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)
enum ir_type {
IR_TYPE_UNKNOWN = 0,
IR_TYPE_RC5 = 1L << 0, /* Philips RC5 protocol */
IR_TYPE_PD = 1L << 1, /* Pulse distance encoded IR */
IR_TYPE_NEC = 1L << 2,
IR_TYPE_OTHER = 1L << 63,
};
struct ir_scancode {
u16 scancode;
u32 keycode;
};
struct ir_scancode_table {
struct ir_scancode *scan;
int size;
enum ir_type ir_type;
spinlock_t lock;
};
struct ir_dev_props {
unsigned long allowed_protos;
void *priv;
int (*change_protocol)(void *priv, unsigned long protocol);
};
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 */
};
/* Routines from ir-keytable.c */
u32 ir_g_keycode_from_table(struct input_dev *input_dev,
u32 scancode);
int ir_set_keycode_table(struct input_dev *input_dev,
struct ir_scancode_table *rc_tab);
int ir_roundup_tablesize(int n_elems);
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