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Diffstat (limited to 'drivers/staging/iio/sysfs.h')
| -rw-r--r-- | drivers/staging/iio/sysfs.h | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h deleted file mode 100644 index bfe4055c0ed..00000000000 --- a/drivers/staging/iio/sysfs.h +++ /dev/null @@ -1,293 +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_attribute - 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_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 - */ -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 - */ -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 dependant) 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_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) - - -#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)} - -/* Generic attributes of onetype or another */ - -/** - * IIO_DEV_ATTR_REG: revision number for the device - * - * 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 dependant identifier - **/ -#define IIO_DEV_ATTR_NAME(_show) \ - IIO_DEVICE_ATTR(name, S_IRUGO, _show, NULL, 0) - -/** - * IIO_DEV_ATTR_SAMP_FREQ: sets any internal clock frequency - **/ -#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. - * - * May be mode dependant on some devices - **/ -#define IIO_DEV_ATTR_AVAIL_SAMP_FREQ(_show) \ - IIO_DEVICE_ATTR(available_sampling_frequency, S_IRUGO, _show, NULL, 0) - -/** - * IIO_DEV_ATTR_CONST_AVAIL_SAMP_FREQ: list available sampling frequencies. - * - * Constant version - **/ -#define IIO_CONST_ATTR_AVAIL_SAMP_FREQ(_string) \ - IIO_CONST_ATTR(available_sampling_frequency, _string) -/** - * IIO_DEV_ATTR_SCAN_MODE: select a scan mode - * - * 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 - **/ -#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 - **/ -#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 - **/ -#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 - * - * Success may be dependant 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 - * - * This is a different attribute from the software one as one can invision - * 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) - -/** - * IIO_DEV_ATTR_BPSE: set number of bits per scan element - **/ -#define IIO_DEV_ATTR_BPSE(_mode, _show, _store) \ - IIO_DEVICE_ATTR(bpse, _mode, _show, _store, 0) - -/** - * IIO_DEV_ATTR_BPSE_AVAILABLE: no of bits per scan element supported - **/ -#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 - **/ -#define IIO_DEV_ATTR_TEMP(_show) \ - IIO_DEVICE_ATTR(temp, S_IRUGO, _show, NULL, 0) -/** - * IIO_EVENT_SH: generic shared event handler - * - * 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 - * - * 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 }; - -/** - * IIO_EVENT_ATTR: non shared event attribute - **/ -#define IIO_EVENT_ATTR(_name, _show, _store, _mask, _handler) \ - static struct iio_event_handler_list \ - iio_event_##_name = { \ - .handler = _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 - * - * 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_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_DEVICE_SPECIFIC 1000 - -/** - * IIO_EVENT_ATTR_RING_50_FULL: ring buffer event to indicate 50% full - **/ -#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 - **/ -#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 - **/ -#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) - -#endif /* _INDUSTRIAL_IO_SYSFS_H_ */ |