sys/dev/drm/radeon/r600.c

   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/firmware.h>
  30 #include <linux/module.h>
  31 #include <drm/drmP.h>
  32 #include <drm/radeon_drm.h>
  33 #include "radeon.h"
  34 #include "radeon_asic.h"
  35 #include "radeon_audio.h"
  36 #include "radeon_mode.h"
  37 #include "r600d.h"
  38 #include "atom.h"
  39 #include "avivod.h"
  40 #include "radeon_ucode.h"
  41
  42 /* Firmware Names */
  43 MODULE_FIRMWARE("radeon/R600_pfp.bin");
  44 MODULE_FIRMWARE("radeon/R600_me.bin");
  45 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  46 MODULE_FIRMWARE("radeon/RV610_me.bin");
  47 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  48 MODULE_FIRMWARE("radeon/RV630_me.bin");
  49 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  50 MODULE_FIRMWARE("radeon/RV620_me.bin");
  51 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  52 MODULE_FIRMWARE("radeon/RV635_me.bin");
  53 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  54 MODULE_FIRMWARE("radeon/RV670_me.bin");
  55 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  56 MODULE_FIRMWARE("radeon/RS780_me.bin");
  57 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  58 MODULE_FIRMWARE("radeon/RV770_me.bin");
  59 MODULE_FIRMWARE("radeon/RV770_smc.bin");
  60 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  61 MODULE_FIRMWARE("radeon/RV730_me.bin");
  62 MODULE_FIRMWARE("radeon/RV730_smc.bin");
  63 MODULE_FIRMWARE("radeon/RV740_smc.bin");
  64 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  65 MODULE_FIRMWARE("radeon/RV710_me.bin");
  66 MODULE_FIRMWARE("radeon/RV710_smc.bin");
  67 MODULE_FIRMWARE("radeon/R600_rlc.bin");
  68 MODULE_FIRMWARE("radeon/R700_rlc.bin");
  69 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  70 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  71 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
  72 MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
  73 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  74 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  75 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
  76 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
  77 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  78 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  79 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
  80 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
  81 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  82 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  83 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
  84 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
  85 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  86 MODULE_FIRMWARE("radeon/PALM_me.bin");
  87 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  88 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  89 MODULE_FIRMWARE("radeon/SUMO_me.bin");
  90 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  91 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  92
  93 static const u32 crtc_offsets[2] =
  94 {
  95         0,
  96         AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  97 };
  98
  99 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 100
 101 /* r600,rv610,rv630,rv620,rv635,rv670 */
 102 static void r600_gpu_init(struct radeon_device *rdev);
 103 void r600_irq_disable(struct radeon_device *rdev);
 104 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 105
 106 /*
 107  * Indirect registers accessor
 108  */
 109 u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
 110 {
 111         u32 r;
 112
 113         spin_lock(&rdev->rcu_idx_lock);
 114         WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
 115         r = RREG32(R600_RCU_DATA);
 116         spin_unlock(&rdev->rcu_idx_lock);
 117         return r;
 118 }
 119
 120 void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 121 {
 122         spin_lock(&rdev->rcu_idx_lock);
 123         WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
 124         WREG32(R600_RCU_DATA, (v));
 125         spin_unlock(&rdev->rcu_idx_lock);
 126 }
 127
 128 u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
 129 {
 130         u32 r;
 131
 132         spin_lock(&rdev->uvd_idx_lock);
 133         WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
 134         r = RREG32(R600_UVD_CTX_DATA);
 135         spin_unlock(&rdev->uvd_idx_lock);
 136         return r;
 137 }
 138
 139 void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 140 {
 141         spin_lock(&rdev->uvd_idx_lock);
 142         WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
 143         WREG32(R600_UVD_CTX_DATA, (v));
 144         spin_unlock(&rdev->uvd_idx_lock);
 145 }
 146
 147 /**
 148  * r600_get_allowed_info_register - fetch the register for the info ioctl
 149  *
 150  * @rdev: radeon_device pointer
 151  * @reg: register offset in bytes
 152  * @val: register value
 153  *
 154  * Returns 0 for success or -EINVAL for an invalid register
 155  *
 156  */
 157 int r600_get_allowed_info_register(struct radeon_device *rdev,
 158                                    u32 reg, u32 *val)
 159 {
 160         switch (reg) {
 161         case GRBM_STATUS:
 162         case GRBM_STATUS2:
 163         case R_000E50_SRBM_STATUS:
 164         case DMA_STATUS_REG:
 165         case UVD_STATUS:
 166                 *val = RREG32(reg);
 167                 return 0;
 168         default:
 169                 return -EINVAL;
 170         }
 171 }
 172
 173 /**
 174  * r600_get_xclk - get the xclk
 175  *
 176  * @rdev: radeon_device pointer
 177  *
 178  * Returns the reference clock used by the gfx engine
 179  * (r6xx, IGPs, APUs).
 180  */
 181 u32 r600_get_xclk(struct radeon_device *rdev)
 182 {
 183         return rdev->clock.spll.reference_freq;
 184 }
 185
 186 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
 187 {
 188         unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0;
 189         int r;
 190
 191         /* bypass vclk and dclk with bclk */
 192         WREG32_P(CG_UPLL_FUNC_CNTL_2,
 193                  VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
 194                  ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
 195
 196         /* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */
 197         WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~(
 198                  UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK));
 199
 200         if (rdev->family >= CHIP_RS780)
 201                 WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL,
 202                          ~UPLL_BYPASS_CNTL);
 203
 204         if (!vclk || !dclk) {
 205                 /* keep the Bypass mode, put PLL to sleep */
 206                 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
 207                 return 0;
 208         }
 209
 210         if (rdev->clock.spll.reference_freq == 10000)
 211                 ref_div = 34;
 212         else
 213                 ref_div = 4;
 214
 215         r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
 216                                           ref_div + 1, 0xFFF, 2, 30, ~0,
 217                                           &fb_div, &vclk_div, &dclk_div);
 218         if (r)
 219                 return r;
 220
 221         if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780)
 222                 fb_div >>= 1;
 223         else
 224                 fb_div |= 1;
 225
 226         r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
 227         if (r)
 228                 return r;
 229
 230         /* assert PLL_RESET */
 231         WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
 232
 233         /* For RS780 we have to choose ref clk */
 234         if (rdev->family >= CHIP_RS780)
 235                 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK,
 236                          ~UPLL_REFCLK_SRC_SEL_MASK);
 237
 238         /* set the required fb, ref and post divder values */
 239         WREG32_P(CG_UPLL_FUNC_CNTL,
 240                  UPLL_FB_DIV(fb_div) |
 241                  UPLL_REF_DIV(ref_div),
 242                  ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK));
 243         WREG32_P(CG_UPLL_FUNC_CNTL_2,
 244                  UPLL_SW_HILEN(vclk_div >> 1) |
 245                  UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
 246                  UPLL_SW_HILEN2(dclk_div >> 1) |
 247                  UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) |
 248                  UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK,
 249                  ~UPLL_SW_MASK);
 250
 251         /* give the PLL some time to settle */
 252         mdelay(15);
 253
 254         /* deassert PLL_RESET */
 255         WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
 256
 257         mdelay(15);
 258
 259         /* deassert BYPASS EN */
 260         WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
 261
 262         if (rdev->family >= CHIP_RS780)
 263                 WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL);
 264
 265         r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
 266         if (r)
 267                 return r;
 268
 269         /* switch VCLK and DCLK selection */
 270         WREG32_P(CG_UPLL_FUNC_CNTL_2,
 271                  VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
 272                  ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
 273
 274         mdelay(100);
 275
 276         return 0;
 277 }
 278
 279 void dce3_program_fmt(struct drm_encoder *encoder)
 280 {
 281         struct drm_device *dev = encoder->dev;
 282         struct radeon_device *rdev = dev->dev_private;
 283         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 284         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 285         struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 286         int bpc = 0;
 287         u32 tmp = 0;
 288         enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 289
 290         if (connector) {
 291                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 292                 bpc = radeon_get_monitor_bpc(connector);
 293                 dither = radeon_connector->dither;
 294         }
 295
 296         /* LVDS FMT is set up by atom */
 297         if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 298                 return;
 299
 300         /* not needed for analog */
 301         if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 302             (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 303                 return;
 304
 305         if (bpc == 0)
 306                 return;
 307
 308         switch (bpc) {
 309         case 6:
 310                 if (dither == RADEON_FMT_DITHER_ENABLE)
 311                         /* XXX sort out optimal dither settings */
 312                         tmp |= FMT_SPATIAL_DITHER_EN;
 313                 else
 314                         tmp |= FMT_TRUNCATE_EN;
 315                 break;
 316         case 8:
 317                 if (dither == RADEON_FMT_DITHER_ENABLE)
 318                         /* XXX sort out optimal dither settings */
 319                         tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
 320                 else
 321                         tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
 322                 break;
 323         case 10:
 324         default:
 325                 /* not needed */
 326                 break;
 327         }
 328
 329         WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
 330 }
 331
 332 /* get temperature in millidegrees */
 333 int rv6xx_get_temp(struct radeon_device *rdev)
 334 {
 335         u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 336                 ASIC_T_SHIFT;
 337         int actual_temp = temp & 0xff;
 338
 339         if (temp & 0x100)
 340                 actual_temp -= 256;
 341
 342         return actual_temp * 1000;
 343 }
 344
 345 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 346 {
 347         int i;
 348
 349         rdev->pm.dynpm_can_upclock = true;
 350         rdev->pm.dynpm_can_downclock = true;
 351
 352         /* power state array is low to high, default is first */
 353         if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 354                 int min_power_state_index = 0;
 355
 356                 if (rdev->pm.num_power_states > 2)
 357                         min_power_state_index = 1;
 358
 359                 switch (rdev->pm.dynpm_planned_action) {
 360                 case DYNPM_ACTION_MINIMUM:
 361                         rdev->pm.requested_power_state_index = min_power_state_index;
 362                         rdev->pm.requested_clock_mode_index = 0;
 363                         rdev->pm.dynpm_can_downclock = false;
 364                         break;
 365                 case DYNPM_ACTION_DOWNCLOCK:
 366                         if (rdev->pm.current_power_state_index == min_power_state_index) {
 367                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 368                                 rdev->pm.dynpm_can_downclock = false;
 369                         } else {
 370                                 if (rdev->pm.active_crtc_count > 1) {
 371                                         for (i = 0; i < rdev->pm.num_power_states; i++) {
 372                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 373                                                         continue;
 374                                                 else if (i >= rdev->pm.current_power_state_index) {
 375                                                         rdev->pm.requested_power_state_index =
 376                                                                 rdev->pm.current_power_state_index;
 377                                                         break;
 378                                                 } else {
 379                                                         rdev->pm.requested_power_state_index = i;
 380                                                         break;
 381                                                 }
 382                                         }
 383                                 } else {
 384                                         if (rdev->pm.current_power_state_index == 0)
 385                                                 rdev->pm.requested_power_state_index =
 386                                                         rdev->pm.num_power_states - 1;
 387                                         else
 388                                                 rdev->pm.requested_power_state_index =
 389                                                         rdev->pm.current_power_state_index - 1;
 390                                 }
 391                         }
 392                         rdev->pm.requested_clock_mode_index = 0;
 393                         /* don't use the power state if crtcs are active and no display flag is set */
 394                         if ((rdev->pm.active_crtc_count > 0) &&
 395                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 396                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 397                              RADEON_PM_MODE_NO_DISPLAY)) {
 398                                 rdev->pm.requested_power_state_index++;
 399                         }
 400                         break;
 401                 case DYNPM_ACTION_UPCLOCK:
 402                         if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 403                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 404                                 rdev->pm.dynpm_can_upclock = false;
 405                         } else {
 406                                 if (rdev->pm.active_crtc_count > 1) {
 407                                         for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 408                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 409                                                         continue;
 410                                                 else if (i <= rdev->pm.current_power_state_index) {
 411                                                         rdev->pm.requested_power_state_index =
 412                                                                 rdev->pm.current_power_state_index;
 413                                                         break;
 414                                                 } else {
 415                                                         rdev->pm.requested_power_state_index = i;
 416                                                         break;
 417                                                 }
 418                                         }
 419                                 } else
 420                                         rdev->pm.requested_power_state_index =
 421                                                 rdev->pm.current_power_state_index + 1;
 422                         }
 423                         rdev->pm.requested_clock_mode_index = 0;
 424                         break;
 425                 case DYNPM_ACTION_DEFAULT:
 426                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 427                         rdev->pm.requested_clock_mode_index = 0;
 428                         rdev->pm.dynpm_can_upclock = false;
 429                         break;
 430                 case DYNPM_ACTION_NONE:
 431                 default:
 432                         DRM_ERROR("Requested mode for not defined action\n");
 433                         return;
 434                 }
 435         } else {
 436                 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
 437                 /* for now just select the first power state and switch between clock modes */
 438                 /* power state array is low to high, default is first (0) */
 439                 if (rdev->pm.active_crtc_count > 1) {
 440                         rdev->pm.requested_power_state_index = -1;
 441                         /* start at 1 as we don't want the default mode */
 442                         for (i = 1; i < rdev->pm.num_power_states; i++) {
 443                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 444                                         continue;
 445                                 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 446                                          (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 447                                         rdev->pm.requested_power_state_index = i;
 448                                         break;
 449                                 }
 450                         }
 451                         /* if nothing selected, grab the default state. */
 452                         if (rdev->pm.requested_power_state_index == -1)
 453                                 rdev->pm.requested_power_state_index = 0;
 454                 } else
 455                         rdev->pm.requested_power_state_index = 1;
 456
 457                 switch (rdev->pm.dynpm_planned_action) {
 458                 case DYNPM_ACTION_MINIMUM:
 459                         rdev->pm.requested_clock_mode_index = 0;
 460                         rdev->pm.dynpm_can_downclock = false;
 461                         break;
 462                 case DYNPM_ACTION_DOWNCLOCK:
 463                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 464                                 if (rdev->pm.current_clock_mode_index == 0) {
 465                                         rdev->pm.requested_clock_mode_index = 0;
 466                                         rdev->pm.dynpm_can_downclock = false;
 467                                 } else
 468                                         rdev->pm.requested_clock_mode_index =
 469                                                 rdev->pm.current_clock_mode_index - 1;
 470                         } else {
 471                                 rdev->pm.requested_clock_mode_index = 0;
 472                                 rdev->pm.dynpm_can_downclock = false;
 473                         }
 474                         /* don't use the power state if crtcs are active and no display flag is set */
 475                         if ((rdev->pm.active_crtc_count > 0) &&
 476                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 477                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 478                              RADEON_PM_MODE_NO_DISPLAY)) {
 479                                 rdev->pm.requested_clock_mode_index++;
 480                         }
 481                         break;
 482                 case DYNPM_ACTION_UPCLOCK:
 483                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 484                                 if (rdev->pm.current_clock_mode_index ==
 485                                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 486                                         rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 487                                         rdev->pm.dynpm_can_upclock = false;
 488                                 } else
 489                                         rdev->pm.requested_clock_mode_index =
 490                                                 rdev->pm.current_clock_mode_index + 1;
 491                         } else {
 492                                 rdev->pm.requested_clock_mode_index =
 493                                         rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 494                                 rdev->pm.dynpm_can_upclock = false;
 495                         }
 496                         break;
 497                 case DYNPM_ACTION_DEFAULT:
 498                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 499                         rdev->pm.requested_clock_mode_index = 0;
 500                         rdev->pm.dynpm_can_upclock = false;
 501                         break;
 502                 case DYNPM_ACTION_NONE:
 503                 default:
 504                         DRM_ERROR("Requested mode for not defined action\n");
 505                         return;
 506                 }
 507         }
 508
 509         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 510                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 511                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 512                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 513                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 514                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 515                   pcie_lanes);
 516 }
 517
 518 void rs780_pm_init_profile(struct radeon_device *rdev)
 519 {
 520         if (rdev->pm.num_power_states == 2) {
 521                 /* default */
 522                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 523                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 524                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 525                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 526                 /* low sh */
 527                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 528                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 529                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 530                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 531                 /* mid sh */
 532                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 533                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 534                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 535                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 536                 /* high sh */
 537                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 538                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 539                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 540                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 541                 /* low mh */
 542                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 543                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 544                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 545                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 546                 /* mid mh */
 547                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 548                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 549                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 550                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 551                 /* high mh */
 552                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 553                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 554                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 555                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 556         } else if (rdev->pm.num_power_states == 3) {
 557                 /* default */
 558                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 559                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 560                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 561                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 562                 /* low sh */
 563                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 564                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 565                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 566                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 567                 /* mid sh */
 568                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 569                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 570                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 571                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 572                 /* high sh */
 573                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 574                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 575                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 576                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 577                 /* low mh */
 578                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 579                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 580                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 581                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 582                 /* mid mh */
 583                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 584                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 585                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 586                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 587                 /* high mh */
 588                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 589                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 590                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 591                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 592         } else {
 593                 /* default */
 594                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 595                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 596                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 597                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 598                 /* low sh */
 599                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 600                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 601                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 602                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 603                 /* mid sh */
 604                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 605                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 606                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 607                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 608                 /* high sh */
 609                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 610                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 611                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 612                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 613                 /* low mh */
 614                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 615                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 616                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 617                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 618                 /* mid mh */
 619                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 620                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 621                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 622                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 623                 /* high mh */
 624                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 625                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 626                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 627                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 628         }
 629 }
 630
 631 void r600_pm_init_profile(struct radeon_device *rdev)
 632 {
 633         int idx;
 634
 635         if (rdev->family == CHIP_R600) {
 636                 /* XXX */
 637                 /* default */
 638                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 639                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 640                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 641                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 642                 /* low sh */
 643                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 644                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 645                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 646                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 647                 /* mid sh */
 648                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 649                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 650                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 651                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 652                 /* high sh */
 653                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 654                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 655                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 656                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 657                 /* low mh */
 658                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 659                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 660                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 661                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 662                 /* mid mh */
 663                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 664                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 665                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 666                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 667                 /* high mh */
 668                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 669                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 670                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 671                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 672         } else {
 673                 if (rdev->pm.num_power_states < 4) {
 674                         /* default */
 675                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 676                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 677                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 678                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 679                         /* low sh */
 680                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 681                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 682                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 683                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 684                         /* mid sh */
 685                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 686                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 687                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 688                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 689                         /* high sh */
 690                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 691                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 692                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 693                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 694                         /* low mh */
 695                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 696                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 697                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 698                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 699                         /* low mh */
 700                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 701                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 702                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 703                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 704                         /* high mh */
 705                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 706                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 707                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 708                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 709                 } else {
 710                         /* default */
 711                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 712                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 713                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 714                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 715                         /* low sh */
 716                         if (rdev->flags & RADEON_IS_MOBILITY)
 717                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 718                         else
 719                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 720                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
 721                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
 722                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 723                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 724                         /* mid sh */
 725                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
 726                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
 727                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 728                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 729                         /* high sh */
 730                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 731                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
 732                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 733                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 734                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 735                         /* low mh */
 736                         if (rdev->flags & RADEON_IS_MOBILITY)
 737                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 738                         else
 739                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 740                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
 741                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
 742                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 743                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 744                         /* mid mh */
 745                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
 746                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
 747                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 748                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 749                         /* high mh */
 750                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 751                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
 752                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 753                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 754                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 755                 }
 756         }
 757 }
 758
 759 void r600_pm_misc(struct radeon_device *rdev)
 760 {
 761         int req_ps_idx = rdev->pm.requested_power_state_index;
 762         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 763         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 764         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 765
 766         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 767                 /* 0xff01 is a flag rather then an actual voltage */
 768                 if (voltage->voltage == 0xff01)
 769                         return;
 770                 if (voltage->voltage != rdev->pm.current_vddc) {
 771                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 772                         rdev->pm.current_vddc = voltage->voltage;
 773                         DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 774                 }
 775         }
 776 }
 777
 778 bool r600_gui_idle(struct radeon_device *rdev)
 779 {
 780         if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 781                 return false;
 782         else
 783                 return true;
 784 }
 785
 786 /* hpd for digital panel detect/disconnect */
 787 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 788 {
 789         bool connected = false;
 790
 791         if (ASIC_IS_DCE3(rdev)) {
 792                 switch (hpd) {
 793                 case RADEON_HPD_1:
 794                         if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 795                                 connected = true;
 796                         break;
 797                 case RADEON_HPD_2:
 798                         if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 799                                 connected = true;
 800                         break;
 801                 case RADEON_HPD_3:
 802                         if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 803                                 connected = true;
 804                         break;
 805                 case RADEON_HPD_4:
 806                         if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 807                                 connected = true;
 808                         break;
 809                         /* DCE 3.2 */
 810                 case RADEON_HPD_5:
 811                         if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 812                                 connected = true;
 813                         break;
 814                 case RADEON_HPD_6:
 815                         if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 816                                 connected = true;
 817                         break;
 818                 default:
 819                         break;
 820                 }
 821         } else {
 822                 switch (hpd) {
 823                 case RADEON_HPD_1:
 824                         if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 825                                 connected = true;
 826                         break;
 827                 case RADEON_HPD_2:
 828                         if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 829                                 connected = true;
 830                         break;
 831                 case RADEON_HPD_3:
 832                         if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 833                                 connected = true;
 834                         break;
 835                 default:
 836                         break;
 837                 }
 838         }
 839         return connected;
 840 }
 841
 842 void r600_hpd_set_polarity(struct radeon_device *rdev,
 843                            enum radeon_hpd_id hpd)
 844 {
 845         u32 tmp;
 846         bool connected = r600_hpd_sense(rdev, hpd);
 847
 848         if (ASIC_IS_DCE3(rdev)) {
 849                 switch (hpd) {
 850                 case RADEON_HPD_1:
 851                         tmp = RREG32(DC_HPD1_INT_CONTROL);
 852                         if (connected)
 853                                 tmp &= ~DC_HPDx_INT_POLARITY;
 854                         else
 855                                 tmp |= DC_HPDx_INT_POLARITY;
 856                         WREG32(DC_HPD1_INT_CONTROL, tmp);
 857                         break;
 858                 case RADEON_HPD_2:
 859                         tmp = RREG32(DC_HPD2_INT_CONTROL);
 860                         if (connected)
 861                                 tmp &= ~DC_HPDx_INT_POLARITY;
 862                         else
 863                                 tmp |= DC_HPDx_INT_POLARITY;
 864                         WREG32(DC_HPD2_INT_CONTROL, tmp);
 865                         break;
 866                 case RADEON_HPD_3:
 867                         tmp = RREG32(DC_HPD3_INT_CONTROL);
 868                         if (connected)
 869                                 tmp &= ~DC_HPDx_INT_POLARITY;
 870                         else
 871                                 tmp |= DC_HPDx_INT_POLARITY;
 872                         WREG32(DC_HPD3_INT_CONTROL, tmp);
 873                         break;
 874                 case RADEON_HPD_4:
 875                         tmp = RREG32(DC_HPD4_INT_CONTROL);
 876                         if (connected)
 877                                 tmp &= ~DC_HPDx_INT_POLARITY;
 878                         else
 879                                 tmp |= DC_HPDx_INT_POLARITY;
 880                         WREG32(DC_HPD4_INT_CONTROL, tmp);
 881                         break;
 882                 case RADEON_HPD_5:
 883                         tmp = RREG32(DC_HPD5_INT_CONTROL);
 884                         if (connected)
 885                                 tmp &= ~DC_HPDx_INT_POLARITY;
 886                         else
 887                                 tmp |= DC_HPDx_INT_POLARITY;
 888                         WREG32(DC_HPD5_INT_CONTROL, tmp);
 889                         break;
 890                         /* DCE 3.2 */
 891                 case RADEON_HPD_6:
 892                         tmp = RREG32(DC_HPD6_INT_CONTROL);
 893                         if (connected)
 894                                 tmp &= ~DC_HPDx_INT_POLARITY;
 895                         else
 896                                 tmp |= DC_HPDx_INT_POLARITY;
 897                         WREG32(DC_HPD6_INT_CONTROL, tmp);
 898                         break;
 899                 default:
 900                         break;
 901                 }
 902         } else {
 903                 switch (hpd) {
 904                 case RADEON_HPD_1:
 905                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 906                         if (connected)
 907                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 908                         else
 909                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 910                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 911                         break;
 912                 case RADEON_HPD_2:
 913                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 914                         if (connected)
 915                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 916                         else
 917                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 918                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 919                         break;
 920                 case RADEON_HPD_3:
 921                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 922                         if (connected)
 923                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 924                         else
 925                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 926                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 927                         break;
 928                 default:
 929                         break;
 930                 }
 931         }
 932 }
 933
 934 void r600_hpd_init(struct radeon_device *rdev)
 935 {
 936         struct drm_device *dev = rdev->ddev;
 937         struct drm_connector *connector;
 938         unsigned enable = 0;
 939
 940         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 941                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 942
 943                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 944                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 945                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 946                          * aux dp channel on imac and help (but not completely fix)
 947                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 948                          */
 949                         continue;
 950                 }
 951                 if (ASIC_IS_DCE3(rdev)) {
 952                         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 953                         if (ASIC_IS_DCE32(rdev))
 954                                 tmp |= DC_HPDx_EN;
 955
 956                         switch (radeon_connector->hpd.hpd) {
 957                         case RADEON_HPD_1:
 958                                 WREG32(DC_HPD1_CONTROL, tmp);
 959                                 break;
 960                         case RADEON_HPD_2:
 961                                 WREG32(DC_HPD2_CONTROL, tmp);
 962                                 break;
 963                         case RADEON_HPD_3:
 964                                 WREG32(DC_HPD3_CONTROL, tmp);
 965                                 break;
 966                         case RADEON_HPD_4:
 967                                 WREG32(DC_HPD4_CONTROL, tmp);
 968                                 break;
 969                                 /* DCE 3.2 */
 970                         case RADEON_HPD_5:
 971                                 WREG32(DC_HPD5_CONTROL, tmp);
 972                                 break;
 973                         case RADEON_HPD_6:
 974                                 WREG32(DC_HPD6_CONTROL, tmp);
 975                                 break;
 976                         default:
 977                                 break;
 978                         }
 979                 } else {
 980                         switch (radeon_connector->hpd.hpd) {
 981                         case RADEON_HPD_1:
 982                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 983                                 break;
 984                         case RADEON_HPD_2:
 985                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 986                                 break;
 987                         case RADEON_HPD_3:
 988                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 989                                 break;
 990                         default:
 991                                 break;
 992                         }
 993                 }
 994                 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 995                         enable |= 1 << radeon_connector->hpd.hpd;
 996                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 997         }
 998         radeon_irq_kms_enable_hpd(rdev, enable);
 999 }
1000
1001 void r600_hpd_fini(struct radeon_device *rdev)
1002 {
1003         struct drm_device *dev = rdev->ddev;
1004         struct drm_connector *connector;
1005         unsigned disable = 0;
1006
1007         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1008                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1009                 if (ASIC_IS_DCE3(rdev)) {
1010                         switch (radeon_connector->hpd.hpd) {
1011                         case RADEON_HPD_1:
1012                                 WREG32(DC_HPD1_CONTROL, 0);
1013                                 break;
1014                         case RADEON_HPD_2:
1015                                 WREG32(DC_HPD2_CONTROL, 0);
1016                                 break;
1017                         case RADEON_HPD_3:
1018                                 WREG32(DC_HPD3_CONTROL, 0);
1019                                 break;
1020                         case RADEON_HPD_4:
1021                                 WREG32(DC_HPD4_CONTROL, 0);
1022                                 break;
1023                                 /* DCE 3.2 */
1024                         case RADEON_HPD_5:
1025                                 WREG32(DC_HPD5_CONTROL, 0);
1026                                 break;
1027                         case RADEON_HPD_6:
1028                                 WREG32(DC_HPD6_CONTROL, 0);
1029                                 break;
1030                         default:
1031                                 break;
1032                         }
1033                 } else {
1034                         switch (radeon_connector->hpd.hpd) {
1035                         case RADEON_HPD_1:
1036                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
1037                                 break;
1038                         case RADEON_HPD_2:
1039                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
1040                                 break;
1041                         case RADEON_HPD_3:
1042                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
1043                                 break;
1044                         default:
1045                                 break;
1046                         }
1047                 }
1048                 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
1049                         disable |= 1 << radeon_connector->hpd.hpd;
1050         }
1051         radeon_irq_kms_disable_hpd(rdev, disable);
1052 }
1053
1054 /*
1055  * R600 PCIE GART
1056  */
1057 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
1058 {
1059         unsigned i;
1060         u32 tmp;
1061
1062         /* flush hdp cache so updates hit vram */
1063         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
1064             !(rdev->flags & RADEON_IS_AGP)) {
1065                 void __iomem *ptr = (void *)rdev->gart.ptr;
1066                 u32 tmp;
1067
1068                 /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
1069                  * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
1070                  * This seems to cause problems on some AGP cards. Just use the old
1071                  * method for them.
1072                  */
1073                 WREG32(HDP_DEBUG1, 0);
1074                 tmp = readl((void __iomem *)ptr);
1075         } else
1076                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1077
1078         WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
1079         WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
1080         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
1081         for (i = 0; i < rdev->usec_timeout; i++) {
1082                 /* read MC_STATUS */
1083                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
1084                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
1085                 if (tmp == 2) {
1086                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
1087                         return;
1088                 }
1089                 if (tmp) {
1090                         return;
1091                 }
1092                 udelay(1);
1093         }
1094 }
1095
1096 int r600_pcie_gart_init(struct radeon_device *rdev)
1097 {
1098         int r;
1099
1100         if (rdev->gart.robj) {
1101                 WARN(1, "R600 PCIE GART already initialized\n");
1102                 return 0;
1103         }
1104         /* Initialize common gart structure */
1105         r = radeon_gart_init(rdev);
1106         if (r)
1107                 return r;
1108         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
1109         return radeon_gart_table_vram_alloc(rdev);
1110 }
1111
1112 static int r600_pcie_gart_enable(struct radeon_device *rdev)
1113 {
1114         u32 tmp;
1115         int r, i;
1116
1117         if (rdev->gart.robj == NULL) {
1118                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1119                 return -EINVAL;
1120         }
1121         r = radeon_gart_table_vram_pin(rdev);
1122         if (r)
1123                 return r;
1124
1125         /* Setup L2 cache */
1126         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1127                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1128                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1129         WREG32(VM_L2_CNTL2, 0);
1130         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1131         /* Setup TLB control */
1132         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1133                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1134                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1135                 ENABLE_WAIT_L2_QUERY;
1136         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1137         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1138         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1139         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1140         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1141         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1142         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1143         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1144         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1145         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1146         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1147         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1148         WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1149         WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1150         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1151         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1152         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1153         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1154         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1155         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1156                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1157         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1158                         (u32)(rdev->dummy_page.addr >> 12));
1159         for (i = 1; i < 7; i++)
1160                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1161
1162         r600_pcie_gart_tlb_flush(rdev);
1163         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1164                  (unsigned)(rdev->mc.gtt_size >> 20),
1165                  (unsigned long long)rdev->gart.table_addr);
1166         rdev->gart.ready = true;
1167         return 0;
1168 }
1169
1170 static void r600_pcie_gart_disable(struct radeon_device *rdev)
1171 {
1172         u32 tmp;
1173         int i;
1174
1175         /* Disable all tables */
1176         for (i = 0; i < 7; i++)
1177                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1178
1179         /* Disable L2 cache */
1180         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1181                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1182         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1183         /* Setup L1 TLB control */
1184         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1185                 ENABLE_WAIT_L2_QUERY;
1186         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1187         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1188         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1189         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1190         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1191         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1192         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1193         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1194         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1195         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1196         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1197         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1198         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1199         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1200         WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1201         WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1202         radeon_gart_table_vram_unpin(rdev);
1203 }
1204
1205 static void r600_pcie_gart_fini(struct radeon_device *rdev)
1206 {
1207         radeon_gart_fini(rdev);
1208         r600_pcie_gart_disable(rdev);
1209         radeon_gart_table_vram_free(rdev);
1210 }
1211
1212 static void r600_agp_enable(struct radeon_device *rdev)
1213 {
1214         u32 tmp;
1215         int i;
1216
1217         /* Setup L2 cache */
1218         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1219                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1220                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1221         WREG32(VM_L2_CNTL2, 0);
1222         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1223         /* Setup TLB control */
1224         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1225                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1226                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1227                 ENABLE_WAIT_L2_QUERY;
1228         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1229         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1230         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1231         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1232         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1233         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1234         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1235         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1236         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1237         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1238         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1239         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1240         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1241         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1242         for (i = 0; i < 7; i++)
1243                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1244 }
1245
1246 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1247 {
1248         unsigned i;
1249         u32 tmp;
1250
1251         for (i = 0; i < rdev->usec_timeout; i++) {
1252                 /* read MC_STATUS */
1253                 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1254                 if (!tmp)
1255                         return 0;
1256                 udelay(1);
1257         }
1258         return -1;
1259 }
1260
1261 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1262 {
1263         uint32_t r;
1264
1265         spin_lock(&rdev->mc_idx_lock);
1266         WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1267         r = RREG32(R_0028FC_MC_DATA);
1268         WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1269         spin_unlock(&rdev->mc_idx_lock);
1270         return r;
1271 }
1272
1273 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1274 {
1275         spin_lock(&rdev->mc_idx_lock);
1276         WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1277                 S_0028F8_MC_IND_WR_EN(1));
1278         WREG32(R_0028FC_MC_DATA, v);
1279         WREG32(R_0028F8_MC_INDEX, 0x7F);
1280         spin_unlock(&rdev->mc_idx_lock);
1281 }
1282
1283 static void r600_mc_program(struct radeon_device *rdev)
1284 {
1285         struct rv515_mc_save save;
1286         u32 tmp;
1287         int i, j;
1288
1289         /* Initialize HDP */
1290         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1291                 WREG32((0x2c14 + j), 0x00000000);
1292                 WREG32((0x2c18 + j), 0x00000000);
1293                 WREG32((0x2c1c + j), 0x00000000);
1294                 WREG32((0x2c20 + j), 0x00000000);
1295                 WREG32((0x2c24 + j), 0x00000000);
1296         }
1297         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1298
1299         rv515_mc_stop(rdev, &save);
1300         if (r600_mc_wait_for_idle(rdev)) {
1301                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1302         }
1303         /* Lockout access through VGA aperture (doesn't exist before R600) */
1304         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1305         /* Update configuration */
1306         if (rdev->flags & RADEON_IS_AGP) {
1307                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1308                         /* VRAM before AGP */
1309                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1310                                 rdev->mc.vram_start >> 12);
1311                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1312                                 rdev->mc.gtt_end >> 12);
1313                 } else {
1314                         /* VRAM after AGP */
1315                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1316                                 rdev->mc.gtt_start >> 12);
1317                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1318                                 rdev->mc.vram_end >> 12);
1319                 }
1320         } else {
1321                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1322                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1323         }
1324         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1325         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1326         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1327         WREG32(MC_VM_FB_LOCATION, tmp);
1328         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1329         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1330         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1331         if (rdev->flags & RADEON_IS_AGP) {
1332                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1333                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1334                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1335         } else {
1336                 WREG32(MC_VM_AGP_BASE, 0);
1337                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1338                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1339         }
1340         if (r600_mc_wait_for_idle(rdev)) {
1341                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1342         }
1343         rv515_mc_resume(rdev, &save);
1344         /* we need to own VRAM, so turn off the VGA renderer here
1345          * to stop it overwriting our objects */
1346         rv515_vga_render_disable(rdev);
1347 }
1348
1349 /**
1350  * r600_vram_gtt_location - try to find VRAM & GTT location
1351  * @rdev: radeon device structure holding all necessary informations
1352  * @mc: memory controller structure holding memory informations
1353  *
1354  * Function will place try to place VRAM at same place as in CPU (PCI)
1355  * address space as some GPU seems to have issue when we reprogram at
1356  * different address space.
1357  *
1358  * If there is not enough space to fit the unvisible VRAM after the
1359  * aperture then we limit the VRAM size to the aperture.
1360  *
1361  * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1362  * them to be in one from GPU point of view so that we can program GPU to
1363  * catch access outside them (weird GPU policy see ??).
1364  *
1365  * This function will never fails, worst case are limiting VRAM or GTT.
1366  *
1367  * Note: GTT start, end, size should be initialized before calling this
1368  * function on AGP platform.
1369  */
1370 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1371 {
1372         u64 size_bf, size_af;
1373
1374         if (mc->mc_vram_size > 0xE0000000) {
1375                 /* leave room for at least 512M GTT */
1376                 dev_warn(rdev->dev, "limiting VRAM\n");
1377                 mc->real_vram_size = 0xE0000000;
1378                 mc->mc_vram_size = 0xE0000000;
1379         }
1380         if (rdev->flags & RADEON_IS_AGP) {
1381                 size_bf = mc->gtt_start;
1382                 size_af = mc->mc_mask - mc->gtt_end;
1383                 if (size_bf > size_af) {
1384                         if (mc->mc_vram_size > size_bf) {
1385                                 dev_warn(rdev->dev, "limiting VRAM\n");
1386                                 mc->real_vram_size = size_bf;
1387                                 mc->mc_vram_size = size_bf;
1388                         }
1389                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1390                 } else {
1391                         if (mc->mc_vram_size > size_af) {
1392                                 dev_warn(rdev->dev, "limiting VRAM\n");
1393                                 mc->real_vram_size = size_af;
1394                                 mc->mc_vram_size = size_af;
1395                         }
1396                         mc->vram_start = mc->gtt_end + 1;
1397                 }
1398                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1399                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1400                                 mc->mc_vram_size >> 20, mc->vram_start,
1401                                 mc->vram_end, mc->real_vram_size >> 20);
1402         } else {
1403                 u64 base = 0;
1404                 if (rdev->flags & RADEON_IS_IGP) {
1405                         base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1406                         base <<= 24;
1407                 }
1408                 radeon_vram_location(rdev, &rdev->mc, base);
1409                 rdev->mc.gtt_base_align = 0;
1410                 radeon_gtt_location(rdev, mc);
1411         }
1412 }
1413
1414 static int r600_mc_init(struct radeon_device *rdev)
1415 {
1416         u32 tmp;
1417         int chansize, numchan;
1418         uint32_t h_addr, l_addr;
1419         unsigned long long k8_addr;
1420
1421         /* Get VRAM informations */
1422         rdev->mc.vram_is_ddr = true;
1423         tmp = RREG32(RAMCFG);
1424         if (tmp & CHANSIZE_OVERRIDE) {
1425                 chansize = 16;
1426         } else if (tmp & CHANSIZE_MASK) {
1427                 chansize = 64;
1428         } else {
1429                 chansize = 32;
1430         }
1431         tmp = RREG32(CHMAP);
1432         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1433         case 0:
1434         default:
1435                 numchan = 1;
1436                 break;
1437         case 1:
1438                 numchan = 2;
1439                 break;
1440         case 2:
1441                 numchan = 4;
1442                 break;
1443         case 3:
1444                 numchan = 8;
1445                 break;
1446         }
1447         rdev->mc.vram_width = numchan * chansize;
1448         /* Could aper size report 0 ? */
1449         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1450         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1451         /* Setup GPU memory space */
1452         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1453         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1454         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1455         r600_vram_gtt_location(rdev, &rdev->mc);
1456
1457         if (rdev->flags & RADEON_IS_IGP) {
1458                 rs690_pm_info(rdev);
1459                 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1460
1461                 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1462                         /* Use K8 direct mapping for fast fb access. */
1463                         rdev->fastfb_working = false;
1464                         h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1465                         l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1466                         k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1467 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1468                         if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1469 #endif
1470                         {
1471                                 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1472                                 * memory is present.
1473                                 */
1474                                 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1475                                         DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1476                                                 (unsigned long long)rdev->mc.aper_base, k8_addr);
1477                                         rdev->mc.aper_base = (resource_size_t)k8_addr;
1478                                         rdev->fastfb_working = true;
1479                                 }
1480                         }
1481                 }
1482         }
1483
1484         radeon_update_bandwidth_info(rdev);
1485         return 0;
1486 }
1487
1488 int r600_vram_scratch_init(struct radeon_device *rdev)
1489 {
1490         int r;
1491         void *vram_scratch_ptr_ptr = &rdev->vram_scratch.ptr;
1492
1493         if (rdev->vram_scratch.robj == NULL) {
1494                 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1495                                      PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1496                                      0, NULL, NULL, &rdev->vram_scratch.robj);
1497                 if (r) {
1498                         return r;
1499                 }
1500         }
1501
1502         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1503         if (unlikely(r != 0))
1504                 return r;
1505         r = radeon_bo_pin(rdev->vram_scratch.robj,
1506                           RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1507         if (r) {
1508                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1509                 return r;
1510         }
1511         r = radeon_bo_kmap(rdev->vram_scratch.robj,
1512                                 vram_scratch_ptr_ptr);
1513         if (r)
1514                 radeon_bo_unpin(rdev->vram_scratch.robj);
1515         radeon_bo_unreserve(rdev->vram_scratch.robj);
1516
1517         return r;
1518 }
1519
1520 void r600_vram_scratch_fini(struct radeon_device *rdev)
1521 {
1522         int r;
1523
1524         if (rdev->vram_scratch.robj == NULL) {
1525                 return;
1526         }
1527         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1528         if (likely(r == 0)) {
1529                 radeon_bo_kunmap(rdev->vram_scratch.robj);
1530                 radeon_bo_unpin(rdev->vram_scratch.robj);
1531                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1532         }
1533         radeon_bo_unref(&rdev->vram_scratch.robj);
1534 }
1535
1536 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1537 {
1538         u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1539
1540         if (hung)
1541                 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1542         else
1543                 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1544
1545         WREG32(R600_BIOS_3_SCRATCH, tmp);
1546 }
1547
1548 static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1549 {
1550         dev_info(rdev->dev, "  R_008010_GRBM_STATUS      = 0x%08X\n",
1551                  RREG32(R_008010_GRBM_STATUS));
1552         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2     = 0x%08X\n",
1553                  RREG32(R_008014_GRBM_STATUS2));
1554         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS      = 0x%08X\n",
1555                  RREG32(R_000E50_SRBM_STATUS));
1556         dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1557                  RREG32(CP_STALLED_STAT1));
1558         dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1559                  RREG32(CP_STALLED_STAT2));
1560         dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1561                  RREG32(CP_BUSY_STAT));
1562         dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1563                  RREG32(CP_STAT));
1564         dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
1565                 RREG32(DMA_STATUS_REG));
1566 }
1567
1568 static bool r600_is_display_hung(struct radeon_device *rdev)
1569 {
1570         u32 crtc_hung = 0;
1571         u32 crtc_status[2];
1572         u32 i, j, tmp;
1573
1574         for (i = 0; i < rdev->num_crtc; i++) {
1575                 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1576                         crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1577                         crtc_hung |= (1 << i);
1578                 }
1579         }
1580
1581         for (j = 0; j < 10; j++) {
1582                 for (i = 0; i < rdev->num_crtc; i++) {
1583                         if (crtc_hung & (1 << i)) {
1584                                 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1585                                 if (tmp != crtc_status[i])
1586                                         crtc_hung &= ~(1 << i);
1587                         }
1588                 }
1589                 if (crtc_hung == 0)
1590                         return false;
1591                 udelay(100);
1592         }
1593
1594         return true;
1595 }
1596
1597 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1598 {
1599         u32 reset_mask = 0;
1600         u32 tmp;
1601
1602         /* GRBM_STATUS */
1603         tmp = RREG32(R_008010_GRBM_STATUS);
1604         if (rdev->family >= CHIP_RV770) {
1605                 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1606                     G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1607                     G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1608                     G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1609                     G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1610                         reset_mask |= RADEON_RESET_GFX;
1611         } else {
1612                 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1613                     G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1614                     G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1615                     G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1616                     G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1617                         reset_mask |= RADEON_RESET_GFX;
1618         }
1619
1620         if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1621             G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1622                 reset_mask |= RADEON_RESET_CP;
1623
1624         if (G_008010_GRBM_EE_BUSY(tmp))
1625                 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1626
1627         /* DMA_STATUS_REG */
1628         tmp = RREG32(DMA_STATUS_REG);
1629         if (!(tmp & DMA_IDLE))
1630                 reset_mask |= RADEON_RESET_DMA;
1631
1632         /* SRBM_STATUS */
1633         tmp = RREG32(R_000E50_SRBM_STATUS);
1634         if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1635                 reset_mask |= RADEON_RESET_RLC;
1636
1637         if (G_000E50_IH_BUSY(tmp))
1638                 reset_mask |= RADEON_RESET_IH;
1639
1640         if (G_000E50_SEM_BUSY(tmp))
1641                 reset_mask |= RADEON_RESET_SEM;
1642
1643         if (G_000E50_GRBM_RQ_PENDING(tmp))
1644                 reset_mask |= RADEON_RESET_GRBM;
1645
1646         if (G_000E50_VMC_BUSY(tmp))
1647                 reset_mask |= RADEON_RESET_VMC;
1648
1649         if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1650             G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1651             G_000E50_MCDW_BUSY(tmp))
1652                 reset_mask |= RADEON_RESET_MC;
1653
1654         if (r600_is_display_hung(rdev))
1655                 reset_mask |= RADEON_RESET_DISPLAY;
1656
1657         /* Skip MC reset as it's mostly likely not hung, just busy */
1658         if (reset_mask & RADEON_RESET_MC) {
1659                 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1660                 reset_mask &= ~RADEON_RESET_MC;
1661         }
1662
1663         return reset_mask;
1664 }
1665
1666 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1667 {
1668         struct rv515_mc_save save;
1669         u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1670         u32 tmp;
1671
1672         if (reset_mask == 0)
1673                 return;
1674
1675         dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1676
1677         r600_print_gpu_status_regs(rdev);
1678
1679         /* Disable CP parsing/prefetching */
1680         if (rdev->family >= CHIP_RV770)
1681                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1682         else
1683                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1684
1685         /* disable the RLC */
1686         WREG32(RLC_CNTL, 0);
1687
1688         if (reset_mask & RADEON_RESET_DMA) {
1689                 /* Disable DMA */
1690                 tmp = RREG32(DMA_RB_CNTL);
1691                 tmp &= ~DMA_RB_ENABLE;
1692                 WREG32(DMA_RB_CNTL, tmp);
1693         }
1694
1695         mdelay(50);
1696
1697         rv515_mc_stop(rdev, &save);
1698         if (r600_mc_wait_for_idle(rdev)) {
1699                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1700         }
1701
1702         if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1703                 if (rdev->family >= CHIP_RV770)
1704                         grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
1705                                 S_008020_SOFT_RESET_CB(1) |
1706                                 S_008020_SOFT_RESET_PA(1) |
1707                                 S_008020_SOFT_RESET_SC(1) |
1708                                 S_008020_SOFT_RESET_SPI(1) |
1709                                 S_008020_SOFT_RESET_SX(1) |
1710                                 S_008020_SOFT_RESET_SH(1) |
1711                                 S_008020_SOFT_RESET_TC(1) |
1712                                 S_008020_SOFT_RESET_TA(1) |
1713                                 S_008020_SOFT_RESET_VC(1) |
1714                                 S_008020_SOFT_RESET_VGT(1);
1715                 else
1716                         grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1717                                 S_008020_SOFT_RESET_DB(1) |
1718                                 S_008020_SOFT_RESET_CB(1) |
1719                                 S_008020_SOFT_RESET_PA(1) |
1720                                 S_008020_SOFT_RESET_SC(1) |
1721                                 S_008020_SOFT_RESET_SMX(1) |
1722                                 S_008020_SOFT_RESET_SPI(1) |
1723                                 S_008020_SOFT_RESET_SX(1) |
1724                                 S_008020_SOFT_RESET_SH(1) |
1725                                 S_008020_SOFT_RESET_TC(1) |
1726                                 S_008020_SOFT_RESET_TA(1) |
1727                                 S_008020_SOFT_RESET_VC(1) |
1728                                 S_008020_SOFT_RESET_VGT(1);
1729         }
1730
1731         if (reset_mask & RADEON_RESET_CP) {
1732                 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1733                         S_008020_SOFT_RESET_VGT(1);
1734
1735                 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1736         }
1737
1738         if (reset_mask & RADEON_RESET_DMA) {
1739                 if (rdev->family >= CHIP_RV770)
1740                         srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1741                 else
1742                         srbm_soft_reset |= SOFT_RESET_DMA;
1743         }
1744
1745         if (reset_mask & RADEON_RESET_RLC)
1746                 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1747
1748         if (reset_mask & RADEON_RESET_SEM)
1749                 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1750
1751         if (reset_mask & RADEON_RESET_IH)
1752                 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1753
1754         if (reset_mask & RADEON_RESET_GRBM)
1755                 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1756
1757         if (!(rdev->flags & RADEON_IS_IGP)) {
1758                 if (reset_mask & RADEON_RESET_MC)
1759                         srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1760         }
1761
1762         if (reset_mask & RADEON_RESET_VMC)
1763                 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1764
1765         if (grbm_soft_reset) {
1766                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1767                 tmp |= grbm_soft_reset;
1768                 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1769                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1770                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1771
1772                 udelay(50);
1773
1774                 tmp &= ~grbm_soft_reset;
1775                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1776                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1777         }
1778
1779         if (srbm_soft_reset) {
1780                 tmp = RREG32(SRBM_SOFT_RESET);
1781                 tmp |= srbm_soft_reset;
1782                 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1783                 WREG32(SRBM_SOFT_RESET, tmp);
1784                 tmp = RREG32(SRBM_SOFT_RESET);
1785
1786                 udelay(50);
1787
1788                 tmp &= ~srbm_soft_reset;
1789                 WREG32(SRBM_SOFT_RESET, tmp);
1790                 tmp = RREG32(SRBM_SOFT_RESET);
1791         }
1792
1793         /* Wait a little for things to settle down */
1794         mdelay(1);
1795
1796         rv515_mc_resume(rdev, &save);
1797         udelay(50);
1798
1799         r600_print_gpu_status_regs(rdev);
1800 }
1801
1802 static void r600_gpu_pci_config_reset(struct radeon_device *rdev)
1803 {
1804         struct rv515_mc_save save;
1805         u32 tmp, i;
1806
1807         dev_info(rdev->dev, "GPU pci config reset\n");
1808
1809         /* disable dpm? */
1810
1811         /* Disable CP parsing/prefetching */
1812         if (rdev->family >= CHIP_RV770)
1813                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1814         else
1815                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1816
1817         /* disable the RLC */
1818         WREG32(RLC_CNTL, 0);
1819
1820         /* Disable DMA */
1821         tmp = RREG32(DMA_RB_CNTL);
1822         tmp &= ~DMA_RB_ENABLE;
1823         WREG32(DMA_RB_CNTL, tmp);
1824
1825         mdelay(50);
1826
1827         /* set mclk/sclk to bypass */
1828         if (rdev->family >= CHIP_RV770)
1829                 rv770_set_clk_bypass_mode(rdev);
1830         /* disable BM */
1831         pci_clear_master(rdev->pdev);
1832         /* disable mem access */
1833         rv515_mc_stop(rdev, &save);
1834         if (r600_mc_wait_for_idle(rdev)) {
1835                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1836         }
1837
1838         /* BIF reset workaround.  Not sure if this is needed on 6xx */
1839         tmp = RREG32(BUS_CNTL);
1840         tmp |= VGA_COHE_SPEC_TIMER_DIS;
1841         WREG32(BUS_CNTL, tmp);
1842
1843         tmp = RREG32(BIF_SCRATCH0);
1844
1845         /* reset */
1846         radeon_pci_config_reset(rdev);
1847         mdelay(1);
1848
1849         /* BIF reset workaround.  Not sure if this is needed on 6xx */
1850         tmp = SOFT_RESET_BIF;
1851         WREG32(SRBM_SOFT_RESET, tmp);
1852         mdelay(1);
1853         WREG32(SRBM_SOFT_RESET, 0);
1854
1855         /* wait for asic to come out of reset */
1856         for (i = 0; i < rdev->usec_timeout; i++) {
1857                 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
1858                         break;
1859                 udelay(1);
1860         }
1861 }
1862
1863 int r600_asic_reset(struct radeon_device *rdev, bool hard)
1864 {
1865         u32 reset_mask;
1866
1867         if (hard) {
1868                 r600_gpu_pci_config_reset(rdev);
1869                 return 0;
1870         }
1871
1872         reset_mask = r600_gpu_check_soft_reset(rdev);
1873
1874         if (reset_mask)
1875                 r600_set_bios_scratch_engine_hung(rdev, true);
1876
1877         /* try soft reset */
1878         r600_gpu_soft_reset(rdev, reset_mask);
1879
1880         reset_mask = r600_gpu_check_soft_reset(rdev);
1881
1882         /* try pci config reset */
1883         if (reset_mask && radeon_hard_reset)
1884                 r600_gpu_pci_config_reset(rdev);
1885
1886         reset_mask = r600_gpu_check_soft_reset(rdev);
1887
1888         if (!reset_mask)
1889                 r600_set_bios_scratch_engine_hung(rdev, false);
1890
1891         return 0;
1892 }
1893
1894 /**
1895  * r600_gfx_is_lockup - Check if the GFX engine is locked up
1896  *
1897  * @rdev: radeon_device pointer
1898  * @ring: radeon_ring structure holding ring information
1899  *
1900  * Check if the GFX engine is locked up.
1901  * Returns true if the engine appears to be locked up, false if not.
1902  */
1903 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1904 {
1905         u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1906
1907         if (!(reset_mask & (RADEON_RESET_GFX |
1908                             RADEON_RESET_COMPUTE |
1909                             RADEON_RESET_CP))) {
1910                 radeon_ring_lockup_update(rdev, ring);
1911                 return false;
1912         }
1913         return radeon_ring_test_lockup(rdev, ring);
1914 }
1915
1916 u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1917                               u32 tiling_pipe_num,
1918                               u32 max_rb_num,
1919                               u32 total_max_rb_num,
1920                               u32 disabled_rb_mask)
1921 {
1922         u32 rendering_pipe_num, rb_num_width, req_rb_num;
1923         u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1924         u32 data = 0, mask = 1 << (max_rb_num - 1);
1925         unsigned i, j;
1926
1927         /* mask out the RBs that don't exist on that asic */
1928         tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1929         /* make sure at least one RB is available */
1930         if ((tmp & 0xff) != 0xff)
1931                 disabled_rb_mask = tmp;
1932
1933         rendering_pipe_num = 1 << tiling_pipe_num;
1934         req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1935         BUG_ON(rendering_pipe_num < req_rb_num);
1936
1937         pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1938         pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1939
1940         if (rdev->family <= CHIP_RV740) {
1941                 /* r6xx/r7xx */
1942                 rb_num_width = 2;
1943         } else {
1944                 /* eg+ */
1945                 rb_num_width = 4;
1946         }
1947
1948         for (i = 0; i < max_rb_num; i++) {
1949                 if (!(mask & disabled_rb_mask)) {
1950                         for (j = 0; j < pipe_rb_ratio; j++) {
1951                                 data <<= rb_num_width;
1952                                 data |= max_rb_num - i - 1;
1953                         }
1954                         if (pipe_rb_remain) {
1955                                 data <<= rb_num_width;
1956                                 data |= max_rb_num - i - 1;
1957                                 pipe_rb_remain--;
1958                         }
1959                 }
1960                 mask >>= 1;
1961         }
1962
1963         return data;
1964 }
1965
1966 int r600_count_pipe_bits(uint32_t val)
1967 {
1968         return hweight32(val);
1969 }
1970
1971 static void r600_gpu_init(struct radeon_device *rdev)
1972 {
1973         u32 tiling_config;
1974         u32 ramcfg;
1975         u32 cc_gc_shader_pipe_config;
1976         u32 tmp;
1977         int i, j;
1978         u32 sq_config;
1979         u32 sq_gpr_resource_mgmt_1 = 0;
1980         u32 sq_gpr_resource_mgmt_2 = 0;
1981         u32 sq_thread_resource_mgmt = 0;
1982         u32 sq_stack_resource_mgmt_1 = 0;
1983         u32 sq_stack_resource_mgmt_2 = 0;
1984         u32 disabled_rb_mask;
1985
1986         rdev->config.r600.tiling_group_size = 256;
1987         switch (rdev->family) {
1988         case CHIP_R600:
1989                 rdev->config.r600.max_pipes = 4;
1990                 rdev->config.r600.max_tile_pipes = 8;
1991                 rdev->config.r600.max_simds = 4;
1992                 rdev->config.r600.max_backends = 4;
1993                 rdev->config.r600.max_gprs = 256;
1994                 rdev->config.r600.max_threads = 192;
1995                 rdev->config.r600.max_stack_entries = 256;
1996                 rdev->config.r600.max_hw_contexts = 8;
1997                 rdev->config.r600.max_gs_threads = 16;
1998                 rdev->config.r600.sx_max_export_size = 128;
1999                 rdev->config.r600.sx_max_export_pos_size = 16;
2000                 rdev->config.r600.sx_max_export_smx_size = 128;
2001                 rdev->config.r600.sq_num_cf_insts = 2;
2002                 break;
2003         case CHIP_RV630:
2004         case CHIP_RV635:
2005                 rdev->config.r600.max_pipes = 2;
2006                 rdev->config.r600.max_tile_pipes = 2;
2007                 rdev->config.r600.max_simds = 3;
2008                 rdev->config.r600.max_backends = 1;
2009                 rdev->config.r600.max_gprs = 128;
2010                 rdev->config.r600.max_threads = 192;
2011                 rdev->config.r600.max_stack_entries = 128;
2012                 rdev->config.r600.max_hw_contexts = 8;
2013                 rdev->config.r600.max_gs_threads = 4;
2014                 rdev->config.r600.sx_max_export_size = 128;
2015                 rdev->config.r600.sx_max_export_pos_size = 16;
2016                 rdev->config.r600.sx_max_export_smx_size = 128;
2017                 rdev->config.r600.sq_num_cf_insts = 2;
2018                 break;
2019         case CHIP_RV610:
2020         case CHIP_RV620:
2021         case CHIP_RS780:
2022         case CHIP_RS880:
2023                 rdev->config.r600.max_pipes = 1;
2024                 rdev->config.r600.max_tile_pipes = 1;
2025                 rdev->config.r600.max_simds = 2;
2026                 rdev->config.r600.max_backends = 1;
2027                 rdev->config.r600.max_gprs = 128;
2028                 rdev->config.r600.max_threads = 192;
2029                 rdev->config.r600.max_stack_entries = 128;
2030                 rdev->config.r600.max_hw_contexts = 4;
2031                 rdev->config.r600.max_gs_threads = 4;
2032                 rdev->config.r600.sx_max_export_size = 128;
2033                 rdev->config.r600.sx_max_export_pos_size = 16;
2034                 rdev->config.r600.sx_max_export_smx_size = 128;
2035                 rdev->config.r600.sq_num_cf_insts = 1;
2036                 break;
2037         case CHIP_RV670:
2038                 rdev->config.r600.max_pipes = 4;
2039                 rdev->config.r600.max_tile_pipes = 4;
2040                 rdev->config.r600.max_simds = 4;
2041                 rdev->config.r600.max_backends = 4;
2042                 rdev->config.r600.max_gprs = 192;
2043                 rdev->config.r600.max_threads = 192;
2044                 rdev->config.r600.max_stack_entries = 256;
2045                 rdev->config.r600.max_hw_contexts = 8;
2046                 rdev->config.r600.max_gs_threads = 16;
2047                 rdev->config.r600.sx_max_export_size = 128;
2048                 rdev->config.r600.sx_max_export_pos_size = 16;
2049                 rdev->config.r600.sx_max_export_smx_size = 128;
2050                 rdev->config.r600.sq_num_cf_insts = 2;
2051                 break;
2052         default:
2053                 break;
2054         }
2055
2056         /* Initialize HDP */
2057         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2058                 WREG32((0x2c14 + j), 0x00000000);
2059                 WREG32((0x2c18 + j), 0x00000000);
2060                 WREG32((0x2c1c + j), 0x00000000);
2061                 WREG32((0x2c20 + j), 0x00000000);
2062                 WREG32((0x2c24 + j), 0x00000000);
2063         }
2064
2065         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
2066
2067         /* Setup tiling */
2068         tiling_config = 0;
2069         ramcfg = RREG32(RAMCFG);
2070         switch (rdev->config.r600.max_tile_pipes) {
2071         case 1:
2072                 tiling_config |= PIPE_TILING(0);
2073                 break;
2074         case 2:
2075                 tiling_config |= PIPE_TILING(1);
2076                 break;
2077         case 4:
2078                 tiling_config |= PIPE_TILING(2);
2079                 break;
2080         case 8:
2081                 tiling_config |= PIPE_TILING(3);
2082                 break;
2083         default:
2084                 break;
2085         }
2086         rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
2087         rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2088         tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2089         tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
2090
2091         tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
2092         if (tmp > 3) {
2093                 tiling_config |= ROW_TILING(3);
2094                 tiling_config |= SAMPLE_SPLIT(3);
2095         } else {
2096                 tiling_config |= ROW_TILING(tmp);
2097                 tiling_config |= SAMPLE_SPLIT(tmp);
2098         }
2099         tiling_config |= BANK_SWAPS(1);
2100
2101         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
2102         tmp = rdev->config.r600.max_simds -
2103                 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
2104         rdev->config.r600.active_simds = tmp;
2105
2106         disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
2107         tmp = 0;
2108         for (i = 0; i < rdev->config.r600.max_backends; i++)
2109                 tmp |= (1 << i);
2110         /* if all the backends are disabled, fix it up here */
2111         if ((disabled_rb_mask & tmp) == tmp) {
2112                 for (i = 0; i < rdev->config.r600.max_backends; i++)
2113                         disabled_rb_mask &= ~(1 << i);
2114         }
2115         tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
2116         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
2117                                         R6XX_MAX_BACKENDS, disabled_rb_mask);
2118         tiling_config |= tmp << 16;
2119         rdev->config.r600.backend_map = tmp;
2120
2121         rdev->config.r600.tile_config = tiling_config;
2122         WREG32(GB_TILING_CONFIG, tiling_config);
2123         WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
2124         WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
2125         WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
2126
2127         tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
2128         WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
2129         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
2130
2131         /* Setup some CP states */
2132         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
2133         WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
2134
2135         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
2136                              SYNC_WALKER | SYNC_ALIGNER));
2137         /* Setup various GPU states */
2138         if (rdev->family == CHIP_RV670)
2139                 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
2140
2141         tmp = RREG32(SX_DEBUG_1);
2142         tmp |= SMX_EVENT_RELEASE;
2143         if ((rdev->family > CHIP_R600))
2144                 tmp |= ENABLE_NEW_SMX_ADDRESS;
2145         WREG32(SX_DEBUG_1, tmp);
2146
2147         if (((rdev->family) == CHIP_R600) ||
2148             ((rdev->family) == CHIP_RV630) ||
2149             ((rdev->family) == CHIP_RV610) ||
2150             ((rdev->family) == CHIP_RV620) ||
2151             ((rdev->family) == CHIP_RS780) ||
2152             ((rdev->family) == CHIP_RS880)) {
2153                 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
2154         } else {
2155                 WREG32(DB_DEBUG, 0);
2156         }
2157         WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
2158                                DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
2159
2160         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2161         WREG32(VGT_NUM_INSTANCES, 0);
2162
2163         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
2164         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
2165
2166         tmp = RREG32(SQ_MS_FIFO_SIZES);
2167         if (((rdev->family) == CHIP_RV610) ||
2168             ((rdev->family) == CHIP_RV620) ||
2169             ((rdev->family) == CHIP_RS780) ||
2170             ((rdev->family) == CHIP_RS880)) {
2171                 tmp = (CACHE_FIFO_SIZE(0xa) |
2172                        FETCH_FIFO_HIWATER(0xa) |
2173                        DONE_FIFO_HIWATER(0xe0) |
2174                        ALU_UPDATE_FIFO_HIWATER(0x8));
2175         } else if (((rdev->family) == CHIP_R600) ||
2176                    ((rdev->family) == CHIP_RV630)) {
2177                 tmp &= ~DONE_FIFO_HIWATER(0xff);
2178                 tmp |= DONE_FIFO_HIWATER(0x4);
2179         }
2180         WREG32(SQ_MS_FIFO_SIZES, tmp);
2181
2182         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
2183          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
2184          */
2185         sq_config = RREG32(SQ_CONFIG);
2186         sq_config &= ~(PS_PRIO(3) |
2187                        VS_PRIO(3) |
2188                        GS_PRIO(3) |
2189                        ES_PRIO(3));
2190         sq_config |= (DX9_CONSTS |
2191                       VC_ENABLE |
2192                       PS_PRIO(0) |
2193                       VS_PRIO(1) |
2194                       GS_PRIO(2) |
2195                       ES_PRIO(3));
2196
2197         if ((rdev->family) == CHIP_R600) {
2198                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
2199                                           NUM_VS_GPRS(124) |
2200                                           NUM_CLAUSE_TEMP_GPRS(4));
2201                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
2202                                           NUM_ES_GPRS(0));
2203                 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
2204                                            NUM_VS_THREADS(48) |
2205                                            NUM_GS_THREADS(4) |
2206                                            NUM_ES_THREADS(4));
2207                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
2208                                             NUM_VS_STACK_ENTRIES(128));
2209                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
2210                                             NUM_ES_STACK_ENTRIES(0));
2211         } else if (((rdev->family) == CHIP_RV610) ||
2212                    ((rdev->family) == CHIP_RV620) ||
2213                    ((rdev->family) == CHIP_RS780) ||
2214                    ((rdev->family) == CHIP_RS880)) {
2215                 /* no vertex cache */
2216                 sq_config &= ~VC_ENABLE;
2217
2218                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2219                                           NUM_VS_GPRS(44) |
2220                                           NUM_CLAUSE_TEMP_GPRS(2));
2221                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2222                                           NUM_ES_GPRS(17));
2223                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2224                                            NUM_VS_THREADS(78) |
2225                                            NUM_GS_THREADS(4) |
2226                                            NUM_ES_THREADS(31));
2227                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2228                                             NUM_VS_STACK_ENTRIES(40));
2229                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2230                                             NUM_ES_STACK_ENTRIES(16));
2231         } else if (((rdev->family) == CHIP_RV630) ||
2232                    ((rdev->family) == CHIP_RV635)) {
2233                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2234                                           NUM_VS_GPRS(44) |
2235                                           NUM_CLAUSE_TEMP_GPRS(2));
2236                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
2237                                           NUM_ES_GPRS(18));
2238                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2239                                            NUM_VS_THREADS(78) |
2240                                            NUM_GS_THREADS(4) |
2241                                            NUM_ES_THREADS(31));
2242                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2243                                             NUM_VS_STACK_ENTRIES(40));
2244                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2245                                             NUM_ES_STACK_ENTRIES(16));
2246         } else if ((rdev->family) == CHIP_RV670) {
2247                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2248                                           NUM_VS_GPRS(44) |
2249                                           NUM_CLAUSE_TEMP_GPRS(2));
2250                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2251                                           NUM_ES_GPRS(17));
2252                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2253                                            NUM_VS_THREADS(78) |
2254                                            NUM_GS_THREADS(4) |
2255                                            NUM_ES_THREADS(31));
2256                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
2257                                             NUM_VS_STACK_ENTRIES(64));
2258                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
2259                                             NUM_ES_STACK_ENTRIES(64));
2260         }
2261
2262         WREG32(SQ_CONFIG, sq_config);
2263         WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
2264         WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
2265         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2266         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2267         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2268
2269         if (((rdev->family) == CHIP_RV610) ||
2270             ((rdev->family) == CHIP_RV620) ||
2271             ((rdev->family) == CHIP_RS780) ||
2272             ((rdev->family) == CHIP_RS880)) {
2273                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2274         } else {
2275                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2276         }
2277
2278         /* More default values. 2D/3D driver should adjust as needed */
2279         WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2280                                          S1_X(0x4) | S1_Y(0xc)));
2281         WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2282                                          S1_X(0x2) | S1_Y(0x2) |
2283                                          S2_X(0xa) | S2_Y(0x6) |
2284                                          S3_X(0x6) | S3_Y(0xa)));
2285         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2286                                              S1_X(0x4) | S1_Y(0xc) |
2287                                              S2_X(0x1) | S2_Y(0x6) |
2288                                              S3_X(0xa) | S3_Y(0xe)));
2289         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2290                                              S5_X(0x0) | S5_Y(0x0) |
2291                                              S6_X(0xb) | S6_Y(0x4) |
2292                                              S7_X(0x7) | S7_Y(0x8)));
2293
2294         WREG32(VGT_STRMOUT_EN, 0);
2295         tmp = rdev->config.r600.max_pipes * 16;
2296         switch (rdev->family) {
2297         case CHIP_RV610:
2298         case CHIP_RV620:
2299         case CHIP_RS780:
2300         case CHIP_RS880:
2301                 tmp += 32;
2302                 break;
2303         case CHIP_RV670:
2304                 tmp += 128;
2305                 break;
2306         default:
2307                 break;
2308         }
2309         if (tmp > 256) {
2310                 tmp = 256;
2311         }
2312         WREG32(VGT_ES_PER_GS, 128);
2313         WREG32(VGT_GS_PER_ES, tmp);
2314         WREG32(VGT_GS_PER_VS, 2);
2315         WREG32(VGT_GS_VERTEX_REUSE, 16);
2316
2317         /* more default values. 2D/3D driver should adjust as needed */
2318         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2319         WREG32(VGT_STRMOUT_EN, 0);
2320         WREG32(SX_MISC, 0);
2321         WREG32(PA_SC_MODE_CNTL, 0);
2322         WREG32(PA_SC_AA_CONFIG, 0);
2323         WREG32(PA_SC_LINE_STIPPLE, 0);
2324         WREG32(SPI_INPUT_Z, 0);
2325         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2326         WREG32(CB_COLOR7_FRAG, 0);
2327
2328         /* Clear render buffer base addresses */
2329         WREG32(CB_COLOR0_BASE, 0);
2330         WREG32(CB_COLOR1_BASE, 0);
2331         WREG32(CB_COLOR2_BASE, 0);
2332         WREG32(CB_COLOR3_BASE, 0);
2333         WREG32(CB_COLOR4_BASE, 0);
2334         WREG32(CB_COLOR5_BASE, 0);
2335         WREG32(CB_COLOR6_BASE, 0);
2336         WREG32(CB_COLOR7_BASE, 0);
2337         WREG32(CB_COLOR7_FRAG, 0);
2338
2339         switch (rdev->family) {
2340         case CHIP_RV610:
2341         case CHIP_RV620:
2342         case CHIP_RS780:
2343         case CHIP_RS880:
2344                 tmp = TC_L2_SIZE(8);
2345                 break;
2346         case CHIP_RV630:
2347         case CHIP_RV635:
2348                 tmp = TC_L2_SIZE(4);
2349                 break;
2350         case CHIP_R600:
2351                 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2352                 break;
2353         default:
2354                 tmp = TC_L2_SIZE(0);
2355                 break;
2356         }
2357         WREG32(TC_CNTL, tmp);
2358
2359         tmp = RREG32(HDP_HOST_PATH_CNTL);
2360         WREG32(HDP_HOST_PATH_CNTL, tmp);
2361
2362         tmp = RREG32(ARB_POP);
2363         tmp |= ENABLE_TC128;
2364         WREG32(ARB_POP, tmp);
2365
2366         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2367         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2368                                NUM_CLIP_SEQ(3)));
2369         WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2370         WREG32(VC_ENHANCE, 0);
2371 }
2372
2373
2374 /*
2375  * Indirect registers accessor
2376  */
2377 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2378 {
2379         u32 r;
2380
2381         spin_lock(&rdev->pciep_idx_lock);
2382         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2383         (void)RREG32(PCIE_PORT_INDEX);
2384         r = RREG32(PCIE_PORT_DATA);
2385         spin_unlock(&rdev->pciep_idx_lock);
2386         return r;
2387 }
2388
2389 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2390 {
2391         spin_lock(&rdev->pciep_idx_lock);
2392         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2393         (void)RREG32(PCIE_PORT_INDEX);
2394         WREG32(PCIE_PORT_DATA, (v));
2395         (void)RREG32(PCIE_PORT_DATA);
2396         spin_unlock(&rdev->pciep_idx_lock);
2397 }
2398
2399 /*
2400  * CP & Ring
2401  */
2402 void r600_cp_stop(struct radeon_device *rdev)
2403 {
2404         if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2405                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2406         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2407         WREG32(SCRATCH_UMSK, 0);
2408         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2409 }
2410
2411 int r600_init_microcode(struct radeon_device *rdev)
2412 {
2413         const char *chip_name;
2414         const char *rlc_chip_name;
2415         const char *smc_chip_name = "RV770";
2416         size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
2417         char fw_name[30];
2418         int err;
2419
2420         DRM_DEBUG("\n");
2421
2422         switch (rdev->family) {
2423         case CHIP_R600:
2424                 chip_name = "R600";
2425                 rlc_chip_name = "R600";
2426                 break;
2427         case CHIP_RV610:
2428                 chip_name = "RV610";
2429                 rlc_chip_name = "R600";
2430                 break;
2431         case CHIP_RV630:
2432                 chip_name = "RV630";
2433                 rlc_chip_name = "R600";
2434                 break;
2435         case CHIP_RV620:
2436                 chip_name = "RV620";
2437                 rlc_chip_name = "R600";
2438                 break;
2439         case CHIP_RV635:
2440                 chip_name = "RV635";
2441                 rlc_chip_name = "R600";
2442                 break;
2443         case CHIP_RV670:
2444                 chip_name = "RV670";
2445                 rlc_chip_name = "R600";
2446                 break;
2447         case CHIP_RS780:
2448         case CHIP_RS880:
2449                 chip_name = "RS780";
2450                 rlc_chip_name = "R600";
2451                 break;
2452         case CHIP_RV770:
2453                 chip_name = "RV770";
2454                 rlc_chip_name = "R700";
2455                 smc_chip_name = "RV770";
2456                 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
2457                 break;
2458         case CHIP_RV730:
2459                 chip_name = "RV730";
2460                 rlc_chip_name = "R700";
2461                 smc_chip_name = "RV730";
2462                 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
2463                 break;
2464         case CHIP_RV710:
2465                 chip_name = "RV710";
2466                 rlc_chip_name = "R700";
2467                 smc_chip_name = "RV710";
2468                 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
2469                 break;
2470         case CHIP_RV740:
2471                 chip_name = "RV730";
2472                 rlc_chip_name = "R700";
2473                 smc_chip_name = "RV740";
2474                 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
2475                 break;
2476         case CHIP_CEDAR:
2477                 chip_name = "CEDAR";
2478                 rlc_chip_name = "CEDAR";
2479                 smc_chip_name = "CEDAR";
2480                 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
2481                 break;
2482         case CHIP_REDWOOD:
2483                 chip_name = "REDWOOD";
2484                 rlc_chip_name = "REDWOOD";
2485                 smc_chip_name = "REDWOOD";
2486                 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
2487                 break;
2488         case CHIP_JUNIPER:
2489                 chip_name = "JUNIPER";
2490                 rlc_chip_name = "JUNIPER";
2491                 smc_chip_name = "JUNIPER";
2492                 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
2493                 break;
2494         case CHIP_CYPRESS:
2495         case CHIP_HEMLOCK:
2496                 chip_name = "CYPRESS";
2497                 rlc_chip_name = "CYPRESS";
2498                 smc_chip_name = "CYPRESS";
2499                 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
2500                 break;
2501         case CHIP_PALM:
2502                 chip_name = "PALM";
2503                 rlc_chip_name = "SUMO";
2504                 break;
2505         case CHIP_SUMO:
2506                 chip_name = "SUMO";
2507                 rlc_chip_name = "SUMO";
2508                 break;
2509         case CHIP_SUMO2:
2510                 chip_name = "SUMO2";
2511                 rlc_chip_name = "SUMO";
2512                 break;
2513         default: BUG();
2514         }
2515
2516         if (rdev->family >= CHIP_CEDAR) {
2517                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2518                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2519                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2520         } else if (rdev->family >= CHIP_RV770) {
2521                 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2522                 me_req_size = R700_PM4_UCODE_SIZE * 4;
2523                 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2524         } else {
2525                 pfp_req_size = R600_PFP_UCODE_SIZE * 4;
2526                 me_req_size = R600_PM4_UCODE_SIZE * 12;
2527                 rlc_req_size = R600_RLC_UCODE_SIZE * 4;
2528         }
2529
2530         DRM_INFO("Loading %s Microcode\n", chip_name);
2531
2532         ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_pfp", chip_name);
2533         err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
2534         if (err)
2535                 goto out;
2536         if (rdev->pfp_fw->datasize != pfp_req_size) {
2537                 printk(KERN_ERR
2538                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2539                        rdev->pfp_fw->datasize, fw_name);
2540                 err = -EINVAL;
2541                 goto out;
2542         }
2543
2544         ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_me", chip_name);
2545         err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
2546         if (err)
2547                 goto out;
2548         if (rdev->me_fw->datasize != me_req_size) {
2549                 printk(KERN_ERR
2550                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2551                        rdev->me_fw->datasize, fw_name);
2552                 err = -EINVAL;
2553         }
2554
2555         ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_rlc", rlc_chip_name);
2556         err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
2557         if (err)
2558                 goto out;
2559         if (rdev->rlc_fw->datasize != rlc_req_size) {
2560                 printk(KERN_ERR
2561                        "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2562                        rdev->rlc_fw->datasize, fw_name);
2563                 err = -EINVAL;
2564         }
2565
2566         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
2567                 ksnprintf(fw_name, sizeof(fw_name), "radeonkmsfw_%s_smc", smc_chip_name);
2568
2569                 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
2570                 if (err) {
2571                         printk(KERN_ERR
2572                                "smc: error loading firmware \"%s\"\n",
2573                                fw_name);
2574                         release_firmware(rdev->smc_fw);
2575                         rdev->smc_fw = NULL;
2576                         err = 0;
2577                 } else if (rdev->smc_fw->datasize != smc_req_size) {
2578                         printk(KERN_ERR
2579                                "smc: Bogus length %zu in firmware \"%s\"\n",
2580                                rdev->smc_fw->datasize, fw_name);
2581                         err = -EINVAL;
2582                 }
2583         }
2584
2585 out:
2586         if (err) {
2587                 if (err != -EINVAL)
2588                         printk(KERN_ERR
2589                                "r600_cp: Failed to load firmware \"%s\"\n",
2590                                fw_name);
2591                 release_firmware(rdev->pfp_fw);
2592                 rdev->pfp_fw = NULL;
2593                 release_firmware(rdev->me_fw);
2594                 rdev->me_fw = NULL;
2595                 release_firmware(rdev->rlc_fw);
2596                 rdev->rlc_fw = NULL;
2597                 release_firmware(rdev->smc_fw);
2598                 rdev->smc_fw = NULL;
2599         }
2600         return err;
2601 }
2602
2603 u32 r600_gfx_get_rptr(struct radeon_device *rdev,
2604                       struct radeon_ring *ring)
2605 {
2606         u32 rptr;
2607
2608         if (rdev->wb.enabled)
2609                 rptr = rdev->wb.wb[ring->rptr_offs/4];
2610         else
2611                 rptr = RREG32(R600_CP_RB_RPTR);
2612
2613         return rptr;
2614 }
2615
2616 u32 r600_gfx_get_wptr(struct radeon_device *rdev,
2617                       struct radeon_ring *ring)
2618 {
2619         u32 wptr;
2620
2621         wptr = RREG32(R600_CP_RB_WPTR);
2622
2623         return wptr;
2624 }
2625
2626 void r600_gfx_set_wptr(struct radeon_device *rdev,
2627                        struct radeon_ring *ring)
2628 {
2629         WREG32(R600_CP_RB_WPTR, ring->wptr);
2630         (void)RREG32(R600_CP_RB_WPTR);
2631 }
2632
2633 /**
2634  * r600_fini_microcode - drop the firmwares image references
2635  *
2636  * @rdev: radeon_device pointer
2637  *
2638  * Drop the pfp, me and rlc firmwares image references.
2639  * Called at driver shutdown.
2640  */
2641 void r600_fini_microcode(struct radeon_device *rdev)
2642 {
2643         release_firmware(rdev->pfp_fw);
2644         rdev->pfp_fw = NULL;
2645         release_firmware(rdev->me_fw);
2646         rdev->me_fw = NULL;
2647         release_firmware(rdev->rlc_fw);
2648         rdev->rlc_fw = NULL;
2649         release_firmware(rdev->smc_fw);
2650         rdev->smc_fw = NULL;
2651 }
2652
2653 static int r600_cp_load_microcode(struct radeon_device *rdev)
2654 {
2655         const __be32 *fw_data;
2656         int i;
2657
2658         if (!rdev->me_fw || !rdev->pfp_fw)
2659                 return -EINVAL;
2660
2661         r600_cp_stop(rdev);
2662
2663         WREG32(CP_RB_CNTL,
2664 #ifdef __BIG_ENDIAN
2665                BUF_SWAP_32BIT |
2666 #endif
2667                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2668
2669         /* Reset cp */
2670         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2671         RREG32(GRBM_SOFT_RESET);
2672         mdelay(15);
2673         WREG32(GRBM_SOFT_RESET, 0);
2674
2675         WREG32(CP_ME_RAM_WADDR, 0);
2676
2677         fw_data = (const __be32 *)rdev->me_fw->data;
2678         WREG32(CP_ME_RAM_WADDR, 0);
2679         for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
2680                 WREG32(CP_ME_RAM_DATA,
2681                        be32_to_cpup(fw_data++));
2682
2683         fw_data = (const __be32 *)rdev->pfp_fw->data;
2684         WREG32(CP_PFP_UCODE_ADDR, 0);
2685         for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
2686                 WREG32(CP_PFP_UCODE_DATA,
2687                        be32_to_cpup(fw_data++));
2688
2689         WREG32(CP_PFP_UCODE_ADDR, 0);
2690         WREG32(CP_ME_RAM_WADDR, 0);
2691         WREG32(CP_ME_RAM_RADDR, 0);
2692         return 0;
2693 }
2694
2695 int r600_cp_start(struct radeon_device *rdev)
2696 {
2697         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2698         int r;
2699         uint32_t cp_me;
2700
2701         r = radeon_ring_lock(rdev, ring, 7);
2702         if (r) {
2703                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2704                 return r;
2705         }
2706         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2707         radeon_ring_write(ring, 0x1);
2708         if (rdev->family >= CHIP_RV770) {
2709                 radeon_ring_write(ring, 0x0);
2710                 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2711         } else {
2712                 radeon_ring_write(ring, 0x3);
2713                 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2714         }
2715         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2716         radeon_ring_write(ring, 0);
2717         radeon_ring_write(ring, 0);
2718         radeon_ring_unlock_commit(rdev, ring, false);
2719
2720         cp_me = 0xff;
2721         WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2722         return 0;
2723 }
2724
2725 int r600_cp_resume(struct radeon_device *rdev)
2726 {
2727         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2728         u32 tmp;
2729         u32 rb_bufsz;
2730         int r;
2731
2732         /* Reset cp */
2733         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2734         RREG32(GRBM_SOFT_RESET);
2735         mdelay(15);
2736         WREG32(GRBM_SOFT_RESET, 0);
2737
2738         /* Set ring buffer size */
2739         rb_bufsz = order_base_2(ring->ring_size / 8);
2740         tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2741 #ifdef __BIG_ENDIAN
2742         tmp |= BUF_SWAP_32BIT;
2743 #endif
2744         WREG32(CP_RB_CNTL, tmp);
2745         WREG32(CP_SEM_WAIT_TIMER, 0x0);
2746
2747         /* Set the write pointer delay */
2748         WREG32(CP_RB_WPTR_DELAY, 0);
2749
2750         /* Initialize the ring buffer's read and write pointers */
2751         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2752         WREG32(CP_RB_RPTR_WR, 0);
2753         ring->wptr = 0;
2754         WREG32(CP_RB_WPTR, ring->wptr);
2755
2756         /* set the wb address whether it's enabled or not */
2757         WREG32(CP_RB_RPTR_ADDR,
2758                ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2759         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2760         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2761
2762         if (rdev->wb.enabled)
2763                 WREG32(SCRATCH_UMSK, 0xff);
2764         else {
2765                 tmp |= RB_NO_UPDATE;
2766                 WREG32(SCRATCH_UMSK, 0);
2767         }
2768
2769         mdelay(1);
2770         WREG32(CP_RB_CNTL, tmp);
2771
2772         WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2773         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2774
2775         r600_cp_start(rdev);
2776         ring->ready = true;
2777         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2778         if (r) {
2779                 ring->ready = false;
2780                 return r;
2781         }
2782
2783         if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2784                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2785
2786         return 0;
2787 }
2788
2789 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2790 {
2791         u32 rb_bufsz;
2792         int r;
2793
2794         /* Align ring size */
2795         rb_bufsz = order_base_2(ring_size / 8);
2796         ring_size = (1 << (rb_bufsz + 1)) * 4;
2797         ring->ring_size = ring_size;
2798         ring->align_mask = 16 - 1;
2799
2800         if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2801                 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2802                 if (r) {
2803                         DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2804                         ring->rptr_save_reg = 0;
2805                 }
2806         }
2807 }
2808
2809 void r600_cp_fini(struct radeon_device *rdev)
2810 {
2811         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2812         r600_cp_stop(rdev);
2813         radeon_ring_fini(rdev, ring);
2814         radeon_scratch_free(rdev, ring->rptr_save_reg);
2815 }
2816
2817 /*
2818  * GPU scratch registers helpers function.
2819  */
2820 void r600_scratch_init(struct radeon_device *rdev)
2821 {
2822         int i;
2823
2824         rdev->scratch.num_reg = 7;
2825         rdev->scratch.reg_base = SCRATCH_REG0;
2826         for (i = 0; i < rdev->scratch.num_reg; i++) {
2827                 rdev->scratch.free[i] = true;
2828                 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2829         }
2830 }
2831
2832 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2833 {
2834         uint32_t scratch;
2835         uint32_t tmp = 0;
2836         unsigned i;
2837         int r;
2838
2839         r = radeon_scratch_get(rdev, &scratch);
2840         if (r) {
2841                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2842                 return r;
2843         }
2844         WREG32(scratch, 0xCAFEDEAD);
2845         r = radeon_ring_lock(rdev, ring, 3);
2846         if (r) {
2847                 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2848                 radeon_scratch_free(rdev, scratch);
2849                 return r;
2850         }
2851         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2852         radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2853         radeon_ring_write(ring, 0xDEADBEEF);
2854         radeon_ring_unlock_commit(rdev, ring, false);
2855         for (i = 0; i < rdev->usec_timeout; i++) {
2856                 tmp = RREG32(scratch);
2857                 if (tmp == 0xDEADBEEF)
2858                         break;
2859                 DRM_UDELAY(1);
2860         }
2861         if (i < rdev->usec_timeout) {
2862                 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2863         } else {
2864                 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2865                           ring->idx, scratch, tmp);
2866                 r = -EINVAL;
2867         }
2868         radeon_scratch_free(rdev, scratch);
2869         return r;
2870 }
2871
2872 /*
2873  * CP fences/semaphores
2874  */
2875
2876 void r600_fence_ring_emit(struct radeon_device *rdev,
2877                           struct radeon_fence *fence)
2878 {
2879         struct radeon_ring *ring = &rdev->ring[fence->ring];
2880         u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA |
2881                 PACKET3_SH_ACTION_ENA;
2882
2883         if (rdev->family >= CHIP_RV770)
2884                 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA;
2885
2886         if (rdev->wb.use_event) {
2887                 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2888                 /* flush read cache over gart */
2889                 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2890                 radeon_ring_write(ring, cp_coher_cntl);
2891                 radeon_ring_write(ring, 0xFFFFFFFF);
2892                 radeon_ring_write(ring, 0);
2893                 radeon_ring_write(ring, 10); /* poll interval */
2894                 /* EVENT_WRITE_EOP - flush caches, send int */
2895                 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2896                 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2897                 radeon_ring_write(ring, lower_32_bits(addr));
2898                 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2899                 radeon_ring_write(ring, fence->seq);
2900                 radeon_ring_write(ring, 0);
2901         } else {
2902                 /* flush read cache over gart */
2903                 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2904                 radeon_ring_write(ring, cp_coher_cntl);
2905                 radeon_ring_write(ring, 0xFFFFFFFF);
2906                 radeon_ring_write(ring, 0);
2907                 radeon_ring_write(ring, 10); /* poll interval */
2908                 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2909                 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2910                 /* wait for 3D idle clean */
2911                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2912                 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2913                 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2914                 /* Emit fence sequence & fire IRQ */
2915                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2916                 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2917                 radeon_ring_write(ring, fence->seq);
2918                 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2919                 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2920                 radeon_ring_write(ring, RB_INT_STAT);
2921         }
2922 }
2923
2924 /**
2925  * r600_semaphore_ring_emit - emit a semaphore on the CP ring
2926  *
2927  * @rdev: radeon_device pointer
2928  * @ring: radeon ring buffer object
2929  * @semaphore: radeon semaphore object
2930  * @emit_wait: Is this a sempahore wait?
2931  *
2932  * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
2933  * from running ahead of semaphore waits.
2934  */
2935 bool r600_semaphore_ring_emit(struct radeon_device *rdev,
2936                               struct radeon_ring *ring,
2937                               struct radeon_semaphore *semaphore,
2938                               bool emit_wait)
2939 {
2940         uint64_t addr = semaphore->gpu_addr;
2941         unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
2942
2943         if (rdev->family < CHIP_CAYMAN)
2944                 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
2945
2946         radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
2947         radeon_ring_write(ring, lower_32_bits(addr));
2948         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
2949
2950         /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */
2951         if (emit_wait && (rdev->family >= CHIP_CEDAR)) {
2952                 /* Prevent the PFP from running ahead of the semaphore wait */
2953                 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2954                 radeon_ring_write(ring, 0x0);
2955         }
2956
2957         return true;
2958 }
2959
2960 /**
2961  * r600_copy_cpdma - copy pages using the CP DMA engine
2962  *
2963  * @rdev: radeon_device pointer
2964  * @src_offset: src GPU address
2965  * @dst_offset: dst GPU address
2966  * @num_gpu_pages: number of GPU pages to xfer
2967  * @fence: radeon fence object
2968  *
2969  * Copy GPU paging using the CP DMA engine (r6xx+).
2970  * Used by the radeon ttm implementation to move pages if
2971  * registered as the asic copy callback.
2972  */
2973 struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
2974                                      uint64_t src_offset, uint64_t dst_offset,
2975                                      unsigned num_gpu_pages,
2976                                      struct reservation_object *resv)
2977 {
2978         struct radeon_fence *fence;
2979         struct radeon_sync sync;
2980         int ring_index = rdev->asic->copy.blit_ring_index;
2981         struct radeon_ring *ring = &rdev->ring[ring_index];
2982         u32 size_in_bytes, cur_size_in_bytes, tmp;
2983         int i, num_loops;
2984         int r = 0;
2985
2986         radeon_sync_create(&sync);
2987
2988         size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
2989         num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
2990         r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
2991         if (r) {
2992                 DRM_ERROR("radeon: moving bo (%d).\n", r);
2993                 radeon_sync_free(rdev, &sync, NULL);
2994                 return ERR_PTR(r);
2995         }
2996
2997         radeon_sync_resv(rdev, &sync, resv, false);
2998         radeon_sync_rings(rdev, &sync, ring->idx);
2999
3000         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3001         radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3002         radeon_ring_write(ring, WAIT_3D_IDLE_bit);
3003         for (i = 0; i < num_loops; i++) {
3004                 cur_size_in_bytes = size_in_bytes;
3005                 if (cur_size_in_bytes > 0x1fffff)
3006                         cur_size_in_bytes = 0x1fffff;
3007                 size_in_bytes -= cur_size_in_bytes;
3008                 tmp = upper_32_bits(src_offset) & 0xff;
3009                 if (size_in_bytes == 0)
3010                         tmp |= PACKET3_CP_DMA_CP_SYNC;
3011                 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
3012                 radeon_ring_write(ring, lower_32_bits(src_offset));
3013                 radeon_ring_write(ring, tmp);
3014                 radeon_ring_write(ring, lower_32_bits(dst_offset));
3015                 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
3016                 radeon_ring_write(ring, cur_size_in_bytes);
3017                 src_offset += cur_size_in_bytes;
3018                 dst_offset += cur_size_in_bytes;
3019         }
3020         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3021         radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3022         radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
3023
3024         r = radeon_fence_emit(rdev, &fence, ring->idx);
3025         if (r) {
3026                 radeon_ring_unlock_undo(rdev, ring);
3027                 radeon_sync_free(rdev, &sync, NULL);
3028                 return ERR_PTR(r);
3029         }
3030
3031         radeon_ring_unlock_commit(rdev, ring, false);
3032         radeon_sync_free(rdev, &sync, fence);
3033
3034         return fence;
3035 }
3036
3037 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
3038                          uint32_t tiling_flags, uint32_t pitch,
3039                          uint32_t offset, uint32_t obj_size)
3040 {
3041         /* FIXME: implement */
3042         return 0;
3043 }
3044
3045 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
3046 {
3047         /* FIXME: implement */
3048 }
3049
3050 static void r600_uvd_init(struct radeon_device *rdev)
3051 {
3052         int r;
3053
3054         if (!rdev->has_uvd)
3055                 return;
3056
3057         r = radeon_uvd_init(rdev);
3058         if (r) {
3059                 dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
3060                 /*
3061                  * At this point rdev->uvd.vcpu_bo is NULL which trickles down
3062                  * to early fails uvd_v1_0_resume() and thus nothing happens
3063                  * there. So it is pointless to try to go through that code
3064                  * hence why we disable uvd here.
3065                  */
3066                 rdev->has_uvd = 0;
3067                 return;
3068         }
3069         rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
3070         r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
3071 }
3072
3073 static void r600_uvd_start(struct radeon_device *rdev)
3074 {
3075         int r;
3076
3077         if (!rdev->has_uvd)
3078                 return;
3079
3080         r = uvd_v1_0_resume(rdev);
3081         if (r) {
3082                 dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
3083                 goto error;
3084         }
3085         r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
3086         if (r) {
3087                 dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
3088                 goto error;
3089         }
3090         return;
3091
3092 error:
3093         rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
3094 }
3095
3096 static void r600_uvd_resume(struct radeon_device *rdev)
3097 {
3098         struct radeon_ring *ring;
3099         int r;
3100
3101         if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
3102                 return;
3103
3104         ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
3105         r = radeon_ring_init(rdev, ring, ring->ring_size, 0, RADEON_CP_PACKET2);
3106         if (r) {
3107                 dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
3108                 return;
3109         }
3110         r = uvd_v1_0_init(rdev);
3111         if (r) {
3112                 dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
3113                 return;
3114         }
3115 }
3116
3117 static int r600_startup(struct radeon_device *rdev)
3118 {
3119         struct radeon_ring *ring;
3120         int r;
3121
3122         /* enable pcie gen2 link */
3123         r600_pcie_gen2_enable(rdev);
3124
3125         /* scratch needs to be initialized before MC */
3126         r = r600_vram_scratch_init(rdev);
3127         if (r)
3128                 return r;
3129
3130         r600_mc_program(rdev);
3131
3132         if (rdev->flags & RADEON_IS_AGP) {
3133                 r600_agp_enable(rdev);
3134         } else {
3135                 r = r600_pcie_gart_enable(rdev);
3136                 if (r)
3137                         return r;
3138         }
3139         r600_gpu_init(rdev);
3140
3141         /* allocate wb buffer */
3142         r = radeon_wb_init(rdev);
3143         if (r)
3144                 return r;
3145
3146         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3147         if (r) {
3148                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3149                 return r;
3150         }
3151
3152         r600_uvd_start(rdev);
3153
3154         /* Enable IRQ */
3155         if (!rdev->irq.installed) {
3156                 r = radeon_irq_kms_init(rdev);
3157                 if (r)
3158                         return r;
3159         }
3160
3161         r = r600_irq_init(rdev);
3162         if (r) {
3163                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3164                 radeon_irq_kms_fini(rdev);
3165                 return r;
3166         }
3167         r600_irq_set(rdev);
3168
3169         ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3170         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3171                              RADEON_CP_PACKET2);
3172         if (r)
3173                 return r;
3174
3175         r = r600_cp_load_microcode(rdev);
3176         if (r)
3177                 return r;
3178         r = r600_cp_resume(rdev);
3179         if (r)
3180                 return r;
3181
3182         r600_uvd_resume(rdev);
3183
3184         r = radeon_ib_pool_init(rdev);
3185         if (r) {
3186                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3187                 return r;
3188         }
3189
3190         r = radeon_audio_init(rdev);
3191         if (r) {
3192                 DRM_ERROR("radeon: audio init failed\n");
3193                 return r;
3194         }
3195
3196         return 0;
3197 }
3198
3199 void r600_vga_set_state(struct radeon_device *rdev, bool state)
3200 {
3201         uint32_t temp;
3202
3203         temp = RREG32(CONFIG_CNTL);
3204         if (state == false) {
3205                 temp &= ~(1<<0);
3206                 temp |= (1<<1);
3207         } else {
3208                 temp &= ~(1<<1);
3209         }
3210         WREG32(CONFIG_CNTL, temp);
3211 }
3212
3213 int r600_resume(struct radeon_device *rdev)
3214 {
3215         int r;
3216
3217         /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
3218          * posting will perform necessary task to bring back GPU into good
3219          * shape.
3220          */
3221         /* post card */
3222         atom_asic_init(rdev->mode_info.atom_context);
3223
3224         if (rdev->pm.pm_method == PM_METHOD_DPM)
3225                 radeon_pm_resume(rdev);
3226
3227         rdev->accel_working = true;
3228         r = r600_startup(rdev);
3229         if (r) {
3230                 DRM_ERROR("r600 startup failed on resume\n");
3231                 rdev->accel_working = false;
3232                 return r;
3233         }
3234
3235         return r;
3236 }
3237
3238 int r600_suspend(struct radeon_device *rdev)
3239 {
3240         radeon_pm_suspend(rdev);
3241         radeon_audio_fini(rdev);
3242         r600_cp_stop(rdev);
3243         if (rdev->has_uvd) {
3244                 uvd_v1_0_fini(rdev);
3245                 radeon_uvd_suspend(rdev);
3246         }
3247         r600_irq_suspend(rdev);
3248         radeon_wb_disable(rdev);
3249         r600_pcie_gart_disable(rdev);
3250
3251         return 0;
3252 }
3253
3254 /* Plan is to move initialization in that function and use
3255  * helper function so that radeon_device_init pretty much
3256  * do nothing more than calling asic specific function. This
3257  * should also allow to remove a bunch of callback function
3258  * like vram_info.
3259  */
3260 int r600_init(struct radeon_device *rdev)
3261 {
3262         int r;
3263
3264         if (r600_debugfs_mc_info_init(rdev)) {
3265                 DRM_ERROR("Failed to register debugfs file for mc !\n");
3266         }
3267         /* Read BIOS */
3268         if (!radeon_get_bios(rdev)) {
3269                 if (ASIC_IS_AVIVO(rdev))
3270                         return -EINVAL;
3271         }
3272         /* Must be an ATOMBIOS */
3273         if (!rdev->is_atom_bios) {
3274                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3275                 return -EINVAL;
3276         }
3277         r = radeon_atombios_init(rdev);
3278         if (r)
3279                 return r;
3280         /* Post card if necessary */
3281         if (!radeon_card_posted(rdev)) {
3282                 if (!rdev->bios) {
3283                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3284                         return -EINVAL;
3285                 }
3286                 DRM_INFO("GPU not posted. posting now...\n");
3287                 atom_asic_init(rdev->mode_info.atom_context);
3288         }
3289         /* Initialize scratch registers */
3290         r600_scratch_init(rdev);
3291         /* Initialize surface registers */
3292         radeon_surface_init(rdev);
3293         /* Initialize clocks */
3294         radeon_get_clock_info(rdev->ddev);
3295         /* Fence driver */
3296         r = radeon_fence_driver_init(rdev);
3297         if (r)
3298                 return r;
3299         if (rdev->flags & RADEON_IS_AGP) {
3300                 r = radeon_agp_init(rdev);
3301                 if (r)
3302                         radeon_agp_disable(rdev);
3303         }
3304         r = r600_mc_init(rdev);
3305         if (r)
3306                 return r;
3307         /* Memory manager */
3308         r = radeon_bo_init(rdev);
3309         if (r)
3310                 return r;
3311
3312         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3313                 r = r600_init_microcode(rdev);
3314                 if (r) {
3315                         DRM_ERROR("Failed to load firmware!\n");
3316                         return r;
3317                 }
3318         }
3319
3320         /* Initialize power management */
3321         radeon_pm_init(rdev);
3322
3323         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3324         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3325
3326         r600_uvd_init(rdev);
3327
3328         rdev->ih.ring_obj = NULL;
3329         r600_ih_ring_init(rdev, 64 * 1024);
3330
3331         r = r600_pcie_gart_init(rdev);
3332         if (r)
3333                 return r;
3334
3335         rdev->accel_working = true;
3336         r = r600_startup(rdev);
3337         if (r) {
3338                 dev_err(rdev->dev, "disabling GPU acceleration\n");
3339                 r600_cp_fini(rdev);
3340                 r600_irq_fini(rdev);
3341                 radeon_wb_fini(rdev);
3342                 radeon_ib_pool_fini(rdev);
3343                 radeon_irq_kms_fini(rdev);
3344                 r600_pcie_gart_fini(rdev);
3345                 rdev->accel_working = false;
3346         }
3347
3348         return 0;
3349 }
3350
3351 void r600_fini(struct radeon_device *rdev)
3352 {
3353         radeon_pm_fini(rdev);
3354         radeon_audio_fini(rdev);
3355         r600_cp_fini(rdev);
3356         r600_irq_fini(rdev);
3357         if (rdev->has_uvd) {
3358                 uvd_v1_0_fini(rdev);
3359                 radeon_uvd_fini(rdev);
3360         }
3361         radeon_wb_fini(rdev);
3362         radeon_ib_pool_fini(rdev);
3363         radeon_irq_kms_fini(rdev);
3364         r600_pcie_gart_fini(rdev);
3365         r600_vram_scratch_fini(rdev);
3366         radeon_agp_fini(rdev);
3367         radeon_gem_fini(rdev);
3368         radeon_fence_driver_fini(rdev);
3369         radeon_bo_fini(rdev);
3370         radeon_atombios_fini(rdev);
3371         r600_fini_microcode(rdev);
3372         kfree(rdev->bios);
3373         rdev->bios = NULL;
3374 }
3375
3376
3377 /*
3378  * CS stuff
3379  */
3380 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3381 {
3382         struct radeon_ring *ring = &rdev->ring[ib->ring];
3383         u32 next_rptr;
3384
3385         if (ring->rptr_save_reg) {
3386                 next_rptr = ring->wptr + 3 + 4;
3387                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3388                 radeon_ring_write(ring, ((ring->rptr_save_reg -
3389                                          PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3390                 radeon_ring_write(ring, next_rptr);
3391         } else if (rdev->wb.enabled) {
3392                 next_rptr = ring->wptr + 5 + 4;
3393                 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3394                 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3395                 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3396                 radeon_ring_write(ring, next_rptr);
3397                 radeon_ring_write(ring, 0);
3398         }
3399
3400         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3401         radeon_ring_write(ring,
3402 #ifdef __BIG_ENDIAN
3403                           (2 << 0) |
3404 #endif
3405                           (ib->gpu_addr & 0xFFFFFFFC));
3406         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3407         radeon_ring_write(ring, ib->length_dw);
3408 }
3409
3410 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3411 {
3412         struct radeon_ib ib;
3413         uint32_t scratch;
3414         uint32_t tmp = 0;
3415         unsigned i;
3416         int r;
3417
3418         r = radeon_scratch_get(rdev, &scratch);
3419         if (r) {
3420                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3421                 return r;
3422         }
3423         WREG32(scratch, 0xCAFEDEAD);
3424         r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3425         if (r) {
3426                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3427                 goto free_scratch;
3428         }
3429         ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3430         ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3431         ib.ptr[2] = 0xDEADBEEF;
3432         ib.length_dw = 3;
3433         r = radeon_ib_schedule(rdev, &ib, NULL, false);
3434         if (r) {
3435                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3436                 goto free_ib;
3437         }
3438         r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3439                 RADEON_USEC_IB_TEST_TIMEOUT));
3440         if (r < 0) {
3441                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3442                 goto free_ib;
3443         } else if (r == 0) {
3444                 DRM_ERROR("radeon: fence wait timed out.\n");
3445                 r = -ETIMEDOUT;
3446                 goto free_ib;
3447         }
3448         r = 0;
3449         for (i = 0; i < rdev->usec_timeout; i++) {
3450                 tmp = RREG32(scratch);
3451                 if (tmp == 0xDEADBEEF)
3452                         break;
3453                 DRM_UDELAY(1);
3454         }
3455         if (i < rdev->usec_timeout) {
3456                 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3457         } else {
3458                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3459                           scratch, tmp);
3460                 r = -EINVAL;
3461         }
3462 free_ib:
3463         radeon_ib_free(rdev, &ib);
3464 free_scratch:
3465         radeon_scratch_free(rdev, scratch);
3466         return r;
3467 }
3468
3469 /*
3470  * Interrupts
3471  *
3472  * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
3473  * the same as the CP ring buffer, but in reverse.  Rather than the CPU
3474  * writing to the ring and the GPU consuming, the GPU writes to the ring
3475  * and host consumes.  As the host irq handler processes interrupts, it
3476  * increments the rptr.  When the rptr catches up with the wptr, all the
3477  * current interrupts have been processed.
3478  */
3479
3480 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3481 {
3482         u32 rb_bufsz;
3483
3484         /* Align ring size */
3485         rb_bufsz = order_base_2(ring_size / 4);
3486         ring_size = (1 << rb_bufsz) * 4;
3487         rdev->ih.ring_size = ring_size;
3488         rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3489         rdev->ih.rptr = 0;
3490 }
3491
3492 int r600_ih_ring_alloc(struct radeon_device *rdev)
3493 {
3494         int r;
3495         void *ring_ptr = &rdev->ih.ring;
3496
3497         /* Allocate ring buffer */
3498         if (rdev->ih.ring_obj == NULL) {
3499                 r = radeon_bo_create(rdev, rdev->ih.ring_size,
3500                                      PAGE_SIZE, true,
3501                                      RADEON_GEM_DOMAIN_GTT, 0,
3502                                      NULL, NULL, &rdev->ih.ring_obj);
3503                 if (r) {
3504                         DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3505                         return r;
3506                 }
3507                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3508                 if (unlikely(r != 0))
3509                         return r;
3510                 r = radeon_bo_pin(rdev->ih.ring_obj,
3511                                   RADEON_GEM_DOMAIN_GTT,
3512                                   (u64 *)&rdev->ih.gpu_addr);
3513                 if (r) {
3514                         radeon_bo_unreserve(rdev->ih.ring_obj);
3515                         DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3516                         return r;
3517                 }
3518                 r = radeon_bo_kmap(rdev->ih.ring_obj,
3519                                    ring_ptr);
3520                 radeon_bo_unreserve(rdev->ih.ring_obj);
3521                 if (r) {
3522                         DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3523                         return r;
3524                 }
3525         }
3526         return 0;
3527 }
3528
3529 void r600_ih_ring_fini(struct radeon_device *rdev)
3530 {
3531         int r;
3532         if (rdev->ih.ring_obj) {
3533                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3534                 if (likely(r == 0)) {
3535                         radeon_bo_kunmap(rdev->ih.ring_obj);
3536                         radeon_bo_unpin(rdev->ih.ring_obj);
3537                         radeon_bo_unreserve(rdev->ih.ring_obj);
3538                 }
3539                 radeon_bo_unref(&rdev->ih.ring_obj);
3540                 rdev->ih.ring = NULL;
3541                 rdev->ih.ring_obj = NULL;
3542         }
3543 }
3544
3545 void r600_rlc_stop(struct radeon_device *rdev)
3546 {
3547
3548         if ((rdev->family >= CHIP_RV770) &&
3549             (rdev->family <= CHIP_RV740)) {
3550                 /* r7xx asics need to soft reset RLC before halting */
3551                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3552                 RREG32(SRBM_SOFT_RESET);
3553                 mdelay(15);
3554                 WREG32(SRBM_SOFT_RESET, 0);
3555                 RREG32(SRBM_SOFT_RESET);
3556         }
3557
3558         WREG32(RLC_CNTL, 0);
3559 }
3560
3561 static void r600_rlc_start(struct radeon_device *rdev)
3562 {
3563         WREG32(RLC_CNTL, RLC_ENABLE);
3564 }
3565
3566 static int r600_rlc_resume(struct radeon_device *rdev)
3567 {
3568         u32 i;
3569         const __be32 *fw_data;
3570
3571         if (!rdev->rlc_fw)
3572                 return -EINVAL;
3573
3574         r600_rlc_stop(rdev);
3575
3576         WREG32(RLC_HB_CNTL, 0);
3577
3578         WREG32(RLC_HB_BASE, 0);
3579         WREG32(RLC_HB_RPTR, 0);
3580         WREG32(RLC_HB_WPTR, 0);
3581         WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3582         WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
3583         WREG32(RLC_MC_CNTL, 0);
3584         WREG32(RLC_UCODE_CNTL, 0);
3585
3586         fw_data = (const __be32 *)rdev->rlc_fw->data;
3587         if (rdev->family >= CHIP_RV770) {
3588                 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3589                         WREG32(RLC_UCODE_ADDR, i);
3590                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3591                 }
3592         } else {
3593                 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
3594                         WREG32(RLC_UCODE_ADDR, i);
3595                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3596                 }
3597         }
3598         WREG32(RLC_UCODE_ADDR, 0);
3599
3600         r600_rlc_start(rdev);
3601
3602         return 0;
3603 }
3604
3605 static void r600_enable_interrupts(struct radeon_device *rdev)
3606 {
3607         u32 ih_cntl = RREG32(IH_CNTL);
3608         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3609
3610         ih_cntl |= ENABLE_INTR;
3611         ih_rb_cntl |= IH_RB_ENABLE;
3612         WREG32(IH_CNTL, ih_cntl);
3613         WREG32(IH_RB_CNTL, ih_rb_cntl);
3614         rdev->ih.enabled = true;
3615 }
3616
3617 void r600_disable_interrupts(struct radeon_device *rdev)
3618 {
3619         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3620         u32 ih_cntl = RREG32(IH_CNTL);
3621
3622         ih_rb_cntl &= ~IH_RB_ENABLE;
3623         ih_cntl &= ~ENABLE_INTR;
3624         WREG32(IH_RB_CNTL, ih_rb_cntl);
3625         WREG32(IH_CNTL, ih_cntl);
3626         /* set rptr, wptr to 0 */
3627         WREG32(IH_RB_RPTR, 0);
3628         WREG32(IH_RB_WPTR, 0);
3629         rdev->ih.enabled = false;
3630         rdev->ih.rptr = 0;
3631 }
3632
3633 static void r600_disable_interrupt_state(struct radeon_device *rdev)
3634 {
3635         u32 tmp;
3636
3637         WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3638         tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3639         WREG32(DMA_CNTL, tmp);
3640         WREG32(GRBM_INT_CNTL, 0);
3641         WREG32(DxMODE_INT_MASK, 0);
3642         WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3643         WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3644         if (ASIC_IS_DCE3(rdev)) {
3645                 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3646                 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3647                 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3648                 WREG32(DC_HPD1_INT_CONTROL, tmp);
3649                 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3650                 WREG32(DC_HPD2_INT_CONTROL, tmp);
3651                 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3652                 WREG32(DC_HPD3_INT_CONTROL, tmp);
3653                 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3654                 WREG32(DC_HPD4_INT_CONTROL, tmp);
3655                 if (ASIC_IS_DCE32(rdev)) {
3656                         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3657                         WREG32(DC_HPD5_INT_CONTROL, tmp);
3658                         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3659                         WREG32(DC_HPD6_INT_CONTROL, tmp);
3660                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3661                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3662                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3663                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3664                 } else {
3665                         tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3666                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3667                         tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3668                         WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3669                 }
3670         } else {
3671                 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
3672                 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
3673                 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3674                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3675                 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3676                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3677                 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3678                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3679                 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3680                 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3681                 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3682                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3683         }
3684 }
3685
3686 int r600_irq_init(struct radeon_device *rdev)
3687 {
3688         int ret = 0;
3689         int rb_bufsz;
3690         u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
3691
3692         /* allocate ring */
3693         ret = r600_ih_ring_alloc(rdev);
3694         if (ret)
3695                 return ret;
3696
3697         /* disable irqs */
3698         r600_disable_interrupts(rdev);
3699
3700         /* init rlc */
3701         if (rdev->family >= CHIP_CEDAR)
3702                 ret = evergreen_rlc_resume(rdev);
3703         else
3704                 ret = r600_rlc_resume(rdev);
3705         if (ret) {
3706                 r600_ih_ring_fini(rdev);
3707                 return ret;
3708         }
3709
3710         /* setup interrupt control */
3711         /* set dummy read address to ring address */
3712         WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
3713         interrupt_cntl = RREG32(INTERRUPT_CNTL);
3714         /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
3715          * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
3716          */
3717         interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
3718         /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
3719         interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
3720         WREG32(INTERRUPT_CNTL, interrupt_cntl);
3721
3722         WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
3723         rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
3724
3725         ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
3726                       IH_WPTR_OVERFLOW_CLEAR |
3727                       (rb_bufsz << 1));
3728
3729         if (rdev->wb.enabled)
3730                 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
3731
3732         /* set the writeback address whether it's enabled or not */
3733         WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3734         WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3735
3736         WREG32(IH_RB_CNTL, ih_rb_cntl);
3737
3738         /* set rptr, wptr to 0 */
3739         WREG32(IH_RB_RPTR, 0);
3740         WREG32(IH_RB_WPTR, 0);
3741
3742         /* Default settings for IH_CNTL (disabled at first) */
3743         ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3744         /* RPTR_REARM only works if msi's are enabled */
3745         if (rdev->msi_enabled)
3746                 ih_cntl |= RPTR_REARM;
3747         WREG32(IH_CNTL, ih_cntl);
3748
3749         /* force the active interrupt state to all disabled */
3750         if (rdev->family >= CHIP_CEDAR)
3751                 evergreen_disable_interrupt_state(rdev);
3752         else
3753                 r600_disable_interrupt_state(rdev);
3754
3755         /* at this point everything should be setup correctly to enable master */
3756         pci_set_master(rdev->pdev);
3757
3758         /* enable irqs */
3759         r600_enable_interrupts(rdev);
3760
3761         return ret;
3762 }
3763
3764 void r600_irq_suspend(struct radeon_device *rdev)
3765 {
3766         r600_irq_disable(rdev);
3767         r600_rlc_stop(rdev);
3768 }
3769
3770 void r600_irq_fini(struct radeon_device *rdev)
3771 {
3772         r600_irq_suspend(rdev);
3773         r600_ih_ring_fini(rdev);
3774 }
3775
3776 int r600_irq_set(struct radeon_device *rdev)
3777 {
3778         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3779         u32 mode_int = 0;
3780         u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3781         u32 grbm_int_cntl = 0;
3782         u32 hdmi0, hdmi1;
3783         u32 dma_cntl;
3784         u32 thermal_int = 0;
3785
3786         if (!rdev->irq.installed) {
3787                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3788                 return -EINVAL;
3789         }
3790         /* don't enable anything if the ih is disabled */
3791         if (!rdev->ih.enabled) {
3792                 r600_disable_interrupts(rdev);
3793                 /* force the active interrupt state to all disabled */
3794                 r600_disable_interrupt_state(rdev);
3795                 return 0;
3796         }
3797
3798         if (ASIC_IS_DCE3(rdev)) {
3799                 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3800                 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3801                 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3802                 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3803                 if (ASIC_IS_DCE32(rdev)) {
3804                         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3805                         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3806                         hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3807                         hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3808                 } else {
3809                         hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3810                         hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3811                 }
3812         } else {
3813                 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3814                 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3815                 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3816                 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3817                 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3818         }
3819
3820         dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3821
3822         if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3823                 thermal_int = RREG32(CG_THERMAL_INT) &
3824                         ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3825         } else if (rdev->family >= CHIP_RV770) {
3826                 thermal_int = RREG32(RV770_CG_THERMAL_INT) &
3827                         ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3828         }
3829         if (rdev->irq.dpm_thermal) {
3830                 DRM_DEBUG("dpm thermal\n");
3831                 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
3832         }
3833
3834         if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
3835                 DRM_DEBUG("r600_irq_set: sw int\n");
3836                 cp_int_cntl |= RB_INT_ENABLE;
3837                 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3838         }
3839
3840         if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
3841                 DRM_DEBUG("r600_irq_set: sw int dma\n");
3842                 dma_cntl |= TRAP_ENABLE;
3843         }
3844
3845         if (rdev->irq.crtc_vblank_int[0] ||
3846             atomic_read(&rdev->irq.pflip[0])) {
3847                 DRM_DEBUG("r600_irq_set: vblank 0\n");
3848                 mode_int |= D1MODE_VBLANK_INT_MASK;
3849         }
3850         if (rdev->irq.crtc_vblank_int[1] ||
3851             atomic_read(&rdev->irq.pflip[1])) {
3852                 DRM_DEBUG("r600_irq_set: vblank 1\n");
3853                 mode_int |= D2MODE_VBLANK_INT_MASK;
3854         }
3855         if (rdev->irq.hpd[0]) {
3856                 DRM_DEBUG("r600_irq_set: hpd 1\n");
3857                 hpd1 |= DC_HPDx_INT_EN;
3858         }
3859         if (rdev->irq.hpd[1]) {
3860                 DRM_DEBUG("r600_irq_set: hpd 2\n");
3861                 hpd2 |= DC_HPDx_INT_EN;
3862         }
3863         if (rdev->irq.hpd[2]) {
3864                 DRM_DEBUG("r600_irq_set: hpd 3\n");
3865                 hpd3 |= DC_HPDx_INT_EN;
3866         }
3867         if (rdev->irq.hpd[3]) {
3868                 DRM_DEBUG("r600_irq_set: hpd 4\n");
3869                 hpd4 |= DC_HPDx_INT_EN;
3870         }
3871         if (rdev->irq.hpd[4]) {
3872                 DRM_DEBUG("r600_irq_set: hpd 5\n");
3873                 hpd5 |= DC_HPDx_INT_EN;
3874         }
3875         if (rdev->irq.hpd[5]) {
3876                 DRM_DEBUG("r600_irq_set: hpd 6\n");
3877                 hpd6 |= DC_HPDx_INT_EN;
3878         }
3879         if (rdev->irq.afmt[0]) {
3880                 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3881                 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3882         }
3883         if (rdev->irq.afmt[1]) {
3884                 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3885                 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3886         }
3887
3888         WREG32(CP_INT_CNTL, cp_int_cntl);
3889         WREG32(DMA_CNTL, dma_cntl);
3890         WREG32(DxMODE_INT_MASK, mode_int);
3891         WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3892         WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3893         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3894         if (ASIC_IS_DCE3(rdev)) {
3895                 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3896                 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3897                 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3898                 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3899                 if (ASIC_IS_DCE32(rdev)) {
3900                         WREG32(DC_HPD5_INT_CONTROL, hpd5);
3901                         WREG32(DC_HPD6_INT_CONTROL, hpd6);
3902                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
3903                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
3904                 } else {
3905                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3906                         WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3907                 }
3908         } else {
3909                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3910                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3911                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3912                 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3913                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3914         }
3915         if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3916                 WREG32(CG_THERMAL_INT, thermal_int);
3917         } else if (rdev->family >= CHIP_RV770) {
3918                 WREG32(RV770_CG_THERMAL_INT, thermal_int);
3919         }
3920
3921         /* posting read */
3922         RREG32(R_000E50_SRBM_STATUS);
3923
3924         return 0;
3925 }
3926
3927 static void r600_irq_ack(struct radeon_device *rdev)
3928 {
3929         u32 tmp;
3930
3931         if (ASIC_IS_DCE3(rdev)) {
3932                 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3933                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3934                 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3935                 if (ASIC_IS_DCE32(rdev)) {
3936                         rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
3937                         rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
3938                 } else {
3939                         rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3940                         rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
3941                 }
3942         } else {
3943                 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3944                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3945                 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3946                 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3947                 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
3948         }
3949         rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3950         rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3951
3952         if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3953                 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3954         if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3955                 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3956         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3957                 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3958         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3959                 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3960         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3961                 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3962         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3963                 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3964         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3965                 if (ASIC_IS_DCE3(rdev)) {
3966                         tmp = RREG32(DC_HPD1_INT_CONTROL);
3967                         tmp |= DC_HPDx_INT_ACK;
3968                         WREG32(DC_HPD1_INT_CONTROL, tmp);
3969                 } else {
3970                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3971                         tmp |= DC_HPDx_INT_ACK;
3972                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3973                 }
3974         }
3975         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3976                 if (ASIC_IS_DCE3(rdev)) {
3977                         tmp = RREG32(DC_HPD2_INT_CONTROL);
3978                         tmp |= DC_HPDx_INT_ACK;
3979                         WREG32(DC_HPD2_INT_CONTROL, tmp);
3980                 } else {
3981                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3982                         tmp |= DC_HPDx_INT_ACK;
3983                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3984                 }
3985         }
3986         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3987                 if (ASIC_IS_DCE3(rdev)) {
3988                         tmp = RREG32(DC_HPD3_INT_CONTROL);
3989                         tmp |= DC_HPDx_INT_ACK;
3990                         WREG32(DC_HPD3_INT_CONTROL, tmp);
3991                 } else {
3992                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3993                         tmp |= DC_HPDx_INT_ACK;
3994                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3995                 }
3996         }
3997         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3998                 tmp = RREG32(DC_HPD4_INT_CONTROL);
3999                 tmp |= DC_HPDx_INT_ACK;
4000                 WREG32(DC_HPD4_INT_CONTROL, tmp);
4001         }
4002         if (ASIC_IS_DCE32(rdev)) {
4003                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
4004                         tmp = RREG32(DC_HPD5_INT_CONTROL);
4005                         tmp |= DC_HPDx_INT_ACK;
4006                         WREG32(DC_HPD5_INT_CONTROL, tmp);
4007                 }
4008                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
4009                         tmp = RREG32(DC_HPD6_INT_CONTROL);
4010                         tmp |= DC_HPDx_INT_ACK;
4011                         WREG32(DC_HPD6_INT_CONTROL, tmp);
4012                 }
4013                 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
4014                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
4015                         tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4016                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
4017                 }
4018                 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
4019                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
4020                         tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4021                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
4022                 }
4023         } else {
4024                 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4025                         tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
4026                         tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4027                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
4028                 }
4029                 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4030                         if (ASIC_IS_DCE3(rdev)) {
4031                                 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
4032                                 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4033                                 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
4034                         } else {
4035                                 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
4036                                 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4037                                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
4038                         }
4039                 }
4040         }
4041 }
4042
4043 void r600_irq_disable(struct radeon_device *rdev)
4044 {
4045         r600_disable_interrupts(rdev);
4046         /* Wait and acknowledge irq */
4047         mdelay(1);
4048         r600_irq_ack(rdev);
4049         r600_disable_interrupt_state(rdev);
4050 }
4051
4052 static u32 r600_get_ih_wptr(struct radeon_device *rdev)
4053 {
4054         u32 wptr, tmp;
4055
4056         if (rdev->wb.enabled)
4057                 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4058         else
4059                 wptr = RREG32(IH_RB_WPTR);
4060
4061         if (wptr & RB_OVERFLOW) {
4062                 wptr &= ~RB_OVERFLOW;
4063                 /* When a ring buffer overflow happen start parsing interrupt
4064                  * from the last not overwritten vector (wptr + 16). Hopefully
4065                  * this should allow us to catchup.
4066                  */
4067                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4068                          wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4069                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4070                 tmp = RREG32(IH_RB_CNTL);
4071                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
4072                 WREG32(IH_RB_CNTL, tmp);
4073         }
4074         return (wptr & rdev->ih.ptr_mask);
4075 }
4076
4077 /*        r600 IV Ring
4078  * Each IV ring entry is 128 bits:
4079  * [7:0]    - interrupt source id
4080  * [31:8]   - reserved
4081  * [59:32]  - interrupt source data
4082  * [127:60]  - reserved
4083  *
4084  * The basic interrupt vector entries
4085  * are decoded as follows:
4086  * src_id  src_data  description
4087  *      1         0  D1 Vblank
4088  *      1         1  D1 Vline
4089  *      5         0  D2 Vblank
4090  *      5         1  D2 Vline
4091  *     19         0  FP Hot plug detection A
4092  *     19         1  FP Hot plug detection B
4093  *     19         2  DAC A auto-detection
4094  *     19         3  DAC B auto-detection
4095  *     21         4  HDMI block A
4096  *     21         5  HDMI block B
4097  *    176         -  CP_INT RB
4098  *    177         -  CP_INT IB1
4099  *    178         -  CP_INT IB2
4100  *    181         -  EOP Interrupt
4101  *    233         -  GUI Idle
4102  *
4103  * Note, these are based on r600 and may need to be
4104  * adjusted or added to on newer asics
4105  */
4106
4107 irqreturn_t r600_irq_process(struct radeon_device *rdev)
4108 {
4109         u32 wptr;
4110         u32 rptr;
4111         u32 src_id, src_data;
4112         u32 ring_index;
4113         bool queue_hotplug = false;
4114         bool queue_hdmi = false;
4115         bool queue_thermal = false;
4116
4117         if (!rdev->ih.enabled || rdev->shutdown)
4118                 return IRQ_NONE;
4119
4120         /* No MSIs, need a dummy read to flush PCI DMAs */
4121         if (!rdev->msi_enabled)
4122                 RREG32(IH_RB_WPTR);
4123
4124         wptr = r600_get_ih_wptr(rdev);
4125
4126 restart_ih:
4127         /* is somebody else already processing irqs? */
4128         if (atomic_xchg(&rdev->ih.lock, 1))
4129                 return IRQ_NONE;
4130
4131         rptr = rdev->ih.rptr;
4132         DRM_DEBUG_VBLANK("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4133
4134         /* Order reading of wptr vs. reading of IH ring data */
4135         rmb();
4136
4137         /* display interrupts */
4138         r600_irq_ack(rdev);
4139
4140         while (rptr != wptr) {
4141                 /* wptr/rptr are in bytes! */
4142                 ring_index = rptr / 4;
4143                 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4144                 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4145
4146                 switch (src_id) {
4147                 case 1: /* D1 vblank/vline */
4148                         switch (src_data) {
4149                         case 0: /* D1 vblank */
4150                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT))
4151                                         DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n");
4152
4153                                 if (rdev->irq.crtc_vblank_int[0]) {
4154                                         drm_handle_vblank(rdev->ddev, 0);
4155                                         rdev->pm.vblank_sync = true;
4156                                         wake_up(&rdev->irq.vblank_queue);
4157                                 }
4158                                 if (atomic_read(&rdev->irq.pflip[0]))
4159                                         radeon_crtc_handle_vblank(rdev, 0);
4160                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4161                                 DRM_DEBUG_VBLANK("IH: D1 vblank\n");
4162
4163                                 break;
4164                         case 1: /* D1 vline */
4165                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT))
4166                                     DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n");
4167
4168                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4169                                 DRM_DEBUG_VBLANK("IH: D1 vline\n");
4170
4171                                 break;
4172                         default:
4173                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4174                                 break;
4175                         }
4176                         break;
4177                 case 5: /* D2 vblank/vline */
4178                         switch (src_data) {
4179                         case 0: /* D2 vblank */
4180                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT))
4181                                         DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n");
4182
4183                                 if (rdev->irq.crtc_vblank_int[1]) {
4184                                         drm_handle_vblank(rdev->ddev, 1);
4185                                         rdev->pm.vblank_sync = true;
4186                                         wake_up(&rdev->irq.vblank_queue);
4187                                 }
4188                                 if (atomic_read(&rdev->irq.pflip[1]))
4189                                         radeon_crtc_handle_vblank(rdev, 1);
4190                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
4191                                 DRM_DEBUG_VBLANK("IH: D2 vblank\n");
4192
4193                                 break;
4194                         case 1: /* D1 vline */
4195                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT))
4196                                         DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n");
4197
4198                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
4199                                 DRM_DEBUG_VBLANK("IH: D2 vline\n");
4200
4201                                 break;
4202                         default:
4203                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4204                                 break;
4205                         }
4206                         break;
4207                 case 9: /* D1 pflip */
4208                         DRM_DEBUG_VBLANK("IH: D1 flip\n");
4209                         if (radeon_use_pflipirq > 0)
4210                                 radeon_crtc_handle_flip(rdev, 0);
4211                         break;
4212                 case 11: /* D2 pflip */
4213                         DRM_DEBUG_VBLANK("IH: D2 flip\n");
4214                         if (radeon_use_pflipirq > 0)
4215                                 radeon_crtc_handle_flip(rdev, 1);
4216                         break;
4217                 case 19: /* HPD/DAC hotplug */
4218                         switch (src_data) {
4219                         case 0:
4220                                 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT))
4221                                         DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n");
4222
4223                                 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
4224                                 queue_hotplug = true;
4225                                 DRM_DEBUG("IH: HPD1\n");
4226                                 break;
4227                         case 1:
4228                                 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT))
4229                                         DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n");
4230
4231                                 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
4232                                 queue_hotplug = true;
4233                                 DRM_DEBUG("IH: HPD2\n");
4234                                 break;
4235                         case 4:
4236                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT))
4237                                         DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n");
4238
4239                                 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
4240                                 queue_hotplug = true;
4241                                 DRM_DEBUG("IH: HPD3\n");
4242                                 break;
4243                         case 5:
4244                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT))
4245                                         DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n");
4246
4247                                 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
4248                                 queue_hotplug = true;
4249                                 DRM_DEBUG("IH: HPD4\n");
4250                                 break;
4251                         case 10:
4252                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT))
4253                                         DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n");
4254
4255                                 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
4256                                 queue_hotplug = true;
4257                                 DRM_DEBUG("IH: HPD5\n");
4258                                 break;
4259                         case 12:
4260                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT))
4261                                         DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n");
4262
4263                                 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
4264                                 queue_hotplug = true;
4265                                 DRM_DEBUG("IH: HPD6\n");
4266
4267                                 break;
4268                         default:
4269                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4270                                 break;
4271                         }
4272                         break;
4273                 case 21: /* hdmi */
4274                         switch (src_data) {
4275                         case 4:
4276                                 if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG))
4277                                         DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n");
4278
4279                                 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4280                                 queue_hdmi = true;
4281                                 DRM_DEBUG("IH: HDMI0\n");
4282
4283                                 break;
4284                         case 5:
4285                                 if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG))
4286                                         DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n");
4287
4288                                 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4289                                 queue_hdmi = true;
4290                                 DRM_DEBUG("IH: HDMI1\n");
4291
4292                                 break;
4293                         default:
4294                                 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
4295                                 break;
4296                         }
4297                         break;
4298                 case 124: /* UVD */
4299                         DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4300                         radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4301                         break;
4302                 case 176: /* CP_INT in ring buffer */
4303                 case 177: /* CP_INT in IB1 */
4304                 case 178: /* CP_INT in IB2 */
4305                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4306                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4307                         break;
4308                 case 181: /* CP EOP event */
4309                         DRM_DEBUG("IH: CP EOP\n");
4310                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4311                         break;
4312                 case 224: /* DMA trap event */
4313                         DRM_DEBUG("IH: DMA trap\n");
4314                         radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4315                         break;
4316                 case 230: /* thermal low to high */
4317                         DRM_DEBUG("IH: thermal low to high\n");
4318                         rdev->pm.dpm.thermal.high_to_low = false;
4319                         queue_thermal = true;
4320                         break;
4321                 case 231: /* thermal high to low */
4322                         DRM_DEBUG("IH: thermal high to low\n");
4323                         rdev->pm.dpm.thermal.high_to_low = true;
4324                         queue_thermal = true;
4325                         break;
4326                 case 233: /* GUI IDLE */
4327                         DRM_DEBUG("IH: GUI idle\n");
4328                         break;
4329                 default:
4330                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4331                         break;
4332                 }
4333
4334                 /* wptr/rptr are in bytes! */
4335                 rptr += 16;
4336                 rptr &= rdev->ih.ptr_mask;
4337                 WREG32(IH_RB_RPTR, rptr);
4338         }
4339         if (queue_hotplug)
4340                 schedule_delayed_work(&rdev->hotplug_work, 0);
4341         if (queue_hdmi)
4342                 schedule_work(&rdev->audio_work);
4343         if (queue_thermal && rdev->pm.dpm_enabled)
4344                 schedule_work(&rdev->pm.dpm.thermal.work);
4345         rdev->ih.rptr = rptr;
4346         atomic_set(&rdev->ih.lock, 0);
4347
4348         /* make sure wptr hasn't changed while processing */
4349         wptr = r600_get_ih_wptr(rdev);
4350         if (wptr != rptr)
4351                 goto restart_ih;
4352
4353         return IRQ_HANDLED;
4354 }
4355
4356 /*
4357  * Debugfs info
4358  */
4359 #if defined(CONFIG_DEBUG_FS)
4360
4361 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4362 {
4363         struct drm_info_node *node = (struct drm_info_node *) m->private;
4364         struct drm_device *dev = node->minor->dev;
4365         struct radeon_device *rdev = dev->dev_private;
4366
4367         DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4368         DREG32_SYS(m, rdev, VM_L2_STATUS);
4369         return 0;
4370 }
4371
4372 static struct drm_info_list r600_mc_info_list[] = {
4373         {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
4374 };
4375 #endif
4376
4377 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4378 {
4379 #if defined(CONFIG_DEBUG_FS)
4380         return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4381 #else
4382         return 0;
4383 #endif
4384 }
4385
4386 /**
4387  * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO
4388  * rdev: radeon device structure
4389  *
4390  * Some R6XX/R7XX don't seem to take into account HDP flushes performed
4391  * through the ring buffer. This leads to corruption in rendering, see
4392  * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we
4393  * directly perform the HDP flush by writing the register through MMIO.
4394  */
4395 void r600_mmio_hdp_flush(struct radeon_device *rdev)
4396 {
4397         /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
4398          * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4399          * This seems to cause problems on some AGP cards. Just use the old
4400          * method for them.
4401          */
4402         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4403             rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4404                 volatile void __iomem *ptr = (volatile void *)rdev->vram_scratch.ptr;
4405                 u32 tmp;
4406
4407                 WREG32(HDP_DEBUG1, 0);
4408                 tmp = readl((volatile void __iomem *)ptr);
4409         } else
4410                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4411 }
4412
4413 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4414 {
4415         u32 link_width_cntl, mask;
4416
4417         if (rdev->flags & RADEON_IS_IGP)
4418                 return;
4419
4420         if (!(rdev->flags & RADEON_IS_PCIE))
4421                 return;
4422
4423         /* x2 cards have a special sequence */
4424         if (ASIC_IS_X2(rdev))
4425                 return;
4426
4427         radeon_gui_idle(rdev);
4428
4429         switch (lanes) {
4430         case 0:
4431                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4432                 break;
4433         case 1:
4434                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4435                 break;
4436         case 2:
4437                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4438                 break;
4439         case 4:
4440                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4441                 break;
4442         case 8:
4443                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4444                 break;
4445         case 12:
4446                 /* not actually supported */
4447                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4448                 break;
4449         case 16:
4450                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4451                 break;
4452         default:
4453                 DRM_ERROR("invalid pcie lane request: %d\n", lanes);
4454                 return;
4455         }
4456
4457         link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4458         link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4459         link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4460         link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4461                             R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
4462
4463         WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4464 }
4465
4466 int r600_get_pcie_lanes(struct radeon_device *rdev)
4467 {
4468         u32 link_width_cntl;
4469
4470         if (rdev->flags & RADEON_IS_IGP)
4471                 return 0;
4472
4473         if (!(rdev->flags & RADEON_IS_PCIE))
4474                 return 0;
4475
4476         /* x2 cards have a special sequence */
4477         if (ASIC_IS_X2(rdev))
4478                 return 0;
4479
4480         radeon_gui_idle(rdev);
4481
4482         link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4483
4484         switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
4485         case RADEON_PCIE_LC_LINK_WIDTH_X1:
4486                 return 1;
4487         case RADEON_PCIE_LC_LINK_WIDTH_X2:
4488                 return 2;
4489         case RADEON_PCIE_LC_LINK_WIDTH_X4:
4490                 return 4;
4491         case RADEON_PCIE_LC_LINK_WIDTH_X8:
4492                 return 8;
4493         case RADEON_PCIE_LC_LINK_WIDTH_X12:
4494                 /* not actually supported */
4495                 return 12;
4496         case RADEON_PCIE_LC_LINK_WIDTH_X0:
4497         case RADEON_PCIE_LC_LINK_WIDTH_X16:
4498         default:
4499                 return 16;
4500         }
4501 }
4502
4503 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4504 {
4505         u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4506         u16 link_cntl2;
4507         u32 mask;
4508
4509         if (radeon_pcie_gen2 == 0)
4510                 return;
4511
4512         if (rdev->flags & RADEON_IS_IGP)
4513                 return;
4514
4515         if (!(rdev->flags & RADEON_IS_PCIE))
4516                 return;
4517
4518         /* x2 cards have a special sequence */
4519         if (ASIC_IS_X2(rdev))
4520                 return;
4521
4522         /* only RV6xx+ chips are supported */
4523         if (rdev->family <= CHIP_R600)
4524                 return;
4525
4526 #ifdef __DragonFly__
4527         if (drm_pcie_get_speed_cap_mask(rdev->ddev, &mask) != 0)
4528                 return;
4529 #endif
4530
4531         if (!(mask & DRM_PCIE_SPEED_50))
4532                 return;
4533
4534         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4535         if (speed_cntl & LC_CURRENT_DATA_RATE) {
4536                 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4537                 return;
4538         }
4539
4540         DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4541
4542         /* 55 nm r6xx asics */
4543         if ((rdev->family == CHIP_RV670) ||
4544             (rdev->family == CHIP_RV620) ||
4545             (rdev->family == CHIP_RV635)) {
4546                 /* advertise upconfig capability */
4547                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4548                 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4549                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4550                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4551                 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4552                         lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4553                         link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4554                                              LC_RECONFIG_ARC_MISSING_ESCAPE);
4555                         link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4556                         WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4557                 } else {
4558                         link_width_cntl |= LC_UPCONFIGURE_DIS;
4559                         WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4560                 }
4561         }
4562
4563         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4564         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4565             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4566
4567                 /* 55 nm r6xx asics */
4568                 if ((rdev->family == CHIP_RV670) ||
4569                     (rdev->family == CHIP_RV620) ||
4570                     (rdev->family == CHIP_RV635)) {
4571                         WREG32(MM_CFGREGS_CNTL, 0x8);
4572                         link_cntl2 = RREG32(0x4088);
4573                         WREG32(MM_CFGREGS_CNTL, 0);
4574                         /* not supported yet */
4575                         if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4576                                 return;
4577                 }
4578
4579                 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4580                 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4581                 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4582                 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4583                 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4584                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4585
4586                 tmp = RREG32(0x541c);
4587                 WREG32(0x541c, tmp | 0x8);
4588                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4589                 link_cntl2 = RREG16(0x4088);
4590                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4591                 link_cntl2 |= 0x2;
4592                 WREG16(0x4088, link_cntl2);
4593                 WREG32(MM_CFGREGS_CNTL, 0);
4594
4595                 if ((rdev->family == CHIP_RV670) ||
4596                     (rdev->family == CHIP_RV620) ||
4597                     (rdev->family == CHIP_RV635)) {
4598                         training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4599                         training_cntl &= ~LC_POINT_7_PLUS_EN;
4600                         WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4601                 } else {
4602                         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4603                         speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4604                         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4605                 }
4606
4607                 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4608                 speed_cntl |= LC_GEN2_EN_STRAP;
4609                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4610
4611         } else {
4612                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4613                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4614                 if (1)
4615                         link_width_cntl |= LC_UPCONFIGURE_DIS;
4616                 else
4617                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4618                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4619         }
4620 }
4621
4622 /**
4623  * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4624  *
4625  * @rdev: radeon_device pointer
4626  *
4627  * Fetches a GPU clock counter snapshot (R6xx-cayman).
4628  * Returns the 64 bit clock counter snapshot.
4629  */
4630 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4631 {
4632         uint64_t clock;
4633
4634         mutex_lock(&rdev->gpu_clock_mutex);
4635         WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4636         clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4637                 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4638         mutex_unlock(&rdev->gpu_clock_mutex);
4639         return clock;
4640 }