include/media/rcar-fcp.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002 /*
0003  * rcar-fcp.h  --  R-Car Frame Compression Processor Driver
0004  *
0005  * Copyright (C) 2016 Renesas Electronics Corporation
0006  *
0007  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
0008  */
0009 #ifndef __MEDIA_RCAR_FCP_H__
0010 #define __MEDIA_RCAR_FCP_H__
0011
0012 struct device_node;
0013 struct rcar_fcp_device;
0014
0015 #if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
0016 struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
0017 void rcar_fcp_put(struct rcar_fcp_device *fcp);
0018 struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
0019 int rcar_fcp_enable(struct rcar_fcp_device *fcp);
0020 void rcar_fcp_disable(struct rcar_fcp_device *fcp);
0021 #else
0022 static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
0023 {
0024     return ERR_PTR(-ENOENT);
0025 }
0026 static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
0027 static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
0028 {
0029     return NULL;
0030 }
0031 static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
0032 {
0033     return 0;
0034 }
0035 static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { }
0036 #endif
0037
0038 #endif /* __MEDIA_RCAR_FCP_H__ */