drivers/gpu/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/slab.h>
  29 #include <linux/seq_file.h>
  30 #include <linux/firmware.h>
  31 #include <linux/module.h>
  32 #include <drm/drmP.h>
  33 #include <drm/radeon_drm.h>
  34 #include "radeon.h"
  35 #include "radeon_asic.h"
  36 #include "radeon_audio.h"
  37 #include "radeon_mode.h"
  38 #include "r600d.h"
  39 #include "atom.h"
  40 #include "avivod.h"
  41 #include "radeon_ucode.h"
  42
  43 /* Firmware Names */
  44 MODULE_FIRMWARE("radeon/R600_pfp.bin");
  45 MODULE_FIRMWARE("radeon/R600_me.bin");
  46 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  47 MODULE_FIRMWARE("radeon/RV610_me.bin");
  48 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  49 MODULE_FIRMWARE("radeon/RV630_me.bin");
  50 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  51 MODULE_FIRMWARE("radeon/RV620_me.bin");
  52 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  53 MODULE_FIRMWARE("radeon/RV635_me.bin");
  54 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  55 MODULE_FIRMWARE("radeon/RV670_me.bin");
  56 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  57 MODULE_FIRMWARE("radeon/RS780_me.bin");
  58 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  59 MODULE_FIRMWARE("radeon/RV770_me.bin");
  60 MODULE_FIRMWARE("radeon/RV770_smc.bin");
  61 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  62 MODULE_FIRMWARE("radeon/RV730_me.bin");
  63 MODULE_FIRMWARE("radeon/RV730_smc.bin");
  64 MODULE_FIRMWARE("radeon/RV740_smc.bin");
  65 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  66 MODULE_FIRMWARE("radeon/RV710_me.bin");
  67 MODULE_FIRMWARE("radeon/RV710_smc.bin");
  68 MODULE_FIRMWARE("radeon/R600_rlc.bin");
  69 MODULE_FIRMWARE("radeon/R700_rlc.bin");
  70 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  71 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  72 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
  73 MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
  74 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  75 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  76 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
  77 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
  78 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  79 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  80 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
  81 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
  82 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  83 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  84 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
  85 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
  86 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  87 MODULE_FIRMWARE("radeon/PALM_me.bin");
  88 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  89 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  90 MODULE_FIRMWARE("radeon/SUMO_me.bin");
  91 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  92 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  93
  94 static const u32 crtc_offsets[2] =
  95 {
  96         0,
  97         AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
  98 };
  99
 100 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 101
 102 /* r600,rv610,rv630,rv620,rv635,rv670 */
 103 int r600_mc_wait_for_idle(struct radeon_device *rdev);
 104 static void r600_gpu_init(struct radeon_device *rdev);
 105 void r600_fini(struct radeon_device *rdev);
 106 void r600_irq_disable(struct radeon_device *rdev);
 107 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 108 extern int evergreen_rlc_resume(struct radeon_device *rdev);
 109 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
 110
 111 /*
 112  * Indirect registers accessor
 113  */
 114 u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg)
 115 {
 116         unsigned long flags;
 117         u32 r;
 118
 119         spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
 120         WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
 121         r = RREG32(R600_RCU_DATA);
 122         spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
 123         return r;
 124 }
 125
 126 void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 127 {
 128         unsigned long flags;
 129
 130         spin_lock_irqsave(&rdev->rcu_idx_lock, flags);
 131         WREG32(R600_RCU_INDEX, ((reg) & 0x1fff));
 132         WREG32(R600_RCU_DATA, (v));
 133         spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags);
 134 }
 135
 136 u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
 137 {
 138         unsigned long flags;
 139         u32 r;
 140
 141         spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
 142         WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
 143         r = RREG32(R600_UVD_CTX_DATA);
 144         spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
 145         return r;
 146 }
 147
 148 void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 149 {
 150         unsigned long flags;
 151
 152         spin_lock_irqsave(&rdev->uvd_idx_lock, flags);
 153         WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
 154         WREG32(R600_UVD_CTX_DATA, (v));
 155         spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags);
 156 }
 157
 158 /**
 159  * r600_get_allowed_info_register - fetch the register for the info ioctl
 160  *
 161  * @rdev: radeon_device pointer
 162  * @reg: register offset in bytes
 163  * @val: register value
 164  *
 165  * Returns 0 for success or -EINVAL for an invalid register
 166  *
 167  */
 168 int r600_get_allowed_info_register(struct radeon_device *rdev,
 169                                    u32 reg, u32 *val)
 170 {
 171         switch (reg) {
 172         case GRBM_STATUS:
 173         case GRBM_STATUS2:
 174         case R_000E50_SRBM_STATUS:
 175         case DMA_STATUS_REG:
 176         case UVD_STATUS:
 177                 *val = RREG32(reg);
 178                 return 0;
 179         default:
 180                 return -EINVAL;
 181         }
 182 }
 183
 184 /**
 185  * r600_get_xclk - get the xclk
 186  *
 187  * @rdev: radeon_device pointer
 188  *
 189  * Returns the reference clock used by the gfx engine
 190  * (r6xx, IGPs, APUs).
 191  */
 192 u32 r600_get_xclk(struct radeon_device *rdev)
 193 {
 194         return rdev->clock.spll.reference_freq;
 195 }
 196
 197 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
 198 {
 199         unsigned fb_div = 0, ref_div, vclk_div = 0, dclk_div = 0;
 200         int r;
 201
 202         /* bypass vclk and dclk with bclk */
 203         WREG32_P(CG_UPLL_FUNC_CNTL_2,
 204                  VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
 205                  ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
 206
 207         /* assert BYPASS_EN, deassert UPLL_RESET, UPLL_SLEEP and UPLL_CTLREQ */
 208         WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~(
 209                  UPLL_RESET_MASK | UPLL_SLEEP_MASK | UPLL_CTLREQ_MASK));
 210
 211         if (rdev->family >= CHIP_RS780)
 212                 WREG32_P(GFX_MACRO_BYPASS_CNTL, UPLL_BYPASS_CNTL,
 213                          ~UPLL_BYPASS_CNTL);
 214
 215         if (!vclk || !dclk) {
 216                 /* keep the Bypass mode, put PLL to sleep */
 217                 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
 218                 return 0;
 219         }
 220
 221         if (rdev->clock.spll.reference_freq == 10000)
 222                 ref_div = 34;
 223         else
 224                 ref_div = 4;
 225
 226         r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 50000, 160000,
 227                                           ref_div + 1, 0xFFF, 2, 30, ~0,
 228                                           &fb_div, &vclk_div, &dclk_div);
 229         if (r)
 230                 return r;
 231
 232         if (rdev->family >= CHIP_RV670 && rdev->family < CHIP_RS780)
 233                 fb_div >>= 1;
 234         else
 235                 fb_div |= 1;
 236
 237         r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
 238         if (r)
 239                 return r;
 240
 241         /* assert PLL_RESET */
 242         WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
 243
 244         /* For RS780 we have to choose ref clk */
 245         if (rdev->family >= CHIP_RS780)
 246                 WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_REFCLK_SRC_SEL_MASK,
 247                          ~UPLL_REFCLK_SRC_SEL_MASK);
 248
 249         /* set the required fb, ref and post divder values */
 250         WREG32_P(CG_UPLL_FUNC_CNTL,
 251                  UPLL_FB_DIV(fb_div) |
 252                  UPLL_REF_DIV(ref_div),
 253                  ~(UPLL_FB_DIV_MASK | UPLL_REF_DIV_MASK));
 254         WREG32_P(CG_UPLL_FUNC_CNTL_2,
 255                  UPLL_SW_HILEN(vclk_div >> 1) |
 256                  UPLL_SW_LOLEN((vclk_div >> 1) + (vclk_div & 1)) |
 257                  UPLL_SW_HILEN2(dclk_div >> 1) |
 258                  UPLL_SW_LOLEN2((dclk_div >> 1) + (dclk_div & 1)) |
 259                  UPLL_DIVEN_MASK | UPLL_DIVEN2_MASK,
 260                  ~UPLL_SW_MASK);
 261
 262         /* give the PLL some time to settle */
 263         mdelay(15);
 264
 265         /* deassert PLL_RESET */
 266         WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
 267
 268         mdelay(15);
 269
 270         /* deassert BYPASS EN */
 271         WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
 272
 273         if (rdev->family >= CHIP_RS780)
 274                 WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~UPLL_BYPASS_CNTL);
 275
 276         r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
 277         if (r)
 278                 return r;
 279
 280         /* switch VCLK and DCLK selection */
 281         WREG32_P(CG_UPLL_FUNC_CNTL_2,
 282                  VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
 283                  ~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
 284
 285         mdelay(100);
 286
 287         return 0;
 288 }
 289
 290 void dce3_program_fmt(struct drm_encoder *encoder)
 291 {
 292         struct drm_device *dev = encoder->dev;
 293         struct radeon_device *rdev = dev->dev_private;
 294         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 295         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 296         struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 297         int bpc = 0;
 298         u32 tmp = 0;
 299         enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
 300
 301         if (connector) {
 302                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 303                 bpc = radeon_get_monitor_bpc(connector);
 304                 dither = radeon_connector->dither;
 305         }
 306
 307         /* LVDS FMT is set up by atom */
 308         if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
 309                 return;
 310
 311         /* not needed for analog */
 312         if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
 313             (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
 314                 return;
 315
 316         if (bpc == 0)
 317                 return;
 318
 319         switch (bpc) {
 320         case 6:
 321                 if (dither == RADEON_FMT_DITHER_ENABLE)
 322                         /* XXX sort out optimal dither settings */
 323                         tmp |= FMT_SPATIAL_DITHER_EN;
 324                 else
 325                         tmp |= FMT_TRUNCATE_EN;
 326                 break;
 327         case 8:
 328                 if (dither == RADEON_FMT_DITHER_ENABLE)
 329                         /* XXX sort out optimal dither settings */
 330                         tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
 331                 else
 332                         tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
 333                 break;
 334         case 10:
 335         default:
 336                 /* not needed */
 337                 break;
 338         }
 339
 340         WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
 341 }
 342
 343 /* get temperature in millidegrees */
 344 int rv6xx_get_temp(struct radeon_device *rdev)
 345 {
 346         u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 347                 ASIC_T_SHIFT;
 348         int actual_temp = temp & 0xff;
 349
 350         if (temp & 0x100)
 351                 actual_temp -= 256;
 352
 353         return actual_temp * 1000;
 354 }
 355
 356 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 357 {
 358         int i;
 359
 360         rdev->pm.dynpm_can_upclock = true;
 361         rdev->pm.dynpm_can_downclock = true;
 362
 363         /* power state array is low to high, default is first */
 364         if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 365                 int min_power_state_index = 0;
 366
 367                 if (rdev->pm.num_power_states > 2)
 368                         min_power_state_index = 1;
 369
 370                 switch (rdev->pm.dynpm_planned_action) {
 371                 case DYNPM_ACTION_MINIMUM:
 372                         rdev->pm.requested_power_state_index = min_power_state_index;
 373                         rdev->pm.requested_clock_mode_index = 0;
 374                         rdev->pm.dynpm_can_downclock = false;
 375                         break;
 376                 case DYNPM_ACTION_DOWNCLOCK:
 377                         if (rdev->pm.current_power_state_index == min_power_state_index) {
 378                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 379                                 rdev->pm.dynpm_can_downclock = false;
 380                         } else {
 381                                 if (rdev->pm.active_crtc_count > 1) {
 382                                         for (i = 0; i < rdev->pm.num_power_states; i++) {
 383                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 384                                                         continue;
 385                                                 else if (i >= rdev->pm.current_power_state_index) {
 386                                                         rdev->pm.requested_power_state_index =
 387                                                                 rdev->pm.current_power_state_index;
 388                                                         break;
 389                                                 } else {
 390                                                         rdev->pm.requested_power_state_index = i;
 391                                                         break;
 392                                                 }
 393                                         }
 394                                 } else {
 395                                         if (rdev->pm.current_power_state_index == 0)
 396                                                 rdev->pm.requested_power_state_index =
 397                                                         rdev->pm.num_power_states - 1;
 398                                         else
 399                                                 rdev->pm.requested_power_state_index =
 400                                                         rdev->pm.current_power_state_index - 1;
 401                                 }
 402                         }
 403                         rdev->pm.requested_clock_mode_index = 0;
 404                         /* don't use the power state if crtcs are active and no display flag is set */
 405                         if ((rdev->pm.active_crtc_count > 0) &&
 406                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 407                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 408                              RADEON_PM_MODE_NO_DISPLAY)) {
 409                                 rdev->pm.requested_power_state_index++;
 410                         }
 411                         break;
 412                 case DYNPM_ACTION_UPCLOCK:
 413                         if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 414                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 415                                 rdev->pm.dynpm_can_upclock = false;
 416                         } else {
 417                                 if (rdev->pm.active_crtc_count > 1) {
 418                                         for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 419                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 420                                                         continue;
 421                                                 else if (i <= rdev->pm.current_power_state_index) {
 422                                                         rdev->pm.requested_power_state_index =
 423                                                                 rdev->pm.current_power_state_index;
 424                                                         break;
 425                                                 } else {
 426                                                         rdev->pm.requested_power_state_index = i;
 427                                                         break;
 428                                                 }
 429                                         }
 430                                 } else
 431                                         rdev->pm.requested_power_state_index =
 432                                                 rdev->pm.current_power_state_index + 1;
 433                         }
 434                         rdev->pm.requested_clock_mode_index = 0;
 435                         break;
 436                 case DYNPM_ACTION_DEFAULT:
 437                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 438                         rdev->pm.requested_clock_mode_index = 0;
 439                         rdev->pm.dynpm_can_upclock = false;
 440                         break;
 441                 case DYNPM_ACTION_NONE:
 442                 default:
 443                         DRM_ERROR("Requested mode for not defined action\n");
 444                         return;
 445                 }
 446         } else {
 447                 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
 448                 /* for now just select the first power state and switch between clock modes */
 449                 /* power state array is low to high, default is first (0) */
 450                 if (rdev->pm.active_crtc_count > 1) {
 451                         rdev->pm.requested_power_state_index = -1;
 452                         /* start at 1 as we don't want the default mode */
 453                         for (i = 1; i < rdev->pm.num_power_states; i++) {
 454                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 455                                         continue;
 456                                 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 457                                          (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 458                                         rdev->pm.requested_power_state_index = i;
 459                                         break;
 460                                 }
 461                         }
 462                         /* if nothing selected, grab the default state. */
 463                         if (rdev->pm.requested_power_state_index == -1)
 464                                 rdev->pm.requested_power_state_index = 0;
 465                 } else
 466                         rdev->pm.requested_power_state_index = 1;
 467
 468                 switch (rdev->pm.dynpm_planned_action) {
 469                 case DYNPM_ACTION_MINIMUM:
 470                         rdev->pm.requested_clock_mode_index = 0;
 471                         rdev->pm.dynpm_can_downclock = false;
 472                         break;
 473                 case DYNPM_ACTION_DOWNCLOCK:
 474                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 475                                 if (rdev->pm.current_clock_mode_index == 0) {
 476                                         rdev->pm.requested_clock_mode_index = 0;
 477                                         rdev->pm.dynpm_can_downclock = false;
 478                                 } else
 479                                         rdev->pm.requested_clock_mode_index =
 480                                                 rdev->pm.current_clock_mode_index - 1;
 481                         } else {
 482                                 rdev->pm.requested_clock_mode_index = 0;
 483                                 rdev->pm.dynpm_can_downclock = false;
 484                         }
 485                         /* don't use the power state if crtcs are active and no display flag is set */
 486                         if ((rdev->pm.active_crtc_count > 0) &&
 487                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 488                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 489                              RADEON_PM_MODE_NO_DISPLAY)) {
 490                                 rdev->pm.requested_clock_mode_index++;
 491                         }
 492                         break;
 493                 case DYNPM_ACTION_UPCLOCK:
 494                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 495                                 if (rdev->pm.current_clock_mode_index ==
 496                                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 497                                         rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 498                                         rdev->pm.dynpm_can_upclock = false;
 499                                 } else
 500                                         rdev->pm.requested_clock_mode_index =
 501                                                 rdev->pm.current_clock_mode_index + 1;
 502                         } else {
 503                                 rdev->pm.requested_clock_mode_index =
 504                                         rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 505                                 rdev->pm.dynpm_can_upclock = false;
 506                         }
 507                         break;
 508                 case DYNPM_ACTION_DEFAULT:
 509                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 510                         rdev->pm.requested_clock_mode_index = 0;
 511                         rdev->pm.dynpm_can_upclock = false;
 512                         break;
 513                 case DYNPM_ACTION_NONE:
 514                 default:
 515                         DRM_ERROR("Requested mode for not defined action\n");
 516                         return;
 517                 }
 518         }
 519
 520         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 521                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 522                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 523                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 524                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 525                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 526                   pcie_lanes);
 527 }
 528
 529 void rs780_pm_init_profile(struct radeon_device *rdev)
 530 {
 531         if (rdev->pm.num_power_states == 2) {
 532                 /* default */
 533                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 534                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 535                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 536                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 537                 /* low sh */
 538                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 539                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 540                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 541                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 542                 /* mid sh */
 543                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 544                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 545                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 546                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 547                 /* high sh */
 548                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 549                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 550                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 551                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 552                 /* low mh */
 553                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 554                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 555                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 556                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 557                 /* mid mh */
 558                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 559                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 560                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 561                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 562                 /* high mh */
 563                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 564                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 565                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 566                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 567         } else if (rdev->pm.num_power_states == 3) {
 568                 /* default */
 569                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 570                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 571                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 572                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 573                 /* low sh */
 574                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 575                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 576                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 577                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 578                 /* mid sh */
 579                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 580                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 581                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 582                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 583                 /* high sh */
 584                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 585                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 586                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 587                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 588                 /* low mh */
 589                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 590                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 591                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 592                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 593                 /* mid mh */
 594                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 595                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 596                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 597                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 598                 /* high mh */
 599                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 600                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 601                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 602                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 603         } else {
 604                 /* default */
 605                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 606                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 607                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 608                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 609                 /* low sh */
 610                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 611                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 612                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 613                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 614                 /* mid sh */
 615                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 616                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 617                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 618                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 619                 /* high sh */
 620                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 621                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 622                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 623                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 624                 /* low mh */
 625                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 626                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 627                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 628                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 629                 /* mid mh */
 630                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 631                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 632                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 633                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 634                 /* high mh */
 635                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 636                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 637                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 638                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 639         }
 640 }
 641
 642 void r600_pm_init_profile(struct radeon_device *rdev)
 643 {
 644         int idx;
 645
 646         if (rdev->family == CHIP_R600) {
 647                 /* XXX */
 648                 /* default */
 649                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 650                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 651                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 652                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 653                 /* low sh */
 654                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 655                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 656                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 657                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 658                 /* mid sh */
 659                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 660                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 661                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 662                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 663                 /* high sh */
 664                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 665                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 666                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 667                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 668                 /* low mh */
 669                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 670                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 671                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 672                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 673                 /* mid mh */
 674                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 675                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 676                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 677                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 678                 /* high mh */
 679                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 680                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 681                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 682                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 683         } else {
 684                 if (rdev->pm.num_power_states < 4) {
 685                         /* default */
 686                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 687                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 688                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 689                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 690                         /* low sh */
 691                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 692                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 693                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 694                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 695                         /* mid sh */
 696                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 697                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 698                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 699                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 700                         /* high sh */
 701                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 702                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 703                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 704                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 705                         /* low mh */
 706                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 707                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 708                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 709                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 710                         /* low mh */
 711                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 712                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 713                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 714                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 715                         /* high mh */
 716                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 717                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 718                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 719                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 720                 } else {
 721                         /* default */
 722                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 723                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 724                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 725                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 726                         /* low sh */
 727                         if (rdev->flags & RADEON_IS_MOBILITY)
 728                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 729                         else
 730                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 731                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
 732                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
 733                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 734                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 735                         /* mid sh */
 736                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
 737                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
 738                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 739                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 740                         /* high sh */
 741                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 742                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
 743                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 744                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 745                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 746                         /* low mh */
 747                         if (rdev->flags & RADEON_IS_MOBILITY)
 748                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 749                         else
 750                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 751                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
 752                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
 753                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 754                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 755                         /* mid mh */
 756                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
 757                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
 758                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 759                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 760                         /* high mh */
 761                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 762                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
 763                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 764                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 765                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 766                 }
 767         }
 768 }
 769
 770 void r600_pm_misc(struct radeon_device *rdev)
 771 {
 772         int req_ps_idx = rdev->pm.requested_power_state_index;
 773         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 774         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 775         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 776
 777         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 778                 /* 0xff01 is a flag rather then an actual voltage */
 779                 if (voltage->voltage == 0xff01)
 780                         return;
 781                 if (voltage->voltage != rdev->pm.current_vddc) {
 782                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 783                         rdev->pm.current_vddc = voltage->voltage;
 784                         DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 785                 }
 786         }
 787 }
 788
 789 bool r600_gui_idle(struct radeon_device *rdev)
 790 {
 791         if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 792                 return false;
 793         else
 794                 return true;
 795 }
 796
 797 /* hpd for digital panel detect/disconnect */
 798 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 799 {
 800         bool connected = false;
 801
 802         if (ASIC_IS_DCE3(rdev)) {
 803                 switch (hpd) {
 804                 case RADEON_HPD_1:
 805                         if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 806                                 connected = true;
 807                         break;
 808                 case RADEON_HPD_2:
 809                         if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 810                                 connected = true;
 811                         break;
 812                 case RADEON_HPD_3:
 813                         if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 814                                 connected = true;
 815                         break;
 816                 case RADEON_HPD_4:
 817                         if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 818                                 connected = true;
 819                         break;
 820                         /* DCE 3.2 */
 821                 case RADEON_HPD_5:
 822                         if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 823                                 connected = true;
 824                         break;
 825                 case RADEON_HPD_6:
 826                         if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 827                                 connected = true;
 828                         break;
 829                 default:
 830                         break;
 831                 }
 832         } else {
 833                 switch (hpd) {
 834                 case RADEON_HPD_1:
 835                         if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 836                                 connected = true;
 837                         break;
 838                 case RADEON_HPD_2:
 839                         if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 840                                 connected = true;
 841                         break;
 842                 case RADEON_HPD_3:
 843                         if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 844                                 connected = true;
 845                         break;
 846                 default:
 847                         break;
 848                 }
 849         }
 850         return connected;
 851 }
 852
 853 void r600_hpd_set_polarity(struct radeon_device *rdev,
 854                            enum radeon_hpd_id hpd)
 855 {
 856         u32 tmp;
 857         bool connected = r600_hpd_sense(rdev, hpd);
 858
 859         if (ASIC_IS_DCE3(rdev)) {
 860                 switch (hpd) {
 861                 case RADEON_HPD_1:
 862                         tmp = RREG32(DC_HPD1_INT_CONTROL);
 863                         if (connected)
 864                                 tmp &= ~DC_HPDx_INT_POLARITY;
 865                         else
 866                                 tmp |= DC_HPDx_INT_POLARITY;
 867                         WREG32(DC_HPD1_INT_CONTROL, tmp);
 868                         break;
 869                 case RADEON_HPD_2:
 870                         tmp = RREG32(DC_HPD2_INT_CONTROL);
 871                         if (connected)
 872                                 tmp &= ~DC_HPDx_INT_POLARITY;
 873                         else
 874                                 tmp |= DC_HPDx_INT_POLARITY;
 875                         WREG32(DC_HPD2_INT_CONTROL, tmp);
 876                         break;
 877                 case RADEON_HPD_3:
 878                         tmp = RREG32(DC_HPD3_INT_CONTROL);
 879                         if (connected)
 880                                 tmp &= ~DC_HPDx_INT_POLARITY;
 881                         else
 882                                 tmp |= DC_HPDx_INT_POLARITY;
 883                         WREG32(DC_HPD3_INT_CONTROL, tmp);
 884                         break;
 885                 case RADEON_HPD_4:
 886                         tmp = RREG32(DC_HPD4_INT_CONTROL);
 887                         if (connected)
 888                                 tmp &= ~DC_HPDx_INT_POLARITY;
 889                         else
 890                                 tmp |= DC_HPDx_INT_POLARITY;
 891                         WREG32(DC_HPD4_INT_CONTROL, tmp);
 892                         break;
 893                 case RADEON_HPD_5:
 894                         tmp = RREG32(DC_HPD5_INT_CONTROL);
 895                         if (connected)
 896                                 tmp &= ~DC_HPDx_INT_POLARITY;
 897                         else
 898                                 tmp |= DC_HPDx_INT_POLARITY;
 899                         WREG32(DC_HPD5_INT_CONTROL, tmp);
 900                         break;
 901                         /* DCE 3.2 */
 902                 case RADEON_HPD_6:
 903                         tmp = RREG32(DC_HPD6_INT_CONTROL);
 904                         if (connected)
 905                                 tmp &= ~DC_HPDx_INT_POLARITY;
 906                         else
 907                                 tmp |= DC_HPDx_INT_POLARITY;
 908                         WREG32(DC_HPD6_INT_CONTROL, tmp);
 909                         break;
 910                 default:
 911                         break;
 912                 }
 913         } else {
 914                 switch (hpd) {
 915                 case RADEON_HPD_1:
 916                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 917                         if (connected)
 918                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 919                         else
 920                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 921                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 922                         break;
 923                 case RADEON_HPD_2:
 924                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 925                         if (connected)
 926                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 927                         else
 928                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 929                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 930                         break;
 931                 case RADEON_HPD_3:
 932                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 933                         if (connected)
 934                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 935                         else
 936                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 937                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 938                         break;
 939                 default:
 940                         break;
 941                 }
 942         }
 943 }
 944
 945 void r600_hpd_init(struct radeon_device *rdev)
 946 {
 947         struct drm_device *dev = rdev->ddev;
 948         struct drm_connector *connector;
 949         unsigned enable = 0;
 950
 951         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 952                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 953
 954                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 955                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 956                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 957                          * aux dp channel on imac and help (but not completely fix)
 958                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 959                          */
 960                         continue;
 961                 }
 962                 if (ASIC_IS_DCE3(rdev)) {
 963                         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 964                         if (ASIC_IS_DCE32(rdev))
 965                                 tmp |= DC_HPDx_EN;
 966
 967                         switch (radeon_connector->hpd.hpd) {
 968                         case RADEON_HPD_1:
 969                                 WREG32(DC_HPD1_CONTROL, tmp);
 970                                 break;
 971                         case RADEON_HPD_2:
 972                                 WREG32(DC_HPD2_CONTROL, tmp);
 973                                 break;
 974                         case RADEON_HPD_3:
 975                                 WREG32(DC_HPD3_CONTROL, tmp);
 976                                 break;
 977                         case RADEON_HPD_4:
 978                                 WREG32(DC_HPD4_CONTROL, tmp);
 979                                 break;
 980                                 /* DCE 3.2 */
 981                         case RADEON_HPD_5:
 982                                 WREG32(DC_HPD5_CONTROL, tmp);
 983                                 break;
 984                         case RADEON_HPD_6:
 985                                 WREG32(DC_HPD6_CONTROL, tmp);
 986                                 break;
 987                         default:
 988                                 break;
 989                         }
 990                 } else {
 991                         switch (radeon_connector->hpd.hpd) {
 992                         case RADEON_HPD_1:
 993                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 994                                 break;
 995                         case RADEON_HPD_2:
 996                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 997                                 break;
 998                         case RADEON_HPD_3:
 999                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
1000                                 break;
1001                         default:
1002                                 break;
1003                         }
1004                 }
1005                 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
1006                         enable |= 1 << radeon_connector->hpd.hpd;
1007                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
1008         }
1009         radeon_irq_kms_enable_hpd(rdev, enable);
1010 }
1011
1012 void r600_hpd_fini(struct radeon_device *rdev)
1013 {
1014         struct drm_device *dev = rdev->ddev;
1015         struct drm_connector *connector;
1016         unsigned disable = 0;
1017
1018         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1019                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1020                 if (ASIC_IS_DCE3(rdev)) {
1021                         switch (radeon_connector->hpd.hpd) {
1022                         case RADEON_HPD_1:
1023                                 WREG32(DC_HPD1_CONTROL, 0);
1024                                 break;
1025                         case RADEON_HPD_2:
1026                                 WREG32(DC_HPD2_CONTROL, 0);
1027                                 break;
1028                         case RADEON_HPD_3:
1029                                 WREG32(DC_HPD3_CONTROL, 0);
1030                                 break;
1031                         case RADEON_HPD_4:
1032                                 WREG32(DC_HPD4_CONTROL, 0);
1033                                 break;
1034                                 /* DCE 3.2 */
1035                         case RADEON_HPD_5:
1036                                 WREG32(DC_HPD5_CONTROL, 0);
1037                                 break;
1038                         case RADEON_HPD_6:
1039                                 WREG32(DC_HPD6_CONTROL, 0);
1040                                 break;
1041                         default:
1042                                 break;
1043                         }
1044                 } else {
1045                         switch (radeon_connector->hpd.hpd) {
1046                         case RADEON_HPD_1:
1047                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
1048                                 break;
1049                         case RADEON_HPD_2:
1050                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
1051                                 break;
1052                         case RADEON_HPD_3:
1053                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
1054                                 break;
1055                         default:
1056                                 break;
1057                         }
1058                 }
1059                 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
1060                         disable |= 1 << radeon_connector->hpd.hpd;
1061         }
1062         radeon_irq_kms_disable_hpd(rdev, disable);
1063 }
1064
1065 /*
1066  * R600 PCIE GART
1067  */
1068 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
1069 {
1070         unsigned i;
1071         u32 tmp;
1072
1073         /* flush hdp cache so updates hit vram */
1074         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
1075             !(rdev->flags & RADEON_IS_AGP)) {
1076                 void __iomem *ptr = (void *)rdev->gart.ptr;
1077                 u32 tmp;
1078
1079                 /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
1080                  * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
1081                  * This seems to cause problems on some AGP cards. Just use the old
1082                  * method for them.
1083                  */
1084                 WREG32(HDP_DEBUG1, 0);
1085                 tmp = readl((void __iomem *)ptr);
1086         } else
1087                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1088
1089         WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
1090         WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
1091         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
1092         for (i = 0; i < rdev->usec_timeout; i++) {
1093                 /* read MC_STATUS */
1094                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
1095                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
1096                 if (tmp == 2) {
1097                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
1098                         return;
1099                 }
1100                 if (tmp) {
1101                         return;
1102                 }
1103                 udelay(1);
1104         }
1105 }
1106
1107 int r600_pcie_gart_init(struct radeon_device *rdev)
1108 {
1109         int r;
1110
1111         if (rdev->gart.robj) {
1112                 WARN(1, "R600 PCIE GART already initialized\n");
1113                 return 0;
1114         }
1115         /* Initialize common gart structure */
1116         r = radeon_gart_init(rdev);
1117         if (r)
1118                 return r;
1119         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
1120         return radeon_gart_table_vram_alloc(rdev);
1121 }
1122
1123 static int r600_pcie_gart_enable(struct radeon_device *rdev)
1124 {
1125         u32 tmp;
1126         int r, i;
1127
1128         if (rdev->gart.robj == NULL) {
1129                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1130                 return -EINVAL;
1131         }
1132         r = radeon_gart_table_vram_pin(rdev);
1133         if (r)
1134                 return r;
1135
1136         /* Setup L2 cache */
1137         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1138                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1139                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1140         WREG32(VM_L2_CNTL2, 0);
1141         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1142         /* Setup TLB control */
1143         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1144                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1145                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1146                 ENABLE_WAIT_L2_QUERY;
1147         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1148         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1149         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1150         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1151         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1152         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1153         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1154         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1155         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1156         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1157         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1158         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1159         WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1160         WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1161         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1162         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1163         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1164         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1165         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1166         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1167                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1168         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1169                         (u32)(rdev->dummy_page.addr >> 12));
1170         for (i = 1; i < 7; i++)
1171                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1172
1173         r600_pcie_gart_tlb_flush(rdev);
1174         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1175                  (unsigned)(rdev->mc.gtt_size >> 20),
1176                  (unsigned long long)rdev->gart.table_addr);
1177         rdev->gart.ready = true;
1178         return 0;
1179 }
1180
1181 static void r600_pcie_gart_disable(struct radeon_device *rdev)
1182 {
1183         u32 tmp;
1184         int i;
1185
1186         /* Disable all tables */
1187         for (i = 0; i < 7; i++)
1188                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1189
1190         /* Disable L2 cache */
1191         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1192                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1193         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1194         /* Setup L1 TLB control */
1195         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1196                 ENABLE_WAIT_L2_QUERY;
1197         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1198         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1199         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1200         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1201         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1202         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1203         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1204         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1205         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1206         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1207         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1208         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1209         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1210         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1211         WREG32(MC_VM_L1_TLB_MCB_RD_UVD_CNTL, tmp);
1212         WREG32(MC_VM_L1_TLB_MCB_WR_UVD_CNTL, tmp);
1213         radeon_gart_table_vram_unpin(rdev);
1214 }
1215
1216 static void r600_pcie_gart_fini(struct radeon_device *rdev)
1217 {
1218         radeon_gart_fini(rdev);
1219         r600_pcie_gart_disable(rdev);
1220         radeon_gart_table_vram_free(rdev);
1221 }
1222
1223 static void r600_agp_enable(struct radeon_device *rdev)
1224 {
1225         u32 tmp;
1226         int i;
1227
1228         /* Setup L2 cache */
1229         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1230                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1231                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1232         WREG32(VM_L2_CNTL2, 0);
1233         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1234         /* Setup TLB control */
1235         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1236                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1237                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1238                 ENABLE_WAIT_L2_QUERY;
1239         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1240         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1241         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1242         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1243         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1244         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1245         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1246         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1247         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1248         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1249         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1250         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1251         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1252         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1253         for (i = 0; i < 7; i++)
1254                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1255 }
1256
1257 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1258 {
1259         unsigned i;
1260         u32 tmp;
1261
1262         for (i = 0; i < rdev->usec_timeout; i++) {
1263                 /* read MC_STATUS */
1264                 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1265                 if (!tmp)
1266                         return 0;
1267                 udelay(1);
1268         }
1269         return -1;
1270 }
1271
1272 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1273 {
1274         unsigned long flags;
1275         uint32_t r;
1276
1277         spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1278         WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1279         r = RREG32(R_0028FC_MC_DATA);
1280         WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1281         spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1282         return r;
1283 }
1284
1285 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1286 {
1287         unsigned long flags;
1288
1289         spin_lock_irqsave(&rdev->mc_idx_lock, flags);
1290         WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1291                 S_0028F8_MC_IND_WR_EN(1));
1292         WREG32(R_0028FC_MC_DATA, v);
1293         WREG32(R_0028F8_MC_INDEX, 0x7F);
1294         spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
1295 }
1296
1297 static void r600_mc_program(struct radeon_device *rdev)
1298 {
1299         struct rv515_mc_save save;
1300         u32 tmp;
1301         int i, j;
1302
1303         /* Initialize HDP */
1304         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1305                 WREG32((0x2c14 + j), 0x00000000);
1306                 WREG32((0x2c18 + j), 0x00000000);
1307                 WREG32((0x2c1c + j), 0x00000000);
1308                 WREG32((0x2c20 + j), 0x00000000);
1309                 WREG32((0x2c24 + j), 0x00000000);
1310         }
1311         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1312
1313         rv515_mc_stop(rdev, &save);
1314         if (r600_mc_wait_for_idle(rdev)) {
1315                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1316         }
1317         /* Lockout access through VGA aperture (doesn't exist before R600) */
1318         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1319         /* Update configuration */
1320         if (rdev->flags & RADEON_IS_AGP) {
1321                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1322                         /* VRAM before AGP */
1323                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1324                                 rdev->mc.vram_start >> 12);
1325                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1326                                 rdev->mc.gtt_end >> 12);
1327                 } else {
1328                         /* VRAM after AGP */
1329                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1330                                 rdev->mc.gtt_start >> 12);
1331                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1332                                 rdev->mc.vram_end >> 12);
1333                 }
1334         } else {
1335                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1336                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1337         }
1338         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1339         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1340         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1341         WREG32(MC_VM_FB_LOCATION, tmp);
1342         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1343         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1344         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1345         if (rdev->flags & RADEON_IS_AGP) {
1346                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1347                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1348                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1349         } else {
1350                 WREG32(MC_VM_AGP_BASE, 0);
1351                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1352                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1353         }
1354         if (r600_mc_wait_for_idle(rdev)) {
1355                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1356         }
1357         rv515_mc_resume(rdev, &save);
1358         /* we need to own VRAM, so turn off the VGA renderer here
1359          * to stop it overwriting our objects */
1360         rv515_vga_render_disable(rdev);
1361 }
1362
1363 /**
1364  * r600_vram_gtt_location - try to find VRAM & GTT location
1365  * @rdev: radeon device structure holding all necessary informations
1366  * @mc: memory controller structure holding memory informations
1367  *
1368  * Function will place try to place VRAM at same place as in CPU (PCI)
1369  * address space as some GPU seems to have issue when we reprogram at
1370  * different address space.
1371  *
1372  * If there is not enough space to fit the unvisible VRAM after the
1373  * aperture then we limit the VRAM size to the aperture.
1374  *
1375  * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1376  * them to be in one from GPU point of view so that we can program GPU to
1377  * catch access outside them (weird GPU policy see ??).
1378  *
1379  * This function will never fails, worst case are limiting VRAM or GTT.
1380  *
1381  * Note: GTT start, end, size should be initialized before calling this
1382  * function on AGP platform.
1383  */
1384 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1385 {
1386         u64 size_bf, size_af;
1387
1388         if (mc->mc_vram_size > 0xE0000000) {
1389                 /* leave room for at least 512M GTT */
1390                 dev_warn(rdev->dev, "limiting VRAM\n");
1391                 mc->real_vram_size = 0xE0000000;
1392                 mc->mc_vram_size = 0xE0000000;
1393         }
1394         if (rdev->flags & RADEON_IS_AGP) {
1395                 size_bf = mc->gtt_start;
1396                 size_af = mc->mc_mask - mc->gtt_end;
1397                 if (size_bf > size_af) {
1398                         if (mc->mc_vram_size > size_bf) {
1399                                 dev_warn(rdev->dev, "limiting VRAM\n");
1400                                 mc->real_vram_size = size_bf;
1401                                 mc->mc_vram_size = size_bf;
1402                         }
1403                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1404                 } else {
1405                         if (mc->mc_vram_size > size_af) {
1406                                 dev_warn(rdev->dev, "limiting VRAM\n");
1407                                 mc->real_vram_size = size_af;
1408                                 mc->mc_vram_size = size_af;
1409                         }
1410                         mc->vram_start = mc->gtt_end + 1;
1411                 }
1412                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1413                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1414                                 mc->mc_vram_size >> 20, mc->vram_start,
1415                                 mc->vram_end, mc->real_vram_size >> 20);
1416         } else {
1417                 u64 base = 0;
1418                 if (rdev->flags & RADEON_IS_IGP) {
1419                         base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1420                         base <<= 24;
1421                 }
1422                 radeon_vram_location(rdev, &rdev->mc, base);
1423                 rdev->mc.gtt_base_align = 0;
1424                 radeon_gtt_location(rdev, mc);
1425         }
1426 }
1427
1428 static int r600_mc_init(struct radeon_device *rdev)
1429 {
1430         u32 tmp;
1431         int chansize, numchan;
1432         uint32_t h_addr, l_addr;
1433         unsigned long long k8_addr;
1434
1435         /* Get VRAM informations */
1436         rdev->mc.vram_is_ddr = true;
1437         tmp = RREG32(RAMCFG);
1438         if (tmp & CHANSIZE_OVERRIDE) {
1439                 chansize = 16;
1440         } else if (tmp & CHANSIZE_MASK) {
1441                 chansize = 64;
1442         } else {
1443                 chansize = 32;
1444         }
1445         tmp = RREG32(CHMAP);
1446         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1447         case 0:
1448         default:
1449                 numchan = 1;
1450                 break;
1451         case 1:
1452                 numchan = 2;
1453                 break;
1454         case 2:
1455                 numchan = 4;
1456                 break;
1457         case 3:
1458                 numchan = 8;
1459                 break;
1460         }
1461         rdev->mc.vram_width = numchan * chansize;
1462         /* Could aper size report 0 ? */
1463         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1464         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1465         /* Setup GPU memory space */
1466         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1467         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1468         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1469         r600_vram_gtt_location(rdev, &rdev->mc);
1470
1471         if (rdev->flags & RADEON_IS_IGP) {
1472                 rs690_pm_info(rdev);
1473                 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1474
1475                 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1476                         /* Use K8 direct mapping for fast fb access. */
1477                         rdev->fastfb_working = false;
1478                         h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1479                         l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1480                         k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1481 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1482                         if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1483 #endif
1484                         {
1485                                 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1486                                 * memory is present.
1487                                 */
1488                                 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1489                                         DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1490                                                 (unsigned long long)rdev->mc.aper_base, k8_addr);
1491                                         rdev->mc.aper_base = (resource_size_t)k8_addr;
1492                                         rdev->fastfb_working = true;
1493                                 }
1494                         }
1495                 }
1496         }
1497
1498         radeon_update_bandwidth_info(rdev);
1499         return 0;
1500 }
1501
1502 int r600_vram_scratch_init(struct radeon_device *rdev)
1503 {
1504         int r;
1505
1506         if (rdev->vram_scratch.robj == NULL) {
1507                 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1508                                      PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1509                                      0, NULL, NULL, &rdev->vram_scratch.robj);
1510                 if (r) {
1511                         return r;
1512                 }
1513         }
1514
1515         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1516         if (unlikely(r != 0))
1517                 return r;
1518         r = radeon_bo_pin(rdev->vram_scratch.robj,
1519                           RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1520         if (r) {
1521                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1522                 return r;
1523         }
1524         r = radeon_bo_kmap(rdev->vram_scratch.robj,
1525                                 (void **)&rdev->vram_scratch.ptr);
1526         if (r)
1527                 radeon_bo_unpin(rdev->vram_scratch.robj);
1528         radeon_bo_unreserve(rdev->vram_scratch.robj);
1529
1530         return r;
1531 }
1532
1533 void r600_vram_scratch_fini(struct radeon_device *rdev)
1534 {
1535         int r;
1536
1537         if (rdev->vram_scratch.robj == NULL) {
1538                 return;
1539         }
1540         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1541         if (likely(r == 0)) {
1542                 radeon_bo_kunmap(rdev->vram_scratch.robj);
1543                 radeon_bo_unpin(rdev->vram_scratch.robj);
1544                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1545         }
1546         radeon_bo_unref(&rdev->vram_scratch.robj);
1547 }
1548
1549 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1550 {
1551         u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1552
1553         if (hung)
1554                 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1555         else
1556                 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1557
1558         WREG32(R600_BIOS_3_SCRATCH, tmp);
1559 }
1560
1561 static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1562 {
1563         dev_info(rdev->dev, "  R_008010_GRBM_STATUS      = 0x%08X\n",
1564                  RREG32(R_008010_GRBM_STATUS));
1565         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2     = 0x%08X\n",
1566                  RREG32(R_008014_GRBM_STATUS2));
1567         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS      = 0x%08X\n",
1568                  RREG32(R_000E50_SRBM_STATUS));
1569         dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1570                  RREG32(CP_STALLED_STAT1));
1571         dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1572                  RREG32(CP_STALLED_STAT2));
1573         dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1574                  RREG32(CP_BUSY_STAT));
1575         dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1576                  RREG32(CP_STAT));
1577         dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
1578                 RREG32(DMA_STATUS_REG));
1579 }
1580
1581 static bool r600_is_display_hung(struct radeon_device *rdev)
1582 {
1583         u32 crtc_hung = 0;
1584         u32 crtc_status[2];
1585         u32 i, j, tmp;
1586
1587         for (i = 0; i < rdev->num_crtc; i++) {
1588                 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1589                         crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1590                         crtc_hung |= (1 << i);
1591                 }
1592         }
1593
1594         for (j = 0; j < 10; j++) {
1595                 for (i = 0; i < rdev->num_crtc; i++) {
1596                         if (crtc_hung & (1 << i)) {
1597                                 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1598                                 if (tmp != crtc_status[i])
1599                                         crtc_hung &= ~(1 << i);
1600                         }
1601                 }
1602                 if (crtc_hung == 0)
1603                         return false;
1604                 udelay(100);
1605         }
1606
1607         return true;
1608 }
1609
1610 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1611 {
1612         u32 reset_mask = 0;
1613         u32 tmp;
1614
1615         /* GRBM_STATUS */
1616         tmp = RREG32(R_008010_GRBM_STATUS);
1617         if (rdev->family >= CHIP_RV770) {
1618                 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1619                     G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1620                     G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1621                     G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1622                     G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1623                         reset_mask |= RADEON_RESET_GFX;
1624         } else {
1625                 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1626                     G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1627                     G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1628                     G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1629                     G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1630                         reset_mask |= RADEON_RESET_GFX;
1631         }
1632
1633         if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1634             G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1635                 reset_mask |= RADEON_RESET_CP;
1636
1637         if (G_008010_GRBM_EE_BUSY(tmp))
1638                 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1639
1640         /* DMA_STATUS_REG */
1641         tmp = RREG32(DMA_STATUS_REG);
1642         if (!(tmp & DMA_IDLE))
1643                 reset_mask |= RADEON_RESET_DMA;
1644
1645         /* SRBM_STATUS */
1646         tmp = RREG32(R_000E50_SRBM_STATUS);
1647         if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1648                 reset_mask |= RADEON_RESET_RLC;
1649
1650         if (G_000E50_IH_BUSY(tmp))
1651                 reset_mask |= RADEON_RESET_IH;
1652
1653         if (G_000E50_SEM_BUSY(tmp))
1654                 reset_mask |= RADEON_RESET_SEM;
1655
1656         if (G_000E50_GRBM_RQ_PENDING(tmp))
1657                 reset_mask |= RADEON_RESET_GRBM;
1658
1659         if (G_000E50_VMC_BUSY(tmp))
1660                 reset_mask |= RADEON_RESET_VMC;
1661
1662         if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1663             G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1664             G_000E50_MCDW_BUSY(tmp))
1665                 reset_mask |= RADEON_RESET_MC;
1666
1667         if (r600_is_display_hung(rdev))
1668                 reset_mask |= RADEON_RESET_DISPLAY;
1669
1670         /* Skip MC reset as it's mostly likely not hung, just busy */
1671         if (reset_mask & RADEON_RESET_MC) {
1672                 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1673                 reset_mask &= ~RADEON_RESET_MC;
1674         }
1675
1676         return reset_mask;
1677 }
1678
1679 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1680 {
1681         struct rv515_mc_save save;
1682         u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1683         u32 tmp;
1684
1685         if (reset_mask == 0)
1686                 return;
1687
1688         dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1689
1690         r600_print_gpu_status_regs(rdev);
1691
1692         /* Disable CP parsing/prefetching */
1693         if (rdev->family >= CHIP_RV770)
1694                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1695         else
1696                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1697
1698         /* disable the RLC */
1699         WREG32(RLC_CNTL, 0);
1700
1701         if (reset_mask & RADEON_RESET_DMA) {
1702                 /* Disable DMA */
1703                 tmp = RREG32(DMA_RB_CNTL);
1704                 tmp &= ~DMA_RB_ENABLE;
1705                 WREG32(DMA_RB_CNTL, tmp);
1706         }
1707
1708         mdelay(50);
1709
1710         rv515_mc_stop(rdev, &save);
1711         if (r600_mc_wait_for_idle(rdev)) {
1712                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1713         }
1714
1715         if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1716                 if (rdev->family >= CHIP_RV770)
1717                         grbm_soft_reset |= 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_SPI(1) |
1722                                 S_008020_SOFT_RESET_SX(1) |
1723                                 S_008020_SOFT_RESET_SH(1) |
1724                                 S_008020_SOFT_RESET_TC(1) |
1725                                 S_008020_SOFT_RESET_TA(1) |
1726                                 S_008020_SOFT_RESET_VC(1) |
1727                                 S_008020_SOFT_RESET_VGT(1);
1728                 else
1729                         grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1730                                 S_008020_SOFT_RESET_DB(1) |
1731                                 S_008020_SOFT_RESET_CB(1) |
1732                                 S_008020_SOFT_RESET_PA(1) |
1733                                 S_008020_SOFT_RESET_SC(1) |
1734                                 S_008020_SOFT_RESET_SMX(1) |
1735                                 S_008020_SOFT_RESET_SPI(1) |
1736                                 S_008020_SOFT_RESET_SX(1) |
1737                                 S_008020_SOFT_RESET_SH(1) |
1738                                 S_008020_SOFT_RESET_TC(1) |
1739                                 S_008020_SOFT_RESET_TA(1) |
1740                                 S_008020_SOFT_RESET_VC(1) |
1741                                 S_008020_SOFT_RESET_VGT(1);
1742         }
1743
1744         if (reset_mask & RADEON_RESET_CP) {
1745                 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1746                         S_008020_SOFT_RESET_VGT(1);
1747
1748                 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1749         }
1750
1751         if (reset_mask & RADEON_RESET_DMA) {
1752                 if (rdev->family >= CHIP_RV770)
1753                         srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1754                 else
1755                         srbm_soft_reset |= SOFT_RESET_DMA;
1756         }
1757
1758         if (reset_mask & RADEON_RESET_RLC)
1759                 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1760
1761         if (reset_mask & RADEON_RESET_SEM)
1762                 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1763
1764         if (reset_mask & RADEON_RESET_IH)
1765                 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1766
1767         if (reset_mask & RADEON_RESET_GRBM)
1768                 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1769
1770         if (!(rdev->flags & RADEON_IS_IGP)) {
1771                 if (reset_mask & RADEON_RESET_MC)
1772                         srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1773         }
1774
1775         if (reset_mask & RADEON_RESET_VMC)
1776                 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1777
1778         if (grbm_soft_reset) {
1779                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1780                 tmp |= grbm_soft_reset;
1781                 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1782                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1783                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1784
1785                 udelay(50);
1786
1787                 tmp &= ~grbm_soft_reset;
1788                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1789                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1790         }
1791
1792         if (srbm_soft_reset) {
1793                 tmp = RREG32(SRBM_SOFT_RESET);
1794                 tmp |= srbm_soft_reset;
1795                 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1796                 WREG32(SRBM_SOFT_RESET, tmp);
1797                 tmp = RREG32(SRBM_SOFT_RESET);
1798
1799                 udelay(50);
1800
1801                 tmp &= ~srbm_soft_reset;
1802                 WREG32(SRBM_SOFT_RESET, tmp);
1803                 tmp = RREG32(SRBM_SOFT_RESET);
1804         }
1805
1806         /* Wait a little for things to settle down */
1807         mdelay(1);
1808
1809         rv515_mc_resume(rdev, &save);
1810         udelay(50);
1811
1812         r600_print_gpu_status_regs(rdev);
1813 }
1814
1815 static void r600_gpu_pci_config_reset(struct radeon_device *rdev)
1816 {
1817         struct rv515_mc_save save;
1818         u32 tmp, i;
1819
1820         dev_info(rdev->dev, "GPU pci config reset\n");
1821
1822         /* disable dpm? */
1823
1824         /* Disable CP parsing/prefetching */
1825         if (rdev->family >= CHIP_RV770)
1826                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1827         else
1828                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1829
1830         /* disable the RLC */
1831         WREG32(RLC_CNTL, 0);
1832
1833         /* Disable DMA */
1834         tmp = RREG32(DMA_RB_CNTL);
1835         tmp &= ~DMA_RB_ENABLE;
1836         WREG32(DMA_RB_CNTL, tmp);
1837
1838         mdelay(50);
1839
1840         /* set mclk/sclk to bypass */
1841         if (rdev->family >= CHIP_RV770)
1842                 rv770_set_clk_bypass_mode(rdev);
1843         /* disable BM */
1844         pci_clear_master(rdev->pdev);
1845         /* disable mem access */
1846         rv515_mc_stop(rdev, &save);
1847         if (r600_mc_wait_for_idle(rdev)) {
1848                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1849         }
1850
1851         /* BIF reset workaround.  Not sure if this is needed on 6xx */
1852         tmp = RREG32(BUS_CNTL);
1853         tmp |= VGA_COHE_SPEC_TIMER_DIS;
1854         WREG32(BUS_CNTL, tmp);
1855
1856         tmp = RREG32(BIF_SCRATCH0);
1857
1858         /* reset */
1859         radeon_pci_config_reset(rdev);
1860         mdelay(1);
1861
1862         /* BIF reset workaround.  Not sure if this is needed on 6xx */
1863         tmp = SOFT_RESET_BIF;
1864         WREG32(SRBM_SOFT_RESET, tmp);
1865         mdelay(1);
1866         WREG32(SRBM_SOFT_RESET, 0);
1867
1868         /* wait for asic to come out of reset */
1869         for (i = 0; i < rdev->usec_timeout; i++) {
1870                 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
1871                         break;
1872                 udelay(1);
1873         }
1874 }
1875
1876 int r600_asic_reset(struct radeon_device *rdev, bool hard)
1877 {
1878         u32 reset_mask;
1879
1880         if (hard) {
1881                 r600_gpu_pci_config_reset(rdev);
1882                 return 0;
1883         }
1884
1885         reset_mask = r600_gpu_check_soft_reset(rdev);
1886
1887         if (reset_mask)
1888                 r600_set_bios_scratch_engine_hung(rdev, true);
1889
1890         /* try soft reset */
1891         r600_gpu_soft_reset(rdev, reset_mask);
1892
1893         reset_mask = r600_gpu_check_soft_reset(rdev);
1894
1895         /* try pci config reset */
1896         if (reset_mask && radeon_hard_reset)
1897                 r600_gpu_pci_config_reset(rdev);
1898
1899         reset_mask = r600_gpu_check_soft_reset(rdev);
1900
1901         if (!reset_mask)
1902                 r600_set_bios_scratch_engine_hung(rdev, false);
1903
1904         return 0;
1905 }
1906
1907 /**
1908  * r600_gfx_is_lockup - Check if the GFX engine is locked up
1909  *
1910  * @rdev: radeon_device pointer
1911  * @ring: radeon_ring structure holding ring information
1912  *
1913  * Check if the GFX engine is locked up.
1914  * Returns true if the engine appears to be locked up, false if not.
1915  */
1916 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1917 {
1918         u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1919
1920         if (!(reset_mask & (RADEON_RESET_GFX |
1921                             RADEON_RESET_COMPUTE |
1922                             RADEON_RESET_CP))) {
1923                 radeon_ring_lockup_update(rdev, ring);
1924                 return false;
1925         }
1926         return radeon_ring_test_lockup(rdev, ring);
1927 }
1928
1929 u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1930                               u32 tiling_pipe_num,
1931                               u32 max_rb_num,
1932                               u32 total_max_rb_num,
1933                               u32 disabled_rb_mask)
1934 {
1935         u32 rendering_pipe_num, rb_num_width, req_rb_num;
1936         u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1937         u32 data = 0, mask = 1 << (max_rb_num - 1);
1938         unsigned i, j;
1939
1940         /* mask out the RBs that don't exist on that asic */
1941         tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1942         /* make sure at least one RB is available */
1943         if ((tmp & 0xff) != 0xff)
1944                 disabled_rb_mask = tmp;
1945
1946         rendering_pipe_num = 1 << tiling_pipe_num;
1947         req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1948         BUG_ON(rendering_pipe_num < req_rb_num);
1949
1950         pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1951         pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1952
1953         if (rdev->family <= CHIP_RV740) {
1954                 /* r6xx/r7xx */
1955                 rb_num_width = 2;
1956         } else {
1957                 /* eg+ */
1958                 rb_num_width = 4;
1959         }
1960
1961         for (i = 0; i < max_rb_num; i++) {
1962                 if (!(mask & disabled_rb_mask)) {
1963                         for (j = 0; j < pipe_rb_ratio; j++) {
1964                                 data <<= rb_num_width;
1965                                 data |= max_rb_num - i - 1;
1966                         }
1967                         if (pipe_rb_remain) {
1968                                 data <<= rb_num_width;
1969                                 data |= max_rb_num - i - 1;
1970                                 pipe_rb_remain--;
1971                         }
1972                 }
1973                 mask >>= 1;
1974         }
1975
1976         return data;
1977 }
1978
1979 int r600_count_pipe_bits(uint32_t val)
1980 {
1981         return hweight32(val);
1982 }
1983
1984 static void r600_gpu_init(struct radeon_device *rdev)
1985 {
1986         u32 tiling_config;
1987         u32 ramcfg;
1988         u32 cc_gc_shader_pipe_config;
1989         u32 tmp;
1990         int i, j;
1991         u32 sq_config;
1992         u32 sq_gpr_resource_mgmt_1 = 0;
1993         u32 sq_gpr_resource_mgmt_2 = 0;
1994         u32 sq_thread_resource_mgmt = 0;
1995         u32 sq_stack_resource_mgmt_1 = 0;
1996         u32 sq_stack_resource_mgmt_2 = 0;
1997         u32 disabled_rb_mask;
1998
1999         rdev->config.r600.tiling_group_size = 256;
2000         switch (rdev->family) {
2001         case CHIP_R600:
2002                 rdev->config.r600.max_pipes = 4;
2003                 rdev->config.r600.max_tile_pipes = 8;
2004                 rdev->config.r600.max_simds = 4;
2005                 rdev->config.r600.max_backends = 4;
2006                 rdev->config.r600.max_gprs = 256;
2007                 rdev->config.r600.max_threads = 192;
2008                 rdev->config.r600.max_stack_entries = 256;
2009                 rdev->config.r600.max_hw_contexts = 8;
2010                 rdev->config.r600.max_gs_threads = 16;
2011                 rdev->config.r600.sx_max_export_size = 128;
2012                 rdev->config.r600.sx_max_export_pos_size = 16;
2013                 rdev->config.r600.sx_max_export_smx_size = 128;
2014                 rdev->config.r600.sq_num_cf_insts = 2;
2015                 break;
2016         case CHIP_RV630:
2017         case CHIP_RV635:
2018                 rdev->config.r600.max_pipes = 2;
2019                 rdev->config.r600.max_tile_pipes = 2;
2020                 rdev->config.r600.max_simds = 3;
2021                 rdev->config.r600.max_backends = 1;
2022                 rdev->config.r600.max_gprs = 128;
2023                 rdev->config.r600.max_threads = 192;
2024                 rdev->config.r600.max_stack_entries = 128;
2025                 rdev->config.r600.max_hw_contexts = 8;
2026                 rdev->config.r600.max_gs_threads = 4;
2027                 rdev->config.r600.sx_max_export_size = 128;
2028                 rdev->config.r600.sx_max_export_pos_size = 16;
2029                 rdev->config.r600.sx_max_export_smx_size = 128;
2030                 rdev->config.r600.sq_num_cf_insts = 2;
2031                 break;
2032         case CHIP_RV610:
2033         case CHIP_RV620:
2034         case CHIP_RS780:
2035         case CHIP_RS880:
2036                 rdev->config.r600.max_pipes = 1;
2037                 rdev->config.r600.max_tile_pipes = 1;
2038                 rdev->config.r600.max_simds = 2;
2039                 rdev->config.r600.max_backends = 1;
2040                 rdev->config.r600.max_gprs = 128;
2041                 rdev->config.r600.max_threads = 192;
2042                 rdev->config.r600.max_stack_entries = 128;
2043                 rdev->config.r600.max_hw_contexts = 4;
2044                 rdev->config.r600.max_gs_threads = 4;
2045                 rdev->config.r600.sx_max_export_size = 128;
2046                 rdev->config.r600.sx_max_export_pos_size = 16;
2047                 rdev->config.r600.sx_max_export_smx_size = 128;
2048                 rdev->config.r600.sq_num_cf_insts = 1;
2049                 break;
2050         case CHIP_RV670:
2051                 rdev->config.r600.max_pipes = 4;
2052                 rdev->config.r600.max_tile_pipes = 4;
2053                 rdev->config.r600.max_simds = 4;
2054                 rdev->config.r600.max_backends = 4;
2055                 rdev->config.r600.max_gprs = 192;
2056                 rdev->config.r600.max_threads = 192;
2057                 rdev->config.r600.max_stack_entries = 256;
2058                 rdev->config.r600.max_hw_contexts = 8;
2059                 rdev->config.r600.max_gs_threads = 16;
2060                 rdev->config.r600.sx_max_export_size = 128;
2061                 rdev->config.r600.sx_max_export_pos_size = 16;
2062                 rdev->config.r600.sx_max_export_smx_size = 128;
2063                 rdev->config.r600.sq_num_cf_insts = 2;
2064                 break;
2065         default:
2066                 break;
2067         }
2068
2069         /* Initialize HDP */
2070         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2071                 WREG32((0x2c14 + j), 0x00000000);
2072                 WREG32((0x2c18 + j), 0x00000000);
2073                 WREG32((0x2c1c + j), 0x00000000);
2074                 WREG32((0x2c20 + j), 0x00000000);
2075                 WREG32((0x2c24 + j), 0x00000000);
2076         }
2077
2078         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
2079
2080         /* Setup tiling */
2081         tiling_config = 0;
2082         ramcfg = RREG32(RAMCFG);
2083         switch (rdev->config.r600.max_tile_pipes) {
2084         case 1:
2085                 tiling_config |= PIPE_TILING(0);
2086                 break;
2087         case 2:
2088                 tiling_config |= PIPE_TILING(1);
2089                 break;
2090         case 4:
2091                 tiling_config |= PIPE_TILING(2);
2092                 break;
2093         case 8:
2094                 tiling_config |= PIPE_TILING(3);
2095                 break;
2096         default:
2097                 break;
2098         }
2099         rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
2100         rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2101         tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
2102         tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
2103
2104         tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
2105         if (tmp > 3) {
2106                 tiling_config |= ROW_TILING(3);
2107                 tiling_config |= SAMPLE_SPLIT(3);
2108         } else {
2109                 tiling_config |= ROW_TILING(tmp);
2110                 tiling_config |= SAMPLE_SPLIT(tmp);
2111         }
2112         tiling_config |= BANK_SWAPS(1);
2113
2114         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
2115         tmp = rdev->config.r600.max_simds -
2116                 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
2117         rdev->config.r600.active_simds = tmp;
2118
2119         disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
2120         tmp = 0;
2121         for (i = 0; i < rdev->config.r600.max_backends; i++)
2122                 tmp |= (1 << i);
2123         /* if all the backends are disabled, fix it up here */
2124         if ((disabled_rb_mask & tmp) == tmp) {
2125                 for (i = 0; i < rdev->config.r600.max_backends; i++)
2126                         disabled_rb_mask &= ~(1 << i);
2127         }
2128         tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
2129         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
2130                                         R6XX_MAX_BACKENDS, disabled_rb_mask);
2131         tiling_config |= tmp << 16;
2132         rdev->config.r600.backend_map = tmp;
2133
2134         rdev->config.r600.tile_config = tiling_config;
2135         WREG32(GB_TILING_CONFIG, tiling_config);
2136         WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
2137         WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
2138         WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
2139
2140         tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
2141         WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
2142         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
2143
2144         /* Setup some CP states */
2145         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
2146         WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
2147
2148         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
2149                              SYNC_WALKER | SYNC_ALIGNER));
2150         /* Setup various GPU states */
2151         if (rdev->family == CHIP_RV670)
2152                 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
2153
2154         tmp = RREG32(SX_DEBUG_1);
2155         tmp |= SMX_EVENT_RELEASE;
2156         if ((rdev->family > CHIP_R600))
2157                 tmp |= ENABLE_NEW_SMX_ADDRESS;
2158         WREG32(SX_DEBUG_1, tmp);
2159
2160         if (((rdev->family) == CHIP_R600) ||
2161             ((rdev->family) == CHIP_RV630) ||
2162             ((rdev->family) == CHIP_RV610) ||
2163             ((rdev->family) == CHIP_RV620) ||
2164             ((rdev->family) == CHIP_RS780) ||
2165             ((rdev->family) == CHIP_RS880)) {
2166                 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
2167         } else {
2168                 WREG32(DB_DEBUG, 0);
2169         }
2170         WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
2171                                DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
2172
2173         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2174         WREG32(VGT_NUM_INSTANCES, 0);
2175
2176         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
2177         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
2178
2179         tmp = RREG32(SQ_MS_FIFO_SIZES);
2180         if (((rdev->family) == CHIP_RV610) ||
2181             ((rdev->family) == CHIP_RV620) ||
2182             ((rdev->family) == CHIP_RS780) ||
2183             ((rdev->family) == CHIP_RS880)) {
2184                 tmp = (CACHE_FIFO_SIZE(0xa) |
2185                        FETCH_FIFO_HIWATER(0xa) |
2186                        DONE_FIFO_HIWATER(0xe0) |
2187                        ALU_UPDATE_FIFO_HIWATER(0x8));
2188         } else if (((rdev->family) == CHIP_R600) ||
2189                    ((rdev->family) == CHIP_RV630)) {
2190                 tmp &= ~DONE_FIFO_HIWATER(0xff);
2191                 tmp |= DONE_FIFO_HIWATER(0x4);
2192         }
2193         WREG32(SQ_MS_FIFO_SIZES, tmp);
2194
2195         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
2196          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
2197          */
2198         sq_config = RREG32(SQ_CONFIG);
2199         sq_config &= ~(PS_PRIO(3) |
2200                        VS_PRIO(3) |
2201                        GS_PRIO(3) |
2202                        ES_PRIO(3));
2203         sq_config |= (DX9_CONSTS |
2204                       VC_ENABLE |
2205                       PS_PRIO(0) |
2206                       VS_PRIO(1) |
2207                       GS_PRIO(2) |
2208                       ES_PRIO(3));
2209
2210         if ((rdev->family) == CHIP_R600) {
2211                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
2212                                           NUM_VS_GPRS(124) |
2213                                           NUM_CLAUSE_TEMP_GPRS(4));
2214                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
2215                                           NUM_ES_GPRS(0));
2216                 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
2217                                            NUM_VS_THREADS(48) |
2218                                            NUM_GS_THREADS(4) |
2219                                            NUM_ES_THREADS(4));
2220                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
2221                                             NUM_VS_STACK_ENTRIES(128));
2222                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
2223                                             NUM_ES_STACK_ENTRIES(0));
2224         } else if (((rdev->family) == CHIP_RV610) ||
2225                    ((rdev->family) == CHIP_RV620) ||
2226                    ((rdev->family) == CHIP_RS780) ||
2227                    ((rdev->family) == CHIP_RS880)) {
2228                 /* no vertex cache */
2229                 sq_config &= ~VC_ENABLE;
2230
2231                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2232                                           NUM_VS_GPRS(44) |
2233                                           NUM_CLAUSE_TEMP_GPRS(2));
2234                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2235                                           NUM_ES_GPRS(17));
2236                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2237                                            NUM_VS_THREADS(78) |
2238                                            NUM_GS_THREADS(4) |
2239                                            NUM_ES_THREADS(31));
2240                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2241                                             NUM_VS_STACK_ENTRIES(40));
2242                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2243                                             NUM_ES_STACK_ENTRIES(16));
2244         } else if (((rdev->family) == CHIP_RV630) ||
2245                    ((rdev->family) == CHIP_RV635)) {
2246                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2247                                           NUM_VS_GPRS(44) |
2248                                           NUM_CLAUSE_TEMP_GPRS(2));
2249                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
2250                                           NUM_ES_GPRS(18));
2251                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2252                                            NUM_VS_THREADS(78) |
2253                                            NUM_GS_THREADS(4) |
2254                                            NUM_ES_THREADS(31));
2255                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
2256                                             NUM_VS_STACK_ENTRIES(40));
2257                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
2258                                             NUM_ES_STACK_ENTRIES(16));
2259         } else if ((rdev->family) == CHIP_RV670) {
2260                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
2261                                           NUM_VS_GPRS(44) |
2262                                           NUM_CLAUSE_TEMP_GPRS(2));
2263                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
2264                                           NUM_ES_GPRS(17));
2265                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
2266                                            NUM_VS_THREADS(78) |
2267                                            NUM_GS_THREADS(4) |
2268                                            NUM_ES_THREADS(31));
2269                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
2270                                             NUM_VS_STACK_ENTRIES(64));
2271                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
2272                                             NUM_ES_STACK_ENTRIES(64));
2273         }
2274
2275         WREG32(SQ_CONFIG, sq_config);
2276         WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
2277         WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
2278         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2279         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2280         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2281
2282         if (((rdev->family) == CHIP_RV610) ||
2283             ((rdev->family) == CHIP_RV620) ||
2284             ((rdev->family) == CHIP_RS780) ||
2285             ((rdev->family) == CHIP_RS880)) {
2286                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2287         } else {
2288                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2289         }
2290
2291         /* More default values. 2D/3D driver should adjust as needed */
2292         WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2293                                          S1_X(0x4) | S1_Y(0xc)));
2294         WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2295                                          S1_X(0x2) | S1_Y(0x2) |
2296                                          S2_X(0xa) | S2_Y(0x6) |
2297                                          S3_X(0x6) | S3_Y(0xa)));
2298         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2299                                              S1_X(0x4) | S1_Y(0xc) |
2300                                              S2_X(0x1) | S2_Y(0x6) |
2301                                              S3_X(0xa) | S3_Y(0xe)));
2302         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2303                                              S5_X(0x0) | S5_Y(0x0) |
2304                                              S6_X(0xb) | S6_Y(0x4) |
2305                                              S7_X(0x7) | S7_Y(0x8)));
2306
2307         WREG32(VGT_STRMOUT_EN, 0);
2308         tmp = rdev->config.r600.max_pipes * 16;
2309         switch (rdev->family) {
2310         case CHIP_RV610:
2311         case CHIP_RV620:
2312         case CHIP_RS780:
2313         case CHIP_RS880:
2314                 tmp += 32;
2315                 break;
2316         case CHIP_RV670:
2317                 tmp += 128;
2318                 break;
2319         default:
2320                 break;
2321         }
2322         if (tmp > 256) {
2323                 tmp = 256;
2324         }
2325         WREG32(VGT_ES_PER_GS, 128);
2326         WREG32(VGT_GS_PER_ES, tmp);
2327         WREG32(VGT_GS_PER_VS, 2);
2328         WREG32(VGT_GS_VERTEX_REUSE, 16);
2329
2330         /* more default values. 2D/3D driver should adjust as needed */
2331         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2332         WREG32(VGT_STRMOUT_EN, 0);
2333         WREG32(SX_MISC, 0);
2334         WREG32(PA_SC_MODE_CNTL, 0);
2335         WREG32(PA_SC_AA_CONFIG, 0);
2336         WREG32(PA_SC_LINE_STIPPLE, 0);
2337         WREG32(SPI_INPUT_Z, 0);
2338         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2339         WREG32(CB_COLOR7_FRAG, 0);
2340
2341         /* Clear render buffer base addresses */
2342         WREG32(CB_COLOR0_BASE, 0);
2343         WREG32(CB_COLOR1_BASE, 0);
2344         WREG32(CB_COLOR2_BASE, 0);
2345         WREG32(CB_COLOR3_BASE, 0);
2346         WREG32(CB_COLOR4_BASE, 0);
2347         WREG32(CB_COLOR5_BASE, 0);
2348         WREG32(CB_COLOR6_BASE, 0);
2349         WREG32(CB_COLOR7_BASE, 0);
2350         WREG32(CB_COLOR7_FRAG, 0);
2351
2352         switch (rdev->family) {
2353         case CHIP_RV610:
2354         case CHIP_RV620:
2355         case CHIP_RS780:
2356         case CHIP_RS880:
2357                 tmp = TC_L2_SIZE(8);
2358                 break;
2359         case CHIP_RV630:
2360         case CHIP_RV635:
2361                 tmp = TC_L2_SIZE(4);
2362                 break;
2363         case CHIP_R600:
2364                 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2365                 break;
2366         default:
2367                 tmp = TC_L2_SIZE(0);
2368                 break;
2369         }
2370         WREG32(TC_CNTL, tmp);
2371
2372         tmp = RREG32(HDP_HOST_PATH_CNTL);
2373         WREG32(HDP_HOST_PATH_CNTL, tmp);
2374
2375         tmp = RREG32(ARB_POP);
2376         tmp |= ENABLE_TC128;
2377         WREG32(ARB_POP, tmp);
2378
2379         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2380         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2381                                NUM_CLIP_SEQ(3)));
2382         WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2383         WREG32(VC_ENHANCE, 0);
2384 }
2385
2386
2387 /*
2388  * Indirect registers accessor
2389  */
2390 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2391 {
2392         unsigned long flags;
2393         u32 r;
2394
2395         spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2396         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2397         (void)RREG32(PCIE_PORT_INDEX);
2398         r = RREG32(PCIE_PORT_DATA);
2399         spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2400         return r;
2401 }
2402
2403 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2404 {
2405         unsigned long flags;
2406
2407         spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
2408         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2409         (void)RREG32(PCIE_PORT_INDEX);
2410         WREG32(PCIE_PORT_DATA, (v));
2411         (void)RREG32(PCIE_PORT_DATA);
2412         spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
2413 }
2414
2415 /*
2416  * CP & Ring
2417  */
2418 void r600_cp_stop(struct radeon_device *rdev)
2419 {
2420         if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2421                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2422         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2423         WREG32(SCRATCH_UMSK, 0);
2424         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2425 }
2426
2427 int r600_init_microcode(struct radeon_device *rdev)
2428 {
2429         const char *chip_name;
2430         const char *rlc_chip_name;
2431         const char *smc_chip_name = "RV770";
2432         size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
2433         char fw_name[30];
2434         int err;
2435
2436         DRM_DEBUG("\n");
2437
2438         switch (rdev->family) {
2439         case CHIP_R600:
2440                 chip_name = "R600";
2441                 rlc_chip_name = "R600";
2442                 break;
2443         case CHIP_RV610:
2444                 chip_name = "RV610";
2445                 rlc_chip_name = "R600";
2446                 break;
2447         case CHIP_RV630:
2448                 chip_name = "RV630";
2449                 rlc_chip_name = "R600";
2450                 break;
2451         case CHIP_RV620:
2452                 chip_name = "RV620";
2453                 rlc_chip_name = "R600";
2454                 break;
2455         case CHIP_RV635:
2456                 chip_name = "RV635";
2457                 rlc_chip_name = "R600";
2458                 break;
2459         case CHIP_RV670:
2460                 chip_name = "RV670";
2461                 rlc_chip_name = "R600";
2462                 break;
2463         case CHIP_RS780:
2464         case CHIP_RS880:
2465                 chip_name = "RS780";
2466                 rlc_chip_name = "R600";
2467                 break;
2468         case CHIP_RV770:
2469                 chip_name = "RV770";
2470                 rlc_chip_name = "R700";
2471                 smc_chip_name = "RV770";
2472                 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
2473                 break;
2474         case CHIP_RV730:
2475                 chip_name = "RV730";
2476                 rlc_chip_name = "R700";
2477                 smc_chip_name = "RV730";
2478                 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
2479                 break;
2480         case CHIP_RV710:
2481                 chip_name = "RV710";
2482                 rlc_chip_name = "R700";
2483                 smc_chip_name = "RV710";
2484                 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
2485                 break;
2486         case CHIP_RV740:
2487                 chip_name = "RV730";
2488                 rlc_chip_name = "R700";
2489                 smc_chip_name = "RV740";
2490                 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
2491                 break;
2492         case CHIP_CEDAR:
2493                 chip_name = "CEDAR";
2494                 rlc_chip_name = "CEDAR";
2495                 smc_chip_name = "CEDAR";
2496                 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
2497                 break;
2498         case CHIP_REDWOOD:
2499                 chip_name = "REDWOOD";
2500                 rlc_chip_name = "REDWOOD";
2501                 smc_chip_name = "REDWOOD";
2502                 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
2503                 break;
2504         case CHIP_JUNIPER:
2505                 chip_name = "JUNIPER";
2506                 rlc_chip_name = "JUNIPER";
2507                 smc_chip_name = "JUNIPER";
2508                 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
2509                 break;
2510         case CHIP_CYPRESS:
2511         case CHIP_HEMLOCK:
2512                 chip_name = "CYPRESS";
2513                 rlc_chip_name = "CYPRESS";
2514                 smc_chip_name = "CYPRESS";
2515                 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
2516                 break;
2517         case CHIP_PALM:
2518                 chip_name = "PALM";
2519                 rlc_chip_name = "SUMO";
2520                 break;
2521         case CHIP_SUMO:
2522                 chip_name = "SUMO";
2523                 rlc_chip_name = "SUMO";
2524                 break;
2525         case CHIP_SUMO2:
2526                 chip_name = "SUMO2";
2527                 rlc_chip_name = "SUMO";
2528                 break;
2529         default: BUG();
2530         }
2531
2532         if (rdev->family >= CHIP_CEDAR) {
2533                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2534                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2535                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2536         } else if (rdev->family >= CHIP_RV770) {
2537                 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2538                 me_req_size = R700_PM4_UCODE_SIZE * 4;
2539                 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2540         } else {
2541                 pfp_req_size = R600_PFP_UCODE_SIZE * 4;
2542                 me_req_size = R600_PM4_UCODE_SIZE * 12;
2543                 rlc_req_size = R600_RLC_UCODE_SIZE * 4;
2544         }
2545
2546         DRM_INFO("Loading %s Microcode\n", chip_name);
2547
2548         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2549         err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
2550         if (err)
2551                 goto out;
2552         if (rdev->pfp_fw->size != pfp_req_size) {
2553                 printk(KERN_ERR
2554                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2555                        rdev->pfp_fw->size, fw_name);
2556                 err = -EINVAL;
2557                 goto out;
2558         }
2559
2560         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2561         err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
2562         if (err)
2563                 goto out;
2564         if (rdev->me_fw->size != me_req_size) {
2565                 printk(KERN_ERR
2566                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2567                        rdev->me_fw->size, fw_name);
2568                 err = -EINVAL;
2569         }
2570
2571         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2572         err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
2573         if (err)
2574                 goto out;
2575         if (rdev->rlc_fw->size != rlc_req_size) {
2576                 printk(KERN_ERR
2577                        "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2578                        rdev->rlc_fw->size, fw_name);
2579                 err = -EINVAL;
2580         }
2581
2582         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
2583                 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
2584                 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
2585                 if (err) {
2586                         printk(KERN_ERR
2587                                "smc: error loading firmware \"%s\"\n",
2588                                fw_name);
2589                         release_firmware(rdev->smc_fw);
2590                         rdev->smc_fw = NULL;
2591                         err = 0;
2592                 } else if (rdev->smc_fw->size != smc_req_size) {
2593                         printk(KERN_ERR
2594                                "smc: Bogus length %zu in firmware \"%s\"\n",
2595                                rdev->smc_fw->size, fw_name);
2596                         err = -EINVAL;
2597                 }
2598         }
2599
2600 out:
2601         if (err) {
2602                 if (err != -EINVAL)
2603                         printk(KERN_ERR
2604                                "r600_cp: Failed to load firmware \"%s\"\n",
2605                                fw_name);
2606                 release_firmware(rdev->pfp_fw);
2607                 rdev->pfp_fw = NULL;
2608                 release_firmware(rdev->me_fw);
2609                 rdev->me_fw = NULL;
2610                 release_firmware(rdev->rlc_fw);
2611                 rdev->rlc_fw = NULL;
2612                 release_firmware(rdev->smc_fw);
2613                 rdev->smc_fw = NULL;
2614         }
2615         return err;
2616 }
2617
2618 u32 r600_gfx_get_rptr(struct radeon_device *rdev,
2619                       struct radeon_ring *ring)
2620 {
2621         u32 rptr;
2622
2623         if (rdev->wb.enabled)
2624                 rptr = rdev->wb.wb[ring->rptr_offs/4];
2625         else
2626                 rptr = RREG32(R600_CP_RB_RPTR);
2627
2628         return rptr;
2629 }
2630
2631 u32 r600_gfx_get_wptr(struct radeon_device *rdev,
2632                       struct radeon_ring *ring)
2633 {
2634         return RREG32(R600_CP_RB_WPTR);
2635 }
2636
2637 void r600_gfx_set_wptr(struct radeon_device *rdev,
2638                        struct radeon_ring *ring)
2639 {
2640         WREG32(R600_CP_RB_WPTR, ring->wptr);
2641         (void)RREG32(R600_CP_RB_WPTR);
2642 }
2643
2644 static int r600_cp_load_microcode(struct radeon_device *rdev)
2645 {
2646         const __be32 *fw_data;
2647         int i;
2648
2649         if (!rdev->me_fw || !rdev->pfp_fw)
2650                 return -EINVAL;
2651
2652         r600_cp_stop(rdev);
2653
2654         WREG32(CP_RB_CNTL,
2655 #ifdef __BIG_ENDIAN
2656                BUF_SWAP_32BIT |
2657 #endif
2658                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2659
2660         /* Reset cp */
2661         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2662         RREG32(GRBM_SOFT_RESET);
2663         mdelay(15);
2664         WREG32(GRBM_SOFT_RESET, 0);
2665
2666         WREG32(CP_ME_RAM_WADDR, 0);
2667
2668         fw_data = (const __be32 *)rdev->me_fw->data;
2669         WREG32(CP_ME_RAM_WADDR, 0);
2670         for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
2671                 WREG32(CP_ME_RAM_DATA,
2672                        be32_to_cpup(fw_data++));
2673
2674         fw_data = (const __be32 *)rdev->pfp_fw->data;
2675         WREG32(CP_PFP_UCODE_ADDR, 0);
2676         for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
2677                 WREG32(CP_PFP_UCODE_DATA,
2678                        be32_to_cpup(fw_data++));
2679
2680         WREG32(CP_PFP_UCODE_ADDR, 0);
2681         WREG32(CP_ME_RAM_WADDR, 0);
2682         WREG32(CP_ME_RAM_RADDR, 0);
2683         return 0;
2684 }
2685
2686 int r600_cp_start(struct radeon_device *rdev)
2687 {
2688         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2689         int r;
2690         uint32_t cp_me;
2691
2692         r = radeon_ring_lock(rdev, ring, 7);
2693         if (r) {
2694                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2695                 return r;
2696         }
2697         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2698         radeon_ring_write(ring, 0x1);
2699         if (rdev->family >= CHIP_RV770) {
2700                 radeon_ring_write(ring, 0x0);
2701                 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2702         } else {
2703                 radeon_ring_write(ring, 0x3);
2704                 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2705         }
2706         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2707         radeon_ring_write(ring, 0);
2708         radeon_ring_write(ring, 0);
2709         radeon_ring_unlock_commit(rdev, ring, false);
2710
2711         cp_me = 0xff;
2712         WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2713         return 0;
2714 }
2715
2716 int r600_cp_resume(struct radeon_device *rdev)
2717 {
2718         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2719         u32 tmp;
2720         u32 rb_bufsz;
2721         int r;
2722
2723         /* Reset cp */
2724         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2725         RREG32(GRBM_SOFT_RESET);
2726         mdelay(15);
2727         WREG32(GRBM_SOFT_RESET, 0);
2728
2729         /* Set ring buffer size */
2730         rb_bufsz = order_base_2(ring->ring_size / 8);
2731         tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2732 #ifdef __BIG_ENDIAN
2733         tmp |= BUF_SWAP_32BIT;
2734 #endif
2735         WREG32(CP_RB_CNTL, tmp);
2736         WREG32(CP_SEM_WAIT_TIMER, 0x0);
2737
2738         /* Set the write pointer delay */
2739         WREG32(CP_RB_WPTR_DELAY, 0);
2740
2741         /* Initialize the ring buffer's read and write pointers */
2742         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2743         WREG32(CP_RB_RPTR_WR, 0);
2744         ring->wptr = 0;
2745         WREG32(CP_RB_WPTR, ring->wptr);
2746
2747         /* set the wb address whether it's enabled or not */
2748         WREG32(CP_RB_RPTR_ADDR,
2749                ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2750         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2751         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2752
2753         if (rdev->wb.enabled)
2754                 WREG32(SCRATCH_UMSK, 0xff);
2755         else {
2756                 tmp |= RB_NO_UPDATE;
2757                 WREG32(SCRATCH_UMSK, 0);
2758         }
2759
2760         mdelay(1);
2761         WREG32(CP_RB_CNTL, tmp);
2762
2763         WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2764         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2765
2766         r600_cp_start(rdev);
2767         ring->ready = true;
2768         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2769         if (r) {
2770                 ring->ready = false;
2771                 return r;
2772         }
2773
2774         if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
2775                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2776
2777         return 0;
2778 }
2779
2780 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2781 {
2782         u32 rb_bufsz;
2783         int r;
2784
2785         /* Align ring size */
2786         rb_bufsz = order_base_2(ring_size / 8);
2787         ring_size = (1 << (rb_bufsz + 1)) * 4;
2788         ring->ring_size = ring_size;
2789         ring->align_mask = 16 - 1;
2790
2791         if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2792                 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2793                 if (r) {
2794                         DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2795                         ring->rptr_save_reg = 0;
2796                 }
2797         }
2798 }
2799
2800 void r600_cp_fini(struct radeon_device *rdev)
2801 {
2802         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2803         r600_cp_stop(rdev);
2804         radeon_ring_fini(rdev, ring);
2805         radeon_scratch_free(rdev, ring->rptr_save_reg);
2806 }
2807
2808 /*
2809  * GPU scratch registers helpers function.
2810  */
2811 void r600_scratch_init(struct radeon_device *rdev)
2812 {
2813         int i;
2814
2815         rdev->scratch.num_reg = 7;
2816         rdev->scratch.reg_base = SCRATCH_REG0;
2817         for (i = 0; i < rdev->scratch.num_reg; i++) {
2818                 rdev->scratch.free[i] = true;
2819                 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2820         }
2821 }
2822
2823 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2824 {
2825         uint32_t scratch;
2826         uint32_t tmp = 0;
2827         unsigned i;
2828         int r;
2829
2830         r = radeon_scratch_get(rdev, &scratch);
2831         if (r) {
2832                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2833                 return r;
2834         }
2835         WREG32(scratch, 0xCAFEDEAD);
2836         r = radeon_ring_lock(rdev, ring, 3);
2837         if (r) {
2838                 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2839                 radeon_scratch_free(rdev, scratch);
2840                 return r;
2841         }
2842         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2843         radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2844         radeon_ring_write(ring, 0xDEADBEEF);
2845         radeon_ring_unlock_commit(rdev, ring, false);
2846         for (i = 0; i < rdev->usec_timeout; i++) {
2847                 tmp = RREG32(scratch);
2848                 if (tmp == 0xDEADBEEF)
2849                         break;
2850                 DRM_UDELAY(1);
2851         }
2852         if (i < rdev->usec_timeout) {
2853                 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2854         } else {
2855                 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2856                           ring->idx, scratch, tmp);
2857                 r = -EINVAL;
2858         }
2859         radeon_scratch_free(rdev, scratch);
2860         return r;
2861 }
2862
2863 /*
2864  * CP fences/semaphores
2865  */
2866
2867 void r600_fence_ring_emit(struct radeon_device *rdev,
2868                           struct radeon_fence *fence)
2869 {
2870         struct radeon_ring *ring = &rdev->ring[fence->ring];
2871         u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA |
2872                 PACKET3_SH_ACTION_ENA;
2873
2874         if (rdev->family >= CHIP_RV770)
2875                 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA;
2876
2877         if (rdev->wb.use_event) {
2878                 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2879                 /* flush read cache over gart */
2880                 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2881                 radeon_ring_write(ring, cp_coher_cntl);
2882                 radeon_ring_write(ring, 0xFFFFFFFF);
2883                 radeon_ring_write(ring, 0);
2884                 radeon_ring_write(ring, 10); /* poll interval */
2885                 /* EVENT_WRITE_EOP - flush caches, send int */
2886                 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2887                 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2888                 radeon_ring_write(ring, lower_32_bits(addr));
2889                 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2890                 radeon_ring_write(ring, fence->seq);
2891                 radeon_ring_write(ring, 0);
2892         } else {
2893                 /* flush read cache over gart */
2894                 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2895                 radeon_ring_write(ring, cp_coher_cntl);
2896                 radeon_ring_write(ring, 0xFFFFFFFF);
2897                 radeon_ring_write(ring, 0);
2898                 radeon_ring_write(ring, 10); /* poll interval */
2899                 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2900                 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2901                 /* wait for 3D idle clean */
2902                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2903                 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2904                 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2905                 /* Emit fence sequence & fire IRQ */
2906                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2907                 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2908                 radeon_ring_write(ring, fence->seq);
2909                 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2910                 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2911                 radeon_ring_write(ring, RB_INT_STAT);
2912         }
2913 }
2914
2915 /**
2916  * r600_semaphore_ring_emit - emit a semaphore on the CP ring
2917  *
2918  * @rdev: radeon_device pointer
2919  * @ring: radeon ring buffer object
2920  * @semaphore: radeon semaphore object
2921  * @emit_wait: Is this a sempahore wait?
2922  *
2923  * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
2924  * from running ahead of semaphore waits.
2925  */
2926 bool r600_semaphore_ring_emit(struct radeon_device *rdev,
2927                               struct radeon_ring *ring,
2928                               struct radeon_semaphore *semaphore,
2929                               bool emit_wait)
2930 {
2931         uint64_t addr = semaphore->gpu_addr;
2932         unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
2933
2934         if (rdev->family < CHIP_CAYMAN)
2935                 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
2936
2937         radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
2938         radeon_ring_write(ring, lower_32_bits(addr));
2939         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
2940
2941         /* PFP_SYNC_ME packet only exists on 7xx+, only enable it on eg+ */
2942         if (emit_wait && (rdev->family >= CHIP_CEDAR)) {
2943                 /* Prevent the PFP from running ahead of the semaphore wait */
2944                 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2945                 radeon_ring_write(ring, 0x0);
2946         }
2947
2948         return true;
2949 }
2950
2951 /**
2952  * r600_copy_cpdma - copy pages using the CP DMA engine
2953  *
2954  * @rdev: radeon_device pointer
2955  * @src_offset: src GPU address
2956  * @dst_offset: dst GPU address
2957  * @num_gpu_pages: number of GPU pages to xfer
2958  * @fence: radeon fence object
2959  *
2960  * Copy GPU paging using the CP DMA engine (r6xx+).
2961  * Used by the radeon ttm implementation to move pages if
2962  * registered as the asic copy callback.
2963  */
2964 struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
2965                                      uint64_t src_offset, uint64_t dst_offset,
2966                                      unsigned num_gpu_pages,
2967                                      struct reservation_object *resv)
2968 {
2969         struct radeon_fence *fence;
2970         struct radeon_sync sync;
2971         int ring_index = rdev->asic->copy.blit_ring_index;
2972         struct radeon_ring *ring = &rdev->ring[ring_index];
2973         u32 size_in_bytes, cur_size_in_bytes, tmp;
2974         int i, num_loops;
2975         int r = 0;
2976
2977         radeon_sync_create(&sync);
2978
2979         size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
2980         num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
2981         r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
2982         if (r) {
2983                 DRM_ERROR("radeon: moving bo (%d).\n", r);
2984                 radeon_sync_free(rdev, &sync, NULL);
2985                 return ERR_PTR(r);
2986         }
2987
2988         radeon_sync_resv(rdev, &sync, resv, false);
2989         radeon_sync_rings(rdev, &sync, ring->idx);
2990
2991         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2992         radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2993         radeon_ring_write(ring, WAIT_3D_IDLE_bit);
2994         for (i = 0; i < num_loops; i++) {
2995                 cur_size_in_bytes = size_in_bytes;
2996                 if (cur_size_in_bytes > 0x1fffff)
2997                         cur_size_in_bytes = 0x1fffff;
2998                 size_in_bytes -= cur_size_in_bytes;
2999                 tmp = upper_32_bits(src_offset) & 0xff;
3000                 if (size_in_bytes == 0)
3001                         tmp |= PACKET3_CP_DMA_CP_SYNC;
3002                 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
3003                 radeon_ring_write(ring, lower_32_bits(src_offset));
3004                 radeon_ring_write(ring, tmp);
3005                 radeon_ring_write(ring, lower_32_bits(dst_offset));
3006                 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
3007                 radeon_ring_write(ring, cur_size_in_bytes);
3008                 src_offset += cur_size_in_bytes;
3009                 dst_offset += cur_size_in_bytes;
3010         }
3011         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3012         radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3013         radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
3014
3015         r = radeon_fence_emit(rdev, &fence, ring->idx);
3016         if (r) {
3017                 radeon_ring_unlock_undo(rdev, ring);
3018                 radeon_sync_free(rdev, &sync, NULL);
3019                 return ERR_PTR(r);
3020         }
3021
3022         radeon_ring_unlock_commit(rdev, ring, false);
3023         radeon_sync_free(rdev, &sync, fence);
3024
3025         return fence;
3026 }
3027
3028 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
3029                          uint32_t tiling_flags, uint32_t pitch,
3030                          uint32_t offset, uint32_t obj_size)
3031 {
3032         /* FIXME: implement */
3033         return 0;
3034 }
3035
3036 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
3037 {
3038         /* FIXME: implement */
3039 }
3040
3041 static void r600_uvd_init(struct radeon_device *rdev)
3042 {
3043         int r;
3044
3045         if (!rdev->has_uvd)
3046                 return;
3047
3048         r = radeon_uvd_init(rdev);
3049         if (r) {
3050                 dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
3051                 /*
3052                  * At this point rdev->uvd.vcpu_bo is NULL which trickles down
3053                  * to early fails uvd_v1_0_resume() and thus nothing happens
3054                  * there. So it is pointless to try to go through that code
3055                  * hence why we disable uvd here.
3056                  */
3057                 rdev->has_uvd = 0;
3058                 return;
3059         }
3060         rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
3061         r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
3062 }
3063
3064 static void r600_uvd_start(struct radeon_device *rdev)
3065 {
3066         int r;
3067
3068         if (!rdev->has_uvd)
3069                 return;
3070
3071         r = uvd_v1_0_resume(rdev);
3072         if (r) {
3073                 dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
3074                 goto error;
3075         }
3076         r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
3077         if (r) {
3078                 dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
3079                 goto error;
3080         }
3081         return;
3082
3083 error:
3084         rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
3085 }
3086
3087 static void r600_uvd_resume(struct radeon_device *rdev)
3088 {
3089         struct radeon_ring *ring;
3090         int r;
3091
3092         if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
3093                 return;
3094
3095         ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
3096         r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
3097         if (r) {
3098                 dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
3099                 return;
3100         }
3101         r = uvd_v1_0_init(rdev);
3102         if (r) {
3103                 dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
3104                 return;
3105         }
3106 }
3107
3108 static int r600_startup(struct radeon_device *rdev)
3109 {
3110         struct radeon_ring *ring;
3111         int r;
3112
3113         /* enable pcie gen2 link */
3114         r600_pcie_gen2_enable(rdev);
3115
3116         /* scratch needs to be initialized before MC */
3117         r = r600_vram_scratch_init(rdev);
3118         if (r)
3119                 return r;
3120
3121         r600_mc_program(rdev);
3122
3123         if (rdev->flags & RADEON_IS_AGP) {
3124                 r600_agp_enable(rdev);
3125         } else {
3126                 r = r600_pcie_gart_enable(rdev);
3127                 if (r)
3128                         return r;
3129         }
3130         r600_gpu_init(rdev);
3131
3132         /* allocate wb buffer */
3133         r = radeon_wb_init(rdev);
3134         if (r)
3135                 return r;
3136
3137         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3138         if (r) {
3139                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3140                 return r;
3141         }
3142
3143         r600_uvd_start(rdev);
3144
3145         /* Enable IRQ */
3146         if (!rdev->irq.installed) {
3147                 r = radeon_irq_kms_init(rdev);
3148                 if (r)
3149                         return r;
3150         }
3151
3152         r = r600_irq_init(rdev);
3153         if (r) {
3154                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3155                 radeon_irq_kms_fini(rdev);
3156                 return r;
3157         }
3158         r600_irq_set(rdev);
3159
3160         ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3161         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3162                              RADEON_CP_PACKET2);
3163         if (r)
3164                 return r;
3165
3166         r = r600_cp_load_microcode(rdev);
3167         if (r)
3168                 return r;
3169         r = r600_cp_resume(rdev);
3170         if (r)
3171                 return r;
3172
3173         r600_uvd_resume(rdev);
3174
3175         r = radeon_ib_pool_init(rdev);
3176         if (r) {
3177                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3178                 return r;
3179         }
3180
3181         r = radeon_audio_init(rdev);
3182         if (r) {
3183                 DRM_ERROR("radeon: audio init failed\n");
3184                 return r;
3185         }
3186
3187         return 0;
3188 }
3189
3190 void r600_vga_set_state(struct radeon_device *rdev, bool state)
3191 {
3192         uint32_t temp;
3193
3194         temp = RREG32(CONFIG_CNTL);
3195         if (state == false) {
3196                 temp &= ~(1<<0);
3197                 temp |= (1<<1);
3198         } else {
3199                 temp &= ~(1<<1);
3200         }
3201         WREG32(CONFIG_CNTL, temp);
3202 }
3203
3204 int r600_resume(struct radeon_device *rdev)
3205 {
3206         int r;
3207
3208         /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
3209          * posting will perform necessary task to bring back GPU into good
3210          * shape.
3211          */
3212         /* post card */
3213         atom_asic_init(rdev->mode_info.atom_context);
3214
3215         if (rdev->pm.pm_method == PM_METHOD_DPM)
3216                 radeon_pm_resume(rdev);
3217
3218         rdev->accel_working = true;
3219         r = r600_startup(rdev);
3220         if (r) {
3221                 DRM_ERROR("r600 startup failed on resume\n");
3222                 rdev->accel_working = false;
3223                 return r;
3224         }
3225
3226         return r;
3227 }
3228
3229 int r600_suspend(struct radeon_device *rdev)
3230 {
3231         radeon_pm_suspend(rdev);
3232         radeon_audio_fini(rdev);
3233         r600_cp_stop(rdev);
3234         if (rdev->has_uvd) {
3235                 uvd_v1_0_fini(rdev);
3236                 radeon_uvd_suspend(rdev);
3237         }
3238         r600_irq_suspend(rdev);
3239         radeon_wb_disable(rdev);
3240         r600_pcie_gart_disable(rdev);
3241
3242         return 0;
3243 }
3244
3245 /* Plan is to move initialization in that function and use
3246  * helper function so that radeon_device_init pretty much
3247  * do nothing more than calling asic specific function. This
3248  * should also allow to remove a bunch of callback function
3249  * like vram_info.
3250  */
3251 int r600_init(struct radeon_device *rdev)
3252 {
3253         int r;
3254
3255         if (r600_debugfs_mc_info_init(rdev)) {
3256                 DRM_ERROR("Failed to register debugfs file for mc !\n");
3257         }
3258         /* Read BIOS */
3259         if (!radeon_get_bios(rdev)) {
3260                 if (ASIC_IS_AVIVO(rdev))
3261                         return -EINVAL;
3262         }
3263         /* Must be an ATOMBIOS */
3264         if (!rdev->is_atom_bios) {
3265                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3266                 return -EINVAL;
3267         }
3268         r = radeon_atombios_init(rdev);
3269         if (r)
3270                 return r;
3271         /* Post card if necessary */
3272         if (!radeon_card_posted(rdev)) {
3273                 if (!rdev->bios) {
3274                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3275                         return -EINVAL;
3276                 }
3277                 DRM_INFO("GPU not posted. posting now...\n");
3278                 atom_asic_init(rdev->mode_info.atom_context);
3279         }
3280         /* Initialize scratch registers */
3281         r600_scratch_init(rdev);
3282         /* Initialize surface registers */
3283         radeon_surface_init(rdev);
3284         /* Initialize clocks */
3285         radeon_get_clock_info(rdev->ddev);
3286         /* Fence driver */
3287         r = radeon_fence_driver_init(rdev);
3288         if (r)
3289                 return r;
3290         if (rdev->flags & RADEON_IS_AGP) {
3291                 r = radeon_agp_init(rdev);
3292                 if (r)
3293                         radeon_agp_disable(rdev);
3294         }
3295         r = r600_mc_init(rdev);
3296         if (r)
3297                 return r;
3298         /* Memory manager */
3299         r = radeon_bo_init(rdev);
3300         if (r)
3301                 return r;
3302
3303         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3304                 r = r600_init_microcode(rdev);
3305                 if (r) {
3306                         DRM_ERROR("Failed to load firmware!\n");
3307                         return r;
3308                 }
3309         }
3310
3311         /* Initialize power management */
3312         radeon_pm_init(rdev);
3313
3314         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3315         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3316
3317         r600_uvd_init(rdev);
3318
3319         rdev->ih.ring_obj = NULL;
3320         r600_ih_ring_init(rdev, 64 * 1024);
3321
3322         r = r600_pcie_gart_init(rdev);
3323         if (r)
3324                 return r;
3325
3326         rdev->accel_working = true;
3327         r = r600_startup(rdev);
3328         if (r) {
3329                 dev_err(rdev->dev, "disabling GPU acceleration\n");
3330                 r600_cp_fini(rdev);
3331                 r600_irq_fini(rdev);
3332                 radeon_wb_fini(rdev);
3333                 radeon_ib_pool_fini(rdev);
3334                 radeon_irq_kms_fini(rdev);
3335                 r600_pcie_gart_fini(rdev);
3336                 rdev->accel_working = false;
3337         }
3338
3339         return 0;
3340 }
3341
3342 void r600_fini(struct radeon_device *rdev)
3343 {
3344         radeon_pm_fini(rdev);
3345         radeon_audio_fini(rdev);
3346         r600_cp_fini(rdev);
3347         r600_irq_fini(rdev);
3348         if (rdev->has_uvd) {
3349                 uvd_v1_0_fini(rdev);
3350                 radeon_uvd_fini(rdev);
3351         }
3352         radeon_wb_fini(rdev);
3353         radeon_ib_pool_fini(rdev);
3354         radeon_irq_kms_fini(rdev);
3355         r600_pcie_gart_fini(rdev);
3356         r600_vram_scratch_fini(rdev);
3357         radeon_agp_fini(rdev);
3358         radeon_gem_fini(rdev);
3359         radeon_fence_driver_fini(rdev);
3360         radeon_bo_fini(rdev);
3361         radeon_atombios_fini(rdev);
3362         kfree(rdev->bios);
3363         rdev->bios = NULL;
3364 }
3365
3366
3367 /*
3368  * CS stuff
3369  */
3370 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3371 {
3372         struct radeon_ring *ring = &rdev->ring[ib->ring];
3373         u32 next_rptr;
3374
3375         if (ring->rptr_save_reg) {
3376                 next_rptr = ring->wptr + 3 + 4;
3377                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3378                 radeon_ring_write(ring, ((ring->rptr_save_reg -
3379                                          PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3380                 radeon_ring_write(ring, next_rptr);
3381         } else if (rdev->wb.enabled) {
3382                 next_rptr = ring->wptr + 5 + 4;
3383                 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3384                 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3385                 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3386                 radeon_ring_write(ring, next_rptr);
3387                 radeon_ring_write(ring, 0);
3388         }
3389
3390         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3391         radeon_ring_write(ring,
3392 #ifdef __BIG_ENDIAN
3393                           (2 << 0) |
3394 #endif
3395                           (ib->gpu_addr & 0xFFFFFFFC));
3396         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3397         radeon_ring_write(ring, ib->length_dw);
3398 }
3399
3400 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3401 {
3402         struct radeon_ib ib;
3403         uint32_t scratch;
3404         uint32_t tmp = 0;
3405         unsigned i;
3406         int r;
3407
3408         r = radeon_scratch_get(rdev, &scratch);
3409         if (r) {
3410                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3411                 return r;
3412         }
3413         WREG32(scratch, 0xCAFEDEAD);
3414         r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3415         if (r) {
3416                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3417                 goto free_scratch;
3418         }
3419         ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3420         ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3421         ib.ptr[2] = 0xDEADBEEF;
3422         ib.length_dw = 3;
3423         r = radeon_ib_schedule(rdev, &ib, NULL, false);
3424         if (r) {
3425                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3426                 goto free_ib;
3427         }
3428         r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3429                 RADEON_USEC_IB_TEST_TIMEOUT));
3430         if (r < 0) {
3431                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3432                 goto free_ib;
3433         } else if (r == 0) {
3434                 DRM_ERROR("radeon: fence wait timed out.\n");
3435                 r = -ETIMEDOUT;
3436                 goto free_ib;
3437         }
3438         r = 0;
3439         for (i = 0; i < rdev->usec_timeout; i++) {
3440                 tmp = RREG32(scratch);
3441                 if (tmp == 0xDEADBEEF)
3442                         break;
3443                 DRM_UDELAY(1);
3444         }
3445         if (i < rdev->usec_timeout) {
3446                 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3447         } else {
3448                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3449                           scratch, tmp);
3450                 r = -EINVAL;
3451         }
3452 free_ib:
3453         radeon_ib_free(rdev, &ib);
3454 free_scratch:
3455         radeon_scratch_free(rdev, scratch);
3456         return r;
3457 }
3458
3459 /*
3460  * Interrupts
3461  *
3462  * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
3463  * the same as the CP ring buffer, but in reverse.  Rather than the CPU
3464  * writing to the ring and the GPU consuming, the GPU writes to the ring
3465  * and host consumes.  As the host irq handler processes interrupts, it
3466  * increments the rptr.  When the rptr catches up with the wptr, all the
3467  * current interrupts have been processed.
3468  */
3469
3470 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3471 {
3472         u32 rb_bufsz;
3473
3474         /* Align ring size */
3475         rb_bufsz = order_base_2(ring_size / 4);
3476         ring_size = (1 << rb_bufsz) * 4;
3477         rdev->ih.ring_size = ring_size;
3478         rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3479         rdev->ih.rptr = 0;
3480 }
3481
3482 int r600_ih_ring_alloc(struct radeon_device *rdev)
3483 {
3484         int r;
3485
3486         /* Allocate ring buffer */
3487         if (rdev->ih.ring_obj == NULL) {
3488                 r = radeon_bo_create(rdev, rdev->ih.ring_size,
3489                                      PAGE_SIZE, true,
3490                                      RADEON_GEM_DOMAIN_GTT, 0,
3491                                      NULL, NULL, &rdev->ih.ring_obj);
3492                 if (r) {
3493                         DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3494                         return r;
3495                 }
3496                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3497                 if (unlikely(r != 0))
3498                         return r;
3499                 r = radeon_bo_pin(rdev->ih.ring_obj,
3500                                   RADEON_GEM_DOMAIN_GTT,
3501                                   &rdev->ih.gpu_addr);
3502                 if (r) {
3503                         radeon_bo_unreserve(rdev->ih.ring_obj);
3504                         DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3505                         return r;
3506                 }
3507                 r = radeon_bo_kmap(rdev->ih.ring_obj,
3508                                    (void **)&rdev->ih.ring);
3509                 radeon_bo_unreserve(rdev->ih.ring_obj);
3510                 if (r) {
3511                         DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3512                         return r;
3513                 }
3514         }
3515         return 0;
3516 }
3517
3518 void r600_ih_ring_fini(struct radeon_device *rdev)
3519 {
3520         int r;
3521         if (rdev->ih.ring_obj) {
3522                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3523                 if (likely(r == 0)) {
3524                         radeon_bo_kunmap(rdev->ih.ring_obj);
3525                         radeon_bo_unpin(rdev->ih.ring_obj);
3526                         radeon_bo_unreserve(rdev->ih.ring_obj);
3527                 }
3528                 radeon_bo_unref(&rdev->ih.ring_obj);
3529                 rdev->ih.ring = NULL;
3530                 rdev->ih.ring_obj = NULL;
3531         }
3532 }
3533
3534 void r600_rlc_stop(struct radeon_device *rdev)
3535 {
3536
3537         if ((rdev->family >= CHIP_RV770) &&
3538             (rdev->family <= CHIP_RV740)) {
3539                 /* r7xx asics need to soft reset RLC before halting */
3540                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3541                 RREG32(SRBM_SOFT_RESET);
3542                 mdelay(15);
3543                 WREG32(SRBM_SOFT_RESET, 0);
3544                 RREG32(SRBM_SOFT_RESET);
3545         }
3546
3547         WREG32(RLC_CNTL, 0);
3548 }
3549
3550 static void r600_rlc_start(struct radeon_device *rdev)
3551 {
3552         WREG32(RLC_CNTL, RLC_ENABLE);
3553 }
3554
3555 static int r600_rlc_resume(struct radeon_device *rdev)
3556 {
3557         u32 i;
3558         const __be32 *fw_data;
3559
3560         if (!rdev->rlc_fw)
3561                 return -EINVAL;
3562
3563         r600_rlc_stop(rdev);
3564
3565         WREG32(RLC_HB_CNTL, 0);
3566
3567         WREG32(RLC_HB_BASE, 0);
3568         WREG32(RLC_HB_RPTR, 0);
3569         WREG32(RLC_HB_WPTR, 0);
3570         WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3571         WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
3572         WREG32(RLC_MC_CNTL, 0);
3573         WREG32(RLC_UCODE_CNTL, 0);
3574
3575         fw_data = (const __be32 *)rdev->rlc_fw->data;
3576         if (rdev->family >= CHIP_RV770) {
3577                 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3578                         WREG32(RLC_UCODE_ADDR, i);
3579                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3580                 }
3581         } else {
3582                 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
3583                         WREG32(RLC_UCODE_ADDR, i);
3584                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3585                 }
3586         }
3587         WREG32(RLC_UCODE_ADDR, 0);
3588
3589         r600_rlc_start(rdev);
3590
3591         return 0;
3592 }
3593
3594 static void r600_enable_interrupts(struct radeon_device *rdev)
3595 {
3596         u32 ih_cntl = RREG32(IH_CNTL);
3597         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3598
3599         ih_cntl |= ENABLE_INTR;
3600         ih_rb_cntl |= IH_RB_ENABLE;
3601         WREG32(IH_CNTL, ih_cntl);
3602         WREG32(IH_RB_CNTL, ih_rb_cntl);
3603         rdev->ih.enabled = true;
3604 }
3605
3606 void r600_disable_interrupts(struct radeon_device *rdev)
3607 {
3608         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3609         u32 ih_cntl = RREG32(IH_CNTL);
3610
3611         ih_rb_cntl &= ~IH_RB_ENABLE;
3612         ih_cntl &= ~ENABLE_INTR;
3613         WREG32(IH_RB_CNTL, ih_rb_cntl);
3614         WREG32(IH_CNTL, ih_cntl);
3615         /* set rptr, wptr to 0 */
3616         WREG32(IH_RB_RPTR, 0);
3617         WREG32(IH_RB_WPTR, 0);
3618         rdev->ih.enabled = false;
3619         rdev->ih.rptr = 0;
3620 }
3621
3622 static void r600_disable_interrupt_state(struct radeon_device *rdev)
3623 {
3624         u32 tmp;
3625
3626         WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3627         tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3628         WREG32(DMA_CNTL, tmp);
3629         WREG32(GRBM_INT_CNTL, 0);
3630         WREG32(DxMODE_INT_MASK, 0);
3631         WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3632         WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3633         if (ASIC_IS_DCE3(rdev)) {
3634                 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3635                 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3636                 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3637                 WREG32(DC_HPD1_INT_CONTROL, tmp);
3638                 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3639                 WREG32(DC_HPD2_INT_CONTROL, tmp);
3640                 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3641                 WREG32(DC_HPD3_INT_CONTROL, tmp);
3642                 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3643                 WREG32(DC_HPD4_INT_CONTROL, tmp);
3644                 if (ASIC_IS_DCE32(rdev)) {
3645                         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3646                         WREG32(DC_HPD5_INT_CONTROL, tmp);
3647                         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3648                         WREG32(DC_HPD6_INT_CONTROL, tmp);
3649                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3650                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3651                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3652                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3653                 } else {
3654                         tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3655                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3656                         tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3657                         WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3658                 }
3659         } else {
3660                 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
3661                 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
3662                 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3663                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3664                 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3665                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3666                 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3667                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3668                 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3669                 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3670                 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3671                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3672         }
3673 }
3674
3675 int r600_irq_init(struct radeon_device *rdev)
3676 {
3677         int ret = 0;
3678         int rb_bufsz;
3679         u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
3680
3681         /* allocate ring */
3682         ret = r600_ih_ring_alloc(rdev);
3683         if (ret)
3684                 return ret;
3685
3686         /* disable irqs */
3687         r600_disable_interrupts(rdev);
3688
3689         /* init rlc */
3690         if (rdev->family >= CHIP_CEDAR)
3691                 ret = evergreen_rlc_resume(rdev);
3692         else
3693                 ret = r600_rlc_resume(rdev);
3694         if (ret) {
3695                 r600_ih_ring_fini(rdev);
3696                 return ret;
3697         }
3698
3699         /* setup interrupt control */
3700         /* set dummy read address to ring address */
3701         WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
3702         interrupt_cntl = RREG32(INTERRUPT_CNTL);
3703         /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
3704          * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
3705          */
3706         interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
3707         /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
3708         interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
3709         WREG32(INTERRUPT_CNTL, interrupt_cntl);
3710
3711         WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
3712         rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
3713
3714         ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
3715                       IH_WPTR_OVERFLOW_CLEAR |
3716                       (rb_bufsz << 1));
3717
3718         if (rdev->wb.enabled)
3719                 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
3720
3721         /* set the writeback address whether it's enabled or not */
3722         WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3723         WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3724
3725         WREG32(IH_RB_CNTL, ih_rb_cntl);
3726
3727         /* set rptr, wptr to 0 */
3728         WREG32(IH_RB_RPTR, 0);
3729         WREG32(IH_RB_WPTR, 0);
3730
3731         /* Default settings for IH_CNTL (disabled at first) */
3732         ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3733         /* RPTR_REARM only works if msi's are enabled */
3734         if (rdev->msi_enabled)
3735                 ih_cntl |= RPTR_REARM;
3736         WREG32(IH_CNTL, ih_cntl);
3737
3738         /* force the active interrupt state to all disabled */
3739         if (rdev->family >= CHIP_CEDAR)
3740                 evergreen_disable_interrupt_state(rdev);
3741         else
3742                 r600_disable_interrupt_state(rdev);
3743
3744         /* at this point everything should be setup correctly to enable master */
3745         pci_set_master(rdev->pdev);
3746
3747         /* enable irqs */
3748         r600_enable_interrupts(rdev);
3749
3750         return ret;
3751 }
3752
3753 void r600_irq_suspend(struct radeon_device *rdev)
3754 {
3755         r600_irq_disable(rdev);
3756         r600_rlc_stop(rdev);
3757 }
3758
3759 void r600_irq_fini(struct radeon_device *rdev)
3760 {
3761         r600_irq_suspend(rdev);
3762         r600_ih_ring_fini(rdev);
3763 }
3764
3765 int r600_irq_set(struct radeon_device *rdev)
3766 {
3767         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3768         u32 mode_int = 0;
3769         u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3770         u32 grbm_int_cntl = 0;
3771         u32 hdmi0, hdmi1;
3772         u32 dma_cntl;
3773         u32 thermal_int = 0;
3774
3775         if (!rdev->irq.installed) {
3776                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3777                 return -EINVAL;
3778         }
3779         /* don't enable anything if the ih is disabled */
3780         if (!rdev->ih.enabled) {
3781                 r600_disable_interrupts(rdev);
3782                 /* force the active interrupt state to all disabled */
3783                 r600_disable_interrupt_state(rdev);
3784                 return 0;
3785         }
3786
3787         if (ASIC_IS_DCE3(rdev)) {
3788                 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3789                 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3790                 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3791                 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3792                 if (ASIC_IS_DCE32(rdev)) {
3793                         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3794                         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3795                         hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3796                         hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
3797                 } else {
3798                         hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3799                         hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3800                 }
3801         } else {
3802                 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3803                 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3804                 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3805                 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3806                 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3807         }
3808
3809         dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3810
3811         if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3812                 thermal_int = RREG32(CG_THERMAL_INT) &
3813                         ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3814         } else if (rdev->family >= CHIP_RV770) {
3815                 thermal_int = RREG32(RV770_CG_THERMAL_INT) &
3816                         ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
3817         }
3818         if (rdev->irq.dpm_thermal) {
3819                 DRM_DEBUG("dpm thermal\n");
3820                 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
3821         }
3822
3823         if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
3824                 DRM_DEBUG("r600_irq_set: sw int\n");
3825                 cp_int_cntl |= RB_INT_ENABLE;
3826                 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3827         }
3828
3829         if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
3830                 DRM_DEBUG("r600_irq_set: sw int dma\n");
3831                 dma_cntl |= TRAP_ENABLE;
3832         }
3833
3834         if (rdev->irq.crtc_vblank_int[0] ||
3835             atomic_read(&rdev->irq.pflip[0])) {
3836                 DRM_DEBUG("r600_irq_set: vblank 0\n");
3837                 mode_int |= D1MODE_VBLANK_INT_MASK;
3838         }
3839         if (rdev->irq.crtc_vblank_int[1] ||
3840             atomic_read(&rdev->irq.pflip[1])) {
3841                 DRM_DEBUG("r600_irq_set: vblank 1\n");
3842                 mode_int |= D2MODE_VBLANK_INT_MASK;
3843         }
3844         if (rdev->irq.hpd[0]) {
3845                 DRM_DEBUG("r600_irq_set: hpd 1\n");
3846                 hpd1 |= DC_HPDx_INT_EN;
3847         }
3848         if (rdev->irq.hpd[1]) {
3849                 DRM_DEBUG("r600_irq_set: hpd 2\n");
3850                 hpd2 |= DC_HPDx_INT_EN;
3851         }
3852         if (rdev->irq.hpd[2]) {
3853                 DRM_DEBUG("r600_irq_set: hpd 3\n");
3854                 hpd3 |= DC_HPDx_INT_EN;
3855         }
3856         if (rdev->irq.hpd[3]) {
3857                 DRM_DEBUG("r600_irq_set: hpd 4\n");
3858                 hpd4 |= DC_HPDx_INT_EN;
3859         }
3860         if (rdev->irq.hpd[4]) {
3861                 DRM_DEBUG("r600_irq_set: hpd 5\n");
3862                 hpd5 |= DC_HPDx_INT_EN;
3863         }
3864         if (rdev->irq.hpd[5]) {
3865                 DRM_DEBUG("r600_irq_set: hpd 6\n");
3866                 hpd6 |= DC_HPDx_INT_EN;
3867         }
3868         if (rdev->irq.afmt[0]) {
3869                 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3870                 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3871         }
3872         if (rdev->irq.afmt[1]) {
3873                 DRM_DEBUG("r600_irq_set: hdmi 0\n");
3874                 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
3875         }
3876
3877         WREG32(CP_INT_CNTL, cp_int_cntl);
3878         WREG32(DMA_CNTL, dma_cntl);
3879         WREG32(DxMODE_INT_MASK, mode_int);
3880         WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3881         WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);
3882         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3883         if (ASIC_IS_DCE3(rdev)) {
3884                 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3885                 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3886                 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3887                 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3888                 if (ASIC_IS_DCE32(rdev)) {
3889                         WREG32(DC_HPD5_INT_CONTROL, hpd5);
3890                         WREG32(DC_HPD6_INT_CONTROL, hpd6);
3891                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
3892                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
3893                 } else {
3894                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3895                         WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3896                 }
3897         } else {
3898                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3899                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3900                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3901                 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
3902                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
3903         }
3904         if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
3905                 WREG32(CG_THERMAL_INT, thermal_int);
3906         } else if (rdev->family >= CHIP_RV770) {
3907                 WREG32(RV770_CG_THERMAL_INT, thermal_int);
3908         }
3909
3910         /* posting read */
3911         RREG32(R_000E50_SRBM_STATUS);
3912
3913         return 0;
3914 }
3915
3916 static void r600_irq_ack(struct radeon_device *rdev)
3917 {
3918         u32 tmp;
3919
3920         if (ASIC_IS_DCE3(rdev)) {
3921                 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3922                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3923                 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3924                 if (ASIC_IS_DCE32(rdev)) {
3925                         rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
3926                         rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
3927                 } else {
3928                         rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3929                         rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
3930                 }
3931         } else {
3932                 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3933                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3934                 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3935                 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
3936                 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
3937         }
3938         rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3939         rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3940
3941         if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3942                 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3943         if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3944                 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3945         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3946                 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3947         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3948                 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3949         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3950                 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3951         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3952                 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3953         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3954                 if (ASIC_IS_DCE3(rdev)) {
3955                         tmp = RREG32(DC_HPD1_INT_CONTROL);
3956                         tmp |= DC_HPDx_INT_ACK;
3957                         WREG32(DC_HPD1_INT_CONTROL, tmp);
3958                 } else {
3959                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3960                         tmp |= DC_HPDx_INT_ACK;
3961                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3962                 }
3963         }
3964         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3965                 if (ASIC_IS_DCE3(rdev)) {
3966                         tmp = RREG32(DC_HPD2_INT_CONTROL);
3967                         tmp |= DC_HPDx_INT_ACK;
3968                         WREG32(DC_HPD2_INT_CONTROL, tmp);
3969                 } else {
3970                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3971                         tmp |= DC_HPDx_INT_ACK;
3972                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3973                 }
3974         }
3975         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3976                 if (ASIC_IS_DCE3(rdev)) {
3977                         tmp = RREG32(DC_HPD3_INT_CONTROL);
3978                         tmp |= DC_HPDx_INT_ACK;
3979                         WREG32(DC_HPD3_INT_CONTROL, tmp);
3980                 } else {
3981                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3982                         tmp |= DC_HPDx_INT_ACK;
3983                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3984                 }
3985         }
3986         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3987                 tmp = RREG32(DC_HPD4_INT_CONTROL);
3988                 tmp |= DC_HPDx_INT_ACK;
3989                 WREG32(DC_HPD4_INT_CONTROL, tmp);
3990         }
3991         if (ASIC_IS_DCE32(rdev)) {
3992                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3993                         tmp = RREG32(DC_HPD5_INT_CONTROL);
3994                         tmp |= DC_HPDx_INT_ACK;
3995                         WREG32(DC_HPD5_INT_CONTROL, tmp);
3996                 }
3997                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3998                         tmp = RREG32(DC_HPD5_INT_CONTROL);
3999                         tmp |= DC_HPDx_INT_ACK;
4000                         WREG32(DC_HPD6_INT_CONTROL, tmp);
4001                 }
4002                 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
4003                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
4004                         tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4005                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
4006                 }
4007                 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
4008                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
4009                         tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4010                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
4011                 }
4012         } else {
4013                 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4014                         tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
4015                         tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4016                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
4017                 }
4018                 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4019                         if (ASIC_IS_DCE3(rdev)) {
4020                                 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
4021                                 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4022                                 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
4023                         } else {
4024                                 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
4025                                 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4026                                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
4027                         }
4028                 }
4029         }
4030 }
4031
4032 void r600_irq_disable(struct radeon_device *rdev)
4033 {
4034         r600_disable_interrupts(rdev);
4035         /* Wait and acknowledge irq */
4036         mdelay(1);
4037         r600_irq_ack(rdev);
4038         r600_disable_interrupt_state(rdev);
4039 }
4040
4041 static u32 r600_get_ih_wptr(struct radeon_device *rdev)
4042 {
4043         u32 wptr, tmp;
4044
4045         if (rdev->wb.enabled)
4046                 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4047         else
4048                 wptr = RREG32(IH_RB_WPTR);
4049
4050         if (wptr & RB_OVERFLOW) {
4051                 wptr &= ~RB_OVERFLOW;
4052                 /* When a ring buffer overflow happen start parsing interrupt
4053                  * from the last not overwritten vector (wptr + 16). Hopefully
4054                  * this should allow us to catchup.
4055                  */
4056                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4057                          wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4058                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4059                 tmp = RREG32(IH_RB_CNTL);
4060                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
4061                 WREG32(IH_RB_CNTL, tmp);
4062         }
4063         return (wptr & rdev->ih.ptr_mask);
4064 }
4065
4066 /*        r600 IV Ring
4067  * Each IV ring entry is 128 bits:
4068  * [7:0]    - interrupt source id
4069  * [31:8]   - reserved
4070  * [59:32]  - interrupt source data
4071  * [127:60]  - reserved
4072  *
4073  * The basic interrupt vector entries
4074  * are decoded as follows:
4075  * src_id  src_data  description
4076  *      1         0  D1 Vblank
4077  *      1         1  D1 Vline
4078  *      5         0  D2 Vblank
4079  *      5         1  D2 Vline
4080  *     19         0  FP Hot plug detection A
4081  *     19         1  FP Hot plug detection B
4082  *     19         2  DAC A auto-detection
4083  *     19         3  DAC B auto-detection
4084  *     21         4  HDMI block A
4085  *     21         5  HDMI block B
4086  *    176         -  CP_INT RB
4087  *    177         -  CP_INT IB1
4088  *    178         -  CP_INT IB2
4089  *    181         -  EOP Interrupt
4090  *    233         -  GUI Idle
4091  *
4092  * Note, these are based on r600 and may need to be
4093  * adjusted or added to on newer asics
4094  */
4095
4096 int r600_irq_process(struct radeon_device *rdev)
4097 {
4098         u32 wptr;
4099         u32 rptr;
4100         u32 src_id, src_data;
4101         u32 ring_index;
4102         bool queue_hotplug = false;
4103         bool queue_hdmi = false;
4104         bool queue_thermal = false;
4105
4106         if (!rdev->ih.enabled || rdev->shutdown)
4107                 return IRQ_NONE;
4108
4109         /* No MSIs, need a dummy read to flush PCI DMAs */
4110         if (!rdev->msi_enabled)
4111                 RREG32(IH_RB_WPTR);
4112
4113         wptr = r600_get_ih_wptr(rdev);
4114
4115 restart_ih:
4116         /* is somebody else already processing irqs? */
4117         if (atomic_xchg(&rdev->ih.lock, 1))
4118                 return IRQ_NONE;
4119
4120         rptr = rdev->ih.rptr;
4121         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4122
4123         /* Order reading of wptr vs. reading of IH ring data */
4124         rmb();
4125
4126         /* display interrupts */
4127         r600_irq_ack(rdev);
4128
4129         while (rptr != wptr) {
4130                 /* wptr/rptr are in bytes! */
4131                 ring_index = rptr / 4;
4132                 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4133                 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4134
4135                 switch (src_id) {
4136                 case 1: /* D1 vblank/vline */
4137                         switch (src_data) {
4138                         case 0: /* D1 vblank */
4139                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT))
4140                                         DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n");
4141
4142                                 if (rdev->irq.crtc_vblank_int[0]) {
4143                                         drm_handle_vblank(rdev->ddev, 0);
4144                                         rdev->pm.vblank_sync = true;
4145                                         wake_up(&rdev->irq.vblank_queue);
4146                                 }
4147                                 if (atomic_read(&rdev->irq.pflip[0]))
4148                                         radeon_crtc_handle_vblank(rdev, 0);
4149                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4150                                 DRM_DEBUG("IH: D1 vblank\n");
4151
4152                                 break;
4153                         case 1: /* D1 vline */
4154                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT))
4155                                     DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n");
4156
4157                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4158                                 DRM_DEBUG("IH: D1 vline\n");
4159
4160                                 break;
4161                         default:
4162                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4163                                 break;
4164                         }
4165                         break;
4166                 case 5: /* D2 vblank/vline */
4167                         switch (src_data) {
4168                         case 0: /* D2 vblank */
4169                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT))
4170                                         DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n");
4171
4172                                 if (rdev->irq.crtc_vblank_int[1]) {
4173                                         drm_handle_vblank(rdev->ddev, 1);
4174                                         rdev->pm.vblank_sync = true;
4175                                         wake_up(&rdev->irq.vblank_queue);
4176                                 }
4177                                 if (atomic_read(&rdev->irq.pflip[1]))
4178                                         radeon_crtc_handle_vblank(rdev, 1);
4179                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
4180                                 DRM_DEBUG("IH: D2 vblank\n");
4181
4182                                 break;
4183                         case 1: /* D1 vline */
4184                                 if (!(rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT))
4185                                         DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n");
4186
4187                                 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
4188                                 DRM_DEBUG("IH: D2 vline\n");
4189
4190                                 break;
4191                         default:
4192                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4193                                 break;
4194                         }
4195                         break;
4196                 case 9: /* D1 pflip */
4197                         DRM_DEBUG("IH: D1 flip\n");
4198                         if (radeon_use_pflipirq > 0)
4199                                 radeon_crtc_handle_flip(rdev, 0);
4200                         break;
4201                 case 11: /* D2 pflip */
4202                         DRM_DEBUG("IH: D2 flip\n");
4203                         if (radeon_use_pflipirq > 0)
4204                                 radeon_crtc_handle_flip(rdev, 1);
4205                         break;
4206                 case 19: /* HPD/DAC hotplug */
4207                         switch (src_data) {
4208                         case 0:
4209                                 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT))
4210                                         DRM_DEBUG("IH: HPD1 - IH event w/o asserted irq bit?\n");
4211
4212                                 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
4213                                 queue_hotplug = true;
4214                                 DRM_DEBUG("IH: HPD1\n");
4215                                 break;
4216                         case 1:
4217                                 if (!(rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT))
4218                                         DRM_DEBUG("IH: HPD2 - IH event w/o asserted irq bit?\n");
4219
4220                                 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
4221                                 queue_hotplug = true;
4222                                 DRM_DEBUG("IH: HPD2\n");
4223                                 break;
4224                         case 4:
4225                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT))
4226                                         DRM_DEBUG("IH: HPD3 - IH event w/o asserted irq bit?\n");
4227
4228                                 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
4229                                 queue_hotplug = true;
4230                                 DRM_DEBUG("IH: HPD3\n");
4231                                 break;
4232                         case 5:
4233                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT))
4234                                         DRM_DEBUG("IH: HPD4 - IH event w/o asserted irq bit?\n");
4235
4236                                 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
4237                                 queue_hotplug = true;
4238                                 DRM_DEBUG("IH: HPD4\n");
4239                                 break;
4240                         case 10:
4241                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT))
4242                                         DRM_DEBUG("IH: HPD5 - IH event w/o asserted irq bit?\n");
4243
4244                                 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
4245                                 queue_hotplug = true;
4246                                 DRM_DEBUG("IH: HPD5\n");
4247                                 break;
4248                         case 12:
4249                                 if (!(rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT))
4250                                         DRM_DEBUG("IH: HPD6 - IH event w/o asserted irq bit?\n");
4251
4252                                 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
4253                                 queue_hotplug = true;
4254                                 DRM_DEBUG("IH: HPD6\n");
4255
4256                                 break;
4257                         default:
4258                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4259                                 break;
4260                         }
4261                         break;
4262                 case 21: /* hdmi */
4263                         switch (src_data) {
4264                         case 4:
4265                                 if (!(rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG))
4266                                         DRM_DEBUG("IH: HDMI0 - IH event w/o asserted irq bit?\n");
4267
4268                                 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4269                                 queue_hdmi = true;
4270                                 DRM_DEBUG("IH: HDMI0\n");
4271
4272                                 break;
4273                         case 5:
4274                                 if (!(rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG))
4275                                         DRM_DEBUG("IH: HDMI1 - IH event w/o asserted irq bit?\n");
4276
4277                                 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4278                                 queue_hdmi = true;
4279                                 DRM_DEBUG("IH: HDMI1\n");
4280
4281                                 break;
4282                         default:
4283                                 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
4284                                 break;
4285                         }
4286                         break;
4287                 case 124: /* UVD */
4288                         DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4289                         radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4290                         break;
4291                 case 176: /* CP_INT in ring buffer */
4292                 case 177: /* CP_INT in IB1 */
4293                 case 178: /* CP_INT in IB2 */
4294                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4295                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4296                         break;
4297                 case 181: /* CP EOP event */
4298                         DRM_DEBUG("IH: CP EOP\n");
4299                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4300                         break;
4301                 case 224: /* DMA trap event */
4302                         DRM_DEBUG("IH: DMA trap\n");
4303                         radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4304                         break;
4305                 case 230: /* thermal low to high */
4306                         DRM_DEBUG("IH: thermal low to high\n");
4307                         rdev->pm.dpm.thermal.high_to_low = false;
4308                         queue_thermal = true;
4309                         break;
4310                 case 231: /* thermal high to low */
4311                         DRM_DEBUG("IH: thermal high to low\n");
4312                         rdev->pm.dpm.thermal.high_to_low = true;
4313                         queue_thermal = true;
4314                         break;
4315                 case 233: /* GUI IDLE */
4316                         DRM_DEBUG("IH: GUI idle\n");
4317                         break;
4318                 default:
4319                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4320                         break;
4321                 }
4322
4323                 /* wptr/rptr are in bytes! */
4324                 rptr += 16;
4325                 rptr &= rdev->ih.ptr_mask;
4326                 WREG32(IH_RB_RPTR, rptr);
4327         }
4328         if (queue_hotplug)
4329                 schedule_delayed_work(&rdev->hotplug_work, 0);
4330         if (queue_hdmi)
4331                 schedule_work(&rdev->audio_work);
4332         if (queue_thermal && rdev->pm.dpm_enabled)
4333                 schedule_work(&rdev->pm.dpm.thermal.work);
4334         rdev->ih.rptr = rptr;
4335         atomic_set(&rdev->ih.lock, 0);
4336
4337         /* make sure wptr hasn't changed while processing */
4338         wptr = r600_get_ih_wptr(rdev);
4339         if (wptr != rptr)
4340                 goto restart_ih;
4341
4342         return IRQ_HANDLED;
4343 }
4344
4345 /*
4346  * Debugfs info
4347  */
4348 #if defined(CONFIG_DEBUG_FS)
4349
4350 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4351 {
4352         struct drm_info_node *node = (struct drm_info_node *) m->private;
4353         struct drm_device *dev = node->minor->dev;
4354         struct radeon_device *rdev = dev->dev_private;
4355
4356         DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4357         DREG32_SYS(m, rdev, VM_L2_STATUS);
4358         return 0;
4359 }
4360
4361 static struct drm_info_list r600_mc_info_list[] = {
4362         {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
4363 };
4364 #endif
4365
4366 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4367 {
4368 #if defined(CONFIG_DEBUG_FS)
4369         return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4370 #else
4371         return 0;
4372 #endif
4373 }
4374
4375 /**
4376  * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO
4377  * rdev: radeon device structure
4378  *
4379  * Some R6XX/R7XX don't seem to take into account HDP flushes performed
4380  * through the ring buffer. This leads to corruption in rendering, see
4381  * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we
4382  * directly perform the HDP flush by writing the register through MMIO.
4383  */
4384 void r600_mmio_hdp_flush(struct radeon_device *rdev)
4385 {
4386         /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
4387          * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4388          * This seems to cause problems on some AGP cards. Just use the old
4389          * method for them.
4390          */
4391         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4392             rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4393                 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
4394                 u32 tmp;
4395
4396                 WREG32(HDP_DEBUG1, 0);
4397                 tmp = readl((void __iomem *)ptr);
4398         } else
4399                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4400 }
4401
4402 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4403 {
4404         u32 link_width_cntl, mask;
4405
4406         if (rdev->flags & RADEON_IS_IGP)
4407                 return;
4408
4409         if (!(rdev->flags & RADEON_IS_PCIE))
4410                 return;
4411
4412         /* x2 cards have a special sequence */
4413         if (ASIC_IS_X2(rdev))
4414                 return;
4415
4416         radeon_gui_idle(rdev);
4417
4418         switch (lanes) {
4419         case 0:
4420                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4421                 break;
4422         case 1:
4423                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4424                 break;
4425         case 2:
4426                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4427                 break;
4428         case 4:
4429                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4430                 break;
4431         case 8:
4432                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4433                 break;
4434         case 12:
4435                 /* not actually supported */
4436                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4437                 break;
4438         case 16:
4439                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4440                 break;
4441         default:
4442                 DRM_ERROR("invalid pcie lane request: %d\n", lanes);
4443                 return;
4444         }
4445
4446         link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4447         link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4448         link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4449         link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4450                             R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
4451
4452         WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4453 }
4454
4455 int r600_get_pcie_lanes(struct radeon_device *rdev)
4456 {
4457         u32 link_width_cntl;
4458
4459         if (rdev->flags & RADEON_IS_IGP)
4460                 return 0;
4461
4462         if (!(rdev->flags & RADEON_IS_PCIE))
4463                 return 0;
4464
4465         /* x2 cards have a special sequence */
4466         if (ASIC_IS_X2(rdev))
4467                 return 0;
4468
4469         radeon_gui_idle(rdev);
4470
4471         link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4472
4473         switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
4474         case RADEON_PCIE_LC_LINK_WIDTH_X1:
4475                 return 1;
4476         case RADEON_PCIE_LC_LINK_WIDTH_X2:
4477                 return 2;
4478         case RADEON_PCIE_LC_LINK_WIDTH_X4:
4479                 return 4;
4480         case RADEON_PCIE_LC_LINK_WIDTH_X8:
4481                 return 8;
4482         case RADEON_PCIE_LC_LINK_WIDTH_X12:
4483                 /* not actually supported */
4484                 return 12;
4485         case RADEON_PCIE_LC_LINK_WIDTH_X0:
4486         case RADEON_PCIE_LC_LINK_WIDTH_X16:
4487         default:
4488                 return 16;
4489         }
4490 }
4491
4492 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4493 {
4494         u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4495         u16 link_cntl2;
4496
4497         if (radeon_pcie_gen2 == 0)
4498                 return;
4499
4500         if (rdev->flags & RADEON_IS_IGP)
4501                 return;
4502
4503         if (!(rdev->flags & RADEON_IS_PCIE))
4504                 return;
4505
4506         /* x2 cards have a special sequence */
4507         if (ASIC_IS_X2(rdev))
4508                 return;
4509
4510         /* only RV6xx+ chips are supported */
4511         if (rdev->family <= CHIP_R600)
4512                 return;
4513
4514         if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
4515                 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
4516                 return;
4517
4518         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4519         if (speed_cntl & LC_CURRENT_DATA_RATE) {
4520                 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4521                 return;
4522         }
4523
4524         DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4525
4526         /* 55 nm r6xx asics */
4527         if ((rdev->family == CHIP_RV670) ||
4528             (rdev->family == CHIP_RV620) ||
4529             (rdev->family == CHIP_RV635)) {
4530                 /* advertise upconfig capability */
4531                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4532                 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4533                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4534                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4535                 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4536                         lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4537                         link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4538                                              LC_RECONFIG_ARC_MISSING_ESCAPE);
4539                         link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4540                         WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4541                 } else {
4542                         link_width_cntl |= LC_UPCONFIGURE_DIS;
4543                         WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4544                 }
4545         }
4546
4547         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4548         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4549             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4550
4551                 /* 55 nm r6xx asics */
4552                 if ((rdev->family == CHIP_RV670) ||
4553                     (rdev->family == CHIP_RV620) ||
4554                     (rdev->family == CHIP_RV635)) {
4555                         WREG32(MM_CFGREGS_CNTL, 0x8);
4556                         link_cntl2 = RREG32(0x4088);
4557                         WREG32(MM_CFGREGS_CNTL, 0);
4558                         /* not supported yet */
4559                         if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4560                                 return;
4561                 }
4562
4563                 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4564                 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4565                 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4566                 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4567                 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4568                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4569
4570                 tmp = RREG32(0x541c);
4571                 WREG32(0x541c, tmp | 0x8);
4572                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4573                 link_cntl2 = RREG16(0x4088);
4574                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4575                 link_cntl2 |= 0x2;
4576                 WREG16(0x4088, link_cntl2);
4577                 WREG32(MM_CFGREGS_CNTL, 0);
4578
4579                 if ((rdev->family == CHIP_RV670) ||
4580                     (rdev->family == CHIP_RV620) ||
4581                     (rdev->family == CHIP_RV635)) {
4582                         training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4583                         training_cntl &= ~LC_POINT_7_PLUS_EN;
4584                         WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4585                 } else {
4586                         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4587                         speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4588                         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4589                 }
4590
4591                 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4592                 speed_cntl |= LC_GEN2_EN_STRAP;
4593                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4594
4595         } else {
4596                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4597                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4598                 if (1)
4599                         link_width_cntl |= LC_UPCONFIGURE_DIS;
4600                 else
4601                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4602                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4603         }
4604 }
4605
4606 /**
4607  * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4608  *
4609  * @rdev: radeon_device pointer
4610  *
4611  * Fetches a GPU clock counter snapshot (R6xx-cayman).
4612  * Returns the 64 bit clock counter snapshot.
4613  */
4614 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4615 {
4616         uint64_t clock;
4617
4618         mutex_lock(&rdev->gpu_clock_mutex);
4619         WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4620         clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4621                 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4622         mutex_unlock(&rdev->gpu_clock_mutex);
4623         return clock;
4624 }