[linux-2.6-block.git] / drivers / misc / ad525x_dpot.h

/*
 * Driver for the Analog Devices digital potentiometers
 *
 * Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef _AD_DPOT_H_
#define _AD_DPOT_H_

#include <linux/types.h>

#define DPOT_CONF(features, wipers, max_pos, uid) \
		(((features) << 18) | (((wipers) & 0xFF) << 10) | \
		((max_pos & 0xF) << 6) | (uid & 0x3F))

#define DPOT_UID(conf)		(conf & 0x3F)
#define DPOT_MAX_POS(conf)	((conf >> 6) & 0xF)
#define DPOT_WIPERS(conf)	((conf >> 10) & 0xFF)
#define DPOT_FEAT(conf)		(conf >> 18)

#define BRDAC0			(1 << 0)
#define BRDAC1			(1 << 1)
#define BRDAC2			(1 << 2)
#define BRDAC3			(1 << 3)
#define BRDAC4			(1 << 4)
#define BRDAC5			(1 << 5)
#define MAX_RDACS		6

#define F_CMD_INC		(1 << 0)	/* Features INC/DEC ALL, 6dB */
#define F_CMD_EEP		(1 << 1)	/* Features EEPROM */
#define F_CMD_OTP		(1 << 2)	/* Features OTP */
#define F_CMD_TOL		(1 << 3)	/* RDACS feature Tolerance REG */
#define F_RDACS_RW		(1 << 4)	/* RDACS are Read/Write  */
#define F_RDACS_WONLY		(1 << 5)	/* RDACS are Write only */
#define F_AD_APPDATA		(1 << 6)	/* RDAC Address append to data */
#define F_SPI_8BIT		(1 << 7)	/* All SPI XFERS are 8-bit */
#define F_SPI_16BIT		(1 << 8)	/* All SPI XFERS are 16-bit */
#define F_SPI_24BIT		(1 << 9)	/* All SPI XFERS are 24-bit */

#define F_RDACS_RW_TOL	(F_RDACS_RW | F_CMD_EEP | F_CMD_TOL)
#define F_RDACS_RW_EEP	(F_RDACS_RW | F_CMD_EEP)
#define F_SPI		(F_SPI_8BIT | F_SPI_16BIT | F_SPI_24BIT)

enum dpot_devid {
	AD5258_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 6, 0), /* I2C */
	AD5259_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 8, 1),
	AD5251_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
			BRDAC1 | BRDAC3, 6, 2),
	AD5252_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
			BRDAC1 | BRDAC3, 8, 3),
	AD5253_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 4),
	AD5254_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 5),
	AD5255_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
			BRDAC0 | BRDAC1 | BRDAC2, 9, 6),
	AD5160_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 8, 7), /* SPI */
	AD5161_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 8, 8),
	AD5162_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1, 8, 9),
	AD5165_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 8, 10),
	AD5200_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 8, 11),
	AD5201_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 5, 12),
	AD5203_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 13),
	AD5204_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 14),
	AD5206_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3 | BRDAC4 | BRDAC5,
			8, 15),
	AD5207_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1, 8, 16),
	AD5231_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
			BRDAC0, 10, 17),
	AD5232_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_16BIT,
			BRDAC0 | BRDAC1, 8, 18),
	AD5233_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_16BIT,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 6, 19),
	AD5235_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
			BRDAC0 | BRDAC1, 10, 20),
	AD5260_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 8, 21),
	AD5262_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1, 8, 22),
	AD5263_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 23),
	AD5290_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 8, 24),
	AD5291_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT | F_CMD_OTP,
			BRDAC0, 8, 25),
	AD5292_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT | F_CMD_OTP,
			BRDAC0, 10, 26),
	AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
	AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
			BRDAC0, 7, 28),
	AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0, 8, 29),
	AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1, 8, 30),
	AD8403_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
			BRDAC0 | BRDAC1 | BRDAC2, 8, 31),
	ADN2850_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT,
			BRDAC0 | BRDAC1, 10, 32),
	AD5241_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 33),
	AD5242_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 34),
	AD5243_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 35),
	AD5245_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 36),
	AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37),
	AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38),
	AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39),
	AD5280_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 40),
	AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 41),
	ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
			BRDAC0 | BRDAC1 | BRDAC2, 9, 42),
	AD5273_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 43),
	AD5171_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 44),
	AD5170_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 45),
	AD5172_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 46),
	AD5173_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 47),
	AD5270_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP | F_SPI_16BIT,
			BRDAC0, 10, 48),
	AD5271_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP | F_SPI_16BIT,
			BRDAC0, 8, 49),
	AD5272_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 10, 50),
	AD5274_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 51),
};

#define DPOT_RDAC0		0
#define DPOT_RDAC1		1
#define DPOT_RDAC2		2
#define DPOT_RDAC3		3
#define DPOT_RDAC4		4
#define DPOT_RDAC5		5

#define DPOT_RDAC_MASK		0x1F

#define DPOT_REG_TOL		0x18
#define DPOT_TOL_RDAC0		(DPOT_REG_TOL | DPOT_RDAC0)
#define DPOT_TOL_RDAC1		(DPOT_REG_TOL | DPOT_RDAC1)
#define DPOT_TOL_RDAC2		(DPOT_REG_TOL | DPOT_RDAC2)
#define DPOT_TOL_RDAC3		(DPOT_REG_TOL | DPOT_RDAC3)
#define DPOT_TOL_RDAC4		(DPOT_REG_TOL | DPOT_RDAC4)
#define DPOT_TOL_RDAC5		(DPOT_REG_TOL | DPOT_RDAC5)

/* RDAC-to-EEPROM Interface Commands */
#define DPOT_ADDR_RDAC		(0x0 << 5)
#define DPOT_ADDR_EEPROM	(0x1 << 5)
#define DPOT_ADDR_OTP		(0x1 << 6)
#define DPOT_ADDR_CMD		(0x1 << 7)
#define DPOT_ADDR_OTP_EN	(0x1 << 9)

#define DPOT_DEC_ALL_6DB	(DPOT_ADDR_CMD | (0x4 << 3))
#define DPOT_INC_ALL_6DB	(DPOT_ADDR_CMD | (0x9 << 3))
#define DPOT_DEC_ALL		(DPOT_ADDR_CMD | (0x6 << 3))
#define DPOT_INC_ALL		(DPOT_ADDR_CMD | (0xB << 3))

#define DPOT_SPI_RDAC		0xB0
#define DPOT_SPI_EEPROM		0x30
#define DPOT_SPI_READ_RDAC	0xA0
#define DPOT_SPI_READ_EEPROM	0x90
#define DPOT_SPI_DEC_ALL_6DB	0x50
#define DPOT_SPI_INC_ALL_6DB	0xD0
#define DPOT_SPI_DEC_ALL	0x70
#define DPOT_SPI_INC_ALL	0xF0

/* AD5291/2/3 use special commands */
#define DPOT_AD5291_RDAC	0x01
#define DPOT_AD5291_READ_RDAC	0x02
#define DPOT_AD5291_STORE_XTPM	0x03
#define DPOT_AD5291_CTRLREG	0x06
#define DPOT_AD5291_UNLOCK_CMD	0x03

/* AD5270/1/2/4 use special commands */
#define DPOT_AD5270_1_2_4_RDAC		0x01
#define DPOT_AD5270_1_2_4_READ_RDAC	0x02
#define DPOT_AD5270_1_2_4_STORE_XTPM	0x03
#define DPOT_AD5270_1_2_4_CTRLREG	0x07
#define DPOT_AD5270_1_2_4_UNLOCK_CMD	0x03

#define DPOT_AD5282_RDAC_AB	0x80

#define DPOT_AD5273_FUSE	0x80
#define DPOT_AD5170_2_3_FUSE	0x20
#define DPOT_AD5170_2_3_OW	0x08
#define DPOT_AD5172_3_A0	0x08
#define DPOT_AD5170_2FUSE	0x80

struct dpot_data;

struct ad_dpot_bus_ops {
	int (*read_d8) (void *client);
	int (*read_r8d8) (void *client, u8 reg);
	int (*read_r8d16) (void *client, u8 reg);
	int (*write_d8) (void *client, u8 val);
	int (*write_r8d8) (void *client, u8 reg, u8 val);
	int (*write_r8d16) (void *client, u8 reg, u16 val);
};

struct ad_dpot_bus_data {
	void *client;
	const struct ad_dpot_bus_ops *bops;
};

int ad_dpot_probe(struct device *dev, struct ad_dpot_bus_data *bdata,
		  unsigned long devid, const char *name);
int ad_dpot_remove(struct device *dev);

#endif
Commit	Line	Data
6c536e4c MH	1	/*
	2	* Driver for the Analog Devices digital potentiometers
	3	*
	4	* Copyright (C) 2010 Michael Hennerich, Analog Devices Inc.
	5	*
	6	* Licensed under the GPL-2 or later.
	7	*/
	8
	9	#ifndef _AD_DPOT_H_
	10	#define _AD_DPOT_H_
	11
	12	#include <linux/types.h>
	13
	14	#define DPOT_CONF(features, wipers, max_pos, uid) \
	15	(((features) << 18) \| (((wipers) & 0xFF) << 10) \| \
	16	((max_pos & 0xF) << 6) \| (uid & 0x3F))
	17
59592d0c MH	18	#define DPOT_UID(conf) (conf & 0x3F)
	19	#define DPOT_MAX_POS(conf) ((conf >> 6) & 0xF)
	20	#define DPOT_WIPERS(conf) ((conf >> 10) & 0xFF)
	21	#define DPOT_FEAT(conf) (conf >> 18)
	22
	23	#define BRDAC0 (1 << 0)
	24	#define BRDAC1 (1 << 1)
	25	#define BRDAC2 (1 << 2)
	26	#define BRDAC3 (1 << 3)
	27	#define BRDAC4 (1 << 4)
	28	#define BRDAC5 (1 << 5)
	29	#define MAX_RDACS 6
6c536e4c MH	30
	31	#define F_CMD_INC (1 << 0) /* Features INC/DEC ALL, 6dB */
	32	#define F_CMD_EEP (1 << 1) /* Features EEPROM */
e3ae6847 MH	33	#define F_CMD_OTP (1 << 2) /* Features OTP */
	34	#define F_CMD_TOL (1 << 3) /* RDACS feature Tolerance REG */
	35	#define F_RDACS_RW (1 << 4) /* RDACS are Read/Write */
	36	#define F_RDACS_WONLY (1 << 5) /* RDACS are Write only */
	37	#define F_AD_APPDATA (1 << 6) /* RDAC Address append to data */
	38	#define F_SPI_8BIT (1 << 7) /* All SPI XFERS are 8-bit */
	39	#define F_SPI_16BIT (1 << 8) /* All SPI XFERS are 16-bit */
	40	#define F_SPI_24BIT (1 << 9) /* All SPI XFERS are 24-bit */
6c536e4c MH	41
	42	#define F_RDACS_RW_TOL (F_RDACS_RW \| F_CMD_EEP \| F_CMD_TOL)
	43	#define F_RDACS_RW_EEP (F_RDACS_RW \| F_CMD_EEP)
	44	#define F_SPI (F_SPI_8BIT \| F_SPI_16BIT \| F_SPI_24BIT)
	45
	46	enum dpot_devid {
	47	AD5258_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 6, 0), /* I2C */
	48	AD5259_ID = DPOT_CONF(F_RDACS_RW_TOL, BRDAC0, 8, 1),
	49	AD5251_ID = DPOT_CONF(F_RDACS_RW_TOL \| F_CMD_INC,
4b068de9	50	BRDAC1 \| BRDAC3, 6, 2),
6c536e4c	51	AD5252_ID = DPOT_CONF(F_RDACS_RW_TOL \| F_CMD_INC,
4b068de9	52	BRDAC1 \| BRDAC3, 8, 3),
6c536e4c MH	53	AD5253_ID = DPOT_CONF(F_RDACS_RW_TOL \| F_CMD_INC,
	54	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3, 6, 4),
	55	AD5254_ID = DPOT_CONF(F_RDACS_RW_TOL \| F_CMD_INC,
	56	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3, 8, 5),
	57	AD5255_ID = DPOT_CONF(F_RDACS_RW_TOL \| F_CMD_INC,
	58	BRDAC0 \| BRDAC1 \| BRDAC2, 9, 6),
	59	AD5160_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	60	BRDAC0, 8, 7), /* SPI */
	61	AD5161_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	62	BRDAC0, 8, 8),
	63	AD5162_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	64	BRDAC0 \| BRDAC1, 8, 9),
	65	AD5165_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	66	BRDAC0, 8, 10),
	67	AD5200_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	68	BRDAC0, 8, 11),
	69	AD5201_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	70	BRDAC0, 5, 12),
	71	AD5203_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	72	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3, 6, 13),
	73	AD5204_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	74	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3, 8, 14),
	75	AD5206_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	76	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3 \| BRDAC4 \| BRDAC5,
	77	8, 15),
	78	AD5207_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	79	BRDAC0 \| BRDAC1, 8, 16),
	80	AD5231_ID = DPOT_CONF(F_RDACS_RW_EEP \| F_CMD_INC \| F_SPI_24BIT,
	81	BRDAC0, 10, 17),
	82	AD5232_ID = DPOT_CONF(F_RDACS_RW_EEP \| F_CMD_INC \| F_SPI_16BIT,
	83	BRDAC0 \| BRDAC1, 8, 18),
	84	AD5233_ID = DPOT_CONF(F_RDACS_RW_EEP \| F_CMD_INC \| F_SPI_16BIT,
	85	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3, 6, 19),
	86	AD5235_ID = DPOT_CONF(F_RDACS_RW_EEP \| F_CMD_INC \| F_SPI_24BIT,
	87	BRDAC0 \| BRDAC1, 10, 20),
	88	AD5260_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	89	BRDAC0, 8, 21),
	90	AD5262_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	91	BRDAC0 \| BRDAC1, 8, 22),
	92	AD5263_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	93	BRDAC0 \| BRDAC1 \| BRDAC2 \| BRDAC3, 8, 23),
	94	AD5290_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	95	BRDAC0, 8, 24),
a4bd3949 MH	96	AD5291_ID = DPOT_CONF(F_RDACS_RW \| F_SPI_16BIT \| F_CMD_OTP,
	97	BRDAC0, 8, 25),
	98	AD5292_ID = DPOT_CONF(F_RDACS_RW \| F_SPI_16BIT \| F_CMD_OTP,
	99	BRDAC0, 10, 26),
6c536e4c MH	100	AD5293_ID = DPOT_CONF(F_RDACS_RW \| F_SPI_16BIT, BRDAC0, 10, 27),
	101	AD7376_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_8BIT,
	102	BRDAC0, 7, 28),
6ac2afb3	103	AD8400_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
6c536e4c MH	104	BRDAC0, 8, 29),
	105	AD8402_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	106	BRDAC0 \| BRDAC1, 8, 30),
	107	AD8403_ID = DPOT_CONF(F_RDACS_WONLY \| F_AD_APPDATA \| F_SPI_16BIT,
	108	BRDAC0 \| BRDAC1 \| BRDAC2, 8, 31),
	109	ADN2850_ID = DPOT_CONF(F_RDACS_RW_EEP \| F_CMD_INC \| F_SPI_24BIT,
	110	BRDAC0 \| BRDAC1, 10, 32),
e3ae6847 MH	111	AD5241_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 33),
	112	AD5242_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 \| BRDAC1, 8, 34),
	113	AD5243_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 \| BRDAC1, 8, 35),
	114	AD5245_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 36),
	115	AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37),
	116	AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38),
	117	AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 \| BRDAC1, 8, 39),
c74cba61 MH	118	AD5280_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 40),
	119	AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 \| BRDAC1, 8, 41),
	120	ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL \| F_CMD_INC,
	121	BRDAC0 \| BRDAC1 \| BRDAC2, 9, 42),
59592d0c MH	122	AD5273_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0, 6, 43),
	123	AD5171_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0, 6, 44),
	124	AD5170_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0, 8, 45),
	125	AD5172_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0 \| BRDAC1, 8, 46),
	126	AD5173_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0 \| BRDAC1, 8, 47),
a4bd3949 MH	127	AD5270_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP \| F_SPI_16BIT,
	128	BRDAC0, 10, 48),
	129	AD5271_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP \| F_SPI_16BIT,
	130	BRDAC0, 8, 49),
	131	AD5272_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0, 10, 50),
	132	AD5274_ID = DPOT_CONF(F_RDACS_RW \| F_CMD_OTP, BRDAC0, 8, 51),
6c536e4c MH	133	};
	134
	135	#define DPOT_RDAC0 0
	136	#define DPOT_RDAC1 1
	137	#define DPOT_RDAC2 2
	138	#define DPOT_RDAC3 3
	139	#define DPOT_RDAC4 4
	140	#define DPOT_RDAC5 5
	141
	142	#define DPOT_RDAC_MASK 0x1F
	143
	144	#define DPOT_REG_TOL 0x18
	145	#define DPOT_TOL_RDAC0 (DPOT_REG_TOL \| DPOT_RDAC0)
	146	#define DPOT_TOL_RDAC1 (DPOT_REG_TOL \| DPOT_RDAC1)
	147	#define DPOT_TOL_RDAC2 (DPOT_REG_TOL \| DPOT_RDAC2)
	148	#define DPOT_TOL_RDAC3 (DPOT_REG_TOL \| DPOT_RDAC3)
	149	#define DPOT_TOL_RDAC4 (DPOT_REG_TOL \| DPOT_RDAC4)
	150	#define DPOT_TOL_RDAC5 (DPOT_REG_TOL \| DPOT_RDAC5)
	151
	152	/* RDAC-to-EEPROM Interface Commands */
59592d0c MH	153	#define DPOT_ADDR_RDAC (0x0 << 5)
	154	#define DPOT_ADDR_EEPROM (0x1 << 5)
	155	#define DPOT_ADDR_OTP (0x1 << 6)
	156	#define DPOT_ADDR_CMD (0x1 << 7)
	157	#define DPOT_ADDR_OTP_EN (0x1 << 9)
6c536e4c MH	158
	159	#define DPOT_DEC_ALL_6DB (DPOT_ADDR_CMD \| (0x4 << 3))
	160	#define DPOT_INC_ALL_6DB (DPOT_ADDR_CMD \| (0x9 << 3))
	161	#define DPOT_DEC_ALL (DPOT_ADDR_CMD \| (0x6 << 3))
	162	#define DPOT_INC_ALL (DPOT_ADDR_CMD \| (0xB << 3))
	163
	164	#define DPOT_SPI_RDAC 0xB0
	165	#define DPOT_SPI_EEPROM 0x30
	166	#define DPOT_SPI_READ_RDAC 0xA0
	167	#define DPOT_SPI_READ_EEPROM 0x90
	168	#define DPOT_SPI_DEC_ALL_6DB 0x50
	169	#define DPOT_SPI_INC_ALL_6DB 0xD0
	170	#define DPOT_SPI_DEC_ALL 0x70
	171	#define DPOT_SPI_INC_ALL 0xF0
	172
	173	/* AD5291/2/3 use special commands */
	174	#define DPOT_AD5291_RDAC 0x01
	175	#define DPOT_AD5291_READ_RDAC 0x02
a4bd3949 MH	176	#define DPOT_AD5291_STORE_XTPM 0x03
	177	#define DPOT_AD5291_CTRLREG 0x06
	178	#define DPOT_AD5291_UNLOCK_CMD 0x03
6c536e4c	179
a4bd3949 MH	180	/* AD5270/1/2/4 use special commands */
	181	#define DPOT_AD5270_1_2_4_RDAC 0x01
	182	#define DPOT_AD5270_1_2_4_READ_RDAC 0x02
	183	#define DPOT_AD5270_1_2_4_STORE_XTPM 0x03
	184	#define DPOT_AD5270_1_2_4_CTRLREG 0x07
	185	#define DPOT_AD5270_1_2_4_UNLOCK_CMD 0x03
e3ae6847	186
5f400cf4	187	#define DPOT_AD5282_RDAC_AB 0x80
a4bd3949	188
59592d0c	189	#define DPOT_AD5273_FUSE 0x80
5f400cf4 MH	190	#define DPOT_AD5170_2_3_FUSE 0x20
	191	#define DPOT_AD5170_2_3_OW 0x08
	192	#define DPOT_AD5172_3_A0 0x08
	193	#define DPOT_AD5170_2FUSE 0x80
59592d0c	194
6c536e4c MH	195	struct dpot_data;
	196
	197	struct ad_dpot_bus_ops {
	198	int (read_d8) (void client);
	199	int (read_r8d8) (void client, u8 reg);
	200	int (read_r8d16) (void client, u8 reg);
	201	int (write_d8) (void client, u8 val);
	202	int (write_r8d8) (void client, u8 reg, u8 val);
	203	int (write_r8d16) (void client, u8 reg, u16 val);
	204	};
	205
	206	struct ad_dpot_bus_data {
	207	void *client;
	208	const struct ad_dpot_bus_ops *bops;
	209	};
	210
7f3379de MH	211	int ad_dpot_probe(struct device dev, struct ad_dpot_bus_data bdata,
7f3379de MH	212	unsigned long devid, const char *name);
6c536e4c MH	213	int ad_dpot_remove(struct device *dev);
	214
	215	#endif