drivers/staging/iio/meter/ade7758.h

   1 #ifndef _ADE7758_H
   2 #define _ADE7758_H
   3
   4 #define ADE7758_AWATTHR   0x01
   5 #define ADE7758_BWATTHR   0x02
   6 #define ADE7758_CWATTHR   0x03
   7 #define ADE7758_AVARHR    0x04
   8 #define ADE7758_BVARHR    0x05
   9 #define ADE7758_CVARHR    0x06
  10 #define ADE7758_AVAHR     0x07
  11 #define ADE7758_BVAHR     0x08
  12 #define ADE7758_CVAHR     0x09
  13 #define ADE7758_AIRMS     0x0A
  14 #define ADE7758_BIRMS     0x0B
  15 #define ADE7758_CIRMS     0x0C
  16 #define ADE7758_AVRMS     0x0D
  17 #define ADE7758_BVRMS     0x0E
  18 #define ADE7758_CVRMS     0x0F
  19 #define ADE7758_FREQ      0x10
  20 #define ADE7758_TEMP      0x11
  21 #define ADE7758_WFORM     0x12
  22 #define ADE7758_OPMODE    0x13
  23 #define ADE7758_MMODE     0x14
  24 #define ADE7758_WAVMODE   0x15
  25 #define ADE7758_COMPMODE  0x16
  26 #define ADE7758_LCYCMODE  0x17
  27 #define ADE7758_MASK      0x18
  28 #define ADE7758_STATUS    0x19
  29 #define ADE7758_RSTATUS   0x1A
  30 #define ADE7758_ZXTOUT    0x1B
  31 #define ADE7758_LINECYC   0x1C
  32 #define ADE7758_SAGCYC    0x1D
  33 #define ADE7758_SAGLVL    0x1E
  34 #define ADE7758_VPINTLVL  0x1F
  35 #define ADE7758_IPINTLVL  0x20
  36 #define ADE7758_VPEAK     0x21
  37 #define ADE7758_IPEAK     0x22
  38 #define ADE7758_GAIN      0x23
  39 #define ADE7758_AVRMSGAIN 0x24
  40 #define ADE7758_BVRMSGAIN 0x25
  41 #define ADE7758_CVRMSGAIN 0x26
  42 #define ADE7758_AIGAIN    0x27
  43 #define ADE7758_BIGAIN    0x28
  44 #define ADE7758_CIGAIN    0x29
  45 #define ADE7758_AWG       0x2A
  46 #define ADE7758_BWG       0x2B
  47 #define ADE7758_CWG       0x2C
  48 #define ADE7758_AVARG     0x2D
  49 #define ADE7758_BVARG     0x2E
  50 #define ADE7758_CVARG     0x2F
  51 #define ADE7758_AVAG      0x30
  52 #define ADE7758_BVAG      0x31
  53 #define ADE7758_CVAG      0x32
  54 #define ADE7758_AVRMSOS   0x33
  55 #define ADE7758_BVRMSOS   0x34
  56 #define ADE7758_CVRMSOS   0x35
  57 #define ADE7758_AIRMSOS   0x36
  58 #define ADE7758_BIRMSOS   0x37
  59 #define ADE7758_CIRMSOS   0x38
  60 #define ADE7758_AWAITOS   0x39
  61 #define ADE7758_BWAITOS   0x3A
  62 #define ADE7758_CWAITOS   0x3B
  63 #define ADE7758_AVAROS    0x3C
  64 #define ADE7758_BVAROS    0x3D
  65 #define ADE7758_CVAROS    0x3E
  66 #define ADE7758_APHCAL    0x3F
  67 #define ADE7758_BPHCAL    0x40
  68 #define ADE7758_CPHCAL    0x41
  69 #define ADE7758_WDIV      0x42
  70 #define ADE7758_VADIV     0x44
  71 #define ADE7758_VARDIV    0x43
  72 #define ADE7758_APCFNUM   0x45
  73 #define ADE7758_APCFDEN   0x46
  74 #define ADE7758_VARCFNUM  0x47
  75 #define ADE7758_VARCFDEN  0x48
  76 #define ADE7758_CHKSUM    0x7E
  77 #define ADE7758_VERSION   0x7F
  78
  79 #define ADE7758_READ_REG(a)    a
  80 #define ADE7758_WRITE_REG(a) ((a) | 0x80)
  81
  82 #define ADE7758_MAX_TX    8
  83 #define ADE7758_MAX_RX    4
  84 #define ADE7758_STARTUP_DELAY 1
  85
  86 #define ADE7758_SPI_SLOW        (u32)(300 * 1000)
  87 #define ADE7758_SPI_BURST       (u32)(1000 * 1000)
  88 #define ADE7758_SPI_FAST        (u32)(2000 * 1000)
  89
  90 #define DRIVER_NAME             "ade7758"
  91
  92 /**
  93  * struct ade7758_state - device instance specific data
  94  * @us:                 actual spi_device
  95  * @work_trigger_to_ring: bh for triggered event handling
  96  * @inter:              used to check if new interrupt has been triggered
  97  * @last_timestamp:     passing timestamp from th to bh of interrupt handler
  98  * @indio_dev:          industrial I/O device structure
  99  * @trig:               data ready trigger registered with iio
 100  * @tx:                 transmit buffer
 101  * @rx:                 receive buffer
 102  * @buf_lock:           mutex to protect tx and rx
 103  **/
 104 struct ade7758_state {
 105         struct spi_device               *us;
 106         struct work_struct              work_trigger_to_ring;
 107         s64                             last_timestamp;
 108         struct iio_dev                  *indio_dev;
 109         struct iio_trigger              *trig;
 110         u8                              *tx;
 111         u8                              *rx;
 112         struct mutex                    buf_lock;
 113 };
 114 #ifdef CONFIG_IIO_RING_BUFFER
 115 /* At the moment triggers are only used for ring buffer
 116  * filling. This may change!
 117  */
 118
 119 enum ade7758_scan {
 120         ADE7758_SCAN_WFORM,
 121 };
 122
 123 void ade7758_remove_trigger(struct iio_dev *indio_dev);
 124 int ade7758_probe_trigger(struct iio_dev *indio_dev);
 125
 126 ssize_t ade7758_read_data_from_ring(struct device *dev,
 127                 struct device_attribute *attr,
 128                 char *buf);
 129
 130
 131 int ade7758_configure_ring(struct iio_dev *indio_dev);
 132 void ade7758_unconfigure_ring(struct iio_dev *indio_dev);
 133
 134 int ade7758_initialize_ring(struct iio_ring_buffer *ring);
 135 void ade7758_uninitialize_ring(struct iio_ring_buffer *ring);
 136 int ade7758_set_irq(struct device *dev, bool enable);
 137 #else /* CONFIG_IIO_RING_BUFFER */
 138
 139 static inline void ade7758_remove_trigger(struct iio_dev *indio_dev)
 140 {
 141 }
 142 static inline int ade7758_probe_trigger(struct iio_dev *indio_dev)
 143 {
 144         return 0;
 145 }
 146
 147 static inline ssize_t
 148 ade7758_read_data_from_ring(struct device *dev,
 149                 struct device_attribute *attr,
 150                 char *buf)
 151 {
 152         return 0;
 153 }
 154
 155 static int ade7758_configure_ring(struct iio_dev *indio_dev)
 156 {
 157         return 0;
 158 }
 159 static inline void ade7758_unconfigure_ring(struct iio_dev *indio_dev)
 160 {
 161 }
 162 static inline int ade7758_initialize_ring(struct iio_ring_buffer *ring)
 163 {
 164         return 0;
 165 }
 166 static inline void ade7758_uninitialize_ring(struct iio_ring_buffer *ring)
 167 {
 168 }
 169 #endif /* CONFIG_IIO_RING_BUFFER */
 170
 171 #endif