xref: /linux/drivers/media/rc/img-ir/img-ir-raw.h (revision cc04a46f11ea046ed53e2c832ae29e4790f7e35f)
1 /*
2  * ImgTec IR Raw Decoder found in PowerDown Controller.
3  *
4  * Copyright 2010-2014 Imagination Technologies Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by the
8  * Free Software Foundation; either version 2 of the License, or (at your
9  * option) any later version.
10  */
11 
12 #ifndef _IMG_IR_RAW_H_
13 #define _IMG_IR_RAW_H_
14 
15 struct img_ir_priv;
16 
17 #ifdef CONFIG_IR_IMG_RAW
18 
19 /**
20  * struct img_ir_priv_raw - Private driver data for raw decoder.
21  * @rdev:		Raw remote control device
22  * @timer:		Timer to echo samples to keep soft decoders happy.
23  * @last_status:	Last raw status bits.
24  */
25 struct img_ir_priv_raw {
26 	struct rc_dev		*rdev;
27 	struct timer_list	timer;
28 	u32			last_status;
29 };
30 
31 static inline bool img_ir_raw_enabled(struct img_ir_priv_raw *raw)
32 {
33 	return raw->rdev;
34 };
35 
36 void img_ir_isr_raw(struct img_ir_priv *priv, u32 irq_status);
37 void img_ir_setup_raw(struct img_ir_priv *priv);
38 int img_ir_probe_raw(struct img_ir_priv *priv);
39 void img_ir_remove_raw(struct img_ir_priv *priv);
40 
41 #else
42 
43 struct img_ir_priv_raw {
44 };
45 static inline bool img_ir_raw_enabled(struct img_ir_priv_raw *raw)
46 {
47 	return false;
48 };
49 static inline void img_ir_isr_raw(struct img_ir_priv *priv, u32 irq_status)
50 {
51 }
52 static inline void img_ir_setup_raw(struct img_ir_priv *priv)
53 {
54 }
55 static inline int img_ir_probe_raw(struct img_ir_priv *priv)
56 {
57 	return -ENODEV;
58 }
59 static inline void img_ir_remove_raw(struct img_ir_priv *priv)
60 {
61 }
62 
63 #endif /* CONFIG_IR_IMG_RAW */
64 
65 #endif /* _IMG_IR_RAW_H_ */
66