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drm: add new QXL driver. (v1.4)
[deliverable/linux.git] / drivers / gpu / drm / qxl / qxl_drv.h
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f64122c1
DA		 1/*
2 * Copyright 2013 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 * Alon Levy
24 */
25
26
27#ifndef QXL_DRV_H
28#define QXL_DRV_H
29
30/*
31 * Definitions taken from spice-protocol, plus kernel driver specific bits.
32 */
33
34#include <linux/workqueue.h>
35#include <linux/firmware.h>
36#include <linux/platform_device.h>
37
38#include "drmP.h"
39#include "drm_crtc.h"
40#include <ttm/ttm_bo_api.h>
41#include <ttm/ttm_bo_driver.h>
42#include <ttm/ttm_placement.h>
43#include <ttm/ttm_module.h>
44
45#include <drm/qxl_drm.h>
46#include "qxl_dev.h"
47
48#define DRIVER_AUTHOR "Dave Airlie"
49
50#define DRIVER_NAME "qxl"
51#define DRIVER_DESC "RH QXL"
52#define DRIVER_DATE "20120117"
53
54#define DRIVER_MAJOR 0
55#define DRIVER_MINOR 1
56#define DRIVER_PATCHLEVEL 0
57
58#define QXL_NUM_OUTPUTS 1
59
60#define QXL_DEBUGFS_MAX_COMPONENTS 32
61
62extern int qxl_log_level;
63
64enum {
65 QXL_INFO_LEVEL = 1,
66 QXL_DEBUG_LEVEL = 2,
67};
68
69#define QXL_INFO(qdev, fmt, ...) do { \
70 if (qxl_log_level >= QXL_INFO_LEVEL) { \
71 qxl_io_log(qdev, fmt, __VA_ARGS__); \
72 } \
73 } while (0)
74#define QXL_DEBUG(qdev, fmt, ...) do { \
75 if (qxl_log_level >= QXL_DEBUG_LEVEL) { \
76 qxl_io_log(qdev, fmt, __VA_ARGS__); \
77 } \
78 } while (0)
79#define QXL_INFO_ONCE(qdev, fmt, ...) do { \
80 static int done; \
81 if (!done) { \
82 done = 1; \
83 QXL_INFO(qdev, fmt, __VA_ARGS__); \
84 } \
85 } while (0)
86
87#define DRM_FILE_OFFSET 0x100000000ULL
88#define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT)
89
90#define QXL_INTERRUPT_MASK (\
91 QXL_INTERRUPT_DISPLAY |\
92 QXL_INTERRUPT_CURSOR |\
93 QXL_INTERRUPT_IO_CMD |\
94 QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
95
96struct qxl_fence {
97 struct qxl_device *qdev;
98 uint32_t num_active_releases;
99 uint32_t *release_ids;
100 struct radix_tree_root tree;
101};
102
103struct qxl_bo {
104 /* Protected by gem.mutex */
105 struct list_head list;
106 /* Protected by tbo.reserved */
107 u32 placements[3];
108 struct ttm_placement placement;
109 struct ttm_buffer_object tbo;
110 struct ttm_bo_kmap_obj kmap;
111 unsigned pin_count;
112 void *kptr;
113 int type;
114 /* Constant after initialization */
115 struct drm_gem_object gem_base;
116 bool is_primary; /* is this now a primary surface */
117 bool hw_surf_alloc;
118 struct qxl_surface surf;
119 uint32_t surface_id;
120 struct qxl_fence fence; /* per bo fence - list of releases */
121 struct qxl_release *surf_create;
122 atomic_t reserve_count;
123};
124#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, gem_base)
125
126struct qxl_gem {
127 struct mutex mutex;
128 struct list_head objects;
129};
130
131struct qxl_bo_list {
132 struct list_head lhead;
133 struct qxl_bo *bo;
134};
135
136struct qxl_reloc_list {
137 struct list_head bos;
138};
139
140struct qxl_crtc {
141 struct drm_crtc base;
142 int cur_x;
143 int cur_y;
144};
145
146struct qxl_output {
147 int index;
148 struct drm_connector base;
149 struct drm_encoder enc;
150};
151
152struct qxl_framebuffer {
153 struct drm_framebuffer base;
154 struct drm_gem_object *obj;
155};
156
157#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
158#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
159#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, base)
160#define to_qxl_framebuffer(x) container_of(x, struct qxl_framebuffer, base)
161
162struct qxl_mman {
163 struct ttm_bo_global_ref bo_global_ref;
164 struct drm_global_reference mem_global_ref;
165 bool mem_global_referenced;
166 struct ttm_bo_device bdev;
167};
168
169struct qxl_mode_info {
170 int num_modes;
171 struct qxl_mode *modes;
172 bool mode_config_initialized;
173
174 /* pointer to fbdev info structure */
175 struct qxl_fbdev *qfbdev;
176};
177
178
179struct qxl_memslot {
180 uint8_t generation;
181 uint64_t start_phys_addr;
182 uint64_t end_phys_addr;
183 uint64_t high_bits;
184};
185
186enum {
187 QXL_RELEASE_DRAWABLE,
188 QXL_RELEASE_SURFACE_CMD,
189 QXL_RELEASE_CURSOR_CMD,
190};
191
192/* drm_ prefix to differentiate from qxl_release_info in
193 * spice-protocol/qxl_dev.h */
194#define QXL_MAX_RES 96
195struct qxl_release {
196 int id;
197 int type;
198 int bo_count;
199 uint32_t release_offset;
200 uint32_t surface_release_id;
201 struct qxl_bo *bos[QXL_MAX_RES];
202};
203
204struct qxl_fb_image {
205 struct qxl_device *qdev;
206 uint32_t pseudo_palette[16];
207 struct fb_image fb_image;
208 uint32_t visual;
209};
210
211struct qxl_draw_fill {
212 struct qxl_device *qdev;
213 struct qxl_rect rect;
214 uint32_t color;
215 uint16_t rop;
216};
217
218/*
219 * Debugfs
220 */
221struct qxl_debugfs {
222 struct drm_info_list *files;
223 unsigned num_files;
224};
225
226int qxl_debugfs_add_files(struct qxl_device *rdev,
227 struct drm_info_list *files,
228 unsigned nfiles);
229int qxl_debugfs_fence_init(struct qxl_device *rdev);
230void qxl_debugfs_remove_files(struct qxl_device *qdev);
231
232struct qxl_device;
233
234struct qxl_device {
235 struct device *dev;
236 struct drm_device *ddev;
237 struct pci_dev *pdev;
238 unsigned long flags;
239
240 resource_size_t vram_base, vram_size;
241 resource_size_t surfaceram_base, surfaceram_size;
242 resource_size_t rom_base, rom_size;
243 struct qxl_rom *rom;
244
245 struct qxl_mode *modes;
246 struct qxl_bo *monitors_config_bo;
247 struct qxl_monitors_config *monitors_config;
248
249 /* last received client_monitors_config */
250 struct qxl_monitors_config *client_monitors_config;
251
252 int io_base;
253 void *ram;
254 struct qxl_mman mman;
255 struct qxl_gem gem;
256 struct qxl_mode_info mode_info;
257
258 /*
259 * last created framebuffer with fb_create
260 * only used by debugfs dumbppm
261 */
262 struct qxl_framebuffer *active_user_framebuffer;
263
264 struct fb_info *fbdev_info;
265 struct qxl_framebuffer *fbdev_qfb;
266 void *ram_physical;
267
268 struct qxl_ring *release_ring;
269 struct qxl_ring *command_ring;
270 struct qxl_ring *cursor_ring;
271
272 struct qxl_ram_header *ram_header;
273 bool mode_set;
274
275 bool primary_created;
276
277 struct qxl_memslot *mem_slots;
278 uint8_t n_mem_slots;
279
280 uint8_t main_mem_slot;
281 uint8_t surfaces_mem_slot;
282 uint8_t slot_id_bits;
283 uint8_t slot_gen_bits;
284 uint64_t va_slot_mask;
285
286 struct idr release_idr;
287 spinlock_t release_idr_lock;
288 struct mutex async_io_mutex;
289 unsigned int last_sent_io_cmd;
290
291 /* interrupt handling */
292 atomic_t irq_received;
293 atomic_t irq_received_display;
294 atomic_t irq_received_cursor;
295 atomic_t irq_received_io_cmd;
296 unsigned irq_received_error;
297 wait_queue_head_t display_event;
298 wait_queue_head_t cursor_event;
299 wait_queue_head_t io_cmd_event;
300 struct work_struct client_monitors_config_work;
301
302 /* debugfs */
303 struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
304 unsigned debugfs_count;
305
306 struct mutex update_area_mutex;
307
308 struct idr surf_id_idr;
309 spinlock_t surf_id_idr_lock;
310 int last_alloced_surf_id;
311
312 struct mutex surf_evict_mutex;
313 struct io_mapping *vram_mapping;
314 struct io_mapping *surface_mapping;
315
316 /* */
317 struct mutex release_mutex;
318 struct qxl_bo *current_release_bo[3];
319 int current_release_bo_offset[3];
320
321 struct workqueue_struct *gc_queue;
322 struct work_struct gc_work;
323
324};
325
326/* forward declaration for QXL_INFO_IO */
327void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...);
328
329extern struct drm_ioctl_desc qxl_ioctls[];
330extern int qxl_max_ioctl;
331
332int qxl_driver_load(struct drm_device *dev, unsigned long flags);
333int qxl_driver_unload(struct drm_device *dev);
334
335int qxl_modeset_init(struct qxl_device *qdev);
336void qxl_modeset_fini(struct qxl_device *qdev);
337
338int qxl_bo_init(struct qxl_device *qdev);
339void qxl_bo_fini(struct qxl_device *qdev);
340
341struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
342 int element_size,
343 int n_elements,
344 int prod_notify,
345 bool set_prod_notify,
346 wait_queue_head_t *push_event);
347void qxl_ring_free(struct qxl_ring *ring);
348
349static inline void *
350qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
351{
352 QXL_INFO(qdev, "not implemented (%lu)\n", physical);
353 return 0;
354}
355
356static inline uint64_t
357qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
358 unsigned long offset)
359{
360 int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
361 struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
362
363 /* TODO - need to hold one of the locks to read tbo.offset */
364 return slot->high_bits | (bo->tbo.offset + offset);
365}
366
367/* qxl_fb.c */
368#define QXLFB_CONN_LIMIT 1
369
370int qxl_fbdev_init(struct qxl_device *qdev);
371void qxl_fbdev_fini(struct qxl_device *qdev);
372int qxl_get_handle_for_primary_fb(struct qxl_device *qdev,
373 struct drm_file *file_priv,
374 uint32_t *handle);
375
376/* qxl_display.c */
377int
378qxl_framebuffer_init(struct drm_device *dev,
379 struct qxl_framebuffer *rfb,
380 struct drm_mode_fb_cmd2 *mode_cmd,
381 struct drm_gem_object *obj);
382void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
383void qxl_send_monitors_config(struct qxl_device *qdev);
384
385/* used by qxl_debugfs only */
386void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev);
387void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count);
388
389/* qxl_gem.c */
390int qxl_gem_init(struct qxl_device *qdev);
391void qxl_gem_fini(struct qxl_device *qdev);
392int qxl_gem_object_create(struct qxl_device *qdev, int size,
393 int alignment, int initial_domain,
394 bool discardable, bool kernel,
395 struct qxl_surface *surf,
396 struct drm_gem_object **obj);
397int qxl_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
398 uint64_t *gpu_addr);
399void qxl_gem_object_unpin(struct drm_gem_object *obj);
400int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
401 struct drm_file *file_priv,
402 u32 domain,
403 size_t size,
404 struct qxl_surface *surf,
405 struct qxl_bo **qobj,
406 uint32_t *handle);
407int qxl_gem_object_init(struct drm_gem_object *obj);
408void qxl_gem_object_free(struct drm_gem_object *gobj);
409int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv);
410void qxl_gem_object_close(struct drm_gem_object *obj,
411 struct drm_file *file_priv);
412void qxl_bo_force_delete(struct qxl_device *qdev);
413int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
414
415/* qxl_dumb.c */
416int qxl_mode_dumb_create(struct drm_file *file_priv,
417 struct drm_device *dev,
418 struct drm_mode_create_dumb *args);
419int qxl_mode_dumb_destroy(struct drm_file *file_priv,
420 struct drm_device *dev,
421 uint32_t handle);
422int qxl_mode_dumb_mmap(struct drm_file *filp,
423 struct drm_device *dev,
424 uint32_t handle, uint64_t *offset_p);
425
426
427/* qxl ttm */
428int qxl_ttm_init(struct qxl_device *qdev);
429void qxl_ttm_fini(struct qxl_device *qdev);
430int qxl_mmap(struct file *filp, struct vm_area_struct *vma);
431
432/* qxl image */
433
434int qxl_image_create(struct qxl_device *qdev,
435 struct qxl_release *release,
436 struct qxl_bo **image_bo,
437 const uint8_t *data,
438 int x, int y, int width, int height,
439 int depth, int stride);
440void qxl_update_screen(struct qxl_device *qxl);
441
442/* qxl io operations (qxl_cmd.c) */
443
444void qxl_io_create_primary(struct qxl_device *qdev,
445 unsigned width, unsigned height, unsigned offset,
446 struct qxl_bo *bo);
447void qxl_io_destroy_primary(struct qxl_device *qdev);
448void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id);
449void qxl_io_notify_oom(struct qxl_device *qdev);
450
451int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,
452 const struct qxl_rect *area);
453
454void qxl_io_reset(struct qxl_device *qdev);
455void qxl_io_monitors_config(struct qxl_device *qdev);
456int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible);
457void qxl_io_flush_release(struct qxl_device *qdev);
458void qxl_io_flush_surfaces(struct qxl_device *qdev);
459
460int qxl_release_reserve(struct qxl_device *qdev,
461 struct qxl_release *release, bool no_wait);
462void qxl_release_unreserve(struct qxl_device *qdev,
463 struct qxl_release *release);
464union qxl_release_info *qxl_release_map(struct qxl_device *qdev,
465 struct qxl_release *release);
466void qxl_release_unmap(struct qxl_device *qdev,
467 struct qxl_release *release,
468 union qxl_release_info *info);
469/*
470 * qxl_bo_add_resource.
471 *
472 */
473void qxl_bo_add_resource(struct qxl_bo *main_bo, struct qxl_bo *resource);
474
475int qxl_alloc_surface_release_reserved(struct qxl_device *qdev,
476 enum qxl_surface_cmd_type surface_cmd_type,
477 struct qxl_release *create_rel,
478 struct qxl_release **release);
479int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
480 int type, struct qxl_release **release,
481 struct qxl_bo **rbo);
482int qxl_fence_releaseable(struct qxl_device *qdev,
483 struct qxl_release *release);
484int
485qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,
486 uint32_t type, bool interruptible);
487int
488qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,
489 uint32_t type, bool interruptible);
490int qxl_alloc_bo_reserved(struct qxl_device *qdev, unsigned long size,
491 struct qxl_bo **_bo);
492/* qxl drawing commands */
493
494void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
495 int stride /* filled in if 0 */);
496
497void qxl_draw_dirty_fb(struct qxl_device *qdev,
498 struct qxl_framebuffer *qxl_fb,
499 struct qxl_bo *bo,
500 unsigned flags, unsigned color,
501 struct drm_clip_rect *clips,
502 unsigned num_clips, int inc);
503
504void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec);
505
506void qxl_draw_copyarea(struct qxl_device *qdev,
507 u32 width, u32 height,
508 u32 sx, u32 sy,
509 u32 dx, u32 dy);
510
511uint64_t
512qxl_release_alloc(struct qxl_device *qdev, int type,
513 struct qxl_release **ret);
514
515void qxl_release_free(struct qxl_device *qdev,
516 struct qxl_release *release);
517void qxl_release_add_res(struct qxl_device *qdev,
518 struct qxl_release *release,
519 struct qxl_bo *bo);
520/* used by qxl_debugfs_release */
521struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev,
522 uint64_t id);
523
524bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush);
525int qxl_garbage_collect(struct qxl_device *qdev);
526
527/* debugfs */
528
529int qxl_debugfs_init(struct drm_minor *minor);
530void qxl_debugfs_takedown(struct drm_minor *minor);
531
532/* qxl_irq.c */
533int qxl_irq_init(struct qxl_device *qdev);
534irqreturn_t qxl_irq_handler(DRM_IRQ_ARGS);
535
536/* qxl_fb.c */
537int qxl_fb_init(struct qxl_device *qdev);
538
539int qxl_debugfs_add_files(struct qxl_device *qdev,
540 struct drm_info_list *files,
541 unsigned nfiles);
542
543int qxl_surface_id_alloc(struct qxl_device *qdev,
544 struct qxl_bo *surf);
545void qxl_surface_id_dealloc(struct qxl_device *qdev,
546 uint32_t surface_id);
547int qxl_hw_surface_alloc(struct qxl_device *qdev,
548 struct qxl_bo *surf,
549 struct ttm_mem_reg *mem);
550int qxl_hw_surface_dealloc(struct qxl_device *qdev,
551 struct qxl_bo *surf);
552
553int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo);
554
555struct qxl_drv_surface *
556qxl_surface_lookup(struct drm_device *dev, int surface_id);
557void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing);
558int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf);
559
560/* qxl_fence.c */
561int qxl_fence_add_release(struct qxl_fence *qfence, uint32_t rel_id);
562int qxl_fence_remove_release(struct qxl_fence *qfence, uint32_t rel_id);
563int qxl_fence_init(struct qxl_device *qdev, struct qxl_fence *qfence);
564void qxl_fence_fini(struct qxl_fence *qfence);
565
566#endif
Linux kernel - Deliverables
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