77b7422d48
Instead of having one big file with lots of keytables, create one include file for each IR keymap. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
151 lines
4.3 KiB
C
151 lines
4.3 KiB
C
/*
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* Remote Controller core header
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*
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* Copyright (C) 2009-2010 by Mauro Carvalho Chehab <mchehab@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _IR_CORE
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#define _IR_CORE
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#include <linux/input.h>
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#include <linux/spinlock.h>
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#include <linux/kfifo.h>
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#include <linux/time.h>
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#include <linux/timer.h>
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extern int ir_core_debug;
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#define IR_dprintk(level, fmt, arg...) if (ir_core_debug >= level) \
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printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)
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#define IR_TYPE_UNKNOWN 0
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#define IR_TYPE_RC5 (1 << 0) /* Philips RC5 protocol */
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#define IR_TYPE_PD (1 << 1) /* Pulse distance encoded IR */
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#define IR_TYPE_NEC (1 << 2)
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#define IR_TYPE_OTHER (((u64)1) << 63l)
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enum raw_event_type {
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IR_SPACE = (1 << 0),
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IR_PULSE = (1 << 1),
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IR_START_EVENT = (1 << 2),
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IR_STOP_EVENT = (1 << 3),
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};
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struct ir_scancode {
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u16 scancode;
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u32 keycode;
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};
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struct ir_scancode_table {
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struct ir_scancode *scan;
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int size;
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u64 ir_type;
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char *name;
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spinlock_t lock;
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};
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struct ir_dev_props {
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unsigned long allowed_protos;
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void *priv;
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int (*change_protocol)(void *priv, u64 ir_type);
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int (*open)(void *priv);
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void (*close)(void *priv);
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};
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struct ir_raw_event {
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struct timespec delta; /* Time spent before event */
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enum raw_event_type type; /* event type */
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};
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struct ir_raw_event_ctrl {
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struct kfifo kfifo; /* fifo for the pulse/space events */
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struct timespec last_event; /* when last event occurred */
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struct timer_list timer_keyup; /* timer for key release */
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};
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struct ir_input_dev {
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struct device dev; /* device */
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char *driver_name; /* Name of the driver module */
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struct ir_scancode_table rc_tab; /* scan/key table */
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unsigned long devno; /* device number */
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const struct ir_dev_props *props; /* Device properties */
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struct ir_raw_event_ctrl *raw; /* for raw pulse/space events */
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/* key info - needed by IR keycode handlers */
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u32 keycode; /* linux key code */
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int keypressed; /* current state */
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};
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struct ir_raw_handler {
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struct list_head list;
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int (*decode)(struct input_dev *input_dev,
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struct ir_raw_event *evs,
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int len);
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int (*raw_register)(struct input_dev *input_dev);
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int (*raw_unregister)(struct input_dev *input_dev);
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};
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#define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr)
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#define IR_KEYTABLE(a) \
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ir_codes_ ## a ## _table
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#define DECLARE_IR_KEYTABLE(a) \
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extern struct ir_scancode_table IR_KEYTABLE(a)
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#define DEFINE_IR_KEYTABLE(tabname, type) \
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struct ir_scancode_table IR_KEYTABLE(tabname) = { \
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.scan = tabname, \
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.size = ARRAY_SIZE(tabname), \
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.ir_type = type, \
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.name = #tabname, \
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}; \
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EXPORT_SYMBOL_GPL(IR_KEYTABLE(tabname))
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#define DEFINE_LEGACY_IR_KEYTABLE(tabname) \
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DEFINE_IR_KEYTABLE(tabname, IR_TYPE_UNKNOWN)
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/* Routines from ir-keytable.c */
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u32 ir_g_keycode_from_table(struct input_dev *input_dev,
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u32 scancode);
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void ir_keyup(struct input_dev *dev);
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void ir_keydown(struct input_dev *dev, int scancode);
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int ir_input_register(struct input_dev *dev,
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const struct ir_scancode_table *ir_codes,
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const struct ir_dev_props *props,
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const char *driver_name);
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void ir_input_unregister(struct input_dev *input_dev);
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/* Routines from ir-sysfs.c */
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int ir_register_class(struct input_dev *input_dev);
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void ir_unregister_class(struct input_dev *input_dev);
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/* Routines from ir-raw-event.c */
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int ir_raw_event_register(struct input_dev *input_dev);
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void ir_raw_event_unregister(struct input_dev *input_dev);
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int ir_raw_event_store(struct input_dev *input_dev, enum raw_event_type type);
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int ir_raw_event_handle(struct input_dev *input_dev);
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int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler);
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void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler);
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void ir_raw_init(void);
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/* from ir-nec-decoder.c */
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#ifdef CONFIG_IR_NEC_DECODER_MODULE
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#define load_nec_decode() request_module("ir-nec-decoder")
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#else
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#define load_nec_decode() 0
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#endif
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#endif /* _IR_CORE */
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