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 <linux/module.h>
  33 #include "drmP.h"
  34 #include "radeon_drm.h"
  35 #include "radeon.h"
  36 #include "radeon_asic.h"
  37 #include "radeon_mode.h"
  38 #include "r600d.h"
  39 #include "atom.h"
  40 #include "avivod.h"
  41
  42 #define PFP_UCODE_SIZE 576
  43 #define PM4_UCODE_SIZE 1792
  44 #define RLC_UCODE_SIZE 768
  45 #define R700_PFP_UCODE_SIZE 848
  46 #define R700_PM4_UCODE_SIZE 1360
  47 #define R700_RLC_UCODE_SIZE 1024
  48 #define EVERGREEN_PFP_UCODE_SIZE 1120
  49 #define EVERGREEN_PM4_UCODE_SIZE 1376
  50 #define EVERGREEN_RLC_UCODE_SIZE 768
  51 #define CAYMAN_RLC_UCODE_SIZE 1024
  52
  53 /* Firmware Names */
  54 MODULE_FIRMWARE("radeon/R600_pfp.bin");
  55 MODULE_FIRMWARE("radeon/R600_me.bin");
  56 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  57 MODULE_FIRMWARE("radeon/RV610_me.bin");
  58 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  59 MODULE_FIRMWARE("radeon/RV630_me.bin");
  60 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  61 MODULE_FIRMWARE("radeon/RV620_me.bin");
  62 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  63 MODULE_FIRMWARE("radeon/RV635_me.bin");
  64 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  65 MODULE_FIRMWARE("radeon/RV670_me.bin");
  66 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  67 MODULE_FIRMWARE("radeon/RS780_me.bin");
  68 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  69 MODULE_FIRMWARE("radeon/RV770_me.bin");
  70 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  71 MODULE_FIRMWARE("radeon/RV730_me.bin");
  72 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  73 MODULE_FIRMWARE("radeon/RV710_me.bin");
  74 MODULE_FIRMWARE("radeon/R600_rlc.bin");
  75 MODULE_FIRMWARE("radeon/R700_rlc.bin");
  76 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  77 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  78 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
  79 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  80 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  81 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
  82 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  83 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  84 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
  85 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  86 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  87 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
  88 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  89 MODULE_FIRMWARE("radeon/PALM_me.bin");
  90 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  91 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  92 MODULE_FIRMWARE("radeon/SUMO_me.bin");
  93 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  94 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  95
  96 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
  97
  98 /* r600,rv610,rv630,rv620,rv635,rv670 */
  99 int r600_mc_wait_for_idle(struct radeon_device *rdev);
 100 void r600_gpu_init(struct radeon_device *rdev);
 101 void r600_fini(struct radeon_device *rdev);
 102 void r600_irq_disable(struct radeon_device *rdev);
 103 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 104
 105 /* get temperature in millidegrees */
 106 int rv6xx_get_temp(struct radeon_device *rdev)
 107 {
 108         u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 109                 ASIC_T_SHIFT;
 110         int actual_temp = temp & 0xff;
 111
 112         if (temp & 0x100)
 113                 actual_temp -= 256;
 114
 115         return actual_temp * 1000;
 116 }
 117
 118 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 119 {
 120         int i;
 121
 122         rdev->pm.dynpm_can_upclock = true;
 123         rdev->pm.dynpm_can_downclock = true;
 124
 125         /* power state array is low to high, default is first */
 126         if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 127                 int min_power_state_index = 0;
 128
 129                 if (rdev->pm.num_power_states > 2)
 130                         min_power_state_index = 1;
 131
 132                 switch (rdev->pm.dynpm_planned_action) {
 133                 case DYNPM_ACTION_MINIMUM:
 134                         rdev->pm.requested_power_state_index = min_power_state_index;
 135                         rdev->pm.requested_clock_mode_index = 0;
 136                         rdev->pm.dynpm_can_downclock = false;
 137                         break;
 138                 case DYNPM_ACTION_DOWNCLOCK:
 139                         if (rdev->pm.current_power_state_index == min_power_state_index) {
 140                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 141                                 rdev->pm.dynpm_can_downclock = false;
 142                         } else {
 143                                 if (rdev->pm.active_crtc_count > 1) {
 144                                         for (i = 0; i < rdev->pm.num_power_states; i++) {
 145                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 146                                                         continue;
 147                                                 else if (i >= rdev->pm.current_power_state_index) {
 148                                                         rdev->pm.requested_power_state_index =
 149                                                                 rdev->pm.current_power_state_index;
 150                                                         break;
 151                                                 } else {
 152                                                         rdev->pm.requested_power_state_index = i;
 153                                                         break;
 154                                                 }
 155                                         }
 156                                 } else {
 157                                         if (rdev->pm.current_power_state_index == 0)
 158                                                 rdev->pm.requested_power_state_index =
 159                                                         rdev->pm.num_power_states - 1;
 160                                         else
 161                                                 rdev->pm.requested_power_state_index =
 162                                                         rdev->pm.current_power_state_index - 1;
 163                                 }
 164                         }
 165                         rdev->pm.requested_clock_mode_index = 0;
 166                         /* don't use the power state if crtcs are active and no display flag is set */
 167                         if ((rdev->pm.active_crtc_count > 0) &&
 168                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 169                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 170                              RADEON_PM_MODE_NO_DISPLAY)) {
 171                                 rdev->pm.requested_power_state_index++;
 172                         }
 173                         break;
 174                 case DYNPM_ACTION_UPCLOCK:
 175                         if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 176                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 177                                 rdev->pm.dynpm_can_upclock = false;
 178                         } else {
 179                                 if (rdev->pm.active_crtc_count > 1) {
 180                                         for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 181                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 182                                                         continue;
 183                                                 else if (i <= rdev->pm.current_power_state_index) {
 184                                                         rdev->pm.requested_power_state_index =
 185                                                                 rdev->pm.current_power_state_index;
 186                                                         break;
 187                                                 } else {
 188                                                         rdev->pm.requested_power_state_index = i;
 189                                                         break;
 190                                                 }
 191                                         }
 192                                 } else
 193                                         rdev->pm.requested_power_state_index =
 194                                                 rdev->pm.current_power_state_index + 1;
 195                         }
 196                         rdev->pm.requested_clock_mode_index = 0;
 197                         break;
 198                 case DYNPM_ACTION_DEFAULT:
 199                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 200                         rdev->pm.requested_clock_mode_index = 0;
 201                         rdev->pm.dynpm_can_upclock = false;
 202                         break;
 203                 case DYNPM_ACTION_NONE:
 204                 default:
 205                         DRM_ERROR("Requested mode for not defined action\n");
 206                         return;
 207                 }
 208         } else {
 209                 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
 210                 /* for now just select the first power state and switch between clock modes */
 211                 /* power state array is low to high, default is first (0) */
 212                 if (rdev->pm.active_crtc_count > 1) {
 213                         rdev->pm.requested_power_state_index = -1;
 214                         /* start at 1 as we don't want the default mode */
 215                         for (i = 1; i < rdev->pm.num_power_states; i++) {
 216                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 217                                         continue;
 218                                 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 219                                          (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 220                                         rdev->pm.requested_power_state_index = i;
 221                                         break;
 222                                 }
 223                         }
 224                         /* if nothing selected, grab the default state. */
 225                         if (rdev->pm.requested_power_state_index == -1)
 226                                 rdev->pm.requested_power_state_index = 0;
 227                 } else
 228                         rdev->pm.requested_power_state_index = 1;
 229
 230                 switch (rdev->pm.dynpm_planned_action) {
 231                 case DYNPM_ACTION_MINIMUM:
 232                         rdev->pm.requested_clock_mode_index = 0;
 233                         rdev->pm.dynpm_can_downclock = false;
 234                         break;
 235                 case DYNPM_ACTION_DOWNCLOCK:
 236                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 237                                 if (rdev->pm.current_clock_mode_index == 0) {
 238                                         rdev->pm.requested_clock_mode_index = 0;
 239                                         rdev->pm.dynpm_can_downclock = false;
 240                                 } else
 241                                         rdev->pm.requested_clock_mode_index =
 242                                                 rdev->pm.current_clock_mode_index - 1;
 243                         } else {
 244                                 rdev->pm.requested_clock_mode_index = 0;
 245                                 rdev->pm.dynpm_can_downclock = false;
 246                         }
 247                         /* don't use the power state if crtcs are active and no display flag is set */
 248                         if ((rdev->pm.active_crtc_count > 0) &&
 249                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 250                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 251                              RADEON_PM_MODE_NO_DISPLAY)) {
 252                                 rdev->pm.requested_clock_mode_index++;
 253                         }
 254                         break;
 255                 case DYNPM_ACTION_UPCLOCK:
 256                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 257                                 if (rdev->pm.current_clock_mode_index ==
 258                                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 259                                         rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 260                                         rdev->pm.dynpm_can_upclock = false;
 261                                 } else
 262                                         rdev->pm.requested_clock_mode_index =
 263                                                 rdev->pm.current_clock_mode_index + 1;
 264                         } else {
 265                                 rdev->pm.requested_clock_mode_index =
 266                                         rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 267                                 rdev->pm.dynpm_can_upclock = false;
 268                         }
 269                         break;
 270                 case DYNPM_ACTION_DEFAULT:
 271                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 272                         rdev->pm.requested_clock_mode_index = 0;
 273                         rdev->pm.dynpm_can_upclock = false;
 274                         break;
 275                 case DYNPM_ACTION_NONE:
 276                 default:
 277                         DRM_ERROR("Requested mode for not defined action\n");
 278                         return;
 279                 }
 280         }
 281
 282         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 283                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 284                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 285                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 286                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 287                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 288                   pcie_lanes);
 289 }
 290
 291 void rs780_pm_init_profile(struct radeon_device *rdev)
 292 {
 293         if (rdev->pm.num_power_states == 2) {
 294                 /* default */
 295                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 296                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 297                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 298                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 299                 /* low sh */
 300                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 301                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 302                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 303                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 304                 /* mid sh */
 305                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 306                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 307                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 308                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 309                 /* high sh */
 310                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 311                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 312                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 313                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 314                 /* low mh */
 315                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 316                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 317                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 318                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 319                 /* mid mh */
 320                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 321                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 322                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 323                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 324                 /* high mh */
 325                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 326                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 327                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 328                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 329         } else if (rdev->pm.num_power_states == 3) {
 330                 /* default */
 331                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 332                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 333                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 334                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 335                 /* low sh */
 336                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 337                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 338                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 339                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 340                 /* mid sh */
 341                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 342                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 343                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 344                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 345                 /* high sh */
 346                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 347                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 348                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 349                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 350                 /* low mh */
 351                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 352                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 353                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 354                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 355                 /* mid mh */
 356                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 357                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 358                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 359                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 360                 /* high mh */
 361                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 362                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 363                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 364                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 365         } else {
 366                 /* default */
 367                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 368                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 369                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 370                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 371                 /* low sh */
 372                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 373                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 374                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 375                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 376                 /* mid sh */
 377                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 378                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 379                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 380                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 381                 /* high sh */
 382                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 383                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 384                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 385                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 386                 /* low mh */
 387                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 388                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 389                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 390                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 391                 /* mid mh */
 392                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 393                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 394                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 395                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 396                 /* high mh */
 397                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 398                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 399                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 400                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 401         }
 402 }
 403
 404 void r600_pm_init_profile(struct radeon_device *rdev)
 405 {
 406         int idx;
 407
 408         if (rdev->family == CHIP_R600) {
 409                 /* XXX */
 410                 /* default */
 411                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 412                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 413                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 414                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 415                 /* low sh */
 416                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 417                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 418                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 419                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 420                 /* mid sh */
 421                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 422                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 423                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 424                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 425                 /* high sh */
 426                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 427                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 428                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 429                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 430                 /* low mh */
 431                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 432                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 433                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 434                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 435                 /* mid mh */
 436                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 437                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 438                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 439                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 440                 /* high mh */
 441                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 442                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 443                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 444                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 445         } else {
 446                 if (rdev->pm.num_power_states < 4) {
 447                         /* default */
 448                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 449                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 450                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 451                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 452                         /* low sh */
 453                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 454                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 455                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 456                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 457                         /* mid sh */
 458                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 459                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 460                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 461                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 462                         /* high sh */
 463                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 464                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 465                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 466                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 467                         /* low mh */
 468                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 469                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 470                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 471                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 472                         /* low mh */
 473                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 474                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 475                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 476                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 477                         /* high mh */
 478                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 479                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 480                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 481                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 482                 } else {
 483                         /* default */
 484                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 485                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 486                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 487                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 488                         /* low sh */
 489                         if (rdev->flags & RADEON_IS_MOBILITY)
 490                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 491                         else
 492                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 493                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
 494                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
 495                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 496                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 497                         /* mid sh */
 498                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
 499                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
 500                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 501                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 502                         /* high sh */
 503                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 504                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
 505                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 506                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 507                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 508                         /* low mh */
 509                         if (rdev->flags & RADEON_IS_MOBILITY)
 510                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 511                         else
 512                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 513                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
 514                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
 515                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 516                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 517                         /* mid mh */
 518                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
 519                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
 520                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 521                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 522                         /* high mh */
 523                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 524                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
 525                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 526                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 527                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 528                 }
 529         }
 530 }
 531
 532 void r600_pm_misc(struct radeon_device *rdev)
 533 {
 534         int req_ps_idx = rdev->pm.requested_power_state_index;
 535         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 536         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 537         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 538
 539         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 540                 /* 0xff01 is a flag rather then an actual voltage */
 541                 if (voltage->voltage == 0xff01)
 542                         return;
 543                 if (voltage->voltage != rdev->pm.current_vddc) {
 544                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 545                         rdev->pm.current_vddc = voltage->voltage;
 546                         DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 547                 }
 548         }
 549 }
 550
 551 bool r600_gui_idle(struct radeon_device *rdev)
 552 {
 553         if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 554                 return false;
 555         else
 556                 return true;
 557 }
 558
 559 /* hpd for digital panel detect/disconnect */
 560 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 561 {
 562         bool connected = false;
 563
 564         if (ASIC_IS_DCE3(rdev)) {
 565                 switch (hpd) {
 566                 case RADEON_HPD_1:
 567                         if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 568                                 connected = true;
 569                         break;
 570                 case RADEON_HPD_2:
 571                         if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 572                                 connected = true;
 573                         break;
 574                 case RADEON_HPD_3:
 575                         if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 576                                 connected = true;
 577                         break;
 578                 case RADEON_HPD_4:
 579                         if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 580                                 connected = true;
 581                         break;
 582                         /* DCE 3.2 */
 583                 case RADEON_HPD_5:
 584                         if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 585                                 connected = true;
 586                         break;
 587                 case RADEON_HPD_6:
 588                         if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 589                                 connected = true;
 590                         break;
 591                 default:
 592                         break;
 593                 }
 594         } else {
 595                 switch (hpd) {
 596                 case RADEON_HPD_1:
 597                         if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 598                                 connected = true;
 599                         break;
 600                 case RADEON_HPD_2:
 601                         if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 602                                 connected = true;
 603                         break;
 604                 case RADEON_HPD_3:
 605                         if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 606                                 connected = true;
 607                         break;
 608                 default:
 609                         break;
 610                 }
 611         }
 612         return connected;
 613 }
 614
 615 void r600_hpd_set_polarity(struct radeon_device *rdev,
 616                            enum radeon_hpd_id hpd)
 617 {
 618         u32 tmp;
 619         bool connected = r600_hpd_sense(rdev, hpd);
 620
 621         if (ASIC_IS_DCE3(rdev)) {
 622                 switch (hpd) {
 623                 case RADEON_HPD_1:
 624                         tmp = RREG32(DC_HPD1_INT_CONTROL);
 625                         if (connected)
 626                                 tmp &= ~DC_HPDx_INT_POLARITY;
 627                         else
 628                                 tmp |= DC_HPDx_INT_POLARITY;
 629                         WREG32(DC_HPD1_INT_CONTROL, tmp);
 630                         break;
 631                 case RADEON_HPD_2:
 632                         tmp = RREG32(DC_HPD2_INT_CONTROL);
 633                         if (connected)
 634                                 tmp &= ~DC_HPDx_INT_POLARITY;
 635                         else
 636                                 tmp |= DC_HPDx_INT_POLARITY;
 637                         WREG32(DC_HPD2_INT_CONTROL, tmp);
 638                         break;
 639                 case RADEON_HPD_3:
 640                         tmp = RREG32(DC_HPD3_INT_CONTROL);
 641                         if (connected)
 642                                 tmp &= ~DC_HPDx_INT_POLARITY;
 643                         else
 644                                 tmp |= DC_HPDx_INT_POLARITY;
 645                         WREG32(DC_HPD3_INT_CONTROL, tmp);
 646                         break;
 647                 case RADEON_HPD_4:
 648                         tmp = RREG32(DC_HPD4_INT_CONTROL);
 649                         if (connected)
 650                                 tmp &= ~DC_HPDx_INT_POLARITY;
 651                         else
 652                                 tmp |= DC_HPDx_INT_POLARITY;
 653                         WREG32(DC_HPD4_INT_CONTROL, tmp);
 654                         break;
 655                 case RADEON_HPD_5:
 656                         tmp = RREG32(DC_HPD5_INT_CONTROL);
 657                         if (connected)
 658                                 tmp &= ~DC_HPDx_INT_POLARITY;
 659                         else
 660                                 tmp |= DC_HPDx_INT_POLARITY;
 661                         WREG32(DC_HPD5_INT_CONTROL, tmp);
 662                         break;
 663                         /* DCE 3.2 */
 664                 case RADEON_HPD_6:
 665                         tmp = RREG32(DC_HPD6_INT_CONTROL);
 666                         if (connected)
 667                                 tmp &= ~DC_HPDx_INT_POLARITY;
 668                         else
 669                                 tmp |= DC_HPDx_INT_POLARITY;
 670                         WREG32(DC_HPD6_INT_CONTROL, tmp);
 671                         break;
 672                 default:
 673                         break;
 674                 }
 675         } else {
 676                 switch (hpd) {
 677                 case RADEON_HPD_1:
 678                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 679                         if (connected)
 680                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 681                         else
 682                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 683                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 684                         break;
 685                 case RADEON_HPD_2:
 686                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 687                         if (connected)
 688                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 689                         else
 690                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 691                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 692                         break;
 693                 case RADEON_HPD_3:
 694                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 695                         if (connected)
 696                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 697                         else
 698                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 699                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 700                         break;
 701                 default:
 702                         break;
 703                 }
 704         }
 705 }
 706
 707 void r600_hpd_init(struct radeon_device *rdev)
 708 {
 709         struct drm_device *dev = rdev->ddev;
 710         struct drm_connector *connector;
 711
 712         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 713                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 714
 715                 if (ASIC_IS_DCE3(rdev)) {
 716                         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 717                         if (ASIC_IS_DCE32(rdev))
 718                                 tmp |= DC_HPDx_EN;
 719
 720                         switch (radeon_connector->hpd.hpd) {
 721                         case RADEON_HPD_1:
 722                                 WREG32(DC_HPD1_CONTROL, tmp);
 723                                 rdev->irq.hpd[0] = true;
 724                                 break;
 725                         case RADEON_HPD_2:
 726                                 WREG32(DC_HPD2_CONTROL, tmp);
 727                                 rdev->irq.hpd[1] = true;
 728                                 break;
 729                         case RADEON_HPD_3:
 730                                 WREG32(DC_HPD3_CONTROL, tmp);
 731                                 rdev->irq.hpd[2] = true;
 732                                 break;
 733                         case RADEON_HPD_4:
 734                                 WREG32(DC_HPD4_CONTROL, tmp);
 735                                 rdev->irq.hpd[3] = true;
 736                                 break;
 737                                 /* DCE 3.2 */
 738                         case RADEON_HPD_5:
 739                                 WREG32(DC_HPD5_CONTROL, tmp);
 740                                 rdev->irq.hpd[4] = true;
 741                                 break;
 742                         case RADEON_HPD_6:
 743                                 WREG32(DC_HPD6_CONTROL, tmp);
 744                                 rdev->irq.hpd[5] = true;
 745                                 break;
 746                         default:
 747                                 break;
 748                         }
 749                 } else {
 750                         switch (radeon_connector->hpd.hpd) {
 751                         case RADEON_HPD_1:
 752                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 753                                 rdev->irq.hpd[0] = true;
 754                                 break;
 755                         case RADEON_HPD_2:
 756                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 757                                 rdev->irq.hpd[1] = true;
 758                                 break;
 759                         case RADEON_HPD_3:
 760                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 761                                 rdev->irq.hpd[2] = true;
 762                                 break;
 763                         default:
 764                                 break;
 765                         }
 766                 }
 767                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 768         }
 769         if (rdev->irq.installed)
 770                 r600_irq_set(rdev);
 771 }
 772
 773 void r600_hpd_fini(struct radeon_device *rdev)
 774 {
 775         struct drm_device *dev = rdev->ddev;
 776         struct drm_connector *connector;
 777
 778         if (ASIC_IS_DCE3(rdev)) {
 779                 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 780                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 781                         switch (radeon_connector->hpd.hpd) {
 782                         case RADEON_HPD_1:
 783                                 WREG32(DC_HPD1_CONTROL, 0);
 784                                 rdev->irq.hpd[0] = false;
 785                                 break;
 786                         case RADEON_HPD_2:
 787                                 WREG32(DC_HPD2_CONTROL, 0);
 788                                 rdev->irq.hpd[1] = false;
 789                                 break;
 790                         case RADEON_HPD_3:
 791                                 WREG32(DC_HPD3_CONTROL, 0);
 792                                 rdev->irq.hpd[2] = false;
 793                                 break;
 794                         case RADEON_HPD_4:
 795                                 WREG32(DC_HPD4_CONTROL, 0);
 796                                 rdev->irq.hpd[3] = false;
 797                                 break;
 798                                 /* DCE 3.2 */
 799                         case RADEON_HPD_5:
 800                                 WREG32(DC_HPD5_CONTROL, 0);
 801                                 rdev->irq.hpd[4] = false;
 802                                 break;
 803                         case RADEON_HPD_6:
 804                                 WREG32(DC_HPD6_CONTROL, 0);
 805                                 rdev->irq.hpd[5] = false;
 806                                 break;
 807                         default:
 808                                 break;
 809                         }
 810                 }
 811         } else {
 812                 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 813                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 814                         switch (radeon_connector->hpd.hpd) {
 815                         case RADEON_HPD_1:
 816                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
 817                                 rdev->irq.hpd[0] = false;
 818                                 break;
 819                         case RADEON_HPD_2:
 820                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
 821                                 rdev->irq.hpd[1] = false;
 822                                 break;
 823                         case RADEON_HPD_3:
 824                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
 825                                 rdev->irq.hpd[2] = false;
 826                                 break;
 827                         default:
 828                                 break;
 829                         }
 830                 }
 831         }
 832 }
 833
 834 /*
 835  * R600 PCIE GART
 836  */
 837 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
 838 {
 839         unsigned i;
 840         u32 tmp;
 841
 842         /* flush hdp cache so updates hit vram */
 843         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
 844             !(rdev->flags & RADEON_IS_AGP)) {
 845                 void __iomem *ptr = (void *)rdev->gart.ptr;
 846                 u32 tmp;
 847
 848                 /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
 849                  * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
 850                  * This seems to cause problems on some AGP cards. Just use the old
 851                  * method for them.
 852                  */
 853                 WREG32(HDP_DEBUG1, 0);
 854                 tmp = readl((void __iomem *)ptr);
 855         } else
 856                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
 857
 858         WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
 859         WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
 860         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 861         for (i = 0; i < rdev->usec_timeout; i++) {
 862                 /* read MC_STATUS */
 863                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 864                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 865                 if (tmp == 2) {
 866                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 867                         return;
 868                 }
 869                 if (tmp) {
 870                         return;
 871                 }
 872                 udelay(1);
 873         }
 874 }
 875
 876 int r600_pcie_gart_init(struct radeon_device *rdev)
 877 {
 878         int r;
 879
 880         if (rdev->gart.robj) {
 881                 WARN(1, "R600 PCIE GART already initialized\n");
 882                 return 0;
 883         }
 884         /* Initialize common gart structure */
 885         r = radeon_gart_init(rdev);
 886         if (r)
 887                 return r;
 888         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 889         return radeon_gart_table_vram_alloc(rdev);
 890 }
 891
 892 int r600_pcie_gart_enable(struct radeon_device *rdev)
 893 {
 894         u32 tmp;
 895         int r, i;
 896
 897         if (rdev->gart.robj == NULL) {
 898                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 899                 return -EINVAL;
 900         }
 901         r = radeon_gart_table_vram_pin(rdev);
 902         if (r)
 903                 return r;
 904         radeon_gart_restore(rdev);
 905
 906         /* Setup L2 cache */
 907         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 908                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 909                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 910         WREG32(VM_L2_CNTL2, 0);
 911         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
 912         /* Setup TLB control */
 913         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 914                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 915                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
 916                 ENABLE_WAIT_L2_QUERY;
 917         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
 918         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
 919         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
 920         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
 921         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
 922         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
 923         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
 924         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
 925         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
 926         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
 927         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
 928         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
 929         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 930         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 931         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 932         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 933         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 934         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 935                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 936         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 937                         (u32)(rdev->dummy_page.addr >> 12));
 938         for (i = 1; i < 7; i++)
 939                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 940
 941         r600_pcie_gart_tlb_flush(rdev);
 942         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 943                  (unsigned)(rdev->mc.gtt_size >> 20),
 944                  (unsigned long long)rdev->gart.table_addr);
 945         rdev->gart.ready = true;
 946         return 0;
 947 }
 948
 949 void r600_pcie_gart_disable(struct radeon_device *rdev)
 950 {
 951         u32 tmp;
 952         int i;
 953
 954         /* Disable all tables */
 955         for (i = 0; i < 7; i++)
 956                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 957
 958         /* Disable L2 cache */
 959         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 960                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 961         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
 962         /* Setup L1 TLB control */
 963         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
 964                 ENABLE_WAIT_L2_QUERY;
 965         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
 966         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
 967         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
 968         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
 969         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
 970         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
 971         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
 972         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
 973         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
 974         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
 975         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
 976         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
 977         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
 978         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
 979         radeon_gart_table_vram_unpin(rdev);
 980 }
 981
 982 void r600_pcie_gart_fini(struct radeon_device *rdev)
 983 {
 984         radeon_gart_fini(rdev);
 985         r600_pcie_gart_disable(rdev);
 986         radeon_gart_table_vram_free(rdev);
 987 }
 988
 989 void r600_agp_enable(struct radeon_device *rdev)
 990 {
 991         u32 tmp;
 992         int i;
 993
 994         /* Setup L2 cache */
 995         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 996                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 997                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 998         WREG32(VM_L2_CNTL2, 0);
 999         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1000         /* Setup TLB control */
1001         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1002                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1003                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1004                 ENABLE_WAIT_L2_QUERY;
1005         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1006         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1007         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1008         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1009         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1010         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1011         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1012         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1013         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1014         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1015         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1016         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1017         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1018         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1019         for (i = 0; i < 7; i++)
1020                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1021 }
1022
1023 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1024 {
1025         unsigned i;
1026         u32 tmp;
1027
1028         for (i = 0; i < rdev->usec_timeout; i++) {
1029                 /* read MC_STATUS */
1030                 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1031                 if (!tmp)
1032                         return 0;
1033                 udelay(1);
1034         }
1035         return -1;
1036 }
1037
1038 static void r600_mc_program(struct radeon_device *rdev)
1039 {
1040         struct rv515_mc_save save;
1041         u32 tmp;
1042         int i, j;
1043
1044         /* Initialize HDP */
1045         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1046                 WREG32((0x2c14 + j), 0x00000000);
1047                 WREG32((0x2c18 + j), 0x00000000);
1048                 WREG32((0x2c1c + j), 0x00000000);
1049                 WREG32((0x2c20 + j), 0x00000000);
1050                 WREG32((0x2c24 + j), 0x00000000);
1051         }
1052         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1053
1054         rv515_mc_stop(rdev, &save);
1055         if (r600_mc_wait_for_idle(rdev)) {
1056                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1057         }
1058         /* Lockout access through VGA aperture (doesn't exist before R600) */
1059         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1060         /* Update configuration */
1061         if (rdev->flags & RADEON_IS_AGP) {
1062                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1063                         /* VRAM before AGP */
1064                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1065                                 rdev->mc.vram_start >> 12);
1066                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1067                                 rdev->mc.gtt_end >> 12);
1068                 } else {
1069                         /* VRAM after AGP */
1070                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1071                                 rdev->mc.gtt_start >> 12);
1072                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1073                                 rdev->mc.vram_end >> 12);
1074                 }
1075         } else {
1076                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1077                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1078         }
1079         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1080         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1081         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1082         WREG32(MC_VM_FB_LOCATION, tmp);
1083         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1084         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1085         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1086         if (rdev->flags & RADEON_IS_AGP) {
1087                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1088                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1089                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1090         } else {
1091                 WREG32(MC_VM_AGP_BASE, 0);
1092                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1093                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1094         }
1095         if (r600_mc_wait_for_idle(rdev)) {
1096                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1097         }
1098         rv515_mc_resume(rdev, &save);
1099         /* we need to own VRAM, so turn off the VGA renderer here
1100          * to stop it overwriting our objects */
1101         rv515_vga_render_disable(rdev);
1102 }
1103
1104 /**
1105  * r600_vram_gtt_location - try to find VRAM & GTT location
1106  * @rdev: radeon device structure holding all necessary informations
1107  * @mc: memory controller structure holding memory informations
1108  *
1109  * Function will place try to place VRAM at same place as in CPU (PCI)
1110  * address space as some GPU seems to have issue when we reprogram at
1111  * different address space.
1112  *
1113  * If there is not enough space to fit the unvisible VRAM after the
1114  * aperture then we limit the VRAM size to the aperture.
1115  *
1116  * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1117  * them to be in one from GPU point of view so that we can program GPU to
1118  * catch access outside them (weird GPU policy see ??).
1119  *
1120  * This function will never fails, worst case are limiting VRAM or GTT.
1121  *
1122  * Note: GTT start, end, size should be initialized before calling this
1123  * function on AGP platform.
1124  */
1125 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1126 {
1127         u64 size_bf, size_af;
1128
1129         if (mc->mc_vram_size > 0xE0000000) {
1130                 /* leave room for at least 512M GTT */
1131                 dev_warn(rdev->dev, "limiting VRAM\n");
1132                 mc->real_vram_size = 0xE0000000;
1133                 mc->mc_vram_size = 0xE0000000;
1134         }
1135         if (rdev->flags & RADEON_IS_AGP) {
1136                 size_bf = mc->gtt_start;
1137                 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1138                 if (size_bf > size_af) {
1139                         if (mc->mc_vram_size > size_bf) {
1140                                 dev_warn(rdev->dev, "limiting VRAM\n");
1141                                 mc->real_vram_size = size_bf;
1142                                 mc->mc_vram_size = size_bf;
1143                         }
1144                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1145                 } else {
1146                         if (mc->mc_vram_size > size_af) {
1147                                 dev_warn(rdev->dev, "limiting VRAM\n");
1148                                 mc->real_vram_size = size_af;
1149                                 mc->mc_vram_size = size_af;
1150                         }
1151                         mc->vram_start = mc->gtt_end;
1152                 }
1153                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1154                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1155                                 mc->mc_vram_size >> 20, mc->vram_start,
1156                                 mc->vram_end, mc->real_vram_size >> 20);
1157         } else {
1158                 u64 base = 0;
1159                 if (rdev->flags & RADEON_IS_IGP) {
1160                         base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1161                         base <<= 24;
1162                 }
1163                 radeon_vram_location(rdev, &rdev->mc, base);
1164                 rdev->mc.gtt_base_align = 0;
1165                 radeon_gtt_location(rdev, mc);
1166         }
1167 }
1168
1169 int r600_mc_init(struct radeon_device *rdev)
1170 {
1171         u32 tmp;
1172         int chansize, numchan;
1173
1174         /* Get VRAM informations */
1175         rdev->mc.vram_is_ddr = true;
1176         tmp = RREG32(RAMCFG);
1177         if (tmp & CHANSIZE_OVERRIDE) {
1178                 chansize = 16;
1179         } else if (tmp & CHANSIZE_MASK) {
1180                 chansize = 64;
1181         } else {
1182                 chansize = 32;
1183         }
1184         tmp = RREG32(CHMAP);
1185         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1186         case 0:
1187         default:
1188                 numchan = 1;
1189                 break;
1190         case 1:
1191                 numchan = 2;
1192                 break;
1193         case 2:
1194                 numchan = 4;
1195                 break;
1196         case 3:
1197                 numchan = 8;
1198                 break;
1199         }
1200         rdev->mc.vram_width = numchan * chansize;
1201         /* Could aper size report 0 ? */
1202         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1203         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1204         /* Setup GPU memory space */
1205         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1206         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1207         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1208         r600_vram_gtt_location(rdev, &rdev->mc);
1209
1210         if (rdev->flags & RADEON_IS_IGP) {
1211                 rs690_pm_info(rdev);
1212                 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1213         }
1214         radeon_update_bandwidth_info(rdev);
1215         return 0;
1216 }
1217
1218 int r600_vram_scratch_init(struct radeon_device *rdev)
1219 {
1220         int r;
1221
1222         if (rdev->vram_scratch.robj == NULL) {
1223                 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1224                                      PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1225                                      &rdev->vram_scratch.robj);
1226                 if (r) {
1227                         return r;
1228                 }
1229         }
1230
1231         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1232         if (unlikely(r != 0))
1233                 return r;
1234         r = radeon_bo_pin(rdev->vram_scratch.robj,
1235                           RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1236         if (r) {
1237                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1238                 return r;
1239         }
1240         r = radeon_bo_kmap(rdev->vram_scratch.robj,
1241                                 (void **)&rdev->vram_scratch.ptr);
1242         if (r)
1243                 radeon_bo_unpin(rdev->vram_scratch.robj);
1244         radeon_bo_unreserve(rdev->vram_scratch.robj);
1245
1246         return r;
1247 }
1248
1249 void r600_vram_scratch_fini(struct radeon_device *rdev)
1250 {
1251         int r;
1252
1253         if (rdev->vram_scratch.robj == NULL) {
1254                 return;
1255         }
1256         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1257         if (likely(r == 0)) {
1258                 radeon_bo_kunmap(rdev->vram_scratch.robj);
1259                 radeon_bo_unpin(rdev->vram_scratch.robj);
1260                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1261         }
1262         radeon_bo_unref(&rdev->vram_scratch.robj);
1263 }
1264
1265 /* We doesn't check that the GPU really needs a reset we simply do the
1266  * reset, it's up to the caller to determine if the GPU needs one. We
1267  * might add an helper function to check that.
1268  */
1269 int r600_gpu_soft_reset(struct radeon_device *rdev)
1270 {
1271         struct rv515_mc_save save;
1272         u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) |
1273                                 S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) |
1274                                 S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) |
1275                                 S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) |
1276                                 S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) |
1277                                 S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) |
1278                                 S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) |
1279                                 S_008010_GUI_ACTIVE(1);
1280         u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) |
1281                         S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) |
1282                         S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) |
1283                         S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) |
1284                         S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) |
1285                         S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) |
1286                         S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) |
1287                         S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1);
1288         u32 tmp;
1289
1290         if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
1291                 return 0;
1292
1293         dev_info(rdev->dev, "GPU softreset \n");
1294         dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
1295                 RREG32(R_008010_GRBM_STATUS));
1296         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
1297                 RREG32(R_008014_GRBM_STATUS2));
1298         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
1299                 RREG32(R_000E50_SRBM_STATUS));
1300         rv515_mc_stop(rdev, &save);
1301         if (r600_mc_wait_for_idle(rdev)) {
1302                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1303         }
1304         /* Disable CP parsing/prefetching */
1305         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1306         /* Check if any of the rendering block is busy and reset it */
1307         if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) ||
1308             (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) {
1309                 tmp = S_008020_SOFT_RESET_CR(1) |
1310                         S_008020_SOFT_RESET_DB(1) |
1311                         S_008020_SOFT_RESET_CB(1) |
1312                         S_008020_SOFT_RESET_PA(1) |
1313                         S_008020_SOFT_RESET_SC(1) |
1314                         S_008020_SOFT_RESET_SMX(1) |
1315                         S_008020_SOFT_RESET_SPI(1) |
1316                         S_008020_SOFT_RESET_SX(1) |
1317                         S_008020_SOFT_RESET_SH(1) |
1318                         S_008020_SOFT_RESET_TC(1) |
1319                         S_008020_SOFT_RESET_TA(1) |
1320                         S_008020_SOFT_RESET_VC(1) |
1321                         S_008020_SOFT_RESET_VGT(1);
1322                 dev_info(rdev->dev, "  R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1323                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1324                 RREG32(R_008020_GRBM_SOFT_RESET);
1325                 mdelay(15);
1326                 WREG32(R_008020_GRBM_SOFT_RESET, 0);
1327         }
1328         /* Reset CP (we always reset CP) */
1329         tmp = S_008020_SOFT_RESET_CP(1);
1330         dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1331         WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1332         RREG32(R_008020_GRBM_SOFT_RESET);
1333         mdelay(15);
1334         WREG32(R_008020_GRBM_SOFT_RESET, 0);
1335         /* Wait a little for things to settle down */
1336         mdelay(1);
1337         dev_info(rdev->dev, "  R_008010_GRBM_STATUS=0x%08X\n",
1338                 RREG32(R_008010_GRBM_STATUS));
1339         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2=0x%08X\n",
1340                 RREG32(R_008014_GRBM_STATUS2));
1341         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS=0x%08X\n",
1342                 RREG32(R_000E50_SRBM_STATUS));
1343         rv515_mc_resume(rdev, &save);
1344         return 0;
1345 }
1346
1347 bool r600_gpu_is_lockup(struct radeon_device *rdev)
1348 {
1349         u32 srbm_status;
1350         u32 grbm_status;
1351         u32 grbm_status2;
1352         struct r100_gpu_lockup *lockup;
1353         int r;
1354
1355         if (rdev->family >= CHIP_RV770)
1356                 lockup = &rdev->config.rv770.lockup;
1357         else
1358                 lockup = &rdev->config.r600.lockup;
1359
1360         srbm_status = RREG32(R_000E50_SRBM_STATUS);
1361         grbm_status = RREG32(R_008010_GRBM_STATUS);
1362         grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
1363         if (!G_008010_GUI_ACTIVE(grbm_status)) {
1364                 r100_gpu_lockup_update(lockup, &rdev->cp);
1365                 return false;
1366         }
1367         /* force CP activities */
1368         r = radeon_ring_lock(rdev, 2);
1369         if (!r) {
1370                 /* PACKET2 NOP */
1371                 radeon_ring_write(rdev, 0x80000000);
1372                 radeon_ring_write(rdev, 0x80000000);
1373                 radeon_ring_unlock_commit(rdev);
1374         }
1375         rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
1376         return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
1377 }
1378
1379 int r600_asic_reset(struct radeon_device *rdev)
1380 {
1381         return r600_gpu_soft_reset(rdev);
1382 }
1383
1384 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
1385                                              u32 num_backends,
1386                                              u32 backend_disable_mask)
1387 {
1388         u32 backend_map = 0;
1389         u32 enabled_backends_mask;
1390         u32 enabled_backends_count;
1391         u32 cur_pipe;
1392         u32 swizzle_pipe[R6XX_MAX_PIPES];
1393         u32 cur_backend;
1394         u32 i;
1395
1396         if (num_tile_pipes > R6XX_MAX_PIPES)
1397                 num_tile_pipes = R6XX_MAX_PIPES;
1398         if (num_tile_pipes < 1)
1399                 num_tile_pipes = 1;
1400         if (num_backends > R6XX_MAX_BACKENDS)
1401                 num_backends = R6XX_MAX_BACKENDS;
1402         if (num_backends < 1)
1403                 num_backends = 1;
1404
1405         enabled_backends_mask = 0;
1406         enabled_backends_count = 0;
1407         for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
1408                 if (((backend_disable_mask >> i) & 1) == 0) {
1409                         enabled_backends_mask |= (1 << i);
1410                         ++enabled_backends_count;
1411                 }
1412                 if (enabled_backends_count == num_backends)
1413                         break;
1414         }
1415
1416         if (enabled_backends_count == 0) {
1417                 enabled_backends_mask = 1;
1418                 enabled_backends_count = 1;
1419         }
1420
1421         if (enabled_backends_count != num_backends)
1422                 num_backends = enabled_backends_count;
1423
1424         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
1425         switch (num_tile_pipes) {
1426         case 1:
1427                 swizzle_pipe[0] = 0;
1428                 break;
1429         case 2:
1430                 swizzle_pipe[0] = 0;
1431                 swizzle_pipe[1] = 1;
1432                 break;
1433         case 3:
1434                 swizzle_pipe[0] = 0;
1435                 swizzle_pipe[1] = 1;
1436                 swizzle_pipe[2] = 2;
1437                 break;
1438         case 4:
1439                 swizzle_pipe[0] = 0;
1440                 swizzle_pipe[1] = 1;
1441                 swizzle_pipe[2] = 2;
1442                 swizzle_pipe[3] = 3;
1443                 break;
1444         case 5:
1445                 swizzle_pipe[0] = 0;
1446                 swizzle_pipe[1] = 1;
1447                 swizzle_pipe[2] = 2;
1448                 swizzle_pipe[3] = 3;
1449                 swizzle_pipe[4] = 4;
1450                 break;
1451         case 6:
1452                 swizzle_pipe[0] = 0;
1453                 swizzle_pipe[1] = 2;
1454                 swizzle_pipe[2] = 4;
1455                 swizzle_pipe[3] = 5;
1456                 swizzle_pipe[4] = 1;
1457                 swizzle_pipe[5] = 3;
1458                 break;
1459         case 7:
1460                 swizzle_pipe[0] = 0;
1461                 swizzle_pipe[1] = 2;
1462                 swizzle_pipe[2] = 4;
1463                 swizzle_pipe[3] = 6;
1464                 swizzle_pipe[4] = 1;
1465                 swizzle_pipe[5] = 3;
1466                 swizzle_pipe[6] = 5;
1467                 break;
1468         case 8:
1469                 swizzle_pipe[0] = 0;
1470                 swizzle_pipe[1] = 2;
1471                 swizzle_pipe[2] = 4;
1472                 swizzle_pipe[3] = 6;
1473                 swizzle_pipe[4] = 1;
1474                 swizzle_pipe[5] = 3;
1475                 swizzle_pipe[6] = 5;
1476                 swizzle_pipe[7] = 7;
1477                 break;
1478         }
1479
1480         cur_backend = 0;
1481         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1482                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
1483                         cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1484
1485                 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
1486
1487                 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
1488         }
1489
1490         return backend_map;
1491 }
1492
1493 int r600_count_pipe_bits(uint32_t val)
1494 {
1495         int i, ret = 0;
1496
1497         for (i = 0; i < 32; i++) {
1498                 ret += val & 1;
1499                 val >>= 1;
1500         }
1501         return ret;
1502 }
1503
1504 void r600_gpu_init(struct radeon_device *rdev)
1505 {
1506         u32 tiling_config;
1507         u32 ramcfg;
1508         u32 backend_map;
1509         u32 cc_rb_backend_disable;
1510         u32 cc_gc_shader_pipe_config;
1511         u32 tmp;
1512         int i, j;
1513         u32 sq_config;
1514         u32 sq_gpr_resource_mgmt_1 = 0;
1515         u32 sq_gpr_resource_mgmt_2 = 0;
1516         u32 sq_thread_resource_mgmt = 0;
1517         u32 sq_stack_resource_mgmt_1 = 0;
1518         u32 sq_stack_resource_mgmt_2 = 0;
1519
1520         /* FIXME: implement */
1521         switch (rdev->family) {
1522         case CHIP_R600:
1523                 rdev->config.r600.max_pipes = 4;
1524                 rdev->config.r600.max_tile_pipes = 8;
1525                 rdev->config.r600.max_simds = 4;
1526                 rdev->config.r600.max_backends = 4;
1527                 rdev->config.r600.max_gprs = 256;
1528                 rdev->config.r600.max_threads = 192;
1529                 rdev->config.r600.max_stack_entries = 256;
1530                 rdev->config.r600.max_hw_contexts = 8;
1531                 rdev->config.r600.max_gs_threads = 16;
1532                 rdev->config.r600.sx_max_export_size = 128;
1533                 rdev->config.r600.sx_max_export_pos_size = 16;
1534                 rdev->config.r600.sx_max_export_smx_size = 128;
1535                 rdev->config.r600.sq_num_cf_insts = 2;
1536                 break;
1537         case CHIP_RV630:
1538         case CHIP_RV635:
1539                 rdev->config.r600.max_pipes = 2;
1540                 rdev->config.r600.max_tile_pipes = 2;
1541                 rdev->config.r600.max_simds = 3;
1542                 rdev->config.r600.max_backends = 1;
1543                 rdev->config.r600.max_gprs = 128;
1544                 rdev->config.r600.max_threads = 192;
1545                 rdev->config.r600.max_stack_entries = 128;
1546                 rdev->config.r600.max_hw_contexts = 8;
1547                 rdev->config.r600.max_gs_threads = 4;
1548                 rdev->config.r600.sx_max_export_size = 128;
1549                 rdev->config.r600.sx_max_export_pos_size = 16;
1550                 rdev->config.r600.sx_max_export_smx_size = 128;
1551                 rdev->config.r600.sq_num_cf_insts = 2;
1552                 break;
1553         case CHIP_RV610:
1554         case CHIP_RV620:
1555         case CHIP_RS780:
1556         case CHIP_RS880:
1557                 rdev->config.r600.max_pipes = 1;
1558                 rdev->config.r600.max_tile_pipes = 1;
1559                 rdev->config.r600.max_simds = 2;
1560                 rdev->config.r600.max_backends = 1;
1561                 rdev->config.r600.max_gprs = 128;
1562                 rdev->config.r600.max_threads = 192;
1563                 rdev->config.r600.max_stack_entries = 128;
1564                 rdev->config.r600.max_hw_contexts = 4;
1565                 rdev->config.r600.max_gs_threads = 4;
1566                 rdev->config.r600.sx_max_export_size = 128;
1567                 rdev->config.r600.sx_max_export_pos_size = 16;
1568                 rdev->config.r600.sx_max_export_smx_size = 128;
1569                 rdev->config.r600.sq_num_cf_insts = 1;
1570                 break;
1571         case CHIP_RV670:
1572                 rdev->config.r600.max_pipes = 4;
1573                 rdev->config.r600.max_tile_pipes = 4;
1574                 rdev->config.r600.max_simds = 4;
1575                 rdev->config.r600.max_backends = 4;
1576                 rdev->config.r600.max_gprs = 192;
1577                 rdev->config.r600.max_threads = 192;
1578                 rdev->config.r600.max_stack_entries = 256;
1579                 rdev->config.r600.max_hw_contexts = 8;
1580                 rdev->config.r600.max_gs_threads = 16;
1581                 rdev->config.r600.sx_max_export_size = 128;
1582                 rdev->config.r600.sx_max_export_pos_size = 16;
1583                 rdev->config.r600.sx_max_export_smx_size = 128;
1584                 rdev->config.r600.sq_num_cf_insts = 2;
1585                 break;
1586         default:
1587                 break;
1588         }
1589
1590         /* Initialize HDP */
1591         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1592                 WREG32((0x2c14 + j), 0x00000000);
1593                 WREG32((0x2c18 + j), 0x00000000);
1594                 WREG32((0x2c1c + j), 0x00000000);
1595                 WREG32((0x2c20 + j), 0x00000000);
1596                 WREG32((0x2c24 + j), 0x00000000);
1597         }
1598
1599         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1600
1601         /* Setup tiling */
1602         tiling_config = 0;
1603         ramcfg = RREG32(RAMCFG);
1604         switch (rdev->config.r600.max_tile_pipes) {
1605         case 1:
1606                 tiling_config |= PIPE_TILING(0);
1607                 break;
1608         case 2:
1609                 tiling_config |= PIPE_TILING(1);
1610                 break;
1611         case 4:
1612                 tiling_config |= PIPE_TILING(2);
1613                 break;
1614         case 8:
1615                 tiling_config |= PIPE_TILING(3);
1616                 break;
1617         default:
1618                 break;
1619         }
1620         rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1621         rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1622         tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1623         tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1624         if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
1625                 rdev->config.r600.tiling_group_size = 512;
1626         else
1627                 rdev->config.r600.tiling_group_size = 256;
1628         tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1629         if (tmp > 3) {
1630                 tiling_config |= ROW_TILING(3);
1631                 tiling_config |= SAMPLE_SPLIT(3);
1632         } else {
1633                 tiling_config |= ROW_TILING(tmp);
1634                 tiling_config |= SAMPLE_SPLIT(tmp);
1635         }
1636         tiling_config |= BANK_SWAPS(1);
1637
1638         cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1639         cc_rb_backend_disable |=
1640                 BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
1641
1642         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
1643         cc_gc_shader_pipe_config |=
1644                 INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
1645         cc_gc_shader_pipe_config |=
1646                 INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
1647
1648         backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
1649                                                         (R6XX_MAX_BACKENDS -
1650                                                          r600_count_pipe_bits((cc_rb_backend_disable &
1651                                                                                R6XX_MAX_BACKENDS_MASK) >> 16)),
1652                                                         (cc_rb_backend_disable >> 16));
1653         rdev->config.r600.tile_config = tiling_config;
1654         rdev->config.r600.backend_map = backend_map;
1655         tiling_config |= BACKEND_MAP(backend_map);
1656         WREG32(GB_TILING_CONFIG, tiling_config);
1657         WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1658         WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1659
1660         /* Setup pipes */
1661         WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
1662         WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1663         WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
1664
1665         tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1666         WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1667         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1668
1669         /* Setup some CP states */
1670         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1671         WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1672
1673         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1674                              SYNC_WALKER | SYNC_ALIGNER));
1675         /* Setup various GPU states */
1676         if (rdev->family == CHIP_RV670)
1677                 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1678
1679         tmp = RREG32(SX_DEBUG_1);
1680         tmp |= SMX_EVENT_RELEASE;
1681         if ((rdev->family > CHIP_R600))
1682                 tmp |= ENABLE_NEW_SMX_ADDRESS;
1683         WREG32(SX_DEBUG_1, tmp);
1684
1685         if (((rdev->family) == CHIP_R600) ||
1686             ((rdev->family) == CHIP_RV630) ||
1687             ((rdev->family) == CHIP_RV610) ||
1688             ((rdev->family) == CHIP_RV620) ||
1689             ((rdev->family) == CHIP_RS780) ||
1690             ((rdev->family) == CHIP_RS880)) {
1691                 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1692         } else {
1693                 WREG32(DB_DEBUG, 0);
1694         }
1695         WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1696                                DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1697
1698         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1699         WREG32(VGT_NUM_INSTANCES, 0);
1700
1701         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1702         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1703
1704         tmp = RREG32(SQ_MS_FIFO_SIZES);
1705         if (((rdev->family) == CHIP_RV610) ||
1706             ((rdev->family) == CHIP_RV620) ||
1707             ((rdev->family) == CHIP_RS780) ||
1708             ((rdev->family) == CHIP_RS880)) {
1709                 tmp = (CACHE_FIFO_SIZE(0xa) |
1710                        FETCH_FIFO_HIWATER(0xa) |
1711                        DONE_FIFO_HIWATER(0xe0) |
1712                        ALU_UPDATE_FIFO_HIWATER(0x8));
1713         } else if (((rdev->family) == CHIP_R600) ||
1714                    ((rdev->family) == CHIP_RV630)) {
1715                 tmp &= ~DONE_FIFO_HIWATER(0xff);
1716                 tmp |= DONE_FIFO_HIWATER(0x4);
1717         }
1718         WREG32(SQ_MS_FIFO_SIZES, tmp);
1719
1720         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1721          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1722          */
1723         sq_config = RREG32(SQ_CONFIG);
1724         sq_config &= ~(PS_PRIO(3) |
1725                        VS_PRIO(3) |
1726                        GS_PRIO(3) |
1727                        ES_PRIO(3));
1728         sq_config |= (DX9_CONSTS |
1729                       VC_ENABLE |
1730                       PS_PRIO(0) |
1731                       VS_PRIO(1) |
1732                       GS_PRIO(2) |
1733                       ES_PRIO(3));
1734
1735         if ((rdev->family) == CHIP_R600) {
1736                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1737                                           NUM_VS_GPRS(124) |
1738                                           NUM_CLAUSE_TEMP_GPRS(4));
1739                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1740                                           NUM_ES_GPRS(0));
1741                 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1742                                            NUM_VS_THREADS(48) |
1743                                            NUM_GS_THREADS(4) |
1744                                            NUM_ES_THREADS(4));
1745                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1746                                             NUM_VS_STACK_ENTRIES(128));
1747                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1748                                             NUM_ES_STACK_ENTRIES(0));
1749         } else if (((rdev->family) == CHIP_RV610) ||
1750                    ((rdev->family) == CHIP_RV620) ||
1751                    ((rdev->family) == CHIP_RS780) ||
1752                    ((rdev->family) == CHIP_RS880)) {
1753                 /* no vertex cache */
1754                 sq_config &= ~VC_ENABLE;
1755
1756                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1757                                           NUM_VS_GPRS(44) |
1758                                           NUM_CLAUSE_TEMP_GPRS(2));
1759                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1760                                           NUM_ES_GPRS(17));
1761                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1762                                            NUM_VS_THREADS(78) |
1763                                            NUM_GS_THREADS(4) |
1764                                            NUM_ES_THREADS(31));
1765                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1766                                             NUM_VS_STACK_ENTRIES(40));
1767                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1768                                             NUM_ES_STACK_ENTRIES(16));
1769         } else if (((rdev->family) == CHIP_RV630) ||
1770                    ((rdev->family) == CHIP_RV635)) {
1771                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1772                                           NUM_VS_GPRS(44) |
1773                                           NUM_CLAUSE_TEMP_GPRS(2));
1774                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1775                                           NUM_ES_GPRS(18));
1776                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1777                                            NUM_VS_THREADS(78) |
1778                                            NUM_GS_THREADS(4) |
1779                                            NUM_ES_THREADS(31));
1780                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1781                                             NUM_VS_STACK_ENTRIES(40));
1782                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1783                                             NUM_ES_STACK_ENTRIES(16));
1784         } else if ((rdev->family) == CHIP_RV670) {
1785                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1786                                           NUM_VS_GPRS(44) |
1787                                           NUM_CLAUSE_TEMP_GPRS(2));
1788                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1789                                           NUM_ES_GPRS(17));
1790                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1791                                            NUM_VS_THREADS(78) |
1792                                            NUM_GS_THREADS(4) |
1793                                            NUM_ES_THREADS(31));
1794                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1795                                             NUM_VS_STACK_ENTRIES(64));
1796                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1797                                             NUM_ES_STACK_ENTRIES(64));
1798         }
1799
1800         WREG32(SQ_CONFIG, sq_config);
1801         WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
1802         WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
1803         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1804         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1805         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1806
1807         if (((rdev->family) == CHIP_RV610) ||
1808             ((rdev->family) == CHIP_RV620) ||
1809             ((rdev->family) == CHIP_RS780) ||
1810             ((rdev->family) == CHIP_RS880)) {
1811                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
1812         } else {
1813                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
1814         }
1815
1816         /* More default values. 2D/3D driver should adjust as needed */
1817         WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
1818                                          S1_X(0x4) | S1_Y(0xc)));
1819         WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
1820                                          S1_X(0x2) | S1_Y(0x2) |
1821                                          S2_X(0xa) | S2_Y(0x6) |
1822                                          S3_X(0x6) | S3_Y(0xa)));
1823         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
1824                                              S1_X(0x4) | S1_Y(0xc) |
1825                                              S2_X(0x1) | S2_Y(0x6) |
1826                                              S3_X(0xa) | S3_Y(0xe)));
1827         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
1828                                              S5_X(0x0) | S5_Y(0x0) |
1829                                              S6_X(0xb) | S6_Y(0x4) |
1830                                              S7_X(0x7) | S7_Y(0x8)));
1831
1832         WREG32(VGT_STRMOUT_EN, 0);
1833         tmp = rdev->config.r600.max_pipes * 16;
1834         switch (rdev->family) {
1835         case CHIP_RV610:
1836         case CHIP_RV620:
1837         case CHIP_RS780:
1838         case CHIP_RS880:
1839                 tmp += 32;
1840                 break;
1841         case CHIP_RV670:
1842                 tmp += 128;
1843                 break;
1844         default:
1845                 break;
1846         }
1847         if (tmp > 256) {
1848                 tmp = 256;
1849         }
1850         WREG32(VGT_ES_PER_GS, 128);
1851         WREG32(VGT_GS_PER_ES, tmp);
1852         WREG32(VGT_GS_PER_VS, 2);
1853         WREG32(VGT_GS_VERTEX_REUSE, 16);
1854
1855         /* more default values. 2D/3D driver should adjust as needed */
1856         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1857         WREG32(VGT_STRMOUT_EN, 0);
1858         WREG32(SX_MISC, 0);
1859         WREG32(PA_SC_MODE_CNTL, 0);
1860         WREG32(PA_SC_AA_CONFIG, 0);
1861         WREG32(PA_SC_LINE_STIPPLE, 0);
1862         WREG32(SPI_INPUT_Z, 0);
1863         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
1864         WREG32(CB_COLOR7_FRAG, 0);
1865
1866         /* Clear render buffer base addresses */
1867         WREG32(CB_COLOR0_BASE, 0);
1868         WREG32(CB_COLOR1_BASE, 0);
1869         WREG32(CB_COLOR2_BASE, 0);
1870         WREG32(CB_COLOR3_BASE, 0);
1871         WREG32(CB_COLOR4_BASE, 0);
1872         WREG32(CB_COLOR5_BASE, 0);
1873         WREG32(CB_COLOR6_BASE, 0);
1874         WREG32(CB_COLOR7_BASE, 0);
1875         WREG32(CB_COLOR7_FRAG, 0);
1876
1877         switch (rdev->family) {
1878         case CHIP_RV610:
1879         case CHIP_RV620:
1880         case CHIP_RS780:
1881         case CHIP_RS880:
1882                 tmp = TC_L2_SIZE(8);
1883                 break;
1884         case CHIP_RV630:
1885         case CHIP_RV635:
1886                 tmp = TC_L2_SIZE(4);
1887                 break;
1888         case CHIP_R600:
1889                 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
1890                 break;
1891         default:
1892                 tmp = TC_L2_SIZE(0);
1893                 break;
1894         }
1895         WREG32(TC_CNTL, tmp);
1896
1897         tmp = RREG32(HDP_HOST_PATH_CNTL);
1898         WREG32(HDP_HOST_PATH_CNTL, tmp);
1899
1900         tmp = RREG32(ARB_POP);
1901         tmp |= ENABLE_TC128;
1902         WREG32(ARB_POP, tmp);
1903
1904         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1905         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
1906                                NUM_CLIP_SEQ(3)));
1907         WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
1908 }
1909
1910
1911 /*
1912  * Indirect registers accessor
1913  */
1914 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
1915 {
1916         u32 r;
1917
1918         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1919         (void)RREG32(PCIE_PORT_INDEX);
1920         r = RREG32(PCIE_PORT_DATA);
1921         return r;
1922 }
1923
1924 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
1925 {
1926         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
1927         (void)RREG32(PCIE_PORT_INDEX);
1928         WREG32(PCIE_PORT_DATA, (v));
1929         (void)RREG32(PCIE_PORT_DATA);
1930 }
1931
1932 /*
1933  * CP & Ring
1934  */
1935 void r600_cp_stop(struct radeon_device *rdev)
1936 {
1937         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1938         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1939         WREG32(SCRATCH_UMSK, 0);
1940 }
1941
1942 int r600_init_microcode(struct radeon_device *rdev)
1943 {
1944         struct platform_device *pdev;
1945         const char *chip_name;
1946         const char *rlc_chip_name;
1947         size_t pfp_req_size, me_req_size, rlc_req_size;
1948         char fw_name[30];
1949         int err;
1950
1951         DRM_DEBUG("\n");
1952
1953         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
1954         err = IS_ERR(pdev);
1955         if (err) {
1956                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1957                 return -EINVAL;
1958         }
1959
1960         switch (rdev->family) {
1961         case CHIP_R600:
1962                 chip_name = "R600";
1963                 rlc_chip_name = "R600";
1964                 break;
1965         case CHIP_RV610:
1966                 chip_name = "RV610";
1967                 rlc_chip_name = "R600";
1968                 break;
1969         case CHIP_RV630:
1970                 chip_name = "RV630";
1971                 rlc_chip_name = "R600";
1972                 break;
1973         case CHIP_RV620:
1974                 chip_name = "RV620";
1975                 rlc_chip_name = "R600";
1976                 break;
1977         case CHIP_RV635:
1978                 chip_name = "RV635";
1979                 rlc_chip_name = "R600";
1980                 break;
1981         case CHIP_RV670:
1982                 chip_name = "RV670";
1983                 rlc_chip_name = "R600";
1984                 break;
1985         case CHIP_RS780:
1986         case CHIP_RS880:
1987                 chip_name = "RS780";
1988                 rlc_chip_name = "R600";
1989                 break;
1990         case CHIP_RV770:
1991                 chip_name = "RV770";
1992                 rlc_chip_name = "R700";
1993                 break;
1994         case CHIP_RV730:
1995         case CHIP_RV740:
1996                 chip_name = "RV730";
1997                 rlc_chip_name = "R700";
1998                 break;
1999         case CHIP_RV710:
2000                 chip_name = "RV710";
2001                 rlc_chip_name = "R700";
2002                 break;
2003         case CHIP_CEDAR:
2004                 chip_name = "CEDAR";
2005                 rlc_chip_name = "CEDAR";
2006                 break;
2007         case CHIP_REDWOOD:
2008                 chip_name = "REDWOOD";
2009                 rlc_chip_name = "REDWOOD";
2010                 break;
2011         case CHIP_JUNIPER:
2012                 chip_name = "JUNIPER";
2013                 rlc_chip_name = "JUNIPER";
2014                 break;
2015         case CHIP_CYPRESS:
2016         case CHIP_HEMLOCK:
2017                 chip_name = "CYPRESS";
2018                 rlc_chip_name = "CYPRESS";
2019                 break;
2020         case CHIP_PALM:
2021                 chip_name = "PALM";
2022                 rlc_chip_name = "SUMO";
2023                 break;
2024         case CHIP_SUMO:
2025                 chip_name = "SUMO";
2026                 rlc_chip_name = "SUMO";
2027                 break;
2028         case CHIP_SUMO2:
2029                 chip_name = "SUMO2";
2030                 rlc_chip_name = "SUMO";
2031                 break;
2032         default: BUG();
2033         }
2034
2035         if (rdev->family >= CHIP_CEDAR) {
2036                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2037                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2038                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2039         } else if (rdev->family >= CHIP_RV770) {
2040                 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2041                 me_req_size = R700_PM4_UCODE_SIZE * 4;
2042                 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2043         } else {
2044                 pfp_req_size = PFP_UCODE_SIZE * 4;
2045                 me_req_size = PM4_UCODE_SIZE * 12;
2046                 rlc_req_size = RLC_UCODE_SIZE * 4;
2047         }
2048
2049         DRM_INFO("Loading %s Microcode\n", chip_name);
2050
2051         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2052         err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
2053         if (err)
2054                 goto out;
2055         if (rdev->pfp_fw->size != pfp_req_size) {
2056                 printk(KERN_ERR
2057                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2058                        rdev->pfp_fw->size, fw_name);
2059                 err = -EINVAL;
2060                 goto out;
2061         }
2062
2063         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2064         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
2065         if (err)
2066                 goto out;
2067         if (rdev->me_fw->size != me_req_size) {
2068                 printk(KERN_ERR
2069                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2070                        rdev->me_fw->size, fw_name);
2071                 err = -EINVAL;
2072         }
2073
2074         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2075         err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
2076         if (err)
2077                 goto out;
2078         if (rdev->rlc_fw->size != rlc_req_size) {
2079                 printk(KERN_ERR
2080                        "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2081                        rdev->rlc_fw->size, fw_name);
2082                 err = -EINVAL;
2083         }
2084
2085 out:
2086         platform_device_unregister(pdev);
2087
2088         if (err) {
2089                 if (err != -EINVAL)
2090                         printk(KERN_ERR
2091                                "r600_cp: Failed to load firmware \"%s\"\n",
2092                                fw_name);
2093                 release_firmware(rdev->pfp_fw);
2094                 rdev->pfp_fw = NULL;
2095                 release_firmware(rdev->me_fw);
2096                 rdev->me_fw = NULL;
2097                 release_firmware(rdev->rlc_fw);
2098                 rdev->rlc_fw = NULL;
2099         }
2100         return err;
2101 }
2102
2103 static int r600_cp_load_microcode(struct radeon_device *rdev)
2104 {
2105         const __be32 *fw_data;
2106         int i;
2107
2108         if (!rdev->me_fw || !rdev->pfp_fw)
2109                 return -EINVAL;
2110
2111         r600_cp_stop(rdev);
2112
2113         WREG32(CP_RB_CNTL,
2114 #ifdef __BIG_ENDIAN
2115                BUF_SWAP_32BIT |
2116 #endif
2117                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2118
2119         /* Reset cp */
2120         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2121         RREG32(GRBM_SOFT_RESET);
2122         mdelay(15);
2123         WREG32(GRBM_SOFT_RESET, 0);
2124
2125         WREG32(CP_ME_RAM_WADDR, 0);
2126
2127         fw_data = (const __be32 *)rdev->me_fw->data;
2128         WREG32(CP_ME_RAM_WADDR, 0);
2129         for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
2130                 WREG32(CP_ME_RAM_DATA,
2131                        be32_to_cpup(fw_data++));
2132
2133         fw_data = (const __be32 *)rdev->pfp_fw->data;
2134         WREG32(CP_PFP_UCODE_ADDR, 0);
2135         for (i = 0; i < PFP_UCODE_SIZE; i++)
2136                 WREG32(CP_PFP_UCODE_DATA,
2137                        be32_to_cpup(fw_data++));
2138
2139         WREG32(CP_PFP_UCODE_ADDR, 0);
2140         WREG32(CP_ME_RAM_WADDR, 0);
2141         WREG32(CP_ME_RAM_RADDR, 0);
2142         return 0;
2143 }
2144
2145 int r600_cp_start(struct radeon_device *rdev)
2146 {
2147         int r;
2148         uint32_t cp_me;
2149
2150         r = radeon_ring_lock(rdev, 7);
2151         if (r) {
2152                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2153                 return r;
2154         }
2155         radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
2156         radeon_ring_write(rdev, 0x1);
2157         if (rdev->family >= CHIP_RV770) {
2158                 radeon_ring_write(rdev, 0x0);
2159                 radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1);
2160         } else {
2161                 radeon_ring_write(rdev, 0x3);
2162                 radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1);
2163         }
2164         radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2165         radeon_ring_write(rdev, 0);
2166         radeon_ring_write(rdev, 0);
2167         radeon_ring_unlock_commit(rdev);
2168
2169         cp_me = 0xff;
2170         WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2171         return 0;
2172 }
2173
2174 int r600_cp_resume(struct radeon_device *rdev)
2175 {
2176         u32 tmp;
2177         u32 rb_bufsz;
2178         int r;
2179
2180         /* Reset cp */
2181         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2182         RREG32(GRBM_SOFT_RESET);
2183         mdelay(15);
2184         WREG32(GRBM_SOFT_RESET, 0);
2185
2186         /* Set ring buffer size */
2187         rb_bufsz = drm_order(rdev->cp.ring_size / 8);
2188         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2189 #ifdef __BIG_ENDIAN
2190         tmp |= BUF_SWAP_32BIT;
2191 #endif
2192         WREG32(CP_RB_CNTL, tmp);
2193         WREG32(CP_SEM_WAIT_TIMER, 0x4);
2194
2195         /* Set the write pointer delay */
2196         WREG32(CP_RB_WPTR_DELAY, 0);
2197
2198         /* Initialize the ring buffer's read and write pointers */
2199         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2200         WREG32(CP_RB_RPTR_WR, 0);
2201         rdev->cp.wptr = 0;
2202         WREG32(CP_RB_WPTR, rdev->cp.wptr);
2203
2204         /* set the wb address whether it's enabled or not */
2205         WREG32(CP_RB_RPTR_ADDR,
2206                ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2207         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2208         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2209
2210         if (rdev->wb.enabled)
2211                 WREG32(SCRATCH_UMSK, 0xff);
2212         else {
2213                 tmp |= RB_NO_UPDATE;
2214                 WREG32(SCRATCH_UMSK, 0);
2215         }
2216
2217         mdelay(1);
2218         WREG32(CP_RB_CNTL, tmp);
2219
2220         WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
2221         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2222
2223         rdev->cp.rptr = RREG32(CP_RB_RPTR);
2224
2225         r600_cp_start(rdev);
2226         rdev->cp.ready = true;
2227         r = radeon_ring_test(rdev);
2228         if (r) {
2229                 rdev->cp.ready = false;
2230                 return r;
2231         }
2232         return 0;
2233 }
2234
2235 void r600_cp_commit(struct radeon_device *rdev)
2236 {
2237         WREG32(CP_RB_WPTR, rdev->cp.wptr);
2238         (void)RREG32(CP_RB_WPTR);
2239 }
2240
2241 void r600_ring_init(struct radeon_device *rdev, unsigned ring_size)
2242 {
2243         u32 rb_bufsz;
2244
2245         /* Align ring size */
2246         rb_bufsz = drm_order(ring_size / 8);
2247         ring_size = (1 << (rb_bufsz + 1)) * 4;
2248         rdev->cp.ring_size = ring_size;
2249         rdev->cp.align_mask = 16 - 1;
2250 }
2251
2252 void r600_cp_fini(struct radeon_device *rdev)
2253 {
2254         r600_cp_stop(rdev);
2255         radeon_ring_fini(rdev);
2256 }
2257
2258
2259 /*
2260  * GPU scratch registers helpers function.
2261  */
2262 void r600_scratch_init(struct radeon_device *rdev)
2263 {
2264         int i;
2265
2266         rdev->scratch.num_reg = 7;
2267         rdev->scratch.reg_base = SCRATCH_REG0;
2268         for (i = 0; i < rdev->scratch.num_reg; i++) {
2269                 rdev->scratch.free[i] = true;
2270                 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2271         }
2272 }
2273
2274 int r600_ring_test(struct radeon_device *rdev)
2275 {
2276         uint32_t scratch;
2277         uint32_t tmp = 0;
2278         unsigned i;
2279         int r;
2280
2281         r = radeon_scratch_get(rdev, &scratch);
2282         if (r) {
2283                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2284                 return r;
2285         }
2286         WREG32(scratch, 0xCAFEDEAD);
2287         r = radeon_ring_lock(rdev, 3);
2288         if (r) {
2289                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2290                 radeon_scratch_free(rdev, scratch);
2291                 return r;
2292         }
2293         radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2294         radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2295         radeon_ring_write(rdev, 0xDEADBEEF);
2296         radeon_ring_unlock_commit(rdev);
2297         for (i = 0; i < rdev->usec_timeout; i++) {
2298                 tmp = RREG32(scratch);
2299                 if (tmp == 0xDEADBEEF)
2300                         break;
2301                 DRM_UDELAY(1);
2302         }
2303         if (i < rdev->usec_timeout) {
2304                 DRM_INFO("ring test succeeded in %d usecs\n", i);
2305         } else {
2306                 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
2307                           scratch, tmp);
2308                 r = -EINVAL;
2309         }
2310         radeon_scratch_free(rdev, scratch);
2311         return r;
2312 }
2313
2314 void r600_fence_ring_emit(struct radeon_device *rdev,
2315                           struct radeon_fence *fence)
2316 {
2317         if (rdev->wb.use_event) {
2318                 u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET +
2319                         (u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base);
2320                 /* flush read cache over gart */
2321                 radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3));
2322                 radeon_ring_write(rdev, PACKET3_TC_ACTION_ENA |
2323                                         PACKET3_VC_ACTION_ENA |
2324                                         PACKET3_SH_ACTION_ENA);
2325                 radeon_ring_write(rdev, 0xFFFFFFFF);
2326                 radeon_ring_write(rdev, 0);
2327                 radeon_ring_write(rdev, 10); /* poll interval */
2328                 /* EVENT_WRITE_EOP - flush caches, send int */
2329                 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2330                 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2331                 radeon_ring_write(rdev, addr & 0xffffffff);
2332                 radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2333                 radeon_ring_write(rdev, fence->seq);
2334                 radeon_ring_write(rdev, 0);
2335         } else {
2336                 /* flush read cache over gart */
2337                 radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3));
2338                 radeon_ring_write(rdev, PACKET3_TC_ACTION_ENA |
2339                                         PACKET3_VC_ACTION_ENA |
2340                                         PACKET3_SH_ACTION_ENA);
2341                 radeon_ring_write(rdev, 0xFFFFFFFF);
2342                 radeon_ring_write(rdev, 0);
2343                 radeon_ring_write(rdev, 10); /* poll interval */
2344                 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
2345                 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2346                 /* wait for 3D idle clean */
2347                 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2348                 radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2349                 radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2350                 /* Emit fence sequence & fire IRQ */
2351                 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2352                 radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2353                 radeon_ring_write(rdev, fence->seq);
2354                 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2355                 radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
2356                 radeon_ring_write(rdev, RB_INT_STAT);
2357         }
2358 }
2359
2360 int r600_copy_blit(struct radeon_device *rdev,
2361                    uint64_t src_offset,
2362                    uint64_t dst_offset,
2363                    unsigned num_gpu_pages,
2364                    struct radeon_fence *fence)
2365 {
2366         int r;
2367
2368         mutex_lock(&rdev->r600_blit.mutex);
2369         rdev->r600_blit.vb_ib = NULL;
2370         r = r600_blit_prepare_copy(rdev, num_gpu_pages);
2371         if (r) {
2372                 if (rdev->r600_blit.vb_ib)
2373                         radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
2374                 mutex_unlock(&rdev->r600_blit.mutex);
2375                 return r;
2376         }
2377         r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages);
2378         r600_blit_done_copy(rdev, fence);
2379         mutex_unlock(&rdev->r600_blit.mutex);
2380         return 0;
2381 }
2382
2383 void r600_blit_suspend(struct radeon_device *rdev)
2384 {
2385         int r;
2386
2387         /* unpin shaders bo */
2388         if (rdev->r600_blit.shader_obj) {
2389                 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2390                 if (!r) {
2391                         radeon_bo_unpin(rdev->r600_blit.shader_obj);
2392                         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2393                 }
2394         }
2395 }
2396
2397 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
2398                          uint32_t tiling_flags, uint32_t pitch,
2399                          uint32_t offset, uint32_t obj_size)
2400 {
2401         /* FIXME: implement */
2402         return 0;
2403 }
2404
2405 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
2406 {
2407         /* FIXME: implement */
2408 }
2409
2410 int r600_startup(struct radeon_device *rdev)
2411 {
2412         int r;
2413
2414         /* enable pcie gen2 link */
2415         r600_pcie_gen2_enable(rdev);
2416
2417         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2418                 r = r600_init_microcode(rdev);
2419                 if (r) {
2420                         DRM_ERROR("Failed to load firmware!\n");
2421                         return r;
2422                 }
2423         }
2424
2425         r = r600_vram_scratch_init(rdev);
2426         if (r)
2427                 return r;
2428
2429         r600_mc_program(rdev);
2430         if (rdev->flags & RADEON_IS_AGP) {
2431                 r600_agp_enable(rdev);
2432         } else {
2433                 r = r600_pcie_gart_enable(rdev);
2434                 if (r)
2435                         return r;
2436         }
2437         r600_gpu_init(rdev);
2438         r = r600_blit_init(rdev);
2439         if (r) {
2440                 r600_blit_fini(rdev);
2441                 rdev->asic->copy = NULL;
2442                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2443         }
2444
2445         /* allocate wb buffer */
2446         r = radeon_wb_init(rdev);
2447         if (r)
2448                 return r;
2449
2450         /* Enable IRQ */
2451         r = r600_irq_init(rdev);
2452         if (r) {
2453                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2454                 radeon_irq_kms_fini(rdev);
2455                 return r;
2456         }
2457         r600_irq_set(rdev);
2458
2459         r = radeon_ring_init(rdev, rdev->cp.ring_size);
2460         if (r)
2461                 return r;
2462         r = r600_cp_load_microcode(rdev);
2463         if (r)
2464                 return r;
2465         r = r600_cp_resume(rdev);
2466         if (r)
2467                 return r;
2468
2469         return 0;
2470 }
2471
2472 void r600_vga_set_state(struct radeon_device *rdev, bool state)
2473 {
2474         uint32_t temp;
2475
2476         temp = RREG32(CONFIG_CNTL);
2477         if (state == false) {
2478                 temp &= ~(1<<0);
2479                 temp |= (1<<1);
2480         } else {
2481                 temp &= ~(1<<1);
2482         }
2483         WREG32(CONFIG_CNTL, temp);
2484 }
2485
2486 int r600_resume(struct radeon_device *rdev)
2487 {
2488         int r;
2489
2490         /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
2491          * posting will perform necessary task to bring back GPU into good
2492          * shape.
2493          */
2494         /* post card */
2495         atom_asic_init(rdev->mode_info.atom_context);
2496
2497         r = r600_startup(rdev);
2498         if (r) {
2499                 DRM_ERROR("r600 startup failed on resume\n");
2500                 return r;
2501         }
2502
2503         r = r600_ib_test(rdev);
2504         if (r) {
2505                 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2506                 return r;
2507         }
2508
2509         r = r600_audio_init(rdev);
2510         if (r) {
2511                 DRM_ERROR("radeon: audio resume failed\n");
2512                 return r;
2513         }
2514
2515         return r;
2516 }
2517
2518 int r600_suspend(struct radeon_device *rdev)
2519 {
2520         r600_audio_fini(rdev);
2521         /* FIXME: we should wait for ring to be empty */
2522         r600_cp_stop(rdev);
2523         rdev->cp.ready = false;
2524         r600_irq_suspend(rdev);
2525         radeon_wb_disable(rdev);
2526         r600_pcie_gart_disable(rdev);
2527         r600_blit_suspend(rdev);
2528
2529         return 0;
2530 }
2531
2532 /* Plan is to move initialization in that function and use
2533  * helper function so that radeon_device_init pretty much
2534  * do nothing more than calling asic specific function. This
2535  * should also allow to remove a bunch of callback function
2536  * like vram_info.
2537  */
2538 int r600_init(struct radeon_device *rdev)
2539 {
2540         int r;
2541
2542         if (r600_debugfs_mc_info_init(rdev)) {
2543                 DRM_ERROR("Failed to register debugfs file for mc !\n");
2544         }
2545         /* This don't do much */
2546         r = radeon_gem_init(rdev);
2547         if (r)
2548                 return r;
2549         /* Read BIOS */
2550         if (!radeon_get_bios(rdev)) {
2551                 if (ASIC_IS_AVIVO(rdev))
2552                         return -EINVAL;
2553         }
2554         /* Must be an ATOMBIOS */
2555         if (!rdev->is_atom_bios) {
2556                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2557                 return -EINVAL;
2558         }
2559         r = radeon_atombios_init(rdev);
2560         if (r)
2561                 return r;
2562         /* Post card if necessary */
2563         if (!radeon_card_posted(rdev)) {
2564                 if (!rdev->bios) {
2565                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2566                         return -EINVAL;
2567                 }
2568                 DRM_INFO("GPU not posted. posting now...\n");
2569                 atom_asic_init(rdev->mode_info.atom_context);
2570         }
2571         /* Initialize scratch registers */
2572         r600_scratch_init(rdev);
2573         /* Initialize surface registers */
2574         radeon_surface_init(rdev);
2575         /* Initialize clocks */
2576         radeon_get_clock_info(rdev->ddev);
2577         /* Fence driver */
2578         r = radeon_fence_driver_init(rdev);
2579         if (r)
2580                 return r;
2581         if (rdev->flags & RADEON_IS_AGP) {
2582                 r = radeon_agp_init(rdev);
2583                 if (r)
2584                         radeon_agp_disable(rdev);
2585         }
2586         r = r600_mc_init(rdev);
2587         if (r)
2588                 return r;
2589         /* Memory manager */
2590         r = radeon_bo_init(rdev);
2591         if (r)
2592                 return r;
2593
2594         r = radeon_irq_kms_init(rdev);
2595         if (r)
2596                 return r;
2597
2598         rdev->cp.ring_obj = NULL;
2599         r600_ring_init(rdev, 1024 * 1024);
2600
2601         rdev->ih.ring_obj = NULL;
2602         r600_ih_ring_init(rdev, 64 * 1024);
2603
2604         r = r600_pcie_gart_init(rdev);
2605         if (r)
2606                 return r;
2607
2608         rdev->accel_working = true;
2609         r = r600_startup(rdev);
2610         if (r) {
2611                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2612                 r600_cp_fini(rdev);
2613                 r600_irq_fini(rdev);
2614                 radeon_wb_fini(rdev);
2615                 radeon_irq_kms_fini(rdev);
2616                 r600_pcie_gart_fini(rdev);
2617                 rdev->accel_working = false;
2618         }
2619         if (rdev->accel_working) {
2620                 r = radeon_ib_pool_init(rdev);
2621                 if (r) {
2622                         dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2623                         rdev->accel_working = false;
2624                 } else {
2625                         r = r600_ib_test(rdev);
2626                         if (r) {
2627                                 dev_err(rdev->dev, "IB test failed (%d).\n", r);
2628                                 rdev->accel_working = false;
2629                         }
2630                 }
2631         }
2632
2633         r = r600_audio_init(rdev);
2634         if (r)
2635                 return r; /* TODO error handling */
2636         return 0;
2637 }
2638
2639 void r600_fini(struct radeon_device *rdev)
2640 {
2641         r600_audio_fini(rdev);
2642         r600_blit_fini(rdev);
2643         r600_cp_fini(rdev);
2644         r600_irq_fini(rdev);
2645         radeon_wb_fini(rdev);
2646         radeon_ib_pool_fini(rdev);
2647         radeon_irq_kms_fini(rdev);
2648         r600_pcie_gart_fini(rdev);
2649         r600_vram_scratch_fini(rdev);
2650         radeon_agp_fini(rdev);
2651         radeon_gem_fini(rdev);
2652         radeon_fence_driver_fini(rdev);
2653         radeon_bo_fini(rdev);
2654         radeon_atombios_fini(rdev);
2655         kfree(rdev->bios);
2656         rdev->bios = NULL;
2657 }
2658
2659
2660 /*
2661  * CS stuff
2662  */
2663 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2664 {
2665         /* FIXME: implement */
2666         radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2667         radeon_ring_write(rdev,
2668 #ifdef __BIG_ENDIAN
2669                           (2 << 0) |
2670 #endif
2671                           (ib->gpu_addr & 0xFFFFFFFC));
2672         radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
2673         radeon_ring_write(rdev, ib->length_dw);
2674 }
2675
2676 int r600_ib_test(struct radeon_device *rdev)
2677 {
2678         struct radeon_ib *ib;
2679         uint32_t scratch;
2680         uint32_t tmp = 0;
2681         unsigned i;
2682         int r;
2683
2684         r = radeon_scratch_get(rdev, &scratch);
2685         if (r) {
2686                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2687                 return r;
2688         }
2689         WREG32(scratch, 0xCAFEDEAD);
2690         r = radeon_ib_get(rdev, &ib);
2691         if (r) {
2692                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
2693                 return r;
2694         }
2695         ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
2696         ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2697         ib->ptr[2] = 0xDEADBEEF;
2698         ib->ptr[3] = PACKET2(0);
2699         ib->ptr[4] = PACKET2(0);
2700         ib->ptr[5] = PACKET2(0);
2701         ib->ptr[6] = PACKET2(0);
2702         ib->ptr[7] = PACKET2(0);
2703         ib->ptr[8] = PACKET2(0);
2704         ib->ptr[9] = PACKET2(0);
2705         ib->ptr[10] = PACKET2(0);
2706         ib->ptr[11] = PACKET2(0);
2707         ib->ptr[12] = PACKET2(0);
2708         ib->ptr[13] = PACKET2(0);
2709         ib->ptr[14] = PACKET2(0);
2710         ib->ptr[15] = PACKET2(0);
2711         ib->length_dw = 16;
2712         r = radeon_ib_schedule(rdev, ib);
2713         if (r) {
2714                 radeon_scratch_free(rdev, scratch);
2715                 radeon_ib_free(rdev, &ib);
2716                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
2717                 return r;
2718         }
2719         r = radeon_fence_wait(ib->fence, false);
2720         if (r) {
2721                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
2722                 return r;
2723         }
2724         for (i = 0; i < rdev->usec_timeout; i++) {
2725                 tmp = RREG32(scratch);
2726                 if (tmp == 0xDEADBEEF)
2727                         break;
2728                 DRM_UDELAY(1);
2729         }
2730         if (i < rdev->usec_timeout) {
2731                 DRM_INFO("ib test succeeded in %u usecs\n", i);
2732         } else {
2733                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
2734                           scratch, tmp);
2735                 r = -EINVAL;
2736         }
2737         radeon_scratch_free(rdev, scratch);
2738         radeon_ib_free(rdev, &ib);
2739         return r;
2740 }
2741
2742 /*
2743  * Interrupts
2744  *
2745  * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
2746  * the same as the CP ring buffer, but in reverse.  Rather than the CPU
2747  * writing to the ring and the GPU consuming, the GPU writes to the ring
2748  * and host consumes.  As the host irq handler processes interrupts, it
2749  * increments the rptr.  When the rptr catches up with the wptr, all the
2750  * current interrupts have been processed.
2751  */
2752
2753 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
2754 {
2755         u32 rb_bufsz;
2756
2757         /* Align ring size */
2758         rb_bufsz = drm_order(ring_size / 4);
2759         ring_size = (1 << rb_bufsz) * 4;
2760         rdev->ih.ring_size = ring_size;
2761         rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
2762         rdev->ih.rptr = 0;
2763 }
2764
2765 static int r600_ih_ring_alloc(struct radeon_device *rdev)
2766 {
2767         int r;
2768
2769         /* Allocate ring buffer */
2770         if (rdev->ih.ring_obj == NULL) {
2771                 r = radeon_bo_create(rdev, rdev->ih.ring_size,
2772                                      PAGE_SIZE, true,
2773                                      RADEON_GEM_DOMAIN_GTT,
2774                                      &rdev->ih.ring_obj);
2775                 if (r) {
2776                         DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
2777                         return r;
2778                 }
2779                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2780                 if (unlikely(r != 0))
2781                         return r;
2782                 r = radeon_bo_pin(rdev->ih.ring_obj,
2783                                   RADEON_GEM_DOMAIN_GTT,
2784                                   &rdev->ih.gpu_addr);
2785                 if (r) {
2786                         radeon_bo_unreserve(rdev->ih.ring_obj);
2787                         DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
2788                         return r;
2789                 }
2790                 r = radeon_bo_kmap(rdev->ih.ring_obj,
2791                                    (void **)&rdev->ih.ring);
2792                 radeon_bo_unreserve(rdev->ih.ring_obj);
2793                 if (r) {
2794                         DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
2795                         return r;
2796                 }
2797         }
2798         return 0;
2799 }
2800
2801 static void r600_ih_ring_fini(struct radeon_device *rdev)
2802 {
2803         int r;
2804         if (rdev->ih.ring_obj) {
2805                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
2806                 if (likely(r == 0)) {
2807                         radeon_bo_kunmap(rdev->ih.ring_obj);
2808                         radeon_bo_unpin(rdev->ih.ring_obj);
2809                         radeon_bo_unreserve(rdev->ih.ring_obj);
2810                 }
2811                 radeon_bo_unref(&rdev->ih.ring_obj);
2812                 rdev->ih.ring = NULL;
2813                 rdev->ih.ring_obj = NULL;
2814         }
2815 }
2816
2817 void r600_rlc_stop(struct radeon_device *rdev)
2818 {
2819
2820         if ((rdev->family >= CHIP_RV770) &&
2821             (rdev->family <= CHIP_RV740)) {
2822                 /* r7xx asics need to soft reset RLC before halting */
2823                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
2824                 RREG32(SRBM_SOFT_RESET);
2825                 udelay(15000);
2826                 WREG32(SRBM_SOFT_RESET, 0);
2827                 RREG32(SRBM_SOFT_RESET);
2828         }
2829
2830         WREG32(RLC_CNTL, 0);
2831 }
2832
2833 static void r600_rlc_start(struct radeon_device *rdev)
2834 {
2835         WREG32(RLC_CNTL, RLC_ENABLE);
2836 }
2837
2838 static int r600_rlc_init(struct radeon_device *rdev)
2839 {
2840         u32 i;
2841         const __be32 *fw_data;
2842
2843         if (!rdev->rlc_fw)
2844                 return -EINVAL;
2845
2846         r600_rlc_stop(rdev);
2847
2848         WREG32(RLC_HB_BASE, 0);
2849         WREG32(RLC_HB_CNTL, 0);
2850         WREG32(RLC_HB_RPTR, 0);
2851         WREG32(RLC_HB_WPTR, 0);
2852         if (rdev->family <= CHIP_CAICOS) {
2853                 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
2854                 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
2855         }
2856         WREG32(RLC_MC_CNTL, 0);
2857         WREG32(RLC_UCODE_CNTL, 0);
2858
2859         fw_data = (const __be32 *)rdev->rlc_fw->data;
2860         if (rdev->family >= CHIP_CAYMAN) {
2861                 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
2862                         WREG32(RLC_UCODE_ADDR, i);
2863                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2864                 }
2865         } else if (rdev->family >= CHIP_CEDAR) {
2866                 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
2867                         WREG32(RLC_UCODE_ADDR, i);
2868                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2869                 }
2870         } else if (rdev->family >= CHIP_RV770) {
2871                 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
2872                         WREG32(RLC_UCODE_ADDR, i);
2873                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2874                 }
2875         } else {
2876                 for (i = 0; i < RLC_UCODE_SIZE; i++) {
2877                         WREG32(RLC_UCODE_ADDR, i);
2878                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
2879                 }
2880         }
2881         WREG32(RLC_UCODE_ADDR, 0);
2882
2883         r600_rlc_start(rdev);
2884
2885         return 0;
2886 }
2887
2888 static void r600_enable_interrupts(struct radeon_device *rdev)
2889 {
2890         u32 ih_cntl = RREG32(IH_CNTL);
2891         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2892
2893         ih_cntl |= ENABLE_INTR;
2894         ih_rb_cntl |= IH_RB_ENABLE;
2895         WREG32(IH_CNTL, ih_cntl);
2896         WREG32(IH_RB_CNTL, ih_rb_cntl);
2897         rdev->ih.enabled = true;
2898 }
2899
2900 void r600_disable_interrupts(struct radeon_device *rdev)
2901 {
2902         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
2903         u32 ih_cntl = RREG32(IH_CNTL);
2904
2905         ih_rb_cntl &= ~IH_RB_ENABLE;
2906         ih_cntl &= ~ENABLE_INTR;
2907         WREG32(IH_RB_CNTL, ih_rb_cntl);
2908         WREG32(IH_CNTL, ih_cntl);
2909         /* set rptr, wptr to 0 */
2910         WREG32(IH_RB_RPTR, 0);
2911         WREG32(IH_RB_WPTR, 0);
2912         rdev->ih.enabled = false;
2913         rdev->ih.wptr = 0;
2914         rdev->ih.rptr = 0;
2915 }
2916
2917 static void r600_disable_interrupt_state(struct radeon_device *rdev)
2918 {
2919         u32 tmp;
2920
2921         WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2922         WREG32(GRBM_INT_CNTL, 0);
2923         WREG32(DxMODE_INT_MASK, 0);
2924         WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
2925         WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
2926         if (ASIC_IS_DCE3(rdev)) {
2927                 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
2928                 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
2929                 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2930                 WREG32(DC_HPD1_INT_CONTROL, tmp);
2931                 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2932                 WREG32(DC_HPD2_INT_CONTROL, tmp);
2933                 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2934                 WREG32(DC_HPD3_INT_CONTROL, tmp);
2935                 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2936                 WREG32(DC_HPD4_INT_CONTROL, tmp);
2937                 if (ASIC_IS_DCE32(rdev)) {
2938                         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2939                         WREG32(DC_HPD5_INT_CONTROL, tmp);
2940                         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2941                         WREG32(DC_HPD6_INT_CONTROL, tmp);
2942                 }
2943         } else {
2944                 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2945                 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2946                 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2947                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
2948                 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2949                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
2950                 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
2951                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
2952         }
2953 }
2954
2955 int r600_irq_init(struct radeon_device *rdev)
2956 {
2957         int ret = 0;
2958         int rb_bufsz;
2959         u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
2960
2961         /* allocate ring */
2962         ret = r600_ih_ring_alloc(rdev);
2963         if (ret)
2964                 return ret;
2965
2966         /* disable irqs */
2967         r600_disable_interrupts(rdev);
2968
2969         /* init rlc */
2970         ret = r600_rlc_init(rdev);
2971         if (ret) {
2972                 r600_ih_ring_fini(rdev);
2973                 return ret;
2974         }
2975
2976         /* setup interrupt control */
2977         /* set dummy read address to ring address */
2978         WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
2979         interrupt_cntl = RREG32(INTERRUPT_CNTL);
2980         /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
2981          * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
2982          */
2983         interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
2984         /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
2985         interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
2986         WREG32(INTERRUPT_CNTL, interrupt_cntl);
2987
2988         WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
2989         rb_bufsz = drm_order(rdev->ih.ring_size / 4);
2990
2991         ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
2992                       IH_WPTR_OVERFLOW_CLEAR |
2993                       (rb_bufsz << 1));
2994
2995         if (rdev->wb.enabled)
2996                 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
2997
2998         /* set the writeback address whether it's enabled or not */
2999         WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3000         WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3001
3002         WREG32(IH_RB_CNTL, ih_rb_cntl);
3003
3004         /* set rptr, wptr to 0 */
3005         WREG32(IH_RB_RPTR, 0);
3006         WREG32(IH_RB_WPTR, 0);
3007
3008         /* Default settings for IH_CNTL (disabled at first) */
3009         ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3010         /* RPTR_REARM only works if msi's are enabled */
3011         if (rdev->msi_enabled)
3012                 ih_cntl |= RPTR_REARM;
3013         WREG32(IH_CNTL, ih_cntl);
3014
3015         /* force the active interrupt state to all disabled */
3016         if (rdev->family >= CHIP_CEDAR)
3017                 evergreen_disable_interrupt_state(rdev);
3018         else
3019                 r600_disable_interrupt_state(rdev);
3020
3021         /* enable irqs */
3022         r600_enable_interrupts(rdev);
3023
3024         return ret;
3025 }
3026
3027 void r600_irq_suspend(struct radeon_device *rdev)
3028 {
3029         r600_irq_disable(rdev);
3030         r600_rlc_stop(rdev);
3031 }
3032
3033 void r600_irq_fini(struct radeon_device *rdev)
3034 {
3035         r600_irq_suspend(rdev);
3036         r600_ih_ring_fini(rdev);
3037 }
3038
3039 int r600_irq_set(struct radeon_device *rdev)
3040 {
3041         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
3042         u32 mode_int = 0;
3043         u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
3044         u32 grbm_int_cntl = 0;
3045         u32 hdmi1, hdmi2;
3046         u32 d1grph = 0, d2grph = 0;
3047
3048         if (!rdev->irq.installed) {
3049                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
3050                 return -EINVAL;
3051         }
3052         /* don't enable anything if the ih is disabled */
3053         if (!rdev->ih.enabled) {
3054                 r600_disable_interrupts(rdev);
3055                 /* force the active interrupt state to all disabled */
3056                 r600_disable_interrupt_state(rdev);
3057                 return 0;
3058         }
3059
3060         hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3061         if (ASIC_IS_DCE3(rdev)) {
3062                 hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3063                 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3064                 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3065                 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3066                 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
3067                 if (ASIC_IS_DCE32(rdev)) {
3068                         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
3069                         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
3070                 }
3071         } else {
3072                 hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN;
3073                 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
3074                 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
3075                 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
3076         }
3077
3078         if (rdev->irq.sw_int) {
3079                 DRM_DEBUG("r600_irq_set: sw int\n");
3080                 cp_int_cntl |= RB_INT_ENABLE;
3081                 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
3082         }
3083         if (rdev->irq.crtc_vblank_int[0] ||
3084             rdev->irq.pflip[0]) {
3085                 DRM_DEBUG("r600_irq_set: vblank 0\n");
3086                 mode_int |= D1MODE_VBLANK_INT_MASK;
3087         }
3088         if (rdev->irq.crtc_vblank_int[1] ||
3089             rdev->irq.pflip[1]) {
3090                 DRM_DEBUG("r600_irq_set: vblank 1\n");
3091                 mode_int |= D2MODE_VBLANK_INT_MASK;
3092         }
3093         if (rdev->irq.hpd[0]) {
3094                 DRM_DEBUG("r600_irq_set: hpd 1\n");
3095                 hpd1 |= DC_HPDx_INT_EN;
3096         }
3097         if (rdev->irq.hpd[1]) {
3098                 DRM_DEBUG("r600_irq_set: hpd 2\n");
3099                 hpd2 |= DC_HPDx_INT_EN;
3100         }
3101         if (rdev->irq.hpd[2]) {
3102                 DRM_DEBUG("r600_irq_set: hpd 3\n");
3103                 hpd3 |= DC_HPDx_INT_EN;
3104         }
3105         if (rdev->irq.hpd[3]) {
3106                 DRM_DEBUG("r600_irq_set: hpd 4\n");
3107                 hpd4 |= DC_HPDx_INT_EN;
3108         }
3109         if (rdev->irq.hpd[4]) {
3110                 DRM_DEBUG("r600_irq_set: hpd 5\n");
3111                 hpd5 |= DC_HPDx_INT_EN;
3112         }
3113         if (rdev->irq.hpd[5]) {
3114                 DRM_DEBUG("r600_irq_set: hpd 6\n");
3115                 hpd6 |= DC_HPDx_INT_EN;
3116         }
3117         if (rdev->irq.hdmi[0]) {
3118                 DRM_DEBUG("r600_irq_set: hdmi 1\n");
3119                 hdmi1 |= R600_HDMI_INT_EN;
3120         }
3121         if (rdev->irq.hdmi[1]) {
3122                 DRM_DEBUG("r600_irq_set: hdmi 2\n");
3123                 hdmi2 |= R600_HDMI_INT_EN;
3124         }
3125         if (rdev->irq.gui_idle) {
3126                 DRM_DEBUG("gui idle\n");
3127                 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
3128         }
3129
3130         WREG32(CP_INT_CNTL, cp_int_cntl);
3131         WREG32(DxMODE_INT_MASK, mode_int);
3132         WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
3133         WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
3134         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
3135         WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
3136         if (ASIC_IS_DCE3(rdev)) {
3137                 WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
3138                 WREG32(DC_HPD1_INT_CONTROL, hpd1);
3139                 WREG32(DC_HPD2_INT_CONTROL, hpd2);
3140                 WREG32(DC_HPD3_INT_CONTROL, hpd3);
3141                 WREG32(DC_HPD4_INT_CONTROL, hpd4);
3142                 if (ASIC_IS_DCE32(rdev)) {
3143                         WREG32(DC_HPD5_INT_CONTROL, hpd5);
3144                         WREG32(DC_HPD6_INT_CONTROL, hpd6);
3145                 }
3146         } else {
3147                 WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2);
3148                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
3149                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
3150                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
3151         }
3152
3153         return 0;
3154 }
3155
3156 static void r600_irq_ack(struct radeon_device *rdev)
3157 {
3158         u32 tmp;
3159
3160         if (ASIC_IS_DCE3(rdev)) {
3161                 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
3162                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
3163                 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
3164         } else {
3165                 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
3166                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
3167                 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
3168         }
3169         rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
3170         rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
3171
3172         if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3173                 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3174         if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
3175                 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
3176         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
3177                 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3178         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
3179                 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3180         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
3181                 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
3182         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
3183                 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
3184         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3185                 if (ASIC_IS_DCE3(rdev)) {
3186                         tmp = RREG32(DC_HPD1_INT_CONTROL);
3187                         tmp |= DC_HPDx_INT_ACK;
3188                         WREG32(DC_HPD1_INT_CONTROL, tmp);
3189                 } else {
3190                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
3191                         tmp |= DC_HPDx_INT_ACK;
3192                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3193                 }
3194         }
3195         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3196                 if (ASIC_IS_DCE3(rdev)) {
3197                         tmp = RREG32(DC_HPD2_INT_CONTROL);
3198                         tmp |= DC_HPDx_INT_ACK;
3199                         WREG32(DC_HPD2_INT_CONTROL, tmp);
3200                 } else {
3201                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
3202                         tmp |= DC_HPDx_INT_ACK;
3203                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3204                 }
3205         }
3206         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3207                 if (ASIC_IS_DCE3(rdev)) {
3208                         tmp = RREG32(DC_HPD3_INT_CONTROL);
3209                         tmp |= DC_HPDx_INT_ACK;
3210                         WREG32(DC_HPD3_INT_CONTROL, tmp);
3211                 } else {
3212                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
3213                         tmp |= DC_HPDx_INT_ACK;
3214                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3215                 }
3216         }
3217         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3218                 tmp = RREG32(DC_HPD4_INT_CONTROL);
3219                 tmp |= DC_HPDx_INT_ACK;
3220                 WREG32(DC_HPD4_INT_CONTROL, tmp);
3221         }
3222         if (ASIC_IS_DCE32(rdev)) {
3223                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3224                         tmp = RREG32(DC_HPD5_INT_CONTROL);
3225                         tmp |= DC_HPDx_INT_ACK;
3226                         WREG32(DC_HPD5_INT_CONTROL, tmp);
3227                 }
3228                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3229                         tmp = RREG32(DC_HPD5_INT_CONTROL);
3230                         tmp |= DC_HPDx_INT_ACK;
3231                         WREG32(DC_HPD6_INT_CONTROL, tmp);
3232                 }
3233         }
3234         if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3235                 WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3236         }
3237         if (ASIC_IS_DCE3(rdev)) {
3238                 if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3239                         WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3240                 }
3241         } else {
3242                 if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) {
3243                         WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK);
3244                 }
3245         }
3246 }
3247
3248 void r600_irq_disable(struct radeon_device *rdev)
3249 {
3250         r600_disable_interrupts(rdev);
3251         /* Wait and acknowledge irq */
3252         mdelay(1);
3253         r600_irq_ack(rdev);
3254         r600_disable_interrupt_state(rdev);
3255 }
3256
3257 static u32 r600_get_ih_wptr(struct radeon_device *rdev)
3258 {
3259         u32 wptr, tmp;
3260
3261         if (rdev->wb.enabled)
3262                 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
3263         else
3264                 wptr = RREG32(IH_RB_WPTR);
3265
3266         if (wptr & RB_OVERFLOW) {
3267                 /* When a ring buffer overflow happen start parsing interrupt
3268                  * from the last not overwritten vector (wptr + 16). Hopefully
3269                  * this should allow us to catchup.
3270                  */
3271                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
3272                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
3273                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
3274                 tmp = RREG32(IH_RB_CNTL);
3275                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
3276                 WREG32(IH_RB_CNTL, tmp);
3277         }
3278         return (wptr & rdev->ih.ptr_mask);
3279 }
3280
3281 /*        r600 IV Ring
3282  * Each IV ring entry is 128 bits:
3283  * [7:0]    - interrupt source id
3284  * [31:8]   - reserved
3285  * [59:32]  - interrupt source data
3286  * [127:60]  - reserved
3287  *
3288  * The basic interrupt vector entries
3289  * are decoded as follows:
3290  * src_id  src_data  description
3291  *      1         0  D1 Vblank
3292  *      1         1  D1 Vline
3293  *      5         0  D2 Vblank
3294  *      5         1  D2 Vline
3295  *     19         0  FP Hot plug detection A
3296  *     19         1  FP Hot plug detection B
3297  *     19         2  DAC A auto-detection
3298  *     19         3  DAC B auto-detection
3299  *     21         4  HDMI block A
3300  *     21         5  HDMI block B
3301  *    176         -  CP_INT RB
3302  *    177         -  CP_INT IB1
3303  *    178         -  CP_INT IB2
3304  *    181         -  EOP Interrupt
3305  *    233         -  GUI Idle
3306  *
3307  * Note, these are based on r600 and may need to be
3308  * adjusted or added to on newer asics
3309  */
3310
3311 int r600_irq_process(struct radeon_device *rdev)
3312 {
3313         u32 wptr;
3314         u32 rptr;
3315         u32 src_id, src_data;
3316         u32 ring_index;
3317         unsigned long flags;
3318         bool queue_hotplug = false;
3319
3320         if (!rdev->ih.enabled || rdev->shutdown)
3321                 return IRQ_NONE;
3322
3323         /* No MSIs, need a dummy read to flush PCI DMAs */
3324         if (!rdev->msi_enabled)
3325                 RREG32(IH_RB_WPTR);
3326
3327         wptr = r600_get_ih_wptr(rdev);
3328         rptr = rdev->ih.rptr;
3329         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
3330
3331         spin_lock_irqsave(&rdev->ih.lock, flags);
3332
3333         if (rptr == wptr) {
3334                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
3335                 return IRQ_NONE;
3336         }
3337
3338 restart_ih:
3339         /* Order reading of wptr vs. reading of IH ring data */
3340         rmb();
3341
3342         /* display interrupts */
3343         r600_irq_ack(rdev);
3344
3345         rdev->ih.wptr = wptr;
3346         while (rptr != wptr) {
3347                 /* wptr/rptr are in bytes! */
3348                 ring_index = rptr / 4;
3349                 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
3350                 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
3351
3352                 switch (src_id) {
3353                 case 1: /* D1 vblank/vline */
3354                         switch (src_data) {
3355                         case 0: /* D1 vblank */
3356                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
3357                                         if (rdev->irq.crtc_vblank_int[0]) {
3358                                                 drm_handle_vblank(rdev->ddev, 0);
3359                                                 rdev->pm.vblank_sync = true;
3360                                                 wake_up(&rdev->irq.vblank_queue);
3361                                         }
3362                                         if (rdev->irq.pflip[0])
3363                                                 radeon_crtc_handle_flip(rdev, 0);
3364                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
3365                                         DRM_DEBUG("IH: D1 vblank\n");
3366                                 }
3367                                 break;
3368                         case 1: /* D1 vline */
3369                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
3370                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
3371                                         DRM_DEBUG("IH: D1 vline\n");
3372                                 }
3373                                 break;
3374                         default:
3375                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3376                                 break;
3377                         }
3378                         break;
3379                 case 5: /* D2 vblank/vline */
3380                         switch (src_data) {
3381                         case 0: /* D2 vblank */
3382                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
3383                                         if (rdev->irq.crtc_vblank_int[1]) {
3384                                                 drm_handle_vblank(rdev->ddev, 1);
3385                                                 rdev->pm.vblank_sync = true;
3386                                                 wake_up(&rdev->irq.vblank_queue);
3387                                         }
3388                                         if (rdev->irq.pflip[1])
3389                                                 radeon_crtc_handle_flip(rdev, 1);
3390                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
3391                                         DRM_DEBUG("IH: D2 vblank\n");
3392                                 }
3393                                 break;
3394                         case 1: /* D1 vline */
3395                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
3396                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
3397                                         DRM_DEBUG("IH: D2 vline\n");
3398                                 }
3399                                 break;
3400                         default:
3401                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3402                                 break;
3403                         }
3404                         break;
3405                 case 19: /* HPD/DAC hotplug */
3406                         switch (src_data) {
3407                         case 0:
3408                                 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
3409                                         rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
3410                                         queue_hotplug = true;
3411                                         DRM_DEBUG("IH: HPD1\n");
3412                                 }
3413                                 break;
3414                         case 1:
3415                                 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
3416                                         rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
3417                                         queue_hotplug = true;
3418                                         DRM_DEBUG("IH: HPD2\n");
3419                                 }
3420                                 break;
3421                         case 4:
3422                                 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
3423                                         rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
3424                                         queue_hotplug = true;
3425                                         DRM_DEBUG("IH: HPD3\n");
3426                                 }
3427                                 break;
3428                         case 5:
3429                                 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
3430                                         rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
3431                                         queue_hotplug = true;
3432                                         DRM_DEBUG("IH: HPD4\n");
3433                                 }
3434                                 break;
3435                         case 10:
3436                                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
3437                                         rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
3438                                         queue_hotplug = true;
3439                                         DRM_DEBUG("IH: HPD5\n");
3440                                 }
3441                                 break;
3442                         case 12:
3443                                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
3444                                         rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
3445                                         queue_hotplug = true;
3446                                         DRM_DEBUG("IH: HPD6\n");
3447                                 }
3448                                 break;
3449                         default:
3450                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3451                                 break;
3452                         }
3453                         break;
3454                 case 21: /* HDMI */
3455                         DRM_DEBUG("IH: HDMI: 0x%x\n", src_data);
3456                         r600_audio_schedule_polling(rdev);
3457                         break;
3458                 case 176: /* CP_INT in ring buffer */
3459                 case 177: /* CP_INT in IB1 */
3460                 case 178: /* CP_INT in IB2 */
3461                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
3462                         radeon_fence_process(rdev);
3463                         break;
3464                 case 181: /* CP EOP event */
3465                         DRM_DEBUG("IH: CP EOP\n");
3466                         radeon_fence_process(rdev);
3467                         break;
3468                 case 233: /* GUI IDLE */
3469                         DRM_DEBUG("IH: GUI idle\n");
3470                         rdev->pm.gui_idle = true;
3471                         wake_up(&rdev->irq.idle_queue);
3472                         break;
3473                 default:
3474                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3475                         break;
3476                 }
3477
3478                 /* wptr/rptr are in bytes! */
3479                 rptr += 16;
3480                 rptr &= rdev->ih.ptr_mask;
3481         }
3482         /* make sure wptr hasn't changed while processing */
3483         wptr = r600_get_ih_wptr(rdev);
3484         if (wptr != rdev->ih.wptr)
3485                 goto restart_ih;
3486         if (queue_hotplug)
3487                 schedule_work(&rdev->hotplug_work);
3488         rdev->ih.rptr = rptr;
3489         WREG32(IH_RB_RPTR, rdev->ih.rptr);
3490         spin_unlock_irqrestore(&rdev->ih.lock, flags);
3491         return IRQ_HANDLED;
3492 }
3493
3494 /*
3495  * Debugfs info
3496  */
3497 #if defined(CONFIG_DEBUG_FS)
3498
3499 static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data)
3500 {
3501         struct drm_info_node *node = (struct drm_info_node *) m->private;
3502         struct drm_device *dev = node->minor->dev;
3503         struct radeon_device *rdev = dev->dev_private;
3504         unsigned count, i, j;
3505
3506         radeon_ring_free_size(rdev);
3507         count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw;
3508         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT));
3509         seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR));
3510         seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR));
3511         seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr);
3512         seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr);
3513         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
3514         seq_printf(m, "%u dwords in ring\n", count);
3515         i = rdev->cp.rptr;
3516         for (j = 0; j <= count; j++) {
3517                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
3518                 i = (i + 1) & rdev->cp.ptr_mask;
3519         }
3520         return 0;
3521 }
3522
3523 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
3524 {
3525         struct drm_info_node *node = (struct drm_info_node *) m->private;
3526         struct drm_device *dev = node->minor->dev;
3527         struct radeon_device *rdev = dev->dev_private;
3528
3529         DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
3530         DREG32_SYS(m, rdev, VM_L2_STATUS);
3531         return 0;
3532 }
3533
3534 static struct drm_info_list r600_mc_info_list[] = {
3535         {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
3536         {"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL},
3537 };
3538 #endif
3539
3540 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
3541 {
3542 #if defined(CONFIG_DEBUG_FS)
3543         return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
3544 #else
3545         return 0;
3546 #endif
3547 }
3548
3549 /**
3550  * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
3551  * rdev: radeon device structure
3552  * bo: buffer object struct which userspace is waiting for idle
3553  *
3554  * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
3555  * through ring buffer, this leads to corruption in rendering, see
3556  * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
3557  * directly perform HDP flush by writing register through MMIO.
3558  */
3559 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
3560 {
3561         /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
3562          * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
3563          * This seems to cause problems on some AGP cards. Just use the old
3564          * method for them.
3565          */
3566         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
3567             rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
3568                 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3569                 u32 tmp;
3570
3571                 WREG32(HDP_DEBUG1, 0);
3572                 tmp = readl((void __iomem *)ptr);
3573         } else
3574                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
3575 }
3576
3577 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
3578 {
3579         u32 link_width_cntl, mask, target_reg;
3580
3581         if (rdev->flags & RADEON_IS_IGP)
3582                 return;
3583
3584         if (!(rdev->flags & RADEON_IS_PCIE))
3585                 return;
3586
3587         /* x2 cards have a special sequence */
3588         if (ASIC_IS_X2(rdev))
3589                 return;
3590
3591         /* FIXME wait for idle */
3592
3593         switch (lanes) {
3594         case 0:
3595                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
3596                 break;
3597         case 1:
3598                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
3599                 break;
3600         case 2:
3601                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
3602                 break;
3603         case 4:
3604                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
3605                 break;
3606         case 8:
3607                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
3608                 break;
3609         case 12:
3610                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
3611                 break;
3612         case 16:
3613         default:
3614                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
3615                 break;
3616         }
3617
3618         link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3619
3620         if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
3621             (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
3622                 return;
3623
3624         if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS)
3625                 return;
3626
3627         link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
3628                              RADEON_PCIE_LC_RECONFIG_NOW |
3629                              R600_PCIE_LC_RENEGOTIATE_EN |
3630                              R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
3631         link_width_cntl |= mask;
3632
3633         WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3634
3635         /* some northbridges can renegotiate the link rather than requiring
3636          * a complete re-config.
3637          * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.)
3638          */
3639         if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT)
3640                 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT;
3641         else
3642                 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE;
3643
3644         WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
3645                                                        RADEON_PCIE_LC_RECONFIG_NOW));
3646
3647         if (rdev->family >= CHIP_RV770)
3648                 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX;
3649         else
3650                 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX;
3651
3652         /* wait for lane set to complete */
3653         link_width_cntl = RREG32(target_reg);
3654         while (link_width_cntl == 0xffffffff)
3655                 link_width_cntl = RREG32(target_reg);
3656
3657 }
3658
3659 int r600_get_pcie_lanes(struct radeon_device *rdev)
3660 {
3661         u32 link_width_cntl;
3662
3663         if (rdev->flags & RADEON_IS_IGP)
3664                 return 0;
3665
3666         if (!(rdev->flags & RADEON_IS_PCIE))
3667                 return 0;
3668
3669         /* x2 cards have a special sequence */
3670         if (ASIC_IS_X2(rdev))
3671                 return 0;
3672
3673         /* FIXME wait for idle */
3674
3675         link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
3676
3677         switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
3678         case RADEON_PCIE_LC_LINK_WIDTH_X0:
3679                 return 0;
3680         case RADEON_PCIE_LC_LINK_WIDTH_X1:
3681                 return 1;
3682         case RADEON_PCIE_LC_LINK_WIDTH_X2:
3683                 return 2;
3684         case RADEON_PCIE_LC_LINK_WIDTH_X4:
3685                 return 4;
3686         case RADEON_PCIE_LC_LINK_WIDTH_X8:
3687                 return 8;
3688         case RADEON_PCIE_LC_LINK_WIDTH_X16:
3689         default:
3690                 return 16;
3691         }
3692 }
3693
3694 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
3695 {
3696         u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
3697         u16 link_cntl2;
3698
3699         if (radeon_pcie_gen2 == 0)
3700                 return;
3701
3702         if (rdev->flags & RADEON_IS_IGP)
3703                 return;
3704
3705         if (!(rdev->flags & RADEON_IS_PCIE))
3706                 return;
3707
3708         /* x2 cards have a special sequence */
3709         if (ASIC_IS_X2(rdev))
3710                 return;
3711
3712         /* only RV6xx+ chips are supported */
3713         if (rdev->family <= CHIP_R600)
3714                 return;
3715
3716         /* 55 nm r6xx asics */
3717         if ((rdev->family == CHIP_RV670) ||
3718             (rdev->family == CHIP_RV620) ||
3719             (rdev->family == CHIP_RV635)) {
3720                 /* advertise upconfig capability */
3721                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3722                 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3723                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3724                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3725                 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
3726                         lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
3727                         link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
3728                                              LC_RECONFIG_ARC_MISSING_ESCAPE);
3729                         link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
3730                         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3731                 } else {
3732                         link_width_cntl |= LC_UPCONFIGURE_DIS;
3733                         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3734                 }
3735         }
3736
3737         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3738         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
3739             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3740
3741                 /* 55 nm r6xx asics */
3742                 if ((rdev->family == CHIP_RV670) ||
3743                     (rdev->family == CHIP_RV620) ||
3744                     (rdev->family == CHIP_RV635)) {
3745                         WREG32(MM_CFGREGS_CNTL, 0x8);
3746                         link_cntl2 = RREG32(0x4088);
3747                         WREG32(MM_CFGREGS_CNTL, 0);
3748                         /* not supported yet */
3749                         if (link_cntl2 & SELECTABLE_DEEMPHASIS)
3750                                 return;
3751                 }
3752
3753                 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
3754                 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
3755                 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
3756                 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
3757                 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
3758                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3759
3760                 tmp = RREG32(0x541c);
3761                 WREG32(0x541c, tmp | 0x8);
3762                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
3763                 link_cntl2 = RREG16(0x4088);
3764                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
3765                 link_cntl2 |= 0x2;
3766                 WREG16(0x4088, link_cntl2);
3767                 WREG32(MM_CFGREGS_CNTL, 0);
3768
3769                 if ((rdev->family == CHIP_RV670) ||
3770                     (rdev->family == CHIP_RV620) ||
3771                     (rdev->family == CHIP_RV635)) {
3772                         training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL);
3773                         training_cntl &= ~LC_POINT_7_PLUS_EN;
3774                         WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl);
3775                 } else {
3776                         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3777                         speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3778                         WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3779                 }
3780
3781                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3782                 speed_cntl |= LC_GEN2_EN_STRAP;
3783                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3784
3785         } else {
3786                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3787                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3788                 if (1)
3789                         link_width_cntl |= LC_UPCONFIGURE_DIS;
3790                 else
3791                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3792                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3793         }
3794 }