1  /* SPDX-License-Identifier: GPL-2.0+ */
2  /*
3   * rcar-fcp.h  --  R-Car Frame Compression Processor Driver
4   *
5   * Copyright (C) 2016 Renesas Electronics Corporation
6   *
7   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8   */
9  #ifndef __MEDIA_RCAR_FCP_H__
10  #define __MEDIA_RCAR_FCP_H__
11  
12  struct device_node;
13  struct rcar_fcp_device;
14  
15  #if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
16  struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
17  void rcar_fcp_put(struct rcar_fcp_device *fcp);
18  struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
19  int rcar_fcp_enable(struct rcar_fcp_device *fcp);
20  void rcar_fcp_disable(struct rcar_fcp_device *fcp);
21  #else
rcar_fcp_get(const struct device_node * np)22  static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
23  {
24  	return ERR_PTR(-ENOENT);
25  }
rcar_fcp_put(struct rcar_fcp_device * fcp)26  static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
rcar_fcp_get_device(struct rcar_fcp_device * fcp)27  static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
28  {
29  	return NULL;
30  }
rcar_fcp_enable(struct rcar_fcp_device * fcp)31  static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
32  {
33  	return 0;
34  }
rcar_fcp_disable(struct rcar_fcp_device * fcp)35  static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { }
36  #endif
37  
38  #endif /* __MEDIA_RCAR_FCP_H__ */
39