LXR linux/drivers/gpu/drm/zte/zx_drm

   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
  10extern struct platform_driver zx_crtc_driver;
  11extern struct platform_driver zx_hdmi_driver;
  12extern struct platform_driver zx_tvenc_driver;
  13extern struct platform_driver zx_vga_driver;
  14
  15static inline u32 zx_readl(void __iomem *reg)
  16{
  17        return readl_relaxed(reg);
  18}
  19
  20static inline void zx_writel(void __iomem *reg, u32 val)
  21{
  22        writel_relaxed(val, reg);
  23}
  24
  25static 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__ */
  35