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
  58  */
  59 #define KMS_DRIVER_MAJOR        2
  60 #define KMS_DRIVER_MINOR        13
  61 #define KMS_DRIVER_PATCHLEVEL   0
  62 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  63 int radeon_driver_unload_kms(struct drm_device *dev);
  64 int radeon_driver_firstopen_kms(struct drm_device *dev);
  65 void radeon_driver_lastclose_kms(struct drm_device *dev);
  66 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  67 void radeon_driver_postclose_kms(struct drm_device *dev,
  68                                  struct drm_file *file_priv);
  69 void radeon_driver_preclose_kms(struct drm_device *dev,
  70                                 struct drm_file *file_priv);
  71 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  72 int radeon_resume_kms(struct drm_device *dev);
  73 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  74 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  75 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  76 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
  77                                     int *max_error,
  78                                     struct timeval *vblank_time,
  79                                     unsigned flags);
  80 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  81 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  82 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  83 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  84 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  85                          struct drm_file *file_priv);
  86 int radeon_gem_object_init(struct drm_gem_object *obj);
  87 void radeon_gem_object_free(struct drm_gem_object *obj);
  88 int radeon_gem_object_open(struct drm_gem_object *obj,
  89                                 struct drm_file *file_priv);
  90 void radeon_gem_object_close(struct drm_gem_object *obj,
  91                                 struct drm_file *file_priv);
  92 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  93                                       int *vpos, int *hpos);
  94 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  95 extern int radeon_max_kms_ioctl;
  96 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  97 int radeon_mode_dumb_mmap(struct drm_file *filp,
  98                           struct drm_device *dev,
  99                           uint32_t handle, uint64_t *offset_p);
 100 int radeon_mode_dumb_create(struct drm_file *file_priv,
 101                             struct drm_device *dev,
 102                             struct drm_mode_create_dumb *args);
 103 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
 104                              struct drm_device *dev,
 105                              uint32_t handle);
 106
 107 #if defined(CONFIG_DEBUG_FS)
 108 int radeon_debugfs_init(struct drm_minor *minor);
 109 void radeon_debugfs_cleanup(struct drm_minor *minor);
 110 #endif
 111
 112
 113 int radeon_no_wb;
 114 int radeon_modeset = -1;
 115 int radeon_dynclks = -1;
 116 int radeon_r4xx_atom = 0;
 117 int radeon_agpmode = 0;
 118 int radeon_vram_limit = 0;
 119 int radeon_gart_size = 512; /* default gart size */
 120 int radeon_benchmarking = 0;
 121 int radeon_testing = 0;
 122 int radeon_connector_table = 0;
 123 int radeon_tv = 1;
 124 int radeon_audio = 0;
 125 int radeon_disp_priority = 0;
 126 int radeon_hw_i2c = 0;
 127 int radeon_pcie_gen2 = 0;
 128 int radeon_msi = -1;
 129
 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 = 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 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
 206 static struct pci_device_id pciidlist[] = {
 207         radeon_PCI_IDS
 208 };
 209
 210 #if defined(CONFIG_DRM_RADEON_KMS)
 211 MODULE_DEVICE_TABLE(pci, pciidlist);
 212 #endif
 213
 214 static const struct file_operations radeon_driver_old_fops = {
 215         .owner = THIS_MODULE,
 216         .open = drm_open,
 217         .release = drm_release,
 218         .unlocked_ioctl = drm_ioctl,
 219         .mmap = drm_mmap,
 220         .poll = drm_poll,
 221         .fasync = drm_fasync,
 222         .read = drm_read,
 223 #ifdef CONFIG_COMPAT
 224         .compat_ioctl = radeon_compat_ioctl,
 225 #endif
 226         .llseek = noop_llseek,
 227 };
 228
 229 static struct drm_driver driver_old = {
 230         .driver_features =
 231             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 232             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 233         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 234         .load = radeon_driver_load,
 235         .firstopen = radeon_driver_firstopen,
 236         .open = radeon_driver_open,
 237         .preclose = radeon_driver_preclose,
 238         .postclose = radeon_driver_postclose,
 239         .lastclose = radeon_driver_lastclose,
 240         .unload = radeon_driver_unload,
 241         .suspend = radeon_suspend,
 242         .resume = radeon_resume,
 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         .reclaim_buffers = drm_core_reclaim_buffers,
 253         .ioctls = radeon_ioctls,
 254         .dma_ioctl = radeon_cp_buffers,
 255         .fops = &radeon_driver_old_fops,
 256         .name = DRIVER_NAME,
 257         .desc = DRIVER_DESC,
 258         .date = DRIVER_DATE,
 259         .major = DRIVER_MAJOR,
 260         .minor = DRIVER_MINOR,
 261         .patchlevel = DRIVER_PATCHLEVEL,
 262 };
 263
 264 static struct drm_driver kms_driver;
 265
 266 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 267 {
 268         struct apertures_struct *ap;
 269         bool primary = false;
 270
 271         ap = alloc_apertures(1);
 272         ap->ranges[0].base = pci_resource_start(pdev, 0);
 273         ap->ranges[0].size = pci_resource_len(pdev, 0);
 274
 275 #ifdef CONFIG_X86
 276         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 277 #endif
 278         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 279         kfree(ap);
 280 }
 281
 282 static int __devinit
 283 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 284 {
 285         /* Get rid of things like offb */
 286         radeon_kick_out_firmware_fb(pdev);
 287
 288         return drm_get_pci_dev(pdev, ent, &kms_driver);
 289 }
 290
 291 static void
 292 radeon_pci_remove(struct pci_dev *pdev)
 293 {
 294         struct drm_device *dev = pci_get_drvdata(pdev);
 295
 296         drm_put_dev(dev);
 297 }
 298
 299 static int
 300 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 301 {
 302         struct drm_device *dev = pci_get_drvdata(pdev);
 303         return radeon_suspend_kms(dev, state);
 304 }
 305
 306 static int
 307 radeon_pci_resume(struct pci_dev *pdev)
 308 {
 309         struct drm_device *dev = pci_get_drvdata(pdev);
 310         return radeon_resume_kms(dev);
 311 }
 312
 313 static const struct file_operations radeon_driver_kms_fops = {
 314         .owner = THIS_MODULE,
 315         .open = drm_open,
 316         .release = drm_release,
 317         .unlocked_ioctl = drm_ioctl,
 318         .mmap = radeon_mmap,
 319         .poll = drm_poll,
 320         .fasync = drm_fasync,
 321         .read = drm_read,
 322 #ifdef CONFIG_COMPAT
 323         .compat_ioctl = radeon_kms_compat_ioctl,
 324 #endif
 325 };
 326
 327 static struct drm_driver kms_driver = {
 328         .driver_features =
 329             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 330             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 331         .dev_priv_size = 0,
 332         .load = radeon_driver_load_kms,
 333         .firstopen = radeon_driver_firstopen_kms,
 334         .open = radeon_driver_open_kms,
 335         .preclose = radeon_driver_preclose_kms,
 336         .postclose = radeon_driver_postclose_kms,
 337         .lastclose = radeon_driver_lastclose_kms,
 338         .unload = radeon_driver_unload_kms,
 339         .suspend = radeon_suspend_kms,
 340         .resume = radeon_resume_kms,
 341         .get_vblank_counter = radeon_get_vblank_counter_kms,
 342         .enable_vblank = radeon_enable_vblank_kms,
 343         .disable_vblank = radeon_disable_vblank_kms,
 344         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 345         .get_scanout_position = radeon_get_crtc_scanoutpos,
 346 #if defined(CONFIG_DEBUG_FS)
 347         .debugfs_init = radeon_debugfs_init,
 348         .debugfs_cleanup = radeon_debugfs_cleanup,
 349 #endif
 350         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 351         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 352         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 353         .irq_handler = radeon_driver_irq_handler_kms,
 354         .reclaim_buffers = drm_core_reclaim_buffers,
 355         .ioctls = radeon_ioctls_kms,
 356         .gem_init_object = radeon_gem_object_init,
 357         .gem_free_object = radeon_gem_object_free,
 358         .gem_open_object = radeon_gem_object_open,
 359         .gem_close_object = radeon_gem_object_close,
 360         .dma_ioctl = radeon_dma_ioctl_kms,
 361         .dumb_create = radeon_mode_dumb_create,
 362         .dumb_map_offset = radeon_mode_dumb_mmap,
 363         .dumb_destroy = radeon_mode_dumb_destroy,
 364         .fops = &radeon_driver_kms_fops,
 365         .name = DRIVER_NAME,
 366         .desc = DRIVER_DESC,
 367         .date = DRIVER_DATE,
 368         .major = KMS_DRIVER_MAJOR,
 369         .minor = KMS_DRIVER_MINOR,
 370         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 371 };
 372
 373 static struct drm_driver *driver;
 374 static struct pci_driver *pdriver;
 375
 376 static struct pci_driver radeon_pci_driver = {
 377         .name = DRIVER_NAME,
 378         .id_table = pciidlist,
 379 };
 380
 381 static struct pci_driver radeon_kms_pci_driver = {
 382         .name = DRIVER_NAME,
 383         .id_table = pciidlist,
 384         .probe = radeon_pci_probe,
 385         .remove = radeon_pci_remove,
 386         .suspend = radeon_pci_suspend,
 387         .resume = radeon_pci_resume,
 388 };
 389
 390 static int __init radeon_init(void)
 391 {
 392         driver = &driver_old;
 393         pdriver = &radeon_pci_driver;
 394         driver->num_ioctls = radeon_max_ioctl;
 395 #ifdef CONFIG_VGA_CONSOLE
 396         if (vgacon_text_force() && radeon_modeset == -1) {
 397                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 398                 driver = &driver_old;
 399                 pdriver = &radeon_pci_driver;
 400                 driver->driver_features &= ~DRIVER_MODESET;
 401                 radeon_modeset = 0;
 402         }
 403 #endif
 404         /* if enabled by default */
 405         if (radeon_modeset == -1) {
 406 #ifdef CONFIG_DRM_RADEON_KMS
 407                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 408                 radeon_modeset = 1;
 409 #else
 410                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 411                 radeon_modeset = 0;
 412 #endif
 413         }
 414         if (radeon_modeset == 1) {
 415                 DRM_INFO("radeon kernel modesetting enabled.\n");
 416                 driver = &kms_driver;
 417                 pdriver = &radeon_kms_pci_driver;
 418                 driver->driver_features |= DRIVER_MODESET;
 419                 driver->num_ioctls = radeon_max_kms_ioctl;
 420                 radeon_register_atpx_handler();
 421         }
 422         /* if the vga console setting is enabled still
 423          * let modprobe override it */
 424         return drm_pci_init(driver, pdriver);
 425 }
 426
 427 static void __exit radeon_exit(void)
 428 {
 429         drm_pci_exit(driver, pdriver);
 430         radeon_unregister_atpx_handler();
 431 }
 432
 433 module_init(radeon_init);
 434 module_exit(radeon_exit);
 435
 436 MODULE_AUTHOR(DRIVER_AUTHOR);
 437 MODULE_DESCRIPTION(DRIVER_DESC);
 438 MODULE_LICENSE("GPL and additional rights");