drivers/gpu/drm/zte/zx_drm_drv.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2016 Linaro Ltd.
   4  * Copyright 2016 ZTE Corporation.
   5  */
   6
   7 #ifndef __ZX_DRM_DRV_H__
   8 #define __ZX_DRM_DRV_H__
   9
  10 extern struct platform_driver zx_crtc_driver;
  11 extern struct platform_driver zx_hdmi_driver;
  12 extern struct platform_driver zx_tvenc_driver;
  13 extern struct platform_driver zx_vga_driver;
  14
  15 static inline u32 zx_readl(void __iomem *reg)
  16 {
  17         return readl_relaxed(reg);
  18 }
  19
  20 static inline void zx_writel(void __iomem *reg, u32 val)
  21 {
  22         writel_relaxed(val, reg);
  23 }
  24
  25 static inline void zx_writel_mask(void __iomem *reg, u32 mask, u32 val)
  26 {
  27         u32 tmp;
  28
  29         tmp = zx_readl(reg);
  30         tmp = (tmp & ~mask) | (val & mask);
  31         zx_writel(reg, tmp);
  32 }
  33
  34 #endif /* __ZX_DRM_DRV_H__ */