mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 12:25:08 +07:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2012 Samsung Electronics.
|
|
* Kyungmin Park <kyungmin.park@samsung.com>
|
|
* Tomasz Figa <t.figa@samsung.com>
|
|
*/
|
|
|
|
#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)(unsigned long mode);
|
|
/*
|
|
* Enters CPU idle mode
|
|
*/
|
|
int (*do_idle)(unsigned long mode);
|
|
/*
|
|
* Sets boot address of specified physical CPU
|
|
*/
|
|
int (*set_cpu_boot_addr)(int cpu, unsigned long boot_addr);
|
|
/*
|
|
* Gets boot address of specified physical CPU
|
|
*/
|
|
int (*get_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);
|
|
/*
|
|
* Enter system-wide suspend.
|
|
*/
|
|
int (*suspend)(void);
|
|
/*
|
|
* Restore state of privileged hardware after system-wide suspend.
|
|
*/
|
|
int (*resume)(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
|