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12#include <linux/kernel.h>
13#include <linux/errno.h>
14#include <linux/init.h>
15#include <linux/slab.h>
16#include <linux/module.h>
17#include <linux/usb.h>
18#include <linux/mutex.h>
19
20#include <linux/videodev2.h>
21
22#include <media/v4l2-common.h>
23
24#include "hdpvr.h"
25
26
27int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)
28{
29 int ret;
30 char request_type = 0x38, snd_request = 0x01;
31
32 mutex_lock(&dev->usbc_mutex);
33 dev->usbc_buf[0] = valbuf;
34 ret = usb_control_msg(dev->udev,
35 usb_sndctrlpipe(dev->udev, 0),
36 snd_request, 0x00 | request_type,
37 value, CTRL_DEFAULT_INDEX,
38 dev->usbc_buf, 1, 10000);
39
40 mutex_unlock(&dev->usbc_mutex);
41 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
42 "config call request for value 0x%x returned %d\n", value,
43 ret);
44
45 return ret < 0 ? ret : 0;
46}
47
48int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vidinf)
49{
50 int ret;
51
52 vidinf->valid = false;
53 mutex_lock(&dev->usbc_mutex);
54 ret = usb_control_msg(dev->udev,
55 usb_rcvctrlpipe(dev->udev, 0),
56 0x81, 0x80 | 0x38,
57 0x1400, 0x0003,
58 dev->usbc_buf, 5,
59 1000);
60
61#ifdef HDPVR_DEBUG
62 if (hdpvr_debug & MSG_INFO)
63 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
64 "get video info returned: %d, %5ph\n", ret,
65 dev->usbc_buf);
66#endif
67 mutex_unlock(&dev->usbc_mutex);
68
69 if (ret < 0)
70 return ret;
71
72 vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
73 vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
74 vidinf->fps = dev->usbc_buf[4];
75 vidinf->valid = vidinf->width && vidinf->height && vidinf->fps;
76
77 return 0;
78}
79
80int get_input_lines_info(struct hdpvr_device *dev)
81{
82 int ret, lines;
83
84 mutex_lock(&dev->usbc_mutex);
85 ret = usb_control_msg(dev->udev,
86 usb_rcvctrlpipe(dev->udev, 0),
87 0x81, 0x80 | 0x38,
88 0x1800, 0x0003,
89 dev->usbc_buf, 3,
90 1000);
91
92#ifdef HDPVR_DEBUG
93 if (hdpvr_debug & MSG_INFO)
94 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
95 "get input lines info returned: %d, %3ph\n", ret,
96 dev->usbc_buf);
97#else
98 (void)ret;
99#endif
100 lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
101 mutex_unlock(&dev->usbc_mutex);
102 return lines;
103}
104
105
106int hdpvr_set_bitrate(struct hdpvr_device *dev)
107{
108 int ret;
109
110 mutex_lock(&dev->usbc_mutex);
111 memset(dev->usbc_buf, 0, 4);
112 dev->usbc_buf[0] = dev->options.bitrate;
113 dev->usbc_buf[2] = dev->options.peak_bitrate;
114
115 ret = usb_control_msg(dev->udev,
116 usb_sndctrlpipe(dev->udev, 0),
117 0x01, 0x38, CTRL_BITRATE_VALUE,
118 CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);
119 mutex_unlock(&dev->usbc_mutex);
120
121 return ret;
122}
123
124int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
125 enum v4l2_mpeg_audio_encoding codec)
126{
127 int ret = 0;
128
129 if (dev->flags & HDPVR_FLAG_AC3_CAP) {
130 mutex_lock(&dev->usbc_mutex);
131 memset(dev->usbc_buf, 0, 2);
132 dev->usbc_buf[0] = input;
133 if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC)
134 dev->usbc_buf[1] = 0;
135 else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3)
136 dev->usbc_buf[1] = 1;
137 else {
138 mutex_unlock(&dev->usbc_mutex);
139 v4l2_err(&dev->v4l2_dev, "invalid audio codec %d\n",
140 codec);
141 ret = -EINVAL;
142 goto error;
143 }
144
145 ret = usb_control_msg(dev->udev,
146 usb_sndctrlpipe(dev->udev, 0),
147 0x01, 0x38, CTRL_AUDIO_INPUT_VALUE,
148 CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,
149 1000);
150 mutex_unlock(&dev->usbc_mutex);
151 if (ret == 2)
152 ret = 0;
153 } else
154 ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE, input);
155error:
156 return ret;
157}
158
159int hdpvr_set_options(struct hdpvr_device *dev)
160{
161 hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);
162
163 hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE,
164 dev->options.video_input+1);
165
166 hdpvr_set_audio(dev, dev->options.audio_input+1,
167 dev->options.audio_codec);
168
169 hdpvr_set_bitrate(dev);
170 hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
171 dev->options.bitrate_mode);
172 hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode);
173
174 hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness);
175 hdpvr_config_call(dev, CTRL_CONTRAST, dev->options.contrast);
176 hdpvr_config_call(dev, CTRL_HUE, dev->options.hue);
177 hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation);
178 hdpvr_config_call(dev, CTRL_SHARPNESS, dev->options.sharpness);
179
180 return 0;
181}
182
