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 */ 73 #define KMS_DRIVER_MAJOR 2 74 #define KMS_DRIVER_MINOR 28 75 #define KMS_DRIVER_PATCHLEVEL 0 76 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 77 int radeon_driver_unload_kms(struct drm_device *dev); 78 int radeon_driver_firstopen_kms(struct drm_device *dev); 79 void radeon_driver_lastclose_kms(struct drm_device *dev); 80 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 81 void radeon_driver_postclose_kms(struct drm_device *dev, 82 struct drm_file *file_priv); 83 void radeon_driver_preclose_kms(struct drm_device *dev, 84 struct drm_file *file_priv); 85 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 86 int radeon_resume_kms(struct drm_device *dev); 87 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 88 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 89 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 90 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 91 int *max_error, 92 struct timeval *vblank_time, 93 unsigned flags); 94 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 95 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 96 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 97 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 98 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 99 struct drm_file *file_priv); 100 int radeon_gem_object_init(struct drm_gem_object *obj); 101 void radeon_gem_object_free(struct drm_gem_object *obj); 102 int radeon_gem_object_open(struct drm_gem_object *obj, 103 struct drm_file *file_priv); 104 void radeon_gem_object_close(struct drm_gem_object *obj, 105 struct drm_file *file_priv); 106 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 107 int *vpos, int *hpos); 108 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 109 extern int radeon_max_kms_ioctl; 110 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 111 int radeon_mode_dumb_mmap(struct drm_file *filp, 112 struct drm_device *dev, 113 uint32_t handle, uint64_t *offset_p); 114 int radeon_mode_dumb_create(struct drm_file *file_priv, 115 struct drm_device *dev, 116 struct drm_mode_create_dumb *args); 117 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 118 struct drm_device *dev, 119 uint32_t handle); 120 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev, 121 struct drm_gem_object *obj, 122 int flags); 123 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev, 124 struct dma_buf *dma_buf); 125 126 #if defined(CONFIG_DEBUG_FS) 127 int radeon_debugfs_init(struct drm_minor *minor); 128 void radeon_debugfs_cleanup(struct drm_minor *minor); 129 #endif 130 131 132 int radeon_no_wb; 133 int radeon_modeset = -1; 134 int radeon_dynclks = -1; 135 int radeon_r4xx_atom = 0; 136 int radeon_agpmode = 0; 137 int radeon_vram_limit = 0; 138 int radeon_gart_size = 512; /* default gart size */ 139 int radeon_benchmarking = 0; 140 int radeon_testing = 0; 141 int radeon_connector_table = 0; 142 int radeon_tv = 1; 143 int radeon_audio = 0; 144 int radeon_disp_priority = 0; 145 int radeon_hw_i2c = 0; 146 int radeon_pcie_gen2 = -1; 147 int radeon_msi = -1; 148 int radeon_lockup_timeout = 10000; 149 150 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 151 module_param_named(no_wb, radeon_no_wb, int, 0444); 152 153 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 154 module_param_named(modeset, radeon_modeset, int, 0400); 155 156 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 157 module_param_named(dynclks, radeon_dynclks, int, 0444); 158 159 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 160 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 161 162 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 163 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 164 165 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 166 module_param_named(agpmode, radeon_agpmode, int, 0444); 167 168 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)"); 169 module_param_named(gartsize, radeon_gart_size, int, 0600); 170 171 MODULE_PARM_DESC(benchmark, "Run benchmark"); 172 module_param_named(benchmark, radeon_benchmarking, int, 0444); 173 174 MODULE_PARM_DESC(test, "Run tests"); 175 module_param_named(test, radeon_testing, int, 0444); 176 177 MODULE_PARM_DESC(connector_table, "Force connector table"); 178 module_param_named(connector_table, radeon_connector_table, int, 0444); 179 180 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 181 module_param_named(tv, radeon_tv, int, 0444); 182 183 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 184 module_param_named(audio, radeon_audio, int, 0444); 185 186 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 187 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 188 189 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 190 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 191 192 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); 193 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 194 195 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 196 module_param_named(msi, radeon_msi, int, 0444); 197 198 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)"); 199 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); 200 201 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 202 { 203 drm_radeon_private_t *dev_priv = dev->dev_private; 204 205 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 206 return 0; 207 208 /* Disable *all* interrupts */ 209 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 210 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 211 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 212 return 0; 213 } 214 215 static int radeon_resume(struct drm_device *dev) 216 { 217 drm_radeon_private_t *dev_priv = dev->dev_private; 218 219 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 220 return 0; 221 222 /* Restore interrupt registers */ 223 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 224 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 225 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 226 return 0; 227 } 228 229 static struct pci_device_id pciidlist[] = { 230 radeon_PCI_IDS 231 }; 232 233 #if defined(CONFIG_DRM_RADEON_KMS) 234 MODULE_DEVICE_TABLE(pci, pciidlist); 235 #endif 236 237 static const struct file_operations radeon_driver_old_fops = { 238 .owner = THIS_MODULE, 239 .open = drm_open, 240 .release = drm_release, 241 .unlocked_ioctl = drm_ioctl, 242 .mmap = drm_mmap, 243 .poll = drm_poll, 244 .fasync = drm_fasync, 245 .read = drm_read, 246 #ifdef CONFIG_COMPAT 247 .compat_ioctl = radeon_compat_ioctl, 248 #endif 249 .llseek = noop_llseek, 250 }; 251 252 static struct drm_driver driver_old = { 253 .driver_features = 254 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 255 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 256 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 257 .load = radeon_driver_load, 258 .firstopen = radeon_driver_firstopen, 259 .open = radeon_driver_open, 260 .preclose = radeon_driver_preclose, 261 .postclose = radeon_driver_postclose, 262 .lastclose = radeon_driver_lastclose, 263 .unload = radeon_driver_unload, 264 .suspend = radeon_suspend, 265 .resume = radeon_resume, 266 .get_vblank_counter = radeon_get_vblank_counter, 267 .enable_vblank = radeon_enable_vblank, 268 .disable_vblank = radeon_disable_vblank, 269 .master_create = radeon_master_create, 270 .master_destroy = radeon_master_destroy, 271 .irq_preinstall = radeon_driver_irq_preinstall, 272 .irq_postinstall = radeon_driver_irq_postinstall, 273 .irq_uninstall = radeon_driver_irq_uninstall, 274 .irq_handler = radeon_driver_irq_handler, 275 .ioctls = radeon_ioctls, 276 .dma_ioctl = radeon_cp_buffers, 277 .fops = &radeon_driver_old_fops, 278 .name = DRIVER_NAME, 279 .desc = DRIVER_DESC, 280 .date = DRIVER_DATE, 281 .major = DRIVER_MAJOR, 282 .minor = DRIVER_MINOR, 283 .patchlevel = DRIVER_PATCHLEVEL, 284 }; 285 286 static struct drm_driver kms_driver; 287 288 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev) 289 { 290 struct apertures_struct *ap; 291 bool primary = false; 292 293 ap = alloc_apertures(1); 294 if (!ap) 295 return -ENOMEM; 296 297 ap->ranges[0].base = pci_resource_start(pdev, 0); 298 ap->ranges[0].size = pci_resource_len(pdev, 0); 299 300 #ifdef CONFIG_X86 301 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 302 #endif 303 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 304 kfree(ap); 305 306 return 0; 307 } 308 309 static int radeon_pci_probe(struct pci_dev *pdev, 310 const struct pci_device_id *ent) 311 { 312 int ret; 313 314 /* Get rid of things like offb */ 315 ret = radeon_kick_out_firmware_fb(pdev); 316 if (ret) 317 return ret; 318 319 return drm_get_pci_dev(pdev, ent, &kms_driver); 320 } 321 322 static void 323 radeon_pci_remove(struct pci_dev *pdev) 324 { 325 struct drm_device *dev = pci_get_drvdata(pdev); 326 327 drm_put_dev(dev); 328 } 329 330 static int 331 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 332 { 333 struct drm_device *dev = pci_get_drvdata(pdev); 334 return radeon_suspend_kms(dev, state); 335 } 336 337 static int 338 radeon_pci_resume(struct pci_dev *pdev) 339 { 340 struct drm_device *dev = pci_get_drvdata(pdev); 341 return radeon_resume_kms(dev); 342 } 343 344 static const struct file_operations radeon_driver_kms_fops = { 345 .owner = THIS_MODULE, 346 .open = drm_open, 347 .release = drm_release, 348 .unlocked_ioctl = drm_ioctl, 349 .mmap = radeon_mmap, 350 .poll = drm_poll, 351 .fasync = drm_fasync, 352 .read = drm_read, 353 #ifdef CONFIG_COMPAT 354 .compat_ioctl = radeon_kms_compat_ioctl, 355 #endif 356 }; 357 358 static struct drm_driver kms_driver = { 359 .driver_features = 360 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 361 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM | 362 DRIVER_PRIME, 363 .dev_priv_size = 0, 364 .load = radeon_driver_load_kms, 365 .firstopen = radeon_driver_firstopen_kms, 366 .open = radeon_driver_open_kms, 367 .preclose = radeon_driver_preclose_kms, 368 .postclose = radeon_driver_postclose_kms, 369 .lastclose = radeon_driver_lastclose_kms, 370 .unload = radeon_driver_unload_kms, 371 .suspend = radeon_suspend_kms, 372 .resume = radeon_resume_kms, 373 .get_vblank_counter = radeon_get_vblank_counter_kms, 374 .enable_vblank = radeon_enable_vblank_kms, 375 .disable_vblank = radeon_disable_vblank_kms, 376 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 377 .get_scanout_position = radeon_get_crtc_scanoutpos, 378 #if defined(CONFIG_DEBUG_FS) 379 .debugfs_init = radeon_debugfs_init, 380 .debugfs_cleanup = radeon_debugfs_cleanup, 381 #endif 382 .irq_preinstall = radeon_driver_irq_preinstall_kms, 383 .irq_postinstall = radeon_driver_irq_postinstall_kms, 384 .irq_uninstall = radeon_driver_irq_uninstall_kms, 385 .irq_handler = radeon_driver_irq_handler_kms, 386 .ioctls = radeon_ioctls_kms, 387 .gem_init_object = radeon_gem_object_init, 388 .gem_free_object = radeon_gem_object_free, 389 .gem_open_object = radeon_gem_object_open, 390 .gem_close_object = radeon_gem_object_close, 391 .dma_ioctl = radeon_dma_ioctl_kms, 392 .dumb_create = radeon_mode_dumb_create, 393 .dumb_map_offset = radeon_mode_dumb_mmap, 394 .dumb_destroy = radeon_mode_dumb_destroy, 395 .fops = &radeon_driver_kms_fops, 396 397 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 398 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 399 .gem_prime_export = radeon_gem_prime_export, 400 .gem_prime_import = radeon_gem_prime_import, 401 402 .name = DRIVER_NAME, 403 .desc = DRIVER_DESC, 404 .date = DRIVER_DATE, 405 .major = KMS_DRIVER_MAJOR, 406 .minor = KMS_DRIVER_MINOR, 407 .patchlevel = KMS_DRIVER_PATCHLEVEL, 408 }; 409 410 static struct drm_driver *driver; 411 static struct pci_driver *pdriver; 412 413 static struct pci_driver radeon_pci_driver = { 414 .name = DRIVER_NAME, 415 .id_table = pciidlist, 416 }; 417 418 static struct pci_driver radeon_kms_pci_driver = { 419 .name = DRIVER_NAME, 420 .id_table = pciidlist, 421 .probe = radeon_pci_probe, 422 .remove = radeon_pci_remove, 423 .suspend = radeon_pci_suspend, 424 .resume = radeon_pci_resume, 425 }; 426 427 static int __init radeon_init(void) 428 { 429 driver = &driver_old; 430 pdriver = &radeon_pci_driver; 431 driver->num_ioctls = radeon_max_ioctl; 432 #ifdef CONFIG_VGA_CONSOLE 433 if (vgacon_text_force() && radeon_modeset == -1) { 434 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 435 driver = &driver_old; 436 pdriver = &radeon_pci_driver; 437 driver->driver_features &= ~DRIVER_MODESET; 438 radeon_modeset = 0; 439 } 440 #endif 441 /* if enabled by default */ 442 if (radeon_modeset == -1) { 443 #ifdef CONFIG_DRM_RADEON_KMS 444 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 445 radeon_modeset = 1; 446 #else 447 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 448 radeon_modeset = 0; 449 #endif 450 } 451 if (radeon_modeset == 1) { 452 DRM_INFO("radeon kernel modesetting enabled.\n"); 453 driver = &kms_driver; 454 pdriver = &radeon_kms_pci_driver; 455 driver->driver_features |= DRIVER_MODESET; 456 driver->num_ioctls = radeon_max_kms_ioctl; 457 radeon_register_atpx_handler(); 458 } 459 /* if the vga console setting is enabled still 460 * let modprobe override it */ 461 return drm_pci_init(driver, pdriver); 462 } 463 464 static void __exit radeon_exit(void) 465 { 466 drm_pci_exit(driver, pdriver); 467 radeon_unregister_atpx_handler(); 468 } 469 470 module_init(radeon_init); 471 module_exit(radeon_exit); 472 473 MODULE_AUTHOR(DRIVER_AUTHOR); 474 MODULE_DESCRIPTION(DRIVER_DESC); 475 MODULE_LICENSE("GPL and additional rights"); 476