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 #if defined(CONFIG_DRM_RADEON_KMS) 42 /* 43 * KMS wrapper. 44 */ 45 #define KMS_DRIVER_MAJOR 2 46 #define KMS_DRIVER_MINOR 0 47 #define KMS_DRIVER_PATCHLEVEL 0 48 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 49 int radeon_driver_unload_kms(struct drm_device *dev); 50 int radeon_driver_firstopen_kms(struct drm_device *dev); 51 void radeon_driver_lastclose_kms(struct drm_device *dev); 52 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 53 void radeon_driver_postclose_kms(struct drm_device *dev, 54 struct drm_file *file_priv); 55 void radeon_driver_preclose_kms(struct drm_device *dev, 56 struct drm_file *file_priv); 57 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 58 int radeon_resume_kms(struct drm_device *dev); 59 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 60 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 61 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 62 void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 63 int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 64 void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 65 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 66 int radeon_master_create_kms(struct drm_device *dev, struct drm_master *master); 67 void radeon_master_destroy_kms(struct drm_device *dev, 68 struct drm_master *master); 69 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 70 struct drm_file *file_priv); 71 int radeon_gem_object_init(struct drm_gem_object *obj); 72 void radeon_gem_object_free(struct drm_gem_object *obj); 73 extern struct drm_ioctl_desc radeon_ioctls_kms[]; 74 extern int radeon_max_kms_ioctl; 75 int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 76 #if defined(CONFIG_DEBUG_FS) 77 int radeon_debugfs_init(struct drm_minor *minor); 78 void radeon_debugfs_cleanup(struct drm_minor *minor); 79 #endif 80 #endif 81 82 83 int radeon_no_wb; 84 #if defined(CONFIG_DRM_RADEON_KMS) 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 #endif 95 96 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 97 module_param_named(no_wb, radeon_no_wb, int, 0444); 98 99 #if defined(CONFIG_DRM_RADEON_KMS) 100 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 101 module_param_named(modeset, radeon_modeset, int, 0400); 102 103 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 104 module_param_named(dynclks, radeon_dynclks, int, 0444); 105 106 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 107 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 108 109 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 110 module_param_named(vramlimit, radeon_vram_limit, int, 0600); 111 112 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 113 module_param_named(agpmode, radeon_agpmode, int, 0444); 114 115 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 116 module_param_named(gartsize, radeon_gart_size, int, 0600); 117 118 MODULE_PARM_DESC(benchmark, "Run benchmark"); 119 module_param_named(benchmark, radeon_benchmarking, int, 0444); 120 121 MODULE_PARM_DESC(test, "Run tests"); 122 module_param_named(test, radeon_testing, int, 0444); 123 124 MODULE_PARM_DESC(connector_table, "Force connector table"); 125 module_param_named(connector_table, radeon_connector_table, int, 0444); 126 #endif 127 128 static int radeon_suspend(struct drm_device *dev, pm_message_t state) 129 { 130 drm_radeon_private_t *dev_priv = dev->dev_private; 131 132 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 133 return 0; 134 135 /* Disable *all* interrupts */ 136 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 137 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 138 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 139 return 0; 140 } 141 142 static int radeon_resume(struct drm_device *dev) 143 { 144 drm_radeon_private_t *dev_priv = dev->dev_private; 145 146 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 147 return 0; 148 149 /* Restore interrupt registers */ 150 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 151 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 152 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 153 return 0; 154 } 155 156 static struct pci_device_id pciidlist[] = { 157 radeon_PCI_IDS 158 }; 159 160 #if defined(CONFIG_DRM_RADEON_KMS) 161 MODULE_DEVICE_TABLE(pci, pciidlist); 162 #endif 163 164 static struct drm_driver driver_old = { 165 .driver_features = 166 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 167 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 168 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 169 .load = radeon_driver_load, 170 .firstopen = radeon_driver_firstopen, 171 .open = radeon_driver_open, 172 .preclose = radeon_driver_preclose, 173 .postclose = radeon_driver_postclose, 174 .lastclose = radeon_driver_lastclose, 175 .unload = radeon_driver_unload, 176 .suspend = radeon_suspend, 177 .resume = radeon_resume, 178 .get_vblank_counter = radeon_get_vblank_counter, 179 .enable_vblank = radeon_enable_vblank, 180 .disable_vblank = radeon_disable_vblank, 181 .master_create = radeon_master_create, 182 .master_destroy = radeon_master_destroy, 183 .irq_preinstall = radeon_driver_irq_preinstall, 184 .irq_postinstall = radeon_driver_irq_postinstall, 185 .irq_uninstall = radeon_driver_irq_uninstall, 186 .irq_handler = radeon_driver_irq_handler, 187 .reclaim_buffers = drm_core_reclaim_buffers, 188 .get_map_ofs = drm_core_get_map_ofs, 189 .get_reg_ofs = drm_core_get_reg_ofs, 190 .ioctls = radeon_ioctls, 191 .dma_ioctl = radeon_cp_buffers, 192 .fops = { 193 .owner = THIS_MODULE, 194 .open = drm_open, 195 .release = drm_release, 196 .ioctl = drm_ioctl, 197 .mmap = drm_mmap, 198 .poll = drm_poll, 199 .fasync = drm_fasync, 200 #ifdef CONFIG_COMPAT 201 .compat_ioctl = radeon_compat_ioctl, 202 #endif 203 }, 204 205 .pci_driver = { 206 .name = DRIVER_NAME, 207 .id_table = pciidlist, 208 }, 209 210 .name = DRIVER_NAME, 211 .desc = DRIVER_DESC, 212 .date = DRIVER_DATE, 213 .major = DRIVER_MAJOR, 214 .minor = DRIVER_MINOR, 215 .patchlevel = DRIVER_PATCHLEVEL, 216 }; 217 218 #if defined(CONFIG_DRM_RADEON_KMS) 219 static struct drm_driver kms_driver; 220 221 static int __devinit 222 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 223 { 224 return drm_get_dev(pdev, ent, &kms_driver); 225 } 226 227 static void 228 radeon_pci_remove(struct pci_dev *pdev) 229 { 230 struct drm_device *dev = pci_get_drvdata(pdev); 231 232 drm_put_dev(dev); 233 } 234 235 static int 236 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 237 { 238 struct drm_device *dev = pci_get_drvdata(pdev); 239 return radeon_suspend_kms(dev, state); 240 } 241 242 static int 243 radeon_pci_resume(struct pci_dev *pdev) 244 { 245 struct drm_device *dev = pci_get_drvdata(pdev); 246 return radeon_resume_kms(dev); 247 } 248 249 static struct drm_driver kms_driver = { 250 .driver_features = 251 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 252 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 253 .dev_priv_size = 0, 254 .load = radeon_driver_load_kms, 255 .firstopen = radeon_driver_firstopen_kms, 256 .open = radeon_driver_open_kms, 257 .preclose = radeon_driver_preclose_kms, 258 .postclose = radeon_driver_postclose_kms, 259 .lastclose = radeon_driver_lastclose_kms, 260 .unload = radeon_driver_unload_kms, 261 .suspend = radeon_suspend_kms, 262 .resume = radeon_resume_kms, 263 .get_vblank_counter = radeon_get_vblank_counter_kms, 264 .enable_vblank = radeon_enable_vblank_kms, 265 .disable_vblank = radeon_disable_vblank_kms, 266 .master_create = radeon_master_create_kms, 267 .master_destroy = radeon_master_destroy_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 .ioctl = drm_ioctl, 288 .mmap = radeon_mmap, 289 .poll = drm_poll, 290 .fasync = drm_fasync, 291 #ifdef CONFIG_COMPAT 292 .compat_ioctl = NULL, 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 #endif 313 314 static struct drm_driver *driver; 315 316 static int __init radeon_init(void) 317 { 318 driver = &driver_old; 319 driver->num_ioctls = radeon_max_ioctl; 320 #if defined(CONFIG_DRM_RADEON_KMS) 321 #ifdef CONFIG_VGA_CONSOLE 322 if (vgacon_text_force() && radeon_modeset == -1) { 323 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 324 driver = &driver_old; 325 driver->driver_features &= ~DRIVER_MODESET; 326 radeon_modeset = 0; 327 } 328 #endif 329 /* if enabled by default */ 330 if (radeon_modeset == -1) { 331 DRM_INFO("radeon default to kernel modesetting.\n"); 332 radeon_modeset = 1; 333 } 334 if (radeon_modeset == 1) { 335 DRM_INFO("radeon kernel modesetting enabled.\n"); 336 driver = &kms_driver; 337 driver->driver_features |= DRIVER_MODESET; 338 driver->num_ioctls = radeon_max_kms_ioctl; 339 } 340 /* if the vga console setting is enabled still 341 * let modprobe override it */ 342 #endif 343 return drm_init(driver); 344 } 345 346 static void __exit radeon_exit(void) 347 { 348 drm_exit(driver); 349 } 350 351 module_init(radeon_init); 352 module_exit(radeon_exit); 353 354 MODULE_AUTHOR(DRIVER_AUTHOR); 355 MODULE_DESCRIPTION(DRIVER_DESC); 356 MODULE_LICENSE("GPL and additional rights"); 357