diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7793.h')
| -rw-r--r-- | drivers/staging/iio/adc/ad7793.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/staging/iio/adc/ad7793.h b/drivers/staging/iio/adc/ad7793.h deleted file mode 100644 index 8fdd450a2cd9..000000000000 --- a/drivers/staging/iio/adc/ad7793.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * AD7792/AD7793 SPI ADC driver - * - * Copyright 2011 Analog Devices Inc. - * - * Licensed under the GPL-2. - */ -#ifndef IIO_ADC_AD7793_H_ -#define IIO_ADC_AD7793_H_ - -/* - * TODO: struct ad7793_platform_data needs to go into include/linux/iio - */ - -/* Registers */ -#define AD7793_REG_COMM 0 /* Communications Register (WO, 8-bit) */ -#define AD7793_REG_STAT 0 /* Status Register (RO, 8-bit) */ -#define AD7793_REG_MODE 1 /* Mode Register (RW, 16-bit */ -#define AD7793_REG_CONF 2 /* Configuration Register (RW, 16-bit) */ -#define AD7793_REG_DATA 3 /* Data Register (RO, 16-/24-bit) */ -#define AD7793_REG_ID 4 /* ID Register (RO, 8-bit) */ -#define AD7793_REG_IO 5 /* IO Register (RO, 8-bit) */ -#define AD7793_REG_OFFSET 6 /* Offset Register (RW, 16-bit - * (AD7792)/24-bit (AD7793)) */ -#define AD7793_REG_FULLSALE 7 /* Full-Scale Register - * (RW, 16-bit (AD7792)/24-bit (AD7793)) */ - -/* Communications Register Bit Designations (AD7793_REG_COMM) */ -#define AD7793_COMM_WEN (1 << 7) /* Write Enable */ -#define AD7793_COMM_WRITE (0 << 6) /* Write Operation */ -#define AD7793_COMM_READ (1 << 6) /* Read Operation */ -#define AD7793_COMM_ADDR(x) (((x) & 0x7) << 3) /* Register Address */ -#define AD7793_COMM_CREAD (1 << 2) /* Continuous Read of Data Register */ - -/* Status Register Bit Designations (AD7793_REG_STAT) */ -#define AD7793_STAT_RDY (1 << 7) /* Ready */ -#define AD7793_STAT_ERR (1 << 6) /* Error (Overrange, Underrange) */ -#define AD7793_STAT_CH3 (1 << 2) /* Channel 3 */ -#define AD7793_STAT_CH2 (1 << 1) /* Channel 2 */ -#define AD7793_STAT_CH1 (1 << 0) /* Channel 1 */ - -/* Mode Register Bit Designations (AD7793_REG_MODE) */ -#define AD7793_MODE_SEL(x) (((x) & 0x7) << 13) /* Operation Mode Select */ -#define AD7793_MODE_SEL_MASK (0x7 << 13) /* Operation Mode Select mask */ -#define AD7793_MODE_CLKSRC(x) (((x) & 0x3) << 6) /* ADC Clock Source Select */ -#define AD7793_MODE_RATE(x) ((x) & 0xF) /* Filter Update Rate Select */ - -#define AD7793_MODE_CONT 0 /* Continuous Conversion Mode */ -#define AD7793_MODE_SINGLE 1 /* Single Conversion Mode */ -#define AD7793_MODE_IDLE 2 /* Idle Mode */ -#define AD7793_MODE_PWRDN 3 /* Power-Down Mode */ -#define AD7793_MODE_CAL_INT_ZERO 4 /* Internal Zero-Scale Calibration */ -#define AD7793_MODE_CAL_INT_FULL 5 /* Internal Full-Scale Calibration */ -#define AD7793_MODE_CAL_SYS_ZERO 6 /* System Zero-Scale Calibration */ -#define AD7793_MODE_CAL_SYS_FULL 7 /* System Full-Scale Calibration */ - -#define AD7793_CLK_INT 0 /* Internal 64 kHz Clock not - * available at the CLK pin */ -#define AD7793_CLK_INT_CO 1 /* Internal 64 kHz Clock available - * at the CLK pin */ -#define AD7793_CLK_EXT 2 /* External 64 kHz Clock */ -#define AD7793_CLK_EXT_DIV2 3 /* External Clock divided by 2 */ - -/* Configuration Register Bit Designations (AD7793_REG_CONF) */ -#define AD7793_CONF_VBIAS(x) (((x) & 0x3) << 14) /* Bias Voltage - * Generator Enable */ -#define AD7793_CONF_BO_EN (1 << 13) /* Burnout Current Enable */ -#define AD7793_CONF_UNIPOLAR (1 << 12) /* Unipolar/Bipolar Enable */ -#define AD7793_CONF_BOOST (1 << 11) /* Boost Enable */ -#define AD7793_CONF_GAIN(x) (((x) & 0x7) << 8) /* Gain Select */ -#define AD7793_CONF_REFSEL (1 << 7) /* INT/EXT Reference Select */ -#define AD7793_CONF_BUF (1 << 4) /* Buffered Mode Enable */ -#define AD7793_CONF_CHAN(x) ((x) & 0xf) /* Channel select */ -#define AD7793_CONF_CHAN_MASK 0xf /* Channel select mask */ - -#define AD7793_CH_AIN1P_AIN1M 0 /* AIN1(+) - AIN1(-) */ -#define AD7793_CH_AIN2P_AIN2M 1 /* AIN2(+) - AIN2(-) */ -#define AD7793_CH_AIN3P_AIN3M 2 /* AIN3(+) - AIN3(-) */ -#define AD7793_CH_AIN1M_AIN1M 3 /* AIN1(-) - AIN1(-) */ -#define AD7793_CH_TEMP 6 /* Temp Sensor */ -#define AD7793_CH_AVDD_MONITOR 7 /* AVDD Monitor */ - -#define AD7795_CH_AIN4P_AIN4M 4 /* AIN4(+) - AIN4(-) */ -#define AD7795_CH_AIN5P_AIN5M 5 /* AIN5(+) - AIN5(-) */ -#define AD7795_CH_AIN6P_AIN6M 6 /* AIN6(+) - AIN6(-) */ -#define AD7795_CH_AIN1M_AIN1M 8 /* AIN1(-) - AIN1(-) */ - -/* ID Register Bit Designations (AD7793_REG_ID) */ -#define AD7792_ID 0xA -#define AD7793_ID 0xB -#define AD7795_ID 0xF -#define AD7793_ID_MASK 0xF - -/* IO (Excitation Current Sources) Register Bit Designations (AD7793_REG_IO) */ -#define AD7793_IO_IEXC1_IOUT1_IEXC2_IOUT2 0 /* IEXC1 connect to IOUT1, - * IEXC2 connect to IOUT2 */ -#define AD7793_IO_IEXC1_IOUT2_IEXC2_IOUT1 1 /* IEXC1 connect to IOUT2, - * IEXC2 connect to IOUT1 */ -#define AD7793_IO_IEXC1_IEXC2_IOUT1 2 /* Both current sources - * IEXC1,2 connect to IOUT1 */ -#define AD7793_IO_IEXC1_IEXC2_IOUT2 3 /* Both current sources - * IEXC1,2 connect to IOUT2 */ - -#define AD7793_IO_IXCEN_10uA (1 << 0) /* Excitation Current 10uA */ -#define AD7793_IO_IXCEN_210uA (2 << 0) /* Excitation Current 210uA */ -#define AD7793_IO_IXCEN_1mA (3 << 0) /* Excitation Current 1mA */ - -struct ad7793_platform_data { - u16 vref_mv; - u16 mode; - u16 conf; - u8 io; -}; - -#endif /* IIO_ADC_AD7793_H_ */ |