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-rw-r--r--drivers/staging/iio/adc/ad7887.h99
1 files changed, 0 insertions, 99 deletions
diff --git a/drivers/staging/iio/adc/ad7887.h b/drivers/staging/iio/adc/ad7887.h
deleted file mode 100644
index 2e09e54fc9c5..000000000000
--- a/drivers/staging/iio/adc/ad7887.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * AD7887 SPI ADC driver
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-#ifndef IIO_ADC_AD7887_H_
-#define IIO_ADC_AD7887_H_
-
-#define AD7887_REF_DIS (1 << 5) /* on-chip reference disable */
-#define AD7887_DUAL (1 << 4) /* dual-channel mode */
-#define AD7887_CH_AIN1 (1 << 3) /* convert on channel 1, DUAL=1 */
-#define AD7887_CH_AIN0 (0 << 3) /* convert on channel 0, DUAL=0,1 */
-#define AD7887_PM_MODE1 (0) /* CS based shutdown */
-#define AD7887_PM_MODE2 (1) /* full on */
-#define AD7887_PM_MODE3 (2) /* auto shutdown after conversion */
-#define AD7887_PM_MODE4 (3) /* standby mode */
-
-enum ad7887_channels {
- AD7887_CH0,
- AD7887_CH0_CH1,
- AD7887_CH1,
-};
-
-#define RES_MASK(bits) ((1 << (bits)) - 1) /* TODO: move this into a common header */
-
-/*
- * TODO: struct ad7887_platform_data needs to go into include/linux/iio
- */
-
-struct ad7887_platform_data {
- /* External Vref voltage applied */
- u16 vref_mv;
- /*
- * AD7887:
- * In single channel mode en_dual = flase, AIN1/Vref pins assumes its
- * Vref function. In dual channel mode en_dual = true, AIN1 becomes the
- * second input channel, and Vref is internally connected to Vdd.
- */
- bool en_dual;
- /*
- * AD7887:
- * use_onchip_ref = true, the Vref is internally connected to the 2.500V
- * Voltage reference. If use_onchip_ref = false, the reference voltage
- * is supplied by AIN1/Vref
- */
- bool use_onchip_ref;
-};
-
-/**
- * struct ad7887_chip_info - chip specifc information
- * @int_vref_mv: the internal reference voltage
- * @channel: channel specification
- */
-
-struct ad7887_chip_info {
- u16 int_vref_mv;
- struct iio_chan_spec channel[3];
-};
-
-struct ad7887_state {
- struct spi_device *spi;
- const struct ad7887_chip_info *chip_info;
- struct regulator *reg;
- u16 int_vref_mv;
- struct spi_transfer xfer[4];
- struct spi_message msg[3];
- struct spi_message *ring_msg;
- unsigned char tx_cmd_buf[8];
-
- /*
- * DMA (thus cache coherency maintenance) requires the
- * transfer buffers to live in their own cache lines.
- */
-
- unsigned char data[4] ____cacheline_aligned;
-};
-
-enum ad7887_supported_device_ids {
- ID_AD7887
-};
-
-#ifdef CONFIG_IIO_BUFFER
-int ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev);
-void ad7887_ring_cleanup(struct iio_dev *indio_dev);
-#else /* CONFIG_IIO_BUFFER */
-
-static inline int
-ad7887_register_ring_funcs_and_init(struct iio_dev *indio_dev)
-{
- return 0;
-}
-
-static inline void ad7887_ring_cleanup(struct iio_dev *indio_dev)
-{
-}
-#endif /* CONFIG_IIO_BUFFER */
-#endif /* IIO_ADC_AD7887_H_ */