- 根目录:
- drivers
- media
- usb
- hdpvr
- hdpvr.h
/*
* Hauppauge HD PVR USB driver
*
* 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/usb.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/ir-kbd-i2c.h>
#define HDPVR_MAX 8
#define HDPVR_I2C_MAX_SIZE 128
/* Define these values to match your devices */
#define HD_PVR_VENDOR_ID 0x2040
#define HD_PVR_PRODUCT_ID 0x4900
#define HD_PVR_PRODUCT_ID1 0x4901
#define HD_PVR_PRODUCT_ID2 0x4902
#define HD_PVR_PRODUCT_ID4 0x4903
#define HD_PVR_PRODUCT_ID3 0x4982
#define UNSET (-1U)
#define NUM_BUFFERS 64
#define HDPVR_FIRMWARE_VERSION 0x08
#define HDPVR_FIRMWARE_VERSION_AC3 0x0d
#define HDPVR_FIRMWARE_VERSION_0X12 0x12
#define HDPVR_FIRMWARE_VERSION_0X15 0x15
#define HDPVR_FIRMWARE_VERSION_0X1E 0x1e
/* #define HDPVR_DEBUG */
extern int hdpvr_debug;
#define MSG_INFO 1
#define MSG_BUFFER 2
struct hdpvr_options {
u8 video_std;
u8 video_input;
u8 audio_input;
u8 bitrate; /* in 100kbps */
u8 peak_bitrate; /* in 100kbps */
u8 bitrate_mode;
u8 gop_mode;
enum v4l2_mpeg_audio_encoding audio_codec;
u8 brightness;
u8 contrast;
u8 hue;
u8 saturation;
u8 sharpness;
};
/* Structure to hold all of our device specific stuff */
struct hdpvr_device {
/* the v4l device for this device */
struct video_device *video_dev;
/* the control handler for this device */
struct v4l2_ctrl_handler hdl;
/* the usb device for this device */
struct usb_device *udev;
/* v4l2-device unused */
struct v4l2_device v4l2_dev;
struct { /* video mode/bitrate control cluster */
struct v4l2_ctrl *video_mode;
struct v4l2_ctrl *video_bitrate;
struct v4l2_ctrl *video_bitrate_peak;
};
/* v4l2 format */
uint width, height;
/* the max packet size of the bulk endpoint */
size_t bulk_in_size;
/* the address of the bulk in endpoint */
__u8 bulk_in_endpointAddr;
/* holds the current device status */
__u8 status;
/* holds the current set options */
struct hdpvr_options options;
v4l2_std_id cur_std;
struct v4l2_dv_timings cur_dv_timings;
uint flags;
/* synchronize I/O */
struct mutex io_mutex;
/* available buffers */
struct list_head free_buff_list;
/* in progress buffers */
struct list_head rec_buff_list;
/* waitqueue for buffers */
wait_queue_head_t wait_buffer;
/* waitqueue for data */
wait_queue_head_t wait_data;
/**/
struct workqueue_struct *workqueue;
/**/
struct work_struct worker;
/* current stream owner */
struct v4l2_fh *owner;
/* I2C adapter */
struct i2c_adapter i2c_adapter;
/* I2C lock */
struct mutex i2c_mutex;
/* I2C message buffer space */
char i2c_buf[HDPVR_I2C_MAX_SIZE];
/* For passing data to ir-kbd-i2c */
struct IR_i2c_init_data ir_i2c_init_data;
/* usb control transfer buffer and lock */
struct mutex usbc_mutex;
u8 *usbc_buf;
u8 fw_ver;
};
static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct hdpvr_device, v4l2_dev);
}
/* buffer one bulk urb of data */
struct hdpvr_buffer {
struct list_head buff_list;
struct urb *urb;
struct hdpvr_device *dev;
uint pos;
__u8 status;
};
/* */
struct hdpvr_video_info {
u16 width;
u16 height;
u8 fps;
};
enum {
STATUS_UNINITIALIZED = 0,
STATUS_IDLE,
STATUS_STARTING,
STATUS_SHUTTING_DOWN,
STATUS_STREAMING,
STATUS_ERROR,
STATUS_DISCONNECTED,
};
enum {
HDPVR_FLAG_AC3_CAP = 1,
};
enum {
BUFSTAT_UNINITIALIZED = 0,
BUFSTAT_AVAILABLE,
BUFSTAT_INPROGRESS,
BUFSTAT_READY,
};
#define CTRL_START_STREAMING_VALUE 0x0700
#define CTRL_STOP_STREAMING_VALUE 0x0800
#define CTRL_BITRATE_VALUE 0x1000
#define CTRL_BITRATE_MODE_VALUE 0x1200
#define CTRL_GOP_MODE_VALUE 0x1300
#define CTRL_VIDEO_INPUT_VALUE 0x1500
#define CTRL_VIDEO_STD_TYPE 0x1700
#define CTRL_AUDIO_INPUT_VALUE 0x2500
#define CTRL_BRIGHTNESS 0x2900
#define CTRL_CONTRAST 0x2a00
#define CTRL_HUE 0x2b00
#define CTRL_SATURATION 0x2c00
#define CTRL_SHARPNESS 0x2d00
#define CTRL_LOW_PASS_FILTER_VALUE 0x3100
#define CTRL_DEFAULT_INDEX 0x0003
/* :0 s 38 01 1000 0003 0004 4 = 0a00ca00
* BITRATE SETTING
* 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s
* min: 1 mbit/s, max: 13.5 mbit/s
* 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s
* min: average + 100kbit/s,
* max: 20.2 mbit/s
*/
/* :0 s 38 01 1200 0003 0001 1 = 02
* BIT RATE MODE
* constant = 1, variable (peak) = 2, variable (average) = 3
*/
/* :0 s 38 01 1300 0003 0001 1 = 03
* GOP MODE (2 bit)
* low bit 0/1: advanced/simple GOP
* high bit 0/1: IDR(4/32/128) / no IDR (4/32/0)
*/
/* :0 s 38 01 1700 0003 0001 1 = 00
* VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz
*/
/* :0 s 38 01 3100 0003 0004 4 = 03030000
* FILTER CONTROL
* 1st byte luma low pass filter strength,
* 2nd byte chroma low pass filter strength,
* 3rd byte MF enable chroma, min=0, max=1
* 4th byte n
*/
/* :0 s 38 b9 0001 0000 0000 0 */
/* :0 s 38 d3 0000 0000 0001 1 = 00 */
/* ret = usb_control_msg(dev->udev, */
/* usb_sndctrlpipe(dev->udev, 0), */
/* 0xd3, 0x38, */
/* 0, 0, */
/* "\0", 1, */
/* 1000); */
/* info("control request returned %d", ret); */
/* msleep(5000); */
/* :0 s b8 81 1400 0003 0005 5 <
* :0 0 5 = d0024002 19
* QUERY FRAME SIZE AND RATE
* 1st and 2nd byte (little endian): horizontal resolution
* 3rd and 4th byte (little endian): vertical resolution
* 5th byte: frame rate
*/
/* :0 s b8 81 1800 0003 0003 3 <
* :0 0 3 = 030104
* QUERY SIGNAL AND DETECTED LINES, maybe INPUT
*/
enum hdpvr_video_std {
HDPVR_60HZ = 0,
HDPVR_50HZ,
};
enum hdpvr_video_input {
HDPVR_COMPONENT = 0,
HDPVR_SVIDEO,
HDPVR_COMPOSITE,
HDPVR_VIDEO_INPUTS
};
enum hdpvr_audio_inputs {
HDPVR_RCA_BACK = 0,
HDPVR_RCA_FRONT,
HDPVR_SPDIF,
HDPVR_AUDIO_INPUTS
};
enum hdpvr_bitrate_mode {
HDPVR_CONSTANT = 1,
HDPVR_VARIABLE_PEAK,
HDPVR_VARIABLE_AVERAGE,
};
enum hdpvr_gop_mode {
HDPVR_ADVANCED_IDR_GOP = 0,
HDPVR_SIMPLE_IDR_GOP,
HDPVR_ADVANCED_NOIDR_GOP,
HDPVR_SIMPLE_NOIDR_GOP,
};
void hdpvr_delete(struct hdpvr_device *dev);
/*========================================================================*/
/* hardware control functions */
int hdpvr_set_options(struct hdpvr_device *dev);
int hdpvr_set_bitrate(struct hdpvr_device *dev);
int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
enum v4l2_mpeg_audio_encoding codec);
int hdpvr_config_call(struct hdpvr_device *dev, uint value,
unsigned char valbuf);
struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev);
/* :0 s b8 81 1800 0003 0003 3 < */
/* :0 0 3 = 0301ff */
int get_input_lines_info(struct hdpvr_device *dev);
/*========================================================================*/
/* v4l2 registration */
int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
int devnumber);
int hdpvr_cancel_queue(struct hdpvr_device *dev);
/*========================================================================*/
/* i2c adapter registration */
int hdpvr_register_i2c_adapter(struct hdpvr_device *dev);
struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev);
struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev);
/*========================================================================*/
/* buffer management */
int hdpvr_free_buffers(struct hdpvr_device *dev);
int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count);