[linux-2.6-block.git] / drivers / media / video / gspca / m5602 / m5602_bridge.h

/*
 * USB Driver for ALi m5602 based webcams
 *
 * Copyright (C) 2008 Erik Andrén
 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
 *
 * Portions of code to USB interface and ALi driver software,
 * Copyright (c) 2006 Willem Duinker
 * v4l2 interface modeled after the V4L2 driver
 * for SN9C10x PC Camera Controllers
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, version 2.
 *
 */

#ifndef M5602_BRIDGE_H_
#define M5602_BRIDGE_H_

#include <linux/slab.h>
#include "gspca.h"

#define MODULE_NAME "ALi m5602"

/*****************************************************************************/

#define M5602_XB_SENSOR_TYPE		0x00
#define M5602_XB_SENSOR_CTRL		0x01
#define M5602_XB_LINE_OF_FRAME_H	0x02
#define M5602_XB_LINE_OF_FRAME_L	0x03
#define M5602_XB_PIX_OF_LINE_H		0x04
#define M5602_XB_PIX_OF_LINE_L		0x05
#define M5602_XB_VSYNC_PARA		0x06
#define M5602_XB_HSYNC_PARA		0x07
#define M5602_XB_TEST_MODE_1		0x08
#define M5602_XB_TEST_MODE_2		0x09
#define M5602_XB_SIG_INI		0x0a
#define M5602_XB_DS_PARA		0x0e
#define M5602_XB_TRIG_PARA		0x0f
#define M5602_XB_CLK_PD			0x10
#define M5602_XB_MCU_CLK_CTRL		0x12
#define M5602_XB_MCU_CLK_DIV		0x13
#define M5602_XB_SEN_CLK_CTRL		0x14
#define M5602_XB_SEN_CLK_DIV		0x15
#define M5602_XB_AUD_CLK_CTRL		0x16
#define M5602_XB_AUD_CLK_DIV		0x17
#define M5602_OB_AC_LINK_STATE		0x22
#define M5602_OB_PCM_SLOT_INDEX		0x24
#define M5602_OB_GPIO_SLOT_INDEX	0x25
#define M5602_OB_ACRX_STATUS_ADDRESS_H	0x28
#define M5602_OB_ACRX_STATUS_DATA_L	0x29
#define M5602_OB_ACRX_STATUS_DATA_H	0x2a
#define M5602_OB_ACTX_COMMAND_ADDRESS	0x31
#define M5602_OB_ACRX_COMMAND_DATA_L	0x32
#define M5602_OB_ACTX_COMMAND_DATA_H	0X33
#define M5602_XB_DEVCTR1		0x41
#define M5602_XB_EPSETR0		0x42
#define M5602_XB_EPAFCTR		0x47
#define M5602_XB_EPBFCTR		0x49
#define M5602_XB_EPEFCTR		0x4f
#define M5602_XB_TEST_REG		0x53
#define M5602_XB_ALT2SIZE		0x54
#define M5602_XB_ALT3SIZE		0x55
#define M5602_XB_OBSFRAME		0x56
#define M5602_XB_PWR_CTL		0x59
#define M5602_XB_ADC_CTRL		0x60
#define M5602_XB_ADC_DATA		0x61
#define M5602_XB_MISC_CTRL		0x62
#define M5602_XB_SNAPSHOT		0x63
#define M5602_XB_SCRATCH_1		0x64
#define M5602_XB_SCRATCH_2		0x65
#define M5602_XB_SCRATCH_3		0x66
#define M5602_XB_SCRATCH_4		0x67
#define M5602_XB_I2C_CTRL		0x68
#define M5602_XB_I2C_CLK_DIV		0x69
#define M5602_XB_I2C_DEV_ADDR		0x6a
#define M5602_XB_I2C_REG_ADDR		0x6b
#define M5602_XB_I2C_DATA		0x6c
#define M5602_XB_I2C_STATUS		0x6d
#define M5602_XB_GPIO_DAT_H		0x70
#define M5602_XB_GPIO_DAT_L		0x71
#define M5602_XB_GPIO_DIR_H		0x72
#define M5602_XB_GPIO_DIR_L		0x73
#define M5602_XB_GPIO_EN_H		0x74
#define M5602_XB_GPIO_EN_L		0x75
#define M5602_XB_GPIO_DAT		0x76
#define M5602_XB_GPIO_DIR		0x77
#define M5602_XB_SEN_CLK_CONTROL	0x80
#define M5602_XB_SEN_CLK_DIVISION	0x81
#define M5602_XB_CPR_CLK_CONTROL	0x82
#define M5602_XB_CPR_CLK_DIVISION	0x83
#define M5602_XB_MCU_CLK_CONTROL	0x84
#define M5602_XB_MCU_CLK_DIVISION	0x85
#define M5602_XB_DCT_CLK_CONTROL	0x86
#define M5602_XB_DCT_CLK_DIVISION	0x87
#define M5602_XB_EC_CLK_CONTROL		0x88
#define M5602_XB_EC_CLK_DIVISION	0x89
#define M5602_XB_LBUF_CLK_CONTROL	0x8a
#define M5602_XB_LBUF_CLK_DIVISION	0x8b

#define I2C_BUSY 0x80

/*****************************************************************************/

/* Driver info */
#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project"
#define DRIVER_DESC "ALi m5602 webcam driver"

#define M5602_ISOC_ENDPOINT_ADDR 0x81
#define M5602_INTR_ENDPOINT_ADDR 0x82

#define M5602_URB_MSG_TIMEOUT   5000

/*****************************************************************************/

/* A skeleton used for sending messages to the m5602 bridge */
static const unsigned char bridge_urb_skeleton[] = {
	0x13, 0x00, 0x81, 0x00
};

/* A skeleton used for sending messages to the sensor */
static const unsigned char sensor_urb_skeleton[] = {
	0x23, M5602_XB_GPIO_EN_H, 0x81, 0x06,
	0x23, M5602_XB_MISC_CTRL, 0x81, 0x80,
	0x13, M5602_XB_I2C_DEV_ADDR, 0x81, 0x00,
	0x13, M5602_XB_I2C_REG_ADDR, 0x81, 0x00,
	0x13, M5602_XB_I2C_DATA, 0x81, 0x00,
	0x13, M5602_XB_I2C_CTRL, 0x81, 0x11
};

struct sd {
	struct gspca_dev gspca_dev;

	/* A pointer to the currently connected sensor */
	const struct m5602_sensor *sensor;

	struct sd_desc *desc;

	/* Sensor private data */
	void *sensor_priv;

	/* The current frame's id, used to detect frame boundaries */
	u8 frame_id;

	/* The current frame count */
	u32 frame_count;
};

int m5602_read_bridge(
	struct sd *sd, const u8 address, u8 *i2c_data);

int m5602_write_bridge(
	struct sd *sd, const u8 address, const u8 i2c_data);

int m5602_write_sensor(struct sd *sd, const u8 address,
		       u8 *i2c_data, const u8 len);

int m5602_read_sensor(struct sd *sd, const u8 address,
		      u8 *i2c_data, const u8 len);

#endif
Commit	Line	Data
c109f816 EA	1	/*
	2	* USB Driver for ALi m5602 based webcams
	3	*
0c505e68	4	* Copyright (C) 2008 Erik Andrén
c109f816 EA	5	* Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
	6	* Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
	7	*
	8	* Portions of code to USB interface and ALi driver software,
	9	* Copyright (c) 2006 Willem Duinker
	10	* v4l2 interface modeled after the V4L2 driver
	11	* for SN9C10x PC Camera Controllers
	12	*
	13	* This program is free software; you can redistribute it and/or
	14	* modify it under the terms of the GNU General Public License as
	15	* published by the Free Software Foundation, version 2.
	16	*
	17	*/
	18
	19	#ifndef M5602_BRIDGE_H_
	20	#define M5602_BRIDGE_H_
	21
be2a9fae	22	#include <linux/slab.h>
c109f816 EA	23	#include "gspca.h"
	24
	25	#define MODULE_NAME "ALi m5602"
	26
	27	/*****************************************************************************/
	28
000e177f EA	29	#define M5602_XB_SENSOR_TYPE 0x00
	30	#define M5602_XB_SENSOR_CTRL 0x01
	31	#define M5602_XB_LINE_OF_FRAME_H 0x02
	32	#define M5602_XB_LINE_OF_FRAME_L 0x03
	33	#define M5602_XB_PIX_OF_LINE_H 0x04
	34	#define M5602_XB_PIX_OF_LINE_L 0x05
	35	#define M5602_XB_VSYNC_PARA 0x06
	36	#define M5602_XB_HSYNC_PARA 0x07
	37	#define M5602_XB_TEST_MODE_1 0x08
	38	#define M5602_XB_TEST_MODE_2 0x09
	39	#define M5602_XB_SIG_INI 0x0a
	40	#define M5602_XB_DS_PARA 0x0e
	41	#define M5602_XB_TRIG_PARA 0x0f
	42	#define M5602_XB_CLK_PD 0x10
	43	#define M5602_XB_MCU_CLK_CTRL 0x12
	44	#define M5602_XB_MCU_CLK_DIV 0x13
	45	#define M5602_XB_SEN_CLK_CTRL 0x14
	46	#define M5602_XB_SEN_CLK_DIV 0x15
	47	#define M5602_XB_AUD_CLK_CTRL 0x16
	48	#define M5602_XB_AUD_CLK_DIV 0x17
86c9fb51 EA	49	#define M5602_OB_AC_LINK_STATE 0x22
	50	#define M5602_OB_PCM_SLOT_INDEX 0x24
	51	#define M5602_OB_GPIO_SLOT_INDEX 0x25
	52	#define M5602_OB_ACRX_STATUS_ADDRESS_H 0x28
	53	#define M5602_OB_ACRX_STATUS_DATA_L 0x29
	54	#define M5602_OB_ACRX_STATUS_DATA_H 0x2a
	55	#define M5602_OB_ACTX_COMMAND_ADDRESS 0x31
	56	#define M5602_OB_ACRX_COMMAND_DATA_L 0x32
	57	#define M5602_OB_ACTX_COMMAND_DATA_H 0X33
000e177f EA	58	#define M5602_XB_DEVCTR1 0x41
	59	#define M5602_XB_EPSETR0 0x42
	60	#define M5602_XB_EPAFCTR 0x47
	61	#define M5602_XB_EPBFCTR 0x49
	62	#define M5602_XB_EPEFCTR 0x4f
	63	#define M5602_XB_TEST_REG 0x53
	64	#define M5602_XB_ALT2SIZE 0x54
	65	#define M5602_XB_ALT3SIZE 0x55
	66	#define M5602_XB_OBSFRAME 0x56
	67	#define M5602_XB_PWR_CTL 0x59
	68	#define M5602_XB_ADC_CTRL 0x60
	69	#define M5602_XB_ADC_DATA 0x61
	70	#define M5602_XB_MISC_CTRL 0x62
	71	#define M5602_XB_SNAPSHOT 0x63
	72	#define M5602_XB_SCRATCH_1 0x64
	73	#define M5602_XB_SCRATCH_2 0x65
	74	#define M5602_XB_SCRATCH_3 0x66
	75	#define M5602_XB_SCRATCH_4 0x67
	76	#define M5602_XB_I2C_CTRL 0x68
	77	#define M5602_XB_I2C_CLK_DIV 0x69
	78	#define M5602_XB_I2C_DEV_ADDR 0x6a
	79	#define M5602_XB_I2C_REG_ADDR 0x6b
	80	#define M5602_XB_I2C_DATA 0x6c
	81	#define M5602_XB_I2C_STATUS 0x6d
	82	#define M5602_XB_GPIO_DAT_H 0x70
	83	#define M5602_XB_GPIO_DAT_L 0x71
	84	#define M5602_XB_GPIO_DIR_H 0x72
	85	#define M5602_XB_GPIO_DIR_L 0x73
	86	#define M5602_XB_GPIO_EN_H 0x74
	87	#define M5602_XB_GPIO_EN_L 0x75
	88	#define M5602_XB_GPIO_DAT 0x76
	89	#define M5602_XB_GPIO_DIR 0x77
86c9fb51 EA	90	#define M5602_XB_SEN_CLK_CONTROL 0x80
	91	#define M5602_XB_SEN_CLK_DIVISION 0x81
	92	#define M5602_XB_CPR_CLK_CONTROL 0x82
	93	#define M5602_XB_CPR_CLK_DIVISION 0x83
	94	#define M5602_XB_MCU_CLK_CONTROL 0x84
	95	#define M5602_XB_MCU_CLK_DIVISION 0x85
	96	#define M5602_XB_DCT_CLK_CONTROL 0x86
	97	#define M5602_XB_DCT_CLK_DIVISION 0x87
	98	#define M5602_XB_EC_CLK_CONTROL 0x88
	99	#define M5602_XB_EC_CLK_DIVISION 0x89
	100	#define M5602_XB_LBUF_CLK_CONTROL 0x8a
	101	#define M5602_XB_LBUF_CLK_DIVISION 0x8b
c109f816	102
9267b1e8	103	#define I2C_BUSY 0x80
c109f816 EA	104
	105	/*****************************************************************************/
	106
	107	/* Driver info */
	108	#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project"
	109	#define DRIVER_DESC "ALi m5602 webcam driver"
	110
	111	#define M5602_ISOC_ENDPOINT_ADDR 0x81
	112	#define M5602_INTR_ENDPOINT_ADDR 0x82
	113
c109f816	114	#define M5602_URB_MSG_TIMEOUT 5000
c109f816 EA	115
	116	/*****************************************************************************/
	117
	118	/* A skeleton used for sending messages to the m5602 bridge */
	119	static const unsigned char bridge_urb_skeleton[] = {
	120	0x13, 0x00, 0x81, 0x00
	121	};
	122
	123	/* A skeleton used for sending messages to the sensor */
	124	static const unsigned char sensor_urb_skeleton[] = {
	125	0x23, M5602_XB_GPIO_EN_H, 0x81, 0x06,
	126	0x23, M5602_XB_MISC_CTRL, 0x81, 0x80,
	127	0x13, M5602_XB_I2C_DEV_ADDR, 0x81, 0x00,
	128	0x13, M5602_XB_I2C_REG_ADDR, 0x81, 0x00,
	129	0x13, M5602_XB_I2C_DATA, 0x81, 0x00,
	130	0x13, M5602_XB_I2C_CTRL, 0x81, 0x11
	131	};
	132
c109f816 EA	133	struct sd {
	134	struct gspca_dev gspca_dev;
	135
c109f816	136	/* A pointer to the currently connected sensor */
e4cc4fcc	137	const struct m5602_sensor *sensor;
c109f816	138
d2d7e9ae EA	139	struct sd_desc *desc;
d2d7e9ae EA	140
d9c700d4 EA	141	/* Sensor private data */
	142	void *sensor_priv;
	143
c109f816 EA	144	/* The current frame's id, used to detect frame boundaries */
	145	u8 frame_id;
	146
	147	/* The current frame count */
	148	u32 frame_count;
	149	};
	150
	151	int m5602_read_bridge(
ff1e6a21	152	struct sd sd, const u8 address, u8 i2c_data);
c109f816 EA	153
c109f816 EA	154	int m5602_write_bridge(
ff1e6a21	155	struct sd *sd, const u8 address, const u8 i2c_data);
c109f816	156
6dc4cff0 EA	157	int m5602_write_sensor(struct sd *sd, const u8 address,
	158	u8 *i2c_data, const u8 len);
	159
e7a7f510 EA	160	int m5602_read_sensor(struct sd *sd, const u8 address,
	161	u8 *i2c_data, const u8 len);
	162
c109f816	163	#endif