sys/dev/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  * $FreeBSD: head/sys/dev/drm2/radeon/radeon_drv.c 254885 2013-08-25 19:37:15Z dumbbell $
  32  */
  33
  34 #include <drm/drmP.h>
  35 #include <uapi_drm/radeon_drm.h>
  36 #include "radeon_drv.h"
  37 #include "radeon_gem.h"
  38 #include "radeon_kms.h"
  39 #include "radeon_irq_kms.h"
  40
  41 #include <drm/drm_pciids.h>
  42
  43 /*
  44  * KMS wrapper.
  45  * - 2.0.0 - initial interface
  46  * - 2.1.0 - add square tiling interface
  47  * - 2.2.0 - add r6xx/r7xx const buffer support
  48  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  49  * - 2.4.0 - add crtc id query
  50  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
  51  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
  52  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
  53  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
  54  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  55  *   2.10.0 - fusion 2D tiling
  56  *   2.11.0 - backend map, initial compute support for the CS checker
  57  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  58  *   2.13.0 - virtual memory support, streamout
  59  *   2.14.0 - add evergreen tiling informations
  60  *   2.15.0 - add max_pipes query
  61  *   2.16.0 - fix evergreen 2D tiled surface calculation
  62  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  63  *   2.18.0 - r600-eg: allow "invalid" DB formats
  64  *   2.19.0 - r600-eg: MSAA textures
  65  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  66  *   2.21.0 - r600-r700: FMASK and CMASK
  67  *   2.22.0 - r600 only: RESOLVE_BOX allowed
  68  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  69  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
  70  *   2.25.0 - eg+: new info request for num SE and num SH
  71  *   2.26.0 - r600-eg: fix htile size computation
  72  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  73  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
  74  *   2.29.0 - R500 FP16 color clear registers
  75  *   2.30.0 - fix for FMASK texturing
  76  *   2.31.0 - Add fastfb support for rs690
  77  *   2.32.0 - new info request for rings working
  78  *   2.33.0 - Add SI tiling mode array query
  79  *   2.34.0 - Add CIK tiling mode array query
  80  */
  81 #define KMS_DRIVER_MAJOR        2
  82 #define KMS_DRIVER_MINOR        34
  83 #define KMS_DRIVER_PATCHLEVEL   0
  84 int radeon_suspend_kms(struct drm_device *dev);
  85 int radeon_resume_kms(struct drm_device *dev);
  86 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
  87                                       unsigned int flags,
  88                                       int *vpos, int *hpos, ktime_t *stime,
  89                                       ktime_t *etime);
  90 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  91 extern int radeon_max_kms_ioctl;
  92 #ifdef DUMBBELL_WIP
  93 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  94 #endif /* DUMBBELL_WIP */
  95 int radeon_mode_dumb_mmap(struct drm_file *filp,
  96                           struct drm_device *dev,
  97                           uint32_t handle, uint64_t *offset_p);
  98 int radeon_mode_dumb_create(struct drm_file *file_priv,
  99                             struct drm_device *dev,
 100                             struct drm_mode_create_dumb *args);
 101 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
 102                              struct drm_device *dev,
 103                              uint32_t handle);
 104 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
 105 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 106                                                         size_t size,
 107                                                         struct sg_table *sg);
 108 int radeon_gem_prime_pin(struct drm_gem_object *obj);
 109 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
 110 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
 111 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 112
 113 #if defined(CONFIG_DEBUG_FS)
 114 int radeon_debugfs_init(struct drm_minor *minor);
 115 void radeon_debugfs_cleanup(struct drm_minor *minor);
 116 #endif
 117
 118 /* atpx handler */
 119 #if defined(CONFIG_VGA_SWITCHEROO)
 120 void radeon_register_atpx_handler(void);
 121 void radeon_unregister_atpx_handler(void);
 122 #else
 123 static inline void radeon_register_atpx_handler(void) {}
 124 static inline void radeon_unregister_atpx_handler(void) {}
 125 #endif
 126
 127 int radeon_no_wb;
 128 int radeon_modeset = 1;
 129 int radeon_dynclks = -1;
 130 int radeon_r4xx_atom = 0;
 131 int radeon_agpmode = 0;
 132 int radeon_vram_limit = 0;
 133 int radeon_gart_size = 512; /* default gart size */
 134 int radeon_benchmarking = 0;
 135 int radeon_testing = 0;
 136 int radeon_connector_table = 0;
 137 int radeon_tv = 1;
 138 int radeon_audio = 0;
 139 int radeon_disp_priority = 0;
 140 int radeon_hw_i2c = 0;
 141 int radeon_pcie_gen2 = -1;
 142 int radeon_msi = -1;
 143 int radeon_lockup_timeout = 10000;
 144 int radeon_fastfb = 0;
 145 int radeon_dpm = -1;
 146 int radeon_aspm = -1;
 147
 148 TUNABLE_INT("drm.radeon.no_wb", &radeon_no_wb);
 149 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 150 module_param_named(no_wb, radeon_no_wb, int, 0444);
 151
 152 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 153 module_param_named(modeset, radeon_modeset, int, 0400);
 154
 155 TUNABLE_INT("drm.radeon.dynclks", &radeon_dynclks);
 156 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 157 module_param_named(dynclks, radeon_dynclks, int, 0444);
 158
 159 TUNABLE_INT("drm.radeon.r4xx_atom", &radeon_r4xx_atom);
 160 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 161 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 162
 163 TUNABLE_INT("drm.radeon.vram_limit", &radeon_vram_limit);
 164 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 165 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 166
 167 TUNABLE_INT("drm.radeon.agpmode", &radeon_agpmode);
 168 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 169 module_param_named(agpmode, radeon_agpmode, int, 0444);
 170
 171 TUNABLE_INT("drm.radeon.gart_size", &radeon_gart_size);
 172 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
 173 module_param_named(gartsize, radeon_gart_size, int, 0600);
 174
 175 TUNABLE_INT("drm.radeon.benchmarking", &radeon_benchmarking);
 176 MODULE_PARM_DESC(benchmark, "Run benchmark");
 177 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 178
 179 TUNABLE_INT("drm.radeon.testing", &radeon_testing);
 180 MODULE_PARM_DESC(test, "Run tests");
 181 module_param_named(test, radeon_testing, int, 0444);
 182
 183 TUNABLE_INT("drm.radeon.connector_table", &radeon_connector_table);
 184 MODULE_PARM_DESC(connector_table, "Force connector table");
 185 module_param_named(connector_table, radeon_connector_table, int, 0444);
 186
 187 TUNABLE_INT("drm.radeon.tv", &radeon_tv);
 188 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 189 module_param_named(tv, radeon_tv, int, 0444);
 190
 191 TUNABLE_INT("drm.radeon.audio", &radeon_audio);
 192 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
 193 module_param_named(audio, radeon_audio, int, 0444);
 194
 195 TUNABLE_INT("drm.radeon.disp_priority", &radeon_disp_priority);
 196 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 197 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 198
 199 TUNABLE_INT("drm.radeon.hw_i2c", &radeon_hw_i2c);
 200 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 201 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 202
 203 TUNABLE_INT("drm.radeon.pcie_gen2", &radeon_pcie_gen2);
 204 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 205 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 206
 207 TUNABLE_INT("drm.radeon.msi", &radeon_msi);
 208 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 209 module_param_named(msi, radeon_msi, int, 0444);
 210
 211 TUNABLE_INT("drm.radeon.lockup_timeout", &radeon_lockup_timeout);
 212 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 213 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 214
 215 TUNABLE_INT("drm.radeon.fastfb", &radeon_fastfb);
 216 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
 217 module_param_named(fastfb, radeon_fastfb, int, 0444);
 218
 219 TUNABLE_INT("drm.radeon.dpm", &radeon_dpm);
 220 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
 221 module_param_named(dpm, radeon_dpm, int, 0444);
 222
 223 TUNABLE_INT("drm.radeon.aspm", &radeon_aspm);
 224 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
 225 module_param_named(aspm, radeon_aspm, int, 0444);
 226
 227 static drm_pci_id_list_t pciidlist[] = {
 228         radeon_PCI_IDS
 229 };
 230
 231 #ifdef CONFIG_DRM_RADEON_UMS
 232
 233 #ifdef DUMBBELL_WIP
 234
 235 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 236 {
 237         drm_radeon_private_t *dev_priv = dev->dev_private;
 238
 239         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 240                 return 0;
 241
 242         /* Disable *all* interrupts */
 243         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 244                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 245         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 246         return 0;
 247 }
 248
 249 static int radeon_resume(struct drm_device *dev)
 250 {
 251         drm_radeon_private_t *dev_priv = dev->dev_private;
 252
 253         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 254                 return 0;
 255
 256         /* Restore interrupt registers */
 257         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 258                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 259         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 260         return 0;
 261 }
 262 #endif /* DUMBBELL_WIP */
 263
 264 #ifdef DUMBBELL_WIP
 265 static const struct file_operations radeon_driver_old_fops = {
 266         .owner = THIS_MODULE,
 267         .open = drm_open,
 268         .release = drm_release,
 269         .unlocked_ioctl = drm_ioctl,
 270         .mmap = drm_mmap,
 271         .poll = drm_poll,
 272         .fasync = drm_fasync,
 273         .read = drm_read,
 274 #ifdef CONFIG_COMPAT
 275         .compat_ioctl = radeon_compat_ioctl,
 276 #endif
 277         .llseek = noop_llseek,
 278 };
 279
 280 static struct drm_driver driver_old = {
 281         .driver_features =
 282             DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 283             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 284         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 285         .load = radeon_driver_load,
 286         .firstopen = radeon_driver_firstopen,
 287         .open = radeon_driver_open,
 288         .preclose = radeon_driver_preclose,
 289         .postclose = radeon_driver_postclose,
 290         .lastclose = radeon_driver_lastclose,
 291         .unload = radeon_driver_unload,
 292 #ifdef DUMBBELL_WIP
 293         .suspend = radeon_suspend,
 294         .resume = radeon_resume,
 295 #endif /* DUMBBELL_WIP */
 296         .get_vblank_counter = radeon_get_vblank_counter,
 297         .enable_vblank = radeon_enable_vblank,
 298         .disable_vblank = radeon_disable_vblank,
 299         .master_create = radeon_master_create,
 300         .master_destroy = radeon_master_destroy,
 301         .irq_preinstall = radeon_driver_irq_preinstall,
 302         .irq_postinstall = radeon_driver_irq_postinstall,
 303         .irq_uninstall = radeon_driver_irq_uninstall,
 304         .irq_handler = radeon_driver_irq_handler,
 305         .ioctls = radeon_ioctls,
 306         .dma_ioctl = radeon_cp_buffers,
 307         .fops = &radeon_driver_old_fops,
 308         .name = DRIVER_NAME,
 309         .desc = DRIVER_DESC,
 310         .date = DRIVER_DATE,
 311         .major = DRIVER_MAJOR,
 312         .minor = DRIVER_MINOR,
 313         .patchlevel = DRIVER_PATCHLEVEL,
 314 };
 315 #endif /* DUMBBELL_WIP */
 316
 317 #endif
 318
 319 static struct drm_driver kms_driver;
 320
 321 #ifdef DUMBBELL_WIP
 322 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 323 {
 324         struct apertures_struct *ap;
 325         bool primary = false;
 326
 327         ap = alloc_apertures(1);
 328         if (!ap)
 329                 return -ENOMEM;
 330
 331         ap->ranges[0].base = pci_resource_start(pdev, 0);
 332         ap->ranges[0].size = pci_resource_len(pdev, 0);
 333
 334 #ifdef CONFIG_X86
 335         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 336 #endif
 337         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 338         kfree(ap);
 339
 340         return 0;
 341 }
 342
 343 static int radeon_pci_probe(struct pci_dev *pdev,
 344                             const struct pci_device_id *ent)
 345 {
 346         int ret;
 347
 348         /* Get rid of things like offb */
 349         ret = radeon_kick_out_firmware_fb(pdev);
 350         if (ret)
 351                 return ret;
 352
 353         return drm_get_pci_dev(pdev, ent, &kms_driver);
 354 }
 355
 356 static void
 357 radeon_pci_remove(struct pci_dev *pdev)
 358 {
 359         struct drm_device *dev = pci_get_drvdata(pdev);
 360
 361         drm_put_dev(dev);
 362 }
 363
 364 static int
 365 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 366 {
 367         struct drm_device *dev = pci_get_drvdata(pdev);
 368         return radeon_suspend_kms(dev, state);
 369 }
 370
 371 static int
 372 radeon_pci_resume(struct pci_dev *pdev)
 373 {
 374         struct drm_device *dev = pci_get_drvdata(pdev);
 375         return radeon_resume_kms(dev);
 376 }
 377
 378 static const struct file_operations radeon_driver_kms_fops = {
 379         .owner = THIS_MODULE,
 380         .open = drm_open,
 381         .release = drm_release,
 382         .unlocked_ioctl = drm_ioctl,
 383         .mmap = radeon_mmap,
 384         .poll = drm_poll,
 385         .fasync = drm_fasync,
 386         .read = drm_read,
 387 #ifdef CONFIG_COMPAT
 388         .compat_ioctl = radeon_kms_compat_ioctl,
 389 #endif
 390 };
 391 #endif /* DUMBBELL_WIP */
 392
 393 static struct drm_driver kms_driver = {
 394         .driver_features =
 395             DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 396             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
 397             DRIVER_PRIME /* | DRIVE_MODESET */,
 398 #ifdef DUMBBELL_WIP
 399         .dev_priv_size = 0,
 400 #endif /* DUMBBELL_WIP */
 401         .load = radeon_driver_load_kms,
 402         .use_msi = radeon_msi_ok,
 403         .firstopen = radeon_driver_firstopen_kms,
 404         .open = radeon_driver_open_kms,
 405         .preclose = radeon_driver_preclose_kms,
 406         .postclose = radeon_driver_postclose_kms,
 407         .lastclose = radeon_driver_lastclose_kms,
 408         .unload = radeon_driver_unload_kms,
 409 #ifdef DUMBBELL_WIP
 410         .suspend = radeon_suspend_kms,
 411         .resume = radeon_resume_kms,
 412 #endif /* DUMBBELL_WIP */
 413         .get_vblank_counter = radeon_get_vblank_counter_kms,
 414         .enable_vblank = radeon_enable_vblank_kms,
 415         .disable_vblank = radeon_disable_vblank_kms,
 416         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 417         .get_scanout_position = radeon_get_crtc_scanoutpos,
 418         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 419         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 420         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 421         .irq_handler = radeon_driver_irq_handler_kms,
 422         .ioctls = radeon_ioctls_kms,
 423         .gem_free_object = radeon_gem_object_free,
 424         .gem_open_object = radeon_gem_object_open,
 425         .gem_close_object = radeon_gem_object_close,
 426         .dma_ioctl = radeon_dma_ioctl_kms,
 427         .dumb_create = radeon_mode_dumb_create,
 428         .dumb_map_offset = radeon_mode_dumb_mmap,
 429         .dumb_destroy = radeon_mode_dumb_destroy,
 430 #ifdef DUMBBELL_WIP
 431         .fops = &radeon_driver_kms_fops,
 432 #endif /* DUMBBELL_WIP */
 433
 434 #ifdef DUMBBELL_WIP
 435         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 436         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 437         .gem_prime_export = drm_gem_prime_export,
 438         .gem_prime_import = drm_gem_prime_import,
 439         .gem_prime_pin = radeon_gem_prime_pin,
 440         .gem_prime_unpin = radeon_gem_prime_unpin,
 441         .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
 442         .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
 443         .gem_prime_vmap = radeon_gem_prime_vmap,
 444         .gem_prime_vunmap = radeon_gem_prime_vunmap,
 445 #endif /* DUMBBELL_WIP */
 446
 447         .name = DRIVER_NAME,
 448         .desc = DRIVER_DESC,
 449         .date = DRIVER_DATE,
 450         .major = KMS_DRIVER_MAJOR,
 451         .minor = KMS_DRIVER_MINOR,
 452         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 453 };
 454
 455 #ifdef DUMBBELL_WIP
 456 static int __init radeon_init(void)
 457 {
 458         if (radeon_modeset == 1) {
 459                 DRM_INFO("radeon kernel modesetting enabled.\n");
 460                 driver = &kms_driver;
 461                 pdriver = &radeon_kms_pci_driver;
 462                 driver->driver_features |= DRIVER_MODESET;
 463                 driver->num_ioctls = radeon_max_kms_ioctl;
 464                 radeon_register_atpx_handler();
 465
 466         } else {
 467 #ifdef CONFIG_DRM_RADEON_UMS
 468                 DRM_INFO("radeon userspace modesetting enabled.\n");
 469                 driver = &driver_old;
 470                 pdriver = &radeon_pci_driver;
 471                 driver->driver_features &= ~DRIVER_MODESET;
 472                 driver->num_ioctls = radeon_max_ioctl;
 473 #else
 474                 DRM_ERROR("No UMS support in radeon module!\n");
 475                 return -EINVAL;
 476 #endif
 477         }
 478
 479         /* let modprobe override vga console setting */
 480         return drm_pci_init(driver, pdriver);
 481 }
 482
 483 static void __exit radeon_exit(void)
 484 {
 485         drm_pci_exit(driver, pdriver);
 486         radeon_unregister_atpx_handler();
 487 }
 488 #endif /* DUMBBELL_WIP */
 489
 490 /* =================================================================== */
 491
 492 static int
 493 radeon_probe(device_t kdev)
 494 {
 495
 496         return drm_probe(kdev, pciidlist);
 497 }
 498
 499 static int
 500 radeon_attach(device_t kdev)
 501 {
 502         struct drm_device *dev;
 503
 504         dev = device_get_softc(kdev);
 505         if (radeon_modeset == 1) {
 506                 kms_driver.driver_features |= DRIVER_MODESET;
 507                 kms_driver.num_ioctls = radeon_max_kms_ioctl;
 508                 radeon_register_atpx_handler();
 509         }
 510         dev->driver = &kms_driver;
 511         return (drm_attach(kdev, pciidlist));
 512 }
 513
 514 static int
 515 radeon_suspend(device_t kdev)
 516 {
 517         struct drm_device *dev;
 518         int ret;
 519
 520         dev = device_get_softc(kdev);
 521         ret = radeon_suspend_kms(dev);
 522
 523         return (-ret);
 524 }
 525
 526 static int
 527 radeon_resume(device_t kdev)
 528 {
 529         struct drm_device *dev;
 530         int ret;
 531
 532         dev = device_get_softc(kdev);
 533         ret = radeon_resume_kms(dev);
 534
 535         return (-ret);
 536 }
 537
 538 static device_method_t radeon_methods[] = {
 539         /* Device interface */
 540         DEVMETHOD(device_probe,         radeon_probe),
 541         DEVMETHOD(device_attach,        radeon_attach),
 542         DEVMETHOD(device_suspend,       radeon_suspend),
 543         DEVMETHOD(device_resume,        radeon_resume),
 544         DEVMETHOD(device_detach,        drm_release),
 545         DEVMETHOD_END
 546 };
 547
 548 static driver_t radeon_driver = {
 549         "drm",
 550         radeon_methods,
 551         sizeof(struct drm_device)
 552 };
 553
 554 extern devclass_t drm_devclass;
 555 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
 556     NULL, NULL, SI_ORDER_ANY);
 557 MODULE_DEPEND(radeonkms, drm, 1, 1, 1);
 558 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
 559 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
 560 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
 561 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);