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0a886f5952
It adds the initial ZTE VOU display controller DRM driver. There are still some features to be added, like overlay plane, scaling, and more output devices support. But it's already useful with dual CRTCs and HDMI monitor working. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
36 lines
777 B
C
36 lines
777 B
C
/*
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* Copyright 2016 Linaro Ltd.
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* Copyright 2016 ZTE Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __ZX_DRM_DRV_H__
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#define __ZX_DRM_DRV_H__
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extern struct platform_driver zx_crtc_driver;
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extern struct platform_driver zx_hdmi_driver;
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static inline u32 zx_readl(void __iomem *reg)
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{
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return readl_relaxed(reg);
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}
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static inline void zx_writel(void __iomem *reg, u32 val)
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{
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writel_relaxed(val, reg);
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}
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static inline void zx_writel_mask(void __iomem *reg, u32 mask, u32 val)
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{
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u32 tmp;
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tmp = zx_readl(reg);
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tmp = (tmp & ~mask) | (val & mask);
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zx_writel(reg, tmp);
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}
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#endif /* __ZX_DRM_DRV_H__ */
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