LXR linux/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
  15struct 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 */
  25struct img_ir_priv_raw {
  26        struct rc_dev           *rdev;
  27        struct timer_list       timer;
  28        u32                     last_status;
  29};
  30
  31static inline bool img_ir_raw_enabled(struct img_ir_priv_raw *raw)
  32{
  33        return raw->rdev;
  34};
  35
  36void img_ir_isr_raw(struct img_ir_priv *priv, u32 irq_status);
  37void img_ir_setup_raw(struct img_ir_priv *priv);
  38int img_ir_probe_raw(struct img_ir_priv *priv);
  39void img_ir_remove_raw(struct img_ir_priv *priv);
  40
  41#else
  42
  43struct img_ir_priv_raw {
  44};
  45static inline bool img_ir_raw_enabled(struct img_ir_priv_raw *raw)
  46{
  47        return false;
  48};
  49static inline void img_ir_isr_raw(struct img_ir_priv *priv, u32 irq_status)
  50{
  51}
  52static inline void img_ir_setup_raw(struct img_ir_priv *priv)
  53{
  54}
  55static inline int img_ir_probe_raw(struct img_ir_priv *priv)
  56{
  57        return -ENODEV;
  58}
  59static 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