xref: /openbmc/linux/include/media/rcar-fcp.h (revision 1de2e6b3)
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