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 "drmP.h" 33 #include "drm.h" 34 #include "radeon_drm.h" 35 #include "radeon_drv.h" 36 37 #include "drm_pciids.h" 38 #include <linux/console.h> 39 #include <linux/module.h> 40 41 42 /* 43 * KMS wrapper. 44 * - 2.0.0 - initial interface 45 * - 2.1.0 - add square tiling interface 46 * - 2.2.0 - add r6xx/r7xx const buffer support 47 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs 48 * - 2.4.0 - add crtc id query 49 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen 50 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) 51 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs 52 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query 53 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query 54 * 2.10.0 - fusion 2D tiling 55 * 2.11.0 - backend map, initial compute support for the CS checker 56 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS 57 * 2.13.0 - virtual memory support, streamout 58 * 2.14.0 - add evergreen tiling informations 59 * 2.15.0 - add max_pipes query 60 * 2.16.0 - fix evergreen 2D tiled surface calculation 61 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx 62 * 2.18.0 - r600-eg: allow "invalid" DB formats 63 * 2.19.0 - r600-eg: MSAA textures 64 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query 65 * 2.21.0 - r600-r700: FMASK and CMASK 66 * 2.22.0 - r600 only: RESOLVE_BOX allowed 67 */ 68 #define KMS_DRIVER_MAJOR 2 69 #define KMS_DRIVER_MINOR 22 70 #define KMS_DRIVER_PATCHLEVEL 0 71 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 72 int radeon_driver_unload_kms(struct drm_device *dev); 73 int radeon_driver_firstopen_kms(struct drm_device *dev); 74 void radeon_driver_lastclose_kms(struct drm_device *dev); 75 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 76 void radeon_driver_postclose_kms(struct drm_device *dev, 77 struct drm_file *file_priv); 78 void radeon_driver_preclose_kms(struct drm_device *dev, 79 struct drm_file *file_priv); 80 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 81 int radeon_resume_kms(struct drm_device *dev); 82 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 83 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 84 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 85 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 86 int *max_error, 87 struct timeval *vblank_time, 88 unsigned flags); 89 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 90 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 91 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 92 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 93 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 94 struct drm_file *file_priv); 95 int radeon_gem_object_init(struct drm_gem_object *obj); 96 void radeon_gem_object_free(struct drm_gem_object *obj); 97 int radeon_gem_object_open(struct drm_gem_object *obj, 98 struct drm_file *file_priv); 99 void radeon_gem_object_close(struct drm_gem_object *obj, 100 struct drm_file *file_priv); 101 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 102 int *vpos, int *hpos); 103 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 104 extern int radeon_max_kms_ioctl; 105 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 106 int radeon_mode_dumb_mmap(struct drm_file *filp, 107 struct drm_device *dev, 108 uint32_t handle, uint64_t *offset_p); 109 int radeon_mode_dumb_create(struct drm_file *file_priv, 110 struct drm_device *dev, 111 struct drm_mode_create_dumb *args); 112 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 113 struct drm_device *dev, 114 uint32_t handle); 115 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev, 116 struct drm_gem_object *obj, 117 int flags); 118 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev, 119 struct dma_buf *dma_buf); 120 121 #if defined(CONFIG_DEBUG_FS) 122 int radeon_debugfs_init(struct drm_minor *minor); 123 void radeon_debugfs_cleanup(struct drm_minor *minor); 124 #endif 125 126 127 int radeon_no_wb; 128 int radeon_modeset = -1; 129 int radeon_dynclks = -1; 130 int radeon_r4xx_atom = 0; 131 int radeon_agpmode = 0; 132 int radeon_vram_limit = 0; 133 int radeon_gart_size = 512; /* default gart size */ 134 int radeon_benchmarking = 0; 135 int radeon_testing = 0; 136 int radeon_connector_table = 0; 137 int radeon_tv = 1; 138 int radeon_audio = 0; 139 int radeon_disp_priority = 0; 140 int radeon_hw_i2c = 0; 141 int radeon_pcie_gen2 = -1; 142 int radeon_msi = -1; 143 int radeon_lockup_timeout = 10000; 144 145 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 } 223 224 static struct pci_device_id pciidlist[] = { 225 radeon_PCI_IDS 226 }; 227 228 #if defined(CONFIG_DRM_RADEON_KMS) 229 MODULE_DEVICE_TABLE(pci, pciidlist); 230 #endif 231 232 static const struct file_operations radeon_driver_old_fops = { 233 .owner = THIS_MODULE, 234 .open = drm_open, 235 .release = drm_release, 236 .unlocked_ioctl = drm_ioctl, 237 .mmap = drm_mmap, 238 .poll = drm_poll, 239 .fasync = drm_fasync, 240 .read = drm_read, 241 #ifdef CONFIG_COMPAT 242 .compat_ioctl = radeon_compat_ioctl, 243 #endif 244 .llseek = noop_llseek, 245 }; 246 247 static struct drm_driver driver_old = { 248 .driver_features = 249 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 250 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 251 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 252 .load = radeon_driver_load, 253 .firstopen = radeon_driver_firstopen, 254 .open = radeon_driver_open, 255 .preclose = radeon_driver_preclose, 256 .postclose = radeon_driver_postclose, 257 .lastclose = radeon_driver_lastclose, 258 .unload = radeon_driver_unload, 259 .suspend = radeon_suspend, 260 .resume = radeon_resume, 261 .get_vblank_counter = radeon_get_vblank_counter, 262 .enable_vblank = radeon_enable_vblank, 263 .disable_vblank = radeon_disable_vblank, 264 .master_create = radeon_master_create, 265 .master_destroy = radeon_master_destroy, 266 .irq_preinstall = radeon_driver_irq_preinstall, 267 .irq_postinstall = radeon_driver_irq_postinstall, 268 .irq_uninstall = radeon_driver_irq_uninstall, 269 .irq_handler = radeon_driver_irq_handler, 270 .ioctls = radeon_ioctls, 271 .dma_ioctl = radeon_cp_buffers, 272 .fops = &radeon_driver_old_fops, 273 .name = DRIVER_NAME, 274 .desc = DRIVER_DESC, 275 .date = DRIVER_DATE, 276 .major = DRIVER_MAJOR, 277 .minor = DRIVER_MINOR, 278 .patchlevel = DRIVER_PATCHLEVEL, 279 }; 280 281 static struct drm_driver kms_driver; 282 283 static void 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 ap->ranges[0].base = pci_resource_start(pdev, 0); 290 ap->ranges[0].size = pci_resource_len(pdev, 0); 291 292 #ifdef CONFIG_X86 293 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 294 #endif 295 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 296 kfree(ap); 297 } 298 299 static int __devinit 300 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 301 { 302 /* Get rid of things like offb */ 303 radeon_kick_out_firmware_fb(pdev); 304 305 return drm_get_pci_dev(pdev, ent, &kms_driver); 306 } 307 308 static void 309 radeon_pci_remove(struct pci_dev *pdev) 310 { 311 struct drm_device *dev = pci_get_drvdata(pdev); 312 313 drm_put_dev(dev); 314 } 315 316 static int 317 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 318 { 319 struct drm_device *dev = pci_get_drvdata(pdev); 320 return radeon_suspend_kms(dev, state); 321 } 322 323 static int 324 radeon_pci_resume(struct pci_dev *pdev) 325 { 326 struct drm_device *dev = pci_get_drvdata(pdev); 327 return radeon_resume_kms(dev); 328 } 329 330 static const struct file_operations radeon_driver_kms_fops = { 331 .owner = THIS_MODULE, 332 .open = drm_open, 333 .release = drm_release, 334 .unlocked_ioctl = drm_ioctl, 335 .mmap = radeon_mmap, 336 .poll = drm_poll, 337 .fasync = drm_fasync, 338 .read = drm_read, 339 #ifdef CONFIG_COMPAT 340 .compat_ioctl = radeon_kms_compat_ioctl, 341 #endif 342 }; 343 344 static struct drm_driver kms_driver = { 345 .driver_features = 346 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 347 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM | 348 DRIVER_PRIME, 349 .dev_priv_size = 0, 350 .load = radeon_driver_load_kms, 351 .firstopen = radeon_driver_firstopen_kms, 352 .open = radeon_driver_open_kms, 353 .preclose = radeon_driver_preclose_kms, 354 .postclose = radeon_driver_postclose_kms, 355 .lastclose = radeon_driver_lastclose_kms, 356 .unload = radeon_driver_unload_kms, 357 .suspend = radeon_suspend_kms, 358 .resume = radeon_resume_kms, 359 .get_vblank_counter = radeon_get_vblank_counter_kms, 360 .enable_vblank = radeon_enable_vblank_kms, 361 .disable_vblank = radeon_disable_vblank_kms, 362 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 363 .get_scanout_position = radeon_get_crtc_scanoutpos, 364 #if defined(CONFIG_DEBUG_FS) 365 .debugfs_init = radeon_debugfs_init, 366 .debugfs_cleanup = radeon_debugfs_cleanup, 367 #endif 368 .irq_preinstall = radeon_driver_irq_preinstall_kms, 369 .irq_postinstall = radeon_driver_irq_postinstall_kms, 370 .irq_uninstall = radeon_driver_irq_uninstall_kms, 371 .irq_handler = radeon_driver_irq_handler_kms, 372 .ioctls = radeon_ioctls_kms, 373 .gem_init_object = radeon_gem_object_init, 374 .gem_free_object = radeon_gem_object_free, 375 .gem_open_object = radeon_gem_object_open, 376 .gem_close_object = radeon_gem_object_close, 377 .dma_ioctl = radeon_dma_ioctl_kms, 378 .dumb_create = radeon_mode_dumb_create, 379 .dumb_map_offset = radeon_mode_dumb_mmap, 380 .dumb_destroy = radeon_mode_dumb_destroy, 381 .fops = &radeon_driver_kms_fops, 382 383 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 384 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 385 .gem_prime_export = radeon_gem_prime_export, 386 .gem_prime_import = radeon_gem_prime_import, 387 388 .name = DRIVER_NAME, 389 .desc = DRIVER_DESC, 390 .date = DRIVER_DATE, 391 .major = KMS_DRIVER_MAJOR, 392 .minor = KMS_DRIVER_MINOR, 393 .patchlevel = KMS_DRIVER_PATCHLEVEL, 394 }; 395 396 static struct drm_driver *driver; 397 static struct pci_driver *pdriver; 398 399 static struct pci_driver radeon_pci_driver = { 400 .name = DRIVER_NAME, 401 .id_table = pciidlist, 402 }; 403 404 static struct pci_driver radeon_kms_pci_driver = { 405 .name = DRIVER_NAME, 406 .id_table = pciidlist, 407 .probe = radeon_pci_probe, 408 .remove = radeon_pci_remove, 409 .suspend = radeon_pci_suspend, 410 .resume = radeon_pci_resume, 411 }; 412 413 static int __init radeon_init(void) 414 { 415 driver = &driver_old; 416 pdriver = &radeon_pci_driver; 417 driver->num_ioctls = radeon_max_ioctl; 418 #ifdef CONFIG_VGA_CONSOLE 419 if (vgacon_text_force() && radeon_modeset == -1) { 420 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 421 driver = &driver_old; 422 pdriver = &radeon_pci_driver; 423 driver->driver_features &= ~DRIVER_MODESET; 424 radeon_modeset = 0; 425 } 426 #endif 427 /* if enabled by default */ 428 if (radeon_modeset == -1) { 429 #ifdef CONFIG_DRM_RADEON_KMS 430 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 431 radeon_modeset = 1; 432 #else 433 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 434 radeon_modeset = 0; 435 #endif 436 } 437 if (radeon_modeset == 1) { 438 DRM_INFO("radeon kernel modesetting enabled.\n"); 439 driver = &kms_driver; 440 pdriver = &radeon_kms_pci_driver; 441 driver->driver_features |= DRIVER_MODESET; 442 driver->num_ioctls = radeon_max_kms_ioctl; 443 radeon_register_atpx_handler(); 444 } 445 /* if the vga console setting is enabled still 446 * let modprobe override it */ 447 return drm_pci_init(driver, pdriver); 448 } 449 450 static void __exit radeon_exit(void) 451 { 452 drm_pci_exit(driver, pdriver); 453 radeon_unregister_atpx_handler(); 454 } 455 456 module_init(radeon_init); 457 module_exit(radeon_exit); 458 459 MODULE_AUTHOR(DRIVER_AUTHOR); 460 MODULE_DESCRIPTION(DRIVER_DESC); 461 MODULE_LICENSE("GPL and additional rights"); 462