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  */
  46 #define KMS_DRIVER_MAJOR        2
  47 #define KMS_DRIVER_MINOR        1
  48 #define KMS_DRIVER_PATCHLEVEL   0
  49 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  50 int radeon_driver_unload_kms(struct drm_device *dev);
  51 int radeon_driver_firstopen_kms(struct drm_device *dev);
  52 void radeon_driver_lastclose_kms(struct drm_device *dev);
  53 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  54 void radeon_driver_postclose_kms(struct drm_device *dev,
  55                                  struct drm_file *file_priv);
  56 void radeon_driver_preclose_kms(struct drm_device *dev,
  57                                 struct drm_file *file_priv);
  58 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  59 int radeon_resume_kms(struct drm_device *dev);
  60 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  61 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  62 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  63 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  64 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  65 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  66 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  67 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  68                          struct drm_file *file_priv);
  69 int radeon_gem_object_init(struct drm_gem_object *obj);
  70 void radeon_gem_object_free(struct drm_gem_object *obj);
  71 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  72 extern int radeon_max_kms_ioctl;
  73 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  74 #if defined(CONFIG_DEBUG_FS)
  75 int radeon_debugfs_init(struct drm_minor *minor);
  76 void radeon_debugfs_cleanup(struct drm_minor *minor);
  77 #endif
  78
  79
  80 int radeon_no_wb;
  81 int radeon_modeset = -1;
  82 int radeon_dynclks = -1;
  83 int radeon_r4xx_atom = 0;
  84 int radeon_agpmode = 0;
  85 int radeon_vram_limit = 0;
  86 int radeon_gart_size = 512; /* default gart size */
  87 int radeon_benchmarking = 0;
  88 int radeon_testing = 0;
  89 int radeon_connector_table = 0;
  90 int radeon_tv = 1;
  91 int radeon_new_pll = -1;
  92 int radeon_dynpm = -1;
  93 int radeon_audio = 1;
  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 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
  99 module_param_named(modeset, radeon_modeset, int, 0400);
 100
 101 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 102 module_param_named(dynclks, radeon_dynclks, int, 0444);
 103
 104 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 105 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 106
 107 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 108 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 109
 110 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 111 module_param_named(agpmode, radeon_agpmode, int, 0444);
 112
 113 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 114 module_param_named(gartsize, radeon_gart_size, int, 0600);
 115
 116 MODULE_PARM_DESC(benchmark, "Run benchmark");
 117 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 118
 119 MODULE_PARM_DESC(test, "Run tests");
 120 module_param_named(test, radeon_testing, int, 0444);
 121
 122 MODULE_PARM_DESC(connector_table, "Force connector table");
 123 module_param_named(connector_table, radeon_connector_table, int, 0444);
 124
 125 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 126 module_param_named(tv, radeon_tv, int, 0444);
 127
 128 MODULE_PARM_DESC(new_pll, "Select new PLL code");
 129 module_param_named(new_pll, radeon_new_pll, int, 0444);
 130
 131 MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");
 132 module_param_named(dynpm, radeon_dynpm, int, 0444);
 133
 134 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
 135 module_param_named(audio, radeon_audio, int, 0444);
 136
 137 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 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         /* Disable *all* interrupts */
 145         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 146                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 147         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 148         return 0;
 149 }
 150
 151 static int radeon_resume(struct drm_device *dev)
 152 {
 153         drm_radeon_private_t *dev_priv = dev->dev_private;
 154
 155         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 156                 return 0;
 157
 158         /* Restore interrupt registers */
 159         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 160                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 161         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 162         return 0;
 163 }
 164
 165 static struct pci_device_id pciidlist[] = {
 166         radeon_PCI_IDS
 167 };
 168
 169 #if defined(CONFIG_DRM_RADEON_KMS)
 170 MODULE_DEVICE_TABLE(pci, pciidlist);
 171 #endif
 172
 173 static struct drm_driver driver_old = {
 174         .driver_features =
 175             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 176             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 177         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 178         .load = radeon_driver_load,
 179         .firstopen = radeon_driver_firstopen,
 180         .open = radeon_driver_open,
 181         .preclose = radeon_driver_preclose,
 182         .postclose = radeon_driver_postclose,
 183         .lastclose = radeon_driver_lastclose,
 184         .unload = radeon_driver_unload,
 185         .suspend = radeon_suspend,
 186         .resume = radeon_resume,
 187         .get_vblank_counter = radeon_get_vblank_counter,
 188         .enable_vblank = radeon_enable_vblank,
 189         .disable_vblank = radeon_disable_vblank,
 190         .master_create = radeon_master_create,
 191         .master_destroy = radeon_master_destroy,
 192         .irq_preinstall = radeon_driver_irq_preinstall,
 193         .irq_postinstall = radeon_driver_irq_postinstall,
 194         .irq_uninstall = radeon_driver_irq_uninstall,
 195         .irq_handler = radeon_driver_irq_handler,
 196         .reclaim_buffers = drm_core_reclaim_buffers,
 197         .get_map_ofs = drm_core_get_map_ofs,
 198         .get_reg_ofs = drm_core_get_reg_ofs,
 199         .ioctls = radeon_ioctls,
 200         .dma_ioctl = radeon_cp_buffers,
 201         .fops = {
 202                  .owner = THIS_MODULE,
 203                  .open = drm_open,
 204                  .release = drm_release,
 205                  .unlocked_ioctl = drm_ioctl,
 206                  .mmap = drm_mmap,
 207                  .poll = drm_poll,
 208                  .fasync = drm_fasync,
 209 #ifdef CONFIG_COMPAT
 210                  .compat_ioctl = radeon_compat_ioctl,
 211 #endif
 212         },
 213
 214         .pci_driver = {
 215                  .name = DRIVER_NAME,
 216                  .id_table = pciidlist,
 217         },
 218
 219         .name = DRIVER_NAME,
 220         .desc = DRIVER_DESC,
 221         .date = DRIVER_DATE,
 222         .major = DRIVER_MAJOR,
 223         .minor = DRIVER_MINOR,
 224         .patchlevel = DRIVER_PATCHLEVEL,
 225 };
 226
 227 static struct drm_driver kms_driver;
 228
 229 static int __devinit
 230 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 231 {
 232         return drm_get_dev(pdev, ent, &kms_driver);
 233 }
 234
 235 static void
 236 radeon_pci_remove(struct pci_dev *pdev)
 237 {
 238         struct drm_device *dev = pci_get_drvdata(pdev);
 239
 240         drm_put_dev(dev);
 241 }
 242
 243 static int
 244 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 245 {
 246         struct drm_device *dev = pci_get_drvdata(pdev);
 247         return radeon_suspend_kms(dev, state);
 248 }
 249
 250 static int
 251 radeon_pci_resume(struct pci_dev *pdev)
 252 {
 253         struct drm_device *dev = pci_get_drvdata(pdev);
 254         return radeon_resume_kms(dev);
 255 }
 256
 257 static struct drm_driver kms_driver = {
 258         .driver_features =
 259             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 260             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 261         .dev_priv_size = 0,
 262         .load = radeon_driver_load_kms,
 263         .firstopen = radeon_driver_firstopen_kms,
 264         .open = radeon_driver_open_kms,
 265         .preclose = radeon_driver_preclose_kms,
 266         .postclose = radeon_driver_postclose_kms,
 267         .lastclose = radeon_driver_lastclose_kms,
 268         .unload = radeon_driver_unload_kms,
 269         .suspend = radeon_suspend_kms,
 270         .resume = radeon_resume_kms,
 271         .get_vblank_counter = radeon_get_vblank_counter_kms,
 272         .enable_vblank = radeon_enable_vblank_kms,
 273         .disable_vblank = radeon_disable_vblank_kms,
 274 #if defined(CONFIG_DEBUG_FS)
 275         .debugfs_init = radeon_debugfs_init,
 276         .debugfs_cleanup = radeon_debugfs_cleanup,
 277 #endif
 278         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 279         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 280         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 281         .irq_handler = radeon_driver_irq_handler_kms,
 282         .reclaim_buffers = drm_core_reclaim_buffers,
 283         .get_map_ofs = drm_core_get_map_ofs,
 284         .get_reg_ofs = drm_core_get_reg_ofs,
 285         .ioctls = radeon_ioctls_kms,
 286         .gem_init_object = radeon_gem_object_init,
 287         .gem_free_object = radeon_gem_object_free,
 288         .dma_ioctl = radeon_dma_ioctl_kms,
 289         .fops = {
 290                  .owner = THIS_MODULE,
 291                  .open = drm_open,
 292                  .release = drm_release,
 293                  .unlocked_ioctl = drm_ioctl,
 294                  .mmap = radeon_mmap,
 295                  .poll = drm_poll,
 296                  .fasync = drm_fasync,
 297 #ifdef CONFIG_COMPAT
 298                  .compat_ioctl = radeon_kms_compat_ioctl,
 299 #endif
 300         },
 301
 302         .pci_driver = {
 303                  .name = DRIVER_NAME,
 304                  .id_table = pciidlist,
 305                  .probe = radeon_pci_probe,
 306                  .remove = radeon_pci_remove,
 307                  .suspend = radeon_pci_suspend,
 308                  .resume = radeon_pci_resume,
 309         },
 310
 311         .name = DRIVER_NAME,
 312         .desc = DRIVER_DESC,
 313         .date = DRIVER_DATE,
 314         .major = KMS_DRIVER_MAJOR,
 315         .minor = KMS_DRIVER_MINOR,
 316         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 317 };
 318
 319 static struct drm_driver *driver;
 320
 321 static int __init radeon_init(void)
 322 {
 323         driver = &driver_old;
 324         driver->num_ioctls = radeon_max_ioctl;
 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 #ifdef CONFIG_DRM_RADEON_KMS
 336                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 337                 radeon_modeset = 1;
 338 #else
 339                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 340                 radeon_modeset = 0;
 341 #endif
 342         }
 343         if (radeon_modeset == 1) {
 344                 DRM_INFO("radeon kernel modesetting enabled.\n");
 345                 driver = &kms_driver;
 346                 driver->driver_features |= DRIVER_MODESET;
 347                 driver->num_ioctls = radeon_max_kms_ioctl;
 348                 radeon_register_atpx_handler();
 349         }
 350         /* if the vga console setting is enabled still
 351          * let modprobe override it */
 352         return drm_init(driver);
 353 }
 354
 355 static void __exit radeon_exit(void)
 356 {
 357         drm_exit(driver);
 358         radeon_unregister_atpx_handler();
 359 }
 360
 361 module_init(radeon_init);
 362 module_exit(radeon_exit);
 363
 364 MODULE_AUTHOR(DRIVER_AUTHOR);
 365 MODULE_DESCRIPTION(DRIVER_DESC);
 366 MODULE_LICENSE("GPL and additional rights");