mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-07 11:56:39 +07:00
dbdc025bb2
The IIO DAC drivers are in a reasonably good shape. They all make use of channel spec and non of them provides non-documented sysfs attributes. Code style should be OK as well, both checkpatch and coccicheck only report trivial issues. So lets move the whole folder out of staging. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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_ */
|