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  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  50  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  51  */
  52 #define KMS_DRIVER_MAJOR        2
  53 #define KMS_DRIVER_MINOR        7
  54 #define KMS_DRIVER_PATCHLEVEL   0
  55 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  56 int radeon_driver_unload_kms(struct drm_device *dev);
  57 int radeon_driver_firstopen_kms(struct drm_device *dev);
  58 void radeon_driver_lastclose_kms(struct drm_device *dev);
  59 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  60 void radeon_driver_postclose_kms(struct drm_device *dev,
  61                                  struct drm_file *file_priv);
  62 void radeon_driver_preclose_kms(struct drm_device *dev,
  63                                 struct drm_file *file_priv);
  64 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  65 int radeon_resume_kms(struct drm_device *dev);
  66 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  67 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  68 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  69 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  70 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  71 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  72 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  73 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  74                          struct drm_file *file_priv);
  75 int radeon_gem_object_init(struct drm_gem_object *obj);
  76 void radeon_gem_object_free(struct drm_gem_object *obj);
  77 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  78 extern int radeon_max_kms_ioctl;
  79 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  80 #if defined(CONFIG_DEBUG_FS)
  81 int radeon_debugfs_init(struct drm_minor *minor);
  82 void radeon_debugfs_cleanup(struct drm_minor *minor);
  83 #endif
  84
  85
  86 int radeon_no_wb;
  87 int radeon_modeset = -1;
  88 int radeon_dynclks = -1;
  89 int radeon_r4xx_atom = 0;
  90 int radeon_agpmode = 0;
  91 int radeon_vram_limit = 0;
  92 int radeon_gart_size = 512; /* default gart size */
  93 int radeon_benchmarking = 0;
  94 int radeon_testing = 0;
  95 int radeon_connector_table = 0;
  96 int radeon_tv = 1;
  97 int radeon_audio = 1;
  98 int radeon_disp_priority = 0;
  99 int radeon_hw_i2c = 0;
 100
 101 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 102 module_param_named(no_wb, radeon_no_wb, int, 0444);
 103
 104 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 105 module_param_named(modeset, radeon_modeset, int, 0400);
 106
 107 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 108 module_param_named(dynclks, radeon_dynclks, int, 0444);
 109
 110 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 111 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 112
 113 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 114 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 115
 116 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 117 module_param_named(agpmode, radeon_agpmode, int, 0444);
 118
 119 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 120 module_param_named(gartsize, radeon_gart_size, int, 0600);
 121
 122 MODULE_PARM_DESC(benchmark, "Run benchmark");
 123 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 124
 125 MODULE_PARM_DESC(test, "Run tests");
 126 module_param_named(test, radeon_testing, int, 0444);
 127
 128 MODULE_PARM_DESC(connector_table, "Force connector table");
 129 module_param_named(connector_table, radeon_connector_table, int, 0444);
 130
 131 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 132 module_param_named(tv, radeon_tv, int, 0444);
 133
 134 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
 135 module_param_named(audio, radeon_audio, int, 0444);
 136
 137 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 138 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 139
 140 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 141 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 142
 143 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 144 {
 145         drm_radeon_private_t *dev_priv = dev->dev_private;
 146
 147         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 148                 return 0;
 149
 150         /* Disable *all* interrupts */
 151         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 152                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 153         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 154         return 0;
 155 }
 156
 157 static int radeon_resume(struct drm_device *dev)
 158 {
 159         drm_radeon_private_t *dev_priv = dev->dev_private;
 160
 161         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 162                 return 0;
 163
 164         /* Restore interrupt registers */
 165         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 166                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 167         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 168         return 0;
 169 }
 170
 171 static struct pci_device_id pciidlist[] = {
 172         radeon_PCI_IDS
 173 };
 174
 175 #if defined(CONFIG_DRM_RADEON_KMS)
 176 MODULE_DEVICE_TABLE(pci, pciidlist);
 177 #endif
 178
 179 static struct drm_driver driver_old = {
 180         .driver_features =
 181             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 182             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 183         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 184         .load = radeon_driver_load,
 185         .firstopen = radeon_driver_firstopen,
 186         .open = radeon_driver_open,
 187         .preclose = radeon_driver_preclose,
 188         .postclose = radeon_driver_postclose,
 189         .lastclose = radeon_driver_lastclose,
 190         .unload = radeon_driver_unload,
 191         .suspend = radeon_suspend,
 192         .resume = radeon_resume,
 193         .get_vblank_counter = radeon_get_vblank_counter,
 194         .enable_vblank = radeon_enable_vblank,
 195         .disable_vblank = radeon_disable_vblank,
 196         .master_create = radeon_master_create,
 197         .master_destroy = radeon_master_destroy,
 198         .irq_preinstall = radeon_driver_irq_preinstall,
 199         .irq_postinstall = radeon_driver_irq_postinstall,
 200         .irq_uninstall = radeon_driver_irq_uninstall,
 201         .irq_handler = radeon_driver_irq_handler,
 202         .reclaim_buffers = drm_core_reclaim_buffers,
 203         .ioctls = radeon_ioctls,
 204         .dma_ioctl = radeon_cp_buffers,
 205         .fops = {
 206                  .owner = THIS_MODULE,
 207                  .open = drm_open,
 208                  .release = drm_release,
 209                  .unlocked_ioctl = drm_ioctl,
 210                  .mmap = drm_mmap,
 211                  .poll = drm_poll,
 212                  .fasync = drm_fasync,
 213                  .read = drm_read,
 214 #ifdef CONFIG_COMPAT
 215                  .compat_ioctl = radeon_compat_ioctl,
 216 #endif
 217                  .llseek = noop_llseek,
 218         },
 219
 220         .pci_driver = {
 221                  .name = DRIVER_NAME,
 222                  .id_table = pciidlist,
 223         },
 224
 225         .name = DRIVER_NAME,
 226         .desc = DRIVER_DESC,
 227         .date = DRIVER_DATE,
 228         .major = DRIVER_MAJOR,
 229         .minor = DRIVER_MINOR,
 230         .patchlevel = DRIVER_PATCHLEVEL,
 231 };
 232
 233 static struct drm_driver kms_driver;
 234
 235 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 236 {
 237         struct apertures_struct *ap;
 238         bool primary = false;
 239
 240         ap = alloc_apertures(1);
 241         ap->ranges[0].base = pci_resource_start(pdev, 0);
 242         ap->ranges[0].size = pci_resource_len(pdev, 0);
 243
 244 #ifdef CONFIG_X86
 245         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 246 #endif
 247         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 248         kfree(ap);
 249 }
 250
 251 static int __devinit
 252 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 253 {
 254         /* Get rid of things like offb */
 255         radeon_kick_out_firmware_fb(pdev);
 256
 257         return drm_get_pci_dev(pdev, ent, &kms_driver);
 258 }
 259
 260 static void
 261 radeon_pci_remove(struct pci_dev *pdev)
 262 {
 263         struct drm_device *dev = pci_get_drvdata(pdev);
 264
 265         drm_put_dev(dev);
 266 }
 267
 268 static int
 269 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 270 {
 271         struct drm_device *dev = pci_get_drvdata(pdev);
 272         return radeon_suspend_kms(dev, state);
 273 }
 274
 275 static int
 276 radeon_pci_resume(struct pci_dev *pdev)
 277 {
 278         struct drm_device *dev = pci_get_drvdata(pdev);
 279         return radeon_resume_kms(dev);
 280 }
 281
 282 static struct drm_driver kms_driver = {
 283         .driver_features =
 284             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 285             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 286         .dev_priv_size = 0,
 287         .load = radeon_driver_load_kms,
 288         .firstopen = radeon_driver_firstopen_kms,
 289         .open = radeon_driver_open_kms,
 290         .preclose = radeon_driver_preclose_kms,
 291         .postclose = radeon_driver_postclose_kms,
 292         .lastclose = radeon_driver_lastclose_kms,
 293         .unload = radeon_driver_unload_kms,
 294         .suspend = radeon_suspend_kms,
 295         .resume = radeon_resume_kms,
 296         .get_vblank_counter = radeon_get_vblank_counter_kms,
 297         .enable_vblank = radeon_enable_vblank_kms,
 298         .disable_vblank = radeon_disable_vblank_kms,
 299 #if defined(CONFIG_DEBUG_FS)
 300         .debugfs_init = radeon_debugfs_init,
 301         .debugfs_cleanup = radeon_debugfs_cleanup,
 302 #endif
 303         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 304         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 305         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 306         .irq_handler = radeon_driver_irq_handler_kms,
 307         .reclaim_buffers = drm_core_reclaim_buffers,
 308         .ioctls = radeon_ioctls_kms,
 309         .gem_init_object = radeon_gem_object_init,
 310         .gem_free_object = radeon_gem_object_free,
 311         .dma_ioctl = radeon_dma_ioctl_kms,
 312         .fops = {
 313                  .owner = THIS_MODULE,
 314                  .open = drm_open,
 315                  .release = drm_release,
 316                  .unlocked_ioctl = drm_ioctl,
 317                  .mmap = radeon_mmap,
 318                  .poll = drm_poll,
 319                  .fasync = drm_fasync,
 320                  .read = drm_read,
 321 #ifdef CONFIG_COMPAT
 322                  .compat_ioctl = radeon_kms_compat_ioctl,
 323 #endif
 324         },
 325
 326         .pci_driver = {
 327                  .name = DRIVER_NAME,
 328                  .id_table = pciidlist,
 329                  .probe = radeon_pci_probe,
 330                  .remove = radeon_pci_remove,
 331                  .suspend = radeon_pci_suspend,
 332                  .resume = radeon_pci_resume,
 333         },
 334
 335         .name = DRIVER_NAME,
 336         .desc = DRIVER_DESC,
 337         .date = DRIVER_DATE,
 338         .major = KMS_DRIVER_MAJOR,
 339         .minor = KMS_DRIVER_MINOR,
 340         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 341 };
 342
 343 static struct drm_driver *driver;
 344
 345 static int __init radeon_init(void)
 346 {
 347         driver = &driver_old;
 348         driver->num_ioctls = radeon_max_ioctl;
 349 #ifdef CONFIG_VGA_CONSOLE
 350         if (vgacon_text_force() && radeon_modeset == -1) {
 351                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 352                 driver = &driver_old;
 353                 driver->driver_features &= ~DRIVER_MODESET;
 354                 radeon_modeset = 0;
 355         }
 356 #endif
 357         /* if enabled by default */
 358         if (radeon_modeset == -1) {
 359 #ifdef CONFIG_DRM_RADEON_KMS
 360                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 361                 radeon_modeset = 1;
 362 #else
 363                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 364                 radeon_modeset = 0;
 365 #endif
 366         }
 367         if (radeon_modeset == 1) {
 368                 DRM_INFO("radeon kernel modesetting enabled.\n");
 369                 driver = &kms_driver;
 370                 driver->driver_features |= DRIVER_MODESET;
 371                 driver->num_ioctls = radeon_max_kms_ioctl;
 372                 radeon_register_atpx_handler();
 373         }
 374         /* if the vga console setting is enabled still
 375          * let modprobe override it */
 376         return drm_init(driver);
 377 }
 378
 379 static void __exit radeon_exit(void)
 380 {
 381         drm_exit(driver);
 382         radeon_unregister_atpx_handler();
 383 }
 384
 385 module_init(radeon_init);
 386 module_exit(radeon_exit);
 387
 388 MODULE_AUTHOR(DRIVER_AUTHOR);
 389 MODULE_DESCRIPTION(DRIVER_DESC);
 390 MODULE_LICENSE("GPL and additional rights");