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 */ 69 #define KMS_DRIVER_MAJOR 2 70 #define KMS_DRIVER_MINOR 24 71 #define KMS_DRIVER_PATCHLEVEL 0 72 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 73 int radeon_driver_unload_kms(struct drm_device *dev); 74 int radeon_driver_firstopen_kms(struct drm_device *dev); 75 void radeon_driver_lastclose_kms(struct drm_device *dev); 76 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 77 void radeon_driver_postclose_kms(struct drm_device *dev, 78 struct drm_file *file_priv); 79 void radeon_driver_preclose_kms(struct drm_device *dev, 80 struct drm_file *file_priv); 81 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 82 int radeon_resume_kms(struct drm_device *dev); 83 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 84 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 85 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 86 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 87 int *max_error, 88 struct timeval *vblank_time, 89 unsigned flags); 90 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 91 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 92 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 93 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 94 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 95 struct drm_file *file_priv); 96 int radeon_gem_object_init(struct drm_gem_object *obj); 97 void radeon_gem_object_free(struct drm_gem_object *obj); 98 int radeon_gem_object_open(struct drm_gem_object *obj, 99 struct drm_file *file_priv); 100 void radeon_gem_object_close(struct drm_gem_object *obj, 101 struct drm_file *file_priv); 102 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 103 int *vpos, int *hpos); 104 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 105 extern int radeon_max_kms_ioctl; 106 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 107 int radeon_mode_dumb_mmap(struct drm_file *filp, 108 struct drm_device *dev, 109 uint32_t handle, uint64_t *offset_p); 110 int radeon_mode_dumb_create(struct drm_file *file_priv, 111 struct drm_device *dev, 112 struct drm_mode_create_dumb *args); 113 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 114 struct drm_device *dev, 115 uint32_t handle); 116 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev, 117 struct drm_gem_object *obj, 118 int flags); 119 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev, 120 struct dma_buf *dma_buf); 121 122 #if defined(CONFIG_DEBUG_FS) 123 int radeon_debugfs_init(struct drm_minor *minor); 124 void radeon_debugfs_cleanup(struct drm_minor *minor); 125 #endif 126 127 128 int radeon_no_wb; 129 int radeon_modeset = -1; 130 int radeon_dynclks = -1; 131 int radeon_r4xx_atom = 0; 132 int radeon_agpmode = 0; 133 int radeon_vram_limit = 0; 134 int radeon_gart_size = 512; /* default gart size */ 135 int radeon_benchmarking = 0; 136 int radeon_testing = 0; 137 int radeon_connector_table = 0; 138 int radeon_tv = 1; 139 int radeon_audio = 0; 140 int radeon_disp_priority = 0; 141 int radeon_hw_i2c = 0; 142 int radeon_pcie_gen2 = -1; 143 int radeon_msi = -1; 144 int radeon_lockup_timeout = 10000; 145 146 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 147 module_param_named(no_wb, radeon_no_wb, int, 0444); 148 149 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 150 module_param_named(modeset, radeon_modeset, int, 0400); 151 152 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 153 module_param_named(dynclks, radeon_dynclks, int, 0444); 154 155 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 156 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 157 158 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 159 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 160 161 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 162 module_param_named(agpmode, radeon_agpmode, int, 0444); 163 164 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)"); 165 module_param_named(gartsize, radeon_gart_size, int, 0600); 166 167 MODULE_PARM_DESC(benchmark, "Run benchmark"); 168 module_param_named(benchmark, radeon_benchmarking, int, 0444); 169 170 MODULE_PARM_DESC(test, "Run tests"); 171 module_param_named(test, radeon_testing, int, 0444); 172 173 MODULE_PARM_DESC(connector_table, "Force connector table"); 174 module_param_named(connector_table, radeon_connector_table, int, 0444); 175 176 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 177 module_param_named(tv, radeon_tv, int, 0444); 178 179 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 180 module_param_named(audio, radeon_audio, int, 0444); 181 182 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 183 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 184 185 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 186 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 187 188 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); 189 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 190 191 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 192 module_param_named(msi, radeon_msi, int, 0444); 193 194 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)"); 195 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); 196 197 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 198 { 199 drm_radeon_private_t *dev_priv = dev->dev_private; 200 201 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 202 return 0; 203 204 /* Disable *all* interrupts */ 205 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 206 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 207 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 208 return 0; 209 } 210 211 static int radeon_resume(struct drm_device *dev) 212 { 213 drm_radeon_private_t *dev_priv = dev->dev_private; 214 215 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 216 return 0; 217 218 /* Restore interrupt registers */ 219 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 220 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 221 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 222 return 0; 223 } 224 225 static struct pci_device_id pciidlist[] = { 226 radeon_PCI_IDS 227 }; 228 229 #if defined(CONFIG_DRM_RADEON_KMS) 230 MODULE_DEVICE_TABLE(pci, pciidlist); 231 #endif 232 233 static const struct file_operations radeon_driver_old_fops = { 234 .owner = THIS_MODULE, 235 .open = drm_open, 236 .release = drm_release, 237 .unlocked_ioctl = drm_ioctl, 238 .mmap = drm_mmap, 239 .poll = drm_poll, 240 .fasync = drm_fasync, 241 .read = drm_read, 242 #ifdef CONFIG_COMPAT 243 .compat_ioctl = radeon_compat_ioctl, 244 #endif 245 .llseek = noop_llseek, 246 }; 247 248 static struct drm_driver driver_old = { 249 .driver_features = 250 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 251 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 252 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 253 .load = radeon_driver_load, 254 .firstopen = radeon_driver_firstopen, 255 .open = radeon_driver_open, 256 .preclose = radeon_driver_preclose, 257 .postclose = radeon_driver_postclose, 258 .lastclose = radeon_driver_lastclose, 259 .unload = radeon_driver_unload, 260 .suspend = radeon_suspend, 261 .resume = radeon_resume, 262 .get_vblank_counter = radeon_get_vblank_counter, 263 .enable_vblank = radeon_enable_vblank, 264 .disable_vblank = radeon_disable_vblank, 265 .master_create = radeon_master_create, 266 .master_destroy = radeon_master_destroy, 267 .irq_preinstall = radeon_driver_irq_preinstall, 268 .irq_postinstall = radeon_driver_irq_postinstall, 269 .irq_uninstall = radeon_driver_irq_uninstall, 270 .irq_handler = radeon_driver_irq_handler, 271 .ioctls = radeon_ioctls, 272 .dma_ioctl = radeon_cp_buffers, 273 .fops = &radeon_driver_old_fops, 274 .name = DRIVER_NAME, 275 .desc = DRIVER_DESC, 276 .date = DRIVER_DATE, 277 .major = DRIVER_MAJOR, 278 .minor = DRIVER_MINOR, 279 .patchlevel = DRIVER_PATCHLEVEL, 280 }; 281 282 static struct drm_driver kms_driver; 283 284 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 285 { 286 struct apertures_struct *ap; 287 bool primary = false; 288 289 ap = alloc_apertures(1); 290 ap->ranges[0].base = pci_resource_start(pdev, 0); 291 ap->ranges[0].size = pci_resource_len(pdev, 0); 292 293 #ifdef CONFIG_X86 294 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 295 #endif 296 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 297 kfree(ap); 298 } 299 300 static int __devinit 301 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 302 { 303 /* Get rid of things like offb */ 304 radeon_kick_out_firmware_fb(pdev); 305 306 return drm_get_pci_dev(pdev, ent, &kms_driver); 307 } 308 309 static void 310 radeon_pci_remove(struct pci_dev *pdev) 311 { 312 struct drm_device *dev = pci_get_drvdata(pdev); 313 314 drm_put_dev(dev); 315 } 316 317 static int 318 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 319 { 320 struct drm_device *dev = pci_get_drvdata(pdev); 321 return radeon_suspend_kms(dev, state); 322 } 323 324 static int 325 radeon_pci_resume(struct pci_dev *pdev) 326 { 327 struct drm_device *dev = pci_get_drvdata(pdev); 328 return radeon_resume_kms(dev); 329 } 330 331 static const struct file_operations radeon_driver_kms_fops = { 332 .owner = THIS_MODULE, 333 .open = drm_open, 334 .release = drm_release, 335 .unlocked_ioctl = drm_ioctl, 336 .mmap = radeon_mmap, 337 .poll = drm_poll, 338 .fasync = drm_fasync, 339 .read = drm_read, 340 #ifdef CONFIG_COMPAT 341 .compat_ioctl = radeon_kms_compat_ioctl, 342 #endif 343 }; 344 345 static struct drm_driver kms_driver = { 346 .driver_features = 347 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 348 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM | 349 DRIVER_PRIME, 350 .dev_priv_size = 0, 351 .load = radeon_driver_load_kms, 352 .firstopen = radeon_driver_firstopen_kms, 353 .open = radeon_driver_open_kms, 354 .preclose = radeon_driver_preclose_kms, 355 .postclose = radeon_driver_postclose_kms, 356 .lastclose = radeon_driver_lastclose_kms, 357 .unload = radeon_driver_unload_kms, 358 .suspend = radeon_suspend_kms, 359 .resume = radeon_resume_kms, 360 .get_vblank_counter = radeon_get_vblank_counter_kms, 361 .enable_vblank = radeon_enable_vblank_kms, 362 .disable_vblank = radeon_disable_vblank_kms, 363 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 364 .get_scanout_position = radeon_get_crtc_scanoutpos, 365 #if defined(CONFIG_DEBUG_FS) 366 .debugfs_init = radeon_debugfs_init, 367 .debugfs_cleanup = radeon_debugfs_cleanup, 368 #endif 369 .irq_preinstall = radeon_driver_irq_preinstall_kms, 370 .irq_postinstall = radeon_driver_irq_postinstall_kms, 371 .irq_uninstall = radeon_driver_irq_uninstall_kms, 372 .irq_handler = radeon_driver_irq_handler_kms, 373 .ioctls = radeon_ioctls_kms, 374 .gem_init_object = radeon_gem_object_init, 375 .gem_free_object = radeon_gem_object_free, 376 .gem_open_object = radeon_gem_object_open, 377 .gem_close_object = radeon_gem_object_close, 378 .dma_ioctl = radeon_dma_ioctl_kms, 379 .dumb_create = radeon_mode_dumb_create, 380 .dumb_map_offset = radeon_mode_dumb_mmap, 381 .dumb_destroy = radeon_mode_dumb_destroy, 382 .fops = &radeon_driver_kms_fops, 383 384 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 385 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 386 .gem_prime_export = radeon_gem_prime_export, 387 .gem_prime_import = radeon_gem_prime_import, 388 389 .name = DRIVER_NAME, 390 .desc = DRIVER_DESC, 391 .date = DRIVER_DATE, 392 .major = KMS_DRIVER_MAJOR, 393 .minor = KMS_DRIVER_MINOR, 394 .patchlevel = KMS_DRIVER_PATCHLEVEL, 395 }; 396 397 static struct drm_driver *driver; 398 static struct pci_driver *pdriver; 399 400 static struct pci_driver radeon_pci_driver = { 401 .name = DRIVER_NAME, 402 .id_table = pciidlist, 403 }; 404 405 static struct pci_driver radeon_kms_pci_driver = { 406 .name = DRIVER_NAME, 407 .id_table = pciidlist, 408 .probe = radeon_pci_probe, 409 .remove = radeon_pci_remove, 410 .suspend = radeon_pci_suspend, 411 .resume = radeon_pci_resume, 412 }; 413 414 static int __init radeon_init(void) 415 { 416 driver = &driver_old; 417 pdriver = &radeon_pci_driver; 418 driver->num_ioctls = radeon_max_ioctl; 419 #ifdef CONFIG_VGA_CONSOLE 420 if (vgacon_text_force() && radeon_modeset == -1) { 421 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 422 driver = &driver_old; 423 pdriver = &radeon_pci_driver; 424 driver->driver_features &= ~DRIVER_MODESET; 425 radeon_modeset = 0; 426 } 427 #endif 428 /* if enabled by default */ 429 if (radeon_modeset == -1) { 430 #ifdef CONFIG_DRM_RADEON_KMS 431 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 432 radeon_modeset = 1; 433 #else 434 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 435 radeon_modeset = 0; 436 #endif 437 } 438 if (radeon_modeset == 1) { 439 DRM_INFO("radeon kernel modesetting enabled.\n"); 440 driver = &kms_driver; 441 pdriver = &radeon_kms_pci_driver; 442 driver->driver_features |= DRIVER_MODESET; 443 driver->num_ioctls = radeon_max_kms_ioctl; 444 radeon_register_atpx_handler(); 445 } 446 /* if the vga console setting is enabled still 447 * let modprobe override it */ 448 return drm_pci_init(driver, pdriver); 449 } 450 451 static void __exit radeon_exit(void) 452 { 453 drm_pci_exit(driver, pdriver); 454 radeon_unregister_atpx_handler(); 455 } 456 457 module_init(radeon_init); 458 module_exit(radeon_exit); 459 460 MODULE_AUTHOR(DRIVER_AUTHOR); 461 MODULE_DESCRIPTION(DRIVER_DESC); 462 MODULE_LICENSE("GPL and additional rights"); 463