drivers/gpu/drm/radeon/rs600.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 /* RS600 / Radeon X1250/X1270 integrated GPU
  29  *
  30  * This file gather function specific to RS600 which is the IGP of
  31  * the X1250/X1270 family supporting intel CPU (while RS690/RS740
  32  * is the X1250/X1270 supporting AMD CPU). The display engine are
  33  * the avivo one, bios is an atombios, 3D block are the one of the
  34  * R4XX family. The GART is different from the RS400 one and is very
  35  * close to the one of the R600 family (R600 likely being an evolution
  36  * of the RS600 GART block).
  37  */
  38 #include "drmP.h"
  39 #include "radeon.h"
  40 #include "radeon_asic.h"
  41 #include "atom.h"
  42 #include "rs600d.h"
  43
  44 #include "rs600_reg_safe.h"
  45
  46 void rs600_gpu_init(struct radeon_device *rdev);
  47 int rs600_mc_wait_for_idle(struct radeon_device *rdev);
  48
  49 void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
  50 {
  51         /* enable the pflip int */
  52         radeon_irq_kms_pflip_irq_get(rdev, crtc);
  53 }
  54
  55 void rs600_post_page_flip(struct radeon_device *rdev, int crtc)
  56 {
  57         /* disable the pflip int */
  58         radeon_irq_kms_pflip_irq_put(rdev, crtc);
  59 }
  60
  61 u32 rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
  62 {
  63         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
  64         u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
  65         int i;
  66
  67         /* Lock the graphics update lock */
  68         tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
  69         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
  70
  71         /* update the scanout addresses */
  72         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
  73                (u32)crtc_base);
  74         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
  75                (u32)crtc_base);
  76
  77         /* Wait for update_pending to go high. */
  78         for (i = 0; i < rdev->usec_timeout; i++) {
  79                 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
  80                         break;
  81                 udelay(1);
  82         }
  83         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
  84
  85         /* Unlock the lock, so double-buffering can take place inside vblank */
  86         tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
  87         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
  88
  89         /* Return current update_pending status: */
  90         return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
  91 }
  92
  93 void rs600_pm_misc(struct radeon_device *rdev)
  94 {
  95         int requested_index = rdev->pm.requested_power_state_index;
  96         struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
  97         struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
  98         u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl;
  99         u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl;
 100
 101         if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 102                 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 103                         tmp = RREG32(voltage->gpio.reg);
 104                         if (voltage->active_high)
 105                                 tmp |= voltage->gpio.mask;
 106                         else
 107                                 tmp &= ~(voltage->gpio.mask);
 108                         WREG32(voltage->gpio.reg, tmp);
 109                         if (voltage->delay)
 110                                 udelay(voltage->delay);
 111                 } else {
 112                         tmp = RREG32(voltage->gpio.reg);
 113                         if (voltage->active_high)
 114                                 tmp &= ~voltage->gpio.mask;
 115                         else
 116                                 tmp |= voltage->gpio.mask;
 117                         WREG32(voltage->gpio.reg, tmp);
 118                         if (voltage->delay)
 119                                 udelay(voltage->delay);
 120                 }
 121         } else if (voltage->type == VOLTAGE_VDDC)
 122                 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC);
 123
 124         dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH);
 125         dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf);
 126         dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf);
 127         if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 128                 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) {
 129                         dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2);
 130                         dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2);
 131                 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) {
 132                         dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4);
 133                         dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4);
 134                 }
 135         } else {
 136                 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1);
 137                 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1);
 138         }
 139         WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length);
 140
 141         dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL);
 142         if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 143                 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP;
 144                 if (voltage->delay) {
 145                         dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC;
 146                         dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay);
 147                 } else
 148                         dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC;
 149         } else
 150                 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP;
 151         WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl);
 152
 153         hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL);
 154         if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 155                 hdp_dyn_cntl &= ~HDP_FORCEON;
 156         else
 157                 hdp_dyn_cntl |= HDP_FORCEON;
 158         WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl);
 159 #if 0
 160         /* mc_host_dyn seems to cause hangs from time to time */
 161         mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL);
 162         if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN)
 163                 mc_host_dyn_cntl &= ~MC_HOST_FORCEON;
 164         else
 165                 mc_host_dyn_cntl |= MC_HOST_FORCEON;
 166         WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl);
 167 #endif
 168         dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL);
 169         if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN)
 170                 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
 171         else
 172                 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;
 173         WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl);
 174
 175         /* set pcie lanes */
 176         if ((rdev->flags & RADEON_IS_PCIE) &&
 177             !(rdev->flags & RADEON_IS_IGP) &&
 178             rdev->asic->set_pcie_lanes &&
 179             (ps->pcie_lanes !=
 180              rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 181                 radeon_set_pcie_lanes(rdev,
 182                                       ps->pcie_lanes);
 183                 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 184         }
 185 }
 186
 187 void rs600_pm_prepare(struct radeon_device *rdev)
 188 {
 189         struct drm_device *ddev = rdev->ddev;
 190         struct drm_crtc *crtc;
 191         struct radeon_crtc *radeon_crtc;
 192         u32 tmp;
 193
 194         /* disable any active CRTCs */
 195         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 196                 radeon_crtc = to_radeon_crtc(crtc);
 197                 if (radeon_crtc->enabled) {
 198                         tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 199                         tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 200                         WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 201                 }
 202         }
 203 }
 204
 205 void rs600_pm_finish(struct radeon_device *rdev)
 206 {
 207         struct drm_device *ddev = rdev->ddev;
 208         struct drm_crtc *crtc;
 209         struct radeon_crtc *radeon_crtc;
 210         u32 tmp;
 211
 212         /* enable any active CRTCs */
 213         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 214                 radeon_crtc = to_radeon_crtc(crtc);
 215                 if (radeon_crtc->enabled) {
 216                         tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset);
 217                         tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
 218                         WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 219                 }
 220         }
 221 }
 222
 223 /* hpd for digital panel detect/disconnect */
 224 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 225 {
 226         u32 tmp;
 227         bool connected = false;
 228
 229         switch (hpd) {
 230         case RADEON_HPD_1:
 231                 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
 232                 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
 233                         connected = true;
 234                 break;
 235         case RADEON_HPD_2:
 236                 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
 237                 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
 238                         connected = true;
 239                 break;
 240         default:
 241                 break;
 242         }
 243         return connected;
 244 }
 245
 246 void rs600_hpd_set_polarity(struct radeon_device *rdev,
 247                             enum radeon_hpd_id hpd)
 248 {
 249         u32 tmp;
 250         bool connected = rs600_hpd_sense(rdev, hpd);
 251
 252         switch (hpd) {
 253         case RADEON_HPD_1:
 254                 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 255                 if (connected)
 256                         tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 257                 else
 258                         tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
 259                 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 260                 break;
 261         case RADEON_HPD_2:
 262                 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 263                 if (connected)
 264                         tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 265                 else
 266                         tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
 267                 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 268                 break;
 269         default:
 270                 break;
 271         }
 272 }
 273
 274 void rs600_hpd_init(struct radeon_device *rdev)
 275 {
 276         struct drm_device *dev = rdev->ddev;
 277         struct drm_connector *connector;
 278
 279         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 280                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 281                 switch (radeon_connector->hpd.hpd) {
 282                 case RADEON_HPD_1:
 283                         WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 284                                S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
 285                         rdev->irq.hpd[0] = true;
 286                         break;
 287                 case RADEON_HPD_2:
 288                         WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 289                                S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
 290                         rdev->irq.hpd[1] = true;
 291                         break;
 292                 default:
 293                         break;
 294                 }
 295                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 296         }
 297         if (rdev->irq.installed)
 298                 rs600_irq_set(rdev);
 299 }
 300
 301 void rs600_hpd_fini(struct radeon_device *rdev)
 302 {
 303         struct drm_device *dev = rdev->ddev;
 304         struct drm_connector *connector;
 305
 306         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 307                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 308                 switch (radeon_connector->hpd.hpd) {
 309                 case RADEON_HPD_1:
 310                         WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 311                                S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
 312                         rdev->irq.hpd[0] = false;
 313                         break;
 314                 case RADEON_HPD_2:
 315                         WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 316                                S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
 317                         rdev->irq.hpd[1] = false;
 318                         break;
 319                 default:
 320                         break;
 321                 }
 322         }
 323 }
 324
 325 void rs600_bm_disable(struct radeon_device *rdev)
 326 {
 327         u32 tmp;
 328
 329         /* disable bus mastering */
 330         pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
 331         pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
 332         mdelay(1);
 333 }
 334
 335 int rs600_asic_reset(struct radeon_device *rdev)
 336 {
 337         struct rv515_mc_save save;
 338         u32 status, tmp;
 339         int ret = 0;
 340
 341         status = RREG32(R_000E40_RBBM_STATUS);
 342         if (!G_000E40_GUI_ACTIVE(status)) {
 343                 return 0;
 344         }
 345         /* Stops all mc clients */
 346         rv515_mc_stop(rdev, &save);
 347         status = RREG32(R_000E40_RBBM_STATUS);
 348         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 349         /* stop CP */
 350         WREG32(RADEON_CP_CSQ_CNTL, 0);
 351         tmp = RREG32(RADEON_CP_RB_CNTL);
 352         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 353         WREG32(RADEON_CP_RB_RPTR_WR, 0);
 354         WREG32(RADEON_CP_RB_WPTR, 0);
 355         WREG32(RADEON_CP_RB_CNTL, tmp);
 356         pci_save_state(rdev->pdev);
 357         /* disable bus mastering */
 358         rs600_bm_disable(rdev);
 359         /* reset GA+VAP */
 360         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 361                                         S_0000F0_SOFT_RESET_GA(1));
 362         RREG32(R_0000F0_RBBM_SOFT_RESET);
 363         mdelay(500);
 364         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 365         mdelay(1);
 366         status = RREG32(R_000E40_RBBM_STATUS);
 367         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 368         /* reset CP */
 369         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 370         RREG32(R_0000F0_RBBM_SOFT_RESET);
 371         mdelay(500);
 372         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 373         mdelay(1);
 374         status = RREG32(R_000E40_RBBM_STATUS);
 375         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 376         /* reset MC */
 377         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1));
 378         RREG32(R_0000F0_RBBM_SOFT_RESET);
 379         mdelay(500);
 380         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 381         mdelay(1);
 382         status = RREG32(R_000E40_RBBM_STATUS);
 383         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 384         /* restore PCI & busmastering */
 385         pci_restore_state(rdev->pdev);
 386         /* Check if GPU is idle */
 387         if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 388                 dev_err(rdev->dev, "failed to reset GPU\n");
 389                 rdev->gpu_lockup = true;
 390                 ret = -1;
 391         } else
 392                 dev_info(rdev->dev, "GPU reset succeed\n");
 393         rv515_mc_resume(rdev, &save);
 394         return ret;
 395 }
 396
 397 /*
 398  * GART.
 399  */
 400 void rs600_gart_tlb_flush(struct radeon_device *rdev)
 401 {
 402         uint32_t tmp;
 403
 404         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 405         tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 406         WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 407
 408         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 409         tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
 410         WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 411
 412         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 413         tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 414         WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 415         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 416 }
 417
 418 int rs600_gart_init(struct radeon_device *rdev)
 419 {
 420         int r;
 421
 422         if (rdev->gart.robj) {
 423                 WARN(1, "RS600 GART already initialized\n");
 424                 return 0;
 425         }
 426         /* Initialize common gart structure */
 427         r = radeon_gart_init(rdev);
 428         if (r) {
 429                 return r;
 430         }
 431         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 432         return radeon_gart_table_vram_alloc(rdev);
 433 }
 434
 435 static int rs600_gart_enable(struct radeon_device *rdev)
 436 {
 437         u32 tmp;
 438         int r, i;
 439
 440         if (rdev->gart.robj == NULL) {
 441                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 442                 return -EINVAL;
 443         }
 444         r = radeon_gart_table_vram_pin(rdev);
 445         if (r)
 446                 return r;
 447         radeon_gart_restore(rdev);
 448         /* Enable bus master */
 449         tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
 450         WREG32(RADEON_BUS_CNTL, tmp);
 451         /* FIXME: setup default page */
 452         WREG32_MC(R_000100_MC_PT0_CNTL,
 453                   (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
 454                    S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
 455
 456         for (i = 0; i < 19; i++) {
 457                 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
 458                           S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
 459                           S_00016C_SYSTEM_ACCESS_MODE_MASK(
 460                                   V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
 461                           S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
 462                                   V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
 463                           S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
 464                           S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
 465                           S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
 466         }
 467         /* enable first context */
 468         WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
 469                   S_000102_ENABLE_PAGE_TABLE(1) |
 470                   S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
 471
 472         /* disable all other contexts */
 473         for (i = 1; i < 8; i++)
 474                 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
 475
 476         /* setup the page table */
 477         WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
 478                   rdev->gart.table_addr);
 479         WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
 480         WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
 481         WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 482
 483         /* System context maps to VRAM space */
 484         WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
 485         WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
 486
 487         /* enable page tables */
 488         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 489         WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
 490         tmp = RREG32_MC(R_000009_MC_CNTL1);
 491         WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
 492         rs600_gart_tlb_flush(rdev);
 493         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 494                  (unsigned)(rdev->mc.gtt_size >> 20),
 495                  (unsigned long long)rdev->gart.table_addr);
 496         rdev->gart.ready = true;
 497         return 0;
 498 }
 499
 500 void rs600_gart_disable(struct radeon_device *rdev)
 501 {
 502         u32 tmp;
 503
 504         /* FIXME: disable out of gart access */
 505         WREG32_MC(R_000100_MC_PT0_CNTL, 0);
 506         tmp = RREG32_MC(R_000009_MC_CNTL1);
 507         WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
 508         radeon_gart_table_vram_unpin(rdev);
 509 }
 510
 511 void rs600_gart_fini(struct radeon_device *rdev)
 512 {
 513         radeon_gart_fini(rdev);
 514         rs600_gart_disable(rdev);
 515         radeon_gart_table_vram_free(rdev);
 516 }
 517
 518 #define R600_PTE_VALID     (1 << 0)
 519 #define R600_PTE_SYSTEM    (1 << 1)
 520 #define R600_PTE_SNOOPED   (1 << 2)
 521 #define R600_PTE_READABLE  (1 << 5)
 522 #define R600_PTE_WRITEABLE (1 << 6)
 523
 524 int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 525 {
 526         void __iomem *ptr = (void *)rdev->gart.ptr;
 527
 528         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 529                 return -EINVAL;
 530         }
 531         addr = addr & 0xFFFFFFFFFFFFF000ULL;
 532         addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
 533         addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
 534         writeq(addr, ptr + (i * 8));
 535         return 0;
 536 }
 537
 538 int rs600_irq_set(struct radeon_device *rdev)
 539 {
 540         uint32_t tmp = 0;
 541         uint32_t mode_int = 0;
 542         u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
 543                 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 544         u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
 545                 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 546
 547         if (!rdev->irq.installed) {
 548                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 549                 WREG32(R_000040_GEN_INT_CNTL, 0);
 550                 return -EINVAL;
 551         }
 552         if (rdev->irq.sw_int) {
 553                 tmp |= S_000040_SW_INT_EN(1);
 554         }
 555         if (rdev->irq.gui_idle) {
 556                 tmp |= S_000040_GUI_IDLE(1);
 557         }
 558         if (rdev->irq.crtc_vblank_int[0] ||
 559             rdev->irq.pflip[0]) {
 560                 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
 561         }
 562         if (rdev->irq.crtc_vblank_int[1] ||
 563             rdev->irq.pflip[1]) {
 564                 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
 565         }
 566         if (rdev->irq.hpd[0]) {
 567                 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 568         }
 569         if (rdev->irq.hpd[1]) {
 570                 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 571         }
 572         WREG32(R_000040_GEN_INT_CNTL, tmp);
 573         WREG32(R_006540_DxMODE_INT_MASK, mode_int);
 574         WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
 575         WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 576         return 0;
 577 }
 578
 579 static inline u32 rs600_irq_ack(struct radeon_device *rdev)
 580 {
 581         uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
 582         uint32_t irq_mask = S_000044_SW_INT(1);
 583         u32 tmp;
 584
 585         /* the interrupt works, but the status bit is permanently asserted */
 586         if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
 587                 if (!rdev->irq.gui_idle_acked)
 588                         irq_mask |= S_000044_GUI_IDLE_STAT(1);
 589         }
 590
 591         if (G_000044_DISPLAY_INT_STAT(irqs)) {
 592                 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
 593                 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 594                         WREG32(R_006534_D1MODE_VBLANK_STATUS,
 595                                 S_006534_D1MODE_VBLANK_ACK(1));
 596                 }
 597                 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 598                         WREG32(R_006D34_D2MODE_VBLANK_STATUS,
 599                                 S_006D34_D2MODE_VBLANK_ACK(1));
 600                 }
 601                 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 602                         tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 603                         tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
 604                         WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 605                 }
 606                 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 607                         tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 608                         tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
 609                         WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 610                 }
 611         } else {
 612                 rdev->irq.stat_regs.r500.disp_int = 0;
 613         }
 614
 615         if (irqs) {
 616                 WREG32(R_000044_GEN_INT_STATUS, irqs);
 617         }
 618         return irqs & irq_mask;
 619 }
 620
 621 void rs600_irq_disable(struct radeon_device *rdev)
 622 {
 623         WREG32(R_000040_GEN_INT_CNTL, 0);
 624         WREG32(R_006540_DxMODE_INT_MASK, 0);
 625         /* Wait and acknowledge irq */
 626         mdelay(1);
 627         rs600_irq_ack(rdev);
 628 }
 629
 630 int rs600_irq_process(struct radeon_device *rdev)
 631 {
 632         u32 status, msi_rearm;
 633         bool queue_hotplug = false;
 634
 635         /* reset gui idle ack.  the status bit is broken */
 636         rdev->irq.gui_idle_acked = false;
 637
 638         status = rs600_irq_ack(rdev);
 639         if (!status && !rdev->irq.stat_regs.r500.disp_int) {
 640                 return IRQ_NONE;
 641         }
 642         while (status || rdev->irq.stat_regs.r500.disp_int) {
 643                 /* SW interrupt */
 644                 if (G_000044_SW_INT(status)) {
 645                         radeon_fence_process(rdev);
 646                 }
 647                 /* GUI idle */
 648                 if (G_000040_GUI_IDLE(status)) {
 649                         rdev->irq.gui_idle_acked = true;
 650                         rdev->pm.gui_idle = true;
 651                         wake_up(&rdev->irq.idle_queue);
 652                 }
 653                 /* Vertical blank interrupts */
 654                 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 655                         if (rdev->irq.crtc_vblank_int[0]) {
 656                                 drm_handle_vblank(rdev->ddev, 0);
 657                                 rdev->pm.vblank_sync = true;
 658                                 wake_up(&rdev->irq.vblank_queue);
 659                         }
 660                         if (rdev->irq.pflip[0])
 661                                 radeon_crtc_handle_flip(rdev, 0);
 662                 }
 663                 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 664                         if (rdev->irq.crtc_vblank_int[1]) {
 665                                 drm_handle_vblank(rdev->ddev, 1);
 666                                 rdev->pm.vblank_sync = true;
 667                                 wake_up(&rdev->irq.vblank_queue);
 668                         }
 669                         if (rdev->irq.pflip[1])
 670                                 radeon_crtc_handle_flip(rdev, 1);
 671                 }
 672                 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 673                         queue_hotplug = true;
 674                         DRM_DEBUG("HPD1\n");
 675                 }
 676                 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
 677                         queue_hotplug = true;
 678                         DRM_DEBUG("HPD2\n");
 679                 }
 680                 status = rs600_irq_ack(rdev);
 681         }
 682         /* reset gui idle ack.  the status bit is broken */
 683         rdev->irq.gui_idle_acked = false;
 684         if (queue_hotplug)
 685                 schedule_work(&rdev->hotplug_work);
 686         if (rdev->msi_enabled) {
 687                 switch (rdev->family) {
 688                 case CHIP_RS600:
 689                 case CHIP_RS690:
 690                 case CHIP_RS740:
 691                         msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
 692                         WREG32(RADEON_BUS_CNTL, msi_rearm);
 693                         WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
 694                         break;
 695                 default:
 696                         msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
 697                         WREG32(RADEON_MSI_REARM_EN, msi_rearm);
 698                         WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
 699                         break;
 700                 }
 701         }
 702         return IRQ_HANDLED;
 703 }
 704
 705 u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
 706 {
 707         if (crtc == 0)
 708                 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
 709         else
 710                 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
 711 }
 712
 713 int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 714 {
 715         unsigned i;
 716
 717         for (i = 0; i < rdev->usec_timeout; i++) {
 718                 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
 719                         return 0;
 720                 udelay(1);
 721         }
 722         return -1;
 723 }
 724
 725 void rs600_gpu_init(struct radeon_device *rdev)
 726 {
 727         r420_pipes_init(rdev);
 728         /* Wait for mc idle */
 729         if (rs600_mc_wait_for_idle(rdev))
 730                 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 731 }
 732
 733 void rs600_mc_init(struct radeon_device *rdev)
 734 {
 735         u64 base;
 736
 737         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
 738         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
 739         rdev->mc.vram_is_ddr = true;
 740         rdev->mc.vram_width = 128;
 741         rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 742         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 743         rdev->mc.visible_vram_size = rdev->mc.aper_size;
 744         rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 745         base = RREG32_MC(R_000004_MC_FB_LOCATION);
 746         base = G_000004_MC_FB_START(base) << 16;
 747         radeon_vram_location(rdev, &rdev->mc, base);
 748         rdev->mc.gtt_base_align = 0;
 749         radeon_gtt_location(rdev, &rdev->mc);
 750         radeon_update_bandwidth_info(rdev);
 751 }
 752
 753 void rs600_bandwidth_update(struct radeon_device *rdev)
 754 {
 755         struct drm_display_mode *mode0 = NULL;
 756         struct drm_display_mode *mode1 = NULL;
 757         u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 758         /* FIXME: implement full support */
 759
 760         radeon_update_display_priority(rdev);
 761
 762         if (rdev->mode_info.crtcs[0]->base.enabled)
 763                 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 764         if (rdev->mode_info.crtcs[1]->base.enabled)
 765                 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
 766
 767         rs690_line_buffer_adjust(rdev, mode0, mode1);
 768
 769         if (rdev->disp_priority == 2) {
 770                 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
 771                 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
 772                 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 773                 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 774                 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
 775                 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 776                 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 777                 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 778         }
 779 }
 780
 781 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 782 {
 783         WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 784                 S_000070_MC_IND_CITF_ARB0(1));
 785         return RREG32(R_000074_MC_IND_DATA);
 786 }
 787
 788 void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 789 {
 790         WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 791                 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
 792         WREG32(R_000074_MC_IND_DATA, v);
 793 }
 794
 795 void rs600_debugfs(struct radeon_device *rdev)
 796 {
 797         if (r100_debugfs_rbbm_init(rdev))
 798                 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
 799 }
 800
 801 void rs600_set_safe_registers(struct radeon_device *rdev)
 802 {
 803         rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
 804         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
 805 }
 806
 807 static void rs600_mc_program(struct radeon_device *rdev)
 808 {
 809         struct rv515_mc_save save;
 810
 811         /* Stops all mc clients */
 812         rv515_mc_stop(rdev, &save);
 813
 814         /* Wait for mc idle */
 815         if (rs600_mc_wait_for_idle(rdev))
 816                 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 817
 818         /* FIXME: What does AGP means for such chipset ? */
 819         WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
 820         WREG32_MC(R_000006_AGP_BASE, 0);
 821         WREG32_MC(R_000007_AGP_BASE_2, 0);
 822         /* Program MC */
 823         WREG32_MC(R_000004_MC_FB_LOCATION,
 824                         S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
 825                         S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
 826         WREG32(R_000134_HDP_FB_LOCATION,
 827                 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 828
 829         rv515_mc_resume(rdev, &save);
 830 }
 831
 832 static int rs600_startup(struct radeon_device *rdev)
 833 {
 834         int r;
 835
 836         rs600_mc_program(rdev);
 837         /* Resume clock */
 838         rv515_clock_startup(rdev);
 839         /* Initialize GPU configuration (# pipes, ...) */
 840         rs600_gpu_init(rdev);
 841         /* Initialize GART (initialize after TTM so we can allocate
 842          * memory through TTM but finalize after TTM) */
 843         r = rs600_gart_enable(rdev);
 844         if (r)
 845                 return r;
 846
 847         /* allocate wb buffer */
 848         r = radeon_wb_init(rdev);
 849         if (r)
 850                 return r;
 851
 852         /* Enable IRQ */
 853         rs600_irq_set(rdev);
 854         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 855         /* 1M ring buffer */
 856         r = r100_cp_init(rdev, 1024 * 1024);
 857         if (r) {
 858                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
 859                 return r;
 860         }
 861         r = r100_ib_init(rdev);
 862         if (r) {
 863                 dev_err(rdev->dev, "failed initializing IB (%d).\n", r);
 864                 return r;
 865         }
 866
 867         r = r600_audio_init(rdev);
 868         if (r) {
 869                 dev_err(rdev->dev, "failed initializing audio\n");
 870                 return r;
 871         }
 872
 873         return 0;
 874 }
 875
 876 int rs600_resume(struct radeon_device *rdev)
 877 {
 878         /* Make sur GART are not working */
 879         rs600_gart_disable(rdev);
 880         /* Resume clock before doing reset */
 881         rv515_clock_startup(rdev);
 882         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 883         if (radeon_asic_reset(rdev)) {
 884                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 885                         RREG32(R_000E40_RBBM_STATUS),
 886                         RREG32(R_0007C0_CP_STAT));
 887         }
 888         /* post */
 889         atom_asic_init(rdev->mode_info.atom_context);
 890         /* Resume clock after posting */
 891         rv515_clock_startup(rdev);
 892         /* Initialize surface registers */
 893         radeon_surface_init(rdev);
 894         return rs600_startup(rdev);
 895 }
 896
 897 int rs600_suspend(struct radeon_device *rdev)
 898 {
 899         r600_audio_fini(rdev);
 900         r100_cp_disable(rdev);
 901         radeon_wb_disable(rdev);
 902         rs600_irq_disable(rdev);
 903         rs600_gart_disable(rdev);
 904         return 0;
 905 }
 906
 907 void rs600_fini(struct radeon_device *rdev)
 908 {
 909         r600_audio_fini(rdev);
 910         r100_cp_fini(rdev);
 911         radeon_wb_fini(rdev);
 912         r100_ib_fini(rdev);
 913         radeon_gem_fini(rdev);
 914         rs600_gart_fini(rdev);
 915         radeon_irq_kms_fini(rdev);
 916         radeon_fence_driver_fini(rdev);
 917         radeon_bo_fini(rdev);
 918         radeon_atombios_fini(rdev);
 919         kfree(rdev->bios);
 920         rdev->bios = NULL;
 921 }
 922
 923 int rs600_init(struct radeon_device *rdev)
 924 {
 925         int r;
 926
 927         /* Disable VGA */
 928         rv515_vga_render_disable(rdev);
 929         /* Initialize scratch registers */
 930         radeon_scratch_init(rdev);
 931         /* Initialize surface registers */
 932         radeon_surface_init(rdev);
 933         /* restore some register to sane defaults */
 934         r100_restore_sanity(rdev);
 935         /* BIOS */
 936         if (!radeon_get_bios(rdev)) {
 937                 if (ASIC_IS_AVIVO(rdev))
 938                         return -EINVAL;
 939         }
 940         if (rdev->is_atom_bios) {
 941                 r = radeon_atombios_init(rdev);
 942                 if (r)
 943                         return r;
 944         } else {
 945                 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
 946                 return -EINVAL;
 947         }
 948         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 949         if (radeon_asic_reset(rdev)) {
 950                 dev_warn(rdev->dev,
 951                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 952                         RREG32(R_000E40_RBBM_STATUS),
 953                         RREG32(R_0007C0_CP_STAT));
 954         }
 955         /* check if cards are posted or not */
 956         if (radeon_boot_test_post_card(rdev) == false)
 957                 return -EINVAL;
 958
 959         /* Initialize clocks */
 960         radeon_get_clock_info(rdev->ddev);
 961         /* initialize memory controller */
 962         rs600_mc_init(rdev);
 963         rs600_debugfs(rdev);
 964         /* Fence driver */
 965         r = radeon_fence_driver_init(rdev);
 966         if (r)
 967                 return r;
 968         r = radeon_irq_kms_init(rdev);
 969         if (r)
 970                 return r;
 971         /* Memory manager */
 972         r = radeon_bo_init(rdev);
 973         if (r)
 974                 return r;
 975         r = rs600_gart_init(rdev);
 976         if (r)
 977                 return r;
 978         rs600_set_safe_registers(rdev);
 979         rdev->accel_working = true;
 980         r = rs600_startup(rdev);
 981         if (r) {
 982                 /* Somethings want wront with the accel init stop accel */
 983                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
 984                 r100_cp_fini(rdev);
 985                 radeon_wb_fini(rdev);
 986                 r100_ib_fini(rdev);
 987                 rs600_gart_fini(rdev);
 988                 radeon_irq_kms_fini(rdev);
 989                 rdev->accel_working = false;
 990         }
 991         return 0;
 992 }