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 */ 44 #define KMS_DRIVER_MAJOR 2 45 #define KMS_DRIVER_MINOR 0 46 #define KMS_DRIVER_PATCHLEVEL 0 47 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 48 int radeon_driver_unload_kms(struct drm_device *dev); 49 int radeon_driver_firstopen_kms(struct drm_device *dev); 50 void radeon_driver_lastclose_kms(struct drm_device *dev); 51 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 52 void radeon_driver_postclose_kms(struct drm_device *dev, 53 struct drm_file *file_priv); 54 void radeon_driver_preclose_kms(struct drm_device *dev, 55 struct drm_file *file_priv); 56 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 57 int radeon_resume_kms(struct drm_device *dev); 58 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 59 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 60 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 61 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 62 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 63 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 64 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 65 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 66 struct drm_file *file_priv); 67 int radeon_gem_object_init(struct drm_gem_object *obj); 68 void radeon_gem_object_free(struct drm_gem_object *obj); 69 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 70 extern int radeon_max_kms_ioctl; 71 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 72 #if defined(CONFIG_DEBUG_FS) 73 int radeon_debugfs_init(struct drm_minor *minor); 74 void radeon_debugfs_cleanup(struct drm_minor *minor); 75 #endif 76 77 78 int radeon_no_wb; 79 int radeon_modeset = -1; 80 int radeon_dynclks = -1; 81 int radeon_r4xx_atom = 0; 82 int radeon_agpmode = 0; 83 int radeon_vram_limit = 0; 84 int radeon_gart_size = 512; /* default gart size */ 85 int radeon_benchmarking = 0; 86 int radeon_testing = 0; 87 int radeon_connector_table = 0; 88 int radeon_tv = 1; 89 int radeon_new_pll = 1; 90 int radeon_audio = 1; 91 92 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 93 module_param_named(no_wb, radeon_no_wb, int, 0444); 94 95 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 96 module_param_named(modeset, radeon_modeset, int, 0400); 97 98 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 99 module_param_named(dynclks, radeon_dynclks, int, 0444); 100 101 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 102 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 103 104 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 105 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 106 107 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 108 module_param_named(agpmode, radeon_agpmode, int, 0444); 109 110 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 111 module_param_named(gartsize, radeon_gart_size, int, 0600); 112 113 MODULE_PARM_DESC(benchmark, "Run benchmark"); 114 module_param_named(benchmark, radeon_benchmarking, int, 0444); 115 116 MODULE_PARM_DESC(test, "Run tests"); 117 module_param_named(test, radeon_testing, int, 0444); 118 119 MODULE_PARM_DESC(connector_table, "Force connector table"); 120 module_param_named(connector_table, radeon_connector_table, int, 0444); 121 122 MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 123 module_param_named(tv, radeon_tv, int, 0444); 124 125 MODULE_PARM_DESC(new_pll, "Select new PLL code for AVIVO chips"); 126 module_param_named(new_pll, radeon_new_pll, int, 0444); 127 128 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)"); 129 module_param_named(audio, radeon_audio, int, 0444); 130 131 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 132 { 133 drm_radeon_private_t *dev_priv = dev->dev_private; 134 135 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 136 return 0; 137 138 /* Disable *all* interrupts */ 139 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 140 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 141 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 142 return 0; 143 } 144 145 static int radeon_resume(struct drm_device *dev) 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 /* Restore interrupt registers */ 153 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 154 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 155 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 156 return 0; 157 } 158 159 static struct pci_device_id pciidlist[] = { 160 radeon_PCI_IDS 161 }; 162 163 #if defined(CONFIG_DRM_RADEON_KMS) 164 MODULE_DEVICE_TABLE(pci, pciidlist); 165 #endif 166 167 static struct drm_driver driver_old = { 168 .driver_features = 169 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 170 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 171 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 172 .load = radeon_driver_load, 173 .firstopen = radeon_driver_firstopen, 174 .open = radeon_driver_open, 175 .preclose = radeon_driver_preclose, 176 .postclose = radeon_driver_postclose, 177 .lastclose = radeon_driver_lastclose, 178 .unload = radeon_driver_unload, 179 .suspend = radeon_suspend, 180 .resume = radeon_resume, 181 .get_vblank_counter = radeon_get_vblank_counter, 182 .enable_vblank = radeon_enable_vblank, 183 .disable_vblank = radeon_disable_vblank, 184 .master_create = radeon_master_create, 185 .master_destroy = radeon_master_destroy, 186 .irq_preinstall = radeon_driver_irq_preinstall, 187 .irq_postinstall = radeon_driver_irq_postinstall, 188 .irq_uninstall = radeon_driver_irq_uninstall, 189 .irq_handler = radeon_driver_irq_handler, 190 .reclaim_buffers = drm_core_reclaim_buffers, 191 .get_map_ofs = drm_core_get_map_ofs, 192 .get_reg_ofs = drm_core_get_reg_ofs, 193 .ioctls = radeon_ioctls, 194 .dma_ioctl = radeon_cp_buffers, 195 .fops = { 196 .owner = THIS_MODULE, 197 .open = drm_open, 198 .release = drm_release, 199 .unlocked_ioctl = drm_ioctl, 200 .mmap = drm_mmap, 201 .poll = drm_poll, 202 .fasync = drm_fasync, 203 #ifdef CONFIG_COMPAT 204 .compat_ioctl = radeon_compat_ioctl, 205 #endif 206 }, 207 208 .pci_driver = { 209 .name = DRIVER_NAME, 210 .id_table = pciidlist, 211 }, 212 213 .name = DRIVER_NAME, 214 .desc = DRIVER_DESC, 215 .date = DRIVER_DATE, 216 .major = DRIVER_MAJOR, 217 .minor = DRIVER_MINOR, 218 .patchlevel = DRIVER_PATCHLEVEL, 219 }; 220 221 static struct drm_driver kms_driver; 222 223 static int __devinit 224 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 225 { 226 return drm_get_dev(pdev, ent, &kms_driver); 227 } 228 229 static void 230 radeon_pci_remove(struct pci_dev *pdev) 231 { 232 struct drm_device *dev = pci_get_drvdata(pdev); 233 234 drm_put_dev(dev); 235 } 236 237 static int 238 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 239 { 240 struct drm_device *dev = pci_get_drvdata(pdev); 241 return radeon_suspend_kms(dev, state); 242 } 243 244 static int 245 radeon_pci_resume(struct pci_dev *pdev) 246 { 247 struct drm_device *dev = pci_get_drvdata(pdev); 248 return radeon_resume_kms(dev); 249 } 250 251 static struct drm_driver kms_driver = { 252 .driver_features = 253 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 254 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 255 .dev_priv_size = 0, 256 .load = radeon_driver_load_kms, 257 .firstopen = radeon_driver_firstopen_kms, 258 .open = radeon_driver_open_kms, 259 .preclose = radeon_driver_preclose_kms, 260 .postclose = radeon_driver_postclose_kms, 261 .lastclose = radeon_driver_lastclose_kms, 262 .unload = radeon_driver_unload_kms, 263 .suspend = radeon_suspend_kms, 264 .resume = radeon_resume_kms, 265 .get_vblank_counter = radeon_get_vblank_counter_kms, 266 .enable_vblank = radeon_enable_vblank_kms, 267 .disable_vblank = radeon_disable_vblank_kms, 268 #if defined(CONFIG_DEBUG_FS) 269 .debugfs_init = radeon_debugfs_init, 270 .debugfs_cleanup = radeon_debugfs_cleanup, 271 #endif 272 .irq_preinstall = radeon_driver_irq_preinstall_kms, 273 .irq_postinstall = radeon_driver_irq_postinstall_kms, 274 .irq_uninstall = radeon_driver_irq_uninstall_kms, 275 .irq_handler = radeon_driver_irq_handler_kms, 276 .reclaim_buffers = drm_core_reclaim_buffers, 277 .get_map_ofs = drm_core_get_map_ofs, 278 .get_reg_ofs = drm_core_get_reg_ofs, 279 .ioctls = radeon_ioctls_kms, 280 .gem_init_object = radeon_gem_object_init, 281 .gem_free_object = radeon_gem_object_free, 282 .dma_ioctl = radeon_dma_ioctl_kms, 283 .fops = { 284 .owner = THIS_MODULE, 285 .open = drm_open, 286 .release = drm_release, 287 .unlocked_ioctl = drm_ioctl, 288 .mmap = radeon_mmap, 289 .poll = drm_poll, 290 .fasync = drm_fasync, 291 #ifdef CONFIG_COMPAT 292 .compat_ioctl = radeon_kms_compat_ioctl, 293 #endif 294 }, 295 296 .pci_driver = { 297 .name = DRIVER_NAME, 298 .id_table = pciidlist, 299 .probe = radeon_pci_probe, 300 .remove = radeon_pci_remove, 301 .suspend = radeon_pci_suspend, 302 .resume = radeon_pci_resume, 303 }, 304 305 .name = DRIVER_NAME, 306 .desc = DRIVER_DESC, 307 .date = DRIVER_DATE, 308 .major = KMS_DRIVER_MAJOR, 309 .minor = KMS_DRIVER_MINOR, 310 .patchlevel = KMS_DRIVER_PATCHLEVEL, 311 }; 312 313 static struct drm_driver *driver; 314 315 static int __init radeon_init(void) 316 { 317 driver = &driver_old; 318 driver->num_ioctls = radeon_max_ioctl; 319 #ifdef CONFIG_VGA_CONSOLE 320 if (vgacon_text_force() && radeon_modeset == -1) { 321 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 322 driver = &driver_old; 323 driver->driver_features &= ~DRIVER_MODESET; 324 radeon_modeset = 0; 325 } 326 #endif 327 /* if enabled by default */ 328 if (radeon_modeset == -1) { 329 #ifdef CONFIG_DRM_RADEON_KMS 330 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 331 radeon_modeset = 1; 332 #else 333 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 334 radeon_modeset = 0; 335 #endif 336 } 337 if (radeon_modeset == 1) { 338 DRM_INFO("radeon kernel modesetting enabled.\n"); 339 driver = &kms_driver; 340 driver->driver_features |= DRIVER_MODESET; 341 driver->num_ioctls = radeon_max_kms_ioctl; 342 } 343 /* if the vga console setting is enabled still 344 * let modprobe override it */ 345 return drm_init(driver); 346 } 347 348 static void __exit radeon_exit(void) 349 { 350 drm_exit(driver); 351 } 352 353 module_init(radeon_init); 354 module_exit(radeon_exit); 355 356 MODULE_AUTHOR(DRIVER_AUTHOR); 357 MODULE_DESCRIPTION(DRIVER_DESC); 358 MODULE_LICENSE("GPL and additional rights"); 359