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
  45 #include "r100_reg_safe.h"
  46 #include "rn50_reg_safe.h"
  47
  48 /* Firmware Names */
  49 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  50 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  51 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  52 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  53 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  54 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  55 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  56
  57 MODULE_FIRMWARE(FIRMWARE_R100);
  58 MODULE_FIRMWARE(FIRMWARE_R200);
  59 MODULE_FIRMWARE(FIRMWARE_R300);
  60 MODULE_FIRMWARE(FIRMWARE_R420);
  61 MODULE_FIRMWARE(FIRMWARE_RS690);
  62 MODULE_FIRMWARE(FIRMWARE_RS600);
  63 MODULE_FIRMWARE(FIRMWARE_R520);
  64
  65 #include "r100_track.h"
  66
  67 /* This files gather functions specifics to:
  68  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  69  */
  70
  71 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
  72 {
  73         int i;
  74         rdev->pm.dynpm_can_upclock = true;
  75         rdev->pm.dynpm_can_downclock = true;
  76
  77         switch (rdev->pm.dynpm_planned_action) {
  78         case DYNPM_ACTION_MINIMUM:
  79                 rdev->pm.requested_power_state_index = 0;
  80                 rdev->pm.dynpm_can_downclock = false;
  81                 break;
  82         case DYNPM_ACTION_DOWNCLOCK:
  83                 if (rdev->pm.current_power_state_index == 0) {
  84                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
  85                         rdev->pm.dynpm_can_downclock = false;
  86                 } else {
  87                         if (rdev->pm.active_crtc_count > 1) {
  88                                 for (i = 0; i < rdev->pm.num_power_states; i++) {
  89                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
  90                                                 continue;
  91                                         else if (i >= rdev->pm.current_power_state_index) {
  92                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
  93                                                 break;
  94                                         } else {
  95                                                 rdev->pm.requested_power_state_index = i;
  96                                                 break;
  97                                         }
  98                                 }
  99                         } else
 100                                 rdev->pm.requested_power_state_index =
 101                                         rdev->pm.current_power_state_index - 1;
 102                 }
 103                 /* don't use the power state if crtcs are active and no display flag is set */
 104                 if ((rdev->pm.active_crtc_count > 0) &&
 105                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
 106                      RADEON_PM_MODE_NO_DISPLAY)) {
 107                         rdev->pm.requested_power_state_index++;
 108                 }
 109                 break;
 110         case DYNPM_ACTION_UPCLOCK:
 111                 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 112                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 113                         rdev->pm.dynpm_can_upclock = false;
 114                 } else {
 115                         if (rdev->pm.active_crtc_count > 1) {
 116                                 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 117                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 118                                                 continue;
 119                                         else if (i <= rdev->pm.current_power_state_index) {
 120                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 121                                                 break;
 122                                         } else {
 123                                                 rdev->pm.requested_power_state_index = i;
 124                                                 break;
 125                                         }
 126                                 }
 127                         } else
 128                                 rdev->pm.requested_power_state_index =
 129                                         rdev->pm.current_power_state_index + 1;
 130                 }
 131                 break;
 132         case DYNPM_ACTION_DEFAULT:
 133                 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 134                 rdev->pm.dynpm_can_upclock = false;
 135                 break;
 136         case DYNPM_ACTION_NONE:
 137         default:
 138                 DRM_ERROR("Requested mode for not defined action\n");
 139                 return;
 140         }
 141         /* only one clock mode per power state */
 142         rdev->pm.requested_clock_mode_index = 0;
 143
 144         DRM_DEBUG("Requested: e: %d m: %d p: %d\n",
 145                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 146                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 147                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 148                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 149                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 150                   pcie_lanes);
 151 }
 152
 153 void r100_pm_init_profile(struct radeon_device *rdev)
 154 {
 155         /* default */
 156         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 157         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 158         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 159         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 160         /* low sh */
 161         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 162         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 163         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 164         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 165         /* mid sh */
 166         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 167         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 168         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 169         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 170         /* high sh */
 171         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 172         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 173         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 174         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 175         /* low mh */
 176         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 177         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 178         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 179         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 180         /* mid mh */
 181         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 182         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 183         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 184         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 185         /* high mh */
 186         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 187         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 188         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 189         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 190 }
 191
 192 void r100_pm_misc(struct radeon_device *rdev)
 193 {
 194         int requested_index = rdev->pm.requested_power_state_index;
 195         struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 196         struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 197         u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
 198
 199         if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 200                 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 201                         tmp = RREG32(voltage->gpio.reg);
 202                         if (voltage->active_high)
 203                                 tmp |= voltage->gpio.mask;
 204                         else
 205                                 tmp &= ~(voltage->gpio.mask);
 206                         WREG32(voltage->gpio.reg, tmp);
 207                         if (voltage->delay)
 208                                 udelay(voltage->delay);
 209                 } else {
 210                         tmp = RREG32(voltage->gpio.reg);
 211                         if (voltage->active_high)
 212                                 tmp &= ~voltage->gpio.mask;
 213                         else
 214                                 tmp |= voltage->gpio.mask;
 215                         WREG32(voltage->gpio.reg, tmp);
 216                         if (voltage->delay)
 217                                 udelay(voltage->delay);
 218                 }
 219         }
 220
 221         sclk_cntl = RREG32_PLL(SCLK_CNTL);
 222         sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
 223         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
 224         sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
 225         sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
 226         if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 227                 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
 228                 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
 229                         sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
 230                 else
 231                         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
 232                 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
 233                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
 234                 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
 235                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
 236         } else
 237                 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
 238
 239         if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 240                 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
 241                 if (voltage->delay) {
 242                         sclk_more_cntl |= VOLTAGE_DROP_SYNC;
 243                         switch (voltage->delay) {
 244                         case 33:
 245                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
 246                                 break;
 247                         case 66:
 248                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
 249                                 break;
 250                         case 99:
 251                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
 252                                 break;
 253                         case 132:
 254                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
 255                                 break;
 256                         }
 257                 } else
 258                         sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
 259         } else
 260                 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
 261
 262         if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 263                 sclk_cntl &= ~FORCE_HDP;
 264         else
 265                 sclk_cntl |= FORCE_HDP;
 266
 267         WREG32_PLL(SCLK_CNTL, sclk_cntl);
 268         WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
 269         WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
 270
 271         /* set pcie lanes */
 272         if ((rdev->flags & RADEON_IS_PCIE) &&
 273             !(rdev->flags & RADEON_IS_IGP) &&
 274             rdev->asic->set_pcie_lanes &&
 275             (ps->pcie_lanes !=
 276              rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 277                 radeon_set_pcie_lanes(rdev,
 278                                       ps->pcie_lanes);
 279                 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes);
 280         }
 281 }
 282
 283 void r100_pm_prepare(struct radeon_device *rdev)
 284 {
 285         struct drm_device *ddev = rdev->ddev;
 286         struct drm_crtc *crtc;
 287         struct radeon_crtc *radeon_crtc;
 288         u32 tmp;
 289
 290         /* disable any active CRTCs */
 291         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 292                 radeon_crtc = to_radeon_crtc(crtc);
 293                 if (radeon_crtc->enabled) {
 294                         if (radeon_crtc->crtc_id) {
 295                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 296                                 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
 297                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 298                         } else {
 299                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 300                                 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
 301                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 302                         }
 303                 }
 304         }
 305 }
 306
 307 void r100_pm_finish(struct radeon_device *rdev)
 308 {
 309         struct drm_device *ddev = rdev->ddev;
 310         struct drm_crtc *crtc;
 311         struct radeon_crtc *radeon_crtc;
 312         u32 tmp;
 313
 314         /* enable any active CRTCs */
 315         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 316                 radeon_crtc = to_radeon_crtc(crtc);
 317                 if (radeon_crtc->enabled) {
 318                         if (radeon_crtc->crtc_id) {
 319                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 320                                 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
 321                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 322                         } else {
 323                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 324                                 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
 325                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 326                         }
 327                 }
 328         }
 329 }
 330
 331 bool r100_gui_idle(struct radeon_device *rdev)
 332 {
 333         if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
 334                 return false;
 335         else
 336                 return true;
 337 }
 338
 339 /* hpd for digital panel detect/disconnect */
 340 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 341 {
 342         bool connected = false;
 343
 344         switch (hpd) {
 345         case RADEON_HPD_1:
 346                 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
 347                         connected = true;
 348                 break;
 349         case RADEON_HPD_2:
 350                 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
 351                         connected = true;
 352                 break;
 353         default:
 354                 break;
 355         }
 356         return connected;
 357 }
 358
 359 void r100_hpd_set_polarity(struct radeon_device *rdev,
 360                            enum radeon_hpd_id hpd)
 361 {
 362         u32 tmp;
 363         bool connected = r100_hpd_sense(rdev, hpd);
 364
 365         switch (hpd) {
 366         case RADEON_HPD_1:
 367                 tmp = RREG32(RADEON_FP_GEN_CNTL);
 368                 if (connected)
 369                         tmp &= ~RADEON_FP_DETECT_INT_POL;
 370                 else
 371                         tmp |= RADEON_FP_DETECT_INT_POL;
 372                 WREG32(RADEON_FP_GEN_CNTL, tmp);
 373                 break;
 374         case RADEON_HPD_2:
 375                 tmp = RREG32(RADEON_FP2_GEN_CNTL);
 376                 if (connected)
 377                         tmp &= ~RADEON_FP2_DETECT_INT_POL;
 378                 else
 379                         tmp |= RADEON_FP2_DETECT_INT_POL;
 380                 WREG32(RADEON_FP2_GEN_CNTL, tmp);
 381                 break;
 382         default:
 383                 break;
 384         }
 385 }
 386
 387 void r100_hpd_init(struct radeon_device *rdev)
 388 {
 389         struct drm_device *dev = rdev->ddev;
 390         struct drm_connector *connector;
 391
 392         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 393                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 394                 switch (radeon_connector->hpd.hpd) {
 395                 case RADEON_HPD_1:
 396                         rdev->irq.hpd[0] = true;
 397                         break;
 398                 case RADEON_HPD_2:
 399                         rdev->irq.hpd[1] = true;
 400                         break;
 401                 default:
 402                         break;
 403                 }
 404         }
 405         if (rdev->irq.installed)
 406                 r100_irq_set(rdev);
 407 }
 408
 409 void r100_hpd_fini(struct radeon_device *rdev)
 410 {
 411         struct drm_device *dev = rdev->ddev;
 412         struct drm_connector *connector;
 413
 414         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 415                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 416                 switch (radeon_connector->hpd.hpd) {
 417                 case RADEON_HPD_1:
 418                         rdev->irq.hpd[0] = false;
 419                         break;
 420                 case RADEON_HPD_2:
 421                         rdev->irq.hpd[1] = false;
 422                         break;
 423                 default:
 424                         break;
 425                 }
 426         }
 427 }
 428
 429 /*
 430  * PCI GART
 431  */
 432 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 433 {
 434         /* TODO: can we do somethings here ? */
 435         /* It seems hw only cache one entry so we should discard this
 436          * entry otherwise if first GPU GART read hit this entry it
 437          * could end up in wrong address. */
 438 }
 439
 440 int r100_pci_gart_init(struct radeon_device *rdev)
 441 {
 442         int r;
 443
 444         if (rdev->gart.table.ram.ptr) {
 445                 WARN(1, "R100 PCI GART already initialized.\n");
 446                 return 0;
 447         }
 448         /* Initialize common gart structure */
 449         r = radeon_gart_init(rdev);
 450         if (r)
 451                 return r;
 452         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 453         rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
 454         rdev->asic->gart_set_page = &r100_pci_gart_set_page;
 455         return radeon_gart_table_ram_alloc(rdev);
 456 }
 457
 458 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
 459 void r100_enable_bm(struct radeon_device *rdev)
 460 {
 461         uint32_t tmp;
 462         /* Enable bus mastering */
 463         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 464         WREG32(RADEON_BUS_CNTL, tmp);
 465 }
 466
 467 int r100_pci_gart_enable(struct radeon_device *rdev)
 468 {
 469         uint32_t tmp;
 470
 471         radeon_gart_restore(rdev);
 472         /* discard memory request outside of configured range */
 473         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 474         WREG32(RADEON_AIC_CNTL, tmp);
 475         /* set address range for PCI address translate */
 476         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 477         WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 478         /* set PCI GART page-table base address */
 479         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 480         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 481         WREG32(RADEON_AIC_CNTL, tmp);
 482         r100_pci_gart_tlb_flush(rdev);
 483         rdev->gart.ready = true;
 484         return 0;
 485 }
 486
 487 void r100_pci_gart_disable(struct radeon_device *rdev)
 488 {
 489         uint32_t tmp;
 490
 491         /* discard memory request outside of configured range */
 492         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 493         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 494         WREG32(RADEON_AIC_LO_ADDR, 0);
 495         WREG32(RADEON_AIC_HI_ADDR, 0);
 496 }
 497
 498 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 499 {
 500         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 501                 return -EINVAL;
 502         }
 503         rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
 504         return 0;
 505 }
 506
 507 void r100_pci_gart_fini(struct radeon_device *rdev)
 508 {
 509         radeon_gart_fini(rdev);
 510         r100_pci_gart_disable(rdev);
 511         radeon_gart_table_ram_free(rdev);
 512 }
 513
 514 int r100_irq_set(struct radeon_device *rdev)
 515 {
 516         uint32_t tmp = 0;
 517
 518         if (!rdev->irq.installed) {
 519                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
 520                 WREG32(R_000040_GEN_INT_CNTL, 0);
 521                 return -EINVAL;
 522         }
 523         if (rdev->irq.sw_int) {
 524                 tmp |= RADEON_SW_INT_ENABLE;
 525         }
 526         if (rdev->irq.gui_idle) {
 527                 tmp |= RADEON_GUI_IDLE_MASK;
 528         }
 529         if (rdev->irq.crtc_vblank_int[0]) {
 530                 tmp |= RADEON_CRTC_VBLANK_MASK;
 531         }
 532         if (rdev->irq.crtc_vblank_int[1]) {
 533                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 534         }
 535         if (rdev->irq.hpd[0]) {
 536                 tmp |= RADEON_FP_DETECT_MASK;
 537         }
 538         if (rdev->irq.hpd[1]) {
 539                 tmp |= RADEON_FP2_DETECT_MASK;
 540         }
 541         WREG32(RADEON_GEN_INT_CNTL, tmp);
 542         return 0;
 543 }
 544
 545 void r100_irq_disable(struct radeon_device *rdev)
 546 {
 547         u32 tmp;
 548
 549         WREG32(R_000040_GEN_INT_CNTL, 0);
 550         /* Wait and acknowledge irq */
 551         mdelay(1);
 552         tmp = RREG32(R_000044_GEN_INT_STATUS);
 553         WREG32(R_000044_GEN_INT_STATUS, tmp);
 554 }
 555
 556 static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 557 {
 558         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 559         uint32_t irq_mask = RADEON_SW_INT_TEST |
 560                 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 561                 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 562
 563         /* the interrupt works, but the status bit is permanently asserted */
 564         if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) {
 565                 if (!rdev->irq.gui_idle_acked)
 566                         irq_mask |= RADEON_GUI_IDLE_STAT;
 567         }
 568
 569         if (irqs) {
 570                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 571         }
 572         return irqs & irq_mask;
 573 }
 574
 575 int r100_irq_process(struct radeon_device *rdev)
 576 {
 577         uint32_t status, msi_rearm;
 578         bool queue_hotplug = false;
 579
 580         /* reset gui idle ack.  the status bit is broken */
 581         rdev->irq.gui_idle_acked = false;
 582
 583         status = r100_irq_ack(rdev);
 584         if (!status) {
 585                 return IRQ_NONE;
 586         }
 587         if (rdev->shutdown) {
 588                 return IRQ_NONE;
 589         }
 590         while (status) {
 591                 /* SW interrupt */
 592                 if (status & RADEON_SW_INT_TEST) {
 593                         radeon_fence_process(rdev);
 594                 }
 595                 /* gui idle interrupt */
 596                 if (status & RADEON_GUI_IDLE_STAT) {
 597                         rdev->irq.gui_idle_acked = true;
 598                         rdev->pm.gui_idle = true;
 599                         wake_up(&rdev->irq.idle_queue);
 600                 }
 601                 /* Vertical blank interrupts */
 602                 if (status & RADEON_CRTC_VBLANK_STAT) {
 603                         drm_handle_vblank(rdev->ddev, 0);
 604                         rdev->pm.vblank_sync = true;
 605                         wake_up(&rdev->irq.vblank_queue);
 606                 }
 607                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 608                         drm_handle_vblank(rdev->ddev, 1);
 609                         rdev->pm.vblank_sync = true;
 610                         wake_up(&rdev->irq.vblank_queue);
 611                 }
 612                 if (status & RADEON_FP_DETECT_STAT) {
 613                         queue_hotplug = true;
 614                         DRM_DEBUG("HPD1\n");
 615                 }
 616                 if (status & RADEON_FP2_DETECT_STAT) {
 617                         queue_hotplug = true;
 618                         DRM_DEBUG("HPD2\n");
 619                 }
 620                 status = r100_irq_ack(rdev);
 621         }
 622         /* reset gui idle ack.  the status bit is broken */
 623         rdev->irq.gui_idle_acked = false;
 624         if (queue_hotplug)
 625                 queue_work(rdev->wq, &rdev->hotplug_work);
 626         if (rdev->msi_enabled) {
 627                 switch (rdev->family) {
 628                 case CHIP_RS400:
 629                 case CHIP_RS480:
 630                         msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 631                         WREG32(RADEON_AIC_CNTL, msi_rearm);
 632                         WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 633                         break;
 634                 default:
 635                         msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
 636                         WREG32(RADEON_MSI_REARM_EN, msi_rearm);
 637                         WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
 638                         break;
 639                 }
 640         }
 641         return IRQ_HANDLED;
 642 }
 643
 644 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 645 {
 646         if (crtc == 0)
 647                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 648         else
 649                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 650 }
 651
 652 /* Who ever call radeon_fence_emit should call ring_lock and ask
 653  * for enough space (today caller are ib schedule and buffer move) */
 654 void r100_fence_ring_emit(struct radeon_device *rdev,
 655                           struct radeon_fence *fence)
 656 {
 657         /* We have to make sure that caches are flushed before
 658          * CPU might read something from VRAM. */
 659         radeon_ring_write(rdev, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 660         radeon_ring_write(rdev, RADEON_RB3D_DC_FLUSH_ALL);
 661         radeon_ring_write(rdev, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 662         radeon_ring_write(rdev, RADEON_RB3D_ZC_FLUSH_ALL);
 663         /* Wait until IDLE & CLEAN */
 664         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 665         radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 666         radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 667         radeon_ring_write(rdev, rdev->config.r100.hdp_cntl |
 668                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 669         radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 670         radeon_ring_write(rdev, rdev->config.r100.hdp_cntl);
 671         /* Emit fence sequence & fire IRQ */
 672         radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 673         radeon_ring_write(rdev, fence->seq);
 674         radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 675         radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 676 }
 677
 678 int r100_wb_init(struct radeon_device *rdev)
 679 {
 680         int r;
 681
 682         if (rdev->wb.wb_obj == NULL) {
 683                 r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
 684                                         RADEON_GEM_DOMAIN_GTT,
 685                                         &rdev->wb.wb_obj);
 686                 if (r) {
 687                         dev_err(rdev->dev, "(%d) create WB buffer failed\n", r);
 688                         return r;
 689                 }
 690                 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
 691                 if (unlikely(r != 0))
 692                         return r;
 693                 r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
 694                                         &rdev->wb.gpu_addr);
 695                 if (r) {
 696                         dev_err(rdev->dev, "(%d) pin WB buffer failed\n", r);
 697                         radeon_bo_unreserve(rdev->wb.wb_obj);
 698                         return r;
 699                 }
 700                 r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
 701                 radeon_bo_unreserve(rdev->wb.wb_obj);
 702                 if (r) {
 703                         dev_err(rdev->dev, "(%d) map WB buffer failed\n", r);
 704                         return r;
 705                 }
 706         }
 707         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
 708         WREG32(R_00070C_CP_RB_RPTR_ADDR,
 709                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
 710         WREG32(R_000770_SCRATCH_UMSK, 0xff);
 711         return 0;
 712 }
 713
 714 void r100_wb_disable(struct radeon_device *rdev)
 715 {
 716         WREG32(R_000770_SCRATCH_UMSK, 0);
 717 }
 718
 719 void r100_wb_fini(struct radeon_device *rdev)
 720 {
 721         int r;
 722
 723         r100_wb_disable(rdev);
 724         if (rdev->wb.wb_obj) {
 725                 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
 726                 if (unlikely(r != 0)) {
 727                         dev_err(rdev->dev, "(%d) can't finish WB\n", r);
 728                         return;
 729                 }
 730                 radeon_bo_kunmap(rdev->wb.wb_obj);
 731                 radeon_bo_unpin(rdev->wb.wb_obj);
 732                 radeon_bo_unreserve(rdev->wb.wb_obj);
 733                 radeon_bo_unref(&rdev->wb.wb_obj);
 734                 rdev->wb.wb = NULL;
 735                 rdev->wb.wb_obj = NULL;
 736         }
 737 }
 738
 739 int r100_copy_blit(struct radeon_device *rdev,
 740                    uint64_t src_offset,
 741                    uint64_t dst_offset,
 742                    unsigned num_pages,
 743                    struct radeon_fence *fence)
 744 {
 745         uint32_t cur_pages;
 746         uint32_t stride_bytes = PAGE_SIZE;
 747         uint32_t pitch;
 748         uint32_t stride_pixels;
 749         unsigned ndw;
 750         int num_loops;
 751         int r = 0;
 752
 753         /* radeon limited to 16k stride */
 754         stride_bytes &= 0x3fff;
 755         /* radeon pitch is /64 */
 756         pitch = stride_bytes / 64;
 757         stride_pixels = stride_bytes / 4;
 758         num_loops = DIV_ROUND_UP(num_pages, 8191);
 759
 760         /* Ask for enough room for blit + flush + fence */
 761         ndw = 64 + (10 * num_loops);
 762         r = radeon_ring_lock(rdev, ndw);
 763         if (r) {
 764                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 765                 return -EINVAL;
 766         }
 767         while (num_pages > 0) {
 768                 cur_pages = num_pages;
 769                 if (cur_pages > 8191) {
 770                         cur_pages = 8191;
 771                 }
 772                 num_pages -= cur_pages;
 773
 774                 /* pages are in Y direction - height
 775                    page width in X direction - width */
 776                 radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
 777                 radeon_ring_write(rdev,
 778                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 779                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 780                                   RADEON_GMC_SRC_CLIPPING |
 781                                   RADEON_GMC_DST_CLIPPING |
 782                                   RADEON_GMC_BRUSH_NONE |
 783                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 784                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 785                                   RADEON_ROP3_S |
 786                                   RADEON_DP_SRC_SOURCE_MEMORY |
 787                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 788                                   RADEON_GMC_WR_MSK_DIS);
 789                 radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
 790                 radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
 791                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 792                 radeon_ring_write(rdev, 0);
 793                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 794                 radeon_ring_write(rdev, num_pages);
 795                 radeon_ring_write(rdev, num_pages);
 796                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
 797         }
 798         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 799         radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
 800         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 801         radeon_ring_write(rdev,
 802                           RADEON_WAIT_2D_IDLECLEAN |
 803                           RADEON_WAIT_HOST_IDLECLEAN |
 804                           RADEON_WAIT_DMA_GUI_IDLE);
 805         if (fence) {
 806                 r = radeon_fence_emit(rdev, fence);
 807         }
 808         radeon_ring_unlock_commit(rdev);
 809         return r;
 810 }
 811
 812 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 813 {
 814         unsigned i;
 815         u32 tmp;
 816
 817         for (i = 0; i < rdev->usec_timeout; i++) {
 818                 tmp = RREG32(R_000E40_RBBM_STATUS);
 819                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 820                         return 0;
 821                 }
 822                 udelay(1);
 823         }
 824         return -1;
 825 }
 826
 827 void r100_ring_start(struct radeon_device *rdev)
 828 {
 829         int r;
 830
 831         r = radeon_ring_lock(rdev, 2);
 832         if (r) {
 833                 return;
 834         }
 835         radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 836         radeon_ring_write(rdev,
 837                           RADEON_ISYNC_ANY2D_IDLE3D |
 838                           RADEON_ISYNC_ANY3D_IDLE2D |
 839                           RADEON_ISYNC_WAIT_IDLEGUI |
 840                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 841         radeon_ring_unlock_commit(rdev);
 842 }
 843
 844
 845 /* Load the microcode for the CP */
 846 static int r100_cp_init_microcode(struct radeon_device *rdev)
 847 {
 848         struct platform_device *pdev;
 849         const char *fw_name = NULL;
 850         int err;
 851
 852         DRM_DEBUG("\n");
 853
 854         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
 855         err = IS_ERR(pdev);
 856         if (err) {
 857                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
 858                 return -EINVAL;
 859         }
 860         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
 861             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
 862             (rdev->family == CHIP_RS200)) {
 863                 DRM_INFO("Loading R100 Microcode\n");
 864                 fw_name = FIRMWARE_R100;
 865         } else if ((rdev->family == CHIP_R200) ||
 866                    (rdev->family == CHIP_RV250) ||
 867                    (rdev->family == CHIP_RV280) ||
 868                    (rdev->family == CHIP_RS300)) {
 869                 DRM_INFO("Loading R200 Microcode\n");
 870                 fw_name = FIRMWARE_R200;
 871         } else if ((rdev->family == CHIP_R300) ||
 872                    (rdev->family == CHIP_R350) ||
 873                    (rdev->family == CHIP_RV350) ||
 874                    (rdev->family == CHIP_RV380) ||
 875                    (rdev->family == CHIP_RS400) ||
 876                    (rdev->family == CHIP_RS480)) {
 877                 DRM_INFO("Loading R300 Microcode\n");
 878                 fw_name = FIRMWARE_R300;
 879         } else if ((rdev->family == CHIP_R420) ||
 880                    (rdev->family == CHIP_R423) ||
 881                    (rdev->family == CHIP_RV410)) {
 882                 DRM_INFO("Loading R400 Microcode\n");
 883                 fw_name = FIRMWARE_R420;
 884         } else if ((rdev->family == CHIP_RS690) ||
 885                    (rdev->family == CHIP_RS740)) {
 886                 DRM_INFO("Loading RS690/RS740 Microcode\n");
 887                 fw_name = FIRMWARE_RS690;
 888         } else if (rdev->family == CHIP_RS600) {
 889                 DRM_INFO("Loading RS600 Microcode\n");
 890                 fw_name = FIRMWARE_RS600;
 891         } else if ((rdev->family == CHIP_RV515) ||
 892                    (rdev->family == CHIP_R520) ||
 893                    (rdev->family == CHIP_RV530) ||
 894                    (rdev->family == CHIP_R580) ||
 895                    (rdev->family == CHIP_RV560) ||
 896                    (rdev->family == CHIP_RV570)) {
 897                 DRM_INFO("Loading R500 Microcode\n");
 898                 fw_name = FIRMWARE_R520;
 899         }
 900
 901         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
 902         platform_device_unregister(pdev);
 903         if (err) {
 904                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
 905                        fw_name);
 906         } else if (rdev->me_fw->size % 8) {
 907                 printk(KERN_ERR
 908                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 909                        rdev->me_fw->size, fw_name);
 910                 err = -EINVAL;
 911                 release_firmware(rdev->me_fw);
 912                 rdev->me_fw = NULL;
 913         }
 914         return err;
 915 }
 916
 917 static void r100_cp_load_microcode(struct radeon_device *rdev)
 918 {
 919         const __be32 *fw_data;
 920         int i, size;
 921
 922         if (r100_gui_wait_for_idle(rdev)) {
 923                 printk(KERN_WARNING "Failed to wait GUI idle while "
 924                        "programming pipes. Bad things might happen.\n");
 925         }
 926
 927         if (rdev->me_fw) {
 928                 size = rdev->me_fw->size / 4;
 929                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
 930                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
 931                 for (i = 0; i < size; i += 2) {
 932                         WREG32(RADEON_CP_ME_RAM_DATAH,
 933                                be32_to_cpup(&fw_data[i]));
 934                         WREG32(RADEON_CP_ME_RAM_DATAL,
 935                                be32_to_cpup(&fw_data[i + 1]));
 936                 }
 937         }
 938 }
 939
 940 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 941 {
 942         unsigned rb_bufsz;
 943         unsigned rb_blksz;
 944         unsigned max_fetch;
 945         unsigned pre_write_timer;
 946         unsigned pre_write_limit;
 947         unsigned indirect2_start;
 948         unsigned indirect1_start;
 949         uint32_t tmp;
 950         int r;
 951
 952         if (r100_debugfs_cp_init(rdev)) {
 953                 DRM_ERROR("Failed to register debugfs file for CP !\n");
 954         }
 955         if (!rdev->me_fw) {
 956                 r = r100_cp_init_microcode(rdev);
 957                 if (r) {
 958                         DRM_ERROR("Failed to load firmware!\n");
 959                         return r;
 960                 }
 961         }
 962
 963         /* Align ring size */
 964         rb_bufsz = drm_order(ring_size / 8);
 965         ring_size = (1 << (rb_bufsz + 1)) * 4;
 966         r100_cp_load_microcode(rdev);
 967         r = radeon_ring_init(rdev, ring_size);
 968         if (r) {
 969                 return r;
 970         }
 971         /* Each time the cp read 1024 bytes (16 dword/quadword) update
 972          * the rptr copy in system ram */
 973         rb_blksz = 9;
 974         /* cp will read 128bytes at a time (4 dwords) */
 975         max_fetch = 1;
 976         rdev->cp.align_mask = 16 - 1;
 977         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
 978         pre_write_timer = 64;
 979         /* Force CP_RB_WPTR write if written more than one time before the
 980          * delay expire
 981          */
 982         pre_write_limit = 0;
 983         /* Setup the cp cache like this (cache size is 96 dwords) :
 984          *      RING            0  to 15
 985          *      INDIRECT1       16 to 79
 986          *      INDIRECT2       80 to 95
 987          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 988          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
 989          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 990          * Idea being that most of the gpu cmd will be through indirect1 buffer
 991          * so it gets the bigger cache.
 992          */
 993         indirect2_start = 80;
 994         indirect1_start = 16;
 995         /* cp setup */
 996         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
 997         tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
 998                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
 999                REG_SET(RADEON_MAX_FETCH, max_fetch) |
1000                RADEON_RB_NO_UPDATE);
1001 #ifdef __BIG_ENDIAN
1002         tmp |= RADEON_BUF_SWAP_32BIT;
1003 #endif
1004         WREG32(RADEON_CP_RB_CNTL, tmp);
1005
1006         /* Set ring address */
1007         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
1008         WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
1009         /* Force read & write ptr to 0 */
1010         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
1011         WREG32(RADEON_CP_RB_RPTR_WR, 0);
1012         WREG32(RADEON_CP_RB_WPTR, 0);
1013         WREG32(RADEON_CP_RB_CNTL, tmp);
1014         udelay(10);
1015         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
1016         rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
1017         /* protect against crazy HW on resume */
1018         rdev->cp.wptr &= rdev->cp.ptr_mask;
1019         /* Set cp mode to bus mastering & enable cp*/
1020         WREG32(RADEON_CP_CSQ_MODE,
1021                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1022                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1023         WREG32(0x718, 0);
1024         WREG32(0x744, 0x00004D4D);
1025         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1026         radeon_ring_start(rdev);
1027         r = radeon_ring_test(rdev);
1028         if (r) {
1029                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1030                 return r;
1031         }
1032         rdev->cp.ready = true;
1033         return 0;
1034 }
1035
1036 void r100_cp_fini(struct radeon_device *rdev)
1037 {
1038         if (r100_cp_wait_for_idle(rdev)) {
1039                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1040         }
1041         /* Disable ring */
1042         r100_cp_disable(rdev);
1043         radeon_ring_fini(rdev);
1044         DRM_INFO("radeon: cp finalized\n");
1045 }
1046
1047 void r100_cp_disable(struct radeon_device *rdev)
1048 {
1049         /* Disable ring */
1050         rdev->cp.ready = false;
1051         WREG32(RADEON_CP_CSQ_MODE, 0);
1052         WREG32(RADEON_CP_CSQ_CNTL, 0);
1053         if (r100_gui_wait_for_idle(rdev)) {
1054                 printk(KERN_WARNING "Failed to wait GUI idle while "
1055                        "programming pipes. Bad things might happen.\n");
1056         }
1057 }
1058
1059 void r100_cp_commit(struct radeon_device *rdev)
1060 {
1061         WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
1062         (void)RREG32(RADEON_CP_RB_WPTR);
1063 }
1064
1065
1066 /*
1067  * CS functions
1068  */
1069 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1070                           struct radeon_cs_packet *pkt,
1071                           const unsigned *auth, unsigned n,
1072                           radeon_packet0_check_t check)
1073 {
1074         unsigned reg;
1075         unsigned i, j, m;
1076         unsigned idx;
1077         int r;
1078
1079         idx = pkt->idx + 1;
1080         reg = pkt->reg;
1081         /* Check that register fall into register range
1082          * determined by the number of entry (n) in the
1083          * safe register bitmap.
1084          */
1085         if (pkt->one_reg_wr) {
1086                 if ((reg >> 7) > n) {
1087                         return -EINVAL;
1088                 }
1089         } else {
1090                 if (((reg + (pkt->count << 2)) >> 7) > n) {
1091                         return -EINVAL;
1092                 }
1093         }
1094         for (i = 0; i <= pkt->count; i++, idx++) {
1095                 j = (reg >> 7);
1096                 m = 1 << ((reg >> 2) & 31);
1097                 if (auth[j] & m) {
1098                         r = check(p, pkt, idx, reg);
1099                         if (r) {
1100                                 return r;
1101                         }
1102                 }
1103                 if (pkt->one_reg_wr) {
1104                         if (!(auth[j] & m)) {
1105                                 break;
1106                         }
1107                 } else {
1108                         reg += 4;
1109                 }
1110         }
1111         return 0;
1112 }
1113
1114 void r100_cs_dump_packet(struct radeon_cs_parser *p,
1115                          struct radeon_cs_packet *pkt)
1116 {
1117         volatile uint32_t *ib;
1118         unsigned i;
1119         unsigned idx;
1120
1121         ib = p->ib->ptr;
1122         idx = pkt->idx;
1123         for (i = 0; i <= (pkt->count + 1); i++, idx++) {
1124                 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
1125         }
1126 }
1127
1128 /**
1129  * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
1130  * @parser:     parser structure holding parsing context.
1131  * @pkt:        where to store packet informations
1132  *
1133  * Assume that chunk_ib_index is properly set. Will return -EINVAL
1134  * if packet is bigger than remaining ib size. or if packets is unknown.
1135  **/
1136 int r100_cs_packet_parse(struct radeon_cs_parser *p,
1137                          struct radeon_cs_packet *pkt,
1138                          unsigned idx)
1139 {
1140         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
1141         uint32_t header;
1142
1143         if (idx >= ib_chunk->length_dw) {
1144                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
1145                           idx, ib_chunk->length_dw);
1146                 return -EINVAL;
1147         }
1148         header = radeon_get_ib_value(p, idx);
1149         pkt->idx = idx;
1150         pkt->type = CP_PACKET_GET_TYPE(header);
1151         pkt->count = CP_PACKET_GET_COUNT(header);
1152         switch (pkt->type) {
1153         case PACKET_TYPE0:
1154                 pkt->reg = CP_PACKET0_GET_REG(header);
1155                 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
1156                 break;
1157         case PACKET_TYPE3:
1158                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
1159                 break;
1160         case PACKET_TYPE2:
1161                 pkt->count = -1;
1162                 break;
1163         default:
1164                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
1165                 return -EINVAL;
1166         }
1167         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
1168                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
1169                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
1170                 return -EINVAL;
1171         }
1172         return 0;
1173 }
1174
1175 /**
1176  * r100_cs_packet_next_vline() - parse userspace VLINE packet
1177  * @parser:             parser structure holding parsing context.
1178  *
1179  * Userspace sends a special sequence for VLINE waits.
1180  * PACKET0 - VLINE_START_END + value
1181  * PACKET0 - WAIT_UNTIL +_value
1182  * RELOC (P3) - crtc_id in reloc.
1183  *
1184  * This function parses this and relocates the VLINE START END
1185  * and WAIT UNTIL packets to the correct crtc.
1186  * It also detects a switched off crtc and nulls out the
1187  * wait in that case.
1188  */
1189 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1190 {
1191         struct drm_mode_object *obj;
1192         struct drm_crtc *crtc;
1193         struct radeon_crtc *radeon_crtc;
1194         struct radeon_cs_packet p3reloc, waitreloc;
1195         int crtc_id;
1196         int r;
1197         uint32_t header, h_idx, reg;
1198         volatile uint32_t *ib;
1199
1200         ib = p->ib->ptr;
1201
1202         /* parse the wait until */
1203         r = r100_cs_packet_parse(p, &waitreloc, p->idx);
1204         if (r)
1205                 return r;
1206
1207         /* check its a wait until and only 1 count */
1208         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1209             waitreloc.count != 0) {
1210                 DRM_ERROR("vline wait had illegal wait until segment\n");
1211                 r = -EINVAL;
1212                 return r;
1213         }
1214
1215         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1216                 DRM_ERROR("vline wait had illegal wait until\n");
1217                 r = -EINVAL;
1218                 return r;
1219         }
1220
1221         /* jump over the NOP */
1222         r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1223         if (r)
1224                 return r;
1225
1226         h_idx = p->idx - 2;
1227         p->idx += waitreloc.count + 2;
1228         p->idx += p3reloc.count + 2;
1229
1230         header = radeon_get_ib_value(p, h_idx);
1231         crtc_id = radeon_get_ib_value(p, h_idx + 5);
1232         reg = CP_PACKET0_GET_REG(header);
1233         mutex_lock(&p->rdev->ddev->mode_config.mutex);
1234         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
1235         if (!obj) {
1236                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1237                 r = -EINVAL;
1238                 goto out;
1239         }
1240         crtc = obj_to_crtc(obj);
1241         radeon_crtc = to_radeon_crtc(crtc);
1242         crtc_id = radeon_crtc->crtc_id;
1243
1244         if (!crtc->enabled) {
1245                 /* if the CRTC isn't enabled - we need to nop out the wait until */
1246                 ib[h_idx + 2] = PACKET2(0);
1247                 ib[h_idx + 3] = PACKET2(0);
1248         } else if (crtc_id == 1) {
1249                 switch (reg) {
1250                 case AVIVO_D1MODE_VLINE_START_END:
1251                         header &= ~R300_CP_PACKET0_REG_MASK;
1252                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1253                         break;
1254                 case RADEON_CRTC_GUI_TRIG_VLINE:
1255                         header &= ~R300_CP_PACKET0_REG_MASK;
1256                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1257                         break;
1258                 default:
1259                         DRM_ERROR("unknown crtc reloc\n");
1260                         r = -EINVAL;
1261                         goto out;
1262                 }
1263                 ib[h_idx] = header;
1264                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1265         }
1266 out:
1267         mutex_unlock(&p->rdev->ddev->mode_config.mutex);
1268         return r;
1269 }
1270
1271 /**
1272  * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1273  * @parser:             parser structure holding parsing context.
1274  * @data:               pointer to relocation data
1275  * @offset_start:       starting offset
1276  * @offset_mask:        offset mask (to align start offset on)
1277  * @reloc:              reloc informations
1278  *
1279  * Check next packet is relocation packet3, do bo validation and compute
1280  * GPU offset using the provided start.
1281  **/
1282 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1283                               struct radeon_cs_reloc **cs_reloc)
1284 {
1285         struct radeon_cs_chunk *relocs_chunk;
1286         struct radeon_cs_packet p3reloc;
1287         unsigned idx;
1288         int r;
1289
1290         if (p->chunk_relocs_idx == -1) {
1291                 DRM_ERROR("No relocation chunk !\n");
1292                 return -EINVAL;
1293         }
1294         *cs_reloc = NULL;
1295         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1296         r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1297         if (r) {
1298                 return r;
1299         }
1300         p->idx += p3reloc.count + 2;
1301         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1302                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1303                           p3reloc.idx);
1304                 r100_cs_dump_packet(p, &p3reloc);
1305                 return -EINVAL;
1306         }
1307         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1308         if (idx >= relocs_chunk->length_dw) {
1309                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1310                           idx, relocs_chunk->length_dw);
1311                 r100_cs_dump_packet(p, &p3reloc);
1312                 return -EINVAL;
1313         }
1314         /* FIXME: we assume reloc size is 4 dwords */
1315         *cs_reloc = p->relocs_ptr[(idx / 4)];
1316         return 0;
1317 }
1318
1319 static int r100_get_vtx_size(uint32_t vtx_fmt)
1320 {
1321         int vtx_size;
1322         vtx_size = 2;
1323         /* ordered according to bits in spec */
1324         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1325                 vtx_size++;
1326         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1327                 vtx_size += 3;
1328         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1329                 vtx_size++;
1330         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1331                 vtx_size++;
1332         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1333                 vtx_size += 3;
1334         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1335                 vtx_size++;
1336         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1337                 vtx_size++;
1338         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1339                 vtx_size += 2;
1340         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1341                 vtx_size += 2;
1342         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1343                 vtx_size++;
1344         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1345                 vtx_size += 2;
1346         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1347                 vtx_size++;
1348         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1349                 vtx_size += 2;
1350         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1351                 vtx_size++;
1352         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1353                 vtx_size++;
1354         /* blend weight */
1355         if (vtx_fmt & (0x7 << 15))
1356                 vtx_size += (vtx_fmt >> 15) & 0x7;
1357         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1358                 vtx_size += 3;
1359         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1360                 vtx_size += 2;
1361         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1362                 vtx_size++;
1363         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1364                 vtx_size++;
1365         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1366                 vtx_size++;
1367         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1368                 vtx_size++;
1369         return vtx_size;
1370 }
1371
1372 static int r100_packet0_check(struct radeon_cs_parser *p,
1373                               struct radeon_cs_packet *pkt,
1374                               unsigned idx, unsigned reg)
1375 {
1376         struct radeon_cs_reloc *reloc;
1377         struct r100_cs_track *track;
1378         volatile uint32_t *ib;
1379         uint32_t tmp;
1380         int r;
1381         int i, face;
1382         u32 tile_flags = 0;
1383         u32 idx_value;
1384
1385         ib = p->ib->ptr;
1386         track = (struct r100_cs_track *)p->track;
1387
1388         idx_value = radeon_get_ib_value(p, idx);
1389
1390         switch (reg) {
1391         case RADEON_CRTC_GUI_TRIG_VLINE:
1392                 r = r100_cs_packet_parse_vline(p);
1393                 if (r) {
1394                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1395                                   idx, reg);
1396                         r100_cs_dump_packet(p, pkt);
1397                         return r;
1398                 }
1399                 break;
1400                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1401                  * range access */
1402         case RADEON_DST_PITCH_OFFSET:
1403         case RADEON_SRC_PITCH_OFFSET:
1404                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1405                 if (r)
1406                         return r;
1407                 break;
1408         case RADEON_RB3D_DEPTHOFFSET:
1409                 r = r100_cs_packet_next_reloc(p, &reloc);
1410                 if (r) {
1411                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1412                                   idx, reg);
1413                         r100_cs_dump_packet(p, pkt);
1414                         return r;
1415                 }
1416                 track->zb.robj = reloc->robj;
1417                 track->zb.offset = idx_value;
1418                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1419                 break;
1420         case RADEON_RB3D_COLOROFFSET:
1421                 r = r100_cs_packet_next_reloc(p, &reloc);
1422                 if (r) {
1423                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1424                                   idx, reg);
1425                         r100_cs_dump_packet(p, pkt);
1426                         return r;
1427                 }
1428                 track->cb[0].robj = reloc->robj;
1429                 track->cb[0].offset = idx_value;
1430                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1431                 break;
1432         case RADEON_PP_TXOFFSET_0:
1433         case RADEON_PP_TXOFFSET_1:
1434         case RADEON_PP_TXOFFSET_2:
1435                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1436                 r = r100_cs_packet_next_reloc(p, &reloc);
1437                 if (r) {
1438                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1439                                   idx, reg);
1440                         r100_cs_dump_packet(p, pkt);
1441                         return r;
1442                 }
1443                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1444                 track->textures[i].robj = reloc->robj;
1445                 break;
1446         case RADEON_PP_CUBIC_OFFSET_T0_0:
1447         case RADEON_PP_CUBIC_OFFSET_T0_1:
1448         case RADEON_PP_CUBIC_OFFSET_T0_2:
1449         case RADEON_PP_CUBIC_OFFSET_T0_3:
1450         case RADEON_PP_CUBIC_OFFSET_T0_4:
1451                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1452                 r = r100_cs_packet_next_reloc(p, &reloc);
1453                 if (r) {
1454                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1455                                   idx, reg);
1456                         r100_cs_dump_packet(p, pkt);
1457                         return r;
1458                 }
1459                 track->textures[0].cube_info[i].offset = idx_value;
1460                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1461                 track->textures[0].cube_info[i].robj = reloc->robj;
1462                 break;
1463         case RADEON_PP_CUBIC_OFFSET_T1_0:
1464         case RADEON_PP_CUBIC_OFFSET_T1_1:
1465         case RADEON_PP_CUBIC_OFFSET_T1_2:
1466         case RADEON_PP_CUBIC_OFFSET_T1_3:
1467         case RADEON_PP_CUBIC_OFFSET_T1_4:
1468                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1469                 r = r100_cs_packet_next_reloc(p, &reloc);
1470                 if (r) {
1471                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1472                                   idx, reg);
1473                         r100_cs_dump_packet(p, pkt);
1474                         return r;
1475                 }
1476                 track->textures[1].cube_info[i].offset = idx_value;
1477                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1478                 track->textures[1].cube_info[i].robj = reloc->robj;
1479                 break;
1480         case RADEON_PP_CUBIC_OFFSET_T2_0:
1481         case RADEON_PP_CUBIC_OFFSET_T2_1:
1482         case RADEON_PP_CUBIC_OFFSET_T2_2:
1483         case RADEON_PP_CUBIC_OFFSET_T2_3:
1484         case RADEON_PP_CUBIC_OFFSET_T2_4:
1485                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1486                 r = r100_cs_packet_next_reloc(p, &reloc);
1487                 if (r) {
1488                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1489                                   idx, reg);
1490                         r100_cs_dump_packet(p, pkt);
1491                         return r;
1492                 }
1493                 track->textures[2].cube_info[i].offset = idx_value;
1494                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1495                 track->textures[2].cube_info[i].robj = reloc->robj;
1496                 break;
1497         case RADEON_RE_WIDTH_HEIGHT:
1498                 track->maxy = ((idx_value >> 16) & 0x7FF);
1499                 break;
1500         case RADEON_RB3D_COLORPITCH:
1501                 r = r100_cs_packet_next_reloc(p, &reloc);
1502                 if (r) {
1503                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1504                                   idx, reg);
1505                         r100_cs_dump_packet(p, pkt);
1506                         return r;
1507                 }
1508
1509                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1510                         tile_flags |= RADEON_COLOR_TILE_ENABLE;
1511                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1512                         tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1513
1514                 tmp = idx_value & ~(0x7 << 16);
1515                 tmp |= tile_flags;
1516                 ib[idx] = tmp;
1517
1518                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1519                 break;
1520         case RADEON_RB3D_DEPTHPITCH:
1521                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1522                 break;
1523         case RADEON_RB3D_CNTL:
1524                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1525                 case 7:
1526                 case 8:
1527                 case 9:
1528                 case 11:
1529                 case 12:
1530                         track->cb[0].cpp = 1;
1531                         break;
1532                 case 3:
1533                 case 4:
1534                 case 15:
1535                         track->cb[0].cpp = 2;
1536                         break;
1537                 case 6:
1538                         track->cb[0].cpp = 4;
1539                         break;
1540                 default:
1541                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1542                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1543                         return -EINVAL;
1544                 }
1545                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1546                 break;
1547         case RADEON_RB3D_ZSTENCILCNTL:
1548                 switch (idx_value & 0xf) {
1549                 case 0:
1550                         track->zb.cpp = 2;
1551                         break;
1552                 case 2:
1553                 case 3:
1554                 case 4:
1555                 case 5:
1556                 case 9:
1557                 case 11:
1558                         track->zb.cpp = 4;
1559                         break;
1560                 default:
1561                         break;
1562                 }
1563                 break;
1564         case RADEON_RB3D_ZPASS_ADDR:
1565                 r = r100_cs_packet_next_reloc(p, &reloc);
1566                 if (r) {
1567                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1568                                   idx, reg);
1569                         r100_cs_dump_packet(p, pkt);
1570                         return r;
1571                 }
1572                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1573                 break;
1574         case RADEON_PP_CNTL:
1575                 {
1576                         uint32_t temp = idx_value >> 4;
1577                         for (i = 0; i < track->num_texture; i++)
1578                                 track->textures[i].enabled = !!(temp & (1 << i));
1579                 }
1580                 break;
1581         case RADEON_SE_VF_CNTL:
1582                 track->vap_vf_cntl = idx_value;
1583                 break;
1584         case RADEON_SE_VTX_FMT:
1585                 track->vtx_size = r100_get_vtx_size(idx_value);
1586                 break;
1587         case RADEON_PP_TEX_SIZE_0:
1588         case RADEON_PP_TEX_SIZE_1:
1589         case RADEON_PP_TEX_SIZE_2:
1590                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1591                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1592                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1593                 break;
1594         case RADEON_PP_TEX_PITCH_0:
1595         case RADEON_PP_TEX_PITCH_1:
1596         case RADEON_PP_TEX_PITCH_2:
1597                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1598                 track->textures[i].pitch = idx_value + 32;
1599                 break;
1600         case RADEON_PP_TXFILTER_0:
1601         case RADEON_PP_TXFILTER_1:
1602         case RADEON_PP_TXFILTER_2:
1603                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1604                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1605                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1606                 tmp = (idx_value >> 23) & 0x7;
1607                 if (tmp == 2 || tmp == 6)
1608                         track->textures[i].roundup_w = false;
1609                 tmp = (idx_value >> 27) & 0x7;
1610                 if (tmp == 2 || tmp == 6)
1611                         track->textures[i].roundup_h = false;
1612                 break;
1613         case RADEON_PP_TXFORMAT_0:
1614         case RADEON_PP_TXFORMAT_1:
1615         case RADEON_PP_TXFORMAT_2:
1616                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1617                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1618                         track->textures[i].use_pitch = 1;
1619                 } else {
1620                         track->textures[i].use_pitch = 0;
1621                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1622                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1623                 }
1624                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1625                         track->textures[i].tex_coord_type = 2;
1626                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1627                 case RADEON_TXFORMAT_I8:
1628                 case RADEON_TXFORMAT_RGB332:
1629                 case RADEON_TXFORMAT_Y8:
1630                         track->textures[i].cpp = 1;
1631                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1632                         break;
1633                 case RADEON_TXFORMAT_AI88:
1634                 case RADEON_TXFORMAT_ARGB1555:
1635                 case RADEON_TXFORMAT_RGB565:
1636                 case RADEON_TXFORMAT_ARGB4444:
1637                 case RADEON_TXFORMAT_VYUY422:
1638                 case RADEON_TXFORMAT_YVYU422:
1639                 case RADEON_TXFORMAT_SHADOW16:
1640                 case RADEON_TXFORMAT_LDUDV655:
1641                 case RADEON_TXFORMAT_DUDV88:
1642                         track->textures[i].cpp = 2;
1643                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1644                         break;
1645                 case RADEON_TXFORMAT_ARGB8888:
1646                 case RADEON_TXFORMAT_RGBA8888:
1647                 case RADEON_TXFORMAT_SHADOW32:
1648                 case RADEON_TXFORMAT_LDUDUV8888:
1649                         track->textures[i].cpp = 4;
1650                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1651                         break;
1652                 case RADEON_TXFORMAT_DXT1:
1653                         track->textures[i].cpp = 1;
1654                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1655                         break;
1656                 case RADEON_TXFORMAT_DXT23:
1657                 case RADEON_TXFORMAT_DXT45:
1658                         track->textures[i].cpp = 1;
1659                         track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1660                         break;
1661                 }
1662                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1663                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1664                 break;
1665         case RADEON_PP_CUBIC_FACES_0:
1666         case RADEON_PP_CUBIC_FACES_1:
1667         case RADEON_PP_CUBIC_FACES_2:
1668                 tmp = idx_value;
1669                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1670                 for (face = 0; face < 4; face++) {
1671                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1672                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1673                 }
1674                 break;
1675         default:
1676                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1677                        reg, idx);
1678                 return -EINVAL;
1679         }
1680         return 0;
1681 }
1682
1683 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1684                                          struct radeon_cs_packet *pkt,
1685                                          struct radeon_bo *robj)
1686 {
1687         unsigned idx;
1688         u32 value;
1689         idx = pkt->idx + 1;
1690         value = radeon_get_ib_value(p, idx + 2);
1691         if ((value + 1) > radeon_bo_size(robj)) {
1692                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1693                           "(need %u have %lu) !\n",
1694                           value + 1,
1695                           radeon_bo_size(robj));
1696                 return -EINVAL;
1697         }
1698         return 0;
1699 }
1700
1701 static int r100_packet3_check(struct radeon_cs_parser *p,
1702                               struct radeon_cs_packet *pkt)
1703 {
1704         struct radeon_cs_reloc *reloc;
1705         struct r100_cs_track *track;
1706         unsigned idx;
1707         volatile uint32_t *ib;
1708         int r;
1709
1710         ib = p->ib->ptr;
1711         idx = pkt->idx + 1;
1712         track = (struct r100_cs_track *)p->track;
1713         switch (pkt->opcode) {
1714         case PACKET3_3D_LOAD_VBPNTR:
1715                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1716                 if (r)
1717                         return r;
1718                 break;
1719         case PACKET3_INDX_BUFFER:
1720                 r = r100_cs_packet_next_reloc(p, &reloc);
1721                 if (r) {
1722                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1723                         r100_cs_dump_packet(p, pkt);
1724                         return r;
1725                 }
1726                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1727                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1728                 if (r) {
1729                         return r;
1730                 }
1731                 break;
1732         case 0x23:
1733                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1734                 r = r100_cs_packet_next_reloc(p, &reloc);
1735                 if (r) {
1736                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1737                         r100_cs_dump_packet(p, pkt);
1738                         return r;
1739                 }
1740                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1741                 track->num_arrays = 1;
1742                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1743
1744                 track->arrays[0].robj = reloc->robj;
1745                 track->arrays[0].esize = track->vtx_size;
1746
1747                 track->max_indx = radeon_get_ib_value(p, idx+1);
1748
1749                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1750                 track->immd_dwords = pkt->count - 1;
1751                 r = r100_cs_track_check(p->rdev, track);
1752                 if (r)
1753                         return r;
1754                 break;
1755         case PACKET3_3D_DRAW_IMMD:
1756                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1757                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1758                         return -EINVAL;
1759                 }
1760                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1761                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1762                 track->immd_dwords = pkt->count - 1;
1763                 r = r100_cs_track_check(p->rdev, track);
1764                 if (r)
1765                         return r;
1766                 break;
1767                 /* triggers drawing using in-packet vertex data */
1768         case PACKET3_3D_DRAW_IMMD_2:
1769                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1770                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1771                         return -EINVAL;
1772                 }
1773                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1774                 track->immd_dwords = pkt->count;
1775                 r = r100_cs_track_check(p->rdev, track);
1776                 if (r)
1777                         return r;
1778                 break;
1779                 /* triggers drawing using in-packet vertex data */
1780         case PACKET3_3D_DRAW_VBUF_2:
1781                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1782                 r = r100_cs_track_check(p->rdev, track);
1783                 if (r)
1784                         return r;
1785                 break;
1786                 /* triggers drawing of vertex buffers setup elsewhere */
1787         case PACKET3_3D_DRAW_INDX_2:
1788                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1789                 r = r100_cs_track_check(p->rdev, track);
1790                 if (r)
1791                         return r;
1792                 break;
1793                 /* triggers drawing using indices to vertex buffer */
1794         case PACKET3_3D_DRAW_VBUF:
1795                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1796                 r = r100_cs_track_check(p->rdev, track);
1797                 if (r)
1798                         return r;
1799                 break;
1800                 /* triggers drawing of vertex buffers setup elsewhere */
1801         case PACKET3_3D_DRAW_INDX:
1802                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1803                 r = r100_cs_track_check(p->rdev, track);
1804                 if (r)
1805                         return r;
1806                 break;
1807                 /* triggers drawing using indices to vertex buffer */
1808         case PACKET3_NOP:
1809                 break;
1810         default:
1811                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1812                 return -EINVAL;
1813         }
1814         return 0;
1815 }
1816
1817 int r100_cs_parse(struct radeon_cs_parser *p)
1818 {
1819         struct radeon_cs_packet pkt;
1820         struct r100_cs_track *track;
1821         int r;
1822
1823         track = kzalloc(sizeof(*track), GFP_KERNEL);
1824         r100_cs_track_clear(p->rdev, track);
1825         p->track = track;
1826         do {
1827                 r = r100_cs_packet_parse(p, &pkt, p->idx);
1828                 if (r) {
1829                         return r;
1830                 }
1831                 p->idx += pkt.count + 2;
1832                 switch (pkt.type) {
1833                         case PACKET_TYPE0:
1834                                 if (p->rdev->family >= CHIP_R200)
1835                                         r = r100_cs_parse_packet0(p, &pkt,
1836                                                                   p->rdev->config.r100.reg_safe_bm,
1837                                                                   p->rdev->config.r100.reg_safe_bm_size,
1838                                                                   &r200_packet0_check);
1839                                 else
1840                                         r = r100_cs_parse_packet0(p, &pkt,
1841                                                                   p->rdev->config.r100.reg_safe_bm,
1842                                                                   p->rdev->config.r100.reg_safe_bm_size,
1843                                                                   &r100_packet0_check);
1844                                 break;
1845                         case PACKET_TYPE2:
1846                                 break;
1847                         case PACKET_TYPE3:
1848                                 r = r100_packet3_check(p, &pkt);
1849                                 break;
1850                         default:
1851                                 DRM_ERROR("Unknown packet type %d !\n",
1852                                           pkt.type);
1853                                 return -EINVAL;
1854                 }
1855                 if (r) {
1856                         return r;
1857                 }
1858         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1859         return 0;
1860 }
1861
1862
1863 /*
1864  * Global GPU functions
1865  */
1866 void r100_errata(struct radeon_device *rdev)
1867 {
1868         rdev->pll_errata = 0;
1869
1870         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1871                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
1872         }
1873
1874         if (rdev->family == CHIP_RV100 ||
1875             rdev->family == CHIP_RS100 ||
1876             rdev->family == CHIP_RS200) {
1877                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
1878         }
1879 }
1880
1881 /* Wait for vertical sync on primary CRTC */
1882 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1883 {
1884         uint32_t crtc_gen_cntl, tmp;
1885         int i;
1886
1887         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1888         if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1889             !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1890                 return;
1891         }
1892         /* Clear the CRTC_VBLANK_SAVE bit */
1893         WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1894         for (i = 0; i < rdev->usec_timeout; i++) {
1895                 tmp = RREG32(RADEON_CRTC_STATUS);
1896                 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1897                         return;
1898                 }
1899                 DRM_UDELAY(1);
1900         }
1901 }
1902
1903 /* Wait for vertical sync on secondary CRTC */
1904 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1905 {
1906         uint32_t crtc2_gen_cntl, tmp;
1907         int i;
1908
1909         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1910         if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1911             !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1912                 return;
1913
1914         /* Clear the CRTC_VBLANK_SAVE bit */
1915         WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1916         for (i = 0; i < rdev->usec_timeout; i++) {
1917                 tmp = RREG32(RADEON_CRTC2_STATUS);
1918                 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1919                         return;
1920                 }
1921                 DRM_UDELAY(1);
1922         }
1923 }
1924
1925 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
1926 {
1927         unsigned i;
1928         uint32_t tmp;
1929
1930         for (i = 0; i < rdev->usec_timeout; i++) {
1931                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1932                 if (tmp >= n) {
1933                         return 0;
1934                 }
1935                 DRM_UDELAY(1);
1936         }
1937         return -1;
1938 }
1939
1940 int r100_gui_wait_for_idle(struct radeon_device *rdev)
1941 {
1942         unsigned i;
1943         uint32_t tmp;
1944
1945         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1946                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1947                        " Bad things might happen.\n");
1948         }
1949         for (i = 0; i < rdev->usec_timeout; i++) {
1950                 tmp = RREG32(RADEON_RBBM_STATUS);
1951                 if (!(tmp & RADEON_RBBM_ACTIVE)) {
1952                         return 0;
1953                 }
1954                 DRM_UDELAY(1);
1955         }
1956         return -1;
1957 }
1958
1959 int r100_mc_wait_for_idle(struct radeon_device *rdev)
1960 {
1961         unsigned i;
1962         uint32_t tmp;
1963
1964         for (i = 0; i < rdev->usec_timeout; i++) {
1965                 /* read MC_STATUS */
1966                 tmp = RREG32(RADEON_MC_STATUS);
1967                 if (tmp & RADEON_MC_IDLE) {
1968                         return 0;
1969                 }
1970                 DRM_UDELAY(1);
1971         }
1972         return -1;
1973 }
1974
1975 void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
1976 {
1977         lockup->last_cp_rptr = cp->rptr;
1978         lockup->last_jiffies = jiffies;
1979 }
1980
1981 /**
1982  * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
1983  * @rdev:       radeon device structure
1984  * @lockup:     r100_gpu_lockup structure holding CP lockup tracking informations
1985  * @cp:         radeon_cp structure holding CP information
1986  *
1987  * We don't need to initialize the lockup tracking information as we will either
1988  * have CP rptr to a different value of jiffies wrap around which will force
1989  * initialization of the lockup tracking informations.
1990  *
1991  * A possible false positivie is if we get call after while and last_cp_rptr ==
1992  * the current CP rptr, even if it's unlikely it might happen. To avoid this
1993  * if the elapsed time since last call is bigger than 2 second than we return
1994  * false and update the tracking information. Due to this the caller must call
1995  * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be reported
1996  * the fencing code should be cautious about that.
1997  *
1998  * Caller should write to the ring to force CP to do something so we don't get
1999  * false positive when CP is just gived nothing to do.
2000  *
2001  **/
2002 bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
2003 {
2004         unsigned long cjiffies, elapsed;
2005
2006         cjiffies = jiffies;
2007         if (!time_after(cjiffies, lockup->last_jiffies)) {
2008                 /* likely a wrap around */
2009                 lockup->last_cp_rptr = cp->rptr;
2010                 lockup->last_jiffies = jiffies;
2011                 return false;
2012         }
2013         if (cp->rptr != lockup->last_cp_rptr) {
2014                 /* CP is still working no lockup */
2015                 lockup->last_cp_rptr = cp->rptr;
2016                 lockup->last_jiffies = jiffies;
2017                 return false;
2018         }
2019         elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
2020         if (elapsed >= 3000) {
2021                 /* very likely the improbable case where current
2022                  * rptr is equal to last recorded, a while ago, rptr
2023                  * this is more likely a false positive update tracking
2024                  * information which should force us to be recall at
2025                  * latter point
2026                  */
2027                 lockup->last_cp_rptr = cp->rptr;
2028                 lockup->last_jiffies = jiffies;
2029                 return false;
2030         }
2031         if (elapsed >= 1000) {
2032                 dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
2033                 return true;
2034         }
2035         /* give a chance to the GPU ... */
2036         return false;
2037 }
2038
2039 bool r100_gpu_is_lockup(struct radeon_device *rdev)
2040 {
2041         u32 rbbm_status;
2042         int r;
2043
2044         rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2045         if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2046                 r100_gpu_lockup_update(&rdev->config.r100.lockup, &rdev->cp);
2047                 return false;
2048         }
2049         /* force CP activities */
2050         r = radeon_ring_lock(rdev, 2);
2051         if (!r) {
2052                 /* PACKET2 NOP */
2053                 radeon_ring_write(rdev, 0x80000000);
2054                 radeon_ring_write(rdev, 0x80000000);
2055                 radeon_ring_unlock_commit(rdev);
2056         }
2057         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
2058         return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, &rdev->cp);
2059 }
2060
2061 void r100_bm_disable(struct radeon_device *rdev)
2062 {
2063         u32 tmp;
2064
2065         /* disable bus mastering */
2066         tmp = RREG32(R_000030_BUS_CNTL);
2067         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2068         mdelay(1);
2069         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2070         mdelay(1);
2071         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2072         tmp = RREG32(RADEON_BUS_CNTL);
2073         mdelay(1);
2074         pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
2075         pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
2076         mdelay(1);
2077 }
2078
2079 int r100_asic_reset(struct radeon_device *rdev)
2080 {
2081         struct r100_mc_save save;
2082         u32 status, tmp;
2083
2084         r100_mc_stop(rdev, &save);
2085         status = RREG32(R_000E40_RBBM_STATUS);
2086         if (!G_000E40_GUI_ACTIVE(status)) {
2087                 return 0;
2088         }
2089         status = RREG32(R_000E40_RBBM_STATUS);
2090         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2091         /* stop CP */
2092         WREG32(RADEON_CP_CSQ_CNTL, 0);
2093         tmp = RREG32(RADEON_CP_RB_CNTL);
2094         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2095         WREG32(RADEON_CP_RB_RPTR_WR, 0);
2096         WREG32(RADEON_CP_RB_WPTR, 0);
2097         WREG32(RADEON_CP_RB_CNTL, tmp);
2098         /* save PCI state */
2099         pci_save_state(rdev->pdev);
2100         /* disable bus mastering */
2101         r100_bm_disable(rdev);
2102         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2103                                         S_0000F0_SOFT_RESET_RE(1) |
2104                                         S_0000F0_SOFT_RESET_PP(1) |
2105                                         S_0000F0_SOFT_RESET_RB(1));
2106         RREG32(R_0000F0_RBBM_SOFT_RESET);
2107         mdelay(500);
2108         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2109         mdelay(1);
2110         status = RREG32(R_000E40_RBBM_STATUS);
2111         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2112         /* reset CP */
2113         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2114         RREG32(R_0000F0_RBBM_SOFT_RESET);
2115         mdelay(500);
2116         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2117         mdelay(1);
2118         status = RREG32(R_000E40_RBBM_STATUS);
2119         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2120         /* restore PCI & busmastering */
2121         pci_restore_state(rdev->pdev);
2122         r100_enable_bm(rdev);
2123         /* Check if GPU is idle */
2124         if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2125                 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2126                 dev_err(rdev->dev, "failed to reset GPU\n");
2127                 rdev->gpu_lockup = true;
2128                 return -1;
2129         }
2130         r100_mc_resume(rdev, &save);
2131         dev_info(rdev->dev, "GPU reset succeed\n");
2132         return 0;
2133 }
2134
2135 void r100_set_common_regs(struct radeon_device *rdev)
2136 {
2137         struct drm_device *dev = rdev->ddev;
2138         bool force_dac2 = false;
2139         u32 tmp;
2140
2141         /* set these so they don't interfere with anything */
2142         WREG32(RADEON_OV0_SCALE_CNTL, 0);
2143         WREG32(RADEON_SUBPIC_CNTL, 0);
2144         WREG32(RADEON_VIPH_CONTROL, 0);
2145         WREG32(RADEON_I2C_CNTL_1, 0);
2146         WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2147         WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2148         WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2149
2150         /* always set up dac2 on rn50 and some rv100 as lots
2151          * of servers seem to wire it up to a VGA port but
2152          * don't report it in the bios connector
2153          * table.
2154          */
2155         switch (dev->pdev->device) {
2156                 /* RN50 */
2157         case 0x515e:
2158         case 0x5969:
2159                 force_dac2 = true;
2160                 break;
2161                 /* RV100*/
2162         case 0x5159:
2163         case 0x515a:
2164                 /* DELL triple head servers */
2165                 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2166                     ((dev->pdev->subsystem_device == 0x016c) ||
2167                      (dev->pdev->subsystem_device == 0x016d) ||
2168                      (dev->pdev->subsystem_device == 0x016e) ||
2169                      (dev->pdev->subsystem_device == 0x016f) ||
2170                      (dev->pdev->subsystem_device == 0x0170) ||
2171                      (dev->pdev->subsystem_device == 0x017d) ||
2172                      (dev->pdev->subsystem_device == 0x017e) ||
2173                      (dev->pdev->subsystem_device == 0x0183) ||
2174                      (dev->pdev->subsystem_device == 0x018a) ||
2175                      (dev->pdev->subsystem_device == 0x019a)))
2176                         force_dac2 = true;
2177                 break;
2178         }
2179
2180         if (force_dac2) {
2181                 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2182                 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2183                 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2184
2185                 /* For CRT on DAC2, don't turn it on if BIOS didn't
2186                    enable it, even it's detected.
2187                 */
2188
2189                 /* force it to crtc0 */
2190                 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2191                 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2192                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2193
2194                 /* set up the TV DAC */
2195                 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2196                                  RADEON_TV_DAC_STD_MASK |
2197                                  RADEON_TV_DAC_RDACPD |
2198                                  RADEON_TV_DAC_GDACPD |
2199                                  RADEON_TV_DAC_BDACPD |
2200                                  RADEON_TV_DAC_BGADJ_MASK |
2201                                  RADEON_TV_DAC_DACADJ_MASK);
2202                 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2203                                 RADEON_TV_DAC_NHOLD |
2204                                 RADEON_TV_DAC_STD_PS2 |
2205                                 (0x58 << 16));
2206
2207                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2208                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2209                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2210         }
2211
2212         /* switch PM block to ACPI mode */
2213         tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2214         tmp &= ~RADEON_PM_MODE_SEL;
2215         WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2216
2217 }
2218
2219 /*
2220  * VRAM info
2221  */
2222 static void r100_vram_get_type(struct radeon_device *rdev)
2223 {
2224         uint32_t tmp;
2225
2226         rdev->mc.vram_is_ddr = false;
2227         if (rdev->flags & RADEON_IS_IGP)
2228                 rdev->mc.vram_is_ddr = true;
2229         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2230                 rdev->mc.vram_is_ddr = true;
2231         if ((rdev->family == CHIP_RV100) ||
2232             (rdev->family == CHIP_RS100) ||
2233             (rdev->family == CHIP_RS200)) {
2234                 tmp = RREG32(RADEON_MEM_CNTL);
2235                 if (tmp & RV100_HALF_MODE) {
2236                         rdev->mc.vram_width = 32;
2237                 } else {
2238                         rdev->mc.vram_width = 64;
2239                 }
2240                 if (rdev->flags & RADEON_SINGLE_CRTC) {
2241                         rdev->mc.vram_width /= 4;
2242                         rdev->mc.vram_is_ddr = true;
2243                 }
2244         } else if (rdev->family <= CHIP_RV280) {
2245                 tmp = RREG32(RADEON_MEM_CNTL);
2246                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2247                         rdev->mc.vram_width = 128;
2248                 } else {
2249                         rdev->mc.vram_width = 64;
2250                 }
2251         } else {
2252                 /* newer IGPs */
2253                 rdev->mc.vram_width = 128;
2254         }
2255 }
2256
2257 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2258 {
2259         u32 aper_size;
2260         u8 byte;
2261
2262         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2263
2264         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2265          * that is has the 2nd generation multifunction PCI interface
2266          */
2267         if (rdev->family == CHIP_RV280 ||
2268             rdev->family >= CHIP_RV350) {
2269                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2270                        ~RADEON_HDP_APER_CNTL);
2271                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2272                 return aper_size * 2;
2273         }
2274
2275         /* Older cards have all sorts of funny issues to deal with. First
2276          * check if it's a multifunction card by reading the PCI config
2277          * header type... Limit those to one aperture size
2278          */
2279         pci_read_config_byte(rdev->pdev, 0xe, &byte);
2280         if (byte & 0x80) {
2281                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2282                 DRM_INFO("Limiting VRAM to one aperture\n");
2283                 return aper_size;
2284         }
2285
2286         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2287          * have set it up. We don't write this as it's broken on some ASICs but
2288          * we expect the BIOS to have done the right thing (might be too optimistic...)
2289          */
2290         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2291                 return aper_size * 2;
2292         return aper_size;
2293 }
2294
2295 void r100_vram_init_sizes(struct radeon_device *rdev)
2296 {
2297         u64 config_aper_size;
2298
2299         /* work out accessible VRAM */
2300         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
2301         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
2302         rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2303         /* FIXME we don't use the second aperture yet when we could use it */
2304         if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2305                 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2306         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2307         if (rdev->flags & RADEON_IS_IGP) {
2308                 uint32_t tom;
2309                 /* read NB_TOM to get the amount of ram stolen for the GPU */
2310                 tom = RREG32(RADEON_NB_TOM);
2311                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2312                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2313                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2314         } else {
2315                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2316                 /* Some production boards of m6 will report 0
2317                  * if it's 8 MB
2318                  */
2319                 if (rdev->mc.real_vram_size == 0) {
2320                         rdev->mc.real_vram_size = 8192 * 1024;
2321                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2322                 }
2323                 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2324                  * Novell bug 204882 + along with lots of ubuntu ones
2325                  */
2326                 if (config_aper_size > rdev->mc.real_vram_size)
2327                         rdev->mc.mc_vram_size = config_aper_size;
2328                 else
2329                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2330         }
2331 }
2332
2333 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2334 {
2335         uint32_t temp;
2336
2337         temp = RREG32(RADEON_CONFIG_CNTL);
2338         if (state == false) {
2339                 temp &= ~(1<<8);
2340                 temp |= (1<<9);
2341         } else {
2342                 temp &= ~(1<<9);
2343         }
2344         WREG32(RADEON_CONFIG_CNTL, temp);
2345 }
2346
2347 void r100_mc_init(struct radeon_device *rdev)
2348 {
2349         u64 base;
2350
2351         r100_vram_get_type(rdev);
2352         r100_vram_init_sizes(rdev);
2353         base = rdev->mc.aper_base;
2354         if (rdev->flags & RADEON_IS_IGP)
2355                 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2356         radeon_vram_location(rdev, &rdev->mc, base);
2357         if (!(rdev->flags & RADEON_IS_AGP))
2358                 radeon_gtt_location(rdev, &rdev->mc);
2359         radeon_update_bandwidth_info(rdev);
2360 }
2361
2362
2363 /*
2364  * Indirect registers accessor
2365  */
2366 void r100_pll_errata_after_index(struct radeon_device *rdev)
2367 {
2368         if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
2369                 return;
2370         }
2371         (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2372         (void)RREG32(RADEON_CRTC_GEN_CNTL);
2373 }
2374
2375 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2376 {
2377         /* This workarounds is necessary on RV100, RS100 and RS200 chips
2378          * or the chip could hang on a subsequent access
2379          */
2380         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2381                 udelay(5000);
2382         }
2383
2384         /* This function is required to workaround a hardware bug in some (all?)
2385          * revisions of the R300.  This workaround should be called after every
2386          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2387          * may not be correct.
2388          */
2389         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2390                 uint32_t save, tmp;
2391
2392                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2393                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2394                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2395                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2396                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2397         }
2398 }
2399
2400 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2401 {
2402         uint32_t data;
2403
2404         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2405         r100_pll_errata_after_index(rdev);
2406         data = RREG32(RADEON_CLOCK_CNTL_DATA);
2407         r100_pll_errata_after_data(rdev);
2408         return data;
2409 }
2410
2411 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2412 {
2413         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2414         r100_pll_errata_after_index(rdev);
2415         WREG32(RADEON_CLOCK_CNTL_DATA, v);
2416         r100_pll_errata_after_data(rdev);
2417 }
2418
2419 void r100_set_safe_registers(struct radeon_device *rdev)
2420 {
2421         if (ASIC_IS_RN50(rdev)) {
2422                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2423                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2424         } else if (rdev->family < CHIP_R200) {
2425                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2426                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2427         } else {
2428                 r200_set_safe_registers(rdev);
2429         }
2430 }
2431
2432 /*
2433  * Debugfs info
2434  */
2435 #if defined(CONFIG_DEBUG_FS)
2436 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2437 {
2438         struct drm_info_node *node = (struct drm_info_node *) m->private;
2439         struct drm_device *dev = node->minor->dev;
2440         struct radeon_device *rdev = dev->dev_private;
2441         uint32_t reg, value;
2442         unsigned i;
2443
2444         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2445         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2446         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2447         for (i = 0; i < 64; i++) {
2448                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2449                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2450                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2451                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2452                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2453         }
2454         return 0;
2455 }
2456
2457 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2458 {
2459         struct drm_info_node *node = (struct drm_info_node *) m->private;
2460         struct drm_device *dev = node->minor->dev;
2461         struct radeon_device *rdev = dev->dev_private;
2462         uint32_t rdp, wdp;
2463         unsigned count, i, j;
2464
2465         radeon_ring_free_size(rdev);
2466         rdp = RREG32(RADEON_CP_RB_RPTR);
2467         wdp = RREG32(RADEON_CP_RB_WPTR);
2468         count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
2469         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2470         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2471         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2472         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
2473         seq_printf(m, "%u dwords in ring\n", count);
2474         for (j = 0; j <= count; j++) {
2475                 i = (rdp + j) & rdev->cp.ptr_mask;
2476                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
2477         }
2478         return 0;
2479 }
2480
2481
2482 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2483 {
2484         struct drm_info_node *node = (struct drm_info_node *) m->private;
2485         struct drm_device *dev = node->minor->dev;
2486         struct radeon_device *rdev = dev->dev_private;
2487         uint32_t csq_stat, csq2_stat, tmp;
2488         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2489         unsigned i;
2490
2491         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2492         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2493         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2494         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2495         r_rptr = (csq_stat >> 0) & 0x3ff;
2496         r_wptr = (csq_stat >> 10) & 0x3ff;
2497         ib1_rptr = (csq_stat >> 20) & 0x3ff;
2498         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2499         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2500         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2501         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2502         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2503         seq_printf(m, "Ring rptr %u\n", r_rptr);
2504         seq_printf(m, "Ring wptr %u\n", r_wptr);
2505         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2506         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2507         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2508         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2509         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2510          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2511         seq_printf(m, "Ring fifo:\n");
2512         for (i = 0; i < 256; i++) {
2513                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2514                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2515                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2516         }
2517         seq_printf(m, "Indirect1 fifo:\n");
2518         for (i = 256; i <= 512; i++) {
2519                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2520                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2521                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2522         }
2523         seq_printf(m, "Indirect2 fifo:\n");
2524         for (i = 640; i < ib1_wptr; i++) {
2525                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2526                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2527                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2528         }
2529         return 0;
2530 }
2531
2532 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2533 {
2534         struct drm_info_node *node = (struct drm_info_node *) m->private;
2535         struct drm_device *dev = node->minor->dev;
2536         struct radeon_device *rdev = dev->dev_private;
2537         uint32_t tmp;
2538
2539         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2540         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2541         tmp = RREG32(RADEON_MC_FB_LOCATION);
2542         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2543         tmp = RREG32(RADEON_BUS_CNTL);
2544         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2545         tmp = RREG32(RADEON_MC_AGP_LOCATION);
2546         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2547         tmp = RREG32(RADEON_AGP_BASE);
2548         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2549         tmp = RREG32(RADEON_HOST_PATH_CNTL);
2550         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2551         tmp = RREG32(0x01D0);
2552         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2553         tmp = RREG32(RADEON_AIC_LO_ADDR);
2554         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2555         tmp = RREG32(RADEON_AIC_HI_ADDR);
2556         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2557         tmp = RREG32(0x01E4);
2558         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2559         return 0;
2560 }
2561
2562 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2563         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2564 };
2565
2566 static struct drm_info_list r100_debugfs_cp_list[] = {
2567         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2568         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2569 };
2570
2571 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2572         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2573 };
2574 #endif
2575
2576 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2577 {
2578 #if defined(CONFIG_DEBUG_FS)
2579         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2580 #else
2581         return 0;
2582 #endif
2583 }
2584
2585 int r100_debugfs_cp_init(struct radeon_device *rdev)
2586 {
2587 #if defined(CONFIG_DEBUG_FS)
2588         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2589 #else
2590         return 0;
2591 #endif
2592 }
2593
2594 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2595 {
2596 #if defined(CONFIG_DEBUG_FS)
2597         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2598 #else
2599         return 0;
2600 #endif
2601 }
2602
2603 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2604                          uint32_t tiling_flags, uint32_t pitch,
2605                          uint32_t offset, uint32_t obj_size)
2606 {
2607         int surf_index = reg * 16;
2608         int flags = 0;
2609
2610         if (rdev->family <= CHIP_RS200) {
2611                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2612                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2613                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
2614                 if (tiling_flags & RADEON_TILING_MACRO)
2615                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
2616         } else if (rdev->family <= CHIP_RV280) {
2617                 if (tiling_flags & (RADEON_TILING_MACRO))
2618                         flags |= R200_SURF_TILE_COLOR_MACRO;
2619                 if (tiling_flags & RADEON_TILING_MICRO)
2620                         flags |= R200_SURF_TILE_COLOR_MICRO;
2621         } else {
2622                 if (tiling_flags & RADEON_TILING_MACRO)
2623                         flags |= R300_SURF_TILE_MACRO;
2624                 if (tiling_flags & RADEON_TILING_MICRO)
2625                         flags |= R300_SURF_TILE_MICRO;
2626         }
2627
2628         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2629                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2630         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2631                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2632
2633         /* when we aren't tiling the pitch seems to needs to be furtherdivided down. - tested on power5 + rn50 server */
2634         if (tiling_flags & (RADEON_TILING_SWAP_16BIT | RADEON_TILING_SWAP_32BIT)) {
2635                 if (!(tiling_flags & (RADEON_TILING_MACRO | RADEON_TILING_MICRO)))
2636                         if (ASIC_IS_RN50(rdev))
2637                                 pitch /= 16;
2638         }
2639
2640         /* r100/r200 divide by 16 */
2641         if (rdev->family < CHIP_R300)
2642                 flags |= pitch / 16;
2643         else
2644                 flags |= pitch / 8;
2645
2646
2647         DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2648         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2649         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2650         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2651         return 0;
2652 }
2653
2654 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2655 {
2656         int surf_index = reg * 16;
2657         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2658 }
2659
2660 void r100_bandwidth_update(struct radeon_device *rdev)
2661 {
2662         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2663         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2664         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2665         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2666         fixed20_12 memtcas_ff[8] = {
2667                 dfixed_init(1),
2668                 dfixed_init(2),
2669                 dfixed_init(3),
2670                 dfixed_init(0),
2671                 dfixed_init_half(1),
2672                 dfixed_init_half(2),
2673                 dfixed_init(0),
2674         };
2675         fixed20_12 memtcas_rs480_ff[8] = {
2676                 dfixed_init(0),
2677                 dfixed_init(1),
2678                 dfixed_init(2),
2679                 dfixed_init(3),
2680                 dfixed_init(0),
2681                 dfixed_init_half(1),
2682                 dfixed_init_half(2),
2683                 dfixed_init_half(3),
2684         };
2685         fixed20_12 memtcas2_ff[8] = {
2686                 dfixed_init(0),
2687                 dfixed_init(1),
2688                 dfixed_init(2),
2689                 dfixed_init(3),
2690                 dfixed_init(4),
2691                 dfixed_init(5),
2692                 dfixed_init(6),
2693                 dfixed_init(7),
2694         };
2695         fixed20_12 memtrbs[8] = {
2696                 dfixed_init(1),
2697                 dfixed_init_half(1),
2698                 dfixed_init(2),
2699                 dfixed_init_half(2),
2700                 dfixed_init(3),
2701                 dfixed_init_half(3),
2702                 dfixed_init(4),
2703                 dfixed_init_half(4)
2704         };
2705         fixed20_12 memtrbs_r4xx[8] = {
2706                 dfixed_init(4),
2707                 dfixed_init(5),
2708                 dfixed_init(6),
2709                 dfixed_init(7),
2710                 dfixed_init(8),
2711                 dfixed_init(9),
2712                 dfixed_init(10),
2713                 dfixed_init(11)
2714         };
2715         fixed20_12 min_mem_eff;
2716         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2717         fixed20_12 cur_latency_mclk, cur_latency_sclk;
2718         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2719                 disp_drain_rate2, read_return_rate;
2720         fixed20_12 time_disp1_drop_priority;
2721         int c;
2722         int cur_size = 16;       /* in octawords */
2723         int critical_point = 0, critical_point2;
2724 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
2725         int stop_req, max_stop_req;
2726         struct drm_display_mode *mode1 = NULL;
2727         struct drm_display_mode *mode2 = NULL;
2728         uint32_t pixel_bytes1 = 0;
2729         uint32_t pixel_bytes2 = 0;
2730
2731         radeon_update_display_priority(rdev);
2732
2733         if (rdev->mode_info.crtcs[0]->base.enabled) {
2734                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2735                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2736         }
2737         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2738                 if (rdev->mode_info.crtcs[1]->base.enabled) {
2739                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2740                         pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2741                 }
2742         }
2743
2744         min_mem_eff.full = dfixed_const_8(0);
2745         /* get modes */
2746         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2747                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2748                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2749                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2750                 /* check crtc enables */
2751                 if (mode2)
2752                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2753                 if (mode1)
2754                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2755                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2756         }
2757
2758         /*
2759          * determine is there is enough bw for current mode
2760          */
2761         sclk_ff = rdev->pm.sclk;
2762         mclk_ff = rdev->pm.mclk;
2763
2764         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2765         temp_ff.full = dfixed_const(temp);
2766         mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
2767
2768         pix_clk.full = 0;
2769         pix_clk2.full = 0;
2770         peak_disp_bw.full = 0;
2771         if (mode1) {
2772                 temp_ff.full = dfixed_const(1000);
2773                 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
2774                 pix_clk.full = dfixed_div(pix_clk, temp_ff);
2775                 temp_ff.full = dfixed_const(pixel_bytes1);
2776                 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
2777         }
2778         if (mode2) {
2779                 temp_ff.full = dfixed_const(1000);
2780                 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
2781                 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
2782                 temp_ff.full = dfixed_const(pixel_bytes2);
2783                 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
2784         }
2785
2786         mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
2787         if (peak_disp_bw.full >= mem_bw.full) {
2788                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2789                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2790         }
2791
2792         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2793         temp = RREG32(RADEON_MEM_TIMING_CNTL);
2794         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2795                 mem_trcd = ((temp >> 2) & 0x3) + 1;
2796                 mem_trp  = ((temp & 0x3)) + 1;
2797                 mem_tras = ((temp & 0x70) >> 4) + 1;
2798         } else if (rdev->family == CHIP_R300 ||
2799                    rdev->family == CHIP_R350) { /* r300, r350 */
2800                 mem_trcd = (temp & 0x7) + 1;
2801                 mem_trp = ((temp >> 8) & 0x7) + 1;
2802                 mem_tras = ((temp >> 11) & 0xf) + 4;
2803         } else if (rdev->family == CHIP_RV350 ||
2804                    rdev->family <= CHIP_RV380) {
2805                 /* rv3x0 */
2806                 mem_trcd = (temp & 0x7) + 3;
2807                 mem_trp = ((temp >> 8) & 0x7) + 3;
2808                 mem_tras = ((temp >> 11) & 0xf) + 6;
2809         } else if (rdev->family == CHIP_R420 ||
2810                    rdev->family == CHIP_R423 ||
2811                    rdev->family == CHIP_RV410) {
2812                 /* r4xx */
2813                 mem_trcd = (temp & 0xf) + 3;
2814                 if (mem_trcd > 15)
2815                         mem_trcd = 15;
2816                 mem_trp = ((temp >> 8) & 0xf) + 3;
2817                 if (mem_trp > 15)
2818                         mem_trp = 15;
2819                 mem_tras = ((temp >> 12) & 0x1f) + 6;
2820                 if (mem_tras > 31)
2821                         mem_tras = 31;
2822         } else { /* RV200, R200 */
2823                 mem_trcd = (temp & 0x7) + 1;
2824                 mem_trp = ((temp >> 8) & 0x7) + 1;
2825                 mem_tras = ((temp >> 12) & 0xf) + 4;
2826         }
2827         /* convert to FF */
2828         trcd_ff.full = dfixed_const(mem_trcd);
2829         trp_ff.full = dfixed_const(mem_trp);
2830         tras_ff.full = dfixed_const(mem_tras);
2831
2832         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2833         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2834         data = (temp & (7 << 20)) >> 20;
2835         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2836                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2837                         tcas_ff = memtcas_rs480_ff[data];
2838                 else
2839                         tcas_ff = memtcas_ff[data];
2840         } else
2841                 tcas_ff = memtcas2_ff[data];
2842
2843         if (rdev->family == CHIP_RS400 ||
2844             rdev->family == CHIP_RS480) {
2845                 /* extra cas latency stored in bits 23-25 0-4 clocks */
2846                 data = (temp >> 23) & 0x7;
2847                 if (data < 5)
2848                         tcas_ff.full += dfixed_const(data);
2849         }
2850
2851         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2852                 /* on the R300, Tcas is included in Trbs.
2853                  */
2854                 temp = RREG32(RADEON_MEM_CNTL);
2855                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2856                 if (data == 1) {
2857                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
2858                                 temp = RREG32(R300_MC_IND_INDEX);
2859                                 temp &= ~R300_MC_IND_ADDR_MASK;
2860                                 temp |= R300_MC_READ_CNTL_CD_mcind;
2861                                 WREG32(R300_MC_IND_INDEX, temp);
2862                                 temp = RREG32(R300_MC_IND_DATA);
2863                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2864                         } else {
2865                                 temp = RREG32(R300_MC_READ_CNTL_AB);
2866                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2867                         }
2868                 } else {
2869                         temp = RREG32(R300_MC_READ_CNTL_AB);
2870                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2871                 }
2872                 if (rdev->family == CHIP_RV410 ||
2873                     rdev->family == CHIP_R420 ||
2874                     rdev->family == CHIP_R423)
2875                         trbs_ff = memtrbs_r4xx[data];
2876                 else
2877                         trbs_ff = memtrbs[data];
2878                 tcas_ff.full += trbs_ff.full;
2879         }
2880
2881         sclk_eff_ff.full = sclk_ff.full;
2882
2883         if (rdev->flags & RADEON_IS_AGP) {
2884                 fixed20_12 agpmode_ff;
2885                 agpmode_ff.full = dfixed_const(radeon_agpmode);
2886                 temp_ff.full = dfixed_const_666(16);
2887                 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
2888         }
2889         /* TODO PCIE lanes may affect this - agpmode == 16?? */
2890
2891         if (ASIC_IS_R300(rdev)) {
2892                 sclk_delay_ff.full = dfixed_const(250);
2893         } else {
2894                 if ((rdev->family == CHIP_RV100) ||
2895                     rdev->flags & RADEON_IS_IGP) {
2896                         if (rdev->mc.vram_is_ddr)
2897                                 sclk_delay_ff.full = dfixed_const(41);
2898                         else
2899                                 sclk_delay_ff.full = dfixed_const(33);
2900                 } else {
2901                         if (rdev->mc.vram_width == 128)
2902                                 sclk_delay_ff.full = dfixed_const(57);
2903                         else
2904                                 sclk_delay_ff.full = dfixed_const(41);
2905                 }
2906         }
2907
2908         mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
2909
2910         if (rdev->mc.vram_is_ddr) {
2911                 if (rdev->mc.vram_width == 32) {
2912                         k1.full = dfixed_const(40);
2913                         c  = 3;
2914                 } else {
2915                         k1.full = dfixed_const(20);
2916                         c  = 1;
2917                 }
2918         } else {
2919                 k1.full = dfixed_const(40);
2920                 c  = 3;
2921         }
2922
2923         temp_ff.full = dfixed_const(2);
2924         mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
2925         temp_ff.full = dfixed_const(c);
2926         mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
2927         temp_ff.full = dfixed_const(4);
2928         mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
2929         mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
2930         mc_latency_mclk.full += k1.full;
2931
2932         mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
2933         mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
2934
2935         /*
2936           HW cursor time assuming worst case of full size colour cursor.
2937         */
2938         temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2939         temp_ff.full += trcd_ff.full;
2940         if (temp_ff.full < tras_ff.full)
2941                 temp_ff.full = tras_ff.full;
2942         cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
2943
2944         temp_ff.full = dfixed_const(cur_size);
2945         cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
2946         /*
2947           Find the total latency for the display data.
2948         */
2949         disp_latency_overhead.full = dfixed_const(8);
2950         disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
2951         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2952         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2953
2954         if (mc_latency_mclk.full > mc_latency_sclk.full)
2955                 disp_latency.full = mc_latency_mclk.full;
2956         else
2957                 disp_latency.full = mc_latency_sclk.full;
2958
2959         /* setup Max GRPH_STOP_REQ default value */
2960         if (ASIC_IS_RV100(rdev))
2961                 max_stop_req = 0x5c;
2962         else
2963                 max_stop_req = 0x7c;
2964
2965         if (mode1) {
2966                 /*  CRTC1
2967                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2968                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2969                 */
2970                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2971
2972                 if (stop_req > max_stop_req)
2973                         stop_req = max_stop_req;
2974
2975                 /*
2976                   Find the drain rate of the display buffer.
2977                 */
2978                 temp_ff.full = dfixed_const((16/pixel_bytes1));
2979                 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
2980
2981                 /*
2982                   Find the critical point of the display buffer.
2983                 */
2984                 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
2985                 crit_point_ff.full += dfixed_const_half(0);
2986
2987                 critical_point = dfixed_trunc(crit_point_ff);
2988
2989                 if (rdev->disp_priority == 2) {
2990                         critical_point = 0;
2991                 }
2992
2993                 /*
2994                   The critical point should never be above max_stop_req-4.  Setting
2995                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
2996                 */
2997                 if (max_stop_req - critical_point < 4)
2998                         critical_point = 0;
2999
3000                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3001                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3002                         critical_point = 0x10;
3003                 }
3004
3005                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3006                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3007                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3008                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3009                 if ((rdev->family == CHIP_R350) &&
3010                     (stop_req > 0x15)) {
3011                         stop_req -= 0x10;
3012                 }
3013                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3014                 temp |= RADEON_GRPH_BUFFER_SIZE;
3015                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3016                           RADEON_GRPH_CRITICAL_AT_SOF |
3017                           RADEON_GRPH_STOP_CNTL);
3018                 /*
3019                   Write the result into the register.
3020                 */
3021                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3022                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3023
3024 #if 0
3025                 if ((rdev->family == CHIP_RS400) ||
3026                     (rdev->family == CHIP_RS480)) {
3027                         /* attempt to program RS400 disp regs correctly ??? */
3028                         temp = RREG32(RS400_DISP1_REG_CNTL);
3029                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3030                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
3031                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3032                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3033                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3034                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
3035                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3036                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3037                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3038                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3039                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3040                 }
3041 #endif
3042
3043                 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
3044                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
3045                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3046         }
3047
3048         if (mode2) {
3049                 u32 grph2_cntl;
3050                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3051
3052                 if (stop_req > max_stop_req)
3053                         stop_req = max_stop_req;
3054
3055                 /*
3056                   Find the drain rate of the display buffer.
3057                 */
3058                 temp_ff.full = dfixed_const((16/pixel_bytes2));
3059                 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3060
3061                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3062                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3063                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3064                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3065                 if ((rdev->family == CHIP_R350) &&
3066                     (stop_req > 0x15)) {
3067                         stop_req -= 0x10;
3068                 }
3069                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3070                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3071                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3072                           RADEON_GRPH_CRITICAL_AT_SOF |
3073                           RADEON_GRPH_STOP_CNTL);
3074
3075                 if ((rdev->family == CHIP_RS100) ||
3076                     (rdev->family == CHIP_RS200))
3077                         critical_point2 = 0;
3078                 else {
3079                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3080                         temp_ff.full = dfixed_const(temp);
3081                         temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3082                         if (sclk_ff.full < temp_ff.full)
3083                                 temp_ff.full = sclk_ff.full;
3084
3085                         read_return_rate.full = temp_ff.full;
3086
3087                         if (mode1) {
3088                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3089                                 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3090                         } else {
3091                                 time_disp1_drop_priority.full = 0;
3092                         }
3093                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3094                         crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3095                         crit_point_ff.full += dfixed_const_half(0);
3096
3097                         critical_point2 = dfixed_trunc(crit_point_ff);
3098
3099                         if (rdev->disp_priority == 2) {
3100                                 critical_point2 = 0;
3101                         }
3102
3103                         if (max_stop_req - critical_point2 < 4)
3104                                 critical_point2 = 0;
3105
3106                 }
3107
3108                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3109                         /* some R300 cards have problem with this set to 0 */
3110                         critical_point2 = 0x10;
3111                 }
3112
3113                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3114                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3115
3116                 if ((rdev->family == CHIP_RS400) ||
3117                     (rdev->family == CHIP_RS480)) {
3118 #if 0
3119                         /* attempt to program RS400 disp2 regs correctly ??? */
3120                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
3121                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3122                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
3123                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3124                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3125                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3126                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
3127                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3128                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3129                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3130                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3131                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3132 #endif
3133                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3134                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3135                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
3136                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3137                 }
3138
3139                 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
3140                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3141         }
3142 }
3143
3144 static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
3145 {
3146         DRM_ERROR("pitch                      %d\n", t->pitch);
3147         DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
3148         DRM_ERROR("width                      %d\n", t->width);
3149         DRM_ERROR("width_11                   %d\n", t->width_11);
3150         DRM_ERROR("height                     %d\n", t->height);
3151         DRM_ERROR("height_11                  %d\n", t->height_11);
3152         DRM_ERROR("num levels                 %d\n", t->num_levels);
3153         DRM_ERROR("depth                      %d\n", t->txdepth);
3154         DRM_ERROR("bpp                        %d\n", t->cpp);
3155         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
3156         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
3157         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
3158         DRM_ERROR("compress format            %d\n", t->compress_format);
3159 }
3160
3161 static int r100_track_compress_size(int compress_format, int w, int h)
3162 {
3163         int block_width, block_height, block_bytes;
3164         int wblocks, hblocks;
3165         int min_wblocks;
3166         int sz;
3167
3168         block_width = 4;
3169         block_height = 4;
3170
3171         switch (compress_format) {
3172         case R100_TRACK_COMP_DXT1:
3173                 block_bytes = 8;
3174                 min_wblocks = 4;
3175                 break;
3176         default:
3177         case R100_TRACK_COMP_DXT35:
3178                 block_bytes = 16;
3179                 min_wblocks = 2;
3180                 break;
3181         }
3182
3183         hblocks = (h + block_height - 1) / block_height;
3184         wblocks = (w + block_width - 1) / block_width;
3185         if (wblocks < min_wblocks)
3186                 wblocks = min_wblocks;
3187         sz = wblocks * hblocks * block_bytes;
3188         return sz;
3189 }
3190
3191 static int r100_cs_track_cube(struct radeon_device *rdev,
3192                               struct r100_cs_track *track, unsigned idx)
3193 {
3194         unsigned face, w, h;
3195         struct radeon_bo *cube_robj;
3196         unsigned long size;
3197         unsigned compress_format = track->textures[idx].compress_format;
3198
3199         for (face = 0; face < 5; face++) {
3200                 cube_robj = track->textures[idx].cube_info[face].robj;
3201                 w = track->textures[idx].cube_info[face].width;
3202                 h = track->textures[idx].cube_info[face].height;
3203
3204                 if (compress_format) {
3205                         size = r100_track_compress_size(compress_format, w, h);
3206                 } else
3207                         size = w * h;
3208                 size *= track->textures[idx].cpp;
3209
3210                 size += track->textures[idx].cube_info[face].offset;
3211
3212                 if (size > radeon_bo_size(cube_robj)) {
3213                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
3214                                   size, radeon_bo_size(cube_robj));
3215                         r100_cs_track_texture_print(&track->textures[idx]);
3216                         return -1;
3217                 }
3218         }
3219         return 0;
3220 }
3221
3222 static int r100_cs_track_texture_check(struct radeon_device *rdev,
3223                                        struct r100_cs_track *track)
3224 {
3225         struct radeon_bo *robj;
3226         unsigned long size;
3227         unsigned u, i, w, h, d;
3228         int ret;
3229
3230         for (u = 0; u < track->num_texture; u++) {
3231                 if (!track->textures[u].enabled)
3232                         continue;
3233                 robj = track->textures[u].robj;
3234                 if (robj == NULL) {
3235                         DRM_ERROR("No texture bound to unit %u\n", u);
3236                         return -EINVAL;
3237                 }
3238                 size = 0;
3239                 for (i = 0; i <= track->textures[u].num_levels; i++) {
3240                         if (track->textures[u].use_pitch) {
3241                                 if (rdev->family < CHIP_R300)
3242                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
3243                                 else
3244                                         w = track->textures[u].pitch / (1 << i);
3245                         } else {
3246                                 w = track->textures[u].width;
3247                                 if (rdev->family >= CHIP_RV515)
3248                                         w |= track->textures[u].width_11;
3249                                 w = w / (1 << i);
3250                                 if (track->textures[u].roundup_w)
3251                                         w = roundup_pow_of_two(w);
3252                         }
3253                         h = track->textures[u].height;
3254                         if (rdev->family >= CHIP_RV515)
3255                                 h |= track->textures[u].height_11;
3256                         h = h / (1 << i);
3257                         if (track->textures[u].roundup_h)
3258                                 h = roundup_pow_of_two(h);
3259                         if (track->textures[u].tex_coord_type == 1) {
3260                                 d = (1 << track->textures[u].txdepth) / (1 << i);
3261                                 if (!d)
3262                                         d = 1;
3263                         } else {
3264                                 d = 1;
3265                         }
3266                         if (track->textures[u].compress_format) {
3267
3268                                 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
3269                                 /* compressed textures are block based */
3270                         } else
3271                                 size += w * h * d;
3272                 }
3273                 size *= track->textures[u].cpp;
3274
3275                 switch (track->textures[u].tex_coord_type) {
3276                 case 0:
3277                 case 1:
3278                         break;
3279                 case 2:
3280                         if (track->separate_cube) {
3281                                 ret = r100_cs_track_cube(rdev, track, u);
3282                                 if (ret)
3283                                         return ret;
3284                         } else
3285                                 size *= 6;
3286                         break;
3287                 default:
3288                         DRM_ERROR("Invalid texture coordinate type %u for unit "
3289                                   "%u\n", track->textures[u].tex_coord_type, u);
3290                         return -EINVAL;
3291                 }
3292                 if (size > radeon_bo_size(robj)) {
3293                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
3294                                   "%lu\n", u, size, radeon_bo_size(robj));
3295                         r100_cs_track_texture_print(&track->textures[u]);
3296                         return -EINVAL;
3297                 }
3298         }
3299         return 0;
3300 }
3301
3302 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
3303 {
3304         unsigned i;
3305         unsigned long size;
3306         unsigned prim_walk;
3307         unsigned nverts;
3308
3309         for (i = 0; i < track->num_cb; i++) {
3310                 if (track->cb[i].robj == NULL) {
3311                         if (!(track->zb_cb_clear || track->color_channel_mask ||
3312                               track->blend_read_enable)) {
3313                                 continue;
3314                         }
3315                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
3316                         return -EINVAL;
3317                 }
3318                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
3319                 size += track->cb[i].offset;
3320                 if (size > radeon_bo_size(track->cb[i].robj)) {
3321                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
3322                                   "(need %lu have %lu) !\n", i, size,
3323                                   radeon_bo_size(track->cb[i].robj));
3324                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
3325                                   i, track->cb[i].pitch, track->cb[i].cpp,
3326                                   track->cb[i].offset, track->maxy);
3327                         return -EINVAL;
3328                 }
3329         }
3330         if (track->z_enabled) {
3331                 if (track->zb.robj == NULL) {
3332                         DRM_ERROR("[drm] No buffer for z buffer !\n");
3333                         return -EINVAL;
3334                 }
3335                 size = track->zb.pitch * track->zb.cpp * track->maxy;
3336                 size += track->zb.offset;
3337                 if (size > radeon_bo_size(track->zb.robj)) {
3338                         DRM_ERROR("[drm] Buffer too small for z buffer "
3339                                   "(need %lu have %lu) !\n", size,
3340                                   radeon_bo_size(track->zb.robj));
3341                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
3342                                   track->zb.pitch, track->zb.cpp,
3343                                   track->zb.offset, track->maxy);
3344                         return -EINVAL;
3345                 }
3346         }
3347         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
3348         if (track->vap_vf_cntl & (1 << 14)) {
3349                 nverts = track->vap_alt_nverts;
3350         } else {
3351                 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
3352         }
3353         switch (prim_walk) {
3354         case 1:
3355                 for (i = 0; i < track->num_arrays; i++) {
3356                         size = track->arrays[i].esize * track->max_indx * 4;
3357                         if (track->arrays[i].robj == NULL) {
3358                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3359                                           "bound\n", prim_walk, i);
3360                                 return -EINVAL;
3361                         }
3362                         if (size > radeon_bo_size(track->arrays[i].robj)) {
3363                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3364                                         "need %lu dwords have %lu dwords\n",
3365                                         prim_walk, i, size >> 2,
3366                                         radeon_bo_size(track->arrays[i].robj)
3367                                         >> 2);
3368                                 DRM_ERROR("Max indices %u\n", track->max_indx);
3369                                 return -EINVAL;
3370                         }
3371                 }
3372                 break;
3373         case 2:
3374                 for (i = 0; i < track->num_arrays; i++) {
3375                         size = track->arrays[i].esize * (nverts - 1) * 4;
3376                         if (track->arrays[i].robj == NULL) {
3377                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3378                                           "bound\n", prim_walk, i);
3379                                 return -EINVAL;
3380                         }
3381                         if (size > radeon_bo_size(track->arrays[i].robj)) {
3382                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3383                                         "need %lu dwords have %lu dwords\n",
3384                                         prim_walk, i, size >> 2,
3385                                         radeon_bo_size(track->arrays[i].robj)
3386                                         >> 2);
3387                                 return -EINVAL;
3388                         }
3389                 }
3390                 break;
3391         case 3:
3392                 size = track->vtx_size * nverts;
3393                 if (size != track->immd_dwords) {
3394                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
3395                                   track->immd_dwords, size);
3396                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
3397                                   nverts, track->vtx_size);
3398                         return -EINVAL;
3399                 }
3400                 break;
3401         default:
3402                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
3403                           prim_walk);
3404                 return -EINVAL;
3405         }
3406         return r100_cs_track_texture_check(rdev, track);
3407 }
3408
3409 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
3410 {
3411         unsigned i, face;
3412
3413         if (rdev->family < CHIP_R300) {
3414                 track->num_cb = 1;
3415                 if (rdev->family <= CHIP_RS200)
3416                         track->num_texture = 3;
3417                 else
3418                         track->num_texture = 6;
3419                 track->maxy = 2048;
3420                 track->separate_cube = 1;
3421         } else {
3422                 track->num_cb = 4;
3423                 track->num_texture = 16;
3424                 track->maxy = 4096;
3425                 track->separate_cube = 0;
3426         }
3427
3428         for (i = 0; i < track->num_cb; i++) {
3429                 track->cb[i].robj = NULL;
3430                 track->cb[i].pitch = 8192;
3431                 track->cb[i].cpp = 16;
3432                 track->cb[i].offset = 0;
3433         }
3434         track->z_enabled = true;
3435         track->zb.robj = NULL;
3436         track->zb.pitch = 8192;
3437         track->zb.cpp = 4;
3438         track->zb.offset = 0;
3439         track->vtx_size = 0x7F;
3440         track->immd_dwords = 0xFFFFFFFFUL;
3441         track->num_arrays = 11;
3442         track->max_indx = 0x00FFFFFFUL;
3443         for (i = 0; i < track->num_arrays; i++) {
3444                 track->arrays[i].robj = NULL;
3445                 track->arrays[i].esize = 0x7F;
3446         }
3447         for (i = 0; i < track->num_texture; i++) {
3448                 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
3449                 track->textures[i].pitch = 16536;
3450                 track->textures[i].width = 16536;
3451                 track->textures[i].height = 16536;
3452                 track->textures[i].width_11 = 1 << 11;
3453                 track->textures[i].height_11 = 1 << 11;
3454                 track->textures[i].num_levels = 12;
3455                 if (rdev->family <= CHIP_RS200) {
3456                         track->textures[i].tex_coord_type = 0;
3457                         track->textures[i].txdepth = 0;
3458                 } else {
3459                         track->textures[i].txdepth = 16;
3460                         track->textures[i].tex_coord_type = 1;
3461                 }
3462                 track->textures[i].cpp = 64;
3463                 track->textures[i].robj = NULL;
3464                 /* CS IB emission code makes sure texture unit are disabled */
3465                 track->textures[i].enabled = false;
3466                 track->textures[i].roundup_w = true;
3467                 track->textures[i].roundup_h = true;
3468                 if (track->separate_cube)
3469                         for (face = 0; face < 5; face++) {
3470                                 track->textures[i].cube_info[face].robj = NULL;
3471                                 track->textures[i].cube_info[face].width = 16536;
3472                                 track->textures[i].cube_info[face].height = 16536;
3473                                 track->textures[i].cube_info[face].offset = 0;
3474                         }
3475         }
3476 }
3477
3478 int r100_ring_test(struct radeon_device *rdev)
3479 {
3480         uint32_t scratch;
3481         uint32_t tmp = 0;
3482         unsigned i;
3483         int r;
3484
3485         r = radeon_scratch_get(rdev, &scratch);
3486         if (r) {
3487                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3488                 return r;
3489         }
3490         WREG32(scratch, 0xCAFEDEAD);
3491         r = radeon_ring_lock(rdev, 2);
3492         if (r) {
3493                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3494                 radeon_scratch_free(rdev, scratch);
3495                 return r;
3496         }
3497         radeon_ring_write(rdev, PACKET0(scratch, 0));
3498         radeon_ring_write(rdev, 0xDEADBEEF);
3499         radeon_ring_unlock_commit(rdev);
3500         for (i = 0; i < rdev->usec_timeout; i++) {
3501                 tmp = RREG32(scratch);
3502                 if (tmp == 0xDEADBEEF) {
3503                         break;
3504                 }
3505                 DRM_UDELAY(1);
3506         }
3507         if (i < rdev->usec_timeout) {
3508                 DRM_INFO("ring test succeeded in %d usecs\n", i);
3509         } else {
3510                 DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
3511                           scratch, tmp);
3512                 r = -EINVAL;
3513         }
3514         radeon_scratch_free(rdev, scratch);
3515         return r;
3516 }
3517
3518 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3519 {
3520         radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
3521         radeon_ring_write(rdev, ib->gpu_addr);
3522         radeon_ring_write(rdev, ib->length_dw);
3523 }
3524
3525 int r100_ib_test(struct radeon_device *rdev)
3526 {
3527         struct radeon_ib *ib;
3528         uint32_t scratch;
3529         uint32_t tmp = 0;
3530         unsigned i;
3531         int r;
3532
3533         r = radeon_scratch_get(rdev, &scratch);
3534         if (r) {
3535                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3536                 return r;
3537         }
3538         WREG32(scratch, 0xCAFEDEAD);
3539         r = radeon_ib_get(rdev, &ib);
3540         if (r) {
3541                 return r;
3542         }
3543         ib->ptr[0] = PACKET0(scratch, 0);
3544         ib->ptr[1] = 0xDEADBEEF;
3545         ib->ptr[2] = PACKET2(0);
3546         ib->ptr[3] = PACKET2(0);
3547         ib->ptr[4] = PACKET2(0);
3548         ib->ptr[5] = PACKET2(0);
3549         ib->ptr[6] = PACKET2(0);
3550         ib->ptr[7] = PACKET2(0);
3551         ib->length_dw = 8;
3552         r = radeon_ib_schedule(rdev, ib);
3553         if (r) {
3554                 radeon_scratch_free(rdev, scratch);
3555                 radeon_ib_free(rdev, &ib);
3556                 return r;
3557         }
3558         r = radeon_fence_wait(ib->fence, false);
3559         if (r) {
3560                 return r;
3561         }
3562         for (i = 0; i < rdev->usec_timeout; i++) {
3563                 tmp = RREG32(scratch);
3564                 if (tmp == 0xDEADBEEF) {
3565                         break;
3566                 }
3567                 DRM_UDELAY(1);
3568         }
3569         if (i < rdev->usec_timeout) {
3570                 DRM_INFO("ib test succeeded in %u usecs\n", i);
3571         } else {
3572                 DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
3573                           scratch, tmp);
3574                 r = -EINVAL;
3575         }
3576         radeon_scratch_free(rdev, scratch);
3577         radeon_ib_free(rdev, &ib);
3578         return r;
3579 }
3580
3581 void r100_ib_fini(struct radeon_device *rdev)
3582 {
3583         radeon_ib_pool_fini(rdev);
3584 }
3585
3586 int r100_ib_init(struct radeon_device *rdev)
3587 {
3588         int r;
3589
3590         r = radeon_ib_pool_init(rdev);
3591         if (r) {
3592                 dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
3593                 r100_ib_fini(rdev);
3594                 return r;
3595         }
3596         r = r100_ib_test(rdev);
3597         if (r) {
3598                 dev_err(rdev->dev, "failled testing IB (%d).\n", r);
3599                 r100_ib_fini(rdev);
3600                 return r;
3601         }
3602         return 0;
3603 }
3604
3605 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3606 {
3607         /* Shutdown CP we shouldn't need to do that but better be safe than
3608          * sorry
3609          */
3610         rdev->cp.ready = false;
3611         WREG32(R_000740_CP_CSQ_CNTL, 0);
3612
3613         /* Save few CRTC registers */
3614         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3615         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3616         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3617         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3618         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3619                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3620                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3621         }
3622
3623         /* Disable VGA aperture access */
3624         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3625         /* Disable cursor, overlay, crtc */
3626         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3627         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3628                                         S_000054_CRTC_DISPLAY_DIS(1));
3629         WREG32(R_000050_CRTC_GEN_CNTL,
3630                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3631                         S_000050_CRTC_DISP_REQ_EN_B(1));
3632         WREG32(R_000420_OV0_SCALE_CNTL,
3633                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3634         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3635         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3636                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3637                                                 S_000360_CUR2_LOCK(1));
3638                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3639                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3640                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3641                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3642                 WREG32(R_000360_CUR2_OFFSET,
3643                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3644         }
3645 }
3646
3647 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3648 {
3649         /* Update base address for crtc */
3650         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3651         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3652                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3653         }
3654         /* Restore CRTC registers */
3655         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3656         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3657         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3658         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3659                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3660         }
3661 }
3662
3663 void r100_vga_render_disable(struct radeon_device *rdev)
3664 {
3665         u32 tmp;
3666
3667         tmp = RREG8(R_0003C2_GENMO_WT);
3668         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3669 }
3670
3671 static void r100_debugfs(struct radeon_device *rdev)
3672 {
3673         int r;
3674
3675         r = r100_debugfs_mc_info_init(rdev);
3676         if (r)
3677                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3678 }
3679
3680 static void r100_mc_program(struct radeon_device *rdev)
3681 {
3682         struct r100_mc_save save;
3683
3684         /* Stops all mc clients */
3685         r100_mc_stop(rdev, &save);
3686         if (rdev->flags & RADEON_IS_AGP) {
3687                 WREG32(R_00014C_MC_AGP_LOCATION,
3688                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3689                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3690                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3691                 if (rdev->family > CHIP_RV200)
3692                         WREG32(R_00015C_AGP_BASE_2,
3693                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3694         } else {
3695                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3696                 WREG32(R_000170_AGP_BASE, 0);
3697                 if (rdev->family > CHIP_RV200)
3698                         WREG32(R_00015C_AGP_BASE_2, 0);
3699         }
3700         /* Wait for mc idle */
3701         if (r100_mc_wait_for_idle(rdev))
3702                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3703         /* Program MC, should be a 32bits limited address space */
3704         WREG32(R_000148_MC_FB_LOCATION,
3705                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3706                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3707         r100_mc_resume(rdev, &save);
3708 }
3709
3710 void r100_clock_startup(struct radeon_device *rdev)
3711 {
3712         u32 tmp;
3713
3714         if (radeon_dynclks != -1 && radeon_dynclks)
3715                 radeon_legacy_set_clock_gating(rdev, 1);
3716         /* We need to force on some of the block */
3717         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3718         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3719         if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3720                 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3721         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3722 }
3723
3724 static int r100_startup(struct radeon_device *rdev)
3725 {
3726         int r;
3727
3728         /* set common regs */
3729         r100_set_common_regs(rdev);
3730         /* program mc */
3731         r100_mc_program(rdev);
3732         /* Resume clock */
3733         r100_clock_startup(rdev);
3734         /* Initialize GPU configuration (# pipes, ...) */
3735 //      r100_gpu_init(rdev);
3736         /* Initialize GART (initialize after TTM so we can allocate
3737          * memory through TTM but finalize after TTM) */
3738         r100_enable_bm(rdev);
3739         if (rdev->flags & RADEON_IS_PCI) {
3740                 r = r100_pci_gart_enable(rdev);
3741                 if (r)
3742                         return r;
3743         }
3744         /* Enable IRQ */
3745         r100_irq_set(rdev);
3746         rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3747         /* 1M ring buffer */
3748         r = r100_cp_init(rdev, 1024 * 1024);
3749         if (r) {
3750                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
3751                 return r;
3752         }
3753         r = r100_wb_init(rdev);
3754         if (r)
3755                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
3756         r = r100_ib_init(rdev);
3757         if (r) {
3758                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
3759                 return r;
3760         }
3761         return 0;
3762 }
3763
3764 int r100_resume(struct radeon_device *rdev)
3765 {
3766         /* Make sur GART are not working */
3767         if (rdev->flags & RADEON_IS_PCI)
3768                 r100_pci_gart_disable(rdev);
3769         /* Resume clock before doing reset */
3770         r100_clock_startup(rdev);
3771         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3772         if (radeon_asic_reset(rdev)) {
3773                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3774                         RREG32(R_000E40_RBBM_STATUS),
3775                         RREG32(R_0007C0_CP_STAT));
3776         }
3777         /* post */
3778         radeon_combios_asic_init(rdev->ddev);
3779         /* Resume clock after posting */
3780         r100_clock_startup(rdev);
3781         /* Initialize surface registers */
3782         radeon_surface_init(rdev);
3783         return r100_startup(rdev);
3784 }
3785
3786 int r100_suspend(struct radeon_device *rdev)
3787 {
3788         r100_cp_disable(rdev);
3789         r100_wb_disable(rdev);
3790         r100_irq_disable(rdev);
3791         if (rdev->flags & RADEON_IS_PCI)
3792                 r100_pci_gart_disable(rdev);
3793         return 0;
3794 }
3795
3796 void r100_fini(struct radeon_device *rdev)
3797 {
3798         r100_cp_fini(rdev);
3799         r100_wb_fini(rdev);
3800         r100_ib_fini(rdev);
3801         radeon_gem_fini(rdev);
3802         if (rdev->flags & RADEON_IS_PCI)
3803                 r100_pci_gart_fini(rdev);
3804         radeon_agp_fini(rdev);
3805         radeon_irq_kms_fini(rdev);
3806         radeon_fence_driver_fini(rdev);
3807         radeon_bo_fini(rdev);
3808         radeon_atombios_fini(rdev);
3809         kfree(rdev->bios);
3810         rdev->bios = NULL;
3811 }
3812
3813 int r100_init(struct radeon_device *rdev)
3814 {
3815         int r;
3816
3817         /* Register debugfs file specific to this group of asics */
3818         r100_debugfs(rdev);
3819         /* Disable VGA */
3820         r100_vga_render_disable(rdev);
3821         /* Initialize scratch registers */
3822         radeon_scratch_init(rdev);
3823         /* Initialize surface registers */
3824         radeon_surface_init(rdev);
3825         /* TODO: disable VGA need to use VGA request */
3826         /* BIOS*/
3827         if (!radeon_get_bios(rdev)) {
3828                 if (ASIC_IS_AVIVO(rdev))
3829                         return -EINVAL;
3830         }
3831         if (rdev->is_atom_bios) {
3832                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
3833                 return -EINVAL;
3834         } else {
3835                 r = radeon_combios_init(rdev);
3836                 if (r)
3837                         return r;
3838         }
3839         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3840         if (radeon_asic_reset(rdev)) {
3841                 dev_warn(rdev->dev,
3842                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3843                         RREG32(R_000E40_RBBM_STATUS),
3844                         RREG32(R_0007C0_CP_STAT));
3845         }
3846         /* check if cards are posted or not */
3847         if (radeon_boot_test_post_card(rdev) == false)
3848                 return -EINVAL;
3849         /* Set asic errata */
3850         r100_errata(rdev);
3851         /* Initialize clocks */
3852         radeon_get_clock_info(rdev->ddev);
3853         /* initialize AGP */
3854         if (rdev->flags & RADEON_IS_AGP) {
3855                 r = radeon_agp_init(rdev);
3856                 if (r) {
3857                         radeon_agp_disable(rdev);
3858                 }
3859         }
3860         /* initialize VRAM */
3861         r100_mc_init(rdev);
3862         /* Fence driver */
3863         r = radeon_fence_driver_init(rdev);
3864         if (r)
3865                 return r;
3866         r = radeon_irq_kms_init(rdev);
3867         if (r)
3868                 return r;
3869         /* Memory manager */
3870         r = radeon_bo_init(rdev);
3871         if (r)
3872                 return r;
3873         if (rdev->flags & RADEON_IS_PCI) {
3874                 r = r100_pci_gart_init(rdev);
3875                 if (r)
3876                         return r;
3877         }
3878         r100_set_safe_registers(rdev);
3879         rdev->accel_working = true;
3880         r = r100_startup(rdev);
3881         if (r) {
3882                 /* Somethings want wront with the accel init stop accel */
3883                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
3884                 r100_cp_fini(rdev);
3885                 r100_wb_fini(rdev);
3886                 r100_ib_fini(rdev);
3887                 radeon_irq_kms_fini(rdev);
3888                 if (rdev->flags & RADEON_IS_PCI)
3889                         r100_pci_gart_fini(rdev);
3890                 rdev->accel_working = false;
3891         }
3892         return 0;
3893 }