mirror of
https://github.com/u-boot/u-boot.git
synced 2024-12-05 10:33:42 +08:00
f5abb40997
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Acked-by: Thomas Chou <thomas@wytron.com.tw>
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _MISC_H_
|
|
#define _MISC_H_
|
|
|
|
/*
|
|
* Read the device to buffer, optional.
|
|
*
|
|
* @dev: the device
|
|
* @offset: offset to read the device
|
|
* @buf: pointer to data buffer
|
|
* @size: data size in bytes to read the device
|
|
* @return: 0 if OK, -ve on error
|
|
*/
|
|
int misc_read(struct udevice *dev, int offset, void *buf, int size);
|
|
/*
|
|
* Write buffer to the device, optional.
|
|
*
|
|
* @dev: the device
|
|
* @offset: offset to write the device
|
|
* @buf: pointer to data buffer
|
|
* @size: data size in bytes to write the device
|
|
* @return: 0 if OK, -ve on error
|
|
*/
|
|
int misc_write(struct udevice *dev, int offset, void *buf, int size);
|
|
/*
|
|
* Assert command to the device, optional.
|
|
*
|
|
* @dev: the device
|
|
* @request: command to be sent to the device
|
|
* @buf: pointer to buffer related to the request
|
|
* @return: 0 if OK, -ve on error
|
|
*/
|
|
int misc_ioctl(struct udevice *dev, unsigned long request, void *buf);
|
|
|
|
/*
|
|
* struct misc_ops - Driver model Misc operations
|
|
*
|
|
* The uclass interface is implemented by all miscellaneous devices which
|
|
* use driver model.
|
|
*/
|
|
struct misc_ops {
|
|
/*
|
|
* Read the device to buffer, optional.
|
|
*
|
|
* @dev: the device
|
|
* @offset: offset to read the device
|
|
* @buf: pointer to data buffer
|
|
* @size: data size in bytes to read the device
|
|
* @return: 0 if OK, -ve on error
|
|
*/
|
|
int (*read)(struct udevice *dev, int offset, void *buf, int size);
|
|
/*
|
|
* Write buffer to the device, optional.
|
|
*
|
|
* @dev: the device
|
|
* @offset: offset to write the device
|
|
* @buf: pointer to data buffer
|
|
* @size: data size in bytes to write the device
|
|
* @return: 0 if OK, -ve on error
|
|
*/
|
|
int (*write)(struct udevice *dev, int offset, const void *buf,
|
|
int size);
|
|
/*
|
|
* Assert command to the device, optional.
|
|
*
|
|
* @dev: the device
|
|
* @request: command to be sent to the device
|
|
* @buf: pointer to buffer related to the request
|
|
* @return: 0 if OK, -ve on error
|
|
*/
|
|
int (*ioctl)(struct udevice *dev, unsigned long request, void *buf);
|
|
};
|
|
|
|
#endif /* _MISC_H_ */
|