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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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06630aec92
Signed-off-by: Janne Grunau <j@jannau.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
304 lines
6.9 KiB
C
304 lines
6.9 KiB
C
/*
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* Hauppauge HD PVR USB driver
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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/usb.h>
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#include <linux/i2c.h>
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#include <linux/mutex.h>
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#include <linux/workqueue.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#define HDPVR_MAJOR_VERSION 0
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#define HDPVR_MINOR_VERSION 2
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#define HDPVR_RELEASE 0
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#define HDPVR_VERSION \
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KERNEL_VERSION(HDPVR_MAJOR_VERSION, HDPVR_MINOR_VERSION, HDPVR_RELEASE)
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#define HDPVR_MAX 8
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/* Define these values to match your devices */
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#define HD_PVR_VENDOR_ID 0x2040
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#define HD_PVR_PRODUCT_ID 0x4900
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#define HD_PVR_PRODUCT_ID1 0x4901
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#define HD_PVR_PRODUCT_ID2 0x4902
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#define UNSET (-1U)
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#define NUM_BUFFERS 64
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#define HDPVR_FIRMWARE_VERSION 0x8
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#define HDPVR_FIRMWARE_VERSION_AC3 0xd
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/* #define HDPVR_DEBUG */
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extern int hdpvr_debug;
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#define MSG_INFO 1
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#define MSG_BUFFER 2
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struct hdpvr_options {
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u8 video_std;
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u8 video_input;
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u8 audio_input;
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u8 bitrate; /* in 100kbps */
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u8 peak_bitrate; /* in 100kbps */
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u8 bitrate_mode;
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u8 gop_mode;
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enum v4l2_mpeg_audio_encoding audio_codec;
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u8 brightness;
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u8 contrast;
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u8 hue;
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u8 saturation;
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u8 sharpness;
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};
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/* Structure to hold all of our device specific stuff */
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struct hdpvr_device {
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/* the v4l device for this device */
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struct video_device *video_dev;
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/* the usb device for this device */
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struct usb_device *udev;
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/* v4l2-device unused */
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struct v4l2_device v4l2_dev;
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/* the max packet size of the bulk endpoint */
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size_t bulk_in_size;
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/* the address of the bulk in endpoint */
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__u8 bulk_in_endpointAddr;
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/* holds the current device status */
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__u8 status;
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/* count the number of openers */
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uint open_count;
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/* holds the cureent set options */
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struct hdpvr_options options;
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uint flags;
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/* synchronize I/O */
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struct mutex io_mutex;
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/* available buffers */
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struct list_head free_buff_list;
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/* in progress buffers */
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struct list_head rec_buff_list;
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/* waitqueue for buffers */
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wait_queue_head_t wait_buffer;
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/* waitqueue for data */
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wait_queue_head_t wait_data;
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/**/
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struct workqueue_struct *workqueue;
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/**/
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struct work_struct worker;
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/* I2C adapter */
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struct i2c_adapter *i2c_adapter;
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/* I2C lock */
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struct mutex i2c_mutex;
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/* usb control transfer buffer and lock */
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struct mutex usbc_mutex;
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u8 *usbc_buf;
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};
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/* buffer one bulk urb of data */
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struct hdpvr_buffer {
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struct list_head buff_list;
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struct urb *urb;
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struct hdpvr_device *dev;
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uint pos;
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__u8 status;
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};
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/* */
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struct hdpvr_video_info {
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u16 width;
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u16 height;
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u8 fps;
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};
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enum {
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STATUS_UNINITIALIZED = 0,
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STATUS_IDLE,
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STATUS_STARTING,
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STATUS_SHUTTING_DOWN,
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STATUS_STREAMING,
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STATUS_ERROR,
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STATUS_DISCONNECTED,
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};
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enum {
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HDPVR_FLAG_AC3_CAP = 1,
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};
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enum {
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BUFSTAT_UNINITIALIZED = 0,
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BUFSTAT_AVAILABLE,
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BUFSTAT_INPROGRESS,
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BUFSTAT_READY,
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};
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#define CTRL_START_STREAMING_VALUE 0x0700
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#define CTRL_STOP_STREAMING_VALUE 0x0800
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#define CTRL_BITRATE_VALUE 0x1000
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#define CTRL_BITRATE_MODE_VALUE 0x1200
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#define CTRL_GOP_MODE_VALUE 0x1300
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#define CTRL_VIDEO_INPUT_VALUE 0x1500
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#define CTRL_VIDEO_STD_TYPE 0x1700
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#define CTRL_AUDIO_INPUT_VALUE 0x2500
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#define CTRL_BRIGHTNESS 0x2900
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#define CTRL_CONTRAST 0x2a00
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#define CTRL_HUE 0x2b00
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#define CTRL_SATURATION 0x2c00
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#define CTRL_SHARPNESS 0x2d00
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#define CTRL_LOW_PASS_FILTER_VALUE 0x3100
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#define CTRL_DEFAULT_INDEX 0x0003
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/* :0 s 38 01 1000 0003 0004 4 = 0a00ca00
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* BITRATE SETTING
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* 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s
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* min: 1 mbit/s, max: 13.5 mbit/s
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* 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s
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* min: average + 100kbit/s,
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* max: 20.2 mbit/s
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*/
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/* :0 s 38 01 1200 0003 0001 1 = 02
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* BIT RATE MODE
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* constant = 1, variable (peak) = 2, variable (average) = 3
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*/
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/* :0 s 38 01 1300 0003 0001 1 = 03
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* GOP MODE (2 bit)
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* low bit 0/1: advanced/simple GOP
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* high bit 0/1: IDR(4/32/128) / no IDR (4/32/0)
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*/
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/* :0 s 38 01 1700 0003 0001 1 = 00
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* VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz
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*/
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/* :0 s 38 01 3100 0003 0004 4 = 03030000
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* FILTER CONTROL
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* 1st byte luma low pass filter strength,
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* 2nd byte chroma low pass filter strength,
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* 3rd byte MF enable chroma, min=0, max=1
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* 4th byte n
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*/
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/* :0 s 38 b9 0001 0000 0000 0 */
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/* :0 s 38 d3 0000 0000 0001 1 = 00 */
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/* ret = usb_control_msg(dev->udev, */
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/* usb_sndctrlpipe(dev->udev, 0), */
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/* 0xd3, 0x38, */
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/* 0, 0, */
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/* "\0", 1, */
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/* 1000); */
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/* info("control request returned %d", ret); */
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/* msleep(5000); */
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/* :0 s b8 81 1400 0003 0005 5 <
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* :0 0 5 = d0024002 19
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* QUERY FRAME SIZE AND RATE
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* 1st and 2nd byte (little endian): horizontal resolution
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* 3rd and 4th byte (little endian): vertical resolution
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* 5th byte: frame rate
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*/
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/* :0 s b8 81 1800 0003 0003 3 <
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* :0 0 3 = 030104
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* QUERY SIGNAL AND DETECTED LINES, maybe INPUT
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*/
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enum hdpvr_video_std {
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HDPVR_60HZ = 0,
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HDPVR_50HZ,
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};
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enum hdpvr_video_input {
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HDPVR_COMPONENT = 0,
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HDPVR_SVIDEO,
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HDPVR_COMPOSITE,
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HDPVR_VIDEO_INPUTS
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};
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enum hdpvr_audio_inputs {
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HDPVR_RCA_BACK = 0,
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HDPVR_RCA_FRONT,
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HDPVR_SPDIF,
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HDPVR_AUDIO_INPUTS
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};
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enum hdpvr_bitrate_mode {
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HDPVR_CONSTANT = 1,
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HDPVR_VARIABLE_PEAK,
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HDPVR_VARIABLE_AVERAGE,
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};
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enum hdpvr_gop_mode {
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HDPVR_ADVANCED_IDR_GOP = 0,
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HDPVR_SIMPLE_IDR_GOP,
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HDPVR_ADVANCED_NOIDR_GOP,
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HDPVR_SIMPLE_NOIDR_GOP,
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};
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void hdpvr_delete(struct hdpvr_device *dev);
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/*========================================================================*/
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/* hardware control functions */
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int hdpvr_set_options(struct hdpvr_device *dev);
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int hdpvr_set_bitrate(struct hdpvr_device *dev);
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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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int hdpvr_config_call(struct hdpvr_device *dev, uint value,
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unsigned char valbuf);
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struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev);
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/* :0 s b8 81 1800 0003 0003 3 < */
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/* :0 0 3 = 0301ff */
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int get_input_lines_info(struct hdpvr_device *dev);
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/*========================================================================*/
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/* v4l2 registration */
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int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
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int devnumber);
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int hdpvr_cancel_queue(struct hdpvr_device *dev);
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/*========================================================================*/
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/* i2c adapter registration */
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int hdpvr_register_i2c_adapter(struct hdpvr_device *dev);
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/*========================================================================*/
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/* buffer management */
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int hdpvr_free_buffers(struct hdpvr_device *dev);
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int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count);
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