drivers/gpu/drm/radeon/r100.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/seq_file.h>
  29 #include <linux/slab.h>
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "radeon_drm.h"
  33 #include "radeon_reg.h"
  34 #include "radeon.h"
  35 #include "radeon_asic.h"
  36 #include "r100d.h"
  37 #include "rs100d.h"
  38 #include "rv200d.h"
  39 #include "rv250d.h"
  40 #include "atom.h"
  41
  42 #include <linux/firmware.h>
  43 #include <linux/platform_device.h>
  44 #include <linux/module.h>
  45
  46 #include "r100_reg_safe.h"
  47 #include "rn50_reg_safe.h"
  48
  49 /* Firmware Names */
  50 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  51 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  52 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  53 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  54 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  55 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  56 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  57
  58 MODULE_FIRMWARE(FIRMWARE_R100);
  59 MODULE_FIRMWARE(FIRMWARE_R200);
  60 MODULE_FIRMWARE(FIRMWARE_R300);
  61 MODULE_FIRMWARE(FIRMWARE_R420);
  62 MODULE_FIRMWARE(FIRMWARE_RS690);
  63 MODULE_FIRMWARE(FIRMWARE_RS600);
  64 MODULE_FIRMWARE(FIRMWARE_R520);
  65
  66 #include "r100_track.h"
  67
  68 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
  69 {
  70         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
  71         int i;
  72
  73         if (radeon_crtc->crtc_id == 0) {
  74                 if (RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN) {
  75                         for (i = 0; i < rdev->usec_timeout; i++) {
  76                                 if (!(RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR))
  77                                         break;
  78                                 udelay(1);
  79                         }
  80                         for (i = 0; i < rdev->usec_timeout; i++) {
  81                                 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
  82                                         break;
  83                                 udelay(1);
  84                         }
  85                 }
  86         } else {
  87                 if (RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN) {
  88                         for (i = 0; i < rdev->usec_timeout; i++) {
  89                                 if (!(RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR))
  90                                         break;
  91                                 udelay(1);
  92                         }
  93                         for (i = 0; i < rdev->usec_timeout; i++) {
  94                                 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
  95                                         break;
  96                                 udelay(1);
  97                         }
  98                 }
  99         }
 100 }
 101
 102 /* This files gather functions specifics to:
 103  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
 104  */
 105
 106 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
 107                             struct radeon_cs_packet *pkt,
 108                             unsigned idx,
 109                             unsigned reg)
 110 {
 111         int r;
 112         u32 tile_flags = 0;
 113         u32 tmp;
 114         struct radeon_cs_reloc *reloc;
 115         u32 value;
 116
 117         r = r100_cs_packet_next_reloc(p, &reloc);
 118         if (r) {
 119                 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 120                           idx, reg);
 121                 r100_cs_dump_packet(p, pkt);
 122                 return r;
 123         }
 124
 125         value = radeon_get_ib_value(p, idx);
 126         tmp = value & 0x003fffff;
 127         tmp += (((u32)reloc->lobj.gpu_offset) >> 10);
 128
 129         if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 130                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 131                         tile_flags |= RADEON_DST_TILE_MACRO;
 132                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
 133                         if (reg == RADEON_SRC_PITCH_OFFSET) {
 134                                 DRM_ERROR("Cannot src blit from microtiled surface\n");
 135                                 r100_cs_dump_packet(p, pkt);
 136                                 return -EINVAL;
 137                         }
 138                         tile_flags |= RADEON_DST_TILE_MICRO;
 139                 }
 140
 141                 tmp |= tile_flags;
 142                 p->ib->ptr[idx] = (value & 0x3fc00000) | tmp;
 143         } else
 144                 p->ib->ptr[idx] = (value & 0xffc00000) | tmp;
 145         return 0;
 146 }
 147
 148 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
 149                              struct radeon_cs_packet *pkt,
 150                              int idx)
 151 {
 152         unsigned c, i;
 153         struct radeon_cs_reloc *reloc;
 154         struct r100_cs_track *track;
 155         int r = 0;
 156         volatile uint32_t *ib;
 157         u32 idx_value;
 158
 159         ib = p->ib->ptr;
 160         track = (struct r100_cs_track *)p->track;
 161         c = radeon_get_ib_value(p, idx++) & 0x1F;
 162         if (c > 16) {
 163             DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
 164                       pkt->opcode);
 165             r100_cs_dump_packet(p, pkt);
 166             return -EINVAL;
 167         }
 168         track->num_arrays = c;
 169         for (i = 0; i < (c - 1); i+=2, idx+=3) {
 170                 r = r100_cs_packet_next_reloc(p, &reloc);
 171                 if (r) {
 172                         DRM_ERROR("No reloc for packet3 %d\n",
 173                                   pkt->opcode);
 174                         r100_cs_dump_packet(p, pkt);
 175                         return r;
 176                 }
 177                 idx_value = radeon_get_ib_value(p, idx);
 178                 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
 179
 180                 track->arrays[i + 0].esize = idx_value >> 8;
 181                 track->arrays[i + 0].robj = reloc->robj;
 182                 track->arrays[i + 0].esize &= 0x7F;
 183                 r = r100_cs_packet_next_reloc(p, &reloc);
 184                 if (r) {
 185                         DRM_ERROR("No reloc for packet3 %d\n",
 186                                   pkt->opcode);
 187                         r100_cs_dump_packet(p, pkt);
 188                         return r;
 189                 }
 190                 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->lobj.gpu_offset);
 191                 track->arrays[i + 1].robj = reloc->robj;
 192                 track->arrays[i + 1].esize = idx_value >> 24;
 193                 track->arrays[i + 1].esize &= 0x7F;
 194         }
 195         if (c & 1) {
 196                 r = r100_cs_packet_next_reloc(p, &reloc);
 197                 if (r) {
 198                         DRM_ERROR("No reloc for packet3 %d\n",
 199                                           pkt->opcode);
 200                         r100_cs_dump_packet(p, pkt);
 201                         return r;
 202                 }
 203                 idx_value = radeon_get_ib_value(p, idx);
 204                 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
 205                 track->arrays[i + 0].robj = reloc->robj;
 206                 track->arrays[i + 0].esize = idx_value >> 8;
 207                 track->arrays[i + 0].esize &= 0x7F;
 208         }
 209         return r;
 210 }
 211
 212 void r100_pre_page_flip(struct radeon_device *rdev, int crtc)
 213 {
 214         /* enable the pflip int */
 215         radeon_irq_kms_pflip_irq_get(rdev, crtc);
 216 }
 217
 218 void r100_post_page_flip(struct radeon_device *rdev, int crtc)
 219 {
 220         /* disable the pflip int */
 221         radeon_irq_kms_pflip_irq_put(rdev, crtc);
 222 }
 223
 224 u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 225 {
 226         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 227         u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
 228         int i;
 229
 230         /* Lock the graphics update lock */
 231         /* update the scanout addresses */
 232         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 233
 234         /* Wait for update_pending to go high. */
 235         for (i = 0; i < rdev->usec_timeout; i++) {
 236                 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
 237                         break;
 238                 udelay(1);
 239         }
 240         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 241
 242         /* Unlock the lock, so double-buffering can take place inside vblank */
 243         tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
 244         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 245
 246         /* Return current update_pending status: */
 247         return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET;
 248 }
 249
 250 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 251 {
 252         int i;
 253         rdev->pm.dynpm_can_upclock = true;
 254         rdev->pm.dynpm_can_downclock = true;
 255
 256         switch (rdev->pm.dynpm_planned_action) {
 257         case DYNPM_ACTION_MINIMUM:
 258                 rdev->pm.requested_power_state_index = 0;
 259                 rdev->pm.dynpm_can_downclock = false;
 260                 break;
 261         case DYNPM_ACTION_DOWNCLOCK:
 262                 if (rdev->pm.current_power_state_index == 0) {
 263                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 264                         rdev->pm.dynpm_can_downclock = false;
 265                 } else {
 266                         if (rdev->pm.active_crtc_count > 1) {
 267                                 for (i = 0; i < rdev->pm.num_power_states; i++) {
 268                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 269                                                 continue;
 270                                         else if (i >= rdev->pm.current_power_state_index) {
 271                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 272                                                 break;
 273                                         } else {
 274                                                 rdev->pm.requested_power_state_index = i;
 275                                                 break;
 276                                         }
 277                                 }
 278                         } else
 279                                 rdev->pm.requested_power_state_index =
 280                                         rdev->pm.current_power_state_index - 1;
 281                 }
 282                 /* don't use the power state if crtcs are active and no display flag is set */
 283                 if ((rdev->pm.active_crtc_count > 0) &&
 284                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
 285                      RADEON_PM_MODE_NO_DISPLAY)) {
 286                         rdev->pm.requested_power_state_index++;
 287                 }
 288                 break;
 289         case DYNPM_ACTION_UPCLOCK:
 290                 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 291                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 292                         rdev->pm.dynpm_can_upclock = false;
 293                 } else {
 294                         if (rdev->pm.active_crtc_count > 1) {
 295                                 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 296                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 297                                                 continue;
 298                                         else if (i <= rdev->pm.current_power_state_index) {
 299                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 300                                                 break;
 301                                         } else {
 302                                                 rdev->pm.requested_power_state_index = i;
 303                                                 break;
 304                                         }
 305                                 }
 306                         } else
 307                                 rdev->pm.requested_power_state_index =
 308                                         rdev->pm.current_power_state_index + 1;
 309                 }
 310                 break;
 311         case DYNPM_ACTION_DEFAULT:
 312                 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 313                 rdev->pm.dynpm_can_upclock = false;
 314                 break;
 315         case DYNPM_ACTION_NONE:
 316         default:
 317                 DRM_ERROR("Requested mode for not defined action\n");
 318                 return;
 319         }
 320         /* only one clock mode per power state */
 321         rdev->pm.requested_clock_mode_index = 0;
 322
 323         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 324                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 325                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 326                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 327                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 328                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 329                   pcie_lanes);
 330 }
 331
 332 void r100_pm_init_profile(struct radeon_device *rdev)
 333 {
 334         /* default */
 335         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 336         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 337         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 338         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 339         /* low sh */
 340         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 341         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 342         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 343         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 344         /* mid sh */
 345         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 346         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 347         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 348         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 349         /* high sh */
 350         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 351         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 352         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 353         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 354         /* low mh */
 355         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 356         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 357         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 358         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 359         /* mid mh */
 360         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 361         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 362         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 363         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 364         /* high mh */
 365         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 366         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 367         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 368         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 369 }
 370
 371 void r100_pm_misc(struct radeon_device *rdev)
 372 {
 373         int requested_index = rdev->pm.requested_power_state_index;
 374         struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 375         struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 376         u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
 377
 378         if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 379                 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 380                         tmp = RREG32(voltage->gpio.reg);
 381                         if (voltage->active_high)
 382                                 tmp |= voltage->gpio.mask;
 383                         else
 384                                 tmp &= ~(voltage->gpio.mask);
 385                         WREG32(voltage->gpio.reg, tmp);
 386                         if (voltage->delay)
 387                                 udelay(voltage->delay);
 388                 } else {
 389                         tmp = RREG32(voltage->gpio.reg);
 390                         if (voltage->active_high)
 391                                 tmp &= ~voltage->gpio.mask;
 392                         else
 393                                 tmp |= voltage->gpio.mask;
 394                         WREG32(voltage->gpio.reg, tmp);
 395                         if (voltage->delay)
 396                                 udelay(voltage->delay);
 397                 }
 398         }
 399
 400         sclk_cntl = RREG32_PLL(SCLK_CNTL);
 401         sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
 402         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
 403         sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
 404         sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
 405         if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 406                 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
 407                 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
 408                         sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
 409                 else
 410                         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
 411                 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
 412                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
 413                 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
 414                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
 415         } else
 416                 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
 417
 418         if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 419                 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
 420                 if (voltage->delay) {
 421                         sclk_more_cntl |= VOLTAGE_DROP_SYNC;
 422                         switch (voltage->delay) {
 423                         case 33:
 424                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
 425                                 break;
 426                         case 66:
 427                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
 428                                 break;
 429                         case 99:
 430                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
 431                                 break;
 432                         case 132:
 433                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
 434                                 break;
 435                         }
 436                 } else
 437                         sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
 438         } else
 439                 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
 440
 441         if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 442                 sclk_cntl &= ~FORCE_HDP;
 443         else
 444                 sclk_cntl |= FORCE_HDP;
 445
 446         WREG32_PLL(SCLK_CNTL, sclk_cntl);
 447         WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
 448         WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
 449
 450         /* set pcie lanes */
 451         if ((rdev->flags & RADEON_IS_PCIE) &&
 452             !(rdev->flags & RADEON_IS_IGP) &&
 453             rdev->asic->pm.set_pcie_lanes &&
 454             (ps->pcie_lanes !=
 455              rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 456                 radeon_set_pcie_lanes(rdev,
 457                                       ps->pcie_lanes);
 458                 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
 459         }
 460 }
 461
 462 void r100_pm_prepare(struct radeon_device *rdev)
 463 {
 464         struct drm_device *ddev = rdev->ddev;
 465         struct drm_crtc *crtc;
 466         struct radeon_crtc *radeon_crtc;
 467         u32 tmp;
 468
 469         /* disable any active CRTCs */
 470         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 471                 radeon_crtc = to_radeon_crtc(crtc);
 472                 if (radeon_crtc->enabled) {
 473                         if (radeon_crtc->crtc_id) {
 474                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 475                                 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
 476                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 477                         } else {
 478                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 479                                 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
 480                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 481                         }
 482                 }
 483         }
 484 }
 485
 486 void r100_pm_finish(struct radeon_device *rdev)
 487 {
 488         struct drm_device *ddev = rdev->ddev;
 489         struct drm_crtc *crtc;
 490         struct radeon_crtc *radeon_crtc;
 491         u32 tmp;
 492
 493         /* enable any active CRTCs */
 494         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 495                 radeon_crtc = to_radeon_crtc(crtc);
 496                 if (radeon_crtc->enabled) {
 497                         if (radeon_crtc->crtc_id) {
 498                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 499                                 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
 500                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 501                         } else {
 502                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 503                                 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
 504                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 505                         }
 506                 }
 507         }
 508 }
 509
 510 bool r100_gui_idle(struct radeon_device *rdev)
 511 {
 512         if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
 513                 return false;
 514         else
 515                 return true;
 516 }
 517
 518 /* hpd for digital panel detect/disconnect */
 519 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 520 {
 521         bool connected = false;
 522
 523         switch (hpd) {
 524         case RADEON_HPD_1:
 525                 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
 526                         connected = true;
 527                 break;
 528         case RADEON_HPD_2:
 529                 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
 530                         connected = true;
 531                 break;
 532         default:
 533                 break;
 534         }
 535         return connected;
 536 }
 537
 538 void r100_hpd_set_polarity(struct radeon_device *rdev,
 539                            enum radeon_hpd_id hpd)
 540 {
 541         u32 tmp;
 542         bool connected = r100_hpd_sense(rdev, hpd);
 543
 544         switch (hpd) {
 545         case RADEON_HPD_1:
 546                 tmp = RREG32(RADEON_FP_GEN_CNTL);
 547                 if (connected)
 548                         tmp &= ~RADEON_FP_DETECT_INT_POL;
 549                 else
 550                         tmp |= RADEON_FP_DETECT_INT_POL;
 551                 WREG32(RADEON_FP_GEN_CNTL, tmp);
 552                 break;
 553         case RADEON_HPD_2:
 554                 tmp = RREG32(RADEON_FP2_GEN_CNTL);
 555                 if (connected)
 556                         tmp &= ~RADEON_FP2_DETECT_INT_POL;
 557                 else
 558                         tmp |= RADEON_FP2_DETECT_INT_POL;
 559                 WREG32(RADEON_FP2_GEN_CNTL, tmp);
 560                 break;
 561         default:
 562                 break;
 563         }
 564 }
 565
 566 void r100_hpd_init(struct radeon_device *rdev)
 567 {
 568         struct drm_device *dev = rdev->ddev;
 569         struct drm_connector *connector;
 570
 571         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 572                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 573                 switch (radeon_connector->hpd.hpd) {
 574                 case RADEON_HPD_1:
 575                         rdev->irq.hpd[0] = true;
 576                         break;
 577                 case RADEON_HPD_2:
 578                         rdev->irq.hpd[1] = true;
 579                         break;
 580                 default:
 581                         break;
 582                 }
 583                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 584         }
 585         if (rdev->irq.installed)
 586                 r100_irq_set(rdev);
 587 }
 588
 589 void r100_hpd_fini(struct radeon_device *rdev)
 590 {
 591         struct drm_device *dev = rdev->ddev;
 592         struct drm_connector *connector;
 593
 594         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 595                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 596                 switch (radeon_connector->hpd.hpd) {
 597                 case RADEON_HPD_1:
 598                         rdev->irq.hpd[0] = false;
 599                         break;
 600                 case RADEON_HPD_2:
 601                         rdev->irq.hpd[1] = false;
 602                         break;
 603                 default:
 604                         break;
 605                 }
 606         }
 607 }
 608
 609 /*
 610  * PCI GART
 611  */
 612 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 613 {
 614         /* TODO: can we do somethings here ? */
 615         /* It seems hw only cache one entry so we should discard this
 616          * entry otherwise if first GPU GART read hit this entry it
 617          * could end up in wrong address. */
 618 }
 619
 620 int r100_pci_gart_init(struct radeon_device *rdev)
 621 {
 622         int r;
 623
 624         if (rdev->gart.ptr) {
 625                 WARN(1, "R100 PCI GART already initialized\n");
 626                 return 0;
 627         }
 628         /* Initialize common gart structure */
 629         r = radeon_gart_init(rdev);
 630         if (r)
 631                 return r;
 632         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 633         rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
 634         rdev->asic->gart.set_page = &r100_pci_gart_set_page;
 635         return radeon_gart_table_ram_alloc(rdev);
 636 }
 637
 638 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
 639 void r100_enable_bm(struct radeon_device *rdev)
 640 {
 641         uint32_t tmp;
 642         /* Enable bus mastering */
 643         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 644         WREG32(RADEON_BUS_CNTL, tmp);
 645 }
 646
 647 int r100_pci_gart_enable(struct radeon_device *rdev)
 648 {
 649         uint32_t tmp;
 650
 651         radeon_gart_restore(rdev);
 652         /* discard memory request outside of configured range */
 653         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 654         WREG32(RADEON_AIC_CNTL, tmp);
 655         /* set address range for PCI address translate */
 656         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 657         WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 658         /* set PCI GART page-table base address */
 659         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 660         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 661         WREG32(RADEON_AIC_CNTL, tmp);
 662         r100_pci_gart_tlb_flush(rdev);
 663         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 664                  (unsigned)(rdev->mc.gtt_size >> 20),
 665                  (unsigned long long)rdev->gart.table_addr);
 666         rdev->gart.ready = true;
 667         return 0;
 668 }
 669
 670 void r100_pci_gart_disable(struct radeon_device *rdev)
 671 {
 672         uint32_t tmp;
 673
 674         /* discard memory request outside of configured range */
 675         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 676         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 677         WREG32(RADEON_AIC_LO_ADDR, 0);
 678         WREG32(RADEON_AIC_HI_ADDR, 0);
 679 }
 680
 681 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 682 {
 683         u32 *gtt = rdev->gart.ptr;
 684
 685         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 686                 return -EINVAL;
 687         }
 688         gtt[i] = cpu_to_le32(lower_32_bits(addr));
 689         return 0;
 690 }
 691
 692 void r100_pci_gart_fini(struct radeon_device *rdev)
 693 {
 694         radeon_gart_fini(rdev);
 695         r100_pci_gart_disable(rdev);
 696         radeon_gart_table_ram_free(rdev);
 697 }
 698
 699 int r100_irq_set(struct radeon_device *rdev)
 700 {
 701         uint32_t tmp = 0;
 702
 703         if (!rdev->irq.installed) {
 704                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 705                 WREG32(R_000040_GEN_INT_CNTL, 0);
 706                 return -EINVAL;
 707         }
 708         if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) {
 709                 tmp |= RADEON_SW_INT_ENABLE;
 710         }
 711         if (rdev->irq.gui_idle) {
 712                 tmp |= RADEON_GUI_IDLE_MASK;
 713         }
 714         if (rdev->irq.crtc_vblank_int[0] ||
 715             rdev->irq.pflip[0]) {
 716                 tmp |= RADEON_CRTC_VBLANK_MASK;
 717         }
 718         if (rdev->irq.crtc_vblank_int[1] ||
 719             rdev->irq.pflip[1]) {
 720                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 721         }
 722         if (rdev->irq.hpd[0]) {
 723                 tmp |= RADEON_FP_DETECT_MASK;
 724         }
 725         if (rdev->irq.hpd[1]) {
 726                 tmp |= RADEON_FP2_DETECT_MASK;
 727         }
 728         WREG32(RADEON_GEN_INT_CNTL, tmp);
 729         return 0;
 730 }
 731
 732 void r100_irq_disable(struct radeon_device *rdev)
 733 {
 734         u32 tmp;
 735
 736         WREG32(R_000040_GEN_INT_CNTL, 0);
 737         /* Wait and acknowledge irq */
 738         mdelay(1);
 739         tmp = RREG32(R_000044_GEN_INT_STATUS);
 740         WREG32(R_000044_GEN_INT_STATUS, tmp);
 741 }
 742
 743 static uint32_t r100_irq_ack(struct radeon_device *rdev)
 744 {
 745         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 746         uint32_t irq_mask = RADEON_SW_INT_TEST |
 747                 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 748                 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 749
 750         /* the interrupt works, but the status bit is permanently asserted */
 751         if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
 752                 if (!rdev->irq.gui_idle_acked)
 753                         irq_mask |= RADEON_GUI_IDLE_STAT;
 754         }
 755
 756         if (irqs) {
 757                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 758         }
 759         return irqs & irq_mask;
 760 }
 761
 762 int r100_irq_process(struct radeon_device *rdev)
 763 {
 764         uint32_t status, msi_rearm;
 765         bool queue_hotplug = false;
 766
 767         /* reset gui idle ack.  the status bit is broken */
 768         rdev->irq.gui_idle_acked = false;
 769
 770         status = r100_irq_ack(rdev);
 771         if (!status) {
 772                 return IRQ_NONE;
 773         }
 774         if (rdev->shutdown) {
 775                 return IRQ_NONE;
 776         }
 777         while (status) {
 778                 /* SW interrupt */
 779                 if (status & RADEON_SW_INT_TEST) {
 780                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 781                 }
 782                 /* gui idle interrupt */
 783                 if (status & RADEON_GUI_IDLE_STAT) {
 784                         rdev->irq.gui_idle_acked = true;
 785                         rdev->pm.gui_idle = true;
 786                         wake_up(&rdev->irq.idle_queue);
 787                 }
 788                 /* Vertical blank interrupts */
 789                 if (status & RADEON_CRTC_VBLANK_STAT) {
 790                         if (rdev->irq.crtc_vblank_int[0]) {
 791                                 drm_handle_vblank(rdev->ddev, 0);
 792                                 rdev->pm.vblank_sync = true;
 793                                 wake_up(&rdev->irq.vblank_queue);
 794                         }
 795                         if (rdev->irq.pflip[0])
 796                                 radeon_crtc_handle_flip(rdev, 0);
 797                 }
 798                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 799                         if (rdev->irq.crtc_vblank_int[1]) {
 800                                 drm_handle_vblank(rdev->ddev, 1);
 801                                 rdev->pm.vblank_sync = true;
 802                                 wake_up(&rdev->irq.vblank_queue);
 803                         }
 804                         if (rdev->irq.pflip[1])
 805                                 radeon_crtc_handle_flip(rdev, 1);
 806                 }
 807                 if (status & RADEON_FP_DETECT_STAT) {
 808                         queue_hotplug = true;
 809                         DRM_DEBUG("HPD1\n");
 810                 }
 811                 if (status & RADEON_FP2_DETECT_STAT) {
 812                         queue_hotplug = true;
 813                         DRM_DEBUG("HPD2\n");
 814                 }
 815                 status = r100_irq_ack(rdev);
 816         }
 817         /* reset gui idle ack.  the status bit is broken */
 818         rdev->irq.gui_idle_acked = false;
 819         if (queue_hotplug)
 820                 schedule_work(&rdev->hotplug_work);
 821         if (rdev->msi_enabled) {
 822                 switch (rdev->family) {
 823                 case CHIP_RS400:
 824                 case CHIP_RS480:
 825                         msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 826                         WREG32(RADEON_AIC_CNTL, msi_rearm);
 827                         WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 828                         break;
 829                 default:
 830                         WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 831                         break;
 832                 }
 833         }
 834         return IRQ_HANDLED;
 835 }
 836
 837 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 838 {
 839         if (crtc == 0)
 840                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 841         else
 842                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 843 }
 844
 845 /* Who ever call radeon_fence_emit should call ring_lock and ask
 846  * for enough space (today caller are ib schedule and buffer move) */
 847 void r100_fence_ring_emit(struct radeon_device *rdev,
 848                           struct radeon_fence *fence)
 849 {
 850         struct radeon_ring *ring = &rdev->ring[fence->ring];
 851
 852         /* We have to make sure that caches are flushed before
 853          * CPU might read something from VRAM. */
 854         radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 855         radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
 856         radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 857         radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
 858         /* Wait until IDLE & CLEAN */
 859         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 860         radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 861         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 862         radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
 863                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 864         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 865         radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
 866         /* Emit fence sequence & fire IRQ */
 867         radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 868         radeon_ring_write(ring, fence->seq);
 869         radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 870         radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 871 }
 872
 873 void r100_semaphore_ring_emit(struct radeon_device *rdev,
 874                               struct radeon_ring *ring,
 875                               struct radeon_semaphore *semaphore,
 876                               bool emit_wait)
 877 {
 878         /* Unused on older asics, since we don't have semaphores or multiple rings */
 879         BUG();
 880 }
 881
 882 int r100_copy_blit(struct radeon_device *rdev,
 883                    uint64_t src_offset,
 884                    uint64_t dst_offset,
 885                    unsigned num_gpu_pages,
 886                    struct radeon_fence *fence)
 887 {
 888         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 889         uint32_t cur_pages;
 890         uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
 891         uint32_t pitch;
 892         uint32_t stride_pixels;
 893         unsigned ndw;
 894         int num_loops;
 895         int r = 0;
 896
 897         /* radeon limited to 16k stride */
 898         stride_bytes &= 0x3fff;
 899         /* radeon pitch is /64 */
 900         pitch = stride_bytes / 64;
 901         stride_pixels = stride_bytes / 4;
 902         num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 903
 904         /* Ask for enough room for blit + flush + fence */
 905         ndw = 64 + (10 * num_loops);
 906         r = radeon_ring_lock(rdev, ring, ndw);
 907         if (r) {
 908                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 909                 return -EINVAL;
 910         }
 911         while (num_gpu_pages > 0) {
 912                 cur_pages = num_gpu_pages;
 913                 if (cur_pages > 8191) {
 914                         cur_pages = 8191;
 915                 }
 916                 num_gpu_pages -= cur_pages;
 917
 918                 /* pages are in Y direction - height
 919                    page width in X direction - width */
 920                 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
 921                 radeon_ring_write(ring,
 922                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 923                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 924                                   RADEON_GMC_SRC_CLIPPING |
 925                                   RADEON_GMC_DST_CLIPPING |
 926                                   RADEON_GMC_BRUSH_NONE |
 927                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 928                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 929                                   RADEON_ROP3_S |
 930                                   RADEON_DP_SRC_SOURCE_MEMORY |
 931                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 932                                   RADEON_GMC_WR_MSK_DIS);
 933                 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
 934                 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
 935                 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 936                 radeon_ring_write(ring, 0);
 937                 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 938                 radeon_ring_write(ring, num_gpu_pages);
 939                 radeon_ring_write(ring, num_gpu_pages);
 940                 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
 941         }
 942         radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 943         radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
 944         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 945         radeon_ring_write(ring,
 946                           RADEON_WAIT_2D_IDLECLEAN |
 947                           RADEON_WAIT_HOST_IDLECLEAN |
 948                           RADEON_WAIT_DMA_GUI_IDLE);
 949         if (fence) {
 950                 r = radeon_fence_emit(rdev, fence);
 951         }
 952         radeon_ring_unlock_commit(rdev, ring);
 953         return r;
 954 }
 955
 956 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 957 {
 958         unsigned i;
 959         u32 tmp;
 960
 961         for (i = 0; i < rdev->usec_timeout; i++) {
 962                 tmp = RREG32(R_000E40_RBBM_STATUS);
 963                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 964                         return 0;
 965                 }
 966                 udelay(1);
 967         }
 968         return -1;
 969 }
 970
 971 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 972 {
 973         int r;
 974
 975         r = radeon_ring_lock(rdev, ring, 2);
 976         if (r) {
 977                 return;
 978         }
 979         radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 980         radeon_ring_write(ring,
 981                           RADEON_ISYNC_ANY2D_IDLE3D |
 982                           RADEON_ISYNC_ANY3D_IDLE2D |
 983                           RADEON_ISYNC_WAIT_IDLEGUI |
 984                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 985         radeon_ring_unlock_commit(rdev, ring);
 986 }
 987
 988
 989 /* Load the microcode for the CP */
 990 static int r100_cp_init_microcode(struct radeon_device *rdev)
 991 {
 992         struct platform_device *pdev;
 993         const char *fw_name = NULL;
 994         int err;
 995
 996         DRM_DEBUG_KMS("\n");
 997
 998         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
 999         err = IS_ERR(pdev);
1000         if (err) {
1001                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
1002                 return -EINVAL;
1003         }
1004         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1005             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1006             (rdev->family == CHIP_RS200)) {
1007                 DRM_INFO("Loading R100 Microcode\n");
1008                 fw_name = FIRMWARE_R100;
1009         } else if ((rdev->family == CHIP_R200) ||
1010                    (rdev->family == CHIP_RV250) ||
1011                    (rdev->family == CHIP_RV280) ||
1012                    (rdev->family == CHIP_RS300)) {
1013                 DRM_INFO("Loading R200 Microcode\n");
1014                 fw_name = FIRMWARE_R200;
1015         } else if ((rdev->family == CHIP_R300) ||
1016                    (rdev->family == CHIP_R350) ||
1017                    (rdev->family == CHIP_RV350) ||
1018                    (rdev->family == CHIP_RV380) ||
1019                    (rdev->family == CHIP_RS400) ||
1020                    (rdev->family == CHIP_RS480)) {
1021                 DRM_INFO("Loading R300 Microcode\n");
1022                 fw_name = FIRMWARE_R300;
1023         } else if ((rdev->family == CHIP_R420) ||
1024                    (rdev->family == CHIP_R423) ||
1025                    (rdev->family == CHIP_RV410)) {
1026                 DRM_INFO("Loading R400 Microcode\n");
1027                 fw_name = FIRMWARE_R420;
1028         } else if ((rdev->family == CHIP_RS690) ||
1029                    (rdev->family == CHIP_RS740)) {
1030                 DRM_INFO("Loading RS690/RS740 Microcode\n");
1031                 fw_name = FIRMWARE_RS690;
1032         } else if (rdev->family == CHIP_RS600) {
1033                 DRM_INFO("Loading RS600 Microcode\n");
1034                 fw_name = FIRMWARE_RS600;
1035         } else if ((rdev->family == CHIP_RV515) ||
1036                    (rdev->family == CHIP_R520) ||
1037                    (rdev->family == CHIP_RV530) ||
1038                    (rdev->family == CHIP_R580) ||
1039                    (rdev->family == CHIP_RV560) ||
1040                    (rdev->family == CHIP_RV570)) {
1041                 DRM_INFO("Loading R500 Microcode\n");
1042                 fw_name = FIRMWARE_R520;
1043         }
1044
1045         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
1046         platform_device_unregister(pdev);
1047         if (err) {
1048                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
1049                        fw_name);
1050         } else if (rdev->me_fw->size % 8) {
1051                 printk(KERN_ERR
1052                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1053                        rdev->me_fw->size, fw_name);
1054                 err = -EINVAL;
1055                 release_firmware(rdev->me_fw);
1056                 rdev->me_fw = NULL;
1057         }
1058         return err;
1059 }
1060
1061 static void r100_cp_load_microcode(struct radeon_device *rdev)
1062 {
1063         const __be32 *fw_data;
1064         int i, size;
1065
1066         if (r100_gui_wait_for_idle(rdev)) {
1067                 printk(KERN_WARNING "Failed to wait GUI idle while "
1068                        "programming pipes. Bad things might happen.\n");
1069         }
1070
1071         if (rdev->me_fw) {
1072                 size = rdev->me_fw->size / 4;
1073                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1074                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1075                 for (i = 0; i < size; i += 2) {
1076                         WREG32(RADEON_CP_ME_RAM_DATAH,
1077                                be32_to_cpup(&fw_data[i]));
1078                         WREG32(RADEON_CP_ME_RAM_DATAL,
1079                                be32_to_cpup(&fw_data[i + 1]));
1080                 }
1081         }
1082 }
1083
1084 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1085 {
1086         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1087         unsigned rb_bufsz;
1088         unsigned rb_blksz;
1089         unsigned max_fetch;
1090         unsigned pre_write_timer;
1091         unsigned pre_write_limit;
1092         unsigned indirect2_start;
1093         unsigned indirect1_start;
1094         uint32_t tmp;
1095         int r;
1096
1097         if (r100_debugfs_cp_init(rdev)) {
1098                 DRM_ERROR("Failed to register debugfs file for CP !\n");
1099         }
1100         if (!rdev->me_fw) {
1101                 r = r100_cp_init_microcode(rdev);
1102                 if (r) {
1103                         DRM_ERROR("Failed to load firmware!\n");
1104                         return r;
1105                 }
1106         }
1107
1108         /* Align ring size */
1109         rb_bufsz = drm_order(ring_size / 8);
1110         ring_size = (1 << (rb_bufsz + 1)) * 4;
1111         r100_cp_load_microcode(rdev);
1112         r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1113                              RADEON_CP_RB_RPTR, RADEON_CP_RB_WPTR,
1114                              0, 0x7fffff, RADEON_CP_PACKET2);
1115         if (r) {
1116                 return r;
1117         }
1118         /* Each time the cp read 1024 bytes (16 dword/quadword) update
1119          * the rptr copy in system ram */
1120         rb_blksz = 9;
1121         /* cp will read 128bytes at a time (4 dwords) */
1122         max_fetch = 1;
1123         ring->align_mask = 16 - 1;
1124         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1125         pre_write_timer = 64;
1126         /* Force CP_RB_WPTR write if written more than one time before the
1127          * delay expire
1128          */
1129         pre_write_limit = 0;
1130         /* Setup the cp cache like this (cache size is 96 dwords) :
1131          *      RING            0  to 15
1132          *      INDIRECT1       16 to 79
1133          *      INDIRECT2       80 to 95
1134          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1135          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1136          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1137          * Idea being that most of the gpu cmd will be through indirect1 buffer
1138          * so it gets the bigger cache.
1139          */
1140         indirect2_start = 80;
1141         indirect1_start = 16;
1142         /* cp setup */
1143         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1144         tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1145                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1146                REG_SET(RADEON_MAX_FETCH, max_fetch));
1147 #ifdef __BIG_ENDIAN
1148         tmp |= RADEON_BUF_SWAP_32BIT;
1149 #endif
1150         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1151
1152         /* Set ring address */
1153         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1154         WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1155         /* Force read & write ptr to 0 */
1156         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1157         WREG32(RADEON_CP_RB_RPTR_WR, 0);
1158         ring->wptr = 0;
1159         WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1160
1161         /* set the wb address whether it's enabled or not */
1162         WREG32(R_00070C_CP_RB_RPTR_ADDR,
1163                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1164         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1165
1166         if (rdev->wb.enabled)
1167                 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1168         else {
1169                 tmp |= RADEON_RB_NO_UPDATE;
1170                 WREG32(R_000770_SCRATCH_UMSK, 0);
1171         }
1172
1173         WREG32(RADEON_CP_RB_CNTL, tmp);
1174         udelay(10);
1175         ring->rptr = RREG32(RADEON_CP_RB_RPTR);
1176         /* Set cp mode to bus mastering & enable cp*/
1177         WREG32(RADEON_CP_CSQ_MODE,
1178                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1179                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1180         WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1181         WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1182         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1183
1184         /* at this point everything should be setup correctly to enable master */
1185         pci_set_master(rdev->pdev);
1186
1187         radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1188         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1189         if (r) {
1190                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1191                 return r;
1192         }
1193         ring->ready = true;
1194         radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1195         return 0;
1196 }
1197
1198 void r100_cp_fini(struct radeon_device *rdev)
1199 {
1200         if (r100_cp_wait_for_idle(rdev)) {
1201                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1202         }
1203         /* Disable ring */
1204         r100_cp_disable(rdev);
1205         radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1206         DRM_INFO("radeon: cp finalized\n");
1207 }
1208
1209 void r100_cp_disable(struct radeon_device *rdev)
1210 {
1211         /* Disable ring */
1212         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1213         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1214         WREG32(RADEON_CP_CSQ_MODE, 0);
1215         WREG32(RADEON_CP_CSQ_CNTL, 0);
1216         WREG32(R_000770_SCRATCH_UMSK, 0);
1217         if (r100_gui_wait_for_idle(rdev)) {
1218                 printk(KERN_WARNING "Failed to wait GUI idle while "
1219                        "programming pipes. Bad things might happen.\n");
1220         }
1221 }
1222
1223 /*
1224  * CS functions
1225  */
1226 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1227                           struct radeon_cs_packet *pkt,
1228                           const unsigned *auth, unsigned n,
1229                           radeon_packet0_check_t check)
1230 {
1231         unsigned reg;
1232         unsigned i, j, m;
1233         unsigned idx;
1234         int r;
1235
1236         idx = pkt->idx + 1;
1237         reg = pkt->reg;
1238         /* Check that register fall into register range
1239          * determined by the number of entry (n) in the
1240          * safe register bitmap.
1241          */
1242         if (pkt->one_reg_wr) {
1243                 if ((reg >> 7) > n) {
1244                         return -EINVAL;
1245                 }
1246         } else {
1247                 if (((reg + (pkt->count << 2)) >> 7) > n) {
1248                         return -EINVAL;
1249                 }
1250         }
1251         for (i = 0; i <= pkt->count; i++, idx++) {
1252                 j = (reg >> 7);
1253                 m = 1 << ((reg >> 2) & 31);
1254                 if (auth[j] & m) {
1255                         r = check(p, pkt, idx, reg);
1256                         if (r) {
1257                                 return r;
1258                         }
1259                 }
1260                 if (pkt->one_reg_wr) {
1261                         if (!(auth[j] & m)) {
1262                                 break;
1263                         }
1264                 } else {
1265                         reg += 4;
1266                 }
1267         }
1268         return 0;
1269 }
1270
1271 void r100_cs_dump_packet(struct radeon_cs_parser *p,
1272                          struct radeon_cs_packet *pkt)
1273 {
1274         volatile uint32_t *ib;
1275         unsigned i;
1276         unsigned idx;
1277
1278         ib = p->ib->ptr;
1279         idx = pkt->idx;
1280         for (i = 0; i <= (pkt->count + 1); i++, idx++) {
1281                 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
1282         }
1283 }
1284
1285 /**
1286  * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
1287  * @parser:     parser structure holding parsing context.
1288  * @pkt:        where to store packet informations
1289  *
1290  * Assume that chunk_ib_index is properly set. Will return -EINVAL
1291  * if packet is bigger than remaining ib size. or if packets is unknown.
1292  **/
1293 int r100_cs_packet_parse(struct radeon_cs_parser *p,
1294                          struct radeon_cs_packet *pkt,
1295                          unsigned idx)
1296 {
1297         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
1298         uint32_t header;
1299
1300         if (idx >= ib_chunk->length_dw) {
1301                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
1302                           idx, ib_chunk->length_dw);
1303                 return -EINVAL;
1304         }
1305         header = radeon_get_ib_value(p, idx);
1306         pkt->idx = idx;
1307         pkt->type = CP_PACKET_GET_TYPE(header);
1308         pkt->count = CP_PACKET_GET_COUNT(header);
1309         switch (pkt->type) {
1310         case PACKET_TYPE0:
1311                 pkt->reg = CP_PACKET0_GET_REG(header);
1312                 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
1313                 break;
1314         case PACKET_TYPE3:
1315                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
1316                 break;
1317         case PACKET_TYPE2:
1318                 pkt->count = -1;
1319                 break;
1320         default:
1321                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
1322                 return -EINVAL;
1323         }
1324         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
1325                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
1326                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
1327                 return -EINVAL;
1328         }
1329         return 0;
1330 }
1331
1332 /**
1333  * r100_cs_packet_next_vline() - parse userspace VLINE packet
1334  * @parser:             parser structure holding parsing context.
1335  *
1336  * Userspace sends a special sequence for VLINE waits.
1337  * PACKET0 - VLINE_START_END + value
1338  * PACKET0 - WAIT_UNTIL +_value
1339  * RELOC (P3) - crtc_id in reloc.
1340  *
1341  * This function parses this and relocates the VLINE START END
1342  * and WAIT UNTIL packets to the correct crtc.
1343  * It also detects a switched off crtc and nulls out the
1344  * wait in that case.
1345  */
1346 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1347 {
1348         struct drm_mode_object *obj;
1349         struct drm_crtc *crtc;
1350         struct radeon_crtc *radeon_crtc;
1351         struct radeon_cs_packet p3reloc, waitreloc;
1352         int crtc_id;
1353         int r;
1354         uint32_t header, h_idx, reg;
1355         volatile uint32_t *ib;
1356
1357         ib = p->ib->ptr;
1358
1359         /* parse the wait until */
1360         r = r100_cs_packet_parse(p, &waitreloc, p->idx);
1361         if (r)
1362                 return r;
1363
1364         /* check its a wait until and only 1 count */
1365         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1366             waitreloc.count != 0) {
1367                 DRM_ERROR("vline wait had illegal wait until segment\n");
1368                 return -EINVAL;
1369         }
1370
1371         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1372                 DRM_ERROR("vline wait had illegal wait until\n");
1373                 return -EINVAL;
1374         }
1375
1376         /* jump over the NOP */
1377         r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1378         if (r)
1379                 return r;
1380
1381         h_idx = p->idx - 2;
1382         p->idx += waitreloc.count + 2;
1383         p->idx += p3reloc.count + 2;
1384
1385         header = radeon_get_ib_value(p, h_idx);
1386         crtc_id = radeon_get_ib_value(p, h_idx + 5);
1387         reg = CP_PACKET0_GET_REG(header);
1388         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1389         if (!obj) {
1390                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1391                 return -EINVAL;
1392         }
1393         crtc = obj_to_crtc(obj);
1394         radeon_crtc = to_radeon_crtc(crtc);
1395         crtc_id = radeon_crtc->crtc_id;
1396
1397         if (!crtc->enabled) {
1398                 /* if the CRTC isn't enabled - we need to nop out the wait until */
1399                 ib[h_idx + 2] = PACKET2(0);
1400                 ib[h_idx + 3] = PACKET2(0);
1401         } else if (crtc_id == 1) {
1402                 switch (reg) {
1403                 case AVIVO_D1MODE_VLINE_START_END:
1404                         header &= ~R300_CP_PACKET0_REG_MASK;
1405                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1406                         break;
1407                 case RADEON_CRTC_GUI_TRIG_VLINE:
1408                         header &= ~R300_CP_PACKET0_REG_MASK;
1409                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1410                         break;
1411                 default:
1412                         DRM_ERROR("unknown crtc reloc\n");
1413                         return -EINVAL;
1414                 }
1415                 ib[h_idx] = header;
1416                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1417         }
1418
1419         return 0;
1420 }
1421
1422 /**
1423  * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1424  * @parser:             parser structure holding parsing context.
1425  * @data:               pointer to relocation data
1426  * @offset_start:       starting offset
1427  * @offset_mask:        offset mask (to align start offset on)
1428  * @reloc:              reloc informations
1429  *
1430  * Check next packet is relocation packet3, do bo validation and compute
1431  * GPU offset using the provided start.
1432  **/
1433 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1434                               struct radeon_cs_reloc **cs_reloc)
1435 {
1436         struct radeon_cs_chunk *relocs_chunk;
1437         struct radeon_cs_packet p3reloc;
1438         unsigned idx;
1439         int r;
1440
1441         if (p->chunk_relocs_idx == -1) {
1442                 DRM_ERROR("No relocation chunk !\n");
1443                 return -EINVAL;
1444         }
1445         *cs_reloc = NULL;
1446         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1447         r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1448         if (r) {
1449                 return r;
1450         }
1451         p->idx += p3reloc.count + 2;
1452         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1453                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1454                           p3reloc.idx);
1455                 r100_cs_dump_packet(p, &p3reloc);
1456                 return -EINVAL;
1457         }
1458         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1459         if (idx >= relocs_chunk->length_dw) {
1460                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1461                           idx, relocs_chunk->length_dw);
1462                 r100_cs_dump_packet(p, &p3reloc);
1463                 return -EINVAL;
1464         }
1465         /* FIXME: we assume reloc size is 4 dwords */
1466         *cs_reloc = p->relocs_ptr[(idx / 4)];
1467         return 0;
1468 }
1469
1470 static int r100_get_vtx_size(uint32_t vtx_fmt)
1471 {
1472         int vtx_size;
1473         vtx_size = 2;
1474         /* ordered according to bits in spec */
1475         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1476                 vtx_size++;
1477         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1478                 vtx_size += 3;
1479         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1480                 vtx_size++;
1481         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1482                 vtx_size++;
1483         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1484                 vtx_size += 3;
1485         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1486                 vtx_size++;
1487         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1488                 vtx_size++;
1489         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1490                 vtx_size += 2;
1491         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1492                 vtx_size += 2;
1493         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1494                 vtx_size++;
1495         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1496                 vtx_size += 2;
1497         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1498                 vtx_size++;
1499         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1500                 vtx_size += 2;
1501         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1502                 vtx_size++;
1503         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1504                 vtx_size++;
1505         /* blend weight */
1506         if (vtx_fmt & (0x7 << 15))
1507                 vtx_size += (vtx_fmt >> 15) & 0x7;
1508         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1509                 vtx_size += 3;
1510         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1511                 vtx_size += 2;
1512         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1513                 vtx_size++;
1514         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1515                 vtx_size++;
1516         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1517                 vtx_size++;
1518         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1519                 vtx_size++;
1520         return vtx_size;
1521 }
1522
1523 static int r100_packet0_check(struct radeon_cs_parser *p,
1524                               struct radeon_cs_packet *pkt,
1525                               unsigned idx, unsigned reg)
1526 {
1527         struct radeon_cs_reloc *reloc;
1528         struct r100_cs_track *track;
1529         volatile uint32_t *ib;
1530         uint32_t tmp;
1531         int r;
1532         int i, face;
1533         u32 tile_flags = 0;
1534         u32 idx_value;
1535
1536         ib = p->ib->ptr;
1537         track = (struct r100_cs_track *)p->track;
1538
1539         idx_value = radeon_get_ib_value(p, idx);
1540
1541         switch (reg) {
1542         case RADEON_CRTC_GUI_TRIG_VLINE:
1543                 r = r100_cs_packet_parse_vline(p);
1544                 if (r) {
1545                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1546                                   idx, reg);
1547                         r100_cs_dump_packet(p, pkt);
1548                         return r;
1549                 }
1550                 break;
1551                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1552                  * range access */
1553         case RADEON_DST_PITCH_OFFSET:
1554         case RADEON_SRC_PITCH_OFFSET:
1555                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1556                 if (r)
1557                         return r;
1558                 break;
1559         case RADEON_RB3D_DEPTHOFFSET:
1560                 r = r100_cs_packet_next_reloc(p, &reloc);
1561                 if (r) {
1562                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1563                                   idx, reg);
1564                         r100_cs_dump_packet(p, pkt);
1565                         return r;
1566                 }
1567                 track->zb.robj = reloc->robj;
1568                 track->zb.offset = idx_value;
1569                 track->zb_dirty = true;
1570                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1571                 break;
1572         case RADEON_RB3D_COLOROFFSET:
1573                 r = r100_cs_packet_next_reloc(p, &reloc);
1574                 if (r) {
1575                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1576                                   idx, reg);
1577                         r100_cs_dump_packet(p, pkt);
1578                         return r;
1579                 }
1580                 track->cb[0].robj = reloc->robj;
1581                 track->cb[0].offset = idx_value;
1582                 track->cb_dirty = true;
1583                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1584                 break;
1585         case RADEON_PP_TXOFFSET_0:
1586         case RADEON_PP_TXOFFSET_1:
1587         case RADEON_PP_TXOFFSET_2:
1588                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1589                 r = r100_cs_packet_next_reloc(p, &reloc);
1590                 if (r) {
1591                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1592                                   idx, reg);
1593                         r100_cs_dump_packet(p, pkt);
1594                         return r;
1595                 }
1596                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1597                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1598                                 tile_flags |= RADEON_TXO_MACRO_TILE;
1599                         if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1600                                 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1601
1602                         tmp = idx_value & ~(0x7 << 2);
1603                         tmp |= tile_flags;
1604                         ib[idx] = tmp + ((u32)reloc->lobj.gpu_offset);
1605                 } else
1606                         ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1607                 track->textures[i].robj = reloc->robj;
1608                 track->tex_dirty = true;
1609                 break;
1610         case RADEON_PP_CUBIC_OFFSET_T0_0:
1611         case RADEON_PP_CUBIC_OFFSET_T0_1:
1612         case RADEON_PP_CUBIC_OFFSET_T0_2:
1613         case RADEON_PP_CUBIC_OFFSET_T0_3:
1614         case RADEON_PP_CUBIC_OFFSET_T0_4:
1615                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1616                 r = r100_cs_packet_next_reloc(p, &reloc);
1617                 if (r) {
1618                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1619                                   idx, reg);
1620                         r100_cs_dump_packet(p, pkt);
1621                         return r;
1622                 }
1623                 track->textures[0].cube_info[i].offset = idx_value;
1624                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1625                 track->textures[0].cube_info[i].robj = reloc->robj;
1626                 track->tex_dirty = true;
1627                 break;
1628         case RADEON_PP_CUBIC_OFFSET_T1_0:
1629         case RADEON_PP_CUBIC_OFFSET_T1_1:
1630         case RADEON_PP_CUBIC_OFFSET_T1_2:
1631         case RADEON_PP_CUBIC_OFFSET_T1_3:
1632         case RADEON_PP_CUBIC_OFFSET_T1_4:
1633                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1634                 r = r100_cs_packet_next_reloc(p, &reloc);
1635                 if (r) {
1636                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1637                                   idx, reg);
1638                         r100_cs_dump_packet(p, pkt);
1639                         return r;
1640                 }
1641                 track->textures[1].cube_info[i].offset = idx_value;
1642                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1643                 track->textures[1].cube_info[i].robj = reloc->robj;
1644                 track->tex_dirty = true;
1645                 break;
1646         case RADEON_PP_CUBIC_OFFSET_T2_0:
1647         case RADEON_PP_CUBIC_OFFSET_T2_1:
1648         case RADEON_PP_CUBIC_OFFSET_T2_2:
1649         case RADEON_PP_CUBIC_OFFSET_T2_3:
1650         case RADEON_PP_CUBIC_OFFSET_T2_4:
1651                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1652                 r = r100_cs_packet_next_reloc(p, &reloc);
1653                 if (r) {
1654                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1655                                   idx, reg);
1656                         r100_cs_dump_packet(p, pkt);
1657                         return r;
1658                 }
1659                 track->textures[2].cube_info[i].offset = idx_value;
1660                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1661                 track->textures[2].cube_info[i].robj = reloc->robj;
1662                 track->tex_dirty = true;
1663                 break;
1664         case RADEON_RE_WIDTH_HEIGHT:
1665                 track->maxy = ((idx_value >> 16) & 0x7FF);
1666                 track->cb_dirty = true;
1667                 track->zb_dirty = true;
1668                 break;
1669         case RADEON_RB3D_COLORPITCH:
1670                 r = r100_cs_packet_next_reloc(p, &reloc);
1671                 if (r) {
1672                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1673                                   idx, reg);
1674                         r100_cs_dump_packet(p, pkt);
1675                         return r;
1676                 }
1677                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1678                         if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1679                                 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1680                         if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1681                                 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1682
1683                         tmp = idx_value & ~(0x7 << 16);
1684                         tmp |= tile_flags;
1685                         ib[idx] = tmp;
1686                 } else
1687                         ib[idx] = idx_value;
1688
1689                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1690                 track->cb_dirty = true;
1691                 break;
1692         case RADEON_RB3D_DEPTHPITCH:
1693                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1694                 track->zb_dirty = true;
1695                 break;
1696         case RADEON_RB3D_CNTL:
1697                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1698                 case 7:
1699                 case 8:
1700                 case 9:
1701                 case 11:
1702                 case 12:
1703                         track->cb[0].cpp = 1;
1704                         break;
1705                 case 3:
1706                 case 4:
1707                 case 15:
1708                         track->cb[0].cpp = 2;
1709                         break;
1710                 case 6:
1711                         track->cb[0].cpp = 4;
1712                         break;
1713                 default:
1714                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1715                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1716                         return -EINVAL;
1717                 }
1718                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1719                 track->cb_dirty = true;
1720                 track->zb_dirty = true;
1721                 break;
1722         case RADEON_RB3D_ZSTENCILCNTL:
1723                 switch (idx_value & 0xf) {
1724                 case 0:
1725                         track->zb.cpp = 2;
1726                         break;
1727                 case 2:
1728                 case 3:
1729                 case 4:
1730                 case 5:
1731                 case 9:
1732                 case 11:
1733                         track->zb.cpp = 4;
1734                         break;
1735                 default:
1736                         break;
1737                 }
1738                 track->zb_dirty = true;
1739                 break;
1740         case RADEON_RB3D_ZPASS_ADDR:
1741                 r = r100_cs_packet_next_reloc(p, &reloc);
1742                 if (r) {
1743                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1744                                   idx, reg);
1745                         r100_cs_dump_packet(p, pkt);
1746                         return r;
1747                 }
1748                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1749                 break;
1750         case RADEON_PP_CNTL:
1751                 {
1752                         uint32_t temp = idx_value >> 4;
1753                         for (i = 0; i < track->num_texture; i++)
1754                                 track->textures[i].enabled = !!(temp & (1 << i));
1755                         track->tex_dirty = true;
1756                 }
1757                 break;
1758         case RADEON_SE_VF_CNTL:
1759                 track->vap_vf_cntl = idx_value;
1760                 break;
1761         case RADEON_SE_VTX_FMT:
1762                 track->vtx_size = r100_get_vtx_size(idx_value);
1763                 break;
1764         case RADEON_PP_TEX_SIZE_0:
1765         case RADEON_PP_TEX_SIZE_1:
1766         case RADEON_PP_TEX_SIZE_2:
1767                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1768                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1769                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1770                 track->tex_dirty = true;
1771                 break;
1772         case RADEON_PP_TEX_PITCH_0:
1773         case RADEON_PP_TEX_PITCH_1:
1774         case RADEON_PP_TEX_PITCH_2:
1775                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1776                 track->textures[i].pitch = idx_value + 32;
1777                 track->tex_dirty = true;
1778                 break;
1779         case RADEON_PP_TXFILTER_0:
1780         case RADEON_PP_TXFILTER_1:
1781         case RADEON_PP_TXFILTER_2:
1782                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1783                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1784                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1785                 tmp = (idx_value >> 23) & 0x7;
1786                 if (tmp == 2 || tmp == 6)
1787                         track->textures[i].roundup_w = false;
1788                 tmp = (idx_value >> 27) & 0x7;
1789                 if (tmp == 2 || tmp == 6)
1790                         track->textures[i].roundup_h = false;
1791                 track->tex_dirty = true;
1792                 break;
1793         case RADEON_PP_TXFORMAT_0:
1794         case RADEON_PP_TXFORMAT_1:
1795         case RADEON_PP_TXFORMAT_2:
1796                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1797                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1798                         track->textures[i].use_pitch = 1;
1799                 } else {
1800                         track->textures[i].use_pitch = 0;
1801                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1802                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1803                 }
1804                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1805                         track->textures[i].tex_coord_type = 2;
1806                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1807                 case RADEON_TXFORMAT_I8:
1808                 case RADEON_TXFORMAT_RGB332:
1809                 case RADEON_TXFORMAT_Y8:
1810                         track->textures[i].cpp = 1;
1811                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1812                         break;
1813                 case RADEON_TXFORMAT_AI88:
1814                 case RADEON_TXFORMAT_ARGB1555:
1815                 case RADEON_TXFORMAT_RGB565:
1816                 case RADEON_TXFORMAT_ARGB4444:
1817                 case RADEON_TXFORMAT_VYUY422:
1818                 case RADEON_TXFORMAT_YVYU422:
1819                 case RADEON_TXFORMAT_SHADOW16:
1820                 case RADEON_TXFORMAT_LDUDV655:
1821                 case RADEON_TXFORMAT_DUDV88:
1822                         track->textures[i].cpp = 2;
1823                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1824                         break;
1825                 case RADEON_TXFORMAT_ARGB8888:
1826                 case RADEON_TXFORMAT_RGBA8888:
1827                 case RADEON_TXFORMAT_SHADOW32:
1828                 case RADEON_TXFORMAT_LDUDUV8888:
1829                         track->textures[i].cpp = 4;
1830                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1831                         break;
1832                 case RADEON_TXFORMAT_DXT1:
1833                         track->textures[i].cpp = 1;
1834                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1835                         break;
1836                 case RADEON_TXFORMAT_DXT23:
1837                 case RADEON_TXFORMAT_DXT45:
1838                         track->textures[i].cpp = 1;
1839                         track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1840                         break;
1841                 }
1842                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1843                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1844                 track->tex_dirty = true;
1845                 break;
1846         case RADEON_PP_CUBIC_FACES_0:
1847         case RADEON_PP_CUBIC_FACES_1:
1848         case RADEON_PP_CUBIC_FACES_2:
1849                 tmp = idx_value;
1850                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1851                 for (face = 0; face < 4; face++) {
1852                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1853                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1854                 }
1855                 track->tex_dirty = true;
1856                 break;
1857         default:
1858                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1859                        reg, idx);
1860                 return -EINVAL;
1861         }
1862         return 0;
1863 }
1864
1865 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1866                                          struct radeon_cs_packet *pkt,
1867                                          struct radeon_bo *robj)
1868 {
1869         unsigned idx;
1870         u32 value;
1871         idx = pkt->idx + 1;
1872         value = radeon_get_ib_value(p, idx + 2);
1873         if ((value + 1) > radeon_bo_size(robj)) {
1874                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1875                           "(need %u have %lu) !\n",
1876                           value + 1,
1877                           radeon_bo_size(robj));
1878                 return -EINVAL;
1879         }
1880         return 0;
1881 }
1882
1883 static int r100_packet3_check(struct radeon_cs_parser *p,
1884                               struct radeon_cs_packet *pkt)
1885 {
1886         struct radeon_cs_reloc *reloc;
1887         struct r100_cs_track *track;
1888         unsigned idx;
1889         volatile uint32_t *ib;
1890         int r;
1891
1892         ib = p->ib->ptr;
1893         idx = pkt->idx + 1;
1894         track = (struct r100_cs_track *)p->track;
1895         switch (pkt->opcode) {
1896         case PACKET3_3D_LOAD_VBPNTR:
1897                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1898                 if (r)
1899                         return r;
1900                 break;
1901         case PACKET3_INDX_BUFFER:
1902                 r = r100_cs_packet_next_reloc(p, &reloc);
1903                 if (r) {
1904                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1905                         r100_cs_dump_packet(p, pkt);
1906                         return r;
1907                 }
1908                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1909                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1910                 if (r) {
1911                         return r;
1912                 }
1913                 break;
1914         case 0x23:
1915                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1916                 r = r100_cs_packet_next_reloc(p, &reloc);
1917                 if (r) {
1918                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1919                         r100_cs_dump_packet(p, pkt);
1920                         return r;
1921                 }
1922                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1923                 track->num_arrays = 1;
1924                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1925
1926                 track->arrays[0].robj = reloc->robj;
1927                 track->arrays[0].esize = track->vtx_size;
1928
1929                 track->max_indx = radeon_get_ib_value(p, idx+1);
1930
1931                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1932                 track->immd_dwords = pkt->count - 1;
1933                 r = r100_cs_track_check(p->rdev, track);
1934                 if (r)
1935                         return r;
1936                 break;
1937         case PACKET3_3D_DRAW_IMMD:
1938                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1939                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1940                         return -EINVAL;
1941                 }
1942                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1943                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1944                 track->immd_dwords = pkt->count - 1;
1945                 r = r100_cs_track_check(p->rdev, track);
1946                 if (r)
1947                         return r;
1948                 break;
1949                 /* triggers drawing using in-packet vertex data */
1950         case PACKET3_3D_DRAW_IMMD_2:
1951                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1952                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1953                         return -EINVAL;
1954                 }
1955                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1956                 track->immd_dwords = pkt->count;
1957                 r = r100_cs_track_check(p->rdev, track);
1958                 if (r)
1959                         return r;
1960                 break;
1961                 /* triggers drawing using in-packet vertex data */
1962         case PACKET3_3D_DRAW_VBUF_2:
1963                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1964                 r = r100_cs_track_check(p->rdev, track);
1965                 if (r)
1966                         return r;
1967                 break;
1968                 /* triggers drawing of vertex buffers setup elsewhere */
1969         case PACKET3_3D_DRAW_INDX_2:
1970                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1971                 r = r100_cs_track_check(p->rdev, track);
1972                 if (r)
1973                         return r;
1974                 break;
1975                 /* triggers drawing using indices to vertex buffer */
1976         case PACKET3_3D_DRAW_VBUF:
1977                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1978                 r = r100_cs_track_check(p->rdev, track);
1979                 if (r)
1980                         return r;
1981                 break;
1982                 /* triggers drawing of vertex buffers setup elsewhere */
1983         case PACKET3_3D_DRAW_INDX:
1984                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1985                 r = r100_cs_track_check(p->rdev, track);
1986                 if (r)
1987                         return r;
1988                 break;
1989                 /* triggers drawing using indices to vertex buffer */
1990         case PACKET3_3D_CLEAR_HIZ:
1991         case PACKET3_3D_CLEAR_ZMASK:
1992                 if (p->rdev->hyperz_filp != p->filp)
1993                         return -EINVAL;
1994                 break;
1995         case PACKET3_NOP:
1996                 break;
1997         default:
1998                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1999                 return -EINVAL;
2000         }
2001         return 0;
2002 }
2003
2004 int r100_cs_parse(struct radeon_cs_parser *p)
2005 {
2006         struct radeon_cs_packet pkt;
2007         struct r100_cs_track *track;
2008         int r;
2009
2010         track = kzalloc(sizeof(*track), GFP_KERNEL);
2011         r100_cs_track_clear(p->rdev, track);
2012         p->track = track;
2013         do {
2014                 r = r100_cs_packet_parse(p, &pkt, p->idx);
2015                 if (r) {
2016                         return r;
2017                 }
2018                 p->idx += pkt.count + 2;
2019                 switch (pkt.type) {
2020                         case PACKET_TYPE0:
2021                                 if (p->rdev->family >= CHIP_R200)
2022                                         r = r100_cs_parse_packet0(p, &pkt,
2023                                                                   p->rdev->config.r100.reg_safe_bm,
2024                                                                   p->rdev->config.r100.reg_safe_bm_size,
2025                                                                   &r200_packet0_check);
2026                                 else
2027                                         r = r100_cs_parse_packet0(p, &pkt,
2028                                                                   p->rdev->config.r100.reg_safe_bm,
2029                                                                   p->rdev->config.r100.reg_safe_bm_size,
2030                                                                   &r100_packet0_check);
2031                                 break;
2032                         case PACKET_TYPE2:
2033                                 break;
2034                         case PACKET_TYPE3:
2035                                 r = r100_packet3_check(p, &pkt);
2036                                 break;
2037                         default:
2038                                 DRM_ERROR("Unknown packet type %d !\n",
2039                                           pkt.type);
2040                                 return -EINVAL;
2041                 }
2042                 if (r) {
2043                         return r;
2044                 }
2045         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
2046         return 0;
2047 }
2048
2049
2050 /*
2051  * Global GPU functions
2052  */
2053 void r100_errata(struct radeon_device *rdev)
2054 {
2055         rdev->pll_errata = 0;
2056
2057         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2058                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2059         }
2060
2061         if (rdev->family == CHIP_RV100 ||
2062             rdev->family == CHIP_RS100 ||
2063             rdev->family == CHIP_RS200) {
2064                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2065         }
2066 }
2067
2068 /* Wait for vertical sync on primary CRTC */
2069 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
2070 {
2071         uint32_t crtc_gen_cntl, tmp;
2072         int i;
2073
2074         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
2075         if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
2076             !(crtc_gen_cntl & RADEON_CRTC_EN)) {
2077                 return;
2078         }
2079         /* Clear the CRTC_VBLANK_SAVE bit */
2080         WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
2081         for (i = 0; i < rdev->usec_timeout; i++) {
2082                 tmp = RREG32(RADEON_CRTC_STATUS);
2083                 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
2084                         return;
2085                 }
2086                 DRM_UDELAY(1);
2087         }
2088 }
2089
2090 /* Wait for vertical sync on secondary CRTC */
2091 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
2092 {
2093         uint32_t crtc2_gen_cntl, tmp;
2094         int i;
2095
2096         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
2097         if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
2098             !(crtc2_gen_cntl & RADEON_CRTC2_EN))
2099                 return;
2100
2101         /* Clear the CRTC_VBLANK_SAVE bit */
2102         WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
2103         for (i = 0; i < rdev->usec_timeout; i++) {
2104                 tmp = RREG32(RADEON_CRTC2_STATUS);
2105                 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
2106                         return;
2107                 }
2108                 DRM_UDELAY(1);
2109         }
2110 }
2111
2112 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2113 {
2114         unsigned i;
2115         uint32_t tmp;
2116
2117         for (i = 0; i < rdev->usec_timeout; i++) {
2118                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2119                 if (tmp >= n) {
2120                         return 0;
2121                 }
2122                 DRM_UDELAY(1);
2123         }
2124         return -1;
2125 }
2126
2127 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2128 {
2129         unsigned i;
2130         uint32_t tmp;
2131
2132         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2133                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
2134                        " Bad things might happen.\n");
2135         }
2136         for (i = 0; i < rdev->usec_timeout; i++) {
2137                 tmp = RREG32(RADEON_RBBM_STATUS);
2138                 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2139                         return 0;
2140                 }
2141                 DRM_UDELAY(1);
2142         }
2143         return -1;
2144 }
2145
2146 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2147 {
2148         unsigned i;
2149         uint32_t tmp;
2150
2151         for (i = 0; i < rdev->usec_timeout; i++) {
2152                 /* read MC_STATUS */
2153                 tmp = RREG32(RADEON_MC_STATUS);
2154                 if (tmp & RADEON_MC_IDLE) {
2155                         return 0;
2156                 }
2157                 DRM_UDELAY(1);
2158         }
2159         return -1;
2160 }
2161
2162 void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_ring *ring)
2163 {
2164         lockup->last_cp_rptr = ring->rptr;
2165         lockup->last_jiffies = jiffies;
2166 }
2167
2168 /**
2169  * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
2170  * @rdev:       radeon device structure
2171  * @lockup:     r100_gpu_lockup structure holding CP lockup tracking informations
2172  * @cp:         radeon_cp structure holding CP information
2173  *
2174  * We don't need to initialize the lockup tracking information as we will either
2175  * have CP rptr to a different value of jiffies wrap around which will force
2176  * initialization of the lockup tracking informations.
2177  *
2178  * A possible false positivie is if we get call after while and last_cp_rptr ==
2179  * the current CP rptr, even if it's unlikely it might happen. To avoid this
2180  * if the elapsed time since last call is bigger than 2 second than we return
2181  * false and update the tracking information. Due to this the caller must call
2182  * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be reported
2183  * the fencing code should be cautious about that.
2184  *
2185  * Caller should write to the ring to force CP to do something so we don't get
2186  * false positive when CP is just gived nothing to do.
2187  *
2188  **/
2189 bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_ring *ring)
2190 {
2191         unsigned long cjiffies, elapsed;
2192
2193         cjiffies = jiffies;
2194         if (!time_after(cjiffies, lockup->last_jiffies)) {
2195                 /* likely a wrap around */
2196                 lockup->last_cp_rptr = ring->rptr;
2197                 lockup->last_jiffies = jiffies;
2198                 return false;
2199         }
2200         if (ring->rptr != lockup->last_cp_rptr) {
2201                 /* CP is still working no lockup */
2202                 lockup->last_cp_rptr = ring->rptr;
2203                 lockup->last_jiffies = jiffies;
2204                 return false;
2205         }
2206         elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
2207         if (elapsed >= 10000) {
2208                 dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
2209                 return true;
2210         }
2211         /* give a chance to the GPU ... */
2212         return false;
2213 }
2214
2215 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2216 {
2217         u32 rbbm_status;
2218         int r;
2219
2220         rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2221         if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2222                 r100_gpu_lockup_update(&rdev->config.r100.lockup, ring);
2223                 return false;
2224         }
2225         /* force CP activities */
2226         r = radeon_ring_lock(rdev, ring, 2);
2227         if (!r) {
2228                 /* PACKET2 NOP */
2229                 radeon_ring_write(ring, 0x80000000);
2230                 radeon_ring_write(ring, 0x80000000);
2231                 radeon_ring_unlock_commit(rdev, ring);
2232         }
2233         ring->rptr = RREG32(ring->rptr_reg);
2234         return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, ring);
2235 }
2236
2237 void r100_bm_disable(struct radeon_device *rdev)
2238 {
2239         u32 tmp;
2240
2241         /* disable bus mastering */
2242         tmp = RREG32(R_000030_BUS_CNTL);
2243         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2244         mdelay(1);
2245         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2246         mdelay(1);
2247         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2248         tmp = RREG32(RADEON_BUS_CNTL);
2249         mdelay(1);
2250         pci_clear_master(rdev->pdev);
2251         mdelay(1);
2252 }
2253
2254 int r100_asic_reset(struct radeon_device *rdev)
2255 {
2256         struct r100_mc_save save;
2257         u32 status, tmp;
2258         int ret = 0;
2259
2260         status = RREG32(R_000E40_RBBM_STATUS);
2261         if (!G_000E40_GUI_ACTIVE(status)) {
2262                 return 0;
2263         }
2264         r100_mc_stop(rdev, &save);
2265         status = RREG32(R_000E40_RBBM_STATUS);
2266         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2267         /* stop CP */
2268         WREG32(RADEON_CP_CSQ_CNTL, 0);
2269         tmp = RREG32(RADEON_CP_RB_CNTL);
2270         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2271         WREG32(RADEON_CP_RB_RPTR_WR, 0);
2272         WREG32(RADEON_CP_RB_WPTR, 0);
2273         WREG32(RADEON_CP_RB_CNTL, tmp);
2274         /* save PCI state */
2275         pci_save_state(rdev->pdev);
2276         /* disable bus mastering */
2277         r100_bm_disable(rdev);
2278         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2279                                         S_0000F0_SOFT_RESET_RE(1) |
2280                                         S_0000F0_SOFT_RESET_PP(1) |
2281                                         S_0000F0_SOFT_RESET_RB(1));
2282         RREG32(R_0000F0_RBBM_SOFT_RESET);
2283         mdelay(500);
2284         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2285         mdelay(1);
2286         status = RREG32(R_000E40_RBBM_STATUS);
2287         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2288         /* reset CP */
2289         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2290         RREG32(R_0000F0_RBBM_SOFT_RESET);
2291         mdelay(500);
2292         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2293         mdelay(1);
2294         status = RREG32(R_000E40_RBBM_STATUS);
2295         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2296         /* restore PCI & busmastering */
2297         pci_restore_state(rdev->pdev);
2298         r100_enable_bm(rdev);
2299         /* Check if GPU is idle */
2300         if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2301                 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2302                 dev_err(rdev->dev, "failed to reset GPU\n");
2303                 rdev->gpu_lockup = true;
2304                 ret = -1;
2305         } else
2306                 dev_info(rdev->dev, "GPU reset succeed\n");
2307         r100_mc_resume(rdev, &save);
2308         return ret;
2309 }
2310
2311 void r100_set_common_regs(struct radeon_device *rdev)
2312 {
2313         struct drm_device *dev = rdev->ddev;
2314         bool force_dac2 = false;
2315         u32 tmp;
2316
2317         /* set these so they don't interfere with anything */
2318         WREG32(RADEON_OV0_SCALE_CNTL, 0);
2319         WREG32(RADEON_SUBPIC_CNTL, 0);
2320         WREG32(RADEON_VIPH_CONTROL, 0);
2321         WREG32(RADEON_I2C_CNTL_1, 0);
2322         WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2323         WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2324         WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2325
2326         /* always set up dac2 on rn50 and some rv100 as lots
2327          * of servers seem to wire it up to a VGA port but
2328          * don't report it in the bios connector
2329          * table.
2330          */
2331         switch (dev->pdev->device) {
2332                 /* RN50 */
2333         case 0x515e:
2334         case 0x5969:
2335                 force_dac2 = true;
2336                 break;
2337                 /* RV100*/
2338         case 0x5159:
2339         case 0x515a:
2340                 /* DELL triple head servers */
2341                 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2342                     ((dev->pdev->subsystem_device == 0x016c) ||
2343                      (dev->pdev->subsystem_device == 0x016d) ||
2344                      (dev->pdev->subsystem_device == 0x016e) ||
2345                      (dev->pdev->subsystem_device == 0x016f) ||
2346                      (dev->pdev->subsystem_device == 0x0170) ||
2347                      (dev->pdev->subsystem_device == 0x017d) ||
2348                      (dev->pdev->subsystem_device == 0x017e) ||
2349                      (dev->pdev->subsystem_device == 0x0183) ||
2350                      (dev->pdev->subsystem_device == 0x018a) ||
2351                      (dev->pdev->subsystem_device == 0x019a)))
2352                         force_dac2 = true;
2353                 break;
2354         }
2355
2356         if (force_dac2) {
2357                 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2358                 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2359                 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2360
2361                 /* For CRT on DAC2, don't turn it on if BIOS didn't
2362                    enable it, even it's detected.
2363                 */
2364
2365                 /* force it to crtc0 */
2366                 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2367                 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2368                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2369
2370                 /* set up the TV DAC */
2371                 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2372                                  RADEON_TV_DAC_STD_MASK |
2373                                  RADEON_TV_DAC_RDACPD |
2374                                  RADEON_TV_DAC_GDACPD |
2375                                  RADEON_TV_DAC_BDACPD |
2376                                  RADEON_TV_DAC_BGADJ_MASK |
2377                                  RADEON_TV_DAC_DACADJ_MASK);
2378                 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2379                                 RADEON_TV_DAC_NHOLD |
2380                                 RADEON_TV_DAC_STD_PS2 |
2381                                 (0x58 << 16));
2382
2383                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2384                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2385                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2386         }
2387
2388         /* switch PM block to ACPI mode */
2389         tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2390         tmp &= ~RADEON_PM_MODE_SEL;
2391         WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2392
2393 }
2394
2395 /*
2396  * VRAM info
2397  */
2398 static void r100_vram_get_type(struct radeon_device *rdev)
2399 {
2400         uint32_t tmp;
2401
2402         rdev->mc.vram_is_ddr = false;
2403         if (rdev->flags & RADEON_IS_IGP)
2404                 rdev->mc.vram_is_ddr = true;
2405         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2406                 rdev->mc.vram_is_ddr = true;
2407         if ((rdev->family == CHIP_RV100) ||
2408             (rdev->family == CHIP_RS100) ||
2409             (rdev->family == CHIP_RS200)) {
2410                 tmp = RREG32(RADEON_MEM_CNTL);
2411                 if (tmp & RV100_HALF_MODE) {
2412                         rdev->mc.vram_width = 32;
2413                 } else {
2414                         rdev->mc.vram_width = 64;
2415                 }
2416                 if (rdev->flags & RADEON_SINGLE_CRTC) {
2417                         rdev->mc.vram_width /= 4;
2418                         rdev->mc.vram_is_ddr = true;
2419                 }
2420         } else if (rdev->family <= CHIP_RV280) {
2421                 tmp = RREG32(RADEON_MEM_CNTL);
2422                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2423                         rdev->mc.vram_width = 128;
2424                 } else {
2425                         rdev->mc.vram_width = 64;
2426                 }
2427         } else {
2428                 /* newer IGPs */
2429                 rdev->mc.vram_width = 128;
2430         }
2431 }
2432
2433 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2434 {
2435         u32 aper_size;
2436         u8 byte;
2437
2438         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2439
2440         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2441          * that is has the 2nd generation multifunction PCI interface
2442          */
2443         if (rdev->family == CHIP_RV280 ||
2444             rdev->family >= CHIP_RV350) {
2445                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2446                        ~RADEON_HDP_APER_CNTL);
2447                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2448                 return aper_size * 2;
2449         }
2450
2451         /* Older cards have all sorts of funny issues to deal with. First
2452          * check if it's a multifunction card by reading the PCI config
2453          * header type... Limit those to one aperture size
2454          */
2455         pci_read_config_byte(rdev->pdev, 0xe, &byte);
2456         if (byte & 0x80) {
2457                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2458                 DRM_INFO("Limiting VRAM to one aperture\n");
2459                 return aper_size;
2460         }
2461
2462         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2463          * have set it up. We don't write this as it's broken on some ASICs but
2464          * we expect the BIOS to have done the right thing (might be too optimistic...)
2465          */
2466         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2467                 return aper_size * 2;
2468         return aper_size;
2469 }
2470
2471 void r100_vram_init_sizes(struct radeon_device *rdev)
2472 {
2473         u64 config_aper_size;
2474
2475         /* work out accessible VRAM */
2476         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2477         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2478         rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2479         /* FIXME we don't use the second aperture yet when we could use it */
2480         if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2481                 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2482         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2483         if (rdev->flags & RADEON_IS_IGP) {
2484                 uint32_t tom;
2485                 /* read NB_TOM to get the amount of ram stolen for the GPU */
2486                 tom = RREG32(RADEON_NB_TOM);
2487                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2488                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2489                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2490         } else {
2491                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2492                 /* Some production boards of m6 will report 0
2493                  * if it's 8 MB
2494                  */
2495                 if (rdev->mc.real_vram_size == 0) {
2496                         rdev->mc.real_vram_size = 8192 * 1024;
2497                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2498                 }
2499                 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2500                  * Novell bug 204882 + along with lots of ubuntu ones
2501                  */
2502                 if (rdev->mc.aper_size > config_aper_size)
2503                         config_aper_size = rdev->mc.aper_size;
2504
2505                 if (config_aper_size > rdev->mc.real_vram_size)
2506                         rdev->mc.mc_vram_size = config_aper_size;
2507                 else
2508                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2509         }
2510 }
2511
2512 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2513 {
2514         uint32_t temp;
2515
2516         temp = RREG32(RADEON_CONFIG_CNTL);
2517         if (state == false) {
2518                 temp &= ~RADEON_CFG_VGA_RAM_EN;
2519                 temp |= RADEON_CFG_VGA_IO_DIS;
2520         } else {
2521                 temp &= ~RADEON_CFG_VGA_IO_DIS;
2522         }
2523         WREG32(RADEON_CONFIG_CNTL, temp);
2524 }
2525
2526 void r100_mc_init(struct radeon_device *rdev)
2527 {
2528         u64 base;
2529
2530         r100_vram_get_type(rdev);
2531         r100_vram_init_sizes(rdev);
2532         base = rdev->mc.aper_base;
2533         if (rdev->flags & RADEON_IS_IGP)
2534                 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2535         radeon_vram_location(rdev, &rdev->mc, base);
2536         rdev->mc.gtt_base_align = 0;
2537         if (!(rdev->flags & RADEON_IS_AGP))
2538                 radeon_gtt_location(rdev, &rdev->mc);
2539         radeon_update_bandwidth_info(rdev);
2540 }
2541
2542
2543 /*
2544  * Indirect registers accessor
2545  */
2546 void r100_pll_errata_after_index(struct radeon_device *rdev)
2547 {
2548         if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2549                 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2550                 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2551         }
2552 }
2553
2554 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2555 {
2556         /* This workarounds is necessary on RV100, RS100 and RS200 chips
2557          * or the chip could hang on a subsequent access
2558          */
2559         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2560                 udelay(5000);
2561         }
2562
2563         /* This function is required to workaround a hardware bug in some (all?)
2564          * revisions of the R300.  This workaround should be called after every
2565          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2566          * may not be correct.
2567          */
2568         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2569                 uint32_t save, tmp;
2570
2571                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2572                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2573                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2574                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2575                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2576         }
2577 }
2578
2579 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2580 {
2581         uint32_t data;
2582
2583         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2584         r100_pll_errata_after_index(rdev);
2585         data = RREG32(RADEON_CLOCK_CNTL_DATA);
2586         r100_pll_errata_after_data(rdev);
2587         return data;
2588 }
2589
2590 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2591 {
2592         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2593         r100_pll_errata_after_index(rdev);
2594         WREG32(RADEON_CLOCK_CNTL_DATA, v);
2595         r100_pll_errata_after_data(rdev);
2596 }
2597
2598 void r100_set_safe_registers(struct radeon_device *rdev)
2599 {
2600         if (ASIC_IS_RN50(rdev)) {
2601                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2602                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2603         } else if (rdev->family < CHIP_R200) {
2604                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2605                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2606         } else {
2607                 r200_set_safe_registers(rdev);
2608         }
2609 }
2610
2611 /*
2612  * Debugfs info
2613  */
2614 #if defined(CONFIG_DEBUG_FS)
2615 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2616 {
2617         struct drm_info_node *node = (struct drm_info_node *) m->private;
2618         struct drm_device *dev = node->minor->dev;
2619         struct radeon_device *rdev = dev->dev_private;
2620         uint32_t reg, value;
2621         unsigned i;
2622
2623         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2624         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2625         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2626         for (i = 0; i < 64; i++) {
2627                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2628                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2629                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2630                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2631                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2632         }
2633         return 0;
2634 }
2635
2636 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2637 {
2638         struct drm_info_node *node = (struct drm_info_node *) m->private;
2639         struct drm_device *dev = node->minor->dev;
2640         struct radeon_device *rdev = dev->dev_private;
2641         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2642         uint32_t rdp, wdp;
2643         unsigned count, i, j;
2644
2645         radeon_ring_free_size(rdev, ring);
2646         rdp = RREG32(RADEON_CP_RB_RPTR);
2647         wdp = RREG32(RADEON_CP_RB_WPTR);
2648         count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2649         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2650         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2651         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2652         seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2653         seq_printf(m, "%u dwords in ring\n", count);
2654         for (j = 0; j <= count; j++) {
2655                 i = (rdp + j) & ring->ptr_mask;
2656                 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2657         }
2658         return 0;
2659 }
2660
2661
2662 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2663 {
2664         struct drm_info_node *node = (struct drm_info_node *) m->private;
2665         struct drm_device *dev = node->minor->dev;
2666         struct radeon_device *rdev = dev->dev_private;
2667         uint32_t csq_stat, csq2_stat, tmp;
2668         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2669         unsigned i;
2670
2671         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2672         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2673         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2674         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2675         r_rptr = (csq_stat >> 0) & 0x3ff;
2676         r_wptr = (csq_stat >> 10) & 0x3ff;
2677         ib1_rptr = (csq_stat >> 20) & 0x3ff;
2678         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2679         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2680         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2681         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2682         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2683         seq_printf(m, "Ring rptr %u\n", r_rptr);
2684         seq_printf(m, "Ring wptr %u\n", r_wptr);
2685         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2686         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2687         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2688         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2689         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2690          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2691         seq_printf(m, "Ring fifo:\n");
2692         for (i = 0; i < 256; i++) {
2693                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2694                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2695                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2696         }
2697         seq_printf(m, "Indirect1 fifo:\n");
2698         for (i = 256; i <= 512; i++) {
2699                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2700                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2701                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2702         }
2703         seq_printf(m, "Indirect2 fifo:\n");
2704         for (i = 640; i < ib1_wptr; i++) {
2705                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2706                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2707                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2708         }
2709         return 0;
2710 }
2711
2712 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2713 {
2714         struct drm_info_node *node = (struct drm_info_node *) m->private;
2715         struct drm_device *dev = node->minor->dev;
2716         struct radeon_device *rdev = dev->dev_private;
2717         uint32_t tmp;
2718
2719         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2720         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2721         tmp = RREG32(RADEON_MC_FB_LOCATION);
2722         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2723         tmp = RREG32(RADEON_BUS_CNTL);
2724         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2725         tmp = RREG32(RADEON_MC_AGP_LOCATION);
2726         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2727         tmp = RREG32(RADEON_AGP_BASE);
2728         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2729         tmp = RREG32(RADEON_HOST_PATH_CNTL);
2730         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2731         tmp = RREG32(0x01D0);
2732         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2733         tmp = RREG32(RADEON_AIC_LO_ADDR);
2734         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2735         tmp = RREG32(RADEON_AIC_HI_ADDR);
2736         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2737         tmp = RREG32(0x01E4);
2738         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2739         return 0;
2740 }
2741
2742 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2743         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2744 };
2745
2746 static struct drm_info_list r100_debugfs_cp_list[] = {
2747         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2748         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2749 };
2750
2751 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2752         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2753 };
2754 #endif
2755
2756 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2757 {
2758 #if defined(CONFIG_DEBUG_FS)
2759         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2760 #else
2761         return 0;
2762 #endif
2763 }
2764
2765 int r100_debugfs_cp_init(struct radeon_device *rdev)
2766 {
2767 #if defined(CONFIG_DEBUG_FS)
2768         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2769 #else
2770         return 0;
2771 #endif
2772 }
2773
2774 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2775 {
2776 #if defined(CONFIG_DEBUG_FS)
2777         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2778 #else
2779         return 0;
2780 #endif
2781 }
2782
2783 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2784                          uint32_t tiling_flags, uint32_t pitch,
2785                          uint32_t offset, uint32_t obj_size)
2786 {
2787         int surf_index = reg * 16;
2788         int flags = 0;
2789
2790         if (rdev->family <= CHIP_RS200) {
2791                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2792                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2793                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
2794                 if (tiling_flags & RADEON_TILING_MACRO)
2795                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
2796         } else if (rdev->family <= CHIP_RV280) {
2797                 if (tiling_flags & (RADEON_TILING_MACRO))
2798                         flags |= R200_SURF_TILE_COLOR_MACRO;
2799                 if (tiling_flags & RADEON_TILING_MICRO)
2800                         flags |= R200_SURF_TILE_COLOR_MICRO;
2801         } else {
2802                 if (tiling_flags & RADEON_TILING_MACRO)
2803                         flags |= R300_SURF_TILE_MACRO;
2804                 if (tiling_flags & RADEON_TILING_MICRO)
2805                         flags |= R300_SURF_TILE_MICRO;
2806         }
2807
2808         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2809                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2810         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2811                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2812
2813         /* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
2814         if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
2815                 if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
2816                         if (ASIC_IS_RN50(rdev))
2817                                 pitch /= 16;
2818         }
2819
2820         /* r100/r200 divide by 16 */
2821         if (rdev->family < CHIP_R300)
2822                 flags |= pitch / 16;
2823         else
2824                 flags |= pitch / 8;
2825
2826
2827         DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2828         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2829         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2830         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2831         return 0;
2832 }
2833
2834 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2835 {
2836         int surf_index = reg * 16;
2837         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2838 }
2839
2840 void r100_bandwidth_update(struct radeon_device *rdev)
2841 {
2842         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2843         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2844         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2845         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2846         fixed20_12 memtcas_ff[8] = {
2847                 dfixed_init(1),
2848                 dfixed_init(2),
2849                 dfixed_init(3),
2850                 dfixed_init(0),
2851                 dfixed_init_half(1),
2852                 dfixed_init_half(2),
2853                 dfixed_init(0),
2854         };
2855         fixed20_12 memtcas_rs480_ff[8] = {
2856                 dfixed_init(0),
2857                 dfixed_init(1),
2858                 dfixed_init(2),
2859                 dfixed_init(3),
2860                 dfixed_init(0),
2861                 dfixed_init_half(1),
2862                 dfixed_init_half(2),
2863                 dfixed_init_half(3),
2864         };
2865         fixed20_12 memtcas2_ff[8] = {
2866                 dfixed_init(0),
2867                 dfixed_init(1),
2868                 dfixed_init(2),
2869                 dfixed_init(3),
2870                 dfixed_init(4),
2871                 dfixed_init(5),
2872                 dfixed_init(6),
2873                 dfixed_init(7),
2874         };
2875         fixed20_12 memtrbs[8] = {
2876                 dfixed_init(1),
2877                 dfixed_init_half(1),
2878                 dfixed_init(2),
2879                 dfixed_init_half(2),
2880                 dfixed_init(3),
2881                 dfixed_init_half(3),
2882                 dfixed_init(4),
2883                 dfixed_init_half(4)
2884         };
2885         fixed20_12 memtrbs_r4xx[8] = {
2886                 dfixed_init(4),
2887                 dfixed_init(5),
2888                 dfixed_init(6),
2889                 dfixed_init(7),
2890                 dfixed_init(8),
2891                 dfixed_init(9),
2892                 dfixed_init(10),
2893                 dfixed_init(11)
2894         };
2895         fixed20_12 min_mem_eff;
2896         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2897         fixed20_12 cur_latency_mclk, cur_latency_sclk;
2898         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2899                 disp_drain_rate2, read_return_rate;
2900         fixed20_12 time_disp1_drop_priority;
2901         int c;
2902         int cur_size = 16;       /* in octawords */
2903         int critical_point = 0, critical_point2;
2904 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
2905         int stop_req, max_stop_req;
2906         struct drm_display_mode *mode1 = NULL;
2907         struct drm_display_mode *mode2 = NULL;
2908         uint32_t pixel_bytes1 = 0;
2909         uint32_t pixel_bytes2 = 0;
2910
2911         radeon_update_display_priority(rdev);
2912
2913         if (rdev->mode_info.crtcs[0]->base.enabled) {
2914                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2915                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2916         }
2917         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2918                 if (rdev->mode_info.crtcs[1]->base.enabled) {
2919                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2920                         pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2921                 }
2922         }
2923
2924         min_mem_eff.full = dfixed_const_8(0);
2925         /* get modes */
2926         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2927                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2928                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2929                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2930                 /* check crtc enables */
2931                 if (mode2)
2932                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2933                 if (mode1)
2934                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2935                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2936         }
2937
2938         /*
2939          * determine is there is enough bw for current mode
2940          */
2941         sclk_ff = rdev->pm.sclk;
2942         mclk_ff = rdev->pm.mclk;
2943
2944         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2945         temp_ff.full = dfixed_const(temp);
2946         mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
2947
2948         pix_clk.full = 0;
2949         pix_clk2.full = 0;
2950         peak_disp_bw.full = 0;
2951         if (mode1) {
2952                 temp_ff.full = dfixed_const(1000);
2953                 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
2954                 pix_clk.full = dfixed_div(pix_clk, temp_ff);
2955                 temp_ff.full = dfixed_const(pixel_bytes1);
2956                 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
2957         }
2958         if (mode2) {
2959                 temp_ff.full = dfixed_const(1000);
2960                 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
2961                 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
2962                 temp_ff.full = dfixed_const(pixel_bytes2);
2963                 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
2964         }
2965
2966         mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
2967         if (peak_disp_bw.full >= mem_bw.full) {
2968                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2969                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2970         }
2971
2972         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2973         temp = RREG32(RADEON_MEM_TIMING_CNTL);
2974         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2975                 mem_trcd = ((temp >> 2) & 0x3) + 1;
2976                 mem_trp  = ((temp & 0x3)) + 1;
2977                 mem_tras = ((temp & 0x70) >> 4) + 1;
2978         } else if (rdev->family == CHIP_R300 ||
2979                    rdev->family == CHIP_R350) { /* r300, r350 */
2980                 mem_trcd = (temp & 0x7) + 1;
2981                 mem_trp = ((temp >> 8) & 0x7) + 1;
2982                 mem_tras = ((temp >> 11) & 0xf) + 4;
2983         } else if (rdev->family == CHIP_RV350 ||
2984                    rdev->family <= CHIP_RV380) {
2985                 /* rv3x0 */
2986                 mem_trcd = (temp & 0x7) + 3;
2987                 mem_trp = ((temp >> 8) & 0x7) + 3;
2988                 mem_tras = ((temp >> 11) & 0xf) + 6;
2989         } else if (rdev->family == CHIP_R420 ||
2990                    rdev->family == CHIP_R423 ||
2991                    rdev->family == CHIP_RV410) {
2992                 /* r4xx */
2993                 mem_trcd = (temp & 0xf) + 3;
2994                 if (mem_trcd > 15)
2995                         mem_trcd = 15;
2996                 mem_trp = ((temp >> 8) & 0xf) + 3;
2997                 if (mem_trp > 15)
2998                         mem_trp = 15;
2999                 mem_tras = ((temp >> 12) & 0x1f) + 6;
3000                 if (mem_tras > 31)
3001                         mem_tras = 31;
3002         } else { /* RV200, R200 */
3003                 mem_trcd = (temp & 0x7) + 1;
3004                 mem_trp = ((temp >> 8) & 0x7) + 1;
3005                 mem_tras = ((temp >> 12) & 0xf) + 4;
3006         }
3007         /* convert to FF */
3008         trcd_ff.full = dfixed_const(mem_trcd);
3009         trp_ff.full = dfixed_const(mem_trp);
3010         tras_ff.full = dfixed_const(mem_tras);
3011
3012         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3013         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3014         data = (temp & (7 << 20)) >> 20;
3015         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3016                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3017                         tcas_ff = memtcas_rs480_ff[data];
3018                 else
3019                         tcas_ff = memtcas_ff[data];
3020         } else
3021                 tcas_ff = memtcas2_ff[data];
3022
3023         if (rdev->family == CHIP_RS400 ||
3024             rdev->family == CHIP_RS480) {
3025                 /* extra cas latency stored in bits 23-25 0-4 clocks */
3026                 data = (temp >> 23) & 0x7;
3027                 if (data < 5)
3028                         tcas_ff.full += dfixed_const(data);
3029         }
3030
3031         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3032                 /* on the R300, Tcas is included in Trbs.
3033                  */
3034                 temp = RREG32(RADEON_MEM_CNTL);
3035                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3036                 if (data == 1) {
3037                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
3038                                 temp = RREG32(R300_MC_IND_INDEX);
3039                                 temp &= ~R300_MC_IND_ADDR_MASK;
3040                                 temp |= R300_MC_READ_CNTL_CD_mcind;
3041                                 WREG32(R300_MC_IND_INDEX, temp);
3042                                 temp = RREG32(R300_MC_IND_DATA);
3043                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3044                         } else {
3045                                 temp = RREG32(R300_MC_READ_CNTL_AB);
3046                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3047                         }
3048                 } else {
3049                         temp = RREG32(R300_MC_READ_CNTL_AB);
3050                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3051                 }
3052                 if (rdev->family == CHIP_RV410 ||
3053                     rdev->family == CHIP_R420 ||
3054                     rdev->family == CHIP_R423)
3055                         trbs_ff = memtrbs_r4xx[data];
3056                 else
3057                         trbs_ff = memtrbs[data];
3058                 tcas_ff.full += trbs_ff.full;
3059         }
3060
3061         sclk_eff_ff.full = sclk_ff.full;
3062
3063         if (rdev->flags & RADEON_IS_AGP) {
3064                 fixed20_12 agpmode_ff;
3065                 agpmode_ff.full = dfixed_const(radeon_agpmode);
3066                 temp_ff.full = dfixed_const_666(16);
3067                 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3068         }
3069         /* TODO PCIE lanes may affect this - agpmode == 16?? */
3070
3071         if (ASIC_IS_R300(rdev)) {
3072                 sclk_delay_ff.full = dfixed_const(250);
3073         } else {
3074                 if ((rdev->family == CHIP_RV100) ||
3075                     rdev->flags & RADEON_IS_IGP) {
3076                         if (rdev->mc.vram_is_ddr)
3077                                 sclk_delay_ff.full = dfixed_const(41);
3078                         else
3079                                 sclk_delay_ff.full = dfixed_const(33);
3080                 } else {
3081                         if (rdev->mc.vram_width == 128)
3082                                 sclk_delay_ff.full = dfixed_const(57);
3083                         else
3084                                 sclk_delay_ff.full = dfixed_const(41);
3085                 }
3086         }
3087
3088         mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3089
3090         if (rdev->mc.vram_is_ddr) {
3091                 if (rdev->mc.vram_width == 32) {
3092                         k1.full = dfixed_const(40);
3093                         c  = 3;
3094                 } else {
3095                         k1.full = dfixed_const(20);
3096                         c  = 1;
3097                 }
3098         } else {
3099                 k1.full = dfixed_const(40);
3100                 c  = 3;
3101         }
3102
3103         temp_ff.full = dfixed_const(2);
3104         mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3105         temp_ff.full = dfixed_const(c);
3106         mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3107         temp_ff.full = dfixed_const(4);
3108         mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3109         mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3110         mc_latency_mclk.full += k1.full;
3111
3112         mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3113         mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3114
3115         /*
3116           HW cursor time assuming worst case of full size colour cursor.
3117         */
3118         temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3119         temp_ff.full += trcd_ff.full;
3120         if (temp_ff.full < tras_ff.full)
3121                 temp_ff.full = tras_ff.full;
3122         cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3123
3124         temp_ff.full = dfixed_const(cur_size);
3125         cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3126         /*
3127           Find the total latency for the display data.
3128         */
3129         disp_latency_overhead.full = dfixed_const(8);
3130         disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3131         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3132         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3133
3134         if (mc_latency_mclk.full > mc_latency_sclk.full)
3135                 disp_latency.full = mc_latency_mclk.full;
3136         else
3137                 disp_latency.full = mc_latency_sclk.full;
3138
3139         /* setup Max GRPH_STOP_REQ default value */
3140         if (ASIC_IS_RV100(rdev))
3141                 max_stop_req = 0x5c;
3142         else
3143                 max_stop_req = 0x7c;
3144
3145         if (mode1) {
3146                 /*  CRTC1
3147                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3148                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3149                 */
3150                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3151
3152                 if (stop_req > max_stop_req)
3153                         stop_req = max_stop_req;
3154
3155                 /*
3156                   Find the drain rate of the display buffer.
3157                 */
3158                 temp_ff.full = dfixed_const((16/pixel_bytes1));
3159                 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3160
3161                 /*
3162                   Find the critical point of the display buffer.
3163                 */
3164                 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3165                 crit_point_ff.full += dfixed_const_half(0);
3166
3167                 critical_point = dfixed_trunc(crit_point_ff);
3168
3169                 if (rdev->disp_priority == 2) {
3170                         critical_point = 0;
3171                 }
3172
3173                 /*
3174                   The critical point should never be above max_stop_req-4.  Setting
3175                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3176                 */
3177                 if (max_stop_req - critical_point < 4)
3178                         critical_point = 0;
3179
3180                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3181                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3182                         critical_point = 0x10;
3183                 }
3184
3185                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3186                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3187                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3188                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3189                 if ((rdev->family == CHIP_R350) &&
3190                     (stop_req > 0x15)) {
3191                         stop_req -= 0x10;
3192                 }
3193                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3194                 temp |= RADEON_GRPH_BUFFER_SIZE;
3195                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3196                           RADEON_GRPH_CRITICAL_AT_SOF |
3197                           RADEON_GRPH_STOP_CNTL);
3198                 /*
3199                   Write the result into the register.
3200                 */
3201                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3202                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3203
3204 #if 0
3205                 if ((rdev->family == CHIP_RS400) ||
3206                     (rdev->family == CHIP_RS480)) {
3207                         /* attempt to program RS400 disp regs correctly ??? */
3208                         temp = RREG32(RS400_DISP1_REG_CNTL);
3209                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3210                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
3211                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3212                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3213                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3214                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
3215                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3216                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3217                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3218                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3219                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3220                 }
3221 #endif
3222
3223                 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3224                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
3225                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3226         }
3227
3228         if (mode2) {
3229                 u32 grph2_cntl;
3230                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3231
3232                 if (stop_req > max_stop_req)
3233                         stop_req = max_stop_req;
3234
3235                 /*
3236                   Find the drain rate of the display buffer.
3237                 */
3238                 temp_ff.full = dfixed_const((16/pixel_bytes2));
3239                 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3240
3241                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3242                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3243                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3244                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3245                 if ((rdev->family == CHIP_R350) &&
3246                     (stop_req > 0x15)) {
3247                         stop_req -= 0x10;
3248                 }
3249                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3250                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3251                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3252                           RADEON_GRPH_CRITICAL_AT_SOF |
3253                           RADEON_GRPH_STOP_CNTL);
3254
3255                 if ((rdev->family == CHIP_RS100) ||
3256                     (rdev->family == CHIP_RS200))
3257                         critical_point2 = 0;
3258                 else {
3259                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3260                         temp_ff.full = dfixed_const(temp);
3261                         temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3262                         if (sclk_ff.full < temp_ff.full)
3263                                 temp_ff.full = sclk_ff.full;
3264
3265                         read_return_rate.full = temp_ff.full;
3266
3267                         if (mode1) {
3268                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3269                                 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3270                         } else {
3271                                 time_disp1_drop_priority.full = 0;
3272                         }
3273                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3274                         crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3275                         crit_point_ff.full += dfixed_const_half(0);
3276
3277                         critical_point2 = dfixed_trunc(crit_point_ff);
3278
3279                         if (rdev->disp_priority == 2) {
3280                                 critical_point2 = 0;
3281                         }
3282
3283                         if (max_stop_req - critical_point2 < 4)
3284                                 critical_point2 = 0;
3285
3286                 }
3287
3288                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3289                         /* some R300 cards have problem with this set to 0 */
3290                         critical_point2 = 0x10;
3291                 }
3292
3293                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3294                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3295
3296                 if ((rdev->family == CHIP_RS400) ||
3297                     (rdev->family == CHIP_RS480)) {
3298 #if 0
3299                         /* attempt to program RS400 disp2 regs correctly ??? */
3300                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
3301                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3302                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
3303                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3304                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3305                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3306                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
3307                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3308                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3309                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3310                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3311                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3312 #endif
3313                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3314                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3315                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
3316                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3317                 }
3318
3319                 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3320                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3321         }
3322 }
3323
3324 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
3325 {
3326         DRM_ERROR("pitch                      %d\n", t->pitch);
3327         DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
3328         DRM_ERROR("width                      %d\n", t->width);
3329         DRM_ERROR("width_11                   %d\n", t->width_11);
3330         DRM_ERROR("height                     %d\n", t->height);
3331         DRM_ERROR("height_11                  %d\n", t->height_11);
3332         DRM_ERROR("num levels                 %d\n", t->num_levels);
3333         DRM_ERROR("depth                      %d\n", t->txdepth);
3334         DRM_ERROR("bpp                        %d\n", t->cpp);
3335         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
3336         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
3337         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
3338         DRM_ERROR("compress format            %d\n", t->compress_format);
3339 }
3340
3341 static int r100_track_compress_size(int compress_format, int w, int h)
3342 {
3343         int block_width, block_height, block_bytes;
3344         int wblocks, hblocks;
3345         int min_wblocks;
3346         int sz;
3347
3348         block_width = 4;
3349         block_height = 4;
3350
3351         switch (compress_format) {
3352         case R100_TRACK_COMP_DXT1:
3353                 block_bytes = 8;
3354                 min_wblocks = 4;
3355                 break;
3356         default:
3357         case R100_TRACK_COMP_DXT35:
3358                 block_bytes = 16;
3359                 min_wblocks = 2;
3360                 break;
3361         }
3362
3363         hblocks = (h + block_height - 1) / block_height;
3364         wblocks = (w + block_width - 1) / block_width;
3365         if (wblocks < min_wblocks)
3366                 wblocks = min_wblocks;
3367         sz = wblocks * hblocks * block_bytes;
3368         return sz;
3369 }
3370
3371 static int r100_cs_track_cube(struct radeon_device *rdev,
3372                               struct r100_cs_track *track, unsigned idx)
3373 {
3374         unsigned face, w, h;
3375         struct radeon_bo *cube_robj;
3376         unsigned long size;
3377         unsigned compress_format = track->textures[idx].compress_format;
3378
3379         for (face = 0; face < 5; face++) {
3380                 cube_robj = track->textures[idx].cube_info[face].robj;
3381                 w = track->textures[idx].cube_info[face].width;
3382                 h = track->textures[idx].cube_info[face].height;
3383
3384                 if (compress_format) {
3385                         size = r100_track_compress_size(compress_format, w, h);
3386                 } else
3387                         size = w * h;
3388                 size *= track->textures[idx].cpp;
3389
3390                 size += track->textures[idx].cube_info[face].offset;
3391
3392                 if (size > radeon_bo_size(cube_robj)) {
3393                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
3394                                   size, radeon_bo_size(cube_robj));
3395                         r100_cs_track_texture_print(&track->textures[idx]);
3396                         return -1;
3397                 }
3398         }
3399         return 0;
3400 }
3401
3402 static int r100_cs_track_texture_check(struct radeon_device *rdev,
3403                                        struct r100_cs_track *track)
3404 {
3405         struct radeon_bo *robj;
3406         unsigned long size;
3407         unsigned u, i, w, h, d;
3408         int ret;
3409
3410         for (u = 0; u < track->num_texture; u++) {
3411                 if (!track->textures[u].enabled)
3412                         continue;
3413                 if (track->textures[u].lookup_disable)
3414                         continue;
3415                 robj = track->textures[u].robj;
3416                 if (robj == NULL) {
3417                         DRM_ERROR("No texture bound to unit %u\n", u);
3418                         return -EINVAL;
3419                 }
3420                 size = 0;
3421                 for (i = 0; i <= track->textures[u].num_levels; i++) {
3422                         if (track->textures[u].use_pitch) {
3423                                 if (rdev->family < CHIP_R300)
3424                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
3425                                 else
3426                                         w = track->textures[u].pitch / (1 << i);
3427                         } else {
3428                                 w = track->textures[u].width;
3429                                 if (rdev->family >= CHIP_RV515)
3430                                         w |= track->textures[u].width_11;
3431                                 w = w / (1 << i);
3432                                 if (track->textures[u].roundup_w)
3433                                         w = roundup_pow_of_two(w);
3434                         }
3435                         h = track->textures[u].height;
3436                         if (rdev->family >= CHIP_RV515)
3437                                 h |= track->textures[u].height_11;
3438                         h = h / (1 << i);
3439                         if (track->textures[u].roundup_h)
3440                                 h = roundup_pow_of_two(h);
3441                         if (track->textures[u].tex_coord_type == 1) {
3442                                 d = (1 << track->textures[u].txdepth) / (1 << i);
3443                                 if (!d)
3444                                         d = 1;
3445                         } else {
3446                                 d = 1;
3447                         }
3448                         if (track->textures[u].compress_format) {
3449
3450                                 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
3451                                 /* compressed textures are block based */
3452                         } else
3453                                 size += w * h * d;
3454                 }
3455                 size *= track->textures[u].cpp;
3456
3457                 switch (track->textures[u].tex_coord_type) {
3458                 case 0:
3459                 case 1:
3460                         break;
3461                 case 2:
3462                         if (track->separate_cube) {
3463                                 ret = r100_cs_track_cube(rdev, track, u);
3464                                 if (ret)
3465                                         return ret;
3466                         } else
3467                                 size *= 6;
3468                         break;
3469                 default:
3470                         DRM_ERROR("Invalid texture coordinate type %u for unit "
3471                                   "%u\n", track->textures[u].tex_coord_type, u);
3472                         return -EINVAL;
3473                 }
3474                 if (size > radeon_bo_size(robj)) {
3475                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
3476                                   "%lu\n", u, size, radeon_bo_size(robj));
3477                         r100_cs_track_texture_print(&track->textures[u]);
3478                         return -EINVAL;
3479                 }
3480         }
3481         return 0;
3482 }
3483
3484 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
3485 {
3486         unsigned i;
3487         unsigned long size;
3488         unsigned prim_walk;
3489         unsigned nverts;
3490         unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
3491
3492         if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
3493             !track->blend_read_enable)
3494                 num_cb = 0;
3495
3496         for (i = 0; i < num_cb; i++) {
3497                 if (track->cb[i].robj == NULL) {
3498                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
3499                         return -EINVAL;
3500                 }
3501                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
3502                 size += track->cb[i].offset;
3503                 if (size > radeon_bo_size(track->cb[i].robj)) {
3504                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
3505                                   "(need %lu have %lu) !\n", i, size,
3506                                   radeon_bo_size(track->cb[i].robj));
3507                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
3508                                   i, track->cb[i].pitch, track->cb[i].cpp,
3509                                   track->cb[i].offset, track->maxy);
3510                         return -EINVAL;
3511                 }
3512         }
3513         track->cb_dirty = false;
3514
3515         if (track->zb_dirty && track->z_enabled) {
3516                 if (track->zb.robj == NULL) {
3517                         DRM_ERROR("[drm] No buffer for z buffer !\n");
3518                         return -EINVAL;
3519                 }
3520                 size = track->zb.pitch * track->zb.cpp * track->maxy;
3521                 size += track->zb.offset;
3522                 if (size > radeon_bo_size(track->zb.robj)) {
3523                         DRM_ERROR("[drm] Buffer too small for z buffer "
3524                                   "(need %lu have %lu) !\n", size,
3525                                   radeon_bo_size(track->zb.robj));
3526                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
3527                                   track->zb.pitch, track->zb.cpp,
3528                                   track->zb.offset, track->maxy);
3529                         return -EINVAL;
3530                 }
3531         }
3532         track->zb_dirty = false;
3533
3534         if (track->aa_dirty && track->aaresolve) {
3535                 if (track->aa.robj == NULL) {
3536                         DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
3537                         return -EINVAL;
3538                 }
3539                 /* I believe the format comes from colorbuffer0. */
3540                 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
3541                 size += track->aa.offset;
3542                 if (size > radeon_bo_size(track->aa.robj)) {
3543                         DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
3544                                   "(need %lu have %lu) !\n", i, size,
3545                                   radeon_bo_size(track->aa.robj));
3546                         DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
3547                                   i, track->aa.pitch, track->cb[0].cpp,
3548                                   track->aa.offset, track->maxy);
3549                         return -EINVAL;
3550                 }
3551         }
3552         track->aa_dirty = false;
3553
3554         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
3555         if (track->vap_vf_cntl & (1 << 14)) {
3556                 nverts = track->vap_alt_nverts;
3557         } else {
3558                 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
3559         }
3560         switch (prim_walk) {
3561         case 1:
3562                 for (i = 0; i < track->num_arrays; i++) {
3563                         size = track->arrays[i].esize * track->max_indx * 4;
3564                         if (track->arrays[i].robj == NULL) {
3565                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3566                                           "bound\n", prim_walk, i);
3567                                 return -EINVAL;
3568                         }
3569                         if (size > radeon_bo_size(track->arrays[i].robj)) {
3570                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3571                                         "need %lu dwords have %lu dwords\n",
3572                                         prim_walk, i, size >> 2,
3573                                         radeon_bo_size(track->arrays[i].robj)
3574                                         >> 2);
3575                                 DRM_ERROR("Max indices %u\n", track->max_indx);
3576                                 return -EINVAL;
3577                         }
3578                 }
3579                 break;
3580         case 2:
3581                 for (i = 0; i < track->num_arrays; i++) {
3582                         size = track->arrays[i].esize * (nverts - 1) * 4;
3583                         if (track->arrays[i].robj == NULL) {
3584                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3585                                           "bound\n", prim_walk, i);
3586                                 return -EINVAL;
3587                         }
3588                         if (size > radeon_bo_size(track->arrays[i].robj)) {
3589                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3590                                         "need %lu dwords have %lu dwords\n",
3591                                         prim_walk, i, size >> 2,
3592                                         radeon_bo_size(track->arrays[i].robj)
3593                                         >> 2);
3594                                 return -EINVAL;
3595                         }
3596                 }
3597                 break;
3598         case 3:
3599                 size = track->vtx_size * nverts;
3600                 if (size != track->immd_dwords) {
3601                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
3602                                   track->immd_dwords, size);
3603                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
3604                                   nverts, track->vtx_size);
3605                         return -EINVAL;
3606                 }
3607                 break;
3608         default:
3609                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
3610                           prim_walk);
3611                 return -EINVAL;
3612         }
3613
3614         if (track->tex_dirty) {
3615                 track->tex_dirty = false;
3616                 return r100_cs_track_texture_check(rdev, track);
3617         }
3618         return 0;
3619 }
3620
3621 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
3622 {
3623         unsigned i, face;
3624
3625         track->cb_dirty = true;
3626         track->zb_dirty = true;
3627         track->tex_dirty = true;
3628         track->aa_dirty = true;
3629
3630         if (rdev->family < CHIP_R300) {
3631                 track->num_cb = 1;
3632                 if (rdev->family <= CHIP_RS200)
3633                         track->num_texture = 3;
3634                 else
3635                         track->num_texture = 6;
3636                 track->maxy = 2048;
3637                 track->separate_cube = 1;
3638         } else {
3639                 track->num_cb = 4;
3640                 track->num_texture = 16;
3641                 track->maxy = 4096;
3642                 track->separate_cube = 0;
3643                 track->aaresolve = false;
3644                 track->aa.robj = NULL;
3645         }
3646
3647         for (i = 0; i < track->num_cb; i++) {
3648                 track->cb[i].robj = NULL;
3649                 track->cb[i].pitch = 8192;
3650                 track->cb[i].cpp = 16;
3651                 track->cb[i].offset = 0;
3652         }
3653         track->z_enabled = true;
3654         track->zb.robj = NULL;
3655         track->zb.pitch = 8192;
3656         track->zb.cpp = 4;
3657         track->zb.offset = 0;
3658         track->vtx_size = 0x7F;
3659         track->immd_dwords = 0xFFFFFFFFUL;
3660         track->num_arrays = 11;
3661         track->max_indx = 0x00FFFFFFUL;
3662         for (i = 0; i < track->num_arrays; i++) {
3663                 track->arrays[i].robj = NULL;
3664                 track->arrays[i].esize = 0x7F;
3665         }
3666         for (i = 0; i < track->num_texture; i++) {
3667                 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
3668                 track->textures[i].pitch = 16536;
3669                 track->textures[i].width = 16536;
3670                 track->textures[i].height = 16536;
3671                 track->textures[i].width_11 = 1 << 11;
3672                 track->textures[i].height_11 = 1 << 11;
3673                 track->textures[i].num_levels = 12;
3674                 if (rdev->family <= CHIP_RS200) {
3675                         track->textures[i].tex_coord_type = 0;
3676                         track->textures[i].txdepth = 0;
3677                 } else {
3678                         track->textures[i].txdepth = 16;
3679                         track->textures[i].tex_coord_type = 1;
3680                 }
3681                 track->textures[i].cpp = 64;
3682                 track->textures[i].robj = NULL;
3683                 /* CS IB emission code makes sure texture unit are disabled */
3684                 track->textures[i].enabled = false;
3685                 track->textures[i].lookup_disable = false;
3686                 track->textures[i].roundup_w = true;
3687                 track->textures[i].roundup_h = true;
3688                 if (track->separate_cube)
3689                         for (face = 0; face < 5; face++) {
3690                                 track->textures[i].cube_info[face].robj = NULL;
3691                                 track->textures[i].cube_info[face].width = 16536;
3692                                 track->textures[i].cube_info[face].height = 16536;
3693                                 track->textures[i].cube_info[face].offset = 0;
3694                         }
3695         }
3696 }
3697
3698 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3699 {
3700         uint32_t scratch;
3701         uint32_t tmp = 0;
3702         unsigned i;
3703         int r;
3704
3705         r = radeon_scratch_get(rdev, &scratch);
3706         if (r) {
3707                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3708                 return r;
3709         }
3710         WREG32(scratch, 0xCAFEDEAD);
3711         r = radeon_ring_lock(rdev, ring, 2);
3712         if (r) {
3713                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3714                 radeon_scratch_free(rdev, scratch);
3715                 return r;
3716         }
3717         radeon_ring_write(ring, PACKET0(scratch, 0));
3718         radeon_ring_write(ring, 0xDEADBEEF);
3719         radeon_ring_unlock_commit(rdev, ring);
3720         for (i = 0; i < rdev->usec_timeout; i++) {
3721                 tmp = RREG32(scratch);
3722                 if (tmp == 0xDEADBEEF) {
3723                         break;
3724                 }
3725                 DRM_UDELAY(1);
3726         }
3727         if (i < rdev->usec_timeout) {
3728                 DRM_INFO("ring test succeeded in %d usecs\n", i);
3729         } else {
3730                 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3731                           scratch, tmp);
3732                 r = -EINVAL;
3733         }
3734         radeon_scratch_free(rdev, scratch);
3735         return r;
3736 }
3737
3738 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3739 {
3740         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3741
3742         radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3743         radeon_ring_write(ring, ib->gpu_addr);
3744         radeon_ring_write(ring, ib->length_dw);
3745 }
3746
3747 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3748 {
3749         struct radeon_ib *ib;
3750         uint32_t scratch;
3751         uint32_t tmp = 0;
3752         unsigned i;
3753         int r;
3754
3755         r = radeon_scratch_get(rdev, &scratch);
3756         if (r) {
3757                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3758                 return r;
3759         }
3760         WREG32(scratch, 0xCAFEDEAD);
3761         r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, 256);
3762         if (r) {
3763                 return r;
3764         }
3765         ib->ptr[0] = PACKET0(scratch, 0);
3766         ib->ptr[1] = 0xDEADBEEF;
3767         ib->ptr[2] = PACKET2(0);
3768         ib->ptr[3] = PACKET2(0);
3769         ib->ptr[4] = PACKET2(0);
3770         ib->ptr[5] = PACKET2(0);
3771         ib->ptr[6] = PACKET2(0);
3772         ib->ptr[7] = PACKET2(0);
3773         ib->length_dw = 8;
3774         r = radeon_ib_schedule(rdev, ib);
3775         if (r) {
3776                 radeon_scratch_free(rdev, scratch);
3777                 radeon_ib_free(rdev, &ib);
3778                 return r;
3779         }
3780         r = radeon_fence_wait(ib->fence, false);
3781         if (r) {
3782                 return r;
3783         }
3784         for (i = 0; i < rdev->usec_timeout; i++) {
3785                 tmp = RREG32(scratch);
3786                 if (tmp == 0xDEADBEEF) {
3787                         break;
3788                 }
3789                 DRM_UDELAY(1);
3790         }
3791         if (i < rdev->usec_timeout) {
3792                 DRM_INFO("ib test succeeded in %u usecs\n", i);
3793         } else {
3794                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3795                           scratch, tmp);
3796                 r = -EINVAL;
3797         }
3798         radeon_scratch_free(rdev, scratch);
3799         radeon_ib_free(rdev, &ib);
3800         return r;
3801 }
3802
3803 void r100_ib_fini(struct radeon_device *rdev)
3804 {
3805         radeon_ib_pool_suspend(rdev);
3806         radeon_ib_pool_fini(rdev);
3807 }
3808
3809 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3810 {
3811         /* Shutdown CP we shouldn't need to do that but better be safe than
3812          * sorry
3813          */
3814         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3815         WREG32(R_000740_CP_CSQ_CNTL, 0);
3816
3817         /* Save few CRTC registers */
3818         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3819         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3820         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3821         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3822         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3823                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3824                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3825         }
3826
3827         /* Disable VGA aperture access */
3828         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3829         /* Disable cursor, overlay, crtc */
3830         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3831         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3832                                         S_000054_CRTC_DISPLAY_DIS(1));
3833         WREG32(R_000050_CRTC_GEN_CNTL,
3834                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3835                         S_000050_CRTC_DISP_REQ_EN_B(1));
3836         WREG32(R_000420_OV0_SCALE_CNTL,
3837                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3838         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3839         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3840                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3841                                                 S_000360_CUR2_LOCK(1));
3842                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3843                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3844                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3845                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3846                 WREG32(R_000360_CUR2_OFFSET,
3847                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3848         }
3849 }
3850
3851 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3852 {
3853         /* Update base address for crtc */
3854         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3855         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3856                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3857         }
3858         /* Restore CRTC registers */
3859         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3860         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3861         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3862         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3863                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3864         }
3865 }
3866
3867 void r100_vga_render_disable(struct radeon_device *rdev)
3868 {
3869         u32 tmp;
3870
3871         tmp = RREG8(R_0003C2_GENMO_WT);
3872         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3873 }
3874
3875 static void r100_debugfs(struct radeon_device *rdev)
3876 {
3877         int r;
3878
3879         r = r100_debugfs_mc_info_init(rdev);
3880         if (r)
3881                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3882 }
3883
3884 static void r100_mc_program(struct radeon_device *rdev)
3885 {
3886         struct r100_mc_save save;
3887
3888         /* Stops all mc clients */
3889         r100_mc_stop(rdev, &save);
3890         if (rdev->flags & RADEON_IS_AGP) {
3891                 WREG32(R_00014C_MC_AGP_LOCATION,
3892                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3893                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3894                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3895                 if (rdev->family > CHIP_RV200)
3896                         WREG32(R_00015C_AGP_BASE_2,
3897                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3898         } else {
3899                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3900                 WREG32(R_000170_AGP_BASE, 0);
3901                 if (rdev->family > CHIP_RV200)
3902                         WREG32(R_00015C_AGP_BASE_2, 0);
3903         }
3904         /* Wait for mc idle */
3905         if (r100_mc_wait_for_idle(rdev))
3906                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3907         /* Program MC, should be a 32bits limited address space */
3908         WREG32(R_000148_MC_FB_LOCATION,
3909                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3910                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3911         r100_mc_resume(rdev, &save);
3912 }
3913
3914 void r100_clock_startup(struct radeon_device *rdev)
3915 {
3916         u32 tmp;
3917
3918         if (radeon_dynclks != -1 && radeon_dynclks)
3919                 radeon_legacy_set_clock_gating(rdev, 1);
3920         /* We need to force on some of the block */
3921         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3922         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3923         if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3924                 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3925         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3926 }
3927
3928 static int r100_startup(struct radeon_device *rdev)
3929 {
3930         int r;
3931
3932         /* set common regs */
3933         r100_set_common_regs(rdev);
3934         /* program mc */
3935         r100_mc_program(rdev);
3936         /* Resume clock */
3937         r100_clock_startup(rdev);
3938         /* Initialize GART (initialize after TTM so we can allocate
3939          * memory through TTM but finalize after TTM) */
3940         r100_enable_bm(rdev);
3941         if (rdev->flags & RADEON_IS_PCI) {
3942                 r = r100_pci_gart_enable(rdev);
3943                 if (r)
3944                         return r;
3945         }
3946
3947         /* allocate wb buffer */
3948         r = radeon_wb_init(rdev);
3949         if (r)
3950                 return r;
3951
3952         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3953         if (r) {
3954                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3955                 return r;
3956         }
3957
3958         /* Enable IRQ */
3959         r100_irq_set(rdev);
3960         rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3961         /* 1M ring buffer */
3962         r = r100_cp_init(rdev, 1024 * 1024);
3963         if (r) {
3964                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3965                 return r;
3966         }
3967
3968         r = radeon_ib_pool_start(rdev);
3969         if (r)
3970                 return r;
3971
3972         r = radeon_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
3973         if (r) {
3974                 dev_err(rdev->dev, "failed testing IB (%d).\n", r);
3975                 rdev->accel_working = false;
3976                 return r;
3977         }
3978
3979         return 0;
3980 }
3981
3982 int r100_resume(struct radeon_device *rdev)
3983 {
3984         int r;
3985
3986         /* Make sur GART are not working */
3987         if (rdev->flags & RADEON_IS_PCI)
3988                 r100_pci_gart_disable(rdev);
3989         /* Resume clock before doing reset */
3990         r100_clock_startup(rdev);
3991         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3992         if (radeon_asic_reset(rdev)) {
3993                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3994                         RREG32(R_000E40_RBBM_STATUS),
3995                         RREG32(R_0007C0_CP_STAT));
3996         }
3997         /* post */
3998         radeon_combios_asic_init(rdev->ddev);
3999         /* Resume clock after posting */
4000         r100_clock_startup(rdev);
4001         /* Initialize surface registers */
4002         radeon_surface_init(rdev);
4003
4004         rdev->accel_working = true;
4005         r = r100_startup(rdev);
4006         if (r) {
4007                 rdev->accel_working = false;
4008         }
4009         return r;
4010 }
4011
4012 int r100_suspend(struct radeon_device *rdev)
4013 {
4014         radeon_ib_pool_suspend(rdev);
4015         r100_cp_disable(rdev);
4016         radeon_wb_disable(rdev);
4017         r100_irq_disable(rdev);
4018         if (rdev->flags & RADEON_IS_PCI)
4019                 r100_pci_gart_disable(rdev);
4020         return 0;
4021 }
4022
4023 void r100_fini(struct radeon_device *rdev)
4024 {
4025         r100_cp_fini(rdev);
4026         radeon_wb_fini(rdev);
4027         r100_ib_fini(rdev);
4028         radeon_gem_fini(rdev);
4029         if (rdev->flags & RADEON_IS_PCI)
4030                 r100_pci_gart_fini(rdev);
4031         radeon_agp_fini(rdev);
4032         radeon_irq_kms_fini(rdev);
4033         radeon_fence_driver_fini(rdev);
4034         radeon_bo_fini(rdev);
4035         radeon_atombios_fini(rdev);
4036         kfree(rdev->bios);
4037         rdev->bios = NULL;
4038 }
4039
4040 /*
4041  * Due to how kexec works, it can leave the hw fully initialised when it
4042  * boots the new kernel. However doing our init sequence with the CP and
4043  * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
4044  * do some quick sanity checks and restore sane values to avoid this
4045  * problem.
4046  */
4047 void r100_restore_sanity(struct radeon_device *rdev)
4048 {
4049         u32 tmp;
4050
4051         tmp = RREG32(RADEON_CP_CSQ_CNTL);
4052         if (tmp) {
4053                 WREG32(RADEON_CP_CSQ_CNTL, 0);
4054         }
4055         tmp = RREG32(RADEON_CP_RB_CNTL);
4056         if (tmp) {
4057                 WREG32(RADEON_CP_RB_CNTL, 0);
4058         }
4059         tmp = RREG32(RADEON_SCRATCH_UMSK);
4060         if (tmp) {
4061                 WREG32(RADEON_SCRATCH_UMSK, 0);
4062         }
4063 }
4064
4065 int r100_init(struct radeon_device *rdev)
4066 {
4067         int r;
4068
4069         /* Register debugfs file specific to this group of asics */
4070         r100_debugfs(rdev);
4071         /* Disable VGA */
4072         r100_vga_render_disable(rdev);
4073         /* Initialize scratch registers */
4074         radeon_scratch_init(rdev);
4075         /* Initialize surface registers */
4076         radeon_surface_init(rdev);
4077         /* sanity check some register to avoid hangs like after kexec */
4078         r100_restore_sanity(rdev);
4079         /* TODO: disable VGA need to use VGA request */
4080         /* BIOS*/
4081         if (!radeon_get_bios(rdev)) {
4082                 if (ASIC_IS_AVIVO(rdev))
4083                         return -EINVAL;
4084         }
4085         if (rdev->is_atom_bios) {
4086                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4087                 return -EINVAL;
4088         } else {
4089                 r = radeon_combios_init(rdev);
4090                 if (r)
4091                         return r;
4092         }
4093         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4094         if (radeon_asic_reset(rdev)) {
4095                 dev_warn(rdev->dev,
4096                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4097                         RREG32(R_000E40_RBBM_STATUS),
4098                         RREG32(R_0007C0_CP_STAT));
4099         }
4100         /* check if cards are posted or not */
4101         if (radeon_boot_test_post_card(rdev) == false)
4102                 return -EINVAL;
4103         /* Set asic errata */
4104         r100_errata(rdev);
4105         /* Initialize clocks */
4106         radeon_get_clock_info(rdev->ddev);
4107         /* initialize AGP */
4108         if (rdev->flags & RADEON_IS_AGP) {
4109                 r = radeon_agp_init(rdev);
4110                 if (r) {
4111                         radeon_agp_disable(rdev);
4112                 }
4113         }
4114         /* initialize VRAM */
4115         r100_mc_init(rdev);
4116         /* Fence driver */
4117         r = radeon_fence_driver_init(rdev);
4118         if (r)
4119                 return r;
4120         r = radeon_irq_kms_init(rdev);
4121         if (r)
4122                 return r;
4123         /* Memory manager */
4124         r = radeon_bo_init(rdev);
4125         if (r)
4126                 return r;
4127         if (rdev->flags & RADEON_IS_PCI) {
4128                 r = r100_pci_gart_init(rdev);
4129                 if (r)
4130                         return r;
4131         }
4132         r100_set_safe_registers(rdev);
4133
4134         r = radeon_ib_pool_init(rdev);
4135         rdev->accel_working = true;
4136         if (r) {
4137                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
4138                 rdev->accel_working = false;
4139         }
4140
4141         r = r100_startup(rdev);
4142         if (r) {
4143                 /* Somethings want wront with the accel init stop accel */
4144                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4145                 r100_cp_fini(rdev);
4146                 radeon_wb_fini(rdev);
4147                 r100_ib_fini(rdev);
4148                 radeon_irq_kms_fini(rdev);
4149                 if (rdev->flags & RADEON_IS_PCI)
4150                         r100_pci_gart_fini(rdev);
4151                 rdev->accel_working = false;
4152         }
4153         return 0;
4154 }
4155
4156 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
4157 {
4158         if (reg < rdev->rmmio_size)
4159                 return readl(((void __iomem *)rdev->rmmio) + reg);
4160         else {
4161                 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4162                 return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4163         }
4164 }
4165
4166 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4167 {
4168         if (reg < rdev->rmmio_size)
4169                 writel(v, ((void __iomem *)rdev->rmmio) + reg);
4170         else {
4171                 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4172                 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4173         }
4174 }
4175
4176 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4177 {
4178         if (reg < rdev->rio_mem_size)
4179                 return ioread32(rdev->rio_mem + reg);
4180         else {
4181                 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4182                 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4183         }
4184 }
4185
4186 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4187 {
4188         if (reg < rdev->rio_mem_size)
4189                 iowrite32(v, rdev->rio_mem + reg);
4190         else {
4191                 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4192                 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4193         }
4194 }