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  */
  66 #define KMS_DRIVER_MAJOR        2
  67 #define KMS_DRIVER_MINOR        20
  68 #define KMS_DRIVER_PATCHLEVEL   0
  69 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  70 int radeon_driver_unload_kms(struct drm_device *dev);
  71 int radeon_driver_firstopen_kms(struct drm_device *dev);
  72 void radeon_driver_lastclose_kms(struct drm_device *dev);
  73 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  74 void radeon_driver_postclose_kms(struct drm_device *dev,
  75                                  struct drm_file *file_priv);
  76 void radeon_driver_preclose_kms(struct drm_device *dev,
  77                                 struct drm_file *file_priv);
  78 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  79 int radeon_resume_kms(struct drm_device *dev);
  80 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  81 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  82 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  83 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
  84                                     int *max_error,
  85                                     struct timeval *vblank_time,
  86                                     unsigned flags);
  87 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  88 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  89 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  90 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  91 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  92                          struct drm_file *file_priv);
  93 int radeon_gem_object_init(struct drm_gem_object *obj);
  94 void radeon_gem_object_free(struct drm_gem_object *obj);
  95 int radeon_gem_object_open(struct drm_gem_object *obj,
  96                                 struct drm_file *file_priv);
  97 void radeon_gem_object_close(struct drm_gem_object *obj,
  98                                 struct drm_file *file_priv);
  99 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
 100                                       int *vpos, int *hpos);
 101 extern struct drm_ioctl_desc radeon_ioctls_kms[];
 102 extern int radeon_max_kms_ioctl;
 103 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
 104 int radeon_mode_dumb_mmap(struct drm_file *filp,
 105                           struct drm_device *dev,
 106                           uint32_t handle, uint64_t *offset_p);
 107 int radeon_mode_dumb_create(struct drm_file *file_priv,
 108                             struct drm_device *dev,
 109                             struct drm_mode_create_dumb *args);
 110 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
 111                              struct drm_device *dev,
 112                              uint32_t handle);
 113 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
 114                                         struct drm_gem_object *obj,
 115                                         int flags);
 116 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
 117                                                struct dma_buf *dma_buf);
 118
 119 #if defined(CONFIG_DEBUG_FS)
 120 int radeon_debugfs_init(struct drm_minor *minor);
 121 void radeon_debugfs_cleanup(struct drm_minor *minor);
 122 #endif
 123
 124
 125 int radeon_no_wb;
 126 int radeon_modeset = -1;
 127 int radeon_dynclks = -1;
 128 int radeon_r4xx_atom = 0;
 129 int radeon_agpmode = 0;
 130 int radeon_vram_limit = 0;
 131 int radeon_gart_size = 512; /* default gart size */
 132 int radeon_benchmarking = 0;
 133 int radeon_testing = 0;
 134 int radeon_connector_table = 0;
 135 int radeon_tv = 1;
 136 int radeon_audio = 0;
 137 int radeon_disp_priority = 0;
 138 int radeon_hw_i2c = 0;
 139 int radeon_pcie_gen2 = -1;
 140 int radeon_msi = -1;
 141 int radeon_lockup_timeout = 10000;
 142
 143 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 144 module_param_named(no_wb, radeon_no_wb, int, 0444);
 145
 146 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 147 module_param_named(modeset, radeon_modeset, int, 0400);
 148
 149 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 150 module_param_named(dynclks, radeon_dynclks, int, 0444);
 151
 152 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 153 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 154
 155 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 156 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 157
 158 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 159 module_param_named(agpmode, radeon_agpmode, int, 0444);
 160
 161 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
 162 module_param_named(gartsize, radeon_gart_size, int, 0600);
 163
 164 MODULE_PARM_DESC(benchmark, "Run benchmark");
 165 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 166
 167 MODULE_PARM_DESC(test, "Run tests");
 168 module_param_named(test, radeon_testing, int, 0444);
 169
 170 MODULE_PARM_DESC(connector_table, "Force connector table");
 171 module_param_named(connector_table, radeon_connector_table, int, 0444);
 172
 173 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 174 module_param_named(tv, radeon_tv, int, 0444);
 175
 176 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 177 module_param_named(audio, radeon_audio, int, 0444);
 178
 179 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 180 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 181
 182 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 183 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 184
 185 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 186 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 187
 188 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 189 module_param_named(msi, radeon_msi, int, 0444);
 190
 191 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 192 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 193
 194 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 195 {
 196         drm_radeon_private_t *dev_priv = dev->dev_private;
 197
 198         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 199                 return 0;
 200
 201         /* Disable *all* interrupts */
 202         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 203                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 204         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 205         return 0;
 206 }
 207
 208 static int radeon_resume(struct drm_device *dev)
 209 {
 210         drm_radeon_private_t *dev_priv = dev->dev_private;
 211
 212         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 213                 return 0;
 214
 215         /* Restore interrupt registers */
 216         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 217                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 218         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 219         return 0;
 220 }
 221
 222 static struct pci_device_id pciidlist[] = {
 223         radeon_PCI_IDS
 224 };
 225
 226 #if defined(CONFIG_DRM_RADEON_KMS)
 227 MODULE_DEVICE_TABLE(pci, pciidlist);
 228 #endif
 229
 230 static const struct file_operations radeon_driver_old_fops = {
 231         .owner = THIS_MODULE,
 232         .open = drm_open,
 233         .release = drm_release,
 234         .unlocked_ioctl = drm_ioctl,
 235         .mmap = drm_mmap,
 236         .poll = drm_poll,
 237         .fasync = drm_fasync,
 238         .read = drm_read,
 239 #ifdef CONFIG_COMPAT
 240         .compat_ioctl = radeon_compat_ioctl,
 241 #endif
 242         .llseek = noop_llseek,
 243 };
 244
 245 static struct drm_driver driver_old = {
 246         .driver_features =
 247             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 248             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 249         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 250         .load = radeon_driver_load,
 251         .firstopen = radeon_driver_firstopen,
 252         .open = radeon_driver_open,
 253         .preclose = radeon_driver_preclose,
 254         .postclose = radeon_driver_postclose,
 255         .lastclose = radeon_driver_lastclose,
 256         .unload = radeon_driver_unload,
 257         .suspend = radeon_suspend,
 258         .resume = radeon_resume,
 259         .get_vblank_counter = radeon_get_vblank_counter,
 260         .enable_vblank = radeon_enable_vblank,
 261         .disable_vblank = radeon_disable_vblank,
 262         .master_create = radeon_master_create,
 263         .master_destroy = radeon_master_destroy,
 264         .irq_preinstall = radeon_driver_irq_preinstall,
 265         .irq_postinstall = radeon_driver_irq_postinstall,
 266         .irq_uninstall = radeon_driver_irq_uninstall,
 267         .irq_handler = radeon_driver_irq_handler,
 268         .ioctls = radeon_ioctls,
 269         .dma_ioctl = radeon_cp_buffers,
 270         .fops = &radeon_driver_old_fops,
 271         .name = DRIVER_NAME,
 272         .desc = DRIVER_DESC,
 273         .date = DRIVER_DATE,
 274         .major = DRIVER_MAJOR,
 275         .minor = DRIVER_MINOR,
 276         .patchlevel = DRIVER_PATCHLEVEL,
 277 };
 278
 279 static struct drm_driver kms_driver;
 280
 281 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 282 {
 283         struct apertures_struct *ap;
 284         bool primary = false;
 285
 286         ap = alloc_apertures(1);
 287         ap->ranges[0].base = pci_resource_start(pdev, 0);
 288         ap->ranges[0].size = pci_resource_len(pdev, 0);
 289
 290 #ifdef CONFIG_X86
 291         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 292 #endif
 293         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 294         kfree(ap);
 295 }
 296
 297 static int __devinit
 298 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 299 {
 300         /* Get rid of things like offb */
 301         radeon_kick_out_firmware_fb(pdev);
 302
 303         return drm_get_pci_dev(pdev, ent, &kms_driver);
 304 }
 305
 306 static void
 307 radeon_pci_remove(struct pci_dev *pdev)
 308 {
 309         struct drm_device *dev = pci_get_drvdata(pdev);
 310
 311         drm_put_dev(dev);
 312 }
 313
 314 static int
 315 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 316 {
 317         struct drm_device *dev = pci_get_drvdata(pdev);
 318         return radeon_suspend_kms(dev, state);
 319 }
 320
 321 static int
 322 radeon_pci_resume(struct pci_dev *pdev)
 323 {
 324         struct drm_device *dev = pci_get_drvdata(pdev);
 325         return radeon_resume_kms(dev);
 326 }
 327
 328 static const struct file_operations radeon_driver_kms_fops = {
 329         .owner = THIS_MODULE,
 330         .open = drm_open,
 331         .release = drm_release,
 332         .unlocked_ioctl = drm_ioctl,
 333         .mmap = radeon_mmap,
 334         .poll = drm_poll,
 335         .fasync = drm_fasync,
 336         .read = drm_read,
 337 #ifdef CONFIG_COMPAT
 338         .compat_ioctl = radeon_kms_compat_ioctl,
 339 #endif
 340 };
 341
 342 static struct drm_driver kms_driver = {
 343         .driver_features =
 344             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 345             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
 346             DRIVER_PRIME,
 347         .dev_priv_size = 0,
 348         .load = radeon_driver_load_kms,
 349         .firstopen = radeon_driver_firstopen_kms,
 350         .open = radeon_driver_open_kms,
 351         .preclose = radeon_driver_preclose_kms,
 352         .postclose = radeon_driver_postclose_kms,
 353         .lastclose = radeon_driver_lastclose_kms,
 354         .unload = radeon_driver_unload_kms,
 355         .suspend = radeon_suspend_kms,
 356         .resume = radeon_resume_kms,
 357         .get_vblank_counter = radeon_get_vblank_counter_kms,
 358         .enable_vblank = radeon_enable_vblank_kms,
 359         .disable_vblank = radeon_disable_vblank_kms,
 360         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 361         .get_scanout_position = radeon_get_crtc_scanoutpos,
 362 #if defined(CONFIG_DEBUG_FS)
 363         .debugfs_init = radeon_debugfs_init,
 364         .debugfs_cleanup = radeon_debugfs_cleanup,
 365 #endif
 366         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 367         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 368         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 369         .irq_handler = radeon_driver_irq_handler_kms,
 370         .ioctls = radeon_ioctls_kms,
 371         .gem_init_object = radeon_gem_object_init,
 372         .gem_free_object = radeon_gem_object_free,
 373         .gem_open_object = radeon_gem_object_open,
 374         .gem_close_object = radeon_gem_object_close,
 375         .dma_ioctl = radeon_dma_ioctl_kms,
 376         .dumb_create = radeon_mode_dumb_create,
 377         .dumb_map_offset = radeon_mode_dumb_mmap,
 378         .dumb_destroy = radeon_mode_dumb_destroy,
 379         .fops = &radeon_driver_kms_fops,
 380
 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
 386         .name = DRIVER_NAME,
 387         .desc = DRIVER_DESC,
 388         .date = DRIVER_DATE,
 389         .major = KMS_DRIVER_MAJOR,
 390         .minor = KMS_DRIVER_MINOR,
 391         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 392 };
 393
 394 static struct drm_driver *driver;
 395 static struct pci_driver *pdriver;
 396
 397 static struct pci_driver radeon_pci_driver = {
 398         .name = DRIVER_NAME,
 399         .id_table = pciidlist,
 400 };
 401
 402 static struct pci_driver radeon_kms_pci_driver = {
 403         .name = DRIVER_NAME,
 404         .id_table = pciidlist,
 405         .probe = radeon_pci_probe,
 406         .remove = radeon_pci_remove,
 407         .suspend = radeon_pci_suspend,
 408         .resume = radeon_pci_resume,
 409 };
 410
 411 static int __init radeon_init(void)
 412 {
 413         driver = &driver_old;
 414         pdriver = &radeon_pci_driver;
 415         driver->num_ioctls = radeon_max_ioctl;
 416 #ifdef CONFIG_VGA_CONSOLE
 417         if (vgacon_text_force() && radeon_modeset == -1) {
 418                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 419                 driver = &driver_old;
 420                 pdriver = &radeon_pci_driver;
 421                 driver->driver_features &= ~DRIVER_MODESET;
 422                 radeon_modeset = 0;
 423         }
 424 #endif
 425         /* if enabled by default */
 426         if (radeon_modeset == -1) {
 427 #ifdef CONFIG_DRM_RADEON_KMS
 428                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 429                 radeon_modeset = 1;
 430 #else
 431                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 432                 radeon_modeset = 0;
 433 #endif
 434         }
 435         if (radeon_modeset == 1) {
 436                 DRM_INFO("radeon kernel modesetting enabled.\n");
 437                 driver = &kms_driver;
 438                 pdriver = &radeon_kms_pci_driver;
 439                 driver->driver_features |= DRIVER_MODESET;
 440                 driver->num_ioctls = radeon_max_kms_ioctl;
 441                 radeon_register_atpx_handler();
 442         }
 443         /* if the vga console setting is enabled still
 444          * let modprobe override it */
 445         return drm_pci_init(driver, pdriver);
 446 }
 447
 448 static void __exit radeon_exit(void)
 449 {
 450         drm_pci_exit(driver, pdriver);
 451         radeon_unregister_atpx_handler();
 452 }
 453
 454 module_init(radeon_init);
 455 module_exit(radeon_exit);
 456
 457 MODULE_AUTHOR(DRIVER_AUTHOR);
 458 MODULE_DESCRIPTION(DRIVER_DESC);
 459 MODULE_LICENSE("GPL and additional rights");