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  */
  58 #define KMS_DRIVER_MAJOR        2
  59 #define KMS_DRIVER_MINOR        12
  60 #define KMS_DRIVER_PATCHLEVEL   0
  61 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  62 int radeon_driver_unload_kms(struct drm_device *dev);
  63 int radeon_driver_firstopen_kms(struct drm_device *dev);
  64 void radeon_driver_lastclose_kms(struct drm_device *dev);
  65 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  66 void radeon_driver_postclose_kms(struct drm_device *dev,
  67                                  struct drm_file *file_priv);
  68 void radeon_driver_preclose_kms(struct drm_device *dev,
  69                                 struct drm_file *file_priv);
  70 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  71 int radeon_resume_kms(struct drm_device *dev);
  72 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  73 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  74 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  75 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
  76                                     int *max_error,
  77                                     struct timeval *vblank_time,
  78                                     unsigned flags);
  79 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  80 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  81 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  82 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  83 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  84                          struct drm_file *file_priv);
  85 int radeon_gem_object_init(struct drm_gem_object *obj);
  86 void radeon_gem_object_free(struct drm_gem_object *obj);
  87 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  88                                       int *vpos, int *hpos);
  89 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  90 extern int radeon_max_kms_ioctl;
  91 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  92 int radeon_mode_dumb_mmap(struct drm_file *filp,
  93                           struct drm_device *dev,
  94                           uint32_t handle, uint64_t *offset_p);
  95 int radeon_mode_dumb_create(struct drm_file *file_priv,
  96                             struct drm_device *dev,
  97                             struct drm_mode_create_dumb *args);
  98 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
  99                              struct drm_device *dev,
 100                              uint32_t handle);
 101
 102 #if defined(CONFIG_DEBUG_FS)
 103 int radeon_debugfs_init(struct drm_minor *minor);
 104 void radeon_debugfs_cleanup(struct drm_minor *minor);
 105 #endif
 106
 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 = 0;
 123 int radeon_msi = -1;
 124
 125 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 126 module_param_named(no_wb, radeon_no_wb, int, 0444);
 127
 128 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 129 module_param_named(modeset, radeon_modeset, int, 0400);
 130
 131 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 132 module_param_named(dynclks, radeon_dynclks, int, 0444);
 133
 134 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 135 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 136
 137 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 138 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 139
 140 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 141 module_param_named(agpmode, radeon_agpmode, int, 0444);
 142
 143 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 144 module_param_named(gartsize, radeon_gart_size, int, 0600);
 145
 146 MODULE_PARM_DESC(benchmark, "Run benchmark");
 147 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 148
 149 MODULE_PARM_DESC(test, "Run tests");
 150 module_param_named(test, radeon_testing, int, 0444);
 151
 152 MODULE_PARM_DESC(connector_table, "Force connector table");
 153 module_param_named(connector_table, radeon_connector_table, int, 0444);
 154
 155 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 156 module_param_named(tv, radeon_tv, int, 0444);
 157
 158 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 159 module_param_named(audio, radeon_audio, int, 0444);
 160
 161 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 162 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 163
 164 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 165 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 166
 167 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)");
 168 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 169
 170 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 171 module_param_named(msi, radeon_msi, int, 0444);
 172
 173 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 174 {
 175         drm_radeon_private_t *dev_priv = dev->dev_private;
 176
 177         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 178                 return 0;
 179
 180         /* Disable *all* interrupts */
 181         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 182                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 183         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 184         return 0;
 185 }
 186
 187 static int radeon_resume(struct drm_device *dev)
 188 {
 189         drm_radeon_private_t *dev_priv = dev->dev_private;
 190
 191         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 192                 return 0;
 193
 194         /* Restore interrupt registers */
 195         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 196                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 197         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 198         return 0;
 199 }
 200
 201 static struct pci_device_id pciidlist[] = {
 202         radeon_PCI_IDS
 203 };
 204
 205 #if defined(CONFIG_DRM_RADEON_KMS)
 206 MODULE_DEVICE_TABLE(pci, pciidlist);
 207 #endif
 208
 209 static const struct file_operations radeon_driver_old_fops = {
 210         .owner = THIS_MODULE,
 211         .open = drm_open,
 212         .release = drm_release,
 213         .unlocked_ioctl = drm_ioctl,
 214         .mmap = drm_mmap,
 215         .poll = drm_poll,
 216         .fasync = drm_fasync,
 217         .read = drm_read,
 218 #ifdef CONFIG_COMPAT
 219         .compat_ioctl = radeon_compat_ioctl,
 220 #endif
 221         .llseek = noop_llseek,
 222 };
 223
 224 static struct drm_driver driver_old = {
 225         .driver_features =
 226             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 227             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 228         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 229         .load = radeon_driver_load,
 230         .firstopen = radeon_driver_firstopen,
 231         .open = radeon_driver_open,
 232         .preclose = radeon_driver_preclose,
 233         .postclose = radeon_driver_postclose,
 234         .lastclose = radeon_driver_lastclose,
 235         .unload = radeon_driver_unload,
 236         .suspend = radeon_suspend,
 237         .resume = radeon_resume,
 238         .get_vblank_counter = radeon_get_vblank_counter,
 239         .enable_vblank = radeon_enable_vblank,
 240         .disable_vblank = radeon_disable_vblank,
 241         .master_create = radeon_master_create,
 242         .master_destroy = radeon_master_destroy,
 243         .irq_preinstall = radeon_driver_irq_preinstall,
 244         .irq_postinstall = radeon_driver_irq_postinstall,
 245         .irq_uninstall = radeon_driver_irq_uninstall,
 246         .irq_handler = radeon_driver_irq_handler,
 247         .reclaim_buffers = drm_core_reclaim_buffers,
 248         .ioctls = radeon_ioctls,
 249         .dma_ioctl = radeon_cp_buffers,
 250         .fops = &radeon_driver_old_fops,
 251         .name = DRIVER_NAME,
 252         .desc = DRIVER_DESC,
 253         .date = DRIVER_DATE,
 254         .major = DRIVER_MAJOR,
 255         .minor = DRIVER_MINOR,
 256         .patchlevel = DRIVER_PATCHLEVEL,
 257 };
 258
 259 static struct drm_driver kms_driver;
 260
 261 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 262 {
 263         struct apertures_struct *ap;
 264         bool primary = false;
 265
 266         ap = alloc_apertures(1);
 267         ap->ranges[0].base = pci_resource_start(pdev, 0);
 268         ap->ranges[0].size = pci_resource_len(pdev, 0);
 269
 270 #ifdef CONFIG_X86
 271         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 272 #endif
 273         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 274         kfree(ap);
 275 }
 276
 277 static int __devinit
 278 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 279 {
 280         /* Get rid of things like offb */
 281         radeon_kick_out_firmware_fb(pdev);
 282
 283         return drm_get_pci_dev(pdev, ent, &kms_driver);
 284 }
 285
 286 static void
 287 radeon_pci_remove(struct pci_dev *pdev)
 288 {
 289         struct drm_device *dev = pci_get_drvdata(pdev);
 290
 291         drm_put_dev(dev);
 292 }
 293
 294 static int
 295 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 296 {
 297         struct drm_device *dev = pci_get_drvdata(pdev);
 298         return radeon_suspend_kms(dev, state);
 299 }
 300
 301 static int
 302 radeon_pci_resume(struct pci_dev *pdev)
 303 {
 304         struct drm_device *dev = pci_get_drvdata(pdev);
 305         return radeon_resume_kms(dev);
 306 }
 307
 308 static const struct file_operations radeon_driver_kms_fops = {
 309         .owner = THIS_MODULE,
 310         .open = drm_open,
 311         .release = drm_release,
 312         .unlocked_ioctl = drm_ioctl,
 313         .mmap = radeon_mmap,
 314         .poll = drm_poll,
 315         .fasync = drm_fasync,
 316         .read = drm_read,
 317 #ifdef CONFIG_COMPAT
 318         .compat_ioctl = radeon_kms_compat_ioctl,
 319 #endif
 320 };
 321
 322 static struct drm_driver kms_driver = {
 323         .driver_features =
 324             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 325             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 326         .dev_priv_size = 0,
 327         .load = radeon_driver_load_kms,
 328         .firstopen = radeon_driver_firstopen_kms,
 329         .open = radeon_driver_open_kms,
 330         .preclose = radeon_driver_preclose_kms,
 331         .postclose = radeon_driver_postclose_kms,
 332         .lastclose = radeon_driver_lastclose_kms,
 333         .unload = radeon_driver_unload_kms,
 334         .suspend = radeon_suspend_kms,
 335         .resume = radeon_resume_kms,
 336         .get_vblank_counter = radeon_get_vblank_counter_kms,
 337         .enable_vblank = radeon_enable_vblank_kms,
 338         .disable_vblank = radeon_disable_vblank_kms,
 339         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 340         .get_scanout_position = radeon_get_crtc_scanoutpos,
 341 #if defined(CONFIG_DEBUG_FS)
 342         .debugfs_init = radeon_debugfs_init,
 343         .debugfs_cleanup = radeon_debugfs_cleanup,
 344 #endif
 345         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 346         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 347         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 348         .irq_handler = radeon_driver_irq_handler_kms,
 349         .reclaim_buffers = drm_core_reclaim_buffers,
 350         .ioctls = radeon_ioctls_kms,
 351         .gem_init_object = radeon_gem_object_init,
 352         .gem_free_object = radeon_gem_object_free,
 353         .dma_ioctl = radeon_dma_ioctl_kms,
 354         .dumb_create = radeon_mode_dumb_create,
 355         .dumb_map_offset = radeon_mode_dumb_mmap,
 356         .dumb_destroy = radeon_mode_dumb_destroy,
 357         .fops = &radeon_driver_kms_fops,
 358         .name = DRIVER_NAME,
 359         .desc = DRIVER_DESC,
 360         .date = DRIVER_DATE,
 361         .major = KMS_DRIVER_MAJOR,
 362         .minor = KMS_DRIVER_MINOR,
 363         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 364 };
 365
 366 static struct drm_driver *driver;
 367 static struct pci_driver *pdriver;
 368
 369 static struct pci_driver radeon_pci_driver = {
 370         .name = DRIVER_NAME,
 371         .id_table = pciidlist,
 372 };
 373
 374 static struct pci_driver radeon_kms_pci_driver = {
 375         .name = DRIVER_NAME,
 376         .id_table = pciidlist,
 377         .probe = radeon_pci_probe,
 378         .remove = radeon_pci_remove,
 379         .suspend = radeon_pci_suspend,
 380         .resume = radeon_pci_resume,
 381 };
 382
 383 static int __init radeon_init(void)
 384 {
 385         driver = &driver_old;
 386         pdriver = &radeon_pci_driver;
 387         driver->num_ioctls = radeon_max_ioctl;
 388 #ifdef CONFIG_VGA_CONSOLE
 389         if (vgacon_text_force() && radeon_modeset == -1) {
 390                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 391                 driver = &driver_old;
 392                 pdriver = &radeon_pci_driver;
 393                 driver->driver_features &= ~DRIVER_MODESET;
 394                 radeon_modeset = 0;
 395         }
 396 #endif
 397         /* if enabled by default */
 398         if (radeon_modeset == -1) {
 399 #ifdef CONFIG_DRM_RADEON_KMS
 400                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 401                 radeon_modeset = 1;
 402 #else
 403                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 404                 radeon_modeset = 0;
 405 #endif
 406         }
 407         if (radeon_modeset == 1) {
 408                 DRM_INFO("radeon kernel modesetting enabled.\n");
 409                 driver = &kms_driver;
 410                 pdriver = &radeon_kms_pci_driver;
 411                 driver->driver_features |= DRIVER_MODESET;
 412                 driver->num_ioctls = radeon_max_kms_ioctl;
 413                 radeon_register_atpx_handler();
 414         }
 415         /* if the vga console setting is enabled still
 416          * let modprobe override it */
 417         return drm_pci_init(driver, pdriver);
 418 }
 419
 420 static void __exit radeon_exit(void)
 421 {
 422         drm_pci_exit(driver, pdriver);
 423         radeon_unregister_atpx_handler();
 424 }
 425
 426 module_init(radeon_init);
 427 module_exit(radeon_exit);
 428
 429 MODULE_AUTHOR(DRIVER_AUTHOR);
 430 MODULE_DESCRIPTION(DRIVER_DESC);
 431 MODULE_LICENSE("GPL and additional rights");