From 66533b488e17df35f5cd3bc2ebdafdf1444eb187 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Tue, 18 Aug 2009 18:06:22 +0100 Subject: Staging: IIO: lis3l02dq accelerometer core support A later patch in the series will add data ready triggering and ring buffer support. This core patch provides an event interface and sysfs based reading of values. Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/accel/accel.h | 167 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 drivers/staging/iio/accel/accel.h (limited to 'drivers/staging/iio/accel/accel.h') diff --git a/drivers/staging/iio/accel/accel.h b/drivers/staging/iio/accel/accel.h new file mode 100644 index 00000000000..811fa0527a4 --- /dev/null +++ b/drivers/staging/iio/accel/accel.h @@ -0,0 +1,167 @@ + +#include "../sysfs.h" + +/* Accelerometer types of attribute */ + +#define IIO_DEV_ATTR_ACCEL_X_OFFSET(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(accel_x_offset, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_Y_OFFSET(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(accel_y_offset, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_Z_OFFSET(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(accel_z_offset, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_X_GAIN(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(accel_x_gain, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_Y_GAIN(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(accel_y_gain, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_Z_GAIN(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(accel_z_gain, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_X(_show, _addr) \ + IIO_DEVICE_ATTR(accel_x, S_IRUGO, _show, NULL, _addr) + +#define IIO_DEV_ATTR_ACCEL_Y(_show, _addr) \ + IIO_DEVICE_ATTR(accel_y, S_IRUGO, _show, NULL, _addr) + +#define IIO_DEV_ATTR_ACCEL_Z(_show, _addr) \ + IIO_DEVICE_ATTR(accel_z, S_IRUGO, _show, NULL, _addr) + +/* Thresholds are somewhat chip dependent - may need quite a few defs here */ +/* For unified thesholds (shared across all directions */ + +/** + * IIO_DEV_ATTR_ACCEL_THRESH: unified threshold + * @_mode: read/write + * @_show: read detector threshold value + * @_store: write detector theshold value + * @_addr: driver specific data, typically a register address + * + * This one is for cases where as single threshold covers all directions + **/ +#define IIO_DEV_ATTR_ACCEL_THRESH(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(thresh, _mode, _show, _store, _addr) + +/** + * IIO_DEV_ATTR_ACCEL_THRESH_X: independant direction threshold, x axis + * @_mode: readable / writable + * @_show: read x axis detector theshold value + * @_store: write x axis detector threshold value + * @_addr: device driver dependant, typically a register address + **/ +#define IIO_DEV_ATTR_ACCEL_THRESH_X(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(thresh_accel_x, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_THRESH_Y(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(thresh_accel_y, _mode, _show, _store, _addr) + +#define IIO_DEV_ATTR_ACCEL_THRESH_Z(_mode, _show, _store, _addr) \ + IIO_DEVICE_ATTR(thresh_accel_z, _mode, _show, _store, _addr) + + +/** + * IIO_EVENT_ATTR_ACCEL_X_HIGH: threshold event, x acceleration + * @_show: read x acceleration high threshold + * @_store: write x acceleration high threshold + * @_mask: device dependant, typically a bit mask + * @_handler: the iio_handler associated with this attribute + **/ +#define IIO_EVENT_ATTR_ACCEL_X_HIGH(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(accel_x_high, _show, _store, _mask, _handler) + +/** + * IIO_EVENT_ATTR_ACCEL_X_HIGH_SH: threshold event, x accel high, shared handler + * @_evlist: event list used to share the handler + * @_show: attribute read + * @_store: attribute write + * @_mask: driver specific data, typically a bit mask + **/ +#define IIO_EVENT_ATTR_ACCEL_X_HIGH_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_x_high, _evlist, _show, _store, _mask) + +/** + * IIO_EVENT_CODE_ACCEL_X_HIGH - event code for x axis high accel threshold + **/ +#define IIO_EVENT_CODE_ACCEL_X_HIGH IIO_EVENT_CODE_ACCEL_BASE + +#define IIO_EVENT_ATTR_ACCEL_Y_HIGH(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(accel_y_high, _show, _store, _mask, _handler) + +#define IIO_EVENT_ATTR_ACCEL_Y_HIGH_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_y_high, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Y_HIGH (IIO_EVENT_CODE_ACCEL_BASE + 1) + +#define IIO_EVENT_ATTR_ACCEL_Z_HIGH(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(accel_z_high, _show, _store, _mask, _handler) + +#define IIO_EVENT_ATTR_ACCEL_Z_HIGH_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_z_high, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Z_HIGH (IIO_EVENT_CODE_ACCEL_BASE + 2) + +#define IIO_EVENT_ATTR_ACCEL_X_LOW(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(accel_x_low, _show, _store, _mask, _handler) + +#define IIO_EVENT_ATTR_ACCEL_X_LOW_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_x_low, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_X_LOW (IIO_EVENT_CODE_ACCEL_BASE + 3) + +#define IIO_EVENT_ATTR_ACCEL_Y_LOW(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(accel_y_low, _show, _store, _mask, _handler) + +#define IIO_EVENT_ATTR_ACCEL_Y_LOW_SH(_evlist, _show, _store, _mask)\ + IIO_EVENT_ATTR_SH(accel_y_low, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Y_LOW (IIO_EVENT_CODE_ACCEL_BASE + 4) + +#define IIO_EVENT_ATTR_ACCEL_Z_LOW(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(accel_z_low, _show, _store, _mask, _handler) + +#define IIO_EVENT_ATTR_ACCEL_Z_LOW_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_z_low, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Z_LOW (IIO_EVENT_CODE_ACCEL_BASE + 5) + +#define IIO_EVENT_ATTR_FREE_FALL_DETECT(_show, _store, _mask, _handler) \ + IIO_EVENT_ATTR(free_fall, _show, _store, _mask, _handler) + +#define IIO_EVENT_ATTR_FREE_FALL_DETECT_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(free_fall, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_FREE_FALL (IIO_EVENT_CODE_ACCEL_BASE + 6) + + +#define IIO_EVENT_ATTR_ACCEL_X_ROC_HIGH_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_x_roc_high, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_X_ROC_HIGH (IIO_EVENT_CODE_ACCEL_BASE + 10) + +#define IIO_EVENT_ATTR_ACCEL_X_ROC_LOW_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_x_roc_low, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_X_ROC_LOW (IIO_EVENT_CODE_ACCEL_BASE + 11) + +#define IIO_EVENT_ATTR_ACCEL_Y_ROC_HIGH_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_y_roc_high, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Y_ROC_HIGH (IIO_EVENT_CODE_ACCEL_BASE + 12) + +#define IIO_EVENT_ATTR_ACCEL_Y_ROC_LOW_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_y_roc_low, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Y_ROC_LOW (IIO_EVENT_CODE_ACCEL_BASE + 13) + +#define IIO_EVENT_ATTR_ACCEL_Z_ROC_HIGH_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_z_roc_high, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Z_ROC_HIGH (IIO_EVENT_CODE_ACCEL_BASE + 14) + +#define IIO_EVENT_ATTR_ACCEL_Z_ROC_LOW_SH(_evlist, _show, _store, _mask) \ + IIO_EVENT_ATTR_SH(accel_z_roc_low, _evlist, _show, _store, _mask) + +#define IIO_EVENT_CODE_ACCEL_Z_ROC_LOW (IIO_EVENT_CODE_ACCEL_BASE + 15) -- cgit v1.2.3