/* * 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 #include #include #include #include #include #define HDPVR_MAJOR_VERSION 0 #define HDPVR_MINOR_VERSION 2 #define HDPVR_RELEASE 0 #define HDPVR_VERSION \ KERNEL_VERSION(HDPVR_MAJOR_VERSION, HDPVR_MINOR_VERSION, HDPVR_RELEASE) #define HDPVR_MAX 8 /* 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_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 usb device for this device */ struct usb_device *udev; /* v4l2-device unused */ struct v4l2_device v4l2_dev; /* 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; /* count the number of openers */ uint open_count; /* holds the cureent set options */ struct hdpvr_options options; 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; /* I2C adapter */ struct i2c_adapter *i2c_adapter; /* I2C lock */ struct mutex i2c_mutex; /* usb control transfer buffer and lock */ struct mutex usbc_mutex; u8 *usbc_buf; }; 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); /*========================================================================*/ /* buffer management */ int hdpvr_free_buffers(struct hdpvr_device *dev); int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count);