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
  40
  41 /*
  42  * KMS wrapper.
  43  * - 2.0.0 - initial interface
  44  * - 2.1.0 - add square tiling interface
  45  * - 2.2.0 - add r6xx/r7xx const buffer support
  46  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  47  * - 2.4.0 - add crtc id query
  48  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  49  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  50  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  51  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  52  */
  53 #define KMS_DRIVER_MAJOR        2
  54 #define KMS_DRIVER_MINOR        8
  55 #define KMS_DRIVER_PATCHLEVEL   0
  56 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  57 int radeon_driver_unload_kms(struct drm_device *dev);
  58 int radeon_driver_firstopen_kms(struct drm_device *dev);
  59 void radeon_driver_lastclose_kms(struct drm_device *dev);
  60 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  61 void radeon_driver_postclose_kms(struct drm_device *dev,
  62                                  struct drm_file *file_priv);
  63 void radeon_driver_preclose_kms(struct drm_device *dev,
  64                                 struct drm_file *file_priv);
  65 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  66 int radeon_resume_kms(struct drm_device *dev);
  67 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  68 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  69 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  70 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
  71                                     int *max_error,
  72                                     struct timeval *vblank_time,
  73                                     unsigned flags);
  74 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  75 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  76 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  77 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  78 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  79                          struct drm_file *file_priv);
  80 int radeon_gem_object_init(struct drm_gem_object *obj);
  81 void radeon_gem_object_free(struct drm_gem_object *obj);
  82 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  83                                       int *vpos, int *hpos);
  84 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  85 extern int radeon_max_kms_ioctl;
  86 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  87 #if defined(CONFIG_DEBUG_FS)
  88 int radeon_debugfs_init(struct drm_minor *minor);
  89 void radeon_debugfs_cleanup(struct drm_minor *minor);
  90 #endif
  91
  92
  93 int radeon_no_wb;
  94 int radeon_modeset = -1;
  95 int radeon_dynclks = -1;
  96 int radeon_r4xx_atom = 0;
  97 int radeon_agpmode = 0;
  98 int radeon_vram_limit = 0;
  99 int radeon_gart_size = 512; /* default gart size */
 100 int radeon_benchmarking = 0;
 101 int radeon_testing = 0;
 102 int radeon_connector_table = 0;
 103 int radeon_tv = 1;
 104 int radeon_audio = 1;
 105 int radeon_disp_priority = 0;
 106 int radeon_hw_i2c = 0;
 107 int radeon_pcie_gen2 = 0;
 108
 109 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 110 module_param_named(no_wb, radeon_no_wb, int, 0444);
 111
 112 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 113 module_param_named(modeset, radeon_modeset, int, 0400);
 114
 115 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 116 module_param_named(dynclks, radeon_dynclks, int, 0444);
 117
 118 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 119 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 120
 121 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 122 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 123
 124 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 125 module_param_named(agpmode, radeon_agpmode, int, 0444);
 126
 127 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 128 module_param_named(gartsize, radeon_gart_size, int, 0600);
 129
 130 MODULE_PARM_DESC(benchmark, "Run benchmark");
 131 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 132
 133 MODULE_PARM_DESC(test, "Run tests");
 134 module_param_named(test, radeon_testing, int, 0444);
 135
 136 MODULE_PARM_DESC(connector_table, "Force connector table");
 137 module_param_named(connector_table, radeon_connector_table, int, 0444);
 138
 139 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 140 module_param_named(tv, radeon_tv, int, 0444);
 141
 142 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
 143 module_param_named(audio, radeon_audio, int, 0444);
 144
 145 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 146 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 147
 148 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 149 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 150
 151 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)");
 152 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 153
 154 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 155 {
 156         drm_radeon_private_t *dev_priv = dev->dev_private;
 157
 158         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 159                 return 0;
 160
 161         /* Disable *all* interrupts */
 162         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 163                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 164         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 165         return 0;
 166 }
 167
 168 static int radeon_resume(struct drm_device *dev)
 169 {
 170         drm_radeon_private_t *dev_priv = dev->dev_private;
 171
 172         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 173                 return 0;
 174
 175         /* Restore interrupt registers */
 176         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 177                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 178         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 179         return 0;
 180 }
 181
 182 static struct pci_device_id pciidlist[] = {
 183         radeon_PCI_IDS
 184 };
 185
 186 #if defined(CONFIG_DRM_RADEON_KMS)
 187 MODULE_DEVICE_TABLE(pci, pciidlist);
 188 #endif
 189
 190 static struct drm_driver driver_old = {
 191         .driver_features =
 192             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 193             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 194         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 195         .load = radeon_driver_load,
 196         .firstopen = radeon_driver_firstopen,
 197         .open = radeon_driver_open,
 198         .preclose = radeon_driver_preclose,
 199         .postclose = radeon_driver_postclose,
 200         .lastclose = radeon_driver_lastclose,
 201         .unload = radeon_driver_unload,
 202         .suspend = radeon_suspend,
 203         .resume = radeon_resume,
 204         .get_vblank_counter = radeon_get_vblank_counter,
 205         .enable_vblank = radeon_enable_vblank,
 206         .disable_vblank = radeon_disable_vblank,
 207         .master_create = radeon_master_create,
 208         .master_destroy = radeon_master_destroy,
 209         .irq_preinstall = radeon_driver_irq_preinstall,
 210         .irq_postinstall = radeon_driver_irq_postinstall,
 211         .irq_uninstall = radeon_driver_irq_uninstall,
 212         .irq_handler = radeon_driver_irq_handler,
 213         .reclaim_buffers = drm_core_reclaim_buffers,
 214         .ioctls = radeon_ioctls,
 215         .dma_ioctl = radeon_cp_buffers,
 216         .fops = {
 217                  .owner = THIS_MODULE,
 218                  .open = drm_open,
 219                  .release = drm_release,
 220                  .unlocked_ioctl = drm_ioctl,
 221                  .mmap = drm_mmap,
 222                  .poll = drm_poll,
 223                  .fasync = drm_fasync,
 224                  .read = drm_read,
 225 #ifdef CONFIG_COMPAT
 226                  .compat_ioctl = radeon_compat_ioctl,
 227 #endif
 228                  .llseek = noop_llseek,
 229         },
 230
 231         .pci_driver = {
 232                  .name = DRIVER_NAME,
 233                  .id_table = pciidlist,
 234         },
 235
 236         .name = DRIVER_NAME,
 237         .desc = DRIVER_DESC,
 238         .date = DRIVER_DATE,
 239         .major = DRIVER_MAJOR,
 240         .minor = DRIVER_MINOR,
 241         .patchlevel = DRIVER_PATCHLEVEL,
 242 };
 243
 244 static struct drm_driver kms_driver;
 245
 246 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 247 {
 248         struct apertures_struct *ap;
 249         bool primary = false;
 250
 251         ap = alloc_apertures(1);
 252         ap->ranges[0].base = pci_resource_start(pdev, 0);
 253         ap->ranges[0].size = pci_resource_len(pdev, 0);
 254
 255 #ifdef CONFIG_X86
 256         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 257 #endif
 258         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 259         kfree(ap);
 260 }
 261
 262 static int __devinit
 263 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 264 {
 265         /* Get rid of things like offb */
 266         radeon_kick_out_firmware_fb(pdev);
 267
 268         return drm_get_pci_dev(pdev, ent, &kms_driver);
 269 }
 270
 271 static void
 272 radeon_pci_remove(struct pci_dev *pdev)
 273 {
 274         struct drm_device *dev = pci_get_drvdata(pdev);
 275
 276         drm_put_dev(dev);
 277 }
 278
 279 static int
 280 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 281 {
 282         struct drm_device *dev = pci_get_drvdata(pdev);
 283         return radeon_suspend_kms(dev, state);
 284 }
 285
 286 static int
 287 radeon_pci_resume(struct pci_dev *pdev)
 288 {
 289         struct drm_device *dev = pci_get_drvdata(pdev);
 290         return radeon_resume_kms(dev);
 291 }
 292
 293 static struct drm_driver kms_driver = {
 294         .driver_features =
 295             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 296             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 297         .dev_priv_size = 0,
 298         .load = radeon_driver_load_kms,
 299         .firstopen = radeon_driver_firstopen_kms,
 300         .open = radeon_driver_open_kms,
 301         .preclose = radeon_driver_preclose_kms,
 302         .postclose = radeon_driver_postclose_kms,
 303         .lastclose = radeon_driver_lastclose_kms,
 304         .unload = radeon_driver_unload_kms,
 305         .suspend = radeon_suspend_kms,
 306         .resume = radeon_resume_kms,
 307         .get_vblank_counter = radeon_get_vblank_counter_kms,
 308         .enable_vblank = radeon_enable_vblank_kms,
 309         .disable_vblank = radeon_disable_vblank_kms,
 310         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 311         .get_scanout_position = radeon_get_crtc_scanoutpos,
 312 #if defined(CONFIG_DEBUG_FS)
 313         .debugfs_init = radeon_debugfs_init,
 314         .debugfs_cleanup = radeon_debugfs_cleanup,
 315 #endif
 316         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 317         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 318         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 319         .irq_handler = radeon_driver_irq_handler_kms,
 320         .reclaim_buffers = drm_core_reclaim_buffers,
 321         .ioctls = radeon_ioctls_kms,
 322         .gem_init_object = radeon_gem_object_init,
 323         .gem_free_object = radeon_gem_object_free,
 324         .dma_ioctl = radeon_dma_ioctl_kms,
 325         .fops = {
 326                  .owner = THIS_MODULE,
 327                  .open = drm_open,
 328                  .release = drm_release,
 329                  .unlocked_ioctl = drm_ioctl,
 330                  .mmap = radeon_mmap,
 331                  .poll = drm_poll,
 332                  .fasync = drm_fasync,
 333                  .read = drm_read,
 334 #ifdef CONFIG_COMPAT
 335                  .compat_ioctl = radeon_kms_compat_ioctl,
 336 #endif
 337         },
 338
 339         .pci_driver = {
 340                  .name = DRIVER_NAME,
 341                  .id_table = pciidlist,
 342                  .probe = radeon_pci_probe,
 343                  .remove = radeon_pci_remove,
 344                  .suspend = radeon_pci_suspend,
 345                  .resume = radeon_pci_resume,
 346         },
 347
 348         .name = DRIVER_NAME,
 349         .desc = DRIVER_DESC,
 350         .date = DRIVER_DATE,
 351         .major = KMS_DRIVER_MAJOR,
 352         .minor = KMS_DRIVER_MINOR,
 353         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 354 };
 355
 356 static struct drm_driver *driver;
 357
 358 static int __init radeon_init(void)
 359 {
 360         driver = &driver_old;
 361         driver->num_ioctls = radeon_max_ioctl;
 362 #ifdef CONFIG_VGA_CONSOLE
 363         if (vgacon_text_force() && radeon_modeset == -1) {
 364                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 365                 driver = &driver_old;
 366                 driver->driver_features &= ~DRIVER_MODESET;
 367                 radeon_modeset = 0;
 368         }
 369 #endif
 370         /* if enabled by default */
 371         if (radeon_modeset == -1) {
 372 #ifdef CONFIG_DRM_RADEON_KMS
 373                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
 374                 radeon_modeset = 1;
 375 #else
 376                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
 377                 radeon_modeset = 0;
 378 #endif
 379         }
 380         if (radeon_modeset == 1) {
 381                 DRM_INFO("radeon kernel modesetting enabled.\n");
 382                 driver = &kms_driver;
 383                 driver->driver_features |= DRIVER_MODESET;
 384                 driver->num_ioctls = radeon_max_kms_ioctl;
 385                 radeon_register_atpx_handler();
 386         }
 387         /* if the vga console setting is enabled still
 388          * let modprobe override it */
 389         return drm_init(driver);
 390 }
 391
 392 static void __exit radeon_exit(void)
 393 {
 394         drm_exit(driver);
 395         radeon_unregister_atpx_handler();
 396 }
 397
 398 module_init(radeon_init);
 399 module_exit(radeon_exit);
 400
 401 MODULE_AUTHOR(DRIVER_AUTHOR);
 402 MODULE_DESCRIPTION(DRIVER_DESC);
 403 MODULE_LICENSE("GPL and additional rights");