14395e06eSThomas Chou /* 24395e06eSThomas Chou * Copyright (C) 2015 Thomas Chou <thomas@wytron.com.tw> 34395e06eSThomas Chou * 44395e06eSThomas Chou * SPDX-License-Identifier: GPL-2.0+ 54395e06eSThomas Chou */ 64395e06eSThomas Chou 74395e06eSThomas Chou #ifndef _MISC_H_ 84395e06eSThomas Chou #define _MISC_H_ 94395e06eSThomas Chou 104395e06eSThomas Chou /* 114395e06eSThomas Chou * Read the device to buffer, optional. 124395e06eSThomas Chou * 134395e06eSThomas Chou * @dev: the device 144395e06eSThomas Chou * @offset: offset to read the device 154395e06eSThomas Chou * @buf: pointer to data buffer 164395e06eSThomas Chou * @size: data size in bytes to read the device 174395e06eSThomas Chou * @return: 0 if OK, -ve on error 184395e06eSThomas Chou */ 194395e06eSThomas Chou int misc_read(struct udevice *dev, int offset, void *buf, int size); 204395e06eSThomas Chou /* 214395e06eSThomas Chou * Write buffer to the device, optional. 224395e06eSThomas Chou * 234395e06eSThomas Chou * @dev: the device 244395e06eSThomas Chou * @offset: offset to write the device 254395e06eSThomas Chou * @buf: pointer to data buffer 264395e06eSThomas Chou * @size: data size in bytes to write the device 274395e06eSThomas Chou * @return: 0 if OK, -ve on error 284395e06eSThomas Chou */ 294395e06eSThomas Chou int misc_write(struct udevice *dev, int offset, void *buf, int size); 304395e06eSThomas Chou /* 314395e06eSThomas Chou * Assert command to the device, optional. 324395e06eSThomas Chou * 334395e06eSThomas Chou * @dev: the device 344395e06eSThomas Chou * @request: command to be sent to the device 35*f5abb409SRobert P. J. Day * @buf: pointer to buffer related to the request 364395e06eSThomas Chou * @return: 0 if OK, -ve on error 374395e06eSThomas Chou */ 384395e06eSThomas Chou int misc_ioctl(struct udevice *dev, unsigned long request, void *buf); 394395e06eSThomas Chou 404395e06eSThomas Chou /* 414395e06eSThomas Chou * struct misc_ops - Driver model Misc operations 424395e06eSThomas Chou * 434395e06eSThomas Chou * The uclass interface is implemented by all miscellaneous devices which 444395e06eSThomas Chou * use driver model. 454395e06eSThomas Chou */ 464395e06eSThomas Chou struct misc_ops { 474395e06eSThomas Chou /* 484395e06eSThomas Chou * Read the device to buffer, optional. 494395e06eSThomas Chou * 504395e06eSThomas Chou * @dev: the device 514395e06eSThomas Chou * @offset: offset to read the device 524395e06eSThomas Chou * @buf: pointer to data buffer 534395e06eSThomas Chou * @size: data size in bytes to read the device 544395e06eSThomas Chou * @return: 0 if OK, -ve on error 554395e06eSThomas Chou */ 564395e06eSThomas Chou int (*read)(struct udevice *dev, int offset, void *buf, int size); 574395e06eSThomas Chou /* 584395e06eSThomas Chou * Write buffer to the device, optional. 594395e06eSThomas Chou * 604395e06eSThomas Chou * @dev: the device 614395e06eSThomas Chou * @offset: offset to write the device 624395e06eSThomas Chou * @buf: pointer to data buffer 634395e06eSThomas Chou * @size: data size in bytes to write the device 644395e06eSThomas Chou * @return: 0 if OK, -ve on error 654395e06eSThomas Chou */ 664395e06eSThomas Chou int (*write)(struct udevice *dev, int offset, const void *buf, 674395e06eSThomas Chou int size); 684395e06eSThomas Chou /* 694395e06eSThomas Chou * Assert command to the device, optional. 704395e06eSThomas Chou * 714395e06eSThomas Chou * @dev: the device 724395e06eSThomas Chou * @request: command to be sent to the device 73*f5abb409SRobert P. J. Day * @buf: pointer to buffer related to the request 744395e06eSThomas Chou * @return: 0 if OK, -ve on error 754395e06eSThomas Chou */ 764395e06eSThomas Chou int (*ioctl)(struct udevice *dev, unsigned long request, void *buf); 774395e06eSThomas Chou }; 784395e06eSThomas Chou 794395e06eSThomas Chou #endif /* _MISC_H_ */ 80