diff options
Diffstat (limited to 'drivers/mailbox/mailbox.h')
| -rw-r--r-- | drivers/mailbox/mailbox.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mailbox/mailbox.h b/drivers/mailbox/mailbox.h new file mode 100644 index 0000000000..046d6d258b --- /dev/null +++ b/drivers/mailbox/mailbox.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __MAILBOX_H +#define __MAILBOX_H + +#define TXDONE_BY_IRQ BIT(0) /* controller has remote RTR irq */ +#define TXDONE_BY_POLL BIT(1) /* controller can read status of last TX */ +#define TXDONE_BY_ACK BIT(2) /* S/W ACK received by Client ticks the TX */ + +#endif /* __MAILBOX_H */ |