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 <drm/drmP.h>
33 #include <drm/radeon_drm.h>
34 #include "radeon_drv.h"
35 
36 #include <drm/drm_pciids.h>
37 #include <linux/console.h>
38 #include <linux/module.h>
39 #include <linux/pm_runtime.h>
40 #include <linux/vga_switcheroo.h>
41 #include "drm_crtc_helper.h"
42 /*
43  * KMS wrapper.
44  * - 2.0.0 - initial interface
45  * - 2.1.0 - add square tiling interface
46  * - 2.2.0 - add r6xx/r7xx const buffer support
47  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
48  * - 2.4.0 - add crtc id query
49  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
50  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
51  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
52  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
53  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
54  *   2.10.0 - fusion 2D tiling
55  *   2.11.0 - backend map, initial compute support for the CS checker
56  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
57  *   2.13.0 - virtual memory support, streamout
58  *   2.14.0 - add evergreen tiling informations
59  *   2.15.0 - add max_pipes query
60  *   2.16.0 - fix evergreen 2D tiled surface calculation
61  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
62  *   2.18.0 - r600-eg: allow "invalid" DB formats
63  *   2.19.0 - r600-eg: MSAA textures
64  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
65  *   2.21.0 - r600-r700: FMASK and CMASK
66  *   2.22.0 - r600 only: RESOLVE_BOX allowed
67  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
68  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
69  *   2.25.0 - eg+: new info request for num SE and num SH
70  *   2.26.0 - r600-eg: fix htile size computation
71  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
72  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
73  *   2.29.0 - R500 FP16 color clear registers
74  *   2.30.0 - fix for FMASK texturing
75  *   2.31.0 - Add fastfb support for rs690
76  *   2.32.0 - new info request for rings working
77  *   2.33.0 - Add SI tiling mode array query
78  *   2.34.0 - Add CIK tiling mode array query
79  *   2.35.0 - Add CIK macrotile mode array query
80  *   2.36.0 - Fix CIK DCE tiling setup
81  */
82 #define KMS_DRIVER_MAJOR	2
83 #define KMS_DRIVER_MINOR	36
84 #define KMS_DRIVER_PATCHLEVEL	0
85 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
86 int radeon_driver_unload_kms(struct drm_device *dev);
87 void radeon_driver_lastclose_kms(struct drm_device *dev);
88 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
89 void radeon_driver_postclose_kms(struct drm_device *dev,
90 				 struct drm_file *file_priv);
91 void radeon_driver_preclose_kms(struct drm_device *dev,
92 				struct drm_file *file_priv);
93 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
94 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
95 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
96 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
97 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
98 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
99 				    int *max_error,
100 				    struct timeval *vblank_time,
101 				    unsigned flags);
102 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
103 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
104 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
105 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
106 void radeon_gem_object_free(struct drm_gem_object *obj);
107 int radeon_gem_object_open(struct drm_gem_object *obj,
108 				struct drm_file *file_priv);
109 void radeon_gem_object_close(struct drm_gem_object *obj,
110 				struct drm_file *file_priv);
111 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
112 				      unsigned int flags,
113 				      int *vpos, int *hpos, ktime_t *stime,
114 				      ktime_t *etime);
115 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
116 extern int radeon_max_kms_ioctl;
117 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
118 int radeon_mode_dumb_mmap(struct drm_file *filp,
119 			  struct drm_device *dev,
120 			  uint32_t handle, uint64_t *offset_p);
121 int radeon_mode_dumb_create(struct drm_file *file_priv,
122 			    struct drm_device *dev,
123 			    struct drm_mode_create_dumb *args);
124 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
125 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
126 							size_t size,
127 							struct sg_table *sg);
128 int radeon_gem_prime_pin(struct drm_gem_object *obj);
129 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
130 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
131 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
132 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
133 				    unsigned long arg);
134 
135 #if defined(CONFIG_DEBUG_FS)
136 int radeon_debugfs_init(struct drm_minor *minor);
137 void radeon_debugfs_cleanup(struct drm_minor *minor);
138 #endif
139 
140 /* atpx handler */
141 #if defined(CONFIG_VGA_SWITCHEROO)
142 void radeon_register_atpx_handler(void);
143 void radeon_unregister_atpx_handler(void);
144 bool radeon_is_px(void);
145 #else
146 static inline void radeon_register_atpx_handler(void) {}
147 static inline void radeon_unregister_atpx_handler(void) {}
148 static inline bool radeon_is_px(void) { return false; }
149 #endif
150 
151 int radeon_no_wb;
152 int radeon_modeset = -1;
153 int radeon_dynclks = -1;
154 int radeon_r4xx_atom = 0;
155 int radeon_agpmode = 0;
156 int radeon_vram_limit = 0;
157 int radeon_gart_size = -1; /* auto */
158 int radeon_benchmarking = 0;
159 int radeon_testing = 0;
160 int radeon_connector_table = 0;
161 int radeon_tv = 1;
162 int radeon_audio = -1;
163 int radeon_disp_priority = 0;
164 int radeon_hw_i2c = 0;
165 int radeon_pcie_gen2 = -1;
166 int radeon_msi = -1;
167 int radeon_lockup_timeout = 10000;
168 int radeon_fastfb = 0;
169 int radeon_dpm = -1;
170 int radeon_aspm = -1;
171 int radeon_runtime_pm = -1;
172 int radeon_hard_reset = 0;
173 
174 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
175 module_param_named(no_wb, radeon_no_wb, int, 0444);
176 
177 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
178 module_param_named(modeset, radeon_modeset, int, 0400);
179 
180 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
181 module_param_named(dynclks, radeon_dynclks, int, 0444);
182 
183 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
184 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
185 
186 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
187 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
188 
189 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
190 module_param_named(agpmode, radeon_agpmode, int, 0444);
191 
192 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
193 module_param_named(gartsize, radeon_gart_size, int, 0600);
194 
195 MODULE_PARM_DESC(benchmark, "Run benchmark");
196 module_param_named(benchmark, radeon_benchmarking, int, 0444);
197 
198 MODULE_PARM_DESC(test, "Run tests");
199 module_param_named(test, radeon_testing, int, 0444);
200 
201 MODULE_PARM_DESC(connector_table, "Force connector table");
202 module_param_named(connector_table, radeon_connector_table, int, 0444);
203 
204 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
205 module_param_named(tv, radeon_tv, int, 0444);
206 
207 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
208 module_param_named(audio, radeon_audio, int, 0444);
209 
210 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
211 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
212 
213 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
214 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
215 
216 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
217 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
218 
219 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
220 module_param_named(msi, radeon_msi, int, 0444);
221 
222 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
223 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
224 
225 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
226 module_param_named(fastfb, radeon_fastfb, int, 0444);
227 
228 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
229 module_param_named(dpm, radeon_dpm, int, 0444);
230 
231 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
232 module_param_named(aspm, radeon_aspm, int, 0444);
233 
234 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
235 module_param_named(runpm, radeon_runtime_pm, int, 0444);
236 
237 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
238 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
239 
240 static struct pci_device_id pciidlist[] = {
241 	radeon_PCI_IDS
242 };
243 
244 MODULE_DEVICE_TABLE(pci, pciidlist);
245 
246 #ifdef CONFIG_DRM_RADEON_UMS
247 
248 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
249 {
250 	drm_radeon_private_t *dev_priv = dev->dev_private;
251 
252 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
253 		return 0;
254 
255 	/* Disable *all* interrupts */
256 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
257 		RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
258 	RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
259 	return 0;
260 }
261 
262 static int radeon_resume(struct drm_device *dev)
263 {
264 	drm_radeon_private_t *dev_priv = dev->dev_private;
265 
266 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
267 		return 0;
268 
269 	/* Restore interrupt registers */
270 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
271 		RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
272 	RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
273 	return 0;
274 }
275 
276 
277 static const struct file_operations radeon_driver_old_fops = {
278 	.owner = THIS_MODULE,
279 	.open = drm_open,
280 	.release = drm_release,
281 	.unlocked_ioctl = drm_ioctl,
282 	.mmap = drm_mmap,
283 	.poll = drm_poll,
284 	.read = drm_read,
285 #ifdef CONFIG_COMPAT
286 	.compat_ioctl = radeon_compat_ioctl,
287 #endif
288 	.llseek = noop_llseek,
289 };
290 
291 static struct drm_driver driver_old = {
292 	.driver_features =
293 	    DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
294 	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
295 	.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
296 	.load = radeon_driver_load,
297 	.firstopen = radeon_driver_firstopen,
298 	.open = radeon_driver_open,
299 	.preclose = radeon_driver_preclose,
300 	.postclose = radeon_driver_postclose,
301 	.lastclose = radeon_driver_lastclose,
302 	.unload = radeon_driver_unload,
303 	.suspend = radeon_suspend,
304 	.resume = radeon_resume,
305 	.get_vblank_counter = radeon_get_vblank_counter,
306 	.enable_vblank = radeon_enable_vblank,
307 	.disable_vblank = radeon_disable_vblank,
308 	.master_create = radeon_master_create,
309 	.master_destroy = radeon_master_destroy,
310 	.irq_preinstall = radeon_driver_irq_preinstall,
311 	.irq_postinstall = radeon_driver_irq_postinstall,
312 	.irq_uninstall = radeon_driver_irq_uninstall,
313 	.irq_handler = radeon_driver_irq_handler,
314 	.ioctls = radeon_ioctls,
315 	.dma_ioctl = radeon_cp_buffers,
316 	.fops = &radeon_driver_old_fops,
317 	.name = DRIVER_NAME,
318 	.desc = DRIVER_DESC,
319 	.date = DRIVER_DATE,
320 	.major = DRIVER_MAJOR,
321 	.minor = DRIVER_MINOR,
322 	.patchlevel = DRIVER_PATCHLEVEL,
323 };
324 
325 #endif
326 
327 static struct drm_driver kms_driver;
328 
329 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
330 {
331 	struct apertures_struct *ap;
332 	bool primary = false;
333 
334 	ap = alloc_apertures(1);
335 	if (!ap)
336 		return -ENOMEM;
337 
338 	ap->ranges[0].base = pci_resource_start(pdev, 0);
339 	ap->ranges[0].size = pci_resource_len(pdev, 0);
340 
341 #ifdef CONFIG_X86
342 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
343 #endif
344 	remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
345 	kfree(ap);
346 
347 	return 0;
348 }
349 
350 static int radeon_pci_probe(struct pci_dev *pdev,
351 			    const struct pci_device_id *ent)
352 {
353 	int ret;
354 
355 	/* Get rid of things like offb */
356 	ret = radeon_kick_out_firmware_fb(pdev);
357 	if (ret)
358 		return ret;
359 
360 	return drm_get_pci_dev(pdev, ent, &kms_driver);
361 }
362 
363 static void
364 radeon_pci_remove(struct pci_dev *pdev)
365 {
366 	struct drm_device *dev = pci_get_drvdata(pdev);
367 
368 	drm_put_dev(dev);
369 }
370 
371 static int radeon_pmops_suspend(struct device *dev)
372 {
373 	struct pci_dev *pdev = to_pci_dev(dev);
374 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
375 	return radeon_suspend_kms(drm_dev, true, true);
376 }
377 
378 static int radeon_pmops_resume(struct device *dev)
379 {
380 	struct pci_dev *pdev = to_pci_dev(dev);
381 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
382 	return radeon_resume_kms(drm_dev, true, true);
383 }
384 
385 static int radeon_pmops_freeze(struct device *dev)
386 {
387 	struct pci_dev *pdev = to_pci_dev(dev);
388 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
389 	return radeon_suspend_kms(drm_dev, false, true);
390 }
391 
392 static int radeon_pmops_thaw(struct device *dev)
393 {
394 	struct pci_dev *pdev = to_pci_dev(dev);
395 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
396 	return radeon_resume_kms(drm_dev, false, true);
397 }
398 
399 static int radeon_pmops_runtime_suspend(struct device *dev)
400 {
401 	struct pci_dev *pdev = to_pci_dev(dev);
402 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
403 	int ret;
404 
405 	if (radeon_runtime_pm == 0)
406 		return -EINVAL;
407 
408 	if (radeon_runtime_pm == -1 && !radeon_is_px())
409 		return -EINVAL;
410 
411 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
412 	drm_kms_helper_poll_disable(drm_dev);
413 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
414 
415 	ret = radeon_suspend_kms(drm_dev, false, false);
416 	pci_save_state(pdev);
417 	pci_disable_device(pdev);
418 	pci_set_power_state(pdev, PCI_D3cold);
419 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
420 
421 	return 0;
422 }
423 
424 static int radeon_pmops_runtime_resume(struct device *dev)
425 {
426 	struct pci_dev *pdev = to_pci_dev(dev);
427 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
428 	int ret;
429 
430 	if (radeon_runtime_pm == 0)
431 		return -EINVAL;
432 
433 	if (radeon_runtime_pm == -1 && !radeon_is_px())
434 		return -EINVAL;
435 
436 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
437 
438 	pci_set_power_state(pdev, PCI_D0);
439 	pci_restore_state(pdev);
440 	ret = pci_enable_device(pdev);
441 	if (ret)
442 		return ret;
443 	pci_set_master(pdev);
444 
445 	ret = radeon_resume_kms(drm_dev, false, false);
446 	drm_kms_helper_poll_enable(drm_dev);
447 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
448 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
449 	return 0;
450 }
451 
452 static int radeon_pmops_runtime_idle(struct device *dev)
453 {
454 	struct pci_dev *pdev = to_pci_dev(dev);
455 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
456 	struct drm_crtc *crtc;
457 
458 	if (radeon_runtime_pm == 0)
459 		return -EBUSY;
460 
461 	/* are we PX enabled? */
462 	if (radeon_runtime_pm == -1 && !radeon_is_px()) {
463 		DRM_DEBUG_DRIVER("failing to power off - not px\n");
464 		return -EBUSY;
465 	}
466 
467 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
468 		if (crtc->enabled) {
469 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
470 			return -EBUSY;
471 		}
472 	}
473 
474 	pm_runtime_mark_last_busy(dev);
475 	pm_runtime_autosuspend(dev);
476 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
477 	return 1;
478 }
479 
480 long radeon_drm_ioctl(struct file *filp,
481 		      unsigned int cmd, unsigned long arg)
482 {
483 	struct drm_file *file_priv = filp->private_data;
484 	struct drm_device *dev;
485 	long ret;
486 	dev = file_priv->minor->dev;
487 	ret = pm_runtime_get_sync(dev->dev);
488 	if (ret < 0)
489 		return ret;
490 
491 	ret = drm_ioctl(filp, cmd, arg);
492 
493 	pm_runtime_mark_last_busy(dev->dev);
494 	pm_runtime_put_autosuspend(dev->dev);
495 	return ret;
496 }
497 
498 static const struct dev_pm_ops radeon_pm_ops = {
499 	.suspend = radeon_pmops_suspend,
500 	.resume = radeon_pmops_resume,
501 	.freeze = radeon_pmops_freeze,
502 	.thaw = radeon_pmops_thaw,
503 	.poweroff = radeon_pmops_freeze,
504 	.restore = radeon_pmops_resume,
505 	.runtime_suspend = radeon_pmops_runtime_suspend,
506 	.runtime_resume = radeon_pmops_runtime_resume,
507 	.runtime_idle = radeon_pmops_runtime_idle,
508 };
509 
510 static const struct file_operations radeon_driver_kms_fops = {
511 	.owner = THIS_MODULE,
512 	.open = drm_open,
513 	.release = drm_release,
514 	.unlocked_ioctl = radeon_drm_ioctl,
515 	.mmap = radeon_mmap,
516 	.poll = drm_poll,
517 	.read = drm_read,
518 #ifdef CONFIG_COMPAT
519 	.compat_ioctl = radeon_kms_compat_ioctl,
520 #endif
521 };
522 
523 static struct drm_driver kms_driver = {
524 	.driver_features =
525 	    DRIVER_USE_AGP |
526 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
527 	    DRIVER_PRIME | DRIVER_RENDER,
528 	.dev_priv_size = 0,
529 	.load = radeon_driver_load_kms,
530 	.open = radeon_driver_open_kms,
531 	.preclose = radeon_driver_preclose_kms,
532 	.postclose = radeon_driver_postclose_kms,
533 	.lastclose = radeon_driver_lastclose_kms,
534 	.unload = radeon_driver_unload_kms,
535 	.get_vblank_counter = radeon_get_vblank_counter_kms,
536 	.enable_vblank = radeon_enable_vblank_kms,
537 	.disable_vblank = radeon_disable_vblank_kms,
538 	.get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
539 	.get_scanout_position = radeon_get_crtc_scanoutpos,
540 #if defined(CONFIG_DEBUG_FS)
541 	.debugfs_init = radeon_debugfs_init,
542 	.debugfs_cleanup = radeon_debugfs_cleanup,
543 #endif
544 	.irq_preinstall = radeon_driver_irq_preinstall_kms,
545 	.irq_postinstall = radeon_driver_irq_postinstall_kms,
546 	.irq_uninstall = radeon_driver_irq_uninstall_kms,
547 	.irq_handler = radeon_driver_irq_handler_kms,
548 	.ioctls = radeon_ioctls_kms,
549 	.gem_free_object = radeon_gem_object_free,
550 	.gem_open_object = radeon_gem_object_open,
551 	.gem_close_object = radeon_gem_object_close,
552 	.dumb_create = radeon_mode_dumb_create,
553 	.dumb_map_offset = radeon_mode_dumb_mmap,
554 	.dumb_destroy = drm_gem_dumb_destroy,
555 	.fops = &radeon_driver_kms_fops,
556 
557 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
558 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
559 	.gem_prime_export = drm_gem_prime_export,
560 	.gem_prime_import = drm_gem_prime_import,
561 	.gem_prime_pin = radeon_gem_prime_pin,
562 	.gem_prime_unpin = radeon_gem_prime_unpin,
563 	.gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
564 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
565 	.gem_prime_vmap = radeon_gem_prime_vmap,
566 	.gem_prime_vunmap = radeon_gem_prime_vunmap,
567 
568 	.name = DRIVER_NAME,
569 	.desc = DRIVER_DESC,
570 	.date = DRIVER_DATE,
571 	.major = KMS_DRIVER_MAJOR,
572 	.minor = KMS_DRIVER_MINOR,
573 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
574 };
575 
576 static struct drm_driver *driver;
577 static struct pci_driver *pdriver;
578 
579 #ifdef CONFIG_DRM_RADEON_UMS
580 static struct pci_driver radeon_pci_driver = {
581 	.name = DRIVER_NAME,
582 	.id_table = pciidlist,
583 };
584 #endif
585 
586 static struct pci_driver radeon_kms_pci_driver = {
587 	.name = DRIVER_NAME,
588 	.id_table = pciidlist,
589 	.probe = radeon_pci_probe,
590 	.remove = radeon_pci_remove,
591 	.driver.pm = &radeon_pm_ops,
592 };
593 
594 static int __init radeon_init(void)
595 {
596 #ifdef CONFIG_VGA_CONSOLE
597 	if (vgacon_text_force() && radeon_modeset == -1) {
598 		DRM_INFO("VGACON disable radeon kernel modesetting.\n");
599 		radeon_modeset = 0;
600 	}
601 #endif
602 	/* set to modesetting by default if not nomodeset */
603 	if (radeon_modeset == -1)
604 		radeon_modeset = 1;
605 
606 	if (radeon_modeset == 1) {
607 		DRM_INFO("radeon kernel modesetting enabled.\n");
608 		driver = &kms_driver;
609 		pdriver = &radeon_kms_pci_driver;
610 		driver->driver_features |= DRIVER_MODESET;
611 		driver->num_ioctls = radeon_max_kms_ioctl;
612 		radeon_register_atpx_handler();
613 
614 	} else {
615 #ifdef CONFIG_DRM_RADEON_UMS
616 		DRM_INFO("radeon userspace modesetting enabled.\n");
617 		driver = &driver_old;
618 		pdriver = &radeon_pci_driver;
619 		driver->driver_features &= ~DRIVER_MODESET;
620 		driver->num_ioctls = radeon_max_ioctl;
621 #else
622 		DRM_ERROR("No UMS support in radeon module!\n");
623 		return -EINVAL;
624 #endif
625 	}
626 
627 	/* let modprobe override vga console setting */
628 	return drm_pci_init(driver, pdriver);
629 }
630 
631 static void __exit radeon_exit(void)
632 {
633 	drm_pci_exit(driver, pdriver);
634 	radeon_unregister_atpx_handler();
635 }
636 
637 module_init(radeon_init);
638 module_exit(radeon_exit);
639 
640 MODULE_AUTHOR(DRIVER_AUTHOR);
641 MODULE_DESCRIPTION(DRIVER_DESC);
642 MODULE_LICENSE("GPL and additional rights");
643