1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright (C) ST-Ericsson SA 2011
*
* ST-Ericsson Display overlay compositer device driver
*
* Author: Anders Bauer <anders.bauer@stericsson.com>
* for ST-Ericsson.
*
* Modified: Per-Daniel Olsson <per-daniel.olsson@stericsson.com>
* for ST-Ericsson.
*
* License terms: GNU General Public License (GPL), version 2.
*/
#ifndef _COMPDEV_H_
#define _COMPDEV_H_
#if !defined(__KERNEL__) && !defined(_KERNEL)
#include <stdint.h>
#else
#include <linux/types.h>
#include <video/mcde.h>
#endif
#if defined(__KERNEL__) || defined(_KERNEL)
#include <linux/mm_types.h>
#include <linux/bitops.h>
#else
#define BIT(nr) (1UL << (nr))
#endif
#define COMPDEV_DEFAULT_DEVICE_PREFIX "comp"
#define NUM_COMPDEV_BUFS 2
enum compdev_fmt {
COMPDEV_FMT_RGB565,
COMPDEV_FMT_RGB888,
COMPDEV_FMT_RGBX8888,
COMPDEV_FMT_RGBA8888,
COMPDEV_FMT_YUV422,
};
struct compdev_size {
uint16_t width;
uint16_t height;
};
/* Display rotation */
enum compdev_rotation {
COMPDEV_ROT_0 = 0,
COMPDEV_ROT_90_CCW = 90,
COMPDEV_ROT_180_CCW = 180,
COMPDEV_ROT_270_CCW = 270,
COMPDEV_ROT_90_CW = COMPDEV_ROT_270_CCW,
COMPDEV_ROT_180_CW = COMPDEV_ROT_180_CCW,
COMPDEV_ROT_270_CW = COMPDEV_ROT_90_CCW,
};
enum compdev_ptr_type {
COMPDEV_PTR_PHYSICAL,
COMPDEV_PTR_HWMEM_BUF_NAME_OFFSET,
};
struct compdev_rect {
__s32 x;
__s32 y;
__s32 width;
__s32 height;
};
struct compdev_buf {
enum compdev_ptr_type type;
__s32 hwmem_buf_name;
__s32 fd;
__u32 offset;
__u32 len;
};
struct compdev_img {
enum compdev_fmt fmt;
struct compdev_buf buf;
__s32 width;
__s32 height;
__u32 pitch;
struct compdev_rect dst_rect;
};
struct compdev_post_buffers_req {
enum compdev_rotation rotation;
struct compdev_img img_buffers[NUM_COMPDEV_BUFS];
__u8 buffer_count;
};
#define COMPDEV_GET_SIZE_IOC _IOR('D', 1, struct compdev_size)
#define COMPDEV_POST_BUFFERS_IOC _IOW('D', 2, struct compdev_post_buffers_req)
#ifdef __KERNEL__
int compdev_create(struct mcde_display_device *ddev,
struct mcde_overlay *parent_ovly);
void compdev_destroy(struct mcde_display_device *ddev);
#endif /* __KERNEL__ */
#endif /* _COMPDEV_H_ */
|
