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1c2ca35294
It were using 7 spaces instead of tab for indent. Cc: Janne Grunau <j@jannau.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
202 lines
5.0 KiB
C
202 lines
5.0 KiB
C
/*
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* Hauppauge HD PVR USB driver - video 4 linux 2 interface
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*
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* Copyright (C) 2008 Janne Grunau (j@jannau.net)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/mutex.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include "hdpvr.h"
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int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)
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{
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int ret;
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char request_type = 0x38, snd_request = 0x01;
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msleep(10);
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mutex_lock(&dev->usbc_mutex);
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dev->usbc_buf[0] = valbuf;
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ret = usb_control_msg(dev->udev,
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usb_sndctrlpipe(dev->udev, 0),
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snd_request, 0x00 | request_type,
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value, CTRL_DEFAULT_INDEX,
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dev->usbc_buf, 1, 10000);
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mutex_unlock(&dev->usbc_mutex);
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v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
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"config call request for value 0x%x returned %d\n", value,
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ret);
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return ret < 0 ? ret : 0;
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}
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struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev)
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{
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struct hdpvr_video_info *vidinf = NULL;
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#ifdef HDPVR_DEBUG
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char print_buf[15];
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#endif
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int ret;
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vidinf = kzalloc(sizeof(struct hdpvr_video_info), GFP_KERNEL);
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if (!vidinf) {
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v4l2_err(&dev->v4l2_dev, "out of memory\n");
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goto err;
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}
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mutex_lock(&dev->usbc_mutex);
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ret = usb_control_msg(dev->udev,
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usb_rcvctrlpipe(dev->udev, 0),
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0x81, 0x80 | 0x38,
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0x1400, 0x0003,
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dev->usbc_buf, 5,
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1000);
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if (ret == 5) {
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vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
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vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
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vidinf->fps = dev->usbc_buf[4];
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}
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#ifdef HDPVR_DEBUG
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if (hdpvr_debug & MSG_INFO) {
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hex_dump_to_buffer(dev->usbc_buf, 5, 16, 1, print_buf,
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sizeof(print_buf), 0);
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v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
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"get video info returned: %d, %s\n", ret, print_buf);
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}
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#endif
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mutex_unlock(&dev->usbc_mutex);
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if (!vidinf->width || !vidinf->height || !vidinf->fps) {
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kfree(vidinf);
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vidinf = NULL;
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}
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err:
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return vidinf;
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}
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int get_input_lines_info(struct hdpvr_device *dev)
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{
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#ifdef HDPVR_DEBUG
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char print_buf[9];
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#endif
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int ret, lines;
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mutex_lock(&dev->usbc_mutex);
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ret = usb_control_msg(dev->udev,
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usb_rcvctrlpipe(dev->udev, 0),
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0x81, 0x80 | 0x38,
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0x1800, 0x0003,
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dev->usbc_buf, 3,
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1000);
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#ifdef HDPVR_DEBUG
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if (hdpvr_debug & MSG_INFO) {
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hex_dump_to_buffer(dev->usbc_buf, 3, 16, 1, print_buf,
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sizeof(print_buf), 0);
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v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
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"get input lines info returned: %d, %s\n", ret,
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print_buf);
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}
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#endif
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lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
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mutex_unlock(&dev->usbc_mutex);
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return lines;
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}
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int hdpvr_set_bitrate(struct hdpvr_device *dev)
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{
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int ret;
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mutex_lock(&dev->usbc_mutex);
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memset(dev->usbc_buf, 0, 4);
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dev->usbc_buf[0] = dev->options.bitrate;
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dev->usbc_buf[2] = dev->options.peak_bitrate;
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ret = usb_control_msg(dev->udev,
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usb_sndctrlpipe(dev->udev, 0),
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0x01, 0x38, CTRL_BITRATE_VALUE,
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CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);
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mutex_unlock(&dev->usbc_mutex);
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return ret;
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}
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int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
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enum v4l2_mpeg_audio_encoding codec)
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{
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int ret = 0;
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if (dev->flags & HDPVR_FLAG_AC3_CAP) {
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mutex_lock(&dev->usbc_mutex);
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memset(dev->usbc_buf, 0, 2);
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dev->usbc_buf[0] = input;
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if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC)
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dev->usbc_buf[1] = 0;
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else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3)
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dev->usbc_buf[1] = 1;
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else {
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mutex_unlock(&dev->usbc_mutex);
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v4l2_err(&dev->v4l2_dev, "invalid audio codec %d\n",
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codec);
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ret = -EINVAL;
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goto error;
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}
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ret = usb_control_msg(dev->udev,
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usb_sndctrlpipe(dev->udev, 0),
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0x01, 0x38, CTRL_AUDIO_INPUT_VALUE,
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CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,
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1000);
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mutex_unlock(&dev->usbc_mutex);
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if (ret == 2)
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ret = 0;
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} else
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ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE,
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dev->options.audio_input+1);
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error:
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return ret;
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}
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int hdpvr_set_options(struct hdpvr_device *dev)
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{
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hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);
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hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE,
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dev->options.video_input+1);
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hdpvr_set_audio(dev, dev->options.audio_input+1,
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dev->options.audio_codec);
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hdpvr_set_bitrate(dev);
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hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
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dev->options.bitrate_mode);
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hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode);
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hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness);
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hdpvr_config_call(dev, CTRL_CONTRAST, dev->options.contrast);
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hdpvr_config_call(dev, CTRL_HUE, dev->options.hue);
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hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation);
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hdpvr_config_call(dev, CTRL_SHARPNESS, dev->options.sharpness);
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return 0;
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}
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