summaryrefslogtreecommitdiffstats
path: root/drivers/firmware/samsung/exynos-acpm.h
blob: 708f6b0102ace2a995fedf844dd33f08fcd33ad3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2020 Samsung Electronics Co., Ltd.
 * Copyright 2020 Google LLC.
 * Copyright 2024 Linaro Ltd.
 */
#ifndef __EXYNOS_ACPM_H__
#define __EXYNOS_ACPM_H__

struct acpm_xfer {
	const u32 *txd __counted_by_ptr(txcnt);
	u32 *rxd __counted_by_ptr(rxcnt);
	size_t txcnt;
	size_t rxcnt;
	unsigned int acpm_chan_id;
};

struct acpm_handle;

void acpm_set_xfer(struct acpm_xfer *xfer, u32 *cmd, size_t cmdcnt,
		   unsigned int acpm_chan_id, bool response);
int acpm_do_xfer(struct acpm_handle *handle,
		 const struct acpm_xfer *xfer);

#endif /* __EXYNOS_ACPM_H__ */