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 MUTEX_MOD_IDX_MDP_RDMA1,
26 MUTEX_MOD_IDX_MDP_RDMA2,
27 MUTEX_MOD_IDX_MDP_RDMA3,
28 MUTEX_MOD_IDX_MDP_STITCH0,
29 MUTEX_MOD_IDX_MDP_FG0,
30 MUTEX_MOD_IDX_MDP_FG1,
31 MUTEX_MOD_IDX_MDP_FG2,
32 MUTEX_MOD_IDX_MDP_FG3,
33 MUTEX_MOD_IDX_MDP_HDR1,
34 MUTEX_MOD_IDX_MDP_HDR2,
35 MUTEX_MOD_IDX_MDP_HDR3,
36 MUTEX_MOD_IDX_MDP_AAL1,
37 MUTEX_MOD_IDX_MDP_AAL2,
38 MUTEX_MOD_IDX_MDP_AAL3,
39 MUTEX_MOD_IDX_MDP_RSZ2,
40 MUTEX_MOD_IDX_MDP_RSZ3,
41 MUTEX_MOD_IDX_MDP_MERGE2,
42 MUTEX_MOD_IDX_MDP_MERGE3,
43 MUTEX_MOD_IDX_MDP_TDSHP1,
44 MUTEX_MOD_IDX_MDP_TDSHP2,
45 MUTEX_MOD_IDX_MDP_TDSHP3,
46 MUTEX_MOD_IDX_MDP_COLOR1,
47 MUTEX_MOD_IDX_MDP_COLOR2,
48 MUTEX_MOD_IDX_MDP_COLOR3,
49 MUTEX_MOD_IDX_MDP_OVL0,
50 MUTEX_MOD_IDX_MDP_OVL1,
51 MUTEX_MOD_IDX_MDP_PAD0,
52 MUTEX_MOD_IDX_MDP_PAD1,
53 MUTEX_MOD_IDX_MDP_PAD2,
54 MUTEX_MOD_IDX_MDP_PAD3,
55 MUTEX_MOD_IDX_MDP_TCC0,
56 MUTEX_MOD_IDX_MDP_TCC1,
57 MUTEX_MOD_IDX_MDP_WROT1,
58 MUTEX_MOD_IDX_MDP_WROT2,
59 MUTEX_MOD_IDX_MDP_WROT3,
60
61 MUTEX_MOD_IDX_MAX /* ALWAYS keep at the end */
62};
63
64enum mtk_mutex_sof_index {
65 MUTEX_SOF_IDX_SINGLE_MODE,
66
67 MUTEX_SOF_IDX_MAX /* ALWAYS keep at the end */
68};
69
70struct mtk_mutex *mtk_mutex_get(struct device *dev);
71int mtk_mutex_prepare(struct mtk_mutex *mutex);
72void mtk_mutex_add_comp(struct mtk_mutex *mutex,
73 enum mtk_ddp_comp_id id);
74void mtk_mutex_enable(struct mtk_mutex *mutex);
75int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex,
76 void *pkt);
77void mtk_mutex_disable(struct mtk_mutex *mutex);
78void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
79 enum mtk_ddp_comp_id id);
80void mtk_mutex_unprepare(struct mtk_mutex *mutex);
81void mtk_mutex_put(struct mtk_mutex *mutex);
82void mtk_mutex_acquire(struct mtk_mutex *mutex);
83void mtk_mutex_release(struct mtk_mutex *mutex);
84int mtk_mutex_write_mod(struct mtk_mutex *mutex,
85 enum mtk_mutex_mod_index idx,
86 bool clear);
87int mtk_mutex_write_sof(struct mtk_mutex *mutex,
88 enum mtk_mutex_sof_index idx);
89
90#endif /* MTK_MUTEX_H */
91

source code of linux/include/linux/soc/mediatek/mtk-mutex.h