1 // SPDX-License-Identifier: GPL-2.0-only
3  * Hauppauge HD PVR USB driver - video 4 linux 2 interface
18 #include <media/v4l2-common.h>
23 int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)  in hdpvr_config_call()  argument
26 	char request_type = 0x38, snd_request = 0x01;  in hdpvr_config_call()
28 	mutex_lock(&dev->usbc_mutex);  in hdpvr_config_call()
29 	dev->usbc_buf[0] = valbuf;  in hdpvr_config_call()
30 	ret = usb_control_msg(dev->udev,  in hdpvr_config_call()
31 			      usb_sndctrlpipe(dev->udev, 0),  in hdpvr_config_call()
32 			      snd_request, 0x00 | request_type,  in hdpvr_config_call()
34 			      dev->usbc_buf, 1, 10000);  in hdpvr_config_call()
36 	mutex_unlock(&dev->usbc_mutex);  in hdpvr_config_call()
37 	v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,  in hdpvr_config_call()
38 		 "config call request for value 0x%x returned %d\n", value,  in hdpvr_config_call()
41 	return ret < 0 ? ret : 0;  in hdpvr_config_call()
44 int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vidinf)  in get_video_info()  argument
48 	vidinf->valid = false;  in get_video_info()
49 	mutex_lock(&dev->usbc_mutex);  in get_video_info()
50 	ret = usb_control_msg(dev->udev,  in get_video_info()
51 			      usb_rcvctrlpipe(dev->udev, 0),  in get_video_info()
52 			      0x81, 0x80 | 0x38,  in get_video_info()
53 			      0x1400, 0x0003,  in get_video_info()
54 			      dev->usbc_buf, 5,  in get_video_info()
59 		v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,  in get_video_info()
61 			 dev->usbc_buf);  in get_video_info()
63 	mutex_unlock(&dev->usbc_mutex);  in get_video_info()
65 	if (ret < 0)  in get_video_info()
68 	vidinf->width	= dev->usbc_buf[1] << 8 | dev->usbc_buf[0];  in get_video_info()
69 	vidinf->height	= dev->usbc_buf[3] << 8 | dev->usbc_buf[2];  in get_video_info()
70 	vidinf->fps	= dev->usbc_buf[4];  in get_video_info()
71 	vidinf->valid   = vidinf->width && vidinf->height && vidinf->fps;  in get_video_info()
73 	return 0;  in get_video_info()
76 int get_input_lines_info(struct hdpvr_device *dev)  in get_input_lines_info()  argument
80 	mutex_lock(&dev->usbc_mutex);  in get_input_lines_info()
81 	ret = usb_control_msg(dev->udev,  in get_input_lines_info()
82 			      usb_rcvctrlpipe(dev->udev, 0),  in get_input_lines_info()
83 			      0x81, 0x80 | 0x38,  in get_input_lines_info()
84 			      0x1800, 0x0003,  in get_input_lines_info()
85 			      dev->usbc_buf, 3,  in get_input_lines_info()
90 		v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,  in get_input_lines_info()
92 			 dev->usbc_buf);  in get_input_lines_info()
96 	lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];  in get_input_lines_info()
97 	mutex_unlock(&dev->usbc_mutex);  in get_input_lines_info()
102 int hdpvr_set_bitrate(struct hdpvr_device *dev)  in hdpvr_set_bitrate()  argument
106 	mutex_lock(&dev->usbc_mutex);  in hdpvr_set_bitrate()
107 	memset(dev->usbc_buf, 0, 4);  in hdpvr_set_bitrate()
108 	dev->usbc_buf[0] = dev->options.bitrate;  in hdpvr_set_bitrate()
109 	dev->usbc_buf[2] = dev->options.peak_bitrate;  in hdpvr_set_bitrate()
111 	ret = usb_control_msg(dev->udev,  in hdpvr_set_bitrate()
112 			      usb_sndctrlpipe(dev->udev, 0),  in hdpvr_set_bitrate()
113 			      0x01, 0x38, CTRL_BITRATE_VALUE,  in hdpvr_set_bitrate()
114 			      CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);  in hdpvr_set_bitrate()
115 	mutex_unlock(&dev->usbc_mutex);  in hdpvr_set_bitrate()
120 int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,  in hdpvr_set_audio()  argument
123 	int ret = 0;  in hdpvr_set_audio()
125 	if (dev->flags & HDPVR_FLAG_AC3_CAP) {  in hdpvr_set_audio()
126 		mutex_lock(&dev->usbc_mutex);  in hdpvr_set_audio()
127 		memset(dev->usbc_buf, 0, 2);  in hdpvr_set_audio()
128 		dev->usbc_buf[0] = input;  in hdpvr_set_audio()
130 			dev->usbc_buf[1] = 0;  in hdpvr_set_audio()
132 			dev->usbc_buf[1] = 1;  in hdpvr_set_audio()
134 			mutex_unlock(&dev->usbc_mutex);  in hdpvr_set_audio()
135 			v4l2_err(&dev->v4l2_dev, "invalid audio codec %d\n",  in hdpvr_set_audio()
137 			ret = -EINVAL;  in hdpvr_set_audio()
141 		ret = usb_control_msg(dev->udev,  in hdpvr_set_audio()
142 				      usb_sndctrlpipe(dev->udev, 0),  in hdpvr_set_audio()
143 				      0x01, 0x38, CTRL_AUDIO_INPUT_VALUE,  in hdpvr_set_audio()
144 				      CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,  in hdpvr_set_audio()
146 		mutex_unlock(&dev->usbc_mutex);  in hdpvr_set_audio()
148 			ret = 0;  in hdpvr_set_audio()
150 		ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE, input);  in hdpvr_set_audio()
155 int hdpvr_set_options(struct hdpvr_device *dev)  in hdpvr_set_options()  argument
157 	hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);  in hdpvr_set_options()
159 	hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE,  in hdpvr_set_options()
160 			 dev->options.video_input+1);  in hdpvr_set_options()
162 	hdpvr_set_audio(dev, dev->options.audio_input+1,  in hdpvr_set_options()
163 		       dev->options.audio_codec);  in hdpvr_set_options()
165 	hdpvr_set_bitrate(dev);  in hdpvr_set_options()
166 	hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,  in hdpvr_set_options()
167 			 dev->options.bitrate_mode);  in hdpvr_set_options()
168 	hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode);  in hdpvr_set_options()
170 	hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness);  in hdpvr_set_options()
171 	hdpvr_config_call(dev, CTRL_CONTRAST,   dev->options.contrast);  in hdpvr_set_options()
172 	hdpvr_config_call(dev, CTRL_HUE,        dev->options.hue);  in hdpvr_set_options()
173 	hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation);  in hdpvr_set_options()
174 	hdpvr_config_call(dev, CTRL_SHARPNESS,  dev->options.sharpness);  in hdpvr_set_options()
176 	return 0;  in hdpvr_set_options()