kernel/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 <drm/drmP.h>
  31 #include <drm/radeon_drm.h>
  32 #include "radeon_reg.h"
  33 #include "radeon.h"
  34 #include "radeon_asic.h"
  35 #include "r100d.h"
  36 #include "rs100d.h"
  37 #include "rv200d.h"
  38 #include "rv250d.h"
  39 #include "atom.h"
  40
  41 #include <linux/firmware.h>
  42 #include <linux/module.h>
  43
  44 #include "r100_reg_safe.h"
  45 #include "rn50_reg_safe.h"
  46
  47 /* Firmware Names */
  48 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  49 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  50 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  51 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  52 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  53 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  54 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  55
  56 MODULE_FIRMWARE(FIRMWARE_R100);
  57 MODULE_FIRMWARE(FIRMWARE_R200);
  58 MODULE_FIRMWARE(FIRMWARE_R300);
  59 MODULE_FIRMWARE(FIRMWARE_R420);
  60 MODULE_FIRMWARE(FIRMWARE_RS690);
  61 MODULE_FIRMWARE(FIRMWARE_RS600);
  62 MODULE_FIRMWARE(FIRMWARE_R520);
  63
  64 #include "r100_track.h"
  65
  66 /* This files gather functions specifics to:
  67  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  68  * and others in some cases.
  69  */
  70
  71 static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
  72 {
  73         if (crtc == 0) {
  74                 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
  75                         return true;
  76                 else
  77                         return false;
  78         } else {
  79                 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
  80                         return true;
  81                 else
  82                         return false;
  83         }
  84 }
  85
  86 static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
  87 {
  88         u32 vline1, vline2;
  89
  90         if (crtc == 0) {
  91                 vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  92                 vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  93         } else {
  94                 vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  95                 vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  96         }
  97         if (vline1 != vline2)
  98                 return true;
  99         else
 100                 return false;
 101 }
 102
 103 /**
 104  * r100_wait_for_vblank - vblank wait asic callback.
 105  *
 106  * @rdev: radeon_device pointer
 107  * @crtc: crtc to wait for vblank on
 108  *
 109  * Wait for vblank on the requested crtc (r1xx-r4xx).
 110  */
 111 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
 112 {
 113         unsigned i = 0;
 114
 115         if (crtc >= rdev->num_crtc)
 116                 return;
 117
 118         if (crtc == 0) {
 119                 if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
 120                         return;
 121         } else {
 122                 if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
 123                         return;
 124         }
 125
 126         /* depending on when we hit vblank, we may be close to active; if so,
 127          * wait for another frame.
 128          */
 129         while (r100_is_in_vblank(rdev, crtc)) {
 130                 if (i++ % 100 == 0) {
 131                         if (!r100_is_counter_moving(rdev, crtc))
 132                                 break;
 133                 }
 134         }
 135
 136         while (!r100_is_in_vblank(rdev, crtc)) {
 137                 if (i++ % 100 == 0) {
 138                         if (!r100_is_counter_moving(rdev, crtc))
 139                                 break;
 140                 }
 141         }
 142 }
 143
 144 /**
 145  * r100_page_flip - pageflip callback.
 146  *
 147  * @rdev: radeon_device pointer
 148  * @crtc_id: crtc to cleanup pageflip on
 149  * @crtc_base: new address of the crtc (GPU MC address)
 150  *
 151  * Does the actual pageflip (r1xx-r4xx).
 152  * During vblank we take the crtc lock and wait for the update_pending
 153  * bit to go high, when it does, we release the lock, and allow the
 154  * double buffered update to take place.
 155  */
 156 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
 157 {
 158         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 159         u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
 160         int i;
 161
 162         /* Lock the graphics update lock */
 163         /* update the scanout addresses */
 164         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 165
 166         /* Wait for update_pending to go high. */
 167         for (i = 0; i < rdev->usec_timeout; i++) {
 168                 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
 169                         break;
 170                 udelay(1);
 171         }
 172         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 173
 174         /* Unlock the lock, so double-buffering can take place inside vblank */
 175         tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
 176         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 177
 178 }
 179
 180 /**
 181  * r100_page_flip_pending - check if page flip is still pending
 182  *
 183  * @rdev: radeon_device pointer
 184  * @crtc_id: crtc to check
 185  *
 186  * Check if the last pagefilp is still pending (r1xx-r4xx).
 187  * Returns the current update pending status.
 188  */
 189 bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id)
 190 {
 191         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 192
 193         /* Return current update_pending status: */
 194         return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) &
 195                 RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET);
 196 }
 197
 198 /**
 199  * r100_pm_get_dynpm_state - look up dynpm power state callback.
 200  *
 201  * @rdev: radeon_device pointer
 202  *
 203  * Look up the optimal power state based on the
 204  * current state of the GPU (r1xx-r5xx).
 205  * Used for dynpm only.
 206  */
 207 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 208 {
 209         int i;
 210         rdev->pm.dynpm_can_upclock = true;
 211         rdev->pm.dynpm_can_downclock = true;
 212
 213         switch (rdev->pm.dynpm_planned_action) {
 214         case DYNPM_ACTION_MINIMUM:
 215                 rdev->pm.requested_power_state_index = 0;
 216                 rdev->pm.dynpm_can_downclock = false;
 217                 break;
 218         case DYNPM_ACTION_DOWNCLOCK:
 219                 if (rdev->pm.current_power_state_index == 0) {
 220                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 221                         rdev->pm.dynpm_can_downclock = false;
 222                 } else {
 223                         if (rdev->pm.active_crtc_count > 1) {
 224                                 for (i = 0; i < rdev->pm.num_power_states; i++) {
 225                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 226                                                 continue;
 227                                         else if (i >= rdev->pm.current_power_state_index) {
 228                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 229                                                 break;
 230                                         } else {
 231                                                 rdev->pm.requested_power_state_index = i;
 232                                                 break;
 233                                         }
 234                                 }
 235                         } else
 236                                 rdev->pm.requested_power_state_index =
 237                                         rdev->pm.current_power_state_index - 1;
 238                 }
 239                 /* don't use the power state if crtcs are active and no display flag is set */
 240                 if ((rdev->pm.active_crtc_count > 0) &&
 241                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
 242                      RADEON_PM_MODE_NO_DISPLAY)) {
 243                         rdev->pm.requested_power_state_index++;
 244                 }
 245                 break;
 246         case DYNPM_ACTION_UPCLOCK:
 247                 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 248                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 249                         rdev->pm.dynpm_can_upclock = false;
 250                 } else {
 251                         if (rdev->pm.active_crtc_count > 1) {
 252                                 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 253                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 254                                                 continue;
 255                                         else if (i <= rdev->pm.current_power_state_index) {
 256                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 257                                                 break;
 258                                         } else {
 259                                                 rdev->pm.requested_power_state_index = i;
 260                                                 break;
 261                                         }
 262                                 }
 263                         } else
 264                                 rdev->pm.requested_power_state_index =
 265                                         rdev->pm.current_power_state_index + 1;
 266                 }
 267                 break;
 268         case DYNPM_ACTION_DEFAULT:
 269                 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 270                 rdev->pm.dynpm_can_upclock = false;
 271                 break;
 272         case DYNPM_ACTION_NONE:
 273         default:
 274                 DRM_ERROR("Requested mode for not defined action\n");
 275                 return;
 276         }
 277         /* only one clock mode per power state */
 278         rdev->pm.requested_clock_mode_index = 0;
 279
 280         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 281                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 282                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 283                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 284                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 285                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 286                   pcie_lanes);
 287 }
 288
 289 /**
 290  * r100_pm_init_profile - Initialize power profiles callback.
 291  *
 292  * @rdev: radeon_device pointer
 293  *
 294  * Initialize the power states used in profile mode
 295  * (r1xx-r3xx).
 296  * Used for profile mode only.
 297  */
 298 void r100_pm_init_profile(struct radeon_device *rdev)
 299 {
 300         /* default */
 301         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 302         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 303         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 304         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 305         /* low sh */
 306         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 307         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 308         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 309         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 310         /* mid sh */
 311         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 312         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 313         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 314         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 315         /* high sh */
 316         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 317         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 318         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 319         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 320         /* low mh */
 321         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 322         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 323         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 324         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 325         /* mid mh */
 326         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 327         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 328         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 329         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 330         /* high mh */
 331         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 332         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 333         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 334         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 335 }
 336
 337 /**
 338  * r100_pm_misc - set additional pm hw parameters callback.
 339  *
 340  * @rdev: radeon_device pointer
 341  *
 342  * Set non-clock parameters associated with a power state
 343  * (voltage, pcie lanes, etc.) (r1xx-r4xx).
 344  */
 345 void r100_pm_misc(struct radeon_device *rdev)
 346 {
 347         int requested_index = rdev->pm.requested_power_state_index;
 348         struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 349         struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 350         u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
 351
 352         if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 353                 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 354                         tmp = RREG32(voltage->gpio.reg);
 355                         if (voltage->active_high)
 356                                 tmp |= voltage->gpio.mask;
 357                         else
 358                                 tmp &= ~(voltage->gpio.mask);
 359                         WREG32(voltage->gpio.reg, tmp);
 360                         if (voltage->delay)
 361                                 udelay(voltage->delay);
 362                 } else {
 363                         tmp = RREG32(voltage->gpio.reg);
 364                         if (voltage->active_high)
 365                                 tmp &= ~voltage->gpio.mask;
 366                         else
 367                                 tmp |= voltage->gpio.mask;
 368                         WREG32(voltage->gpio.reg, tmp);
 369                         if (voltage->delay)
 370                                 udelay(voltage->delay);
 371                 }
 372         }
 373
 374         sclk_cntl = RREG32_PLL(SCLK_CNTL);
 375         sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
 376         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
 377         sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
 378         sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
 379         if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 380                 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
 381                 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
 382                         sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
 383                 else
 384                         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
 385                 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
 386                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
 387                 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
 388                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
 389         } else
 390                 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
 391
 392         if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 393                 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
 394                 if (voltage->delay) {
 395                         sclk_more_cntl |= VOLTAGE_DROP_SYNC;
 396                         switch (voltage->delay) {
 397                         case 33:
 398                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
 399                                 break;
 400                         case 66:
 401                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
 402                                 break;
 403                         case 99:
 404                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
 405                                 break;
 406                         case 132:
 407                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
 408                                 break;
 409                         }
 410                 } else
 411                         sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
 412         } else
 413                 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
 414
 415         if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 416                 sclk_cntl &= ~FORCE_HDP;
 417         else
 418                 sclk_cntl |= FORCE_HDP;
 419
 420         WREG32_PLL(SCLK_CNTL, sclk_cntl);
 421         WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
 422         WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
 423
 424         /* set pcie lanes */
 425         if ((rdev->flags & RADEON_IS_PCIE) &&
 426             !(rdev->flags & RADEON_IS_IGP) &&
 427             rdev->asic->pm.set_pcie_lanes &&
 428             (ps->pcie_lanes !=
 429              rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 430                 radeon_set_pcie_lanes(rdev,
 431                                       ps->pcie_lanes);
 432                 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
 433         }
 434 }
 435
 436 /**
 437  * r100_pm_prepare - pre-power state change callback.
 438  *
 439  * @rdev: radeon_device pointer
 440  *
 441  * Prepare for a power state change (r1xx-r4xx).
 442  */
 443 void r100_pm_prepare(struct radeon_device *rdev)
 444 {
 445         struct drm_device *ddev = rdev->ddev;
 446         struct drm_crtc *crtc;
 447         struct radeon_crtc *radeon_crtc;
 448         u32 tmp;
 449
 450         /* disable any active CRTCs */
 451         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 452                 radeon_crtc = to_radeon_crtc(crtc);
 453                 if (radeon_crtc->enabled) {
 454                         if (radeon_crtc->crtc_id) {
 455                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 456                                 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
 457                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 458                         } else {
 459                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 460                                 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
 461                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 462                         }
 463                 }
 464         }
 465 }
 466
 467 /**
 468  * r100_pm_finish - post-power state change callback.
 469  *
 470  * @rdev: radeon_device pointer
 471  *
 472  * Clean up after a power state change (r1xx-r4xx).
 473  */
 474 void r100_pm_finish(struct radeon_device *rdev)
 475 {
 476         struct drm_device *ddev = rdev->ddev;
 477         struct drm_crtc *crtc;
 478         struct radeon_crtc *radeon_crtc;
 479         u32 tmp;
 480
 481         /* enable any active CRTCs */
 482         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 483                 radeon_crtc = to_radeon_crtc(crtc);
 484                 if (radeon_crtc->enabled) {
 485                         if (radeon_crtc->crtc_id) {
 486                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 487                                 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
 488                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 489                         } else {
 490                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 491                                 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
 492                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 493                         }
 494                 }
 495         }
 496 }
 497
 498 /**
 499  * r100_gui_idle - gui idle callback.
 500  *
 501  * @rdev: radeon_device pointer
 502  *
 503  * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
 504  * Returns true if idle, false if not.
 505  */
 506 bool r100_gui_idle(struct radeon_device *rdev)
 507 {
 508         if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
 509                 return false;
 510         else
 511                 return true;
 512 }
 513
 514 /* hpd for digital panel detect/disconnect */
 515 /**
 516  * r100_hpd_sense - hpd sense callback.
 517  *
 518  * @rdev: radeon_device pointer
 519  * @hpd: hpd (hotplug detect) pin
 520  *
 521  * Checks if a digital monitor is connected (r1xx-r4xx).
 522  * Returns true if connected, false if not connected.
 523  */
 524 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 525 {
 526         bool connected = false;
 527
 528         switch (hpd) {
 529         case RADEON_HPD_1:
 530                 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
 531                         connected = true;
 532                 break;
 533         case RADEON_HPD_2:
 534                 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
 535                         connected = true;
 536                 break;
 537         default:
 538                 break;
 539         }
 540         return connected;
 541 }
 542
 543 /**
 544  * r100_hpd_set_polarity - hpd set polarity callback.
 545  *
 546  * @rdev: radeon_device pointer
 547  * @hpd: hpd (hotplug detect) pin
 548  *
 549  * Set the polarity of the hpd pin (r1xx-r4xx).
 550  */
 551 void r100_hpd_set_polarity(struct radeon_device *rdev,
 552                            enum radeon_hpd_id hpd)
 553 {
 554         u32 tmp;
 555         bool connected = r100_hpd_sense(rdev, hpd);
 556
 557         switch (hpd) {
 558         case RADEON_HPD_1:
 559                 tmp = RREG32(RADEON_FP_GEN_CNTL);
 560                 if (connected)
 561                         tmp &= ~RADEON_FP_DETECT_INT_POL;
 562                 else
 563                         tmp |= RADEON_FP_DETECT_INT_POL;
 564                 WREG32(RADEON_FP_GEN_CNTL, tmp);
 565                 break;
 566         case RADEON_HPD_2:
 567                 tmp = RREG32(RADEON_FP2_GEN_CNTL);
 568                 if (connected)
 569                         tmp &= ~RADEON_FP2_DETECT_INT_POL;
 570                 else
 571                         tmp |= RADEON_FP2_DETECT_INT_POL;
 572                 WREG32(RADEON_FP2_GEN_CNTL, tmp);
 573                 break;
 574         default:
 575                 break;
 576         }
 577 }
 578
 579 /**
 580  * r100_hpd_init - hpd setup callback.
 581  *
 582  * @rdev: radeon_device pointer
 583  *
 584  * Setup the hpd pins used by the card (r1xx-r4xx).
 585  * Set the polarity, and enable the hpd interrupts.
 586  */
 587 void r100_hpd_init(struct radeon_device *rdev)
 588 {
 589         struct drm_device *dev = rdev->ddev;
 590         struct drm_connector *connector;
 591         unsigned enable = 0;
 592
 593         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 594                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 595                 enable |= 1 << radeon_connector->hpd.hpd;
 596                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 597         }
 598         radeon_irq_kms_enable_hpd(rdev, enable);
 599 }
 600
 601 /**
 602  * r100_hpd_fini - hpd tear down callback.
 603  *
 604  * @rdev: radeon_device pointer
 605  *
 606  * Tear down the hpd pins used by the card (r1xx-r4xx).
 607  * Disable the hpd interrupts.
 608  */
 609 void r100_hpd_fini(struct radeon_device *rdev)
 610 {
 611         struct drm_device *dev = rdev->ddev;
 612         struct drm_connector *connector;
 613         unsigned disable = 0;
 614
 615         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 616                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 617                 disable |= 1 << radeon_connector->hpd.hpd;
 618         }
 619         radeon_irq_kms_disable_hpd(rdev, disable);
 620 }
 621
 622 /*
 623  * PCI GART
 624  */
 625 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 626 {
 627         /* TODO: can we do somethings here ? */
 628         /* It seems hw only cache one entry so we should discard this
 629          * entry otherwise if first GPU GART read hit this entry it
 630          * could end up in wrong address. */
 631 }
 632
 633 int r100_pci_gart_init(struct radeon_device *rdev)
 634 {
 635         int r;
 636
 637         if (rdev->gart.ptr) {
 638                 WARN(1, "R100 PCI GART already initialized\n");
 639                 return 0;
 640         }
 641         /* Initialize common gart structure */
 642         r = radeon_gart_init(rdev);
 643         if (r)
 644                 return r;
 645         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 646         rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
 647         rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
 648         rdev->asic->gart.set_page = &r100_pci_gart_set_page;
 649         return radeon_gart_table_ram_alloc(rdev);
 650 }
 651
 652 int r100_pci_gart_enable(struct radeon_device *rdev)
 653 {
 654         uint32_t tmp;
 655
 656         /* discard memory request outside of configured range */
 657         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 658         WREG32(RADEON_AIC_CNTL, tmp);
 659         /* set address range for PCI address translate */
 660         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 661         WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 662         /* set PCI GART page-table base address */
 663         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 664         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 665         WREG32(RADEON_AIC_CNTL, tmp);
 666         r100_pci_gart_tlb_flush(rdev);
 667         DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
 668                  (unsigned)(rdev->mc.gtt_size >> 20),
 669                  (unsigned long long)rdev->gart.table_addr);
 670         rdev->gart.ready = true;
 671         return 0;
 672 }
 673
 674 void r100_pci_gart_disable(struct radeon_device *rdev)
 675 {
 676         uint32_t tmp;
 677
 678         /* discard memory request outside of configured range */
 679         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 680         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 681         WREG32(RADEON_AIC_LO_ADDR, 0);
 682         WREG32(RADEON_AIC_HI_ADDR, 0);
 683 }
 684
 685 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
 686 {
 687         return addr;
 688 }
 689
 690 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
 691                             uint64_t entry)
 692 {
 693         u32 *gtt = rdev->gart.ptr;
 694         gtt[i] = cpu_to_le32(lower_32_bits(entry));
 695 }
 696
 697 void r100_pci_gart_fini(struct radeon_device *rdev)
 698 {
 699         radeon_gart_fini(rdev);
 700         r100_pci_gart_disable(rdev);
 701         radeon_gart_table_ram_free(rdev);
 702 }
 703
 704 int r100_irq_set(struct radeon_device *rdev)
 705 {
 706         uint32_t tmp = 0;
 707
 708         if (!rdev->irq.installed) {
 709                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 710                 WREG32(R_000040_GEN_INT_CNTL, 0);
 711                 return -EINVAL;
 712         }
 713         if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 714                 tmp |= RADEON_SW_INT_ENABLE;
 715         }
 716         if (rdev->irq.crtc_vblank_int[0] ||
 717             atomic_read(&rdev->irq.pflip[0])) {
 718                 tmp |= RADEON_CRTC_VBLANK_MASK;
 719         }
 720         if (rdev->irq.crtc_vblank_int[1] ||
 721             atomic_read(&rdev->irq.pflip[1])) {
 722                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 723         }
 724         if (rdev->irq.hpd[0]) {
 725                 tmp |= RADEON_FP_DETECT_MASK;
 726         }
 727         if (rdev->irq.hpd[1]) {
 728                 tmp |= RADEON_FP2_DETECT_MASK;
 729         }
 730         WREG32(RADEON_GEN_INT_CNTL, tmp);
 731
 732         /* read back to post the write */
 733         RREG32(RADEON_GEN_INT_CNTL);
 734
 735         return 0;
 736 }
 737
 738 void r100_irq_disable(struct radeon_device *rdev)
 739 {
 740         u32 tmp;
 741
 742         WREG32(R_000040_GEN_INT_CNTL, 0);
 743         /* Wait and acknowledge irq */
 744         mdelay(1);
 745         tmp = RREG32(R_000044_GEN_INT_STATUS);
 746         WREG32(R_000044_GEN_INT_STATUS, tmp);
 747 }
 748
 749 static uint32_t r100_irq_ack(struct radeon_device *rdev)
 750 {
 751         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 752         uint32_t irq_mask = RADEON_SW_INT_TEST |
 753                 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 754                 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 755
 756         if (irqs) {
 757                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 758         }
 759         return irqs & irq_mask;
 760 }
 761
 762 int r100_irq_process(struct radeon_device *rdev)
 763 {
 764         uint32_t status, msi_rearm;
 765         bool queue_hotplug = false;
 766
 767         status = r100_irq_ack(rdev);
 768         if (!status) {
 769                 return IRQ_NONE;
 770         }
 771         if (rdev->shutdown) {
 772                 return IRQ_NONE;
 773         }
 774         while (status) {
 775                 /* SW interrupt */
 776                 if (status & RADEON_SW_INT_TEST) {
 777                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 778                 }
 779                 /* Vertical blank interrupts */
 780                 if (status & RADEON_CRTC_VBLANK_STAT) {
 781                         if (rdev->irq.crtc_vblank_int[0]) {
 782                                 drm_handle_vblank(rdev->ddev, 0);
 783                                 rdev->pm.vblank_sync = true;
 784                                 wake_up(&rdev->irq.vblank_queue);
 785                         }
 786                         if (atomic_read(&rdev->irq.pflip[0]))
 787                                 radeon_crtc_handle_vblank(rdev, 0);
 788                 }
 789                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 790                         if (rdev->irq.crtc_vblank_int[1]) {
 791                                 drm_handle_vblank(rdev->ddev, 1);
 792                                 rdev->pm.vblank_sync = true;
 793                                 wake_up(&rdev->irq.vblank_queue);
 794                         }
 795                         if (atomic_read(&rdev->irq.pflip[1]))
 796                                 radeon_crtc_handle_vblank(rdev, 1);
 797                 }
 798                 if (status & RADEON_FP_DETECT_STAT) {
 799                         queue_hotplug = true;
 800                         DRM_DEBUG("HPD1\n");
 801                 }
 802                 if (status & RADEON_FP2_DETECT_STAT) {
 803                         queue_hotplug = true;
 804                         DRM_DEBUG("HPD2\n");
 805                 }
 806                 status = r100_irq_ack(rdev);
 807         }
 808         if (queue_hotplug)
 809                 schedule_delayed_work(&rdev->hotplug_work, 0);
 810         if (rdev->msi_enabled) {
 811                 switch (rdev->family) {
 812                 case CHIP_RS400:
 813                 case CHIP_RS480:
 814                         msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 815                         WREG32(RADEON_AIC_CNTL, msi_rearm);
 816                         WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 817                         break;
 818                 default:
 819                         WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 820                         break;
 821                 }
 822         }
 823         return IRQ_HANDLED;
 824 }
 825
 826 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 827 {
 828         if (crtc == 0)
 829                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 830         else
 831                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 832 }
 833
 834 /**
 835  * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
 836  * rdev: radeon device structure
 837  * ring: ring buffer struct for emitting packets
 838  */
 839 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
 840 {
 841         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 842         radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
 843                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 844         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 845         radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
 846 }
 847
 848 /* Who ever call radeon_fence_emit should call ring_lock and ask
 849  * for enough space (today caller are ib schedule and buffer move) */
 850 void r100_fence_ring_emit(struct radeon_device *rdev,
 851                           struct radeon_fence *fence)
 852 {
 853         struct radeon_ring *ring = &rdev->ring[fence->ring];
 854
 855         /* We have to make sure that caches are flushed before
 856          * CPU might read something from VRAM. */
 857         radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 858         radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
 859         radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 860         radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
 861         /* Wait until IDLE & CLEAN */
 862         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 863         radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 864         r100_ring_hdp_flush(rdev, ring);
 865         /* Emit fence sequence & fire IRQ */
 866         radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 867         radeon_ring_write(ring, fence->seq);
 868         radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 869         radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 870 }
 871
 872 bool r100_semaphore_ring_emit(struct radeon_device *rdev,
 873                               struct radeon_ring *ring,
 874                               struct radeon_semaphore *semaphore,
 875                               bool emit_wait)
 876 {
 877         /* Unused on older asics, since we don't have semaphores or multiple rings */
 878         BUG();
 879         return false;
 880 }
 881
 882 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
 883                                     uint64_t src_offset,
 884                                     uint64_t dst_offset,
 885                                     unsigned num_gpu_pages,
 886                                     struct reservation_object *resv)
 887 {
 888         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 889         struct radeon_fence *fence;
 890         uint32_t cur_pages;
 891         uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
 892         uint32_t pitch;
 893         uint32_t stride_pixels;
 894         unsigned ndw;
 895         int num_loops;
 896         int r = 0;
 897
 898         /* radeon limited to 16k stride */
 899         stride_bytes &= 0x3fff;
 900         /* radeon pitch is /64 */
 901         pitch = stride_bytes / 64;
 902         stride_pixels = stride_bytes / 4;
 903         num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 904
 905         /* Ask for enough room for blit + flush + fence */
 906         ndw = 64 + (10 * num_loops);
 907         r = radeon_ring_lock(rdev, ring, ndw);
 908         if (r) {
 909                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 910                 return ERR_PTR(-EINVAL);
 911         }
 912         while (num_gpu_pages > 0) {
 913                 cur_pages = num_gpu_pages;
 914                 if (cur_pages > 8191) {
 915                         cur_pages = 8191;
 916                 }
 917                 num_gpu_pages -= cur_pages;
 918
 919                 /* pages are in Y direction - height
 920                    page width in X direction - width */
 921                 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
 922                 radeon_ring_write(ring,
 923                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 924                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 925                                   RADEON_GMC_SRC_CLIPPING |
 926                                   RADEON_GMC_DST_CLIPPING |
 927                                   RADEON_GMC_BRUSH_NONE |
 928                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 929                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 930                                   RADEON_ROP3_S |
 931                                   RADEON_DP_SRC_SOURCE_MEMORY |
 932                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 933                                   RADEON_GMC_WR_MSK_DIS);
 934                 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
 935                 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
 936                 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 937                 radeon_ring_write(ring, 0);
 938                 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 939                 radeon_ring_write(ring, num_gpu_pages);
 940                 radeon_ring_write(ring, num_gpu_pages);
 941                 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
 942         }
 943         radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 944         radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
 945         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 946         radeon_ring_write(ring,
 947                           RADEON_WAIT_2D_IDLECLEAN |
 948                           RADEON_WAIT_HOST_IDLECLEAN |
 949                           RADEON_WAIT_DMA_GUI_IDLE);
 950         r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
 951         if (r) {
 952                 radeon_ring_unlock_undo(rdev, ring);
 953                 return ERR_PTR(r);
 954         }
 955         radeon_ring_unlock_commit(rdev, ring, false);
 956         return fence;
 957 }
 958
 959 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 960 {
 961         unsigned i;
 962         u32 tmp;
 963
 964         for (i = 0; i < rdev->usec_timeout; i++) {
 965                 tmp = RREG32(R_000E40_RBBM_STATUS);
 966                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 967                         return 0;
 968                 }
 969                 udelay(1);
 970         }
 971         return -1;
 972 }
 973
 974 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 975 {
 976         int r;
 977
 978         r = radeon_ring_lock(rdev, ring, 2);
 979         if (r) {
 980                 return;
 981         }
 982         radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 983         radeon_ring_write(ring,
 984                           RADEON_ISYNC_ANY2D_IDLE3D |
 985                           RADEON_ISYNC_ANY3D_IDLE2D |
 986                           RADEON_ISYNC_WAIT_IDLEGUI |
 987                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 988         radeon_ring_unlock_commit(rdev, ring, false);
 989 }
 990
 991
 992 /* Load the microcode for the CP */
 993 static int r100_cp_init_microcode(struct radeon_device *rdev)
 994 {
 995         const char *fw_name = NULL;
 996         int err;
 997
 998         DRM_DEBUG_KMS("\n");
 999
1000         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1001             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1002             (rdev->family == CHIP_RS200)) {
1003                 DRM_INFO("Loading R100 Microcode\n");
1004                 fw_name = FIRMWARE_R100;
1005         } else if ((rdev->family == CHIP_R200) ||
1006                    (rdev->family == CHIP_RV250) ||
1007                    (rdev->family == CHIP_RV280) ||
1008                    (rdev->family == CHIP_RS300)) {
1009                 DRM_INFO("Loading R200 Microcode\n");
1010                 fw_name = FIRMWARE_R200;
1011         } else if ((rdev->family == CHIP_R300) ||
1012                    (rdev->family == CHIP_R350) ||
1013                    (rdev->family == CHIP_RV350) ||
1014                    (rdev->family == CHIP_RV380) ||
1015                    (rdev->family == CHIP_RS400) ||
1016                    (rdev->family == CHIP_RS480)) {
1017                 DRM_INFO("Loading R300 Microcode\n");
1018                 fw_name = FIRMWARE_R300;
1019         } else if ((rdev->family == CHIP_R420) ||
1020                    (rdev->family == CHIP_R423) ||
1021                    (rdev->family == CHIP_RV410)) {
1022                 DRM_INFO("Loading R400 Microcode\n");
1023                 fw_name = FIRMWARE_R420;
1024         } else if ((rdev->family == CHIP_RS690) ||
1025                    (rdev->family == CHIP_RS740)) {
1026                 DRM_INFO("Loading RS690/RS740 Microcode\n");
1027                 fw_name = FIRMWARE_RS690;
1028         } else if (rdev->family == CHIP_RS600) {
1029                 DRM_INFO("Loading RS600 Microcode\n");
1030                 fw_name = FIRMWARE_RS600;
1031         } else if ((rdev->family == CHIP_RV515) ||
1032                    (rdev->family == CHIP_R520) ||
1033                    (rdev->family == CHIP_RV530) ||
1034                    (rdev->family == CHIP_R580) ||
1035                    (rdev->family == CHIP_RV560) ||
1036                    (rdev->family == CHIP_RV570)) {
1037                 DRM_INFO("Loading R500 Microcode\n");
1038                 fw_name = FIRMWARE_R520;
1039         }
1040
1041         err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1042         if (err) {
1043                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
1044                        fw_name);
1045         } else if (rdev->me_fw->size % 8) {
1046                 printk(KERN_ERR
1047                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1048                        rdev->me_fw->size, fw_name);
1049                 err = -EINVAL;
1050                 release_firmware(rdev->me_fw);
1051                 rdev->me_fw = NULL;
1052         }
1053         return err;
1054 }
1055
1056 u32 r100_gfx_get_rptr(struct radeon_device *rdev,
1057                       struct radeon_ring *ring)
1058 {
1059         u32 rptr;
1060
1061         if (rdev->wb.enabled)
1062                 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
1063         else
1064                 rptr = RREG32(RADEON_CP_RB_RPTR);
1065
1066         return rptr;
1067 }
1068
1069 u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1070                       struct radeon_ring *ring)
1071 {
1072         u32 wptr;
1073
1074         wptr = RREG32(RADEON_CP_RB_WPTR);
1075
1076         return wptr;
1077 }
1078
1079 void r100_gfx_set_wptr(struct radeon_device *rdev,
1080                        struct radeon_ring *ring)
1081 {
1082         WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1083         (void)RREG32(RADEON_CP_RB_WPTR);
1084 }
1085
1086 static void r100_cp_load_microcode(struct radeon_device *rdev)
1087 {
1088         const __be32 *fw_data;
1089         int i, size;
1090
1091         if (r100_gui_wait_for_idle(rdev)) {
1092                 printk(KERN_WARNING "Failed to wait GUI idle while "
1093                        "programming pipes. Bad things might happen.\n");
1094         }
1095
1096         if (rdev->me_fw) {
1097                 size = rdev->me_fw->size / 4;
1098                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1099                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1100                 for (i = 0; i < size; i += 2) {
1101                         WREG32(RADEON_CP_ME_RAM_DATAH,
1102                                be32_to_cpup(&fw_data[i]));
1103                         WREG32(RADEON_CP_ME_RAM_DATAL,
1104                                be32_to_cpup(&fw_data[i + 1]));
1105                 }
1106         }
1107 }
1108
1109 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1110 {
1111         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1112         unsigned rb_bufsz;
1113         unsigned rb_blksz;
1114         unsigned max_fetch;
1115         unsigned pre_write_timer;
1116         unsigned pre_write_limit;
1117         unsigned indirect2_start;
1118         unsigned indirect1_start;
1119         uint32_t tmp;
1120         int r;
1121
1122         if (r100_debugfs_cp_init(rdev)) {
1123                 DRM_ERROR("Failed to register debugfs file for CP !\n");
1124         }
1125         if (!rdev->me_fw) {
1126                 r = r100_cp_init_microcode(rdev);
1127                 if (r) {
1128                         DRM_ERROR("Failed to load firmware!\n");
1129                         return r;
1130                 }
1131         }
1132
1133         /* Align ring size */
1134         rb_bufsz = order_base_2(ring_size / 8);
1135         ring_size = (1 << (rb_bufsz + 1)) * 4;
1136         r100_cp_load_microcode(rdev);
1137         r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1138                              RADEON_CP_PACKET2);
1139         if (r) {
1140                 return r;
1141         }
1142         /* Each time the cp read 1024 bytes (16 dword/quadword) update
1143          * the rptr copy in system ram */
1144         rb_blksz = 9;
1145         /* cp will read 128bytes at a time (4 dwords) */
1146         max_fetch = 1;
1147         ring->align_mask = 16 - 1;
1148         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1149         pre_write_timer = 64;
1150         /* Force CP_RB_WPTR write if written more than one time before the
1151          * delay expire
1152          */
1153         pre_write_limit = 0;
1154         /* Setup the cp cache like this (cache size is 96 dwords) :
1155          *      RING            0  to 15
1156          *      INDIRECT1       16 to 79
1157          *      INDIRECT2       80 to 95
1158          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1159          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1160          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1161          * Idea being that most of the gpu cmd will be through indirect1 buffer
1162          * so it gets the bigger cache.
1163          */
1164         indirect2_start = 80;
1165         indirect1_start = 16;
1166         /* cp setup */
1167         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1168         tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1169                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1170                REG_SET(RADEON_MAX_FETCH, max_fetch));
1171 #ifdef __BIG_ENDIAN
1172         tmp |= RADEON_BUF_SWAP_32BIT;
1173 #endif
1174         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1175
1176         /* Set ring address */
1177         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1178         WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1179         /* Force read & write ptr to 0 */
1180         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1181         WREG32(RADEON_CP_RB_RPTR_WR, 0);
1182         ring->wptr = 0;
1183         WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1184
1185         /* set the wb address whether it's enabled or not */
1186         WREG32(R_00070C_CP_RB_RPTR_ADDR,
1187                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1188         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1189
1190         if (rdev->wb.enabled)
1191                 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1192         else {
1193                 tmp |= RADEON_RB_NO_UPDATE;
1194                 WREG32(R_000770_SCRATCH_UMSK, 0);
1195         }
1196
1197         WREG32(RADEON_CP_RB_CNTL, tmp);
1198         udelay(10);
1199         /* Set cp mode to bus mastering & enable cp*/
1200         WREG32(RADEON_CP_CSQ_MODE,
1201                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1202                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1203         WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1204         WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1205         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1206
1207         /* at this point everything should be setup correctly to enable master */
1208         pci_set_master(rdev->pdev);
1209
1210         radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1211         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1212         if (r) {
1213                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1214                 return r;
1215         }
1216         ring->ready = true;
1217         radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1218
1219         if (!ring->rptr_save_reg /* not resuming from suspend */
1220             && radeon_ring_supports_scratch_reg(rdev, ring)) {
1221                 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1222                 if (r) {
1223                         DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1224                         ring->rptr_save_reg = 0;
1225                 }
1226         }
1227         return 0;
1228 }
1229
1230 void r100_cp_fini(struct radeon_device *rdev)
1231 {
1232         if (r100_cp_wait_for_idle(rdev)) {
1233                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1234         }
1235         /* Disable ring */
1236         r100_cp_disable(rdev);
1237         radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1238         radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1239         DRM_INFO("radeon: cp finalized\n");
1240 }
1241
1242 void r100_cp_disable(struct radeon_device *rdev)
1243 {
1244         /* Disable ring */
1245         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1246         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1247         WREG32(RADEON_CP_CSQ_MODE, 0);
1248         WREG32(RADEON_CP_CSQ_CNTL, 0);
1249         WREG32(R_000770_SCRATCH_UMSK, 0);
1250         if (r100_gui_wait_for_idle(rdev)) {
1251                 printk(KERN_WARNING "Failed to wait GUI idle while "
1252                        "programming pipes. Bad things might happen.\n");
1253         }
1254 }
1255
1256 /*
1257  * CS functions
1258  */
1259 int r100_reloc_pitch_offset(struct radeon_cs_parser *p,
1260                             struct radeon_cs_packet *pkt,
1261                             unsigned idx,
1262                             unsigned reg)
1263 {
1264         int r;
1265         u32 tile_flags = 0;
1266         u32 tmp;
1267         struct radeon_bo_list *reloc;
1268         u32 value;
1269
1270         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1271         if (r) {
1272                 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1273                           idx, reg);
1274                 radeon_cs_dump_packet(p, pkt);
1275                 return r;
1276         }
1277
1278         value = radeon_get_ib_value(p, idx);
1279         tmp = value & 0x003fffff;
1280         tmp += (((u32)reloc->gpu_offset) >> 10);
1281
1282         if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1283                 if (reloc->tiling_flags & RADEON_TILING_MACRO)
1284                         tile_flags |= RADEON_DST_TILE_MACRO;
1285                 if (reloc->tiling_flags & RADEON_TILING_MICRO) {
1286                         if (reg == RADEON_SRC_PITCH_OFFSET) {
1287                                 DRM_ERROR("Cannot src blit from microtiled surface\n");
1288                                 radeon_cs_dump_packet(p, pkt);
1289                                 return -EINVAL;
1290                         }
1291                         tile_flags |= RADEON_DST_TILE_MICRO;
1292                 }
1293
1294                 tmp |= tile_flags;
1295                 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp;
1296         } else
1297                 p->ib.ptr[idx] = (value & 0xffc00000) | tmp;
1298         return 0;
1299 }
1300
1301 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p,
1302                              struct radeon_cs_packet *pkt,
1303                              int idx)
1304 {
1305         unsigned c, i;
1306         struct radeon_bo_list *reloc;
1307         struct r100_cs_track *track;
1308         int r = 0;
1309         volatile uint32_t *ib;
1310         u32 idx_value;
1311
1312         ib = p->ib.ptr;
1313         track = (struct r100_cs_track *)p->track;
1314         c = radeon_get_ib_value(p, idx++) & 0x1F;
1315         if (c > 16) {
1316             DRM_ERROR("Only 16 vertex buffers are allowed %d\n",
1317                       pkt->opcode);
1318             radeon_cs_dump_packet(p, pkt);
1319             return -EINVAL;
1320         }
1321         track->num_arrays = c;
1322         for (i = 0; i < (c - 1); i+=2, idx+=3) {
1323                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1324                 if (r) {
1325                         DRM_ERROR("No reloc for packet3 %d\n",
1326                                   pkt->opcode);
1327                         radeon_cs_dump_packet(p, pkt);
1328                         return r;
1329                 }
1330                 idx_value = radeon_get_ib_value(p, idx);
1331                 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1332
1333                 track->arrays[i + 0].esize = idx_value >> 8;
1334                 track->arrays[i + 0].robj = reloc->robj;
1335                 track->arrays[i + 0].esize &= 0x7F;
1336                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1337                 if (r) {
1338                         DRM_ERROR("No reloc for packet3 %d\n",
1339                                   pkt->opcode);
1340                         radeon_cs_dump_packet(p, pkt);
1341                         return r;
1342                 }
1343                 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset);
1344                 track->arrays[i + 1].robj = reloc->robj;
1345                 track->arrays[i + 1].esize = idx_value >> 24;
1346                 track->arrays[i + 1].esize &= 0x7F;
1347         }
1348         if (c & 1) {
1349                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1350                 if (r) {
1351                         DRM_ERROR("No reloc for packet3 %d\n",
1352                                           pkt->opcode);
1353                         radeon_cs_dump_packet(p, pkt);
1354                         return r;
1355                 }
1356                 idx_value = radeon_get_ib_value(p, idx);
1357                 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1358                 track->arrays[i + 0].robj = reloc->robj;
1359                 track->arrays[i + 0].esize = idx_value >> 8;
1360                 track->arrays[i + 0].esize &= 0x7F;
1361         }
1362         return r;
1363 }
1364
1365 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
1366                           struct radeon_cs_packet *pkt,
1367                           const unsigned *auth, unsigned n,
1368                           radeon_packet0_check_t check)
1369 {
1370         unsigned reg;
1371         unsigned i, j, m;
1372         unsigned idx;
1373         int r;
1374
1375         idx = pkt->idx + 1;
1376         reg = pkt->reg;
1377         /* Check that register fall into register range
1378          * determined by the number of entry (n) in the
1379          * safe register bitmap.
1380          */
1381         if (pkt->one_reg_wr) {
1382                 if ((reg >> 7) > n) {
1383                         return -EINVAL;
1384                 }
1385         } else {
1386                 if (((reg + (pkt->count << 2)) >> 7) > n) {
1387                         return -EINVAL;
1388                 }
1389         }
1390         for (i = 0; i <= pkt->count; i++, idx++) {
1391                 j = (reg >> 7);
1392                 m = 1 << ((reg >> 2) & 31);
1393                 if (auth[j] & m) {
1394                         r = check(p, pkt, idx, reg);
1395                         if (r) {
1396                                 return r;
1397                         }
1398                 }
1399                 if (pkt->one_reg_wr) {
1400                         if (!(auth[j] & m)) {
1401                                 break;
1402                         }
1403                 } else {
1404                         reg += 4;
1405                 }
1406         }
1407         return 0;
1408 }
1409
1410 /**
1411  * r100_cs_packet_next_vline() - parse userspace VLINE packet
1412  * @parser:             parser structure holding parsing context.
1413  *
1414  * Userspace sends a special sequence for VLINE waits.
1415  * PACKET0 - VLINE_START_END + value
1416  * PACKET0 - WAIT_UNTIL +_value
1417  * RELOC (P3) - crtc_id in reloc.
1418  *
1419  * This function parses this and relocates the VLINE START END
1420  * and WAIT UNTIL packets to the correct crtc.
1421  * It also detects a switched off crtc and nulls out the
1422  * wait in that case.
1423  */
1424 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
1425 {
1426         struct drm_crtc *crtc;
1427         struct radeon_crtc *radeon_crtc;
1428         struct radeon_cs_packet p3reloc, waitreloc;
1429         int crtc_id;
1430         int r;
1431         uint32_t header, h_idx, reg;
1432         volatile uint32_t *ib;
1433
1434         ib = p->ib.ptr;
1435
1436         /* parse the wait until */
1437         r = radeon_cs_packet_parse(p, &waitreloc, p->idx);
1438         if (r)
1439                 return r;
1440
1441         /* check its a wait until and only 1 count */
1442         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
1443             waitreloc.count != 0) {
1444                 DRM_ERROR("vline wait had illegal wait until segment\n");
1445                 return -EINVAL;
1446         }
1447
1448         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
1449                 DRM_ERROR("vline wait had illegal wait until\n");
1450                 return -EINVAL;
1451         }
1452
1453         /* jump over the NOP */
1454         r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
1455         if (r)
1456                 return r;
1457
1458         h_idx = p->idx - 2;
1459         p->idx += waitreloc.count + 2;
1460         p->idx += p3reloc.count + 2;
1461
1462         header = radeon_get_ib_value(p, h_idx);
1463         crtc_id = radeon_get_ib_value(p, h_idx + 5);
1464         reg = R100_CP_PACKET0_GET_REG(header);
1465         crtc = drm_crtc_find(p->rdev->ddev, crtc_id);
1466         if (!crtc) {
1467                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
1468                 return -ENOENT;
1469         }
1470         radeon_crtc = to_radeon_crtc(crtc);
1471         crtc_id = radeon_crtc->crtc_id;
1472
1473         if (!crtc->enabled) {
1474                 /* if the CRTC isn't enabled - we need to nop out the wait until */
1475                 ib[h_idx + 2] = PACKET2(0);
1476                 ib[h_idx + 3] = PACKET2(0);
1477         } else if (crtc_id == 1) {
1478                 switch (reg) {
1479                 case AVIVO_D1MODE_VLINE_START_END:
1480                         header &= ~R300_CP_PACKET0_REG_MASK;
1481                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1482                         break;
1483                 case RADEON_CRTC_GUI_TRIG_VLINE:
1484                         header &= ~R300_CP_PACKET0_REG_MASK;
1485                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1486                         break;
1487                 default:
1488                         DRM_ERROR("unknown crtc reloc\n");
1489                         return -EINVAL;
1490                 }
1491                 ib[h_idx] = header;
1492                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1493         }
1494
1495         return 0;
1496 }
1497
1498 static int r100_get_vtx_size(uint32_t vtx_fmt)
1499 {
1500         int vtx_size;
1501         vtx_size = 2;
1502         /* ordered according to bits in spec */
1503         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1504                 vtx_size++;
1505         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1506                 vtx_size += 3;
1507         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1508                 vtx_size++;
1509         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1510                 vtx_size++;
1511         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1512                 vtx_size += 3;
1513         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1514                 vtx_size++;
1515         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1516                 vtx_size++;
1517         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1518                 vtx_size += 2;
1519         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1520                 vtx_size += 2;
1521         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1522                 vtx_size++;
1523         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1524                 vtx_size += 2;
1525         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1526                 vtx_size++;
1527         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1528                 vtx_size += 2;
1529         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1530                 vtx_size++;
1531         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1532                 vtx_size++;
1533         /* blend weight */
1534         if (vtx_fmt & (0x7 << 15))
1535                 vtx_size += (vtx_fmt >> 15) & 0x7;
1536         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1537                 vtx_size += 3;
1538         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1539                 vtx_size += 2;
1540         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1541                 vtx_size++;
1542         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1543                 vtx_size++;
1544         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1545                 vtx_size++;
1546         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1547                 vtx_size++;
1548         return vtx_size;
1549 }
1550
1551 static int r100_packet0_check(struct radeon_cs_parser *p,
1552                               struct radeon_cs_packet *pkt,
1553                               unsigned idx, unsigned reg)
1554 {
1555         struct radeon_bo_list *reloc;
1556         struct r100_cs_track *track;
1557         volatile uint32_t *ib;
1558         uint32_t tmp;
1559         int r;
1560         int i, face;
1561         u32 tile_flags = 0;
1562         u32 idx_value;
1563
1564         ib = p->ib.ptr;
1565         track = (struct r100_cs_track *)p->track;
1566
1567         idx_value = radeon_get_ib_value(p, idx);
1568
1569         switch (reg) {
1570         case RADEON_CRTC_GUI_TRIG_VLINE:
1571                 r = r100_cs_packet_parse_vline(p);
1572                 if (r) {
1573                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1574                                   idx, reg);
1575                         radeon_cs_dump_packet(p, pkt);
1576                         return r;
1577                 }
1578                 break;
1579                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1580                  * range access */
1581         case RADEON_DST_PITCH_OFFSET:
1582         case RADEON_SRC_PITCH_OFFSET:
1583                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1584                 if (r)
1585                         return r;
1586                 break;
1587         case RADEON_RB3D_DEPTHOFFSET:
1588                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1589                 if (r) {
1590                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1591                                   idx, reg);
1592                         radeon_cs_dump_packet(p, pkt);
1593                         return r;
1594                 }
1595                 track->zb.robj = reloc->robj;
1596                 track->zb.offset = idx_value;
1597                 track->zb_dirty = true;
1598                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1599                 break;
1600         case RADEON_RB3D_COLOROFFSET:
1601                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1602                 if (r) {
1603                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1604                                   idx, reg);
1605                         radeon_cs_dump_packet(p, pkt);
1606                         return r;
1607                 }
1608                 track->cb[0].robj = reloc->robj;
1609                 track->cb[0].offset = idx_value;
1610                 track->cb_dirty = true;
1611                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1612                 break;
1613         case RADEON_PP_TXOFFSET_0:
1614         case RADEON_PP_TXOFFSET_1:
1615         case RADEON_PP_TXOFFSET_2:
1616                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1617                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1618                 if (r) {
1619                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1620                                   idx, reg);
1621                         radeon_cs_dump_packet(p, pkt);
1622                         return r;
1623                 }
1624                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1625                         if (reloc->tiling_flags & RADEON_TILING_MACRO)
1626                                 tile_flags |= RADEON_TXO_MACRO_TILE;
1627                         if (reloc->tiling_flags & RADEON_TILING_MICRO)
1628                                 tile_flags |= RADEON_TXO_MICRO_TILE_X2;
1629
1630                         tmp = idx_value & ~(0x7 << 2);
1631                         tmp |= tile_flags;
1632                         ib[idx] = tmp + ((u32)reloc->gpu_offset);
1633                 } else
1634                         ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1635                 track->textures[i].robj = reloc->robj;
1636                 track->tex_dirty = true;
1637                 break;
1638         case RADEON_PP_CUBIC_OFFSET_T0_0:
1639         case RADEON_PP_CUBIC_OFFSET_T0_1:
1640         case RADEON_PP_CUBIC_OFFSET_T0_2:
1641         case RADEON_PP_CUBIC_OFFSET_T0_3:
1642         case RADEON_PP_CUBIC_OFFSET_T0_4:
1643                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1644                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1645                 if (r) {
1646                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1647                                   idx, reg);
1648                         radeon_cs_dump_packet(p, pkt);
1649                         return r;
1650                 }
1651                 track->textures[0].cube_info[i].offset = idx_value;
1652                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1653                 track->textures[0].cube_info[i].robj = reloc->robj;
1654                 track->tex_dirty = true;
1655                 break;
1656         case RADEON_PP_CUBIC_OFFSET_T1_0:
1657         case RADEON_PP_CUBIC_OFFSET_T1_1:
1658         case RADEON_PP_CUBIC_OFFSET_T1_2:
1659         case RADEON_PP_CUBIC_OFFSET_T1_3:
1660         case RADEON_PP_CUBIC_OFFSET_T1_4:
1661                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1662                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1663                 if (r) {
1664                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1665                                   idx, reg);
1666                         radeon_cs_dump_packet(p, pkt);
1667                         return r;
1668                 }
1669                 track->textures[1].cube_info[i].offset = idx_value;
1670                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1671                 track->textures[1].cube_info[i].robj = reloc->robj;
1672                 track->tex_dirty = true;
1673                 break;
1674         case RADEON_PP_CUBIC_OFFSET_T2_0:
1675         case RADEON_PP_CUBIC_OFFSET_T2_1:
1676         case RADEON_PP_CUBIC_OFFSET_T2_2:
1677         case RADEON_PP_CUBIC_OFFSET_T2_3:
1678         case RADEON_PP_CUBIC_OFFSET_T2_4:
1679                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1680                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1681                 if (r) {
1682                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1683                                   idx, reg);
1684                         radeon_cs_dump_packet(p, pkt);
1685                         return r;
1686                 }
1687                 track->textures[2].cube_info[i].offset = idx_value;
1688                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1689                 track->textures[2].cube_info[i].robj = reloc->robj;
1690                 track->tex_dirty = true;
1691                 break;
1692         case RADEON_RE_WIDTH_HEIGHT:
1693                 track->maxy = ((idx_value >> 16) & 0x7FF);
1694                 track->cb_dirty = true;
1695                 track->zb_dirty = true;
1696                 break;
1697         case RADEON_RB3D_COLORPITCH:
1698                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1699                 if (r) {
1700                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1701                                   idx, reg);
1702                         radeon_cs_dump_packet(p, pkt);
1703                         return r;
1704                 }
1705                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
1706                         if (reloc->tiling_flags & RADEON_TILING_MACRO)
1707                                 tile_flags |= RADEON_COLOR_TILE_ENABLE;
1708                         if (reloc->tiling_flags & RADEON_TILING_MICRO)
1709                                 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1710
1711                         tmp = idx_value & ~(0x7 << 16);
1712                         tmp |= tile_flags;
1713                         ib[idx] = tmp;
1714                 } else
1715                         ib[idx] = idx_value;
1716
1717                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1718                 track->cb_dirty = true;
1719                 break;
1720         case RADEON_RB3D_DEPTHPITCH:
1721                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1722                 track->zb_dirty = true;
1723                 break;
1724         case RADEON_RB3D_CNTL:
1725                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1726                 case 7:
1727                 case 8:
1728                 case 9:
1729                 case 11:
1730                 case 12:
1731                         track->cb[0].cpp = 1;
1732                         break;
1733                 case 3:
1734                 case 4:
1735                 case 15:
1736                         track->cb[0].cpp = 2;
1737                         break;
1738                 case 6:
1739                         track->cb[0].cpp = 4;
1740                         break;
1741                 default:
1742                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1743                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1744                         return -EINVAL;
1745                 }
1746                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1747                 track->cb_dirty = true;
1748                 track->zb_dirty = true;
1749                 break;
1750         case RADEON_RB3D_ZSTENCILCNTL:
1751                 switch (idx_value & 0xf) {
1752                 case 0:
1753                         track->zb.cpp = 2;
1754                         break;
1755                 case 2:
1756                 case 3:
1757                 case 4:
1758                 case 5:
1759                 case 9:
1760                 case 11:
1761                         track->zb.cpp = 4;
1762                         break;
1763                 default:
1764                         break;
1765                 }
1766                 track->zb_dirty = true;
1767                 break;
1768         case RADEON_RB3D_ZPASS_ADDR:
1769                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1770                 if (r) {
1771                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1772                                   idx, reg);
1773                         radeon_cs_dump_packet(p, pkt);
1774                         return r;
1775                 }
1776                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1777                 break;
1778         case RADEON_PP_CNTL:
1779                 {
1780                         uint32_t temp = idx_value >> 4;
1781                         for (i = 0; i < track->num_texture; i++)
1782                                 track->textures[i].enabled = !!(temp & (1 << i));
1783                         track->tex_dirty = true;
1784                 }
1785                 break;
1786         case RADEON_SE_VF_CNTL:
1787                 track->vap_vf_cntl = idx_value;
1788                 break;
1789         case RADEON_SE_VTX_FMT:
1790                 track->vtx_size = r100_get_vtx_size(idx_value);
1791                 break;
1792         case RADEON_PP_TEX_SIZE_0:
1793         case RADEON_PP_TEX_SIZE_1:
1794         case RADEON_PP_TEX_SIZE_2:
1795                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1796                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1797                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1798                 track->tex_dirty = true;
1799                 break;
1800         case RADEON_PP_TEX_PITCH_0:
1801         case RADEON_PP_TEX_PITCH_1:
1802         case RADEON_PP_TEX_PITCH_2:
1803                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1804                 track->textures[i].pitch = idx_value + 32;
1805                 track->tex_dirty = true;
1806                 break;
1807         case RADEON_PP_TXFILTER_0:
1808         case RADEON_PP_TXFILTER_1:
1809         case RADEON_PP_TXFILTER_2:
1810                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1811                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1812                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1813                 tmp = (idx_value >> 23) & 0x7;
1814                 if (tmp == 2 || tmp == 6)
1815                         track->textures[i].roundup_w = false;
1816                 tmp = (idx_value >> 27) & 0x7;
1817                 if (tmp == 2 || tmp == 6)
1818                         track->textures[i].roundup_h = false;
1819                 track->tex_dirty = true;
1820                 break;
1821         case RADEON_PP_TXFORMAT_0:
1822         case RADEON_PP_TXFORMAT_1:
1823         case RADEON_PP_TXFORMAT_2:
1824                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1825                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1826                         track->textures[i].use_pitch = 1;
1827                 } else {
1828                         track->textures[i].use_pitch = 0;
1829                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1830                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1831                 }
1832                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1833                         track->textures[i].tex_coord_type = 2;
1834                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1835                 case RADEON_TXFORMAT_I8:
1836                 case RADEON_TXFORMAT_RGB332:
1837                 case RADEON_TXFORMAT_Y8:
1838                         track->textures[i].cpp = 1;
1839                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1840                         break;
1841                 case RADEON_TXFORMAT_AI88:
1842                 case RADEON_TXFORMAT_ARGB1555:
1843                 case RADEON_TXFORMAT_RGB565:
1844                 case RADEON_TXFORMAT_ARGB4444:
1845                 case RADEON_TXFORMAT_VYUY422:
1846                 case RADEON_TXFORMAT_YVYU422:
1847                 case RADEON_TXFORMAT_SHADOW16:
1848                 case RADEON_TXFORMAT_LDUDV655:
1849                 case RADEON_TXFORMAT_DUDV88:
1850                         track->textures[i].cpp = 2;
1851                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1852                         break;
1853                 case RADEON_TXFORMAT_ARGB8888:
1854                 case RADEON_TXFORMAT_RGBA8888:
1855                 case RADEON_TXFORMAT_SHADOW32:
1856                 case RADEON_TXFORMAT_LDUDUV8888:
1857                         track->textures[i].cpp = 4;
1858                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
1859                         break;
1860                 case RADEON_TXFORMAT_DXT1:
1861                         track->textures[i].cpp = 1;
1862                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1863                         break;
1864                 case RADEON_TXFORMAT_DXT23:
1865                 case RADEON_TXFORMAT_DXT45:
1866                         track->textures[i].cpp = 1;
1867                         track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1868                         break;
1869                 }
1870                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1871                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1872                 track->tex_dirty = true;
1873                 break;
1874         case RADEON_PP_CUBIC_FACES_0:
1875         case RADEON_PP_CUBIC_FACES_1:
1876         case RADEON_PP_CUBIC_FACES_2:
1877                 tmp = idx_value;
1878                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1879                 for (face = 0; face < 4; face++) {
1880                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1881                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1882                 }
1883                 track->tex_dirty = true;
1884                 break;
1885         default:
1886                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1887                        reg, idx);
1888                 return -EINVAL;
1889         }
1890         return 0;
1891 }
1892
1893 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1894                                          struct radeon_cs_packet *pkt,
1895                                          struct radeon_bo *robj)
1896 {
1897         unsigned idx;
1898         u32 value;
1899         idx = pkt->idx + 1;
1900         value = radeon_get_ib_value(p, idx + 2);
1901         if ((value + 1) > radeon_bo_size(robj)) {
1902                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1903                           "(need %u have %lu) !\n",
1904                           value + 1,
1905                           radeon_bo_size(robj));
1906                 return -EINVAL;
1907         }
1908         return 0;
1909 }
1910
1911 static int r100_packet3_check(struct radeon_cs_parser *p,
1912                               struct radeon_cs_packet *pkt)
1913 {
1914         struct radeon_bo_list *reloc;
1915         struct r100_cs_track *track;
1916         unsigned idx;
1917         volatile uint32_t *ib;
1918         int r;
1919
1920         ib = p->ib.ptr;
1921         idx = pkt->idx + 1;
1922         track = (struct r100_cs_track *)p->track;
1923         switch (pkt->opcode) {
1924         case PACKET3_3D_LOAD_VBPNTR:
1925                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1926                 if (r)
1927                         return r;
1928                 break;
1929         case PACKET3_INDX_BUFFER:
1930                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1931                 if (r) {
1932                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1933                         radeon_cs_dump_packet(p, pkt);
1934                         return r;
1935                 }
1936                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1937                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1938                 if (r) {
1939                         return r;
1940                 }
1941                 break;
1942         case 0x23:
1943                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1944                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1945                 if (r) {
1946                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1947                         radeon_cs_dump_packet(p, pkt);
1948                         return r;
1949                 }
1950                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1951                 track->num_arrays = 1;
1952                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1953
1954                 track->arrays[0].robj = reloc->robj;
1955                 track->arrays[0].esize = track->vtx_size;
1956
1957                 track->max_indx = radeon_get_ib_value(p, idx+1);
1958
1959                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1960                 track->immd_dwords = pkt->count - 1;
1961                 r = r100_cs_track_check(p->rdev, track);
1962                 if (r)
1963                         return r;
1964                 break;
1965         case PACKET3_3D_DRAW_IMMD:
1966                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1967                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1968                         return -EINVAL;
1969                 }
1970                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1971                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1972                 track->immd_dwords = pkt->count - 1;
1973                 r = r100_cs_track_check(p->rdev, track);
1974                 if (r)
1975                         return r;
1976                 break;
1977                 /* triggers drawing using in-packet vertex data */
1978         case PACKET3_3D_DRAW_IMMD_2:
1979                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1980                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1981                         return -EINVAL;
1982                 }
1983                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1984                 track->immd_dwords = pkt->count;
1985                 r = r100_cs_track_check(p->rdev, track);
1986                 if (r)
1987                         return r;
1988                 break;
1989                 /* triggers drawing using in-packet vertex data */
1990         case PACKET3_3D_DRAW_VBUF_2:
1991                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1992                 r = r100_cs_track_check(p->rdev, track);
1993                 if (r)
1994                         return r;
1995                 break;
1996                 /* triggers drawing of vertex buffers setup elsewhere */
1997         case PACKET3_3D_DRAW_INDX_2:
1998                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1999                 r = r100_cs_track_check(p->rdev, track);
2000                 if (r)
2001                         return r;
2002                 break;
2003                 /* triggers drawing using indices to vertex buffer */
2004         case PACKET3_3D_DRAW_VBUF:
2005                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2006                 r = r100_cs_track_check(p->rdev, track);
2007                 if (r)
2008                         return r;
2009                 break;
2010                 /* triggers drawing of vertex buffers setup elsewhere */
2011         case PACKET3_3D_DRAW_INDX:
2012                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2013                 r = r100_cs_track_check(p->rdev, track);
2014                 if (r)
2015                         return r;
2016                 break;
2017                 /* triggers drawing using indices to vertex buffer */
2018         case PACKET3_3D_CLEAR_HIZ:
2019         case PACKET3_3D_CLEAR_ZMASK:
2020                 if (p->rdev->hyperz_filp != p->filp)
2021                         return -EINVAL;
2022                 break;
2023         case PACKET3_NOP:
2024                 break;
2025         default:
2026                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2027                 return -EINVAL;
2028         }
2029         return 0;
2030 }
2031
2032 int r100_cs_parse(struct radeon_cs_parser *p)
2033 {
2034         struct radeon_cs_packet pkt;
2035         struct r100_cs_track *track;
2036         int r;
2037
2038         track = kzalloc(sizeof(*track), GFP_KERNEL);
2039         if (!track)
2040                 return -ENOMEM;
2041         r100_cs_track_clear(p->rdev, track);
2042         p->track = track;
2043         do {
2044                 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2045                 if (r) {
2046                         return r;
2047                 }
2048                 p->idx += pkt.count + 2;
2049                 switch (pkt.type) {
2050                 case RADEON_PACKET_TYPE0:
2051                         if (p->rdev->family >= CHIP_R200)
2052                                 r = r100_cs_parse_packet0(p, &pkt,
2053                                         p->rdev->config.r100.reg_safe_bm,
2054                                         p->rdev->config.r100.reg_safe_bm_size,
2055                                         &r200_packet0_check);
2056                         else
2057                                 r = r100_cs_parse_packet0(p, &pkt,
2058                                         p->rdev->config.r100.reg_safe_bm,
2059                                         p->rdev->config.r100.reg_safe_bm_size,
2060                                         &r100_packet0_check);
2061                         break;
2062                 case RADEON_PACKET_TYPE2:
2063                         break;
2064                 case RADEON_PACKET_TYPE3:
2065                         r = r100_packet3_check(p, &pkt);
2066                         break;
2067                 default:
2068                         DRM_ERROR("Unknown packet type %d !\n",
2069                                   pkt.type);
2070                         return -EINVAL;
2071                 }
2072                 if (r)
2073                         return r;
2074         } while (p->idx < p->chunk_ib->length_dw);
2075         return 0;
2076 }
2077
2078 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2079 {
2080         DRM_ERROR("pitch                      %d\n", t->pitch);
2081         DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
2082         DRM_ERROR("width                      %d\n", t->width);
2083         DRM_ERROR("width_11                   %d\n", t->width_11);
2084         DRM_ERROR("height                     %d\n", t->height);
2085         DRM_ERROR("height_11                  %d\n", t->height_11);
2086         DRM_ERROR("num levels                 %d\n", t->num_levels);
2087         DRM_ERROR("depth                      %d\n", t->txdepth);
2088         DRM_ERROR("bpp                        %d\n", t->cpp);
2089         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2090         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2091         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2092         DRM_ERROR("compress format            %d\n", t->compress_format);
2093 }
2094
2095 static int r100_track_compress_size(int compress_format, int w, int h)
2096 {
2097         int block_width, block_height, block_bytes;
2098         int wblocks, hblocks;
2099         int min_wblocks;
2100         int sz;
2101
2102         block_width = 4;
2103         block_height = 4;
2104
2105         switch (compress_format) {
2106         case R100_TRACK_COMP_DXT1:
2107                 block_bytes = 8;
2108                 min_wblocks = 4;
2109                 break;
2110         default:
2111         case R100_TRACK_COMP_DXT35:
2112                 block_bytes = 16;
2113                 min_wblocks = 2;
2114                 break;
2115         }
2116
2117         hblocks = (h + block_height - 1) / block_height;
2118         wblocks = (w + block_width - 1) / block_width;
2119         if (wblocks < min_wblocks)
2120                 wblocks = min_wblocks;
2121         sz = wblocks * hblocks * block_bytes;
2122         return sz;
2123 }
2124
2125 static int r100_cs_track_cube(struct radeon_device *rdev,
2126                               struct r100_cs_track *track, unsigned idx)
2127 {
2128         unsigned face, w, h;
2129         struct radeon_bo *cube_robj;
2130         unsigned long size;
2131         unsigned compress_format = track->textures[idx].compress_format;
2132
2133         for (face = 0; face < 5; face++) {
2134                 cube_robj = track->textures[idx].cube_info[face].robj;
2135                 w = track->textures[idx].cube_info[face].width;
2136                 h = track->textures[idx].cube_info[face].height;
2137
2138                 if (compress_format) {
2139                         size = r100_track_compress_size(compress_format, w, h);
2140                 } else
2141                         size = w * h;
2142                 size *= track->textures[idx].cpp;
2143
2144                 size += track->textures[idx].cube_info[face].offset;
2145
2146                 if (size > radeon_bo_size(cube_robj)) {
2147                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2148                                   size, radeon_bo_size(cube_robj));
2149                         r100_cs_track_texture_print(&track->textures[idx]);
2150                         return -1;
2151                 }
2152         }
2153         return 0;
2154 }
2155
2156 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2157                                        struct r100_cs_track *track)
2158 {
2159         struct radeon_bo *robj;
2160         unsigned long size;
2161         unsigned u, i, w, h, d;
2162         int ret;
2163
2164         for (u = 0; u < track->num_texture; u++) {
2165                 if (!track->textures[u].enabled)
2166                         continue;
2167                 if (track->textures[u].lookup_disable)
2168                         continue;
2169                 robj = track->textures[u].robj;
2170                 if (robj == NULL) {
2171                         DRM_ERROR("No texture bound to unit %u\n", u);
2172                         return -EINVAL;
2173                 }
2174                 size = 0;
2175                 for (i = 0; i <= track->textures[u].num_levels; i++) {
2176                         if (track->textures[u].use_pitch) {
2177                                 if (rdev->family < CHIP_R300)
2178                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2179                                 else
2180                                         w = track->textures[u].pitch / (1 << i);
2181                         } else {
2182                                 w = track->textures[u].width;
2183                                 if (rdev->family >= CHIP_RV515)
2184                                         w |= track->textures[u].width_11;
2185                                 w = w / (1 << i);
2186                                 if (track->textures[u].roundup_w)
2187                                         w = roundup_pow_of_two(w);
2188                         }
2189                         h = track->textures[u].height;
2190                         if (rdev->family >= CHIP_RV515)
2191                                 h |= track->textures[u].height_11;
2192                         h = h / (1 << i);
2193                         if (track->textures[u].roundup_h)
2194                                 h = roundup_pow_of_two(h);
2195                         if (track->textures[u].tex_coord_type == 1) {
2196                                 d = (1 << track->textures[u].txdepth) / (1 << i);
2197                                 if (!d)
2198                                         d = 1;
2199                         } else {
2200                                 d = 1;
2201                         }
2202                         if (track->textures[u].compress_format) {
2203
2204                                 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2205                                 /* compressed textures are block based */
2206                         } else
2207                                 size += w * h * d;
2208                 }
2209                 size *= track->textures[u].cpp;
2210
2211                 switch (track->textures[u].tex_coord_type) {
2212                 case 0:
2213                 case 1:
2214                         break;
2215                 case 2:
2216                         if (track->separate_cube) {
2217                                 ret = r100_cs_track_cube(rdev, track, u);
2218                                 if (ret)
2219                                         return ret;
2220                         } else
2221                                 size *= 6;
2222                         break;
2223                 default:
2224                         DRM_ERROR("Invalid texture coordinate type %u for unit "
2225                                   "%u\n", track->textures[u].tex_coord_type, u);
2226                         return -EINVAL;
2227                 }
2228                 if (size > radeon_bo_size(robj)) {
2229                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2230                                   "%lu\n", u, size, radeon_bo_size(robj));
2231                         r100_cs_track_texture_print(&track->textures[u]);
2232                         return -EINVAL;
2233                 }
2234         }
2235         return 0;
2236 }
2237
2238 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2239 {
2240         unsigned i;
2241         unsigned long size;
2242         unsigned prim_walk;
2243         unsigned nverts;
2244         unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2245
2246         if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2247             !track->blend_read_enable)
2248                 num_cb = 0;
2249
2250         for (i = 0; i < num_cb; i++) {
2251                 if (track->cb[i].robj == NULL) {
2252                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2253                         return -EINVAL;
2254                 }
2255                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2256                 size += track->cb[i].offset;
2257                 if (size > radeon_bo_size(track->cb[i].robj)) {
2258                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
2259                                   "(need %lu have %lu) !\n", i, size,
2260                                   radeon_bo_size(track->cb[i].robj));
2261                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2262                                   i, track->cb[i].pitch, track->cb[i].cpp,
2263                                   track->cb[i].offset, track->maxy);
2264                         return -EINVAL;
2265                 }
2266         }
2267         track->cb_dirty = false;
2268
2269         if (track->zb_dirty && track->z_enabled) {
2270                 if (track->zb.robj == NULL) {
2271                         DRM_ERROR("[drm] No buffer for z buffer !\n");
2272                         return -EINVAL;
2273                 }
2274                 size = track->zb.pitch * track->zb.cpp * track->maxy;
2275                 size += track->zb.offset;
2276                 if (size > radeon_bo_size(track->zb.robj)) {
2277                         DRM_ERROR("[drm] Buffer too small for z buffer "
2278                                   "(need %lu have %lu) !\n", size,
2279                                   radeon_bo_size(track->zb.robj));
2280                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2281                                   track->zb.pitch, track->zb.cpp,
2282                                   track->zb.offset, track->maxy);
2283                         return -EINVAL;
2284                 }
2285         }
2286         track->zb_dirty = false;
2287
2288         if (track->aa_dirty && track->aaresolve) {
2289                 if (track->aa.robj == NULL) {
2290                         DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2291                         return -EINVAL;
2292                 }
2293                 /* I believe the format comes from colorbuffer0. */
2294                 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2295                 size += track->aa.offset;
2296                 if (size > radeon_bo_size(track->aa.robj)) {
2297                         DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2298                                   "(need %lu have %lu) !\n", i, size,
2299                                   radeon_bo_size(track->aa.robj));
2300                         DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2301                                   i, track->aa.pitch, track->cb[0].cpp,
2302                                   track->aa.offset, track->maxy);
2303                         return -EINVAL;
2304                 }
2305         }
2306         track->aa_dirty = false;
2307
2308         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2309         if (track->vap_vf_cntl & (1 << 14)) {
2310                 nverts = track->vap_alt_nverts;
2311         } else {
2312                 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2313         }
2314         switch (prim_walk) {
2315         case 1:
2316                 for (i = 0; i < track->num_arrays; i++) {
2317                         size = track->arrays[i].esize * track->max_indx * 4;
2318                         if (track->arrays[i].robj == NULL) {
2319                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2320                                           "bound\n", prim_walk, i);
2321                                 return -EINVAL;
2322                         }
2323                         if (size > radeon_bo_size(track->arrays[i].robj)) {
2324                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2325                                         "need %lu dwords have %lu dwords\n",
2326                                         prim_walk, i, size >> 2,
2327                                         radeon_bo_size(track->arrays[i].robj)
2328                                         >> 2);
2329                                 DRM_ERROR("Max indices %u\n", track->max_indx);
2330                                 return -EINVAL;
2331                         }
2332                 }
2333                 break;
2334         case 2:
2335                 for (i = 0; i < track->num_arrays; i++) {
2336                         size = track->arrays[i].esize * (nverts - 1) * 4;
2337                         if (track->arrays[i].robj == NULL) {
2338                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2339                                           "bound\n", prim_walk, i);
2340                                 return -EINVAL;
2341                         }
2342                         if (size > radeon_bo_size(track->arrays[i].robj)) {
2343                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2344                                         "need %lu dwords have %lu dwords\n",
2345                                         prim_walk, i, size >> 2,
2346                                         radeon_bo_size(track->arrays[i].robj)
2347                                         >> 2);
2348                                 return -EINVAL;
2349                         }
2350                 }
2351                 break;
2352         case 3:
2353                 size = track->vtx_size * nverts;
2354                 if (size != track->immd_dwords) {
2355                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2356                                   track->immd_dwords, size);
2357                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2358                                   nverts, track->vtx_size);
2359                         return -EINVAL;
2360                 }
2361                 break;
2362         default:
2363                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2364                           prim_walk);
2365                 return -EINVAL;
2366         }
2367
2368         if (track->tex_dirty) {
2369                 track->tex_dirty = false;
2370                 return r100_cs_track_texture_check(rdev, track);
2371         }
2372         return 0;
2373 }
2374
2375 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2376 {
2377         unsigned i, face;
2378
2379         track->cb_dirty = true;
2380         track->zb_dirty = true;
2381         track->tex_dirty = true;
2382         track->aa_dirty = true;
2383
2384         if (rdev->family < CHIP_R300) {
2385                 track->num_cb = 1;
2386                 if (rdev->family <= CHIP_RS200)
2387                         track->num_texture = 3;
2388                 else
2389                         track->num_texture = 6;
2390                 track->maxy = 2048;
2391                 track->separate_cube = 1;
2392         } else {
2393                 track->num_cb = 4;
2394                 track->num_texture = 16;
2395                 track->maxy = 4096;
2396                 track->separate_cube = 0;
2397                 track->aaresolve = false;
2398                 track->aa.robj = NULL;
2399         }
2400
2401         for (i = 0; i < track->num_cb; i++) {
2402                 track->cb[i].robj = NULL;
2403                 track->cb[i].pitch = 8192;
2404                 track->cb[i].cpp = 16;
2405                 track->cb[i].offset = 0;
2406         }
2407         track->z_enabled = true;
2408         track->zb.robj = NULL;
2409         track->zb.pitch = 8192;
2410         track->zb.cpp = 4;
2411         track->zb.offset = 0;
2412         track->vtx_size = 0x7F;
2413         track->immd_dwords = 0xFFFFFFFFUL;
2414         track->num_arrays = 11;
2415         track->max_indx = 0x00FFFFFFUL;
2416         for (i = 0; i < track->num_arrays; i++) {
2417                 track->arrays[i].robj = NULL;
2418                 track->arrays[i].esize = 0x7F;
2419         }
2420         for (i = 0; i < track->num_texture; i++) {
2421                 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2422                 track->textures[i].pitch = 16536;
2423                 track->textures[i].width = 16536;
2424                 track->textures[i].height = 16536;
2425                 track->textures[i].width_11 = 1 << 11;
2426                 track->textures[i].height_11 = 1 << 11;
2427                 track->textures[i].num_levels = 12;
2428                 if (rdev->family <= CHIP_RS200) {
2429                         track->textures[i].tex_coord_type = 0;
2430                         track->textures[i].txdepth = 0;
2431                 } else {
2432                         track->textures[i].txdepth = 16;
2433                         track->textures[i].tex_coord_type = 1;
2434                 }
2435                 track->textures[i].cpp = 64;
2436                 track->textures[i].robj = NULL;
2437                 /* CS IB emission code makes sure texture unit are disabled */
2438                 track->textures[i].enabled = false;
2439                 track->textures[i].lookup_disable = false;
2440                 track->textures[i].roundup_w = true;
2441                 track->textures[i].roundup_h = true;
2442                 if (track->separate_cube)
2443                         for (face = 0; face < 5; face++) {
2444                                 track->textures[i].cube_info[face].robj = NULL;
2445                                 track->textures[i].cube_info[face].width = 16536;
2446                                 track->textures[i].cube_info[face].height = 16536;
2447                                 track->textures[i].cube_info[face].offset = 0;
2448                         }
2449         }
2450 }
2451
2452 /*
2453  * Global GPU functions
2454  */
2455 static void r100_errata(struct radeon_device *rdev)
2456 {
2457         rdev->pll_errata = 0;
2458
2459         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2460                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2461         }
2462
2463         if (rdev->family == CHIP_RV100 ||
2464             rdev->family == CHIP_RS100 ||
2465             rdev->family == CHIP_RS200) {
2466                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2467         }
2468 }
2469
2470 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2471 {
2472         unsigned i;
2473         uint32_t tmp;
2474
2475         for (i = 0; i < rdev->usec_timeout; i++) {
2476                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2477                 if (tmp >= n) {
2478                         return 0;
2479                 }
2480                 DRM_UDELAY(1);
2481         }
2482         return -1;
2483 }
2484
2485 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2486 {
2487         unsigned i;
2488         uint32_t tmp;
2489
2490         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2491                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
2492                        " Bad things might happen.\n");
2493         }
2494         for (i = 0; i < rdev->usec_timeout; i++) {
2495                 tmp = RREG32(RADEON_RBBM_STATUS);
2496                 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2497                         return 0;
2498                 }
2499                 DRM_UDELAY(1);
2500         }
2501         return -1;
2502 }
2503
2504 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2505 {
2506         unsigned i;
2507         uint32_t tmp;
2508
2509         for (i = 0; i < rdev->usec_timeout; i++) {
2510                 /* read MC_STATUS */
2511                 tmp = RREG32(RADEON_MC_STATUS);
2512                 if (tmp & RADEON_MC_IDLE) {
2513                         return 0;
2514                 }
2515                 DRM_UDELAY(1);
2516         }
2517         return -1;
2518 }
2519
2520 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2521 {
2522         u32 rbbm_status;
2523
2524         rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2525         if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2526                 radeon_ring_lockup_update(rdev, ring);
2527                 return false;
2528         }
2529         return radeon_ring_test_lockup(rdev, ring);
2530 }
2531
2532 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
2533 void r100_enable_bm(struct radeon_device *rdev)
2534 {
2535         uint32_t tmp;
2536         /* Enable bus mastering */
2537         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2538         WREG32(RADEON_BUS_CNTL, tmp);
2539 }
2540
2541 void r100_bm_disable(struct radeon_device *rdev)
2542 {
2543         u32 tmp;
2544
2545         /* disable bus mastering */
2546         tmp = RREG32(R_000030_BUS_CNTL);
2547         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2548         mdelay(1);
2549         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2550         mdelay(1);
2551         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2552         tmp = RREG32(RADEON_BUS_CNTL);
2553         mdelay(1);
2554         pci_clear_master(rdev->pdev);
2555         mdelay(1);
2556 }
2557
2558 int r100_asic_reset(struct radeon_device *rdev)
2559 {
2560         struct r100_mc_save save;
2561         u32 status, tmp;
2562         int ret = 0;
2563
2564         status = RREG32(R_000E40_RBBM_STATUS);
2565         if (!G_000E40_GUI_ACTIVE(status)) {
2566                 return 0;
2567         }
2568         r100_mc_stop(rdev, &save);
2569         status = RREG32(R_000E40_RBBM_STATUS);
2570         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2571         /* stop CP */
2572         WREG32(RADEON_CP_CSQ_CNTL, 0);
2573         tmp = RREG32(RADEON_CP_RB_CNTL);
2574         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2575         WREG32(RADEON_CP_RB_RPTR_WR, 0);
2576         WREG32(RADEON_CP_RB_WPTR, 0);
2577         WREG32(RADEON_CP_RB_CNTL, tmp);
2578         /* save PCI state */
2579         pci_save_state(rdev->pdev);
2580         /* disable bus mastering */
2581         r100_bm_disable(rdev);
2582         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2583                                         S_0000F0_SOFT_RESET_RE(1) |
2584                                         S_0000F0_SOFT_RESET_PP(1) |
2585                                         S_0000F0_SOFT_RESET_RB(1));
2586         RREG32(R_0000F0_RBBM_SOFT_RESET);
2587         mdelay(500);
2588         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2589         mdelay(1);
2590         status = RREG32(R_000E40_RBBM_STATUS);
2591         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2592         /* reset CP */
2593         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2594         RREG32(R_0000F0_RBBM_SOFT_RESET);
2595         mdelay(500);
2596         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2597         mdelay(1);
2598         status = RREG32(R_000E40_RBBM_STATUS);
2599         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2600         /* restore PCI & busmastering */
2601         pci_restore_state(rdev->pdev);
2602         r100_enable_bm(rdev);
2603         /* Check if GPU is idle */
2604         if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2605                 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2606                 dev_err(rdev->dev, "failed to reset GPU\n");
2607                 ret = -1;
2608         } else
2609                 dev_info(rdev->dev, "GPU reset succeed\n");
2610         r100_mc_resume(rdev, &save);
2611         return ret;
2612 }
2613
2614 void r100_set_common_regs(struct radeon_device *rdev)
2615 {
2616         struct drm_device *dev = rdev->ddev;
2617         bool force_dac2 = false;
2618         u32 tmp;
2619
2620         /* set these so they don't interfere with anything */
2621         WREG32(RADEON_OV0_SCALE_CNTL, 0);
2622         WREG32(RADEON_SUBPIC_CNTL, 0);
2623         WREG32(RADEON_VIPH_CONTROL, 0);
2624         WREG32(RADEON_I2C_CNTL_1, 0);
2625         WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2626         WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2627         WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2628
2629         /* always set up dac2 on rn50 and some rv100 as lots
2630          * of servers seem to wire it up to a VGA port but
2631          * don't report it in the bios connector
2632          * table.
2633          */
2634         switch (dev->pdev->device) {
2635                 /* RN50 */
2636         case 0x515e:
2637         case 0x5969:
2638                 force_dac2 = true;
2639                 break;
2640                 /* RV100*/
2641         case 0x5159:
2642         case 0x515a:
2643                 /* DELL triple head servers */
2644                 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2645                     ((dev->pdev->subsystem_device == 0x016c) ||
2646                      (dev->pdev->subsystem_device == 0x016d) ||
2647                      (dev->pdev->subsystem_device == 0x016e) ||
2648                      (dev->pdev->subsystem_device == 0x016f) ||
2649                      (dev->pdev->subsystem_device == 0x0170) ||
2650                      (dev->pdev->subsystem_device == 0x017d) ||
2651                      (dev->pdev->subsystem_device == 0x017e) ||
2652                      (dev->pdev->subsystem_device == 0x0183) ||
2653                      (dev->pdev->subsystem_device == 0x018a) ||
2654                      (dev->pdev->subsystem_device == 0x019a)))
2655                         force_dac2 = true;
2656                 break;
2657         }
2658
2659         if (force_dac2) {
2660                 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2661                 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2662                 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2663
2664                 /* For CRT on DAC2, don't turn it on if BIOS didn't
2665                    enable it, even it's detected.
2666                 */
2667
2668                 /* force it to crtc0 */
2669                 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2670                 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2671                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2672
2673                 /* set up the TV DAC */
2674                 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2675                                  RADEON_TV_DAC_STD_MASK |
2676                                  RADEON_TV_DAC_RDACPD |
2677                                  RADEON_TV_DAC_GDACPD |
2678                                  RADEON_TV_DAC_BDACPD |
2679                                  RADEON_TV_DAC_BGADJ_MASK |
2680                                  RADEON_TV_DAC_DACADJ_MASK);
2681                 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2682                                 RADEON_TV_DAC_NHOLD |
2683                                 RADEON_TV_DAC_STD_PS2 |
2684                                 (0x58 << 16));
2685
2686                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2687                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2688                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2689         }
2690
2691         /* switch PM block to ACPI mode */
2692         tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2693         tmp &= ~RADEON_PM_MODE_SEL;
2694         WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2695
2696 }
2697
2698 /*
2699  * VRAM info
2700  */
2701 static void r100_vram_get_type(struct radeon_device *rdev)
2702 {
2703         uint32_t tmp;
2704
2705         rdev->mc.vram_is_ddr = false;
2706         if (rdev->flags & RADEON_IS_IGP)
2707                 rdev->mc.vram_is_ddr = true;
2708         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2709                 rdev->mc.vram_is_ddr = true;
2710         if ((rdev->family == CHIP_RV100) ||
2711             (rdev->family == CHIP_RS100) ||
2712             (rdev->family == CHIP_RS200)) {
2713                 tmp = RREG32(RADEON_MEM_CNTL);
2714                 if (tmp & RV100_HALF_MODE) {
2715                         rdev->mc.vram_width = 32;
2716                 } else {
2717                         rdev->mc.vram_width = 64;
2718                 }
2719                 if (rdev->flags & RADEON_SINGLE_CRTC) {
2720                         rdev->mc.vram_width /= 4;
2721                         rdev->mc.vram_is_ddr = true;
2722                 }
2723         } else if (rdev->family <= CHIP_RV280) {
2724                 tmp = RREG32(RADEON_MEM_CNTL);
2725                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2726                         rdev->mc.vram_width = 128;
2727                 } else {
2728                         rdev->mc.vram_width = 64;
2729                 }
2730         } else {
2731                 /* newer IGPs */
2732                 rdev->mc.vram_width = 128;
2733         }
2734 }
2735
2736 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2737 {
2738         u32 aper_size;
2739         u8 byte;
2740
2741         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2742
2743         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2744          * that is has the 2nd generation multifunction PCI interface
2745          */
2746         if (rdev->family == CHIP_RV280 ||
2747             rdev->family >= CHIP_RV350) {
2748                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2749                        ~RADEON_HDP_APER_CNTL);
2750                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2751                 return aper_size * 2;
2752         }
2753
2754         /* Older cards have all sorts of funny issues to deal with. First
2755          * check if it's a multifunction card by reading the PCI config
2756          * header type... Limit those to one aperture size
2757          */
2758         pci_read_config_byte(rdev->pdev, 0xe, &byte);
2759         if (byte & 0x80) {
2760                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2761                 DRM_INFO("Limiting VRAM to one aperture\n");
2762                 return aper_size;
2763         }
2764
2765         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2766          * have set it up. We don't write this as it's broken on some ASICs but
2767          * we expect the BIOS to have done the right thing (might be too optimistic...)
2768          */
2769         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2770                 return aper_size * 2;
2771         return aper_size;
2772 }
2773
2774 void r100_vram_init_sizes(struct radeon_device *rdev)
2775 {
2776         u64 config_aper_size;
2777
2778         /* work out accessible VRAM */
2779         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2780         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2781         rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2782         /* FIXME we don't use the second aperture yet when we could use it */
2783         if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2784                 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2785         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2786         if (rdev->flags & RADEON_IS_IGP) {
2787                 uint32_t tom;
2788                 /* read NB_TOM to get the amount of ram stolen for the GPU */
2789                 tom = RREG32(RADEON_NB_TOM);
2790                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2791                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2792                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2793         } else {
2794                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2795                 /* Some production boards of m6 will report 0
2796                  * if it's 8 MB
2797                  */
2798                 if (rdev->mc.real_vram_size == 0) {
2799                         rdev->mc.real_vram_size = 8192 * 1024;
2800                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2801                 }
2802                 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2803                  * Novell bug 204882 + along with lots of ubuntu ones
2804                  */
2805                 if (rdev->mc.aper_size > config_aper_size)
2806                         config_aper_size = rdev->mc.aper_size;
2807
2808                 if (config_aper_size > rdev->mc.real_vram_size)
2809                         rdev->mc.mc_vram_size = config_aper_size;
2810                 else
2811                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2812         }
2813 }
2814
2815 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2816 {
2817         uint32_t temp;
2818
2819         temp = RREG32(RADEON_CONFIG_CNTL);
2820         if (state == false) {
2821                 temp &= ~RADEON_CFG_VGA_RAM_EN;
2822                 temp |= RADEON_CFG_VGA_IO_DIS;
2823         } else {
2824                 temp &= ~RADEON_CFG_VGA_IO_DIS;
2825         }
2826         WREG32(RADEON_CONFIG_CNTL, temp);
2827 }
2828
2829 static void r100_mc_init(struct radeon_device *rdev)
2830 {
2831         u64 base;
2832
2833         r100_vram_get_type(rdev);
2834         r100_vram_init_sizes(rdev);
2835         base = rdev->mc.aper_base;
2836         if (rdev->flags & RADEON_IS_IGP)
2837                 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2838         radeon_vram_location(rdev, &rdev->mc, base);
2839         rdev->mc.gtt_base_align = 0;
2840         if (!(rdev->flags & RADEON_IS_AGP))
2841                 radeon_gtt_location(rdev, &rdev->mc);
2842         radeon_update_bandwidth_info(rdev);
2843 }
2844
2845
2846 /*
2847  * Indirect registers accessor
2848  */
2849 void r100_pll_errata_after_index(struct radeon_device *rdev)
2850 {
2851         if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2852                 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2853                 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2854         }
2855 }
2856
2857 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2858 {
2859         /* This workarounds is necessary on RV100, RS100 and RS200 chips
2860          * or the chip could hang on a subsequent access
2861          */
2862         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2863                 mdelay(5);
2864         }
2865
2866         /* This function is required to workaround a hardware bug in some (all?)
2867          * revisions of the R300.  This workaround should be called after every
2868          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2869          * may not be correct.
2870          */
2871         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2872                 uint32_t save, tmp;
2873
2874                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2875                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2876                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2877                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2878                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2879         }
2880 }
2881
2882 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2883 {
2884         unsigned long flags;
2885         uint32_t data;
2886
2887         spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2888         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2889         r100_pll_errata_after_index(rdev);
2890         data = RREG32(RADEON_CLOCK_CNTL_DATA);
2891         r100_pll_errata_after_data(rdev);
2892         spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2893         return data;
2894 }
2895
2896 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2897 {
2898         unsigned long flags;
2899
2900         spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2901         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2902         r100_pll_errata_after_index(rdev);
2903         WREG32(RADEON_CLOCK_CNTL_DATA, v);
2904         r100_pll_errata_after_data(rdev);
2905         spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2906 }
2907
2908 static void r100_set_safe_registers(struct radeon_device *rdev)
2909 {
2910         if (ASIC_IS_RN50(rdev)) {
2911                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2912                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2913         } else if (rdev->family < CHIP_R200) {
2914                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2915                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2916         } else {
2917                 r200_set_safe_registers(rdev);
2918         }
2919 }
2920
2921 /*
2922  * Debugfs info
2923  */
2924 #if defined(CONFIG_DEBUG_FS)
2925 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2926 {
2927         struct drm_info_node *node = (struct drm_info_node *) m->private;
2928         struct drm_device *dev = node->minor->dev;
2929         struct radeon_device *rdev = dev->dev_private;
2930         uint32_t reg, value;
2931         unsigned i;
2932
2933         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2934         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2935         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2936         for (i = 0; i < 64; i++) {
2937                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2938                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2939                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2940                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2941                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2942         }
2943         return 0;
2944 }
2945
2946 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2947 {
2948         struct drm_info_node *node = (struct drm_info_node *) m->private;
2949         struct drm_device *dev = node->minor->dev;
2950         struct radeon_device *rdev = dev->dev_private;
2951         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2952         uint32_t rdp, wdp;
2953         unsigned count, i, j;
2954
2955         radeon_ring_free_size(rdev, ring);
2956         rdp = RREG32(RADEON_CP_RB_RPTR);
2957         wdp = RREG32(RADEON_CP_RB_WPTR);
2958         count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2959         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2960         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2961         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2962         seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2963         seq_printf(m, "%u dwords in ring\n", count);
2964         if (ring->ready) {
2965                 for (j = 0; j <= count; j++) {
2966                         i = (rdp + j) & ring->ptr_mask;
2967                         seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2968                 }
2969         }
2970         return 0;
2971 }
2972
2973
2974 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2975 {
2976         struct drm_info_node *node = (struct drm_info_node *) m->private;
2977         struct drm_device *dev = node->minor->dev;
2978         struct radeon_device *rdev = dev->dev_private;
2979         uint32_t csq_stat, csq2_stat, tmp;
2980         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2981         unsigned i;
2982
2983         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2984         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2985         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2986         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2987         r_rptr = (csq_stat >> 0) & 0x3ff;
2988         r_wptr = (csq_stat >> 10) & 0x3ff;
2989         ib1_rptr = (csq_stat >> 20) & 0x3ff;
2990         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2991         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2992         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2993         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2994         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2995         seq_printf(m, "Ring rptr %u\n", r_rptr);
2996         seq_printf(m, "Ring wptr %u\n", r_wptr);
2997         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2998         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2999         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
3000         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
3001         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3002          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3003         seq_printf(m, "Ring fifo:\n");
3004         for (i = 0; i < 256; i++) {
3005                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3006                 tmp = RREG32(RADEON_CP_CSQ_DATA);
3007                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3008         }
3009         seq_printf(m, "Indirect1 fifo:\n");
3010         for (i = 256; i <= 512; i++) {
3011                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3012                 tmp = RREG32(RADEON_CP_CSQ_DATA);
3013                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3014         }
3015         seq_printf(m, "Indirect2 fifo:\n");
3016         for (i = 640; i < ib1_wptr; i++) {
3017                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3018                 tmp = RREG32(RADEON_CP_CSQ_DATA);
3019                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3020         }
3021         return 0;
3022 }
3023
3024 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
3025 {
3026         struct drm_info_node *node = (struct drm_info_node *) m->private;
3027         struct drm_device *dev = node->minor->dev;
3028         struct radeon_device *rdev = dev->dev_private;
3029         uint32_t tmp;
3030
3031         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3032         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3033         tmp = RREG32(RADEON_MC_FB_LOCATION);
3034         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3035         tmp = RREG32(RADEON_BUS_CNTL);
3036         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3037         tmp = RREG32(RADEON_MC_AGP_LOCATION);
3038         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3039         tmp = RREG32(RADEON_AGP_BASE);
3040         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3041         tmp = RREG32(RADEON_HOST_PATH_CNTL);
3042         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3043         tmp = RREG32(0x01D0);
3044         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3045         tmp = RREG32(RADEON_AIC_LO_ADDR);
3046         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3047         tmp = RREG32(RADEON_AIC_HI_ADDR);
3048         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3049         tmp = RREG32(0x01E4);
3050         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3051         return 0;
3052 }
3053
3054 static struct drm_info_list r100_debugfs_rbbm_list[] = {
3055         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
3056 };
3057
3058 static struct drm_info_list r100_debugfs_cp_list[] = {
3059         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
3060         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
3061 };
3062
3063 static struct drm_info_list r100_debugfs_mc_info_list[] = {
3064         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
3065 };
3066 #endif
3067
3068 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
3069 {
3070 #if defined(CONFIG_DEBUG_FS)
3071         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
3072 #else
3073         return 0;
3074 #endif
3075 }
3076
3077 int r100_debugfs_cp_init(struct radeon_device *rdev)
3078 {
3079 #if defined(CONFIG_DEBUG_FS)
3080         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
3081 #else
3082         return 0;
3083 #endif
3084 }
3085
3086 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
3087 {
3088 #if defined(CONFIG_DEBUG_FS)
3089         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
3090 #else
3091         return 0;
3092 #endif
3093 }
3094
3095 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3096                          uint32_t tiling_flags, uint32_t pitch,
3097                          uint32_t offset, uint32_t obj_size)
3098 {
3099         int surf_index = reg * 16;
3100         int flags = 0;
3101
3102         if (rdev->family <= CHIP_RS200) {
3103                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3104                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3105                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
3106                 if (tiling_flags & RADEON_TILING_MACRO)
3107                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
3108                 /* setting pitch to 0 disables tiling */
3109                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3110                                 == 0)
3111                         pitch = 0;
3112         } else if (rdev->family <= CHIP_RV280) {
3113                 if (tiling_flags & (RADEON_TILING_MACRO))
3114                         flags |= R200_SURF_TILE_COLOR_MACRO;
3115                 if (tiling_flags & RADEON_TILING_MICRO)
3116                         flags |= R200_SURF_TILE_COLOR_MICRO;
3117         } else {
3118                 if (tiling_flags & RADEON_TILING_MACRO)
3119                         flags |= R300_SURF_TILE_MACRO;
3120                 if (tiling_flags & RADEON_TILING_MICRO)
3121                         flags |= R300_SURF_TILE_MICRO;
3122         }
3123
3124         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3125                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3126         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3127                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3128
3129         /* r100/r200 divide by 16 */
3130         if (rdev->family < CHIP_R300)
3131                 flags |= pitch / 16;
3132         else
3133                 flags |= pitch / 8;
3134
3135
3136         DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3137         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3138         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3139         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3140         return 0;
3141 }
3142
3143 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3144 {
3145         int surf_index = reg * 16;
3146         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3147 }
3148
3149 void r100_bandwidth_update(struct radeon_device *rdev)
3150 {
3151         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3152         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3153         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
3154         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3155         fixed20_12 memtcas_ff[8] = {
3156                 dfixed_init(1),
3157                 dfixed_init(2),
3158                 dfixed_init(3),
3159                 dfixed_init(0),
3160                 dfixed_init_half(1),
3161                 dfixed_init_half(2),
3162                 dfixed_init(0),
3163         };
3164         fixed20_12 memtcas_rs480_ff[8] = {
3165                 dfixed_init(0),
3166                 dfixed_init(1),
3167                 dfixed_init(2),
3168                 dfixed_init(3),
3169                 dfixed_init(0),
3170                 dfixed_init_half(1),
3171                 dfixed_init_half(2),
3172                 dfixed_init_half(3),
3173         };
3174         fixed20_12 memtcas2_ff[8] = {
3175                 dfixed_init(0),
3176                 dfixed_init(1),
3177                 dfixed_init(2),
3178                 dfixed_init(3),
3179                 dfixed_init(4),
3180                 dfixed_init(5),
3181                 dfixed_init(6),
3182                 dfixed_init(7),
3183         };
3184         fixed20_12 memtrbs[8] = {
3185                 dfixed_init(1),
3186                 dfixed_init_half(1),
3187                 dfixed_init(2),
3188                 dfixed_init_half(2),
3189                 dfixed_init(3),
3190                 dfixed_init_half(3),
3191                 dfixed_init(4),
3192                 dfixed_init_half(4)
3193         };
3194         fixed20_12 memtrbs_r4xx[8] = {
3195                 dfixed_init(4),
3196                 dfixed_init(5),
3197                 dfixed_init(6),
3198                 dfixed_init(7),
3199                 dfixed_init(8),
3200                 dfixed_init(9),
3201                 dfixed_init(10),
3202                 dfixed_init(11)
3203         };
3204         fixed20_12 min_mem_eff;
3205         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3206         fixed20_12 cur_latency_mclk, cur_latency_sclk;
3207         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
3208                 disp_drain_rate2, read_return_rate;
3209         fixed20_12 time_disp1_drop_priority;
3210         int c;
3211         int cur_size = 16;       /* in octawords */
3212         int critical_point = 0, critical_point2;
3213 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
3214         int stop_req, max_stop_req;
3215         struct drm_display_mode *mode1 = NULL;
3216         struct drm_display_mode *mode2 = NULL;
3217         uint32_t pixel_bytes1 = 0;
3218         uint32_t pixel_bytes2 = 0;
3219
3220         /* Guess line buffer size to be 8192 pixels */
3221         u32 lb_size = 8192;
3222
3223         if (!rdev->mode_info.mode_config_initialized)
3224                 return;
3225
3226         radeon_update_display_priority(rdev);
3227
3228         if (rdev->mode_info.crtcs[0]->base.enabled) {
3229                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3230                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.primary->fb->bits_per_pixel / 8;
3231         }
3232         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3233                 if (rdev->mode_info.crtcs[1]->base.enabled) {
3234                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3235                         pixel_bytes2 = rdev->mode_info.crtcs[1]->base.primary->fb->bits_per_pixel / 8;
3236                 }
3237         }
3238
3239         min_mem_eff.full = dfixed_const_8(0);
3240         /* get modes */
3241         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3242                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3243                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3244                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3245                 /* check crtc enables */
3246                 if (mode2)
3247                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3248                 if (mode1)
3249                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3250                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3251         }
3252
3253         /*
3254          * determine is there is enough bw for current mode
3255          */
3256         sclk_ff = rdev->pm.sclk;
3257         mclk_ff = rdev->pm.mclk;
3258
3259         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3260         temp_ff.full = dfixed_const(temp);
3261         mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3262
3263         pix_clk.full = 0;
3264         pix_clk2.full = 0;
3265         peak_disp_bw.full = 0;
3266         if (mode1) {
3267                 temp_ff.full = dfixed_const(1000);
3268                 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3269                 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3270                 temp_ff.full = dfixed_const(pixel_bytes1);
3271                 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3272         }
3273         if (mode2) {
3274                 temp_ff.full = dfixed_const(1000);
3275                 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3276                 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3277                 temp_ff.full = dfixed_const(pixel_bytes2);
3278                 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3279         }
3280
3281         mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3282         if (peak_disp_bw.full >= mem_bw.full) {
3283                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3284                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3285         }
3286
3287         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
3288         temp = RREG32(RADEON_MEM_TIMING_CNTL);
3289         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3290                 mem_trcd = ((temp >> 2) & 0x3) + 1;
3291                 mem_trp  = ((temp & 0x3)) + 1;
3292                 mem_tras = ((temp & 0x70) >> 4) + 1;
3293         } else if (rdev->family == CHIP_R300 ||
3294                    rdev->family == CHIP_R350) { /* r300, r350 */
3295                 mem_trcd = (temp & 0x7) + 1;
3296                 mem_trp = ((temp >> 8) & 0x7) + 1;
3297                 mem_tras = ((temp >> 11) & 0xf) + 4;
3298         } else if (rdev->family == CHIP_RV350 ||
3299                    rdev->family <= CHIP_RV380) {
3300                 /* rv3x0 */
3301                 mem_trcd = (temp & 0x7) + 3;
3302                 mem_trp = ((temp >> 8) & 0x7) + 3;
3303                 mem_tras = ((temp >> 11) & 0xf) + 6;
3304         } else if (rdev->family == CHIP_R420 ||
3305                    rdev->family == CHIP_R423 ||
3306                    rdev->family == CHIP_RV410) {
3307                 /* r4xx */
3308                 mem_trcd = (temp & 0xf) + 3;
3309                 if (mem_trcd > 15)
3310                         mem_trcd = 15;
3311                 mem_trp = ((temp >> 8) & 0xf) + 3;
3312                 if (mem_trp > 15)
3313                         mem_trp = 15;
3314                 mem_tras = ((temp >> 12) & 0x1f) + 6;
3315                 if (mem_tras > 31)
3316                         mem_tras = 31;
3317         } else { /* RV200, R200 */
3318                 mem_trcd = (temp & 0x7) + 1;
3319                 mem_trp = ((temp >> 8) & 0x7) + 1;
3320                 mem_tras = ((temp >> 12) & 0xf) + 4;
3321         }
3322         /* convert to FF */
3323         trcd_ff.full = dfixed_const(mem_trcd);
3324         trp_ff.full = dfixed_const(mem_trp);
3325         tras_ff.full = dfixed_const(mem_tras);
3326
3327         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3328         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3329         data = (temp & (7 << 20)) >> 20;
3330         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3331                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3332                         tcas_ff = memtcas_rs480_ff[data];
3333                 else
3334                         tcas_ff = memtcas_ff[data];
3335         } else
3336                 tcas_ff = memtcas2_ff[data];
3337
3338         if (rdev->family == CHIP_RS400 ||
3339             rdev->family == CHIP_RS480) {
3340                 /* extra cas latency stored in bits 23-25 0-4 clocks */
3341                 data = (temp >> 23) & 0x7;
3342                 if (data < 5)
3343                         tcas_ff.full += dfixed_const(data);
3344         }
3345
3346         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3347                 /* on the R300, Tcas is included in Trbs.
3348                  */
3349                 temp = RREG32(RADEON_MEM_CNTL);
3350                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3351                 if (data == 1) {
3352                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
3353                                 temp = RREG32(R300_MC_IND_INDEX);
3354                                 temp &= ~R300_MC_IND_ADDR_MASK;
3355                                 temp |= R300_MC_READ_CNTL_CD_mcind;
3356                                 WREG32(R300_MC_IND_INDEX, temp);
3357                                 temp = RREG32(R300_MC_IND_DATA);
3358                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3359                         } else {
3360                                 temp = RREG32(R300_MC_READ_CNTL_AB);
3361                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3362                         }
3363                 } else {
3364                         temp = RREG32(R300_MC_READ_CNTL_AB);
3365                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3366                 }
3367                 if (rdev->family == CHIP_RV410 ||
3368                     rdev->family == CHIP_R420 ||
3369                     rdev->family == CHIP_R423)
3370                         trbs_ff = memtrbs_r4xx[data];
3371                 else
3372                         trbs_ff = memtrbs[data];
3373                 tcas_ff.full += trbs_ff.full;
3374         }
3375
3376         sclk_eff_ff.full = sclk_ff.full;
3377
3378         if (rdev->flags & RADEON_IS_AGP) {
3379                 fixed20_12 agpmode_ff;
3380                 agpmode_ff.full = dfixed_const(radeon_agpmode);
3381                 temp_ff.full = dfixed_const_666(16);
3382                 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3383         }
3384         /* TODO PCIE lanes may affect this - agpmode == 16?? */
3385
3386         if (ASIC_IS_R300(rdev)) {
3387                 sclk_delay_ff.full = dfixed_const(250);
3388         } else {
3389                 if ((rdev->family == CHIP_RV100) ||
3390                     rdev->flags & RADEON_IS_IGP) {
3391                         if (rdev->mc.vram_is_ddr)
3392                                 sclk_delay_ff.full = dfixed_const(41);
3393                         else
3394                                 sclk_delay_ff.full = dfixed_const(33);
3395                 } else {
3396                         if (rdev->mc.vram_width == 128)
3397                                 sclk_delay_ff.full = dfixed_const(57);
3398                         else
3399                                 sclk_delay_ff.full = dfixed_const(41);
3400                 }
3401         }
3402
3403         mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3404
3405         if (rdev->mc.vram_is_ddr) {
3406                 if (rdev->mc.vram_width == 32) {
3407                         k1.full = dfixed_const(40);
3408                         c  = 3;
3409                 } else {
3410                         k1.full = dfixed_const(20);
3411                         c  = 1;
3412                 }
3413         } else {
3414                 k1.full = dfixed_const(40);
3415                 c  = 3;
3416         }
3417
3418         temp_ff.full = dfixed_const(2);
3419         mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3420         temp_ff.full = dfixed_const(c);
3421         mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3422         temp_ff.full = dfixed_const(4);
3423         mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3424         mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3425         mc_latency_mclk.full += k1.full;
3426
3427         mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3428         mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3429
3430         /*
3431           HW cursor time assuming worst case of full size colour cursor.
3432         */
3433         temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3434         temp_ff.full += trcd_ff.full;
3435         if (temp_ff.full < tras_ff.full)
3436                 temp_ff.full = tras_ff.full;
3437         cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3438
3439         temp_ff.full = dfixed_const(cur_size);
3440         cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3441         /*
3442           Find the total latency for the display data.
3443         */
3444         disp_latency_overhead.full = dfixed_const(8);
3445         disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3446         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3447         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3448
3449         if (mc_latency_mclk.full > mc_latency_sclk.full)
3450                 disp_latency.full = mc_latency_mclk.full;
3451         else
3452                 disp_latency.full = mc_latency_sclk.full;
3453
3454         /* setup Max GRPH_STOP_REQ default value */
3455         if (ASIC_IS_RV100(rdev))
3456                 max_stop_req = 0x5c;
3457         else
3458                 max_stop_req = 0x7c;
3459
3460         if (mode1) {
3461                 /*  CRTC1
3462                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3463                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3464                 */
3465                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3466
3467                 if (stop_req > max_stop_req)
3468                         stop_req = max_stop_req;
3469
3470                 /*
3471                   Find the drain rate of the display buffer.
3472                 */
3473                 temp_ff.full = dfixed_const((16/pixel_bytes1));
3474                 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3475
3476                 /*
3477                   Find the critical point of the display buffer.
3478                 */
3479                 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3480                 crit_point_ff.full += dfixed_const_half(0);
3481
3482                 critical_point = dfixed_trunc(crit_point_ff);
3483
3484                 if (rdev->disp_priority == 2) {
3485                         critical_point = 0;
3486                 }
3487
3488                 /*
3489                   The critical point should never be above max_stop_req-4.  Setting
3490                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3491                 */
3492                 if (max_stop_req - critical_point < 4)
3493                         critical_point = 0;
3494
3495                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3496                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3497                         critical_point = 0x10;
3498                 }
3499
3500                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3501                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3502                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3503                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3504                 if ((rdev->family == CHIP_R350) &&
3505                     (stop_req > 0x15)) {
3506                         stop_req -= 0x10;
3507                 }
3508                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3509                 temp |= RADEON_GRPH_BUFFER_SIZE;
3510                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3511                           RADEON_GRPH_CRITICAL_AT_SOF |
3512                           RADEON_GRPH_STOP_CNTL);
3513                 /*
3514                   Write the result into the register.
3515                 */
3516                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3517                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3518
3519 #if 0
3520                 if ((rdev->family == CHIP_RS400) ||
3521                     (rdev->family == CHIP_RS480)) {
3522                         /* attempt to program RS400 disp regs correctly ??? */
3523                         temp = RREG32(RS400_DISP1_REG_CNTL);
3524                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3525                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
3526                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3527                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3528                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3529                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
3530                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3531                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3532                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3533                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3534                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3535                 }
3536 #endif
3537
3538                 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3539                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
3540                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3541         }
3542
3543         if (mode2) {
3544                 u32 grph2_cntl;
3545                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3546
3547                 if (stop_req > max_stop_req)
3548                         stop_req = max_stop_req;
3549
3550                 /*
3551                   Find the drain rate of the display buffer.
3552                 */
3553                 temp_ff.full = dfixed_const((16/pixel_bytes2));
3554                 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3555
3556                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3557                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3558                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3559                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3560                 if ((rdev->family == CHIP_R350) &&
3561                     (stop_req > 0x15)) {
3562                         stop_req -= 0x10;
3563                 }
3564                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3565                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3566                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3567                           RADEON_GRPH_CRITICAL_AT_SOF |
3568                           RADEON_GRPH_STOP_CNTL);
3569
3570                 if ((rdev->family == CHIP_RS100) ||
3571                     (rdev->family == CHIP_RS200))
3572                         critical_point2 = 0;
3573                 else {
3574                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3575                         temp_ff.full = dfixed_const(temp);
3576                         temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3577                         if (sclk_ff.full < temp_ff.full)
3578                                 temp_ff.full = sclk_ff.full;
3579
3580                         read_return_rate.full = temp_ff.full;
3581
3582                         if (mode1) {
3583                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3584                                 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3585                         } else {
3586                                 time_disp1_drop_priority.full = 0;
3587                         }
3588                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3589                         crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3590                         crit_point_ff.full += dfixed_const_half(0);
3591
3592                         critical_point2 = dfixed_trunc(crit_point_ff);
3593
3594                         if (rdev->disp_priority == 2) {
3595                                 critical_point2 = 0;
3596                         }
3597
3598                         if (max_stop_req - critical_point2 < 4)
3599                                 critical_point2 = 0;
3600
3601                 }
3602
3603                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3604                         /* some R300 cards have problem with this set to 0 */
3605                         critical_point2 = 0x10;
3606                 }
3607
3608                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3609                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3610
3611                 if ((rdev->family == CHIP_RS400) ||
3612                     (rdev->family == CHIP_RS480)) {
3613 #if 0
3614                         /* attempt to program RS400 disp2 regs correctly ??? */
3615                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
3616                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3617                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
3618                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3619                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3620                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3621                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
3622                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3623                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3624                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3625                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3626                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3627 #endif
3628                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3629                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3630                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
3631                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3632                 }
3633
3634                 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3635                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3636         }
3637
3638         /* Save number of lines the linebuffer leads before the scanout */
3639         if (mode1)
3640             rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
3641
3642         if (mode2)
3643             rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
3644 }
3645
3646 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3647 {
3648         uint32_t scratch;
3649         uint32_t tmp = 0;
3650         unsigned i;
3651         int r;
3652
3653         r = radeon_scratch_get(rdev, &scratch);
3654         if (r) {
3655                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3656                 return r;
3657         }
3658         WREG32(scratch, 0xCAFEDEAD);
3659         r = radeon_ring_lock(rdev, ring, 2);
3660         if (r) {
3661                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3662                 radeon_scratch_free(rdev, scratch);
3663                 return r;
3664         }
3665         radeon_ring_write(ring, PACKET0(scratch, 0));
3666         radeon_ring_write(ring, 0xDEADBEEF);
3667         radeon_ring_unlock_commit(rdev, ring, false);
3668         for (i = 0; i < rdev->usec_timeout; i++) {
3669                 tmp = RREG32(scratch);
3670                 if (tmp == 0xDEADBEEF) {
3671                         break;
3672                 }
3673                 DRM_UDELAY(1);
3674         }
3675         if (i < rdev->usec_timeout) {
3676                 DRM_INFO("ring test succeeded in %d usecs\n", i);
3677         } else {
3678                 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3679                           scratch, tmp);
3680                 r = -EINVAL;
3681         }
3682         radeon_scratch_free(rdev, scratch);
3683         return r;
3684 }
3685
3686 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3687 {
3688         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3689
3690         if (ring->rptr_save_reg) {
3691                 u32 next_rptr = ring->wptr + 2 + 3;
3692                 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3693                 radeon_ring_write(ring, next_rptr);
3694         }
3695
3696         radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3697         radeon_ring_write(ring, ib->gpu_addr);
3698         radeon_ring_write(ring, ib->length_dw);
3699 }
3700
3701 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3702 {
3703         struct radeon_ib ib;
3704         uint32_t scratch;
3705         uint32_t tmp = 0;
3706         unsigned i;
3707         int r;
3708
3709         r = radeon_scratch_get(rdev, &scratch);
3710         if (r) {
3711                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3712                 return r;
3713         }
3714         WREG32(scratch, 0xCAFEDEAD);
3715         r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3716         if (r) {
3717                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3718                 goto free_scratch;
3719         }
3720         ib.ptr[0] = PACKET0(scratch, 0);
3721         ib.ptr[1] = 0xDEADBEEF;
3722         ib.ptr[2] = PACKET2(0);
3723         ib.ptr[3] = PACKET2(0);
3724         ib.ptr[4] = PACKET2(0);
3725         ib.ptr[5] = PACKET2(0);
3726         ib.ptr[6] = PACKET2(0);
3727         ib.ptr[7] = PACKET2(0);
3728         ib.length_dw = 8;
3729         r = radeon_ib_schedule(rdev, &ib, NULL, false);
3730         if (r) {
3731                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3732                 goto free_ib;
3733         }
3734         r = radeon_fence_wait(ib.fence, false);
3735         if (r) {
3736                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3737                 goto free_ib;
3738         }
3739         for (i = 0; i < rdev->usec_timeout; i++) {
3740                 tmp = RREG32(scratch);
3741                 if (tmp == 0xDEADBEEF) {
3742                         break;
3743                 }
3744                 DRM_UDELAY(1);
3745         }
3746         if (i < rdev->usec_timeout) {
3747                 DRM_INFO("ib test succeeded in %u usecs\n", i);
3748         } else {
3749                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3750                           scratch, tmp);
3751                 r = -EINVAL;
3752         }
3753 free_ib:
3754         radeon_ib_free(rdev, &ib);
3755 free_scratch:
3756         radeon_scratch_free(rdev, scratch);
3757         return r;
3758 }
3759
3760 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3761 {
3762         /* Shutdown CP we shouldn't need to do that but better be safe than
3763          * sorry
3764          */
3765         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3766         WREG32(R_000740_CP_CSQ_CNTL, 0);
3767
3768         /* Save few CRTC registers */
3769         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3770         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3771         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3772         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3773         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3774                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3775                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3776         }
3777
3778         /* Disable VGA aperture access */
3779         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3780         /* Disable cursor, overlay, crtc */
3781         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3782         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3783                                         S_000054_CRTC_DISPLAY_DIS(1));
3784         WREG32(R_000050_CRTC_GEN_CNTL,
3785                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3786                         S_000050_CRTC_DISP_REQ_EN_B(1));
3787         WREG32(R_000420_OV0_SCALE_CNTL,
3788                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3789         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3790         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3791                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3792                                                 S_000360_CUR2_LOCK(1));
3793                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3794                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3795                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3796                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3797                 WREG32(R_000360_CUR2_OFFSET,
3798                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3799         }
3800 }
3801
3802 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3803 {
3804         /* Update base address for crtc */
3805         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3806         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3807                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3808         }
3809         /* Restore CRTC registers */
3810         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3811         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3812         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3813         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3814                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3815         }
3816 }
3817
3818 void r100_vga_render_disable(struct radeon_device *rdev)
3819 {
3820         u32 tmp;
3821
3822         tmp = RREG8(R_0003C2_GENMO_WT);
3823         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3824 }
3825
3826 static void r100_debugfs(struct radeon_device *rdev)
3827 {
3828         int r;
3829
3830         r = r100_debugfs_mc_info_init(rdev);
3831         if (r)
3832                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3833 }
3834
3835 static void r100_mc_program(struct radeon_device *rdev)
3836 {
3837         struct r100_mc_save save;
3838
3839         /* Stops all mc clients */
3840         r100_mc_stop(rdev, &save);
3841         if (rdev->flags & RADEON_IS_AGP) {
3842                 WREG32(R_00014C_MC_AGP_LOCATION,
3843                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3844                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3845                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3846                 if (rdev->family > CHIP_RV200)
3847                         WREG32(R_00015C_AGP_BASE_2,
3848                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3849         } else {
3850                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3851                 WREG32(R_000170_AGP_BASE, 0);
3852                 if (rdev->family > CHIP_RV200)
3853                         WREG32(R_00015C_AGP_BASE_2, 0);
3854         }
3855         /* Wait for mc idle */
3856         if (r100_mc_wait_for_idle(rdev))
3857                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3858         /* Program MC, should be a 32bits limited address space */
3859         WREG32(R_000148_MC_FB_LOCATION,
3860                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3861                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3862         r100_mc_resume(rdev, &save);
3863 }
3864
3865 static void r100_clock_startup(struct radeon_device *rdev)
3866 {
3867         u32 tmp;
3868
3869         if (radeon_dynclks != -1 && radeon_dynclks)
3870                 radeon_legacy_set_clock_gating(rdev, 1);
3871         /* We need to force on some of the block */
3872         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3873         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3874         if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3875                 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3876         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3877 }
3878
3879 static int r100_startup(struct radeon_device *rdev)
3880 {
3881         int r;
3882
3883         /* set common regs */
3884         r100_set_common_regs(rdev);
3885         /* program mc */
3886         r100_mc_program(rdev);
3887         /* Resume clock */
3888         r100_clock_startup(rdev);
3889         /* Initialize GART (initialize after TTM so we can allocate
3890          * memory through TTM but finalize after TTM) */
3891         r100_enable_bm(rdev);
3892         if (rdev->flags & RADEON_IS_PCI) {
3893                 r = r100_pci_gart_enable(rdev);
3894                 if (r)
3895                         return r;
3896         }
3897
3898         /* allocate wb buffer */
3899         r = radeon_wb_init(rdev);
3900         if (r)
3901                 return r;
3902
3903         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3904         if (r) {
3905                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3906                 return r;
3907         }
3908
3909         /* Enable IRQ */
3910         if (!rdev->irq.installed) {
3911                 r = radeon_irq_kms_init(rdev);
3912                 if (r)
3913                         return r;
3914         }
3915
3916         r100_irq_set(rdev);
3917         rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3918         /* 1M ring buffer */
3919         r = r100_cp_init(rdev, 1024 * 1024);
3920         if (r) {
3921                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3922                 return r;
3923         }
3924
3925         r = radeon_ib_pool_init(rdev);
3926         if (r) {
3927                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3928                 return r;
3929         }
3930
3931         return 0;
3932 }
3933
3934 int r100_resume(struct radeon_device *rdev)
3935 {
3936         int r;
3937
3938         /* Make sur GART are not working */
3939         if (rdev->flags & RADEON_IS_PCI)
3940                 r100_pci_gart_disable(rdev);
3941         /* Resume clock before doing reset */
3942         r100_clock_startup(rdev);
3943         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3944         if (radeon_asic_reset(rdev)) {
3945                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3946                         RREG32(R_000E40_RBBM_STATUS),
3947                         RREG32(R_0007C0_CP_STAT));
3948         }
3949         /* post */
3950         radeon_combios_asic_init(rdev->ddev);
3951         /* Resume clock after posting */
3952         r100_clock_startup(rdev);
3953         /* Initialize surface registers */
3954         radeon_surface_init(rdev);
3955
3956         rdev->accel_working = true;
3957         r = r100_startup(rdev);
3958         if (r) {
3959                 rdev->accel_working = false;
3960         }
3961         return r;
3962 }
3963
3964 int r100_suspend(struct radeon_device *rdev)
3965 {
3966         radeon_pm_suspend(rdev);
3967         r100_cp_disable(rdev);
3968         radeon_wb_disable(rdev);
3969         r100_irq_disable(rdev);
3970         if (rdev->flags & RADEON_IS_PCI)
3971                 r100_pci_gart_disable(rdev);
3972         return 0;
3973 }
3974
3975 void r100_fini(struct radeon_device *rdev)
3976 {
3977         radeon_pm_fini(rdev);
3978         r100_cp_fini(rdev);
3979         radeon_wb_fini(rdev);
3980         radeon_ib_pool_fini(rdev);
3981         radeon_gem_fini(rdev);
3982         if (rdev->flags & RADEON_IS_PCI)
3983                 r100_pci_gart_fini(rdev);
3984         radeon_agp_fini(rdev);
3985         radeon_irq_kms_fini(rdev);
3986         radeon_fence_driver_fini(rdev);
3987         radeon_bo_fini(rdev);
3988         radeon_atombios_fini(rdev);
3989         kfree(rdev->bios);
3990         rdev->bios = NULL;
3991 }
3992
3993 /*
3994  * Due to how kexec works, it can leave the hw fully initialised when it
3995  * boots the new kernel. However doing our init sequence with the CP and
3996  * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
3997  * do some quick sanity checks and restore sane values to avoid this
3998  * problem.
3999  */
4000 void r100_restore_sanity(struct radeon_device *rdev)
4001 {
4002         u32 tmp;
4003
4004         tmp = RREG32(RADEON_CP_CSQ_CNTL);
4005         if (tmp) {
4006                 WREG32(RADEON_CP_CSQ_CNTL, 0);
4007         }
4008         tmp = RREG32(RADEON_CP_RB_CNTL);
4009         if (tmp) {
4010                 WREG32(RADEON_CP_RB_CNTL, 0);
4011         }
4012         tmp = RREG32(RADEON_SCRATCH_UMSK);
4013         if (tmp) {
4014                 WREG32(RADEON_SCRATCH_UMSK, 0);
4015         }
4016 }
4017
4018 int r100_init(struct radeon_device *rdev)
4019 {
4020         int r;
4021
4022         /* Register debugfs file specific to this group of asics */
4023         r100_debugfs(rdev);
4024         /* Disable VGA */
4025         r100_vga_render_disable(rdev);
4026         /* Initialize scratch registers */
4027         radeon_scratch_init(rdev);
4028         /* Initialize surface registers */
4029         radeon_surface_init(rdev);
4030         /* sanity check some register to avoid hangs like after kexec */
4031         r100_restore_sanity(rdev);
4032         /* TODO: disable VGA need to use VGA request */
4033         /* BIOS*/
4034         if (!radeon_get_bios(rdev)) {
4035                 if (ASIC_IS_AVIVO(rdev))
4036                         return -EINVAL;
4037         }
4038         if (rdev->is_atom_bios) {
4039                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4040                 return -EINVAL;
4041         } else {
4042                 r = radeon_combios_init(rdev);
4043                 if (r)
4044                         return r;
4045         }
4046         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4047         if (radeon_asic_reset(rdev)) {
4048                 dev_warn(rdev->dev,
4049                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4050                         RREG32(R_000E40_RBBM_STATUS),
4051                         RREG32(R_0007C0_CP_STAT));
4052         }
4053         /* check if cards are posted or not */
4054         if (radeon_boot_test_post_card(rdev) == false)
4055                 return -EINVAL;
4056         /* Set asic errata */
4057         r100_errata(rdev);
4058         /* Initialize clocks */
4059         radeon_get_clock_info(rdev->ddev);
4060         /* initialize AGP */
4061         if (rdev->flags & RADEON_IS_AGP) {
4062                 r = radeon_agp_init(rdev);
4063                 if (r) {
4064                         radeon_agp_disable(rdev);
4065                 }
4066         }
4067         /* initialize VRAM */
4068         r100_mc_init(rdev);
4069         /* Fence driver */
4070         r = radeon_fence_driver_init(rdev);
4071         if (r)
4072                 return r;
4073         /* Memory manager */
4074         r = radeon_bo_init(rdev);
4075         if (r)
4076                 return r;
4077         if (rdev->flags & RADEON_IS_PCI) {
4078                 r = r100_pci_gart_init(rdev);
4079                 if (r)
4080                         return r;
4081         }
4082         r100_set_safe_registers(rdev);
4083
4084         /* Initialize power management */
4085         radeon_pm_init(rdev);
4086
4087         rdev->accel_working = true;
4088         r = r100_startup(rdev);
4089         if (r) {
4090                 /* Somethings want wront with the accel init stop accel */
4091                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4092                 r100_cp_fini(rdev);
4093                 radeon_wb_fini(rdev);
4094                 radeon_ib_pool_fini(rdev);
4095                 radeon_irq_kms_fini(rdev);
4096                 if (rdev->flags & RADEON_IS_PCI)
4097                         r100_pci_gart_fini(rdev);
4098                 rdev->accel_working = false;
4099         }
4100         return 0;
4101 }
4102
4103 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg)
4104 {
4105         unsigned long flags;
4106         uint32_t ret;
4107
4108         spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4109         writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4110         ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4111         spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4112         return ret;
4113 }
4114
4115 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4116 {
4117         unsigned long flags;
4118
4119         spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4120         writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4121         writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4122         spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4123 }
4124
4125 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4126 {
4127         if (reg < rdev->rio_mem_size)
4128                 return ioread32(rdev->rio_mem + reg);
4129         else {
4130                 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4131                 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4132         }
4133 }
4134
4135 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4136 {
4137         if (reg < rdev->rio_mem_size)
4138                 iowrite32(v, rdev->rio_mem + reg);
4139         else {
4140                 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4141                 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4142         }
4143 }