--- /dev/null
+/*
+ * 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;
+}
+
+int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vidinf)
+{
+ int ret;
+
+ vidinf->valid = false;
+ 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);
+
+#ifdef HDPVR_DEBUG
+ if (hdpvr_debug & MSG_INFO)
+ v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
+ "get video info returned: %d, %5ph\n", ret,
+ dev->usbc_buf);
+#endif
+ mutex_unlock(&dev->usbc_mutex);
+
+ if (ret < 0)
+ return ret;
+
+ 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];
+ vidinf->valid = vidinf->width && vidinf->height && vidinf->fps;
+
+ return 0;
+}
+
+int get_input_lines_info(struct hdpvr_device *dev)
+{
+ 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)
+ v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
+ "get input lines info returned: %d, %3ph\n", ret,
+ dev->usbc_buf);
+#else
+ (void)ret; /* suppress compiler warning */
+#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;
+}
Code Review / kvmfornfv.git / blobdiff