/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Congatec Board Controller driver definitions * * Copyright (C) 2024 Bootlin * Author: Thomas Richard <thomas.richard@bootlin.com> */ #ifndef _LINUX_MFD_CGBC_H_ /** * struct cgbc_version - Board Controller device version structure * @feature: Board Controller feature number * @major: Board Controller major revision * @minor: Board Controller minor revision */ struct cgbc_version { unsigned char feature; unsigned char major; unsigned char minor; }; /** * struct cgbc_device_data - Internal representation of the Board Controller device * @io_session: Pointer to the session IO memory * @io_cmd: Pointer to the command IO memory * @session: Session id returned by the Board Controller * @dev: Pointer to kernel device structure * @version: Board Controller version structure * @lock: Board Controller mutex */ struct cgbc_device_data { void __iomem *io_session; void __iomem *io_cmd; u8 session; struct device *dev; struct cgbc_version version; struct mutex lock; }; int cgbc_command(struct cgbc_device_data *cgbc, void *cmd, unsigned int cmd_size, void *data, unsigned int data_size, u8 *status); #endif /*_LINUX_MFD_CGBC_H_*/