1/* SPDX-License-Identifier: GPL-2.0-only */
2
3#ifndef __MAILBOX_H
4#define __MAILBOX_H
5
6#include <linux/bits.h>
7
8#define TXDONE_BY_IRQ BIT(0) /* controller has remote RTR irq */
9#define TXDONE_BY_POLL BIT(1) /* controller can read status of last TX */
10#define TXDONE_BY_ACK BIT(2) /* S/W ACK received by Client ticks the TX */
11
12#endif /* __MAILBOX_H */
13