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 #include <linux/module.h>
  40
  41
  42 /*
  43  * KMS wrapper.
  44  * - 2.0.0 - initial interface
  45  * - 2.1.0 - add square tiling interface
  46  * - 2.2.0 - add r6xx/r7xx const buffer support
  47  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  48  * - 2.4.0 - add crtc id query
  49  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  50  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  51  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  52  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  53  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  54  *   2.10.0 - fusion 2D tiling
  55  *   2.11.0 - backend map, initial compute support for the CS checker
  56  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  57  *   2.13.0 - virtual memory support, streamout
  58  *   2.14.0 - add evergreen tiling informations
  59  *   2.15.0 - add max_pipes query
  60  *   2.16.0 - fix evergreen 2D tiled surface calculation
  61  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  62  *   2.18.0 - r600-eg: allow "invalid" DB formats
  63  *   2.19.0 - r600-eg: MSAA textures
  64  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  65  *   2.21.0 - r600-r700: FMASK and CMASK
  66  *   2.22.0 - r600 only: RESOLVE_BOX allowed
  67  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  68  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
  69  */
  70 #define KMS_DRIVER_MAJOR        2
  71 #define KMS_DRIVER_MINOR        24
  72 #define KMS_DRIVER_PATCHLEVEL   0
  73 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  74 int radeon_driver_unload_kms(struct drm_device *dev);
  75 int radeon_driver_firstopen_kms(struct drm_device *dev);
  76 void radeon_driver_lastclose_kms(struct drm_device *dev);
  77 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  78 void radeon_driver_postclose_kms(struct drm_device *dev,
  79                                  struct drm_file *file_priv);
  80 void radeon_driver_preclose_kms(struct drm_device *dev,
  81                                 struct drm_file *file_priv);
  82 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  83 int radeon_resume_kms(struct drm_device *dev);
  84 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  85 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  86 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  87 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
  88                                     int *max_error,
  89                                     struct timeval *vblank_time,
  90                                     unsigned flags);
  91 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  92 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  93 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  94 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  95 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  96                          struct drm_file *file_priv);
  97 int radeon_gem_object_init(struct drm_gem_object *obj);
  98 void radeon_gem_object_free(struct drm_gem_object *obj);
  99 int radeon_gem_object_open(struct drm_gem_object *obj,
 100                                 struct drm_file *file_priv);
 101 void radeon_gem_object_close(struct drm_gem_object *obj,
 102                                 struct drm_file *file_priv);
 103 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
 104                                       int *vpos, int *hpos);
 105 extern struct drm_ioctl_desc radeon_ioctls_kms[];
 106 extern int radeon_max_kms_ioctl;
 107 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
 108 int radeon_mode_dumb_mmap(struct drm_file *filp,
 109                           struct drm_device *dev,
 110                           uint32_t handle, uint64_t *offset_p);
 111 int radeon_mode_dumb_create(struct drm_file *file_priv,
 112                             struct drm_device *dev,
 113                             struct drm_mode_create_dumb *args);
 114 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
 115                              struct drm_device *dev,
 116                              uint32_t handle);
 117 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
 118                                         struct drm_gem_object *obj,
 119                                         int flags);
 120 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
 121                                                struct dma_buf *dma_buf);
 122
 123 #if defined(CONFIG_DEBUG_FS)
 124 int radeon_debugfs_init(struct drm_minor *minor);
 125 void radeon_debugfs_cleanup(struct drm_minor *minor);
 126 #endif
 127
 128
 129 int radeon_no_wb;
 130 int radeon_modeset = -1;
 131 int radeon_dynclks = -1;
 132 int radeon_r4xx_atom = 0;
 133 int radeon_agpmode = 0;
 134 int radeon_vram_limit = 0;
 135 int radeon_gart_size = 512; /* default gart size */
 136 int radeon_benchmarking = 0;
 137 int radeon_testing = 0;
 138 int radeon_connector_table = 0;
 139 int radeon_tv = 1;
 140 int radeon_audio = 0;
 141 int radeon_disp_priority = 0;
 142 int radeon_hw_i2c = 0;
 143 int radeon_pcie_gen2 = -1;
 144 int radeon_msi = -1;
 145 int radeon_lockup_timeout = 10000;
 146
 147 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 148 module_param_named(no_wb, radeon_no_wb, int, 0444);
 149
 150 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 151 module_param_named(modeset, radeon_modeset, int, 0400);
 152
 153 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 154 module_param_named(dynclks, radeon_dynclks, int, 0444);
 155
 156 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 157 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 158
 159 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 160 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 161
 162 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 163 module_param_named(agpmode, radeon_agpmode, int, 0444);
 164
 165 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
 166 module_param_named(gartsize, radeon_gart_size, int, 0600);
 167
 168 MODULE_PARM_DESC(benchmark, "Run benchmark");
 169 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 170
 171 MODULE_PARM_DESC(test, "Run tests");
 172 module_param_named(test, radeon_testing, int, 0444);
 173
 174 MODULE_PARM_DESC(connector_table, "Force connector table");
 175 module_param_named(connector_table, radeon_connector_table, int, 0444);
 176
 177 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 178 module_param_named(tv, radeon_tv, int, 0444);
 179
 180 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 181 module_param_named(audio, radeon_audio, int, 0444);
 182
 183 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 184 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 185
 186 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 187 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 188
 189 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 190 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 191
 192 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 193 module_param_named(msi, radeon_msi, int, 0444);
 194
 195 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 196 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 197
 198 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 199 {
 200         drm_radeon_private_t *dev_priv = dev->dev_private;
 201
 202         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 203                 return 0;
 204
 205         /* Disable *all* interrupts */
 206         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 207                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 208         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 209         return 0;
 210 }
 211
 212 static int radeon_resume(struct drm_device *dev)
 213 {
 214         drm_radeon_private_t *dev_priv = dev->dev_private;
 215
 216         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 217                 return 0;
 218
 219         /* Restore interrupt registers */
 220         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 221                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 222         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 223         return 0;
 224 }
 225
 226 static struct pci_device_id pciidlist[] = {
 227         radeon_PCI_IDS
 228 };
 229
 230 #if defined(CONFIG_DRM_RADEON_KMS)
 231 MODULE_DEVICE_TABLE(pci, pciidlist);
 232 #endif
 233
 234 static const struct file_operations radeon_driver_old_fops = {
 235         .owner = THIS_MODULE,
 236         .open = drm_open,
 237         .release = drm_release,
 238         .unlocked_ioctl = drm_ioctl,
 239         .mmap = drm_mmap,
 240         .poll = drm_poll,
 241         .fasync = drm_fasync,
 242         .read = drm_read,
 243 #ifdef CONFIG_COMPAT
 244         .compat_ioctl = radeon_compat_ioctl,
 245 #endif
 246         .llseek = noop_llseek,
 247 };
 248
 249 static struct drm_driver driver_old = {
 250         .driver_features =
 251             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 252             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 253         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 254         .load = radeon_driver_load,
 255         .firstopen = radeon_driver_firstopen,
 256         .open = radeon_driver_open,
 257         .preclose = radeon_driver_preclose,
 258         .postclose = radeon_driver_postclose,
 259         .lastclose = radeon_driver_lastclose,
 260         .unload = radeon_driver_unload,
 261         .suspend = radeon_suspend,
 262         .resume = radeon_resume,
 263         .get_vblank_counter = radeon_get_vblank_counter,
 264         .enable_vblank = radeon_enable_vblank,
 265         .disable_vblank = radeon_disable_vblank,
 266         .master_create = radeon_master_create,
 267         .master_destroy = radeon_master_destroy,
 268         .irq_preinstall = radeon_driver_irq_preinstall,
 269         .irq_postinstall = radeon_driver_irq_postinstall,
 270         .irq_uninstall = radeon_driver_irq_uninstall,
 271         .irq_handler = radeon_driver_irq_handler,
 272         .ioctls = radeon_ioctls,
 273         .dma_ioctl = radeon_cp_buffers,
 274         .fops = &radeon_driver_old_fops,
 275         .name = DRIVER_NAME,
 276         .desc = DRIVER_DESC,
 277         .date = DRIVER_DATE,
 278         .major = DRIVER_MAJOR,
 279         .minor = DRIVER_MINOR,
 280         .patchlevel = DRIVER_PATCHLEVEL,
 281 };
 282
 283 static struct drm_driver kms_driver;
 284
 285 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 286 {
 287         struct apertures_struct *ap;
 288         bool primary = false;
 289
 290         ap = alloc_apertures(1);
 291         ap->ranges[0].base = pci_resource_start(pdev, 0);
 292         ap->ranges[0].size = pci_resource_len(pdev, 0);
 293
 294 #ifdef CONFIG_X86
 295         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 296 #endif
 297         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 298         kfree(ap);
 299 }
 300
 301 static int __devinit
 302 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 303 {
 304         /* Get rid of things like offb */
 305         radeon_kick_out_firmware_fb(pdev);
 306
 307         return drm_get_pci_dev(pdev, ent, &kms_driver);
 308 }
 309
 310 static void
 311 radeon_pci_remove(struct pci_dev *pdev)
 312 {
 313         struct drm_device *dev = pci_get_drvdata(pdev);
 314
 315         drm_put_dev(dev);
 316 }
 317
 318 static int
 319 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 320 {
 321         struct drm_device *dev = pci_get_drvdata(pdev);
 322         return radeon_suspend_kms(dev, state);
 323 }
 324
 325 static int
 326 radeon_pci_resume(struct pci_dev *pdev)
 327 {
 328         struct drm_device *dev = pci_get_drvdata(pdev);
 329         return radeon_resume_kms(dev);
 330 }
 331
 332 static const struct file_operations radeon_driver_kms_fops = {
 333         .owner = THIS_MODULE,
 334         .open = drm_open,
 335         .release = drm_release,
 336         .unlocked_ioctl = drm_ioctl,
 337         .mmap = radeon_mmap,
 338         .poll = drm_poll,
 339         .fasync = drm_fasync,
 340         .read = drm_read,
 341 #ifdef CONFIG_COMPAT
 342         .compat_ioctl = radeon_kms_compat_ioctl,
 343 #endif
 344 };
 345
 346 static struct drm_driver kms_driver = {
 347         .driver_features =
 348             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 349             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
 350             DRIVER_PRIME,
 351         .dev_priv_size = 0,
 352         .load = radeon_driver_load_kms,
 353         .firstopen = radeon_driver_firstopen_kms,
 354         .open = radeon_driver_open_kms,
 355         .preclose = radeon_driver_preclose_kms,
 356         .postclose = radeon_driver_postclose_kms,
 357         .lastclose = radeon_driver_lastclose_kms,
 358         .unload = radeon_driver_unload_kms,
 359         .suspend = radeon_suspend_kms,
 360         .resume = radeon_resume_kms,
 361         .get_vblank_counter = radeon_get_vblank_counter_kms,
 362         .enable_vblank = radeon_enable_vblank_kms,
 363         .disable_vblank = radeon_disable_vblank_kms,
 364         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 365         .get_scanout_position = radeon_get_crtc_scanoutpos,
 366 #if defined(CONFIG_DEBUG_FS)
 367         .debugfs_init = radeon_debugfs_init,
 368         .debugfs_cleanup = radeon_debugfs_cleanup,
 369 #endif
 370         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 371         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 372         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 373         .irq_handler = radeon_driver_irq_handler_kms,
 374         .ioctls = radeon_ioctls_kms,
 375         .gem_init_object = radeon_gem_object_init,
 376         .gem_free_object = radeon_gem_object_free,
 377         .gem_open_object = radeon_gem_object_open,
 378         .gem_close_object = radeon_gem_object_close,
 379         .dma_ioctl = radeon_dma_ioctl_kms,
 380         .dumb_create = radeon_mode_dumb_create,
 381         .dumb_map_offset = radeon_mode_dumb_mmap,
 382         .dumb_destroy = radeon_mode_dumb_destroy,
 383         .fops = &radeon_driver_kms_fops,
 384
 385         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 386         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 387         .gem_prime_export = radeon_gem_prime_export,
 388         .gem_prime_import = radeon_gem_prime_import,
 389
 390         .name = DRIVER_NAME,
 391         .desc = DRIVER_DESC,
 392         .date = DRIVER_DATE,
 393         .major = KMS_DRIVER_MAJOR,
 394         .minor = KMS_DRIVER_MINOR,
 395         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 396 };
 397
 398 static struct drm_driver *driver;
 399 static struct pci_driver *pdriver;
 400
 401 static struct pci_driver radeon_pci_driver = {
 402         .name = DRIVER_NAME,
 403         .id_table = pciidlist,
 404 };
 405
 406 static struct pci_driver radeon_kms_pci_driver = {
 407         .name = DRIVER_NAME,
 408         .id_table = pciidlist,
 409         .probe = radeon_pci_probe,
 410         .remove = radeon_pci_remove,
 411         .suspend = radeon_pci_suspend,
 412         .resume = radeon_pci_resume,
 413 };
 414
 415 static int __init radeon_init(void)
 416 {
 417         driver = &driver_old;
 418         pdriver = &radeon_pci_driver;
 419         driver->num_ioctls = radeon_max_ioctl;
 420 #ifdef CONFIG_VGA_CONSOLE
 421         if (vgacon_text_force() && radeon_modeset == -1) {
 422                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 423                 driver = &driver_old;
 424                 pdriver = &radeon_pci_driver;
 425                 driver->driver_features &= ~DRIVER_MODESET;
 426                 radeon_modeset = 0;
 427         }
 428 #endif
 429         /* if enabled by default */
 430         if (radeon_modeset == -1) {
 431 #ifdef CONFIG_DRM_RADEON_KMS
 432                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 433                 radeon_modeset = 1;
 434 #else
 435                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 436                 radeon_modeset = 0;
 437 #endif
 438         }
 439         if (radeon_modeset == 1) {
 440                 DRM_INFO("radeon kernel modesetting enabled.\n");
 441                 driver = &kms_driver;
 442                 pdriver = &radeon_kms_pci_driver;
 443                 driver->driver_features |= DRIVER_MODESET;
 444                 driver->num_ioctls = radeon_max_kms_ioctl;
 445                 radeon_register_atpx_handler();
 446         }
 447         /* if the vga console setting is enabled still
 448          * let modprobe override it */
 449         return drm_pci_init(driver, pdriver);
 450 }
 451
 452 static void __exit radeon_exit(void)
 453 {
 454         drm_pci_exit(driver, pdriver);
 455         radeon_unregister_atpx_handler();
 456 }
 457
 458 module_init(radeon_init);
 459 module_exit(radeon_exit);
 460
 461 MODULE_AUTHOR(DRIVER_AUTHOR);
 462 MODULE_DESCRIPTION(DRIVER_DESC);
 463 MODULE_LICENSE("GPL and additional rights");