drivers/staging/iio/meter/ade7759.h

   1 #ifndef _ADE7759_H
   2 #define _ADE7759_H
   3
   4 #define ADE7759_WAVEFORM  0x01
   5 #define ADE7759_AENERGY   0x02
   6 #define ADE7759_RSTENERGY 0x03
   7 #define ADE7759_STATUS    0x04
   8 #define ADE7759_RSTSTATUS 0x05
   9 #define ADE7759_MODE      0x06
  10 #define ADE7759_CFDEN     0x07
  11 #define ADE7759_CH1OS     0x08
  12 #define ADE7759_CH2OS     0x09
  13 #define ADE7759_GAIN      0x0A
  14 #define ADE7759_APGAIN    0x0B
  15 #define ADE7759_PHCAL     0x0C
  16 #define ADE7759_APOS      0x0D
  17 #define ADE7759_ZXTOUT    0x0E
  18 #define ADE7759_SAGCYC    0x0F
  19 #define ADE7759_IRQEN     0x10
  20 #define ADE7759_SAGLVL    0x11
  21 #define ADE7759_TEMP      0x12
  22 #define ADE7759_LINECYC   0x13
  23 #define ADE7759_LENERGY   0x14
  24 #define ADE7759_CFNUM     0x15
  25 #define ADE7759_CHKSUM    0x1E
  26 #define ADE7759_DIEREV    0x1F
  27
  28 #define ADE7759_READ_REG(a)    a
  29 #define ADE7759_WRITE_REG(a) ((a) | 0x80)
  30
  31 #define ADE7759_MAX_TX    6
  32 #define ADE7759_MAX_RX    6
  33 #define ADE7759_STARTUP_DELAY 1
  34
  35 #define ADE7759_SPI_SLOW        (u32)(300 * 1000)
  36 #define ADE7759_SPI_BURST       (u32)(1000 * 1000)
  37 #define ADE7759_SPI_FAST        (u32)(2000 * 1000)
  38
  39 #define DRIVER_NAME             "ade7759"
  40
  41 /**
  42  * struct ade7759_state - device instance specific data
  43  * @us:                 actual spi_device
  44  * @buf_lock:           mutex to protect tx and rx
  45  * @tx:                 transmit buffer
  46  * @rx:                 receive buffer
  47  **/
  48 struct ade7759_state {
  49         struct spi_device       *us;
  50         struct mutex            buf_lock;
  51         u8                      tx[ADE7759_MAX_TX] ____cacheline_aligned;
  52         u8                      rx[ADE7759_MAX_RX];
  53 };
  54
  55 #endif