diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7759.c')
| -rw-r--r-- | drivers/staging/iio/meter/ade7759.c | 74 |
1 files changed, 61 insertions, 13 deletions
diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index 944ee34..1691760 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -21,7 +21,55 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include "meter.h" -#include "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 1000 + +#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]; +}; static int ade7759_spi_write_reg_8(struct device *dev, u8 reg_address, @@ -231,49 +279,49 @@ static int ade7759_reset(struct device *dev) } static IIO_DEV_ATTR_AENERGY(ade7759_read_40bit, ADE7759_AENERGY); -static IIO_DEV_ATTR_CFDEN(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_CFDEN(0644, ade7759_read_16bit, ade7759_write_16bit, ADE7759_CFDEN); -static IIO_DEV_ATTR_CFNUM(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_CFNUM(0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_CFNUM); static IIO_DEV_ATTR_CHKSUM(ade7759_read_8bit, ADE7759_CHKSUM); -static IIO_DEV_ATTR_PHCAL(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_PHCAL(0644, ade7759_read_16bit, ade7759_write_16bit, ADE7759_PHCAL); -static IIO_DEV_ATTR_APOS(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_APOS(0644, ade7759_read_16bit, ade7759_write_16bit, ADE7759_APOS); -static IIO_DEV_ATTR_SAGCYC(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_SAGCYC(0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_SAGCYC); -static IIO_DEV_ATTR_SAGLVL(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_SAGLVL(0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_SAGLVL); -static IIO_DEV_ATTR_LINECYC(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_LINECYC(0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_LINECYC); static IIO_DEV_ATTR_LENERGY(ade7759_read_40bit, ADE7759_LENERGY); -static IIO_DEV_ATTR_PGA_GAIN(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_PGA_GAIN(0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_GAIN); -static IIO_DEV_ATTR_ACTIVE_POWER_GAIN(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_ACTIVE_POWER_GAIN(0644, ade7759_read_16bit, ade7759_write_16bit, ADE7759_APGAIN); -static IIO_DEV_ATTR_CH_OFF(1, S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_CH_OFF(1, 0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_CH1OS); -static IIO_DEV_ATTR_CH_OFF(2, S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_CH_OFF(2, 0644, ade7759_read_8bit, ade7759_write_8bit, ADE7759_CH2OS); @@ -410,7 +458,7 @@ static IIO_DEV_ATTR_TEMP_RAW(ade7759_read_8bit); static IIO_CONST_ATTR(in_temp_offset, "70 C"); static IIO_CONST_ATTR(in_temp_scale, "1 C"); -static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO, +static IIO_DEV_ATTR_SAMP_FREQ(0644, ade7759_read_frequency, ade7759_write_frequency); |
