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