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_connector_table = 0;
  93 #endif
  94
  95 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
  96 module_param_named(no_wb, radeon_no_wb, int, 0444);
  97
  98 #if defined(CONFIG_DRM_RADEON_KMS)
  99 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 100 module_param_named(modeset, radeon_modeset, int, 0400);
 101
 102 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 103 module_param_named(dynclks, radeon_dynclks, int, 0444);
 104
 105 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 106 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 107
 108 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 109 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 110
 111 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 112 module_param_named(agpmode, radeon_agpmode, int, 0444);
 113
 114 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 115 module_param_named(gartsize, radeon_gart_size, int, 0600);
 116
 117 MODULE_PARM_DESC(benchmark, "Run benchmark");
 118 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 119
 120 MODULE_PARM_DESC(connector_table, "Force connector table");
 121 module_param_named(connector_table, radeon_connector_table, int, 0444);
 122 #endif
 123
 124 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 125 {
 126         drm_radeon_private_t *dev_priv = dev->dev_private;
 127
 128         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 129                 return 0;
 130
 131         /* Disable *all* interrupts */
 132         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 133                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 134         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 135         return 0;
 136 }
 137
 138 static int radeon_resume(struct drm_device *dev)
 139 {
 140         drm_radeon_private_t *dev_priv = dev->dev_private;
 141
 142         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 143                 return 0;
 144
 145         /* Restore interrupt registers */
 146         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 147                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 148         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 149         return 0;
 150 }
 151
 152 static struct pci_device_id pciidlist[] = {
 153         radeon_PCI_IDS
 154 };
 155
 156 #if defined(CONFIG_DRM_RADEON_KMS)
 157 MODULE_DEVICE_TABLE(pci, pciidlist);
 158 #endif
 159
 160 static struct drm_driver driver_old = {
 161         .driver_features =
 162             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 163             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 164         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 165         .load = radeon_driver_load,
 166         .firstopen = radeon_driver_firstopen,
 167         .open = radeon_driver_open,
 168         .preclose = radeon_driver_preclose,
 169         .postclose = radeon_driver_postclose,
 170         .lastclose = radeon_driver_lastclose,
 171         .unload = radeon_driver_unload,
 172         .suspend = radeon_suspend,
 173         .resume = radeon_resume,
 174         .get_vblank_counter = radeon_get_vblank_counter,
 175         .enable_vblank = radeon_enable_vblank,
 176         .disable_vblank = radeon_disable_vblank,
 177         .master_create = radeon_master_create,
 178         .master_destroy = radeon_master_destroy,
 179         .irq_preinstall = radeon_driver_irq_preinstall,
 180         .irq_postinstall = radeon_driver_irq_postinstall,
 181         .irq_uninstall = radeon_driver_irq_uninstall,
 182         .irq_handler = radeon_driver_irq_handler,
 183         .reclaim_buffers = drm_core_reclaim_buffers,
 184         .get_map_ofs = drm_core_get_map_ofs,
 185         .get_reg_ofs = drm_core_get_reg_ofs,
 186         .ioctls = radeon_ioctls,
 187         .dma_ioctl = radeon_cp_buffers,
 188         .fops = {
 189                  .owner = THIS_MODULE,
 190                  .open = drm_open,
 191                  .release = drm_release,
 192                  .ioctl = drm_ioctl,
 193                  .mmap = drm_mmap,
 194                  .poll = drm_poll,
 195                  .fasync = drm_fasync,
 196 #ifdef CONFIG_COMPAT
 197                  .compat_ioctl = radeon_compat_ioctl,
 198 #endif
 199         },
 200
 201         .pci_driver = {
 202                  .name = DRIVER_NAME,
 203                  .id_table = pciidlist,
 204         },
 205
 206         .name = DRIVER_NAME,
 207         .desc = DRIVER_DESC,
 208         .date = DRIVER_DATE,
 209         .major = DRIVER_MAJOR,
 210         .minor = DRIVER_MINOR,
 211         .patchlevel = DRIVER_PATCHLEVEL,
 212 };
 213
 214 #if defined(CONFIG_DRM_RADEON_KMS)
 215 static struct drm_driver kms_driver;
 216
 217 static int __devinit
 218 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 219 {
 220         return drm_get_dev(pdev, ent, &kms_driver);
 221 }
 222
 223 static void
 224 radeon_pci_remove(struct pci_dev *pdev)
 225 {
 226         struct drm_device *dev = pci_get_drvdata(pdev);
 227
 228         drm_put_dev(dev);
 229 }
 230
 231 static int
 232 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 233 {
 234         struct drm_device *dev = pci_get_drvdata(pdev);
 235         return radeon_suspend_kms(dev, state);
 236 }
 237
 238 static int
 239 radeon_pci_resume(struct pci_dev *pdev)
 240 {
 241         struct drm_device *dev = pci_get_drvdata(pdev);
 242         return radeon_resume_kms(dev);
 243 }
 244
 245 static struct drm_driver kms_driver = {
 246         .driver_features =
 247             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 248             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 249         .dev_priv_size = 0,
 250         .load = radeon_driver_load_kms,
 251         .firstopen = radeon_driver_firstopen_kms,
 252         .open = radeon_driver_open_kms,
 253         .preclose = radeon_driver_preclose_kms,
 254         .postclose = radeon_driver_postclose_kms,
 255         .lastclose = radeon_driver_lastclose_kms,
 256         .unload = radeon_driver_unload_kms,
 257         .suspend = radeon_suspend_kms,
 258         .resume = radeon_resume_kms,
 259         .get_vblank_counter = radeon_get_vblank_counter_kms,
 260         .enable_vblank = radeon_enable_vblank_kms,
 261         .disable_vblank = radeon_disable_vblank_kms,
 262         .master_create = radeon_master_create_kms,
 263         .master_destroy = radeon_master_destroy_kms,
 264 #if defined(CONFIG_DEBUG_FS)
 265         .debugfs_init = radeon_debugfs_init,
 266         .debugfs_cleanup = radeon_debugfs_cleanup,
 267 #endif
 268         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 269         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 270         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 271         .irq_handler = radeon_driver_irq_handler_kms,
 272         .reclaim_buffers = drm_core_reclaim_buffers,
 273         .get_map_ofs = drm_core_get_map_ofs,
 274         .get_reg_ofs = drm_core_get_reg_ofs,
 275         .ioctls = radeon_ioctls_kms,
 276         .gem_init_object = radeon_gem_object_init,
 277         .gem_free_object = radeon_gem_object_free,
 278         .dma_ioctl = radeon_dma_ioctl_kms,
 279         .fops = {
 280                  .owner = THIS_MODULE,
 281                  .open = drm_open,
 282                  .release = drm_release,
 283                  .ioctl = drm_ioctl,
 284                  .mmap = radeon_mmap,
 285                  .poll = drm_poll,
 286                  .fasync = drm_fasync,
 287 #ifdef CONFIG_COMPAT
 288                  .compat_ioctl = NULL,
 289 #endif
 290         },
 291
 292         .pci_driver = {
 293                  .name = DRIVER_NAME,
 294                  .id_table = pciidlist,
 295                  .probe = radeon_pci_probe,
 296                  .remove = radeon_pci_remove,
 297                  .suspend = radeon_pci_suspend,
 298                  .resume = radeon_pci_resume,
 299         },
 300
 301         .name = DRIVER_NAME,
 302         .desc = DRIVER_DESC,
 303         .date = DRIVER_DATE,
 304         .major = KMS_DRIVER_MAJOR,
 305         .minor = KMS_DRIVER_MINOR,
 306         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 307 };
 308 #endif
 309
 310 static struct drm_driver *driver;
 311
 312 static int __init radeon_init(void)
 313 {
 314         driver = &driver_old;
 315         driver->num_ioctls = radeon_max_ioctl;
 316 #if defined(CONFIG_DRM_RADEON_KMS) && defined(CONFIG_X86)
 317         /* if enabled by default */
 318         if (radeon_modeset == -1) {
 319                 DRM_INFO("radeon default to kernel modesetting.\n");
 320                 radeon_modeset = 1;
 321         }
 322         if (radeon_modeset == 1) {
 323                 DRM_INFO("radeon kernel modesetting enabled.\n");
 324                 driver = &kms_driver;
 325                 driver->driver_features |= DRIVER_MODESET;
 326                 driver->num_ioctls = radeon_max_kms_ioctl;
 327         }
 328
 329         /* if the vga console setting is enabled still
 330          * let modprobe override it */
 331 #ifdef CONFIG_VGA_CONSOLE
 332         if (vgacon_text_force() && radeon_modeset == -1) {
 333                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 334                 driver = &driver_old;
 335                 driver->driver_features &= ~DRIVER_MODESET;
 336                 radeon_modeset = 0;
 337         }
 338 #endif
 339 #endif
 340         return drm_init(driver);
 341 }
 342
 343 static void __exit radeon_exit(void)
 344 {
 345         drm_exit(driver);
 346 }
 347
 348 late_initcall(radeon_init);
 349 module_exit(radeon_exit);
 350
 351 MODULE_AUTHOR(DRIVER_AUTHOR);
 352 MODULE_DESCRIPTION(DRIVER_DESC);
 353 MODULE_LICENSE("GPL and additional rights");