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/firmware.h> 30 #include <linux/module.h> 31 #include <linux/pci.h> 32 #include <linux/seq_file.h> 33 #include <linux/slab.h> 34 35 #include <drm/drm_device.h> 36 #include <drm/drm_file.h> 37 #include <drm/drm_fourcc.h> 38 #include <drm/drm_framebuffer.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 * @async: asynchronous flip 157 * 158 * Does the actual pageflip (r1xx-r4xx). 159 * During vblank we take the crtc lock and wait for the update_pending 160 * bit to go high, when it does, we release the lock, and allow the 161 * double buffered update to take place. 162 */ 163 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) 164 { 165 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 166 uint32_t crtc_pitch, pitch_pixels; 167 struct drm_framebuffer *fb = radeon_crtc->base.primary->fb; 168 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK; 169 int i; 170 171 /* Lock the graphics update lock */ 172 /* update the scanout addresses */ 173 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); 174 175 /* update pitch */ 176 pitch_pixels = fb->pitches[0] / fb->format->cpp[0]; 177 crtc_pitch = DIV_ROUND_UP(pitch_pixels * fb->format->cpp[0] * 8, 178 fb->format->cpp[0] * 8 * 8); 179 crtc_pitch |= crtc_pitch << 16; 180 WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch); 181 182 /* Wait for update_pending to go high. */ 183 for (i = 0; i < rdev->usec_timeout; i++) { 184 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET) 185 break; 186 udelay(1); 187 } 188 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 189 190 /* Unlock the lock, so double-buffering can take place inside vblank */ 191 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK; 192 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); 193 194 } 195 196 /** 197 * r100_page_flip_pending - check if page flip is still pending 198 * 199 * @rdev: radeon_device pointer 200 * @crtc_id: crtc to check 201 * 202 * Check if the last pagefilp is still pending (r1xx-r4xx). 203 * Returns the current update pending status. 204 */ 205 bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id) 206 { 207 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 208 209 /* Return current update_pending status: */ 210 return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & 211 RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET); 212 } 213 214 /** 215 * r100_pm_get_dynpm_state - look up dynpm power state callback. 216 * 217 * @rdev: radeon_device pointer 218 * 219 * Look up the optimal power state based on the 220 * current state of the GPU (r1xx-r5xx). 221 * Used for dynpm only. 222 */ 223 void r100_pm_get_dynpm_state(struct radeon_device *rdev) 224 { 225 int i; 226 rdev->pm.dynpm_can_upclock = true; 227 rdev->pm.dynpm_can_downclock = true; 228 229 switch (rdev->pm.dynpm_planned_action) { 230 case DYNPM_ACTION_MINIMUM: 231 rdev->pm.requested_power_state_index = 0; 232 rdev->pm.dynpm_can_downclock = false; 233 break; 234 case DYNPM_ACTION_DOWNCLOCK: 235 if (rdev->pm.current_power_state_index == 0) { 236 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 237 rdev->pm.dynpm_can_downclock = false; 238 } else { 239 if (rdev->pm.active_crtc_count > 1) { 240 for (i = 0; i < rdev->pm.num_power_states; i++) { 241 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 242 continue; 243 else if (i >= rdev->pm.current_power_state_index) { 244 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 245 break; 246 } else { 247 rdev->pm.requested_power_state_index = i; 248 break; 249 } 250 } 251 } else 252 rdev->pm.requested_power_state_index = 253 rdev->pm.current_power_state_index - 1; 254 } 255 /* don't use the power state if crtcs are active and no display flag is set */ 256 if ((rdev->pm.active_crtc_count > 0) && 257 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags & 258 RADEON_PM_MODE_NO_DISPLAY)) { 259 rdev->pm.requested_power_state_index++; 260 } 261 break; 262 case DYNPM_ACTION_UPCLOCK: 263 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 264 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 265 rdev->pm.dynpm_can_upclock = false; 266 } else { 267 if (rdev->pm.active_crtc_count > 1) { 268 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 269 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 270 continue; 271 else if (i <= rdev->pm.current_power_state_index) { 272 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 273 break; 274 } else { 275 rdev->pm.requested_power_state_index = i; 276 break; 277 } 278 } 279 } else 280 rdev->pm.requested_power_state_index = 281 rdev->pm.current_power_state_index + 1; 282 } 283 break; 284 case DYNPM_ACTION_DEFAULT: 285 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 286 rdev->pm.dynpm_can_upclock = false; 287 break; 288 case DYNPM_ACTION_NONE: 289 default: 290 DRM_ERROR("Requested mode for not defined action\n"); 291 return; 292 } 293 /* only one clock mode per power state */ 294 rdev->pm.requested_clock_mode_index = 0; 295 296 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 297 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 298 clock_info[rdev->pm.requested_clock_mode_index].sclk, 299 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 300 clock_info[rdev->pm.requested_clock_mode_index].mclk, 301 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 302 pcie_lanes); 303 } 304 305 /** 306 * r100_pm_init_profile - Initialize power profiles callback. 307 * 308 * @rdev: radeon_device pointer 309 * 310 * Initialize the power states used in profile mode 311 * (r1xx-r3xx). 312 * Used for profile mode only. 313 */ 314 void r100_pm_init_profile(struct radeon_device *rdev) 315 { 316 /* default */ 317 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 318 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 319 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 320 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 321 /* low sh */ 322 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 323 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 324 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 325 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 326 /* mid sh */ 327 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 328 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 329 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 330 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 331 /* high sh */ 332 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 333 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 334 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 335 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 336 /* low mh */ 337 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 338 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 339 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 340 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 341 /* mid mh */ 342 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 343 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 344 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 345 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 346 /* high mh */ 347 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 348 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 349 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 350 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 351 } 352 353 /** 354 * r100_pm_misc - set additional pm hw parameters callback. 355 * 356 * @rdev: radeon_device pointer 357 * 358 * Set non-clock parameters associated with a power state 359 * (voltage, pcie lanes, etc.) (r1xx-r4xx). 360 */ 361 void r100_pm_misc(struct radeon_device *rdev) 362 { 363 int requested_index = rdev->pm.requested_power_state_index; 364 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; 365 struct radeon_voltage *voltage = &ps->clock_info[0].voltage; 366 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl; 367 368 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { 369 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { 370 tmp = RREG32(voltage->gpio.reg); 371 if (voltage->active_high) 372 tmp |= voltage->gpio.mask; 373 else 374 tmp &= ~(voltage->gpio.mask); 375 WREG32(voltage->gpio.reg, tmp); 376 if (voltage->delay) 377 udelay(voltage->delay); 378 } else { 379 tmp = RREG32(voltage->gpio.reg); 380 if (voltage->active_high) 381 tmp &= ~voltage->gpio.mask; 382 else 383 tmp |= voltage->gpio.mask; 384 WREG32(voltage->gpio.reg, tmp); 385 if (voltage->delay) 386 udelay(voltage->delay); 387 } 388 } 389 390 sclk_cntl = RREG32_PLL(SCLK_CNTL); 391 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2); 392 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3); 393 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL); 394 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3); 395 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { 396 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN; 397 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE) 398 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE; 399 else 400 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE; 401 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) 402 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0); 403 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) 404 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2); 405 } else 406 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN; 407 408 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { 409 sclk_more_cntl |= IO_CG_VOLTAGE_DROP; 410 if (voltage->delay) { 411 sclk_more_cntl |= VOLTAGE_DROP_SYNC; 412 switch (voltage->delay) { 413 case 33: 414 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0); 415 break; 416 case 66: 417 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1); 418 break; 419 case 99: 420 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2); 421 break; 422 case 132: 423 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3); 424 break; 425 } 426 } else 427 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC; 428 } else 429 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP; 430 431 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) 432 sclk_cntl &= ~FORCE_HDP; 433 else 434 sclk_cntl |= FORCE_HDP; 435 436 WREG32_PLL(SCLK_CNTL, sclk_cntl); 437 WREG32_PLL(SCLK_CNTL2, sclk_cntl2); 438 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl); 439 440 /* set pcie lanes */ 441 if ((rdev->flags & RADEON_IS_PCIE) && 442 !(rdev->flags & RADEON_IS_IGP) && 443 rdev->asic->pm.set_pcie_lanes && 444 (ps->pcie_lanes != 445 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { 446 radeon_set_pcie_lanes(rdev, 447 ps->pcie_lanes); 448 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes); 449 } 450 } 451 452 /** 453 * r100_pm_prepare - pre-power state change callback. 454 * 455 * @rdev: radeon_device pointer 456 * 457 * Prepare for a power state change (r1xx-r4xx). 458 */ 459 void r100_pm_prepare(struct radeon_device *rdev) 460 { 461 struct drm_device *ddev = rdev->ddev; 462 struct drm_crtc *crtc; 463 struct radeon_crtc *radeon_crtc; 464 u32 tmp; 465 466 /* disable any active CRTCs */ 467 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 468 radeon_crtc = to_radeon_crtc(crtc); 469 if (radeon_crtc->enabled) { 470 if (radeon_crtc->crtc_id) { 471 tmp = RREG32(RADEON_CRTC2_GEN_CNTL); 472 tmp |= RADEON_CRTC2_DISP_REQ_EN_B; 473 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 474 } else { 475 tmp = RREG32(RADEON_CRTC_GEN_CNTL); 476 tmp |= RADEON_CRTC_DISP_REQ_EN_B; 477 WREG32(RADEON_CRTC_GEN_CNTL, tmp); 478 } 479 } 480 } 481 } 482 483 /** 484 * r100_pm_finish - post-power state change callback. 485 * 486 * @rdev: radeon_device pointer 487 * 488 * Clean up after a power state change (r1xx-r4xx). 489 */ 490 void r100_pm_finish(struct radeon_device *rdev) 491 { 492 struct drm_device *ddev = rdev->ddev; 493 struct drm_crtc *crtc; 494 struct radeon_crtc *radeon_crtc; 495 u32 tmp; 496 497 /* enable any active CRTCs */ 498 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 499 radeon_crtc = to_radeon_crtc(crtc); 500 if (radeon_crtc->enabled) { 501 if (radeon_crtc->crtc_id) { 502 tmp = RREG32(RADEON_CRTC2_GEN_CNTL); 503 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B; 504 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 505 } else { 506 tmp = RREG32(RADEON_CRTC_GEN_CNTL); 507 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B; 508 WREG32(RADEON_CRTC_GEN_CNTL, tmp); 509 } 510 } 511 } 512 } 513 514 /** 515 * r100_gui_idle - gui idle callback. 516 * 517 * @rdev: radeon_device pointer 518 * 519 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx). 520 * Returns true if idle, false if not. 521 */ 522 bool r100_gui_idle(struct radeon_device *rdev) 523 { 524 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE) 525 return false; 526 else 527 return true; 528 } 529 530 /* hpd for digital panel detect/disconnect */ 531 /** 532 * r100_hpd_sense - hpd sense callback. 533 * 534 * @rdev: radeon_device pointer 535 * @hpd: hpd (hotplug detect) pin 536 * 537 * Checks if a digital monitor is connected (r1xx-r4xx). 538 * Returns true if connected, false if not connected. 539 */ 540 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 541 { 542 bool connected = false; 543 544 switch (hpd) { 545 case RADEON_HPD_1: 546 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE) 547 connected = true; 548 break; 549 case RADEON_HPD_2: 550 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE) 551 connected = true; 552 break; 553 default: 554 break; 555 } 556 return connected; 557 } 558 559 /** 560 * r100_hpd_set_polarity - hpd set polarity callback. 561 * 562 * @rdev: radeon_device pointer 563 * @hpd: hpd (hotplug detect) pin 564 * 565 * Set the polarity of the hpd pin (r1xx-r4xx). 566 */ 567 void r100_hpd_set_polarity(struct radeon_device *rdev, 568 enum radeon_hpd_id hpd) 569 { 570 u32 tmp; 571 bool connected = r100_hpd_sense(rdev, hpd); 572 573 switch (hpd) { 574 case RADEON_HPD_1: 575 tmp = RREG32(RADEON_FP_GEN_CNTL); 576 if (connected) 577 tmp &= ~RADEON_FP_DETECT_INT_POL; 578 else 579 tmp |= RADEON_FP_DETECT_INT_POL; 580 WREG32(RADEON_FP_GEN_CNTL, tmp); 581 break; 582 case RADEON_HPD_2: 583 tmp = RREG32(RADEON_FP2_GEN_CNTL); 584 if (connected) 585 tmp &= ~RADEON_FP2_DETECT_INT_POL; 586 else 587 tmp |= RADEON_FP2_DETECT_INT_POL; 588 WREG32(RADEON_FP2_GEN_CNTL, tmp); 589 break; 590 default: 591 break; 592 } 593 } 594 595 /** 596 * r100_hpd_init - hpd setup callback. 597 * 598 * @rdev: radeon_device pointer 599 * 600 * Setup the hpd pins used by the card (r1xx-r4xx). 601 * Set the polarity, and enable the hpd interrupts. 602 */ 603 void r100_hpd_init(struct radeon_device *rdev) 604 { 605 struct drm_device *dev = rdev->ddev; 606 struct drm_connector *connector; 607 unsigned enable = 0; 608 609 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 610 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 611 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 612 enable |= 1 << radeon_connector->hpd.hpd; 613 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 614 } 615 radeon_irq_kms_enable_hpd(rdev, enable); 616 } 617 618 /** 619 * r100_hpd_fini - hpd tear down callback. 620 * 621 * @rdev: radeon_device pointer 622 * 623 * Tear down the hpd pins used by the card (r1xx-r4xx). 624 * Disable the hpd interrupts. 625 */ 626 void r100_hpd_fini(struct radeon_device *rdev) 627 { 628 struct drm_device *dev = rdev->ddev; 629 struct drm_connector *connector; 630 unsigned disable = 0; 631 632 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 633 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 634 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 635 disable |= 1 << radeon_connector->hpd.hpd; 636 } 637 radeon_irq_kms_disable_hpd(rdev, disable); 638 } 639 640 /* 641 * PCI GART 642 */ 643 void r100_pci_gart_tlb_flush(struct radeon_device *rdev) 644 { 645 /* TODO: can we do somethings here ? */ 646 /* It seems hw only cache one entry so we should discard this 647 * entry otherwise if first GPU GART read hit this entry it 648 * could end up in wrong address. */ 649 } 650 651 int r100_pci_gart_init(struct radeon_device *rdev) 652 { 653 int r; 654 655 if (rdev->gart.ptr) { 656 WARN(1, "R100 PCI GART already initialized\n"); 657 return 0; 658 } 659 /* Initialize common gart structure */ 660 r = radeon_gart_init(rdev); 661 if (r) 662 return r; 663 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; 664 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush; 665 rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry; 666 rdev->asic->gart.set_page = &r100_pci_gart_set_page; 667 return radeon_gart_table_ram_alloc(rdev); 668 } 669 670 int r100_pci_gart_enable(struct radeon_device *rdev) 671 { 672 uint32_t tmp; 673 674 /* discard memory request outside of configured range */ 675 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; 676 WREG32(RADEON_AIC_CNTL, tmp); 677 /* set address range for PCI address translate */ 678 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start); 679 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end); 680 /* set PCI GART page-table base address */ 681 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr); 682 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN; 683 WREG32(RADEON_AIC_CNTL, tmp); 684 r100_pci_gart_tlb_flush(rdev); 685 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n", 686 (unsigned)(rdev->mc.gtt_size >> 20), 687 (unsigned long long)rdev->gart.table_addr); 688 rdev->gart.ready = true; 689 return 0; 690 } 691 692 void r100_pci_gart_disable(struct radeon_device *rdev) 693 { 694 uint32_t tmp; 695 696 /* discard memory request outside of configured range */ 697 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; 698 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN); 699 WREG32(RADEON_AIC_LO_ADDR, 0); 700 WREG32(RADEON_AIC_HI_ADDR, 0); 701 } 702 703 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags) 704 { 705 return addr; 706 } 707 708 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i, 709 uint64_t entry) 710 { 711 u32 *gtt = rdev->gart.ptr; 712 gtt[i] = cpu_to_le32(lower_32_bits(entry)); 713 } 714 715 void r100_pci_gart_fini(struct radeon_device *rdev) 716 { 717 radeon_gart_fini(rdev); 718 r100_pci_gart_disable(rdev); 719 radeon_gart_table_ram_free(rdev); 720 } 721 722 int r100_irq_set(struct radeon_device *rdev) 723 { 724 uint32_t tmp = 0; 725 726 if (!rdev->irq.installed) { 727 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 728 WREG32(R_000040_GEN_INT_CNTL, 0); 729 return -EINVAL; 730 } 731 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 732 tmp |= RADEON_SW_INT_ENABLE; 733 } 734 if (rdev->irq.crtc_vblank_int[0] || 735 atomic_read(&rdev->irq.pflip[0])) { 736 tmp |= RADEON_CRTC_VBLANK_MASK; 737 } 738 if (rdev->irq.crtc_vblank_int[1] || 739 atomic_read(&rdev->irq.pflip[1])) { 740 tmp |= RADEON_CRTC2_VBLANK_MASK; 741 } 742 if (rdev->irq.hpd[0]) { 743 tmp |= RADEON_FP_DETECT_MASK; 744 } 745 if (rdev->irq.hpd[1]) { 746 tmp |= RADEON_FP2_DETECT_MASK; 747 } 748 WREG32(RADEON_GEN_INT_CNTL, tmp); 749 750 /* read back to post the write */ 751 RREG32(RADEON_GEN_INT_CNTL); 752 753 return 0; 754 } 755 756 void r100_irq_disable(struct radeon_device *rdev) 757 { 758 u32 tmp; 759 760 WREG32(R_000040_GEN_INT_CNTL, 0); 761 /* Wait and acknowledge irq */ 762 mdelay(1); 763 tmp = RREG32(R_000044_GEN_INT_STATUS); 764 WREG32(R_000044_GEN_INT_STATUS, tmp); 765 } 766 767 static uint32_t r100_irq_ack(struct radeon_device *rdev) 768 { 769 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS); 770 uint32_t irq_mask = RADEON_SW_INT_TEST | 771 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT | 772 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT; 773 774 if (irqs) { 775 WREG32(RADEON_GEN_INT_STATUS, irqs); 776 } 777 return irqs & irq_mask; 778 } 779 780 int r100_irq_process(struct radeon_device *rdev) 781 { 782 uint32_t status, msi_rearm; 783 bool queue_hotplug = false; 784 785 status = r100_irq_ack(rdev); 786 if (!status) { 787 return IRQ_NONE; 788 } 789 if (rdev->shutdown) { 790 return IRQ_NONE; 791 } 792 while (status) { 793 /* SW interrupt */ 794 if (status & RADEON_SW_INT_TEST) { 795 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 796 } 797 /* Vertical blank interrupts */ 798 if (status & RADEON_CRTC_VBLANK_STAT) { 799 if (rdev->irq.crtc_vblank_int[0]) { 800 drm_handle_vblank(rdev->ddev, 0); 801 rdev->pm.vblank_sync = true; 802 wake_up(&rdev->irq.vblank_queue); 803 } 804 if (atomic_read(&rdev->irq.pflip[0])) 805 radeon_crtc_handle_vblank(rdev, 0); 806 } 807 if (status & RADEON_CRTC2_VBLANK_STAT) { 808 if (rdev->irq.crtc_vblank_int[1]) { 809 drm_handle_vblank(rdev->ddev, 1); 810 rdev->pm.vblank_sync = true; 811 wake_up(&rdev->irq.vblank_queue); 812 } 813 if (atomic_read(&rdev->irq.pflip[1])) 814 radeon_crtc_handle_vblank(rdev, 1); 815 } 816 if (status & RADEON_FP_DETECT_STAT) { 817 queue_hotplug = true; 818 DRM_DEBUG("HPD1\n"); 819 } 820 if (status & RADEON_FP2_DETECT_STAT) { 821 queue_hotplug = true; 822 DRM_DEBUG("HPD2\n"); 823 } 824 status = r100_irq_ack(rdev); 825 } 826 if (queue_hotplug) 827 schedule_delayed_work(&rdev->hotplug_work, 0); 828 if (rdev->msi_enabled) { 829 switch (rdev->family) { 830 case CHIP_RS400: 831 case CHIP_RS480: 832 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM; 833 WREG32(RADEON_AIC_CNTL, msi_rearm); 834 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM); 835 break; 836 default: 837 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); 838 break; 839 } 840 } 841 return IRQ_HANDLED; 842 } 843 844 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc) 845 { 846 if (crtc == 0) 847 return RREG32(RADEON_CRTC_CRNT_FRAME); 848 else 849 return RREG32(RADEON_CRTC2_CRNT_FRAME); 850 } 851 852 /** 853 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer 854 * @rdev: radeon device structure 855 * @ring: ring buffer struct for emitting packets 856 */ 857 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring) 858 { 859 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 860 radeon_ring_write(ring, rdev->config.r100.hdp_cntl | 861 RADEON_HDP_READ_BUFFER_INVALIDATE); 862 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 863 radeon_ring_write(ring, rdev->config.r100.hdp_cntl); 864 } 865 866 /* Who ever call radeon_fence_emit should call ring_lock and ask 867 * for enough space (today caller are ib schedule and buffer move) */ 868 void r100_fence_ring_emit(struct radeon_device *rdev, 869 struct radeon_fence *fence) 870 { 871 struct radeon_ring *ring = &rdev->ring[fence->ring]; 872 873 /* We have to make sure that caches are flushed before 874 * CPU might read something from VRAM. */ 875 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0)); 876 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL); 877 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0)); 878 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL); 879 /* Wait until IDLE & CLEAN */ 880 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 881 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN); 882 r100_ring_hdp_flush(rdev, ring); 883 /* Emit fence sequence & fire IRQ */ 884 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0)); 885 radeon_ring_write(ring, fence->seq); 886 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0)); 887 radeon_ring_write(ring, RADEON_SW_INT_FIRE); 888 } 889 890 bool r100_semaphore_ring_emit(struct radeon_device *rdev, 891 struct radeon_ring *ring, 892 struct radeon_semaphore *semaphore, 893 bool emit_wait) 894 { 895 /* Unused on older asics, since we don't have semaphores or multiple rings */ 896 BUG(); 897 return false; 898 } 899 900 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev, 901 uint64_t src_offset, 902 uint64_t dst_offset, 903 unsigned num_gpu_pages, 904 struct dma_resv *resv) 905 { 906 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 907 struct radeon_fence *fence; 908 uint32_t cur_pages; 909 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE; 910 uint32_t pitch; 911 uint32_t stride_pixels; 912 unsigned ndw; 913 int num_loops; 914 int r = 0; 915 916 /* radeon limited to 16k stride */ 917 stride_bytes &= 0x3fff; 918 /* radeon pitch is /64 */ 919 pitch = stride_bytes / 64; 920 stride_pixels = stride_bytes / 4; 921 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191); 922 923 /* Ask for enough room for blit + flush + fence */ 924 ndw = 64 + (10 * num_loops); 925 r = radeon_ring_lock(rdev, ring, ndw); 926 if (r) { 927 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw); 928 return ERR_PTR(-EINVAL); 929 } 930 while (num_gpu_pages > 0) { 931 cur_pages = num_gpu_pages; 932 if (cur_pages > 8191) { 933 cur_pages = 8191; 934 } 935 num_gpu_pages -= cur_pages; 936 937 /* pages are in Y direction - height 938 page width in X direction - width */ 939 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8)); 940 radeon_ring_write(ring, 941 RADEON_GMC_SRC_PITCH_OFFSET_CNTL | 942 RADEON_GMC_DST_PITCH_OFFSET_CNTL | 943 RADEON_GMC_SRC_CLIPPING | 944 RADEON_GMC_DST_CLIPPING | 945 RADEON_GMC_BRUSH_NONE | 946 (RADEON_COLOR_FORMAT_ARGB8888 << 8) | 947 RADEON_GMC_SRC_DATATYPE_COLOR | 948 RADEON_ROP3_S | 949 RADEON_DP_SRC_SOURCE_MEMORY | 950 RADEON_GMC_CLR_CMP_CNTL_DIS | 951 RADEON_GMC_WR_MSK_DIS); 952 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10)); 953 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10)); 954 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16)); 955 radeon_ring_write(ring, 0); 956 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16)); 957 radeon_ring_write(ring, num_gpu_pages); 958 radeon_ring_write(ring, num_gpu_pages); 959 radeon_ring_write(ring, cur_pages | (stride_pixels << 16)); 960 } 961 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0)); 962 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL); 963 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 964 radeon_ring_write(ring, 965 RADEON_WAIT_2D_IDLECLEAN | 966 RADEON_WAIT_HOST_IDLECLEAN | 967 RADEON_WAIT_DMA_GUI_IDLE); 968 r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX); 969 if (r) { 970 radeon_ring_unlock_undo(rdev, ring); 971 return ERR_PTR(r); 972 } 973 radeon_ring_unlock_commit(rdev, ring, false); 974 return fence; 975 } 976 977 static int r100_cp_wait_for_idle(struct radeon_device *rdev) 978 { 979 unsigned i; 980 u32 tmp; 981 982 for (i = 0; i < rdev->usec_timeout; i++) { 983 tmp = RREG32(R_000E40_RBBM_STATUS); 984 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) { 985 return 0; 986 } 987 udelay(1); 988 } 989 return -1; 990 } 991 992 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring) 993 { 994 int r; 995 996 r = radeon_ring_lock(rdev, ring, 2); 997 if (r) { 998 return; 999 } 1000 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0)); 1001 radeon_ring_write(ring, 1002 RADEON_ISYNC_ANY2D_IDLE3D | 1003 RADEON_ISYNC_ANY3D_IDLE2D | 1004 RADEON_ISYNC_WAIT_IDLEGUI | 1005 RADEON_ISYNC_CPSCRATCH_IDLEGUI); 1006 radeon_ring_unlock_commit(rdev, ring, false); 1007 } 1008 1009 1010 /* Load the microcode for the CP */ 1011 static int r100_cp_init_microcode(struct radeon_device *rdev) 1012 { 1013 const char *fw_name = NULL; 1014 int err; 1015 1016 DRM_DEBUG_KMS("\n"); 1017 1018 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || 1019 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || 1020 (rdev->family == CHIP_RS200)) { 1021 DRM_INFO("Loading R100 Microcode\n"); 1022 fw_name = FIRMWARE_R100; 1023 } else if ((rdev->family == CHIP_R200) || 1024 (rdev->family == CHIP_RV250) || 1025 (rdev->family == CHIP_RV280) || 1026 (rdev->family == CHIP_RS300)) { 1027 DRM_INFO("Loading R200 Microcode\n"); 1028 fw_name = FIRMWARE_R200; 1029 } else if ((rdev->family == CHIP_R300) || 1030 (rdev->family == CHIP_R350) || 1031 (rdev->family == CHIP_RV350) || 1032 (rdev->family == CHIP_RV380) || 1033 (rdev->family == CHIP_RS400) || 1034 (rdev->family == CHIP_RS480)) { 1035 DRM_INFO("Loading R300 Microcode\n"); 1036 fw_name = FIRMWARE_R300; 1037 } else if ((rdev->family == CHIP_R420) || 1038 (rdev->family == CHIP_R423) || 1039 (rdev->family == CHIP_RV410)) { 1040 DRM_INFO("Loading R400 Microcode\n"); 1041 fw_name = FIRMWARE_R420; 1042 } else if ((rdev->family == CHIP_RS690) || 1043 (rdev->family == CHIP_RS740)) { 1044 DRM_INFO("Loading RS690/RS740 Microcode\n"); 1045 fw_name = FIRMWARE_RS690; 1046 } else if (rdev->family == CHIP_RS600) { 1047 DRM_INFO("Loading RS600 Microcode\n"); 1048 fw_name = FIRMWARE_RS600; 1049 } else if ((rdev->family == CHIP_RV515) || 1050 (rdev->family == CHIP_R520) || 1051 (rdev->family == CHIP_RV530) || 1052 (rdev->family == CHIP_R580) || 1053 (rdev->family == CHIP_RV560) || 1054 (rdev->family == CHIP_RV570)) { 1055 DRM_INFO("Loading R500 Microcode\n"); 1056 fw_name = FIRMWARE_R520; 1057 } 1058 1059 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 1060 if (err) { 1061 pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name); 1062 } else if (rdev->me_fw->size % 8) { 1063 pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n", 1064 rdev->me_fw->size, fw_name); 1065 err = -EINVAL; 1066 release_firmware(rdev->me_fw); 1067 rdev->me_fw = NULL; 1068 } 1069 return err; 1070 } 1071 1072 u32 r100_gfx_get_rptr(struct radeon_device *rdev, 1073 struct radeon_ring *ring) 1074 { 1075 u32 rptr; 1076 1077 if (rdev->wb.enabled) 1078 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]); 1079 else 1080 rptr = RREG32(RADEON_CP_RB_RPTR); 1081 1082 return rptr; 1083 } 1084 1085 u32 r100_gfx_get_wptr(struct radeon_device *rdev, 1086 struct radeon_ring *ring) 1087 { 1088 return RREG32(RADEON_CP_RB_WPTR); 1089 } 1090 1091 void r100_gfx_set_wptr(struct radeon_device *rdev, 1092 struct radeon_ring *ring) 1093 { 1094 WREG32(RADEON_CP_RB_WPTR, ring->wptr); 1095 (void)RREG32(RADEON_CP_RB_WPTR); 1096 } 1097 1098 static void r100_cp_load_microcode(struct radeon_device *rdev) 1099 { 1100 const __be32 *fw_data; 1101 int i, size; 1102 1103 if (r100_gui_wait_for_idle(rdev)) { 1104 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n"); 1105 } 1106 1107 if (rdev->me_fw) { 1108 size = rdev->me_fw->size / 4; 1109 fw_data = (const __be32 *)&rdev->me_fw->data[0]; 1110 WREG32(RADEON_CP_ME_RAM_ADDR, 0); 1111 for (i = 0; i < size; i += 2) { 1112 WREG32(RADEON_CP_ME_RAM_DATAH, 1113 be32_to_cpup(&fw_data[i])); 1114 WREG32(RADEON_CP_ME_RAM_DATAL, 1115 be32_to_cpup(&fw_data[i + 1])); 1116 } 1117 } 1118 } 1119 1120 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) 1121 { 1122 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1123 unsigned rb_bufsz; 1124 unsigned rb_blksz; 1125 unsigned max_fetch; 1126 unsigned pre_write_timer; 1127 unsigned pre_write_limit; 1128 unsigned indirect2_start; 1129 unsigned indirect1_start; 1130 uint32_t tmp; 1131 int r; 1132 1133 r100_debugfs_cp_init(rdev); 1134 if (!rdev->me_fw) { 1135 r = r100_cp_init_microcode(rdev); 1136 if (r) { 1137 DRM_ERROR("Failed to load firmware!\n"); 1138 return r; 1139 } 1140 } 1141 1142 /* Align ring size */ 1143 rb_bufsz = order_base_2(ring_size / 8); 1144 ring_size = (1 << (rb_bufsz + 1)) * 4; 1145 r100_cp_load_microcode(rdev); 1146 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET, 1147 RADEON_CP_PACKET2); 1148 if (r) { 1149 return r; 1150 } 1151 /* Each time the cp read 1024 bytes (16 dword/quadword) update 1152 * the rptr copy in system ram */ 1153 rb_blksz = 9; 1154 /* cp will read 128bytes at a time (4 dwords) */ 1155 max_fetch = 1; 1156 ring->align_mask = 16 - 1; 1157 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */ 1158 pre_write_timer = 64; 1159 /* Force CP_RB_WPTR write if written more than one time before the 1160 * delay expire 1161 */ 1162 pre_write_limit = 0; 1163 /* Setup the cp cache like this (cache size is 96 dwords) : 1164 * RING 0 to 15 1165 * INDIRECT1 16 to 79 1166 * INDIRECT2 80 to 95 1167 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) 1168 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords)) 1169 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) 1170 * Idea being that most of the gpu cmd will be through indirect1 buffer 1171 * so it gets the bigger cache. 1172 */ 1173 indirect2_start = 80; 1174 indirect1_start = 16; 1175 /* cp setup */ 1176 WREG32(0x718, pre_write_timer | (pre_write_limit << 28)); 1177 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) | 1178 REG_SET(RADEON_RB_BLKSZ, rb_blksz) | 1179 REG_SET(RADEON_MAX_FETCH, max_fetch)); 1180 #ifdef __BIG_ENDIAN 1181 tmp |= RADEON_BUF_SWAP_32BIT; 1182 #endif 1183 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE); 1184 1185 /* Set ring address */ 1186 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr); 1187 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr); 1188 /* Force read & write ptr to 0 */ 1189 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE); 1190 WREG32(RADEON_CP_RB_RPTR_WR, 0); 1191 ring->wptr = 0; 1192 WREG32(RADEON_CP_RB_WPTR, ring->wptr); 1193 1194 /* set the wb address whether it's enabled or not */ 1195 WREG32(R_00070C_CP_RB_RPTR_ADDR, 1196 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2)); 1197 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET); 1198 1199 if (rdev->wb.enabled) 1200 WREG32(R_000770_SCRATCH_UMSK, 0xff); 1201 else { 1202 tmp |= RADEON_RB_NO_UPDATE; 1203 WREG32(R_000770_SCRATCH_UMSK, 0); 1204 } 1205 1206 WREG32(RADEON_CP_RB_CNTL, tmp); 1207 udelay(10); 1208 /* Set cp mode to bus mastering & enable cp*/ 1209 WREG32(RADEON_CP_CSQ_MODE, 1210 REG_SET(RADEON_INDIRECT2_START, indirect2_start) | 1211 REG_SET(RADEON_INDIRECT1_START, indirect1_start)); 1212 WREG32(RADEON_CP_RB_WPTR_DELAY, 0); 1213 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D); 1214 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM); 1215 1216 /* at this point everything should be setup correctly to enable master */ 1217 pci_set_master(rdev->pdev); 1218 1219 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1220 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 1221 if (r) { 1222 DRM_ERROR("radeon: cp isn't working (%d).\n", r); 1223 return r; 1224 } 1225 ring->ready = true; 1226 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 1227 1228 if (!ring->rptr_save_reg /* not resuming from suspend */ 1229 && radeon_ring_supports_scratch_reg(rdev, ring)) { 1230 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 1231 if (r) { 1232 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 1233 ring->rptr_save_reg = 0; 1234 } 1235 } 1236 return 0; 1237 } 1238 1239 void r100_cp_fini(struct radeon_device *rdev) 1240 { 1241 if (r100_cp_wait_for_idle(rdev)) { 1242 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n"); 1243 } 1244 /* Disable ring */ 1245 r100_cp_disable(rdev); 1246 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg); 1247 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1248 DRM_INFO("radeon: cp finalized\n"); 1249 } 1250 1251 void r100_cp_disable(struct radeon_device *rdev) 1252 { 1253 /* Disable ring */ 1254 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1255 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1256 WREG32(RADEON_CP_CSQ_MODE, 0); 1257 WREG32(RADEON_CP_CSQ_CNTL, 0); 1258 WREG32(R_000770_SCRATCH_UMSK, 0); 1259 if (r100_gui_wait_for_idle(rdev)) { 1260 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n"); 1261 } 1262 } 1263 1264 /* 1265 * CS functions 1266 */ 1267 int r100_reloc_pitch_offset(struct radeon_cs_parser *p, 1268 struct radeon_cs_packet *pkt, 1269 unsigned idx, 1270 unsigned reg) 1271 { 1272 int r; 1273 u32 tile_flags = 0; 1274 u32 tmp; 1275 struct radeon_bo_list *reloc; 1276 u32 value; 1277 1278 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1279 if (r) { 1280 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1281 idx, reg); 1282 radeon_cs_dump_packet(p, pkt); 1283 return r; 1284 } 1285 1286 value = radeon_get_ib_value(p, idx); 1287 tmp = value & 0x003fffff; 1288 tmp += (((u32)reloc->gpu_offset) >> 10); 1289 1290 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1291 if (reloc->tiling_flags & RADEON_TILING_MACRO) 1292 tile_flags |= RADEON_DST_TILE_MACRO; 1293 if (reloc->tiling_flags & RADEON_TILING_MICRO) { 1294 if (reg == RADEON_SRC_PITCH_OFFSET) { 1295 DRM_ERROR("Cannot src blit from microtiled surface\n"); 1296 radeon_cs_dump_packet(p, pkt); 1297 return -EINVAL; 1298 } 1299 tile_flags |= RADEON_DST_TILE_MICRO; 1300 } 1301 1302 tmp |= tile_flags; 1303 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp; 1304 } else 1305 p->ib.ptr[idx] = (value & 0xffc00000) | tmp; 1306 return 0; 1307 } 1308 1309 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p, 1310 struct radeon_cs_packet *pkt, 1311 int idx) 1312 { 1313 unsigned c, i; 1314 struct radeon_bo_list *reloc; 1315 struct r100_cs_track *track; 1316 int r = 0; 1317 volatile uint32_t *ib; 1318 u32 idx_value; 1319 1320 ib = p->ib.ptr; 1321 track = (struct r100_cs_track *)p->track; 1322 c = radeon_get_ib_value(p, idx++) & 0x1F; 1323 if (c > 16) { 1324 DRM_ERROR("Only 16 vertex buffers are allowed %d\n", 1325 pkt->opcode); 1326 radeon_cs_dump_packet(p, pkt); 1327 return -EINVAL; 1328 } 1329 track->num_arrays = c; 1330 for (i = 0; i < (c - 1); i+=2, idx+=3) { 1331 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1332 if (r) { 1333 DRM_ERROR("No reloc for packet3 %d\n", 1334 pkt->opcode); 1335 radeon_cs_dump_packet(p, pkt); 1336 return r; 1337 } 1338 idx_value = radeon_get_ib_value(p, idx); 1339 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset); 1340 1341 track->arrays[i + 0].esize = idx_value >> 8; 1342 track->arrays[i + 0].robj = reloc->robj; 1343 track->arrays[i + 0].esize &= 0x7F; 1344 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1345 if (r) { 1346 DRM_ERROR("No reloc for packet3 %d\n", 1347 pkt->opcode); 1348 radeon_cs_dump_packet(p, pkt); 1349 return r; 1350 } 1351 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset); 1352 track->arrays[i + 1].robj = reloc->robj; 1353 track->arrays[i + 1].esize = idx_value >> 24; 1354 track->arrays[i + 1].esize &= 0x7F; 1355 } 1356 if (c & 1) { 1357 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1358 if (r) { 1359 DRM_ERROR("No reloc for packet3 %d\n", 1360 pkt->opcode); 1361 radeon_cs_dump_packet(p, pkt); 1362 return r; 1363 } 1364 idx_value = radeon_get_ib_value(p, idx); 1365 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset); 1366 track->arrays[i + 0].robj = reloc->robj; 1367 track->arrays[i + 0].esize = idx_value >> 8; 1368 track->arrays[i + 0].esize &= 0x7F; 1369 } 1370 return r; 1371 } 1372 1373 int r100_cs_parse_packet0(struct radeon_cs_parser *p, 1374 struct radeon_cs_packet *pkt, 1375 const unsigned *auth, unsigned n, 1376 radeon_packet0_check_t check) 1377 { 1378 unsigned reg; 1379 unsigned i, j, m; 1380 unsigned idx; 1381 int r; 1382 1383 idx = pkt->idx + 1; 1384 reg = pkt->reg; 1385 /* Check that register fall into register range 1386 * determined by the number of entry (n) in the 1387 * safe register bitmap. 1388 */ 1389 if (pkt->one_reg_wr) { 1390 if ((reg >> 7) > n) { 1391 return -EINVAL; 1392 } 1393 } else { 1394 if (((reg + (pkt->count << 2)) >> 7) > n) { 1395 return -EINVAL; 1396 } 1397 } 1398 for (i = 0; i <= pkt->count; i++, idx++) { 1399 j = (reg >> 7); 1400 m = 1 << ((reg >> 2) & 31); 1401 if (auth[j] & m) { 1402 r = check(p, pkt, idx, reg); 1403 if (r) { 1404 return r; 1405 } 1406 } 1407 if (pkt->one_reg_wr) { 1408 if (!(auth[j] & m)) { 1409 break; 1410 } 1411 } else { 1412 reg += 4; 1413 } 1414 } 1415 return 0; 1416 } 1417 1418 /** 1419 * r100_cs_packet_parse_vline() - parse userspace VLINE packet 1420 * @p: parser structure holding parsing context. 1421 * 1422 * Userspace sends a special sequence for VLINE waits. 1423 * PACKET0 - VLINE_START_END + value 1424 * PACKET0 - WAIT_UNTIL +_value 1425 * RELOC (P3) - crtc_id in reloc. 1426 * 1427 * This function parses this and relocates the VLINE START END 1428 * and WAIT UNTIL packets to the correct crtc. 1429 * It also detects a switched off crtc and nulls out the 1430 * wait in that case. 1431 */ 1432 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) 1433 { 1434 struct drm_crtc *crtc; 1435 struct radeon_crtc *radeon_crtc; 1436 struct radeon_cs_packet p3reloc, waitreloc; 1437 int crtc_id; 1438 int r; 1439 uint32_t header, h_idx, reg; 1440 volatile uint32_t *ib; 1441 1442 ib = p->ib.ptr; 1443 1444 /* parse the wait until */ 1445 r = radeon_cs_packet_parse(p, &waitreloc, p->idx); 1446 if (r) 1447 return r; 1448 1449 /* check its a wait until and only 1 count */ 1450 if (waitreloc.reg != RADEON_WAIT_UNTIL || 1451 waitreloc.count != 0) { 1452 DRM_ERROR("vline wait had illegal wait until segment\n"); 1453 return -EINVAL; 1454 } 1455 1456 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) { 1457 DRM_ERROR("vline wait had illegal wait until\n"); 1458 return -EINVAL; 1459 } 1460 1461 /* jump over the NOP */ 1462 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2); 1463 if (r) 1464 return r; 1465 1466 h_idx = p->idx - 2; 1467 p->idx += waitreloc.count + 2; 1468 p->idx += p3reloc.count + 2; 1469 1470 header = radeon_get_ib_value(p, h_idx); 1471 crtc_id = radeon_get_ib_value(p, h_idx + 5); 1472 reg = R100_CP_PACKET0_GET_REG(header); 1473 crtc = drm_crtc_find(p->rdev->ddev, p->filp, crtc_id); 1474 if (!crtc) { 1475 DRM_ERROR("cannot find crtc %d\n", crtc_id); 1476 return -ENOENT; 1477 } 1478 radeon_crtc = to_radeon_crtc(crtc); 1479 crtc_id = radeon_crtc->crtc_id; 1480 1481 if (!crtc->enabled) { 1482 /* if the CRTC isn't enabled - we need to nop out the wait until */ 1483 ib[h_idx + 2] = PACKET2(0); 1484 ib[h_idx + 3] = PACKET2(0); 1485 } else if (crtc_id == 1) { 1486 switch (reg) { 1487 case AVIVO_D1MODE_VLINE_START_END: 1488 header &= ~R300_CP_PACKET0_REG_MASK; 1489 header |= AVIVO_D2MODE_VLINE_START_END >> 2; 1490 break; 1491 case RADEON_CRTC_GUI_TRIG_VLINE: 1492 header &= ~R300_CP_PACKET0_REG_MASK; 1493 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2; 1494 break; 1495 default: 1496 DRM_ERROR("unknown crtc reloc\n"); 1497 return -EINVAL; 1498 } 1499 ib[h_idx] = header; 1500 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1; 1501 } 1502 1503 return 0; 1504 } 1505 1506 static int r100_get_vtx_size(uint32_t vtx_fmt) 1507 { 1508 int vtx_size; 1509 vtx_size = 2; 1510 /* ordered according to bits in spec */ 1511 if (vtx_fmt & RADEON_SE_VTX_FMT_W0) 1512 vtx_size++; 1513 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR) 1514 vtx_size += 3; 1515 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA) 1516 vtx_size++; 1517 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR) 1518 vtx_size++; 1519 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC) 1520 vtx_size += 3; 1521 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG) 1522 vtx_size++; 1523 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC) 1524 vtx_size++; 1525 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0) 1526 vtx_size += 2; 1527 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1) 1528 vtx_size += 2; 1529 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1) 1530 vtx_size++; 1531 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2) 1532 vtx_size += 2; 1533 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2) 1534 vtx_size++; 1535 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3) 1536 vtx_size += 2; 1537 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3) 1538 vtx_size++; 1539 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0) 1540 vtx_size++; 1541 /* blend weight */ 1542 if (vtx_fmt & (0x7 << 15)) 1543 vtx_size += (vtx_fmt >> 15) & 0x7; 1544 if (vtx_fmt & RADEON_SE_VTX_FMT_N0) 1545 vtx_size += 3; 1546 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1) 1547 vtx_size += 2; 1548 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1) 1549 vtx_size++; 1550 if (vtx_fmt & RADEON_SE_VTX_FMT_W1) 1551 vtx_size++; 1552 if (vtx_fmt & RADEON_SE_VTX_FMT_N1) 1553 vtx_size++; 1554 if (vtx_fmt & RADEON_SE_VTX_FMT_Z) 1555 vtx_size++; 1556 return vtx_size; 1557 } 1558 1559 static int r100_packet0_check(struct radeon_cs_parser *p, 1560 struct radeon_cs_packet *pkt, 1561 unsigned idx, unsigned reg) 1562 { 1563 struct radeon_bo_list *reloc; 1564 struct r100_cs_track *track; 1565 volatile uint32_t *ib; 1566 uint32_t tmp; 1567 int r; 1568 int i, face; 1569 u32 tile_flags = 0; 1570 u32 idx_value; 1571 1572 ib = p->ib.ptr; 1573 track = (struct r100_cs_track *)p->track; 1574 1575 idx_value = radeon_get_ib_value(p, idx); 1576 1577 switch (reg) { 1578 case RADEON_CRTC_GUI_TRIG_VLINE: 1579 r = r100_cs_packet_parse_vline(p); 1580 if (r) { 1581 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1582 idx, reg); 1583 radeon_cs_dump_packet(p, pkt); 1584 return r; 1585 } 1586 break; 1587 /* FIXME: only allow PACKET3 blit? easier to check for out of 1588 * range access */ 1589 case RADEON_DST_PITCH_OFFSET: 1590 case RADEON_SRC_PITCH_OFFSET: 1591 r = r100_reloc_pitch_offset(p, pkt, idx, reg); 1592 if (r) 1593 return r; 1594 break; 1595 case RADEON_RB3D_DEPTHOFFSET: 1596 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1597 if (r) { 1598 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1599 idx, reg); 1600 radeon_cs_dump_packet(p, pkt); 1601 return r; 1602 } 1603 track->zb.robj = reloc->robj; 1604 track->zb.offset = idx_value; 1605 track->zb_dirty = true; 1606 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1607 break; 1608 case RADEON_RB3D_COLOROFFSET: 1609 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1610 if (r) { 1611 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1612 idx, reg); 1613 radeon_cs_dump_packet(p, pkt); 1614 return r; 1615 } 1616 track->cb[0].robj = reloc->robj; 1617 track->cb[0].offset = idx_value; 1618 track->cb_dirty = true; 1619 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1620 break; 1621 case RADEON_PP_TXOFFSET_0: 1622 case RADEON_PP_TXOFFSET_1: 1623 case RADEON_PP_TXOFFSET_2: 1624 i = (reg - RADEON_PP_TXOFFSET_0) / 24; 1625 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1626 if (r) { 1627 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1628 idx, reg); 1629 radeon_cs_dump_packet(p, pkt); 1630 return r; 1631 } 1632 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1633 if (reloc->tiling_flags & RADEON_TILING_MACRO) 1634 tile_flags |= RADEON_TXO_MACRO_TILE; 1635 if (reloc->tiling_flags & RADEON_TILING_MICRO) 1636 tile_flags |= RADEON_TXO_MICRO_TILE_X2; 1637 1638 tmp = idx_value & ~(0x7 << 2); 1639 tmp |= tile_flags; 1640 ib[idx] = tmp + ((u32)reloc->gpu_offset); 1641 } else 1642 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1643 track->textures[i].robj = reloc->robj; 1644 track->tex_dirty = true; 1645 break; 1646 case RADEON_PP_CUBIC_OFFSET_T0_0: 1647 case RADEON_PP_CUBIC_OFFSET_T0_1: 1648 case RADEON_PP_CUBIC_OFFSET_T0_2: 1649 case RADEON_PP_CUBIC_OFFSET_T0_3: 1650 case RADEON_PP_CUBIC_OFFSET_T0_4: 1651 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4; 1652 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1653 if (r) { 1654 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1655 idx, reg); 1656 radeon_cs_dump_packet(p, pkt); 1657 return r; 1658 } 1659 track->textures[0].cube_info[i].offset = idx_value; 1660 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1661 track->textures[0].cube_info[i].robj = reloc->robj; 1662 track->tex_dirty = true; 1663 break; 1664 case RADEON_PP_CUBIC_OFFSET_T1_0: 1665 case RADEON_PP_CUBIC_OFFSET_T1_1: 1666 case RADEON_PP_CUBIC_OFFSET_T1_2: 1667 case RADEON_PP_CUBIC_OFFSET_T1_3: 1668 case RADEON_PP_CUBIC_OFFSET_T1_4: 1669 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4; 1670 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1671 if (r) { 1672 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1673 idx, reg); 1674 radeon_cs_dump_packet(p, pkt); 1675 return r; 1676 } 1677 track->textures[1].cube_info[i].offset = idx_value; 1678 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1679 track->textures[1].cube_info[i].robj = reloc->robj; 1680 track->tex_dirty = true; 1681 break; 1682 case RADEON_PP_CUBIC_OFFSET_T2_0: 1683 case RADEON_PP_CUBIC_OFFSET_T2_1: 1684 case RADEON_PP_CUBIC_OFFSET_T2_2: 1685 case RADEON_PP_CUBIC_OFFSET_T2_3: 1686 case RADEON_PP_CUBIC_OFFSET_T2_4: 1687 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4; 1688 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1689 if (r) { 1690 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1691 idx, reg); 1692 radeon_cs_dump_packet(p, pkt); 1693 return r; 1694 } 1695 track->textures[2].cube_info[i].offset = idx_value; 1696 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1697 track->textures[2].cube_info[i].robj = reloc->robj; 1698 track->tex_dirty = true; 1699 break; 1700 case RADEON_RE_WIDTH_HEIGHT: 1701 track->maxy = ((idx_value >> 16) & 0x7FF); 1702 track->cb_dirty = true; 1703 track->zb_dirty = true; 1704 break; 1705 case RADEON_RB3D_COLORPITCH: 1706 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1707 if (r) { 1708 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1709 idx, reg); 1710 radeon_cs_dump_packet(p, pkt); 1711 return r; 1712 } 1713 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1714 if (reloc->tiling_flags & RADEON_TILING_MACRO) 1715 tile_flags |= RADEON_COLOR_TILE_ENABLE; 1716 if (reloc->tiling_flags & RADEON_TILING_MICRO) 1717 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE; 1718 1719 tmp = idx_value & ~(0x7 << 16); 1720 tmp |= tile_flags; 1721 ib[idx] = tmp; 1722 } else 1723 ib[idx] = idx_value; 1724 1725 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK; 1726 track->cb_dirty = true; 1727 break; 1728 case RADEON_RB3D_DEPTHPITCH: 1729 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK; 1730 track->zb_dirty = true; 1731 break; 1732 case RADEON_RB3D_CNTL: 1733 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) { 1734 case 7: 1735 case 8: 1736 case 9: 1737 case 11: 1738 case 12: 1739 track->cb[0].cpp = 1; 1740 break; 1741 case 3: 1742 case 4: 1743 case 15: 1744 track->cb[0].cpp = 2; 1745 break; 1746 case 6: 1747 track->cb[0].cpp = 4; 1748 break; 1749 default: 1750 DRM_ERROR("Invalid color buffer format (%d) !\n", 1751 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f)); 1752 return -EINVAL; 1753 } 1754 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE); 1755 track->cb_dirty = true; 1756 track->zb_dirty = true; 1757 break; 1758 case RADEON_RB3D_ZSTENCILCNTL: 1759 switch (idx_value & 0xf) { 1760 case 0: 1761 track->zb.cpp = 2; 1762 break; 1763 case 2: 1764 case 3: 1765 case 4: 1766 case 5: 1767 case 9: 1768 case 11: 1769 track->zb.cpp = 4; 1770 break; 1771 default: 1772 break; 1773 } 1774 track->zb_dirty = true; 1775 break; 1776 case RADEON_RB3D_ZPASS_ADDR: 1777 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1778 if (r) { 1779 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1780 idx, reg); 1781 radeon_cs_dump_packet(p, pkt); 1782 return r; 1783 } 1784 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1785 break; 1786 case RADEON_PP_CNTL: 1787 { 1788 uint32_t temp = idx_value >> 4; 1789 for (i = 0; i < track->num_texture; i++) 1790 track->textures[i].enabled = !!(temp & (1 << i)); 1791 track->tex_dirty = true; 1792 } 1793 break; 1794 case RADEON_SE_VF_CNTL: 1795 track->vap_vf_cntl = idx_value; 1796 break; 1797 case RADEON_SE_VTX_FMT: 1798 track->vtx_size = r100_get_vtx_size(idx_value); 1799 break; 1800 case RADEON_PP_TEX_SIZE_0: 1801 case RADEON_PP_TEX_SIZE_1: 1802 case RADEON_PP_TEX_SIZE_2: 1803 i = (reg - RADEON_PP_TEX_SIZE_0) / 8; 1804 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1; 1805 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1; 1806 track->tex_dirty = true; 1807 break; 1808 case RADEON_PP_TEX_PITCH_0: 1809 case RADEON_PP_TEX_PITCH_1: 1810 case RADEON_PP_TEX_PITCH_2: 1811 i = (reg - RADEON_PP_TEX_PITCH_0) / 8; 1812 track->textures[i].pitch = idx_value + 32; 1813 track->tex_dirty = true; 1814 break; 1815 case RADEON_PP_TXFILTER_0: 1816 case RADEON_PP_TXFILTER_1: 1817 case RADEON_PP_TXFILTER_2: 1818 i = (reg - RADEON_PP_TXFILTER_0) / 24; 1819 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK) 1820 >> RADEON_MAX_MIP_LEVEL_SHIFT); 1821 tmp = (idx_value >> 23) & 0x7; 1822 if (tmp == 2 || tmp == 6) 1823 track->textures[i].roundup_w = false; 1824 tmp = (idx_value >> 27) & 0x7; 1825 if (tmp == 2 || tmp == 6) 1826 track->textures[i].roundup_h = false; 1827 track->tex_dirty = true; 1828 break; 1829 case RADEON_PP_TXFORMAT_0: 1830 case RADEON_PP_TXFORMAT_1: 1831 case RADEON_PP_TXFORMAT_2: 1832 i = (reg - RADEON_PP_TXFORMAT_0) / 24; 1833 if (idx_value & RADEON_TXFORMAT_NON_POWER2) { 1834 track->textures[i].use_pitch = true; 1835 } else { 1836 track->textures[i].use_pitch = false; 1837 track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT); 1838 track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT); 1839 } 1840 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE) 1841 track->textures[i].tex_coord_type = 2; 1842 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) { 1843 case RADEON_TXFORMAT_I8: 1844 case RADEON_TXFORMAT_RGB332: 1845 case RADEON_TXFORMAT_Y8: 1846 track->textures[i].cpp = 1; 1847 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1848 break; 1849 case RADEON_TXFORMAT_AI88: 1850 case RADEON_TXFORMAT_ARGB1555: 1851 case RADEON_TXFORMAT_RGB565: 1852 case RADEON_TXFORMAT_ARGB4444: 1853 case RADEON_TXFORMAT_VYUY422: 1854 case RADEON_TXFORMAT_YVYU422: 1855 case RADEON_TXFORMAT_SHADOW16: 1856 case RADEON_TXFORMAT_LDUDV655: 1857 case RADEON_TXFORMAT_DUDV88: 1858 track->textures[i].cpp = 2; 1859 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1860 break; 1861 case RADEON_TXFORMAT_ARGB8888: 1862 case RADEON_TXFORMAT_RGBA8888: 1863 case RADEON_TXFORMAT_SHADOW32: 1864 case RADEON_TXFORMAT_LDUDUV8888: 1865 track->textures[i].cpp = 4; 1866 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1867 break; 1868 case RADEON_TXFORMAT_DXT1: 1869 track->textures[i].cpp = 1; 1870 track->textures[i].compress_format = R100_TRACK_COMP_DXT1; 1871 break; 1872 case RADEON_TXFORMAT_DXT23: 1873 case RADEON_TXFORMAT_DXT45: 1874 track->textures[i].cpp = 1; 1875 track->textures[i].compress_format = R100_TRACK_COMP_DXT35; 1876 break; 1877 } 1878 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf); 1879 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf); 1880 track->tex_dirty = true; 1881 break; 1882 case RADEON_PP_CUBIC_FACES_0: 1883 case RADEON_PP_CUBIC_FACES_1: 1884 case RADEON_PP_CUBIC_FACES_2: 1885 tmp = idx_value; 1886 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4; 1887 for (face = 0; face < 4; face++) { 1888 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf); 1889 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf); 1890 } 1891 track->tex_dirty = true; 1892 break; 1893 default: 1894 pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx); 1895 return -EINVAL; 1896 } 1897 return 0; 1898 } 1899 1900 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p, 1901 struct radeon_cs_packet *pkt, 1902 struct radeon_bo *robj) 1903 { 1904 unsigned idx; 1905 u32 value; 1906 idx = pkt->idx + 1; 1907 value = radeon_get_ib_value(p, idx + 2); 1908 if ((value + 1) > radeon_bo_size(robj)) { 1909 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER " 1910 "(need %u have %lu) !\n", 1911 value + 1, 1912 radeon_bo_size(robj)); 1913 return -EINVAL; 1914 } 1915 return 0; 1916 } 1917 1918 static int r100_packet3_check(struct radeon_cs_parser *p, 1919 struct radeon_cs_packet *pkt) 1920 { 1921 struct radeon_bo_list *reloc; 1922 struct r100_cs_track *track; 1923 unsigned idx; 1924 volatile uint32_t *ib; 1925 int r; 1926 1927 ib = p->ib.ptr; 1928 idx = pkt->idx + 1; 1929 track = (struct r100_cs_track *)p->track; 1930 switch (pkt->opcode) { 1931 case PACKET3_3D_LOAD_VBPNTR: 1932 r = r100_packet3_load_vbpntr(p, pkt, idx); 1933 if (r) 1934 return r; 1935 break; 1936 case PACKET3_INDX_BUFFER: 1937 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1938 if (r) { 1939 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1940 radeon_cs_dump_packet(p, pkt); 1941 return r; 1942 } 1943 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset); 1944 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj); 1945 if (r) { 1946 return r; 1947 } 1948 break; 1949 case 0x23: 1950 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */ 1951 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1952 if (r) { 1953 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1954 radeon_cs_dump_packet(p, pkt); 1955 return r; 1956 } 1957 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset); 1958 track->num_arrays = 1; 1959 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2)); 1960 1961 track->arrays[0].robj = reloc->robj; 1962 track->arrays[0].esize = track->vtx_size; 1963 1964 track->max_indx = radeon_get_ib_value(p, idx+1); 1965 1966 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3); 1967 track->immd_dwords = pkt->count - 1; 1968 r = r100_cs_track_check(p->rdev, track); 1969 if (r) 1970 return r; 1971 break; 1972 case PACKET3_3D_DRAW_IMMD: 1973 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) { 1974 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1975 return -EINVAL; 1976 } 1977 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0)); 1978 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1979 track->immd_dwords = pkt->count - 1; 1980 r = r100_cs_track_check(p->rdev, track); 1981 if (r) 1982 return r; 1983 break; 1984 /* triggers drawing using in-packet vertex data */ 1985 case PACKET3_3D_DRAW_IMMD_2: 1986 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) { 1987 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1988 return -EINVAL; 1989 } 1990 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1991 track->immd_dwords = pkt->count; 1992 r = r100_cs_track_check(p->rdev, track); 1993 if (r) 1994 return r; 1995 break; 1996 /* triggers drawing using in-packet vertex data */ 1997 case PACKET3_3D_DRAW_VBUF_2: 1998 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1999 r = r100_cs_track_check(p->rdev, track); 2000 if (r) 2001 return r; 2002 break; 2003 /* triggers drawing of vertex buffers setup elsewhere */ 2004 case PACKET3_3D_DRAW_INDX_2: 2005 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 2006 r = r100_cs_track_check(p->rdev, track); 2007 if (r) 2008 return r; 2009 break; 2010 /* triggers drawing using indices to vertex buffer */ 2011 case PACKET3_3D_DRAW_VBUF: 2012 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 2013 r = r100_cs_track_check(p->rdev, track); 2014 if (r) 2015 return r; 2016 break; 2017 /* triggers drawing of vertex buffers setup elsewhere */ 2018 case PACKET3_3D_DRAW_INDX: 2019 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 2020 r = r100_cs_track_check(p->rdev, track); 2021 if (r) 2022 return r; 2023 break; 2024 /* triggers drawing using indices to vertex buffer */ 2025 case PACKET3_3D_CLEAR_HIZ: 2026 case PACKET3_3D_CLEAR_ZMASK: 2027 if (p->rdev->hyperz_filp != p->filp) 2028 return -EINVAL; 2029 break; 2030 case PACKET3_NOP: 2031 break; 2032 default: 2033 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); 2034 return -EINVAL; 2035 } 2036 return 0; 2037 } 2038 2039 int r100_cs_parse(struct radeon_cs_parser *p) 2040 { 2041 struct radeon_cs_packet pkt; 2042 struct r100_cs_track *track; 2043 int r; 2044 2045 track = kzalloc(sizeof(*track), GFP_KERNEL); 2046 if (!track) 2047 return -ENOMEM; 2048 r100_cs_track_clear(p->rdev, track); 2049 p->track = track; 2050 do { 2051 r = radeon_cs_packet_parse(p, &pkt, p->idx); 2052 if (r) { 2053 return r; 2054 } 2055 p->idx += pkt.count + 2; 2056 switch (pkt.type) { 2057 case RADEON_PACKET_TYPE0: 2058 if (p->rdev->family >= CHIP_R200) 2059 r = r100_cs_parse_packet0(p, &pkt, 2060 p->rdev->config.r100.reg_safe_bm, 2061 p->rdev->config.r100.reg_safe_bm_size, 2062 &r200_packet0_check); 2063 else 2064 r = r100_cs_parse_packet0(p, &pkt, 2065 p->rdev->config.r100.reg_safe_bm, 2066 p->rdev->config.r100.reg_safe_bm_size, 2067 &r100_packet0_check); 2068 break; 2069 case RADEON_PACKET_TYPE2: 2070 break; 2071 case RADEON_PACKET_TYPE3: 2072 r = r100_packet3_check(p, &pkt); 2073 break; 2074 default: 2075 DRM_ERROR("Unknown packet type %d !\n", 2076 pkt.type); 2077 return -EINVAL; 2078 } 2079 if (r) 2080 return r; 2081 } while (p->idx < p->chunk_ib->length_dw); 2082 return 0; 2083 } 2084 2085 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t) 2086 { 2087 DRM_ERROR("pitch %d\n", t->pitch); 2088 DRM_ERROR("use_pitch %d\n", t->use_pitch); 2089 DRM_ERROR("width %d\n", t->width); 2090 DRM_ERROR("width_11 %d\n", t->width_11); 2091 DRM_ERROR("height %d\n", t->height); 2092 DRM_ERROR("height_11 %d\n", t->height_11); 2093 DRM_ERROR("num levels %d\n", t->num_levels); 2094 DRM_ERROR("depth %d\n", t->txdepth); 2095 DRM_ERROR("bpp %d\n", t->cpp); 2096 DRM_ERROR("coordinate type %d\n", t->tex_coord_type); 2097 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w); 2098 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h); 2099 DRM_ERROR("compress format %d\n", t->compress_format); 2100 } 2101 2102 static int r100_track_compress_size(int compress_format, int w, int h) 2103 { 2104 int block_width, block_height, block_bytes; 2105 int wblocks, hblocks; 2106 int min_wblocks; 2107 int sz; 2108 2109 block_width = 4; 2110 block_height = 4; 2111 2112 switch (compress_format) { 2113 case R100_TRACK_COMP_DXT1: 2114 block_bytes = 8; 2115 min_wblocks = 4; 2116 break; 2117 default: 2118 case R100_TRACK_COMP_DXT35: 2119 block_bytes = 16; 2120 min_wblocks = 2; 2121 break; 2122 } 2123 2124 hblocks = (h + block_height - 1) / block_height; 2125 wblocks = (w + block_width - 1) / block_width; 2126 if (wblocks < min_wblocks) 2127 wblocks = min_wblocks; 2128 sz = wblocks * hblocks * block_bytes; 2129 return sz; 2130 } 2131 2132 static int r100_cs_track_cube(struct radeon_device *rdev, 2133 struct r100_cs_track *track, unsigned idx) 2134 { 2135 unsigned face, w, h; 2136 struct radeon_bo *cube_robj; 2137 unsigned long size; 2138 unsigned compress_format = track->textures[idx].compress_format; 2139 2140 for (face = 0; face < 5; face++) { 2141 cube_robj = track->textures[idx].cube_info[face].robj; 2142 w = track->textures[idx].cube_info[face].width; 2143 h = track->textures[idx].cube_info[face].height; 2144 2145 if (compress_format) { 2146 size = r100_track_compress_size(compress_format, w, h); 2147 } else 2148 size = w * h; 2149 size *= track->textures[idx].cpp; 2150 2151 size += track->textures[idx].cube_info[face].offset; 2152 2153 if (size > radeon_bo_size(cube_robj)) { 2154 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n", 2155 size, radeon_bo_size(cube_robj)); 2156 r100_cs_track_texture_print(&track->textures[idx]); 2157 return -1; 2158 } 2159 } 2160 return 0; 2161 } 2162 2163 static int r100_cs_track_texture_check(struct radeon_device *rdev, 2164 struct r100_cs_track *track) 2165 { 2166 struct radeon_bo *robj; 2167 unsigned long size; 2168 unsigned u, i, w, h, d; 2169 int ret; 2170 2171 for (u = 0; u < track->num_texture; u++) { 2172 if (!track->textures[u].enabled) 2173 continue; 2174 if (track->textures[u].lookup_disable) 2175 continue; 2176 robj = track->textures[u].robj; 2177 if (robj == NULL) { 2178 DRM_ERROR("No texture bound to unit %u\n", u); 2179 return -EINVAL; 2180 } 2181 size = 0; 2182 for (i = 0; i <= track->textures[u].num_levels; i++) { 2183 if (track->textures[u].use_pitch) { 2184 if (rdev->family < CHIP_R300) 2185 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i); 2186 else 2187 w = track->textures[u].pitch / (1 << i); 2188 } else { 2189 w = track->textures[u].width; 2190 if (rdev->family >= CHIP_RV515) 2191 w |= track->textures[u].width_11; 2192 w = w / (1 << i); 2193 if (track->textures[u].roundup_w) 2194 w = roundup_pow_of_two(w); 2195 } 2196 h = track->textures[u].height; 2197 if (rdev->family >= CHIP_RV515) 2198 h |= track->textures[u].height_11; 2199 h = h / (1 << i); 2200 if (track->textures[u].roundup_h) 2201 h = roundup_pow_of_two(h); 2202 if (track->textures[u].tex_coord_type == 1) { 2203 d = (1 << track->textures[u].txdepth) / (1 << i); 2204 if (!d) 2205 d = 1; 2206 } else { 2207 d = 1; 2208 } 2209 if (track->textures[u].compress_format) { 2210 2211 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d; 2212 /* compressed textures are block based */ 2213 } else 2214 size += w * h * d; 2215 } 2216 size *= track->textures[u].cpp; 2217 2218 switch (track->textures[u].tex_coord_type) { 2219 case 0: 2220 case 1: 2221 break; 2222 case 2: 2223 if (track->separate_cube) { 2224 ret = r100_cs_track_cube(rdev, track, u); 2225 if (ret) 2226 return ret; 2227 } else 2228 size *= 6; 2229 break; 2230 default: 2231 DRM_ERROR("Invalid texture coordinate type %u for unit " 2232 "%u\n", track->textures[u].tex_coord_type, u); 2233 return -EINVAL; 2234 } 2235 if (size > radeon_bo_size(robj)) { 2236 DRM_ERROR("Texture of unit %u needs %lu bytes but is " 2237 "%lu\n", u, size, radeon_bo_size(robj)); 2238 r100_cs_track_texture_print(&track->textures[u]); 2239 return -EINVAL; 2240 } 2241 } 2242 return 0; 2243 } 2244 2245 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track) 2246 { 2247 unsigned i; 2248 unsigned long size; 2249 unsigned prim_walk; 2250 unsigned nverts; 2251 unsigned num_cb = track->cb_dirty ? track->num_cb : 0; 2252 2253 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask && 2254 !track->blend_read_enable) 2255 num_cb = 0; 2256 2257 for (i = 0; i < num_cb; i++) { 2258 if (track->cb[i].robj == NULL) { 2259 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i); 2260 return -EINVAL; 2261 } 2262 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy; 2263 size += track->cb[i].offset; 2264 if (size > radeon_bo_size(track->cb[i].robj)) { 2265 DRM_ERROR("[drm] Buffer too small for color buffer %d " 2266 "(need %lu have %lu) !\n", i, size, 2267 radeon_bo_size(track->cb[i].robj)); 2268 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n", 2269 i, track->cb[i].pitch, track->cb[i].cpp, 2270 track->cb[i].offset, track->maxy); 2271 return -EINVAL; 2272 } 2273 } 2274 track->cb_dirty = false; 2275 2276 if (track->zb_dirty && track->z_enabled) { 2277 if (track->zb.robj == NULL) { 2278 DRM_ERROR("[drm] No buffer for z buffer !\n"); 2279 return -EINVAL; 2280 } 2281 size = track->zb.pitch * track->zb.cpp * track->maxy; 2282 size += track->zb.offset; 2283 if (size > radeon_bo_size(track->zb.robj)) { 2284 DRM_ERROR("[drm] Buffer too small for z buffer " 2285 "(need %lu have %lu) !\n", size, 2286 radeon_bo_size(track->zb.robj)); 2287 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n", 2288 track->zb.pitch, track->zb.cpp, 2289 track->zb.offset, track->maxy); 2290 return -EINVAL; 2291 } 2292 } 2293 track->zb_dirty = false; 2294 2295 if (track->aa_dirty && track->aaresolve) { 2296 if (track->aa.robj == NULL) { 2297 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i); 2298 return -EINVAL; 2299 } 2300 /* I believe the format comes from colorbuffer0. */ 2301 size = track->aa.pitch * track->cb[0].cpp * track->maxy; 2302 size += track->aa.offset; 2303 if (size > radeon_bo_size(track->aa.robj)) { 2304 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d " 2305 "(need %lu have %lu) !\n", i, size, 2306 radeon_bo_size(track->aa.robj)); 2307 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n", 2308 i, track->aa.pitch, track->cb[0].cpp, 2309 track->aa.offset, track->maxy); 2310 return -EINVAL; 2311 } 2312 } 2313 track->aa_dirty = false; 2314 2315 prim_walk = (track->vap_vf_cntl >> 4) & 0x3; 2316 if (track->vap_vf_cntl & (1 << 14)) { 2317 nverts = track->vap_alt_nverts; 2318 } else { 2319 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF; 2320 } 2321 switch (prim_walk) { 2322 case 1: 2323 for (i = 0; i < track->num_arrays; i++) { 2324 size = track->arrays[i].esize * track->max_indx * 4UL; 2325 if (track->arrays[i].robj == NULL) { 2326 DRM_ERROR("(PW %u) Vertex array %u no buffer " 2327 "bound\n", prim_walk, i); 2328 return -EINVAL; 2329 } 2330 if (size > radeon_bo_size(track->arrays[i].robj)) { 2331 dev_err(rdev->dev, "(PW %u) Vertex array %u " 2332 "need %lu dwords have %lu dwords\n", 2333 prim_walk, i, size >> 2, 2334 radeon_bo_size(track->arrays[i].robj) 2335 >> 2); 2336 DRM_ERROR("Max indices %u\n", track->max_indx); 2337 return -EINVAL; 2338 } 2339 } 2340 break; 2341 case 2: 2342 for (i = 0; i < track->num_arrays; i++) { 2343 size = track->arrays[i].esize * (nverts - 1) * 4UL; 2344 if (track->arrays[i].robj == NULL) { 2345 DRM_ERROR("(PW %u) Vertex array %u no buffer " 2346 "bound\n", prim_walk, i); 2347 return -EINVAL; 2348 } 2349 if (size > radeon_bo_size(track->arrays[i].robj)) { 2350 dev_err(rdev->dev, "(PW %u) Vertex array %u " 2351 "need %lu dwords have %lu dwords\n", 2352 prim_walk, i, size >> 2, 2353 radeon_bo_size(track->arrays[i].robj) 2354 >> 2); 2355 return -EINVAL; 2356 } 2357 } 2358 break; 2359 case 3: 2360 size = track->vtx_size * nverts; 2361 if (size != track->immd_dwords) { 2362 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n", 2363 track->immd_dwords, size); 2364 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n", 2365 nverts, track->vtx_size); 2366 return -EINVAL; 2367 } 2368 break; 2369 default: 2370 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n", 2371 prim_walk); 2372 return -EINVAL; 2373 } 2374 2375 if (track->tex_dirty) { 2376 track->tex_dirty = false; 2377 return r100_cs_track_texture_check(rdev, track); 2378 } 2379 return 0; 2380 } 2381 2382 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track) 2383 { 2384 unsigned i, face; 2385 2386 track->cb_dirty = true; 2387 track->zb_dirty = true; 2388 track->tex_dirty = true; 2389 track->aa_dirty = true; 2390 2391 if (rdev->family < CHIP_R300) { 2392 track->num_cb = 1; 2393 if (rdev->family <= CHIP_RS200) 2394 track->num_texture = 3; 2395 else 2396 track->num_texture = 6; 2397 track->maxy = 2048; 2398 track->separate_cube = true; 2399 } else { 2400 track->num_cb = 4; 2401 track->num_texture = 16; 2402 track->maxy = 4096; 2403 track->separate_cube = false; 2404 track->aaresolve = false; 2405 track->aa.robj = NULL; 2406 } 2407 2408 for (i = 0; i < track->num_cb; i++) { 2409 track->cb[i].robj = NULL; 2410 track->cb[i].pitch = 8192; 2411 track->cb[i].cpp = 16; 2412 track->cb[i].offset = 0; 2413 } 2414 track->z_enabled = true; 2415 track->zb.robj = NULL; 2416 track->zb.pitch = 8192; 2417 track->zb.cpp = 4; 2418 track->zb.offset = 0; 2419 track->vtx_size = 0x7F; 2420 track->immd_dwords = 0xFFFFFFFFUL; 2421 track->num_arrays = 11; 2422 track->max_indx = 0x00FFFFFFUL; 2423 for (i = 0; i < track->num_arrays; i++) { 2424 track->arrays[i].robj = NULL; 2425 track->arrays[i].esize = 0x7F; 2426 } 2427 for (i = 0; i < track->num_texture; i++) { 2428 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 2429 track->textures[i].pitch = 16536; 2430 track->textures[i].width = 16536; 2431 track->textures[i].height = 16536; 2432 track->textures[i].width_11 = 1 << 11; 2433 track->textures[i].height_11 = 1 << 11; 2434 track->textures[i].num_levels = 12; 2435 if (rdev->family <= CHIP_RS200) { 2436 track->textures[i].tex_coord_type = 0; 2437 track->textures[i].txdepth = 0; 2438 } else { 2439 track->textures[i].txdepth = 16; 2440 track->textures[i].tex_coord_type = 1; 2441 } 2442 track->textures[i].cpp = 64; 2443 track->textures[i].robj = NULL; 2444 /* CS IB emission code makes sure texture unit are disabled */ 2445 track->textures[i].enabled = false; 2446 track->textures[i].lookup_disable = false; 2447 track->textures[i].roundup_w = true; 2448 track->textures[i].roundup_h = true; 2449 if (track->separate_cube) 2450 for (face = 0; face < 5; face++) { 2451 track->textures[i].cube_info[face].robj = NULL; 2452 track->textures[i].cube_info[face].width = 16536; 2453 track->textures[i].cube_info[face].height = 16536; 2454 track->textures[i].cube_info[face].offset = 0; 2455 } 2456 } 2457 } 2458 2459 /* 2460 * Global GPU functions 2461 */ 2462 static void r100_errata(struct radeon_device *rdev) 2463 { 2464 rdev->pll_errata = 0; 2465 2466 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) { 2467 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS; 2468 } 2469 2470 if (rdev->family == CHIP_RV100 || 2471 rdev->family == CHIP_RS100 || 2472 rdev->family == CHIP_RS200) { 2473 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY; 2474 } 2475 } 2476 2477 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n) 2478 { 2479 unsigned i; 2480 uint32_t tmp; 2481 2482 for (i = 0; i < rdev->usec_timeout; i++) { 2483 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK; 2484 if (tmp >= n) { 2485 return 0; 2486 } 2487 udelay(1); 2488 } 2489 return -1; 2490 } 2491 2492 int r100_gui_wait_for_idle(struct radeon_device *rdev) 2493 { 2494 unsigned i; 2495 uint32_t tmp; 2496 2497 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) { 2498 pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n"); 2499 } 2500 for (i = 0; i < rdev->usec_timeout; i++) { 2501 tmp = RREG32(RADEON_RBBM_STATUS); 2502 if (!(tmp & RADEON_RBBM_ACTIVE)) { 2503 return 0; 2504 } 2505 udelay(1); 2506 } 2507 return -1; 2508 } 2509 2510 int r100_mc_wait_for_idle(struct radeon_device *rdev) 2511 { 2512 unsigned i; 2513 uint32_t tmp; 2514 2515 for (i = 0; i < rdev->usec_timeout; i++) { 2516 /* read MC_STATUS */ 2517 tmp = RREG32(RADEON_MC_STATUS); 2518 if (tmp & RADEON_MC_IDLE) { 2519 return 0; 2520 } 2521 udelay(1); 2522 } 2523 return -1; 2524 } 2525 2526 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 2527 { 2528 u32 rbbm_status; 2529 2530 rbbm_status = RREG32(R_000E40_RBBM_STATUS); 2531 if (!G_000E40_GUI_ACTIVE(rbbm_status)) { 2532 radeon_ring_lockup_update(rdev, ring); 2533 return false; 2534 } 2535 return radeon_ring_test_lockup(rdev, ring); 2536 } 2537 2538 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */ 2539 void r100_enable_bm(struct radeon_device *rdev) 2540 { 2541 uint32_t tmp; 2542 /* Enable bus mastering */ 2543 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; 2544 WREG32(RADEON_BUS_CNTL, tmp); 2545 } 2546 2547 void r100_bm_disable(struct radeon_device *rdev) 2548 { 2549 u32 tmp; 2550 2551 /* disable bus mastering */ 2552 tmp = RREG32(R_000030_BUS_CNTL); 2553 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044); 2554 mdelay(1); 2555 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042); 2556 mdelay(1); 2557 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040); 2558 tmp = RREG32(RADEON_BUS_CNTL); 2559 mdelay(1); 2560 pci_clear_master(rdev->pdev); 2561 mdelay(1); 2562 } 2563 2564 int r100_asic_reset(struct radeon_device *rdev, bool hard) 2565 { 2566 struct r100_mc_save save; 2567 u32 status, tmp; 2568 int ret = 0; 2569 2570 status = RREG32(R_000E40_RBBM_STATUS); 2571 if (!G_000E40_GUI_ACTIVE(status)) { 2572 return 0; 2573 } 2574 r100_mc_stop(rdev, &save); 2575 status = RREG32(R_000E40_RBBM_STATUS); 2576 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2577 /* stop CP */ 2578 WREG32(RADEON_CP_CSQ_CNTL, 0); 2579 tmp = RREG32(RADEON_CP_RB_CNTL); 2580 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 2581 WREG32(RADEON_CP_RB_RPTR_WR, 0); 2582 WREG32(RADEON_CP_RB_WPTR, 0); 2583 WREG32(RADEON_CP_RB_CNTL, tmp); 2584 /* save PCI state */ 2585 pci_save_state(rdev->pdev); 2586 /* disable bus mastering */ 2587 r100_bm_disable(rdev); 2588 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) | 2589 S_0000F0_SOFT_RESET_RE(1) | 2590 S_0000F0_SOFT_RESET_PP(1) | 2591 S_0000F0_SOFT_RESET_RB(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 /* reset CP */ 2599 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 2600 RREG32(R_0000F0_RBBM_SOFT_RESET); 2601 mdelay(500); 2602 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 2603 mdelay(1); 2604 status = RREG32(R_000E40_RBBM_STATUS); 2605 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2606 /* restore PCI & busmastering */ 2607 pci_restore_state(rdev->pdev); 2608 r100_enable_bm(rdev); 2609 /* Check if GPU is idle */ 2610 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) || 2611 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) { 2612 dev_err(rdev->dev, "failed to reset GPU\n"); 2613 ret = -1; 2614 } else 2615 dev_info(rdev->dev, "GPU reset succeed\n"); 2616 r100_mc_resume(rdev, &save); 2617 return ret; 2618 } 2619 2620 void r100_set_common_regs(struct radeon_device *rdev) 2621 { 2622 bool force_dac2 = false; 2623 u32 tmp; 2624 2625 /* set these so they don't interfere with anything */ 2626 WREG32(RADEON_OV0_SCALE_CNTL, 0); 2627 WREG32(RADEON_SUBPIC_CNTL, 0); 2628 WREG32(RADEON_VIPH_CONTROL, 0); 2629 WREG32(RADEON_I2C_CNTL_1, 0); 2630 WREG32(RADEON_DVI_I2C_CNTL_1, 0); 2631 WREG32(RADEON_CAP0_TRIG_CNTL, 0); 2632 WREG32(RADEON_CAP1_TRIG_CNTL, 0); 2633 2634 /* always set up dac2 on rn50 and some rv100 as lots 2635 * of servers seem to wire it up to a VGA port but 2636 * don't report it in the bios connector 2637 * table. 2638 */ 2639 switch (rdev->pdev->device) { 2640 /* RN50 */ 2641 case 0x515e: 2642 case 0x5969: 2643 force_dac2 = true; 2644 break; 2645 /* RV100*/ 2646 case 0x5159: 2647 case 0x515a: 2648 /* DELL triple head servers */ 2649 if ((rdev->pdev->subsystem_vendor == 0x1028 /* DELL */) && 2650 ((rdev->pdev->subsystem_device == 0x016c) || 2651 (rdev->pdev->subsystem_device == 0x016d) || 2652 (rdev->pdev->subsystem_device == 0x016e) || 2653 (rdev->pdev->subsystem_device == 0x016f) || 2654 (rdev->pdev->subsystem_device == 0x0170) || 2655 (rdev->pdev->subsystem_device == 0x017d) || 2656 (rdev->pdev->subsystem_device == 0x017e) || 2657 (rdev->pdev->subsystem_device == 0x0183) || 2658 (rdev->pdev->subsystem_device == 0x018a) || 2659 (rdev->pdev->subsystem_device == 0x019a))) 2660 force_dac2 = true; 2661 break; 2662 } 2663 2664 if (force_dac2) { 2665 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); 2666 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 2667 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2); 2668 2669 /* For CRT on DAC2, don't turn it on if BIOS didn't 2670 enable it, even it's detected. 2671 */ 2672 2673 /* force it to crtc0 */ 2674 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL; 2675 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL; 2676 disp_hw_debug |= RADEON_CRT2_DISP1_SEL; 2677 2678 /* set up the TV DAC */ 2679 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL | 2680 RADEON_TV_DAC_STD_MASK | 2681 RADEON_TV_DAC_RDACPD | 2682 RADEON_TV_DAC_GDACPD | 2683 RADEON_TV_DAC_BDACPD | 2684 RADEON_TV_DAC_BGADJ_MASK | 2685 RADEON_TV_DAC_DACADJ_MASK); 2686 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK | 2687 RADEON_TV_DAC_NHOLD | 2688 RADEON_TV_DAC_STD_PS2 | 2689 (0x58 << 16)); 2690 2691 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 2692 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); 2693 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 2694 } 2695 2696 /* switch PM block to ACPI mode */ 2697 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL); 2698 tmp &= ~RADEON_PM_MODE_SEL; 2699 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp); 2700 2701 } 2702 2703 /* 2704 * VRAM info 2705 */ 2706 static void r100_vram_get_type(struct radeon_device *rdev) 2707 { 2708 uint32_t tmp; 2709 2710 rdev->mc.vram_is_ddr = false; 2711 if (rdev->flags & RADEON_IS_IGP) 2712 rdev->mc.vram_is_ddr = true; 2713 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR) 2714 rdev->mc.vram_is_ddr = true; 2715 if ((rdev->family == CHIP_RV100) || 2716 (rdev->family == CHIP_RS100) || 2717 (rdev->family == CHIP_RS200)) { 2718 tmp = RREG32(RADEON_MEM_CNTL); 2719 if (tmp & RV100_HALF_MODE) { 2720 rdev->mc.vram_width = 32; 2721 } else { 2722 rdev->mc.vram_width = 64; 2723 } 2724 if (rdev->flags & RADEON_SINGLE_CRTC) { 2725 rdev->mc.vram_width /= 4; 2726 rdev->mc.vram_is_ddr = true; 2727 } 2728 } else if (rdev->family <= CHIP_RV280) { 2729 tmp = RREG32(RADEON_MEM_CNTL); 2730 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) { 2731 rdev->mc.vram_width = 128; 2732 } else { 2733 rdev->mc.vram_width = 64; 2734 } 2735 } else { 2736 /* newer IGPs */ 2737 rdev->mc.vram_width = 128; 2738 } 2739 } 2740 2741 static u32 r100_get_accessible_vram(struct radeon_device *rdev) 2742 { 2743 u32 aper_size; 2744 u8 byte; 2745 2746 aper_size = RREG32(RADEON_CONFIG_APER_SIZE); 2747 2748 /* Set HDP_APER_CNTL only on cards that are known not to be broken, 2749 * that is has the 2nd generation multifunction PCI interface 2750 */ 2751 if (rdev->family == CHIP_RV280 || 2752 rdev->family >= CHIP_RV350) { 2753 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL, 2754 ~RADEON_HDP_APER_CNTL); 2755 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n"); 2756 return aper_size * 2; 2757 } 2758 2759 /* Older cards have all sorts of funny issues to deal with. First 2760 * check if it's a multifunction card by reading the PCI config 2761 * header type... Limit those to one aperture size 2762 */ 2763 pci_read_config_byte(rdev->pdev, 0xe, &byte); 2764 if (byte & 0x80) { 2765 DRM_INFO("Generation 1 PCI interface in multifunction mode\n"); 2766 DRM_INFO("Limiting VRAM to one aperture\n"); 2767 return aper_size; 2768 } 2769 2770 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS 2771 * have set it up. We don't write this as it's broken on some ASICs but 2772 * we expect the BIOS to have done the right thing (might be too optimistic...) 2773 */ 2774 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL) 2775 return aper_size * 2; 2776 return aper_size; 2777 } 2778 2779 void r100_vram_init_sizes(struct radeon_device *rdev) 2780 { 2781 u64 config_aper_size; 2782 2783 /* work out accessible VRAM */ 2784 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 2785 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 2786 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev); 2787 /* FIXME we don't use the second aperture yet when we could use it */ 2788 if (rdev->mc.visible_vram_size > rdev->mc.aper_size) 2789 rdev->mc.visible_vram_size = rdev->mc.aper_size; 2790 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE); 2791 if (rdev->flags & RADEON_IS_IGP) { 2792 uint32_t tom; 2793 /* read NB_TOM to get the amount of ram stolen for the GPU */ 2794 tom = RREG32(RADEON_NB_TOM); 2795 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16); 2796 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 2797 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 2798 } else { 2799 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); 2800 /* Some production boards of m6 will report 0 2801 * if it's 8 MB 2802 */ 2803 if (rdev->mc.real_vram_size == 0) { 2804 rdev->mc.real_vram_size = 8192 * 1024; 2805 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 2806 } 2807 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 2808 * Novell bug 204882 + along with lots of ubuntu ones 2809 */ 2810 if (rdev->mc.aper_size > config_aper_size) 2811 config_aper_size = rdev->mc.aper_size; 2812 2813 if (config_aper_size > rdev->mc.real_vram_size) 2814 rdev->mc.mc_vram_size = config_aper_size; 2815 else 2816 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 2817 } 2818 } 2819 2820 void r100_vga_set_state(struct radeon_device *rdev, bool state) 2821 { 2822 uint32_t temp; 2823 2824 temp = RREG32(RADEON_CONFIG_CNTL); 2825 if (!state) { 2826 temp &= ~RADEON_CFG_VGA_RAM_EN; 2827 temp |= RADEON_CFG_VGA_IO_DIS; 2828 } else { 2829 temp &= ~RADEON_CFG_VGA_IO_DIS; 2830 } 2831 WREG32(RADEON_CONFIG_CNTL, temp); 2832 } 2833 2834 static void r100_mc_init(struct radeon_device *rdev) 2835 { 2836 u64 base; 2837 2838 r100_vram_get_type(rdev); 2839 r100_vram_init_sizes(rdev); 2840 base = rdev->mc.aper_base; 2841 if (rdev->flags & RADEON_IS_IGP) 2842 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; 2843 radeon_vram_location(rdev, &rdev->mc, base); 2844 rdev->mc.gtt_base_align = 0; 2845 if (!(rdev->flags & RADEON_IS_AGP)) 2846 radeon_gtt_location(rdev, &rdev->mc); 2847 radeon_update_bandwidth_info(rdev); 2848 } 2849 2850 2851 /* 2852 * Indirect registers accessor 2853 */ 2854 void r100_pll_errata_after_index(struct radeon_device *rdev) 2855 { 2856 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) { 2857 (void)RREG32(RADEON_CLOCK_CNTL_DATA); 2858 (void)RREG32(RADEON_CRTC_GEN_CNTL); 2859 } 2860 } 2861 2862 static void r100_pll_errata_after_data(struct radeon_device *rdev) 2863 { 2864 /* This workarounds is necessary on RV100, RS100 and RS200 chips 2865 * or the chip could hang on a subsequent access 2866 */ 2867 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) { 2868 mdelay(5); 2869 } 2870 2871 /* This function is required to workaround a hardware bug in some (all?) 2872 * revisions of the R300. This workaround should be called after every 2873 * CLOCK_CNTL_INDEX register access. If not, register reads afterward 2874 * may not be correct. 2875 */ 2876 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) { 2877 uint32_t save, tmp; 2878 2879 save = RREG32(RADEON_CLOCK_CNTL_INDEX); 2880 tmp = save & ~(0x3f | RADEON_PLL_WR_EN); 2881 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp); 2882 tmp = RREG32(RADEON_CLOCK_CNTL_DATA); 2883 WREG32(RADEON_CLOCK_CNTL_INDEX, save); 2884 } 2885 } 2886 2887 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg) 2888 { 2889 unsigned long flags; 2890 uint32_t data; 2891 2892 spin_lock_irqsave(&rdev->pll_idx_lock, flags); 2893 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f); 2894 r100_pll_errata_after_index(rdev); 2895 data = RREG32(RADEON_CLOCK_CNTL_DATA); 2896 r100_pll_errata_after_data(rdev); 2897 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); 2898 return data; 2899 } 2900 2901 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 2902 { 2903 unsigned long flags; 2904 2905 spin_lock_irqsave(&rdev->pll_idx_lock, flags); 2906 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN)); 2907 r100_pll_errata_after_index(rdev); 2908 WREG32(RADEON_CLOCK_CNTL_DATA, v); 2909 r100_pll_errata_after_data(rdev); 2910 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); 2911 } 2912 2913 static void r100_set_safe_registers(struct radeon_device *rdev) 2914 { 2915 if (ASIC_IS_RN50(rdev)) { 2916 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm; 2917 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm); 2918 } else if (rdev->family < CHIP_R200) { 2919 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm; 2920 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm); 2921 } else { 2922 r200_set_safe_registers(rdev); 2923 } 2924 } 2925 2926 /* 2927 * Debugfs info 2928 */ 2929 #if defined(CONFIG_DEBUG_FS) 2930 static int r100_debugfs_rbbm_info_show(struct seq_file *m, void *unused) 2931 { 2932 struct radeon_device *rdev = m->private; 2933 uint32_t reg, value; 2934 unsigned i; 2935 2936 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS)); 2937 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C)); 2938 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2939 for (i = 0; i < 64; i++) { 2940 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100); 2941 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2; 2942 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i); 2943 value = RREG32(RADEON_RBBM_CMDFIFO_DATA); 2944 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value); 2945 } 2946 return 0; 2947 } 2948 2949 static int r100_debugfs_cp_ring_info_show(struct seq_file *m, void *unused) 2950 { 2951 struct radeon_device *rdev = m->private; 2952 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2953 uint32_t rdp, wdp; 2954 unsigned count, i, j; 2955 2956 radeon_ring_free_size(rdev, ring); 2957 rdp = RREG32(RADEON_CP_RB_RPTR); 2958 wdp = RREG32(RADEON_CP_RB_WPTR); 2959 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask; 2960 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2961 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp); 2962 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp); 2963 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw); 2964 seq_printf(m, "%u dwords in ring\n", count); 2965 if (ring->ready) { 2966 for (j = 0; j <= count; j++) { 2967 i = (rdp + j) & ring->ptr_mask; 2968 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]); 2969 } 2970 } 2971 return 0; 2972 } 2973 2974 2975 static int r100_debugfs_cp_csq_fifo_show(struct seq_file *m, void *unused) 2976 { 2977 struct radeon_device *rdev = m->private; 2978 uint32_t csq_stat, csq2_stat, tmp; 2979 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr; 2980 unsigned i; 2981 2982 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2983 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE)); 2984 csq_stat = RREG32(RADEON_CP_CSQ_STAT); 2985 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT); 2986 r_rptr = (csq_stat >> 0) & 0x3ff; 2987 r_wptr = (csq_stat >> 10) & 0x3ff; 2988 ib1_rptr = (csq_stat >> 20) & 0x3ff; 2989 ib1_wptr = (csq2_stat >> 0) & 0x3ff; 2990 ib2_rptr = (csq2_stat >> 10) & 0x3ff; 2991 ib2_wptr = (csq2_stat >> 20) & 0x3ff; 2992 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat); 2993 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat); 2994 seq_printf(m, "Ring rptr %u\n", r_rptr); 2995 seq_printf(m, "Ring wptr %u\n", r_wptr); 2996 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr); 2997 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr); 2998 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr); 2999 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr); 3000 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms 3001 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */ 3002 seq_printf(m, "Ring fifo:\n"); 3003 for (i = 0; i < 256; i++) { 3004 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3005 tmp = RREG32(RADEON_CP_CSQ_DATA); 3006 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp); 3007 } 3008 seq_printf(m, "Indirect1 fifo:\n"); 3009 for (i = 256; i <= 512; i++) { 3010 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3011 tmp = RREG32(RADEON_CP_CSQ_DATA); 3012 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp); 3013 } 3014 seq_printf(m, "Indirect2 fifo:\n"); 3015 for (i = 640; i < ib1_wptr; i++) { 3016 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3017 tmp = RREG32(RADEON_CP_CSQ_DATA); 3018 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp); 3019 } 3020 return 0; 3021 } 3022 3023 static int r100_debugfs_mc_info_show(struct seq_file *m, void *unused) 3024 { 3025 struct radeon_device *rdev = m->private; 3026 uint32_t tmp; 3027 3028 tmp = RREG32(RADEON_CONFIG_MEMSIZE); 3029 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp); 3030 tmp = RREG32(RADEON_MC_FB_LOCATION); 3031 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp); 3032 tmp = RREG32(RADEON_BUS_CNTL); 3033 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp); 3034 tmp = RREG32(RADEON_MC_AGP_LOCATION); 3035 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp); 3036 tmp = RREG32(RADEON_AGP_BASE); 3037 seq_printf(m, "AGP_BASE 0x%08x\n", tmp); 3038 tmp = RREG32(RADEON_HOST_PATH_CNTL); 3039 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp); 3040 tmp = RREG32(0x01D0); 3041 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp); 3042 tmp = RREG32(RADEON_AIC_LO_ADDR); 3043 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp); 3044 tmp = RREG32(RADEON_AIC_HI_ADDR); 3045 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp); 3046 tmp = RREG32(0x01E4); 3047 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp); 3048 return 0; 3049 } 3050 3051 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_rbbm_info); 3052 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_ring_info); 3053 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_cp_csq_fifo); 3054 DEFINE_SHOW_ATTRIBUTE(r100_debugfs_mc_info); 3055 3056 #endif 3057 3058 void r100_debugfs_rbbm_init(struct radeon_device *rdev) 3059 { 3060 #if defined(CONFIG_DEBUG_FS) 3061 struct dentry *root = rdev->ddev->primary->debugfs_root; 3062 3063 debugfs_create_file("r100_rbbm_info", 0444, root, rdev, 3064 &r100_debugfs_rbbm_info_fops); 3065 #endif 3066 } 3067 3068 void r100_debugfs_cp_init(struct radeon_device *rdev) 3069 { 3070 #if defined(CONFIG_DEBUG_FS) 3071 struct dentry *root = rdev->ddev->primary->debugfs_root; 3072 3073 debugfs_create_file("r100_cp_ring_info", 0444, root, rdev, 3074 &r100_debugfs_cp_ring_info_fops); 3075 debugfs_create_file("r100_cp_csq_fifo", 0444, root, rdev, 3076 &r100_debugfs_cp_csq_fifo_fops); 3077 #endif 3078 } 3079 3080 void r100_debugfs_mc_info_init(struct radeon_device *rdev) 3081 { 3082 #if defined(CONFIG_DEBUG_FS) 3083 struct dentry *root = rdev->ddev->primary->debugfs_root; 3084 3085 debugfs_create_file("r100_mc_info", 0444, root, rdev, 3086 &r100_debugfs_mc_info_fops); 3087 #endif 3088 } 3089 3090 int r100_set_surface_reg(struct radeon_device *rdev, int reg, 3091 uint32_t tiling_flags, uint32_t pitch, 3092 uint32_t offset, uint32_t obj_size) 3093 { 3094 int surf_index = reg * 16; 3095 int flags = 0; 3096 3097 if (rdev->family <= CHIP_RS200) { 3098 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3099 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3100 flags |= RADEON_SURF_TILE_COLOR_BOTH; 3101 if (tiling_flags & RADEON_TILING_MACRO) 3102 flags |= RADEON_SURF_TILE_COLOR_MACRO; 3103 /* setting pitch to 0 disables tiling */ 3104 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3105 == 0) 3106 pitch = 0; 3107 } else if (rdev->family <= CHIP_RV280) { 3108 if (tiling_flags & (RADEON_TILING_MACRO)) 3109 flags |= R200_SURF_TILE_COLOR_MACRO; 3110 if (tiling_flags & RADEON_TILING_MICRO) 3111 flags |= R200_SURF_TILE_COLOR_MICRO; 3112 } else { 3113 if (tiling_flags & RADEON_TILING_MACRO) 3114 flags |= R300_SURF_TILE_MACRO; 3115 if (tiling_flags & RADEON_TILING_MICRO) 3116 flags |= R300_SURF_TILE_MICRO; 3117 } 3118 3119 if (tiling_flags & RADEON_TILING_SWAP_16BIT) 3120 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP; 3121 if (tiling_flags & RADEON_TILING_SWAP_32BIT) 3122 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP; 3123 3124 /* r100/r200 divide by 16 */ 3125 if (rdev->family < CHIP_R300) 3126 flags |= pitch / 16; 3127 else 3128 flags |= pitch / 8; 3129 3130 3131 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1); 3132 WREG32(RADEON_SURFACE0_INFO + surf_index, flags); 3133 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset); 3134 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1); 3135 return 0; 3136 } 3137 3138 void r100_clear_surface_reg(struct radeon_device *rdev, int reg) 3139 { 3140 int surf_index = reg * 16; 3141 WREG32(RADEON_SURFACE0_INFO + surf_index, 0); 3142 } 3143 3144 void r100_bandwidth_update(struct radeon_device *rdev) 3145 { 3146 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff; 3147 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff; 3148 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff; 3149 fixed20_12 crit_point_ff = {0}; 3150 uint32_t temp, data, mem_trcd, mem_trp, mem_tras; 3151 fixed20_12 memtcas_ff[8] = { 3152 dfixed_init(1), 3153 dfixed_init(2), 3154 dfixed_init(3), 3155 dfixed_init(0), 3156 dfixed_init_half(1), 3157 dfixed_init_half(2), 3158 dfixed_init(0), 3159 }; 3160 fixed20_12 memtcas_rs480_ff[8] = { 3161 dfixed_init(0), 3162 dfixed_init(1), 3163 dfixed_init(2), 3164 dfixed_init(3), 3165 dfixed_init(0), 3166 dfixed_init_half(1), 3167 dfixed_init_half(2), 3168 dfixed_init_half(3), 3169 }; 3170 fixed20_12 memtcas2_ff[8] = { 3171 dfixed_init(0), 3172 dfixed_init(1), 3173 dfixed_init(2), 3174 dfixed_init(3), 3175 dfixed_init(4), 3176 dfixed_init(5), 3177 dfixed_init(6), 3178 dfixed_init(7), 3179 }; 3180 fixed20_12 memtrbs[8] = { 3181 dfixed_init(1), 3182 dfixed_init_half(1), 3183 dfixed_init(2), 3184 dfixed_init_half(2), 3185 dfixed_init(3), 3186 dfixed_init_half(3), 3187 dfixed_init(4), 3188 dfixed_init_half(4) 3189 }; 3190 fixed20_12 memtrbs_r4xx[8] = { 3191 dfixed_init(4), 3192 dfixed_init(5), 3193 dfixed_init(6), 3194 dfixed_init(7), 3195 dfixed_init(8), 3196 dfixed_init(9), 3197 dfixed_init(10), 3198 dfixed_init(11) 3199 }; 3200 fixed20_12 min_mem_eff; 3201 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1; 3202 fixed20_12 cur_latency_mclk, cur_latency_sclk; 3203 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate = {0}, 3204 disp_drain_rate2, read_return_rate; 3205 fixed20_12 time_disp1_drop_priority; 3206 int c; 3207 int cur_size = 16; /* in octawords */ 3208 int critical_point = 0, critical_point2; 3209 /* uint32_t read_return_rate, time_disp1_drop_priority; */ 3210 int stop_req, max_stop_req; 3211 struct drm_display_mode *mode1 = NULL; 3212 struct drm_display_mode *mode2 = NULL; 3213 uint32_t pixel_bytes1 = 0; 3214 uint32_t pixel_bytes2 = 0; 3215 3216 /* Guess line buffer size to be 8192 pixels */ 3217 u32 lb_size = 8192; 3218 3219 if (!rdev->mode_info.mode_config_initialized) 3220 return; 3221 3222 radeon_update_display_priority(rdev); 3223 3224 if (rdev->mode_info.crtcs[0]->base.enabled) { 3225 const struct drm_framebuffer *fb = 3226 rdev->mode_info.crtcs[0]->base.primary->fb; 3227 3228 mode1 = &rdev->mode_info.crtcs[0]->base.mode; 3229 pixel_bytes1 = fb->format->cpp[0]; 3230 } 3231 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3232 if (rdev->mode_info.crtcs[1]->base.enabled) { 3233 const struct drm_framebuffer *fb = 3234 rdev->mode_info.crtcs[1]->base.primary->fb; 3235 3236 mode2 = &rdev->mode_info.crtcs[1]->base.mode; 3237 pixel_bytes2 = fb->format->cpp[0]; 3238 } 3239 } 3240 3241 min_mem_eff.full = dfixed_const_8(0); 3242 /* get modes */ 3243 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) { 3244 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER); 3245 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT); 3246 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT); 3247 /* check crtc enables */ 3248 if (mode2) 3249 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); 3250 if (mode1) 3251 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT); 3252 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer); 3253 } 3254 3255 /* 3256 * determine is there is enough bw for current mode 3257 */ 3258 sclk_ff = rdev->pm.sclk; 3259 mclk_ff = rdev->pm.mclk; 3260 3261 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1); 3262 temp_ff.full = dfixed_const(temp); 3263 mem_bw.full = dfixed_mul(mclk_ff, temp_ff); 3264 3265 pix_clk.full = 0; 3266 pix_clk2.full = 0; 3267 peak_disp_bw.full = 0; 3268 if (mode1) { 3269 temp_ff.full = dfixed_const(1000); 3270 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */ 3271 pix_clk.full = dfixed_div(pix_clk, temp_ff); 3272 temp_ff.full = dfixed_const(pixel_bytes1); 3273 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff); 3274 } 3275 if (mode2) { 3276 temp_ff.full = dfixed_const(1000); 3277 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */ 3278 pix_clk2.full = dfixed_div(pix_clk2, temp_ff); 3279 temp_ff.full = dfixed_const(pixel_bytes2); 3280 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff); 3281 } 3282 3283 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff); 3284 if (peak_disp_bw.full >= mem_bw.full) { 3285 DRM_ERROR("You may not have enough display bandwidth for current mode\n" 3286 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n"); 3287 } 3288 3289 /* Get values from the EXT_MEM_CNTL register...converting its contents. */ 3290 temp = RREG32(RADEON_MEM_TIMING_CNTL); 3291 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */ 3292 mem_trcd = ((temp >> 2) & 0x3) + 1; 3293 mem_trp = ((temp & 0x3)) + 1; 3294 mem_tras = ((temp & 0x70) >> 4) + 1; 3295 } else if (rdev->family == CHIP_R300 || 3296 rdev->family == CHIP_R350) { /* r300, r350 */ 3297 mem_trcd = (temp & 0x7) + 1; 3298 mem_trp = ((temp >> 8) & 0x7) + 1; 3299 mem_tras = ((temp >> 11) & 0xf) + 4; 3300 } else if (rdev->family == CHIP_RV350 || 3301 rdev->family == CHIP_RV380) { 3302 /* rv3x0 */ 3303 mem_trcd = (temp & 0x7) + 3; 3304 mem_trp = ((temp >> 8) & 0x7) + 3; 3305 mem_tras = ((temp >> 11) & 0xf) + 6; 3306 } else if (rdev->family == CHIP_R420 || 3307 rdev->family == CHIP_R423 || 3308 rdev->family == CHIP_RV410) { 3309 /* r4xx */ 3310 mem_trcd = (temp & 0xf) + 3; 3311 if (mem_trcd > 15) 3312 mem_trcd = 15; 3313 mem_trp = ((temp >> 8) & 0xf) + 3; 3314 if (mem_trp > 15) 3315 mem_trp = 15; 3316 mem_tras = ((temp >> 12) & 0x1f) + 6; 3317 if (mem_tras > 31) 3318 mem_tras = 31; 3319 } else { /* RV200, R200 */ 3320 mem_trcd = (temp & 0x7) + 1; 3321 mem_trp = ((temp >> 8) & 0x7) + 1; 3322 mem_tras = ((temp >> 12) & 0xf) + 4; 3323 } 3324 /* convert to FF */ 3325 trcd_ff.full = dfixed_const(mem_trcd); 3326 trp_ff.full = dfixed_const(mem_trp); 3327 tras_ff.full = dfixed_const(mem_tras); 3328 3329 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */ 3330 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG); 3331 data = (temp & (7 << 20)) >> 20; 3332 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) { 3333 if (rdev->family == CHIP_RS480) /* don't think rs400 */ 3334 tcas_ff = memtcas_rs480_ff[data]; 3335 else 3336 tcas_ff = memtcas_ff[data]; 3337 } else 3338 tcas_ff = memtcas2_ff[data]; 3339 3340 if (rdev->family == CHIP_RS400 || 3341 rdev->family == CHIP_RS480) { 3342 /* extra cas latency stored in bits 23-25 0-4 clocks */ 3343 data = (temp >> 23) & 0x7; 3344 if (data < 5) 3345 tcas_ff.full += dfixed_const(data); 3346 } 3347 3348 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) { 3349 /* on the R300, Tcas is included in Trbs. 3350 */ 3351 temp = RREG32(RADEON_MEM_CNTL); 3352 data = (R300_MEM_NUM_CHANNELS_MASK & temp); 3353 if (data == 1) { 3354 if (R300_MEM_USE_CD_CH_ONLY & temp) { 3355 temp = RREG32(R300_MC_IND_INDEX); 3356 temp &= ~R300_MC_IND_ADDR_MASK; 3357 temp |= R300_MC_READ_CNTL_CD_mcind; 3358 WREG32(R300_MC_IND_INDEX, temp); 3359 temp = RREG32(R300_MC_IND_DATA); 3360 data = (R300_MEM_RBS_POSITION_C_MASK & temp); 3361 } else { 3362 temp = RREG32(R300_MC_READ_CNTL_AB); 3363 data = (R300_MEM_RBS_POSITION_A_MASK & temp); 3364 } 3365 } else { 3366 temp = RREG32(R300_MC_READ_CNTL_AB); 3367 data = (R300_MEM_RBS_POSITION_A_MASK & temp); 3368 } 3369 if (rdev->family == CHIP_RV410 || 3370 rdev->family == CHIP_R420 || 3371 rdev->family == CHIP_R423) 3372 trbs_ff = memtrbs_r4xx[data]; 3373 else 3374 trbs_ff = memtrbs[data]; 3375 tcas_ff.full += trbs_ff.full; 3376 } 3377 3378 sclk_eff_ff.full = sclk_ff.full; 3379 3380 if (rdev->flags & RADEON_IS_AGP) { 3381 fixed20_12 agpmode_ff; 3382 agpmode_ff.full = dfixed_const(radeon_agpmode); 3383 temp_ff.full = dfixed_const_666(16); 3384 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff); 3385 } 3386 /* TODO PCIE lanes may affect this - agpmode == 16?? */ 3387 3388 if (ASIC_IS_R300(rdev)) { 3389 sclk_delay_ff.full = dfixed_const(250); 3390 } else { 3391 if ((rdev->family == CHIP_RV100) || 3392 rdev->flags & RADEON_IS_IGP) { 3393 if (rdev->mc.vram_is_ddr) 3394 sclk_delay_ff.full = dfixed_const(41); 3395 else 3396 sclk_delay_ff.full = dfixed_const(33); 3397 } else { 3398 if (rdev->mc.vram_width == 128) 3399 sclk_delay_ff.full = dfixed_const(57); 3400 else 3401 sclk_delay_ff.full = dfixed_const(41); 3402 } 3403 } 3404 3405 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff); 3406 3407 if (rdev->mc.vram_is_ddr) { 3408 if (rdev->mc.vram_width == 32) { 3409 k1.full = dfixed_const(40); 3410 c = 3; 3411 } else { 3412 k1.full = dfixed_const(20); 3413 c = 1; 3414 } 3415 } else { 3416 k1.full = dfixed_const(40); 3417 c = 3; 3418 } 3419 3420 temp_ff.full = dfixed_const(2); 3421 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff); 3422 temp_ff.full = dfixed_const(c); 3423 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff); 3424 temp_ff.full = dfixed_const(4); 3425 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff); 3426 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff); 3427 mc_latency_mclk.full += k1.full; 3428 3429 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff); 3430 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff); 3431 3432 /* 3433 HW cursor time assuming worst case of full size colour cursor. 3434 */ 3435 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1)))); 3436 temp_ff.full += trcd_ff.full; 3437 if (temp_ff.full < tras_ff.full) 3438 temp_ff.full = tras_ff.full; 3439 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff); 3440 3441 temp_ff.full = dfixed_const(cur_size); 3442 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff); 3443 /* 3444 Find the total latency for the display data. 3445 */ 3446 disp_latency_overhead.full = dfixed_const(8); 3447 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff); 3448 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full; 3449 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full; 3450 3451 if (mc_latency_mclk.full > mc_latency_sclk.full) 3452 disp_latency.full = mc_latency_mclk.full; 3453 else 3454 disp_latency.full = mc_latency_sclk.full; 3455 3456 /* setup Max GRPH_STOP_REQ default value */ 3457 if (ASIC_IS_RV100(rdev)) 3458 max_stop_req = 0x5c; 3459 else 3460 max_stop_req = 0x7c; 3461 3462 if (mode1) { 3463 /* CRTC1 3464 Set GRPH_BUFFER_CNTL register using h/w defined optimal values. 3465 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ] 3466 */ 3467 stop_req = mode1->hdisplay * pixel_bytes1 / 16; 3468 3469 if (stop_req > max_stop_req) 3470 stop_req = max_stop_req; 3471 3472 /* 3473 Find the drain rate of the display buffer. 3474 */ 3475 temp_ff.full = dfixed_const((16/pixel_bytes1)); 3476 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff); 3477 3478 /* 3479 Find the critical point of the display buffer. 3480 */ 3481 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency); 3482 crit_point_ff.full += dfixed_const_half(0); 3483 3484 critical_point = dfixed_trunc(crit_point_ff); 3485 3486 if (rdev->disp_priority == 2) { 3487 critical_point = 0; 3488 } 3489 3490 /* 3491 The critical point should never be above max_stop_req-4. Setting 3492 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time. 3493 */ 3494 if (max_stop_req - critical_point < 4) 3495 critical_point = 0; 3496 3497 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) { 3498 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/ 3499 critical_point = 0x10; 3500 } 3501 3502 temp = RREG32(RADEON_GRPH_BUFFER_CNTL); 3503 temp &= ~(RADEON_GRPH_STOP_REQ_MASK); 3504 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); 3505 temp &= ~(RADEON_GRPH_START_REQ_MASK); 3506 if ((rdev->family == CHIP_R350) && 3507 (stop_req > 0x15)) { 3508 stop_req -= 0x10; 3509 } 3510 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); 3511 temp |= RADEON_GRPH_BUFFER_SIZE; 3512 temp &= ~(RADEON_GRPH_CRITICAL_CNTL | 3513 RADEON_GRPH_CRITICAL_AT_SOF | 3514 RADEON_GRPH_STOP_CNTL); 3515 /* 3516 Write the result into the register. 3517 */ 3518 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) | 3519 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT))); 3520 3521 #if 0 3522 if ((rdev->family == CHIP_RS400) || 3523 (rdev->family == CHIP_RS480)) { 3524 /* attempt to program RS400 disp regs correctly ??? */ 3525 temp = RREG32(RS400_DISP1_REG_CNTL); 3526 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK | 3527 RS400_DISP1_STOP_REQ_LEVEL_MASK); 3528 WREG32(RS400_DISP1_REQ_CNTL1, (temp | 3529 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) | 3530 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); 3531 temp = RREG32(RS400_DMIF_MEM_CNTL1); 3532 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK | 3533 RS400_DISP1_CRITICAL_POINT_STOP_MASK); 3534 WREG32(RS400_DMIF_MEM_CNTL1, (temp | 3535 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) | 3536 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT))); 3537 } 3538 #endif 3539 3540 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n", 3541 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */ 3542 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL)); 3543 } 3544 3545 if (mode2) { 3546 u32 grph2_cntl; 3547 stop_req = mode2->hdisplay * pixel_bytes2 / 16; 3548 3549 if (stop_req > max_stop_req) 3550 stop_req = max_stop_req; 3551 3552 /* 3553 Find the drain rate of the display buffer. 3554 */ 3555 temp_ff.full = dfixed_const((16/pixel_bytes2)); 3556 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff); 3557 3558 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL); 3559 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK); 3560 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); 3561 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK); 3562 if ((rdev->family == CHIP_R350) && 3563 (stop_req > 0x15)) { 3564 stop_req -= 0x10; 3565 } 3566 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); 3567 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE; 3568 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL | 3569 RADEON_GRPH_CRITICAL_AT_SOF | 3570 RADEON_GRPH_STOP_CNTL); 3571 3572 if ((rdev->family == CHIP_RS100) || 3573 (rdev->family == CHIP_RS200)) 3574 critical_point2 = 0; 3575 else { 3576 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128; 3577 temp_ff.full = dfixed_const(temp); 3578 temp_ff.full = dfixed_mul(mclk_ff, temp_ff); 3579 if (sclk_ff.full < temp_ff.full) 3580 temp_ff.full = sclk_ff.full; 3581 3582 read_return_rate.full = temp_ff.full; 3583 3584 if (mode1) { 3585 temp_ff.full = read_return_rate.full - disp_drain_rate.full; 3586 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff); 3587 } else { 3588 time_disp1_drop_priority.full = 0; 3589 } 3590 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full; 3591 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2); 3592 crit_point_ff.full += dfixed_const_half(0); 3593 3594 critical_point2 = dfixed_trunc(crit_point_ff); 3595 3596 if (rdev->disp_priority == 2) { 3597 critical_point2 = 0; 3598 } 3599 3600 if (max_stop_req - critical_point2 < 4) 3601 critical_point2 = 0; 3602 3603 } 3604 3605 if (critical_point2 == 0 && rdev->family == CHIP_R300) { 3606 /* some R300 cards have problem with this set to 0 */ 3607 critical_point2 = 0x10; 3608 } 3609 3610 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) | 3611 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT))); 3612 3613 if ((rdev->family == CHIP_RS400) || 3614 (rdev->family == CHIP_RS480)) { 3615 #if 0 3616 /* attempt to program RS400 disp2 regs correctly ??? */ 3617 temp = RREG32(RS400_DISP2_REQ_CNTL1); 3618 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK | 3619 RS400_DISP2_STOP_REQ_LEVEL_MASK); 3620 WREG32(RS400_DISP2_REQ_CNTL1, (temp | 3621 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) | 3622 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); 3623 temp = RREG32(RS400_DISP2_REQ_CNTL2); 3624 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK | 3625 RS400_DISP2_CRITICAL_POINT_STOP_MASK); 3626 WREG32(RS400_DISP2_REQ_CNTL2, (temp | 3627 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) | 3628 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT))); 3629 #endif 3630 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC); 3631 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000); 3632 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC); 3633 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC); 3634 } 3635 3636 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n", 3637 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL)); 3638 } 3639 3640 /* Save number of lines the linebuffer leads before the scanout */ 3641 if (mode1) 3642 rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay); 3643 3644 if (mode2) 3645 rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay); 3646 } 3647 3648 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 3649 { 3650 uint32_t scratch; 3651 uint32_t tmp = 0; 3652 unsigned i; 3653 int r; 3654 3655 r = radeon_scratch_get(rdev, &scratch); 3656 if (r) { 3657 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 3658 return r; 3659 } 3660 WREG32(scratch, 0xCAFEDEAD); 3661 r = radeon_ring_lock(rdev, ring, 2); 3662 if (r) { 3663 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 3664 radeon_scratch_free(rdev, scratch); 3665 return r; 3666 } 3667 radeon_ring_write(ring, PACKET0(scratch, 0)); 3668 radeon_ring_write(ring, 0xDEADBEEF); 3669 radeon_ring_unlock_commit(rdev, ring, false); 3670 for (i = 0; i < rdev->usec_timeout; i++) { 3671 tmp = RREG32(scratch); 3672 if (tmp == 0xDEADBEEF) { 3673 break; 3674 } 3675 udelay(1); 3676 } 3677 if (i < rdev->usec_timeout) { 3678 DRM_INFO("ring test succeeded in %d usecs\n", i); 3679 } else { 3680 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n", 3681 scratch, tmp); 3682 r = -EINVAL; 3683 } 3684 radeon_scratch_free(rdev, scratch); 3685 return r; 3686 } 3687 3688 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3689 { 3690 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 3691 3692 if (ring->rptr_save_reg) { 3693 u32 next_rptr = ring->wptr + 2 + 3; 3694 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0)); 3695 radeon_ring_write(ring, next_rptr); 3696 } 3697 3698 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1)); 3699 radeon_ring_write(ring, ib->gpu_addr); 3700 radeon_ring_write(ring, ib->length_dw); 3701 } 3702 3703 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3704 { 3705 struct radeon_ib ib; 3706 uint32_t scratch; 3707 uint32_t tmp = 0; 3708 unsigned i; 3709 int r; 3710 3711 r = radeon_scratch_get(rdev, &scratch); 3712 if (r) { 3713 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3714 return r; 3715 } 3716 WREG32(scratch, 0xCAFEDEAD); 3717 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256); 3718 if (r) { 3719 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3720 goto free_scratch; 3721 } 3722 ib.ptr[0] = PACKET0(scratch, 0); 3723 ib.ptr[1] = 0xDEADBEEF; 3724 ib.ptr[2] = PACKET2(0); 3725 ib.ptr[3] = PACKET2(0); 3726 ib.ptr[4] = PACKET2(0); 3727 ib.ptr[5] = PACKET2(0); 3728 ib.ptr[6] = PACKET2(0); 3729 ib.ptr[7] = PACKET2(0); 3730 ib.length_dw = 8; 3731 r = radeon_ib_schedule(rdev, &ib, NULL, false); 3732 if (r) { 3733 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3734 goto free_ib; 3735 } 3736 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies( 3737 RADEON_USEC_IB_TEST_TIMEOUT)); 3738 if (r < 0) { 3739 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3740 goto free_ib; 3741 } else if (r == 0) { 3742 DRM_ERROR("radeon: fence wait timed out.\n"); 3743 r = -ETIMEDOUT; 3744 goto free_ib; 3745 } 3746 r = 0; 3747 for (i = 0; i < rdev->usec_timeout; i++) { 3748 tmp = RREG32(scratch); 3749 if (tmp == 0xDEADBEEF) { 3750 break; 3751 } 3752 udelay(1); 3753 } 3754 if (i < rdev->usec_timeout) { 3755 DRM_INFO("ib test succeeded in %u usecs\n", i); 3756 } else { 3757 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3758 scratch, tmp); 3759 r = -EINVAL; 3760 } 3761 free_ib: 3762 radeon_ib_free(rdev, &ib); 3763 free_scratch: 3764 radeon_scratch_free(rdev, scratch); 3765 return r; 3766 } 3767 3768 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save) 3769 { 3770 /* Shutdown CP we shouldn't need to do that but better be safe than 3771 * sorry 3772 */ 3773 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 3774 WREG32(R_000740_CP_CSQ_CNTL, 0); 3775 3776 /* Save few CRTC registers */ 3777 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT); 3778 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL); 3779 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL); 3780 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET); 3781 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3782 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL); 3783 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET); 3784 } 3785 3786 /* Disable VGA aperture access */ 3787 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT); 3788 /* Disable cursor, overlay, crtc */ 3789 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1)); 3790 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL | 3791 S_000054_CRTC_DISPLAY_DIS(1)); 3792 WREG32(R_000050_CRTC_GEN_CNTL, 3793 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) | 3794 S_000050_CRTC_DISP_REQ_EN_B(1)); 3795 WREG32(R_000420_OV0_SCALE_CNTL, 3796 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL)); 3797 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET); 3798 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3799 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET | 3800 S_000360_CUR2_LOCK(1)); 3801 WREG32(R_0003F8_CRTC2_GEN_CNTL, 3802 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) | 3803 S_0003F8_CRTC2_DISPLAY_DIS(1) | 3804 S_0003F8_CRTC2_DISP_REQ_EN_B(1)); 3805 WREG32(R_000360_CUR2_OFFSET, 3806 C_000360_CUR2_LOCK & save->CUR2_OFFSET); 3807 } 3808 } 3809 3810 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save) 3811 { 3812 /* Update base address for crtc */ 3813 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start); 3814 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3815 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start); 3816 } 3817 /* Restore CRTC registers */ 3818 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT); 3819 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL); 3820 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL); 3821 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3822 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL); 3823 } 3824 } 3825 3826 void r100_vga_render_disable(struct radeon_device *rdev) 3827 { 3828 u32 tmp; 3829 3830 tmp = RREG8(R_0003C2_GENMO_WT); 3831 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp); 3832 } 3833 3834 static void r100_mc_program(struct radeon_device *rdev) 3835 { 3836 struct r100_mc_save save; 3837 3838 /* Stops all mc clients */ 3839 r100_mc_stop(rdev, &save); 3840 if (rdev->flags & RADEON_IS_AGP) { 3841 WREG32(R_00014C_MC_AGP_LOCATION, 3842 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) | 3843 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 3844 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 3845 if (rdev->family > CHIP_RV200) 3846 WREG32(R_00015C_AGP_BASE_2, 3847 upper_32_bits(rdev->mc.agp_base) & 0xff); 3848 } else { 3849 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF); 3850 WREG32(R_000170_AGP_BASE, 0); 3851 if (rdev->family > CHIP_RV200) 3852 WREG32(R_00015C_AGP_BASE_2, 0); 3853 } 3854 /* Wait for mc idle */ 3855 if (r100_mc_wait_for_idle(rdev)) 3856 dev_warn(rdev->dev, "Wait for MC idle timeout.\n"); 3857 /* Program MC, should be a 32bits limited address space */ 3858 WREG32(R_000148_MC_FB_LOCATION, 3859 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) | 3860 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16)); 3861 r100_mc_resume(rdev, &save); 3862 } 3863 3864 static void r100_clock_startup(struct radeon_device *rdev) 3865 { 3866 u32 tmp; 3867 3868 if (radeon_dynclks != -1 && radeon_dynclks) 3869 radeon_legacy_set_clock_gating(rdev, 1); 3870 /* We need to force on some of the block */ 3871 tmp = RREG32_PLL(R_00000D_SCLK_CNTL); 3872 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1); 3873 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280)) 3874 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1); 3875 WREG32_PLL(R_00000D_SCLK_CNTL, tmp); 3876 } 3877 3878 static int r100_startup(struct radeon_device *rdev) 3879 { 3880 int r; 3881 3882 /* set common regs */ 3883 r100_set_common_regs(rdev); 3884 /* program mc */ 3885 r100_mc_program(rdev); 3886 /* Resume clock */ 3887 r100_clock_startup(rdev); 3888 /* Initialize GART (initialize after TTM so we can allocate 3889 * memory through TTM but finalize after TTM) */ 3890 r100_enable_bm(rdev); 3891 if (rdev->flags & RADEON_IS_PCI) { 3892 r = r100_pci_gart_enable(rdev); 3893 if (r) 3894 return r; 3895 } 3896 3897 /* allocate wb buffer */ 3898 r = radeon_wb_init(rdev); 3899 if (r) 3900 return r; 3901 3902 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 3903 if (r) { 3904 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 3905 return r; 3906 } 3907 3908 /* Enable IRQ */ 3909 if (!rdev->irq.installed) { 3910 r = radeon_irq_kms_init(rdev); 3911 if (r) 3912 return r; 3913 } 3914 3915 r100_irq_set(rdev); 3916 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 3917 /* 1M ring buffer */ 3918 r = r100_cp_init(rdev, 1024 * 1024); 3919 if (r) { 3920 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 3921 return r; 3922 } 3923 3924 r = radeon_ib_pool_init(rdev); 3925 if (r) { 3926 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 3927 return r; 3928 } 3929 3930 return 0; 3931 } 3932 3933 int r100_resume(struct radeon_device *rdev) 3934 { 3935 int r; 3936 3937 /* Make sur GART are not working */ 3938 if (rdev->flags & RADEON_IS_PCI) 3939 r100_pci_gart_disable(rdev); 3940 /* Resume clock before doing reset */ 3941 r100_clock_startup(rdev); 3942 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 3943 if (radeon_asic_reset(rdev)) { 3944 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 3945 RREG32(R_000E40_RBBM_STATUS), 3946 RREG32(R_0007C0_CP_STAT)); 3947 } 3948 /* post */ 3949 radeon_combios_asic_init(rdev->ddev); 3950 /* Resume clock after posting */ 3951 r100_clock_startup(rdev); 3952 /* Initialize surface registers */ 3953 radeon_surface_init(rdev); 3954 3955 rdev->accel_working = true; 3956 r = r100_startup(rdev); 3957 if (r) { 3958 rdev->accel_working = false; 3959 } 3960 return r; 3961 } 3962 3963 int r100_suspend(struct radeon_device *rdev) 3964 { 3965 radeon_pm_suspend(rdev); 3966 r100_cp_disable(rdev); 3967 radeon_wb_disable(rdev); 3968 r100_irq_disable(rdev); 3969 if (rdev->flags & RADEON_IS_PCI) 3970 r100_pci_gart_disable(rdev); 3971 return 0; 3972 } 3973 3974 void r100_fini(struct radeon_device *rdev) 3975 { 3976 radeon_pm_fini(rdev); 3977 r100_cp_fini(rdev); 3978 radeon_wb_fini(rdev); 3979 radeon_ib_pool_fini(rdev); 3980 radeon_gem_fini(rdev); 3981 if (rdev->flags & RADEON_IS_PCI) 3982 r100_pci_gart_fini(rdev); 3983 radeon_agp_fini(rdev); 3984 radeon_irq_kms_fini(rdev); 3985 radeon_fence_driver_fini(rdev); 3986 radeon_bo_fini(rdev); 3987 radeon_atombios_fini(rdev); 3988 kfree(rdev->bios); 3989 rdev->bios = NULL; 3990 } 3991 3992 /* 3993 * Due to how kexec works, it can leave the hw fully initialised when it 3994 * boots the new kernel. However doing our init sequence with the CP and 3995 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup 3996 * do some quick sanity checks and restore sane values to avoid this 3997 * problem. 3998 */ 3999 void r100_restore_sanity(struct radeon_device *rdev) 4000 { 4001 u32 tmp; 4002 4003 tmp = RREG32(RADEON_CP_CSQ_CNTL); 4004 if (tmp) { 4005 WREG32(RADEON_CP_CSQ_CNTL, 0); 4006 } 4007 tmp = RREG32(RADEON_CP_RB_CNTL); 4008 if (tmp) { 4009 WREG32(RADEON_CP_RB_CNTL, 0); 4010 } 4011 tmp = RREG32(RADEON_SCRATCH_UMSK); 4012 if (tmp) { 4013 WREG32(RADEON_SCRATCH_UMSK, 0); 4014 } 4015 } 4016 4017 int r100_init(struct radeon_device *rdev) 4018 { 4019 int r; 4020 4021 /* Register debugfs file specific to this group of asics */ 4022 r100_debugfs_mc_info_init(rdev); 4023 /* Disable VGA */ 4024 r100_vga_render_disable(rdev); 4025 /* Initialize scratch registers */ 4026 radeon_scratch_init(rdev); 4027 /* Initialize surface registers */ 4028 radeon_surface_init(rdev); 4029 /* sanity check some register to avoid hangs like after kexec */ 4030 r100_restore_sanity(rdev); 4031 /* TODO: disable VGA need to use VGA request */ 4032 /* BIOS*/ 4033 if (!radeon_get_bios(rdev)) { 4034 if (ASIC_IS_AVIVO(rdev)) 4035 return -EINVAL; 4036 } 4037 if (rdev->is_atom_bios) { 4038 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n"); 4039 return -EINVAL; 4040 } else { 4041 r = radeon_combios_init(rdev); 4042 if (r) 4043 return r; 4044 } 4045 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 4046 if (radeon_asic_reset(rdev)) { 4047 dev_warn(rdev->dev, 4048 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 4049 RREG32(R_000E40_RBBM_STATUS), 4050 RREG32(R_0007C0_CP_STAT)); 4051 } 4052 /* check if cards are posted or not */ 4053 if (radeon_boot_test_post_card(rdev) == false) 4054 return -EINVAL; 4055 /* Set asic errata */ 4056 r100_errata(rdev); 4057 /* Initialize clocks */ 4058 radeon_get_clock_info(rdev->ddev); 4059 /* initialize AGP */ 4060 if (rdev->flags & RADEON_IS_AGP) { 4061 r = radeon_agp_init(rdev); 4062 if (r) { 4063 radeon_agp_disable(rdev); 4064 } 4065 } 4066 /* initialize VRAM */ 4067 r100_mc_init(rdev); 4068 /* Fence driver */ 4069 radeon_fence_driver_init(rdev); 4070 /* Memory manager */ 4071 r = radeon_bo_init(rdev); 4072 if (r) 4073 return r; 4074 if (rdev->flags & RADEON_IS_PCI) { 4075 r = r100_pci_gart_init(rdev); 4076 if (r) 4077 return r; 4078 } 4079 r100_set_safe_registers(rdev); 4080 4081 /* Initialize power management */ 4082 radeon_pm_init(rdev); 4083 4084 rdev->accel_working = true; 4085 r = r100_startup(rdev); 4086 if (r) { 4087 /* Somethings want wront with the accel init stop accel */ 4088 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 4089 r100_cp_fini(rdev); 4090 radeon_wb_fini(rdev); 4091 radeon_ib_pool_fini(rdev); 4092 radeon_irq_kms_fini(rdev); 4093 if (rdev->flags & RADEON_IS_PCI) 4094 r100_pci_gart_fini(rdev); 4095 rdev->accel_working = false; 4096 } 4097 return 0; 4098 } 4099 4100 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg) 4101 { 4102 unsigned long flags; 4103 uint32_t ret; 4104 4105 spin_lock_irqsave(&rdev->mmio_idx_lock, flags); 4106 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); 4107 ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); 4108 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags); 4109 return ret; 4110 } 4111 4112 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v) 4113 { 4114 unsigned long flags; 4115 4116 spin_lock_irqsave(&rdev->mmio_idx_lock, flags); 4117 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); 4118 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); 4119 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags); 4120 } 4121 4122 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg) 4123 { 4124 if (reg < rdev->rio_mem_size) 4125 return ioread32(rdev->rio_mem + reg); 4126 else { 4127 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX); 4128 return ioread32(rdev->rio_mem + RADEON_MM_DATA); 4129 } 4130 } 4131 4132 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v) 4133 { 4134 if (reg < rdev->rio_mem_size) 4135 iowrite32(v, rdev->rio_mem + reg); 4136 else { 4137 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX); 4138 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA); 4139 } 4140 } 4141