ade7753.h

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#ifndef _ADE7753_H
#define _ADE7753_H

#define ADE7753_WAVEFORM   0x01
#define ADE7753_AENERGY    0x02
#define ADE7753_RAENERGY   0x03
#define ADE7753_LAENERGY   0x04
#define ADE7753_VAENERGY   0x05
#define ADE7753_RVAENERGY  0x06
#define ADE7753_LVAENERGY  0x07
#define ADE7753_LVARENERGY 0x08
#define ADE7753_MODE       0x09
#define ADE7753_IRQEN      0x0A
#define ADE7753_STATUS     0x0B
#define ADE7753_RSTSTATUS  0x0C
#define ADE7753_CH1OS      0x0D
#define ADE7753_CH2OS      0x0E
#define ADE7753_GAIN       0x0F
#define ADE7753_PHCAL      0x10
#define ADE7753_APOS       0x11
#define ADE7753_WGAIN      0x12
#define ADE7753_WDIV       0x13
#define ADE7753_CFNUM      0x14
#define ADE7753_CFDEN      0x15
#define ADE7753_IRMS       0x16
#define ADE7753_VRMS       0x17
#define ADE7753_IRMSOS     0x18
#define ADE7753_VRMSOS     0x19
#define ADE7753_VAGAIN     0x1A
#define ADE7753_VADIV      0x1B
#define ADE7753_LINECYC    0x1C
#define ADE7753_ZXTOUT     0x1D
#define ADE7753_SAGCYC     0x1E
#define ADE7753_SAGLVL     0x1F
#define ADE7753_IPKLVL     0x20
#define ADE7753_VPKLVL     0x21
#define ADE7753_IPEAK      0x22
#define ADE7753_RSTIPEAK   0x23
#define ADE7753_VPEAK      0x24
#define ADE7753_RSTVPEAK   0x25
#define ADE7753_TEMP       0x26
#define ADE7753_PERIOD     0x27
#define ADE7753_TMODE      0x3D
#define ADE7753_CHKSUM     0x3E
#define ADE7753_DIEREV     0x3F

#define ADE7753_READ_REG(a)    a
#define ADE7753_WRITE_REG(a) ((a) | 0x80)

#define ADE7753_MAX_TX    4
#define ADE7753_MAX_RX    4
#define ADE7753_STARTUP_DELAY 1

#define ADE7753_SPI_SLOW    (u32)(300 * 1000)
#define ADE7753_SPI_BURST   (u32)(1000 * 1000)
#define ADE7753_SPI_FAST    (u32)(2000 * 1000)

#define DRIVER_NAME     "ade7753"

struct ade7753_state {
    struct spi_device   *us;
    struct mutex        buf_lock;
    u8          tx[ADE7753_MAX_TX] ____cacheline_aligned;
    u8          rx[ADE7753_MAX_RX];
};

#endif