drivers/gpu/drm/radeon/r600.c

   1 /*
   2  * Copyright 2008 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  * Copyright 2009 Jerome Glisse.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie
  25  *          Alex Deucher
  26  *          Jerome Glisse
  27  */
  28 #include <linux/slab.h>
  29 #include <linux/seq_file.h>
  30 #include <linux/firmware.h>
  31 #include <linux/platform_device.h>
  32 #include "drmP.h"
  33 #include "radeon_drm.h"
  34 #include "radeon.h"
  35 #include "radeon_asic.h"
  36 #include "radeon_mode.h"
  37 #include "r600d.h"
  38 #include "atom.h"
  39 #include "avivod.h"
  40
  41 #define PFP_UCODE_SIZE 576
  42 #define PM4_UCODE_SIZE 1792
  43 #define RLC_UCODE_SIZE 768
  44 #define R700_PFP_UCODE_SIZE 848
  45 #define R700_PM4_UCODE_SIZE 1360
  46 #define R700_RLC_UCODE_SIZE 1024
  47 #define EVERGREEN_PFP_UCODE_SIZE 1120
  48 #define EVERGREEN_PM4_UCODE_SIZE 1376
  49 #define EVERGREEN_RLC_UCODE_SIZE 768
  50 #define CAYMAN_RLC_UCODE_SIZE 1024
  51
  52 /* Firmware Names */
  53 MODULE_FIRMWARE("radeon/R600_pfp.bin");
  54 MODULE_FIRMWARE("radeon/R600_me.bin");
  55 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  56 MODULE_FIRMWARE("radeon/RV610_me.bin");
  57 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  58 MODULE_FIRMWARE("radeon/RV630_me.bin");
  59 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  60 MODULE_FIRMWARE("radeon/RV620_me.bin");
  61 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  62 MODULE_FIRMWARE("radeon/RV635_me.bin");
  63 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  64 MODULE_FIRMWARE("radeon/RV670_me.bin");
  65 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  66 MODULE_FIRMWARE("radeon/RS780_me.bin");
  67 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  68 MODULE_FIRMWARE("radeon/RV770_me.bin");
  69 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  70 MODULE_FIRMWARE("radeon/RV730_me.bin");
  71 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  72 MODULE_FIRMWARE("radeon/RV710_me.bin");
  73 MODULE_FIRMWARE("radeon/R600_rlc.bin");
  74 MODULE_FIRMWARE("radeon/R700_rlc.bin");
  75 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  76 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  77 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
  78 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  79 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  80 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
  81 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  82 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  83 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
  84 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  85 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  86 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
  87 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  88 MODULE_FIRMWARE("radeon/PALM_me.bin");
  89 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  90 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  91 MODULE_FIRMWARE("radeon/SUMO_me.bin");
  92 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  93 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  94
  95 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
  96
  97 /* r600,rv610,rv630,rv620,rv635,rv670 */
  98 int r600_mc_wait_for_idle(struct radeon_device *rdev);
  99 void r600_gpu_init(struct radeon_device *rdev);
 100 void r600_fini(struct radeon_device *rdev);
 101 void r600_irq_disable(struct radeon_device *rdev);
 102 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 103
 104 /* get temperature in millidegrees */
 105 int rv6xx_get_temp(struct radeon_device *rdev)
 106 {
 107         u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 108                 ASIC_T_SHIFT;
 109         int actual_temp = temp & 0xff;
 110
 111         if (temp & 0x100)
 112                 actual_temp -= 256;
 113
 114         return actual_temp * 1000;
 115 }
 116
 117 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 118 {
 119         int i;
 120
 121         rdev->pm.dynpm_can_upclock = true;
 122         rdev->pm.dynpm_can_downclock = true;
 123
 124         /* power state array is low to high, default is first */
 125         if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 126                 int min_power_state_index = 0;
 127
 128                 if (rdev->pm.num_power_states > 2)
 129                         min_power_state_index = 1;
 130
 131                 switch (rdev->pm.dynpm_planned_action) {
 132                 case DYNPM_ACTION_MINIMUM:
 133                         rdev->pm.requested_power_state_index = min_power_state_index;
 134                         rdev->pm.requested_clock_mode_index = 0;
 135                         rdev->pm.dynpm_can_downclock = false;
 136                         break;
 137                 case DYNPM_ACTION_DOWNCLOCK:
 138                         if (rdev->pm.current_power_state_index == min_power_state_index) {
 139                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 140                                 rdev->pm.dynpm_can_downclock = false;
 141                         } else {
 142                                 if (rdev->pm.active_crtc_count > 1) {
 143                                         for (i = 0; i < rdev->pm.num_power_states; i++) {
 144                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 145                                                         continue;
 146                                                 else if (i >= rdev->pm.current_power_state_index) {
 147                                                         rdev->pm.requested_power_state_index =
 148                                                                 rdev->pm.current_power_state_index;
 149                                                         break;
 150                                                 } else {
 151                                                         rdev->pm.requested_power_state_index = i;
 152                                                         break;
 153                                                 }
 154                                         }
 155                                 } else {
 156                                         if (rdev->pm.current_power_state_index == 0)
 157                                                 rdev->pm.requested_power_state_index =
 158                                                         rdev->pm.num_power_states - 1;
 159                                         else
 160                                                 rdev->pm.requested_power_state_index =
 161                                                         rdev->pm.current_power_state_index - 1;
 162                                 }
 163                         }
 164                         rdev->pm.requested_clock_mode_index = 0;
 165                         /* don't use the power state if crtcs are active and no display flag is set */
 166                         if ((rdev->pm.active_crtc_count > 0) &&
 167                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 168                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 169                              RADEON_PM_MODE_NO_DISPLAY)) {
 170                                 rdev->pm.requested_power_state_index++;
 171                         }
 172                         break;
 173                 case DYNPM_ACTION_UPCLOCK:
 174                         if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 175                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 176                                 rdev->pm.dynpm_can_upclock = false;
 177                         } else {
 178                                 if (rdev->pm.active_crtc_count > 1) {
 179                                         for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 180                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 181                                                         continue;
 182                                                 else if (i <= rdev->pm.current_power_state_index) {
 183                                                         rdev->pm.requested_power_state_index =
 184                                                                 rdev->pm.current_power_state_index;
 185                                                         break;
 186                                                 } else {
 187                                                         rdev->pm.requested_power_state_index = i;
 188                                                         break;
 189                                                 }
 190                                         }
 191                                 } else
 192                                         rdev->pm.requested_power_state_index =
 193                                                 rdev->pm.current_power_state_index + 1;
 194                         }
 195                         rdev->pm.requested_clock_mode_index = 0;
 196                         break;
 197                 case DYNPM_ACTION_DEFAULT:
 198                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 199                         rdev->pm.requested_clock_mode_index = 0;
 200                         rdev->pm.dynpm_can_upclock = false;
 201                         break;
 202                 case DYNPM_ACTION_NONE:
 203                 default:
 204                         DRM_ERROR("Requested mode for not defined action\n");
 205                         return;
 206                 }
 207         } else {
 208                 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
 209                 /* for now just select the first power state and switch between clock modes */
 210                 /* power state array is low to high, default is first (0) */
 211                 if (rdev->pm.active_crtc_count > 1) {
 212                         rdev->pm.requested_power_state_index = -1;
 213                         /* start at 1 as we don't want the default mode */
 214                         for (i = 1; i < rdev->pm.num_power_states; i++) {
 215                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 216                                         continue;
 217                                 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 218                                          (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 219                                         rdev->pm.requested_power_state_index = i;
 220                                         break;
 221                                 }
 222                         }
 223                         /* if nothing selected, grab the default state. */
 224                         if (rdev->pm.requested_power_state_index == -1)
 225                                 rdev->pm.requested_power_state_index = 0;
 226                 } else
 227                         rdev->pm.requested_power_state_index = 1;
 228
 229                 switch (rdev->pm.dynpm_planned_action) {
 230                 case DYNPM_ACTION_MINIMUM:
 231                         rdev->pm.requested_clock_mode_index = 0;
 232                         rdev->pm.dynpm_can_downclock = false;
 233                         break;
 234                 case DYNPM_ACTION_DOWNCLOCK:
 235                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 236                                 if (rdev->pm.current_clock_mode_index == 0) {
 237                                         rdev->pm.requested_clock_mode_index = 0;
 238                                         rdev->pm.dynpm_can_downclock = false;
 239                                 } else
 240                                         rdev->pm.requested_clock_mode_index =
 241                                                 rdev->pm.current_clock_mode_index - 1;
 242                         } else {
 243                                 rdev->pm.requested_clock_mode_index = 0;
 244                                 rdev->pm.dynpm_can_downclock = false;
 245                         }
 246                         /* don't use the power state if crtcs are active and no display flag is set */
 247                         if ((rdev->pm.active_crtc_count > 0) &&
 248                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 249                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 250                              RADEON_PM_MODE_NO_DISPLAY)) {
 251                                 rdev->pm.requested_clock_mode_index++;
 252                         }
 253                         break;
 254                 case DYNPM_ACTION_UPCLOCK:
 255                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 256                                 if (rdev->pm.current_clock_mode_index ==
 257                                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 258                                         rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 259                                         rdev->pm.dynpm_can_upclock = false;
 260                                 } else
 261                                         rdev->pm.requested_clock_mode_index =
 262                                                 rdev->pm.current_clock_mode_index + 1;
 263                         } else {
 264                                 rdev->pm.requested_clock_mode_index =
 265                                         rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 266                                 rdev->pm.dynpm_can_upclock = false;
 267                         }
 268                         break;
 269                 case DYNPM_ACTION_DEFAULT:
 270                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 271                         rdev->pm.requested_clock_mode_index = 0;
 272                         rdev->pm.dynpm_can_upclock = false;
 273                         break;
 274                 case DYNPM_ACTION_NONE:
 275                 default:
 276                         DRM_ERROR("Requested mode for not defined action\n");
 277                         return;
 278                 }
 279         }
 280
 281         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 282                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 283                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 284                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 285                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 286                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 287                   pcie_lanes);
 288 }
 289
 290 static int r600_pm_get_type_index(struct radeon_device *rdev,
 291                                   enum radeon_pm_state_type ps_type,
 292                                   int instance)
 293 {
 294         int i;
 295         int found_instance = -1;
 296
 297         for (i = 0; i < rdev->pm.num_power_states; i++) {
 298                 if (rdev->pm.power_state[i].type == ps_type) {
 299                         found_instance++;
 300                         if (found_instance == instance)
 301                                 return i;
 302                 }
 303         }
 304         /* return default if no match */
 305         return rdev->pm.default_power_state_index;
 306 }
 307
 308 void rs780_pm_init_profile(struct radeon_device *rdev)
 309 {
 310         if (rdev->pm.num_power_states == 2) {
 311                 /* default */
 312                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 313                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 314                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 315                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 316                 /* low sh */
 317                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 318                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 319                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 320                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 321                 /* mid sh */
 322                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 323                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 324                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 325                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 326                 /* high sh */
 327                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 328                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 329                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 330                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 331                 /* low mh */
 332                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 333                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 334                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 335                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 336                 /* mid mh */
 337                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 338                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 339                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 340                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 341                 /* high mh */
 342                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 343                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 344                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 345                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 346         } else if (rdev->pm.num_power_states == 3) {
 347                 /* default */
 348                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 349                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 350                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 351                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 352                 /* low sh */
 353                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 354                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 355                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 356                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 357                 /* mid sh */
 358                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 359                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 360                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 361                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 362                 /* high sh */
 363                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 364                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 365                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 366                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 367                 /* low mh */
 368                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 369                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 370                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 371                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 372                 /* mid mh */
 373                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 374                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 375                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 376                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 377                 /* high mh */
 378                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 379                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 380                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 381                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 382         } else {
 383                 /* default */
 384                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 385                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 386                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 387                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 388                 /* low sh */
 389                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 390                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 391                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 392                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 393                 /* mid sh */
 394                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 395                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 396                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 397                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 398                 /* high sh */
 399                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 400                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 401                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 402                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 403                 /* low mh */
 404                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 405                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 406                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 407                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 408                 /* mid mh */
 409                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 410                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 411                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 412                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 413                 /* high mh */
 414                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 415                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 416                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 417                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 418         }
 419 }
 420
 421 void r600_pm_init_profile(struct radeon_device *rdev)
 422 {
 423         if (rdev->family == CHIP_R600) {
 424                 /* XXX */
 425                 /* default */
 426                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 427                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 428                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 429                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 430                 /* low sh */
 431                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 432                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 433                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 434                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 435                 /* mid sh */
 436                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 437                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 438                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 439                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 440                 /* high sh */
 441                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 442                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 443                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 444                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 445                 /* low mh */
 446                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 447                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 448                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 449                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 450                 /* mid mh */
 451                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 452                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 453                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 454                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 455                 /* high mh */
 456                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 457                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 458                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 459                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 460         } else {
 461                 if (rdev->pm.num_power_states < 4) {
 462                         /* default */
 463                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 464                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 465                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 466                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 467                         /* low sh */
 468                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 469                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 470                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 471                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 472                         /* mid sh */
 473                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 474                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 475                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 476                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 477                         /* high sh */
 478                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 479                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 480                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 481                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 482                         /* low mh */
 483                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 484                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 485                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 486                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 487                         /* low mh */
 488                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 489                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 490                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 491                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 492                         /* high mh */
 493                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 494                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 495                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 496                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 497                 } else {
 498                         /* default */
 499                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 500                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 501                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 502                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 503                         /* low sh */
 504                         if (rdev->flags & RADEON_IS_MOBILITY) {
 505                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
 506                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 507                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
 508                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 509                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 510                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 511                         } else {
 512                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx =
 513                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 514                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx =
 515                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 516                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 517                                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 518                         }
 519                         /* mid sh */
 520                         if (rdev->flags & RADEON_IS_MOBILITY) {
 521                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
 522                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 523                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
 524                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 525                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 526                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 527                         } else {
 528                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx =
 529                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 530                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx =
 531                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 532                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 533                                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 534                         }
 535                         /* high sh */
 536                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx =
 537                                 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 538                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx =
 539                                 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 540                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 541                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 542                         /* low mh */
 543                         if (rdev->flags & RADEON_IS_MOBILITY) {
 544                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
 545                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 546                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
 547                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 548                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 549                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 550                         } else {
 551                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx =
 552                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 553                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx =
 554                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 555                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 556                                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 557                         }
 558                         /* mid mh */
 559                         if (rdev->flags & RADEON_IS_MOBILITY) {
 560                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
 561                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 562                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
 563                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 564                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 565                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 566                         } else {
 567                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx =
 568                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 569                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx =
 570                                         r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 571                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 572                                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 573                         }
 574                         /* high mh */
 575                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx =
 576                                 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 577                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx =
 578                                 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 579                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 580                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 581                 }
 582         }
 583 }
 584
 585 void r600_pm_misc(struct radeon_device *rdev)
 586 {
 587         int req_ps_idx = rdev->pm.requested_power_state_index;
 588         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 589         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 590         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 591
 592         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 593                 /* 0xff01 is a flag rather then an actual voltage */
 594                 if (voltage->voltage == 0xff01)
 595                         return;
 596                 if (voltage->voltage != rdev->pm.current_vddc) {
 597                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 598                         rdev->pm.current_vddc = voltage->voltage;
 599                         DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 600                 }
 601         }
 602 }
 603
 604 bool r600_gui_idle(struct radeon_device *rdev)
 605 {
 606         if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 607                 return false;
 608         else
 609                 return true;
 610 }
 611
 612 /* hpd for digital panel detect/disconnect */
 613 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 614 {
 615         bool connected = false;
 616
 617         if (ASIC_IS_DCE3(rdev)) {
 618                 switch (hpd) {
 619                 case RADEON_HPD_1:
 620                         if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 621                                 connected = true;
 622                         break;
 623                 case RADEON_HPD_2:
 624                         if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 625                                 connected = true;
 626                         break;
 627                 case RADEON_HPD_3:
 628                         if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 629                                 connected = true;
 630                         break;
 631                 case RADEON_HPD_4:
 632                         if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 633                                 connected = true;
 634                         break;
 635                         /* DCE 3.2 */
 636                 case RADEON_HPD_5:
 637                         if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 638                                 connected = true;
 639                         break;
 640                 case RADEON_HPD_6:
 641                         if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 642                                 connected = true;
 643                         break;
 644                 default:
 645                         break;
 646                 }
 647         } else {
 648                 switch (hpd) {
 649                 case RADEON_HPD_1:
 650                         if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 651                                 connected = true;
 652                         break;
 653                 case RADEON_HPD_2:
 654                         if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 655                                 connected = true;
 656                         break;
 657                 case RADEON_HPD_3:
 658                         if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 659                                 connected = true;
 660                         break;
 661                 default:
 662                         break;
 663                 }
 664         }
 665         return connected;
 666 }
 667
 668 void r600_hpd_set_polarity(struct radeon_device *rdev,
 669                            enum radeon_hpd_id hpd)
 670 {
 671         u32 tmp;
 672         bool connected = r600_hpd_sense(rdev, hpd);
 673
 674         if (ASIC_IS_DCE3(rdev)) {
 675                 switch (hpd) {
 676                 case RADEON_HPD_1:
 677                         tmp = RREG32(DC_HPD1_INT_CONTROL);
 678                         if (connected)
 679                                 tmp &= ~DC_HPDx_INT_POLARITY;
 680                         else
 681                                 tmp |= DC_HPDx_INT_POLARITY;
 682                         WREG32(DC_HPD1_INT_CONTROL, tmp);
 683                         break;
 684                 case RADEON_HPD_2:
 685                         tmp = RREG32(DC_HPD2_INT_CONTROL);
 686                         if (connected)
 687                                 tmp &= ~DC_HPDx_INT_POLARITY;
 688                         else
 689                                 tmp |= DC_HPDx_INT_POLARITY;
 690                         WREG32(DC_HPD2_INT_CONTROL, tmp);
 691                         break;
 692                 case RADEON_HPD_3:
 693                         tmp = RREG32(DC_HPD3_INT_CONTROL);
 694                         if (connected)
 695                                 tmp &= ~DC_HPDx_INT_POLARITY;
 696                         else
 697                                 tmp |= DC_HPDx_INT_POLARITY;
 698                         WREG32(DC_HPD3_INT_CONTROL, tmp);
 699                         break;
 700                 case RADEON_HPD_4:
 701                         tmp = RREG32(DC_HPD4_INT_CONTROL);
 702                         if (connected)
 703                                 tmp &= ~DC_HPDx_INT_POLARITY;
 704                         else
 705                                 tmp |= DC_HPDx_INT_POLARITY;
 706                         WREG32(DC_HPD4_INT_CONTROL, tmp);
 707                         break;
 708                 case RADEON_HPD_5:
 709                         tmp = RREG32(DC_HPD5_INT_CONTROL);
 710                         if (connected)
 711                                 tmp &= ~DC_HPDx_INT_POLARITY;
 712                         else
 713                                 tmp |= DC_HPDx_INT_POLARITY;
 714                         WREG32(DC_HPD5_INT_CONTROL, tmp);
 715                         break;
 716                         /* DCE 3.2 */
 717                 case RADEON_HPD_6:
 718                         tmp = RREG32(DC_HPD6_INT_CONTROL);
 719                         if (connected)
 720                                 tmp &= ~DC_HPDx_INT_POLARITY;
 721                         else
 722                                 tmp |= DC_HPDx_INT_POLARITY;
 723                         WREG32(DC_HPD6_INT_CONTROL, tmp);
 724                         break;
 725                 default:
 726                         break;
 727                 }
 728         } else {
 729                 switch (hpd) {
 730                 case RADEON_HPD_1:
 731                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 732                         if (connected)
 733                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 734                         else
 735                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 736                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 737                         break;
 738                 case RADEON_HPD_2:
 739                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 740                         if (connected)
 741                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 742                         else
 743                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 744                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 745                         break;
 746                 case RADEON_HPD_3:
 747                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 748                         if (connected)
 749                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 750                         else
 751                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 752                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 753                         break;
 754                 default:
 755                         break;
 756                 }
 757         }
 758 }
 759
 760 void r600_hpd_init(struct radeon_device *rdev)
 761 {
 762         struct drm_device *dev = rdev->ddev;
 763         struct drm_connector *connector;
 764
 765         if (ASIC_IS_DCE3(rdev)) {
 766                 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 767                 if (ASIC_IS_DCE32(rdev))
 768                         tmp |= DC_HPDx_EN;
 769
 770                 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 771                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 772                         switch (radeon_connector->hpd.hpd) {
 773                         case RADEON_HPD_1:
 774                                 WREG32(DC_HPD1_CONTROL, tmp);
 775                                 rdev->irq.hpd[0] = true;
 776                                 break;
 777                         case RADEON_HPD_2:
 778                                 WREG32(DC_HPD2_CONTROL, tmp);
 779                                 rdev->irq.hpd[1] = true;
 780                                 break;
 781                         case RADEON_HPD_3:
 782                                 WREG32(DC_HPD3_CONTROL, tmp);
 783                                 rdev->irq.hpd[2] = true;
 784                                 break;
 785                         case RADEON_HPD_4:
 786                                 WREG32(DC_HPD4_CONTROL, tmp);
 787                                 rdev->irq.hpd[3] = true;
 788                                 break;
 789                                 /* DCE 3.2 */
 790                         case RADEON_HPD_5:
 791                                 WREG32(DC_HPD5_CONTROL, tmp);
 792                                 rdev->irq.hpd[4] = true;
 793                                 break;
 794                         case RADEON_HPD_6:
 795                                 WREG32(DC_HPD6_CONTROL, tmp);
 796                                 rdev->irq.hpd[5] = true;
 797                                 break;
 798                         default:
 799                                 break;
 800                         }
 801                 }
 802         } else {
 803                 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 804                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 805                         switch (radeon_connector->hpd.hpd) {
 806                         case RADEON_HPD_1:
 807                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 808                                 rdev->irq.hpd[0] = true;
 809                                 break;
 810                         case RADEON_HPD_2:
 811                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 812                                 rdev->irq.hpd[1] = true;
 813                                 break;
 814                         case RADEON_HPD_3:
 815                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 816                                 rdev->irq.hpd[2] = true;
 817                                 break;
 818                         default:
 819                                 break;
 820                         }
 821                 }
 822         }
 823         if (rdev->irq.installed)
 824                 r600_irq_set(rdev);
 825 }
 826
 827 void r600_hpd_fini(struct radeon_device *rdev)
 828 {
 829         struct drm_device *dev = rdev->ddev;
 830         struct drm_connector *connector;
 831
 832         if (ASIC_IS_DCE3(rdev)) {
 833                 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 834                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 835                         switch (radeon_connector->hpd.hpd) {
 836                         case RADEON_HPD_1:
 837                                 WREG32(DC_HPD1_CONTROL, 0);
 838                                 rdev->irq.hpd[0] = false;
 839                                 break;
 840                         case RADEON_HPD_2:
 841                                 WREG32(DC_HPD2_CONTROL, 0);
 842                                 rdev->irq.hpd[1] = false;
 843                                 break;
 844                         case RADEON_HPD_3:
 845                                 WREG32(DC_HPD3_CONTROL, 0);
 846                                 rdev->irq.hpd[2] = false;
 847                                 break;
 848                         case RADEON_HPD_4:
 849                                 WREG32(DC_HPD4_CONTROL, 0);
 850                                 rdev->irq.hpd[3] = false;
 851                                 break;
 852                                 /* DCE 3.2 */
 853                         case RADEON_HPD_5:
 854                                 WREG32(DC_HPD5_CONTROL, 0);
 855                                 rdev->irq.hpd[4] = false;
 856                                 break;
 857                         case RADEON_HPD_6:
 858                                 WREG32(DC_HPD6_CONTROL, 0);
 859                                 rdev->irq.hpd[5] = false;
 860                                 break;
 861                         default:
 862                                 break;
 863                         }
 864                 }
 865         } else {
 866                 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 867                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 868                         switch (radeon_connector->hpd.hpd) {
 869                         case RADEON_HPD_1:
 870                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
 871                                 rdev->irq.hpd[0] = false;
 872                                 break;
 873                         case RADEON_HPD_2:
 874                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
 875                                 rdev->irq.hpd[1] = false;
 876                                 break;
 877                         case RADEON_HPD_3:
 878                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
 879                                 rdev->irq.hpd[2] = false;
 880                                 break;
 881                         default:
 882                                 break;
 883                         }
 884                 }
 885         }
 886 }
 887
 888 /*
 889  * R600 PCIE GART
 890  */
 891 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
 892 {
 893         unsigned i;
 894         u32 tmp;
 895
 896         /* flush hdp cache so updates hit vram */
 897         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
 898             !(rdev->flags & RADEON_IS_AGP)) {
 899                 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
 900                 u32 tmp;
 901
 902                 /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
 903                  * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
 904                  * This seems to cause problems on some AGP cards. Just use the old
 905                  * method for them.
 906                  */
 907                 WREG32(HDP_DEBUG1, 0);
 908                 tmp = readl((void __iomem *)ptr);
 909         } else
 910                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
 911
 912         WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
 913         WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
 914         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 915         for (i = 0; i < rdev->usec_timeout; i++) {
 916                 /* read MC_STATUS */
 917                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 918                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 919                 if (tmp == 2) {
 920                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 921                         return;
 922                 }
 923                 if (tmp) {
 924                         return;
 925                 }
 926                 udelay(1);
 927         }
 928 }
 929
 930 int r600_pcie_gart_init(struct radeon_device *rdev)
 931 {
 932         int r;
 933
 934         if (rdev->gart.table.vram.robj) {
 935                 WARN(1, "R600 PCIE GART already initialized\n");
 936                 return 0;
 937         }
 938         /* Initialize common gart structure */
 939         r = radeon_gart_init(rdev);
 940         if (r)
 941                 return r;
 942         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 943         return radeon_gart_table_vram_alloc(rdev);
 944 }
 945
 946 int r600_pcie_gart_enable(struct radeon_device *rdev)
 947 {
 948         u32 tmp;
 949         int r, i;
 950
 951         if (rdev->gart.table.vram.robj == NULL) {
 952                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 953                 return -EINVAL;
 954         }
 955         r = radeon_gart_table_vram_pin(rdev);
 956         if (r)
 957                 return r;
 958         radeon_gart_restore(rdev);
 959
 960         /* Setup L2 cache */
 961         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 962                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 963                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 964         WREG32(VM_L2_CNTL2, 0);
 965         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
 966         /* Setup TLB control */
 967         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 968                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 969                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
 970                 ENABLE_WAIT_L2_QUERY;
 971         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
 972         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
 973         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
 974         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
 975         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
 976         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
 977         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
 978         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
 979         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
 980         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
 981         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
 982         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
 983         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 984         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 985         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 986         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 987         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 988         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 989                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 990         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 991                         (u32)(rdev->dummy_page.addr >> 12));
 992         for (i = 1; i < 7; i++)
 993                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 994
 995         r600_pcie_gart_tlb_flush(rdev);
 996         rdev->gart.ready = true;
 997         return 0;
 998 }
 999
1000 void r600_pcie_gart_disable(struct radeon_device *rdev)
1001 {
1002         u32 tmp;
1003         int i, r;
1004
1005         /* Disable all tables */
1006         for (i = 0; i < 7; i++)
1007                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1008
1009         /* Disable L2 cache */
1010         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1011                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1012         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1013         /* Setup L1 TLB control */
1014         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1015                 ENABLE_WAIT_L2_QUERY;
1016         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1017         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1018         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1019         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1020         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1021         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1022         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1023         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1024         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
1025         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
1026         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1027         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1028         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
1029         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1030         if (rdev->gart.table.vram.robj) {
1031                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
1032                 if (likely(r == 0)) {
1033                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
1034                         radeon_bo_unpin(rdev->gart.table.vram.robj);
1035                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
1036                 }
1037         }
1038 }
1039
1040 void r600_pcie_gart_fini(struct radeon_device *rdev)
1041 {
1042         radeon_gart_fini(rdev);
1043         r600_pcie_gart_disable(rdev);
1044         radeon_gart_table_vram_free(rdev);
1045 }
1046
1047 void r600_agp_enable(struct radeon_device *rdev)
1048 {
1049         u32 tmp;
1050         int i;
1051
1052         /* Setup L2 cache */
1053         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1054                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1055                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1056         WREG32(VM_L2_CNTL2, 0);
1057         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1058         /* Setup TLB control */
1059         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1060                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1061                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1062                 ENABLE_WAIT_L2_QUERY;
1063         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1064         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1065         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1066         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1067         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1068         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1069         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1070         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1071         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1072         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1073         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1074         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1075         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1076         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1077         for (i = 0; i < 7; i++)
1078                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1079 }
1080
1081 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1082 {
1083         unsigned i;
1084         u32 tmp;
1085
1086         for (i = 0; i < rdev->usec_timeout; i++) {
1087                 /* read MC_STATUS */
1088                 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1089                 if (!tmp)
1090                         return 0;
1091                 udelay(1);
1092         }
1093         return -1;
1094 }
1095
1096 static void r600_mc_program(struct radeon_device *rdev)
1097 {
1098         struct rv515_mc_save save;
1099         u32 tmp;
1100         int i, j;
1101
1102         /* Initialize HDP */
1103         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1104                 WREG32((0x2c14 + j), 0x00000000);
1105                 WREG32((0x2c18 + j), 0x00000000);
1106                 WREG32((0x2c1c + j), 0x00000000);
1107                 WREG32((0x2c20 + j), 0x00000000);
1108                 WREG32((0x2c24 + j), 0x00000000);
1109         }
1110         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1111
1112         rv515_mc_stop(rdev, &save);
1113         if (r600_mc_wait_for_idle(rdev)) {
1114                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1115         }
1116         /* Lockout access through VGA aperture (doesn't exist before R600) */
1117         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1118         /* Update configuration */
1119         if (rdev->flags & RADEON_IS_AGP) {
1120                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1121                         /* VRAM before AGP */
1122                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1123                                 rdev->mc.vram_start >> 12);
1124                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1125                                 rdev->mc.gtt_end >> 12);
1126                 } else {
1127                         /* VRAM after AGP */
1128                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1129                                 rdev->mc.gtt_start >> 12);
1130                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1131                                 rdev->mc.vram_end >> 12);
1132                 }
1133         } else {
1134                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1135                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1136         }
1137         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
1138         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1139         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1140         WREG32(MC_VM_FB_LOCATION, tmp);
1141         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1142         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1143         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1144         if (rdev->flags & RADEON_IS_AGP) {
1145                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1146                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1147                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1148         } else {
1149                 WREG32(MC_VM_AGP_BASE, 0);
1150                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1151                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1152         }
1153         if (r600_mc_wait_for_idle(rdev)) {
1154                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1155         }
1156         rv515_mc_resume(rdev, &save);
1157         /* we need to own VRAM, so turn off the VGA renderer here
1158          * to stop it overwriting our objects */
1159         rv515_vga_render_disable(rdev);
1160 }
1161
1162 /**
1163  * r600_vram_gtt_location - try to find VRAM & GTT location
1164  * @rdev: radeon device structure holding all necessary informations
1165  * @mc: memory controller structure holding memory informations
1166  *
1167  * Function will place try to place VRAM at same place as in CPU (PCI)
1168  * address space as some GPU seems to have issue when we reprogram at
1169  * different address space.
1170  *
1171  * If there is not enough space to fit the unvisible VRAM after the
1172  * aperture then we limit the VRAM size to the aperture.
1173  *
1174  * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1175  * them to be in one from GPU point of view so that we can program GPU to
1176  * catch access outside them (weird GPU policy see ??).
1177  *
1178  * This function will never fails, worst case are limiting VRAM or GTT.
1179  *
1180  * Note: GTT start, end, size should be initialized before calling this
1181  * function on AGP platform.
1182  */
1183 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1184 {
1185         u64 size_bf, size_af;
1186
1187         if (mc->mc_vram_size > 0xE0000000) {
1188                 /* leave room for at least 512M GTT */
1189                 dev_warn(rdev->dev, "limiting VRAM\n");
1190                 mc->real_vram_size = 0xE0000000;
1191                 mc->mc_vram_size = 0xE0000000;
1192         }
1193         if (rdev->flags & RADEON_IS_AGP) {
1194                 size_bf = mc->gtt_start;
1195                 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1196                 if (size_bf > size_af) {
1197                         if (mc->mc_vram_size > size_bf) {
1198                                 dev_warn(rdev->dev, "limiting VRAM\n");
1199                                 mc->real_vram_size = size_bf;
1200                                 mc->mc_vram_size = size_bf;
1201                         }
1202                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1203                 } else {
1204                         if (mc->mc_vram_size > size_af) {
1205                                 dev_warn(rdev->dev, "limiting VRAM\n");
1206                                 mc->real_vram_size = size_af;
1207                                 mc->mc_vram_size = size_af;
1208                         }
1209                         mc->vram_start = mc->gtt_end;
1210                 }
1211                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1212                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1213                                 mc->mc_vram_size >> 20, mc->vram_start,
1214                                 mc->vram_end, mc->real_vram_size >> 20);
1215         } else {
1216                 u64 base = 0;
1217                 if (rdev->flags & RADEON_IS_IGP) {
1218                         base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1219                         base <<= 24;
1220                 }
1221                 radeon_vram_location(rdev, &rdev->mc, base);
1222                 rdev->mc.gtt_base_align = 0;
1223                 radeon_gtt_location(rdev, mc);
1224         }
1225 }
1226
1227 int r600_mc_init(struct radeon_device *rdev)
1228 {
1229         u32 tmp;
1230         int chansize, numchan;
1231
1232         /* Get VRAM informations */
1233         rdev->mc.vram_is_ddr = true;
1234         tmp = RREG32(RAMCFG);
1235         if (tmp & CHANSIZE_OVERRIDE) {
1236                 chansize = 16;
1237         } else if (tmp & CHANSIZE_MASK) {
1238                 chansize = 64;
1239         } else {
1240                 chansize = 32;
1241         }
1242         tmp = RREG32(CHMAP);
1243         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1244         case 0:
1245         default:
1246                 numchan = 1;
1247                 break;
1248         case 1:
1249                 numchan = 2;
1250                 break;
1251         case 2:
1252                 numchan = 4;
1253                 break;
1254         case 3:
1255                 numchan = 8;
1256                 break;
1257         }
1258         rdev->mc.vram_width = numchan * chansize;
1259         /* Could aper size report 0 ? */
1260         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1261         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1262         /* Setup GPU memory space */
1263         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1264         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1265         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1266         r600_vram_gtt_location(rdev, &rdev->mc);
1267
1268         if (rdev->flags & RADEON_IS_IGP) {
1269                 rs690_pm_info(rdev);
1270                 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1271         }
1272         radeon_update_bandwidth_info(rdev);
1273         return 0;
1274 }
1275
1276 /* We doesn't check that the GPU really needs a reset we simply do the
1277  * reset, it's up to the caller to determine if the GPU needs one. We
1278  * might add an helper function to check that.
1279  */
1280 int r600_gpu_soft_reset(struct radeon_device *rdev)
1281 {
1282         struct rv515_mc_save save;
1283         u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
1284                                 S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
1285                                 S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
1286                                 S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) |
1287                                 S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) |
1288                                 S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) |
1289                                 S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) |
1290                                 S_008010_GUI_ACTIVE(1);
1291         u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) |
1292                         S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) |
1293                         S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) |
1294                         S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) |
1295                         S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) |
1296                         S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
1297                         S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
1298                         S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
1299         u32 tmp;
1300
1301         if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1302                 return 0;
1303
1304         dev_info(rdev->dev, "GPU softreset \n");
1305         dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
1306                 RREG32(R_008010_GRBM_STATUS));
1307         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
1308                 RREG32(R_008014_GRBM_STATUS2));
1309         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
1310                 RREG32(R_000E50_SRBM_STATUS));
1311         rv515_mc_stop(rdev, &save);
1312         if (r600_mc_wait_for_idle(rdev)) {
1313                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1314         }
1315         /* Disable CP parsing/prefetching */
1316         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1317         /* Check if any of the rendering block is busy and reset it */
1318         if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
1319             (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
1320                 tmp = S_008020_SOFT_RESET_CR(1) |
1321                         S_008020_SOFT_RESET_DB(1) |
1322                         S_008020_SOFT_RESET_CB(1) |
1323                         S_008020_SOFT_RESET_PA(1) |
1324                         S_008020_SOFT_RESET_SC(1) |
1325                         S_008020_SOFT_RESET_SMX(1) |
1326                         S_008020_SOFT_RESET_SPI(1) |
1327                         S_008020_SOFT_RESET_SX(1) |
1328                         S_008020_SOFT_RESET_SH(1) |
1329                         S_008020_SOFT_RESET_TC(1) |
1330                         S_008020_SOFT_RESET_TA(1) |
1331                         S_008020_SOFT_RESET_VC(1) |
1332                         S_008020_SOFT_RESET_VGT(1);
1333                 dev_info(rdev->dev, "  R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1334                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1335                 RREG32(R_008020_GRBM_SOFT_RESET);
1336                 mdelay(15);
1337                 WREG32(R_008020_GRBM_SOFT_RESET, 0);
1338         }
1339         /* Reset CP (we always reset CP) */
1340         tmp = S_008020_SOFT_RESET_CP(1);
1341         dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1342         WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1343         RREG32(R_008020_GRBM_SOFT_RESET);
1344         mdelay(15);
1345         WREG32(R_008020_GRBM_SOFT_RESET, 0);
1346         /* Wait a little for things to settle down */
1347         mdelay(1);
1348         dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
1349                 RREG32(R_008010_GRBM_STATUS));
1350         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
1351                 RREG32(R_008014_GRBM_STATUS2));
1352         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
1353                 RREG32(R_000E50_SRBM_STATUS));
1354         rv515_mc_resume(rdev, &save);
1355         return 0;
1356 }
1357
1358 bool r600_gpu_is_lockup(struct radeon_device *rdev)
1359 {
1360         u32 srbm_status;
1361         u32 grbm_status;
1362         u32 grbm_status2;
1363         struct r100_gpu_lockup *lockup;
1364         int r;
1365
1366         if (rdev->family >= CHIP_RV770)
1367                 lockup = &rdev->config.rv770.lockup;
1368         else
1369                 lockup = &rdev->config.r600.lockup;
1370
1371         srbm_status = RREG32(R_000E50_SRBM_STATUS);
1372         grbm_status = RREG32(R_008010_GRBM_STATUS);
1373         grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
1374         if (!G_008010_GUI_ACTIVE(grbm_status)) {
1375                 r100_gpu_lockup_update(lockup, &rdev->cp);
1376                 return false;
1377         }
1378         /* force CP activities */
1379         r = radeon_ring_lock(rdev, 2);
1380         if (!r) {
1381                 /* PACKET2 NOP */
1382                 radeon_ring_write(rdev, 0x80000000);
1383                 radeon_ring_write(rdev, 0x80000000);
1384                 radeon_ring_unlock_commit(rdev);
1385         }
1386         rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
1387         return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1388 }
1389
1390 int r600_asic_reset(struct radeon_device *rdev)
1391 {
1392         return r600_gpu_soft_reset(rdev);
1393 }
1394
1395 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
1396                                              u32 num_backends,
1397                                              u32 backend_disable_mask)
1398 {
1399         u32 backend_map = 0;
1400         u32 enabled_backends_mask;
1401         u32 enabled_backends_count;
1402         u32 cur_pipe;
1403         u32 swizzle_pipe[R6XX_MAX_PIPES];
1404         u32 cur_backend;
1405         u32 i;
1406
1407         if (num_tile_pipes > R6XX_MAX_PIPES)
1408                 num_tile_pipes = R6XX_MAX_PIPES;
1409         if (num_tile_pipes < 1)
1410                 num_tile_pipes = 1;
1411         if (num_backends > R6XX_MAX_BACKENDS)
1412                 num_backends = R6XX_MAX_BACKENDS;
1413         if (num_backends < 1)
1414                 num_backends = 1;
1415
1416         enabled_backends_mask = 0;
1417         enabled_backends_count = 0;
1418         for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
1419                 if (((backend_disable_mask >> i) & 1) == 0) {
1420                         enabled_backends_mask |= (1 << i);
1421                         ++enabled_backends_count;
1422                 }
1423                 if (enabled_backends_count == num_backends)
1424                         break;
1425         }
1426
1427         if (enabled_backends_count == 0) {
1428                 enabled_backends_mask = 1;
1429                 enabled_backends_count = 1;
1430         }
1431
1432         if (enabled_backends_count != num_backends)
1433                 num_backends = enabled_backends_count;
1434
1435         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
1436         switch (num_tile_pipes) {
1437         case 1:
1438                 swizzle_pipe[0] = 0;
1439                 break;
1440         case 2:
1441                 swizzle_pipe[0] = 0;
1442                 swizzle_pipe[1] = 1;
1443                 break;
1444         case 3:
1445                 swizzle_pipe[0] = 0;
1446                 swizzle_pipe[1] = 1;
1447                 swizzle_pipe[2] = 2;
1448                 break;
1449         case 4:
1450                 swizzle_pipe[0] = 0;
1451                 swizzle_pipe[1] = 1;
1452                 swizzle_pipe[2] = 2;
1453                 swizzle_pipe[3] = 3;
1454                 break;
1455         case 5:
1456                 swizzle_pipe[0] = 0;
1457                 swizzle_pipe[1] = 1;
1458                 swizzle_pipe[2] = 2;
1459                 swizzle_pipe[3] = 3;
1460                 swizzle_pipe[4] = 4;
1461                 break;
1462         case 6:
1463                 swizzle_pipe[0] = 0;
1464                 swizzle_pipe[1] = 2;
1465                 swizzle_pipe[2] = 4;
1466                 swizzle_pipe[3] = 5;
1467                 swizzle_pipe[4] = 1;
1468                 swizzle_pipe[5] = 3;
1469                 break;
1470         case 7:
1471                 swizzle_pipe[0] = 0;
1472                 swizzle_pipe[1] = 2;
1473                 swizzle_pipe[2] = 4;
1474                 swizzle_pipe[3] = 6;
1475                 swizzle_pipe[4] = 1;
1476                 swizzle_pipe[5] = 3;
1477                 swizzle_pipe[6] = 5;
1478                 break;
1479         case 8:
1480                 swizzle_pipe[0] = 0;
1481                 swizzle_pipe[1] = 2;
1482                 swizzle_pipe[2] = 4;
1483                 swizzle_pipe[3] = 6;
1484                 swizzle_pipe[4] = 1;
1485                 swizzle_pipe[5] = 3;
1486                 swizzle_pipe[6] = 5;
1487                 swizzle_pipe[7] = 7;
1488                 break;
1489         }
1490
1491         cur_backend = 0;
1492         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1493                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
1494                         cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1495
1496                 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1497
1498                 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1499         }
1500
1501         return backend_map;
1502 }
1503
1504 int r600_count_pipe_bits(uint32_t val)
1505 {
1506         int i, ret = 0;
1507
1508         for (i = 0; i < 32; i++) {
1509                 ret += val & 1;
1510                 val >>= 1;
1511         }
1512         return ret;
1513 }
1514
1515 void r600_gpu_init(struct radeon_device *rdev)
1516 {
1517         u32 tiling_config;
1518         u32 ramcfg;
1519         u32 backend_map;
1520         u32 cc_rb_backend_disable;
1521         u32 cc_gc_shader_pipe_config;
1522         u32 tmp;
1523         int i, j;
1524         u32 sq_config;
1525         u32 sq_gpr_resource_mgmt_1 = 0;
1526         u32 sq_gpr_resource_mgmt_2 = 0;
1527         u32 sq_thread_resource_mgmt = 0;
1528         u32 sq_stack_resource_mgmt_1 = 0;
1529         u32 sq_stack_resource_mgmt_2 = 0;
1530
1531         /* FIXME: implement */
1532         switch (rdev->family) {
1533         case CHIP_R600:
1534                 rdev->config.r600.max_pipes = 4;
1535                 rdev->config.r600.max_tile_pipes = 8;
1536                 rdev->config.r600.max_simds = 4;
1537                 rdev->config.r600.max_backends = 4;
1538                 rdev->config.r600.max_gprs = 256;
1539                 rdev->config.r600.max_threads = 192;
1540                 rdev->config.r600.max_stack_entries = 256;
1541                 rdev->config.r600.max_hw_contexts = 8;
1542                 rdev->config.r600.max_gs_threads = 16;
1543                 rdev->config.r600.sx_max_export_size = 128;
1544                 rdev->config.r600.sx_max_export_pos_size = 16;
1545                 rdev->config.r600.sx_max_export_smx_size = 128;
1546                 rdev->config.r600.sq_num_cf_insts = 2;
1547                 break;
1548         case CHIP_RV630:
1549         case CHIP_RV635:
1550                 rdev->config.r600.max_pipes = 2;
1551                 rdev->config.r600.max_tile_pipes = 2;
1552                 rdev->config.r600.max_simds = 3;
1553                 rdev->config.r600.max_backends = 1;
1554                 rdev->config.r600.max_gprs = 128;
1555                 rdev->config.r600.max_threads = 192;
1556                 rdev->config.r600.max_stack_entries = 128;
1557                 rdev->config.r600.max_hw_contexts = 8;
1558                 rdev->config.r600.max_gs_threads = 4;
1559                 rdev->config.r600.sx_max_export_size = 128;
1560                 rdev->config.r600.sx_max_export_pos_size = 16;
1561                 rdev->config.r600.sx_max_export_smx_size = 128;
1562                 rdev->config.r600.sq_num_cf_insts = 2;
1563                 break;
1564         case CHIP_RV610:
1565         case CHIP_RV620:
1566         case CHIP_RS780:
1567         case CHIP_RS880:
1568                 rdev->config.r600.max_pipes = 1;
1569                 rdev->config.r600.max_tile_pipes = 1;
1570                 rdev->config.r600.max_simds = 2;
1571                 rdev->config.r600.max_backends = 1;
1572                 rdev->config.r600.max_gprs = 128;
1573                 rdev->config.r600.max_threads = 192;
1574                 rdev->config.r600.max_stack_entries = 128;
1575                 rdev->config.r600.max_hw_contexts = 4;
1576                 rdev->config.r600.max_gs_threads = 4;
1577                 rdev->config.r600.sx_max_export_size = 128;
1578                 rdev->config.r600.sx_max_export_pos_size = 16;
1579                 rdev->config.r600.sx_max_export_smx_size = 128;
1580                 rdev->config.r600.sq_num_cf_insts = 1;
1581                 break;
1582         case CHIP_RV670:
1583                 rdev->config.r600.max_pipes = 4;
1584                 rdev->config.r600.max_tile_pipes = 4;
1585                 rdev->config.r600.max_simds = 4;
1586                 rdev->config.r600.max_backends = 4;
1587                 rdev->config.r600.max_gprs = 192;
1588                 rdev->config.r600.max_threads = 192;
1589                 rdev->config.r600.max_stack_entries = 256;
1590                 rdev->config.r600.max_hw_contexts = 8;
1591                 rdev->config.r600.max_gs_threads = 16;
1592                 rdev->config.r600.sx_max_export_size = 128;
1593                 rdev->config.r600.sx_max_export_pos_size = 16;
1594                 rdev->config.r600.sx_max_export_smx_size = 128;
1595                 rdev->config.r600.sq_num_cf_insts = 2;
1596                 break;
1597         default:
1598                 break;
1599         }
1600
1601         /* Initialize HDP */
1602         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1603                 WREG32((0x2c14 + j), 0x00000000);
1604                 WREG32((0x2c18 + j), 0x00000000);
1605                 WREG32((0x2c1c + j), 0x00000000);
1606                 WREG32((0x2c20 + j), 0x00000000);
1607                 WREG32((0x2c24 + j), 0x00000000);
1608         }
1609
1610         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1611
1612         /* Setup tiling */
1613         tiling_config = 0;
1614         ramcfg = RREG32(RAMCFG);
1615         switch (rdev->config.r600.max_tile_pipes) {
1616         case 1:
1617                 tiling_config |= PIPE_TILING(0);
1618                 break;
1619         case 2:
1620                 tiling_config |= PIPE_TILING(1);
1621                 break;
1622         case 4:
1623                 tiling_config |= PIPE_TILING(2);
1624                 break;
1625         case 8:
1626                 tiling_config |= PIPE_TILING(3);
1627                 break;
1628         default:
1629                 break;
1630         }
1631         rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1632         rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1633         tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1634         tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1635         if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
1636                 rdev->config.r600.tiling_group_size = 512;
1637         else
1638                 rdev->config.r600.tiling_group_size = 256;
1639         tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1640         if (tmp > 3) {
1641                 tiling_config |= ROW_TILING(3);
1642                 tiling_config |= SAMPLE_SPLIT(3);
1643         } else {
1644                 tiling_config |= ROW_TILING(tmp);
1645                 tiling_config |= SAMPLE_SPLIT(tmp);
1646         }
1647         tiling_config |= BANK_SWAPS(1);
1648
1649         cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1650         cc_rb_backend_disable |=
1651                 BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
1652
1653         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1654         cc_gc_shader_pipe_config |=
1655                 INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
1656         cc_gc_shader_pipe_config |=
1657                 INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
1658
1659         backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
1660                                                         (R6XX_MAX_BACKENDS -
1661                                                          r600_count_pipe_bits((cc_rb_backend_disable &
1662                                                                                R6XX_MAX_BACKENDS_MASK) >> 16)),
1663                                                         (cc_rb_backend_disable >> 16));
1664         rdev->config.r600.tile_config = tiling_config;
1665         tiling_config |= BACKEND_MAP(backend_map);
1666         WREG32(GB_TILING_CONFIG, tiling_config);
1667         WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1668         WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1669
1670         /* Setup pipes */
1671         WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1672         WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1673         WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1674
1675         tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1676         WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1677         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1678
1679         /* Setup some CP states */
1680         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1681         WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1682
1683         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1684                              SYNC_WALKER | SYNC_ALIGNER));
1685         /* Setup various GPU states */
1686         if (rdev->family == CHIP_RV670)
1687                 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1688
1689         tmp = RREG32(SX_DEBUG_1);
1690         tmp |= SMX_EVENT_RELEASE;
1691         if ((rdev->family > CHIP_R600))
1692                 tmp |= ENABLE_NEW_SMX_ADDRESS;
1693         WREG32(SX_DEBUG_1, tmp);
1694
1695         if (((rdev->family) == CHIP_R600) ||
1696             ((rdev->family) == CHIP_RV630) ||
1697             ((rdev->family) == CHIP_RV610) ||
1698             ((rdev->family) == CHIP_RV620) ||
1699             ((rdev->family) == CHIP_RS780) ||
1700             ((rdev->family) == CHIP_RS880)) {
1701                 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1702         } else {
1703                 WREG32(DB_DEBUG, 0);
1704         }
1705         WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1706                                DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1707
1708         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1709         WREG32(VGT_NUM_INSTANCES, 0);
1710
1711         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1712         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1713
1714         tmp = RREG32(SQ_MS_FIFO_SIZES);
1715         if (((rdev->family) == CHIP_RV610) ||
1716             ((rdev->family) == CHIP_RV620) ||
1717             ((rdev->family) == CHIP_RS780) ||
1718             ((rdev->family) == CHIP_RS880)) {
1719                 tmp = (CACHE_FIFO_SIZE(0xa) |
1720                        FETCH_FIFO_HIWATER(0xa) |
1721                        DONE_FIFO_HIWATER(0xe0) |
1722                        ALU_UPDATE_FIFO_HIWATER(0x8));
1723         } else if (((rdev->family) == CHIP_R600) ||
1724                    ((rdev->family) == CHIP_RV630)) {
1725                 tmp &= ~DONE_FIFO_HIWATER(0xff);
1726                 tmp |= DONE_FIFO_HIWATER(0x4);
1727         }
1728         WREG32(SQ_MS_FIFO_SIZES, tmp);
1729
1730         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1731          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1732          */
1733         sq_config = RREG32(SQ_CONFIG);
1734         sq_config &= ~(PS_PRIO(3) |
1735                        VS_PRIO(3) |
1736                        GS_PRIO(3) |
1737                        ES_PRIO(3));
1738         sq_config |= (DX9_CONSTS |
1739                       VC_ENABLE |
1740                       PS_PRIO(0) |
1741                       VS_PRIO(1) |
1742                       GS_PRIO(2) |
1743                       ES_PRIO(3));
1744
1745         if ((rdev->family) == CHIP_R600) {
1746                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1747                                           NUM_VS_GPRS(124) |
1748                                           NUM_CLAUSE_TEMP_GPRS(4));
1749                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1750                                           NUM_ES_GPRS(0));
1751                 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1752                                            NUM_VS_THREADS(48) |
1753                                            NUM_GS_THREADS(4) |
1754                                            NUM_ES_THREADS(4));
1755                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1756                                             NUM_VS_STACK_ENTRIES(128));
1757                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1758                                             NUM_ES_STACK_ENTRIES(0));
1759         } else if (((rdev->family) == CHIP_RV610) ||
1760                    ((rdev->family) == CHIP_RV620) ||
1761                    ((rdev->family) == CHIP_RS780) ||
1762                    ((rdev->family) == CHIP_RS880)) {
1763                 /* no vertex cache */
1764                 sq_config &= ~VC_ENABLE;
1765
1766                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1767                                           NUM_VS_GPRS(44) |
1768                                           NUM_CLAUSE_TEMP_GPRS(2));
1769                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1770                                           NUM_ES_GPRS(17));
1771                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1772                                            NUM_VS_THREADS(78) |
1773                                            NUM_GS_THREADS(4) |
1774                                            NUM_ES_THREADS(31));
1775                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1776                                             NUM_VS_STACK_ENTRIES(40));
1777                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1778                                             NUM_ES_STACK_ENTRIES(16));
1779         } else if (((rdev->family) == CHIP_RV630) ||
1780                    ((rdev->family) == CHIP_RV635)) {
1781                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1782                                           NUM_VS_GPRS(44) |
1783                                           NUM_CLAUSE_TEMP_GPRS(2));
1784                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1785                                           NUM_ES_GPRS(18));
1786                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1787                                            NUM_VS_THREADS(78) |
1788                                            NUM_GS_THREADS(4) |
1789                                            NUM_ES_THREADS(31));
1790                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1791                                             NUM_VS_STACK_ENTRIES(40));
1792                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1793                                             NUM_ES_STACK_ENTRIES(16));
1794         } else if ((rdev->family) == CHIP_RV670) {
1795                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1796                                           NUM_VS_GPRS(44) |
1797                                           NUM_CLAUSE_TEMP_GPRS(2));
1798                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1799                                           NUM_ES_GPRS(17));
1800                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1801                                            NUM_VS_THREADS(78) |
1802                                            NUM_GS_THREADS(4) |
1803                                            NUM_ES_THREADS(31));
1804                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1805                                             NUM_VS_STACK_ENTRIES(64));
1806                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1807                                             NUM_ES_STACK_ENTRIES(64));
1808         }
1809
1810         WREG32(SQ_CONFIG, sq_config);
1811         WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
1812         WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
1813         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1814         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1815         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1816
1817         if (((rdev->family) == CHIP_RV610) ||
1818             ((rdev->family) == CHIP_RV620) ||
1819             ((rdev->family) == CHIP_RS780) ||
1820             ((rdev->family) == CHIP_RS880)) {
1821                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
1822         } else {
1823                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
1824         }
1825
1826         /* More default values. 2D/3D driver should adjust as needed */
1827         WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
1828                                          S1_X(0x4) | S1_Y(0xc)));
1829         WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
1830                                          S1_X(0x2) | S1_Y(0x2) |
1831                                          S2_X(0xa) | S2_Y(0x6) |
1832                                          S3_X(0x6) | S3_Y(0xa)));
1833         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
1834                                              S1_X(0x4) | S1_Y(0xc) |
1835                                              S2_X(0x1) | S2_Y(0x6) |
1836                                              S3_X(0xa) | S3_Y(0xe)));
1837         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
1838                                              S5_X(0x0) | S5_Y(0x0) |
1839                                              S6_X(0xb) | S6_Y(0x4) |
1840                                              S7_X(0x7) | S7_Y(0x8)));
1841
1842         WREG32(VGT_STRMOUT_EN, 0);
1843         tmp = rdev->config.r600.max_pipes * 16;
1844         switch (rdev->family) {
1845         case CHIP_RV610:
1846         case CHIP_RV620:
1847         case CHIP_RS780:
1848         case CHIP_RS880:
1849                 tmp += 32;
1850                 break;
1851         case CHIP_RV670:
1852                 tmp += 128;
1853                 break;
1854         default:
1855                 break;
1856         }
1857         if (tmp > 256) {
1858                 tmp = 256;
1859         }
1860         WREG32(VGT_ES_PER_GS, 128);
1861         WREG32(VGT_GS_PER_ES, tmp);
1862         WREG32(VGT_GS_PER_VS, 2);
1863         WREG32(VGT_GS_VERTEX_REUSE, 16);
1864
1865         /* more default values. 2D/3D driver should adjust as needed */
1866         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1867         WREG32(VGT_STRMOUT_EN, 0);
1868         WREG32(SX_MISC, 0);
1869         WREG32(PA_SC_MODE_CNTL, 0);
1870         WREG32(PA_SC_AA_CONFIG, 0);
1871         WREG32(PA_SC_LINE_STIPPLE, 0);
1872         WREG32(SPI_INPUT_Z, 0);
1873         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1874         WREG32(CB_COLOR7_FRAG, 0);
1875
1876         /* Clear render buffer base addresses */
1877         WREG32(CB_COLOR0_BASE, 0);
1878         WREG32(CB_COLOR1_BASE, 0);
1879         WREG32(CB_COLOR2_BASE, 0);
1880         WREG32(CB_COLOR3_BASE, 0);
1881         WREG32(CB_COLOR4_BASE, 0);
1882         WREG32(CB_COLOR5_BASE, 0);
1883         WREG32(CB_COLOR6_BASE, 0);
1884         WREG32(CB_COLOR7_BASE, 0);
1885         WREG32(CB_COLOR7_FRAG, 0);
1886
1887         switch (rdev->family) {
1888         case CHIP_RV610:
1889         case CHIP_RV620:
1890         case CHIP_RS780:
1891         case CHIP_RS880:
1892                 tmp = TC_L2_SIZE(8);
1893                 break;
1894         case CHIP_RV630:
1895         case CHIP_RV635:
1896                 tmp = TC_L2_SIZE(4);
1897                 break;
1898         case CHIP_R600:
1899                 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
1900                 break;
1901         default:
1902                 tmp = TC_L2_SIZE(0);
1903                 break;
1904         }
1905         WREG32(TC_CNTL, tmp);
1906
1907         tmp = RREG32(HDP_HOST_PATH_CNTL);
1908         WREG32(HDP_HOST_PATH_CNTL, tmp);
1909
1910         tmp = RREG32(ARB_POP);
1911         tmp |= ENABLE_TC128;
1912         WREG32(ARB_POP, tmp);
1913
1914         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1915         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1916                                NUM_CLIP_SEQ(3)));
1917         WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
1918 }
1919
1920
1921 /*
1922  * Indirect registers accessor
1923  */
1924 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
1925 {
1926         u32 r;
1927
1928         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1929         (void)RREG32(PCIE_PORT_INDEX);
1930         r = RREG32(PCIE_PORT_DATA);
1931         return r;
1932 }
1933
1934 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1935 {
1936         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1937         (void)RREG32(PCIE_PORT_INDEX);
1938         WREG32(PCIE_PORT_DATA, (v));
1939         (void)RREG32(PCIE_PORT_DATA);
1940 }
1941
1942 /*
1943  * CP & Ring
1944  */
1945 void r600_cp_stop(struct radeon_device *rdev)
1946 {
1947         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1948         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1949         WREG32(SCRATCH_UMSK, 0);
1950 }
1951
1952 int r600_init_microcode(struct radeon_device *rdev)
1953 {
1954         struct platform_device *pdev;
1955         const char *chip_name;
1956         const char *rlc_chip_name;
1957         size_t pfp_req_size, me_req_size, rlc_req_size;
1958         char fw_name[30];
1959         int err;
1960
1961         DRM_DEBUG("\n");
1962
1963         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
1964         err = IS_ERR(pdev);
1965         if (err) {
1966                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1967                 return -EINVAL;
1968         }
1969
1970         switch (rdev->family) {
1971         case CHIP_R600:
1972                 chip_name = "R600";
1973                 rlc_chip_name = "R600";
1974                 break;
1975         case CHIP_RV610:
1976                 chip_name = "RV610";
1977                 rlc_chip_name = "R600";
1978                 break;
1979         case CHIP_RV630:
1980                 chip_name = "RV630";
1981                 rlc_chip_name = "R600";
1982                 break;
1983         case CHIP_RV620:
1984                 chip_name = "RV620";
1985                 rlc_chip_name = "R600";
1986                 break;
1987         case CHIP_RV635:
1988                 chip_name = "RV635";
1989                 rlc_chip_name = "R600";
1990                 break;
1991         case CHIP_RV670:
1992                 chip_name = "RV670";
1993                 rlc_chip_name = "R600";
1994                 break;
1995         case CHIP_RS780:
1996         case CHIP_RS880:
1997                 chip_name = "RS780";
1998                 rlc_chip_name = "R600";
1999                 break;
2000         case CHIP_RV770:
2001                 chip_name = "RV770";
2002                 rlc_chip_name = "R700";
2003                 break;
2004         case CHIP_RV730:
2005         case CHIP_RV740:
2006                 chip_name = "RV730";
2007                 rlc_chip_name = "R700";
2008                 break;
2009         case CHIP_RV710:
2010                 chip_name = "RV710";
2011                 rlc_chip_name = "R700";
2012                 break;
2013         case CHIP_CEDAR:
2014                 chip_name = "CEDAR";
2015                 rlc_chip_name = "CEDAR";
2016                 break;
2017         case CHIP_REDWOOD:
2018                 chip_name = "REDWOOD";
2019                 rlc_chip_name = "REDWOOD";
2020                 break;
2021         case CHIP_JUNIPER:
2022                 chip_name = "JUNIPER";
2023                 rlc_chip_name = "JUNIPER";
2024                 break;
2025         case CHIP_CYPRESS:
2026         case CHIP_HEMLOCK:
2027                 chip_name = "CYPRESS";
2028                 rlc_chip_name = "CYPRESS";
2029                 break;
2030         case CHIP_PALM:
2031                 chip_name = "PALM";
2032                 rlc_chip_name = "SUMO";
2033                 break;
2034         case CHIP_SUMO:
2035                 chip_name = "SUMO";
2036                 rlc_chip_name = "SUMO";
2037                 break;
2038         case CHIP_SUMO2:
2039                 chip_name = "SUMO2";
2040                 rlc_chip_name = "SUMO";
2041                 break;
2042         default: BUG();
2043         }
2044
2045         if (rdev->family >= CHIP_CEDAR) {
2046                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2047                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2048                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2049         } else if (rdev->family >= CHIP_RV770) {
2050                 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2051                 me_req_size = R700_PM4_UCODE_SIZE * 4;
2052                 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2053         } else {
2054                 pfp_req_size = PFP_UCODE_SIZE * 4;
2055                 me_req_size = PM4_UCODE_SIZE * 12;
2056                 rlc_req_size = RLC_UCODE_SIZE * 4;
2057         }
2058
2059         DRM_INFO("Loading %s Microcode\n", chip_name);
2060
2061         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2062         err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
2063         if (err)
2064                 goto out;
2065         if (rdev->pfp_fw->size != pfp_req_size) {
2066                 printk(KERN_ERR
2067                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2068                        rdev->pfp_fw->size, fw_name);
2069                 err = -EINVAL;
2070                 goto out;
2071         }
2072
2073         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2074         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
2075         if (err)
2076                 goto out;
2077         if (rdev->me_fw->size != me_req_size) {
2078                 printk(KERN_ERR
2079                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2080                        rdev->me_fw->size, fw_name);
2081                 err = -EINVAL;
2082         }
2083
2084         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2085         err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
2086         if (err)
2087                 goto out;
2088         if (rdev->rlc_fw->size != rlc_req_size) {
2089                 printk(KERN_ERR
2090                        "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2091                        rdev->rlc_fw->size, fw_name);
2092                 err = -EINVAL;
2093         }
2094
2095 out:
2096         platform_device_unregister(pdev);
2097
2098         if (err) {
2099                 if (err != -EINVAL)
2100                         printk(KERN_ERR
2101                                "r600_cp: Failed to load firmware \"%s\"\n",
2102                                fw_name);
2103                 release_firmware(rdev->pfp_fw);
2104                 rdev->pfp_fw = NULL;
2105                 release_firmware(rdev->me_fw);
2106                 rdev->me_fw = NULL;
2107                 release_firmware(rdev->rlc_fw);
2108                 rdev->rlc_fw = NULL;
2109         }
2110         return err;
2111 }
2112
2113 static int r600_cp_load_microcode(struct radeon_device *rdev)
2114 {
2115         const __be32 *fw_data;
2116         int i;
2117
2118         if (!rdev->me_fw || !rdev->pfp_fw)
2119                 return -EINVAL;
2120
2121         r600_cp_stop(rdev);
2122
2123         WREG32(CP_RB_CNTL,
2124 #ifdef __BIG_ENDIAN
2125                BUF_SWAP_32BIT |
2126 #endif
2127                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2128
2129         /* Reset cp */
2130         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2131         RREG32(GRBM_SOFT_RESET);
2132         mdelay(15);
2133         WREG32(GRBM_SOFT_RESET, 0);
2134
2135         WREG32(CP_ME_RAM_WADDR, 0);
2136
2137         fw_data = (const __be32 *)rdev->me_fw->data;
2138         WREG32(CP_ME_RAM_WADDR, 0);
2139         for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
2140                 WREG32(CP_ME_RAM_DATA,
2141                        be32_to_cpup(fw_data++));
2142
2143         fw_data = (const __be32 *)rdev->pfp_fw->data;
2144         WREG32(CP_PFP_UCODE_ADDR, 0);
2145         for (i = 0; i < PFP_UCODE_SIZE; i++)
2146                 WREG32(CP_PFP_UCODE_DATA,
2147                        be32_to_cpup(fw_data++));
2148
2149         WREG32(CP_PFP_UCODE_ADDR, 0);
2150         WREG32(CP_ME_RAM_WADDR, 0);
2151         WREG32(CP_ME_RAM_RADDR, 0);
2152         return 0;
2153 }
2154
2155 int r600_cp_start(struct radeon_device *rdev)
2156 {
2157         int r;
2158         uint32_t cp_me;
2159
2160         r = radeon_ring_lock(rdev, 7);
2161         if (r) {
2162                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2163                 return r;
2164         }
2165         radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
2166         radeon_ring_write(rdev, 0x1);
2167         if (rdev->family >= CHIP_RV770) {
2168                 radeon_ring_write(rdev, 0x0);
2169                 radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1);
2170         } else {
2171                 radeon_ring_write(rdev, 0x3);
2172                 radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
2173         }
2174         radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2175         radeon_ring_write(rdev, 0);
2176         radeon_ring_write(rdev, 0);
2177         radeon_ring_unlock_commit(rdev);
2178
2179         cp_me = 0xff;
2180         WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2181         return 0;
2182 }
2183
2184 int r600_cp_resume(struct radeon_device *rdev)
2185 {
2186         u32 tmp;
2187         u32 rb_bufsz;
2188         int r;
2189
2190         /* Reset cp */
2191         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2192         RREG32(GRBM_SOFT_RESET);
2193         mdelay(15);
2194         WREG32(GRBM_SOFT_RESET, 0);
2195
2196         /* Set ring buffer size */
2197         rb_bufsz = drm_order(rdev->cp.ring_size / 8);
2198         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2199 #ifdef __BIG_ENDIAN
2200         tmp |= BUF_SWAP_32BIT;
2201 #endif
2202         WREG32(CP_RB_CNTL, tmp);
2203         WREG32(CP_SEM_WAIT_TIMER, 0x4);
2204
2205         /* Set the write pointer delay */
2206         WREG32(CP_RB_WPTR_DELAY, 0);
2207
2208         /* Initialize the ring buffer's read and write pointers */
2209         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2210         WREG32(CP_RB_RPTR_WR, 0);
2211         WREG32(CP_RB_WPTR, 0);
2212
2213         /* set the wb address whether it's enabled or not */
2214         WREG32(CP_RB_RPTR_ADDR,
2215 #ifdef __BIG_ENDIAN
2216                RB_RPTR_SWAP(2) |
2217 #endif
2218                ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2219         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2220         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2221
2222         if (rdev->wb.enabled)
2223                 WREG32(SCRATCH_UMSK, 0xff);
2224         else {
2225                 tmp |= RB_NO_UPDATE;
2226                 WREG32(SCRATCH_UMSK, 0);
2227         }
2228
2229         mdelay(1);
2230         WREG32(CP_RB_CNTL, tmp);
2231
2232         WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
2233         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2234
2235         rdev->cp.rptr = RREG32(CP_RB_RPTR);
2236         rdev->cp.wptr = RREG32(CP_RB_WPTR);
2237
2238         r600_cp_start(rdev);
2239         rdev->cp.ready = true;
2240         r = radeon_ring_test(rdev);
2241         if (r) {
2242                 rdev->cp.ready = false;
2243                 return r;
2244         }
2245         return 0;
2246 }
2247
2248 void r600_cp_commit(struct radeon_device *rdev)
2249 {
2250         WREG32(CP_RB_WPTR, rdev->cp.wptr);
2251         (void)RREG32(CP_RB_WPTR);
2252 }
2253
2254 void r600_ring_init(struct radeon_device *rdev, unsigned ring_size)
2255 {
2256         u32 rb_bufsz;
2257
2258         /* Align ring size */
2259         rb_bufsz = drm_order(ring_size / 8);
2260         ring_size = (1 << (rb_bufsz + 1)) * 4;
2261         rdev->cp.ring_size = ring_size;
2262         rdev->cp.align_mask = 16 - 1;
2263 }
2264
2265 void r600_cp_fini(struct radeon_device *rdev)
2266 {
2267         r600_cp_stop(rdev);
2268         radeon_ring_fini(rdev);
2269 }
2270
2271
2272 /*
2273  * GPU scratch registers helpers function.
2274  */
2275 void r600_scratch_init(struct radeon_device *rdev)
2276 {
2277         int i;
2278
2279         rdev->scratch.num_reg = 7;
2280         rdev->scratch.reg_base = SCRATCH_REG0;
2281         for (i = 0; i < rdev->scratch.num_reg; i++) {
2282                 rdev->scratch.free[i] = true;
2283                 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2284         }
2285 }
2286
2287 int r600_ring_test(struct radeon_device *rdev)
2288 {
2289         uint32_t scratch;
2290         uint32_t tmp = 0;
2291         unsigned i;
2292         int r;
2293
2294         r = radeon_scratch_get(rdev, &scratch);
2295         if (r) {
2296                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2297                 return r;
2298         }
2299         WREG32(scratch, 0xCAFEDEAD);
2300         r = radeon_ring_lock(rdev, 3);
2301         if (r) {
2302                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2303                 radeon_scratch_free(rdev, scratch);
2304                 return r;
2305         }
2306         radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2307         radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2308         radeon_ring_write(rdev, 0xDEADBEEF);
2309         radeon_ring_unlock_commit(rdev);
2310         for (i = 0; i < rdev->usec_timeout; i++) {
2311                 tmp = RREG32(scratch);
2312                 if (tmp == 0xDEADBEEF)
2313                         break;
2314                 DRM_UDELAY(1);
2315         }
2316         if (i < rdev->usec_timeout) {
2317                 DRM_INFO("ring test succeeded in %d usecs\n", i);
2318         } else {
2319                 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
2320                           scratch, tmp);
2321                 r = -EINVAL;
2322         }
2323         radeon_scratch_free(rdev, scratch);
2324         return r;
2325 }
2326
2327 void r600_fence_ring_emit(struct radeon_device *rdev,
2328                           struct radeon_fence *fence)
2329 {
2330         if (rdev->wb.use_event) {
2331                 u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET +
2332                         (u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base);
2333                 /* EVENT_WRITE_EOP - flush caches, send int */
2334                 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2335                 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2336                 radeon_ring_write(rdev, addr & 0xffffffff);
2337                 radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2338                 radeon_ring_write(rdev, fence->seq);
2339                 radeon_ring_write(rdev, 0);
2340         } else {
2341                 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
2342                 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2343                 /* wait for 3D idle clean */
2344                 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2345                 radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2346                 radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2347                 /* Emit fence sequence & fire IRQ */
2348                 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2349                 radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2350                 radeon_ring_write(rdev, fence->seq);
2351                 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2352                 radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
2353                 radeon_ring_write(rdev, RB_INT_STAT);
2354         }
2355 }
2356
2357 int r600_copy_blit(struct radeon_device *rdev,
2358                    uint64_t src_offset, uint64_t dst_offset,
2359                    unsigned num_pages, struct radeon_fence *fence)
2360 {
2361         int r;
2362
2363         mutex_lock(&rdev->r600_blit.mutex);
2364         rdev->r600_blit.vb_ib = NULL;
2365         r = r600_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
2366         if (r) {
2367                 if (rdev->r600_blit.vb_ib)
2368                         radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
2369                 mutex_unlock(&rdev->r600_blit.mutex);
2370                 return r;
2371         }
2372         r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
2373         r600_blit_done_copy(rdev, fence);
2374         mutex_unlock(&rdev->r600_blit.mutex);
2375         return 0;
2376 }
2377
2378 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
2379                          uint32_t tiling_flags, uint32_t pitch,
2380                          uint32_t offset, uint32_t obj_size)
2381 {
2382         /* FIXME: implement */
2383         return 0;
2384 }
2385
2386 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2387 {
2388         /* FIXME: implement */
2389 }
2390
2391 int r600_startup(struct radeon_device *rdev)
2392 {
2393         int r;
2394
2395         /* enable pcie gen2 link */
2396         r600_pcie_gen2_enable(rdev);
2397
2398         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2399                 r = r600_init_microcode(rdev);
2400                 if (r) {
2401                         DRM_ERROR("Failed to load firmware!\n");
2402                         return r;
2403                 }
2404         }
2405
2406         r600_mc_program(rdev);
2407         if (rdev->flags & RADEON_IS_AGP) {
2408                 r600_agp_enable(rdev);
2409         } else {
2410                 r = r600_pcie_gart_enable(rdev);
2411                 if (r)
2412                         return r;
2413         }
2414         r600_gpu_init(rdev);
2415         r = r600_blit_init(rdev);
2416         if (r) {
2417                 r600_blit_fini(rdev);
2418                 rdev->asic->copy = NULL;
2419                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2420         }
2421
2422         /* allocate wb buffer */
2423         r = radeon_wb_init(rdev);
2424         if (r)
2425                 return r;
2426
2427         /* Enable IRQ */
2428         r = r600_irq_init(rdev);
2429         if (r) {
2430                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2431                 radeon_irq_kms_fini(rdev);
2432                 return r;
2433         }
2434         r600_irq_set(rdev);
2435
2436         r = radeon_ring_init(rdev, rdev->cp.ring_size);
2437         if (r)
2438                 return r;
2439         r = r600_cp_load_microcode(rdev);
2440         if (r)
2441                 return r;
2442         r = r600_cp_resume(rdev);
2443         if (r)
2444                 return r;
2445
2446         return 0;
2447 }
2448
2449 void r600_vga_set_state(struct radeon_device *rdev, bool state)
2450 {
2451         uint32_t temp;
2452
2453         temp = RREG32(CONFIG_CNTL);
2454         if (state == false) {
2455                 temp &= ~(1<<0);
2456                 temp |= (1<<1);
2457         } else {
2458                 temp &= ~(1<<1);
2459         }
2460         WREG32(CONFIG_CNTL, temp);
2461 }
2462
2463 int r600_resume(struct radeon_device *rdev)
2464 {
2465         int r;
2466
2467         /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
2468          * posting will perform necessary task to bring back GPU into good
2469          * shape.
2470          */
2471         /* post card */
2472         atom_asic_init(rdev->mode_info.atom_context);
2473
2474         r = r600_startup(rdev);
2475         if (r) {
2476                 DRM_ERROR("r600 startup failed on resume\n");
2477                 return r;
2478         }
2479
2480         r = r600_ib_test(rdev);
2481         if (r) {
2482                 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2483                 return r;
2484         }
2485
2486         r = r600_audio_init(rdev);
2487         if (r) {
2488                 DRM_ERROR("radeon: audio resume failed\n");
2489                 return r;
2490         }
2491
2492         return r;
2493 }
2494
2495 int r600_suspend(struct radeon_device *rdev)
2496 {
2497         int r;
2498
2499         r600_audio_fini(rdev);
2500         /* FIXME: we should wait for ring to be empty */
2501         r600_cp_stop(rdev);
2502         rdev->cp.ready = false;
2503         r600_irq_suspend(rdev);
2504         radeon_wb_disable(rdev);
2505         r600_pcie_gart_disable(rdev);
2506         /* unpin shaders bo */
2507         if (rdev->r600_blit.shader_obj) {
2508                 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2509                 if (!r) {
2510                         radeon_bo_unpin(rdev->r600_blit.shader_obj);
2511                         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2512                 }
2513         }
2514         return 0;
2515 }
2516
2517 /* Plan is to move initialization in that function and use
2518  * helper function so that radeon_device_init pretty much
2519  * do nothing more than calling asic specific function. This
2520  * should also allow to remove a bunch of callback function
2521  * like vram_info.
2522  */
2523 int r600_init(struct radeon_device *rdev)
2524 {
2525         int r;
2526
2527         if (r600_debugfs_mc_info_init(rdev)) {
2528                 DRM_ERROR("Failed to register debugfs file for mc !\n");
2529         }
2530         /* This don't do much */
2531         r = radeon_gem_init(rdev);
2532         if (r)
2533                 return r;
2534         /* Read BIOS */
2535         if (!radeon_get_bios(rdev)) {
2536                 if (ASIC_IS_AVIVO(rdev))
2537                         return -EINVAL;
2538         }
2539         /* Must be an ATOMBIOS */
2540         if (!rdev->is_atom_bios) {
2541                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2542                 return -EINVAL;
2543         }
2544         r = radeon_atombios_init(rdev);
2545         if (r)
2546                 return r;
2547         /* Post card if necessary */
2548         if (!radeon_card_posted(rdev)) {
2549                 if (!rdev->bios) {
2550                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2551                         return -EINVAL;
2552                 }
2553                 DRM_INFO("GPU not posted. posting now...\n");
2554                 atom_asic_init(rdev->mode_info.atom_context);
2555         }
2556         /* Initialize scratch registers */
2557         r600_scratch_init(rdev);
2558         /* Initialize surface registers */
2559         radeon_surface_init(rdev);
2560         /* Initialize clocks */
2561         radeon_get_clock_info(rdev->ddev);
2562         /* Fence driver */
2563         r = radeon_fence_driver_init(rdev);
2564         if (r)
2565                 return r;
2566         if (rdev->flags & RADEON_IS_AGP) {
2567                 r = radeon_agp_init(rdev);
2568                 if (r)
2569                         radeon_agp_disable(rdev);
2570         }
2571         r = r600_mc_init(rdev);
2572         if (r)
2573                 return r;
2574         /* Memory manager */
2575         r = radeon_bo_init(rdev);
2576         if (r)
2577                 return r;
2578
2579         r = radeon_irq_kms_init(rdev);
2580         if (r)
2581                 return r;
2582
2583         rdev->cp.ring_obj = NULL;
2584         r600_ring_init(rdev, 1024 * 1024);
2585
2586         rdev->ih.ring_obj = NULL;
2587         r600_ih_ring_init(rdev, 64 * 1024);
2588
2589         r = r600_pcie_gart_init(rdev);
2590         if (r)
2591                 return r;
2592
2593         rdev->accel_working = true;
2594         r = r600_startup(rdev);
2595         if (r) {
2596                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2597                 r600_cp_fini(rdev);
2598                 r600_irq_fini(rdev);
2599                 radeon_wb_fini(rdev);
2600                 radeon_irq_kms_fini(rdev);
2601                 r600_pcie_gart_fini(rdev);
2602                 rdev->accel_working = false;
2603         }
2604         if (rdev->accel_working) {
2605                 r = radeon_ib_pool_init(rdev);
2606                 if (r) {
2607                         dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2608                         rdev->accel_working = false;
2609                 } else {
2610                         r = r600_ib_test(rdev);
2611                         if (r) {
2612                                 dev_err(rdev->dev, "IB test failed (%d).\n", r);
2613                                 rdev->accel_working = false;
2614                         }
2615                 }
2616         }
2617
2618         r = r600_audio_init(rdev);
2619         if (r)
2620                 return r; /* TODO error handling */
2621         return 0;
2622 }
2623
2624 void r600_fini(struct radeon_device *rdev)
2625 {
2626         r600_audio_fini(rdev);
2627         r600_blit_fini(rdev);
2628         r600_cp_fini(rdev);
2629         r600_irq_fini(rdev);
2630         radeon_wb_fini(rdev);
2631         radeon_ib_pool_fini(rdev);
2632         radeon_irq_kms_fini(rdev);
2633         r600_pcie_gart_fini(rdev);
2634         radeon_agp_fini(rdev);
2635         radeon_gem_fini(rdev);
2636         radeon_fence_driver_fini(rdev);
2637         radeon_bo_fini(rdev);
2638         radeon_atombios_fini(rdev);
2639         kfree(rdev->bios);
2640         rdev->bios = NULL;
2641 }
2642
2643
2644 /*
2645  * CS stuff
2646  */
2647 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2648 {
2649         /* FIXME: implement */
2650         radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2651         radeon_ring_write(rdev,
2652 #ifdef __BIG_ENDIAN
2653                           (2 << 0) |
2654 #endif
2655                           (ib->gpu_addr & 0xFFFFFFFC));
2656         radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
2657         radeon_ring_write(rdev, ib->length_dw);
2658 }
2659
2660 int r600_ib_test(struct radeon_device *rdev)
2661 {
2662         struct radeon_ib *ib;
2663         uint32_t scratch;
2664         uint32_t tmp = 0;
2665         unsigned i;
2666         int r;
2667
2668         r = radeon_scratch_get(rdev, &scratch);
2669         if (r) {
2670                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2671                 return r;
2672         }
2673         WREG32(scratch, 0xCAFEDEAD);
2674         r = radeon_ib_get(rdev, &ib);
2675         if (r) {
2676                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
2677                 return r;
2678         }
2679         ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
2680         ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2681         ib->ptr[2] = 0xDEADBEEF;
2682         ib->ptr[3] = PACKET2(0);
2683         ib->ptr[4] = PACKET2(0);
2684         ib->ptr[5] = PACKET2(0);
2685         ib->ptr[6] = PACKET2(0);
2686         ib->ptr[7] = PACKET2(0);
2687         ib->ptr[8] = PACKET2(0);
2688         ib->ptr[9] = PACKET2(0);
2689         ib->ptr[10] = PACKET2(0);
2690         ib->ptr[11] = PACKET2(0);
2691         ib->ptr[12] = PACKET2(0);
2692         ib->ptr[13] = PACKET2(0);
2693         ib->ptr[14] = PACKET2(0);
2694         ib->ptr[15] = PACKET2(0);
2695         ib->length_dw = 16;
2696         r = radeon_ib_schedule(rdev, ib);
2697         if (r) {
2698                 radeon_scratch_free(rdev, scratch);
2699                 radeon_ib_free(rdev, &ib);
2700                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
2701                 return r;
2702         }
2703         r = radeon_fence_wait(ib->fence, false);
2704         if (r) {
2705                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
2706                 return r;
2707         }
2708         for (i = 0; i < rdev->usec_timeout; i++) {
2709                 tmp = RREG32(scratch);
2710                 if (tmp == 0xDEADBEEF)
2711                         break;
2712                 DRM_UDELAY(1);
2713         }
2714         if (i < rdev->usec_timeout) {
2715                 DRM_INFO("ib test succeeded in %u usecs\n", i);
2716         } else {
2717                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
2718                           scratch, tmp);
2719                 r = -EINVAL;
2720         }
2721         radeon_scratch_free(rdev, scratch);
2722         radeon_ib_free(rdev, &ib);
2723         return r;
2724 }
2725
2726 /*
2727  * Interrupts
2728  *
2729  * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
2730  * the same as the CP ring buffer, but in reverse.  Rather than the CPU
2731  * writing to the ring and the GPU consuming, the GPU writes to the ring
2732  * and host consumes.  As the host irq handler processes interrupts, it
2733  * increments the rptr.  When the rptr catches up with the wptr, all the
2734  * current interrupts have been processed.
2735  */
2736
2737 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
2738 {
2739         u32 rb_bufsz;
2740
2741         /* Align ring size */
2742         rb_bufsz = drm_order(ring_size / 4);
2743         ring_size = (1 << rb_bufsz) * 4;
2744         rdev->ih.ring_size = ring_size;
2745         rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
2746         rdev->ih.rptr = 0;
2747 }
2748
2749 static int r600_ih_ring_alloc(struct radeon_device *rdev)
2750 {
2751         int r;
2752
2753         /* Allocate ring buffer */
2754         if (rdev->ih.ring_obj == NULL) {
2755                 r = radeon_bo_create(rdev, rdev->ih.ring_size,
2756                                      PAGE_SIZE, true,
2757                                      RADEON_GEM_DOMAIN_GTT,
2758                                      &rdev->ih.ring_obj);
2759                 if (r) {
2760                         DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
2761                         return r;
2762                 }
2763                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2764                 if (unlikely(r != 0))
2765                         return r;
2766                 r = radeon_bo_pin(rdev->ih.ring_obj,
2767                                   RADEON_GEM_DOMAIN_GTT,
2768                                   &rdev->ih.gpu_addr);
2769                 if (r) {
2770                         radeon_bo_unreserve(rdev->ih.ring_obj);
2771                         DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
2772                         return r;
2773                 }
2774                 r = radeon_bo_kmap(rdev->ih.ring_obj,
2775                                    (void **)&rdev->ih.ring);
2776                 radeon_bo_unreserve(rdev->ih.ring_obj);
2777                 if (r) {
2778                         DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
2779                         return r;
2780                 }
2781         }
2782         return 0;
2783 }
2784
2785 static void r600_ih_ring_fini(struct radeon_device *rdev)
2786 {
2787         int r;
2788         if (rdev->ih.ring_obj) {
2789                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2790                 if (likely(r == 0)) {
2791                         radeon_bo_kunmap(rdev->ih.ring_obj);
2792                         radeon_bo_unpin(rdev->ih.ring_obj);
2793                         radeon_bo_unreserve(rdev->ih.ring_obj);
2794                 }
2795                 radeon_bo_unref(&rdev->ih.ring_obj);
2796                 rdev->ih.ring = NULL;
2797                 rdev->ih.ring_obj = NULL;
2798         }
2799 }
2800
2801 void r600_rlc_stop(struct radeon_device *rdev)
2802 {
2803
2804         if ((rdev->family >= CHIP_RV770) &&
2805             (rdev->family <= CHIP_RV740)) {
2806                 /* r7xx asics need to soft reset RLC before halting */
2807                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
2808                 RREG32(SRBM_SOFT_RESET);
2809                 udelay(15000);
2810                 WREG32(SRBM_SOFT_RESET, 0);
2811                 RREG32(SRBM_SOFT_RESET);
2812         }
2813
2814         WREG32(RLC_CNTL, 0);
2815 }
2816
2817 static void r600_rlc_start(struct radeon_device *rdev)
2818 {
2819         WREG32(RLC_CNTL, RLC_ENABLE);
2820 }
2821
2822 static int r600_rlc_init(struct radeon_device *rdev)
2823 {
2824         u32 i;
2825         const __be32 *fw_data;
2826
2827         if (!rdev->rlc_fw)
2828                 return -EINVAL;
2829
2830         r600_rlc_stop(rdev);
2831
2832         WREG32(RLC_HB_BASE, 0);
2833         WREG32(RLC_HB_CNTL, 0);
2834         WREG32(RLC_HB_RPTR, 0);
2835         WREG32(RLC_HB_WPTR, 0);
2836         if (rdev->family <= CHIP_CAICOS) {
2837                 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
2838                 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
2839         }
2840         WREG32(RLC_MC_CNTL, 0);
2841         WREG32(RLC_UCODE_CNTL, 0);
2842
2843         fw_data = (const __be32 *)rdev->rlc_fw->data;
2844         if (rdev->family >= CHIP_CAYMAN) {
2845                 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
2846                         WREG32(RLC_UCODE_ADDR, i);
2847                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2848                 }
2849         } else if (rdev->family >= CHIP_CEDAR) {
2850                 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
2851                         WREG32(RLC_UCODE_ADDR, i);
2852                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2853                 }
2854         } else if (rdev->family >= CHIP_RV770) {
2855                 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
2856                         WREG32(RLC_UCODE_ADDR, i);
2857                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2858                 }
2859         } else {
2860                 for (i = 0; i < RLC_UCODE_SIZE; i++) {
2861                         WREG32(RLC_UCODE_ADDR, i);
2862                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2863                 }
2864         }
2865         WREG32(RLC_UCODE_ADDR, 0);
2866
2867         r600_rlc_start(rdev);
2868
2869         return 0;
2870 }
2871
2872 static void r600_enable_interrupts(struct radeon_device *rdev)
2873 {
2874         u32 ih_cntl = RREG32(IH_CNTL);
2875         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2876
2877         ih_cntl |= ENABLE_INTR;
2878         ih_rb_cntl |= IH_RB_ENABLE;
2879         WREG32(IH_CNTL, ih_cntl);
2880         WREG32(IH_RB_CNTL, ih_rb_cntl);
2881         rdev->ih.enabled = true;
2882 }
2883
2884 void r600_disable_interrupts(struct radeon_device *rdev)
2885 {
2886         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2887         u32 ih_cntl = RREG32(IH_CNTL);
2888
2889         ih_rb_cntl &= ~IH_RB_ENABLE;
2890         ih_cntl &= ~ENABLE_INTR;
2891         WREG32(IH_RB_CNTL, ih_rb_cntl);
2892         WREG32(IH_CNTL, ih_cntl);
2893         /* set rptr, wptr to 0 */
2894         WREG32(IH_RB_RPTR, 0);
2895         WREG32(IH_RB_WPTR, 0);
2896         rdev->ih.enabled = false;
2897         rdev->ih.wptr = 0;
2898         rdev->ih.rptr = 0;
2899 }
2900
2901 static void r600_disable_interrupt_state(struct radeon_device *rdev)
2902 {
2903         u32 tmp;
2904
2905         WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2906         WREG32(GRBM_INT_CNTL, 0);
2907         WREG32(DxMODE_INT_MASK, 0);
2908         WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2909         WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
2910         if (ASIC_IS_DCE3(rdev)) {
2911                 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2912                 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
2913                 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2914                 WREG32(DC_HPD1_INT_CONTROL, tmp);
2915                 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2916                 WREG32(DC_HPD2_INT_CONTROL, tmp);
2917                 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2918                 WREG32(DC_HPD3_INT_CONTROL, tmp);
2919                 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2920                 WREG32(DC_HPD4_INT_CONTROL, tmp);
2921                 if (ASIC_IS_DCE32(rdev)) {
2922                         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2923                         WREG32(DC_HPD5_INT_CONTROL, tmp);
2924                         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2925                         WREG32(DC_HPD6_INT_CONTROL, tmp);
2926                 }
2927         } else {
2928                 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2929                 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2930                 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2931                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
2932                 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2933                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
2934                 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2935                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
2936         }
2937 }
2938
2939 int r600_irq_init(struct radeon_device *rdev)
2940 {
2941         int ret = 0;
2942         int rb_bufsz;
2943         u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
2944
2945         /* allocate ring */
2946         ret = r600_ih_ring_alloc(rdev);
2947         if (ret)
2948                 return ret;
2949
2950         /* disable irqs */
2951         r600_disable_interrupts(rdev);
2952
2953         /* init rlc */
2954         ret = r600_rlc_init(rdev);
2955         if (ret) {
2956                 r600_ih_ring_fini(rdev);
2957                 return ret;
2958         }
2959
2960         /* setup interrupt control */
2961         /* set dummy read address to ring address */
2962         WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
2963         interrupt_cntl = RREG32(INTERRUPT_CNTL);
2964         /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
2965          * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
2966          */
2967         interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
2968         /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
2969         interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
2970         WREG32(INTERRUPT_CNTL, interrupt_cntl);
2971
2972         WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
2973         rb_bufsz = drm_order(rdev->ih.ring_size / 4);
2974
2975         ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
2976                       IH_WPTR_OVERFLOW_CLEAR |
2977                       (rb_bufsz << 1));
2978
2979         if (rdev->wb.enabled)
2980                 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
2981
2982         /* set the writeback address whether it's enabled or not */
2983         WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
2984         WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
2985
2986         WREG32(IH_RB_CNTL, ih_rb_cntl);
2987
2988         /* set rptr, wptr to 0 */
2989         WREG32(IH_RB_RPTR, 0);
2990         WREG32(IH_RB_WPTR, 0);
2991
2992         /* Default settings for IH_CNTL (disabled at first) */
2993         ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
2994         /* RPTR_REARM only works if msi's are enabled */
2995         if (rdev->msi_enabled)
2996                 ih_cntl |= RPTR_REARM;
2997
2998 #ifdef __BIG_ENDIAN
2999         ih_cntl |= IH_MC_SWAP(IH_MC_SWAP_32BIT);
3000 #endif
3001         WREG32(IH_CNTL, ih_cntl);
3002
3003         /* force the active interrupt state to all disabled */
3004         if (rdev->family >= CHIP_CEDAR)
3005                 evergreen_disable_interrupt_state(rdev);
3006         else
3007                 r600_disable_interrupt_state(rdev);
3008
3009         /* enable irqs */
3010         r600_enable_interrupts(rdev);
3011
3012         return ret;
3013 }
3014
3015 void r600_irq_suspend(struct radeon_device *rdev)
3016 {
3017         r600_irq_disable(rdev);
3018         r600_rlc_stop(rdev);
3019 }
3020
3021 void r600_irq_fini(struct radeon_device *rdev)
3022 {
3023         r600_irq_suspend(rdev);
3024         r600_ih_ring_fini(rdev);
3025 }
3026
3027 int r600_irq_set(struct radeon_device *rdev)
3028 {
3029         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3030         u32 mode_int = 0;
3031         u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3032         u32 grbm_int_cntl = 0;
3033         u32 hdmi1, hdmi2;
3034         u32 d1grph = 0, d2grph = 0;
3035
3036         if (!rdev->irq.installed) {
3037                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3038                 return -EINVAL;
3039         }
3040         /* don't enable anything if the ih is disabled */
3041         if (!rdev->ih.enabled) {
3042                 r600_disable_interrupts(rdev);
3043                 /* force the active interrupt state to all disabled */
3044                 r600_disable_interrupt_state(rdev);
3045                 return 0;
3046         }
3047
3048         hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3049         if (ASIC_IS_DCE3(rdev)) {
3050                 hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3051                 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3052                 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3053                 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3054                 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3055                 if (ASIC_IS_DCE32(rdev)) {
3056                         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3057                         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3058                 }
3059         } else {
3060                 hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3061                 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3062                 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3063                 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3064         }
3065
3066         if (rdev->irq.sw_int) {
3067                 DRM_DEBUG("r600_irq_set: sw int\n");
3068                 cp_int_cntl |= RB_INT_ENABLE;
3069                 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3070         }
3071         if (rdev->irq.crtc_vblank_int[0] ||
3072             rdev->irq.pflip[0]) {
3073                 DRM_DEBUG("r600_irq_set: vblank 0\n");
3074                 mode_int |= D1MODE_VBLANK_INT_MASK;
3075         }
3076         if (rdev->irq.crtc_vblank_int[1] ||
3077             rdev->irq.pflip[1]) {
3078                 DRM_DEBUG("r600_irq_set: vblank 1\n");
3079                 mode_int |= D2MODE_VBLANK_INT_MASK;
3080         }
3081         if (rdev->irq.hpd[0]) {
3082                 DRM_DEBUG("r600_irq_set: hpd 1\n");
3083                 hpd1 |= DC_HPDx_INT_EN;
3084         }
3085         if (rdev->irq.hpd[1]) {
3086                 DRM_DEBUG("r600_irq_set: hpd 2\n");
3087                 hpd2 |= DC_HPDx_INT_EN;
3088         }
3089         if (rdev->irq.hpd[2]) {
3090                 DRM_DEBUG("r600_irq_set: hpd 3\n");
3091                 hpd3 |= DC_HPDx_INT_EN;
3092         }
3093         if (rdev->irq.hpd[3]) {
3094                 DRM_DEBUG("r600_irq_set: hpd 4\n");
3095                 hpd4 |= DC_HPDx_INT_EN;
3096         }
3097         if (rdev->irq.hpd[4]) {
3098                 DRM_DEBUG("r600_irq_set: hpd 5\n");
3099                 hpd5 |= DC_HPDx_INT_EN;
3100         }
3101         if (rdev->irq.hpd[5]) {
3102                 DRM_DEBUG("r600_irq_set: hpd 6\n");
3103                 hpd6 |= DC_HPDx_INT_EN;
3104         }
3105         if (rdev->irq.hdmi[0]) {
3106                 DRM_DEBUG("r600_irq_set: hdmi 1\n");
3107                 hdmi1 |= R600_HDMI_INT_EN;
3108         }
3109         if (rdev->irq.hdmi[1]) {
3110                 DRM_DEBUG("r600_irq_set: hdmi 2\n");
3111                 hdmi2 |= R600_HDMI_INT_EN;
3112         }
3113         if (rdev->irq.gui_idle) {
3114                 DRM_DEBUG("gui idle\n");
3115                 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
3116         }
3117
3118         WREG32(CP_INT_CNTL, cp_int_cntl);
3119         WREG32(DxMODE_INT_MASK, mode_int);
3120         WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3121         WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
3122         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3123         WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
3124         if (ASIC_IS_DCE3(rdev)) {
3125                 WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
3126                 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3127                 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3128                 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3129                 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3130                 if (ASIC_IS_DCE32(rdev)) {
3131                         WREG32(DC_HPD5_INT_CONTROL, hpd5);
3132                         WREG32(DC_HPD6_INT_CONTROL, hpd6);
3133                 }
3134         } else {
3135                 WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2);
3136                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3137                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3138                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3139         }
3140
3141         return 0;
3142 }
3143
3144 static inline void r600_irq_ack(struct radeon_device *rdev)
3145 {
3146         u32 tmp;
3147
3148         if (ASIC_IS_DCE3(rdev)) {
3149                 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3150                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3151                 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3152         } else {
3153                 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3154                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3155                 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3156         }
3157         rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3158         rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3159
3160         if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3161                 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3162         if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3163                 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3164         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3165                 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3166         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3167                 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3168         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3169                 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3170         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3171                 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3172         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3173                 if (ASIC_IS_DCE3(rdev)) {
3174                         tmp = RREG32(DC_HPD1_INT_CONTROL);
3175                         tmp |= DC_HPDx_INT_ACK;
3176                         WREG32(DC_HPD1_INT_CONTROL, tmp);
3177                 } else {
3178                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3179                         tmp |= DC_HPDx_INT_ACK;
3180                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3181                 }
3182         }
3183         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3184                 if (ASIC_IS_DCE3(rdev)) {
3185                         tmp = RREG32(DC_HPD2_INT_CONTROL);
3186                         tmp |= DC_HPDx_INT_ACK;
3187                         WREG32(DC_HPD2_INT_CONTROL, tmp);
3188                 } else {
3189                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3190                         tmp |= DC_HPDx_INT_ACK;
3191                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3192                 }
3193         }
3194         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3195                 if (ASIC_IS_DCE3(rdev)) {
3196                         tmp = RREG32(DC_HPD3_INT_CONTROL);
3197                         tmp |= DC_HPDx_INT_ACK;
3198                         WREG32(DC_HPD3_INT_CONTROL, tmp);
3199                 } else {
3200                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3201                         tmp |= DC_HPDx_INT_ACK;
3202                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3203                 }
3204         }
3205         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3206                 tmp = RREG32(DC_HPD4_INT_CONTROL);
3207                 tmp |= DC_HPDx_INT_ACK;
3208                 WREG32(DC_HPD4_INT_CONTROL, tmp);
3209         }
3210         if (ASIC_IS_DCE32(rdev)) {
3211                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3212                         tmp = RREG32(DC_HPD5_INT_CONTROL);
3213                         tmp |= DC_HPDx_INT_ACK;
3214                         WREG32(DC_HPD5_INT_CONTROL, tmp);
3215                 }
3216                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3217                         tmp = RREG32(DC_HPD5_INT_CONTROL);
3218                         tmp |= DC_HPDx_INT_ACK;
3219                         WREG32(DC_HPD6_INT_CONTROL, tmp);
3220                 }
3221         }
3222         if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3223                 WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3224         }
3225         if (ASIC_IS_DCE3(rdev)) {
3226                 if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3227                         WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3228                 }
3229         } else {
3230                 if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3231                         WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3232                 }
3233         }
3234 }
3235
3236 void r600_irq_disable(struct radeon_device *rdev)
3237 {
3238         r600_disable_interrupts(rdev);
3239         /* Wait and acknowledge irq */
3240         mdelay(1);
3241         r600_irq_ack(rdev);
3242         r600_disable_interrupt_state(rdev);
3243 }
3244
3245 static inline u32 r600_get_ih_wptr(struct radeon_device *rdev)
3246 {
3247         u32 wptr, tmp;
3248
3249         if (rdev->wb.enabled)
3250                 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
3251         else
3252                 wptr = RREG32(IH_RB_WPTR);
3253
3254         if (wptr & RB_OVERFLOW) {
3255                 /* When a ring buffer overflow happen start parsing interrupt
3256                  * from the last not overwritten vector (wptr + 16). Hopefully
3257                  * this should allow us to catchup.
3258                  */
3259                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
3260                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
3261                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
3262                 tmp = RREG32(IH_RB_CNTL);
3263                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
3264                 WREG32(IH_RB_CNTL, tmp);
3265         }
3266         return (wptr & rdev->ih.ptr_mask);
3267 }
3268
3269 /*        r600 IV Ring
3270  * Each IV ring entry is 128 bits:
3271  * [7:0]    - interrupt source id
3272  * [31:8]   - reserved
3273  * [59:32]  - interrupt source data
3274  * [127:60]  - reserved
3275  *
3276  * The basic interrupt vector entries
3277  * are decoded as follows:
3278  * src_id  src_data  description
3279  *      1         0  D1 Vblank
3280  *      1         1  D1 Vline
3281  *      5         0  D2 Vblank
3282  *      5         1  D2 Vline
3283  *     19         0  FP Hot plug detection A
3284  *     19         1  FP Hot plug detection B
3285  *     19         2  DAC A auto-detection
3286  *     19         3  DAC B auto-detection
3287  *     21         4  HDMI block A
3288  *     21         5  HDMI block B
3289  *    176         -  CP_INT RB
3290  *    177         -  CP_INT IB1
3291  *    178         -  CP_INT IB2
3292  *    181         -  EOP Interrupt
3293  *    233         -  GUI Idle
3294  *
3295  * Note, these are based on r600 and may need to be
3296  * adjusted or added to on newer asics
3297  */
3298
3299 int r600_irq_process(struct radeon_device *rdev)
3300 {
3301         u32 wptr;
3302         u32 rptr;
3303         u32 src_id, src_data;
3304         u32 ring_index;
3305         unsigned long flags;
3306         bool queue_hotplug = false;
3307
3308         if (!rdev->ih.enabled || rdev->shutdown)
3309                 return IRQ_NONE;
3310
3311         wptr = r600_get_ih_wptr(rdev);
3312         rptr = rdev->ih.rptr;
3313         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3314
3315         spin_lock_irqsave(&rdev->ih.lock, flags);
3316
3317         if (rptr == wptr) {
3318                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
3319                 return IRQ_NONE;
3320         }
3321
3322 restart_ih:
3323         /* display interrupts */
3324         r600_irq_ack(rdev);
3325
3326         rdev->ih.wptr = wptr;
3327         while (rptr != wptr) {
3328                 /* wptr/rptr are in bytes! */
3329                 ring_index = rptr / 4;
3330                 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3331                 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
3332
3333                 switch (src_id) {
3334                 case 1: /* D1 vblank/vline */
3335                         switch (src_data) {
3336                         case 0: /* D1 vblank */
3337                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
3338                                         if (rdev->irq.crtc_vblank_int[0]) {
3339                                                 drm_handle_vblank(rdev->ddev, 0);
3340                                                 rdev->pm.vblank_sync = true;
3341                                                 wake_up(&rdev->irq.vblank_queue);
3342                                         }
3343                                         if (rdev->irq.pflip[0])
3344                                                 radeon_crtc_handle_flip(rdev, 0);
3345                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
3346                                         DRM_DEBUG("IH: D1 vblank\n");
3347                                 }
3348                                 break;
3349                         case 1: /* D1 vline */
3350                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3351                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
3352                                         DRM_DEBUG("IH: D1 vline\n");
3353                                 }
3354                                 break;
3355                         default:
3356                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3357                                 break;
3358                         }
3359                         break;
3360                 case 5: /* D2 vblank/vline */
3361                         switch (src_data) {
3362                         case 0: /* D2 vblank */
3363                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
3364                                         if (rdev->irq.crtc_vblank_int[1]) {
3365                                                 drm_handle_vblank(rdev->ddev, 1);
3366                                                 rdev->pm.vblank_sync = true;
3367                                                 wake_up(&rdev->irq.vblank_queue);
3368                                         }
3369                                         if (rdev->irq.pflip[1])
3370                                                 radeon_crtc_handle_flip(rdev, 1);
3371                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
3372                                         DRM_DEBUG("IH: D2 vblank\n");
3373                                 }
3374                                 break;
3375                         case 1: /* D1 vline */
3376                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3377                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
3378                                         DRM_DEBUG("IH: D2 vline\n");
3379                                 }
3380                                 break;
3381                         default:
3382                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3383                                 break;
3384                         }
3385                         break;
3386                 case 19: /* HPD/DAC hotplug */
3387                         switch (src_data) {
3388                         case 0:
3389                                 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3390                                         rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
3391                                         queue_hotplug = true;
3392                                         DRM_DEBUG("IH: HPD1\n");
3393                                 }
3394                                 break;
3395                         case 1:
3396                                 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3397                                         rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
3398                                         queue_hotplug = true;
3399                                         DRM_DEBUG("IH: HPD2\n");
3400                                 }
3401                                 break;
3402                         case 4:
3403                                 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3404                                         rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
3405                                         queue_hotplug = true;
3406                                         DRM_DEBUG("IH: HPD3\n");
3407                                 }
3408                                 break;
3409                         case 5:
3410                                 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3411                                         rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
3412                                         queue_hotplug = true;
3413                                         DRM_DEBUG("IH: HPD4\n");
3414                                 }
3415                                 break;
3416                         case 10:
3417                                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3418                                         rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
3419                                         queue_hotplug = true;
3420                                         DRM_DEBUG("IH: HPD5\n");
3421                                 }
3422                                 break;
3423                         case 12:
3424                                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3425                                         rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
3426                                         queue_hotplug = true;
3427                                         DRM_DEBUG("IH: HPD6\n");
3428                                 }
3429                                 break;
3430                         default:
3431                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3432                                 break;
3433                         }
3434                         break;
3435                 case 21: /* HDMI */
3436                         DRM_DEBUG("IH: HDMI: 0x%x\n", src_data);
3437                         r600_audio_schedule_polling(rdev);
3438                         break;
3439                 case 176: /* CP_INT in ring buffer */
3440                 case 177: /* CP_INT in IB1 */
3441                 case 178: /* CP_INT in IB2 */
3442                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
3443                         radeon_fence_process(rdev);
3444                         break;
3445                 case 181: /* CP EOP event */
3446                         DRM_DEBUG("IH: CP EOP\n");
3447                         radeon_fence_process(rdev);
3448                         break;
3449                 case 233: /* GUI IDLE */
3450                         DRM_DEBUG("IH: GUI idle\n");
3451                         rdev->pm.gui_idle = true;
3452                         wake_up(&rdev->irq.idle_queue);
3453                         break;
3454                 default:
3455                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3456                         break;
3457                 }
3458
3459                 /* wptr/rptr are in bytes! */
3460                 rptr += 16;
3461                 rptr &= rdev->ih.ptr_mask;
3462         }
3463         /* make sure wptr hasn't changed while processing */
3464         wptr = r600_get_ih_wptr(rdev);
3465         if (wptr != rdev->ih.wptr)
3466                 goto restart_ih;
3467         if (queue_hotplug)
3468                 schedule_work(&rdev->hotplug_work);
3469         rdev->ih.rptr = rptr;
3470         WREG32(IH_RB_RPTR, rdev->ih.rptr);
3471         spin_unlock_irqrestore(&rdev->ih.lock, flags);
3472         return IRQ_HANDLED;
3473 }
3474
3475 /*
3476  * Debugfs info
3477  */
3478 #if defined(CONFIG_DEBUG_FS)
3479
3480 static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data)
3481 {
3482         struct drm_info_node *node = (struct drm_info_node *) m->private;
3483         struct drm_device *dev = node->minor->dev;
3484         struct radeon_device *rdev = dev->dev_private;
3485         unsigned count, i, j;
3486
3487         radeon_ring_free_size(rdev);
3488         count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw;
3489         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT));
3490         seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR));
3491         seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR));
3492         seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr);
3493         seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr);
3494         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
3495         seq_printf(m, "%u dwords in ring\n", count);
3496         i = rdev->cp.rptr;
3497         for (j = 0; j <= count; j++) {
3498                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
3499                 i = (i + 1) & rdev->cp.ptr_mask;
3500         }
3501         return 0;
3502 }
3503
3504 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
3505 {
3506         struct drm_info_node *node = (struct drm_info_node *) m->private;
3507         struct drm_device *dev = node->minor->dev;
3508         struct radeon_device *rdev = dev->dev_private;
3509
3510         DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
3511         DREG32_SYS(m, rdev, VM_L2_STATUS);
3512         return 0;
3513 }
3514
3515 static struct drm_info_list r600_mc_info_list[] = {
3516         {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
3517         {"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL},
3518 };
3519 #endif
3520
3521 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
3522 {
3523 #if defined(CONFIG_DEBUG_FS)
3524         return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
3525 #else
3526         return 0;
3527 #endif
3528 }
3529
3530 /**
3531  * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
3532  * rdev: radeon device structure
3533  * bo: buffer object struct which userspace is waiting for idle
3534  *
3535  * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
3536  * through ring buffer, this leads to corruption in rendering, see
3537  * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
3538  * directly perform HDP flush by writing register through MMIO.
3539  */
3540 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3541 {
3542         /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
3543          * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
3544          * This seems to cause problems on some AGP cards. Just use the old
3545          * method for them.
3546          */
3547         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
3548             rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
3549                 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3550                 u32 tmp;
3551
3552                 WREG32(HDP_DEBUG1, 0);
3553                 tmp = readl((void __iomem *)ptr);
3554         } else
3555                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
3556 }
3557
3558 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
3559 {
3560         u32 link_width_cntl, mask, target_reg;
3561
3562         if (rdev->flags & RADEON_IS_IGP)
3563                 return;
3564
3565         if (!(rdev->flags & RADEON_IS_PCIE))
3566                 return;
3567
3568         /* x2 cards have a special sequence */
3569         if (ASIC_IS_X2(rdev))
3570                 return;
3571
3572         /* FIXME wait for idle */
3573
3574         switch (lanes) {
3575         case 0:
3576                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
3577                 break;
3578         case 1:
3579                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
3580                 break;
3581         case 2:
3582                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
3583                 break;
3584         case 4:
3585                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
3586                 break;
3587         case 8:
3588                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
3589                 break;
3590         case 12:
3591                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
3592                 break;
3593         case 16:
3594         default:
3595                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
3596                 break;
3597         }
3598
3599         link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3600
3601         if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
3602             (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
3603                 return;
3604
3605         if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
3606                 return;
3607
3608         link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
3609                              RADEON_PCIE_LC_RECONFIG_NOW |
3610                              R600_PCIE_LC_RENEGOTIATE_EN |
3611                              R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
3612         link_width_cntl |= mask;
3613
3614         WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3615
3616         /* some northbridges can renegotiate the link rather than requiring
3617          * a complete re-config.
3618          * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
3619          */
3620         if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
3621                 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
3622         else
3623                 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
3624
3625         WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
3626                                                        RADEON_PCIE_LC_RECONFIG_NOW));
3627
3628         if (rdev->family >= CHIP_RV770)
3629                 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
3630         else
3631                 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
3632
3633         /* wait for lane set to complete */
3634         link_width_cntl = RREG32(target_reg);
3635         while (link_width_cntl == 0xffffffff)
3636                 link_width_cntl = RREG32(target_reg);
3637
3638 }
3639
3640 int r600_get_pcie_lanes(struct radeon_device *rdev)
3641 {
3642         u32 link_width_cntl;
3643
3644         if (rdev->flags & RADEON_IS_IGP)
3645                 return 0;
3646
3647         if (!(rdev->flags & RADEON_IS_PCIE))
3648                 return 0;
3649
3650         /* x2 cards have a special sequence */
3651         if (ASIC_IS_X2(rdev))
3652                 return 0;
3653
3654         /* FIXME wait for idle */
3655
3656         link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3657
3658         switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
3659         case RADEON_PCIE_LC_LINK_WIDTH_X0:
3660                 return 0;
3661         case RADEON_PCIE_LC_LINK_WIDTH_X1:
3662                 return 1;
3663         case RADEON_PCIE_LC_LINK_WIDTH_X2:
3664                 return 2;
3665         case RADEON_PCIE_LC_LINK_WIDTH_X4:
3666                 return 4;
3667         case RADEON_PCIE_LC_LINK_WIDTH_X8:
3668                 return 8;
3669         case RADEON_PCIE_LC_LINK_WIDTH_X16:
3670         default:
3671                 return 16;
3672         }
3673 }
3674
3675 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
3676 {
3677         u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
3678         u16 link_cntl2;
3679
3680         if (radeon_pcie_gen2 == 0)
3681                 return;
3682
3683         if (rdev->flags & RADEON_IS_IGP)
3684                 return;
3685
3686         if (!(rdev->flags & RADEON_IS_PCIE))
3687                 return;
3688
3689         /* x2 cards have a special sequence */
3690         if (ASIC_IS_X2(rdev))
3691                 return;
3692
3693         /* only RV6xx+ chips are supported */
3694         if (rdev->family <= CHIP_R600)
3695                 return;
3696
3697         /* 55 nm r6xx asics */
3698         if ((rdev->family == CHIP_RV670) ||
3699             (rdev->family == CHIP_RV620) ||
3700             (rdev->family == CHIP_RV635)) {
3701                 /* advertise upconfig capability */
3702                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3703                 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3704                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3705                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3706                 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
3707                         lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
3708                         link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
3709                                              LC_RECONFIG_ARC_MISSING_ESCAPE);
3710                         link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
3711                         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3712                 } else {
3713                         link_width_cntl |= LC_UPCONFIGURE_DIS;
3714                         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3715                 }
3716         }
3717
3718         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3719         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3720             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3721
3722                 /* 55 nm r6xx asics */
3723                 if ((rdev->family == CHIP_RV670) ||
3724                     (rdev->family == CHIP_RV620) ||
3725                     (rdev->family == CHIP_RV635)) {
3726                         WREG32(MM_CFGREGS_CNTL, 0x8);
3727                         link_cntl2 = RREG32(0x4088);
3728                         WREG32(MM_CFGREGS_CNTL, 0);
3729                         /* not supported yet */
3730                         if (link_cntl2 & SELECTABLE_DEEMPHASIS)
3731                                 return;
3732                 }
3733
3734                 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
3735                 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
3736                 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
3737                 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
3738                 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
3739                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3740
3741                 tmp = RREG32(0x541c);
3742                 WREG32(0x541c, tmp | 0x8);
3743                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
3744                 link_cntl2 = RREG16(0x4088);
3745                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
3746                 link_cntl2 |= 0x2;
3747                 WREG16(0x4088, link_cntl2);
3748                 WREG32(MM_CFGREGS_CNTL, 0);
3749
3750                 if ((rdev->family == CHIP_RV670) ||
3751                     (rdev->family == CHIP_RV620) ||
3752                     (rdev->family == CHIP_RV635)) {
3753                         training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
3754                         training_cntl &= ~LC_POINT_7_PLUS_EN;
3755                         WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
3756                 } else {
3757                         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3758                         speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3759                         WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3760                 }
3761
3762                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3763                 speed_cntl |= LC_GEN2_EN_STRAP;
3764                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3765
3766         } else {
3767                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3768                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3769                 if (1)
3770                         link_width_cntl |= LC_UPCONFIGURE_DIS;
3771                 else
3772                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3773                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3774         }
3775 }