WebSVN – HelenOS-historic – Diff – /uspace/trunk/kbd/arch/ia32/src/kbd.c


/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * Copyright (C) 2006 Josef Cejka
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <arch/kbd.h>
#include <ipc/ipc.h>
 
#define SPECIAL     255
#define KEY_RELEASE 0x80
 
/**
 * These codes read from i8042 data register are silently ignored.
 */
#define IGNORE_CODE 0x7f
 
#define PRESSED_SHIFT       (1<<0)
#define PRESSED_CAPSLOCK    (1<<1)
#define LOCKED_CAPSLOCK     (1<<0)
 
/** Scancodes. */
#define SC_ESC      0x01
#define SC_BACKSPACE    0x0e
#define SC_LSHIFT   0x2a
#define SC_RSHIFT   0x36
#define SC_CAPSLOCK 0x3a
#define SC_SPEC_ESCAPE  0xe0
#define SC_LEFTARR      0x4b
#define SC_RIGHTARR     0x4d
#define SC_UPARR        0x48
#define SC_DOWNARR      0x50
#define SC_DELETE       0x53
#define SC_HOME         0x47
#define SC_END          0x4f
 
#define FUNCTION_KEYS 0x100
 
static volatile int keyflags;       /**< Tracking of multiple keypresses. */
static volatile int lockflags;      /**< Tracking of multiple keys lockings. */
 
/** Primary meaning of scancodes. */
static int sc_primary_map[] = {
    SPECIAL, /* 0x00 */
    SPECIAL, /* 0x01 - Esc */
    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',
    '\b', /* 0x0e - Backspace */
    '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
    SPECIAL, /* 0x1d - LCtrl */
    'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'',
    '`',
    SPECIAL, /* 0x2a - LShift */
    '\\',
    'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',
    SPECIAL, /* 0x36 - RShift */
    '*',
    SPECIAL, /* 0x38 - LAlt */
    ' ',
    SPECIAL, /* 0x3a - CapsLock */
    (FUNCTION_KEYS | 1), /* 0x3b - F1 */
    (FUNCTION_KEYS | 2), /* 0x3c - F2 */
    (FUNCTION_KEYS | 3), /* 0x3d - F3 */
    (FUNCTION_KEYS | 4), /* 0x3e - F4 */
    (FUNCTION_KEYS | 5), /* 0x3f - F5 */
    (FUNCTION_KEYS | 6), /* 0x40 - F6 */
    (FUNCTION_KEYS | 7), /* 0x41 - F7 */
    (FUNCTION_KEYS | 8), /* 0x42 - F8 */
    (FUNCTION_KEYS | 9), /* 0x43 - F9 */
    (FUNCTION_KEYS | 10), /* 0x44 - F10 */
    SPECIAL, /* 0x45 - NumLock */
    SPECIAL, /* 0x46 - ScrollLock */
    '7', '8', '9', '-',
    '4', '5', '6', '+',
    '1', '2', '3',
    '0', '.',
    SPECIAL, /* 0x54 - Alt-SysRq */
    SPECIAL, /* 0x55 - F11/F12/PF1/FN */
    SPECIAL, /* 0x56 - unlabelled key next to LAlt */
    (FUNCTION_KEYS | 11), /* 0x57 - F11 */
    (FUNCTION_KEYS | 12), /* 0x58 - F12 */
    SPECIAL, /* 0x59 */
    SPECIAL, /* 0x5a */
    SPECIAL, /* 0x5b */
    SPECIAL, /* 0x5c */
    SPECIAL, /* 0x5d */
    SPECIAL, /* 0x5e */
    SPECIAL, /* 0x5f */
    SPECIAL, /* 0x60 */
    SPECIAL, /* 0x61 */
    SPECIAL, /* 0x62 */
    SPECIAL, /* 0x63 */
    SPECIAL, /* 0x64 */
    SPECIAL, /* 0x65 */
    SPECIAL, /* 0x66 */
    SPECIAL, /* 0x67 */
    SPECIAL, /* 0x68 */
    SPECIAL, /* 0x69 */
    SPECIAL, /* 0x6a */
    SPECIAL, /* 0x6b */
    SPECIAL, /* 0x6c */
    SPECIAL, /* 0x6d */
    SPECIAL, /* 0x6e */
    SPECIAL, /* 0x6f */
    SPECIAL, /* 0x70 */
    SPECIAL, /* 0x71 */
    SPECIAL, /* 0x72 */
    SPECIAL, /* 0x73 */
    SPECIAL, /* 0x74 */
    SPECIAL, /* 0x75 */
    SPECIAL, /* 0x76 */
    SPECIAL, /* 0x77 */
    SPECIAL, /* 0x78 */
    SPECIAL, /* 0x79 */
    SPECIAL, /* 0x7a */
    SPECIAL, /* 0x7b */
    SPECIAL, /* 0x7c */
    SPECIAL, /* 0x7d */
    SPECIAL, /* 0x7e */
    SPECIAL, /* 0x7f */
};
 
/** Secondary meaning of scancodes. */
static int sc_secondary_map[] = {
    SPECIAL, /* 0x00 */
    0x1b, /* 0x01 - Esc */
    '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',
    SPECIAL, /* 0x0e - Backspace */
    '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',
    SPECIAL, /* 0x1d - LCtrl */
    'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"',
    '~',
    SPECIAL, /* 0x2a - LShift */
    '|',
    'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?',
    SPECIAL, /* 0x36 - RShift */
    '*',
    SPECIAL, /* 0x38 - LAlt */
    ' ',
    SPECIAL, /* 0x3a - CapsLock */
    SPECIAL, /* 0x3b - F1 */
    SPECIAL, /* 0x3c - F2 */
    SPECIAL, /* 0x3d - F3 */
    SPECIAL, /* 0x3e - F4 */
    SPECIAL, /* 0x3f - F5 */
    SPECIAL, /* 0x40 - F6 */
    SPECIAL, /* 0x41 - F7 */
    SPECIAL, /* 0x42 - F8 */
    SPECIAL, /* 0x43 - F9 */
    SPECIAL, /* 0x44 - F10 */
    SPECIAL, /* 0x45 - NumLock */
    SPECIAL, /* 0x46 - ScrollLock */
    '7', '8', '9', '-',
    '4', '5', '6', '+',
    '1', '2', '3',
    '0', '.',
    SPECIAL, /* 0x54 - Alt-SysRq */
    SPECIAL, /* 0x55 - F11/F12/PF1/FN */
    SPECIAL, /* 0x56 - unlabelled key next to LAlt */
    SPECIAL, /* 0x57 - F11 */
    SPECIAL, /* 0x58 - F12 */
    SPECIAL, /* 0x59 */
    SPECIAL, /* 0x5a */
    SPECIAL, /* 0x5b */
    SPECIAL, /* 0x5c */
    SPECIAL, /* 0x5d */
    SPECIAL, /* 0x5e */
    SPECIAL, /* 0x5f */
    SPECIAL, /* 0x60 */
    SPECIAL, /* 0x61 */
    SPECIAL, /* 0x62 */
    SPECIAL, /* 0x63 */
    SPECIAL, /* 0x64 */
    SPECIAL, /* 0x65 */
    SPECIAL, /* 0x66 */
    SPECIAL, /* 0x67 */
    SPECIAL, /* 0x68 */
    SPECIAL, /* 0x69 */
    SPECIAL, /* 0x6a */
    SPECIAL, /* 0x6b */
    SPECIAL, /* 0x6c */
    SPECIAL, /* 0x6d */
    SPECIAL, /* 0x6e */
    SPECIAL, /* 0x6f */
    SPECIAL, /* 0x70 */
    SPECIAL, /* 0x71 */
    SPECIAL, /* 0x72 */
    SPECIAL, /* 0x73 */
    SPECIAL, /* 0x74 */
    SPECIAL, /* 0x75 */
    SPECIAL, /* 0x76 */
    SPECIAL, /* 0x77 */
    SPECIAL, /* 0x78 */
    SPECIAL, /* 0x79 */
    SPECIAL, /* 0x7a */
    SPECIAL, /* 0x7b */
    SPECIAL, /* 0x7c */
    SPECIAL, /* 0x7d */
    SPECIAL, /* 0x7e */
    SPECIAL, /* 0x7f */
};
 
irq_cmd_t i8042_cmds[1] = {
    { CMD_PORT_READ_1, (void *)0x60, 0 }
};
 
irq_code_t i8042_kbd = {
    1,
    i8042_cmds
};
 
static int key_released(keybuffer_t *keybuffer, unsigned char key)
{
    switch (key) {
        case SC_LSHIFT:
        case SC_RSHIFT:
            keyflags &= ~PRESSED_SHIFT;
            break;
        case SC_CAPSLOCK:
            keyflags &= ~PRESSED_CAPSLOCK;
            if (lockflags & LOCKED_CAPSLOCK)
                lockflags &= ~LOCKED_CAPSLOCK;
                else
                lockflags |= LOCKED_CAPSLOCK;
            break;
        default:
            break;
    }
}
 
static int key_pressed(keybuffer_t *keybuffer, unsigned char key)
{
    int *map = sc_primary_map;
    int ascii = sc_primary_map[key];
    int shift, capslock;
    int letter = 0;
 
    static int esc_count=0;
 
   
    if ( key == SC_ESC ) {
        esc_count++;
        if ( esc_count == 3 ) {
            __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
        }  
    } else {
        esc_count=0;
    }
   
   
 
    switch (key) {
        case SC_LSHIFT:
        case SC_RSHIFT:
                keyflags |= PRESSED_SHIFT;
            break;
        case SC_CAPSLOCK:
            keyflags |= PRESSED_CAPSLOCK;
            break;
        case SC_SPEC_ESCAPE:
            break;
    /*  case SC_LEFTARR:
            if (keybuffer_available(keybuffer) >= 3) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x5b);   
                keybuffer_push(keybuffer, 0x44);   
            }
            break;
        case SC_RIGHTARR:
            if (keybuffer_available(keybuffer) >= 3) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x5b);   
                keybuffer_push(keybuffer, 0x43);   
            }
            break;
        case SC_UPARR:
            if (keybuffer_available(keybuffer) >= 3) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x5b);   
                keybuffer_push(keybuffer, 0x41);   
            }
            break;
        case SC_DOWNARR:
            if (keybuffer_available(keybuffer) >= 3) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x5b);   
                keybuffer_push(keybuffer, 0x42);   
            }
            break;
        case SC_HOME:
            if (keybuffer_available(keybuffer) >= 3) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x4f);   
                keybuffer_push(keybuffer, 0x48);   
            }
            break;
        case SC_END:
            if (keybuffer_available(keybuffer) >= 3) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x4f);   
                keybuffer_push(keybuffer, 0x46);   
            }
            break;
        case SC_DELETE:
            if (keybuffer_available(keybuffer) >= 4) {
                keybuffer_push(keybuffer, 0x1b);   
                keybuffer_push(keybuffer, 0x5b);   
                keybuffer_push(keybuffer, 0x33);   
                keybuffer_push(keybuffer, 0x7e);   
            }
            break;
    */  default:
                letter = ((ascii >= 'a') && (ascii <= 'z'));
            capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
            shift = keyflags & PRESSED_SHIFT;
            if (letter && capslock)
                shift = !shift;
            if (shift)
                map = sc_secondary_map;
            if (map[key] != SPECIAL)
                keybuffer_push(keybuffer, map[key]);   
            break;
    }
}
 
/** Register uspace irq handler
 * @return
 */
int kbd_arch_init(void)
{
    return !(ipc_register_irq(1, &i8042_kbd));
}
 
int kbd_arch_process(keybuffer_t *keybuffer, int scan_code)
{
    if (scan_code != IGNORE_CODE) {
        if (scan_code & KEY_RELEASE)
            key_released(keybuffer, scan_code ^ KEY_RELEASE);
        else
            key_pressed(keybuffer, scan_code);
    }
    return  1;
}
 

Rev 1603	Rev 1644
1	/*	1	/*
2	* Copyright (C) 2001-2004 Jakub Jermar	2	* Copyright (C) 2001-2004 Jakub Jermar
3	* Copyright (C) 2006 Josef Cejka	3	* Copyright (C) 2006 Josef Cejka
4	* All rights reserved.	4	* All rights reserved.
5	*	5	*
6	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
8	* are met:	8	* are met:
9	*	9	*
10	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
12	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
15	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
17	*	17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	28	*/
29		29
30	#include <arch/kbd.h>	30	#include <arch/kbd.h>
31	#include <ipc/ipc.h>	31	#include <ipc/ipc.h>
32		32
33	#define SPECIAL 255	33	#define SPECIAL 255
34	#define KEY_RELEASE 0x80	34	#define KEY_RELEASE 0x80
35		35
36	/**	36	/**
37	* These codes read from i8042 data register are silently ignored.	37	* These codes read from i8042 data register are silently ignored.
38	*/	38	*/
39	#define IGNORE_CODE 0x7f	39	#define IGNORE_CODE 0x7f
40		40
41	#define PRESSED_SHIFT (1<<0)	41	#define PRESSED_SHIFT (1<<0)
42	#define PRESSED_CAPSLOCK (1<<1)	42	#define PRESSED_CAPSLOCK (1<<1)
43	#define LOCKED_CAPSLOCK (1<<0)	43	#define LOCKED_CAPSLOCK (1<<0)
44		44
45	/** Scancodes. */	45	/** Scancodes. */
46	#define SC_ESC 0x01	46	#define SC_ESC 0x01
47	#define SC_BACKSPACE 0x0e	47	#define SC_BACKSPACE 0x0e
48	#define SC_LSHIFT 0x2a	48	#define SC_LSHIFT 0x2a
49	#define SC_RSHIFT 0x36	49	#define SC_RSHIFT 0x36
50	#define SC_CAPSLOCK 0x3a	50	#define SC_CAPSLOCK 0x3a
51	#define SC_SPEC_ESCAPE 0xe0	51	#define SC_SPEC_ESCAPE 0xe0
52	#define SC_LEFTARR 0x4b	52	#define SC_LEFTARR 0x4b
53	#define SC_RIGHTARR 0x4d	53	#define SC_RIGHTARR 0x4d
54	#define SC_UPARR 0x48	54	#define SC_UPARR 0x48
55	#define SC_DOWNARR 0x50	55	#define SC_DOWNARR 0x50
56	#define SC_DELETE 0x53	56	#define SC_DELETE 0x53
57	#define SC_HOME 0x47	57	#define SC_HOME 0x47
58	#define SC_END 0x4f	58	#define SC_END 0x4f
59		59
60	#define FUNCTION_KEYS 0x100	60	#define FUNCTION_KEYS 0x100
61		61
62	static volatile int keyflags; /*< Tracking of multiple keypresses. /	62	static volatile int keyflags; /*< Tracking of multiple keypresses. /
63	static volatile int lockflags; /*< Tracking of multiple keys lockings. /	63	static volatile int lockflags; /*< Tracking of multiple keys lockings. /
64		64
65	/** Primary meaning of scancodes. */	65	/** Primary meaning of scancodes. */
66	static int sc_primary_map[] = {	66	static int sc_primary_map[] = {
67	SPECIAL, /* 0x00 */	67	SPECIAL, /* 0x00 */
68	SPECIAL, /* 0x01 - Esc */	68	SPECIAL, /* 0x01 - Esc */
69	'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',	69	'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',
70	'\b', /* 0x0e - Backspace */	70	'\b', /* 0x0e - Backspace */
71	'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',	71	'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
72	SPECIAL, /* 0x1d - LCtrl */	72	SPECIAL, /* 0x1d - LCtrl */
73	'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'',	73	'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'',
74	'`',	74	'`',
75	SPECIAL, /* 0x2a - LShift */	75	SPECIAL, /* 0x2a - LShift */
76	'\\',	76	'\\',
77	'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',	77	'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',
78	SPECIAL, /* 0x36 - RShift */	78	SPECIAL, /* 0x36 - RShift */
79	'*',	79	'*',
80	SPECIAL, /* 0x38 - LAlt */	80	SPECIAL, /* 0x38 - LAlt */
81	' ',	81	' ',
82	SPECIAL, /* 0x3a - CapsLock */	82	SPECIAL, /* 0x3a - CapsLock */
83	(FUNCTION_KEYS \| 1), /* 0x3b - F1 */	83	(FUNCTION_KEYS \| 1), /* 0x3b - F1 */
84	(FUNCTION_KEYS \| 2), /* 0x3c - F2 */	84	(FUNCTION_KEYS \| 2), /* 0x3c - F2 */
85	(FUNCTION_KEYS \| 3), /* 0x3d - F3 */	85	(FUNCTION_KEYS \| 3), /* 0x3d - F3 */
86	(FUNCTION_KEYS \| 4), /* 0x3e - F4 */	86	(FUNCTION_KEYS \| 4), /* 0x3e - F4 */
87	(FUNCTION_KEYS \| 5), /* 0x3f - F5 */	87	(FUNCTION_KEYS \| 5), /* 0x3f - F5 */
88	(FUNCTION_KEYS \| 6), /* 0x40 - F6 */	88	(FUNCTION_KEYS \| 6), /* 0x40 - F6 */
89	(FUNCTION_KEYS \| 7), /* 0x41 - F7 */	89	(FUNCTION_KEYS \| 7), /* 0x41 - F7 */
90	(FUNCTION_KEYS \| 8), /* 0x42 - F8 */	90	(FUNCTION_KEYS \| 8), /* 0x42 - F8 */
91	(FUNCTION_KEYS \| 9), /* 0x43 - F9 */	91	(FUNCTION_KEYS \| 9), /* 0x43 - F9 */
92	(FUNCTION_KEYS \| 10), /* 0x44 - F10 */	92	(FUNCTION_KEYS \| 10), /* 0x44 - F10 */
93	SPECIAL, /* 0x45 - NumLock */	93	SPECIAL, /* 0x45 - NumLock */
94	SPECIAL, /* 0x46 - ScrollLock */	94	SPECIAL, /* 0x46 - ScrollLock */
95	'7', '8', '9', '-',	95	'7', '8', '9', '-',
96	'4', '5', '6', '+',	96	'4', '5', '6', '+',
97	'1', '2', '3',	97	'1', '2', '3',
98	'0', '.',	98	'0', '.',
99	SPECIAL, /* 0x54 - Alt-SysRq */	99	SPECIAL, /* 0x54 - Alt-SysRq */
100	SPECIAL, /* 0x55 - F11/F12/PF1/FN */	100	SPECIAL, /* 0x55 - F11/F12/PF1/FN */
101	SPECIAL, /* 0x56 - unlabelled key next to LAlt */	101	SPECIAL, /* 0x56 - unlabelled key next to LAlt */
102	(FUNCTION_KEYS \| 11), /* 0x57 - F11 */	102	(FUNCTION_KEYS \| 11), /* 0x57 - F11 */
103	(FUNCTION_KEYS \| 12), /* 0x58 - F12 */	103	(FUNCTION_KEYS \| 12), /* 0x58 - F12 */
104	SPECIAL, /* 0x59 */	104	SPECIAL, /* 0x59 */
105	SPECIAL, /* 0x5a */	105	SPECIAL, /* 0x5a */
106	SPECIAL, /* 0x5b */	106	SPECIAL, /* 0x5b */
107	SPECIAL, /* 0x5c */	107	SPECIAL, /* 0x5c */
108	SPECIAL, /* 0x5d */	108	SPECIAL, /* 0x5d */
109	SPECIAL, /* 0x5e */	109	SPECIAL, /* 0x5e */
110	SPECIAL, /* 0x5f */	110	SPECIAL, /* 0x5f */
111	SPECIAL, /* 0x60 */	111	SPECIAL, /* 0x60 */
112	SPECIAL, /* 0x61 */	112	SPECIAL, /* 0x61 */
113	SPECIAL, /* 0x62 */	113	SPECIAL, /* 0x62 */
114	SPECIAL, /* 0x63 */	114	SPECIAL, /* 0x63 */
115	SPECIAL, /* 0x64 */	115	SPECIAL, /* 0x64 */
116	SPECIAL, /* 0x65 */	116	SPECIAL, /* 0x65 */
117	SPECIAL, /* 0x66 */	117	SPECIAL, /* 0x66 */
118	SPECIAL, /* 0x67 */	118	SPECIAL, /* 0x67 */
119	SPECIAL, /* 0x68 */	119	SPECIAL, /* 0x68 */
120	SPECIAL, /* 0x69 */	120	SPECIAL, /* 0x69 */
121	SPECIAL, /* 0x6a */	121	SPECIAL, /* 0x6a */
122	SPECIAL, /* 0x6b */	122	SPECIAL, /* 0x6b */
123	SPECIAL, /* 0x6c */	123	SPECIAL, /* 0x6c */
124	SPECIAL, /* 0x6d */	124	SPECIAL, /* 0x6d */
125	SPECIAL, /* 0x6e */	125	SPECIAL, /* 0x6e */
126	SPECIAL, /* 0x6f */	126	SPECIAL, /* 0x6f */
127	SPECIAL, /* 0x70 */	127	SPECIAL, /* 0x70 */
128	SPECIAL, /* 0x71 */	128	SPECIAL, /* 0x71 */
129	SPECIAL, /* 0x72 */	129	SPECIAL, /* 0x72 */
130	SPECIAL, /* 0x73 */	130	SPECIAL, /* 0x73 */
131	SPECIAL, /* 0x74 */	131	SPECIAL, /* 0x74 */
132	SPECIAL, /* 0x75 */	132	SPECIAL, /* 0x75 */
133	SPECIAL, /* 0x76 */	133	SPECIAL, /* 0x76 */
134	SPECIAL, /* 0x77 */	134	SPECIAL, /* 0x77 */
135	SPECIAL, /* 0x78 */	135	SPECIAL, /* 0x78 */
136	SPECIAL, /* 0x79 */	136	SPECIAL, /* 0x79 */
137	SPECIAL, /* 0x7a */	137	SPECIAL, /* 0x7a */
138	SPECIAL, /* 0x7b */	138	SPECIAL, /* 0x7b */
139	SPECIAL, /* 0x7c */	139	SPECIAL, /* 0x7c */
140	SPECIAL, /* 0x7d */	140	SPECIAL, /* 0x7d */
141	SPECIAL, /* 0x7e */	141	SPECIAL, /* 0x7e */
142	SPECIAL, /* 0x7f */	142	SPECIAL, /* 0x7f */
143	};	143	};
144		144
145	/** Secondary meaning of scancodes. */	145	/** Secondary meaning of scancodes. */
146	static int sc_secondary_map[] = {	146	static int sc_secondary_map[] = {
147	SPECIAL, /* 0x00 */	147	SPECIAL, /* 0x00 */
148	SPECIAL, /* 0x01 - Esc */	148	0x1b, /* 0x01 - Esc */
149	'!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',	149	'!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',
150	SPECIAL, /* 0x0e - Backspace */	150	SPECIAL, /* 0x0e - Backspace */
151	'\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',	151	'\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',
152	SPECIAL, /* 0x1d - LCtrl */	152	SPECIAL, /* 0x1d - LCtrl */
153	'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"',	153	'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"',
154	'~',	154	'~',
155	SPECIAL, /* 0x2a - LShift */	155	SPECIAL, /* 0x2a - LShift */
156	'\|',	156	'\|',
157	'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?',	157	'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?',
158	SPECIAL, /* 0x36 - RShift */	158	SPECIAL, /* 0x36 - RShift */
159	'*',	159	'*',
160	SPECIAL, /* 0x38 - LAlt */	160	SPECIAL, /* 0x38 - LAlt */
161	' ',	161	' ',
162	SPECIAL, /* 0x3a - CapsLock */	162	SPECIAL, /* 0x3a - CapsLock */
163	SPECIAL, /* 0x3b - F1 */	163	SPECIAL, /* 0x3b - F1 */
164	SPECIAL, /* 0x3c - F2 */	164	SPECIAL, /* 0x3c - F2 */
165	SPECIAL, /* 0x3d - F3 */	165	SPECIAL, /* 0x3d - F3 */
166	SPECIAL, /* 0x3e - F4 */	166	SPECIAL, /* 0x3e - F4 */
167	SPECIAL, /* 0x3f - F5 */	167	SPECIAL, /* 0x3f - F5 */
168	SPECIAL, /* 0x40 - F6 */	168	SPECIAL, /* 0x40 - F6 */
169	SPECIAL, /* 0x41 - F7 */	169	SPECIAL, /* 0x41 - F7 */
170	SPECIAL, /* 0x42 - F8 */	170	SPECIAL, /* 0x42 - F8 */
171	SPECIAL, /* 0x43 - F9 */	171	SPECIAL, /* 0x43 - F9 */
172	SPECIAL, /* 0x44 - F10 */	172	SPECIAL, /* 0x44 - F10 */
173	SPECIAL, /* 0x45 - NumLock */	173	SPECIAL, /* 0x45 - NumLock */
174	SPECIAL, /* 0x46 - ScrollLock */	174	SPECIAL, /* 0x46 - ScrollLock */
175	'7', '8', '9', '-',	175	'7', '8', '9', '-',
176	'4', '5', '6', '+',	176	'4', '5', '6', '+',
177	'1', '2', '3',	177	'1', '2', '3',
178	'0', '.',	178	'0', '.',
179	SPECIAL, /* 0x54 - Alt-SysRq */	179	SPECIAL, /* 0x54 - Alt-SysRq */
180	SPECIAL, /* 0x55 - F11/F12/PF1/FN */	180	SPECIAL, /* 0x55 - F11/F12/PF1/FN */
181	SPECIAL, /* 0x56 - unlabelled key next to LAlt */	181	SPECIAL, /* 0x56 - unlabelled key next to LAlt */
182	SPECIAL, /* 0x57 - F11 */	182	SPECIAL, /* 0x57 - F11 */
183	SPECIAL, /* 0x58 - F12 */	183	SPECIAL, /* 0x58 - F12 */
184	SPECIAL, /* 0x59 */	184	SPECIAL, /* 0x59 */
185	SPECIAL, /* 0x5a */	185	SPECIAL, /* 0x5a */
186	SPECIAL, /* 0x5b */	186	SPECIAL, /* 0x5b */
187	SPECIAL, /* 0x5c */	187	SPECIAL, /* 0x5c */
188	SPECIAL, /* 0x5d */	188	SPECIAL, /* 0x5d */
189	SPECIAL, /* 0x5e */	189	SPECIAL, /* 0x5e */
190	SPECIAL, /* 0x5f */	190	SPECIAL, /* 0x5f */
191	SPECIAL, /* 0x60 */	191	SPECIAL, /* 0x60 */
192	SPECIAL, /* 0x61 */	192	SPECIAL, /* 0x61 */
193	SPECIAL, /* 0x62 */	193	SPECIAL, /* 0x62 */
194	SPECIAL, /* 0x63 */	194	SPECIAL, /* 0x63 */
195	SPECIAL, /* 0x64 */	195	SPECIAL, /* 0x64 */
196	SPECIAL, /* 0x65 */	196	SPECIAL, /* 0x65 */
197	SPECIAL, /* 0x66 */	197	SPECIAL, /* 0x66 */
198	SPECIAL, /* 0x67 */	198	SPECIAL, /* 0x67 */
199	SPECIAL, /* 0x68 */	199	SPECIAL, /* 0x68 */
200	SPECIAL, /* 0x69 */	200	SPECIAL, /* 0x69 */
201	SPECIAL, /* 0x6a */	201	SPECIAL, /* 0x6a */
202	SPECIAL, /* 0x6b */	202	SPECIAL, /* 0x6b */
203	SPECIAL, /* 0x6c */	203	SPECIAL, /* 0x6c */
204	SPECIAL, /* 0x6d */	204	SPECIAL, /* 0x6d */
205	SPECIAL, /* 0x6e */	205	SPECIAL, /* 0x6e */
206	SPECIAL, /* 0x6f */	206	SPECIAL, /* 0x6f */
207	SPECIAL, /* 0x70 */	207	SPECIAL, /* 0x70 */
208	SPECIAL, /* 0x71 */	208	SPECIAL, /* 0x71 */
209	SPECIAL, /* 0x72 */	209	SPECIAL, /* 0x72 */
210	SPECIAL, /* 0x73 */	210	SPECIAL, /* 0x73 */
211	SPECIAL, /* 0x74 */	211	SPECIAL, /* 0x74 */
212	SPECIAL, /* 0x75 */	212	SPECIAL, /* 0x75 */
213	SPECIAL, /* 0x76 */	213	SPECIAL, /* 0x76 */
214	SPECIAL, /* 0x77 */	214	SPECIAL, /* 0x77 */
215	SPECIAL, /* 0x78 */	215	SPECIAL, /* 0x78 */
216	SPECIAL, /* 0x79 */	216	SPECIAL, /* 0x79 */
217	SPECIAL, /* 0x7a */	217	SPECIAL, /* 0x7a */
218	SPECIAL, /* 0x7b */	218	SPECIAL, /* 0x7b */
219	SPECIAL, /* 0x7c */	219	SPECIAL, /* 0x7c */
220	SPECIAL, /* 0x7d */	220	SPECIAL, /* 0x7d */
221	SPECIAL, /* 0x7e */	221	SPECIAL, /* 0x7e */
222	SPECIAL, /* 0x7f */	222	SPECIAL, /* 0x7f */
223	};	223	};
224		224
225	irq_cmd_t i8042_cmds[1] = {	225	irq_cmd_t i8042_cmds[1] = {
226	{ CMD_PORT_READ_1, (void *)0x60, 0 }	226	{ CMD_PORT_READ_1, (void *)0x60, 0 }
227	};	227	};
228		228
229	irq_code_t i8042_kbd = {	229	irq_code_t i8042_kbd = {
230	1,	230	1,
231	i8042_cmds	231	i8042_cmds
232	};	232	};
233		233
234	static int key_released(keybuffer_t *keybuffer, unsigned char key)	234	static int key_released(keybuffer_t *keybuffer, unsigned char key)
235	{	235	{
236	switch (key) {	236	switch (key) {
237	case SC_LSHIFT:	237	case SC_LSHIFT:
238	case SC_RSHIFT:	238	case SC_RSHIFT:
239	keyflags &= ~PRESSED_SHIFT;	239	keyflags &= ~PRESSED_SHIFT;
240	break;	240	break;
241	case SC_CAPSLOCK:	241	case SC_CAPSLOCK:
242	keyflags &= ~PRESSED_CAPSLOCK;	242	keyflags &= ~PRESSED_CAPSLOCK;
243	if (lockflags & LOCKED_CAPSLOCK)	243	if (lockflags & LOCKED_CAPSLOCK)
244	lockflags &= ~LOCKED_CAPSLOCK;	244	lockflags &= ~LOCKED_CAPSLOCK;
245	else	245	else
246	lockflags \|= LOCKED_CAPSLOCK;	246	lockflags \|= LOCKED_CAPSLOCK;
247	break;	247	break;
248	default:	248	default:
249	break;	249	break;
250	}	250	}
251	}	251	}
252		252
253	static int key_pressed(keybuffer_t *keybuffer, unsigned char key)	253	static int key_pressed(keybuffer_t *keybuffer, unsigned char key)
254	{	254	{
255	int *map = sc_primary_map;	255	int *map = sc_primary_map;
256	int ascii = sc_primary_map[key];	256	int ascii = sc_primary_map[key];
257	int shift, capslock;	257	int shift, capslock;
258	int letter = 0;	258	int letter = 0;
259		259
-		260	static int esc_count=0;
-		261
-		262
-		263	if ( key == SC_ESC ) {
-		264	esc_count++;
-		265	if ( esc_count == 3 ) {
-		266	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
-		267	}
-		268	} else {
-		269	esc_count=0;
-		270	}
-		271
-		272
-		273
260	switch (key) {	274	switch (key) {
261	case SC_LSHIFT:	275	case SC_LSHIFT:
262	case SC_RSHIFT:	276	case SC_RSHIFT:
263	keyflags \|= PRESSED_SHIFT;	277	keyflags \|= PRESSED_SHIFT;
264	break;	278	break;
265	case SC_CAPSLOCK:	279	case SC_CAPSLOCK:
266	keyflags \|= PRESSED_CAPSLOCK;	280	keyflags \|= PRESSED_CAPSLOCK;
267	break;	281	break;
268	case SC_SPEC_ESCAPE:	282	case SC_SPEC_ESCAPE:
269	break;	283	break;
270	/* case SC_LEFTARR:	284	/* case SC_LEFTARR:
271	if (keybuffer_available(keybuffer) >= 3) {	285	if (keybuffer_available(keybuffer) >= 3) {
272	keybuffer_push(keybuffer, 0x1b);	286	keybuffer_push(keybuffer, 0x1b);
273	keybuffer_push(keybuffer, 0x5b);	287	keybuffer_push(keybuffer, 0x5b);
274	keybuffer_push(keybuffer, 0x44);	288	keybuffer_push(keybuffer, 0x44);
275	}	289	}
276	break;	290	break;
277	case SC_RIGHTARR:	291	case SC_RIGHTARR:
278	if (keybuffer_available(keybuffer) >= 3) {	292	if (keybuffer_available(keybuffer) >= 3) {
279	keybuffer_push(keybuffer, 0x1b);	293	keybuffer_push(keybuffer, 0x1b);
280	keybuffer_push(keybuffer, 0x5b);	294	keybuffer_push(keybuffer, 0x5b);
281	keybuffer_push(keybuffer, 0x43);	295	keybuffer_push(keybuffer, 0x43);
282	}	296	}
283	break;	297	break;
284	case SC_UPARR:	298	case SC_UPARR:
285	if (keybuffer_available(keybuffer) >= 3) {	299	if (keybuffer_available(keybuffer) >= 3) {
286	keybuffer_push(keybuffer, 0x1b);	300	keybuffer_push(keybuffer, 0x1b);
287	keybuffer_push(keybuffer, 0x5b);	301	keybuffer_push(keybuffer, 0x5b);
288	keybuffer_push(keybuffer, 0x41);	302	keybuffer_push(keybuffer, 0x41);
289	}	303	}
290	break;	304	break;
291	case SC_DOWNARR:	305	case SC_DOWNARR:
292	if (keybuffer_available(keybuffer) >= 3) {	306	if (keybuffer_available(keybuffer) >= 3) {
293	keybuffer_push(keybuffer, 0x1b);	307	keybuffer_push(keybuffer, 0x1b);
294	keybuffer_push(keybuffer, 0x5b);	308	keybuffer_push(keybuffer, 0x5b);
295	keybuffer_push(keybuffer, 0x42);	309	keybuffer_push(keybuffer, 0x42);
296	}	310	}
297	break;	311	break;
298	case SC_HOME:	312	case SC_HOME:
299	if (keybuffer_available(keybuffer) >= 3) {	313	if (keybuffer_available(keybuffer) >= 3) {
300	keybuffer_push(keybuffer, 0x1b);	314	keybuffer_push(keybuffer, 0x1b);
301	keybuffer_push(keybuffer, 0x4f);	315	keybuffer_push(keybuffer, 0x4f);
302	keybuffer_push(keybuffer, 0x48);	316	keybuffer_push(keybuffer, 0x48);
303	}	317	}
304	break;	318	break;
305	case SC_END:	319	case SC_END:
306	if (keybuffer_available(keybuffer) >= 3) {	320	if (keybuffer_available(keybuffer) >= 3) {
307	keybuffer_push(keybuffer, 0x1b);	321	keybuffer_push(keybuffer, 0x1b);
308	keybuffer_push(keybuffer, 0x4f);	322	keybuffer_push(keybuffer, 0x4f);
309	keybuffer_push(keybuffer, 0x46);	323	keybuffer_push(keybuffer, 0x46);
310	}	324	}
311	break;	325	break;
312	case SC_DELETE:	326	case SC_DELETE:
313	if (keybuffer_available(keybuffer) >= 4) {	327	if (keybuffer_available(keybuffer) >= 4) {
314	keybuffer_push(keybuffer, 0x1b);	328	keybuffer_push(keybuffer, 0x1b);
315	keybuffer_push(keybuffer, 0x5b);	329	keybuffer_push(keybuffer, 0x5b);
316	keybuffer_push(keybuffer, 0x33);	330	keybuffer_push(keybuffer, 0x33);
317	keybuffer_push(keybuffer, 0x7e);	331	keybuffer_push(keybuffer, 0x7e);
318	}	332	}
319	break;	333	break;
320	*/ default:	334	*/ default:
321	letter = ((ascii >= 'a') && (ascii <= 'z'));	335	letter = ((ascii >= 'a') && (ascii <= 'z'));
322	capslock = (keyflags & PRESSED_CAPSLOCK) \|\| (lockflags & LOCKED_CAPSLOCK);	336	capslock = (keyflags & PRESSED_CAPSLOCK) \|\| (lockflags & LOCKED_CAPSLOCK);
323	shift = keyflags & PRESSED_SHIFT;	337	shift = keyflags & PRESSED_SHIFT;
324	if (letter && capslock)	338	if (letter && capslock)
325	shift = !shift;	339	shift = !shift;
326	if (shift)	340	if (shift)
327	map = sc_secondary_map;	341	map = sc_secondary_map;
328	if (map[key] != SPECIAL)	342	if (map[key] != SPECIAL)
329	keybuffer_push(keybuffer, map[key]);	343	keybuffer_push(keybuffer, map[key]);
330	break;	344	break;
331	}	345	}
332	}	346	}
333		347
334	/** Register uspace irq handler	348	/** Register uspace irq handler
335	* @return	349	* @return
336	*/	350	*/
337	int kbd_arch_init(void)	351	int kbd_arch_init(void)
338	{	352	{
339	return !(ipc_register_irq(1, &i8042_kbd));	353	return !(ipc_register_irq(1, &i8042_kbd));
340	}	354	}
341		355
342	int kbd_arch_process(keybuffer_t *keybuffer, int scan_code)	356	int kbd_arch_process(keybuffer_t *keybuffer, int scan_code)
343	{	357	{
344	if (scan_code != IGNORE_CODE) {	358	if (scan_code != IGNORE_CODE) {
345	if (scan_code & KEY_RELEASE)	359	if (scan_code & KEY_RELEASE)
346	key_released(keybuffer, scan_code ^ KEY_RELEASE);	360	key_released(keybuffer, scan_code ^ KEY_RELEASE);
347	else	361	else
348	key_pressed(keybuffer, scan_code);	362	key_pressed(keybuffer, scan_code);
349	}	363	}
350	return 1;	364	return 1;
351	}	365	}
352		366

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(root)/uspace/trunk/kbd/arch/ia32/src/kbd.c – Rev 1603 → 1644