diff options
Diffstat (limited to 'drivers/staging/iio/sysfs.h')
| -rw-r--r-- | drivers/staging/iio/sysfs.h | 162 |
1 files changed, 63 insertions, 99 deletions
diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h index 6083416..ee91a95 100644 --- a/drivers/staging/iio/sysfs.h +++ b/drivers/staging/iio/sysfs.h @@ -30,27 +30,6 @@ struct iio_event_attr { container_of(_dev_attr, struct iio_event_attr, dev_attr) /** - * struct iio_chrdev_minor_attr - simple attribute to allow reading of chrdev - * minor number - * @dev_attr: underlying device attribute - * @minor: the minor number - */ -struct iio_chrdev_minor_attr { - struct device_attribute dev_attr; - int minor; -}; - -void -__init_iio_chrdev_minor_attr(struct iio_chrdev_minor_attr *minor_attr, - const char *name, - struct module *owner, - int id); - - -#define to_iio_chrdev_minor_attr(_dev_attr) \ - container_of(_dev_attr, struct iio_chrdev_minor_attr, dev_attr); - -/** * struct iio_dev_attr - iio specific device attribute * @dev_attr: underlying device attribute * @address: associated register address @@ -89,11 +68,6 @@ struct iio_const_attr { { .dev_attr = __ATTR(_name, _mode, _show, _store), \ .address = _addr } -#define IIO_ATTR_2(_name, _mode, _show, _store, _addr, _val2) \ - { .dev_attr = __ATTR(_name, _mode, _show, _store), \ - .address = _addr, \ - .val2 = _val2 } - #define IIO_DEVICE_ATTR(_name, _mode, _show, _store, _addr) \ struct iio_dev_attr iio_dev_attr_##_name \ = IIO_ATTR(_name, _mode, _show, _store, _addr) @@ -111,6 +85,10 @@ struct iio_const_attr { = { .string = _string, \ .dev_attr = __ATTR(_name, S_IRUGO, iio_read_const_attr, NULL)} +#define IIO_CONST_ATTR_NAMED(_vname, _name, _string) \ + struct iio_const_attr iio_const_attr_##_vname \ + = { .string = _string, \ + .dev_attr = __ATTR(_name, S_IRUGO, iio_read_const_attr, NULL)} /* Generic attributes of onetype or another */ /** @@ -130,6 +108,13 @@ struct iio_const_attr { IIO_DEVICE_ATTR(name, S_IRUGO, _show, NULL, 0) /** + * IIO_CONST_ATTR_NAME - constant identifier + * @_string: the name + **/ +#define IIO_CONST_ATTR_NAME(_string) \ + IIO_CONST_ATTR(name, _string) + +/** * IIO_DEV_ATTR_SAMP_FREQ - sets any internal clock frequency * @_mode: sysfs file mode/permissions * @_show: output method for the attribute @@ -156,48 +141,10 @@ struct iio_const_attr { * * Constant version **/ -/* Deprecated */ -#define IIO_CONST_ATTR_AVAIL_SAMP_FREQ(_string) \ - IIO_CONST_ATTR(available_sampling_frequency, _string) - #define IIO_CONST_ATTR_SAMP_FREQ_AVAIL(_string) \ IIO_CONST_ATTR(sampling_frequency_available, _string) /** - * IIO_DEV_ATTR_SCAN_MODE - select a scan mode - * @_mode: sysfs file mode/permissions - * @_show: output method for the attribute - * @_store: input method for the attribute - * - * This is used when only certain combinations of inputs may be read in one - * scan. - **/ -#define IIO_DEV_ATTR_SCAN_MODE(_mode, _show, _store) \ - IIO_DEVICE_ATTR(scan_mode, _mode, _show, _store, 0) - -/** - * IIO_DEV_ATTR_AVAIL_SCAN_MODES - list available scan modes - * @_show: output method for the attribute - **/ -#define IIO_DEV_ATTR_AVAIL_SCAN_MODES(_show) \ - IIO_DEVICE_ATTR(available_scan_modes, S_IRUGO, _show, NULL, 0) - -/** - * IIO_DEV_ATTR_SCAN - result of scan of multiple channels - * @_show: output method for the attribute - **/ -#define IIO_DEV_ATTR_SCAN(_show) \ - IIO_DEVICE_ATTR(scan, S_IRUGO, _show, NULL, 0); - -/** - * IIO_DEV_ATTR_INPUT - direct read of a single input channel - * @_number: input channel number - * @_show: output method for the attribute - **/ -#define IIO_DEV_ATTR_INPUT(_number, _show) \ - IIO_DEVICE_ATTR(in##_number, S_IRUGO, _show, NULL, _number) - -/** * IIO_DEV_ATTR_SW_RING_ENABLE - enable software ring buffer * @_show: output method for the attribute * @_store: input method for the attribute @@ -218,32 +165,15 @@ struct iio_const_attr { #define IIO_DEV_ATTR_HW_RING_ENABLE(_show, _store) \ IIO_DEVICE_ATTR(hw_ring_enable, S_IRUGO | S_IWUSR, _show, _store, 0) -/** - * IIO_DEV_ATTR_BPSE - set number of bits per scan element - * @_mode: sysfs file mode/permissions - * @_show: output method for the attribute - * @_store: input method for the attribute - **/ -#define IIO_DEV_ATTR_BPSE(_mode, _show, _store) \ - IIO_DEVICE_ATTR(bpse, _mode, _show, _store, 0) - -/** - * IIO_DEV_ATTR_BPSE_AVAILABLE - number of bits per scan element supported - * @_show: output method for the attribute - **/ -#define IIO_DEV_ATTR_BPSE_AVAILABLE(_show) \ - IIO_DEVICE_ATTR(bpse_available, S_IRUGO, _show, NULL, 0) - -/** - * IIO_DEV_ATTR_TEMP - many sensors have auxiliary temperature sensors - * @_show: output method for the attribute - **/ -#define IIO_DEV_ATTR_TEMP(_show) \ - IIO_DEVICE_ATTR(temp, S_IRUGO, _show, NULL, 0) - #define IIO_DEV_ATTR_TEMP_RAW(_show) \ IIO_DEVICE_ATTR(temp_raw, S_IRUGO, _show, NULL, 0) +#define IIO_CONST_ATTR_TEMP_OFFSET(_string) \ + IIO_CONST_ATTR(temp_offset, _string) + +#define IIO_CONST_ATTR_TEMP_SCALE(_string) \ + IIO_CONST_ATTR(temp_scale, _string) + /** * IIO_EVENT_SH - generic shared event handler * @_name: event name @@ -323,15 +253,49 @@ struct iio_const_attr { #define IIO_EVENT_ATTR_DATA_RDY(_show, _store, _mask, _handler) \ IIO_EVENT_ATTR(data_rdy, _show, _store, _mask, _handler) -#define IIO_EVENT_CODE_DATA_RDY 100 -#define IIO_EVENT_CODE_RING_BASE 200 -#define IIO_EVENT_CODE_ACCEL_BASE 300 -#define IIO_EVENT_CODE_GYRO_BASE 400 -#define IIO_EVENT_CODE_ADC_BASE 500 -#define IIO_EVENT_CODE_MISC_BASE 600 -#define IIO_EVENT_CODE_LIGHT_BASE 700 - -#define IIO_EVENT_CODE_DEVICE_SPECIFIC 1000 +#define IIO_EV_CLASS_BUFFER 0 +#define IIO_EV_CLASS_IN 1 +#define IIO_EV_CLASS_ACCEL 2 +#define IIO_EV_CLASS_GYRO 3 +#define IIO_EV_CLASS_MAGN 4 +#define IIO_EV_CLASS_LIGHT 5 +#define IIO_EV_CLASS_PROXIMITY 6 + +#define IIO_EV_MOD_X 0 +#define IIO_EV_MOD_Y 1 +#define IIO_EV_MOD_Z 2 +#define IIO_EV_MOD_X_AND_Y 3 +#define IIO_EV_MOD_X_ANX_Z 4 +#define IIO_EV_MOD_Y_AND_Z 5 +#define IIO_EV_MOD_X_AND_Y_AND_Z 6 +#define IIO_EV_MOD_X_OR_Y 7 +#define IIO_EV_MOD_X_OR_Z 8 +#define IIO_EV_MOD_Y_OR_Z 9 +#define IIO_EV_MOD_X_OR_Y_OR_Z 10 + +#define IIO_EV_TYPE_THRESH 0 +#define IIO_EV_TYPE_MAG 1 +#define IIO_EV_TYPE_ROC 2 + +#define IIO_EV_DIR_EITHER 0 +#define IIO_EV_DIR_RISING 1 +#define IIO_EV_DIR_FALLING 2 + +#define IIO_EVENT_CODE(channelclass, orient_bit, number, \ + modifier, type, direction) \ + (channelclass | (orient_bit << 8) | ((number) << 9) | \ + ((modifier) << 13) | ((type) << 16) | ((direction) << 24)) + +#define IIO_MOD_EVENT_CODE(channelclass, number, modifier, \ + type, direction) \ + IIO_EVENT_CODE(channelclass, 1, number, modifier, type, direction) + +#define IIO_UNMOD_EVENT_CODE(channelclass, number, type, direction) \ + IIO_EVENT_CODE(channelclass, 0, number, 0, type, direction) + + +#define IIO_BUFFER_EVENT_CODE(code) \ + (IIO_EV_CLASS_BUFFER | (code << 8)) /** * IIO_EVENT_ATTR_RING_50_FULL - ring buffer event to indicate 50% full @@ -363,8 +327,8 @@ struct iio_const_attr { #define IIO_EVENT_ATTR_RING_75_FULL_SH(_evlist, _show, _store, _mask) \ IIO_EVENT_ATTR_SH(ring_75_full, _evlist, _show, _store, _mask) -#define IIO_EVENT_CODE_RING_50_FULL IIO_EVENT_CODE_RING_BASE -#define IIO_EVENT_CODE_RING_75_FULL (IIO_EVENT_CODE_RING_BASE + 1) -#define IIO_EVENT_CODE_RING_100_FULL (IIO_EVENT_CODE_RING_BASE + 2) +#define IIO_EVENT_CODE_RING_50_FULL IIO_BUFFER_EVENT_CODE(0) +#define IIO_EVENT_CODE_RING_75_FULL IIO_BUFFER_EVENT_CODE(1) +#define IIO_EVENT_CODE_RING_100_FULL IIO_BUFFER_EVENT_CODE(2) #endif /* _INDUSTRIAL_IO_SYSFS_H_ */ |
