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@@ -1,64 +0,0 @@
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-/*
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- * AD5446 SPI DAC driver
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- *
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- * Copyright 2010 Analog Devices Inc.
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- *
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- * Licensed under the GPL-2 or later.
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- */
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-#ifndef IIO_DAC_AD5446_H_
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-#define IIO_DAC_AD5446_H_
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-
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-/* DAC Control Bits */
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-
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-#define AD5446_LOAD (0x0 << 14) /* Load and update */
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-#define AD5446_SDO_DIS (0x1 << 14) /* Disable SDO */
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-#define AD5446_NOP (0x2 << 14) /* No operation */
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-#define AD5446_CLK_RISING (0x3 << 14) /* Clock data on rising edge */
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-
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-#define AD5620_LOAD (0x0 << 14) /* Load and update Norm Operation*/
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-#define AD5620_PWRDWN_1k (0x1 << 14) /* Power-down: 1kOhm to GND */
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-#define AD5620_PWRDWN_100k (0x2 << 14) /* Power-down: 100kOhm to GND */
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-#define AD5620_PWRDWN_TRISTATE (0x3 << 14) /* Power-down: Three-state */
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-
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-#define AD5660_LOAD (0x0 << 16) /* Load and update Norm Operation*/
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-#define AD5660_PWRDWN_1k (0x1 << 16) /* Power-down: 1kOhm to GND */
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-#define AD5660_PWRDWN_100k (0x2 << 16) /* Power-down: 100kOhm to GND */
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-#define AD5660_PWRDWN_TRISTATE (0x3 << 16) /* Power-down: Three-state */
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-
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-#define MODE_PWRDWN_1k 0x1
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-#define MODE_PWRDWN_100k 0x2
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-#define MODE_PWRDWN_TRISTATE 0x3
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-
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-/**
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- * struct ad5446_state - driver instance specific data
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- * @spi: spi_device
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- * @chip_info: chip model specific constants, available modes etc
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- * @reg: supply regulator
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- * @vref_mv: actual reference voltage used
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- */
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-
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-struct ad5446_state {
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- struct device *dev;
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- const struct ad5446_chip_info *chip_info;
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- struct regulator *reg;
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- unsigned short vref_mv;
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- unsigned cached_val;
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- unsigned pwr_down_mode;
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- unsigned pwr_down;
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-};
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-
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-/**
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- * struct ad5446_chip_info - chip specific information
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- * @channel: channel spec for the DAC
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- * @int_vref_mv: AD5620/40/60: the internal reference voltage
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- * @write: chip specific helper function to write to the register
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- */
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-
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-struct ad5446_chip_info {
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- struct iio_chan_spec channel;
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- u16 int_vref_mv;
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- int (*write)(struct ad5446_state *st, unsigned val);
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-};
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-
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-
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-#endif /* IIO_DAC_AD5446_H_ */
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