70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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* linux-3.10/drivers/media/platform/sunxi-vin/utility/vin_io.h
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*
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* Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*
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******************************************************************************
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*
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* vfe_io.h
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*
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* Hawkview ISP - vfe_io.h module
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*
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* Copyright (c) 2014 by Allwinnertech Co., Ltd. http://www.allwinnertech.com
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*
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* Version Author Date Description
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*
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* 2.0 Yang Feng 2014/07/14 Second Version
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*
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******************************************************************************
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*/
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#ifndef _VFE_IO_H_
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#define _VFE_IO_H_
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#include <linux/io.h>
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#include <linux/types.h>
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static inline u32 vin_reg_readl(volatile void __iomem *addr)
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{
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return readl(addr);
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}
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static inline void vin_reg_writel(volatile void __iomem *addr, u32 reg_value)
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{
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writel(reg_value, addr);
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}
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static inline void vin_reg_clr(volatile void __iomem *reg, u32 clr_bits)
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{
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u32 v = vin_reg_readl(reg);
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vin_reg_writel(reg, v & ~clr_bits);
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}
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static inline void vin_reg_set(volatile void __iomem *reg, u32 set_bits)
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{
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u32 v = vin_reg_readl(reg);
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vin_reg_writel(reg, v | set_bits);
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}
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/*
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* clr_bits for mask
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*/
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static inline
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void vin_reg_clr_set(volatile void __iomem *reg, u32 clr_bits, u32 set_bits)
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{
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u32 v = vin_reg_readl(reg);
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vin_reg_writel(reg, (v & ~clr_bits) | (set_bits & clr_bits));
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}
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#endif /*_VFE_IO_H_*/
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