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>
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()
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()
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()
54 			      dev->usbc_buf, 5,  in get_video_info()
59 		v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,  in get_video_info()
60 			 "get video info returned: %d, %5ph\n", ret,  in get_video_info()
61 			 dev->usbc_buf);  in get_video_info()
63 	mutex_unlock(&dev->usbc_mutex);  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()
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()
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()
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()
114 			      CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);  in hdpvr_set_bitrate()
115 	mutex_unlock(&dev->usbc_mutex);  in hdpvr_set_bitrate()
121 		    enum v4l2_mpeg_audio_encoding codec)  in hdpvr_set_audio()  argument
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()
129 		if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC)  in hdpvr_set_audio()
130 			dev->usbc_buf[1] = 0;  in hdpvr_set_audio()
131 		else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3)  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()
136 				 codec);  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()
144 				      CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,  in hdpvr_set_audio()
146 		mutex_unlock(&dev->usbc_mutex);  in hdpvr_set_audio()
157 	hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);  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()
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()