[mirror_ubuntu-eoan-kernel.git] / drivers / iio / dac / ad5624r.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * AD5624R SPI DAC driver
 *
 * Copyright 2010-2011 Analog Devices Inc.
 */
#ifndef SPI_AD5624R_H_
#define SPI_AD5624R_H_

#define AD5624R_DAC_CHANNELS			4

#define AD5624R_ADDR_DAC0			0x0
#define AD5624R_ADDR_DAC1			0x1
#define AD5624R_ADDR_DAC2			0x2
#define AD5624R_ADDR_DAC3			0x3
#define AD5624R_ADDR_ALL_DAC			0x7

#define AD5624R_CMD_WRITE_INPUT_N		0x0
#define AD5624R_CMD_UPDATE_DAC_N		0x1
#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_ALL	0x2
#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_N	0x3
#define AD5624R_CMD_POWERDOWN_DAC		0x4
#define AD5624R_CMD_RESET			0x5
#define AD5624R_CMD_LDAC_SETUP			0x6
#define AD5624R_CMD_INTERNAL_REFER_SETUP	0x7

#define AD5624R_LDAC_PWRDN_NONE			0x0
#define AD5624R_LDAC_PWRDN_1K			0x1
#define AD5624R_LDAC_PWRDN_100K			0x2
#define AD5624R_LDAC_PWRDN_3STATE		0x3

/**
 * struct ad5624r_chip_info - chip specific information
 * @channels:		channel spec for the DAC
 * @int_vref_mv:	AD5620/40/60: the internal reference voltage
 */

struct ad5624r_chip_info {
	const struct iio_chan_spec	*channels;
	u16				int_vref_mv;
};

/**
 * struct ad5446_state - driver instance specific data
 * @indio_dev:		the industrial I/O device
 * @us:			spi_device
 * @chip_info:		chip model specific constants, available modes etc
 * @reg:		supply regulator
 * @vref_mv:		actual reference voltage used
 * @pwr_down_mask	power down mask
 * @pwr_down_mode	current power down mode
 */

struct ad5624r_state {
	struct spi_device		*us;
	const struct ad5624r_chip_info	*chip_info;
	struct regulator		*reg;
	unsigned short			vref_mv;
	unsigned			pwr_down_mask;
	unsigned			pwr_down_mode;
};

/**
 * ad5624r_supported_device_ids:
 * The AD5624/44/64 parts are available in different
 * fixed internal reference voltage options.
 */

enum ad5624r_supported_device_ids {
	ID_AD5624R3,
	ID_AD5644R3,
	ID_AD5664R3,
	ID_AD5624R5,
	ID_AD5644R5,
	ID_AD5664R5,
};

#endif /* SPI_AD5624R_H_ */
Commit	Line	Data
fda8d26e	1	/* SPDX-License-Identifier: GPL-2.0-only */
14f88f1b MH	2	/*
	3	* AD5624R SPI DAC driver
	4	*
	5	* Copyright 2010-2011 Analog Devices Inc.
14f88f1b	6	*/
6790e29f BS	7	#ifndef SPI_AD5624R_H_
	8	#define SPI_AD5624R_H_
	9
14f88f1b	10	#define AD5624R_DAC_CHANNELS 4
6790e29f	11
14f88f1b MH	12	#define AD5624R_ADDR_DAC0 0x0
	13	#define AD5624R_ADDR_DAC1 0x1
	14	#define AD5624R_ADDR_DAC2 0x2
	15	#define AD5624R_ADDR_DAC3 0x3
	16	#define AD5624R_ADDR_ALL_DAC 0x7
6790e29f	17
14f88f1b MH	18	#define AD5624R_CMD_WRITE_INPUT_N 0x0
	19	#define AD5624R_CMD_UPDATE_DAC_N 0x1
	20	#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_ALL 0x2
	21	#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_N 0x3
	22	#define AD5624R_CMD_POWERDOWN_DAC 0x4
	23	#define AD5624R_CMD_RESET 0x5
	24	#define AD5624R_CMD_LDAC_SETUP 0x6
	25	#define AD5624R_CMD_INTERNAL_REFER_SETUP 0x7
6790e29f	26
14f88f1b MH	27	#define AD5624R_LDAC_PWRDN_NONE 0x0
	28	#define AD5624R_LDAC_PWRDN_1K 0x1
	29	#define AD5624R_LDAC_PWRDN_100K 0x2
	30	#define AD5624R_LDAC_PWRDN_3STATE 0x3
	31
	32	/**
	33	* struct ad5624r_chip_info - chip specific information
275de9f7	34	* @channels: channel spec for the DAC
14f88f1b MH	35	* @int_vref_mv: AD5620/40/60: the internal reference voltage
	36	*/
	37
	38	struct ad5624r_chip_info {
275de9f7	39	const struct iio_chan_spec *channels;
14f88f1b MH	40	u16 int_vref_mv;
	41	};
	42
	43	/**
	44	* struct ad5446_state - driver instance specific data
	45	* @indio_dev: the industrial I/O device
	46	* @us: spi_device
	47	* @chip_info: chip model specific constants, available modes etc
	48	* @reg: supply regulator
	49	* @vref_mv: actual reference voltage used
	50	* @pwr_down_mask power down mask
	51	* @pwr_down_mode current power down mode
	52	*/
	53
	54	struct ad5624r_state {
14f88f1b MH	55	struct spi_device *us;
	56	const struct ad5624r_chip_info *chip_info;
	57	struct regulator *reg;
	58	unsigned short vref_mv;
	59	unsigned pwr_down_mask;
	60	unsigned pwr_down_mode;
	61	};
	62
	63	/**
	64	* ad5624r_supported_device_ids:
	65	* The AD5624/44/64 parts are available in different
	66	* fixed internal reference voltage options.
	67	*/
	68
	69	enum ad5624r_supported_device_ids {
	70	ID_AD5624R3,
	71	ID_AD5644R3,
	72	ID_AD5664R3,
	73	ID_AD5624R5,
	74	ID_AD5644R5,
	75	ID_AD5664R5,
	76	};
	77
	78	#endif /* SPI_AD5624R_H_ */