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 /* RS600 / Radeon X1250/X1270 integrated GPU 29 * 30 * This file gather function specific to RS600 which is the IGP of 31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740 32 * is the X1250/X1270 supporting AMD CPU). The display engine are 33 * the avivo one, bios is an atombios, 3D block are the one of the 34 * R4XX family. The GART is different from the RS400 one and is very 35 * close to the one of the R600 family (R600 likely being an evolution 36 * of the RS600 GART block). 37 */ 38 39 #include <linux/io-64-nonatomic-lo-hi.h> 40 41 #include <drm/drm_device.h> 42 #include <drm/drm_pci.h> 43 #include <drm/drm_vblank.h> 44 45 #include "atom.h" 46 #include "radeon.h" 47 #include "radeon_asic.h" 48 #include "radeon_audio.h" 49 #include "rs600_reg_safe.h" 50 #include "rs600d.h" 51 52 static void rs600_gpu_init(struct radeon_device *rdev); 53 int rs600_mc_wait_for_idle(struct radeon_device *rdev); 54 55 static const u32 crtc_offsets[2] = 56 { 57 0, 58 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 59 }; 60 61 static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc) 62 { 63 if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK) 64 return true; 65 else 66 return false; 67 } 68 69 static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc) 70 { 71 u32 pos1, pos2; 72 73 pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); 74 pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); 75 76 if (pos1 != pos2) 77 return true; 78 else 79 return false; 80 } 81 82 /** 83 * avivo_wait_for_vblank - vblank wait asic callback. 84 * 85 * @rdev: radeon_device pointer 86 * @crtc: crtc to wait for vblank on 87 * 88 * Wait for vblank on the requested crtc (r5xx-r7xx). 89 */ 90 void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc) 91 { 92 unsigned i = 0; 93 94 if (crtc >= rdev->num_crtc) 95 return; 96 97 if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN)) 98 return; 99 100 /* depending on when we hit vblank, we may be close to active; if so, 101 * wait for another frame. 102 */ 103 while (avivo_is_in_vblank(rdev, crtc)) { 104 if (i++ % 100 == 0) { 105 if (!avivo_is_counter_moving(rdev, crtc)) 106 break; 107 } 108 } 109 110 while (!avivo_is_in_vblank(rdev, crtc)) { 111 if (i++ % 100 == 0) { 112 if (!avivo_is_counter_moving(rdev, crtc)) 113 break; 114 } 115 } 116 } 117 118 void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) 119 { 120 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 121 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); 122 int i; 123 124 /* Lock the graphics update lock */ 125 tmp |= AVIVO_D1GRPH_UPDATE_LOCK; 126 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 127 128 /* update the scanout addresses */ 129 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 130 async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0); 131 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 132 (u32)crtc_base); 133 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 134 (u32)crtc_base); 135 136 /* Wait for update_pending to go high. */ 137 for (i = 0; i < rdev->usec_timeout; i++) { 138 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) 139 break; 140 udelay(1); 141 } 142 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 143 144 /* Unlock the lock, so double-buffering can take place inside vblank */ 145 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; 146 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 147 } 148 149 bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id) 150 { 151 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 152 153 /* Return current update_pending status: */ 154 return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & 155 AVIVO_D1GRPH_SURFACE_UPDATE_PENDING); 156 } 157 158 void avivo_program_fmt(struct drm_encoder *encoder) 159 { 160 struct drm_device *dev = encoder->dev; 161 struct radeon_device *rdev = dev->dev_private; 162 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 163 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 164 int bpc = 0; 165 u32 tmp = 0; 166 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; 167 168 if (connector) { 169 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 170 bpc = radeon_get_monitor_bpc(connector); 171 dither = radeon_connector->dither; 172 } 173 174 /* LVDS FMT is set up by atom */ 175 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 176 return; 177 178 if (bpc == 0) 179 return; 180 181 switch (bpc) { 182 case 6: 183 if (dither == RADEON_FMT_DITHER_ENABLE) 184 /* XXX sort out optimal dither settings */ 185 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN; 186 else 187 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN; 188 break; 189 case 8: 190 if (dither == RADEON_FMT_DITHER_ENABLE) 191 /* XXX sort out optimal dither settings */ 192 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN | 193 AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH); 194 else 195 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN | 196 AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH); 197 break; 198 case 10: 199 default: 200 /* not needed */ 201 break; 202 } 203 204 switch (radeon_encoder->encoder_id) { 205 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 206 WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp); 207 break; 208 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 209 WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp); 210 break; 211 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 212 WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp); 213 break; 214 case ENCODER_OBJECT_ID_INTERNAL_DDI: 215 WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp); 216 break; 217 default: 218 break; 219 } 220 } 221 222 void rs600_pm_misc(struct radeon_device *rdev) 223 { 224 int requested_index = rdev->pm.requested_power_state_index; 225 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; 226 struct radeon_voltage *voltage = &ps->clock_info[0].voltage; 227 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl; 228 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl; 229 230 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { 231 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { 232 tmp = RREG32(voltage->gpio.reg); 233 if (voltage->active_high) 234 tmp |= voltage->gpio.mask; 235 else 236 tmp &= ~(voltage->gpio.mask); 237 WREG32(voltage->gpio.reg, tmp); 238 if (voltage->delay) 239 udelay(voltage->delay); 240 } else { 241 tmp = RREG32(voltage->gpio.reg); 242 if (voltage->active_high) 243 tmp &= ~voltage->gpio.mask; 244 else 245 tmp |= voltage->gpio.mask; 246 WREG32(voltage->gpio.reg, tmp); 247 if (voltage->delay) 248 udelay(voltage->delay); 249 } 250 } else if (voltage->type == VOLTAGE_VDDC) 251 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC); 252 253 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH); 254 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf); 255 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf); 256 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { 257 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) { 258 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2); 259 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2); 260 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) { 261 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4); 262 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4); 263 } 264 } else { 265 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1); 266 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1); 267 } 268 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length); 269 270 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL); 271 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { 272 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP; 273 if (voltage->delay) { 274 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC; 275 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay); 276 } else 277 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC; 278 } else 279 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP; 280 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl); 281 282 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL); 283 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) 284 hdp_dyn_cntl &= ~HDP_FORCEON; 285 else 286 hdp_dyn_cntl |= HDP_FORCEON; 287 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl); 288 #if 0 289 /* mc_host_dyn seems to cause hangs from time to time */ 290 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL); 291 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN) 292 mc_host_dyn_cntl &= ~MC_HOST_FORCEON; 293 else 294 mc_host_dyn_cntl |= MC_HOST_FORCEON; 295 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl); 296 #endif 297 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL); 298 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN) 299 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN; 300 else 301 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN; 302 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl); 303 304 /* set pcie lanes */ 305 if ((rdev->flags & RADEON_IS_PCIE) && 306 !(rdev->flags & RADEON_IS_IGP) && 307 rdev->asic->pm.set_pcie_lanes && 308 (ps->pcie_lanes != 309 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { 310 radeon_set_pcie_lanes(rdev, 311 ps->pcie_lanes); 312 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes); 313 } 314 } 315 316 void rs600_pm_prepare(struct radeon_device *rdev) 317 { 318 struct drm_device *ddev = rdev->ddev; 319 struct drm_crtc *crtc; 320 struct radeon_crtc *radeon_crtc; 321 u32 tmp; 322 323 /* disable any active CRTCs */ 324 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 325 radeon_crtc = to_radeon_crtc(crtc); 326 if (radeon_crtc->enabled) { 327 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); 328 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 329 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 330 } 331 } 332 } 333 334 void rs600_pm_finish(struct radeon_device *rdev) 335 { 336 struct drm_device *ddev = rdev->ddev; 337 struct drm_crtc *crtc; 338 struct radeon_crtc *radeon_crtc; 339 u32 tmp; 340 341 /* enable any active CRTCs */ 342 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 343 radeon_crtc = to_radeon_crtc(crtc); 344 if (radeon_crtc->enabled) { 345 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); 346 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 347 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 348 } 349 } 350 } 351 352 /* hpd for digital panel detect/disconnect */ 353 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 354 { 355 u32 tmp; 356 bool connected = false; 357 358 switch (hpd) { 359 case RADEON_HPD_1: 360 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS); 361 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp)) 362 connected = true; 363 break; 364 case RADEON_HPD_2: 365 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS); 366 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp)) 367 connected = true; 368 break; 369 default: 370 break; 371 } 372 return connected; 373 } 374 375 void rs600_hpd_set_polarity(struct radeon_device *rdev, 376 enum radeon_hpd_id hpd) 377 { 378 u32 tmp; 379 bool connected = rs600_hpd_sense(rdev, hpd); 380 381 switch (hpd) { 382 case RADEON_HPD_1: 383 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); 384 if (connected) 385 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); 386 else 387 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); 388 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 389 break; 390 case RADEON_HPD_2: 391 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); 392 if (connected) 393 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); 394 else 395 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); 396 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 397 break; 398 default: 399 break; 400 } 401 } 402 403 void rs600_hpd_init(struct radeon_device *rdev) 404 { 405 struct drm_device *dev = rdev->ddev; 406 struct drm_connector *connector; 407 unsigned enable = 0; 408 409 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 410 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 411 switch (radeon_connector->hpd.hpd) { 412 case RADEON_HPD_1: 413 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, 414 S_007D00_DC_HOT_PLUG_DETECT1_EN(1)); 415 break; 416 case RADEON_HPD_2: 417 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, 418 S_007D10_DC_HOT_PLUG_DETECT2_EN(1)); 419 break; 420 default: 421 break; 422 } 423 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 424 enable |= 1 << radeon_connector->hpd.hpd; 425 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 426 } 427 radeon_irq_kms_enable_hpd(rdev, enable); 428 } 429 430 void rs600_hpd_fini(struct radeon_device *rdev) 431 { 432 struct drm_device *dev = rdev->ddev; 433 struct drm_connector *connector; 434 unsigned disable = 0; 435 436 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 437 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 438 switch (radeon_connector->hpd.hpd) { 439 case RADEON_HPD_1: 440 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, 441 S_007D00_DC_HOT_PLUG_DETECT1_EN(0)); 442 break; 443 case RADEON_HPD_2: 444 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, 445 S_007D10_DC_HOT_PLUG_DETECT2_EN(0)); 446 break; 447 default: 448 break; 449 } 450 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 451 disable |= 1 << radeon_connector->hpd.hpd; 452 } 453 radeon_irq_kms_disable_hpd(rdev, disable); 454 } 455 456 int rs600_asic_reset(struct radeon_device *rdev, bool hard) 457 { 458 struct rv515_mc_save save; 459 u32 status, tmp; 460 int ret = 0; 461 462 status = RREG32(R_000E40_RBBM_STATUS); 463 if (!G_000E40_GUI_ACTIVE(status)) { 464 return 0; 465 } 466 /* Stops all mc clients */ 467 rv515_mc_stop(rdev, &save); 468 status = RREG32(R_000E40_RBBM_STATUS); 469 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 470 /* stop CP */ 471 WREG32(RADEON_CP_CSQ_CNTL, 0); 472 tmp = RREG32(RADEON_CP_RB_CNTL); 473 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 474 WREG32(RADEON_CP_RB_RPTR_WR, 0); 475 WREG32(RADEON_CP_RB_WPTR, 0); 476 WREG32(RADEON_CP_RB_CNTL, tmp); 477 pci_save_state(rdev->pdev); 478 /* disable bus mastering */ 479 pci_clear_master(rdev->pdev); 480 mdelay(1); 481 /* reset GA+VAP */ 482 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | 483 S_0000F0_SOFT_RESET_GA(1)); 484 RREG32(R_0000F0_RBBM_SOFT_RESET); 485 mdelay(500); 486 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 487 mdelay(1); 488 status = RREG32(R_000E40_RBBM_STATUS); 489 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 490 /* reset CP */ 491 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 492 RREG32(R_0000F0_RBBM_SOFT_RESET); 493 mdelay(500); 494 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 495 mdelay(1); 496 status = RREG32(R_000E40_RBBM_STATUS); 497 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 498 /* reset MC */ 499 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1)); 500 RREG32(R_0000F0_RBBM_SOFT_RESET); 501 mdelay(500); 502 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 503 mdelay(1); 504 status = RREG32(R_000E40_RBBM_STATUS); 505 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 506 /* restore PCI & busmastering */ 507 pci_restore_state(rdev->pdev); 508 /* Check if GPU is idle */ 509 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { 510 dev_err(rdev->dev, "failed to reset GPU\n"); 511 ret = -1; 512 } else 513 dev_info(rdev->dev, "GPU reset succeed\n"); 514 rv515_mc_resume(rdev, &save); 515 return ret; 516 } 517 518 /* 519 * GART. 520 */ 521 void rs600_gart_tlb_flush(struct radeon_device *rdev) 522 { 523 uint32_t tmp; 524 525 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 526 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; 527 WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 528 529 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 530 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1); 531 WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 532 533 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 534 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; 535 WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 536 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 537 } 538 539 static int rs600_gart_init(struct radeon_device *rdev) 540 { 541 int r; 542 543 if (rdev->gart.robj) { 544 WARN(1, "RS600 GART already initialized\n"); 545 return 0; 546 } 547 /* Initialize common gart structure */ 548 r = radeon_gart_init(rdev); 549 if (r) { 550 return r; 551 } 552 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 553 return radeon_gart_table_vram_alloc(rdev); 554 } 555 556 static int rs600_gart_enable(struct radeon_device *rdev) 557 { 558 u32 tmp; 559 int r, i; 560 561 if (rdev->gart.robj == NULL) { 562 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 563 return -EINVAL; 564 } 565 r = radeon_gart_table_vram_pin(rdev); 566 if (r) 567 return r; 568 /* Enable bus master */ 569 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; 570 WREG32(RADEON_BUS_CNTL, tmp); 571 /* FIXME: setup default page */ 572 WREG32_MC(R_000100_MC_PT0_CNTL, 573 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) | 574 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6))); 575 576 for (i = 0; i < 19; i++) { 577 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i, 578 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) | 579 S_00016C_SYSTEM_ACCESS_MODE_MASK( 580 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) | 581 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS( 582 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) | 583 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) | 584 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) | 585 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3)); 586 } 587 /* enable first context */ 588 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL, 589 S_000102_ENABLE_PAGE_TABLE(1) | 590 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT)); 591 592 /* disable all other contexts */ 593 for (i = 1; i < 8; i++) 594 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0); 595 596 /* setup the page table */ 597 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR, 598 rdev->gart.table_addr); 599 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start); 600 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end); 601 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0); 602 603 /* System context maps to VRAM space */ 604 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start); 605 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end); 606 607 /* enable page tables */ 608 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 609 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1))); 610 tmp = RREG32_MC(R_000009_MC_CNTL1); 611 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1))); 612 rs600_gart_tlb_flush(rdev); 613 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 614 (unsigned)(rdev->mc.gtt_size >> 20), 615 (unsigned long long)rdev->gart.table_addr); 616 rdev->gart.ready = true; 617 return 0; 618 } 619 620 static void rs600_gart_disable(struct radeon_device *rdev) 621 { 622 u32 tmp; 623 624 /* FIXME: disable out of gart access */ 625 WREG32_MC(R_000100_MC_PT0_CNTL, 0); 626 tmp = RREG32_MC(R_000009_MC_CNTL1); 627 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES); 628 radeon_gart_table_vram_unpin(rdev); 629 } 630 631 static void rs600_gart_fini(struct radeon_device *rdev) 632 { 633 radeon_gart_fini(rdev); 634 rs600_gart_disable(rdev); 635 radeon_gart_table_vram_free(rdev); 636 } 637 638 uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags) 639 { 640 addr = addr & 0xFFFFFFFFFFFFF000ULL; 641 addr |= R600_PTE_SYSTEM; 642 if (flags & RADEON_GART_PAGE_VALID) 643 addr |= R600_PTE_VALID; 644 if (flags & RADEON_GART_PAGE_READ) 645 addr |= R600_PTE_READABLE; 646 if (flags & RADEON_GART_PAGE_WRITE) 647 addr |= R600_PTE_WRITEABLE; 648 if (flags & RADEON_GART_PAGE_SNOOP) 649 addr |= R600_PTE_SNOOPED; 650 return addr; 651 } 652 653 void rs600_gart_set_page(struct radeon_device *rdev, unsigned i, 654 uint64_t entry) 655 { 656 void __iomem *ptr = (void *)rdev->gart.ptr; 657 writeq(entry, ptr + (i * 8)); 658 } 659 660 int rs600_irq_set(struct radeon_device *rdev) 661 { 662 uint32_t tmp = 0; 663 uint32_t mode_int = 0; 664 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) & 665 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); 666 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) & 667 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); 668 u32 hdmi0; 669 if (ASIC_IS_DCE2(rdev)) 670 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & 671 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 672 else 673 hdmi0 = 0; 674 675 if (!rdev->irq.installed) { 676 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 677 WREG32(R_000040_GEN_INT_CNTL, 0); 678 return -EINVAL; 679 } 680 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 681 tmp |= S_000040_SW_INT_EN(1); 682 } 683 if (rdev->irq.crtc_vblank_int[0] || 684 atomic_read(&rdev->irq.pflip[0])) { 685 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1); 686 } 687 if (rdev->irq.crtc_vblank_int[1] || 688 atomic_read(&rdev->irq.pflip[1])) { 689 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1); 690 } 691 if (rdev->irq.hpd[0]) { 692 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); 693 } 694 if (rdev->irq.hpd[1]) { 695 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); 696 } 697 if (rdev->irq.afmt[0]) { 698 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 699 } 700 WREG32(R_000040_GEN_INT_CNTL, tmp); 701 WREG32(R_006540_DxMODE_INT_MASK, mode_int); 702 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 703 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 704 if (ASIC_IS_DCE2(rdev)) 705 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 706 707 /* posting read */ 708 RREG32(R_000040_GEN_INT_CNTL); 709 710 return 0; 711 } 712 713 static inline u32 rs600_irq_ack(struct radeon_device *rdev) 714 { 715 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS); 716 uint32_t irq_mask = S_000044_SW_INT(1); 717 u32 tmp; 718 719 if (G_000044_DISPLAY_INT_STAT(irqs)) { 720 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS); 721 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 722 WREG32(R_006534_D1MODE_VBLANK_STATUS, 723 S_006534_D1MODE_VBLANK_ACK(1)); 724 } 725 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 726 WREG32(R_006D34_D2MODE_VBLANK_STATUS, 727 S_006D34_D2MODE_VBLANK_ACK(1)); 728 } 729 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 730 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); 731 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1); 732 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 733 } 734 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 735 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); 736 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1); 737 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 738 } 739 } else { 740 rdev->irq.stat_regs.r500.disp_int = 0; 741 } 742 743 if (ASIC_IS_DCE2(rdev)) { 744 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) & 745 S_007404_HDMI0_AZ_FORMAT_WTRIG(1); 746 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { 747 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL); 748 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1); 749 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp); 750 } 751 } else 752 rdev->irq.stat_regs.r500.hdmi0_status = 0; 753 754 if (irqs) { 755 WREG32(R_000044_GEN_INT_STATUS, irqs); 756 } 757 return irqs & irq_mask; 758 } 759 760 void rs600_irq_disable(struct radeon_device *rdev) 761 { 762 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & 763 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 764 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 765 WREG32(R_000040_GEN_INT_CNTL, 0); 766 WREG32(R_006540_DxMODE_INT_MASK, 0); 767 /* Wait and acknowledge irq */ 768 mdelay(1); 769 rs600_irq_ack(rdev); 770 } 771 772 int rs600_irq_process(struct radeon_device *rdev) 773 { 774 u32 status, msi_rearm; 775 bool queue_hotplug = false; 776 bool queue_hdmi = false; 777 778 status = rs600_irq_ack(rdev); 779 if (!status && 780 !rdev->irq.stat_regs.r500.disp_int && 781 !rdev->irq.stat_regs.r500.hdmi0_status) { 782 return IRQ_NONE; 783 } 784 while (status || 785 rdev->irq.stat_regs.r500.disp_int || 786 rdev->irq.stat_regs.r500.hdmi0_status) { 787 /* SW interrupt */ 788 if (G_000044_SW_INT(status)) { 789 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 790 } 791 /* Vertical blank interrupts */ 792 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 793 if (rdev->irq.crtc_vblank_int[0]) { 794 drm_handle_vblank(rdev->ddev, 0); 795 rdev->pm.vblank_sync = true; 796 wake_up(&rdev->irq.vblank_queue); 797 } 798 if (atomic_read(&rdev->irq.pflip[0])) 799 radeon_crtc_handle_vblank(rdev, 0); 800 } 801 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 802 if (rdev->irq.crtc_vblank_int[1]) { 803 drm_handle_vblank(rdev->ddev, 1); 804 rdev->pm.vblank_sync = true; 805 wake_up(&rdev->irq.vblank_queue); 806 } 807 if (atomic_read(&rdev->irq.pflip[1])) 808 radeon_crtc_handle_vblank(rdev, 1); 809 } 810 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 811 queue_hotplug = true; 812 DRM_DEBUG("HPD1\n"); 813 } 814 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 815 queue_hotplug = true; 816 DRM_DEBUG("HPD2\n"); 817 } 818 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { 819 queue_hdmi = true; 820 DRM_DEBUG("HDMI0\n"); 821 } 822 status = rs600_irq_ack(rdev); 823 } 824 if (queue_hotplug) 825 schedule_delayed_work(&rdev->hotplug_work, 0); 826 if (queue_hdmi) 827 schedule_work(&rdev->audio_work); 828 if (rdev->msi_enabled) { 829 switch (rdev->family) { 830 case CHIP_RS600: 831 case CHIP_RS690: 832 case CHIP_RS740: 833 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM; 834 WREG32(RADEON_BUS_CNTL, msi_rearm); 835 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM); 836 break; 837 default: 838 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); 839 break; 840 } 841 } 842 return IRQ_HANDLED; 843 } 844 845 u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc) 846 { 847 if (crtc == 0) 848 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT); 849 else 850 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT); 851 } 852 853 int rs600_mc_wait_for_idle(struct radeon_device *rdev) 854 { 855 unsigned i; 856 857 for (i = 0; i < rdev->usec_timeout; i++) { 858 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS))) 859 return 0; 860 udelay(1); 861 } 862 return -1; 863 } 864 865 static void rs600_gpu_init(struct radeon_device *rdev) 866 { 867 r420_pipes_init(rdev); 868 /* Wait for mc idle */ 869 if (rs600_mc_wait_for_idle(rdev)) 870 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 871 } 872 873 static void rs600_mc_init(struct radeon_device *rdev) 874 { 875 u64 base; 876 877 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 878 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 879 rdev->mc.vram_is_ddr = true; 880 rdev->mc.vram_width = 128; 881 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); 882 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 883 rdev->mc.visible_vram_size = rdev->mc.aper_size; 884 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 885 base = RREG32_MC(R_000004_MC_FB_LOCATION); 886 base = G_000004_MC_FB_START(base) << 16; 887 radeon_vram_location(rdev, &rdev->mc, base); 888 rdev->mc.gtt_base_align = 0; 889 radeon_gtt_location(rdev, &rdev->mc); 890 radeon_update_bandwidth_info(rdev); 891 } 892 893 void rs600_bandwidth_update(struct radeon_device *rdev) 894 { 895 struct drm_display_mode *mode0 = NULL; 896 struct drm_display_mode *mode1 = NULL; 897 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt; 898 /* FIXME: implement full support */ 899 900 if (!rdev->mode_info.mode_config_initialized) 901 return; 902 903 radeon_update_display_priority(rdev); 904 905 if (rdev->mode_info.crtcs[0]->base.enabled) 906 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 907 if (rdev->mode_info.crtcs[1]->base.enabled) 908 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 909 910 rs690_line_buffer_adjust(rdev, mode0, mode1); 911 912 if (rdev->disp_priority == 2) { 913 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT); 914 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT); 915 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1); 916 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1); 917 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt); 918 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt); 919 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt); 920 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt); 921 } 922 } 923 924 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg) 925 { 926 unsigned long flags; 927 u32 r; 928 929 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 930 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | 931 S_000070_MC_IND_CITF_ARB0(1)); 932 r = RREG32(R_000074_MC_IND_DATA); 933 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 934 return r; 935 } 936 937 void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 938 { 939 unsigned long flags; 940 941 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 942 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | 943 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1)); 944 WREG32(R_000074_MC_IND_DATA, v); 945 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 946 } 947 948 static void rs600_debugfs(struct radeon_device *rdev) 949 { 950 if (r100_debugfs_rbbm_init(rdev)) 951 DRM_ERROR("Failed to register debugfs file for RBBM !\n"); 952 } 953 954 void rs600_set_safe_registers(struct radeon_device *rdev) 955 { 956 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm; 957 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm); 958 } 959 960 static void rs600_mc_program(struct radeon_device *rdev) 961 { 962 struct rv515_mc_save save; 963 964 /* Stops all mc clients */ 965 rv515_mc_stop(rdev, &save); 966 967 /* Wait for mc idle */ 968 if (rs600_mc_wait_for_idle(rdev)) 969 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 970 971 /* FIXME: What does AGP means for such chipset ? */ 972 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF); 973 WREG32_MC(R_000006_AGP_BASE, 0); 974 WREG32_MC(R_000007_AGP_BASE_2, 0); 975 /* Program MC */ 976 WREG32_MC(R_000004_MC_FB_LOCATION, 977 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) | 978 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16)); 979 WREG32(R_000134_HDP_FB_LOCATION, 980 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); 981 982 rv515_mc_resume(rdev, &save); 983 } 984 985 static int rs600_startup(struct radeon_device *rdev) 986 { 987 int r; 988 989 rs600_mc_program(rdev); 990 /* Resume clock */ 991 rv515_clock_startup(rdev); 992 /* Initialize GPU configuration (# pipes, ...) */ 993 rs600_gpu_init(rdev); 994 /* Initialize GART (initialize after TTM so we can allocate 995 * memory through TTM but finalize after TTM) */ 996 r = rs600_gart_enable(rdev); 997 if (r) 998 return r; 999 1000 /* allocate wb buffer */ 1001 r = radeon_wb_init(rdev); 1002 if (r) 1003 return r; 1004 1005 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 1006 if (r) { 1007 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1008 return r; 1009 } 1010 1011 /* Enable IRQ */ 1012 if (!rdev->irq.installed) { 1013 r = radeon_irq_kms_init(rdev); 1014 if (r) 1015 return r; 1016 } 1017 1018 rs600_irq_set(rdev); 1019 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 1020 /* 1M ring buffer */ 1021 r = r100_cp_init(rdev, 1024 * 1024); 1022 if (r) { 1023 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 1024 return r; 1025 } 1026 1027 r = radeon_ib_pool_init(rdev); 1028 if (r) { 1029 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 1030 return r; 1031 } 1032 1033 r = radeon_audio_init(rdev); 1034 if (r) { 1035 dev_err(rdev->dev, "failed initializing audio\n"); 1036 return r; 1037 } 1038 1039 return 0; 1040 } 1041 1042 int rs600_resume(struct radeon_device *rdev) 1043 { 1044 int r; 1045 1046 /* Make sur GART are not working */ 1047 rs600_gart_disable(rdev); 1048 /* Resume clock before doing reset */ 1049 rv515_clock_startup(rdev); 1050 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1051 if (radeon_asic_reset(rdev)) { 1052 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1053 RREG32(R_000E40_RBBM_STATUS), 1054 RREG32(R_0007C0_CP_STAT)); 1055 } 1056 /* post */ 1057 atom_asic_init(rdev->mode_info.atom_context); 1058 /* Resume clock after posting */ 1059 rv515_clock_startup(rdev); 1060 /* Initialize surface registers */ 1061 radeon_surface_init(rdev); 1062 1063 rdev->accel_working = true; 1064 r = rs600_startup(rdev); 1065 if (r) { 1066 rdev->accel_working = false; 1067 } 1068 return r; 1069 } 1070 1071 int rs600_suspend(struct radeon_device *rdev) 1072 { 1073 radeon_pm_suspend(rdev); 1074 radeon_audio_fini(rdev); 1075 r100_cp_disable(rdev); 1076 radeon_wb_disable(rdev); 1077 rs600_irq_disable(rdev); 1078 rs600_gart_disable(rdev); 1079 return 0; 1080 } 1081 1082 void rs600_fini(struct radeon_device *rdev) 1083 { 1084 radeon_pm_fini(rdev); 1085 radeon_audio_fini(rdev); 1086 r100_cp_fini(rdev); 1087 radeon_wb_fini(rdev); 1088 radeon_ib_pool_fini(rdev); 1089 radeon_gem_fini(rdev); 1090 rs600_gart_fini(rdev); 1091 radeon_irq_kms_fini(rdev); 1092 radeon_fence_driver_fini(rdev); 1093 radeon_bo_fini(rdev); 1094 radeon_atombios_fini(rdev); 1095 kfree(rdev->bios); 1096 rdev->bios = NULL; 1097 } 1098 1099 int rs600_init(struct radeon_device *rdev) 1100 { 1101 int r; 1102 1103 /* Disable VGA */ 1104 rv515_vga_render_disable(rdev); 1105 /* Initialize scratch registers */ 1106 radeon_scratch_init(rdev); 1107 /* Initialize surface registers */ 1108 radeon_surface_init(rdev); 1109 /* restore some register to sane defaults */ 1110 r100_restore_sanity(rdev); 1111 /* BIOS */ 1112 if (!radeon_get_bios(rdev)) { 1113 if (ASIC_IS_AVIVO(rdev)) 1114 return -EINVAL; 1115 } 1116 if (rdev->is_atom_bios) { 1117 r = radeon_atombios_init(rdev); 1118 if (r) 1119 return r; 1120 } else { 1121 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n"); 1122 return -EINVAL; 1123 } 1124 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1125 if (radeon_asic_reset(rdev)) { 1126 dev_warn(rdev->dev, 1127 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1128 RREG32(R_000E40_RBBM_STATUS), 1129 RREG32(R_0007C0_CP_STAT)); 1130 } 1131 /* check if cards are posted or not */ 1132 if (radeon_boot_test_post_card(rdev) == false) 1133 return -EINVAL; 1134 1135 /* Initialize clocks */ 1136 radeon_get_clock_info(rdev->ddev); 1137 /* initialize memory controller */ 1138 rs600_mc_init(rdev); 1139 rs600_debugfs(rdev); 1140 /* Fence driver */ 1141 r = radeon_fence_driver_init(rdev); 1142 if (r) 1143 return r; 1144 /* Memory manager */ 1145 r = radeon_bo_init(rdev); 1146 if (r) 1147 return r; 1148 r = rs600_gart_init(rdev); 1149 if (r) 1150 return r; 1151 rs600_set_safe_registers(rdev); 1152 1153 /* Initialize power management */ 1154 radeon_pm_init(rdev); 1155 1156 rdev->accel_working = true; 1157 r = rs600_startup(rdev); 1158 if (r) { 1159 /* Somethings want wront with the accel init stop accel */ 1160 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 1161 r100_cp_fini(rdev); 1162 radeon_wb_fini(rdev); 1163 radeon_ib_pool_fini(rdev); 1164 rs600_gart_fini(rdev); 1165 radeon_irq_kms_fini(rdev); 1166 rdev->accel_working = false; 1167 } 1168 return 0; 1169 } 1170