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 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 */ 56 #define KMS_DRIVER_MAJOR 2 57 #define KMS_DRIVER_MINOR 11 58 #define KMS_DRIVER_PATCHLEVEL 0 59 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 60 int radeon_driver_unload_kms(struct drm_device *dev); 61 int radeon_driver_firstopen_kms(struct drm_device *dev); 62 void radeon_driver_lastclose_kms(struct drm_device *dev); 63 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 64 void radeon_driver_postclose_kms(struct drm_device *dev, 65 struct drm_file *file_priv); 66 void radeon_driver_preclose_kms(struct drm_device *dev, 67 struct drm_file *file_priv); 68 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 69 int radeon_resume_kms(struct drm_device *dev); 70 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 71 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 72 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 73 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 74 int *max_error, 75 struct timeval *vblank_time, 76 unsigned flags); 77 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 78 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 79 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 80 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 81 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 82 struct drm_file *file_priv); 83 int radeon_gem_object_init(struct drm_gem_object *obj); 84 void radeon_gem_object_free(struct drm_gem_object *obj); 85 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 86 int *vpos, int *hpos); 87 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 88 extern int radeon_max_kms_ioctl; 89 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 90 int radeon_mode_dumb_mmap(struct drm_file *filp, 91 struct drm_device *dev, 92 uint32_t handle, uint64_t *offset_p); 93 int radeon_mode_dumb_create(struct drm_file *file_priv, 94 struct drm_device *dev, 95 struct drm_mode_create_dumb *args); 96 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 97 struct drm_device *dev, 98 uint32_t handle); 99 100 #if defined(CONFIG_DEBUG_FS) 101 int radeon_debugfs_init(struct drm_minor *minor); 102 void radeon_debugfs_cleanup(struct drm_minor *minor); 103 #endif 104 105 106 int radeon_no_wb; 107 int radeon_modeset = -1; 108 int radeon_dynclks = -1; 109 int radeon_r4xx_atom = 0; 110 int radeon_agpmode = 0; 111 int radeon_vram_limit = 0; 112 int radeon_gart_size = 512; /* default gart size */ 113 int radeon_benchmarking = 0; 114 int radeon_testing = 0; 115 int radeon_connector_table = 0; 116 int radeon_tv = 1; 117 int radeon_audio = 0; 118 int radeon_disp_priority = 0; 119 int radeon_hw_i2c = 0; 120 int radeon_pcie_gen2 = 0; 121 122 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 123 module_param_named(no_wb, radeon_no_wb, int, 0444); 124 125 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 126 module_param_named(modeset, radeon_modeset, int, 0400); 127 128 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 129 module_param_named(dynclks, radeon_dynclks, int, 0444); 130 131 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 132 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 133 134 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 135 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 136 137 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 138 module_param_named(agpmode, radeon_agpmode, int, 0444); 139 140 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 141 module_param_named(gartsize, radeon_gart_size, int, 0600); 142 143 MODULE_PARM_DESC(benchmark, "Run benchmark"); 144 module_param_named(benchmark, radeon_benchmarking, int, 0444); 145 146 MODULE_PARM_DESC(test, "Run tests"); 147 module_param_named(test, radeon_testing, int, 0444); 148 149 MODULE_PARM_DESC(connector_table, "Force connector table"); 150 module_param_named(connector_table, radeon_connector_table, int, 0444); 151 152 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 153 module_param_named(tv, radeon_tv, int, 0444); 154 155 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 156 module_param_named(audio, radeon_audio, int, 0444); 157 158 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 159 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 160 161 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 162 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 163 164 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); 165 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 166 167 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 168 { 169 drm_radeon_private_t *dev_priv = dev->dev_private; 170 171 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 172 return 0; 173 174 /* Disable *all* interrupts */ 175 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 176 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 177 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 178 return 0; 179 } 180 181 static int radeon_resume(struct drm_device *dev) 182 { 183 drm_radeon_private_t *dev_priv = dev->dev_private; 184 185 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 186 return 0; 187 188 /* Restore interrupt registers */ 189 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 190 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 191 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 192 return 0; 193 } 194 195 static struct pci_device_id pciidlist[] = { 196 radeon_PCI_IDS 197 }; 198 199 #if defined(CONFIG_DRM_RADEON_KMS) 200 MODULE_DEVICE_TABLE(pci, pciidlist); 201 #endif 202 203 static struct drm_driver driver_old = { 204 .driver_features = 205 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 206 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 207 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 208 .load = radeon_driver_load, 209 .firstopen = radeon_driver_firstopen, 210 .open = radeon_driver_open, 211 .preclose = radeon_driver_preclose, 212 .postclose = radeon_driver_postclose, 213 .lastclose = radeon_driver_lastclose, 214 .unload = radeon_driver_unload, 215 .suspend = radeon_suspend, 216 .resume = radeon_resume, 217 .get_vblank_counter = radeon_get_vblank_counter, 218 .enable_vblank = radeon_enable_vblank, 219 .disable_vblank = radeon_disable_vblank, 220 .master_create = radeon_master_create, 221 .master_destroy = radeon_master_destroy, 222 .irq_preinstall = radeon_driver_irq_preinstall, 223 .irq_postinstall = radeon_driver_irq_postinstall, 224 .irq_uninstall = radeon_driver_irq_uninstall, 225 .irq_handler = radeon_driver_irq_handler, 226 .reclaim_buffers = drm_core_reclaim_buffers, 227 .ioctls = radeon_ioctls, 228 .dma_ioctl = radeon_cp_buffers, 229 .fops = { 230 .owner = THIS_MODULE, 231 .open = drm_open, 232 .release = drm_release, 233 .unlocked_ioctl = drm_ioctl, 234 .mmap = drm_mmap, 235 .poll = drm_poll, 236 .fasync = drm_fasync, 237 .read = drm_read, 238 #ifdef CONFIG_COMPAT 239 .compat_ioctl = radeon_compat_ioctl, 240 #endif 241 .llseek = noop_llseek, 242 }, 243 244 .name = DRIVER_NAME, 245 .desc = DRIVER_DESC, 246 .date = DRIVER_DATE, 247 .major = DRIVER_MAJOR, 248 .minor = DRIVER_MINOR, 249 .patchlevel = DRIVER_PATCHLEVEL, 250 }; 251 252 static struct drm_driver kms_driver; 253 254 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 255 { 256 struct apertures_struct *ap; 257 bool primary = false; 258 259 ap = alloc_apertures(1); 260 ap->ranges[0].base = pci_resource_start(pdev, 0); 261 ap->ranges[0].size = pci_resource_len(pdev, 0); 262 263 #ifdef CONFIG_X86 264 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 265 #endif 266 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 267 kfree(ap); 268 } 269 270 static int __devinit 271 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 272 { 273 /* Get rid of things like offb */ 274 radeon_kick_out_firmware_fb(pdev); 275 276 return drm_get_pci_dev(pdev, ent, &kms_driver); 277 } 278 279 static void 280 radeon_pci_remove(struct pci_dev *pdev) 281 { 282 struct drm_device *dev = pci_get_drvdata(pdev); 283 284 drm_put_dev(dev); 285 } 286 287 static int 288 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 289 { 290 struct drm_device *dev = pci_get_drvdata(pdev); 291 return radeon_suspend_kms(dev, state); 292 } 293 294 static int 295 radeon_pci_resume(struct pci_dev *pdev) 296 { 297 struct drm_device *dev = pci_get_drvdata(pdev); 298 return radeon_resume_kms(dev); 299 } 300 301 static struct drm_driver kms_driver = { 302 .driver_features = 303 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 304 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 305 .dev_priv_size = 0, 306 .load = radeon_driver_load_kms, 307 .firstopen = radeon_driver_firstopen_kms, 308 .open = radeon_driver_open_kms, 309 .preclose = radeon_driver_preclose_kms, 310 .postclose = radeon_driver_postclose_kms, 311 .lastclose = radeon_driver_lastclose_kms, 312 .unload = radeon_driver_unload_kms, 313 .suspend = radeon_suspend_kms, 314 .resume = radeon_resume_kms, 315 .get_vblank_counter = radeon_get_vblank_counter_kms, 316 .enable_vblank = radeon_enable_vblank_kms, 317 .disable_vblank = radeon_disable_vblank_kms, 318 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 319 .get_scanout_position = radeon_get_crtc_scanoutpos, 320 #if defined(CONFIG_DEBUG_FS) 321 .debugfs_init = radeon_debugfs_init, 322 .debugfs_cleanup = radeon_debugfs_cleanup, 323 #endif 324 .irq_preinstall = radeon_driver_irq_preinstall_kms, 325 .irq_postinstall = radeon_driver_irq_postinstall_kms, 326 .irq_uninstall = radeon_driver_irq_uninstall_kms, 327 .irq_handler = radeon_driver_irq_handler_kms, 328 .reclaim_buffers = drm_core_reclaim_buffers, 329 .ioctls = radeon_ioctls_kms, 330 .gem_init_object = radeon_gem_object_init, 331 .gem_free_object = radeon_gem_object_free, 332 .dma_ioctl = radeon_dma_ioctl_kms, 333 .dumb_create = radeon_mode_dumb_create, 334 .dumb_map_offset = radeon_mode_dumb_mmap, 335 .dumb_destroy = radeon_mode_dumb_destroy, 336 .fops = { 337 .owner = THIS_MODULE, 338 .open = drm_open, 339 .release = drm_release, 340 .unlocked_ioctl = drm_ioctl, 341 .mmap = radeon_mmap, 342 .poll = drm_poll, 343 .fasync = drm_fasync, 344 .read = drm_read, 345 #ifdef CONFIG_COMPAT 346 .compat_ioctl = radeon_kms_compat_ioctl, 347 #endif 348 }, 349 350 .name = DRIVER_NAME, 351 .desc = DRIVER_DESC, 352 .date = DRIVER_DATE, 353 .major = KMS_DRIVER_MAJOR, 354 .minor = KMS_DRIVER_MINOR, 355 .patchlevel = KMS_DRIVER_PATCHLEVEL, 356 }; 357 358 static struct drm_driver *driver; 359 static struct pci_driver *pdriver; 360 361 static struct pci_driver radeon_pci_driver = { 362 .name = DRIVER_NAME, 363 .id_table = pciidlist, 364 }; 365 366 static struct pci_driver radeon_kms_pci_driver = { 367 .name = DRIVER_NAME, 368 .id_table = pciidlist, 369 .probe = radeon_pci_probe, 370 .remove = radeon_pci_remove, 371 .suspend = radeon_pci_suspend, 372 .resume = radeon_pci_resume, 373 }; 374 375 static int __init radeon_init(void) 376 { 377 driver = &driver_old; 378 pdriver = &radeon_pci_driver; 379 driver->num_ioctls = radeon_max_ioctl; 380 #ifdef CONFIG_VGA_CONSOLE 381 if (vgacon_text_force() && radeon_modeset == -1) { 382 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 383 driver = &driver_old; 384 pdriver = &radeon_pci_driver; 385 driver->driver_features &= ~DRIVER_MODESET; 386 radeon_modeset = 0; 387 } 388 #endif 389 /* if enabled by default */ 390 if (radeon_modeset == -1) { 391 #ifdef CONFIG_DRM_RADEON_KMS 392 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 393 radeon_modeset = 1; 394 #else 395 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 396 radeon_modeset = 0; 397 #endif 398 } 399 if (radeon_modeset == 1) { 400 DRM_INFO("radeon kernel modesetting enabled.\n"); 401 driver = &kms_driver; 402 pdriver = &radeon_kms_pci_driver; 403 driver->driver_features |= DRIVER_MODESET; 404 driver->num_ioctls = radeon_max_kms_ioctl; 405 radeon_register_atpx_handler(); 406 } 407 /* if the vga console setting is enabled still 408 * let modprobe override it */ 409 return drm_pci_init(driver, pdriver); 410 } 411 412 static void __exit radeon_exit(void) 413 { 414 drm_pci_exit(driver, pdriver); 415 radeon_unregister_atpx_handler(); 416 } 417 418 module_init(radeon_init); 419 module_exit(radeon_exit); 420 421 MODULE_AUTHOR(DRIVER_AUTHOR); 422 MODULE_DESCRIPTION(DRIVER_DESC); 423 MODULE_LICENSE("GPL and additional rights"); 424