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