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  * - 2.2.0 - add r6xx/r7xx const buffer support
  46  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  47  * - 2.4.0 - add crtc id query
  48  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  49  */
  50 #define KMS_DRIVER_MAJOR        2
  51 #define KMS_DRIVER_MINOR        5
  52 #define KMS_DRIVER_PATCHLEVEL   0
  53 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  54 int radeon_driver_unload_kms(struct drm_device *dev);
  55 int radeon_driver_firstopen_kms(struct drm_device *dev);
  56 void radeon_driver_lastclose_kms(struct drm_device *dev);
  57 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  58 void radeon_driver_postclose_kms(struct drm_device *dev,
  59                                  struct drm_file *file_priv);
  60 void radeon_driver_preclose_kms(struct drm_device *dev,
  61                                 struct drm_file *file_priv);
  62 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  63 int radeon_resume_kms(struct drm_device *dev);
  64 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  65 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  66 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  67 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  68 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  69 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  70 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  71 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  72                          struct drm_file *file_priv);
  73 int radeon_gem_object_init(struct drm_gem_object *obj);
  74 void radeon_gem_object_free(struct drm_gem_object *obj);
  75 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  76 extern int radeon_max_kms_ioctl;
  77 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  78 #if defined(CONFIG_DEBUG_FS)
  79 int radeon_debugfs_init(struct drm_minor *minor);
  80 void radeon_debugfs_cleanup(struct drm_minor *minor);
  81 #endif
  82
  83
  84 int radeon_no_wb;
  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 int radeon_new_pll = -1;
  96 int radeon_audio = 1;
  97 int radeon_disp_priority = 0;
  98 int radeon_hw_i2c = 0;
  99
 100 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 101 module_param_named(no_wb, radeon_no_wb, int, 0444);
 102
 103 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 104 module_param_named(modeset, radeon_modeset, int, 0400);
 105
 106 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 107 module_param_named(dynclks, radeon_dynclks, int, 0444);
 108
 109 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 110 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 111
 112 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 113 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 114
 115 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 116 module_param_named(agpmode, radeon_agpmode, int, 0444);
 117
 118 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 119 module_param_named(gartsize, radeon_gart_size, int, 0600);
 120
 121 MODULE_PARM_DESC(benchmark, "Run benchmark");
 122 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 123
 124 MODULE_PARM_DESC(test, "Run tests");
 125 module_param_named(test, radeon_testing, int, 0444);
 126
 127 MODULE_PARM_DESC(connector_table, "Force connector table");
 128 module_param_named(connector_table, radeon_connector_table, int, 0444);
 129
 130 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 131 module_param_named(tv, radeon_tv, int, 0444);
 132
 133 MODULE_PARM_DESC(new_pll, "Select new PLL code");
 134 module_param_named(new_pll, radeon_new_pll, int, 0444);
 135
 136 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
 137 module_param_named(audio, radeon_audio, int, 0444);
 138
 139 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 140 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 141
 142 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 143 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 144
 145 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 146 {
 147         drm_radeon_private_t *dev_priv = dev->dev_private;
 148
 149         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 150                 return 0;
 151
 152         /* Disable *all* interrupts */
 153         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 154                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 155         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 156         return 0;
 157 }
 158
 159 static int radeon_resume(struct drm_device *dev)
 160 {
 161         drm_radeon_private_t *dev_priv = dev->dev_private;
 162
 163         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 164                 return 0;
 165
 166         /* Restore interrupt registers */
 167         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 168                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 169         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 170         return 0;
 171 }
 172
 173 static struct pci_device_id pciidlist[] = {
 174         radeon_PCI_IDS
 175 };
 176
 177 #if defined(CONFIG_DRM_RADEON_KMS)
 178 MODULE_DEVICE_TABLE(pci, pciidlist);
 179 #endif
 180
 181 static struct drm_driver driver_old = {
 182         .driver_features =
 183             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 184             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 185         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 186         .load = radeon_driver_load,
 187         .firstopen = radeon_driver_firstopen,
 188         .open = radeon_driver_open,
 189         .preclose = radeon_driver_preclose,
 190         .postclose = radeon_driver_postclose,
 191         .lastclose = radeon_driver_lastclose,
 192         .unload = radeon_driver_unload,
 193         .suspend = radeon_suspend,
 194         .resume = radeon_resume,
 195         .get_vblank_counter = radeon_get_vblank_counter,
 196         .enable_vblank = radeon_enable_vblank,
 197         .disable_vblank = radeon_disable_vblank,
 198         .master_create = radeon_master_create,
 199         .master_destroy = radeon_master_destroy,
 200         .irq_preinstall = radeon_driver_irq_preinstall,
 201         .irq_postinstall = radeon_driver_irq_postinstall,
 202         .irq_uninstall = radeon_driver_irq_uninstall,
 203         .irq_handler = radeon_driver_irq_handler,
 204         .reclaim_buffers = drm_core_reclaim_buffers,
 205         .get_map_ofs = drm_core_get_map_ofs,
 206         .get_reg_ofs = drm_core_get_reg_ofs,
 207         .ioctls = radeon_ioctls,
 208         .dma_ioctl = radeon_cp_buffers,
 209         .fops = {
 210                  .owner = THIS_MODULE,
 211                  .open = drm_open,
 212                  .release = drm_release,
 213                  .unlocked_ioctl = drm_ioctl,
 214                  .mmap = drm_mmap,
 215                  .poll = drm_poll,
 216                  .fasync = drm_fasync,
 217                  .read = drm_read,
 218 #ifdef CONFIG_COMPAT
 219                  .compat_ioctl = radeon_compat_ioctl,
 220 #endif
 221         },
 222
 223         .pci_driver = {
 224                  .name = DRIVER_NAME,
 225                  .id_table = pciidlist,
 226         },
 227
 228         .name = DRIVER_NAME,
 229         .desc = DRIVER_DESC,
 230         .date = DRIVER_DATE,
 231         .major = DRIVER_MAJOR,
 232         .minor = DRIVER_MINOR,
 233         .patchlevel = DRIVER_PATCHLEVEL,
 234 };
 235
 236 static struct drm_driver kms_driver;
 237
 238 static int __devinit
 239 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 240 {
 241         return drm_get_dev(pdev, ent, &kms_driver);
 242 }
 243
 244 static void
 245 radeon_pci_remove(struct pci_dev *pdev)
 246 {
 247         struct drm_device *dev = pci_get_drvdata(pdev);
 248
 249         drm_put_dev(dev);
 250 }
 251
 252 static int
 253 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 254 {
 255         struct drm_device *dev = pci_get_drvdata(pdev);
 256         return radeon_suspend_kms(dev, state);
 257 }
 258
 259 static int
 260 radeon_pci_resume(struct pci_dev *pdev)
 261 {
 262         struct drm_device *dev = pci_get_drvdata(pdev);
 263         return radeon_resume_kms(dev);
 264 }
 265
 266 static struct drm_driver kms_driver = {
 267         .driver_features =
 268             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 269             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 270         .dev_priv_size = 0,
 271         .load = radeon_driver_load_kms,
 272         .firstopen = radeon_driver_firstopen_kms,
 273         .open = radeon_driver_open_kms,
 274         .preclose = radeon_driver_preclose_kms,
 275         .postclose = radeon_driver_postclose_kms,
 276         .lastclose = radeon_driver_lastclose_kms,
 277         .unload = radeon_driver_unload_kms,
 278         .suspend = radeon_suspend_kms,
 279         .resume = radeon_resume_kms,
 280         .get_vblank_counter = radeon_get_vblank_counter_kms,
 281         .enable_vblank = radeon_enable_vblank_kms,
 282         .disable_vblank = radeon_disable_vblank_kms,
 283 #if defined(CONFIG_DEBUG_FS)
 284         .debugfs_init = radeon_debugfs_init,
 285         .debugfs_cleanup = radeon_debugfs_cleanup,
 286 #endif
 287         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 288         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 289         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 290         .irq_handler = radeon_driver_irq_handler_kms,
 291         .reclaim_buffers = drm_core_reclaim_buffers,
 292         .get_map_ofs = drm_core_get_map_ofs,
 293         .get_reg_ofs = drm_core_get_reg_ofs,
 294         .ioctls = radeon_ioctls_kms,
 295         .gem_init_object = radeon_gem_object_init,
 296         .gem_free_object = radeon_gem_object_free,
 297         .dma_ioctl = radeon_dma_ioctl_kms,
 298         .fops = {
 299                  .owner = THIS_MODULE,
 300                  .open = drm_open,
 301                  .release = drm_release,
 302                  .unlocked_ioctl = drm_ioctl,
 303                  .mmap = radeon_mmap,
 304                  .poll = drm_poll,
 305                  .fasync = drm_fasync,
 306                  .read = drm_read,
 307 #ifdef CONFIG_COMPAT
 308                  .compat_ioctl = radeon_kms_compat_ioctl,
 309 #endif
 310         },
 311
 312         .pci_driver = {
 313                  .name = DRIVER_NAME,
 314                  .id_table = pciidlist,
 315                  .probe = radeon_pci_probe,
 316                  .remove = radeon_pci_remove,
 317                  .suspend = radeon_pci_suspend,
 318                  .resume = radeon_pci_resume,
 319         },
 320
 321         .name = DRIVER_NAME,
 322         .desc = DRIVER_DESC,
 323         .date = DRIVER_DATE,
 324         .major = KMS_DRIVER_MAJOR,
 325         .minor = KMS_DRIVER_MINOR,
 326         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 327 };
 328
 329 static struct drm_driver *driver;
 330
 331 static int __init radeon_init(void)
 332 {
 333         driver = &driver_old;
 334         driver->num_ioctls = radeon_max_ioctl;
 335 #ifdef CONFIG_VGA_CONSOLE
 336         if (vgacon_text_force() && radeon_modeset == -1) {
 337                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 338                 driver = &driver_old;
 339                 driver->driver_features &= ~DRIVER_MODESET;
 340                 radeon_modeset = 0;
 341         }
 342 #endif
 343         /* if enabled by default */
 344         if (radeon_modeset == -1) {
 345 #ifdef CONFIG_DRM_RADEON_KMS
 346                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 347                 radeon_modeset = 1;
 348 #else
 349                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 350                 radeon_modeset = 0;
 351 #endif
 352         }
 353         if (radeon_modeset == 1) {
 354                 DRM_INFO("radeon kernel modesetting enabled.\n");
 355                 driver = &kms_driver;
 356                 driver->driver_features |= DRIVER_MODESET;
 357                 driver->num_ioctls = radeon_max_kms_ioctl;
 358                 radeon_register_atpx_handler();
 359         }
 360         /* if the vga console setting is enabled still
 361          * let modprobe override it */
 362         return drm_init(driver);
 363 }
 364
 365 static void __exit radeon_exit(void)
 366 {
 367         drm_exit(driver);
 368         radeon_unregister_atpx_handler();
 369 }
 370
 371 module_init(radeon_init);
 372 module_exit(radeon_exit);
 373
 374 MODULE_AUTHOR(DRIVER_AUTHOR);
 375 MODULE_DESCRIPTION(DRIVER_DESC);
 376 MODULE_LICENSE("GPL and additional rights");