diff options
Diffstat (limited to 'drivers/staging/iio/sysfs.h')
| -rw-r--r-- | drivers/staging/iio/sysfs.h | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h deleted file mode 100644 index ee91a95a8b9..00000000000 --- a/drivers/staging/iio/sysfs.h +++ /dev/null @@ -1,334 +0,0 @@ -/* The industrial I/O core - * - *Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * General attributes - */ - -#ifndef _INDUSTRIAL_IO_SYSFS_H_ -#define _INDUSTRIAL_IO_SYSFS_H_ - -#include "iio.h" - -/** - * struct iio_event_attr - event control attribute - * @dev_attr: underlying device attribute - * @mask: mask for the event when detecting - * @listel: list header to allow addition to list of event handlers -*/ -struct iio_event_attr { - struct device_attribute dev_attr; - int mask; - struct iio_event_handler_list *listel; -}; - -#define to_iio_event_attr(_dev_attr) \ - container_of(_dev_attr, struct iio_event_attr, dev_attr) - -/** - * struct iio_dev_attr - iio specific device attribute - * @dev_attr: underlying device attribute - * @address: associated register address - * @val2: secondary attribute value - */ -struct iio_dev_attr { - struct device_attribute dev_attr; - int address; - int val2; -}; - -#define to_iio_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct iio_dev_attr, dev_attr) - -ssize_t iio_read_const_attr(struct device *dev, - struct device_attribute *attr, - char *len); - -/** - * struct iio_const_attr - constant device specific attribute - * often used for things like available modes - * @string: attribute string - * @dev_attr: underlying device attribute - */ -struct iio_const_attr { - const char *string; - struct device_attribute dev_attr; -}; - -#define to_iio_const_attr(_dev_attr) \ - container_of(_dev_attr, struct iio_const_attr, dev_attr) - -/* Some attributes will be hard coded (device dependent) and not require an - address, in these cases pass a negative */ -#define IIO_ATTR(_name, _mode, _show, _store, _addr) \ - { .dev_attr = __ATTR(_name, _mode, _show, _store), \ - .address = _addr } - -#define IIO_DEVICE_ATTR(_name, _mode, _show, _store, _addr) \ - struct iio_dev_attr iio_dev_attr_##_name \ - = IIO_ATTR(_name, _mode, _show, _store, _addr) - -#define IIO_DEVICE_ATTR_NAMED(_vname, _name, _mode, _show, _store, _addr) \ - struct iio_dev_attr iio_dev_attr_##_vname \ - = IIO_ATTR(_name, _mode, _show, _store, _addr) - -#define IIO_DEVICE_ATTR_2(_name, _mode, _show, _store, _addr, _val2) \ - struct iio_dev_attr iio_dev_attr_##_name \ - = IIO_ATTR_2(_name, _mode, _show, _store, _addr, _val2) - -#define IIO_CONST_ATTR(_name, _string) \ - struct iio_const_attr iio_const_attr_##_name \ - = { .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 */ - -/** - * IIO_DEV_ATTR_REV - revision number for the device - * @_show: output method for the attribute - * - * Very much device dependent. - **/ -#define IIO_DEV_ATTR_REV(_show) \ - IIO_DEVICE_ATTR(revision, S_IRUGO, _show, NULL, 0) - -/** - * IIO_DEV_ATTR_NAME - chip type dependent identifier - * @_show: output method for the attribute - **/ -#define IIO_DEV_ATTR_NAME(_show) \ - 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 - * @_store: input method for the attribute - **/ -#define IIO_DEV_ATTR_SAMP_FREQ(_mode, _show, _store) \ - IIO_DEVICE_ATTR(sampling_frequency, _mode, _show, _store, 0) - -/** - * IIO_DEV_ATTR_AVAIL_SAMP_FREQ - list available sampling frequencies - * @_show: output method for the attribute - * - * May be mode dependent on some devices - **/ -/* Deprecated */ -#define IIO_DEV_ATTR_AVAIL_SAMP_FREQ(_show) \ - IIO_DEVICE_ATTR(available_sampling_frequency, S_IRUGO, _show, NULL, 0) - -#define IIO_DEV_ATTR_SAMP_FREQ_AVAIL(_show) \ - IIO_DEVICE_ATTR(sampling_frequency_available, S_IRUGO, _show, NULL, 0) -/** - * IIO_CONST_ATTR_AVAIL_SAMP_FREQ - list available sampling frequencies - * @_string: frequency string for the attribute - * - * Constant version - **/ -#define IIO_CONST_ATTR_SAMP_FREQ_AVAIL(_string) \ - IIO_CONST_ATTR(sampling_frequency_available, _string) - -/** - * IIO_DEV_ATTR_SW_RING_ENABLE - enable software ring buffer - * @_show: output method for the attribute - * @_store: input method for the attribute - * - * Success may be dependent on attachment of trigger previously. - **/ -#define IIO_DEV_ATTR_SW_RING_ENABLE(_show, _store) \ - IIO_DEVICE_ATTR(sw_ring_enable, S_IRUGO | S_IWUSR, _show, _store, 0) - -/** - * IIO_DEV_ATTR_HW_RING_ENABLE - enable hardware ring buffer - * @_show: output method for the attribute - * @_store: input method for the attribute - * - * This is a different attribute from the software one as one can envision - * schemes where a combination of the two may be used. - **/ -#define IIO_DEV_ATTR_HW_RING_ENABLE(_show, _store) \ - IIO_DEVICE_ATTR(hw_ring_enable, S_IRUGO | S_IWUSR, _show, _store, 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 - * @_handler: handler function to be called - * - * This is used in cases where more than one event may result from a single - * handler. Often the case that some alarm register must be read and multiple - * alarms may have been triggered. - **/ -#define IIO_EVENT_SH(_name, _handler) \ - static struct iio_event_handler_list \ - iio_event_##_name = { \ - .handler = _handler, \ - .refcount = 0, \ - .exist_lock = __MUTEX_INITIALIZER(iio_event_##_name \ - .exist_lock), \ - .list = { \ - .next = &iio_event_##_name.list, \ - .prev = &iio_event_##_name.list, \ - }, \ - }; - -/** - * IIO_EVENT_ATTR_SH - generic shared event attribute - * @_name: event name - * @_ev_list: event handler list - * @_show: output method for the attribute - * @_store: input method for the attribute - * @_mask: mask used when detecting the event - * - * An attribute with an associated IIO_EVENT_SH - **/ -#define IIO_EVENT_ATTR_SH(_name, _ev_list, _show, _store, _mask) \ - static struct iio_event_attr \ - iio_event_attr_##_name \ - = { .dev_attr = __ATTR(_name, S_IRUGO | S_IWUSR, \ - _show, _store), \ - .mask = _mask, \ - .listel = &_ev_list }; - -#define IIO_EVENT_ATTR_NAMED_SH(_vname, _name, _ev_list, _show, _store, _mask) \ - static struct iio_event_attr \ - iio_event_attr_##_vname \ - = { .dev_attr = __ATTR(_name, S_IRUGO | S_IWUSR, \ - _show, _store), \ - .mask = _mask, \ - .listel = &_ev_list }; - -/** - * IIO_EVENT_ATTR - non-shared event attribute - * @_name: event name - * @_show: output method for the attribute - * @_store: input method for the attribute - * @_mask: mask used when detecting the event - * @_handler: handler function to be called - **/ -#define IIO_EVENT_ATTR(_name, _show, _store, _mask, _handler) \ - IIO_EVENT_SH(_name, _handler); \ - static struct \ - iio_event_attr \ - iio_event_attr_##_name \ - = { .dev_attr = __ATTR(_name, S_IRUGO | S_IWUSR, \ - _show, _store), \ - .mask = _mask, \ - .listel = &iio_event_##_name }; \ - -/** - * IIO_EVENT_ATTR_DATA_RDY - event driven by data ready signal - * @_show: output method for the attribute - * @_store: input method for the attribute - * @_mask: mask used when detecting the event - * @_handler: handler function to be called - * - * Not typically implemented in devices where full triggering support - * has been implemented. - **/ -#define IIO_EVENT_ATTR_DATA_RDY(_show, _store, _mask, _handler) \ - IIO_EVENT_ATTR(data_rdy, _show, _store, _mask, _handler) - -#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 - * @_show: output method for the attribute - * @_store: input method for the attribute - * @_mask: mask used when detecting the event - * @_handler: handler function to be called - **/ -#define IIO_EVENT_ATTR_RING_50_FULL(_show, _store, _mask, _handler) \ - IIO_EVENT_ATTR(ring_50_full, _show, _store, _mask, _handler) - -/** - * IIO_EVENT_ATTR_RING_50_FULL_SH - shared ring event to indicate 50% full - * @_evlist: event handler list - * @_show: output method for the attribute - * @_store: input method for the attribute - * @_mask: mask used when detecting the event - **/ -#define IIO_EVENT_ATTR_RING_50_FULL_SH(_evlist, _show, _store, _mask) \ - IIO_EVENT_ATTR_SH(ring_50_full, _evlist, _show, _store, _mask) - -/** - * IIO_EVENT_ATTR_RING_75_FULL_SH - shared ring event to indicate 75% full - * @_evlist: event handler list - * @_show: output method for the attribute - * @_store: input method for the attribute - * @_mask: mask used when detecting the event - **/ -#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_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_ */ |