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 58 */ 59 #define KMS_DRIVER_MAJOR 2 60 #define KMS_DRIVER_MINOR 13 61 #define KMS_DRIVER_PATCHLEVEL 0 62 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 63 int radeon_driver_unload_kms(struct drm_device *dev); 64 int radeon_driver_firstopen_kms(struct drm_device *dev); 65 void radeon_driver_lastclose_kms(struct drm_device *dev); 66 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 67 void radeon_driver_postclose_kms(struct drm_device *dev, 68 struct drm_file *file_priv); 69 void radeon_driver_preclose_kms(struct drm_device *dev, 70 struct drm_file *file_priv); 71 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 72 int radeon_resume_kms(struct drm_device *dev); 73 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 74 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 75 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 76 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 77 int *max_error, 78 struct timeval *vblank_time, 79 unsigned flags); 80 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 81 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 82 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 83 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 84 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 85 struct drm_file *file_priv); 86 int radeon_gem_object_init(struct drm_gem_object *obj); 87 void radeon_gem_object_free(struct drm_gem_object *obj); 88 int radeon_gem_object_open(struct drm_gem_object *obj, 89 struct drm_file *file_priv); 90 void radeon_gem_object_close(struct drm_gem_object *obj, 91 struct drm_file *file_priv); 92 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 93 int *vpos, int *hpos); 94 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 95 extern int radeon_max_kms_ioctl; 96 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 97 int radeon_mode_dumb_mmap(struct drm_file *filp, 98 struct drm_device *dev, 99 uint32_t handle, uint64_t *offset_p); 100 int radeon_mode_dumb_create(struct drm_file *file_priv, 101 struct drm_device *dev, 102 struct drm_mode_create_dumb *args); 103 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 104 struct drm_device *dev, 105 uint32_t handle); 106 107 #if defined(CONFIG_DEBUG_FS) 108 int radeon_debugfs_init(struct drm_minor *minor); 109 void radeon_debugfs_cleanup(struct drm_minor *minor); 110 #endif 111 112 113 int radeon_no_wb; 114 int radeon_modeset = -1; 115 int radeon_dynclks = -1; 116 int radeon_r4xx_atom = 0; 117 int radeon_agpmode = 0; 118 int radeon_vram_limit = 0; 119 int radeon_gart_size = 512; /* default gart size */ 120 int radeon_benchmarking = 0; 121 int radeon_testing = 0; 122 int radeon_connector_table = 0; 123 int radeon_tv = 1; 124 int radeon_audio = 0; 125 int radeon_disp_priority = 0; 126 int radeon_hw_i2c = 0; 127 int radeon_pcie_gen2 = 0; 128 int radeon_msi = -1; 129 130 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 131 module_param_named(no_wb, radeon_no_wb, int, 0444); 132 133 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 134 module_param_named(modeset, radeon_modeset, int, 0400); 135 136 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 137 module_param_named(dynclks, radeon_dynclks, int, 0444); 138 139 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 140 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 141 142 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 143 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 144 145 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 146 module_param_named(agpmode, radeon_agpmode, int, 0444); 147 148 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)"); 149 module_param_named(gartsize, radeon_gart_size, int, 0600); 150 151 MODULE_PARM_DESC(benchmark, "Run benchmark"); 152 module_param_named(benchmark, radeon_benchmarking, int, 0444); 153 154 MODULE_PARM_DESC(test, "Run tests"); 155 module_param_named(test, radeon_testing, int, 0444); 156 157 MODULE_PARM_DESC(connector_table, "Force connector table"); 158 module_param_named(connector_table, radeon_connector_table, int, 0444); 159 160 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 161 module_param_named(tv, radeon_tv, int, 0444); 162 163 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 164 module_param_named(audio, radeon_audio, int, 0444); 165 166 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 167 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 168 169 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 170 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 171 172 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); 173 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 174 175 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); 176 module_param_named(msi, radeon_msi, int, 0444); 177 178 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 179 { 180 drm_radeon_private_t *dev_priv = dev->dev_private; 181 182 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 183 return 0; 184 185 /* Disable *all* interrupts */ 186 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 187 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 188 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 189 return 0; 190 } 191 192 static int radeon_resume(struct drm_device *dev) 193 { 194 drm_radeon_private_t *dev_priv = dev->dev_private; 195 196 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 197 return 0; 198 199 /* Restore interrupt registers */ 200 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 201 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 202 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 203 return 0; 204 } 205 206 static struct pci_device_id pciidlist[] = { 207 radeon_PCI_IDS 208 }; 209 210 #if defined(CONFIG_DRM_RADEON_KMS) 211 MODULE_DEVICE_TABLE(pci, pciidlist); 212 #endif 213 214 static const struct file_operations radeon_driver_old_fops = { 215 .owner = THIS_MODULE, 216 .open = drm_open, 217 .release = drm_release, 218 .unlocked_ioctl = drm_ioctl, 219 .mmap = drm_mmap, 220 .poll = drm_poll, 221 .fasync = drm_fasync, 222 .read = drm_read, 223 #ifdef CONFIG_COMPAT 224 .compat_ioctl = radeon_compat_ioctl, 225 #endif 226 .llseek = noop_llseek, 227 }; 228 229 static struct drm_driver driver_old = { 230 .driver_features = 231 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 232 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 233 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 234 .load = radeon_driver_load, 235 .firstopen = radeon_driver_firstopen, 236 .open = radeon_driver_open, 237 .preclose = radeon_driver_preclose, 238 .postclose = radeon_driver_postclose, 239 .lastclose = radeon_driver_lastclose, 240 .unload = radeon_driver_unload, 241 .suspend = radeon_suspend, 242 .resume = radeon_resume, 243 .get_vblank_counter = radeon_get_vblank_counter, 244 .enable_vblank = radeon_enable_vblank, 245 .disable_vblank = radeon_disable_vblank, 246 .master_create = radeon_master_create, 247 .master_destroy = radeon_master_destroy, 248 .irq_preinstall = radeon_driver_irq_preinstall, 249 .irq_postinstall = radeon_driver_irq_postinstall, 250 .irq_uninstall = radeon_driver_irq_uninstall, 251 .irq_handler = radeon_driver_irq_handler, 252 .reclaim_buffers = drm_core_reclaim_buffers, 253 .ioctls = radeon_ioctls, 254 .dma_ioctl = radeon_cp_buffers, 255 .fops = &radeon_driver_old_fops, 256 .name = DRIVER_NAME, 257 .desc = DRIVER_DESC, 258 .date = DRIVER_DATE, 259 .major = DRIVER_MAJOR, 260 .minor = DRIVER_MINOR, 261 .patchlevel = DRIVER_PATCHLEVEL, 262 }; 263 264 static struct drm_driver kms_driver; 265 266 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 267 { 268 struct apertures_struct *ap; 269 bool primary = false; 270 271 ap = alloc_apertures(1); 272 ap->ranges[0].base = pci_resource_start(pdev, 0); 273 ap->ranges[0].size = pci_resource_len(pdev, 0); 274 275 #ifdef CONFIG_X86 276 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 277 #endif 278 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 279 kfree(ap); 280 } 281 282 static int __devinit 283 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 284 { 285 /* Get rid of things like offb */ 286 radeon_kick_out_firmware_fb(pdev); 287 288 return drm_get_pci_dev(pdev, ent, &kms_driver); 289 } 290 291 static void 292 radeon_pci_remove(struct pci_dev *pdev) 293 { 294 struct drm_device *dev = pci_get_drvdata(pdev); 295 296 drm_put_dev(dev); 297 } 298 299 static int 300 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 301 { 302 struct drm_device *dev = pci_get_drvdata(pdev); 303 return radeon_suspend_kms(dev, state); 304 } 305 306 static int 307 radeon_pci_resume(struct pci_dev *pdev) 308 { 309 struct drm_device *dev = pci_get_drvdata(pdev); 310 return radeon_resume_kms(dev); 311 } 312 313 static const struct file_operations radeon_driver_kms_fops = { 314 .owner = THIS_MODULE, 315 .open = drm_open, 316 .release = drm_release, 317 .unlocked_ioctl = drm_ioctl, 318 .mmap = radeon_mmap, 319 .poll = drm_poll, 320 .fasync = drm_fasync, 321 .read = drm_read, 322 #ifdef CONFIG_COMPAT 323 .compat_ioctl = radeon_kms_compat_ioctl, 324 #endif 325 }; 326 327 static struct drm_driver kms_driver = { 328 .driver_features = 329 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 330 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 331 .dev_priv_size = 0, 332 .load = radeon_driver_load_kms, 333 .firstopen = radeon_driver_firstopen_kms, 334 .open = radeon_driver_open_kms, 335 .preclose = radeon_driver_preclose_kms, 336 .postclose = radeon_driver_postclose_kms, 337 .lastclose = radeon_driver_lastclose_kms, 338 .unload = radeon_driver_unload_kms, 339 .suspend = radeon_suspend_kms, 340 .resume = radeon_resume_kms, 341 .get_vblank_counter = radeon_get_vblank_counter_kms, 342 .enable_vblank = radeon_enable_vblank_kms, 343 .disable_vblank = radeon_disable_vblank_kms, 344 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 345 .get_scanout_position = radeon_get_crtc_scanoutpos, 346 #if defined(CONFIG_DEBUG_FS) 347 .debugfs_init = radeon_debugfs_init, 348 .debugfs_cleanup = radeon_debugfs_cleanup, 349 #endif 350 .irq_preinstall = radeon_driver_irq_preinstall_kms, 351 .irq_postinstall = radeon_driver_irq_postinstall_kms, 352 .irq_uninstall = radeon_driver_irq_uninstall_kms, 353 .irq_handler = radeon_driver_irq_handler_kms, 354 .reclaim_buffers = drm_core_reclaim_buffers, 355 .ioctls = radeon_ioctls_kms, 356 .gem_init_object = radeon_gem_object_init, 357 .gem_free_object = radeon_gem_object_free, 358 .gem_open_object = radeon_gem_object_open, 359 .gem_close_object = radeon_gem_object_close, 360 .dma_ioctl = radeon_dma_ioctl_kms, 361 .dumb_create = radeon_mode_dumb_create, 362 .dumb_map_offset = radeon_mode_dumb_mmap, 363 .dumb_destroy = radeon_mode_dumb_destroy, 364 .fops = &radeon_driver_kms_fops, 365 .name = DRIVER_NAME, 366 .desc = DRIVER_DESC, 367 .date = DRIVER_DATE, 368 .major = KMS_DRIVER_MAJOR, 369 .minor = KMS_DRIVER_MINOR, 370 .patchlevel = KMS_DRIVER_PATCHLEVEL, 371 }; 372 373 static struct drm_driver *driver; 374 static struct pci_driver *pdriver; 375 376 static struct pci_driver radeon_pci_driver = { 377 .name = DRIVER_NAME, 378 .id_table = pciidlist, 379 }; 380 381 static struct pci_driver radeon_kms_pci_driver = { 382 .name = DRIVER_NAME, 383 .id_table = pciidlist, 384 .probe = radeon_pci_probe, 385 .remove = radeon_pci_remove, 386 .suspend = radeon_pci_suspend, 387 .resume = radeon_pci_resume, 388 }; 389 390 static int __init radeon_init(void) 391 { 392 driver = &driver_old; 393 pdriver = &radeon_pci_driver; 394 driver->num_ioctls = radeon_max_ioctl; 395 #ifdef CONFIG_VGA_CONSOLE 396 if (vgacon_text_force() && radeon_modeset == -1) { 397 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 398 driver = &driver_old; 399 pdriver = &radeon_pci_driver; 400 driver->driver_features &= ~DRIVER_MODESET; 401 radeon_modeset = 0; 402 } 403 #endif 404 /* if enabled by default */ 405 if (radeon_modeset == -1) { 406 #ifdef CONFIG_DRM_RADEON_KMS 407 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 408 radeon_modeset = 1; 409 #else 410 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 411 radeon_modeset = 0; 412 #endif 413 } 414 if (radeon_modeset == 1) { 415 DRM_INFO("radeon kernel modesetting enabled.\n"); 416 driver = &kms_driver; 417 pdriver = &radeon_kms_pci_driver; 418 driver->driver_features |= DRIVER_MODESET; 419 driver->num_ioctls = radeon_max_kms_ioctl; 420 radeon_register_atpx_handler(); 421 } 422 /* if the vga console setting is enabled still 423 * let modprobe override it */ 424 return drm_pci_init(driver, pdriver); 425 } 426 427 static void __exit radeon_exit(void) 428 { 429 drm_pci_exit(driver, pdriver); 430 radeon_unregister_atpx_handler(); 431 } 432 433 module_init(radeon_init); 434 module_exit(radeon_exit); 435 436 MODULE_AUTHOR(DRIVER_AUTHOR); 437 MODULE_DESCRIPTION(DRIVER_DESC); 438 MODULE_LICENSE("GPL and additional rights"); 439