43 lines
926 B
C
43 lines
926 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2020 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef __ADSP_IPI_H
|
|
#define __ADSP_IPI_H
|
|
|
|
#include "adsp_helper.h"
|
|
|
|
#define SHARE_BUF_SIZE 288
|
|
/* adsp awake timeout count definition*/
|
|
#define ADSP_AWAKE_TIMEOUT 5000
|
|
|
|
struct adsp_ipi_desc {
|
|
void (*handler)(int id, void *data, unsigned int len);
|
|
const char *name;
|
|
};
|
|
|
|
struct adsp_share_obj {
|
|
enum adsp_ipi_id id;
|
|
unsigned int len;
|
|
unsigned char reserve[8];
|
|
unsigned char share_buf[SHARE_BUF_SIZE - 16];
|
|
};
|
|
|
|
struct ipi_ctrl_s {
|
|
enum adsp_ipi_id ipi_mutex_owner;
|
|
enum adsp_ipi_id ipi_owner;
|
|
|
|
struct adsp_share_obj *send_obj;
|
|
struct adsp_share_obj *recv_obj;
|
|
struct mutex lock; /* ap used */
|
|
};
|
|
|
|
void adsp_ipi_init(void);
|
|
void adsp_ipi_handler(int irq, void *data, int cid);
|
|
enum adsp_ipi_status adsp_ipi_send_ipc(enum adsp_ipi_id id, void *buf,
|
|
unsigned int len, unsigned int wait,
|
|
unsigned int adsp_id);
|
|
|
|
#endif
|