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 
33 #include <linux/compat.h>
34 #include <linux/module.h>
35 #include <linux/pm_runtime.h>
36 #include <linux/vga_switcheroo.h>
37 #include <linux/mmu_notifier.h>
38 #include <linux/pci.h>
39 
40 #include <drm/drm_aperture.h>
41 #include <drm/drm_drv.h>
42 #include <drm/drm_file.h>
43 #include <drm/drm_gem.h>
44 #include <drm/drm_ioctl.h>
45 #include <drm/drm_pciids.h>
46 #include <drm/drm_probe_helper.h>
47 #include <drm/drm_vblank.h>
48 #include <drm/radeon_drm.h>
49 
50 #include "radeon_drv.h"
51 #include "radeon.h"
52 #include "radeon_kms.h"
53 #include "radeon_ttm.h"
54 #include "radeon_device.h"
55 #include "radeon_prime.h"
56 
57 /*
58  * KMS wrapper.
59  * - 2.0.0 - initial interface
60  * - 2.1.0 - add square tiling interface
61  * - 2.2.0 - add r6xx/r7xx const buffer support
62  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
63  * - 2.4.0 - add crtc id query
64  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
65  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
66  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
67  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
68  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
69  *   2.10.0 - fusion 2D tiling
70  *   2.11.0 - backend map, initial compute support for the CS checker
71  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
72  *   2.13.0 - virtual memory support, streamout
73  *   2.14.0 - add evergreen tiling informations
74  *   2.15.0 - add max_pipes query
75  *   2.16.0 - fix evergreen 2D tiled surface calculation
76  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
77  *   2.18.0 - r600-eg: allow "invalid" DB formats
78  *   2.19.0 - r600-eg: MSAA textures
79  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
80  *   2.21.0 - r600-r700: FMASK and CMASK
81  *   2.22.0 - r600 only: RESOLVE_BOX allowed
82  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
83  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
84  *   2.25.0 - eg+: new info request for num SE and num SH
85  *   2.26.0 - r600-eg: fix htile size computation
86  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
87  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
88  *   2.29.0 - R500 FP16 color clear registers
89  *   2.30.0 - fix for FMASK texturing
90  *   2.31.0 - Add fastfb support for rs690
91  *   2.32.0 - new info request for rings working
92  *   2.33.0 - Add SI tiling mode array query
93  *   2.34.0 - Add CIK tiling mode array query
94  *   2.35.0 - Add CIK macrotile mode array query
95  *   2.36.0 - Fix CIK DCE tiling setup
96  *   2.37.0 - allow GS ring setup on r6xx/r7xx
97  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
98  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
99  *   2.39.0 - Add INFO query for number of active CUs
100  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
101  *            CS to GPU on >= r600
102  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
103  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
104  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
105  *   2.44.0 - SET_APPEND_CNT packet3 support
106  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
107  *   2.46.0 - Add PFP_SYNC_ME support on evergreen
108  *   2.47.0 - Add UVD_NO_OP register support
109  *   2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
110  *   2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
111  *   2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
112  */
113 #define KMS_DRIVER_MAJOR	2
114 #define KMS_DRIVER_MINOR	50
115 #define KMS_DRIVER_PATCHLEVEL	0
116 int radeon_suspend_kms(struct drm_device *dev, bool suspend,
117 		       bool fbcon, bool freeze);
118 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
119 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
120 				      unsigned int flags, int *vpos, int *hpos,
121 				      ktime_t *stime, ktime_t *etime,
122 				      const struct drm_display_mode *mode);
123 extern bool radeon_is_px(struct drm_device *dev);
124 int radeon_mode_dumb_mmap(struct drm_file *filp,
125 			  struct drm_device *dev,
126 			  uint32_t handle, uint64_t *offset_p);
127 int radeon_mode_dumb_create(struct drm_file *file_priv,
128 			    struct drm_device *dev,
129 			    struct drm_mode_create_dumb *args);
130 
131 /* atpx handler */
132 #if defined(CONFIG_VGA_SWITCHEROO)
133 void radeon_register_atpx_handler(void);
134 void radeon_unregister_atpx_handler(void);
135 bool radeon_has_atpx_dgpu_power_cntl(void);
136 bool radeon_is_atpx_hybrid(void);
137 #else
138 static inline void radeon_register_atpx_handler(void) {}
139 static inline void radeon_unregister_atpx_handler(void) {}
140 static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
141 static inline bool radeon_is_atpx_hybrid(void) { return false; }
142 #endif
143 
144 int radeon_no_wb;
145 int radeon_modeset = -1;
146 int radeon_dynclks = -1;
147 int radeon_r4xx_atom = 0;
148 int radeon_agpmode = -1;
149 int radeon_vram_limit = 0;
150 int radeon_gart_size = -1; /* auto */
151 int radeon_benchmarking = 0;
152 int radeon_testing = 0;
153 int radeon_connector_table = 0;
154 int radeon_tv = 1;
155 int radeon_audio = -1;
156 int radeon_disp_priority = 0;
157 int radeon_hw_i2c = 0;
158 int radeon_pcie_gen2 = -1;
159 int radeon_msi = -1;
160 int radeon_lockup_timeout = 10000;
161 int radeon_fastfb = 0;
162 int radeon_dpm = -1;
163 int radeon_aspm = -1;
164 int radeon_runtime_pm = -1;
165 int radeon_hard_reset = 0;
166 int radeon_vm_size = 8;
167 int radeon_vm_block_size = -1;
168 int radeon_deep_color = 0;
169 int radeon_use_pflipirq = 2;
170 int radeon_bapm = -1;
171 int radeon_backlight = -1;
172 int radeon_auxch = -1;
173 int radeon_uvd = 1;
174 int radeon_vce = 1;
175 
176 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
177 module_param_named(no_wb, radeon_no_wb, int, 0444);
178 
179 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
180 module_param_named(modeset, radeon_modeset, int, 0400);
181 
182 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
183 module_param_named(dynclks, radeon_dynclks, int, 0444);
184 
185 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
186 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
187 
188 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
189 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
190 
191 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
192 module_param_named(agpmode, radeon_agpmode, int, 0444);
193 
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 MODULE_PARM_DESC(benchmark, "Run benchmark");
198 module_param_named(benchmark, radeon_benchmarking, int, 0444);
199 
200 MODULE_PARM_DESC(test, "Run tests");
201 module_param_named(test, radeon_testing, int, 0444);
202 
203 MODULE_PARM_DESC(connector_table, "Force connector table");
204 module_param_named(connector_table, radeon_connector_table, int, 0444);
205 
206 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
207 module_param_named(tv, radeon_tv, int, 0444);
208 
209 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
210 module_param_named(audio, radeon_audio, int, 0444);
211 
212 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
213 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
214 
215 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
216 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
217 
218 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
219 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
220 
221 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
222 module_param_named(msi, radeon_msi, int, 0444);
223 
224 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)");
225 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
226 
227 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
228 module_param_named(fastfb, radeon_fastfb, int, 0444);
229 
230 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
231 module_param_named(dpm, radeon_dpm, int, 0444);
232 
233 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
234 module_param_named(aspm, radeon_aspm, int, 0444);
235 
236 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
237 module_param_named(runpm, radeon_runtime_pm, int, 0444);
238 
239 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
240 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
241 
242 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
243 module_param_named(vm_size, radeon_vm_size, int, 0444);
244 
245 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
246 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
247 
248 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
249 module_param_named(deep_color, radeon_deep_color, int, 0444);
250 
251 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
252 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
253 
254 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
255 module_param_named(bapm, radeon_bapm, int, 0444);
256 
257 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
258 module_param_named(backlight, radeon_backlight, int, 0444);
259 
260 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
261 module_param_named(auxch, radeon_auxch, int, 0444);
262 
263 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
264 module_param_named(uvd, radeon_uvd, int, 0444);
265 
266 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
267 module_param_named(vce, radeon_vce, int, 0444);
268 
269 int radeon_si_support = 1;
270 MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)");
271 module_param_named(si_support, radeon_si_support, int, 0444);
272 
273 int radeon_cik_support = 1;
274 MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled)");
275 module_param_named(cik_support, radeon_cik_support, int, 0444);
276 
277 static struct pci_device_id pciidlist[] = {
278 	radeon_PCI_IDS
279 };
280 
281 MODULE_DEVICE_TABLE(pci, pciidlist);
282 
283 static const struct drm_driver kms_driver;
284 
285 static int radeon_pci_probe(struct pci_dev *pdev,
286 			    const struct pci_device_id *ent)
287 {
288 	unsigned long flags = 0;
289 	struct drm_device *dev;
290 	int ret;
291 
292 	if (!ent)
293 		return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */
294 
295 	flags = ent->driver_data;
296 
297 	if (!radeon_si_support) {
298 		switch (flags & RADEON_FAMILY_MASK) {
299 		case CHIP_TAHITI:
300 		case CHIP_PITCAIRN:
301 		case CHIP_VERDE:
302 		case CHIP_OLAND:
303 		case CHIP_HAINAN:
304 			dev_info(&pdev->dev,
305 				 "SI support disabled by module param\n");
306 			return -ENODEV;
307 		}
308 	}
309 	if (!radeon_cik_support) {
310 		switch (flags & RADEON_FAMILY_MASK) {
311 		case CHIP_KAVERI:
312 		case CHIP_BONAIRE:
313 		case CHIP_HAWAII:
314 		case CHIP_KABINI:
315 		case CHIP_MULLINS:
316 			dev_info(&pdev->dev,
317 				 "CIK support disabled by module param\n");
318 			return -ENODEV;
319 		}
320 	}
321 
322 	if (vga_switcheroo_client_probe_defer(pdev))
323 		return -EPROBE_DEFER;
324 
325 	/* Get rid of things like offb */
326 	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &kms_driver);
327 	if (ret)
328 		return ret;
329 
330 	dev = drm_dev_alloc(&kms_driver, &pdev->dev);
331 	if (IS_ERR(dev))
332 		return PTR_ERR(dev);
333 
334 	ret = pci_enable_device(pdev);
335 	if (ret)
336 		goto err_free;
337 
338 	pci_set_drvdata(pdev, dev);
339 
340 	ret = drm_dev_register(dev, ent->driver_data);
341 	if (ret)
342 		goto err_agp;
343 
344 	radeon_fbdev_setup(dev->dev_private);
345 
346 	return 0;
347 
348 err_agp:
349 	pci_disable_device(pdev);
350 err_free:
351 	drm_dev_put(dev);
352 	return ret;
353 }
354 
355 static void
356 radeon_pci_remove(struct pci_dev *pdev)
357 {
358 	struct drm_device *dev = pci_get_drvdata(pdev);
359 
360 	drm_put_dev(dev);
361 }
362 
363 static void
364 radeon_pci_shutdown(struct pci_dev *pdev)
365 {
366 	/* if we are running in a VM, make sure the device
367 	 * torn down properly on reboot/shutdown
368 	 */
369 	if (radeon_device_is_virtual())
370 		radeon_pci_remove(pdev);
371 
372 #if defined(CONFIG_PPC64) || defined(CONFIG_MACH_LOONGSON64)
373 	/*
374 	 * Some adapters need to be suspended before a
375 	 * shutdown occurs in order to prevent an error
376 	 * during kexec, shutdown or reboot.
377 	 * Make this power and Loongson specific because
378 	 * it breaks some other boards.
379 	 */
380 	radeon_suspend_kms(pci_get_drvdata(pdev), true, true, false);
381 #endif
382 }
383 
384 static int radeon_pmops_suspend(struct device *dev)
385 {
386 	struct drm_device *drm_dev = dev_get_drvdata(dev);
387 	return radeon_suspend_kms(drm_dev, true, true, false);
388 }
389 
390 static int radeon_pmops_resume(struct device *dev)
391 {
392 	struct drm_device *drm_dev = dev_get_drvdata(dev);
393 
394 	/* GPU comes up enabled by the bios on resume */
395 	if (radeon_is_px(drm_dev)) {
396 		pm_runtime_disable(dev);
397 		pm_runtime_set_active(dev);
398 		pm_runtime_enable(dev);
399 	}
400 
401 	return radeon_resume_kms(drm_dev, true, true);
402 }
403 
404 static int radeon_pmops_freeze(struct device *dev)
405 {
406 	struct drm_device *drm_dev = dev_get_drvdata(dev);
407 	return radeon_suspend_kms(drm_dev, false, true, true);
408 }
409 
410 static int radeon_pmops_thaw(struct device *dev)
411 {
412 	struct drm_device *drm_dev = dev_get_drvdata(dev);
413 	return radeon_resume_kms(drm_dev, false, true);
414 }
415 
416 static int radeon_pmops_runtime_suspend(struct device *dev)
417 {
418 	struct pci_dev *pdev = to_pci_dev(dev);
419 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
420 
421 	if (!radeon_is_px(drm_dev)) {
422 		pm_runtime_forbid(dev);
423 		return -EBUSY;
424 	}
425 
426 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
427 	drm_kms_helper_poll_disable(drm_dev);
428 
429 	radeon_suspend_kms(drm_dev, false, false, false);
430 	pci_save_state(pdev);
431 	pci_disable_device(pdev);
432 	pci_ignore_hotplug(pdev);
433 	if (radeon_is_atpx_hybrid())
434 		pci_set_power_state(pdev, PCI_D3cold);
435 	else if (!radeon_has_atpx_dgpu_power_cntl())
436 		pci_set_power_state(pdev, PCI_D3hot);
437 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
438 
439 	return 0;
440 }
441 
442 static int radeon_pmops_runtime_resume(struct device *dev)
443 {
444 	struct pci_dev *pdev = to_pci_dev(dev);
445 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
446 	int ret;
447 
448 	if (!radeon_is_px(drm_dev))
449 		return -EINVAL;
450 
451 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
452 
453 	if (radeon_is_atpx_hybrid() ||
454 	    !radeon_has_atpx_dgpu_power_cntl())
455 		pci_set_power_state(pdev, PCI_D0);
456 	pci_restore_state(pdev);
457 	ret = pci_enable_device(pdev);
458 	if (ret)
459 		return ret;
460 	pci_set_master(pdev);
461 
462 	ret = radeon_resume_kms(drm_dev, false, false);
463 	drm_kms_helper_poll_enable(drm_dev);
464 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
465 	return 0;
466 }
467 
468 static int radeon_pmops_runtime_idle(struct device *dev)
469 {
470 	struct drm_device *drm_dev = dev_get_drvdata(dev);
471 	struct drm_crtc *crtc;
472 
473 	if (!radeon_is_px(drm_dev)) {
474 		pm_runtime_forbid(dev);
475 		return -EBUSY;
476 	}
477 
478 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
479 		if (crtc->enabled) {
480 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
481 			return -EBUSY;
482 		}
483 	}
484 
485 	pm_runtime_mark_last_busy(dev);
486 	pm_runtime_autosuspend(dev);
487 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
488 	return 1;
489 }
490 
491 long radeon_drm_ioctl(struct file *filp,
492 		      unsigned int cmd, unsigned long arg)
493 {
494 	struct drm_file *file_priv = filp->private_data;
495 	struct drm_device *dev;
496 	long ret;
497 	dev = file_priv->minor->dev;
498 	ret = pm_runtime_get_sync(dev->dev);
499 	if (ret < 0) {
500 		pm_runtime_put_autosuspend(dev->dev);
501 		return ret;
502 	}
503 
504 	ret = drm_ioctl(filp, cmd, arg);
505 
506 	pm_runtime_mark_last_busy(dev->dev);
507 	pm_runtime_put_autosuspend(dev->dev);
508 	return ret;
509 }
510 
511 #ifdef CONFIG_COMPAT
512 static long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
513 {
514 	unsigned int nr = DRM_IOCTL_NR(cmd);
515 
516 	if (nr < DRM_COMMAND_BASE)
517 		return drm_compat_ioctl(filp, cmd, arg);
518 
519 	return radeon_drm_ioctl(filp, cmd, arg);
520 }
521 #endif
522 
523 static const struct dev_pm_ops radeon_pm_ops = {
524 	.suspend = radeon_pmops_suspend,
525 	.resume = radeon_pmops_resume,
526 	.freeze = radeon_pmops_freeze,
527 	.thaw = radeon_pmops_thaw,
528 	.poweroff = radeon_pmops_freeze,
529 	.restore = radeon_pmops_resume,
530 	.runtime_suspend = radeon_pmops_runtime_suspend,
531 	.runtime_resume = radeon_pmops_runtime_resume,
532 	.runtime_idle = radeon_pmops_runtime_idle,
533 };
534 
535 static const struct file_operations radeon_driver_kms_fops = {
536 	.owner = THIS_MODULE,
537 	.open = drm_open,
538 	.release = drm_release,
539 	.unlocked_ioctl = radeon_drm_ioctl,
540 	.mmap = drm_gem_mmap,
541 	.poll = drm_poll,
542 	.read = drm_read,
543 #ifdef CONFIG_COMPAT
544 	.compat_ioctl = radeon_kms_compat_ioctl,
545 #endif
546 };
547 
548 static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
549 	DRM_IOCTL_DEF_DRV(RADEON_CP_INIT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
550 	DRM_IOCTL_DEF_DRV(RADEON_CP_START, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
551 	DRM_IOCTL_DEF_DRV(RADEON_CP_STOP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
552 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESET, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
553 	DRM_IOCTL_DEF_DRV(RADEON_CP_IDLE, drm_invalid_op, DRM_AUTH),
554 	DRM_IOCTL_DEF_DRV(RADEON_CP_RESUME, drm_invalid_op, DRM_AUTH),
555 	DRM_IOCTL_DEF_DRV(RADEON_RESET, drm_invalid_op, DRM_AUTH),
556 	DRM_IOCTL_DEF_DRV(RADEON_FULLSCREEN, drm_invalid_op, DRM_AUTH),
557 	DRM_IOCTL_DEF_DRV(RADEON_SWAP, drm_invalid_op, DRM_AUTH),
558 	DRM_IOCTL_DEF_DRV(RADEON_CLEAR, drm_invalid_op, DRM_AUTH),
559 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX, drm_invalid_op, DRM_AUTH),
560 	DRM_IOCTL_DEF_DRV(RADEON_INDICES, drm_invalid_op, DRM_AUTH),
561 	DRM_IOCTL_DEF_DRV(RADEON_TEXTURE, drm_invalid_op, DRM_AUTH),
562 	DRM_IOCTL_DEF_DRV(RADEON_STIPPLE, drm_invalid_op, DRM_AUTH),
563 	DRM_IOCTL_DEF_DRV(RADEON_INDIRECT, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
564 	DRM_IOCTL_DEF_DRV(RADEON_VERTEX2, drm_invalid_op, DRM_AUTH),
565 	DRM_IOCTL_DEF_DRV(RADEON_CMDBUF, drm_invalid_op, DRM_AUTH),
566 	DRM_IOCTL_DEF_DRV(RADEON_GETPARAM, drm_invalid_op, DRM_AUTH),
567 	DRM_IOCTL_DEF_DRV(RADEON_FLIP, drm_invalid_op, DRM_AUTH),
568 	DRM_IOCTL_DEF_DRV(RADEON_ALLOC, drm_invalid_op, DRM_AUTH),
569 	DRM_IOCTL_DEF_DRV(RADEON_FREE, drm_invalid_op, DRM_AUTH),
570 	DRM_IOCTL_DEF_DRV(RADEON_INIT_HEAP, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
571 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_EMIT, drm_invalid_op, DRM_AUTH),
572 	DRM_IOCTL_DEF_DRV(RADEON_IRQ_WAIT, drm_invalid_op, DRM_AUTH),
573 	DRM_IOCTL_DEF_DRV(RADEON_SETPARAM, drm_invalid_op, DRM_AUTH),
574 	DRM_IOCTL_DEF_DRV(RADEON_SURF_ALLOC, drm_invalid_op, DRM_AUTH),
575 	DRM_IOCTL_DEF_DRV(RADEON_SURF_FREE, drm_invalid_op, DRM_AUTH),
576 	/* KMS */
577 	DRM_IOCTL_DEF_DRV(RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
578 	DRM_IOCTL_DEF_DRV(RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
579 	DRM_IOCTL_DEF_DRV(RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
580 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
581 	DRM_IOCTL_DEF_DRV(RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH),
582 	DRM_IOCTL_DEF_DRV(RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH),
583 	DRM_IOCTL_DEF_DRV(RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
584 	DRM_IOCTL_DEF_DRV(RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
585 	DRM_IOCTL_DEF_DRV(RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
586 	DRM_IOCTL_DEF_DRV(RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
587 	DRM_IOCTL_DEF_DRV(RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
588 	DRM_IOCTL_DEF_DRV(RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
589 	DRM_IOCTL_DEF_DRV(RADEON_GEM_VA, radeon_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
590 	DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
591 	DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
592 };
593 
594 static const struct drm_driver kms_driver = {
595 	.driver_features =
596 	    DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
597 	.load = radeon_driver_load_kms,
598 	.open = radeon_driver_open_kms,
599 	.postclose = radeon_driver_postclose_kms,
600 	.unload = radeon_driver_unload_kms,
601 	.ioctls = radeon_ioctls_kms,
602 	.num_ioctls = ARRAY_SIZE(radeon_ioctls_kms),
603 	.dumb_create = radeon_mode_dumb_create,
604 	.dumb_map_offset = radeon_mode_dumb_mmap,
605 	.fops = &radeon_driver_kms_fops,
606 
607 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
608 
609 	.name = DRIVER_NAME,
610 	.desc = DRIVER_DESC,
611 	.date = DRIVER_DATE,
612 	.major = KMS_DRIVER_MAJOR,
613 	.minor = KMS_DRIVER_MINOR,
614 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
615 };
616 
617 static struct pci_driver radeon_kms_pci_driver = {
618 	.name = DRIVER_NAME,
619 	.id_table = pciidlist,
620 	.probe = radeon_pci_probe,
621 	.remove = radeon_pci_remove,
622 	.shutdown = radeon_pci_shutdown,
623 	.driver.pm = &radeon_pm_ops,
624 };
625 
626 static int __init radeon_module_init(void)
627 {
628 	if (drm_firmware_drivers_only() && radeon_modeset == -1)
629 		radeon_modeset = 0;
630 
631 	if (radeon_modeset == 0)
632 		return -EINVAL;
633 
634 	DRM_INFO("radeon kernel modesetting enabled.\n");
635 	radeon_register_atpx_handler();
636 
637 	return pci_register_driver(&radeon_kms_pci_driver);
638 }
639 
640 static void __exit radeon_module_exit(void)
641 {
642 	pci_unregister_driver(&radeon_kms_pci_driver);
643 	radeon_unregister_atpx_handler();
644 	mmu_notifier_synchronize();
645 }
646 
647 module_init(radeon_module_init);
648 module_exit(radeon_module_exit);
649 
650 MODULE_AUTHOR(DRIVER_AUTHOR);
651 MODULE_DESCRIPTION(DRIVER_DESC);
652 MODULE_LICENSE("GPL and additional rights");
653