[mirror_ubuntu-hirsute-kernel.git] / drivers / media / usb / au0828 / au0828.h

/*
 *  Driver for the Auvitek AU0828 USB bridge
 *
 *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
 *
 *  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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/bitops.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <media/tveeprom.h>

/* Analog */
#include <linux/videodev2.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-vmalloc.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
#include <media/media-device.h>

/* DVB */
#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"

#include "au0828-reg.h"
#include "au0828-cards.h"

#define URB_COUNT   16
#define URB_BUFSIZE (0xe522)

/* Analog constants */
#define NTSC_STD_W      720
#define NTSC_STD_H      480

#define AU0828_INTERLACED_DEFAULT       1
#define V4L2_CID_PRIVATE_SHARPNESS  (V4L2_CID_PRIVATE_BASE + 0)

/* Defination for AU0828 USB transfer */
#define AU0828_MAX_ISO_BUFS    12  /* maybe resize this value in the future */
#define AU0828_ISO_PACKETS_PER_URB      128

#define AU0828_MIN_BUF 4
#define AU0828_DEF_BUF 8

#define AU0828_MAX_INPUT        4

/* au0828 resource types (used for res_get/res_lock etc */
#define AU0828_RESOURCE_VIDEO 0x01
#define AU0828_RESOURCE_VBI   0x02

enum au0828_itype {
	AU0828_VMUX_UNDEFINED = 0,
	AU0828_VMUX_COMPOSITE,
	AU0828_VMUX_SVIDEO,
	AU0828_VMUX_CABLE,
	AU0828_VMUX_TELEVISION,
	AU0828_VMUX_DVB,
};

struct au0828_input {
	enum au0828_itype type;
	unsigned int vmux;
	unsigned int amux;
	void (*audio_setup) (void *priv, int enable);
};

struct au0828_board {
	char *name;
	unsigned int tuner_type;
	unsigned char tuner_addr;
	unsigned char i2c_clk_divider;
	unsigned char has_ir_i2c:1;
	unsigned char has_analog:1;
	struct au0828_input input[AU0828_MAX_INPUT];
};

struct au0828_dvb {
	struct mutex lock;
	struct dvb_adapter adapter;
	struct dvb_frontend *frontend;
	struct dvb_demux demux;
	struct dmxdev dmxdev;
	struct dmx_frontend fe_hw;
	struct dmx_frontend fe_mem;
	struct dvb_net net;
	int feeding;
	int start_count;
	int stop_count;

	int (*set_frontend)(struct dvb_frontend *fe);
};

enum au0828_stream_state {
	STREAM_OFF,
	STREAM_INTERRUPT,
	STREAM_ON
};

#define AUVI_INPUT(nr) (dev->board.input[nr])

/* device state */
enum au0828_dev_state {
	DEV_INITIALIZED = 0,
	DEV_DISCONNECTED = 1,
	DEV_MISCONFIGURED = 2
};

struct au0828_dev;

struct au0828_usb_isoc_ctl {
		/* max packet size of isoc transaction */
	int				max_pkt_size;

		/* number of allocated urbs */
	int				num_bufs;

		/* urb for isoc transfers */
	struct urb			**urb;

		/* transfer buffers for isoc transfer */
	char				**transfer_buffer;

		/* Last buffer command and region */
	u8				cmd;
	int				pos, size, pktsize;

		/* Last field: ODD or EVEN? */
	int				field;

		/* Stores incomplete commands */
	u32				tmp_buf;
	int				tmp_buf_len;

		/* Stores already requested buffers */
	struct au0828_buffer		*buf;
	struct au0828_buffer		*vbi_buf;

		/* Stores the number of received fields */
	int				nfields;

		/* isoc urb callback */
	int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb);

};

/* buffer for one video frame */
struct au0828_buffer {
	/* common v4l buffer stuff -- must be first */
	struct vb2_v4l2_buffer vb;
	struct list_head list;

	void *mem;
	unsigned long length;
	int top_field;
	/* pointer to vmalloc memory address in vb */
	char *vb_buf;
};

struct au0828_dmaqueue {
	struct list_head       active;
	/* Counters to control buffer fill */
	int                    pos;
};

struct au0828_dev {
	struct mutex mutex;
	struct usb_device	*usbdev;
	int			boardnr;
	struct au0828_board	board;
	u8			ctrlmsg[64];

	/* I2C */
	struct i2c_adapter		i2c_adap;
	struct i2c_algorithm		i2c_algo;
	struct i2c_client		i2c_client;
	u32 				i2c_rc;

	/* Digital */
	struct au0828_dvb		dvb;
	struct work_struct              restart_streaming;

#ifdef CONFIG_VIDEO_AU0828_V4L2
	/* Analog */
	struct v4l2_device v4l2_dev;
	struct v4l2_ctrl_handler v4l2_ctrl_hdl;
#endif
#ifdef CONFIG_VIDEO_AU0828_RC
	struct au0828_rc *ir;
#endif

	struct video_device vdev;
	struct video_device vbi_dev;

	/* Videobuf2 */
	struct vb2_queue vb_vidq;
	struct vb2_queue vb_vbiq;
	struct mutex vb_queue_lock;
	struct mutex vb_vbi_queue_lock;

	unsigned int frame_count;
	unsigned int vbi_frame_count;

	struct timer_list vid_timeout;
	int vid_timeout_running;
	struct timer_list vbi_timeout;
	int vbi_timeout_running;

	int users;
	int streaming_users;

	int width;
	int height;
	int vbi_width;
	int vbi_height;
	u32 vbi_read;
	v4l2_std_id std;
	u32 field_size;
	u32 frame_size;
	u32 bytesperline;
	int type;
	u8 ctrl_ainput;
	__u8 isoc_in_endpointaddr;
	u8 isoc_init_ok;
	int greenscreen_detected;
	int ctrl_freq;
	int input_type;
	int std_set_in_tuner_core;
	unsigned int ctrl_input;
	long unsigned int dev_state; /* defined at enum au0828_dev_state */;
	enum au0828_stream_state stream_state;
	wait_queue_head_t open;

	struct mutex lock;

	/* Isoc control struct */
	struct au0828_dmaqueue vidq;
	struct au0828_dmaqueue vbiq;
	struct au0828_usb_isoc_ctl isoc_ctl;
	spinlock_t slock;

	/* usb transfer */
	int alt;		/* alternate */
	int max_pkt_size;	/* max packet size of isoc transaction */
	int num_alt;		/* Number of alternative settings */
	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
	struct urb *urb[AU0828_MAX_ISO_BUFS];	/* urb for isoc transfers */
	char *transfer_buffer[AU0828_MAX_ISO_BUFS];/* transfer buffers for isoc
						   transfer */

	/* DVB USB / URB Related */
	bool		urb_streaming, need_urb_start;
	struct urb	*urbs[URB_COUNT];

	/* Preallocated transfer digital transfer buffers */

	char *dig_transfer_buffer[URB_COUNT];

#ifdef CONFIG_MEDIA_CONTROLLER
	struct media_device *media_dev;
	struct media_pad video_pad, vbi_pad;
	struct media_entity *decoder;
	struct media_entity input_ent[AU0828_MAX_INPUT];
	struct media_pad input_pad[AU0828_MAX_INPUT];
	struct media_entity_notify entity_notify;
	struct media_entity *tuner;
	struct media_link *active_link;
	struct media_entity *active_link_owner;
	struct media_entity *active_source;
	struct media_entity *active_sink;
#endif
};


/* ----------------------------------------------------------- */
#define au0828_read(dev, reg) au0828_readreg(dev, reg)
#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
#define au0828_andor(dev, reg, mask, value) 				\
	 au0828_writereg(dev, reg, 					\
	(au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))

#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)

/* ----------------------------------------------------------- */
/* au0828-core.c */
extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
extern void au0828_usb_release(struct au0828_dev *dev);
extern int au0828_debug;

/* ----------------------------------------------------------- */
/* au0828-cards.c */
extern struct au0828_board au0828_boards[];
extern struct usb_device_id au0828_usb_id_table[];
extern void au0828_gpio_setup(struct au0828_dev *dev);
extern int au0828_tuner_callback(void *priv, int component,
				 int command, int arg);
extern void au0828_card_setup(struct au0828_dev *dev);

/* ----------------------------------------------------------- */
/* au0828-i2c.c */
extern int au0828_i2c_register(struct au0828_dev *dev);
extern int au0828_i2c_unregister(struct au0828_dev *dev);

/* ----------------------------------------------------------- */
/* au0828-video.c */
extern int au0828_start_analog_streaming(struct vb2_queue *vq,
						unsigned int count);
extern void au0828_stop_vbi_streaming(struct vb2_queue *vq);
#ifdef CONFIG_VIDEO_AU0828_V4L2
extern int au0828_v4l2_device_register(struct usb_interface *interface,
				      struct au0828_dev *dev);

extern int au0828_analog_register(struct au0828_dev *dev,
			   struct usb_interface *interface);
extern int au0828_analog_unregister(struct au0828_dev *dev);
extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev);
extern void au0828_v4l2_suspend(struct au0828_dev *dev);
extern void au0828_v4l2_resume(struct au0828_dev *dev);
#else
static inline int au0828_v4l2_device_register(struct usb_interface *interface,
					      struct au0828_dev *dev)
{ return 0; };
static inline int au0828_analog_register(struct au0828_dev *dev,
				     struct usb_interface *interface)
{ return 0; };
static inline int au0828_analog_unregister(struct au0828_dev *dev)
{ return 0; };
static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { };
static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { };
static inline void au0828_v4l2_resume(struct au0828_dev *dev) { };
#endif

/* ----------------------------------------------------------- */
/* au0828-dvb.c */
extern int au0828_dvb_register(struct au0828_dev *dev);
extern void au0828_dvb_unregister(struct au0828_dev *dev);
void au0828_dvb_suspend(struct au0828_dev *dev);
void au0828_dvb_resume(struct au0828_dev *dev);

/* au0828-vbi.c */
extern struct vb2_ops au0828_vbi_qops;

#define dprintk(level, fmt, arg...)\
	do { if (au0828_debug & level)\
		printk(KERN_DEBUG pr_fmt(fmt), ## arg);\
	} while (0)

/* au0828-input.c */
#ifdef CONFIG_VIDEO_AU0828_RC
extern int au0828_rc_register(struct au0828_dev *dev);
extern void au0828_rc_unregister(struct au0828_dev *dev);
extern int au0828_rc_suspend(struct au0828_dev *dev);
extern int au0828_rc_resume(struct au0828_dev *dev);
#else
static inline int au0828_rc_register(struct au0828_dev *dev) { return 0; }
static inline void au0828_rc_unregister(struct au0828_dev *dev) { }
static inline int au0828_rc_suspend(struct au0828_dev *dev) { return 0; }
static inline int au0828_rc_resume(struct au0828_dev *dev) { return 0; }
#endif
Commit	Line	Data
	1	/*
	2	* Driver for the Auvitek AU0828 USB bridge
	3	*
	4	* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
	23
	24	#include <linux/bitops.h>
	25	#include <linux/usb.h>
	26	#include <linux/i2c.h>
	27	#include <linux/i2c-algo-bit.h>
	28	#include <media/tveeprom.h>
	29
	30	/* Analog */
	31	#include <linux/videodev2.h>
	32	#include <media/videobuf2-v4l2.h>
	33	#include <media/videobuf2-vmalloc.h>
	34	#include <media/v4l2-device.h>
	35	#include <media/v4l2-ctrls.h>
	36	#include <media/v4l2-fh.h>
	37	#include <media/media-device.h>
	38
	39	/* DVB */
	40	#include "demux.h"
	41	#include "dmxdev.h"
	42	#include "dvb_demux.h"
	43	#include "dvb_frontend.h"
	44	#include "dvb_net.h"
	45	#include "dvbdev.h"
	46
	47	#include "au0828-reg.h"
	48	#include "au0828-cards.h"
	49
	50	#define URB_COUNT 16
	51	#define URB_BUFSIZE (0xe522)
	52
	53	/* Analog constants */
	54	#define NTSC_STD_W 720
	55	#define NTSC_STD_H 480
	56
	57	#define AU0828_INTERLACED_DEFAULT 1
	58	#define V4L2_CID_PRIVATE_SHARPNESS (V4L2_CID_PRIVATE_BASE + 0)
	59
	60	/* Defination for AU0828 USB transfer */
	61	#define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */
	62	#define AU0828_ISO_PACKETS_PER_URB 128
	63
	64	#define AU0828_MIN_BUF 4
	65	#define AU0828_DEF_BUF 8
	66
	67	#define AU0828_MAX_INPUT 4
	68
	69	/* au0828 resource types (used for res_get/res_lock etc */
	70	#define AU0828_RESOURCE_VIDEO 0x01
	71	#define AU0828_RESOURCE_VBI 0x02
	72
	73	enum au0828_itype {
	74	AU0828_VMUX_UNDEFINED = 0,
	75	AU0828_VMUX_COMPOSITE,
	76	AU0828_VMUX_SVIDEO,
	77	AU0828_VMUX_CABLE,
	78	AU0828_VMUX_TELEVISION,
	79	AU0828_VMUX_DVB,
	80	};
	81
	82	struct au0828_input {
	83	enum au0828_itype type;
	84	unsigned int vmux;
	85	unsigned int amux;
	86	void (audio_setup) (void priv, int enable);
	87	};
	88
	89	struct au0828_board {
	90	char *name;
	91	unsigned int tuner_type;
	92	unsigned char tuner_addr;
	93	unsigned char i2c_clk_divider;
	94	unsigned char has_ir_i2c:1;
	95	unsigned char has_analog:1;
	96	struct au0828_input input[AU0828_MAX_INPUT];
	97	};
	98
	99	struct au0828_dvb {
	100	struct mutex lock;
	101	struct dvb_adapter adapter;
	102	struct dvb_frontend *frontend;
	103	struct dvb_demux demux;
	104	struct dmxdev dmxdev;
	105	struct dmx_frontend fe_hw;
	106	struct dmx_frontend fe_mem;
	107	struct dvb_net net;
	108	int feeding;
	109	int start_count;
	110	int stop_count;
	111
	112	int (set_frontend)(struct dvb_frontend fe);
	113	};
	114
	115	enum au0828_stream_state {
	116	STREAM_OFF,
	117	STREAM_INTERRUPT,
	118	STREAM_ON
	119	};
	120
	121	#define AUVI_INPUT(nr) (dev->board.input[nr])
	122
	123	/* device state */
	124	enum au0828_dev_state {
	125	DEV_INITIALIZED = 0,
	126	DEV_DISCONNECTED = 1,
	127	DEV_MISCONFIGURED = 2
	128	};
	129
	130	struct au0828_dev;
	131
	132	struct au0828_usb_isoc_ctl {
	133	/* max packet size of isoc transaction */
	134	int max_pkt_size;
	135
	136	/* number of allocated urbs */
	137	int num_bufs;
	138
	139	/* urb for isoc transfers */
	140	struct urb **urb;
	141
	142	/* transfer buffers for isoc transfer */
	143	char **transfer_buffer;
	144
	145	/* Last buffer command and region */
	146	u8 cmd;
	147	int pos, size, pktsize;
	148
	149	/* Last field: ODD or EVEN? */
	150	int field;
	151
	152	/* Stores incomplete commands */
	153	u32 tmp_buf;
	154	int tmp_buf_len;
	155
	156	/* Stores already requested buffers */
	157	struct au0828_buffer *buf;
	158	struct au0828_buffer *vbi_buf;
	159
	160	/* Stores the number of received fields */
	161	int nfields;
	162
	163	/* isoc urb callback */
	164	int (isoc_copy) (struct au0828_dev dev, struct urb *urb);
	165
	166	};
	167
	168	/* buffer for one video frame */
	169	struct au0828_buffer {
	170	/* common v4l buffer stuff -- must be first */
	171	struct vb2_v4l2_buffer vb;
	172	struct list_head list;
	173
	174	void *mem;
	175	unsigned long length;
	176	int top_field;
	177	/* pointer to vmalloc memory address in vb */
	178	char *vb_buf;
	179	};
	180
	181	struct au0828_dmaqueue {
	182	struct list_head active;
	183	/* Counters to control buffer fill */
	184	int pos;
	185	};
	186
	187	struct au0828_dev {
	188	struct mutex mutex;
	189	struct usb_device *usbdev;
	190	int boardnr;
	191	struct au0828_board board;
	192	u8 ctrlmsg[64];
	193
	194	/* I2C */
	195	struct i2c_adapter i2c_adap;
	196	struct i2c_algorithm i2c_algo;
	197	struct i2c_client i2c_client;
	198	u32 i2c_rc;
	199
	200	/* Digital */
	201	struct au0828_dvb dvb;
	202	struct work_struct restart_streaming;
	203
	204	#ifdef CONFIG_VIDEO_AU0828_V4L2
	205	/* Analog */
	206	struct v4l2_device v4l2_dev;
	207	struct v4l2_ctrl_handler v4l2_ctrl_hdl;
	208	#endif
	209	#ifdef CONFIG_VIDEO_AU0828_RC
	210	struct au0828_rc *ir;
	211	#endif
	212
	213	struct video_device vdev;
	214	struct video_device vbi_dev;
	215
	216	/* Videobuf2 */
	217	struct vb2_queue vb_vidq;
	218	struct vb2_queue vb_vbiq;
	219	struct mutex vb_queue_lock;
	220	struct mutex vb_vbi_queue_lock;
	221
	222	unsigned int frame_count;
	223	unsigned int vbi_frame_count;
	224
	225	struct timer_list vid_timeout;
	226	int vid_timeout_running;
	227	struct timer_list vbi_timeout;
	228	int vbi_timeout_running;
	229
	230	int users;
	231	int streaming_users;
	232
	233	int width;
	234	int height;
	235	int vbi_width;
	236	int vbi_height;
	237	u32 vbi_read;
	238	v4l2_std_id std;
	239	u32 field_size;
	240	u32 frame_size;
	241	u32 bytesperline;
	242	int type;
	243	u8 ctrl_ainput;
	244	__u8 isoc_in_endpointaddr;
	245	u8 isoc_init_ok;
	246	int greenscreen_detected;
	247	int ctrl_freq;
	248	int input_type;
	249	int std_set_in_tuner_core;
	250	unsigned int ctrl_input;
	251	long unsigned int dev_state; /* defined at enum au0828_dev_state */;
	252	enum au0828_stream_state stream_state;
	253	wait_queue_head_t open;
	254
	255	struct mutex lock;
	256
	257	/* Isoc control struct */
	258	struct au0828_dmaqueue vidq;
	259	struct au0828_dmaqueue vbiq;
	260	struct au0828_usb_isoc_ctl isoc_ctl;
	261	spinlock_t slock;
	262
	263	/* usb transfer */
	264	int alt; /* alternate */
	265	int max_pkt_size; /* max packet size of isoc transaction */
	266	int num_alt; /* Number of alternative settings */
	267	unsigned int alt_max_pkt_size; / array of wMaxPacketSize */
	268	struct urb urb[AU0828_MAX_ISO_BUFS]; / urb for isoc transfers */
	269	char transfer_buffer[AU0828_MAX_ISO_BUFS];/ transfer buffers for isoc
	270	transfer */
	271
	272	/* DVB USB / URB Related */
	273	bool urb_streaming, need_urb_start;
	274	struct urb *urbs[URB_COUNT];
	275
	276	/* Preallocated transfer digital transfer buffers */
	277
	278	char *dig_transfer_buffer[URB_COUNT];
	279
	280	#ifdef CONFIG_MEDIA_CONTROLLER
	281	struct media_device *media_dev;
	282	struct media_pad video_pad, vbi_pad;
	283	struct media_entity *decoder;
	284	struct media_entity input_ent[AU0828_MAX_INPUT];
	285	struct media_pad input_pad[AU0828_MAX_INPUT];
	286	struct media_entity_notify entity_notify;
	287	struct media_entity *tuner;
	288	struct media_link *active_link;
	289	struct media_entity *active_link_owner;
	290	struct media_entity *active_source;
	291	struct media_entity *active_sink;
	292	#endif
	293	};
	294
	295
	296	/* ----------------------------------------------------------- */
	297	#define au0828_read(dev, reg) au0828_readreg(dev, reg)
	298	#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
	299	#define au0828_andor(dev, reg, mask, value) \
	300	au0828_writereg(dev, reg, \
	301	(au0828_readreg(dev, reg) & ~(mask)) \| ((value) & (mask)))
	302
	303	#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
	304	#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
	305
	306	/* ----------------------------------------------------------- */
	307	/* au0828-core.c */
	308	extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
	309	extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
	310	extern void au0828_usb_release(struct au0828_dev *dev);
	311	extern int au0828_debug;
	312
	313	/* ----------------------------------------------------------- */
	314	/* au0828-cards.c */
	315	extern struct au0828_board au0828_boards[];
	316	extern struct usb_device_id au0828_usb_id_table[];
	317	extern void au0828_gpio_setup(struct au0828_dev *dev);
	318	extern int au0828_tuner_callback(void *priv, int component,
	319	int command, int arg);
	320	extern void au0828_card_setup(struct au0828_dev *dev);
	321
	322	/* ----------------------------------------------------------- */
	323	/* au0828-i2c.c */
	324	extern int au0828_i2c_register(struct au0828_dev *dev);
	325	extern int au0828_i2c_unregister(struct au0828_dev *dev);
	326
	327	/* ----------------------------------------------------------- */
	328	/* au0828-video.c */
	329	extern int au0828_start_analog_streaming(struct vb2_queue *vq,
	330	unsigned int count);
	331	extern void au0828_stop_vbi_streaming(struct vb2_queue *vq);
	332	#ifdef CONFIG_VIDEO_AU0828_V4L2
	333	extern int au0828_v4l2_device_register(struct usb_interface *interface,
	334	struct au0828_dev *dev);
	335
	336	extern int au0828_analog_register(struct au0828_dev *dev,
	337	struct usb_interface *interface);
	338	extern int au0828_analog_unregister(struct au0828_dev *dev);
	339	extern void au0828_usb_v4l2_media_release(struct au0828_dev *dev);
	340	extern void au0828_v4l2_suspend(struct au0828_dev *dev);
	341	extern void au0828_v4l2_resume(struct au0828_dev *dev);
	342	#else
	343	static inline int au0828_v4l2_device_register(struct usb_interface *interface,
	344	struct au0828_dev *dev)
	345	{ return 0; };
	346	static inline int au0828_analog_register(struct au0828_dev *dev,
	347	struct usb_interface *interface)
	348	{ return 0; };
	349	static inline int au0828_analog_unregister(struct au0828_dev *dev)
	350	{ return 0; };
	351	static inline void au0828_usb_v4l2_media_release(struct au0828_dev *dev) { };
	352	static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { };
	353	static inline void au0828_v4l2_resume(struct au0828_dev *dev) { };
	354	#endif
	355
	356	/* ----------------------------------------------------------- */
	357	/* au0828-dvb.c */
	358	extern int au0828_dvb_register(struct au0828_dev *dev);
	359	extern void au0828_dvb_unregister(struct au0828_dev *dev);
	360	void au0828_dvb_suspend(struct au0828_dev *dev);
	361	void au0828_dvb_resume(struct au0828_dev *dev);
	362
	363	/* au0828-vbi.c */
	364	extern struct vb2_ops au0828_vbi_qops;
	365
	366	#define dprintk(level, fmt, arg...)\
	367	do { if (au0828_debug & level)\
	368	printk(KERN_DEBUG pr_fmt(fmt), ## arg);\
	369	} while (0)
	370
	371	/* au0828-input.c */
	372	#ifdef CONFIG_VIDEO_AU0828_RC
	373	extern int au0828_rc_register(struct au0828_dev *dev);
	374	extern void au0828_rc_unregister(struct au0828_dev *dev);
	375	extern int au0828_rc_suspend(struct au0828_dev *dev);
	376	extern int au0828_rc_resume(struct au0828_dev *dev);
	377	#else
	378	static inline int au0828_rc_register(struct au0828_dev *dev) { return 0; }
	379	static inline void au0828_rc_unregister(struct au0828_dev *dev) { }
	380	static inline int au0828_rc_suspend(struct au0828_dev *dev) { return 0; }
	381	static inline int au0828_rc_resume(struct au0828_dev *dev) { return 0; }
	382	#endif