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  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  52  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  53  *   2.10.0 - fusion 2D tiling
  54  *   2.11.0 - backend map, initial compute support for the CS checker
  55  */
  56 #define KMS_DRIVER_MAJOR        2
  57 #define KMS_DRIVER_MINOR        11
  58 #define KMS_DRIVER_PATCHLEVEL   0
  59 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  60 int radeon_driver_unload_kms(struct drm_device *dev);
  61 int radeon_driver_firstopen_kms(struct drm_device *dev);
  62 void radeon_driver_lastclose_kms(struct drm_device *dev);
  63 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  64 void radeon_driver_postclose_kms(struct drm_device *dev,
  65                                  struct drm_file *file_priv);
  66 void radeon_driver_preclose_kms(struct drm_device *dev,
  67                                 struct drm_file *file_priv);
  68 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  69 int radeon_resume_kms(struct drm_device *dev);
  70 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  71 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  72 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  73 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
  74                                     int *max_error,
  75                                     struct timeval *vblank_time,
  76                                     unsigned flags);
  77 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  78 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  79 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  80 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  81 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  82                          struct drm_file *file_priv);
  83 int radeon_gem_object_init(struct drm_gem_object *obj);
  84 void radeon_gem_object_free(struct drm_gem_object *obj);
  85 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  86                                       int *vpos, int *hpos);
  87 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  88 extern int radeon_max_kms_ioctl;
  89 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  90 int radeon_mode_dumb_mmap(struct drm_file *filp,
  91                           struct drm_device *dev,
  92                           uint32_t handle, uint64_t *offset_p);
  93 int radeon_mode_dumb_create(struct drm_file *file_priv,
  94                             struct drm_device *dev,
  95                             struct drm_mode_create_dumb *args);
  96 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
  97                              struct drm_device *dev,
  98                              uint32_t handle);
  99
 100 #if defined(CONFIG_DEBUG_FS)
 101 int radeon_debugfs_init(struct drm_minor *minor);
 102 void radeon_debugfs_cleanup(struct drm_minor *minor);
 103 #endif
 104
 105
 106 int radeon_no_wb;
 107 int radeon_modeset = -1;
 108 int radeon_dynclks = -1;
 109 int radeon_r4xx_atom = 0;
 110 int radeon_agpmode = 0;
 111 int radeon_vram_limit = 0;
 112 int radeon_gart_size = 512; /* default gart size */
 113 int radeon_benchmarking = 0;
 114 int radeon_testing = 0;
 115 int radeon_connector_table = 0;
 116 int radeon_tv = 1;
 117 int radeon_audio = 0;
 118 int radeon_disp_priority = 0;
 119 int radeon_hw_i2c = 0;
 120 int radeon_pcie_gen2 = 0;
 121 int radeon_msi = -1;
 122
 123 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 124 module_param_named(no_wb, radeon_no_wb, int, 0444);
 125
 126 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 127 module_param_named(modeset, radeon_modeset, int, 0400);
 128
 129 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 130 module_param_named(dynclks, radeon_dynclks, int, 0444);
 131
 132 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 133 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 134
 135 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 136 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 137
 138 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 139 module_param_named(agpmode, radeon_agpmode, int, 0444);
 140
 141 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 142 module_param_named(gartsize, radeon_gart_size, int, 0600);
 143
 144 MODULE_PARM_DESC(benchmark, "Run benchmark");
 145 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 146
 147 MODULE_PARM_DESC(test, "Run tests");
 148 module_param_named(test, radeon_testing, int, 0444);
 149
 150 MODULE_PARM_DESC(connector_table, "Force connector table");
 151 module_param_named(connector_table, radeon_connector_table, int, 0444);
 152
 153 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 154 module_param_named(tv, radeon_tv, int, 0444);
 155
 156 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 157 module_param_named(audio, radeon_audio, int, 0444);
 158
 159 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 160 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 161
 162 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 163 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 164
 165 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)");
 166 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 167
 168 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 169 module_param_named(msi, radeon_msi, int, 0444);
 170
 171 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 172 {
 173         drm_radeon_private_t *dev_priv = dev->dev_private;
 174
 175         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 176                 return 0;
 177
 178         /* Disable *all* interrupts */
 179         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 180                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 181         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 182         return 0;
 183 }
 184
 185 static int radeon_resume(struct drm_device *dev)
 186 {
 187         drm_radeon_private_t *dev_priv = dev->dev_private;
 188
 189         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 190                 return 0;
 191
 192         /* Restore interrupt registers */
 193         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 194                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 195         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 196         return 0;
 197 }
 198
 199 static struct pci_device_id pciidlist[] = {
 200         radeon_PCI_IDS
 201 };
 202
 203 #if defined(CONFIG_DRM_RADEON_KMS)
 204 MODULE_DEVICE_TABLE(pci, pciidlist);
 205 #endif
 206
 207 static struct drm_driver driver_old = {
 208         .driver_features =
 209             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 210             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 211         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 212         .load = radeon_driver_load,
 213         .firstopen = radeon_driver_firstopen,
 214         .open = radeon_driver_open,
 215         .preclose = radeon_driver_preclose,
 216         .postclose = radeon_driver_postclose,
 217         .lastclose = radeon_driver_lastclose,
 218         .unload = radeon_driver_unload,
 219         .suspend = radeon_suspend,
 220         .resume = radeon_resume,
 221         .get_vblank_counter = radeon_get_vblank_counter,
 222         .enable_vblank = radeon_enable_vblank,
 223         .disable_vblank = radeon_disable_vblank,
 224         .master_create = radeon_master_create,
 225         .master_destroy = radeon_master_destroy,
 226         .irq_preinstall = radeon_driver_irq_preinstall,
 227         .irq_postinstall = radeon_driver_irq_postinstall,
 228         .irq_uninstall = radeon_driver_irq_uninstall,
 229         .irq_handler = radeon_driver_irq_handler,
 230         .reclaim_buffers = drm_core_reclaim_buffers,
 231         .ioctls = radeon_ioctls,
 232         .dma_ioctl = radeon_cp_buffers,
 233         .fops = {
 234                  .owner = THIS_MODULE,
 235                  .open = drm_open,
 236                  .release = drm_release,
 237                  .unlocked_ioctl = drm_ioctl,
 238                  .mmap = drm_mmap,
 239                  .poll = drm_poll,
 240                  .fasync = drm_fasync,
 241                  .read = drm_read,
 242 #ifdef CONFIG_COMPAT
 243                  .compat_ioctl = radeon_compat_ioctl,
 244 #endif
 245                  .llseek = noop_llseek,
 246         },
 247
 248         .name = DRIVER_NAME,
 249         .desc = DRIVER_DESC,
 250         .date = DRIVER_DATE,
 251         .major = DRIVER_MAJOR,
 252         .minor = DRIVER_MINOR,
 253         .patchlevel = DRIVER_PATCHLEVEL,
 254 };
 255
 256 static struct drm_driver kms_driver;
 257
 258 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 259 {
 260         struct apertures_struct *ap;
 261         bool primary = false;
 262
 263         ap = alloc_apertures(1);
 264         ap->ranges[0].base = pci_resource_start(pdev, 0);
 265         ap->ranges[0].size = pci_resource_len(pdev, 0);
 266
 267 #ifdef CONFIG_X86
 268         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 269 #endif
 270         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 271         kfree(ap);
 272 }
 273
 274 static int __devinit
 275 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 276 {
 277         /* Get rid of things like offb */
 278         radeon_kick_out_firmware_fb(pdev);
 279
 280         return drm_get_pci_dev(pdev, ent, &kms_driver);
 281 }
 282
 283 static void
 284 radeon_pci_remove(struct pci_dev *pdev)
 285 {
 286         struct drm_device *dev = pci_get_drvdata(pdev);
 287
 288         drm_put_dev(dev);
 289 }
 290
 291 static int
 292 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 293 {
 294         struct drm_device *dev = pci_get_drvdata(pdev);
 295         return radeon_suspend_kms(dev, state);
 296 }
 297
 298 static int
 299 radeon_pci_resume(struct pci_dev *pdev)
 300 {
 301         struct drm_device *dev = pci_get_drvdata(pdev);
 302         return radeon_resume_kms(dev);
 303 }
 304
 305 static struct drm_driver kms_driver = {
 306         .driver_features =
 307             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 308             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 309         .dev_priv_size = 0,
 310         .load = radeon_driver_load_kms,
 311         .firstopen = radeon_driver_firstopen_kms,
 312         .open = radeon_driver_open_kms,
 313         .preclose = radeon_driver_preclose_kms,
 314         .postclose = radeon_driver_postclose_kms,
 315         .lastclose = radeon_driver_lastclose_kms,
 316         .unload = radeon_driver_unload_kms,
 317         .suspend = radeon_suspend_kms,
 318         .resume = radeon_resume_kms,
 319         .get_vblank_counter = radeon_get_vblank_counter_kms,
 320         .enable_vblank = radeon_enable_vblank_kms,
 321         .disable_vblank = radeon_disable_vblank_kms,
 322         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 323         .get_scanout_position = radeon_get_crtc_scanoutpos,
 324 #if defined(CONFIG_DEBUG_FS)
 325         .debugfs_init = radeon_debugfs_init,
 326         .debugfs_cleanup = radeon_debugfs_cleanup,
 327 #endif
 328         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 329         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 330         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 331         .irq_handler = radeon_driver_irq_handler_kms,
 332         .reclaim_buffers = drm_core_reclaim_buffers,
 333         .ioctls = radeon_ioctls_kms,
 334         .gem_init_object = radeon_gem_object_init,
 335         .gem_free_object = radeon_gem_object_free,
 336         .dma_ioctl = radeon_dma_ioctl_kms,
 337         .dumb_create = radeon_mode_dumb_create,
 338         .dumb_map_offset = radeon_mode_dumb_mmap,
 339         .dumb_destroy = radeon_mode_dumb_destroy,
 340         .fops = {
 341                  .owner = THIS_MODULE,
 342                  .open = drm_open,
 343                  .release = drm_release,
 344                  .unlocked_ioctl = drm_ioctl,
 345                  .mmap = radeon_mmap,
 346                  .poll = drm_poll,
 347                  .fasync = drm_fasync,
 348                  .read = drm_read,
 349 #ifdef CONFIG_COMPAT
 350                  .compat_ioctl = radeon_kms_compat_ioctl,
 351 #endif
 352         },
 353
 354         .name = DRIVER_NAME,
 355         .desc = DRIVER_DESC,
 356         .date = DRIVER_DATE,
 357         .major = KMS_DRIVER_MAJOR,
 358         .minor = KMS_DRIVER_MINOR,
 359         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 360 };
 361
 362 static struct drm_driver *driver;
 363 static struct pci_driver *pdriver;
 364
 365 static struct pci_driver radeon_pci_driver = {
 366         .name = DRIVER_NAME,
 367         .id_table = pciidlist,
 368 };
 369
 370 static struct pci_driver radeon_kms_pci_driver = {
 371         .name = DRIVER_NAME,
 372         .id_table = pciidlist,
 373         .probe = radeon_pci_probe,
 374         .remove = radeon_pci_remove,
 375         .suspend = radeon_pci_suspend,
 376         .resume = radeon_pci_resume,
 377 };
 378
 379 static int __init radeon_init(void)
 380 {
 381         driver = &driver_old;
 382         pdriver = &radeon_pci_driver;
 383         driver->num_ioctls = radeon_max_ioctl;
 384 #ifdef CONFIG_VGA_CONSOLE
 385         if (vgacon_text_force() && radeon_modeset == -1) {
 386                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 387                 driver = &driver_old;
 388                 pdriver = &radeon_pci_driver;
 389                 driver->driver_features &= ~DRIVER_MODESET;
 390                 radeon_modeset = 0;
 391         }
 392 #endif
 393         /* if enabled by default */
 394         if (radeon_modeset == -1) {
 395 #ifdef CONFIG_DRM_RADEON_KMS
 396                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 397                 radeon_modeset = 1;
 398 #else
 399                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 400                 radeon_modeset = 0;
 401 #endif
 402         }
 403         if (radeon_modeset == 1) {
 404                 DRM_INFO("radeon kernel modesetting enabled.\n");
 405                 driver = &kms_driver;
 406                 pdriver = &radeon_kms_pci_driver;
 407                 driver->driver_features |= DRIVER_MODESET;
 408                 driver->num_ioctls = radeon_max_kms_ioctl;
 409                 radeon_register_atpx_handler();
 410         }
 411         /* if the vga console setting is enabled still
 412          * let modprobe override it */
 413         return drm_pci_init(driver, pdriver);
 414 }
 415
 416 static void __exit radeon_exit(void)
 417 {
 418         drm_pci_exit(driver, pdriver);
 419         radeon_unregister_atpx_handler();
 420 }
 421
 422 module_init(radeon_init);
 423 module_exit(radeon_exit);
 424
 425 MODULE_AUTHOR(DRIVER_AUTHOR);
 426 MODULE_DESCRIPTION(DRIVER_DESC);
 427 MODULE_LICENSE("GPL and additional rights");