mirror of https://gitee.com/openkylin/linux.git
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2012 Samsung Electronics.
|
|
* Kyungmin Park <kyungmin.park@samsung.com>
|
|
* Tomasz Figa <t.figa@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef __ASM_ARM_FIRMWARE_H
|
|
#define __ASM_ARM_FIRMWARE_H
|
|
|
|
#include <linux/bug.h>
|
|
|
|
/*
|
|
* struct firmware_ops
|
|
*
|
|
* A structure to specify available firmware operations.
|
|
*
|
|
* A filled up structure can be registered with register_firmware_ops().
|
|
*/
|
|
struct firmware_ops {
|
|
/*
|
|
* Inform the firmware we intend to enter CPU idle mode
|
|
*/
|
|
int (*prepare_idle)(void);
|
|
/*
|
|
* Enters CPU idle mode
|
|
*/
|
|
int (*do_idle)(void);
|
|
/*
|
|
* Sets boot address of specified physical CPU
|
|
*/
|
|
int (*set_cpu_boot_addr)(int cpu, unsigned long boot_addr);
|
|
/*
|
|
* Boots specified physical CPU
|
|
*/
|
|
int (*cpu_boot)(int cpu);
|
|
/*
|
|
* Initializes L2 cache
|
|
*/
|
|
int (*l2x0_init)(void);
|
|
};
|
|
|
|
/* Global pointer for current firmware_ops structure, can't be NULL. */
|
|
extern const struct firmware_ops *firmware_ops;
|
|
|
|
/*
|
|
* call_firmware_op(op, ...)
|
|
*
|
|
* Checks if firmware operation is present and calls it,
|
|
* otherwise returns -ENOSYS
|
|
*/
|
|
#define call_firmware_op(op, ...) \
|
|
((firmware_ops->op) ? firmware_ops->op(__VA_ARGS__) : (-ENOSYS))
|
|
|
|
/*
|
|
* register_firmware_ops(ops)
|
|
*
|
|
* A function to register platform firmware_ops struct.
|
|
*/
|
|
static inline void register_firmware_ops(const struct firmware_ops *ops)
|
|
{
|
|
BUG_ON(!ops);
|
|
|
|
firmware_ops = ops;
|
|
}
|
|
|
|
#endif
|