drivers/media/rc/img-ir/img-ir-raw.h

   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_ */