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 32 #include <drm/drmP.h> 33 #include <drm/radeon_drm.h> 34 #include "radeon_drv.h" 35 36 #include <drm/drm_pciids.h> 37 #include <linux/console.h> 38 #include <linux/module.h> 39 40 41 /* 42 * KMS wrapper. 43 * - 2.0.0 - initial interface 44 * - 2.1.0 - add square tiling interface 45 * - 2.2.0 - add r6xx/r7xx const buffer support 46 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs 47 * - 2.4.0 - add crtc id query 48 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen 49 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) 50 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs 51 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query 52 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query 53 * 2.10.0 - fusion 2D tiling 54 * 2.11.0 - backend map, initial compute support for the CS checker 55 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS 56 * 2.13.0 - virtual memory support, streamout 57 * 2.14.0 - add evergreen tiling informations 58 * 2.15.0 - add max_pipes query 59 * 2.16.0 - fix evergreen 2D tiled surface calculation 60 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx 61 * 2.18.0 - r600-eg: allow "invalid" DB formats 62 * 2.19.0 - r600-eg: MSAA textures 63 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query 64 * 2.21.0 - r600-r700: FMASK and CMASK 65 * 2.22.0 - r600 only: RESOLVE_BOX allowed 66 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880 67 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures 68 * 2.25.0 - eg+: new info request for num SE and num SH 69 * 2.26.0 - r600-eg: fix htile size computation 70 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA 71 * 2.28.0 - r600-eg: Add MEM_WRITE packet support 72 * 2.29.0 - R500 FP16 color clear registers 73 * 2.30.0 - fix for FMASK texturing 74 * 2.31.0 - Add fastfb support for rs690 75 * 2.32.0 - new info request for rings working 76 * 2.33.0 - Add SI tiling mode array query 77 * 2.34.0 - Add CIK tiling mode array query 78 */ 79 #define KMS_DRIVER_MAJOR 2 80 #define KMS_DRIVER_MINOR 34 81 #define KMS_DRIVER_PATCHLEVEL 0 82 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 83 int radeon_driver_unload_kms(struct drm_device *dev); 84 int radeon_driver_firstopen_kms(struct drm_device *dev); 85 void radeon_driver_lastclose_kms(struct drm_device *dev); 86 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 87 void radeon_driver_postclose_kms(struct drm_device *dev, 88 struct drm_file *file_priv); 89 void radeon_driver_preclose_kms(struct drm_device *dev, 90 struct drm_file *file_priv); 91 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 92 int radeon_resume_kms(struct drm_device *dev); 93 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 94 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 95 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 96 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 97 int *max_error, 98 struct timeval *vblank_time, 99 unsigned flags); 100 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 101 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 102 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 103 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 104 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 105 struct drm_file *file_priv); 106 int radeon_gem_object_init(struct drm_gem_object *obj); 107 void radeon_gem_object_free(struct drm_gem_object *obj); 108 int radeon_gem_object_open(struct drm_gem_object *obj, 109 struct drm_file *file_priv); 110 void radeon_gem_object_close(struct drm_gem_object *obj, 111 struct drm_file *file_priv); 112 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 113 int *vpos, int *hpos); 114 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 115 extern int radeon_max_kms_ioctl; 116 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 117 int radeon_mode_dumb_mmap(struct drm_file *filp, 118 struct drm_device *dev, 119 uint32_t handle, uint64_t *offset_p); 120 int radeon_mode_dumb_create(struct drm_file *file_priv, 121 struct drm_device *dev, 122 struct drm_mode_create_dumb *args); 123 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 124 struct drm_device *dev, 125 uint32_t handle); 126 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); 127 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, 128 size_t size, 129 struct sg_table *sg); 130 int radeon_gem_prime_pin(struct drm_gem_object *obj); 131 void radeon_gem_prime_unpin(struct drm_gem_object *obj); 132 void *radeon_gem_prime_vmap(struct drm_gem_object *obj); 133 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); 134 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, 135 unsigned long arg); 136 137 #if defined(CONFIG_DEBUG_FS) 138 int radeon_debugfs_init(struct drm_minor *minor); 139 void radeon_debugfs_cleanup(struct drm_minor *minor); 140 #endif 141 142 /* atpx handler */ 143 #if defined(CONFIG_VGA_SWITCHEROO) 144 void radeon_register_atpx_handler(void); 145 void radeon_unregister_atpx_handler(void); 146 #else 147 static inline void radeon_register_atpx_handler(void) {} 148 static inline void radeon_unregister_atpx_handler(void) {} 149 #endif 150 151 int radeon_no_wb; 152 int radeon_modeset = -1; 153 int radeon_dynclks = -1; 154 int radeon_r4xx_atom = 0; 155 int radeon_agpmode = 0; 156 int radeon_vram_limit = 0; 157 int radeon_gart_size = 512; /* default gart size */ 158 int radeon_benchmarking = 0; 159 int radeon_testing = 0; 160 int radeon_connector_table = 0; 161 int radeon_tv = 1; 162 int radeon_audio = 0; 163 int radeon_disp_priority = 0; 164 int radeon_hw_i2c = 0; 165 int radeon_pcie_gen2 = -1; 166 int radeon_msi = -1; 167 int radeon_lockup_timeout = 10000; 168 int radeon_fastfb = 0; 169 int radeon_dpm = -1; 170 171 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 172 module_param_named(no_wb, radeon_no_wb, int, 0444); 173 174 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 175 module_param_named(modeset, radeon_modeset, int, 0400); 176 177 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 178 module_param_named(dynclks, radeon_dynclks, int, 0444); 179 180 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 181 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 182 183 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 184 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 185 186 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 187 module_param_named(agpmode, radeon_agpmode, int, 0444); 188 189 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)"); 190 module_param_named(gartsize, radeon_gart_size, int, 0600); 191 192 MODULE_PARM_DESC(benchmark, "Run benchmark"); 193 module_param_named(benchmark, radeon_benchmarking, int, 0444); 194 195 MODULE_PARM_DESC(test, "Run tests"); 196 module_param_named(test, radeon_testing, int, 0444); 197 198 MODULE_PARM_DESC(connector_table, "Force connector table"); 199 module_param_named(connector_table, radeon_connector_table, int, 0444); 200 201 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 202 module_param_named(tv, radeon_tv, int, 0444); 203 204 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 205 module_param_named(audio, radeon_audio, int, 0444); 206 207 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 208 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 209 210 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 211 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 212 213 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); 214 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 215 216 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 217 module_param_named(msi, radeon_msi, int, 0444); 218 219 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)"); 220 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); 221 222 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)"); 223 module_param_named(fastfb, radeon_fastfb, int, 0444); 224 225 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)"); 226 module_param_named(dpm, radeon_dpm, int, 0444); 227 228 static struct pci_device_id pciidlist[] = { 229 radeon_PCI_IDS 230 }; 231 232 MODULE_DEVICE_TABLE(pci, pciidlist); 233 234 #ifdef CONFIG_DRM_RADEON_UMS 235 236 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 237 { 238 drm_radeon_private_t *dev_priv = dev->dev_private; 239 240 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 241 return 0; 242 243 /* Disable *all* interrupts */ 244 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 245 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 246 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 247 return 0; 248 } 249 250 static int radeon_resume(struct drm_device *dev) 251 { 252 drm_radeon_private_t *dev_priv = dev->dev_private; 253 254 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 255 return 0; 256 257 /* Restore interrupt registers */ 258 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 259 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 260 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 261 return 0; 262 } 263 264 static const struct file_operations radeon_driver_old_fops = { 265 .owner = THIS_MODULE, 266 .open = drm_open, 267 .release = drm_release, 268 .unlocked_ioctl = drm_ioctl, 269 .mmap = drm_mmap, 270 .poll = drm_poll, 271 .fasync = drm_fasync, 272 .read = drm_read, 273 #ifdef CONFIG_COMPAT 274 .compat_ioctl = radeon_compat_ioctl, 275 #endif 276 .llseek = noop_llseek, 277 }; 278 279 static struct drm_driver driver_old = { 280 .driver_features = 281 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 282 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 283 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 284 .load = radeon_driver_load, 285 .firstopen = radeon_driver_firstopen, 286 .open = radeon_driver_open, 287 .preclose = radeon_driver_preclose, 288 .postclose = radeon_driver_postclose, 289 .lastclose = radeon_driver_lastclose, 290 .unload = radeon_driver_unload, 291 .suspend = radeon_suspend, 292 .resume = radeon_resume, 293 .get_vblank_counter = radeon_get_vblank_counter, 294 .enable_vblank = radeon_enable_vblank, 295 .disable_vblank = radeon_disable_vblank, 296 .master_create = radeon_master_create, 297 .master_destroy = radeon_master_destroy, 298 .irq_preinstall = radeon_driver_irq_preinstall, 299 .irq_postinstall = radeon_driver_irq_postinstall, 300 .irq_uninstall = radeon_driver_irq_uninstall, 301 .irq_handler = radeon_driver_irq_handler, 302 .ioctls = radeon_ioctls, 303 .dma_ioctl = radeon_cp_buffers, 304 .fops = &radeon_driver_old_fops, 305 .name = DRIVER_NAME, 306 .desc = DRIVER_DESC, 307 .date = DRIVER_DATE, 308 .major = DRIVER_MAJOR, 309 .minor = DRIVER_MINOR, 310 .patchlevel = DRIVER_PATCHLEVEL, 311 }; 312 313 #endif 314 315 static struct drm_driver kms_driver; 316 317 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev) 318 { 319 struct apertures_struct *ap; 320 bool primary = false; 321 322 ap = alloc_apertures(1); 323 if (!ap) 324 return -ENOMEM; 325 326 ap->ranges[0].base = pci_resource_start(pdev, 0); 327 ap->ranges[0].size = pci_resource_len(pdev, 0); 328 329 #ifdef CONFIG_X86 330 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 331 #endif 332 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 333 kfree(ap); 334 335 return 0; 336 } 337 338 static int radeon_pci_probe(struct pci_dev *pdev, 339 const struct pci_device_id *ent) 340 { 341 int ret; 342 343 /* Get rid of things like offb */ 344 ret = radeon_kick_out_firmware_fb(pdev); 345 if (ret) 346 return ret; 347 348 return drm_get_pci_dev(pdev, ent, &kms_driver); 349 } 350 351 static void 352 radeon_pci_remove(struct pci_dev *pdev) 353 { 354 struct drm_device *dev = pci_get_drvdata(pdev); 355 356 drm_put_dev(dev); 357 } 358 359 static int 360 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 361 { 362 struct drm_device *dev = pci_get_drvdata(pdev); 363 return radeon_suspend_kms(dev, state); 364 } 365 366 static int 367 radeon_pci_resume(struct pci_dev *pdev) 368 { 369 struct drm_device *dev = pci_get_drvdata(pdev); 370 return radeon_resume_kms(dev); 371 } 372 373 static const struct file_operations radeon_driver_kms_fops = { 374 .owner = THIS_MODULE, 375 .open = drm_open, 376 .release = drm_release, 377 .unlocked_ioctl = drm_ioctl, 378 .mmap = radeon_mmap, 379 .poll = drm_poll, 380 .fasync = drm_fasync, 381 .read = drm_read, 382 #ifdef CONFIG_COMPAT 383 .compat_ioctl = radeon_kms_compat_ioctl, 384 #endif 385 }; 386 387 static struct drm_driver kms_driver = { 388 .driver_features = 389 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 390 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM | 391 DRIVER_PRIME, 392 .dev_priv_size = 0, 393 .load = radeon_driver_load_kms, 394 .firstopen = radeon_driver_firstopen_kms, 395 .open = radeon_driver_open_kms, 396 .preclose = radeon_driver_preclose_kms, 397 .postclose = radeon_driver_postclose_kms, 398 .lastclose = radeon_driver_lastclose_kms, 399 .unload = radeon_driver_unload_kms, 400 .suspend = radeon_suspend_kms, 401 .resume = radeon_resume_kms, 402 .get_vblank_counter = radeon_get_vblank_counter_kms, 403 .enable_vblank = radeon_enable_vblank_kms, 404 .disable_vblank = radeon_disable_vblank_kms, 405 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 406 .get_scanout_position = radeon_get_crtc_scanoutpos, 407 #if defined(CONFIG_DEBUG_FS) 408 .debugfs_init = radeon_debugfs_init, 409 .debugfs_cleanup = radeon_debugfs_cleanup, 410 #endif 411 .irq_preinstall = radeon_driver_irq_preinstall_kms, 412 .irq_postinstall = radeon_driver_irq_postinstall_kms, 413 .irq_uninstall = radeon_driver_irq_uninstall_kms, 414 .irq_handler = radeon_driver_irq_handler_kms, 415 .ioctls = radeon_ioctls_kms, 416 .gem_init_object = radeon_gem_object_init, 417 .gem_free_object = radeon_gem_object_free, 418 .gem_open_object = radeon_gem_object_open, 419 .gem_close_object = radeon_gem_object_close, 420 .dma_ioctl = radeon_dma_ioctl_kms, 421 .dumb_create = radeon_mode_dumb_create, 422 .dumb_map_offset = radeon_mode_dumb_mmap, 423 .dumb_destroy = radeon_mode_dumb_destroy, 424 .fops = &radeon_driver_kms_fops, 425 426 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 427 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 428 .gem_prime_export = drm_gem_prime_export, 429 .gem_prime_import = drm_gem_prime_import, 430 .gem_prime_pin = radeon_gem_prime_pin, 431 .gem_prime_unpin = radeon_gem_prime_unpin, 432 .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table, 433 .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table, 434 .gem_prime_vmap = radeon_gem_prime_vmap, 435 .gem_prime_vunmap = radeon_gem_prime_vunmap, 436 437 .name = DRIVER_NAME, 438 .desc = DRIVER_DESC, 439 .date = DRIVER_DATE, 440 .major = KMS_DRIVER_MAJOR, 441 .minor = KMS_DRIVER_MINOR, 442 .patchlevel = KMS_DRIVER_PATCHLEVEL, 443 }; 444 445 static struct drm_driver *driver; 446 static struct pci_driver *pdriver; 447 448 #ifdef CONFIG_DRM_RADEON_UMS 449 static struct pci_driver radeon_pci_driver = { 450 .name = DRIVER_NAME, 451 .id_table = pciidlist, 452 }; 453 #endif 454 455 static struct pci_driver radeon_kms_pci_driver = { 456 .name = DRIVER_NAME, 457 .id_table = pciidlist, 458 .probe = radeon_pci_probe, 459 .remove = radeon_pci_remove, 460 .suspend = radeon_pci_suspend, 461 .resume = radeon_pci_resume, 462 }; 463 464 static int __init radeon_init(void) 465 { 466 #ifdef CONFIG_VGA_CONSOLE 467 if (vgacon_text_force() && radeon_modeset == -1) { 468 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 469 radeon_modeset = 0; 470 } 471 #endif 472 /* set to modesetting by default if not nomodeset */ 473 if (radeon_modeset == -1) 474 radeon_modeset = 1; 475 476 if (radeon_modeset == 1) { 477 DRM_INFO("radeon kernel modesetting enabled.\n"); 478 driver = &kms_driver; 479 pdriver = &radeon_kms_pci_driver; 480 driver->driver_features |= DRIVER_MODESET; 481 driver->num_ioctls = radeon_max_kms_ioctl; 482 radeon_register_atpx_handler(); 483 484 } else { 485 #ifdef CONFIG_DRM_RADEON_UMS 486 DRM_INFO("radeon userspace modesetting enabled.\n"); 487 driver = &driver_old; 488 pdriver = &radeon_pci_driver; 489 driver->driver_features &= ~DRIVER_MODESET; 490 driver->num_ioctls = radeon_max_ioctl; 491 #else 492 DRM_ERROR("No UMS support in radeon module!\n"); 493 return -EINVAL; 494 #endif 495 } 496 497 /* let modprobe override vga console setting */ 498 return drm_pci_init(driver, pdriver); 499 } 500 501 static void __exit radeon_exit(void) 502 { 503 drm_pci_exit(driver, pdriver); 504 radeon_unregister_atpx_handler(); 505 } 506 507 module_init(radeon_init); 508 module_exit(radeon_exit); 509 510 MODULE_AUTHOR(DRIVER_AUTHOR); 511 MODULE_DESCRIPTION(DRIVER_DESC); 512 MODULE_LICENSE("GPL and additional rights"); 513