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 */ 74 #define KMS_DRIVER_MAJOR 2 75 #define KMS_DRIVER_MINOR 29 76 #define KMS_DRIVER_PATCHLEVEL 0 77 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 78 int radeon_driver_unload_kms(struct drm_device *dev); 79 int radeon_driver_firstopen_kms(struct drm_device *dev); 80 void radeon_driver_lastclose_kms(struct drm_device *dev); 81 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 82 void radeon_driver_postclose_kms(struct drm_device *dev, 83 struct drm_file *file_priv); 84 void radeon_driver_preclose_kms(struct drm_device *dev, 85 struct drm_file *file_priv); 86 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 87 int radeon_resume_kms(struct drm_device *dev); 88 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 89 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 90 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 91 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 92 int *max_error, 93 struct timeval *vblank_time, 94 unsigned flags); 95 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 96 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 97 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 98 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 99 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 100 struct drm_file *file_priv); 101 int radeon_gem_object_init(struct drm_gem_object *obj); 102 void radeon_gem_object_free(struct drm_gem_object *obj); 103 int radeon_gem_object_open(struct drm_gem_object *obj, 104 struct drm_file *file_priv); 105 void radeon_gem_object_close(struct drm_gem_object *obj, 106 struct drm_file *file_priv); 107 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 108 int *vpos, int *hpos); 109 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 110 extern int radeon_max_kms_ioctl; 111 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 112 int radeon_mode_dumb_mmap(struct drm_file *filp, 113 struct drm_device *dev, 114 uint32_t handle, uint64_t *offset_p); 115 int radeon_mode_dumb_create(struct drm_file *file_priv, 116 struct drm_device *dev, 117 struct drm_mode_create_dumb *args); 118 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 119 struct drm_device *dev, 120 uint32_t handle); 121 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev, 122 struct drm_gem_object *obj, 123 int flags); 124 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev, 125 struct dma_buf *dma_buf); 126 127 #if defined(CONFIG_DEBUG_FS) 128 int radeon_debugfs_init(struct drm_minor *minor); 129 void radeon_debugfs_cleanup(struct drm_minor *minor); 130 #endif 131 132 133 int radeon_no_wb; 134 int radeon_modeset = -1; 135 int radeon_dynclks = -1; 136 int radeon_r4xx_atom = 0; 137 int radeon_agpmode = 0; 138 int radeon_vram_limit = 0; 139 int radeon_gart_size = 512; /* default gart size */ 140 int radeon_benchmarking = 0; 141 int radeon_testing = 0; 142 int radeon_connector_table = 0; 143 int radeon_tv = 1; 144 int radeon_audio = 0; 145 int radeon_disp_priority = 0; 146 int radeon_hw_i2c = 0; 147 int radeon_pcie_gen2 = -1; 148 int radeon_msi = -1; 149 int radeon_lockup_timeout = 10000; 150 151 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 152 module_param_named(no_wb, radeon_no_wb, int, 0444); 153 154 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 155 module_param_named(modeset, radeon_modeset, int, 0400); 156 157 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 158 module_param_named(dynclks, radeon_dynclks, int, 0444); 159 160 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 161 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 162 163 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 164 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 165 166 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 167 module_param_named(agpmode, radeon_agpmode, int, 0444); 168 169 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)"); 170 module_param_named(gartsize, radeon_gart_size, int, 0600); 171 172 MODULE_PARM_DESC(benchmark, "Run benchmark"); 173 module_param_named(benchmark, radeon_benchmarking, int, 0444); 174 175 MODULE_PARM_DESC(test, "Run tests"); 176 module_param_named(test, radeon_testing, int, 0444); 177 178 MODULE_PARM_DESC(connector_table, "Force connector table"); 179 module_param_named(connector_table, radeon_connector_table, int, 0444); 180 181 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 182 module_param_named(tv, radeon_tv, int, 0444); 183 184 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 185 module_param_named(audio, radeon_audio, int, 0444); 186 187 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 188 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 189 190 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 191 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 192 193 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); 194 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 195 196 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 197 module_param_named(msi, radeon_msi, int, 0444); 198 199 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)"); 200 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); 201 202 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 203 { 204 drm_radeon_private_t *dev_priv = dev->dev_private; 205 206 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 207 return 0; 208 209 /* Disable *all* interrupts */ 210 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 211 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 212 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 213 return 0; 214 } 215 216 static int radeon_resume(struct drm_device *dev) 217 { 218 drm_radeon_private_t *dev_priv = dev->dev_private; 219 220 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 221 return 0; 222 223 /* Restore interrupt registers */ 224 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 225 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 226 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 227 return 0; 228 } 229 230 static struct pci_device_id pciidlist[] = { 231 radeon_PCI_IDS 232 }; 233 234 #if defined(CONFIG_DRM_RADEON_KMS) 235 MODULE_DEVICE_TABLE(pci, pciidlist); 236 #endif 237 238 static const struct file_operations radeon_driver_old_fops = { 239 .owner = THIS_MODULE, 240 .open = drm_open, 241 .release = drm_release, 242 .unlocked_ioctl = drm_ioctl, 243 .mmap = drm_mmap, 244 .poll = drm_poll, 245 .fasync = drm_fasync, 246 .read = drm_read, 247 #ifdef CONFIG_COMPAT 248 .compat_ioctl = radeon_compat_ioctl, 249 #endif 250 .llseek = noop_llseek, 251 }; 252 253 static struct drm_driver driver_old = { 254 .driver_features = 255 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 256 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 257 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 258 .load = radeon_driver_load, 259 .firstopen = radeon_driver_firstopen, 260 .open = radeon_driver_open, 261 .preclose = radeon_driver_preclose, 262 .postclose = radeon_driver_postclose, 263 .lastclose = radeon_driver_lastclose, 264 .unload = radeon_driver_unload, 265 .suspend = radeon_suspend, 266 .resume = radeon_resume, 267 .get_vblank_counter = radeon_get_vblank_counter, 268 .enable_vblank = radeon_enable_vblank, 269 .disable_vblank = radeon_disable_vblank, 270 .master_create = radeon_master_create, 271 .master_destroy = radeon_master_destroy, 272 .irq_preinstall = radeon_driver_irq_preinstall, 273 .irq_postinstall = radeon_driver_irq_postinstall, 274 .irq_uninstall = radeon_driver_irq_uninstall, 275 .irq_handler = radeon_driver_irq_handler, 276 .ioctls = radeon_ioctls, 277 .dma_ioctl = radeon_cp_buffers, 278 .fops = &radeon_driver_old_fops, 279 .name = DRIVER_NAME, 280 .desc = DRIVER_DESC, 281 .date = DRIVER_DATE, 282 .major = DRIVER_MAJOR, 283 .minor = DRIVER_MINOR, 284 .patchlevel = DRIVER_PATCHLEVEL, 285 }; 286 287 static struct drm_driver kms_driver; 288 289 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev) 290 { 291 struct apertures_struct *ap; 292 bool primary = false; 293 294 ap = alloc_apertures(1); 295 if (!ap) 296 return -ENOMEM; 297 298 ap->ranges[0].base = pci_resource_start(pdev, 0); 299 ap->ranges[0].size = pci_resource_len(pdev, 0); 300 301 #ifdef CONFIG_X86 302 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 303 #endif 304 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 305 kfree(ap); 306 307 return 0; 308 } 309 310 static int radeon_pci_probe(struct pci_dev *pdev, 311 const struct pci_device_id *ent) 312 { 313 int ret; 314 315 /* Get rid of things like offb */ 316 ret = radeon_kick_out_firmware_fb(pdev); 317 if (ret) 318 return ret; 319 320 return drm_get_pci_dev(pdev, ent, &kms_driver); 321 } 322 323 static void 324 radeon_pci_remove(struct pci_dev *pdev) 325 { 326 struct drm_device *dev = pci_get_drvdata(pdev); 327 328 drm_put_dev(dev); 329 } 330 331 static int 332 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 333 { 334 struct drm_device *dev = pci_get_drvdata(pdev); 335 return radeon_suspend_kms(dev, state); 336 } 337 338 static int 339 radeon_pci_resume(struct pci_dev *pdev) 340 { 341 struct drm_device *dev = pci_get_drvdata(pdev); 342 return radeon_resume_kms(dev); 343 } 344 345 static const struct file_operations radeon_driver_kms_fops = { 346 .owner = THIS_MODULE, 347 .open = drm_open, 348 .release = drm_release, 349 .unlocked_ioctl = drm_ioctl, 350 .mmap = radeon_mmap, 351 .poll = drm_poll, 352 .fasync = drm_fasync, 353 .read = drm_read, 354 #ifdef CONFIG_COMPAT 355 .compat_ioctl = radeon_kms_compat_ioctl, 356 #endif 357 }; 358 359 static struct drm_driver kms_driver = { 360 .driver_features = 361 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 362 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM | 363 DRIVER_PRIME, 364 .dev_priv_size = 0, 365 .load = radeon_driver_load_kms, 366 .firstopen = radeon_driver_firstopen_kms, 367 .open = radeon_driver_open_kms, 368 .preclose = radeon_driver_preclose_kms, 369 .postclose = radeon_driver_postclose_kms, 370 .lastclose = radeon_driver_lastclose_kms, 371 .unload = radeon_driver_unload_kms, 372 .suspend = radeon_suspend_kms, 373 .resume = radeon_resume_kms, 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 #if defined(CONFIG_DEBUG_FS) 380 .debugfs_init = radeon_debugfs_init, 381 .debugfs_cleanup = radeon_debugfs_cleanup, 382 #endif 383 .irq_preinstall = radeon_driver_irq_preinstall_kms, 384 .irq_postinstall = radeon_driver_irq_postinstall_kms, 385 .irq_uninstall = radeon_driver_irq_uninstall_kms, 386 .irq_handler = radeon_driver_irq_handler_kms, 387 .ioctls = radeon_ioctls_kms, 388 .gem_init_object = radeon_gem_object_init, 389 .gem_free_object = radeon_gem_object_free, 390 .gem_open_object = radeon_gem_object_open, 391 .gem_close_object = radeon_gem_object_close, 392 .dma_ioctl = radeon_dma_ioctl_kms, 393 .dumb_create = radeon_mode_dumb_create, 394 .dumb_map_offset = radeon_mode_dumb_mmap, 395 .dumb_destroy = radeon_mode_dumb_destroy, 396 .fops = &radeon_driver_kms_fops, 397 398 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 399 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 400 .gem_prime_export = radeon_gem_prime_export, 401 .gem_prime_import = radeon_gem_prime_import, 402 403 .name = DRIVER_NAME, 404 .desc = DRIVER_DESC, 405 .date = DRIVER_DATE, 406 .major = KMS_DRIVER_MAJOR, 407 .minor = KMS_DRIVER_MINOR, 408 .patchlevel = KMS_DRIVER_PATCHLEVEL, 409 }; 410 411 static struct drm_driver *driver; 412 static struct pci_driver *pdriver; 413 414 static struct pci_driver radeon_pci_driver = { 415 .name = DRIVER_NAME, 416 .id_table = pciidlist, 417 }; 418 419 static struct pci_driver radeon_kms_pci_driver = { 420 .name = DRIVER_NAME, 421 .id_table = pciidlist, 422 .probe = radeon_pci_probe, 423 .remove = radeon_pci_remove, 424 .suspend = radeon_pci_suspend, 425 .resume = radeon_pci_resume, 426 }; 427 428 static int __init radeon_init(void) 429 { 430 driver = &driver_old; 431 pdriver = &radeon_pci_driver; 432 driver->num_ioctls = radeon_max_ioctl; 433 #ifdef CONFIG_VGA_CONSOLE 434 if (vgacon_text_force() && radeon_modeset == -1) { 435 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 436 driver = &driver_old; 437 pdriver = &radeon_pci_driver; 438 driver->driver_features &= ~DRIVER_MODESET; 439 radeon_modeset = 0; 440 } 441 #endif 442 /* if enabled by default */ 443 if (radeon_modeset == -1) { 444 #ifdef CONFIG_DRM_RADEON_KMS 445 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 446 radeon_modeset = 1; 447 #else 448 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 449 radeon_modeset = 0; 450 #endif 451 } 452 if (radeon_modeset == 1) { 453 DRM_INFO("radeon kernel modesetting enabled.\n"); 454 driver = &kms_driver; 455 pdriver = &radeon_kms_pci_driver; 456 driver->driver_features |= DRIVER_MODESET; 457 driver->num_ioctls = radeon_max_kms_ioctl; 458 radeon_register_atpx_handler(); 459 } 460 /* if the vga console setting is enabled still 461 * let modprobe override it */ 462 return drm_pci_init(driver, pdriver); 463 } 464 465 static void __exit radeon_exit(void) 466 { 467 drm_pci_exit(driver, pdriver); 468 radeon_unregister_atpx_handler(); 469 } 470 471 module_init(radeon_init); 472 module_exit(radeon_exit); 473 474 MODULE_AUTHOR(DRIVER_AUTHOR); 475 MODULE_DESCRIPTION(DRIVER_DESC); 476 MODULE_LICENSE("GPL and additional rights"); 477