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   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28#include <linux/slab.h>
  29#include <linux/seq_file.h>
  30#include <linux/firmware.h>
  31#include <linux/platform_device.h>
  32#include "drmP.h"
  33#include "radeon_drm.h"
  34#include "radeon.h"
  35#include "radeon_asic.h"
 
  36#include "radeon_mode.h"
  37#include "r600d.h"
  38#include "atom.h"
  39#include "avivod.h"
  40
  41#define PFP_UCODE_SIZE 576
  42#define PM4_UCODE_SIZE 1792
  43#define RLC_UCODE_SIZE 768
  44#define R700_PFP_UCODE_SIZE 848
  45#define R700_PM4_UCODE_SIZE 1360
  46#define R700_RLC_UCODE_SIZE 1024
  47#define EVERGREEN_PFP_UCODE_SIZE 1120
  48#define EVERGREEN_PM4_UCODE_SIZE 1376
  49#define EVERGREEN_RLC_UCODE_SIZE 768
  50#define CAYMAN_RLC_UCODE_SIZE 1024
  51
  52/* Firmware Names */
  53MODULE_FIRMWARE("radeon/R600_pfp.bin");
  54MODULE_FIRMWARE("radeon/R600_me.bin");
  55MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  56MODULE_FIRMWARE("radeon/RV610_me.bin");
  57MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  58MODULE_FIRMWARE("radeon/RV630_me.bin");
  59MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  60MODULE_FIRMWARE("radeon/RV620_me.bin");
  61MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  62MODULE_FIRMWARE("radeon/RV635_me.bin");
  63MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  64MODULE_FIRMWARE("radeon/RV670_me.bin");
  65MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  66MODULE_FIRMWARE("radeon/RS780_me.bin");
  67MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  68MODULE_FIRMWARE("radeon/RV770_me.bin");
 
  69MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  70MODULE_FIRMWARE("radeon/RV730_me.bin");
 
 
  71MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  72MODULE_FIRMWARE("radeon/RV710_me.bin");
 
  73MODULE_FIRMWARE("radeon/R600_rlc.bin");
  74MODULE_FIRMWARE("radeon/R700_rlc.bin");
  75MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  76MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  77MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
 
  78MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  79MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  80MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
 
  81MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  82MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  83MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
 
  84MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  85MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  86MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
 
  87MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  88MODULE_FIRMWARE("radeon/PALM_me.bin");
  89MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  90MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  91MODULE_FIRMWARE("radeon/SUMO_me.bin");
  92MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  93MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  94
 
 
 
 
 
 
  95int r600_debugfs_mc_info_init(struct radeon_device *rdev);
  96
  97/* r600,rv610,rv630,rv620,rv635,rv670 */
  98int r600_mc_wait_for_idle(struct radeon_device *rdev);
  99void r600_gpu_init(struct radeon_device *rdev);
 100void r600_fini(struct radeon_device *rdev);
 101void r600_irq_disable(struct radeon_device *rdev);
 102static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 103
 104/* get temperature in millidegrees */
 105int rv6xx_get_temp(struct radeon_device *rdev)
 106{
 107	u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 108		ASIC_T_SHIFT;
 109	int actual_temp = temp & 0xff;
 110
 111	if (temp & 0x100)
 112		actual_temp -= 256;
 113
 114	return actual_temp * 1000;
 115}
 116
 117void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 118{
 119	int i;
 120
 121	rdev->pm.dynpm_can_upclock = true;
 122	rdev->pm.dynpm_can_downclock = true;
 123
 124	/* power state array is low to high, default is first */
 125	if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 126		int min_power_state_index = 0;
 127
 128		if (rdev->pm.num_power_states > 2)
 129			min_power_state_index = 1;
 130
 131		switch (rdev->pm.dynpm_planned_action) {
 132		case DYNPM_ACTION_MINIMUM:
 133			rdev->pm.requested_power_state_index = min_power_state_index;
 134			rdev->pm.requested_clock_mode_index = 0;
 135			rdev->pm.dynpm_can_downclock = false;
 136			break;
 137		case DYNPM_ACTION_DOWNCLOCK:
 138			if (rdev->pm.current_power_state_index == min_power_state_index) {
 139				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 140				rdev->pm.dynpm_can_downclock = false;
 141			} else {
 142				if (rdev->pm.active_crtc_count > 1) {
 143					for (i = 0; i < rdev->pm.num_power_states; i++) {
 144						if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 145							continue;
 146						else if (i >= rdev->pm.current_power_state_index) {
 147							rdev->pm.requested_power_state_index =
 148								rdev->pm.current_power_state_index;
 149							break;
 150						} else {
 151							rdev->pm.requested_power_state_index = i;
 152							break;
 153						}
 154					}
 155				} else {
 156					if (rdev->pm.current_power_state_index == 0)
 157						rdev->pm.requested_power_state_index =
 158							rdev->pm.num_power_states - 1;
 159					else
 160						rdev->pm.requested_power_state_index =
 161							rdev->pm.current_power_state_index - 1;
 162				}
 163			}
 164			rdev->pm.requested_clock_mode_index = 0;
 165			/* don't use the power state if crtcs are active and no display flag is set */
 166			if ((rdev->pm.active_crtc_count > 0) &&
 167			    (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 168			     clock_info[rdev->pm.requested_clock_mode_index].flags &
 169			     RADEON_PM_MODE_NO_DISPLAY)) {
 170				rdev->pm.requested_power_state_index++;
 171			}
 172			break;
 173		case DYNPM_ACTION_UPCLOCK:
 174			if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 175				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 176				rdev->pm.dynpm_can_upclock = false;
 177			} else {
 178				if (rdev->pm.active_crtc_count > 1) {
 179					for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 180						if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 181							continue;
 182						else if (i <= rdev->pm.current_power_state_index) {
 183							rdev->pm.requested_power_state_index =
 184								rdev->pm.current_power_state_index;
 185							break;
 186						} else {
 187							rdev->pm.requested_power_state_index = i;
 188							break;
 189						}
 190					}
 191				} else
 192					rdev->pm.requested_power_state_index =
 193						rdev->pm.current_power_state_index + 1;
 194			}
 195			rdev->pm.requested_clock_mode_index = 0;
 196			break;
 197		case DYNPM_ACTION_DEFAULT:
 198			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 199			rdev->pm.requested_clock_mode_index = 0;
 200			rdev->pm.dynpm_can_upclock = false;
 201			break;
 202		case DYNPM_ACTION_NONE:
 203		default:
 204			DRM_ERROR("Requested mode for not defined action\n");
 205			return;
 206		}
 207	} else {
 208		/* XXX select a power state based on AC/DC, single/dualhead, etc. */
 209		/* for now just select the first power state and switch between clock modes */
 210		/* power state array is low to high, default is first (0) */
 211		if (rdev->pm.active_crtc_count > 1) {
 212			rdev->pm.requested_power_state_index = -1;
 213			/* start at 1 as we don't want the default mode */
 214			for (i = 1; i < rdev->pm.num_power_states; i++) {
 215				if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 216					continue;
 217				else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 218					 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 219					rdev->pm.requested_power_state_index = i;
 220					break;
 221				}
 222			}
 223			/* if nothing selected, grab the default state. */
 224			if (rdev->pm.requested_power_state_index == -1)
 225				rdev->pm.requested_power_state_index = 0;
 226		} else
 227			rdev->pm.requested_power_state_index = 1;
 228
 229		switch (rdev->pm.dynpm_planned_action) {
 230		case DYNPM_ACTION_MINIMUM:
 231			rdev->pm.requested_clock_mode_index = 0;
 232			rdev->pm.dynpm_can_downclock = false;
 233			break;
 234		case DYNPM_ACTION_DOWNCLOCK:
 235			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 236				if (rdev->pm.current_clock_mode_index == 0) {
 237					rdev->pm.requested_clock_mode_index = 0;
 238					rdev->pm.dynpm_can_downclock = false;
 239				} else
 240					rdev->pm.requested_clock_mode_index =
 241						rdev->pm.current_clock_mode_index - 1;
 242			} else {
 243				rdev->pm.requested_clock_mode_index = 0;
 244				rdev->pm.dynpm_can_downclock = false;
 245			}
 246			/* don't use the power state if crtcs are active and no display flag is set */
 247			if ((rdev->pm.active_crtc_count > 0) &&
 248			    (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 249			     clock_info[rdev->pm.requested_clock_mode_index].flags &
 250			     RADEON_PM_MODE_NO_DISPLAY)) {
 251				rdev->pm.requested_clock_mode_index++;
 252			}
 253			break;
 254		case DYNPM_ACTION_UPCLOCK:
 255			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 256				if (rdev->pm.current_clock_mode_index ==
 257				    (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 258					rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 259					rdev->pm.dynpm_can_upclock = false;
 260				} else
 261					rdev->pm.requested_clock_mode_index =
 262						rdev->pm.current_clock_mode_index + 1;
 263			} else {
 264				rdev->pm.requested_clock_mode_index =
 265					rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 266				rdev->pm.dynpm_can_upclock = false;
 267			}
 268			break;
 269		case DYNPM_ACTION_DEFAULT:
 270			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 271			rdev->pm.requested_clock_mode_index = 0;
 272			rdev->pm.dynpm_can_upclock = false;
 273			break;
 274		case DYNPM_ACTION_NONE:
 275		default:
 276			DRM_ERROR("Requested mode for not defined action\n");
 277			return;
 278		}
 279	}
 280
 281	DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 282		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 283		  clock_info[rdev->pm.requested_clock_mode_index].sclk,
 284		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 285		  clock_info[rdev->pm.requested_clock_mode_index].mclk,
 286		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 287		  pcie_lanes);
 288}
 289
 290static int r600_pm_get_type_index(struct radeon_device *rdev,
 291				  enum radeon_pm_state_type ps_type,
 292				  int instance)
 293{
 294	int i;
 295	int found_instance = -1;
 296
 297	for (i = 0; i < rdev->pm.num_power_states; i++) {
 298		if (rdev->pm.power_state[i].type == ps_type) {
 299			found_instance++;
 300			if (found_instance == instance)
 301				return i;
 302		}
 303	}
 304	/* return default if no match */
 305	return rdev->pm.default_power_state_index;
 306}
 307
 308void rs780_pm_init_profile(struct radeon_device *rdev)
 309{
 310	if (rdev->pm.num_power_states == 2) {
 311		/* default */
 312		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 313		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 314		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 315		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 316		/* low sh */
 317		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 318		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 319		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 320		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 321		/* mid sh */
 322		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 323		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 324		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 325		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 326		/* high sh */
 327		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 328		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 329		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 330		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 331		/* low mh */
 332		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 333		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 334		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 335		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 336		/* mid mh */
 337		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 338		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 339		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 340		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 341		/* high mh */
 342		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 343		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 344		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 345		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 346	} else if (rdev->pm.num_power_states == 3) {
 347		/* default */
 348		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 349		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 350		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 351		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 352		/* low sh */
 353		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 354		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 355		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 356		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 357		/* mid sh */
 358		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 359		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 360		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 361		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 362		/* high sh */
 363		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 364		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 365		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 366		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 367		/* low mh */
 368		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 369		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 370		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 371		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 372		/* mid mh */
 373		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 374		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 375		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 376		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 377		/* high mh */
 378		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 379		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 380		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 381		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 382	} else {
 383		/* default */
 384		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 385		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 386		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 387		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 388		/* low sh */
 389		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 390		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 391		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 392		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 393		/* mid sh */
 394		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 395		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 396		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 397		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 398		/* high sh */
 399		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 400		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 401		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 402		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 403		/* low mh */
 404		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 405		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 406		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 407		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 408		/* mid mh */
 409		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 410		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 411		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 412		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 413		/* high mh */
 414		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 415		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 416		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 417		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 418	}
 419}
 420
 421void r600_pm_init_profile(struct radeon_device *rdev)
 422{
 
 
 423	if (rdev->family == CHIP_R600) {
 424		/* XXX */
 425		/* default */
 426		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 427		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 428		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 429		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 430		/* low sh */
 431		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 432		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 433		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 434		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 435		/* mid sh */
 436		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 437		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 438		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 439		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 440		/* high sh */
 441		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 442		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 443		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 444		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 445		/* low mh */
 446		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 447		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 448		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 449		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 450		/* mid mh */
 451		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 452		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 453		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 454		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 455		/* high mh */
 456		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 457		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 458		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 459		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 460	} else {
 461		if (rdev->pm.num_power_states < 4) {
 462			/* default */
 463			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 464			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 465			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 466			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 467			/* low sh */
 468			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 469			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 470			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 471			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 472			/* mid sh */
 473			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 474			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 475			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 476			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 477			/* high sh */
 478			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 479			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 480			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 481			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 482			/* low mh */
 483			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 484			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 485			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 486			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 487			/* low mh */
 488			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 489			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 490			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 491			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 492			/* high mh */
 493			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 494			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 495			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 496			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 497		} else {
 498			/* default */
 499			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 500			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 501			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 502			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 503			/* low sh */
 504			if (rdev->flags & RADEON_IS_MOBILITY) {
 505				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
 506					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 507				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
 508					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 509				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 510				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 511			} else {
 512				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
 513					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 514				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
 515					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 516				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 517				rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 518			}
 519			/* mid sh */
 520			if (rdev->flags & RADEON_IS_MOBILITY) {
 521				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
 522					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 523				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
 524					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 525				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 526				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 527			} else {
 528				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
 529					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 530				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
 531					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 532				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 533				rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 534			}
 535			/* high sh */
 536			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
 537				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 538			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
 539				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 540			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 541			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 542			/* low mh */
 543			if (rdev->flags & RADEON_IS_MOBILITY) {
 544				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
 545					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 546				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
 547					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 548				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 549				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 550			} else {
 551				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
 552					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 553				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
 554					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 555				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 556				rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 557			}
 558			/* mid mh */
 559			if (rdev->flags & RADEON_IS_MOBILITY) {
 560				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
 561					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 562				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
 563					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 564				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 565				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 566			} else {
 567				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
 568					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 569				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
 570					r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 571				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 572				rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 573			}
 574			/* high mh */
 575			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
 576				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 577			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
 578				r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 579			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 580			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 581		}
 582	}
 583}
 584
 585void r600_pm_misc(struct radeon_device *rdev)
 586{
 587	int req_ps_idx = rdev->pm.requested_power_state_index;
 588	int req_cm_idx = rdev->pm.requested_clock_mode_index;
 589	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 590	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 591
 592	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 593		/* 0xff01 is a flag rather then an actual voltage */
 594		if (voltage->voltage == 0xff01)
 595			return;
 596		if (voltage->voltage != rdev->pm.current_vddc) {
 597			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 598			rdev->pm.current_vddc = voltage->voltage;
 599			DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 600		}
 601	}
 602}
 603
 604bool r600_gui_idle(struct radeon_device *rdev)
 605{
 606	if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 607		return false;
 608	else
 609		return true;
 610}
 611
 612/* hpd for digital panel detect/disconnect */
 613bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 614{
 615	bool connected = false;
 616
 617	if (ASIC_IS_DCE3(rdev)) {
 618		switch (hpd) {
 619		case RADEON_HPD_1:
 620			if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 621				connected = true;
 622			break;
 623		case RADEON_HPD_2:
 624			if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 625				connected = true;
 626			break;
 627		case RADEON_HPD_3:
 628			if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 629				connected = true;
 630			break;
 631		case RADEON_HPD_4:
 632			if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 633				connected = true;
 634			break;
 635			/* DCE 3.2 */
 636		case RADEON_HPD_5:
 637			if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 638				connected = true;
 639			break;
 640		case RADEON_HPD_6:
 641			if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 642				connected = true;
 643			break;
 644		default:
 645			break;
 646		}
 647	} else {
 648		switch (hpd) {
 649		case RADEON_HPD_1:
 650			if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 651				connected = true;
 652			break;
 653		case RADEON_HPD_2:
 654			if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 655				connected = true;
 656			break;
 657		case RADEON_HPD_3:
 658			if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 659				connected = true;
 660			break;
 661		default:
 662			break;
 663		}
 664	}
 665	return connected;
 666}
 667
 668void r600_hpd_set_polarity(struct radeon_device *rdev,
 669			   enum radeon_hpd_id hpd)
 670{
 671	u32 tmp;
 672	bool connected = r600_hpd_sense(rdev, hpd);
 673
 674	if (ASIC_IS_DCE3(rdev)) {
 675		switch (hpd) {
 676		case RADEON_HPD_1:
 677			tmp = RREG32(DC_HPD1_INT_CONTROL);
 678			if (connected)
 679				tmp &= ~DC_HPDx_INT_POLARITY;
 680			else
 681				tmp |= DC_HPDx_INT_POLARITY;
 682			WREG32(DC_HPD1_INT_CONTROL, tmp);
 683			break;
 684		case RADEON_HPD_2:
 685			tmp = RREG32(DC_HPD2_INT_CONTROL);
 686			if (connected)
 687				tmp &= ~DC_HPDx_INT_POLARITY;
 688			else
 689				tmp |= DC_HPDx_INT_POLARITY;
 690			WREG32(DC_HPD2_INT_CONTROL, tmp);
 691			break;
 692		case RADEON_HPD_3:
 693			tmp = RREG32(DC_HPD3_INT_CONTROL);
 694			if (connected)
 695				tmp &= ~DC_HPDx_INT_POLARITY;
 696			else
 697				tmp |= DC_HPDx_INT_POLARITY;
 698			WREG32(DC_HPD3_INT_CONTROL, tmp);
 699			break;
 700		case RADEON_HPD_4:
 701			tmp = RREG32(DC_HPD4_INT_CONTROL);
 702			if (connected)
 703				tmp &= ~DC_HPDx_INT_POLARITY;
 704			else
 705				tmp |= DC_HPDx_INT_POLARITY;
 706			WREG32(DC_HPD4_INT_CONTROL, tmp);
 707			break;
 708		case RADEON_HPD_5:
 709			tmp = RREG32(DC_HPD5_INT_CONTROL);
 710			if (connected)
 711				tmp &= ~DC_HPDx_INT_POLARITY;
 712			else
 713				tmp |= DC_HPDx_INT_POLARITY;
 714			WREG32(DC_HPD5_INT_CONTROL, tmp);
 715			break;
 716			/* DCE 3.2 */
 717		case RADEON_HPD_6:
 718			tmp = RREG32(DC_HPD6_INT_CONTROL);
 719			if (connected)
 720				tmp &= ~DC_HPDx_INT_POLARITY;
 721			else
 722				tmp |= DC_HPDx_INT_POLARITY;
 723			WREG32(DC_HPD6_INT_CONTROL, tmp);
 724			break;
 725		default:
 726			break;
 727		}
 728	} else {
 729		switch (hpd) {
 730		case RADEON_HPD_1:
 731			tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 732			if (connected)
 733				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 734			else
 735				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 736			WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 737			break;
 738		case RADEON_HPD_2:
 739			tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 740			if (connected)
 741				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 742			else
 743				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 744			WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 745			break;
 746		case RADEON_HPD_3:
 747			tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 748			if (connected)
 749				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 750			else
 751				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 752			WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 753			break;
 754		default:
 755			break;
 756		}
 757	}
 758}
 759
 760void r600_hpd_init(struct radeon_device *rdev)
 761{
 762	struct drm_device *dev = rdev->ddev;
 763	struct drm_connector *connector;
 
 764
 765	if (ASIC_IS_DCE3(rdev)) {
 766		u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 767		if (ASIC_IS_DCE32(rdev))
 768			tmp |= DC_HPDx_EN;
 
 
 
 
 
 
 
 
 
 
 
 769
 770		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 771			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 772			switch (radeon_connector->hpd.hpd) {
 773			case RADEON_HPD_1:
 774				WREG32(DC_HPD1_CONTROL, tmp);
 775				rdev->irq.hpd[0] = true;
 776				break;
 777			case RADEON_HPD_2:
 778				WREG32(DC_HPD2_CONTROL, tmp);
 779				rdev->irq.hpd[1] = true;
 780				break;
 781			case RADEON_HPD_3:
 782				WREG32(DC_HPD3_CONTROL, tmp);
 783				rdev->irq.hpd[2] = true;
 784				break;
 785			case RADEON_HPD_4:
 786				WREG32(DC_HPD4_CONTROL, tmp);
 787				rdev->irq.hpd[3] = true;
 788				break;
 789				/* DCE 3.2 */
 790			case RADEON_HPD_5:
 791				WREG32(DC_HPD5_CONTROL, tmp);
 792				rdev->irq.hpd[4] = true;
 793				break;
 794			case RADEON_HPD_6:
 795				WREG32(DC_HPD6_CONTROL, tmp);
 796				rdev->irq.hpd[5] = true;
 797				break;
 798			default:
 799				break;
 800			}
 801		}
 802	} else {
 803		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 804			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 805			switch (radeon_connector->hpd.hpd) {
 806			case RADEON_HPD_1:
 807				WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 808				rdev->irq.hpd[0] = true;
 809				break;
 810			case RADEON_HPD_2:
 811				WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 812				rdev->irq.hpd[1] = true;
 813				break;
 814			case RADEON_HPD_3:
 815				WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 816				rdev->irq.hpd[2] = true;
 817				break;
 818			default:
 819				break;
 820			}
 821		}
 
 
 822	}
 823	if (rdev->irq.installed)
 824		r600_irq_set(rdev);
 825}
 826
 827void r600_hpd_fini(struct radeon_device *rdev)
 828{
 829	struct drm_device *dev = rdev->ddev;
 830	struct drm_connector *connector;
 
 831
 832	if (ASIC_IS_DCE3(rdev)) {
 833		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 834			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 835			switch (radeon_connector->hpd.hpd) {
 836			case RADEON_HPD_1:
 837				WREG32(DC_HPD1_CONTROL, 0);
 838				rdev->irq.hpd[0] = false;
 839				break;
 840			case RADEON_HPD_2:
 841				WREG32(DC_HPD2_CONTROL, 0);
 842				rdev->irq.hpd[1] = false;
 843				break;
 844			case RADEON_HPD_3:
 845				WREG32(DC_HPD3_CONTROL, 0);
 846				rdev->irq.hpd[2] = false;
 847				break;
 848			case RADEON_HPD_4:
 849				WREG32(DC_HPD4_CONTROL, 0);
 850				rdev->irq.hpd[3] = false;
 851				break;
 852				/* DCE 3.2 */
 853			case RADEON_HPD_5:
 854				WREG32(DC_HPD5_CONTROL, 0);
 855				rdev->irq.hpd[4] = false;
 856				break;
 857			case RADEON_HPD_6:
 858				WREG32(DC_HPD6_CONTROL, 0);
 859				rdev->irq.hpd[5] = false;
 860				break;
 861			default:
 862				break;
 863			}
 864		}
 865	} else {
 866		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 867			struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 868			switch (radeon_connector->hpd.hpd) {
 869			case RADEON_HPD_1:
 870				WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
 871				rdev->irq.hpd[0] = false;
 872				break;
 873			case RADEON_HPD_2:
 874				WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
 875				rdev->irq.hpd[1] = false;
 876				break;
 877			case RADEON_HPD_3:
 878				WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
 879				rdev->irq.hpd[2] = false;
 880				break;
 881			default:
 882				break;
 883			}
 884		}
 
 885	}
 
 886}
 887
 888/*
 889 * R600 PCIE GART
 890 */
 891void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
 892{
 893	unsigned i;
 894	u32 tmp;
 895
 896	/* flush hdp cache so updates hit vram */
 897	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
 898	    !(rdev->flags & RADEON_IS_AGP)) {
 899		void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
 900		u32 tmp;
 901
 902		/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
 903		 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
 904		 * This seems to cause problems on some AGP cards. Just use the old
 905		 * method for them.
 906		 */
 907		WREG32(HDP_DEBUG1, 0);
 908		tmp = readl((void __iomem *)ptr);
 909	} else
 910		WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
 911
 912	WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
 913	WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
 914	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 915	for (i = 0; i < rdev->usec_timeout; i++) {
 916		/* read MC_STATUS */
 917		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 918		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 919		if (tmp == 2) {
 920			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 921			return;
 922		}
 923		if (tmp) {
 924			return;
 925		}
 926		udelay(1);
 927	}
 928}
 929
 930int r600_pcie_gart_init(struct radeon_device *rdev)
 931{
 932	int r;
 933
 934	if (rdev->gart.table.vram.robj) {
 935		WARN(1, "R600 PCIE GART already initialized\n");
 936		return 0;
 937	}
 938	/* Initialize common gart structure */
 939	r = radeon_gart_init(rdev);
 940	if (r)
 941		return r;
 942	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 943	return radeon_gart_table_vram_alloc(rdev);
 944}
 945
 946int r600_pcie_gart_enable(struct radeon_device *rdev)
 947{
 948	u32 tmp;
 949	int r, i;
 950
 951	if (rdev->gart.table.vram.robj == NULL) {
 952		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 953		return -EINVAL;
 954	}
 955	r = radeon_gart_table_vram_pin(rdev);
 956	if (r)
 957		return r;
 958	radeon_gart_restore(rdev);
 959
 960	/* Setup L2 cache */
 961	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 962				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 963				EFFECTIVE_L2_QUEUE_SIZE(7));
 964	WREG32(VM_L2_CNTL2, 0);
 965	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
 966	/* Setup TLB control */
 967	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 968		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 969		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
 970		ENABLE_WAIT_L2_QUERY;
 971	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
 972	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
 973	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
 974	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
 975	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
 976	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
 977	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
 978	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
 979	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
 980	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
 981	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
 982	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
 
 
 983	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 984	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 985	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 986	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 987	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 988	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 989				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 990	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 991			(u32)(rdev->dummy_page.addr >> 12));
 992	for (i = 1; i < 7; i++)
 993		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 994
 995	r600_pcie_gart_tlb_flush(rdev);
 
 
 
 996	rdev->gart.ready = true;
 997	return 0;
 998}
 999
1000void r600_pcie_gart_disable(struct radeon_device *rdev)
1001{
1002	u32 tmp;
1003	int i, r;
1004
1005	/* Disable all tables */
1006	for (i = 0; i < 7; i++)
1007		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1008
1009	/* Disable L2 cache */
1010	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1011				EFFECTIVE_L2_QUEUE_SIZE(7));
1012	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1013	/* Setup L1 TLB control */
1014	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1015		ENABLE_WAIT_L2_QUERY;
1016	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1017	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1018	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1019	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1020	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1021	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1022	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1023	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1024	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1025	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1026	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1027	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1028	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1029	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1030	if (rdev->gart.table.vram.robj) {
1031		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
1032		if (likely(r == 0)) {
1033			radeon_bo_kunmap(rdev->gart.table.vram.robj);
1034			radeon_bo_unpin(rdev->gart.table.vram.robj);
1035			radeon_bo_unreserve(rdev->gart.table.vram.robj);
1036		}
1037	}
1038}
1039
1040void r600_pcie_gart_fini(struct radeon_device *rdev)
1041{
1042	radeon_gart_fini(rdev);
1043	r600_pcie_gart_disable(rdev);
1044	radeon_gart_table_vram_free(rdev);
1045}
1046
1047void r600_agp_enable(struct radeon_device *rdev)
1048{
1049	u32 tmp;
1050	int i;
1051
1052	/* Setup L2 cache */
1053	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1054				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1055				EFFECTIVE_L2_QUEUE_SIZE(7));
1056	WREG32(VM_L2_CNTL2, 0);
1057	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1058	/* Setup TLB control */
1059	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1060		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1061		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1062		ENABLE_WAIT_L2_QUERY;
1063	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1064	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1065	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1066	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1067	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1068	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1069	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1070	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1071	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1072	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1073	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1074	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1075	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1076	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1077	for (i = 0; i < 7; i++)
1078		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1079}
1080
1081int r600_mc_wait_for_idle(struct radeon_device *rdev)
1082{
1083	unsigned i;
1084	u32 tmp;
1085
1086	for (i = 0; i < rdev->usec_timeout; i++) {
1087		/* read MC_STATUS */
1088		tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1089		if (!tmp)
1090			return 0;
1091		udelay(1);
1092	}
1093	return -1;
1094}
1095
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1096static void r600_mc_program(struct radeon_device *rdev)
1097{
1098	struct rv515_mc_save save;
1099	u32 tmp;
1100	int i, j;
1101
1102	/* Initialize HDP */
1103	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1104		WREG32((0x2c14 + j), 0x00000000);
1105		WREG32((0x2c18 + j), 0x00000000);
1106		WREG32((0x2c1c + j), 0x00000000);
1107		WREG32((0x2c20 + j), 0x00000000);
1108		WREG32((0x2c24 + j), 0x00000000);
1109	}
1110	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1111
1112	rv515_mc_stop(rdev, &save);
1113	if (r600_mc_wait_for_idle(rdev)) {
1114		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1115	}
1116	/* Lockout access through VGA aperture (doesn't exist before R600) */
1117	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1118	/* Update configuration */
1119	if (rdev->flags & RADEON_IS_AGP) {
1120		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1121			/* VRAM before AGP */
1122			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1123				rdev->mc.vram_start >> 12);
1124			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1125				rdev->mc.gtt_end >> 12);
1126		} else {
1127			/* VRAM after AGP */
1128			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1129				rdev->mc.gtt_start >> 12);
1130			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1131				rdev->mc.vram_end >> 12);
1132		}
1133	} else {
1134		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1135		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1136	}
1137	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
1138	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1139	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1140	WREG32(MC_VM_FB_LOCATION, tmp);
1141	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1142	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1143	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1144	if (rdev->flags & RADEON_IS_AGP) {
1145		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1146		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1147		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1148	} else {
1149		WREG32(MC_VM_AGP_BASE, 0);
1150		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1151		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1152	}
1153	if (r600_mc_wait_for_idle(rdev)) {
1154		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1155	}
1156	rv515_mc_resume(rdev, &save);
1157	/* we need to own VRAM, so turn off the VGA renderer here
1158	 * to stop it overwriting our objects */
1159	rv515_vga_render_disable(rdev);
1160}
1161
1162/**
1163 * r600_vram_gtt_location - try to find VRAM & GTT location
1164 * @rdev: radeon device structure holding all necessary informations
1165 * @mc: memory controller structure holding memory informations
1166 *
1167 * Function will place try to place VRAM at same place as in CPU (PCI)
1168 * address space as some GPU seems to have issue when we reprogram at
1169 * different address space.
1170 *
1171 * If there is not enough space to fit the unvisible VRAM after the
1172 * aperture then we limit the VRAM size to the aperture.
1173 *
1174 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1175 * them to be in one from GPU point of view so that we can program GPU to
1176 * catch access outside them (weird GPU policy see ??).
1177 *
1178 * This function will never fails, worst case are limiting VRAM or GTT.
1179 *
1180 * Note: GTT start, end, size should be initialized before calling this
1181 * function on AGP platform.
1182 */
1183static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1184{
1185	u64 size_bf, size_af;
1186
1187	if (mc->mc_vram_size > 0xE0000000) {
1188		/* leave room for at least 512M GTT */
1189		dev_warn(rdev->dev, "limiting VRAM\n");
1190		mc->real_vram_size = 0xE0000000;
1191		mc->mc_vram_size = 0xE0000000;
1192	}
1193	if (rdev->flags & RADEON_IS_AGP) {
1194		size_bf = mc->gtt_start;
1195		size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1196		if (size_bf > size_af) {
1197			if (mc->mc_vram_size > size_bf) {
1198				dev_warn(rdev->dev, "limiting VRAM\n");
1199				mc->real_vram_size = size_bf;
1200				mc->mc_vram_size = size_bf;
1201			}
1202			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1203		} else {
1204			if (mc->mc_vram_size > size_af) {
1205				dev_warn(rdev->dev, "limiting VRAM\n");
1206				mc->real_vram_size = size_af;
1207				mc->mc_vram_size = size_af;
1208			}
1209			mc->vram_start = mc->gtt_end;
1210		}
1211		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1212		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1213				mc->mc_vram_size >> 20, mc->vram_start,
1214				mc->vram_end, mc->real_vram_size >> 20);
1215	} else {
1216		u64 base = 0;
1217		if (rdev->flags & RADEON_IS_IGP) {
1218			base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1219			base <<= 24;
1220		}
1221		radeon_vram_location(rdev, &rdev->mc, base);
1222		rdev->mc.gtt_base_align = 0;
1223		radeon_gtt_location(rdev, mc);
1224	}
1225}
1226
1227int r600_mc_init(struct radeon_device *rdev)
1228{
1229	u32 tmp;
1230	int chansize, numchan;
 
 
1231
1232	/* Get VRAM informations */
1233	rdev->mc.vram_is_ddr = true;
1234	tmp = RREG32(RAMCFG);
1235	if (tmp & CHANSIZE_OVERRIDE) {
1236		chansize = 16;
1237	} else if (tmp & CHANSIZE_MASK) {
1238		chansize = 64;
1239	} else {
1240		chansize = 32;
1241	}
1242	tmp = RREG32(CHMAP);
1243	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1244	case 0:
1245	default:
1246		numchan = 1;
1247		break;
1248	case 1:
1249		numchan = 2;
1250		break;
1251	case 2:
1252		numchan = 4;
1253		break;
1254	case 3:
1255		numchan = 8;
1256		break;
1257	}
1258	rdev->mc.vram_width = numchan * chansize;
1259	/* Could aper size report 0 ? */
1260	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1261	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1262	/* Setup GPU memory space */
1263	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1264	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1265	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1266	r600_vram_gtt_location(rdev, &rdev->mc);
1267
1268	if (rdev->flags & RADEON_IS_IGP) {
1269		rs690_pm_info(rdev);
1270		rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1271	}
 
1272	radeon_update_bandwidth_info(rdev);
1273	return 0;
1274}
1275
1276/* We doesn't check that the GPU really needs a reset we simply do the
1277 * reset, it's up to the caller to determine if the GPU needs one. We
1278 * might add an helper function to check that.
1279 */
1280int r600_gpu_soft_reset(struct radeon_device *rdev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1281{
1282	struct rv515_mc_save save;
1283	u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
1284				S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
1285				S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
1286				S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) |
1287				S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) |
1288				S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) |
1289				S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) |
1290				S_008010_GUI_ACTIVE(1);
1291	u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) |
1292			S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) |
1293			S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) |
1294			S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) |
1295			S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) |
1296			S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
1297			S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
1298			S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
1299	u32 tmp;
1300
1301	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1302		return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1303
1304	dev_info(rdev->dev, "GPU softreset \n");
1305	dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
1306		RREG32(R_008010_GRBM_STATUS));
1307	dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
1308		RREG32(R_008014_GRBM_STATUS2));
1309	dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
1310		RREG32(R_000E50_SRBM_STATUS));
1311	rv515_mc_stop(rdev, &save);
1312	if (r600_mc_wait_for_idle(rdev)) {
1313		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1314	}
1315	/* Disable CP parsing/prefetching */
1316	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1317	/* Check if any of the rendering block is busy and reset it */
1318	if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
1319	    (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
1320		tmp = S_008020_SOFT_RESET_CR(1) |
1321			S_008020_SOFT_RESET_DB(1) |
1322			S_008020_SOFT_RESET_CB(1) |
1323			S_008020_SOFT_RESET_PA(1) |
1324			S_008020_SOFT_RESET_SC(1) |
1325			S_008020_SOFT_RESET_SMX(1) |
1326			S_008020_SOFT_RESET_SPI(1) |
1327			S_008020_SOFT_RESET_SX(1) |
1328			S_008020_SOFT_RESET_SH(1) |
1329			S_008020_SOFT_RESET_TC(1) |
1330			S_008020_SOFT_RESET_TA(1) |
1331			S_008020_SOFT_RESET_VC(1) |
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1332			S_008020_SOFT_RESET_VGT(1);
1333		dev_info(rdev->dev, "  R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1334		WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1335		RREG32(R_008020_GRBM_SOFT_RESET);
1336		mdelay(15);
1337		WREG32(R_008020_GRBM_SOFT_RESET, 0);
 
 
 
 
1338	}
1339	/* Reset CP (we always reset CP) */
1340	tmp = S_008020_SOFT_RESET_CP(1);
1341	dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1342	WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1343	RREG32(R_008020_GRBM_SOFT_RESET);
1344	mdelay(15);
1345	WREG32(R_008020_GRBM_SOFT_RESET, 0);
 
 
 
 
 
 
 
 
1346	/* Wait a little for things to settle down */
1347	mdelay(1);
1348	dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
1349		RREG32(R_008010_GRBM_STATUS));
1350	dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
1351		RREG32(R_008014_GRBM_STATUS2));
1352	dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
1353		RREG32(R_000E50_SRBM_STATUS));
1354	rv515_mc_resume(rdev, &save);
1355	return 0;
 
 
1356}
1357
1358bool r600_gpu_is_lockup(struct radeon_device *rdev)
1359{
1360	u32 srbm_status;
1361	u32 grbm_status;
1362	u32 grbm_status2;
1363	struct r100_gpu_lockup *lockup;
1364	int r;
1365
 
 
 
1366	if (rdev->family >= CHIP_RV770)
1367		lockup = &rdev->config.rv770.lockup;
1368	else
1369		lockup = &rdev->config.r600.lockup;
1370
1371	srbm_status = RREG32(R_000E50_SRBM_STATUS);
1372	grbm_status = RREG32(R_008010_GRBM_STATUS);
1373	grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
1374	if (!G_008010_GUI_ACTIVE(grbm_status)) {
1375		r100_gpu_lockup_update(lockup, &rdev->cp);
1376		return false;
 
 
 
 
 
 
 
 
 
 
 
 
 
1377	}
1378	/* force CP activities */
1379	r = radeon_ring_lock(rdev, 2);
1380	if (!r) {
1381		/* PACKET2 NOP */
1382		radeon_ring_write(rdev, 0x80000000);
1383		radeon_ring_write(rdev, 0x80000000);
1384		radeon_ring_unlock_commit(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1385	}
1386	rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
1387	return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1388}
1389
1390int r600_asic_reset(struct radeon_device *rdev)
1391{
1392	return r600_gpu_soft_reset(rdev);
1393}
1394
1395static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
1396					     u32 num_backends,
1397					     u32 backend_disable_mask)
1398{
1399	u32 backend_map = 0;
1400	u32 enabled_backends_mask;
1401	u32 enabled_backends_count;
1402	u32 cur_pipe;
1403	u32 swizzle_pipe[R6XX_MAX_PIPES];
1404	u32 cur_backend;
1405	u32 i;
1406
1407	if (num_tile_pipes > R6XX_MAX_PIPES)
1408		num_tile_pipes = R6XX_MAX_PIPES;
1409	if (num_tile_pipes < 1)
1410		num_tile_pipes = 1;
1411	if (num_backends > R6XX_MAX_BACKENDS)
1412		num_backends = R6XX_MAX_BACKENDS;
1413	if (num_backends < 1)
1414		num_backends = 1;
1415
1416	enabled_backends_mask = 0;
1417	enabled_backends_count = 0;
1418	for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
1419		if (((backend_disable_mask >> i) & 1) == 0) {
1420			enabled_backends_mask |= (1 << i);
1421			++enabled_backends_count;
1422		}
1423		if (enabled_backends_count == num_backends)
1424			break;
1425	}
1426
1427	if (enabled_backends_count == 0) {
1428		enabled_backends_mask = 1;
1429		enabled_backends_count = 1;
1430	}
1431
1432	if (enabled_backends_count != num_backends)
1433		num_backends = enabled_backends_count;
 
1434
1435	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
1436	switch (num_tile_pipes) {
1437	case 1:
1438		swizzle_pipe[0] = 0;
1439		break;
1440	case 2:
1441		swizzle_pipe[0] = 0;
1442		swizzle_pipe[1] = 1;
1443		break;
1444	case 3:
1445		swizzle_pipe[0] = 0;
1446		swizzle_pipe[1] = 1;
1447		swizzle_pipe[2] = 2;
1448		break;
1449	case 4:
1450		swizzle_pipe[0] = 0;
1451		swizzle_pipe[1] = 1;
1452		swizzle_pipe[2] = 2;
1453		swizzle_pipe[3] = 3;
1454		break;
1455	case 5:
1456		swizzle_pipe[0] = 0;
1457		swizzle_pipe[1] = 1;
1458		swizzle_pipe[2] = 2;
1459		swizzle_pipe[3] = 3;
1460		swizzle_pipe[4] = 4;
1461		break;
1462	case 6:
1463		swizzle_pipe[0] = 0;
1464		swizzle_pipe[1] = 2;
1465		swizzle_pipe[2] = 4;
1466		swizzle_pipe[3] = 5;
1467		swizzle_pipe[4] = 1;
1468		swizzle_pipe[5] = 3;
1469		break;
1470	case 7:
1471		swizzle_pipe[0] = 0;
1472		swizzle_pipe[1] = 2;
1473		swizzle_pipe[2] = 4;
1474		swizzle_pipe[3] = 6;
1475		swizzle_pipe[4] = 1;
1476		swizzle_pipe[5] = 3;
1477		swizzle_pipe[6] = 5;
1478		break;
1479	case 8:
1480		swizzle_pipe[0] = 0;
1481		swizzle_pipe[1] = 2;
1482		swizzle_pipe[2] = 4;
1483		swizzle_pipe[3] = 6;
1484		swizzle_pipe[4] = 1;
1485		swizzle_pipe[5] = 3;
1486		swizzle_pipe[6] = 5;
1487		swizzle_pipe[7] = 7;
1488		break;
1489	}
1490
1491	cur_backend = 0;
1492	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1493		while (((1 << cur_backend) & enabled_backends_mask) == 0)
1494			cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1495
1496		backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
 
1497
1498		cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1499	}
1500
1501	return backend_map;
1502}
1503
1504int r600_count_pipe_bits(uint32_t val)
1505{
1506	int i, ret = 0;
1507
1508	for (i = 0; i < 32; i++) {
1509		ret += val & 1;
1510		val >>= 1;
1511	}
1512	return ret;
1513}
1514
1515void r600_gpu_init(struct radeon_device *rdev)
1516{
1517	u32 tiling_config;
1518	u32 ramcfg;
1519	u32 backend_map;
1520	u32 cc_rb_backend_disable;
1521	u32 cc_gc_shader_pipe_config;
1522	u32 tmp;
1523	int i, j;
1524	u32 sq_config;
1525	u32 sq_gpr_resource_mgmt_1 = 0;
1526	u32 sq_gpr_resource_mgmt_2 = 0;
1527	u32 sq_thread_resource_mgmt = 0;
1528	u32 sq_stack_resource_mgmt_1 = 0;
1529	u32 sq_stack_resource_mgmt_2 = 0;
 
1530
1531	/* FIXME: implement */
1532	switch (rdev->family) {
1533	case CHIP_R600:
1534		rdev->config.r600.max_pipes = 4;
1535		rdev->config.r600.max_tile_pipes = 8;
1536		rdev->config.r600.max_simds = 4;
1537		rdev->config.r600.max_backends = 4;
1538		rdev->config.r600.max_gprs = 256;
1539		rdev->config.r600.max_threads = 192;
1540		rdev->config.r600.max_stack_entries = 256;
1541		rdev->config.r600.max_hw_contexts = 8;
1542		rdev->config.r600.max_gs_threads = 16;
1543		rdev->config.r600.sx_max_export_size = 128;
1544		rdev->config.r600.sx_max_export_pos_size = 16;
1545		rdev->config.r600.sx_max_export_smx_size = 128;
1546		rdev->config.r600.sq_num_cf_insts = 2;
1547		break;
1548	case CHIP_RV630:
1549	case CHIP_RV635:
1550		rdev->config.r600.max_pipes = 2;
1551		rdev->config.r600.max_tile_pipes = 2;
1552		rdev->config.r600.max_simds = 3;
1553		rdev->config.r600.max_backends = 1;
1554		rdev->config.r600.max_gprs = 128;
1555		rdev->config.r600.max_threads = 192;
1556		rdev->config.r600.max_stack_entries = 128;
1557		rdev->config.r600.max_hw_contexts = 8;
1558		rdev->config.r600.max_gs_threads = 4;
1559		rdev->config.r600.sx_max_export_size = 128;
1560		rdev->config.r600.sx_max_export_pos_size = 16;
1561		rdev->config.r600.sx_max_export_smx_size = 128;
1562		rdev->config.r600.sq_num_cf_insts = 2;
1563		break;
1564	case CHIP_RV610:
1565	case CHIP_RV620:
1566	case CHIP_RS780:
1567	case CHIP_RS880:
1568		rdev->config.r600.max_pipes = 1;
1569		rdev->config.r600.max_tile_pipes = 1;
1570		rdev->config.r600.max_simds = 2;
1571		rdev->config.r600.max_backends = 1;
1572		rdev->config.r600.max_gprs = 128;
1573		rdev->config.r600.max_threads = 192;
1574		rdev->config.r600.max_stack_entries = 128;
1575		rdev->config.r600.max_hw_contexts = 4;
1576		rdev->config.r600.max_gs_threads = 4;
1577		rdev->config.r600.sx_max_export_size = 128;
1578		rdev->config.r600.sx_max_export_pos_size = 16;
1579		rdev->config.r600.sx_max_export_smx_size = 128;
1580		rdev->config.r600.sq_num_cf_insts = 1;
1581		break;
1582	case CHIP_RV670:
1583		rdev->config.r600.max_pipes = 4;
1584		rdev->config.r600.max_tile_pipes = 4;
1585		rdev->config.r600.max_simds = 4;
1586		rdev->config.r600.max_backends = 4;
1587		rdev->config.r600.max_gprs = 192;
1588		rdev->config.r600.max_threads = 192;
1589		rdev->config.r600.max_stack_entries = 256;
1590		rdev->config.r600.max_hw_contexts = 8;
1591		rdev->config.r600.max_gs_threads = 16;
1592		rdev->config.r600.sx_max_export_size = 128;
1593		rdev->config.r600.sx_max_export_pos_size = 16;
1594		rdev->config.r600.sx_max_export_smx_size = 128;
1595		rdev->config.r600.sq_num_cf_insts = 2;
1596		break;
1597	default:
1598		break;
1599	}
1600
1601	/* Initialize HDP */
1602	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1603		WREG32((0x2c14 + j), 0x00000000);
1604		WREG32((0x2c18 + j), 0x00000000);
1605		WREG32((0x2c1c + j), 0x00000000);
1606		WREG32((0x2c20 + j), 0x00000000);
1607		WREG32((0x2c24 + j), 0x00000000);
1608	}
1609
1610	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1611
1612	/* Setup tiling */
1613	tiling_config = 0;
1614	ramcfg = RREG32(RAMCFG);
1615	switch (rdev->config.r600.max_tile_pipes) {
1616	case 1:
1617		tiling_config |= PIPE_TILING(0);
1618		break;
1619	case 2:
1620		tiling_config |= PIPE_TILING(1);
1621		break;
1622	case 4:
1623		tiling_config |= PIPE_TILING(2);
1624		break;
1625	case 8:
1626		tiling_config |= PIPE_TILING(3);
1627		break;
1628	default:
1629		break;
1630	}
1631	rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1632	rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1633	tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1634	tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1635	if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
1636		rdev->config.r600.tiling_group_size = 512;
1637	else
1638		rdev->config.r600.tiling_group_size = 256;
1639	tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1640	if (tmp > 3) {
1641		tiling_config |= ROW_TILING(3);
1642		tiling_config |= SAMPLE_SPLIT(3);
1643	} else {
1644		tiling_config |= ROW_TILING(tmp);
1645		tiling_config |= SAMPLE_SPLIT(tmp);
1646	}
1647	tiling_config |= BANK_SWAPS(1);
1648
1649	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1650	cc_rb_backend_disable |=
1651		BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
1652
1653	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1654	cc_gc_shader_pipe_config |=
1655		INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
1656	cc_gc_shader_pipe_config |=
1657		INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
1658
1659	backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
1660							(R6XX_MAX_BACKENDS -
1661							 r600_count_pipe_bits((cc_rb_backend_disable &
1662									       R6XX_MAX_BACKENDS_MASK) >> 16)),
1663							(cc_rb_backend_disable >> 16));
 
 
 
 
 
1664	rdev->config.r600.tile_config = tiling_config;
1665	rdev->config.r600.backend_map = backend_map;
1666	tiling_config |= BACKEND_MAP(backend_map);
1667	WREG32(GB_TILING_CONFIG, tiling_config);
1668	WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1669	WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1670
1671	/* Setup pipes */
1672	WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1673	WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1674	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1675
1676	tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1677	WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1678	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1679
1680	/* Setup some CP states */
1681	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1682	WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1683
1684	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1685			     SYNC_WALKER | SYNC_ALIGNER));
1686	/* Setup various GPU states */
1687	if (rdev->family == CHIP_RV670)
1688		WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1689
1690	tmp = RREG32(SX_DEBUG_1);
1691	tmp |= SMX_EVENT_RELEASE;
1692	if ((rdev->family > CHIP_R600))
1693		tmp |= ENABLE_NEW_SMX_ADDRESS;
1694	WREG32(SX_DEBUG_1, tmp);
1695
1696	if (((rdev->family) == CHIP_R600) ||
1697	    ((rdev->family) == CHIP_RV630) ||
1698	    ((rdev->family) == CHIP_RV610) ||
1699	    ((rdev->family) == CHIP_RV620) ||
1700	    ((rdev->family) == CHIP_RS780) ||
1701	    ((rdev->family) == CHIP_RS880)) {
1702		WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1703	} else {
1704		WREG32(DB_DEBUG, 0);
1705	}
1706	WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1707			       DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1708
1709	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1710	WREG32(VGT_NUM_INSTANCES, 0);
1711
1712	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1713	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1714
1715	tmp = RREG32(SQ_MS_FIFO_SIZES);
1716	if (((rdev->family) == CHIP_RV610) ||
1717	    ((rdev->family) == CHIP_RV620) ||
1718	    ((rdev->family) == CHIP_RS780) ||
1719	    ((rdev->family) == CHIP_RS880)) {
1720		tmp = (CACHE_FIFO_SIZE(0xa) |
1721		       FETCH_FIFO_HIWATER(0xa) |
1722		       DONE_FIFO_HIWATER(0xe0) |
1723		       ALU_UPDATE_FIFO_HIWATER(0x8));
1724	} else if (((rdev->family) == CHIP_R600) ||
1725		   ((rdev->family) == CHIP_RV630)) {
1726		tmp &= ~DONE_FIFO_HIWATER(0xff);
1727		tmp |= DONE_FIFO_HIWATER(0x4);
1728	}
1729	WREG32(SQ_MS_FIFO_SIZES, tmp);
1730
1731	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1732	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1733	 */
1734	sq_config = RREG32(SQ_CONFIG);
1735	sq_config &= ~(PS_PRIO(3) |
1736		       VS_PRIO(3) |
1737		       GS_PRIO(3) |
1738		       ES_PRIO(3));
1739	sq_config |= (DX9_CONSTS |
1740		      VC_ENABLE |
1741		      PS_PRIO(0) |
1742		      VS_PRIO(1) |
1743		      GS_PRIO(2) |
1744		      ES_PRIO(3));
1745
1746	if ((rdev->family) == CHIP_R600) {
1747		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1748					  NUM_VS_GPRS(124) |
1749					  NUM_CLAUSE_TEMP_GPRS(4));
1750		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1751					  NUM_ES_GPRS(0));
1752		sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1753					   NUM_VS_THREADS(48) |
1754					   NUM_GS_THREADS(4) |
1755					   NUM_ES_THREADS(4));
1756		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1757					    NUM_VS_STACK_ENTRIES(128));
1758		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1759					    NUM_ES_STACK_ENTRIES(0));
1760	} else if (((rdev->family) == CHIP_RV610) ||
1761		   ((rdev->family) == CHIP_RV620) ||
1762		   ((rdev->family) == CHIP_RS780) ||
1763		   ((rdev->family) == CHIP_RS880)) {
1764		/* no vertex cache */
1765		sq_config &= ~VC_ENABLE;
1766
1767		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1768					  NUM_VS_GPRS(44) |
1769					  NUM_CLAUSE_TEMP_GPRS(2));
1770		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1771					  NUM_ES_GPRS(17));
1772		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1773					   NUM_VS_THREADS(78) |
1774					   NUM_GS_THREADS(4) |
1775					   NUM_ES_THREADS(31));
1776		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1777					    NUM_VS_STACK_ENTRIES(40));
1778		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1779					    NUM_ES_STACK_ENTRIES(16));
1780	} else if (((rdev->family) == CHIP_RV630) ||
1781		   ((rdev->family) == CHIP_RV635)) {
1782		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1783					  NUM_VS_GPRS(44) |
1784					  NUM_CLAUSE_TEMP_GPRS(2));
1785		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1786					  NUM_ES_GPRS(18));
1787		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1788					   NUM_VS_THREADS(78) |
1789					   NUM_GS_THREADS(4) |
1790					   NUM_ES_THREADS(31));
1791		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1792					    NUM_VS_STACK_ENTRIES(40));
1793		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1794					    NUM_ES_STACK_ENTRIES(16));
1795	} else if ((rdev->family) == CHIP_RV670) {
1796		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1797					  NUM_VS_GPRS(44) |
1798					  NUM_CLAUSE_TEMP_GPRS(2));
1799		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1800					  NUM_ES_GPRS(17));
1801		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1802					   NUM_VS_THREADS(78) |
1803					   NUM_GS_THREADS(4) |
1804					   NUM_ES_THREADS(31));
1805		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1806					    NUM_VS_STACK_ENTRIES(64));
1807		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1808					    NUM_ES_STACK_ENTRIES(64));
1809	}
1810
1811	WREG32(SQ_CONFIG, sq_config);
1812	WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
1813	WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
1814	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1815	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1816	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1817
1818	if (((rdev->family) == CHIP_RV610) ||
1819	    ((rdev->family) == CHIP_RV620) ||
1820	    ((rdev->family) == CHIP_RS780) ||
1821	    ((rdev->family) == CHIP_RS880)) {
1822		WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
1823	} else {
1824		WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
1825	}
1826
1827	/* More default values. 2D/3D driver should adjust as needed */
1828	WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
1829					 S1_X(0x4) | S1_Y(0xc)));
1830	WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
1831					 S1_X(0x2) | S1_Y(0x2) |
1832					 S2_X(0xa) | S2_Y(0x6) |
1833					 S3_X(0x6) | S3_Y(0xa)));
1834	WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
1835					     S1_X(0x4) | S1_Y(0xc) |
1836					     S2_X(0x1) | S2_Y(0x6) |
1837					     S3_X(0xa) | S3_Y(0xe)));
1838	WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
1839					     S5_X(0x0) | S5_Y(0x0) |
1840					     S6_X(0xb) | S6_Y(0x4) |
1841					     S7_X(0x7) | S7_Y(0x8)));
1842
1843	WREG32(VGT_STRMOUT_EN, 0);
1844	tmp = rdev->config.r600.max_pipes * 16;
1845	switch (rdev->family) {
1846	case CHIP_RV610:
1847	case CHIP_RV620:
1848	case CHIP_RS780:
1849	case CHIP_RS880:
1850		tmp += 32;
1851		break;
1852	case CHIP_RV670:
1853		tmp += 128;
1854		break;
1855	default:
1856		break;
1857	}
1858	if (tmp > 256) {
1859		tmp = 256;
1860	}
1861	WREG32(VGT_ES_PER_GS, 128);
1862	WREG32(VGT_GS_PER_ES, tmp);
1863	WREG32(VGT_GS_PER_VS, 2);
1864	WREG32(VGT_GS_VERTEX_REUSE, 16);
1865
1866	/* more default values. 2D/3D driver should adjust as needed */
1867	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1868	WREG32(VGT_STRMOUT_EN, 0);
1869	WREG32(SX_MISC, 0);
1870	WREG32(PA_SC_MODE_CNTL, 0);
1871	WREG32(PA_SC_AA_CONFIG, 0);
1872	WREG32(PA_SC_LINE_STIPPLE, 0);
1873	WREG32(SPI_INPUT_Z, 0);
1874	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1875	WREG32(CB_COLOR7_FRAG, 0);
1876
1877	/* Clear render buffer base addresses */
1878	WREG32(CB_COLOR0_BASE, 0);
1879	WREG32(CB_COLOR1_BASE, 0);
1880	WREG32(CB_COLOR2_BASE, 0);
1881	WREG32(CB_COLOR3_BASE, 0);
1882	WREG32(CB_COLOR4_BASE, 0);
1883	WREG32(CB_COLOR5_BASE, 0);
1884	WREG32(CB_COLOR6_BASE, 0);
1885	WREG32(CB_COLOR7_BASE, 0);
1886	WREG32(CB_COLOR7_FRAG, 0);
1887
1888	switch (rdev->family) {
1889	case CHIP_RV610:
1890	case CHIP_RV620:
1891	case CHIP_RS780:
1892	case CHIP_RS880:
1893		tmp = TC_L2_SIZE(8);
1894		break;
1895	case CHIP_RV630:
1896	case CHIP_RV635:
1897		tmp = TC_L2_SIZE(4);
1898		break;
1899	case CHIP_R600:
1900		tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
1901		break;
1902	default:
1903		tmp = TC_L2_SIZE(0);
1904		break;
1905	}
1906	WREG32(TC_CNTL, tmp);
1907
1908	tmp = RREG32(HDP_HOST_PATH_CNTL);
1909	WREG32(HDP_HOST_PATH_CNTL, tmp);
1910
1911	tmp = RREG32(ARB_POP);
1912	tmp |= ENABLE_TC128;
1913	WREG32(ARB_POP, tmp);
1914
1915	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1916	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1917			       NUM_CLIP_SEQ(3)));
1918	WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
 
1919}
1920
1921
1922/*
1923 * Indirect registers accessor
1924 */
1925u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
1926{
 
1927	u32 r;
1928
 
1929	WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1930	(void)RREG32(PCIE_PORT_INDEX);
1931	r = RREG32(PCIE_PORT_DATA);
 
1932	return r;
1933}
1934
1935void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1936{
 
 
 
1937	WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1938	(void)RREG32(PCIE_PORT_INDEX);
1939	WREG32(PCIE_PORT_DATA, (v));
1940	(void)RREG32(PCIE_PORT_DATA);
 
1941}
1942
1943/*
1944 * CP & Ring
1945 */
1946void r600_cp_stop(struct radeon_device *rdev)
1947{
1948	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
 
1949	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1950	WREG32(SCRATCH_UMSK, 0);
 
1951}
1952
1953int r600_init_microcode(struct radeon_device *rdev)
1954{
1955	struct platform_device *pdev;
1956	const char *chip_name;
1957	const char *rlc_chip_name;
1958	size_t pfp_req_size, me_req_size, rlc_req_size;
 
1959	char fw_name[30];
1960	int err;
1961
1962	DRM_DEBUG("\n");
1963
1964	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
1965	err = IS_ERR(pdev);
1966	if (err) {
1967		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1968		return -EINVAL;
1969	}
1970
1971	switch (rdev->family) {
1972	case CHIP_R600:
1973		chip_name = "R600";
1974		rlc_chip_name = "R600";
1975		break;
1976	case CHIP_RV610:
1977		chip_name = "RV610";
1978		rlc_chip_name = "R600";
1979		break;
1980	case CHIP_RV630:
1981		chip_name = "RV630";
1982		rlc_chip_name = "R600";
1983		break;
1984	case CHIP_RV620:
1985		chip_name = "RV620";
1986		rlc_chip_name = "R600";
1987		break;
1988	case CHIP_RV635:
1989		chip_name = "RV635";
1990		rlc_chip_name = "R600";
1991		break;
1992	case CHIP_RV670:
1993		chip_name = "RV670";
1994		rlc_chip_name = "R600";
1995		break;
1996	case CHIP_RS780:
1997	case CHIP_RS880:
1998		chip_name = "RS780";
1999		rlc_chip_name = "R600";
2000		break;
2001	case CHIP_RV770:
2002		chip_name = "RV770";
2003		rlc_chip_name = "R700";
 
 
2004		break;
2005	case CHIP_RV730:
2006	case CHIP_RV740:
2007		chip_name = "RV730";
2008		rlc_chip_name = "R700";
 
 
2009		break;
2010	case CHIP_RV710:
2011		chip_name = "RV710";
2012		rlc_chip_name = "R700";
 
 
 
 
 
 
 
 
2013		break;
2014	case CHIP_CEDAR:
2015		chip_name = "CEDAR";
2016		rlc_chip_name = "CEDAR";
 
 
2017		break;
2018	case CHIP_REDWOOD:
2019		chip_name = "REDWOOD";
2020		rlc_chip_name = "REDWOOD";
 
 
2021		break;
2022	case CHIP_JUNIPER:
2023		chip_name = "JUNIPER";
2024		rlc_chip_name = "JUNIPER";
 
 
2025		break;
2026	case CHIP_CYPRESS:
2027	case CHIP_HEMLOCK:
2028		chip_name = "CYPRESS";
2029		rlc_chip_name = "CYPRESS";
 
 
2030		break;
2031	case CHIP_PALM:
2032		chip_name = "PALM";
2033		rlc_chip_name = "SUMO";
2034		break;
2035	case CHIP_SUMO:
2036		chip_name = "SUMO";
2037		rlc_chip_name = "SUMO";
2038		break;
2039	case CHIP_SUMO2:
2040		chip_name = "SUMO2";
2041		rlc_chip_name = "SUMO";
2042		break;
2043	default: BUG();
2044	}
2045
2046	if (rdev->family >= CHIP_CEDAR) {
2047		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2048		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2049		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2050	} else if (rdev->family >= CHIP_RV770) {
2051		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2052		me_req_size = R700_PM4_UCODE_SIZE * 4;
2053		rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2054	} else {
2055		pfp_req_size = PFP_UCODE_SIZE * 4;
2056		me_req_size = PM4_UCODE_SIZE * 12;
2057		rlc_req_size = RLC_UCODE_SIZE * 4;
2058	}
2059
2060	DRM_INFO("Loading %s Microcode\n", chip_name);
2061
2062	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2063	err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
2064	if (err)
2065		goto out;
2066	if (rdev->pfp_fw->size != pfp_req_size) {
2067		printk(KERN_ERR
2068		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2069		       rdev->pfp_fw->size, fw_name);
2070		err = -EINVAL;
2071		goto out;
2072	}
2073
2074	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2075	err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
2076	if (err)
2077		goto out;
2078	if (rdev->me_fw->size != me_req_size) {
2079		printk(KERN_ERR
2080		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2081		       rdev->me_fw->size, fw_name);
2082		err = -EINVAL;
2083	}
2084
2085	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2086	err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
2087	if (err)
2088		goto out;
2089	if (rdev->rlc_fw->size != rlc_req_size) {
2090		printk(KERN_ERR
2091		       "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2092		       rdev->rlc_fw->size, fw_name);
2093		err = -EINVAL;
2094	}
2095
2096out:
2097	platform_device_unregister(pdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2098
 
2099	if (err) {
2100		if (err != -EINVAL)
2101			printk(KERN_ERR
2102			       "r600_cp: Failed to load firmware \"%s\"\n",
2103			       fw_name);
2104		release_firmware(rdev->pfp_fw);
2105		rdev->pfp_fw = NULL;
2106		release_firmware(rdev->me_fw);
2107		rdev->me_fw = NULL;
2108		release_firmware(rdev->rlc_fw);
2109		rdev->rlc_fw = NULL;
 
 
2110	}
2111	return err;
2112}
2113
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2114static int r600_cp_load_microcode(struct radeon_device *rdev)
2115{
2116	const __be32 *fw_data;
2117	int i;
2118
2119	if (!rdev->me_fw || !rdev->pfp_fw)
2120		return -EINVAL;
2121
2122	r600_cp_stop(rdev);
2123
2124	WREG32(CP_RB_CNTL,
2125#ifdef __BIG_ENDIAN
2126	       BUF_SWAP_32BIT |
2127#endif
2128	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2129
2130	/* Reset cp */
2131	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2132	RREG32(GRBM_SOFT_RESET);
2133	mdelay(15);
2134	WREG32(GRBM_SOFT_RESET, 0);
2135
2136	WREG32(CP_ME_RAM_WADDR, 0);
2137
2138	fw_data = (const __be32 *)rdev->me_fw->data;
2139	WREG32(CP_ME_RAM_WADDR, 0);
2140	for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
2141		WREG32(CP_ME_RAM_DATA,
2142		       be32_to_cpup(fw_data++));
2143
2144	fw_data = (const __be32 *)rdev->pfp_fw->data;
2145	WREG32(CP_PFP_UCODE_ADDR, 0);
2146	for (i = 0; i < PFP_UCODE_SIZE; i++)
2147		WREG32(CP_PFP_UCODE_DATA,
2148		       be32_to_cpup(fw_data++));
2149
2150	WREG32(CP_PFP_UCODE_ADDR, 0);
2151	WREG32(CP_ME_RAM_WADDR, 0);
2152	WREG32(CP_ME_RAM_RADDR, 0);
2153	return 0;
2154}
2155
2156int r600_cp_start(struct radeon_device *rdev)
2157{
 
2158	int r;
2159	uint32_t cp_me;
2160
2161	r = radeon_ring_lock(rdev, 7);
2162	if (r) {
2163		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2164		return r;
2165	}
2166	radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
2167	radeon_ring_write(rdev, 0x1);
2168	if (rdev->family >= CHIP_RV770) {
2169		radeon_ring_write(rdev, 0x0);
2170		radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1);
2171	} else {
2172		radeon_ring_write(rdev, 0x3);
2173		radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
2174	}
2175	radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2176	radeon_ring_write(rdev, 0);
2177	radeon_ring_write(rdev, 0);
2178	radeon_ring_unlock_commit(rdev);
2179
2180	cp_me = 0xff;
2181	WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2182	return 0;
2183}
2184
2185int r600_cp_resume(struct radeon_device *rdev)
2186{
 
2187	u32 tmp;
2188	u32 rb_bufsz;
2189	int r;
2190
2191	/* Reset cp */
2192	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2193	RREG32(GRBM_SOFT_RESET);
2194	mdelay(15);
2195	WREG32(GRBM_SOFT_RESET, 0);
2196
2197	/* Set ring buffer size */
2198	rb_bufsz = drm_order(rdev->cp.ring_size / 8);
2199	tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2200#ifdef __BIG_ENDIAN
2201	tmp |= BUF_SWAP_32BIT;
2202#endif
2203	WREG32(CP_RB_CNTL, tmp);
2204	WREG32(CP_SEM_WAIT_TIMER, 0x4);
2205
2206	/* Set the write pointer delay */
2207	WREG32(CP_RB_WPTR_DELAY, 0);
2208
2209	/* Initialize the ring buffer's read and write pointers */
2210	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2211	WREG32(CP_RB_RPTR_WR, 0);
2212	rdev->cp.wptr = 0;
2213	WREG32(CP_RB_WPTR, rdev->cp.wptr);
2214
2215	/* set the wb address whether it's enabled or not */
2216	WREG32(CP_RB_RPTR_ADDR,
2217	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2218	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2219	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2220
2221	if (rdev->wb.enabled)
2222		WREG32(SCRATCH_UMSK, 0xff);
2223	else {
2224		tmp |= RB_NO_UPDATE;
2225		WREG32(SCRATCH_UMSK, 0);
2226	}
2227
2228	mdelay(1);
2229	WREG32(CP_RB_CNTL, tmp);
2230
2231	WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
2232	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2233
2234	rdev->cp.rptr = RREG32(CP_RB_RPTR);
2235
2236	r600_cp_start(rdev);
2237	rdev->cp.ready = true;
2238	r = radeon_ring_test(rdev);
2239	if (r) {
2240		rdev->cp.ready = false;
2241		return r;
2242	}
2243	return 0;
2244}
2245
2246void r600_cp_commit(struct radeon_device *rdev)
2247{
2248	WREG32(CP_RB_WPTR, rdev->cp.wptr);
2249	(void)RREG32(CP_RB_WPTR);
2250}
2251
2252void r600_ring_init(struct radeon_device *rdev, unsigned ring_size)
2253{
2254	u32 rb_bufsz;
 
2255
2256	/* Align ring size */
2257	rb_bufsz = drm_order(ring_size / 8);
2258	ring_size = (1 << (rb_bufsz + 1)) * 4;
2259	rdev->cp.ring_size = ring_size;
2260	rdev->cp.align_mask = 16 - 1;
 
 
 
 
 
 
 
 
2261}
2262
2263void r600_cp_fini(struct radeon_device *rdev)
2264{
 
2265	r600_cp_stop(rdev);
2266	radeon_ring_fini(rdev);
 
2267}
2268
2269
2270/*
2271 * GPU scratch registers helpers function.
2272 */
2273void r600_scratch_init(struct radeon_device *rdev)
2274{
2275	int i;
2276
2277	rdev->scratch.num_reg = 7;
2278	rdev->scratch.reg_base = SCRATCH_REG0;
2279	for (i = 0; i < rdev->scratch.num_reg; i++) {
2280		rdev->scratch.free[i] = true;
2281		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2282	}
2283}
2284
2285int r600_ring_test(struct radeon_device *rdev)
2286{
2287	uint32_t scratch;
2288	uint32_t tmp = 0;
2289	unsigned i;
2290	int r;
2291
2292	r = radeon_scratch_get(rdev, &scratch);
2293	if (r) {
2294		DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2295		return r;
2296	}
2297	WREG32(scratch, 0xCAFEDEAD);
2298	r = radeon_ring_lock(rdev, 3);
2299	if (r) {
2300		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2301		radeon_scratch_free(rdev, scratch);
2302		return r;
2303	}
2304	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2305	radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2306	radeon_ring_write(rdev, 0xDEADBEEF);
2307	radeon_ring_unlock_commit(rdev);
2308	for (i = 0; i < rdev->usec_timeout; i++) {
2309		tmp = RREG32(scratch);
2310		if (tmp == 0xDEADBEEF)
2311			break;
2312		DRM_UDELAY(1);
2313	}
2314	if (i < rdev->usec_timeout) {
2315		DRM_INFO("ring test succeeded in %d usecs\n", i);
2316	} else {
2317		DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
2318			  scratch, tmp);
2319		r = -EINVAL;
2320	}
2321	radeon_scratch_free(rdev, scratch);
2322	return r;
2323}
2324
 
 
 
 
2325void r600_fence_ring_emit(struct radeon_device *rdev,
2326			  struct radeon_fence *fence)
2327{
 
 
 
 
 
 
 
2328	if (rdev->wb.use_event) {
2329		u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET +
2330			(u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base);
 
 
 
 
 
2331		/* EVENT_WRITE_EOP - flush caches, send int */
2332		radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2333		radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2334		radeon_ring_write(rdev, addr & 0xffffffff);
2335		radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2336		radeon_ring_write(rdev, fence->seq);
2337		radeon_ring_write(rdev, 0);
2338	} else {
2339		radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
2340		radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
 
 
 
 
 
 
2341		/* wait for 3D idle clean */
2342		radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2343		radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2344		radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2345		/* Emit fence sequence & fire IRQ */
2346		radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2347		radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2348		radeon_ring_write(rdev, fence->seq);
2349		/* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2350		radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
2351		radeon_ring_write(rdev, RB_INT_STAT);
2352	}
2353}
2354
2355int r600_copy_blit(struct radeon_device *rdev,
2356		   uint64_t src_offset,
2357		   uint64_t dst_offset,
2358		   unsigned num_gpu_pages,
2359		   struct radeon_fence *fence)
 
 
 
 
 
 
 
 
 
 
2360{
2361	int r;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2362
2363	mutex_lock(&rdev->r600_blit.mutex);
2364	rdev->r600_blit.vb_ib = NULL;
2365	r = r600_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
2366	if (r) {
2367		if (rdev->r600_blit.vb_ib)
2368			radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
2369		mutex_unlock(&rdev->r600_blit.mutex);
2370		return r;
2371	}
2372	r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE);
2373	r600_blit_done_copy(rdev, fence);
2374	mutex_unlock(&rdev->r600_blit.mutex);
2375	return 0;
 
2376}
2377
2378int r600_set_surface_reg(struct radeon_device *rdev, int reg,
2379			 uint32_t tiling_flags, uint32_t pitch,
2380			 uint32_t offset, uint32_t obj_size)
2381{
2382	/* FIXME: implement */
2383	return 0;
2384}
2385
2386void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2387{
2388	/* FIXME: implement */
2389}
2390
2391int r600_startup(struct radeon_device *rdev)
2392{
 
2393	int r;
2394
2395	/* enable pcie gen2 link */
2396	r600_pcie_gen2_enable(rdev);
2397
2398	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2399		r = r600_init_microcode(rdev);
2400		if (r) {
2401			DRM_ERROR("Failed to load firmware!\n");
2402			return r;
2403		}
2404	}
2405
2406	r600_mc_program(rdev);
 
2407	if (rdev->flags & RADEON_IS_AGP) {
2408		r600_agp_enable(rdev);
2409	} else {
2410		r = r600_pcie_gart_enable(rdev);
2411		if (r)
2412			return r;
2413	}
2414	r600_gpu_init(rdev);
2415	r = r600_blit_init(rdev);
2416	if (r) {
2417		r600_blit_fini(rdev);
2418		rdev->asic->copy = NULL;
2419		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2420	}
2421
2422	/* allocate wb buffer */
2423	r = radeon_wb_init(rdev);
2424	if (r)
2425		return r;
2426
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2427	/* Enable IRQ */
 
 
 
 
 
 
2428	r = r600_irq_init(rdev);
2429	if (r) {
2430		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2431		radeon_irq_kms_fini(rdev);
2432		return r;
2433	}
2434	r600_irq_set(rdev);
2435
2436	r = radeon_ring_init(rdev, rdev->cp.ring_size);
 
 
2437	if (r)
2438		return r;
 
2439	r = r600_cp_load_microcode(rdev);
2440	if (r)
2441		return r;
2442	r = r600_cp_resume(rdev);
2443	if (r)
2444		return r;
2445
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2446	return 0;
2447}
2448
2449void r600_vga_set_state(struct radeon_device *rdev, bool state)
2450{
2451	uint32_t temp;
2452
2453	temp = RREG32(CONFIG_CNTL);
2454	if (state == false) {
2455		temp &= ~(1<<0);
2456		temp |= (1<<1);
2457	} else {
2458		temp &= ~(1<<1);
2459	}
2460	WREG32(CONFIG_CNTL, temp);
2461}
2462
2463int r600_resume(struct radeon_device *rdev)
2464{
2465	int r;
2466
2467	/* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
2468	 * posting will perform necessary task to bring back GPU into good
2469	 * shape.
2470	 */
2471	/* post card */
2472	atom_asic_init(rdev->mode_info.atom_context);
2473
 
 
 
 
2474	r = r600_startup(rdev);
2475	if (r) {
2476		DRM_ERROR("r600 startup failed on resume\n");
2477		return r;
2478	}
2479
2480	r = r600_ib_test(rdev);
2481	if (r) {
2482		DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2483		return r;
2484	}
2485
2486	r = r600_audio_init(rdev);
2487	if (r) {
2488		DRM_ERROR("radeon: audio resume failed\n");
2489		return r;
2490	}
2491
2492	return r;
2493}
2494
2495int r600_suspend(struct radeon_device *rdev)
2496{
2497	int r;
2498
2499	r600_audio_fini(rdev);
2500	/* FIXME: we should wait for ring to be empty */
2501	r600_cp_stop(rdev);
2502	rdev->cp.ready = false;
 
 
 
2503	r600_irq_suspend(rdev);
2504	radeon_wb_disable(rdev);
2505	r600_pcie_gart_disable(rdev);
2506	/* unpin shaders bo */
2507	if (rdev->r600_blit.shader_obj) {
2508		r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2509		if (!r) {
2510			radeon_bo_unpin(rdev->r600_blit.shader_obj);
2511			radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2512		}
2513	}
2514	return 0;
2515}
2516
2517/* Plan is to move initialization in that function and use
2518 * helper function so that radeon_device_init pretty much
2519 * do nothing more than calling asic specific function. This
2520 * should also allow to remove a bunch of callback function
2521 * like vram_info.
2522 */
2523int r600_init(struct radeon_device *rdev)
2524{
2525	int r;
2526
2527	if (r600_debugfs_mc_info_init(rdev)) {
2528		DRM_ERROR("Failed to register debugfs file for mc !\n");
2529	}
2530	/* This don't do much */
2531	r = radeon_gem_init(rdev);
2532	if (r)
2533		return r;
2534	/* Read BIOS */
2535	if (!radeon_get_bios(rdev)) {
2536		if (ASIC_IS_AVIVO(rdev))
2537			return -EINVAL;
2538	}
2539	/* Must be an ATOMBIOS */
2540	if (!rdev->is_atom_bios) {
2541		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2542		return -EINVAL;
2543	}
2544	r = radeon_atombios_init(rdev);
2545	if (r)
2546		return r;
2547	/* Post card if necessary */
2548	if (!radeon_card_posted(rdev)) {
2549		if (!rdev->bios) {
2550			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2551			return -EINVAL;
2552		}
2553		DRM_INFO("GPU not posted. posting now...\n");
2554		atom_asic_init(rdev->mode_info.atom_context);
2555	}
2556	/* Initialize scratch registers */
2557	r600_scratch_init(rdev);
2558	/* Initialize surface registers */
2559	radeon_surface_init(rdev);
2560	/* Initialize clocks */
2561	radeon_get_clock_info(rdev->ddev);
2562	/* Fence driver */
2563	r = radeon_fence_driver_init(rdev);
2564	if (r)
2565		return r;
2566	if (rdev->flags & RADEON_IS_AGP) {
2567		r = radeon_agp_init(rdev);
2568		if (r)
2569			radeon_agp_disable(rdev);
2570	}
2571	r = r600_mc_init(rdev);
2572	if (r)
2573		return r;
2574	/* Memory manager */
2575	r = radeon_bo_init(rdev);
2576	if (r)
2577		return r;
2578
2579	r = radeon_irq_kms_init(rdev);
2580	if (r)
2581		return r;
 
 
 
 
 
 
 
2582
2583	rdev->cp.ring_obj = NULL;
2584	r600_ring_init(rdev, 1024 * 1024);
 
 
 
 
 
 
 
 
2585
2586	rdev->ih.ring_obj = NULL;
2587	r600_ih_ring_init(rdev, 64 * 1024);
2588
2589	r = r600_pcie_gart_init(rdev);
2590	if (r)
2591		return r;
2592
2593	rdev->accel_working = true;
2594	r = r600_startup(rdev);
2595	if (r) {
2596		dev_err(rdev->dev, "disabling GPU acceleration\n");
2597		r600_cp_fini(rdev);
2598		r600_irq_fini(rdev);
2599		radeon_wb_fini(rdev);
 
2600		radeon_irq_kms_fini(rdev);
2601		r600_pcie_gart_fini(rdev);
2602		rdev->accel_working = false;
2603	}
2604	if (rdev->accel_working) {
2605		r = radeon_ib_pool_init(rdev);
2606		if (r) {
2607			dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2608			rdev->accel_working = false;
2609		} else {
2610			r = r600_ib_test(rdev);
2611			if (r) {
2612				dev_err(rdev->dev, "IB test failed (%d).\n", r);
2613				rdev->accel_working = false;
2614			}
2615		}
2616	}
2617
2618	r = r600_audio_init(rdev);
2619	if (r)
2620		return r; /* TODO error handling */
2621	return 0;
2622}
2623
2624void r600_fini(struct radeon_device *rdev)
2625{
2626	r600_audio_fini(rdev);
2627	r600_blit_fini(rdev);
2628	r600_cp_fini(rdev);
2629	r600_irq_fini(rdev);
 
 
 
 
2630	radeon_wb_fini(rdev);
2631	radeon_ib_pool_fini(rdev);
2632	radeon_irq_kms_fini(rdev);
2633	r600_pcie_gart_fini(rdev);
 
2634	radeon_agp_fini(rdev);
2635	radeon_gem_fini(rdev);
2636	radeon_fence_driver_fini(rdev);
2637	radeon_bo_fini(rdev);
2638	radeon_atombios_fini(rdev);
2639	kfree(rdev->bios);
2640	rdev->bios = NULL;
2641}
2642
2643
2644/*
2645 * CS stuff
2646 */
2647void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2648{
2649	/* FIXME: implement */
2650	radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2651	radeon_ring_write(rdev,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2652#ifdef __BIG_ENDIAN
2653			  (2 << 0) |
2654#endif
2655			  (ib->gpu_addr & 0xFFFFFFFC));
2656	radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
2657	radeon_ring_write(rdev, ib->length_dw);
2658}
2659
2660int r600_ib_test(struct radeon_device *rdev)
2661{
2662	struct radeon_ib *ib;
2663	uint32_t scratch;
2664	uint32_t tmp = 0;
2665	unsigned i;
2666	int r;
2667
2668	r = radeon_scratch_get(rdev, &scratch);
2669	if (r) {
2670		DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2671		return r;
2672	}
2673	WREG32(scratch, 0xCAFEDEAD);
2674	r = radeon_ib_get(rdev, &ib);
2675	if (r) {
2676		DRM_ERROR("radeon: failed to get ib (%d).\n", r);
2677		return r;
2678	}
2679	ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
2680	ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2681	ib->ptr[2] = 0xDEADBEEF;
2682	ib->ptr[3] = PACKET2(0);
2683	ib->ptr[4] = PACKET2(0);
2684	ib->ptr[5] = PACKET2(0);
2685	ib->ptr[6] = PACKET2(0);
2686	ib->ptr[7] = PACKET2(0);
2687	ib->ptr[8] = PACKET2(0);
2688	ib->ptr[9] = PACKET2(0);
2689	ib->ptr[10] = PACKET2(0);
2690	ib->ptr[11] = PACKET2(0);
2691	ib->ptr[12] = PACKET2(0);
2692	ib->ptr[13] = PACKET2(0);
2693	ib->ptr[14] = PACKET2(0);
2694	ib->ptr[15] = PACKET2(0);
2695	ib->length_dw = 16;
2696	r = radeon_ib_schedule(rdev, ib);
2697	if (r) {
2698		radeon_scratch_free(rdev, scratch);
2699		radeon_ib_free(rdev, &ib);
2700		DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
2701		return r;
2702	}
2703	r = radeon_fence_wait(ib->fence, false);
2704	if (r) {
 
2705		DRM_ERROR("radeon: fence wait failed (%d).\n", r);
2706		return r;
 
 
 
 
2707	}
 
2708	for (i = 0; i < rdev->usec_timeout; i++) {
2709		tmp = RREG32(scratch);
2710		if (tmp == 0xDEADBEEF)
2711			break;
2712		DRM_UDELAY(1);
2713	}
2714	if (i < rdev->usec_timeout) {
2715		DRM_INFO("ib test succeeded in %u usecs\n", i);
2716	} else {
2717		DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
2718			  scratch, tmp);
2719		r = -EINVAL;
2720	}
2721	radeon_scratch_free(rdev, scratch);
2722	radeon_ib_free(rdev, &ib);
 
 
2723	return r;
2724}
2725
2726/*
2727 * Interrupts
2728 *
2729 * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
2730 * the same as the CP ring buffer, but in reverse.  Rather than the CPU
2731 * writing to the ring and the GPU consuming, the GPU writes to the ring
2732 * and host consumes.  As the host irq handler processes interrupts, it
2733 * increments the rptr.  When the rptr catches up with the wptr, all the
2734 * current interrupts have been processed.
2735 */
2736
2737void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
2738{
2739	u32 rb_bufsz;
2740
2741	/* Align ring size */
2742	rb_bufsz = drm_order(ring_size / 4);
2743	ring_size = (1 << rb_bufsz) * 4;
2744	rdev->ih.ring_size = ring_size;
2745	rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
2746	rdev->ih.rptr = 0;
2747}
2748
2749static int r600_ih_ring_alloc(struct radeon_device *rdev)
2750{
2751	int r;
2752
2753	/* Allocate ring buffer */
2754	if (rdev->ih.ring_obj == NULL) {
2755		r = radeon_bo_create(rdev, rdev->ih.ring_size,
2756				     PAGE_SIZE, true,
2757				     RADEON_GEM_DOMAIN_GTT,
2758				     &rdev->ih.ring_obj);
2759		if (r) {
2760			DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
2761			return r;
2762		}
2763		r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2764		if (unlikely(r != 0))
2765			return r;
2766		r = radeon_bo_pin(rdev->ih.ring_obj,
2767				  RADEON_GEM_DOMAIN_GTT,
2768				  &rdev->ih.gpu_addr);
2769		if (r) {
2770			radeon_bo_unreserve(rdev->ih.ring_obj);
2771			DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
2772			return r;
2773		}
2774		r = radeon_bo_kmap(rdev->ih.ring_obj,
2775				   (void **)&rdev->ih.ring);
2776		radeon_bo_unreserve(rdev->ih.ring_obj);
2777		if (r) {
2778			DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
2779			return r;
2780		}
2781	}
2782	return 0;
2783}
2784
2785static void r600_ih_ring_fini(struct radeon_device *rdev)
2786{
2787	int r;
2788	if (rdev->ih.ring_obj) {
2789		r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2790		if (likely(r == 0)) {
2791			radeon_bo_kunmap(rdev->ih.ring_obj);
2792			radeon_bo_unpin(rdev->ih.ring_obj);
2793			radeon_bo_unreserve(rdev->ih.ring_obj);
2794		}
2795		radeon_bo_unref(&rdev->ih.ring_obj);
2796		rdev->ih.ring = NULL;
2797		rdev->ih.ring_obj = NULL;
2798	}
2799}
2800
2801void r600_rlc_stop(struct radeon_device *rdev)
2802{
2803
2804	if ((rdev->family >= CHIP_RV770) &&
2805	    (rdev->family <= CHIP_RV740)) {
2806		/* r7xx asics need to soft reset RLC before halting */
2807		WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
2808		RREG32(SRBM_SOFT_RESET);
2809		udelay(15000);
2810		WREG32(SRBM_SOFT_RESET, 0);
2811		RREG32(SRBM_SOFT_RESET);
2812	}
2813
2814	WREG32(RLC_CNTL, 0);
2815}
2816
2817static void r600_rlc_start(struct radeon_device *rdev)
2818{
2819	WREG32(RLC_CNTL, RLC_ENABLE);
2820}
2821
2822static int r600_rlc_init(struct radeon_device *rdev)
2823{
2824	u32 i;
2825	const __be32 *fw_data;
2826
2827	if (!rdev->rlc_fw)
2828		return -EINVAL;
2829
2830	r600_rlc_stop(rdev);
2831
2832	WREG32(RLC_HB_BASE, 0);
2833	WREG32(RLC_HB_CNTL, 0);
 
 
2834	WREG32(RLC_HB_RPTR, 0);
2835	WREG32(RLC_HB_WPTR, 0);
2836	if (rdev->family <= CHIP_CAICOS) {
2837		WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
2838		WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
2839	}
2840	WREG32(RLC_MC_CNTL, 0);
2841	WREG32(RLC_UCODE_CNTL, 0);
2842
2843	fw_data = (const __be32 *)rdev->rlc_fw->data;
2844	if (rdev->family >= CHIP_CAYMAN) {
2845		for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
2846			WREG32(RLC_UCODE_ADDR, i);
2847			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2848		}
2849	} else if (rdev->family >= CHIP_CEDAR) {
2850		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
2851			WREG32(RLC_UCODE_ADDR, i);
2852			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2853		}
2854	} else if (rdev->family >= CHIP_RV770) {
2855		for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
2856			WREG32(RLC_UCODE_ADDR, i);
2857			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2858		}
2859	} else {
2860		for (i = 0; i < RLC_UCODE_SIZE; i++) {
2861			WREG32(RLC_UCODE_ADDR, i);
2862			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2863		}
2864	}
2865	WREG32(RLC_UCODE_ADDR, 0);
2866
2867	r600_rlc_start(rdev);
2868
2869	return 0;
2870}
2871
2872static void r600_enable_interrupts(struct radeon_device *rdev)
2873{
2874	u32 ih_cntl = RREG32(IH_CNTL);
2875	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2876
2877	ih_cntl |= ENABLE_INTR;
2878	ih_rb_cntl |= IH_RB_ENABLE;
2879	WREG32(IH_CNTL, ih_cntl);
2880	WREG32(IH_RB_CNTL, ih_rb_cntl);
2881	rdev->ih.enabled = true;
2882}
2883
2884void r600_disable_interrupts(struct radeon_device *rdev)
2885{
2886	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2887	u32 ih_cntl = RREG32(IH_CNTL);
2888
2889	ih_rb_cntl &= ~IH_RB_ENABLE;
2890	ih_cntl &= ~ENABLE_INTR;
2891	WREG32(IH_RB_CNTL, ih_rb_cntl);
2892	WREG32(IH_CNTL, ih_cntl);
2893	/* set rptr, wptr to 0 */
2894	WREG32(IH_RB_RPTR, 0);
2895	WREG32(IH_RB_WPTR, 0);
2896	rdev->ih.enabled = false;
2897	rdev->ih.wptr = 0;
2898	rdev->ih.rptr = 0;
2899}
2900
2901static void r600_disable_interrupt_state(struct radeon_device *rdev)
2902{
2903	u32 tmp;
2904
2905	WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
 
 
2906	WREG32(GRBM_INT_CNTL, 0);
2907	WREG32(DxMODE_INT_MASK, 0);
2908	WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2909	WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
2910	if (ASIC_IS_DCE3(rdev)) {
2911		WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2912		WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
2913		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2914		WREG32(DC_HPD1_INT_CONTROL, tmp);
2915		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2916		WREG32(DC_HPD2_INT_CONTROL, tmp);
2917		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2918		WREG32(DC_HPD3_INT_CONTROL, tmp);
2919		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2920		WREG32(DC_HPD4_INT_CONTROL, tmp);
2921		if (ASIC_IS_DCE32(rdev)) {
2922			tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2923			WREG32(DC_HPD5_INT_CONTROL, tmp);
2924			tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2925			WREG32(DC_HPD6_INT_CONTROL, tmp);
 
 
 
 
 
 
 
 
 
2926		}
2927	} else {
2928		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2929		WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2930		tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2931		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
2932		tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2933		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
2934		tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2935		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 
 
 
 
2936	}
2937}
2938
2939int r600_irq_init(struct radeon_device *rdev)
2940{
2941	int ret = 0;
2942	int rb_bufsz;
2943	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
2944
2945	/* allocate ring */
2946	ret = r600_ih_ring_alloc(rdev);
2947	if (ret)
2948		return ret;
2949
2950	/* disable irqs */
2951	r600_disable_interrupts(rdev);
2952
2953	/* init rlc */
2954	ret = r600_rlc_init(rdev);
 
 
 
2955	if (ret) {
2956		r600_ih_ring_fini(rdev);
2957		return ret;
2958	}
2959
2960	/* setup interrupt control */
2961	/* set dummy read address to ring address */
2962	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
2963	interrupt_cntl = RREG32(INTERRUPT_CNTL);
2964	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
2965	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
2966	 */
2967	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
2968	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
2969	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
2970	WREG32(INTERRUPT_CNTL, interrupt_cntl);
2971
2972	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
2973	rb_bufsz = drm_order(rdev->ih.ring_size / 4);
2974
2975	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
2976		      IH_WPTR_OVERFLOW_CLEAR |
2977		      (rb_bufsz << 1));
2978
2979	if (rdev->wb.enabled)
2980		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
2981
2982	/* set the writeback address whether it's enabled or not */
2983	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
2984	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
2985
2986	WREG32(IH_RB_CNTL, ih_rb_cntl);
2987
2988	/* set rptr, wptr to 0 */
2989	WREG32(IH_RB_RPTR, 0);
2990	WREG32(IH_RB_WPTR, 0);
2991
2992	/* Default settings for IH_CNTL (disabled at first) */
2993	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
2994	/* RPTR_REARM only works if msi's are enabled */
2995	if (rdev->msi_enabled)
2996		ih_cntl |= RPTR_REARM;
2997	WREG32(IH_CNTL, ih_cntl);
2998
2999	/* force the active interrupt state to all disabled */
3000	if (rdev->family >= CHIP_CEDAR)
3001		evergreen_disable_interrupt_state(rdev);
3002	else
3003		r600_disable_interrupt_state(rdev);
3004
 
 
 
3005	/* enable irqs */
3006	r600_enable_interrupts(rdev);
3007
3008	return ret;
3009}
3010
3011void r600_irq_suspend(struct radeon_device *rdev)
3012{
3013	r600_irq_disable(rdev);
3014	r600_rlc_stop(rdev);
3015}
3016
3017void r600_irq_fini(struct radeon_device *rdev)
3018{
3019	r600_irq_suspend(rdev);
3020	r600_ih_ring_fini(rdev);
3021}
3022
3023int r600_irq_set(struct radeon_device *rdev)
3024{
3025	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3026	u32 mode_int = 0;
3027	u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3028	u32 grbm_int_cntl = 0;
3029	u32 hdmi1, hdmi2;
3030	u32 d1grph = 0, d2grph = 0;
 
3031
3032	if (!rdev->irq.installed) {
3033		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3034		return -EINVAL;
3035	}
3036	/* don't enable anything if the ih is disabled */
3037	if (!rdev->ih.enabled) {
3038		r600_disable_interrupts(rdev);
3039		/* force the active interrupt state to all disabled */
3040		r600_disable_interrupt_state(rdev);
3041		return 0;
3042	}
3043
3044	hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3045	if (ASIC_IS_DCE3(rdev)) {
3046		hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3047		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3048		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3049		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3050		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3051		if (ASIC_IS_DCE32(rdev)) {
3052			hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3053			hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
 
 
 
 
 
3054		}
3055	} else {
3056		hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3057		hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3058		hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3059		hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3060	}
3061
3062	if (rdev->irq.sw_int) {
3063		DRM_DEBUG("r600_irq_set: sw int\n");
3064		cp_int_cntl |= RB_INT_ENABLE;
3065		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3066	}
 
 
 
 
 
 
3067	if (rdev->irq.crtc_vblank_int[0] ||
3068	    rdev->irq.pflip[0]) {
3069		DRM_DEBUG("r600_irq_set: vblank 0\n");
3070		mode_int |= D1MODE_VBLANK_INT_MASK;
3071	}
3072	if (rdev->irq.crtc_vblank_int[1] ||
3073	    rdev->irq.pflip[1]) {
3074		DRM_DEBUG("r600_irq_set: vblank 1\n");
3075		mode_int |= D2MODE_VBLANK_INT_MASK;
3076	}
3077	if (rdev->irq.hpd[0]) {
3078		DRM_DEBUG("r600_irq_set: hpd 1\n");
3079		hpd1 |= DC_HPDx_INT_EN;
3080	}
3081	if (rdev->irq.hpd[1]) {
3082		DRM_DEBUG("r600_irq_set: hpd 2\n");
3083		hpd2 |= DC_HPDx_INT_EN;
3084	}
3085	if (rdev->irq.hpd[2]) {
3086		DRM_DEBUG("r600_irq_set: hpd 3\n");
3087		hpd3 |= DC_HPDx_INT_EN;
3088	}
3089	if (rdev->irq.hpd[3]) {
3090		DRM_DEBUG("r600_irq_set: hpd 4\n");
3091		hpd4 |= DC_HPDx_INT_EN;
3092	}
3093	if (rdev->irq.hpd[4]) {
3094		DRM_DEBUG("r600_irq_set: hpd 5\n");
3095		hpd5 |= DC_HPDx_INT_EN;
3096	}
3097	if (rdev->irq.hpd[5]) {
3098		DRM_DEBUG("r600_irq_set: hpd 6\n");
3099		hpd6 |= DC_HPDx_INT_EN;
3100	}
3101	if (rdev->irq.hdmi[0]) {
3102		DRM_DEBUG("r600_irq_set: hdmi 1\n");
3103		hdmi1 |= R600_HDMI_INT_EN;
3104	}
3105	if (rdev->irq.hdmi[1]) {
3106		DRM_DEBUG("r600_irq_set: hdmi 2\n");
3107		hdmi2 |= R600_HDMI_INT_EN;
3108	}
3109	if (rdev->irq.gui_idle) {
3110		DRM_DEBUG("gui idle\n");
3111		grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
3112	}
3113
3114	WREG32(CP_INT_CNTL, cp_int_cntl);
 
3115	WREG32(DxMODE_INT_MASK, mode_int);
3116	WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3117	WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
3118	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3119	WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
3120	if (ASIC_IS_DCE3(rdev)) {
3121		WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
3122		WREG32(DC_HPD1_INT_CONTROL, hpd1);
3123		WREG32(DC_HPD2_INT_CONTROL, hpd2);
3124		WREG32(DC_HPD3_INT_CONTROL, hpd3);
3125		WREG32(DC_HPD4_INT_CONTROL, hpd4);
3126		if (ASIC_IS_DCE32(rdev)) {
3127			WREG32(DC_HPD5_INT_CONTROL, hpd5);
3128			WREG32(DC_HPD6_INT_CONTROL, hpd6);
 
 
 
 
 
3129		}
3130	} else {
3131		WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2);
3132		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3133		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3134		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
 
 
 
 
 
 
 
3135	}
3136
 
 
 
3137	return 0;
3138}
3139
3140static inline void r600_irq_ack(struct radeon_device *rdev)
3141{
3142	u32 tmp;
3143
3144	if (ASIC_IS_DCE3(rdev)) {
3145		rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3146		rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3147		rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
 
 
 
 
 
 
 
3148	} else {
3149		rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3150		rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3151		rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
 
 
3152	}
3153	rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3154	rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3155
3156	if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3157		WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3158	if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3159		WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3160	if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3161		WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3162	if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3163		WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3164	if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3165		WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3166	if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3167		WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3168	if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3169		if (ASIC_IS_DCE3(rdev)) {
3170			tmp = RREG32(DC_HPD1_INT_CONTROL);
3171			tmp |= DC_HPDx_INT_ACK;
3172			WREG32(DC_HPD1_INT_CONTROL, tmp);
3173		} else {
3174			tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3175			tmp |= DC_HPDx_INT_ACK;
3176			WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3177		}
3178	}
3179	if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3180		if (ASIC_IS_DCE3(rdev)) {
3181			tmp = RREG32(DC_HPD2_INT_CONTROL);
3182			tmp |= DC_HPDx_INT_ACK;
3183			WREG32(DC_HPD2_INT_CONTROL, tmp);
3184		} else {
3185			tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3186			tmp |= DC_HPDx_INT_ACK;
3187			WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3188		}
3189	}
3190	if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3191		if (ASIC_IS_DCE3(rdev)) {
3192			tmp = RREG32(DC_HPD3_INT_CONTROL);
3193			tmp |= DC_HPDx_INT_ACK;
3194			WREG32(DC_HPD3_INT_CONTROL, tmp);
3195		} else {
3196			tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3197			tmp |= DC_HPDx_INT_ACK;
3198			WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3199		}
3200	}
3201	if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3202		tmp = RREG32(DC_HPD4_INT_CONTROL);
3203		tmp |= DC_HPDx_INT_ACK;
3204		WREG32(DC_HPD4_INT_CONTROL, tmp);
3205	}
3206	if (ASIC_IS_DCE32(rdev)) {
3207		if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3208			tmp = RREG32(DC_HPD5_INT_CONTROL);
3209			tmp |= DC_HPDx_INT_ACK;
3210			WREG32(DC_HPD5_INT_CONTROL, tmp);
3211		}
3212		if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3213			tmp = RREG32(DC_HPD5_INT_CONTROL);
3214			tmp |= DC_HPDx_INT_ACK;
3215			WREG32(DC_HPD6_INT_CONTROL, tmp);
3216		}
3217	}
3218	if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3219		WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3220	}
3221	if (ASIC_IS_DCE3(rdev)) {
3222		if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3223			WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
 
 
3224		}
3225	} else {
3226		if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3227			WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
 
 
 
 
 
 
 
 
 
 
 
 
 
3228		}
3229	}
3230}
3231
3232void r600_irq_disable(struct radeon_device *rdev)
3233{
3234	r600_disable_interrupts(rdev);
3235	/* Wait and acknowledge irq */
3236	mdelay(1);
3237	r600_irq_ack(rdev);
3238	r600_disable_interrupt_state(rdev);
3239}
3240
3241static inline u32 r600_get_ih_wptr(struct radeon_device *rdev)
3242{
3243	u32 wptr, tmp;
3244
3245	if (rdev->wb.enabled)
3246		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
3247	else
3248		wptr = RREG32(IH_RB_WPTR);
3249
3250	if (wptr & RB_OVERFLOW) {
 
3251		/* When a ring buffer overflow happen start parsing interrupt
3252		 * from the last not overwritten vector (wptr + 16). Hopefully
3253		 * this should allow us to catchup.
3254		 */
3255		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
3256			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
3257		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
3258		tmp = RREG32(IH_RB_CNTL);
3259		tmp |= IH_WPTR_OVERFLOW_CLEAR;
3260		WREG32(IH_RB_CNTL, tmp);
3261	}
3262	return (wptr & rdev->ih.ptr_mask);
3263}
3264
3265/*        r600 IV Ring
3266 * Each IV ring entry is 128 bits:
3267 * [7:0]    - interrupt source id
3268 * [31:8]   - reserved
3269 * [59:32]  - interrupt source data
3270 * [127:60]  - reserved
3271 *
3272 * The basic interrupt vector entries
3273 * are decoded as follows:
3274 * src_id  src_data  description
3275 *      1         0  D1 Vblank
3276 *      1         1  D1 Vline
3277 *      5         0  D2 Vblank
3278 *      5         1  D2 Vline
3279 *     19         0  FP Hot plug detection A
3280 *     19         1  FP Hot plug detection B
3281 *     19         2  DAC A auto-detection
3282 *     19         3  DAC B auto-detection
3283 *     21         4  HDMI block A
3284 *     21         5  HDMI block B
3285 *    176         -  CP_INT RB
3286 *    177         -  CP_INT IB1
3287 *    178         -  CP_INT IB2
3288 *    181         -  EOP Interrupt
3289 *    233         -  GUI Idle
3290 *
3291 * Note, these are based on r600 and may need to be
3292 * adjusted or added to on newer asics
3293 */
3294
3295int r600_irq_process(struct radeon_device *rdev)
3296{
3297	u32 wptr;
3298	u32 rptr;
3299	u32 src_id, src_data;
3300	u32 ring_index;
3301	unsigned long flags;
3302	bool queue_hotplug = false;
 
 
3303
3304	if (!rdev->ih.enabled || rdev->shutdown)
3305		return IRQ_NONE;
3306
3307	/* No MSIs, need a dummy read to flush PCI DMAs */
3308	if (!rdev->msi_enabled)
3309		RREG32(IH_RB_WPTR);
3310
3311	wptr = r600_get_ih_wptr(rdev);
3312	rptr = rdev->ih.rptr;
3313	DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3314
3315	spin_lock_irqsave(&rdev->ih.lock, flags);
3316
3317	if (rptr == wptr) {
3318		spin_unlock_irqrestore(&rdev->ih.lock, flags);
 
3319		return IRQ_NONE;
3320	}
3321
3322restart_ih:
 
 
3323	/* Order reading of wptr vs. reading of IH ring data */
3324	rmb();
3325
3326	/* display interrupts */
3327	r600_irq_ack(rdev);
3328
3329	rdev->ih.wptr = wptr;
3330	while (rptr != wptr) {
3331		/* wptr/rptr are in bytes! */
3332		ring_index = rptr / 4;
3333		src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3334		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
3335
3336		switch (src_id) {
3337		case 1: /* D1 vblank/vline */
3338			switch (src_data) {
3339			case 0: /* D1 vblank */
3340				if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
3341					if (rdev->irq.crtc_vblank_int[0]) {
3342						drm_handle_vblank(rdev->ddev, 0);
3343						rdev->pm.vblank_sync = true;
3344						wake_up(&rdev->irq.vblank_queue);
3345					}
3346					if (rdev->irq.pflip[0])
3347						radeon_crtc_handle_flip(rdev, 0);
3348					rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
3349					DRM_DEBUG("IH: D1 vblank\n");
3350				}
 
 
 
 
 
3351				break;
3352			case 1: /* D1 vline */
3353				if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3354					rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
3355					DRM_DEBUG("IH: D1 vline\n");
3356				}
 
 
3357				break;
3358			default:
3359				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3360				break;
3361			}
3362			break;
3363		case 5: /* D2 vblank/vline */
3364			switch (src_data) {
3365			case 0: /* D2 vblank */
3366				if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
3367					if (rdev->irq.crtc_vblank_int[1]) {
3368						drm_handle_vblank(rdev->ddev, 1);
3369						rdev->pm.vblank_sync = true;
3370						wake_up(&rdev->irq.vblank_queue);
3371					}
3372					if (rdev->irq.pflip[1])
3373						radeon_crtc_handle_flip(rdev, 1);
3374					rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
3375					DRM_DEBUG("IH: D2 vblank\n");
3376				}
 
 
 
 
 
3377				break;
3378			case 1: /* D1 vline */
3379				if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3380					rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
3381					DRM_DEBUG("IH: D2 vline\n");
3382				}
 
 
3383				break;
3384			default:
3385				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3386				break;
3387			}
3388			break;
 
 
 
 
 
 
 
 
 
 
3389		case 19: /* HPD/DAC hotplug */
3390			switch (src_data) {
3391			case 0:
3392				if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3393					rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
3394					queue_hotplug = true;
3395					DRM_DEBUG("IH: HPD1\n");
3396				}
 
3397				break;
3398			case 1:
3399				if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3400					rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
3401					queue_hotplug = true;
3402					DRM_DEBUG("IH: HPD2\n");
3403				}
 
3404				break;
3405			case 4:
3406				if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3407					rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
3408					queue_hotplug = true;
3409					DRM_DEBUG("IH: HPD3\n");
3410				}
 
3411				break;
3412			case 5:
3413				if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3414					rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
3415					queue_hotplug = true;
3416					DRM_DEBUG("IH: HPD4\n");
3417				}
 
3418				break;
3419			case 10:
3420				if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3421					rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
3422					queue_hotplug = true;
3423					DRM_DEBUG("IH: HPD5\n");
3424				}
 
3425				break;
3426			case 12:
3427				if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3428					rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
3429					queue_hotplug = true;
3430					DRM_DEBUG("IH: HPD6\n");
3431				}
 
 
3432				break;
3433			default:
3434				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3435				break;
3436			}
3437			break;
3438		case 21: /* HDMI */
3439			DRM_DEBUG("IH: HDMI: 0x%x\n", src_data);
3440			r600_audio_schedule_polling(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3441			break;
3442		case 176: /* CP_INT in ring buffer */
3443		case 177: /* CP_INT in IB1 */
3444		case 178: /* CP_INT in IB2 */
3445			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
3446			radeon_fence_process(rdev);
3447			break;
3448		case 181: /* CP EOP event */
3449			DRM_DEBUG("IH: CP EOP\n");
3450			radeon_fence_process(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3451			break;
3452		case 233: /* GUI IDLE */
3453			DRM_DEBUG("IH: GUI idle\n");
3454			rdev->pm.gui_idle = true;
3455			wake_up(&rdev->irq.idle_queue);
3456			break;
3457		default:
3458			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3459			break;
3460		}
3461
3462		/* wptr/rptr are in bytes! */
3463		rptr += 16;
3464		rptr &= rdev->ih.ptr_mask;
 
3465	}
 
 
 
 
 
 
 
 
 
3466	/* make sure wptr hasn't changed while processing */
3467	wptr = r600_get_ih_wptr(rdev);
3468	if (wptr != rdev->ih.wptr)
3469		goto restart_ih;
3470	if (queue_hotplug)
3471		schedule_work(&rdev->hotplug_work);
3472	rdev->ih.rptr = rptr;
3473	WREG32(IH_RB_RPTR, rdev->ih.rptr);
3474	spin_unlock_irqrestore(&rdev->ih.lock, flags);
3475	return IRQ_HANDLED;
3476}
3477
3478/*
3479 * Debugfs info
3480 */
3481#if defined(CONFIG_DEBUG_FS)
3482
3483static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data)
3484{
3485	struct drm_info_node *node = (struct drm_info_node *) m->private;
3486	struct drm_device *dev = node->minor->dev;
3487	struct radeon_device *rdev = dev->dev_private;
3488	unsigned count, i, j;
3489
3490	radeon_ring_free_size(rdev);
3491	count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw;
3492	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT));
3493	seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR));
3494	seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR));
3495	seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr);
3496	seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr);
3497	seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
3498	seq_printf(m, "%u dwords in ring\n", count);
3499	i = rdev->cp.rptr;
3500	for (j = 0; j <= count; j++) {
3501		seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
3502		i = (i + 1) & rdev->cp.ptr_mask;
3503	}
3504	return 0;
3505}
3506
3507static int r600_debugfs_mc_info(struct seq_file *m, void *data)
3508{
3509	struct drm_info_node *node = (struct drm_info_node *) m->private;
3510	struct drm_device *dev = node->minor->dev;
3511	struct radeon_device *rdev = dev->dev_private;
3512
3513	DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
3514	DREG32_SYS(m, rdev, VM_L2_STATUS);
3515	return 0;
3516}
3517
3518static struct drm_info_list r600_mc_info_list[] = {
3519	{"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
3520	{"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL},
3521};
3522#endif
3523
3524int r600_debugfs_mc_info_init(struct radeon_device *rdev)
3525{
3526#if defined(CONFIG_DEBUG_FS)
3527	return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
3528#else
3529	return 0;
3530#endif
3531}
3532
3533/**
3534 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
3535 * rdev: radeon device structure
3536 * bo: buffer object struct which userspace is waiting for idle
3537 *
3538 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
3539 * through ring buffer, this leads to corruption in rendering, see
3540 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
3541 * directly perform HDP flush by writing register through MMIO.
3542 */
3543void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3544{
3545	/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
3546	 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
3547	 * This seems to cause problems on some AGP cards. Just use the old
3548	 * method for them.
3549	 */
3550	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
3551	    rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
3552		void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3553		u32 tmp;
3554
3555		WREG32(HDP_DEBUG1, 0);
3556		tmp = readl((void __iomem *)ptr);
3557	} else
3558		WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
3559}
3560
3561void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
3562{
3563	u32 link_width_cntl, mask, target_reg;
3564
3565	if (rdev->flags & RADEON_IS_IGP)
3566		return;
3567
3568	if (!(rdev->flags & RADEON_IS_PCIE))
3569		return;
3570
3571	/* x2 cards have a special sequence */
3572	if (ASIC_IS_X2(rdev))
3573		return;
3574
3575	/* FIXME wait for idle */
3576
3577	switch (lanes) {
3578	case 0:
3579		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
3580		break;
3581	case 1:
3582		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
3583		break;
3584	case 2:
3585		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
3586		break;
3587	case 4:
3588		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
3589		break;
3590	case 8:
3591		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
3592		break;
3593	case 12:
 
3594		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
3595		break;
3596	case 16:
3597	default:
3598		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
3599		break;
3600	}
3601
3602	link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3603
3604	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
3605	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
3606		return;
3607
3608	if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
3609		return;
 
3610
3611	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
3612			     RADEON_PCIE_LC_RECONFIG_NOW |
3613			     R600_PCIE_LC_RENEGOTIATE_EN |
3614			     R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
3615	link_width_cntl |= mask;
3616
3617	WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3618
3619        /* some northbridges can renegotiate the link rather than requiring                                  
3620         * a complete re-config.                                                                             
3621         * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)                            
3622         */
3623        if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
3624		link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
3625        else
3626		link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
3627
3628	WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
3629						       RADEON_PCIE_LC_RECONFIG_NOW));
3630
3631        if (rdev->family >= CHIP_RV770)
3632		target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
3633        else
3634		target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
3635
3636        /* wait for lane set to complete */
3637        link_width_cntl = RREG32(target_reg);
3638        while (link_width_cntl == 0xffffffff)
3639		link_width_cntl = RREG32(target_reg);
3640
 
3641}
3642
3643int r600_get_pcie_lanes(struct radeon_device *rdev)
3644{
3645	u32 link_width_cntl;
3646
3647	if (rdev->flags & RADEON_IS_IGP)
3648		return 0;
3649
3650	if (!(rdev->flags & RADEON_IS_PCIE))
3651		return 0;
3652
3653	/* x2 cards have a special sequence */
3654	if (ASIC_IS_X2(rdev))
3655		return 0;
3656
3657	/* FIXME wait for idle */
3658
3659	link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3660
3661	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
3662	case RADEON_PCIE_LC_LINK_WIDTH_X0:
3663		return 0;
3664	case RADEON_PCIE_LC_LINK_WIDTH_X1:
3665		return 1;
3666	case RADEON_PCIE_LC_LINK_WIDTH_X2:
3667		return 2;
3668	case RADEON_PCIE_LC_LINK_WIDTH_X4:
3669		return 4;
3670	case RADEON_PCIE_LC_LINK_WIDTH_X8:
3671		return 8;
 
 
 
 
3672	case RADEON_PCIE_LC_LINK_WIDTH_X16:
3673	default:
3674		return 16;
3675	}
3676}
3677
3678static void r600_pcie_gen2_enable(struct radeon_device *rdev)
3679{
3680	u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
3681	u16 link_cntl2;
3682
3683	if (radeon_pcie_gen2 == 0)
3684		return;
3685
3686	if (rdev->flags & RADEON_IS_IGP)
3687		return;
3688
3689	if (!(rdev->flags & RADEON_IS_PCIE))
3690		return;
3691
3692	/* x2 cards have a special sequence */
3693	if (ASIC_IS_X2(rdev))
3694		return;
3695
3696	/* only RV6xx+ chips are supported */
3697	if (rdev->family <= CHIP_R600)
3698		return;
3699
 
 
 
 
 
 
 
 
 
 
 
 
3700	/* 55 nm r6xx asics */
3701	if ((rdev->family == CHIP_RV670) ||
3702	    (rdev->family == CHIP_RV620) ||
3703	    (rdev->family == CHIP_RV635)) {
3704		/* advertise upconfig capability */
3705		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3706		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3707		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3708		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3709		if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
3710			lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
3711			link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
3712					     LC_RECONFIG_ARC_MISSING_ESCAPE);
3713			link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
3714			WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3715		} else {
3716			link_width_cntl |= LC_UPCONFIGURE_DIS;
3717			WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3718		}
3719	}
3720
3721	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3722	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3723	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3724
3725		/* 55 nm r6xx asics */
3726		if ((rdev->family == CHIP_RV670) ||
3727		    (rdev->family == CHIP_RV620) ||
3728		    (rdev->family == CHIP_RV635)) {
3729			WREG32(MM_CFGREGS_CNTL, 0x8);
3730			link_cntl2 = RREG32(0x4088);
3731			WREG32(MM_CFGREGS_CNTL, 0);
3732			/* not supported yet */
3733			if (link_cntl2 & SELECTABLE_DEEMPHASIS)
3734				return;
3735		}
3736
3737		speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
3738		speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
3739		speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
3740		speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
3741		speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
3742		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3743
3744		tmp = RREG32(0x541c);
3745		WREG32(0x541c, tmp | 0x8);
3746		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
3747		link_cntl2 = RREG16(0x4088);
3748		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
3749		link_cntl2 |= 0x2;
3750		WREG16(0x4088, link_cntl2);
3751		WREG32(MM_CFGREGS_CNTL, 0);
3752
3753		if ((rdev->family == CHIP_RV670) ||
3754		    (rdev->family == CHIP_RV620) ||
3755		    (rdev->family == CHIP_RV635)) {
3756			training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
3757			training_cntl &= ~LC_POINT_7_PLUS_EN;
3758			WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
3759		} else {
3760			speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3761			speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3762			WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3763		}
3764
3765		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3766		speed_cntl |= LC_GEN2_EN_STRAP;
3767		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3768
3769	} else {
3770		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3771		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3772		if (1)
3773			link_width_cntl |= LC_UPCONFIGURE_DIS;
3774		else
3775			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3776		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3777	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3778}
v4.6
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28#include <linux/slab.h>
  29#include <linux/seq_file.h>
  30#include <linux/firmware.h>
  31#include <linux/module.h>
  32#include <drm/drmP.h>
  33#include <drm/radeon_drm.h>
  34#include "radeon.h"
  35#include "radeon_asic.h"
  36#include "radeon_audio.h"
  37#include "radeon_mode.h"
  38#include "r600d.h"
  39#include "atom.h"
  40#include "avivod.h"
  41#include "radeon_ucode.h"
 
 
 
 
 
 
 
 
 
 
  42
  43/* Firmware Names */
  44MODULE_FIRMWARE("radeon/R600_pfp.bin");
  45MODULE_FIRMWARE("radeon/R600_me.bin");
  46MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  47MODULE_FIRMWARE("radeon/RV610_me.bin");
  48MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  49MODULE_FIRMWARE("radeon/RV630_me.bin");
  50MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  51MODULE_FIRMWARE("radeon/RV620_me.bin");
  52MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  53MODULE_FIRMWARE("radeon/RV635_me.bin");
  54MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  55MODULE_FIRMWARE("radeon/RV670_me.bin");
  56MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  57MODULE_FIRMWARE("radeon/RS780_me.bin");
  58MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  59MODULE_FIRMWARE("radeon/RV770_me.bin");
  60MODULE_FIRMWARE("radeon/RV770_smc.bin");
  61MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  62MODULE_FIRMWARE("radeon/RV730_me.bin");
  63MODULE_FIRMWARE("radeon/RV730_smc.bin");
  64MODULE_FIRMWARE("radeon/RV740_smc.bin");
  65MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  66MODULE_FIRMWARE("radeon/RV710_me.bin");
  67MODULE_FIRMWARE("radeon/RV710_smc.bin");
  68MODULE_FIRMWARE("radeon/R600_rlc.bin");
  69MODULE_FIRMWARE("radeon/R700_rlc.bin");
  70MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  71MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  72MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
  73MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
  74MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  75MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  76MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
  77MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
  78MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  79MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  80MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
  81MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
  82MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  83MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  84MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
  85MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
  86MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  87MODULE_FIRMWARE("radeon/PALM_me.bin");
  88MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  89MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  90MODULE_FIRMWARE("radeon/SUMO_me.bin");
  91MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  92MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  93
  94static const u32 crtc_offsets[2] =
  95{
  96	0,
  97	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  98};
  99
 100int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 101
 102/* r600,rv610,rv630,rv620,rv635,rv670 */
 103int r600_mc_wait_for_idle(struct radeon_device *rdev);
 104static void r600_gpu_init(struct radeon_device *rdev);
 105void r600_fini(struct radeon_device *rdev);
 106void r600_irq_disable(struct radeon_device *rdev);
 107static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 108extern int evergreen_rlc_resume(struct radeon_device *rdev);
 109extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
 110
 111/*
 112 * Indirect registers accessor
 113 */
 114u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
 115{
 116	unsigned long flags;
 117	u32 r;
 118
 119	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
 120	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
 121	r = RREG32(R600_RCU_DATA);
 122	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
 123	return r;
 124}
 125
 126void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 127{
 128	unsigned long flags;
 129
 130	spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
 131	WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
 132	WREG32(R600_RCU_DATA, (v));
 133	spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
 134}
 135
 136u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
 137{
 138	unsigned long flags;
 139	u32 r;
 140
 141	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
 142	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
 143	r = RREG32(R600_UVD_CTX_DATA);
 144	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
 145	return r;
 146}
 147
 148void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 149{
 150	unsigned long flags;
 151
 152	spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
 153	WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
 154	WREG32(R600_UVD_CTX_DATA, (v));
 155	spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
 156}
 157
 158/**
 159 * r600_get_allowed_info_register - fetch the register for the info ioctl
 160 *
 161 * @rdev: radeon_device pointer
 162 * @reg: register offset in bytes
 163 * @val: register value
 164 *
 165 * Returns 0 for success or -EINVAL for an invalid register
 166 *
 167 */
 168int r600_get_allowed_info_register(struct radeon_device *rdev,
 169				   u32 reg, u32 *val)
 170{
 171	switch (reg) {
 172	case GRBM_STATUS:
 173	case GRBM_STATUS2:
 174	case R_000E50_SRBM_STATUS:
 175	case DMA_STATUS_REG:
 176	case UVD_STATUS:
 177		*val = RREG32(reg);
 178		return 0;
 179	default:
 180		return -EINVAL;
 181	}
 182}
 183
 184/**
 185 * r600_get_xclk - get the xclk
 186 *
 187 * @rdev: radeon_device pointer
 188 *
 189 * Returns the reference clock used by the gfx engine
 190 * (r6xx, IGPs, APUs).
 191 */
 192u32 r600_get_xclk(struct radeon_device *rdev)
 193{
 194	return rdev->clock.spll.reference_freq;
 195}
 196
 197int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
 198{
 199	unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0;
 200	int r;
 201
 202	/* bypass vclk and dclk with bclk */
 203	WREG32_P(CG_UPLL_FUNC_CNTL_2,
 204		 VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
 205		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
 206
 207	/* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */
 208	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~(
 209		 UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK));
 210
 211	if (rdev->family >= CHIP_RS780)
 212		WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL,
 213			 ~UPLL_BYPASS_CNTL);
 214
 215	if (!vclk || !dclk) {
 216		/* keep the Bypass mode, put PLL to sleep */
 217		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
 218		return 0;
 219	}
 220
 221	if (rdev->clock.spll.reference_freq == 10000)
 222		ref_div = 34;
 223	else
 224		ref_div = 4;
 225
 226	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
 227					  ref_div + 1, 0xFFF, 2, 30, ~0,
 228					  &fb_div, &vclk_div, &dclk_div);
 229	if (r)
 230		return r;
 231
 232	if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780)
 233		fb_div >>= 1;
 234	else
 235		fb_div |= 1;
 236
 237	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
 238	if (r)
 239		return r;
 240
 241	/* assert PLL_RESET */
 242	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
 243
 244	/* For RS780 we have to choose ref clk */
 245	if (rdev->family >= CHIP_RS780)
 246		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK,
 247			 ~UPLL_REFCLK_SRC_SEL_MASK);
 248
 249	/* set the required fb, ref and post divder values */
 250	WREG32_P(CG_UPLL_FUNC_CNTL,
 251		 UPLL_FB_DIV(fb_div) |
 252		 UPLL_REF_DIV(ref_div),
 253		 ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK));
 254	WREG32_P(CG_UPLL_FUNC_CNTL_2,
 255		 UPLL_SW_HILEN(vclk_div >> 1) |
 256		 UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
 257		 UPLL_SW_HILEN2(dclk_div >> 1) |
 258		 UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) |
 259		 UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK,
 260		 ~UPLL_SW_MASK);
 261
 262	/* give the PLL some time to settle */
 263	mdelay(15);
 264
 265	/* deassert PLL_RESET */
 266	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
 267
 268	mdelay(15);
 269
 270	/* deassert BYPASS EN */
 271	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
 272
 273	if (rdev->family >= CHIP_RS780)
 274		WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL);
 275
 276	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
 277	if (r)
 278		return r;
 279
 280	/* switch VCLK and DCLK selection */
 281	WREG32_P(CG_UPLL_FUNC_CNTL_2,
 282		 VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
 283		 ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
 284
 285	mdelay(100);
 286
 287	return 0;
 288}
 289
 290void dce3_program_fmt(struct drm_encoder *encoder)
 291{
 292	struct drm_device *dev = encoder->dev;
 293	struct radeon_device *rdev = dev->dev_private;
 294	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 295	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 296	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 297	int bpc = 0;
 298	u32 tmp = 0;
 299	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 300
 301	if (connector) {
 302		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 303		bpc = radeon_get_monitor_bpc(connector);
 304		dither = radeon_connector->dither;
 305	}
 306
 307	/* LVDS FMT is set up by atom */
 308	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 309		return;
 310
 311	/* not needed for analog */
 312	if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 313	    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 314		return;
 315
 316	if (bpc == 0)
 317		return;
 318
 319	switch (bpc) {
 320	case 6:
 321		if (dither == RADEON_FMT_DITHER_ENABLE)
 322			/* XXX sort out optimal dither settings */
 323			tmp |= FMT_SPATIAL_DITHER_EN;
 324		else
 325			tmp |= FMT_TRUNCATE_EN;
 326		break;
 327	case 8:
 328		if (dither == RADEON_FMT_DITHER_ENABLE)
 329			/* XXX sort out optimal dither settings */
 330			tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
 331		else
 332			tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
 333		break;
 334	case 10:
 335	default:
 336		/* not needed */
 337		break;
 338	}
 339
 340	WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
 341}
 342
 343/* get temperature in millidegrees */
 344int rv6xx_get_temp(struct radeon_device *rdev)
 345{
 346	u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 347		ASIC_T_SHIFT;
 348	int actual_temp = temp & 0xff;
 349
 350	if (temp & 0x100)
 351		actual_temp -= 256;
 352
 353	return actual_temp * 1000;
 354}
 355
 356void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 357{
 358	int i;
 359
 360	rdev->pm.dynpm_can_upclock = true;
 361	rdev->pm.dynpm_can_downclock = true;
 362
 363	/* power state array is low to high, default is first */
 364	if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 365		int min_power_state_index = 0;
 366
 367		if (rdev->pm.num_power_states > 2)
 368			min_power_state_index = 1;
 369
 370		switch (rdev->pm.dynpm_planned_action) {
 371		case DYNPM_ACTION_MINIMUM:
 372			rdev->pm.requested_power_state_index = min_power_state_index;
 373			rdev->pm.requested_clock_mode_index = 0;
 374			rdev->pm.dynpm_can_downclock = false;
 375			break;
 376		case DYNPM_ACTION_DOWNCLOCK:
 377			if (rdev->pm.current_power_state_index == min_power_state_index) {
 378				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 379				rdev->pm.dynpm_can_downclock = false;
 380			} else {
 381				if (rdev->pm.active_crtc_count > 1) {
 382					for (i = 0; i < rdev->pm.num_power_states; i++) {
 383						if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 384							continue;
 385						else if (i >= rdev->pm.current_power_state_index) {
 386							rdev->pm.requested_power_state_index =
 387								rdev->pm.current_power_state_index;
 388							break;
 389						} else {
 390							rdev->pm.requested_power_state_index = i;
 391							break;
 392						}
 393					}
 394				} else {
 395					if (rdev->pm.current_power_state_index == 0)
 396						rdev->pm.requested_power_state_index =
 397							rdev->pm.num_power_states - 1;
 398					else
 399						rdev->pm.requested_power_state_index =
 400							rdev->pm.current_power_state_index - 1;
 401				}
 402			}
 403			rdev->pm.requested_clock_mode_index = 0;
 404			/* don't use the power state if crtcs are active and no display flag is set */
 405			if ((rdev->pm.active_crtc_count > 0) &&
 406			    (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 407			     clock_info[rdev->pm.requested_clock_mode_index].flags &
 408			     RADEON_PM_MODE_NO_DISPLAY)) {
 409				rdev->pm.requested_power_state_index++;
 410			}
 411			break;
 412		case DYNPM_ACTION_UPCLOCK:
 413			if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 414				rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 415				rdev->pm.dynpm_can_upclock = false;
 416			} else {
 417				if (rdev->pm.active_crtc_count > 1) {
 418					for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 419						if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 420							continue;
 421						else if (i <= rdev->pm.current_power_state_index) {
 422							rdev->pm.requested_power_state_index =
 423								rdev->pm.current_power_state_index;
 424							break;
 425						} else {
 426							rdev->pm.requested_power_state_index = i;
 427							break;
 428						}
 429					}
 430				} else
 431					rdev->pm.requested_power_state_index =
 432						rdev->pm.current_power_state_index + 1;
 433			}
 434			rdev->pm.requested_clock_mode_index = 0;
 435			break;
 436		case DYNPM_ACTION_DEFAULT:
 437			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 438			rdev->pm.requested_clock_mode_index = 0;
 439			rdev->pm.dynpm_can_upclock = false;
 440			break;
 441		case DYNPM_ACTION_NONE:
 442		default:
 443			DRM_ERROR("Requested mode for not defined action\n");
 444			return;
 445		}
 446	} else {
 447		/* XXX select a power state based on AC/DC, single/dualhead, etc. */
 448		/* for now just select the first power state and switch between clock modes */
 449		/* power state array is low to high, default is first (0) */
 450		if (rdev->pm.active_crtc_count > 1) {
 451			rdev->pm.requested_power_state_index = -1;
 452			/* start at 1 as we don't want the default mode */
 453			for (i = 1; i < rdev->pm.num_power_states; i++) {
 454				if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 455					continue;
 456				else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 457					 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 458					rdev->pm.requested_power_state_index = i;
 459					break;
 460				}
 461			}
 462			/* if nothing selected, grab the default state. */
 463			if (rdev->pm.requested_power_state_index == -1)
 464				rdev->pm.requested_power_state_index = 0;
 465		} else
 466			rdev->pm.requested_power_state_index = 1;
 467
 468		switch (rdev->pm.dynpm_planned_action) {
 469		case DYNPM_ACTION_MINIMUM:
 470			rdev->pm.requested_clock_mode_index = 0;
 471			rdev->pm.dynpm_can_downclock = false;
 472			break;
 473		case DYNPM_ACTION_DOWNCLOCK:
 474			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 475				if (rdev->pm.current_clock_mode_index == 0) {
 476					rdev->pm.requested_clock_mode_index = 0;
 477					rdev->pm.dynpm_can_downclock = false;
 478				} else
 479					rdev->pm.requested_clock_mode_index =
 480						rdev->pm.current_clock_mode_index - 1;
 481			} else {
 482				rdev->pm.requested_clock_mode_index = 0;
 483				rdev->pm.dynpm_can_downclock = false;
 484			}
 485			/* don't use the power state if crtcs are active and no display flag is set */
 486			if ((rdev->pm.active_crtc_count > 0) &&
 487			    (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 488			     clock_info[rdev->pm.requested_clock_mode_index].flags &
 489			     RADEON_PM_MODE_NO_DISPLAY)) {
 490				rdev->pm.requested_clock_mode_index++;
 491			}
 492			break;
 493		case DYNPM_ACTION_UPCLOCK:
 494			if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 495				if (rdev->pm.current_clock_mode_index ==
 496				    (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 497					rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 498					rdev->pm.dynpm_can_upclock = false;
 499				} else
 500					rdev->pm.requested_clock_mode_index =
 501						rdev->pm.current_clock_mode_index + 1;
 502			} else {
 503				rdev->pm.requested_clock_mode_index =
 504					rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 505				rdev->pm.dynpm_can_upclock = false;
 506			}
 507			break;
 508		case DYNPM_ACTION_DEFAULT:
 509			rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 510			rdev->pm.requested_clock_mode_index = 0;
 511			rdev->pm.dynpm_can_upclock = false;
 512			break;
 513		case DYNPM_ACTION_NONE:
 514		default:
 515			DRM_ERROR("Requested mode for not defined action\n");
 516			return;
 517		}
 518	}
 519
 520	DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 521		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 522		  clock_info[rdev->pm.requested_clock_mode_index].sclk,
 523		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 524		  clock_info[rdev->pm.requested_clock_mode_index].mclk,
 525		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 526		  pcie_lanes);
 527}
 528
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 529void rs780_pm_init_profile(struct radeon_device *rdev)
 530{
 531	if (rdev->pm.num_power_states == 2) {
 532		/* default */
 533		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 534		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 535		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 536		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 537		/* low sh */
 538		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 539		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 540		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 541		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 542		/* mid sh */
 543		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 544		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 545		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 546		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 547		/* high sh */
 548		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 549		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 550		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 551		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 552		/* low mh */
 553		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 554		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 555		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 556		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 557		/* mid mh */
 558		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 559		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 560		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 561		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 562		/* high mh */
 563		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 564		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 565		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 566		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 567	} else if (rdev->pm.num_power_states == 3) {
 568		/* default */
 569		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 570		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 571		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 572		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 573		/* low sh */
 574		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 575		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 576		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 577		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 578		/* mid sh */
 579		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 580		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 581		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 582		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 583		/* high sh */
 584		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 585		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 586		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 587		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 588		/* low mh */
 589		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 590		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 591		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 592		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 593		/* mid mh */
 594		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 595		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 596		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 597		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 598		/* high mh */
 599		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 600		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 601		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 602		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 603	} else {
 604		/* default */
 605		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 606		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 607		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 608		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 609		/* low sh */
 610		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 611		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 612		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 613		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 614		/* mid sh */
 615		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 616		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 617		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 618		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 619		/* high sh */
 620		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 621		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 622		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 623		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 624		/* low mh */
 625		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 626		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 627		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 628		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 629		/* mid mh */
 630		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 631		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 632		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 633		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 634		/* high mh */
 635		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 636		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 637		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 638		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 639	}
 640}
 641
 642void r600_pm_init_profile(struct radeon_device *rdev)
 643{
 644	int idx;
 645
 646	if (rdev->family == CHIP_R600) {
 647		/* XXX */
 648		/* default */
 649		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 650		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 651		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 652		rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 653		/* low sh */
 654		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 655		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 656		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 657		rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 658		/* mid sh */
 659		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 660		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 661		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 662		rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 663		/* high sh */
 664		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 665		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 666		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 667		rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 668		/* low mh */
 669		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 670		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 671		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 672		rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 673		/* mid mh */
 674		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 675		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 676		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 677		rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 678		/* high mh */
 679		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 680		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 681		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 682		rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 683	} else {
 684		if (rdev->pm.num_power_states < 4) {
 685			/* default */
 686			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 687			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 688			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 689			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 690			/* low sh */
 691			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 692			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 693			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 694			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 695			/* mid sh */
 696			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 697			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 698			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 699			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 700			/* high sh */
 701			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 702			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 703			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 704			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 705			/* low mh */
 706			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 707			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 708			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 709			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 710			/* low mh */
 711			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 712			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 713			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 714			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 715			/* high mh */
 716			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 717			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 718			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 719			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 720		} else {
 721			/* default */
 722			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 723			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 724			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 725			rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 726			/* low sh */
 727			if (rdev->flags & RADEON_IS_MOBILITY)
 728				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 729			else
 730				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 731			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
 732			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
 733			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 734			rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 
 
 
 
 
 
 
 735			/* mid sh */
 736			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
 737			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
 738			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 739			rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 
 
 
 
 
 
 
 
 
 
 
 740			/* high sh */
 741			idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 742			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
 743			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 
 744			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 745			rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 746			/* low mh */
 747			if (rdev->flags & RADEON_IS_MOBILITY)
 748				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 749			else
 750				idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 751			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
 752			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
 753			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 754			rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 
 
 
 
 
 
 
 755			/* mid mh */
 756			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
 757			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
 758			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 759			rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 
 
 
 
 
 
 
 
 
 
 
 760			/* high mh */
 761			idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 762			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
 763			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 
 764			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 765			rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 766		}
 767	}
 768}
 769
 770void r600_pm_misc(struct radeon_device *rdev)
 771{
 772	int req_ps_idx = rdev->pm.requested_power_state_index;
 773	int req_cm_idx = rdev->pm.requested_clock_mode_index;
 774	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 775	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 776
 777	if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 778		/* 0xff01 is a flag rather then an actual voltage */
 779		if (voltage->voltage == 0xff01)
 780			return;
 781		if (voltage->voltage != rdev->pm.current_vddc) {
 782			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 783			rdev->pm.current_vddc = voltage->voltage;
 784			DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 785		}
 786	}
 787}
 788
 789bool r600_gui_idle(struct radeon_device *rdev)
 790{
 791	if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 792		return false;
 793	else
 794		return true;
 795}
 796
 797/* hpd for digital panel detect/disconnect */
 798bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 799{
 800	bool connected = false;
 801
 802	if (ASIC_IS_DCE3(rdev)) {
 803		switch (hpd) {
 804		case RADEON_HPD_1:
 805			if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 806				connected = true;
 807			break;
 808		case RADEON_HPD_2:
 809			if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 810				connected = true;
 811			break;
 812		case RADEON_HPD_3:
 813			if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 814				connected = true;
 815			break;
 816		case RADEON_HPD_4:
 817			if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 818				connected = true;
 819			break;
 820			/* DCE 3.2 */
 821		case RADEON_HPD_5:
 822			if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 823				connected = true;
 824			break;
 825		case RADEON_HPD_6:
 826			if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 827				connected = true;
 828			break;
 829		default:
 830			break;
 831		}
 832	} else {
 833		switch (hpd) {
 834		case RADEON_HPD_1:
 835			if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 836				connected = true;
 837			break;
 838		case RADEON_HPD_2:
 839			if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 840				connected = true;
 841			break;
 842		case RADEON_HPD_3:
 843			if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 844				connected = true;
 845			break;
 846		default:
 847			break;
 848		}
 849	}
 850	return connected;
 851}
 852
 853void r600_hpd_set_polarity(struct radeon_device *rdev,
 854			   enum radeon_hpd_id hpd)
 855{
 856	u32 tmp;
 857	bool connected = r600_hpd_sense(rdev, hpd);
 858
 859	if (ASIC_IS_DCE3(rdev)) {
 860		switch (hpd) {
 861		case RADEON_HPD_1:
 862			tmp = RREG32(DC_HPD1_INT_CONTROL);
 863			if (connected)
 864				tmp &= ~DC_HPDx_INT_POLARITY;
 865			else
 866				tmp |= DC_HPDx_INT_POLARITY;
 867			WREG32(DC_HPD1_INT_CONTROL, tmp);
 868			break;
 869		case RADEON_HPD_2:
 870			tmp = RREG32(DC_HPD2_INT_CONTROL);
 871			if (connected)
 872				tmp &= ~DC_HPDx_INT_POLARITY;
 873			else
 874				tmp |= DC_HPDx_INT_POLARITY;
 875			WREG32(DC_HPD2_INT_CONTROL, tmp);
 876			break;
 877		case RADEON_HPD_3:
 878			tmp = RREG32(DC_HPD3_INT_CONTROL);
 879			if (connected)
 880				tmp &= ~DC_HPDx_INT_POLARITY;
 881			else
 882				tmp |= DC_HPDx_INT_POLARITY;
 883			WREG32(DC_HPD3_INT_CONTROL, tmp);
 884			break;
 885		case RADEON_HPD_4:
 886			tmp = RREG32(DC_HPD4_INT_CONTROL);
 887			if (connected)
 888				tmp &= ~DC_HPDx_INT_POLARITY;
 889			else
 890				tmp |= DC_HPDx_INT_POLARITY;
 891			WREG32(DC_HPD4_INT_CONTROL, tmp);
 892			break;
 893		case RADEON_HPD_5:
 894			tmp = RREG32(DC_HPD5_INT_CONTROL);
 895			if (connected)
 896				tmp &= ~DC_HPDx_INT_POLARITY;
 897			else
 898				tmp |= DC_HPDx_INT_POLARITY;
 899			WREG32(DC_HPD5_INT_CONTROL, tmp);
 900			break;
 901			/* DCE 3.2 */
 902		case RADEON_HPD_6:
 903			tmp = RREG32(DC_HPD6_INT_CONTROL);
 904			if (connected)
 905				tmp &= ~DC_HPDx_INT_POLARITY;
 906			else
 907				tmp |= DC_HPDx_INT_POLARITY;
 908			WREG32(DC_HPD6_INT_CONTROL, tmp);
 909			break;
 910		default:
 911			break;
 912		}
 913	} else {
 914		switch (hpd) {
 915		case RADEON_HPD_1:
 916			tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 917			if (connected)
 918				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 919			else
 920				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 921			WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 922			break;
 923		case RADEON_HPD_2:
 924			tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 925			if (connected)
 926				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 927			else
 928				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 929			WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 930			break;
 931		case RADEON_HPD_3:
 932			tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 933			if (connected)
 934				tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 935			else
 936				tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 937			WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 938			break;
 939		default:
 940			break;
 941		}
 942	}
 943}
 944
 945void r600_hpd_init(struct radeon_device *rdev)
 946{
 947	struct drm_device *dev = rdev->ddev;
 948	struct drm_connector *connector;
 949	unsigned enable = 0;
 950
 951	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 952		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 953
 954		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 955		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 956			/* don't try to enable hpd on eDP or LVDS avoid breaking the
 957			 * aux dp channel on imac and help (but not completely fix)
 958			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 959			 */
 960			continue;
 961		}
 962		if (ASIC_IS_DCE3(rdev)) {
 963			u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 964			if (ASIC_IS_DCE32(rdev))
 965				tmp |= DC_HPDx_EN;
 966
 
 
 967			switch (radeon_connector->hpd.hpd) {
 968			case RADEON_HPD_1:
 969				WREG32(DC_HPD1_CONTROL, tmp);
 
 970				break;
 971			case RADEON_HPD_2:
 972				WREG32(DC_HPD2_CONTROL, tmp);
 
 973				break;
 974			case RADEON_HPD_3:
 975				WREG32(DC_HPD3_CONTROL, tmp);
 
 976				break;
 977			case RADEON_HPD_4:
 978				WREG32(DC_HPD4_CONTROL, tmp);
 
 979				break;
 980				/* DCE 3.2 */
 981			case RADEON_HPD_5:
 982				WREG32(DC_HPD5_CONTROL, tmp);
 
 983				break;
 984			case RADEON_HPD_6:
 985				WREG32(DC_HPD6_CONTROL, tmp);
 
 986				break;
 987			default:
 988				break;
 989			}
 990		} else {
 
 
 
 991			switch (radeon_connector->hpd.hpd) {
 992			case RADEON_HPD_1:
 993				WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 
 994				break;
 995			case RADEON_HPD_2:
 996				WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 
 997				break;
 998			case RADEON_HPD_3:
 999				WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 
1000				break;
1001			default:
1002				break;
1003			}
1004		}
1005		enable |= 1 << radeon_connector->hpd.hpd;
1006		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
1007	}
1008	radeon_irq_kms_enable_hpd(rdev, enable);
 
1009}
1010
1011void r600_hpd_fini(struct radeon_device *rdev)
1012{
1013	struct drm_device *dev = rdev->ddev;
1014	struct drm_connector *connector;
1015	unsigned disable = 0;
1016
1017	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1018		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1019		if (ASIC_IS_DCE3(rdev)) {
1020			switch (radeon_connector->hpd.hpd) {
1021			case RADEON_HPD_1:
1022				WREG32(DC_HPD1_CONTROL, 0);
 
1023				break;
1024			case RADEON_HPD_2:
1025				WREG32(DC_HPD2_CONTROL, 0);
 
1026				break;
1027			case RADEON_HPD_3:
1028				WREG32(DC_HPD3_CONTROL, 0);
 
1029				break;
1030			case RADEON_HPD_4:
1031				WREG32(DC_HPD4_CONTROL, 0);
 
1032				break;
1033				/* DCE 3.2 */
1034			case RADEON_HPD_5:
1035				WREG32(DC_HPD5_CONTROL, 0);
 
1036				break;
1037			case RADEON_HPD_6:
1038				WREG32(DC_HPD6_CONTROL, 0);
 
1039				break;
1040			default:
1041				break;
1042			}
1043		} else {
 
 
 
1044			switch (radeon_connector->hpd.hpd) {
1045			case RADEON_HPD_1:
1046				WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
 
1047				break;
1048			case RADEON_HPD_2:
1049				WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
 
1050				break;
1051			case RADEON_HPD_3:
1052				WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
 
1053				break;
1054			default:
1055				break;
1056			}
1057		}
1058		disable |= 1 << radeon_connector->hpd.hpd;
1059	}
1060	radeon_irq_kms_disable_hpd(rdev, disable);
1061}
1062
1063/*
1064 * R600 PCIE GART
1065 */
1066void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
1067{
1068	unsigned i;
1069	u32 tmp;
1070
1071	/* flush hdp cache so updates hit vram */
1072	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
1073	    !(rdev->flags & RADEON_IS_AGP)) {
1074		void __iomem *ptr = (void *)rdev->gart.ptr;
1075		u32 tmp;
1076
1077		/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
1078		 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
1079		 * This seems to cause problems on some AGP cards. Just use the old
1080		 * method for them.
1081		 */
1082		WREG32(HDP_DEBUG1, 0);
1083		tmp = readl((void __iomem *)ptr);
1084	} else
1085		WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1086
1087	WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
1088	WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
1089	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
1090	for (i = 0; i < rdev->usec_timeout; i++) {
1091		/* read MC_STATUS */
1092		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
1093		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
1094		if (tmp == 2) {
1095			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
1096			return;
1097		}
1098		if (tmp) {
1099			return;
1100		}
1101		udelay(1);
1102	}
1103}
1104
1105int r600_pcie_gart_init(struct radeon_device *rdev)
1106{
1107	int r;
1108
1109	if (rdev->gart.robj) {
1110		WARN(1, "R600 PCIE GART already initialized\n");
1111		return 0;
1112	}
1113	/* Initialize common gart structure */
1114	r = radeon_gart_init(rdev);
1115	if (r)
1116		return r;
1117	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
1118	return radeon_gart_table_vram_alloc(rdev);
1119}
1120
1121static int r600_pcie_gart_enable(struct radeon_device *rdev)
1122{
1123	u32 tmp;
1124	int r, i;
1125
1126	if (rdev->gart.robj == NULL) {
1127		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1128		return -EINVAL;
1129	}
1130	r = radeon_gart_table_vram_pin(rdev);
1131	if (r)
1132		return r;
 
1133
1134	/* Setup L2 cache */
1135	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1136				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1137				EFFECTIVE_L2_QUEUE_SIZE(7));
1138	WREG32(VM_L2_CNTL2, 0);
1139	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1140	/* Setup TLB control */
1141	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1142		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1143		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1144		ENABLE_WAIT_L2_QUERY;
1145	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1146	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1147	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1148	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1149	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1150	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1151	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1152	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1153	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1154	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1155	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1156	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1157	WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1158	WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1159	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1160	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1161	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1162	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1163	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1164	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1165				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1166	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1167			(u32)(rdev->dummy_page.addr >> 12));
1168	for (i = 1; i < 7; i++)
1169		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1170
1171	r600_pcie_gart_tlb_flush(rdev);
1172	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1173		 (unsigned)(rdev->mc.gtt_size >> 20),
1174		 (unsigned long long)rdev->gart.table_addr);
1175	rdev->gart.ready = true;
1176	return 0;
1177}
1178
1179static void r600_pcie_gart_disable(struct radeon_device *rdev)
1180{
1181	u32 tmp;
1182	int i;
1183
1184	/* Disable all tables */
1185	for (i = 0; i < 7; i++)
1186		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1187
1188	/* Disable L2 cache */
1189	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1190				EFFECTIVE_L2_QUEUE_SIZE(7));
1191	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1192	/* Setup L1 TLB control */
1193	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1194		ENABLE_WAIT_L2_QUERY;
1195	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1196	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1197	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1198	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1199	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1200	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1201	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1202	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1203	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1204	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1205	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1206	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1207	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1208	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1209	WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1210	WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1211	radeon_gart_table_vram_unpin(rdev);
 
 
 
 
 
1212}
1213
1214static void r600_pcie_gart_fini(struct radeon_device *rdev)
1215{
1216	radeon_gart_fini(rdev);
1217	r600_pcie_gart_disable(rdev);
1218	radeon_gart_table_vram_free(rdev);
1219}
1220
1221static void r600_agp_enable(struct radeon_device *rdev)
1222{
1223	u32 tmp;
1224	int i;
1225
1226	/* Setup L2 cache */
1227	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1228				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1229				EFFECTIVE_L2_QUEUE_SIZE(7));
1230	WREG32(VM_L2_CNTL2, 0);
1231	WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1232	/* Setup TLB control */
1233	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1234		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1235		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1236		ENABLE_WAIT_L2_QUERY;
1237	WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1238	WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1239	WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1240	WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1241	WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1242	WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1243	WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1244	WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1245	WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1246	WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1247	WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1248	WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1249	WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1250	WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1251	for (i = 0; i < 7; i++)
1252		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1253}
1254
1255int r600_mc_wait_for_idle(struct radeon_device *rdev)
1256{
1257	unsigned i;
1258	u32 tmp;
1259
1260	for (i = 0; i < rdev->usec_timeout; i++) {
1261		/* read MC_STATUS */
1262		tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1263		if (!tmp)
1264			return 0;
1265		udelay(1);
1266	}
1267	return -1;
1268}
1269
1270uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1271{
1272	unsigned long flags;
1273	uint32_t r;
1274
1275	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1276	WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1277	r = RREG32(R_0028FC_MC_DATA);
1278	WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1279	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1280	return r;
1281}
1282
1283void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1284{
1285	unsigned long flags;
1286
1287	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1288	WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1289		S_0028F8_MC_IND_WR_EN(1));
1290	WREG32(R_0028FC_MC_DATA, v);
1291	WREG32(R_0028F8_MC_INDEX, 0x7F);
1292	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1293}
1294
1295static void r600_mc_program(struct radeon_device *rdev)
1296{
1297	struct rv515_mc_save save;
1298	u32 tmp;
1299	int i, j;
1300
1301	/* Initialize HDP */
1302	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1303		WREG32((0x2c14 + j), 0x00000000);
1304		WREG32((0x2c18 + j), 0x00000000);
1305		WREG32((0x2c1c + j), 0x00000000);
1306		WREG32((0x2c20 + j), 0x00000000);
1307		WREG32((0x2c24 + j), 0x00000000);
1308	}
1309	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1310
1311	rv515_mc_stop(rdev, &save);
1312	if (r600_mc_wait_for_idle(rdev)) {
1313		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1314	}
1315	/* Lockout access through VGA aperture (doesn't exist before R600) */
1316	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1317	/* Update configuration */
1318	if (rdev->flags & RADEON_IS_AGP) {
1319		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1320			/* VRAM before AGP */
1321			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1322				rdev->mc.vram_start >> 12);
1323			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1324				rdev->mc.gtt_end >> 12);
1325		} else {
1326			/* VRAM after AGP */
1327			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1328				rdev->mc.gtt_start >> 12);
1329			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1330				rdev->mc.vram_end >> 12);
1331		}
1332	} else {
1333		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1334		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1335	}
1336	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1337	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1338	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1339	WREG32(MC_VM_FB_LOCATION, tmp);
1340	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1341	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1342	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1343	if (rdev->flags & RADEON_IS_AGP) {
1344		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1345		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1346		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1347	} else {
1348		WREG32(MC_VM_AGP_BASE, 0);
1349		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1350		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1351	}
1352	if (r600_mc_wait_for_idle(rdev)) {
1353		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1354	}
1355	rv515_mc_resume(rdev, &save);
1356	/* we need to own VRAM, so turn off the VGA renderer here
1357	 * to stop it overwriting our objects */
1358	rv515_vga_render_disable(rdev);
1359}
1360
1361/**
1362 * r600_vram_gtt_location - try to find VRAM & GTT location
1363 * @rdev: radeon device structure holding all necessary informations
1364 * @mc: memory controller structure holding memory informations
1365 *
1366 * Function will place try to place VRAM at same place as in CPU (PCI)
1367 * address space as some GPU seems to have issue when we reprogram at
1368 * different address space.
1369 *
1370 * If there is not enough space to fit the unvisible VRAM after the
1371 * aperture then we limit the VRAM size to the aperture.
1372 *
1373 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1374 * them to be in one from GPU point of view so that we can program GPU to
1375 * catch access outside them (weird GPU policy see ??).
1376 *
1377 * This function will never fails, worst case are limiting VRAM or GTT.
1378 *
1379 * Note: GTT start, end, size should be initialized before calling this
1380 * function on AGP platform.
1381 */
1382static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1383{
1384	u64 size_bf, size_af;
1385
1386	if (mc->mc_vram_size > 0xE0000000) {
1387		/* leave room for at least 512M GTT */
1388		dev_warn(rdev->dev, "limiting VRAM\n");
1389		mc->real_vram_size = 0xE0000000;
1390		mc->mc_vram_size = 0xE0000000;
1391	}
1392	if (rdev->flags & RADEON_IS_AGP) {
1393		size_bf = mc->gtt_start;
1394		size_af = mc->mc_mask - mc->gtt_end;
1395		if (size_bf > size_af) {
1396			if (mc->mc_vram_size > size_bf) {
1397				dev_warn(rdev->dev, "limiting VRAM\n");
1398				mc->real_vram_size = size_bf;
1399				mc->mc_vram_size = size_bf;
1400			}
1401			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1402		} else {
1403			if (mc->mc_vram_size > size_af) {
1404				dev_warn(rdev->dev, "limiting VRAM\n");
1405				mc->real_vram_size = size_af;
1406				mc->mc_vram_size = size_af;
1407			}
1408			mc->vram_start = mc->gtt_end + 1;
1409		}
1410		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1411		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1412				mc->mc_vram_size >> 20, mc->vram_start,
1413				mc->vram_end, mc->real_vram_size >> 20);
1414	} else {
1415		u64 base = 0;
1416		if (rdev->flags & RADEON_IS_IGP) {
1417			base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1418			base <<= 24;
1419		}
1420		radeon_vram_location(rdev, &rdev->mc, base);
1421		rdev->mc.gtt_base_align = 0;
1422		radeon_gtt_location(rdev, mc);
1423	}
1424}
1425
1426static int r600_mc_init(struct radeon_device *rdev)
1427{
1428	u32 tmp;
1429	int chansize, numchan;
1430	uint32_t h_addr, l_addr;
1431	unsigned long long k8_addr;
1432
1433	/* Get VRAM informations */
1434	rdev->mc.vram_is_ddr = true;
1435	tmp = RREG32(RAMCFG);
1436	if (tmp & CHANSIZE_OVERRIDE) {
1437		chansize = 16;
1438	} else if (tmp & CHANSIZE_MASK) {
1439		chansize = 64;
1440	} else {
1441		chansize = 32;
1442	}
1443	tmp = RREG32(CHMAP);
1444	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1445	case 0:
1446	default:
1447		numchan = 1;
1448		break;
1449	case 1:
1450		numchan = 2;
1451		break;
1452	case 2:
1453		numchan = 4;
1454		break;
1455	case 3:
1456		numchan = 8;
1457		break;
1458	}
1459	rdev->mc.vram_width = numchan * chansize;
1460	/* Could aper size report 0 ? */
1461	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1462	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1463	/* Setup GPU memory space */
1464	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1465	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1466	rdev->mc.visible_vram_size = rdev->mc.aper_size;
1467	r600_vram_gtt_location(rdev, &rdev->mc);
1468
1469	if (rdev->flags & RADEON_IS_IGP) {
1470		rs690_pm_info(rdev);
1471		rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1472
1473		if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1474			/* Use K8 direct mapping for fast fb access. */
1475			rdev->fastfb_working = false;
1476			h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1477			l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1478			k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1479#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1480			if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1481#endif
1482			{
1483				/* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1484		 		* memory is present.
1485		 		*/
1486				if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1487					DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1488						(unsigned long long)rdev->mc.aper_base, k8_addr);
1489					rdev->mc.aper_base = (resource_size_t)k8_addr;
1490					rdev->fastfb_working = true;
1491				}
1492			}
1493		}
1494	}
1495
1496	radeon_update_bandwidth_info(rdev);
1497	return 0;
1498}
1499
1500int r600_vram_scratch_init(struct radeon_device *rdev)
1501{
1502	int r;
1503
1504	if (rdev->vram_scratch.robj == NULL) {
1505		r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1506				     PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1507				     0, NULL, NULL, &rdev->vram_scratch.robj);
1508		if (r) {
1509			return r;
1510		}
1511	}
1512
1513	r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1514	if (unlikely(r != 0))
1515		return r;
1516	r = radeon_bo_pin(rdev->vram_scratch.robj,
1517			  RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1518	if (r) {
1519		radeon_bo_unreserve(rdev->vram_scratch.robj);
1520		return r;
1521	}
1522	r = radeon_bo_kmap(rdev->vram_scratch.robj,
1523				(void **)&rdev->vram_scratch.ptr);
1524	if (r)
1525		radeon_bo_unpin(rdev->vram_scratch.robj);
1526	radeon_bo_unreserve(rdev->vram_scratch.robj);
1527
1528	return r;
1529}
1530
1531void r600_vram_scratch_fini(struct radeon_device *rdev)
1532{
1533	int r;
1534
1535	if (rdev->vram_scratch.robj == NULL) {
1536		return;
1537	}
1538	r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1539	if (likely(r == 0)) {
1540		radeon_bo_kunmap(rdev->vram_scratch.robj);
1541		radeon_bo_unpin(rdev->vram_scratch.robj);
1542		radeon_bo_unreserve(rdev->vram_scratch.robj);
1543	}
1544	radeon_bo_unref(&rdev->vram_scratch.robj);
1545}
1546
1547void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1548{
1549	u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1550
1551	if (hung)
1552		tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1553	else
1554		tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1555
1556	WREG32(R600_BIOS_3_SCRATCH, tmp);
1557}
1558
1559static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1560{
1561	dev_info(rdev->dev, "  R_008010_GRBM_STATUS      = 0x%08X\n",
1562		 RREG32(R_008010_GRBM_STATUS));
1563	dev_info(rdev->dev, "  R_008014_GRBM_STATUS2     = 0x%08X\n",
1564		 RREG32(R_008014_GRBM_STATUS2));
1565	dev_info(rdev->dev, "  R_000E50_SRBM_STATUS      = 0x%08X\n",
1566		 RREG32(R_000E50_SRBM_STATUS));
1567	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1568		 RREG32(CP_STALLED_STAT1));
1569	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1570		 RREG32(CP_STALLED_STAT2));
1571	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1572		 RREG32(CP_BUSY_STAT));
1573	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1574		 RREG32(CP_STAT));
1575	dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
1576		RREG32(DMA_STATUS_REG));
1577}
1578
1579static bool r600_is_display_hung(struct radeon_device *rdev)
1580{
1581	u32 crtc_hung = 0;
1582	u32 crtc_status[2];
1583	u32 i, j, tmp;
1584
1585	for (i = 0; i < rdev->num_crtc; i++) {
1586		if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1587			crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1588			crtc_hung |= (1 << i);
1589		}
1590	}
1591
1592	for (j = 0; j < 10; j++) {
1593		for (i = 0; i < rdev->num_crtc; i++) {
1594			if (crtc_hung & (1 << i)) {
1595				tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1596				if (tmp != crtc_status[i])
1597					crtc_hung &= ~(1 << i);
1598			}
1599		}
1600		if (crtc_hung == 0)
1601			return false;
1602		udelay(100);
1603	}
1604
1605	return true;
1606}
1607
1608u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1609{
1610	u32 reset_mask = 0;
1611	u32 tmp;
1612
1613	/* GRBM_STATUS */
1614	tmp = RREG32(R_008010_GRBM_STATUS);
1615	if (rdev->family >= CHIP_RV770) {
1616		if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1617		    G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1618		    G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1619		    G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1620		    G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1621			reset_mask |= RADEON_RESET_GFX;
1622	} else {
1623		if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1624		    G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1625		    G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1626		    G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1627		    G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1628			reset_mask |= RADEON_RESET_GFX;
1629	}
1630
1631	if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1632	    G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1633		reset_mask |= RADEON_RESET_CP;
1634
1635	if (G_008010_GRBM_EE_BUSY(tmp))
1636		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1637
1638	/* DMA_STATUS_REG */
1639	tmp = RREG32(DMA_STATUS_REG);
1640	if (!(tmp & DMA_IDLE))
1641		reset_mask |= RADEON_RESET_DMA;
1642
1643	/* SRBM_STATUS */
1644	tmp = RREG32(R_000E50_SRBM_STATUS);
1645	if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1646		reset_mask |= RADEON_RESET_RLC;
1647
1648	if (G_000E50_IH_BUSY(tmp))
1649		reset_mask |= RADEON_RESET_IH;
1650
1651	if (G_000E50_SEM_BUSY(tmp))
1652		reset_mask |= RADEON_RESET_SEM;
1653
1654	if (G_000E50_GRBM_RQ_PENDING(tmp))
1655		reset_mask |= RADEON_RESET_GRBM;
1656
1657	if (G_000E50_VMC_BUSY(tmp))
1658		reset_mask |= RADEON_RESET_VMC;
1659
1660	if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1661	    G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1662	    G_000E50_MCDW_BUSY(tmp))
1663		reset_mask |= RADEON_RESET_MC;
1664
1665	if (r600_is_display_hung(rdev))
1666		reset_mask |= RADEON_RESET_DISPLAY;
1667
1668	/* Skip MC reset as it's mostly likely not hung, just busy */
1669	if (reset_mask & RADEON_RESET_MC) {
1670		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1671		reset_mask &= ~RADEON_RESET_MC;
1672	}
1673
1674	return reset_mask;
1675}
1676
1677static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1678{
1679	struct rv515_mc_save save;
1680	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1681	u32 tmp;
1682
1683	if (reset_mask == 0)
1684		return;
1685
1686	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1687
1688	r600_print_gpu_status_regs(rdev);
1689
1690	/* Disable CP parsing/prefetching */
1691	if (rdev->family >= CHIP_RV770)
1692		WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1693	else
1694		WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1695
1696	/* disable the RLC */
1697	WREG32(RLC_CNTL, 0);
1698
1699	if (reset_mask & RADEON_RESET_DMA) {
1700		/* Disable DMA */
1701		tmp = RREG32(DMA_RB_CNTL);
1702		tmp &= ~DMA_RB_ENABLE;
1703		WREG32(DMA_RB_CNTL, tmp);
1704	}
1705
1706	mdelay(50);
1707
 
 
 
 
 
 
 
1708	rv515_mc_stop(rdev, &save);
1709	if (r600_mc_wait_for_idle(rdev)) {
1710		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1711	}
1712
1713	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1714		if (rdev->family >= CHIP_RV770)
1715			grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
1716				S_008020_SOFT_RESET_CB(1) |
1717				S_008020_SOFT_RESET_PA(1) |
1718				S_008020_SOFT_RESET_SC(1) |
1719				S_008020_SOFT_RESET_SPI(1) |
1720				S_008020_SOFT_RESET_SX(1) |
1721				S_008020_SOFT_RESET_SH(1) |
1722				S_008020_SOFT_RESET_TC(1) |
1723				S_008020_SOFT_RESET_TA(1) |
1724				S_008020_SOFT_RESET_VC(1) |
1725				S_008020_SOFT_RESET_VGT(1);
1726		else
1727			grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1728				S_008020_SOFT_RESET_DB(1) |
1729				S_008020_SOFT_RESET_CB(1) |
1730				S_008020_SOFT_RESET_PA(1) |
1731				S_008020_SOFT_RESET_SC(1) |
1732				S_008020_SOFT_RESET_SMX(1) |
1733				S_008020_SOFT_RESET_SPI(1) |
1734				S_008020_SOFT_RESET_SX(1) |
1735				S_008020_SOFT_RESET_SH(1) |
1736				S_008020_SOFT_RESET_TC(1) |
1737				S_008020_SOFT_RESET_TA(1) |
1738				S_008020_SOFT_RESET_VC(1) |
1739				S_008020_SOFT_RESET_VGT(1);
1740	}
1741
1742	if (reset_mask & RADEON_RESET_CP) {
1743		grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1744			S_008020_SOFT_RESET_VGT(1);
1745
1746		srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1747	}
1748
1749	if (reset_mask & RADEON_RESET_DMA) {
1750		if (rdev->family >= CHIP_RV770)
1751			srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1752		else
1753			srbm_soft_reset |= SOFT_RESET_DMA;
1754	}
1755
1756	if (reset_mask & RADEON_RESET_RLC)
1757		srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1758
1759	if (reset_mask & RADEON_RESET_SEM)
1760		srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1761
1762	if (reset_mask & RADEON_RESET_IH)
1763		srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1764
1765	if (reset_mask & RADEON_RESET_GRBM)
1766		srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1767
1768	if (!(rdev->flags & RADEON_IS_IGP)) {
1769		if (reset_mask & RADEON_RESET_MC)
1770			srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1771	}
1772
1773	if (reset_mask & RADEON_RESET_VMC)
1774		srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1775
1776	if (grbm_soft_reset) {
1777		tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1778		tmp |= grbm_soft_reset;
1779		dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1780		WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1781		tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1782
1783		udelay(50);
1784
1785		tmp &= ~grbm_soft_reset;
1786		WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1787		tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1788	}
1789
1790	if (srbm_soft_reset) {
1791		tmp = RREG32(SRBM_SOFT_RESET);
1792		tmp |= srbm_soft_reset;
1793		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1794		WREG32(SRBM_SOFT_RESET, tmp);
1795		tmp = RREG32(SRBM_SOFT_RESET);
1796
1797		udelay(50);
1798
1799		tmp &= ~srbm_soft_reset;
1800		WREG32(SRBM_SOFT_RESET, tmp);
1801		tmp = RREG32(SRBM_SOFT_RESET);
1802	}
1803
1804	/* Wait a little for things to settle down */
1805	mdelay(1);
1806
 
 
 
 
 
1807	rv515_mc_resume(rdev, &save);
1808	udelay(50);
1809
1810	r600_print_gpu_status_regs(rdev);
1811}
1812
1813static void r600_gpu_pci_config_reset(struct radeon_device *rdev)
1814{
1815	struct rv515_mc_save save;
1816	u32 tmp, i;
1817
1818	dev_info(rdev->dev, "GPU pci config reset\n");
 
1819
1820	/* disable dpm? */
1821
1822	/* Disable CP parsing/prefetching */
1823	if (rdev->family >= CHIP_RV770)
1824		WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1825	else
1826		WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1827
1828	/* disable the RLC */
1829	WREG32(RLC_CNTL, 0);
1830
1831	/* Disable DMA */
1832	tmp = RREG32(DMA_RB_CNTL);
1833	tmp &= ~DMA_RB_ENABLE;
1834	WREG32(DMA_RB_CNTL, tmp);
1835
1836	mdelay(50);
1837
1838	/* set mclk/sclk to bypass */
1839	if (rdev->family >= CHIP_RV770)
1840		rv770_set_clk_bypass_mode(rdev);
1841	/* disable BM */
1842	pci_clear_master(rdev->pdev);
1843	/* disable mem access */
1844	rv515_mc_stop(rdev, &save);
1845	if (r600_mc_wait_for_idle(rdev)) {
1846		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1847	}
1848
1849	/* BIF reset workaround.  Not sure if this is needed on 6xx */
1850	tmp = RREG32(BUS_CNTL);
1851	tmp |= VGA_COHE_SPEC_TIMER_DIS;
1852	WREG32(BUS_CNTL, tmp);
1853
1854	tmp = RREG32(BIF_SCRATCH0);
1855
1856	/* reset */
1857	radeon_pci_config_reset(rdev);
1858	mdelay(1);
1859
1860	/* BIF reset workaround.  Not sure if this is needed on 6xx */
1861	tmp = SOFT_RESET_BIF;
1862	WREG32(SRBM_SOFT_RESET, tmp);
1863	mdelay(1);
1864	WREG32(SRBM_SOFT_RESET, 0);
1865
1866	/* wait for asic to come out of reset */
1867	for (i = 0; i < rdev->usec_timeout; i++) {
1868		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
1869			break;
1870		udelay(1);
1871	}
 
 
1872}
1873
1874int r600_asic_reset(struct radeon_device *rdev)
1875{
1876	u32 reset_mask;
 
1877
1878	reset_mask = r600_gpu_check_soft_reset(rdev);
 
 
 
 
 
 
 
 
 
 
1879
1880	if (reset_mask)
1881		r600_set_bios_scratch_engine_hung(rdev, true);
 
 
 
 
 
 
1882
1883	/* try soft reset */
1884	r600_gpu_soft_reset(rdev, reset_mask);
 
 
 
 
 
 
 
 
1885
1886	reset_mask = r600_gpu_check_soft_reset(rdev);
 
 
 
1887
1888	/* try pci config reset */
1889	if (reset_mask && radeon_hard_reset)
1890		r600_gpu_pci_config_reset(rdev);
1891
1892	reset_mask = r600_gpu_check_soft_reset(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1893
1894	if (!reset_mask)
1895		r600_set_bios_scratch_engine_hung(rdev, false);
 
 
1896
1897	return 0;
1898}
1899
1900/**
1901 * r600_gfx_is_lockup - Check if the GFX engine is locked up
1902 *
1903 * @rdev: radeon_device pointer
1904 * @ring: radeon_ring structure holding ring information
1905 *
1906 * Check if the GFX engine is locked up.
1907 * Returns true if the engine appears to be locked up, false if not.
1908 */
1909bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1910{
1911	u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1912
1913	if (!(reset_mask & (RADEON_RESET_GFX |
1914			    RADEON_RESET_COMPUTE |
1915			    RADEON_RESET_CP))) {
1916		radeon_ring_lockup_update(rdev, ring);
1917		return false;
1918	}
1919	return radeon_ring_test_lockup(rdev, ring);
1920}
1921
1922u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1923			      u32 tiling_pipe_num,
1924			      u32 max_rb_num,
1925			      u32 total_max_rb_num,
1926			      u32 disabled_rb_mask)
1927{
1928	u32 rendering_pipe_num, rb_num_width, req_rb_num;
1929	u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1930	u32 data = 0, mask = 1 << (max_rb_num - 1);
1931	unsigned i, j;
1932
1933	/* mask out the RBs that don't exist on that asic */
1934	tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1935	/* make sure at least one RB is available */
1936	if ((tmp & 0xff) != 0xff)
1937		disabled_rb_mask = tmp;
1938
1939	rendering_pipe_num = 1 << tiling_pipe_num;
1940	req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1941	BUG_ON(rendering_pipe_num < req_rb_num);
1942
1943	pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1944	pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1945
1946	if (rdev->family <= CHIP_RV740) {
1947		/* r6xx/r7xx */
1948		rb_num_width = 2;
1949	} else {
1950		/* eg+ */
1951		rb_num_width = 4;
1952	}
1953
1954	for (i = 0; i < max_rb_num; i++) {
1955		if (!(mask & disabled_rb_mask)) {
1956			for (j = 0; j < pipe_rb_ratio; j++) {
1957				data <<= rb_num_width;
1958				data |= max_rb_num - i - 1;
1959			}
1960			if (pipe_rb_remain) {
1961				data <<= rb_num_width;
1962				data |= max_rb_num - i - 1;
1963				pipe_rb_remain--;
1964			}
1965		}
1966		mask >>= 1;
1967	}
1968
1969	return data;
1970}
1971
1972int r600_count_pipe_bits(uint32_t val)
1973{
1974	return hweight32(val);
 
 
 
 
 
 
1975}
1976
1977static void r600_gpu_init(struct radeon_device *rdev)
1978{
1979	u32 tiling_config;
1980	u32 ramcfg;
 
 
1981	u32 cc_gc_shader_pipe_config;
1982	u32 tmp;
1983	int i, j;
1984	u32 sq_config;
1985	u32 sq_gpr_resource_mgmt_1 = 0;
1986	u32 sq_gpr_resource_mgmt_2 = 0;
1987	u32 sq_thread_resource_mgmt = 0;
1988	u32 sq_stack_resource_mgmt_1 = 0;
1989	u32 sq_stack_resource_mgmt_2 = 0;
1990	u32 disabled_rb_mask;
1991
1992	rdev->config.r600.tiling_group_size = 256;
1993	switch (rdev->family) {
1994	case CHIP_R600:
1995		rdev->config.r600.max_pipes = 4;
1996		rdev->config.r600.max_tile_pipes = 8;
1997		rdev->config.r600.max_simds = 4;
1998		rdev->config.r600.max_backends = 4;
1999		rdev->config.r600.max_gprs = 256;
2000		rdev->config.r600.max_threads = 192;
2001		rdev->config.r600.max_stack_entries = 256;
2002		rdev->config.r600.max_hw_contexts = 8;
2003		rdev->config.r600.max_gs_threads = 16;
2004		rdev->config.r600.sx_max_export_size = 128;
2005		rdev->config.r600.sx_max_export_pos_size = 16;
2006		rdev->config.r600.sx_max_export_smx_size = 128;
2007		rdev->config.r600.sq_num_cf_insts = 2;
2008		break;
2009	case CHIP_RV630:
2010	case CHIP_RV635:
2011		rdev->config.r600.max_pipes = 2;
2012		rdev->config.r600.max_tile_pipes = 2;
2013		rdev->config.r600.max_simds = 3;
2014		rdev->config.r600.max_backends = 1;
2015		rdev->config.r600.max_gprs = 128;
2016		rdev->config.r600.max_threads = 192;
2017		rdev->config.r600.max_stack_entries = 128;
2018		rdev->config.r600.max_hw_contexts = 8;
2019		rdev->config.r600.max_gs_threads = 4;
2020		rdev->config.r600.sx_max_export_size = 128;
2021		rdev->config.r600.sx_max_export_pos_size = 16;
2022		rdev->config.r600.sx_max_export_smx_size = 128;
2023		rdev->config.r600.sq_num_cf_insts = 2;
2024		break;
2025	case CHIP_RV610:
2026	case CHIP_RV620:
2027	case CHIP_RS780:
2028	case CHIP_RS880:
2029		rdev->config.r600.max_pipes = 1;
2030		rdev->config.r600.max_tile_pipes = 1;
2031		rdev->config.r600.max_simds = 2;
2032		rdev->config.r600.max_backends = 1;
2033		rdev->config.r600.max_gprs = 128;
2034		rdev->config.r600.max_threads = 192;
2035		rdev->config.r600.max_stack_entries = 128;
2036		rdev->config.r600.max_hw_contexts = 4;
2037		rdev->config.r600.max_gs_threads = 4;
2038		rdev->config.r600.sx_max_export_size = 128;
2039		rdev->config.r600.sx_max_export_pos_size = 16;
2040		rdev->config.r600.sx_max_export_smx_size = 128;
2041		rdev->config.r600.sq_num_cf_insts = 1;
2042		break;
2043	case CHIP_RV670:
2044		rdev->config.r600.max_pipes = 4;
2045		rdev->config.r600.max_tile_pipes = 4;
2046		rdev->config.r600.max_simds = 4;
2047		rdev->config.r600.max_backends = 4;
2048		rdev->config.r600.max_gprs = 192;
2049		rdev->config.r600.max_threads = 192;
2050		rdev->config.r600.max_stack_entries = 256;
2051		rdev->config.r600.max_hw_contexts = 8;
2052		rdev->config.r600.max_gs_threads = 16;
2053		rdev->config.r600.sx_max_export_size = 128;
2054		rdev->config.r600.sx_max_export_pos_size = 16;
2055		rdev->config.r600.sx_max_export_smx_size = 128;
2056		rdev->config.r600.sq_num_cf_insts = 2;
2057		break;
2058	default:
2059		break;
2060	}
2061
2062	/* Initialize HDP */
2063	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2064		WREG32((0x2c14 + j), 0x00000000);
2065		WREG32((0x2c18 + j), 0x00000000);
2066		WREG32((0x2c1c + j), 0x00000000);
2067		WREG32((0x2c20 + j), 0x00000000);
2068		WREG32((0x2c24 + j), 0x00000000);
2069	}
2070
2071	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
2072
2073	/* Setup tiling */
2074	tiling_config = 0;
2075	ramcfg = RREG32(RAMCFG);
2076	switch (rdev->config.r600.max_tile_pipes) {
2077	case 1:
2078		tiling_config |= PIPE_TILING(0);
2079		break;
2080	case 2:
2081		tiling_config |= PIPE_TILING(1);
2082		break;
2083	case 4:
2084		tiling_config |= PIPE_TILING(2);
2085		break;
2086	case 8:
2087		tiling_config |= PIPE_TILING(3);
2088		break;
2089	default:
2090		break;
2091	}
2092	rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
2093	rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2094	tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2095	tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
2096
 
 
 
2097	tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
2098	if (tmp > 3) {
2099		tiling_config |= ROW_TILING(3);
2100		tiling_config |= SAMPLE_SPLIT(3);
2101	} else {
2102		tiling_config |= ROW_TILING(tmp);
2103		tiling_config |= SAMPLE_SPLIT(tmp);
2104	}
2105	tiling_config |= BANK_SWAPS(1);
2106
2107	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
2108	tmp = rdev->config.r600.max_simds -
2109		r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
2110	rdev->config.r600.active_simds = tmp;
2111
2112	disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
2113	tmp = 0;
2114	for (i = 0; i < rdev->config.r600.max_backends; i++)
2115		tmp |= (1 << i);
2116	/* if all the backends are disabled, fix it up here */
2117	if ((disabled_rb_mask & tmp) == tmp) {
2118		for (i = 0; i < rdev->config.r600.max_backends; i++)
2119			disabled_rb_mask &= ~(1 << i);
2120	}
2121	tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
2122	tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
2123					R6XX_MAX_BACKENDS, disabled_rb_mask);
2124	tiling_config |= tmp << 16;
2125	rdev->config.r600.backend_map = tmp;
2126
2127	rdev->config.r600.tile_config = tiling_config;
 
 
2128	WREG32(GB_TILING_CONFIG, tiling_config);
2129	WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
2130	WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
2131	WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
 
 
 
 
2132
2133	tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
2134	WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
2135	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
2136
2137	/* Setup some CP states */
2138	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
2139	WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
2140
2141	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
2142			     SYNC_WALKER | SYNC_ALIGNER));
2143	/* Setup various GPU states */
2144	if (rdev->family == CHIP_RV670)
2145		WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
2146
2147	tmp = RREG32(SX_DEBUG_1);
2148	tmp |= SMX_EVENT_RELEASE;
2149	if ((rdev->family > CHIP_R600))
2150		tmp |= ENABLE_NEW_SMX_ADDRESS;
2151	WREG32(SX_DEBUG_1, tmp);
2152
2153	if (((rdev->family) == CHIP_R600) ||
2154	    ((rdev->family) == CHIP_RV630) ||
2155	    ((rdev->family) == CHIP_RV610) ||
2156	    ((rdev->family) == CHIP_RV620) ||
2157	    ((rdev->family) == CHIP_RS780) ||
2158	    ((rdev->family) == CHIP_RS880)) {
2159		WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
2160	} else {
2161		WREG32(DB_DEBUG, 0);
2162	}
2163	WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
2164			       DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
2165
2166	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2167	WREG32(VGT_NUM_INSTANCES, 0);
2168
2169	WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
2170	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
2171
2172	tmp = RREG32(SQ_MS_FIFO_SIZES);
2173	if (((rdev->family) == CHIP_RV610) ||
2174	    ((rdev->family) == CHIP_RV620) ||
2175	    ((rdev->family) == CHIP_RS780) ||
2176	    ((rdev->family) == CHIP_RS880)) {
2177		tmp = (CACHE_FIFO_SIZE(0xa) |
2178		       FETCH_FIFO_HIWATER(0xa) |
2179		       DONE_FIFO_HIWATER(0xe0) |
2180		       ALU_UPDATE_FIFO_HIWATER(0x8));
2181	} else if (((rdev->family) == CHIP_R600) ||
2182		   ((rdev->family) == CHIP_RV630)) {
2183		tmp &= ~DONE_FIFO_HIWATER(0xff);
2184		tmp |= DONE_FIFO_HIWATER(0x4);
2185	}
2186	WREG32(SQ_MS_FIFO_SIZES, tmp);
2187
2188	/* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
2189	 * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
2190	 */
2191	sq_config = RREG32(SQ_CONFIG);
2192	sq_config &= ~(PS_PRIO(3) |
2193		       VS_PRIO(3) |
2194		       GS_PRIO(3) |
2195		       ES_PRIO(3));
2196	sq_config |= (DX9_CONSTS |
2197		      VC_ENABLE |
2198		      PS_PRIO(0) |
2199		      VS_PRIO(1) |
2200		      GS_PRIO(2) |
2201		      ES_PRIO(3));
2202
2203	if ((rdev->family) == CHIP_R600) {
2204		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
2205					  NUM_VS_GPRS(124) |
2206					  NUM_CLAUSE_TEMP_GPRS(4));
2207		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
2208					  NUM_ES_GPRS(0));
2209		sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
2210					   NUM_VS_THREADS(48) |
2211					   NUM_GS_THREADS(4) |
2212					   NUM_ES_THREADS(4));
2213		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
2214					    NUM_VS_STACK_ENTRIES(128));
2215		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
2216					    NUM_ES_STACK_ENTRIES(0));
2217	} else if (((rdev->family) == CHIP_RV610) ||
2218		   ((rdev->family) == CHIP_RV620) ||
2219		   ((rdev->family) == CHIP_RS780) ||
2220		   ((rdev->family) == CHIP_RS880)) {
2221		/* no vertex cache */
2222		sq_config &= ~VC_ENABLE;
2223
2224		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2225					  NUM_VS_GPRS(44) |
2226					  NUM_CLAUSE_TEMP_GPRS(2));
2227		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2228					  NUM_ES_GPRS(17));
2229		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2230					   NUM_VS_THREADS(78) |
2231					   NUM_GS_THREADS(4) |
2232					   NUM_ES_THREADS(31));
2233		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2234					    NUM_VS_STACK_ENTRIES(40));
2235		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2236					    NUM_ES_STACK_ENTRIES(16));
2237	} else if (((rdev->family) == CHIP_RV630) ||
2238		   ((rdev->family) == CHIP_RV635)) {
2239		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2240					  NUM_VS_GPRS(44) |
2241					  NUM_CLAUSE_TEMP_GPRS(2));
2242		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
2243					  NUM_ES_GPRS(18));
2244		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2245					   NUM_VS_THREADS(78) |
2246					   NUM_GS_THREADS(4) |
2247					   NUM_ES_THREADS(31));
2248		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2249					    NUM_VS_STACK_ENTRIES(40));
2250		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2251					    NUM_ES_STACK_ENTRIES(16));
2252	} else if ((rdev->family) == CHIP_RV670) {
2253		sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2254					  NUM_VS_GPRS(44) |
2255					  NUM_CLAUSE_TEMP_GPRS(2));
2256		sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2257					  NUM_ES_GPRS(17));
2258		sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2259					   NUM_VS_THREADS(78) |
2260					   NUM_GS_THREADS(4) |
2261					   NUM_ES_THREADS(31));
2262		sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
2263					    NUM_VS_STACK_ENTRIES(64));
2264		sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
2265					    NUM_ES_STACK_ENTRIES(64));
2266	}
2267
2268	WREG32(SQ_CONFIG, sq_config);
2269	WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
2270	WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
2271	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2272	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2273	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2274
2275	if (((rdev->family) == CHIP_RV610) ||
2276	    ((rdev->family) == CHIP_RV620) ||
2277	    ((rdev->family) == CHIP_RS780) ||
2278	    ((rdev->family) == CHIP_RS880)) {
2279		WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2280	} else {
2281		WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2282	}
2283
2284	/* More default values. 2D/3D driver should adjust as needed */
2285	WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2286					 S1_X(0x4) | S1_Y(0xc)));
2287	WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2288					 S1_X(0x2) | S1_Y(0x2) |
2289					 S2_X(0xa) | S2_Y(0x6) |
2290					 S3_X(0x6) | S3_Y(0xa)));
2291	WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2292					     S1_X(0x4) | S1_Y(0xc) |
2293					     S2_X(0x1) | S2_Y(0x6) |
2294					     S3_X(0xa) | S3_Y(0xe)));
2295	WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2296					     S5_X(0x0) | S5_Y(0x0) |
2297					     S6_X(0xb) | S6_Y(0x4) |
2298					     S7_X(0x7) | S7_Y(0x8)));
2299
2300	WREG32(VGT_STRMOUT_EN, 0);
2301	tmp = rdev->config.r600.max_pipes * 16;
2302	switch (rdev->family) {
2303	case CHIP_RV610:
2304	case CHIP_RV620:
2305	case CHIP_RS780:
2306	case CHIP_RS880:
2307		tmp += 32;
2308		break;
2309	case CHIP_RV670:
2310		tmp += 128;
2311		break;
2312	default:
2313		break;
2314	}
2315	if (tmp > 256) {
2316		tmp = 256;
2317	}
2318	WREG32(VGT_ES_PER_GS, 128);
2319	WREG32(VGT_GS_PER_ES, tmp);
2320	WREG32(VGT_GS_PER_VS, 2);
2321	WREG32(VGT_GS_VERTEX_REUSE, 16);
2322
2323	/* more default values. 2D/3D driver should adjust as needed */
2324	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2325	WREG32(VGT_STRMOUT_EN, 0);
2326	WREG32(SX_MISC, 0);
2327	WREG32(PA_SC_MODE_CNTL, 0);
2328	WREG32(PA_SC_AA_CONFIG, 0);
2329	WREG32(PA_SC_LINE_STIPPLE, 0);
2330	WREG32(SPI_INPUT_Z, 0);
2331	WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2332	WREG32(CB_COLOR7_FRAG, 0);
2333
2334	/* Clear render buffer base addresses */
2335	WREG32(CB_COLOR0_BASE, 0);
2336	WREG32(CB_COLOR1_BASE, 0);
2337	WREG32(CB_COLOR2_BASE, 0);
2338	WREG32(CB_COLOR3_BASE, 0);
2339	WREG32(CB_COLOR4_BASE, 0);
2340	WREG32(CB_COLOR5_BASE, 0);
2341	WREG32(CB_COLOR6_BASE, 0);
2342	WREG32(CB_COLOR7_BASE, 0);
2343	WREG32(CB_COLOR7_FRAG, 0);
2344
2345	switch (rdev->family) {
2346	case CHIP_RV610:
2347	case CHIP_RV620:
2348	case CHIP_RS780:
2349	case CHIP_RS880:
2350		tmp = TC_L2_SIZE(8);
2351		break;
2352	case CHIP_RV630:
2353	case CHIP_RV635:
2354		tmp = TC_L2_SIZE(4);
2355		break;
2356	case CHIP_R600:
2357		tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2358		break;
2359	default:
2360		tmp = TC_L2_SIZE(0);
2361		break;
2362	}
2363	WREG32(TC_CNTL, tmp);
2364
2365	tmp = RREG32(HDP_HOST_PATH_CNTL);
2366	WREG32(HDP_HOST_PATH_CNTL, tmp);
2367
2368	tmp = RREG32(ARB_POP);
2369	tmp |= ENABLE_TC128;
2370	WREG32(ARB_POP, tmp);
2371
2372	WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2373	WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2374			       NUM_CLIP_SEQ(3)));
2375	WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2376	WREG32(VC_ENHANCE, 0);
2377}
2378
2379
2380/*
2381 * Indirect registers accessor
2382 */
2383u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2384{
2385	unsigned long flags;
2386	u32 r;
2387
2388	spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2389	WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2390	(void)RREG32(PCIE_PORT_INDEX);
2391	r = RREG32(PCIE_PORT_DATA);
2392	spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2393	return r;
2394}
2395
2396void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2397{
2398	unsigned long flags;
2399
2400	spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2401	WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2402	(void)RREG32(PCIE_PORT_INDEX);
2403	WREG32(PCIE_PORT_DATA, (v));
2404	(void)RREG32(PCIE_PORT_DATA);
2405	spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2406}
2407
2408/*
2409 * CP & Ring
2410 */
2411void r600_cp_stop(struct radeon_device *rdev)
2412{
2413	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2414		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2415	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2416	WREG32(SCRATCH_UMSK, 0);
2417	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2418}
2419
2420int r600_init_microcode(struct radeon_device *rdev)
2421{
 
2422	const char *chip_name;
2423	const char *rlc_chip_name;
2424	const char *smc_chip_name = "RV770";
2425	size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
2426	char fw_name[30];
2427	int err;
2428
2429	DRM_DEBUG("\n");
2430
 
 
 
 
 
 
 
2431	switch (rdev->family) {
2432	case CHIP_R600:
2433		chip_name = "R600";
2434		rlc_chip_name = "R600";
2435		break;
2436	case CHIP_RV610:
2437		chip_name = "RV610";
2438		rlc_chip_name = "R600";
2439		break;
2440	case CHIP_RV630:
2441		chip_name = "RV630";
2442		rlc_chip_name = "R600";
2443		break;
2444	case CHIP_RV620:
2445		chip_name = "RV620";
2446		rlc_chip_name = "R600";
2447		break;
2448	case CHIP_RV635:
2449		chip_name = "RV635";
2450		rlc_chip_name = "R600";
2451		break;
2452	case CHIP_RV670:
2453		chip_name = "RV670";
2454		rlc_chip_name = "R600";
2455		break;
2456	case CHIP_RS780:
2457	case CHIP_RS880:
2458		chip_name = "RS780";
2459		rlc_chip_name = "R600";
2460		break;
2461	case CHIP_RV770:
2462		chip_name = "RV770";
2463		rlc_chip_name = "R700";
2464		smc_chip_name = "RV770";
2465		smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
2466		break;
2467	case CHIP_RV730:
 
2468		chip_name = "RV730";
2469		rlc_chip_name = "R700";
2470		smc_chip_name = "RV730";
2471		smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
2472		break;
2473	case CHIP_RV710:
2474		chip_name = "RV710";
2475		rlc_chip_name = "R700";
2476		smc_chip_name = "RV710";
2477		smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
2478		break;
2479	case CHIP_RV740:
2480		chip_name = "RV730";
2481		rlc_chip_name = "R700";
2482		smc_chip_name = "RV740";
2483		smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
2484		break;
2485	case CHIP_CEDAR:
2486		chip_name = "CEDAR";
2487		rlc_chip_name = "CEDAR";
2488		smc_chip_name = "CEDAR";
2489		smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
2490		break;
2491	case CHIP_REDWOOD:
2492		chip_name = "REDWOOD";
2493		rlc_chip_name = "REDWOOD";
2494		smc_chip_name = "REDWOOD";
2495		smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
2496		break;
2497	case CHIP_JUNIPER:
2498		chip_name = "JUNIPER";
2499		rlc_chip_name = "JUNIPER";
2500		smc_chip_name = "JUNIPER";
2501		smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
2502		break;
2503	case CHIP_CYPRESS:
2504	case CHIP_HEMLOCK:
2505		chip_name = "CYPRESS";
2506		rlc_chip_name = "CYPRESS";
2507		smc_chip_name = "CYPRESS";
2508		smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
2509		break;
2510	case CHIP_PALM:
2511		chip_name = "PALM";
2512		rlc_chip_name = "SUMO";
2513		break;
2514	case CHIP_SUMO:
2515		chip_name = "SUMO";
2516		rlc_chip_name = "SUMO";
2517		break;
2518	case CHIP_SUMO2:
2519		chip_name = "SUMO2";
2520		rlc_chip_name = "SUMO";
2521		break;
2522	default: BUG();
2523	}
2524
2525	if (rdev->family >= CHIP_CEDAR) {
2526		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2527		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2528		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2529	} else if (rdev->family >= CHIP_RV770) {
2530		pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2531		me_req_size = R700_PM4_UCODE_SIZE * 4;
2532		rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2533	} else {
2534		pfp_req_size = R600_PFP_UCODE_SIZE * 4;
2535		me_req_size = R600_PM4_UCODE_SIZE * 12;
2536		rlc_req_size = R600_RLC_UCODE_SIZE * 4;
2537	}
2538
2539	DRM_INFO("Loading %s Microcode\n", chip_name);
2540
2541	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2542	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
2543	if (err)
2544		goto out;
2545	if (rdev->pfp_fw->size != pfp_req_size) {
2546		printk(KERN_ERR
2547		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2548		       rdev->pfp_fw->size, fw_name);
2549		err = -EINVAL;
2550		goto out;
2551	}
2552
2553	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2554	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
2555	if (err)
2556		goto out;
2557	if (rdev->me_fw->size != me_req_size) {
2558		printk(KERN_ERR
2559		       "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2560		       rdev->me_fw->size, fw_name);
2561		err = -EINVAL;
2562	}
2563
2564	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2565	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
2566	if (err)
2567		goto out;
2568	if (rdev->rlc_fw->size != rlc_req_size) {
2569		printk(KERN_ERR
2570		       "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2571		       rdev->rlc_fw->size, fw_name);
2572		err = -EINVAL;
2573	}
2574
2575	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
2576		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
2577		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
2578		if (err) {
2579			printk(KERN_ERR
2580			       "smc: error loading firmware \"%s\"\n",
2581			       fw_name);
2582			release_firmware(rdev->smc_fw);
2583			rdev->smc_fw = NULL;
2584			err = 0;
2585		} else if (rdev->smc_fw->size != smc_req_size) {
2586			printk(KERN_ERR
2587			       "smc: Bogus length %zu in firmware \"%s\"\n",
2588			       rdev->smc_fw->size, fw_name);
2589			err = -EINVAL;
2590		}
2591	}
2592
2593out:
2594	if (err) {
2595		if (err != -EINVAL)
2596			printk(KERN_ERR
2597			       "r600_cp: Failed to load firmware \"%s\"\n",
2598			       fw_name);
2599		release_firmware(rdev->pfp_fw);
2600		rdev->pfp_fw = NULL;
2601		release_firmware(rdev->me_fw);
2602		rdev->me_fw = NULL;
2603		release_firmware(rdev->rlc_fw);
2604		rdev->rlc_fw = NULL;
2605		release_firmware(rdev->smc_fw);
2606		rdev->smc_fw = NULL;
2607	}
2608	return err;
2609}
2610
2611u32 r600_gfx_get_rptr(struct radeon_device *rdev,
2612		      struct radeon_ring *ring)
2613{
2614	u32 rptr;
2615
2616	if (rdev->wb.enabled)
2617		rptr = rdev->wb.wb[ring->rptr_offs/4];
2618	else
2619		rptr = RREG32(R600_CP_RB_RPTR);
2620
2621	return rptr;
2622}
2623
2624u32 r600_gfx_get_wptr(struct radeon_device *rdev,
2625		      struct radeon_ring *ring)
2626{
2627	u32 wptr;
2628
2629	wptr = RREG32(R600_CP_RB_WPTR);
2630
2631	return wptr;
2632}
2633
2634void r600_gfx_set_wptr(struct radeon_device *rdev,
2635		       struct radeon_ring *ring)
2636{
2637	WREG32(R600_CP_RB_WPTR, ring->wptr);
2638	(void)RREG32(R600_CP_RB_WPTR);
2639}
2640
2641static int r600_cp_load_microcode(struct radeon_device *rdev)
2642{
2643	const __be32 *fw_data;
2644	int i;
2645
2646	if (!rdev->me_fw || !rdev->pfp_fw)
2647		return -EINVAL;
2648
2649	r600_cp_stop(rdev);
2650
2651	WREG32(CP_RB_CNTL,
2652#ifdef __BIG_ENDIAN
2653	       BUF_SWAP_32BIT |
2654#endif
2655	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2656
2657	/* Reset cp */
2658	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2659	RREG32(GRBM_SOFT_RESET);
2660	mdelay(15);
2661	WREG32(GRBM_SOFT_RESET, 0);
2662
2663	WREG32(CP_ME_RAM_WADDR, 0);
2664
2665	fw_data = (const __be32 *)rdev->me_fw->data;
2666	WREG32(CP_ME_RAM_WADDR, 0);
2667	for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
2668		WREG32(CP_ME_RAM_DATA,
2669		       be32_to_cpup(fw_data++));
2670
2671	fw_data = (const __be32 *)rdev->pfp_fw->data;
2672	WREG32(CP_PFP_UCODE_ADDR, 0);
2673	for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
2674		WREG32(CP_PFP_UCODE_DATA,
2675		       be32_to_cpup(fw_data++));
2676
2677	WREG32(CP_PFP_UCODE_ADDR, 0);
2678	WREG32(CP_ME_RAM_WADDR, 0);
2679	WREG32(CP_ME_RAM_RADDR, 0);
2680	return 0;
2681}
2682
2683int r600_cp_start(struct radeon_device *rdev)
2684{
2685	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2686	int r;
2687	uint32_t cp_me;
2688
2689	r = radeon_ring_lock(rdev, ring, 7);
2690	if (r) {
2691		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2692		return r;
2693	}
2694	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2695	radeon_ring_write(ring, 0x1);
2696	if (rdev->family >= CHIP_RV770) {
2697		radeon_ring_write(ring, 0x0);
2698		radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2699	} else {
2700		radeon_ring_write(ring, 0x3);
2701		radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2702	}
2703	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2704	radeon_ring_write(ring, 0);
2705	radeon_ring_write(ring, 0);
2706	radeon_ring_unlock_commit(rdev, ring, false);
2707
2708	cp_me = 0xff;
2709	WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2710	return 0;
2711}
2712
2713int r600_cp_resume(struct radeon_device *rdev)
2714{
2715	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2716	u32 tmp;
2717	u32 rb_bufsz;
2718	int r;
2719
2720	/* Reset cp */
2721	WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2722	RREG32(GRBM_SOFT_RESET);
2723	mdelay(15);
2724	WREG32(GRBM_SOFT_RESET, 0);
2725
2726	/* Set ring buffer size */
2727	rb_bufsz = order_base_2(ring->ring_size / 8);
2728	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2729#ifdef __BIG_ENDIAN
2730	tmp |= BUF_SWAP_32BIT;
2731#endif
2732	WREG32(CP_RB_CNTL, tmp);
2733	WREG32(CP_SEM_WAIT_TIMER, 0x0);
2734
2735	/* Set the write pointer delay */
2736	WREG32(CP_RB_WPTR_DELAY, 0);
2737
2738	/* Initialize the ring buffer's read and write pointers */
2739	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2740	WREG32(CP_RB_RPTR_WR, 0);
2741	ring->wptr = 0;
2742	WREG32(CP_RB_WPTR, ring->wptr);
2743
2744	/* set the wb address whether it's enabled or not */
2745	WREG32(CP_RB_RPTR_ADDR,
2746	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2747	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2748	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2749
2750	if (rdev->wb.enabled)
2751		WREG32(SCRATCH_UMSK, 0xff);
2752	else {
2753		tmp |= RB_NO_UPDATE;
2754		WREG32(SCRATCH_UMSK, 0);
2755	}
2756
2757	mdelay(1);
2758	WREG32(CP_RB_CNTL, tmp);
2759
2760	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2761	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2762
 
 
2763	r600_cp_start(rdev);
2764	ring->ready = true;
2765	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2766	if (r) {
2767		ring->ready = false;
2768		return r;
2769	}
 
 
2770
2771	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2772		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2773
2774	return 0;
2775}
2776
2777void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2778{
2779	u32 rb_bufsz;
2780	int r;
2781
2782	/* Align ring size */
2783	rb_bufsz = order_base_2(ring_size / 8);
2784	ring_size = (1 << (rb_bufsz + 1)) * 4;
2785	ring->ring_size = ring_size;
2786	ring->align_mask = 16 - 1;
2787
2788	if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2789		r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2790		if (r) {
2791			DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2792			ring->rptr_save_reg = 0;
2793		}
2794	}
2795}
2796
2797void r600_cp_fini(struct radeon_device *rdev)
2798{
2799	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2800	r600_cp_stop(rdev);
2801	radeon_ring_fini(rdev, ring);
2802	radeon_scratch_free(rdev, ring->rptr_save_reg);
2803}
2804
 
2805/*
2806 * GPU scratch registers helpers function.
2807 */
2808void r600_scratch_init(struct radeon_device *rdev)
2809{
2810	int i;
2811
2812	rdev->scratch.num_reg = 7;
2813	rdev->scratch.reg_base = SCRATCH_REG0;
2814	for (i = 0; i < rdev->scratch.num_reg; i++) {
2815		rdev->scratch.free[i] = true;
2816		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2817	}
2818}
2819
2820int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2821{
2822	uint32_t scratch;
2823	uint32_t tmp = 0;
2824	unsigned i;
2825	int r;
2826
2827	r = radeon_scratch_get(rdev, &scratch);
2828	if (r) {
2829		DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2830		return r;
2831	}
2832	WREG32(scratch, 0xCAFEDEAD);
2833	r = radeon_ring_lock(rdev, ring, 3);
2834	if (r) {
2835		DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2836		radeon_scratch_free(rdev, scratch);
2837		return r;
2838	}
2839	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2840	radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2841	radeon_ring_write(ring, 0xDEADBEEF);
2842	radeon_ring_unlock_commit(rdev, ring, false);
2843	for (i = 0; i < rdev->usec_timeout; i++) {
2844		tmp = RREG32(scratch);
2845		if (tmp == 0xDEADBEEF)
2846			break;
2847		DRM_UDELAY(1);
2848	}
2849	if (i < rdev->usec_timeout) {
2850		DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2851	} else {
2852		DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2853			  ring->idx, scratch, tmp);
2854		r = -EINVAL;
2855	}
2856	radeon_scratch_free(rdev, scratch);
2857	return r;
2858}
2859
2860/*
2861 * CP fences/semaphores
2862 */
2863
2864void r600_fence_ring_emit(struct radeon_device *rdev,
2865			  struct radeon_fence *fence)
2866{
2867	struct radeon_ring *ring = &rdev->ring[fence->ring];
2868	u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA |
2869		PACKET3_SH_ACTION_ENA;
2870
2871	if (rdev->family >= CHIP_RV770)
2872		cp_coher_cntl |= PACKET3_FULL_CACHE_ENA;
2873
2874	if (rdev->wb.use_event) {
2875		u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2876		/* flush read cache over gart */
2877		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2878		radeon_ring_write(ring, cp_coher_cntl);
2879		radeon_ring_write(ring, 0xFFFFFFFF);
2880		radeon_ring_write(ring, 0);
2881		radeon_ring_write(ring, 10); /* poll interval */
2882		/* EVENT_WRITE_EOP - flush caches, send int */
2883		radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2884		radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2885		radeon_ring_write(ring, lower_32_bits(addr));
2886		radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2887		radeon_ring_write(ring, fence->seq);
2888		radeon_ring_write(ring, 0);
2889	} else {
2890		/* flush read cache over gart */
2891		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2892		radeon_ring_write(ring, cp_coher_cntl);
2893		radeon_ring_write(ring, 0xFFFFFFFF);
2894		radeon_ring_write(ring, 0);
2895		radeon_ring_write(ring, 10); /* poll interval */
2896		radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2897		radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2898		/* wait for 3D idle clean */
2899		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2900		radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2901		radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2902		/* Emit fence sequence & fire IRQ */
2903		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2904		radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2905		radeon_ring_write(ring, fence->seq);
2906		/* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2907		radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2908		radeon_ring_write(ring, RB_INT_STAT);
2909	}
2910}
2911
2912/**
2913 * r600_semaphore_ring_emit - emit a semaphore on the CP ring
2914 *
2915 * @rdev: radeon_device pointer
2916 * @ring: radeon ring buffer object
2917 * @semaphore: radeon semaphore object
2918 * @emit_wait: Is this a sempahore wait?
2919 *
2920 * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
2921 * from running ahead of semaphore waits.
2922 */
2923bool r600_semaphore_ring_emit(struct radeon_device *rdev,
2924			      struct radeon_ring *ring,
2925			      struct radeon_semaphore *semaphore,
2926			      bool emit_wait)
2927{
2928	uint64_t addr = semaphore->gpu_addr;
2929	unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
2930
2931	if (rdev->family < CHIP_CAYMAN)
2932		sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
2933
2934	radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
2935	radeon_ring_write(ring, lower_32_bits(addr));
2936	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
2937
2938	/* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */
2939	if (emit_wait && (rdev->family >= CHIP_CEDAR)) {
2940		/* Prevent the PFP from running ahead of the semaphore wait */
2941		radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2942		radeon_ring_write(ring, 0x0);
2943	}
2944
2945	return true;
2946}
2947
2948/**
2949 * r600_copy_cpdma - copy pages using the CP DMA engine
2950 *
2951 * @rdev: radeon_device pointer
2952 * @src_offset: src GPU address
2953 * @dst_offset: dst GPU address
2954 * @num_gpu_pages: number of GPU pages to xfer
2955 * @fence: radeon fence object
2956 *
2957 * Copy GPU paging using the CP DMA engine (r6xx+).
2958 * Used by the radeon ttm implementation to move pages if
2959 * registered as the asic copy callback.
2960 */
2961struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
2962				     uint64_t src_offset, uint64_t dst_offset,
2963				     unsigned num_gpu_pages,
2964				     struct reservation_object *resv)
2965{
2966	struct radeon_fence *fence;
2967	struct radeon_sync sync;
2968	int ring_index = rdev->asic->copy.blit_ring_index;
2969	struct radeon_ring *ring = &rdev->ring[ring_index];
2970	u32 size_in_bytes, cur_size_in_bytes, tmp;
2971	int i, num_loops;
2972	int r = 0;
2973
2974	radeon_sync_create(&sync);
2975
2976	size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
2977	num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
2978	r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
2979	if (r) {
2980		DRM_ERROR("radeon: moving bo (%d).\n", r);
2981		radeon_sync_free(rdev, &sync, NULL);
2982		return ERR_PTR(r);
2983	}
2984
2985	radeon_sync_resv(rdev, &sync, resv, false);
2986	radeon_sync_rings(rdev, &sync, ring->idx);
2987
2988	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2989	radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2990	radeon_ring_write(ring, WAIT_3D_IDLE_bit);
2991	for (i = 0; i < num_loops; i++) {
2992		cur_size_in_bytes = size_in_bytes;
2993		if (cur_size_in_bytes > 0x1fffff)
2994			cur_size_in_bytes = 0x1fffff;
2995		size_in_bytes -= cur_size_in_bytes;
2996		tmp = upper_32_bits(src_offset) & 0xff;
2997		if (size_in_bytes == 0)
2998			tmp |= PACKET3_CP_DMA_CP_SYNC;
2999		radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
3000		radeon_ring_write(ring, lower_32_bits(src_offset));
3001		radeon_ring_write(ring, tmp);
3002		radeon_ring_write(ring, lower_32_bits(dst_offset));
3003		radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
3004		radeon_ring_write(ring, cur_size_in_bytes);
3005		src_offset += cur_size_in_bytes;
3006		dst_offset += cur_size_in_bytes;
3007	}
3008	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3009	radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3010	radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
3011
3012	r = radeon_fence_emit(rdev, &fence, ring->idx);
 
 
3013	if (r) {
3014		radeon_ring_unlock_undo(rdev, ring);
3015		radeon_sync_free(rdev, &sync, NULL);
3016		return ERR_PTR(r);
 
3017	}
3018
3019	radeon_ring_unlock_commit(rdev, ring, false);
3020	radeon_sync_free(rdev, &sync, fence);
3021
3022	return fence;
3023}
3024
3025int r600_set_surface_reg(struct radeon_device *rdev, int reg,
3026			 uint32_t tiling_flags, uint32_t pitch,
3027			 uint32_t offset, uint32_t obj_size)
3028{
3029	/* FIXME: implement */
3030	return 0;
3031}
3032
3033void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
3034{
3035	/* FIXME: implement */
3036}
3037
3038static int r600_startup(struct radeon_device *rdev)
3039{
3040	struct radeon_ring *ring;
3041	int r;
3042
3043	/* enable pcie gen2 link */
3044	r600_pcie_gen2_enable(rdev);
3045
3046	/* scratch needs to be initialized before MC */
3047	r = r600_vram_scratch_init(rdev);
3048	if (r)
3049		return r;
 
 
 
3050
3051	r600_mc_program(rdev);
3052
3053	if (rdev->flags & RADEON_IS_AGP) {
3054		r600_agp_enable(rdev);
3055	} else {
3056		r = r600_pcie_gart_enable(rdev);
3057		if (r)
3058			return r;
3059	}
3060	r600_gpu_init(rdev);
 
 
 
 
 
 
3061
3062	/* allocate wb buffer */
3063	r = radeon_wb_init(rdev);
3064	if (r)
3065		return r;
3066
3067	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3068	if (r) {
3069		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3070		return r;
3071	}
3072
3073	if (rdev->has_uvd) {
3074		r = uvd_v1_0_resume(rdev);
3075		if (!r) {
3076			r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
3077			if (r) {
3078				dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
3079			}
3080		}
3081		if (r)
3082			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
3083	}
3084
3085	/* Enable IRQ */
3086	if (!rdev->irq.installed) {
3087		r = radeon_irq_kms_init(rdev);
3088		if (r)
3089			return r;
3090	}
3091
3092	r = r600_irq_init(rdev);
3093	if (r) {
3094		DRM_ERROR("radeon: IH init failed (%d).\n", r);
3095		radeon_irq_kms_fini(rdev);
3096		return r;
3097	}
3098	r600_irq_set(rdev);
3099
3100	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3101	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3102			     RADEON_CP_PACKET2);
3103	if (r)
3104		return r;
3105
3106	r = r600_cp_load_microcode(rdev);
3107	if (r)
3108		return r;
3109	r = r600_cp_resume(rdev);
3110	if (r)
3111		return r;
3112
3113	if (rdev->has_uvd) {
3114		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
3115		if (ring->ring_size) {
3116			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
3117					     RADEON_CP_PACKET2);
3118			if (!r)
3119				r = uvd_v1_0_init(rdev);
3120			if (r)
3121				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
3122		}
3123	}
3124
3125	r = radeon_ib_pool_init(rdev);
3126	if (r) {
3127		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3128		return r;
3129	}
3130
3131	r = radeon_audio_init(rdev);
3132	if (r) {
3133		DRM_ERROR("radeon: audio init failed\n");
3134		return r;
3135	}
3136
3137	return 0;
3138}
3139
3140void r600_vga_set_state(struct radeon_device *rdev, bool state)
3141{
3142	uint32_t temp;
3143
3144	temp = RREG32(CONFIG_CNTL);
3145	if (state == false) {
3146		temp &= ~(1<<0);
3147		temp |= (1<<1);
3148	} else {
3149		temp &= ~(1<<1);
3150	}
3151	WREG32(CONFIG_CNTL, temp);
3152}
3153
3154int r600_resume(struct radeon_device *rdev)
3155{
3156	int r;
3157
3158	/* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
3159	 * posting will perform necessary task to bring back GPU into good
3160	 * shape.
3161	 */
3162	/* post card */
3163	atom_asic_init(rdev->mode_info.atom_context);
3164
3165	if (rdev->pm.pm_method == PM_METHOD_DPM)
3166		radeon_pm_resume(rdev);
3167
3168	rdev->accel_working = true;
3169	r = r600_startup(rdev);
3170	if (r) {
3171		DRM_ERROR("r600 startup failed on resume\n");
3172		rdev->accel_working = false;
 
 
 
 
 
 
 
 
 
 
 
3173		return r;
3174	}
3175
3176	return r;
3177}
3178
3179int r600_suspend(struct radeon_device *rdev)
3180{
3181	radeon_pm_suspend(rdev);
3182	radeon_audio_fini(rdev);
 
 
3183	r600_cp_stop(rdev);
3184	if (rdev->has_uvd) {
3185		uvd_v1_0_fini(rdev);
3186		radeon_uvd_suspend(rdev);
3187	}
3188	r600_irq_suspend(rdev);
3189	radeon_wb_disable(rdev);
3190	r600_pcie_gart_disable(rdev);
3191
 
 
 
 
 
 
 
3192	return 0;
3193}
3194
3195/* Plan is to move initialization in that function and use
3196 * helper function so that radeon_device_init pretty much
3197 * do nothing more than calling asic specific function. This
3198 * should also allow to remove a bunch of callback function
3199 * like vram_info.
3200 */
3201int r600_init(struct radeon_device *rdev)
3202{
3203	int r;
3204
3205	if (r600_debugfs_mc_info_init(rdev)) {
3206		DRM_ERROR("Failed to register debugfs file for mc !\n");
3207	}
 
 
 
 
3208	/* Read BIOS */
3209	if (!radeon_get_bios(rdev)) {
3210		if (ASIC_IS_AVIVO(rdev))
3211			return -EINVAL;
3212	}
3213	/* Must be an ATOMBIOS */
3214	if (!rdev->is_atom_bios) {
3215		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3216		return -EINVAL;
3217	}
3218	r = radeon_atombios_init(rdev);
3219	if (r)
3220		return r;
3221	/* Post card if necessary */
3222	if (!radeon_card_posted(rdev)) {
3223		if (!rdev->bios) {
3224			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3225			return -EINVAL;
3226		}
3227		DRM_INFO("GPU not posted. posting now...\n");
3228		atom_asic_init(rdev->mode_info.atom_context);
3229	}
3230	/* Initialize scratch registers */
3231	r600_scratch_init(rdev);
3232	/* Initialize surface registers */
3233	radeon_surface_init(rdev);
3234	/* Initialize clocks */
3235	radeon_get_clock_info(rdev->ddev);
3236	/* Fence driver */
3237	r = radeon_fence_driver_init(rdev);
3238	if (r)
3239		return r;
3240	if (rdev->flags & RADEON_IS_AGP) {
3241		r = radeon_agp_init(rdev);
3242		if (r)
3243			radeon_agp_disable(rdev);
3244	}
3245	r = r600_mc_init(rdev);
3246	if (r)
3247		return r;
3248	/* Memory manager */
3249	r = radeon_bo_init(rdev);
3250	if (r)
3251		return r;
3252
3253	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3254		r = r600_init_microcode(rdev);
3255		if (r) {
3256			DRM_ERROR("Failed to load firmware!\n");
3257			return r;
3258		}
3259	}
3260
3261	/* Initialize power management */
3262	radeon_pm_init(rdev);
3263
3264	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3265	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3266
3267	if (rdev->has_uvd) {
3268		r = radeon_uvd_init(rdev);
3269		if (!r) {
3270			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
3271			r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
3272		}
3273	}
3274
3275	rdev->ih.ring_obj = NULL;
3276	r600_ih_ring_init(rdev, 64 * 1024);
3277
3278	r = r600_pcie_gart_init(rdev);
3279	if (r)
3280		return r;
3281
3282	rdev->accel_working = true;
3283	r = r600_startup(rdev);
3284	if (r) {
3285		dev_err(rdev->dev, "disabling GPU acceleration\n");
3286		r600_cp_fini(rdev);
3287		r600_irq_fini(rdev);
3288		radeon_wb_fini(rdev);
3289		radeon_ib_pool_fini(rdev);
3290		radeon_irq_kms_fini(rdev);
3291		r600_pcie_gart_fini(rdev);
3292		rdev->accel_working = false;
3293	}
 
 
 
 
 
 
 
 
 
 
 
 
 
3294
 
 
 
3295	return 0;
3296}
3297
3298void r600_fini(struct radeon_device *rdev)
3299{
3300	radeon_pm_fini(rdev);
3301	radeon_audio_fini(rdev);
3302	r600_cp_fini(rdev);
3303	r600_irq_fini(rdev);
3304	if (rdev->has_uvd) {
3305		uvd_v1_0_fini(rdev);
3306		radeon_uvd_fini(rdev);
3307	}
3308	radeon_wb_fini(rdev);
3309	radeon_ib_pool_fini(rdev);
3310	radeon_irq_kms_fini(rdev);
3311	r600_pcie_gart_fini(rdev);
3312	r600_vram_scratch_fini(rdev);
3313	radeon_agp_fini(rdev);
3314	radeon_gem_fini(rdev);
3315	radeon_fence_driver_fini(rdev);
3316	radeon_bo_fini(rdev);
3317	radeon_atombios_fini(rdev);
3318	kfree(rdev->bios);
3319	rdev->bios = NULL;
3320}
3321
3322
3323/*
3324 * CS stuff
3325 */
3326void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3327{
3328	struct radeon_ring *ring = &rdev->ring[ib->ring];
3329	u32 next_rptr;
3330
3331	if (ring->rptr_save_reg) {
3332		next_rptr = ring->wptr + 3 + 4;
3333		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3334		radeon_ring_write(ring, ((ring->rptr_save_reg -
3335					 PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3336		radeon_ring_write(ring, next_rptr);
3337	} else if (rdev->wb.enabled) {
3338		next_rptr = ring->wptr + 5 + 4;
3339		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3340		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3341		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3342		radeon_ring_write(ring, next_rptr);
3343		radeon_ring_write(ring, 0);
3344	}
3345
3346	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3347	radeon_ring_write(ring,
3348#ifdef __BIG_ENDIAN
3349			  (2 << 0) |
3350#endif
3351			  (ib->gpu_addr & 0xFFFFFFFC));
3352	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3353	radeon_ring_write(ring, ib->length_dw);
3354}
3355
3356int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3357{
3358	struct radeon_ib ib;
3359	uint32_t scratch;
3360	uint32_t tmp = 0;
3361	unsigned i;
3362	int r;
3363
3364	r = radeon_scratch_get(rdev, &scratch);
3365	if (r) {
3366		DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3367		return r;
3368	}
3369	WREG32(scratch, 0xCAFEDEAD);
3370	r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3371	if (r) {
3372		DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3373		goto free_scratch;
3374	}
3375	ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3376	ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3377	ib.ptr[2] = 0xDEADBEEF;
3378	ib.length_dw = 3;
3379	r = radeon_ib_schedule(rdev, &ib, NULL, false);
 
 
 
 
 
 
 
 
 
 
 
 
 
3380	if (r) {
 
 
3381		DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3382		goto free_ib;
3383	}
3384	r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3385		RADEON_USEC_IB_TEST_TIMEOUT));
3386	if (r < 0) {
3387		DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3388		goto free_ib;
3389	} else if (r == 0) {
3390		DRM_ERROR("radeon: fence wait timed out.\n");
3391		r = -ETIMEDOUT;
3392		goto free_ib;
3393	}
3394	r = 0;
3395	for (i = 0; i < rdev->usec_timeout; i++) {
3396		tmp = RREG32(scratch);
3397		if (tmp == 0xDEADBEEF)
3398			break;
3399		DRM_UDELAY(1);
3400	}
3401	if (i < rdev->usec_timeout) {
3402		DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3403	} else {
3404		DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3405			  scratch, tmp);
3406		r = -EINVAL;
3407	}
3408free_ib:
3409	radeon_ib_free(rdev, &ib);
3410free_scratch:
3411	radeon_scratch_free(rdev, scratch);
3412	return r;
3413}
3414
3415/*
3416 * Interrupts
3417 *
3418 * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
3419 * the same as the CP ring buffer, but in reverse.  Rather than the CPU
3420 * writing to the ring and the GPU consuming, the GPU writes to the ring
3421 * and host consumes.  As the host irq handler processes interrupts, it
3422 * increments the rptr.  When the rptr catches up with the wptr, all the
3423 * current interrupts have been processed.
3424 */
3425
3426void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3427{
3428	u32 rb_bufsz;
3429
3430	/* Align ring size */
3431	rb_bufsz = order_base_2(ring_size / 4);
3432	ring_size = (1 << rb_bufsz) * 4;
3433	rdev->ih.ring_size = ring_size;
3434	rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3435	rdev->ih.rptr = 0;
3436}
3437
3438int r600_ih_ring_alloc(struct radeon_device *rdev)
3439{
3440	int r;
3441
3442	/* Allocate ring buffer */
3443	if (rdev->ih.ring_obj == NULL) {
3444		r = radeon_bo_create(rdev, rdev->ih.ring_size,
3445				     PAGE_SIZE, true,
3446				     RADEON_GEM_DOMAIN_GTT, 0,
3447				     NULL, NULL, &rdev->ih.ring_obj);
3448		if (r) {
3449			DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3450			return r;
3451		}
3452		r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3453		if (unlikely(r != 0))
3454			return r;
3455		r = radeon_bo_pin(rdev->ih.ring_obj,
3456				  RADEON_GEM_DOMAIN_GTT,
3457				  &rdev->ih.gpu_addr);
3458		if (r) {
3459			radeon_bo_unreserve(rdev->ih.ring_obj);
3460			DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3461			return r;
3462		}
3463		r = radeon_bo_kmap(rdev->ih.ring_obj,
3464				   (void **)&rdev->ih.ring);
3465		radeon_bo_unreserve(rdev->ih.ring_obj);
3466		if (r) {
3467			DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3468			return r;
3469		}
3470	}
3471	return 0;
3472}
3473
3474void r600_ih_ring_fini(struct radeon_device *rdev)
3475{
3476	int r;
3477	if (rdev->ih.ring_obj) {
3478		r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3479		if (likely(r == 0)) {
3480			radeon_bo_kunmap(rdev->ih.ring_obj);
3481			radeon_bo_unpin(rdev->ih.ring_obj);
3482			radeon_bo_unreserve(rdev->ih.ring_obj);
3483		}
3484		radeon_bo_unref(&rdev->ih.ring_obj);
3485		rdev->ih.ring = NULL;
3486		rdev->ih.ring_obj = NULL;
3487	}
3488}
3489
3490void r600_rlc_stop(struct radeon_device *rdev)
3491{
3492
3493	if ((rdev->family >= CHIP_RV770) &&
3494	    (rdev->family <= CHIP_RV740)) {
3495		/* r7xx asics need to soft reset RLC before halting */
3496		WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3497		RREG32(SRBM_SOFT_RESET);
3498		mdelay(15);
3499		WREG32(SRBM_SOFT_RESET, 0);
3500		RREG32(SRBM_SOFT_RESET);
3501	}
3502
3503	WREG32(RLC_CNTL, 0);
3504}
3505
3506static void r600_rlc_start(struct radeon_device *rdev)
3507{
3508	WREG32(RLC_CNTL, RLC_ENABLE);
3509}
3510
3511static int r600_rlc_resume(struct radeon_device *rdev)
3512{
3513	u32 i;
3514	const __be32 *fw_data;
3515
3516	if (!rdev->rlc_fw)
3517		return -EINVAL;
3518
3519	r600_rlc_stop(rdev);
3520
 
3521	WREG32(RLC_HB_CNTL, 0);
3522
3523	WREG32(RLC_HB_BASE, 0);
3524	WREG32(RLC_HB_RPTR, 0);
3525	WREG32(RLC_HB_WPTR, 0);
3526	WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3527	WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
 
 
3528	WREG32(RLC_MC_CNTL, 0);
3529	WREG32(RLC_UCODE_CNTL, 0);
3530
3531	fw_data = (const __be32 *)rdev->rlc_fw->data;
3532	if (rdev->family >= CHIP_RV770) {
 
 
 
 
 
 
 
 
 
 
3533		for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3534			WREG32(RLC_UCODE_ADDR, i);
3535			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3536		}
3537	} else {
3538		for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
3539			WREG32(RLC_UCODE_ADDR, i);
3540			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3541		}
3542	}
3543	WREG32(RLC_UCODE_ADDR, 0);
3544
3545	r600_rlc_start(rdev);
3546
3547	return 0;
3548}
3549
3550static void r600_enable_interrupts(struct radeon_device *rdev)
3551{
3552	u32 ih_cntl = RREG32(IH_CNTL);
3553	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3554
3555	ih_cntl |= ENABLE_INTR;
3556	ih_rb_cntl |= IH_RB_ENABLE;
3557	WREG32(IH_CNTL, ih_cntl);
3558	WREG32(IH_RB_CNTL, ih_rb_cntl);
3559	rdev->ih.enabled = true;
3560}
3561
3562void r600_disable_interrupts(struct radeon_device *rdev)
3563{
3564	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3565	u32 ih_cntl = RREG32(IH_CNTL);
3566
3567	ih_rb_cntl &= ~IH_RB_ENABLE;
3568	ih_cntl &= ~ENABLE_INTR;
3569	WREG32(IH_RB_CNTL, ih_rb_cntl);
3570	WREG32(IH_CNTL, ih_cntl);
3571	/* set rptr, wptr to 0 */
3572	WREG32(IH_RB_RPTR, 0);
3573	WREG32(IH_RB_WPTR, 0);
3574	rdev->ih.enabled = false;
 
3575	rdev->ih.rptr = 0;
3576}
3577
3578static void r600_disable_interrupt_state(struct radeon_device *rdev)
3579{
3580	u32 tmp;
3581
3582	WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3583	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3584	WREG32(DMA_CNTL, tmp);
3585	WREG32(GRBM_INT_CNTL, 0);
3586	WREG32(DxMODE_INT_MASK, 0);
3587	WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3588	WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3589	if (ASIC_IS_DCE3(rdev)) {
3590		WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3591		WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3592		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3593		WREG32(DC_HPD1_INT_CONTROL, tmp);
3594		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3595		WREG32(DC_HPD2_INT_CONTROL, tmp);
3596		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3597		WREG32(DC_HPD3_INT_CONTROL, tmp);
3598		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3599		WREG32(DC_HPD4_INT_CONTROL, tmp);
3600		if (ASIC_IS_DCE32(rdev)) {
3601			tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3602			WREG32(DC_HPD5_INT_CONTROL, tmp);
3603			tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3604			WREG32(DC_HPD6_INT_CONTROL, tmp);
3605			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3606			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3607			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3608			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3609		} else {
3610			tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3611			WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3612			tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3613			WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3614		}
3615	} else {
3616		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
3617		WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
3618		tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3619		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3620		tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3621		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3622		tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3623		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3624		tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3625		WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3626		tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3627		WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3628	}
3629}
3630
3631int r600_irq_init(struct radeon_device *rdev)
3632{
3633	int ret = 0;
3634	int rb_bufsz;
3635	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
3636
3637	/* allocate ring */
3638	ret = r600_ih_ring_alloc(rdev);
3639	if (ret)
3640		return ret;
3641
3642	/* disable irqs */
3643	r600_disable_interrupts(rdev);
3644
3645	/* init rlc */
3646	if (rdev->family >= CHIP_CEDAR)
3647		ret = evergreen_rlc_resume(rdev);
3648	else
3649		ret = r600_rlc_resume(rdev);
3650	if (ret) {
3651		r600_ih_ring_fini(rdev);
3652		return ret;
3653	}
3654
3655	/* setup interrupt control */
3656	/* set dummy read address to ring address */
3657	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
3658	interrupt_cntl = RREG32(INTERRUPT_CNTL);
3659	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
3660	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
3661	 */
3662	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
3663	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
3664	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
3665	WREG32(INTERRUPT_CNTL, interrupt_cntl);
3666
3667	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
3668	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
3669
3670	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
3671		      IH_WPTR_OVERFLOW_CLEAR |
3672		      (rb_bufsz << 1));
3673
3674	if (rdev->wb.enabled)
3675		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
3676
3677	/* set the writeback address whether it's enabled or not */
3678	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3679	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3680
3681	WREG32(IH_RB_CNTL, ih_rb_cntl);
3682
3683	/* set rptr, wptr to 0 */
3684	WREG32(IH_RB_RPTR, 0);
3685	WREG32(IH_RB_WPTR, 0);
3686
3687	/* Default settings for IH_CNTL (disabled at first) */
3688	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3689	/* RPTR_REARM only works if msi's are enabled */
3690	if (rdev->msi_enabled)
3691		ih_cntl |= RPTR_REARM;
3692	WREG32(IH_CNTL, ih_cntl);
3693
3694	/* force the active interrupt state to all disabled */
3695	if (rdev->family >= CHIP_CEDAR)
3696		evergreen_disable_interrupt_state(rdev);
3697	else
3698		r600_disable_interrupt_state(rdev);
3699
3700	/* at this point everything should be setup correctly to enable master */
3701	pci_set_master(rdev->pdev);
3702
3703	/* enable irqs */
3704	r600_enable_interrupts(rdev);
3705
3706	return ret;
3707}
3708
3709void r600_irq_suspend(struct radeon_device *rdev)
3710{
3711	r600_irq_disable(rdev);
3712	r600_rlc_stop(rdev);
3713}
3714
3715void r600_irq_fini(struct radeon_device *rdev)
3716{
3717	r600_irq_suspend(rdev);
3718	r600_ih_ring_fini(rdev);
3719}
3720
3721int r600_irq_set(struct radeon_device *rdev)
3722{
3723	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3724	u32 mode_int = 0;
3725	u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3726	u32 grbm_int_cntl = 0;
3727	u32 hdmi0, hdmi1;
3728	u32 dma_cntl;
3729	u32 thermal_int = 0;
3730
3731	if (!rdev->irq.installed) {
3732		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3733		return -EINVAL;
3734	}
3735	/* don't enable anything if the ih is disabled */
3736	if (!rdev->ih.enabled) {
3737		r600_disable_interrupts(rdev);
3738		/* force the active interrupt state to all disabled */
3739		r600_disable_interrupt_state(rdev);
3740		return 0;
3741	}
3742
 
3743	if (ASIC_IS_DCE3(rdev)) {
 
3744		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3745		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3746		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3747		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3748		if (ASIC_IS_DCE32(rdev)) {
3749			hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3750			hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3751			hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3752			hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3753		} else {
3754			hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3755			hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3756		}
3757	} else {
 
3758		hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3759		hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3760		hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3761		hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3762		hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3763	}
3764
3765	dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3766
3767	if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3768		thermal_int = RREG32(CG_THERMAL_INT) &
3769			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3770	} else if (rdev->family >= CHIP_RV770) {
3771		thermal_int = RREG32(RV770_CG_THERMAL_INT) &
3772			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3773	}
3774	if (rdev->irq.dpm_thermal) {
3775		DRM_DEBUG("dpm thermal\n");
3776		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
3777	}
3778
3779	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
3780		DRM_DEBUG("r600_irq_set: sw int\n");
3781		cp_int_cntl |= RB_INT_ENABLE;
3782		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3783	}
3784
3785	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
3786		DRM_DEBUG("r600_irq_set: sw int dma\n");
3787		dma_cntl |= TRAP_ENABLE;
3788	}
3789
3790	if (rdev->irq.crtc_vblank_int[0] ||
3791	    atomic_read(&rdev->irq.pflip[0])) {
3792		DRM_DEBUG("r600_irq_set: vblank 0\n");
3793		mode_int |= D1MODE_VBLANK_INT_MASK;
3794	}
3795	if (rdev->irq.crtc_vblank_int[1] ||
3796	    atomic_read(&rdev->irq.pflip[1])) {
3797		DRM_DEBUG("r600_irq_set: vblank 1\n");
3798		mode_int |= D2MODE_VBLANK_INT_MASK;
3799	}
3800	if (rdev->irq.hpd[0]) {
3801		DRM_DEBUG("r600_irq_set: hpd 1\n");
3802		hpd1 |= DC_HPDx_INT_EN;
3803	}
3804	if (rdev->irq.hpd[1]) {
3805		DRM_DEBUG("r600_irq_set: hpd 2\n");
3806		hpd2 |= DC_HPDx_INT_EN;
3807	}
3808	if (rdev->irq.hpd[2]) {
3809		DRM_DEBUG("r600_irq_set: hpd 3\n");
3810		hpd3 |= DC_HPDx_INT_EN;
3811	}
3812	if (rdev->irq.hpd[3]) {
3813		DRM_DEBUG("r600_irq_set: hpd 4\n");
3814		hpd4 |= DC_HPDx_INT_EN;
3815	}
3816	if (rdev->irq.hpd[4]) {
3817		DRM_DEBUG("r600_irq_set: hpd 5\n");
3818		hpd5 |= DC_HPDx_INT_EN;
3819	}
3820	if (rdev->irq.hpd[5]) {
3821		DRM_DEBUG("r600_irq_set: hpd 6\n");
3822		hpd6 |= DC_HPDx_INT_EN;
3823	}
3824	if (rdev->irq.afmt[0]) {
3825		DRM_DEBUG("r600_irq_set: hdmi 0\n");
3826		hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3827	}
3828	if (rdev->irq.afmt[1]) {
3829		DRM_DEBUG("r600_irq_set: hdmi 0\n");
3830		hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
 
 
 
 
3831	}
3832
3833	WREG32(CP_INT_CNTL, cp_int_cntl);
3834	WREG32(DMA_CNTL, dma_cntl);
3835	WREG32(DxMODE_INT_MASK, mode_int);
3836	WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3837	WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3838	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
 
3839	if (ASIC_IS_DCE3(rdev)) {
 
3840		WREG32(DC_HPD1_INT_CONTROL, hpd1);
3841		WREG32(DC_HPD2_INT_CONTROL, hpd2);
3842		WREG32(DC_HPD3_INT_CONTROL, hpd3);
3843		WREG32(DC_HPD4_INT_CONTROL, hpd4);
3844		if (ASIC_IS_DCE32(rdev)) {
3845			WREG32(DC_HPD5_INT_CONTROL, hpd5);
3846			WREG32(DC_HPD6_INT_CONTROL, hpd6);
3847			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
3848			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
3849		} else {
3850			WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3851			WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3852		}
3853	} else {
 
3854		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3855		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3856		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3857		WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3858		WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3859	}
3860	if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3861		WREG32(CG_THERMAL_INT, thermal_int);
3862	} else if (rdev->family >= CHIP_RV770) {
3863		WREG32(RV770_CG_THERMAL_INT, thermal_int);
3864	}
3865
3866	/* posting read */
3867	RREG32(R_000E50_SRBM_STATUS);
3868
3869	return 0;
3870}
3871
3872static void r600_irq_ack(struct radeon_device *rdev)
3873{
3874	u32 tmp;
3875
3876	if (ASIC_IS_DCE3(rdev)) {
3877		rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3878		rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3879		rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3880		if (ASIC_IS_DCE32(rdev)) {
3881			rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
3882			rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
3883		} else {
3884			rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3885			rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
3886		}
3887	} else {
3888		rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3889		rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3890		rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3891		rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3892		rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
3893	}
3894	rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3895	rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3896
3897	if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3898		WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3899	if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3900		WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3901	if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3902		WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3903	if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3904		WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3905	if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3906		WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3907	if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3908		WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3909	if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3910		if (ASIC_IS_DCE3(rdev)) {
3911			tmp = RREG32(DC_HPD1_INT_CONTROL);
3912			tmp |= DC_HPDx_INT_ACK;
3913			WREG32(DC_HPD1_INT_CONTROL, tmp);
3914		} else {
3915			tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3916			tmp |= DC_HPDx_INT_ACK;
3917			WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3918		}
3919	}
3920	if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3921		if (ASIC_IS_DCE3(rdev)) {
3922			tmp = RREG32(DC_HPD2_INT_CONTROL);
3923			tmp |= DC_HPDx_INT_ACK;
3924			WREG32(DC_HPD2_INT_CONTROL, tmp);
3925		} else {
3926			tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3927			tmp |= DC_HPDx_INT_ACK;
3928			WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3929		}
3930	}
3931	if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3932		if (ASIC_IS_DCE3(rdev)) {
3933			tmp = RREG32(DC_HPD3_INT_CONTROL);
3934			tmp |= DC_HPDx_INT_ACK;
3935			WREG32(DC_HPD3_INT_CONTROL, tmp);
3936		} else {
3937			tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3938			tmp |= DC_HPDx_INT_ACK;
3939			WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3940		}
3941	}
3942	if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3943		tmp = RREG32(DC_HPD4_INT_CONTROL);
3944		tmp |= DC_HPDx_INT_ACK;
3945		WREG32(DC_HPD4_INT_CONTROL, tmp);
3946	}
3947	if (ASIC_IS_DCE32(rdev)) {
3948		if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3949			tmp = RREG32(DC_HPD5_INT_CONTROL);
3950			tmp |= DC_HPDx_INT_ACK;
3951			WREG32(DC_HPD5_INT_CONTROL, tmp);
3952		}
3953		if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3954			tmp = RREG32(DC_HPD5_INT_CONTROL);
3955			tmp |= DC_HPDx_INT_ACK;
3956			WREG32(DC_HPD6_INT_CONTROL, tmp);
3957		}
3958		if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
3959			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
3960			tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
3961			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3962		}
3963		if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
3964			tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
3965			tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
3966			WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3967		}
3968	} else {
3969		if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
3970			tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
3971			tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3972			WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3973		}
3974		if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
3975			if (ASIC_IS_DCE3(rdev)) {
3976				tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
3977				tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3978				WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3979			} else {
3980				tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
3981				tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
3982				WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3983			}
3984		}
3985	}
3986}
3987
3988void r600_irq_disable(struct radeon_device *rdev)
3989{
3990	r600_disable_interrupts(rdev);
3991	/* Wait and acknowledge irq */
3992	mdelay(1);
3993	r600_irq_ack(rdev);
3994	r600_disable_interrupt_state(rdev);
3995}
3996
3997static u32 r600_get_ih_wptr(struct radeon_device *rdev)
3998{
3999	u32 wptr, tmp;
4000
4001	if (rdev->wb.enabled)
4002		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4003	else
4004		wptr = RREG32(IH_RB_WPTR);
4005
4006	if (wptr & RB_OVERFLOW) {
4007		wptr &= ~RB_OVERFLOW;
4008		/* When a ring buffer overflow happen start parsing interrupt
4009		 * from the last not overwritten vector (wptr + 16). Hopefully
4010		 * this should allow us to catchup.
4011		 */
4012		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4013			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4014		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4015		tmp = RREG32(IH_RB_CNTL);
4016		tmp |= IH_WPTR_OVERFLOW_CLEAR;
4017		WREG32(IH_RB_CNTL, tmp);
4018	}
4019	return (wptr & rdev->ih.ptr_mask);
4020}
4021
4022/*        r600 IV Ring
4023 * Each IV ring entry is 128 bits:
4024 * [7:0]    - interrupt source id
4025 * [31:8]   - reserved
4026 * [59:32]  - interrupt source data
4027 * [127:60]  - reserved
4028 *
4029 * The basic interrupt vector entries
4030 * are decoded as follows:
4031 * src_id  src_data  description
4032 *      1         0  D1 Vblank
4033 *      1         1  D1 Vline
4034 *      5         0  D2 Vblank
4035 *      5         1  D2 Vline
4036 *     19         0  FP Hot plug detection A
4037 *     19         1  FP Hot plug detection B
4038 *     19         2  DAC A auto-detection
4039 *     19         3  DAC B auto-detection
4040 *     21         4  HDMI block A
4041 *     21         5  HDMI block B
4042 *    176         -  CP_INT RB
4043 *    177         -  CP_INT IB1
4044 *    178         -  CP_INT IB2
4045 *    181         -  EOP Interrupt
4046 *    233         -  GUI Idle
4047 *
4048 * Note, these are based on r600 and may need to be
4049 * adjusted or added to on newer asics
4050 */
4051
4052int r600_irq_process(struct radeon_device *rdev)
4053{
4054	u32 wptr;
4055	u32 rptr;
4056	u32 src_id, src_data;
4057	u32 ring_index;
 
4058	bool queue_hotplug = false;
4059	bool queue_hdmi = false;
4060	bool queue_thermal = false;
4061
4062	if (!rdev->ih.enabled || rdev->shutdown)
4063		return IRQ_NONE;
4064
4065	/* No MSIs, need a dummy read to flush PCI DMAs */
4066	if (!rdev->msi_enabled)
4067		RREG32(IH_RB_WPTR);
4068
4069	wptr = r600_get_ih_wptr(rdev);
 
 
 
 
4070
4071restart_ih:
4072	/* is somebody else already processing irqs? */
4073	if (atomic_xchg(&rdev->ih.lock, 1))
4074		return IRQ_NONE;
 
4075
4076	rptr = rdev->ih.rptr;
4077	DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4078
4079	/* Order reading of wptr vs. reading of IH ring data */
4080	rmb();
4081
4082	/* display interrupts */
4083	r600_irq_ack(rdev);
4084
 
4085	while (rptr != wptr) {
4086		/* wptr/rptr are in bytes! */
4087		ring_index = rptr / 4;
4088		src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4089		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4090
4091		switch (src_id) {
4092		case 1: /* D1 vblank/vline */
4093			switch (src_data) {
4094			case 0: /* D1 vblank */
4095				if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT))
4096					DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n");
4097
4098				if (rdev->irq.crtc_vblank_int[0]) {
4099					drm_handle_vblank(rdev->ddev, 0);
4100					rdev->pm.vblank_sync = true;
4101					wake_up(&rdev->irq.vblank_queue);
 
 
 
4102				}
4103				if (atomic_read(&rdev->irq.pflip[0]))
4104					radeon_crtc_handle_vblank(rdev, 0);
4105				rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4106				DRM_DEBUG("IH: D1 vblank\n");
4107
4108				break;
4109			case 1: /* D1 vline */
4110				if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT))
4111				    DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n");
4112
4113				rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4114				DRM_DEBUG("IH: D1 vline\n");
4115
4116				break;
4117			default:
4118				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4119				break;
4120			}
4121			break;
4122		case 5: /* D2 vblank/vline */
4123			switch (src_data) {
4124			case 0: /* D2 vblank */
4125				if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT))
4126					DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n");
4127
4128				if (rdev->irq.crtc_vblank_int[1]) {
4129					drm_handle_vblank(rdev->ddev, 1);
4130					rdev->pm.vblank_sync = true;
4131					wake_up(&rdev->irq.vblank_queue);
 
 
 
4132				}
4133				if (atomic_read(&rdev->irq.pflip[1]))
4134					radeon_crtc_handle_vblank(rdev, 1);
4135				rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
4136				DRM_DEBUG("IH: D2 vblank\n");
4137
4138				break;
4139			case 1: /* D1 vline */
4140				if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT))
4141					DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n");
4142
4143				rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
4144				DRM_DEBUG("IH: D2 vline\n");
4145
4146				break;
4147			default:
4148				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4149				break;
4150			}
4151			break;
4152		case 9: /* D1 pflip */
4153			DRM_DEBUG("IH: D1 flip\n");
4154			if (radeon_use_pflipirq > 0)
4155				radeon_crtc_handle_flip(rdev, 0);
4156			break;
4157		case 11: /* D2 pflip */
4158			DRM_DEBUG("IH: D2 flip\n");
4159			if (radeon_use_pflipirq > 0)
4160				radeon_crtc_handle_flip(rdev, 1);
4161			break;
4162		case 19: /* HPD/DAC hotplug */
4163			switch (src_data) {
4164			case 0:
4165				if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT))
4166					DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n");
4167
4168				rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
4169				queue_hotplug = true;
4170				DRM_DEBUG("IH: HPD1\n");
4171				break;
4172			case 1:
4173				if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT))
4174					DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n");
4175
4176				rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
4177				queue_hotplug = true;
4178				DRM_DEBUG("IH: HPD2\n");
4179				break;
4180			case 4:
4181				if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT))
4182					DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n");
4183
4184				rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
4185				queue_hotplug = true;
4186				DRM_DEBUG("IH: HPD3\n");
4187				break;
4188			case 5:
4189				if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT))
4190					DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n");
4191
4192				rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
4193				queue_hotplug = true;
4194				DRM_DEBUG("IH: HPD4\n");
4195				break;
4196			case 10:
4197				if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT))
4198					DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n");
4199
4200				rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
4201				queue_hotplug = true;
4202				DRM_DEBUG("IH: HPD5\n");
4203				break;
4204			case 12:
4205				if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT))
4206					DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n");
4207
4208				rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
4209				queue_hotplug = true;
4210				DRM_DEBUG("IH: HPD6\n");
4211
4212				break;
4213			default:
4214				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4215				break;
4216			}
4217			break;
4218		case 21: /* hdmi */
4219			switch (src_data) {
4220			case 4:
4221				if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG))
4222					DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n");
4223
4224				rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4225				queue_hdmi = true;
4226				DRM_DEBUG("IH: HDMI0\n");
4227
4228				break;
4229			case 5:
4230				if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG))
4231					DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n");
4232
4233				rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4234				queue_hdmi = true;
4235				DRM_DEBUG("IH: HDMI1\n");
4236
4237				break;
4238			default:
4239				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
4240				break;
4241			}
4242			break;
4243		case 124: /* UVD */
4244			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4245			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4246			break;
4247		case 176: /* CP_INT in ring buffer */
4248		case 177: /* CP_INT in IB1 */
4249		case 178: /* CP_INT in IB2 */
4250			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4251			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4252			break;
4253		case 181: /* CP EOP event */
4254			DRM_DEBUG("IH: CP EOP\n");
4255			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4256			break;
4257		case 224: /* DMA trap event */
4258			DRM_DEBUG("IH: DMA trap\n");
4259			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4260			break;
4261		case 230: /* thermal low to high */
4262			DRM_DEBUG("IH: thermal low to high\n");
4263			rdev->pm.dpm.thermal.high_to_low = false;
4264			queue_thermal = true;
4265			break;
4266		case 231: /* thermal high to low */
4267			DRM_DEBUG("IH: thermal high to low\n");
4268			rdev->pm.dpm.thermal.high_to_low = true;
4269			queue_thermal = true;
4270			break;
4271		case 233: /* GUI IDLE */
4272			DRM_DEBUG("IH: GUI idle\n");
 
 
4273			break;
4274		default:
4275			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4276			break;
4277		}
4278
4279		/* wptr/rptr are in bytes! */
4280		rptr += 16;
4281		rptr &= rdev->ih.ptr_mask;
4282		WREG32(IH_RB_RPTR, rptr);
4283	}
4284	if (queue_hotplug)
4285		schedule_delayed_work(&rdev->hotplug_work, 0);
4286	if (queue_hdmi)
4287		schedule_work(&rdev->audio_work);
4288	if (queue_thermal && rdev->pm.dpm_enabled)
4289		schedule_work(&rdev->pm.dpm.thermal.work);
4290	rdev->ih.rptr = rptr;
4291	atomic_set(&rdev->ih.lock, 0);
4292
4293	/* make sure wptr hasn't changed while processing */
4294	wptr = r600_get_ih_wptr(rdev);
4295	if (wptr != rptr)
4296		goto restart_ih;
4297
 
 
 
 
4298	return IRQ_HANDLED;
4299}
4300
4301/*
4302 * Debugfs info
4303 */
4304#if defined(CONFIG_DEBUG_FS)
4305
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4306static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4307{
4308	struct drm_info_node *node = (struct drm_info_node *) m->private;
4309	struct drm_device *dev = node->minor->dev;
4310	struct radeon_device *rdev = dev->dev_private;
4311
4312	DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4313	DREG32_SYS(m, rdev, VM_L2_STATUS);
4314	return 0;
4315}
4316
4317static struct drm_info_list r600_mc_info_list[] = {
4318	{"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
 
4319};
4320#endif
4321
4322int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4323{
4324#if defined(CONFIG_DEBUG_FS)
4325	return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4326#else
4327	return 0;
4328#endif
4329}
4330
4331/**
4332 * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO
4333 * rdev: radeon device structure
 
4334 *
4335 * Some R6XX/R7XX don't seem to take into account HDP flushes performed
4336 * through the ring buffer. This leads to corruption in rendering, see
4337 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we
4338 * directly perform the HDP flush by writing the register through MMIO.
4339 */
4340void r600_mmio_hdp_flush(struct radeon_device *rdev)
4341{
4342	/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
4343	 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4344	 * This seems to cause problems on some AGP cards. Just use the old
4345	 * method for them.
4346	 */
4347	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4348	    rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4349		void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
4350		u32 tmp;
4351
4352		WREG32(HDP_DEBUG1, 0);
4353		tmp = readl((void __iomem *)ptr);
4354	} else
4355		WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4356}
4357
4358void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4359{
4360	u32 link_width_cntl, mask;
4361
4362	if (rdev->flags & RADEON_IS_IGP)
4363		return;
4364
4365	if (!(rdev->flags & RADEON_IS_PCIE))
4366		return;
4367
4368	/* x2 cards have a special sequence */
4369	if (ASIC_IS_X2(rdev))
4370		return;
4371
4372	radeon_gui_idle(rdev);
4373
4374	switch (lanes) {
4375	case 0:
4376		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4377		break;
4378	case 1:
4379		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4380		break;
4381	case 2:
4382		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4383		break;
4384	case 4:
4385		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4386		break;
4387	case 8:
4388		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4389		break;
4390	case 12:
4391		/* not actually supported */
4392		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4393		break;
4394	case 16:
 
4395		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4396		break;
4397	default:
4398		DRM_ERROR("invalid pcie lane request: %d\n", lanes);
 
 
 
 
 
 
 
4399		return;
4400	}
4401
4402	link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4403	link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4404	link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4405	link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4406			    R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4407
4408	WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4409}
4410
4411int r600_get_pcie_lanes(struct radeon_device *rdev)
4412{
4413	u32 link_width_cntl;
4414
4415	if (rdev->flags & RADEON_IS_IGP)
4416		return 0;
4417
4418	if (!(rdev->flags & RADEON_IS_PCIE))
4419		return 0;
4420
4421	/* x2 cards have a special sequence */
4422	if (ASIC_IS_X2(rdev))
4423		return 0;
4424
4425	radeon_gui_idle(rdev);
4426
4427	link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4428
4429	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 
 
4430	case RADEON_PCIE_LC_LINK_WIDTH_X1:
4431		return 1;
4432	case RADEON_PCIE_LC_LINK_WIDTH_X2:
4433		return 2;
4434	case RADEON_PCIE_LC_LINK_WIDTH_X4:
4435		return 4;
4436	case RADEON_PCIE_LC_LINK_WIDTH_X8:
4437		return 8;
4438	case RADEON_PCIE_LC_LINK_WIDTH_X12:
4439		/* not actually supported */
4440		return 12;
4441	case RADEON_PCIE_LC_LINK_WIDTH_X0:
4442	case RADEON_PCIE_LC_LINK_WIDTH_X16:
4443	default:
4444		return 16;
4445	}
4446}
4447
4448static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4449{
4450	u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4451	u16 link_cntl2;
4452
4453	if (radeon_pcie_gen2 == 0)
4454		return;
4455
4456	if (rdev->flags & RADEON_IS_IGP)
4457		return;
4458
4459	if (!(rdev->flags & RADEON_IS_PCIE))
4460		return;
4461
4462	/* x2 cards have a special sequence */
4463	if (ASIC_IS_X2(rdev))
4464		return;
4465
4466	/* only RV6xx+ chips are supported */
4467	if (rdev->family <= CHIP_R600)
4468		return;
4469
4470	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
4471		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
4472		return;
4473
4474	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4475	if (speed_cntl & LC_CURRENT_DATA_RATE) {
4476		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4477		return;
4478	}
4479
4480	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4481
4482	/* 55 nm r6xx asics */
4483	if ((rdev->family == CHIP_RV670) ||
4484	    (rdev->family == CHIP_RV620) ||
4485	    (rdev->family == CHIP_RV635)) {
4486		/* advertise upconfig capability */
4487		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4488		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4489		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4490		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4491		if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4492			lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4493			link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4494					     LC_RECONFIG_ARC_MISSING_ESCAPE);
4495			link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4496			WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4497		} else {
4498			link_width_cntl |= LC_UPCONFIGURE_DIS;
4499			WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4500		}
4501	}
4502
4503	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4504	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4505	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4506
4507		/* 55 nm r6xx asics */
4508		if ((rdev->family == CHIP_RV670) ||
4509		    (rdev->family == CHIP_RV620) ||
4510		    (rdev->family == CHIP_RV635)) {
4511			WREG32(MM_CFGREGS_CNTL, 0x8);
4512			link_cntl2 = RREG32(0x4088);
4513			WREG32(MM_CFGREGS_CNTL, 0);
4514			/* not supported yet */
4515			if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4516				return;
4517		}
4518
4519		speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4520		speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4521		speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4522		speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4523		speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4524		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4525
4526		tmp = RREG32(0x541c);
4527		WREG32(0x541c, tmp | 0x8);
4528		WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4529		link_cntl2 = RREG16(0x4088);
4530		link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4531		link_cntl2 |= 0x2;
4532		WREG16(0x4088, link_cntl2);
4533		WREG32(MM_CFGREGS_CNTL, 0);
4534
4535		if ((rdev->family == CHIP_RV670) ||
4536		    (rdev->family == CHIP_RV620) ||
4537		    (rdev->family == CHIP_RV635)) {
4538			training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4539			training_cntl &= ~LC_POINT_7_PLUS_EN;
4540			WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4541		} else {
4542			speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4543			speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4544			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4545		}
4546
4547		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4548		speed_cntl |= LC_GEN2_EN_STRAP;
4549		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4550
4551	} else {
4552		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4553		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4554		if (1)
4555			link_width_cntl |= LC_UPCONFIGURE_DIS;
4556		else
4557			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4558		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4559	}
4560}
4561
4562/**
4563 * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4564 *
4565 * @rdev: radeon_device pointer
4566 *
4567 * Fetches a GPU clock counter snapshot (R6xx-cayman).
4568 * Returns the 64 bit clock counter snapshot.
4569 */
4570uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4571{
4572	uint64_t clock;
4573
4574	mutex_lock(&rdev->gpu_clock_mutex);
4575	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4576	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4577		((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4578	mutex_unlock(&rdev->gpu_clock_mutex);
4579	return clock;
4580}