1/*
2 * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
3 * Copyright (C) 2010-2011 LunarG Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef _GRALLOC_DRM_PRIV_H_
25#define _GRALLOC_DRM_PRIV_H_
26
27#include <pthread.h>
28#include <xf86drm.h>
29#include <xf86drmMode.h>
30
31#include "gralloc_drm_handle.h"
32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
37struct gralloc_drm_t {
38	/* initialized by gralloc_drm_create */
39	int fd;
40	struct gralloc_drm_drv_t *drv;
41};
42
43struct drm_module_t {
44	gralloc_module_t base;
45
46	pthread_mutex_t mutex;
47	struct gralloc_drm_t *drm;
48};
49
50struct gralloc_drm_drv_t {
51	/* destroy the driver */
52	void (*destroy)(struct gralloc_drm_drv_t *drv);
53
54	/* allocate or import a bo */
55	struct gralloc_drm_bo_t *(*alloc)(struct gralloc_drm_drv_t *drv,
56			                  struct gralloc_drm_handle_t *handle);
57
58	/* free a bo */
59	void (*free)(struct gralloc_drm_drv_t *drv,
60		     struct gralloc_drm_bo_t *bo);
61
62	/* map a bo for CPU access */
63	int (*map)(struct gralloc_drm_drv_t *drv,
64		   struct gralloc_drm_bo_t *bo,
65		   int x, int y, int w, int h, int enable_write, void **addr);
66
67	/* unmap a bo */
68	void (*unmap)(struct gralloc_drm_drv_t *drv,
69		      struct gralloc_drm_bo_t *bo);
70
71	/* query component offsets, strides and handles for a format */
72	void (*resolve_format)(struct gralloc_drm_drv_t *drv,
73		     struct gralloc_drm_bo_t *bo,
74		     uint32_t *pitches, uint32_t *offsets, uint32_t *handles);
75};
76
77struct gralloc_drm_bo_t {
78	struct gralloc_drm_t *drm;
79	struct gralloc_drm_handle_t *handle;
80
81	int imported;  /* the handle is from a remote proces when true */
82	int fb_handle; /* the GEM handle of the bo */
83	int fb_id;     /* the fb id */
84
85	int lock_count;
86	int locked_for;
87
88	unsigned int refcount;
89};
90
91struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_pipe(int fd, const char *name);
92struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_intel(int fd);
93struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_radeon(int fd);
94struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_rockchip(int fd);
95struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_nouveau(int fd);
96
97#ifdef __cplusplus
98}
99#endif
100#endif /* _GRALLOC_DRM_PRIV_H_ */
101