xref: /dragonfly/sys/dev/drm/radeon/radeon_drv.c (revision a4fe36f1)
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 #ifdef PM_TODO
44 #include <linux/pm_runtime.h>
45 #include <linux/vga_switcheroo.h>
46 #endif
47 
48 #include <drm/drm_gem.h>
49 
50 #include "drm/drm_crtc_helper.h"
51 /*
52  * KMS wrapper.
53  * - 2.0.0 - initial interface
54  * - 2.1.0 - add square tiling interface
55  * - 2.2.0 - add r6xx/r7xx const buffer support
56  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
57  * - 2.4.0 - add crtc id query
58  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
59  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
60  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
61  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
62  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
63  *   2.10.0 - fusion 2D tiling
64  *   2.11.0 - backend map, initial compute support for the CS checker
65  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
66  *   2.13.0 - virtual memory support, streamout
67  *   2.14.0 - add evergreen tiling informations
68  *   2.15.0 - add max_pipes query
69  *   2.16.0 - fix evergreen 2D tiled surface calculation
70  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
71  *   2.18.0 - r600-eg: allow "invalid" DB formats
72  *   2.19.0 - r600-eg: MSAA textures
73  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
74  *   2.21.0 - r600-r700: FMASK and CMASK
75  *   2.22.0 - r600 only: RESOLVE_BOX allowed
76  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
77  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
78  *   2.25.0 - eg+: new info request for num SE and num SH
79  *   2.26.0 - r600-eg: fix htile size computation
80  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
81  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
82  *   2.29.0 - R500 FP16 color clear registers
83  *   2.30.0 - fix for FMASK texturing
84  *   2.31.0 - Add fastfb support for rs690
85  *   2.32.0 - new info request for rings working
86  *   2.33.0 - Add SI tiling mode array query
87  *   2.34.0 - Add CIK tiling mode array query
88  *   2.35.0 - Add CIK macrotile mode array query
89  *   2.36.0 - Fix CIK DCE tiling setup
90  *   2.37.0 - allow GS ring setup on r6xx/r7xx
91  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
92  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
93  *   2.39.0 - Add INFO query for number of active CUs
94  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
95  *            CS to GPU on >= r600
96  */
97 #define KMS_DRIVER_MAJOR	2
98 #define KMS_DRIVER_MINOR	40
99 #define KMS_DRIVER_PATCHLEVEL	0
100 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
101 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
102 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
103 				      unsigned int flags,
104 				      int *vpos, int *hpos, ktime_t *stime,
105 				      ktime_t *etime);
106 extern bool radeon_is_px(struct drm_device *dev);
107 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
108 extern int radeon_max_kms_ioctl;
109 #ifdef DUMBBELL_WIP
110 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
111 #endif /* DUMBBELL_WIP */
112 int radeon_mode_dumb_mmap(struct drm_file *filp,
113 			  struct drm_device *dev,
114 			  uint32_t handle, uint64_t *offset_p);
115 int radeon_mode_dumb_create(struct drm_file *file_priv,
116 			    struct drm_device *dev,
117 			    struct drm_mode_create_dumb *args);
118 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
119 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
120 							size_t size,
121 							struct sg_table *sg);
122 int radeon_gem_prime_pin(struct drm_gem_object *obj);
123 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
124 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
125 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
126 
127 #if defined(CONFIG_DEBUG_FS)
128 int radeon_debugfs_init(struct drm_minor *minor);
129 void radeon_debugfs_cleanup(struct drm_minor *minor);
130 #endif
131 
132 /* atpx handler */
133 #if defined(CONFIG_VGA_SWITCHEROO)
134 void radeon_register_atpx_handler(void);
135 void radeon_unregister_atpx_handler(void);
136 #else
137 static inline void radeon_register_atpx_handler(void) {}
138 static inline void radeon_unregister_atpx_handler(void) {}
139 #endif
140 
141 int radeon_no_wb;
142 int radeon_modeset = 1;
143 int radeon_dynclks = -1;
144 int radeon_r4xx_atom = 0;
145 int radeon_agpmode = 0;
146 int radeon_vram_limit = 0;
147 int radeon_gart_size = -1; /* auto */
148 int radeon_benchmarking = 0;
149 int radeon_testing = 0;
150 int radeon_connector_table = 0;
151 int radeon_tv = 1;
152 int radeon_audio = -1;
153 int radeon_disp_priority = 0;
154 int radeon_hw_i2c = 0;
155 int radeon_pcie_gen2 = -1;
156 int radeon_msi = -1;
157 int radeon_lockup_timeout = 10000;
158 int radeon_fastfb = 0;
159 int radeon_dpm = -1;
160 int radeon_aspm = -1;
161 int radeon_runtime_pm = -1;
162 int radeon_hard_reset = 0;
163 int radeon_vm_size = 8;
164 int radeon_vm_block_size = -1;
165 int radeon_deep_color = 0;
166 int radeon_use_pflipirq = 2;
167 int radeon_bapm = -1;
168 int radeon_backlight = -1;
169 
170 TUNABLE_INT("drm.radeon.no_wb", &radeon_no_wb);
171 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
172 module_param_named(no_wb, radeon_no_wb, int, 0444);
173 
174 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
175 module_param_named(modeset, radeon_modeset, int, 0400);
176 
177 TUNABLE_INT("drm.radeon.dynclks", &radeon_dynclks);
178 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
179 module_param_named(dynclks, radeon_dynclks, int, 0444);
180 
181 TUNABLE_INT("drm.radeon.r4xx_atom", &radeon_r4xx_atom);
182 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
183 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
184 
185 TUNABLE_INT("drm.radeon.vram_limit", &radeon_vram_limit);
186 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
187 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
188 
189 TUNABLE_INT("drm.radeon.agpmode", &radeon_agpmode);
190 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
191 module_param_named(agpmode, radeon_agpmode, int, 0444);
192 
193 TUNABLE_INT("drm.radeon.gart_size", &radeon_gart_size);
194 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
195 module_param_named(gartsize, radeon_gart_size, int, 0600);
196 
197 TUNABLE_INT("drm.radeon.benchmarking", &radeon_benchmarking);
198 MODULE_PARM_DESC(benchmark, "Run benchmark");
199 module_param_named(benchmark, radeon_benchmarking, int, 0444);
200 
201 TUNABLE_INT("drm.radeon.testing", &radeon_testing);
202 MODULE_PARM_DESC(test, "Run tests");
203 module_param_named(test, radeon_testing, int, 0444);
204 
205 TUNABLE_INT("drm.radeon.connector_table", &radeon_connector_table);
206 MODULE_PARM_DESC(connector_table, "Force connector table");
207 module_param_named(connector_table, radeon_connector_table, int, 0444);
208 
209 TUNABLE_INT("drm.radeon.tv", &radeon_tv);
210 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
211 module_param_named(tv, radeon_tv, int, 0444);
212 
213 TUNABLE_INT("drm.radeon.audio", &radeon_audio);
214 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
215 module_param_named(audio, radeon_audio, int, 0444);
216 
217 TUNABLE_INT("drm.radeon.disp_priority", &radeon_disp_priority);
218 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
219 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
220 
221 TUNABLE_INT("drm.radeon.hw_i2c", &radeon_hw_i2c);
222 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
223 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
224 
225 TUNABLE_INT("drm.radeon.pcie_gen2", &radeon_pcie_gen2);
226 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
227 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
228 
229 TUNABLE_INT("drm.radeon.msi", &radeon_msi);
230 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
231 module_param_named(msi, radeon_msi, int, 0444);
232 
233 TUNABLE_INT("drm.radeon.lockup_timeout", &radeon_lockup_timeout);
234 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
235 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
236 
237 TUNABLE_INT("drm.radeon.fastfb", &radeon_fastfb);
238 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
239 module_param_named(fastfb, radeon_fastfb, int, 0444);
240 
241 TUNABLE_INT("drm.radeon.dpm", &radeon_dpm);
242 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
243 module_param_named(dpm, radeon_dpm, int, 0444);
244 
245 TUNABLE_INT("drm.radeon.aspm", &radeon_aspm);
246 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
247 module_param_named(aspm, radeon_aspm, int, 0444);
248 
249 TUNABLE_INT("drm.radeon.runtime_pm", &radeon_runtime_pm);	/* careful with this */
250 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
251 module_param_named(runpm, radeon_runtime_pm, int, 0444);
252 
253 TUNABLE_INT("drm.radeon.hard_reset", &radeon_hard_reset);	/* very careful with this */
254 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
255 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
256 
257 TUNABLE_INT("drm.radeon.vm_size", &radeon_vm_size);
258 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
259 module_param_named(vm_size, radeon_vm_size, int, 0444);
260 
261 TUNABLE_INT("drm.radeon.vm_block_size", &radeon_vm_block_size);
262 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
263 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
264 
265 TUNABLE_INT("drm.radeon.deep_color", &radeon_deep_color);
266 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
267 module_param_named(deep_color, radeon_deep_color, int, 0444);
268 
269 TUNABLE_INT("drm.radeon.use_pflipirq", &radeon_use_pflipirq);
270 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
271 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
272 
273 TUNABLE_INT("drm.radeon.bapm", &radeon_bapm);
274 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
275 module_param_named(bapm, radeon_bapm, int, 0444);
276 
277 TUNABLE_INT("drm.radeon.backlight", &radeon_backlight);
278 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
279 module_param_named(backlight, radeon_backlight, int, 0444);
280 
281 static drm_pci_id_list_t pciidlist[] = {
282 	radeon_PCI_IDS
283 };
284 
285 static struct drm_driver kms_driver;
286 
287 #ifdef DUMBBELL_WIP
288 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
289 {
290 	struct apertures_struct *ap;
291 	bool primary = false;
292 
293 	ap = alloc_apertures(1);
294 	if (!ap)
295 		return -ENOMEM;
296 
297 	ap->ranges[0].base = pci_resource_start(pdev, 0);
298 	ap->ranges[0].size = pci_resource_len(pdev, 0);
299 
300 #ifdef CONFIG_X86
301 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
302 #endif
303 	remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
304 	kfree(ap);
305 
306 	return 0;
307 }
308 
309 static int radeon_pci_probe(struct pci_dev *pdev,
310 			    const struct pci_device_id *ent)
311 {
312 	int ret;
313 
314 	/* Get rid of things like offb */
315 	ret = radeon_kick_out_firmware_fb(pdev);
316 	if (ret)
317 		return ret;
318 
319 	return drm_get_pci_dev(pdev, ent, &kms_driver);
320 }
321 
322 static void
323 radeon_pci_remove(struct pci_dev *pdev)
324 {
325 	struct drm_device *dev = pci_get_drvdata(pdev);
326 
327 	drm_put_dev(dev);
328 }
329 
330 static int radeon_pmops_suspend(struct device *dev)
331 {
332 	struct pci_dev *pdev = to_pci_dev(dev);
333 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
334 	return radeon_suspend_kms(drm_dev, true, true);
335 }
336 
337 static int radeon_pmops_resume(struct device *dev)
338 {
339 	struct pci_dev *pdev = to_pci_dev(dev);
340 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
341 	return radeon_resume_kms(drm_dev, true, true);
342 }
343 
344 static int radeon_pmops_freeze(struct device *dev)
345 {
346 	struct pci_dev *pdev = to_pci_dev(dev);
347 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
348 	return radeon_suspend_kms(drm_dev, false, true);
349 }
350 
351 static int radeon_pmops_thaw(struct device *dev)
352 {
353 	struct pci_dev *pdev = to_pci_dev(dev);
354 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
355 	return radeon_resume_kms(drm_dev, false, true);
356 }
357 
358 static int radeon_pmops_runtime_suspend(struct device *dev)
359 {
360 	struct pci_dev *pdev = to_pci_dev(dev);
361 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
362 	int ret;
363 
364 	if (!radeon_is_px(drm_dev)) {
365 #ifdef PM_TODO
366 		pm_runtime_forbid(dev);
367 #endif
368 		return -EBUSY;
369 	}
370 
371 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
372 	drm_kms_helper_poll_disable(drm_dev);
373 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
374 
375 	ret = radeon_suspend_kms(drm_dev, false, false);
376 	pci_save_state(pdev);
377 	pci_disable_device(pdev);
378 	pci_set_power_state(pdev, PCI_D3cold);
379 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
380 
381 	return 0;
382 }
383 
384 static int radeon_pmops_runtime_resume(struct device *dev)
385 {
386 	struct pci_dev *pdev = to_pci_dev(dev);
387 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
388 	int ret;
389 
390 	if (!radeon_is_px(drm_dev))
391 		return -EINVAL;
392 
393 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
394 
395 	pci_set_power_state(pdev, PCI_D0);
396 	pci_restore_state(pdev);
397 	ret = pci_enable_device(pdev);
398 	if (ret)
399 		return ret;
400 	pci_set_master(pdev);
401 
402 	ret = radeon_resume_kms(drm_dev, false, false);
403 	drm_kms_helper_poll_enable(drm_dev);
404 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
405 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
406 	return 0;
407 }
408 
409 static int radeon_pmops_runtime_idle(struct device *dev)
410 {
411 	struct pci_dev *pdev = to_pci_dev(dev);
412 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
413 	struct drm_crtc *crtc;
414 
415 	if (!radeon_is_px(drm_dev)) {
416 #ifdef PM_TODO
417 		pm_runtime_forbid(dev);
418 #endif
419 		return -EBUSY;
420 	}
421 
422 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
423 		if (crtc->enabled) {
424 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
425 			return -EBUSY;
426 		}
427 	}
428 
429 	pm_runtime_mark_last_busy(dev);
430 	pm_runtime_autosuspend(dev);
431 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
432 	return 1;
433 }
434 
435 long radeon_drm_ioctl(struct file *filp,
436 		      unsigned int cmd, unsigned long arg)
437 {
438 	struct drm_file *file_priv = filp->private_data;
439 	struct drm_device *dev;
440 	long ret;
441 	dev = file_priv->minor->dev;
442 	ret = pm_runtime_get_sync(dev->dev);
443 	if (ret < 0)
444 		return ret;
445 
446 	ret = drm_ioctl(filp, cmd, arg);
447 
448 	pm_runtime_mark_last_busy(dev->dev);
449 	pm_runtime_put_autosuspend(dev->dev);
450 	return ret;
451 }
452 
453 static const struct dev_pm_ops radeon_pm_ops = {
454 	.suspend = radeon_pmops_suspend,
455 	.resume = radeon_pmops_resume,
456 	.freeze = radeon_pmops_freeze,
457 	.thaw = radeon_pmops_thaw,
458 	.poweroff = radeon_pmops_freeze,
459 	.restore = radeon_pmops_resume,
460 	.runtime_suspend = radeon_pmops_runtime_suspend,
461 	.runtime_resume = radeon_pmops_runtime_resume,
462 	.runtime_idle = radeon_pmops_runtime_idle,
463 };
464 
465 static const struct file_operations radeon_driver_kms_fops = {
466 	.owner = THIS_MODULE,
467 	.open = drm_open,
468 	.release = drm_release,
469 	.unlocked_ioctl = radeon_drm_ioctl,
470 	.mmap = radeon_mmap,
471 	.poll = drm_poll,
472 	.read = drm_read,
473 #ifdef CONFIG_COMPAT
474 	.compat_ioctl = radeon_kms_compat_ioctl,
475 #endif
476 };
477 #endif /* DUMBBELL_WIP */
478 
479 static int radeon_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx,
480 			      struct sysctl_oid *top)
481 {
482 	return drm_add_busid_modesetting(dev, ctx, top);
483 }
484 
485 static struct drm_driver kms_driver = {
486 	.driver_features =
487 	    DRIVER_USE_AGP |
488 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
489 	    DRIVER_PRIME | DRIVER_RENDER,
490 	.load = radeon_driver_load_kms,
491 	.use_msi = radeon_msi_ok,
492 	.open = radeon_driver_open_kms,
493 	.preclose = radeon_driver_preclose_kms,
494 	.postclose = radeon_driver_postclose_kms,
495 	.lastclose = radeon_driver_lastclose_kms,
496 	.unload = radeon_driver_unload_kms,
497 	.get_vblank_counter = radeon_get_vblank_counter_kms,
498 	.enable_vblank = radeon_enable_vblank_kms,
499 	.disable_vblank = radeon_disable_vblank_kms,
500 	.get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
501 	.get_scanout_position = radeon_get_crtc_scanoutpos,
502 	.irq_preinstall = radeon_driver_irq_preinstall_kms,
503 	.irq_postinstall = radeon_driver_irq_postinstall_kms,
504 	.irq_uninstall = radeon_driver_irq_uninstall_kms,
505 	.irq_handler = radeon_driver_irq_handler_kms,
506 	.sysctl_init = radeon_sysctl_init,
507 	.ioctls = radeon_ioctls_kms,
508 	.gem_free_object = radeon_gem_object_free,
509 	.gem_open_object = radeon_gem_object_open,
510 	.gem_close_object = radeon_gem_object_close,
511 	.dumb_create = radeon_mode_dumb_create,
512 	.dumb_map_offset = radeon_mode_dumb_mmap,
513 	.dumb_destroy = drm_gem_dumb_destroy,
514 #ifdef DUMBBELL_WIP
515 	.fops = &radeon_driver_kms_fops,
516 #endif /* DUMBBELL_WIP */
517 
518 #ifdef DUMBBELL_WIP
519 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
520 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
521 	.gem_prime_export = drm_gem_prime_export,
522 	.gem_prime_import = drm_gem_prime_import,
523 	.gem_prime_pin = radeon_gem_prime_pin,
524 	.gem_prime_unpin = radeon_gem_prime_unpin,
525 	.gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
526 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
527 	.gem_prime_vmap = radeon_gem_prime_vmap,
528 	.gem_prime_vunmap = radeon_gem_prime_vunmap,
529 #endif /* DUMBBELL_WIP */
530 
531 	.name = DRIVER_NAME,
532 	.desc = DRIVER_DESC,
533 	.date = DRIVER_DATE,
534 	.major = KMS_DRIVER_MAJOR,
535 	.minor = KMS_DRIVER_MINOR,
536 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
537 };
538 
539 #ifdef DUMBBELL_WIP
540 static struct drm_driver *driver;
541 static struct pci_driver *pdriver;
542 
543 static struct pci_driver radeon_kms_pci_driver = {
544 	.name = DRIVER_NAME,
545 	.id_table = pciidlist,
546 	.probe = radeon_pci_probe,
547 	.remove = radeon_pci_remove,
548 	.driver.pm = &radeon_pm_ops,
549 };
550 
551 static int __init radeon_init(void)
552 {
553 	if (radeon_modeset == 1) {
554 		DRM_INFO("radeon kernel modesetting enabled.\n");
555 		driver = &kms_driver;
556 		pdriver = &radeon_kms_pci_driver;
557 		driver->driver_features |= DRIVER_MODESET;
558 		driver->num_ioctls = radeon_max_kms_ioctl;
559 		radeon_register_atpx_handler();
560 
561 	} else {
562 		DRM_ERROR("No UMS support in radeon module!\n");
563 		return -EINVAL;
564 	}
565 
566 	/* let modprobe override vga console setting */
567 	return drm_pci_init(driver, pdriver);
568 }
569 
570 static void __exit radeon_exit(void)
571 {
572 	drm_pci_exit(driver, pdriver);
573 	radeon_unregister_atpx_handler();
574 }
575 #endif /* DUMBBELL_WIP */
576 
577 /* =================================================================== */
578 
579 static int
580 radeon_probe(device_t kdev)
581 {
582 
583 	return drm_probe(kdev, pciidlist);
584 }
585 
586 static int
587 radeon_attach(device_t kdev)
588 {
589 	struct drm_device *dev;
590 
591 	dev = device_get_softc(kdev);
592 	if (radeon_modeset == 1) {
593 		kms_driver.driver_features |= DRIVER_MODESET;
594 		kms_driver.num_ioctls = radeon_max_kms_ioctl;
595 		radeon_register_atpx_handler();
596 	}
597 	dev->driver = &kms_driver;
598 	return (drm_attach(kdev, pciidlist));
599 }
600 
601 static int
602 radeon_suspend(device_t kdev)
603 {
604 	struct drm_device *dev;
605 	int ret;
606 
607 	dev = device_get_softc(kdev);
608 	ret = radeon_suspend_kms(dev, true, true);
609 
610 	return (-ret);
611 }
612 
613 static int
614 radeon_resume(device_t kdev)
615 {
616 	struct drm_device *dev;
617 	int ret;
618 
619 	dev = device_get_softc(kdev);
620 	ret = radeon_resume_kms(dev, true, true);
621 
622 	return (-ret);
623 }
624 
625 static device_method_t radeon_methods[] = {
626 	/* Device interface */
627 	DEVMETHOD(device_probe,		radeon_probe),
628 	DEVMETHOD(device_attach,	radeon_attach),
629 	DEVMETHOD(device_suspend,	radeon_suspend),
630 	DEVMETHOD(device_resume,	radeon_resume),
631 	DEVMETHOD(device_detach,	drm_release),
632 	DEVMETHOD_END
633 };
634 
635 static driver_t radeon_driver = {
636 	"drm",
637 	radeon_methods,
638 	sizeof(struct drm_device)
639 };
640 
641 extern devclass_t drm_devclass;
642 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
643     NULL, NULL, SI_ORDER_ANY);
644 MODULE_DEPEND(radeonkms, drm, 1, 1, 1);
645 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
646 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
647 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
648 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);
649 #ifdef CONFIG_ACPI
650 MODULE_DEPEND(radeonkms, acpi, 1, 1, 1);
651 #endif
652