diff options
| author | Sven Peter <sven@svenpeter.dev> | 2021-10-25 08:22:04 +0200 |
|---|---|---|
| committer | Jassi Brar <jaswinder.singh@linaro.org> | 2021-10-29 22:34:31 -0500 |
| commit | f89f9c56e7372b2dda144f83dce61311b298c559 (patch) | |
| tree | e964f51c27034439882dd3856f1fc688bb173f0b /include | |
| parent | 29848f309e7e17f81e79f0f40be627f3e3f6e65c (diff) | |
mailbox: apple: Add driver for Apple mailboxes
Apple SoCs such as the M1 come with various co-processors. Mailboxes
are used to communicate with those. This driver adds support for
two variants of those mailboxes.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/apple-mailbox.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/apple-mailbox.h b/include/linux/apple-mailbox.h new file mode 100644 index 000000000000..720fbb70294a --- /dev/null +++ b/include/linux/apple-mailbox.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ +/* + * Apple mailbox message format + * + * Copyright (C) 2021 The Asahi Linux Contributors + */ + +#ifndef _LINUX_APPLE_MAILBOX_H_ +#define _LINUX_APPLE_MAILBOX_H_ + +#include <linux/types.h> + +/* encodes a single 96bit message sent over the single channel */ +struct apple_mbox_msg { + u64 msg0; + u32 msg1; +}; + +#endif |