402 lines
11 KiB
C
402 lines
11 KiB
C
/*
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* tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices
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*
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* Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
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*
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* Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
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* - DVB-T support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation version 2
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/videobuf-vmalloc.h>
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#include "tm6000-usb-isoc.h"
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#include <linux/i2c.h>
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#include <linux/mutex.h>
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#include <media/v4l2-device.h>
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#include <linux/dvb/frontend.h>
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#include "dvb_demux.h"
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#include "dvb_frontend.h"
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#include "dmxdev.h"
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#define TM6000_VERSION KERNEL_VERSION(0, 0, 2)
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/* Inputs */
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enum tm6000_itype {
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TM6000_INPUT_TV = 1,
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TM6000_INPUT_COMPOSITE1,
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TM6000_INPUT_COMPOSITE2,
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TM6000_INPUT_SVIDEO,
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TM6000_INPUT_DVB,
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TM6000_INPUT_RADIO,
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};
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enum tm6000_mux {
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TM6000_VMUX_VIDEO_A = 1,
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TM6000_VMUX_VIDEO_B,
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TM6000_VMUX_VIDEO_AB,
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TM6000_AMUX_ADC1,
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TM6000_AMUX_ADC2,
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TM6000_AMUX_SIF1,
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TM6000_AMUX_SIF2,
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TM6000_AMUX_I2S,
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};
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enum tm6000_devtype {
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TM6000 = 0,
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TM5600,
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TM6010,
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};
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struct tm6000_input {
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enum tm6000_itype type;
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enum tm6000_mux vmux;
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enum tm6000_mux amux;
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unsigned int v_gpio;
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unsigned int a_gpio;
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};
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/* ------------------------------------------------------------------
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* Basic structures
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* ------------------------------------------------------------------
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*/
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struct tm6000_fmt {
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char *name;
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u32 fourcc; /* v4l2 format id */
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int depth;
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};
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/* buffer for one video frame */
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struct tm6000_buffer {
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/* common v4l buffer stuff -- must be first */
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struct videobuf_buffer vb;
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struct tm6000_fmt *fmt;
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};
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struct tm6000_dmaqueue {
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struct list_head active;
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struct list_head queued;
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/* thread for generating video stream*/
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struct task_struct *kthread;
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wait_queue_head_t wq;
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/* Counters to control fps rate */
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int frame;
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int ini_jiffies;
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};
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/* device states */
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enum tm6000_core_state {
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DEV_INITIALIZED = 0x01,
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DEV_DISCONNECTED = 0x02,
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DEV_MISCONFIGURED = 0x04,
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};
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/* io methods */
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enum tm6000_io_method {
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IO_NONE,
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IO_READ,
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IO_MMAP,
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};
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enum tm6000_mode {
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TM6000_MODE_UNKNOWN = 0,
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TM6000_MODE_ANALOG,
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TM6000_MODE_DIGITAL,
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};
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struct tm6000_gpio {
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int tuner_reset;
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int tuner_on;
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int demod_reset;
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int demod_on;
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int power_led;
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int dvb_led;
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int ir;
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};
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struct tm6000_capabilities {
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unsigned int has_tuner:1;
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unsigned int has_tda9874:1;
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unsigned int has_dvb:1;
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unsigned int has_zl10353:1;
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unsigned int has_eeprom:1;
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unsigned int has_remote:1;
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unsigned int has_radio:1;
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};
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struct tm6000_dvb {
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struct dvb_adapter adapter;
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struct dvb_demux demux;
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struct dvb_frontend *frontend;
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struct dmxdev dmxdev;
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unsigned int streams;
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struct urb *bulk_urb;
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struct mutex mutex;
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};
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struct snd_tm6000_card {
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struct snd_card *card;
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spinlock_t reg_lock;
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struct tm6000_core *core;
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struct snd_pcm_substream *substream;
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/* temporary data for buffer fill processing */
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unsigned buf_pos;
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unsigned period_pos;
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};
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struct tm6000_endpoint {
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struct usb_host_endpoint *endp;
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__u8 bInterfaceNumber;
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__u8 bAlternateSetting;
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unsigned maxsize;
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};
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#define TM6000_QUIRK_NO_USB_DELAY (1 << 0)
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struct tm6000_core {
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/* generic device properties */
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char name[30]; /* name (including minor) of the device */
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int model; /* index in the device_data struct */
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int devno; /* marks the number of this device */
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enum tm6000_devtype dev_type; /* type of device */
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unsigned char eedata[256]; /* Eeprom data */
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unsigned eedata_size; /* Size of the eeprom info */
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v4l2_std_id norm; /* Current norm */
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int width, height; /* Selected resolution */
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enum tm6000_core_state state;
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/* Device Capabilities*/
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struct tm6000_capabilities caps;
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/* Used to load alsa/dvb */
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struct work_struct request_module_wk;
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/* Tuner configuration */
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int tuner_type; /* type of the tuner */
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int tuner_addr; /* tuner address */
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struct tm6000_gpio gpio;
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char *ir_codes;
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__u8 radio;
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/* Demodulator configuration */
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int demod_addr; /* demodulator address */
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int audio_bitrate;
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/* i2c i/o */
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struct i2c_adapter i2c_adap;
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struct i2c_client i2c_client;
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/* extension */
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struct list_head devlist;
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/* video for linux */
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int users;
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/* various device info */
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struct tm6000_fh *resources; /* Points to fh that is streaming */
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bool is_res_read;
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struct video_device *vfd;
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struct video_device *radio_dev;
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struct tm6000_dmaqueue vidq;
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struct v4l2_device v4l2_dev;
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int input;
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struct tm6000_input vinput[3]; /* video input */
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struct tm6000_input rinput; /* radio input */
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int freq;
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unsigned int fourcc;
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enum tm6000_mode mode;
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int ctl_mute; /* audio */
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int ctl_volume;
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int amode;
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/* DVB-T support */
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struct tm6000_dvb *dvb;
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/* audio support */
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struct snd_tm6000_card *adev;
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struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
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atomic_t stream_started; /* stream should be running if true */
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struct tm6000_IR *ir;
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/* locks */
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struct mutex lock;
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struct mutex usb_lock;
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/* usb transfer */
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struct usb_device *udev; /* the usb device */
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struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
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struct tm6000_endpoint int_in, int_out;
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/* scaler!=0 if scaler is active*/
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int scaler;
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/* Isoc control struct */
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struct usb_isoc_ctl isoc_ctl;
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spinlock_t slock;
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unsigned long quirks;
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};
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enum tm6000_ops_type {
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TM6000_AUDIO = 0x10,
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TM6000_DVB = 0x20,
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};
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struct tm6000_ops {
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struct list_head next;
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char *name;
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enum tm6000_ops_type type;
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int (*init)(struct tm6000_core *);
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int (*fini)(struct tm6000_core *);
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int (*fillbuf)(struct tm6000_core *, char *buf, int size);
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};
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struct tm6000_fh {
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struct tm6000_core *dev;
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unsigned int radio;
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/* video capture */
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struct tm6000_fmt *fmt;
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unsigned int width, height;
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struct videobuf_queue vb_vidq;
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enum v4l2_buf_type type;
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};
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#define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \
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V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
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V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM)
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/* In tm6000-cards.c */
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int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
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int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
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int tm6000_cards_setup(struct tm6000_core *dev);
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void tm6000_flash_led(struct tm6000_core *dev, u8 state);
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/* In tm6000-core.c */
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int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
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u16 value, u16 index, u8 *buf, u16 len);
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int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
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int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
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int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
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int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
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int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
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u16 index, u16 mask);
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int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
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int tm6000_init(struct tm6000_core *dev);
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int tm6000_reset(struct tm6000_core *dev);
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int tm6000_init_analog_mode(struct tm6000_core *dev);
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int tm6000_init_digital_mode(struct tm6000_core *dev);
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int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
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int tm6000_set_audio_rinput(struct tm6000_core *dev);
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int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
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void tm6000_set_volume(struct tm6000_core *dev, int vol);
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int tm6000_v4l2_register(struct tm6000_core *dev);
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int tm6000_v4l2_unregister(struct tm6000_core *dev);
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int tm6000_v4l2_exit(void);
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void tm6000_set_fourcc_format(struct tm6000_core *dev);
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void tm6000_remove_from_devlist(struct tm6000_core *dev);
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void tm6000_add_into_devlist(struct tm6000_core *dev);
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int tm6000_register_extension(struct tm6000_ops *ops);
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void tm6000_unregister_extension(struct tm6000_ops *ops);
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void tm6000_init_extension(struct tm6000_core *dev);
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void tm6000_close_extension(struct tm6000_core *dev);
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int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
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char *buf, int size);
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/* In tm6000-stds.c */
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void tm6000_get_std_res(struct tm6000_core *dev);
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int tm6000_set_standard(struct tm6000_core *dev);
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/* In tm6000-i2c.c */
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int tm6000_i2c_register(struct tm6000_core *dev);
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int tm6000_i2c_unregister(struct tm6000_core *dev);
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/* In tm6000-queue.c */
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int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
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int tm6000_vidioc_streamon(struct file *file, void *priv,
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enum v4l2_buf_type i);
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int tm6000_vidioc_streamoff(struct file *file, void *priv,
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enum v4l2_buf_type i);
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int tm6000_vidioc_reqbufs(struct file *file, void *priv,
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struct v4l2_requestbuffers *rb);
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int tm6000_vidioc_querybuf(struct file *file, void *priv,
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struct v4l2_buffer *b);
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int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
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int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
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ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
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loff_t *f_pos);
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unsigned int tm6000_v4l2_poll(struct file *file,
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struct poll_table_struct *wait);
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int tm6000_queue_init(struct tm6000_core *dev);
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/* In tm6000-alsa.c */
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/*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
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/* In tm6000-input.c */
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int tm6000_ir_init(struct tm6000_core *dev);
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int tm6000_ir_fini(struct tm6000_core *dev);
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void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
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int tm6000_ir_int_start(struct tm6000_core *dev);
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void tm6000_ir_int_stop(struct tm6000_core *dev);
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/* Debug stuff */
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extern int tm6000_debug;
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#define dprintk(dev, level, fmt, arg...) do {\
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if (tm6000_debug & level) \
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printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
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dev->name, __func__ , ##arg); } while (0)
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#define V4L2_DEBUG_REG 0x0004
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#define V4L2_DEBUG_I2C 0x0008
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#define V4L2_DEBUG_QUEUE 0x0010
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#define V4L2_DEBUG_ISOC 0x0020
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#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
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#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */
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#define tm6000_err(fmt, arg...) do {\
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printk(KERN_ERR "tm6000 %s :"fmt, \
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__func__ , ##arg); } while (0)
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