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 <drm/drmP.h>
  34 #include <drm/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 #define ARUBA_RLC_UCODE_SIZE 1536
  53
  54 /* Firmware Names */
  55 MODULE_FIRMWARE("radeon/R600_pfp.bin");
  56 MODULE_FIRMWARE("radeon/R600_me.bin");
  57 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
  58 MODULE_FIRMWARE("radeon/RV610_me.bin");
  59 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
  60 MODULE_FIRMWARE("radeon/RV630_me.bin");
  61 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
  62 MODULE_FIRMWARE("radeon/RV620_me.bin");
  63 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
  64 MODULE_FIRMWARE("radeon/RV635_me.bin");
  65 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
  66 MODULE_FIRMWARE("radeon/RV670_me.bin");
  67 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
  68 MODULE_FIRMWARE("radeon/RS780_me.bin");
  69 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
  70 MODULE_FIRMWARE("radeon/RV770_me.bin");
  71 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
  72 MODULE_FIRMWARE("radeon/RV730_me.bin");
  73 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
  74 MODULE_FIRMWARE("radeon/RV710_me.bin");
  75 MODULE_FIRMWARE("radeon/R600_rlc.bin");
  76 MODULE_FIRMWARE("radeon/R700_rlc.bin");
  77 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
  78 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
  79 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
  80 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
  81 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
  82 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
  83 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
  84 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
  85 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
  86 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
  87 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
  88 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
  89 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
  90 MODULE_FIRMWARE("radeon/PALM_me.bin");
  91 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
  92 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
  93 MODULE_FIRMWARE("radeon/SUMO_me.bin");
  94 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
  95 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
  96
  97 static const u32 crtc_offsets[2] =
  98 {
  99         0,
 100         AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
 101 };
 102
 103 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
 104
 105 /* r600,rv610,rv630,rv620,rv635,rv670 */
 106 int r600_mc_wait_for_idle(struct radeon_device *rdev);
 107 static void r600_gpu_init(struct radeon_device *rdev);
 108 void r600_fini(struct radeon_device *rdev);
 109 void r600_irq_disable(struct radeon_device *rdev);
 110 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
 111
 112 /**
 113  * r600_get_xclk - get the xclk
 114  *
 115  * @rdev: radeon_device pointer
 116  *
 117  * Returns the reference clock used by the gfx engine
 118  * (r6xx, IGPs, APUs).
 119  */
 120 u32 r600_get_xclk(struct radeon_device *rdev)
 121 {
 122         return rdev->clock.spll.reference_freq;
 123 }
 124
 125 /* get temperature in millidegrees */
 126 int rv6xx_get_temp(struct radeon_device *rdev)
 127 {
 128         u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
 129                 ASIC_T_SHIFT;
 130         int actual_temp = temp & 0xff;
 131
 132         if (temp & 0x100)
 133                 actual_temp -= 256;
 134
 135         return actual_temp * 1000;
 136 }
 137
 138 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
 139 {
 140         int i;
 141
 142         rdev->pm.dynpm_can_upclock = true;
 143         rdev->pm.dynpm_can_downclock = true;
 144
 145         /* power state array is low to high, default is first */
 146         if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
 147                 int min_power_state_index = 0;
 148
 149                 if (rdev->pm.num_power_states > 2)
 150                         min_power_state_index = 1;
 151
 152                 switch (rdev->pm.dynpm_planned_action) {
 153                 case DYNPM_ACTION_MINIMUM:
 154                         rdev->pm.requested_power_state_index = min_power_state_index;
 155                         rdev->pm.requested_clock_mode_index = 0;
 156                         rdev->pm.dynpm_can_downclock = false;
 157                         break;
 158                 case DYNPM_ACTION_DOWNCLOCK:
 159                         if (rdev->pm.current_power_state_index == min_power_state_index) {
 160                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 161                                 rdev->pm.dynpm_can_downclock = false;
 162                         } else {
 163                                 if (rdev->pm.active_crtc_count > 1) {
 164                                         for (i = 0; i < rdev->pm.num_power_states; i++) {
 165                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 166                                                         continue;
 167                                                 else if (i >= rdev->pm.current_power_state_index) {
 168                                                         rdev->pm.requested_power_state_index =
 169                                                                 rdev->pm.current_power_state_index;
 170                                                         break;
 171                                                 } else {
 172                                                         rdev->pm.requested_power_state_index = i;
 173                                                         break;
 174                                                 }
 175                                         }
 176                                 } else {
 177                                         if (rdev->pm.current_power_state_index == 0)
 178                                                 rdev->pm.requested_power_state_index =
 179                                                         rdev->pm.num_power_states - 1;
 180                                         else
 181                                                 rdev->pm.requested_power_state_index =
 182                                                         rdev->pm.current_power_state_index - 1;
 183                                 }
 184                         }
 185                         rdev->pm.requested_clock_mode_index = 0;
 186                         /* don't use the power state if crtcs are active and no display flag is set */
 187                         if ((rdev->pm.active_crtc_count > 0) &&
 188                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 189                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 190                              RADEON_PM_MODE_NO_DISPLAY)) {
 191                                 rdev->pm.requested_power_state_index++;
 192                         }
 193                         break;
 194                 case DYNPM_ACTION_UPCLOCK:
 195                         if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 196                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 197                                 rdev->pm.dynpm_can_upclock = false;
 198                         } else {
 199                                 if (rdev->pm.active_crtc_count > 1) {
 200                                         for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 201                                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 202                                                         continue;
 203                                                 else if (i <= rdev->pm.current_power_state_index) {
 204                                                         rdev->pm.requested_power_state_index =
 205                                                                 rdev->pm.current_power_state_index;
 206                                                         break;
 207                                                 } else {
 208                                                         rdev->pm.requested_power_state_index = i;
 209                                                         break;
 210                                                 }
 211                                         }
 212                                 } else
 213                                         rdev->pm.requested_power_state_index =
 214                                                 rdev->pm.current_power_state_index + 1;
 215                         }
 216                         rdev->pm.requested_clock_mode_index = 0;
 217                         break;
 218                 case DYNPM_ACTION_DEFAULT:
 219                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 220                         rdev->pm.requested_clock_mode_index = 0;
 221                         rdev->pm.dynpm_can_upclock = false;
 222                         break;
 223                 case DYNPM_ACTION_NONE:
 224                 default:
 225                         DRM_ERROR("Requested mode for not defined action\n");
 226                         return;
 227                 }
 228         } else {
 229                 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
 230                 /* for now just select the first power state and switch between clock modes */
 231                 /* power state array is low to high, default is first (0) */
 232                 if (rdev->pm.active_crtc_count > 1) {
 233                         rdev->pm.requested_power_state_index = -1;
 234                         /* start at 1 as we don't want the default mode */
 235                         for (i = 1; i < rdev->pm.num_power_states; i++) {
 236                                 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 237                                         continue;
 238                                 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
 239                                          (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
 240                                         rdev->pm.requested_power_state_index = i;
 241                                         break;
 242                                 }
 243                         }
 244                         /* if nothing selected, grab the default state. */
 245                         if (rdev->pm.requested_power_state_index == -1)
 246                                 rdev->pm.requested_power_state_index = 0;
 247                 } else
 248                         rdev->pm.requested_power_state_index = 1;
 249
 250                 switch (rdev->pm.dynpm_planned_action) {
 251                 case DYNPM_ACTION_MINIMUM:
 252                         rdev->pm.requested_clock_mode_index = 0;
 253                         rdev->pm.dynpm_can_downclock = false;
 254                         break;
 255                 case DYNPM_ACTION_DOWNCLOCK:
 256                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 257                                 if (rdev->pm.current_clock_mode_index == 0) {
 258                                         rdev->pm.requested_clock_mode_index = 0;
 259                                         rdev->pm.dynpm_can_downclock = false;
 260                                 } else
 261                                         rdev->pm.requested_clock_mode_index =
 262                                                 rdev->pm.current_clock_mode_index - 1;
 263                         } else {
 264                                 rdev->pm.requested_clock_mode_index = 0;
 265                                 rdev->pm.dynpm_can_downclock = false;
 266                         }
 267                         /* don't use the power state if crtcs are active and no display flag is set */
 268                         if ((rdev->pm.active_crtc_count > 0) &&
 269                             (rdev->pm.power_state[rdev->pm.requested_power_state_index].
 270                              clock_info[rdev->pm.requested_clock_mode_index].flags &
 271                              RADEON_PM_MODE_NO_DISPLAY)) {
 272                                 rdev->pm.requested_clock_mode_index++;
 273                         }
 274                         break;
 275                 case DYNPM_ACTION_UPCLOCK:
 276                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
 277                                 if (rdev->pm.current_clock_mode_index ==
 278                                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
 279                                         rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
 280                                         rdev->pm.dynpm_can_upclock = false;
 281                                 } else
 282                                         rdev->pm.requested_clock_mode_index =
 283                                                 rdev->pm.current_clock_mode_index + 1;
 284                         } else {
 285                                 rdev->pm.requested_clock_mode_index =
 286                                         rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
 287                                 rdev->pm.dynpm_can_upclock = false;
 288                         }
 289                         break;
 290                 case DYNPM_ACTION_DEFAULT:
 291                         rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 292                         rdev->pm.requested_clock_mode_index = 0;
 293                         rdev->pm.dynpm_can_upclock = false;
 294                         break;
 295                 case DYNPM_ACTION_NONE:
 296                 default:
 297                         DRM_ERROR("Requested mode for not defined action\n");
 298                         return;
 299                 }
 300         }
 301
 302         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 303                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 304                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 305                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 306                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 307                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 308                   pcie_lanes);
 309 }
 310
 311 void rs780_pm_init_profile(struct radeon_device *rdev)
 312 {
 313         if (rdev->pm.num_power_states == 2) {
 314                 /* default */
 315                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 316                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 317                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 318                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 319                 /* low sh */
 320                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 321                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 322                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 323                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 324                 /* mid sh */
 325                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 326                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 327                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 328                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 329                 /* high sh */
 330                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 331                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 332                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 333                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 334                 /* low mh */
 335                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 336                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 337                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 338                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 339                 /* mid mh */
 340                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 341                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 342                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 343                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 344                 /* high mh */
 345                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 346                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
 347                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 348                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 349         } else if (rdev->pm.num_power_states == 3) {
 350                 /* default */
 351                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 352                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 353                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 354                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 355                 /* low sh */
 356                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 357                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 358                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 359                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 360                 /* mid sh */
 361                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 362                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 363                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 364                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 365                 /* high sh */
 366                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 367                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
 368                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 369                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 370                 /* low mh */
 371                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
 372                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
 373                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 374                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 375                 /* mid mh */
 376                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
 377                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
 378                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 379                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 380                 /* high mh */
 381                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
 382                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 383                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 384                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 385         } else {
 386                 /* default */
 387                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 388                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 389                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 390                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 391                 /* low sh */
 392                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
 393                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
 394                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 395                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 396                 /* mid sh */
 397                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
 398                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
 399                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 400                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 401                 /* high sh */
 402                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
 403                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
 404                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 405                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 406                 /* low mh */
 407                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 408                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
 409                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 410                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 411                 /* mid mh */
 412                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 413                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
 414                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 415                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 416                 /* high mh */
 417                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 418                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
 419                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 420                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 421         }
 422 }
 423
 424 void r600_pm_init_profile(struct radeon_device *rdev)
 425 {
 426         int idx;
 427
 428         if (rdev->family == CHIP_R600) {
 429                 /* XXX */
 430                 /* default */
 431                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 432                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 433                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 434                 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 435                 /* low sh */
 436                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 437                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 438                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 439                 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 440                 /* mid sh */
 441                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 442                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 443                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 444                 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 445                 /* high sh */
 446                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 447                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 448                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 449                 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 450                 /* low mh */
 451                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 452                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 453                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 454                 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 455                 /* mid mh */
 456                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 457                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 458                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 459                 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 460                 /* high mh */
 461                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 462                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 463                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 464                 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 465         } else {
 466                 if (rdev->pm.num_power_states < 4) {
 467                         /* default */
 468                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 469                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 470                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 471                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 472                         /* low sh */
 473                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
 474                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
 475                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 476                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 477                         /* mid sh */
 478                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
 479                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
 480                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 481                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 482                         /* high sh */
 483                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
 484                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
 485                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 486                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 487                         /* low mh */
 488                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
 489                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
 490                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 491                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 492                         /* low mh */
 493                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
 494                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
 495                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 496                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 497                         /* high mh */
 498                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
 499                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
 500                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 501                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 502                 } else {
 503                         /* default */
 504                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 505                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 506                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 507                         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
 508                         /* low sh */
 509                         if (rdev->flags & RADEON_IS_MOBILITY)
 510                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
 511                         else
 512                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 513                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
 514                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
 515                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 516                         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 517                         /* mid sh */
 518                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
 519                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
 520                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 521                         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
 522                         /* high sh */
 523                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
 524                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
 525                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
 526                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 527                         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
 528                         /* low mh */
 529                         if (rdev->flags & RADEON_IS_MOBILITY)
 530                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
 531                         else
 532                                 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 533                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
 534                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
 535                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 536                         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 537                         /* mid mh */
 538                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
 539                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
 540                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 541                         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
 542                         /* high mh */
 543                         idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
 544                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
 545                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
 546                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 547                         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
 548                 }
 549         }
 550 }
 551
 552 void r600_pm_misc(struct radeon_device *rdev)
 553 {
 554         int req_ps_idx = rdev->pm.requested_power_state_index;
 555         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 556         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 557         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 558
 559         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 560                 /* 0xff01 is a flag rather then an actual voltage */
 561                 if (voltage->voltage == 0xff01)
 562                         return;
 563                 if (voltage->voltage != rdev->pm.current_vddc) {
 564                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 565                         rdev->pm.current_vddc = voltage->voltage;
 566                         DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
 567                 }
 568         }
 569 }
 570
 571 bool r600_gui_idle(struct radeon_device *rdev)
 572 {
 573         if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
 574                 return false;
 575         else
 576                 return true;
 577 }
 578
 579 /* hpd for digital panel detect/disconnect */
 580 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 581 {
 582         bool connected = false;
 583
 584         if (ASIC_IS_DCE3(rdev)) {
 585                 switch (hpd) {
 586                 case RADEON_HPD_1:
 587                         if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 588                                 connected = true;
 589                         break;
 590                 case RADEON_HPD_2:
 591                         if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 592                                 connected = true;
 593                         break;
 594                 case RADEON_HPD_3:
 595                         if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 596                                 connected = true;
 597                         break;
 598                 case RADEON_HPD_4:
 599                         if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 600                                 connected = true;
 601                         break;
 602                         /* DCE 3.2 */
 603                 case RADEON_HPD_5:
 604                         if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 605                                 connected = true;
 606                         break;
 607                 case RADEON_HPD_6:
 608                         if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 609                                 connected = true;
 610                         break;
 611                 default:
 612                         break;
 613                 }
 614         } else {
 615                 switch (hpd) {
 616                 case RADEON_HPD_1:
 617                         if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 618                                 connected = true;
 619                         break;
 620                 case RADEON_HPD_2:
 621                         if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 622                                 connected = true;
 623                         break;
 624                 case RADEON_HPD_3:
 625                         if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
 626                                 connected = true;
 627                         break;
 628                 default:
 629                         break;
 630                 }
 631         }
 632         return connected;
 633 }
 634
 635 void r600_hpd_set_polarity(struct radeon_device *rdev,
 636                            enum radeon_hpd_id hpd)
 637 {
 638         u32 tmp;
 639         bool connected = r600_hpd_sense(rdev, hpd);
 640
 641         if (ASIC_IS_DCE3(rdev)) {
 642                 switch (hpd) {
 643                 case RADEON_HPD_1:
 644                         tmp = RREG32(DC_HPD1_INT_CONTROL);
 645                         if (connected)
 646                                 tmp &= ~DC_HPDx_INT_POLARITY;
 647                         else
 648                                 tmp |= DC_HPDx_INT_POLARITY;
 649                         WREG32(DC_HPD1_INT_CONTROL, tmp);
 650                         break;
 651                 case RADEON_HPD_2:
 652                         tmp = RREG32(DC_HPD2_INT_CONTROL);
 653                         if (connected)
 654                                 tmp &= ~DC_HPDx_INT_POLARITY;
 655                         else
 656                                 tmp |= DC_HPDx_INT_POLARITY;
 657                         WREG32(DC_HPD2_INT_CONTROL, tmp);
 658                         break;
 659                 case RADEON_HPD_3:
 660                         tmp = RREG32(DC_HPD3_INT_CONTROL);
 661                         if (connected)
 662                                 tmp &= ~DC_HPDx_INT_POLARITY;
 663                         else
 664                                 tmp |= DC_HPDx_INT_POLARITY;
 665                         WREG32(DC_HPD3_INT_CONTROL, tmp);
 666                         break;
 667                 case RADEON_HPD_4:
 668                         tmp = RREG32(DC_HPD4_INT_CONTROL);
 669                         if (connected)
 670                                 tmp &= ~DC_HPDx_INT_POLARITY;
 671                         else
 672                                 tmp |= DC_HPDx_INT_POLARITY;
 673                         WREG32(DC_HPD4_INT_CONTROL, tmp);
 674                         break;
 675                 case RADEON_HPD_5:
 676                         tmp = RREG32(DC_HPD5_INT_CONTROL);
 677                         if (connected)
 678                                 tmp &= ~DC_HPDx_INT_POLARITY;
 679                         else
 680                                 tmp |= DC_HPDx_INT_POLARITY;
 681                         WREG32(DC_HPD5_INT_CONTROL, tmp);
 682                         break;
 683                         /* DCE 3.2 */
 684                 case RADEON_HPD_6:
 685                         tmp = RREG32(DC_HPD6_INT_CONTROL);
 686                         if (connected)
 687                                 tmp &= ~DC_HPDx_INT_POLARITY;
 688                         else
 689                                 tmp |= DC_HPDx_INT_POLARITY;
 690                         WREG32(DC_HPD6_INT_CONTROL, tmp);
 691                         break;
 692                 default:
 693                         break;
 694                 }
 695         } else {
 696                 switch (hpd) {
 697                 case RADEON_HPD_1:
 698                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
 699                         if (connected)
 700                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 701                         else
 702                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 703                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 704                         break;
 705                 case RADEON_HPD_2:
 706                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
 707                         if (connected)
 708                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 709                         else
 710                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 711                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 712                         break;
 713                 case RADEON_HPD_3:
 714                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
 715                         if (connected)
 716                                 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
 717                         else
 718                                 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
 719                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 720                         break;
 721                 default:
 722                         break;
 723                 }
 724         }
 725 }
 726
 727 void r600_hpd_init(struct radeon_device *rdev)
 728 {
 729         struct drm_device *dev = rdev->ddev;
 730         struct drm_connector *connector;
 731         unsigned enable = 0;
 732
 733         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 734                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 735
 736                 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
 737                     connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
 738                         /* don't try to enable hpd on eDP or LVDS avoid breaking the
 739                          * aux dp channel on imac and help (but not completely fix)
 740                          * https://bugzilla.redhat.com/show_bug.cgi?id=726143
 741                          */
 742                         continue;
 743                 }
 744                 if (ASIC_IS_DCE3(rdev)) {
 745                         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
 746                         if (ASIC_IS_DCE32(rdev))
 747                                 tmp |= DC_HPDx_EN;
 748
 749                         switch (radeon_connector->hpd.hpd) {
 750                         case RADEON_HPD_1:
 751                                 WREG32(DC_HPD1_CONTROL, tmp);
 752                                 break;
 753                         case RADEON_HPD_2:
 754                                 WREG32(DC_HPD2_CONTROL, tmp);
 755                                 break;
 756                         case RADEON_HPD_3:
 757                                 WREG32(DC_HPD3_CONTROL, tmp);
 758                                 break;
 759                         case RADEON_HPD_4:
 760                                 WREG32(DC_HPD4_CONTROL, tmp);
 761                                 break;
 762                                 /* DCE 3.2 */
 763                         case RADEON_HPD_5:
 764                                 WREG32(DC_HPD5_CONTROL, tmp);
 765                                 break;
 766                         case RADEON_HPD_6:
 767                                 WREG32(DC_HPD6_CONTROL, tmp);
 768                                 break;
 769                         default:
 770                                 break;
 771                         }
 772                 } else {
 773                         switch (radeon_connector->hpd.hpd) {
 774                         case RADEON_HPD_1:
 775                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 776                                 break;
 777                         case RADEON_HPD_2:
 778                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 779                                 break;
 780                         case RADEON_HPD_3:
 781                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
 782                                 break;
 783                         default:
 784                                 break;
 785                         }
 786                 }
 787                 enable |= 1 << radeon_connector->hpd.hpd;
 788                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 789         }
 790         radeon_irq_kms_enable_hpd(rdev, enable);
 791 }
 792
 793 void r600_hpd_fini(struct radeon_device *rdev)
 794 {
 795         struct drm_device *dev = rdev->ddev;
 796         struct drm_connector *connector;
 797         unsigned disable = 0;
 798
 799         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 800                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 801                 if (ASIC_IS_DCE3(rdev)) {
 802                         switch (radeon_connector->hpd.hpd) {
 803                         case RADEON_HPD_1:
 804                                 WREG32(DC_HPD1_CONTROL, 0);
 805                                 break;
 806                         case RADEON_HPD_2:
 807                                 WREG32(DC_HPD2_CONTROL, 0);
 808                                 break;
 809                         case RADEON_HPD_3:
 810                                 WREG32(DC_HPD3_CONTROL, 0);
 811                                 break;
 812                         case RADEON_HPD_4:
 813                                 WREG32(DC_HPD4_CONTROL, 0);
 814                                 break;
 815                                 /* DCE 3.2 */
 816                         case RADEON_HPD_5:
 817                                 WREG32(DC_HPD5_CONTROL, 0);
 818                                 break;
 819                         case RADEON_HPD_6:
 820                                 WREG32(DC_HPD6_CONTROL, 0);
 821                                 break;
 822                         default:
 823                                 break;
 824                         }
 825                 } else {
 826                         switch (radeon_connector->hpd.hpd) {
 827                         case RADEON_HPD_1:
 828                                 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
 829                                 break;
 830                         case RADEON_HPD_2:
 831                                 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
 832                                 break;
 833                         case RADEON_HPD_3:
 834                                 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
 835                                 break;
 836                         default:
 837                                 break;
 838                         }
 839                 }
 840                 disable |= 1 << radeon_connector->hpd.hpd;
 841         }
 842         radeon_irq_kms_disable_hpd(rdev, disable);
 843 }
 844
 845 /*
 846  * R600 PCIE GART
 847  */
 848 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
 849 {
 850         unsigned i;
 851         u32 tmp;
 852
 853         /* flush hdp cache so updates hit vram */
 854         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
 855             !(rdev->flags & RADEON_IS_AGP)) {
 856                 void __iomem *ptr = (void *)rdev->gart.ptr;
 857                 u32 tmp;
 858
 859                 /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
 860                  * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
 861                  * This seems to cause problems on some AGP cards. Just use the old
 862                  * method for them.
 863                  */
 864                 WREG32(HDP_DEBUG1, 0);
 865                 tmp = readl((void __iomem *)ptr);
 866         } else
 867                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
 868
 869         WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
 870         WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
 871         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 872         for (i = 0; i < rdev->usec_timeout; i++) {
 873                 /* read MC_STATUS */
 874                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 875                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 876                 if (tmp == 2) {
 877                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 878                         return;
 879                 }
 880                 if (tmp) {
 881                         return;
 882                 }
 883                 udelay(1);
 884         }
 885 }
 886
 887 int r600_pcie_gart_init(struct radeon_device *rdev)
 888 {
 889         int r;
 890
 891         if (rdev->gart.robj) {
 892                 WARN(1, "R600 PCIE GART already initialized\n");
 893                 return 0;
 894         }
 895         /* Initialize common gart structure */
 896         r = radeon_gart_init(rdev);
 897         if (r)
 898                 return r;
 899         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 900         return radeon_gart_table_vram_alloc(rdev);
 901 }
 902
 903 static int r600_pcie_gart_enable(struct radeon_device *rdev)
 904 {
 905         u32 tmp;
 906         int r, i;
 907
 908         if (rdev->gart.robj == NULL) {
 909                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 910                 return -EINVAL;
 911         }
 912         r = radeon_gart_table_vram_pin(rdev);
 913         if (r)
 914                 return r;
 915         radeon_gart_restore(rdev);
 916
 917         /* Setup L2 cache */
 918         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 919                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 920                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 921         WREG32(VM_L2_CNTL2, 0);
 922         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
 923         /* Setup TLB control */
 924         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 925                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 926                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
 927                 ENABLE_WAIT_L2_QUERY;
 928         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
 929         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
 930         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
 931         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
 932         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
 933         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
 934         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
 935         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
 936         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
 937         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
 938         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
 939         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
 940         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 941         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
 942         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 943         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 944         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 945         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 946                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 947         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 948                         (u32)(rdev->dummy_page.addr >> 12));
 949         for (i = 1; i < 7; i++)
 950                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 951
 952         r600_pcie_gart_tlb_flush(rdev);
 953         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 954                  (unsigned)(rdev->mc.gtt_size >> 20),
 955                  (unsigned long long)rdev->gart.table_addr);
 956         rdev->gart.ready = true;
 957         return 0;
 958 }
 959
 960 static void r600_pcie_gart_disable(struct radeon_device *rdev)
 961 {
 962         u32 tmp;
 963         int i;
 964
 965         /* Disable all tables */
 966         for (i = 0; i < 7; i++)
 967                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 968
 969         /* Disable L2 cache */
 970         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 971                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 972         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
 973         /* Setup L1 TLB control */
 974         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
 975                 ENABLE_WAIT_L2_QUERY;
 976         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
 977         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
 978         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
 979         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
 980         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
 981         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
 982         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
 983         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
 984         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
 985         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
 986         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
 987         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
 988         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
 989         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
 990         radeon_gart_table_vram_unpin(rdev);
 991 }
 992
 993 static void r600_pcie_gart_fini(struct radeon_device *rdev)
 994 {
 995         radeon_gart_fini(rdev);
 996         r600_pcie_gart_disable(rdev);
 997         radeon_gart_table_vram_free(rdev);
 998 }
 999
1000 static void r600_agp_enable(struct radeon_device *rdev)
1001 {
1002         u32 tmp;
1003         int i;
1004
1005         /* Setup L2 cache */
1006         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1007                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1008                                 EFFECTIVE_L2_QUEUE_SIZE(7));
1009         WREG32(VM_L2_CNTL2, 0);
1010         WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1011         /* Setup TLB control */
1012         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1013                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1014                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1015                 ENABLE_WAIT_L2_QUERY;
1016         WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1017         WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1018         WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1019         WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1020         WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1021         WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1022         WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1023         WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1024         WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1025         WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1026         WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1027         WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1028         WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1029         WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1030         for (i = 0; i < 7; i++)
1031                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1032 }
1033
1034 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1035 {
1036         unsigned i;
1037         u32 tmp;
1038
1039         for (i = 0; i < rdev->usec_timeout; i++) {
1040                 /* read MC_STATUS */
1041                 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1042                 if (!tmp)
1043                         return 0;
1044                 udelay(1);
1045         }
1046         return -1;
1047 }
1048
1049 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1050 {
1051         uint32_t r;
1052
1053         WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1054         r = RREG32(R_0028FC_MC_DATA);
1055         WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1056         return r;
1057 }
1058
1059 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1060 {
1061         WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1062                 S_0028F8_MC_IND_WR_EN(1));
1063         WREG32(R_0028FC_MC_DATA, v);
1064         WREG32(R_0028F8_MC_INDEX, 0x7F);
1065 }
1066
1067 static void r600_mc_program(struct radeon_device *rdev)
1068 {
1069         struct rv515_mc_save save;
1070         u32 tmp;
1071         int i, j;
1072
1073         /* Initialize HDP */
1074         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1075                 WREG32((0x2c14 + j), 0x00000000);
1076                 WREG32((0x2c18 + j), 0x00000000);
1077                 WREG32((0x2c1c + j), 0x00000000);
1078                 WREG32((0x2c20 + j), 0x00000000);
1079                 WREG32((0x2c24 + j), 0x00000000);
1080         }
1081         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1082
1083         rv515_mc_stop(rdev, &save);
1084         if (r600_mc_wait_for_idle(rdev)) {
1085                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1086         }
1087         /* Lockout access through VGA aperture (doesn't exist before R600) */
1088         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1089         /* Update configuration */
1090         if (rdev->flags & RADEON_IS_AGP) {
1091                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1092                         /* VRAM before AGP */
1093                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1094                                 rdev->mc.vram_start >> 12);
1095                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1096                                 rdev->mc.gtt_end >> 12);
1097                 } else {
1098                         /* VRAM after AGP */
1099                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1100                                 rdev->mc.gtt_start >> 12);
1101                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1102                                 rdev->mc.vram_end >> 12);
1103                 }
1104         } else {
1105                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1106                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1107         }
1108         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1109         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1110         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1111         WREG32(MC_VM_FB_LOCATION, tmp);
1112         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1113         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1114         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1115         if (rdev->flags & RADEON_IS_AGP) {
1116                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1117                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1118                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1119         } else {
1120                 WREG32(MC_VM_AGP_BASE, 0);
1121                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1122                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1123         }
1124         if (r600_mc_wait_for_idle(rdev)) {
1125                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1126         }
1127         rv515_mc_resume(rdev, &save);
1128         /* we need to own VRAM, so turn off the VGA renderer here
1129          * to stop it overwriting our objects */
1130         rv515_vga_render_disable(rdev);
1131 }
1132
1133 /**
1134  * r600_vram_gtt_location - try to find VRAM & GTT location
1135  * @rdev: radeon device structure holding all necessary informations
1136  * @mc: memory controller structure holding memory informations
1137  *
1138  * Function will place try to place VRAM at same place as in CPU (PCI)
1139  * address space as some GPU seems to have issue when we reprogram at
1140  * different address space.
1141  *
1142  * If there is not enough space to fit the unvisible VRAM after the
1143  * aperture then we limit the VRAM size to the aperture.
1144  *
1145  * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1146  * them to be in one from GPU point of view so that we can program GPU to
1147  * catch access outside them (weird GPU policy see ??).
1148  *
1149  * This function will never fails, worst case are limiting VRAM or GTT.
1150  *
1151  * Note: GTT start, end, size should be initialized before calling this
1152  * function on AGP platform.
1153  */
1154 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1155 {
1156         u64 size_bf, size_af;
1157
1158         if (mc->mc_vram_size > 0xE0000000) {
1159                 /* leave room for at least 512M GTT */
1160                 dev_warn(rdev->dev, "limiting VRAM\n");
1161                 mc->real_vram_size = 0xE0000000;
1162                 mc->mc_vram_size = 0xE0000000;
1163         }
1164         if (rdev->flags & RADEON_IS_AGP) {
1165                 size_bf = mc->gtt_start;
1166                 size_af = mc->mc_mask - mc->gtt_end;
1167                 if (size_bf > size_af) {
1168                         if (mc->mc_vram_size > size_bf) {
1169                                 dev_warn(rdev->dev, "limiting VRAM\n");
1170                                 mc->real_vram_size = size_bf;
1171                                 mc->mc_vram_size = size_bf;
1172                         }
1173                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1174                 } else {
1175                         if (mc->mc_vram_size > size_af) {
1176                                 dev_warn(rdev->dev, "limiting VRAM\n");
1177                                 mc->real_vram_size = size_af;
1178                                 mc->mc_vram_size = size_af;
1179                         }
1180                         mc->vram_start = mc->gtt_end + 1;
1181                 }
1182                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1183                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1184                                 mc->mc_vram_size >> 20, mc->vram_start,
1185                                 mc->vram_end, mc->real_vram_size >> 20);
1186         } else {
1187                 u64 base = 0;
1188                 if (rdev->flags & RADEON_IS_IGP) {
1189                         base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1190                         base <<= 24;
1191                 }
1192                 radeon_vram_location(rdev, &rdev->mc, base);
1193                 rdev->mc.gtt_base_align = 0;
1194                 radeon_gtt_location(rdev, mc);
1195         }
1196 }
1197
1198 static int r600_mc_init(struct radeon_device *rdev)
1199 {
1200         u32 tmp;
1201         int chansize, numchan;
1202         uint32_t h_addr, l_addr;
1203         unsigned long long k8_addr;
1204
1205         /* Get VRAM informations */
1206         rdev->mc.vram_is_ddr = true;
1207         tmp = RREG32(RAMCFG);
1208         if (tmp & CHANSIZE_OVERRIDE) {
1209                 chansize = 16;
1210         } else if (tmp & CHANSIZE_MASK) {
1211                 chansize = 64;
1212         } else {
1213                 chansize = 32;
1214         }
1215         tmp = RREG32(CHMAP);
1216         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1217         case 0:
1218         default:
1219                 numchan = 1;
1220                 break;
1221         case 1:
1222                 numchan = 2;
1223                 break;
1224         case 2:
1225                 numchan = 4;
1226                 break;
1227         case 3:
1228                 numchan = 8;
1229                 break;
1230         }
1231         rdev->mc.vram_width = numchan * chansize;
1232         /* Could aper size report 0 ? */
1233         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1234         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1235         /* Setup GPU memory space */
1236         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1237         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1238         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1239         r600_vram_gtt_location(rdev, &rdev->mc);
1240
1241         if (rdev->flags & RADEON_IS_IGP) {
1242                 rs690_pm_info(rdev);
1243                 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1244
1245                 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1246                         /* Use K8 direct mapping for fast fb access. */
1247                         rdev->fastfb_working = false;
1248                         h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1249                         l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1250                         k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1251 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1252                         if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1253 #endif
1254                         {
1255                                 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1256                                 * memory is present.
1257                                 */
1258                                 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1259                                         DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1260                                                 (unsigned long long)rdev->mc.aper_base, k8_addr);
1261                                         rdev->mc.aper_base = (resource_size_t)k8_addr;
1262                                         rdev->fastfb_working = true;
1263                                 }
1264                         }
1265                 }
1266         }
1267
1268         radeon_update_bandwidth_info(rdev);
1269         return 0;
1270 }
1271
1272 int r600_vram_scratch_init(struct radeon_device *rdev)
1273 {
1274         int r;
1275
1276         if (rdev->vram_scratch.robj == NULL) {
1277                 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1278                                      PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1279                                      NULL, &rdev->vram_scratch.robj);
1280                 if (r) {
1281                         return r;
1282                 }
1283         }
1284
1285         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1286         if (unlikely(r != 0))
1287                 return r;
1288         r = radeon_bo_pin(rdev->vram_scratch.robj,
1289                           RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1290         if (r) {
1291                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1292                 return r;
1293         }
1294         r = radeon_bo_kmap(rdev->vram_scratch.robj,
1295                                 (void **)&rdev->vram_scratch.ptr);
1296         if (r)
1297                 radeon_bo_unpin(rdev->vram_scratch.robj);
1298         radeon_bo_unreserve(rdev->vram_scratch.robj);
1299
1300         return r;
1301 }
1302
1303 void r600_vram_scratch_fini(struct radeon_device *rdev)
1304 {
1305         int r;
1306
1307         if (rdev->vram_scratch.robj == NULL) {
1308                 return;
1309         }
1310         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1311         if (likely(r == 0)) {
1312                 radeon_bo_kunmap(rdev->vram_scratch.robj);
1313                 radeon_bo_unpin(rdev->vram_scratch.robj);
1314                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1315         }
1316         radeon_bo_unref(&rdev->vram_scratch.robj);
1317 }
1318
1319 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1320 {
1321         u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1322
1323         if (hung)
1324                 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1325         else
1326                 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1327
1328         WREG32(R600_BIOS_3_SCRATCH, tmp);
1329 }
1330
1331 static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1332 {
1333         dev_info(rdev->dev, "  R_008010_GRBM_STATUS      = 0x%08X\n",
1334                  RREG32(R_008010_GRBM_STATUS));
1335         dev_info(rdev->dev, "  R_008014_GRBM_STATUS2     = 0x%08X\n",
1336                  RREG32(R_008014_GRBM_STATUS2));
1337         dev_info(rdev->dev, "  R_000E50_SRBM_STATUS      = 0x%08X\n",
1338                  RREG32(R_000E50_SRBM_STATUS));
1339         dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1340                  RREG32(CP_STALLED_STAT1));
1341         dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1342                  RREG32(CP_STALLED_STAT2));
1343         dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
1344                  RREG32(CP_BUSY_STAT));
1345         dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
1346                  RREG32(CP_STAT));
1347         dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
1348                 RREG32(DMA_STATUS_REG));
1349 }
1350
1351 static bool r600_is_display_hung(struct radeon_device *rdev)
1352 {
1353         u32 crtc_hung = 0;
1354         u32 crtc_status[2];
1355         u32 i, j, tmp;
1356
1357         for (i = 0; i < rdev->num_crtc; i++) {
1358                 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1359                         crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1360                         crtc_hung |= (1 << i);
1361                 }
1362         }
1363
1364         for (j = 0; j < 10; j++) {
1365                 for (i = 0; i < rdev->num_crtc; i++) {
1366                         if (crtc_hung & (1 << i)) {
1367                                 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1368                                 if (tmp != crtc_status[i])
1369                                         crtc_hung &= ~(1 << i);
1370                         }
1371                 }
1372                 if (crtc_hung == 0)
1373                         return false;
1374                 udelay(100);
1375         }
1376
1377         return true;
1378 }
1379
1380 static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1381 {
1382         u32 reset_mask = 0;
1383         u32 tmp;
1384
1385         /* GRBM_STATUS */
1386         tmp = RREG32(R_008010_GRBM_STATUS);
1387         if (rdev->family >= CHIP_RV770) {
1388                 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1389                     G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1390                     G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1391                     G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1392                     G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1393                         reset_mask |= RADEON_RESET_GFX;
1394         } else {
1395                 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1396                     G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1397                     G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1398                     G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1399                     G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1400                         reset_mask |= RADEON_RESET_GFX;
1401         }
1402
1403         if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1404             G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1405                 reset_mask |= RADEON_RESET_CP;
1406
1407         if (G_008010_GRBM_EE_BUSY(tmp))
1408                 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1409
1410         /* DMA_STATUS_REG */
1411         tmp = RREG32(DMA_STATUS_REG);
1412         if (!(tmp & DMA_IDLE))
1413                 reset_mask |= RADEON_RESET_DMA;
1414
1415         /* SRBM_STATUS */
1416         tmp = RREG32(R_000E50_SRBM_STATUS);
1417         if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1418                 reset_mask |= RADEON_RESET_RLC;
1419
1420         if (G_000E50_IH_BUSY(tmp))
1421                 reset_mask |= RADEON_RESET_IH;
1422
1423         if (G_000E50_SEM_BUSY(tmp))
1424                 reset_mask |= RADEON_RESET_SEM;
1425
1426         if (G_000E50_GRBM_RQ_PENDING(tmp))
1427                 reset_mask |= RADEON_RESET_GRBM;
1428
1429         if (G_000E50_VMC_BUSY(tmp))
1430                 reset_mask |= RADEON_RESET_VMC;
1431
1432         if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1433             G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1434             G_000E50_MCDW_BUSY(tmp))
1435                 reset_mask |= RADEON_RESET_MC;
1436
1437         if (r600_is_display_hung(rdev))
1438                 reset_mask |= RADEON_RESET_DISPLAY;
1439
1440         /* Skip MC reset as it's mostly likely not hung, just busy */
1441         if (reset_mask & RADEON_RESET_MC) {
1442                 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1443                 reset_mask &= ~RADEON_RESET_MC;
1444         }
1445
1446         return reset_mask;
1447 }
1448
1449 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1450 {
1451         struct rv515_mc_save save;
1452         u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1453         u32 tmp;
1454
1455         if (reset_mask == 0)
1456                 return;
1457
1458         dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1459
1460         r600_print_gpu_status_regs(rdev);
1461
1462         /* Disable CP parsing/prefetching */
1463         if (rdev->family >= CHIP_RV770)
1464                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1465         else
1466                 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1467
1468         /* disable the RLC */
1469         WREG32(RLC_CNTL, 0);
1470
1471         if (reset_mask & RADEON_RESET_DMA) {
1472                 /* Disable DMA */
1473                 tmp = RREG32(DMA_RB_CNTL);
1474                 tmp &= ~DMA_RB_ENABLE;
1475                 WREG32(DMA_RB_CNTL, tmp);
1476         }
1477
1478         mdelay(50);
1479
1480         rv515_mc_stop(rdev, &save);
1481         if (r600_mc_wait_for_idle(rdev)) {
1482                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1483         }
1484
1485         if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1486                 if (rdev->family >= CHIP_RV770)
1487                         grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
1488                                 S_008020_SOFT_RESET_CB(1) |
1489                                 S_008020_SOFT_RESET_PA(1) |
1490                                 S_008020_SOFT_RESET_SC(1) |
1491                                 S_008020_SOFT_RESET_SPI(1) |
1492                                 S_008020_SOFT_RESET_SX(1) |
1493                                 S_008020_SOFT_RESET_SH(1) |
1494                                 S_008020_SOFT_RESET_TC(1) |
1495                                 S_008020_SOFT_RESET_TA(1) |
1496                                 S_008020_SOFT_RESET_VC(1) |
1497                                 S_008020_SOFT_RESET_VGT(1);
1498                 else
1499                         grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1500                                 S_008020_SOFT_RESET_DB(1) |
1501                                 S_008020_SOFT_RESET_CB(1) |
1502                                 S_008020_SOFT_RESET_PA(1) |
1503                                 S_008020_SOFT_RESET_SC(1) |
1504                                 S_008020_SOFT_RESET_SMX(1) |
1505                                 S_008020_SOFT_RESET_SPI(1) |
1506                                 S_008020_SOFT_RESET_SX(1) |
1507                                 S_008020_SOFT_RESET_SH(1) |
1508                                 S_008020_SOFT_RESET_TC(1) |
1509                                 S_008020_SOFT_RESET_TA(1) |
1510                                 S_008020_SOFT_RESET_VC(1) |
1511                                 S_008020_SOFT_RESET_VGT(1);
1512         }
1513
1514         if (reset_mask & RADEON_RESET_CP) {
1515                 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1516                         S_008020_SOFT_RESET_VGT(1);
1517
1518                 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1519         }
1520
1521         if (reset_mask & RADEON_RESET_DMA) {
1522                 if (rdev->family >= CHIP_RV770)
1523                         srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1524                 else
1525                         srbm_soft_reset |= SOFT_RESET_DMA;
1526         }
1527
1528         if (reset_mask & RADEON_RESET_RLC)
1529                 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1530
1531         if (reset_mask & RADEON_RESET_SEM)
1532                 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1533
1534         if (reset_mask & RADEON_RESET_IH)
1535                 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1536
1537         if (reset_mask & RADEON_RESET_GRBM)
1538                 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1539
1540         if (!(rdev->flags & RADEON_IS_IGP)) {
1541                 if (reset_mask & RADEON_RESET_MC)
1542                         srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1543         }
1544
1545         if (reset_mask & RADEON_RESET_VMC)
1546                 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1547
1548         if (grbm_soft_reset) {
1549                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1550                 tmp |= grbm_soft_reset;
1551                 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1552                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1553                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1554
1555                 udelay(50);
1556
1557                 tmp &= ~grbm_soft_reset;
1558                 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1559                 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1560         }
1561
1562         if (srbm_soft_reset) {
1563                 tmp = RREG32(SRBM_SOFT_RESET);
1564                 tmp |= srbm_soft_reset;
1565                 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1566                 WREG32(SRBM_SOFT_RESET, tmp);
1567                 tmp = RREG32(SRBM_SOFT_RESET);
1568
1569                 udelay(50);
1570
1571                 tmp &= ~srbm_soft_reset;
1572                 WREG32(SRBM_SOFT_RESET, tmp);
1573                 tmp = RREG32(SRBM_SOFT_RESET);
1574         }
1575
1576         /* Wait a little for things to settle down */
1577         mdelay(1);
1578
1579         rv515_mc_resume(rdev, &save);
1580         udelay(50);
1581
1582         r600_print_gpu_status_regs(rdev);
1583 }
1584
1585 int r600_asic_reset(struct radeon_device *rdev)
1586 {
1587         u32 reset_mask;
1588
1589         reset_mask = r600_gpu_check_soft_reset(rdev);
1590
1591         if (reset_mask)
1592                 r600_set_bios_scratch_engine_hung(rdev, true);
1593
1594         r600_gpu_soft_reset(rdev, reset_mask);
1595
1596         reset_mask = r600_gpu_check_soft_reset(rdev);
1597
1598         if (!reset_mask)
1599                 r600_set_bios_scratch_engine_hung(rdev, false);
1600
1601         return 0;
1602 }
1603
1604 /**
1605  * r600_gfx_is_lockup - Check if the GFX engine is locked up
1606  *
1607  * @rdev: radeon_device pointer
1608  * @ring: radeon_ring structure holding ring information
1609  *
1610  * Check if the GFX engine is locked up.
1611  * Returns true if the engine appears to be locked up, false if not.
1612  */
1613 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1614 {
1615         u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1616
1617         if (!(reset_mask & (RADEON_RESET_GFX |
1618                             RADEON_RESET_COMPUTE |
1619                             RADEON_RESET_CP))) {
1620                 radeon_ring_lockup_update(ring);
1621                 return false;
1622         }
1623         /* force CP activities */
1624         radeon_ring_force_activity(rdev, ring);
1625         return radeon_ring_test_lockup(rdev, ring);
1626 }
1627
1628 /**
1629  * r600_dma_is_lockup - Check if the DMA engine is locked up
1630  *
1631  * @rdev: radeon_device pointer
1632  * @ring: radeon_ring structure holding ring information
1633  *
1634  * Check if the async DMA engine is locked up.
1635  * Returns true if the engine appears to be locked up, false if not.
1636  */
1637 bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1638 {
1639         u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1640
1641         if (!(reset_mask & RADEON_RESET_DMA)) {
1642                 radeon_ring_lockup_update(ring);
1643                 return false;
1644         }
1645         /* force ring activities */
1646         radeon_ring_force_activity(rdev, ring);
1647         return radeon_ring_test_lockup(rdev, ring);
1648 }
1649
1650 u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1651                               u32 tiling_pipe_num,
1652                               u32 max_rb_num,
1653                               u32 total_max_rb_num,
1654                               u32 disabled_rb_mask)
1655 {
1656         u32 rendering_pipe_num, rb_num_width, req_rb_num;
1657         u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1658         u32 data = 0, mask = 1 << (max_rb_num - 1);
1659         unsigned i, j;
1660
1661         /* mask out the RBs that don't exist on that asic */
1662         tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1663         /* make sure at least one RB is available */
1664         if ((tmp & 0xff) != 0xff)
1665                 disabled_rb_mask = tmp;
1666
1667         rendering_pipe_num = 1 << tiling_pipe_num;
1668         req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1669         BUG_ON(rendering_pipe_num < req_rb_num);
1670
1671         pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1672         pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1673
1674         if (rdev->family <= CHIP_RV740) {
1675                 /* r6xx/r7xx */
1676                 rb_num_width = 2;
1677         } else {
1678                 /* eg+ */
1679                 rb_num_width = 4;
1680         }
1681
1682         for (i = 0; i < max_rb_num; i++) {
1683                 if (!(mask & disabled_rb_mask)) {
1684                         for (j = 0; j < pipe_rb_ratio; j++) {
1685                                 data <<= rb_num_width;
1686                                 data |= max_rb_num - i - 1;
1687                         }
1688                         if (pipe_rb_remain) {
1689                                 data <<= rb_num_width;
1690                                 data |= max_rb_num - i - 1;
1691                                 pipe_rb_remain--;
1692                         }
1693                 }
1694                 mask >>= 1;
1695         }
1696
1697         return data;
1698 }
1699
1700 int r600_count_pipe_bits(uint32_t val)
1701 {
1702         return hweight32(val);
1703 }
1704
1705 static void r600_gpu_init(struct radeon_device *rdev)
1706 {
1707         u32 tiling_config;
1708         u32 ramcfg;
1709         u32 cc_rb_backend_disable;
1710         u32 cc_gc_shader_pipe_config;
1711         u32 tmp;
1712         int i, j;
1713         u32 sq_config;
1714         u32 sq_gpr_resource_mgmt_1 = 0;
1715         u32 sq_gpr_resource_mgmt_2 = 0;
1716         u32 sq_thread_resource_mgmt = 0;
1717         u32 sq_stack_resource_mgmt_1 = 0;
1718         u32 sq_stack_resource_mgmt_2 = 0;
1719         u32 disabled_rb_mask;
1720
1721         rdev->config.r600.tiling_group_size = 256;
1722         switch (rdev->family) {
1723         case CHIP_R600:
1724                 rdev->config.r600.max_pipes = 4;
1725                 rdev->config.r600.max_tile_pipes = 8;
1726                 rdev->config.r600.max_simds = 4;
1727                 rdev->config.r600.max_backends = 4;
1728                 rdev->config.r600.max_gprs = 256;
1729                 rdev->config.r600.max_threads = 192;
1730                 rdev->config.r600.max_stack_entries = 256;
1731                 rdev->config.r600.max_hw_contexts = 8;
1732                 rdev->config.r600.max_gs_threads = 16;
1733                 rdev->config.r600.sx_max_export_size = 128;
1734                 rdev->config.r600.sx_max_export_pos_size = 16;
1735                 rdev->config.r600.sx_max_export_smx_size = 128;
1736                 rdev->config.r600.sq_num_cf_insts = 2;
1737                 break;
1738         case CHIP_RV630:
1739         case CHIP_RV635:
1740                 rdev->config.r600.max_pipes = 2;
1741                 rdev->config.r600.max_tile_pipes = 2;
1742                 rdev->config.r600.max_simds = 3;
1743                 rdev->config.r600.max_backends = 1;
1744                 rdev->config.r600.max_gprs = 128;
1745                 rdev->config.r600.max_threads = 192;
1746                 rdev->config.r600.max_stack_entries = 128;
1747                 rdev->config.r600.max_hw_contexts = 8;
1748                 rdev->config.r600.max_gs_threads = 4;
1749                 rdev->config.r600.sx_max_export_size = 128;
1750                 rdev->config.r600.sx_max_export_pos_size = 16;
1751                 rdev->config.r600.sx_max_export_smx_size = 128;
1752                 rdev->config.r600.sq_num_cf_insts = 2;
1753                 break;
1754         case CHIP_RV610:
1755         case CHIP_RV620:
1756         case CHIP_RS780:
1757         case CHIP_RS880:
1758                 rdev->config.r600.max_pipes = 1;
1759                 rdev->config.r600.max_tile_pipes = 1;
1760                 rdev->config.r600.max_simds = 2;
1761                 rdev->config.r600.max_backends = 1;
1762                 rdev->config.r600.max_gprs = 128;
1763                 rdev->config.r600.max_threads = 192;
1764                 rdev->config.r600.max_stack_entries = 128;
1765                 rdev->config.r600.max_hw_contexts = 4;
1766                 rdev->config.r600.max_gs_threads = 4;
1767                 rdev->config.r600.sx_max_export_size = 128;
1768                 rdev->config.r600.sx_max_export_pos_size = 16;
1769                 rdev->config.r600.sx_max_export_smx_size = 128;
1770                 rdev->config.r600.sq_num_cf_insts = 1;
1771                 break;
1772         case CHIP_RV670:
1773                 rdev->config.r600.max_pipes = 4;
1774                 rdev->config.r600.max_tile_pipes = 4;
1775                 rdev->config.r600.max_simds = 4;
1776                 rdev->config.r600.max_backends = 4;
1777                 rdev->config.r600.max_gprs = 192;
1778                 rdev->config.r600.max_threads = 192;
1779                 rdev->config.r600.max_stack_entries = 256;
1780                 rdev->config.r600.max_hw_contexts = 8;
1781                 rdev->config.r600.max_gs_threads = 16;
1782                 rdev->config.r600.sx_max_export_size = 128;
1783                 rdev->config.r600.sx_max_export_pos_size = 16;
1784                 rdev->config.r600.sx_max_export_smx_size = 128;
1785                 rdev->config.r600.sq_num_cf_insts = 2;
1786                 break;
1787         default:
1788                 break;
1789         }
1790
1791         /* Initialize HDP */
1792         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1793                 WREG32((0x2c14 + j), 0x00000000);
1794                 WREG32((0x2c18 + j), 0x00000000);
1795                 WREG32((0x2c1c + j), 0x00000000);
1796                 WREG32((0x2c20 + j), 0x00000000);
1797                 WREG32((0x2c24 + j), 0x00000000);
1798         }
1799
1800         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1801
1802         /* Setup tiling */
1803         tiling_config = 0;
1804         ramcfg = RREG32(RAMCFG);
1805         switch (rdev->config.r600.max_tile_pipes) {
1806         case 1:
1807                 tiling_config |= PIPE_TILING(0);
1808                 break;
1809         case 2:
1810                 tiling_config |= PIPE_TILING(1);
1811                 break;
1812         case 4:
1813                 tiling_config |= PIPE_TILING(2);
1814                 break;
1815         case 8:
1816                 tiling_config |= PIPE_TILING(3);
1817                 break;
1818         default:
1819                 break;
1820         }
1821         rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1822         rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1823         tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1824         tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1825
1826         tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1827         if (tmp > 3) {
1828                 tiling_config |= ROW_TILING(3);
1829                 tiling_config |= SAMPLE_SPLIT(3);
1830         } else {
1831                 tiling_config |= ROW_TILING(tmp);
1832                 tiling_config |= SAMPLE_SPLIT(tmp);
1833         }
1834         tiling_config |= BANK_SWAPS(1);
1835
1836         cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1837         tmp = R6XX_MAX_BACKENDS -
1838                 r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK);
1839         if (tmp < rdev->config.r600.max_backends) {
1840                 rdev->config.r600.max_backends = tmp;
1841         }
1842
1843         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
1844         tmp = R6XX_MAX_PIPES -
1845                 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK);
1846         if (tmp < rdev->config.r600.max_pipes) {
1847                 rdev->config.r600.max_pipes = tmp;
1848         }
1849         tmp = R6XX_MAX_SIMDS -
1850                 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
1851         if (tmp < rdev->config.r600.max_simds) {
1852                 rdev->config.r600.max_simds = tmp;
1853         }
1854
1855         disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
1856         tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1857         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
1858                                         R6XX_MAX_BACKENDS, disabled_rb_mask);
1859         tiling_config |= tmp << 16;
1860         rdev->config.r600.backend_map = tmp;
1861
1862         rdev->config.r600.tile_config = tiling_config;
1863         WREG32(GB_TILING_CONFIG, tiling_config);
1864         WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1865         WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1866         WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
1867
1868         tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1869         WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1870         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1871
1872         /* Setup some CP states */
1873         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1874         WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1875
1876         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1877                              SYNC_WALKER | SYNC_ALIGNER));
1878         /* Setup various GPU states */
1879         if (rdev->family == CHIP_RV670)
1880                 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1881
1882         tmp = RREG32(SX_DEBUG_1);
1883         tmp |= SMX_EVENT_RELEASE;
1884         if ((rdev->family > CHIP_R600))
1885                 tmp |= ENABLE_NEW_SMX_ADDRESS;
1886         WREG32(SX_DEBUG_1, tmp);
1887
1888         if (((rdev->family) == CHIP_R600) ||
1889             ((rdev->family) == CHIP_RV630) ||
1890             ((rdev->family) == CHIP_RV610) ||
1891             ((rdev->family) == CHIP_RV620) ||
1892             ((rdev->family) == CHIP_RS780) ||
1893             ((rdev->family) == CHIP_RS880)) {
1894                 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1895         } else {
1896                 WREG32(DB_DEBUG, 0);
1897         }
1898         WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1899                                DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1900
1901         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1902         WREG32(VGT_NUM_INSTANCES, 0);
1903
1904         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1905         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1906
1907         tmp = RREG32(SQ_MS_FIFO_SIZES);
1908         if (((rdev->family) == CHIP_RV610) ||
1909             ((rdev->family) == CHIP_RV620) ||
1910             ((rdev->family) == CHIP_RS780) ||
1911             ((rdev->family) == CHIP_RS880)) {
1912                 tmp = (CACHE_FIFO_SIZE(0xa) |
1913                        FETCH_FIFO_HIWATER(0xa) |
1914                        DONE_FIFO_HIWATER(0xe0) |
1915                        ALU_UPDATE_FIFO_HIWATER(0x8));
1916         } else if (((rdev->family) == CHIP_R600) ||
1917                    ((rdev->family) == CHIP_RV630)) {
1918                 tmp &= ~DONE_FIFO_HIWATER(0xff);
1919                 tmp |= DONE_FIFO_HIWATER(0x4);
1920         }
1921         WREG32(SQ_MS_FIFO_SIZES, tmp);
1922
1923         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1924          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
1925          */
1926         sq_config = RREG32(SQ_CONFIG);
1927         sq_config &= ~(PS_PRIO(3) |
1928                        VS_PRIO(3) |
1929                        GS_PRIO(3) |
1930                        ES_PRIO(3));
1931         sq_config |= (DX9_CONSTS |
1932                       VC_ENABLE |
1933                       PS_PRIO(0) |
1934                       VS_PRIO(1) |
1935                       GS_PRIO(2) |
1936                       ES_PRIO(3));
1937
1938         if ((rdev->family) == CHIP_R600) {
1939                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1940                                           NUM_VS_GPRS(124) |
1941                                           NUM_CLAUSE_TEMP_GPRS(4));
1942                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1943                                           NUM_ES_GPRS(0));
1944                 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1945                                            NUM_VS_THREADS(48) |
1946                                            NUM_GS_THREADS(4) |
1947                                            NUM_ES_THREADS(4));
1948                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1949                                             NUM_VS_STACK_ENTRIES(128));
1950                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1951                                             NUM_ES_STACK_ENTRIES(0));
1952         } else if (((rdev->family) == CHIP_RV610) ||
1953                    ((rdev->family) == CHIP_RV620) ||
1954                    ((rdev->family) == CHIP_RS780) ||
1955                    ((rdev->family) == CHIP_RS880)) {
1956                 /* no vertex cache */
1957                 sq_config &= ~VC_ENABLE;
1958
1959                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1960                                           NUM_VS_GPRS(44) |
1961                                           NUM_CLAUSE_TEMP_GPRS(2));
1962                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1963                                           NUM_ES_GPRS(17));
1964                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1965                                            NUM_VS_THREADS(78) |
1966                                            NUM_GS_THREADS(4) |
1967                                            NUM_ES_THREADS(31));
1968                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1969                                             NUM_VS_STACK_ENTRIES(40));
1970                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1971                                             NUM_ES_STACK_ENTRIES(16));
1972         } else if (((rdev->family) == CHIP_RV630) ||
1973                    ((rdev->family) == CHIP_RV635)) {
1974                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1975                                           NUM_VS_GPRS(44) |
1976                                           NUM_CLAUSE_TEMP_GPRS(2));
1977                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1978                                           NUM_ES_GPRS(18));
1979                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1980                                            NUM_VS_THREADS(78) |
1981                                            NUM_GS_THREADS(4) |
1982                                            NUM_ES_THREADS(31));
1983                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1984                                             NUM_VS_STACK_ENTRIES(40));
1985                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1986                                             NUM_ES_STACK_ENTRIES(16));
1987         } else if ((rdev->family) == CHIP_RV670) {
1988                 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1989                                           NUM_VS_GPRS(44) |
1990                                           NUM_CLAUSE_TEMP_GPRS(2));
1991                 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1992                                           NUM_ES_GPRS(17));
1993                 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1994                                            NUM_VS_THREADS(78) |
1995                                            NUM_GS_THREADS(4) |
1996                                            NUM_ES_THREADS(31));
1997                 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1998                                             NUM_VS_STACK_ENTRIES(64));
1999                 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
2000                                             NUM_ES_STACK_ENTRIES(64));
2001         }
2002
2003         WREG32(SQ_CONFIG, sq_config);
2004         WREG32(SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
2005         WREG32(SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
2006         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2007         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2008         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2009
2010         if (((rdev->family) == CHIP_RV610) ||
2011             ((rdev->family) == CHIP_RV620) ||
2012             ((rdev->family) == CHIP_RS780) ||
2013             ((rdev->family) == CHIP_RS880)) {
2014                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2015         } else {
2016                 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2017         }
2018
2019         /* More default values. 2D/3D driver should adjust as needed */
2020         WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2021                                          S1_X(0x4) | S1_Y(0xc)));
2022         WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2023                                          S1_X(0x2) | S1_Y(0x2) |
2024                                          S2_X(0xa) | S2_Y(0x6) |
2025                                          S3_X(0x6) | S3_Y(0xa)));
2026         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2027                                              S1_X(0x4) | S1_Y(0xc) |
2028                                              S2_X(0x1) | S2_Y(0x6) |
2029                                              S3_X(0xa) | S3_Y(0xe)));
2030         WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2031                                              S5_X(0x0) | S5_Y(0x0) |
2032                                              S6_X(0xb) | S6_Y(0x4) |
2033                                              S7_X(0x7) | S7_Y(0x8)));
2034
2035         WREG32(VGT_STRMOUT_EN, 0);
2036         tmp = rdev->config.r600.max_pipes * 16;
2037         switch (rdev->family) {
2038         case CHIP_RV610:
2039         case CHIP_RV620:
2040         case CHIP_RS780:
2041         case CHIP_RS880:
2042                 tmp += 32;
2043                 break;
2044         case CHIP_RV670:
2045                 tmp += 128;
2046                 break;
2047         default:
2048                 break;
2049         }
2050         if (tmp > 256) {
2051                 tmp = 256;
2052         }
2053         WREG32(VGT_ES_PER_GS, 128);
2054         WREG32(VGT_GS_PER_ES, tmp);
2055         WREG32(VGT_GS_PER_VS, 2);
2056         WREG32(VGT_GS_VERTEX_REUSE, 16);
2057
2058         /* more default values. 2D/3D driver should adjust as needed */
2059         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2060         WREG32(VGT_STRMOUT_EN, 0);
2061         WREG32(SX_MISC, 0);
2062         WREG32(PA_SC_MODE_CNTL, 0);
2063         WREG32(PA_SC_AA_CONFIG, 0);
2064         WREG32(PA_SC_LINE_STIPPLE, 0);
2065         WREG32(SPI_INPUT_Z, 0);
2066         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2067         WREG32(CB_COLOR7_FRAG, 0);
2068
2069         /* Clear render buffer base addresses */
2070         WREG32(CB_COLOR0_BASE, 0);
2071         WREG32(CB_COLOR1_BASE, 0);
2072         WREG32(CB_COLOR2_BASE, 0);
2073         WREG32(CB_COLOR3_BASE, 0);
2074         WREG32(CB_COLOR4_BASE, 0);
2075         WREG32(CB_COLOR5_BASE, 0);
2076         WREG32(CB_COLOR6_BASE, 0);
2077         WREG32(CB_COLOR7_BASE, 0);
2078         WREG32(CB_COLOR7_FRAG, 0);
2079
2080         switch (rdev->family) {
2081         case CHIP_RV610:
2082         case CHIP_RV620:
2083         case CHIP_RS780:
2084         case CHIP_RS880:
2085                 tmp = TC_L2_SIZE(8);
2086                 break;
2087         case CHIP_RV630:
2088         case CHIP_RV635:
2089                 tmp = TC_L2_SIZE(4);
2090                 break;
2091         case CHIP_R600:
2092                 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2093                 break;
2094         default:
2095                 tmp = TC_L2_SIZE(0);
2096                 break;
2097         }
2098         WREG32(TC_CNTL, tmp);
2099
2100         tmp = RREG32(HDP_HOST_PATH_CNTL);
2101         WREG32(HDP_HOST_PATH_CNTL, tmp);
2102
2103         tmp = RREG32(ARB_POP);
2104         tmp |= ENABLE_TC128;
2105         WREG32(ARB_POP, tmp);
2106
2107         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2108         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2109                                NUM_CLIP_SEQ(3)));
2110         WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2111         WREG32(VC_ENHANCE, 0);
2112 }
2113
2114
2115 /*
2116  * Indirect registers accessor
2117  */
2118 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2119 {
2120         u32 r;
2121
2122         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2123         (void)RREG32(PCIE_PORT_INDEX);
2124         r = RREG32(PCIE_PORT_DATA);
2125         return r;
2126 }
2127
2128 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2129 {
2130         WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2131         (void)RREG32(PCIE_PORT_INDEX);
2132         WREG32(PCIE_PORT_DATA, (v));
2133         (void)RREG32(PCIE_PORT_DATA);
2134 }
2135
2136 /*
2137  * CP & Ring
2138  */
2139 void r600_cp_stop(struct radeon_device *rdev)
2140 {
2141         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2142         WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2143         WREG32(SCRATCH_UMSK, 0);
2144         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2145 }
2146
2147 int r600_init_microcode(struct radeon_device *rdev)
2148 {
2149         struct platform_device *pdev;
2150         const char *chip_name;
2151         const char *rlc_chip_name;
2152         size_t pfp_req_size, me_req_size, rlc_req_size;
2153         char fw_name[30];
2154         int err;
2155
2156         DRM_DEBUG("\n");
2157
2158         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
2159         err = IS_ERR(pdev);
2160         if (err) {
2161                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
2162                 return -EINVAL;
2163         }
2164
2165         switch (rdev->family) {
2166         case CHIP_R600:
2167                 chip_name = "R600";
2168                 rlc_chip_name = "R600";
2169                 break;
2170         case CHIP_RV610:
2171                 chip_name = "RV610";
2172                 rlc_chip_name = "R600";
2173                 break;
2174         case CHIP_RV630:
2175                 chip_name = "RV630";
2176                 rlc_chip_name = "R600";
2177                 break;
2178         case CHIP_RV620:
2179                 chip_name = "RV620";
2180                 rlc_chip_name = "R600";
2181                 break;
2182         case CHIP_RV635:
2183                 chip_name = "RV635";
2184                 rlc_chip_name = "R600";
2185                 break;
2186         case CHIP_RV670:
2187                 chip_name = "RV670";
2188                 rlc_chip_name = "R600";
2189                 break;
2190         case CHIP_RS780:
2191         case CHIP_RS880:
2192                 chip_name = "RS780";
2193                 rlc_chip_name = "R600";
2194                 break;
2195         case CHIP_RV770:
2196                 chip_name = "RV770";
2197                 rlc_chip_name = "R700";
2198                 break;
2199         case CHIP_RV730:
2200         case CHIP_RV740:
2201                 chip_name = "RV730";
2202                 rlc_chip_name = "R700";
2203                 break;
2204         case CHIP_RV710:
2205                 chip_name = "RV710";
2206                 rlc_chip_name = "R700";
2207                 break;
2208         case CHIP_CEDAR:
2209                 chip_name = "CEDAR";
2210                 rlc_chip_name = "CEDAR";
2211                 break;
2212         case CHIP_REDWOOD:
2213                 chip_name = "REDWOOD";
2214                 rlc_chip_name = "REDWOOD";
2215                 break;
2216         case CHIP_JUNIPER:
2217                 chip_name = "JUNIPER";
2218                 rlc_chip_name = "JUNIPER";
2219                 break;
2220         case CHIP_CYPRESS:
2221         case CHIP_HEMLOCK:
2222                 chip_name = "CYPRESS";
2223                 rlc_chip_name = "CYPRESS";
2224                 break;
2225         case CHIP_PALM:
2226                 chip_name = "PALM";
2227                 rlc_chip_name = "SUMO";
2228                 break;
2229         case CHIP_SUMO:
2230                 chip_name = "SUMO";
2231                 rlc_chip_name = "SUMO";
2232                 break;
2233         case CHIP_SUMO2:
2234                 chip_name = "SUMO2";
2235                 rlc_chip_name = "SUMO";
2236                 break;
2237         default: BUG();
2238         }
2239
2240         if (rdev->family >= CHIP_CEDAR) {
2241                 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2242                 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2243                 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2244         } else if (rdev->family >= CHIP_RV770) {
2245                 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2246                 me_req_size = R700_PM4_UCODE_SIZE * 4;
2247                 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2248         } else {
2249                 pfp_req_size = PFP_UCODE_SIZE * 4;
2250                 me_req_size = PM4_UCODE_SIZE * 12;
2251                 rlc_req_size = RLC_UCODE_SIZE * 4;
2252         }
2253
2254         DRM_INFO("Loading %s Microcode\n", chip_name);
2255
2256         snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2257         err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev);
2258         if (err)
2259                 goto out;
2260         if (rdev->pfp_fw->size != pfp_req_size) {
2261                 printk(KERN_ERR
2262                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2263                        rdev->pfp_fw->size, fw_name);
2264                 err = -EINVAL;
2265                 goto out;
2266         }
2267
2268         snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2269         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
2270         if (err)
2271                 goto out;
2272         if (rdev->me_fw->size != me_req_size) {
2273                 printk(KERN_ERR
2274                        "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2275                        rdev->me_fw->size, fw_name);
2276                 err = -EINVAL;
2277         }
2278
2279         snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2280         err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
2281         if (err)
2282                 goto out;
2283         if (rdev->rlc_fw->size != rlc_req_size) {
2284                 printk(KERN_ERR
2285                        "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2286                        rdev->rlc_fw->size, fw_name);
2287                 err = -EINVAL;
2288         }
2289
2290 out:
2291         platform_device_unregister(pdev);
2292
2293         if (err) {
2294                 if (err != -EINVAL)
2295                         printk(KERN_ERR
2296                                "r600_cp: Failed to load firmware \"%s\"\n",
2297                                fw_name);
2298                 release_firmware(rdev->pfp_fw);
2299                 rdev->pfp_fw = NULL;
2300                 release_firmware(rdev->me_fw);
2301                 rdev->me_fw = NULL;
2302                 release_firmware(rdev->rlc_fw);
2303                 rdev->rlc_fw = NULL;
2304         }
2305         return err;
2306 }
2307
2308 static int r600_cp_load_microcode(struct radeon_device *rdev)
2309 {
2310         const __be32 *fw_data;
2311         int i;
2312
2313         if (!rdev->me_fw || !rdev->pfp_fw)
2314                 return -EINVAL;
2315
2316         r600_cp_stop(rdev);
2317
2318         WREG32(CP_RB_CNTL,
2319 #ifdef __BIG_ENDIAN
2320                BUF_SWAP_32BIT |
2321 #endif
2322                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2323
2324         /* Reset cp */
2325         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2326         RREG32(GRBM_SOFT_RESET);
2327         mdelay(15);
2328         WREG32(GRBM_SOFT_RESET, 0);
2329
2330         WREG32(CP_ME_RAM_WADDR, 0);
2331
2332         fw_data = (const __be32 *)rdev->me_fw->data;
2333         WREG32(CP_ME_RAM_WADDR, 0);
2334         for (i = 0; i < PM4_UCODE_SIZE * 3; i++)
2335                 WREG32(CP_ME_RAM_DATA,
2336                        be32_to_cpup(fw_data++));
2337
2338         fw_data = (const __be32 *)rdev->pfp_fw->data;
2339         WREG32(CP_PFP_UCODE_ADDR, 0);
2340         for (i = 0; i < PFP_UCODE_SIZE; i++)
2341                 WREG32(CP_PFP_UCODE_DATA,
2342                        be32_to_cpup(fw_data++));
2343
2344         WREG32(CP_PFP_UCODE_ADDR, 0);
2345         WREG32(CP_ME_RAM_WADDR, 0);
2346         WREG32(CP_ME_RAM_RADDR, 0);
2347         return 0;
2348 }
2349
2350 int r600_cp_start(struct radeon_device *rdev)
2351 {
2352         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2353         int r;
2354         uint32_t cp_me;
2355
2356         r = radeon_ring_lock(rdev, ring, 7);
2357         if (r) {
2358                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2359                 return r;
2360         }
2361         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2362         radeon_ring_write(ring, 0x1);
2363         if (rdev->family >= CHIP_RV770) {
2364                 radeon_ring_write(ring, 0x0);
2365                 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2366         } else {
2367                 radeon_ring_write(ring, 0x3);
2368                 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2369         }
2370         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2371         radeon_ring_write(ring, 0);
2372         radeon_ring_write(ring, 0);
2373         radeon_ring_unlock_commit(rdev, ring);
2374
2375         cp_me = 0xff;
2376         WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2377         return 0;
2378 }
2379
2380 int r600_cp_resume(struct radeon_device *rdev)
2381 {
2382         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2383         u32 tmp;
2384         u32 rb_bufsz;
2385         int r;
2386
2387         /* Reset cp */
2388         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2389         RREG32(GRBM_SOFT_RESET);
2390         mdelay(15);
2391         WREG32(GRBM_SOFT_RESET, 0);
2392
2393         /* Set ring buffer size */
2394         rb_bufsz = drm_order(ring->ring_size / 8);
2395         tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2396 #ifdef __BIG_ENDIAN
2397         tmp |= BUF_SWAP_32BIT;
2398 #endif
2399         WREG32(CP_RB_CNTL, tmp);
2400         WREG32(CP_SEM_WAIT_TIMER, 0x0);
2401
2402         /* Set the write pointer delay */
2403         WREG32(CP_RB_WPTR_DELAY, 0);
2404
2405         /* Initialize the ring buffer's read and write pointers */
2406         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2407         WREG32(CP_RB_RPTR_WR, 0);
2408         ring->wptr = 0;
2409         WREG32(CP_RB_WPTR, ring->wptr);
2410
2411         /* set the wb address whether it's enabled or not */
2412         WREG32(CP_RB_RPTR_ADDR,
2413                ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2414         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2415         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2416
2417         if (rdev->wb.enabled)
2418                 WREG32(SCRATCH_UMSK, 0xff);
2419         else {
2420                 tmp |= RB_NO_UPDATE;
2421                 WREG32(SCRATCH_UMSK, 0);
2422         }
2423
2424         mdelay(1);
2425         WREG32(CP_RB_CNTL, tmp);
2426
2427         WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2428         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2429
2430         ring->rptr = RREG32(CP_RB_RPTR);
2431
2432         r600_cp_start(rdev);
2433         ring->ready = true;
2434         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2435         if (r) {
2436                 ring->ready = false;
2437                 return r;
2438         }
2439         return 0;
2440 }
2441
2442 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2443 {
2444         u32 rb_bufsz;
2445         int r;
2446
2447         /* Align ring size */
2448         rb_bufsz = drm_order(ring_size / 8);
2449         ring_size = (1 << (rb_bufsz + 1)) * 4;
2450         ring->ring_size = ring_size;
2451         ring->align_mask = 16 - 1;
2452
2453         if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2454                 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2455                 if (r) {
2456                         DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2457                         ring->rptr_save_reg = 0;
2458                 }
2459         }
2460 }
2461
2462 void r600_cp_fini(struct radeon_device *rdev)
2463 {
2464         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2465         r600_cp_stop(rdev);
2466         radeon_ring_fini(rdev, ring);
2467         radeon_scratch_free(rdev, ring->rptr_save_reg);
2468 }
2469
2470 /*
2471  * DMA
2472  * Starting with R600, the GPU has an asynchronous
2473  * DMA engine.  The programming model is very similar
2474  * to the 3D engine (ring buffer, IBs, etc.), but the
2475  * DMA controller has it's own packet format that is
2476  * different form the PM4 format used by the 3D engine.
2477  * It supports copying data, writing embedded data,
2478  * solid fills, and a number of other things.  It also
2479  * has support for tiling/detiling of buffers.
2480  */
2481 /**
2482  * r600_dma_stop - stop the async dma engine
2483  *
2484  * @rdev: radeon_device pointer
2485  *
2486  * Stop the async dma engine (r6xx-evergreen).
2487  */
2488 void r600_dma_stop(struct radeon_device *rdev)
2489 {
2490         u32 rb_cntl = RREG32(DMA_RB_CNTL);
2491
2492         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2493
2494         rb_cntl &= ~DMA_RB_ENABLE;
2495         WREG32(DMA_RB_CNTL, rb_cntl);
2496
2497         rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
2498 }
2499
2500 /**
2501  * r600_dma_resume - setup and start the async dma engine
2502  *
2503  * @rdev: radeon_device pointer
2504  *
2505  * Set up the DMA ring buffer and enable it. (r6xx-evergreen).
2506  * Returns 0 for success, error for failure.
2507  */
2508 int r600_dma_resume(struct radeon_device *rdev)
2509 {
2510         struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2511         u32 rb_cntl, dma_cntl, ib_cntl;
2512         u32 rb_bufsz;
2513         int r;
2514
2515         /* Reset dma */
2516         if (rdev->family >= CHIP_RV770)
2517                 WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA);
2518         else
2519                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
2520         RREG32(SRBM_SOFT_RESET);
2521         udelay(50);
2522         WREG32(SRBM_SOFT_RESET, 0);
2523
2524         WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL, 0);
2525         WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
2526
2527         /* Set ring buffer size in dwords */
2528         rb_bufsz = drm_order(ring->ring_size / 4);
2529         rb_cntl = rb_bufsz << 1;
2530 #ifdef __BIG_ENDIAN
2531         rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;
2532 #endif
2533         WREG32(DMA_RB_CNTL, rb_cntl);
2534
2535         /* Initialize the ring buffer's read and write pointers */
2536         WREG32(DMA_RB_RPTR, 0);
2537         WREG32(DMA_RB_WPTR, 0);
2538
2539         /* set the wb address whether it's enabled or not */
2540         WREG32(DMA_RB_RPTR_ADDR_HI,
2541                upper_32_bits(rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFF);
2542         WREG32(DMA_RB_RPTR_ADDR_LO,
2543                ((rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFFFFFFFC));
2544
2545         if (rdev->wb.enabled)
2546                 rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE;
2547
2548         WREG32(DMA_RB_BASE, ring->gpu_addr >> 8);
2549
2550         /* enable DMA IBs */
2551         ib_cntl = DMA_IB_ENABLE;
2552 #ifdef __BIG_ENDIAN
2553         ib_cntl |= DMA_IB_SWAP_ENABLE;
2554 #endif
2555         WREG32(DMA_IB_CNTL, ib_cntl);
2556
2557         dma_cntl = RREG32(DMA_CNTL);
2558         dma_cntl &= ~CTXEMPTY_INT_ENABLE;
2559         WREG32(DMA_CNTL, dma_cntl);
2560
2561         if (rdev->family >= CHIP_RV770)
2562                 WREG32(DMA_MODE, 1);
2563
2564         ring->wptr = 0;
2565         WREG32(DMA_RB_WPTR, ring->wptr << 2);
2566
2567         ring->rptr = RREG32(DMA_RB_RPTR) >> 2;
2568
2569         WREG32(DMA_RB_CNTL, rb_cntl | DMA_RB_ENABLE);
2570
2571         ring->ready = true;
2572
2573         r = radeon_ring_test(rdev, R600_RING_TYPE_DMA_INDEX, ring);
2574         if (r) {
2575                 ring->ready = false;
2576                 return r;
2577         }
2578
2579         radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2580
2581         return 0;
2582 }
2583
2584 /**
2585  * r600_dma_fini - tear down the async dma engine
2586  *
2587  * @rdev: radeon_device pointer
2588  *
2589  * Stop the async dma engine and free the ring (r6xx-evergreen).
2590  */
2591 void r600_dma_fini(struct radeon_device *rdev)
2592 {
2593         r600_dma_stop(rdev);
2594         radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);
2595 }
2596
2597 /*
2598  * UVD
2599  */
2600 int r600_uvd_rbc_start(struct radeon_device *rdev)
2601 {
2602         struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2603         uint64_t rptr_addr;
2604         uint32_t rb_bufsz, tmp;
2605         int r;
2606
2607         rptr_addr = rdev->wb.gpu_addr + R600_WB_UVD_RPTR_OFFSET;
2608
2609         if (upper_32_bits(rptr_addr) != upper_32_bits(ring->gpu_addr)) {
2610                 DRM_ERROR("UVD ring and rptr not in the same 4GB segment!\n");
2611                 return -EINVAL;
2612         }
2613
2614         /* force RBC into idle state */
2615         WREG32(UVD_RBC_RB_CNTL, 0x11010101);
2616
2617         /* Set the write pointer delay */
2618         WREG32(UVD_RBC_RB_WPTR_CNTL, 0);
2619
2620         /* set the wb address */
2621         WREG32(UVD_RBC_RB_RPTR_ADDR, rptr_addr >> 2);
2622
2623         /* programm the 4GB memory segment for rptr and ring buffer */
2624         WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(rptr_addr) |
2625                                    (0x7 << 16) | (0x1 << 31));
2626
2627         /* Initialize the ring buffer's read and write pointers */
2628         WREG32(UVD_RBC_RB_RPTR, 0x0);
2629
2630         ring->wptr = ring->rptr = RREG32(UVD_RBC_RB_RPTR);
2631         WREG32(UVD_RBC_RB_WPTR, ring->wptr);
2632
2633         /* set the ring address */
2634         WREG32(UVD_RBC_RB_BASE, ring->gpu_addr);
2635
2636         /* Set ring buffer size */
2637         rb_bufsz = drm_order(ring->ring_size);
2638         rb_bufsz = (0x1 << 8) | rb_bufsz;
2639         WREG32(UVD_RBC_RB_CNTL, rb_bufsz);
2640
2641         ring->ready = true;
2642         r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring);
2643         if (r) {
2644                 ring->ready = false;
2645                 return r;
2646         }
2647
2648         r = radeon_ring_lock(rdev, ring, 10);
2649         if (r) {
2650                 DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r);
2651                 return r;
2652         }
2653
2654         tmp = PACKET0(UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
2655         radeon_ring_write(ring, tmp);
2656         radeon_ring_write(ring, 0xFFFFF);
2657
2658         tmp = PACKET0(UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
2659         radeon_ring_write(ring, tmp);
2660         radeon_ring_write(ring, 0xFFFFF);
2661
2662         tmp = PACKET0(UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
2663         radeon_ring_write(ring, tmp);
2664         radeon_ring_write(ring, 0xFFFFF);
2665
2666         /* Clear timeout status bits */
2667         radeon_ring_write(ring, PACKET0(UVD_SEMA_TIMEOUT_STATUS, 0));
2668         radeon_ring_write(ring, 0x8);
2669
2670         radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0));
2671         radeon_ring_write(ring, 3);
2672
2673         radeon_ring_unlock_commit(rdev, ring);
2674
2675         return 0;
2676 }
2677
2678 void r600_uvd_rbc_stop(struct radeon_device *rdev)
2679 {
2680         struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2681
2682         /* force RBC into idle state */
2683         WREG32(UVD_RBC_RB_CNTL, 0x11010101);
2684         ring->ready = false;
2685 }
2686
2687 int r600_uvd_init(struct radeon_device *rdev)
2688 {
2689         int i, j, r;
2690         /* disable byte swapping */
2691         u32 lmi_swap_cntl = 0;
2692         u32 mp_swap_cntl = 0;
2693
2694         /* raise clocks while booting up the VCPU */
2695         radeon_set_uvd_clocks(rdev, 53300, 40000);
2696
2697         /* disable clock gating */
2698         WREG32(UVD_CGC_GATE, 0);
2699
2700         /* disable interupt */
2701         WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1));
2702
2703         /* put LMI, VCPU, RBC etc... into reset */
2704         WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET |
2705                LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET |
2706                CXW_SOFT_RESET | TAP_SOFT_RESET | LMI_UMC_SOFT_RESET);
2707         mdelay(5);
2708
2709         /* take UVD block out of reset */
2710         WREG32_P(SRBM_SOFT_RESET, 0, ~SOFT_RESET_UVD);
2711         mdelay(5);
2712
2713         /* initialize UVD memory controller */
2714         WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
2715                              (1 << 21) | (1 << 9) | (1 << 20));
2716
2717 #ifdef __BIG_ENDIAN
2718         /* swap (8 in 32) RB and IB */
2719         lmi_swap_cntl = 0xa;
2720         mp_swap_cntl = 0;
2721 #endif
2722         WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl);
2723         WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl);
2724
2725         WREG32(UVD_MPC_SET_MUXA0, 0x40c2040);
2726         WREG32(UVD_MPC_SET_MUXA1, 0x0);
2727         WREG32(UVD_MPC_SET_MUXB0, 0x40c2040);
2728         WREG32(UVD_MPC_SET_MUXB1, 0x0);
2729         WREG32(UVD_MPC_SET_ALU, 0);
2730         WREG32(UVD_MPC_SET_MUX, 0x88);
2731
2732         /* Stall UMC */
2733         WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
2734         WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
2735
2736         /* take all subblocks out of reset, except VCPU */
2737         WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
2738         mdelay(5);
2739
2740         /* enable VCPU clock */
2741         WREG32(UVD_VCPU_CNTL,  1 << 9);
2742
2743         /* enable UMC */
2744         WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
2745
2746         /* boot up the VCPU */
2747         WREG32(UVD_SOFT_RESET, 0);
2748         mdelay(10);
2749
2750         WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
2751
2752         for (i = 0; i < 10; ++i) {
2753                 uint32_t status;
2754                 for (j = 0; j < 100; ++j) {
2755                         status = RREG32(UVD_STATUS);
2756                         if (status & 2)
2757                                 break;
2758                         mdelay(10);
2759                 }
2760                 r = 0;
2761                 if (status & 2)
2762                         break;
2763
2764                 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
2765                 WREG32_P(UVD_SOFT_RESET, VCPU_SOFT_RESET, ~VCPU_SOFT_RESET);
2766                 mdelay(10);
2767                 WREG32_P(UVD_SOFT_RESET, 0, ~VCPU_SOFT_RESET);
2768                 mdelay(10);
2769                 r = -1;
2770         }
2771
2772         if (r) {
2773                 DRM_ERROR("UVD not responding, giving up!!!\n");
2774                 radeon_set_uvd_clocks(rdev, 0, 0);
2775                 return r;
2776         }
2777
2778         /* enable interupt */
2779         WREG32_P(UVD_MASTINT_EN, 3<<1, ~(3 << 1));
2780
2781         r = r600_uvd_rbc_start(rdev);
2782         if (!r)
2783                 DRM_INFO("UVD initialized successfully.\n");
2784
2785         /* lower clocks again */
2786         radeon_set_uvd_clocks(rdev, 0, 0);
2787
2788         return r;
2789 }
2790
2791 /*
2792  * GPU scratch registers helpers function.
2793  */
2794 void r600_scratch_init(struct radeon_device *rdev)
2795 {
2796         int i;
2797
2798         rdev->scratch.num_reg = 7;
2799         rdev->scratch.reg_base = SCRATCH_REG0;
2800         for (i = 0; i < rdev->scratch.num_reg; i++) {
2801                 rdev->scratch.free[i] = true;
2802                 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2803         }
2804 }
2805
2806 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2807 {
2808         uint32_t scratch;
2809         uint32_t tmp = 0;
2810         unsigned i;
2811         int r;
2812
2813         r = radeon_scratch_get(rdev, &scratch);
2814         if (r) {
2815                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2816                 return r;
2817         }
2818         WREG32(scratch, 0xCAFEDEAD);
2819         r = radeon_ring_lock(rdev, ring, 3);
2820         if (r) {
2821                 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2822                 radeon_scratch_free(rdev, scratch);
2823                 return r;
2824         }
2825         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2826         radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2827         radeon_ring_write(ring, 0xDEADBEEF);
2828         radeon_ring_unlock_commit(rdev, ring);
2829         for (i = 0; i < rdev->usec_timeout; i++) {
2830                 tmp = RREG32(scratch);
2831                 if (tmp == 0xDEADBEEF)
2832                         break;
2833                 DRM_UDELAY(1);
2834         }
2835         if (i < rdev->usec_timeout) {
2836                 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2837         } else {
2838                 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2839                           ring->idx, scratch, tmp);
2840                 r = -EINVAL;
2841         }
2842         radeon_scratch_free(rdev, scratch);
2843         return r;
2844 }
2845
2846 /**
2847  * r600_dma_ring_test - simple async dma engine test
2848  *
2849  * @rdev: radeon_device pointer
2850  * @ring: radeon_ring structure holding ring information
2851  *
2852  * Test the DMA engine by writing using it to write an
2853  * value to memory. (r6xx-SI).
2854  * Returns 0 for success, error for failure.
2855  */
2856 int r600_dma_ring_test(struct radeon_device *rdev,
2857                        struct radeon_ring *ring)
2858 {
2859         unsigned i;
2860         int r;
2861         void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
2862         u32 tmp;
2863
2864         if (!ptr) {
2865                 DRM_ERROR("invalid vram scratch pointer\n");
2866                 return -EINVAL;
2867         }
2868
2869         tmp = 0xCAFEDEAD;
2870         writel(tmp, ptr);
2871
2872         r = radeon_ring_lock(rdev, ring, 4);
2873         if (r) {
2874                 DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r);
2875                 return r;
2876         }
2877         radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
2878         radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
2879         radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff);
2880         radeon_ring_write(ring, 0xDEADBEEF);
2881         radeon_ring_unlock_commit(rdev, ring);
2882
2883         for (i = 0; i < rdev->usec_timeout; i++) {
2884                 tmp = readl(ptr);
2885                 if (tmp == 0xDEADBEEF)
2886                         break;
2887                 DRM_UDELAY(1);
2888         }
2889
2890         if (i < rdev->usec_timeout) {
2891                 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2892         } else {
2893                 DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
2894                           ring->idx, tmp);
2895                 r = -EINVAL;
2896         }
2897         return r;
2898 }
2899
2900 int r600_uvd_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2901 {
2902         uint32_t tmp = 0;
2903         unsigned i;
2904         int r;
2905
2906         WREG32(UVD_CONTEXT_ID, 0xCAFEDEAD);
2907         r = radeon_ring_lock(rdev, ring, 3);
2908         if (r) {
2909                 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n",
2910                           ring->idx, r);
2911                 return r;
2912         }
2913         radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
2914         radeon_ring_write(ring, 0xDEADBEEF);
2915         radeon_ring_unlock_commit(rdev, ring);
2916         for (i = 0; i < rdev->usec_timeout; i++) {
2917                 tmp = RREG32(UVD_CONTEXT_ID);
2918                 if (tmp == 0xDEADBEEF)
2919                         break;
2920                 DRM_UDELAY(1);
2921         }
2922
2923         if (i < rdev->usec_timeout) {
2924                 DRM_INFO("ring test on %d succeeded in %d usecs\n",
2925                          ring->idx, i);
2926         } else {
2927                 DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
2928                           ring->idx, tmp);
2929                 r = -EINVAL;
2930         }
2931         return r;
2932 }
2933
2934 /*
2935  * CP fences/semaphores
2936  */
2937
2938 void r600_fence_ring_emit(struct radeon_device *rdev,
2939                           struct radeon_fence *fence)
2940 {
2941         struct radeon_ring *ring = &rdev->ring[fence->ring];
2942
2943         if (rdev->wb.use_event) {
2944                 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2945                 /* flush read cache over gart */
2946                 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2947                 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
2948                                         PACKET3_VC_ACTION_ENA |
2949                                         PACKET3_SH_ACTION_ENA);
2950                 radeon_ring_write(ring, 0xFFFFFFFF);
2951                 radeon_ring_write(ring, 0);
2952                 radeon_ring_write(ring, 10); /* poll interval */
2953                 /* EVENT_WRITE_EOP - flush caches, send int */
2954                 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2955                 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2956                 radeon_ring_write(ring, addr & 0xffffffff);
2957                 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2958                 radeon_ring_write(ring, fence->seq);
2959                 radeon_ring_write(ring, 0);
2960         } else {
2961                 /* flush read cache over gart */
2962                 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2963                 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
2964                                         PACKET3_VC_ACTION_ENA |
2965                                         PACKET3_SH_ACTION_ENA);
2966                 radeon_ring_write(ring, 0xFFFFFFFF);
2967                 radeon_ring_write(ring, 0);
2968                 radeon_ring_write(ring, 10); /* poll interval */
2969                 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2970                 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2971                 /* wait for 3D idle clean */
2972                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2973                 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2974                 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2975                 /* Emit fence sequence & fire IRQ */
2976                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2977                 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2978                 radeon_ring_write(ring, fence->seq);
2979                 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
2980                 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
2981                 radeon_ring_write(ring, RB_INT_STAT);
2982         }
2983 }
2984
2985 void r600_uvd_fence_emit(struct radeon_device *rdev,
2986                          struct radeon_fence *fence)
2987 {
2988         struct radeon_ring *ring = &rdev->ring[fence->ring];
2989         uint32_t addr = rdev->fence_drv[fence->ring].gpu_addr;
2990
2991         radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
2992         radeon_ring_write(ring, fence->seq);
2993         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
2994         radeon_ring_write(ring, addr & 0xffffffff);
2995         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
2996         radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
2997         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
2998         radeon_ring_write(ring, 0);
2999
3000         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
3001         radeon_ring_write(ring, 0);
3002         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
3003         radeon_ring_write(ring, 0);
3004         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
3005         radeon_ring_write(ring, 2);
3006         return;
3007 }
3008
3009 void r600_semaphore_ring_emit(struct radeon_device *rdev,
3010                               struct radeon_ring *ring,
3011                               struct radeon_semaphore *semaphore,
3012                               bool emit_wait)
3013 {
3014         uint64_t addr = semaphore->gpu_addr;
3015         unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
3016
3017         if (rdev->family < CHIP_CAYMAN)
3018                 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
3019
3020         radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
3021         radeon_ring_write(ring, addr & 0xffffffff);
3022         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
3023 }
3024
3025 /*
3026  * DMA fences/semaphores
3027  */
3028
3029 /**
3030  * r600_dma_fence_ring_emit - emit a fence on the DMA ring
3031  *
3032  * @rdev: radeon_device pointer
3033  * @fence: radeon fence object
3034  *
3035  * Add a DMA fence packet to the ring to write
3036  * the fence seq number and DMA trap packet to generate
3037  * an interrupt if needed (r6xx-r7xx).
3038  */
3039 void r600_dma_fence_ring_emit(struct radeon_device *rdev,
3040                               struct radeon_fence *fence)
3041 {
3042         struct radeon_ring *ring = &rdev->ring[fence->ring];
3043         u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3044
3045         /* write the fence */
3046         radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0));
3047         radeon_ring_write(ring, addr & 0xfffffffc);
3048         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff));
3049         radeon_ring_write(ring, lower_32_bits(fence->seq));
3050         /* generate an interrupt */
3051         radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0));
3052 }
3053
3054 /**
3055  * r600_dma_semaphore_ring_emit - emit a semaphore on the dma ring
3056  *
3057  * @rdev: radeon_device pointer
3058  * @ring: radeon_ring structure holding ring information
3059  * @semaphore: radeon semaphore object
3060  * @emit_wait: wait or signal semaphore
3061  *
3062  * Add a DMA semaphore packet to the ring wait on or signal
3063  * other rings (r6xx-SI).
3064  */
3065 void r600_dma_semaphore_ring_emit(struct radeon_device *rdev,
3066                                   struct radeon_ring *ring,
3067                                   struct radeon_semaphore *semaphore,
3068                                   bool emit_wait)
3069 {
3070         u64 addr = semaphore->gpu_addr;
3071         u32 s = emit_wait ? 0 : 1;
3072
3073         radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SEMAPHORE, 0, s, 0));
3074         radeon_ring_write(ring, addr & 0xfffffffc);
3075         radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
3076 }
3077
3078 void r600_uvd_semaphore_emit(struct radeon_device *rdev,
3079                              struct radeon_ring *ring,
3080                              struct radeon_semaphore *semaphore,
3081                              bool emit_wait)
3082 {
3083         uint64_t addr = semaphore->gpu_addr;
3084
3085         radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
3086         radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
3087
3088         radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
3089         radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
3090
3091         radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
3092         radeon_ring_write(ring, emit_wait ? 1 : 0);
3093 }
3094
3095 int r600_copy_blit(struct radeon_device *rdev,
3096                    uint64_t src_offset,
3097                    uint64_t dst_offset,
3098                    unsigned num_gpu_pages,
3099                    struct radeon_fence **fence)
3100 {
3101         struct radeon_semaphore *sem = NULL;
3102         struct radeon_sa_bo *vb = NULL;
3103         int r;
3104
3105         r = r600_blit_prepare_copy(rdev, num_gpu_pages, fence, &vb, &sem);
3106         if (r) {
3107                 return r;
3108         }
3109         r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages, vb);
3110         r600_blit_done_copy(rdev, fence, vb, sem);
3111         return 0;
3112 }
3113
3114 /**
3115  * r600_copy_dma - copy pages using the DMA engine
3116  *
3117  * @rdev: radeon_device pointer
3118  * @src_offset: src GPU address
3119  * @dst_offset: dst GPU address
3120  * @num_gpu_pages: number of GPU pages to xfer
3121  * @fence: radeon fence object
3122  *
3123  * Copy GPU paging using the DMA engine (r6xx).
3124  * Used by the radeon ttm implementation to move pages if
3125  * registered as the asic copy callback.
3126  */
3127 int r600_copy_dma(struct radeon_device *rdev,
3128                   uint64_t src_offset, uint64_t dst_offset,
3129                   unsigned num_gpu_pages,
3130                   struct radeon_fence **fence)
3131 {
3132         struct radeon_semaphore *sem = NULL;
3133         int ring_index = rdev->asic->copy.dma_ring_index;
3134         struct radeon_ring *ring = &rdev->ring[ring_index];
3135         u32 size_in_dw, cur_size_in_dw;
3136         int i, num_loops;
3137         int r = 0;
3138
3139         r = radeon_semaphore_create(rdev, &sem);
3140         if (r) {
3141                 DRM_ERROR("radeon: moving bo (%d).\n", r);
3142                 return r;
3143         }
3144
3145         size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
3146         num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE);
3147         r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8);
3148         if (r) {
3149                 DRM_ERROR("radeon: moving bo (%d).\n", r);
3150                 radeon_semaphore_free(rdev, &sem, NULL);
3151                 return r;
3152         }
3153
3154         if (radeon_fence_need_sync(*fence, ring->idx)) {
3155                 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
3156                                             ring->idx);
3157                 radeon_fence_note_sync(*fence, ring->idx);
3158         } else {
3159                 radeon_semaphore_free(rdev, &sem, NULL);
3160         }
3161
3162         for (i = 0; i < num_loops; i++) {
3163                 cur_size_in_dw = size_in_dw;
3164                 if (cur_size_in_dw > 0xFFFE)
3165                         cur_size_in_dw = 0xFFFE;
3166                 size_in_dw -= cur_size_in_dw;
3167                 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
3168                 radeon_ring_write(ring, dst_offset & 0xfffffffc);
3169                 radeon_ring_write(ring, src_offset & 0xfffffffc);
3170                 radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) |
3171                                          (upper_32_bits(src_offset) & 0xff)));
3172                 src_offset += cur_size_in_dw * 4;
3173                 dst_offset += cur_size_in_dw * 4;
3174         }
3175
3176         r = radeon_fence_emit(rdev, fence, ring->idx);
3177         if (r) {
3178                 radeon_ring_unlock_undo(rdev, ring);
3179                 return r;
3180         }
3181
3182         radeon_ring_unlock_commit(rdev, ring);
3183         radeon_semaphore_free(rdev, &sem, *fence);
3184
3185         return r;
3186 }
3187
3188 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
3189                          uint32_t tiling_flags, uint32_t pitch,
3190                          uint32_t offset, uint32_t obj_size)
3191 {
3192         /* FIXME: implement */
3193         return 0;
3194 }
3195
3196 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
3197 {
3198         /* FIXME: implement */
3199 }
3200
3201 static int r600_startup(struct radeon_device *rdev)
3202 {
3203         struct radeon_ring *ring;
3204         int r;
3205
3206         /* enable pcie gen2 link */
3207         r600_pcie_gen2_enable(rdev);
3208
3209         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3210                 r = r600_init_microcode(rdev);
3211                 if (r) {
3212                         DRM_ERROR("Failed to load firmware!\n");
3213                         return r;
3214                 }
3215         }
3216
3217         r = r600_vram_scratch_init(rdev);
3218         if (r)
3219                 return r;
3220
3221         r600_mc_program(rdev);
3222         if (rdev->flags & RADEON_IS_AGP) {
3223                 r600_agp_enable(rdev);
3224         } else {
3225                 r = r600_pcie_gart_enable(rdev);
3226                 if (r)
3227                         return r;
3228         }
3229         r600_gpu_init(rdev);
3230         r = r600_blit_init(rdev);
3231         if (r) {
3232                 r600_blit_fini(rdev);
3233                 rdev->asic->copy.copy = NULL;
3234                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
3235         }
3236
3237         /* allocate wb buffer */
3238         r = radeon_wb_init(rdev);
3239         if (r)
3240                 return r;
3241
3242         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3243         if (r) {
3244                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3245                 return r;
3246         }
3247
3248         r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
3249         if (r) {
3250                 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
3251                 return r;
3252         }
3253
3254         /* Enable IRQ */
3255         if (!rdev->irq.installed) {
3256                 r = radeon_irq_kms_init(rdev);
3257                 if (r)
3258                         return r;
3259         }
3260
3261         r = r600_irq_init(rdev);
3262         if (r) {
3263                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3264                 radeon_irq_kms_fini(rdev);
3265                 return r;
3266         }
3267         r600_irq_set(rdev);
3268
3269         ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3270         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3271                              R600_CP_RB_RPTR, R600_CP_RB_WPTR,
3272                              0, 0xfffff, RADEON_CP_PACKET2);
3273         if (r)
3274                 return r;
3275
3276         ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
3277         r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
3278                              DMA_RB_RPTR, DMA_RB_WPTR,
3279                              2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
3280         if (r)
3281                 return r;
3282
3283         r = r600_cp_load_microcode(rdev);
3284         if (r)
3285                 return r;
3286         r = r600_cp_resume(rdev);
3287         if (r)
3288                 return r;
3289
3290         r = r600_dma_resume(rdev);
3291         if (r)
3292                 return r;
3293
3294         r = radeon_ib_pool_init(rdev);
3295         if (r) {
3296                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3297                 return r;
3298         }
3299
3300         r = r600_audio_init(rdev);
3301         if (r) {
3302                 DRM_ERROR("radeon: audio init failed\n");
3303                 return r;
3304         }
3305
3306         return 0;
3307 }
3308
3309 void r600_vga_set_state(struct radeon_device *rdev, bool state)
3310 {
3311         uint32_t temp;
3312
3313         temp = RREG32(CONFIG_CNTL);
3314         if (state == false) {
3315                 temp &= ~(1<<0);
3316                 temp |= (1<<1);
3317         } else {
3318                 temp &= ~(1<<1);
3319         }
3320         WREG32(CONFIG_CNTL, temp);
3321 }
3322
3323 int r600_resume(struct radeon_device *rdev)
3324 {
3325         int r;
3326
3327         /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
3328          * posting will perform necessary task to bring back GPU into good
3329          * shape.
3330          */
3331         /* post card */
3332         atom_asic_init(rdev->mode_info.atom_context);
3333
3334         rdev->accel_working = true;
3335         r = r600_startup(rdev);
3336         if (r) {
3337                 DRM_ERROR("r600 startup failed on resume\n");
3338                 rdev->accel_working = false;
3339                 return r;
3340         }
3341
3342         return r;
3343 }
3344
3345 int r600_suspend(struct radeon_device *rdev)
3346 {
3347         r600_audio_fini(rdev);
3348         r600_cp_stop(rdev);
3349         r600_dma_stop(rdev);
3350         r600_irq_suspend(rdev);
3351         radeon_wb_disable(rdev);
3352         r600_pcie_gart_disable(rdev);
3353
3354         return 0;
3355 }
3356
3357 /* Plan is to move initialization in that function and use
3358  * helper function so that radeon_device_init pretty much
3359  * do nothing more than calling asic specific function. This
3360  * should also allow to remove a bunch of callback function
3361  * like vram_info.
3362  */
3363 int r600_init(struct radeon_device *rdev)
3364 {
3365         int r;
3366
3367         if (r600_debugfs_mc_info_init(rdev)) {
3368                 DRM_ERROR("Failed to register debugfs file for mc !\n");
3369         }
3370         /* Read BIOS */
3371         if (!radeon_get_bios(rdev)) {
3372                 if (ASIC_IS_AVIVO(rdev))
3373                         return -EINVAL;
3374         }
3375         /* Must be an ATOMBIOS */
3376         if (!rdev->is_atom_bios) {
3377                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3378                 return -EINVAL;
3379         }
3380         r = radeon_atombios_init(rdev);
3381         if (r)
3382                 return r;
3383         /* Post card if necessary */
3384         if (!radeon_card_posted(rdev)) {
3385                 if (!rdev->bios) {
3386                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3387                         return -EINVAL;
3388                 }
3389                 DRM_INFO("GPU not posted. posting now...\n");
3390                 atom_asic_init(rdev->mode_info.atom_context);
3391         }
3392         /* Initialize scratch registers */
3393         r600_scratch_init(rdev);
3394         /* Initialize surface registers */
3395         radeon_surface_init(rdev);
3396         /* Initialize clocks */
3397         radeon_get_clock_info(rdev->ddev);
3398         /* Fence driver */
3399         r = radeon_fence_driver_init(rdev);
3400         if (r)
3401                 return r;
3402         if (rdev->flags & RADEON_IS_AGP) {
3403                 r = radeon_agp_init(rdev);
3404                 if (r)
3405                         radeon_agp_disable(rdev);
3406         }
3407         r = r600_mc_init(rdev);
3408         if (r)
3409                 return r;
3410         /* Memory manager */
3411         r = radeon_bo_init(rdev);
3412         if (r)
3413                 return r;
3414
3415         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3416         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3417
3418         rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
3419         r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
3420
3421         rdev->ih.ring_obj = NULL;
3422         r600_ih_ring_init(rdev, 64 * 1024);
3423
3424         r = r600_pcie_gart_init(rdev);
3425         if (r)
3426                 return r;
3427
3428         rdev->accel_working = true;
3429         r = r600_startup(rdev);
3430         if (r) {
3431                 dev_err(rdev->dev, "disabling GPU acceleration\n");
3432                 r600_cp_fini(rdev);
3433                 r600_dma_fini(rdev);
3434                 r600_irq_fini(rdev);
3435                 radeon_wb_fini(rdev);
3436                 radeon_ib_pool_fini(rdev);
3437                 radeon_irq_kms_fini(rdev);
3438                 r600_pcie_gart_fini(rdev);
3439                 rdev->accel_working = false;
3440         }
3441
3442         return 0;
3443 }
3444
3445 void r600_fini(struct radeon_device *rdev)
3446 {
3447         r600_audio_fini(rdev);
3448         r600_blit_fini(rdev);
3449         r600_cp_fini(rdev);
3450         r600_dma_fini(rdev);
3451         r600_irq_fini(rdev);
3452         radeon_wb_fini(rdev);
3453         radeon_ib_pool_fini(rdev);
3454         radeon_irq_kms_fini(rdev);
3455         r600_pcie_gart_fini(rdev);
3456         r600_vram_scratch_fini(rdev);
3457         radeon_agp_fini(rdev);
3458         radeon_gem_fini(rdev);
3459         radeon_fence_driver_fini(rdev);
3460         radeon_bo_fini(rdev);
3461         radeon_atombios_fini(rdev);
3462         kfree(rdev->bios);
3463         rdev->bios = NULL;
3464 }
3465
3466
3467 /*
3468  * CS stuff
3469  */
3470 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3471 {
3472         struct radeon_ring *ring = &rdev->ring[ib->ring];
3473         u32 next_rptr;
3474
3475         if (ring->rptr_save_reg) {
3476                 next_rptr = ring->wptr + 3 + 4;
3477                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3478                 radeon_ring_write(ring, ((ring->rptr_save_reg -
3479                                          PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3480                 radeon_ring_write(ring, next_rptr);
3481         } else if (rdev->wb.enabled) {
3482                 next_rptr = ring->wptr + 5 + 4;
3483                 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3484                 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3485                 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3486                 radeon_ring_write(ring, next_rptr);
3487                 radeon_ring_write(ring, 0);
3488         }
3489
3490         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3491         radeon_ring_write(ring,
3492 #ifdef __BIG_ENDIAN
3493                           (2 << 0) |
3494 #endif
3495                           (ib->gpu_addr & 0xFFFFFFFC));
3496         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3497         radeon_ring_write(ring, ib->length_dw);
3498 }
3499
3500 void r600_uvd_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3501 {
3502         struct radeon_ring *ring = &rdev->ring[ib->ring];
3503
3504         radeon_ring_write(ring, PACKET0(UVD_RBC_IB_BASE, 0));
3505         radeon_ring_write(ring, ib->gpu_addr);
3506         radeon_ring_write(ring, PACKET0(UVD_RBC_IB_SIZE, 0));
3507         radeon_ring_write(ring, ib->length_dw);
3508 }
3509
3510 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3511 {
3512         struct radeon_ib ib;
3513         uint32_t scratch;
3514         uint32_t tmp = 0;
3515         unsigned i;
3516         int r;
3517
3518         r = radeon_scratch_get(rdev, &scratch);
3519         if (r) {
3520                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3521                 return r;
3522         }
3523         WREG32(scratch, 0xCAFEDEAD);
3524         r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3525         if (r) {
3526                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3527                 goto free_scratch;
3528         }
3529         ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3530         ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3531         ib.ptr[2] = 0xDEADBEEF;
3532         ib.length_dw = 3;
3533         r = radeon_ib_schedule(rdev, &ib, NULL);
3534         if (r) {
3535                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3536                 goto free_ib;
3537         }
3538         r = radeon_fence_wait(ib.fence, false);
3539         if (r) {
3540                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3541                 goto free_ib;
3542         }
3543         for (i = 0; i < rdev->usec_timeout; i++) {
3544                 tmp = RREG32(scratch);
3545                 if (tmp == 0xDEADBEEF)
3546                         break;
3547                 DRM_UDELAY(1);
3548         }
3549         if (i < rdev->usec_timeout) {
3550                 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3551         } else {
3552                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3553                           scratch, tmp);
3554                 r = -EINVAL;
3555         }
3556 free_ib:
3557         radeon_ib_free(rdev, &ib);
3558 free_scratch:
3559         radeon_scratch_free(rdev, scratch);
3560         return r;
3561 }
3562
3563 /**
3564  * r600_dma_ib_test - test an IB on the DMA engine
3565  *
3566  * @rdev: radeon_device pointer
3567  * @ring: radeon_ring structure holding ring information
3568  *
3569  * Test a simple IB in the DMA ring (r6xx-SI).
3570  * Returns 0 on success, error on failure.
3571  */
3572 int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3573 {
3574         struct radeon_ib ib;
3575         unsigned i;
3576         int r;
3577         void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3578         u32 tmp = 0;
3579
3580         if (!ptr) {
3581                 DRM_ERROR("invalid vram scratch pointer\n");
3582                 return -EINVAL;
3583         }
3584
3585         tmp = 0xCAFEDEAD;
3586         writel(tmp, ptr);
3587
3588         r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3589         if (r) {
3590                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3591                 return r;
3592         }
3593
3594         ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1);
3595         ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc;
3596         ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff;
3597         ib.ptr[3] = 0xDEADBEEF;
3598         ib.length_dw = 4;
3599
3600         r = radeon_ib_schedule(rdev, &ib, NULL);
3601         if (r) {
3602                 radeon_ib_free(rdev, &ib);
3603                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3604                 return r;
3605         }
3606         r = radeon_fence_wait(ib.fence, false);
3607         if (r) {
3608                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3609                 return r;
3610         }
3611         for (i = 0; i < rdev->usec_timeout; i++) {
3612                 tmp = readl(ptr);
3613                 if (tmp == 0xDEADBEEF)
3614                         break;
3615                 DRM_UDELAY(1);
3616         }
3617         if (i < rdev->usec_timeout) {
3618                 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3619         } else {
3620                 DRM_ERROR("radeon: ib test failed (0x%08X)\n", tmp);
3621                 r = -EINVAL;
3622         }
3623         radeon_ib_free(rdev, &ib);
3624         return r;
3625 }
3626
3627 int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3628 {
3629         struct radeon_fence *fence = NULL;
3630         int r;
3631
3632         r = radeon_set_uvd_clocks(rdev, 53300, 40000);
3633         if (r) {
3634                 DRM_ERROR("radeon: failed to raise UVD clocks (%d).\n", r);
3635                 return r;
3636         }
3637
3638         r = radeon_uvd_get_create_msg(rdev, ring->idx, 1, NULL);
3639         if (r) {
3640                 DRM_ERROR("radeon: failed to get create msg (%d).\n", r);
3641                 goto error;
3642         }
3643
3644         r = radeon_uvd_get_destroy_msg(rdev, ring->idx, 1, &fence);
3645         if (r) {
3646                 DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r);
3647                 goto error;
3648         }
3649
3650         r = radeon_fence_wait(fence, false);
3651         if (r) {
3652                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3653                 goto error;
3654         }
3655         DRM_INFO("ib test on ring %d succeeded\n",  ring->idx);
3656 error:
3657         radeon_fence_unref(&fence);
3658         radeon_set_uvd_clocks(rdev, 0, 0);
3659         return r;
3660 }
3661
3662 /**
3663  * r600_dma_ring_ib_execute - Schedule an IB on the DMA engine
3664  *
3665  * @rdev: radeon_device pointer
3666  * @ib: IB object to schedule
3667  *
3668  * Schedule an IB in the DMA ring (r6xx-r7xx).
3669  */
3670 void r600_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3671 {
3672         struct radeon_ring *ring = &rdev->ring[ib->ring];
3673
3674         if (rdev->wb.enabled) {
3675                 u32 next_rptr = ring->wptr + 4;
3676                 while ((next_rptr & 7) != 5)
3677                         next_rptr++;
3678                 next_rptr += 3;
3679                 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
3680                 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3681                 radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
3682                 radeon_ring_write(ring, next_rptr);
3683         }
3684
3685         /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
3686          * Pad as necessary with NOPs.
3687          */
3688         while ((ring->wptr & 7) != 5)
3689                 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
3690         radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0));
3691         radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
3692         radeon_ring_write(ring, (ib->length_dw << 16) | (upper_32_bits(ib->gpu_addr) & 0xFF));
3693
3694 }
3695
3696 /*
3697  * Interrupts
3698  *
3699  * Interrupts use a ring buffer on r6xx/r7xx hardware.  It works pretty
3700  * the same as the CP ring buffer, but in reverse.  Rather than the CPU
3701  * writing to the ring and the GPU consuming, the GPU writes to the ring
3702  * and host consumes.  As the host irq handler processes interrupts, it
3703  * increments the rptr.  When the rptr catches up with the wptr, all the
3704  * current interrupts have been processed.
3705  */
3706
3707 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3708 {
3709         u32 rb_bufsz;
3710
3711         /* Align ring size */
3712         rb_bufsz = drm_order(ring_size / 4);
3713         ring_size = (1 << rb_bufsz) * 4;
3714         rdev->ih.ring_size = ring_size;
3715         rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3716         rdev->ih.rptr = 0;
3717 }
3718
3719 int r600_ih_ring_alloc(struct radeon_device *rdev)
3720 {
3721         int r;
3722
3723         /* Allocate ring buffer */
3724         if (rdev->ih.ring_obj == NULL) {
3725                 r = radeon_bo_create(rdev, rdev->ih.ring_size,
3726                                      PAGE_SIZE, true,
3727                                      RADEON_GEM_DOMAIN_GTT,
3728                                      NULL, &rdev->ih.ring_obj);
3729                 if (r) {
3730                         DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3731                         return r;
3732                 }
3733                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3734                 if (unlikely(r != 0))
3735                         return r;
3736                 r = radeon_bo_pin(rdev->ih.ring_obj,
3737                                   RADEON_GEM_DOMAIN_GTT,
3738                                   &rdev->ih.gpu_addr);
3739                 if (r) {
3740                         radeon_bo_unreserve(rdev->ih.ring_obj);
3741                         DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3742                         return r;
3743                 }
3744                 r = radeon_bo_kmap(rdev->ih.ring_obj,
3745                                    (void **)&rdev->ih.ring);
3746                 radeon_bo_unreserve(rdev->ih.ring_obj);
3747                 if (r) {
3748                         DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3749                         return r;
3750                 }
3751         }
3752         return 0;
3753 }
3754
3755 void r600_ih_ring_fini(struct radeon_device *rdev)
3756 {
3757         int r;
3758         if (rdev->ih.ring_obj) {
3759                 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3760                 if (likely(r == 0)) {
3761                         radeon_bo_kunmap(rdev->ih.ring_obj);
3762                         radeon_bo_unpin(rdev->ih.ring_obj);
3763                         radeon_bo_unreserve(rdev->ih.ring_obj);
3764                 }
3765                 radeon_bo_unref(&rdev->ih.ring_obj);
3766                 rdev->ih.ring = NULL;
3767                 rdev->ih.ring_obj = NULL;
3768         }
3769 }
3770
3771 void r600_rlc_stop(struct radeon_device *rdev)
3772 {
3773
3774         if ((rdev->family >= CHIP_RV770) &&
3775             (rdev->family <= CHIP_RV740)) {
3776                 /* r7xx asics need to soft reset RLC before halting */
3777                 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3778                 RREG32(SRBM_SOFT_RESET);
3779                 mdelay(15);
3780                 WREG32(SRBM_SOFT_RESET, 0);
3781                 RREG32(SRBM_SOFT_RESET);
3782         }
3783
3784         WREG32(RLC_CNTL, 0);
3785 }
3786
3787 static void r600_rlc_start(struct radeon_device *rdev)
3788 {
3789         WREG32(RLC_CNTL, RLC_ENABLE);
3790 }
3791
3792 static int r600_rlc_init(struct radeon_device *rdev)
3793 {
3794         u32 i;
3795         const __be32 *fw_data;
3796
3797         if (!rdev->rlc_fw)
3798                 return -EINVAL;
3799
3800         r600_rlc_stop(rdev);
3801
3802         WREG32(RLC_HB_CNTL, 0);
3803
3804         if (rdev->family == CHIP_ARUBA) {
3805                 WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
3806                 WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
3807         }
3808         if (rdev->family <= CHIP_CAYMAN) {
3809                 WREG32(RLC_HB_BASE, 0);
3810                 WREG32(RLC_HB_RPTR, 0);
3811                 WREG32(RLC_HB_WPTR, 0);
3812         }
3813         if (rdev->family <= CHIP_CAICOS) {
3814                 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3815                 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
3816         }
3817         WREG32(RLC_MC_CNTL, 0);
3818         WREG32(RLC_UCODE_CNTL, 0);
3819
3820         fw_data = (const __be32 *)rdev->rlc_fw->data;
3821         if (rdev->family >= CHIP_ARUBA) {
3822                 for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
3823                         WREG32(RLC_UCODE_ADDR, i);
3824                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3825                 }
3826         } else if (rdev->family >= CHIP_CAYMAN) {
3827                 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
3828                         WREG32(RLC_UCODE_ADDR, i);
3829                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3830                 }
3831         } else if (rdev->family >= CHIP_CEDAR) {
3832                 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
3833                         WREG32(RLC_UCODE_ADDR, i);
3834                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3835                 }
3836         } else if (rdev->family >= CHIP_RV770) {
3837                 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3838                         WREG32(RLC_UCODE_ADDR, i);
3839                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3840                 }
3841         } else {
3842                 for (i = 0; i < RLC_UCODE_SIZE; i++) {
3843                         WREG32(RLC_UCODE_ADDR, i);
3844                         WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3845                 }
3846         }
3847         WREG32(RLC_UCODE_ADDR, 0);
3848
3849         r600_rlc_start(rdev);
3850
3851         return 0;
3852 }
3853
3854 static void r600_enable_interrupts(struct radeon_device *rdev)
3855 {
3856         u32 ih_cntl = RREG32(IH_CNTL);
3857         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3858
3859         ih_cntl |= ENABLE_INTR;
3860         ih_rb_cntl |= IH_RB_ENABLE;
3861         WREG32(IH_CNTL, ih_cntl);
3862         WREG32(IH_RB_CNTL, ih_rb_cntl);
3863         rdev->ih.enabled = true;
3864 }
3865
3866 void r600_disable_interrupts(struct radeon_device *rdev)
3867 {
3868         u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3869         u32 ih_cntl = RREG32(IH_CNTL);
3870
3871         ih_rb_cntl &= ~IH_RB_ENABLE;
3872         ih_cntl &= ~ENABLE_INTR;
3873         WREG32(IH_RB_CNTL, ih_rb_cntl);
3874         WREG32(IH_CNTL, ih_cntl);
3875         /* set rptr, wptr to 0 */
3876         WREG32(IH_RB_RPTR, 0);
3877         WREG32(IH_RB_WPTR, 0);
3878         rdev->ih.enabled = false;
3879         rdev->ih.rptr = 0;
3880 }
3881
3882 static void r600_disable_interrupt_state(struct radeon_device *rdev)
3883 {
3884         u32 tmp;
3885
3886         WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3887         tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3888         WREG32(DMA_CNTL, tmp);
3889         WREG32(GRBM_INT_CNTL, 0);
3890         WREG32(DxMODE_INT_MASK, 0);
3891         WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3892         WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3893         if (ASIC_IS_DCE3(rdev)) {
3894                 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3895                 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3896                 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3897                 WREG32(DC_HPD1_INT_CONTROL, tmp);
3898                 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3899                 WREG32(DC_HPD2_INT_CONTROL, tmp);
3900                 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3901                 WREG32(DC_HPD3_INT_CONTROL, tmp);
3902                 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3903                 WREG32(DC_HPD4_INT_CONTROL, tmp);
3904                 if (ASIC_IS_DCE32(rdev)) {
3905                         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3906                         WREG32(DC_HPD5_INT_CONTROL, tmp);
3907                         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3908                         WREG32(DC_HPD6_INT_CONTROL, tmp);
3909                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3910                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3911                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3912                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3913                 } else {
3914                         tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3915                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3916                         tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3917                         WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
3918                 }
3919         } else {
3920                 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
3921                 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
3922                 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3923                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
3924                 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3925                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
3926                 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
3927                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
3928                 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3929                 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3930                 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3931                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
3932         }
3933 }
3934
3935 int r600_irq_init(struct radeon_device *rdev)
3936 {
3937         int ret = 0;
3938         int rb_bufsz;
3939         u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
3940
3941         /* allocate ring */
3942         ret = r600_ih_ring_alloc(rdev);
3943         if (ret)
3944                 return ret;
3945
3946         /* disable irqs */
3947         r600_disable_interrupts(rdev);
3948
3949         /* init rlc */
3950         ret = r600_rlc_init(rdev);
3951         if (ret) {
3952                 r600_ih_ring_fini(rdev);
3953                 return ret;
3954         }
3955
3956         /* setup interrupt control */
3957         /* set dummy read address to ring address */
3958         WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
3959         interrupt_cntl = RREG32(INTERRUPT_CNTL);
3960         /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
3961          * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
3962          */
3963         interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
3964         /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
3965         interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
3966         WREG32(INTERRUPT_CNTL, interrupt_cntl);
3967
3968         WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
3969         rb_bufsz = drm_order(rdev->ih.ring_size / 4);
3970
3971         ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
3972                       IH_WPTR_OVERFLOW_CLEAR |
3973                       (rb_bufsz << 1));
3974
3975         if (rdev->wb.enabled)
3976                 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
3977
3978         /* set the writeback address whether it's enabled or not */
3979         WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
3980         WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
3981
3982         WREG32(IH_RB_CNTL, ih_rb_cntl);
3983
3984         /* set rptr, wptr to 0 */
3985         WREG32(IH_RB_RPTR, 0);
3986         WREG32(IH_RB_WPTR, 0);
3987
3988         /* Default settings for IH_CNTL (disabled at first) */
3989         ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
3990         /* RPTR_REARM only works if msi's are enabled */
3991         if (rdev->msi_enabled)
3992                 ih_cntl |= RPTR_REARM;
3993         WREG32(IH_CNTL, ih_cntl);
3994
3995         /* force the active interrupt state to all disabled */
3996         if (rdev->family >= CHIP_CEDAR)
3997                 evergreen_disable_interrupt_state(rdev);
3998         else
3999                 r600_disable_interrupt_state(rdev);
4000
4001         /* at this point everything should be setup correctly to enable master */
4002         pci_set_master(rdev->pdev);
4003
4004         /* enable irqs */
4005         r600_enable_interrupts(rdev);
4006
4007         return ret;
4008 }
4009
4010 void r600_irq_suspend(struct radeon_device *rdev)
4011 {
4012         r600_irq_disable(rdev);
4013         r600_rlc_stop(rdev);
4014 }
4015
4016 void r600_irq_fini(struct radeon_device *rdev)
4017 {
4018         r600_irq_suspend(rdev);
4019         r600_ih_ring_fini(rdev);
4020 }
4021
4022 int r600_irq_set(struct radeon_device *rdev)
4023 {
4024         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4025         u32 mode_int = 0;
4026         u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
4027         u32 grbm_int_cntl = 0;
4028         u32 hdmi0, hdmi1;
4029         u32 d1grph = 0, d2grph = 0;
4030         u32 dma_cntl;
4031
4032         if (!rdev->irq.installed) {
4033                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4034                 return -EINVAL;
4035         }
4036         /* don't enable anything if the ih is disabled */
4037         if (!rdev->ih.enabled) {
4038                 r600_disable_interrupts(rdev);
4039                 /* force the active interrupt state to all disabled */
4040                 r600_disable_interrupt_state(rdev);
4041                 return 0;
4042         }
4043
4044         if (ASIC_IS_DCE3(rdev)) {
4045                 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
4046                 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
4047                 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
4048                 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
4049                 if (ASIC_IS_DCE32(rdev)) {
4050                         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
4051                         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
4052                         hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4053                         hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4054                 } else {
4055                         hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4056                         hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4057                 }
4058         } else {
4059                 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
4060                 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
4061                 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
4062                 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4063                 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4064         }
4065         dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4066
4067         if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4068                 DRM_DEBUG("r600_irq_set: sw int\n");
4069                 cp_int_cntl |= RB_INT_ENABLE;
4070                 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4071         }
4072
4073         if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4074                 DRM_DEBUG("r600_irq_set: sw int dma\n");
4075                 dma_cntl |= TRAP_ENABLE;
4076         }
4077
4078         if (rdev->irq.crtc_vblank_int[0] ||
4079             atomic_read(&rdev->irq.pflip[0])) {
4080                 DRM_DEBUG("r600_irq_set: vblank 0\n");
4081                 mode_int |= D1MODE_VBLANK_INT_MASK;
4082         }
4083         if (rdev->irq.crtc_vblank_int[1] ||
4084             atomic_read(&rdev->irq.pflip[1])) {
4085                 DRM_DEBUG("r600_irq_set: vblank 1\n");
4086                 mode_int |= D2MODE_VBLANK_INT_MASK;
4087         }
4088         if (rdev->irq.hpd[0]) {
4089                 DRM_DEBUG("r600_irq_set: hpd 1\n");
4090                 hpd1 |= DC_HPDx_INT_EN;
4091         }
4092         if (rdev->irq.hpd[1]) {
4093                 DRM_DEBUG("r600_irq_set: hpd 2\n");
4094                 hpd2 |= DC_HPDx_INT_EN;
4095         }
4096         if (rdev->irq.hpd[2]) {
4097                 DRM_DEBUG("r600_irq_set: hpd 3\n");
4098                 hpd3 |= DC_HPDx_INT_EN;
4099         }
4100         if (rdev->irq.hpd[3]) {
4101                 DRM_DEBUG("r600_irq_set: hpd 4\n");
4102                 hpd4 |= DC_HPDx_INT_EN;
4103         }
4104         if (rdev->irq.hpd[4]) {
4105                 DRM_DEBUG("r600_irq_set: hpd 5\n");
4106                 hpd5 |= DC_HPDx_INT_EN;
4107         }
4108         if (rdev->irq.hpd[5]) {
4109                 DRM_DEBUG("r600_irq_set: hpd 6\n");
4110                 hpd6 |= DC_HPDx_INT_EN;
4111         }
4112         if (rdev->irq.afmt[0]) {
4113                 DRM_DEBUG("r600_irq_set: hdmi 0\n");
4114                 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
4115         }
4116         if (rdev->irq.afmt[1]) {
4117                 DRM_DEBUG("r600_irq_set: hdmi 0\n");
4118                 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
4119         }
4120
4121         WREG32(CP_INT_CNTL, cp_int_cntl);
4122         WREG32(DMA_CNTL, dma_cntl);
4123         WREG32(DxMODE_INT_MASK, mode_int);
4124         WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
4125         WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
4126         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4127         if (ASIC_IS_DCE3(rdev)) {
4128                 WREG32(DC_HPD1_INT_CONTROL, hpd1);
4129                 WREG32(DC_HPD2_INT_CONTROL, hpd2);
4130                 WREG32(DC_HPD3_INT_CONTROL, hpd3);
4131                 WREG32(DC_HPD4_INT_CONTROL, hpd4);
4132                 if (ASIC_IS_DCE32(rdev)) {
4133                         WREG32(DC_HPD5_INT_CONTROL, hpd5);
4134                         WREG32(DC_HPD6_INT_CONTROL, hpd6);
4135                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
4136                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
4137                 } else {
4138                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
4139                         WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
4140                 }
4141         } else {
4142                 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
4143                 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
4144                 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
4145                 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
4146                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
4147         }
4148
4149         return 0;
4150 }
4151
4152 static void r600_irq_ack(struct radeon_device *rdev)
4153 {
4154         u32 tmp;
4155
4156         if (ASIC_IS_DCE3(rdev)) {
4157                 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
4158                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
4159                 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
4160                 if (ASIC_IS_DCE32(rdev)) {
4161                         rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
4162                         rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
4163                 } else {
4164                         rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
4165                         rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
4166                 }
4167         } else {
4168                 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
4169                 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
4170                 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
4171                 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
4172                 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
4173         }
4174         rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
4175         rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
4176
4177         if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
4178                 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
4179         if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
4180                 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
4181         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
4182                 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
4183         if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
4184                 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
4185         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
4186                 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
4187         if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
4188                 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
4189         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
4190                 if (ASIC_IS_DCE3(rdev)) {
4191                         tmp = RREG32(DC_HPD1_INT_CONTROL);
4192                         tmp |= DC_HPDx_INT_ACK;
4193                         WREG32(DC_HPD1_INT_CONTROL, tmp);
4194                 } else {
4195                         tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
4196                         tmp |= DC_HPDx_INT_ACK;
4197                         WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
4198                 }
4199         }
4200         if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
4201                 if (ASIC_IS_DCE3(rdev)) {
4202                         tmp = RREG32(DC_HPD2_INT_CONTROL);
4203                         tmp |= DC_HPDx_INT_ACK;
4204                         WREG32(DC_HPD2_INT_CONTROL, tmp);
4205                 } else {
4206                         tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
4207                         tmp |= DC_HPDx_INT_ACK;
4208                         WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
4209                 }
4210         }
4211         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
4212                 if (ASIC_IS_DCE3(rdev)) {
4213                         tmp = RREG32(DC_HPD3_INT_CONTROL);
4214                         tmp |= DC_HPDx_INT_ACK;
4215                         WREG32(DC_HPD3_INT_CONTROL, tmp);
4216                 } else {
4217                         tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
4218                         tmp |= DC_HPDx_INT_ACK;
4219                         WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
4220                 }
4221         }
4222         if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
4223                 tmp = RREG32(DC_HPD4_INT_CONTROL);
4224                 tmp |= DC_HPDx_INT_ACK;
4225                 WREG32(DC_HPD4_INT_CONTROL, tmp);
4226         }
4227         if (ASIC_IS_DCE32(rdev)) {
4228                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
4229                         tmp = RREG32(DC_HPD5_INT_CONTROL);
4230                         tmp |= DC_HPDx_INT_ACK;
4231                         WREG32(DC_HPD5_INT_CONTROL, tmp);
4232                 }
4233                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
4234                         tmp = RREG32(DC_HPD5_INT_CONTROL);
4235                         tmp |= DC_HPDx_INT_ACK;
4236                         WREG32(DC_HPD6_INT_CONTROL, tmp);
4237                 }
4238                 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
4239                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
4240                         tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4241                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
4242                 }
4243                 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
4244                         tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
4245                         tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4246                         WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
4247                 }
4248         } else {
4249                 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4250                         tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
4251                         tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4252                         WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
4253                 }
4254                 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4255                         if (ASIC_IS_DCE3(rdev)) {
4256                                 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
4257                                 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4258                                 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
4259                         } else {
4260                                 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
4261                                 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4262                                 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
4263                         }
4264                 }
4265         }
4266 }
4267
4268 void r600_irq_disable(struct radeon_device *rdev)
4269 {
4270         r600_disable_interrupts(rdev);
4271         /* Wait and acknowledge irq */
4272         mdelay(1);
4273         r600_irq_ack(rdev);
4274         r600_disable_interrupt_state(rdev);
4275 }
4276
4277 static u32 r600_get_ih_wptr(struct radeon_device *rdev)
4278 {
4279         u32 wptr, tmp;
4280
4281         if (rdev->wb.enabled)
4282                 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4283         else
4284                 wptr = RREG32(IH_RB_WPTR);
4285
4286         if (wptr & RB_OVERFLOW) {
4287                 /* When a ring buffer overflow happen start parsing interrupt
4288                  * from the last not overwritten vector (wptr + 16). Hopefully
4289                  * this should allow us to catchup.
4290                  */
4291                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
4292                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
4293                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4294                 tmp = RREG32(IH_RB_CNTL);
4295                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
4296                 WREG32(IH_RB_CNTL, tmp);
4297         }
4298         return (wptr & rdev->ih.ptr_mask);
4299 }
4300
4301 /*        r600 IV Ring
4302  * Each IV ring entry is 128 bits:
4303  * [7:0]    - interrupt source id
4304  * [31:8]   - reserved
4305  * [59:32]  - interrupt source data
4306  * [127:60]  - reserved
4307  *
4308  * The basic interrupt vector entries
4309  * are decoded as follows:
4310  * src_id  src_data  description
4311  *      1         0  D1 Vblank
4312  *      1         1  D1 Vline
4313  *      5         0  D2 Vblank
4314  *      5         1  D2 Vline
4315  *     19         0  FP Hot plug detection A
4316  *     19         1  FP Hot plug detection B
4317  *     19         2  DAC A auto-detection
4318  *     19         3  DAC B auto-detection
4319  *     21         4  HDMI block A
4320  *     21         5  HDMI block B
4321  *    176         -  CP_INT RB
4322  *    177         -  CP_INT IB1
4323  *    178         -  CP_INT IB2
4324  *    181         -  EOP Interrupt
4325  *    233         -  GUI Idle
4326  *
4327  * Note, these are based on r600 and may need to be
4328  * adjusted or added to on newer asics
4329  */
4330
4331 int r600_irq_process(struct radeon_device *rdev)
4332 {
4333         u32 wptr;
4334         u32 rptr;
4335         u32 src_id, src_data;
4336         u32 ring_index;
4337         bool queue_hotplug = false;
4338         bool queue_hdmi = false;
4339
4340         if (!rdev->ih.enabled || rdev->shutdown)
4341                 return IRQ_NONE;
4342
4343         /* No MSIs, need a dummy read to flush PCI DMAs */
4344         if (!rdev->msi_enabled)
4345                 RREG32(IH_RB_WPTR);
4346
4347         wptr = r600_get_ih_wptr(rdev);
4348
4349 restart_ih:
4350         /* is somebody else already processing irqs? */
4351         if (atomic_xchg(&rdev->ih.lock, 1))
4352                 return IRQ_NONE;
4353
4354         rptr = rdev->ih.rptr;
4355         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4356
4357         /* Order reading of wptr vs. reading of IH ring data */
4358         rmb();
4359
4360         /* display interrupts */
4361         r600_irq_ack(rdev);
4362
4363         while (rptr != wptr) {
4364                 /* wptr/rptr are in bytes! */
4365                 ring_index = rptr / 4;
4366                 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4367                 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4368
4369                 switch (src_id) {
4370                 case 1: /* D1 vblank/vline */
4371                         switch (src_data) {
4372                         case 0: /* D1 vblank */
4373                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
4374                                         if (rdev->irq.crtc_vblank_int[0]) {
4375                                                 drm_handle_vblank(rdev->ddev, 0);
4376                                                 rdev->pm.vblank_sync = true;
4377                                                 wake_up(&rdev->irq.vblank_queue);
4378                                         }
4379                                         if (atomic_read(&rdev->irq.pflip[0]))
4380                                                 radeon_crtc_handle_flip(rdev, 0);
4381                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4382                                         DRM_DEBUG("IH: D1 vblank\n");
4383                                 }
4384                                 break;
4385                         case 1: /* D1 vline */
4386                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
4387                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4388                                         DRM_DEBUG("IH: D1 vline\n");
4389                                 }
4390                                 break;
4391                         default:
4392                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4393                                 break;
4394                         }
4395                         break;
4396                 case 5: /* D2 vblank/vline */
4397                         switch (src_data) {
4398                         case 0: /* D2 vblank */
4399                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
4400                                         if (rdev->irq.crtc_vblank_int[1]) {
4401                                                 drm_handle_vblank(rdev->ddev, 1);
4402                                                 rdev->pm.vblank_sync = true;
4403                                                 wake_up(&rdev->irq.vblank_queue);
4404                                         }
4405                                         if (atomic_read(&rdev->irq.pflip[1]))
4406                                                 radeon_crtc_handle_flip(rdev, 1);
4407                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
4408                                         DRM_DEBUG("IH: D2 vblank\n");
4409                                 }
4410                                 break;
4411                         case 1: /* D1 vline */
4412                                 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
4413                                         rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
4414                                         DRM_DEBUG("IH: D2 vline\n");
4415                                 }
4416                                 break;
4417                         default:
4418                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4419                                 break;
4420                         }
4421                         break;
4422                 case 19: /* HPD/DAC hotplug */
4423                         switch (src_data) {
4424                         case 0:
4425                                 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
4426                                         rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
4427                                         queue_hotplug = true;
4428                                         DRM_DEBUG("IH: HPD1\n");
4429                                 }
4430                                 break;
4431                         case 1:
4432                                 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
4433                                         rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
4434                                         queue_hotplug = true;
4435                                         DRM_DEBUG("IH: HPD2\n");
4436                                 }
4437                                 break;
4438                         case 4:
4439                                 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
4440                                         rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
4441                                         queue_hotplug = true;
4442                                         DRM_DEBUG("IH: HPD3\n");
4443                                 }
4444                                 break;
4445                         case 5:
4446                                 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
4447                                         rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
4448                                         queue_hotplug = true;
4449                                         DRM_DEBUG("IH: HPD4\n");
4450                                 }
4451                                 break;
4452                         case 10:
4453                                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
4454                                         rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
4455                                         queue_hotplug = true;
4456                                         DRM_DEBUG("IH: HPD5\n");
4457                                 }
4458                                 break;
4459                         case 12:
4460                                 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
4461                                         rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
4462                                         queue_hotplug = true;
4463                                         DRM_DEBUG("IH: HPD6\n");
4464                                 }
4465                                 break;
4466                         default:
4467                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4468                                 break;
4469                         }
4470                         break;
4471                 case 21: /* hdmi */
4472                         switch (src_data) {
4473                         case 4:
4474                                 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4475                                         rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4476                                         queue_hdmi = true;
4477                                         DRM_DEBUG("IH: HDMI0\n");
4478                                 }
4479                                 break;
4480                         case 5:
4481                                 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4482                                         rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4483                                         queue_hdmi = true;
4484                                         DRM_DEBUG("IH: HDMI1\n");
4485                                 }
4486                                 break;
4487                         default:
4488                                 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
4489                                 break;
4490                         }
4491                         break;
4492                 case 176: /* CP_INT in ring buffer */
4493                 case 177: /* CP_INT in IB1 */
4494                 case 178: /* CP_INT in IB2 */
4495                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4496                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4497                         break;
4498                 case 181: /* CP EOP event */
4499                         DRM_DEBUG("IH: CP EOP\n");
4500                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4501                         break;
4502                 case 224: /* DMA trap event */
4503                         DRM_DEBUG("IH: DMA trap\n");
4504                         radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4505                         break;
4506                 case 233: /* GUI IDLE */
4507                         DRM_DEBUG("IH: GUI idle\n");
4508                         break;
4509                 default:
4510                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4511                         break;
4512                 }
4513
4514                 /* wptr/rptr are in bytes! */
4515                 rptr += 16;
4516                 rptr &= rdev->ih.ptr_mask;
4517         }
4518         if (queue_hotplug)
4519                 schedule_work(&rdev->hotplug_work);
4520         if (queue_hdmi)
4521                 schedule_work(&rdev->audio_work);
4522         rdev->ih.rptr = rptr;
4523         WREG32(IH_RB_RPTR, rdev->ih.rptr);
4524         atomic_set(&rdev->ih.lock, 0);
4525
4526         /* make sure wptr hasn't changed while processing */
4527         wptr = r600_get_ih_wptr(rdev);
4528         if (wptr != rptr)
4529                 goto restart_ih;
4530
4531         return IRQ_HANDLED;
4532 }
4533
4534 /*
4535  * Debugfs info
4536  */
4537 #if defined(CONFIG_DEBUG_FS)
4538
4539 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4540 {
4541         struct drm_info_node *node = (struct drm_info_node *) m->private;
4542         struct drm_device *dev = node->minor->dev;
4543         struct radeon_device *rdev = dev->dev_private;
4544
4545         DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4546         DREG32_SYS(m, rdev, VM_L2_STATUS);
4547         return 0;
4548 }
4549
4550 static struct drm_info_list r600_mc_info_list[] = {
4551         {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
4552 };
4553 #endif
4554
4555 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4556 {
4557 #if defined(CONFIG_DEBUG_FS)
4558         return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4559 #else
4560         return 0;
4561 #endif
4562 }
4563
4564 /**
4565  * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
4566  * rdev: radeon device structure
4567  * bo: buffer object struct which userspace is waiting for idle
4568  *
4569  * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
4570  * through ring buffer, this leads to corruption in rendering, see
4571  * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
4572  * directly perform HDP flush by writing register through MMIO.
4573  */
4574 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
4575 {
4576         /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
4577          * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4578          * This seems to cause problems on some AGP cards. Just use the old
4579          * method for them.
4580          */
4581         if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4582             rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4583                 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
4584                 u32 tmp;
4585
4586                 WREG32(HDP_DEBUG1, 0);
4587                 tmp = readl((void __iomem *)ptr);
4588         } else
4589                 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4590 }
4591
4592 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4593 {
4594         u32 link_width_cntl, mask;
4595
4596         if (rdev->flags & RADEON_IS_IGP)
4597                 return;
4598
4599         if (!(rdev->flags & RADEON_IS_PCIE))
4600                 return;
4601
4602         /* x2 cards have a special sequence */
4603         if (ASIC_IS_X2(rdev))
4604                 return;
4605
4606         radeon_gui_idle(rdev);
4607
4608         switch (lanes) {
4609         case 0:
4610                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4611                 break;
4612         case 1:
4613                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4614                 break;
4615         case 2:
4616                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4617                 break;
4618         case 4:
4619                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4620                 break;
4621         case 8:
4622                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4623                 break;
4624         case 12:
4625                 /* not actually supported */
4626                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4627                 break;
4628         case 16:
4629                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4630                 break;
4631         default:
4632                 DRM_ERROR("invalid pcie lane request: %d\n", lanes);
4633                 return;
4634         }
4635
4636         link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4637         link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4638         link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4639         link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4640                             R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
4641
4642         WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4643 }
4644
4645 int r600_get_pcie_lanes(struct radeon_device *rdev)
4646 {
4647         u32 link_width_cntl;
4648
4649         if (rdev->flags & RADEON_IS_IGP)
4650                 return 0;
4651
4652         if (!(rdev->flags & RADEON_IS_PCIE))
4653                 return 0;
4654
4655         /* x2 cards have a special sequence */
4656         if (ASIC_IS_X2(rdev))
4657                 return 0;
4658
4659         radeon_gui_idle(rdev);
4660
4661         link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4662
4663         switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
4664         case RADEON_PCIE_LC_LINK_WIDTH_X1:
4665                 return 1;
4666         case RADEON_PCIE_LC_LINK_WIDTH_X2:
4667                 return 2;
4668         case RADEON_PCIE_LC_LINK_WIDTH_X4:
4669                 return 4;
4670         case RADEON_PCIE_LC_LINK_WIDTH_X8:
4671                 return 8;
4672         case RADEON_PCIE_LC_LINK_WIDTH_X12:
4673                 /* not actually supported */
4674                 return 12;
4675         case RADEON_PCIE_LC_LINK_WIDTH_X0:
4676         case RADEON_PCIE_LC_LINK_WIDTH_X16:
4677         default:
4678                 return 16;
4679         }
4680 }
4681
4682 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4683 {
4684         u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4685         u16 link_cntl2;
4686
4687         if (radeon_pcie_gen2 == 0)
4688                 return;
4689
4690         if (rdev->flags & RADEON_IS_IGP)
4691                 return;
4692
4693         if (!(rdev->flags & RADEON_IS_PCIE))
4694                 return;
4695
4696         /* x2 cards have a special sequence */
4697         if (ASIC_IS_X2(rdev))
4698                 return;
4699
4700         /* only RV6xx+ chips are supported */
4701         if (rdev->family <= CHIP_R600)
4702                 return;
4703
4704         if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
4705                 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
4706                 return;
4707
4708         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4709         if (speed_cntl & LC_CURRENT_DATA_RATE) {
4710                 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4711                 return;
4712         }
4713
4714         DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4715
4716         /* 55 nm r6xx asics */
4717         if ((rdev->family == CHIP_RV670) ||
4718             (rdev->family == CHIP_RV620) ||
4719             (rdev->family == CHIP_RV635)) {
4720                 /* advertise upconfig capability */
4721                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4722                 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4723                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4724                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4725                 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4726                         lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4727                         link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4728                                              LC_RECONFIG_ARC_MISSING_ESCAPE);
4729                         link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4730                         WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4731                 } else {
4732                         link_width_cntl |= LC_UPCONFIGURE_DIS;
4733                         WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4734                 }
4735         }
4736
4737         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4738         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4739             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4740
4741                 /* 55 nm r6xx asics */
4742                 if ((rdev->family == CHIP_RV670) ||
4743                     (rdev->family == CHIP_RV620) ||
4744                     (rdev->family == CHIP_RV635)) {
4745                         WREG32(MM_CFGREGS_CNTL, 0x8);
4746                         link_cntl2 = RREG32(0x4088);
4747                         WREG32(MM_CFGREGS_CNTL, 0);
4748                         /* not supported yet */
4749                         if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4750                                 return;
4751                 }
4752
4753                 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4754                 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4755                 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4756                 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4757                 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4758                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4759
4760                 tmp = RREG32(0x541c);
4761                 WREG32(0x541c, tmp | 0x8);
4762                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4763                 link_cntl2 = RREG16(0x4088);
4764                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4765                 link_cntl2 |= 0x2;
4766                 WREG16(0x4088, link_cntl2);
4767                 WREG32(MM_CFGREGS_CNTL, 0);
4768
4769                 if ((rdev->family == CHIP_RV670) ||
4770                     (rdev->family == CHIP_RV620) ||
4771                     (rdev->family == CHIP_RV635)) {
4772                         training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4773                         training_cntl &= ~LC_POINT_7_PLUS_EN;
4774                         WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4775                 } else {
4776                         speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4777                         speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4778                         WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4779                 }
4780
4781                 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4782                 speed_cntl |= LC_GEN2_EN_STRAP;
4783                 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4784
4785         } else {
4786                 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4787                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4788                 if (1)
4789                         link_width_cntl |= LC_UPCONFIGURE_DIS;
4790                 else
4791                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4792                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4793         }
4794 }
4795
4796 /**
4797  * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4798  *
4799  * @rdev: radeon_device pointer
4800  *
4801  * Fetches a GPU clock counter snapshot (R6xx-cayman).
4802  * Returns the 64 bit clock counter snapshot.
4803  */
4804 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4805 {
4806         uint64_t clock;
4807
4808         mutex_lock(&rdev->gpu_clock_mutex);
4809         WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4810         clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4811                 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4812         mutex_unlock(&rdev->gpu_clock_mutex);
4813         return clock;
4814 }