1 /* SPDX-License-Identifier: GPL-2.0-only */ 1
2 /*
3 * Copyright (C) 2013-2014 Linaro Ltd.
4 * Author: Jassi Brar <jassisinghbrar@gmail.co
5 */
6
7 #ifndef __MAILBOX_CLIENT_H
8 #define __MAILBOX_CLIENT_H
9
10 #include <linux/of.h>
11 #include <linux/device.h>
12
13 struct mbox_chan;
14
15 /**
16 * struct mbox_client - User of a mailbox
17 * @dev: The client device
18 * @tx_block: If the mbox_send_messa
19 * transmitted.
20 * @tx_tout: Max block period in ms
21 * @knows_txdone: If the client could ru
22 * if the client receives
23 * Unused if the controll
24 * @rx_callback: Atomic callback to pro
25 * @tx_prepare: Atomic callback to ask
26 * before initiating the
27 * @tx_done: Atomic callback to tel
28 */
29 struct mbox_client {
30 struct device *dev;
31 bool tx_block;
32 unsigned long tx_tout;
33 bool knows_txdone;
34
35 void (*rx_callback)(struct mbox_client
36 void (*tx_prepare)(struct mbox_client
37 void (*tx_done)(struct mbox_client *cl
38 };
39
40 int mbox_bind_client(struct mbox_chan *chan, s
41 struct mbox_chan *mbox_request_channel_byname(
42
43 struct mbox_chan *mbox_request_channel(struct
44 int mbox_send_message(struct mbox_chan *chan,
45 int mbox_flush(struct mbox_chan *chan, unsigne
46 void mbox_client_txdone(struct mbox_chan *chan
47 bool mbox_client_peek_data(struct mbox_chan *c
48 void mbox_free_channel(struct mbox_chan *chan)
49
50 #endif /* __MAILBOX_CLIENT_H */
51
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.