1 /** 2 * \file radeon_drv.c 3 * ATI Radeon driver 4 * 5 * \author Gareth Hughes <gareth@valinux.com> 6 */ 7 8 /* 9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 10 * All Rights Reserved. 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a 13 * copy of this software and associated documentation files (the "Software"), 14 * to deal in the Software without restriction, including without limitation 15 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16 * and/or sell copies of the Software, and to permit persons to whom the 17 * Software is furnished to do so, subject to the following conditions: 18 * 19 * The above copyright notice and this permission notice (including the next 20 * paragraph) shall be included in all copies or substantial portions of the 21 * Software. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 29 * OTHER DEALINGS IN THE SOFTWARE. 30 * 31 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_drv.c 254885 2013-08-25 19:37:15Z dumbbell $ 32 */ 33 34 #include <drm/drmP.h> 35 #include <uapi_drm/radeon_drm.h> 36 #include "radeon_drv.h" 37 #include "radeon_gem.h" 38 #include "radeon_kms.h" 39 #include "radeon_irq_kms.h" 40 41 #include <drm/drm_pciids.h> 42 43 /* 44 * KMS wrapper. 45 * - 2.0.0 - initial interface 46 * - 2.1.0 - add square tiling interface 47 * - 2.2.0 - add r6xx/r7xx const buffer support 48 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs 49 * - 2.4.0 - add crtc id query 50 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen 51 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) 52 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs 53 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query 54 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query 55 * 2.10.0 - fusion 2D tiling 56 * 2.11.0 - backend map, initial compute support for the CS checker 57 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS 58 * 2.13.0 - virtual memory support, streamout 59 * 2.14.0 - add evergreen tiling informations 60 * 2.15.0 - add max_pipes query 61 * 2.16.0 - fix evergreen 2D tiled surface calculation 62 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx 63 * 2.18.0 - r600-eg: allow "invalid" DB formats 64 * 2.19.0 - r600-eg: MSAA textures 65 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query 66 * 2.21.0 - r600-r700: FMASK and CMASK 67 * 2.22.0 - r600 only: RESOLVE_BOX allowed 68 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880 69 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures 70 * 2.25.0 - eg+: new info request for num SE and num SH 71 * 2.26.0 - r600-eg: fix htile size computation 72 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA 73 * 2.28.0 - r600-eg: Add MEM_WRITE packet support 74 * 2.29.0 - R500 FP16 color clear registers 75 * 2.30.0 - fix for FMASK texturing 76 */ 77 #define KMS_DRIVER_MAJOR 2 78 #define KMS_DRIVER_MINOR 30 79 #define KMS_DRIVER_PATCHLEVEL 0 80 int radeon_suspend_kms(struct drm_device *dev); 81 int radeon_resume_kms(struct drm_device *dev); 82 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 83 int *vpos, int *hpos); 84 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 85 extern int radeon_max_kms_ioctl; 86 #ifdef DUMBBELL_WIP 87 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 88 #endif /* DUMBBELL_WIP */ 89 int radeon_mode_dumb_mmap(struct drm_file *filp, 90 struct drm_device *dev, 91 uint32_t handle, uint64_t *offset_p); 92 int radeon_mode_dumb_create(struct drm_file *file_priv, 93 struct drm_device *dev, 94 struct drm_mode_create_dumb *args); 95 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 96 struct drm_device *dev, 97 uint32_t handle); 98 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); 99 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, 100 size_t size, 101 struct sg_table *sg); 102 int radeon_gem_prime_pin(struct drm_gem_object *obj); 103 void *radeon_gem_prime_vmap(struct drm_gem_object *obj); 104 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); 105 106 #if defined(CONFIG_DEBUG_FS) 107 int radeon_debugfs_init(struct drm_minor *minor); 108 void radeon_debugfs_cleanup(struct drm_minor *minor); 109 #endif 110 111 /* atpx handler */ 112 #if defined(CONFIG_VGA_SWITCHEROO) 113 void radeon_register_atpx_handler(void); 114 void radeon_unregister_atpx_handler(void); 115 #else 116 static inline void radeon_register_atpx_handler(void) {} 117 static inline void radeon_unregister_atpx_handler(void) {} 118 #endif 119 120 int radeon_no_wb; 121 int radeon_modeset = 1; 122 int radeon_dynclks = -1; 123 int radeon_r4xx_atom = 0; 124 int radeon_agpmode = 0; 125 int radeon_vram_limit = 0; 126 int radeon_gart_size = 512; /* default gart size */ 127 int radeon_benchmarking = 0; 128 int radeon_testing = 0; 129 int radeon_connector_table = 0; 130 int radeon_tv = 1; 131 int radeon_audio = 0; 132 int radeon_disp_priority = 0; 133 int radeon_hw_i2c = 0; 134 int radeon_pcie_gen2 = -1; 135 int radeon_msi = -1; 136 int radeon_lockup_timeout = 10000; 137 138 static drm_pci_id_list_t pciidlist[] = { 139 radeon_PCI_IDS 140 }; 141 142 #ifdef CONFIG_DRM_RADEON_UMS 143 144 #ifdef DUMBBELL_WIP 145 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 146 module_param_named(no_wb, radeon_no_wb, int, 0444); 147 148 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 149 module_param_named(modeset, radeon_modeset, int, 0400); 150 151 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 152 module_param_named(dynclks, radeon_dynclks, int, 0444); 153 154 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 155 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 156 157 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 158 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 159 160 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 161 module_param_named(agpmode, radeon_agpmode, int, 0444); 162 163 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)"); 164 module_param_named(gartsize, radeon_gart_size, int, 0600); 165 166 MODULE_PARM_DESC(benchmark, "Run benchmark"); 167 module_param_named(benchmark, radeon_benchmarking, int, 0444); 168 169 MODULE_PARM_DESC(test, "Run tests"); 170 module_param_named(test, radeon_testing, int, 0444); 171 172 MODULE_PARM_DESC(connector_table, "Force connector table"); 173 module_param_named(connector_table, radeon_connector_table, int, 0444); 174 175 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 176 module_param_named(tv, radeon_tv, int, 0444); 177 178 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 179 module_param_named(audio, radeon_audio, int, 0444); 180 181 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 182 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 183 184 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 185 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 186 187 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); 188 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 189 190 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 191 module_param_named(msi, radeon_msi, int, 0444); 192 193 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)"); 194 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); 195 196 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 197 { 198 drm_radeon_private_t *dev_priv = dev->dev_private; 199 200 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 201 return 0; 202 203 /* Disable *all* interrupts */ 204 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 205 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 206 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 207 return 0; 208 } 209 210 static int radeon_resume(struct drm_device *dev) 211 { 212 drm_radeon_private_t *dev_priv = dev->dev_private; 213 214 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 215 return 0; 216 217 /* Restore interrupt registers */ 218 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 219 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 220 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 221 return 0; 222 } 223 #endif /* DUMBBELL_WIP */ 224 225 #ifdef DUMBBELL_WIP 226 static const struct file_operations radeon_driver_old_fops = { 227 .owner = THIS_MODULE, 228 .open = drm_open, 229 .release = drm_release, 230 .unlocked_ioctl = drm_ioctl, 231 .mmap = drm_mmap, 232 .poll = drm_poll, 233 .fasync = drm_fasync, 234 .read = drm_read, 235 #ifdef CONFIG_COMPAT 236 .compat_ioctl = radeon_compat_ioctl, 237 #endif 238 .llseek = noop_llseek, 239 }; 240 241 static struct drm_driver driver_old = { 242 .driver_features = 243 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | 244 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 245 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 246 .load = radeon_driver_load, 247 .firstopen = radeon_driver_firstopen, 248 .open = radeon_driver_open, 249 .preclose = radeon_driver_preclose, 250 .postclose = radeon_driver_postclose, 251 .lastclose = radeon_driver_lastclose, 252 .unload = radeon_driver_unload, 253 #ifdef DUMBBELL_WIP 254 .suspend = radeon_suspend, 255 .resume = radeon_resume, 256 #endif /* DUMBBELL_WIP */ 257 .get_vblank_counter = radeon_get_vblank_counter, 258 .enable_vblank = radeon_enable_vblank, 259 .disable_vblank = radeon_disable_vblank, 260 .master_create = radeon_master_create, 261 .master_destroy = radeon_master_destroy, 262 .irq_preinstall = radeon_driver_irq_preinstall, 263 .irq_postinstall = radeon_driver_irq_postinstall, 264 .irq_uninstall = radeon_driver_irq_uninstall, 265 .irq_handler = radeon_driver_irq_handler, 266 .ioctls = radeon_ioctls, 267 .dma_ioctl = radeon_cp_buffers, 268 .fops = &radeon_driver_old_fops, 269 .name = DRIVER_NAME, 270 .desc = DRIVER_DESC, 271 .date = DRIVER_DATE, 272 .major = DRIVER_MAJOR, 273 .minor = DRIVER_MINOR, 274 .patchlevel = DRIVER_PATCHLEVEL, 275 }; 276 #endif /* DUMBBELL_WIP */ 277 278 #endif 279 280 static struct drm_driver kms_driver; 281 282 #ifdef DUMBBELL_WIP 283 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev) 284 { 285 struct apertures_struct *ap; 286 bool primary = false; 287 288 ap = alloc_apertures(1); 289 if (!ap) 290 return -ENOMEM; 291 292 ap->ranges[0].base = pci_resource_start(pdev, 0); 293 ap->ranges[0].size = pci_resource_len(pdev, 0); 294 295 #ifdef CONFIG_X86 296 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 297 #endif 298 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 299 kfree(ap); 300 301 return 0; 302 } 303 304 static int radeon_pci_probe(struct pci_dev *pdev, 305 const struct pci_device_id *ent) 306 { 307 int ret; 308 309 /* Get rid of things like offb */ 310 ret = radeon_kick_out_firmware_fb(pdev); 311 if (ret) 312 return ret; 313 314 return drm_get_pci_dev(pdev, ent, &kms_driver); 315 } 316 317 static void 318 radeon_pci_remove(struct pci_dev *pdev) 319 { 320 struct drm_device *dev = pci_get_drvdata(pdev); 321 322 drm_put_dev(dev); 323 } 324 325 static int 326 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 327 { 328 struct drm_device *dev = pci_get_drvdata(pdev); 329 return radeon_suspend_kms(dev, state); 330 } 331 332 static int 333 radeon_pci_resume(struct pci_dev *pdev) 334 { 335 struct drm_device *dev = pci_get_drvdata(pdev); 336 return radeon_resume_kms(dev); 337 } 338 339 static const struct file_operations radeon_driver_kms_fops = { 340 .owner = THIS_MODULE, 341 .open = drm_open, 342 .release = drm_release, 343 .unlocked_ioctl = drm_ioctl, 344 .mmap = radeon_mmap, 345 .poll = drm_poll, 346 .fasync = drm_fasync, 347 .read = drm_read, 348 #ifdef CONFIG_COMPAT 349 .compat_ioctl = radeon_kms_compat_ioctl, 350 #endif 351 }; 352 #endif /* DUMBBELL_WIP */ 353 354 static struct drm_driver kms_driver = { 355 .driver_features = 356 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG | 357 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM | 358 DRIVER_PRIME /* | DRIVE_MODESET */, 359 #ifdef DUMBBELL_WIP 360 .dev_priv_size = 0, 361 #endif /* DUMBBELL_WIP */ 362 .load = radeon_driver_load_kms, 363 .use_msi = radeon_msi_ok, 364 .firstopen = radeon_driver_firstopen_kms, 365 .open = radeon_driver_open_kms, 366 .preclose = radeon_driver_preclose_kms, 367 .postclose = radeon_driver_postclose_kms, 368 .lastclose = radeon_driver_lastclose_kms, 369 .unload = radeon_driver_unload_kms, 370 #ifdef DUMBBELL_WIP 371 .suspend = radeon_suspend_kms, 372 .resume = radeon_resume_kms, 373 #endif /* DUMBBELL_WIP */ 374 .get_vblank_counter = radeon_get_vblank_counter_kms, 375 .enable_vblank = radeon_enable_vblank_kms, 376 .disable_vblank = radeon_disable_vblank_kms, 377 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 378 .get_scanout_position = radeon_get_crtc_scanoutpos, 379 .irq_preinstall = radeon_driver_irq_preinstall_kms, 380 .irq_postinstall = radeon_driver_irq_postinstall_kms, 381 .irq_uninstall = radeon_driver_irq_uninstall_kms, 382 .irq_handler = radeon_driver_irq_handler_kms, 383 .ioctls = radeon_ioctls_kms, 384 .gem_free_object = radeon_gem_object_free, 385 .gem_open_object = radeon_gem_object_open, 386 .gem_close_object = radeon_gem_object_close, 387 .dma_ioctl = radeon_dma_ioctl_kms, 388 .dumb_create = radeon_mode_dumb_create, 389 .dumb_map_offset = radeon_mode_dumb_mmap, 390 .dumb_destroy = radeon_mode_dumb_destroy, 391 #ifdef DUMBBELL_WIP 392 .fops = &radeon_driver_kms_fops, 393 #endif /* DUMBBELL_WIP */ 394 395 #ifdef DUMBBELL_WIP 396 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 397 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 398 .gem_prime_export = drm_gem_prime_export, 399 .gem_prime_import = drm_gem_prime_import, 400 .gem_prime_pin = radeon_gem_prime_pin, 401 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table, 402 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table, 403 .gem_prime_vmap = radeon_gem_prime_vmap, 404 .gem_prime_vunmap = radeon_gem_prime_vunmap, 405 #endif /* DUMBBELL_WIP */ 406 407 .name = DRIVER_NAME, 408 .desc = DRIVER_DESC, 409 .date = DRIVER_DATE, 410 .major = KMS_DRIVER_MAJOR, 411 .minor = KMS_DRIVER_MINOR, 412 .patchlevel = KMS_DRIVER_PATCHLEVEL, 413 }; 414 415 #ifdef DUMBBELL_WIP 416 static int __init radeon_init(void) 417 { 418 if (radeon_modeset == 1) { 419 DRM_INFO("radeon kernel modesetting enabled.\n"); 420 driver = &kms_driver; 421 pdriver = &radeon_kms_pci_driver; 422 driver->driver_features |= DRIVER_MODESET; 423 driver->num_ioctls = radeon_max_kms_ioctl; 424 radeon_register_atpx_handler(); 425 426 } else { 427 #ifdef CONFIG_DRM_RADEON_UMS 428 DRM_INFO("radeon userspace modesetting enabled.\n"); 429 driver = &driver_old; 430 pdriver = &radeon_pci_driver; 431 driver->driver_features &= ~DRIVER_MODESET; 432 driver->num_ioctls = radeon_max_ioctl; 433 #else 434 DRM_ERROR("No UMS support in radeon module!\n"); 435 return -EINVAL; 436 #endif 437 } 438 439 /* let modprobe override vga console setting */ 440 return drm_pci_init(driver, pdriver); 441 } 442 443 static void __exit radeon_exit(void) 444 { 445 drm_pci_exit(driver, pdriver); 446 radeon_unregister_atpx_handler(); 447 } 448 #endif /* DUMBBELL_WIP */ 449 450 /* =================================================================== */ 451 452 static int 453 radeon_probe(device_t kdev) 454 { 455 456 return drm_probe(kdev, pciidlist); 457 } 458 459 static int 460 radeon_attach(device_t kdev) 461 { 462 struct drm_device *dev; 463 464 dev = device_get_softc(kdev); 465 if (radeon_modeset == 1) { 466 kms_driver.driver_features |= DRIVER_MODESET; 467 kms_driver.num_ioctls = radeon_max_kms_ioctl; 468 radeon_register_atpx_handler(); 469 } 470 dev->driver = &kms_driver; 471 return (drm_attach(kdev, pciidlist)); 472 } 473 474 static int 475 radeon_suspend(device_t kdev) 476 { 477 struct drm_device *dev; 478 int ret; 479 480 dev = device_get_softc(kdev); 481 ret = radeon_suspend_kms(dev); 482 483 return (-ret); 484 } 485 486 static int 487 radeon_resume(device_t kdev) 488 { 489 struct drm_device *dev; 490 int ret; 491 492 dev = device_get_softc(kdev); 493 ret = radeon_resume_kms(dev); 494 495 return (-ret); 496 } 497 498 static device_method_t radeon_methods[] = { 499 /* Device interface */ 500 DEVMETHOD(device_probe, radeon_probe), 501 DEVMETHOD(device_attach, radeon_attach), 502 DEVMETHOD(device_suspend, radeon_suspend), 503 DEVMETHOD(device_resume, radeon_resume), 504 DEVMETHOD(device_detach, drm_release), 505 DEVMETHOD_END 506 }; 507 508 static driver_t radeon_driver = { 509 "drm", 510 radeon_methods, 511 sizeof(struct drm_device) 512 }; 513 514 extern devclass_t drm_devclass; 515 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass, 516 NULL, NULL, SI_ORDER_ANY); 517 MODULE_DEPEND(radeonkms, drm, 1, 1, 1); 518 MODULE_DEPEND(radeonkms, agp, 1, 1, 1); 519 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1); 520 MODULE_DEPEND(radeonkms, iic, 1, 1, 1); 521 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1); 522