1 /*
2  * Copyright 2016 Linaro Ltd.
3  * Copyright 2016 ZTE Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  */
10 
11 #ifndef __ZX_DRM_DRV_H__
12 #define __ZX_DRM_DRV_H__
13 
14 extern struct platform_driver zx_crtc_driver;
15 extern struct platform_driver zx_hdmi_driver;
16 extern struct platform_driver zx_tvenc_driver;
17 extern struct platform_driver zx_vga_driver;
18 
zx_readl(void __iomem * reg)19 static inline u32 zx_readl(void __iomem *reg)
20 {
21 	return readl_relaxed(reg);
22 }
23 
zx_writel(void __iomem * reg,u32 val)24 static inline void zx_writel(void __iomem *reg, u32 val)
25 {
26 	writel_relaxed(val, reg);
27 }
28 
zx_writel_mask(void __iomem * reg,u32 mask,u32 val)29 static inline void zx_writel_mask(void __iomem *reg, u32 mask, u32 val)
30 {
31 	u32 tmp;
32 
33 	tmp = zx_readl(reg);
34 	tmp = (tmp & ~mask) | (val & mask);
35 	zx_writel(reg, tmp);
36 }
37 
38 #endif /* __ZX_DRM_DRV_H__ */
39