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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright (C) 2010 Texas Instruments Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _VPBE_H
#define _VPBE_H
#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/davinci/vpbe_osd.h>
#include <media/davinci/vpbe_venc.h>
#include <media/davinci/vpbe_types.h>
/* OSD configuration info */
struct osd_config_info {
char module_name[32];
};
struct vpbe_output {
struct v4l2_output output;
/*
* If output capabilities include dv_timings, list supported timings
* below
*/
char *subdev_name;
/*
* defualt_mode identifies the default timings set at the venc or
* external encoder.
*/
char *default_mode;
/*
* Fields below are used for supporting multiple modes. For example,
* LCD panel might support different modes and they are listed here.
* Similarly for supporting external encoders, lcd controller port
* requires a set of non-standard timing values to be listed here for
* each supported mode since venc is used in non-standard timing mode
* for interfacing with external encoder similar to configuring lcd
* panel timings
*/
unsigned int num_modes;
struct vpbe_enc_mode_info *modes;
/*
* Bus configuration goes here for external encoders. Some encoders
* may require multiple interface types for each of the output. For
* example, SD modes would use YCC8 where as HD mode would use YCC16.
* Not sure if this is needed on a per mode basis instead of per
* output basis. If per mode is needed, we may have to move this to
* mode_info structure
*/
enum v4l2_mbus_pixelcode if_params;
};
/* encoder configuration info */
struct encoder_config_info {
char module_name[32];
/* Is this an i2c device ? */
unsigned int is_i2c:1;
/* i2c subdevice board info */
struct i2c_board_info board_info;
};
/*amplifier configuration info */
struct amp_config_info {
char module_name[32];
/* Is this an i2c device ? */
unsigned int is_i2c:1;
/* i2c subdevice board info */
struct i2c_board_info board_info;
};
/* structure for defining vpbe display subsystem components */
struct vpbe_config {
char module_name[32];
/* i2c bus adapter no */
int i2c_adapter_id;
struct osd_config_info osd;
struct encoder_config_info venc;
/* external encoder information goes here */
int num_ext_encoders;
struct encoder_config_info *ext_encoders;
/* amplifier information goes here */
struct amp_config_info *amp;
int num_outputs;
/* Order is venc outputs followed by LCD and then external encoders */
struct vpbe_output *outputs;
};
struct vpbe_device;
struct vpbe_device_ops {
/* crop cap for the display */
int (*g_cropcap)(struct vpbe_device *vpbe_dev,
struct v4l2_cropcap *cropcap);
/* Enumerate the outputs */
int (*enum_outputs)(struct vpbe_device *vpbe_dev,
struct v4l2_output *output);
/* Set output to the given index */
int (*set_output)(struct vpbe_device *vpbe_dev,
int index);
/* Get current output */
unsigned int (*get_output)(struct vpbe_device *vpbe_dev);
/* Set DV preset at current output */
int (*s_dv_timings)(struct vpbe_device *vpbe_dev,
struct v4l2_dv_timings *dv_timings);
/* Get DV presets supported at the output */
int (*g_dv_timings)(struct vpbe_device *vpbe_dev,
struct v4l2_dv_timings *dv_timings);
/* Enumerate the DV Presets supported at the output */
int (*enum_dv_timings)(struct vpbe_device *vpbe_dev,
struct v4l2_enum_dv_timings *timings_info);
/* Set std at the output */
int (*s_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id);
/* Get the current std at the output */
int (*g_std)(struct vpbe_device *vpbe_dev, v4l2_std_id *std_id);
/* initialize the device */
int (*initialize)(struct device *dev, struct vpbe_device *vpbe_dev);
/* De-initialize the device */
void (*deinitialize)(struct device *dev, struct vpbe_device *vpbe_dev);
/* Get the current mode info */
int (*get_mode_info)(struct vpbe_device *vpbe_dev,
struct vpbe_enc_mode_info*);
/*
* Set the current mode in the encoder. Alternate way of setting
* standard or DV preset or custom timings in the encoder
*/
int (*set_mode)(struct vpbe_device *vpbe_dev,
struct vpbe_enc_mode_info*);
/* Power management operations */
int (*suspend)(struct vpbe_device *vpbe_dev);
int (*resume)(struct vpbe_device *vpbe_dev);
};
/* struct for vpbe device */
struct vpbe_device {
/* V4l2 device */
struct v4l2_device v4l2_dev;
/* vpbe dispay controller cfg */
struct vpbe_config *cfg;
/* parent device */
struct device *pdev;
/* external encoder v4l2 sub devices */
struct v4l2_subdev **encoders;
/* current encoder index */
int current_sd_index;
/* external amplifier v4l2 subdevice */
struct v4l2_subdev *amp;
struct mutex lock;
/* device initialized */
int initialized;
/* vpbe dac clock */
struct clk *dac_clk;
/* osd_device pointer */
struct osd_state *osd_device;
/* venc device pointer */
struct venc_platform_data *venc_device;
/*
* fields below are accessed by users of vpbe_device. Not the
* ones above
*/
/* current output */
int current_out_index;
/* lock used by caller to do atomic operation on vpbe device */
/* current timings set in the controller */
struct vpbe_enc_mode_info current_timings;
/* venc sub device */
struct v4l2_subdev *venc;
/* device operations below */
struct vpbe_device_ops ops;
};
#endif
|
