1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * Copyright (c) 2022 MediaTek Inc.
4 */
5
6 #ifndef MTK_ADSP_IPC_H
7 #define MTK_ADSP_IPC_H
8
9 #include <linux/device.h>
10 #include <linux/types.h>
11 #include <linux/mailbox_controller.h>
12 #include <linux/mailbox_client.h>
13
14 #define MTK_ADSP_IPC_REQ 0
15 #define MTK_ADSP_IPC_RSP 1
16 #define MTK_ADSP_IPC_OP_REQ 0x1
17 #define MTK_ADSP_IPC_OP_RSP 0x2
18
19 enum {
20 MTK_ADSP_MBOX_REPLY,
21 MTK_ADSP_MBOX_REQUEST,
22 MTK_ADSP_MBOX_NUM,
23 };
24
25 struct mtk_adsp_ipc;
26
27 struct mtk_adsp_ipc_ops {
28 void (*handle_reply)(struct mtk_adsp_i
29 void (*handle_request)(struct mtk_adsp
30 };
31
32 struct mtk_adsp_chan {
33 struct mtk_adsp_ipc *ipc;
34 struct mbox_client cl;
35 struct mbox_chan *ch;
36 char *name;
37 int idx;
38 };
39
40 struct mtk_adsp_ipc {
41 struct mtk_adsp_chan chans[MTK_ADSP_MB
42 struct device *dev;
43 const struct mtk_adsp_ipc_ops *ops;
44 void *private_data;
45 };
46
47 static inline void mtk_adsp_ipc_set_data(struc
48 {
49 ipc->private_data = data;
50 }
51
52 static inline void *mtk_adsp_ipc_get_data(stru
53 {
54 return ipc->private_data;
55 }
56
57 int mtk_adsp_ipc_send(struct mtk_adsp_ipc *ipc
58
59 #endif /* MTK_ADSP_IPC_H */
60
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