drivers/media/usb/tm6000/tm6000.h - linux - Git at Google

 /*
  * SPDX-License-Identifier: GPL-2.0
  * tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices
  *
  * Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
  *
  * Copyright (c) 2007 Michel Ludwig <michel.ludwig@gmail.com>
  *	- DVB-T support
  */

 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 #include <media/videobuf-vmalloc.h>
 #include "tm6000-usb-isoc.h"
 #include <linux/i2c.h>
 #include <linux/mutex.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-fh.h>

 #include <linux/dvb/frontend.h>
 #include <media/dvb_demux.h>
 #include <media/dvb_frontend.h>
 #include <media/dmxdev.h>

 /* Inputs */
 enum tm6000_itype {
 	TM6000_INPUT_TV	= 1,
 	TM6000_INPUT_COMPOSITE1,
 	TM6000_INPUT_COMPOSITE2,
 	TM6000_INPUT_SVIDEO,
 	TM6000_INPUT_DVB,
 	TM6000_INPUT_RADIO,
 };

 enum tm6000_mux {
 	TM6000_VMUX_VIDEO_A = 1,
 	TM6000_VMUX_VIDEO_B,
 	TM6000_VMUX_VIDEO_AB,
 	TM6000_AMUX_ADC1,
 	TM6000_AMUX_ADC2,
 	TM6000_AMUX_SIF1,
 	TM6000_AMUX_SIF2,
 	TM6000_AMUX_I2S,
 };

 enum tm6000_devtype {
 	TM6000 = 0,
 	TM5600,
 	TM6010,
 };

 struct tm6000_input {
 	enum tm6000_itype	type;
 	enum tm6000_mux		vmux;
 	enum tm6000_mux		amux;
 	unsigned int		v_gpio;
 	unsigned int		a_gpio;
 };

 /* ------------------------------------------------------------------
  *	Basic structures
  * ------------------------------------------------------------------
  */

 struct tm6000_fmt {
 	char  *name;
 	u32   fourcc;          /* v4l2 format id */
 	int   depth;
 };

 /* buffer for one video frame */
 struct tm6000_buffer {
 	/* common v4l buffer stuff -- must be first */
 	struct videobuf_buffer vb;

 	struct tm6000_fmt      *fmt;
 };

 struct tm6000_dmaqueue {
 	struct list_head       active;
 	struct list_head       queued;

 	/* thread for generating video stream*/
 	struct task_struct         *kthread;
 	wait_queue_head_t          wq;
 	/* Counters to control fps rate */
 	int                        frame;
 	int                        ini_jiffies;
 };

 /* device states */
 enum tm6000_core_state {
 	DEV_INITIALIZED   = 0x01,
 	DEV_DISCONNECTED  = 0x02,
 	DEV_MISCONFIGURED = 0x04,
 };

 /* io methods */
 enum tm6000_io_method {
 	IO_NONE,
 	IO_READ,
 	IO_MMAP,
 };

 enum tm6000_mode {
 	TM6000_MODE_UNKNOWN = 0,
 	TM6000_MODE_ANALOG,
 	TM6000_MODE_DIGITAL,
 };

 struct tm6000_gpio {
 	int		tuner_reset;
 	int		tuner_on;
 	int		demod_reset;
 	int		demod_on;
 	int		power_led;
 	int		dvb_led;
 	int		ir;
 };

 struct tm6000_capabilities {
 	unsigned int    has_tuner:1;
 	unsigned int    has_tda9874:1;
 	unsigned int    has_dvb:1;
 	unsigned int    has_zl10353:1;
 	unsigned int    has_eeprom:1;
 	unsigned int    has_remote:1;
 	unsigned int    has_radio:1;
 };

 struct tm6000_dvb {
 	struct dvb_adapter	adapter;
 	struct dvb_demux	demux;
 	struct dvb_frontend	*frontend;
 	struct dmxdev		dmxdev;
 	unsigned int		streams;
 	struct urb		*bulk_urb;
 	struct mutex		mutex;
 };

 struct snd_tm6000_card {
 	struct snd_card			*card;
 	spinlock_t			reg_lock;
 	struct tm6000_core		*core;
 	struct snd_pcm_substream	*substream;

 	/* temporary data for buffer fill processing */
 	unsigned			buf_pos;
 	unsigned			period_pos;
 };

 struct tm6000_endpoint {
 	struct usb_host_endpoint	*endp;
 	__u8				bInterfaceNumber;
 	__u8				bAlternateSetting;
 	unsigned			maxsize;
 };

 #define TM6000_QUIRK_NO_USB_DELAY (1 << 0)

 struct tm6000_core {
 	/* generic device properties */
 	char				name[30];	/* name (including minor) of the device */
 	int				model;		/* index in the device_data struct */
 	int				devno;		/* marks the number of this device */
 	enum tm6000_devtype		dev_type;	/* type of device */
 	unsigned char			eedata[256];	/* Eeprom data */
 	unsigned			eedata_size;	/* Size of the eeprom info */

 	v4l2_std_id                     norm;           /* Current norm */
 	int				width, height;	/* Selected resolution */

 	enum tm6000_core_state		state;

 	/* Device Capabilities*/
 	struct tm6000_capabilities	caps;

 	/* Used to load alsa/dvb */
 	struct work_struct		request_module_wk;

 	/* Tuner configuration */
 	int				tuner_type;		/* type of the tuner */
 	int				tuner_addr;		/* tuner address */

 	struct tm6000_gpio		gpio;

 	char				*ir_codes;

 	__u8				radio;

 	/* Demodulator configuration */
 	int				demod_addr;	/* demodulator address */

 	int				audio_bitrate;
 	/* i2c i/o */
 	struct i2c_adapter		i2c_adap;
 	struct i2c_client		i2c_client;


 	/* extension */
 	struct list_head		devlist;

 	/* video for linux */
 	int				users;

 	/* various device info */
 	struct tm6000_fh		*resources;	/* Points to fh that is streaming */
 	bool				is_res_read;

 	struct video_device		vfd;
 	struct video_device		radio_dev;
 	struct tm6000_dmaqueue		vidq;
 	struct v4l2_device		v4l2_dev;
 	struct v4l2_ctrl_handler	ctrl_handler;
 	struct v4l2_ctrl_handler	radio_ctrl_handler;

 	int				input;
 	struct tm6000_input		vinput[3];	/* video input */
 	struct tm6000_input		rinput;		/* radio input */

 	int				freq;
 	unsigned int			fourcc;

 	enum tm6000_mode		mode;

 	int				ctl_mute;             /* audio */
 	int				ctl_volume;
 	int				amode;

 	/* DVB-T support */
 	struct tm6000_dvb		*dvb;

 	/* audio support */
 	struct snd_tm6000_card		*adev;
 	struct work_struct		wq_trigger;   /* Trigger to start/stop audio for alsa module */
 	atomic_t			stream_started;  /* stream should be running if true */

 	struct tm6000_IR		*ir;

 	/* locks */
 	struct mutex			lock;
 	struct mutex			usb_lock;

 	/* usb transfer */
 	struct usb_device		*udev;		/* the usb device */

 	struct tm6000_endpoint		bulk_in, bulk_out, isoc_in, isoc_out;
 	struct tm6000_endpoint		int_in, int_out;

 	/* scaler!=0 if scaler is active*/
 	int				scaler;

 		/* Isoc control struct */
 	struct usb_isoc_ctl          isoc_ctl;

 	spinlock_t                   slock;

 	/* urb dma buffers */
 	char				**urb_buffer;
 	dma_addr_t			*urb_dma;
 	unsigned int			urb_size;

 	unsigned long quirks;
 };

 enum tm6000_ops_type {
 	TM6000_AUDIO = 0x10,
 	TM6000_DVB = 0x20,
 };

 struct tm6000_ops {
 	struct list_head	next;
 	char			*name;
 	enum tm6000_ops_type	type;
 	int (*init)(struct tm6000_core *);
 	int (*fini)(struct tm6000_core *);
 	int (*fillbuf)(struct tm6000_core *, char *buf, int size);
 };

 struct tm6000_fh {
 	struct v4l2_fh		     fh;
 	struct tm6000_core           *dev;
 	unsigned int                 radio;

 	/* video capture */
 	struct tm6000_fmt            *fmt;
 	unsigned int                 width, height;
 	struct videobuf_queue        vb_vidq;

 	enum v4l2_buf_type           type;
 };

 #define TM6000_STD	(V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|    \
 			V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
 			V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM)

 /* In tm6000-cards.c */

 int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
 int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
 int tm6000_cards_setup(struct tm6000_core *dev);
 void tm6000_flash_led(struct tm6000_core *dev, u8 state);

 /* In tm6000-core.c */

 int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
 			   u16 value, u16 index, u8 *buf, u16 len);
 int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
 int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
 						u16 index, u16 mask);
 int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
 int tm6000_init(struct tm6000_core *dev);
 int tm6000_reset(struct tm6000_core *dev);

 int tm6000_init_analog_mode(struct tm6000_core *dev);
 int tm6000_init_digital_mode(struct tm6000_core *dev);
 int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
 int tm6000_set_audio_rinput(struct tm6000_core *dev);
 int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
 void tm6000_set_volume(struct tm6000_core *dev, int vol);

 int tm6000_v4l2_register(struct tm6000_core *dev);
 int tm6000_v4l2_unregister(struct tm6000_core *dev);
 int tm6000_v4l2_exit(void);
 void tm6000_set_fourcc_format(struct tm6000_core *dev);

 void tm6000_remove_from_devlist(struct tm6000_core *dev);
 void tm6000_add_into_devlist(struct tm6000_core *dev);
 int tm6000_register_extension(struct tm6000_ops *ops);
 void tm6000_unregister_extension(struct tm6000_ops *ops);
 void tm6000_init_extension(struct tm6000_core *dev);
 void tm6000_close_extension(struct tm6000_core *dev);
 int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
 			char *buf, int size);


 /* In tm6000-stds.c */
 void tm6000_get_std_res(struct tm6000_core *dev);
 int tm6000_set_standard(struct tm6000_core *dev);

 /* In tm6000-i2c.c */
 int tm6000_i2c_register(struct tm6000_core *dev);
 int tm6000_i2c_unregister(struct tm6000_core *dev);

 /* In tm6000-queue.c */

 int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);

 int tm6000_vidioc_streamon(struct file *file, void *priv,
 			   enum v4l2_buf_type i);
 int tm6000_vidioc_streamoff(struct file *file, void *priv,
 			    enum v4l2_buf_type i);
 int tm6000_vidioc_reqbufs(struct file *file, void *priv,
 			  struct v4l2_requestbuffers *rb);
 int tm6000_vidioc_querybuf(struct file *file, void *priv,
 			   struct v4l2_buffer *b);
 int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
 int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
 ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
 			 loff_t *f_pos);
 unsigned int tm6000_v4l2_poll(struct file *file,
 			      struct poll_table_struct *wait);
 int tm6000_queue_init(struct tm6000_core *dev);

 /* In tm6000-alsa.c */
 /*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/

 /* In tm6000-input.c */
 int tm6000_ir_init(struct tm6000_core *dev);
 int tm6000_ir_fini(struct tm6000_core *dev);
 void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
 int tm6000_ir_int_start(struct tm6000_core *dev);
 void tm6000_ir_int_stop(struct tm6000_core *dev);

 /* Debug stuff */

 extern int tm6000_debug;

 #define dprintk(dev, level, fmt, arg...) do {\
 	if (tm6000_debug & level) \
 		printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
 			 dev->name, __func__ , ##arg); } while (0)

 #define V4L2_DEBUG_REG		0x0004
 #define V4L2_DEBUG_I2C		0x0008
 #define V4L2_DEBUG_QUEUE	0x0010
 #define V4L2_DEBUG_ISOC		0x0020
 #define V4L2_DEBUG_RES_LOCK	0x0040	/* Resource locking */
 #define V4L2_DEBUG_OPEN		0x0080	/* video open/close debug */

 #define tm6000_err(fmt, arg...) do {\
 	printk(KERN_ERR "tm6000 %s :"fmt, \
 		__func__ , ##arg); } while (0)
	/*
	* SPDX-License-Identifier: GPL-2.0
	* tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices
	*
	* Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
	*
	* Copyright (c) 2007 Michel Ludwig <michel.ludwig@gmail.com>
	* - DVB-T support
	*/

	#include <linux/videodev2.h>
	#include <media/v4l2-common.h>
	#include <media/videobuf-vmalloc.h>
	#include "tm6000-usb-isoc.h"
	#include <linux/i2c.h>
	#include <linux/mutex.h>
	#include <media/v4l2-device.h>
	#include <media/v4l2-ctrls.h>
	#include <media/v4l2-fh.h>

	#include <linux/dvb/frontend.h>
	#include <media/dvb_demux.h>
	#include <media/dvb_frontend.h>
	#include <media/dmxdev.h>

	/* Inputs */
	enum tm6000_itype {
	TM6000_INPUT_TV = 1,
	TM6000_INPUT_COMPOSITE1,
	TM6000_INPUT_COMPOSITE2,
	TM6000_INPUT_SVIDEO,
	TM6000_INPUT_DVB,
	TM6000_INPUT_RADIO,
	};

	enum tm6000_mux {
	TM6000_VMUX_VIDEO_A = 1,
	TM6000_VMUX_VIDEO_B,
	TM6000_VMUX_VIDEO_AB,
	TM6000_AMUX_ADC1,
	TM6000_AMUX_ADC2,
	TM6000_AMUX_SIF1,
	TM6000_AMUX_SIF2,
	TM6000_AMUX_I2S,
	};

	enum tm6000_devtype {
	TM6000 = 0,
	TM5600,
	TM6010,
	};

	struct tm6000_input {
	enum tm6000_itype type;
	enum tm6000_mux vmux;
	enum tm6000_mux amux;
	unsigned int v_gpio;
	unsigned int a_gpio;
	};

	/* ------------------------------------------------------------------
	* Basic structures
	* ------------------------------------------------------------------
	*/

	struct tm6000_fmt {
	char *name;
	u32 fourcc; /* v4l2 format id */
	int depth;
	};

	/* buffer for one video frame */
	struct tm6000_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	struct tm6000_fmt *fmt;
	};

	struct tm6000_dmaqueue {
	struct list_head active;
	struct list_head queued;

	/* thread for generating video stream*/
	struct task_struct *kthread;
	wait_queue_head_t wq;
	/* Counters to control fps rate */
	int frame;
	int ini_jiffies;
	};

	/* device states */
	enum tm6000_core_state {
	DEV_INITIALIZED = 0x01,
	DEV_DISCONNECTED = 0x02,
	DEV_MISCONFIGURED = 0x04,
	};

	/* io methods */
	enum tm6000_io_method {
	IO_NONE,
	IO_READ,
	IO_MMAP,
	};

	enum tm6000_mode {
	TM6000_MODE_UNKNOWN = 0,
	TM6000_MODE_ANALOG,
	TM6000_MODE_DIGITAL,
	};

	struct tm6000_gpio {
	int tuner_reset;
	int tuner_on;
	int demod_reset;
	int demod_on;
	int power_led;
	int dvb_led;
	int ir;
	};

	struct tm6000_capabilities {
	unsigned int has_tuner:1;
	unsigned int has_tda9874:1;
	unsigned int has_dvb:1;
	unsigned int has_zl10353:1;
	unsigned int has_eeprom:1;
	unsigned int has_remote:1;
	unsigned int has_radio:1;
	};

	struct tm6000_dvb {
	struct dvb_adapter adapter;
	struct dvb_demux demux;
	struct dvb_frontend *frontend;
	struct dmxdev dmxdev;
	unsigned int streams;
	struct urb *bulk_urb;
	struct mutex mutex;
	};

	struct snd_tm6000_card {
	struct snd_card *card;
	spinlock_t reg_lock;
	struct tm6000_core *core;
	struct snd_pcm_substream *substream;

	/* temporary data for buffer fill processing */
	unsigned buf_pos;
	unsigned period_pos;
	};

	struct tm6000_endpoint {
	struct usb_host_endpoint *endp;
	__u8 bInterfaceNumber;
	__u8 bAlternateSetting;
	unsigned maxsize;
	};

	#define TM6000_QUIRK_NO_USB_DELAY (1 << 0)

	struct tm6000_core {
	/* generic device properties */
	char name[30]; /* name (including minor) of the device */
	int model; /* index in the device_data struct */
	int devno; /* marks the number of this device */
	enum tm6000_devtype dev_type; /* type of device */
	unsigned char eedata[256]; /* Eeprom data */
	unsigned eedata_size; /* Size of the eeprom info */

	v4l2_std_id norm; /* Current norm */
	int width, height; /* Selected resolution */

	enum tm6000_core_state state;

	/* Device Capabilities*/
	struct tm6000_capabilities caps;

	/* Used to load alsa/dvb */
	struct work_struct request_module_wk;

	/* Tuner configuration */
	int tuner_type; /* type of the tuner */
	int tuner_addr; /* tuner address */

	struct tm6000_gpio gpio;

	char *ir_codes;

	__u8 radio;

	/* Demodulator configuration */
	int demod_addr; /* demodulator address */

	int audio_bitrate;
	/* i2c i/o */
	struct i2c_adapter i2c_adap;
	struct i2c_client i2c_client;


	/* extension */
	struct list_head devlist;

	/* video for linux */
	int users;

	/* various device info */
	struct tm6000_fh resources; / Points to fh that is streaming */
	bool is_res_read;

	struct video_device vfd;
	struct video_device radio_dev;
	struct tm6000_dmaqueue vidq;
	struct v4l2_device v4l2_dev;
	struct v4l2_ctrl_handler ctrl_handler;
	struct v4l2_ctrl_handler radio_ctrl_handler;

	int input;
	struct tm6000_input vinput[3]; /* video input */
	struct tm6000_input rinput; /* radio input */

	int freq;
	unsigned int fourcc;

	enum tm6000_mode mode;

	int ctl_mute; /* audio */
	int ctl_volume;
	int amode;

	/* DVB-T support */
	struct tm6000_dvb *dvb;

	/* audio support */
	struct snd_tm6000_card *adev;
	struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
	atomic_t stream_started; /* stream should be running if true */

	struct tm6000_IR *ir;

	/* locks */
	struct mutex lock;
	struct mutex usb_lock;

	/* usb transfer */
	struct usb_device udev; / the usb device */

	struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
	struct tm6000_endpoint int_in, int_out;

	/* scaler!=0 if scaler is active*/
	int scaler;

	/* Isoc control struct */
	struct usb_isoc_ctl isoc_ctl;

	spinlock_t slock;

	/* urb dma buffers */
	char **urb_buffer;
	dma_addr_t *urb_dma;
	unsigned int urb_size;

	unsigned long quirks;
	};

	enum tm6000_ops_type {
	TM6000_AUDIO = 0x10,
	TM6000_DVB = 0x20,
	};

	struct tm6000_ops {
	struct list_head next;
	char *name;
	enum tm6000_ops_type type;
	int (init)(struct tm6000_core );
	int (fini)(struct tm6000_core );
	int (fillbuf)(struct tm6000_core , char *buf, int size);
	};

	struct tm6000_fh {
	struct v4l2_fh fh;
	struct tm6000_core *dev;
	unsigned int radio;

	/* video capture */
	struct tm6000_fmt *fmt;
	unsigned int width, height;
	struct videobuf_queue vb_vidq;

	enum v4l2_buf_type type;
	};

	#define TM6000_STD (V4L2_STD_PAL\|V4L2_STD_PAL_N\|V4L2_STD_PAL_Nc\| \
	V4L2_STD_PAL_M\|V4L2_STD_PAL_60\|V4L2_STD_NTSC_M\| \
	V4L2_STD_NTSC_M_JP\|V4L2_STD_SECAM)

	/* In tm6000-cards.c */

	int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
	int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
	int tm6000_cards_setup(struct tm6000_core *dev);
	void tm6000_flash_led(struct tm6000_core *dev, u8 state);

	/* In tm6000-core.c */

	int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
	u16 value, u16 index, u8 *buf, u16 len);
	int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
	int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
	int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
	int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
	int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
	u16 index, u16 mask);
	int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
	int tm6000_init(struct tm6000_core *dev);
	int tm6000_reset(struct tm6000_core *dev);

	int tm6000_init_analog_mode(struct tm6000_core *dev);
	int tm6000_init_digital_mode(struct tm6000_core *dev);
	int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
	int tm6000_set_audio_rinput(struct tm6000_core *dev);
	int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
	void tm6000_set_volume(struct tm6000_core *dev, int vol);

	int tm6000_v4l2_register(struct tm6000_core *dev);
	int tm6000_v4l2_unregister(struct tm6000_core *dev);
	int tm6000_v4l2_exit(void);
	void tm6000_set_fourcc_format(struct tm6000_core *dev);

	void tm6000_remove_from_devlist(struct tm6000_core *dev);
	void tm6000_add_into_devlist(struct tm6000_core *dev);
	int tm6000_register_extension(struct tm6000_ops *ops);
	void tm6000_unregister_extension(struct tm6000_ops *ops);
	void tm6000_init_extension(struct tm6000_core *dev);
	void tm6000_close_extension(struct tm6000_core *dev);
	int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
	char *buf, int size);


	/* In tm6000-stds.c */
	void tm6000_get_std_res(struct tm6000_core *dev);
	int tm6000_set_standard(struct tm6000_core *dev);

	/* In tm6000-i2c.c */
	int tm6000_i2c_register(struct tm6000_core *dev);
	int tm6000_i2c_unregister(struct tm6000_core *dev);

	/* In tm6000-queue.c */

	int tm6000_v4l2_mmap(struct file filp, struct vm_area_struct vma);

	int tm6000_vidioc_streamon(struct file file, void priv,
	enum v4l2_buf_type i);
	int tm6000_vidioc_streamoff(struct file file, void priv,
	enum v4l2_buf_type i);
	int tm6000_vidioc_reqbufs(struct file file, void priv,
	struct v4l2_requestbuffers *rb);
	int tm6000_vidioc_querybuf(struct file file, void priv,
	struct v4l2_buffer *b);
	int tm6000_vidioc_qbuf(struct file file, void priv, struct v4l2_buffer *b);
	int tm6000_vidioc_dqbuf(struct file file, void priv, struct v4l2_buffer *b);
	ssize_t tm6000_v4l2_read(struct file filp, char __user buf, size_t count,
	loff_t *f_pos);
	unsigned int tm6000_v4l2_poll(struct file *file,
	struct poll_table_struct *wait);
	int tm6000_queue_init(struct tm6000_core *dev);

	/* In tm6000-alsa.c */
	/int tm6000_audio_init(struct tm6000_core dev, int idx);*/

	/* In tm6000-input.c */
	int tm6000_ir_init(struct tm6000_core *dev);
	int tm6000_ir_fini(struct tm6000_core *dev);
	void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
	int tm6000_ir_int_start(struct tm6000_core *dev);
	void tm6000_ir_int_stop(struct tm6000_core *dev);

	/* Debug stuff */

	extern int tm6000_debug;

	#define dprintk(dev, level, fmt, arg...) do {\
	if (tm6000_debug & level) \
	printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
	dev->name, __func__ , ##arg); } while (0)

	#define V4L2_DEBUG_REG 0x0004
	#define V4L2_DEBUG_I2C 0x0008
	#define V4L2_DEBUG_QUEUE 0x0010
	#define V4L2_DEBUG_ISOC 0x0020
	#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
	#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */

	#define tm6000_err(fmt, arg...) do {\
	printk(KERN_ERR "tm6000 %s :"fmt, \
	__func__ , ##arg); } while (0)