drivers/gpu/drm/radeon/radeon_drv.c

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