diff options
| -rw-r--r-- | drivers/iio/dac/ad5446.c | 35 | ||||
| -rw-r--r-- | drivers/iio/dac/ad5446.h | 64 |
2 files changed, 34 insertions, 65 deletions
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index 241665b8183b..7f11c1c89960 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -22,7 +22,40 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> -#include "ad5446.h" +#define MODE_PWRDWN_1k 0x1 +#define MODE_PWRDWN_100k 0x2 +#define MODE_PWRDWN_TRISTATE 0x3 + +/** + * struct ad5446_state - driver instance specific data + * @spi: spi_device + * @chip_info: chip model specific constants, available modes etc + * @reg: supply regulator + * @vref_mv: actual reference voltage used + */ + +struct ad5446_state { + struct device *dev; + const struct ad5446_chip_info *chip_info; + struct regulator *reg; + unsigned short vref_mv; + unsigned cached_val; + unsigned pwr_down_mode; + unsigned pwr_down; +}; + +/** + * struct ad5446_chip_info - chip specific information + * @channel: channel spec for the DAC + * @int_vref_mv: AD5620/40/60: the internal reference voltage + * @write: chip specific helper function to write to the register + */ + +struct ad5446_chip_info { + struct iio_chan_spec channel; + u16 int_vref_mv; + int (*write)(struct ad5446_state *st, unsigned val); +}; static const char * const ad5446_powerdown_modes[] = { "1kohm_to_gnd", "100kohm_to_gnd", "three_state" diff --git a/drivers/iio/dac/ad5446.h b/drivers/iio/dac/ad5446.h deleted file mode 100644 index 6b7a1766c109..000000000000 --- a/drivers/iio/dac/ad5446.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * AD5446 SPI DAC driver - * - * Copyright 2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ -#ifndef IIO_DAC_AD5446_H_ -#define IIO_DAC_AD5446_H_ - -/* DAC Control Bits */ - -#define AD5446_LOAD (0x0 << 14) /* Load and update */ -#define AD5446_SDO_DIS (0x1 << 14) /* Disable SDO */ -#define AD5446_NOP (0x2 << 14) /* No operation */ -#define AD5446_CLK_RISING (0x3 << 14) /* Clock data on rising edge */ - -#define AD5620_LOAD (0x0 << 14) /* Load and update Norm Operation*/ -#define AD5620_PWRDWN_1k (0x1 << 14) /* Power-down: 1kOhm to GND */ -#define AD5620_PWRDWN_100k (0x2 << 14) /* Power-down: 100kOhm to GND */ -#define AD5620_PWRDWN_TRISTATE (0x3 << 14) /* Power-down: Three-state */ - -#define AD5660_LOAD (0x0 << 16) /* Load and update Norm Operation*/ -#define AD5660_PWRDWN_1k (0x1 << 16) /* Power-down: 1kOhm to GND */ -#define AD5660_PWRDWN_100k (0x2 << 16) /* Power-down: 100kOhm to GND */ -#define AD5660_PWRDWN_TRISTATE (0x3 << 16) /* Power-down: Three-state */ - -#define MODE_PWRDWN_1k 0x1 -#define MODE_PWRDWN_100k 0x2 -#define MODE_PWRDWN_TRISTATE 0x3 - -/** - * struct ad5446_state - driver instance specific data - * @spi: spi_device - * @chip_info: chip model specific constants, available modes etc - * @reg: supply regulator - * @vref_mv: actual reference voltage used - */ - -struct ad5446_state { - struct device *dev; - const struct ad5446_chip_info *chip_info; - struct regulator *reg; - unsigned short vref_mv; - unsigned cached_val; - unsigned pwr_down_mode; - unsigned pwr_down; -}; - -/** - * struct ad5446_chip_info - chip specific information - * @channel: channel spec for the DAC - * @int_vref_mv: AD5620/40/60: the internal reference voltage - * @write: chip specific helper function to write to the register - */ - -struct ad5446_chip_info { - struct iio_chan_spec channel; - u16 int_vref_mv; - int (*write)(struct ad5446_state *st, unsigned val); -}; - - -#endif /* IIO_DAC_AD5446_H_ */ |