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85e634bc DV |
1 | /* |
2 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
3 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
4 | * Copyright (c) 2009-2010, Code Aurora Forum. | |
5 | * Copyright 2016 Intel Corp. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation | |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
11 | * and/or sell copies of the Software, and to permit persons to whom the | |
12 | * Software is furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the next | |
15 | * paragraph) shall be included in all copies or substantial portions of the | |
16 | * Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
22 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
23 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
24 | * OTHER DEALINGS IN THE SOFTWARE. | |
25 | */ | |
26 | ||
27 | #ifndef _DRM_DRV_H_ | |
28 | #define _DRM_DRV_H_ | |
29 | ||
30 | #include <linux/list.h> | |
31 | #include <linux/irqreturn.h> | |
32 | ||
33 | struct drm_device; | |
34 | struct drm_file; | |
35 | struct drm_gem_object; | |
36 | struct drm_master; | |
37 | struct drm_minor; | |
38 | struct dma_buf_attachment; | |
39 | struct drm_display_mode; | |
40 | struct drm_mode_create_dumb; | |
41 | ||
42 | /* driver capabilities and requirements mask */ | |
43 | #define DRIVER_USE_AGP 0x1 | |
44 | #define DRIVER_LEGACY 0x2 | |
45 | #define DRIVER_PCI_DMA 0x8 | |
46 | #define DRIVER_SG 0x10 | |
47 | #define DRIVER_HAVE_DMA 0x20 | |
48 | #define DRIVER_HAVE_IRQ 0x40 | |
49 | #define DRIVER_IRQ_SHARED 0x80 | |
50 | #define DRIVER_GEM 0x1000 | |
51 | #define DRIVER_MODESET 0x2000 | |
52 | #define DRIVER_PRIME 0x4000 | |
53 | #define DRIVER_RENDER 0x8000 | |
54 | #define DRIVER_ATOMIC 0x10000 | |
55 | #define DRIVER_KMS_LEGACY_CONTEXT 0x20000 | |
56 | ||
57 | /** | |
58 | * struct drm_driver - DRM driver structure | |
59 | * | |
60 | * This structure represent the common code for a family of cards. There will | |
61 | * one drm_device for each card present in this family. It contains lots of | |
62 | * vfunc entries, and a pile of those probably should be moved to more | |
63 | * appropriate places like &drm_mode_config_funcs or into a new operations | |
64 | * structure for GEM drivers. | |
65 | */ | |
66 | struct drm_driver { | |
56926500 GKB |
67 | /** |
68 | * @load: | |
69 | * | |
70 | * Backward-compatible driver callback to complete | |
71 | * initialization steps after the driver is registered. For | |
72 | * this reason, may suffer from race conditions and its use is | |
73 | * deprecated for new drivers. It is therefore only supported | |
74 | * for existing drivers not yet converted to the new scheme. | |
75 | * See drm_dev_init() and drm_dev_register() for proper and | |
76 | * race-free way to set up a &struct drm_device. | |
77 | * | |
b93658f8 DV |
78 | * This is deprecated, do not use! |
79 | * | |
56926500 GKB |
80 | * Returns: |
81 | * | |
82 | * Zero on success, non-zero value on failure. | |
83 | */ | |
85e634bc | 84 | int (*load) (struct drm_device *, unsigned long flags); |
b93658f8 DV |
85 | |
86 | /** | |
87 | * @open: | |
88 | * | |
89 | * Driver callback when a new &struct drm_file is opened. Useful for | |
90 | * setting up driver-private data structures like buffer allocators, | |
91 | * execution contexts or similar things. Such driver-private resources | |
92 | * must be released again in @postclose. | |
93 | * | |
94 | * Since the display/modeset side of DRM can only be owned by exactly | |
95 | * one &struct drm_file (see &drm_file.is_master and &drm_device.master) | |
96 | * there should never be a need to set up any modeset related resources | |
97 | * in this callback. Doing so would be a driver design bug. | |
98 | * | |
99 | * Returns: | |
100 | * | |
101 | * 0 on success, a negative error code on failure, which will be | |
102 | * promoted to userspace as the result of the open() system call. | |
103 | */ | |
85e634bc | 104 | int (*open) (struct drm_device *, struct drm_file *); |
b93658f8 | 105 | |
b93658f8 DV |
106 | /** |
107 | * @postclose: | |
108 | * | |
109 | * One of the driver callbacks when a new &struct drm_file is closed. | |
110 | * Useful for tearing down driver-private data structures allocated in | |
111 | * @open like buffer allocators, execution contexts or similar things. | |
112 | * | |
113 | * Since the display/modeset side of DRM can only be owned by exactly | |
114 | * one &struct drm_file (see &drm_file.is_master and &drm_device.master) | |
115 | * there should never be a need to tear down any modeset related | |
116 | * resources in this callback. Doing so would be a driver design bug. | |
b93658f8 | 117 | */ |
85e634bc | 118 | void (*postclose) (struct drm_device *, struct drm_file *); |
b93658f8 DV |
119 | |
120 | /** | |
121 | * @lastclose: | |
122 | * | |
123 | * Called when the last &struct drm_file has been closed and there's | |
124 | * currently no userspace client for the &struct drm_device. | |
125 | * | |
126 | * Modern drivers should only use this to force-restore the fbdev | |
127 | * framebuffer using drm_fb_helper_restore_fbdev_mode_unlocked(). | |
128 | * Anything else would indicate there's something seriously wrong. | |
129 | * Modern drivers can also use this to execute delayed power switching | |
130 | * state changes, e.g. in conjunction with the :ref:`vga_switcheroo` | |
131 | * infrastructure. | |
132 | * | |
45c3d213 | 133 | * This is called after @postclose hook has been called. |
b93658f8 DV |
134 | * |
135 | * NOTE: | |
136 | * | |
137 | * All legacy drivers use this callback to de-initialize the hardware. | |
138 | * This is purely because of the shadow-attach model, where the DRM | |
139 | * kernel driver does not really own the hardware. Instead ownershipe is | |
140 | * handled with the help of userspace through an inheritedly racy dance | |
141 | * to set/unset the VT into raw mode. | |
142 | * | |
143 | * Legacy drivers initialize the hardware in the @firstopen callback, | |
144 | * which isn't even called for modern drivers. | |
145 | */ | |
85e634bc | 146 | void (*lastclose) (struct drm_device *); |
56926500 GKB |
147 | |
148 | /** | |
149 | * @unload: | |
150 | * | |
151 | * Reverse the effects of the driver load callback. Ideally, | |
152 | * the clean up performed by the driver should happen in the | |
153 | * reverse order of the initialization. Similarly to the load | |
154 | * hook, this handler is deprecated and its usage should be | |
155 | * dropped in favor of an open-coded teardown function at the | |
156 | * driver layer. See drm_dev_unregister() and drm_dev_unref() | |
157 | * for the proper way to remove a &struct drm_device. | |
158 | * | |
159 | * The unload() hook is called right after unregistering | |
160 | * the device. | |
161 | * | |
56926500 | 162 | */ |
11b3c20b | 163 | void (*unload) (struct drm_device *); |
f30c9257 CW |
164 | |
165 | /** | |
166 | * @release: | |
167 | * | |
168 | * Optional callback for destroying device data after the final | |
169 | * reference is released, i.e. the device is being destroyed. Drivers | |
170 | * using this callback are responsible for calling drm_dev_fini() | |
171 | * to finalize the device and then freeing the struct themselves. | |
172 | */ | |
173 | void (*release) (struct drm_device *); | |
174 | ||
85e634bc DV |
175 | int (*set_busid)(struct drm_device *dev, struct drm_master *master); |
176 | ||
177 | /** | |
6c4789ed | 178 | * @get_vblank_counter: |
85e634bc | 179 | * |
6c4789ed DV |
180 | * Driver callback for fetching a raw hardware vblank counter for the |
181 | * CRTC specified with the pipe argument. If a device doesn't have a | |
5ac74757 SG |
182 | * hardware counter, the driver can simply leave the hook as NULL. |
183 | * The DRM core will account for missed vblank events while interrupts | |
184 | * where disabled based on system timestamps. | |
85e634bc DV |
185 | * |
186 | * Wraparound handling and loss of events due to modesetting is dealt | |
6c4789ed DV |
187 | * with in the DRM core code, as long as drivers call |
188 | * drm_crtc_vblank_off() and drm_crtc_vblank_on() when disabling or | |
189 | * enabling a CRTC. | |
190 | * | |
84e35483 SG |
191 | * This is deprecated and should not be used by new drivers. |
192 | * Use &drm_crtc_funcs.get_vblank_counter instead. | |
193 | * | |
6c4789ed | 194 | * Returns: |
85e634bc | 195 | * |
85e634bc DV |
196 | * Raw vblank counter value. |
197 | */ | |
198 | u32 (*get_vblank_counter) (struct drm_device *dev, unsigned int pipe); | |
199 | ||
200 | /** | |
6c4789ed DV |
201 | * @enable_vblank: |
202 | * | |
203 | * Enable vblank interrupts for the CRTC specified with the pipe | |
204 | * argument. | |
85e634bc | 205 | * |
84e35483 SG |
206 | * This is deprecated and should not be used by new drivers. |
207 | * Use &drm_crtc_funcs.enable_vblank instead. | |
208 | * | |
6c4789ed | 209 | * Returns: |
85e634bc | 210 | * |
85e634bc DV |
211 | * Zero on success, appropriate errno if the given @crtc's vblank |
212 | * interrupt cannot be enabled. | |
213 | */ | |
214 | int (*enable_vblank) (struct drm_device *dev, unsigned int pipe); | |
215 | ||
216 | /** | |
6c4789ed | 217 | * @disable_vblank: |
85e634bc | 218 | * |
6c4789ed DV |
219 | * Disable vblank interrupts for the CRTC specified with the pipe |
220 | * argument. | |
84e35483 SG |
221 | * |
222 | * This is deprecated and should not be used by new drivers. | |
223 | * Use &drm_crtc_funcs.disable_vblank instead. | |
85e634bc DV |
224 | */ |
225 | void (*disable_vblank) (struct drm_device *dev, unsigned int pipe); | |
226 | ||
85e634bc | 227 | /** |
6c4789ed DV |
228 | * @get_scanout_position: |
229 | * | |
85e634bc DV |
230 | * Called by vblank timestamping code. |
231 | * | |
6c4789ed DV |
232 | * Returns the current display scanout position from a crtc, and an |
233 | * optional accurate ktime_get() timestamp of when position was | |
234 | * measured. Note that this is a helper callback which is only used if a | |
235 | * driver uses drm_calc_vbltimestamp_from_scanoutpos() for the | |
236 | * @get_vblank_timestamp callback. | |
237 | * | |
238 | * Parameters: | |
85e634bc | 239 | * |
6c4789ed DV |
240 | * dev: |
241 | * DRM device. | |
242 | * pipe: | |
243 | * Id of the crtc to query. | |
3fcdcb27 DV |
244 | * in_vblank_irq: |
245 | * True when called from drm_crtc_handle_vblank(). Some drivers | |
246 | * need to apply some workarounds for gpu-specific vblank irq quirks | |
247 | * if flag is set. | |
6c4789ed DV |
248 | * vpos: |
249 | * Target location for current vertical scanout position. | |
250 | * hpos: | |
251 | * Target location for current horizontal scanout position. | |
252 | * stime: | |
253 | * Target location for timestamp taken immediately before | |
254 | * scanout position query. Can be NULL to skip timestamp. | |
255 | * etime: | |
256 | * Target location for timestamp taken immediately after | |
257 | * scanout position query. Can be NULL to skip timestamp. | |
258 | * mode: | |
259 | * Current display timings. | |
85e634bc DV |
260 | * |
261 | * Returns vpos as a positive number while in active scanout area. | |
262 | * Returns vpos as a negative number inside vblank, counting the number | |
263 | * of scanlines to go until end of vblank, e.g., -1 means "one scanline | |
264 | * until start of active scanout / end of vblank." | |
265 | * | |
6c4789ed DV |
266 | * Returns: |
267 | * | |
268 | * Flags, or'ed together as follows: | |
85e634bc | 269 | * |
6c4789ed DV |
270 | * DRM_SCANOUTPOS_VALID: |
271 | * Query successful. | |
272 | * DRM_SCANOUTPOS_INVBL: | |
273 | * Inside vblank. | |
274 | * DRM_SCANOUTPOS_ACCURATE: Returned position is accurate. A lack of | |
275 | * this flag means that returned position may be offset by a | |
276 | * constant but unknown small number of scanlines wrt. real scanout | |
277 | * position. | |
85e634bc | 278 | * |
2a39b88b DV |
279 | * FIXME: |
280 | * | |
281 | * Since this is a helper to implement @get_vblank_timestamp, we should | |
282 | * move it to &struct drm_crtc_helper_funcs, like all the other | |
283 | * helper-internal hooks. | |
85e634bc DV |
284 | */ |
285 | int (*get_scanout_position) (struct drm_device *dev, unsigned int pipe, | |
286 | unsigned int flags, int *vpos, int *hpos, | |
287 | ktime_t *stime, ktime_t *etime, | |
288 | const struct drm_display_mode *mode); | |
289 | ||
290 | /** | |
6c4789ed DV |
291 | * @get_vblank_timestamp: |
292 | * | |
293 | * Called by drm_get_last_vbltimestamp(). Should return a precise | |
85e634bc DV |
294 | * timestamp when the most recent VBLANK interval ended or will end. |
295 | * | |
296 | * Specifically, the timestamp in @vblank_time should correspond as | |
297 | * closely as possible to the time when the first video scanline of | |
298 | * the video frame after the end of VBLANK will start scanning out, | |
299 | * the time immediately after end of the VBLANK interval. If the | |
300 | * @crtc is currently inside VBLANK, this will be a time in the future. | |
301 | * If the @crtc is currently scanning out a frame, this will be the | |
302 | * past start time of the current scanout. This is meant to adhere | |
303 | * to the OpenML OML_sync_control extension specification. | |
304 | * | |
6c4789ed DV |
305 | * Paramters: |
306 | * | |
307 | * dev: | |
308 | * dev DRM device handle. | |
309 | * pipe: | |
310 | * crtc for which timestamp should be returned. | |
311 | * max_error: | |
312 | * Maximum allowable timestamp error in nanoseconds. | |
313 | * Implementation should strive to provide timestamp | |
314 | * with an error of at most max_error nanoseconds. | |
315 | * Returns true upper bound on error for timestamp. | |
316 | * vblank_time: | |
317 | * Target location for returned vblank timestamp. | |
3fcdcb27 DV |
318 | * in_vblank_irq: |
319 | * True when called from drm_crtc_handle_vblank(). Some drivers | |
320 | * need to apply some workarounds for gpu-specific vblank irq quirks | |
321 | * if flag is set. | |
6c4789ed DV |
322 | * |
323 | * Returns: | |
324 | * | |
d673c02c DV |
325 | * True on success, false on failure, which means the core should |
326 | * fallback to a simple timestamp taken in drm_crtc_handle_vblank(). | |
2a39b88b DV |
327 | * |
328 | * FIXME: | |
329 | * | |
330 | * We should move this hook to &struct drm_crtc_funcs like all the other | |
331 | * vblank hooks. | |
85e634bc | 332 | */ |
d673c02c | 333 | bool (*get_vblank_timestamp) (struct drm_device *dev, unsigned int pipe, |
85e634bc DV |
334 | int *max_error, |
335 | struct timeval *vblank_time, | |
3fcdcb27 | 336 | bool in_vblank_irq); |
85e634bc DV |
337 | |
338 | /* these have to be filled in */ | |
339 | ||
340 | irqreturn_t(*irq_handler) (int irq, void *arg); | |
341 | void (*irq_preinstall) (struct drm_device *dev); | |
342 | int (*irq_postinstall) (struct drm_device *dev); | |
343 | void (*irq_uninstall) (struct drm_device *dev); | |
344 | ||
6c4789ed DV |
345 | /** |
346 | * @master_create: | |
347 | * | |
348 | * Called whenever a new master is created. Only used by vmwgfx. | |
349 | */ | |
85e634bc | 350 | int (*master_create)(struct drm_device *dev, struct drm_master *master); |
6c4789ed | 351 | |
85e634bc | 352 | /** |
6c4789ed DV |
353 | * @master_destroy: |
354 | * | |
355 | * Called whenever a master is destroyed. Only used by vmwgfx. | |
85e634bc | 356 | */ |
6c4789ed | 357 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); |
85e634bc | 358 | |
6c4789ed DV |
359 | /** |
360 | * @master_set: | |
361 | * | |
362 | * Called whenever the minor master is set. Only used by vmwgfx. | |
363 | */ | |
85e634bc DV |
364 | int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, |
365 | bool from_open); | |
6c4789ed DV |
366 | /** |
367 | * @master_drop: | |
368 | * | |
369 | * Called whenever the minor master is dropped. Only used by vmwgfx. | |
370 | */ | |
85e634bc DV |
371 | void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv); |
372 | ||
373 | int (*debugfs_init)(struct drm_minor *minor); | |
85e634bc DV |
374 | |
375 | /** | |
376 | * @gem_free_object: deconstructor for drm_gem_objects | |
377 | * | |
378 | * This is deprecated and should not be used by new drivers. Use | |
379 | * @gem_free_object_unlocked instead. | |
380 | */ | |
381 | void (*gem_free_object) (struct drm_gem_object *obj); | |
382 | ||
383 | /** | |
384 | * @gem_free_object_unlocked: deconstructor for drm_gem_objects | |
385 | * | |
ef40cbf9 | 386 | * This is for drivers which are not encumbered with &drm_device.struct_mutex |
85e634bc DV |
387 | * legacy locking schemes. Use this hook instead of @gem_free_object. |
388 | */ | |
389 | void (*gem_free_object_unlocked) (struct drm_gem_object *obj); | |
390 | ||
391 | int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); | |
392 | void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); | |
393 | ||
394 | /** | |
218adc17 CW |
395 | * @gem_create_object: constructor for gem objects |
396 | * | |
85e634bc DV |
397 | * Hook for allocating the GEM object struct, for use by core |
398 | * helpers. | |
399 | */ | |
400 | struct drm_gem_object *(*gem_create_object)(struct drm_device *dev, | |
401 | size_t size); | |
402 | ||
403 | /* prime: */ | |
404 | /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ | |
405 | int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, | |
406 | uint32_t handle, uint32_t flags, int *prime_fd); | |
407 | /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ | |
408 | int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, | |
409 | int prime_fd, uint32_t *handle); | |
410 | /* export GEM -> dmabuf */ | |
411 | struct dma_buf * (*gem_prime_export)(struct drm_device *dev, | |
412 | struct drm_gem_object *obj, int flags); | |
413 | /* import dmabuf -> GEM */ | |
414 | struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, | |
415 | struct dma_buf *dma_buf); | |
416 | /* low-level interface used by drm_gem_prime_{import,export} */ | |
417 | int (*gem_prime_pin)(struct drm_gem_object *obj); | |
418 | void (*gem_prime_unpin)(struct drm_gem_object *obj); | |
419 | struct reservation_object * (*gem_prime_res_obj)( | |
420 | struct drm_gem_object *obj); | |
421 | struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj); | |
422 | struct drm_gem_object *(*gem_prime_import_sg_table)( | |
423 | struct drm_device *dev, | |
424 | struct dma_buf_attachment *attach, | |
425 | struct sg_table *sgt); | |
426 | void *(*gem_prime_vmap)(struct drm_gem_object *obj); | |
427 | void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr); | |
428 | int (*gem_prime_mmap)(struct drm_gem_object *obj, | |
429 | struct vm_area_struct *vma); | |
430 | ||
4f93624e DV |
431 | /** |
432 | * @dumb_create: | |
433 | * | |
434 | * This creates a new dumb buffer in the driver's backing storage manager (GEM, | |
435 | * TTM or something else entirely) and returns the resulting buffer handle. This | |
436 | * handle can then be wrapped up into a framebuffer modeset object. | |
437 | * | |
438 | * Note that userspace is not allowed to use such objects for render | |
439 | * acceleration - drivers must create their own private ioctls for such a use | |
440 | * case. | |
441 | * | |
442 | * Width, height and depth are specified in the &drm_mode_create_dumb | |
443 | * argument. The callback needs to fill the handle, pitch and size for | |
444 | * the created buffer. | |
445 | * | |
446 | * Called by the user via ioctl. | |
447 | * | |
448 | * Returns: | |
449 | * | |
450 | * Zero on success, negative errno on failure. | |
451 | */ | |
85e634bc DV |
452 | int (*dumb_create)(struct drm_file *file_priv, |
453 | struct drm_device *dev, | |
454 | struct drm_mode_create_dumb *args); | |
4f93624e DV |
455 | /** |
456 | * @dumb_map_offset: | |
457 | * | |
458 | * Allocate an offset in the drm device node's address space to be able to | |
459 | * memory map a dumb buffer. GEM-based drivers must use | |
460 | * drm_gem_create_mmap_offset() to implement this. | |
461 | * | |
462 | * Called by the user via ioctl. | |
463 | * | |
464 | * Returns: | |
465 | * | |
466 | * Zero on success, negative errno on failure. | |
467 | */ | |
85e634bc DV |
468 | int (*dumb_map_offset)(struct drm_file *file_priv, |
469 | struct drm_device *dev, uint32_t handle, | |
470 | uint64_t *offset); | |
4f93624e DV |
471 | /** |
472 | * @dumb_destroy: | |
473 | * | |
474 | * This destroys the userspace handle for the given dumb backing storage buffer. | |
475 | * Since buffer objects must be reference counted in the kernel a buffer object | |
476 | * won't be immediately freed if a framebuffer modeset object still uses it. | |
477 | * | |
478 | * Called by the user via ioctl. | |
479 | * | |
480 | * Returns: | |
481 | * | |
482 | * Zero on success, negative errno on failure. | |
483 | */ | |
85e634bc DV |
484 | int (*dumb_destroy)(struct drm_file *file_priv, |
485 | struct drm_device *dev, | |
486 | uint32_t handle); | |
487 | ||
488 | /* Driver private ops for this object */ | |
489 | const struct vm_operations_struct *gem_vm_ops; | |
490 | ||
491 | int major; | |
492 | int minor; | |
493 | int patchlevel; | |
494 | char *name; | |
495 | char *desc; | |
496 | char *date; | |
497 | ||
498 | u32 driver_features; | |
85e634bc DV |
499 | const struct drm_ioctl_desc *ioctls; |
500 | int num_ioctls; | |
501 | const struct file_operations *fops; | |
502 | ||
0683c0ab DV |
503 | /* Everything below here is for legacy driver, never use! */ |
504 | /* private: */ | |
505 | ||
85e634bc DV |
506 | /* List of devices hanging off this driver with stealth attach. */ |
507 | struct list_head legacy_dev_list; | |
0683c0ab | 508 | int (*firstopen) (struct drm_device *); |
45c3d213 | 509 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
0683c0ab DV |
510 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
511 | int (*dma_quiescent) (struct drm_device *); | |
512 | int (*context_dtor) (struct drm_device *dev, int context); | |
513 | int dev_priv_size; | |
85e634bc DV |
514 | }; |
515 | ||
91faa047 | 516 | __printf(6, 7) |
85e634bc DV |
517 | void drm_dev_printk(const struct device *dev, const char *level, |
518 | unsigned int category, const char *function_name, | |
519 | const char *prefix, const char *format, ...); | |
91faa047 | 520 | __printf(3, 4) |
85e634bc DV |
521 | void drm_printk(const char *level, unsigned int category, |
522 | const char *format, ...); | |
523 | extern unsigned int drm_debug; | |
524 | ||
525 | int drm_dev_init(struct drm_device *dev, | |
526 | struct drm_driver *driver, | |
527 | struct device *parent); | |
f30c9257 CW |
528 | void drm_dev_fini(struct drm_device *dev); |
529 | ||
85e634bc DV |
530 | struct drm_device *drm_dev_alloc(struct drm_driver *driver, |
531 | struct device *parent); | |
532 | int drm_dev_register(struct drm_device *dev, unsigned long flags); | |
533 | void drm_dev_unregister(struct drm_device *dev); | |
534 | ||
535 | void drm_dev_ref(struct drm_device *dev); | |
536 | void drm_dev_unref(struct drm_device *dev); | |
537 | void drm_put_dev(struct drm_device *dev); | |
538 | void drm_unplug_dev(struct drm_device *dev); | |
539 | ||
63207455 DA |
540 | int drm_dev_set_unique(struct drm_device *dev, const char *name); |
541 | ||
542 | ||
85e634bc | 543 | #endif |