/*
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* AD9833/AD9834/AD9837/AD9838 SPI DDS driver
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*
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* Copyright 2010-2011 Analog Devices Inc.
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*
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* Licensed under the GPL-2.
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*/
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#ifndef IIO_DDS_AD9834_H_
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#define IIO_DDS_AD9834_H_
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/*
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* TODO: struct ad7887_platform_data needs to go into include/linux/iio
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*/
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/**
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* struct ad9834_platform_data - platform specific information
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* @mclk: master clock in Hz
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* @freq0: power up freq0 tuning word in Hz
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* @freq1: power up freq1 tuning word in Hz
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* @phase0: power up phase0 value [0..4095] correlates with 0..2PI
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* @phase1: power up phase1 value [0..4095] correlates with 0..2PI
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* @en_div2: digital output/2 is passed to the SIGN BIT OUT pin
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* @en_signbit_msb_out: the MSB (or MSB/2) of the DAC data is connected to the
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* SIGN BIT OUT pin. en_div2 controls whether it is the MSB
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* or MSB/2 that is output. if en_signbit_msb_out=false,
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* the on-board comparator is connected to SIGN BIT OUT
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*/
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struct ad9834_platform_data {
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unsigned int mclk;
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unsigned int freq0;
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unsigned int freq1;
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unsigned short phase0;
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unsigned short phase1;
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bool en_div2;
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bool en_signbit_msb_out;
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};
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#endif /* IIO_DDS_AD9834_H_ */
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