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v3.1
   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/seq_file.h>
  29#include <linux/slab.h>
  30#include "drmP.h"
  31#include "drm.h"
  32#include "radeon_drm.h"
  33#include "radeon_reg.h"
 
 
 
 
 
 
 
  34#include "radeon.h"
  35#include "radeon_asic.h"
  36#include "r100d.h"
 
  37#include "rs100d.h"
  38#include "rv200d.h"
  39#include "rv250d.h"
  40#include "atom.h"
  41
  42#include <linux/firmware.h>
  43#include <linux/platform_device.h>
  44
  45#include "r100_reg_safe.h"
  46#include "rn50_reg_safe.h"
  47
  48/* Firmware Names */
  49#define FIRMWARE_R100		"radeon/R100_cp.bin"
  50#define FIRMWARE_R200		"radeon/R200_cp.bin"
  51#define FIRMWARE_R300		"radeon/R300_cp.bin"
  52#define FIRMWARE_R420		"radeon/R420_cp.bin"
  53#define FIRMWARE_RS690		"radeon/RS690_cp.bin"
  54#define FIRMWARE_RS600		"radeon/RS600_cp.bin"
  55#define FIRMWARE_R520		"radeon/R520_cp.bin"
  56
  57MODULE_FIRMWARE(FIRMWARE_R100);
  58MODULE_FIRMWARE(FIRMWARE_R200);
  59MODULE_FIRMWARE(FIRMWARE_R300);
  60MODULE_FIRMWARE(FIRMWARE_R420);
  61MODULE_FIRMWARE(FIRMWARE_RS690);
  62MODULE_FIRMWARE(FIRMWARE_RS600);
  63MODULE_FIRMWARE(FIRMWARE_R520);
  64
  65#include "r100_track.h"
  66
  67/* This files gather functions specifics to:
  68 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
 
  69 */
  70
  71void r100_pre_page_flip(struct radeon_device *rdev, int crtc)
  72{
  73	/* enable the pflip int */
  74	radeon_irq_kms_pflip_irq_get(rdev, crtc);
 
 
 
 
 
 
 
 
 
  75}
  76
  77void r100_post_page_flip(struct radeon_device *rdev, int crtc)
  78{
  79	/* disable the pflip int */
  80	radeon_irq_kms_pflip_irq_put(rdev, crtc);
 
 
 
 
 
 
 
 
 
 
 
  81}
  82
  83u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  84{
  85	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 
 
  86	u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
 
  87
  88	/* Lock the graphics update lock */
  89	/* update the scanout addresses */
  90	WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
  91
 
 
 
 
 
 
 
  92	/* Wait for update_pending to go high. */
  93	while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET));
 
 
 
 
  94	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
  95
  96	/* Unlock the lock, so double-buffering can take place inside vblank */
  97	tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
  98	WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
  99
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 100	/* Return current update_pending status: */
 101	return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET;
 
 102}
 103
 
 
 
 
 
 
 
 
 
 104void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 105{
 106	int i;
 107	rdev->pm.dynpm_can_upclock = true;
 108	rdev->pm.dynpm_can_downclock = true;
 109
 110	switch (rdev->pm.dynpm_planned_action) {
 111	case DYNPM_ACTION_MINIMUM:
 112		rdev->pm.requested_power_state_index = 0;
 113		rdev->pm.dynpm_can_downclock = false;
 114		break;
 115	case DYNPM_ACTION_DOWNCLOCK:
 116		if (rdev->pm.current_power_state_index == 0) {
 117			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 118			rdev->pm.dynpm_can_downclock = false;
 119		} else {
 120			if (rdev->pm.active_crtc_count > 1) {
 121				for (i = 0; i < rdev->pm.num_power_states; i++) {
 122					if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 123						continue;
 124					else if (i >= rdev->pm.current_power_state_index) {
 125						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 126						break;
 127					} else {
 128						rdev->pm.requested_power_state_index = i;
 129						break;
 130					}
 131				}
 132			} else
 133				rdev->pm.requested_power_state_index =
 134					rdev->pm.current_power_state_index - 1;
 135		}
 136		/* don't use the power state if crtcs are active and no display flag is set */
 137		if ((rdev->pm.active_crtc_count > 0) &&
 138		    (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
 139		     RADEON_PM_MODE_NO_DISPLAY)) {
 140			rdev->pm.requested_power_state_index++;
 141		}
 142		break;
 143	case DYNPM_ACTION_UPCLOCK:
 144		if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 145			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 146			rdev->pm.dynpm_can_upclock = false;
 147		} else {
 148			if (rdev->pm.active_crtc_count > 1) {
 149				for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 150					if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 151						continue;
 152					else if (i <= rdev->pm.current_power_state_index) {
 153						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 154						break;
 155					} else {
 156						rdev->pm.requested_power_state_index = i;
 157						break;
 158					}
 159				}
 160			} else
 161				rdev->pm.requested_power_state_index =
 162					rdev->pm.current_power_state_index + 1;
 163		}
 164		break;
 165	case DYNPM_ACTION_DEFAULT:
 166		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 167		rdev->pm.dynpm_can_upclock = false;
 168		break;
 169	case DYNPM_ACTION_NONE:
 170	default:
 171		DRM_ERROR("Requested mode for not defined action\n");
 172		return;
 173	}
 174	/* only one clock mode per power state */
 175	rdev->pm.requested_clock_mode_index = 0;
 176
 177	DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 178		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 179		  clock_info[rdev->pm.requested_clock_mode_index].sclk,
 180		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 181		  clock_info[rdev->pm.requested_clock_mode_index].mclk,
 182		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 183		  pcie_lanes);
 184}
 185
 
 
 
 
 
 
 
 
 
 186void r100_pm_init_profile(struct radeon_device *rdev)
 187{
 188	/* default */
 189	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 190	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 191	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 192	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 193	/* low sh */
 194	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 195	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 196	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 197	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 198	/* mid sh */
 199	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 200	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 201	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 202	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 203	/* high sh */
 204	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 205	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 206	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 207	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 208	/* low mh */
 209	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 210	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 211	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 212	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 213	/* mid mh */
 214	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 215	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 216	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 217	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 218	/* high mh */
 219	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 220	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 221	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 222	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 223}
 224
 
 
 
 
 
 
 
 
 225void r100_pm_misc(struct radeon_device *rdev)
 226{
 227	int requested_index = rdev->pm.requested_power_state_index;
 228	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 229	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 230	u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
 231
 232	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 233		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 234			tmp = RREG32(voltage->gpio.reg);
 235			if (voltage->active_high)
 236				tmp |= voltage->gpio.mask;
 237			else
 238				tmp &= ~(voltage->gpio.mask);
 239			WREG32(voltage->gpio.reg, tmp);
 240			if (voltage->delay)
 241				udelay(voltage->delay);
 242		} else {
 243			tmp = RREG32(voltage->gpio.reg);
 244			if (voltage->active_high)
 245				tmp &= ~voltage->gpio.mask;
 246			else
 247				tmp |= voltage->gpio.mask;
 248			WREG32(voltage->gpio.reg, tmp);
 249			if (voltage->delay)
 250				udelay(voltage->delay);
 251		}
 252	}
 253
 254	sclk_cntl = RREG32_PLL(SCLK_CNTL);
 255	sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
 256	sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
 257	sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
 258	sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
 259	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 260		sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
 261		if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
 262			sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
 263		else
 264			sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
 265		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
 266			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
 267		else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
 268			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
 269	} else
 270		sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
 271
 272	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 273		sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
 274		if (voltage->delay) {
 275			sclk_more_cntl |= VOLTAGE_DROP_SYNC;
 276			switch (voltage->delay) {
 277			case 33:
 278				sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
 279				break;
 280			case 66:
 281				sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
 282				break;
 283			case 99:
 284				sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
 285				break;
 286			case 132:
 287				sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
 288				break;
 289			}
 290		} else
 291			sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
 292	} else
 293		sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
 294
 295	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 296		sclk_cntl &= ~FORCE_HDP;
 297	else
 298		sclk_cntl |= FORCE_HDP;
 299
 300	WREG32_PLL(SCLK_CNTL, sclk_cntl);
 301	WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
 302	WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
 303
 304	/* set pcie lanes */
 305	if ((rdev->flags & RADEON_IS_PCIE) &&
 306	    !(rdev->flags & RADEON_IS_IGP) &&
 307	    rdev->asic->set_pcie_lanes &&
 308	    (ps->pcie_lanes !=
 309	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 310		radeon_set_pcie_lanes(rdev,
 311				      ps->pcie_lanes);
 312		DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
 313	}
 314}
 315
 
 
 
 
 
 
 
 316void r100_pm_prepare(struct radeon_device *rdev)
 317{
 318	struct drm_device *ddev = rdev->ddev;
 319	struct drm_crtc *crtc;
 320	struct radeon_crtc *radeon_crtc;
 321	u32 tmp;
 322
 323	/* disable any active CRTCs */
 324	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 325		radeon_crtc = to_radeon_crtc(crtc);
 326		if (radeon_crtc->enabled) {
 327			if (radeon_crtc->crtc_id) {
 328				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 329				tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
 330				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 331			} else {
 332				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 333				tmp |= RADEON_CRTC_DISP_REQ_EN_B;
 334				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 335			}
 336		}
 337	}
 338}
 339
 
 
 
 
 
 
 
 340void r100_pm_finish(struct radeon_device *rdev)
 341{
 342	struct drm_device *ddev = rdev->ddev;
 343	struct drm_crtc *crtc;
 344	struct radeon_crtc *radeon_crtc;
 345	u32 tmp;
 346
 347	/* enable any active CRTCs */
 348	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 349		radeon_crtc = to_radeon_crtc(crtc);
 350		if (radeon_crtc->enabled) {
 351			if (radeon_crtc->crtc_id) {
 352				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 353				tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
 354				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 355			} else {
 356				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 357				tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
 358				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 359			}
 360		}
 361	}
 362}
 363
 
 
 
 
 
 
 
 
 364bool r100_gui_idle(struct radeon_device *rdev)
 365{
 366	if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
 367		return false;
 368	else
 369		return true;
 370}
 371
 372/* hpd for digital panel detect/disconnect */
 
 
 
 
 
 
 
 
 
 373bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 374{
 375	bool connected = false;
 376
 377	switch (hpd) {
 378	case RADEON_HPD_1:
 379		if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
 380			connected = true;
 381		break;
 382	case RADEON_HPD_2:
 383		if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
 384			connected = true;
 385		break;
 386	default:
 387		break;
 388	}
 389	return connected;
 390}
 391
 
 
 
 
 
 
 
 
 392void r100_hpd_set_polarity(struct radeon_device *rdev,
 393			   enum radeon_hpd_id hpd)
 394{
 395	u32 tmp;
 396	bool connected = r100_hpd_sense(rdev, hpd);
 397
 398	switch (hpd) {
 399	case RADEON_HPD_1:
 400		tmp = RREG32(RADEON_FP_GEN_CNTL);
 401		if (connected)
 402			tmp &= ~RADEON_FP_DETECT_INT_POL;
 403		else
 404			tmp |= RADEON_FP_DETECT_INT_POL;
 405		WREG32(RADEON_FP_GEN_CNTL, tmp);
 406		break;
 407	case RADEON_HPD_2:
 408		tmp = RREG32(RADEON_FP2_GEN_CNTL);
 409		if (connected)
 410			tmp &= ~RADEON_FP2_DETECT_INT_POL;
 411		else
 412			tmp |= RADEON_FP2_DETECT_INT_POL;
 413		WREG32(RADEON_FP2_GEN_CNTL, tmp);
 414		break;
 415	default:
 416		break;
 417	}
 418}
 419
 
 
 
 
 
 
 
 
 420void r100_hpd_init(struct radeon_device *rdev)
 421{
 422	struct drm_device *dev = rdev->ddev;
 423	struct drm_connector *connector;
 
 424
 425	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 426		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 427		switch (radeon_connector->hpd.hpd) {
 428		case RADEON_HPD_1:
 429			rdev->irq.hpd[0] = true;
 430			break;
 431		case RADEON_HPD_2:
 432			rdev->irq.hpd[1] = true;
 433			break;
 434		default:
 435			break;
 436		}
 437	}
 438	if (rdev->irq.installed)
 439		r100_irq_set(rdev);
 440}
 441
 
 
 
 
 
 
 
 
 442void r100_hpd_fini(struct radeon_device *rdev)
 443{
 444	struct drm_device *dev = rdev->ddev;
 445	struct drm_connector *connector;
 
 446
 447	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 448		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 449		switch (radeon_connector->hpd.hpd) {
 450		case RADEON_HPD_1:
 451			rdev->irq.hpd[0] = false;
 452			break;
 453		case RADEON_HPD_2:
 454			rdev->irq.hpd[1] = false;
 455			break;
 456		default:
 457			break;
 458		}
 459	}
 
 460}
 461
 462/*
 463 * PCI GART
 464 */
 465void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 466{
 467	/* TODO: can we do somethings here ? */
 468	/* It seems hw only cache one entry so we should discard this
 469	 * entry otherwise if first GPU GART read hit this entry it
 470	 * could end up in wrong address. */
 471}
 472
 473int r100_pci_gart_init(struct radeon_device *rdev)
 474{
 475	int r;
 476
 477	if (rdev->gart.table.ram.ptr) {
 478		WARN(1, "R100 PCI GART already initialized\n");
 479		return 0;
 480	}
 481	/* Initialize common gart structure */
 482	r = radeon_gart_init(rdev);
 483	if (r)
 484		return r;
 485	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 486	rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
 487	rdev->asic->gart_set_page = &r100_pci_gart_set_page;
 
 488	return radeon_gart_table_ram_alloc(rdev);
 489}
 490
 491/* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
 492void r100_enable_bm(struct radeon_device *rdev)
 493{
 494	uint32_t tmp;
 495	/* Enable bus mastering */
 496	tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 497	WREG32(RADEON_BUS_CNTL, tmp);
 498}
 499
 500int r100_pci_gart_enable(struct radeon_device *rdev)
 501{
 502	uint32_t tmp;
 503
 504	radeon_gart_restore(rdev);
 505	/* discard memory request outside of configured range */
 506	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 507	WREG32(RADEON_AIC_CNTL, tmp);
 508	/* set address range for PCI address translate */
 509	WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 510	WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 511	/* set PCI GART page-table base address */
 512	WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 513	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 514	WREG32(RADEON_AIC_CNTL, tmp);
 515	r100_pci_gart_tlb_flush(rdev);
 
 
 
 516	rdev->gart.ready = true;
 517	return 0;
 518}
 519
 520void r100_pci_gart_disable(struct radeon_device *rdev)
 521{
 522	uint32_t tmp;
 523
 524	/* discard memory request outside of configured range */
 525	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 526	WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 527	WREG32(RADEON_AIC_LO_ADDR, 0);
 528	WREG32(RADEON_AIC_HI_ADDR, 0);
 529}
 530
 531int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 532{
 533	if (i < 0 || i > rdev->gart.num_gpu_pages) {
 534		return -EINVAL;
 535	}
 536	rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
 537	return 0;
 
 
 
 538}
 539
 540void r100_pci_gart_fini(struct radeon_device *rdev)
 541{
 542	radeon_gart_fini(rdev);
 543	r100_pci_gart_disable(rdev);
 544	radeon_gart_table_ram_free(rdev);
 545}
 546
 547int r100_irq_set(struct radeon_device *rdev)
 548{
 549	uint32_t tmp = 0;
 550
 551	if (!rdev->irq.installed) {
 552		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 553		WREG32(R_000040_GEN_INT_CNTL, 0);
 554		return -EINVAL;
 555	}
 556	if (rdev->irq.sw_int) {
 557		tmp |= RADEON_SW_INT_ENABLE;
 558	}
 559	if (rdev->irq.gui_idle) {
 560		tmp |= RADEON_GUI_IDLE_MASK;
 561	}
 562	if (rdev->irq.crtc_vblank_int[0] ||
 563	    rdev->irq.pflip[0]) {
 564		tmp |= RADEON_CRTC_VBLANK_MASK;
 565	}
 566	if (rdev->irq.crtc_vblank_int[1] ||
 567	    rdev->irq.pflip[1]) {
 568		tmp |= RADEON_CRTC2_VBLANK_MASK;
 569	}
 570	if (rdev->irq.hpd[0]) {
 571		tmp |= RADEON_FP_DETECT_MASK;
 572	}
 573	if (rdev->irq.hpd[1]) {
 574		tmp |= RADEON_FP2_DETECT_MASK;
 575	}
 576	WREG32(RADEON_GEN_INT_CNTL, tmp);
 
 
 
 
 577	return 0;
 578}
 579
 580void r100_irq_disable(struct radeon_device *rdev)
 581{
 582	u32 tmp;
 583
 584	WREG32(R_000040_GEN_INT_CNTL, 0);
 585	/* Wait and acknowledge irq */
 586	mdelay(1);
 587	tmp = RREG32(R_000044_GEN_INT_STATUS);
 588	WREG32(R_000044_GEN_INT_STATUS, tmp);
 589}
 590
 591static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 592{
 593	uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 594	uint32_t irq_mask = RADEON_SW_INT_TEST |
 595		RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 596		RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 597
 598	/* the interrupt works, but the status bit is permanently asserted */
 599	if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
 600		if (!rdev->irq.gui_idle_acked)
 601			irq_mask |= RADEON_GUI_IDLE_STAT;
 602	}
 603
 604	if (irqs) {
 605		WREG32(RADEON_GEN_INT_STATUS, irqs);
 606	}
 607	return irqs & irq_mask;
 608}
 609
 610int r100_irq_process(struct radeon_device *rdev)
 611{
 612	uint32_t status, msi_rearm;
 613	bool queue_hotplug = false;
 614
 615	/* reset gui idle ack.  the status bit is broken */
 616	rdev->irq.gui_idle_acked = false;
 617
 618	status = r100_irq_ack(rdev);
 619	if (!status) {
 620		return IRQ_NONE;
 621	}
 622	if (rdev->shutdown) {
 623		return IRQ_NONE;
 624	}
 625	while (status) {
 626		/* SW interrupt */
 627		if (status & RADEON_SW_INT_TEST) {
 628			radeon_fence_process(rdev);
 629		}
 630		/* gui idle interrupt */
 631		if (status & RADEON_GUI_IDLE_STAT) {
 632			rdev->irq.gui_idle_acked = true;
 633			rdev->pm.gui_idle = true;
 634			wake_up(&rdev->irq.idle_queue);
 635		}
 636		/* Vertical blank interrupts */
 637		if (status & RADEON_CRTC_VBLANK_STAT) {
 638			if (rdev->irq.crtc_vblank_int[0]) {
 639				drm_handle_vblank(rdev->ddev, 0);
 640				rdev->pm.vblank_sync = true;
 641				wake_up(&rdev->irq.vblank_queue);
 642			}
 643			if (rdev->irq.pflip[0])
 644				radeon_crtc_handle_flip(rdev, 0);
 645		}
 646		if (status & RADEON_CRTC2_VBLANK_STAT) {
 647			if (rdev->irq.crtc_vblank_int[1]) {
 648				drm_handle_vblank(rdev->ddev, 1);
 649				rdev->pm.vblank_sync = true;
 650				wake_up(&rdev->irq.vblank_queue);
 651			}
 652			if (rdev->irq.pflip[1])
 653				radeon_crtc_handle_flip(rdev, 1);
 654		}
 655		if (status & RADEON_FP_DETECT_STAT) {
 656			queue_hotplug = true;
 657			DRM_DEBUG("HPD1\n");
 658		}
 659		if (status & RADEON_FP2_DETECT_STAT) {
 660			queue_hotplug = true;
 661			DRM_DEBUG("HPD2\n");
 662		}
 663		status = r100_irq_ack(rdev);
 664	}
 665	/* reset gui idle ack.  the status bit is broken */
 666	rdev->irq.gui_idle_acked = false;
 667	if (queue_hotplug)
 668		schedule_work(&rdev->hotplug_work);
 669	if (rdev->msi_enabled) {
 670		switch (rdev->family) {
 671		case CHIP_RS400:
 672		case CHIP_RS480:
 673			msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 674			WREG32(RADEON_AIC_CNTL, msi_rearm);
 675			WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 676			break;
 677		default:
 678			msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
 679			WREG32(RADEON_MSI_REARM_EN, msi_rearm);
 680			WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
 681			break;
 682		}
 683	}
 684	return IRQ_HANDLED;
 685}
 686
 687u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 688{
 689	if (crtc == 0)
 690		return RREG32(RADEON_CRTC_CRNT_FRAME);
 691	else
 692		return RREG32(RADEON_CRTC2_CRNT_FRAME);
 693}
 694
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 695/* Who ever call radeon_fence_emit should call ring_lock and ask
 696 * for enough space (today caller are ib schedule and buffer move) */
 697void r100_fence_ring_emit(struct radeon_device *rdev,
 698			  struct radeon_fence *fence)
 699{
 
 
 700	/* We have to make sure that caches are flushed before
 701	 * CPU might read something from VRAM. */
 702	radeon_ring_write(rdev, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 703	radeon_ring_write(rdev, RADEON_RB3D_DC_FLUSH_ALL);
 704	radeon_ring_write(rdev, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 705	radeon_ring_write(rdev, RADEON_RB3D_ZC_FLUSH_ALL);
 706	/* Wait until IDLE & CLEAN */
 707	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 708	radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 709	radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 710	radeon_ring_write(rdev, rdev->config.r100.hdp_cntl |
 711				RADEON_HDP_READ_BUFFER_INVALIDATE);
 712	radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 713	radeon_ring_write(rdev, rdev->config.r100.hdp_cntl);
 714	/* Emit fence sequence & fire IRQ */
 715	radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 716	radeon_ring_write(rdev, fence->seq);
 717	radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 718	radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 
 
 
 
 
 
 
 
 
 
 719}
 720
 721int r100_copy_blit(struct radeon_device *rdev,
 722		   uint64_t src_offset,
 723		   uint64_t dst_offset,
 724		   unsigned num_gpu_pages,
 725		   struct radeon_fence *fence)
 726{
 
 
 727	uint32_t cur_pages;
 728	uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
 729	uint32_t pitch;
 730	uint32_t stride_pixels;
 731	unsigned ndw;
 732	int num_loops;
 733	int r = 0;
 734
 735	/* radeon limited to 16k stride */
 736	stride_bytes &= 0x3fff;
 737	/* radeon pitch is /64 */
 738	pitch = stride_bytes / 64;
 739	stride_pixels = stride_bytes / 4;
 740	num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 741
 742	/* Ask for enough room for blit + flush + fence */
 743	ndw = 64 + (10 * num_loops);
 744	r = radeon_ring_lock(rdev, ndw);
 745	if (r) {
 746		DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 747		return -EINVAL;
 748	}
 749	while (num_gpu_pages > 0) {
 750		cur_pages = num_gpu_pages;
 751		if (cur_pages > 8191) {
 752			cur_pages = 8191;
 753		}
 754		num_gpu_pages -= cur_pages;
 755
 756		/* pages are in Y direction - height
 757		   page width in X direction - width */
 758		radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
 759		radeon_ring_write(rdev,
 760				  RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 761				  RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 762				  RADEON_GMC_SRC_CLIPPING |
 763				  RADEON_GMC_DST_CLIPPING |
 764				  RADEON_GMC_BRUSH_NONE |
 765				  (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 766				  RADEON_GMC_SRC_DATATYPE_COLOR |
 767				  RADEON_ROP3_S |
 768				  RADEON_DP_SRC_SOURCE_MEMORY |
 769				  RADEON_GMC_CLR_CMP_CNTL_DIS |
 770				  RADEON_GMC_WR_MSK_DIS);
 771		radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
 772		radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
 773		radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 774		radeon_ring_write(rdev, 0);
 775		radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 776		radeon_ring_write(rdev, num_gpu_pages);
 777		radeon_ring_write(rdev, num_gpu_pages);
 778		radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
 779	}
 780	radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 781	radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
 782	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 783	radeon_ring_write(rdev,
 784			  RADEON_WAIT_2D_IDLECLEAN |
 785			  RADEON_WAIT_HOST_IDLECLEAN |
 786			  RADEON_WAIT_DMA_GUI_IDLE);
 787	if (fence) {
 788		r = radeon_fence_emit(rdev, fence);
 
 
 789	}
 790	radeon_ring_unlock_commit(rdev);
 791	return r;
 792}
 793
 794static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 795{
 796	unsigned i;
 797	u32 tmp;
 798
 799	for (i = 0; i < rdev->usec_timeout; i++) {
 800		tmp = RREG32(R_000E40_RBBM_STATUS);
 801		if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 802			return 0;
 803		}
 804		udelay(1);
 805	}
 806	return -1;
 807}
 808
 809void r100_ring_start(struct radeon_device *rdev)
 810{
 811	int r;
 812
 813	r = radeon_ring_lock(rdev, 2);
 814	if (r) {
 815		return;
 816	}
 817	radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 818	radeon_ring_write(rdev,
 819			  RADEON_ISYNC_ANY2D_IDLE3D |
 820			  RADEON_ISYNC_ANY3D_IDLE2D |
 821			  RADEON_ISYNC_WAIT_IDLEGUI |
 822			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 823	radeon_ring_unlock_commit(rdev);
 824}
 825
 826
 827/* Load the microcode for the CP */
 828static int r100_cp_init_microcode(struct radeon_device *rdev)
 829{
 830	struct platform_device *pdev;
 831	const char *fw_name = NULL;
 832	int err;
 833
 834	DRM_DEBUG_KMS("\n");
 835
 836	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
 837	err = IS_ERR(pdev);
 838	if (err) {
 839		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
 840		return -EINVAL;
 841	}
 842	if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
 843	    (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
 844	    (rdev->family == CHIP_RS200)) {
 845		DRM_INFO("Loading R100 Microcode\n");
 846		fw_name = FIRMWARE_R100;
 847	} else if ((rdev->family == CHIP_R200) ||
 848		   (rdev->family == CHIP_RV250) ||
 849		   (rdev->family == CHIP_RV280) ||
 850		   (rdev->family == CHIP_RS300)) {
 851		DRM_INFO("Loading R200 Microcode\n");
 852		fw_name = FIRMWARE_R200;
 853	} else if ((rdev->family == CHIP_R300) ||
 854		   (rdev->family == CHIP_R350) ||
 855		   (rdev->family == CHIP_RV350) ||
 856		   (rdev->family == CHIP_RV380) ||
 857		   (rdev->family == CHIP_RS400) ||
 858		   (rdev->family == CHIP_RS480)) {
 859		DRM_INFO("Loading R300 Microcode\n");
 860		fw_name = FIRMWARE_R300;
 861	} else if ((rdev->family == CHIP_R420) ||
 862		   (rdev->family == CHIP_R423) ||
 863		   (rdev->family == CHIP_RV410)) {
 864		DRM_INFO("Loading R400 Microcode\n");
 865		fw_name = FIRMWARE_R420;
 866	} else if ((rdev->family == CHIP_RS690) ||
 867		   (rdev->family == CHIP_RS740)) {
 868		DRM_INFO("Loading RS690/RS740 Microcode\n");
 869		fw_name = FIRMWARE_RS690;
 870	} else if (rdev->family == CHIP_RS600) {
 871		DRM_INFO("Loading RS600 Microcode\n");
 872		fw_name = FIRMWARE_RS600;
 873	} else if ((rdev->family == CHIP_RV515) ||
 874		   (rdev->family == CHIP_R520) ||
 875		   (rdev->family == CHIP_RV530) ||
 876		   (rdev->family == CHIP_R580) ||
 877		   (rdev->family == CHIP_RV560) ||
 878		   (rdev->family == CHIP_RV570)) {
 879		DRM_INFO("Loading R500 Microcode\n");
 880		fw_name = FIRMWARE_R520;
 881	}
 882
 883	err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
 884	platform_device_unregister(pdev);
 885	if (err) {
 886		printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
 887		       fw_name);
 888	} else if (rdev->me_fw->size % 8) {
 889		printk(KERN_ERR
 890		       "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 891		       rdev->me_fw->size, fw_name);
 892		err = -EINVAL;
 893		release_firmware(rdev->me_fw);
 894		rdev->me_fw = NULL;
 895	}
 896	return err;
 897}
 898
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 899static void r100_cp_load_microcode(struct radeon_device *rdev)
 900{
 901	const __be32 *fw_data;
 902	int i, size;
 903
 904	if (r100_gui_wait_for_idle(rdev)) {
 905		printk(KERN_WARNING "Failed to wait GUI idle while "
 906		       "programming pipes. Bad things might happen.\n");
 907	}
 908
 909	if (rdev->me_fw) {
 910		size = rdev->me_fw->size / 4;
 911		fw_data = (const __be32 *)&rdev->me_fw->data[0];
 912		WREG32(RADEON_CP_ME_RAM_ADDR, 0);
 913		for (i = 0; i < size; i += 2) {
 914			WREG32(RADEON_CP_ME_RAM_DATAH,
 915			       be32_to_cpup(&fw_data[i]));
 916			WREG32(RADEON_CP_ME_RAM_DATAL,
 917			       be32_to_cpup(&fw_data[i + 1]));
 918		}
 919	}
 920}
 921
 922int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 923{
 
 924	unsigned rb_bufsz;
 925	unsigned rb_blksz;
 926	unsigned max_fetch;
 927	unsigned pre_write_timer;
 928	unsigned pre_write_limit;
 929	unsigned indirect2_start;
 930	unsigned indirect1_start;
 931	uint32_t tmp;
 932	int r;
 933
 934	if (r100_debugfs_cp_init(rdev)) {
 935		DRM_ERROR("Failed to register debugfs file for CP !\n");
 936	}
 937	if (!rdev->me_fw) {
 938		r = r100_cp_init_microcode(rdev);
 939		if (r) {
 940			DRM_ERROR("Failed to load firmware!\n");
 941			return r;
 942		}
 943	}
 944
 945	/* Align ring size */
 946	rb_bufsz = drm_order(ring_size / 8);
 947	ring_size = (1 << (rb_bufsz + 1)) * 4;
 948	r100_cp_load_microcode(rdev);
 949	r = radeon_ring_init(rdev, ring_size);
 
 950	if (r) {
 951		return r;
 952	}
 953	/* Each time the cp read 1024 bytes (16 dword/quadword) update
 954	 * the rptr copy in system ram */
 955	rb_blksz = 9;
 956	/* cp will read 128bytes at a time (4 dwords) */
 957	max_fetch = 1;
 958	rdev->cp.align_mask = 16 - 1;
 959	/* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
 960	pre_write_timer = 64;
 961	/* Force CP_RB_WPTR write if written more than one time before the
 962	 * delay expire
 963	 */
 964	pre_write_limit = 0;
 965	/* Setup the cp cache like this (cache size is 96 dwords) :
 966	 *	RING		0  to 15
 967	 *	INDIRECT1	16 to 79
 968	 *	INDIRECT2	80 to 95
 969	 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 970	 *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
 971	 *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 972	 * Idea being that most of the gpu cmd will be through indirect1 buffer
 973	 * so it gets the bigger cache.
 974	 */
 975	indirect2_start = 80;
 976	indirect1_start = 16;
 977	/* cp setup */
 978	WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
 979	tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
 980	       REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
 981	       REG_SET(RADEON_MAX_FETCH, max_fetch));
 982#ifdef __BIG_ENDIAN
 983	tmp |= RADEON_BUF_SWAP_32BIT;
 984#endif
 985	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
 986
 987	/* Set ring address */
 988	DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
 989	WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
 990	/* Force read & write ptr to 0 */
 991	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
 992	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 993	rdev->cp.wptr = 0;
 994	WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
 995
 996	/* set the wb address whether it's enabled or not */
 997	WREG32(R_00070C_CP_RB_RPTR_ADDR,
 998		S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
 999	WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1000
1001	if (rdev->wb.enabled)
1002		WREG32(R_000770_SCRATCH_UMSK, 0xff);
1003	else {
1004		tmp |= RADEON_RB_NO_UPDATE;
1005		WREG32(R_000770_SCRATCH_UMSK, 0);
1006	}
1007
1008	WREG32(RADEON_CP_RB_CNTL, tmp);
1009	udelay(10);
1010	rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
1011	/* Set cp mode to bus mastering & enable cp*/
1012	WREG32(RADEON_CP_CSQ_MODE,
1013	       REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1014	       REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1015	WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1016	WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1017	WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1018	radeon_ring_start(rdev);
1019	r = radeon_ring_test(rdev);
 
 
 
 
1020	if (r) {
1021		DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1022		return r;
1023	}
1024	rdev->cp.ready = true;
1025	radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
 
 
 
 
 
 
 
 
 
1026	return 0;
1027}
1028
1029void r100_cp_fini(struct radeon_device *rdev)
1030{
1031	if (r100_cp_wait_for_idle(rdev)) {
1032		DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1033	}
1034	/* Disable ring */
1035	r100_cp_disable(rdev);
1036	radeon_ring_fini(rdev);
 
1037	DRM_INFO("radeon: cp finalized\n");
1038}
1039
1040void r100_cp_disable(struct radeon_device *rdev)
1041{
1042	/* Disable ring */
1043	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1044	rdev->cp.ready = false;
1045	WREG32(RADEON_CP_CSQ_MODE, 0);
1046	WREG32(RADEON_CP_CSQ_CNTL, 0);
1047	WREG32(R_000770_SCRATCH_UMSK, 0);
1048	if (r100_gui_wait_for_idle(rdev)) {
1049		printk(KERN_WARNING "Failed to wait GUI idle while "
1050		       "programming pipes. Bad things might happen.\n");
1051	}
1052}
1053
1054void r100_cp_commit(struct radeon_device *rdev)
 
 
 
 
 
 
1055{
1056	WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
1057	(void)RREG32(RADEON_CP_RB_WPTR);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1058}
1059
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1060
1061/*
1062 * CS functions
1063 */
1064int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1065			  struct radeon_cs_packet *pkt,
1066			  const unsigned *auth, unsigned n,
1067			  radeon_packet0_check_t check)
1068{
1069	unsigned reg;
1070	unsigned i, j, m;
1071	unsigned idx;
1072	int r;
1073
1074	idx = pkt->idx + 1;
1075	reg = pkt->reg;
1076	/* Check that register fall into register range
1077	 * determined by the number of entry (n) in the
1078	 * safe register bitmap.
1079	 */
1080	if (pkt->one_reg_wr) {
1081		if ((reg >> 7) > n) {
1082			return -EINVAL;
1083		}
1084	} else {
1085		if (((reg + (pkt->count << 2)) >> 7) > n) {
1086			return -EINVAL;
1087		}
1088	}
1089	for (i = 0; i <= pkt->count; i++, idx++) {
1090		j = (reg >> 7);
1091		m = 1 << ((reg >> 2) & 31);
1092		if (auth[j] & m) {
1093			r = check(p, pkt, idx, reg);
1094			if (r) {
1095				return r;
1096			}
1097		}
1098		if (pkt->one_reg_wr) {
1099			if (!(auth[j] & m)) {
1100				break;
1101			}
1102		} else {
1103			reg += 4;
1104		}
1105	}
1106	return 0;
1107}
1108
1109void r100_cs_dump_packet(struct radeon_cs_parser *p,
1110			 struct radeon_cs_packet *pkt)
1111{
1112	volatile uint32_t *ib;
1113	unsigned i;
1114	unsigned idx;
1115
1116	ib = p->ib->ptr;
1117	idx = pkt->idx;
1118	for (i = 0; i <= (pkt->count + 1); i++, idx++) {
1119		DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
1120	}
1121}
1122
1123/**
1124 * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
1125 * @parser:	parser structure holding parsing context.
1126 * @pkt:	where to store packet informations
1127 *
1128 * Assume that chunk_ib_index is properly set. Will return -EINVAL
1129 * if packet is bigger than remaining ib size. or if packets is unknown.
1130 **/
1131int r100_cs_packet_parse(struct radeon_cs_parser *p,
1132			 struct radeon_cs_packet *pkt,
1133			 unsigned idx)
1134{
1135	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
1136	uint32_t header;
1137
1138	if (idx >= ib_chunk->length_dw) {
1139		DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
1140			  idx, ib_chunk->length_dw);
1141		return -EINVAL;
1142	}
1143	header = radeon_get_ib_value(p, idx);
1144	pkt->idx = idx;
1145	pkt->type = CP_PACKET_GET_TYPE(header);
1146	pkt->count = CP_PACKET_GET_COUNT(header);
1147	switch (pkt->type) {
1148	case PACKET_TYPE0:
1149		pkt->reg = CP_PACKET0_GET_REG(header);
1150		pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
1151		break;
1152	case PACKET_TYPE3:
1153		pkt->opcode = CP_PACKET3_GET_OPCODE(header);
1154		break;
1155	case PACKET_TYPE2:
1156		pkt->count = -1;
1157		break;
1158	default:
1159		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
1160		return -EINVAL;
1161	}
1162	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
1163		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
1164			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
1165		return -EINVAL;
1166	}
1167	return 0;
1168}
1169
1170/**
1171 * r100_cs_packet_next_vline() - parse userspace VLINE packet
1172 * @parser:		parser structure holding parsing context.
1173 *
1174 * Userspace sends a special sequence for VLINE waits.
1175 * PACKET0 - VLINE_START_END + value
1176 * PACKET0 - WAIT_UNTIL +_value
1177 * RELOC (P3) - crtc_id in reloc.
1178 *
1179 * This function parses this and relocates the VLINE START END
1180 * and WAIT UNTIL packets to the correct crtc.
1181 * It also detects a switched off crtc and nulls out the
1182 * wait in that case.
1183 */
1184int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1185{
1186	struct drm_mode_object *obj;
1187	struct drm_crtc *crtc;
1188	struct radeon_crtc *radeon_crtc;
1189	struct radeon_cs_packet p3reloc, waitreloc;
1190	int crtc_id;
1191	int r;
1192	uint32_t header, h_idx, reg;
1193	volatile uint32_t *ib;
1194
1195	ib = p->ib->ptr;
1196
1197	/* parse the wait until */
1198	r = r100_cs_packet_parse(p, &waitreloc, p->idx);
1199	if (r)
1200		return r;
1201
1202	/* check its a wait until and only 1 count */
1203	if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1204	    waitreloc.count != 0) {
1205		DRM_ERROR("vline wait had illegal wait until segment\n");
1206		return -EINVAL;
1207	}
1208
1209	if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1210		DRM_ERROR("vline wait had illegal wait until\n");
1211		return -EINVAL;
1212	}
1213
1214	/* jump over the NOP */
1215	r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1216	if (r)
1217		return r;
1218
1219	h_idx = p->idx - 2;
1220	p->idx += waitreloc.count + 2;
1221	p->idx += p3reloc.count + 2;
1222
1223	header = radeon_get_ib_value(p, h_idx);
1224	crtc_id = radeon_get_ib_value(p, h_idx + 5);
1225	reg = CP_PACKET0_GET_REG(header);
1226	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1227	if (!obj) {
1228		DRM_ERROR("cannot find crtc %d\n", crtc_id);
1229		return -EINVAL;
1230	}
1231	crtc = obj_to_crtc(obj);
1232	radeon_crtc = to_radeon_crtc(crtc);
1233	crtc_id = radeon_crtc->crtc_id;
1234
1235	if (!crtc->enabled) {
1236		/* if the CRTC isn't enabled - we need to nop out the wait until */
1237		ib[h_idx + 2] = PACKET2(0);
1238		ib[h_idx + 3] = PACKET2(0);
1239	} else if (crtc_id == 1) {
1240		switch (reg) {
1241		case AVIVO_D1MODE_VLINE_START_END:
1242			header &= ~R300_CP_PACKET0_REG_MASK;
1243			header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1244			break;
1245		case RADEON_CRTC_GUI_TRIG_VLINE:
1246			header &= ~R300_CP_PACKET0_REG_MASK;
1247			header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1248			break;
1249		default:
1250			DRM_ERROR("unknown crtc reloc\n");
1251			return -EINVAL;
1252		}
1253		ib[h_idx] = header;
1254		ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1255	}
1256
1257	return 0;
1258}
1259
1260/**
1261 * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1262 * @parser:		parser structure holding parsing context.
1263 * @data:		pointer to relocation data
1264 * @offset_start:	starting offset
1265 * @offset_mask:	offset mask (to align start offset on)
1266 * @reloc:		reloc informations
1267 *
1268 * Check next packet is relocation packet3, do bo validation and compute
1269 * GPU offset using the provided start.
1270 **/
1271int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1272			      struct radeon_cs_reloc **cs_reloc)
1273{
1274	struct radeon_cs_chunk *relocs_chunk;
1275	struct radeon_cs_packet p3reloc;
1276	unsigned idx;
1277	int r;
1278
1279	if (p->chunk_relocs_idx == -1) {
1280		DRM_ERROR("No relocation chunk !\n");
1281		return -EINVAL;
1282	}
1283	*cs_reloc = NULL;
1284	relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1285	r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1286	if (r) {
1287		return r;
1288	}
1289	p->idx += p3reloc.count + 2;
1290	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1291		DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1292			  p3reloc.idx);
1293		r100_cs_dump_packet(p, &p3reloc);
1294		return -EINVAL;
1295	}
1296	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1297	if (idx >= relocs_chunk->length_dw) {
1298		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1299			  idx, relocs_chunk->length_dw);
1300		r100_cs_dump_packet(p, &p3reloc);
1301		return -EINVAL;
1302	}
1303	/* FIXME: we assume reloc size is 4 dwords */
1304	*cs_reloc = p->relocs_ptr[(idx / 4)];
1305	return 0;
1306}
1307
1308static int r100_get_vtx_size(uint32_t vtx_fmt)
1309{
1310	int vtx_size;
1311	vtx_size = 2;
1312	/* ordered according to bits in spec */
1313	if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1314		vtx_size++;
1315	if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1316		vtx_size += 3;
1317	if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1318		vtx_size++;
1319	if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1320		vtx_size++;
1321	if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1322		vtx_size += 3;
1323	if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1324		vtx_size++;
1325	if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1326		vtx_size++;
1327	if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1328		vtx_size += 2;
1329	if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1330		vtx_size += 2;
1331	if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1332		vtx_size++;
1333	if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1334		vtx_size += 2;
1335	if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1336		vtx_size++;
1337	if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1338		vtx_size += 2;
1339	if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1340		vtx_size++;
1341	if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1342		vtx_size++;
1343	/* blend weight */
1344	if (vtx_fmt & (0x7 << 15))
1345		vtx_size += (vtx_fmt >> 15) & 0x7;
1346	if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1347		vtx_size += 3;
1348	if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1349		vtx_size += 2;
1350	if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1351		vtx_size++;
1352	if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1353		vtx_size++;
1354	if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1355		vtx_size++;
1356	if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1357		vtx_size++;
1358	return vtx_size;
1359}
1360
1361static int r100_packet0_check(struct radeon_cs_parser *p,
1362			      struct radeon_cs_packet *pkt,
1363			      unsigned idx, unsigned reg)
1364{
1365	struct radeon_cs_reloc *reloc;
1366	struct r100_cs_track *track;
1367	volatile uint32_t *ib;
1368	uint32_t tmp;
1369	int r;
1370	int i, face;
1371	u32 tile_flags = 0;
1372	u32 idx_value;
1373
1374	ib = p->ib->ptr;
1375	track = (struct r100_cs_track *)p->track;
1376
1377	idx_value = radeon_get_ib_value(p, idx);
1378
1379	switch (reg) {
1380	case RADEON_CRTC_GUI_TRIG_VLINE:
1381		r = r100_cs_packet_parse_vline(p);
1382		if (r) {
1383			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1384				  idx, reg);
1385			r100_cs_dump_packet(p, pkt);
1386			return r;
1387		}
1388		break;
1389		/* FIXME: only allow PACKET3 blit? easier to check for out of
1390		 * range access */
1391	case RADEON_DST_PITCH_OFFSET:
1392	case RADEON_SRC_PITCH_OFFSET:
1393		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1394		if (r)
1395			return r;
1396		break;
1397	case RADEON_RB3D_DEPTHOFFSET:
1398		r = r100_cs_packet_next_reloc(p, &reloc);
1399		if (r) {
1400			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1401				  idx, reg);
1402			r100_cs_dump_packet(p, pkt);
1403			return r;
1404		}
1405		track->zb.robj = reloc->robj;
1406		track->zb.offset = idx_value;
1407		track->zb_dirty = true;
1408		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1409		break;
1410	case RADEON_RB3D_COLOROFFSET:
1411		r = r100_cs_packet_next_reloc(p, &reloc);
1412		if (r) {
1413			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1414				  idx, reg);
1415			r100_cs_dump_packet(p, pkt);
1416			return r;
1417		}
1418		track->cb[0].robj = reloc->robj;
1419		track->cb[0].offset = idx_value;
1420		track->cb_dirty = true;
1421		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1422		break;
1423	case RADEON_PP_TXOFFSET_0:
1424	case RADEON_PP_TXOFFSET_1:
1425	case RADEON_PP_TXOFFSET_2:
1426		i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1427		r = r100_cs_packet_next_reloc(p, &reloc);
1428		if (r) {
1429			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1430				  idx, reg);
1431			r100_cs_dump_packet(p, pkt);
1432			return r;
1433		}
1434		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 
 
 
 
 
 
 
 
 
 
1435		track->textures[i].robj = reloc->robj;
1436		track->tex_dirty = true;
1437		break;
1438	case RADEON_PP_CUBIC_OFFSET_T0_0:
1439	case RADEON_PP_CUBIC_OFFSET_T0_1:
1440	case RADEON_PP_CUBIC_OFFSET_T0_2:
1441	case RADEON_PP_CUBIC_OFFSET_T0_3:
1442	case RADEON_PP_CUBIC_OFFSET_T0_4:
1443		i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1444		r = r100_cs_packet_next_reloc(p, &reloc);
1445		if (r) {
1446			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1447				  idx, reg);
1448			r100_cs_dump_packet(p, pkt);
1449			return r;
1450		}
1451		track->textures[0].cube_info[i].offset = idx_value;
1452		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1453		track->textures[0].cube_info[i].robj = reloc->robj;
1454		track->tex_dirty = true;
1455		break;
1456	case RADEON_PP_CUBIC_OFFSET_T1_0:
1457	case RADEON_PP_CUBIC_OFFSET_T1_1:
1458	case RADEON_PP_CUBIC_OFFSET_T1_2:
1459	case RADEON_PP_CUBIC_OFFSET_T1_3:
1460	case RADEON_PP_CUBIC_OFFSET_T1_4:
1461		i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1462		r = r100_cs_packet_next_reloc(p, &reloc);
1463		if (r) {
1464			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1465				  idx, reg);
1466			r100_cs_dump_packet(p, pkt);
1467			return r;
1468		}
1469		track->textures[1].cube_info[i].offset = idx_value;
1470		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1471		track->textures[1].cube_info[i].robj = reloc->robj;
1472		track->tex_dirty = true;
1473		break;
1474	case RADEON_PP_CUBIC_OFFSET_T2_0:
1475	case RADEON_PP_CUBIC_OFFSET_T2_1:
1476	case RADEON_PP_CUBIC_OFFSET_T2_2:
1477	case RADEON_PP_CUBIC_OFFSET_T2_3:
1478	case RADEON_PP_CUBIC_OFFSET_T2_4:
1479		i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1480		r = r100_cs_packet_next_reloc(p, &reloc);
1481		if (r) {
1482			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1483				  idx, reg);
1484			r100_cs_dump_packet(p, pkt);
1485			return r;
1486		}
1487		track->textures[2].cube_info[i].offset = idx_value;
1488		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1489		track->textures[2].cube_info[i].robj = reloc->robj;
1490		track->tex_dirty = true;
1491		break;
1492	case RADEON_RE_WIDTH_HEIGHT:
1493		track->maxy = ((idx_value >> 16) & 0x7FF);
1494		track->cb_dirty = true;
1495		track->zb_dirty = true;
1496		break;
1497	case RADEON_RB3D_COLORPITCH:
1498		r = r100_cs_packet_next_reloc(p, &reloc);
1499		if (r) {
1500			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1501				  idx, reg);
1502			r100_cs_dump_packet(p, pkt);
1503			return r;
1504		}
1505
1506		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1507			tile_flags |= RADEON_COLOR_TILE_ENABLE;
1508		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1509			tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1510
1511		tmp = idx_value & ~(0x7 << 16);
1512		tmp |= tile_flags;
1513		ib[idx] = tmp;
 
 
1514
1515		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1516		track->cb_dirty = true;
1517		break;
1518	case RADEON_RB3D_DEPTHPITCH:
1519		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1520		track->zb_dirty = true;
1521		break;
1522	case RADEON_RB3D_CNTL:
1523		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1524		case 7:
1525		case 8:
1526		case 9:
1527		case 11:
1528		case 12:
1529			track->cb[0].cpp = 1;
1530			break;
1531		case 3:
1532		case 4:
1533		case 15:
1534			track->cb[0].cpp = 2;
1535			break;
1536		case 6:
1537			track->cb[0].cpp = 4;
1538			break;
1539		default:
1540			DRM_ERROR("Invalid color buffer format (%d) !\n",
1541				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1542			return -EINVAL;
1543		}
1544		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1545		track->cb_dirty = true;
1546		track->zb_dirty = true;
1547		break;
1548	case RADEON_RB3D_ZSTENCILCNTL:
1549		switch (idx_value & 0xf) {
1550		case 0:
1551			track->zb.cpp = 2;
1552			break;
1553		case 2:
1554		case 3:
1555		case 4:
1556		case 5:
1557		case 9:
1558		case 11:
1559			track->zb.cpp = 4;
1560			break;
1561		default:
1562			break;
1563		}
1564		track->zb_dirty = true;
1565		break;
1566	case RADEON_RB3D_ZPASS_ADDR:
1567		r = r100_cs_packet_next_reloc(p, &reloc);
1568		if (r) {
1569			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1570				  idx, reg);
1571			r100_cs_dump_packet(p, pkt);
1572			return r;
1573		}
1574		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1575		break;
1576	case RADEON_PP_CNTL:
1577		{
1578			uint32_t temp = idx_value >> 4;
1579			for (i = 0; i < track->num_texture; i++)
1580				track->textures[i].enabled = !!(temp & (1 << i));
1581			track->tex_dirty = true;
1582		}
1583		break;
1584	case RADEON_SE_VF_CNTL:
1585		track->vap_vf_cntl = idx_value;
1586		break;
1587	case RADEON_SE_VTX_FMT:
1588		track->vtx_size = r100_get_vtx_size(idx_value);
1589		break;
1590	case RADEON_PP_TEX_SIZE_0:
1591	case RADEON_PP_TEX_SIZE_1:
1592	case RADEON_PP_TEX_SIZE_2:
1593		i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1594		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1595		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1596		track->tex_dirty = true;
1597		break;
1598	case RADEON_PP_TEX_PITCH_0:
1599	case RADEON_PP_TEX_PITCH_1:
1600	case RADEON_PP_TEX_PITCH_2:
1601		i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1602		track->textures[i].pitch = idx_value + 32;
1603		track->tex_dirty = true;
1604		break;
1605	case RADEON_PP_TXFILTER_0:
1606	case RADEON_PP_TXFILTER_1:
1607	case RADEON_PP_TXFILTER_2:
1608		i = (reg - RADEON_PP_TXFILTER_0) / 24;
1609		track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1610						 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1611		tmp = (idx_value >> 23) & 0x7;
1612		if (tmp == 2 || tmp == 6)
1613			track->textures[i].roundup_w = false;
1614		tmp = (idx_value >> 27) & 0x7;
1615		if (tmp == 2 || tmp == 6)
1616			track->textures[i].roundup_h = false;
1617		track->tex_dirty = true;
1618		break;
1619	case RADEON_PP_TXFORMAT_0:
1620	case RADEON_PP_TXFORMAT_1:
1621	case RADEON_PP_TXFORMAT_2:
1622		i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1623		if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1624			track->textures[i].use_pitch = 1;
1625		} else {
1626			track->textures[i].use_pitch = 0;
1627			track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1628			track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1629		}
1630		if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1631			track->textures[i].tex_coord_type = 2;
1632		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1633		case RADEON_TXFORMAT_I8:
1634		case RADEON_TXFORMAT_RGB332:
1635		case RADEON_TXFORMAT_Y8:
1636			track->textures[i].cpp = 1;
1637			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1638			break;
1639		case RADEON_TXFORMAT_AI88:
1640		case RADEON_TXFORMAT_ARGB1555:
1641		case RADEON_TXFORMAT_RGB565:
1642		case RADEON_TXFORMAT_ARGB4444:
1643		case RADEON_TXFORMAT_VYUY422:
1644		case RADEON_TXFORMAT_YVYU422:
1645		case RADEON_TXFORMAT_SHADOW16:
1646		case RADEON_TXFORMAT_LDUDV655:
1647		case RADEON_TXFORMAT_DUDV88:
1648			track->textures[i].cpp = 2;
1649			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1650			break;
1651		case RADEON_TXFORMAT_ARGB8888:
1652		case RADEON_TXFORMAT_RGBA8888:
1653		case RADEON_TXFORMAT_SHADOW32:
1654		case RADEON_TXFORMAT_LDUDUV8888:
1655			track->textures[i].cpp = 4;
1656			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1657			break;
1658		case RADEON_TXFORMAT_DXT1:
1659			track->textures[i].cpp = 1;
1660			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1661			break;
1662		case RADEON_TXFORMAT_DXT23:
1663		case RADEON_TXFORMAT_DXT45:
1664			track->textures[i].cpp = 1;
1665			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1666			break;
1667		}
1668		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1669		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1670		track->tex_dirty = true;
1671		break;
1672	case RADEON_PP_CUBIC_FACES_0:
1673	case RADEON_PP_CUBIC_FACES_1:
1674	case RADEON_PP_CUBIC_FACES_2:
1675		tmp = idx_value;
1676		i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1677		for (face = 0; face < 4; face++) {
1678			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1679			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1680		}
1681		track->tex_dirty = true;
1682		break;
1683	default:
1684		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1685		       reg, idx);
1686		return -EINVAL;
1687	}
1688	return 0;
1689}
1690
1691int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1692					 struct radeon_cs_packet *pkt,
1693					 struct radeon_bo *robj)
1694{
1695	unsigned idx;
1696	u32 value;
1697	idx = pkt->idx + 1;
1698	value = radeon_get_ib_value(p, idx + 2);
1699	if ((value + 1) > radeon_bo_size(robj)) {
1700		DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1701			  "(need %u have %lu) !\n",
1702			  value + 1,
1703			  radeon_bo_size(robj));
1704		return -EINVAL;
1705	}
1706	return 0;
1707}
1708
1709static int r100_packet3_check(struct radeon_cs_parser *p,
1710			      struct radeon_cs_packet *pkt)
1711{
1712	struct radeon_cs_reloc *reloc;
1713	struct r100_cs_track *track;
1714	unsigned idx;
1715	volatile uint32_t *ib;
1716	int r;
1717
1718	ib = p->ib->ptr;
1719	idx = pkt->idx + 1;
1720	track = (struct r100_cs_track *)p->track;
1721	switch (pkt->opcode) {
1722	case PACKET3_3D_LOAD_VBPNTR:
1723		r = r100_packet3_load_vbpntr(p, pkt, idx);
1724		if (r)
1725			return r;
1726		break;
1727	case PACKET3_INDX_BUFFER:
1728		r = r100_cs_packet_next_reloc(p, &reloc);
1729		if (r) {
1730			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1731			r100_cs_dump_packet(p, pkt);
1732			return r;
1733		}
1734		ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1735		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1736		if (r) {
1737			return r;
1738		}
1739		break;
1740	case 0x23:
1741		/* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1742		r = r100_cs_packet_next_reloc(p, &reloc);
1743		if (r) {
1744			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1745			r100_cs_dump_packet(p, pkt);
1746			return r;
1747		}
1748		ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1749		track->num_arrays = 1;
1750		track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1751
1752		track->arrays[0].robj = reloc->robj;
1753		track->arrays[0].esize = track->vtx_size;
1754
1755		track->max_indx = radeon_get_ib_value(p, idx+1);
1756
1757		track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1758		track->immd_dwords = pkt->count - 1;
1759		r = r100_cs_track_check(p->rdev, track);
1760		if (r)
1761			return r;
1762		break;
1763	case PACKET3_3D_DRAW_IMMD:
1764		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1765			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1766			return -EINVAL;
1767		}
1768		track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1769		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1770		track->immd_dwords = pkt->count - 1;
1771		r = r100_cs_track_check(p->rdev, track);
1772		if (r)
1773			return r;
1774		break;
1775		/* triggers drawing using in-packet vertex data */
1776	case PACKET3_3D_DRAW_IMMD_2:
1777		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1778			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1779			return -EINVAL;
1780		}
1781		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1782		track->immd_dwords = pkt->count;
1783		r = r100_cs_track_check(p->rdev, track);
1784		if (r)
1785			return r;
1786		break;
1787		/* triggers drawing using in-packet vertex data */
1788	case PACKET3_3D_DRAW_VBUF_2:
1789		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1790		r = r100_cs_track_check(p->rdev, track);
1791		if (r)
1792			return r;
1793		break;
1794		/* triggers drawing of vertex buffers setup elsewhere */
1795	case PACKET3_3D_DRAW_INDX_2:
1796		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1797		r = r100_cs_track_check(p->rdev, track);
1798		if (r)
1799			return r;
1800		break;
1801		/* triggers drawing using indices to vertex buffer */
1802	case PACKET3_3D_DRAW_VBUF:
1803		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1804		r = r100_cs_track_check(p->rdev, track);
1805		if (r)
1806			return r;
1807		break;
1808		/* triggers drawing of vertex buffers setup elsewhere */
1809	case PACKET3_3D_DRAW_INDX:
1810		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1811		r = r100_cs_track_check(p->rdev, track);
1812		if (r)
1813			return r;
1814		break;
1815		/* triggers drawing using indices to vertex buffer */
1816	case PACKET3_3D_CLEAR_HIZ:
1817	case PACKET3_3D_CLEAR_ZMASK:
1818		if (p->rdev->hyperz_filp != p->filp)
1819			return -EINVAL;
1820		break;
1821	case PACKET3_NOP:
1822		break;
1823	default:
1824		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1825		return -EINVAL;
1826	}
1827	return 0;
1828}
1829
1830int r100_cs_parse(struct radeon_cs_parser *p)
1831{
1832	struct radeon_cs_packet pkt;
1833	struct r100_cs_track *track;
1834	int r;
1835
1836	track = kzalloc(sizeof(*track), GFP_KERNEL);
 
 
1837	r100_cs_track_clear(p->rdev, track);
1838	p->track = track;
1839	do {
1840		r = r100_cs_packet_parse(p, &pkt, p->idx);
1841		if (r) {
1842			return r;
1843		}
1844		p->idx += pkt.count + 2;
1845		switch (pkt.type) {
1846			case PACKET_TYPE0:
1847				if (p->rdev->family >= CHIP_R200)
1848					r = r100_cs_parse_packet0(p, &pkt,
1849								  p->rdev->config.r100.reg_safe_bm,
1850								  p->rdev->config.r100.reg_safe_bm_size,
1851								  &r200_packet0_check);
1852				else
1853					r = r100_cs_parse_packet0(p, &pkt,
1854								  p->rdev->config.r100.reg_safe_bm,
1855								  p->rdev->config.r100.reg_safe_bm_size,
1856								  &r100_packet0_check);
1857				break;
1858			case PACKET_TYPE2:
1859				break;
1860			case PACKET_TYPE3:
1861				r = r100_packet3_check(p, &pkt);
1862				break;
1863			default:
1864				DRM_ERROR("Unknown packet type %d !\n",
1865					  pkt.type);
1866				return -EINVAL;
1867		}
1868		if (r) {
1869			return r;
1870		}
1871	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1872	return 0;
1873}
1874
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1875
1876/*
1877 * Global GPU functions
1878 */
1879void r100_errata(struct radeon_device *rdev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1880{
1881	rdev->pll_errata = 0;
 
 
 
1882
1883	if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1884		rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1885	}
 
 
1886
1887	if (rdev->family == CHIP_RV100 ||
1888	    rdev->family == CHIP_RS100 ||
1889	    rdev->family == CHIP_RS200) {
1890		rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1891	}
 
1892}
1893
1894/* Wait for vertical sync on primary CRTC */
1895void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1896{
1897	uint32_t crtc_gen_cntl, tmp;
1898	int i;
 
 
 
1899
1900	crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1901	if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1902	    !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1903		return;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1904	}
1905	/* Clear the CRTC_VBLANK_SAVE bit */
1906	WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1907	for (i = 0; i < rdev->usec_timeout; i++) {
1908		tmp = RREG32(RADEON_CRTC_STATUS);
1909		if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1910			return;
 
 
 
 
 
 
 
 
 
 
 
1911		}
1912		DRM_UDELAY(1);
1913	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1914}
1915
1916/* Wait for vertical sync on secondary CRTC */
1917void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1918{
1919	uint32_t crtc2_gen_cntl, tmp;
1920	int i;
1921
1922	crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1923	if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1924	    !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1925		return;
1926
1927	/* Clear the CRTC_VBLANK_SAVE bit */
1928	WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1929	for (i = 0; i < rdev->usec_timeout; i++) {
1930		tmp = RREG32(RADEON_CRTC2_STATUS);
1931		if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1932			return;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1933		}
1934		DRM_UDELAY(1);
 
 
 
 
 
 
 
 
 
 
 
 
 
1935	}
1936}
1937
1938int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1939{
1940	unsigned i;
1941	uint32_t tmp;
1942
1943	for (i = 0; i < rdev->usec_timeout; i++) {
1944		tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1945		if (tmp >= n) {
1946			return 0;
1947		}
1948		DRM_UDELAY(1);
1949	}
1950	return -1;
1951}
1952
1953int r100_gui_wait_for_idle(struct radeon_device *rdev)
1954{
1955	unsigned i;
1956	uint32_t tmp;
1957
1958	if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1959		printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1960		       " Bad things might happen.\n");
1961	}
1962	for (i = 0; i < rdev->usec_timeout; i++) {
1963		tmp = RREG32(RADEON_RBBM_STATUS);
1964		if (!(tmp & RADEON_RBBM_ACTIVE)) {
1965			return 0;
1966		}
1967		DRM_UDELAY(1);
1968	}
1969	return -1;
1970}
1971
1972int r100_mc_wait_for_idle(struct radeon_device *rdev)
1973{
1974	unsigned i;
1975	uint32_t tmp;
1976
1977	for (i = 0; i < rdev->usec_timeout; i++) {
1978		/* read MC_STATUS */
1979		tmp = RREG32(RADEON_MC_STATUS);
1980		if (tmp & RADEON_MC_IDLE) {
1981			return 0;
1982		}
1983		DRM_UDELAY(1);
1984	}
1985	return -1;
1986}
1987
1988void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
1989{
1990	lockup->last_cp_rptr = cp->rptr;
1991	lockup->last_jiffies = jiffies;
1992}
1993
1994/**
1995 * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
1996 * @rdev:	radeon device structure
1997 * @lockup:	r100_gpu_lockup structure holding CP lockup tracking informations
1998 * @cp:		radeon_cp structure holding CP information
1999 *
2000 * We don't need to initialize the lockup tracking information as we will either
2001 * have CP rptr to a different value of jiffies wrap around which will force
2002 * initialization of the lockup tracking informations.
2003 *
2004 * A possible false positivie is if we get call after while and last_cp_rptr ==
2005 * the current CP rptr, even if it's unlikely it might happen. To avoid this
2006 * if the elapsed time since last call is bigger than 2 second than we return
2007 * false and update the tracking information. Due to this the caller must call
2008 * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be reported
2009 * the fencing code should be cautious about that.
2010 *
2011 * Caller should write to the ring to force CP to do something so we don't get
2012 * false positive when CP is just gived nothing to do.
2013 *
2014 **/
2015bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
2016{
2017	unsigned long cjiffies, elapsed;
2018
2019	cjiffies = jiffies;
2020	if (!time_after(cjiffies, lockup->last_jiffies)) {
2021		/* likely a wrap around */
2022		lockup->last_cp_rptr = cp->rptr;
2023		lockup->last_jiffies = jiffies;
2024		return false;
2025	}
2026	if (cp->rptr != lockup->last_cp_rptr) {
2027		/* CP is still working no lockup */
2028		lockup->last_cp_rptr = cp->rptr;
2029		lockup->last_jiffies = jiffies;
2030		return false;
2031	}
2032	elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
2033	if (elapsed >= 10000) {
2034		dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
2035		return true;
2036	}
2037	/* give a chance to the GPU ... */
2038	return false;
2039}
2040
2041bool r100_gpu_is_lockup(struct radeon_device *rdev)
2042{
2043	u32 rbbm_status;
2044	int r;
2045
2046	rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2047	if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2048		r100_gpu_lockup_update(&rdev->config.r100.lockup, &rdev->cp);
2049		return false;
2050	}
2051	/* force CP activities */
2052	r = radeon_ring_lock(rdev, 2);
2053	if (!r) {
2054		/* PACKET2 NOP */
2055		radeon_ring_write(rdev, 0x80000000);
2056		radeon_ring_write(rdev, 0x80000000);
2057		radeon_ring_unlock_commit(rdev);
2058	}
2059	rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
2060	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, &rdev->cp);
2061}
2062
2063void r100_bm_disable(struct radeon_device *rdev)
2064{
2065	u32 tmp;
2066
2067	/* disable bus mastering */
2068	tmp = RREG32(R_000030_BUS_CNTL);
2069	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2070	mdelay(1);
2071	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2072	mdelay(1);
2073	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2074	tmp = RREG32(RADEON_BUS_CNTL);
2075	mdelay(1);
2076	pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
2077	pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
2078	mdelay(1);
2079}
2080
2081int r100_asic_reset(struct radeon_device *rdev)
2082{
2083	struct r100_mc_save save;
2084	u32 status, tmp;
2085	int ret = 0;
2086
2087	status = RREG32(R_000E40_RBBM_STATUS);
2088	if (!G_000E40_GUI_ACTIVE(status)) {
2089		return 0;
2090	}
2091	r100_mc_stop(rdev, &save);
2092	status = RREG32(R_000E40_RBBM_STATUS);
2093	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2094	/* stop CP */
2095	WREG32(RADEON_CP_CSQ_CNTL, 0);
2096	tmp = RREG32(RADEON_CP_RB_CNTL);
2097	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2098	WREG32(RADEON_CP_RB_RPTR_WR, 0);
2099	WREG32(RADEON_CP_RB_WPTR, 0);
2100	WREG32(RADEON_CP_RB_CNTL, tmp);
2101	/* save PCI state */
2102	pci_save_state(rdev->pdev);
2103	/* disable bus mastering */
2104	r100_bm_disable(rdev);
2105	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2106					S_0000F0_SOFT_RESET_RE(1) |
2107					S_0000F0_SOFT_RESET_PP(1) |
2108					S_0000F0_SOFT_RESET_RB(1));
2109	RREG32(R_0000F0_RBBM_SOFT_RESET);
2110	mdelay(500);
2111	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2112	mdelay(1);
2113	status = RREG32(R_000E40_RBBM_STATUS);
2114	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2115	/* reset CP */
2116	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2117	RREG32(R_0000F0_RBBM_SOFT_RESET);
2118	mdelay(500);
2119	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2120	mdelay(1);
2121	status = RREG32(R_000E40_RBBM_STATUS);
2122	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2123	/* restore PCI & busmastering */
2124	pci_restore_state(rdev->pdev);
2125	r100_enable_bm(rdev);
2126	/* Check if GPU is idle */
2127	if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2128		G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2129		dev_err(rdev->dev, "failed to reset GPU\n");
2130		rdev->gpu_lockup = true;
2131		ret = -1;
2132	} else
2133		dev_info(rdev->dev, "GPU reset succeed\n");
2134	r100_mc_resume(rdev, &save);
2135	return ret;
2136}
2137
2138void r100_set_common_regs(struct radeon_device *rdev)
2139{
2140	struct drm_device *dev = rdev->ddev;
2141	bool force_dac2 = false;
2142	u32 tmp;
2143
2144	/* set these so they don't interfere with anything */
2145	WREG32(RADEON_OV0_SCALE_CNTL, 0);
2146	WREG32(RADEON_SUBPIC_CNTL, 0);
2147	WREG32(RADEON_VIPH_CONTROL, 0);
2148	WREG32(RADEON_I2C_CNTL_1, 0);
2149	WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2150	WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2151	WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2152
2153	/* always set up dac2 on rn50 and some rv100 as lots
2154	 * of servers seem to wire it up to a VGA port but
2155	 * don't report it in the bios connector
2156	 * table.
2157	 */
2158	switch (dev->pdev->device) {
2159		/* RN50 */
2160	case 0x515e:
2161	case 0x5969:
2162		force_dac2 = true;
2163		break;
2164		/* RV100*/
2165	case 0x5159:
2166	case 0x515a:
2167		/* DELL triple head servers */
2168		if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2169		    ((dev->pdev->subsystem_device == 0x016c) ||
2170		     (dev->pdev->subsystem_device == 0x016d) ||
2171		     (dev->pdev->subsystem_device == 0x016e) ||
2172		     (dev->pdev->subsystem_device == 0x016f) ||
2173		     (dev->pdev->subsystem_device == 0x0170) ||
2174		     (dev->pdev->subsystem_device == 0x017d) ||
2175		     (dev->pdev->subsystem_device == 0x017e) ||
2176		     (dev->pdev->subsystem_device == 0x0183) ||
2177		     (dev->pdev->subsystem_device == 0x018a) ||
2178		     (dev->pdev->subsystem_device == 0x019a)))
2179			force_dac2 = true;
2180		break;
2181	}
2182
2183	if (force_dac2) {
2184		u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2185		u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2186		u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2187
2188		/* For CRT on DAC2, don't turn it on if BIOS didn't
2189		   enable it, even it's detected.
2190		*/
2191
2192		/* force it to crtc0 */
2193		dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2194		dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2195		disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2196
2197		/* set up the TV DAC */
2198		tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2199				 RADEON_TV_DAC_STD_MASK |
2200				 RADEON_TV_DAC_RDACPD |
2201				 RADEON_TV_DAC_GDACPD |
2202				 RADEON_TV_DAC_BDACPD |
2203				 RADEON_TV_DAC_BGADJ_MASK |
2204				 RADEON_TV_DAC_DACADJ_MASK);
2205		tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2206				RADEON_TV_DAC_NHOLD |
2207				RADEON_TV_DAC_STD_PS2 |
2208				(0x58 << 16));
2209
2210		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2211		WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2212		WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2213	}
2214
2215	/* switch PM block to ACPI mode */
2216	tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2217	tmp &= ~RADEON_PM_MODE_SEL;
2218	WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2219
2220}
2221
2222/*
2223 * VRAM info
2224 */
2225static void r100_vram_get_type(struct radeon_device *rdev)
2226{
2227	uint32_t tmp;
2228
2229	rdev->mc.vram_is_ddr = false;
2230	if (rdev->flags & RADEON_IS_IGP)
2231		rdev->mc.vram_is_ddr = true;
2232	else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2233		rdev->mc.vram_is_ddr = true;
2234	if ((rdev->family == CHIP_RV100) ||
2235	    (rdev->family == CHIP_RS100) ||
2236	    (rdev->family == CHIP_RS200)) {
2237		tmp = RREG32(RADEON_MEM_CNTL);
2238		if (tmp & RV100_HALF_MODE) {
2239			rdev->mc.vram_width = 32;
2240		} else {
2241			rdev->mc.vram_width = 64;
2242		}
2243		if (rdev->flags & RADEON_SINGLE_CRTC) {
2244			rdev->mc.vram_width /= 4;
2245			rdev->mc.vram_is_ddr = true;
2246		}
2247	} else if (rdev->family <= CHIP_RV280) {
2248		tmp = RREG32(RADEON_MEM_CNTL);
2249		if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2250			rdev->mc.vram_width = 128;
2251		} else {
2252			rdev->mc.vram_width = 64;
2253		}
2254	} else {
2255		/* newer IGPs */
2256		rdev->mc.vram_width = 128;
2257	}
2258}
2259
2260static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2261{
2262	u32 aper_size;
2263	u8 byte;
2264
2265	aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2266
2267	/* Set HDP_APER_CNTL only on cards that are known not to be broken,
2268	 * that is has the 2nd generation multifunction PCI interface
2269	 */
2270	if (rdev->family == CHIP_RV280 ||
2271	    rdev->family >= CHIP_RV350) {
2272		WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2273		       ~RADEON_HDP_APER_CNTL);
2274		DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2275		return aper_size * 2;
2276	}
2277
2278	/* Older cards have all sorts of funny issues to deal with. First
2279	 * check if it's a multifunction card by reading the PCI config
2280	 * header type... Limit those to one aperture size
2281	 */
2282	pci_read_config_byte(rdev->pdev, 0xe, &byte);
2283	if (byte & 0x80) {
2284		DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2285		DRM_INFO("Limiting VRAM to one aperture\n");
2286		return aper_size;
2287	}
2288
2289	/* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2290	 * have set it up. We don't write this as it's broken on some ASICs but
2291	 * we expect the BIOS to have done the right thing (might be too optimistic...)
2292	 */
2293	if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2294		return aper_size * 2;
2295	return aper_size;
2296}
2297
2298void r100_vram_init_sizes(struct radeon_device *rdev)
2299{
2300	u64 config_aper_size;
2301
2302	/* work out accessible VRAM */
2303	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2304	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2305	rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2306	/* FIXME we don't use the second aperture yet when we could use it */
2307	if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2308		rdev->mc.visible_vram_size = rdev->mc.aper_size;
2309	config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2310	if (rdev->flags & RADEON_IS_IGP) {
2311		uint32_t tom;
2312		/* read NB_TOM to get the amount of ram stolen for the GPU */
2313		tom = RREG32(RADEON_NB_TOM);
2314		rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2315		WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2316		rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2317	} else {
2318		rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2319		/* Some production boards of m6 will report 0
2320		 * if it's 8 MB
2321		 */
2322		if (rdev->mc.real_vram_size == 0) {
2323			rdev->mc.real_vram_size = 8192 * 1024;
2324			WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2325		}
2326		/* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
2327		 * Novell bug 204882 + along with lots of ubuntu ones
2328		 */
2329		if (rdev->mc.aper_size > config_aper_size)
2330			config_aper_size = rdev->mc.aper_size;
2331
2332		if (config_aper_size > rdev->mc.real_vram_size)
2333			rdev->mc.mc_vram_size = config_aper_size;
2334		else
2335			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2336	}
2337}
2338
2339void r100_vga_set_state(struct radeon_device *rdev, bool state)
2340{
2341	uint32_t temp;
2342
2343	temp = RREG32(RADEON_CONFIG_CNTL);
2344	if (state == false) {
2345		temp &= ~RADEON_CFG_VGA_RAM_EN;
2346		temp |= RADEON_CFG_VGA_IO_DIS;
2347	} else {
2348		temp &= ~RADEON_CFG_VGA_IO_DIS;
2349	}
2350	WREG32(RADEON_CONFIG_CNTL, temp);
2351}
2352
2353void r100_mc_init(struct radeon_device *rdev)
2354{
2355	u64 base;
2356
2357	r100_vram_get_type(rdev);
2358	r100_vram_init_sizes(rdev);
2359	base = rdev->mc.aper_base;
2360	if (rdev->flags & RADEON_IS_IGP)
2361		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2362	radeon_vram_location(rdev, &rdev->mc, base);
2363	rdev->mc.gtt_base_align = 0;
2364	if (!(rdev->flags & RADEON_IS_AGP))
2365		radeon_gtt_location(rdev, &rdev->mc);
2366	radeon_update_bandwidth_info(rdev);
2367}
2368
2369
2370/*
2371 * Indirect registers accessor
2372 */
2373void r100_pll_errata_after_index(struct radeon_device *rdev)
2374{
2375	if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2376		(void)RREG32(RADEON_CLOCK_CNTL_DATA);
2377		(void)RREG32(RADEON_CRTC_GEN_CNTL);
2378	}
2379}
2380
2381static void r100_pll_errata_after_data(struct radeon_device *rdev)
2382{
2383	/* This workarounds is necessary on RV100, RS100 and RS200 chips
2384	 * or the chip could hang on a subsequent access
2385	 */
2386	if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2387		udelay(5000);
2388	}
2389
2390	/* This function is required to workaround a hardware bug in some (all?)
2391	 * revisions of the R300.  This workaround should be called after every
2392	 * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2393	 * may not be correct.
2394	 */
2395	if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2396		uint32_t save, tmp;
2397
2398		save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2399		tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2400		WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2401		tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2402		WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2403	}
2404}
2405
2406uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2407{
 
2408	uint32_t data;
2409
 
2410	WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2411	r100_pll_errata_after_index(rdev);
2412	data = RREG32(RADEON_CLOCK_CNTL_DATA);
2413	r100_pll_errata_after_data(rdev);
 
2414	return data;
2415}
2416
2417void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2418{
 
 
 
2419	WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2420	r100_pll_errata_after_index(rdev);
2421	WREG32(RADEON_CLOCK_CNTL_DATA, v);
2422	r100_pll_errata_after_data(rdev);
 
2423}
2424
2425void r100_set_safe_registers(struct radeon_device *rdev)
2426{
2427	if (ASIC_IS_RN50(rdev)) {
2428		rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2429		rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2430	} else if (rdev->family < CHIP_R200) {
2431		rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2432		rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2433	} else {
2434		r200_set_safe_registers(rdev);
2435	}
2436}
2437
2438/*
2439 * Debugfs info
2440 */
2441#if defined(CONFIG_DEBUG_FS)
2442static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2443{
2444	struct drm_info_node *node = (struct drm_info_node *) m->private;
2445	struct drm_device *dev = node->minor->dev;
2446	struct radeon_device *rdev = dev->dev_private;
2447	uint32_t reg, value;
2448	unsigned i;
2449
2450	seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2451	seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2452	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2453	for (i = 0; i < 64; i++) {
2454		WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2455		reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2456		WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2457		value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2458		seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2459	}
2460	return 0;
2461}
2462
2463static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2464{
2465	struct drm_info_node *node = (struct drm_info_node *) m->private;
2466	struct drm_device *dev = node->minor->dev;
2467	struct radeon_device *rdev = dev->dev_private;
2468	uint32_t rdp, wdp;
2469	unsigned count, i, j;
2470
2471	radeon_ring_free_size(rdev);
2472	rdp = RREG32(RADEON_CP_RB_RPTR);
2473	wdp = RREG32(RADEON_CP_RB_WPTR);
2474	count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
2475	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2476	seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2477	seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2478	seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
2479	seq_printf(m, "%u dwords in ring\n", count);
2480	for (j = 0; j <= count; j++) {
2481		i = (rdp + j) & rdev->cp.ptr_mask;
2482		seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
 
 
2483	}
2484	return 0;
2485}
2486
2487
2488static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2489{
2490	struct drm_info_node *node = (struct drm_info_node *) m->private;
2491	struct drm_device *dev = node->minor->dev;
2492	struct radeon_device *rdev = dev->dev_private;
2493	uint32_t csq_stat, csq2_stat, tmp;
2494	unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2495	unsigned i;
2496
2497	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2498	seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2499	csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2500	csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2501	r_rptr = (csq_stat >> 0) & 0x3ff;
2502	r_wptr = (csq_stat >> 10) & 0x3ff;
2503	ib1_rptr = (csq_stat >> 20) & 0x3ff;
2504	ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2505	ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2506	ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2507	seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2508	seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2509	seq_printf(m, "Ring rptr %u\n", r_rptr);
2510	seq_printf(m, "Ring wptr %u\n", r_wptr);
2511	seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2512	seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2513	seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2514	seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2515	/* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2516	 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2517	seq_printf(m, "Ring fifo:\n");
2518	for (i = 0; i < 256; i++) {
2519		WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2520		tmp = RREG32(RADEON_CP_CSQ_DATA);
2521		seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2522	}
2523	seq_printf(m, "Indirect1 fifo:\n");
2524	for (i = 256; i <= 512; i++) {
2525		WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2526		tmp = RREG32(RADEON_CP_CSQ_DATA);
2527		seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2528	}
2529	seq_printf(m, "Indirect2 fifo:\n");
2530	for (i = 640; i < ib1_wptr; i++) {
2531		WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2532		tmp = RREG32(RADEON_CP_CSQ_DATA);
2533		seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2534	}
2535	return 0;
2536}
2537
2538static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2539{
2540	struct drm_info_node *node = (struct drm_info_node *) m->private;
2541	struct drm_device *dev = node->minor->dev;
2542	struct radeon_device *rdev = dev->dev_private;
2543	uint32_t tmp;
2544
2545	tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2546	seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2547	tmp = RREG32(RADEON_MC_FB_LOCATION);
2548	seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2549	tmp = RREG32(RADEON_BUS_CNTL);
2550	seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2551	tmp = RREG32(RADEON_MC_AGP_LOCATION);
2552	seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2553	tmp = RREG32(RADEON_AGP_BASE);
2554	seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2555	tmp = RREG32(RADEON_HOST_PATH_CNTL);
2556	seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2557	tmp = RREG32(0x01D0);
2558	seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2559	tmp = RREG32(RADEON_AIC_LO_ADDR);
2560	seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2561	tmp = RREG32(RADEON_AIC_HI_ADDR);
2562	seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2563	tmp = RREG32(0x01E4);
2564	seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2565	return 0;
2566}
2567
2568static struct drm_info_list r100_debugfs_rbbm_list[] = {
2569	{"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2570};
2571
2572static struct drm_info_list r100_debugfs_cp_list[] = {
2573	{"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2574	{"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2575};
2576
2577static struct drm_info_list r100_debugfs_mc_info_list[] = {
2578	{"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2579};
2580#endif
2581
2582int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2583{
2584#if defined(CONFIG_DEBUG_FS)
2585	return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2586#else
2587	return 0;
 
2588#endif
2589}
2590
2591int r100_debugfs_cp_init(struct radeon_device *rdev)
2592{
2593#if defined(CONFIG_DEBUG_FS)
2594	return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2595#else
2596	return 0;
 
 
 
2597#endif
2598}
2599
2600int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2601{
2602#if defined(CONFIG_DEBUG_FS)
2603	return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2604#else
2605	return 0;
 
2606#endif
2607}
2608
2609int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2610			 uint32_t tiling_flags, uint32_t pitch,
2611			 uint32_t offset, uint32_t obj_size)
2612{
2613	int surf_index = reg * 16;
2614	int flags = 0;
2615
2616	if (rdev->family <= CHIP_RS200) {
2617		if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2618				 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2619			flags |= RADEON_SURF_TILE_COLOR_BOTH;
2620		if (tiling_flags & RADEON_TILING_MACRO)
2621			flags |= RADEON_SURF_TILE_COLOR_MACRO;
 
 
 
 
2622	} else if (rdev->family <= CHIP_RV280) {
2623		if (tiling_flags & (RADEON_TILING_MACRO))
2624			flags |= R200_SURF_TILE_COLOR_MACRO;
2625		if (tiling_flags & RADEON_TILING_MICRO)
2626			flags |= R200_SURF_TILE_COLOR_MICRO;
2627	} else {
2628		if (tiling_flags & RADEON_TILING_MACRO)
2629			flags |= R300_SURF_TILE_MACRO;
2630		if (tiling_flags & RADEON_TILING_MICRO)
2631			flags |= R300_SURF_TILE_MICRO;
2632	}
2633
2634	if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2635		flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2636	if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2637		flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2638
2639	/* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
2640	if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
2641		if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
2642			if (ASIC_IS_RN50(rdev))
2643				pitch /= 16;
2644	}
2645
2646	/* r100/r200 divide by 16 */
2647	if (rdev->family < CHIP_R300)
2648		flags |= pitch / 16;
2649	else
2650		flags |= pitch / 8;
2651
2652
2653	DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2654	WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2655	WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2656	WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2657	return 0;
2658}
2659
2660void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2661{
2662	int surf_index = reg * 16;
2663	WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2664}
2665
2666void r100_bandwidth_update(struct radeon_device *rdev)
2667{
2668	fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2669	fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2670	fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
 
2671	uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2672	fixed20_12 memtcas_ff[8] = {
2673		dfixed_init(1),
2674		dfixed_init(2),
2675		dfixed_init(3),
2676		dfixed_init(0),
2677		dfixed_init_half(1),
2678		dfixed_init_half(2),
2679		dfixed_init(0),
2680	};
2681	fixed20_12 memtcas_rs480_ff[8] = {
2682		dfixed_init(0),
2683		dfixed_init(1),
2684		dfixed_init(2),
2685		dfixed_init(3),
2686		dfixed_init(0),
2687		dfixed_init_half(1),
2688		dfixed_init_half(2),
2689		dfixed_init_half(3),
2690	};
2691	fixed20_12 memtcas2_ff[8] = {
2692		dfixed_init(0),
2693		dfixed_init(1),
2694		dfixed_init(2),
2695		dfixed_init(3),
2696		dfixed_init(4),
2697		dfixed_init(5),
2698		dfixed_init(6),
2699		dfixed_init(7),
2700	};
2701	fixed20_12 memtrbs[8] = {
2702		dfixed_init(1),
2703		dfixed_init_half(1),
2704		dfixed_init(2),
2705		dfixed_init_half(2),
2706		dfixed_init(3),
2707		dfixed_init_half(3),
2708		dfixed_init(4),
2709		dfixed_init_half(4)
2710	};
2711	fixed20_12 memtrbs_r4xx[8] = {
2712		dfixed_init(4),
2713		dfixed_init(5),
2714		dfixed_init(6),
2715		dfixed_init(7),
2716		dfixed_init(8),
2717		dfixed_init(9),
2718		dfixed_init(10),
2719		dfixed_init(11)
2720	};
2721	fixed20_12 min_mem_eff;
2722	fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2723	fixed20_12 cur_latency_mclk, cur_latency_sclk;
2724	fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2725		disp_drain_rate2, read_return_rate;
2726	fixed20_12 time_disp1_drop_priority;
2727	int c;
2728	int cur_size = 16;       /* in octawords */
2729	int critical_point = 0, critical_point2;
2730/* 	uint32_t read_return_rate, time_disp1_drop_priority; */
2731	int stop_req, max_stop_req;
2732	struct drm_display_mode *mode1 = NULL;
2733	struct drm_display_mode *mode2 = NULL;
2734	uint32_t pixel_bytes1 = 0;
2735	uint32_t pixel_bytes2 = 0;
2736
 
 
 
 
 
 
2737	radeon_update_display_priority(rdev);
2738
2739	if (rdev->mode_info.crtcs[0]->base.enabled) {
 
 
 
2740		mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2741		pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2742	}
2743	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2744		if (rdev->mode_info.crtcs[1]->base.enabled) {
 
 
 
2745			mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2746			pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2747		}
2748	}
2749
2750	min_mem_eff.full = dfixed_const_8(0);
2751	/* get modes */
2752	if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2753		uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2754		mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2755		mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2756		/* check crtc enables */
2757		if (mode2)
2758			mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2759		if (mode1)
2760			mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2761		WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2762	}
2763
2764	/*
2765	 * determine is there is enough bw for current mode
2766	 */
2767	sclk_ff = rdev->pm.sclk;
2768	mclk_ff = rdev->pm.mclk;
2769
2770	temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2771	temp_ff.full = dfixed_const(temp);
2772	mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
2773
2774	pix_clk.full = 0;
2775	pix_clk2.full = 0;
2776	peak_disp_bw.full = 0;
2777	if (mode1) {
2778		temp_ff.full = dfixed_const(1000);
2779		pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
2780		pix_clk.full = dfixed_div(pix_clk, temp_ff);
2781		temp_ff.full = dfixed_const(pixel_bytes1);
2782		peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
2783	}
2784	if (mode2) {
2785		temp_ff.full = dfixed_const(1000);
2786		pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
2787		pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
2788		temp_ff.full = dfixed_const(pixel_bytes2);
2789		peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
2790	}
2791
2792	mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
2793	if (peak_disp_bw.full >= mem_bw.full) {
2794		DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2795			  "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2796	}
2797
2798	/*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2799	temp = RREG32(RADEON_MEM_TIMING_CNTL);
2800	if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2801		mem_trcd = ((temp >> 2) & 0x3) + 1;
2802		mem_trp  = ((temp & 0x3)) + 1;
2803		mem_tras = ((temp & 0x70) >> 4) + 1;
2804	} else if (rdev->family == CHIP_R300 ||
2805		   rdev->family == CHIP_R350) { /* r300, r350 */
2806		mem_trcd = (temp & 0x7) + 1;
2807		mem_trp = ((temp >> 8) & 0x7) + 1;
2808		mem_tras = ((temp >> 11) & 0xf) + 4;
2809	} else if (rdev->family == CHIP_RV350 ||
2810		   rdev->family <= CHIP_RV380) {
2811		/* rv3x0 */
2812		mem_trcd = (temp & 0x7) + 3;
2813		mem_trp = ((temp >> 8) & 0x7) + 3;
2814		mem_tras = ((temp >> 11) & 0xf) + 6;
2815	} else if (rdev->family == CHIP_R420 ||
2816		   rdev->family == CHIP_R423 ||
2817		   rdev->family == CHIP_RV410) {
2818		/* r4xx */
2819		mem_trcd = (temp & 0xf) + 3;
2820		if (mem_trcd > 15)
2821			mem_trcd = 15;
2822		mem_trp = ((temp >> 8) & 0xf) + 3;
2823		if (mem_trp > 15)
2824			mem_trp = 15;
2825		mem_tras = ((temp >> 12) & 0x1f) + 6;
2826		if (mem_tras > 31)
2827			mem_tras = 31;
2828	} else { /* RV200, R200 */
2829		mem_trcd = (temp & 0x7) + 1;
2830		mem_trp = ((temp >> 8) & 0x7) + 1;
2831		mem_tras = ((temp >> 12) & 0xf) + 4;
2832	}
2833	/* convert to FF */
2834	trcd_ff.full = dfixed_const(mem_trcd);
2835	trp_ff.full = dfixed_const(mem_trp);
2836	tras_ff.full = dfixed_const(mem_tras);
2837
2838	/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2839	temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2840	data = (temp & (7 << 20)) >> 20;
2841	if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2842		if (rdev->family == CHIP_RS480) /* don't think rs400 */
2843			tcas_ff = memtcas_rs480_ff[data];
2844		else
2845			tcas_ff = memtcas_ff[data];
2846	} else
2847		tcas_ff = memtcas2_ff[data];
2848
2849	if (rdev->family == CHIP_RS400 ||
2850	    rdev->family == CHIP_RS480) {
2851		/* extra cas latency stored in bits 23-25 0-4 clocks */
2852		data = (temp >> 23) & 0x7;
2853		if (data < 5)
2854			tcas_ff.full += dfixed_const(data);
2855	}
2856
2857	if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2858		/* on the R300, Tcas is included in Trbs.
2859		 */
2860		temp = RREG32(RADEON_MEM_CNTL);
2861		data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2862		if (data == 1) {
2863			if (R300_MEM_USE_CD_CH_ONLY & temp) {
2864				temp = RREG32(R300_MC_IND_INDEX);
2865				temp &= ~R300_MC_IND_ADDR_MASK;
2866				temp |= R300_MC_READ_CNTL_CD_mcind;
2867				WREG32(R300_MC_IND_INDEX, temp);
2868				temp = RREG32(R300_MC_IND_DATA);
2869				data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2870			} else {
2871				temp = RREG32(R300_MC_READ_CNTL_AB);
2872				data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2873			}
2874		} else {
2875			temp = RREG32(R300_MC_READ_CNTL_AB);
2876			data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2877		}
2878		if (rdev->family == CHIP_RV410 ||
2879		    rdev->family == CHIP_R420 ||
2880		    rdev->family == CHIP_R423)
2881			trbs_ff = memtrbs_r4xx[data];
2882		else
2883			trbs_ff = memtrbs[data];
2884		tcas_ff.full += trbs_ff.full;
2885	}
2886
2887	sclk_eff_ff.full = sclk_ff.full;
2888
2889	if (rdev->flags & RADEON_IS_AGP) {
2890		fixed20_12 agpmode_ff;
2891		agpmode_ff.full = dfixed_const(radeon_agpmode);
2892		temp_ff.full = dfixed_const_666(16);
2893		sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
2894	}
2895	/* TODO PCIE lanes may affect this - agpmode == 16?? */
2896
2897	if (ASIC_IS_R300(rdev)) {
2898		sclk_delay_ff.full = dfixed_const(250);
2899	} else {
2900		if ((rdev->family == CHIP_RV100) ||
2901		    rdev->flags & RADEON_IS_IGP) {
2902			if (rdev->mc.vram_is_ddr)
2903				sclk_delay_ff.full = dfixed_const(41);
2904			else
2905				sclk_delay_ff.full = dfixed_const(33);
2906		} else {
2907			if (rdev->mc.vram_width == 128)
2908				sclk_delay_ff.full = dfixed_const(57);
2909			else
2910				sclk_delay_ff.full = dfixed_const(41);
2911		}
2912	}
2913
2914	mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
2915
2916	if (rdev->mc.vram_is_ddr) {
2917		if (rdev->mc.vram_width == 32) {
2918			k1.full = dfixed_const(40);
2919			c  = 3;
2920		} else {
2921			k1.full = dfixed_const(20);
2922			c  = 1;
2923		}
2924	} else {
2925		k1.full = dfixed_const(40);
2926		c  = 3;
2927	}
2928
2929	temp_ff.full = dfixed_const(2);
2930	mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
2931	temp_ff.full = dfixed_const(c);
2932	mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
2933	temp_ff.full = dfixed_const(4);
2934	mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
2935	mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
2936	mc_latency_mclk.full += k1.full;
2937
2938	mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
2939	mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
2940
2941	/*
2942	  HW cursor time assuming worst case of full size colour cursor.
2943	*/
2944	temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2945	temp_ff.full += trcd_ff.full;
2946	if (temp_ff.full < tras_ff.full)
2947		temp_ff.full = tras_ff.full;
2948	cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
2949
2950	temp_ff.full = dfixed_const(cur_size);
2951	cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
2952	/*
2953	  Find the total latency for the display data.
2954	*/
2955	disp_latency_overhead.full = dfixed_const(8);
2956	disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
2957	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2958	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2959
2960	if (mc_latency_mclk.full > mc_latency_sclk.full)
2961		disp_latency.full = mc_latency_mclk.full;
2962	else
2963		disp_latency.full = mc_latency_sclk.full;
2964
2965	/* setup Max GRPH_STOP_REQ default value */
2966	if (ASIC_IS_RV100(rdev))
2967		max_stop_req = 0x5c;
2968	else
2969		max_stop_req = 0x7c;
2970
2971	if (mode1) {
2972		/*  CRTC1
2973		    Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2974		    GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2975		*/
2976		stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2977
2978		if (stop_req > max_stop_req)
2979			stop_req = max_stop_req;
2980
2981		/*
2982		  Find the drain rate of the display buffer.
2983		*/
2984		temp_ff.full = dfixed_const((16/pixel_bytes1));
2985		disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
2986
2987		/*
2988		  Find the critical point of the display buffer.
2989		*/
2990		crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
2991		crit_point_ff.full += dfixed_const_half(0);
2992
2993		critical_point = dfixed_trunc(crit_point_ff);
2994
2995		if (rdev->disp_priority == 2) {
2996			critical_point = 0;
2997		}
2998
2999		/*
3000		  The critical point should never be above max_stop_req-4.  Setting
3001		  GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3002		*/
3003		if (max_stop_req - critical_point < 4)
3004			critical_point = 0;
3005
3006		if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3007			/* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3008			critical_point = 0x10;
3009		}
3010
3011		temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3012		temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3013		temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3014		temp &= ~(RADEON_GRPH_START_REQ_MASK);
3015		if ((rdev->family == CHIP_R350) &&
3016		    (stop_req > 0x15)) {
3017			stop_req -= 0x10;
3018		}
3019		temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3020		temp |= RADEON_GRPH_BUFFER_SIZE;
3021		temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3022			  RADEON_GRPH_CRITICAL_AT_SOF |
3023			  RADEON_GRPH_STOP_CNTL);
3024		/*
3025		  Write the result into the register.
3026		*/
3027		WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3028						       (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3029
3030#if 0
3031		if ((rdev->family == CHIP_RS400) ||
3032		    (rdev->family == CHIP_RS480)) {
3033			/* attempt to program RS400 disp regs correctly ??? */
3034			temp = RREG32(RS400_DISP1_REG_CNTL);
3035			temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3036				  RS400_DISP1_STOP_REQ_LEVEL_MASK);
3037			WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3038						       (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3039						       (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3040			temp = RREG32(RS400_DMIF_MEM_CNTL1);
3041			temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3042				  RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3043			WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3044						      (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3045						      (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3046		}
3047#endif
3048
3049		DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3050			  /* 	  (unsigned int)info->SavedReg->grph_buffer_cntl, */
3051			  (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3052	}
3053
3054	if (mode2) {
3055		u32 grph2_cntl;
3056		stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3057
3058		if (stop_req > max_stop_req)
3059			stop_req = max_stop_req;
3060
3061		/*
3062		  Find the drain rate of the display buffer.
3063		*/
3064		temp_ff.full = dfixed_const((16/pixel_bytes2));
3065		disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3066
3067		grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3068		grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3069		grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3070		grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3071		if ((rdev->family == CHIP_R350) &&
3072		    (stop_req > 0x15)) {
3073			stop_req -= 0x10;
3074		}
3075		grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3076		grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3077		grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3078			  RADEON_GRPH_CRITICAL_AT_SOF |
3079			  RADEON_GRPH_STOP_CNTL);
3080
3081		if ((rdev->family == CHIP_RS100) ||
3082		    (rdev->family == CHIP_RS200))
3083			critical_point2 = 0;
3084		else {
3085			temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3086			temp_ff.full = dfixed_const(temp);
3087			temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3088			if (sclk_ff.full < temp_ff.full)
3089				temp_ff.full = sclk_ff.full;
3090
3091			read_return_rate.full = temp_ff.full;
3092
3093			if (mode1) {
3094				temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3095				time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3096			} else {
3097				time_disp1_drop_priority.full = 0;
3098			}
3099			crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3100			crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3101			crit_point_ff.full += dfixed_const_half(0);
3102
3103			critical_point2 = dfixed_trunc(crit_point_ff);
3104
3105			if (rdev->disp_priority == 2) {
3106				critical_point2 = 0;
3107			}
3108
3109			if (max_stop_req - critical_point2 < 4)
3110				critical_point2 = 0;
3111
3112		}
3113
3114		if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3115			/* some R300 cards have problem with this set to 0 */
3116			critical_point2 = 0x10;
3117		}
3118
3119		WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3120						  (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3121
3122		if ((rdev->family == CHIP_RS400) ||
3123		    (rdev->family == CHIP_RS480)) {
3124#if 0
3125			/* attempt to program RS400 disp2 regs correctly ??? */
3126			temp = RREG32(RS400_DISP2_REQ_CNTL1);
3127			temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3128				  RS400_DISP2_STOP_REQ_LEVEL_MASK);
3129			WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3130						       (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3131						       (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3132			temp = RREG32(RS400_DISP2_REQ_CNTL2);
3133			temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3134				  RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3135			WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3136						       (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3137						       (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3138#endif
3139			WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3140			WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3141			WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
3142			WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3143		}
3144
3145		DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3146			  (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3147	}
3148}
3149
3150static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
3151{
3152	DRM_ERROR("pitch                      %d\n", t->pitch);
3153	DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
3154	DRM_ERROR("width                      %d\n", t->width);
3155	DRM_ERROR("width_11                   %d\n", t->width_11);
3156	DRM_ERROR("height                     %d\n", t->height);
3157	DRM_ERROR("height_11                  %d\n", t->height_11);
3158	DRM_ERROR("num levels                 %d\n", t->num_levels);
3159	DRM_ERROR("depth                      %d\n", t->txdepth);
3160	DRM_ERROR("bpp                        %d\n", t->cpp);
3161	DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
3162	DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
3163	DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
3164	DRM_ERROR("compress format            %d\n", t->compress_format);
3165}
3166
3167static int r100_track_compress_size(int compress_format, int w, int h)
3168{
3169	int block_width, block_height, block_bytes;
3170	int wblocks, hblocks;
3171	int min_wblocks;
3172	int sz;
3173
3174	block_width = 4;
3175	block_height = 4;
3176
3177	switch (compress_format) {
3178	case R100_TRACK_COMP_DXT1:
3179		block_bytes = 8;
3180		min_wblocks = 4;
3181		break;
3182	default:
3183	case R100_TRACK_COMP_DXT35:
3184		block_bytes = 16;
3185		min_wblocks = 2;
3186		break;
3187	}
3188
3189	hblocks = (h + block_height - 1) / block_height;
3190	wblocks = (w + block_width - 1) / block_width;
3191	if (wblocks < min_wblocks)
3192		wblocks = min_wblocks;
3193	sz = wblocks * hblocks * block_bytes;
3194	return sz;
3195}
3196
3197static int r100_cs_track_cube(struct radeon_device *rdev,
3198			      struct r100_cs_track *track, unsigned idx)
3199{
3200	unsigned face, w, h;
3201	struct radeon_bo *cube_robj;
3202	unsigned long size;
3203	unsigned compress_format = track->textures[idx].compress_format;
3204
3205	for (face = 0; face < 5; face++) {
3206		cube_robj = track->textures[idx].cube_info[face].robj;
3207		w = track->textures[idx].cube_info[face].width;
3208		h = track->textures[idx].cube_info[face].height;
3209
3210		if (compress_format) {
3211			size = r100_track_compress_size(compress_format, w, h);
3212		} else
3213			size = w * h;
3214		size *= track->textures[idx].cpp;
3215
3216		size += track->textures[idx].cube_info[face].offset;
3217
3218		if (size > radeon_bo_size(cube_robj)) {
3219			DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
3220				  size, radeon_bo_size(cube_robj));
3221			r100_cs_track_texture_print(&track->textures[idx]);
3222			return -1;
3223		}
3224	}
3225	return 0;
3226}
3227
3228static int r100_cs_track_texture_check(struct radeon_device *rdev,
3229				       struct r100_cs_track *track)
3230{
3231	struct radeon_bo *robj;
3232	unsigned long size;
3233	unsigned u, i, w, h, d;
3234	int ret;
3235
3236	for (u = 0; u < track->num_texture; u++) {
3237		if (!track->textures[u].enabled)
3238			continue;
3239		if (track->textures[u].lookup_disable)
3240			continue;
3241		robj = track->textures[u].robj;
3242		if (robj == NULL) {
3243			DRM_ERROR("No texture bound to unit %u\n", u);
3244			return -EINVAL;
3245		}
3246		size = 0;
3247		for (i = 0; i <= track->textures[u].num_levels; i++) {
3248			if (track->textures[u].use_pitch) {
3249				if (rdev->family < CHIP_R300)
3250					w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
3251				else
3252					w = track->textures[u].pitch / (1 << i);
3253			} else {
3254				w = track->textures[u].width;
3255				if (rdev->family >= CHIP_RV515)
3256					w |= track->textures[u].width_11;
3257				w = w / (1 << i);
3258				if (track->textures[u].roundup_w)
3259					w = roundup_pow_of_two(w);
3260			}
3261			h = track->textures[u].height;
3262			if (rdev->family >= CHIP_RV515)
3263				h |= track->textures[u].height_11;
3264			h = h / (1 << i);
3265			if (track->textures[u].roundup_h)
3266				h = roundup_pow_of_two(h);
3267			if (track->textures[u].tex_coord_type == 1) {
3268				d = (1 << track->textures[u].txdepth) / (1 << i);
3269				if (!d)
3270					d = 1;
3271			} else {
3272				d = 1;
3273			}
3274			if (track->textures[u].compress_format) {
3275
3276				size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
3277				/* compressed textures are block based */
3278			} else
3279				size += w * h * d;
3280		}
3281		size *= track->textures[u].cpp;
3282
3283		switch (track->textures[u].tex_coord_type) {
3284		case 0:
3285		case 1:
3286			break;
3287		case 2:
3288			if (track->separate_cube) {
3289				ret = r100_cs_track_cube(rdev, track, u);
3290				if (ret)
3291					return ret;
3292			} else
3293				size *= 6;
3294			break;
3295		default:
3296			DRM_ERROR("Invalid texture coordinate type %u for unit "
3297				  "%u\n", track->textures[u].tex_coord_type, u);
3298			return -EINVAL;
3299		}
3300		if (size > radeon_bo_size(robj)) {
3301			DRM_ERROR("Texture of unit %u needs %lu bytes but is "
3302				  "%lu\n", u, size, radeon_bo_size(robj));
3303			r100_cs_track_texture_print(&track->textures[u]);
3304			return -EINVAL;
3305		}
3306	}
3307	return 0;
3308}
3309
3310int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
3311{
3312	unsigned i;
3313	unsigned long size;
3314	unsigned prim_walk;
3315	unsigned nverts;
3316	unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
3317
3318	if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
3319	    !track->blend_read_enable)
3320		num_cb = 0;
3321
3322	for (i = 0; i < num_cb; i++) {
3323		if (track->cb[i].robj == NULL) {
3324			DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
3325			return -EINVAL;
3326		}
3327		size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
3328		size += track->cb[i].offset;
3329		if (size > radeon_bo_size(track->cb[i].robj)) {
3330			DRM_ERROR("[drm] Buffer too small for color buffer %d "
3331				  "(need %lu have %lu) !\n", i, size,
3332				  radeon_bo_size(track->cb[i].robj));
3333			DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
3334				  i, track->cb[i].pitch, track->cb[i].cpp,
3335				  track->cb[i].offset, track->maxy);
3336			return -EINVAL;
3337		}
3338	}
3339	track->cb_dirty = false;
3340
3341	if (track->zb_dirty && track->z_enabled) {
3342		if (track->zb.robj == NULL) {
3343			DRM_ERROR("[drm] No buffer for z buffer !\n");
3344			return -EINVAL;
3345		}
3346		size = track->zb.pitch * track->zb.cpp * track->maxy;
3347		size += track->zb.offset;
3348		if (size > radeon_bo_size(track->zb.robj)) {
3349			DRM_ERROR("[drm] Buffer too small for z buffer "
3350				  "(need %lu have %lu) !\n", size,
3351				  radeon_bo_size(track->zb.robj));
3352			DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
3353				  track->zb.pitch, track->zb.cpp,
3354				  track->zb.offset, track->maxy);
3355			return -EINVAL;
3356		}
3357	}
3358	track->zb_dirty = false;
3359
3360	if (track->aa_dirty && track->aaresolve) {
3361		if (track->aa.robj == NULL) {
3362			DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
3363			return -EINVAL;
3364		}
3365		/* I believe the format comes from colorbuffer0. */
3366		size = track->aa.pitch * track->cb[0].cpp * track->maxy;
3367		size += track->aa.offset;
3368		if (size > radeon_bo_size(track->aa.robj)) {
3369			DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
3370				  "(need %lu have %lu) !\n", i, size,
3371				  radeon_bo_size(track->aa.robj));
3372			DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
3373				  i, track->aa.pitch, track->cb[0].cpp,
3374				  track->aa.offset, track->maxy);
3375			return -EINVAL;
3376		}
3377	}
3378	track->aa_dirty = false;
3379
3380	prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
3381	if (track->vap_vf_cntl & (1 << 14)) {
3382		nverts = track->vap_alt_nverts;
3383	} else {
3384		nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
3385	}
3386	switch (prim_walk) {
3387	case 1:
3388		for (i = 0; i < track->num_arrays; i++) {
3389			size = track->arrays[i].esize * track->max_indx * 4;
3390			if (track->arrays[i].robj == NULL) {
3391				DRM_ERROR("(PW %u) Vertex array %u no buffer "
3392					  "bound\n", prim_walk, i);
3393				return -EINVAL;
3394			}
3395			if (size > radeon_bo_size(track->arrays[i].robj)) {
3396				dev_err(rdev->dev, "(PW %u) Vertex array %u "
3397					"need %lu dwords have %lu dwords\n",
3398					prim_walk, i, size >> 2,
3399					radeon_bo_size(track->arrays[i].robj)
3400					>> 2);
3401				DRM_ERROR("Max indices %u\n", track->max_indx);
3402				return -EINVAL;
3403			}
3404		}
3405		break;
3406	case 2:
3407		for (i = 0; i < track->num_arrays; i++) {
3408			size = track->arrays[i].esize * (nverts - 1) * 4;
3409			if (track->arrays[i].robj == NULL) {
3410				DRM_ERROR("(PW %u) Vertex array %u no buffer "
3411					  "bound\n", prim_walk, i);
3412				return -EINVAL;
3413			}
3414			if (size > radeon_bo_size(track->arrays[i].robj)) {
3415				dev_err(rdev->dev, "(PW %u) Vertex array %u "
3416					"need %lu dwords have %lu dwords\n",
3417					prim_walk, i, size >> 2,
3418					radeon_bo_size(track->arrays[i].robj)
3419					>> 2);
3420				return -EINVAL;
3421			}
3422		}
3423		break;
3424	case 3:
3425		size = track->vtx_size * nverts;
3426		if (size != track->immd_dwords) {
3427			DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
3428				  track->immd_dwords, size);
3429			DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
3430				  nverts, track->vtx_size);
3431			return -EINVAL;
3432		}
3433		break;
3434	default:
3435		DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
3436			  prim_walk);
3437		return -EINVAL;
3438	}
3439
3440	if (track->tex_dirty) {
3441		track->tex_dirty = false;
3442		return r100_cs_track_texture_check(rdev, track);
3443	}
3444	return 0;
3445}
3446
3447void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
3448{
3449	unsigned i, face;
3450
3451	track->cb_dirty = true;
3452	track->zb_dirty = true;
3453	track->tex_dirty = true;
3454	track->aa_dirty = true;
3455
3456	if (rdev->family < CHIP_R300) {
3457		track->num_cb = 1;
3458		if (rdev->family <= CHIP_RS200)
3459			track->num_texture = 3;
3460		else
3461			track->num_texture = 6;
3462		track->maxy = 2048;
3463		track->separate_cube = 1;
3464	} else {
3465		track->num_cb = 4;
3466		track->num_texture = 16;
3467		track->maxy = 4096;
3468		track->separate_cube = 0;
3469		track->aaresolve = false;
3470		track->aa.robj = NULL;
3471	}
3472
3473	for (i = 0; i < track->num_cb; i++) {
3474		track->cb[i].robj = NULL;
3475		track->cb[i].pitch = 8192;
3476		track->cb[i].cpp = 16;
3477		track->cb[i].offset = 0;
3478	}
3479	track->z_enabled = true;
3480	track->zb.robj = NULL;
3481	track->zb.pitch = 8192;
3482	track->zb.cpp = 4;
3483	track->zb.offset = 0;
3484	track->vtx_size = 0x7F;
3485	track->immd_dwords = 0xFFFFFFFFUL;
3486	track->num_arrays = 11;
3487	track->max_indx = 0x00FFFFFFUL;
3488	for (i = 0; i < track->num_arrays; i++) {
3489		track->arrays[i].robj = NULL;
3490		track->arrays[i].esize = 0x7F;
3491	}
3492	for (i = 0; i < track->num_texture; i++) {
3493		track->textures[i].compress_format = R100_TRACK_COMP_NONE;
3494		track->textures[i].pitch = 16536;
3495		track->textures[i].width = 16536;
3496		track->textures[i].height = 16536;
3497		track->textures[i].width_11 = 1 << 11;
3498		track->textures[i].height_11 = 1 << 11;
3499		track->textures[i].num_levels = 12;
3500		if (rdev->family <= CHIP_RS200) {
3501			track->textures[i].tex_coord_type = 0;
3502			track->textures[i].txdepth = 0;
3503		} else {
3504			track->textures[i].txdepth = 16;
3505			track->textures[i].tex_coord_type = 1;
3506		}
3507		track->textures[i].cpp = 64;
3508		track->textures[i].robj = NULL;
3509		/* CS IB emission code makes sure texture unit are disabled */
3510		track->textures[i].enabled = false;
3511		track->textures[i].lookup_disable = false;
3512		track->textures[i].roundup_w = true;
3513		track->textures[i].roundup_h = true;
3514		if (track->separate_cube)
3515			for (face = 0; face < 5; face++) {
3516				track->textures[i].cube_info[face].robj = NULL;
3517				track->textures[i].cube_info[face].width = 16536;
3518				track->textures[i].cube_info[face].height = 16536;
3519				track->textures[i].cube_info[face].offset = 0;
3520			}
3521	}
3522}
3523
3524int r100_ring_test(struct radeon_device *rdev)
3525{
3526	uint32_t scratch;
3527	uint32_t tmp = 0;
3528	unsigned i;
3529	int r;
3530
3531	r = radeon_scratch_get(rdev, &scratch);
3532	if (r) {
3533		DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3534		return r;
3535	}
3536	WREG32(scratch, 0xCAFEDEAD);
3537	r = radeon_ring_lock(rdev, 2);
3538	if (r) {
3539		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3540		radeon_scratch_free(rdev, scratch);
3541		return r;
3542	}
3543	radeon_ring_write(rdev, PACKET0(scratch, 0));
3544	radeon_ring_write(rdev, 0xDEADBEEF);
3545	radeon_ring_unlock_commit(rdev);
3546	for (i = 0; i < rdev->usec_timeout; i++) {
3547		tmp = RREG32(scratch);
3548		if (tmp == 0xDEADBEEF) {
3549			break;
3550		}
3551		DRM_UDELAY(1);
3552	}
3553	if (i < rdev->usec_timeout) {
3554		DRM_INFO("ring test succeeded in %d usecs\n", i);
3555	} else {
3556		DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3557			  scratch, tmp);
3558		r = -EINVAL;
3559	}
3560	radeon_scratch_free(rdev, scratch);
3561	return r;
3562}
3563
3564void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3565{
3566	radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
3567	radeon_ring_write(rdev, ib->gpu_addr);
3568	radeon_ring_write(rdev, ib->length_dw);
 
 
 
 
 
 
 
 
3569}
3570
3571int r100_ib_test(struct radeon_device *rdev)
3572{
3573	struct radeon_ib *ib;
3574	uint32_t scratch;
3575	uint32_t tmp = 0;
3576	unsigned i;
3577	int r;
3578
3579	r = radeon_scratch_get(rdev, &scratch);
3580	if (r) {
3581		DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3582		return r;
3583	}
3584	WREG32(scratch, 0xCAFEDEAD);
3585	r = radeon_ib_get(rdev, &ib);
3586	if (r) {
3587		return r;
 
3588	}
3589	ib->ptr[0] = PACKET0(scratch, 0);
3590	ib->ptr[1] = 0xDEADBEEF;
3591	ib->ptr[2] = PACKET2(0);
3592	ib->ptr[3] = PACKET2(0);
3593	ib->ptr[4] = PACKET2(0);
3594	ib->ptr[5] = PACKET2(0);
3595	ib->ptr[6] = PACKET2(0);
3596	ib->ptr[7] = PACKET2(0);
3597	ib->length_dw = 8;
3598	r = radeon_ib_schedule(rdev, ib);
3599	if (r) {
3600		radeon_scratch_free(rdev, scratch);
3601		radeon_ib_free(rdev, &ib);
3602		return r;
3603	}
3604	r = radeon_fence_wait(ib->fence, false);
3605	if (r) {
3606		return r;
 
 
 
 
 
 
3607	}
 
3608	for (i = 0; i < rdev->usec_timeout; i++) {
3609		tmp = RREG32(scratch);
3610		if (tmp == 0xDEADBEEF) {
3611			break;
3612		}
3613		DRM_UDELAY(1);
3614	}
3615	if (i < rdev->usec_timeout) {
3616		DRM_INFO("ib test succeeded in %u usecs\n", i);
3617	} else {
3618		DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3619			  scratch, tmp);
3620		r = -EINVAL;
3621	}
3622	radeon_scratch_free(rdev, scratch);
3623	radeon_ib_free(rdev, &ib);
 
 
3624	return r;
3625}
3626
3627void r100_ib_fini(struct radeon_device *rdev)
3628{
3629	radeon_ib_pool_fini(rdev);
3630}
3631
3632int r100_ib_init(struct radeon_device *rdev)
3633{
3634	int r;
3635
3636	r = radeon_ib_pool_init(rdev);
3637	if (r) {
3638		dev_err(rdev->dev, "failed initializing IB pool (%d).\n", r);
3639		r100_ib_fini(rdev);
3640		return r;
3641	}
3642	r = r100_ib_test(rdev);
3643	if (r) {
3644		dev_err(rdev->dev, "failed testing IB (%d).\n", r);
3645		r100_ib_fini(rdev);
3646		return r;
3647	}
3648	return 0;
3649}
3650
3651void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3652{
3653	/* Shutdown CP we shouldn't need to do that but better be safe than
3654	 * sorry
3655	 */
3656	rdev->cp.ready = false;
3657	WREG32(R_000740_CP_CSQ_CNTL, 0);
3658
3659	/* Save few CRTC registers */
3660	save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3661	save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3662	save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3663	save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3664	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3665		save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3666		save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3667	}
3668
3669	/* Disable VGA aperture access */
3670	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3671	/* Disable cursor, overlay, crtc */
3672	WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3673	WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3674					S_000054_CRTC_DISPLAY_DIS(1));
3675	WREG32(R_000050_CRTC_GEN_CNTL,
3676			(C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3677			S_000050_CRTC_DISP_REQ_EN_B(1));
3678	WREG32(R_000420_OV0_SCALE_CNTL,
3679		C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3680	WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3681	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3682		WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3683						S_000360_CUR2_LOCK(1));
3684		WREG32(R_0003F8_CRTC2_GEN_CNTL,
3685			(C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3686			S_0003F8_CRTC2_DISPLAY_DIS(1) |
3687			S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3688		WREG32(R_000360_CUR2_OFFSET,
3689			C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3690	}
3691}
3692
3693void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3694{
3695	/* Update base address for crtc */
3696	WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3697	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3698		WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3699	}
3700	/* Restore CRTC registers */
3701	WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3702	WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3703	WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3704	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3705		WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3706	}
3707}
3708
3709void r100_vga_render_disable(struct radeon_device *rdev)
3710{
3711	u32 tmp;
3712
3713	tmp = RREG8(R_0003C2_GENMO_WT);
3714	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3715}
3716
3717static void r100_debugfs(struct radeon_device *rdev)
3718{
3719	int r;
3720
3721	r = r100_debugfs_mc_info_init(rdev);
3722	if (r)
3723		dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3724}
3725
3726static void r100_mc_program(struct radeon_device *rdev)
3727{
3728	struct r100_mc_save save;
3729
3730	/* Stops all mc clients */
3731	r100_mc_stop(rdev, &save);
3732	if (rdev->flags & RADEON_IS_AGP) {
3733		WREG32(R_00014C_MC_AGP_LOCATION,
3734			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3735			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3736		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3737		if (rdev->family > CHIP_RV200)
3738			WREG32(R_00015C_AGP_BASE_2,
3739				upper_32_bits(rdev->mc.agp_base) & 0xff);
3740	} else {
3741		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3742		WREG32(R_000170_AGP_BASE, 0);
3743		if (rdev->family > CHIP_RV200)
3744			WREG32(R_00015C_AGP_BASE_2, 0);
3745	}
3746	/* Wait for mc idle */
3747	if (r100_mc_wait_for_idle(rdev))
3748		dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3749	/* Program MC, should be a 32bits limited address space */
3750	WREG32(R_000148_MC_FB_LOCATION,
3751		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3752		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3753	r100_mc_resume(rdev, &save);
3754}
3755
3756void r100_clock_startup(struct radeon_device *rdev)
3757{
3758	u32 tmp;
3759
3760	if (radeon_dynclks != -1 && radeon_dynclks)
3761		radeon_legacy_set_clock_gating(rdev, 1);
3762	/* We need to force on some of the block */
3763	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3764	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3765	if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3766		tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3767	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3768}
3769
3770static int r100_startup(struct radeon_device *rdev)
3771{
3772	int r;
3773
3774	/* set common regs */
3775	r100_set_common_regs(rdev);
3776	/* program mc */
3777	r100_mc_program(rdev);
3778	/* Resume clock */
3779	r100_clock_startup(rdev);
3780	/* Initialize GART (initialize after TTM so we can allocate
3781	 * memory through TTM but finalize after TTM) */
3782	r100_enable_bm(rdev);
3783	if (rdev->flags & RADEON_IS_PCI) {
3784		r = r100_pci_gart_enable(rdev);
3785		if (r)
3786			return r;
3787	}
3788
3789	/* allocate wb buffer */
3790	r = radeon_wb_init(rdev);
3791	if (r)
3792		return r;
3793
 
 
 
 
 
 
3794	/* Enable IRQ */
 
 
 
 
 
 
3795	r100_irq_set(rdev);
3796	rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3797	/* 1M ring buffer */
3798	r = r100_cp_init(rdev, 1024 * 1024);
3799	if (r) {
3800		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3801		return r;
3802	}
3803	r = r100_ib_init(rdev);
 
3804	if (r) {
3805		dev_err(rdev->dev, "failed initializing IB (%d).\n", r);
3806		return r;
3807	}
 
3808	return 0;
3809}
3810
3811int r100_resume(struct radeon_device *rdev)
3812{
 
 
3813	/* Make sur GART are not working */
3814	if (rdev->flags & RADEON_IS_PCI)
3815		r100_pci_gart_disable(rdev);
3816	/* Resume clock before doing reset */
3817	r100_clock_startup(rdev);
3818	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
3819	if (radeon_asic_reset(rdev)) {
3820		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3821			RREG32(R_000E40_RBBM_STATUS),
3822			RREG32(R_0007C0_CP_STAT));
3823	}
3824	/* post */
3825	radeon_combios_asic_init(rdev->ddev);
3826	/* Resume clock after posting */
3827	r100_clock_startup(rdev);
3828	/* Initialize surface registers */
3829	radeon_surface_init(rdev);
3830	return r100_startup(rdev);
 
 
 
 
 
 
3831}
3832
3833int r100_suspend(struct radeon_device *rdev)
3834{
 
3835	r100_cp_disable(rdev);
3836	radeon_wb_disable(rdev);
3837	r100_irq_disable(rdev);
3838	if (rdev->flags & RADEON_IS_PCI)
3839		r100_pci_gart_disable(rdev);
3840	return 0;
3841}
3842
3843void r100_fini(struct radeon_device *rdev)
3844{
 
3845	r100_cp_fini(rdev);
3846	radeon_wb_fini(rdev);
3847	r100_ib_fini(rdev);
3848	radeon_gem_fini(rdev);
3849	if (rdev->flags & RADEON_IS_PCI)
3850		r100_pci_gart_fini(rdev);
3851	radeon_agp_fini(rdev);
3852	radeon_irq_kms_fini(rdev);
3853	radeon_fence_driver_fini(rdev);
3854	radeon_bo_fini(rdev);
3855	radeon_atombios_fini(rdev);
3856	kfree(rdev->bios);
3857	rdev->bios = NULL;
3858}
3859
3860/*
3861 * Due to how kexec works, it can leave the hw fully initialised when it
3862 * boots the new kernel. However doing our init sequence with the CP and
3863 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3864 * do some quick sanity checks and restore sane values to avoid this
3865 * problem.
3866 */
3867void r100_restore_sanity(struct radeon_device *rdev)
3868{
3869	u32 tmp;
3870
3871	tmp = RREG32(RADEON_CP_CSQ_CNTL);
3872	if (tmp) {
3873		WREG32(RADEON_CP_CSQ_CNTL, 0);
3874	}
3875	tmp = RREG32(RADEON_CP_RB_CNTL);
3876	if (tmp) {
3877		WREG32(RADEON_CP_RB_CNTL, 0);
3878	}
3879	tmp = RREG32(RADEON_SCRATCH_UMSK);
3880	if (tmp) {
3881		WREG32(RADEON_SCRATCH_UMSK, 0);
3882	}
3883}
3884
3885int r100_init(struct radeon_device *rdev)
3886{
3887	int r;
3888
3889	/* Register debugfs file specific to this group of asics */
3890	r100_debugfs(rdev);
3891	/* Disable VGA */
3892	r100_vga_render_disable(rdev);
3893	/* Initialize scratch registers */
3894	radeon_scratch_init(rdev);
3895	/* Initialize surface registers */
3896	radeon_surface_init(rdev);
3897	/* sanity check some register to avoid hangs like after kexec */
3898	r100_restore_sanity(rdev);
3899	/* TODO: disable VGA need to use VGA request */
3900	/* BIOS*/
3901	if (!radeon_get_bios(rdev)) {
3902		if (ASIC_IS_AVIVO(rdev))
3903			return -EINVAL;
3904	}
3905	if (rdev->is_atom_bios) {
3906		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
3907		return -EINVAL;
3908	} else {
3909		r = radeon_combios_init(rdev);
3910		if (r)
3911			return r;
3912	}
3913	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
3914	if (radeon_asic_reset(rdev)) {
3915		dev_warn(rdev->dev,
3916			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3917			RREG32(R_000E40_RBBM_STATUS),
3918			RREG32(R_0007C0_CP_STAT));
3919	}
3920	/* check if cards are posted or not */
3921	if (radeon_boot_test_post_card(rdev) == false)
3922		return -EINVAL;
3923	/* Set asic errata */
3924	r100_errata(rdev);
3925	/* Initialize clocks */
3926	radeon_get_clock_info(rdev->ddev);
3927	/* initialize AGP */
3928	if (rdev->flags & RADEON_IS_AGP) {
3929		r = radeon_agp_init(rdev);
3930		if (r) {
3931			radeon_agp_disable(rdev);
3932		}
3933	}
3934	/* initialize VRAM */
3935	r100_mc_init(rdev);
3936	/* Fence driver */
3937	r = radeon_fence_driver_init(rdev);
3938	if (r)
3939		return r;
3940	r = radeon_irq_kms_init(rdev);
3941	if (r)
3942		return r;
3943	/* Memory manager */
3944	r = radeon_bo_init(rdev);
3945	if (r)
3946		return r;
3947	if (rdev->flags & RADEON_IS_PCI) {
3948		r = r100_pci_gart_init(rdev);
3949		if (r)
3950			return r;
3951	}
3952	r100_set_safe_registers(rdev);
 
 
 
 
3953	rdev->accel_working = true;
3954	r = r100_startup(rdev);
3955	if (r) {
3956		/* Somethings want wront with the accel init stop accel */
3957		dev_err(rdev->dev, "Disabling GPU acceleration\n");
3958		r100_cp_fini(rdev);
3959		radeon_wb_fini(rdev);
3960		r100_ib_fini(rdev);
3961		radeon_irq_kms_fini(rdev);
3962		if (rdev->flags & RADEON_IS_PCI)
3963			r100_pci_gart_fini(rdev);
3964		rdev->accel_working = false;
3965	}
3966	return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3967}
v6.8
   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
  29#include <linux/firmware.h>
  30#include <linux/module.h>
  31#include <linux/pci.h>
  32#include <linux/seq_file.h>
  33#include <linux/slab.h>
  34
  35#include <drm/drm_device.h>
  36#include <drm/drm_file.h>
  37#include <drm/drm_fourcc.h>
  38#include <drm/drm_framebuffer.h>
  39#include <drm/drm_vblank.h>
  40#include <drm/radeon_drm.h>
  41
  42#include "atom.h"
  43#include "r100_reg_safe.h"
  44#include "r100d.h"
  45#include "radeon.h"
  46#include "radeon_asic.h"
  47#include "radeon_reg.h"
  48#include "rn50_reg_safe.h"
  49#include "rs100d.h"
  50#include "rv200d.h"
  51#include "rv250d.h"
 
 
 
 
 
 
 
  52
  53/* Firmware Names */
  54#define FIRMWARE_R100		"radeon/R100_cp.bin"
  55#define FIRMWARE_R200		"radeon/R200_cp.bin"
  56#define FIRMWARE_R300		"radeon/R300_cp.bin"
  57#define FIRMWARE_R420		"radeon/R420_cp.bin"
  58#define FIRMWARE_RS690		"radeon/RS690_cp.bin"
  59#define FIRMWARE_RS600		"radeon/RS600_cp.bin"
  60#define FIRMWARE_R520		"radeon/R520_cp.bin"
  61
  62MODULE_FIRMWARE(FIRMWARE_R100);
  63MODULE_FIRMWARE(FIRMWARE_R200);
  64MODULE_FIRMWARE(FIRMWARE_R300);
  65MODULE_FIRMWARE(FIRMWARE_R420);
  66MODULE_FIRMWARE(FIRMWARE_RS690);
  67MODULE_FIRMWARE(FIRMWARE_RS600);
  68MODULE_FIRMWARE(FIRMWARE_R520);
  69
  70#include "r100_track.h"
  71
  72/* This files gather functions specifics to:
  73 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  74 * and others in some cases.
  75 */
  76
  77static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
  78{
  79	if (crtc == 0) {
  80		if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
  81			return true;
  82		else
  83			return false;
  84	} else {
  85		if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
  86			return true;
  87		else
  88			return false;
  89	}
  90}
  91
  92static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
  93{
  94	u32 vline1, vline2;
  95
  96	if (crtc == 0) {
  97		vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  98		vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  99	} else {
 100		vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
 101		vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
 102	}
 103	if (vline1 != vline2)
 104		return true;
 105	else
 106		return false;
 107}
 108
 109/**
 110 * r100_wait_for_vblank - vblank wait asic callback.
 111 *
 112 * @rdev: radeon_device pointer
 113 * @crtc: crtc to wait for vblank on
 114 *
 115 * Wait for vblank on the requested crtc (r1xx-r4xx).
 116 */
 117void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
 118{
 119	unsigned i = 0;
 120
 121	if (crtc >= rdev->num_crtc)
 122		return;
 123
 124	if (crtc == 0) {
 125		if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
 126			return;
 127	} else {
 128		if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
 129			return;
 130	}
 131
 132	/* depending on when we hit vblank, we may be close to active; if so,
 133	 * wait for another frame.
 134	 */
 135	while (r100_is_in_vblank(rdev, crtc)) {
 136		if (i++ % 100 == 0) {
 137			if (!r100_is_counter_moving(rdev, crtc))
 138				break;
 139		}
 140	}
 141
 142	while (!r100_is_in_vblank(rdev, crtc)) {
 143		if (i++ % 100 == 0) {
 144			if (!r100_is_counter_moving(rdev, crtc))
 145				break;
 146		}
 147	}
 148}
 149
 150/**
 151 * r100_page_flip - pageflip callback.
 152 *
 153 * @rdev: radeon_device pointer
 154 * @crtc_id: crtc to cleanup pageflip on
 155 * @crtc_base: new address of the crtc (GPU MC address)
 156 * @async: asynchronous flip
 157 *
 158 * Does the actual pageflip (r1xx-r4xx).
 159 * During vblank we take the crtc lock and wait for the update_pending
 160 * bit to go high, when it does, we release the lock, and allow the
 161 * double buffered update to take place.
 162 */
 163void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
 164{
 165	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 166	uint32_t crtc_pitch, pitch_pixels;
 167	struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
 168	u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
 169	int i;
 170
 171	/* Lock the graphics update lock */
 172	/* update the scanout addresses */
 173	WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 174
 175	/* update pitch */
 176	pitch_pixels = fb->pitches[0] / fb->format->cpp[0];
 177	crtc_pitch = DIV_ROUND_UP(pitch_pixels * fb->format->cpp[0] * 8,
 178				  fb->format->cpp[0] * 8 * 8);
 179	crtc_pitch |= crtc_pitch << 16;
 180	WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
 181
 182	/* Wait for update_pending to go high. */
 183	for (i = 0; i < rdev->usec_timeout; i++) {
 184		if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
 185			break;
 186		udelay(1);
 187	}
 188	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 189
 190	/* Unlock the lock, so double-buffering can take place inside vblank */
 191	tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
 192	WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 193
 194}
 195
 196/**
 197 * r100_page_flip_pending - check if page flip is still pending
 198 *
 199 * @rdev: radeon_device pointer
 200 * @crtc_id: crtc to check
 201 *
 202 * Check if the last pagefilp is still pending (r1xx-r4xx).
 203 * Returns the current update pending status.
 204 */
 205bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id)
 206{
 207	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 208
 209	/* Return current update_pending status: */
 210	return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) &
 211		RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET);
 212}
 213
 214/**
 215 * r100_pm_get_dynpm_state - look up dynpm power state callback.
 216 *
 217 * @rdev: radeon_device pointer
 218 *
 219 * Look up the optimal power state based on the
 220 * current state of the GPU (r1xx-r5xx).
 221 * Used for dynpm only.
 222 */
 223void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 224{
 225	int i;
 226	rdev->pm.dynpm_can_upclock = true;
 227	rdev->pm.dynpm_can_downclock = true;
 228
 229	switch (rdev->pm.dynpm_planned_action) {
 230	case DYNPM_ACTION_MINIMUM:
 231		rdev->pm.requested_power_state_index = 0;
 232		rdev->pm.dynpm_can_downclock = false;
 233		break;
 234	case DYNPM_ACTION_DOWNCLOCK:
 235		if (rdev->pm.current_power_state_index == 0) {
 236			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 237			rdev->pm.dynpm_can_downclock = false;
 238		} else {
 239			if (rdev->pm.active_crtc_count > 1) {
 240				for (i = 0; i < rdev->pm.num_power_states; i++) {
 241					if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 242						continue;
 243					else if (i >= rdev->pm.current_power_state_index) {
 244						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 245						break;
 246					} else {
 247						rdev->pm.requested_power_state_index = i;
 248						break;
 249					}
 250				}
 251			} else
 252				rdev->pm.requested_power_state_index =
 253					rdev->pm.current_power_state_index - 1;
 254		}
 255		/* don't use the power state if crtcs are active and no display flag is set */
 256		if ((rdev->pm.active_crtc_count > 0) &&
 257		    (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
 258		     RADEON_PM_MODE_NO_DISPLAY)) {
 259			rdev->pm.requested_power_state_index++;
 260		}
 261		break;
 262	case DYNPM_ACTION_UPCLOCK:
 263		if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 264			rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 265			rdev->pm.dynpm_can_upclock = false;
 266		} else {
 267			if (rdev->pm.active_crtc_count > 1) {
 268				for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 269					if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 270						continue;
 271					else if (i <= rdev->pm.current_power_state_index) {
 272						rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 273						break;
 274					} else {
 275						rdev->pm.requested_power_state_index = i;
 276						break;
 277					}
 278				}
 279			} else
 280				rdev->pm.requested_power_state_index =
 281					rdev->pm.current_power_state_index + 1;
 282		}
 283		break;
 284	case DYNPM_ACTION_DEFAULT:
 285		rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 286		rdev->pm.dynpm_can_upclock = false;
 287		break;
 288	case DYNPM_ACTION_NONE:
 289	default:
 290		DRM_ERROR("Requested mode for not defined action\n");
 291		return;
 292	}
 293	/* only one clock mode per power state */
 294	rdev->pm.requested_clock_mode_index = 0;
 295
 296	DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 297		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 298		  clock_info[rdev->pm.requested_clock_mode_index].sclk,
 299		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 300		  clock_info[rdev->pm.requested_clock_mode_index].mclk,
 301		  rdev->pm.power_state[rdev->pm.requested_power_state_index].
 302		  pcie_lanes);
 303}
 304
 305/**
 306 * r100_pm_init_profile - Initialize power profiles callback.
 307 *
 308 * @rdev: radeon_device pointer
 309 *
 310 * Initialize the power states used in profile mode
 311 * (r1xx-r3xx).
 312 * Used for profile mode only.
 313 */
 314void r100_pm_init_profile(struct radeon_device *rdev)
 315{
 316	/* default */
 317	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 318	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 319	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 320	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 321	/* low sh */
 322	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 323	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 324	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 325	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 326	/* mid sh */
 327	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 328	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 329	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 330	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 331	/* high sh */
 332	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 333	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 334	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 335	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 336	/* low mh */
 337	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 338	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 339	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 340	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 341	/* mid mh */
 342	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 343	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 344	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 345	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 346	/* high mh */
 347	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 348	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 349	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 350	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 351}
 352
 353/**
 354 * r100_pm_misc - set additional pm hw parameters callback.
 355 *
 356 * @rdev: radeon_device pointer
 357 *
 358 * Set non-clock parameters associated with a power state
 359 * (voltage, pcie lanes, etc.) (r1xx-r4xx).
 360 */
 361void r100_pm_misc(struct radeon_device *rdev)
 362{
 363	int requested_index = rdev->pm.requested_power_state_index;
 364	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 365	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 366	u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
 367
 368	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 369		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 370			tmp = RREG32(voltage->gpio.reg);
 371			if (voltage->active_high)
 372				tmp |= voltage->gpio.mask;
 373			else
 374				tmp &= ~(voltage->gpio.mask);
 375			WREG32(voltage->gpio.reg, tmp);
 376			if (voltage->delay)
 377				udelay(voltage->delay);
 378		} else {
 379			tmp = RREG32(voltage->gpio.reg);
 380			if (voltage->active_high)
 381				tmp &= ~voltage->gpio.mask;
 382			else
 383				tmp |= voltage->gpio.mask;
 384			WREG32(voltage->gpio.reg, tmp);
 385			if (voltage->delay)
 386				udelay(voltage->delay);
 387		}
 388	}
 389
 390	sclk_cntl = RREG32_PLL(SCLK_CNTL);
 391	sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
 392	sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
 393	sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
 394	sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
 395	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 396		sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
 397		if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
 398			sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
 399		else
 400			sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
 401		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
 402			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
 403		else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
 404			sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
 405	} else
 406		sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
 407
 408	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 409		sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
 410		if (voltage->delay) {
 411			sclk_more_cntl |= VOLTAGE_DROP_SYNC;
 412			switch (voltage->delay) {
 413			case 33:
 414				sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
 415				break;
 416			case 66:
 417				sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
 418				break;
 419			case 99:
 420				sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
 421				break;
 422			case 132:
 423				sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
 424				break;
 425			}
 426		} else
 427			sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
 428	} else
 429		sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
 430
 431	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 432		sclk_cntl &= ~FORCE_HDP;
 433	else
 434		sclk_cntl |= FORCE_HDP;
 435
 436	WREG32_PLL(SCLK_CNTL, sclk_cntl);
 437	WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
 438	WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
 439
 440	/* set pcie lanes */
 441	if ((rdev->flags & RADEON_IS_PCIE) &&
 442	    !(rdev->flags & RADEON_IS_IGP) &&
 443	    rdev->asic->pm.set_pcie_lanes &&
 444	    (ps->pcie_lanes !=
 445	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 446		radeon_set_pcie_lanes(rdev,
 447				      ps->pcie_lanes);
 448		DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
 449	}
 450}
 451
 452/**
 453 * r100_pm_prepare - pre-power state change callback.
 454 *
 455 * @rdev: radeon_device pointer
 456 *
 457 * Prepare for a power state change (r1xx-r4xx).
 458 */
 459void r100_pm_prepare(struct radeon_device *rdev)
 460{
 461	struct drm_device *ddev = rdev->ddev;
 462	struct drm_crtc *crtc;
 463	struct radeon_crtc *radeon_crtc;
 464	u32 tmp;
 465
 466	/* disable any active CRTCs */
 467	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 468		radeon_crtc = to_radeon_crtc(crtc);
 469		if (radeon_crtc->enabled) {
 470			if (radeon_crtc->crtc_id) {
 471				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 472				tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
 473				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 474			} else {
 475				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 476				tmp |= RADEON_CRTC_DISP_REQ_EN_B;
 477				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 478			}
 479		}
 480	}
 481}
 482
 483/**
 484 * r100_pm_finish - post-power state change callback.
 485 *
 486 * @rdev: radeon_device pointer
 487 *
 488 * Clean up after a power state change (r1xx-r4xx).
 489 */
 490void r100_pm_finish(struct radeon_device *rdev)
 491{
 492	struct drm_device *ddev = rdev->ddev;
 493	struct drm_crtc *crtc;
 494	struct radeon_crtc *radeon_crtc;
 495	u32 tmp;
 496
 497	/* enable any active CRTCs */
 498	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 499		radeon_crtc = to_radeon_crtc(crtc);
 500		if (radeon_crtc->enabled) {
 501			if (radeon_crtc->crtc_id) {
 502				tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 503				tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
 504				WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 505			} else {
 506				tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 507				tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
 508				WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 509			}
 510		}
 511	}
 512}
 513
 514/**
 515 * r100_gui_idle - gui idle callback.
 516 *
 517 * @rdev: radeon_device pointer
 518 *
 519 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
 520 * Returns true if idle, false if not.
 521 */
 522bool r100_gui_idle(struct radeon_device *rdev)
 523{
 524	if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
 525		return false;
 526	else
 527		return true;
 528}
 529
 530/* hpd for digital panel detect/disconnect */
 531/**
 532 * r100_hpd_sense - hpd sense callback.
 533 *
 534 * @rdev: radeon_device pointer
 535 * @hpd: hpd (hotplug detect) pin
 536 *
 537 * Checks if a digital monitor is connected (r1xx-r4xx).
 538 * Returns true if connected, false if not connected.
 539 */
 540bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 541{
 542	bool connected = false;
 543
 544	switch (hpd) {
 545	case RADEON_HPD_1:
 546		if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
 547			connected = true;
 548		break;
 549	case RADEON_HPD_2:
 550		if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
 551			connected = true;
 552		break;
 553	default:
 554		break;
 555	}
 556	return connected;
 557}
 558
 559/**
 560 * r100_hpd_set_polarity - hpd set polarity callback.
 561 *
 562 * @rdev: radeon_device pointer
 563 * @hpd: hpd (hotplug detect) pin
 564 *
 565 * Set the polarity of the hpd pin (r1xx-r4xx).
 566 */
 567void r100_hpd_set_polarity(struct radeon_device *rdev,
 568			   enum radeon_hpd_id hpd)
 569{
 570	u32 tmp;
 571	bool connected = r100_hpd_sense(rdev, hpd);
 572
 573	switch (hpd) {
 574	case RADEON_HPD_1:
 575		tmp = RREG32(RADEON_FP_GEN_CNTL);
 576		if (connected)
 577			tmp &= ~RADEON_FP_DETECT_INT_POL;
 578		else
 579			tmp |= RADEON_FP_DETECT_INT_POL;
 580		WREG32(RADEON_FP_GEN_CNTL, tmp);
 581		break;
 582	case RADEON_HPD_2:
 583		tmp = RREG32(RADEON_FP2_GEN_CNTL);
 584		if (connected)
 585			tmp &= ~RADEON_FP2_DETECT_INT_POL;
 586		else
 587			tmp |= RADEON_FP2_DETECT_INT_POL;
 588		WREG32(RADEON_FP2_GEN_CNTL, tmp);
 589		break;
 590	default:
 591		break;
 592	}
 593}
 594
 595/**
 596 * r100_hpd_init - hpd setup callback.
 597 *
 598 * @rdev: radeon_device pointer
 599 *
 600 * Setup the hpd pins used by the card (r1xx-r4xx).
 601 * Set the polarity, and enable the hpd interrupts.
 602 */
 603void r100_hpd_init(struct radeon_device *rdev)
 604{
 605	struct drm_device *dev = rdev->ddev;
 606	struct drm_connector *connector;
 607	unsigned enable = 0;
 608
 609	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 610		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 611		if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 612			enable |= 1 << radeon_connector->hpd.hpd;
 613		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 
 
 
 
 
 
 
 614	}
 615	radeon_irq_kms_enable_hpd(rdev, enable);
 
 616}
 617
 618/**
 619 * r100_hpd_fini - hpd tear down callback.
 620 *
 621 * @rdev: radeon_device pointer
 622 *
 623 * Tear down the hpd pins used by the card (r1xx-r4xx).
 624 * Disable the hpd interrupts.
 625 */
 626void r100_hpd_fini(struct radeon_device *rdev)
 627{
 628	struct drm_device *dev = rdev->ddev;
 629	struct drm_connector *connector;
 630	unsigned disable = 0;
 631
 632	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 633		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 634		if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 635			disable |= 1 << radeon_connector->hpd.hpd;
 
 
 
 
 
 
 
 
 636	}
 637	radeon_irq_kms_disable_hpd(rdev, disable);
 638}
 639
 640/*
 641 * PCI GART
 642 */
 643void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 644{
 645	/* TODO: can we do somethings here ? */
 646	/* It seems hw only cache one entry so we should discard this
 647	 * entry otherwise if first GPU GART read hit this entry it
 648	 * could end up in wrong address. */
 649}
 650
 651int r100_pci_gart_init(struct radeon_device *rdev)
 652{
 653	int r;
 654
 655	if (rdev->gart.ptr) {
 656		WARN(1, "R100 PCI GART already initialized\n");
 657		return 0;
 658	}
 659	/* Initialize common gart structure */
 660	r = radeon_gart_init(rdev);
 661	if (r)
 662		return r;
 663	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 664	rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
 665	rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
 666	rdev->asic->gart.set_page = &r100_pci_gart_set_page;
 667	return radeon_gart_table_ram_alloc(rdev);
 668}
 669
 
 
 
 
 
 
 
 
 
 670int r100_pci_gart_enable(struct radeon_device *rdev)
 671{
 672	uint32_t tmp;
 673
 
 674	/* discard memory request outside of configured range */
 675	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 676	WREG32(RADEON_AIC_CNTL, tmp);
 677	/* set address range for PCI address translate */
 678	WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 679	WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 680	/* set PCI GART page-table base address */
 681	WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 682	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 683	WREG32(RADEON_AIC_CNTL, tmp);
 684	r100_pci_gart_tlb_flush(rdev);
 685	DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
 686		 (unsigned)(rdev->mc.gtt_size >> 20),
 687		 (unsigned long long)rdev->gart.table_addr);
 688	rdev->gart.ready = true;
 689	return 0;
 690}
 691
 692void r100_pci_gart_disable(struct radeon_device *rdev)
 693{
 694	uint32_t tmp;
 695
 696	/* discard memory request outside of configured range */
 697	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 698	WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 699	WREG32(RADEON_AIC_LO_ADDR, 0);
 700	WREG32(RADEON_AIC_HI_ADDR, 0);
 701}
 702
 703uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
 704{
 705	return addr;
 706}
 707
 708void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
 709			    uint64_t entry)
 710{
 711	u32 *gtt = rdev->gart.ptr;
 712	gtt[i] = cpu_to_le32(lower_32_bits(entry));
 713}
 714
 715void r100_pci_gart_fini(struct radeon_device *rdev)
 716{
 717	radeon_gart_fini(rdev);
 718	r100_pci_gart_disable(rdev);
 719	radeon_gart_table_ram_free(rdev);
 720}
 721
 722int r100_irq_set(struct radeon_device *rdev)
 723{
 724	uint32_t tmp = 0;
 725
 726	if (!rdev->irq.installed) {
 727		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 728		WREG32(R_000040_GEN_INT_CNTL, 0);
 729		return -EINVAL;
 730	}
 731	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 732		tmp |= RADEON_SW_INT_ENABLE;
 733	}
 
 
 
 734	if (rdev->irq.crtc_vblank_int[0] ||
 735	    atomic_read(&rdev->irq.pflip[0])) {
 736		tmp |= RADEON_CRTC_VBLANK_MASK;
 737	}
 738	if (rdev->irq.crtc_vblank_int[1] ||
 739	    atomic_read(&rdev->irq.pflip[1])) {
 740		tmp |= RADEON_CRTC2_VBLANK_MASK;
 741	}
 742	if (rdev->irq.hpd[0]) {
 743		tmp |= RADEON_FP_DETECT_MASK;
 744	}
 745	if (rdev->irq.hpd[1]) {
 746		tmp |= RADEON_FP2_DETECT_MASK;
 747	}
 748	WREG32(RADEON_GEN_INT_CNTL, tmp);
 749
 750	/* read back to post the write */
 751	RREG32(RADEON_GEN_INT_CNTL);
 752
 753	return 0;
 754}
 755
 756void r100_irq_disable(struct radeon_device *rdev)
 757{
 758	u32 tmp;
 759
 760	WREG32(R_000040_GEN_INT_CNTL, 0);
 761	/* Wait and acknowledge irq */
 762	mdelay(1);
 763	tmp = RREG32(R_000044_GEN_INT_STATUS);
 764	WREG32(R_000044_GEN_INT_STATUS, tmp);
 765}
 766
 767static uint32_t r100_irq_ack(struct radeon_device *rdev)
 768{
 769	uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 770	uint32_t irq_mask = RADEON_SW_INT_TEST |
 771		RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 772		RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 773
 
 
 
 
 
 
 774	if (irqs) {
 775		WREG32(RADEON_GEN_INT_STATUS, irqs);
 776	}
 777	return irqs & irq_mask;
 778}
 779
 780int r100_irq_process(struct radeon_device *rdev)
 781{
 782	uint32_t status, msi_rearm;
 783	bool queue_hotplug = false;
 784
 
 
 
 785	status = r100_irq_ack(rdev);
 786	if (!status) {
 787		return IRQ_NONE;
 788	}
 789	if (rdev->shutdown) {
 790		return IRQ_NONE;
 791	}
 792	while (status) {
 793		/* SW interrupt */
 794		if (status & RADEON_SW_INT_TEST) {
 795			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 
 
 
 
 
 
 796		}
 797		/* Vertical blank interrupts */
 798		if (status & RADEON_CRTC_VBLANK_STAT) {
 799			if (rdev->irq.crtc_vblank_int[0]) {
 800				drm_handle_vblank(rdev->ddev, 0);
 801				rdev->pm.vblank_sync = true;
 802				wake_up(&rdev->irq.vblank_queue);
 803			}
 804			if (atomic_read(&rdev->irq.pflip[0]))
 805				radeon_crtc_handle_vblank(rdev, 0);
 806		}
 807		if (status & RADEON_CRTC2_VBLANK_STAT) {
 808			if (rdev->irq.crtc_vblank_int[1]) {
 809				drm_handle_vblank(rdev->ddev, 1);
 810				rdev->pm.vblank_sync = true;
 811				wake_up(&rdev->irq.vblank_queue);
 812			}
 813			if (atomic_read(&rdev->irq.pflip[1]))
 814				radeon_crtc_handle_vblank(rdev, 1);
 815		}
 816		if (status & RADEON_FP_DETECT_STAT) {
 817			queue_hotplug = true;
 818			DRM_DEBUG("HPD1\n");
 819		}
 820		if (status & RADEON_FP2_DETECT_STAT) {
 821			queue_hotplug = true;
 822			DRM_DEBUG("HPD2\n");
 823		}
 824		status = r100_irq_ack(rdev);
 825	}
 
 
 826	if (queue_hotplug)
 827		schedule_delayed_work(&rdev->hotplug_work, 0);
 828	if (rdev->msi_enabled) {
 829		switch (rdev->family) {
 830		case CHIP_RS400:
 831		case CHIP_RS480:
 832			msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 833			WREG32(RADEON_AIC_CNTL, msi_rearm);
 834			WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 835			break;
 836		default:
 837			WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 
 
 838			break;
 839		}
 840	}
 841	return IRQ_HANDLED;
 842}
 843
 844u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 845{
 846	if (crtc == 0)
 847		return RREG32(RADEON_CRTC_CRNT_FRAME);
 848	else
 849		return RREG32(RADEON_CRTC2_CRNT_FRAME);
 850}
 851
 852/**
 853 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
 854 * @rdev: radeon device structure
 855 * @ring: ring buffer struct for emitting packets
 856 */
 857static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
 858{
 859	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 860	radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
 861				RADEON_HDP_READ_BUFFER_INVALIDATE);
 862	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 863	radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
 864}
 865
 866/* Who ever call radeon_fence_emit should call ring_lock and ask
 867 * for enough space (today caller are ib schedule and buffer move) */
 868void r100_fence_ring_emit(struct radeon_device *rdev,
 869			  struct radeon_fence *fence)
 870{
 871	struct radeon_ring *ring = &rdev->ring[fence->ring];
 872
 873	/* We have to make sure that caches are flushed before
 874	 * CPU might read something from VRAM. */
 875	radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 876	radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
 877	radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 878	radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
 879	/* Wait until IDLE & CLEAN */
 880	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 881	radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 882	r100_ring_hdp_flush(rdev, ring);
 
 
 
 
 883	/* Emit fence sequence & fire IRQ */
 884	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 885	radeon_ring_write(ring, fence->seq);
 886	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 887	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 888}
 889
 890bool r100_semaphore_ring_emit(struct radeon_device *rdev,
 891			      struct radeon_ring *ring,
 892			      struct radeon_semaphore *semaphore,
 893			      bool emit_wait)
 894{
 895	/* Unused on older asics, since we don't have semaphores or multiple rings */
 896	BUG();
 897	return false;
 898}
 899
 900struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
 901				    uint64_t src_offset,
 902				    uint64_t dst_offset,
 903				    unsigned num_gpu_pages,
 904				    struct dma_resv *resv)
 905{
 906	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 907	struct radeon_fence *fence;
 908	uint32_t cur_pages;
 909	uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
 910	uint32_t pitch;
 911	uint32_t stride_pixels;
 912	unsigned ndw;
 913	int num_loops;
 914	int r = 0;
 915
 916	/* radeon limited to 16k stride */
 917	stride_bytes &= 0x3fff;
 918	/* radeon pitch is /64 */
 919	pitch = stride_bytes / 64;
 920	stride_pixels = stride_bytes / 4;
 921	num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 922
 923	/* Ask for enough room for blit + flush + fence */
 924	ndw = 64 + (10 * num_loops);
 925	r = radeon_ring_lock(rdev, ring, ndw);
 926	if (r) {
 927		DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 928		return ERR_PTR(-EINVAL);
 929	}
 930	while (num_gpu_pages > 0) {
 931		cur_pages = num_gpu_pages;
 932		if (cur_pages > 8191) {
 933			cur_pages = 8191;
 934		}
 935		num_gpu_pages -= cur_pages;
 936
 937		/* pages are in Y direction - height
 938		   page width in X direction - width */
 939		radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
 940		radeon_ring_write(ring,
 941				  RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 942				  RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 943				  RADEON_GMC_SRC_CLIPPING |
 944				  RADEON_GMC_DST_CLIPPING |
 945				  RADEON_GMC_BRUSH_NONE |
 946				  (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 947				  RADEON_GMC_SRC_DATATYPE_COLOR |
 948				  RADEON_ROP3_S |
 949				  RADEON_DP_SRC_SOURCE_MEMORY |
 950				  RADEON_GMC_CLR_CMP_CNTL_DIS |
 951				  RADEON_GMC_WR_MSK_DIS);
 952		radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
 953		radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
 954		radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 955		radeon_ring_write(ring, 0);
 956		radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 957		radeon_ring_write(ring, num_gpu_pages);
 958		radeon_ring_write(ring, num_gpu_pages);
 959		radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
 960	}
 961	radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 962	radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
 963	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 964	radeon_ring_write(ring,
 965			  RADEON_WAIT_2D_IDLECLEAN |
 966			  RADEON_WAIT_HOST_IDLECLEAN |
 967			  RADEON_WAIT_DMA_GUI_IDLE);
 968	r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
 969	if (r) {
 970		radeon_ring_unlock_undo(rdev, ring);
 971		return ERR_PTR(r);
 972	}
 973	radeon_ring_unlock_commit(rdev, ring, false);
 974	return fence;
 975}
 976
 977static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 978{
 979	unsigned i;
 980	u32 tmp;
 981
 982	for (i = 0; i < rdev->usec_timeout; i++) {
 983		tmp = RREG32(R_000E40_RBBM_STATUS);
 984		if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 985			return 0;
 986		}
 987		udelay(1);
 988	}
 989	return -1;
 990}
 991
 992void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 993{
 994	int r;
 995
 996	r = radeon_ring_lock(rdev, ring, 2);
 997	if (r) {
 998		return;
 999	}
1000	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
1001	radeon_ring_write(ring,
1002			  RADEON_ISYNC_ANY2D_IDLE3D |
1003			  RADEON_ISYNC_ANY3D_IDLE2D |
1004			  RADEON_ISYNC_WAIT_IDLEGUI |
1005			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
1006	radeon_ring_unlock_commit(rdev, ring, false);
1007}
1008
1009
1010/* Load the microcode for the CP */
1011static int r100_cp_init_microcode(struct radeon_device *rdev)
1012{
 
1013	const char *fw_name = NULL;
1014	int err;
1015
1016	DRM_DEBUG_KMS("\n");
1017
 
 
 
 
 
 
1018	if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1019	    (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1020	    (rdev->family == CHIP_RS200)) {
1021		DRM_INFO("Loading R100 Microcode\n");
1022		fw_name = FIRMWARE_R100;
1023	} else if ((rdev->family == CHIP_R200) ||
1024		   (rdev->family == CHIP_RV250) ||
1025		   (rdev->family == CHIP_RV280) ||
1026		   (rdev->family == CHIP_RS300)) {
1027		DRM_INFO("Loading R200 Microcode\n");
1028		fw_name = FIRMWARE_R200;
1029	} else if ((rdev->family == CHIP_R300) ||
1030		   (rdev->family == CHIP_R350) ||
1031		   (rdev->family == CHIP_RV350) ||
1032		   (rdev->family == CHIP_RV380) ||
1033		   (rdev->family == CHIP_RS400) ||
1034		   (rdev->family == CHIP_RS480)) {
1035		DRM_INFO("Loading R300 Microcode\n");
1036		fw_name = FIRMWARE_R300;
1037	} else if ((rdev->family == CHIP_R420) ||
1038		   (rdev->family == CHIP_R423) ||
1039		   (rdev->family == CHIP_RV410)) {
1040		DRM_INFO("Loading R400 Microcode\n");
1041		fw_name = FIRMWARE_R420;
1042	} else if ((rdev->family == CHIP_RS690) ||
1043		   (rdev->family == CHIP_RS740)) {
1044		DRM_INFO("Loading RS690/RS740 Microcode\n");
1045		fw_name = FIRMWARE_RS690;
1046	} else if (rdev->family == CHIP_RS600) {
1047		DRM_INFO("Loading RS600 Microcode\n");
1048		fw_name = FIRMWARE_RS600;
1049	} else if ((rdev->family == CHIP_RV515) ||
1050		   (rdev->family == CHIP_R520) ||
1051		   (rdev->family == CHIP_RV530) ||
1052		   (rdev->family == CHIP_R580) ||
1053		   (rdev->family == CHIP_RV560) ||
1054		   (rdev->family == CHIP_RV570)) {
1055		DRM_INFO("Loading R500 Microcode\n");
1056		fw_name = FIRMWARE_R520;
1057	}
1058
1059	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 
1060	if (err) {
1061		pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name);
 
1062	} else if (rdev->me_fw->size % 8) {
1063		pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 
1064		       rdev->me_fw->size, fw_name);
1065		err = -EINVAL;
1066		release_firmware(rdev->me_fw);
1067		rdev->me_fw = NULL;
1068	}
1069	return err;
1070}
1071
1072u32 r100_gfx_get_rptr(struct radeon_device *rdev,
1073		      struct radeon_ring *ring)
1074{
1075	u32 rptr;
1076
1077	if (rdev->wb.enabled)
1078		rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
1079	else
1080		rptr = RREG32(RADEON_CP_RB_RPTR);
1081
1082	return rptr;
1083}
1084
1085u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1086		      struct radeon_ring *ring)
1087{
1088	return RREG32(RADEON_CP_RB_WPTR);
1089}
1090
1091void r100_gfx_set_wptr(struct radeon_device *rdev,
1092		       struct radeon_ring *ring)
1093{
1094	WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1095	(void)RREG32(RADEON_CP_RB_WPTR);
1096}
1097
1098static void r100_cp_load_microcode(struct radeon_device *rdev)
1099{
1100	const __be32 *fw_data;
1101	int i, size;
1102
1103	if (r100_gui_wait_for_idle(rdev)) {
1104		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
1105	}
1106
1107	if (rdev->me_fw) {
1108		size = rdev->me_fw->size / 4;
1109		fw_data = (const __be32 *)&rdev->me_fw->data[0];
1110		WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1111		for (i = 0; i < size; i += 2) {
1112			WREG32(RADEON_CP_ME_RAM_DATAH,
1113			       be32_to_cpup(&fw_data[i]));
1114			WREG32(RADEON_CP_ME_RAM_DATAL,
1115			       be32_to_cpup(&fw_data[i + 1]));
1116		}
1117	}
1118}
1119
1120int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1121{
1122	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1123	unsigned rb_bufsz;
1124	unsigned rb_blksz;
1125	unsigned max_fetch;
1126	unsigned pre_write_timer;
1127	unsigned pre_write_limit;
1128	unsigned indirect2_start;
1129	unsigned indirect1_start;
1130	uint32_t tmp;
1131	int r;
1132
1133	r100_debugfs_cp_init(rdev);
 
 
1134	if (!rdev->me_fw) {
1135		r = r100_cp_init_microcode(rdev);
1136		if (r) {
1137			DRM_ERROR("Failed to load firmware!\n");
1138			return r;
1139		}
1140	}
1141
1142	/* Align ring size */
1143	rb_bufsz = order_base_2(ring_size / 8);
1144	ring_size = (1 << (rb_bufsz + 1)) * 4;
1145	r100_cp_load_microcode(rdev);
1146	r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1147			     RADEON_CP_PACKET2);
1148	if (r) {
1149		return r;
1150	}
1151	/* Each time the cp read 1024 bytes (16 dword/quadword) update
1152	 * the rptr copy in system ram */
1153	rb_blksz = 9;
1154	/* cp will read 128bytes at a time (4 dwords) */
1155	max_fetch = 1;
1156	ring->align_mask = 16 - 1;
1157	/* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1158	pre_write_timer = 64;
1159	/* Force CP_RB_WPTR write if written more than one time before the
1160	 * delay expire
1161	 */
1162	pre_write_limit = 0;
1163	/* Setup the cp cache like this (cache size is 96 dwords) :
1164	 *	RING		0  to 15
1165	 *	INDIRECT1	16 to 79
1166	 *	INDIRECT2	80 to 95
1167	 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1168	 *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1169	 *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1170	 * Idea being that most of the gpu cmd will be through indirect1 buffer
1171	 * so it gets the bigger cache.
1172	 */
1173	indirect2_start = 80;
1174	indirect1_start = 16;
1175	/* cp setup */
1176	WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1177	tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1178	       REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1179	       REG_SET(RADEON_MAX_FETCH, max_fetch));
1180#ifdef __BIG_ENDIAN
1181	tmp |= RADEON_BUF_SWAP_32BIT;
1182#endif
1183	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1184
1185	/* Set ring address */
1186	DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1187	WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1188	/* Force read & write ptr to 0 */
1189	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1190	WREG32(RADEON_CP_RB_RPTR_WR, 0);
1191	ring->wptr = 0;
1192	WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1193
1194	/* set the wb address whether it's enabled or not */
1195	WREG32(R_00070C_CP_RB_RPTR_ADDR,
1196		S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1197	WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1198
1199	if (rdev->wb.enabled)
1200		WREG32(R_000770_SCRATCH_UMSK, 0xff);
1201	else {
1202		tmp |= RADEON_RB_NO_UPDATE;
1203		WREG32(R_000770_SCRATCH_UMSK, 0);
1204	}
1205
1206	WREG32(RADEON_CP_RB_CNTL, tmp);
1207	udelay(10);
 
1208	/* Set cp mode to bus mastering & enable cp*/
1209	WREG32(RADEON_CP_CSQ_MODE,
1210	       REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1211	       REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1212	WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1213	WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1214	WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1215
1216	/* at this point everything should be setup correctly to enable master */
1217	pci_set_master(rdev->pdev);
1218
1219	radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1220	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1221	if (r) {
1222		DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1223		return r;
1224	}
1225	ring->ready = true;
1226	radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1227
1228	if (!ring->rptr_save_reg /* not resuming from suspend */
1229	    && radeon_ring_supports_scratch_reg(rdev, ring)) {
1230		r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1231		if (r) {
1232			DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1233			ring->rptr_save_reg = 0;
1234		}
1235	}
1236	return 0;
1237}
1238
1239void r100_cp_fini(struct radeon_device *rdev)
1240{
1241	if (r100_cp_wait_for_idle(rdev)) {
1242		DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1243	}
1244	/* Disable ring */
1245	r100_cp_disable(rdev);
1246	radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1247	radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1248	DRM_INFO("radeon: cp finalized\n");
1249}
1250
1251void r100_cp_disable(struct radeon_device *rdev)
1252{
1253	/* Disable ring */
1254	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1255	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1256	WREG32(RADEON_CP_CSQ_MODE, 0);
1257	WREG32(RADEON_CP_CSQ_CNTL, 0);
1258	WREG32(R_000770_SCRATCH_UMSK, 0);
1259	if (r100_gui_wait_for_idle(rdev)) {
1260		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 
1261	}
1262}
1263
1264/*
1265 * CS functions
1266 */
1267int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1268			    struct radeon_cs_packet *pkt,
1269			    unsigned idx,
1270			    unsigned reg)
1271{
1272	int r;
1273	u32 tile_flags = 0;
1274	u32 tmp;
1275	struct radeon_bo_list *reloc;
1276	u32 value;
1277
1278	r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1279	if (r) {
1280		DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1281			  idx, reg);
1282		radeon_cs_dump_packet(p, pkt);
1283		return r;
1284	}
1285
1286	value = radeon_get_ib_value(p, idx);
1287	tmp = value & 0x003fffff;
1288	tmp += (((u32)reloc->gpu_offset) >> 10);
1289
1290	if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1291		if (reloc->tiling_flags & RADEON_TILING_MACRO)
1292			tile_flags |= RADEON_DST_TILE_MACRO;
1293		if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1294			if (reg == RADEON_SRC_PITCH_OFFSET) {
1295				DRM_ERROR("Cannot src blit from microtiled surface\n");
1296				radeon_cs_dump_packet(p, pkt);
1297				return -EINVAL;
1298			}
1299			tile_flags |= RADEON_DST_TILE_MICRO;
1300		}
1301
1302		tmp |= tile_flags;
1303		p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1304	} else
1305		p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1306	return 0;
1307}
1308
1309int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1310			     struct radeon_cs_packet *pkt,
1311			     int idx)
1312{
1313	unsigned c, i;
1314	struct radeon_bo_list *reloc;
1315	struct r100_cs_track *track;
1316	int r = 0;
1317	volatile uint32_t *ib;
1318	u32 idx_value;
1319
1320	ib = p->ib.ptr;
1321	track = (struct r100_cs_track *)p->track;
1322	c = radeon_get_ib_value(p, idx++) & 0x1F;
1323	if (c > 16) {
1324	    DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1325		      pkt->opcode);
1326	    radeon_cs_dump_packet(p, pkt);
1327	    return -EINVAL;
1328	}
1329	track->num_arrays = c;
1330	for (i = 0; i < (c - 1); i+=2, idx+=3) {
1331		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1332		if (r) {
1333			DRM_ERROR("No reloc for packet3 %d\n",
1334				  pkt->opcode);
1335			radeon_cs_dump_packet(p, pkt);
1336			return r;
1337		}
1338		idx_value = radeon_get_ib_value(p, idx);
1339		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1340
1341		track->arrays[i + 0].esize = idx_value >> 8;
1342		track->arrays[i + 0].robj = reloc->robj;
1343		track->arrays[i + 0].esize &= 0x7F;
1344		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1345		if (r) {
1346			DRM_ERROR("No reloc for packet3 %d\n",
1347				  pkt->opcode);
1348			radeon_cs_dump_packet(p, pkt);
1349			return r;
1350		}
1351		ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset);
1352		track->arrays[i + 1].robj = reloc->robj;
1353		track->arrays[i + 1].esize = idx_value >> 24;
1354		track->arrays[i + 1].esize &= 0x7F;
1355	}
1356	if (c & 1) {
1357		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1358		if (r) {
1359			DRM_ERROR("No reloc for packet3 %d\n",
1360					  pkt->opcode);
1361			radeon_cs_dump_packet(p, pkt);
1362			return r;
1363		}
1364		idx_value = radeon_get_ib_value(p, idx);
1365		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1366		track->arrays[i + 0].robj = reloc->robj;
1367		track->arrays[i + 0].esize = idx_value >> 8;
1368		track->arrays[i + 0].esize &= 0x7F;
1369	}
1370	return r;
1371}
1372
 
 
 
1373int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1374			  struct radeon_cs_packet *pkt,
1375			  const unsigned *auth, unsigned n,
1376			  radeon_packet0_check_t check)
1377{
1378	unsigned reg;
1379	unsigned i, j, m;
1380	unsigned idx;
1381	int r;
1382
1383	idx = pkt->idx + 1;
1384	reg = pkt->reg;
1385	/* Check that register fall into register range
1386	 * determined by the number of entry (n) in the
1387	 * safe register bitmap.
1388	 */
1389	if (pkt->one_reg_wr) {
1390		if ((reg >> 7) > n) {
1391			return -EINVAL;
1392		}
1393	} else {
1394		if (((reg + (pkt->count << 2)) >> 7) > n) {
1395			return -EINVAL;
1396		}
1397	}
1398	for (i = 0; i <= pkt->count; i++, idx++) {
1399		j = (reg >> 7);
1400		m = 1 << ((reg >> 2) & 31);
1401		if (auth[j] & m) {
1402			r = check(p, pkt, idx, reg);
1403			if (r) {
1404				return r;
1405			}
1406		}
1407		if (pkt->one_reg_wr) {
1408			if (!(auth[j] & m)) {
1409				break;
1410			}
1411		} else {
1412			reg += 4;
1413		}
1414	}
1415	return 0;
1416}
1417
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1418/**
1419 * r100_cs_packet_parse_vline() - parse userspace VLINE packet
1420 * @p:		parser structure holding parsing context.
1421 *
1422 * Userspace sends a special sequence for VLINE waits.
1423 * PACKET0 - VLINE_START_END + value
1424 * PACKET0 - WAIT_UNTIL +_value
1425 * RELOC (P3) - crtc_id in reloc.
1426 *
1427 * This function parses this and relocates the VLINE START END
1428 * and WAIT UNTIL packets to the correct crtc.
1429 * It also detects a switched off crtc and nulls out the
1430 * wait in that case.
1431 */
1432int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1433{
 
1434	struct drm_crtc *crtc;
1435	struct radeon_crtc *radeon_crtc;
1436	struct radeon_cs_packet p3reloc, waitreloc;
1437	int crtc_id;
1438	int r;
1439	uint32_t header, h_idx, reg;
1440	volatile uint32_t *ib;
1441
1442	ib = p->ib.ptr;
1443
1444	/* parse the wait until */
1445	r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
1446	if (r)
1447		return r;
1448
1449	/* check its a wait until and only 1 count */
1450	if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1451	    waitreloc.count != 0) {
1452		DRM_ERROR("vline wait had illegal wait until segment\n");
1453		return -EINVAL;
1454	}
1455
1456	if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1457		DRM_ERROR("vline wait had illegal wait until\n");
1458		return -EINVAL;
1459	}
1460
1461	/* jump over the NOP */
1462	r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1463	if (r)
1464		return r;
1465
1466	h_idx = p->idx - 2;
1467	p->idx += waitreloc.count + 2;
1468	p->idx += p3reloc.count + 2;
1469
1470	header = radeon_get_ib_value(p, h_idx);
1471	crtc_id = radeon_get_ib_value(p, h_idx + 5);
1472	reg = R100_CP_PACKET0_GET_REG(header);
1473	crtc = drm_crtc_find(p->rdev->ddev, p->filp, crtc_id);
1474	if (!crtc) {
1475		DRM_ERROR("cannot find crtc %d\n", crtc_id);
1476		return -ENOENT;
1477	}
 
1478	radeon_crtc = to_radeon_crtc(crtc);
1479	crtc_id = radeon_crtc->crtc_id;
1480
1481	if (!crtc->enabled) {
1482		/* if the CRTC isn't enabled - we need to nop out the wait until */
1483		ib[h_idx + 2] = PACKET2(0);
1484		ib[h_idx + 3] = PACKET2(0);
1485	} else if (crtc_id == 1) {
1486		switch (reg) {
1487		case AVIVO_D1MODE_VLINE_START_END:
1488			header &= ~R300_CP_PACKET0_REG_MASK;
1489			header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1490			break;
1491		case RADEON_CRTC_GUI_TRIG_VLINE:
1492			header &= ~R300_CP_PACKET0_REG_MASK;
1493			header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1494			break;
1495		default:
1496			DRM_ERROR("unknown crtc reloc\n");
1497			return -EINVAL;
1498		}
1499		ib[h_idx] = header;
1500		ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1501	}
1502
1503	return 0;
1504}
1505
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1506static int r100_get_vtx_size(uint32_t vtx_fmt)
1507{
1508	int vtx_size;
1509	vtx_size = 2;
1510	/* ordered according to bits in spec */
1511	if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1512		vtx_size++;
1513	if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1514		vtx_size += 3;
1515	if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1516		vtx_size++;
1517	if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1518		vtx_size++;
1519	if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1520		vtx_size += 3;
1521	if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1522		vtx_size++;
1523	if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1524		vtx_size++;
1525	if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1526		vtx_size += 2;
1527	if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1528		vtx_size += 2;
1529	if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1530		vtx_size++;
1531	if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1532		vtx_size += 2;
1533	if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1534		vtx_size++;
1535	if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1536		vtx_size += 2;
1537	if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1538		vtx_size++;
1539	if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1540		vtx_size++;
1541	/* blend weight */
1542	if (vtx_fmt & (0x7 << 15))
1543		vtx_size += (vtx_fmt >> 15) & 0x7;
1544	if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1545		vtx_size += 3;
1546	if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1547		vtx_size += 2;
1548	if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1549		vtx_size++;
1550	if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1551		vtx_size++;
1552	if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1553		vtx_size++;
1554	if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1555		vtx_size++;
1556	return vtx_size;
1557}
1558
1559static int r100_packet0_check(struct radeon_cs_parser *p,
1560			      struct radeon_cs_packet *pkt,
1561			      unsigned idx, unsigned reg)
1562{
1563	struct radeon_bo_list *reloc;
1564	struct r100_cs_track *track;
1565	volatile uint32_t *ib;
1566	uint32_t tmp;
1567	int r;
1568	int i, face;
1569	u32 tile_flags = 0;
1570	u32 idx_value;
1571
1572	ib = p->ib.ptr;
1573	track = (struct r100_cs_track *)p->track;
1574
1575	idx_value = radeon_get_ib_value(p, idx);
1576
1577	switch (reg) {
1578	case RADEON_CRTC_GUI_TRIG_VLINE:
1579		r = r100_cs_packet_parse_vline(p);
1580		if (r) {
1581			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1582				  idx, reg);
1583			radeon_cs_dump_packet(p, pkt);
1584			return r;
1585		}
1586		break;
1587		/* FIXME: only allow PACKET3 blit? easier to check for out of
1588		 * range access */
1589	case RADEON_DST_PITCH_OFFSET:
1590	case RADEON_SRC_PITCH_OFFSET:
1591		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1592		if (r)
1593			return r;
1594		break;
1595	case RADEON_RB3D_DEPTHOFFSET:
1596		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1597		if (r) {
1598			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1599				  idx, reg);
1600			radeon_cs_dump_packet(p, pkt);
1601			return r;
1602		}
1603		track->zb.robj = reloc->robj;
1604		track->zb.offset = idx_value;
1605		track->zb_dirty = true;
1606		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1607		break;
1608	case RADEON_RB3D_COLOROFFSET:
1609		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1610		if (r) {
1611			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1612				  idx, reg);
1613			radeon_cs_dump_packet(p, pkt);
1614			return r;
1615		}
1616		track->cb[0].robj = reloc->robj;
1617		track->cb[0].offset = idx_value;
1618		track->cb_dirty = true;
1619		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1620		break;
1621	case RADEON_PP_TXOFFSET_0:
1622	case RADEON_PP_TXOFFSET_1:
1623	case RADEON_PP_TXOFFSET_2:
1624		i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1625		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1626		if (r) {
1627			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1628				  idx, reg);
1629			radeon_cs_dump_packet(p, pkt);
1630			return r;
1631		}
1632		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1633			if (reloc->tiling_flags & RADEON_TILING_MACRO)
1634				tile_flags |= RADEON_TXO_MACRO_TILE;
1635			if (reloc->tiling_flags & RADEON_TILING_MICRO)
1636				tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1637
1638			tmp = idx_value & ~(0x7 << 2);
1639			tmp |= tile_flags;
1640			ib[idx] = tmp + ((u32)reloc->gpu_offset);
1641		} else
1642			ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1643		track->textures[i].robj = reloc->robj;
1644		track->tex_dirty = true;
1645		break;
1646	case RADEON_PP_CUBIC_OFFSET_T0_0:
1647	case RADEON_PP_CUBIC_OFFSET_T0_1:
1648	case RADEON_PP_CUBIC_OFFSET_T0_2:
1649	case RADEON_PP_CUBIC_OFFSET_T0_3:
1650	case RADEON_PP_CUBIC_OFFSET_T0_4:
1651		i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1652		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1653		if (r) {
1654			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1655				  idx, reg);
1656			radeon_cs_dump_packet(p, pkt);
1657			return r;
1658		}
1659		track->textures[0].cube_info[i].offset = idx_value;
1660		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1661		track->textures[0].cube_info[i].robj = reloc->robj;
1662		track->tex_dirty = true;
1663		break;
1664	case RADEON_PP_CUBIC_OFFSET_T1_0:
1665	case RADEON_PP_CUBIC_OFFSET_T1_1:
1666	case RADEON_PP_CUBIC_OFFSET_T1_2:
1667	case RADEON_PP_CUBIC_OFFSET_T1_3:
1668	case RADEON_PP_CUBIC_OFFSET_T1_4:
1669		i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1670		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1671		if (r) {
1672			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1673				  idx, reg);
1674			radeon_cs_dump_packet(p, pkt);
1675			return r;
1676		}
1677		track->textures[1].cube_info[i].offset = idx_value;
1678		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1679		track->textures[1].cube_info[i].robj = reloc->robj;
1680		track->tex_dirty = true;
1681		break;
1682	case RADEON_PP_CUBIC_OFFSET_T2_0:
1683	case RADEON_PP_CUBIC_OFFSET_T2_1:
1684	case RADEON_PP_CUBIC_OFFSET_T2_2:
1685	case RADEON_PP_CUBIC_OFFSET_T2_3:
1686	case RADEON_PP_CUBIC_OFFSET_T2_4:
1687		i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1688		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1689		if (r) {
1690			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1691				  idx, reg);
1692			radeon_cs_dump_packet(p, pkt);
1693			return r;
1694		}
1695		track->textures[2].cube_info[i].offset = idx_value;
1696		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1697		track->textures[2].cube_info[i].robj = reloc->robj;
1698		track->tex_dirty = true;
1699		break;
1700	case RADEON_RE_WIDTH_HEIGHT:
1701		track->maxy = ((idx_value >> 16) & 0x7FF);
1702		track->cb_dirty = true;
1703		track->zb_dirty = true;
1704		break;
1705	case RADEON_RB3D_COLORPITCH:
1706		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1707		if (r) {
1708			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1709				  idx, reg);
1710			radeon_cs_dump_packet(p, pkt);
1711			return r;
1712		}
1713		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1714			if (reloc->tiling_flags & RADEON_TILING_MACRO)
1715				tile_flags |= RADEON_COLOR_TILE_ENABLE;
1716			if (reloc->tiling_flags & RADEON_TILING_MICRO)
1717				tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1718
1719			tmp = idx_value & ~(0x7 << 16);
1720			tmp |= tile_flags;
1721			ib[idx] = tmp;
1722		} else
1723			ib[idx] = idx_value;
1724
1725		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1726		track->cb_dirty = true;
1727		break;
1728	case RADEON_RB3D_DEPTHPITCH:
1729		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1730		track->zb_dirty = true;
1731		break;
1732	case RADEON_RB3D_CNTL:
1733		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1734		case 7:
1735		case 8:
1736		case 9:
1737		case 11:
1738		case 12:
1739			track->cb[0].cpp = 1;
1740			break;
1741		case 3:
1742		case 4:
1743		case 15:
1744			track->cb[0].cpp = 2;
1745			break;
1746		case 6:
1747			track->cb[0].cpp = 4;
1748			break;
1749		default:
1750			DRM_ERROR("Invalid color buffer format (%d) !\n",
1751				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1752			return -EINVAL;
1753		}
1754		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1755		track->cb_dirty = true;
1756		track->zb_dirty = true;
1757		break;
1758	case RADEON_RB3D_ZSTENCILCNTL:
1759		switch (idx_value & 0xf) {
1760		case 0:
1761			track->zb.cpp = 2;
1762			break;
1763		case 2:
1764		case 3:
1765		case 4:
1766		case 5:
1767		case 9:
1768		case 11:
1769			track->zb.cpp = 4;
1770			break;
1771		default:
1772			break;
1773		}
1774		track->zb_dirty = true;
1775		break;
1776	case RADEON_RB3D_ZPASS_ADDR:
1777		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1778		if (r) {
1779			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1780				  idx, reg);
1781			radeon_cs_dump_packet(p, pkt);
1782			return r;
1783		}
1784		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1785		break;
1786	case RADEON_PP_CNTL:
1787		{
1788			uint32_t temp = idx_value >> 4;
1789			for (i = 0; i < track->num_texture; i++)
1790				track->textures[i].enabled = !!(temp & (1 << i));
1791			track->tex_dirty = true;
1792		}
1793		break;
1794	case RADEON_SE_VF_CNTL:
1795		track->vap_vf_cntl = idx_value;
1796		break;
1797	case RADEON_SE_VTX_FMT:
1798		track->vtx_size = r100_get_vtx_size(idx_value);
1799		break;
1800	case RADEON_PP_TEX_SIZE_0:
1801	case RADEON_PP_TEX_SIZE_1:
1802	case RADEON_PP_TEX_SIZE_2:
1803		i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1804		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1805		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1806		track->tex_dirty = true;
1807		break;
1808	case RADEON_PP_TEX_PITCH_0:
1809	case RADEON_PP_TEX_PITCH_1:
1810	case RADEON_PP_TEX_PITCH_2:
1811		i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1812		track->textures[i].pitch = idx_value + 32;
1813		track->tex_dirty = true;
1814		break;
1815	case RADEON_PP_TXFILTER_0:
1816	case RADEON_PP_TXFILTER_1:
1817	case RADEON_PP_TXFILTER_2:
1818		i = (reg - RADEON_PP_TXFILTER_0) / 24;
1819		track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1820						 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1821		tmp = (idx_value >> 23) & 0x7;
1822		if (tmp == 2 || tmp == 6)
1823			track->textures[i].roundup_w = false;
1824		tmp = (idx_value >> 27) & 0x7;
1825		if (tmp == 2 || tmp == 6)
1826			track->textures[i].roundup_h = false;
1827		track->tex_dirty = true;
1828		break;
1829	case RADEON_PP_TXFORMAT_0:
1830	case RADEON_PP_TXFORMAT_1:
1831	case RADEON_PP_TXFORMAT_2:
1832		i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1833		if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1834			track->textures[i].use_pitch = true;
1835		} else {
1836			track->textures[i].use_pitch = false;
1837			track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
1838			track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
1839		}
1840		if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1841			track->textures[i].tex_coord_type = 2;
1842		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1843		case RADEON_TXFORMAT_I8:
1844		case RADEON_TXFORMAT_RGB332:
1845		case RADEON_TXFORMAT_Y8:
1846			track->textures[i].cpp = 1;
1847			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1848			break;
1849		case RADEON_TXFORMAT_AI88:
1850		case RADEON_TXFORMAT_ARGB1555:
1851		case RADEON_TXFORMAT_RGB565:
1852		case RADEON_TXFORMAT_ARGB4444:
1853		case RADEON_TXFORMAT_VYUY422:
1854		case RADEON_TXFORMAT_YVYU422:
1855		case RADEON_TXFORMAT_SHADOW16:
1856		case RADEON_TXFORMAT_LDUDV655:
1857		case RADEON_TXFORMAT_DUDV88:
1858			track->textures[i].cpp = 2;
1859			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1860			break;
1861		case RADEON_TXFORMAT_ARGB8888:
1862		case RADEON_TXFORMAT_RGBA8888:
1863		case RADEON_TXFORMAT_SHADOW32:
1864		case RADEON_TXFORMAT_LDUDUV8888:
1865			track->textures[i].cpp = 4;
1866			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1867			break;
1868		case RADEON_TXFORMAT_DXT1:
1869			track->textures[i].cpp = 1;
1870			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1871			break;
1872		case RADEON_TXFORMAT_DXT23:
1873		case RADEON_TXFORMAT_DXT45:
1874			track->textures[i].cpp = 1;
1875			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1876			break;
1877		}
1878		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1879		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1880		track->tex_dirty = true;
1881		break;
1882	case RADEON_PP_CUBIC_FACES_0:
1883	case RADEON_PP_CUBIC_FACES_1:
1884	case RADEON_PP_CUBIC_FACES_2:
1885		tmp = idx_value;
1886		i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1887		for (face = 0; face < 4; face++) {
1888			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1889			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1890		}
1891		track->tex_dirty = true;
1892		break;
1893	default:
1894		pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
 
1895		return -EINVAL;
1896	}
1897	return 0;
1898}
1899
1900int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1901					 struct radeon_cs_packet *pkt,
1902					 struct radeon_bo *robj)
1903{
1904	unsigned idx;
1905	u32 value;
1906	idx = pkt->idx + 1;
1907	value = radeon_get_ib_value(p, idx + 2);
1908	if ((value + 1) > radeon_bo_size(robj)) {
1909		DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1910			  "(need %u have %lu) !\n",
1911			  value + 1,
1912			  radeon_bo_size(robj));
1913		return -EINVAL;
1914	}
1915	return 0;
1916}
1917
1918static int r100_packet3_check(struct radeon_cs_parser *p,
1919			      struct radeon_cs_packet *pkt)
1920{
1921	struct radeon_bo_list *reloc;
1922	struct r100_cs_track *track;
1923	unsigned idx;
1924	volatile uint32_t *ib;
1925	int r;
1926
1927	ib = p->ib.ptr;
1928	idx = pkt->idx + 1;
1929	track = (struct r100_cs_track *)p->track;
1930	switch (pkt->opcode) {
1931	case PACKET3_3D_LOAD_VBPNTR:
1932		r = r100_packet3_load_vbpntr(p, pkt, idx);
1933		if (r)
1934			return r;
1935		break;
1936	case PACKET3_INDX_BUFFER:
1937		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1938		if (r) {
1939			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1940			radeon_cs_dump_packet(p, pkt);
1941			return r;
1942		}
1943		ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1944		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1945		if (r) {
1946			return r;
1947		}
1948		break;
1949	case 0x23:
1950		/* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1951		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1952		if (r) {
1953			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1954			radeon_cs_dump_packet(p, pkt);
1955			return r;
1956		}
1957		ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1958		track->num_arrays = 1;
1959		track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1960
1961		track->arrays[0].robj = reloc->robj;
1962		track->arrays[0].esize = track->vtx_size;
1963
1964		track->max_indx = radeon_get_ib_value(p, idx+1);
1965
1966		track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1967		track->immd_dwords = pkt->count - 1;
1968		r = r100_cs_track_check(p->rdev, track);
1969		if (r)
1970			return r;
1971		break;
1972	case PACKET3_3D_DRAW_IMMD:
1973		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1974			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1975			return -EINVAL;
1976		}
1977		track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1978		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1979		track->immd_dwords = pkt->count - 1;
1980		r = r100_cs_track_check(p->rdev, track);
1981		if (r)
1982			return r;
1983		break;
1984		/* triggers drawing using in-packet vertex data */
1985	case PACKET3_3D_DRAW_IMMD_2:
1986		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1987			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1988			return -EINVAL;
1989		}
1990		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1991		track->immd_dwords = pkt->count;
1992		r = r100_cs_track_check(p->rdev, track);
1993		if (r)
1994			return r;
1995		break;
1996		/* triggers drawing using in-packet vertex data */
1997	case PACKET3_3D_DRAW_VBUF_2:
1998		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1999		r = r100_cs_track_check(p->rdev, track);
2000		if (r)
2001			return r;
2002		break;
2003		/* triggers drawing of vertex buffers setup elsewhere */
2004	case PACKET3_3D_DRAW_INDX_2:
2005		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
2006		r = r100_cs_track_check(p->rdev, track);
2007		if (r)
2008			return r;
2009		break;
2010		/* triggers drawing using indices to vertex buffer */
2011	case PACKET3_3D_DRAW_VBUF:
2012		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2013		r = r100_cs_track_check(p->rdev, track);
2014		if (r)
2015			return r;
2016		break;
2017		/* triggers drawing of vertex buffers setup elsewhere */
2018	case PACKET3_3D_DRAW_INDX:
2019		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2020		r = r100_cs_track_check(p->rdev, track);
2021		if (r)
2022			return r;
2023		break;
2024		/* triggers drawing using indices to vertex buffer */
2025	case PACKET3_3D_CLEAR_HIZ:
2026	case PACKET3_3D_CLEAR_ZMASK:
2027		if (p->rdev->hyperz_filp != p->filp)
2028			return -EINVAL;
2029		break;
2030	case PACKET3_NOP:
2031		break;
2032	default:
2033		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2034		return -EINVAL;
2035	}
2036	return 0;
2037}
2038
2039int r100_cs_parse(struct radeon_cs_parser *p)
2040{
2041	struct radeon_cs_packet pkt;
2042	struct r100_cs_track *track;
2043	int r;
2044
2045	track = kzalloc(sizeof(*track), GFP_KERNEL);
2046	if (!track)
2047		return -ENOMEM;
2048	r100_cs_track_clear(p->rdev, track);
2049	p->track = track;
2050	do {
2051		r = radeon_cs_packet_parse(p, &pkt, p->idx);
2052		if (r) {
2053			return r;
2054		}
2055		p->idx += pkt.count + 2;
2056		switch (pkt.type) {
2057		case RADEON_PACKET_TYPE0:
2058			if (p->rdev->family >= CHIP_R200)
2059				r = r100_cs_parse_packet0(p, &pkt,
2060					p->rdev->config.r100.reg_safe_bm,
2061					p->rdev->config.r100.reg_safe_bm_size,
2062					&r200_packet0_check);
2063			else
2064				r = r100_cs_parse_packet0(p, &pkt,
2065					p->rdev->config.r100.reg_safe_bm,
2066					p->rdev->config.r100.reg_safe_bm_size,
2067					&r100_packet0_check);
2068			break;
2069		case RADEON_PACKET_TYPE2:
2070			break;
2071		case RADEON_PACKET_TYPE3:
2072			r = r100_packet3_check(p, &pkt);
2073			break;
2074		default:
2075			DRM_ERROR("Unknown packet type %d !\n",
2076				  pkt.type);
2077			return -EINVAL;
2078		}
2079		if (r)
2080			return r;
2081	} while (p->idx < p->chunk_ib->length_dw);
 
2082	return 0;
2083}
2084
2085static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2086{
2087	DRM_ERROR("pitch                      %d\n", t->pitch);
2088	DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
2089	DRM_ERROR("width                      %d\n", t->width);
2090	DRM_ERROR("width_11                   %d\n", t->width_11);
2091	DRM_ERROR("height                     %d\n", t->height);
2092	DRM_ERROR("height_11                  %d\n", t->height_11);
2093	DRM_ERROR("num levels                 %d\n", t->num_levels);
2094	DRM_ERROR("depth                      %d\n", t->txdepth);
2095	DRM_ERROR("bpp                        %d\n", t->cpp);
2096	DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2097	DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2098	DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2099	DRM_ERROR("compress format            %d\n", t->compress_format);
2100}
2101
2102static int r100_track_compress_size(int compress_format, int w, int h)
2103{
2104	int block_width, block_height, block_bytes;
2105	int wblocks, hblocks;
2106	int min_wblocks;
2107	int sz;
2108
2109	block_width = 4;
2110	block_height = 4;
2111
2112	switch (compress_format) {
2113	case R100_TRACK_COMP_DXT1:
2114		block_bytes = 8;
2115		min_wblocks = 4;
2116		break;
2117	default:
2118	case R100_TRACK_COMP_DXT35:
2119		block_bytes = 16;
2120		min_wblocks = 2;
2121		break;
2122	}
2123
2124	hblocks = (h + block_height - 1) / block_height;
2125	wblocks = (w + block_width - 1) / block_width;
2126	if (wblocks < min_wblocks)
2127		wblocks = min_wblocks;
2128	sz = wblocks * hblocks * block_bytes;
2129	return sz;
2130}
2131
2132static int r100_cs_track_cube(struct radeon_device *rdev,
2133			      struct r100_cs_track *track, unsigned idx)
2134{
2135	unsigned face, w, h;
2136	struct radeon_bo *cube_robj;
2137	unsigned long size;
2138	unsigned compress_format = track->textures[idx].compress_format;
2139
2140	for (face = 0; face < 5; face++) {
2141		cube_robj = track->textures[idx].cube_info[face].robj;
2142		w = track->textures[idx].cube_info[face].width;
2143		h = track->textures[idx].cube_info[face].height;
2144
2145		if (compress_format) {
2146			size = r100_track_compress_size(compress_format, w, h);
2147		} else
2148			size = w * h;
2149		size *= track->textures[idx].cpp;
2150
2151		size += track->textures[idx].cube_info[face].offset;
2152
2153		if (size > radeon_bo_size(cube_robj)) {
2154			DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2155				  size, radeon_bo_size(cube_robj));
2156			r100_cs_track_texture_print(&track->textures[idx]);
2157			return -1;
2158		}
2159	}
2160	return 0;
2161}
2162
2163static int r100_cs_track_texture_check(struct radeon_device *rdev,
2164				       struct r100_cs_track *track)
2165{
2166	struct radeon_bo *robj;
2167	unsigned long size;
2168	unsigned u, i, w, h, d;
2169	int ret;
2170
2171	for (u = 0; u < track->num_texture; u++) {
2172		if (!track->textures[u].enabled)
2173			continue;
2174		if (track->textures[u].lookup_disable)
2175			continue;
2176		robj = track->textures[u].robj;
2177		if (robj == NULL) {
2178			DRM_ERROR("No texture bound to unit %u\n", u);
2179			return -EINVAL;
2180		}
2181		size = 0;
2182		for (i = 0; i <= track->textures[u].num_levels; i++) {
2183			if (track->textures[u].use_pitch) {
2184				if (rdev->family < CHIP_R300)
2185					w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2186				else
2187					w = track->textures[u].pitch / (1 << i);
2188			} else {
2189				w = track->textures[u].width;
2190				if (rdev->family >= CHIP_RV515)
2191					w |= track->textures[u].width_11;
2192				w = w / (1 << i);
2193				if (track->textures[u].roundup_w)
2194					w = roundup_pow_of_two(w);
2195			}
2196			h = track->textures[u].height;
2197			if (rdev->family >= CHIP_RV515)
2198				h |= track->textures[u].height_11;
2199			h = h / (1 << i);
2200			if (track->textures[u].roundup_h)
2201				h = roundup_pow_of_two(h);
2202			if (track->textures[u].tex_coord_type == 1) {
2203				d = (1 << track->textures[u].txdepth) / (1 << i);
2204				if (!d)
2205					d = 1;
2206			} else {
2207				d = 1;
2208			}
2209			if (track->textures[u].compress_format) {
2210
2211				size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2212				/* compressed textures are block based */
2213			} else
2214				size += w * h * d;
2215		}
2216		size *= track->textures[u].cpp;
2217
2218		switch (track->textures[u].tex_coord_type) {
2219		case 0:
2220		case 1:
2221			break;
2222		case 2:
2223			if (track->separate_cube) {
2224				ret = r100_cs_track_cube(rdev, track, u);
2225				if (ret)
2226					return ret;
2227			} else
2228				size *= 6;
2229			break;
2230		default:
2231			DRM_ERROR("Invalid texture coordinate type %u for unit "
2232				  "%u\n", track->textures[u].tex_coord_type, u);
2233			return -EINVAL;
2234		}
2235		if (size > radeon_bo_size(robj)) {
2236			DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2237				  "%lu\n", u, size, radeon_bo_size(robj));
2238			r100_cs_track_texture_print(&track->textures[u]);
2239			return -EINVAL;
2240		}
2241	}
2242	return 0;
2243}
2244
2245int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
 
2246{
2247	unsigned i;
2248	unsigned long size;
2249	unsigned prim_walk;
2250	unsigned nverts;
2251	unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2252
2253	if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2254	    !track->blend_read_enable)
2255		num_cb = 0;
2256
2257	for (i = 0; i < num_cb; i++) {
2258		if (track->cb[i].robj == NULL) {
2259			DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2260			return -EINVAL;
2261		}
2262		size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2263		size += track->cb[i].offset;
2264		if (size > radeon_bo_size(track->cb[i].robj)) {
2265			DRM_ERROR("[drm] Buffer too small for color buffer %d "
2266				  "(need %lu have %lu) !\n", i, size,
2267				  radeon_bo_size(track->cb[i].robj));
2268			DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2269				  i, track->cb[i].pitch, track->cb[i].cpp,
2270				  track->cb[i].offset, track->maxy);
2271			return -EINVAL;
2272		}
2273	}
2274	track->cb_dirty = false;
2275
2276	if (track->zb_dirty && track->z_enabled) {
2277		if (track->zb.robj == NULL) {
2278			DRM_ERROR("[drm] No buffer for z buffer !\n");
2279			return -EINVAL;
2280		}
2281		size = track->zb.pitch * track->zb.cpp * track->maxy;
2282		size += track->zb.offset;
2283		if (size > radeon_bo_size(track->zb.robj)) {
2284			DRM_ERROR("[drm] Buffer too small for z buffer "
2285				  "(need %lu have %lu) !\n", size,
2286				  radeon_bo_size(track->zb.robj));
2287			DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2288				  track->zb.pitch, track->zb.cpp,
2289				  track->zb.offset, track->maxy);
2290			return -EINVAL;
2291		}
 
2292	}
2293	track->zb_dirty = false;
2294
2295	if (track->aa_dirty && track->aaresolve) {
2296		if (track->aa.robj == NULL) {
2297			DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2298			return -EINVAL;
2299		}
2300		/* I believe the format comes from colorbuffer0. */
2301		size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2302		size += track->aa.offset;
2303		if (size > radeon_bo_size(track->aa.robj)) {
2304			DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2305				  "(need %lu have %lu) !\n", i, size,
2306				  radeon_bo_size(track->aa.robj));
2307			DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2308				  i, track->aa.pitch, track->cb[0].cpp,
2309				  track->aa.offset, track->maxy);
2310			return -EINVAL;
2311		}
2312	}
2313	track->aa_dirty = false;
2314
2315	prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2316	if (track->vap_vf_cntl & (1 << 14)) {
2317		nverts = track->vap_alt_nverts;
2318	} else {
2319		nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2320	}
2321	switch (prim_walk) {
2322	case 1:
2323		for (i = 0; i < track->num_arrays; i++) {
2324			size = track->arrays[i].esize * track->max_indx * 4UL;
2325			if (track->arrays[i].robj == NULL) {
2326				DRM_ERROR("(PW %u) Vertex array %u no buffer "
2327					  "bound\n", prim_walk, i);
2328				return -EINVAL;
2329			}
2330			if (size > radeon_bo_size(track->arrays[i].robj)) {
2331				dev_err(rdev->dev, "(PW %u) Vertex array %u "
2332					"need %lu dwords have %lu dwords\n",
2333					prim_walk, i, size >> 2,
2334					radeon_bo_size(track->arrays[i].robj)
2335					>> 2);
2336				DRM_ERROR("Max indices %u\n", track->max_indx);
2337				return -EINVAL;
2338			}
2339		}
2340		break;
2341	case 2:
2342		for (i = 0; i < track->num_arrays; i++) {
2343			size = track->arrays[i].esize * (nverts - 1) * 4UL;
2344			if (track->arrays[i].robj == NULL) {
2345				DRM_ERROR("(PW %u) Vertex array %u no buffer "
2346					  "bound\n", prim_walk, i);
2347				return -EINVAL;
2348			}
2349			if (size > radeon_bo_size(track->arrays[i].robj)) {
2350				dev_err(rdev->dev, "(PW %u) Vertex array %u "
2351					"need %lu dwords have %lu dwords\n",
2352					prim_walk, i, size >> 2,
2353					radeon_bo_size(track->arrays[i].robj)
2354					>> 2);
2355				return -EINVAL;
2356			}
2357		}
2358		break;
2359	case 3:
2360		size = track->vtx_size * nverts;
2361		if (size != track->immd_dwords) {
2362			DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2363				  track->immd_dwords, size);
2364			DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2365				  nverts, track->vtx_size);
2366			return -EINVAL;
2367		}
2368		break;
2369	default:
2370		DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2371			  prim_walk);
2372		return -EINVAL;
2373	}
2374
2375	if (track->tex_dirty) {
2376		track->tex_dirty = false;
2377		return r100_cs_track_texture_check(rdev, track);
2378	}
2379	return 0;
2380}
2381
2382void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
 
2383{
2384	unsigned i, face;
 
2385
2386	track->cb_dirty = true;
2387	track->zb_dirty = true;
2388	track->tex_dirty = true;
2389	track->aa_dirty = true;
2390
2391	if (rdev->family < CHIP_R300) {
2392		track->num_cb = 1;
2393		if (rdev->family <= CHIP_RS200)
2394			track->num_texture = 3;
2395		else
2396			track->num_texture = 6;
2397		track->maxy = 2048;
2398		track->separate_cube = true;
2399	} else {
2400		track->num_cb = 4;
2401		track->num_texture = 16;
2402		track->maxy = 4096;
2403		track->separate_cube = false;
2404		track->aaresolve = false;
2405		track->aa.robj = NULL;
2406	}
2407
2408	for (i = 0; i < track->num_cb; i++) {
2409		track->cb[i].robj = NULL;
2410		track->cb[i].pitch = 8192;
2411		track->cb[i].cpp = 16;
2412		track->cb[i].offset = 0;
2413	}
2414	track->z_enabled = true;
2415	track->zb.robj = NULL;
2416	track->zb.pitch = 8192;
2417	track->zb.cpp = 4;
2418	track->zb.offset = 0;
2419	track->vtx_size = 0x7F;
2420	track->immd_dwords = 0xFFFFFFFFUL;
2421	track->num_arrays = 11;
2422	track->max_indx = 0x00FFFFFFUL;
2423	for (i = 0; i < track->num_arrays; i++) {
2424		track->arrays[i].robj = NULL;
2425		track->arrays[i].esize = 0x7F;
2426	}
2427	for (i = 0; i < track->num_texture; i++) {
2428		track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2429		track->textures[i].pitch = 16536;
2430		track->textures[i].width = 16536;
2431		track->textures[i].height = 16536;
2432		track->textures[i].width_11 = 1 << 11;
2433		track->textures[i].height_11 = 1 << 11;
2434		track->textures[i].num_levels = 12;
2435		if (rdev->family <= CHIP_RS200) {
2436			track->textures[i].tex_coord_type = 0;
2437			track->textures[i].txdepth = 0;
2438		} else {
2439			track->textures[i].txdepth = 16;
2440			track->textures[i].tex_coord_type = 1;
2441		}
2442		track->textures[i].cpp = 64;
2443		track->textures[i].robj = NULL;
2444		/* CS IB emission code makes sure texture unit are disabled */
2445		track->textures[i].enabled = false;
2446		track->textures[i].lookup_disable = false;
2447		track->textures[i].roundup_w = true;
2448		track->textures[i].roundup_h = true;
2449		if (track->separate_cube)
2450			for (face = 0; face < 5; face++) {
2451				track->textures[i].cube_info[face].robj = NULL;
2452				track->textures[i].cube_info[face].width = 16536;
2453				track->textures[i].cube_info[face].height = 16536;
2454				track->textures[i].cube_info[face].offset = 0;
2455			}
2456	}
2457}
2458
2459/*
2460 * Global GPU functions
2461 */
2462static void r100_errata(struct radeon_device *rdev)
2463{
2464	rdev->pll_errata = 0;
2465
2466	if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2467		rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2468	}
2469
2470	if (rdev->family == CHIP_RV100 ||
2471	    rdev->family == CHIP_RS100 ||
2472	    rdev->family == CHIP_RS200) {
2473		rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2474	}
2475}
2476
2477static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2478{
2479	unsigned i;
2480	uint32_t tmp;
2481
2482	for (i = 0; i < rdev->usec_timeout; i++) {
2483		tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2484		if (tmp >= n) {
2485			return 0;
2486		}
2487		udelay(1);
2488	}
2489	return -1;
2490}
2491
2492int r100_gui_wait_for_idle(struct radeon_device *rdev)
2493{
2494	unsigned i;
2495	uint32_t tmp;
2496
2497	if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2498		pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n");
 
2499	}
2500	for (i = 0; i < rdev->usec_timeout; i++) {
2501		tmp = RREG32(RADEON_RBBM_STATUS);
2502		if (!(tmp & RADEON_RBBM_ACTIVE)) {
2503			return 0;
2504		}
2505		udelay(1);
2506	}
2507	return -1;
2508}
2509
2510int r100_mc_wait_for_idle(struct radeon_device *rdev)
2511{
2512	unsigned i;
2513	uint32_t tmp;
2514
2515	for (i = 0; i < rdev->usec_timeout; i++) {
2516		/* read MC_STATUS */
2517		tmp = RREG32(RADEON_MC_STATUS);
2518		if (tmp & RADEON_MC_IDLE) {
2519			return 0;
2520		}
2521		udelay(1);
2522	}
2523	return -1;
2524}
2525
2526bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2527{
2528	u32 rbbm_status;
 
2529
2530	rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2531	if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2532		radeon_ring_lockup_update(rdev, ring);
2533		return false;
2534	}
2535	return radeon_ring_test_lockup(rdev, ring);
2536}
2537
2538/* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
2539void r100_enable_bm(struct radeon_device *rdev)
2540{
2541	uint32_t tmp;
2542	/* Enable bus mastering */
2543	tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2544	WREG32(RADEON_BUS_CNTL, tmp);
2545}
2546
2547void r100_bm_disable(struct radeon_device *rdev)
2548{
2549	u32 tmp;
2550
2551	/* disable bus mastering */
2552	tmp = RREG32(R_000030_BUS_CNTL);
2553	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2554	mdelay(1);
2555	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2556	mdelay(1);
2557	WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2558	tmp = RREG32(RADEON_BUS_CNTL);
2559	mdelay(1);
2560	pci_clear_master(rdev->pdev);
 
2561	mdelay(1);
2562}
2563
2564int r100_asic_reset(struct radeon_device *rdev, bool hard)
2565{
2566	struct r100_mc_save save;
2567	u32 status, tmp;
2568	int ret = 0;
2569
2570	status = RREG32(R_000E40_RBBM_STATUS);
2571	if (!G_000E40_GUI_ACTIVE(status)) {
2572		return 0;
2573	}
2574	r100_mc_stop(rdev, &save);
2575	status = RREG32(R_000E40_RBBM_STATUS);
2576	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2577	/* stop CP */
2578	WREG32(RADEON_CP_CSQ_CNTL, 0);
2579	tmp = RREG32(RADEON_CP_RB_CNTL);
2580	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2581	WREG32(RADEON_CP_RB_RPTR_WR, 0);
2582	WREG32(RADEON_CP_RB_WPTR, 0);
2583	WREG32(RADEON_CP_RB_CNTL, tmp);
2584	/* save PCI state */
2585	pci_save_state(rdev->pdev);
2586	/* disable bus mastering */
2587	r100_bm_disable(rdev);
2588	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2589					S_0000F0_SOFT_RESET_RE(1) |
2590					S_0000F0_SOFT_RESET_PP(1) |
2591					S_0000F0_SOFT_RESET_RB(1));
2592	RREG32(R_0000F0_RBBM_SOFT_RESET);
2593	mdelay(500);
2594	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2595	mdelay(1);
2596	status = RREG32(R_000E40_RBBM_STATUS);
2597	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2598	/* reset CP */
2599	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2600	RREG32(R_0000F0_RBBM_SOFT_RESET);
2601	mdelay(500);
2602	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2603	mdelay(1);
2604	status = RREG32(R_000E40_RBBM_STATUS);
2605	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2606	/* restore PCI & busmastering */
2607	pci_restore_state(rdev->pdev);
2608	r100_enable_bm(rdev);
2609	/* Check if GPU is idle */
2610	if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2611		G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2612		dev_err(rdev->dev, "failed to reset GPU\n");
 
2613		ret = -1;
2614	} else
2615		dev_info(rdev->dev, "GPU reset succeed\n");
2616	r100_mc_resume(rdev, &save);
2617	return ret;
2618}
2619
2620void r100_set_common_regs(struct radeon_device *rdev)
2621{
 
2622	bool force_dac2 = false;
2623	u32 tmp;
2624
2625	/* set these so they don't interfere with anything */
2626	WREG32(RADEON_OV0_SCALE_CNTL, 0);
2627	WREG32(RADEON_SUBPIC_CNTL, 0);
2628	WREG32(RADEON_VIPH_CONTROL, 0);
2629	WREG32(RADEON_I2C_CNTL_1, 0);
2630	WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2631	WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2632	WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2633
2634	/* always set up dac2 on rn50 and some rv100 as lots
2635	 * of servers seem to wire it up to a VGA port but
2636	 * don't report it in the bios connector
2637	 * table.
2638	 */
2639	switch (rdev->pdev->device) {
2640		/* RN50 */
2641	case 0x515e:
2642	case 0x5969:
2643		force_dac2 = true;
2644		break;
2645		/* RV100*/
2646	case 0x5159:
2647	case 0x515a:
2648		/* DELL triple head servers */
2649		if ((rdev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2650		    ((rdev->pdev->subsystem_device == 0x016c) ||
2651		     (rdev->pdev->subsystem_device == 0x016d) ||
2652		     (rdev->pdev->subsystem_device == 0x016e) ||
2653		     (rdev->pdev->subsystem_device == 0x016f) ||
2654		     (rdev->pdev->subsystem_device == 0x0170) ||
2655		     (rdev->pdev->subsystem_device == 0x017d) ||
2656		     (rdev->pdev->subsystem_device == 0x017e) ||
2657		     (rdev->pdev->subsystem_device == 0x0183) ||
2658		     (rdev->pdev->subsystem_device == 0x018a) ||
2659		     (rdev->pdev->subsystem_device == 0x019a)))
2660			force_dac2 = true;
2661		break;
2662	}
2663
2664	if (force_dac2) {
2665		u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2666		u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2667		u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2668
2669		/* For CRT on DAC2, don't turn it on if BIOS didn't
2670		   enable it, even it's detected.
2671		*/
2672
2673		/* force it to crtc0 */
2674		dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2675		dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2676		disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2677
2678		/* set up the TV DAC */
2679		tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2680				 RADEON_TV_DAC_STD_MASK |
2681				 RADEON_TV_DAC_RDACPD |
2682				 RADEON_TV_DAC_GDACPD |
2683				 RADEON_TV_DAC_BDACPD |
2684				 RADEON_TV_DAC_BGADJ_MASK |
2685				 RADEON_TV_DAC_DACADJ_MASK);
2686		tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2687				RADEON_TV_DAC_NHOLD |
2688				RADEON_TV_DAC_STD_PS2 |
2689				(0x58 << 16));
2690
2691		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2692		WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2693		WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2694	}
2695
2696	/* switch PM block to ACPI mode */
2697	tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2698	tmp &= ~RADEON_PM_MODE_SEL;
2699	WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2700
2701}
2702
2703/*
2704 * VRAM info
2705 */
2706static void r100_vram_get_type(struct radeon_device *rdev)
2707{
2708	uint32_t tmp;
2709
2710	rdev->mc.vram_is_ddr = false;
2711	if (rdev->flags & RADEON_IS_IGP)
2712		rdev->mc.vram_is_ddr = true;
2713	else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2714		rdev->mc.vram_is_ddr = true;
2715	if ((rdev->family == CHIP_RV100) ||
2716	    (rdev->family == CHIP_RS100) ||
2717	    (rdev->family == CHIP_RS200)) {
2718		tmp = RREG32(RADEON_MEM_CNTL);
2719		if (tmp & RV100_HALF_MODE) {
2720			rdev->mc.vram_width = 32;
2721		} else {
2722			rdev->mc.vram_width = 64;
2723		}
2724		if (rdev->flags & RADEON_SINGLE_CRTC) {
2725			rdev->mc.vram_width /= 4;
2726			rdev->mc.vram_is_ddr = true;
2727		}
2728	} else if (rdev->family <= CHIP_RV280) {
2729		tmp = RREG32(RADEON_MEM_CNTL);
2730		if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2731			rdev->mc.vram_width = 128;
2732		} else {
2733			rdev->mc.vram_width = 64;
2734		}
2735	} else {
2736		/* newer IGPs */
2737		rdev->mc.vram_width = 128;
2738	}
2739}
2740
2741static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2742{
2743	u32 aper_size;
2744	u8 byte;
2745
2746	aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2747
2748	/* Set HDP_APER_CNTL only on cards that are known not to be broken,
2749	 * that is has the 2nd generation multifunction PCI interface
2750	 */
2751	if (rdev->family == CHIP_RV280 ||
2752	    rdev->family >= CHIP_RV350) {
2753		WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2754		       ~RADEON_HDP_APER_CNTL);
2755		DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2756		return aper_size * 2;
2757	}
2758
2759	/* Older cards have all sorts of funny issues to deal with. First
2760	 * check if it's a multifunction card by reading the PCI config
2761	 * header type... Limit those to one aperture size
2762	 */
2763	pci_read_config_byte(rdev->pdev, 0xe, &byte);
2764	if (byte & 0x80) {
2765		DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2766		DRM_INFO("Limiting VRAM to one aperture\n");
2767		return aper_size;
2768	}
2769
2770	/* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2771	 * have set it up. We don't write this as it's broken on some ASICs but
2772	 * we expect the BIOS to have done the right thing (might be too optimistic...)
2773	 */
2774	if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2775		return aper_size * 2;
2776	return aper_size;
2777}
2778
2779void r100_vram_init_sizes(struct radeon_device *rdev)
2780{
2781	u64 config_aper_size;
2782
2783	/* work out accessible VRAM */
2784	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2785	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2786	rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2787	/* FIXME we don't use the second aperture yet when we could use it */
2788	if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2789		rdev->mc.visible_vram_size = rdev->mc.aper_size;
2790	config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2791	if (rdev->flags & RADEON_IS_IGP) {
2792		uint32_t tom;
2793		/* read NB_TOM to get the amount of ram stolen for the GPU */
2794		tom = RREG32(RADEON_NB_TOM);
2795		rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2796		WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2797		rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2798	} else {
2799		rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2800		/* Some production boards of m6 will report 0
2801		 * if it's 8 MB
2802		 */
2803		if (rdev->mc.real_vram_size == 0) {
2804			rdev->mc.real_vram_size = 8192 * 1024;
2805			WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2806		}
2807		/* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2808		 * Novell bug 204882 + along with lots of ubuntu ones
2809		 */
2810		if (rdev->mc.aper_size > config_aper_size)
2811			config_aper_size = rdev->mc.aper_size;
2812
2813		if (config_aper_size > rdev->mc.real_vram_size)
2814			rdev->mc.mc_vram_size = config_aper_size;
2815		else
2816			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2817	}
2818}
2819
2820void r100_vga_set_state(struct radeon_device *rdev, bool state)
2821{
2822	uint32_t temp;
2823
2824	temp = RREG32(RADEON_CONFIG_CNTL);
2825	if (!state) {
2826		temp &= ~RADEON_CFG_VGA_RAM_EN;
2827		temp |= RADEON_CFG_VGA_IO_DIS;
2828	} else {
2829		temp &= ~RADEON_CFG_VGA_IO_DIS;
2830	}
2831	WREG32(RADEON_CONFIG_CNTL, temp);
2832}
2833
2834static void r100_mc_init(struct radeon_device *rdev)
2835{
2836	u64 base;
2837
2838	r100_vram_get_type(rdev);
2839	r100_vram_init_sizes(rdev);
2840	base = rdev->mc.aper_base;
2841	if (rdev->flags & RADEON_IS_IGP)
2842		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2843	radeon_vram_location(rdev, &rdev->mc, base);
2844	rdev->mc.gtt_base_align = 0;
2845	if (!(rdev->flags & RADEON_IS_AGP))
2846		radeon_gtt_location(rdev, &rdev->mc);
2847	radeon_update_bandwidth_info(rdev);
2848}
2849
2850
2851/*
2852 * Indirect registers accessor
2853 */
2854void r100_pll_errata_after_index(struct radeon_device *rdev)
2855{
2856	if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2857		(void)RREG32(RADEON_CLOCK_CNTL_DATA);
2858		(void)RREG32(RADEON_CRTC_GEN_CNTL);
2859	}
2860}
2861
2862static void r100_pll_errata_after_data(struct radeon_device *rdev)
2863{
2864	/* This workarounds is necessary on RV100, RS100 and RS200 chips
2865	 * or the chip could hang on a subsequent access
2866	 */
2867	if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2868		mdelay(5);
2869	}
2870
2871	/* This function is required to workaround a hardware bug in some (all?)
2872	 * revisions of the R300.  This workaround should be called after every
2873	 * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2874	 * may not be correct.
2875	 */
2876	if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2877		uint32_t save, tmp;
2878
2879		save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2880		tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2881		WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2882		tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2883		WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2884	}
2885}
2886
2887uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2888{
2889	unsigned long flags;
2890	uint32_t data;
2891
2892	spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2893	WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2894	r100_pll_errata_after_index(rdev);
2895	data = RREG32(RADEON_CLOCK_CNTL_DATA);
2896	r100_pll_errata_after_data(rdev);
2897	spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2898	return data;
2899}
2900
2901void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2902{
2903	unsigned long flags;
2904
2905	spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2906	WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2907	r100_pll_errata_after_index(rdev);
2908	WREG32(RADEON_CLOCK_CNTL_DATA, v);
2909	r100_pll_errata_after_data(rdev);
2910	spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2911}
2912
2913static void r100_set_safe_registers(struct radeon_device *rdev)
2914{
2915	if (ASIC_IS_RN50(rdev)) {
2916		rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2917		rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2918	} else if (rdev->family < CHIP_R200) {
2919		rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2920		rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2921	} else {
2922		r200_set_safe_registers(rdev);
2923	}
2924}
2925
2926/*
2927 * Debugfs info
2928 */
2929#if defined(CONFIG_DEBUG_FS)
2930static int r100_debugfs_rbbm_info_show(struct seq_file *m, void *unused)
2931{
2932	struct radeon_device *rdev = m->private;
 
 
2933	uint32_t reg, value;
2934	unsigned i;
2935
2936	seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2937	seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2938	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2939	for (i = 0; i < 64; i++) {
2940		WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2941		reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2942		WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2943		value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2944		seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2945	}
2946	return 0;
2947}
2948
2949static int r100_debugfs_cp_ring_info_show(struct seq_file *m, void *unused)
2950{
2951	struct radeon_device *rdev = m->private;
2952	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 
2953	uint32_t rdp, wdp;
2954	unsigned count, i, j;
2955
2956	radeon_ring_free_size(rdev, ring);
2957	rdp = RREG32(RADEON_CP_RB_RPTR);
2958	wdp = RREG32(RADEON_CP_RB_WPTR);
2959	count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2960	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2961	seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2962	seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2963	seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2964	seq_printf(m, "%u dwords in ring\n", count);
2965	if (ring->ready) {
2966		for (j = 0; j <= count; j++) {
2967			i = (rdp + j) & ring->ptr_mask;
2968			seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2969		}
2970	}
2971	return 0;
2972}
2973
2974
2975static int r100_debugfs_cp_csq_fifo_show(struct seq_file *m, void *unused)
2976{
2977	struct radeon_device *rdev = m->private;
 
 
2978	uint32_t csq_stat, csq2_stat, tmp;
2979	unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2980	unsigned i;
2981
2982	seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2983	seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2984	csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2985	csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2986	r_rptr = (csq_stat >> 0) & 0x3ff;
2987	r_wptr = (csq_stat >> 10) & 0x3ff;
2988	ib1_rptr = (csq_stat >> 20) & 0x3ff;
2989	ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2990	ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2991	ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2992	seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2993	seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2994	seq_printf(m, "Ring rptr %u\n", r_rptr);
2995	seq_printf(m, "Ring wptr %u\n", r_wptr);
2996	seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2997	seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2998	seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2999	seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
3000	/* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3001	 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3002	seq_printf(m, "Ring fifo:\n");
3003	for (i = 0; i < 256; i++) {
3004		WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3005		tmp = RREG32(RADEON_CP_CSQ_DATA);
3006		seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3007	}
3008	seq_printf(m, "Indirect1 fifo:\n");
3009	for (i = 256; i <= 512; i++) {
3010		WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3011		tmp = RREG32(RADEON_CP_CSQ_DATA);
3012		seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3013	}
3014	seq_printf(m, "Indirect2 fifo:\n");
3015	for (i = 640; i < ib1_wptr; i++) {
3016		WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3017		tmp = RREG32(RADEON_CP_CSQ_DATA);
3018		seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3019	}
3020	return 0;
3021}
3022
3023static int r100_debugfs_mc_info_show(struct seq_file *m, void *unused)
3024{
3025	struct radeon_device *rdev = m->private;
 
 
3026	uint32_t tmp;
3027
3028	tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3029	seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3030	tmp = RREG32(RADEON_MC_FB_LOCATION);
3031	seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3032	tmp = RREG32(RADEON_BUS_CNTL);
3033	seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3034	tmp = RREG32(RADEON_MC_AGP_LOCATION);
3035	seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3036	tmp = RREG32(RADEON_AGP_BASE);
3037	seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3038	tmp = RREG32(RADEON_HOST_PATH_CNTL);
3039	seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3040	tmp = RREG32(0x01D0);
3041	seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3042	tmp = RREG32(RADEON_AIC_LO_ADDR);
3043	seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3044	tmp = RREG32(RADEON_AIC_HI_ADDR);
3045	seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3046	tmp = RREG32(0x01E4);
3047	seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3048	return 0;
3049}
3050
3051DEFINE_SHOW_ATTRIBUTE(r100_debugfs_rbbm_info);
3052DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_ring_info);
3053DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_csq_fifo);
3054DEFINE_SHOW_ATTRIBUTE(r100_debugfs_mc_info);
3055
 
 
 
 
 
 
 
3056#endif
3057
3058void  r100_debugfs_rbbm_init(struct radeon_device *rdev)
3059{
3060#if defined(CONFIG_DEBUG_FS)
3061	struct dentry *root = rdev->ddev->primary->debugfs_root;
3062
3063	debugfs_create_file("r100_rbbm_info", 0444, root, rdev,
3064			    &r100_debugfs_rbbm_info_fops);
3065#endif
3066}
3067
3068void r100_debugfs_cp_init(struct radeon_device *rdev)
3069{
3070#if defined(CONFIG_DEBUG_FS)
3071	struct dentry *root = rdev->ddev->primary->debugfs_root;
3072
3073	debugfs_create_file("r100_cp_ring_info", 0444, root, rdev,
3074			    &r100_debugfs_cp_ring_info_fops);
3075	debugfs_create_file("r100_cp_csq_fifo", 0444, root, rdev,
3076			    &r100_debugfs_cp_csq_fifo_fops);
3077#endif
3078}
3079
3080void  r100_debugfs_mc_info_init(struct radeon_device *rdev)
3081{
3082#if defined(CONFIG_DEBUG_FS)
3083	struct dentry *root = rdev->ddev->primary->debugfs_root;
3084
3085	debugfs_create_file("r100_mc_info", 0444, root, rdev,
3086			    &r100_debugfs_mc_info_fops);
3087#endif
3088}
3089
3090int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3091			 uint32_t tiling_flags, uint32_t pitch,
3092			 uint32_t offset, uint32_t obj_size)
3093{
3094	int surf_index = reg * 16;
3095	int flags = 0;
3096
3097	if (rdev->family <= CHIP_RS200) {
3098		if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3099				 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3100			flags |= RADEON_SURF_TILE_COLOR_BOTH;
3101		if (tiling_flags & RADEON_TILING_MACRO)
3102			flags |= RADEON_SURF_TILE_COLOR_MACRO;
3103		/* setting pitch to 0 disables tiling */
3104		if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3105				== 0)
3106			pitch = 0;
3107	} else if (rdev->family <= CHIP_RV280) {
3108		if (tiling_flags & (RADEON_TILING_MACRO))
3109			flags |= R200_SURF_TILE_COLOR_MACRO;
3110		if (tiling_flags & RADEON_TILING_MICRO)
3111			flags |= R200_SURF_TILE_COLOR_MICRO;
3112	} else {
3113		if (tiling_flags & RADEON_TILING_MACRO)
3114			flags |= R300_SURF_TILE_MACRO;
3115		if (tiling_flags & RADEON_TILING_MICRO)
3116			flags |= R300_SURF_TILE_MICRO;
3117	}
3118
3119	if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3120		flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3121	if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3122		flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3123
 
 
 
 
 
 
 
3124	/* r100/r200 divide by 16 */
3125	if (rdev->family < CHIP_R300)
3126		flags |= pitch / 16;
3127	else
3128		flags |= pitch / 8;
3129
3130
3131	DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3132	WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3133	WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3134	WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3135	return 0;
3136}
3137
3138void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3139{
3140	int surf_index = reg * 16;
3141	WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3142}
3143
3144void r100_bandwidth_update(struct radeon_device *rdev)
3145{
3146	fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3147	fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3148	fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff;
3149	fixed20_12 crit_point_ff = {0};
3150	uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3151	fixed20_12 memtcas_ff[8] = {
3152		dfixed_init(1),
3153		dfixed_init(2),
3154		dfixed_init(3),
3155		dfixed_init(0),
3156		dfixed_init_half(1),
3157		dfixed_init_half(2),
3158		dfixed_init(0),
3159	};
3160	fixed20_12 memtcas_rs480_ff[8] = {
3161		dfixed_init(0),
3162		dfixed_init(1),
3163		dfixed_init(2),
3164		dfixed_init(3),
3165		dfixed_init(0),
3166		dfixed_init_half(1),
3167		dfixed_init_half(2),
3168		dfixed_init_half(3),
3169	};
3170	fixed20_12 memtcas2_ff[8] = {
3171		dfixed_init(0),
3172		dfixed_init(1),
3173		dfixed_init(2),
3174		dfixed_init(3),
3175		dfixed_init(4),
3176		dfixed_init(5),
3177		dfixed_init(6),
3178		dfixed_init(7),
3179	};
3180	fixed20_12 memtrbs[8] = {
3181		dfixed_init(1),
3182		dfixed_init_half(1),
3183		dfixed_init(2),
3184		dfixed_init_half(2),
3185		dfixed_init(3),
3186		dfixed_init_half(3),
3187		dfixed_init(4),
3188		dfixed_init_half(4)
3189	};
3190	fixed20_12 memtrbs_r4xx[8] = {
3191		dfixed_init(4),
3192		dfixed_init(5),
3193		dfixed_init(6),
3194		dfixed_init(7),
3195		dfixed_init(8),
3196		dfixed_init(9),
3197		dfixed_init(10),
3198		dfixed_init(11)
3199	};
3200	fixed20_12 min_mem_eff;
3201	fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3202	fixed20_12 cur_latency_mclk, cur_latency_sclk;
3203	fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate = {0},
3204		disp_drain_rate2, read_return_rate;
3205	fixed20_12 time_disp1_drop_priority;
3206	int c;
3207	int cur_size = 16;       /* in octawords */
3208	int critical_point = 0, critical_point2;
3209/* 	uint32_t read_return_rate, time_disp1_drop_priority; */
3210	int stop_req, max_stop_req;
3211	struct drm_display_mode *mode1 = NULL;
3212	struct drm_display_mode *mode2 = NULL;
3213	uint32_t pixel_bytes1 = 0;
3214	uint32_t pixel_bytes2 = 0;
3215
3216	/* Guess line buffer size to be 8192 pixels */
3217	u32 lb_size = 8192;
3218
3219	if (!rdev->mode_info.mode_config_initialized)
3220		return;
3221
3222	radeon_update_display_priority(rdev);
3223
3224	if (rdev->mode_info.crtcs[0]->base.enabled) {
3225		const struct drm_framebuffer *fb =
3226			rdev->mode_info.crtcs[0]->base.primary->fb;
3227
3228		mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3229		pixel_bytes1 = fb->format->cpp[0];
3230	}
3231	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3232		if (rdev->mode_info.crtcs[1]->base.enabled) {
3233			const struct drm_framebuffer *fb =
3234				rdev->mode_info.crtcs[1]->base.primary->fb;
3235
3236			mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3237			pixel_bytes2 = fb->format->cpp[0];
3238		}
3239	}
3240
3241	min_mem_eff.full = dfixed_const_8(0);
3242	/* get modes */
3243	if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3244		uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3245		mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3246		mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3247		/* check crtc enables */
3248		if (mode2)
3249			mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3250		if (mode1)
3251			mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3252		WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3253	}
3254
3255	/*
3256	 * determine is there is enough bw for current mode
3257	 */
3258	sclk_ff = rdev->pm.sclk;
3259	mclk_ff = rdev->pm.mclk;
3260
3261	temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3262	temp_ff.full = dfixed_const(temp);
3263	mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3264
3265	pix_clk.full = 0;
3266	pix_clk2.full = 0;
3267	peak_disp_bw.full = 0;
3268	if (mode1) {
3269		temp_ff.full = dfixed_const(1000);
3270		pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3271		pix_clk.full = dfixed_div(pix_clk, temp_ff);
3272		temp_ff.full = dfixed_const(pixel_bytes1);
3273		peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3274	}
3275	if (mode2) {
3276		temp_ff.full = dfixed_const(1000);
3277		pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3278		pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3279		temp_ff.full = dfixed_const(pixel_bytes2);
3280		peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3281	}
3282
3283	mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3284	if (peak_disp_bw.full >= mem_bw.full) {
3285		DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3286			  "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3287	}
3288
3289	/*  Get values from the EXT_MEM_CNTL register...converting its contents. */
3290	temp = RREG32(RADEON_MEM_TIMING_CNTL);
3291	if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3292		mem_trcd = ((temp >> 2) & 0x3) + 1;
3293		mem_trp  = ((temp & 0x3)) + 1;
3294		mem_tras = ((temp & 0x70) >> 4) + 1;
3295	} else if (rdev->family == CHIP_R300 ||
3296		   rdev->family == CHIP_R350) { /* r300, r350 */
3297		mem_trcd = (temp & 0x7) + 1;
3298		mem_trp = ((temp >> 8) & 0x7) + 1;
3299		mem_tras = ((temp >> 11) & 0xf) + 4;
3300	} else if (rdev->family == CHIP_RV350 ||
3301		   rdev->family == CHIP_RV380) {
3302		/* rv3x0 */
3303		mem_trcd = (temp & 0x7) + 3;
3304		mem_trp = ((temp >> 8) & 0x7) + 3;
3305		mem_tras = ((temp >> 11) & 0xf) + 6;
3306	} else if (rdev->family == CHIP_R420 ||
3307		   rdev->family == CHIP_R423 ||
3308		   rdev->family == CHIP_RV410) {
3309		/* r4xx */
3310		mem_trcd = (temp & 0xf) + 3;
3311		if (mem_trcd > 15)
3312			mem_trcd = 15;
3313		mem_trp = ((temp >> 8) & 0xf) + 3;
3314		if (mem_trp > 15)
3315			mem_trp = 15;
3316		mem_tras = ((temp >> 12) & 0x1f) + 6;
3317		if (mem_tras > 31)
3318			mem_tras = 31;
3319	} else { /* RV200, R200 */
3320		mem_trcd = (temp & 0x7) + 1;
3321		mem_trp = ((temp >> 8) & 0x7) + 1;
3322		mem_tras = ((temp >> 12) & 0xf) + 4;
3323	}
3324	/* convert to FF */
3325	trcd_ff.full = dfixed_const(mem_trcd);
3326	trp_ff.full = dfixed_const(mem_trp);
3327	tras_ff.full = dfixed_const(mem_tras);
3328
3329	/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3330	temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3331	data = (temp & (7 << 20)) >> 20;
3332	if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3333		if (rdev->family == CHIP_RS480) /* don't think rs400 */
3334			tcas_ff = memtcas_rs480_ff[data];
3335		else
3336			tcas_ff = memtcas_ff[data];
3337	} else
3338		tcas_ff = memtcas2_ff[data];
3339
3340	if (rdev->family == CHIP_RS400 ||
3341	    rdev->family == CHIP_RS480) {
3342		/* extra cas latency stored in bits 23-25 0-4 clocks */
3343		data = (temp >> 23) & 0x7;
3344		if (data < 5)
3345			tcas_ff.full += dfixed_const(data);
3346	}
3347
3348	if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3349		/* on the R300, Tcas is included in Trbs.
3350		 */
3351		temp = RREG32(RADEON_MEM_CNTL);
3352		data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3353		if (data == 1) {
3354			if (R300_MEM_USE_CD_CH_ONLY & temp) {
3355				temp = RREG32(R300_MC_IND_INDEX);
3356				temp &= ~R300_MC_IND_ADDR_MASK;
3357				temp |= R300_MC_READ_CNTL_CD_mcind;
3358				WREG32(R300_MC_IND_INDEX, temp);
3359				temp = RREG32(R300_MC_IND_DATA);
3360				data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3361			} else {
3362				temp = RREG32(R300_MC_READ_CNTL_AB);
3363				data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3364			}
3365		} else {
3366			temp = RREG32(R300_MC_READ_CNTL_AB);
3367			data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3368		}
3369		if (rdev->family == CHIP_RV410 ||
3370		    rdev->family == CHIP_R420 ||
3371		    rdev->family == CHIP_R423)
3372			trbs_ff = memtrbs_r4xx[data];
3373		else
3374			trbs_ff = memtrbs[data];
3375		tcas_ff.full += trbs_ff.full;
3376	}
3377
3378	sclk_eff_ff.full = sclk_ff.full;
3379
3380	if (rdev->flags & RADEON_IS_AGP) {
3381		fixed20_12 agpmode_ff;
3382		agpmode_ff.full = dfixed_const(radeon_agpmode);
3383		temp_ff.full = dfixed_const_666(16);
3384		sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3385	}
3386	/* TODO PCIE lanes may affect this - agpmode == 16?? */
3387
3388	if (ASIC_IS_R300(rdev)) {
3389		sclk_delay_ff.full = dfixed_const(250);
3390	} else {
3391		if ((rdev->family == CHIP_RV100) ||
3392		    rdev->flags & RADEON_IS_IGP) {
3393			if (rdev->mc.vram_is_ddr)
3394				sclk_delay_ff.full = dfixed_const(41);
3395			else
3396				sclk_delay_ff.full = dfixed_const(33);
3397		} else {
3398			if (rdev->mc.vram_width == 128)
3399				sclk_delay_ff.full = dfixed_const(57);
3400			else
3401				sclk_delay_ff.full = dfixed_const(41);
3402		}
3403	}
3404
3405	mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3406
3407	if (rdev->mc.vram_is_ddr) {
3408		if (rdev->mc.vram_width == 32) {
3409			k1.full = dfixed_const(40);
3410			c  = 3;
3411		} else {
3412			k1.full = dfixed_const(20);
3413			c  = 1;
3414		}
3415	} else {
3416		k1.full = dfixed_const(40);
3417		c  = 3;
3418	}
3419
3420	temp_ff.full = dfixed_const(2);
3421	mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3422	temp_ff.full = dfixed_const(c);
3423	mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3424	temp_ff.full = dfixed_const(4);
3425	mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3426	mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3427	mc_latency_mclk.full += k1.full;
3428
3429	mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3430	mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3431
3432	/*
3433	  HW cursor time assuming worst case of full size colour cursor.
3434	*/
3435	temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3436	temp_ff.full += trcd_ff.full;
3437	if (temp_ff.full < tras_ff.full)
3438		temp_ff.full = tras_ff.full;
3439	cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3440
3441	temp_ff.full = dfixed_const(cur_size);
3442	cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3443	/*
3444	  Find the total latency for the display data.
3445	*/
3446	disp_latency_overhead.full = dfixed_const(8);
3447	disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3448	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3449	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3450
3451	if (mc_latency_mclk.full > mc_latency_sclk.full)
3452		disp_latency.full = mc_latency_mclk.full;
3453	else
3454		disp_latency.full = mc_latency_sclk.full;
3455
3456	/* setup Max GRPH_STOP_REQ default value */
3457	if (ASIC_IS_RV100(rdev))
3458		max_stop_req = 0x5c;
3459	else
3460		max_stop_req = 0x7c;
3461
3462	if (mode1) {
3463		/*  CRTC1
3464		    Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3465		    GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3466		*/
3467		stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3468
3469		if (stop_req > max_stop_req)
3470			stop_req = max_stop_req;
3471
3472		/*
3473		  Find the drain rate of the display buffer.
3474		*/
3475		temp_ff.full = dfixed_const((16/pixel_bytes1));
3476		disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3477
3478		/*
3479		  Find the critical point of the display buffer.
3480		*/
3481		crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3482		crit_point_ff.full += dfixed_const_half(0);
3483
3484		critical_point = dfixed_trunc(crit_point_ff);
3485
3486		if (rdev->disp_priority == 2) {
3487			critical_point = 0;
3488		}
3489
3490		/*
3491		  The critical point should never be above max_stop_req-4.  Setting
3492		  GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3493		*/
3494		if (max_stop_req - critical_point < 4)
3495			critical_point = 0;
3496
3497		if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3498			/* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3499			critical_point = 0x10;
3500		}
3501
3502		temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3503		temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3504		temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3505		temp &= ~(RADEON_GRPH_START_REQ_MASK);
3506		if ((rdev->family == CHIP_R350) &&
3507		    (stop_req > 0x15)) {
3508			stop_req -= 0x10;
3509		}
3510		temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3511		temp |= RADEON_GRPH_BUFFER_SIZE;
3512		temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3513			  RADEON_GRPH_CRITICAL_AT_SOF |
3514			  RADEON_GRPH_STOP_CNTL);
3515		/*
3516		  Write the result into the register.
3517		*/
3518		WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3519						       (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3520
3521#if 0
3522		if ((rdev->family == CHIP_RS400) ||
3523		    (rdev->family == CHIP_RS480)) {
3524			/* attempt to program RS400 disp regs correctly ??? */
3525			temp = RREG32(RS400_DISP1_REG_CNTL);
3526			temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3527				  RS400_DISP1_STOP_REQ_LEVEL_MASK);
3528			WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3529						       (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3530						       (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3531			temp = RREG32(RS400_DMIF_MEM_CNTL1);
3532			temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3533				  RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3534			WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3535						      (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3536						      (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3537		}
3538#endif
3539
3540		DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3541			  /* 	  (unsigned int)info->SavedReg->grph_buffer_cntl, */
3542			  (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3543	}
3544
3545	if (mode2) {
3546		u32 grph2_cntl;
3547		stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3548
3549		if (stop_req > max_stop_req)
3550			stop_req = max_stop_req;
3551
3552		/*
3553		  Find the drain rate of the display buffer.
3554		*/
3555		temp_ff.full = dfixed_const((16/pixel_bytes2));
3556		disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3557
3558		grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3559		grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3560		grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3561		grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3562		if ((rdev->family == CHIP_R350) &&
3563		    (stop_req > 0x15)) {
3564			stop_req -= 0x10;
3565		}
3566		grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3567		grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3568		grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3569			  RADEON_GRPH_CRITICAL_AT_SOF |
3570			  RADEON_GRPH_STOP_CNTL);
3571
3572		if ((rdev->family == CHIP_RS100) ||
3573		    (rdev->family == CHIP_RS200))
3574			critical_point2 = 0;
3575		else {
3576			temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3577			temp_ff.full = dfixed_const(temp);
3578			temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3579			if (sclk_ff.full < temp_ff.full)
3580				temp_ff.full = sclk_ff.full;
3581
3582			read_return_rate.full = temp_ff.full;
3583
3584			if (mode1) {
3585				temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3586				time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3587			} else {
3588				time_disp1_drop_priority.full = 0;
3589			}
3590			crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3591			crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3592			crit_point_ff.full += dfixed_const_half(0);
3593
3594			critical_point2 = dfixed_trunc(crit_point_ff);
3595
3596			if (rdev->disp_priority == 2) {
3597				critical_point2 = 0;
3598			}
3599
3600			if (max_stop_req - critical_point2 < 4)
3601				critical_point2 = 0;
3602
3603		}
3604
3605		if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3606			/* some R300 cards have problem with this set to 0 */
3607			critical_point2 = 0x10;
3608		}
3609
3610		WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3611						  (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3612
3613		if ((rdev->family == CHIP_RS400) ||
3614		    (rdev->family == CHIP_RS480)) {
3615#if 0
3616			/* attempt to program RS400 disp2 regs correctly ??? */
3617			temp = RREG32(RS400_DISP2_REQ_CNTL1);
3618			temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3619				  RS400_DISP2_STOP_REQ_LEVEL_MASK);
3620			WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3621						       (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3622						       (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3623			temp = RREG32(RS400_DISP2_REQ_CNTL2);
3624			temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3625				  RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3626			WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3627						       (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3628						       (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3629#endif
3630			WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3631			WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3632			WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
3633			WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3634		}
3635
3636		DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3637			  (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3638	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3639
3640	/* Save number of lines the linebuffer leads before the scanout */
3641	if (mode1)
3642	    rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
 
 
 
 
 
 
 
 
 
 
 
 
 
3643
3644	if (mode2)
3645	    rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3646}
3647
3648int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3649{
3650	uint32_t scratch;
3651	uint32_t tmp = 0;
3652	unsigned i;
3653	int r;
3654
3655	r = radeon_scratch_get(rdev, &scratch);
3656	if (r) {
3657		DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3658		return r;
3659	}
3660	WREG32(scratch, 0xCAFEDEAD);
3661	r = radeon_ring_lock(rdev, ring, 2);
3662	if (r) {
3663		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3664		radeon_scratch_free(rdev, scratch);
3665		return r;
3666	}
3667	radeon_ring_write(ring, PACKET0(scratch, 0));
3668	radeon_ring_write(ring, 0xDEADBEEF);
3669	radeon_ring_unlock_commit(rdev, ring, false);
3670	for (i = 0; i < rdev->usec_timeout; i++) {
3671		tmp = RREG32(scratch);
3672		if (tmp == 0xDEADBEEF) {
3673			break;
3674		}
3675		udelay(1);
3676	}
3677	if (i < rdev->usec_timeout) {
3678		DRM_INFO("ring test succeeded in %d usecs\n", i);
3679	} else {
3680		DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3681			  scratch, tmp);
3682		r = -EINVAL;
3683	}
3684	radeon_scratch_free(rdev, scratch);
3685	return r;
3686}
3687
3688void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3689{
3690	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3691
3692	if (ring->rptr_save_reg) {
3693		u32 next_rptr = ring->wptr + 2 + 3;
3694		radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3695		radeon_ring_write(ring, next_rptr);
3696	}
3697
3698	radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3699	radeon_ring_write(ring, ib->gpu_addr);
3700	radeon_ring_write(ring, ib->length_dw);
3701}
3702
3703int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3704{
3705	struct radeon_ib ib;
3706	uint32_t scratch;
3707	uint32_t tmp = 0;
3708	unsigned i;
3709	int r;
3710
3711	r = radeon_scratch_get(rdev, &scratch);
3712	if (r) {
3713		DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3714		return r;
3715	}
3716	WREG32(scratch, 0xCAFEDEAD);
3717	r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3718	if (r) {
3719		DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3720		goto free_scratch;
3721	}
3722	ib.ptr[0] = PACKET0(scratch, 0);
3723	ib.ptr[1] = 0xDEADBEEF;
3724	ib.ptr[2] = PACKET2(0);
3725	ib.ptr[3] = PACKET2(0);
3726	ib.ptr[4] = PACKET2(0);
3727	ib.ptr[5] = PACKET2(0);
3728	ib.ptr[6] = PACKET2(0);
3729	ib.ptr[7] = PACKET2(0);
3730	ib.length_dw = 8;
3731	r = radeon_ib_schedule(rdev, &ib, NULL, false);
3732	if (r) {
3733		DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3734		goto free_ib;
 
3735	}
3736	r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3737		RADEON_USEC_IB_TEST_TIMEOUT));
3738	if (r < 0) {
3739		DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3740		goto free_ib;
3741	} else if (r == 0) {
3742		DRM_ERROR("radeon: fence wait timed out.\n");
3743		r = -ETIMEDOUT;
3744		goto free_ib;
3745	}
3746	r = 0;
3747	for (i = 0; i < rdev->usec_timeout; i++) {
3748		tmp = RREG32(scratch);
3749		if (tmp == 0xDEADBEEF) {
3750			break;
3751		}
3752		udelay(1);
3753	}
3754	if (i < rdev->usec_timeout) {
3755		DRM_INFO("ib test succeeded in %u usecs\n", i);
3756	} else {
3757		DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3758			  scratch, tmp);
3759		r = -EINVAL;
3760	}
3761free_ib:
3762	radeon_ib_free(rdev, &ib);
3763free_scratch:
3764	radeon_scratch_free(rdev, scratch);
3765	return r;
3766}
3767
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3768void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3769{
3770	/* Shutdown CP we shouldn't need to do that but better be safe than
3771	 * sorry
3772	 */
3773	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3774	WREG32(R_000740_CP_CSQ_CNTL, 0);
3775
3776	/* Save few CRTC registers */
3777	save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3778	save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3779	save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3780	save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3781	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3782		save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3783		save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3784	}
3785
3786	/* Disable VGA aperture access */
3787	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3788	/* Disable cursor, overlay, crtc */
3789	WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3790	WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3791					S_000054_CRTC_DISPLAY_DIS(1));
3792	WREG32(R_000050_CRTC_GEN_CNTL,
3793			(C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3794			S_000050_CRTC_DISP_REQ_EN_B(1));
3795	WREG32(R_000420_OV0_SCALE_CNTL,
3796		C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3797	WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3798	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3799		WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3800						S_000360_CUR2_LOCK(1));
3801		WREG32(R_0003F8_CRTC2_GEN_CNTL,
3802			(C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3803			S_0003F8_CRTC2_DISPLAY_DIS(1) |
3804			S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3805		WREG32(R_000360_CUR2_OFFSET,
3806			C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3807	}
3808}
3809
3810void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3811{
3812	/* Update base address for crtc */
3813	WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3814	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3815		WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3816	}
3817	/* Restore CRTC registers */
3818	WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3819	WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3820	WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3821	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3822		WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3823	}
3824}
3825
3826void r100_vga_render_disable(struct radeon_device *rdev)
3827{
3828	u32 tmp;
3829
3830	tmp = RREG8(R_0003C2_GENMO_WT);
3831	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3832}
3833
 
 
 
 
 
 
 
 
 
3834static void r100_mc_program(struct radeon_device *rdev)
3835{
3836	struct r100_mc_save save;
3837
3838	/* Stops all mc clients */
3839	r100_mc_stop(rdev, &save);
3840	if (rdev->flags & RADEON_IS_AGP) {
3841		WREG32(R_00014C_MC_AGP_LOCATION,
3842			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3843			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3844		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3845		if (rdev->family > CHIP_RV200)
3846			WREG32(R_00015C_AGP_BASE_2,
3847				upper_32_bits(rdev->mc.agp_base) & 0xff);
3848	} else {
3849		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3850		WREG32(R_000170_AGP_BASE, 0);
3851		if (rdev->family > CHIP_RV200)
3852			WREG32(R_00015C_AGP_BASE_2, 0);
3853	}
3854	/* Wait for mc idle */
3855	if (r100_mc_wait_for_idle(rdev))
3856		dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3857	/* Program MC, should be a 32bits limited address space */
3858	WREG32(R_000148_MC_FB_LOCATION,
3859		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3860		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3861	r100_mc_resume(rdev, &save);
3862}
3863
3864static void r100_clock_startup(struct radeon_device *rdev)
3865{
3866	u32 tmp;
3867
3868	if (radeon_dynclks != -1 && radeon_dynclks)
3869		radeon_legacy_set_clock_gating(rdev, 1);
3870	/* We need to force on some of the block */
3871	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3872	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3873	if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3874		tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3875	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3876}
3877
3878static int r100_startup(struct radeon_device *rdev)
3879{
3880	int r;
3881
3882	/* set common regs */
3883	r100_set_common_regs(rdev);
3884	/* program mc */
3885	r100_mc_program(rdev);
3886	/* Resume clock */
3887	r100_clock_startup(rdev);
3888	/* Initialize GART (initialize after TTM so we can allocate
3889	 * memory through TTM but finalize after TTM) */
3890	r100_enable_bm(rdev);
3891	if (rdev->flags & RADEON_IS_PCI) {
3892		r = r100_pci_gart_enable(rdev);
3893		if (r)
3894			return r;
3895	}
3896
3897	/* allocate wb buffer */
3898	r = radeon_wb_init(rdev);
3899	if (r)
3900		return r;
3901
3902	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3903	if (r) {
3904		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3905		return r;
3906	}
3907
3908	/* Enable IRQ */
3909	if (!rdev->irq.installed) {
3910		r = radeon_irq_kms_init(rdev);
3911		if (r)
3912			return r;
3913	}
3914
3915	r100_irq_set(rdev);
3916	rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3917	/* 1M ring buffer */
3918	r = r100_cp_init(rdev, 1024 * 1024);
3919	if (r) {
3920		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3921		return r;
3922	}
3923
3924	r = radeon_ib_pool_init(rdev);
3925	if (r) {
3926		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3927		return r;
3928	}
3929
3930	return 0;
3931}
3932
3933int r100_resume(struct radeon_device *rdev)
3934{
3935	int r;
3936
3937	/* Make sur GART are not working */
3938	if (rdev->flags & RADEON_IS_PCI)
3939		r100_pci_gart_disable(rdev);
3940	/* Resume clock before doing reset */
3941	r100_clock_startup(rdev);
3942	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
3943	if (radeon_asic_reset(rdev)) {
3944		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3945			RREG32(R_000E40_RBBM_STATUS),
3946			RREG32(R_0007C0_CP_STAT));
3947	}
3948	/* post */
3949	radeon_combios_asic_init(rdev->ddev);
3950	/* Resume clock after posting */
3951	r100_clock_startup(rdev);
3952	/* Initialize surface registers */
3953	radeon_surface_init(rdev);
3954
3955	rdev->accel_working = true;
3956	r = r100_startup(rdev);
3957	if (r) {
3958		rdev->accel_working = false;
3959	}
3960	return r;
3961}
3962
3963int r100_suspend(struct radeon_device *rdev)
3964{
3965	radeon_pm_suspend(rdev);
3966	r100_cp_disable(rdev);
3967	radeon_wb_disable(rdev);
3968	r100_irq_disable(rdev);
3969	if (rdev->flags & RADEON_IS_PCI)
3970		r100_pci_gart_disable(rdev);
3971	return 0;
3972}
3973
3974void r100_fini(struct radeon_device *rdev)
3975{
3976	radeon_pm_fini(rdev);
3977	r100_cp_fini(rdev);
3978	radeon_wb_fini(rdev);
3979	radeon_ib_pool_fini(rdev);
3980	radeon_gem_fini(rdev);
3981	if (rdev->flags & RADEON_IS_PCI)
3982		r100_pci_gart_fini(rdev);
3983	radeon_agp_fini(rdev);
3984	radeon_irq_kms_fini(rdev);
3985	radeon_fence_driver_fini(rdev);
3986	radeon_bo_fini(rdev);
3987	radeon_atombios_fini(rdev);
3988	kfree(rdev->bios);
3989	rdev->bios = NULL;
3990}
3991
3992/*
3993 * Due to how kexec works, it can leave the hw fully initialised when it
3994 * boots the new kernel. However doing our init sequence with the CP and
3995 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3996 * do some quick sanity checks and restore sane values to avoid this
3997 * problem.
3998 */
3999void r100_restore_sanity(struct radeon_device *rdev)
4000{
4001	u32 tmp;
4002
4003	tmp = RREG32(RADEON_CP_CSQ_CNTL);
4004	if (tmp) {
4005		WREG32(RADEON_CP_CSQ_CNTL, 0);
4006	}
4007	tmp = RREG32(RADEON_CP_RB_CNTL);
4008	if (tmp) {
4009		WREG32(RADEON_CP_RB_CNTL, 0);
4010	}
4011	tmp = RREG32(RADEON_SCRATCH_UMSK);
4012	if (tmp) {
4013		WREG32(RADEON_SCRATCH_UMSK, 0);
4014	}
4015}
4016
4017int r100_init(struct radeon_device *rdev)
4018{
4019	int r;
4020
4021	/* Register debugfs file specific to this group of asics */
4022	r100_debugfs_mc_info_init(rdev);
4023	/* Disable VGA */
4024	r100_vga_render_disable(rdev);
4025	/* Initialize scratch registers */
4026	radeon_scratch_init(rdev);
4027	/* Initialize surface registers */
4028	radeon_surface_init(rdev);
4029	/* sanity check some register to avoid hangs like after kexec */
4030	r100_restore_sanity(rdev);
4031	/* TODO: disable VGA need to use VGA request */
4032	/* BIOS*/
4033	if (!radeon_get_bios(rdev)) {
4034		if (ASIC_IS_AVIVO(rdev))
4035			return -EINVAL;
4036	}
4037	if (rdev->is_atom_bios) {
4038		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4039		return -EINVAL;
4040	} else {
4041		r = radeon_combios_init(rdev);
4042		if (r)
4043			return r;
4044	}
4045	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
4046	if (radeon_asic_reset(rdev)) {
4047		dev_warn(rdev->dev,
4048			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4049			RREG32(R_000E40_RBBM_STATUS),
4050			RREG32(R_0007C0_CP_STAT));
4051	}
4052	/* check if cards are posted or not */
4053	if (radeon_boot_test_post_card(rdev) == false)
4054		return -EINVAL;
4055	/* Set asic errata */
4056	r100_errata(rdev);
4057	/* Initialize clocks */
4058	radeon_get_clock_info(rdev->ddev);
4059	/* initialize AGP */
4060	if (rdev->flags & RADEON_IS_AGP) {
4061		r = radeon_agp_init(rdev);
4062		if (r) {
4063			radeon_agp_disable(rdev);
4064		}
4065	}
4066	/* initialize VRAM */
4067	r100_mc_init(rdev);
4068	/* Fence driver */
4069	radeon_fence_driver_init(rdev);
 
 
 
 
 
4070	/* Memory manager */
4071	r = radeon_bo_init(rdev);
4072	if (r)
4073		return r;
4074	if (rdev->flags & RADEON_IS_PCI) {
4075		r = r100_pci_gart_init(rdev);
4076		if (r)
4077			return r;
4078	}
4079	r100_set_safe_registers(rdev);
4080
4081	/* Initialize power management */
4082	radeon_pm_init(rdev);
4083
4084	rdev->accel_working = true;
4085	r = r100_startup(rdev);
4086	if (r) {
4087		/* Somethings want wront with the accel init stop accel */
4088		dev_err(rdev->dev, "Disabling GPU acceleration\n");
4089		r100_cp_fini(rdev);
4090		radeon_wb_fini(rdev);
4091		radeon_ib_pool_fini(rdev);
4092		radeon_irq_kms_fini(rdev);
4093		if (rdev->flags & RADEON_IS_PCI)
4094			r100_pci_gart_fini(rdev);
4095		rdev->accel_working = false;
4096	}
4097	return 0;
4098}
4099
4100uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg)
4101{
4102	unsigned long flags;
4103	uint32_t ret;
4104
4105	spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4106	writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4107	ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4108	spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4109	return ret;
4110}
4111
4112void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4113{
4114	unsigned long flags;
4115
4116	spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4117	writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4118	writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4119	spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4120}
4121
4122u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4123{
4124	if (reg < rdev->rio_mem_size)
4125		return ioread32(rdev->rio_mem + reg);
4126	else {
4127		iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4128		return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4129	}
4130}
4131
4132void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4133{
4134	if (reg < rdev->rio_mem_size)
4135		iowrite32(v, rdev->rio_mem + reg);
4136	else {
4137		iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4138		iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4139	}
4140}