xref: /linux/include/linux/soc/mediatek/mtk-mutex.h (revision d0804085c5a7feb557bd3219777b51f5598dfdc6)
1e1e4f7feSCK Hu /* SPDX-License-Identifier: GPL-2.0-only */
2e1e4f7feSCK Hu /*
3e1e4f7feSCK Hu  * Copyright (c) 2015 MediaTek Inc.
4e1e4f7feSCK Hu  */
5e1e4f7feSCK Hu 
6e1e4f7feSCK Hu #ifndef MTK_MUTEX_H
7e1e4f7feSCK Hu #define MTK_MUTEX_H
8e1e4f7feSCK Hu 
9e1e4f7feSCK Hu struct regmap;
10e1e4f7feSCK Hu struct device;
11e1e4f7feSCK Hu struct mtk_mutex;
12e1e4f7feSCK Hu 
13*d0804085SMoudy Ho enum mtk_mutex_mod_index {
14*d0804085SMoudy Ho 	/* MDP table index */
15*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_RDMA0,
16*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_RSZ0,
17*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_RSZ1,
18*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_TDSHP0,
19*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_WROT0,
20*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_WDMA,
21*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_AAL0,
22*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MDP_CCORR0,
23*d0804085SMoudy Ho 
24*d0804085SMoudy Ho 	MUTEX_MOD_IDX_MAX		/* ALWAYS keep at the end */
25*d0804085SMoudy Ho };
26*d0804085SMoudy Ho 
27*d0804085SMoudy Ho enum mtk_mutex_sof_index {
28*d0804085SMoudy Ho 	MUTEX_SOF_IDX_SINGLE_MODE,
29*d0804085SMoudy Ho 
30*d0804085SMoudy Ho 	MUTEX_SOF_IDX_MAX		/* ALWAYS keep at the end */
31*d0804085SMoudy Ho };
32*d0804085SMoudy Ho 
33e1e4f7feSCK Hu struct mtk_mutex *mtk_mutex_get(struct device *dev);
34e1e4f7feSCK Hu int mtk_mutex_prepare(struct mtk_mutex *mutex);
35e1e4f7feSCK Hu void mtk_mutex_add_comp(struct mtk_mutex *mutex,
36e1e4f7feSCK Hu 			enum mtk_ddp_comp_id id);
37e1e4f7feSCK Hu void mtk_mutex_enable(struct mtk_mutex *mutex);
38e1e4f7feSCK Hu void mtk_mutex_disable(struct mtk_mutex *mutex);
39e1e4f7feSCK Hu void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
40e1e4f7feSCK Hu 			   enum mtk_ddp_comp_id id);
41e1e4f7feSCK Hu void mtk_mutex_unprepare(struct mtk_mutex *mutex);
42e1e4f7feSCK Hu void mtk_mutex_put(struct mtk_mutex *mutex);
43e1e4f7feSCK Hu void mtk_mutex_acquire(struct mtk_mutex *mutex);
44e1e4f7feSCK Hu void mtk_mutex_release(struct mtk_mutex *mutex);
45*d0804085SMoudy Ho int mtk_mutex_write_mod(struct mtk_mutex *mutex,
46*d0804085SMoudy Ho 			enum mtk_mutex_mod_index idx,
47*d0804085SMoudy Ho 			bool clear);
48*d0804085SMoudy Ho int mtk_mutex_write_sof(struct mtk_mutex *mutex,
49*d0804085SMoudy Ho 			enum mtk_mutex_sof_index idx);
50e1e4f7feSCK Hu 
51e1e4f7feSCK Hu #endif /* MTK_MUTEX_H */
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