sys/dev/drm2/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 <sys/cdefs.h>
  33 __FBSDID("$FreeBSD$");
  34
  35 #include <dev/drm2/drmP.h>
  36 #include <dev/drm2/radeon/radeon_drm.h>
  37 #include "radeon_drv.h"
  38 #include "radeon_gem.h"
  39 #include "radeon_kms.h"
  40 #include "radeon_irq_kms.h"
  41
  42 #include <dev/drm2/drm_pciids.h>
  43
  44
  45 /*
  46  * KMS wrapper.
  47  * - 2.0.0 - initial interface
  48  * - 2.1.0 - add square tiling interface
  49  * - 2.2.0 - add r6xx/r7xx const buffer support
  50  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  51  * - 2.4.0 - add crtc id query
  52  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  53  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  54  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  55  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  56  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  57  *   2.10.0 - fusion 2D tiling
  58  *   2.11.0 - backend map, initial compute support for the CS checker
  59  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  60  *   2.13.0 - virtual memory support, streamout
  61  *   2.14.0 - add evergreen tiling informations
  62  *   2.15.0 - add max_pipes query
  63  *   2.16.0 - fix evergreen 2D tiled surface calculation
  64  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  65  *   2.18.0 - r600-eg: allow "invalid" DB formats
  66  *   2.19.0 - r600-eg: MSAA textures
  67  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  68  *   2.21.0 - r600-r700: FMASK and CMASK
  69  *   2.22.0 - r600 only: RESOLVE_BOX allowed
  70  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  71  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
  72  *   2.25.0 - eg+: new info request for num SE and num SH
  73  *   2.26.0 - r600-eg: fix htile size computation
  74  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  75  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
  76  *   2.29.0 - R500 FP16 color clear registers
  77  */
  78 #define KMS_DRIVER_MAJOR        2
  79 #define KMS_DRIVER_MINOR        29
  80 #define KMS_DRIVER_PATCHLEVEL   0
  81 int radeon_suspend_kms(struct drm_device *dev);
  82 int radeon_resume_kms(struct drm_device *dev);
  83 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  84                                       int *vpos, int *hpos);
  85 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  86 extern int radeon_max_kms_ioctl;
  87 #ifdef DUMBBELL_WIP
  88 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  89 #endif /* DUMBBELL_WIP */
  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 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
 100                                         struct drm_gem_object *obj,
 101                                         int flags);
 102 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
 103                                                struct dma_buf *dma_buf);
 104
 105 #if defined(CONFIG_DEBUG_FS)
 106 int radeon_debugfs_init(struct drm_minor *minor);
 107 void radeon_debugfs_cleanup(struct drm_minor *minor);
 108 #endif
 109
 110
 111 int radeon_no_wb;
 112 int radeon_modeset = 1;
 113 int radeon_dynclks = -1;
 114 int radeon_r4xx_atom = 0;
 115 int radeon_agpmode = 0;
 116 int radeon_vram_limit = 0;
 117 int radeon_gart_size = 512; /* default gart size */
 118 int radeon_benchmarking = 0;
 119 int radeon_testing = 0;
 120 int radeon_connector_table = 0;
 121 int radeon_tv = 1;
 122 int radeon_audio = 0;
 123 int radeon_disp_priority = 0;
 124 int radeon_hw_i2c = 0;
 125 int radeon_pcie_gen2 = -1;
 126 int radeon_msi = -1;
 127 int radeon_lockup_timeout = 10000;
 128
 129 #ifdef DUMBBELL_WIP
 130 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 131 module_param_named(no_wb, radeon_no_wb, int, 0444);
 132
 133 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 134 module_param_named(modeset, radeon_modeset, int, 0400);
 135
 136 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 137 module_param_named(dynclks, radeon_dynclks, int, 0444);
 138
 139 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 140 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 141
 142 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 143 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 144
 145 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 146 module_param_named(agpmode, radeon_agpmode, int, 0444);
 147
 148 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
 149 module_param_named(gartsize, radeon_gart_size, int, 0600);
 150
 151 MODULE_PARM_DESC(benchmark, "Run benchmark");
 152 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 153
 154 MODULE_PARM_DESC(test, "Run tests");
 155 module_param_named(test, radeon_testing, int, 0444);
 156
 157 MODULE_PARM_DESC(connector_table, "Force connector table");
 158 module_param_named(connector_table, radeon_connector_table, int, 0444);
 159
 160 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 161 module_param_named(tv, radeon_tv, int, 0444);
 162
 163 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 164 module_param_named(audio, radeon_audio, int, 0444);
 165
 166 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 167 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 168
 169 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 170 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 171
 172 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 173 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 174
 175 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 176 module_param_named(msi, radeon_msi, int, 0444);
 177
 178 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 179 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 180
 181 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 182 {
 183         drm_radeon_private_t *dev_priv = dev->dev_private;
 184
 185         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 186                 return 0;
 187
 188         /* Disable *all* interrupts */
 189         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 190                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 191         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 192         return 0;
 193 }
 194
 195 static int radeon_resume(struct drm_device *dev)
 196 {
 197         drm_radeon_private_t *dev_priv = dev->dev_private;
 198
 199         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 200                 return 0;
 201
 202         /* Restore interrupt registers */
 203         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 204                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 205         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 206         return 0;
 207 }
 208 #endif /* DUMBBELL_WIP */
 209
 210 static drm_pci_id_list_t pciidlist[] = {
 211         radeon_PCI_IDS
 212 };
 213
 214 #ifdef DUMBBELL_WIP
 215 static const struct file_operations radeon_driver_old_fops = {
 216         .owner = THIS_MODULE,
 217         .open = drm_open,
 218         .release = drm_release,
 219         .unlocked_ioctl = drm_ioctl,
 220         .mmap = drm_mmap,
 221         .poll = drm_poll,
 222         .fasync = drm_fasync,
 223         .read = drm_read,
 224 #ifdef CONFIG_COMPAT
 225         .compat_ioctl = radeon_compat_ioctl,
 226 #endif
 227         .llseek = noop_llseek,
 228 };
 229
 230 static struct drm_driver driver_old = {
 231         .driver_features =
 232             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 233             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 234         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 235         .load = radeon_driver_load,
 236         .firstopen = radeon_driver_firstopen,
 237         .open = radeon_driver_open,
 238         .preclose = radeon_driver_preclose,
 239         .postclose = radeon_driver_postclose,
 240         .lastclose = radeon_driver_lastclose,
 241         .unload = radeon_driver_unload,
 242 #ifdef DUMBBELL_WIP
 243         .suspend = radeon_suspend,
 244         .resume = radeon_resume,
 245 #endif /* DUMBBELL_WIP */
 246         .get_vblank_counter = radeon_get_vblank_counter,
 247         .enable_vblank = radeon_enable_vblank,
 248         .disable_vblank = radeon_disable_vblank,
 249         .master_create = radeon_master_create,
 250         .master_destroy = radeon_master_destroy,
 251         .irq_preinstall = radeon_driver_irq_preinstall,
 252         .irq_postinstall = radeon_driver_irq_postinstall,
 253         .irq_uninstall = radeon_driver_irq_uninstall,
 254         .irq_handler = radeon_driver_irq_handler,
 255         .ioctls = radeon_ioctls,
 256         .dma_ioctl = radeon_cp_buffers,
 257         .fops = &radeon_driver_old_fops,
 258         .name = DRIVER_NAME,
 259         .desc = DRIVER_DESC,
 260         .date = DRIVER_DATE,
 261         .major = DRIVER_MAJOR,
 262         .minor = DRIVER_MINOR,
 263         .patchlevel = DRIVER_PATCHLEVEL,
 264 };
 265 #endif /* DUMBBELL_WIP */
 266
 267 static struct drm_driver_info kms_driver;
 268
 269 #ifdef DUMBBELL_WIP
 270 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 271 {
 272         struct apertures_struct *ap;
 273         bool primary = false;
 274
 275         ap = alloc_apertures(1);
 276         if (!ap)
 277                 return -ENOMEM;
 278
 279         ap->ranges[0].base = pci_resource_start(pdev, 0);
 280         ap->ranges[0].size = pci_resource_len(pdev, 0);
 281
 282 #ifdef CONFIG_X86
 283         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 284 #endif
 285         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 286         kfree(ap);
 287
 288         return 0;
 289 }
 290
 291 static int radeon_pci_probe(struct pci_dev *pdev,
 292                             const struct pci_device_id *ent)
 293 {
 294         int ret;
 295
 296         /* Get rid of things like offb */
 297         ret = radeon_kick_out_firmware_fb(pdev);
 298         if (ret)
 299                 return ret;
 300
 301         return drm_get_pci_dev(pdev, ent, &kms_driver);
 302 }
 303
 304 static void
 305 radeon_pci_remove(struct pci_dev *pdev)
 306 {
 307         struct drm_device *dev = pci_get_drvdata(pdev);
 308
 309         drm_put_dev(dev);
 310 }
 311
 312 static int
 313 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 314 {
 315         struct drm_device *dev = pci_get_drvdata(pdev);
 316         return radeon_suspend_kms(dev, state);
 317 }
 318
 319 static int
 320 radeon_pci_resume(struct pci_dev *pdev)
 321 {
 322         struct drm_device *dev = pci_get_drvdata(pdev);
 323         return radeon_resume_kms(dev);
 324 }
 325
 326 static const struct file_operations radeon_driver_kms_fops = {
 327         .owner = THIS_MODULE,
 328         .open = drm_open,
 329         .release = drm_release,
 330         .unlocked_ioctl = drm_ioctl,
 331         .mmap = radeon_mmap,
 332         .poll = drm_poll,
 333         .fasync = drm_fasync,
 334         .read = drm_read,
 335 #ifdef CONFIG_COMPAT
 336         .compat_ioctl = radeon_kms_compat_ioctl,
 337 #endif
 338 };
 339 #endif /* DUMBBELL_WIP */
 340
 341 static int radeon_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx,
 342                               struct sysctl_oid *top)
 343 {
 344         return drm_add_busid_modesetting(dev, ctx, top);
 345 }
 346
 347 static struct drm_driver_info kms_driver = {
 348         .driver_features =
 349             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 350             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
 351             DRIVER_PRIME /* | DRIVE_MODESET */,
 352 #ifdef DUMBBELL_WIP
 353         .dev_priv_size = 0,
 354 #endif /* DUMBBELL_WIP */
 355         .load = radeon_driver_load_kms,
 356         .use_msi = radeon_msi_ok,
 357         .firstopen = radeon_driver_firstopen_kms,
 358         .open = radeon_driver_open_kms,
 359         .preclose = radeon_driver_preclose_kms,
 360         .postclose = radeon_driver_postclose_kms,
 361         .lastclose = radeon_driver_lastclose_kms,
 362         .unload = radeon_driver_unload_kms,
 363 #ifdef DUMBBELL_WIP
 364         .suspend = radeon_suspend_kms,
 365         .resume = radeon_resume_kms,
 366 #endif /* DUMBBELL_WIP */
 367         .get_vblank_counter = radeon_get_vblank_counter_kms,
 368         .enable_vblank = radeon_enable_vblank_kms,
 369         .disable_vblank = radeon_disable_vblank_kms,
 370         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 371         .get_scanout_position = radeon_get_crtc_scanoutpos,
 372         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 373         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 374         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 375         .irq_handler = radeon_driver_irq_handler_kms,
 376         .sysctl_init = radeon_sysctl_init,
 377         .ioctls = radeon_ioctls_kms,
 378         .gem_init_object = radeon_gem_object_init,
 379         .gem_free_object = radeon_gem_object_free,
 380         .gem_open_object = radeon_gem_object_open,
 381         .gem_close_object = radeon_gem_object_close,
 382         .dma_ioctl = radeon_dma_ioctl_kms,
 383         .dumb_create = radeon_mode_dumb_create,
 384         .dumb_map_offset = radeon_mode_dumb_mmap,
 385         .dumb_destroy = radeon_mode_dumb_destroy,
 386 #ifdef DUMBBELL_WIP
 387         .fops = &radeon_driver_kms_fops,
 388 #endif /* DUMBBELL_WIP */
 389
 390 #ifdef DUMBBELL_WIP
 391         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 392         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 393         .gem_prime_export = radeon_gem_prime_export,
 394         .gem_prime_import = radeon_gem_prime_import,
 395 #endif /* DUMBBELL_WIP */
 396
 397         .name = DRIVER_NAME,
 398         .desc = DRIVER_DESC,
 399         .date = DRIVER_DATE,
 400         .major = KMS_DRIVER_MAJOR,
 401         .minor = KMS_DRIVER_MINOR,
 402         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 403 };
 404
 405 #ifdef DUMBBELL_WIP
 406 static int __init radeon_init(void)
 407 {
 408         driver = &driver_old;
 409         pdriver = &radeon_pci_driver;
 410         driver->num_ioctls = radeon_max_ioctl;
 411 #ifdef CONFIG_VGA_CONSOLE
 412         if (vgacon_text_force() && radeon_modeset == -1) {
 413                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 414                 driver = &driver_old;
 415                 pdriver = &radeon_pci_driver;
 416                 driver->driver_features &= ~DRIVER_MODESET;
 417                 radeon_modeset = 0;
 418         }
 419 #endif
 420         /* if enabled by default */
 421         if (radeon_modeset == -1) {
 422 #ifdef CONFIG_DRM_RADEON_KMS
 423                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 424                 radeon_modeset = 1;
 425 #else
 426                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 427                 radeon_modeset = 0;
 428 #endif
 429         }
 430         if (radeon_modeset == 1) {
 431                 DRM_INFO("radeon kernel modesetting enabled.\n");
 432                 driver = &kms_driver;
 433                 pdriver = &radeon_kms_pci_driver;
 434                 driver->driver_features |= DRIVER_MODESET;
 435                 driver->num_ioctls = radeon_max_kms_ioctl;
 436                 radeon_register_atpx_handler();
 437         }
 438         /* if the vga console setting is enabled still
 439          * let modprobe override it */
 440         return drm_pci_init(driver, pdriver);
 441 }
 442
 443 static void __exit radeon_exit(void)
 444 {
 445         drm_pci_exit(driver, pdriver);
 446         radeon_unregister_atpx_handler();
 447 }
 448 #endif /* DUMBBELL_WIP */
 449
 450 /* =================================================================== */
 451
 452 static int
 453 radeon_probe(device_t kdev)
 454 {
 455
 456         return drm_probe(kdev, pciidlist);
 457 }
 458
 459 static int
 460 radeon_attach(device_t kdev)
 461 {
 462         struct drm_device *dev;
 463
 464         dev = device_get_softc(kdev);
 465         if (radeon_modeset == 1) {
 466                 kms_driver.driver_features |= DRIVER_MODESET;
 467                 kms_driver.max_ioctl = radeon_max_kms_ioctl;
 468                 radeon_register_atpx_handler();
 469         }
 470         dev->driver = &kms_driver;
 471         return (drm_attach(kdev, pciidlist));
 472 }
 473
 474 static int
 475 radeon_suspend(device_t kdev)
 476 {
 477         struct drm_device *dev;
 478         int ret;
 479
 480         dev = device_get_softc(kdev);
 481         ret = radeon_suspend_kms(dev);
 482
 483         return (-ret);
 484 }
 485
 486 static int
 487 radeon_resume(device_t kdev)
 488 {
 489         struct drm_device *dev;
 490         int ret;
 491
 492         dev = device_get_softc(kdev);
 493         ret = radeon_resume_kms(dev);
 494
 495         return (-ret);
 496 }
 497
 498 static device_method_t radeon_methods[] = {
 499         /* Device interface */
 500         DEVMETHOD(device_probe,         radeon_probe),
 501         DEVMETHOD(device_attach,        radeon_attach),
 502         DEVMETHOD(device_suspend,       radeon_suspend),
 503         DEVMETHOD(device_resume,        radeon_resume),
 504         DEVMETHOD(device_detach,        drm_detach),
 505         DEVMETHOD_END
 506 };
 507
 508 static driver_t radeon_driver = {
 509         "drmn",
 510         radeon_methods,
 511         sizeof(struct drm_device)
 512 };
 513
 514 extern devclass_t drm_devclass;
 515 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
 516     NULL, NULL, SI_ORDER_ANY);
 517 MODULE_DEPEND(radeonkms, drmn, 1, 1, 1);
 518 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
 519 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
 520 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
 521 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);
 522 MODULE_DEPEND(radeonkms, firmware, 1, 1, 1);