36 lines
1 KiB
C
Executable file
36 lines
1 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2016 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef __SSPM_MBOX_H__
|
|
#define __SSPM_MBOX_H__
|
|
|
|
#include <linux/platform_device.h>
|
|
|
|
enum SSPM_MBOX_SIZE {
|
|
SSPM_MBOX_4BYTE = 0x80,
|
|
SSPM_MBOX_8BYTE = 0x100,
|
|
};
|
|
|
|
extern struct platform_device *sspm_pdev;
|
|
|
|
typedef unsigned int (*sspm_ipi_isr)(unsigned int mbox, void __iomem *base,
|
|
unsigned int irq);
|
|
|
|
unsigned int sspm_mbox_size(int mbox);
|
|
extern int sspm_mbox_send(unsigned int mbox, unsigned int slot,
|
|
unsigned int irq, void *data, unsigned int len);
|
|
extern uint32_t *sspm_mbox_addr(unsigned int mbox, unsigned int slot);
|
|
extern int sspm_mbox_read(unsigned int mbox, unsigned int slot, void *data,
|
|
unsigned int len);
|
|
extern int sspm_mbox_write(unsigned int mbox, unsigned int slot, void *data,
|
|
unsigned int len);
|
|
extern unsigned int sspm_mbox_init(unsigned int mode, unsigned int count,
|
|
sspm_ipi_isr ipi_isr_cb);
|
|
extern int sspm_mbox_polling(unsigned int mbox, unsigned int irq,
|
|
unsigned int slot, unsigned int *retdata, unsigned int retlen,
|
|
unsigned int retries);
|
|
|
|
#endif
|