1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #include <linux/seq_file.h> 29 #include <linux/slab.h> 30 #include <drm/drmP.h> 31 #include <drm/radeon_drm.h> 32 #include "radeon_reg.h" 33 #include "radeon.h" 34 #include "radeon_asic.h" 35 #include "r100d.h" 36 #include "rs100d.h" 37 #include "rv200d.h" 38 #include "rv250d.h" 39 #include "atom.h" 40 41 #include <linux/firmware.h> 42 #include <linux/module.h> 43 44 #include "r100_reg_safe.h" 45 #include "rn50_reg_safe.h" 46 47 /* Firmware Names */ 48 #define FIRMWARE_R100 "radeon/R100_cp.bin" 49 #define FIRMWARE_R200 "radeon/R200_cp.bin" 50 #define FIRMWARE_R300 "radeon/R300_cp.bin" 51 #define FIRMWARE_R420 "radeon/R420_cp.bin" 52 #define FIRMWARE_RS690 "radeon/RS690_cp.bin" 53 #define FIRMWARE_RS600 "radeon/RS600_cp.bin" 54 #define FIRMWARE_R520 "radeon/R520_cp.bin" 55 56 MODULE_FIRMWARE(FIRMWARE_R100); 57 MODULE_FIRMWARE(FIRMWARE_R200); 58 MODULE_FIRMWARE(FIRMWARE_R300); 59 MODULE_FIRMWARE(FIRMWARE_R420); 60 MODULE_FIRMWARE(FIRMWARE_RS690); 61 MODULE_FIRMWARE(FIRMWARE_RS600); 62 MODULE_FIRMWARE(FIRMWARE_R520); 63 64 #include "r100_track.h" 65 66 /* This files gather functions specifics to: 67 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 68 * and others in some cases. 69 */ 70 71 static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc) 72 { 73 if (crtc == 0) { 74 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR) 75 return true; 76 else 77 return false; 78 } else { 79 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR) 80 return true; 81 else 82 return false; 83 } 84 } 85 86 static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc) 87 { 88 u32 vline1, vline2; 89 90 if (crtc == 0) { 91 vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 92 vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 93 } else { 94 vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 95 vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 96 } 97 if (vline1 != vline2) 98 return true; 99 else 100 return false; 101 } 102 103 /** 104 * r100_wait_for_vblank - vblank wait asic callback. 105 * 106 * @rdev: radeon_device pointer 107 * @crtc: crtc to wait for vblank on 108 * 109 * Wait for vblank on the requested crtc (r1xx-r4xx). 110 */ 111 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc) 112 { 113 unsigned i = 0; 114 115 if (crtc >= rdev->num_crtc) 116 return; 117 118 if (crtc == 0) { 119 if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN)) 120 return; 121 } else { 122 if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN)) 123 return; 124 } 125 126 /* depending on when we hit vblank, we may be close to active; if so, 127 * wait for another frame. 128 */ 129 while (r100_is_in_vblank(rdev, crtc)) { 130 if (i++ % 100 == 0) { 131 if (!r100_is_counter_moving(rdev, crtc)) 132 break; 133 } 134 } 135 136 while (!r100_is_in_vblank(rdev, crtc)) { 137 if (i++ % 100 == 0) { 138 if (!r100_is_counter_moving(rdev, crtc)) 139 break; 140 } 141 } 142 } 143 144 /** 145 * r100_pre_page_flip - pre-pageflip callback. 146 * 147 * @rdev: radeon_device pointer 148 * @crtc: crtc to prepare for pageflip on 149 * 150 * Pre-pageflip callback (r1xx-r4xx). 151 * Enables the pageflip irq (vblank irq). 152 */ 153 void r100_pre_page_flip(struct radeon_device *rdev, int crtc) 154 { 155 /* enable the pflip int */ 156 radeon_irq_kms_pflip_irq_get(rdev, crtc); 157 } 158 159 /** 160 * r100_post_page_flip - pos-pageflip callback. 161 * 162 * @rdev: radeon_device pointer 163 * @crtc: crtc to cleanup pageflip on 164 * 165 * Post-pageflip callback (r1xx-r4xx). 166 * Disables the pageflip irq (vblank irq). 167 */ 168 void r100_post_page_flip(struct radeon_device *rdev, int crtc) 169 { 170 /* disable the pflip int */ 171 radeon_irq_kms_pflip_irq_put(rdev, crtc); 172 } 173 174 /** 175 * r100_page_flip - pageflip callback. 176 * 177 * @rdev: radeon_device pointer 178 * @crtc_id: crtc to cleanup pageflip on 179 * @crtc_base: new address of the crtc (GPU MC address) 180 * 181 * Does the actual pageflip (r1xx-r4xx). 182 * During vblank we take the crtc lock and wait for the update_pending 183 * bit to go high, when it does, we release the lock, and allow the 184 * double buffered update to take place. 185 * Returns the current update pending status. 186 */ 187 u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) 188 { 189 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 190 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK; 191 int i; 192 193 /* Lock the graphics update lock */ 194 /* update the scanout addresses */ 195 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); 196 197 /* Wait for update_pending to go high. */ 198 for (i = 0; i < rdev->usec_timeout; i++) { 199 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET) 200 break; 201 udelay(1); 202 } 203 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 204 205 /* Unlock the lock, so double-buffering can take place inside vblank */ 206 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK; 207 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); 208 209 /* Return current update_pending status: */ 210 return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET; 211 } 212 213 /** 214 * r100_pm_get_dynpm_state - look up dynpm power state callback. 215 * 216 * @rdev: radeon_device pointer 217 * 218 * Look up the optimal power state based on the 219 * current state of the GPU (r1xx-r5xx). 220 * Used for dynpm only. 221 */ 222 void r100_pm_get_dynpm_state(struct radeon_device *rdev) 223 { 224 int i; 225 rdev->pm.dynpm_can_upclock = true; 226 rdev->pm.dynpm_can_downclock = true; 227 228 switch (rdev->pm.dynpm_planned_action) { 229 case DYNPM_ACTION_MINIMUM: 230 rdev->pm.requested_power_state_index = 0; 231 rdev->pm.dynpm_can_downclock = false; 232 break; 233 case DYNPM_ACTION_DOWNCLOCK: 234 if (rdev->pm.current_power_state_index == 0) { 235 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 236 rdev->pm.dynpm_can_downclock = false; 237 } else { 238 if (rdev->pm.active_crtc_count > 1) { 239 for (i = 0; i < rdev->pm.num_power_states; i++) { 240 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 241 continue; 242 else if (i >= rdev->pm.current_power_state_index) { 243 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 244 break; 245 } else { 246 rdev->pm.requested_power_state_index = i; 247 break; 248 } 249 } 250 } else 251 rdev->pm.requested_power_state_index = 252 rdev->pm.current_power_state_index - 1; 253 } 254 /* don't use the power state if crtcs are active and no display flag is set */ 255 if ((rdev->pm.active_crtc_count > 0) && 256 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags & 257 RADEON_PM_MODE_NO_DISPLAY)) { 258 rdev->pm.requested_power_state_index++; 259 } 260 break; 261 case DYNPM_ACTION_UPCLOCK: 262 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 263 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 264 rdev->pm.dynpm_can_upclock = false; 265 } else { 266 if (rdev->pm.active_crtc_count > 1) { 267 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 268 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 269 continue; 270 else if (i <= rdev->pm.current_power_state_index) { 271 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 272 break; 273 } else { 274 rdev->pm.requested_power_state_index = i; 275 break; 276 } 277 } 278 } else 279 rdev->pm.requested_power_state_index = 280 rdev->pm.current_power_state_index + 1; 281 } 282 break; 283 case DYNPM_ACTION_DEFAULT: 284 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 285 rdev->pm.dynpm_can_upclock = false; 286 break; 287 case DYNPM_ACTION_NONE: 288 default: 289 DRM_ERROR("Requested mode for not defined action\n"); 290 return; 291 } 292 /* only one clock mode per power state */ 293 rdev->pm.requested_clock_mode_index = 0; 294 295 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 296 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 297 clock_info[rdev->pm.requested_clock_mode_index].sclk, 298 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 299 clock_info[rdev->pm.requested_clock_mode_index].mclk, 300 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 301 pcie_lanes); 302 } 303 304 /** 305 * r100_pm_init_profile - Initialize power profiles callback. 306 * 307 * @rdev: radeon_device pointer 308 * 309 * Initialize the power states used in profile mode 310 * (r1xx-r3xx). 311 * Used for profile mode only. 312 */ 313 void r100_pm_init_profile(struct radeon_device *rdev) 314 { 315 /* default */ 316 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 317 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 318 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 319 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 320 /* low sh */ 321 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 322 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 323 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 324 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 325 /* mid sh */ 326 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 327 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 328 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 329 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 330 /* high sh */ 331 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 332 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 333 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 334 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 335 /* low mh */ 336 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 337 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 338 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 339 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 340 /* mid mh */ 341 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 342 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 343 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 344 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 345 /* high mh */ 346 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 347 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 348 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 349 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 350 } 351 352 /** 353 * r100_pm_misc - set additional pm hw parameters callback. 354 * 355 * @rdev: radeon_device pointer 356 * 357 * Set non-clock parameters associated with a power state 358 * (voltage, pcie lanes, etc.) (r1xx-r4xx). 359 */ 360 void r100_pm_misc(struct radeon_device *rdev) 361 { 362 int requested_index = rdev->pm.requested_power_state_index; 363 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; 364 struct radeon_voltage *voltage = &ps->clock_info[0].voltage; 365 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl; 366 367 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { 368 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { 369 tmp = RREG32(voltage->gpio.reg); 370 if (voltage->active_high) 371 tmp |= voltage->gpio.mask; 372 else 373 tmp &= ~(voltage->gpio.mask); 374 WREG32(voltage->gpio.reg, tmp); 375 if (voltage->delay) 376 udelay(voltage->delay); 377 } else { 378 tmp = RREG32(voltage->gpio.reg); 379 if (voltage->active_high) 380 tmp &= ~voltage->gpio.mask; 381 else 382 tmp |= voltage->gpio.mask; 383 WREG32(voltage->gpio.reg, tmp); 384 if (voltage->delay) 385 udelay(voltage->delay); 386 } 387 } 388 389 sclk_cntl = RREG32_PLL(SCLK_CNTL); 390 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2); 391 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3); 392 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL); 393 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3); 394 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { 395 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN; 396 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE) 397 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE; 398 else 399 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE; 400 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) 401 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0); 402 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) 403 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2); 404 } else 405 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN; 406 407 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { 408 sclk_more_cntl |= IO_CG_VOLTAGE_DROP; 409 if (voltage->delay) { 410 sclk_more_cntl |= VOLTAGE_DROP_SYNC; 411 switch (voltage->delay) { 412 case 33: 413 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0); 414 break; 415 case 66: 416 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1); 417 break; 418 case 99: 419 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2); 420 break; 421 case 132: 422 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3); 423 break; 424 } 425 } else 426 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC; 427 } else 428 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP; 429 430 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) 431 sclk_cntl &= ~FORCE_HDP; 432 else 433 sclk_cntl |= FORCE_HDP; 434 435 WREG32_PLL(SCLK_CNTL, sclk_cntl); 436 WREG32_PLL(SCLK_CNTL2, sclk_cntl2); 437 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl); 438 439 /* set pcie lanes */ 440 if ((rdev->flags & RADEON_IS_PCIE) && 441 !(rdev->flags & RADEON_IS_IGP) && 442 rdev->asic->pm.set_pcie_lanes && 443 (ps->pcie_lanes != 444 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { 445 radeon_set_pcie_lanes(rdev, 446 ps->pcie_lanes); 447 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes); 448 } 449 } 450 451 /** 452 * r100_pm_prepare - pre-power state change callback. 453 * 454 * @rdev: radeon_device pointer 455 * 456 * Prepare for a power state change (r1xx-r4xx). 457 */ 458 void r100_pm_prepare(struct radeon_device *rdev) 459 { 460 struct drm_device *ddev = rdev->ddev; 461 struct drm_crtc *crtc; 462 struct radeon_crtc *radeon_crtc; 463 u32 tmp; 464 465 /* disable any active CRTCs */ 466 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 467 radeon_crtc = to_radeon_crtc(crtc); 468 if (radeon_crtc->enabled) { 469 if (radeon_crtc->crtc_id) { 470 tmp = RREG32(RADEON_CRTC2_GEN_CNTL); 471 tmp |= RADEON_CRTC2_DISP_REQ_EN_B; 472 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 473 } else { 474 tmp = RREG32(RADEON_CRTC_GEN_CNTL); 475 tmp |= RADEON_CRTC_DISP_REQ_EN_B; 476 WREG32(RADEON_CRTC_GEN_CNTL, tmp); 477 } 478 } 479 } 480 } 481 482 /** 483 * r100_pm_finish - post-power state change callback. 484 * 485 * @rdev: radeon_device pointer 486 * 487 * Clean up after a power state change (r1xx-r4xx). 488 */ 489 void r100_pm_finish(struct radeon_device *rdev) 490 { 491 struct drm_device *ddev = rdev->ddev; 492 struct drm_crtc *crtc; 493 struct radeon_crtc *radeon_crtc; 494 u32 tmp; 495 496 /* enable any active CRTCs */ 497 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 498 radeon_crtc = to_radeon_crtc(crtc); 499 if (radeon_crtc->enabled) { 500 if (radeon_crtc->crtc_id) { 501 tmp = RREG32(RADEON_CRTC2_GEN_CNTL); 502 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B; 503 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 504 } else { 505 tmp = RREG32(RADEON_CRTC_GEN_CNTL); 506 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B; 507 WREG32(RADEON_CRTC_GEN_CNTL, tmp); 508 } 509 } 510 } 511 } 512 513 /** 514 * r100_gui_idle - gui idle callback. 515 * 516 * @rdev: radeon_device pointer 517 * 518 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx). 519 * Returns true if idle, false if not. 520 */ 521 bool r100_gui_idle(struct radeon_device *rdev) 522 { 523 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE) 524 return false; 525 else 526 return true; 527 } 528 529 /* hpd for digital panel detect/disconnect */ 530 /** 531 * r100_hpd_sense - hpd sense callback. 532 * 533 * @rdev: radeon_device pointer 534 * @hpd: hpd (hotplug detect) pin 535 * 536 * Checks if a digital monitor is connected (r1xx-r4xx). 537 * Returns true if connected, false if not connected. 538 */ 539 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 540 { 541 bool connected = false; 542 543 switch (hpd) { 544 case RADEON_HPD_1: 545 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE) 546 connected = true; 547 break; 548 case RADEON_HPD_2: 549 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE) 550 connected = true; 551 break; 552 default: 553 break; 554 } 555 return connected; 556 } 557 558 /** 559 * r100_hpd_set_polarity - hpd set polarity callback. 560 * 561 * @rdev: radeon_device pointer 562 * @hpd: hpd (hotplug detect) pin 563 * 564 * Set the polarity of the hpd pin (r1xx-r4xx). 565 */ 566 void r100_hpd_set_polarity(struct radeon_device *rdev, 567 enum radeon_hpd_id hpd) 568 { 569 u32 tmp; 570 bool connected = r100_hpd_sense(rdev, hpd); 571 572 switch (hpd) { 573 case RADEON_HPD_1: 574 tmp = RREG32(RADEON_FP_GEN_CNTL); 575 if (connected) 576 tmp &= ~RADEON_FP_DETECT_INT_POL; 577 else 578 tmp |= RADEON_FP_DETECT_INT_POL; 579 WREG32(RADEON_FP_GEN_CNTL, tmp); 580 break; 581 case RADEON_HPD_2: 582 tmp = RREG32(RADEON_FP2_GEN_CNTL); 583 if (connected) 584 tmp &= ~RADEON_FP2_DETECT_INT_POL; 585 else 586 tmp |= RADEON_FP2_DETECT_INT_POL; 587 WREG32(RADEON_FP2_GEN_CNTL, tmp); 588 break; 589 default: 590 break; 591 } 592 } 593 594 /** 595 * r100_hpd_init - hpd setup callback. 596 * 597 * @rdev: radeon_device pointer 598 * 599 * Setup the hpd pins used by the card (r1xx-r4xx). 600 * Set the polarity, and enable the hpd interrupts. 601 */ 602 void r100_hpd_init(struct radeon_device *rdev) 603 { 604 struct drm_device *dev = rdev->ddev; 605 struct drm_connector *connector; 606 unsigned enable = 0; 607 608 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 609 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 610 enable |= 1 << radeon_connector->hpd.hpd; 611 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 612 } 613 radeon_irq_kms_enable_hpd(rdev, enable); 614 } 615 616 /** 617 * r100_hpd_fini - hpd tear down callback. 618 * 619 * @rdev: radeon_device pointer 620 * 621 * Tear down the hpd pins used by the card (r1xx-r4xx). 622 * Disable the hpd interrupts. 623 */ 624 void r100_hpd_fini(struct radeon_device *rdev) 625 { 626 struct drm_device *dev = rdev->ddev; 627 struct drm_connector *connector; 628 unsigned disable = 0; 629 630 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 631 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 632 disable |= 1 << radeon_connector->hpd.hpd; 633 } 634 radeon_irq_kms_disable_hpd(rdev, disable); 635 } 636 637 /* 638 * PCI GART 639 */ 640 void r100_pci_gart_tlb_flush(struct radeon_device *rdev) 641 { 642 /* TODO: can we do somethings here ? */ 643 /* It seems hw only cache one entry so we should discard this 644 * entry otherwise if first GPU GART read hit this entry it 645 * could end up in wrong address. */ 646 } 647 648 int r100_pci_gart_init(struct radeon_device *rdev) 649 { 650 int r; 651 652 if (rdev->gart.ptr) { 653 WARN(1, "R100 PCI GART already initialized\n"); 654 return 0; 655 } 656 /* Initialize common gart structure */ 657 r = radeon_gart_init(rdev); 658 if (r) 659 return r; 660 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; 661 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush; 662 rdev->asic->gart.set_page = &r100_pci_gart_set_page; 663 return radeon_gart_table_ram_alloc(rdev); 664 } 665 666 int r100_pci_gart_enable(struct radeon_device *rdev) 667 { 668 uint32_t tmp; 669 670 radeon_gart_restore(rdev); 671 /* discard memory request outside of configured range */ 672 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; 673 WREG32(RADEON_AIC_CNTL, tmp); 674 /* set address range for PCI address translate */ 675 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start); 676 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end); 677 /* set PCI GART page-table base address */ 678 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr); 679 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN; 680 WREG32(RADEON_AIC_CNTL, tmp); 681 r100_pci_gart_tlb_flush(rdev); 682 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n", 683 (unsigned)(rdev->mc.gtt_size >> 20), 684 (unsigned long long)rdev->gart.table_addr); 685 rdev->gart.ready = true; 686 return 0; 687 } 688 689 void r100_pci_gart_disable(struct radeon_device *rdev) 690 { 691 uint32_t tmp; 692 693 /* discard memory request outside of configured range */ 694 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; 695 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN); 696 WREG32(RADEON_AIC_LO_ADDR, 0); 697 WREG32(RADEON_AIC_HI_ADDR, 0); 698 } 699 700 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) 701 { 702 u32 *gtt = rdev->gart.ptr; 703 704 if (i < 0 || i > rdev->gart.num_gpu_pages) { 705 return -EINVAL; 706 } 707 gtt[i] = cpu_to_le32(lower_32_bits(addr)); 708 return 0; 709 } 710 711 void r100_pci_gart_fini(struct radeon_device *rdev) 712 { 713 radeon_gart_fini(rdev); 714 r100_pci_gart_disable(rdev); 715 radeon_gart_table_ram_free(rdev); 716 } 717 718 int r100_irq_set(struct radeon_device *rdev) 719 { 720 uint32_t tmp = 0; 721 722 if (!rdev->irq.installed) { 723 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 724 WREG32(R_000040_GEN_INT_CNTL, 0); 725 return -EINVAL; 726 } 727 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 728 tmp |= RADEON_SW_INT_ENABLE; 729 } 730 if (rdev->irq.crtc_vblank_int[0] || 731 atomic_read(&rdev->irq.pflip[0])) { 732 tmp |= RADEON_CRTC_VBLANK_MASK; 733 } 734 if (rdev->irq.crtc_vblank_int[1] || 735 atomic_read(&rdev->irq.pflip[1])) { 736 tmp |= RADEON_CRTC2_VBLANK_MASK; 737 } 738 if (rdev->irq.hpd[0]) { 739 tmp |= RADEON_FP_DETECT_MASK; 740 } 741 if (rdev->irq.hpd[1]) { 742 tmp |= RADEON_FP2_DETECT_MASK; 743 } 744 WREG32(RADEON_GEN_INT_CNTL, tmp); 745 return 0; 746 } 747 748 void r100_irq_disable(struct radeon_device *rdev) 749 { 750 u32 tmp; 751 752 WREG32(R_000040_GEN_INT_CNTL, 0); 753 /* Wait and acknowledge irq */ 754 mdelay(1); 755 tmp = RREG32(R_000044_GEN_INT_STATUS); 756 WREG32(R_000044_GEN_INT_STATUS, tmp); 757 } 758 759 static uint32_t r100_irq_ack(struct radeon_device *rdev) 760 { 761 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS); 762 uint32_t irq_mask = RADEON_SW_INT_TEST | 763 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT | 764 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT; 765 766 if (irqs) { 767 WREG32(RADEON_GEN_INT_STATUS, irqs); 768 } 769 return irqs & irq_mask; 770 } 771 772 int r100_irq_process(struct radeon_device *rdev) 773 { 774 uint32_t status, msi_rearm; 775 bool queue_hotplug = false; 776 777 status = r100_irq_ack(rdev); 778 if (!status) { 779 return IRQ_NONE; 780 } 781 if (rdev->shutdown) { 782 return IRQ_NONE; 783 } 784 while (status) { 785 /* SW interrupt */ 786 if (status & RADEON_SW_INT_TEST) { 787 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 788 } 789 /* Vertical blank interrupts */ 790 if (status & RADEON_CRTC_VBLANK_STAT) { 791 if (rdev->irq.crtc_vblank_int[0]) { 792 drm_handle_vblank(rdev->ddev, 0); 793 rdev->pm.vblank_sync = true; 794 wake_up(&rdev->irq.vblank_queue); 795 } 796 if (atomic_read(&rdev->irq.pflip[0])) 797 radeon_crtc_handle_flip(rdev, 0); 798 } 799 if (status & RADEON_CRTC2_VBLANK_STAT) { 800 if (rdev->irq.crtc_vblank_int[1]) { 801 drm_handle_vblank(rdev->ddev, 1); 802 rdev->pm.vblank_sync = true; 803 wake_up(&rdev->irq.vblank_queue); 804 } 805 if (atomic_read(&rdev->irq.pflip[1])) 806 radeon_crtc_handle_flip(rdev, 1); 807 } 808 if (status & RADEON_FP_DETECT_STAT) { 809 queue_hotplug = true; 810 DRM_DEBUG("HPD1\n"); 811 } 812 if (status & RADEON_FP2_DETECT_STAT) { 813 queue_hotplug = true; 814 DRM_DEBUG("HPD2\n"); 815 } 816 status = r100_irq_ack(rdev); 817 } 818 if (queue_hotplug) 819 schedule_work(&rdev->hotplug_work); 820 if (rdev->msi_enabled) { 821 switch (rdev->family) { 822 case CHIP_RS400: 823 case CHIP_RS480: 824 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM; 825 WREG32(RADEON_AIC_CNTL, msi_rearm); 826 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM); 827 break; 828 default: 829 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); 830 break; 831 } 832 } 833 return IRQ_HANDLED; 834 } 835 836 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc) 837 { 838 if (crtc == 0) 839 return RREG32(RADEON_CRTC_CRNT_FRAME); 840 else 841 return RREG32(RADEON_CRTC2_CRNT_FRAME); 842 } 843 844 /* Who ever call radeon_fence_emit should call ring_lock and ask 845 * for enough space (today caller are ib schedule and buffer move) */ 846 void r100_fence_ring_emit(struct radeon_device *rdev, 847 struct radeon_fence *fence) 848 { 849 struct radeon_ring *ring = &rdev->ring[fence->ring]; 850 851 /* We have to make sure that caches are flushed before 852 * CPU might read something from VRAM. */ 853 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0)); 854 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL); 855 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0)); 856 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL); 857 /* Wait until IDLE & CLEAN */ 858 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 859 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN); 860 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 861 radeon_ring_write(ring, rdev->config.r100.hdp_cntl | 862 RADEON_HDP_READ_BUFFER_INVALIDATE); 863 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 864 radeon_ring_write(ring, rdev->config.r100.hdp_cntl); 865 /* Emit fence sequence & fire IRQ */ 866 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0)); 867 radeon_ring_write(ring, fence->seq); 868 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0)); 869 radeon_ring_write(ring, RADEON_SW_INT_FIRE); 870 } 871 872 bool r100_semaphore_ring_emit(struct radeon_device *rdev, 873 struct radeon_ring *ring, 874 struct radeon_semaphore *semaphore, 875 bool emit_wait) 876 { 877 /* Unused on older asics, since we don't have semaphores or multiple rings */ 878 BUG(); 879 return false; 880 } 881 882 int r100_copy_blit(struct radeon_device *rdev, 883 uint64_t src_offset, 884 uint64_t dst_offset, 885 unsigned num_gpu_pages, 886 struct radeon_fence **fence) 887 { 888 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 889 uint32_t cur_pages; 890 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE; 891 uint32_t pitch; 892 uint32_t stride_pixels; 893 unsigned ndw; 894 int num_loops; 895 int r = 0; 896 897 /* radeon limited to 16k stride */ 898 stride_bytes &= 0x3fff; 899 /* radeon pitch is /64 */ 900 pitch = stride_bytes / 64; 901 stride_pixels = stride_bytes / 4; 902 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191); 903 904 /* Ask for enough room for blit + flush + fence */ 905 ndw = 64 + (10 * num_loops); 906 r = radeon_ring_lock(rdev, ring, ndw); 907 if (r) { 908 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw); 909 return -EINVAL; 910 } 911 while (num_gpu_pages > 0) { 912 cur_pages = num_gpu_pages; 913 if (cur_pages > 8191) { 914 cur_pages = 8191; 915 } 916 num_gpu_pages -= cur_pages; 917 918 /* pages are in Y direction - height 919 page width in X direction - width */ 920 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8)); 921 radeon_ring_write(ring, 922 RADEON_GMC_SRC_PITCH_OFFSET_CNTL | 923 RADEON_GMC_DST_PITCH_OFFSET_CNTL | 924 RADEON_GMC_SRC_CLIPPING | 925 RADEON_GMC_DST_CLIPPING | 926 RADEON_GMC_BRUSH_NONE | 927 (RADEON_COLOR_FORMAT_ARGB8888 << 8) | 928 RADEON_GMC_SRC_DATATYPE_COLOR | 929 RADEON_ROP3_S | 930 RADEON_DP_SRC_SOURCE_MEMORY | 931 RADEON_GMC_CLR_CMP_CNTL_DIS | 932 RADEON_GMC_WR_MSK_DIS); 933 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10)); 934 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10)); 935 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16)); 936 radeon_ring_write(ring, 0); 937 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16)); 938 radeon_ring_write(ring, num_gpu_pages); 939 radeon_ring_write(ring, num_gpu_pages); 940 radeon_ring_write(ring, cur_pages | (stride_pixels << 16)); 941 } 942 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0)); 943 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL); 944 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 945 radeon_ring_write(ring, 946 RADEON_WAIT_2D_IDLECLEAN | 947 RADEON_WAIT_HOST_IDLECLEAN | 948 RADEON_WAIT_DMA_GUI_IDLE); 949 if (fence) { 950 r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX); 951 } 952 radeon_ring_unlock_commit(rdev, ring); 953 return r; 954 } 955 956 static int r100_cp_wait_for_idle(struct radeon_device *rdev) 957 { 958 unsigned i; 959 u32 tmp; 960 961 for (i = 0; i < rdev->usec_timeout; i++) { 962 tmp = RREG32(R_000E40_RBBM_STATUS); 963 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) { 964 return 0; 965 } 966 udelay(1); 967 } 968 return -1; 969 } 970 971 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring) 972 { 973 int r; 974 975 r = radeon_ring_lock(rdev, ring, 2); 976 if (r) { 977 return; 978 } 979 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0)); 980 radeon_ring_write(ring, 981 RADEON_ISYNC_ANY2D_IDLE3D | 982 RADEON_ISYNC_ANY3D_IDLE2D | 983 RADEON_ISYNC_WAIT_IDLEGUI | 984 RADEON_ISYNC_CPSCRATCH_IDLEGUI); 985 radeon_ring_unlock_commit(rdev, ring); 986 } 987 988 989 /* Load the microcode for the CP */ 990 static int r100_cp_init_microcode(struct radeon_device *rdev) 991 { 992 const char *fw_name = NULL; 993 int err; 994 995 DRM_DEBUG_KMS("\n"); 996 997 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || 998 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || 999 (rdev->family == CHIP_RS200)) { 1000 DRM_INFO("Loading R100 Microcode\n"); 1001 fw_name = FIRMWARE_R100; 1002 } else if ((rdev->family == CHIP_R200) || 1003 (rdev->family == CHIP_RV250) || 1004 (rdev->family == CHIP_RV280) || 1005 (rdev->family == CHIP_RS300)) { 1006 DRM_INFO("Loading R200 Microcode\n"); 1007 fw_name = FIRMWARE_R200; 1008 } else if ((rdev->family == CHIP_R300) || 1009 (rdev->family == CHIP_R350) || 1010 (rdev->family == CHIP_RV350) || 1011 (rdev->family == CHIP_RV380) || 1012 (rdev->family == CHIP_RS400) || 1013 (rdev->family == CHIP_RS480)) { 1014 DRM_INFO("Loading R300 Microcode\n"); 1015 fw_name = FIRMWARE_R300; 1016 } else if ((rdev->family == CHIP_R420) || 1017 (rdev->family == CHIP_R423) || 1018 (rdev->family == CHIP_RV410)) { 1019 DRM_INFO("Loading R400 Microcode\n"); 1020 fw_name = FIRMWARE_R420; 1021 } else if ((rdev->family == CHIP_RS690) || 1022 (rdev->family == CHIP_RS740)) { 1023 DRM_INFO("Loading RS690/RS740 Microcode\n"); 1024 fw_name = FIRMWARE_RS690; 1025 } else if (rdev->family == CHIP_RS600) { 1026 DRM_INFO("Loading RS600 Microcode\n"); 1027 fw_name = FIRMWARE_RS600; 1028 } else if ((rdev->family == CHIP_RV515) || 1029 (rdev->family == CHIP_R520) || 1030 (rdev->family == CHIP_RV530) || 1031 (rdev->family == CHIP_R580) || 1032 (rdev->family == CHIP_RV560) || 1033 (rdev->family == CHIP_RV570)) { 1034 DRM_INFO("Loading R500 Microcode\n"); 1035 fw_name = FIRMWARE_R520; 1036 } 1037 1038 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 1039 if (err) { 1040 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n", 1041 fw_name); 1042 } else if (rdev->me_fw->size % 8) { 1043 printk(KERN_ERR 1044 "radeon_cp: Bogus length %zu in firmware \"%s\"\n", 1045 rdev->me_fw->size, fw_name); 1046 err = -EINVAL; 1047 release_firmware(rdev->me_fw); 1048 rdev->me_fw = NULL; 1049 } 1050 return err; 1051 } 1052 1053 u32 r100_gfx_get_rptr(struct radeon_device *rdev, 1054 struct radeon_ring *ring) 1055 { 1056 u32 rptr; 1057 1058 if (rdev->wb.enabled) 1059 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]); 1060 else 1061 rptr = RREG32(RADEON_CP_RB_RPTR); 1062 1063 return rptr; 1064 } 1065 1066 u32 r100_gfx_get_wptr(struct radeon_device *rdev, 1067 struct radeon_ring *ring) 1068 { 1069 u32 wptr; 1070 1071 wptr = RREG32(RADEON_CP_RB_WPTR); 1072 1073 return wptr; 1074 } 1075 1076 void r100_gfx_set_wptr(struct radeon_device *rdev, 1077 struct radeon_ring *ring) 1078 { 1079 WREG32(RADEON_CP_RB_WPTR, ring->wptr); 1080 (void)RREG32(RADEON_CP_RB_WPTR); 1081 } 1082 1083 static void r100_cp_load_microcode(struct radeon_device *rdev) 1084 { 1085 const __be32 *fw_data; 1086 int i, size; 1087 1088 if (r100_gui_wait_for_idle(rdev)) { 1089 printk(KERN_WARNING "Failed to wait GUI idle while " 1090 "programming pipes. Bad things might happen.\n"); 1091 } 1092 1093 if (rdev->me_fw) { 1094 size = rdev->me_fw->size / 4; 1095 fw_data = (const __be32 *)&rdev->me_fw->data[0]; 1096 WREG32(RADEON_CP_ME_RAM_ADDR, 0); 1097 for (i = 0; i < size; i += 2) { 1098 WREG32(RADEON_CP_ME_RAM_DATAH, 1099 be32_to_cpup(&fw_data[i])); 1100 WREG32(RADEON_CP_ME_RAM_DATAL, 1101 be32_to_cpup(&fw_data[i + 1])); 1102 } 1103 } 1104 } 1105 1106 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) 1107 { 1108 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1109 unsigned rb_bufsz; 1110 unsigned rb_blksz; 1111 unsigned max_fetch; 1112 unsigned pre_write_timer; 1113 unsigned pre_write_limit; 1114 unsigned indirect2_start; 1115 unsigned indirect1_start; 1116 uint32_t tmp; 1117 int r; 1118 1119 if (r100_debugfs_cp_init(rdev)) { 1120 DRM_ERROR("Failed to register debugfs file for CP !\n"); 1121 } 1122 if (!rdev->me_fw) { 1123 r = r100_cp_init_microcode(rdev); 1124 if (r) { 1125 DRM_ERROR("Failed to load firmware!\n"); 1126 return r; 1127 } 1128 } 1129 1130 /* Align ring size */ 1131 rb_bufsz = order_base_2(ring_size / 8); 1132 ring_size = (1 << (rb_bufsz + 1)) * 4; 1133 r100_cp_load_microcode(rdev); 1134 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET, 1135 RADEON_CP_PACKET2); 1136 if (r) { 1137 return r; 1138 } 1139 /* Each time the cp read 1024 bytes (16 dword/quadword) update 1140 * the rptr copy in system ram */ 1141 rb_blksz = 9; 1142 /* cp will read 128bytes at a time (4 dwords) */ 1143 max_fetch = 1; 1144 ring->align_mask = 16 - 1; 1145 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */ 1146 pre_write_timer = 64; 1147 /* Force CP_RB_WPTR write if written more than one time before the 1148 * delay expire 1149 */ 1150 pre_write_limit = 0; 1151 /* Setup the cp cache like this (cache size is 96 dwords) : 1152 * RING 0 to 15 1153 * INDIRECT1 16 to 79 1154 * INDIRECT2 80 to 95 1155 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) 1156 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords)) 1157 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) 1158 * Idea being that most of the gpu cmd will be through indirect1 buffer 1159 * so it gets the bigger cache. 1160 */ 1161 indirect2_start = 80; 1162 indirect1_start = 16; 1163 /* cp setup */ 1164 WREG32(0x718, pre_write_timer | (pre_write_limit << 28)); 1165 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) | 1166 REG_SET(RADEON_RB_BLKSZ, rb_blksz) | 1167 REG_SET(RADEON_MAX_FETCH, max_fetch)); 1168 #ifdef __BIG_ENDIAN 1169 tmp |= RADEON_BUF_SWAP_32BIT; 1170 #endif 1171 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE); 1172 1173 /* Set ring address */ 1174 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr); 1175 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr); 1176 /* Force read & write ptr to 0 */ 1177 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE); 1178 WREG32(RADEON_CP_RB_RPTR_WR, 0); 1179 ring->wptr = 0; 1180 WREG32(RADEON_CP_RB_WPTR, ring->wptr); 1181 1182 /* set the wb address whether it's enabled or not */ 1183 WREG32(R_00070C_CP_RB_RPTR_ADDR, 1184 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2)); 1185 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET); 1186 1187 if (rdev->wb.enabled) 1188 WREG32(R_000770_SCRATCH_UMSK, 0xff); 1189 else { 1190 tmp |= RADEON_RB_NO_UPDATE; 1191 WREG32(R_000770_SCRATCH_UMSK, 0); 1192 } 1193 1194 WREG32(RADEON_CP_RB_CNTL, tmp); 1195 udelay(10); 1196 /* Set cp mode to bus mastering & enable cp*/ 1197 WREG32(RADEON_CP_CSQ_MODE, 1198 REG_SET(RADEON_INDIRECT2_START, indirect2_start) | 1199 REG_SET(RADEON_INDIRECT1_START, indirect1_start)); 1200 WREG32(RADEON_CP_RB_WPTR_DELAY, 0); 1201 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D); 1202 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM); 1203 1204 /* at this point everything should be setup correctly to enable master */ 1205 pci_set_master(rdev->pdev); 1206 1207 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1208 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 1209 if (r) { 1210 DRM_ERROR("radeon: cp isn't working (%d).\n", r); 1211 return r; 1212 } 1213 ring->ready = true; 1214 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 1215 1216 if (!ring->rptr_save_reg /* not resuming from suspend */ 1217 && radeon_ring_supports_scratch_reg(rdev, ring)) { 1218 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 1219 if (r) { 1220 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 1221 ring->rptr_save_reg = 0; 1222 } 1223 } 1224 return 0; 1225 } 1226 1227 void r100_cp_fini(struct radeon_device *rdev) 1228 { 1229 if (r100_cp_wait_for_idle(rdev)) { 1230 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n"); 1231 } 1232 /* Disable ring */ 1233 r100_cp_disable(rdev); 1234 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg); 1235 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1236 DRM_INFO("radeon: cp finalized\n"); 1237 } 1238 1239 void r100_cp_disable(struct radeon_device *rdev) 1240 { 1241 /* Disable ring */ 1242 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1243 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1244 WREG32(RADEON_CP_CSQ_MODE, 0); 1245 WREG32(RADEON_CP_CSQ_CNTL, 0); 1246 WREG32(R_000770_SCRATCH_UMSK, 0); 1247 if (r100_gui_wait_for_idle(rdev)) { 1248 printk(KERN_WARNING "Failed to wait GUI idle while " 1249 "programming pipes. Bad things might happen.\n"); 1250 } 1251 } 1252 1253 /* 1254 * CS functions 1255 */ 1256 int r100_reloc_pitch_offset(struct radeon_cs_parser *p, 1257 struct radeon_cs_packet *pkt, 1258 unsigned idx, 1259 unsigned reg) 1260 { 1261 int r; 1262 u32 tile_flags = 0; 1263 u32 tmp; 1264 struct radeon_cs_reloc *reloc; 1265 u32 value; 1266 1267 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1268 if (r) { 1269 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1270 idx, reg); 1271 radeon_cs_dump_packet(p, pkt); 1272 return r; 1273 } 1274 1275 value = radeon_get_ib_value(p, idx); 1276 tmp = value & 0x003fffff; 1277 tmp += (((u32)reloc->lobj.gpu_offset) >> 10); 1278 1279 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1280 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) 1281 tile_flags |= RADEON_DST_TILE_MACRO; 1282 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { 1283 if (reg == RADEON_SRC_PITCH_OFFSET) { 1284 DRM_ERROR("Cannot src blit from microtiled surface\n"); 1285 radeon_cs_dump_packet(p, pkt); 1286 return -EINVAL; 1287 } 1288 tile_flags |= RADEON_DST_TILE_MICRO; 1289 } 1290 1291 tmp |= tile_flags; 1292 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp; 1293 } else 1294 p->ib.ptr[idx] = (value & 0xffc00000) | tmp; 1295 return 0; 1296 } 1297 1298 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p, 1299 struct radeon_cs_packet *pkt, 1300 int idx) 1301 { 1302 unsigned c, i; 1303 struct radeon_cs_reloc *reloc; 1304 struct r100_cs_track *track; 1305 int r = 0; 1306 volatile uint32_t *ib; 1307 u32 idx_value; 1308 1309 ib = p->ib.ptr; 1310 track = (struct r100_cs_track *)p->track; 1311 c = radeon_get_ib_value(p, idx++) & 0x1F; 1312 if (c > 16) { 1313 DRM_ERROR("Only 16 vertex buffers are allowed %d\n", 1314 pkt->opcode); 1315 radeon_cs_dump_packet(p, pkt); 1316 return -EINVAL; 1317 } 1318 track->num_arrays = c; 1319 for (i = 0; i < (c - 1); i+=2, idx+=3) { 1320 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1321 if (r) { 1322 DRM_ERROR("No reloc for packet3 %d\n", 1323 pkt->opcode); 1324 radeon_cs_dump_packet(p, pkt); 1325 return r; 1326 } 1327 idx_value = radeon_get_ib_value(p, idx); 1328 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset); 1329 1330 track->arrays[i + 0].esize = idx_value >> 8; 1331 track->arrays[i + 0].robj = reloc->robj; 1332 track->arrays[i + 0].esize &= 0x7F; 1333 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1334 if (r) { 1335 DRM_ERROR("No reloc for packet3 %d\n", 1336 pkt->opcode); 1337 radeon_cs_dump_packet(p, pkt); 1338 return r; 1339 } 1340 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->lobj.gpu_offset); 1341 track->arrays[i + 1].robj = reloc->robj; 1342 track->arrays[i + 1].esize = idx_value >> 24; 1343 track->arrays[i + 1].esize &= 0x7F; 1344 } 1345 if (c & 1) { 1346 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1347 if (r) { 1348 DRM_ERROR("No reloc for packet3 %d\n", 1349 pkt->opcode); 1350 radeon_cs_dump_packet(p, pkt); 1351 return r; 1352 } 1353 idx_value = radeon_get_ib_value(p, idx); 1354 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset); 1355 track->arrays[i + 0].robj = reloc->robj; 1356 track->arrays[i + 0].esize = idx_value >> 8; 1357 track->arrays[i + 0].esize &= 0x7F; 1358 } 1359 return r; 1360 } 1361 1362 int r100_cs_parse_packet0(struct radeon_cs_parser *p, 1363 struct radeon_cs_packet *pkt, 1364 const unsigned *auth, unsigned n, 1365 radeon_packet0_check_t check) 1366 { 1367 unsigned reg; 1368 unsigned i, j, m; 1369 unsigned idx; 1370 int r; 1371 1372 idx = pkt->idx + 1; 1373 reg = pkt->reg; 1374 /* Check that register fall into register range 1375 * determined by the number of entry (n) in the 1376 * safe register bitmap. 1377 */ 1378 if (pkt->one_reg_wr) { 1379 if ((reg >> 7) > n) { 1380 return -EINVAL; 1381 } 1382 } else { 1383 if (((reg + (pkt->count << 2)) >> 7) > n) { 1384 return -EINVAL; 1385 } 1386 } 1387 for (i = 0; i <= pkt->count; i++, idx++) { 1388 j = (reg >> 7); 1389 m = 1 << ((reg >> 2) & 31); 1390 if (auth[j] & m) { 1391 r = check(p, pkt, idx, reg); 1392 if (r) { 1393 return r; 1394 } 1395 } 1396 if (pkt->one_reg_wr) { 1397 if (!(auth[j] & m)) { 1398 break; 1399 } 1400 } else { 1401 reg += 4; 1402 } 1403 } 1404 return 0; 1405 } 1406 1407 /** 1408 * r100_cs_packet_next_vline() - parse userspace VLINE packet 1409 * @parser: parser structure holding parsing context. 1410 * 1411 * Userspace sends a special sequence for VLINE waits. 1412 * PACKET0 - VLINE_START_END + value 1413 * PACKET0 - WAIT_UNTIL +_value 1414 * RELOC (P3) - crtc_id in reloc. 1415 * 1416 * This function parses this and relocates the VLINE START END 1417 * and WAIT UNTIL packets to the correct crtc. 1418 * It also detects a switched off crtc and nulls out the 1419 * wait in that case. 1420 */ 1421 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) 1422 { 1423 struct drm_mode_object *obj; 1424 struct drm_crtc *crtc; 1425 struct radeon_crtc *radeon_crtc; 1426 struct radeon_cs_packet p3reloc, waitreloc; 1427 int crtc_id; 1428 int r; 1429 uint32_t header, h_idx, reg; 1430 volatile uint32_t *ib; 1431 1432 ib = p->ib.ptr; 1433 1434 /* parse the wait until */ 1435 r = radeon_cs_packet_parse(p, &waitreloc, p->idx); 1436 if (r) 1437 return r; 1438 1439 /* check its a wait until and only 1 count */ 1440 if (waitreloc.reg != RADEON_WAIT_UNTIL || 1441 waitreloc.count != 0) { 1442 DRM_ERROR("vline wait had illegal wait until segment\n"); 1443 return -EINVAL; 1444 } 1445 1446 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) { 1447 DRM_ERROR("vline wait had illegal wait until\n"); 1448 return -EINVAL; 1449 } 1450 1451 /* jump over the NOP */ 1452 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2); 1453 if (r) 1454 return r; 1455 1456 h_idx = p->idx - 2; 1457 p->idx += waitreloc.count + 2; 1458 p->idx += p3reloc.count + 2; 1459 1460 header = radeon_get_ib_value(p, h_idx); 1461 crtc_id = radeon_get_ib_value(p, h_idx + 5); 1462 reg = R100_CP_PACKET0_GET_REG(header); 1463 obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); 1464 if (!obj) { 1465 DRM_ERROR("cannot find crtc %d\n", crtc_id); 1466 return -ENOENT; 1467 } 1468 crtc = obj_to_crtc(obj); 1469 radeon_crtc = to_radeon_crtc(crtc); 1470 crtc_id = radeon_crtc->crtc_id; 1471 1472 if (!crtc->enabled) { 1473 /* if the CRTC isn't enabled - we need to nop out the wait until */ 1474 ib[h_idx + 2] = PACKET2(0); 1475 ib[h_idx + 3] = PACKET2(0); 1476 } else if (crtc_id == 1) { 1477 switch (reg) { 1478 case AVIVO_D1MODE_VLINE_START_END: 1479 header &= ~R300_CP_PACKET0_REG_MASK; 1480 header |= AVIVO_D2MODE_VLINE_START_END >> 2; 1481 break; 1482 case RADEON_CRTC_GUI_TRIG_VLINE: 1483 header &= ~R300_CP_PACKET0_REG_MASK; 1484 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2; 1485 break; 1486 default: 1487 DRM_ERROR("unknown crtc reloc\n"); 1488 return -EINVAL; 1489 } 1490 ib[h_idx] = header; 1491 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1; 1492 } 1493 1494 return 0; 1495 } 1496 1497 static int r100_get_vtx_size(uint32_t vtx_fmt) 1498 { 1499 int vtx_size; 1500 vtx_size = 2; 1501 /* ordered according to bits in spec */ 1502 if (vtx_fmt & RADEON_SE_VTX_FMT_W0) 1503 vtx_size++; 1504 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR) 1505 vtx_size += 3; 1506 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA) 1507 vtx_size++; 1508 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR) 1509 vtx_size++; 1510 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC) 1511 vtx_size += 3; 1512 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG) 1513 vtx_size++; 1514 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC) 1515 vtx_size++; 1516 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0) 1517 vtx_size += 2; 1518 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1) 1519 vtx_size += 2; 1520 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1) 1521 vtx_size++; 1522 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2) 1523 vtx_size += 2; 1524 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2) 1525 vtx_size++; 1526 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3) 1527 vtx_size += 2; 1528 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3) 1529 vtx_size++; 1530 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0) 1531 vtx_size++; 1532 /* blend weight */ 1533 if (vtx_fmt & (0x7 << 15)) 1534 vtx_size += (vtx_fmt >> 15) & 0x7; 1535 if (vtx_fmt & RADEON_SE_VTX_FMT_N0) 1536 vtx_size += 3; 1537 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1) 1538 vtx_size += 2; 1539 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1) 1540 vtx_size++; 1541 if (vtx_fmt & RADEON_SE_VTX_FMT_W1) 1542 vtx_size++; 1543 if (vtx_fmt & RADEON_SE_VTX_FMT_N1) 1544 vtx_size++; 1545 if (vtx_fmt & RADEON_SE_VTX_FMT_Z) 1546 vtx_size++; 1547 return vtx_size; 1548 } 1549 1550 static int r100_packet0_check(struct radeon_cs_parser *p, 1551 struct radeon_cs_packet *pkt, 1552 unsigned idx, unsigned reg) 1553 { 1554 struct radeon_cs_reloc *reloc; 1555 struct r100_cs_track *track; 1556 volatile uint32_t *ib; 1557 uint32_t tmp; 1558 int r; 1559 int i, face; 1560 u32 tile_flags = 0; 1561 u32 idx_value; 1562 1563 ib = p->ib.ptr; 1564 track = (struct r100_cs_track *)p->track; 1565 1566 idx_value = radeon_get_ib_value(p, idx); 1567 1568 switch (reg) { 1569 case RADEON_CRTC_GUI_TRIG_VLINE: 1570 r = r100_cs_packet_parse_vline(p); 1571 if (r) { 1572 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1573 idx, reg); 1574 radeon_cs_dump_packet(p, pkt); 1575 return r; 1576 } 1577 break; 1578 /* FIXME: only allow PACKET3 blit? easier to check for out of 1579 * range access */ 1580 case RADEON_DST_PITCH_OFFSET: 1581 case RADEON_SRC_PITCH_OFFSET: 1582 r = r100_reloc_pitch_offset(p, pkt, idx, reg); 1583 if (r) 1584 return r; 1585 break; 1586 case RADEON_RB3D_DEPTHOFFSET: 1587 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1588 if (r) { 1589 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1590 idx, reg); 1591 radeon_cs_dump_packet(p, pkt); 1592 return r; 1593 } 1594 track->zb.robj = reloc->robj; 1595 track->zb.offset = idx_value; 1596 track->zb_dirty = true; 1597 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1598 break; 1599 case RADEON_RB3D_COLOROFFSET: 1600 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1601 if (r) { 1602 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1603 idx, reg); 1604 radeon_cs_dump_packet(p, pkt); 1605 return r; 1606 } 1607 track->cb[0].robj = reloc->robj; 1608 track->cb[0].offset = idx_value; 1609 track->cb_dirty = true; 1610 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1611 break; 1612 case RADEON_PP_TXOFFSET_0: 1613 case RADEON_PP_TXOFFSET_1: 1614 case RADEON_PP_TXOFFSET_2: 1615 i = (reg - RADEON_PP_TXOFFSET_0) / 24; 1616 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1617 if (r) { 1618 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1619 idx, reg); 1620 radeon_cs_dump_packet(p, pkt); 1621 return r; 1622 } 1623 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1624 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) 1625 tile_flags |= RADEON_TXO_MACRO_TILE; 1626 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) 1627 tile_flags |= RADEON_TXO_MICRO_TILE_X2; 1628 1629 tmp = idx_value & ~(0x7 << 2); 1630 tmp |= tile_flags; 1631 ib[idx] = tmp + ((u32)reloc->lobj.gpu_offset); 1632 } else 1633 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1634 track->textures[i].robj = reloc->robj; 1635 track->tex_dirty = true; 1636 break; 1637 case RADEON_PP_CUBIC_OFFSET_T0_0: 1638 case RADEON_PP_CUBIC_OFFSET_T0_1: 1639 case RADEON_PP_CUBIC_OFFSET_T0_2: 1640 case RADEON_PP_CUBIC_OFFSET_T0_3: 1641 case RADEON_PP_CUBIC_OFFSET_T0_4: 1642 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4; 1643 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1644 if (r) { 1645 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1646 idx, reg); 1647 radeon_cs_dump_packet(p, pkt); 1648 return r; 1649 } 1650 track->textures[0].cube_info[i].offset = idx_value; 1651 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1652 track->textures[0].cube_info[i].robj = reloc->robj; 1653 track->tex_dirty = true; 1654 break; 1655 case RADEON_PP_CUBIC_OFFSET_T1_0: 1656 case RADEON_PP_CUBIC_OFFSET_T1_1: 1657 case RADEON_PP_CUBIC_OFFSET_T1_2: 1658 case RADEON_PP_CUBIC_OFFSET_T1_3: 1659 case RADEON_PP_CUBIC_OFFSET_T1_4: 1660 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4; 1661 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1662 if (r) { 1663 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1664 idx, reg); 1665 radeon_cs_dump_packet(p, pkt); 1666 return r; 1667 } 1668 track->textures[1].cube_info[i].offset = idx_value; 1669 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1670 track->textures[1].cube_info[i].robj = reloc->robj; 1671 track->tex_dirty = true; 1672 break; 1673 case RADEON_PP_CUBIC_OFFSET_T2_0: 1674 case RADEON_PP_CUBIC_OFFSET_T2_1: 1675 case RADEON_PP_CUBIC_OFFSET_T2_2: 1676 case RADEON_PP_CUBIC_OFFSET_T2_3: 1677 case RADEON_PP_CUBIC_OFFSET_T2_4: 1678 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4; 1679 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1680 if (r) { 1681 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1682 idx, reg); 1683 radeon_cs_dump_packet(p, pkt); 1684 return r; 1685 } 1686 track->textures[2].cube_info[i].offset = idx_value; 1687 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1688 track->textures[2].cube_info[i].robj = reloc->robj; 1689 track->tex_dirty = true; 1690 break; 1691 case RADEON_RE_WIDTH_HEIGHT: 1692 track->maxy = ((idx_value >> 16) & 0x7FF); 1693 track->cb_dirty = true; 1694 track->zb_dirty = true; 1695 break; 1696 case RADEON_RB3D_COLORPITCH: 1697 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1698 if (r) { 1699 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1700 idx, reg); 1701 radeon_cs_dump_packet(p, pkt); 1702 return r; 1703 } 1704 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1705 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) 1706 tile_flags |= RADEON_COLOR_TILE_ENABLE; 1707 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) 1708 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE; 1709 1710 tmp = idx_value & ~(0x7 << 16); 1711 tmp |= tile_flags; 1712 ib[idx] = tmp; 1713 } else 1714 ib[idx] = idx_value; 1715 1716 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK; 1717 track->cb_dirty = true; 1718 break; 1719 case RADEON_RB3D_DEPTHPITCH: 1720 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK; 1721 track->zb_dirty = true; 1722 break; 1723 case RADEON_RB3D_CNTL: 1724 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) { 1725 case 7: 1726 case 8: 1727 case 9: 1728 case 11: 1729 case 12: 1730 track->cb[0].cpp = 1; 1731 break; 1732 case 3: 1733 case 4: 1734 case 15: 1735 track->cb[0].cpp = 2; 1736 break; 1737 case 6: 1738 track->cb[0].cpp = 4; 1739 break; 1740 default: 1741 DRM_ERROR("Invalid color buffer format (%d) !\n", 1742 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f)); 1743 return -EINVAL; 1744 } 1745 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE); 1746 track->cb_dirty = true; 1747 track->zb_dirty = true; 1748 break; 1749 case RADEON_RB3D_ZSTENCILCNTL: 1750 switch (idx_value & 0xf) { 1751 case 0: 1752 track->zb.cpp = 2; 1753 break; 1754 case 2: 1755 case 3: 1756 case 4: 1757 case 5: 1758 case 9: 1759 case 11: 1760 track->zb.cpp = 4; 1761 break; 1762 default: 1763 break; 1764 } 1765 track->zb_dirty = true; 1766 break; 1767 case RADEON_RB3D_ZPASS_ADDR: 1768 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1769 if (r) { 1770 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1771 idx, reg); 1772 radeon_cs_dump_packet(p, pkt); 1773 return r; 1774 } 1775 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1776 break; 1777 case RADEON_PP_CNTL: 1778 { 1779 uint32_t temp = idx_value >> 4; 1780 for (i = 0; i < track->num_texture; i++) 1781 track->textures[i].enabled = !!(temp & (1 << i)); 1782 track->tex_dirty = true; 1783 } 1784 break; 1785 case RADEON_SE_VF_CNTL: 1786 track->vap_vf_cntl = idx_value; 1787 break; 1788 case RADEON_SE_VTX_FMT: 1789 track->vtx_size = r100_get_vtx_size(idx_value); 1790 break; 1791 case RADEON_PP_TEX_SIZE_0: 1792 case RADEON_PP_TEX_SIZE_1: 1793 case RADEON_PP_TEX_SIZE_2: 1794 i = (reg - RADEON_PP_TEX_SIZE_0) / 8; 1795 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1; 1796 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1; 1797 track->tex_dirty = true; 1798 break; 1799 case RADEON_PP_TEX_PITCH_0: 1800 case RADEON_PP_TEX_PITCH_1: 1801 case RADEON_PP_TEX_PITCH_2: 1802 i = (reg - RADEON_PP_TEX_PITCH_0) / 8; 1803 track->textures[i].pitch = idx_value + 32; 1804 track->tex_dirty = true; 1805 break; 1806 case RADEON_PP_TXFILTER_0: 1807 case RADEON_PP_TXFILTER_1: 1808 case RADEON_PP_TXFILTER_2: 1809 i = (reg - RADEON_PP_TXFILTER_0) / 24; 1810 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK) 1811 >> RADEON_MAX_MIP_LEVEL_SHIFT); 1812 tmp = (idx_value >> 23) & 0x7; 1813 if (tmp == 2 || tmp == 6) 1814 track->textures[i].roundup_w = false; 1815 tmp = (idx_value >> 27) & 0x7; 1816 if (tmp == 2 || tmp == 6) 1817 track->textures[i].roundup_h = false; 1818 track->tex_dirty = true; 1819 break; 1820 case RADEON_PP_TXFORMAT_0: 1821 case RADEON_PP_TXFORMAT_1: 1822 case RADEON_PP_TXFORMAT_2: 1823 i = (reg - RADEON_PP_TXFORMAT_0) / 24; 1824 if (idx_value & RADEON_TXFORMAT_NON_POWER2) { 1825 track->textures[i].use_pitch = 1; 1826 } else { 1827 track->textures[i].use_pitch = 0; 1828 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK); 1829 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK); 1830 } 1831 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE) 1832 track->textures[i].tex_coord_type = 2; 1833 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) { 1834 case RADEON_TXFORMAT_I8: 1835 case RADEON_TXFORMAT_RGB332: 1836 case RADEON_TXFORMAT_Y8: 1837 track->textures[i].cpp = 1; 1838 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1839 break; 1840 case RADEON_TXFORMAT_AI88: 1841 case RADEON_TXFORMAT_ARGB1555: 1842 case RADEON_TXFORMAT_RGB565: 1843 case RADEON_TXFORMAT_ARGB4444: 1844 case RADEON_TXFORMAT_VYUY422: 1845 case RADEON_TXFORMAT_YVYU422: 1846 case RADEON_TXFORMAT_SHADOW16: 1847 case RADEON_TXFORMAT_LDUDV655: 1848 case RADEON_TXFORMAT_DUDV88: 1849 track->textures[i].cpp = 2; 1850 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1851 break; 1852 case RADEON_TXFORMAT_ARGB8888: 1853 case RADEON_TXFORMAT_RGBA8888: 1854 case RADEON_TXFORMAT_SHADOW32: 1855 case RADEON_TXFORMAT_LDUDUV8888: 1856 track->textures[i].cpp = 4; 1857 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1858 break; 1859 case RADEON_TXFORMAT_DXT1: 1860 track->textures[i].cpp = 1; 1861 track->textures[i].compress_format = R100_TRACK_COMP_DXT1; 1862 break; 1863 case RADEON_TXFORMAT_DXT23: 1864 case RADEON_TXFORMAT_DXT45: 1865 track->textures[i].cpp = 1; 1866 track->textures[i].compress_format = R100_TRACK_COMP_DXT35; 1867 break; 1868 } 1869 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf); 1870 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf); 1871 track->tex_dirty = true; 1872 break; 1873 case RADEON_PP_CUBIC_FACES_0: 1874 case RADEON_PP_CUBIC_FACES_1: 1875 case RADEON_PP_CUBIC_FACES_2: 1876 tmp = idx_value; 1877 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4; 1878 for (face = 0; face < 4; face++) { 1879 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf); 1880 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf); 1881 } 1882 track->tex_dirty = true; 1883 break; 1884 default: 1885 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n", 1886 reg, idx); 1887 return -EINVAL; 1888 } 1889 return 0; 1890 } 1891 1892 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p, 1893 struct radeon_cs_packet *pkt, 1894 struct radeon_bo *robj) 1895 { 1896 unsigned idx; 1897 u32 value; 1898 idx = pkt->idx + 1; 1899 value = radeon_get_ib_value(p, idx + 2); 1900 if ((value + 1) > radeon_bo_size(robj)) { 1901 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER " 1902 "(need %u have %lu) !\n", 1903 value + 1, 1904 radeon_bo_size(robj)); 1905 return -EINVAL; 1906 } 1907 return 0; 1908 } 1909 1910 static int r100_packet3_check(struct radeon_cs_parser *p, 1911 struct radeon_cs_packet *pkt) 1912 { 1913 struct radeon_cs_reloc *reloc; 1914 struct r100_cs_track *track; 1915 unsigned idx; 1916 volatile uint32_t *ib; 1917 int r; 1918 1919 ib = p->ib.ptr; 1920 idx = pkt->idx + 1; 1921 track = (struct r100_cs_track *)p->track; 1922 switch (pkt->opcode) { 1923 case PACKET3_3D_LOAD_VBPNTR: 1924 r = r100_packet3_load_vbpntr(p, pkt, idx); 1925 if (r) 1926 return r; 1927 break; 1928 case PACKET3_INDX_BUFFER: 1929 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1930 if (r) { 1931 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1932 radeon_cs_dump_packet(p, pkt); 1933 return r; 1934 } 1935 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset); 1936 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj); 1937 if (r) { 1938 return r; 1939 } 1940 break; 1941 case 0x23: 1942 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */ 1943 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1944 if (r) { 1945 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1946 radeon_cs_dump_packet(p, pkt); 1947 return r; 1948 } 1949 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset); 1950 track->num_arrays = 1; 1951 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2)); 1952 1953 track->arrays[0].robj = reloc->robj; 1954 track->arrays[0].esize = track->vtx_size; 1955 1956 track->max_indx = radeon_get_ib_value(p, idx+1); 1957 1958 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3); 1959 track->immd_dwords = pkt->count - 1; 1960 r = r100_cs_track_check(p->rdev, track); 1961 if (r) 1962 return r; 1963 break; 1964 case PACKET3_3D_DRAW_IMMD: 1965 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) { 1966 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1967 return -EINVAL; 1968 } 1969 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0)); 1970 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1971 track->immd_dwords = pkt->count - 1; 1972 r = r100_cs_track_check(p->rdev, track); 1973 if (r) 1974 return r; 1975 break; 1976 /* triggers drawing using in-packet vertex data */ 1977 case PACKET3_3D_DRAW_IMMD_2: 1978 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) { 1979 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1980 return -EINVAL; 1981 } 1982 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1983 track->immd_dwords = pkt->count; 1984 r = r100_cs_track_check(p->rdev, track); 1985 if (r) 1986 return r; 1987 break; 1988 /* triggers drawing using in-packet vertex data */ 1989 case PACKET3_3D_DRAW_VBUF_2: 1990 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1991 r = r100_cs_track_check(p->rdev, track); 1992 if (r) 1993 return r; 1994 break; 1995 /* triggers drawing of vertex buffers setup elsewhere */ 1996 case PACKET3_3D_DRAW_INDX_2: 1997 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1998 r = r100_cs_track_check(p->rdev, track); 1999 if (r) 2000 return r; 2001 break; 2002 /* triggers drawing using indices to vertex buffer */ 2003 case PACKET3_3D_DRAW_VBUF: 2004 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 2005 r = r100_cs_track_check(p->rdev, track); 2006 if (r) 2007 return r; 2008 break; 2009 /* triggers drawing of vertex buffers setup elsewhere */ 2010 case PACKET3_3D_DRAW_INDX: 2011 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 2012 r = r100_cs_track_check(p->rdev, track); 2013 if (r) 2014 return r; 2015 break; 2016 /* triggers drawing using indices to vertex buffer */ 2017 case PACKET3_3D_CLEAR_HIZ: 2018 case PACKET3_3D_CLEAR_ZMASK: 2019 if (p->rdev->hyperz_filp != p->filp) 2020 return -EINVAL; 2021 break; 2022 case PACKET3_NOP: 2023 break; 2024 default: 2025 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); 2026 return -EINVAL; 2027 } 2028 return 0; 2029 } 2030 2031 int r100_cs_parse(struct radeon_cs_parser *p) 2032 { 2033 struct radeon_cs_packet pkt; 2034 struct r100_cs_track *track; 2035 int r; 2036 2037 track = kzalloc(sizeof(*track), GFP_KERNEL); 2038 if (!track) 2039 return -ENOMEM; 2040 r100_cs_track_clear(p->rdev, track); 2041 p->track = track; 2042 do { 2043 r = radeon_cs_packet_parse(p, &pkt, p->idx); 2044 if (r) { 2045 return r; 2046 } 2047 p->idx += pkt.count + 2; 2048 switch (pkt.type) { 2049 case RADEON_PACKET_TYPE0: 2050 if (p->rdev->family >= CHIP_R200) 2051 r = r100_cs_parse_packet0(p, &pkt, 2052 p->rdev->config.r100.reg_safe_bm, 2053 p->rdev->config.r100.reg_safe_bm_size, 2054 &r200_packet0_check); 2055 else 2056 r = r100_cs_parse_packet0(p, &pkt, 2057 p->rdev->config.r100.reg_safe_bm, 2058 p->rdev->config.r100.reg_safe_bm_size, 2059 &r100_packet0_check); 2060 break; 2061 case RADEON_PACKET_TYPE2: 2062 break; 2063 case RADEON_PACKET_TYPE3: 2064 r = r100_packet3_check(p, &pkt); 2065 break; 2066 default: 2067 DRM_ERROR("Unknown packet type %d !\n", 2068 pkt.type); 2069 return -EINVAL; 2070 } 2071 if (r) 2072 return r; 2073 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); 2074 return 0; 2075 } 2076 2077 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t) 2078 { 2079 DRM_ERROR("pitch %d\n", t->pitch); 2080 DRM_ERROR("use_pitch %d\n", t->use_pitch); 2081 DRM_ERROR("width %d\n", t->width); 2082 DRM_ERROR("width_11 %d\n", t->width_11); 2083 DRM_ERROR("height %d\n", t->height); 2084 DRM_ERROR("height_11 %d\n", t->height_11); 2085 DRM_ERROR("num levels %d\n", t->num_levels); 2086 DRM_ERROR("depth %d\n", t->txdepth); 2087 DRM_ERROR("bpp %d\n", t->cpp); 2088 DRM_ERROR("coordinate type %d\n", t->tex_coord_type); 2089 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w); 2090 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h); 2091 DRM_ERROR("compress format %d\n", t->compress_format); 2092 } 2093 2094 static int r100_track_compress_size(int compress_format, int w, int h) 2095 { 2096 int block_width, block_height, block_bytes; 2097 int wblocks, hblocks; 2098 int min_wblocks; 2099 int sz; 2100 2101 block_width = 4; 2102 block_height = 4; 2103 2104 switch (compress_format) { 2105 case R100_TRACK_COMP_DXT1: 2106 block_bytes = 8; 2107 min_wblocks = 4; 2108 break; 2109 default: 2110 case R100_TRACK_COMP_DXT35: 2111 block_bytes = 16; 2112 min_wblocks = 2; 2113 break; 2114 } 2115 2116 hblocks = (h + block_height - 1) / block_height; 2117 wblocks = (w + block_width - 1) / block_width; 2118 if (wblocks < min_wblocks) 2119 wblocks = min_wblocks; 2120 sz = wblocks * hblocks * block_bytes; 2121 return sz; 2122 } 2123 2124 static int r100_cs_track_cube(struct radeon_device *rdev, 2125 struct r100_cs_track *track, unsigned idx) 2126 { 2127 unsigned face, w, h; 2128 struct radeon_bo *cube_robj; 2129 unsigned long size; 2130 unsigned compress_format = track->textures[idx].compress_format; 2131 2132 for (face = 0; face < 5; face++) { 2133 cube_robj = track->textures[idx].cube_info[face].robj; 2134 w = track->textures[idx].cube_info[face].width; 2135 h = track->textures[idx].cube_info[face].height; 2136 2137 if (compress_format) { 2138 size = r100_track_compress_size(compress_format, w, h); 2139 } else 2140 size = w * h; 2141 size *= track->textures[idx].cpp; 2142 2143 size += track->textures[idx].cube_info[face].offset; 2144 2145 if (size > radeon_bo_size(cube_robj)) { 2146 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n", 2147 size, radeon_bo_size(cube_robj)); 2148 r100_cs_track_texture_print(&track->textures[idx]); 2149 return -1; 2150 } 2151 } 2152 return 0; 2153 } 2154 2155 static int r100_cs_track_texture_check(struct radeon_device *rdev, 2156 struct r100_cs_track *track) 2157 { 2158 struct radeon_bo *robj; 2159 unsigned long size; 2160 unsigned u, i, w, h, d; 2161 int ret; 2162 2163 for (u = 0; u < track->num_texture; u++) { 2164 if (!track->textures[u].enabled) 2165 continue; 2166 if (track->textures[u].lookup_disable) 2167 continue; 2168 robj = track->textures[u].robj; 2169 if (robj == NULL) { 2170 DRM_ERROR("No texture bound to unit %u\n", u); 2171 return -EINVAL; 2172 } 2173 size = 0; 2174 for (i = 0; i <= track->textures[u].num_levels; i++) { 2175 if (track->textures[u].use_pitch) { 2176 if (rdev->family < CHIP_R300) 2177 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i); 2178 else 2179 w = track->textures[u].pitch / (1 << i); 2180 } else { 2181 w = track->textures[u].width; 2182 if (rdev->family >= CHIP_RV515) 2183 w |= track->textures[u].width_11; 2184 w = w / (1 << i); 2185 if (track->textures[u].roundup_w) 2186 w = roundup_pow_of_two(w); 2187 } 2188 h = track->textures[u].height; 2189 if (rdev->family >= CHIP_RV515) 2190 h |= track->textures[u].height_11; 2191 h = h / (1 << i); 2192 if (track->textures[u].roundup_h) 2193 h = roundup_pow_of_two(h); 2194 if (track->textures[u].tex_coord_type == 1) { 2195 d = (1 << track->textures[u].txdepth) / (1 << i); 2196 if (!d) 2197 d = 1; 2198 } else { 2199 d = 1; 2200 } 2201 if (track->textures[u].compress_format) { 2202 2203 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d; 2204 /* compressed textures are block based */ 2205 } else 2206 size += w * h * d; 2207 } 2208 size *= track->textures[u].cpp; 2209 2210 switch (track->textures[u].tex_coord_type) { 2211 case 0: 2212 case 1: 2213 break; 2214 case 2: 2215 if (track->separate_cube) { 2216 ret = r100_cs_track_cube(rdev, track, u); 2217 if (ret) 2218 return ret; 2219 } else 2220 size *= 6; 2221 break; 2222 default: 2223 DRM_ERROR("Invalid texture coordinate type %u for unit " 2224 "%u\n", track->textures[u].tex_coord_type, u); 2225 return -EINVAL; 2226 } 2227 if (size > radeon_bo_size(robj)) { 2228 DRM_ERROR("Texture of unit %u needs %lu bytes but is " 2229 "%lu\n", u, size, radeon_bo_size(robj)); 2230 r100_cs_track_texture_print(&track->textures[u]); 2231 return -EINVAL; 2232 } 2233 } 2234 return 0; 2235 } 2236 2237 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track) 2238 { 2239 unsigned i; 2240 unsigned long size; 2241 unsigned prim_walk; 2242 unsigned nverts; 2243 unsigned num_cb = track->cb_dirty ? track->num_cb : 0; 2244 2245 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask && 2246 !track->blend_read_enable) 2247 num_cb = 0; 2248 2249 for (i = 0; i < num_cb; i++) { 2250 if (track->cb[i].robj == NULL) { 2251 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i); 2252 return -EINVAL; 2253 } 2254 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy; 2255 size += track->cb[i].offset; 2256 if (size > radeon_bo_size(track->cb[i].robj)) { 2257 DRM_ERROR("[drm] Buffer too small for color buffer %d " 2258 "(need %lu have %lu) !\n", i, size, 2259 radeon_bo_size(track->cb[i].robj)); 2260 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n", 2261 i, track->cb[i].pitch, track->cb[i].cpp, 2262 track->cb[i].offset, track->maxy); 2263 return -EINVAL; 2264 } 2265 } 2266 track->cb_dirty = false; 2267 2268 if (track->zb_dirty && track->z_enabled) { 2269 if (track->zb.robj == NULL) { 2270 DRM_ERROR("[drm] No buffer for z buffer !\n"); 2271 return -EINVAL; 2272 } 2273 size = track->zb.pitch * track->zb.cpp * track->maxy; 2274 size += track->zb.offset; 2275 if (size > radeon_bo_size(track->zb.robj)) { 2276 DRM_ERROR("[drm] Buffer too small for z buffer " 2277 "(need %lu have %lu) !\n", size, 2278 radeon_bo_size(track->zb.robj)); 2279 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n", 2280 track->zb.pitch, track->zb.cpp, 2281 track->zb.offset, track->maxy); 2282 return -EINVAL; 2283 } 2284 } 2285 track->zb_dirty = false; 2286 2287 if (track->aa_dirty && track->aaresolve) { 2288 if (track->aa.robj == NULL) { 2289 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i); 2290 return -EINVAL; 2291 } 2292 /* I believe the format comes from colorbuffer0. */ 2293 size = track->aa.pitch * track->cb[0].cpp * track->maxy; 2294 size += track->aa.offset; 2295 if (size > radeon_bo_size(track->aa.robj)) { 2296 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d " 2297 "(need %lu have %lu) !\n", i, size, 2298 radeon_bo_size(track->aa.robj)); 2299 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n", 2300 i, track->aa.pitch, track->cb[0].cpp, 2301 track->aa.offset, track->maxy); 2302 return -EINVAL; 2303 } 2304 } 2305 track->aa_dirty = false; 2306 2307 prim_walk = (track->vap_vf_cntl >> 4) & 0x3; 2308 if (track->vap_vf_cntl & (1 << 14)) { 2309 nverts = track->vap_alt_nverts; 2310 } else { 2311 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF; 2312 } 2313 switch (prim_walk) { 2314 case 1: 2315 for (i = 0; i < track->num_arrays; i++) { 2316 size = track->arrays[i].esize * track->max_indx * 4; 2317 if (track->arrays[i].robj == NULL) { 2318 DRM_ERROR("(PW %u) Vertex array %u no buffer " 2319 "bound\n", prim_walk, i); 2320 return -EINVAL; 2321 } 2322 if (size > radeon_bo_size(track->arrays[i].robj)) { 2323 dev_err(rdev->dev, "(PW %u) Vertex array %u " 2324 "need %lu dwords have %lu dwords\n", 2325 prim_walk, i, size >> 2, 2326 radeon_bo_size(track->arrays[i].robj) 2327 >> 2); 2328 DRM_ERROR("Max indices %u\n", track->max_indx); 2329 return -EINVAL; 2330 } 2331 } 2332 break; 2333 case 2: 2334 for (i = 0; i < track->num_arrays; i++) { 2335 size = track->arrays[i].esize * (nverts - 1) * 4; 2336 if (track->arrays[i].robj == NULL) { 2337 DRM_ERROR("(PW %u) Vertex array %u no buffer " 2338 "bound\n", prim_walk, i); 2339 return -EINVAL; 2340 } 2341 if (size > radeon_bo_size(track->arrays[i].robj)) { 2342 dev_err(rdev->dev, "(PW %u) Vertex array %u " 2343 "need %lu dwords have %lu dwords\n", 2344 prim_walk, i, size >> 2, 2345 radeon_bo_size(track->arrays[i].robj) 2346 >> 2); 2347 return -EINVAL; 2348 } 2349 } 2350 break; 2351 case 3: 2352 size = track->vtx_size * nverts; 2353 if (size != track->immd_dwords) { 2354 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n", 2355 track->immd_dwords, size); 2356 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n", 2357 nverts, track->vtx_size); 2358 return -EINVAL; 2359 } 2360 break; 2361 default: 2362 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n", 2363 prim_walk); 2364 return -EINVAL; 2365 } 2366 2367 if (track->tex_dirty) { 2368 track->tex_dirty = false; 2369 return r100_cs_track_texture_check(rdev, track); 2370 } 2371 return 0; 2372 } 2373 2374 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track) 2375 { 2376 unsigned i, face; 2377 2378 track->cb_dirty = true; 2379 track->zb_dirty = true; 2380 track->tex_dirty = true; 2381 track->aa_dirty = true; 2382 2383 if (rdev->family < CHIP_R300) { 2384 track->num_cb = 1; 2385 if (rdev->family <= CHIP_RS200) 2386 track->num_texture = 3; 2387 else 2388 track->num_texture = 6; 2389 track->maxy = 2048; 2390 track->separate_cube = 1; 2391 } else { 2392 track->num_cb = 4; 2393 track->num_texture = 16; 2394 track->maxy = 4096; 2395 track->separate_cube = 0; 2396 track->aaresolve = false; 2397 track->aa.robj = NULL; 2398 } 2399 2400 for (i = 0; i < track->num_cb; i++) { 2401 track->cb[i].robj = NULL; 2402 track->cb[i].pitch = 8192; 2403 track->cb[i].cpp = 16; 2404 track->cb[i].offset = 0; 2405 } 2406 track->z_enabled = true; 2407 track->zb.robj = NULL; 2408 track->zb.pitch = 8192; 2409 track->zb.cpp = 4; 2410 track->zb.offset = 0; 2411 track->vtx_size = 0x7F; 2412 track->immd_dwords = 0xFFFFFFFFUL; 2413 track->num_arrays = 11; 2414 track->max_indx = 0x00FFFFFFUL; 2415 for (i = 0; i < track->num_arrays; i++) { 2416 track->arrays[i].robj = NULL; 2417 track->arrays[i].esize = 0x7F; 2418 } 2419 for (i = 0; i < track->num_texture; i++) { 2420 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 2421 track->textures[i].pitch = 16536; 2422 track->textures[i].width = 16536; 2423 track->textures[i].height = 16536; 2424 track->textures[i].width_11 = 1 << 11; 2425 track->textures[i].height_11 = 1 << 11; 2426 track->textures[i].num_levels = 12; 2427 if (rdev->family <= CHIP_RS200) { 2428 track->textures[i].tex_coord_type = 0; 2429 track->textures[i].txdepth = 0; 2430 } else { 2431 track->textures[i].txdepth = 16; 2432 track->textures[i].tex_coord_type = 1; 2433 } 2434 track->textures[i].cpp = 64; 2435 track->textures[i].robj = NULL; 2436 /* CS IB emission code makes sure texture unit are disabled */ 2437 track->textures[i].enabled = false; 2438 track->textures[i].lookup_disable = false; 2439 track->textures[i].roundup_w = true; 2440 track->textures[i].roundup_h = true; 2441 if (track->separate_cube) 2442 for (face = 0; face < 5; face++) { 2443 track->textures[i].cube_info[face].robj = NULL; 2444 track->textures[i].cube_info[face].width = 16536; 2445 track->textures[i].cube_info[face].height = 16536; 2446 track->textures[i].cube_info[face].offset = 0; 2447 } 2448 } 2449 } 2450 2451 /* 2452 * Global GPU functions 2453 */ 2454 static void r100_errata(struct radeon_device *rdev) 2455 { 2456 rdev->pll_errata = 0; 2457 2458 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) { 2459 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS; 2460 } 2461 2462 if (rdev->family == CHIP_RV100 || 2463 rdev->family == CHIP_RS100 || 2464 rdev->family == CHIP_RS200) { 2465 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY; 2466 } 2467 } 2468 2469 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n) 2470 { 2471 unsigned i; 2472 uint32_t tmp; 2473 2474 for (i = 0; i < rdev->usec_timeout; i++) { 2475 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK; 2476 if (tmp >= n) { 2477 return 0; 2478 } 2479 DRM_UDELAY(1); 2480 } 2481 return -1; 2482 } 2483 2484 int r100_gui_wait_for_idle(struct radeon_device *rdev) 2485 { 2486 unsigned i; 2487 uint32_t tmp; 2488 2489 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) { 2490 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !" 2491 " Bad things might happen.\n"); 2492 } 2493 for (i = 0; i < rdev->usec_timeout; i++) { 2494 tmp = RREG32(RADEON_RBBM_STATUS); 2495 if (!(tmp & RADEON_RBBM_ACTIVE)) { 2496 return 0; 2497 } 2498 DRM_UDELAY(1); 2499 } 2500 return -1; 2501 } 2502 2503 int r100_mc_wait_for_idle(struct radeon_device *rdev) 2504 { 2505 unsigned i; 2506 uint32_t tmp; 2507 2508 for (i = 0; i < rdev->usec_timeout; i++) { 2509 /* read MC_STATUS */ 2510 tmp = RREG32(RADEON_MC_STATUS); 2511 if (tmp & RADEON_MC_IDLE) { 2512 return 0; 2513 } 2514 DRM_UDELAY(1); 2515 } 2516 return -1; 2517 } 2518 2519 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 2520 { 2521 u32 rbbm_status; 2522 2523 rbbm_status = RREG32(R_000E40_RBBM_STATUS); 2524 if (!G_000E40_GUI_ACTIVE(rbbm_status)) { 2525 radeon_ring_lockup_update(rdev, ring); 2526 return false; 2527 } 2528 /* force CP activities */ 2529 radeon_ring_force_activity(rdev, ring); 2530 return radeon_ring_test_lockup(rdev, ring); 2531 } 2532 2533 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */ 2534 void r100_enable_bm(struct radeon_device *rdev) 2535 { 2536 uint32_t tmp; 2537 /* Enable bus mastering */ 2538 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; 2539 WREG32(RADEON_BUS_CNTL, tmp); 2540 } 2541 2542 void r100_bm_disable(struct radeon_device *rdev) 2543 { 2544 u32 tmp; 2545 2546 /* disable bus mastering */ 2547 tmp = RREG32(R_000030_BUS_CNTL); 2548 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044); 2549 mdelay(1); 2550 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042); 2551 mdelay(1); 2552 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040); 2553 tmp = RREG32(RADEON_BUS_CNTL); 2554 mdelay(1); 2555 pci_clear_master(rdev->pdev); 2556 mdelay(1); 2557 } 2558 2559 int r100_asic_reset(struct radeon_device *rdev) 2560 { 2561 struct r100_mc_save save; 2562 u32 status, tmp; 2563 int ret = 0; 2564 2565 status = RREG32(R_000E40_RBBM_STATUS); 2566 if (!G_000E40_GUI_ACTIVE(status)) { 2567 return 0; 2568 } 2569 r100_mc_stop(rdev, &save); 2570 status = RREG32(R_000E40_RBBM_STATUS); 2571 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2572 /* stop CP */ 2573 WREG32(RADEON_CP_CSQ_CNTL, 0); 2574 tmp = RREG32(RADEON_CP_RB_CNTL); 2575 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 2576 WREG32(RADEON_CP_RB_RPTR_WR, 0); 2577 WREG32(RADEON_CP_RB_WPTR, 0); 2578 WREG32(RADEON_CP_RB_CNTL, tmp); 2579 /* save PCI state */ 2580 pci_save_state(rdev->pdev); 2581 /* disable bus mastering */ 2582 r100_bm_disable(rdev); 2583 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) | 2584 S_0000F0_SOFT_RESET_RE(1) | 2585 S_0000F0_SOFT_RESET_PP(1) | 2586 S_0000F0_SOFT_RESET_RB(1)); 2587 RREG32(R_0000F0_RBBM_SOFT_RESET); 2588 mdelay(500); 2589 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 2590 mdelay(1); 2591 status = RREG32(R_000E40_RBBM_STATUS); 2592 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2593 /* reset CP */ 2594 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 2595 RREG32(R_0000F0_RBBM_SOFT_RESET); 2596 mdelay(500); 2597 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 2598 mdelay(1); 2599 status = RREG32(R_000E40_RBBM_STATUS); 2600 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2601 /* restore PCI & busmastering */ 2602 pci_restore_state(rdev->pdev); 2603 r100_enable_bm(rdev); 2604 /* Check if GPU is idle */ 2605 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) || 2606 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) { 2607 dev_err(rdev->dev, "failed to reset GPU\n"); 2608 ret = -1; 2609 } else 2610 dev_info(rdev->dev, "GPU reset succeed\n"); 2611 r100_mc_resume(rdev, &save); 2612 return ret; 2613 } 2614 2615 void r100_set_common_regs(struct radeon_device *rdev) 2616 { 2617 struct drm_device *dev = rdev->ddev; 2618 bool force_dac2 = false; 2619 u32 tmp; 2620 2621 /* set these so they don't interfere with anything */ 2622 WREG32(RADEON_OV0_SCALE_CNTL, 0); 2623 WREG32(RADEON_SUBPIC_CNTL, 0); 2624 WREG32(RADEON_VIPH_CONTROL, 0); 2625 WREG32(RADEON_I2C_CNTL_1, 0); 2626 WREG32(RADEON_DVI_I2C_CNTL_1, 0); 2627 WREG32(RADEON_CAP0_TRIG_CNTL, 0); 2628 WREG32(RADEON_CAP1_TRIG_CNTL, 0); 2629 2630 /* always set up dac2 on rn50 and some rv100 as lots 2631 * of servers seem to wire it up to a VGA port but 2632 * don't report it in the bios connector 2633 * table. 2634 */ 2635 switch (dev->pdev->device) { 2636 /* RN50 */ 2637 case 0x515e: 2638 case 0x5969: 2639 force_dac2 = true; 2640 break; 2641 /* RV100*/ 2642 case 0x5159: 2643 case 0x515a: 2644 /* DELL triple head servers */ 2645 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) && 2646 ((dev->pdev->subsystem_device == 0x016c) || 2647 (dev->pdev->subsystem_device == 0x016d) || 2648 (dev->pdev->subsystem_device == 0x016e) || 2649 (dev->pdev->subsystem_device == 0x016f) || 2650 (dev->pdev->subsystem_device == 0x0170) || 2651 (dev->pdev->subsystem_device == 0x017d) || 2652 (dev->pdev->subsystem_device == 0x017e) || 2653 (dev->pdev->subsystem_device == 0x0183) || 2654 (dev->pdev->subsystem_device == 0x018a) || 2655 (dev->pdev->subsystem_device == 0x019a))) 2656 force_dac2 = true; 2657 break; 2658 } 2659 2660 if (force_dac2) { 2661 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); 2662 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 2663 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2); 2664 2665 /* For CRT on DAC2, don't turn it on if BIOS didn't 2666 enable it, even it's detected. 2667 */ 2668 2669 /* force it to crtc0 */ 2670 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL; 2671 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL; 2672 disp_hw_debug |= RADEON_CRT2_DISP1_SEL; 2673 2674 /* set up the TV DAC */ 2675 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL | 2676 RADEON_TV_DAC_STD_MASK | 2677 RADEON_TV_DAC_RDACPD | 2678 RADEON_TV_DAC_GDACPD | 2679 RADEON_TV_DAC_BDACPD | 2680 RADEON_TV_DAC_BGADJ_MASK | 2681 RADEON_TV_DAC_DACADJ_MASK); 2682 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK | 2683 RADEON_TV_DAC_NHOLD | 2684 RADEON_TV_DAC_STD_PS2 | 2685 (0x58 << 16)); 2686 2687 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 2688 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); 2689 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 2690 } 2691 2692 /* switch PM block to ACPI mode */ 2693 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL); 2694 tmp &= ~RADEON_PM_MODE_SEL; 2695 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp); 2696 2697 } 2698 2699 /* 2700 * VRAM info 2701 */ 2702 static void r100_vram_get_type(struct radeon_device *rdev) 2703 { 2704 uint32_t tmp; 2705 2706 rdev->mc.vram_is_ddr = false; 2707 if (rdev->flags & RADEON_IS_IGP) 2708 rdev->mc.vram_is_ddr = true; 2709 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR) 2710 rdev->mc.vram_is_ddr = true; 2711 if ((rdev->family == CHIP_RV100) || 2712 (rdev->family == CHIP_RS100) || 2713 (rdev->family == CHIP_RS200)) { 2714 tmp = RREG32(RADEON_MEM_CNTL); 2715 if (tmp & RV100_HALF_MODE) { 2716 rdev->mc.vram_width = 32; 2717 } else { 2718 rdev->mc.vram_width = 64; 2719 } 2720 if (rdev->flags & RADEON_SINGLE_CRTC) { 2721 rdev->mc.vram_width /= 4; 2722 rdev->mc.vram_is_ddr = true; 2723 } 2724 } else if (rdev->family <= CHIP_RV280) { 2725 tmp = RREG32(RADEON_MEM_CNTL); 2726 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) { 2727 rdev->mc.vram_width = 128; 2728 } else { 2729 rdev->mc.vram_width = 64; 2730 } 2731 } else { 2732 /* newer IGPs */ 2733 rdev->mc.vram_width = 128; 2734 } 2735 } 2736 2737 static u32 r100_get_accessible_vram(struct radeon_device *rdev) 2738 { 2739 u32 aper_size; 2740 u8 byte; 2741 2742 aper_size = RREG32(RADEON_CONFIG_APER_SIZE); 2743 2744 /* Set HDP_APER_CNTL only on cards that are known not to be broken, 2745 * that is has the 2nd generation multifunction PCI interface 2746 */ 2747 if (rdev->family == CHIP_RV280 || 2748 rdev->family >= CHIP_RV350) { 2749 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL, 2750 ~RADEON_HDP_APER_CNTL); 2751 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n"); 2752 return aper_size * 2; 2753 } 2754 2755 /* Older cards have all sorts of funny issues to deal with. First 2756 * check if it's a multifunction card by reading the PCI config 2757 * header type... Limit those to one aperture size 2758 */ 2759 pci_read_config_byte(rdev->pdev, 0xe, &byte); 2760 if (byte & 0x80) { 2761 DRM_INFO("Generation 1 PCI interface in multifunction mode\n"); 2762 DRM_INFO("Limiting VRAM to one aperture\n"); 2763 return aper_size; 2764 } 2765 2766 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS 2767 * have set it up. We don't write this as it's broken on some ASICs but 2768 * we expect the BIOS to have done the right thing (might be too optimistic...) 2769 */ 2770 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL) 2771 return aper_size * 2; 2772 return aper_size; 2773 } 2774 2775 void r100_vram_init_sizes(struct radeon_device *rdev) 2776 { 2777 u64 config_aper_size; 2778 2779 /* work out accessible VRAM */ 2780 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 2781 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 2782 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev); 2783 /* FIXME we don't use the second aperture yet when we could use it */ 2784 if (rdev->mc.visible_vram_size > rdev->mc.aper_size) 2785 rdev->mc.visible_vram_size = rdev->mc.aper_size; 2786 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE); 2787 if (rdev->flags & RADEON_IS_IGP) { 2788 uint32_t tom; 2789 /* read NB_TOM to get the amount of ram stolen for the GPU */ 2790 tom = RREG32(RADEON_NB_TOM); 2791 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16); 2792 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 2793 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 2794 } else { 2795 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); 2796 /* Some production boards of m6 will report 0 2797 * if it's 8 MB 2798 */ 2799 if (rdev->mc.real_vram_size == 0) { 2800 rdev->mc.real_vram_size = 8192 * 1024; 2801 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 2802 } 2803 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 2804 * Novell bug 204882 + along with lots of ubuntu ones 2805 */ 2806 if (rdev->mc.aper_size > config_aper_size) 2807 config_aper_size = rdev->mc.aper_size; 2808 2809 if (config_aper_size > rdev->mc.real_vram_size) 2810 rdev->mc.mc_vram_size = config_aper_size; 2811 else 2812 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 2813 } 2814 } 2815 2816 void r100_vga_set_state(struct radeon_device *rdev, bool state) 2817 { 2818 uint32_t temp; 2819 2820 temp = RREG32(RADEON_CONFIG_CNTL); 2821 if (state == false) { 2822 temp &= ~RADEON_CFG_VGA_RAM_EN; 2823 temp |= RADEON_CFG_VGA_IO_DIS; 2824 } else { 2825 temp &= ~RADEON_CFG_VGA_IO_DIS; 2826 } 2827 WREG32(RADEON_CONFIG_CNTL, temp); 2828 } 2829 2830 static void r100_mc_init(struct radeon_device *rdev) 2831 { 2832 u64 base; 2833 2834 r100_vram_get_type(rdev); 2835 r100_vram_init_sizes(rdev); 2836 base = rdev->mc.aper_base; 2837 if (rdev->flags & RADEON_IS_IGP) 2838 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; 2839 radeon_vram_location(rdev, &rdev->mc, base); 2840 rdev->mc.gtt_base_align = 0; 2841 if (!(rdev->flags & RADEON_IS_AGP)) 2842 radeon_gtt_location(rdev, &rdev->mc); 2843 radeon_update_bandwidth_info(rdev); 2844 } 2845 2846 2847 /* 2848 * Indirect registers accessor 2849 */ 2850 void r100_pll_errata_after_index(struct radeon_device *rdev) 2851 { 2852 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) { 2853 (void)RREG32(RADEON_CLOCK_CNTL_DATA); 2854 (void)RREG32(RADEON_CRTC_GEN_CNTL); 2855 } 2856 } 2857 2858 static void r100_pll_errata_after_data(struct radeon_device *rdev) 2859 { 2860 /* This workarounds is necessary on RV100, RS100 and RS200 chips 2861 * or the chip could hang on a subsequent access 2862 */ 2863 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) { 2864 mdelay(5); 2865 } 2866 2867 /* This function is required to workaround a hardware bug in some (all?) 2868 * revisions of the R300. This workaround should be called after every 2869 * CLOCK_CNTL_INDEX register access. If not, register reads afterward 2870 * may not be correct. 2871 */ 2872 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) { 2873 uint32_t save, tmp; 2874 2875 save = RREG32(RADEON_CLOCK_CNTL_INDEX); 2876 tmp = save & ~(0x3f | RADEON_PLL_WR_EN); 2877 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp); 2878 tmp = RREG32(RADEON_CLOCK_CNTL_DATA); 2879 WREG32(RADEON_CLOCK_CNTL_INDEX, save); 2880 } 2881 } 2882 2883 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg) 2884 { 2885 unsigned long flags; 2886 uint32_t data; 2887 2888 spin_lock_irqsave(&rdev->pll_idx_lock, flags); 2889 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f); 2890 r100_pll_errata_after_index(rdev); 2891 data = RREG32(RADEON_CLOCK_CNTL_DATA); 2892 r100_pll_errata_after_data(rdev); 2893 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); 2894 return data; 2895 } 2896 2897 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 2898 { 2899 unsigned long flags; 2900 2901 spin_lock_irqsave(&rdev->pll_idx_lock, flags); 2902 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN)); 2903 r100_pll_errata_after_index(rdev); 2904 WREG32(RADEON_CLOCK_CNTL_DATA, v); 2905 r100_pll_errata_after_data(rdev); 2906 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); 2907 } 2908 2909 static void r100_set_safe_registers(struct radeon_device *rdev) 2910 { 2911 if (ASIC_IS_RN50(rdev)) { 2912 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm; 2913 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm); 2914 } else if (rdev->family < CHIP_R200) { 2915 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm; 2916 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm); 2917 } else { 2918 r200_set_safe_registers(rdev); 2919 } 2920 } 2921 2922 /* 2923 * Debugfs info 2924 */ 2925 #if defined(CONFIG_DEBUG_FS) 2926 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data) 2927 { 2928 struct drm_info_node *node = (struct drm_info_node *) m->private; 2929 struct drm_device *dev = node->minor->dev; 2930 struct radeon_device *rdev = dev->dev_private; 2931 uint32_t reg, value; 2932 unsigned i; 2933 2934 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS)); 2935 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C)); 2936 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2937 for (i = 0; i < 64; i++) { 2938 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100); 2939 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2; 2940 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i); 2941 value = RREG32(RADEON_RBBM_CMDFIFO_DATA); 2942 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value); 2943 } 2944 return 0; 2945 } 2946 2947 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data) 2948 { 2949 struct drm_info_node *node = (struct drm_info_node *) m->private; 2950 struct drm_device *dev = node->minor->dev; 2951 struct radeon_device *rdev = dev->dev_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(struct seq_file *m, void *data) 2976 { 2977 struct drm_info_node *node = (struct drm_info_node *) m->private; 2978 struct drm_device *dev = node->minor->dev; 2979 struct radeon_device *rdev = dev->dev_private; 2980 uint32_t csq_stat, csq2_stat, tmp; 2981 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr; 2982 unsigned i; 2983 2984 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2985 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE)); 2986 csq_stat = RREG32(RADEON_CP_CSQ_STAT); 2987 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT); 2988 r_rptr = (csq_stat >> 0) & 0x3ff; 2989 r_wptr = (csq_stat >> 10) & 0x3ff; 2990 ib1_rptr = (csq_stat >> 20) & 0x3ff; 2991 ib1_wptr = (csq2_stat >> 0) & 0x3ff; 2992 ib2_rptr = (csq2_stat >> 10) & 0x3ff; 2993 ib2_wptr = (csq2_stat >> 20) & 0x3ff; 2994 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat); 2995 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat); 2996 seq_printf(m, "Ring rptr %u\n", r_rptr); 2997 seq_printf(m, "Ring wptr %u\n", r_wptr); 2998 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr); 2999 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr); 3000 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr); 3001 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr); 3002 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms 3003 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */ 3004 seq_printf(m, "Ring fifo:\n"); 3005 for (i = 0; i < 256; i++) { 3006 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3007 tmp = RREG32(RADEON_CP_CSQ_DATA); 3008 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp); 3009 } 3010 seq_printf(m, "Indirect1 fifo:\n"); 3011 for (i = 256; i <= 512; i++) { 3012 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3013 tmp = RREG32(RADEON_CP_CSQ_DATA); 3014 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp); 3015 } 3016 seq_printf(m, "Indirect2 fifo:\n"); 3017 for (i = 640; i < ib1_wptr; i++) { 3018 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3019 tmp = RREG32(RADEON_CP_CSQ_DATA); 3020 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp); 3021 } 3022 return 0; 3023 } 3024 3025 static int r100_debugfs_mc_info(struct seq_file *m, void *data) 3026 { 3027 struct drm_info_node *node = (struct drm_info_node *) m->private; 3028 struct drm_device *dev = node->minor->dev; 3029 struct radeon_device *rdev = dev->dev_private; 3030 uint32_t tmp; 3031 3032 tmp = RREG32(RADEON_CONFIG_MEMSIZE); 3033 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp); 3034 tmp = RREG32(RADEON_MC_FB_LOCATION); 3035 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp); 3036 tmp = RREG32(RADEON_BUS_CNTL); 3037 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp); 3038 tmp = RREG32(RADEON_MC_AGP_LOCATION); 3039 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp); 3040 tmp = RREG32(RADEON_AGP_BASE); 3041 seq_printf(m, "AGP_BASE 0x%08x\n", tmp); 3042 tmp = RREG32(RADEON_HOST_PATH_CNTL); 3043 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp); 3044 tmp = RREG32(0x01D0); 3045 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp); 3046 tmp = RREG32(RADEON_AIC_LO_ADDR); 3047 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp); 3048 tmp = RREG32(RADEON_AIC_HI_ADDR); 3049 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp); 3050 tmp = RREG32(0x01E4); 3051 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp); 3052 return 0; 3053 } 3054 3055 static struct drm_info_list r100_debugfs_rbbm_list[] = { 3056 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL}, 3057 }; 3058 3059 static struct drm_info_list r100_debugfs_cp_list[] = { 3060 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL}, 3061 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL}, 3062 }; 3063 3064 static struct drm_info_list r100_debugfs_mc_info_list[] = { 3065 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL}, 3066 }; 3067 #endif 3068 3069 int r100_debugfs_rbbm_init(struct radeon_device *rdev) 3070 { 3071 #if defined(CONFIG_DEBUG_FS) 3072 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1); 3073 #else 3074 return 0; 3075 #endif 3076 } 3077 3078 int r100_debugfs_cp_init(struct radeon_device *rdev) 3079 { 3080 #if defined(CONFIG_DEBUG_FS) 3081 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2); 3082 #else 3083 return 0; 3084 #endif 3085 } 3086 3087 int r100_debugfs_mc_info_init(struct radeon_device *rdev) 3088 { 3089 #if defined(CONFIG_DEBUG_FS) 3090 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1); 3091 #else 3092 return 0; 3093 #endif 3094 } 3095 3096 int r100_set_surface_reg(struct radeon_device *rdev, int reg, 3097 uint32_t tiling_flags, uint32_t pitch, 3098 uint32_t offset, uint32_t obj_size) 3099 { 3100 int surf_index = reg * 16; 3101 int flags = 0; 3102 3103 if (rdev->family <= CHIP_RS200) { 3104 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3105 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3106 flags |= RADEON_SURF_TILE_COLOR_BOTH; 3107 if (tiling_flags & RADEON_TILING_MACRO) 3108 flags |= RADEON_SURF_TILE_COLOR_MACRO; 3109 /* setting pitch to 0 disables tiling */ 3110 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3111 == 0) 3112 pitch = 0; 3113 } else if (rdev->family <= CHIP_RV280) { 3114 if (tiling_flags & (RADEON_TILING_MACRO)) 3115 flags |= R200_SURF_TILE_COLOR_MACRO; 3116 if (tiling_flags & RADEON_TILING_MICRO) 3117 flags |= R200_SURF_TILE_COLOR_MICRO; 3118 } else { 3119 if (tiling_flags & RADEON_TILING_MACRO) 3120 flags |= R300_SURF_TILE_MACRO; 3121 if (tiling_flags & RADEON_TILING_MICRO) 3122 flags |= R300_SURF_TILE_MICRO; 3123 } 3124 3125 if (tiling_flags & RADEON_TILING_SWAP_16BIT) 3126 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP; 3127 if (tiling_flags & RADEON_TILING_SWAP_32BIT) 3128 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP; 3129 3130 /* r100/r200 divide by 16 */ 3131 if (rdev->family < CHIP_R300) 3132 flags |= pitch / 16; 3133 else 3134 flags |= pitch / 8; 3135 3136 3137 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1); 3138 WREG32(RADEON_SURFACE0_INFO + surf_index, flags); 3139 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset); 3140 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1); 3141 return 0; 3142 } 3143 3144 void r100_clear_surface_reg(struct radeon_device *rdev, int reg) 3145 { 3146 int surf_index = reg * 16; 3147 WREG32(RADEON_SURFACE0_INFO + surf_index, 0); 3148 } 3149 3150 void r100_bandwidth_update(struct radeon_device *rdev) 3151 { 3152 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff; 3153 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff; 3154 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff; 3155 uint32_t temp, data, mem_trcd, mem_trp, mem_tras; 3156 fixed20_12 memtcas_ff[8] = { 3157 dfixed_init(1), 3158 dfixed_init(2), 3159 dfixed_init(3), 3160 dfixed_init(0), 3161 dfixed_init_half(1), 3162 dfixed_init_half(2), 3163 dfixed_init(0), 3164 }; 3165 fixed20_12 memtcas_rs480_ff[8] = { 3166 dfixed_init(0), 3167 dfixed_init(1), 3168 dfixed_init(2), 3169 dfixed_init(3), 3170 dfixed_init(0), 3171 dfixed_init_half(1), 3172 dfixed_init_half(2), 3173 dfixed_init_half(3), 3174 }; 3175 fixed20_12 memtcas2_ff[8] = { 3176 dfixed_init(0), 3177 dfixed_init(1), 3178 dfixed_init(2), 3179 dfixed_init(3), 3180 dfixed_init(4), 3181 dfixed_init(5), 3182 dfixed_init(6), 3183 dfixed_init(7), 3184 }; 3185 fixed20_12 memtrbs[8] = { 3186 dfixed_init(1), 3187 dfixed_init_half(1), 3188 dfixed_init(2), 3189 dfixed_init_half(2), 3190 dfixed_init(3), 3191 dfixed_init_half(3), 3192 dfixed_init(4), 3193 dfixed_init_half(4) 3194 }; 3195 fixed20_12 memtrbs_r4xx[8] = { 3196 dfixed_init(4), 3197 dfixed_init(5), 3198 dfixed_init(6), 3199 dfixed_init(7), 3200 dfixed_init(8), 3201 dfixed_init(9), 3202 dfixed_init(10), 3203 dfixed_init(11) 3204 }; 3205 fixed20_12 min_mem_eff; 3206 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1; 3207 fixed20_12 cur_latency_mclk, cur_latency_sclk; 3208 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate, 3209 disp_drain_rate2, read_return_rate; 3210 fixed20_12 time_disp1_drop_priority; 3211 int c; 3212 int cur_size = 16; /* in octawords */ 3213 int critical_point = 0, critical_point2; 3214 /* uint32_t read_return_rate, time_disp1_drop_priority; */ 3215 int stop_req, max_stop_req; 3216 struct drm_display_mode *mode1 = NULL; 3217 struct drm_display_mode *mode2 = NULL; 3218 uint32_t pixel_bytes1 = 0; 3219 uint32_t pixel_bytes2 = 0; 3220 3221 radeon_update_display_priority(rdev); 3222 3223 if (rdev->mode_info.crtcs[0]->base.enabled) { 3224 mode1 = &rdev->mode_info.crtcs[0]->base.mode; 3225 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8; 3226 } 3227 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3228 if (rdev->mode_info.crtcs[1]->base.enabled) { 3229 mode2 = &rdev->mode_info.crtcs[1]->base.mode; 3230 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8; 3231 } 3232 } 3233 3234 min_mem_eff.full = dfixed_const_8(0); 3235 /* get modes */ 3236 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) { 3237 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER); 3238 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT); 3239 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT); 3240 /* check crtc enables */ 3241 if (mode2) 3242 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); 3243 if (mode1) 3244 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT); 3245 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer); 3246 } 3247 3248 /* 3249 * determine is there is enough bw for current mode 3250 */ 3251 sclk_ff = rdev->pm.sclk; 3252 mclk_ff = rdev->pm.mclk; 3253 3254 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1); 3255 temp_ff.full = dfixed_const(temp); 3256 mem_bw.full = dfixed_mul(mclk_ff, temp_ff); 3257 3258 pix_clk.full = 0; 3259 pix_clk2.full = 0; 3260 peak_disp_bw.full = 0; 3261 if (mode1) { 3262 temp_ff.full = dfixed_const(1000); 3263 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */ 3264 pix_clk.full = dfixed_div(pix_clk, temp_ff); 3265 temp_ff.full = dfixed_const(pixel_bytes1); 3266 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff); 3267 } 3268 if (mode2) { 3269 temp_ff.full = dfixed_const(1000); 3270 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */ 3271 pix_clk2.full = dfixed_div(pix_clk2, temp_ff); 3272 temp_ff.full = dfixed_const(pixel_bytes2); 3273 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff); 3274 } 3275 3276 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff); 3277 if (peak_disp_bw.full >= mem_bw.full) { 3278 DRM_ERROR("You may not have enough display bandwidth for current mode\n" 3279 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n"); 3280 } 3281 3282 /* Get values from the EXT_MEM_CNTL register...converting its contents. */ 3283 temp = RREG32(RADEON_MEM_TIMING_CNTL); 3284 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */ 3285 mem_trcd = ((temp >> 2) & 0x3) + 1; 3286 mem_trp = ((temp & 0x3)) + 1; 3287 mem_tras = ((temp & 0x70) >> 4) + 1; 3288 } else if (rdev->family == CHIP_R300 || 3289 rdev->family == CHIP_R350) { /* r300, r350 */ 3290 mem_trcd = (temp & 0x7) + 1; 3291 mem_trp = ((temp >> 8) & 0x7) + 1; 3292 mem_tras = ((temp >> 11) & 0xf) + 4; 3293 } else if (rdev->family == CHIP_RV350 || 3294 rdev->family <= CHIP_RV380) { 3295 /* rv3x0 */ 3296 mem_trcd = (temp & 0x7) + 3; 3297 mem_trp = ((temp >> 8) & 0x7) + 3; 3298 mem_tras = ((temp >> 11) & 0xf) + 6; 3299 } else if (rdev->family == CHIP_R420 || 3300 rdev->family == CHIP_R423 || 3301 rdev->family == CHIP_RV410) { 3302 /* r4xx */ 3303 mem_trcd = (temp & 0xf) + 3; 3304 if (mem_trcd > 15) 3305 mem_trcd = 15; 3306 mem_trp = ((temp >> 8) & 0xf) + 3; 3307 if (mem_trp > 15) 3308 mem_trp = 15; 3309 mem_tras = ((temp >> 12) & 0x1f) + 6; 3310 if (mem_tras > 31) 3311 mem_tras = 31; 3312 } else { /* RV200, R200 */ 3313 mem_trcd = (temp & 0x7) + 1; 3314 mem_trp = ((temp >> 8) & 0x7) + 1; 3315 mem_tras = ((temp >> 12) & 0xf) + 4; 3316 } 3317 /* convert to FF */ 3318 trcd_ff.full = dfixed_const(mem_trcd); 3319 trp_ff.full = dfixed_const(mem_trp); 3320 tras_ff.full = dfixed_const(mem_tras); 3321 3322 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */ 3323 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG); 3324 data = (temp & (7 << 20)) >> 20; 3325 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) { 3326 if (rdev->family == CHIP_RS480) /* don't think rs400 */ 3327 tcas_ff = memtcas_rs480_ff[data]; 3328 else 3329 tcas_ff = memtcas_ff[data]; 3330 } else 3331 tcas_ff = memtcas2_ff[data]; 3332 3333 if (rdev->family == CHIP_RS400 || 3334 rdev->family == CHIP_RS480) { 3335 /* extra cas latency stored in bits 23-25 0-4 clocks */ 3336 data = (temp >> 23) & 0x7; 3337 if (data < 5) 3338 tcas_ff.full += dfixed_const(data); 3339 } 3340 3341 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) { 3342 /* on the R300, Tcas is included in Trbs. 3343 */ 3344 temp = RREG32(RADEON_MEM_CNTL); 3345 data = (R300_MEM_NUM_CHANNELS_MASK & temp); 3346 if (data == 1) { 3347 if (R300_MEM_USE_CD_CH_ONLY & temp) { 3348 temp = RREG32(R300_MC_IND_INDEX); 3349 temp &= ~R300_MC_IND_ADDR_MASK; 3350 temp |= R300_MC_READ_CNTL_CD_mcind; 3351 WREG32(R300_MC_IND_INDEX, temp); 3352 temp = RREG32(R300_MC_IND_DATA); 3353 data = (R300_MEM_RBS_POSITION_C_MASK & temp); 3354 } else { 3355 temp = RREG32(R300_MC_READ_CNTL_AB); 3356 data = (R300_MEM_RBS_POSITION_A_MASK & temp); 3357 } 3358 } else { 3359 temp = RREG32(R300_MC_READ_CNTL_AB); 3360 data = (R300_MEM_RBS_POSITION_A_MASK & temp); 3361 } 3362 if (rdev->family == CHIP_RV410 || 3363 rdev->family == CHIP_R420 || 3364 rdev->family == CHIP_R423) 3365 trbs_ff = memtrbs_r4xx[data]; 3366 else 3367 trbs_ff = memtrbs[data]; 3368 tcas_ff.full += trbs_ff.full; 3369 } 3370 3371 sclk_eff_ff.full = sclk_ff.full; 3372 3373 if (rdev->flags & RADEON_IS_AGP) { 3374 fixed20_12 agpmode_ff; 3375 agpmode_ff.full = dfixed_const(radeon_agpmode); 3376 temp_ff.full = dfixed_const_666(16); 3377 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff); 3378 } 3379 /* TODO PCIE lanes may affect this - agpmode == 16?? */ 3380 3381 if (ASIC_IS_R300(rdev)) { 3382 sclk_delay_ff.full = dfixed_const(250); 3383 } else { 3384 if ((rdev->family == CHIP_RV100) || 3385 rdev->flags & RADEON_IS_IGP) { 3386 if (rdev->mc.vram_is_ddr) 3387 sclk_delay_ff.full = dfixed_const(41); 3388 else 3389 sclk_delay_ff.full = dfixed_const(33); 3390 } else { 3391 if (rdev->mc.vram_width == 128) 3392 sclk_delay_ff.full = dfixed_const(57); 3393 else 3394 sclk_delay_ff.full = dfixed_const(41); 3395 } 3396 } 3397 3398 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff); 3399 3400 if (rdev->mc.vram_is_ddr) { 3401 if (rdev->mc.vram_width == 32) { 3402 k1.full = dfixed_const(40); 3403 c = 3; 3404 } else { 3405 k1.full = dfixed_const(20); 3406 c = 1; 3407 } 3408 } else { 3409 k1.full = dfixed_const(40); 3410 c = 3; 3411 } 3412 3413 temp_ff.full = dfixed_const(2); 3414 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff); 3415 temp_ff.full = dfixed_const(c); 3416 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff); 3417 temp_ff.full = dfixed_const(4); 3418 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff); 3419 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff); 3420 mc_latency_mclk.full += k1.full; 3421 3422 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff); 3423 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff); 3424 3425 /* 3426 HW cursor time assuming worst case of full size colour cursor. 3427 */ 3428 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1)))); 3429 temp_ff.full += trcd_ff.full; 3430 if (temp_ff.full < tras_ff.full) 3431 temp_ff.full = tras_ff.full; 3432 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff); 3433 3434 temp_ff.full = dfixed_const(cur_size); 3435 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff); 3436 /* 3437 Find the total latency for the display data. 3438 */ 3439 disp_latency_overhead.full = dfixed_const(8); 3440 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff); 3441 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full; 3442 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full; 3443 3444 if (mc_latency_mclk.full > mc_latency_sclk.full) 3445 disp_latency.full = mc_latency_mclk.full; 3446 else 3447 disp_latency.full = mc_latency_sclk.full; 3448 3449 /* setup Max GRPH_STOP_REQ default value */ 3450 if (ASIC_IS_RV100(rdev)) 3451 max_stop_req = 0x5c; 3452 else 3453 max_stop_req = 0x7c; 3454 3455 if (mode1) { 3456 /* CRTC1 3457 Set GRPH_BUFFER_CNTL register using h/w defined optimal values. 3458 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ] 3459 */ 3460 stop_req = mode1->hdisplay * pixel_bytes1 / 16; 3461 3462 if (stop_req > max_stop_req) 3463 stop_req = max_stop_req; 3464 3465 /* 3466 Find the drain rate of the display buffer. 3467 */ 3468 temp_ff.full = dfixed_const((16/pixel_bytes1)); 3469 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff); 3470 3471 /* 3472 Find the critical point of the display buffer. 3473 */ 3474 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency); 3475 crit_point_ff.full += dfixed_const_half(0); 3476 3477 critical_point = dfixed_trunc(crit_point_ff); 3478 3479 if (rdev->disp_priority == 2) { 3480 critical_point = 0; 3481 } 3482 3483 /* 3484 The critical point should never be above max_stop_req-4. Setting 3485 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time. 3486 */ 3487 if (max_stop_req - critical_point < 4) 3488 critical_point = 0; 3489 3490 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) { 3491 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/ 3492 critical_point = 0x10; 3493 } 3494 3495 temp = RREG32(RADEON_GRPH_BUFFER_CNTL); 3496 temp &= ~(RADEON_GRPH_STOP_REQ_MASK); 3497 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); 3498 temp &= ~(RADEON_GRPH_START_REQ_MASK); 3499 if ((rdev->family == CHIP_R350) && 3500 (stop_req > 0x15)) { 3501 stop_req -= 0x10; 3502 } 3503 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); 3504 temp |= RADEON_GRPH_BUFFER_SIZE; 3505 temp &= ~(RADEON_GRPH_CRITICAL_CNTL | 3506 RADEON_GRPH_CRITICAL_AT_SOF | 3507 RADEON_GRPH_STOP_CNTL); 3508 /* 3509 Write the result into the register. 3510 */ 3511 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) | 3512 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT))); 3513 3514 #if 0 3515 if ((rdev->family == CHIP_RS400) || 3516 (rdev->family == CHIP_RS480)) { 3517 /* attempt to program RS400 disp regs correctly ??? */ 3518 temp = RREG32(RS400_DISP1_REG_CNTL); 3519 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK | 3520 RS400_DISP1_STOP_REQ_LEVEL_MASK); 3521 WREG32(RS400_DISP1_REQ_CNTL1, (temp | 3522 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) | 3523 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); 3524 temp = RREG32(RS400_DMIF_MEM_CNTL1); 3525 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK | 3526 RS400_DISP1_CRITICAL_POINT_STOP_MASK); 3527 WREG32(RS400_DMIF_MEM_CNTL1, (temp | 3528 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) | 3529 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT))); 3530 } 3531 #endif 3532 3533 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n", 3534 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */ 3535 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL)); 3536 } 3537 3538 if (mode2) { 3539 u32 grph2_cntl; 3540 stop_req = mode2->hdisplay * pixel_bytes2 / 16; 3541 3542 if (stop_req > max_stop_req) 3543 stop_req = max_stop_req; 3544 3545 /* 3546 Find the drain rate of the display buffer. 3547 */ 3548 temp_ff.full = dfixed_const((16/pixel_bytes2)); 3549 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff); 3550 3551 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL); 3552 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK); 3553 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); 3554 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK); 3555 if ((rdev->family == CHIP_R350) && 3556 (stop_req > 0x15)) { 3557 stop_req -= 0x10; 3558 } 3559 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); 3560 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE; 3561 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL | 3562 RADEON_GRPH_CRITICAL_AT_SOF | 3563 RADEON_GRPH_STOP_CNTL); 3564 3565 if ((rdev->family == CHIP_RS100) || 3566 (rdev->family == CHIP_RS200)) 3567 critical_point2 = 0; 3568 else { 3569 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128; 3570 temp_ff.full = dfixed_const(temp); 3571 temp_ff.full = dfixed_mul(mclk_ff, temp_ff); 3572 if (sclk_ff.full < temp_ff.full) 3573 temp_ff.full = sclk_ff.full; 3574 3575 read_return_rate.full = temp_ff.full; 3576 3577 if (mode1) { 3578 temp_ff.full = read_return_rate.full - disp_drain_rate.full; 3579 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff); 3580 } else { 3581 time_disp1_drop_priority.full = 0; 3582 } 3583 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full; 3584 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2); 3585 crit_point_ff.full += dfixed_const_half(0); 3586 3587 critical_point2 = dfixed_trunc(crit_point_ff); 3588 3589 if (rdev->disp_priority == 2) { 3590 critical_point2 = 0; 3591 } 3592 3593 if (max_stop_req - critical_point2 < 4) 3594 critical_point2 = 0; 3595 3596 } 3597 3598 if (critical_point2 == 0 && rdev->family == CHIP_R300) { 3599 /* some R300 cards have problem with this set to 0 */ 3600 critical_point2 = 0x10; 3601 } 3602 3603 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) | 3604 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT))); 3605 3606 if ((rdev->family == CHIP_RS400) || 3607 (rdev->family == CHIP_RS480)) { 3608 #if 0 3609 /* attempt to program RS400 disp2 regs correctly ??? */ 3610 temp = RREG32(RS400_DISP2_REQ_CNTL1); 3611 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK | 3612 RS400_DISP2_STOP_REQ_LEVEL_MASK); 3613 WREG32(RS400_DISP2_REQ_CNTL1, (temp | 3614 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) | 3615 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); 3616 temp = RREG32(RS400_DISP2_REQ_CNTL2); 3617 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK | 3618 RS400_DISP2_CRITICAL_POINT_STOP_MASK); 3619 WREG32(RS400_DISP2_REQ_CNTL2, (temp | 3620 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) | 3621 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT))); 3622 #endif 3623 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC); 3624 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000); 3625 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC); 3626 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC); 3627 } 3628 3629 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n", 3630 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL)); 3631 } 3632 } 3633 3634 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 3635 { 3636 uint32_t scratch; 3637 uint32_t tmp = 0; 3638 unsigned i; 3639 int r; 3640 3641 r = radeon_scratch_get(rdev, &scratch); 3642 if (r) { 3643 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 3644 return r; 3645 } 3646 WREG32(scratch, 0xCAFEDEAD); 3647 r = radeon_ring_lock(rdev, ring, 2); 3648 if (r) { 3649 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 3650 radeon_scratch_free(rdev, scratch); 3651 return r; 3652 } 3653 radeon_ring_write(ring, PACKET0(scratch, 0)); 3654 radeon_ring_write(ring, 0xDEADBEEF); 3655 radeon_ring_unlock_commit(rdev, ring); 3656 for (i = 0; i < rdev->usec_timeout; i++) { 3657 tmp = RREG32(scratch); 3658 if (tmp == 0xDEADBEEF) { 3659 break; 3660 } 3661 DRM_UDELAY(1); 3662 } 3663 if (i < rdev->usec_timeout) { 3664 DRM_INFO("ring test succeeded in %d usecs\n", i); 3665 } else { 3666 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n", 3667 scratch, tmp); 3668 r = -EINVAL; 3669 } 3670 radeon_scratch_free(rdev, scratch); 3671 return r; 3672 } 3673 3674 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3675 { 3676 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 3677 3678 if (ring->rptr_save_reg) { 3679 u32 next_rptr = ring->wptr + 2 + 3; 3680 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0)); 3681 radeon_ring_write(ring, next_rptr); 3682 } 3683 3684 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1)); 3685 radeon_ring_write(ring, ib->gpu_addr); 3686 radeon_ring_write(ring, ib->length_dw); 3687 } 3688 3689 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3690 { 3691 struct radeon_ib ib; 3692 uint32_t scratch; 3693 uint32_t tmp = 0; 3694 unsigned i; 3695 int r; 3696 3697 r = radeon_scratch_get(rdev, &scratch); 3698 if (r) { 3699 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3700 return r; 3701 } 3702 WREG32(scratch, 0xCAFEDEAD); 3703 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256); 3704 if (r) { 3705 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3706 goto free_scratch; 3707 } 3708 ib.ptr[0] = PACKET0(scratch, 0); 3709 ib.ptr[1] = 0xDEADBEEF; 3710 ib.ptr[2] = PACKET2(0); 3711 ib.ptr[3] = PACKET2(0); 3712 ib.ptr[4] = PACKET2(0); 3713 ib.ptr[5] = PACKET2(0); 3714 ib.ptr[6] = PACKET2(0); 3715 ib.ptr[7] = PACKET2(0); 3716 ib.length_dw = 8; 3717 r = radeon_ib_schedule(rdev, &ib, NULL); 3718 if (r) { 3719 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3720 goto free_ib; 3721 } 3722 r = radeon_fence_wait(ib.fence, false); 3723 if (r) { 3724 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3725 goto free_ib; 3726 } 3727 for (i = 0; i < rdev->usec_timeout; i++) { 3728 tmp = RREG32(scratch); 3729 if (tmp == 0xDEADBEEF) { 3730 break; 3731 } 3732 DRM_UDELAY(1); 3733 } 3734 if (i < rdev->usec_timeout) { 3735 DRM_INFO("ib test succeeded in %u usecs\n", i); 3736 } else { 3737 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3738 scratch, tmp); 3739 r = -EINVAL; 3740 } 3741 free_ib: 3742 radeon_ib_free(rdev, &ib); 3743 free_scratch: 3744 radeon_scratch_free(rdev, scratch); 3745 return r; 3746 } 3747 3748 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save) 3749 { 3750 /* Shutdown CP we shouldn't need to do that but better be safe than 3751 * sorry 3752 */ 3753 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 3754 WREG32(R_000740_CP_CSQ_CNTL, 0); 3755 3756 /* Save few CRTC registers */ 3757 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT); 3758 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL); 3759 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL); 3760 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET); 3761 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3762 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL); 3763 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET); 3764 } 3765 3766 /* Disable VGA aperture access */ 3767 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT); 3768 /* Disable cursor, overlay, crtc */ 3769 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1)); 3770 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL | 3771 S_000054_CRTC_DISPLAY_DIS(1)); 3772 WREG32(R_000050_CRTC_GEN_CNTL, 3773 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) | 3774 S_000050_CRTC_DISP_REQ_EN_B(1)); 3775 WREG32(R_000420_OV0_SCALE_CNTL, 3776 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL)); 3777 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET); 3778 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3779 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET | 3780 S_000360_CUR2_LOCK(1)); 3781 WREG32(R_0003F8_CRTC2_GEN_CNTL, 3782 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) | 3783 S_0003F8_CRTC2_DISPLAY_DIS(1) | 3784 S_0003F8_CRTC2_DISP_REQ_EN_B(1)); 3785 WREG32(R_000360_CUR2_OFFSET, 3786 C_000360_CUR2_LOCK & save->CUR2_OFFSET); 3787 } 3788 } 3789 3790 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save) 3791 { 3792 /* Update base address for crtc */ 3793 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start); 3794 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3795 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start); 3796 } 3797 /* Restore CRTC registers */ 3798 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT); 3799 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL); 3800 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL); 3801 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3802 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL); 3803 } 3804 } 3805 3806 void r100_vga_render_disable(struct radeon_device *rdev) 3807 { 3808 u32 tmp; 3809 3810 tmp = RREG8(R_0003C2_GENMO_WT); 3811 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp); 3812 } 3813 3814 static void r100_debugfs(struct radeon_device *rdev) 3815 { 3816 int r; 3817 3818 r = r100_debugfs_mc_info_init(rdev); 3819 if (r) 3820 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n"); 3821 } 3822 3823 static void r100_mc_program(struct radeon_device *rdev) 3824 { 3825 struct r100_mc_save save; 3826 3827 /* Stops all mc clients */ 3828 r100_mc_stop(rdev, &save); 3829 if (rdev->flags & RADEON_IS_AGP) { 3830 WREG32(R_00014C_MC_AGP_LOCATION, 3831 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) | 3832 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 3833 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 3834 if (rdev->family > CHIP_RV200) 3835 WREG32(R_00015C_AGP_BASE_2, 3836 upper_32_bits(rdev->mc.agp_base) & 0xff); 3837 } else { 3838 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF); 3839 WREG32(R_000170_AGP_BASE, 0); 3840 if (rdev->family > CHIP_RV200) 3841 WREG32(R_00015C_AGP_BASE_2, 0); 3842 } 3843 /* Wait for mc idle */ 3844 if (r100_mc_wait_for_idle(rdev)) 3845 dev_warn(rdev->dev, "Wait for MC idle timeout.\n"); 3846 /* Program MC, should be a 32bits limited address space */ 3847 WREG32(R_000148_MC_FB_LOCATION, 3848 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) | 3849 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16)); 3850 r100_mc_resume(rdev, &save); 3851 } 3852 3853 static void r100_clock_startup(struct radeon_device *rdev) 3854 { 3855 u32 tmp; 3856 3857 if (radeon_dynclks != -1 && radeon_dynclks) 3858 radeon_legacy_set_clock_gating(rdev, 1); 3859 /* We need to force on some of the block */ 3860 tmp = RREG32_PLL(R_00000D_SCLK_CNTL); 3861 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1); 3862 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280)) 3863 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1); 3864 WREG32_PLL(R_00000D_SCLK_CNTL, tmp); 3865 } 3866 3867 static int r100_startup(struct radeon_device *rdev) 3868 { 3869 int r; 3870 3871 /* set common regs */ 3872 r100_set_common_regs(rdev); 3873 /* program mc */ 3874 r100_mc_program(rdev); 3875 /* Resume clock */ 3876 r100_clock_startup(rdev); 3877 /* Initialize GART (initialize after TTM so we can allocate 3878 * memory through TTM but finalize after TTM) */ 3879 r100_enable_bm(rdev); 3880 if (rdev->flags & RADEON_IS_PCI) { 3881 r = r100_pci_gart_enable(rdev); 3882 if (r) 3883 return r; 3884 } 3885 3886 /* allocate wb buffer */ 3887 r = radeon_wb_init(rdev); 3888 if (r) 3889 return r; 3890 3891 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 3892 if (r) { 3893 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 3894 return r; 3895 } 3896 3897 /* Enable IRQ */ 3898 if (!rdev->irq.installed) { 3899 r = radeon_irq_kms_init(rdev); 3900 if (r) 3901 return r; 3902 } 3903 3904 r100_irq_set(rdev); 3905 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 3906 /* 1M ring buffer */ 3907 r = r100_cp_init(rdev, 1024 * 1024); 3908 if (r) { 3909 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 3910 return r; 3911 } 3912 3913 r = radeon_ib_pool_init(rdev); 3914 if (r) { 3915 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 3916 return r; 3917 } 3918 3919 return 0; 3920 } 3921 3922 int r100_resume(struct radeon_device *rdev) 3923 { 3924 int r; 3925 3926 /* Make sur GART are not working */ 3927 if (rdev->flags & RADEON_IS_PCI) 3928 r100_pci_gart_disable(rdev); 3929 /* Resume clock before doing reset */ 3930 r100_clock_startup(rdev); 3931 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 3932 if (radeon_asic_reset(rdev)) { 3933 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 3934 RREG32(R_000E40_RBBM_STATUS), 3935 RREG32(R_0007C0_CP_STAT)); 3936 } 3937 /* post */ 3938 radeon_combios_asic_init(rdev->ddev); 3939 /* Resume clock after posting */ 3940 r100_clock_startup(rdev); 3941 /* Initialize surface registers */ 3942 radeon_surface_init(rdev); 3943 3944 radeon_pm_resume(rdev); 3945 3946 rdev->accel_working = true; 3947 r = r100_startup(rdev); 3948 if (r) { 3949 rdev->accel_working = false; 3950 } 3951 return r; 3952 } 3953 3954 int r100_suspend(struct radeon_device *rdev) 3955 { 3956 radeon_pm_suspend(rdev); 3957 r100_cp_disable(rdev); 3958 radeon_wb_disable(rdev); 3959 r100_irq_disable(rdev); 3960 if (rdev->flags & RADEON_IS_PCI) 3961 r100_pci_gart_disable(rdev); 3962 return 0; 3963 } 3964 3965 void r100_fini(struct radeon_device *rdev) 3966 { 3967 radeon_pm_fini(rdev); 3968 r100_cp_fini(rdev); 3969 radeon_wb_fini(rdev); 3970 radeon_ib_pool_fini(rdev); 3971 radeon_gem_fini(rdev); 3972 if (rdev->flags & RADEON_IS_PCI) 3973 r100_pci_gart_fini(rdev); 3974 radeon_agp_fini(rdev); 3975 radeon_irq_kms_fini(rdev); 3976 radeon_fence_driver_fini(rdev); 3977 radeon_bo_fini(rdev); 3978 radeon_atombios_fini(rdev); 3979 kfree(rdev->bios); 3980 rdev->bios = NULL; 3981 } 3982 3983 /* 3984 * Due to how kexec works, it can leave the hw fully initialised when it 3985 * boots the new kernel. However doing our init sequence with the CP and 3986 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup 3987 * do some quick sanity checks and restore sane values to avoid this 3988 * problem. 3989 */ 3990 void r100_restore_sanity(struct radeon_device *rdev) 3991 { 3992 u32 tmp; 3993 3994 tmp = RREG32(RADEON_CP_CSQ_CNTL); 3995 if (tmp) { 3996 WREG32(RADEON_CP_CSQ_CNTL, 0); 3997 } 3998 tmp = RREG32(RADEON_CP_RB_CNTL); 3999 if (tmp) { 4000 WREG32(RADEON_CP_RB_CNTL, 0); 4001 } 4002 tmp = RREG32(RADEON_SCRATCH_UMSK); 4003 if (tmp) { 4004 WREG32(RADEON_SCRATCH_UMSK, 0); 4005 } 4006 } 4007 4008 int r100_init(struct radeon_device *rdev) 4009 { 4010 int r; 4011 4012 /* Register debugfs file specific to this group of asics */ 4013 r100_debugfs(rdev); 4014 /* Disable VGA */ 4015 r100_vga_render_disable(rdev); 4016 /* Initialize scratch registers */ 4017 radeon_scratch_init(rdev); 4018 /* Initialize surface registers */ 4019 radeon_surface_init(rdev); 4020 /* sanity check some register to avoid hangs like after kexec */ 4021 r100_restore_sanity(rdev); 4022 /* TODO: disable VGA need to use VGA request */ 4023 /* BIOS*/ 4024 if (!radeon_get_bios(rdev)) { 4025 if (ASIC_IS_AVIVO(rdev)) 4026 return -EINVAL; 4027 } 4028 if (rdev->is_atom_bios) { 4029 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n"); 4030 return -EINVAL; 4031 } else { 4032 r = radeon_combios_init(rdev); 4033 if (r) 4034 return r; 4035 } 4036 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 4037 if (radeon_asic_reset(rdev)) { 4038 dev_warn(rdev->dev, 4039 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 4040 RREG32(R_000E40_RBBM_STATUS), 4041 RREG32(R_0007C0_CP_STAT)); 4042 } 4043 /* check if cards are posted or not */ 4044 if (radeon_boot_test_post_card(rdev) == false) 4045 return -EINVAL; 4046 /* Set asic errata */ 4047 r100_errata(rdev); 4048 /* Initialize clocks */ 4049 radeon_get_clock_info(rdev->ddev); 4050 /* initialize AGP */ 4051 if (rdev->flags & RADEON_IS_AGP) { 4052 r = radeon_agp_init(rdev); 4053 if (r) { 4054 radeon_agp_disable(rdev); 4055 } 4056 } 4057 /* initialize VRAM */ 4058 r100_mc_init(rdev); 4059 /* Fence driver */ 4060 r = radeon_fence_driver_init(rdev); 4061 if (r) 4062 return r; 4063 /* Memory manager */ 4064 r = radeon_bo_init(rdev); 4065 if (r) 4066 return r; 4067 if (rdev->flags & RADEON_IS_PCI) { 4068 r = r100_pci_gart_init(rdev); 4069 if (r) 4070 return r; 4071 } 4072 r100_set_safe_registers(rdev); 4073 4074 /* Initialize power management */ 4075 radeon_pm_init(rdev); 4076 4077 rdev->accel_working = true; 4078 r = r100_startup(rdev); 4079 if (r) { 4080 /* Somethings want wront with the accel init stop accel */ 4081 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 4082 r100_cp_fini(rdev); 4083 radeon_wb_fini(rdev); 4084 radeon_ib_pool_fini(rdev); 4085 radeon_irq_kms_fini(rdev); 4086 if (rdev->flags & RADEON_IS_PCI) 4087 r100_pci_gart_fini(rdev); 4088 rdev->accel_working = false; 4089 } 4090 return 0; 4091 } 4092 4093 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg, 4094 bool always_indirect) 4095 { 4096 if (reg < rdev->rmmio_size && !always_indirect) 4097 return readl(((void __iomem *)rdev->rmmio) + reg); 4098 else { 4099 unsigned long flags; 4100 uint32_t ret; 4101 4102 spin_lock_irqsave(&rdev->mmio_idx_lock, flags); 4103 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); 4104 ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); 4105 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags); 4106 4107 return ret; 4108 } 4109 } 4110 4111 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v, 4112 bool always_indirect) 4113 { 4114 if (reg < rdev->rmmio_size && !always_indirect) 4115 writel(v, ((void __iomem *)rdev->rmmio) + reg); 4116 else { 4117 unsigned long flags; 4118 4119 spin_lock_irqsave(&rdev->mmio_idx_lock, flags); 4120 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); 4121 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); 4122 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags); 4123 } 4124 } 4125 4126 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg) 4127 { 4128 if (reg < rdev->rio_mem_size) 4129 return ioread32(rdev->rio_mem + reg); 4130 else { 4131 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX); 4132 return ioread32(rdev->rio_mem + RADEON_MM_DATA); 4133 } 4134 } 4135 4136 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v) 4137 { 4138 if (reg < rdev->rio_mem_size) 4139 iowrite32(v, rdev->rio_mem + reg); 4140 else { 4141 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX); 4142 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA); 4143 } 4144 } 4145