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Ignore whitespace Rev 1873 → Rev 1874

/trunk/uspace/kbd/arch/ia32/src/kbd.c
41,6 → 41,7
#include <unistd.h>
#include <kbd.h>
#include <keys.h>
#include <genarch/kbd.h>
 
/* Interesting bits for status register */
#define i8042_OUTPUT_FULL 0x1
62,199 → 63,11
#define MOUSE_OUT_INIT 0xf4
#define MOUSE_ACK 0xfa
 
 
#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[2] = {
{ CMD_PORT_READ_1, (void *)0x64, 0, 1 },
{ CMD_PORT_READ_1, (void *)0x60, 0, 2 }
265,121 → 78,6
i8042_cmds
};
 
static void 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 void 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;
}
}
 
 
static void wait_ready(void) {
while (i8042_status_read() & i8042_INPUT_FULL)
;
461,12 → 159,10
int scan_code = IPC_GET_ARG2(*call);
if (scan_code != IGNORE_CODE) {
if (scan_code & KEY_RELEASE)
key_released(keybuffer, scan_code ^ KEY_RELEASE);
else
key_pressed(keybuffer, scan_code);
}
if (scan_code & KEY_RELEASE)
key_released(keybuffer, scan_code ^ KEY_RELEASE);
else
key_pressed(keybuffer, scan_code);
return 1;
}
 
473,4 → 169,3
/**
* @}
*/