79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
/* Sunxi Remote Controller
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*
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* keymap imported from ir-keymaps.c
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*
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* Copyright (c) 2014 by allwinnertech
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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; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <media/rc-map.h>
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#include "sunxi-ir-rx.h"
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/*It is used for sunxi legacy ir addr mapping in kernel mode*/
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#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
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static u32 match_addr[MAX_ADDR_NUM];
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static u32 match_num;
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#endif
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static struct rc_map_table sunxi_nec_scan[] = {
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{ KEY_ESC, KEY_ESC },
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};
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#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
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static u32 sunxi_key_mapping(u32 code)
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{
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u32 i;
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for (i = 0; i < match_num; i++) {
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if (match_addr[i] == ((code >> 8) & 0xffffUL))
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return code;
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}
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return KEY_RESERVED;
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}
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#endif
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static struct rc_map_list sunxi_map = {
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.map = {
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.scan = sunxi_nec_scan,
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.size = ARRAY_SIZE(sunxi_nec_scan),
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#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
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.mapping = (void *)sunxi_key_mapping,
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#endif
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.rc_type = RC_TYPE_NEC, /* Legacy IR type */
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.name = RC_MAP_SUNXI,
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}
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};
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#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
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static void init_addr(u32 *addr, u32 addr_num)
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{
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u32 *temp_addr = match_addr;
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if (addr_num > MAX_ADDR_NUM)
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addr_num = MAX_ADDR_NUM;
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match_num = addr_num;
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while (addr_num--)
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*temp_addr++ = (*addr++)&0xffffUL;
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}
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#endif
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#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
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int init_sunxi_ir_map_ext(void *addr, int num)
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{
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init_addr(addr, num);
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return rc_map_register(&sunxi_map);
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}
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#else
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int init_sunxi_ir_map(void)
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{
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return rc_map_register(&sunxi_map);
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}
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#endif
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void exit_sunxi_ir_map(void)
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{
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rc_map_unregister(&sunxi_map);
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}
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