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PS/2 keyboard Scancode Set 3 support

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The following patch adds PS/2 keyboard Scancode Set 3 support.

Signed-off-by: Roy Tam <roytam@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Roy Tam 2011-02-21 08:06:32 +08:00 committed by Aurelien Jarno
parent 92cdfaeb61
commit 7096a96db2
1 changed files with 27 additions and 13 deletions
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40
hw/ps2.c
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@ -110,14 +110,24 @@ typedef struct {
/* Table to convert from PC scancodes to raw scancodes. */
static const unsigned char ps2_raw_keycode[128] = {
0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13,
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3,
11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105,
114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63,
71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111,
19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110
0, 118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85, 102, 13,
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27,
35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42,
50, 49, 58, 65, 73, 74, 89, 124, 17, 41, 88, 5, 6, 4, 12, 3,
11, 2, 10, 1, 9, 119, 126, 108, 117, 125, 123, 107, 115, 116, 121, 105,
114, 122, 112, 113, 127, 96, 97, 120, 7, 15, 23, 31, 39, 47, 55, 63,
71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87, 111,
19, 25, 57, 81, 83, 92, 95, 98, 99, 100, 101, 103, 104, 106, 109, 110
};
static const unsigned char ps2_raw_keycode_set3[128] = {
0, 8, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85, 102, 13,
21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 17, 28, 27,
35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 92, 26, 34, 33, 42,
50, 49, 58, 65, 73, 74, 89, 126, 25, 41, 20, 7, 15, 23, 31, 39,
47, 2, 63, 71, 79, 118, 95, 108, 117, 125, 132, 107, 115, 116, 124, 105,
114, 122, 112, 113, 127, 96, 97, 86, 94, 15, 23, 31, 39, 47, 55, 63,
71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87, 111,
19, 25, 57, 81, 83, 92, 95, 98, 99, 100, 101, 103, 104, 106, 109, 110
};
void ps2_queue(void *opaque, int b)
@ -143,12 +153,16 @@ static void ps2_put_keycode(void *opaque, int keycode)
{
PS2KbdState *s = opaque;
/* XXX: add support for scancode sets 1 and 3 */
if (!s->translate && keycode < 0xe0 && s->scancode_set == 2)
{
if (keycode & 0x80)
/* XXX: add support for scancode set 1 */
if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) {
if (keycode & 0x80) {
ps2_queue(&s->common, 0xf0);
keycode = ps2_raw_keycode[keycode & 0x7f];
}
if (s->scancode_set == 2) {
keycode = ps2_raw_keycode[keycode & 0x7f];
} else if (s->scancode_set == 3) {
keycode = ps2_raw_keycode_set3[keycode & 0x7f];
}
}
ps2_queue(&s->common, keycode);
}