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 */ 54 #define KMS_DRIVER_MAJOR 2 55 #define KMS_DRIVER_MINOR 9 56 #define KMS_DRIVER_PATCHLEVEL 0 57 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 58 int radeon_driver_unload_kms(struct drm_device *dev); 59 int radeon_driver_firstopen_kms(struct drm_device *dev); 60 void radeon_driver_lastclose_kms(struct drm_device *dev); 61 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 62 void radeon_driver_postclose_kms(struct drm_device *dev, 63 struct drm_file *file_priv); 64 void radeon_driver_preclose_kms(struct drm_device *dev, 65 struct drm_file *file_priv); 66 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 67 int radeon_resume_kms(struct drm_device *dev); 68 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 69 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 70 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 71 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 72 int *max_error, 73 struct timeval *vblank_time, 74 unsigned flags); 75 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 76 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 77 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 78 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 79 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 80 struct drm_file *file_priv); 81 int radeon_gem_object_init(struct drm_gem_object *obj); 82 void radeon_gem_object_free(struct drm_gem_object *obj); 83 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 84 int *vpos, int *hpos); 85 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 86 extern int radeon_max_kms_ioctl; 87 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 88 int radeon_mode_dumb_mmap(struct drm_file *filp, 89 struct drm_device *dev, 90 uint32_t handle, uint64_t *offset_p); 91 int radeon_mode_dumb_create(struct drm_file *file_priv, 92 struct drm_device *dev, 93 struct drm_mode_create_dumb *args); 94 int radeon_mode_dumb_destroy(struct drm_file *file_priv, 95 struct drm_device *dev, 96 uint32_t handle); 97 98 #if defined(CONFIG_DEBUG_FS) 99 int radeon_debugfs_init(struct drm_minor *minor); 100 void radeon_debugfs_cleanup(struct drm_minor *minor); 101 #endif 102 103 104 int radeon_no_wb; 105 int radeon_modeset = -1; 106 int radeon_dynclks = -1; 107 int radeon_r4xx_atom = 0; 108 int radeon_agpmode = 0; 109 int radeon_vram_limit = 0; 110 int radeon_gart_size = 512; /* default gart size */ 111 int radeon_benchmarking = 0; 112 int radeon_testing = 0; 113 int radeon_connector_table = 0; 114 int radeon_tv = 1; 115 int radeon_audio = 1; 116 int radeon_disp_priority = 0; 117 int radeon_hw_i2c = 0; 118 int radeon_pcie_gen2 = 0; 119 120 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 121 module_param_named(no_wb, radeon_no_wb, int, 0444); 122 123 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 124 module_param_named(modeset, radeon_modeset, int, 0400); 125 126 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 127 module_param_named(dynclks, radeon_dynclks, int, 0444); 128 129 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 130 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 131 132 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 133 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 134 135 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 136 module_param_named(agpmode, radeon_agpmode, int, 0444); 137 138 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 139 module_param_named(gartsize, radeon_gart_size, int, 0600); 140 141 MODULE_PARM_DESC(benchmark, "Run benchmark"); 142 module_param_named(benchmark, radeon_benchmarking, int, 0444); 143 144 MODULE_PARM_DESC(test, "Run tests"); 145 module_param_named(test, radeon_testing, int, 0444); 146 147 MODULE_PARM_DESC(connector_table, "Force connector table"); 148 module_param_named(connector_table, radeon_connector_table, int, 0444); 149 150 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 151 module_param_named(tv, radeon_tv, int, 0444); 152 153 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)"); 154 module_param_named(audio, radeon_audio, int, 0444); 155 156 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 157 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 158 159 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 160 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 161 162 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); 163 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 164 165 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 166 { 167 drm_radeon_private_t *dev_priv = dev->dev_private; 168 169 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 170 return 0; 171 172 /* Disable *all* interrupts */ 173 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 174 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 175 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 176 return 0; 177 } 178 179 static int radeon_resume(struct drm_device *dev) 180 { 181 drm_radeon_private_t *dev_priv = dev->dev_private; 182 183 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 184 return 0; 185 186 /* Restore interrupt registers */ 187 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 188 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 189 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 190 return 0; 191 } 192 193 static struct pci_device_id pciidlist[] = { 194 radeon_PCI_IDS 195 }; 196 197 #if defined(CONFIG_DRM_RADEON_KMS) 198 MODULE_DEVICE_TABLE(pci, pciidlist); 199 #endif 200 201 static struct drm_driver driver_old = { 202 .driver_features = 203 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 204 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 205 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 206 .load = radeon_driver_load, 207 .firstopen = radeon_driver_firstopen, 208 .open = radeon_driver_open, 209 .preclose = radeon_driver_preclose, 210 .postclose = radeon_driver_postclose, 211 .lastclose = radeon_driver_lastclose, 212 .unload = radeon_driver_unload, 213 .suspend = radeon_suspend, 214 .resume = radeon_resume, 215 .get_vblank_counter = radeon_get_vblank_counter, 216 .enable_vblank = radeon_enable_vblank, 217 .disable_vblank = radeon_disable_vblank, 218 .master_create = radeon_master_create, 219 .master_destroy = radeon_master_destroy, 220 .irq_preinstall = radeon_driver_irq_preinstall, 221 .irq_postinstall = radeon_driver_irq_postinstall, 222 .irq_uninstall = radeon_driver_irq_uninstall, 223 .irq_handler = radeon_driver_irq_handler, 224 .reclaim_buffers = drm_core_reclaim_buffers, 225 .ioctls = radeon_ioctls, 226 .dma_ioctl = radeon_cp_buffers, 227 .fops = { 228 .owner = THIS_MODULE, 229 .open = drm_open, 230 .release = drm_release, 231 .unlocked_ioctl = drm_ioctl, 232 .mmap = drm_mmap, 233 .poll = drm_poll, 234 .fasync = drm_fasync, 235 .read = drm_read, 236 #ifdef CONFIG_COMPAT 237 .compat_ioctl = radeon_compat_ioctl, 238 #endif 239 .llseek = noop_llseek, 240 }, 241 242 .name = DRIVER_NAME, 243 .desc = DRIVER_DESC, 244 .date = DRIVER_DATE, 245 .major = DRIVER_MAJOR, 246 .minor = DRIVER_MINOR, 247 .patchlevel = DRIVER_PATCHLEVEL, 248 }; 249 250 static struct drm_driver kms_driver; 251 252 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 253 { 254 struct apertures_struct *ap; 255 bool primary = false; 256 257 ap = alloc_apertures(1); 258 ap->ranges[0].base = pci_resource_start(pdev, 0); 259 ap->ranges[0].size = pci_resource_len(pdev, 0); 260 261 #ifdef CONFIG_X86 262 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 263 #endif 264 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 265 kfree(ap); 266 } 267 268 static int __devinit 269 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 270 { 271 /* Get rid of things like offb */ 272 radeon_kick_out_firmware_fb(pdev); 273 274 return drm_get_pci_dev(pdev, ent, &kms_driver); 275 } 276 277 static void 278 radeon_pci_remove(struct pci_dev *pdev) 279 { 280 struct drm_device *dev = pci_get_drvdata(pdev); 281 282 drm_put_dev(dev); 283 } 284 285 static int 286 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 287 { 288 struct drm_device *dev = pci_get_drvdata(pdev); 289 return radeon_suspend_kms(dev, state); 290 } 291 292 static int 293 radeon_pci_resume(struct pci_dev *pdev) 294 { 295 struct drm_device *dev = pci_get_drvdata(pdev); 296 return radeon_resume_kms(dev); 297 } 298 299 static struct drm_driver kms_driver = { 300 .driver_features = 301 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 302 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 303 .dev_priv_size = 0, 304 .load = radeon_driver_load_kms, 305 .firstopen = radeon_driver_firstopen_kms, 306 .open = radeon_driver_open_kms, 307 .preclose = radeon_driver_preclose_kms, 308 .postclose = radeon_driver_postclose_kms, 309 .lastclose = radeon_driver_lastclose_kms, 310 .unload = radeon_driver_unload_kms, 311 .suspend = radeon_suspend_kms, 312 .resume = radeon_resume_kms, 313 .get_vblank_counter = radeon_get_vblank_counter_kms, 314 .enable_vblank = radeon_enable_vblank_kms, 315 .disable_vblank = radeon_disable_vblank_kms, 316 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 317 .get_scanout_position = radeon_get_crtc_scanoutpos, 318 #if defined(CONFIG_DEBUG_FS) 319 .debugfs_init = radeon_debugfs_init, 320 .debugfs_cleanup = radeon_debugfs_cleanup, 321 #endif 322 .irq_preinstall = radeon_driver_irq_preinstall_kms, 323 .irq_postinstall = radeon_driver_irq_postinstall_kms, 324 .irq_uninstall = radeon_driver_irq_uninstall_kms, 325 .irq_handler = radeon_driver_irq_handler_kms, 326 .reclaim_buffers = drm_core_reclaim_buffers, 327 .ioctls = radeon_ioctls_kms, 328 .gem_init_object = radeon_gem_object_init, 329 .gem_free_object = radeon_gem_object_free, 330 .dma_ioctl = radeon_dma_ioctl_kms, 331 .dumb_create = radeon_mode_dumb_create, 332 .dumb_map_offset = radeon_mode_dumb_mmap, 333 .dumb_destroy = radeon_mode_dumb_destroy, 334 .fops = { 335 .owner = THIS_MODULE, 336 .open = drm_open, 337 .release = drm_release, 338 .unlocked_ioctl = drm_ioctl, 339 .mmap = radeon_mmap, 340 .poll = drm_poll, 341 .fasync = drm_fasync, 342 .read = drm_read, 343 #ifdef CONFIG_COMPAT 344 .compat_ioctl = radeon_kms_compat_ioctl, 345 #endif 346 }, 347 348 .name = DRIVER_NAME, 349 .desc = DRIVER_DESC, 350 .date = DRIVER_DATE, 351 .major = KMS_DRIVER_MAJOR, 352 .minor = KMS_DRIVER_MINOR, 353 .patchlevel = KMS_DRIVER_PATCHLEVEL, 354 }; 355 356 static struct drm_driver *driver; 357 static struct pci_driver *pdriver; 358 359 static struct pci_driver radeon_pci_driver = { 360 .name = DRIVER_NAME, 361 .id_table = pciidlist, 362 }; 363 364 static struct pci_driver radeon_kms_pci_driver = { 365 .name = DRIVER_NAME, 366 .id_table = pciidlist, 367 .probe = radeon_pci_probe, 368 .remove = radeon_pci_remove, 369 .suspend = radeon_pci_suspend, 370 .resume = radeon_pci_resume, 371 }; 372 373 static int __init radeon_init(void) 374 { 375 driver = &driver_old; 376 pdriver = &radeon_pci_driver; 377 driver->num_ioctls = radeon_max_ioctl; 378 #ifdef CONFIG_VGA_CONSOLE 379 if (vgacon_text_force() && radeon_modeset == -1) { 380 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 381 driver = &driver_old; 382 pdriver = &radeon_pci_driver; 383 driver->driver_features &= ~DRIVER_MODESET; 384 radeon_modeset = 0; 385 } 386 #endif 387 /* if enabled by default */ 388 if (radeon_modeset == -1) { 389 #ifdef CONFIG_DRM_RADEON_KMS 390 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 391 radeon_modeset = 1; 392 #else 393 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 394 radeon_modeset = 0; 395 #endif 396 } 397 if (radeon_modeset == 1) { 398 DRM_INFO("radeon kernel modesetting enabled.\n"); 399 driver = &kms_driver; 400 pdriver = &radeon_kms_pci_driver; 401 driver->driver_features |= DRIVER_MODESET; 402 driver->num_ioctls = radeon_max_kms_ioctl; 403 radeon_register_atpx_handler(); 404 } 405 /* if the vga console setting is enabled still 406 * let modprobe override it */ 407 return drm_pci_init(driver, pdriver); 408 } 409 410 static void __exit radeon_exit(void) 411 { 412 drm_pci_exit(driver, pdriver); 413 radeon_unregister_atpx_handler(); 414 } 415 416 module_init(radeon_init); 417 module_exit(radeon_exit); 418 419 MODULE_AUTHOR(DRIVER_AUTHOR); 420 MODULE_DESCRIPTION(DRIVER_DESC); 421 MODULE_LICENSE("GPL and additional rights"); 422