Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / iio / meter / ade7759.h

diff --git a/kernel/drivers/staging/iio/meter/ade7759.h b/kernel/drivers/staging/iio/meter/ade7759.h
new file mode 100644 (file)
index 0000000..f9ff1f8
--- /dev/null
+++ b/kernel/drivers/staging/iio/meter/ade7759.h
@@ -0,0 +1,53 @@
+#ifndef _ADE7759_H
+#define _ADE7759_H
+
+#define ADE7759_WAVEFORM  0x01
+#define ADE7759_AENERGY   0x02
+#define ADE7759_RSTENERGY 0x03
+#define ADE7759_STATUS    0x04
+#define ADE7759_RSTSTATUS 0x05
+#define ADE7759_MODE      0x06
+#define ADE7759_CFDEN     0x07
+#define ADE7759_CH1OS     0x08
+#define ADE7759_CH2OS     0x09
+#define ADE7759_GAIN      0x0A
+#define ADE7759_APGAIN    0x0B
+#define ADE7759_PHCAL     0x0C
+#define ADE7759_APOS      0x0D
+#define ADE7759_ZXTOUT    0x0E
+#define ADE7759_SAGCYC    0x0F
+#define ADE7759_IRQEN     0x10
+#define ADE7759_SAGLVL    0x11
+#define ADE7759_TEMP      0x12
+#define ADE7759_LINECYC   0x13
+#define ADE7759_LENERGY   0x14
+#define ADE7759_CFNUM     0x15
+#define ADE7759_CHKSUM    0x1E
+#define ADE7759_DIEREV    0x1F
+
+#define ADE7759_READ_REG(a)    a
+#define ADE7759_WRITE_REG(a) ((a) | 0x80)
+
+#define ADE7759_MAX_TX    6
+#define ADE7759_MAX_RX    6
+#define ADE7759_STARTUP_DELAY 1
+
+#define ADE7759_SPI_SLOW       (u32)(300 * 1000)
+#define ADE7759_SPI_BURST      (u32)(1000 * 1000)
+#define ADE7759_SPI_FAST       (u32)(2000 * 1000)
+
+/**
+ * struct ade7759_state - device instance specific data
+ * @us:                        actual spi_device
+ * @buf_lock:          mutex to protect tx and rx
+ * @tx:                        transmit buffer
+ * @rx:                        receive buffer
+ **/
+struct ade7759_state {
+       struct spi_device       *us;
+       struct mutex            buf_lock;
+       u8                      tx[ADE7759_MAX_TX] ____cacheline_aligned;
+       u8                      rx[ADE7759_MAX_RX];
+};
+
+#endif