diff options
Diffstat (limited to 'drivers/staging/iio/sysfs.h')
| -rw-r--r-- | drivers/staging/iio/sysfs.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h deleted file mode 100644 index dd79b584421..00000000000 --- a/drivers/staging/iio/sysfs.h +++ /dev/null @@ -1,222 +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_dev_attr - iio specific device attribute - * @dev_attr: underlying device attribute - * @address: associated register address - * @val2: secondary attribute value - * @l: list head for maintaining list of dynamically created attrs. - */ -struct iio_dev_attr { - struct device_attribute dev_attr; - int address; - int val2; - struct list_head l; - struct iio_chan_spec const *c; -}; - -#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_RESET: resets the device - **/ -#define IIO_DEV_ATTR_RESET(_store) \ - IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, _store, 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) - -/* must match our channel defs */ -#define IIO_EV_CLASS_IN IIO_IN -#define IIO_EV_CLASS_IN_DIFF IIO_IN_DIFF -#define IIO_EV_CLASS_ACCEL IIO_ACCEL -#define IIO_EV_CLASS_GYRO IIO_GYRO -#define IIO_EV_CLASS_MAGN IIO_MAGN -#define IIO_EV_CLASS_LIGHT IIO_LIGHT -#define IIO_EV_CLASS_PROXIMITY IIO_PROXIMITY -#define IIO_EV_CLASS_TEMP IIO_TEMP - -#define IIO_EV_MOD_X IIO_MOD_X -#define IIO_EV_MOD_Y IIO_MOD_Y -#define IIO_EV_MOD_Z IIO_MOD_Z -#define IIO_EV_MOD_X_AND_Y IIO_MOD_X_AND_Y -#define IIO_EV_MOD_X_ANX_Z IIO_MOD_X_AND_Z -#define IIO_EV_MOD_Y_AND_Z IIO_MOD_Y_AND_Z -#define IIO_EV_MOD_X_AND_Y_AND_Z IIO_MOD_X_AND_Y_AND_Z -#define IIO_EV_MOD_X_OR_Y IIO_MOD_X_OR_Y -#define IIO_EV_MOD_X_OR_Z IIO_MOD_X_OR_Z -#define IIO_EV_MOD_Y_OR_Z IIO_MOD_Y_OR_Z -#define IIO_EV_MOD_X_OR_Y_OR_Z IIO_MOD_X_OR_Y_OR_Z - -#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_EV_TYPE_MAX 8 -#define IIO_EV_BIT(type, direction) \ - (1 << (type*IIO_EV_TYPE_MAX + direction)) - -#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)) - -#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 24) & 0xf) - -/* Event code number extraction depends on which type of event we have. - * Perhaps review this function in the future*/ -#define IIO_EVENT_CODE_EXTRACT_NUM(mask) ((mask >> 9) & 0x0f) - -#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 13) & 0x7) - -#endif /* _INDUSTRIAL_IO_SYSFS_H_ */ |