tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Remote Controller core header
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#ifndef _IR_CORE
15#define _IR_CORE
16
17#include <linux/input.h>
18#include <linux/spinlock.h>
19
20extern int ir_core_debug;
21#define IR_dprintk(level, fmt, arg...) if (ir_core_debug >= level) \
22 printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)
23
24#define IR_TYPE_UNKNOWN 0
25#define IR_TYPE_RC5 (1 << 0) /* Philips RC5 protocol */
26#define IR_TYPE_PD (1 << 1) /* Pulse distance encoded IR */
27#define IR_TYPE_NEC (1 << 2)
28#define IR_TYPE_OTHER (((u64)1) << 63l)
29
30struct ir_scancode {
31 u16 scancode;
32 u32 keycode;
33};
34
35struct ir_scancode_table {
36 struct ir_scancode *scan;
37 int size;
38 u64 ir_type;
39 spinlock_t lock;
40};
41
42struct ir_dev_props {
43 unsigned long allowed_protos;
44 void *priv;
45 int (*change_protocol)(void *priv, u64 ir_type);
46};
47
48
49struct ir_input_dev {
50 struct input_dev *dev; /* Input device*/
51 struct ir_scancode_table rc_tab; /* scan/key table */
52 unsigned long devno; /* device number */
53 struct attribute_group attr; /* IR attributes */
54 struct device *class_dev; /* virtual class dev */
55 const struct ir_dev_props *props; /* Device properties */
56};
57#define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr)
58
59/* Routines from ir-keytable.c */
60
61u32 ir_g_keycode_from_table(struct input_dev *input_dev,
62 u32 scancode);
63
64int ir_input_register(struct input_dev *dev,
65 const struct ir_scancode_table *ir_codes,
66 const struct ir_dev_props *props);
67void ir_input_unregister(struct input_dev *input_dev);
68
69/* Routines from ir-sysfs.c */
70
71int ir_register_class(struct input_dev *input_dev);
72void ir_unregister_class(struct input_dev *input_dev);
73
74#endif