drivers/gpu/drm/radeon/r100.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
r100_is_in_vblank
r100_is_counter_moving
r100_wait_for_vblank
r100_page_flip
r100_page_flip_pending
r100_pm_get_dynpm_state
r100_pm_init_profile
r100_pm_misc
r100_pm_prepare
r100_pm_finish
r100_gui_idle
r100_hpd_sense
r100_hpd_set_polarity
r100_hpd_init
r100_hpd_fini
r100_pci_gart_tlb_flush
r100_pci_gart_init
r100_pci_gart_enable
r100_pci_gart_disable
r100_pci_gart_get_page_entry
r100_pci_gart_set_page
r100_pci_gart_fini
r100_irq_set
r100_irq_disable
r100_irq_ack
r100_irq_process
r100_get_vblank_counter
r100_ring_hdp_flush
r100_fence_ring_emit
r100_semaphore_ring_emit
r100_copy_blit
r100_cp_wait_for_idle
r100_ring_start
r100_cp_init_microcode
r100_gfx_get_rptr
r100_gfx_get_wptr
r100_gfx_set_wptr
r100_cp_load_microcode
r100_cp_init
r100_cp_fini
r100_cp_disable
r100_reloc_pitch_offset
r100_packet3_load_vbpntr
r100_cs_parse_packet0
r100_cs_packet_parse_vline
r100_get_vtx_size
r100_packet0_check
r100_cs_track_check_pkt3_indx_buffer
r100_packet3_check
r100_cs_parse
r100_cs_track_texture_print
r100_track_compress_size
r100_cs_track_cube
r100_cs_track_texture_check
r100_cs_track_check
r100_cs_track_clear
r100_errata
r100_rbbm_fifo_wait_for_entry
r100_gui_wait_for_idle
r100_mc_wait_for_idle
r100_gpu_is_lockup
r100_enable_bm
r100_bm_disable
r100_asic_reset
r100_set_common_regs
r100_vram_get_type
r100_get_accessible_vram
r100_vram_init_sizes
r100_vga_set_state
r100_mc_init
r100_pll_errata_after_index
r100_pll_errata_after_data
r100_pll_rreg
r100_pll_wreg
r100_set_safe_registers
r100_debugfs_rbbm_info
r100_debugfs_cp_ring_info
r100_debugfs_cp_csq_fifo
r100_debugfs_mc_info
r100_debugfs_rbbm_init
r100_debugfs_cp_init
r100_debugfs_mc_info_init
r100_set_surface_reg
r100_clear_surface_reg
r100_bandwidth_update
r100_ring_test
r100_ring_ib_execute
r100_ib_test
r100_mc_stop
r100_mc_resume
r100_vga_render_disable
r100_debugfs
r100_mc_program
r100_clock_startup
r100_startup
r100_resume
r100_suspend
r100_fini
r100_restore_sanity
r100_init
r100_mm_rreg_slow
r100_mm_wreg_slow
r100_io_rreg
r100_io_wreg
   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 
  29 #include <linux/seq_file.h>
  30 #include <linux/slab.h>
  31 #include <linux/firmware.h>
  32 #include <linux/module.h>
  33 
  34 #include <drm/drm_debugfs.h>
  35 #include <drm/drm_device.h>
  36 #include <drm/drm_file.h>
  37 #include <drm/drm_fourcc.h>
  38 #include <drm/drm_pci.h>
  39 #include <drm/drm_vblank.h>
  40 #include <drm/radeon_drm.h>
  41 
  42 #include "atom.h"
  43 #include "r100_reg_safe.h"
  44 #include "r100d.h"
  45 #include "radeon.h"
  46 #include "radeon_asic.h"
  47 #include "radeon_reg.h"
  48 #include "rn50_reg_safe.h"
  49 #include "rs100d.h"
  50 #include "rv200d.h"
  51 #include "rv250d.h"
  52 
  53 /* Firmware Names */
  54 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  55 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  56 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  57 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  58 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  59 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  60 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  61 
  62 MODULE_FIRMWARE(FIRMWARE_R100);
  63 MODULE_FIRMWARE(FIRMWARE_R200);
  64 MODULE_FIRMWARE(FIRMWARE_R300);
  65 MODULE_FIRMWARE(FIRMWARE_R420);
  66 MODULE_FIRMWARE(FIRMWARE_RS690);
  67 MODULE_FIRMWARE(FIRMWARE_RS600);
  68 MODULE_FIRMWARE(FIRMWARE_R520);
  69 
  70 #include "r100_track.h"
  71 
  72 /* This files gather functions specifics to:
  73  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  74  * and others in some cases.
  75  */
  76 
  77 static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc)
  78 {
  79         if (crtc == 0) {
  80                 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR)
  81                         return true;
  82                 else
  83                         return false;
  84         } else {
  85                 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR)
  86                         return true;
  87                 else
  88                         return false;
  89         }
  90 }
  91 
  92 static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc)
  93 {
  94         u32 vline1, vline2;
  95 
  96         if (crtc == 0) {
  97                 vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  98                 vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
  99         } else {
 100                 vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
 101                 vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
 102         }
 103         if (vline1 != vline2)
 104                 return true;
 105         else
 106                 return false;
 107 }
 108 
 109 /**
 110  * r100_wait_for_vblank - vblank wait asic callback.
 111  *
 112  * @rdev: radeon_device pointer
 113  * @crtc: crtc to wait for vblank on
 114  *
 115  * Wait for vblank on the requested crtc (r1xx-r4xx).
 116  */
 117 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc)
 118 {
 119         unsigned i = 0;
 120 
 121         if (crtc >= rdev->num_crtc)
 122                 return;
 123 
 124         if (crtc == 0) {
 125                 if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
 126                         return;
 127         } else {
 128                 if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN))
 129                         return;
 130         }
 131 
 132         /* depending on when we hit vblank, we may be close to active; if so,
 133          * wait for another frame.
 134          */
 135         while (r100_is_in_vblank(rdev, crtc)) {
 136                 if (i++ % 100 == 0) {
 137                         if (!r100_is_counter_moving(rdev, crtc))
 138                                 break;
 139                 }
 140         }
 141 
 142         while (!r100_is_in_vblank(rdev, crtc)) {
 143                 if (i++ % 100 == 0) {
 144                         if (!r100_is_counter_moving(rdev, crtc))
 145                                 break;
 146                 }
 147         }
 148 }
 149 
 150 /**
 151  * r100_page_flip - pageflip callback.
 152  *
 153  * @rdev: radeon_device pointer
 154  * @crtc_id: crtc to cleanup pageflip on
 155  * @crtc_base: new address of the crtc (GPU MC address)
 156  *
 157  * Does the actual pageflip (r1xx-r4xx).
 158  * During vblank we take the crtc lock and wait for the update_pending
 159  * bit to go high, when it does, we release the lock, and allow the
 160  * double buffered update to take place.
 161  */
 162 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async)
 163 {
 164         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 165         u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK;
 166         int i;
 167 
 168         /* Lock the graphics update lock */
 169         /* update the scanout addresses */
 170         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 171 
 172         /* Wait for update_pending to go high. */
 173         for (i = 0; i < rdev->usec_timeout; i++) {
 174                 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)
 175                         break;
 176                 udelay(1);
 177         }
 178         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 179 
 180         /* Unlock the lock, so double-buffering can take place inside vblank */
 181         tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK;
 182         WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp);
 183 
 184 }
 185 
 186 /**
 187  * r100_page_flip_pending - check if page flip is still pending
 188  *
 189  * @rdev: radeon_device pointer
 190  * @crtc_id: crtc to check
 191  *
 192  * Check if the last pagefilp is still pending (r1xx-r4xx).
 193  * Returns the current update pending status.
 194  */
 195 bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id)
 196 {
 197         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 198 
 199         /* Return current update_pending status: */
 200         return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) &
 201                 RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET);
 202 }
 203 
 204 /**
 205  * r100_pm_get_dynpm_state - look up dynpm power state callback.
 206  *
 207  * @rdev: radeon_device pointer
 208  *
 209  * Look up the optimal power state based on the
 210  * current state of the GPU (r1xx-r5xx).
 211  * Used for dynpm only.
 212  */
 213 void r100_pm_get_dynpm_state(struct radeon_device *rdev)
 214 {
 215         int i;
 216         rdev->pm.dynpm_can_upclock = true;
 217         rdev->pm.dynpm_can_downclock = true;
 218 
 219         switch (rdev->pm.dynpm_planned_action) {
 220         case DYNPM_ACTION_MINIMUM:
 221                 rdev->pm.requested_power_state_index = 0;
 222                 rdev->pm.dynpm_can_downclock = false;
 223                 break;
 224         case DYNPM_ACTION_DOWNCLOCK:
 225                 if (rdev->pm.current_power_state_index == 0) {
 226                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 227                         rdev->pm.dynpm_can_downclock = false;
 228                 } else {
 229                         if (rdev->pm.active_crtc_count > 1) {
 230                                 for (i = 0; i < rdev->pm.num_power_states; i++) {
 231                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 232                                                 continue;
 233                                         else if (i >= rdev->pm.current_power_state_index) {
 234                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 235                                                 break;
 236                                         } else {
 237                                                 rdev->pm.requested_power_state_index = i;
 238                                                 break;
 239                                         }
 240                                 }
 241                         } else
 242                                 rdev->pm.requested_power_state_index =
 243                                         rdev->pm.current_power_state_index - 1;
 244                 }
 245                 /* don't use the power state if crtcs are active and no display flag is set */
 246                 if ((rdev->pm.active_crtc_count > 0) &&
 247                     (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
 248                      RADEON_PM_MODE_NO_DISPLAY)) {
 249                         rdev->pm.requested_power_state_index++;
 250                 }
 251                 break;
 252         case DYNPM_ACTION_UPCLOCK:
 253                 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
 254                         rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 255                         rdev->pm.dynpm_can_upclock = false;
 256                 } else {
 257                         if (rdev->pm.active_crtc_count > 1) {
 258                                 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
 259                                         if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
 260                                                 continue;
 261                                         else if (i <= rdev->pm.current_power_state_index) {
 262                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
 263                                                 break;
 264                                         } else {
 265                                                 rdev->pm.requested_power_state_index = i;
 266                                                 break;
 267                                         }
 268                                 }
 269                         } else
 270                                 rdev->pm.requested_power_state_index =
 271                                         rdev->pm.current_power_state_index + 1;
 272                 }
 273                 break;
 274         case DYNPM_ACTION_DEFAULT:
 275                 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
 276                 rdev->pm.dynpm_can_upclock = false;
 277                 break;
 278         case DYNPM_ACTION_NONE:
 279         default:
 280                 DRM_ERROR("Requested mode for not defined action\n");
 281                 return;
 282         }
 283         /* only one clock mode per power state */
 284         rdev->pm.requested_clock_mode_index = 0;
 285 
 286         DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
 287                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 288                   clock_info[rdev->pm.requested_clock_mode_index].sclk,
 289                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 290                   clock_info[rdev->pm.requested_clock_mode_index].mclk,
 291                   rdev->pm.power_state[rdev->pm.requested_power_state_index].
 292                   pcie_lanes);
 293 }
 294 
 295 /**
 296  * r100_pm_init_profile - Initialize power profiles callback.
 297  *
 298  * @rdev: radeon_device pointer
 299  *
 300  * Initialize the power states used in profile mode
 301  * (r1xx-r3xx).
 302  * Used for profile mode only.
 303  */
 304 void r100_pm_init_profile(struct radeon_device *rdev)
 305 {
 306         /* default */
 307         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
 308         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 309         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
 310         rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
 311         /* low sh */
 312         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
 313         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
 314         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
 315         rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
 316         /* mid sh */
 317         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
 318         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
 319         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
 320         rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
 321         /* high sh */
 322         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
 323         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 324         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
 325         rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
 326         /* low mh */
 327         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
 328         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 329         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
 330         rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
 331         /* mid mh */
 332         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
 333         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 334         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
 335         rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
 336         /* high mh */
 337         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
 338         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
 339         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
 340         rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
 341 }
 342 
 343 /**
 344  * r100_pm_misc - set additional pm hw parameters callback.
 345  *
 346  * @rdev: radeon_device pointer
 347  *
 348  * Set non-clock parameters associated with a power state
 349  * (voltage, pcie lanes, etc.) (r1xx-r4xx).
 350  */
 351 void r100_pm_misc(struct radeon_device *rdev)
 352 {
 353         int requested_index = rdev->pm.requested_power_state_index;
 354         struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
 355         struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
 356         u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl;
 357 
 358         if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) {
 359                 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
 360                         tmp = RREG32(voltage->gpio.reg);
 361                         if (voltage->active_high)
 362                                 tmp |= voltage->gpio.mask;
 363                         else
 364                                 tmp &= ~(voltage->gpio.mask);
 365                         WREG32(voltage->gpio.reg, tmp);
 366                         if (voltage->delay)
 367                                 udelay(voltage->delay);
 368                 } else {
 369                         tmp = RREG32(voltage->gpio.reg);
 370                         if (voltage->active_high)
 371                                 tmp &= ~voltage->gpio.mask;
 372                         else
 373                                 tmp |= voltage->gpio.mask;
 374                         WREG32(voltage->gpio.reg, tmp);
 375                         if (voltage->delay)
 376                                 udelay(voltage->delay);
 377                 }
 378         }
 379 
 380         sclk_cntl = RREG32_PLL(SCLK_CNTL);
 381         sclk_cntl2 = RREG32_PLL(SCLK_CNTL2);
 382         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3);
 383         sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL);
 384         sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3);
 385         if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) {
 386                 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN;
 387                 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE)
 388                         sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE;
 389                 else
 390                         sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE;
 391                 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2)
 392                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0);
 393                 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4)
 394                         sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2);
 395         } else
 396                 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN;
 397 
 398         if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) {
 399                 sclk_more_cntl |= IO_CG_VOLTAGE_DROP;
 400                 if (voltage->delay) {
 401                         sclk_more_cntl |= VOLTAGE_DROP_SYNC;
 402                         switch (voltage->delay) {
 403                         case 33:
 404                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0);
 405                                 break;
 406                         case 66:
 407                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1);
 408                                 break;
 409                         case 99:
 410                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2);
 411                                 break;
 412                         case 132:
 413                                 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3);
 414                                 break;
 415                         }
 416                 } else
 417                         sclk_more_cntl &= ~VOLTAGE_DROP_SYNC;
 418         } else
 419                 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP;
 420 
 421         if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN)
 422                 sclk_cntl &= ~FORCE_HDP;
 423         else
 424                 sclk_cntl |= FORCE_HDP;
 425 
 426         WREG32_PLL(SCLK_CNTL, sclk_cntl);
 427         WREG32_PLL(SCLK_CNTL2, sclk_cntl2);
 428         WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl);
 429 
 430         /* set pcie lanes */
 431         if ((rdev->flags & RADEON_IS_PCIE) &&
 432             !(rdev->flags & RADEON_IS_IGP) &&
 433             rdev->asic->pm.set_pcie_lanes &&
 434             (ps->pcie_lanes !=
 435              rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) {
 436                 radeon_set_pcie_lanes(rdev,
 437                                       ps->pcie_lanes);
 438                 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes);
 439         }
 440 }
 441 
 442 /**
 443  * r100_pm_prepare - pre-power state change callback.
 444  *
 445  * @rdev: radeon_device pointer
 446  *
 447  * Prepare for a power state change (r1xx-r4xx).
 448  */
 449 void r100_pm_prepare(struct radeon_device *rdev)
 450 {
 451         struct drm_device *ddev = rdev->ddev;
 452         struct drm_crtc *crtc;
 453         struct radeon_crtc *radeon_crtc;
 454         u32 tmp;
 455 
 456         /* disable any active CRTCs */
 457         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 458                 radeon_crtc = to_radeon_crtc(crtc);
 459                 if (radeon_crtc->enabled) {
 460                         if (radeon_crtc->crtc_id) {
 461                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 462                                 tmp |= RADEON_CRTC2_DISP_REQ_EN_B;
 463                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 464                         } else {
 465                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 466                                 tmp |= RADEON_CRTC_DISP_REQ_EN_B;
 467                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 468                         }
 469                 }
 470         }
 471 }
 472 
 473 /**
 474  * r100_pm_finish - post-power state change callback.
 475  *
 476  * @rdev: radeon_device pointer
 477  *
 478  * Clean up after a power state change (r1xx-r4xx).
 479  */
 480 void r100_pm_finish(struct radeon_device *rdev)
 481 {
 482         struct drm_device *ddev = rdev->ddev;
 483         struct drm_crtc *crtc;
 484         struct radeon_crtc *radeon_crtc;
 485         u32 tmp;
 486 
 487         /* enable any active CRTCs */
 488         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 489                 radeon_crtc = to_radeon_crtc(crtc);
 490                 if (radeon_crtc->enabled) {
 491                         if (radeon_crtc->crtc_id) {
 492                                 tmp = RREG32(RADEON_CRTC2_GEN_CNTL);
 493                                 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B;
 494                                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
 495                         } else {
 496                                 tmp = RREG32(RADEON_CRTC_GEN_CNTL);
 497                                 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B;
 498                                 WREG32(RADEON_CRTC_GEN_CNTL, tmp);
 499                         }
 500                 }
 501         }
 502 }
 503 
 504 /**
 505  * r100_gui_idle - gui idle callback.
 506  *
 507  * @rdev: radeon_device pointer
 508  *
 509  * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx).
 510  * Returns true if idle, false if not.
 511  */
 512 bool r100_gui_idle(struct radeon_device *rdev)
 513 {
 514         if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)
 515                 return false;
 516         else
 517                 return true;
 518 }
 519 
 520 /* hpd for digital panel detect/disconnect */
 521 /**
 522  * r100_hpd_sense - hpd sense callback.
 523  *
 524  * @rdev: radeon_device pointer
 525  * @hpd: hpd (hotplug detect) pin
 526  *
 527  * Checks if a digital monitor is connected (r1xx-r4xx).
 528  * Returns true if connected, false if not connected.
 529  */
 530 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 531 {
 532         bool connected = false;
 533 
 534         switch (hpd) {
 535         case RADEON_HPD_1:
 536                 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
 537                         connected = true;
 538                 break;
 539         case RADEON_HPD_2:
 540                 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
 541                         connected = true;
 542                 break;
 543         default:
 544                 break;
 545         }
 546         return connected;
 547 }
 548 
 549 /**
 550  * r100_hpd_set_polarity - hpd set polarity callback.
 551  *
 552  * @rdev: radeon_device pointer
 553  * @hpd: hpd (hotplug detect) pin
 554  *
 555  * Set the polarity of the hpd pin (r1xx-r4xx).
 556  */
 557 void r100_hpd_set_polarity(struct radeon_device *rdev,
 558                            enum radeon_hpd_id hpd)
 559 {
 560         u32 tmp;
 561         bool connected = r100_hpd_sense(rdev, hpd);
 562 
 563         switch (hpd) {
 564         case RADEON_HPD_1:
 565                 tmp = RREG32(RADEON_FP_GEN_CNTL);
 566                 if (connected)
 567                         tmp &= ~RADEON_FP_DETECT_INT_POL;
 568                 else
 569                         tmp |= RADEON_FP_DETECT_INT_POL;
 570                 WREG32(RADEON_FP_GEN_CNTL, tmp);
 571                 break;
 572         case RADEON_HPD_2:
 573                 tmp = RREG32(RADEON_FP2_GEN_CNTL);
 574                 if (connected)
 575                         tmp &= ~RADEON_FP2_DETECT_INT_POL;
 576                 else
 577                         tmp |= RADEON_FP2_DETECT_INT_POL;
 578                 WREG32(RADEON_FP2_GEN_CNTL, tmp);
 579                 break;
 580         default:
 581                 break;
 582         }
 583 }
 584 
 585 /**
 586  * r100_hpd_init - hpd setup callback.
 587  *
 588  * @rdev: radeon_device pointer
 589  *
 590  * Setup the hpd pins used by the card (r1xx-r4xx).
 591  * Set the polarity, and enable the hpd interrupts.
 592  */
 593 void r100_hpd_init(struct radeon_device *rdev)
 594 {
 595         struct drm_device *dev = rdev->ddev;
 596         struct drm_connector *connector;
 597         unsigned enable = 0;
 598 
 599         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 600                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 601                 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 602                         enable |= 1 << radeon_connector->hpd.hpd;
 603                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 604         }
 605         radeon_irq_kms_enable_hpd(rdev, enable);
 606 }
 607 
 608 /**
 609  * r100_hpd_fini - hpd tear down callback.
 610  *
 611  * @rdev: radeon_device pointer
 612  *
 613  * Tear down the hpd pins used by the card (r1xx-r4xx).
 614  * Disable the hpd interrupts.
 615  */
 616 void r100_hpd_fini(struct radeon_device *rdev)
 617 {
 618         struct drm_device *dev = rdev->ddev;
 619         struct drm_connector *connector;
 620         unsigned disable = 0;
 621 
 622         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 623                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 624                 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
 625                         disable |= 1 << radeon_connector->hpd.hpd;
 626         }
 627         radeon_irq_kms_disable_hpd(rdev, disable);
 628 }
 629 
 630 /*
 631  * PCI GART
 632  */
 633 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 634 {
 635         /* TODO: can we do somethings here ? */
 636         /* It seems hw only cache one entry so we should discard this
 637          * entry otherwise if first GPU GART read hit this entry it
 638          * could end up in wrong address. */
 639 }
 640 
 641 int r100_pci_gart_init(struct radeon_device *rdev)
 642 {
 643         int r;
 644 
 645         if (rdev->gart.ptr) {
 646                 WARN(1, "R100 PCI GART already initialized\n");
 647                 return 0;
 648         }
 649         /* Initialize common gart structure */
 650         r = radeon_gart_init(rdev);
 651         if (r)
 652                 return r;
 653         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 654         rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush;
 655         rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry;
 656         rdev->asic->gart.set_page = &r100_pci_gart_set_page;
 657         return radeon_gart_table_ram_alloc(rdev);
 658 }
 659 
 660 int r100_pci_gart_enable(struct radeon_device *rdev)
 661 {
 662         uint32_t tmp;
 663 
 664         /* discard memory request outside of configured range */
 665         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 666         WREG32(RADEON_AIC_CNTL, tmp);
 667         /* set address range for PCI address translate */
 668         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 669         WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 670         /* set PCI GART page-table base address */
 671         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 672         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 673         WREG32(RADEON_AIC_CNTL, tmp);
 674         r100_pci_gart_tlb_flush(rdev);
 675         DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n",
 676                  (unsigned)(rdev->mc.gtt_size >> 20),
 677                  (unsigned long long)rdev->gart.table_addr);
 678         rdev->gart.ready = true;
 679         return 0;
 680 }
 681 
 682 void r100_pci_gart_disable(struct radeon_device *rdev)
 683 {
 684         uint32_t tmp;
 685 
 686         /* discard memory request outside of configured range */
 687         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 688         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 689         WREG32(RADEON_AIC_LO_ADDR, 0);
 690         WREG32(RADEON_AIC_HI_ADDR, 0);
 691 }
 692 
 693 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags)
 694 {
 695         return addr;
 696 }
 697 
 698 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i,
 699                             uint64_t entry)
 700 {
 701         u32 *gtt = rdev->gart.ptr;
 702         gtt[i] = cpu_to_le32(lower_32_bits(entry));
 703 }
 704 
 705 void r100_pci_gart_fini(struct radeon_device *rdev)
 706 {
 707         radeon_gart_fini(rdev);
 708         r100_pci_gart_disable(rdev);
 709         radeon_gart_table_ram_free(rdev);
 710 }
 711 
 712 int r100_irq_set(struct radeon_device *rdev)
 713 {
 714         uint32_t tmp = 0;
 715 
 716         if (!rdev->irq.installed) {
 717                 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
 718                 WREG32(R_000040_GEN_INT_CNTL, 0);
 719                 return -EINVAL;
 720         }
 721         if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 722                 tmp |= RADEON_SW_INT_ENABLE;
 723         }
 724         if (rdev->irq.crtc_vblank_int[0] ||
 725             atomic_read(&rdev->irq.pflip[0])) {
 726                 tmp |= RADEON_CRTC_VBLANK_MASK;
 727         }
 728         if (rdev->irq.crtc_vblank_int[1] ||
 729             atomic_read(&rdev->irq.pflip[1])) {
 730                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 731         }
 732         if (rdev->irq.hpd[0]) {
 733                 tmp |= RADEON_FP_DETECT_MASK;
 734         }
 735         if (rdev->irq.hpd[1]) {
 736                 tmp |= RADEON_FP2_DETECT_MASK;
 737         }
 738         WREG32(RADEON_GEN_INT_CNTL, tmp);
 739 
 740         /* read back to post the write */
 741         RREG32(RADEON_GEN_INT_CNTL);
 742 
 743         return 0;
 744 }
 745 
 746 void r100_irq_disable(struct radeon_device *rdev)
 747 {
 748         u32 tmp;
 749 
 750         WREG32(R_000040_GEN_INT_CNTL, 0);
 751         /* Wait and acknowledge irq */
 752         mdelay(1);
 753         tmp = RREG32(R_000044_GEN_INT_STATUS);
 754         WREG32(R_000044_GEN_INT_STATUS, tmp);
 755 }
 756 
 757 static uint32_t r100_irq_ack(struct radeon_device *rdev)
 758 {
 759         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 760         uint32_t irq_mask = RADEON_SW_INT_TEST |
 761                 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 762                 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 763 
 764         if (irqs) {
 765                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 766         }
 767         return irqs & irq_mask;
 768 }
 769 
 770 int r100_irq_process(struct radeon_device *rdev)
 771 {
 772         uint32_t status, msi_rearm;
 773         bool queue_hotplug = false;
 774 
 775         status = r100_irq_ack(rdev);
 776         if (!status) {
 777                 return IRQ_NONE;
 778         }
 779         if (rdev->shutdown) {
 780                 return IRQ_NONE;
 781         }
 782         while (status) {
 783                 /* SW interrupt */
 784                 if (status & RADEON_SW_INT_TEST) {
 785                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
 786                 }
 787                 /* Vertical blank interrupts */
 788                 if (status & RADEON_CRTC_VBLANK_STAT) {
 789                         if (rdev->irq.crtc_vblank_int[0]) {
 790                                 drm_handle_vblank(rdev->ddev, 0);
 791                                 rdev->pm.vblank_sync = true;
 792                                 wake_up(&rdev->irq.vblank_queue);
 793                         }
 794                         if (atomic_read(&rdev->irq.pflip[0]))
 795                                 radeon_crtc_handle_vblank(rdev, 0);
 796                 }
 797                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 798                         if (rdev->irq.crtc_vblank_int[1]) {
 799                                 drm_handle_vblank(rdev->ddev, 1);
 800                                 rdev->pm.vblank_sync = true;
 801                                 wake_up(&rdev->irq.vblank_queue);
 802                         }
 803                         if (atomic_read(&rdev->irq.pflip[1]))
 804                                 radeon_crtc_handle_vblank(rdev, 1);
 805                 }
 806                 if (status & RADEON_FP_DETECT_STAT) {
 807                         queue_hotplug = true;
 808                         DRM_DEBUG("HPD1\n");
 809                 }
 810                 if (status & RADEON_FP2_DETECT_STAT) {
 811                         queue_hotplug = true;
 812                         DRM_DEBUG("HPD2\n");
 813                 }
 814                 status = r100_irq_ack(rdev);
 815         }
 816         if (queue_hotplug)
 817                 schedule_delayed_work(&rdev->hotplug_work, 0);
 818         if (rdev->msi_enabled) {
 819                 switch (rdev->family) {
 820                 case CHIP_RS400:
 821                 case CHIP_RS480:
 822                         msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 823                         WREG32(RADEON_AIC_CNTL, msi_rearm);
 824                         WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 825                         break;
 826                 default:
 827                         WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN);
 828                         break;
 829                 }
 830         }
 831         return IRQ_HANDLED;
 832 }
 833 
 834 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 835 {
 836         if (crtc == 0)
 837                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 838         else
 839                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 840 }
 841 
 842 /**
 843  * r100_ring_hdp_flush - flush Host Data Path via the ring buffer
 844  * rdev: radeon device structure
 845  * ring: ring buffer struct for emitting packets
 846  */
 847 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring)
 848 {
 849         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 850         radeon_ring_write(ring, rdev->config.r100.hdp_cntl |
 851                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 852         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 853         radeon_ring_write(ring, rdev->config.r100.hdp_cntl);
 854 }
 855 
 856 /* Who ever call radeon_fence_emit should call ring_lock and ask
 857  * for enough space (today caller are ib schedule and buffer move) */
 858 void r100_fence_ring_emit(struct radeon_device *rdev,
 859                           struct radeon_fence *fence)
 860 {
 861         struct radeon_ring *ring = &rdev->ring[fence->ring];
 862 
 863         /* We have to make sure that caches are flushed before
 864          * CPU might read something from VRAM. */
 865         radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 866         radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL);
 867         radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 868         radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL);
 869         /* Wait until IDLE & CLEAN */
 870         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 871         radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 872         r100_ring_hdp_flush(rdev, ring);
 873         /* Emit fence sequence & fire IRQ */
 874         radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 875         radeon_ring_write(ring, fence->seq);
 876         radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 877         radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 878 }
 879 
 880 bool r100_semaphore_ring_emit(struct radeon_device *rdev,
 881                               struct radeon_ring *ring,
 882                               struct radeon_semaphore *semaphore,
 883                               bool emit_wait)
 884 {
 885         /* Unused on older asics, since we don't have semaphores or multiple rings */
 886         BUG();
 887         return false;
 888 }
 889 
 890 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev,
 891                                     uint64_t src_offset,
 892                                     uint64_t dst_offset,
 893                                     unsigned num_gpu_pages,
 894                                     struct dma_resv *resv)
 895 {
 896         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 897         struct radeon_fence *fence;
 898         uint32_t cur_pages;
 899         uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
 900         uint32_t pitch;
 901         uint32_t stride_pixels;
 902         unsigned ndw;
 903         int num_loops;
 904         int r = 0;
 905 
 906         /* radeon limited to 16k stride */
 907         stride_bytes &= 0x3fff;
 908         /* radeon pitch is /64 */
 909         pitch = stride_bytes / 64;
 910         stride_pixels = stride_bytes / 4;
 911         num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 912 
 913         /* Ask for enough room for blit + flush + fence */
 914         ndw = 64 + (10 * num_loops);
 915         r = radeon_ring_lock(rdev, ring, ndw);
 916         if (r) {
 917                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 918                 return ERR_PTR(-EINVAL);
 919         }
 920         while (num_gpu_pages > 0) {
 921                 cur_pages = num_gpu_pages;
 922                 if (cur_pages > 8191) {
 923                         cur_pages = 8191;
 924                 }
 925                 num_gpu_pages -= cur_pages;
 926 
 927                 /* pages are in Y direction - height
 928                    page width in X direction - width */
 929                 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8));
 930                 radeon_ring_write(ring,
 931                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 932                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 933                                   RADEON_GMC_SRC_CLIPPING |
 934                                   RADEON_GMC_DST_CLIPPING |
 935                                   RADEON_GMC_BRUSH_NONE |
 936                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 937                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 938                                   RADEON_ROP3_S |
 939                                   RADEON_DP_SRC_SOURCE_MEMORY |
 940                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 941                                   RADEON_GMC_WR_MSK_DIS);
 942                 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10));
 943                 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10));
 944                 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 945                 radeon_ring_write(ring, 0);
 946                 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16));
 947                 radeon_ring_write(ring, num_gpu_pages);
 948                 radeon_ring_write(ring, num_gpu_pages);
 949                 radeon_ring_write(ring, cur_pages | (stride_pixels << 16));
 950         }
 951         radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 952         radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL);
 953         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 954         radeon_ring_write(ring,
 955                           RADEON_WAIT_2D_IDLECLEAN |
 956                           RADEON_WAIT_HOST_IDLECLEAN |
 957                           RADEON_WAIT_DMA_GUI_IDLE);
 958         r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
 959         if (r) {
 960                 radeon_ring_unlock_undo(rdev, ring);
 961                 return ERR_PTR(r);
 962         }
 963         radeon_ring_unlock_commit(rdev, ring, false);
 964         return fence;
 965 }
 966 
 967 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 968 {
 969         unsigned i;
 970         u32 tmp;
 971 
 972         for (i = 0; i < rdev->usec_timeout; i++) {
 973                 tmp = RREG32(R_000E40_RBBM_STATUS);
 974                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 975                         return 0;
 976                 }
 977                 udelay(1);
 978         }
 979         return -1;
 980 }
 981 
 982 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 983 {
 984         int r;
 985 
 986         r = radeon_ring_lock(rdev, ring, 2);
 987         if (r) {
 988                 return;
 989         }
 990         radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 991         radeon_ring_write(ring,
 992                           RADEON_ISYNC_ANY2D_IDLE3D |
 993                           RADEON_ISYNC_ANY3D_IDLE2D |
 994                           RADEON_ISYNC_WAIT_IDLEGUI |
 995                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 996         radeon_ring_unlock_commit(rdev, ring, false);
 997 }
 998 
 999 
1000 /* Load the microcode for the CP */
1001 static int r100_cp_init_microcode(struct radeon_device *rdev)
1002 {
1003         const char *fw_name = NULL;
1004         int err;
1005 
1006         DRM_DEBUG_KMS("\n");
1007 
1008         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
1009             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
1010             (rdev->family == CHIP_RS200)) {
1011                 DRM_INFO("Loading R100 Microcode\n");
1012                 fw_name = FIRMWARE_R100;
1013         } else if ((rdev->family == CHIP_R200) ||
1014                    (rdev->family == CHIP_RV250) ||
1015                    (rdev->family == CHIP_RV280) ||
1016                    (rdev->family == CHIP_RS300)) {
1017                 DRM_INFO("Loading R200 Microcode\n");
1018                 fw_name = FIRMWARE_R200;
1019         } else if ((rdev->family == CHIP_R300) ||
1020                    (rdev->family == CHIP_R350) ||
1021                    (rdev->family == CHIP_RV350) ||
1022                    (rdev->family == CHIP_RV380) ||
1023                    (rdev->family == CHIP_RS400) ||
1024                    (rdev->family == CHIP_RS480)) {
1025                 DRM_INFO("Loading R300 Microcode\n");
1026                 fw_name = FIRMWARE_R300;
1027         } else if ((rdev->family == CHIP_R420) ||
1028                    (rdev->family == CHIP_R423) ||
1029                    (rdev->family == CHIP_RV410)) {
1030                 DRM_INFO("Loading R400 Microcode\n");
1031                 fw_name = FIRMWARE_R420;
1032         } else if ((rdev->family == CHIP_RS690) ||
1033                    (rdev->family == CHIP_RS740)) {
1034                 DRM_INFO("Loading RS690/RS740 Microcode\n");
1035                 fw_name = FIRMWARE_RS690;
1036         } else if (rdev->family == CHIP_RS600) {
1037                 DRM_INFO("Loading RS600 Microcode\n");
1038                 fw_name = FIRMWARE_RS600;
1039         } else if ((rdev->family == CHIP_RV515) ||
1040                    (rdev->family == CHIP_R520) ||
1041                    (rdev->family == CHIP_RV530) ||
1042                    (rdev->family == CHIP_R580) ||
1043                    (rdev->family == CHIP_RV560) ||
1044                    (rdev->family == CHIP_RV570)) {
1045                 DRM_INFO("Loading R500 Microcode\n");
1046                 fw_name = FIRMWARE_R520;
1047         }
1048 
1049         err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1050         if (err) {
1051                 pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name);
1052         } else if (rdev->me_fw->size % 8) {
1053                 pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n",
1054                        rdev->me_fw->size, fw_name);
1055                 err = -EINVAL;
1056                 release_firmware(rdev->me_fw);
1057                 rdev->me_fw = NULL;
1058         }
1059         return err;
1060 }
1061 
1062 u32 r100_gfx_get_rptr(struct radeon_device *rdev,
1063                       struct radeon_ring *ring)
1064 {
1065         u32 rptr;
1066 
1067         if (rdev->wb.enabled)
1068                 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
1069         else
1070                 rptr = RREG32(RADEON_CP_RB_RPTR);
1071 
1072         return rptr;
1073 }
1074 
1075 u32 r100_gfx_get_wptr(struct radeon_device *rdev,
1076                       struct radeon_ring *ring)
1077 {
1078         return RREG32(RADEON_CP_RB_WPTR);
1079 }
1080 
1081 void r100_gfx_set_wptr(struct radeon_device *rdev,
1082                        struct radeon_ring *ring)
1083 {
1084         WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1085         (void)RREG32(RADEON_CP_RB_WPTR);
1086 }
1087 
1088 static void r100_cp_load_microcode(struct radeon_device *rdev)
1089 {
1090         const __be32 *fw_data;
1091         int i, size;
1092 
1093         if (r100_gui_wait_for_idle(rdev)) {
1094                 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
1095         }
1096 
1097         if (rdev->me_fw) {
1098                 size = rdev->me_fw->size / 4;
1099                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
1100                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
1101                 for (i = 0; i < size; i += 2) {
1102                         WREG32(RADEON_CP_ME_RAM_DATAH,
1103                                be32_to_cpup(&fw_data[i]));
1104                         WREG32(RADEON_CP_ME_RAM_DATAL,
1105                                be32_to_cpup(&fw_data[i + 1]));
1106                 }
1107         }
1108 }
1109 
1110 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
1111 {
1112         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1113         unsigned rb_bufsz;
1114         unsigned rb_blksz;
1115         unsigned max_fetch;
1116         unsigned pre_write_timer;
1117         unsigned pre_write_limit;
1118         unsigned indirect2_start;
1119         unsigned indirect1_start;
1120         uint32_t tmp;
1121         int r;
1122 
1123         if (r100_debugfs_cp_init(rdev)) {
1124                 DRM_ERROR("Failed to register debugfs file for CP !\n");
1125         }
1126         if (!rdev->me_fw) {
1127                 r = r100_cp_init_microcode(rdev);
1128                 if (r) {
1129                         DRM_ERROR("Failed to load firmware!\n");
1130                         return r;
1131                 }
1132         }
1133 
1134         /* Align ring size */
1135         rb_bufsz = order_base_2(ring_size / 8);
1136         ring_size = (1 << (rb_bufsz + 1)) * 4;
1137         r100_cp_load_microcode(rdev);
1138         r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET,
1139                              RADEON_CP_PACKET2);
1140         if (r) {
1141                 return r;
1142         }
1143         /* Each time the cp read 1024 bytes (16 dword/quadword) update
1144          * the rptr copy in system ram */
1145         rb_blksz = 9;
1146         /* cp will read 128bytes at a time (4 dwords) */
1147         max_fetch = 1;
1148         ring->align_mask = 16 - 1;
1149         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
1150         pre_write_timer = 64;
1151         /* Force CP_RB_WPTR write if written more than one time before the
1152          * delay expire
1153          */
1154         pre_write_limit = 0;
1155         /* Setup the cp cache like this (cache size is 96 dwords) :
1156          *      RING            0  to 15
1157          *      INDIRECT1       16 to 79
1158          *      INDIRECT2       80 to 95
1159          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1160          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
1161          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
1162          * Idea being that most of the gpu cmd will be through indirect1 buffer
1163          * so it gets the bigger cache.
1164          */
1165         indirect2_start = 80;
1166         indirect1_start = 16;
1167         /* cp setup */
1168         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
1169         tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
1170                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
1171                REG_SET(RADEON_MAX_FETCH, max_fetch));
1172 #ifdef __BIG_ENDIAN
1173         tmp |= RADEON_BUF_SWAP_32BIT;
1174 #endif
1175         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
1176 
1177         /* Set ring address */
1178         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr);
1179         WREG32(RADEON_CP_RB_BASE, ring->gpu_addr);
1180         /* Force read & write ptr to 0 */
1181         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
1182         WREG32(RADEON_CP_RB_RPTR_WR, 0);
1183         ring->wptr = 0;
1184         WREG32(RADEON_CP_RB_WPTR, ring->wptr);
1185 
1186         /* set the wb address whether it's enabled or not */
1187         WREG32(R_00070C_CP_RB_RPTR_ADDR,
1188                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2));
1189         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET);
1190 
1191         if (rdev->wb.enabled)
1192                 WREG32(R_000770_SCRATCH_UMSK, 0xff);
1193         else {
1194                 tmp |= RADEON_RB_NO_UPDATE;
1195                 WREG32(R_000770_SCRATCH_UMSK, 0);
1196         }
1197 
1198         WREG32(RADEON_CP_RB_CNTL, tmp);
1199         udelay(10);
1200         /* Set cp mode to bus mastering & enable cp*/
1201         WREG32(RADEON_CP_CSQ_MODE,
1202                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
1203                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
1204         WREG32(RADEON_CP_RB_WPTR_DELAY, 0);
1205         WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D);
1206         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
1207 
1208         /* at this point everything should be setup correctly to enable master */
1209         pci_set_master(rdev->pdev);
1210 
1211         radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1212         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1213         if (r) {
1214                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
1215                 return r;
1216         }
1217         ring->ready = true;
1218         radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1219 
1220         if (!ring->rptr_save_reg /* not resuming from suspend */
1221             && radeon_ring_supports_scratch_reg(rdev, ring)) {
1222                 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
1223                 if (r) {
1224                         DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
1225                         ring->rptr_save_reg = 0;
1226                 }
1227         }
1228         return 0;
1229 }
1230 
1231 void r100_cp_fini(struct radeon_device *rdev)
1232 {
1233         if (r100_cp_wait_for_idle(rdev)) {
1234                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
1235         }
1236         /* Disable ring */
1237         r100_cp_disable(rdev);
1238         radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg);
1239         radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1240         DRM_INFO("radeon: cp finalized\n");
1241 }
1242 
1243 void r100_cp_disable(struct radeon_device *rdev)
1244 {
1245         /* Disable ring */
1246         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1247         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1248         WREG32(RADEON_CP_CSQ_MODE, 0);
1249         WREG32(RADEON_CP_CSQ_CNTL, 0);
1250         WREG32(R_000770_SCRATCH_UMSK, 0);
1251         if (r100_gui_wait_for_idle(rdev)) {
1252                 pr_warn("Failed to wait GUI idle while 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, p->filp, 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_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
1830                         track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
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                 pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
1887                 return -EINVAL;
1888         }
1889         return 0;
1890 }
1891 
1892 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1893                                          struct radeon_cs_packet *pkt,
1894                                          struct radeon_bo *robj)
1895 {
1896         unsigned idx;
1897         u32 value;
1898         idx = pkt->idx + 1;
1899         value = radeon_get_ib_value(p, idx + 2);
1900         if ((value + 1) > radeon_bo_size(robj)) {
1901                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1902                           "(need %u have %lu) !\n",
1903                           value + 1,
1904                           radeon_bo_size(robj));
1905                 return -EINVAL;
1906         }
1907         return 0;
1908 }
1909 
1910 static int r100_packet3_check(struct radeon_cs_parser *p,
1911                               struct radeon_cs_packet *pkt)
1912 {
1913         struct radeon_bo_list *reloc;
1914         struct r100_cs_track *track;
1915         unsigned idx;
1916         volatile uint32_t *ib;
1917         int r;
1918 
1919         ib = p->ib.ptr;
1920         idx = pkt->idx + 1;
1921         track = (struct r100_cs_track *)p->track;
1922         switch (pkt->opcode) {
1923         case PACKET3_3D_LOAD_VBPNTR:
1924                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1925                 if (r)
1926                         return r;
1927                 break;
1928         case PACKET3_INDX_BUFFER:
1929                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1930                 if (r) {
1931                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1932                         radeon_cs_dump_packet(p, pkt);
1933                         return r;
1934                 }
1935                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset);
1936                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1937                 if (r) {
1938                         return r;
1939                 }
1940                 break;
1941         case 0x23:
1942                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1943                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1944                 if (r) {
1945                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1946                         radeon_cs_dump_packet(p, pkt);
1947                         return r;
1948                 }
1949                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset);
1950                 track->num_arrays = 1;
1951                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1952 
1953                 track->arrays[0].robj = reloc->robj;
1954                 track->arrays[0].esize = track->vtx_size;
1955 
1956                 track->max_indx = radeon_get_ib_value(p, idx+1);
1957 
1958                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1959                 track->immd_dwords = pkt->count - 1;
1960                 r = r100_cs_track_check(p->rdev, track);
1961                 if (r)
1962                         return r;
1963                 break;
1964         case PACKET3_3D_DRAW_IMMD:
1965                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1966                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1967                         return -EINVAL;
1968                 }
1969                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1970                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1971                 track->immd_dwords = pkt->count - 1;
1972                 r = r100_cs_track_check(p->rdev, track);
1973                 if (r)
1974                         return r;
1975                 break;
1976                 /* triggers drawing using in-packet vertex data */
1977         case PACKET3_3D_DRAW_IMMD_2:
1978                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1979                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1980                         return -EINVAL;
1981                 }
1982                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1983                 track->immd_dwords = pkt->count;
1984                 r = r100_cs_track_check(p->rdev, track);
1985                 if (r)
1986                         return r;
1987                 break;
1988                 /* triggers drawing using in-packet vertex data */
1989         case PACKET3_3D_DRAW_VBUF_2:
1990                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1991                 r = r100_cs_track_check(p->rdev, track);
1992                 if (r)
1993                         return r;
1994                 break;
1995                 /* triggers drawing of vertex buffers setup elsewhere */
1996         case PACKET3_3D_DRAW_INDX_2:
1997                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1998                 r = r100_cs_track_check(p->rdev, track);
1999                 if (r)
2000                         return r;
2001                 break;
2002                 /* triggers drawing using indices to vertex buffer */
2003         case PACKET3_3D_DRAW_VBUF:
2004                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2005                 r = r100_cs_track_check(p->rdev, track);
2006                 if (r)
2007                         return r;
2008                 break;
2009                 /* triggers drawing of vertex buffers setup elsewhere */
2010         case PACKET3_3D_DRAW_INDX:
2011                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
2012                 r = r100_cs_track_check(p->rdev, track);
2013                 if (r)
2014                         return r;
2015                 break;
2016                 /* triggers drawing using indices to vertex buffer */
2017         case PACKET3_3D_CLEAR_HIZ:
2018         case PACKET3_3D_CLEAR_ZMASK:
2019                 if (p->rdev->hyperz_filp != p->filp)
2020                         return -EINVAL;
2021                 break;
2022         case PACKET3_NOP:
2023                 break;
2024         default:
2025                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
2026                 return -EINVAL;
2027         }
2028         return 0;
2029 }
2030 
2031 int r100_cs_parse(struct radeon_cs_parser *p)
2032 {
2033         struct radeon_cs_packet pkt;
2034         struct r100_cs_track *track;
2035         int r;
2036 
2037         track = kzalloc(sizeof(*track), GFP_KERNEL);
2038         if (!track)
2039                 return -ENOMEM;
2040         r100_cs_track_clear(p->rdev, track);
2041         p->track = track;
2042         do {
2043                 r = radeon_cs_packet_parse(p, &pkt, p->idx);
2044                 if (r) {
2045                         return r;
2046                 }
2047                 p->idx += pkt.count + 2;
2048                 switch (pkt.type) {
2049                 case RADEON_PACKET_TYPE0:
2050                         if (p->rdev->family >= CHIP_R200)
2051                                 r = r100_cs_parse_packet0(p, &pkt,
2052                                         p->rdev->config.r100.reg_safe_bm,
2053                                         p->rdev->config.r100.reg_safe_bm_size,
2054                                         &r200_packet0_check);
2055                         else
2056                                 r = r100_cs_parse_packet0(p, &pkt,
2057                                         p->rdev->config.r100.reg_safe_bm,
2058                                         p->rdev->config.r100.reg_safe_bm_size,
2059                                         &r100_packet0_check);
2060                         break;
2061                 case RADEON_PACKET_TYPE2:
2062                         break;
2063                 case RADEON_PACKET_TYPE3:
2064                         r = r100_packet3_check(p, &pkt);
2065                         break;
2066                 default:
2067                         DRM_ERROR("Unknown packet type %d !\n",
2068                                   pkt.type);
2069                         return -EINVAL;
2070                 }
2071                 if (r)
2072                         return r;
2073         } while (p->idx < p->chunk_ib->length_dw);
2074         return 0;
2075 }
2076 
2077 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2078 {
2079         DRM_ERROR("pitch                      %d\n", t->pitch);
2080         DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
2081         DRM_ERROR("width                      %d\n", t->width);
2082         DRM_ERROR("width_11                   %d\n", t->width_11);
2083         DRM_ERROR("height                     %d\n", t->height);
2084         DRM_ERROR("height_11                  %d\n", t->height_11);
2085         DRM_ERROR("num levels                 %d\n", t->num_levels);
2086         DRM_ERROR("depth                      %d\n", t->txdepth);
2087         DRM_ERROR("bpp                        %d\n", t->cpp);
2088         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2089         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2090         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2091         DRM_ERROR("compress format            %d\n", t->compress_format);
2092 }
2093 
2094 static int r100_track_compress_size(int compress_format, int w, int h)
2095 {
2096         int block_width, block_height, block_bytes;
2097         int wblocks, hblocks;
2098         int min_wblocks;
2099         int sz;
2100 
2101         block_width = 4;
2102         block_height = 4;
2103 
2104         switch (compress_format) {
2105         case R100_TRACK_COMP_DXT1:
2106                 block_bytes = 8;
2107                 min_wblocks = 4;
2108                 break;
2109         default:
2110         case R100_TRACK_COMP_DXT35:
2111                 block_bytes = 16;
2112                 min_wblocks = 2;
2113                 break;
2114         }
2115 
2116         hblocks = (h + block_height - 1) / block_height;
2117         wblocks = (w + block_width - 1) / block_width;
2118         if (wblocks < min_wblocks)
2119                 wblocks = min_wblocks;
2120         sz = wblocks * hblocks * block_bytes;
2121         return sz;
2122 }
2123 
2124 static int r100_cs_track_cube(struct radeon_device *rdev,
2125                               struct r100_cs_track *track, unsigned idx)
2126 {
2127         unsigned face, w, h;
2128         struct radeon_bo *cube_robj;
2129         unsigned long size;
2130         unsigned compress_format = track->textures[idx].compress_format;
2131 
2132         for (face = 0; face < 5; face++) {
2133                 cube_robj = track->textures[idx].cube_info[face].robj;
2134                 w = track->textures[idx].cube_info[face].width;
2135                 h = track->textures[idx].cube_info[face].height;
2136 
2137                 if (compress_format) {
2138                         size = r100_track_compress_size(compress_format, w, h);
2139                 } else
2140                         size = w * h;
2141                 size *= track->textures[idx].cpp;
2142 
2143                 size += track->textures[idx].cube_info[face].offset;
2144 
2145                 if (size > radeon_bo_size(cube_robj)) {
2146                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2147                                   size, radeon_bo_size(cube_robj));
2148                         r100_cs_track_texture_print(&track->textures[idx]);
2149                         return -1;
2150                 }
2151         }
2152         return 0;
2153 }
2154 
2155 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2156                                        struct r100_cs_track *track)
2157 {
2158         struct radeon_bo *robj;
2159         unsigned long size;
2160         unsigned u, i, w, h, d;
2161         int ret;
2162 
2163         for (u = 0; u < track->num_texture; u++) {
2164                 if (!track->textures[u].enabled)
2165                         continue;
2166                 if (track->textures[u].lookup_disable)
2167                         continue;
2168                 robj = track->textures[u].robj;
2169                 if (robj == NULL) {
2170                         DRM_ERROR("No texture bound to unit %u\n", u);
2171                         return -EINVAL;
2172                 }
2173                 size = 0;
2174                 for (i = 0; i <= track->textures[u].num_levels; i++) {
2175                         if (track->textures[u].use_pitch) {
2176                                 if (rdev->family < CHIP_R300)
2177                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2178                                 else
2179                                         w = track->textures[u].pitch / (1 << i);
2180                         } else {
2181                                 w = track->textures[u].width;
2182                                 if (rdev->family >= CHIP_RV515)
2183                                         w |= track->textures[u].width_11;
2184                                 w = w / (1 << i);
2185                                 if (track->textures[u].roundup_w)
2186                                         w = roundup_pow_of_two(w);
2187                         }
2188                         h = track->textures[u].height;
2189                         if (rdev->family >= CHIP_RV515)
2190                                 h |= track->textures[u].height_11;
2191                         h = h / (1 << i);
2192                         if (track->textures[u].roundup_h)
2193                                 h = roundup_pow_of_two(h);
2194                         if (track->textures[u].tex_coord_type == 1) {
2195                                 d = (1 << track->textures[u].txdepth) / (1 << i);
2196                                 if (!d)
2197                                         d = 1;
2198                         } else {
2199                                 d = 1;
2200                         }
2201                         if (track->textures[u].compress_format) {
2202 
2203                                 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2204                                 /* compressed textures are block based */
2205                         } else
2206                                 size += w * h * d;
2207                 }
2208                 size *= track->textures[u].cpp;
2209 
2210                 switch (track->textures[u].tex_coord_type) {
2211                 case 0:
2212                 case 1:
2213                         break;
2214                 case 2:
2215                         if (track->separate_cube) {
2216                                 ret = r100_cs_track_cube(rdev, track, u);
2217                                 if (ret)
2218                                         return ret;
2219                         } else
2220                                 size *= 6;
2221                         break;
2222                 default:
2223                         DRM_ERROR("Invalid texture coordinate type %u for unit "
2224                                   "%u\n", track->textures[u].tex_coord_type, u);
2225                         return -EINVAL;
2226                 }
2227                 if (size > radeon_bo_size(robj)) {
2228                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2229                                   "%lu\n", u, size, radeon_bo_size(robj));
2230                         r100_cs_track_texture_print(&track->textures[u]);
2231                         return -EINVAL;
2232                 }
2233         }
2234         return 0;
2235 }
2236 
2237 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2238 {
2239         unsigned i;
2240         unsigned long size;
2241         unsigned prim_walk;
2242         unsigned nverts;
2243         unsigned num_cb = track->cb_dirty ? track->num_cb : 0;
2244 
2245         if (num_cb && !track->zb_cb_clear && !track->color_channel_mask &&
2246             !track->blend_read_enable)
2247                 num_cb = 0;
2248 
2249         for (i = 0; i < num_cb; i++) {
2250                 if (track->cb[i].robj == NULL) {
2251                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2252                         return -EINVAL;
2253                 }
2254                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2255                 size += track->cb[i].offset;
2256                 if (size > radeon_bo_size(track->cb[i].robj)) {
2257                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
2258                                   "(need %lu have %lu) !\n", i, size,
2259                                   radeon_bo_size(track->cb[i].robj));
2260                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2261                                   i, track->cb[i].pitch, track->cb[i].cpp,
2262                                   track->cb[i].offset, track->maxy);
2263                         return -EINVAL;
2264                 }
2265         }
2266         track->cb_dirty = false;
2267 
2268         if (track->zb_dirty && track->z_enabled) {
2269                 if (track->zb.robj == NULL) {
2270                         DRM_ERROR("[drm] No buffer for z buffer !\n");
2271                         return -EINVAL;
2272                 }
2273                 size = track->zb.pitch * track->zb.cpp * track->maxy;
2274                 size += track->zb.offset;
2275                 if (size > radeon_bo_size(track->zb.robj)) {
2276                         DRM_ERROR("[drm] Buffer too small for z buffer "
2277                                   "(need %lu have %lu) !\n", size,
2278                                   radeon_bo_size(track->zb.robj));
2279                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2280                                   track->zb.pitch, track->zb.cpp,
2281                                   track->zb.offset, track->maxy);
2282                         return -EINVAL;
2283                 }
2284         }
2285         track->zb_dirty = false;
2286 
2287         if (track->aa_dirty && track->aaresolve) {
2288                 if (track->aa.robj == NULL) {
2289                         DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i);
2290                         return -EINVAL;
2291                 }
2292                 /* I believe the format comes from colorbuffer0. */
2293                 size = track->aa.pitch * track->cb[0].cpp * track->maxy;
2294                 size += track->aa.offset;
2295                 if (size > radeon_bo_size(track->aa.robj)) {
2296                         DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d "
2297                                   "(need %lu have %lu) !\n", i, size,
2298                                   radeon_bo_size(track->aa.robj));
2299                         DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n",
2300                                   i, track->aa.pitch, track->cb[0].cpp,
2301                                   track->aa.offset, track->maxy);
2302                         return -EINVAL;
2303                 }
2304         }
2305         track->aa_dirty = false;
2306 
2307         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2308         if (track->vap_vf_cntl & (1 << 14)) {
2309                 nverts = track->vap_alt_nverts;
2310         } else {
2311                 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2312         }
2313         switch (prim_walk) {
2314         case 1:
2315                 for (i = 0; i < track->num_arrays; i++) {
2316                         size = track->arrays[i].esize * track->max_indx * 4;
2317                         if (track->arrays[i].robj == NULL) {
2318                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2319                                           "bound\n", prim_walk, i);
2320                                 return -EINVAL;
2321                         }
2322                         if (size > radeon_bo_size(track->arrays[i].robj)) {
2323                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2324                                         "need %lu dwords have %lu dwords\n",
2325                                         prim_walk, i, size >> 2,
2326                                         radeon_bo_size(track->arrays[i].robj)
2327                                         >> 2);
2328                                 DRM_ERROR("Max indices %u\n", track->max_indx);
2329                                 return -EINVAL;
2330                         }
2331                 }
2332                 break;
2333         case 2:
2334                 for (i = 0; i < track->num_arrays; i++) {
2335                         size = track->arrays[i].esize * (nverts - 1) * 4;
2336                         if (track->arrays[i].robj == NULL) {
2337                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2338                                           "bound\n", prim_walk, i);
2339                                 return -EINVAL;
2340                         }
2341                         if (size > radeon_bo_size(track->arrays[i].robj)) {
2342                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
2343                                         "need %lu dwords have %lu dwords\n",
2344                                         prim_walk, i, size >> 2,
2345                                         radeon_bo_size(track->arrays[i].robj)
2346                                         >> 2);
2347                                 return -EINVAL;
2348                         }
2349                 }
2350                 break;
2351         case 3:
2352                 size = track->vtx_size * nverts;
2353                 if (size != track->immd_dwords) {
2354                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2355                                   track->immd_dwords, size);
2356                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2357                                   nverts, track->vtx_size);
2358                         return -EINVAL;
2359                 }
2360                 break;
2361         default:
2362                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2363                           prim_walk);
2364                 return -EINVAL;
2365         }
2366 
2367         if (track->tex_dirty) {
2368                 track->tex_dirty = false;
2369                 return r100_cs_track_texture_check(rdev, track);
2370         }
2371         return 0;
2372 }
2373 
2374 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2375 {
2376         unsigned i, face;
2377 
2378         track->cb_dirty = true;
2379         track->zb_dirty = true;
2380         track->tex_dirty = true;
2381         track->aa_dirty = true;
2382 
2383         if (rdev->family < CHIP_R300) {
2384                 track->num_cb = 1;
2385                 if (rdev->family <= CHIP_RS200)
2386                         track->num_texture = 3;
2387                 else
2388                         track->num_texture = 6;
2389                 track->maxy = 2048;
2390                 track->separate_cube = 1;
2391         } else {
2392                 track->num_cb = 4;
2393                 track->num_texture = 16;
2394                 track->maxy = 4096;
2395                 track->separate_cube = 0;
2396                 track->aaresolve = false;
2397                 track->aa.robj = NULL;
2398         }
2399 
2400         for (i = 0; i < track->num_cb; i++) {
2401                 track->cb[i].robj = NULL;
2402                 track->cb[i].pitch = 8192;
2403                 track->cb[i].cpp = 16;
2404                 track->cb[i].offset = 0;
2405         }
2406         track->z_enabled = true;
2407         track->zb.robj = NULL;
2408         track->zb.pitch = 8192;
2409         track->zb.cpp = 4;
2410         track->zb.offset = 0;
2411         track->vtx_size = 0x7F;
2412         track->immd_dwords = 0xFFFFFFFFUL;
2413         track->num_arrays = 11;
2414         track->max_indx = 0x00FFFFFFUL;
2415         for (i = 0; i < track->num_arrays; i++) {
2416                 track->arrays[i].robj = NULL;
2417                 track->arrays[i].esize = 0x7F;
2418         }
2419         for (i = 0; i < track->num_texture; i++) {
2420                 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
2421                 track->textures[i].pitch = 16536;
2422                 track->textures[i].width = 16536;
2423                 track->textures[i].height = 16536;
2424                 track->textures[i].width_11 = 1 << 11;
2425                 track->textures[i].height_11 = 1 << 11;
2426                 track->textures[i].num_levels = 12;
2427                 if (rdev->family <= CHIP_RS200) {
2428                         track->textures[i].tex_coord_type = 0;
2429                         track->textures[i].txdepth = 0;
2430                 } else {
2431                         track->textures[i].txdepth = 16;
2432                         track->textures[i].tex_coord_type = 1;
2433                 }
2434                 track->textures[i].cpp = 64;
2435                 track->textures[i].robj = NULL;
2436                 /* CS IB emission code makes sure texture unit are disabled */
2437                 track->textures[i].enabled = false;
2438                 track->textures[i].lookup_disable = false;
2439                 track->textures[i].roundup_w = true;
2440                 track->textures[i].roundup_h = true;
2441                 if (track->separate_cube)
2442                         for (face = 0; face < 5; face++) {
2443                                 track->textures[i].cube_info[face].robj = NULL;
2444                                 track->textures[i].cube_info[face].width = 16536;
2445                                 track->textures[i].cube_info[face].height = 16536;
2446                                 track->textures[i].cube_info[face].offset = 0;
2447                         }
2448         }
2449 }
2450 
2451 /*
2452  * Global GPU functions
2453  */
2454 static void r100_errata(struct radeon_device *rdev)
2455 {
2456         rdev->pll_errata = 0;
2457 
2458         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
2459                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2460         }
2461 
2462         if (rdev->family == CHIP_RV100 ||
2463             rdev->family == CHIP_RS100 ||
2464             rdev->family == CHIP_RS200) {
2465                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
2466         }
2467 }
2468 
2469 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
2470 {
2471         unsigned i;
2472         uint32_t tmp;
2473 
2474         for (i = 0; i < rdev->usec_timeout; i++) {
2475                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
2476                 if (tmp >= n) {
2477                         return 0;
2478                 }
2479                 udelay(1);
2480         }
2481         return -1;
2482 }
2483 
2484 int r100_gui_wait_for_idle(struct radeon_device *rdev)
2485 {
2486         unsigned i;
2487         uint32_t tmp;
2488 
2489         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
2490                 pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n");
2491         }
2492         for (i = 0; i < rdev->usec_timeout; i++) {
2493                 tmp = RREG32(RADEON_RBBM_STATUS);
2494                 if (!(tmp & RADEON_RBBM_ACTIVE)) {
2495                         return 0;
2496                 }
2497                 udelay(1);
2498         }
2499         return -1;
2500 }
2501 
2502 int r100_mc_wait_for_idle(struct radeon_device *rdev)
2503 {
2504         unsigned i;
2505         uint32_t tmp;
2506 
2507         for (i = 0; i < rdev->usec_timeout; i++) {
2508                 /* read MC_STATUS */
2509                 tmp = RREG32(RADEON_MC_STATUS);
2510                 if (tmp & RADEON_MC_IDLE) {
2511                         return 0;
2512                 }
2513                 udelay(1);
2514         }
2515         return -1;
2516 }
2517 
2518 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2519 {
2520         u32 rbbm_status;
2521 
2522         rbbm_status = RREG32(R_000E40_RBBM_STATUS);
2523         if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
2524                 radeon_ring_lockup_update(rdev, ring);
2525                 return false;
2526         }
2527         return radeon_ring_test_lockup(rdev, ring);
2528 }
2529 
2530 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
2531 void r100_enable_bm(struct radeon_device *rdev)
2532 {
2533         uint32_t tmp;
2534         /* Enable bus mastering */
2535         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
2536         WREG32(RADEON_BUS_CNTL, tmp);
2537 }
2538 
2539 void r100_bm_disable(struct radeon_device *rdev)
2540 {
2541         u32 tmp;
2542 
2543         /* disable bus mastering */
2544         tmp = RREG32(R_000030_BUS_CNTL);
2545         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
2546         mdelay(1);
2547         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
2548         mdelay(1);
2549         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
2550         tmp = RREG32(RADEON_BUS_CNTL);
2551         mdelay(1);
2552         pci_clear_master(rdev->pdev);
2553         mdelay(1);
2554 }
2555 
2556 int r100_asic_reset(struct radeon_device *rdev, bool hard)
2557 {
2558         struct r100_mc_save save;
2559         u32 status, tmp;
2560         int ret = 0;
2561 
2562         status = RREG32(R_000E40_RBBM_STATUS);
2563         if (!G_000E40_GUI_ACTIVE(status)) {
2564                 return 0;
2565         }
2566         r100_mc_stop(rdev, &save);
2567         status = RREG32(R_000E40_RBBM_STATUS);
2568         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2569         /* stop CP */
2570         WREG32(RADEON_CP_CSQ_CNTL, 0);
2571         tmp = RREG32(RADEON_CP_RB_CNTL);
2572         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
2573         WREG32(RADEON_CP_RB_RPTR_WR, 0);
2574         WREG32(RADEON_CP_RB_WPTR, 0);
2575         WREG32(RADEON_CP_RB_CNTL, tmp);
2576         /* save PCI state */
2577         pci_save_state(rdev->pdev);
2578         /* disable bus mastering */
2579         r100_bm_disable(rdev);
2580         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
2581                                         S_0000F0_SOFT_RESET_RE(1) |
2582                                         S_0000F0_SOFT_RESET_PP(1) |
2583                                         S_0000F0_SOFT_RESET_RB(1));
2584         RREG32(R_0000F0_RBBM_SOFT_RESET);
2585         mdelay(500);
2586         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2587         mdelay(1);
2588         status = RREG32(R_000E40_RBBM_STATUS);
2589         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2590         /* reset CP */
2591         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
2592         RREG32(R_0000F0_RBBM_SOFT_RESET);
2593         mdelay(500);
2594         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
2595         mdelay(1);
2596         status = RREG32(R_000E40_RBBM_STATUS);
2597         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
2598         /* restore PCI & busmastering */
2599         pci_restore_state(rdev->pdev);
2600         r100_enable_bm(rdev);
2601         /* Check if GPU is idle */
2602         if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
2603                 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
2604                 dev_err(rdev->dev, "failed to reset GPU\n");
2605                 ret = -1;
2606         } else
2607                 dev_info(rdev->dev, "GPU reset succeed\n");
2608         r100_mc_resume(rdev, &save);
2609         return ret;
2610 }
2611 
2612 void r100_set_common_regs(struct radeon_device *rdev)
2613 {
2614         struct drm_device *dev = rdev->ddev;
2615         bool force_dac2 = false;
2616         u32 tmp;
2617 
2618         /* set these so they don't interfere with anything */
2619         WREG32(RADEON_OV0_SCALE_CNTL, 0);
2620         WREG32(RADEON_SUBPIC_CNTL, 0);
2621         WREG32(RADEON_VIPH_CONTROL, 0);
2622         WREG32(RADEON_I2C_CNTL_1, 0);
2623         WREG32(RADEON_DVI_I2C_CNTL_1, 0);
2624         WREG32(RADEON_CAP0_TRIG_CNTL, 0);
2625         WREG32(RADEON_CAP1_TRIG_CNTL, 0);
2626 
2627         /* always set up dac2 on rn50 and some rv100 as lots
2628          * of servers seem to wire it up to a VGA port but
2629          * don't report it in the bios connector
2630          * table.
2631          */
2632         switch (dev->pdev->device) {
2633                 /* RN50 */
2634         case 0x515e:
2635         case 0x5969:
2636                 force_dac2 = true;
2637                 break;
2638                 /* RV100*/
2639         case 0x5159:
2640         case 0x515a:
2641                 /* DELL triple head servers */
2642                 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
2643                     ((dev->pdev->subsystem_device == 0x016c) ||
2644                      (dev->pdev->subsystem_device == 0x016d) ||
2645                      (dev->pdev->subsystem_device == 0x016e) ||
2646                      (dev->pdev->subsystem_device == 0x016f) ||
2647                      (dev->pdev->subsystem_device == 0x0170) ||
2648                      (dev->pdev->subsystem_device == 0x017d) ||
2649                      (dev->pdev->subsystem_device == 0x017e) ||
2650                      (dev->pdev->subsystem_device == 0x0183) ||
2651                      (dev->pdev->subsystem_device == 0x018a) ||
2652                      (dev->pdev->subsystem_device == 0x019a)))
2653                         force_dac2 = true;
2654                 break;
2655         }
2656 
2657         if (force_dac2) {
2658                 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
2659                 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
2660                 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
2661 
2662                 /* For CRT on DAC2, don't turn it on if BIOS didn't
2663                    enable it, even it's detected.
2664                 */
2665 
2666                 /* force it to crtc0 */
2667                 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
2668                 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
2669                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
2670 
2671                 /* set up the TV DAC */
2672                 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
2673                                  RADEON_TV_DAC_STD_MASK |
2674                                  RADEON_TV_DAC_RDACPD |
2675                                  RADEON_TV_DAC_GDACPD |
2676                                  RADEON_TV_DAC_BDACPD |
2677                                  RADEON_TV_DAC_BGADJ_MASK |
2678                                  RADEON_TV_DAC_DACADJ_MASK);
2679                 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
2680                                 RADEON_TV_DAC_NHOLD |
2681                                 RADEON_TV_DAC_STD_PS2 |
2682                                 (0x58 << 16));
2683 
2684                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
2685                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
2686                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
2687         }
2688 
2689         /* switch PM block to ACPI mode */
2690         tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
2691         tmp &= ~RADEON_PM_MODE_SEL;
2692         WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
2693 
2694 }
2695 
2696 /*
2697  * VRAM info
2698  */
2699 static void r100_vram_get_type(struct radeon_device *rdev)
2700 {
2701         uint32_t tmp;
2702 
2703         rdev->mc.vram_is_ddr = false;
2704         if (rdev->flags & RADEON_IS_IGP)
2705                 rdev->mc.vram_is_ddr = true;
2706         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
2707                 rdev->mc.vram_is_ddr = true;
2708         if ((rdev->family == CHIP_RV100) ||
2709             (rdev->family == CHIP_RS100) ||
2710             (rdev->family == CHIP_RS200)) {
2711                 tmp = RREG32(RADEON_MEM_CNTL);
2712                 if (tmp & RV100_HALF_MODE) {
2713                         rdev->mc.vram_width = 32;
2714                 } else {
2715                         rdev->mc.vram_width = 64;
2716                 }
2717                 if (rdev->flags & RADEON_SINGLE_CRTC) {
2718                         rdev->mc.vram_width /= 4;
2719                         rdev->mc.vram_is_ddr = true;
2720                 }
2721         } else if (rdev->family <= CHIP_RV280) {
2722                 tmp = RREG32(RADEON_MEM_CNTL);
2723                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
2724                         rdev->mc.vram_width = 128;
2725                 } else {
2726                         rdev->mc.vram_width = 64;
2727                 }
2728         } else {
2729                 /* newer IGPs */
2730                 rdev->mc.vram_width = 128;
2731         }
2732 }
2733 
2734 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
2735 {
2736         u32 aper_size;
2737         u8 byte;
2738 
2739         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2740 
2741         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
2742          * that is has the 2nd generation multifunction PCI interface
2743          */
2744         if (rdev->family == CHIP_RV280 ||
2745             rdev->family >= CHIP_RV350) {
2746                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
2747                        ~RADEON_HDP_APER_CNTL);
2748                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
2749                 return aper_size * 2;
2750         }
2751 
2752         /* Older cards have all sorts of funny issues to deal with. First
2753          * check if it's a multifunction card by reading the PCI config
2754          * header type... Limit those to one aperture size
2755          */
2756         pci_read_config_byte(rdev->pdev, 0xe, &byte);
2757         if (byte & 0x80) {
2758                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
2759                 DRM_INFO("Limiting VRAM to one aperture\n");
2760                 return aper_size;
2761         }
2762 
2763         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
2764          * have set it up. We don't write this as it's broken on some ASICs but
2765          * we expect the BIOS to have done the right thing (might be too optimistic...)
2766          */
2767         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
2768                 return aper_size * 2;
2769         return aper_size;
2770 }
2771 
2772 void r100_vram_init_sizes(struct radeon_device *rdev)
2773 {
2774         u64 config_aper_size;
2775 
2776         /* work out accessible VRAM */
2777         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2778         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2779         rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2780         /* FIXME we don't use the second aperture yet when we could use it */
2781         if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2782                 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2783         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2784         if (rdev->flags & RADEON_IS_IGP) {
2785                 uint32_t tom;
2786                 /* read NB_TOM to get the amount of ram stolen for the GPU */
2787                 tom = RREG32(RADEON_NB_TOM);
2788                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2789                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2790                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2791         } else {
2792                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2793                 /* Some production boards of m6 will report 0
2794                  * if it's 8 MB
2795                  */
2796                 if (rdev->mc.real_vram_size == 0) {
2797                         rdev->mc.real_vram_size = 8192 * 1024;
2798                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2799                 }
2800                 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
2801                  * Novell bug 204882 + along with lots of ubuntu ones
2802                  */
2803                 if (rdev->mc.aper_size > config_aper_size)
2804                         config_aper_size = rdev->mc.aper_size;
2805 
2806                 if (config_aper_size > rdev->mc.real_vram_size)
2807                         rdev->mc.mc_vram_size = config_aper_size;
2808                 else
2809                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2810         }
2811 }
2812 
2813 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2814 {
2815         uint32_t temp;
2816 
2817         temp = RREG32(RADEON_CONFIG_CNTL);
2818         if (state == false) {
2819                 temp &= ~RADEON_CFG_VGA_RAM_EN;
2820                 temp |= RADEON_CFG_VGA_IO_DIS;
2821         } else {
2822                 temp &= ~RADEON_CFG_VGA_IO_DIS;
2823         }
2824         WREG32(RADEON_CONFIG_CNTL, temp);
2825 }
2826 
2827 static void r100_mc_init(struct radeon_device *rdev)
2828 {
2829         u64 base;
2830 
2831         r100_vram_get_type(rdev);
2832         r100_vram_init_sizes(rdev);
2833         base = rdev->mc.aper_base;
2834         if (rdev->flags & RADEON_IS_IGP)
2835                 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2836         radeon_vram_location(rdev, &rdev->mc, base);
2837         rdev->mc.gtt_base_align = 0;
2838         if (!(rdev->flags & RADEON_IS_AGP))
2839                 radeon_gtt_location(rdev, &rdev->mc);
2840         radeon_update_bandwidth_info(rdev);
2841 }
2842 
2843 
2844 /*
2845  * Indirect registers accessor
2846  */
2847 void r100_pll_errata_after_index(struct radeon_device *rdev)
2848 {
2849         if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) {
2850                 (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2851                 (void)RREG32(RADEON_CRTC_GEN_CNTL);
2852         }
2853 }
2854 
2855 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2856 {
2857         /* This workarounds is necessary on RV100, RS100 and RS200 chips
2858          * or the chip could hang on a subsequent access
2859          */
2860         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2861                 mdelay(5);
2862         }
2863 
2864         /* This function is required to workaround a hardware bug in some (all?)
2865          * revisions of the R300.  This workaround should be called after every
2866          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2867          * may not be correct.
2868          */
2869         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2870                 uint32_t save, tmp;
2871 
2872                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2873                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2874                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2875                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2876                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2877         }
2878 }
2879 
2880 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2881 {
2882         unsigned long flags;
2883         uint32_t data;
2884 
2885         spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2886         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2887         r100_pll_errata_after_index(rdev);
2888         data = RREG32(RADEON_CLOCK_CNTL_DATA);
2889         r100_pll_errata_after_data(rdev);
2890         spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2891         return data;
2892 }
2893 
2894 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2895 {
2896         unsigned long flags;
2897 
2898         spin_lock_irqsave(&rdev->pll_idx_lock, flags);
2899         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2900         r100_pll_errata_after_index(rdev);
2901         WREG32(RADEON_CLOCK_CNTL_DATA, v);
2902         r100_pll_errata_after_data(rdev);
2903         spin_unlock_irqrestore(&rdev->pll_idx_lock, flags);
2904 }
2905 
2906 static void r100_set_safe_registers(struct radeon_device *rdev)
2907 {
2908         if (ASIC_IS_RN50(rdev)) {
2909                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2910                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2911         } else if (rdev->family < CHIP_R200) {
2912                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2913                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2914         } else {
2915                 r200_set_safe_registers(rdev);
2916         }
2917 }
2918 
2919 /*
2920  * Debugfs info
2921  */
2922 #if defined(CONFIG_DEBUG_FS)
2923 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2924 {
2925         struct drm_info_node *node = (struct drm_info_node *) m->private;
2926         struct drm_device *dev = node->minor->dev;
2927         struct radeon_device *rdev = dev->dev_private;
2928         uint32_t reg, value;
2929         unsigned i;
2930 
2931         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2932         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2933         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2934         for (i = 0; i < 64; i++) {
2935                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2936                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2937                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2938                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2939                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2940         }
2941         return 0;
2942 }
2943 
2944 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2945 {
2946         struct drm_info_node *node = (struct drm_info_node *) m->private;
2947         struct drm_device *dev = node->minor->dev;
2948         struct radeon_device *rdev = dev->dev_private;
2949         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2950         uint32_t rdp, wdp;
2951         unsigned count, i, j;
2952 
2953         radeon_ring_free_size(rdev, ring);
2954         rdp = RREG32(RADEON_CP_RB_RPTR);
2955         wdp = RREG32(RADEON_CP_RB_WPTR);
2956         count = (rdp + ring->ring_size - wdp) & ring->ptr_mask;
2957         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2958         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2959         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2960         seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
2961         seq_printf(m, "%u dwords in ring\n", count);
2962         if (ring->ready) {
2963                 for (j = 0; j <= count; j++) {
2964                         i = (rdp + j) & ring->ptr_mask;
2965                         seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
2966                 }
2967         }
2968         return 0;
2969 }
2970 
2971 
2972 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2973 {
2974         struct drm_info_node *node = (struct drm_info_node *) m->private;
2975         struct drm_device *dev = node->minor->dev;
2976         struct radeon_device *rdev = dev->dev_private;
2977         uint32_t csq_stat, csq2_stat, tmp;
2978         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2979         unsigned i;
2980 
2981         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2982         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2983         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2984         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2985         r_rptr = (csq_stat >> 0) & 0x3ff;
2986         r_wptr = (csq_stat >> 10) & 0x3ff;
2987         ib1_rptr = (csq_stat >> 20) & 0x3ff;
2988         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2989         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2990         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2991         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2992         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2993         seq_printf(m, "Ring rptr %u\n", r_rptr);
2994         seq_printf(m, "Ring wptr %u\n", r_wptr);
2995         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2996         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2997         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2998         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2999         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
3000          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
3001         seq_printf(m, "Ring fifo:\n");
3002         for (i = 0; i < 256; i++) {
3003                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3004                 tmp = RREG32(RADEON_CP_CSQ_DATA);
3005                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
3006         }
3007         seq_printf(m, "Indirect1 fifo:\n");
3008         for (i = 256; i <= 512; i++) {
3009                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3010                 tmp = RREG32(RADEON_CP_CSQ_DATA);
3011                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
3012         }
3013         seq_printf(m, "Indirect2 fifo:\n");
3014         for (i = 640; i < ib1_wptr; i++) {
3015                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
3016                 tmp = RREG32(RADEON_CP_CSQ_DATA);
3017                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
3018         }
3019         return 0;
3020 }
3021 
3022 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
3023 {
3024         struct drm_info_node *node = (struct drm_info_node *) m->private;
3025         struct drm_device *dev = node->minor->dev;
3026         struct radeon_device *rdev = dev->dev_private;
3027         uint32_t tmp;
3028 
3029         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
3030         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
3031         tmp = RREG32(RADEON_MC_FB_LOCATION);
3032         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
3033         tmp = RREG32(RADEON_BUS_CNTL);
3034         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
3035         tmp = RREG32(RADEON_MC_AGP_LOCATION);
3036         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
3037         tmp = RREG32(RADEON_AGP_BASE);
3038         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
3039         tmp = RREG32(RADEON_HOST_PATH_CNTL);
3040         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
3041         tmp = RREG32(0x01D0);
3042         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
3043         tmp = RREG32(RADEON_AIC_LO_ADDR);
3044         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
3045         tmp = RREG32(RADEON_AIC_HI_ADDR);
3046         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
3047         tmp = RREG32(0x01E4);
3048         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
3049         return 0;
3050 }
3051 
3052 static struct drm_info_list r100_debugfs_rbbm_list[] = {
3053         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
3054 };
3055 
3056 static struct drm_info_list r100_debugfs_cp_list[] = {
3057         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
3058         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
3059 };
3060 
3061 static struct drm_info_list r100_debugfs_mc_info_list[] = {
3062         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
3063 };
3064 #endif
3065 
3066 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
3067 {
3068 #if defined(CONFIG_DEBUG_FS)
3069         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
3070 #else
3071         return 0;
3072 #endif
3073 }
3074 
3075 int r100_debugfs_cp_init(struct radeon_device *rdev)
3076 {
3077 #if defined(CONFIG_DEBUG_FS)
3078         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
3079 #else
3080         return 0;
3081 #endif
3082 }
3083 
3084 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
3085 {
3086 #if defined(CONFIG_DEBUG_FS)
3087         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
3088 #else
3089         return 0;
3090 #endif
3091 }
3092 
3093 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
3094                          uint32_t tiling_flags, uint32_t pitch,
3095                          uint32_t offset, uint32_t obj_size)
3096 {
3097         int surf_index = reg * 16;
3098         int flags = 0;
3099 
3100         if (rdev->family <= CHIP_RS200) {
3101                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3102                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3103                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
3104                 if (tiling_flags & RADEON_TILING_MACRO)
3105                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
3106                 /* setting pitch to 0 disables tiling */
3107                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
3108                                 == 0)
3109                         pitch = 0;
3110         } else if (rdev->family <= CHIP_RV280) {
3111                 if (tiling_flags & (RADEON_TILING_MACRO))
3112                         flags |= R200_SURF_TILE_COLOR_MACRO;
3113                 if (tiling_flags & RADEON_TILING_MICRO)
3114                         flags |= R200_SURF_TILE_COLOR_MICRO;
3115         } else {
3116                 if (tiling_flags & RADEON_TILING_MACRO)
3117                         flags |= R300_SURF_TILE_MACRO;
3118                 if (tiling_flags & RADEON_TILING_MICRO)
3119                         flags |= R300_SURF_TILE_MICRO;
3120         }
3121 
3122         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
3123                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
3124         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
3125                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
3126 
3127         /* r100/r200 divide by 16 */
3128         if (rdev->family < CHIP_R300)
3129                 flags |= pitch / 16;
3130         else
3131                 flags |= pitch / 8;
3132 
3133 
3134         DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
3135         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
3136         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
3137         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
3138         return 0;
3139 }
3140 
3141 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
3142 {
3143         int surf_index = reg * 16;
3144         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
3145 }
3146 
3147 void r100_bandwidth_update(struct radeon_device *rdev)
3148 {
3149         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
3150         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
3151         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff;
3152         fixed20_12 crit_point_ff = {0};
3153         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
3154         fixed20_12 memtcas_ff[8] = {
3155                 dfixed_init(1),
3156                 dfixed_init(2),
3157                 dfixed_init(3),
3158                 dfixed_init(0),
3159                 dfixed_init_half(1),
3160                 dfixed_init_half(2),
3161                 dfixed_init(0),
3162         };
3163         fixed20_12 memtcas_rs480_ff[8] = {
3164                 dfixed_init(0),
3165                 dfixed_init(1),
3166                 dfixed_init(2),
3167                 dfixed_init(3),
3168                 dfixed_init(0),
3169                 dfixed_init_half(1),
3170                 dfixed_init_half(2),
3171                 dfixed_init_half(3),
3172         };
3173         fixed20_12 memtcas2_ff[8] = {
3174                 dfixed_init(0),
3175                 dfixed_init(1),
3176                 dfixed_init(2),
3177                 dfixed_init(3),
3178                 dfixed_init(4),
3179                 dfixed_init(5),
3180                 dfixed_init(6),
3181                 dfixed_init(7),
3182         };
3183         fixed20_12 memtrbs[8] = {
3184                 dfixed_init(1),
3185                 dfixed_init_half(1),
3186                 dfixed_init(2),
3187                 dfixed_init_half(2),
3188                 dfixed_init(3),
3189                 dfixed_init_half(3),
3190                 dfixed_init(4),
3191                 dfixed_init_half(4)
3192         };
3193         fixed20_12 memtrbs_r4xx[8] = {
3194                 dfixed_init(4),
3195                 dfixed_init(5),
3196                 dfixed_init(6),
3197                 dfixed_init(7),
3198                 dfixed_init(8),
3199                 dfixed_init(9),
3200                 dfixed_init(10),
3201                 dfixed_init(11)
3202         };
3203         fixed20_12 min_mem_eff;
3204         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
3205         fixed20_12 cur_latency_mclk, cur_latency_sclk;
3206         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate = {0},
3207                 disp_drain_rate2, read_return_rate;
3208         fixed20_12 time_disp1_drop_priority;
3209         int c;
3210         int cur_size = 16;       /* in octawords */
3211         int critical_point = 0, critical_point2;
3212 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
3213         int stop_req, max_stop_req;
3214         struct drm_display_mode *mode1 = NULL;
3215         struct drm_display_mode *mode2 = NULL;
3216         uint32_t pixel_bytes1 = 0;
3217         uint32_t pixel_bytes2 = 0;
3218 
3219         /* Guess line buffer size to be 8192 pixels */
3220         u32 lb_size = 8192;
3221 
3222         if (!rdev->mode_info.mode_config_initialized)
3223                 return;
3224 
3225         radeon_update_display_priority(rdev);
3226 
3227         if (rdev->mode_info.crtcs[0]->base.enabled) {
3228                 const struct drm_framebuffer *fb =
3229                         rdev->mode_info.crtcs[0]->base.primary->fb;
3230 
3231                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
3232                 pixel_bytes1 = fb->format->cpp[0];
3233         }
3234         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3235                 if (rdev->mode_info.crtcs[1]->base.enabled) {
3236                         const struct drm_framebuffer *fb =
3237                                 rdev->mode_info.crtcs[1]->base.primary->fb;
3238 
3239                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
3240                         pixel_bytes2 = fb->format->cpp[0];
3241                 }
3242         }
3243 
3244         min_mem_eff.full = dfixed_const_8(0);
3245         /* get modes */
3246         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
3247                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
3248                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
3249                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
3250                 /* check crtc enables */
3251                 if (mode2)
3252                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
3253                 if (mode1)
3254                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
3255                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
3256         }
3257 
3258         /*
3259          * determine is there is enough bw for current mode
3260          */
3261         sclk_ff = rdev->pm.sclk;
3262         mclk_ff = rdev->pm.mclk;
3263 
3264         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
3265         temp_ff.full = dfixed_const(temp);
3266         mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
3267 
3268         pix_clk.full = 0;
3269         pix_clk2.full = 0;
3270         peak_disp_bw.full = 0;
3271         if (mode1) {
3272                 temp_ff.full = dfixed_const(1000);
3273                 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
3274                 pix_clk.full = dfixed_div(pix_clk, temp_ff);
3275                 temp_ff.full = dfixed_const(pixel_bytes1);
3276                 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
3277         }
3278         if (mode2) {
3279                 temp_ff.full = dfixed_const(1000);
3280                 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
3281                 pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
3282                 temp_ff.full = dfixed_const(pixel_bytes2);
3283                 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
3284         }
3285 
3286         mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
3287         if (peak_disp_bw.full >= mem_bw.full) {
3288                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
3289                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
3290         }
3291 
3292         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
3293         temp = RREG32(RADEON_MEM_TIMING_CNTL);
3294         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
3295                 mem_trcd = ((temp >> 2) & 0x3) + 1;
3296                 mem_trp  = ((temp & 0x3)) + 1;
3297                 mem_tras = ((temp & 0x70) >> 4) + 1;
3298         } else if (rdev->family == CHIP_R300 ||
3299                    rdev->family == CHIP_R350) { /* r300, r350 */
3300                 mem_trcd = (temp & 0x7) + 1;
3301                 mem_trp = ((temp >> 8) & 0x7) + 1;
3302                 mem_tras = ((temp >> 11) & 0xf) + 4;
3303         } else if (rdev->family == CHIP_RV350 ||
3304                    rdev->family == CHIP_RV380) {
3305                 /* rv3x0 */
3306                 mem_trcd = (temp & 0x7) + 3;
3307                 mem_trp = ((temp >> 8) & 0x7) + 3;
3308                 mem_tras = ((temp >> 11) & 0xf) + 6;
3309         } else if (rdev->family == CHIP_R420 ||
3310                    rdev->family == CHIP_R423 ||
3311                    rdev->family == CHIP_RV410) {
3312                 /* r4xx */
3313                 mem_trcd = (temp & 0xf) + 3;
3314                 if (mem_trcd > 15)
3315                         mem_trcd = 15;
3316                 mem_trp = ((temp >> 8) & 0xf) + 3;
3317                 if (mem_trp > 15)
3318                         mem_trp = 15;
3319                 mem_tras = ((temp >> 12) & 0x1f) + 6;
3320                 if (mem_tras > 31)
3321                         mem_tras = 31;
3322         } else { /* RV200, R200 */
3323                 mem_trcd = (temp & 0x7) + 1;
3324                 mem_trp = ((temp >> 8) & 0x7) + 1;
3325                 mem_tras = ((temp >> 12) & 0xf) + 4;
3326         }
3327         /* convert to FF */
3328         trcd_ff.full = dfixed_const(mem_trcd);
3329         trp_ff.full = dfixed_const(mem_trp);
3330         tras_ff.full = dfixed_const(mem_tras);
3331 
3332         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
3333         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3334         data = (temp & (7 << 20)) >> 20;
3335         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
3336                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
3337                         tcas_ff = memtcas_rs480_ff[data];
3338                 else
3339                         tcas_ff = memtcas_ff[data];
3340         } else
3341                 tcas_ff = memtcas2_ff[data];
3342 
3343         if (rdev->family == CHIP_RS400 ||
3344             rdev->family == CHIP_RS480) {
3345                 /* extra cas latency stored in bits 23-25 0-4 clocks */
3346                 data = (temp >> 23) & 0x7;
3347                 if (data < 5)
3348                         tcas_ff.full += dfixed_const(data);
3349         }
3350 
3351         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
3352                 /* on the R300, Tcas is included in Trbs.
3353                  */
3354                 temp = RREG32(RADEON_MEM_CNTL);
3355                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
3356                 if (data == 1) {
3357                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
3358                                 temp = RREG32(R300_MC_IND_INDEX);
3359                                 temp &= ~R300_MC_IND_ADDR_MASK;
3360                                 temp |= R300_MC_READ_CNTL_CD_mcind;
3361                                 WREG32(R300_MC_IND_INDEX, temp);
3362                                 temp = RREG32(R300_MC_IND_DATA);
3363                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
3364                         } else {
3365                                 temp = RREG32(R300_MC_READ_CNTL_AB);
3366                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3367                         }
3368                 } else {
3369                         temp = RREG32(R300_MC_READ_CNTL_AB);
3370                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
3371                 }
3372                 if (rdev->family == CHIP_RV410 ||
3373                     rdev->family == CHIP_R420 ||
3374                     rdev->family == CHIP_R423)
3375                         trbs_ff = memtrbs_r4xx[data];
3376                 else
3377                         trbs_ff = memtrbs[data];
3378                 tcas_ff.full += trbs_ff.full;
3379         }
3380 
3381         sclk_eff_ff.full = sclk_ff.full;
3382 
3383         if (rdev->flags & RADEON_IS_AGP) {
3384                 fixed20_12 agpmode_ff;
3385                 agpmode_ff.full = dfixed_const(radeon_agpmode);
3386                 temp_ff.full = dfixed_const_666(16);
3387                 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
3388         }
3389         /* TODO PCIE lanes may affect this - agpmode == 16?? */
3390 
3391         if (ASIC_IS_R300(rdev)) {
3392                 sclk_delay_ff.full = dfixed_const(250);
3393         } else {
3394                 if ((rdev->family == CHIP_RV100) ||
3395                     rdev->flags & RADEON_IS_IGP) {
3396                         if (rdev->mc.vram_is_ddr)
3397                                 sclk_delay_ff.full = dfixed_const(41);
3398                         else
3399                                 sclk_delay_ff.full = dfixed_const(33);
3400                 } else {
3401                         if (rdev->mc.vram_width == 128)
3402                                 sclk_delay_ff.full = dfixed_const(57);
3403                         else
3404                                 sclk_delay_ff.full = dfixed_const(41);
3405                 }
3406         }
3407 
3408         mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
3409 
3410         if (rdev->mc.vram_is_ddr) {
3411                 if (rdev->mc.vram_width == 32) {
3412                         k1.full = dfixed_const(40);
3413                         c  = 3;
3414                 } else {
3415                         k1.full = dfixed_const(20);
3416                         c  = 1;
3417                 }
3418         } else {
3419                 k1.full = dfixed_const(40);
3420                 c  = 3;
3421         }
3422 
3423         temp_ff.full = dfixed_const(2);
3424         mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
3425         temp_ff.full = dfixed_const(c);
3426         mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
3427         temp_ff.full = dfixed_const(4);
3428         mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
3429         mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
3430         mc_latency_mclk.full += k1.full;
3431 
3432         mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
3433         mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
3434 
3435         /*
3436           HW cursor time assuming worst case of full size colour cursor.
3437         */
3438         temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
3439         temp_ff.full += trcd_ff.full;
3440         if (temp_ff.full < tras_ff.full)
3441                 temp_ff.full = tras_ff.full;
3442         cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
3443 
3444         temp_ff.full = dfixed_const(cur_size);
3445         cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
3446         /*
3447           Find the total latency for the display data.
3448         */
3449         disp_latency_overhead.full = dfixed_const(8);
3450         disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
3451         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
3452         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
3453 
3454         if (mc_latency_mclk.full > mc_latency_sclk.full)
3455                 disp_latency.full = mc_latency_mclk.full;
3456         else
3457                 disp_latency.full = mc_latency_sclk.full;
3458 
3459         /* setup Max GRPH_STOP_REQ default value */
3460         if (ASIC_IS_RV100(rdev))
3461                 max_stop_req = 0x5c;
3462         else
3463                 max_stop_req = 0x7c;
3464 
3465         if (mode1) {
3466                 /*  CRTC1
3467                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
3468                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
3469                 */
3470                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
3471 
3472                 if (stop_req > max_stop_req)
3473                         stop_req = max_stop_req;
3474 
3475                 /*
3476                   Find the drain rate of the display buffer.
3477                 */
3478                 temp_ff.full = dfixed_const((16/pixel_bytes1));
3479                 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
3480 
3481                 /*
3482                   Find the critical point of the display buffer.
3483                 */
3484                 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
3485                 crit_point_ff.full += dfixed_const_half(0);
3486 
3487                 critical_point = dfixed_trunc(crit_point_ff);
3488 
3489                 if (rdev->disp_priority == 2) {
3490                         critical_point = 0;
3491                 }
3492 
3493                 /*
3494                   The critical point should never be above max_stop_req-4.  Setting
3495                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
3496                 */
3497                 if (max_stop_req - critical_point < 4)
3498                         critical_point = 0;
3499 
3500                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
3501                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
3502                         critical_point = 0x10;
3503                 }
3504 
3505                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
3506                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
3507                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3508                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
3509                 if ((rdev->family == CHIP_R350) &&
3510                     (stop_req > 0x15)) {
3511                         stop_req -= 0x10;
3512                 }
3513                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3514                 temp |= RADEON_GRPH_BUFFER_SIZE;
3515                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3516                           RADEON_GRPH_CRITICAL_AT_SOF |
3517                           RADEON_GRPH_STOP_CNTL);
3518                 /*
3519                   Write the result into the register.
3520                 */
3521                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3522                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3523 
3524 #if 0
3525                 if ((rdev->family == CHIP_RS400) ||
3526                     (rdev->family == CHIP_RS480)) {
3527                         /* attempt to program RS400 disp regs correctly ??? */
3528                         temp = RREG32(RS400_DISP1_REG_CNTL);
3529                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
3530                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
3531                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
3532                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3533                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3534                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
3535                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
3536                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
3537                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
3538                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
3539                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
3540                 }
3541 #endif
3542 
3543                 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n",
3544                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
3545                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
3546         }
3547 
3548         if (mode2) {
3549                 u32 grph2_cntl;
3550                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
3551 
3552                 if (stop_req > max_stop_req)
3553                         stop_req = max_stop_req;
3554 
3555                 /*
3556                   Find the drain rate of the display buffer.
3557                 */
3558                 temp_ff.full = dfixed_const((16/pixel_bytes2));
3559                 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
3560 
3561                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
3562                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
3563                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
3564                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
3565                 if ((rdev->family == CHIP_R350) &&
3566                     (stop_req > 0x15)) {
3567                         stop_req -= 0x10;
3568                 }
3569                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
3570                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
3571                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
3572                           RADEON_GRPH_CRITICAL_AT_SOF |
3573                           RADEON_GRPH_STOP_CNTL);
3574 
3575                 if ((rdev->family == CHIP_RS100) ||
3576                     (rdev->family == CHIP_RS200))
3577                         critical_point2 = 0;
3578                 else {
3579                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
3580                         temp_ff.full = dfixed_const(temp);
3581                         temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
3582                         if (sclk_ff.full < temp_ff.full)
3583                                 temp_ff.full = sclk_ff.full;
3584 
3585                         read_return_rate.full = temp_ff.full;
3586 
3587                         if (mode1) {
3588                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
3589                                 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
3590                         } else {
3591                                 time_disp1_drop_priority.full = 0;
3592                         }
3593                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
3594                         crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
3595                         crit_point_ff.full += dfixed_const_half(0);
3596 
3597                         critical_point2 = dfixed_trunc(crit_point_ff);
3598 
3599                         if (rdev->disp_priority == 2) {
3600                                 critical_point2 = 0;
3601                         }
3602 
3603                         if (max_stop_req - critical_point2 < 4)
3604                                 critical_point2 = 0;
3605 
3606                 }
3607 
3608                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
3609                         /* some R300 cards have problem with this set to 0 */
3610                         critical_point2 = 0x10;
3611                 }
3612 
3613                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
3614                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
3615 
3616                 if ((rdev->family == CHIP_RS400) ||
3617                     (rdev->family == CHIP_RS480)) {
3618 #if 0
3619                         /* attempt to program RS400 disp2 regs correctly ??? */
3620                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
3621                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
3622                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
3623                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
3624                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
3625                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
3626                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
3627                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
3628                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
3629                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
3630                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
3631                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
3632 #endif
3633                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
3634                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
3635                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
3636                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
3637                 }
3638 
3639                 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n",
3640                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
3641         }
3642 
3643         /* Save number of lines the linebuffer leads before the scanout */
3644         if (mode1)
3645             rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
3646 
3647         if (mode2)
3648             rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
3649 }
3650 
3651 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
3652 {
3653         uint32_t scratch;
3654         uint32_t tmp = 0;
3655         unsigned i;
3656         int r;
3657 
3658         r = radeon_scratch_get(rdev, &scratch);
3659         if (r) {
3660                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3661                 return r;
3662         }
3663         WREG32(scratch, 0xCAFEDEAD);
3664         r = radeon_ring_lock(rdev, ring, 2);
3665         if (r) {
3666                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3667                 radeon_scratch_free(rdev, scratch);
3668                 return r;
3669         }
3670         radeon_ring_write(ring, PACKET0(scratch, 0));
3671         radeon_ring_write(ring, 0xDEADBEEF);
3672         radeon_ring_unlock_commit(rdev, ring, false);
3673         for (i = 0; i < rdev->usec_timeout; i++) {
3674                 tmp = RREG32(scratch);
3675                 if (tmp == 0xDEADBEEF) {
3676                         break;
3677                 }
3678                 udelay(1);
3679         }
3680         if (i < rdev->usec_timeout) {
3681                 DRM_INFO("ring test succeeded in %d usecs\n", i);
3682         } else {
3683                 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n",
3684                           scratch, tmp);
3685                 r = -EINVAL;
3686         }
3687         radeon_scratch_free(rdev, scratch);
3688         return r;
3689 }
3690 
3691 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3692 {
3693         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3694 
3695         if (ring->rptr_save_reg) {
3696                 u32 next_rptr = ring->wptr + 2 + 3;
3697                 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0));
3698                 radeon_ring_write(ring, next_rptr);
3699         }
3700 
3701         radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1));
3702         radeon_ring_write(ring, ib->gpu_addr);
3703         radeon_ring_write(ring, ib->length_dw);
3704 }
3705 
3706 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3707 {
3708         struct radeon_ib ib;
3709         uint32_t scratch;
3710         uint32_t tmp = 0;
3711         unsigned i;
3712         int r;
3713 
3714         r = radeon_scratch_get(rdev, &scratch);
3715         if (r) {
3716                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3717                 return r;
3718         }
3719         WREG32(scratch, 0xCAFEDEAD);
3720         r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
3721         if (r) {
3722                 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3723                 goto free_scratch;
3724         }
3725         ib.ptr[0] = PACKET0(scratch, 0);
3726         ib.ptr[1] = 0xDEADBEEF;
3727         ib.ptr[2] = PACKET2(0);
3728         ib.ptr[3] = PACKET2(0);
3729         ib.ptr[4] = PACKET2(0);
3730         ib.ptr[5] = PACKET2(0);
3731         ib.ptr[6] = PACKET2(0);
3732         ib.ptr[7] = PACKET2(0);
3733         ib.length_dw = 8;
3734         r = radeon_ib_schedule(rdev, &ib, NULL, false);
3735         if (r) {
3736                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3737                 goto free_ib;
3738         }
3739         r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies(
3740                 RADEON_USEC_IB_TEST_TIMEOUT));
3741         if (r < 0) {
3742                 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3743                 goto free_ib;
3744         } else if (r == 0) {
3745                 DRM_ERROR("radeon: fence wait timed out.\n");
3746                 r = -ETIMEDOUT;
3747                 goto free_ib;
3748         }
3749         r = 0;
3750         for (i = 0; i < rdev->usec_timeout; i++) {
3751                 tmp = RREG32(scratch);
3752                 if (tmp == 0xDEADBEEF) {
3753                         break;
3754                 }
3755                 udelay(1);
3756         }
3757         if (i < rdev->usec_timeout) {
3758                 DRM_INFO("ib test succeeded in %u usecs\n", i);
3759         } else {
3760                 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3761                           scratch, tmp);
3762                 r = -EINVAL;
3763         }
3764 free_ib:
3765         radeon_ib_free(rdev, &ib);
3766 free_scratch:
3767         radeon_scratch_free(rdev, scratch);
3768         return r;
3769 }
3770 
3771 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3772 {
3773         /* Shutdown CP we shouldn't need to do that but better be safe than
3774          * sorry
3775          */
3776         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3777         WREG32(R_000740_CP_CSQ_CNTL, 0);
3778 
3779         /* Save few CRTC registers */
3780         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3781         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3782         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3783         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3784         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3785                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3786                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3787         }
3788 
3789         /* Disable VGA aperture access */
3790         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3791         /* Disable cursor, overlay, crtc */
3792         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3793         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3794                                         S_000054_CRTC_DISPLAY_DIS(1));
3795         WREG32(R_000050_CRTC_GEN_CNTL,
3796                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3797                         S_000050_CRTC_DISP_REQ_EN_B(1));
3798         WREG32(R_000420_OV0_SCALE_CNTL,
3799                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3800         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3801         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3802                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3803                                                 S_000360_CUR2_LOCK(1));
3804                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3805                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3806                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3807                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3808                 WREG32(R_000360_CUR2_OFFSET,
3809                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3810         }
3811 }
3812 
3813 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3814 {
3815         /* Update base address for crtc */
3816         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3817         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3818                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3819         }
3820         /* Restore CRTC registers */
3821         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3822         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3823         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3824         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3825                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3826         }
3827 }
3828 
3829 void r100_vga_render_disable(struct radeon_device *rdev)
3830 {
3831         u32 tmp;
3832 
3833         tmp = RREG8(R_0003C2_GENMO_WT);
3834         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3835 }
3836 
3837 static void r100_debugfs(struct radeon_device *rdev)
3838 {
3839         int r;
3840 
3841         r = r100_debugfs_mc_info_init(rdev);
3842         if (r)
3843                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3844 }
3845 
3846 static void r100_mc_program(struct radeon_device *rdev)
3847 {
3848         struct r100_mc_save save;
3849 
3850         /* Stops all mc clients */
3851         r100_mc_stop(rdev, &save);
3852         if (rdev->flags & RADEON_IS_AGP) {
3853                 WREG32(R_00014C_MC_AGP_LOCATION,
3854                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3855                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3856                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3857                 if (rdev->family > CHIP_RV200)
3858                         WREG32(R_00015C_AGP_BASE_2,
3859                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3860         } else {
3861                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3862                 WREG32(R_000170_AGP_BASE, 0);
3863                 if (rdev->family > CHIP_RV200)
3864                         WREG32(R_00015C_AGP_BASE_2, 0);
3865         }
3866         /* Wait for mc idle */
3867         if (r100_mc_wait_for_idle(rdev))
3868                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3869         /* Program MC, should be a 32bits limited address space */
3870         WREG32(R_000148_MC_FB_LOCATION,
3871                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3872                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3873         r100_mc_resume(rdev, &save);
3874 }
3875 
3876 static void r100_clock_startup(struct radeon_device *rdev)
3877 {
3878         u32 tmp;
3879 
3880         if (radeon_dynclks != -1 && radeon_dynclks)
3881                 radeon_legacy_set_clock_gating(rdev, 1);
3882         /* We need to force on some of the block */
3883         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3884         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3885         if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3886                 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3887         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3888 }
3889 
3890 static int r100_startup(struct radeon_device *rdev)
3891 {
3892         int r;
3893 
3894         /* set common regs */
3895         r100_set_common_regs(rdev);
3896         /* program mc */
3897         r100_mc_program(rdev);
3898         /* Resume clock */
3899         r100_clock_startup(rdev);
3900         /* Initialize GART (initialize after TTM so we can allocate
3901          * memory through TTM but finalize after TTM) */
3902         r100_enable_bm(rdev);
3903         if (rdev->flags & RADEON_IS_PCI) {
3904                 r = r100_pci_gart_enable(rdev);
3905                 if (r)
3906                         return r;
3907         }
3908 
3909         /* allocate wb buffer */
3910         r = radeon_wb_init(rdev);
3911         if (r)
3912                 return r;
3913 
3914         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3915         if (r) {
3916                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3917                 return r;
3918         }
3919 
3920         /* Enable IRQ */
3921         if (!rdev->irq.installed) {
3922                 r = radeon_irq_kms_init(rdev);
3923                 if (r)
3924                         return r;
3925         }
3926 
3927         r100_irq_set(rdev);
3928         rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3929         /* 1M ring buffer */
3930         r = r100_cp_init(rdev, 1024 * 1024);
3931         if (r) {
3932                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
3933                 return r;
3934         }
3935 
3936         r = radeon_ib_pool_init(rdev);
3937         if (r) {
3938                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3939                 return r;
3940         }
3941 
3942         return 0;
3943 }
3944 
3945 int r100_resume(struct radeon_device *rdev)
3946 {
3947         int r;
3948 
3949         /* Make sur GART are not working */
3950         if (rdev->flags & RADEON_IS_PCI)
3951                 r100_pci_gart_disable(rdev);
3952         /* Resume clock before doing reset */
3953         r100_clock_startup(rdev);
3954         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3955         if (radeon_asic_reset(rdev)) {
3956                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3957                         RREG32(R_000E40_RBBM_STATUS),
3958                         RREG32(R_0007C0_CP_STAT));
3959         }
3960         /* post */
3961         radeon_combios_asic_init(rdev->ddev);
3962         /* Resume clock after posting */
3963         r100_clock_startup(rdev);
3964         /* Initialize surface registers */
3965         radeon_surface_init(rdev);
3966 
3967         rdev->accel_working = true;
3968         r = r100_startup(rdev);
3969         if (r) {
3970                 rdev->accel_working = false;
3971         }
3972         return r;
3973 }
3974 
3975 int r100_suspend(struct radeon_device *rdev)
3976 {
3977         radeon_pm_suspend(rdev);
3978         r100_cp_disable(rdev);
3979         radeon_wb_disable(rdev);
3980         r100_irq_disable(rdev);
3981         if (rdev->flags & RADEON_IS_PCI)
3982                 r100_pci_gart_disable(rdev);
3983         return 0;
3984 }
3985 
3986 void r100_fini(struct radeon_device *rdev)
3987 {
3988         radeon_pm_fini(rdev);
3989         r100_cp_fini(rdev);
3990         radeon_wb_fini(rdev);
3991         radeon_ib_pool_fini(rdev);
3992         radeon_gem_fini(rdev);
3993         if (rdev->flags & RADEON_IS_PCI)
3994                 r100_pci_gart_fini(rdev);
3995         radeon_agp_fini(rdev);
3996         radeon_irq_kms_fini(rdev);
3997         radeon_fence_driver_fini(rdev);
3998         radeon_bo_fini(rdev);
3999         radeon_atombios_fini(rdev);
4000         kfree(rdev->bios);
4001         rdev->bios = NULL;
4002 }
4003 
4004 /*
4005  * Due to how kexec works, it can leave the hw fully initialised when it
4006  * boots the new kernel. However doing our init sequence with the CP and
4007  * WB stuff setup causes GPU hangs on the RN50 at least. So at startup
4008  * do some quick sanity checks and restore sane values to avoid this
4009  * problem.
4010  */
4011 void r100_restore_sanity(struct radeon_device *rdev)
4012 {
4013         u32 tmp;
4014 
4015         tmp = RREG32(RADEON_CP_CSQ_CNTL);
4016         if (tmp) {
4017                 WREG32(RADEON_CP_CSQ_CNTL, 0);
4018         }
4019         tmp = RREG32(RADEON_CP_RB_CNTL);
4020         if (tmp) {
4021                 WREG32(RADEON_CP_RB_CNTL, 0);
4022         }
4023         tmp = RREG32(RADEON_SCRATCH_UMSK);
4024         if (tmp) {
4025                 WREG32(RADEON_SCRATCH_UMSK, 0);
4026         }
4027 }
4028 
4029 int r100_init(struct radeon_device *rdev)
4030 {
4031         int r;
4032 
4033         /* Register debugfs file specific to this group of asics */
4034         r100_debugfs(rdev);
4035         /* Disable VGA */
4036         r100_vga_render_disable(rdev);
4037         /* Initialize scratch registers */
4038         radeon_scratch_init(rdev);
4039         /* Initialize surface registers */
4040         radeon_surface_init(rdev);
4041         /* sanity check some register to avoid hangs like after kexec */
4042         r100_restore_sanity(rdev);
4043         /* TODO: disable VGA need to use VGA request */
4044         /* BIOS*/
4045         if (!radeon_get_bios(rdev)) {
4046                 if (ASIC_IS_AVIVO(rdev))
4047                         return -EINVAL;
4048         }
4049         if (rdev->is_atom_bios) {
4050                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
4051                 return -EINVAL;
4052         } else {
4053                 r = radeon_combios_init(rdev);
4054                 if (r)
4055                         return r;
4056         }
4057         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
4058         if (radeon_asic_reset(rdev)) {
4059                 dev_warn(rdev->dev,
4060                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
4061                         RREG32(R_000E40_RBBM_STATUS),
4062                         RREG32(R_0007C0_CP_STAT));
4063         }
4064         /* check if cards are posted or not */
4065         if (radeon_boot_test_post_card(rdev) == false)
4066                 return -EINVAL;
4067         /* Set asic errata */
4068         r100_errata(rdev);
4069         /* Initialize clocks */
4070         radeon_get_clock_info(rdev->ddev);
4071         /* initialize AGP */
4072         if (rdev->flags & RADEON_IS_AGP) {
4073                 r = radeon_agp_init(rdev);
4074                 if (r) {
4075                         radeon_agp_disable(rdev);
4076                 }
4077         }
4078         /* initialize VRAM */
4079         r100_mc_init(rdev);
4080         /* Fence driver */
4081         r = radeon_fence_driver_init(rdev);
4082         if (r)
4083                 return r;
4084         /* Memory manager */
4085         r = radeon_bo_init(rdev);
4086         if (r)
4087                 return r;
4088         if (rdev->flags & RADEON_IS_PCI) {
4089                 r = r100_pci_gart_init(rdev);
4090                 if (r)
4091                         return r;
4092         }
4093         r100_set_safe_registers(rdev);
4094 
4095         /* Initialize power management */
4096         radeon_pm_init(rdev);
4097 
4098         rdev->accel_working = true;
4099         r = r100_startup(rdev);
4100         if (r) {
4101                 /* Somethings want wront with the accel init stop accel */
4102                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
4103                 r100_cp_fini(rdev);
4104                 radeon_wb_fini(rdev);
4105                 radeon_ib_pool_fini(rdev);
4106                 radeon_irq_kms_fini(rdev);
4107                 if (rdev->flags & RADEON_IS_PCI)
4108                         r100_pci_gart_fini(rdev);
4109                 rdev->accel_working = false;
4110         }
4111         return 0;
4112 }
4113 
4114 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg)
4115 {
4116         unsigned long flags;
4117         uint32_t ret;
4118 
4119         spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4120         writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4121         ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4122         spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4123         return ret;
4124 }
4125 
4126 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v)
4127 {
4128         unsigned long flags;
4129 
4130         spin_lock_irqsave(&rdev->mmio_idx_lock, flags);
4131         writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
4132         writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
4133         spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags);
4134 }
4135 
4136 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg)
4137 {
4138         if (reg < rdev->rio_mem_size)
4139                 return ioread32(rdev->rio_mem + reg);
4140         else {
4141                 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4142                 return ioread32(rdev->rio_mem + RADEON_MM_DATA);
4143         }
4144 }
4145 
4146 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v)
4147 {
4148         if (reg < rdev->rio_mem_size)
4149                 iowrite32(v, rdev->rio_mem + reg);
4150         else {
4151                 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX);
4152                 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA);
4153         }
4154 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/gpu/drm/radeon/r100.c

DEFINITIONS
