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  *   2.37.0 - allow GS ring setup on r6xx/r7xx
82  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
83  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
84  *   2.39.0 - Add INFO query for number of active CUs
85  */
86 #define KMS_DRIVER_MAJOR	2
87 #define KMS_DRIVER_MINOR	39
88 #define KMS_DRIVER_PATCHLEVEL	0
89 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
90 int radeon_driver_unload_kms(struct drm_device *dev);
91 void radeon_driver_lastclose_kms(struct drm_device *dev);
92 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
93 void radeon_driver_postclose_kms(struct drm_device *dev,
94 				 struct drm_file *file_priv);
95 void radeon_driver_preclose_kms(struct drm_device *dev,
96 				struct drm_file *file_priv);
97 int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
98 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
99 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
100 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
101 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
102 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
103 				    int *max_error,
104 				    struct timeval *vblank_time,
105 				    unsigned flags);
106 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
107 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
108 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
109 irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
110 void radeon_gem_object_free(struct drm_gem_object *obj);
111 int radeon_gem_object_open(struct drm_gem_object *obj,
112 				struct drm_file *file_priv);
113 void radeon_gem_object_close(struct drm_gem_object *obj,
114 				struct drm_file *file_priv);
115 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
116 				      unsigned int flags,
117 				      int *vpos, int *hpos, ktime_t *stime,
118 				      ktime_t *etime);
119 extern bool radeon_is_px(struct drm_device *dev);
120 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
121 extern int radeon_max_kms_ioctl;
122 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
123 int radeon_mode_dumb_mmap(struct drm_file *filp,
124 			  struct drm_device *dev,
125 			  uint32_t handle, uint64_t *offset_p);
126 int radeon_mode_dumb_create(struct drm_file *file_priv,
127 			    struct drm_device *dev,
128 			    struct drm_mode_create_dumb *args);
129 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
130 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
131 							size_t size,
132 							struct sg_table *sg);
133 int radeon_gem_prime_pin(struct drm_gem_object *obj);
134 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
135 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
136 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
137 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
138 				    unsigned long arg);
139 
140 #if defined(CONFIG_DEBUG_FS)
141 int radeon_debugfs_init(struct drm_minor *minor);
142 void radeon_debugfs_cleanup(struct drm_minor *minor);
143 #endif
144 
145 /* atpx handler */
146 #if defined(CONFIG_VGA_SWITCHEROO)
147 void radeon_register_atpx_handler(void);
148 void radeon_unregister_atpx_handler(void);
149 #else
150 static inline void radeon_register_atpx_handler(void) {}
151 static inline void radeon_unregister_atpx_handler(void) {}
152 #endif
153 
154 int radeon_no_wb;
155 int radeon_modeset = -1;
156 int radeon_dynclks = -1;
157 int radeon_r4xx_atom = 0;
158 int radeon_agpmode = 0;
159 int radeon_vram_limit = 0;
160 int radeon_gart_size = -1; /* auto */
161 int radeon_benchmarking = 0;
162 int radeon_testing = 0;
163 int radeon_connector_table = 0;
164 int radeon_tv = 1;
165 int radeon_audio = -1;
166 int radeon_disp_priority = 0;
167 int radeon_hw_i2c = 0;
168 int radeon_pcie_gen2 = -1;
169 int radeon_msi = -1;
170 int radeon_lockup_timeout = 10000;
171 int radeon_fastfb = 0;
172 int radeon_dpm = -1;
173 int radeon_aspm = -1;
174 int radeon_runtime_pm = -1;
175 int radeon_hard_reset = 0;
176 int radeon_vm_size = 4096;
177 int radeon_vm_block_size = 9;
178 
179 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
180 module_param_named(no_wb, radeon_no_wb, int, 0444);
181 
182 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
183 module_param_named(modeset, radeon_modeset, int, 0400);
184 
185 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
186 module_param_named(dynclks, radeon_dynclks, int, 0444);
187 
188 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
189 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
190 
191 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
192 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
193 
194 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
195 module_param_named(agpmode, radeon_agpmode, int, 0444);
196 
197 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
198 module_param_named(gartsize, radeon_gart_size, int, 0600);
199 
200 MODULE_PARM_DESC(benchmark, "Run benchmark");
201 module_param_named(benchmark, radeon_benchmarking, int, 0444);
202 
203 MODULE_PARM_DESC(test, "Run tests");
204 module_param_named(test, radeon_testing, int, 0444);
205 
206 MODULE_PARM_DESC(connector_table, "Force connector table");
207 module_param_named(connector_table, radeon_connector_table, int, 0444);
208 
209 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
210 module_param_named(tv, radeon_tv, int, 0444);
211 
212 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
213 module_param_named(audio, radeon_audio, int, 0444);
214 
215 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
216 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
217 
218 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
219 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
220 
221 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
222 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
223 
224 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
225 module_param_named(msi, radeon_msi, int, 0444);
226 
227 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
228 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
229 
230 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
231 module_param_named(fastfb, radeon_fastfb, int, 0444);
232 
233 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
234 module_param_named(dpm, radeon_dpm, int, 0444);
235 
236 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
237 module_param_named(aspm, radeon_aspm, int, 0444);
238 
239 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
240 module_param_named(runpm, radeon_runtime_pm, int, 0444);
241 
242 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
243 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
244 
245 MODULE_PARM_DESC(vm_size, "VM address space size in megabytes (default 4GB)");
246 module_param_named(vm_size, radeon_vm_size, int, 0444);
247 
248 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default 9)");
249 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
250 
251 static struct pci_device_id pciidlist[] = {
252 	radeon_PCI_IDS
253 };
254 
255 MODULE_DEVICE_TABLE(pci, pciidlist);
256 
257 #ifdef CONFIG_DRM_RADEON_UMS
258 
259 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
260 {
261 	drm_radeon_private_t *dev_priv = dev->dev_private;
262 
263 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
264 		return 0;
265 
266 	/* Disable *all* interrupts */
267 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
268 		RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
269 	RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
270 	return 0;
271 }
272 
273 static int radeon_resume(struct drm_device *dev)
274 {
275 	drm_radeon_private_t *dev_priv = dev->dev_private;
276 
277 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
278 		return 0;
279 
280 	/* Restore interrupt registers */
281 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
282 		RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
283 	RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
284 	return 0;
285 }
286 
287 
288 static const struct file_operations radeon_driver_old_fops = {
289 	.owner = THIS_MODULE,
290 	.open = drm_open,
291 	.release = drm_release,
292 	.unlocked_ioctl = drm_ioctl,
293 	.mmap = drm_mmap,
294 	.poll = drm_poll,
295 	.read = drm_read,
296 #ifdef CONFIG_COMPAT
297 	.compat_ioctl = radeon_compat_ioctl,
298 #endif
299 	.llseek = noop_llseek,
300 };
301 
302 static struct drm_driver driver_old = {
303 	.driver_features =
304 	    DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
305 	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
306 	.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
307 	.load = radeon_driver_load,
308 	.firstopen = radeon_driver_firstopen,
309 	.open = radeon_driver_open,
310 	.preclose = radeon_driver_preclose,
311 	.postclose = radeon_driver_postclose,
312 	.lastclose = radeon_driver_lastclose,
313 	.unload = radeon_driver_unload,
314 	.suspend = radeon_suspend,
315 	.resume = radeon_resume,
316 	.get_vblank_counter = radeon_get_vblank_counter,
317 	.enable_vblank = radeon_enable_vblank,
318 	.disable_vblank = radeon_disable_vblank,
319 	.master_create = radeon_master_create,
320 	.master_destroy = radeon_master_destroy,
321 	.irq_preinstall = radeon_driver_irq_preinstall,
322 	.irq_postinstall = radeon_driver_irq_postinstall,
323 	.irq_uninstall = radeon_driver_irq_uninstall,
324 	.irq_handler = radeon_driver_irq_handler,
325 	.ioctls = radeon_ioctls,
326 	.dma_ioctl = radeon_cp_buffers,
327 	.fops = &radeon_driver_old_fops,
328 	.name = DRIVER_NAME,
329 	.desc = DRIVER_DESC,
330 	.date = DRIVER_DATE,
331 	.major = DRIVER_MAJOR,
332 	.minor = DRIVER_MINOR,
333 	.patchlevel = DRIVER_PATCHLEVEL,
334 };
335 
336 #endif
337 
338 static struct drm_driver kms_driver;
339 
340 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
341 {
342 	struct apertures_struct *ap;
343 	bool primary = false;
344 
345 	ap = alloc_apertures(1);
346 	if (!ap)
347 		return -ENOMEM;
348 
349 	ap->ranges[0].base = pci_resource_start(pdev, 0);
350 	ap->ranges[0].size = pci_resource_len(pdev, 0);
351 
352 #ifdef CONFIG_X86
353 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
354 #endif
355 	remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
356 	kfree(ap);
357 
358 	return 0;
359 }
360 
361 static int radeon_pci_probe(struct pci_dev *pdev,
362 			    const struct pci_device_id *ent)
363 {
364 	int ret;
365 
366 	/* Get rid of things like offb */
367 	ret = radeon_kick_out_firmware_fb(pdev);
368 	if (ret)
369 		return ret;
370 
371 	return drm_get_pci_dev(pdev, ent, &kms_driver);
372 }
373 
374 static void
375 radeon_pci_remove(struct pci_dev *pdev)
376 {
377 	struct drm_device *dev = pci_get_drvdata(pdev);
378 
379 	drm_put_dev(dev);
380 }
381 
382 static int radeon_pmops_suspend(struct device *dev)
383 {
384 	struct pci_dev *pdev = to_pci_dev(dev);
385 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
386 	return radeon_suspend_kms(drm_dev, true, true);
387 }
388 
389 static int radeon_pmops_resume(struct device *dev)
390 {
391 	struct pci_dev *pdev = to_pci_dev(dev);
392 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
393 	return radeon_resume_kms(drm_dev, true, true);
394 }
395 
396 static int radeon_pmops_freeze(struct device *dev)
397 {
398 	struct pci_dev *pdev = to_pci_dev(dev);
399 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
400 	return radeon_suspend_kms(drm_dev, false, true);
401 }
402 
403 static int radeon_pmops_thaw(struct device *dev)
404 {
405 	struct pci_dev *pdev = to_pci_dev(dev);
406 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
407 	return radeon_resume_kms(drm_dev, false, true);
408 }
409 
410 static int radeon_pmops_runtime_suspend(struct device *dev)
411 {
412 	struct pci_dev *pdev = to_pci_dev(dev);
413 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
414 	int ret;
415 
416 	if (!radeon_is_px(drm_dev)) {
417 		pm_runtime_forbid(dev);
418 		return -EBUSY;
419 	}
420 
421 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
422 	drm_kms_helper_poll_disable(drm_dev);
423 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
424 
425 	ret = radeon_suspend_kms(drm_dev, false, false);
426 	pci_save_state(pdev);
427 	pci_disable_device(pdev);
428 	pci_set_power_state(pdev, PCI_D3cold);
429 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
430 
431 	return 0;
432 }
433 
434 static int radeon_pmops_runtime_resume(struct device *dev)
435 {
436 	struct pci_dev *pdev = to_pci_dev(dev);
437 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
438 	int ret;
439 
440 	if (!radeon_is_px(drm_dev))
441 		return -EINVAL;
442 
443 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
444 
445 	pci_set_power_state(pdev, PCI_D0);
446 	pci_restore_state(pdev);
447 	ret = pci_enable_device(pdev);
448 	if (ret)
449 		return ret;
450 	pci_set_master(pdev);
451 
452 	ret = radeon_resume_kms(drm_dev, false, false);
453 	drm_kms_helper_poll_enable(drm_dev);
454 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
455 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
456 	return 0;
457 }
458 
459 static int radeon_pmops_runtime_idle(struct device *dev)
460 {
461 	struct pci_dev *pdev = to_pci_dev(dev);
462 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
463 	struct drm_crtc *crtc;
464 
465 	if (!radeon_is_px(drm_dev)) {
466 		pm_runtime_forbid(dev);
467 		return -EBUSY;
468 	}
469 
470 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
471 		if (crtc->enabled) {
472 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
473 			return -EBUSY;
474 		}
475 	}
476 
477 	pm_runtime_mark_last_busy(dev);
478 	pm_runtime_autosuspend(dev);
479 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
480 	return 1;
481 }
482 
483 long radeon_drm_ioctl(struct file *filp,
484 		      unsigned int cmd, unsigned long arg)
485 {
486 	struct drm_file *file_priv = filp->private_data;
487 	struct drm_device *dev;
488 	long ret;
489 	dev = file_priv->minor->dev;
490 	ret = pm_runtime_get_sync(dev->dev);
491 	if (ret < 0)
492 		return ret;
493 
494 	ret = drm_ioctl(filp, cmd, arg);
495 
496 	pm_runtime_mark_last_busy(dev->dev);
497 	pm_runtime_put_autosuspend(dev->dev);
498 	return ret;
499 }
500 
501 static const struct dev_pm_ops radeon_pm_ops = {
502 	.suspend = radeon_pmops_suspend,
503 	.resume = radeon_pmops_resume,
504 	.freeze = radeon_pmops_freeze,
505 	.thaw = radeon_pmops_thaw,
506 	.poweroff = radeon_pmops_freeze,
507 	.restore = radeon_pmops_resume,
508 	.runtime_suspend = radeon_pmops_runtime_suspend,
509 	.runtime_resume = radeon_pmops_runtime_resume,
510 	.runtime_idle = radeon_pmops_runtime_idle,
511 };
512 
513 static const struct file_operations radeon_driver_kms_fops = {
514 	.owner = THIS_MODULE,
515 	.open = drm_open,
516 	.release = drm_release,
517 	.unlocked_ioctl = radeon_drm_ioctl,
518 	.mmap = radeon_mmap,
519 	.poll = drm_poll,
520 	.read = drm_read,
521 #ifdef CONFIG_COMPAT
522 	.compat_ioctl = radeon_kms_compat_ioctl,
523 #endif
524 };
525 
526 static struct drm_driver kms_driver = {
527 	.driver_features =
528 	    DRIVER_USE_AGP |
529 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
530 	    DRIVER_PRIME | DRIVER_RENDER,
531 	.load = radeon_driver_load_kms,
532 	.open = radeon_driver_open_kms,
533 	.preclose = radeon_driver_preclose_kms,
534 	.postclose = radeon_driver_postclose_kms,
535 	.lastclose = radeon_driver_lastclose_kms,
536 	.unload = radeon_driver_unload_kms,
537 	.get_vblank_counter = radeon_get_vblank_counter_kms,
538 	.enable_vblank = radeon_enable_vblank_kms,
539 	.disable_vblank = radeon_disable_vblank_kms,
540 	.get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
541 	.get_scanout_position = radeon_get_crtc_scanoutpos,
542 #if defined(CONFIG_DEBUG_FS)
543 	.debugfs_init = radeon_debugfs_init,
544 	.debugfs_cleanup = radeon_debugfs_cleanup,
545 #endif
546 	.irq_preinstall = radeon_driver_irq_preinstall_kms,
547 	.irq_postinstall = radeon_driver_irq_postinstall_kms,
548 	.irq_uninstall = radeon_driver_irq_uninstall_kms,
549 	.irq_handler = radeon_driver_irq_handler_kms,
550 	.ioctls = radeon_ioctls_kms,
551 	.gem_free_object = radeon_gem_object_free,
552 	.gem_open_object = radeon_gem_object_open,
553 	.gem_close_object = radeon_gem_object_close,
554 	.dumb_create = radeon_mode_dumb_create,
555 	.dumb_map_offset = radeon_mode_dumb_mmap,
556 	.dumb_destroy = drm_gem_dumb_destroy,
557 	.fops = &radeon_driver_kms_fops,
558 
559 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
560 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
561 	.gem_prime_export = drm_gem_prime_export,
562 	.gem_prime_import = drm_gem_prime_import,
563 	.gem_prime_pin = radeon_gem_prime_pin,
564 	.gem_prime_unpin = radeon_gem_prime_unpin,
565 	.gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
566 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
567 	.gem_prime_vmap = radeon_gem_prime_vmap,
568 	.gem_prime_vunmap = radeon_gem_prime_vunmap,
569 
570 	.name = DRIVER_NAME,
571 	.desc = DRIVER_DESC,
572 	.date = DRIVER_DATE,
573 	.major = KMS_DRIVER_MAJOR,
574 	.minor = KMS_DRIVER_MINOR,
575 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
576 };
577 
578 static struct drm_driver *driver;
579 static struct pci_driver *pdriver;
580 
581 #ifdef CONFIG_DRM_RADEON_UMS
582 static struct pci_driver radeon_pci_driver = {
583 	.name = DRIVER_NAME,
584 	.id_table = pciidlist,
585 };
586 #endif
587 
588 static struct pci_driver radeon_kms_pci_driver = {
589 	.name = DRIVER_NAME,
590 	.id_table = pciidlist,
591 	.probe = radeon_pci_probe,
592 	.remove = radeon_pci_remove,
593 	.driver.pm = &radeon_pm_ops,
594 };
595 
596 static int __init radeon_init(void)
597 {
598 #ifdef CONFIG_VGA_CONSOLE
599 	if (vgacon_text_force() && radeon_modeset == -1) {
600 		DRM_INFO("VGACON disable radeon kernel modesetting.\n");
601 		radeon_modeset = 0;
602 	}
603 #endif
604 	/* set to modesetting by default if not nomodeset */
605 	if (radeon_modeset == -1)
606 		radeon_modeset = 1;
607 
608 	if (radeon_modeset == 1) {
609 		DRM_INFO("radeon kernel modesetting enabled.\n");
610 		driver = &kms_driver;
611 		pdriver = &radeon_kms_pci_driver;
612 		driver->driver_features |= DRIVER_MODESET;
613 		driver->num_ioctls = radeon_max_kms_ioctl;
614 		radeon_register_atpx_handler();
615 
616 	} else {
617 #ifdef CONFIG_DRM_RADEON_UMS
618 		DRM_INFO("radeon userspace modesetting enabled.\n");
619 		driver = &driver_old;
620 		pdriver = &radeon_pci_driver;
621 		driver->driver_features &= ~DRIVER_MODESET;
622 		driver->num_ioctls = radeon_max_ioctl;
623 #else
624 		DRM_ERROR("No UMS support in radeon module!\n");
625 		return -EINVAL;
626 #endif
627 	}
628 
629 	/* let modprobe override vga console setting */
630 	return drm_pci_init(driver, pdriver);
631 }
632 
633 static void __exit radeon_exit(void)
634 {
635 	drm_pci_exit(driver, pdriver);
636 	radeon_unregister_atpx_handler();
637 }
638 
639 module_init(radeon_init);
640 module_exit(radeon_exit);
641 
642 MODULE_AUTHOR(DRIVER_AUTHOR);
643 MODULE_DESCRIPTION(DRIVER_DESC);
644 MODULE_LICENSE("GPL and additional rights");
645