sys/dev/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  * $FreeBSD: head/sys/dev/drm2/radeon/radeon_drv.c 254885 2013-08-25 19:37:15Z dumbbell $
  32  */
  33
  34 #include <drm/drmP.h>
  35 #include <uapi_drm/radeon_drm.h>
  36 #include "radeon_drv.h"
  37 #include "radeon_gem.h"
  38 #include "radeon_kms.h"
  39 #include "radeon_irq_kms.h"
  40
  41 #include <drm/drm_pciids.h>
  42
  43 /*
  44  * KMS wrapper.
  45  * - 2.0.0 - initial interface
  46  * - 2.1.0 - add square tiling interface
  47  * - 2.2.0 - add r6xx/r7xx const buffer support
  48  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  49  * - 2.4.0 - add crtc id query
  50  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  51  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  52  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  53  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  54  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  55  *   2.10.0 - fusion 2D tiling
  56  *   2.11.0 - backend map, initial compute support for the CS checker
  57  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  58  *   2.13.0 - virtual memory support, streamout
  59  *   2.14.0 - add evergreen tiling informations
  60  *   2.15.0 - add max_pipes query
  61  *   2.16.0 - fix evergreen 2D tiled surface calculation
  62  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  63  *   2.18.0 - r600-eg: allow "invalid" DB formats
  64  *   2.19.0 - r600-eg: MSAA textures
  65  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  66  *   2.21.0 - r600-r700: FMASK and CMASK
  67  *   2.22.0 - r600 only: RESOLVE_BOX allowed
  68  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  69  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
  70  *   2.25.0 - eg+: new info request for num SE and num SH
  71  *   2.26.0 - r600-eg: fix htile size computation
  72  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  73  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
  74  *   2.29.0 - R500 FP16 color clear registers
  75  */
  76 #define KMS_DRIVER_MAJOR        2
  77 #define KMS_DRIVER_MINOR        29
  78 #define KMS_DRIVER_PATCHLEVEL   0
  79 int radeon_suspend_kms(struct drm_device *dev);
  80 int radeon_resume_kms(struct drm_device *dev);
  81 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  82                                       int *vpos, int *hpos);
  83 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  84 extern int radeon_max_kms_ioctl;
  85 #ifdef DUMBBELL_WIP
  86 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  87 #endif /* DUMBBELL_WIP */
  88 int radeon_mode_dumb_mmap(struct drm_file *filp,
  89                           struct drm_device *dev,
  90                           uint32_t handle, uint64_t *offset_p);
  91 int radeon_mode_dumb_create(struct drm_file *file_priv,
  92                             struct drm_device *dev,
  93                             struct drm_mode_create_dumb *args);
  94 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
  95                              struct drm_device *dev,
  96                              uint32_t handle);
  97 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
  98                                         struct drm_gem_object *obj,
  99                                         int flags);
 100 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
 101                                                struct dma_buf *dma_buf);
 102
 103 #if defined(CONFIG_DEBUG_FS)
 104 int radeon_debugfs_init(struct drm_minor *minor);
 105 void radeon_debugfs_cleanup(struct drm_minor *minor);
 106 #endif
 107
 108 int radeon_no_wb;
 109 int radeon_modeset = 1;
 110 int radeon_dynclks = -1;
 111 int radeon_r4xx_atom = 0;
 112 int radeon_agpmode = 0;
 113 int radeon_vram_limit = 0;
 114 int radeon_gart_size = 512; /* default gart size */
 115 int radeon_benchmarking = 0;
 116 int radeon_testing = 0;
 117 int radeon_connector_table = 0;
 118 int radeon_tv = 1;
 119 int radeon_audio = 0;
 120 int radeon_disp_priority = 0;
 121 int radeon_hw_i2c = 0;
 122 int radeon_pcie_gen2 = -1;
 123 int radeon_msi = -1;
 124 int radeon_lockup_timeout = 10000;
 125
 126 #ifdef DUMBBELL_WIP
 127 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 128 module_param_named(no_wb, radeon_no_wb, int, 0444);
 129
 130 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 131 module_param_named(modeset, radeon_modeset, int, 0400);
 132
 133 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 134 module_param_named(dynclks, radeon_dynclks, int, 0444);
 135
 136 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 137 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 138
 139 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 140 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 141
 142 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 143 module_param_named(agpmode, radeon_agpmode, int, 0444);
 144
 145 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
 146 module_param_named(gartsize, radeon_gart_size, int, 0600);
 147
 148 MODULE_PARM_DESC(benchmark, "Run benchmark");
 149 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 150
 151 MODULE_PARM_DESC(test, "Run tests");
 152 module_param_named(test, radeon_testing, int, 0444);
 153
 154 MODULE_PARM_DESC(connector_table, "Force connector table");
 155 module_param_named(connector_table, radeon_connector_table, int, 0444);
 156
 157 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 158 module_param_named(tv, radeon_tv, int, 0444);
 159
 160 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 161 module_param_named(audio, radeon_audio, int, 0444);
 162
 163 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 164 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 165
 166 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 167 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 168
 169 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 170 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 171
 172 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 173 module_param_named(msi, radeon_msi, int, 0444);
 174
 175 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 176 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 177
 178 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 179 {
 180         drm_radeon_private_t *dev_priv = dev->dev_private;
 181
 182         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 183                 return 0;
 184
 185         /* Disable *all* interrupts */
 186         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 187                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 188         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 189         return 0;
 190 }
 191
 192 static int radeon_resume(struct drm_device *dev)
 193 {
 194         drm_radeon_private_t *dev_priv = dev->dev_private;
 195
 196         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 197                 return 0;
 198
 199         /* Restore interrupt registers */
 200         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 201                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 202         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 203         return 0;
 204 }
 205 #endif /* DUMBBELL_WIP */
 206
 207 static drm_pci_id_list_t pciidlist[] = {
 208         radeon_PCI_IDS
 209 };
 210
 211 #ifdef DUMBBELL_WIP
 212 static const struct file_operations radeon_driver_old_fops = {
 213         .owner = THIS_MODULE,
 214         .open = drm_open,
 215         .release = drm_release,
 216         .unlocked_ioctl = drm_ioctl,
 217         .mmap = drm_mmap,
 218         .poll = drm_poll,
 219         .fasync = drm_fasync,
 220         .read = drm_read,
 221 #ifdef CONFIG_COMPAT
 222         .compat_ioctl = radeon_compat_ioctl,
 223 #endif
 224         .llseek = noop_llseek,
 225 };
 226
 227 static struct drm_driver driver_old = {
 228         .driver_features =
 229             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 230             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 231         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 232         .load = radeon_driver_load,
 233         .firstopen = radeon_driver_firstopen,
 234         .open = radeon_driver_open,
 235         .preclose = radeon_driver_preclose,
 236         .postclose = radeon_driver_postclose,
 237         .lastclose = radeon_driver_lastclose,
 238         .unload = radeon_driver_unload,
 239 #ifdef DUMBBELL_WIP
 240         .suspend = radeon_suspend,
 241         .resume = radeon_resume,
 242 #endif /* DUMBBELL_WIP */
 243         .get_vblank_counter = radeon_get_vblank_counter,
 244         .enable_vblank = radeon_enable_vblank,
 245         .disable_vblank = radeon_disable_vblank,
 246         .master_create = radeon_master_create,
 247         .master_destroy = radeon_master_destroy,
 248         .irq_preinstall = radeon_driver_irq_preinstall,
 249         .irq_postinstall = radeon_driver_irq_postinstall,
 250         .irq_uninstall = radeon_driver_irq_uninstall,
 251         .irq_handler = radeon_driver_irq_handler,
 252         .ioctls = radeon_ioctls,
 253         .dma_ioctl = radeon_cp_buffers,
 254         .fops = &radeon_driver_old_fops,
 255         .name = DRIVER_NAME,
 256         .desc = DRIVER_DESC,
 257         .date = DRIVER_DATE,
 258         .major = DRIVER_MAJOR,
 259         .minor = DRIVER_MINOR,
 260         .patchlevel = DRIVER_PATCHLEVEL,
 261 };
 262 #endif /* DUMBBELL_WIP */
 263
 264 static struct drm_driver kms_driver;
 265
 266 #ifdef DUMBBELL_WIP
 267 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 268 {
 269         struct apertures_struct *ap;
 270         bool primary = false;
 271
 272         ap = alloc_apertures(1);
 273         if (!ap)
 274                 return -ENOMEM;
 275
 276         ap->ranges[0].base = pci_resource_start(pdev, 0);
 277         ap->ranges[0].size = pci_resource_len(pdev, 0);
 278
 279 #ifdef CONFIG_X86
 280         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 281 #endif
 282         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 283         kfree(ap);
 284
 285         return 0;
 286 }
 287
 288 static int radeon_pci_probe(struct pci_dev *pdev,
 289                             const struct pci_device_id *ent)
 290 {
 291         int ret;
 292
 293         /* Get rid of things like offb */
 294         ret = radeon_kick_out_firmware_fb(pdev);
 295         if (ret)
 296                 return ret;
 297
 298         return drm_get_pci_dev(pdev, ent, &kms_driver);
 299 }
 300
 301 static void
 302 radeon_pci_remove(struct pci_dev *pdev)
 303 {
 304         struct drm_device *dev = pci_get_drvdata(pdev);
 305
 306         drm_put_dev(dev);
 307 }
 308
 309 static int
 310 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 311 {
 312         struct drm_device *dev = pci_get_drvdata(pdev);
 313         return radeon_suspend_kms(dev, state);
 314 }
 315
 316 static int
 317 radeon_pci_resume(struct pci_dev *pdev)
 318 {
 319         struct drm_device *dev = pci_get_drvdata(pdev);
 320         return radeon_resume_kms(dev);
 321 }
 322
 323 static const struct file_operations radeon_driver_kms_fops = {
 324         .owner = THIS_MODULE,
 325         .open = drm_open,
 326         .release = drm_release,
 327         .unlocked_ioctl = drm_ioctl,
 328         .mmap = radeon_mmap,
 329         .poll = drm_poll,
 330         .fasync = drm_fasync,
 331         .read = drm_read,
 332 #ifdef CONFIG_COMPAT
 333         .compat_ioctl = radeon_kms_compat_ioctl,
 334 #endif
 335 };
 336 #endif /* DUMBBELL_WIP */
 337
 338 static struct drm_driver kms_driver = {
 339         .driver_features =
 340             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 341             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
 342             DRIVER_PRIME /* | DRIVE_MODESET */,
 343 #ifdef DUMBBELL_WIP
 344         .dev_priv_size = 0,
 345 #endif /* DUMBBELL_WIP */
 346         .load = radeon_driver_load_kms,
 347         .use_msi = radeon_msi_ok,
 348         .firstopen = radeon_driver_firstopen_kms,
 349         .open = radeon_driver_open_kms,
 350         .preclose = radeon_driver_preclose_kms,
 351         .postclose = radeon_driver_postclose_kms,
 352         .lastclose = radeon_driver_lastclose_kms,
 353         .unload = radeon_driver_unload_kms,
 354 #ifdef DUMBBELL_WIP
 355         .suspend = radeon_suspend_kms,
 356         .resume = radeon_resume_kms,
 357 #endif /* DUMBBELL_WIP */
 358         .get_vblank_counter = radeon_get_vblank_counter_kms,
 359         .enable_vblank = radeon_enable_vblank_kms,
 360         .disable_vblank = radeon_disable_vblank_kms,
 361         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 362         .get_scanout_position = radeon_get_crtc_scanoutpos,
 363         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 364         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 365         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 366         .irq_handler = radeon_driver_irq_handler_kms,
 367         .ioctls = radeon_ioctls_kms,
 368         .gem_init_object = radeon_gem_object_init,
 369         .gem_free_object = radeon_gem_object_free,
 370         .gem_open_object = radeon_gem_object_open,
 371         .gem_close_object = radeon_gem_object_close,
 372         .dma_ioctl = radeon_dma_ioctl_kms,
 373         .dumb_create = radeon_mode_dumb_create,
 374         .dumb_map_offset = radeon_mode_dumb_mmap,
 375         .dumb_destroy = radeon_mode_dumb_destroy,
 376 #ifdef DUMBBELL_WIP
 377         .fops = &radeon_driver_kms_fops,
 378 #endif /* DUMBBELL_WIP */
 379
 380 #ifdef DUMBBELL_WIP
 381         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 382         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 383         .gem_prime_export = radeon_gem_prime_export,
 384         .gem_prime_import = radeon_gem_prime_import,
 385 #endif /* DUMBBELL_WIP */
 386
 387         .name = DRIVER_NAME,
 388         .desc = DRIVER_DESC,
 389         .date = DRIVER_DATE,
 390         .major = KMS_DRIVER_MAJOR,
 391         .minor = KMS_DRIVER_MINOR,
 392         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 393 };
 394
 395 #ifdef DUMBBELL_WIP
 396 static int __init radeon_init(void)
 397 {
 398         driver = &driver_old;
 399         pdriver = &radeon_pci_driver;
 400         driver->num_ioctls = radeon_max_ioctl;
 401 #ifdef CONFIG_VGA_CONSOLE
 402         if (vgacon_text_force() && radeon_modeset == -1) {
 403                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 404                 driver = &driver_old;
 405                 pdriver = &radeon_pci_driver;
 406                 driver->driver_features &= ~DRIVER_MODESET;
 407                 radeon_modeset = 0;
 408         }
 409 #endif
 410         /* if enabled by default */
 411         if (radeon_modeset == -1) {
 412 #ifdef CONFIG_DRM_RADEON_KMS
 413                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 414                 radeon_modeset = 1;
 415 #else
 416                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 417                 radeon_modeset = 0;
 418 #endif
 419         }
 420         if (radeon_modeset == 1) {
 421                 DRM_INFO("radeon kernel modesetting enabled.\n");
 422                 driver = &kms_driver;
 423                 pdriver = &radeon_kms_pci_driver;
 424                 driver->driver_features |= DRIVER_MODESET;
 425                 driver->num_ioctls = radeon_max_kms_ioctl;
 426                 radeon_register_atpx_handler();
 427         }
 428         /* if the vga console setting is enabled still
 429          * let modprobe override it */
 430         return drm_pci_init(driver, pdriver);
 431 }
 432
 433 static void __exit radeon_exit(void)
 434 {
 435         drm_pci_exit(driver, pdriver);
 436         radeon_unregister_atpx_handler();
 437 }
 438 #endif /* DUMBBELL_WIP */
 439
 440 /* =================================================================== */
 441
 442 static int
 443 radeon_probe(device_t kdev)
 444 {
 445
 446         return drm_probe(kdev, pciidlist);
 447 }
 448
 449 static int
 450 radeon_attach(device_t kdev)
 451 {
 452         struct drm_device *dev;
 453
 454         dev = device_get_softc(kdev);
 455         if (radeon_modeset == 1) {
 456                 kms_driver.driver_features |= DRIVER_MODESET;
 457                 kms_driver.num_ioctls = radeon_max_kms_ioctl;
 458                 radeon_register_atpx_handler();
 459         }
 460         dev->driver = &kms_driver;
 461         return (drm_attach(kdev, pciidlist));
 462 }
 463
 464 static int
 465 radeon_suspend(device_t kdev)
 466 {
 467         struct drm_device *dev;
 468         int ret;
 469
 470         dev = device_get_softc(kdev);
 471         ret = radeon_suspend_kms(dev);
 472
 473         return (-ret);
 474 }
 475
 476 static int
 477 radeon_resume(device_t kdev)
 478 {
 479         struct drm_device *dev;
 480         int ret;
 481
 482         dev = device_get_softc(kdev);
 483         ret = radeon_resume_kms(dev);
 484
 485         return (-ret);
 486 }
 487
 488 static device_method_t radeon_methods[] = {
 489         /* Device interface */
 490         DEVMETHOD(device_probe,         radeon_probe),
 491         DEVMETHOD(device_attach,        radeon_attach),
 492         DEVMETHOD(device_suspend,       radeon_suspend),
 493         DEVMETHOD(device_resume,        radeon_resume),
 494         DEVMETHOD(device_detach,        drm_detach),
 495         DEVMETHOD_END
 496 };
 497
 498 static driver_t radeon_driver = {
 499         "drm",
 500         radeon_methods,
 501         sizeof(struct drm_device)
 502 };
 503
 504 extern devclass_t drm_devclass;
 505 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
 506     NULL, NULL, SI_ORDER_ANY);
 507 MODULE_DEPEND(radeonkms, drm, 1, 1, 1);
 508 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
 509 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
 510 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
 511 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);