1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #include <linux/seq_file.h> 29 #include <linux/slab.h> 30 #include <drm/drmP.h> 31 #include <drm/radeon_drm.h> 32 #include "radeon_reg.h" 33 #include "radeon.h" 34 #include "radeon_asic.h" 35 #include "r100d.h" 36 #include "rs100d.h" 37 #include "rv200d.h" 38 #include "rv250d.h" 39 #include "atom.h" 40 41 #include <linux/firmware.h> 42 #include <linux/module.h> 43 44 #include "r100_reg_safe.h" 45 #include "rn50_reg_safe.h" 46 47 /* Firmware Names */ 48 #define FIRMWARE_R100 "radeon/R100_cp.bin" 49 #define FIRMWARE_R200 "radeon/R200_cp.bin" 50 #define FIRMWARE_R300 "radeon/R300_cp.bin" 51 #define FIRMWARE_R420 "radeon/R420_cp.bin" 52 #define FIRMWARE_RS690 "radeon/RS690_cp.bin" 53 #define FIRMWARE_RS600 "radeon/RS600_cp.bin" 54 #define FIRMWARE_R520 "radeon/R520_cp.bin" 55 56 MODULE_FIRMWARE(FIRMWARE_R100); 57 MODULE_FIRMWARE(FIRMWARE_R200); 58 MODULE_FIRMWARE(FIRMWARE_R300); 59 MODULE_FIRMWARE(FIRMWARE_R420); 60 MODULE_FIRMWARE(FIRMWARE_RS690); 61 MODULE_FIRMWARE(FIRMWARE_RS600); 62 MODULE_FIRMWARE(FIRMWARE_R520); 63 64 #include "r100_track.h" 65 66 /* This files gather functions specifics to: 67 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 68 * and others in some cases. 69 */ 70 71 static bool r100_is_in_vblank(struct radeon_device *rdev, int crtc) 72 { 73 if (crtc == 0) { 74 if (RREG32(RADEON_CRTC_STATUS) & RADEON_CRTC_VBLANK_CUR) 75 return true; 76 else 77 return false; 78 } else { 79 if (RREG32(RADEON_CRTC2_STATUS) & RADEON_CRTC2_VBLANK_CUR) 80 return true; 81 else 82 return false; 83 } 84 } 85 86 static bool r100_is_counter_moving(struct radeon_device *rdev, int crtc) 87 { 88 u32 vline1, vline2; 89 90 if (crtc == 0) { 91 vline1 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 92 vline2 = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 93 } else { 94 vline1 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 95 vline2 = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL; 96 } 97 if (vline1 != vline2) 98 return true; 99 else 100 return false; 101 } 102 103 /** 104 * r100_wait_for_vblank - vblank wait asic callback. 105 * 106 * @rdev: radeon_device pointer 107 * @crtc: crtc to wait for vblank on 108 * 109 * Wait for vblank on the requested crtc (r1xx-r4xx). 110 */ 111 void r100_wait_for_vblank(struct radeon_device *rdev, int crtc) 112 { 113 unsigned i = 0; 114 115 if (crtc >= rdev->num_crtc) 116 return; 117 118 if (crtc == 0) { 119 if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN)) 120 return; 121 } else { 122 if (!(RREG32(RADEON_CRTC2_GEN_CNTL) & RADEON_CRTC2_EN)) 123 return; 124 } 125 126 /* depending on when we hit vblank, we may be close to active; if so, 127 * wait for another frame. 128 */ 129 while (r100_is_in_vblank(rdev, crtc)) { 130 if (i++ % 100 == 0) { 131 if (!r100_is_counter_moving(rdev, crtc)) 132 break; 133 } 134 } 135 136 while (!r100_is_in_vblank(rdev, crtc)) { 137 if (i++ % 100 == 0) { 138 if (!r100_is_counter_moving(rdev, crtc)) 139 break; 140 } 141 } 142 } 143 144 /** 145 * r100_page_flip - pageflip callback. 146 * 147 * @rdev: radeon_device pointer 148 * @crtc_id: crtc to cleanup pageflip on 149 * @crtc_base: new address of the crtc (GPU MC address) 150 * 151 * Does the actual pageflip (r1xx-r4xx). 152 * During vblank we take the crtc lock and wait for the update_pending 153 * bit to go high, when it does, we release the lock, and allow the 154 * double buffered update to take place. 155 */ 156 void r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) 157 { 158 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 159 u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK; 160 int i; 161 162 /* Lock the graphics update lock */ 163 /* update the scanout addresses */ 164 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); 165 166 /* Wait for update_pending to go high. */ 167 for (i = 0; i < rdev->usec_timeout; i++) { 168 if (RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET) 169 break; 170 udelay(1); 171 } 172 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 173 174 /* Unlock the lock, so double-buffering can take place inside vblank */ 175 tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK; 176 WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); 177 178 } 179 180 /** 181 * r100_page_flip_pending - check if page flip is still pending 182 * 183 * @rdev: radeon_device pointer 184 * @crtc_id: crtc to check 185 * 186 * Check if the last pagefilp is still pending (r1xx-r4xx). 187 * Returns the current update pending status. 188 */ 189 bool r100_page_flip_pending(struct radeon_device *rdev, int crtc_id) 190 { 191 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 192 193 /* Return current update_pending status: */ 194 return !!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & 195 RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET); 196 } 197 198 /** 199 * r100_pm_get_dynpm_state - look up dynpm power state callback. 200 * 201 * @rdev: radeon_device pointer 202 * 203 * Look up the optimal power state based on the 204 * current state of the GPU (r1xx-r5xx). 205 * Used for dynpm only. 206 */ 207 void r100_pm_get_dynpm_state(struct radeon_device *rdev) 208 { 209 int i; 210 rdev->pm.dynpm_can_upclock = true; 211 rdev->pm.dynpm_can_downclock = true; 212 213 switch (rdev->pm.dynpm_planned_action) { 214 case DYNPM_ACTION_MINIMUM: 215 rdev->pm.requested_power_state_index = 0; 216 rdev->pm.dynpm_can_downclock = false; 217 break; 218 case DYNPM_ACTION_DOWNCLOCK: 219 if (rdev->pm.current_power_state_index == 0) { 220 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 221 rdev->pm.dynpm_can_downclock = false; 222 } else { 223 if (rdev->pm.active_crtc_count > 1) { 224 for (i = 0; i < rdev->pm.num_power_states; i++) { 225 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 226 continue; 227 else if (i >= rdev->pm.current_power_state_index) { 228 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 229 break; 230 } else { 231 rdev->pm.requested_power_state_index = i; 232 break; 233 } 234 } 235 } else 236 rdev->pm.requested_power_state_index = 237 rdev->pm.current_power_state_index - 1; 238 } 239 /* don't use the power state if crtcs are active and no display flag is set */ 240 if ((rdev->pm.active_crtc_count > 0) && 241 (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags & 242 RADEON_PM_MODE_NO_DISPLAY)) { 243 rdev->pm.requested_power_state_index++; 244 } 245 break; 246 case DYNPM_ACTION_UPCLOCK: 247 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 248 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 249 rdev->pm.dynpm_can_upclock = false; 250 } else { 251 if (rdev->pm.active_crtc_count > 1) { 252 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 253 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 254 continue; 255 else if (i <= rdev->pm.current_power_state_index) { 256 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 257 break; 258 } else { 259 rdev->pm.requested_power_state_index = i; 260 break; 261 } 262 } 263 } else 264 rdev->pm.requested_power_state_index = 265 rdev->pm.current_power_state_index + 1; 266 } 267 break; 268 case DYNPM_ACTION_DEFAULT: 269 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 270 rdev->pm.dynpm_can_upclock = false; 271 break; 272 case DYNPM_ACTION_NONE: 273 default: 274 DRM_ERROR("Requested mode for not defined action\n"); 275 return; 276 } 277 /* only one clock mode per power state */ 278 rdev->pm.requested_clock_mode_index = 0; 279 280 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 281 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 282 clock_info[rdev->pm.requested_clock_mode_index].sclk, 283 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 284 clock_info[rdev->pm.requested_clock_mode_index].mclk, 285 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 286 pcie_lanes); 287 } 288 289 /** 290 * r100_pm_init_profile - Initialize power profiles callback. 291 * 292 * @rdev: radeon_device pointer 293 * 294 * Initialize the power states used in profile mode 295 * (r1xx-r3xx). 296 * Used for profile mode only. 297 */ 298 void r100_pm_init_profile(struct radeon_device *rdev) 299 { 300 /* default */ 301 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 302 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 303 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 304 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 305 /* low sh */ 306 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 307 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 308 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 309 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 310 /* mid sh */ 311 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 312 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 313 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 314 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 315 /* high sh */ 316 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 317 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 318 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 319 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 320 /* low mh */ 321 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 322 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 323 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 324 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 325 /* mid mh */ 326 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 327 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 328 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 329 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 330 /* high mh */ 331 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 332 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 333 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 334 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 335 } 336 337 /** 338 * r100_pm_misc - set additional pm hw parameters callback. 339 * 340 * @rdev: radeon_device pointer 341 * 342 * Set non-clock parameters associated with a power state 343 * (voltage, pcie lanes, etc.) (r1xx-r4xx). 344 */ 345 void r100_pm_misc(struct radeon_device *rdev) 346 { 347 int requested_index = rdev->pm.requested_power_state_index; 348 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; 349 struct radeon_voltage *voltage = &ps->clock_info[0].voltage; 350 u32 tmp, sclk_cntl, sclk_cntl2, sclk_more_cntl; 351 352 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { 353 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { 354 tmp = RREG32(voltage->gpio.reg); 355 if (voltage->active_high) 356 tmp |= voltage->gpio.mask; 357 else 358 tmp &= ~(voltage->gpio.mask); 359 WREG32(voltage->gpio.reg, tmp); 360 if (voltage->delay) 361 udelay(voltage->delay); 362 } else { 363 tmp = RREG32(voltage->gpio.reg); 364 if (voltage->active_high) 365 tmp &= ~voltage->gpio.mask; 366 else 367 tmp |= voltage->gpio.mask; 368 WREG32(voltage->gpio.reg, tmp); 369 if (voltage->delay) 370 udelay(voltage->delay); 371 } 372 } 373 374 sclk_cntl = RREG32_PLL(SCLK_CNTL); 375 sclk_cntl2 = RREG32_PLL(SCLK_CNTL2); 376 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_SEL(3); 377 sclk_more_cntl = RREG32_PLL(SCLK_MORE_CNTL); 378 sclk_more_cntl &= ~VOLTAGE_DELAY_SEL(3); 379 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { 380 sclk_more_cntl |= REDUCED_SPEED_SCLK_EN; 381 if (ps->misc & ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE) 382 sclk_cntl2 |= REDUCED_SPEED_SCLK_MODE; 383 else 384 sclk_cntl2 &= ~REDUCED_SPEED_SCLK_MODE; 385 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) 386 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(0); 387 else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) 388 sclk_cntl2 |= REDUCED_SPEED_SCLK_SEL(2); 389 } else 390 sclk_more_cntl &= ~REDUCED_SPEED_SCLK_EN; 391 392 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { 393 sclk_more_cntl |= IO_CG_VOLTAGE_DROP; 394 if (voltage->delay) { 395 sclk_more_cntl |= VOLTAGE_DROP_SYNC; 396 switch (voltage->delay) { 397 case 33: 398 sclk_more_cntl |= VOLTAGE_DELAY_SEL(0); 399 break; 400 case 66: 401 sclk_more_cntl |= VOLTAGE_DELAY_SEL(1); 402 break; 403 case 99: 404 sclk_more_cntl |= VOLTAGE_DELAY_SEL(2); 405 break; 406 case 132: 407 sclk_more_cntl |= VOLTAGE_DELAY_SEL(3); 408 break; 409 } 410 } else 411 sclk_more_cntl &= ~VOLTAGE_DROP_SYNC; 412 } else 413 sclk_more_cntl &= ~IO_CG_VOLTAGE_DROP; 414 415 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) 416 sclk_cntl &= ~FORCE_HDP; 417 else 418 sclk_cntl |= FORCE_HDP; 419 420 WREG32_PLL(SCLK_CNTL, sclk_cntl); 421 WREG32_PLL(SCLK_CNTL2, sclk_cntl2); 422 WREG32_PLL(SCLK_MORE_CNTL, sclk_more_cntl); 423 424 /* set pcie lanes */ 425 if ((rdev->flags & RADEON_IS_PCIE) && 426 !(rdev->flags & RADEON_IS_IGP) && 427 rdev->asic->pm.set_pcie_lanes && 428 (ps->pcie_lanes != 429 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { 430 radeon_set_pcie_lanes(rdev, 431 ps->pcie_lanes); 432 DRM_DEBUG_DRIVER("Setting: p: %d\n", ps->pcie_lanes); 433 } 434 } 435 436 /** 437 * r100_pm_prepare - pre-power state change callback. 438 * 439 * @rdev: radeon_device pointer 440 * 441 * Prepare for a power state change (r1xx-r4xx). 442 */ 443 void r100_pm_prepare(struct radeon_device *rdev) 444 { 445 struct drm_device *ddev = rdev->ddev; 446 struct drm_crtc *crtc; 447 struct radeon_crtc *radeon_crtc; 448 u32 tmp; 449 450 /* disable any active CRTCs */ 451 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 452 radeon_crtc = to_radeon_crtc(crtc); 453 if (radeon_crtc->enabled) { 454 if (radeon_crtc->crtc_id) { 455 tmp = RREG32(RADEON_CRTC2_GEN_CNTL); 456 tmp |= RADEON_CRTC2_DISP_REQ_EN_B; 457 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 458 } else { 459 tmp = RREG32(RADEON_CRTC_GEN_CNTL); 460 tmp |= RADEON_CRTC_DISP_REQ_EN_B; 461 WREG32(RADEON_CRTC_GEN_CNTL, tmp); 462 } 463 } 464 } 465 } 466 467 /** 468 * r100_pm_finish - post-power state change callback. 469 * 470 * @rdev: radeon_device pointer 471 * 472 * Clean up after a power state change (r1xx-r4xx). 473 */ 474 void r100_pm_finish(struct radeon_device *rdev) 475 { 476 struct drm_device *ddev = rdev->ddev; 477 struct drm_crtc *crtc; 478 struct radeon_crtc *radeon_crtc; 479 u32 tmp; 480 481 /* enable any active CRTCs */ 482 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 483 radeon_crtc = to_radeon_crtc(crtc); 484 if (radeon_crtc->enabled) { 485 if (radeon_crtc->crtc_id) { 486 tmp = RREG32(RADEON_CRTC2_GEN_CNTL); 487 tmp &= ~RADEON_CRTC2_DISP_REQ_EN_B; 488 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 489 } else { 490 tmp = RREG32(RADEON_CRTC_GEN_CNTL); 491 tmp &= ~RADEON_CRTC_DISP_REQ_EN_B; 492 WREG32(RADEON_CRTC_GEN_CNTL, tmp); 493 } 494 } 495 } 496 } 497 498 /** 499 * r100_gui_idle - gui idle callback. 500 * 501 * @rdev: radeon_device pointer 502 * 503 * Check of the GUI (2D/3D engines) are idle (r1xx-r5xx). 504 * Returns true if idle, false if not. 505 */ 506 bool r100_gui_idle(struct radeon_device *rdev) 507 { 508 if (RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE) 509 return false; 510 else 511 return true; 512 } 513 514 /* hpd for digital panel detect/disconnect */ 515 /** 516 * r100_hpd_sense - hpd sense callback. 517 * 518 * @rdev: radeon_device pointer 519 * @hpd: hpd (hotplug detect) pin 520 * 521 * Checks if a digital monitor is connected (r1xx-r4xx). 522 * Returns true if connected, false if not connected. 523 */ 524 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 525 { 526 bool connected = false; 527 528 switch (hpd) { 529 case RADEON_HPD_1: 530 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE) 531 connected = true; 532 break; 533 case RADEON_HPD_2: 534 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE) 535 connected = true; 536 break; 537 default: 538 break; 539 } 540 return connected; 541 } 542 543 /** 544 * r100_hpd_set_polarity - hpd set polarity callback. 545 * 546 * @rdev: radeon_device pointer 547 * @hpd: hpd (hotplug detect) pin 548 * 549 * Set the polarity of the hpd pin (r1xx-r4xx). 550 */ 551 void r100_hpd_set_polarity(struct radeon_device *rdev, 552 enum radeon_hpd_id hpd) 553 { 554 u32 tmp; 555 bool connected = r100_hpd_sense(rdev, hpd); 556 557 switch (hpd) { 558 case RADEON_HPD_1: 559 tmp = RREG32(RADEON_FP_GEN_CNTL); 560 if (connected) 561 tmp &= ~RADEON_FP_DETECT_INT_POL; 562 else 563 tmp |= RADEON_FP_DETECT_INT_POL; 564 WREG32(RADEON_FP_GEN_CNTL, tmp); 565 break; 566 case RADEON_HPD_2: 567 tmp = RREG32(RADEON_FP2_GEN_CNTL); 568 if (connected) 569 tmp &= ~RADEON_FP2_DETECT_INT_POL; 570 else 571 tmp |= RADEON_FP2_DETECT_INT_POL; 572 WREG32(RADEON_FP2_GEN_CNTL, tmp); 573 break; 574 default: 575 break; 576 } 577 } 578 579 /** 580 * r100_hpd_init - hpd setup callback. 581 * 582 * @rdev: radeon_device pointer 583 * 584 * Setup the hpd pins used by the card (r1xx-r4xx). 585 * Set the polarity, and enable the hpd interrupts. 586 */ 587 void r100_hpd_init(struct radeon_device *rdev) 588 { 589 struct drm_device *dev = rdev->ddev; 590 struct drm_connector *connector; 591 unsigned enable = 0; 592 593 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 594 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 595 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 596 enable |= 1 << radeon_connector->hpd.hpd; 597 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 598 } 599 radeon_irq_kms_enable_hpd(rdev, enable); 600 } 601 602 /** 603 * r100_hpd_fini - hpd tear down callback. 604 * 605 * @rdev: radeon_device pointer 606 * 607 * Tear down the hpd pins used by the card (r1xx-r4xx). 608 * Disable the hpd interrupts. 609 */ 610 void r100_hpd_fini(struct radeon_device *rdev) 611 { 612 struct drm_device *dev = rdev->ddev; 613 struct drm_connector *connector; 614 unsigned disable = 0; 615 616 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 617 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 618 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 619 disable |= 1 << radeon_connector->hpd.hpd; 620 } 621 radeon_irq_kms_disable_hpd(rdev, disable); 622 } 623 624 /* 625 * PCI GART 626 */ 627 void r100_pci_gart_tlb_flush(struct radeon_device *rdev) 628 { 629 /* TODO: can we do somethings here ? */ 630 /* It seems hw only cache one entry so we should discard this 631 * entry otherwise if first GPU GART read hit this entry it 632 * could end up in wrong address. */ 633 } 634 635 int r100_pci_gart_init(struct radeon_device *rdev) 636 { 637 int r; 638 639 if (rdev->gart.ptr) { 640 WARN(1, "R100 PCI GART already initialized\n"); 641 return 0; 642 } 643 /* Initialize common gart structure */ 644 r = radeon_gart_init(rdev); 645 if (r) 646 return r; 647 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; 648 rdev->asic->gart.tlb_flush = &r100_pci_gart_tlb_flush; 649 rdev->asic->gart.get_page_entry = &r100_pci_gart_get_page_entry; 650 rdev->asic->gart.set_page = &r100_pci_gart_set_page; 651 return radeon_gart_table_ram_alloc(rdev); 652 } 653 654 int r100_pci_gart_enable(struct radeon_device *rdev) 655 { 656 uint32_t tmp; 657 658 /* discard memory request outside of configured range */ 659 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; 660 WREG32(RADEON_AIC_CNTL, tmp); 661 /* set address range for PCI address translate */ 662 WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start); 663 WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end); 664 /* set PCI GART page-table base address */ 665 WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr); 666 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN; 667 WREG32(RADEON_AIC_CNTL, tmp); 668 r100_pci_gart_tlb_flush(rdev); 669 DRM_INFO("PCI GART of %uM enabled (table at 0x%016llX).\n", 670 (unsigned)(rdev->mc.gtt_size >> 20), 671 (unsigned long long)rdev->gart.table_addr); 672 rdev->gart.ready = true; 673 return 0; 674 } 675 676 void r100_pci_gart_disable(struct radeon_device *rdev) 677 { 678 uint32_t tmp; 679 680 /* discard memory request outside of configured range */ 681 tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; 682 WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN); 683 WREG32(RADEON_AIC_LO_ADDR, 0); 684 WREG32(RADEON_AIC_HI_ADDR, 0); 685 } 686 687 uint64_t r100_pci_gart_get_page_entry(uint64_t addr, uint32_t flags) 688 { 689 return addr; 690 } 691 692 void r100_pci_gart_set_page(struct radeon_device *rdev, unsigned i, 693 uint64_t entry) 694 { 695 u32 *gtt = rdev->gart.ptr; 696 gtt[i] = cpu_to_le32(lower_32_bits(entry)); 697 } 698 699 void r100_pci_gart_fini(struct radeon_device *rdev) 700 { 701 radeon_gart_fini(rdev); 702 r100_pci_gart_disable(rdev); 703 radeon_gart_table_ram_free(rdev); 704 } 705 706 int r100_irq_set(struct radeon_device *rdev) 707 { 708 uint32_t tmp = 0; 709 710 if (!rdev->irq.installed) { 711 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 712 WREG32(R_000040_GEN_INT_CNTL, 0); 713 return -EINVAL; 714 } 715 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 716 tmp |= RADEON_SW_INT_ENABLE; 717 } 718 if (rdev->irq.crtc_vblank_int[0] || 719 atomic_read(&rdev->irq.pflip[0])) { 720 tmp |= RADEON_CRTC_VBLANK_MASK; 721 } 722 if (rdev->irq.crtc_vblank_int[1] || 723 atomic_read(&rdev->irq.pflip[1])) { 724 tmp |= RADEON_CRTC2_VBLANK_MASK; 725 } 726 if (rdev->irq.hpd[0]) { 727 tmp |= RADEON_FP_DETECT_MASK; 728 } 729 if (rdev->irq.hpd[1]) { 730 tmp |= RADEON_FP2_DETECT_MASK; 731 } 732 WREG32(RADEON_GEN_INT_CNTL, tmp); 733 734 /* read back to post the write */ 735 RREG32(RADEON_GEN_INT_CNTL); 736 737 return 0; 738 } 739 740 void r100_irq_disable(struct radeon_device *rdev) 741 { 742 u32 tmp; 743 744 WREG32(R_000040_GEN_INT_CNTL, 0); 745 /* Wait and acknowledge irq */ 746 mdelay(1); 747 tmp = RREG32(R_000044_GEN_INT_STATUS); 748 WREG32(R_000044_GEN_INT_STATUS, tmp); 749 } 750 751 static uint32_t r100_irq_ack(struct radeon_device *rdev) 752 { 753 uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS); 754 uint32_t irq_mask = RADEON_SW_INT_TEST | 755 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT | 756 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT; 757 758 if (irqs) { 759 WREG32(RADEON_GEN_INT_STATUS, irqs); 760 } 761 return irqs & irq_mask; 762 } 763 764 int r100_irq_process(struct radeon_device *rdev) 765 { 766 uint32_t status, msi_rearm; 767 bool queue_hotplug = false; 768 769 status = r100_irq_ack(rdev); 770 if (!status) { 771 return IRQ_NONE; 772 } 773 if (rdev->shutdown) { 774 return IRQ_NONE; 775 } 776 while (status) { 777 /* SW interrupt */ 778 if (status & RADEON_SW_INT_TEST) { 779 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 780 } 781 /* Vertical blank interrupts */ 782 if (status & RADEON_CRTC_VBLANK_STAT) { 783 if (rdev->irq.crtc_vblank_int[0]) { 784 drm_handle_vblank(rdev->ddev, 0); 785 rdev->pm.vblank_sync = true; 786 wake_up(&rdev->irq.vblank_queue); 787 } 788 if (atomic_read(&rdev->irq.pflip[0])) 789 radeon_crtc_handle_vblank(rdev, 0); 790 } 791 if (status & RADEON_CRTC2_VBLANK_STAT) { 792 if (rdev->irq.crtc_vblank_int[1]) { 793 drm_handle_vblank(rdev->ddev, 1); 794 rdev->pm.vblank_sync = true; 795 wake_up(&rdev->irq.vblank_queue); 796 } 797 if (atomic_read(&rdev->irq.pflip[1])) 798 radeon_crtc_handle_vblank(rdev, 1); 799 } 800 if (status & RADEON_FP_DETECT_STAT) { 801 queue_hotplug = true; 802 DRM_DEBUG("HPD1\n"); 803 } 804 if (status & RADEON_FP2_DETECT_STAT) { 805 queue_hotplug = true; 806 DRM_DEBUG("HPD2\n"); 807 } 808 status = r100_irq_ack(rdev); 809 } 810 if (queue_hotplug) 811 schedule_delayed_work(&rdev->hotplug_work, 0); 812 if (rdev->msi_enabled) { 813 switch (rdev->family) { 814 case CHIP_RS400: 815 case CHIP_RS480: 816 msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM; 817 WREG32(RADEON_AIC_CNTL, msi_rearm); 818 WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM); 819 break; 820 default: 821 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); 822 break; 823 } 824 } 825 return IRQ_HANDLED; 826 } 827 828 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc) 829 { 830 if (crtc == 0) 831 return RREG32(RADEON_CRTC_CRNT_FRAME); 832 else 833 return RREG32(RADEON_CRTC2_CRNT_FRAME); 834 } 835 836 /** 837 * r100_ring_hdp_flush - flush Host Data Path via the ring buffer 838 * rdev: radeon device structure 839 * ring: ring buffer struct for emitting packets 840 */ 841 static void r100_ring_hdp_flush(struct radeon_device *rdev, struct radeon_ring *ring) 842 { 843 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 844 radeon_ring_write(ring, rdev->config.r100.hdp_cntl | 845 RADEON_HDP_READ_BUFFER_INVALIDATE); 846 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 847 radeon_ring_write(ring, rdev->config.r100.hdp_cntl); 848 } 849 850 /* Who ever call radeon_fence_emit should call ring_lock and ask 851 * for enough space (today caller are ib schedule and buffer move) */ 852 void r100_fence_ring_emit(struct radeon_device *rdev, 853 struct radeon_fence *fence) 854 { 855 struct radeon_ring *ring = &rdev->ring[fence->ring]; 856 857 /* We have to make sure that caches are flushed before 858 * CPU might read something from VRAM. */ 859 radeon_ring_write(ring, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0)); 860 radeon_ring_write(ring, RADEON_RB3D_DC_FLUSH_ALL); 861 radeon_ring_write(ring, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0)); 862 radeon_ring_write(ring, RADEON_RB3D_ZC_FLUSH_ALL); 863 /* Wait until IDLE & CLEAN */ 864 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 865 radeon_ring_write(ring, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN); 866 r100_ring_hdp_flush(rdev, ring); 867 /* Emit fence sequence & fire IRQ */ 868 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0)); 869 radeon_ring_write(ring, fence->seq); 870 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0)); 871 radeon_ring_write(ring, RADEON_SW_INT_FIRE); 872 } 873 874 bool r100_semaphore_ring_emit(struct radeon_device *rdev, 875 struct radeon_ring *ring, 876 struct radeon_semaphore *semaphore, 877 bool emit_wait) 878 { 879 /* Unused on older asics, since we don't have semaphores or multiple rings */ 880 BUG(); 881 return false; 882 } 883 884 struct radeon_fence *r100_copy_blit(struct radeon_device *rdev, 885 uint64_t src_offset, 886 uint64_t dst_offset, 887 unsigned num_gpu_pages, 888 struct reservation_object *resv) 889 { 890 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 891 struct radeon_fence *fence; 892 uint32_t cur_pages; 893 uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE; 894 uint32_t pitch; 895 uint32_t stride_pixels; 896 unsigned ndw; 897 int num_loops; 898 int r = 0; 899 900 /* radeon limited to 16k stride */ 901 stride_bytes &= 0x3fff; 902 /* radeon pitch is /64 */ 903 pitch = stride_bytes / 64; 904 stride_pixels = stride_bytes / 4; 905 num_loops = DIV_ROUND_UP(num_gpu_pages, 8191); 906 907 /* Ask for enough room for blit + flush + fence */ 908 ndw = 64 + (10 * num_loops); 909 r = radeon_ring_lock(rdev, ring, ndw); 910 if (r) { 911 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw); 912 return ERR_PTR(-EINVAL); 913 } 914 while (num_gpu_pages > 0) { 915 cur_pages = num_gpu_pages; 916 if (cur_pages > 8191) { 917 cur_pages = 8191; 918 } 919 num_gpu_pages -= cur_pages; 920 921 /* pages are in Y direction - height 922 page width in X direction - width */ 923 radeon_ring_write(ring, PACKET3(PACKET3_BITBLT_MULTI, 8)); 924 radeon_ring_write(ring, 925 RADEON_GMC_SRC_PITCH_OFFSET_CNTL | 926 RADEON_GMC_DST_PITCH_OFFSET_CNTL | 927 RADEON_GMC_SRC_CLIPPING | 928 RADEON_GMC_DST_CLIPPING | 929 RADEON_GMC_BRUSH_NONE | 930 (RADEON_COLOR_FORMAT_ARGB8888 << 8) | 931 RADEON_GMC_SRC_DATATYPE_COLOR | 932 RADEON_ROP3_S | 933 RADEON_DP_SRC_SOURCE_MEMORY | 934 RADEON_GMC_CLR_CMP_CNTL_DIS | 935 RADEON_GMC_WR_MSK_DIS); 936 radeon_ring_write(ring, (pitch << 22) | (src_offset >> 10)); 937 radeon_ring_write(ring, (pitch << 22) | (dst_offset >> 10)); 938 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16)); 939 radeon_ring_write(ring, 0); 940 radeon_ring_write(ring, (0x1fff) | (0x1fff << 16)); 941 radeon_ring_write(ring, num_gpu_pages); 942 radeon_ring_write(ring, num_gpu_pages); 943 radeon_ring_write(ring, cur_pages | (stride_pixels << 16)); 944 } 945 radeon_ring_write(ring, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0)); 946 radeon_ring_write(ring, RADEON_RB2D_DC_FLUSH_ALL); 947 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 948 radeon_ring_write(ring, 949 RADEON_WAIT_2D_IDLECLEAN | 950 RADEON_WAIT_HOST_IDLECLEAN | 951 RADEON_WAIT_DMA_GUI_IDLE); 952 r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX); 953 if (r) { 954 radeon_ring_unlock_undo(rdev, ring); 955 return ERR_PTR(r); 956 } 957 radeon_ring_unlock_commit(rdev, ring, false); 958 return fence; 959 } 960 961 static int r100_cp_wait_for_idle(struct radeon_device *rdev) 962 { 963 unsigned i; 964 u32 tmp; 965 966 for (i = 0; i < rdev->usec_timeout; i++) { 967 tmp = RREG32(R_000E40_RBBM_STATUS); 968 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) { 969 return 0; 970 } 971 udelay(1); 972 } 973 return -1; 974 } 975 976 void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring) 977 { 978 int r; 979 980 r = radeon_ring_lock(rdev, ring, 2); 981 if (r) { 982 return; 983 } 984 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0)); 985 radeon_ring_write(ring, 986 RADEON_ISYNC_ANY2D_IDLE3D | 987 RADEON_ISYNC_ANY3D_IDLE2D | 988 RADEON_ISYNC_WAIT_IDLEGUI | 989 RADEON_ISYNC_CPSCRATCH_IDLEGUI); 990 radeon_ring_unlock_commit(rdev, ring, false); 991 } 992 993 994 /* Load the microcode for the CP */ 995 static int r100_cp_init_microcode(struct radeon_device *rdev) 996 { 997 const char *fw_name = NULL; 998 int err; 999 1000 DRM_DEBUG_KMS("\n"); 1001 1002 if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || 1003 (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || 1004 (rdev->family == CHIP_RS200)) { 1005 DRM_INFO("Loading R100 Microcode\n"); 1006 fw_name = FIRMWARE_R100; 1007 } else if ((rdev->family == CHIP_R200) || 1008 (rdev->family == CHIP_RV250) || 1009 (rdev->family == CHIP_RV280) || 1010 (rdev->family == CHIP_RS300)) { 1011 DRM_INFO("Loading R200 Microcode\n"); 1012 fw_name = FIRMWARE_R200; 1013 } else if ((rdev->family == CHIP_R300) || 1014 (rdev->family == CHIP_R350) || 1015 (rdev->family == CHIP_RV350) || 1016 (rdev->family == CHIP_RV380) || 1017 (rdev->family == CHIP_RS400) || 1018 (rdev->family == CHIP_RS480)) { 1019 DRM_INFO("Loading R300 Microcode\n"); 1020 fw_name = FIRMWARE_R300; 1021 } else if ((rdev->family == CHIP_R420) || 1022 (rdev->family == CHIP_R423) || 1023 (rdev->family == CHIP_RV410)) { 1024 DRM_INFO("Loading R400 Microcode\n"); 1025 fw_name = FIRMWARE_R420; 1026 } else if ((rdev->family == CHIP_RS690) || 1027 (rdev->family == CHIP_RS740)) { 1028 DRM_INFO("Loading RS690/RS740 Microcode\n"); 1029 fw_name = FIRMWARE_RS690; 1030 } else if (rdev->family == CHIP_RS600) { 1031 DRM_INFO("Loading RS600 Microcode\n"); 1032 fw_name = FIRMWARE_RS600; 1033 } else if ((rdev->family == CHIP_RV515) || 1034 (rdev->family == CHIP_R520) || 1035 (rdev->family == CHIP_RV530) || 1036 (rdev->family == CHIP_R580) || 1037 (rdev->family == CHIP_RV560) || 1038 (rdev->family == CHIP_RV570)) { 1039 DRM_INFO("Loading R500 Microcode\n"); 1040 fw_name = FIRMWARE_R520; 1041 } 1042 1043 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 1044 if (err) { 1045 pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name); 1046 } else if (rdev->me_fw->size % 8) { 1047 pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n", 1048 rdev->me_fw->size, fw_name); 1049 err = -EINVAL; 1050 release_firmware(rdev->me_fw); 1051 rdev->me_fw = NULL; 1052 } 1053 return err; 1054 } 1055 1056 u32 r100_gfx_get_rptr(struct radeon_device *rdev, 1057 struct radeon_ring *ring) 1058 { 1059 u32 rptr; 1060 1061 if (rdev->wb.enabled) 1062 rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]); 1063 else 1064 rptr = RREG32(RADEON_CP_RB_RPTR); 1065 1066 return rptr; 1067 } 1068 1069 u32 r100_gfx_get_wptr(struct radeon_device *rdev, 1070 struct radeon_ring *ring) 1071 { 1072 return RREG32(RADEON_CP_RB_WPTR); 1073 } 1074 1075 void r100_gfx_set_wptr(struct radeon_device *rdev, 1076 struct radeon_ring *ring) 1077 { 1078 WREG32(RADEON_CP_RB_WPTR, ring->wptr); 1079 (void)RREG32(RADEON_CP_RB_WPTR); 1080 } 1081 1082 static void r100_cp_load_microcode(struct radeon_device *rdev) 1083 { 1084 const __be32 *fw_data; 1085 int i, size; 1086 1087 if (r100_gui_wait_for_idle(rdev)) { 1088 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n"); 1089 } 1090 1091 if (rdev->me_fw) { 1092 size = rdev->me_fw->size / 4; 1093 fw_data = (const __be32 *)&rdev->me_fw->data[0]; 1094 WREG32(RADEON_CP_ME_RAM_ADDR, 0); 1095 for (i = 0; i < size; i += 2) { 1096 WREG32(RADEON_CP_ME_RAM_DATAH, 1097 be32_to_cpup(&fw_data[i])); 1098 WREG32(RADEON_CP_ME_RAM_DATAL, 1099 be32_to_cpup(&fw_data[i + 1])); 1100 } 1101 } 1102 } 1103 1104 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) 1105 { 1106 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 1107 unsigned rb_bufsz; 1108 unsigned rb_blksz; 1109 unsigned max_fetch; 1110 unsigned pre_write_timer; 1111 unsigned pre_write_limit; 1112 unsigned indirect2_start; 1113 unsigned indirect1_start; 1114 uint32_t tmp; 1115 int r; 1116 1117 if (r100_debugfs_cp_init(rdev)) { 1118 DRM_ERROR("Failed to register debugfs file for CP !\n"); 1119 } 1120 if (!rdev->me_fw) { 1121 r = r100_cp_init_microcode(rdev); 1122 if (r) { 1123 DRM_ERROR("Failed to load firmware!\n"); 1124 return r; 1125 } 1126 } 1127 1128 /* Align ring size */ 1129 rb_bufsz = order_base_2(ring_size / 8); 1130 ring_size = (1 << (rb_bufsz + 1)) * 4; 1131 r100_cp_load_microcode(rdev); 1132 r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET, 1133 RADEON_CP_PACKET2); 1134 if (r) { 1135 return r; 1136 } 1137 /* Each time the cp read 1024 bytes (16 dword/quadword) update 1138 * the rptr copy in system ram */ 1139 rb_blksz = 9; 1140 /* cp will read 128bytes at a time (4 dwords) */ 1141 max_fetch = 1; 1142 ring->align_mask = 16 - 1; 1143 /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */ 1144 pre_write_timer = 64; 1145 /* Force CP_RB_WPTR write if written more than one time before the 1146 * delay expire 1147 */ 1148 pre_write_limit = 0; 1149 /* Setup the cp cache like this (cache size is 96 dwords) : 1150 * RING 0 to 15 1151 * INDIRECT1 16 to 79 1152 * INDIRECT2 80 to 95 1153 * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) 1154 * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords)) 1155 * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) 1156 * Idea being that most of the gpu cmd will be through indirect1 buffer 1157 * so it gets the bigger cache. 1158 */ 1159 indirect2_start = 80; 1160 indirect1_start = 16; 1161 /* cp setup */ 1162 WREG32(0x718, pre_write_timer | (pre_write_limit << 28)); 1163 tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) | 1164 REG_SET(RADEON_RB_BLKSZ, rb_blksz) | 1165 REG_SET(RADEON_MAX_FETCH, max_fetch)); 1166 #ifdef __BIG_ENDIAN 1167 tmp |= RADEON_BUF_SWAP_32BIT; 1168 #endif 1169 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE); 1170 1171 /* Set ring address */ 1172 DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)ring->gpu_addr); 1173 WREG32(RADEON_CP_RB_BASE, ring->gpu_addr); 1174 /* Force read & write ptr to 0 */ 1175 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE); 1176 WREG32(RADEON_CP_RB_RPTR_WR, 0); 1177 ring->wptr = 0; 1178 WREG32(RADEON_CP_RB_WPTR, ring->wptr); 1179 1180 /* set the wb address whether it's enabled or not */ 1181 WREG32(R_00070C_CP_RB_RPTR_ADDR, 1182 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) >> 2)); 1183 WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET); 1184 1185 if (rdev->wb.enabled) 1186 WREG32(R_000770_SCRATCH_UMSK, 0xff); 1187 else { 1188 tmp |= RADEON_RB_NO_UPDATE; 1189 WREG32(R_000770_SCRATCH_UMSK, 0); 1190 } 1191 1192 WREG32(RADEON_CP_RB_CNTL, tmp); 1193 udelay(10); 1194 /* Set cp mode to bus mastering & enable cp*/ 1195 WREG32(RADEON_CP_CSQ_MODE, 1196 REG_SET(RADEON_INDIRECT2_START, indirect2_start) | 1197 REG_SET(RADEON_INDIRECT1_START, indirect1_start)); 1198 WREG32(RADEON_CP_RB_WPTR_DELAY, 0); 1199 WREG32(RADEON_CP_CSQ_MODE, 0x00004D4D); 1200 WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM); 1201 1202 /* at this point everything should be setup correctly to enable master */ 1203 pci_set_master(rdev->pdev); 1204 1205 radeon_ring_start(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1206 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 1207 if (r) { 1208 DRM_ERROR("radeon: cp isn't working (%d).\n", r); 1209 return r; 1210 } 1211 ring->ready = true; 1212 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 1213 1214 if (!ring->rptr_save_reg /* not resuming from suspend */ 1215 && radeon_ring_supports_scratch_reg(rdev, ring)) { 1216 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 1217 if (r) { 1218 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 1219 ring->rptr_save_reg = 0; 1220 } 1221 } 1222 return 0; 1223 } 1224 1225 void r100_cp_fini(struct radeon_device *rdev) 1226 { 1227 if (r100_cp_wait_for_idle(rdev)) { 1228 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n"); 1229 } 1230 /* Disable ring */ 1231 r100_cp_disable(rdev); 1232 radeon_scratch_free(rdev, rdev->ring[RADEON_RING_TYPE_GFX_INDEX].rptr_save_reg); 1233 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 1234 DRM_INFO("radeon: cp finalized\n"); 1235 } 1236 1237 void r100_cp_disable(struct radeon_device *rdev) 1238 { 1239 /* Disable ring */ 1240 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1241 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 1242 WREG32(RADEON_CP_CSQ_MODE, 0); 1243 WREG32(RADEON_CP_CSQ_CNTL, 0); 1244 WREG32(R_000770_SCRATCH_UMSK, 0); 1245 if (r100_gui_wait_for_idle(rdev)) { 1246 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n"); 1247 } 1248 } 1249 1250 /* 1251 * CS functions 1252 */ 1253 int r100_reloc_pitch_offset(struct radeon_cs_parser *p, 1254 struct radeon_cs_packet *pkt, 1255 unsigned idx, 1256 unsigned reg) 1257 { 1258 int r; 1259 u32 tile_flags = 0; 1260 u32 tmp; 1261 struct radeon_bo_list *reloc; 1262 u32 value; 1263 1264 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1265 if (r) { 1266 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1267 idx, reg); 1268 radeon_cs_dump_packet(p, pkt); 1269 return r; 1270 } 1271 1272 value = radeon_get_ib_value(p, idx); 1273 tmp = value & 0x003fffff; 1274 tmp += (((u32)reloc->gpu_offset) >> 10); 1275 1276 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1277 if (reloc->tiling_flags & RADEON_TILING_MACRO) 1278 tile_flags |= RADEON_DST_TILE_MACRO; 1279 if (reloc->tiling_flags & RADEON_TILING_MICRO) { 1280 if (reg == RADEON_SRC_PITCH_OFFSET) { 1281 DRM_ERROR("Cannot src blit from microtiled surface\n"); 1282 radeon_cs_dump_packet(p, pkt); 1283 return -EINVAL; 1284 } 1285 tile_flags |= RADEON_DST_TILE_MICRO; 1286 } 1287 1288 tmp |= tile_flags; 1289 p->ib.ptr[idx] = (value & 0x3fc00000) | tmp; 1290 } else 1291 p->ib.ptr[idx] = (value & 0xffc00000) | tmp; 1292 return 0; 1293 } 1294 1295 int r100_packet3_load_vbpntr(struct radeon_cs_parser *p, 1296 struct radeon_cs_packet *pkt, 1297 int idx) 1298 { 1299 unsigned c, i; 1300 struct radeon_bo_list *reloc; 1301 struct r100_cs_track *track; 1302 int r = 0; 1303 volatile uint32_t *ib; 1304 u32 idx_value; 1305 1306 ib = p->ib.ptr; 1307 track = (struct r100_cs_track *)p->track; 1308 c = radeon_get_ib_value(p, idx++) & 0x1F; 1309 if (c > 16) { 1310 DRM_ERROR("Only 16 vertex buffers are allowed %d\n", 1311 pkt->opcode); 1312 radeon_cs_dump_packet(p, pkt); 1313 return -EINVAL; 1314 } 1315 track->num_arrays = c; 1316 for (i = 0; i < (c - 1); i+=2, idx+=3) { 1317 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1318 if (r) { 1319 DRM_ERROR("No reloc for packet3 %d\n", 1320 pkt->opcode); 1321 radeon_cs_dump_packet(p, pkt); 1322 return r; 1323 } 1324 idx_value = radeon_get_ib_value(p, idx); 1325 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset); 1326 1327 track->arrays[i + 0].esize = idx_value >> 8; 1328 track->arrays[i + 0].robj = reloc->robj; 1329 track->arrays[i + 0].esize &= 0x7F; 1330 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1331 if (r) { 1332 DRM_ERROR("No reloc for packet3 %d\n", 1333 pkt->opcode); 1334 radeon_cs_dump_packet(p, pkt); 1335 return r; 1336 } 1337 ib[idx+2] = radeon_get_ib_value(p, idx + 2) + ((u32)reloc->gpu_offset); 1338 track->arrays[i + 1].robj = reloc->robj; 1339 track->arrays[i + 1].esize = idx_value >> 24; 1340 track->arrays[i + 1].esize &= 0x7F; 1341 } 1342 if (c & 1) { 1343 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1344 if (r) { 1345 DRM_ERROR("No reloc for packet3 %d\n", 1346 pkt->opcode); 1347 radeon_cs_dump_packet(p, pkt); 1348 return r; 1349 } 1350 idx_value = radeon_get_ib_value(p, idx); 1351 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset); 1352 track->arrays[i + 0].robj = reloc->robj; 1353 track->arrays[i + 0].esize = idx_value >> 8; 1354 track->arrays[i + 0].esize &= 0x7F; 1355 } 1356 return r; 1357 } 1358 1359 int r100_cs_parse_packet0(struct radeon_cs_parser *p, 1360 struct radeon_cs_packet *pkt, 1361 const unsigned *auth, unsigned n, 1362 radeon_packet0_check_t check) 1363 { 1364 unsigned reg; 1365 unsigned i, j, m; 1366 unsigned idx; 1367 int r; 1368 1369 idx = pkt->idx + 1; 1370 reg = pkt->reg; 1371 /* Check that register fall into register range 1372 * determined by the number of entry (n) in the 1373 * safe register bitmap. 1374 */ 1375 if (pkt->one_reg_wr) { 1376 if ((reg >> 7) > n) { 1377 return -EINVAL; 1378 } 1379 } else { 1380 if (((reg + (pkt->count << 2)) >> 7) > n) { 1381 return -EINVAL; 1382 } 1383 } 1384 for (i = 0; i <= pkt->count; i++, idx++) { 1385 j = (reg >> 7); 1386 m = 1 << ((reg >> 2) & 31); 1387 if (auth[j] & m) { 1388 r = check(p, pkt, idx, reg); 1389 if (r) { 1390 return r; 1391 } 1392 } 1393 if (pkt->one_reg_wr) { 1394 if (!(auth[j] & m)) { 1395 break; 1396 } 1397 } else { 1398 reg += 4; 1399 } 1400 } 1401 return 0; 1402 } 1403 1404 /** 1405 * r100_cs_packet_next_vline() - parse userspace VLINE packet 1406 * @parser: parser structure holding parsing context. 1407 * 1408 * Userspace sends a special sequence for VLINE waits. 1409 * PACKET0 - VLINE_START_END + value 1410 * PACKET0 - WAIT_UNTIL +_value 1411 * RELOC (P3) - crtc_id in reloc. 1412 * 1413 * This function parses this and relocates the VLINE START END 1414 * and WAIT UNTIL packets to the correct crtc. 1415 * It also detects a switched off crtc and nulls out the 1416 * wait in that case. 1417 */ 1418 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) 1419 { 1420 struct drm_crtc *crtc; 1421 struct radeon_crtc *radeon_crtc; 1422 struct radeon_cs_packet p3reloc, waitreloc; 1423 int crtc_id; 1424 int r; 1425 uint32_t header, h_idx, reg; 1426 volatile uint32_t *ib; 1427 1428 ib = p->ib.ptr; 1429 1430 /* parse the wait until */ 1431 r = radeon_cs_packet_parse(p, &waitreloc, p->idx); 1432 if (r) 1433 return r; 1434 1435 /* check its a wait until and only 1 count */ 1436 if (waitreloc.reg != RADEON_WAIT_UNTIL || 1437 waitreloc.count != 0) { 1438 DRM_ERROR("vline wait had illegal wait until segment\n"); 1439 return -EINVAL; 1440 } 1441 1442 if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) { 1443 DRM_ERROR("vline wait had illegal wait until\n"); 1444 return -EINVAL; 1445 } 1446 1447 /* jump over the NOP */ 1448 r = radeon_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2); 1449 if (r) 1450 return r; 1451 1452 h_idx = p->idx - 2; 1453 p->idx += waitreloc.count + 2; 1454 p->idx += p3reloc.count + 2; 1455 1456 header = radeon_get_ib_value(p, h_idx); 1457 crtc_id = radeon_get_ib_value(p, h_idx + 5); 1458 reg = R100_CP_PACKET0_GET_REG(header); 1459 crtc = drm_crtc_find(p->rdev->ddev, crtc_id); 1460 if (!crtc) { 1461 DRM_ERROR("cannot find crtc %d\n", crtc_id); 1462 return -ENOENT; 1463 } 1464 radeon_crtc = to_radeon_crtc(crtc); 1465 crtc_id = radeon_crtc->crtc_id; 1466 1467 if (!crtc->enabled) { 1468 /* if the CRTC isn't enabled - we need to nop out the wait until */ 1469 ib[h_idx + 2] = PACKET2(0); 1470 ib[h_idx + 3] = PACKET2(0); 1471 } else if (crtc_id == 1) { 1472 switch (reg) { 1473 case AVIVO_D1MODE_VLINE_START_END: 1474 header &= ~R300_CP_PACKET0_REG_MASK; 1475 header |= AVIVO_D2MODE_VLINE_START_END >> 2; 1476 break; 1477 case RADEON_CRTC_GUI_TRIG_VLINE: 1478 header &= ~R300_CP_PACKET0_REG_MASK; 1479 header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2; 1480 break; 1481 default: 1482 DRM_ERROR("unknown crtc reloc\n"); 1483 return -EINVAL; 1484 } 1485 ib[h_idx] = header; 1486 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1; 1487 } 1488 1489 return 0; 1490 } 1491 1492 static int r100_get_vtx_size(uint32_t vtx_fmt) 1493 { 1494 int vtx_size; 1495 vtx_size = 2; 1496 /* ordered according to bits in spec */ 1497 if (vtx_fmt & RADEON_SE_VTX_FMT_W0) 1498 vtx_size++; 1499 if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR) 1500 vtx_size += 3; 1501 if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA) 1502 vtx_size++; 1503 if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR) 1504 vtx_size++; 1505 if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC) 1506 vtx_size += 3; 1507 if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG) 1508 vtx_size++; 1509 if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC) 1510 vtx_size++; 1511 if (vtx_fmt & RADEON_SE_VTX_FMT_ST0) 1512 vtx_size += 2; 1513 if (vtx_fmt & RADEON_SE_VTX_FMT_ST1) 1514 vtx_size += 2; 1515 if (vtx_fmt & RADEON_SE_VTX_FMT_Q1) 1516 vtx_size++; 1517 if (vtx_fmt & RADEON_SE_VTX_FMT_ST2) 1518 vtx_size += 2; 1519 if (vtx_fmt & RADEON_SE_VTX_FMT_Q2) 1520 vtx_size++; 1521 if (vtx_fmt & RADEON_SE_VTX_FMT_ST3) 1522 vtx_size += 2; 1523 if (vtx_fmt & RADEON_SE_VTX_FMT_Q3) 1524 vtx_size++; 1525 if (vtx_fmt & RADEON_SE_VTX_FMT_Q0) 1526 vtx_size++; 1527 /* blend weight */ 1528 if (vtx_fmt & (0x7 << 15)) 1529 vtx_size += (vtx_fmt >> 15) & 0x7; 1530 if (vtx_fmt & RADEON_SE_VTX_FMT_N0) 1531 vtx_size += 3; 1532 if (vtx_fmt & RADEON_SE_VTX_FMT_XY1) 1533 vtx_size += 2; 1534 if (vtx_fmt & RADEON_SE_VTX_FMT_Z1) 1535 vtx_size++; 1536 if (vtx_fmt & RADEON_SE_VTX_FMT_W1) 1537 vtx_size++; 1538 if (vtx_fmt & RADEON_SE_VTX_FMT_N1) 1539 vtx_size++; 1540 if (vtx_fmt & RADEON_SE_VTX_FMT_Z) 1541 vtx_size++; 1542 return vtx_size; 1543 } 1544 1545 static int r100_packet0_check(struct radeon_cs_parser *p, 1546 struct radeon_cs_packet *pkt, 1547 unsigned idx, unsigned reg) 1548 { 1549 struct radeon_bo_list *reloc; 1550 struct r100_cs_track *track; 1551 volatile uint32_t *ib; 1552 uint32_t tmp; 1553 int r; 1554 int i, face; 1555 u32 tile_flags = 0; 1556 u32 idx_value; 1557 1558 ib = p->ib.ptr; 1559 track = (struct r100_cs_track *)p->track; 1560 1561 idx_value = radeon_get_ib_value(p, idx); 1562 1563 switch (reg) { 1564 case RADEON_CRTC_GUI_TRIG_VLINE: 1565 r = r100_cs_packet_parse_vline(p); 1566 if (r) { 1567 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1568 idx, reg); 1569 radeon_cs_dump_packet(p, pkt); 1570 return r; 1571 } 1572 break; 1573 /* FIXME: only allow PACKET3 blit? easier to check for out of 1574 * range access */ 1575 case RADEON_DST_PITCH_OFFSET: 1576 case RADEON_SRC_PITCH_OFFSET: 1577 r = r100_reloc_pitch_offset(p, pkt, idx, reg); 1578 if (r) 1579 return r; 1580 break; 1581 case RADEON_RB3D_DEPTHOFFSET: 1582 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1583 if (r) { 1584 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1585 idx, reg); 1586 radeon_cs_dump_packet(p, pkt); 1587 return r; 1588 } 1589 track->zb.robj = reloc->robj; 1590 track->zb.offset = idx_value; 1591 track->zb_dirty = true; 1592 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1593 break; 1594 case RADEON_RB3D_COLOROFFSET: 1595 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1596 if (r) { 1597 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1598 idx, reg); 1599 radeon_cs_dump_packet(p, pkt); 1600 return r; 1601 } 1602 track->cb[0].robj = reloc->robj; 1603 track->cb[0].offset = idx_value; 1604 track->cb_dirty = true; 1605 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1606 break; 1607 case RADEON_PP_TXOFFSET_0: 1608 case RADEON_PP_TXOFFSET_1: 1609 case RADEON_PP_TXOFFSET_2: 1610 i = (reg - RADEON_PP_TXOFFSET_0) / 24; 1611 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1612 if (r) { 1613 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1614 idx, reg); 1615 radeon_cs_dump_packet(p, pkt); 1616 return r; 1617 } 1618 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1619 if (reloc->tiling_flags & RADEON_TILING_MACRO) 1620 tile_flags |= RADEON_TXO_MACRO_TILE; 1621 if (reloc->tiling_flags & RADEON_TILING_MICRO) 1622 tile_flags |= RADEON_TXO_MICRO_TILE_X2; 1623 1624 tmp = idx_value & ~(0x7 << 2); 1625 tmp |= tile_flags; 1626 ib[idx] = tmp + ((u32)reloc->gpu_offset); 1627 } else 1628 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1629 track->textures[i].robj = reloc->robj; 1630 track->tex_dirty = true; 1631 break; 1632 case RADEON_PP_CUBIC_OFFSET_T0_0: 1633 case RADEON_PP_CUBIC_OFFSET_T0_1: 1634 case RADEON_PP_CUBIC_OFFSET_T0_2: 1635 case RADEON_PP_CUBIC_OFFSET_T0_3: 1636 case RADEON_PP_CUBIC_OFFSET_T0_4: 1637 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4; 1638 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1639 if (r) { 1640 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1641 idx, reg); 1642 radeon_cs_dump_packet(p, pkt); 1643 return r; 1644 } 1645 track->textures[0].cube_info[i].offset = idx_value; 1646 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1647 track->textures[0].cube_info[i].robj = reloc->robj; 1648 track->tex_dirty = true; 1649 break; 1650 case RADEON_PP_CUBIC_OFFSET_T1_0: 1651 case RADEON_PP_CUBIC_OFFSET_T1_1: 1652 case RADEON_PP_CUBIC_OFFSET_T1_2: 1653 case RADEON_PP_CUBIC_OFFSET_T1_3: 1654 case RADEON_PP_CUBIC_OFFSET_T1_4: 1655 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4; 1656 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1657 if (r) { 1658 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1659 idx, reg); 1660 radeon_cs_dump_packet(p, pkt); 1661 return r; 1662 } 1663 track->textures[1].cube_info[i].offset = idx_value; 1664 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1665 track->textures[1].cube_info[i].robj = reloc->robj; 1666 track->tex_dirty = true; 1667 break; 1668 case RADEON_PP_CUBIC_OFFSET_T2_0: 1669 case RADEON_PP_CUBIC_OFFSET_T2_1: 1670 case RADEON_PP_CUBIC_OFFSET_T2_2: 1671 case RADEON_PP_CUBIC_OFFSET_T2_3: 1672 case RADEON_PP_CUBIC_OFFSET_T2_4: 1673 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4; 1674 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1675 if (r) { 1676 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1677 idx, reg); 1678 radeon_cs_dump_packet(p, pkt); 1679 return r; 1680 } 1681 track->textures[2].cube_info[i].offset = idx_value; 1682 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1683 track->textures[2].cube_info[i].robj = reloc->robj; 1684 track->tex_dirty = true; 1685 break; 1686 case RADEON_RE_WIDTH_HEIGHT: 1687 track->maxy = ((idx_value >> 16) & 0x7FF); 1688 track->cb_dirty = true; 1689 track->zb_dirty = true; 1690 break; 1691 case RADEON_RB3D_COLORPITCH: 1692 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1693 if (r) { 1694 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1695 idx, reg); 1696 radeon_cs_dump_packet(p, pkt); 1697 return r; 1698 } 1699 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 1700 if (reloc->tiling_flags & RADEON_TILING_MACRO) 1701 tile_flags |= RADEON_COLOR_TILE_ENABLE; 1702 if (reloc->tiling_flags & RADEON_TILING_MICRO) 1703 tile_flags |= RADEON_COLOR_MICROTILE_ENABLE; 1704 1705 tmp = idx_value & ~(0x7 << 16); 1706 tmp |= tile_flags; 1707 ib[idx] = tmp; 1708 } else 1709 ib[idx] = idx_value; 1710 1711 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK; 1712 track->cb_dirty = true; 1713 break; 1714 case RADEON_RB3D_DEPTHPITCH: 1715 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK; 1716 track->zb_dirty = true; 1717 break; 1718 case RADEON_RB3D_CNTL: 1719 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) { 1720 case 7: 1721 case 8: 1722 case 9: 1723 case 11: 1724 case 12: 1725 track->cb[0].cpp = 1; 1726 break; 1727 case 3: 1728 case 4: 1729 case 15: 1730 track->cb[0].cpp = 2; 1731 break; 1732 case 6: 1733 track->cb[0].cpp = 4; 1734 break; 1735 default: 1736 DRM_ERROR("Invalid color buffer format (%d) !\n", 1737 ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f)); 1738 return -EINVAL; 1739 } 1740 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE); 1741 track->cb_dirty = true; 1742 track->zb_dirty = true; 1743 break; 1744 case RADEON_RB3D_ZSTENCILCNTL: 1745 switch (idx_value & 0xf) { 1746 case 0: 1747 track->zb.cpp = 2; 1748 break; 1749 case 2: 1750 case 3: 1751 case 4: 1752 case 5: 1753 case 9: 1754 case 11: 1755 track->zb.cpp = 4; 1756 break; 1757 default: 1758 break; 1759 } 1760 track->zb_dirty = true; 1761 break; 1762 case RADEON_RB3D_ZPASS_ADDR: 1763 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1764 if (r) { 1765 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1766 idx, reg); 1767 radeon_cs_dump_packet(p, pkt); 1768 return r; 1769 } 1770 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1771 break; 1772 case RADEON_PP_CNTL: 1773 { 1774 uint32_t temp = idx_value >> 4; 1775 for (i = 0; i < track->num_texture; i++) 1776 track->textures[i].enabled = !!(temp & (1 << i)); 1777 track->tex_dirty = true; 1778 } 1779 break; 1780 case RADEON_SE_VF_CNTL: 1781 track->vap_vf_cntl = idx_value; 1782 break; 1783 case RADEON_SE_VTX_FMT: 1784 track->vtx_size = r100_get_vtx_size(idx_value); 1785 break; 1786 case RADEON_PP_TEX_SIZE_0: 1787 case RADEON_PP_TEX_SIZE_1: 1788 case RADEON_PP_TEX_SIZE_2: 1789 i = (reg - RADEON_PP_TEX_SIZE_0) / 8; 1790 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1; 1791 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1; 1792 track->tex_dirty = true; 1793 break; 1794 case RADEON_PP_TEX_PITCH_0: 1795 case RADEON_PP_TEX_PITCH_1: 1796 case RADEON_PP_TEX_PITCH_2: 1797 i = (reg - RADEON_PP_TEX_PITCH_0) / 8; 1798 track->textures[i].pitch = idx_value + 32; 1799 track->tex_dirty = true; 1800 break; 1801 case RADEON_PP_TXFILTER_0: 1802 case RADEON_PP_TXFILTER_1: 1803 case RADEON_PP_TXFILTER_2: 1804 i = (reg - RADEON_PP_TXFILTER_0) / 24; 1805 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK) 1806 >> RADEON_MAX_MIP_LEVEL_SHIFT); 1807 tmp = (idx_value >> 23) & 0x7; 1808 if (tmp == 2 || tmp == 6) 1809 track->textures[i].roundup_w = false; 1810 tmp = (idx_value >> 27) & 0x7; 1811 if (tmp == 2 || tmp == 6) 1812 track->textures[i].roundup_h = false; 1813 track->tex_dirty = true; 1814 break; 1815 case RADEON_PP_TXFORMAT_0: 1816 case RADEON_PP_TXFORMAT_1: 1817 case RADEON_PP_TXFORMAT_2: 1818 i = (reg - RADEON_PP_TXFORMAT_0) / 24; 1819 if (idx_value & RADEON_TXFORMAT_NON_POWER2) { 1820 track->textures[i].use_pitch = 1; 1821 } else { 1822 track->textures[i].use_pitch = 0; 1823 track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK); 1824 track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK); 1825 } 1826 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE) 1827 track->textures[i].tex_coord_type = 2; 1828 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) { 1829 case RADEON_TXFORMAT_I8: 1830 case RADEON_TXFORMAT_RGB332: 1831 case RADEON_TXFORMAT_Y8: 1832 track->textures[i].cpp = 1; 1833 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1834 break; 1835 case RADEON_TXFORMAT_AI88: 1836 case RADEON_TXFORMAT_ARGB1555: 1837 case RADEON_TXFORMAT_RGB565: 1838 case RADEON_TXFORMAT_ARGB4444: 1839 case RADEON_TXFORMAT_VYUY422: 1840 case RADEON_TXFORMAT_YVYU422: 1841 case RADEON_TXFORMAT_SHADOW16: 1842 case RADEON_TXFORMAT_LDUDV655: 1843 case RADEON_TXFORMAT_DUDV88: 1844 track->textures[i].cpp = 2; 1845 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1846 break; 1847 case RADEON_TXFORMAT_ARGB8888: 1848 case RADEON_TXFORMAT_RGBA8888: 1849 case RADEON_TXFORMAT_SHADOW32: 1850 case RADEON_TXFORMAT_LDUDUV8888: 1851 track->textures[i].cpp = 4; 1852 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 1853 break; 1854 case RADEON_TXFORMAT_DXT1: 1855 track->textures[i].cpp = 1; 1856 track->textures[i].compress_format = R100_TRACK_COMP_DXT1; 1857 break; 1858 case RADEON_TXFORMAT_DXT23: 1859 case RADEON_TXFORMAT_DXT45: 1860 track->textures[i].cpp = 1; 1861 track->textures[i].compress_format = R100_TRACK_COMP_DXT35; 1862 break; 1863 } 1864 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf); 1865 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf); 1866 track->tex_dirty = true; 1867 break; 1868 case RADEON_PP_CUBIC_FACES_0: 1869 case RADEON_PP_CUBIC_FACES_1: 1870 case RADEON_PP_CUBIC_FACES_2: 1871 tmp = idx_value; 1872 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4; 1873 for (face = 0; face < 4; face++) { 1874 track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf); 1875 track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf); 1876 } 1877 track->tex_dirty = true; 1878 break; 1879 default: 1880 pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx); 1881 return -EINVAL; 1882 } 1883 return 0; 1884 } 1885 1886 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p, 1887 struct radeon_cs_packet *pkt, 1888 struct radeon_bo *robj) 1889 { 1890 unsigned idx; 1891 u32 value; 1892 idx = pkt->idx + 1; 1893 value = radeon_get_ib_value(p, idx + 2); 1894 if ((value + 1) > radeon_bo_size(robj)) { 1895 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER " 1896 "(need %u have %lu) !\n", 1897 value + 1, 1898 radeon_bo_size(robj)); 1899 return -EINVAL; 1900 } 1901 return 0; 1902 } 1903 1904 static int r100_packet3_check(struct radeon_cs_parser *p, 1905 struct radeon_cs_packet *pkt) 1906 { 1907 struct radeon_bo_list *reloc; 1908 struct r100_cs_track *track; 1909 unsigned idx; 1910 volatile uint32_t *ib; 1911 int r; 1912 1913 ib = p->ib.ptr; 1914 idx = pkt->idx + 1; 1915 track = (struct r100_cs_track *)p->track; 1916 switch (pkt->opcode) { 1917 case PACKET3_3D_LOAD_VBPNTR: 1918 r = r100_packet3_load_vbpntr(p, pkt, idx); 1919 if (r) 1920 return r; 1921 break; 1922 case PACKET3_INDX_BUFFER: 1923 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1924 if (r) { 1925 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1926 radeon_cs_dump_packet(p, pkt); 1927 return r; 1928 } 1929 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->gpu_offset); 1930 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj); 1931 if (r) { 1932 return r; 1933 } 1934 break; 1935 case 0x23: 1936 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */ 1937 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1938 if (r) { 1939 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1940 radeon_cs_dump_packet(p, pkt); 1941 return r; 1942 } 1943 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->gpu_offset); 1944 track->num_arrays = 1; 1945 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2)); 1946 1947 track->arrays[0].robj = reloc->robj; 1948 track->arrays[0].esize = track->vtx_size; 1949 1950 track->max_indx = radeon_get_ib_value(p, idx+1); 1951 1952 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3); 1953 track->immd_dwords = pkt->count - 1; 1954 r = r100_cs_track_check(p->rdev, track); 1955 if (r) 1956 return r; 1957 break; 1958 case PACKET3_3D_DRAW_IMMD: 1959 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) { 1960 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1961 return -EINVAL; 1962 } 1963 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0)); 1964 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1965 track->immd_dwords = pkt->count - 1; 1966 r = r100_cs_track_check(p->rdev, track); 1967 if (r) 1968 return r; 1969 break; 1970 /* triggers drawing using in-packet vertex data */ 1971 case PACKET3_3D_DRAW_IMMD_2: 1972 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) { 1973 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1974 return -EINVAL; 1975 } 1976 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1977 track->immd_dwords = pkt->count; 1978 r = r100_cs_track_check(p->rdev, track); 1979 if (r) 1980 return r; 1981 break; 1982 /* triggers drawing using in-packet vertex data */ 1983 case PACKET3_3D_DRAW_VBUF_2: 1984 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1985 r = r100_cs_track_check(p->rdev, track); 1986 if (r) 1987 return r; 1988 break; 1989 /* triggers drawing of vertex buffers setup elsewhere */ 1990 case PACKET3_3D_DRAW_INDX_2: 1991 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1992 r = r100_cs_track_check(p->rdev, track); 1993 if (r) 1994 return r; 1995 break; 1996 /* triggers drawing using indices to vertex buffer */ 1997 case PACKET3_3D_DRAW_VBUF: 1998 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1999 r = r100_cs_track_check(p->rdev, track); 2000 if (r) 2001 return r; 2002 break; 2003 /* triggers drawing of vertex buffers setup elsewhere */ 2004 case PACKET3_3D_DRAW_INDX: 2005 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 2006 r = r100_cs_track_check(p->rdev, track); 2007 if (r) 2008 return r; 2009 break; 2010 /* triggers drawing using indices to vertex buffer */ 2011 case PACKET3_3D_CLEAR_HIZ: 2012 case PACKET3_3D_CLEAR_ZMASK: 2013 if (p->rdev->hyperz_filp != p->filp) 2014 return -EINVAL; 2015 break; 2016 case PACKET3_NOP: 2017 break; 2018 default: 2019 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); 2020 return -EINVAL; 2021 } 2022 return 0; 2023 } 2024 2025 int r100_cs_parse(struct radeon_cs_parser *p) 2026 { 2027 struct radeon_cs_packet pkt; 2028 struct r100_cs_track *track; 2029 int r; 2030 2031 track = kzalloc(sizeof(*track), GFP_KERNEL); 2032 if (!track) 2033 return -ENOMEM; 2034 r100_cs_track_clear(p->rdev, track); 2035 p->track = track; 2036 do { 2037 r = radeon_cs_packet_parse(p, &pkt, p->idx); 2038 if (r) { 2039 return r; 2040 } 2041 p->idx += pkt.count + 2; 2042 switch (pkt.type) { 2043 case RADEON_PACKET_TYPE0: 2044 if (p->rdev->family >= CHIP_R200) 2045 r = r100_cs_parse_packet0(p, &pkt, 2046 p->rdev->config.r100.reg_safe_bm, 2047 p->rdev->config.r100.reg_safe_bm_size, 2048 &r200_packet0_check); 2049 else 2050 r = r100_cs_parse_packet0(p, &pkt, 2051 p->rdev->config.r100.reg_safe_bm, 2052 p->rdev->config.r100.reg_safe_bm_size, 2053 &r100_packet0_check); 2054 break; 2055 case RADEON_PACKET_TYPE2: 2056 break; 2057 case RADEON_PACKET_TYPE3: 2058 r = r100_packet3_check(p, &pkt); 2059 break; 2060 default: 2061 DRM_ERROR("Unknown packet type %d !\n", 2062 pkt.type); 2063 return -EINVAL; 2064 } 2065 if (r) 2066 return r; 2067 } while (p->idx < p->chunk_ib->length_dw); 2068 return 0; 2069 } 2070 2071 static void r100_cs_track_texture_print(struct r100_cs_track_texture *t) 2072 { 2073 DRM_ERROR("pitch %d\n", t->pitch); 2074 DRM_ERROR("use_pitch %d\n", t->use_pitch); 2075 DRM_ERROR("width %d\n", t->width); 2076 DRM_ERROR("width_11 %d\n", t->width_11); 2077 DRM_ERROR("height %d\n", t->height); 2078 DRM_ERROR("height_11 %d\n", t->height_11); 2079 DRM_ERROR("num levels %d\n", t->num_levels); 2080 DRM_ERROR("depth %d\n", t->txdepth); 2081 DRM_ERROR("bpp %d\n", t->cpp); 2082 DRM_ERROR("coordinate type %d\n", t->tex_coord_type); 2083 DRM_ERROR("width round to power of 2 %d\n", t->roundup_w); 2084 DRM_ERROR("height round to power of 2 %d\n", t->roundup_h); 2085 DRM_ERROR("compress format %d\n", t->compress_format); 2086 } 2087 2088 static int r100_track_compress_size(int compress_format, int w, int h) 2089 { 2090 int block_width, block_height, block_bytes; 2091 int wblocks, hblocks; 2092 int min_wblocks; 2093 int sz; 2094 2095 block_width = 4; 2096 block_height = 4; 2097 2098 switch (compress_format) { 2099 case R100_TRACK_COMP_DXT1: 2100 block_bytes = 8; 2101 min_wblocks = 4; 2102 break; 2103 default: 2104 case R100_TRACK_COMP_DXT35: 2105 block_bytes = 16; 2106 min_wblocks = 2; 2107 break; 2108 } 2109 2110 hblocks = (h + block_height - 1) / block_height; 2111 wblocks = (w + block_width - 1) / block_width; 2112 if (wblocks < min_wblocks) 2113 wblocks = min_wblocks; 2114 sz = wblocks * hblocks * block_bytes; 2115 return sz; 2116 } 2117 2118 static int r100_cs_track_cube(struct radeon_device *rdev, 2119 struct r100_cs_track *track, unsigned idx) 2120 { 2121 unsigned face, w, h; 2122 struct radeon_bo *cube_robj; 2123 unsigned long size; 2124 unsigned compress_format = track->textures[idx].compress_format; 2125 2126 for (face = 0; face < 5; face++) { 2127 cube_robj = track->textures[idx].cube_info[face].robj; 2128 w = track->textures[idx].cube_info[face].width; 2129 h = track->textures[idx].cube_info[face].height; 2130 2131 if (compress_format) { 2132 size = r100_track_compress_size(compress_format, w, h); 2133 } else 2134 size = w * h; 2135 size *= track->textures[idx].cpp; 2136 2137 size += track->textures[idx].cube_info[face].offset; 2138 2139 if (size > radeon_bo_size(cube_robj)) { 2140 DRM_ERROR("Cube texture offset greater than object size %lu %lu\n", 2141 size, radeon_bo_size(cube_robj)); 2142 r100_cs_track_texture_print(&track->textures[idx]); 2143 return -1; 2144 } 2145 } 2146 return 0; 2147 } 2148 2149 static int r100_cs_track_texture_check(struct radeon_device *rdev, 2150 struct r100_cs_track *track) 2151 { 2152 struct radeon_bo *robj; 2153 unsigned long size; 2154 unsigned u, i, w, h, d; 2155 int ret; 2156 2157 for (u = 0; u < track->num_texture; u++) { 2158 if (!track->textures[u].enabled) 2159 continue; 2160 if (track->textures[u].lookup_disable) 2161 continue; 2162 robj = track->textures[u].robj; 2163 if (robj == NULL) { 2164 DRM_ERROR("No texture bound to unit %u\n", u); 2165 return -EINVAL; 2166 } 2167 size = 0; 2168 for (i = 0; i <= track->textures[u].num_levels; i++) { 2169 if (track->textures[u].use_pitch) { 2170 if (rdev->family < CHIP_R300) 2171 w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i); 2172 else 2173 w = track->textures[u].pitch / (1 << i); 2174 } else { 2175 w = track->textures[u].width; 2176 if (rdev->family >= CHIP_RV515) 2177 w |= track->textures[u].width_11; 2178 w = w / (1 << i); 2179 if (track->textures[u].roundup_w) 2180 w = roundup_pow_of_two(w); 2181 } 2182 h = track->textures[u].height; 2183 if (rdev->family >= CHIP_RV515) 2184 h |= track->textures[u].height_11; 2185 h = h / (1 << i); 2186 if (track->textures[u].roundup_h) 2187 h = roundup_pow_of_two(h); 2188 if (track->textures[u].tex_coord_type == 1) { 2189 d = (1 << track->textures[u].txdepth) / (1 << i); 2190 if (!d) 2191 d = 1; 2192 } else { 2193 d = 1; 2194 } 2195 if (track->textures[u].compress_format) { 2196 2197 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d; 2198 /* compressed textures are block based */ 2199 } else 2200 size += w * h * d; 2201 } 2202 size *= track->textures[u].cpp; 2203 2204 switch (track->textures[u].tex_coord_type) { 2205 case 0: 2206 case 1: 2207 break; 2208 case 2: 2209 if (track->separate_cube) { 2210 ret = r100_cs_track_cube(rdev, track, u); 2211 if (ret) 2212 return ret; 2213 } else 2214 size *= 6; 2215 break; 2216 default: 2217 DRM_ERROR("Invalid texture coordinate type %u for unit " 2218 "%u\n", track->textures[u].tex_coord_type, u); 2219 return -EINVAL; 2220 } 2221 if (size > radeon_bo_size(robj)) { 2222 DRM_ERROR("Texture of unit %u needs %lu bytes but is " 2223 "%lu\n", u, size, radeon_bo_size(robj)); 2224 r100_cs_track_texture_print(&track->textures[u]); 2225 return -EINVAL; 2226 } 2227 } 2228 return 0; 2229 } 2230 2231 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track) 2232 { 2233 unsigned i; 2234 unsigned long size; 2235 unsigned prim_walk; 2236 unsigned nverts; 2237 unsigned num_cb = track->cb_dirty ? track->num_cb : 0; 2238 2239 if (num_cb && !track->zb_cb_clear && !track->color_channel_mask && 2240 !track->blend_read_enable) 2241 num_cb = 0; 2242 2243 for (i = 0; i < num_cb; i++) { 2244 if (track->cb[i].robj == NULL) { 2245 DRM_ERROR("[drm] No buffer for color buffer %d !\n", i); 2246 return -EINVAL; 2247 } 2248 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy; 2249 size += track->cb[i].offset; 2250 if (size > radeon_bo_size(track->cb[i].robj)) { 2251 DRM_ERROR("[drm] Buffer too small for color buffer %d " 2252 "(need %lu have %lu) !\n", i, size, 2253 radeon_bo_size(track->cb[i].robj)); 2254 DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n", 2255 i, track->cb[i].pitch, track->cb[i].cpp, 2256 track->cb[i].offset, track->maxy); 2257 return -EINVAL; 2258 } 2259 } 2260 track->cb_dirty = false; 2261 2262 if (track->zb_dirty && track->z_enabled) { 2263 if (track->zb.robj == NULL) { 2264 DRM_ERROR("[drm] No buffer for z buffer !\n"); 2265 return -EINVAL; 2266 } 2267 size = track->zb.pitch * track->zb.cpp * track->maxy; 2268 size += track->zb.offset; 2269 if (size > radeon_bo_size(track->zb.robj)) { 2270 DRM_ERROR("[drm] Buffer too small for z buffer " 2271 "(need %lu have %lu) !\n", size, 2272 radeon_bo_size(track->zb.robj)); 2273 DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n", 2274 track->zb.pitch, track->zb.cpp, 2275 track->zb.offset, track->maxy); 2276 return -EINVAL; 2277 } 2278 } 2279 track->zb_dirty = false; 2280 2281 if (track->aa_dirty && track->aaresolve) { 2282 if (track->aa.robj == NULL) { 2283 DRM_ERROR("[drm] No buffer for AA resolve buffer %d !\n", i); 2284 return -EINVAL; 2285 } 2286 /* I believe the format comes from colorbuffer0. */ 2287 size = track->aa.pitch * track->cb[0].cpp * track->maxy; 2288 size += track->aa.offset; 2289 if (size > radeon_bo_size(track->aa.robj)) { 2290 DRM_ERROR("[drm] Buffer too small for AA resolve buffer %d " 2291 "(need %lu have %lu) !\n", i, size, 2292 radeon_bo_size(track->aa.robj)); 2293 DRM_ERROR("[drm] AA resolve buffer %d (%u %u %u %u)\n", 2294 i, track->aa.pitch, track->cb[0].cpp, 2295 track->aa.offset, track->maxy); 2296 return -EINVAL; 2297 } 2298 } 2299 track->aa_dirty = false; 2300 2301 prim_walk = (track->vap_vf_cntl >> 4) & 0x3; 2302 if (track->vap_vf_cntl & (1 << 14)) { 2303 nverts = track->vap_alt_nverts; 2304 } else { 2305 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF; 2306 } 2307 switch (prim_walk) { 2308 case 1: 2309 for (i = 0; i < track->num_arrays; i++) { 2310 size = track->arrays[i].esize * track->max_indx * 4; 2311 if (track->arrays[i].robj == NULL) { 2312 DRM_ERROR("(PW %u) Vertex array %u no buffer " 2313 "bound\n", prim_walk, i); 2314 return -EINVAL; 2315 } 2316 if (size > radeon_bo_size(track->arrays[i].robj)) { 2317 dev_err(rdev->dev, "(PW %u) Vertex array %u " 2318 "need %lu dwords have %lu dwords\n", 2319 prim_walk, i, size >> 2, 2320 radeon_bo_size(track->arrays[i].robj) 2321 >> 2); 2322 DRM_ERROR("Max indices %u\n", track->max_indx); 2323 return -EINVAL; 2324 } 2325 } 2326 break; 2327 case 2: 2328 for (i = 0; i < track->num_arrays; i++) { 2329 size = track->arrays[i].esize * (nverts - 1) * 4; 2330 if (track->arrays[i].robj == NULL) { 2331 DRM_ERROR("(PW %u) Vertex array %u no buffer " 2332 "bound\n", prim_walk, i); 2333 return -EINVAL; 2334 } 2335 if (size > radeon_bo_size(track->arrays[i].robj)) { 2336 dev_err(rdev->dev, "(PW %u) Vertex array %u " 2337 "need %lu dwords have %lu dwords\n", 2338 prim_walk, i, size >> 2, 2339 radeon_bo_size(track->arrays[i].robj) 2340 >> 2); 2341 return -EINVAL; 2342 } 2343 } 2344 break; 2345 case 3: 2346 size = track->vtx_size * nverts; 2347 if (size != track->immd_dwords) { 2348 DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n", 2349 track->immd_dwords, size); 2350 DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n", 2351 nverts, track->vtx_size); 2352 return -EINVAL; 2353 } 2354 break; 2355 default: 2356 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n", 2357 prim_walk); 2358 return -EINVAL; 2359 } 2360 2361 if (track->tex_dirty) { 2362 track->tex_dirty = false; 2363 return r100_cs_track_texture_check(rdev, track); 2364 } 2365 return 0; 2366 } 2367 2368 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track) 2369 { 2370 unsigned i, face; 2371 2372 track->cb_dirty = true; 2373 track->zb_dirty = true; 2374 track->tex_dirty = true; 2375 track->aa_dirty = true; 2376 2377 if (rdev->family < CHIP_R300) { 2378 track->num_cb = 1; 2379 if (rdev->family <= CHIP_RS200) 2380 track->num_texture = 3; 2381 else 2382 track->num_texture = 6; 2383 track->maxy = 2048; 2384 track->separate_cube = 1; 2385 } else { 2386 track->num_cb = 4; 2387 track->num_texture = 16; 2388 track->maxy = 4096; 2389 track->separate_cube = 0; 2390 track->aaresolve = false; 2391 track->aa.robj = NULL; 2392 } 2393 2394 for (i = 0; i < track->num_cb; i++) { 2395 track->cb[i].robj = NULL; 2396 track->cb[i].pitch = 8192; 2397 track->cb[i].cpp = 16; 2398 track->cb[i].offset = 0; 2399 } 2400 track->z_enabled = true; 2401 track->zb.robj = NULL; 2402 track->zb.pitch = 8192; 2403 track->zb.cpp = 4; 2404 track->zb.offset = 0; 2405 track->vtx_size = 0x7F; 2406 track->immd_dwords = 0xFFFFFFFFUL; 2407 track->num_arrays = 11; 2408 track->max_indx = 0x00FFFFFFUL; 2409 for (i = 0; i < track->num_arrays; i++) { 2410 track->arrays[i].robj = NULL; 2411 track->arrays[i].esize = 0x7F; 2412 } 2413 for (i = 0; i < track->num_texture; i++) { 2414 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 2415 track->textures[i].pitch = 16536; 2416 track->textures[i].width = 16536; 2417 track->textures[i].height = 16536; 2418 track->textures[i].width_11 = 1 << 11; 2419 track->textures[i].height_11 = 1 << 11; 2420 track->textures[i].num_levels = 12; 2421 if (rdev->family <= CHIP_RS200) { 2422 track->textures[i].tex_coord_type = 0; 2423 track->textures[i].txdepth = 0; 2424 } else { 2425 track->textures[i].txdepth = 16; 2426 track->textures[i].tex_coord_type = 1; 2427 } 2428 track->textures[i].cpp = 64; 2429 track->textures[i].robj = NULL; 2430 /* CS IB emission code makes sure texture unit are disabled */ 2431 track->textures[i].enabled = false; 2432 track->textures[i].lookup_disable = false; 2433 track->textures[i].roundup_w = true; 2434 track->textures[i].roundup_h = true; 2435 if (track->separate_cube) 2436 for (face = 0; face < 5; face++) { 2437 track->textures[i].cube_info[face].robj = NULL; 2438 track->textures[i].cube_info[face].width = 16536; 2439 track->textures[i].cube_info[face].height = 16536; 2440 track->textures[i].cube_info[face].offset = 0; 2441 } 2442 } 2443 } 2444 2445 /* 2446 * Global GPU functions 2447 */ 2448 static void r100_errata(struct radeon_device *rdev) 2449 { 2450 rdev->pll_errata = 0; 2451 2452 if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) { 2453 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS; 2454 } 2455 2456 if (rdev->family == CHIP_RV100 || 2457 rdev->family == CHIP_RS100 || 2458 rdev->family == CHIP_RS200) { 2459 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY; 2460 } 2461 } 2462 2463 static int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n) 2464 { 2465 unsigned i; 2466 uint32_t tmp; 2467 2468 for (i = 0; i < rdev->usec_timeout; i++) { 2469 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK; 2470 if (tmp >= n) { 2471 return 0; 2472 } 2473 DRM_UDELAY(1); 2474 } 2475 return -1; 2476 } 2477 2478 int r100_gui_wait_for_idle(struct radeon_device *rdev) 2479 { 2480 unsigned i; 2481 uint32_t tmp; 2482 2483 if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) { 2484 pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n"); 2485 } 2486 for (i = 0; i < rdev->usec_timeout; i++) { 2487 tmp = RREG32(RADEON_RBBM_STATUS); 2488 if (!(tmp & RADEON_RBBM_ACTIVE)) { 2489 return 0; 2490 } 2491 DRM_UDELAY(1); 2492 } 2493 return -1; 2494 } 2495 2496 int r100_mc_wait_for_idle(struct radeon_device *rdev) 2497 { 2498 unsigned i; 2499 uint32_t tmp; 2500 2501 for (i = 0; i < rdev->usec_timeout; i++) { 2502 /* read MC_STATUS */ 2503 tmp = RREG32(RADEON_MC_STATUS); 2504 if (tmp & RADEON_MC_IDLE) { 2505 return 0; 2506 } 2507 DRM_UDELAY(1); 2508 } 2509 return -1; 2510 } 2511 2512 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 2513 { 2514 u32 rbbm_status; 2515 2516 rbbm_status = RREG32(R_000E40_RBBM_STATUS); 2517 if (!G_000E40_GUI_ACTIVE(rbbm_status)) { 2518 radeon_ring_lockup_update(rdev, ring); 2519 return false; 2520 } 2521 return radeon_ring_test_lockup(rdev, ring); 2522 } 2523 2524 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */ 2525 void r100_enable_bm(struct radeon_device *rdev) 2526 { 2527 uint32_t tmp; 2528 /* Enable bus mastering */ 2529 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; 2530 WREG32(RADEON_BUS_CNTL, tmp); 2531 } 2532 2533 void r100_bm_disable(struct radeon_device *rdev) 2534 { 2535 u32 tmp; 2536 2537 /* disable bus mastering */ 2538 tmp = RREG32(R_000030_BUS_CNTL); 2539 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044); 2540 mdelay(1); 2541 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042); 2542 mdelay(1); 2543 WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040); 2544 tmp = RREG32(RADEON_BUS_CNTL); 2545 mdelay(1); 2546 pci_clear_master(rdev->pdev); 2547 mdelay(1); 2548 } 2549 2550 int r100_asic_reset(struct radeon_device *rdev, bool hard) 2551 { 2552 struct r100_mc_save save; 2553 u32 status, tmp; 2554 int ret = 0; 2555 2556 status = RREG32(R_000E40_RBBM_STATUS); 2557 if (!G_000E40_GUI_ACTIVE(status)) { 2558 return 0; 2559 } 2560 r100_mc_stop(rdev, &save); 2561 status = RREG32(R_000E40_RBBM_STATUS); 2562 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2563 /* stop CP */ 2564 WREG32(RADEON_CP_CSQ_CNTL, 0); 2565 tmp = RREG32(RADEON_CP_RB_CNTL); 2566 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 2567 WREG32(RADEON_CP_RB_RPTR_WR, 0); 2568 WREG32(RADEON_CP_RB_WPTR, 0); 2569 WREG32(RADEON_CP_RB_CNTL, tmp); 2570 /* save PCI state */ 2571 pci_save_state(rdev->pdev); 2572 /* disable bus mastering */ 2573 r100_bm_disable(rdev); 2574 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) | 2575 S_0000F0_SOFT_RESET_RE(1) | 2576 S_0000F0_SOFT_RESET_PP(1) | 2577 S_0000F0_SOFT_RESET_RB(1)); 2578 RREG32(R_0000F0_RBBM_SOFT_RESET); 2579 mdelay(500); 2580 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 2581 mdelay(1); 2582 status = RREG32(R_000E40_RBBM_STATUS); 2583 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2584 /* reset CP */ 2585 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 2586 RREG32(R_0000F0_RBBM_SOFT_RESET); 2587 mdelay(500); 2588 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 2589 mdelay(1); 2590 status = RREG32(R_000E40_RBBM_STATUS); 2591 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 2592 /* restore PCI & busmastering */ 2593 pci_restore_state(rdev->pdev); 2594 r100_enable_bm(rdev); 2595 /* Check if GPU is idle */ 2596 if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) || 2597 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) { 2598 dev_err(rdev->dev, "failed to reset GPU\n"); 2599 ret = -1; 2600 } else 2601 dev_info(rdev->dev, "GPU reset succeed\n"); 2602 r100_mc_resume(rdev, &save); 2603 return ret; 2604 } 2605 2606 void r100_set_common_regs(struct radeon_device *rdev) 2607 { 2608 struct drm_device *dev = rdev->ddev; 2609 bool force_dac2 = false; 2610 u32 tmp; 2611 2612 /* set these so they don't interfere with anything */ 2613 WREG32(RADEON_OV0_SCALE_CNTL, 0); 2614 WREG32(RADEON_SUBPIC_CNTL, 0); 2615 WREG32(RADEON_VIPH_CONTROL, 0); 2616 WREG32(RADEON_I2C_CNTL_1, 0); 2617 WREG32(RADEON_DVI_I2C_CNTL_1, 0); 2618 WREG32(RADEON_CAP0_TRIG_CNTL, 0); 2619 WREG32(RADEON_CAP1_TRIG_CNTL, 0); 2620 2621 /* always set up dac2 on rn50 and some rv100 as lots 2622 * of servers seem to wire it up to a VGA port but 2623 * don't report it in the bios connector 2624 * table. 2625 */ 2626 switch (dev->pdev->device) { 2627 /* RN50 */ 2628 case 0x515e: 2629 case 0x5969: 2630 force_dac2 = true; 2631 break; 2632 /* RV100*/ 2633 case 0x5159: 2634 case 0x515a: 2635 /* DELL triple head servers */ 2636 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) && 2637 ((dev->pdev->subsystem_device == 0x016c) || 2638 (dev->pdev->subsystem_device == 0x016d) || 2639 (dev->pdev->subsystem_device == 0x016e) || 2640 (dev->pdev->subsystem_device == 0x016f) || 2641 (dev->pdev->subsystem_device == 0x0170) || 2642 (dev->pdev->subsystem_device == 0x017d) || 2643 (dev->pdev->subsystem_device == 0x017e) || 2644 (dev->pdev->subsystem_device == 0x0183) || 2645 (dev->pdev->subsystem_device == 0x018a) || 2646 (dev->pdev->subsystem_device == 0x019a))) 2647 force_dac2 = true; 2648 break; 2649 } 2650 2651 if (force_dac2) { 2652 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); 2653 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 2654 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2); 2655 2656 /* For CRT on DAC2, don't turn it on if BIOS didn't 2657 enable it, even it's detected. 2658 */ 2659 2660 /* force it to crtc0 */ 2661 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL; 2662 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL; 2663 disp_hw_debug |= RADEON_CRT2_DISP1_SEL; 2664 2665 /* set up the TV DAC */ 2666 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL | 2667 RADEON_TV_DAC_STD_MASK | 2668 RADEON_TV_DAC_RDACPD | 2669 RADEON_TV_DAC_GDACPD | 2670 RADEON_TV_DAC_BDACPD | 2671 RADEON_TV_DAC_BGADJ_MASK | 2672 RADEON_TV_DAC_DACADJ_MASK); 2673 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK | 2674 RADEON_TV_DAC_NHOLD | 2675 RADEON_TV_DAC_STD_PS2 | 2676 (0x58 << 16)); 2677 2678 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 2679 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); 2680 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 2681 } 2682 2683 /* switch PM block to ACPI mode */ 2684 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL); 2685 tmp &= ~RADEON_PM_MODE_SEL; 2686 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp); 2687 2688 } 2689 2690 /* 2691 * VRAM info 2692 */ 2693 static void r100_vram_get_type(struct radeon_device *rdev) 2694 { 2695 uint32_t tmp; 2696 2697 rdev->mc.vram_is_ddr = false; 2698 if (rdev->flags & RADEON_IS_IGP) 2699 rdev->mc.vram_is_ddr = true; 2700 else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR) 2701 rdev->mc.vram_is_ddr = true; 2702 if ((rdev->family == CHIP_RV100) || 2703 (rdev->family == CHIP_RS100) || 2704 (rdev->family == CHIP_RS200)) { 2705 tmp = RREG32(RADEON_MEM_CNTL); 2706 if (tmp & RV100_HALF_MODE) { 2707 rdev->mc.vram_width = 32; 2708 } else { 2709 rdev->mc.vram_width = 64; 2710 } 2711 if (rdev->flags & RADEON_SINGLE_CRTC) { 2712 rdev->mc.vram_width /= 4; 2713 rdev->mc.vram_is_ddr = true; 2714 } 2715 } else if (rdev->family <= CHIP_RV280) { 2716 tmp = RREG32(RADEON_MEM_CNTL); 2717 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) { 2718 rdev->mc.vram_width = 128; 2719 } else { 2720 rdev->mc.vram_width = 64; 2721 } 2722 } else { 2723 /* newer IGPs */ 2724 rdev->mc.vram_width = 128; 2725 } 2726 } 2727 2728 static u32 r100_get_accessible_vram(struct radeon_device *rdev) 2729 { 2730 u32 aper_size; 2731 u8 byte; 2732 2733 aper_size = RREG32(RADEON_CONFIG_APER_SIZE); 2734 2735 /* Set HDP_APER_CNTL only on cards that are known not to be broken, 2736 * that is has the 2nd generation multifunction PCI interface 2737 */ 2738 if (rdev->family == CHIP_RV280 || 2739 rdev->family >= CHIP_RV350) { 2740 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL, 2741 ~RADEON_HDP_APER_CNTL); 2742 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n"); 2743 return aper_size * 2; 2744 } 2745 2746 /* Older cards have all sorts of funny issues to deal with. First 2747 * check if it's a multifunction card by reading the PCI config 2748 * header type... Limit those to one aperture size 2749 */ 2750 pci_read_config_byte(rdev->pdev, 0xe, &byte); 2751 if (byte & 0x80) { 2752 DRM_INFO("Generation 1 PCI interface in multifunction mode\n"); 2753 DRM_INFO("Limiting VRAM to one aperture\n"); 2754 return aper_size; 2755 } 2756 2757 /* Single function older card. We read HDP_APER_CNTL to see how the BIOS 2758 * have set it up. We don't write this as it's broken on some ASICs but 2759 * we expect the BIOS to have done the right thing (might be too optimistic...) 2760 */ 2761 if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL) 2762 return aper_size * 2; 2763 return aper_size; 2764 } 2765 2766 void r100_vram_init_sizes(struct radeon_device *rdev) 2767 { 2768 u64 config_aper_size; 2769 2770 /* work out accessible VRAM */ 2771 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 2772 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 2773 rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev); 2774 /* FIXME we don't use the second aperture yet when we could use it */ 2775 if (rdev->mc.visible_vram_size > rdev->mc.aper_size) 2776 rdev->mc.visible_vram_size = rdev->mc.aper_size; 2777 config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE); 2778 if (rdev->flags & RADEON_IS_IGP) { 2779 uint32_t tom; 2780 /* read NB_TOM to get the amount of ram stolen for the GPU */ 2781 tom = RREG32(RADEON_NB_TOM); 2782 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16); 2783 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 2784 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 2785 } else { 2786 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); 2787 /* Some production boards of m6 will report 0 2788 * if it's 8 MB 2789 */ 2790 if (rdev->mc.real_vram_size == 0) { 2791 rdev->mc.real_vram_size = 8192 * 1024; 2792 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); 2793 } 2794 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 2795 * Novell bug 204882 + along with lots of ubuntu ones 2796 */ 2797 if (rdev->mc.aper_size > config_aper_size) 2798 config_aper_size = rdev->mc.aper_size; 2799 2800 if (config_aper_size > rdev->mc.real_vram_size) 2801 rdev->mc.mc_vram_size = config_aper_size; 2802 else 2803 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 2804 } 2805 } 2806 2807 void r100_vga_set_state(struct radeon_device *rdev, bool state) 2808 { 2809 uint32_t temp; 2810 2811 temp = RREG32(RADEON_CONFIG_CNTL); 2812 if (state == false) { 2813 temp &= ~RADEON_CFG_VGA_RAM_EN; 2814 temp |= RADEON_CFG_VGA_IO_DIS; 2815 } else { 2816 temp &= ~RADEON_CFG_VGA_IO_DIS; 2817 } 2818 WREG32(RADEON_CONFIG_CNTL, temp); 2819 } 2820 2821 static void r100_mc_init(struct radeon_device *rdev) 2822 { 2823 u64 base; 2824 2825 r100_vram_get_type(rdev); 2826 r100_vram_init_sizes(rdev); 2827 base = rdev->mc.aper_base; 2828 if (rdev->flags & RADEON_IS_IGP) 2829 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; 2830 radeon_vram_location(rdev, &rdev->mc, base); 2831 rdev->mc.gtt_base_align = 0; 2832 if (!(rdev->flags & RADEON_IS_AGP)) 2833 radeon_gtt_location(rdev, &rdev->mc); 2834 radeon_update_bandwidth_info(rdev); 2835 } 2836 2837 2838 /* 2839 * Indirect registers accessor 2840 */ 2841 void r100_pll_errata_after_index(struct radeon_device *rdev) 2842 { 2843 if (rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS) { 2844 (void)RREG32(RADEON_CLOCK_CNTL_DATA); 2845 (void)RREG32(RADEON_CRTC_GEN_CNTL); 2846 } 2847 } 2848 2849 static void r100_pll_errata_after_data(struct radeon_device *rdev) 2850 { 2851 /* This workarounds is necessary on RV100, RS100 and RS200 chips 2852 * or the chip could hang on a subsequent access 2853 */ 2854 if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) { 2855 mdelay(5); 2856 } 2857 2858 /* This function is required to workaround a hardware bug in some (all?) 2859 * revisions of the R300. This workaround should be called after every 2860 * CLOCK_CNTL_INDEX register access. If not, register reads afterward 2861 * may not be correct. 2862 */ 2863 if (rdev->pll_errata & CHIP_ERRATA_R300_CG) { 2864 uint32_t save, tmp; 2865 2866 save = RREG32(RADEON_CLOCK_CNTL_INDEX); 2867 tmp = save & ~(0x3f | RADEON_PLL_WR_EN); 2868 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp); 2869 tmp = RREG32(RADEON_CLOCK_CNTL_DATA); 2870 WREG32(RADEON_CLOCK_CNTL_INDEX, save); 2871 } 2872 } 2873 2874 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg) 2875 { 2876 unsigned long flags; 2877 uint32_t data; 2878 2879 spin_lock_irqsave(&rdev->pll_idx_lock, flags); 2880 WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f); 2881 r100_pll_errata_after_index(rdev); 2882 data = RREG32(RADEON_CLOCK_CNTL_DATA); 2883 r100_pll_errata_after_data(rdev); 2884 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); 2885 return data; 2886 } 2887 2888 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 2889 { 2890 unsigned long flags; 2891 2892 spin_lock_irqsave(&rdev->pll_idx_lock, flags); 2893 WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN)); 2894 r100_pll_errata_after_index(rdev); 2895 WREG32(RADEON_CLOCK_CNTL_DATA, v); 2896 r100_pll_errata_after_data(rdev); 2897 spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); 2898 } 2899 2900 static void r100_set_safe_registers(struct radeon_device *rdev) 2901 { 2902 if (ASIC_IS_RN50(rdev)) { 2903 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm; 2904 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm); 2905 } else if (rdev->family < CHIP_R200) { 2906 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm; 2907 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm); 2908 } else { 2909 r200_set_safe_registers(rdev); 2910 } 2911 } 2912 2913 /* 2914 * Debugfs info 2915 */ 2916 #if defined(CONFIG_DEBUG_FS) 2917 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data) 2918 { 2919 struct drm_info_node *node = (struct drm_info_node *) m->private; 2920 struct drm_device *dev = node->minor->dev; 2921 struct radeon_device *rdev = dev->dev_private; 2922 uint32_t reg, value; 2923 unsigned i; 2924 2925 seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS)); 2926 seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C)); 2927 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2928 for (i = 0; i < 64; i++) { 2929 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100); 2930 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2; 2931 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i); 2932 value = RREG32(RADEON_RBBM_CMDFIFO_DATA); 2933 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value); 2934 } 2935 return 0; 2936 } 2937 2938 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data) 2939 { 2940 struct drm_info_node *node = (struct drm_info_node *) m->private; 2941 struct drm_device *dev = node->minor->dev; 2942 struct radeon_device *rdev = dev->dev_private; 2943 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2944 uint32_t rdp, wdp; 2945 unsigned count, i, j; 2946 2947 radeon_ring_free_size(rdev, ring); 2948 rdp = RREG32(RADEON_CP_RB_RPTR); 2949 wdp = RREG32(RADEON_CP_RB_WPTR); 2950 count = (rdp + ring->ring_size - wdp) & ring->ptr_mask; 2951 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2952 seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp); 2953 seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp); 2954 seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw); 2955 seq_printf(m, "%u dwords in ring\n", count); 2956 if (ring->ready) { 2957 for (j = 0; j <= count; j++) { 2958 i = (rdp + j) & ring->ptr_mask; 2959 seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]); 2960 } 2961 } 2962 return 0; 2963 } 2964 2965 2966 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data) 2967 { 2968 struct drm_info_node *node = (struct drm_info_node *) m->private; 2969 struct drm_device *dev = node->minor->dev; 2970 struct radeon_device *rdev = dev->dev_private; 2971 uint32_t csq_stat, csq2_stat, tmp; 2972 unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr; 2973 unsigned i; 2974 2975 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); 2976 seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE)); 2977 csq_stat = RREG32(RADEON_CP_CSQ_STAT); 2978 csq2_stat = RREG32(RADEON_CP_CSQ2_STAT); 2979 r_rptr = (csq_stat >> 0) & 0x3ff; 2980 r_wptr = (csq_stat >> 10) & 0x3ff; 2981 ib1_rptr = (csq_stat >> 20) & 0x3ff; 2982 ib1_wptr = (csq2_stat >> 0) & 0x3ff; 2983 ib2_rptr = (csq2_stat >> 10) & 0x3ff; 2984 ib2_wptr = (csq2_stat >> 20) & 0x3ff; 2985 seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat); 2986 seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat); 2987 seq_printf(m, "Ring rptr %u\n", r_rptr); 2988 seq_printf(m, "Ring wptr %u\n", r_wptr); 2989 seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr); 2990 seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr); 2991 seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr); 2992 seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr); 2993 /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms 2994 * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */ 2995 seq_printf(m, "Ring fifo:\n"); 2996 for (i = 0; i < 256; i++) { 2997 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 2998 tmp = RREG32(RADEON_CP_CSQ_DATA); 2999 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp); 3000 } 3001 seq_printf(m, "Indirect1 fifo:\n"); 3002 for (i = 256; i <= 512; i++) { 3003 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3004 tmp = RREG32(RADEON_CP_CSQ_DATA); 3005 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp); 3006 } 3007 seq_printf(m, "Indirect2 fifo:\n"); 3008 for (i = 640; i < ib1_wptr; i++) { 3009 WREG32(RADEON_CP_CSQ_ADDR, i << 2); 3010 tmp = RREG32(RADEON_CP_CSQ_DATA); 3011 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp); 3012 } 3013 return 0; 3014 } 3015 3016 static int r100_debugfs_mc_info(struct seq_file *m, void *data) 3017 { 3018 struct drm_info_node *node = (struct drm_info_node *) m->private; 3019 struct drm_device *dev = node->minor->dev; 3020 struct radeon_device *rdev = dev->dev_private; 3021 uint32_t tmp; 3022 3023 tmp = RREG32(RADEON_CONFIG_MEMSIZE); 3024 seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp); 3025 tmp = RREG32(RADEON_MC_FB_LOCATION); 3026 seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp); 3027 tmp = RREG32(RADEON_BUS_CNTL); 3028 seq_printf(m, "BUS_CNTL 0x%08x\n", tmp); 3029 tmp = RREG32(RADEON_MC_AGP_LOCATION); 3030 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp); 3031 tmp = RREG32(RADEON_AGP_BASE); 3032 seq_printf(m, "AGP_BASE 0x%08x\n", tmp); 3033 tmp = RREG32(RADEON_HOST_PATH_CNTL); 3034 seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp); 3035 tmp = RREG32(0x01D0); 3036 seq_printf(m, "AIC_CTRL 0x%08x\n", tmp); 3037 tmp = RREG32(RADEON_AIC_LO_ADDR); 3038 seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp); 3039 tmp = RREG32(RADEON_AIC_HI_ADDR); 3040 seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp); 3041 tmp = RREG32(0x01E4); 3042 seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp); 3043 return 0; 3044 } 3045 3046 static struct drm_info_list r100_debugfs_rbbm_list[] = { 3047 {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL}, 3048 }; 3049 3050 static struct drm_info_list r100_debugfs_cp_list[] = { 3051 {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL}, 3052 {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL}, 3053 }; 3054 3055 static struct drm_info_list r100_debugfs_mc_info_list[] = { 3056 {"r100_mc_info", r100_debugfs_mc_info, 0, NULL}, 3057 }; 3058 #endif 3059 3060 int r100_debugfs_rbbm_init(struct radeon_device *rdev) 3061 { 3062 #if defined(CONFIG_DEBUG_FS) 3063 return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1); 3064 #else 3065 return 0; 3066 #endif 3067 } 3068 3069 int r100_debugfs_cp_init(struct radeon_device *rdev) 3070 { 3071 #if defined(CONFIG_DEBUG_FS) 3072 return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2); 3073 #else 3074 return 0; 3075 #endif 3076 } 3077 3078 int r100_debugfs_mc_info_init(struct radeon_device *rdev) 3079 { 3080 #if defined(CONFIG_DEBUG_FS) 3081 return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1); 3082 #else 3083 return 0; 3084 #endif 3085 } 3086 3087 int r100_set_surface_reg(struct radeon_device *rdev, int reg, 3088 uint32_t tiling_flags, uint32_t pitch, 3089 uint32_t offset, uint32_t obj_size) 3090 { 3091 int surf_index = reg * 16; 3092 int flags = 0; 3093 3094 if (rdev->family <= CHIP_RS200) { 3095 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3096 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3097 flags |= RADEON_SURF_TILE_COLOR_BOTH; 3098 if (tiling_flags & RADEON_TILING_MACRO) 3099 flags |= RADEON_SURF_TILE_COLOR_MACRO; 3100 /* setting pitch to 0 disables tiling */ 3101 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) 3102 == 0) 3103 pitch = 0; 3104 } else if (rdev->family <= CHIP_RV280) { 3105 if (tiling_flags & (RADEON_TILING_MACRO)) 3106 flags |= R200_SURF_TILE_COLOR_MACRO; 3107 if (tiling_flags & RADEON_TILING_MICRO) 3108 flags |= R200_SURF_TILE_COLOR_MICRO; 3109 } else { 3110 if (tiling_flags & RADEON_TILING_MACRO) 3111 flags |= R300_SURF_TILE_MACRO; 3112 if (tiling_flags & RADEON_TILING_MICRO) 3113 flags |= R300_SURF_TILE_MICRO; 3114 } 3115 3116 if (tiling_flags & RADEON_TILING_SWAP_16BIT) 3117 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP; 3118 if (tiling_flags & RADEON_TILING_SWAP_32BIT) 3119 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP; 3120 3121 /* r100/r200 divide by 16 */ 3122 if (rdev->family < CHIP_R300) 3123 flags |= pitch / 16; 3124 else 3125 flags |= pitch / 8; 3126 3127 3128 DRM_DEBUG_KMS("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1); 3129 WREG32(RADEON_SURFACE0_INFO + surf_index, flags); 3130 WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset); 3131 WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1); 3132 return 0; 3133 } 3134 3135 void r100_clear_surface_reg(struct radeon_device *rdev, int reg) 3136 { 3137 int surf_index = reg * 16; 3138 WREG32(RADEON_SURFACE0_INFO + surf_index, 0); 3139 } 3140 3141 void r100_bandwidth_update(struct radeon_device *rdev) 3142 { 3143 fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff; 3144 fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff; 3145 fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff; 3146 fixed20_12 crit_point_ff = {0}; 3147 uint32_t temp, data, mem_trcd, mem_trp, mem_tras; 3148 fixed20_12 memtcas_ff[8] = { 3149 dfixed_init(1), 3150 dfixed_init(2), 3151 dfixed_init(3), 3152 dfixed_init(0), 3153 dfixed_init_half(1), 3154 dfixed_init_half(2), 3155 dfixed_init(0), 3156 }; 3157 fixed20_12 memtcas_rs480_ff[8] = { 3158 dfixed_init(0), 3159 dfixed_init(1), 3160 dfixed_init(2), 3161 dfixed_init(3), 3162 dfixed_init(0), 3163 dfixed_init_half(1), 3164 dfixed_init_half(2), 3165 dfixed_init_half(3), 3166 }; 3167 fixed20_12 memtcas2_ff[8] = { 3168 dfixed_init(0), 3169 dfixed_init(1), 3170 dfixed_init(2), 3171 dfixed_init(3), 3172 dfixed_init(4), 3173 dfixed_init(5), 3174 dfixed_init(6), 3175 dfixed_init(7), 3176 }; 3177 fixed20_12 memtrbs[8] = { 3178 dfixed_init(1), 3179 dfixed_init_half(1), 3180 dfixed_init(2), 3181 dfixed_init_half(2), 3182 dfixed_init(3), 3183 dfixed_init_half(3), 3184 dfixed_init(4), 3185 dfixed_init_half(4) 3186 }; 3187 fixed20_12 memtrbs_r4xx[8] = { 3188 dfixed_init(4), 3189 dfixed_init(5), 3190 dfixed_init(6), 3191 dfixed_init(7), 3192 dfixed_init(8), 3193 dfixed_init(9), 3194 dfixed_init(10), 3195 dfixed_init(11) 3196 }; 3197 fixed20_12 min_mem_eff; 3198 fixed20_12 mc_latency_sclk, mc_latency_mclk, k1; 3199 fixed20_12 cur_latency_mclk, cur_latency_sclk; 3200 fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate = {0}, 3201 disp_drain_rate2, read_return_rate; 3202 fixed20_12 time_disp1_drop_priority; 3203 int c; 3204 int cur_size = 16; /* in octawords */ 3205 int critical_point = 0, critical_point2; 3206 /* uint32_t read_return_rate, time_disp1_drop_priority; */ 3207 int stop_req, max_stop_req; 3208 struct drm_display_mode *mode1 = NULL; 3209 struct drm_display_mode *mode2 = NULL; 3210 uint32_t pixel_bytes1 = 0; 3211 uint32_t pixel_bytes2 = 0; 3212 3213 /* Guess line buffer size to be 8192 pixels */ 3214 u32 lb_size = 8192; 3215 3216 if (!rdev->mode_info.mode_config_initialized) 3217 return; 3218 3219 radeon_update_display_priority(rdev); 3220 3221 if (rdev->mode_info.crtcs[0]->base.enabled) { 3222 const struct drm_framebuffer *fb = 3223 rdev->mode_info.crtcs[0]->base.primary->fb; 3224 3225 mode1 = &rdev->mode_info.crtcs[0]->base.mode; 3226 pixel_bytes1 = fb->format->cpp[0]; 3227 } 3228 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3229 if (rdev->mode_info.crtcs[1]->base.enabled) { 3230 const struct drm_framebuffer *fb = 3231 rdev->mode_info.crtcs[1]->base.primary->fb; 3232 3233 mode2 = &rdev->mode_info.crtcs[1]->base.mode; 3234 pixel_bytes2 = fb->format->cpp[0]; 3235 } 3236 } 3237 3238 min_mem_eff.full = dfixed_const_8(0); 3239 /* get modes */ 3240 if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) { 3241 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER); 3242 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT); 3243 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT); 3244 /* check crtc enables */ 3245 if (mode2) 3246 mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); 3247 if (mode1) 3248 mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT); 3249 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer); 3250 } 3251 3252 /* 3253 * determine is there is enough bw for current mode 3254 */ 3255 sclk_ff = rdev->pm.sclk; 3256 mclk_ff = rdev->pm.mclk; 3257 3258 temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1); 3259 temp_ff.full = dfixed_const(temp); 3260 mem_bw.full = dfixed_mul(mclk_ff, temp_ff); 3261 3262 pix_clk.full = 0; 3263 pix_clk2.full = 0; 3264 peak_disp_bw.full = 0; 3265 if (mode1) { 3266 temp_ff.full = dfixed_const(1000); 3267 pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */ 3268 pix_clk.full = dfixed_div(pix_clk, temp_ff); 3269 temp_ff.full = dfixed_const(pixel_bytes1); 3270 peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff); 3271 } 3272 if (mode2) { 3273 temp_ff.full = dfixed_const(1000); 3274 pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */ 3275 pix_clk2.full = dfixed_div(pix_clk2, temp_ff); 3276 temp_ff.full = dfixed_const(pixel_bytes2); 3277 peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff); 3278 } 3279 3280 mem_bw.full = dfixed_mul(mem_bw, min_mem_eff); 3281 if (peak_disp_bw.full >= mem_bw.full) { 3282 DRM_ERROR("You may not have enough display bandwidth for current mode\n" 3283 "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n"); 3284 } 3285 3286 /* Get values from the EXT_MEM_CNTL register...converting its contents. */ 3287 temp = RREG32(RADEON_MEM_TIMING_CNTL); 3288 if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */ 3289 mem_trcd = ((temp >> 2) & 0x3) + 1; 3290 mem_trp = ((temp & 0x3)) + 1; 3291 mem_tras = ((temp & 0x70) >> 4) + 1; 3292 } else if (rdev->family == CHIP_R300 || 3293 rdev->family == CHIP_R350) { /* r300, r350 */ 3294 mem_trcd = (temp & 0x7) + 1; 3295 mem_trp = ((temp >> 8) & 0x7) + 1; 3296 mem_tras = ((temp >> 11) & 0xf) + 4; 3297 } else if (rdev->family == CHIP_RV350 || 3298 rdev->family == CHIP_RV380) { 3299 /* rv3x0 */ 3300 mem_trcd = (temp & 0x7) + 3; 3301 mem_trp = ((temp >> 8) & 0x7) + 3; 3302 mem_tras = ((temp >> 11) & 0xf) + 6; 3303 } else if (rdev->family == CHIP_R420 || 3304 rdev->family == CHIP_R423 || 3305 rdev->family == CHIP_RV410) { 3306 /* r4xx */ 3307 mem_trcd = (temp & 0xf) + 3; 3308 if (mem_trcd > 15) 3309 mem_trcd = 15; 3310 mem_trp = ((temp >> 8) & 0xf) + 3; 3311 if (mem_trp > 15) 3312 mem_trp = 15; 3313 mem_tras = ((temp >> 12) & 0x1f) + 6; 3314 if (mem_tras > 31) 3315 mem_tras = 31; 3316 } else { /* RV200, R200 */ 3317 mem_trcd = (temp & 0x7) + 1; 3318 mem_trp = ((temp >> 8) & 0x7) + 1; 3319 mem_tras = ((temp >> 12) & 0xf) + 4; 3320 } 3321 /* convert to FF */ 3322 trcd_ff.full = dfixed_const(mem_trcd); 3323 trp_ff.full = dfixed_const(mem_trp); 3324 tras_ff.full = dfixed_const(mem_tras); 3325 3326 /* Get values from the MEM_SDRAM_MODE_REG register...converting its */ 3327 temp = RREG32(RADEON_MEM_SDRAM_MODE_REG); 3328 data = (temp & (7 << 20)) >> 20; 3329 if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) { 3330 if (rdev->family == CHIP_RS480) /* don't think rs400 */ 3331 tcas_ff = memtcas_rs480_ff[data]; 3332 else 3333 tcas_ff = memtcas_ff[data]; 3334 } else 3335 tcas_ff = memtcas2_ff[data]; 3336 3337 if (rdev->family == CHIP_RS400 || 3338 rdev->family == CHIP_RS480) { 3339 /* extra cas latency stored in bits 23-25 0-4 clocks */ 3340 data = (temp >> 23) & 0x7; 3341 if (data < 5) 3342 tcas_ff.full += dfixed_const(data); 3343 } 3344 3345 if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) { 3346 /* on the R300, Tcas is included in Trbs. 3347 */ 3348 temp = RREG32(RADEON_MEM_CNTL); 3349 data = (R300_MEM_NUM_CHANNELS_MASK & temp); 3350 if (data == 1) { 3351 if (R300_MEM_USE_CD_CH_ONLY & temp) { 3352 temp = RREG32(R300_MC_IND_INDEX); 3353 temp &= ~R300_MC_IND_ADDR_MASK; 3354 temp |= R300_MC_READ_CNTL_CD_mcind; 3355 WREG32(R300_MC_IND_INDEX, temp); 3356 temp = RREG32(R300_MC_IND_DATA); 3357 data = (R300_MEM_RBS_POSITION_C_MASK & temp); 3358 } else { 3359 temp = RREG32(R300_MC_READ_CNTL_AB); 3360 data = (R300_MEM_RBS_POSITION_A_MASK & temp); 3361 } 3362 } else { 3363 temp = RREG32(R300_MC_READ_CNTL_AB); 3364 data = (R300_MEM_RBS_POSITION_A_MASK & temp); 3365 } 3366 if (rdev->family == CHIP_RV410 || 3367 rdev->family == CHIP_R420 || 3368 rdev->family == CHIP_R423) 3369 trbs_ff = memtrbs_r4xx[data]; 3370 else 3371 trbs_ff = memtrbs[data]; 3372 tcas_ff.full += trbs_ff.full; 3373 } 3374 3375 sclk_eff_ff.full = sclk_ff.full; 3376 3377 if (rdev->flags & RADEON_IS_AGP) { 3378 fixed20_12 agpmode_ff; 3379 agpmode_ff.full = dfixed_const(radeon_agpmode); 3380 temp_ff.full = dfixed_const_666(16); 3381 sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff); 3382 } 3383 /* TODO PCIE lanes may affect this - agpmode == 16?? */ 3384 3385 if (ASIC_IS_R300(rdev)) { 3386 sclk_delay_ff.full = dfixed_const(250); 3387 } else { 3388 if ((rdev->family == CHIP_RV100) || 3389 rdev->flags & RADEON_IS_IGP) { 3390 if (rdev->mc.vram_is_ddr) 3391 sclk_delay_ff.full = dfixed_const(41); 3392 else 3393 sclk_delay_ff.full = dfixed_const(33); 3394 } else { 3395 if (rdev->mc.vram_width == 128) 3396 sclk_delay_ff.full = dfixed_const(57); 3397 else 3398 sclk_delay_ff.full = dfixed_const(41); 3399 } 3400 } 3401 3402 mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff); 3403 3404 if (rdev->mc.vram_is_ddr) { 3405 if (rdev->mc.vram_width == 32) { 3406 k1.full = dfixed_const(40); 3407 c = 3; 3408 } else { 3409 k1.full = dfixed_const(20); 3410 c = 1; 3411 } 3412 } else { 3413 k1.full = dfixed_const(40); 3414 c = 3; 3415 } 3416 3417 temp_ff.full = dfixed_const(2); 3418 mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff); 3419 temp_ff.full = dfixed_const(c); 3420 mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff); 3421 temp_ff.full = dfixed_const(4); 3422 mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff); 3423 mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff); 3424 mc_latency_mclk.full += k1.full; 3425 3426 mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff); 3427 mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff); 3428 3429 /* 3430 HW cursor time assuming worst case of full size colour cursor. 3431 */ 3432 temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1)))); 3433 temp_ff.full += trcd_ff.full; 3434 if (temp_ff.full < tras_ff.full) 3435 temp_ff.full = tras_ff.full; 3436 cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff); 3437 3438 temp_ff.full = dfixed_const(cur_size); 3439 cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff); 3440 /* 3441 Find the total latency for the display data. 3442 */ 3443 disp_latency_overhead.full = dfixed_const(8); 3444 disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff); 3445 mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full; 3446 mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full; 3447 3448 if (mc_latency_mclk.full > mc_latency_sclk.full) 3449 disp_latency.full = mc_latency_mclk.full; 3450 else 3451 disp_latency.full = mc_latency_sclk.full; 3452 3453 /* setup Max GRPH_STOP_REQ default value */ 3454 if (ASIC_IS_RV100(rdev)) 3455 max_stop_req = 0x5c; 3456 else 3457 max_stop_req = 0x7c; 3458 3459 if (mode1) { 3460 /* CRTC1 3461 Set GRPH_BUFFER_CNTL register using h/w defined optimal values. 3462 GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ] 3463 */ 3464 stop_req = mode1->hdisplay * pixel_bytes1 / 16; 3465 3466 if (stop_req > max_stop_req) 3467 stop_req = max_stop_req; 3468 3469 /* 3470 Find the drain rate of the display buffer. 3471 */ 3472 temp_ff.full = dfixed_const((16/pixel_bytes1)); 3473 disp_drain_rate.full = dfixed_div(pix_clk, temp_ff); 3474 3475 /* 3476 Find the critical point of the display buffer. 3477 */ 3478 crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency); 3479 crit_point_ff.full += dfixed_const_half(0); 3480 3481 critical_point = dfixed_trunc(crit_point_ff); 3482 3483 if (rdev->disp_priority == 2) { 3484 critical_point = 0; 3485 } 3486 3487 /* 3488 The critical point should never be above max_stop_req-4. Setting 3489 GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time. 3490 */ 3491 if (max_stop_req - critical_point < 4) 3492 critical_point = 0; 3493 3494 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) { 3495 /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/ 3496 critical_point = 0x10; 3497 } 3498 3499 temp = RREG32(RADEON_GRPH_BUFFER_CNTL); 3500 temp &= ~(RADEON_GRPH_STOP_REQ_MASK); 3501 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); 3502 temp &= ~(RADEON_GRPH_START_REQ_MASK); 3503 if ((rdev->family == CHIP_R350) && 3504 (stop_req > 0x15)) { 3505 stop_req -= 0x10; 3506 } 3507 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); 3508 temp |= RADEON_GRPH_BUFFER_SIZE; 3509 temp &= ~(RADEON_GRPH_CRITICAL_CNTL | 3510 RADEON_GRPH_CRITICAL_AT_SOF | 3511 RADEON_GRPH_STOP_CNTL); 3512 /* 3513 Write the result into the register. 3514 */ 3515 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) | 3516 (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT))); 3517 3518 #if 0 3519 if ((rdev->family == CHIP_RS400) || 3520 (rdev->family == CHIP_RS480)) { 3521 /* attempt to program RS400 disp regs correctly ??? */ 3522 temp = RREG32(RS400_DISP1_REG_CNTL); 3523 temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK | 3524 RS400_DISP1_STOP_REQ_LEVEL_MASK); 3525 WREG32(RS400_DISP1_REQ_CNTL1, (temp | 3526 (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) | 3527 (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); 3528 temp = RREG32(RS400_DMIF_MEM_CNTL1); 3529 temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK | 3530 RS400_DISP1_CRITICAL_POINT_STOP_MASK); 3531 WREG32(RS400_DMIF_MEM_CNTL1, (temp | 3532 (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) | 3533 (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT))); 3534 } 3535 #endif 3536 3537 DRM_DEBUG_KMS("GRPH_BUFFER_CNTL from to %x\n", 3538 /* (unsigned int)info->SavedReg->grph_buffer_cntl, */ 3539 (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL)); 3540 } 3541 3542 if (mode2) { 3543 u32 grph2_cntl; 3544 stop_req = mode2->hdisplay * pixel_bytes2 / 16; 3545 3546 if (stop_req > max_stop_req) 3547 stop_req = max_stop_req; 3548 3549 /* 3550 Find the drain rate of the display buffer. 3551 */ 3552 temp_ff.full = dfixed_const((16/pixel_bytes2)); 3553 disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff); 3554 3555 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL); 3556 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK); 3557 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); 3558 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK); 3559 if ((rdev->family == CHIP_R350) && 3560 (stop_req > 0x15)) { 3561 stop_req -= 0x10; 3562 } 3563 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); 3564 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE; 3565 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL | 3566 RADEON_GRPH_CRITICAL_AT_SOF | 3567 RADEON_GRPH_STOP_CNTL); 3568 3569 if ((rdev->family == CHIP_RS100) || 3570 (rdev->family == CHIP_RS200)) 3571 critical_point2 = 0; 3572 else { 3573 temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128; 3574 temp_ff.full = dfixed_const(temp); 3575 temp_ff.full = dfixed_mul(mclk_ff, temp_ff); 3576 if (sclk_ff.full < temp_ff.full) 3577 temp_ff.full = sclk_ff.full; 3578 3579 read_return_rate.full = temp_ff.full; 3580 3581 if (mode1) { 3582 temp_ff.full = read_return_rate.full - disp_drain_rate.full; 3583 time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff); 3584 } else { 3585 time_disp1_drop_priority.full = 0; 3586 } 3587 crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full; 3588 crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2); 3589 crit_point_ff.full += dfixed_const_half(0); 3590 3591 critical_point2 = dfixed_trunc(crit_point_ff); 3592 3593 if (rdev->disp_priority == 2) { 3594 critical_point2 = 0; 3595 } 3596 3597 if (max_stop_req - critical_point2 < 4) 3598 critical_point2 = 0; 3599 3600 } 3601 3602 if (critical_point2 == 0 && rdev->family == CHIP_R300) { 3603 /* some R300 cards have problem with this set to 0 */ 3604 critical_point2 = 0x10; 3605 } 3606 3607 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) | 3608 (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT))); 3609 3610 if ((rdev->family == CHIP_RS400) || 3611 (rdev->family == CHIP_RS480)) { 3612 #if 0 3613 /* attempt to program RS400 disp2 regs correctly ??? */ 3614 temp = RREG32(RS400_DISP2_REQ_CNTL1); 3615 temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK | 3616 RS400_DISP2_STOP_REQ_LEVEL_MASK); 3617 WREG32(RS400_DISP2_REQ_CNTL1, (temp | 3618 (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) | 3619 (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); 3620 temp = RREG32(RS400_DISP2_REQ_CNTL2); 3621 temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK | 3622 RS400_DISP2_CRITICAL_POINT_STOP_MASK); 3623 WREG32(RS400_DISP2_REQ_CNTL2, (temp | 3624 (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) | 3625 (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT))); 3626 #endif 3627 WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC); 3628 WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000); 3629 WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC); 3630 WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC); 3631 } 3632 3633 DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n", 3634 (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL)); 3635 } 3636 3637 /* Save number of lines the linebuffer leads before the scanout */ 3638 if (mode1) 3639 rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay); 3640 3641 if (mode2) 3642 rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay); 3643 } 3644 3645 int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 3646 { 3647 uint32_t scratch; 3648 uint32_t tmp = 0; 3649 unsigned i; 3650 int r; 3651 3652 r = radeon_scratch_get(rdev, &scratch); 3653 if (r) { 3654 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 3655 return r; 3656 } 3657 WREG32(scratch, 0xCAFEDEAD); 3658 r = radeon_ring_lock(rdev, ring, 2); 3659 if (r) { 3660 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 3661 radeon_scratch_free(rdev, scratch); 3662 return r; 3663 } 3664 radeon_ring_write(ring, PACKET0(scratch, 0)); 3665 radeon_ring_write(ring, 0xDEADBEEF); 3666 radeon_ring_unlock_commit(rdev, ring, false); 3667 for (i = 0; i < rdev->usec_timeout; i++) { 3668 tmp = RREG32(scratch); 3669 if (tmp == 0xDEADBEEF) { 3670 break; 3671 } 3672 DRM_UDELAY(1); 3673 } 3674 if (i < rdev->usec_timeout) { 3675 DRM_INFO("ring test succeeded in %d usecs\n", i); 3676 } else { 3677 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n", 3678 scratch, tmp); 3679 r = -EINVAL; 3680 } 3681 radeon_scratch_free(rdev, scratch); 3682 return r; 3683 } 3684 3685 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3686 { 3687 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 3688 3689 if (ring->rptr_save_reg) { 3690 u32 next_rptr = ring->wptr + 2 + 3; 3691 radeon_ring_write(ring, PACKET0(ring->rptr_save_reg, 0)); 3692 radeon_ring_write(ring, next_rptr); 3693 } 3694 3695 radeon_ring_write(ring, PACKET0(RADEON_CP_IB_BASE, 1)); 3696 radeon_ring_write(ring, ib->gpu_addr); 3697 radeon_ring_write(ring, ib->length_dw); 3698 } 3699 3700 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3701 { 3702 struct radeon_ib ib; 3703 uint32_t scratch; 3704 uint32_t tmp = 0; 3705 unsigned i; 3706 int r; 3707 3708 r = radeon_scratch_get(rdev, &scratch); 3709 if (r) { 3710 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3711 return r; 3712 } 3713 WREG32(scratch, 0xCAFEDEAD); 3714 r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256); 3715 if (r) { 3716 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3717 goto free_scratch; 3718 } 3719 ib.ptr[0] = PACKET0(scratch, 0); 3720 ib.ptr[1] = 0xDEADBEEF; 3721 ib.ptr[2] = PACKET2(0); 3722 ib.ptr[3] = PACKET2(0); 3723 ib.ptr[4] = PACKET2(0); 3724 ib.ptr[5] = PACKET2(0); 3725 ib.ptr[6] = PACKET2(0); 3726 ib.ptr[7] = PACKET2(0); 3727 ib.length_dw = 8; 3728 r = radeon_ib_schedule(rdev, &ib, NULL, false); 3729 if (r) { 3730 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3731 goto free_ib; 3732 } 3733 r = radeon_fence_wait_timeout(ib.fence, false, usecs_to_jiffies( 3734 RADEON_USEC_IB_TEST_TIMEOUT)); 3735 if (r < 0) { 3736 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3737 goto free_ib; 3738 } else if (r == 0) { 3739 DRM_ERROR("radeon: fence wait timed out.\n"); 3740 r = -ETIMEDOUT; 3741 goto free_ib; 3742 } 3743 r = 0; 3744 for (i = 0; i < rdev->usec_timeout; i++) { 3745 tmp = RREG32(scratch); 3746 if (tmp == 0xDEADBEEF) { 3747 break; 3748 } 3749 DRM_UDELAY(1); 3750 } 3751 if (i < rdev->usec_timeout) { 3752 DRM_INFO("ib test succeeded in %u usecs\n", i); 3753 } else { 3754 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3755 scratch, tmp); 3756 r = -EINVAL; 3757 } 3758 free_ib: 3759 radeon_ib_free(rdev, &ib); 3760 free_scratch: 3761 radeon_scratch_free(rdev, scratch); 3762 return r; 3763 } 3764 3765 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save) 3766 { 3767 /* Shutdown CP we shouldn't need to do that but better be safe than 3768 * sorry 3769 */ 3770 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 3771 WREG32(R_000740_CP_CSQ_CNTL, 0); 3772 3773 /* Save few CRTC registers */ 3774 save->GENMO_WT = RREG8(R_0003C2_GENMO_WT); 3775 save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL); 3776 save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL); 3777 save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET); 3778 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3779 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL); 3780 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET); 3781 } 3782 3783 /* Disable VGA aperture access */ 3784 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT); 3785 /* Disable cursor, overlay, crtc */ 3786 WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1)); 3787 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL | 3788 S_000054_CRTC_DISPLAY_DIS(1)); 3789 WREG32(R_000050_CRTC_GEN_CNTL, 3790 (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) | 3791 S_000050_CRTC_DISP_REQ_EN_B(1)); 3792 WREG32(R_000420_OV0_SCALE_CNTL, 3793 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL)); 3794 WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET); 3795 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3796 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET | 3797 S_000360_CUR2_LOCK(1)); 3798 WREG32(R_0003F8_CRTC2_GEN_CNTL, 3799 (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) | 3800 S_0003F8_CRTC2_DISPLAY_DIS(1) | 3801 S_0003F8_CRTC2_DISP_REQ_EN_B(1)); 3802 WREG32(R_000360_CUR2_OFFSET, 3803 C_000360_CUR2_LOCK & save->CUR2_OFFSET); 3804 } 3805 } 3806 3807 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save) 3808 { 3809 /* Update base address for crtc */ 3810 WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start); 3811 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3812 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start); 3813 } 3814 /* Restore CRTC registers */ 3815 WREG8(R_0003C2_GENMO_WT, save->GENMO_WT); 3816 WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL); 3817 WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL); 3818 if (!(rdev->flags & RADEON_SINGLE_CRTC)) { 3819 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL); 3820 } 3821 } 3822 3823 void r100_vga_render_disable(struct radeon_device *rdev) 3824 { 3825 u32 tmp; 3826 3827 tmp = RREG8(R_0003C2_GENMO_WT); 3828 WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp); 3829 } 3830 3831 static void r100_debugfs(struct radeon_device *rdev) 3832 { 3833 int r; 3834 3835 r = r100_debugfs_mc_info_init(rdev); 3836 if (r) 3837 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n"); 3838 } 3839 3840 static void r100_mc_program(struct radeon_device *rdev) 3841 { 3842 struct r100_mc_save save; 3843 3844 /* Stops all mc clients */ 3845 r100_mc_stop(rdev, &save); 3846 if (rdev->flags & RADEON_IS_AGP) { 3847 WREG32(R_00014C_MC_AGP_LOCATION, 3848 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) | 3849 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 3850 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 3851 if (rdev->family > CHIP_RV200) 3852 WREG32(R_00015C_AGP_BASE_2, 3853 upper_32_bits(rdev->mc.agp_base) & 0xff); 3854 } else { 3855 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF); 3856 WREG32(R_000170_AGP_BASE, 0); 3857 if (rdev->family > CHIP_RV200) 3858 WREG32(R_00015C_AGP_BASE_2, 0); 3859 } 3860 /* Wait for mc idle */ 3861 if (r100_mc_wait_for_idle(rdev)) 3862 dev_warn(rdev->dev, "Wait for MC idle timeout.\n"); 3863 /* Program MC, should be a 32bits limited address space */ 3864 WREG32(R_000148_MC_FB_LOCATION, 3865 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) | 3866 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16)); 3867 r100_mc_resume(rdev, &save); 3868 } 3869 3870 static void r100_clock_startup(struct radeon_device *rdev) 3871 { 3872 u32 tmp; 3873 3874 if (radeon_dynclks != -1 && radeon_dynclks) 3875 radeon_legacy_set_clock_gating(rdev, 1); 3876 /* We need to force on some of the block */ 3877 tmp = RREG32_PLL(R_00000D_SCLK_CNTL); 3878 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1); 3879 if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280)) 3880 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1); 3881 WREG32_PLL(R_00000D_SCLK_CNTL, tmp); 3882 } 3883 3884 static int r100_startup(struct radeon_device *rdev) 3885 { 3886 int r; 3887 3888 /* set common regs */ 3889 r100_set_common_regs(rdev); 3890 /* program mc */ 3891 r100_mc_program(rdev); 3892 /* Resume clock */ 3893 r100_clock_startup(rdev); 3894 /* Initialize GART (initialize after TTM so we can allocate 3895 * memory through TTM but finalize after TTM) */ 3896 r100_enable_bm(rdev); 3897 if (rdev->flags & RADEON_IS_PCI) { 3898 r = r100_pci_gart_enable(rdev); 3899 if (r) 3900 return r; 3901 } 3902 3903 /* allocate wb buffer */ 3904 r = radeon_wb_init(rdev); 3905 if (r) 3906 return r; 3907 3908 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 3909 if (r) { 3910 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 3911 return r; 3912 } 3913 3914 /* Enable IRQ */ 3915 if (!rdev->irq.installed) { 3916 r = radeon_irq_kms_init(rdev); 3917 if (r) 3918 return r; 3919 } 3920 3921 r100_irq_set(rdev); 3922 rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 3923 /* 1M ring buffer */ 3924 r = r100_cp_init(rdev, 1024 * 1024); 3925 if (r) { 3926 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 3927 return r; 3928 } 3929 3930 r = radeon_ib_pool_init(rdev); 3931 if (r) { 3932 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 3933 return r; 3934 } 3935 3936 return 0; 3937 } 3938 3939 int r100_resume(struct radeon_device *rdev) 3940 { 3941 int r; 3942 3943 /* Make sur GART are not working */ 3944 if (rdev->flags & RADEON_IS_PCI) 3945 r100_pci_gart_disable(rdev); 3946 /* Resume clock before doing reset */ 3947 r100_clock_startup(rdev); 3948 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 3949 if (radeon_asic_reset(rdev)) { 3950 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 3951 RREG32(R_000E40_RBBM_STATUS), 3952 RREG32(R_0007C0_CP_STAT)); 3953 } 3954 /* post */ 3955 radeon_combios_asic_init(rdev->ddev); 3956 /* Resume clock after posting */ 3957 r100_clock_startup(rdev); 3958 /* Initialize surface registers */ 3959 radeon_surface_init(rdev); 3960 3961 rdev->accel_working = true; 3962 r = r100_startup(rdev); 3963 if (r) { 3964 rdev->accel_working = false; 3965 } 3966 return r; 3967 } 3968 3969 int r100_suspend(struct radeon_device *rdev) 3970 { 3971 radeon_pm_suspend(rdev); 3972 r100_cp_disable(rdev); 3973 radeon_wb_disable(rdev); 3974 r100_irq_disable(rdev); 3975 if (rdev->flags & RADEON_IS_PCI) 3976 r100_pci_gart_disable(rdev); 3977 return 0; 3978 } 3979 3980 void r100_fini(struct radeon_device *rdev) 3981 { 3982 radeon_pm_fini(rdev); 3983 r100_cp_fini(rdev); 3984 radeon_wb_fini(rdev); 3985 radeon_ib_pool_fini(rdev); 3986 radeon_gem_fini(rdev); 3987 if (rdev->flags & RADEON_IS_PCI) 3988 r100_pci_gart_fini(rdev); 3989 radeon_agp_fini(rdev); 3990 radeon_irq_kms_fini(rdev); 3991 radeon_fence_driver_fini(rdev); 3992 radeon_bo_fini(rdev); 3993 radeon_atombios_fini(rdev); 3994 kfree(rdev->bios); 3995 rdev->bios = NULL; 3996 } 3997 3998 /* 3999 * Due to how kexec works, it can leave the hw fully initialised when it 4000 * boots the new kernel. However doing our init sequence with the CP and 4001 * WB stuff setup causes GPU hangs on the RN50 at least. So at startup 4002 * do some quick sanity checks and restore sane values to avoid this 4003 * problem. 4004 */ 4005 void r100_restore_sanity(struct radeon_device *rdev) 4006 { 4007 u32 tmp; 4008 4009 tmp = RREG32(RADEON_CP_CSQ_CNTL); 4010 if (tmp) { 4011 WREG32(RADEON_CP_CSQ_CNTL, 0); 4012 } 4013 tmp = RREG32(RADEON_CP_RB_CNTL); 4014 if (tmp) { 4015 WREG32(RADEON_CP_RB_CNTL, 0); 4016 } 4017 tmp = RREG32(RADEON_SCRATCH_UMSK); 4018 if (tmp) { 4019 WREG32(RADEON_SCRATCH_UMSK, 0); 4020 } 4021 } 4022 4023 int r100_init(struct radeon_device *rdev) 4024 { 4025 int r; 4026 4027 /* Register debugfs file specific to this group of asics */ 4028 r100_debugfs(rdev); 4029 /* Disable VGA */ 4030 r100_vga_render_disable(rdev); 4031 /* Initialize scratch registers */ 4032 radeon_scratch_init(rdev); 4033 /* Initialize surface registers */ 4034 radeon_surface_init(rdev); 4035 /* sanity check some register to avoid hangs like after kexec */ 4036 r100_restore_sanity(rdev); 4037 /* TODO: disable VGA need to use VGA request */ 4038 /* BIOS*/ 4039 if (!radeon_get_bios(rdev)) { 4040 if (ASIC_IS_AVIVO(rdev)) 4041 return -EINVAL; 4042 } 4043 if (rdev->is_atom_bios) { 4044 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n"); 4045 return -EINVAL; 4046 } else { 4047 r = radeon_combios_init(rdev); 4048 if (r) 4049 return r; 4050 } 4051 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 4052 if (radeon_asic_reset(rdev)) { 4053 dev_warn(rdev->dev, 4054 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 4055 RREG32(R_000E40_RBBM_STATUS), 4056 RREG32(R_0007C0_CP_STAT)); 4057 } 4058 /* check if cards are posted or not */ 4059 if (radeon_boot_test_post_card(rdev) == false) 4060 return -EINVAL; 4061 /* Set asic errata */ 4062 r100_errata(rdev); 4063 /* Initialize clocks */ 4064 radeon_get_clock_info(rdev->ddev); 4065 /* initialize AGP */ 4066 if (rdev->flags & RADEON_IS_AGP) { 4067 r = radeon_agp_init(rdev); 4068 if (r) { 4069 radeon_agp_disable(rdev); 4070 } 4071 } 4072 /* initialize VRAM */ 4073 r100_mc_init(rdev); 4074 /* Fence driver */ 4075 r = radeon_fence_driver_init(rdev); 4076 if (r) 4077 return r; 4078 /* Memory manager */ 4079 r = radeon_bo_init(rdev); 4080 if (r) 4081 return r; 4082 if (rdev->flags & RADEON_IS_PCI) { 4083 r = r100_pci_gart_init(rdev); 4084 if (r) 4085 return r; 4086 } 4087 r100_set_safe_registers(rdev); 4088 4089 /* Initialize power management */ 4090 radeon_pm_init(rdev); 4091 4092 rdev->accel_working = true; 4093 r = r100_startup(rdev); 4094 if (r) { 4095 /* Somethings want wront with the accel init stop accel */ 4096 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 4097 r100_cp_fini(rdev); 4098 radeon_wb_fini(rdev); 4099 radeon_ib_pool_fini(rdev); 4100 radeon_irq_kms_fini(rdev); 4101 if (rdev->flags & RADEON_IS_PCI) 4102 r100_pci_gart_fini(rdev); 4103 rdev->accel_working = false; 4104 } 4105 return 0; 4106 } 4107 4108 uint32_t r100_mm_rreg_slow(struct radeon_device *rdev, uint32_t reg) 4109 { 4110 unsigned long flags; 4111 uint32_t ret; 4112 4113 spin_lock_irqsave(&rdev->mmio_idx_lock, flags); 4114 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); 4115 ret = readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); 4116 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags); 4117 return ret; 4118 } 4119 4120 void r100_mm_wreg_slow(struct radeon_device *rdev, uint32_t reg, uint32_t v) 4121 { 4122 unsigned long flags; 4123 4124 spin_lock_irqsave(&rdev->mmio_idx_lock, flags); 4125 writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX); 4126 writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA); 4127 spin_unlock_irqrestore(&rdev->mmio_idx_lock, flags); 4128 } 4129 4130 u32 r100_io_rreg(struct radeon_device *rdev, u32 reg) 4131 { 4132 if (reg < rdev->rio_mem_size) 4133 return ioread32(rdev->rio_mem + reg); 4134 else { 4135 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX); 4136 return ioread32(rdev->rio_mem + RADEON_MM_DATA); 4137 } 4138 } 4139 4140 void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v) 4141 { 4142 if (reg < rdev->rio_mem_size) 4143 iowrite32(v, rdev->rio_mem + reg); 4144 else { 4145 iowrite32(reg, rdev->rio_mem + RADEON_MM_INDEX); 4146 iowrite32(v, rdev->rio_mem + RADEON_MM_DATA); 4147 } 4148 } 4149