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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2022 MediaTek Inc.
*/
#ifndef MTK_ADSP_IPC_H
#define MTK_ADSP_IPC_H
#include <linux/device.h>
#include <linux/types.h>
#include <linux/mailbox_controller.h>
#include <linux/mailbox_client.h>
#define MTK_ADSP_IPC_REQ 0
#define MTK_ADSP_IPC_RSP 1
#define MTK_ADSP_IPC_OP_REQ 0x1
#define MTK_ADSP_IPC_OP_RSP 0x2
enum {
MTK_ADSP_MBOX_REPLY,
MTK_ADSP_MBOX_REQUEST,
MTK_ADSP_MBOX_NUM,
};
struct mtk_adsp_ipc;
struct mtk_adsp_ipc_ops {
void (*handle_reply)(struct mtk_adsp_ipc *ipc);
void (*handle_request)(struct mtk_adsp_ipc *ipc);
};
struct mtk_adsp_chan {
struct mtk_adsp_ipc *ipc;
struct mbox_client cl;
struct mbox_chan *ch;
char *name;
int idx;
};
struct mtk_adsp_ipc {
struct mtk_adsp_chan chans[MTK_ADSP_MBOX_NUM];
struct device *dev;
struct mtk_adsp_ipc_ops *ops;
void *private_data;
};
static inline void mtk_adsp_ipc_set_data(struct mtk_adsp_ipc *ipc, void *data)
{
ipc->private_data = data;
}
static inline void *mtk_adsp_ipc_get_data(struct mtk_adsp_ipc *ipc)
{
return ipc->private_data;
}
int mtk_adsp_ipc_send(struct mtk_adsp_ipc *ipc, unsigned int idx, uint32_t op);
#endif /* MTK_ADSP_IPC_H */