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 */ 50 #define KMS_DRIVER_MAJOR 2 51 #define KMS_DRIVER_MINOR 5 52 #define KMS_DRIVER_PATCHLEVEL 0 53 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 54 int radeon_driver_unload_kms(struct drm_device *dev); 55 int radeon_driver_firstopen_kms(struct drm_device *dev); 56 void radeon_driver_lastclose_kms(struct drm_device *dev); 57 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 58 void radeon_driver_postclose_kms(struct drm_device *dev, 59 struct drm_file *file_priv); 60 void radeon_driver_preclose_kms(struct drm_device *dev, 61 struct drm_file *file_priv); 62 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 63 int radeon_resume_kms(struct drm_device *dev); 64 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 65 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 66 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 67 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 68 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 69 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 70 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 71 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 72 struct drm_file *file_priv); 73 int radeon_gem_object_init(struct drm_gem_object *obj); 74 void radeon_gem_object_free(struct drm_gem_object *obj); 75 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 76 extern int radeon_max_kms_ioctl; 77 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 78 #if defined(CONFIG_DEBUG_FS) 79 int radeon_debugfs_init(struct drm_minor *minor); 80 void radeon_debugfs_cleanup(struct drm_minor *minor); 81 #endif 82 83 84 int radeon_no_wb; 85 int radeon_modeset = -1; 86 int radeon_dynclks = -1; 87 int radeon_r4xx_atom = 0; 88 int radeon_agpmode = 0; 89 int radeon_vram_limit = 0; 90 int radeon_gart_size = 512; /* default gart size */ 91 int radeon_benchmarking = 0; 92 int radeon_testing = 0; 93 int radeon_connector_table = 0; 94 int radeon_tv = 1; 95 int radeon_new_pll = -1; 96 int radeon_audio = 1; 97 int radeon_disp_priority = 0; 98 int radeon_hw_i2c = 0; 99 100 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 101 module_param_named(no_wb, radeon_no_wb, int, 0444); 102 103 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 104 module_param_named(modeset, radeon_modeset, int, 0400); 105 106 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 107 module_param_named(dynclks, radeon_dynclks, int, 0444); 108 109 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 110 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 111 112 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 113 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 114 115 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 116 module_param_named(agpmode, radeon_agpmode, int, 0444); 117 118 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 119 module_param_named(gartsize, radeon_gart_size, int, 0600); 120 121 MODULE_PARM_DESC(benchmark, "Run benchmark"); 122 module_param_named(benchmark, radeon_benchmarking, int, 0444); 123 124 MODULE_PARM_DESC(test, "Run tests"); 125 module_param_named(test, radeon_testing, int, 0444); 126 127 MODULE_PARM_DESC(connector_table, "Force connector table"); 128 module_param_named(connector_table, radeon_connector_table, int, 0444); 129 130 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 131 module_param_named(tv, radeon_tv, int, 0444); 132 133 MODULE_PARM_DESC(new_pll, "Select new PLL code"); 134 module_param_named(new_pll, radeon_new_pll, int, 0444); 135 136 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)"); 137 module_param_named(audio, radeon_audio, int, 0444); 138 139 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 140 module_param_named(disp_priority, radeon_disp_priority, int, 0444); 141 142 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 143 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 144 145 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 146 { 147 drm_radeon_private_t *dev_priv = dev->dev_private; 148 149 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 150 return 0; 151 152 /* Disable *all* interrupts */ 153 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 154 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 155 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 156 return 0; 157 } 158 159 static int radeon_resume(struct drm_device *dev) 160 { 161 drm_radeon_private_t *dev_priv = dev->dev_private; 162 163 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 164 return 0; 165 166 /* Restore interrupt registers */ 167 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 168 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 169 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 170 return 0; 171 } 172 173 static struct pci_device_id pciidlist[] = { 174 radeon_PCI_IDS 175 }; 176 177 #if defined(CONFIG_DRM_RADEON_KMS) 178 MODULE_DEVICE_TABLE(pci, pciidlist); 179 #endif 180 181 static struct drm_driver driver_old = { 182 .driver_features = 183 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 184 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 185 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 186 .load = radeon_driver_load, 187 .firstopen = radeon_driver_firstopen, 188 .open = radeon_driver_open, 189 .preclose = radeon_driver_preclose, 190 .postclose = radeon_driver_postclose, 191 .lastclose = radeon_driver_lastclose, 192 .unload = radeon_driver_unload, 193 .suspend = radeon_suspend, 194 .resume = radeon_resume, 195 .get_vblank_counter = radeon_get_vblank_counter, 196 .enable_vblank = radeon_enable_vblank, 197 .disable_vblank = radeon_disable_vblank, 198 .master_create = radeon_master_create, 199 .master_destroy = radeon_master_destroy, 200 .irq_preinstall = radeon_driver_irq_preinstall, 201 .irq_postinstall = radeon_driver_irq_postinstall, 202 .irq_uninstall = radeon_driver_irq_uninstall, 203 .irq_handler = radeon_driver_irq_handler, 204 .reclaim_buffers = drm_core_reclaim_buffers, 205 .get_map_ofs = drm_core_get_map_ofs, 206 .get_reg_ofs = drm_core_get_reg_ofs, 207 .ioctls = radeon_ioctls, 208 .dma_ioctl = radeon_cp_buffers, 209 .fops = { 210 .owner = THIS_MODULE, 211 .open = drm_open, 212 .release = drm_release, 213 .unlocked_ioctl = drm_ioctl, 214 .mmap = drm_mmap, 215 .poll = drm_poll, 216 .fasync = drm_fasync, 217 .read = drm_read, 218 #ifdef CONFIG_COMPAT 219 .compat_ioctl = radeon_compat_ioctl, 220 #endif 221 }, 222 223 .pci_driver = { 224 .name = DRIVER_NAME, 225 .id_table = pciidlist, 226 }, 227 228 .name = DRIVER_NAME, 229 .desc = DRIVER_DESC, 230 .date = DRIVER_DATE, 231 .major = DRIVER_MAJOR, 232 .minor = DRIVER_MINOR, 233 .patchlevel = DRIVER_PATCHLEVEL, 234 }; 235 236 static struct drm_driver kms_driver; 237 238 static int __devinit 239 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 240 { 241 return drm_get_dev(pdev, ent, &kms_driver); 242 } 243 244 static void 245 radeon_pci_remove(struct pci_dev *pdev) 246 { 247 struct drm_device *dev = pci_get_drvdata(pdev); 248 249 drm_put_dev(dev); 250 } 251 252 static int 253 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 254 { 255 struct drm_device *dev = pci_get_drvdata(pdev); 256 return radeon_suspend_kms(dev, state); 257 } 258 259 static int 260 radeon_pci_resume(struct pci_dev *pdev) 261 { 262 struct drm_device *dev = pci_get_drvdata(pdev); 263 return radeon_resume_kms(dev); 264 } 265 266 static struct drm_driver kms_driver = { 267 .driver_features = 268 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 269 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 270 .dev_priv_size = 0, 271 .load = radeon_driver_load_kms, 272 .firstopen = radeon_driver_firstopen_kms, 273 .open = radeon_driver_open_kms, 274 .preclose = radeon_driver_preclose_kms, 275 .postclose = radeon_driver_postclose_kms, 276 .lastclose = radeon_driver_lastclose_kms, 277 .unload = radeon_driver_unload_kms, 278 .suspend = radeon_suspend_kms, 279 .resume = radeon_resume_kms, 280 .get_vblank_counter = radeon_get_vblank_counter_kms, 281 .enable_vblank = radeon_enable_vblank_kms, 282 .disable_vblank = radeon_disable_vblank_kms, 283 #if defined(CONFIG_DEBUG_FS) 284 .debugfs_init = radeon_debugfs_init, 285 .debugfs_cleanup = radeon_debugfs_cleanup, 286 #endif 287 .irq_preinstall = radeon_driver_irq_preinstall_kms, 288 .irq_postinstall = radeon_driver_irq_postinstall_kms, 289 .irq_uninstall = radeon_driver_irq_uninstall_kms, 290 .irq_handler = radeon_driver_irq_handler_kms, 291 .reclaim_buffers = drm_core_reclaim_buffers, 292 .get_map_ofs = drm_core_get_map_ofs, 293 .get_reg_ofs = drm_core_get_reg_ofs, 294 .ioctls = radeon_ioctls_kms, 295 .gem_init_object = radeon_gem_object_init, 296 .gem_free_object = radeon_gem_object_free, 297 .dma_ioctl = radeon_dma_ioctl_kms, 298 .fops = { 299 .owner = THIS_MODULE, 300 .open = drm_open, 301 .release = drm_release, 302 .unlocked_ioctl = drm_ioctl, 303 .mmap = radeon_mmap, 304 .poll = drm_poll, 305 .fasync = drm_fasync, 306 .read = drm_read, 307 #ifdef CONFIG_COMPAT 308 .compat_ioctl = radeon_kms_compat_ioctl, 309 #endif 310 }, 311 312 .pci_driver = { 313 .name = DRIVER_NAME, 314 .id_table = pciidlist, 315 .probe = radeon_pci_probe, 316 .remove = radeon_pci_remove, 317 .suspend = radeon_pci_suspend, 318 .resume = radeon_pci_resume, 319 }, 320 321 .name = DRIVER_NAME, 322 .desc = DRIVER_DESC, 323 .date = DRIVER_DATE, 324 .major = KMS_DRIVER_MAJOR, 325 .minor = KMS_DRIVER_MINOR, 326 .patchlevel = KMS_DRIVER_PATCHLEVEL, 327 }; 328 329 static struct drm_driver *driver; 330 331 static int __init radeon_init(void) 332 { 333 driver = &driver_old; 334 driver->num_ioctls = radeon_max_ioctl; 335 #ifdef CONFIG_VGA_CONSOLE 336 if (vgacon_text_force() && radeon_modeset == -1) { 337 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 338 driver = &driver_old; 339 driver->driver_features &= ~DRIVER_MODESET; 340 radeon_modeset = 0; 341 } 342 #endif 343 /* if enabled by default */ 344 if (radeon_modeset == -1) { 345 #ifdef CONFIG_DRM_RADEON_KMS 346 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 347 radeon_modeset = 1; 348 #else 349 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 350 radeon_modeset = 0; 351 #endif 352 } 353 if (radeon_modeset == 1) { 354 DRM_INFO("radeon kernel modesetting enabled.\n"); 355 driver = &kms_driver; 356 driver->driver_features |= DRIVER_MODESET; 357 driver->num_ioctls = radeon_max_kms_ioctl; 358 radeon_register_atpx_handler(); 359 } 360 /* if the vga console setting is enabled still 361 * let modprobe override it */ 362 return drm_init(driver); 363 } 364 365 static void __exit radeon_exit(void) 366 { 367 drm_exit(driver); 368 radeon_unregister_atpx_handler(); 369 } 370 371 module_init(radeon_init); 372 module_exit(radeon_exit); 373 374 MODULE_AUTHOR(DRIVER_AUTHOR); 375 MODULE_DESCRIPTION(DRIVER_DESC); 376 MODULE_LICENSE("GPL and additional rights"); 377