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 #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 int radeon_tv = 1;
  95 #endif
  96
  97 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
  98 module_param_named(no_wb, radeon_no_wb, int, 0444);
  99
 100 #if defined(CONFIG_DRM_RADEON_KMS)
 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 #endif
 131
 132 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 133 {
 134         drm_radeon_private_t *dev_priv = dev->dev_private;
 135
 136         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 137                 return 0;
 138
 139         /* Disable *all* interrupts */
 140         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 141                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 142         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 143         return 0;
 144 }
 145
 146 static int radeon_resume(struct drm_device *dev)
 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         /* Restore interrupt registers */
 154         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 155                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 156         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 157         return 0;
 158 }
 159
 160 static struct pci_device_id pciidlist[] = {
 161         radeon_PCI_IDS
 162 };
 163
 164 #if defined(CONFIG_DRM_RADEON_KMS)
 165 MODULE_DEVICE_TABLE(pci, pciidlist);
 166 #endif
 167
 168 static struct drm_driver driver_old = {
 169         .driver_features =
 170             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 171             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 172         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 173         .load = radeon_driver_load,
 174         .firstopen = radeon_driver_firstopen,
 175         .open = radeon_driver_open,
 176         .preclose = radeon_driver_preclose,
 177         .postclose = radeon_driver_postclose,
 178         .lastclose = radeon_driver_lastclose,
 179         .unload = radeon_driver_unload,
 180         .suspend = radeon_suspend,
 181         .resume = radeon_resume,
 182         .get_vblank_counter = radeon_get_vblank_counter,
 183         .enable_vblank = radeon_enable_vblank,
 184         .disable_vblank = radeon_disable_vblank,
 185         .master_create = radeon_master_create,
 186         .master_destroy = radeon_master_destroy,
 187         .irq_preinstall = radeon_driver_irq_preinstall,
 188         .irq_postinstall = radeon_driver_irq_postinstall,
 189         .irq_uninstall = radeon_driver_irq_uninstall,
 190         .irq_handler = radeon_driver_irq_handler,
 191         .reclaim_buffers = drm_core_reclaim_buffers,
 192         .get_map_ofs = drm_core_get_map_ofs,
 193         .get_reg_ofs = drm_core_get_reg_ofs,
 194         .ioctls = radeon_ioctls,
 195         .dma_ioctl = radeon_cp_buffers,
 196         .fops = {
 197                  .owner = THIS_MODULE,
 198                  .open = drm_open,
 199                  .release = drm_release,
 200                  .ioctl = drm_ioctl,
 201                  .mmap = drm_mmap,
 202                  .poll = drm_poll,
 203                  .fasync = drm_fasync,
 204 #ifdef CONFIG_COMPAT
 205                  .compat_ioctl = radeon_compat_ioctl,
 206 #endif
 207         },
 208
 209         .pci_driver = {
 210                  .name = DRIVER_NAME,
 211                  .id_table = pciidlist,
 212         },
 213
 214         .name = DRIVER_NAME,
 215         .desc = DRIVER_DESC,
 216         .date = DRIVER_DATE,
 217         .major = DRIVER_MAJOR,
 218         .minor = DRIVER_MINOR,
 219         .patchlevel = DRIVER_PATCHLEVEL,
 220 };
 221
 222 #if defined(CONFIG_DRM_RADEON_KMS)
 223 static struct drm_driver kms_driver;
 224
 225 static int __devinit
 226 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 227 {
 228         return drm_get_dev(pdev, ent, &kms_driver);
 229 }
 230
 231 static void
 232 radeon_pci_remove(struct pci_dev *pdev)
 233 {
 234         struct drm_device *dev = pci_get_drvdata(pdev);
 235
 236         drm_put_dev(dev);
 237 }
 238
 239 static int
 240 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 241 {
 242         struct drm_device *dev = pci_get_drvdata(pdev);
 243         return radeon_suspend_kms(dev, state);
 244 }
 245
 246 static int
 247 radeon_pci_resume(struct pci_dev *pdev)
 248 {
 249         struct drm_device *dev = pci_get_drvdata(pdev);
 250         return radeon_resume_kms(dev);
 251 }
 252
 253 static struct drm_driver kms_driver = {
 254         .driver_features =
 255             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 256             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 257         .dev_priv_size = 0,
 258         .load = radeon_driver_load_kms,
 259         .firstopen = radeon_driver_firstopen_kms,
 260         .open = radeon_driver_open_kms,
 261         .preclose = radeon_driver_preclose_kms,
 262         .postclose = radeon_driver_postclose_kms,
 263         .lastclose = radeon_driver_lastclose_kms,
 264         .unload = radeon_driver_unload_kms,
 265         .suspend = radeon_suspend_kms,
 266         .resume = radeon_resume_kms,
 267         .get_vblank_counter = radeon_get_vblank_counter_kms,
 268         .enable_vblank = radeon_enable_vblank_kms,
 269         .disable_vblank = radeon_disable_vblank_kms,
 270         .master_create = radeon_master_create_kms,
 271         .master_destroy = radeon_master_destroy_kms,
 272 #if defined(CONFIG_DEBUG_FS)
 273         .debugfs_init = radeon_debugfs_init,
 274         .debugfs_cleanup = radeon_debugfs_cleanup,
 275 #endif
 276         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 277         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 278         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 279         .irq_handler = radeon_driver_irq_handler_kms,
 280         .reclaim_buffers = drm_core_reclaim_buffers,
 281         .get_map_ofs = drm_core_get_map_ofs,
 282         .get_reg_ofs = drm_core_get_reg_ofs,
 283         .ioctls = radeon_ioctls_kms,
 284         .gem_init_object = radeon_gem_object_init,
 285         .gem_free_object = radeon_gem_object_free,
 286         .dma_ioctl = radeon_dma_ioctl_kms,
 287         .fops = {
 288                  .owner = THIS_MODULE,
 289                  .open = drm_open,
 290                  .release = drm_release,
 291                  .ioctl = drm_ioctl,
 292                  .mmap = radeon_mmap,
 293                  .poll = drm_poll,
 294                  .fasync = drm_fasync,
 295 #ifdef CONFIG_COMPAT
 296                  .compat_ioctl = NULL,
 297 #endif
 298         },
 299
 300         .pci_driver = {
 301                  .name = DRIVER_NAME,
 302                  .id_table = pciidlist,
 303                  .probe = radeon_pci_probe,
 304                  .remove = radeon_pci_remove,
 305                  .suspend = radeon_pci_suspend,
 306                  .resume = radeon_pci_resume,
 307         },
 308
 309         .name = DRIVER_NAME,
 310         .desc = DRIVER_DESC,
 311         .date = DRIVER_DATE,
 312         .major = KMS_DRIVER_MAJOR,
 313         .minor = KMS_DRIVER_MINOR,
 314         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 315 };
 316 #endif
 317
 318 static struct drm_driver *driver;
 319
 320 static int __init radeon_init(void)
 321 {
 322         driver = &driver_old;
 323         driver->num_ioctls = radeon_max_ioctl;
 324 #if defined(CONFIG_DRM_RADEON_KMS)
 325 #ifdef CONFIG_VGA_CONSOLE
 326         if (vgacon_text_force() && radeon_modeset == -1) {
 327                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 328                 driver = &driver_old;
 329                 driver->driver_features &= ~DRIVER_MODESET;
 330                 radeon_modeset = 0;
 331         }
 332 #endif
 333         /* if enabled by default */
 334         if (radeon_modeset == -1) {
 335                 DRM_INFO("radeon default to kernel modesetting.\n");
 336                 radeon_modeset = 1;
 337         }
 338         if (radeon_modeset == 1) {
 339                 DRM_INFO("radeon kernel modesetting enabled.\n");
 340                 driver = &kms_driver;
 341                 driver->driver_features |= DRIVER_MODESET;
 342                 driver->num_ioctls = radeon_max_kms_ioctl;
 343         }
 344         /* if the vga console setting is enabled still
 345          * let modprobe override it */
 346 #endif
 347         return drm_init(driver);
 348 }
 349
 350 static void __exit radeon_exit(void)
 351 {
 352         drm_exit(driver);
 353 }
 354
 355 module_init(radeon_init);
 356 module_exit(radeon_exit);
 357
 358 MODULE_AUTHOR(DRIVER_AUTHOR);
 359 MODULE_DESCRIPTION(DRIVER_DESC);
 360 MODULE_LICENSE("GPL and additional rights");