LXR linux/include/media/rcar-fcp.h

   1/*
   2 * rcar-fcp.h  --  R-Car Frame Compression Processor Driver
   3 *
   4 * Copyright (C) 2016 Renesas Electronics Corporation
   5 *
   6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 */
  13#ifndef __MEDIA_RCAR_FCP_H__
  14#define __MEDIA_RCAR_FCP_H__
  15
  16struct device_node;
  17struct rcar_fcp_device;
  18
  19#if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
  20struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
  21void rcar_fcp_put(struct rcar_fcp_device *fcp);
  22struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
  23int rcar_fcp_enable(struct rcar_fcp_device *fcp);
  24void rcar_fcp_disable(struct rcar_fcp_device *fcp);
  25#else
  26static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
  27{
  28        return ERR_PTR(-ENOENT);
  29}
  30static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
  31static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
  32{
  33        return NULL;
  34}
  35static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
  36{
  37        return 0;
  38}
  39static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { }
  40#endif
  41
  42#endif /* __MEDIA_RCAR_FCP_H__ */
  43