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v4.6
   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28/* RS600 / Radeon X1250/X1270 integrated GPU
  29 *
  30 * This file gather function specific to RS600 which is the IGP of
  31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
  32 * is the X1250/X1270 supporting AMD CPU). The display engine are
  33 * the avivo one, bios is an atombios, 3D block are the one of the
  34 * R4XX family. The GART is different from the RS400 one and is very
  35 * close to the one of the R600 family (R600 likely being an evolution
  36 * of the RS600 GART block).
  37 */
  38#include <drm/drmP.h>
  39#include "radeon.h"
  40#include "radeon_asic.h"
  41#include "radeon_audio.h"
  42#include "atom.h"
  43#include "rs600d.h"
  44
  45#include "rs600_reg_safe.h"
  46
  47static void rs600_gpu_init(struct radeon_device *rdev);
  48int rs600_mc_wait_for_idle(struct radeon_device *rdev);
  49
  50static const u32 crtc_offsets[2] =
  51{
  52	0,
  53	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  54};
  55
  56static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
  57{
  58	if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
  59		return true;
  60	else
  61		return false;
  62}
  63
  64static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
  65{
  66	u32 pos1, pos2;
  67
  68	pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
  69	pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
  70
  71	if (pos1 != pos2)
  72		return true;
  73	else
  74		return false;
  75}
  76
  77/**
  78 * avivo_wait_for_vblank - vblank wait asic callback.
  79 *
  80 * @rdev: radeon_device pointer
  81 * @crtc: crtc to wait for vblank on
  82 *
  83 * Wait for vblank on the requested crtc (r5xx-r7xx).
  84 */
  85void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
  86{
  87	unsigned i = 0;
  88
  89	if (crtc >= rdev->num_crtc)
  90		return;
  91
  92	if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
  93		return;
  94
  95	/* depending on when we hit vblank, we may be close to active; if so,
  96	 * wait for another frame.
  97	 */
  98	while (avivo_is_in_vblank(rdev, crtc)) {
  99		if (i++ % 100 == 0) {
 100			if (!avivo_is_counter_moving(rdev, crtc))
 101				break;
 102		}
 103	}
 104
 105	while (!avivo_is_in_vblank(rdev, crtc)) {
 106		if (i++ % 100 == 0) {
 107			if (!avivo_is_counter_moving(rdev, crtc))
 108				break;
 109		}
 110	}
 111}
 112
 113void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 
 
 
 
 
 
 
 
 
 
 
 
 114{
 115	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 116	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
 117	int i;
 118
 119	/* Lock the graphics update lock */
 120	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
 121	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 122
 123	/* update the scanout addresses */
 124	WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 125	       (u32)crtc_base);
 126	WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 127	       (u32)crtc_base);
 128
 129	/* Wait for update_pending to go high. */
 130	for (i = 0; i < rdev->usec_timeout; i++) {
 131		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
 132			break;
 133		udelay(1);
 134	}
 135	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 136
 137	/* Unlock the lock, so double-buffering can take place inside vblank */
 138	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 139	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 140}
 141
 142bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id)
 143{
 144	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 145
 146	/* Return current update_pending status: */
 147	return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) &
 148		AVIVO_D1GRPH_SURFACE_UPDATE_PENDING);
 149}
 150
 151void avivo_program_fmt(struct drm_encoder *encoder)
 152{
 153	struct drm_device *dev = encoder->dev;
 154	struct radeon_device *rdev = dev->dev_private;
 155	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 156	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 157	int bpc = 0;
 158	u32 tmp = 0;
 159	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 160
 161	if (connector) {
 162		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 163		bpc = radeon_get_monitor_bpc(connector);
 164		dither = radeon_connector->dither;
 165	}
 166
 167	/* LVDS FMT is set up by atom */
 168	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 169		return;
 170
 171	if (bpc == 0)
 172		return;
 173
 174	switch (bpc) {
 175	case 6:
 176		if (dither == RADEON_FMT_DITHER_ENABLE)
 177			/* XXX sort out optimal dither settings */
 178			tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
 179		else
 180			tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
 181		break;
 182	case 8:
 183		if (dither == RADEON_FMT_DITHER_ENABLE)
 184			/* XXX sort out optimal dither settings */
 185			tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
 186				AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
 187		else
 188			tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
 189				AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
 190		break;
 191	case 10:
 192	default:
 193		/* not needed */
 194		break;
 195	}
 196
 197	switch (radeon_encoder->encoder_id) {
 198	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 199		WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
 200		break;
 201	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
 202		WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
 203		break;
 204	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
 205		WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
 206		break;
 207	case ENCODER_OBJECT_ID_INTERNAL_DDI:
 208		WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
 209		break;
 210	default:
 211		break;
 212	}
 213}
 214
 215void rs600_pm_misc(struct radeon_device *rdev)
 216{
 217	int requested_index = rdev->pm.requested_power_state_index;
 218	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 219	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 220	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
 221	u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
 222
 223	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 224		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 225			tmp = RREG32(voltage->gpio.reg);
 226			if (voltage->active_high)
 227				tmp |= voltage->gpio.mask;
 228			else
 229				tmp &= ~(voltage->gpio.mask);
 230			WREG32(voltage->gpio.reg, tmp);
 231			if (voltage->delay)
 232				udelay(voltage->delay);
 233		} else {
 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		}
 243	} else if (voltage->type == VOLTAGE_VDDC)
 244		radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
 245
 246	dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
 247	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
 248	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
 249	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 250		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
 251			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
 252			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
 253		} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
 254			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
 255			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
 256		}
 257	} else {
 258		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
 259		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
 260	}
 261	WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
 262
 263	dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
 264	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 265		dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
 266		if (voltage->delay) {
 267			dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
 268			dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
 269		} else
 270			dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
 271	} else
 272		dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
 273	WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
 274
 275	hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
 276	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 277		hdp_dyn_cntl &= ~HDP_FORCEON;
 278	else
 279		hdp_dyn_cntl |= HDP_FORCEON;
 280	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
 281#if 0
 282	/* mc_host_dyn seems to cause hangs from time to time */
 283	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
 284	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
 285		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
 286	else
 287		mc_host_dyn_cntl |= MC_HOST_FORCEON;
 288	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
 289#endif
 290	dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
 291	if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
 292		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
 293	else
 294		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
 295	WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
 296
 297	/* set pcie lanes */
 298	if ((rdev->flags & RADEON_IS_PCIE) &&
 299	    !(rdev->flags & RADEON_IS_IGP) &&
 300	    rdev->asic->pm.set_pcie_lanes &&
 301	    (ps->pcie_lanes !=
 302	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 303		radeon_set_pcie_lanes(rdev,
 304				      ps->pcie_lanes);
 305		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 306	}
 307}
 308
 309void rs600_pm_prepare(struct radeon_device *rdev)
 310{
 311	struct drm_device *ddev = rdev->ddev;
 312	struct drm_crtc *crtc;
 313	struct radeon_crtc *radeon_crtc;
 314	u32 tmp;
 315
 316	/* disable any active CRTCs */
 317	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 318		radeon_crtc = to_radeon_crtc(crtc);
 319		if (radeon_crtc->enabled) {
 320			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 321			tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 322			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 323		}
 324	}
 325}
 326
 327void rs600_pm_finish(struct radeon_device *rdev)
 328{
 329	struct drm_device *ddev = rdev->ddev;
 330	struct drm_crtc *crtc;
 331	struct radeon_crtc *radeon_crtc;
 332	u32 tmp;
 333
 334	/* enable any active CRTCs */
 335	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 336		radeon_crtc = to_radeon_crtc(crtc);
 337		if (radeon_crtc->enabled) {
 338			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 339			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 340			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 341		}
 342	}
 343}
 344
 345/* hpd for digital panel detect/disconnect */
 346bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 347{
 348	u32 tmp;
 349	bool connected = false;
 350
 351	switch (hpd) {
 352	case RADEON_HPD_1:
 353		tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
 354		if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
 355			connected = true;
 356		break;
 357	case RADEON_HPD_2:
 358		tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
 359		if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
 360			connected = true;
 361		break;
 362	default:
 363		break;
 364	}
 365	return connected;
 366}
 367
 368void rs600_hpd_set_polarity(struct radeon_device *rdev,
 369			    enum radeon_hpd_id hpd)
 370{
 371	u32 tmp;
 372	bool connected = rs600_hpd_sense(rdev, hpd);
 373
 374	switch (hpd) {
 375	case RADEON_HPD_1:
 376		tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 377		if (connected)
 378			tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 379		else
 380			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 381		WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 382		break;
 383	case RADEON_HPD_2:
 384		tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 385		if (connected)
 386			tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 387		else
 388			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 389		WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 390		break;
 391	default:
 392		break;
 393	}
 394}
 395
 396void rs600_hpd_init(struct radeon_device *rdev)
 397{
 398	struct drm_device *dev = rdev->ddev;
 399	struct drm_connector *connector;
 400	unsigned enable = 0;
 401
 402	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 403		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 404		switch (radeon_connector->hpd.hpd) {
 405		case RADEON_HPD_1:
 406			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 407			       S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
 408			break;
 409		case RADEON_HPD_2:
 410			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 411			       S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
 412			break;
 413		default:
 414			break;
 415		}
 416		enable |= 1 << radeon_connector->hpd.hpd;
 417		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 418	}
 419	radeon_irq_kms_enable_hpd(rdev, enable);
 420}
 421
 422void rs600_hpd_fini(struct radeon_device *rdev)
 423{
 424	struct drm_device *dev = rdev->ddev;
 425	struct drm_connector *connector;
 426	unsigned disable = 0;
 427
 428	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 429		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 430		switch (radeon_connector->hpd.hpd) {
 431		case RADEON_HPD_1:
 432			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 433			       S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
 434			break;
 435		case RADEON_HPD_2:
 436			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 437			       S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
 438			break;
 439		default:
 440			break;
 441		}
 442		disable |= 1 << radeon_connector->hpd.hpd;
 443	}
 444	radeon_irq_kms_disable_hpd(rdev, disable);
 445}
 446
 447int rs600_asic_reset(struct radeon_device *rdev)
 448{
 449	struct rv515_mc_save save;
 450	u32 status, tmp;
 451	int ret = 0;
 452
 453	status = RREG32(R_000E40_RBBM_STATUS);
 454	if (!G_000E40_GUI_ACTIVE(status)) {
 455		return 0;
 456	}
 457	/* Stops all mc clients */
 458	rv515_mc_stop(rdev, &save);
 459	status = RREG32(R_000E40_RBBM_STATUS);
 460	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 461	/* stop CP */
 462	WREG32(RADEON_CP_CSQ_CNTL, 0);
 463	tmp = RREG32(RADEON_CP_RB_CNTL);
 464	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 465	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 466	WREG32(RADEON_CP_RB_WPTR, 0);
 467	WREG32(RADEON_CP_RB_CNTL, tmp);
 468	pci_save_state(rdev->pdev);
 469	/* disable bus mastering */
 470	pci_clear_master(rdev->pdev);
 471	mdelay(1);
 472	/* reset GA+VAP */
 473	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 474					S_0000F0_SOFT_RESET_GA(1));
 475	RREG32(R_0000F0_RBBM_SOFT_RESET);
 476	mdelay(500);
 477	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 478	mdelay(1);
 479	status = RREG32(R_000E40_RBBM_STATUS);
 480	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 481	/* reset CP */
 482	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 483	RREG32(R_0000F0_RBBM_SOFT_RESET);
 484	mdelay(500);
 485	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 486	mdelay(1);
 487	status = RREG32(R_000E40_RBBM_STATUS);
 488	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 489	/* reset MC */
 490	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
 491	RREG32(R_0000F0_RBBM_SOFT_RESET);
 492	mdelay(500);
 493	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 494	mdelay(1);
 495	status = RREG32(R_000E40_RBBM_STATUS);
 496	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 497	/* restore PCI & busmastering */
 498	pci_restore_state(rdev->pdev);
 499	/* Check if GPU is idle */
 500	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 501		dev_err(rdev->dev, "failed to reset GPU\n");
 502		ret = -1;
 503	} else
 504		dev_info(rdev->dev, "GPU reset succeed\n");
 505	rv515_mc_resume(rdev, &save);
 506	return ret;
 507}
 508
 509/*
 510 * GART.
 511 */
 512void rs600_gart_tlb_flush(struct radeon_device *rdev)
 513{
 514	uint32_t tmp;
 515
 516	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 517	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 518	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 519
 520	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 521	tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
 522	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 523
 524	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 525	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 526	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 527	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 528}
 529
 530static int rs600_gart_init(struct radeon_device *rdev)
 531{
 532	int r;
 533
 534	if (rdev->gart.robj) {
 535		WARN(1, "RS600 GART already initialized\n");
 536		return 0;
 537	}
 538	/* Initialize common gart structure */
 539	r = radeon_gart_init(rdev);
 540	if (r) {
 541		return r;
 542	}
 543	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 544	return radeon_gart_table_vram_alloc(rdev);
 545}
 546
 547static int rs600_gart_enable(struct radeon_device *rdev)
 548{
 549	u32 tmp;
 550	int r, i;
 551
 552	if (rdev->gart.robj == NULL) {
 553		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 554		return -EINVAL;
 555	}
 556	r = radeon_gart_table_vram_pin(rdev);
 557	if (r)
 558		return r;
 
 559	/* Enable bus master */
 560	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
 561	WREG32(RADEON_BUS_CNTL, tmp);
 562	/* FIXME: setup default page */
 563	WREG32_MC(R_000100_MC_PT0_CNTL,
 564		  (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
 565		   S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
 566
 567	for (i = 0; i < 19; i++) {
 568		WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
 569			  S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
 570			  S_00016C_SYSTEM_ACCESS_MODE_MASK(
 571				  V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
 572			  S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
 573				  V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
 574			  S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
 575			  S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
 576			  S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
 577	}
 578	/* enable first context */
 579	WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
 580		  S_000102_ENABLE_PAGE_TABLE(1) |
 581		  S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
 582
 583	/* disable all other contexts */
 584	for (i = 1; i < 8; i++)
 585		WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
 586
 587	/* setup the page table */
 588	WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
 589		  rdev->gart.table_addr);
 590	WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
 591	WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
 592	WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 593
 594	/* System context maps to VRAM space */
 595	WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
 596	WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
 597
 598	/* enable page tables */
 599	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 600	WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
 601	tmp = RREG32_MC(R_000009_MC_CNTL1);
 602	WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
 603	rs600_gart_tlb_flush(rdev);
 604	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 605		 (unsigned)(rdev->mc.gtt_size >> 20),
 606		 (unsigned long long)rdev->gart.table_addr);
 607	rdev->gart.ready = true;
 608	return 0;
 609}
 610
 611static void rs600_gart_disable(struct radeon_device *rdev)
 612{
 613	u32 tmp;
 614
 615	/* FIXME: disable out of gart access */
 616	WREG32_MC(R_000100_MC_PT0_CNTL, 0);
 617	tmp = RREG32_MC(R_000009_MC_CNTL1);
 618	WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
 619	radeon_gart_table_vram_unpin(rdev);
 620}
 621
 622static void rs600_gart_fini(struct radeon_device *rdev)
 623{
 624	radeon_gart_fini(rdev);
 625	rs600_gart_disable(rdev);
 626	radeon_gart_table_vram_free(rdev);
 627}
 628
 629uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags)
 630{
 631	addr = addr & 0xFFFFFFFFFFFFF000ULL;
 632	addr |= R600_PTE_SYSTEM;
 633	if (flags & RADEON_GART_PAGE_VALID)
 634		addr |= R600_PTE_VALID;
 635	if (flags & RADEON_GART_PAGE_READ)
 636		addr |= R600_PTE_READABLE;
 637	if (flags & RADEON_GART_PAGE_WRITE)
 638		addr |= R600_PTE_WRITEABLE;
 639	if (flags & RADEON_GART_PAGE_SNOOP)
 640		addr |= R600_PTE_SNOOPED;
 641	return addr;
 642}
 643
 644void rs600_gart_set_page(struct radeon_device *rdev, unsigned i,
 645			 uint64_t entry)
 646{
 647	void __iomem *ptr = (void *)rdev->gart.ptr;
 648	writeq(entry, ptr + (i * 8));
 
 
 
 
 
 
 
 
 649}
 650
 651int rs600_irq_set(struct radeon_device *rdev)
 652{
 653	uint32_t tmp = 0;
 654	uint32_t mode_int = 0;
 655	u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
 656		~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 657	u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
 658		~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 659	u32 hdmi0;
 660	if (ASIC_IS_DCE2(rdev))
 661		hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
 662			~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 663	else
 664		hdmi0 = 0;
 665
 666	if (!rdev->irq.installed) {
 667		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 668		WREG32(R_000040_GEN_INT_CNTL, 0);
 669		return -EINVAL;
 670	}
 671	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 672		tmp |= S_000040_SW_INT_EN(1);
 673	}
 674	if (rdev->irq.crtc_vblank_int[0] ||
 675	    atomic_read(&rdev->irq.pflip[0])) {
 676		mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
 677	}
 678	if (rdev->irq.crtc_vblank_int[1] ||
 679	    atomic_read(&rdev->irq.pflip[1])) {
 680		mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
 681	}
 682	if (rdev->irq.hpd[0]) {
 683		hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 684	}
 685	if (rdev->irq.hpd[1]) {
 686		hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 687	}
 688	if (rdev->irq.afmt[0]) {
 689		hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 690	}
 691	WREG32(R_000040_GEN_INT_CNTL, tmp);
 692	WREG32(R_006540_DxMODE_INT_MASK, mode_int);
 693	WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
 694	WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 695	if (ASIC_IS_DCE2(rdev))
 696		WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
 697
 698	/* posting read */
 699	RREG32(R_000040_GEN_INT_CNTL);
 700
 701	return 0;
 702}
 703
 704static inline u32 rs600_irq_ack(struct radeon_device *rdev)
 705{
 706	uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
 707	uint32_t irq_mask = S_000044_SW_INT(1);
 708	u32 tmp;
 709
 710	if (G_000044_DISPLAY_INT_STAT(irqs)) {
 711		rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
 712		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 713			WREG32(R_006534_D1MODE_VBLANK_STATUS,
 714				S_006534_D1MODE_VBLANK_ACK(1));
 715		}
 716		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 717			WREG32(R_006D34_D2MODE_VBLANK_STATUS,
 718				S_006D34_D2MODE_VBLANK_ACK(1));
 719		}
 720		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 721			tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 722			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
 723			WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 724		}
 725		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 726			tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 727			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
 728			WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 729		}
 730	} else {
 731		rdev->irq.stat_regs.r500.disp_int = 0;
 732	}
 733
 734	if (ASIC_IS_DCE2(rdev)) {
 735		rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
 736			S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
 737		if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
 738			tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
 739			tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
 740			WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
 741		}
 742	} else
 743		rdev->irq.stat_regs.r500.hdmi0_status = 0;
 744
 745	if (irqs) {
 746		WREG32(R_000044_GEN_INT_STATUS, irqs);
 747	}
 748	return irqs & irq_mask;
 749}
 750
 751void rs600_irq_disable(struct radeon_device *rdev)
 752{
 753	u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
 754		~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 755	WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
 756	WREG32(R_000040_GEN_INT_CNTL, 0);
 757	WREG32(R_006540_DxMODE_INT_MASK, 0);
 758	/* Wait and acknowledge irq */
 759	mdelay(1);
 760	rs600_irq_ack(rdev);
 761}
 762
 763int rs600_irq_process(struct radeon_device *rdev)
 764{
 765	u32 status, msi_rearm;
 766	bool queue_hotplug = false;
 767	bool queue_hdmi = false;
 768
 769	status = rs600_irq_ack(rdev);
 770	if (!status &&
 771	    !rdev->irq.stat_regs.r500.disp_int &&
 772	    !rdev->irq.stat_regs.r500.hdmi0_status) {
 773		return IRQ_NONE;
 774	}
 775	while (status ||
 776	       rdev->irq.stat_regs.r500.disp_int ||
 777	       rdev->irq.stat_regs.r500.hdmi0_status) {
 778		/* SW interrupt */
 779		if (G_000044_SW_INT(status)) {
 780			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 781		}
 782		/* Vertical blank interrupts */
 783		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 784			if (rdev->irq.crtc_vblank_int[0]) {
 785				drm_handle_vblank(rdev->ddev, 0);
 786				rdev->pm.vblank_sync = true;
 787				wake_up(&rdev->irq.vblank_queue);
 788			}
 789			if (atomic_read(&rdev->irq.pflip[0]))
 790				radeon_crtc_handle_vblank(rdev, 0);
 791		}
 792		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 793			if (rdev->irq.crtc_vblank_int[1]) {
 794				drm_handle_vblank(rdev->ddev, 1);
 795				rdev->pm.vblank_sync = true;
 796				wake_up(&rdev->irq.vblank_queue);
 797			}
 798			if (atomic_read(&rdev->irq.pflip[1]))
 799				radeon_crtc_handle_vblank(rdev, 1);
 800		}
 801		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 802			queue_hotplug = true;
 803			DRM_DEBUG("HPD1\n");
 804		}
 805		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 806			queue_hotplug = true;
 807			DRM_DEBUG("HPD2\n");
 808		}
 809		if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
 810			queue_hdmi = true;
 811			DRM_DEBUG("HDMI0\n");
 812		}
 813		status = rs600_irq_ack(rdev);
 814	}
 815	if (queue_hotplug)
 816		schedule_delayed_work(&rdev->hotplug_work, 0);
 817	if (queue_hdmi)
 818		schedule_work(&rdev->audio_work);
 819	if (rdev->msi_enabled) {
 820		switch (rdev->family) {
 821		case CHIP_RS600:
 822		case CHIP_RS690:
 823		case CHIP_RS740:
 824			msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
 825			WREG32(RADEON_BUS_CNTL, msi_rearm);
 826			WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
 827			break;
 828		default:
 829			WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 830			break;
 831		}
 832	}
 833	return IRQ_HANDLED;
 834}
 835
 836u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
 837{
 838	if (crtc == 0)
 839		return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
 840	else
 841		return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
 842}
 843
 844int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 845{
 846	unsigned i;
 847
 848	for (i = 0; i < rdev->usec_timeout; i++) {
 849		if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
 850			return 0;
 851		udelay(1);
 852	}
 853	return -1;
 854}
 855
 856static void rs600_gpu_init(struct radeon_device *rdev)
 857{
 858	r420_pipes_init(rdev);
 859	/* Wait for mc idle */
 860	if (rs600_mc_wait_for_idle(rdev))
 861		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 862}
 863
 864static void rs600_mc_init(struct radeon_device *rdev)
 865{
 866	u64 base;
 867
 868	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
 869	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
 870	rdev->mc.vram_is_ddr = true;
 871	rdev->mc.vram_width = 128;
 872	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 873	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 874	rdev->mc.visible_vram_size = rdev->mc.aper_size;
 875	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 876	base = RREG32_MC(R_000004_MC_FB_LOCATION);
 877	base = G_000004_MC_FB_START(base) << 16;
 878	radeon_vram_location(rdev, &rdev->mc, base);
 879	rdev->mc.gtt_base_align = 0;
 880	radeon_gtt_location(rdev, &rdev->mc);
 881	radeon_update_bandwidth_info(rdev);
 882}
 883
 884void rs600_bandwidth_update(struct radeon_device *rdev)
 885{
 886	struct drm_display_mode *mode0 = NULL;
 887	struct drm_display_mode *mode1 = NULL;
 888	u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 889	/* FIXME: implement full support */
 890
 891	if (!rdev->mode_info.mode_config_initialized)
 892		return;
 893
 894	radeon_update_display_priority(rdev);
 895
 896	if (rdev->mode_info.crtcs[0]->base.enabled)
 897		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 898	if (rdev->mode_info.crtcs[1]->base.enabled)
 899		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
 900
 901	rs690_line_buffer_adjust(rdev, mode0, mode1);
 902
 903	if (rdev->disp_priority == 2) {
 904		d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
 905		d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
 906		d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 907		d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 908		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
 909		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 910		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 911		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 912	}
 913}
 914
 915uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 916{
 917	unsigned long flags;
 918	u32 r;
 919
 920	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 921	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 922		S_000070_MC_IND_CITF_ARB0(1));
 923	r = RREG32(R_000074_MC_IND_DATA);
 924	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 925	return r;
 926}
 927
 928void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 929{
 930	unsigned long flags;
 931
 932	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 933	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 934		S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
 935	WREG32(R_000074_MC_IND_DATA, v);
 936	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 937}
 938
 939static void rs600_debugfs(struct radeon_device *rdev)
 940{
 941	if (r100_debugfs_rbbm_init(rdev))
 942		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
 943}
 944
 945void rs600_set_safe_registers(struct radeon_device *rdev)
 946{
 947	rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
 948	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
 949}
 950
 951static void rs600_mc_program(struct radeon_device *rdev)
 952{
 953	struct rv515_mc_save save;
 954
 955	/* Stops all mc clients */
 956	rv515_mc_stop(rdev, &save);
 957
 958	/* Wait for mc idle */
 959	if (rs600_mc_wait_for_idle(rdev))
 960		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 961
 962	/* FIXME: What does AGP means for such chipset ? */
 963	WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
 964	WREG32_MC(R_000006_AGP_BASE, 0);
 965	WREG32_MC(R_000007_AGP_BASE_2, 0);
 966	/* Program MC */
 967	WREG32_MC(R_000004_MC_FB_LOCATION,
 968			S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
 969			S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
 970	WREG32(R_000134_HDP_FB_LOCATION,
 971		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 972
 973	rv515_mc_resume(rdev, &save);
 974}
 975
 976static int rs600_startup(struct radeon_device *rdev)
 977{
 978	int r;
 979
 980	rs600_mc_program(rdev);
 981	/* Resume clock */
 982	rv515_clock_startup(rdev);
 983	/* Initialize GPU configuration (# pipes, ...) */
 984	rs600_gpu_init(rdev);
 985	/* Initialize GART (initialize after TTM so we can allocate
 986	 * memory through TTM but finalize after TTM) */
 987	r = rs600_gart_enable(rdev);
 988	if (r)
 989		return r;
 990
 991	/* allocate wb buffer */
 992	r = radeon_wb_init(rdev);
 993	if (r)
 994		return r;
 995
 996	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
 997	if (r) {
 998		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
 999		return r;
1000	}
1001
1002	/* Enable IRQ */
1003	if (!rdev->irq.installed) {
1004		r = radeon_irq_kms_init(rdev);
1005		if (r)
1006			return r;
1007	}
1008
1009	rs600_irq_set(rdev);
1010	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1011	/* 1M ring buffer */
1012	r = r100_cp_init(rdev, 1024 * 1024);
1013	if (r) {
1014		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1015		return r;
1016	}
1017
1018	r = radeon_ib_pool_init(rdev);
1019	if (r) {
1020		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1021		return r;
1022	}
1023
1024	r = radeon_audio_init(rdev);
1025	if (r) {
1026		dev_err(rdev->dev, "failed initializing audio\n");
1027		return r;
1028	}
1029
1030	return 0;
1031}
1032
1033int rs600_resume(struct radeon_device *rdev)
1034{
1035	int r;
1036
1037	/* Make sur GART are not working */
1038	rs600_gart_disable(rdev);
1039	/* Resume clock before doing reset */
1040	rv515_clock_startup(rdev);
1041	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1042	if (radeon_asic_reset(rdev)) {
1043		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1044			RREG32(R_000E40_RBBM_STATUS),
1045			RREG32(R_0007C0_CP_STAT));
1046	}
1047	/* post */
1048	atom_asic_init(rdev->mode_info.atom_context);
1049	/* Resume clock after posting */
1050	rv515_clock_startup(rdev);
1051	/* Initialize surface registers */
1052	radeon_surface_init(rdev);
1053
1054	rdev->accel_working = true;
1055	r = rs600_startup(rdev);
1056	if (r) {
1057		rdev->accel_working = false;
1058	}
1059	return r;
1060}
1061
1062int rs600_suspend(struct radeon_device *rdev)
1063{
1064	radeon_pm_suspend(rdev);
1065	radeon_audio_fini(rdev);
1066	r100_cp_disable(rdev);
1067	radeon_wb_disable(rdev);
1068	rs600_irq_disable(rdev);
1069	rs600_gart_disable(rdev);
1070	return 0;
1071}
1072
1073void rs600_fini(struct radeon_device *rdev)
1074{
1075	radeon_pm_fini(rdev);
1076	radeon_audio_fini(rdev);
1077	r100_cp_fini(rdev);
1078	radeon_wb_fini(rdev);
1079	radeon_ib_pool_fini(rdev);
1080	radeon_gem_fini(rdev);
1081	rs600_gart_fini(rdev);
1082	radeon_irq_kms_fini(rdev);
1083	radeon_fence_driver_fini(rdev);
1084	radeon_bo_fini(rdev);
1085	radeon_atombios_fini(rdev);
1086	kfree(rdev->bios);
1087	rdev->bios = NULL;
1088}
1089
1090int rs600_init(struct radeon_device *rdev)
1091{
1092	int r;
1093
1094	/* Disable VGA */
1095	rv515_vga_render_disable(rdev);
1096	/* Initialize scratch registers */
1097	radeon_scratch_init(rdev);
1098	/* Initialize surface registers */
1099	radeon_surface_init(rdev);
1100	/* restore some register to sane defaults */
1101	r100_restore_sanity(rdev);
1102	/* BIOS */
1103	if (!radeon_get_bios(rdev)) {
1104		if (ASIC_IS_AVIVO(rdev))
1105			return -EINVAL;
1106	}
1107	if (rdev->is_atom_bios) {
1108		r = radeon_atombios_init(rdev);
1109		if (r)
1110			return r;
1111	} else {
1112		dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1113		return -EINVAL;
1114	}
1115	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1116	if (radeon_asic_reset(rdev)) {
1117		dev_warn(rdev->dev,
1118			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1119			RREG32(R_000E40_RBBM_STATUS),
1120			RREG32(R_0007C0_CP_STAT));
1121	}
1122	/* check if cards are posted or not */
1123	if (radeon_boot_test_post_card(rdev) == false)
1124		return -EINVAL;
1125
1126	/* Initialize clocks */
1127	radeon_get_clock_info(rdev->ddev);
1128	/* initialize memory controller */
1129	rs600_mc_init(rdev);
1130	rs600_debugfs(rdev);
1131	/* Fence driver */
1132	r = radeon_fence_driver_init(rdev);
1133	if (r)
1134		return r;
1135	/* Memory manager */
1136	r = radeon_bo_init(rdev);
1137	if (r)
1138		return r;
1139	r = rs600_gart_init(rdev);
1140	if (r)
1141		return r;
1142	rs600_set_safe_registers(rdev);
1143
1144	/* Initialize power management */
1145	radeon_pm_init(rdev);
1146
1147	rdev->accel_working = true;
1148	r = rs600_startup(rdev);
1149	if (r) {
1150		/* Somethings want wront with the accel init stop accel */
1151		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1152		r100_cp_fini(rdev);
1153		radeon_wb_fini(rdev);
1154		radeon_ib_pool_fini(rdev);
1155		rs600_gart_fini(rdev);
1156		radeon_irq_kms_fini(rdev);
1157		rdev->accel_working = false;
1158	}
1159	return 0;
1160}
v3.15
   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/* RS600 / Radeon X1250/X1270 integrated GPU
  29 *
  30 * This file gather function specific to RS600 which is the IGP of
  31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740
  32 * is the X1250/X1270 supporting AMD CPU). The display engine are
  33 * the avivo one, bios is an atombios, 3D block are the one of the
  34 * R4XX family. The GART is different from the RS400 one and is very
  35 * close to the one of the R600 family (R600 likely being an evolution
  36 * of the RS600 GART block).
  37 */
  38#include <drm/drmP.h>
  39#include "radeon.h"
  40#include "radeon_asic.h"
 
  41#include "atom.h"
  42#include "rs600d.h"
  43
  44#include "rs600_reg_safe.h"
  45
  46static void rs600_gpu_init(struct radeon_device *rdev);
  47int rs600_mc_wait_for_idle(struct radeon_device *rdev);
  48
  49static const u32 crtc_offsets[2] =
  50{
  51	0,
  52	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  53};
  54
  55static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc)
  56{
  57	if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK)
  58		return true;
  59	else
  60		return false;
  61}
  62
  63static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc)
  64{
  65	u32 pos1, pos2;
  66
  67	pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
  68	pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]);
  69
  70	if (pos1 != pos2)
  71		return true;
  72	else
  73		return false;
  74}
  75
  76/**
  77 * avivo_wait_for_vblank - vblank wait asic callback.
  78 *
  79 * @rdev: radeon_device pointer
  80 * @crtc: crtc to wait for vblank on
  81 *
  82 * Wait for vblank on the requested crtc (r5xx-r7xx).
  83 */
  84void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc)
  85{
  86	unsigned i = 0;
  87
  88	if (crtc >= rdev->num_crtc)
  89		return;
  90
  91	if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN))
  92		return;
  93
  94	/* depending on when we hit vblank, we may be close to active; if so,
  95	 * wait for another frame.
  96	 */
  97	while (avivo_is_in_vblank(rdev, crtc)) {
  98		if (i++ % 100 == 0) {
  99			if (!avivo_is_counter_moving(rdev, crtc))
 100				break;
 101		}
 102	}
 103
 104	while (!avivo_is_in_vblank(rdev, crtc)) {
 105		if (i++ % 100 == 0) {
 106			if (!avivo_is_counter_moving(rdev, crtc))
 107				break;
 108		}
 109	}
 110}
 111
 112void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
 113{
 114	/* enable the pflip int */
 115	radeon_irq_kms_pflip_irq_get(rdev, crtc);
 116}
 117
 118void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
 119{
 120	/* disable the pflip int */
 121	radeon_irq_kms_pflip_irq_put(rdev, crtc);
 122}
 123
 124u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 125{
 126	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 127	u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
 128	int i;
 129
 130	/* Lock the graphics update lock */
 131	tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
 132	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 133
 134	/* update the scanout addresses */
 135	WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 136	       (u32)crtc_base);
 137	WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 138	       (u32)crtc_base);
 139
 140	/* Wait for update_pending to go high. */
 141	for (i = 0; i < rdev->usec_timeout; i++) {
 142		if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
 143			break;
 144		udelay(1);
 145	}
 146	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 147
 148	/* Unlock the lock, so double-buffering can take place inside vblank */
 149	tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 150	WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 
 
 
 
 
 151
 152	/* Return current update_pending status: */
 153	return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
 
 154}
 155
 156void avivo_program_fmt(struct drm_encoder *encoder)
 157{
 158	struct drm_device *dev = encoder->dev;
 159	struct radeon_device *rdev = dev->dev_private;
 160	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 161	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 162	int bpc = 0;
 163	u32 tmp = 0;
 164	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 165
 166	if (connector) {
 167		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 168		bpc = radeon_get_monitor_bpc(connector);
 169		dither = radeon_connector->dither;
 170	}
 171
 172	/* LVDS FMT is set up by atom */
 173	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 174		return;
 175
 176	if (bpc == 0)
 177		return;
 178
 179	switch (bpc) {
 180	case 6:
 181		if (dither == RADEON_FMT_DITHER_ENABLE)
 182			/* XXX sort out optimal dither settings */
 183			tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN;
 184		else
 185			tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN;
 186		break;
 187	case 8:
 188		if (dither == RADEON_FMT_DITHER_ENABLE)
 189			/* XXX sort out optimal dither settings */
 190			tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN |
 191				AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH);
 192		else
 193			tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN |
 194				AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH);
 195		break;
 196	case 10:
 197	default:
 198		/* not needed */
 199		break;
 200	}
 201
 202	switch (radeon_encoder->encoder_id) {
 203	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
 204		WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp);
 205		break;
 206	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
 207		WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp);
 208		break;
 209	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
 210		WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp);
 211		break;
 212	case ENCODER_OBJECT_ID_INTERNAL_DDI:
 213		WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp);
 214		break;
 215	default:
 216		break;
 217	}
 218}
 219
 220void rs600_pm_misc(struct radeon_device *rdev)
 221{
 222	int requested_index = rdev->pm.requested_power_state_index;
 223	struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 224	struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 225	u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
 226	u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
 227
 228	if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 229		if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 230			tmp = RREG32(voltage->gpio.reg);
 231			if (voltage->active_high)
 232				tmp |= voltage->gpio.mask;
 233			else
 234				tmp &= ~(voltage->gpio.mask);
 235			WREG32(voltage->gpio.reg, tmp);
 236			if (voltage->delay)
 237				udelay(voltage->delay);
 238		} else {
 239			tmp = RREG32(voltage->gpio.reg);
 240			if (voltage->active_high)
 241				tmp &= ~voltage->gpio.mask;
 242			else
 243				tmp |= voltage->gpio.mask;
 244			WREG32(voltage->gpio.reg, tmp);
 245			if (voltage->delay)
 246				udelay(voltage->delay);
 247		}
 248	} else if (voltage->type == VOLTAGE_VDDC)
 249		radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
 250
 251	dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
 252	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
 253	dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
 254	if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 255		if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
 256			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
 257			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
 258		} else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
 259			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
 260			dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
 261		}
 262	} else {
 263		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
 264		dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
 265	}
 266	WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
 267
 268	dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
 269	if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 270		dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
 271		if (voltage->delay) {
 272			dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
 273			dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
 274		} else
 275			dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
 276	} else
 277		dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
 278	WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
 279
 280	hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
 281	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 282		hdp_dyn_cntl &= ~HDP_FORCEON;
 283	else
 284		hdp_dyn_cntl |= HDP_FORCEON;
 285	WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
 286#if 0
 287	/* mc_host_dyn seems to cause hangs from time to time */
 288	mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
 289	if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
 290		mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
 291	else
 292		mc_host_dyn_cntl |= MC_HOST_FORCEON;
 293	WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
 294#endif
 295	dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
 296	if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
 297		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
 298	else
 299		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
 300	WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
 301
 302	/* set pcie lanes */
 303	if ((rdev->flags & RADEON_IS_PCIE) &&
 304	    !(rdev->flags & RADEON_IS_IGP) &&
 305	    rdev->asic->pm.set_pcie_lanes &&
 306	    (ps->pcie_lanes !=
 307	     rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 308		radeon_set_pcie_lanes(rdev,
 309				      ps->pcie_lanes);
 310		DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 311	}
 312}
 313
 314void rs600_pm_prepare(struct radeon_device *rdev)
 315{
 316	struct drm_device *ddev = rdev->ddev;
 317	struct drm_crtc *crtc;
 318	struct radeon_crtc *radeon_crtc;
 319	u32 tmp;
 320
 321	/* disable any active CRTCs */
 322	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 323		radeon_crtc = to_radeon_crtc(crtc);
 324		if (radeon_crtc->enabled) {
 325			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 326			tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 327			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 328		}
 329	}
 330}
 331
 332void rs600_pm_finish(struct radeon_device *rdev)
 333{
 334	struct drm_device *ddev = rdev->ddev;
 335	struct drm_crtc *crtc;
 336	struct radeon_crtc *radeon_crtc;
 337	u32 tmp;
 338
 339	/* enable any active CRTCs */
 340	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 341		radeon_crtc = to_radeon_crtc(crtc);
 342		if (radeon_crtc->enabled) {
 343			tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 344			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 345			WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 346		}
 347	}
 348}
 349
 350/* hpd for digital panel detect/disconnect */
 351bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 352{
 353	u32 tmp;
 354	bool connected = false;
 355
 356	switch (hpd) {
 357	case RADEON_HPD_1:
 358		tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
 359		if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
 360			connected = true;
 361		break;
 362	case RADEON_HPD_2:
 363		tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
 364		if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
 365			connected = true;
 366		break;
 367	default:
 368		break;
 369	}
 370	return connected;
 371}
 372
 373void rs600_hpd_set_polarity(struct radeon_device *rdev,
 374			    enum radeon_hpd_id hpd)
 375{
 376	u32 tmp;
 377	bool connected = rs600_hpd_sense(rdev, hpd);
 378
 379	switch (hpd) {
 380	case RADEON_HPD_1:
 381		tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 382		if (connected)
 383			tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 384		else
 385			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 386		WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 387		break;
 388	case RADEON_HPD_2:
 389		tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 390		if (connected)
 391			tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 392		else
 393			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 394		WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 395		break;
 396	default:
 397		break;
 398	}
 399}
 400
 401void rs600_hpd_init(struct radeon_device *rdev)
 402{
 403	struct drm_device *dev = rdev->ddev;
 404	struct drm_connector *connector;
 405	unsigned enable = 0;
 406
 407	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 408		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 409		switch (radeon_connector->hpd.hpd) {
 410		case RADEON_HPD_1:
 411			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 412			       S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
 413			break;
 414		case RADEON_HPD_2:
 415			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 416			       S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
 417			break;
 418		default:
 419			break;
 420		}
 421		enable |= 1 << radeon_connector->hpd.hpd;
 422		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 423	}
 424	radeon_irq_kms_enable_hpd(rdev, enable);
 425}
 426
 427void rs600_hpd_fini(struct radeon_device *rdev)
 428{
 429	struct drm_device *dev = rdev->ddev;
 430	struct drm_connector *connector;
 431	unsigned disable = 0;
 432
 433	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 434		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 435		switch (radeon_connector->hpd.hpd) {
 436		case RADEON_HPD_1:
 437			WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 438			       S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
 439			break;
 440		case RADEON_HPD_2:
 441			WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 442			       S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
 443			break;
 444		default:
 445			break;
 446		}
 447		disable |= 1 << radeon_connector->hpd.hpd;
 448	}
 449	radeon_irq_kms_disable_hpd(rdev, disable);
 450}
 451
 452int rs600_asic_reset(struct radeon_device *rdev)
 453{
 454	struct rv515_mc_save save;
 455	u32 status, tmp;
 456	int ret = 0;
 457
 458	status = RREG32(R_000E40_RBBM_STATUS);
 459	if (!G_000E40_GUI_ACTIVE(status)) {
 460		return 0;
 461	}
 462	/* Stops all mc clients */
 463	rv515_mc_stop(rdev, &save);
 464	status = RREG32(R_000E40_RBBM_STATUS);
 465	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 466	/* stop CP */
 467	WREG32(RADEON_CP_CSQ_CNTL, 0);
 468	tmp = RREG32(RADEON_CP_RB_CNTL);
 469	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 470	WREG32(RADEON_CP_RB_RPTR_WR, 0);
 471	WREG32(RADEON_CP_RB_WPTR, 0);
 472	WREG32(RADEON_CP_RB_CNTL, tmp);
 473	pci_save_state(rdev->pdev);
 474	/* disable bus mastering */
 475	pci_clear_master(rdev->pdev);
 476	mdelay(1);
 477	/* reset GA+VAP */
 478	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 479					S_0000F0_SOFT_RESET_GA(1));
 480	RREG32(R_0000F0_RBBM_SOFT_RESET);
 481	mdelay(500);
 482	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 483	mdelay(1);
 484	status = RREG32(R_000E40_RBBM_STATUS);
 485	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 486	/* reset CP */
 487	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 488	RREG32(R_0000F0_RBBM_SOFT_RESET);
 489	mdelay(500);
 490	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 491	mdelay(1);
 492	status = RREG32(R_000E40_RBBM_STATUS);
 493	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 494	/* reset MC */
 495	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
 496	RREG32(R_0000F0_RBBM_SOFT_RESET);
 497	mdelay(500);
 498	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 499	mdelay(1);
 500	status = RREG32(R_000E40_RBBM_STATUS);
 501	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 502	/* restore PCI & busmastering */
 503	pci_restore_state(rdev->pdev);
 504	/* Check if GPU is idle */
 505	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 506		dev_err(rdev->dev, "failed to reset GPU\n");
 507		ret = -1;
 508	} else
 509		dev_info(rdev->dev, "GPU reset succeed\n");
 510	rv515_mc_resume(rdev, &save);
 511	return ret;
 512}
 513
 514/*
 515 * GART.
 516 */
 517void rs600_gart_tlb_flush(struct radeon_device *rdev)
 518{
 519	uint32_t tmp;
 520
 521	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 522	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 523	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 524
 525	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 526	tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
 527	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 528
 529	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 530	tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 531	WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 532	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 533}
 534
 535static int rs600_gart_init(struct radeon_device *rdev)
 536{
 537	int r;
 538
 539	if (rdev->gart.robj) {
 540		WARN(1, "RS600 GART already initialized\n");
 541		return 0;
 542	}
 543	/* Initialize common gart structure */
 544	r = radeon_gart_init(rdev);
 545	if (r) {
 546		return r;
 547	}
 548	rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 549	return radeon_gart_table_vram_alloc(rdev);
 550}
 551
 552static int rs600_gart_enable(struct radeon_device *rdev)
 553{
 554	u32 tmp;
 555	int r, i;
 556
 557	if (rdev->gart.robj == NULL) {
 558		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 559		return -EINVAL;
 560	}
 561	r = radeon_gart_table_vram_pin(rdev);
 562	if (r)
 563		return r;
 564	radeon_gart_restore(rdev);
 565	/* Enable bus master */
 566	tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
 567	WREG32(RADEON_BUS_CNTL, tmp);
 568	/* FIXME: setup default page */
 569	WREG32_MC(R_000100_MC_PT0_CNTL,
 570		  (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
 571		   S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
 572
 573	for (i = 0; i < 19; i++) {
 574		WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
 575			  S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
 576			  S_00016C_SYSTEM_ACCESS_MODE_MASK(
 577				  V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
 578			  S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
 579				  V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
 580			  S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
 581			  S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
 582			  S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
 583	}
 584	/* enable first context */
 585	WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
 586		  S_000102_ENABLE_PAGE_TABLE(1) |
 587		  S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
 588
 589	/* disable all other contexts */
 590	for (i = 1; i < 8; i++)
 591		WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
 592
 593	/* setup the page table */
 594	WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
 595		  rdev->gart.table_addr);
 596	WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
 597	WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
 598	WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 599
 600	/* System context maps to VRAM space */
 601	WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
 602	WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
 603
 604	/* enable page tables */
 605	tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 606	WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
 607	tmp = RREG32_MC(R_000009_MC_CNTL1);
 608	WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
 609	rs600_gart_tlb_flush(rdev);
 610	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 611		 (unsigned)(rdev->mc.gtt_size >> 20),
 612		 (unsigned long long)rdev->gart.table_addr);
 613	rdev->gart.ready = true;
 614	return 0;
 615}
 616
 617static void rs600_gart_disable(struct radeon_device *rdev)
 618{
 619	u32 tmp;
 620
 621	/* FIXME: disable out of gart access */
 622	WREG32_MC(R_000100_MC_PT0_CNTL, 0);
 623	tmp = RREG32_MC(R_000009_MC_CNTL1);
 624	WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
 625	radeon_gart_table_vram_unpin(rdev);
 626}
 627
 628static void rs600_gart_fini(struct radeon_device *rdev)
 629{
 630	radeon_gart_fini(rdev);
 631	rs600_gart_disable(rdev);
 632	radeon_gart_table_vram_free(rdev);
 633}
 634
 635#define R600_PTE_VALID     (1 << 0)
 636#define R600_PTE_SYSTEM    (1 << 1)
 637#define R600_PTE_SNOOPED   (1 << 2)
 638#define R600_PTE_READABLE  (1 << 5)
 639#define R600_PTE_WRITEABLE (1 << 6)
 
 
 
 
 
 
 
 
 
 640
 641int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 
 642{
 643	void __iomem *ptr = (void *)rdev->gart.ptr;
 644
 645	if (i < 0 || i > rdev->gart.num_gpu_pages) {
 646		return -EINVAL;
 647	}
 648	addr = addr & 0xFFFFFFFFFFFFF000ULL;
 649	addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
 650	addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
 651	writeq(addr, ptr + (i * 8));
 652	return 0;
 653}
 654
 655int rs600_irq_set(struct radeon_device *rdev)
 656{
 657	uint32_t tmp = 0;
 658	uint32_t mode_int = 0;
 659	u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
 660		~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 661	u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
 662		~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 663	u32 hdmi0;
 664	if (ASIC_IS_DCE2(rdev))
 665		hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
 666			~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 667	else
 668		hdmi0 = 0;
 669
 670	if (!rdev->irq.installed) {
 671		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 672		WREG32(R_000040_GEN_INT_CNTL, 0);
 673		return -EINVAL;
 674	}
 675	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 676		tmp |= S_000040_SW_INT_EN(1);
 677	}
 678	if (rdev->irq.crtc_vblank_int[0] ||
 679	    atomic_read(&rdev->irq.pflip[0])) {
 680		mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
 681	}
 682	if (rdev->irq.crtc_vblank_int[1] ||
 683	    atomic_read(&rdev->irq.pflip[1])) {
 684		mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
 685	}
 686	if (rdev->irq.hpd[0]) {
 687		hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 688	}
 689	if (rdev->irq.hpd[1]) {
 690		hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 691	}
 692	if (rdev->irq.afmt[0]) {
 693		hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 694	}
 695	WREG32(R_000040_GEN_INT_CNTL, tmp);
 696	WREG32(R_006540_DxMODE_INT_MASK, mode_int);
 697	WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
 698	WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 699	if (ASIC_IS_DCE2(rdev))
 700		WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
 
 
 
 
 701	return 0;
 702}
 703
 704static inline u32 rs600_irq_ack(struct radeon_device *rdev)
 705{
 706	uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
 707	uint32_t irq_mask = S_000044_SW_INT(1);
 708	u32 tmp;
 709
 710	if (G_000044_DISPLAY_INT_STAT(irqs)) {
 711		rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
 712		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 713			WREG32(R_006534_D1MODE_VBLANK_STATUS,
 714				S_006534_D1MODE_VBLANK_ACK(1));
 715		}
 716		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 717			WREG32(R_006D34_D2MODE_VBLANK_STATUS,
 718				S_006D34_D2MODE_VBLANK_ACK(1));
 719		}
 720		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 721			tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 722			tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
 723			WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 724		}
 725		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 726			tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 727			tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
 728			WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 729		}
 730	} else {
 731		rdev->irq.stat_regs.r500.disp_int = 0;
 732	}
 733
 734	if (ASIC_IS_DCE2(rdev)) {
 735		rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) &
 736			S_007404_HDMI0_AZ_FORMAT_WTRIG(1);
 737		if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
 738			tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL);
 739			tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1);
 740			WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp);
 741		}
 742	} else
 743		rdev->irq.stat_regs.r500.hdmi0_status = 0;
 744
 745	if (irqs) {
 746		WREG32(R_000044_GEN_INT_STATUS, irqs);
 747	}
 748	return irqs & irq_mask;
 749}
 750
 751void rs600_irq_disable(struct radeon_device *rdev)
 752{
 753	u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) &
 754		~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1);
 755	WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
 756	WREG32(R_000040_GEN_INT_CNTL, 0);
 757	WREG32(R_006540_DxMODE_INT_MASK, 0);
 758	/* Wait and acknowledge irq */
 759	mdelay(1);
 760	rs600_irq_ack(rdev);
 761}
 762
 763int rs600_irq_process(struct radeon_device *rdev)
 764{
 765	u32 status, msi_rearm;
 766	bool queue_hotplug = false;
 767	bool queue_hdmi = false;
 768
 769	status = rs600_irq_ack(rdev);
 770	if (!status &&
 771	    !rdev->irq.stat_regs.r500.disp_int &&
 772	    !rdev->irq.stat_regs.r500.hdmi0_status) {
 773		return IRQ_NONE;
 774	}
 775	while (status ||
 776	       rdev->irq.stat_regs.r500.disp_int ||
 777	       rdev->irq.stat_regs.r500.hdmi0_status) {
 778		/* SW interrupt */
 779		if (G_000044_SW_INT(status)) {
 780			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 781		}
 782		/* Vertical blank interrupts */
 783		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 784			if (rdev->irq.crtc_vblank_int[0]) {
 785				drm_handle_vblank(rdev->ddev, 0);
 786				rdev->pm.vblank_sync = true;
 787				wake_up(&rdev->irq.vblank_queue);
 788			}
 789			if (atomic_read(&rdev->irq.pflip[0]))
 790				radeon_crtc_handle_flip(rdev, 0);
 791		}
 792		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 793			if (rdev->irq.crtc_vblank_int[1]) {
 794				drm_handle_vblank(rdev->ddev, 1);
 795				rdev->pm.vblank_sync = true;
 796				wake_up(&rdev->irq.vblank_queue);
 797			}
 798			if (atomic_read(&rdev->irq.pflip[1]))
 799				radeon_crtc_handle_flip(rdev, 1);
 800		}
 801		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 802			queue_hotplug = true;
 803			DRM_DEBUG("HPD1\n");
 804		}
 805		if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 806			queue_hotplug = true;
 807			DRM_DEBUG("HPD2\n");
 808		}
 809		if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) {
 810			queue_hdmi = true;
 811			DRM_DEBUG("HDMI0\n");
 812		}
 813		status = rs600_irq_ack(rdev);
 814	}
 815	if (queue_hotplug)
 816		schedule_work(&rdev->hotplug_work);
 817	if (queue_hdmi)
 818		schedule_work(&rdev->audio_work);
 819	if (rdev->msi_enabled) {
 820		switch (rdev->family) {
 821		case CHIP_RS600:
 822		case CHIP_RS690:
 823		case CHIP_RS740:
 824			msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
 825			WREG32(RADEON_BUS_CNTL, msi_rearm);
 826			WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
 827			break;
 828		default:
 829			WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 830			break;
 831		}
 832	}
 833	return IRQ_HANDLED;
 834}
 835
 836u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
 837{
 838	if (crtc == 0)
 839		return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
 840	else
 841		return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
 842}
 843
 844int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 845{
 846	unsigned i;
 847
 848	for (i = 0; i < rdev->usec_timeout; i++) {
 849		if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
 850			return 0;
 851		udelay(1);
 852	}
 853	return -1;
 854}
 855
 856static void rs600_gpu_init(struct radeon_device *rdev)
 857{
 858	r420_pipes_init(rdev);
 859	/* Wait for mc idle */
 860	if (rs600_mc_wait_for_idle(rdev))
 861		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 862}
 863
 864static void rs600_mc_init(struct radeon_device *rdev)
 865{
 866	u64 base;
 867
 868	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
 869	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
 870	rdev->mc.vram_is_ddr = true;
 871	rdev->mc.vram_width = 128;
 872	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 873	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 874	rdev->mc.visible_vram_size = rdev->mc.aper_size;
 875	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 876	base = RREG32_MC(R_000004_MC_FB_LOCATION);
 877	base = G_000004_MC_FB_START(base) << 16;
 878	radeon_vram_location(rdev, &rdev->mc, base);
 879	rdev->mc.gtt_base_align = 0;
 880	radeon_gtt_location(rdev, &rdev->mc);
 881	radeon_update_bandwidth_info(rdev);
 882}
 883
 884void rs600_bandwidth_update(struct radeon_device *rdev)
 885{
 886	struct drm_display_mode *mode0 = NULL;
 887	struct drm_display_mode *mode1 = NULL;
 888	u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 889	/* FIXME: implement full support */
 890
 
 
 
 891	radeon_update_display_priority(rdev);
 892
 893	if (rdev->mode_info.crtcs[0]->base.enabled)
 894		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 895	if (rdev->mode_info.crtcs[1]->base.enabled)
 896		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
 897
 898	rs690_line_buffer_adjust(rdev, mode0, mode1);
 899
 900	if (rdev->disp_priority == 2) {
 901		d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
 902		d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
 903		d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 904		d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 905		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
 906		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 907		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 908		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 909	}
 910}
 911
 912uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 913{
 914	unsigned long flags;
 915	u32 r;
 916
 917	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 918	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 919		S_000070_MC_IND_CITF_ARB0(1));
 920	r = RREG32(R_000074_MC_IND_DATA);
 921	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 922	return r;
 923}
 924
 925void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 926{
 927	unsigned long flags;
 928
 929	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
 930	WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 931		S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
 932	WREG32(R_000074_MC_IND_DATA, v);
 933	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
 934}
 935
 936static void rs600_debugfs(struct radeon_device *rdev)
 937{
 938	if (r100_debugfs_rbbm_init(rdev))
 939		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
 940}
 941
 942void rs600_set_safe_registers(struct radeon_device *rdev)
 943{
 944	rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
 945	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
 946}
 947
 948static void rs600_mc_program(struct radeon_device *rdev)
 949{
 950	struct rv515_mc_save save;
 951
 952	/* Stops all mc clients */
 953	rv515_mc_stop(rdev, &save);
 954
 955	/* Wait for mc idle */
 956	if (rs600_mc_wait_for_idle(rdev))
 957		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 958
 959	/* FIXME: What does AGP means for such chipset ? */
 960	WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
 961	WREG32_MC(R_000006_AGP_BASE, 0);
 962	WREG32_MC(R_000007_AGP_BASE_2, 0);
 963	/* Program MC */
 964	WREG32_MC(R_000004_MC_FB_LOCATION,
 965			S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
 966			S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
 967	WREG32(R_000134_HDP_FB_LOCATION,
 968		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 969
 970	rv515_mc_resume(rdev, &save);
 971}
 972
 973static int rs600_startup(struct radeon_device *rdev)
 974{
 975	int r;
 976
 977	rs600_mc_program(rdev);
 978	/* Resume clock */
 979	rv515_clock_startup(rdev);
 980	/* Initialize GPU configuration (# pipes, ...) */
 981	rs600_gpu_init(rdev);
 982	/* Initialize GART (initialize after TTM so we can allocate
 983	 * memory through TTM but finalize after TTM) */
 984	r = rs600_gart_enable(rdev);
 985	if (r)
 986		return r;
 987
 988	/* allocate wb buffer */
 989	r = radeon_wb_init(rdev);
 990	if (r)
 991		return r;
 992
 993	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
 994	if (r) {
 995		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
 996		return r;
 997	}
 998
 999	/* Enable IRQ */
1000	if (!rdev->irq.installed) {
1001		r = radeon_irq_kms_init(rdev);
1002		if (r)
1003			return r;
1004	}
1005
1006	rs600_irq_set(rdev);
1007	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1008	/* 1M ring buffer */
1009	r = r100_cp_init(rdev, 1024 * 1024);
1010	if (r) {
1011		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1012		return r;
1013	}
1014
1015	r = radeon_ib_pool_init(rdev);
1016	if (r) {
1017		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1018		return r;
1019	}
1020
1021	r = r600_audio_init(rdev);
1022	if (r) {
1023		dev_err(rdev->dev, "failed initializing audio\n");
1024		return r;
1025	}
1026
1027	return 0;
1028}
1029
1030int rs600_resume(struct radeon_device *rdev)
1031{
1032	int r;
1033
1034	/* Make sur GART are not working */
1035	rs600_gart_disable(rdev);
1036	/* Resume clock before doing reset */
1037	rv515_clock_startup(rdev);
1038	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1039	if (radeon_asic_reset(rdev)) {
1040		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1041			RREG32(R_000E40_RBBM_STATUS),
1042			RREG32(R_0007C0_CP_STAT));
1043	}
1044	/* post */
1045	atom_asic_init(rdev->mode_info.atom_context);
1046	/* Resume clock after posting */
1047	rv515_clock_startup(rdev);
1048	/* Initialize surface registers */
1049	radeon_surface_init(rdev);
1050
1051	rdev->accel_working = true;
1052	r = rs600_startup(rdev);
1053	if (r) {
1054		rdev->accel_working = false;
1055	}
1056	return r;
1057}
1058
1059int rs600_suspend(struct radeon_device *rdev)
1060{
1061	radeon_pm_suspend(rdev);
1062	r600_audio_fini(rdev);
1063	r100_cp_disable(rdev);
1064	radeon_wb_disable(rdev);
1065	rs600_irq_disable(rdev);
1066	rs600_gart_disable(rdev);
1067	return 0;
1068}
1069
1070void rs600_fini(struct radeon_device *rdev)
1071{
1072	radeon_pm_fini(rdev);
1073	r600_audio_fini(rdev);
1074	r100_cp_fini(rdev);
1075	radeon_wb_fini(rdev);
1076	radeon_ib_pool_fini(rdev);
1077	radeon_gem_fini(rdev);
1078	rs600_gart_fini(rdev);
1079	radeon_irq_kms_fini(rdev);
1080	radeon_fence_driver_fini(rdev);
1081	radeon_bo_fini(rdev);
1082	radeon_atombios_fini(rdev);
1083	kfree(rdev->bios);
1084	rdev->bios = NULL;
1085}
1086
1087int rs600_init(struct radeon_device *rdev)
1088{
1089	int r;
1090
1091	/* Disable VGA */
1092	rv515_vga_render_disable(rdev);
1093	/* Initialize scratch registers */
1094	radeon_scratch_init(rdev);
1095	/* Initialize surface registers */
1096	radeon_surface_init(rdev);
1097	/* restore some register to sane defaults */
1098	r100_restore_sanity(rdev);
1099	/* BIOS */
1100	if (!radeon_get_bios(rdev)) {
1101		if (ASIC_IS_AVIVO(rdev))
1102			return -EINVAL;
1103	}
1104	if (rdev->is_atom_bios) {
1105		r = radeon_atombios_init(rdev);
1106		if (r)
1107			return r;
1108	} else {
1109		dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
1110		return -EINVAL;
1111	}
1112	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1113	if (radeon_asic_reset(rdev)) {
1114		dev_warn(rdev->dev,
1115			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1116			RREG32(R_000E40_RBBM_STATUS),
1117			RREG32(R_0007C0_CP_STAT));
1118	}
1119	/* check if cards are posted or not */
1120	if (radeon_boot_test_post_card(rdev) == false)
1121		return -EINVAL;
1122
1123	/* Initialize clocks */
1124	radeon_get_clock_info(rdev->ddev);
1125	/* initialize memory controller */
1126	rs600_mc_init(rdev);
1127	rs600_debugfs(rdev);
1128	/* Fence driver */
1129	r = radeon_fence_driver_init(rdev);
1130	if (r)
1131		return r;
1132	/* Memory manager */
1133	r = radeon_bo_init(rdev);
1134	if (r)
1135		return r;
1136	r = rs600_gart_init(rdev);
1137	if (r)
1138		return r;
1139	rs600_set_safe_registers(rdev);
1140
1141	/* Initialize power management */
1142	radeon_pm_init(rdev);
1143
1144	rdev->accel_working = true;
1145	r = rs600_startup(rdev);
1146	if (r) {
1147		/* Somethings want wront with the accel init stop accel */
1148		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1149		r100_cp_fini(rdev);
1150		radeon_wb_fini(rdev);
1151		radeon_ib_pool_fini(rdev);
1152		rs600_gart_fini(rdev);
1153		radeon_irq_kms_fini(rdev);
1154		rdev->accel_working = false;
1155	}
1156	return 0;
1157}