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 */ 52 #define KMS_DRIVER_MAJOR 2 53 #define KMS_DRIVER_MINOR 7 54 #define KMS_DRIVER_PATCHLEVEL 0 55 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 56 int radeon_driver_unload_kms(struct drm_device *dev); 57 int radeon_driver_firstopen_kms(struct drm_device *dev); 58 void radeon_driver_lastclose_kms(struct drm_device *dev); 59 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 60 void radeon_driver_postclose_kms(struct drm_device *dev, 61 struct drm_file *file_priv); 62 void radeon_driver_preclose_kms(struct drm_device *dev, 63 struct drm_file *file_priv); 64 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 65 int radeon_resume_kms(struct drm_device *dev); 66 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 67 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 68 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 69 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 70 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 71 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 72 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 73 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 74 struct drm_file *file_priv); 75 int radeon_gem_object_init(struct drm_gem_object *obj); 76 void radeon_gem_object_free(struct drm_gem_object *obj); 77 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 78 extern int radeon_max_kms_ioctl; 79 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 80 #if defined(CONFIG_DEBUG_FS) 81 int radeon_debugfs_init(struct drm_minor *minor); 82 void radeon_debugfs_cleanup(struct drm_minor *minor); 83 #endif 84 85 86 int radeon_no_wb; 87 int radeon_modeset = -1; 88 int radeon_dynclks = -1; 89 int radeon_r4xx_atom = 0; 90 int radeon_agpmode = 0; 91 int radeon_vram_limit = 0; 92 int radeon_gart_size = 512; /* default gart size */ 93 int radeon_benchmarking = 0; 94 int radeon_testing = 0; 95 int radeon_connector_table = 0; 96 int radeon_tv = 1; 97 int radeon_audio = 1; 98 int radeon_disp_priority = 0; 99 int radeon_hw_i2c = 0; 100 101 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 102 module_param_named(no_wb, radeon_no_wb, int, 0444); 103 104 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 105 module_param_named(modeset, radeon_modeset, int, 0400); 106 107 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 108 module_param_named(dynclks, radeon_dynclks, int, 0444); 109 110 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 111 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 112 113 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 114 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 115 116 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 117 module_param_named(agpmode, radeon_agpmode, int, 0444); 118 119 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 120 module_param_named(gartsize, radeon_gart_size, int, 0600); 121 122 MODULE_PARM_DESC(benchmark, "Run benchmark"); 123 module_param_named(benchmark, radeon_benchmarking, int, 0444); 124 125 MODULE_PARM_DESC(test, "Run tests"); 126 module_param_named(test, radeon_testing, int, 0444); 127 128 MODULE_PARM_DESC(connector_table, "Force connector table"); 129 module_param_named(connector_table, radeon_connector_table, int, 0444); 130 131 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 132 module_param_named(tv, radeon_tv, int, 0444); 133 134 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)"); 135 module_param_named(audio, radeon_audio, int, 0444); 136 137 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 138 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 139 140 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 141 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 142 143 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 144 { 145 drm_radeon_private_t *dev_priv = dev->dev_private; 146 147 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 148 return 0; 149 150 /* Disable *all* interrupts */ 151 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 152 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 153 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 154 return 0; 155 } 156 157 static int radeon_resume(struct drm_device *dev) 158 { 159 drm_radeon_private_t *dev_priv = dev->dev_private; 160 161 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 162 return 0; 163 164 /* Restore interrupt registers */ 165 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 166 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 167 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 168 return 0; 169 } 170 171 static struct pci_device_id pciidlist[] = { 172 radeon_PCI_IDS 173 }; 174 175 #if defined(CONFIG_DRM_RADEON_KMS) 176 MODULE_DEVICE_TABLE(pci, pciidlist); 177 #endif 178 179 static struct drm_driver driver_old = { 180 .driver_features = 181 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 182 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 183 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 184 .load = radeon_driver_load, 185 .firstopen = radeon_driver_firstopen, 186 .open = radeon_driver_open, 187 .preclose = radeon_driver_preclose, 188 .postclose = radeon_driver_postclose, 189 .lastclose = radeon_driver_lastclose, 190 .unload = radeon_driver_unload, 191 .suspend = radeon_suspend, 192 .resume = radeon_resume, 193 .get_vblank_counter = radeon_get_vblank_counter, 194 .enable_vblank = radeon_enable_vblank, 195 .disable_vblank = radeon_disable_vblank, 196 .master_create = radeon_master_create, 197 .master_destroy = radeon_master_destroy, 198 .irq_preinstall = radeon_driver_irq_preinstall, 199 .irq_postinstall = radeon_driver_irq_postinstall, 200 .irq_uninstall = radeon_driver_irq_uninstall, 201 .irq_handler = radeon_driver_irq_handler, 202 .reclaim_buffers = drm_core_reclaim_buffers, 203 .ioctls = radeon_ioctls, 204 .dma_ioctl = radeon_cp_buffers, 205 .fops = { 206 .owner = THIS_MODULE, 207 .open = drm_open, 208 .release = drm_release, 209 .unlocked_ioctl = drm_ioctl, 210 .mmap = drm_mmap, 211 .poll = drm_poll, 212 .fasync = drm_fasync, 213 .read = drm_read, 214 #ifdef CONFIG_COMPAT 215 .compat_ioctl = radeon_compat_ioctl, 216 #endif 217 .llseek = noop_llseek, 218 }, 219 220 .pci_driver = { 221 .name = DRIVER_NAME, 222 .id_table = pciidlist, 223 }, 224 225 .name = DRIVER_NAME, 226 .desc = DRIVER_DESC, 227 .date = DRIVER_DATE, 228 .major = DRIVER_MAJOR, 229 .minor = DRIVER_MINOR, 230 .patchlevel = DRIVER_PATCHLEVEL, 231 }; 232 233 static struct drm_driver kms_driver; 234 235 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) 236 { 237 struct apertures_struct *ap; 238 bool primary = false; 239 240 ap = alloc_apertures(1); 241 ap->ranges[0].base = pci_resource_start(pdev, 0); 242 ap->ranges[0].size = pci_resource_len(pdev, 0); 243 244 #ifdef CONFIG_X86 245 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 246 #endif 247 remove_conflicting_framebuffers(ap, "radeondrmfb", primary); 248 kfree(ap); 249 } 250 251 static int __devinit 252 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 253 { 254 /* Get rid of things like offb */ 255 radeon_kick_out_firmware_fb(pdev); 256 257 return drm_get_pci_dev(pdev, ent, &kms_driver); 258 } 259 260 static void 261 radeon_pci_remove(struct pci_dev *pdev) 262 { 263 struct drm_device *dev = pci_get_drvdata(pdev); 264 265 drm_put_dev(dev); 266 } 267 268 static int 269 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 270 { 271 struct drm_device *dev = pci_get_drvdata(pdev); 272 return radeon_suspend_kms(dev, state); 273 } 274 275 static int 276 radeon_pci_resume(struct pci_dev *pdev) 277 { 278 struct drm_device *dev = pci_get_drvdata(pdev); 279 return radeon_resume_kms(dev); 280 } 281 282 static struct drm_driver kms_driver = { 283 .driver_features = 284 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 285 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 286 .dev_priv_size = 0, 287 .load = radeon_driver_load_kms, 288 .firstopen = radeon_driver_firstopen_kms, 289 .open = radeon_driver_open_kms, 290 .preclose = radeon_driver_preclose_kms, 291 .postclose = radeon_driver_postclose_kms, 292 .lastclose = radeon_driver_lastclose_kms, 293 .unload = radeon_driver_unload_kms, 294 .suspend = radeon_suspend_kms, 295 .resume = radeon_resume_kms, 296 .get_vblank_counter = radeon_get_vblank_counter_kms, 297 .enable_vblank = radeon_enable_vblank_kms, 298 .disable_vblank = radeon_disable_vblank_kms, 299 #if defined(CONFIG_DEBUG_FS) 300 .debugfs_init = radeon_debugfs_init, 301 .debugfs_cleanup = radeon_debugfs_cleanup, 302 #endif 303 .irq_preinstall = radeon_driver_irq_preinstall_kms, 304 .irq_postinstall = radeon_driver_irq_postinstall_kms, 305 .irq_uninstall = radeon_driver_irq_uninstall_kms, 306 .irq_handler = radeon_driver_irq_handler_kms, 307 .reclaim_buffers = drm_core_reclaim_buffers, 308 .ioctls = radeon_ioctls_kms, 309 .gem_init_object = radeon_gem_object_init, 310 .gem_free_object = radeon_gem_object_free, 311 .dma_ioctl = radeon_dma_ioctl_kms, 312 .fops = { 313 .owner = THIS_MODULE, 314 .open = drm_open, 315 .release = drm_release, 316 .unlocked_ioctl = drm_ioctl, 317 .mmap = radeon_mmap, 318 .poll = drm_poll, 319 .fasync = drm_fasync, 320 .read = drm_read, 321 #ifdef CONFIG_COMPAT 322 .compat_ioctl = radeon_kms_compat_ioctl, 323 #endif 324 }, 325 326 .pci_driver = { 327 .name = DRIVER_NAME, 328 .id_table = pciidlist, 329 .probe = radeon_pci_probe, 330 .remove = radeon_pci_remove, 331 .suspend = radeon_pci_suspend, 332 .resume = radeon_pci_resume, 333 }, 334 335 .name = DRIVER_NAME, 336 .desc = DRIVER_DESC, 337 .date = DRIVER_DATE, 338 .major = KMS_DRIVER_MAJOR, 339 .minor = KMS_DRIVER_MINOR, 340 .patchlevel = KMS_DRIVER_PATCHLEVEL, 341 }; 342 343 static struct drm_driver *driver; 344 345 static int __init radeon_init(void) 346 { 347 driver = &driver_old; 348 driver->num_ioctls = radeon_max_ioctl; 349 #ifdef CONFIG_VGA_CONSOLE 350 if (vgacon_text_force() && radeon_modeset == -1) { 351 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 352 driver = &driver_old; 353 driver->driver_features &= ~DRIVER_MODESET; 354 radeon_modeset = 0; 355 } 356 #endif 357 /* if enabled by default */ 358 if (radeon_modeset == -1) { 359 #ifdef CONFIG_DRM_RADEON_KMS 360 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 361 radeon_modeset = 1; 362 #else 363 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 364 radeon_modeset = 0; 365 #endif 366 } 367 if (radeon_modeset == 1) { 368 DRM_INFO("radeon kernel modesetting enabled.\n"); 369 driver = &kms_driver; 370 driver->driver_features |= DRIVER_MODESET; 371 driver->num_ioctls = radeon_max_kms_ioctl; 372 radeon_register_atpx_handler(); 373 } 374 /* if the vga console setting is enabled still 375 * let modprobe override it */ 376 return drm_init(driver); 377 } 378 379 static void __exit radeon_exit(void) 380 { 381 drm_exit(driver); 382 radeon_unregister_atpx_handler(); 383 } 384 385 module_init(radeon_init); 386 module_exit(radeon_exit); 387 388 MODULE_AUTHOR(DRIVER_AUTHOR); 389 MODULE_DESCRIPTION(DRIVER_DESC); 390 MODULE_LICENSE("GPL and additional rights"); 391