threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
|
|
* AD5624R SPI DAC driver
|
|
*
|
|
* Copyright 2010-2011 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2.
|
|
*/
|
|
#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_ */
|