mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 16:45:02 +07:00
fda8d26e61
Based on 1 normalized pattern(s): licensed under the gpl 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 135 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/* 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_ */
|