/* 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
* @ cgbc_version : Board Controller version structure
* @ mutex : 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_*/
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(vorverarbeitet am 2026-09-28)
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