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gerrit-public.fairphone.software / kernel / msm-4.9 / 5c7ab6348e7b3fcca2b8ee548306c774472971e2 / . / drivers / media / video / omap / omap_voutdef.h
blob: ea3a047f8bca6bd32a6cb0b78b68b9c678ee717d [file] [log] [blame]
Vaibhav Hiremath5c7ab632010-04-11 10:41:49 -0300[diff] [blame^]1/*
2 * omap_voutdef.h
3 *
4 * Copyright (C) 2010 Texas Instruments.
5 *
6 * This file is licensed under the terms of the GNU General Public License
7 * version 2. This program is licensed "as is" without any warranty of any
8 * kind, whether express or implied.
9 */
10
11#ifndef OMAP_VOUTDEF_H
12#define OMAP_VOUTDEF_H
13
14#include <plat/display.h>
15
16#define YUYV_BPP 2
17#define RGB565_BPP 2
18#define RGB24_BPP 3
19#define RGB32_BPP 4
20#define TILE_SIZE 32
21#define YUYV_VRFB_BPP 2
22#define RGB_VRFB_BPP 1
23#define MAX_CID 3
24#define MAC_VRFB_CTXS 4
25#define MAX_VOUT_DEV 2
26#define MAX_OVLS 3
27#define MAX_DISPLAYS 3
28#define MAX_MANAGERS 3
29
30/* Enum for Rotation
31 * DSS understands rotation in 0, 1, 2, 3 context
32 * while V4L2 driver understands it as 0, 90, 180, 270
33 */
34enum dss_rotation {
35 dss_rotation_0_degree = 0,
36 dss_rotation_90_degree = 1,
37 dss_rotation_180_degree = 2,
38 dss_rotation_270_degree = 3,
39};
40/*
41 * This structure is used to store the DMA transfer parameters
42 * for VRFB hidden buffer
43 */
44struct vid_vrfb_dma {
45 int dev_id;
46 int dma_ch;
47 int req_status;
48 int tx_status;
49 wait_queue_head_t wait;
50};
51
52struct omapvideo_info {
53 int id;
54 int num_overlays;
55 struct omap_overlay *overlays[MAX_OVLS];
56};
57
58struct omap2video_device {
59 struct mutex mtx;
60
61 int state;
62
63 struct v4l2_device v4l2_dev;
64 struct omap_vout_device *vouts[MAX_VOUT_DEV];
65
66 int num_displays;
67 struct omap_dss_device *displays[MAX_DISPLAYS];
68 int num_overlays;
69 struct omap_overlay *overlays[MAX_OVLS];
70 int num_managers;
71 struct omap_overlay_manager *managers[MAX_MANAGERS];
72};
73
74/* per-device data structure */
75struct omap_vout_device {
76
77 struct omapvideo_info vid_info;
78 struct video_device *vfd;
79 struct omap2video_device *vid_dev;
80 int vid;
81 int opened;
82
83 /* we don't allow to change image fmt/size once buffer has
84 * been allocated
85 */
86 int buffer_allocated;
87 /* allow to reuse previously allocated buffer which is big enough */
88 int buffer_size;
89 /* keep buffer info across opens */
90 unsigned long buf_virt_addr[VIDEO_MAX_FRAME];
91 unsigned long buf_phy_addr[VIDEO_MAX_FRAME];
92 enum omap_color_mode dss_mode;
93
94 /* we don't allow to request new buffer when old buffers are
95 * still mmaped
96 */
97 int mmap_count;
98
99 spinlock_t vbq_lock; /* spinlock for videobuf queues */
100 unsigned long field_count; /* field counter for videobuf_buffer */
101
102 /* non-NULL means streaming is in progress. */
103 bool streaming;
104
105 struct v4l2_pix_format pix;
106 struct v4l2_rect crop;
107 struct v4l2_window win;
108 struct v4l2_framebuffer fbuf;
109
110 /* Lock to protect the shared data structures in ioctl */
111 struct mutex lock;
112
113 /* V4L2 control structure for different control id */
114 struct v4l2_control control[MAX_CID];
115 enum dss_rotation rotation;
116 bool mirror;
117 int flicker_filter;
118 /* V4L2 control structure for different control id */
119
120 int bpp; /* bytes per pixel */
121 int vrfb_bpp; /* bytes per pixel with respect to VRFB */
122
123 struct vid_vrfb_dma vrfb_dma_tx;
124 unsigned int smsshado_phy_addr[MAC_VRFB_CTXS];
125 unsigned int smsshado_virt_addr[MAC_VRFB_CTXS];
126 struct vrfb vrfb_context[MAC_VRFB_CTXS];
127 bool vrfb_static_allocation;
128 unsigned int smsshado_size;
129 unsigned char pos;
130
131 int ps, vr_ps, line_length, first_int, field_id;
132 enum v4l2_memory memory;
133 struct videobuf_buffer *cur_frm, *next_frm;
134 struct list_head dma_queue;
135 u8 *queued_buf_addr[VIDEO_MAX_FRAME];
136 u32 cropped_offset;
137 s32 tv_field1_offset;
138 void *isr_handle;
139
140 /* Buffer queue variables */
141 struct omap_vout_device *vout;
142 enum v4l2_buf_type type;
143 struct videobuf_queue vbq;
144 int io_allowed;
145
146};
147#endif /* ifndef OMAP_VOUTDEF_H */