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
  16 struct device_node;
  17 struct rcar_fcp_device;
  18
  19 #if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
  20 struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
  21 void rcar_fcp_put(struct rcar_fcp_device *fcp);
  22 int rcar_fcp_enable(struct rcar_fcp_device *fcp);
  23 void rcar_fcp_disable(struct rcar_fcp_device *fcp);
  24 #else
  25 static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
  26 {
  27         return ERR_PTR(-ENOENT);
  28 }
  29 static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
  30 static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
  31 {
  32         return 0;
  33 }
  34 static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { }
  35 #endif
  36
  37 #endif /* __MEDIA_RCAR_FCP_H__ */