tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2015 MediaTek Inc.
4 */
5
6#ifndef MTK_MUTEX_H
7#define MTK_MUTEX_H
8
9struct regmap;
10struct device;
11struct mtk_mutex;
12
13enum mtk_mutex_mod_index {
14 /* MDP table index */
15 MUTEX_MOD_IDX_MDP_RDMA0,
16 MUTEX_MOD_IDX_MDP_RSZ0,
17 MUTEX_MOD_IDX_MDP_RSZ1,
18 MUTEX_MOD_IDX_MDP_TDSHP0,
19 MUTEX_MOD_IDX_MDP_WROT0,
20 MUTEX_MOD_IDX_MDP_WDMA,
21 MUTEX_MOD_IDX_MDP_AAL0,
22 MUTEX_MOD_IDX_MDP_CCORR0,
23 MUTEX_MOD_IDX_MDP_HDR0,
24 MUTEX_MOD_IDX_MDP_COLOR0,
25
26 MUTEX_MOD_IDX_MAX /* ALWAYS keep at the end */
27};
28
29enum mtk_mutex_sof_index {
30 MUTEX_SOF_IDX_SINGLE_MODE,
31
32 MUTEX_SOF_IDX_MAX /* ALWAYS keep at the end */
33};
34
35struct mtk_mutex *mtk_mutex_get(struct device *dev);
36int mtk_mutex_prepare(struct mtk_mutex *mutex);
37void mtk_mutex_add_comp(struct mtk_mutex *mutex,
38 enum mtk_ddp_comp_id id);
39void mtk_mutex_enable(struct mtk_mutex *mutex);
40int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex,
41 void *pkt);
42void mtk_mutex_disable(struct mtk_mutex *mutex);
43void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
44 enum mtk_ddp_comp_id id);
45void mtk_mutex_unprepare(struct mtk_mutex *mutex);
46void mtk_mutex_put(struct mtk_mutex *mutex);
47void mtk_mutex_acquire(struct mtk_mutex *mutex);
48void mtk_mutex_release(struct mtk_mutex *mutex);
49int mtk_mutex_write_mod(struct mtk_mutex *mutex,
50 enum mtk_mutex_mod_index idx,
51 bool clear);
52int mtk_mutex_write_sof(struct mtk_mutex *mutex,
53 enum mtk_mutex_sof_index idx);
54
55#endif /* MTK_MUTEX_H */