drivers/gpu/drm/radeon/evergreen.c

   1 /*
   2  * Copyright 2010 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Alex Deucher
  23  */
  24 #include <linux/firmware.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/slab.h>
  27 #include "drmP.h"
  28 #include "radeon.h"
  29 #include "radeon_asic.h"
  30 #include "radeon_drm.h"
  31 #include "evergreend.h"
  32 #include "atom.h"
  33 #include "avivod.h"
  34 #include "evergreen_reg.h"
  35 #include "evergreen_blit_shaders.h"
  36
  37 #define EVERGREEN_PFP_UCODE_SIZE 1120
  38 #define EVERGREEN_PM4_UCODE_SIZE 1376
  39
  40 static void evergreen_gpu_init(struct radeon_device *rdev);
  41 void evergreen_fini(struct radeon_device *rdev);
  42 void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
  43 extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
  44                                      int ring, u32 cp_int_cntl);
  45
  46 void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
  47                              unsigned *bankh, unsigned *mtaspect,
  48                              unsigned *tile_split)
  49 {
  50         *bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
  51         *bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
  52         *mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
  53         *tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
  54         switch (*bankw) {
  55         default:
  56         case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
  57         case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
  58         case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
  59         case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
  60         }
  61         switch (*bankh) {
  62         default:
  63         case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
  64         case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
  65         case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
  66         case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
  67         }
  68         switch (*mtaspect) {
  69         default:
  70         case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
  71         case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
  72         case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
  73         case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
  74         }
  75 }
  76
  77 void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
  78 {
  79         u16 ctl, v;
  80         int cap, err;
  81
  82         cap = pci_pcie_cap(rdev->pdev);
  83         if (!cap)
  84                 return;
  85
  86         err = pci_read_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, &ctl);
  87         if (err)
  88                 return;
  89
  90         v = (ctl & PCI_EXP_DEVCTL_READRQ) >> 12;
  91
  92         /* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
  93          * to avoid hangs or perfomance issues
  94          */
  95         if ((v == 0) || (v == 6) || (v == 7)) {
  96                 ctl &= ~PCI_EXP_DEVCTL_READRQ;
  97                 ctl |= (2 << 12);
  98                 pci_write_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, ctl);
  99         }
 100 }
 101
 102 void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
 103 {
 104         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
 105         int i;
 106
 107         if (RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset) & EVERGREEN_CRTC_MASTER_EN) {
 108                 for (i = 0; i < rdev->usec_timeout; i++) {
 109                         if (!(RREG32(EVERGREEN_CRTC_STATUS + radeon_crtc->crtc_offset) & EVERGREEN_CRTC_V_BLANK))
 110                                 break;
 111                         udelay(1);
 112                 }
 113                 for (i = 0; i < rdev->usec_timeout; i++) {
 114                         if (RREG32(EVERGREEN_CRTC_STATUS + radeon_crtc->crtc_offset) & EVERGREEN_CRTC_V_BLANK)
 115                                 break;
 116                         udelay(1);
 117                 }
 118         }
 119 }
 120
 121 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
 122 {
 123         /* enable the pflip int */
 124         radeon_irq_kms_pflip_irq_get(rdev, crtc);
 125 }
 126
 127 void evergreen_post_page_flip(struct radeon_device *rdev, int crtc)
 128 {
 129         /* disable the pflip int */
 130         radeon_irq_kms_pflip_irq_put(rdev, crtc);
 131 }
 132
 133 u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 134 {
 135         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 136         u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
 137         int i;
 138
 139         /* Lock the graphics update lock */
 140         tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
 141         WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 142
 143         /* update the scanout addresses */
 144         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
 145                upper_32_bits(crtc_base));
 146         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 147                (u32)crtc_base);
 148
 149         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
 150                upper_32_bits(crtc_base));
 151         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 152                (u32)crtc_base);
 153
 154         /* Wait for update_pending to go high. */
 155         for (i = 0; i < rdev->usec_timeout; i++) {
 156                 if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
 157                         break;
 158                 udelay(1);
 159         }
 160         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 161
 162         /* Unlock the lock, so double-buffering can take place inside vblank */
 163         tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
 164         WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 165
 166         /* Return current update_pending status: */
 167         return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING;
 168 }
 169
 170 /* get temperature in millidegrees */
 171 int evergreen_get_temp(struct radeon_device *rdev)
 172 {
 173         u32 temp, toffset;
 174         int actual_temp = 0;
 175
 176         if (rdev->family == CHIP_JUNIPER) {
 177                 toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
 178                         TOFFSET_SHIFT;
 179                 temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
 180                         TS0_ADC_DOUT_SHIFT;
 181
 182                 if (toffset & 0x100)
 183                         actual_temp = temp / 2 - (0x200 - toffset);
 184                 else
 185                         actual_temp = temp / 2 + toffset;
 186
 187                 actual_temp = actual_temp * 1000;
 188
 189         } else {
 190                 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
 191                         ASIC_T_SHIFT;
 192
 193                 if (temp & 0x400)
 194                         actual_temp = -256;
 195                 else if (temp & 0x200)
 196                         actual_temp = 255;
 197                 else if (temp & 0x100) {
 198                         actual_temp = temp & 0x1ff;
 199                         actual_temp |= ~0x1ff;
 200                 } else
 201                         actual_temp = temp & 0xff;
 202
 203                 actual_temp = (actual_temp * 1000) / 2;
 204         }
 205
 206         return actual_temp;
 207 }
 208
 209 int sumo_get_temp(struct radeon_device *rdev)
 210 {
 211         u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
 212         int actual_temp = temp - 49;
 213
 214         return actual_temp * 1000;
 215 }
 216
 217 void sumo_pm_init_profile(struct radeon_device *rdev)
 218 {
 219         int idx;
 220
 221         /* default */
 222         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 223         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 224         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 225         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 226
 227         /* low,mid sh/mh */
 228         if (rdev->flags & RADEON_IS_MOBILITY)
 229                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 230         else
 231                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 232
 233         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
 234         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
 235         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 236         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 237
 238         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
 239         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
 240         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 241         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 242
 243         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
 244         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
 245         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 246         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 247
 248         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
 249         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
 250         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 251         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 252
 253         /* high sh/mh */
 254         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 255         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
 256         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 257         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 258         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
 259                 rdev->pm.power_state[idx].num_clock_modes - 1;
 260
 261         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
 262         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 263         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 264         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
 265                 rdev->pm.power_state[idx].num_clock_modes - 1;
 266 }
 267
 268 void evergreen_pm_misc(struct radeon_device *rdev)
 269 {
 270         int req_ps_idx = rdev->pm.requested_power_state_index;
 271         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 272         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 273         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 274
 275         if (voltage->type == VOLTAGE_SW) {
 276                 /* 0xff01 is a flag rather then an actual voltage */
 277                 if (voltage->voltage == 0xff01)
 278                         return;
 279                 if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
 280                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 281                         rdev->pm.current_vddc = voltage->voltage;
 282                         DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
 283                 }
 284                 /* 0xff01 is a flag rather then an actual voltage */
 285                 if (voltage->vddci == 0xff01)
 286                         return;
 287                 if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
 288                         radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
 289                         rdev->pm.current_vddci = voltage->vddci;
 290                         DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
 291                 }
 292         }
 293 }
 294
 295 void evergreen_pm_prepare(struct radeon_device *rdev)
 296 {
 297         struct drm_device *ddev = rdev->ddev;
 298         struct drm_crtc *crtc;
 299         struct radeon_crtc *radeon_crtc;
 300         u32 tmp;
 301
 302         /* disable any active CRTCs */
 303         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 304                 radeon_crtc = to_radeon_crtc(crtc);
 305                 if (radeon_crtc->enabled) {
 306                         tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
 307                         tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
 308                         WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 309                 }
 310         }
 311 }
 312
 313 void evergreen_pm_finish(struct radeon_device *rdev)
 314 {
 315         struct drm_device *ddev = rdev->ddev;
 316         struct drm_crtc *crtc;
 317         struct radeon_crtc *radeon_crtc;
 318         u32 tmp;
 319
 320         /* enable any active CRTCs */
 321         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 322                 radeon_crtc = to_radeon_crtc(crtc);
 323                 if (radeon_crtc->enabled) {
 324                         tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
 325                         tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
 326                         WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 327                 }
 328         }
 329 }
 330
 331 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 332 {
 333         bool connected = false;
 334
 335         switch (hpd) {
 336         case RADEON_HPD_1:
 337                 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 338                         connected = true;
 339                 break;
 340         case RADEON_HPD_2:
 341                 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 342                         connected = true;
 343                 break;
 344         case RADEON_HPD_3:
 345                 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 346                         connected = true;
 347                 break;
 348         case RADEON_HPD_4:
 349                 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 350                         connected = true;
 351                 break;
 352         case RADEON_HPD_5:
 353                 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 354                         connected = true;
 355                 break;
 356         case RADEON_HPD_6:
 357                 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 358                         connected = true;
 359                         break;
 360         default:
 361                 break;
 362         }
 363
 364         return connected;
 365 }
 366
 367 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
 368                                 enum radeon_hpd_id hpd)
 369 {
 370         u32 tmp;
 371         bool connected = evergreen_hpd_sense(rdev, hpd);
 372
 373         switch (hpd) {
 374         case RADEON_HPD_1:
 375                 tmp = RREG32(DC_HPD1_INT_CONTROL);
 376                 if (connected)
 377                         tmp &= ~DC_HPDx_INT_POLARITY;
 378                 else
 379                         tmp |= DC_HPDx_INT_POLARITY;
 380                 WREG32(DC_HPD1_INT_CONTROL, tmp);
 381                 break;
 382         case RADEON_HPD_2:
 383                 tmp = RREG32(DC_HPD2_INT_CONTROL);
 384                 if (connected)
 385                         tmp &= ~DC_HPDx_INT_POLARITY;
 386                 else
 387                         tmp |= DC_HPDx_INT_POLARITY;
 388                 WREG32(DC_HPD2_INT_CONTROL, tmp);
 389                 break;
 390         case RADEON_HPD_3:
 391                 tmp = RREG32(DC_HPD3_INT_CONTROL);
 392                 if (connected)
 393                         tmp &= ~DC_HPDx_INT_POLARITY;
 394                 else
 395                         tmp |= DC_HPDx_INT_POLARITY;
 396                 WREG32(DC_HPD3_INT_CONTROL, tmp);
 397                 break;
 398         case RADEON_HPD_4:
 399                 tmp = RREG32(DC_HPD4_INT_CONTROL);
 400                 if (connected)
 401                         tmp &= ~DC_HPDx_INT_POLARITY;
 402                 else
 403                         tmp |= DC_HPDx_INT_POLARITY;
 404                 WREG32(DC_HPD4_INT_CONTROL, tmp);
 405                 break;
 406         case RADEON_HPD_5:
 407                 tmp = RREG32(DC_HPD5_INT_CONTROL);
 408                 if (connected)
 409                         tmp &= ~DC_HPDx_INT_POLARITY;
 410                 else
 411                         tmp |= DC_HPDx_INT_POLARITY;
 412                 WREG32(DC_HPD5_INT_CONTROL, tmp);
 413                         break;
 414         case RADEON_HPD_6:
 415                 tmp = RREG32(DC_HPD6_INT_CONTROL);
 416                 if (connected)
 417                         tmp &= ~DC_HPDx_INT_POLARITY;
 418                 else
 419                         tmp |= DC_HPDx_INT_POLARITY;
 420                 WREG32(DC_HPD6_INT_CONTROL, tmp);
 421                 break;
 422         default:
 423                 break;
 424         }
 425 }
 426
 427 void evergreen_hpd_init(struct radeon_device *rdev)
 428 {
 429         struct drm_device *dev = rdev->ddev;
 430         struct drm_connector *connector;
 431         unsigned enabled = 0;
 432         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
 433                 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
 434
 435         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 436                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 437                 switch (radeon_connector->hpd.hpd) {
 438                 case RADEON_HPD_1:
 439                         WREG32(DC_HPD1_CONTROL, tmp);
 440                         break;
 441                 case RADEON_HPD_2:
 442                         WREG32(DC_HPD2_CONTROL, tmp);
 443                         break;
 444                 case RADEON_HPD_3:
 445                         WREG32(DC_HPD3_CONTROL, tmp);
 446                         break;
 447                 case RADEON_HPD_4:
 448                         WREG32(DC_HPD4_CONTROL, tmp);
 449                         break;
 450                 case RADEON_HPD_5:
 451                         WREG32(DC_HPD5_CONTROL, tmp);
 452                         break;
 453                 case RADEON_HPD_6:
 454                         WREG32(DC_HPD6_CONTROL, tmp);
 455                         break;
 456                 default:
 457                         break;
 458                 }
 459                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 460                 enabled |= 1 << radeon_connector->hpd.hpd;
 461         }
 462         radeon_irq_kms_enable_hpd(rdev, enabled);
 463 }
 464
 465 void evergreen_hpd_fini(struct radeon_device *rdev)
 466 {
 467         struct drm_device *dev = rdev->ddev;
 468         struct drm_connector *connector;
 469         unsigned disabled = 0;
 470
 471         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 472                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 473                 switch (radeon_connector->hpd.hpd) {
 474                 case RADEON_HPD_1:
 475                         WREG32(DC_HPD1_CONTROL, 0);
 476                         break;
 477                 case RADEON_HPD_2:
 478                         WREG32(DC_HPD2_CONTROL, 0);
 479                         break;
 480                 case RADEON_HPD_3:
 481                         WREG32(DC_HPD3_CONTROL, 0);
 482                         break;
 483                 case RADEON_HPD_4:
 484                         WREG32(DC_HPD4_CONTROL, 0);
 485                         break;
 486                 case RADEON_HPD_5:
 487                         WREG32(DC_HPD5_CONTROL, 0);
 488                         break;
 489                 case RADEON_HPD_6:
 490                         WREG32(DC_HPD6_CONTROL, 0);
 491                         break;
 492                 default:
 493                         break;
 494                 }
 495                 disabled |= 1 << radeon_connector->hpd.hpd;
 496         }
 497         radeon_irq_kms_disable_hpd(rdev, disabled);
 498 }
 499
 500 /* watermark setup */
 501
 502 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
 503                                         struct radeon_crtc *radeon_crtc,
 504                                         struct drm_display_mode *mode,
 505                                         struct drm_display_mode *other_mode)
 506 {
 507         u32 tmp;
 508         /*
 509          * Line Buffer Setup
 510          * There are 3 line buffers, each one shared by 2 display controllers.
 511          * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
 512          * the display controllers.  The paritioning is done via one of four
 513          * preset allocations specified in bits 2:0:
 514          * first display controller
 515          *  0 - first half of lb (3840 * 2)
 516          *  1 - first 3/4 of lb (5760 * 2)
 517          *  2 - whole lb (7680 * 2), other crtc must be disabled
 518          *  3 - first 1/4 of lb (1920 * 2)
 519          * second display controller
 520          *  4 - second half of lb (3840 * 2)
 521          *  5 - second 3/4 of lb (5760 * 2)
 522          *  6 - whole lb (7680 * 2), other crtc must be disabled
 523          *  7 - last 1/4 of lb (1920 * 2)
 524          */
 525         /* this can get tricky if we have two large displays on a paired group
 526          * of crtcs.  Ideally for multiple large displays we'd assign them to
 527          * non-linked crtcs for maximum line buffer allocation.
 528          */
 529         if (radeon_crtc->base.enabled && mode) {
 530                 if (other_mode)
 531                         tmp = 0; /* 1/2 */
 532                 else
 533                         tmp = 2; /* whole */
 534         } else
 535                 tmp = 0;
 536
 537         /* second controller of the pair uses second half of the lb */
 538         if (radeon_crtc->crtc_id % 2)
 539                 tmp += 4;
 540         WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
 541
 542         if (radeon_crtc->base.enabled && mode) {
 543                 switch (tmp) {
 544                 case 0:
 545                 case 4:
 546                 default:
 547                         if (ASIC_IS_DCE5(rdev))
 548                                 return 4096 * 2;
 549                         else
 550                                 return 3840 * 2;
 551                 case 1:
 552                 case 5:
 553                         if (ASIC_IS_DCE5(rdev))
 554                                 return 6144 * 2;
 555                         else
 556                                 return 5760 * 2;
 557                 case 2:
 558                 case 6:
 559                         if (ASIC_IS_DCE5(rdev))
 560                                 return 8192 * 2;
 561                         else
 562                                 return 7680 * 2;
 563                 case 3:
 564                 case 7:
 565                         if (ASIC_IS_DCE5(rdev))
 566                                 return 2048 * 2;
 567                         else
 568                                 return 1920 * 2;
 569                 }
 570         }
 571
 572         /* controller not enabled, so no lb used */
 573         return 0;
 574 }
 575
 576 u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
 577 {
 578         u32 tmp = RREG32(MC_SHARED_CHMAP);
 579
 580         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
 581         case 0:
 582         default:
 583                 return 1;
 584         case 1:
 585                 return 2;
 586         case 2:
 587                 return 4;
 588         case 3:
 589                 return 8;
 590         }
 591 }
 592
 593 struct evergreen_wm_params {
 594         u32 dram_channels; /* number of dram channels */
 595         u32 yclk;          /* bandwidth per dram data pin in kHz */
 596         u32 sclk;          /* engine clock in kHz */
 597         u32 disp_clk;      /* display clock in kHz */
 598         u32 src_width;     /* viewport width */
 599         u32 active_time;   /* active display time in ns */
 600         u32 blank_time;    /* blank time in ns */
 601         bool interlaced;    /* mode is interlaced */
 602         fixed20_12 vsc;    /* vertical scale ratio */
 603         u32 num_heads;     /* number of active crtcs */
 604         u32 bytes_per_pixel; /* bytes per pixel display + overlay */
 605         u32 lb_size;       /* line buffer allocated to pipe */
 606         u32 vtaps;         /* vertical scaler taps */
 607 };
 608
 609 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
 610 {
 611         /* Calculate DRAM Bandwidth and the part allocated to display. */
 612         fixed20_12 dram_efficiency; /* 0.7 */
 613         fixed20_12 yclk, dram_channels, bandwidth;
 614         fixed20_12 a;
 615
 616         a.full = dfixed_const(1000);
 617         yclk.full = dfixed_const(wm->yclk);
 618         yclk.full = dfixed_div(yclk, a);
 619         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 620         a.full = dfixed_const(10);
 621         dram_efficiency.full = dfixed_const(7);
 622         dram_efficiency.full = dfixed_div(dram_efficiency, a);
 623         bandwidth.full = dfixed_mul(dram_channels, yclk);
 624         bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
 625
 626         return dfixed_trunc(bandwidth);
 627 }
 628
 629 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
 630 {
 631         /* Calculate DRAM Bandwidth and the part allocated to display. */
 632         fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
 633         fixed20_12 yclk, dram_channels, bandwidth;
 634         fixed20_12 a;
 635
 636         a.full = dfixed_const(1000);
 637         yclk.full = dfixed_const(wm->yclk);
 638         yclk.full = dfixed_div(yclk, a);
 639         dram_channels.full = dfixed_const(wm->dram_channels * 4);
 640         a.full = dfixed_const(10);
 641         disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
 642         disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
 643         bandwidth.full = dfixed_mul(dram_channels, yclk);
 644         bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
 645
 646         return dfixed_trunc(bandwidth);
 647 }
 648
 649 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
 650 {
 651         /* Calculate the display Data return Bandwidth */
 652         fixed20_12 return_efficiency; /* 0.8 */
 653         fixed20_12 sclk, bandwidth;
 654         fixed20_12 a;
 655
 656         a.full = dfixed_const(1000);
 657         sclk.full = dfixed_const(wm->sclk);
 658         sclk.full = dfixed_div(sclk, a);
 659         a.full = dfixed_const(10);
 660         return_efficiency.full = dfixed_const(8);
 661         return_efficiency.full = dfixed_div(return_efficiency, a);
 662         a.full = dfixed_const(32);
 663         bandwidth.full = dfixed_mul(a, sclk);
 664         bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
 665
 666         return dfixed_trunc(bandwidth);
 667 }
 668
 669 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
 670 {
 671         /* Calculate the DMIF Request Bandwidth */
 672         fixed20_12 disp_clk_request_efficiency; /* 0.8 */
 673         fixed20_12 disp_clk, bandwidth;
 674         fixed20_12 a;
 675
 676         a.full = dfixed_const(1000);
 677         disp_clk.full = dfixed_const(wm->disp_clk);
 678         disp_clk.full = dfixed_div(disp_clk, a);
 679         a.full = dfixed_const(10);
 680         disp_clk_request_efficiency.full = dfixed_const(8);
 681         disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
 682         a.full = dfixed_const(32);
 683         bandwidth.full = dfixed_mul(a, disp_clk);
 684         bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
 685
 686         return dfixed_trunc(bandwidth);
 687 }
 688
 689 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
 690 {
 691         /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
 692         u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
 693         u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
 694         u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
 695
 696         return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
 697 }
 698
 699 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
 700 {
 701         /* Calculate the display mode Average Bandwidth
 702          * DisplayMode should contain the source and destination dimensions,
 703          * timing, etc.
 704          */
 705         fixed20_12 bpp;
 706         fixed20_12 line_time;
 707         fixed20_12 src_width;
 708         fixed20_12 bandwidth;
 709         fixed20_12 a;
 710
 711         a.full = dfixed_const(1000);
 712         line_time.full = dfixed_const(wm->active_time + wm->blank_time);
 713         line_time.full = dfixed_div(line_time, a);
 714         bpp.full = dfixed_const(wm->bytes_per_pixel);
 715         src_width.full = dfixed_const(wm->src_width);
 716         bandwidth.full = dfixed_mul(src_width, bpp);
 717         bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
 718         bandwidth.full = dfixed_div(bandwidth, line_time);
 719
 720         return dfixed_trunc(bandwidth);
 721 }
 722
 723 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
 724 {
 725         /* First calcualte the latency in ns */
 726         u32 mc_latency = 2000; /* 2000 ns. */
 727         u32 available_bandwidth = evergreen_available_bandwidth(wm);
 728         u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
 729         u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
 730         u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
 731         u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
 732                 (wm->num_heads * cursor_line_pair_return_time);
 733         u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
 734         u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
 735         fixed20_12 a, b, c;
 736
 737         if (wm->num_heads == 0)
 738                 return 0;
 739
 740         a.full = dfixed_const(2);
 741         b.full = dfixed_const(1);
 742         if ((wm->vsc.full > a.full) ||
 743             ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
 744             (wm->vtaps >= 5) ||
 745             ((wm->vsc.full >= a.full) && wm->interlaced))
 746                 max_src_lines_per_dst_line = 4;
 747         else
 748                 max_src_lines_per_dst_line = 2;
 749
 750         a.full = dfixed_const(available_bandwidth);
 751         b.full = dfixed_const(wm->num_heads);
 752         a.full = dfixed_div(a, b);
 753
 754         b.full = dfixed_const(1000);
 755         c.full = dfixed_const(wm->disp_clk);
 756         b.full = dfixed_div(c, b);
 757         c.full = dfixed_const(wm->bytes_per_pixel);
 758         b.full = dfixed_mul(b, c);
 759
 760         lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));
 761
 762         a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
 763         b.full = dfixed_const(1000);
 764         c.full = dfixed_const(lb_fill_bw);
 765         b.full = dfixed_div(c, b);
 766         a.full = dfixed_div(a, b);
 767         line_fill_time = dfixed_trunc(a);
 768
 769         if (line_fill_time < wm->active_time)
 770                 return latency;
 771         else
 772                 return latency + (line_fill_time - wm->active_time);
 773
 774 }
 775
 776 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
 777 {
 778         if (evergreen_average_bandwidth(wm) <=
 779             (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
 780                 return true;
 781         else
 782                 return false;
 783 };
 784
 785 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
 786 {
 787         if (evergreen_average_bandwidth(wm) <=
 788             (evergreen_available_bandwidth(wm) / wm->num_heads))
 789                 return true;
 790         else
 791                 return false;
 792 };
 793
 794 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
 795 {
 796         u32 lb_partitions = wm->lb_size / wm->src_width;
 797         u32 line_time = wm->active_time + wm->blank_time;
 798         u32 latency_tolerant_lines;
 799         u32 latency_hiding;
 800         fixed20_12 a;
 801
 802         a.full = dfixed_const(1);
 803         if (wm->vsc.full > a.full)
 804                 latency_tolerant_lines = 1;
 805         else {
 806                 if (lb_partitions <= (wm->vtaps + 1))
 807                         latency_tolerant_lines = 1;
 808                 else
 809                         latency_tolerant_lines = 2;
 810         }
 811
 812         latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
 813
 814         if (evergreen_latency_watermark(wm) <= latency_hiding)
 815                 return true;
 816         else
 817                 return false;
 818 }
 819
 820 static void evergreen_program_watermarks(struct radeon_device *rdev,
 821                                          struct radeon_crtc *radeon_crtc,
 822                                          u32 lb_size, u32 num_heads)
 823 {
 824         struct drm_display_mode *mode = &radeon_crtc->base.mode;
 825         struct evergreen_wm_params wm;
 826         u32 pixel_period;
 827         u32 line_time = 0;
 828         u32 latency_watermark_a = 0, latency_watermark_b = 0;
 829         u32 priority_a_mark = 0, priority_b_mark = 0;
 830         u32 priority_a_cnt = PRIORITY_OFF;
 831         u32 priority_b_cnt = PRIORITY_OFF;
 832         u32 pipe_offset = radeon_crtc->crtc_id * 16;
 833         u32 tmp, arb_control3;
 834         fixed20_12 a, b, c;
 835
 836         if (radeon_crtc->base.enabled && num_heads && mode) {
 837                 pixel_period = 1000000 / (u32)mode->clock;
 838                 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
 839                 priority_a_cnt = 0;
 840                 priority_b_cnt = 0;
 841
 842                 wm.yclk = rdev->pm.current_mclk * 10;
 843                 wm.sclk = rdev->pm.current_sclk * 10;
 844                 wm.disp_clk = mode->clock;
 845                 wm.src_width = mode->crtc_hdisplay;
 846                 wm.active_time = mode->crtc_hdisplay * pixel_period;
 847                 wm.blank_time = line_time - wm.active_time;
 848                 wm.interlaced = false;
 849                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 850                         wm.interlaced = true;
 851                 wm.vsc = radeon_crtc->vsc;
 852                 wm.vtaps = 1;
 853                 if (radeon_crtc->rmx_type != RMX_OFF)
 854                         wm.vtaps = 2;
 855                 wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
 856                 wm.lb_size = lb_size;
 857                 wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
 858                 wm.num_heads = num_heads;
 859
 860                 /* set for high clocks */
 861                 latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535);
 862                 /* set for low clocks */
 863                 /* wm.yclk = low clk; wm.sclk = low clk */
 864                 latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535);
 865
 866                 /* possibly force display priority to high */
 867                 /* should really do this at mode validation time... */
 868                 if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
 869                     !evergreen_average_bandwidth_vs_available_bandwidth(&wm) ||
 870                     !evergreen_check_latency_hiding(&wm) ||
 871                     (rdev->disp_priority == 2)) {
 872                         DRM_DEBUG_KMS("force priority to high\n");
 873                         priority_a_cnt |= PRIORITY_ALWAYS_ON;
 874                         priority_b_cnt |= PRIORITY_ALWAYS_ON;
 875                 }
 876
 877                 a.full = dfixed_const(1000);
 878                 b.full = dfixed_const(mode->clock);
 879                 b.full = dfixed_div(b, a);
 880                 c.full = dfixed_const(latency_watermark_a);
 881                 c.full = dfixed_mul(c, b);
 882                 c.full = dfixed_mul(c, radeon_crtc->hsc);
 883                 c.full = dfixed_div(c, a);
 884                 a.full = dfixed_const(16);
 885                 c.full = dfixed_div(c, a);
 886                 priority_a_mark = dfixed_trunc(c);
 887                 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
 888
 889                 a.full = dfixed_const(1000);
 890                 b.full = dfixed_const(mode->clock);
 891                 b.full = dfixed_div(b, a);
 892                 c.full = dfixed_const(latency_watermark_b);
 893                 c.full = dfixed_mul(c, b);
 894                 c.full = dfixed_mul(c, radeon_crtc->hsc);
 895                 c.full = dfixed_div(c, a);
 896                 a.full = dfixed_const(16);
 897                 c.full = dfixed_div(c, a);
 898                 priority_b_mark = dfixed_trunc(c);
 899                 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
 900         }
 901
 902         /* select wm A */
 903         arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
 904         tmp = arb_control3;
 905         tmp &= ~LATENCY_WATERMARK_MASK(3);
 906         tmp |= LATENCY_WATERMARK_MASK(1);
 907         WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
 908         WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
 909                (LATENCY_LOW_WATERMARK(latency_watermark_a) |
 910                 LATENCY_HIGH_WATERMARK(line_time)));
 911         /* select wm B */
 912         tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
 913         tmp &= ~LATENCY_WATERMARK_MASK(3);
 914         tmp |= LATENCY_WATERMARK_MASK(2);
 915         WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
 916         WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
 917                (LATENCY_LOW_WATERMARK(latency_watermark_b) |
 918                 LATENCY_HIGH_WATERMARK(line_time)));
 919         /* restore original selection */
 920         WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
 921
 922         /* write the priority marks */
 923         WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
 924         WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
 925
 926 }
 927
 928 void evergreen_bandwidth_update(struct radeon_device *rdev)
 929 {
 930         struct drm_display_mode *mode0 = NULL;
 931         struct drm_display_mode *mode1 = NULL;
 932         u32 num_heads = 0, lb_size;
 933         int i;
 934
 935         radeon_update_display_priority(rdev);
 936
 937         for (i = 0; i < rdev->num_crtc; i++) {
 938                 if (rdev->mode_info.crtcs[i]->base.enabled)
 939                         num_heads++;
 940         }
 941         for (i = 0; i < rdev->num_crtc; i += 2) {
 942                 mode0 = &rdev->mode_info.crtcs[i]->base.mode;
 943                 mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
 944                 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
 945                 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
 946                 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
 947                 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
 948         }
 949 }
 950
 951 int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
 952 {
 953         unsigned i;
 954         u32 tmp;
 955
 956         for (i = 0; i < rdev->usec_timeout; i++) {
 957                 /* read MC_STATUS */
 958                 tmp = RREG32(SRBM_STATUS) & 0x1F00;
 959                 if (!tmp)
 960                         return 0;
 961                 udelay(1);
 962         }
 963         return -1;
 964 }
 965
 966 /*
 967  * GART
 968  */
 969 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
 970 {
 971         unsigned i;
 972         u32 tmp;
 973
 974         WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
 975
 976         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 977         for (i = 0; i < rdev->usec_timeout; i++) {
 978                 /* read MC_STATUS */
 979                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 980                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 981                 if (tmp == 2) {
 982                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 983                         return;
 984                 }
 985                 if (tmp) {
 986                         return;
 987                 }
 988                 udelay(1);
 989         }
 990 }
 991
 992 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 993 {
 994         u32 tmp;
 995         int r;
 996
 997         if (rdev->gart.robj == NULL) {
 998                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 999                 return -EINVAL;
1000         }
1001         r = radeon_gart_table_vram_pin(rdev);
1002         if (r)
1003                 return r;
1004         radeon_gart_restore(rdev);
1005         /* Setup L2 cache */
1006         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1007                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1008                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1009         WREG32(VM_L2_CNTL2, 0);
1010         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1011         /* Setup TLB control */
1012         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1013                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1014                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
1015                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1016         if (rdev->flags & RADEON_IS_IGP) {
1017                 WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
1018                 WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
1019                 WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
1020         } else {
1021                 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1022                 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1023                 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1024                 if ((rdev->family == CHIP_JUNIPER) ||
1025                     (rdev->family == CHIP_CYPRESS) ||
1026                     (rdev->family == CHIP_HEMLOCK) ||
1027                     (rdev->family == CHIP_BARTS))
1028                         WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
1029         }
1030         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1031         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1032         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1033         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1034         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1035         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1036         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1037         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1038                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1039         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1040                         (u32)(rdev->dummy_page.addr >> 12));
1041         WREG32(VM_CONTEXT1_CNTL, 0);
1042
1043         evergreen_pcie_gart_tlb_flush(rdev);
1044         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1045                  (unsigned)(rdev->mc.gtt_size >> 20),
1046                  (unsigned long long)rdev->gart.table_addr);
1047         rdev->gart.ready = true;
1048         return 0;
1049 }
1050
1051 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
1052 {
1053         u32 tmp;
1054
1055         /* Disable all tables */
1056         WREG32(VM_CONTEXT0_CNTL, 0);
1057         WREG32(VM_CONTEXT1_CNTL, 0);
1058
1059         /* Setup L2 cache */
1060         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1061                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1062         WREG32(VM_L2_CNTL2, 0);
1063         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1064         /* Setup TLB control */
1065         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1066         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1067         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1068         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1069         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1070         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1071         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1072         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1073         radeon_gart_table_vram_unpin(rdev);
1074 }
1075
1076 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
1077 {
1078         evergreen_pcie_gart_disable(rdev);
1079         radeon_gart_table_vram_free(rdev);
1080         radeon_gart_fini(rdev);
1081 }
1082
1083
1084 void evergreen_agp_enable(struct radeon_device *rdev)
1085 {
1086         u32 tmp;
1087
1088         /* Setup L2 cache */
1089         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1090                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1091                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1092         WREG32(VM_L2_CNTL2, 0);
1093         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1094         /* Setup TLB control */
1095         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1096                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1097                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
1098                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1099         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1100         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1101         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1102         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1103         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1104         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1105         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1106         WREG32(VM_CONTEXT0_CNTL, 0);
1107         WREG32(VM_CONTEXT1_CNTL, 0);
1108 }
1109
1110 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
1111 {
1112         save->vga_control[0] = RREG32(D1VGA_CONTROL);
1113         save->vga_control[1] = RREG32(D2VGA_CONTROL);
1114         save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
1115         save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
1116         save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
1117         save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
1118         if (rdev->num_crtc >= 4) {
1119                 save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
1120                 save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
1121                 save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
1122                 save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
1123         }
1124         if (rdev->num_crtc >= 6) {
1125                 save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
1126                 save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
1127                 save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
1128                 save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
1129         }
1130
1131         /* Stop all video */
1132         WREG32(VGA_RENDER_CONTROL, 0);
1133         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
1134         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
1135         if (rdev->num_crtc >= 4) {
1136                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
1137                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
1138         }
1139         if (rdev->num_crtc >= 6) {
1140                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
1141                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
1142         }
1143         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1144         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1145         if (rdev->num_crtc >= 4) {
1146                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1147                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1148         }
1149         if (rdev->num_crtc >= 6) {
1150                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1151                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1152         }
1153         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1154         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1155         if (rdev->num_crtc >= 4) {
1156                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1157                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1158         }
1159         if (rdev->num_crtc >= 6) {
1160                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1161                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1162         }
1163
1164         WREG32(D1VGA_CONTROL, 0);
1165         WREG32(D2VGA_CONTROL, 0);
1166         if (rdev->num_crtc >= 4) {
1167                 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1168                 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1169         }
1170         if (rdev->num_crtc >= 6) {
1171                 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1172                 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1173         }
1174 }
1175
1176 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1177 {
1178         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
1179                upper_32_bits(rdev->mc.vram_start));
1180         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
1181                upper_32_bits(rdev->mc.vram_start));
1182         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1183                (u32)rdev->mc.vram_start);
1184         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1185                (u32)rdev->mc.vram_start);
1186
1187         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
1188                upper_32_bits(rdev->mc.vram_start));
1189         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
1190                upper_32_bits(rdev->mc.vram_start));
1191         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1192                (u32)rdev->mc.vram_start);
1193         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1194                (u32)rdev->mc.vram_start);
1195
1196         if (rdev->num_crtc >= 4) {
1197                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
1198                        upper_32_bits(rdev->mc.vram_start));
1199                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
1200                        upper_32_bits(rdev->mc.vram_start));
1201                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1202                        (u32)rdev->mc.vram_start);
1203                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1204                        (u32)rdev->mc.vram_start);
1205
1206                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
1207                        upper_32_bits(rdev->mc.vram_start));
1208                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
1209                        upper_32_bits(rdev->mc.vram_start));
1210                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1211                        (u32)rdev->mc.vram_start);
1212                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1213                        (u32)rdev->mc.vram_start);
1214         }
1215         if (rdev->num_crtc >= 6) {
1216                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
1217                        upper_32_bits(rdev->mc.vram_start));
1218                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
1219                        upper_32_bits(rdev->mc.vram_start));
1220                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1221                        (u32)rdev->mc.vram_start);
1222                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1223                        (u32)rdev->mc.vram_start);
1224
1225                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
1226                        upper_32_bits(rdev->mc.vram_start));
1227                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
1228                        upper_32_bits(rdev->mc.vram_start));
1229                 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
1230                        (u32)rdev->mc.vram_start);
1231                 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
1232                        (u32)rdev->mc.vram_start);
1233         }
1234
1235         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
1236         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
1237         /* Unlock host access */
1238         WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
1239         mdelay(1);
1240         /* Restore video state */
1241         WREG32(D1VGA_CONTROL, save->vga_control[0]);
1242         WREG32(D2VGA_CONTROL, save->vga_control[1]);
1243         if (rdev->num_crtc >= 4) {
1244                 WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
1245                 WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
1246         }
1247         if (rdev->num_crtc >= 6) {
1248                 WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
1249                 WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
1250         }
1251         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
1252         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
1253         if (rdev->num_crtc >= 4) {
1254                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
1255                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
1256         }
1257         if (rdev->num_crtc >= 6) {
1258                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
1259                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
1260         }
1261         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
1262         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
1263         if (rdev->num_crtc >= 4) {
1264                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
1265                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
1266         }
1267         if (rdev->num_crtc >= 6) {
1268                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
1269                 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
1270         }
1271         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1272         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1273         if (rdev->num_crtc >= 4) {
1274                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1275                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1276         }
1277         if (rdev->num_crtc >= 6) {
1278                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1279                 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1280         }
1281         WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
1282 }
1283
1284 void evergreen_mc_program(struct radeon_device *rdev)
1285 {
1286         struct evergreen_mc_save save;
1287         u32 tmp;
1288         int i, j;
1289
1290         /* Initialize HDP */
1291         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1292                 WREG32((0x2c14 + j), 0x00000000);
1293                 WREG32((0x2c18 + j), 0x00000000);
1294                 WREG32((0x2c1c + j), 0x00000000);
1295                 WREG32((0x2c20 + j), 0x00000000);
1296                 WREG32((0x2c24 + j), 0x00000000);
1297         }
1298         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1299
1300         evergreen_mc_stop(rdev, &save);
1301         if (evergreen_mc_wait_for_idle(rdev)) {
1302                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1303         }
1304         /* Lockout access through VGA aperture*/
1305         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1306         /* Update configuration */
1307         if (rdev->flags & RADEON_IS_AGP) {
1308                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1309                         /* VRAM before AGP */
1310                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1311                                 rdev->mc.vram_start >> 12);
1312                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1313                                 rdev->mc.gtt_end >> 12);
1314                 } else {
1315                         /* VRAM after AGP */
1316                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1317                                 rdev->mc.gtt_start >> 12);
1318                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1319                                 rdev->mc.vram_end >> 12);
1320                 }
1321         } else {
1322                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1323                         rdev->mc.vram_start >> 12);
1324                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1325                         rdev->mc.vram_end >> 12);
1326         }
1327         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1328         /* llano/ontario only */
1329         if ((rdev->family == CHIP_PALM) ||
1330             (rdev->family == CHIP_SUMO) ||
1331             (rdev->family == CHIP_SUMO2)) {
1332                 tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
1333                 tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
1334                 tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
1335                 WREG32(MC_FUS_VM_FB_OFFSET, tmp);
1336         }
1337         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1338         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1339         WREG32(MC_VM_FB_LOCATION, tmp);
1340         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1341         WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
1342         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1343         if (rdev->flags & RADEON_IS_AGP) {
1344                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1345                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1346                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1347         } else {
1348                 WREG32(MC_VM_AGP_BASE, 0);
1349                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1350                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1351         }
1352         if (evergreen_mc_wait_for_idle(rdev)) {
1353                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1354         }
1355         evergreen_mc_resume(rdev, &save);
1356         /* we need to own VRAM, so turn off the VGA renderer here
1357          * to stop it overwriting our objects */
1358         rv515_vga_render_disable(rdev);
1359 }
1360
1361 /*
1362  * CP.
1363  */
1364 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1365 {
1366         struct radeon_ring *ring = &rdev->ring[ib->ring];
1367
1368         /* set to DX10/11 mode */
1369         radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1370         radeon_ring_write(ring, 1);
1371
1372         if (ring->rptr_save_reg) {
1373                 uint32_t next_rptr = ring->wptr + 3 + 4;
1374                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1375                 radeon_ring_write(ring, ((ring->rptr_save_reg -
1376                                           PACKET3_SET_CONFIG_REG_START) >> 2));
1377                 radeon_ring_write(ring, next_rptr);
1378         }
1379
1380         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1381         radeon_ring_write(ring,
1382 #ifdef __BIG_ENDIAN
1383                           (2 << 0) |
1384 #endif
1385                           (ib->gpu_addr & 0xFFFFFFFC));
1386         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1387         radeon_ring_write(ring, ib->length_dw);
1388 }
1389
1390
1391 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
1392 {
1393         const __be32 *fw_data;
1394         int i;
1395
1396         if (!rdev->me_fw || !rdev->pfp_fw)
1397                 return -EINVAL;
1398
1399         r700_cp_stop(rdev);
1400         WREG32(CP_RB_CNTL,
1401 #ifdef __BIG_ENDIAN
1402                BUF_SWAP_32BIT |
1403 #endif
1404                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1405
1406         fw_data = (const __be32 *)rdev->pfp_fw->data;
1407         WREG32(CP_PFP_UCODE_ADDR, 0);
1408         for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
1409                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1410         WREG32(CP_PFP_UCODE_ADDR, 0);
1411
1412         fw_data = (const __be32 *)rdev->me_fw->data;
1413         WREG32(CP_ME_RAM_WADDR, 0);
1414         for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
1415                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1416
1417         WREG32(CP_PFP_UCODE_ADDR, 0);
1418         WREG32(CP_ME_RAM_WADDR, 0);
1419         WREG32(CP_ME_RAM_RADDR, 0);
1420         return 0;
1421 }
1422
1423 static int evergreen_cp_start(struct radeon_device *rdev)
1424 {
1425         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1426         int r, i;
1427         uint32_t cp_me;
1428
1429         r = radeon_ring_lock(rdev, ring, 7);
1430         if (r) {
1431                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1432                 return r;
1433         }
1434         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1435         radeon_ring_write(ring, 0x1);
1436         radeon_ring_write(ring, 0x0);
1437         radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
1438         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1439         radeon_ring_write(ring, 0);
1440         radeon_ring_write(ring, 0);
1441         radeon_ring_unlock_commit(rdev, ring);
1442
1443         cp_me = 0xff;
1444         WREG32(CP_ME_CNTL, cp_me);
1445
1446         r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
1447         if (r) {
1448                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1449                 return r;
1450         }
1451
1452         /* setup clear context state */
1453         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1454         radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1455
1456         for (i = 0; i < evergreen_default_size; i++)
1457                 radeon_ring_write(ring, evergreen_default_state[i]);
1458
1459         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1460         radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1461
1462         /* set clear context state */
1463         radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1464         radeon_ring_write(ring, 0);
1465
1466         /* SQ_VTX_BASE_VTX_LOC */
1467         radeon_ring_write(ring, 0xc0026f00);
1468         radeon_ring_write(ring, 0x00000000);
1469         radeon_ring_write(ring, 0x00000000);
1470         radeon_ring_write(ring, 0x00000000);
1471
1472         /* Clear consts */
1473         radeon_ring_write(ring, 0xc0036f00);
1474         radeon_ring_write(ring, 0x00000bc4);
1475         radeon_ring_write(ring, 0xffffffff);
1476         radeon_ring_write(ring, 0xffffffff);
1477         radeon_ring_write(ring, 0xffffffff);
1478
1479         radeon_ring_write(ring, 0xc0026900);
1480         radeon_ring_write(ring, 0x00000316);
1481         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1482         radeon_ring_write(ring, 0x00000010); /*  */
1483
1484         radeon_ring_unlock_commit(rdev, ring);
1485
1486         return 0;
1487 }
1488
1489 int evergreen_cp_resume(struct radeon_device *rdev)
1490 {
1491         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1492         u32 tmp;
1493         u32 rb_bufsz;
1494         int r;
1495
1496         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1497         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1498                                  SOFT_RESET_PA |
1499                                  SOFT_RESET_SH |
1500                                  SOFT_RESET_VGT |
1501                                  SOFT_RESET_SPI |
1502                                  SOFT_RESET_SX));
1503         RREG32(GRBM_SOFT_RESET);
1504         mdelay(15);
1505         WREG32(GRBM_SOFT_RESET, 0);
1506         RREG32(GRBM_SOFT_RESET);
1507
1508         /* Set ring buffer size */
1509         rb_bufsz = drm_order(ring->ring_size / 8);
1510         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1511 #ifdef __BIG_ENDIAN
1512         tmp |= BUF_SWAP_32BIT;
1513 #endif
1514         WREG32(CP_RB_CNTL, tmp);
1515         WREG32(CP_SEM_WAIT_TIMER, 0x0);
1516         WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1517
1518         /* Set the write pointer delay */
1519         WREG32(CP_RB_WPTR_DELAY, 0);
1520
1521         /* Initialize the ring buffer's read and write pointers */
1522         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1523         WREG32(CP_RB_RPTR_WR, 0);
1524         ring->wptr = 0;
1525         WREG32(CP_RB_WPTR, ring->wptr);
1526
1527         /* set the wb address wether it's enabled or not */
1528         WREG32(CP_RB_RPTR_ADDR,
1529                ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1530         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1531         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1532
1533         if (rdev->wb.enabled)
1534                 WREG32(SCRATCH_UMSK, 0xff);
1535         else {
1536                 tmp |= RB_NO_UPDATE;
1537                 WREG32(SCRATCH_UMSK, 0);
1538         }
1539
1540         mdelay(1);
1541         WREG32(CP_RB_CNTL, tmp);
1542
1543         WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
1544         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1545
1546         ring->rptr = RREG32(CP_RB_RPTR);
1547
1548         evergreen_cp_start(rdev);
1549         ring->ready = true;
1550         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1551         if (r) {
1552                 ring->ready = false;
1553                 return r;
1554         }
1555         return 0;
1556 }
1557
1558 /*
1559  * Core functions
1560  */
1561 static void evergreen_gpu_init(struct radeon_device *rdev)
1562 {
1563         u32 gb_addr_config;
1564         u32 mc_shared_chmap, mc_arb_ramcfg;
1565         u32 sx_debug_1;
1566         u32 smx_dc_ctl0;
1567         u32 sq_config;
1568         u32 sq_lds_resource_mgmt;
1569         u32 sq_gpr_resource_mgmt_1;
1570         u32 sq_gpr_resource_mgmt_2;
1571         u32 sq_gpr_resource_mgmt_3;
1572         u32 sq_thread_resource_mgmt;
1573         u32 sq_thread_resource_mgmt_2;
1574         u32 sq_stack_resource_mgmt_1;
1575         u32 sq_stack_resource_mgmt_2;
1576         u32 sq_stack_resource_mgmt_3;
1577         u32 vgt_cache_invalidation;
1578         u32 hdp_host_path_cntl, tmp;
1579         u32 disabled_rb_mask;
1580         int i, j, num_shader_engines, ps_thread_count;
1581
1582         switch (rdev->family) {
1583         case CHIP_CYPRESS:
1584         case CHIP_HEMLOCK:
1585                 rdev->config.evergreen.num_ses = 2;
1586                 rdev->config.evergreen.max_pipes = 4;
1587                 rdev->config.evergreen.max_tile_pipes = 8;
1588                 rdev->config.evergreen.max_simds = 10;
1589                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1590                 rdev->config.evergreen.max_gprs = 256;
1591                 rdev->config.evergreen.max_threads = 248;
1592                 rdev->config.evergreen.max_gs_threads = 32;
1593                 rdev->config.evergreen.max_stack_entries = 512;
1594                 rdev->config.evergreen.sx_num_of_sets = 4;
1595                 rdev->config.evergreen.sx_max_export_size = 256;
1596                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1597                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1598                 rdev->config.evergreen.max_hw_contexts = 8;
1599                 rdev->config.evergreen.sq_num_cf_insts = 2;
1600
1601                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1602                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1603                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1604                 gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
1605                 break;
1606         case CHIP_JUNIPER:
1607                 rdev->config.evergreen.num_ses = 1;
1608                 rdev->config.evergreen.max_pipes = 4;
1609                 rdev->config.evergreen.max_tile_pipes = 4;
1610                 rdev->config.evergreen.max_simds = 10;
1611                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1612                 rdev->config.evergreen.max_gprs = 256;
1613                 rdev->config.evergreen.max_threads = 248;
1614                 rdev->config.evergreen.max_gs_threads = 32;
1615                 rdev->config.evergreen.max_stack_entries = 512;
1616                 rdev->config.evergreen.sx_num_of_sets = 4;
1617                 rdev->config.evergreen.sx_max_export_size = 256;
1618                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1619                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1620                 rdev->config.evergreen.max_hw_contexts = 8;
1621                 rdev->config.evergreen.sq_num_cf_insts = 2;
1622
1623                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1624                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1625                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1626                 gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
1627                 break;
1628         case CHIP_REDWOOD:
1629                 rdev->config.evergreen.num_ses = 1;
1630                 rdev->config.evergreen.max_pipes = 4;
1631                 rdev->config.evergreen.max_tile_pipes = 4;
1632                 rdev->config.evergreen.max_simds = 5;
1633                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1634                 rdev->config.evergreen.max_gprs = 256;
1635                 rdev->config.evergreen.max_threads = 248;
1636                 rdev->config.evergreen.max_gs_threads = 32;
1637                 rdev->config.evergreen.max_stack_entries = 256;
1638                 rdev->config.evergreen.sx_num_of_sets = 4;
1639                 rdev->config.evergreen.sx_max_export_size = 256;
1640                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1641                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1642                 rdev->config.evergreen.max_hw_contexts = 8;
1643                 rdev->config.evergreen.sq_num_cf_insts = 2;
1644
1645                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1646                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1647                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1648                 gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1649                 break;
1650         case CHIP_CEDAR:
1651         default:
1652                 rdev->config.evergreen.num_ses = 1;
1653                 rdev->config.evergreen.max_pipes = 2;
1654                 rdev->config.evergreen.max_tile_pipes = 2;
1655                 rdev->config.evergreen.max_simds = 2;
1656                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1657                 rdev->config.evergreen.max_gprs = 256;
1658                 rdev->config.evergreen.max_threads = 192;
1659                 rdev->config.evergreen.max_gs_threads = 16;
1660                 rdev->config.evergreen.max_stack_entries = 256;
1661                 rdev->config.evergreen.sx_num_of_sets = 4;
1662                 rdev->config.evergreen.sx_max_export_size = 128;
1663                 rdev->config.evergreen.sx_max_export_pos_size = 32;
1664                 rdev->config.evergreen.sx_max_export_smx_size = 96;
1665                 rdev->config.evergreen.max_hw_contexts = 4;
1666                 rdev->config.evergreen.sq_num_cf_insts = 1;
1667
1668                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1669                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1670                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1671                 gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1672                 break;
1673         case CHIP_PALM:
1674                 rdev->config.evergreen.num_ses = 1;
1675                 rdev->config.evergreen.max_pipes = 2;
1676                 rdev->config.evergreen.max_tile_pipes = 2;
1677                 rdev->config.evergreen.max_simds = 2;
1678                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1679                 rdev->config.evergreen.max_gprs = 256;
1680                 rdev->config.evergreen.max_threads = 192;
1681                 rdev->config.evergreen.max_gs_threads = 16;
1682                 rdev->config.evergreen.max_stack_entries = 256;
1683                 rdev->config.evergreen.sx_num_of_sets = 4;
1684                 rdev->config.evergreen.sx_max_export_size = 128;
1685                 rdev->config.evergreen.sx_max_export_pos_size = 32;
1686                 rdev->config.evergreen.sx_max_export_smx_size = 96;
1687                 rdev->config.evergreen.max_hw_contexts = 4;
1688                 rdev->config.evergreen.sq_num_cf_insts = 1;
1689
1690                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1691                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1692                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1693                 gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1694                 break;
1695         case CHIP_SUMO:
1696                 rdev->config.evergreen.num_ses = 1;
1697                 rdev->config.evergreen.max_pipes = 4;
1698                 rdev->config.evergreen.max_tile_pipes = 2;
1699                 if (rdev->pdev->device == 0x9648)
1700                         rdev->config.evergreen.max_simds = 3;
1701                 else if ((rdev->pdev->device == 0x9647) ||
1702                          (rdev->pdev->device == 0x964a))
1703                         rdev->config.evergreen.max_simds = 4;
1704                 else
1705                         rdev->config.evergreen.max_simds = 5;
1706                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1707                 rdev->config.evergreen.max_gprs = 256;
1708                 rdev->config.evergreen.max_threads = 248;
1709                 rdev->config.evergreen.max_gs_threads = 32;
1710                 rdev->config.evergreen.max_stack_entries = 256;
1711                 rdev->config.evergreen.sx_num_of_sets = 4;
1712                 rdev->config.evergreen.sx_max_export_size = 256;
1713                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1714                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1715                 rdev->config.evergreen.max_hw_contexts = 8;
1716                 rdev->config.evergreen.sq_num_cf_insts = 2;
1717
1718                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1719                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1720                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1721                 gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1722                 break;
1723         case CHIP_SUMO2:
1724                 rdev->config.evergreen.num_ses = 1;
1725                 rdev->config.evergreen.max_pipes = 4;
1726                 rdev->config.evergreen.max_tile_pipes = 4;
1727                 rdev->config.evergreen.max_simds = 2;
1728                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1729                 rdev->config.evergreen.max_gprs = 256;
1730                 rdev->config.evergreen.max_threads = 248;
1731                 rdev->config.evergreen.max_gs_threads = 32;
1732                 rdev->config.evergreen.max_stack_entries = 512;
1733                 rdev->config.evergreen.sx_num_of_sets = 4;
1734                 rdev->config.evergreen.sx_max_export_size = 256;
1735                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1736                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1737                 rdev->config.evergreen.max_hw_contexts = 8;
1738                 rdev->config.evergreen.sq_num_cf_insts = 2;
1739
1740                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1741                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1742                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1743                 gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1744                 break;
1745         case CHIP_BARTS:
1746                 rdev->config.evergreen.num_ses = 2;
1747                 rdev->config.evergreen.max_pipes = 4;
1748                 rdev->config.evergreen.max_tile_pipes = 8;
1749                 rdev->config.evergreen.max_simds = 7;
1750                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1751                 rdev->config.evergreen.max_gprs = 256;
1752                 rdev->config.evergreen.max_threads = 248;
1753                 rdev->config.evergreen.max_gs_threads = 32;
1754                 rdev->config.evergreen.max_stack_entries = 512;
1755                 rdev->config.evergreen.sx_num_of_sets = 4;
1756                 rdev->config.evergreen.sx_max_export_size = 256;
1757                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1758                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1759                 rdev->config.evergreen.max_hw_contexts = 8;
1760                 rdev->config.evergreen.sq_num_cf_insts = 2;
1761
1762                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1763                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1764                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1765                 gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
1766                 break;
1767         case CHIP_TURKS:
1768                 rdev->config.evergreen.num_ses = 1;
1769                 rdev->config.evergreen.max_pipes = 4;
1770                 rdev->config.evergreen.max_tile_pipes = 4;
1771                 rdev->config.evergreen.max_simds = 6;
1772                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1773                 rdev->config.evergreen.max_gprs = 256;
1774                 rdev->config.evergreen.max_threads = 248;
1775                 rdev->config.evergreen.max_gs_threads = 32;
1776                 rdev->config.evergreen.max_stack_entries = 256;
1777                 rdev->config.evergreen.sx_num_of_sets = 4;
1778                 rdev->config.evergreen.sx_max_export_size = 256;
1779                 rdev->config.evergreen.sx_max_export_pos_size = 64;
1780                 rdev->config.evergreen.sx_max_export_smx_size = 192;
1781                 rdev->config.evergreen.max_hw_contexts = 8;
1782                 rdev->config.evergreen.sq_num_cf_insts = 2;
1783
1784                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1785                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1786                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1787                 gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
1788                 break;
1789         case CHIP_CAICOS:
1790                 rdev->config.evergreen.num_ses = 1;
1791                 rdev->config.evergreen.max_pipes = 4;
1792                 rdev->config.evergreen.max_tile_pipes = 2;
1793                 rdev->config.evergreen.max_simds = 2;
1794                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1795                 rdev->config.evergreen.max_gprs = 256;
1796                 rdev->config.evergreen.max_threads = 192;
1797                 rdev->config.evergreen.max_gs_threads = 16;
1798                 rdev->config.evergreen.max_stack_entries = 256;
1799                 rdev->config.evergreen.sx_num_of_sets = 4;
1800                 rdev->config.evergreen.sx_max_export_size = 128;
1801                 rdev->config.evergreen.sx_max_export_pos_size = 32;
1802                 rdev->config.evergreen.sx_max_export_smx_size = 96;
1803                 rdev->config.evergreen.max_hw_contexts = 4;
1804                 rdev->config.evergreen.sq_num_cf_insts = 1;
1805
1806                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1807                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1808                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1809                 gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
1810                 break;
1811         }
1812
1813         /* Initialize HDP */
1814         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1815                 WREG32((0x2c14 + j), 0x00000000);
1816                 WREG32((0x2c18 + j), 0x00000000);
1817                 WREG32((0x2c1c + j), 0x00000000);
1818                 WREG32((0x2c20 + j), 0x00000000);
1819                 WREG32((0x2c24 + j), 0x00000000);
1820         }
1821
1822         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1823
1824         evergreen_fix_pci_max_read_req_size(rdev);
1825
1826         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1827         if ((rdev->family == CHIP_PALM) ||
1828             (rdev->family == CHIP_SUMO) ||
1829             (rdev->family == CHIP_SUMO2))
1830                 mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
1831         else
1832                 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1833
1834         /* setup tiling info dword.  gb_addr_config is not adequate since it does
1835          * not have bank info, so create a custom tiling dword.
1836          * bits 3:0   num_pipes
1837          * bits 7:4   num_banks
1838          * bits 11:8  group_size
1839          * bits 15:12 row_size
1840          */
1841         rdev->config.evergreen.tile_config = 0;
1842         switch (rdev->config.evergreen.max_tile_pipes) {
1843         case 1:
1844         default:
1845                 rdev->config.evergreen.tile_config |= (0 << 0);
1846                 break;
1847         case 2:
1848                 rdev->config.evergreen.tile_config |= (1 << 0);
1849                 break;
1850         case 4:
1851                 rdev->config.evergreen.tile_config |= (2 << 0);
1852                 break;
1853         case 8:
1854                 rdev->config.evergreen.tile_config |= (3 << 0);
1855                 break;
1856         }
1857         /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1858         if (rdev->flags & RADEON_IS_IGP)
1859                 rdev->config.evergreen.tile_config |= 1 << 4;
1860         else {
1861                 if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
1862                         rdev->config.evergreen.tile_config |= 1 << 4;
1863                 else
1864                         rdev->config.evergreen.tile_config |= 0 << 4;
1865         }
1866         rdev->config.evergreen.tile_config |= 0 << 8;
1867         rdev->config.evergreen.tile_config |=
1868                 ((gb_addr_config & 0x30000000) >> 28) << 12;
1869
1870         num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1;
1871
1872         if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
1873                 u32 efuse_straps_4;
1874                 u32 efuse_straps_3;
1875
1876                 WREG32(RCU_IND_INDEX, 0x204);
1877                 efuse_straps_4 = RREG32(RCU_IND_DATA);
1878                 WREG32(RCU_IND_INDEX, 0x203);
1879                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1880                 tmp = (((efuse_straps_4 & 0xf) << 4) |
1881                       ((efuse_straps_3 & 0xf0000000) >> 28));
1882         } else {
1883                 tmp = 0;
1884                 for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
1885                         u32 rb_disable_bitmap;
1886
1887                         WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1888                         WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1889                         rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1890                         tmp <<= 4;
1891                         tmp |= rb_disable_bitmap;
1892                 }
1893         }
1894         /* enabled rb are just the one not disabled :) */
1895         disabled_rb_mask = tmp;
1896
1897         WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1898         WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1899
1900         WREG32(GB_ADDR_CONFIG, gb_addr_config);
1901         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1902         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1903
1904         tmp = gb_addr_config & NUM_PIPES_MASK;
1905         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
1906                                         EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
1907         WREG32(GB_BACKEND_MAP, tmp);
1908
1909         WREG32(CGTS_SYS_TCC_DISABLE, 0);
1910         WREG32(CGTS_TCC_DISABLE, 0);
1911         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1912         WREG32(CGTS_USER_TCC_DISABLE, 0);
1913
1914         /* set HW defaults for 3D engine */
1915         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1916                                      ROQ_IB2_START(0x2b)));
1917
1918         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1919
1920         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1921                              SYNC_GRADIENT |
1922                              SYNC_WALKER |
1923                              SYNC_ALIGNER));
1924
1925         sx_debug_1 = RREG32(SX_DEBUG_1);
1926         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1927         WREG32(SX_DEBUG_1, sx_debug_1);
1928
1929
1930         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1931         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1932         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1933         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1934
1935         if (rdev->family <= CHIP_SUMO2)
1936                 WREG32(SMX_SAR_CTL0, 0x00010000);
1937
1938         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1939                                         POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1940                                         SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1941
1942         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1943                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1944                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1945
1946         WREG32(VGT_NUM_INSTANCES, 1);
1947         WREG32(SPI_CONFIG_CNTL, 0);
1948         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1949         WREG32(CP_PERFMON_CNTL, 0);
1950
1951         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1952                                   FETCH_FIFO_HIWATER(0x4) |
1953                                   DONE_FIFO_HIWATER(0xe0) |
1954                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
1955
1956         sq_config = RREG32(SQ_CONFIG);
1957         sq_config &= ~(PS_PRIO(3) |
1958                        VS_PRIO(3) |
1959                        GS_PRIO(3) |
1960                        ES_PRIO(3));
1961         sq_config |= (VC_ENABLE |
1962                       EXPORT_SRC_C |
1963                       PS_PRIO(0) |
1964                       VS_PRIO(1) |
1965                       GS_PRIO(2) |
1966                       ES_PRIO(3));
1967
1968         switch (rdev->family) {
1969         case CHIP_CEDAR:
1970         case CHIP_PALM:
1971         case CHIP_SUMO:
1972         case CHIP_SUMO2:
1973         case CHIP_CAICOS:
1974                 /* no vertex cache */
1975                 sq_config &= ~VC_ENABLE;
1976                 break;
1977         default:
1978                 break;
1979         }
1980
1981         sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
1982
1983         sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
1984         sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
1985         sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
1986         sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1987         sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1988         sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1989         sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1990
1991         switch (rdev->family) {
1992         case CHIP_CEDAR:
1993         case CHIP_PALM:
1994         case CHIP_SUMO:
1995         case CHIP_SUMO2:
1996                 ps_thread_count = 96;
1997                 break;
1998         default:
1999                 ps_thread_count = 128;
2000                 break;
2001         }
2002
2003         sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
2004         sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2005         sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2006         sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2007         sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2008         sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2009
2010         sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2011         sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2012         sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2013         sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2014         sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2015         sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2016
2017         WREG32(SQ_CONFIG, sq_config);
2018         WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2019         WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2020         WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
2021         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2022         WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
2023         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2024         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2025         WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
2026         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2027         WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
2028
2029         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
2030                                           FORCE_EOV_MAX_REZ_CNT(255)));
2031
2032         switch (rdev->family) {
2033         case CHIP_CEDAR:
2034         case CHIP_PALM:
2035         case CHIP_SUMO:
2036         case CHIP_SUMO2:
2037         case CHIP_CAICOS:
2038                 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
2039                 break;
2040         default:
2041                 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
2042                 break;
2043         }
2044         vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
2045         WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
2046
2047         WREG32(VGT_GS_VERTEX_REUSE, 16);
2048         WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
2049         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2050
2051         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
2052         WREG32(VGT_OUT_DEALLOC_CNTL, 16);
2053
2054         WREG32(CB_PERF_CTR0_SEL_0, 0);
2055         WREG32(CB_PERF_CTR0_SEL_1, 0);
2056         WREG32(CB_PERF_CTR1_SEL_0, 0);
2057         WREG32(CB_PERF_CTR1_SEL_1, 0);
2058         WREG32(CB_PERF_CTR2_SEL_0, 0);
2059         WREG32(CB_PERF_CTR2_SEL_1, 0);
2060         WREG32(CB_PERF_CTR3_SEL_0, 0);
2061         WREG32(CB_PERF_CTR3_SEL_1, 0);
2062
2063         /* clear render buffer base addresses */
2064         WREG32(CB_COLOR0_BASE, 0);
2065         WREG32(CB_COLOR1_BASE, 0);
2066         WREG32(CB_COLOR2_BASE, 0);
2067         WREG32(CB_COLOR3_BASE, 0);
2068         WREG32(CB_COLOR4_BASE, 0);
2069         WREG32(CB_COLOR5_BASE, 0);
2070         WREG32(CB_COLOR6_BASE, 0);
2071         WREG32(CB_COLOR7_BASE, 0);
2072         WREG32(CB_COLOR8_BASE, 0);
2073         WREG32(CB_COLOR9_BASE, 0);
2074         WREG32(CB_COLOR10_BASE, 0);
2075         WREG32(CB_COLOR11_BASE, 0);
2076
2077         /* set the shader const cache sizes to 0 */
2078         for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
2079                 WREG32(i, 0);
2080         for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
2081                 WREG32(i, 0);
2082
2083         tmp = RREG32(HDP_MISC_CNTL);
2084         tmp |= HDP_FLUSH_INVALIDATE_CACHE;
2085         WREG32(HDP_MISC_CNTL, tmp);
2086
2087         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
2088         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
2089
2090         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
2091
2092         udelay(50);
2093
2094 }
2095
2096 int evergreen_mc_init(struct radeon_device *rdev)
2097 {
2098         u32 tmp;
2099         int chansize, numchan;
2100
2101         /* Get VRAM informations */
2102         rdev->mc.vram_is_ddr = true;
2103         if ((rdev->family == CHIP_PALM) ||
2104             (rdev->family == CHIP_SUMO) ||
2105             (rdev->family == CHIP_SUMO2))
2106                 tmp = RREG32(FUS_MC_ARB_RAMCFG);
2107         else
2108                 tmp = RREG32(MC_ARB_RAMCFG);
2109         if (tmp & CHANSIZE_OVERRIDE) {
2110                 chansize = 16;
2111         } else if (tmp & CHANSIZE_MASK) {
2112                 chansize = 64;
2113         } else {
2114                 chansize = 32;
2115         }
2116         tmp = RREG32(MC_SHARED_CHMAP);
2117         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2118         case 0:
2119         default:
2120                 numchan = 1;
2121                 break;
2122         case 1:
2123                 numchan = 2;
2124                 break;
2125         case 2:
2126                 numchan = 4;
2127                 break;
2128         case 3:
2129                 numchan = 8;
2130                 break;
2131         }
2132         rdev->mc.vram_width = numchan * chansize;
2133         /* Could aper size report 0 ? */
2134         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2135         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2136         /* Setup GPU memory space */
2137         if ((rdev->family == CHIP_PALM) ||
2138             (rdev->family == CHIP_SUMO) ||
2139             (rdev->family == CHIP_SUMO2)) {
2140                 /* size in bytes on fusion */
2141                 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
2142                 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
2143         } else {
2144                 /* size in MB on evergreen/cayman/tn */
2145                 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2146                 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2147         }
2148         rdev->mc.visible_vram_size = rdev->mc.aper_size;
2149         r700_vram_gtt_location(rdev, &rdev->mc);
2150         radeon_update_bandwidth_info(rdev);
2151
2152         return 0;
2153 }
2154
2155 bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2156 {
2157         u32 srbm_status;
2158         u32 grbm_status;
2159         u32 grbm_status_se0, grbm_status_se1;
2160
2161         srbm_status = RREG32(SRBM_STATUS);
2162         grbm_status = RREG32(GRBM_STATUS);
2163         grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
2164         grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
2165         if (!(grbm_status & GUI_ACTIVE)) {
2166                 radeon_ring_lockup_update(ring);
2167                 return false;
2168         }
2169         /* force CP activities */
2170         radeon_ring_force_activity(rdev, ring);
2171         return radeon_ring_test_lockup(rdev, ring);
2172 }
2173
2174 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
2175 {
2176         struct evergreen_mc_save save;
2177         u32 grbm_reset = 0;
2178
2179         if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
2180                 return 0;
2181
2182         dev_info(rdev->dev, "GPU softreset \n");
2183         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
2184                 RREG32(GRBM_STATUS));
2185         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
2186                 RREG32(GRBM_STATUS_SE0));
2187         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
2188                 RREG32(GRBM_STATUS_SE1));
2189         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
2190                 RREG32(SRBM_STATUS));
2191         evergreen_mc_stop(rdev, &save);
2192         if (evergreen_mc_wait_for_idle(rdev)) {
2193                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2194         }
2195         /* Disable CP parsing/prefetching */
2196         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
2197
2198         /* reset all the gfx blocks */
2199         grbm_reset = (SOFT_RESET_CP |
2200                       SOFT_RESET_CB |
2201                       SOFT_RESET_DB |
2202                       SOFT_RESET_PA |
2203                       SOFT_RESET_SC |
2204                       SOFT_RESET_SPI |
2205                       SOFT_RESET_SH |
2206                       SOFT_RESET_SX |
2207                       SOFT_RESET_TC |
2208                       SOFT_RESET_TA |
2209                       SOFT_RESET_VC |
2210                       SOFT_RESET_VGT);
2211
2212         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
2213         WREG32(GRBM_SOFT_RESET, grbm_reset);
2214         (void)RREG32(GRBM_SOFT_RESET);
2215         udelay(50);
2216         WREG32(GRBM_SOFT_RESET, 0);
2217         (void)RREG32(GRBM_SOFT_RESET);
2218         /* Wait a little for things to settle down */
2219         udelay(50);
2220         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
2221                 RREG32(GRBM_STATUS));
2222         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
2223                 RREG32(GRBM_STATUS_SE0));
2224         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
2225                 RREG32(GRBM_STATUS_SE1));
2226         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
2227                 RREG32(SRBM_STATUS));
2228         evergreen_mc_resume(rdev, &save);
2229         return 0;
2230 }
2231
2232 int evergreen_asic_reset(struct radeon_device *rdev)
2233 {
2234         return evergreen_gpu_soft_reset(rdev);
2235 }
2236
2237 /* Interrupts */
2238
2239 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
2240 {
2241         switch (crtc) {
2242         case 0:
2243                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
2244         case 1:
2245                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
2246         case 2:
2247                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
2248         case 3:
2249                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
2250         case 4:
2251                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
2252         case 5:
2253                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
2254         default:
2255                 return 0;
2256         }
2257 }
2258
2259 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
2260 {
2261         u32 tmp;
2262
2263         if (rdev->family >= CHIP_CAYMAN) {
2264                 cayman_cp_int_cntl_setup(rdev, 0,
2265                                          CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2266                 cayman_cp_int_cntl_setup(rdev, 1, 0);
2267                 cayman_cp_int_cntl_setup(rdev, 2, 0);
2268         } else
2269                 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2270         WREG32(GRBM_INT_CNTL, 0);
2271         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2272         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2273         if (rdev->num_crtc >= 4) {
2274                 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2275                 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2276         }
2277         if (rdev->num_crtc >= 6) {
2278                 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2279                 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2280         }
2281
2282         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2283         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2284         if (rdev->num_crtc >= 4) {
2285                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2286                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2287         }
2288         if (rdev->num_crtc >= 6) {
2289                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2290                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2291         }
2292
2293         /* only one DAC on DCE6 */
2294         if (!ASIC_IS_DCE6(rdev))
2295                 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2296         WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2297
2298         tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2299         WREG32(DC_HPD1_INT_CONTROL, tmp);
2300         tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2301         WREG32(DC_HPD2_INT_CONTROL, tmp);
2302         tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2303         WREG32(DC_HPD3_INT_CONTROL, tmp);
2304         tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2305         WREG32(DC_HPD4_INT_CONTROL, tmp);
2306         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2307         WREG32(DC_HPD5_INT_CONTROL, tmp);
2308         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2309         WREG32(DC_HPD6_INT_CONTROL, tmp);
2310
2311 }
2312
2313 int evergreen_irq_set(struct radeon_device *rdev)
2314 {
2315         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2316         u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
2317         u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
2318         u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2319         u32 grbm_int_cntl = 0;
2320         u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
2321         u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0;
2322
2323         if (!rdev->irq.installed) {
2324                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2325                 return -EINVAL;
2326         }
2327         /* don't enable anything if the ih is disabled */
2328         if (!rdev->ih.enabled) {
2329                 r600_disable_interrupts(rdev);
2330                 /* force the active interrupt state to all disabled */
2331                 evergreen_disable_interrupt_state(rdev);
2332                 return 0;
2333         }
2334
2335         hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2336         hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
2337         hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
2338         hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
2339         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
2340         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
2341
2342         afmt1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2343         afmt2 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2344         afmt3 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2345         afmt4 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2346         afmt5 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2347         afmt6 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2348
2349         if (rdev->family >= CHIP_CAYMAN) {
2350                 /* enable CP interrupts on all rings */
2351                 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2352                         DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
2353                         cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2354                 }
2355                 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
2356                         DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
2357                         cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
2358                 }
2359                 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
2360                         DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
2361                         cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
2362                 }
2363         } else {
2364                 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2365                         DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
2366                         cp_int_cntl |= RB_INT_ENABLE;
2367                         cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2368                 }
2369         }
2370
2371         if (rdev->irq.crtc_vblank_int[0] ||
2372             atomic_read(&rdev->irq.pflip[0])) {
2373                 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
2374                 crtc1 |= VBLANK_INT_MASK;
2375         }
2376         if (rdev->irq.crtc_vblank_int[1] ||
2377             atomic_read(&rdev->irq.pflip[1])) {
2378                 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
2379                 crtc2 |= VBLANK_INT_MASK;
2380         }
2381         if (rdev->irq.crtc_vblank_int[2] ||
2382             atomic_read(&rdev->irq.pflip[2])) {
2383                 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
2384                 crtc3 |= VBLANK_INT_MASK;
2385         }
2386         if (rdev->irq.crtc_vblank_int[3] ||
2387             atomic_read(&rdev->irq.pflip[3])) {
2388                 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
2389                 crtc4 |= VBLANK_INT_MASK;
2390         }
2391         if (rdev->irq.crtc_vblank_int[4] ||
2392             atomic_read(&rdev->irq.pflip[4])) {
2393                 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
2394                 crtc5 |= VBLANK_INT_MASK;
2395         }
2396         if (rdev->irq.crtc_vblank_int[5] ||
2397             atomic_read(&rdev->irq.pflip[5])) {
2398                 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
2399                 crtc6 |= VBLANK_INT_MASK;
2400         }
2401         if (rdev->irq.hpd[0]) {
2402                 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
2403                 hpd1 |= DC_HPDx_INT_EN;
2404         }
2405         if (rdev->irq.hpd[1]) {
2406                 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
2407                 hpd2 |= DC_HPDx_INT_EN;
2408         }
2409         if (rdev->irq.hpd[2]) {
2410                 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
2411                 hpd3 |= DC_HPDx_INT_EN;
2412         }
2413         if (rdev->irq.hpd[3]) {
2414                 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
2415                 hpd4 |= DC_HPDx_INT_EN;
2416         }
2417         if (rdev->irq.hpd[4]) {
2418                 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
2419                 hpd5 |= DC_HPDx_INT_EN;
2420         }
2421         if (rdev->irq.hpd[5]) {
2422                 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
2423                 hpd6 |= DC_HPDx_INT_EN;
2424         }
2425         if (rdev->irq.afmt[0]) {
2426                 DRM_DEBUG("evergreen_irq_set: hdmi 0\n");
2427                 afmt1 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2428         }
2429         if (rdev->irq.afmt[1]) {
2430                 DRM_DEBUG("evergreen_irq_set: hdmi 1\n");
2431                 afmt2 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2432         }
2433         if (rdev->irq.afmt[2]) {
2434                 DRM_DEBUG("evergreen_irq_set: hdmi 2\n");
2435                 afmt3 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2436         }
2437         if (rdev->irq.afmt[3]) {
2438                 DRM_DEBUG("evergreen_irq_set: hdmi 3\n");
2439                 afmt4 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2440         }
2441         if (rdev->irq.afmt[4]) {
2442                 DRM_DEBUG("evergreen_irq_set: hdmi 4\n");
2443                 afmt5 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2444         }
2445         if (rdev->irq.afmt[5]) {
2446                 DRM_DEBUG("evergreen_irq_set: hdmi 5\n");
2447                 afmt6 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2448         }
2449         if (rdev->irq.gui_idle) {
2450                 DRM_DEBUG("gui idle\n");
2451                 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
2452         }
2453
2454         if (rdev->family >= CHIP_CAYMAN) {
2455                 cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
2456                 cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
2457                 cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
2458         } else
2459                 WREG32(CP_INT_CNTL, cp_int_cntl);
2460         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
2461
2462         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
2463         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
2464         if (rdev->num_crtc >= 4) {
2465                 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
2466                 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
2467         }
2468         if (rdev->num_crtc >= 6) {
2469                 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
2470                 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
2471         }
2472
2473         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
2474         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
2475         if (rdev->num_crtc >= 4) {
2476                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
2477                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
2478         }
2479         if (rdev->num_crtc >= 6) {
2480                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
2481                 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
2482         }
2483
2484         WREG32(DC_HPD1_INT_CONTROL, hpd1);
2485         WREG32(DC_HPD2_INT_CONTROL, hpd2);
2486         WREG32(DC_HPD3_INT_CONTROL, hpd3);
2487         WREG32(DC_HPD4_INT_CONTROL, hpd4);
2488         WREG32(DC_HPD5_INT_CONTROL, hpd5);
2489         WREG32(DC_HPD6_INT_CONTROL, hpd6);
2490
2491         WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, afmt1);
2492         WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, afmt2);
2493         WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, afmt3);
2494         WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, afmt4);
2495         WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
2496         WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
2497
2498         return 0;
2499 }
2500
2501 static void evergreen_irq_ack(struct radeon_device *rdev)
2502 {
2503         u32 tmp;
2504
2505         rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
2506         rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
2507         rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
2508         rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
2509         rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
2510         rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
2511         rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2512         rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2513         if (rdev->num_crtc >= 4) {
2514                 rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2515                 rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2516         }
2517         if (rdev->num_crtc >= 6) {
2518                 rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2519                 rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2520         }
2521
2522         rdev->irq.stat_regs.evergreen.afmt_status1 = RREG32(AFMT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2523         rdev->irq.stat_regs.evergreen.afmt_status2 = RREG32(AFMT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2524         rdev->irq.stat_regs.evergreen.afmt_status3 = RREG32(AFMT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2525         rdev->irq.stat_regs.evergreen.afmt_status4 = RREG32(AFMT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2526         rdev->irq.stat_regs.evergreen.afmt_status5 = RREG32(AFMT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2527         rdev->irq.stat_regs.evergreen.afmt_status6 = RREG32(AFMT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2528
2529         if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
2530                 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2531         if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
2532                 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2533         if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
2534                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
2535         if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
2536                 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
2537         if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
2538                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
2539         if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
2540                 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
2541
2542         if (rdev->num_crtc >= 4) {
2543                 if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
2544                         WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2545                 if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
2546                         WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2547                 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
2548                         WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
2549                 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
2550                         WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
2551                 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
2552                         WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
2553                 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
2554                         WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
2555         }
2556
2557         if (rdev->num_crtc >= 6) {
2558                 if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
2559                         WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2560                 if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
2561                         WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2562                 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
2563                         WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
2564                 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
2565                         WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
2566                 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
2567                         WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
2568                 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
2569                         WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
2570         }
2571
2572         if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2573                 tmp = RREG32(DC_HPD1_INT_CONTROL);
2574                 tmp |= DC_HPDx_INT_ACK;
2575                 WREG32(DC_HPD1_INT_CONTROL, tmp);
2576         }
2577         if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2578                 tmp = RREG32(DC_HPD2_INT_CONTROL);
2579                 tmp |= DC_HPDx_INT_ACK;
2580                 WREG32(DC_HPD2_INT_CONTROL, tmp);
2581         }
2582         if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2583                 tmp = RREG32(DC_HPD3_INT_CONTROL);
2584                 tmp |= DC_HPDx_INT_ACK;
2585                 WREG32(DC_HPD3_INT_CONTROL, tmp);
2586         }
2587         if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2588                 tmp = RREG32(DC_HPD4_INT_CONTROL);
2589                 tmp |= DC_HPDx_INT_ACK;
2590                 WREG32(DC_HPD4_INT_CONTROL, tmp);
2591         }
2592         if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2593                 tmp = RREG32(DC_HPD5_INT_CONTROL);
2594                 tmp |= DC_HPDx_INT_ACK;
2595                 WREG32(DC_HPD5_INT_CONTROL, tmp);
2596         }
2597         if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2598                 tmp = RREG32(DC_HPD5_INT_CONTROL);
2599                 tmp |= DC_HPDx_INT_ACK;
2600                 WREG32(DC_HPD6_INT_CONTROL, tmp);
2601         }
2602         if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2603                 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
2604                 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2605                 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, tmp);
2606         }
2607         if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2608                 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
2609                 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2610                 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, tmp);
2611         }
2612         if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2613                 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
2614                 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2615                 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, tmp);
2616         }
2617         if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2618                 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
2619                 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2620                 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, tmp);
2621         }
2622         if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2623                 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
2624                 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2625                 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, tmp);
2626         }
2627         if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2628                 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2629                 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2630                 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, tmp);
2631         }
2632 }
2633
2634 void evergreen_irq_disable(struct radeon_device *rdev)
2635 {
2636         r600_disable_interrupts(rdev);
2637         /* Wait and acknowledge irq */
2638         mdelay(1);
2639         evergreen_irq_ack(rdev);
2640         evergreen_disable_interrupt_state(rdev);
2641 }
2642
2643 void evergreen_irq_suspend(struct radeon_device *rdev)
2644 {
2645         evergreen_irq_disable(rdev);
2646         r600_rlc_stop(rdev);
2647 }
2648
2649 static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
2650 {
2651         u32 wptr, tmp;
2652
2653         if (rdev->wb.enabled)
2654                 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
2655         else
2656                 wptr = RREG32(IH_RB_WPTR);
2657
2658         if (wptr & RB_OVERFLOW) {
2659                 /* When a ring buffer overflow happen start parsing interrupt
2660                  * from the last not overwritten vector (wptr + 16). Hopefully
2661                  * this should allow us to catchup.
2662                  */
2663                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
2664                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
2665                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
2666                 tmp = RREG32(IH_RB_CNTL);
2667                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
2668                 WREG32(IH_RB_CNTL, tmp);
2669         }
2670         return (wptr & rdev->ih.ptr_mask);
2671 }
2672
2673 int evergreen_irq_process(struct radeon_device *rdev)
2674 {
2675         u32 wptr;
2676         u32 rptr;
2677         u32 src_id, src_data;
2678         u32 ring_index;
2679         bool queue_hotplug = false;
2680         bool queue_hdmi = false;
2681
2682         if (!rdev->ih.enabled || rdev->shutdown)
2683                 return IRQ_NONE;
2684
2685         wptr = evergreen_get_ih_wptr(rdev);
2686
2687 restart_ih:
2688         /* is somebody else already processing irqs? */
2689         if (atomic_xchg(&rdev->ih.lock, 1))
2690                 return IRQ_NONE;
2691
2692         rptr = rdev->ih.rptr;
2693         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
2694
2695         /* Order reading of wptr vs. reading of IH ring data */
2696         rmb();
2697
2698         /* display interrupts */
2699         evergreen_irq_ack(rdev);
2700
2701         while (rptr != wptr) {
2702                 /* wptr/rptr are in bytes! */
2703                 ring_index = rptr / 4;
2704                 src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
2705                 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
2706
2707                 switch (src_id) {
2708                 case 1: /* D1 vblank/vline */
2709                         switch (src_data) {
2710                         case 0: /* D1 vblank */
2711                                 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
2712                                         if (rdev->irq.crtc_vblank_int[0]) {
2713                                                 drm_handle_vblank(rdev->ddev, 0);
2714                                                 rdev->pm.vblank_sync = true;
2715                                                 wake_up(&rdev->irq.vblank_queue);
2716                                         }
2717                                         if (atomic_read(&rdev->irq.pflip[0]))
2718                                                 radeon_crtc_handle_flip(rdev, 0);
2719                                         rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
2720                                         DRM_DEBUG("IH: D1 vblank\n");
2721                                 }
2722                                 break;
2723                         case 1: /* D1 vline */
2724                                 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
2725                                         rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
2726                                         DRM_DEBUG("IH: D1 vline\n");
2727                                 }
2728                                 break;
2729                         default:
2730                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2731                                 break;
2732                         }
2733                         break;
2734                 case 2: /* D2 vblank/vline */
2735                         switch (src_data) {
2736                         case 0: /* D2 vblank */
2737                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
2738                                         if (rdev->irq.crtc_vblank_int[1]) {
2739                                                 drm_handle_vblank(rdev->ddev, 1);
2740                                                 rdev->pm.vblank_sync = true;
2741                                                 wake_up(&rdev->irq.vblank_queue);
2742                                         }
2743                                         if (atomic_read(&rdev->irq.pflip[1]))
2744                                                 radeon_crtc_handle_flip(rdev, 1);
2745                                         rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
2746                                         DRM_DEBUG("IH: D2 vblank\n");
2747                                 }
2748                                 break;
2749                         case 1: /* D2 vline */
2750                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
2751                                         rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
2752                                         DRM_DEBUG("IH: D2 vline\n");
2753                                 }
2754                                 break;
2755                         default:
2756                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2757                                 break;
2758                         }
2759                         break;
2760                 case 3: /* D3 vblank/vline */
2761                         switch (src_data) {
2762                         case 0: /* D3 vblank */
2763                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
2764                                         if (rdev->irq.crtc_vblank_int[2]) {
2765                                                 drm_handle_vblank(rdev->ddev, 2);
2766                                                 rdev->pm.vblank_sync = true;
2767                                                 wake_up(&rdev->irq.vblank_queue);
2768                                         }
2769                                         if (atomic_read(&rdev->irq.pflip[2]))
2770                                                 radeon_crtc_handle_flip(rdev, 2);
2771                                         rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
2772                                         DRM_DEBUG("IH: D3 vblank\n");
2773                                 }
2774                                 break;
2775                         case 1: /* D3 vline */
2776                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
2777                                         rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
2778                                         DRM_DEBUG("IH: D3 vline\n");
2779                                 }
2780                                 break;
2781                         default:
2782                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2783                                 break;
2784                         }
2785                         break;
2786                 case 4: /* D4 vblank/vline */
2787                         switch (src_data) {
2788                         case 0: /* D4 vblank */
2789                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
2790                                         if (rdev->irq.crtc_vblank_int[3]) {
2791                                                 drm_handle_vblank(rdev->ddev, 3);
2792                                                 rdev->pm.vblank_sync = true;
2793                                                 wake_up(&rdev->irq.vblank_queue);
2794                                         }
2795                                         if (atomic_read(&rdev->irq.pflip[3]))
2796                                                 radeon_crtc_handle_flip(rdev, 3);
2797                                         rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
2798                                         DRM_DEBUG("IH: D4 vblank\n");
2799                                 }
2800                                 break;
2801                         case 1: /* D4 vline */
2802                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
2803                                         rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
2804                                         DRM_DEBUG("IH: D4 vline\n");
2805                                 }
2806                                 break;
2807                         default:
2808                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2809                                 break;
2810                         }
2811                         break;
2812                 case 5: /* D5 vblank/vline */
2813                         switch (src_data) {
2814                         case 0: /* D5 vblank */
2815                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
2816                                         if (rdev->irq.crtc_vblank_int[4]) {
2817                                                 drm_handle_vblank(rdev->ddev, 4);
2818                                                 rdev->pm.vblank_sync = true;
2819                                                 wake_up(&rdev->irq.vblank_queue);
2820                                         }
2821                                         if (atomic_read(&rdev->irq.pflip[4]))
2822                                                 radeon_crtc_handle_flip(rdev, 4);
2823                                         rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
2824                                         DRM_DEBUG("IH: D5 vblank\n");
2825                                 }
2826                                 break;
2827                         case 1: /* D5 vline */
2828                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
2829                                         rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
2830                                         DRM_DEBUG("IH: D5 vline\n");
2831                                 }
2832                                 break;
2833                         default:
2834                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2835                                 break;
2836                         }
2837                         break;
2838                 case 6: /* D6 vblank/vline */
2839                         switch (src_data) {
2840                         case 0: /* D6 vblank */
2841                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
2842                                         if (rdev->irq.crtc_vblank_int[5]) {
2843                                                 drm_handle_vblank(rdev->ddev, 5);
2844                                                 rdev->pm.vblank_sync = true;
2845                                                 wake_up(&rdev->irq.vblank_queue);
2846                                         }
2847                                         if (atomic_read(&rdev->irq.pflip[5]))
2848                                                 radeon_crtc_handle_flip(rdev, 5);
2849                                         rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
2850                                         DRM_DEBUG("IH: D6 vblank\n");
2851                                 }
2852                                 break;
2853                         case 1: /* D6 vline */
2854                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
2855                                         rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
2856                                         DRM_DEBUG("IH: D6 vline\n");
2857                                 }
2858                                 break;
2859                         default:
2860                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2861                                 break;
2862                         }
2863                         break;
2864                 case 42: /* HPD hotplug */
2865                         switch (src_data) {
2866                         case 0:
2867                                 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2868                                         rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
2869                                         queue_hotplug = true;
2870                                         DRM_DEBUG("IH: HPD1\n");
2871                                 }
2872                                 break;
2873                         case 1:
2874                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2875                                         rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
2876                                         queue_hotplug = true;
2877                                         DRM_DEBUG("IH: HPD2\n");
2878                                 }
2879                                 break;
2880                         case 2:
2881                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2882                                         rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
2883                                         queue_hotplug = true;
2884                                         DRM_DEBUG("IH: HPD3\n");
2885                                 }
2886                                 break;
2887                         case 3:
2888                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2889                                         rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
2890                                         queue_hotplug = true;
2891                                         DRM_DEBUG("IH: HPD4\n");
2892                                 }
2893                                 break;
2894                         case 4:
2895                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2896                                         rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
2897                                         queue_hotplug = true;
2898                                         DRM_DEBUG("IH: HPD5\n");
2899                                 }
2900                                 break;
2901                         case 5:
2902                                 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2903                                         rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
2904                                         queue_hotplug = true;
2905                                         DRM_DEBUG("IH: HPD6\n");
2906                                 }
2907                                 break;
2908                         default:
2909                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2910                                 break;
2911                         }
2912                         break;
2913                 case 44: /* hdmi */
2914                         switch (src_data) {
2915                         case 0:
2916                                 if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2917                                         rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG;
2918                                         queue_hdmi = true;
2919                                         DRM_DEBUG("IH: HDMI0\n");
2920                                 }
2921                                 break;
2922                         case 1:
2923                                 if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2924                                         rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG;
2925                                         queue_hdmi = true;
2926                                         DRM_DEBUG("IH: HDMI1\n");
2927                                 }
2928                                 break;
2929                         case 2:
2930                                 if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2931                                         rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG;
2932                                         queue_hdmi = true;
2933                                         DRM_DEBUG("IH: HDMI2\n");
2934                                 }
2935                                 break;
2936                         case 3:
2937                                 if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2938                                         rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG;
2939                                         queue_hdmi = true;
2940                                         DRM_DEBUG("IH: HDMI3\n");
2941                                 }
2942                                 break;
2943                         case 4:
2944                                 if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2945                                         rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG;
2946                                         queue_hdmi = true;
2947                                         DRM_DEBUG("IH: HDMI4\n");
2948                                 }
2949                                 break;
2950                         case 5:
2951                                 if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2952                                         rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG;
2953                                         queue_hdmi = true;
2954                                         DRM_DEBUG("IH: HDMI5\n");
2955                                 }
2956                                 break;
2957                         default:
2958                                 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
2959                                 break;
2960                         }
2961                         break;
2962                 case 176: /* CP_INT in ring buffer */
2963                 case 177: /* CP_INT in IB1 */
2964                 case 178: /* CP_INT in IB2 */
2965                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
2966                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2967                         break;
2968                 case 181: /* CP EOP event */
2969                         DRM_DEBUG("IH: CP EOP\n");
2970                         if (rdev->family >= CHIP_CAYMAN) {
2971                                 switch (src_data) {
2972                                 case 0:
2973                                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2974                                         break;
2975                                 case 1:
2976                                         radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2977                                         break;
2978                                 case 2:
2979                                         radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2980                                         break;
2981                                 }
2982                         } else
2983                                 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
2984                         break;
2985                 case 233: /* GUI IDLE */
2986                         DRM_DEBUG("IH: GUI idle\n");
2987                         wake_up(&rdev->irq.idle_queue);
2988                         break;
2989                 default:
2990                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2991                         break;
2992                 }
2993
2994                 /* wptr/rptr are in bytes! */
2995                 rptr += 16;
2996                 rptr &= rdev->ih.ptr_mask;
2997         }
2998         if (queue_hotplug)
2999                 schedule_work(&rdev->hotplug_work);
3000         if (queue_hdmi)
3001                 schedule_work(&rdev->audio_work);
3002         rdev->ih.rptr = rptr;
3003         WREG32(IH_RB_RPTR, rdev->ih.rptr);
3004         atomic_set(&rdev->ih.lock, 0);
3005
3006         /* make sure wptr hasn't changed while processing */
3007         wptr = evergreen_get_ih_wptr(rdev);
3008         if (wptr != rptr)
3009                 goto restart_ih;
3010
3011         return IRQ_HANDLED;
3012 }
3013
3014 static int evergreen_startup(struct radeon_device *rdev)
3015 {
3016         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3017         int r;
3018
3019         /* enable pcie gen2 link */
3020         evergreen_pcie_gen2_enable(rdev);
3021
3022         if (ASIC_IS_DCE5(rdev)) {
3023                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
3024                         r = ni_init_microcode(rdev);
3025                         if (r) {
3026                                 DRM_ERROR("Failed to load firmware!\n");
3027                                 return r;
3028                         }
3029                 }
3030                 r = ni_mc_load_microcode(rdev);
3031                 if (r) {
3032                         DRM_ERROR("Failed to load MC firmware!\n");
3033                         return r;
3034                 }
3035         } else {
3036                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3037                         r = r600_init_microcode(rdev);
3038                         if (r) {
3039                                 DRM_ERROR("Failed to load firmware!\n");
3040                                 return r;
3041                         }
3042                 }
3043         }
3044
3045         r = r600_vram_scratch_init(rdev);
3046         if (r)
3047                 return r;
3048
3049         evergreen_mc_program(rdev);
3050         if (rdev->flags & RADEON_IS_AGP) {
3051                 evergreen_agp_enable(rdev);
3052         } else {
3053                 r = evergreen_pcie_gart_enable(rdev);
3054                 if (r)
3055                         return r;
3056         }
3057         evergreen_gpu_init(rdev);
3058
3059         r = evergreen_blit_init(rdev);
3060         if (r) {
3061                 r600_blit_fini(rdev);
3062                 rdev->asic->copy.copy = NULL;
3063                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
3064         }
3065
3066         /* allocate wb buffer */
3067         r = radeon_wb_init(rdev);
3068         if (r)
3069                 return r;
3070
3071         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3072         if (r) {
3073                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3074                 return r;
3075         }
3076
3077         /* Enable IRQ */
3078         r = r600_irq_init(rdev);
3079         if (r) {
3080                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3081                 radeon_irq_kms_fini(rdev);
3082                 return r;
3083         }
3084         evergreen_irq_set(rdev);
3085
3086         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3087                              R600_CP_RB_RPTR, R600_CP_RB_WPTR,
3088                              0, 0xfffff, RADEON_CP_PACKET2);
3089         if (r)
3090                 return r;
3091         r = evergreen_cp_load_microcode(rdev);
3092         if (r)
3093                 return r;
3094         r = evergreen_cp_resume(rdev);
3095         if (r)
3096                 return r;
3097
3098         r = radeon_ib_pool_init(rdev);
3099         if (r) {
3100                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3101                 return r;
3102         }
3103
3104         r = r600_audio_init(rdev);
3105         if (r) {
3106                 DRM_ERROR("radeon: audio init failed\n");
3107                 return r;
3108         }
3109
3110         return 0;
3111 }
3112
3113 int evergreen_resume(struct radeon_device *rdev)
3114 {
3115         int r;
3116
3117         /* reset the asic, the gfx blocks are often in a bad state
3118          * after the driver is unloaded or after a resume
3119          */
3120         if (radeon_asic_reset(rdev))
3121                 dev_warn(rdev->dev, "GPU reset failed !\n");
3122         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
3123          * posting will perform necessary task to bring back GPU into good
3124          * shape.
3125          */
3126         /* post card */
3127         atom_asic_init(rdev->mode_info.atom_context);
3128
3129         rdev->accel_working = true;
3130         r = evergreen_startup(rdev);
3131         if (r) {
3132                 DRM_ERROR("evergreen startup failed on resume\n");
3133                 rdev->accel_working = false;
3134                 return r;
3135         }
3136
3137         return r;
3138
3139 }
3140
3141 int evergreen_suspend(struct radeon_device *rdev)
3142 {
3143         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3144
3145         r600_audio_fini(rdev);
3146         r700_cp_stop(rdev);
3147         ring->ready = false;
3148         evergreen_irq_suspend(rdev);
3149         radeon_wb_disable(rdev);
3150         evergreen_pcie_gart_disable(rdev);
3151
3152         return 0;
3153 }
3154
3155 /* Plan is to move initialization in that function and use
3156  * helper function so that radeon_device_init pretty much
3157  * do nothing more than calling asic specific function. This
3158  * should also allow to remove a bunch of callback function
3159  * like vram_info.
3160  */
3161 int evergreen_init(struct radeon_device *rdev)
3162 {
3163         int r;
3164
3165         /* Read BIOS */
3166         if (!radeon_get_bios(rdev)) {
3167                 if (ASIC_IS_AVIVO(rdev))
3168                         return -EINVAL;
3169         }
3170         /* Must be an ATOMBIOS */
3171         if (!rdev->is_atom_bios) {
3172                 dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
3173                 return -EINVAL;
3174         }
3175         r = radeon_atombios_init(rdev);
3176         if (r)
3177                 return r;
3178         /* reset the asic, the gfx blocks are often in a bad state
3179          * after the driver is unloaded or after a resume
3180          */
3181         if (radeon_asic_reset(rdev))
3182                 dev_warn(rdev->dev, "GPU reset failed !\n");
3183         /* Post card if necessary */
3184         if (!radeon_card_posted(rdev)) {
3185                 if (!rdev->bios) {
3186                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3187                         return -EINVAL;
3188                 }
3189                 DRM_INFO("GPU not posted. posting now...\n");
3190                 atom_asic_init(rdev->mode_info.atom_context);
3191         }
3192         /* Initialize scratch registers */
3193         r600_scratch_init(rdev);
3194         /* Initialize surface registers */
3195         radeon_surface_init(rdev);
3196         /* Initialize clocks */
3197         radeon_get_clock_info(rdev->ddev);
3198         /* Fence driver */
3199         r = radeon_fence_driver_init(rdev);
3200         if (r)
3201                 return r;
3202         /* initialize AGP */
3203         if (rdev->flags & RADEON_IS_AGP) {
3204                 r = radeon_agp_init(rdev);
3205                 if (r)
3206                         radeon_agp_disable(rdev);
3207         }
3208         /* initialize memory controller */
3209         r = evergreen_mc_init(rdev);
3210         if (r)
3211                 return r;
3212         /* Memory manager */
3213         r = radeon_bo_init(rdev);
3214         if (r)
3215                 return r;
3216
3217         r = radeon_irq_kms_init(rdev);
3218         if (r)
3219                 return r;
3220
3221         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3222         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3223
3224         rdev->ih.ring_obj = NULL;
3225         r600_ih_ring_init(rdev, 64 * 1024);
3226
3227         r = r600_pcie_gart_init(rdev);
3228         if (r)
3229                 return r;
3230
3231         rdev->accel_working = true;
3232         r = evergreen_startup(rdev);
3233         if (r) {
3234                 dev_err(rdev->dev, "disabling GPU acceleration\n");
3235                 r700_cp_fini(rdev);
3236                 r600_irq_fini(rdev);
3237                 radeon_wb_fini(rdev);
3238                 radeon_ib_pool_fini(rdev);
3239                 radeon_irq_kms_fini(rdev);
3240                 evergreen_pcie_gart_fini(rdev);
3241                 rdev->accel_working = false;
3242         }
3243
3244         /* Don't start up if the MC ucode is missing on BTC parts.
3245          * The default clocks and voltages before the MC ucode
3246          * is loaded are not suffient for advanced operations.
3247          */
3248         if (ASIC_IS_DCE5(rdev)) {
3249                 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
3250                         DRM_ERROR("radeon: MC ucode required for NI+.\n");
3251                         return -EINVAL;
3252                 }
3253         }
3254
3255         return 0;
3256 }
3257
3258 void evergreen_fini(struct radeon_device *rdev)
3259 {
3260         r600_audio_fini(rdev);
3261         r600_blit_fini(rdev);
3262         r700_cp_fini(rdev);
3263         r600_irq_fini(rdev);
3264         radeon_wb_fini(rdev);
3265         radeon_ib_pool_fini(rdev);
3266         radeon_irq_kms_fini(rdev);
3267         evergreen_pcie_gart_fini(rdev);
3268         r600_vram_scratch_fini(rdev);
3269         radeon_gem_fini(rdev);
3270         radeon_fence_driver_fini(rdev);
3271         radeon_agp_fini(rdev);
3272         radeon_bo_fini(rdev);
3273         radeon_atombios_fini(rdev);
3274         kfree(rdev->bios);
3275         rdev->bios = NULL;
3276 }
3277
3278 void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
3279 {
3280         u32 link_width_cntl, speed_cntl;
3281
3282         if (radeon_pcie_gen2 == 0)
3283                 return;
3284
3285         if (rdev->flags & RADEON_IS_IGP)
3286                 return;
3287
3288         if (!(rdev->flags & RADEON_IS_PCIE))
3289                 return;
3290
3291         /* x2 cards have a special sequence */
3292         if (ASIC_IS_X2(rdev))
3293                 return;
3294
3295         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3296         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
3297             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3298
3299                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3300                 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3301                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3302
3303                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3304                 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3305                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3306
3307                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3308                 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3309                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3310
3311                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3312                 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3313                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3314
3315                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3316                 speed_cntl |= LC_GEN2_EN_STRAP;
3317                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3318
3319         } else {
3320                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3321                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3322                 if (1)
3323                         link_width_cntl |= LC_UPCONFIGURE_DIS;
3324                 else
3325                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3326                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3327         }
3328 }