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 */ 55 #define KMS_DRIVER_MAJOR 2 56 #define KMS_DRIVER_MINOR 10 57 #define KMS_DRIVER_PATCHLEVEL 0 58 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 59 int radeon_driver_unload_kms(struct drm_device *dev); 60 int radeon_driver_firstopen_kms(struct drm_device *dev); 61 void radeon_driver_lastclose_kms(struct drm_device *dev); 62 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 63 void radeon_driver_postclose_kms(struct drm_device *dev, 64 struct drm_file *file_priv); 65 void radeon_driver_preclose_kms(struct drm_device *dev, 66 struct drm_file *file_priv); 67 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 68 int radeon_resume_kms(struct drm_device *dev); 69 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 70 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 71 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 72 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 73 int *max_error, 74 struct timeval *vblank_time, 75 unsigned flags); 76 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 77 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 78 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 79 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 80 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 81 struct drm_file *file_priv); 82 int radeon_gem_object_init(struct drm_gem_object *obj); 83 void radeon_gem_object_free(struct drm_gem_object *obj); 84 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 85 int *vpos, int *hpos); 86 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 87 extern int radeon_max_kms_ioctl; 88 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 89 int radeon_mode_dumb_mmap(struct drm_file *filp, 90 struct drm_device *dev, 91 uint32_t handle, uint64_t *offset_p); 92 int radeon_mode_dumb_create(struct drm_file *file_priv, 93 struct drm_device *dev, 94 struct drm_mode_create_dumb *args); 95 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 96 struct drm_device *dev, 97 uint32_t handle); 98 99 #if defined(CONFIG_DEBUG_FS) 100 int radeon_debugfs_init(struct drm_minor *minor); 101 void radeon_debugfs_cleanup(struct drm_minor *minor); 102 #endif 103 104 105 int radeon_no_wb; 106 int radeon_modeset = -1; 107 int radeon_dynclks = -1; 108 int radeon_r4xx_atom = 0; 109 int radeon_agpmode = 0; 110 int radeon_vram_limit = 0; 111 int radeon_gart_size = 512; /* default gart size */ 112 int radeon_benchmarking = 0; 113 int radeon_testing = 0; 114 int radeon_connector_table = 0; 115 int radeon_tv = 1; 116 int radeon_audio = 0; 117 int radeon_disp_priority = 0; 118 int radeon_hw_i2c = 0; 119 int radeon_pcie_gen2 = 0; 120 121 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 122 module_param_named(no_wb, radeon_no_wb, int, 0444); 123 124 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 125 module_param_named(modeset, radeon_modeset, int, 0400); 126 127 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 128 module_param_named(dynclks, radeon_dynclks, int, 0444); 129 130 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 131 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 132 133 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 134 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 135 136 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 137 module_param_named(agpmode, radeon_agpmode, int, 0444); 138 139 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 140 module_param_named(gartsize, radeon_gart_size, int, 0600); 141 142 MODULE_PARM_DESC(benchmark, "Run benchmark"); 143 module_param_named(benchmark, radeon_benchmarking, int, 0444); 144 145 MODULE_PARM_DESC(test, "Run tests"); 146 module_param_named(test, radeon_testing, int, 0444); 147 148 MODULE_PARM_DESC(connector_table, "Force connector table"); 149 module_param_named(connector_table, radeon_connector_table, int, 0444); 150 151 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 152 module_param_named(tv, radeon_tv, int, 0444); 153 154 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)"); 155 module_param_named(audio, radeon_audio, int, 0444); 156 157 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 158 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 159 160 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 161 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 162 163 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); 164 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 165 166 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 167 { 168 drm_radeon_private_t *dev_priv = dev->dev_private; 169 170 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 171 return 0; 172 173 /* Disable *all* interrupts */ 174 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 175 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 176 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 177 return 0; 178 } 179 180 static int radeon_resume(struct drm_device *dev) 181 { 182 drm_radeon_private_t *dev_priv = dev->dev_private; 183 184 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 185 return 0; 186 187 /* Restore interrupt registers */ 188 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 189 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 190 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 191 return 0; 192 } 193 194 static struct pci_device_id pciidlist[] = { 195 radeon_PCI_IDS 196 }; 197 198 #if defined(CONFIG_DRM_RADEON_KMS) 199 MODULE_DEVICE_TABLE(pci, pciidlist); 200 #endif 201 202 static struct drm_driver driver_old = { 203 .driver_features = 204 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 205 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 206 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 207 .load = radeon_driver_load, 208 .firstopen = radeon_driver_firstopen, 209 .open = radeon_driver_open, 210 .preclose = radeon_driver_preclose, 211 .postclose = radeon_driver_postclose, 212 .lastclose = radeon_driver_lastclose, 213 .unload = radeon_driver_unload, 214 .suspend = radeon_suspend, 215 .resume = radeon_resume, 216 .get_vblank_counter = radeon_get_vblank_counter, 217 .enable_vblank = radeon_enable_vblank, 218 .disable_vblank = radeon_disable_vblank, 219 .master_create = radeon_master_create, 220 .master_destroy = radeon_master_destroy, 221 .irq_preinstall = radeon_driver_irq_preinstall, 222 .irq_postinstall = radeon_driver_irq_postinstall, 223 .irq_uninstall = radeon_driver_irq_uninstall, 224 .irq_handler = radeon_driver_irq_handler, 225 .reclaim_buffers = drm_core_reclaim_buffers, 226 .ioctls = radeon_ioctls, 227 .dma_ioctl = radeon_cp_buffers, 228 .fops = { 229 .owner = THIS_MODULE, 230 .open = drm_open, 231 .release = drm_release, 232 .unlocked_ioctl = drm_ioctl, 233 .mmap = drm_mmap, 234 .poll = drm_poll, 235 .fasync = drm_fasync, 236 .read = drm_read, 237 #ifdef CONFIG_COMPAT 238 .compat_ioctl = radeon_compat_ioctl, 239 #endif 240 .llseek = noop_llseek, 241 }, 242 243 .name = DRIVER_NAME, 244 .desc = DRIVER_DESC, 245 .date = DRIVER_DATE, 246 .major = DRIVER_MAJOR, 247 .minor = DRIVER_MINOR, 248 .patchlevel = DRIVER_PATCHLEVEL, 249 }; 250 251 static struct drm_driver kms_driver; 252 253 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 254 { 255 struct apertures_struct *ap; 256 bool primary = false; 257 258 ap = alloc_apertures(1); 259 ap->ranges[0].base = pci_resource_start(pdev, 0); 260 ap->ranges[0].size = pci_resource_len(pdev, 0); 261 262 #ifdef CONFIG_X86 263 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 264 #endif 265 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 266 kfree(ap); 267 } 268 269 static int __devinit 270 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 271 { 272 /* Get rid of things like offb */ 273 radeon_kick_out_firmware_fb(pdev); 274 275 return drm_get_pci_dev(pdev, ent, &kms_driver); 276 } 277 278 static void 279 radeon_pci_remove(struct pci_dev *pdev) 280 { 281 struct drm_device *dev = pci_get_drvdata(pdev); 282 283 drm_put_dev(dev); 284 } 285 286 static int 287 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 288 { 289 struct drm_device *dev = pci_get_drvdata(pdev); 290 return radeon_suspend_kms(dev, state); 291 } 292 293 static int 294 radeon_pci_resume(struct pci_dev *pdev) 295 { 296 struct drm_device *dev = pci_get_drvdata(pdev); 297 return radeon_resume_kms(dev); 298 } 299 300 static struct drm_driver kms_driver = { 301 .driver_features = 302 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 303 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 304 .dev_priv_size = 0, 305 .load = radeon_driver_load_kms, 306 .firstopen = radeon_driver_firstopen_kms, 307 .open = radeon_driver_open_kms, 308 .preclose = radeon_driver_preclose_kms, 309 .postclose = radeon_driver_postclose_kms, 310 .lastclose = radeon_driver_lastclose_kms, 311 .unload = radeon_driver_unload_kms, 312 .suspend = radeon_suspend_kms, 313 .resume = radeon_resume_kms, 314 .get_vblank_counter = radeon_get_vblank_counter_kms, 315 .enable_vblank = radeon_enable_vblank_kms, 316 .disable_vblank = radeon_disable_vblank_kms, 317 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 318 .get_scanout_position = radeon_get_crtc_scanoutpos, 319 #if defined(CONFIG_DEBUG_FS) 320 .debugfs_init = radeon_debugfs_init, 321 .debugfs_cleanup = radeon_debugfs_cleanup, 322 #endif 323 .irq_preinstall = radeon_driver_irq_preinstall_kms, 324 .irq_postinstall = radeon_driver_irq_postinstall_kms, 325 .irq_uninstall = radeon_driver_irq_uninstall_kms, 326 .irq_handler = radeon_driver_irq_handler_kms, 327 .reclaim_buffers = drm_core_reclaim_buffers, 328 .ioctls = radeon_ioctls_kms, 329 .gem_init_object = radeon_gem_object_init, 330 .gem_free_object = radeon_gem_object_free, 331 .dma_ioctl = radeon_dma_ioctl_kms, 332 .dumb_create = radeon_mode_dumb_create, 333 .dumb_map_offset = radeon_mode_dumb_mmap, 334 .dumb_destroy = radeon_mode_dumb_destroy, 335 .fops = { 336 .owner = THIS_MODULE, 337 .open = drm_open, 338 .release = drm_release, 339 .unlocked_ioctl = drm_ioctl, 340 .mmap = radeon_mmap, 341 .poll = drm_poll, 342 .fasync = drm_fasync, 343 .read = drm_read, 344 #ifdef CONFIG_COMPAT 345 .compat_ioctl = radeon_kms_compat_ioctl, 346 #endif 347 }, 348 349 .name = DRIVER_NAME, 350 .desc = DRIVER_DESC, 351 .date = DRIVER_DATE, 352 .major = KMS_DRIVER_MAJOR, 353 .minor = KMS_DRIVER_MINOR, 354 .patchlevel = KMS_DRIVER_PATCHLEVEL, 355 }; 356 357 static struct drm_driver *driver; 358 static struct pci_driver *pdriver; 359 360 static struct pci_driver radeon_pci_driver = { 361 .name = DRIVER_NAME, 362 .id_table = pciidlist, 363 }; 364 365 static struct pci_driver radeon_kms_pci_driver = { 366 .name = DRIVER_NAME, 367 .id_table = pciidlist, 368 .probe = radeon_pci_probe, 369 .remove = radeon_pci_remove, 370 .suspend = radeon_pci_suspend, 371 .resume = radeon_pci_resume, 372 }; 373 374 static int __init radeon_init(void) 375 { 376 driver = &driver_old; 377 pdriver = &radeon_pci_driver; 378 driver->num_ioctls = radeon_max_ioctl; 379 #ifdef CONFIG_VGA_CONSOLE 380 if (vgacon_text_force() && radeon_modeset == -1) { 381 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 382 driver = &driver_old; 383 pdriver = &radeon_pci_driver; 384 driver->driver_features &= ~DRIVER_MODESET; 385 radeon_modeset = 0; 386 } 387 #endif 388 /* if enabled by default */ 389 if (radeon_modeset == -1) { 390 #ifdef CONFIG_DRM_RADEON_KMS 391 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 392 radeon_modeset = 1; 393 #else 394 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 395 radeon_modeset = 0; 396 #endif 397 } 398 if (radeon_modeset == 1) { 399 DRM_INFO("radeon kernel modesetting enabled.\n"); 400 driver = &kms_driver; 401 pdriver = &radeon_kms_pci_driver; 402 driver->driver_features |= DRIVER_MODESET; 403 driver->num_ioctls = radeon_max_kms_ioctl; 404 radeon_register_atpx_handler(); 405 } 406 /* if the vga console setting is enabled still 407 * let modprobe override it */ 408 return drm_pci_init(driver, pdriver); 409 } 410 411 static void __exit radeon_exit(void) 412 { 413 drm_pci_exit(driver, pdriver); 414 radeon_unregister_atpx_handler(); 415 } 416 417 module_init(radeon_init); 418 module_exit(radeon_exit); 419 420 MODULE_AUTHOR(DRIVER_AUTHOR); 421 MODULE_DESCRIPTION(DRIVER_DESC); 422 MODULE_LICENSE("GPL and additional rights"); 423