blob: 2c5b3eacf5270206968af9238557f300ae7d7c9d (
plain)
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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2008-2009 Texas Instruments Inc
*/
#ifndef _VPFE_CAPTURE_H
#define _VPFE_CAPTURE_H
#ifdef __KERNEL__
/* Header files */
#include <media/v4l2-dev.h>
#include <linux/videodev2.h>
#include <linux/clk.h>
#include <linux/i2c.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/videobuf-dma-contig.h>
#include <media/davinci/vpfe_types.h>
#define VPFE_CAPTURE_NUM_DECODERS 5
/* Macros */
#define VPFE_MAJOR_RELEASE 0
#define VPFE_MINOR_RELEASE 0
#define VPFE_BUILD 1
#define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \
(VPFE_MINOR_RELEASE << 8) | \
VPFE_BUILD)
#define CAPTURE_DRV_NAME "vpfe-capture"
struct vpfe_pixel_format {
struct v4l2_fmtdesc fmtdesc;
/* bytes per pixel */
int bpp;
};
struct vpfe_std_info {
int active_pixels;
int active_lines;
/* current frame format */
int frame_format;
};
struct vpfe_route {
u32 input;
u32 output;
};
struct vpfe_subdev_info {
/* Sub device name */
char name[32];
/* Sub device group id */
int grp_id;
/* Number of inputs supported */
int num_inputs;
/* inputs available at the sub device */
struct v4l2_input *inputs;
/* Sub dev routing information for each input */
struct vpfe_route *routes;
/* check if sub dev supports routing */
int can_route;
/* ccdc bus/interface configuration */
struct vpfe_hw_if_param ccdc_if_params;
/* i2c subdevice board info */
struct i2c_board_info board_info;
};
struct vpfe_config {
/* Number of sub devices connected to vpfe */
int num_subdevs;
/* i2c bus adapter no */
int i2c_adapter_id;
/* information about each subdev */
struct vpfe_subdev_info *sub_devs;
/* evm card info */
char *card_name;
/* ccdc name */
char *ccdc;
/* vpfe clock */
struct clk *vpssclk;
struct clk *slaveclk;
/* Function for Clearing the interrupt */
void (*clr_intr)(int vdint);
};
struct vpfe_device {
/* V4l2 specific parameters */
/* Identifies video device for this channel */
struct video_device video_dev;
/* sub devices */
struct v4l2_subdev **sd;
/* vpfe cfg */
struct vpfe_config *cfg;
/* V4l2 device */
struct v4l2_device v4l2_dev;
/* parent device */
struct device *pdev;
/* number of open instances of the channel */
u32 usrs;
/* Indicates id of the field which is being displayed */
u32 field_id;
/* flag to indicate whether decoder is initialized */
u8 initialized;
/* current interface type */
struct vpfe_hw_if_param vpfe_if_params;
/* ptr to currently selected sub device */
struct vpfe_subdev_info *current_subdev;
/* current input at the sub device */
int current_input;
/* Keeps track of the information about the standard */
struct vpfe_std_info std_info;
/* std index into std table */
int std_index;
/* CCDC IRQs used when CCDC/ISIF output to SDRAM */
unsigned int ccdc_irq0;
unsigned int ccdc_irq1;
/* number of buffers in fbuffers */
u32 numbuffers;
/* List of buffer pointers for storing frames */
u8 *fbuffers[VIDEO_MAX_FRAME];
/* Pointer pointing to current v4l2_buffer */
struct videobuf_buffer *cur_frm;
/* Pointer pointing to next v4l2_buffer */
struct videobuf_buffer *next_frm;
/*
* This field keeps track of type of buffer exchange mechanism
* user has selected
*/
enum v4l2_memory memory;
/* Used to store pixel format */
struct v4l2_format fmt;
/*
* used when IMP is chained to store the crop window which
* is different from the image window
*/
struct v4l2_rect crop;
/* Buffer queue used in video-buf */
struct videobuf_queue buffer_queue;
/* Queue of filled frames */
struct list_head dma_queue;
/* Used in video-buf */
spinlock_t irqlock;
/* IRQ lock for DMA queue */
spinlock_t dma_queue_lock;
/* lock used to access this structure */
struct mutex lock;
/* number of users performing IO */
u32 io_usrs;
/* Indicates whether streaming started */
u8 started;
/*
* offset where second field starts from the starting of the
* buffer for field separated YCbCr formats
*/
u32 field_off;
};
/* File handle structure */
struct vpfe_fh {
struct v4l2_fh fh;
struct vpfe_device *vpfe_dev;
/* Indicates whether this file handle is doing IO */
u8 io_allowed;
};
struct vpfe_config_params {
u8 min_numbuffers;
u8 numbuffers;
u32 min_bufsize;
u32 device_bufsize;
};
#endif /* End of __KERNEL__ */
#endif /* _DAVINCI_VPFE_H */
|
