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