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
  90 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
  91 module_param_named(no_wb, radeon_no_wb, int, 0444);
  92
  93 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
  94 module_param_named(modeset, radeon_modeset, int, 0400);
  95
  96 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
  97 module_param_named(dynclks, radeon_dynclks, int, 0444);
  98
  99 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 100 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 101
 102 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 103 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 104
 105 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 106 module_param_named(agpmode, radeon_agpmode, int, 0444);
 107
 108 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 109 module_param_named(gartsize, radeon_gart_size, int, 0600);
 110
 111 MODULE_PARM_DESC(benchmark, "Run benchmark");
 112 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 113
 114 MODULE_PARM_DESC(test, "Run tests");
 115 module_param_named(test, radeon_testing, int, 0444);
 116
 117 MODULE_PARM_DESC(connector_table, "Force connector table");
 118 module_param_named(connector_table, radeon_connector_table, int, 0444);
 119
 120 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 121 module_param_named(tv, radeon_tv, int, 0444);
 122
 123 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 124 {
 125         drm_radeon_private_t *dev_priv = dev->dev_private;
 126
 127         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 128                 return 0;
 129
 130         /* Disable *all* interrupts */
 131         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 132                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 133         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 134         return 0;
 135 }
 136
 137 static int radeon_resume(struct drm_device *dev)
 138 {
 139         drm_radeon_private_t *dev_priv = dev->dev_private;
 140
 141         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 142                 return 0;
 143
 144         /* Restore interrupt registers */
 145         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 146                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 147         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 148         return 0;
 149 }
 150
 151 static struct pci_device_id pciidlist[] = {
 152         radeon_PCI_IDS
 153 };
 154
 155 #if defined(CONFIG_DRM_RADEON_KMS)
 156 MODULE_DEVICE_TABLE(pci, pciidlist);
 157 #endif
 158
 159 static struct drm_driver driver_old = {
 160         .driver_features =
 161             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 162             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 163         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 164         .load = radeon_driver_load,
 165         .firstopen = radeon_driver_firstopen,
 166         .open = radeon_driver_open,
 167         .preclose = radeon_driver_preclose,
 168         .postclose = radeon_driver_postclose,
 169         .lastclose = radeon_driver_lastclose,
 170         .unload = radeon_driver_unload,
 171         .suspend = radeon_suspend,
 172         .resume = radeon_resume,
 173         .get_vblank_counter = radeon_get_vblank_counter,
 174         .enable_vblank = radeon_enable_vblank,
 175         .disable_vblank = radeon_disable_vblank,
 176         .master_create = radeon_master_create,
 177         .master_destroy = radeon_master_destroy,
 178         .irq_preinstall = radeon_driver_irq_preinstall,
 179         .irq_postinstall = radeon_driver_irq_postinstall,
 180         .irq_uninstall = radeon_driver_irq_uninstall,
 181         .irq_handler = radeon_driver_irq_handler,
 182         .reclaim_buffers = drm_core_reclaim_buffers,
 183         .get_map_ofs = drm_core_get_map_ofs,
 184         .get_reg_ofs = drm_core_get_reg_ofs,
 185         .ioctls = radeon_ioctls,
 186         .dma_ioctl = radeon_cp_buffers,
 187         .fops = {
 188                  .owner = THIS_MODULE,
 189                  .open = drm_open,
 190                  .release = drm_release,
 191                  .ioctl = drm_ioctl,
 192                  .mmap = drm_mmap,
 193                  .poll = drm_poll,
 194                  .fasync = drm_fasync,
 195 #ifdef CONFIG_COMPAT
 196                  .compat_ioctl = radeon_compat_ioctl,
 197 #endif
 198         },
 199
 200         .pci_driver = {
 201                  .name = DRIVER_NAME,
 202                  .id_table = pciidlist,
 203         },
 204
 205         .name = DRIVER_NAME,
 206         .desc = DRIVER_DESC,
 207         .date = DRIVER_DATE,
 208         .major = DRIVER_MAJOR,
 209         .minor = DRIVER_MINOR,
 210         .patchlevel = DRIVER_PATCHLEVEL,
 211 };
 212
 213 static struct drm_driver kms_driver;
 214
 215 static int __devinit
 216 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 217 {
 218         return drm_get_dev(pdev, ent, &kms_driver);
 219 }
 220
 221 static void
 222 radeon_pci_remove(struct pci_dev *pdev)
 223 {
 224         struct drm_device *dev = pci_get_drvdata(pdev);
 225
 226         drm_put_dev(dev);
 227 }
 228
 229 static int
 230 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 231 {
 232         struct drm_device *dev = pci_get_drvdata(pdev);
 233         return radeon_suspend_kms(dev, state);
 234 }
 235
 236 static int
 237 radeon_pci_resume(struct pci_dev *pdev)
 238 {
 239         struct drm_device *dev = pci_get_drvdata(pdev);
 240         return radeon_resume_kms(dev);
 241 }
 242
 243 static struct drm_driver kms_driver = {
 244         .driver_features =
 245             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 246             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 247         .dev_priv_size = 0,
 248         .load = radeon_driver_load_kms,
 249         .firstopen = radeon_driver_firstopen_kms,
 250         .open = radeon_driver_open_kms,
 251         .preclose = radeon_driver_preclose_kms,
 252         .postclose = radeon_driver_postclose_kms,
 253         .lastclose = radeon_driver_lastclose_kms,
 254         .unload = radeon_driver_unload_kms,
 255         .suspend = radeon_suspend_kms,
 256         .resume = radeon_resume_kms,
 257         .get_vblank_counter = radeon_get_vblank_counter_kms,
 258         .enable_vblank = radeon_enable_vblank_kms,
 259         .disable_vblank = radeon_disable_vblank_kms,
 260 #if defined(CONFIG_DEBUG_FS)
 261         .debugfs_init = radeon_debugfs_init,
 262         .debugfs_cleanup = radeon_debugfs_cleanup,
 263 #endif
 264         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 265         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 266         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 267         .irq_handler = radeon_driver_irq_handler_kms,
 268         .reclaim_buffers = drm_core_reclaim_buffers,
 269         .get_map_ofs = drm_core_get_map_ofs,
 270         .get_reg_ofs = drm_core_get_reg_ofs,
 271         .ioctls = radeon_ioctls_kms,
 272         .gem_init_object = radeon_gem_object_init,
 273         .gem_free_object = radeon_gem_object_free,
 274         .dma_ioctl = radeon_dma_ioctl_kms,
 275         .fops = {
 276                  .owner = THIS_MODULE,
 277                  .open = drm_open,
 278                  .release = drm_release,
 279                  .ioctl = drm_ioctl,
 280                  .mmap = radeon_mmap,
 281                  .poll = drm_poll,
 282                  .fasync = drm_fasync,
 283 #ifdef CONFIG_COMPAT
 284                  .compat_ioctl = radeon_kms_compat_ioctl,
 285 #endif
 286         },
 287
 288         .pci_driver = {
 289                  .name = DRIVER_NAME,
 290                  .id_table = pciidlist,
 291                  .probe = radeon_pci_probe,
 292                  .remove = radeon_pci_remove,
 293                  .suspend = radeon_pci_suspend,
 294                  .resume = radeon_pci_resume,
 295         },
 296
 297         .name = DRIVER_NAME,
 298         .desc = DRIVER_DESC,
 299         .date = DRIVER_DATE,
 300         .major = KMS_DRIVER_MAJOR,
 301         .minor = KMS_DRIVER_MINOR,
 302         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 303 };
 304
 305 static struct drm_driver *driver;
 306
 307 static int __init radeon_init(void)
 308 {
 309         driver = &driver_old;
 310         driver->num_ioctls = radeon_max_ioctl;
 311 #ifdef CONFIG_VGA_CONSOLE
 312         if (vgacon_text_force() && radeon_modeset == -1) {
 313                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 314                 driver = &driver_old;
 315                 driver->driver_features &= ~DRIVER_MODESET;
 316                 radeon_modeset = 0;
 317         }
 318 #endif
 319         /* if enabled by default */
 320         if (radeon_modeset == -1) {
 321 #ifdef CONFIG_DRM_RADEON_KMS
 322                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 323                 radeon_modeset = 1;
 324 #else
 325                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 326                 radeon_modeset = 0;
 327 #endif
 328         }
 329         if (radeon_modeset == 1) {
 330                 DRM_INFO("radeon kernel modesetting enabled.\n");
 331                 driver = &kms_driver;
 332                 driver->driver_features |= DRIVER_MODESET;
 333                 driver->num_ioctls = radeon_max_kms_ioctl;
 334         }
 335         /* if the vga console setting is enabled still
 336          * let modprobe override it */
 337         return drm_init(driver);
 338 }
 339
 340 static void __exit radeon_exit(void)
 341 {
 342         drm_exit(driver);
 343 }
 344
 345 module_init(radeon_init);
 346 module_exit(radeon_exit);
 347
 348 MODULE_AUTHOR(DRIVER_AUTHOR);
 349 MODULE_DESCRIPTION(DRIVER_DESC);
 350 MODULE_LICENSE("GPL and additional rights");