diff options
Diffstat (limited to 'drivers/staging/iio/sysfs.h')
| -rw-r--r-- | drivers/staging/iio/sysfs.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/staging/iio/sysfs.h b/drivers/staging/iio/sysfs.h deleted file mode 100644 index 868952b5ba6..00000000000 --- a/drivers/staging/iio/sysfs.h +++ /dev/null @@ -1,160 +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_ - -struct iio_chan_spec; - -/** - * struct iio_dev_attr - iio specific device attribute - * @dev_attr: underlying device attribute - * @address: associated register address - * @l: list head for maintaining list of dynamically created attrs. - */ -struct iio_dev_attr { - struct device_attribute dev_attr; - u64 address; - 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_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_RESET: resets the device - **/ -#define IIO_DEV_ATTR_RESET(_store) \ - IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, _store, 0) - -/** - * 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_SAMP_FREQ_AVAIL - list available sampling frequencies - * @_show: output method for the attribute - * - * May be mode dependent on some devices - **/ -#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) - -#define IIO_DEV_ATTR_TEMP_RAW(_show) \ - IIO_DEVICE_ATTR(in_temp_raw, S_IRUGO, _show, NULL, 0) - -#define IIO_CONST_ATTR_TEMP_OFFSET(_string) \ - IIO_CONST_ATTR(in_temp_offset, _string) - -#define IIO_CONST_ATTR_TEMP_SCALE(_string) \ - IIO_CONST_ATTR(in_temp_scale, _string) - -enum iio_event_type { - IIO_EV_TYPE_THRESH, - IIO_EV_TYPE_MAG, - IIO_EV_TYPE_ROC, - IIO_EV_TYPE_THRESH_ADAPTIVE, - IIO_EV_TYPE_MAG_ADAPTIVE, -}; - -enum iio_event_direction { - IIO_EV_DIR_EITHER, - IIO_EV_DIR_RISING, - IIO_EV_DIR_FALLING, -}; - -#define IIO_EVENT_CODE(chan_type, diff, modifier, direction, \ - type, chan, chan1, chan2) \ - (((u64)type << 56) | ((u64)diff << 55) | \ - ((u64)direction << 48) | ((u64)modifier << 40) | \ - ((u64)chan_type << 32) | (chan2 << 16) | chan1 | chan) - -#define IIO_EV_DIR_MAX 4 -#define IIO_EV_BIT(type, direction) \ - (1 << (type*IIO_EV_DIR_MAX + direction)) - -#define IIO_MOD_EVENT_CODE(channelclass, number, modifier, \ - type, direction) \ - IIO_EVENT_CODE(channelclass, 0, modifier, direction, type, number, 0, 0) - -#define IIO_UNMOD_EVENT_CODE(channelclass, number, type, direction) \ - IIO_EVENT_CODE(channelclass, 0, 0, direction, type, number, 0, 0) - -#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF) - -#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF) - -#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF) - -/* 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 & 0xFFFF) - -#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF) - -#endif /* _INDUSTRIAL_IO_SYSFS_H_ */ |