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 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
 103 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 104                                                         size_t size,
 105                                                         struct sg_table *sg);
 106 int radeon_gem_prime_pin(struct drm_gem_object *obj);
 107 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
 108 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
 109 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 110
 111 #if defined(CONFIG_DEBUG_FS)
 112 int radeon_debugfs_init(struct drm_minor *minor);
 113 void radeon_debugfs_cleanup(struct drm_minor *minor);
 114 #endif
 115
 116 /* atpx handler */
 117 #if defined(CONFIG_VGA_SWITCHEROO)
 118 void radeon_register_atpx_handler(void);
 119 void radeon_unregister_atpx_handler(void);
 120 #else
 121 static inline void radeon_register_atpx_handler(void) {}
 122 static inline void radeon_unregister_atpx_handler(void) {}
 123 #endif
 124
 125 int radeon_no_wb;
 126 int radeon_modeset = 1;
 127 int radeon_dynclks = -1;
 128 int radeon_r4xx_atom = 0;
 129 int radeon_agpmode = 0;
 130 int radeon_vram_limit = 0;
 131 int radeon_gart_size = -1; /* auto */
 132 int radeon_benchmarking = 0;
 133 int radeon_testing = 0;
 134 int radeon_connector_table = 0;
 135 int radeon_tv = 1;
 136 int radeon_audio = -1;
 137 int radeon_disp_priority = 0;
 138 int radeon_hw_i2c = 0;
 139 int radeon_pcie_gen2 = -1;
 140 int radeon_msi = -1;
 141 int radeon_lockup_timeout = 10000;
 142 int radeon_fastfb = 0;
 143 int radeon_dpm = -1;
 144 int radeon_aspm = -1;
 145
 146 TUNABLE_INT("drm.radeon.no_wb", &radeon_no_wb);
 147 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 148 module_param_named(no_wb, radeon_no_wb, int, 0444);
 149
 150 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 151 module_param_named(modeset, radeon_modeset, int, 0400);
 152
 153 TUNABLE_INT("drm.radeon.dynclks", &radeon_dynclks);
 154 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 155 module_param_named(dynclks, radeon_dynclks, int, 0444);
 156
 157 TUNABLE_INT("drm.radeon.r4xx_atom", &radeon_r4xx_atom);
 158 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 159 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 160
 161 TUNABLE_INT("drm.radeon.vram_limit", &radeon_vram_limit);
 162 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 163 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 164
 165 TUNABLE_INT("drm.radeon.agpmode", &radeon_agpmode);
 166 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 167 module_param_named(agpmode, radeon_agpmode, int, 0444);
 168
 169 TUNABLE_INT("drm.radeon.gart_size", &radeon_gart_size);
 170 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
 171 module_param_named(gartsize, radeon_gart_size, int, 0600);
 172
 173 TUNABLE_INT("drm.radeon.benchmarking", &radeon_benchmarking);
 174 MODULE_PARM_DESC(benchmark, "Run benchmark");
 175 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 176
 177 TUNABLE_INT("drm.radeon.testing", &radeon_testing);
 178 MODULE_PARM_DESC(test, "Run tests");
 179 module_param_named(test, radeon_testing, int, 0444);
 180
 181 TUNABLE_INT("drm.radeon.connector_table", &radeon_connector_table);
 182 MODULE_PARM_DESC(connector_table, "Force connector table");
 183 module_param_named(connector_table, radeon_connector_table, int, 0444);
 184
 185 TUNABLE_INT("drm.radeon.tv", &radeon_tv);
 186 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 187 module_param_named(tv, radeon_tv, int, 0444);
 188
 189 TUNABLE_INT("drm.radeon.audio", &radeon_audio);
 190 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
 191 module_param_named(audio, radeon_audio, int, 0444);
 192
 193 TUNABLE_INT("drm.radeon.disp_priority", &radeon_disp_priority);
 194 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
 195 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
 196
 197 TUNABLE_INT("drm.radeon.hw_i2c", &radeon_hw_i2c);
 198 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
 199 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
 200
 201 TUNABLE_INT("drm.radeon.pcie_gen2", &radeon_pcie_gen2);
 202 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
 203 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
 204
 205 TUNABLE_INT("drm.radeon.msi", &radeon_msi);
 206 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
 207 module_param_named(msi, radeon_msi, int, 0444);
 208
 209 TUNABLE_INT("drm.radeon.lockup_timeout", &radeon_lockup_timeout);
 210 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
 211 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
 212
 213 TUNABLE_INT("drm.radeon.fastfb", &radeon_fastfb);
 214 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
 215 module_param_named(fastfb, radeon_fastfb, int, 0444);
 216
 217 TUNABLE_INT("drm.radeon.dpm", &radeon_dpm);
 218 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
 219 module_param_named(dpm, radeon_dpm, int, 0444);
 220
 221 TUNABLE_INT("drm.radeon.aspm", &radeon_aspm);
 222 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
 223 module_param_named(aspm, radeon_aspm, int, 0444);
 224
 225 static drm_pci_id_list_t pciidlist[] = {
 226         radeon_PCI_IDS
 227 };
 228
 229 #ifdef CONFIG_DRM_RADEON_UMS
 230
 231 #ifdef DUMBBELL_WIP
 232
 233 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 234 {
 235         drm_radeon_private_t *dev_priv = dev->dev_private;
 236
 237         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 238                 return 0;
 239
 240         /* Disable *all* interrupts */
 241         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 242                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 243         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 244         return 0;
 245 }
 246
 247 static int radeon_resume(struct drm_device *dev)
 248 {
 249         drm_radeon_private_t *dev_priv = dev->dev_private;
 250
 251         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 252                 return 0;
 253
 254         /* Restore interrupt registers */
 255         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 256                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 257         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 258         return 0;
 259 }
 260 #endif /* DUMBBELL_WIP */
 261
 262 #ifdef DUMBBELL_WIP
 263 static const struct file_operations radeon_driver_old_fops = {
 264         .owner = THIS_MODULE,
 265         .open = drm_open,
 266         .release = drm_release,
 267         .unlocked_ioctl = drm_ioctl,
 268         .mmap = drm_mmap,
 269         .poll = drm_poll,
 270         .read = drm_read,
 271 #ifdef CONFIG_COMPAT
 272         .compat_ioctl = radeon_compat_ioctl,
 273 #endif
 274         .llseek = noop_llseek,
 275 };
 276
 277 static struct drm_driver driver_old = {
 278         .driver_features =
 279             DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 280             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 281         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 282         .load = radeon_driver_load,
 283         .firstopen = radeon_driver_firstopen,
 284         .open = radeon_driver_open,
 285         .preclose = radeon_driver_preclose,
 286         .postclose = radeon_driver_postclose,
 287         .lastclose = radeon_driver_lastclose,
 288         .unload = radeon_driver_unload,
 289 #ifdef DUMBBELL_WIP
 290         .suspend = radeon_suspend,
 291         .resume = radeon_resume,
 292 #endif /* DUMBBELL_WIP */
 293         .get_vblank_counter = radeon_get_vblank_counter,
 294         .enable_vblank = radeon_enable_vblank,
 295         .disable_vblank = radeon_disable_vblank,
 296         .master_create = radeon_master_create,
 297         .master_destroy = radeon_master_destroy,
 298         .irq_preinstall = radeon_driver_irq_preinstall,
 299         .irq_postinstall = radeon_driver_irq_postinstall,
 300         .irq_uninstall = radeon_driver_irq_uninstall,
 301         .irq_handler = radeon_driver_irq_handler,
 302         .ioctls = radeon_ioctls,
 303         .dma_ioctl = radeon_cp_buffers,
 304         .fops = &radeon_driver_old_fops,
 305         .name = DRIVER_NAME,
 306         .desc = DRIVER_DESC,
 307         .date = DRIVER_DATE,
 308         .major = DRIVER_MAJOR,
 309         .minor = DRIVER_MINOR,
 310         .patchlevel = DRIVER_PATCHLEVEL,
 311 };
 312 #endif /* DUMBBELL_WIP */
 313
 314 #endif
 315
 316 static struct drm_driver kms_driver;
 317
 318 #ifdef DUMBBELL_WIP
 319 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
 320 {
 321         struct apertures_struct *ap;
 322         bool primary = false;
 323
 324         ap = alloc_apertures(1);
 325         if (!ap)
 326                 return -ENOMEM;
 327
 328         ap->ranges[0].base = pci_resource_start(pdev, 0);
 329         ap->ranges[0].size = pci_resource_len(pdev, 0);
 330
 331 #ifdef CONFIG_X86
 332         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 333 #endif
 334         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
 335         kfree(ap);
 336
 337         return 0;
 338 }
 339
 340 static int radeon_pci_probe(struct pci_dev *pdev,
 341                             const struct pci_device_id *ent)
 342 {
 343         int ret;
 344
 345         /* Get rid of things like offb */
 346         ret = radeon_kick_out_firmware_fb(pdev);
 347         if (ret)
 348                 return ret;
 349
 350         return drm_get_pci_dev(pdev, ent, &kms_driver);
 351 }
 352
 353 static void
 354 radeon_pci_remove(struct pci_dev *pdev)
 355 {
 356         struct drm_device *dev = pci_get_drvdata(pdev);
 357
 358         drm_put_dev(dev);
 359 }
 360
 361 static int
 362 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 363 {
 364         struct drm_device *dev = pci_get_drvdata(pdev);
 365         return radeon_suspend_kms(dev, state);
 366 }
 367
 368 static int
 369 radeon_pci_resume(struct pci_dev *pdev)
 370 {
 371         struct drm_device *dev = pci_get_drvdata(pdev);
 372         return radeon_resume_kms(dev);
 373 }
 374
 375 static const struct file_operations radeon_driver_kms_fops = {
 376         .owner = THIS_MODULE,
 377         .open = drm_open,
 378         .release = drm_release,
 379         .unlocked_ioctl = drm_ioctl,
 380         .mmap = radeon_mmap,
 381         .poll = drm_poll,
 382         .read = drm_read,
 383 #ifdef CONFIG_COMPAT
 384         .compat_ioctl = radeon_kms_compat_ioctl,
 385 #endif
 386 };
 387 #endif /* DUMBBELL_WIP */
 388
 389 static struct drm_driver kms_driver = {
 390         .driver_features =
 391             DRIVER_USE_AGP |
 392             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 393             DRIVER_PRIME | DRIVER_RENDER,
 394 #ifdef DUMBBELL_WIP
 395         .dev_priv_size = 0,
 396 #endif /* DUMBBELL_WIP */
 397         .load = radeon_driver_load_kms,
 398         .use_msi = radeon_msi_ok,
 399         .open = radeon_driver_open_kms,
 400         .preclose = radeon_driver_preclose_kms,
 401         .postclose = radeon_driver_postclose_kms,
 402         .lastclose = radeon_driver_lastclose_kms,
 403         .unload = radeon_driver_unload_kms,
 404 #ifdef DUMBBELL_WIP
 405         .suspend = radeon_suspend_kms,
 406         .resume = radeon_resume_kms,
 407 #endif /* DUMBBELL_WIP */
 408         .get_vblank_counter = radeon_get_vblank_counter_kms,
 409         .enable_vblank = radeon_enable_vblank_kms,
 410         .disable_vblank = radeon_disable_vblank_kms,
 411         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
 412         .get_scanout_position = radeon_get_crtc_scanoutpos,
 413         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 414         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 415         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 416         .irq_handler = radeon_driver_irq_handler_kms,
 417         .ioctls = radeon_ioctls_kms,
 418         .gem_free_object = radeon_gem_object_free,
 419         .gem_open_object = radeon_gem_object_open,
 420         .gem_close_object = radeon_gem_object_close,
 421         .dumb_create = radeon_mode_dumb_create,
 422         .dumb_map_offset = radeon_mode_dumb_mmap,
 423         .dumb_destroy = drm_gem_dumb_destroy,
 424 #ifdef DUMBBELL_WIP
 425         .fops = &radeon_driver_kms_fops,
 426 #endif /* DUMBBELL_WIP */
 427
 428 #ifdef DUMBBELL_WIP
 429         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 430         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 431         .gem_prime_export = drm_gem_prime_export,
 432         .gem_prime_import = drm_gem_prime_import,
 433         .gem_prime_pin = radeon_gem_prime_pin,
 434         .gem_prime_unpin = radeon_gem_prime_unpin,
 435         .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
 436         .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
 437         .gem_prime_vmap = radeon_gem_prime_vmap,
 438         .gem_prime_vunmap = radeon_gem_prime_vunmap,
 439 #endif /* DUMBBELL_WIP */
 440
 441         .name = DRIVER_NAME,
 442         .desc = DRIVER_DESC,
 443         .date = DRIVER_DATE,
 444         .major = KMS_DRIVER_MAJOR,
 445         .minor = KMS_DRIVER_MINOR,
 446         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 447 };
 448
 449 #ifdef DUMBBELL_WIP
 450 static int __init radeon_init(void)
 451 {
 452         if (radeon_modeset == 1) {
 453                 DRM_INFO("radeon kernel modesetting enabled.\n");
 454                 driver = &kms_driver;
 455                 pdriver = &radeon_kms_pci_driver;
 456                 driver->driver_features |= DRIVER_MODESET;
 457                 driver->num_ioctls = radeon_max_kms_ioctl;
 458                 radeon_register_atpx_handler();
 459
 460         } else {
 461 #ifdef CONFIG_DRM_RADEON_UMS
 462                 DRM_INFO("radeon userspace modesetting enabled.\n");
 463                 driver = &driver_old;
 464                 pdriver = &radeon_pci_driver;
 465                 driver->driver_features &= ~DRIVER_MODESET;
 466                 driver->num_ioctls = radeon_max_ioctl;
 467 #else
 468                 DRM_ERROR("No UMS support in radeon module!\n");
 469                 return -EINVAL;
 470 #endif
 471         }
 472
 473         /* let modprobe override vga console setting */
 474         return drm_pci_init(driver, pdriver);
 475 }
 476
 477 static void __exit radeon_exit(void)
 478 {
 479         drm_pci_exit(driver, pdriver);
 480         radeon_unregister_atpx_handler();
 481 }
 482 #endif /* DUMBBELL_WIP */
 483
 484 /* =================================================================== */
 485
 486 static int
 487 radeon_probe(device_t kdev)
 488 {
 489
 490         return drm_probe(kdev, pciidlist);
 491 }
 492
 493 static int
 494 radeon_attach(device_t kdev)
 495 {
 496         struct drm_device *dev;
 497
 498         dev = device_get_softc(kdev);
 499         if (radeon_modeset == 1) {
 500                 kms_driver.driver_features |= DRIVER_MODESET;
 501                 kms_driver.num_ioctls = radeon_max_kms_ioctl;
 502                 radeon_register_atpx_handler();
 503         }
 504         dev->driver = &kms_driver;
 505         return (drm_attach(kdev, pciidlist));
 506 }
 507
 508 static int
 509 radeon_suspend(device_t kdev)
 510 {
 511         struct drm_device *dev;
 512         int ret;
 513
 514         dev = device_get_softc(kdev);
 515         ret = radeon_suspend_kms(dev);
 516
 517         return (-ret);
 518 }
 519
 520 static int
 521 radeon_resume(device_t kdev)
 522 {
 523         struct drm_device *dev;
 524         int ret;
 525
 526         dev = device_get_softc(kdev);
 527         ret = radeon_resume_kms(dev);
 528
 529         return (-ret);
 530 }
 531
 532 static device_method_t radeon_methods[] = {
 533         /* Device interface */
 534         DEVMETHOD(device_probe,         radeon_probe),
 535         DEVMETHOD(device_attach,        radeon_attach),
 536         DEVMETHOD(device_suspend,       radeon_suspend),
 537         DEVMETHOD(device_resume,        radeon_resume),
 538         DEVMETHOD(device_detach,        drm_release),
 539         DEVMETHOD_END
 540 };
 541
 542 static driver_t radeon_driver = {
 543         "drm",
 544         radeon_methods,
 545         sizeof(struct drm_device)
 546 };
 547
 548 extern devclass_t drm_devclass;
 549 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
 550     NULL, NULL, SI_ORDER_ANY);
 551 MODULE_DEPEND(radeonkms, drm, 1, 1, 1);
 552 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
 553 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
 554 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
 555 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);