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
|
/*
* Hauppauge HD PVR USB driver - video 4 linux 2 interface
*
* Copyright (C) 2008 Janne Grunau (j@jannau.net)
*
* 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.
*
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include "hdpvr.h"
int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)
{
int ret;
char request_type = 0x38, snd_request = 0x01;
mutex_lock(&dev->usbc_mutex);
dev->usbc_buf[0] = valbuf;
ret = usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
snd_request, 0x00 | request_type,
value, CTRL_DEFAULT_INDEX,
dev->usbc_buf, 1, 10000);
mutex_unlock(&dev->usbc_mutex);
v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
"config call request for value 0x%x returned %d\n", value,
ret);
return ret < 0 ? ret : 0;
}
struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev)
{
struct hdpvr_video_info *vidinf = NULL;
#ifdef HDPVR_DEBUG
char print_buf[15];
#endif
int ret;
vidinf = kzalloc(sizeof(struct hdpvr_video_info), GFP_KERNEL);
if (!vidinf) {
v4l2_err(&dev->v4l2_dev, "out of memory\n");
goto err;
}
mutex_lock(&dev->usbc_mutex);
ret = usb_control_msg(dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
0x81, 0x80 | 0x38,
0x1400, 0x0003,
dev->usbc_buf, 5,
1000);
if (ret == 5) {
vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
vidinf->fps = dev->usbc_buf[4];
}
#ifdef HDPVR_DEBUG
if (hdpvr_debug & MSG_INFO) {
hex_dump_to_buffer(dev->usbc_buf, 5, 16, 1, print_buf,
sizeof(print_buf), 0);
v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
"get video info returned: %d, %s\n", ret, print_buf);
}
#endif
mutex_unlock(&dev->usbc_mutex);
if (!vidinf->width || !vidinf->height || !vidinf->fps) {
kfree(vidinf);
vidinf = NULL;
}
err:
return vidinf;
}
int get_input_lines_info(struct hdpvr_device *dev)
{
#ifdef HDPVR_DEBUG
char print_buf[9];
#endif
int ret, lines;
mutex_lock(&dev->usbc_mutex);
ret = usb_control_msg(dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
0x81, 0x80 | 0x38,
0x1800, 0x0003,
dev->usbc_buf, 3,
1000);
#ifdef HDPVR_DEBUG
if (hdpvr_debug & MSG_INFO) {
hex_dump_to_buffer(dev->usbc_buf, 3, 16, 1, print_buf,
sizeof(print_buf), 0);
v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
"get input lines info returned: %d, %s\n", ret,
print_buf);
}
#endif
lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
mutex_unlock(&dev->usbc_mutex);
return lines;
}
int hdpvr_set_bitrate(struct hdpvr_device *dev)
{
int ret;
mutex_lock(&dev->usbc_mutex);
memset(dev->usbc_buf, 0, 4);
dev->usbc_buf[0] = dev->options.bitrate;
dev->usbc_buf[2] = dev->options.peak_bitrate;
ret = usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
0x01, 0x38, CTRL_BITRATE_VALUE,
CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);
mutex_unlock(&dev->usbc_mutex);
return ret;
}
int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
enum v4l2_mpeg_audio_encoding codec)
{
int ret = 0;
if (dev->flags & HDPVR_FLAG_AC3_CAP) {
mutex_lock(&dev->usbc_mutex);
memset(dev->usbc_buf, 0, 2);
dev->usbc_buf[0] = input;
if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC)
dev->usbc_buf[1] = 0;
else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3)
dev->usbc_buf[1] = 1;
else {
mutex_unlock(&dev->usbc_mutex);
v4l2_err(&dev->v4l2_dev, "invalid audio codec %d\n",
codec);
ret = -EINVAL;
goto error;
}
ret = usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
0x01, 0x38, CTRL_AUDIO_INPUT_VALUE,
CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,
1000);
mutex_unlock(&dev->usbc_mutex);
if (ret == 2)
ret = 0;
} else
ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE, input);
error:
return ret;
}
int hdpvr_set_options(struct hdpvr_device *dev)
{
hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);
hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE,
dev->options.video_input+1);
hdpvr_set_audio(dev, dev->options.audio_input+1,
dev->options.audio_codec);
hdpvr_set_bitrate(dev);
hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
dev->options.bitrate_mode);
hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode);
hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness);
hdpvr_config_call(dev, CTRL_CONTRAST, dev->options.contrast);
hdpvr_config_call(dev, CTRL_HUE, dev->options.hue);
hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation);
hdpvr_config_call(dev, CTRL_SHARPNESS, dev->options.sharpness);
return 0;
}
|
