cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ad5624r.h (1940B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * AD5624R SPI DAC driver
      4 *
      5 * Copyright 2010-2011 Analog Devices Inc.
      6 */
      7#ifndef SPI_AD5624R_H_
      8#define SPI_AD5624R_H_
      9
     10#define AD5624R_DAC_CHANNELS			4
     11
     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
     17
     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
     26
     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
     34 * @channels:		channel spec for the DAC
     35 * @int_vref_mv:	AD5620/40/60: the internal reference voltage
     36 */
     37
     38struct ad5624r_chip_info {
     39	const struct iio_chan_spec	*channels;
     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
     54struct ad5624r_state {
     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
     69enum 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_ */