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