[mirror_ubuntu-artful-kernel.git] / drivers / media / video / em28xx / em28xx.h

/*
   em2820-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices

   Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
		      Ludovico Cavedon <cavedon@sssup.it>
		      Mauro Carvalho Chehab <mchehab@brturbo.com.br>

   Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>

   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.
 */

#ifndef _EM2820_H
#define _EM2820_H

#include <linux/videodev.h>
#include <linux/i2c.h>
#include <media/ir-kbd-i2c.h>

/* Boards supported by driver */

#define EM2800_BOARD_UNKNOWN			0
#define EM2820_BOARD_UNKNOWN			1
#define EM2820_BOARD_TERRATEC_CINERGY_250	2
#define EM2820_BOARD_PINNACLE_USB_2		3
#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2      4
#define EM2820_BOARD_MSI_VOX_USB_2              5
#define EM2800_BOARD_TERRATEC_CINERGY_200       6
#define EM2800_BOARD_LEADTEK_WINFAST_USBII      7
#define EM2800_BOARD_KWORLD_USB2800             8
#define EM2820_BOARD_PINNACLE_DVC_90		9

#define UNSET -1

/* maximum number of em28xx boards */
#define EM2820_MAXBOARDS 1 /*FIXME: should be bigger */

/* maximum number of frames that can be queued */
#define EM2820_NUM_FRAMES 5
/* number of frames that get used for v4l2_read() */
#define EM2820_NUM_READ_FRAMES 2

/* number of buffers for isoc transfers */
#define EM2820_NUM_BUFS 5

/* number of packets for each buffer
   windows requests only 40 packets .. so we better do the same
   this is what I found out for all alternate numbers there!
 */
#define EM2820_NUM_PACKETS 40

/* default alternate; 0 means choose the best */
#define EM2820_PINOUT 0
#define EM2820_MAX_ALT 7

#define EM2820_INTERLACED_DEFAULT 1

/*
#define (use usbview if you want to get the other alternate number infos)
#define
#define alternate number 2
#define 			Endpoint Address: 82
			Direction: in
			Attribute: 1
			Type: Isoc
			Max Packet Size: 1448
			Interval: 125us

  alternate number 7

			Endpoint Address: 82
			Direction: in
			Attribute: 1
			Type: Isoc
			Max Packet Size: 3072
			Interval: 125us
*/

/* time to wait when stopping the isoc transfer */
#define EM2820_URB_TIMEOUT       msecs_to_jiffies(EM2820_NUM_BUFS * EM2820_NUM_PACKETS)

/* time in msecs to wait for i2c writes to finish */
#define EM2800_I2C_WRITE_TIMEOUT 20

/* the various frame states */
enum em2820_frame_state {
	F_UNUSED = 0,
	F_QUEUED,
	F_GRABBING,
	F_DONE,
	F_ERROR,
};

/* stream states */
enum em2820_stream_state {
	STREAM_OFF,
	STREAM_INTERRUPT,
	STREAM_ON,
};

/* frames */
struct em2820_frame_t {
	void *bufmem;
	struct v4l2_buffer buf;
	enum em2820_frame_state state;
	struct list_head frame;
	unsigned long vma_use_count;
	int top_field;
	int fieldbytesused;
};

/* io methods */
enum em2820_io_method {
	IO_NONE,
	IO_READ,
	IO_MMAP,
};

/* inputs */

#define MAX_EM2820_INPUT 4
enum enum2820_itype {
	EM2820_VMUX_COMPOSITE1 = 1,
	EM2820_VMUX_COMPOSITE2,
	EM2820_VMUX_COMPOSITE3,
	EM2820_VMUX_COMPOSITE4,
	EM2820_VMUX_SVIDEO,
	EM2820_VMUX_TELEVISION,
	EM2820_VMUX_CABLE,
	EM2820_VMUX_DVB,
	EM2820_VMUX_DEBUG,
	EM2820_RADIO,
};

struct em2820_input {
	enum enum2820_itype type;
	unsigned int vmux;
	unsigned int amux;
};

#define INPUT(nr) (&em2820_boards[dev->model].input[nr])

enum em2820_decoder {
	EM2820_TVP5150,
	EM2820_SAA7113,
	EM2820_SAA7114
};

struct em2820_board {
	char *name;
	int vchannels;
	int norm;
	int tuner_type;

	/* i2c flags */
	unsigned int is_em2800;
	unsigned int tda9887_conf;

	unsigned int has_tuner:1;
	unsigned int has_msp34xx:1;

	enum em2820_decoder decoder;

	struct em2820_input       input[MAX_EM2820_INPUT];
};

struct em2820_eeprom {
	u32 id;			/* 0x9567eb1a */
	u16 vendor_ID;
	u16 product_ID;

	u16 chip_conf;

	u16 board_conf;

	u16 string1, string2, string3;

	u8 string_idx_table;
};

/* device states */
enum em2820_dev_state {
	DEV_INITIALIZED = 0x01,
	DEV_DISCONNECTED = 0x02,
	DEV_MISCONFIGURED = 0x04,
};

/* tvnorms */
struct em2820_tvnorm {
	char *name;
	v4l2_std_id id;
	/* mode for saa7113h */
	int mode;
};

/* main device struct */
struct em2820 {
	/* generic device properties */
	char name[30];		/* name (including minor) of the device */
	int model;		/* index in the device_data struct */
	unsigned int is_em2800;
	int video_inputs;	/* number of video inputs */
	struct list_head	devlist;
	unsigned int has_tuner:1;
	unsigned int has_msp34xx:1;
	unsigned int has_tda9887:1;

	enum em2820_decoder decoder;

	int tuner_type;		/* type of the tuner */
	int tuner_addr;		/* tuner address */
	int tda9887_conf;
	/* i2c i/o */
	struct i2c_adapter i2c_adap;
	struct i2c_client i2c_client;
	/* video for linux */
	int users;		/* user count for exclusive use */
	struct video_device *vdev;	/* video for linux device struct */
	struct video_picture vpic;	/* picture settings only used to init saa7113h */
	struct em2820_tvnorm *tvnorm;	/* selected tv norm */
	int ctl_freq;		/* selected frequency */
	unsigned int ctl_input;	/* selected input */
	unsigned int ctl_ainput;	/* slected audio input */
	int mute;
	int volume;
	/* frame properties */
	struct em2820_frame_t frame[EM2820_NUM_FRAMES];	/* list of frames */
	int num_frames;		/* number of frames currently in use */
	unsigned int frame_count;	/* total number of transfered frames */
	struct em2820_frame_t *frame_current;	/* the frame that is being filled */
	int width;		/* current frame width */
	int height;		/* current frame height */
	int frame_size;		/* current frame size */
	int field_size;		/* current field size */
	int bytesperline;
	int hscale;		/* horizontal scale factor (see datasheet) */
	int vscale;		/* vertical scale factor (see datasheet) */
	int interlaced;		/* 1=interlace fileds, 0=just top fileds */
	int type;

	/* states */
	enum em2820_dev_state state;
	enum em2820_stream_state stream;
	enum em2820_io_method io;
	/* locks */
	struct semaphore lock, fileop_lock;
	spinlock_t queue_lock;
	struct list_head inqueue, outqueue;
	wait_queue_head_t open, wait_frame, wait_stream;
	struct video_device *vbi_dev;

	unsigned char eedata[256];

	/* usb transfer */
	struct usb_device *udev;	/* the usb device */
	int alt;		/* alternate */
	int max_pkt_size;	/* max packet size of isoc transaction */
	unsigned int alt_max_pkt_size[EM2820_MAX_ALT + 1];	/* array of wMaxPacketSize */
	struct urb *urb[EM2820_NUM_BUFS];	/* urb for isoc transfers */
	char *transfer_buffer[EM2820_NUM_BUFS];	/* transfer buffers for isoc transfer */
	/* helper funcs that call usb_control_msg */
	int (*em2820_write_regs) (struct em2820 * dev, u16 reg, char *buf,
				  int len);
	int (*em2820_read_reg) (struct em2820 * dev, u16 reg);
	int (*em2820_read_reg_req_len) (struct em2820 * dev, u8 req, u16 reg,
					char *buf, int len);
	int (*em2820_write_regs_req) (struct em2820 * dev, u8 req, u16 reg,
				      char *buf, int len);
	int (*em2820_read_reg_req) (struct em2820 * dev, u8 req, u16 reg);
};

/* Provided by em2820-i2c.c */

void em2820_i2c_call_clients(struct em2820 *dev, unsigned int cmd, void *arg);
int em2820_i2c_register(struct em2820 *dev);
int em2820_i2c_unregister(struct em2820 *dev);

/* Provided by em2820-input.c */

void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir);

/* Provided by em2820-core.c */

void em2820_print_ioctl(char *name, unsigned int cmd);

u32 em2820_request_buffers(struct em2820 *dev, u32 count);
void em2820_queue_unusedframes(struct em2820 *dev);
void em2820_release_buffers(struct em2820 *dev);

int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
			    char *buf, int len);
int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg);
int em2820_read_reg(struct em2820 *dev, u16 reg);
int em2820_write_regs_req(struct em2820 *dev, u8 req, u16 reg, char *buf,
			  int len);
int em2820_write_regs(struct em2820 *dev, u16 reg, char *buf, int len);
int em2820_write_reg_bits(struct em2820 *dev, u16 reg, u8 val,
			  u8 bitmask);
int em2820_write_ac97(struct em2820 *dev, u8 reg, u8 * val);
int em2820_audio_analog_set(struct em2820 *dev);
int em2820_colorlevels_set_default(struct em2820 *dev);
int em2820_capture_start(struct em2820 *dev, int start);
int em2820_outfmt_set_yuv422(struct em2820 *dev);
int em2820_accumulator_set(struct em2820 *dev, u8 xmin, u8 xmax, u8 ymin,
			   u8 ymax);
int em2820_capture_area_set(struct em2820 *dev, u8 hstart, u8 vstart,
			    u16 width, u16 height);
int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v);
int em2820_resolution_set(struct em2820 *dev);
void em2820_isocIrq(struct urb *urb, struct pt_regs *regs);
int em2820_init_isoc(struct em2820 *dev);
void em2820_uninit_isoc(struct em2820 *dev);
int em2820_set_alternate(struct em2820 *dev);

/* Provided by em2820-cards.c */
extern int em2800_variant_detect(struct usb_device* udev,int model);
extern void em2820_card_setup(struct em2820 *dev);
extern struct em2820_board em2820_boards[];
extern struct usb_device_id em2820_id_table[];
extern const unsigned int em2820_bcount;

/* em2820 registers */
#define CHIPID_REG	0x0a
#define USBSUSP_REG	0x0c	/* */

#define AUDIOSRC_REG	0x0e
#define XCLK_REG	0x0f

#define VINMODE_REG	0x10
#define VINCTRL_REG	0x11
#define VINENABLE_REG	0x12	/* */

#define GAMMA_REG	0x14
#define RGAIN_REG	0x15
#define GGAIN_REG	0x16
#define BGAIN_REG	0x17
#define ROFFSET_REG	0x18
#define GOFFSET_REG	0x19
#define BOFFSET_REG	0x1a

#define OFLOW_REG	0x1b
#define HSTART_REG	0x1c
#define VSTART_REG	0x1d
#define CWIDTH_REG	0x1e
#define CHEIGHT_REG	0x1f

#define YGAIN_REG	0x20
#define YOFFSET_REG	0x21
#define UVGAIN_REG	0x22
#define UOFFSET_REG	0x23
#define VOFFSET_REG	0x24
#define SHARPNESS_REG	0x25

#define COMPR_REG	0x26
#define OUTFMT_REG	0x27

#define XMIN_REG	0x28
#define XMAX_REG	0x29
#define YMIN_REG	0x2a
#define YMAX_REG	0x2b

#define HSCALELOW_REG	0x30
#define HSCALEHIGH_REG	0x31
#define VSCALELOW_REG	0x32
#define VSCALEHIGH_REG	0x33

#define AC97LSB_REG	0x40
#define AC97MSB_REG	0x41
#define AC97ADDR_REG	0x42
#define AC97BUSY_REG	0x43

/* em202 registers */
#define MASTER_AC97	0x02
#define VIDEO_AC97	0x14

/* register settings */
#define EM2820_AUDIO_SRC_TUNER	0xc0
#define EM2820_AUDIO_SRC_LINE	0x80

/* printk macros */

#define em2820_err(fmt, arg...) do {\
	printk(KERN_ERR fmt , ##arg); } while (0)

#define em2820_errdev(fmt, arg...) do {\
	printk(KERN_ERR "%s: "fmt,\
			dev->name , ##arg); } while (0)

#define em2820_info(fmt, arg...) do {\
	printk(KERN_INFO "%s: "fmt,\
			dev->name , ##arg); } while (0)
#define em2820_warn(fmt, arg...) do {\
	printk(KERN_WARNING "%s: "fmt,\
			dev->name , ##arg); } while (0)

inline static int em2820_audio_source(struct em2820 *dev, int input)
{
	return em2820_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
}

inline static int em2820_audio_usb_mute(struct em2820 *dev, int mute)
{
	return em2820_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
}

inline static int em2820_audio_analog_setup(struct em2820 *dev)
{
	/* unmute video mixer with default volume level */
	return em2820_write_ac97(dev, VIDEO_AC97, "\x08\x08");
}

inline static int em2820_compression_disable(struct em2820 *dev)
{
	/* side effect of disabling scaler and mixer */
	return em2820_write_regs(dev, COMPR_REG, "\x00", 1);
}

inline static int em2820_contrast_get(struct em2820 *dev)
{
	return em2820_read_reg(dev, YGAIN_REG) & 0x1f;
}

inline static int em2820_brightness_get(struct em2820 *dev)
{
	return em2820_read_reg(dev, YOFFSET_REG);
}

inline static int em2820_saturation_get(struct em2820 *dev)
{
	return em2820_read_reg(dev, UVGAIN_REG) & 0x1f;
}

inline static int em2820_u_balance_get(struct em2820 *dev)
{
	return em2820_read_reg(dev, UOFFSET_REG);
}

inline static int em2820_v_balance_get(struct em2820 *dev)
{
	return em2820_read_reg(dev, VOFFSET_REG);
}

inline static int em2820_gamma_get(struct em2820 *dev)
{
	return em2820_read_reg(dev, GAMMA_REG) & 0x3f;
}

inline static int em2820_contrast_set(struct em2820 *dev, s32 val)
{
	u8 tmp = (u8) val;
	return em2820_write_regs(dev, YGAIN_REG, &tmp, 1);
}

inline static int em2820_brightness_set(struct em2820 *dev, s32 val)
{
	u8 tmp = (u8) val;
	return em2820_write_regs(dev, YOFFSET_REG, &tmp, 1);
}

inline static int em2820_saturation_set(struct em2820 *dev, s32 val)
{
	u8 tmp = (u8) val;
	return em2820_write_regs(dev, UVGAIN_REG, &tmp, 1);
}

inline static int em2820_u_balance_set(struct em2820 *dev, s32 val)
{
	u8 tmp = (u8) val;
	return em2820_write_regs(dev, UOFFSET_REG, &tmp, 1);
}

inline static int em2820_v_balance_set(struct em2820 *dev, s32 val)
{
	u8 tmp = (u8) val;
	return em2820_write_regs(dev, VOFFSET_REG, &tmp, 1);
}

inline static int em2820_gamma_set(struct em2820 *dev, s32 val)
{
	u8 tmp = (u8) val;
	return em2820_write_regs(dev, GAMMA_REG, &tmp, 1);
}

/*FIXME: maxw should be dependent of alt mode */
inline static unsigned int norm_maxw(struct em2820 *dev)
{
	switch(dev->model){
		case (EM2820_BOARD_MSI_VOX_USB_2): return(640);
		default: return(720);
	}
}

inline static unsigned int norm_maxh(struct em2820 *dev)
{
	switch(dev->model){
		case (EM2820_BOARD_MSI_VOX_USB_2): return(480);
		default: return (dev->tvnorm->id & V4L2_STD_625_50) ? 576 : 480;
	}
}

#endif
Commit	Line	Data
a6c2ba28	1	/*
596d92d5	2	em2820-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
a6c2ba28	3
a6c2ba28	4	Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
4ac97914 MCC	5	Ludovico Cavedon <cavedon@sssup.it>
4ac97914 MCC	6	Mauro Carvalho Chehab <mchehab@brturbo.com.br>
a6c2ba28	7
	8	Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>
	9
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 2 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License
	21	along with this program; if not, write to the Free Software
	22	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	23	*/
	24
	25	#ifndef _EM2820_H
	26	#define _EM2820_H
	27
	28	#include <linux/videodev.h>
	29	#include <linux/i2c.h>
d5e52653	30	#include <media/ir-kbd-i2c.h>
a6c2ba28	31
596d92d5 MCC	32	/* Boards supported by driver */
	33
	34	#define EM2800_BOARD_UNKNOWN 0
	35	#define EM2820_BOARD_UNKNOWN 1
	36	#define EM2820_BOARD_TERRATEC_CINERGY_250 2
	37	#define EM2820_BOARD_PINNACLE_USB_2 3
	38	#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4
	39	#define EM2820_BOARD_MSI_VOX_USB_2 5
	40	#define EM2800_BOARD_TERRATEC_CINERGY_200 6
	41	#define EM2800_BOARD_LEADTEK_WINFAST_USBII 7
	42	#define EM2800_BOARD_KWORLD_USB2800 8
45632c4f	43	#define EM2820_BOARD_PINNACLE_DVC_90 9
596d92d5 MCC	44
	45	#define UNSET -1
	46
	47	/* maximum number of em28xx boards */
	48	#define EM2820_MAXBOARDS 1 /FIXME: should be bigger /
	49
a6c2ba28	50	/* maximum number of frames that can be queued */
	51	#define EM2820_NUM_FRAMES 5
	52	/* number of frames that get used for v4l2_read() */
	53	#define EM2820_NUM_READ_FRAMES 2
	54
	55	/* number of buffers for isoc transfers */
	56	#define EM2820_NUM_BUFS 5
	57
d5e52653 MCC	58	/* number of packets for each buffer
	59	windows requests only 40 packets .. so we better do the same
	60	this is what I found out for all alternate numbers there!
	61	*/
a6c2ba28	62	#define EM2820_NUM_PACKETS 40
a6c2ba28	63
a6c2ba28	64	/* default alternate; 0 means choose the best */
	65	#define EM2820_PINOUT 0
	66	#define EM2820_MAX_ALT 7
	67
	68	#define EM2820_INTERLACED_DEFAULT 1
	69
	70	/*
	71	#define (use usbview if you want to get the other alternate number infos)
	72	#define
	73	#define alternate number 2
	74	#define Endpoint Address: 82
	75	Direction: in
	76	Attribute: 1
	77	Type: Isoc
	78	Max Packet Size: 1448
	79	Interval: 125us
	80
	81	alternate number 7
	82
	83	Endpoint Address: 82
	84	Direction: in
	85	Attribute: 1
	86	Type: Isoc
	87	Max Packet Size: 3072
	88	Interval: 125us
	89	*/
	90
	91	/* time to wait when stopping the isoc transfer */
	92	#define EM2820_URB_TIMEOUT msecs_to_jiffies(EM2820_NUM_BUFS * EM2820_NUM_PACKETS)
	93
596d92d5 MCC	94	/* time in msecs to wait for i2c writes to finish */
	95	#define EM2800_I2C_WRITE_TIMEOUT 20
	96
a6c2ba28	97	/* the various frame states */
	98	enum em2820_frame_state {
	99	F_UNUSED = 0,
	100	F_QUEUED,
	101	F_GRABBING,
	102	F_DONE,
	103	F_ERROR,
	104	};
	105
	106	/* stream states */
	107	enum em2820_stream_state {
	108	STREAM_OFF,
	109	STREAM_INTERRUPT,
	110	STREAM_ON,
	111	};
	112
	113	/* frames */
	114	struct em2820_frame_t {
	115	void *bufmem;
	116	struct v4l2_buffer buf;
	117	enum em2820_frame_state state;
	118	struct list_head frame;
	119	unsigned long vma_use_count;
	120	int top_field;
	121	int fieldbytesused;
	122	};
	123
	124	/* io methods */
	125	enum em2820_io_method {
	126	IO_NONE,
	127	IO_READ,
	128	IO_MMAP,
	129	};
	130
	131	/* inputs */
	132
	133	#define MAX_EM2820_INPUT 4
	134	enum enum2820_itype {
	135	EM2820_VMUX_COMPOSITE1 = 1,
	136	EM2820_VMUX_COMPOSITE2,
	137	EM2820_VMUX_COMPOSITE3,
	138	EM2820_VMUX_COMPOSITE4,
	139	EM2820_VMUX_SVIDEO,
	140	EM2820_VMUX_TELEVISION,
	141	EM2820_VMUX_CABLE,
	142	EM2820_VMUX_DVB,
	143	EM2820_VMUX_DEBUG,
	144	EM2820_RADIO,
	145	};
	146
	147	struct em2820_input {
	148	enum enum2820_itype type;
	149	unsigned int vmux;
	150	unsigned int amux;
	151	};
	152
	153	#define INPUT(nr) (&em2820_boards[dev->model].input[nr])
	154
	155	enum em2820_decoder {
	156	EM2820_TVP5150,
	157	EM2820_SAA7113,
	158	EM2820_SAA7114
	159	};
	160
161	struct em2820_board {
162	char *name;
a6c2ba28	163	int vchannels;
	164	int norm;
	165	int tuner_type;
	166
	167	/* i2c flags */
596d92d5	168	unsigned int is_em2800;
a6c2ba28	169	unsigned int tda9887_conf;
	170
	171	unsigned int has_tuner:1;
	172	unsigned int has_msp34xx:1;
	173
	174	enum em2820_decoder decoder;
	175
	176	struct em2820_input input[MAX_EM2820_INPUT];
	177	};
	178
	179	struct em2820_eeprom {
	180	u32 id; /* 0x9567eb1a */
	181	u16 vendor_ID;
	182	u16 product_ID;
	183
	184	u16 chip_conf;
	185
	186	u16 board_conf;
	187
	188	u16 string1, string2, string3;
	189
	190	u8 string_idx_table;
	191	};
	192
	193	/* device states */
	194	enum em2820_dev_state {
	195	DEV_INITIALIZED = 0x01,
	196	DEV_DISCONNECTED = 0x02,
	197	DEV_MISCONFIGURED = 0x04,
	198	};
	199
	200	/* tvnorms */
	201	struct em2820_tvnorm {
	202	char *name;
	203	v4l2_std_id id;
	204	/* mode for saa7113h */
	205	int mode;
	206	};
	207
	208	/* main device struct */
	209	struct em2820 {
	210	/* generic device properties */
	211	char name[30]; /* name (including minor) of the device */
	212	int model; /* index in the device_data struct */
596d92d5	213	unsigned int is_em2800;
a6c2ba28	214	int video_inputs; /* number of video inputs */
9c75541f	215	struct list_head devlist;
a6c2ba28	216	unsigned int has_tuner:1;
	217	unsigned int has_msp34xx:1;
	218	unsigned int has_tda9887:1;
	219
	220	enum em2820_decoder decoder;
	221
	222	int tuner_type; /* type of the tuner */
	223	int tuner_addr; /* tuner address */
	224	int tda9887_conf;
	225	/* i2c i/o */
	226	struct i2c_adapter i2c_adap;
	227	struct i2c_client i2c_client;
	228	/* video for linux */
	229	int users; /* user count for exclusive use */
	230	struct video_device vdev; / video for linux device struct */
	231	struct video_picture vpic; /* picture settings only used to init saa7113h */
	232	struct em2820_tvnorm tvnorm; / selected tv norm */
	233	int ctl_freq; /* selected frequency */
	234	unsigned int ctl_input; /* selected input */
	235	unsigned int ctl_ainput; /* slected audio input */
	236	int mute;
	237	int volume;
	238	/* frame properties */
	239	struct em2820_frame_t frame[EM2820_NUM_FRAMES]; /* list of frames */
	240	int num_frames; /* number of frames currently in use */
	241	unsigned int frame_count; /* total number of transfered frames */
	242	struct em2820_frame_t frame_current; / the frame that is being filled */
	243	int width; /* current frame width */
	244	int height; /* current frame height */
	245	int frame_size; /* current frame size */
	246	int field_size; /* current field size */
	247	int bytesperline;
	248	int hscale; /* horizontal scale factor (see datasheet) */
	249	int vscale; /* vertical scale factor (see datasheet) */
	250	int interlaced; /* 1=interlace fileds, 0=just top fileds */
	251	int type;
	252
	253	/* states */
	254	enum em2820_dev_state state;
	255	enum em2820_stream_state stream;
	256	enum em2820_io_method io;
	257	/* locks */
	258	struct semaphore lock, fileop_lock;
	259	spinlock_t queue_lock;
	260	struct list_head inqueue, outqueue;
	261	wait_queue_head_t open, wait_frame, wait_stream;
	262	struct video_device *vbi_dev;
	263
	264	unsigned char eedata[256];
	265
	266	/* usb transfer */
	267	struct usb_device udev; / the usb device */
	268	int alt; /* alternate */
	269	int max_pkt_size; /* max packet size of isoc transaction */
	270	unsigned int alt_max_pkt_size[EM2820_MAX_ALT + 1]; /* array of wMaxPacketSize */
	271	struct urb urb[EM2820_NUM_BUFS]; / urb for isoc transfers */
	272	char transfer_buffer[EM2820_NUM_BUFS]; / transfer buffers for isoc transfer */
	273	/* helper funcs that call usb_control_msg */
	274	int (em2820_write_regs) (struct em2820 dev, u16 reg, char *buf,
	275	int len);
	276	int (em2820_read_reg) (struct em2820 dev, u16 reg);
	277	int (em2820_read_reg_req_len) (struct em2820 dev, u8 req, u16 reg,
	278	char *buf, int len);
	279	int (em2820_write_regs_req) (struct em2820 dev, u8 req, u16 reg,
280	char *buf, int len);
281	int (em2820_read_reg_req) (struct em2820 dev, u8 req, u16 reg);
282	};
283
284	/* Provided by em2820-i2c.c */
285
286	void em2820_i2c_call_clients(struct em2820 dev, unsigned int cmd, void arg);
287	int em2820_i2c_register(struct em2820 *dev);
288	int em2820_i2c_unregister(struct em2820 *dev);
289
d5e52653 MCC	290	/* Provided by em2820-input.c */
	291
	292	void em2820_set_ir(struct em2820 * dev,struct IR_i2c *ir);
	293
a6c2ba28	294	/* Provided by em2820-core.c */
	295
	296	void em2820_print_ioctl(char *name, unsigned int cmd);
	297
	298	u32 em2820_request_buffers(struct em2820 *dev, u32 count);
	299	void em2820_queue_unusedframes(struct em2820 *dev);
	300	void em2820_release_buffers(struct em2820 *dev);
	301
	302	int em2820_read_reg_req_len(struct em2820 *dev, u8 req, u16 reg,
	303	char *buf, int len);
	304	int em2820_read_reg_req(struct em2820 *dev, u8 req, u16 reg);
	305	int em2820_read_reg(struct em2820 *dev, u16 reg);
	306	int em2820_write_regs_req(struct em2820 dev, u8 req, u16 reg, char buf,
	307	int len);
	308	int em2820_write_regs(struct em2820 dev, u16 reg, char buf, int len);
	309	int em2820_write_reg_bits(struct em2820 *dev, u16 reg, u8 val,
	310	u8 bitmask);
	311	int em2820_write_ac97(struct em2820 dev, u8 reg, u8 val);
	312	int em2820_audio_analog_set(struct em2820 *dev);
	313	int em2820_colorlevels_set_default(struct em2820 *dev);
	314	int em2820_capture_start(struct em2820 *dev, int start);
	315	int em2820_outfmt_set_yuv422(struct em2820 *dev);
	316	int em2820_accumulator_set(struct em2820 *dev, u8 xmin, u8 xmax, u8 ymin,
	317	u8 ymax);
	318	int em2820_capture_area_set(struct em2820 *dev, u8 hstart, u8 vstart,
	319	u16 width, u16 height);
	320	int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v);
	321	int em2820_resolution_set(struct em2820 *dev);
	322	void em2820_isocIrq(struct urb urb, struct pt_regs regs);
	323	int em2820_init_isoc(struct em2820 *dev);
	324	void em2820_uninit_isoc(struct em2820 *dev);
	325	int em2820_set_alternate(struct em2820 *dev);
	326
	327	/* Provided by em2820-cards.c */
596d92d5	328	extern int em2800_variant_detect(struct usb_device* udev,int model);
a6c2ba28	329	extern void em2820_card_setup(struct em2820 *dev);
	330	extern struct em2820_board em2820_boards[];
	331	extern struct usb_device_id em2820_id_table[];
596d92d5	332	extern const unsigned int em2820_bcount;
a6c2ba28	333
a6c2ba28	334	/* em2820 registers */
596d92d5	335	#define CHIPID_REG 0x0a
a6c2ba28	336	#define USBSUSP_REG 0x0c /* */
	337
	338	#define AUDIOSRC_REG 0x0e
	339	#define XCLK_REG 0x0f
	340
	341	#define VINMODE_REG 0x10
	342	#define VINCTRL_REG 0x11
	343	#define VINENABLE_REG 0x12 /* */
	344
	345	#define GAMMA_REG 0x14
	346	#define RGAIN_REG 0x15
	347	#define GGAIN_REG 0x16
	348	#define BGAIN_REG 0x17
	349	#define ROFFSET_REG 0x18
	350	#define GOFFSET_REG 0x19
	351	#define BOFFSET_REG 0x1a
	352
	353	#define OFLOW_REG 0x1b
	354	#define HSTART_REG 0x1c
	355	#define VSTART_REG 0x1d
	356	#define CWIDTH_REG 0x1e
	357	#define CHEIGHT_REG 0x1f
	358
	359	#define YGAIN_REG 0x20
	360	#define YOFFSET_REG 0x21
	361	#define UVGAIN_REG 0x22
	362	#define UOFFSET_REG 0x23
	363	#define VOFFSET_REG 0x24
	364	#define SHARPNESS_REG 0x25
	365
	366	#define COMPR_REG 0x26
	367	#define OUTFMT_REG 0x27
	368
	369	#define XMIN_REG 0x28
	370	#define XMAX_REG 0x29
	371	#define YMIN_REG 0x2a
	372	#define YMAX_REG 0x2b
	373
	374	#define HSCALELOW_REG 0x30
	375	#define HSCALEHIGH_REG 0x31
	376	#define VSCALELOW_REG 0x32
	377	#define VSCALEHIGH_REG 0x33
	378
	379	#define AC97LSB_REG 0x40
	380	#define AC97MSB_REG 0x41
	381	#define AC97ADDR_REG 0x42
	382	#define AC97BUSY_REG 0x43
	383
	384	/* em202 registers */
	385	#define MASTER_AC97 0x02
	386	#define VIDEO_AC97 0x14
	387
	388	/* register settings */
	389	#define EM2820_AUDIO_SRC_TUNER 0xc0
	390	#define EM2820_AUDIO_SRC_LINE 0x80
	391
	392	/* printk macros */
	393
	394	#define em2820_err(fmt, arg...) do {\
4ac97914	395	printk(KERN_ERR fmt , ##arg); } while (0)
a6c2ba28	396
a6c2ba28	397	#define em2820_errdev(fmt, arg...) do {\
4ac97914	398	printk(KERN_ERR "%s: "fmt,\
a6c2ba28	399	dev->name , ##arg); } while (0)
	400
	401	#define em2820_info(fmt, arg...) do {\
4ac97914	402	printk(KERN_INFO "%s: "fmt,\
a6c2ba28	403	dev->name , ##arg); } while (0)
a6c2ba28	404	#define em2820_warn(fmt, arg...) do {\
4ac97914	405	printk(KERN_WARNING "%s: "fmt,\
a6c2ba28	406	dev->name , ##arg); } while (0)
	407
	408	inline static int em2820_audio_source(struct em2820 *dev, int input)
	409	{
	410	return em2820_write_reg_bits(dev, AUDIOSRC_REG, input, 0xc0);
	411	}
	412
	413	inline static int em2820_audio_usb_mute(struct em2820 *dev, int mute)
	414	{
	415	return em2820_write_reg_bits(dev, XCLK_REG, mute ? 0x00 : 0x80, 0x80);
	416	}
	417
	418	inline static int em2820_audio_analog_setup(struct em2820 *dev)
	419	{
	420	/* unmute video mixer with default volume level */
	421	return em2820_write_ac97(dev, VIDEO_AC97, "\x08\x08");
	422	}
	423
	424	inline static int em2820_compression_disable(struct em2820 *dev)
	425	{
	426	/* side effect of disabling scaler and mixer */
	427	return em2820_write_regs(dev, COMPR_REG, "\x00", 1);
	428	}
	429
	430	inline static int em2820_contrast_get(struct em2820 *dev)
	431	{
	432	return em2820_read_reg(dev, YGAIN_REG) & 0x1f;
	433	}
	434
	435	inline static int em2820_brightness_get(struct em2820 *dev)
	436	{
	437	return em2820_read_reg(dev, YOFFSET_REG);
	438	}
	439
	440	inline static int em2820_saturation_get(struct em2820 *dev)
	441	{
	442	return em2820_read_reg(dev, UVGAIN_REG) & 0x1f;
	443	}
	444
	445	inline static int em2820_u_balance_get(struct em2820 *dev)
	446	{
	447	return em2820_read_reg(dev, UOFFSET_REG);
	448	}
	449
	450	inline static int em2820_v_balance_get(struct em2820 *dev)
	451	{
	452	return em2820_read_reg(dev, VOFFSET_REG);
	453	}
	454
	455	inline static int em2820_gamma_get(struct em2820 *dev)
	456	{
	457	return em2820_read_reg(dev, GAMMA_REG) & 0x3f;
	458	}
	459
	460	inline static int em2820_contrast_set(struct em2820 *dev, s32 val)
	461	{
	462	u8 tmp = (u8) val;
	463	return em2820_write_regs(dev, YGAIN_REG, &tmp, 1);
	464	}
	465
	466	inline static int em2820_brightness_set(struct em2820 *dev, s32 val)
	467	{
	468	u8 tmp = (u8) val;
	469	return em2820_write_regs(dev, YOFFSET_REG, &tmp, 1);
470	}
471
472	inline static int em2820_saturation_set(struct em2820 *dev, s32 val)
473	{
474	u8 tmp = (u8) val;
475	return em2820_write_regs(dev, UVGAIN_REG, &tmp, 1);
476	}
477
478	inline static int em2820_u_balance_set(struct em2820 *dev, s32 val)
479	{
480	u8 tmp = (u8) val;
481	return em2820_write_regs(dev, UOFFSET_REG, &tmp, 1);
482	}
483
484	inline static int em2820_v_balance_set(struct em2820 *dev, s32 val)
485	{
486	u8 tmp = (u8) val;
487	return em2820_write_regs(dev, VOFFSET_REG, &tmp, 1);
488	}
489
490	inline static int em2820_gamma_set(struct em2820 *dev, s32 val)
491	{
492	u8 tmp = (u8) val;
493	return em2820_write_regs(dev, GAMMA_REG, &tmp, 1);
494	}
495
496	/FIXME: maxw should be dependent of alt mode /
30556b23 MR	497	inline static unsigned int norm_maxw(struct em2820 *dev)
	498	{
	499	switch(dev->model){
	500	case (EM2820_BOARD_MSI_VOX_USB_2): return(640);
	501	default: return(720);
	502	}
	503	}
	504
a6c2ba28	505	inline static unsigned int norm_maxh(struct em2820 *dev)
a6c2ba28	506	{
30556b23 MR	507	switch(dev->model){
	508	case (EM2820_BOARD_MSI_VOX_USB_2): return(480);
	509	default: return (dev->tvnorm->id & V4L2_STD_625_50) ? 576 : 480;
	510	}
a6c2ba28	511	}
	512
	513	#endif