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5c7ab634 VH |
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 | ||
a0b38cc4 | 14 | #include <video/omapdss.h> |
5c7ab634 VH |
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 | */ | |
34 | enum 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 | */ | |
44 | struct 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 | ||
52 | struct omapvideo_info { | |
53 | int id; | |
54 | int num_overlays; | |
55 | struct omap_overlay *overlays[MAX_OVLS]; | |
56 | }; | |
57 | ||
58 | struct 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 */ | |
75 | struct 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 */ |