3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
47 wiersze
1.1 KiB
C
47 wiersze
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SDE_HW_BLK_H
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#define _SDE_HW_BLK_H
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#include <linux/types.h>
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#include <linux/list.h>
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#include <linux/atomic.h>
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struct sde_hw_blk;
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/**
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* struct sde_hw_blk_ops - common hardware block operations
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* @start: start operation on first get
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* @stop: stop operation on last put
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*/
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struct sde_hw_blk_ops {
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int (*start)(struct sde_hw_blk *hw_blk);
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void (*stop)(struct sde_hw_blk *hw_blk);
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};
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/**
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* struct sde_hw_blk - definition of hardware block object
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* @list: list of hardware blocks
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* @type: hardware block type
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* @id: instance id
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* @refcount: reference/usage count
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*/
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struct sde_hw_blk {
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struct list_head list;
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u32 type;
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int id;
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atomic_t refcount;
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struct sde_hw_blk_ops ops;
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};
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int sde_hw_blk_init(struct sde_hw_blk *hw_blk, u32 type, int id,
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struct sde_hw_blk_ops *ops);
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void sde_hw_blk_destroy(struct sde_hw_blk *hw_blk);
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struct sde_hw_blk *sde_hw_blk_get(struct sde_hw_blk *hw_blk, u32 type, int id);
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void sde_hw_blk_put(struct sde_hw_blk *hw_blk);
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#endif /*_SDE_HW_BLK_H */
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