linux/include/media/ir-core.h

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/*
* Remote Controller core header
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _IR_CORE
#define _IR_CORE
#include <linux/input.h>
#include <linux/spinlock.h>
extern int ir_core_debug;
#define IR_dprintk(level, fmt, arg...) if (ir_core_debug >= level) \
printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)
#define IR_TYPE_UNKNOWN 0
#define IR_TYPE_RC5 (1 << 0) /* Philips RC5 protocol */
#define IR_TYPE_PD (1 << 1) /* Pulse distance encoded IR */
#define IR_TYPE_NEC (1 << 2)
#define IR_TYPE_OTHER (((u64)1) << 63l)
struct ir_scancode {
u16 scancode;
u32 keycode;
};
struct ir_scancode_table {
struct ir_scancode *scan;
int size;
u64 ir_type;
spinlock_t lock;
};
struct ir_dev_props {
unsigned long allowed_protos;
void *priv;
int (*change_protocol)(void *priv, u64 ir_type);
};
struct ir_input_dev {
struct input_dev *dev; /* Input device*/
struct ir_scancode_table rc_tab; /* scan/key table */
unsigned long devno; /* device number */
struct attribute_group attr; /* IR attributes */
struct device *class_dev; /* virtual class dev */
const struct ir_dev_props *props; /* Device properties */
};
#define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr)
/* Routines from ir-keytable.c */
u32 ir_g_keycode_from_table(struct input_dev *input_dev,
u32 scancode);
int ir_input_register(struct input_dev *dev,
const struct ir_scancode_table *ir_codes,
const struct ir_dev_props *props);
void ir_input_unregister(struct input_dev *input_dev);
/* Routines from ir-sysfs.c */
int ir_register_class(struct input_dev *input_dev);
void ir_unregister_class(struct input_dev *input_dev);
#endif