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 */ 53 #define KMS_DRIVER_MAJOR 2 54 #define KMS_DRIVER_MINOR 8 55 #define KMS_DRIVER_PATCHLEVEL 0 56 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 57 int radeon_driver_unload_kms(struct drm_device *dev); 58 int radeon_driver_firstopen_kms(struct drm_device *dev); 59 void radeon_driver_lastclose_kms(struct drm_device *dev); 60 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 61 void radeon_driver_postclose_kms(struct drm_device *dev, 62 struct drm_file *file_priv); 63 void radeon_driver_preclose_kms(struct drm_device *dev, 64 struct drm_file *file_priv); 65 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 66 int radeon_resume_kms(struct drm_device *dev); 67 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 68 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 69 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 70 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, 71 int *max_error, 72 struct timeval *vblank_time, 73 unsigned flags); 74 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 75 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 76 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 77 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 78 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 79 struct drm_file *file_priv); 80 int radeon_gem_object_init(struct drm_gem_object *obj); 81 void radeon_gem_object_free(struct drm_gem_object *obj); 82 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, 83 int *vpos, int *hpos); 84 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 85 extern int radeon_max_kms_ioctl; 86 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 87 #if defined(CONFIG_DEBUG_FS) 88 int radeon_debugfs_init(struct drm_minor *minor); 89 void radeon_debugfs_cleanup(struct drm_minor *minor); 90 #endif 91 92 93 int radeon_no_wb; 94 int radeon_modeset = -1; 95 int radeon_dynclks = -1; 96 int radeon_r4xx_atom = 0; 97 int radeon_agpmode = 0; 98 int radeon_vram_limit = 0; 99 int radeon_gart_size = 512; /* default gart size */ 100 int radeon_benchmarking = 0; 101 int radeon_testing = 0; 102 int radeon_connector_table = 0; 103 int radeon_tv = 1; 104 int radeon_audio = 1; 105 int radeon_disp_priority = 0; 106 int radeon_hw_i2c = 0; 107 int radeon_pcie_gen2 = 0; 108 109 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 110 module_param_named(no_wb, radeon_no_wb, int, 0444); 111 112 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 113 module_param_named(modeset, radeon_modeset, int, 0400); 114 115 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 116 module_param_named(dynclks, radeon_dynclks, int, 0444); 117 118 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 119 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 120 121 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 122 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 123 124 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 125 module_param_named(agpmode, radeon_agpmode, int, 0444); 126 127 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 128 module_param_named(gartsize, radeon_gart_size, int, 0600); 129 130 MODULE_PARM_DESC(benchmark, "Run benchmark"); 131 module_param_named(benchmark, radeon_benchmarking, int, 0444); 132 133 MODULE_PARM_DESC(test, "Run tests"); 134 module_param_named(test, radeon_testing, int, 0444); 135 136 MODULE_PARM_DESC(connector_table, "Force connector table"); 137 module_param_named(connector_table, radeon_connector_table, int, 0444); 138 139 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 140 module_param_named(tv, radeon_tv, int, 0444); 141 142 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)"); 143 module_param_named(audio, radeon_audio, int, 0444); 144 145 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 146 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 147 148 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 149 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 150 151 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); 152 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); 153 154 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 155 { 156 drm_radeon_private_t *dev_priv = dev->dev_private; 157 158 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 159 return 0; 160 161 /* Disable *all* interrupts */ 162 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 163 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 164 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 165 return 0; 166 } 167 168 static int radeon_resume(struct drm_device *dev) 169 { 170 drm_radeon_private_t *dev_priv = dev->dev_private; 171 172 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 173 return 0; 174 175 /* Restore interrupt registers */ 176 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 177 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 178 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 179 return 0; 180 } 181 182 static struct pci_device_id pciidlist[] = { 183 radeon_PCI_IDS 184 }; 185 186 #if defined(CONFIG_DRM_RADEON_KMS) 187 MODULE_DEVICE_TABLE(pci, pciidlist); 188 #endif 189 190 static struct drm_driver driver_old = { 191 .driver_features = 192 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 193 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 194 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 195 .load = radeon_driver_load, 196 .firstopen = radeon_driver_firstopen, 197 .open = radeon_driver_open, 198 .preclose = radeon_driver_preclose, 199 .postclose = radeon_driver_postclose, 200 .lastclose = radeon_driver_lastclose, 201 .unload = radeon_driver_unload, 202 .suspend = radeon_suspend, 203 .resume = radeon_resume, 204 .get_vblank_counter = radeon_get_vblank_counter, 205 .enable_vblank = radeon_enable_vblank, 206 .disable_vblank = radeon_disable_vblank, 207 .master_create = radeon_master_create, 208 .master_destroy = radeon_master_destroy, 209 .irq_preinstall = radeon_driver_irq_preinstall, 210 .irq_postinstall = radeon_driver_irq_postinstall, 211 .irq_uninstall = radeon_driver_irq_uninstall, 212 .irq_handler = radeon_driver_irq_handler, 213 .reclaim_buffers = drm_core_reclaim_buffers, 214 .ioctls = radeon_ioctls, 215 .dma_ioctl = radeon_cp_buffers, 216 .fops = { 217 .owner = THIS_MODULE, 218 .open = drm_open, 219 .release = drm_release, 220 .unlocked_ioctl = drm_ioctl, 221 .mmap = drm_mmap, 222 .poll = drm_poll, 223 .fasync = drm_fasync, 224 .read = drm_read, 225 #ifdef CONFIG_COMPAT 226 .compat_ioctl = radeon_compat_ioctl, 227 #endif 228 .llseek = noop_llseek, 229 }, 230 231 .pci_driver = { 232 .name = DRIVER_NAME, 233 .id_table = pciidlist, 234 }, 235 236 .name = DRIVER_NAME, 237 .desc = DRIVER_DESC, 238 .date = DRIVER_DATE, 239 .major = DRIVER_MAJOR, 240 .minor = DRIVER_MINOR, 241 .patchlevel = DRIVER_PATCHLEVEL, 242 }; 243 244 static struct drm_driver kms_driver; 245 246 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 247 { 248 struct apertures_struct *ap; 249 bool primary = false; 250 251 ap = alloc_apertures(1); 252 ap->ranges[0].base = pci_resource_start(pdev, 0); 253 ap->ranges[0].size = pci_resource_len(pdev, 0); 254 255 #ifdef CONFIG_X86 256 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 257 #endif 258 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 259 kfree(ap); 260 } 261 262 static int __devinit 263 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 264 { 265 /* Get rid of things like offb */ 266 radeon_kick_out_firmware_fb(pdev); 267 268 return drm_get_pci_dev(pdev, ent, &kms_driver); 269 } 270 271 static void 272 radeon_pci_remove(struct pci_dev *pdev) 273 { 274 struct drm_device *dev = pci_get_drvdata(pdev); 275 276 drm_put_dev(dev); 277 } 278 279 static int 280 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 281 { 282 struct drm_device *dev = pci_get_drvdata(pdev); 283 return radeon_suspend_kms(dev, state); 284 } 285 286 static int 287 radeon_pci_resume(struct pci_dev *pdev) 288 { 289 struct drm_device *dev = pci_get_drvdata(pdev); 290 return radeon_resume_kms(dev); 291 } 292 293 static struct drm_driver kms_driver = { 294 .driver_features = 295 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 296 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 297 .dev_priv_size = 0, 298 .load = radeon_driver_load_kms, 299 .firstopen = radeon_driver_firstopen_kms, 300 .open = radeon_driver_open_kms, 301 .preclose = radeon_driver_preclose_kms, 302 .postclose = radeon_driver_postclose_kms, 303 .lastclose = radeon_driver_lastclose_kms, 304 .unload = radeon_driver_unload_kms, 305 .suspend = radeon_suspend_kms, 306 .resume = radeon_resume_kms, 307 .get_vblank_counter = radeon_get_vblank_counter_kms, 308 .enable_vblank = radeon_enable_vblank_kms, 309 .disable_vblank = radeon_disable_vblank_kms, 310 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms, 311 .get_scanout_position = radeon_get_crtc_scanoutpos, 312 #if defined(CONFIG_DEBUG_FS) 313 .debugfs_init = radeon_debugfs_init, 314 .debugfs_cleanup = radeon_debugfs_cleanup, 315 #endif 316 .irq_preinstall = radeon_driver_irq_preinstall_kms, 317 .irq_postinstall = radeon_driver_irq_postinstall_kms, 318 .irq_uninstall = radeon_driver_irq_uninstall_kms, 319 .irq_handler = radeon_driver_irq_handler_kms, 320 .reclaim_buffers = drm_core_reclaim_buffers, 321 .ioctls = radeon_ioctls_kms, 322 .gem_init_object = radeon_gem_object_init, 323 .gem_free_object = radeon_gem_object_free, 324 .dma_ioctl = radeon_dma_ioctl_kms, 325 .fops = { 326 .owner = THIS_MODULE, 327 .open = drm_open, 328 .release = drm_release, 329 .unlocked_ioctl = drm_ioctl, 330 .mmap = radeon_mmap, 331 .poll = drm_poll, 332 .fasync = drm_fasync, 333 .read = drm_read, 334 #ifdef CONFIG_COMPAT 335 .compat_ioctl = radeon_kms_compat_ioctl, 336 #endif 337 }, 338 339 .pci_driver = { 340 .name = DRIVER_NAME, 341 .id_table = pciidlist, 342 .probe = radeon_pci_probe, 343 .remove = radeon_pci_remove, 344 .suspend = radeon_pci_suspend, 345 .resume = radeon_pci_resume, 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; 357 358 static int __init radeon_init(void) 359 { 360 driver = &driver_old; 361 driver->num_ioctls = radeon_max_ioctl; 362 #ifdef CONFIG_VGA_CONSOLE 363 if (vgacon_text_force() && radeon_modeset == -1) { 364 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 365 driver = &driver_old; 366 driver->driver_features &= ~DRIVER_MODESET; 367 radeon_modeset = 0; 368 } 369 #endif 370 /* if enabled by default */ 371 if (radeon_modeset == -1) { 372 #ifdef CONFIG_DRM_RADEON_KMS 373 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 374 radeon_modeset = 1; 375 #else 376 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 377 radeon_modeset = 0; 378 #endif 379 } 380 if (radeon_modeset == 1) { 381 DRM_INFO("radeon kernel modesetting enabled.\n"); 382 driver = &kms_driver; 383 driver->driver_features |= DRIVER_MODESET; 384 driver->num_ioctls = radeon_max_kms_ioctl; 385 radeon_register_atpx_handler(); 386 } 387 /* if the vga console setting is enabled still 388 * let modprobe override it */ 389 return drm_init(driver); 390 } 391 392 static void __exit radeon_exit(void) 393 { 394 drm_exit(driver); 395 radeon_unregister_atpx_handler(); 396 } 397 398 module_init(radeon_init); 399 module_exit(radeon_exit); 400 401 MODULE_AUTHOR(DRIVER_AUTHOR); 402 MODULE_DESCRIPTION(DRIVER_DESC); 403 MODULE_LICENSE("GPL and additional rights"); 404