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path: root/drivers/input/i8042.c
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Diffstat (limited to 'drivers/input/i8042.c')
-rw-r--r--drivers/input/i8042.c493
1 files changed, 69 insertions, 424 deletions
diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c
index b1ada867e40..270805be60f 100644
--- a/drivers/input/i8042.c
+++ b/drivers/input/i8042.c
@@ -7,251 +7,18 @@
/* i8042.c - Intel 8042 keyboard driver routines */
-/* includes */
-
#include <common.h>
-#include <asm/io.h>
#include <i8042.h>
+#include <input.h>
+#include <asm/io.h>
/* defines */
#define in8(p) inb(p)
#define out8(p, v) outb(v, p)
/* locals */
-
-static int kbd_input = -1; /* no input yet */
-static int kbd_mapping = KBD_US; /* default US keyboard */
-static int kbd_flags = NORMAL; /* after reset */
-static int kbd_state; /* unshift code */
-
-static unsigned char kbd_fct_map[144] = {
- /* kbd_fct_map table for scan code */
- 0, AS, AS, AS, AS, AS, AS, AS, /* scan 00-07 */
- AS, AS, AS, AS, AS, AS, AS, AS, /* scan 08-0F */
- AS, AS, AS, AS, AS, AS, AS, AS, /* scan 10-17 */
- AS, AS, AS, AS, AS, CN, AS, AS, /* scan 18-1F */
- AS, AS, AS, AS, AS, AS, AS, AS, /* scan 20-27 */
- AS, AS, SH, AS, AS, AS, AS, AS, /* scan 28-2F */
- AS, AS, AS, AS, AS, AS, SH, AS, /* scan 30-37 */
- AS, AS, CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, ES, /* scan 40-47 */
- ES, ES, ES, ES, ES, ES, ES, ES, /* scan 48-4F */
- ES, ES, ES, ES, 0, 0, AS, 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- AS, 0, 0, AS, 0, 0, AS, 0, /* scan 70-77 */
- 0, AS, 0, 0, 0, AS, 0, 0, /* scan 78-7F */
- AS, CN, AS, AS, AK, ST, EX, EX, /* enhanced */
- AS, EX, EX, AS, EX, AS, EX, EX /* enhanced */
- };
-
-static unsigned char kbd_key_map[2][5][144] = {
- { /* US keyboard */
- { /* unshift code */
- 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 00-07 */
- '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 08-0F */
- 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */
- 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */
- 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */
- '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */
- 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */
- ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */
- '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */
- 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */
- },
- { /* shift code */
- 0, 0x1b, '!', '@', '#', '$', '%', '^', /* scan 00-07 */
- '&', '*', '(', ')', '_', '+', 0x08, '\t', /* scan 08-0F */
- 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', /* scan 10-17 */
- 'O', 'P', '{', '}', '\r', CN, 'A', 'S', /* scan 18-1F */
- 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* scan 20-27 */
- '"', '~', SH, '|', 'Z', 'X', 'C', 'V', /* scan 28-2F */
- 'B', 'N', 'M', '<', '>', '?', SH, '*', /* scan 30-37 */
- ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */
- '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */
- 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */
- },
- { /* control code */
- 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 00-07 */
- 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 08-0F */
- 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */
- 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */
- 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */
- 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */
- 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */
- 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
- 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */
- },
- { /* non numeric code */
- 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 00-07 */
- '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 08-0F */
- 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */
- 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */
- 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */
- '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */
- 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */
- ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */
- 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */
- 'r', 's', 'p', 'n', 0, 0, 0, 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */
- 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */
- },
- { /* right alt mode - not used in US keyboard */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 00-07 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 08-0F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10-17 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 18-1F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20-27 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28-2F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30-37 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40-47 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */
- }
- },
- { /* German keyboard */
- { /* unshift code */
- 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 00-07 */
- '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 08-0F */
- 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */
- 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */
- 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */
- 0x84, '^', SH, '#', 'y', 'x', 'c', 'v', /* scan 28-2F */
- 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */
- ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */
- '2', '3', '0', ',', 0, 0, '<', 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */
- 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */
- },
- { /* shift code */
- 0, 0x1b, '!', '"', 0x15, '$', '%', '&', /* scan 00-07 */
- '/', '(', ')', '=', '?', '`', 0x08, '\t', /* scan 08-0F */
- 'Q', 'W', 'E', 'R', 'T', 'Z', 'U', 'I', /* scan 10-17 */
- 'O', 'P', 0x9a, '*', '\r', CN, 'A', 'S', /* scan 18-1F */
- 'D', 'F', 'G', 'H', 'J', 'K', 'L', 0x99, /* scan 20-27 */
- 0x8e, 0xf8, SH, '\'', 'Y', 'X', 'C', 'V', /* scan 28-2F */
- 'B', 'N', 'M', ';', ':', '_', SH, '*', /* scan 30-37 */
- ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */
- '2', '3', '0', ',', 0, 0, '>', 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */
- 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */
- },
- { /* control code */
- 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 00-07 */
- 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 08-0F */
- 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */
- 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */
- 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */
- 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */
- 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */
- 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
- 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */
- },
- { /* non numeric code */
- 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 00-07 */
- '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 08-0F */
- 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */
- 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */
- 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */
- 0x84, '^', SH, 0, 'y', 'x', 'c', 'v', /* scan 28-2F */
- 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */
- ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */
- 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */
- 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */
- 'r', 's', 'p', 'n', 0, 0, '<', 0, /* scan 50-57 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */
- '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */
- 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */
- },
- { /* right alt mode - is used in German keyboard */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 00-07 */
- '{', '[', ']', '}', '\\', 0xff, 0xff, 0xff, /* scan 08-0F */
- '@', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10-17 */
- 0xff, 0xff, 0xff, '~', 0xff, 0xff, 0xff, 0xff, /* scan 18-1F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20-27 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28-2F */
- 0xff, 0xff, 0xe6, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30-37 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40-47 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '|', 0xff, /* scan 50-57 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */
- }
- }
- };
+static struct input_config config;
+static bool extended;
static unsigned char ext_key_map[] = {
0x1c, /* keypad enter */
@@ -293,157 +60,12 @@ static int kbd_output_full(void)
return kbd_timeout != -1;
}
-static void kbd_led_set(void)
+static void kbd_led_set(int flags)
{
kbd_input_empty();
out8(I8042_DATA_REG, CMD_SET_KBD_LED);
kbd_input_empty();
- out8(I8042_DATA_REG, (kbd_flags & 0x7));
-}
-
-static void kbd_normal(unsigned char scan_code)
-{
- unsigned char chr;
-
- if ((kbd_flags & BRK) == NORMAL) {
- chr = kbd_key_map[kbd_mapping][kbd_state][scan_code];
- if ((chr == 0xff) || (chr == 0x00))
- return;
-
- /* if caps lock convert upper to lower */
- if (((kbd_flags & CAPS) == CAPS) &&
- (chr >= 'a' && chr <= 'z')) {
- chr -= 'a' - 'A';
- }
- kbd_input = chr;
- }
-}
-
-static void kbd_shift(unsigned char scan_code)
-{
- if ((kbd_flags & BRK) == BRK) {
- kbd_state = AS;
- kbd_flags &= (~SHIFT);
- } else {
- kbd_state = SH;
- kbd_flags |= SHIFT;
- }
-}
-
-static void kbd_ctrl(unsigned char scan_code)
-{
- if ((kbd_flags & BRK) == BRK) {
- kbd_state = AS;
- kbd_flags &= (~CTRL);
- } else {
- kbd_state = CN;
- kbd_flags |= CTRL;
- }
-}
-
-static void kbd_num(unsigned char scan_code)
-{
- if ((kbd_flags & BRK) == NORMAL) {
- kbd_flags ^= NUM;
- kbd_state = (kbd_flags & NUM) ? AS : NM;
- kbd_led_set();
- }
-}
-
-static void kbd_alt(unsigned char scan_code)
-{
- if ((kbd_flags & BRK) == BRK) {
- kbd_state = AS;
- kbd_flags &= (~ALT);
- } else {
- kbd_state = AK;
- kbd_flags &= ALT;
- }
-}
-
-static void kbd_caps(unsigned char scan_code)
-{
- if ((kbd_flags & BRK) == NORMAL) {
- kbd_flags ^= CAPS;
- kbd_led_set();
- }
-}
-
-static void kbd_scroll(unsigned char scan_code)
-{
- if ((kbd_flags & BRK) == NORMAL) {
- kbd_flags ^= STP;
- kbd_led_set();
- if (kbd_flags & STP)
- kbd_input = 0x13;
- else
- kbd_input = 0x11;
- }
-}
-
-static void kbd_conv_char(unsigned char scan_code)
-{
- if (scan_code == 0xe0) {
- kbd_flags |= EXT;
- return;
- }
-
- /* if high bit of scan_code, set break flag */
- if (scan_code & 0x80)
- kbd_flags |= BRK;
- else
- kbd_flags &= ~BRK;
-
- if ((scan_code == 0xe1) || (kbd_flags & E1)) {
- if (scan_code == 0xe1) {
- kbd_flags ^= BRK; /* reset the break flag */
- kbd_flags ^= E1; /* bitwise EXOR with E1 flag */
- }
- return;
- }
-
- scan_code &= 0x7f;
-
- if (kbd_flags & EXT) {
- int i;
-
- kbd_flags ^= EXT;
- for (i = 0; ext_key_map[i]; i++) {
- if (ext_key_map[i] == scan_code) {
- scan_code = 0x80 + i;
- break;
- }
- }
- /* not found ? */
- if (!ext_key_map[i])
- return;
- }
-
- switch (kbd_fct_map[scan_code]) {
- case AS:
- kbd_normal(scan_code);
- break;
- case SH:
- kbd_shift(scan_code);
- break;
- case CN:
- kbd_ctrl(scan_code);
- break;
- case NM:
- kbd_num(scan_code);
- break;
- case AK:
- kbd_alt(scan_code);
- break;
- case CP:
- kbd_caps(scan_code);
- break;
- case ST:
- kbd_scroll(scan_code);
- break;
- }
-
- return;
+ out8(I8042_DATA_REG, flags & 0x7);
}
static int kbd_write(int reg, int value)
@@ -566,11 +188,50 @@ int i8042_disable(void)
return 0;
}
+static int i8042_kbd_check(struct input_config *input)
+{
+ if ((in8(I8042_STS_REG) & STATUS_OBF) == 0) {
+ return 0;
+ } else {
+ bool release = false;
+ int scan_code;
+ int i;
+
+ scan_code = in8(I8042_DATA_REG);
+ if (scan_code == 0xfa) {
+ return 0;
+ } else if (scan_code == 0xe0) {
+ extended = true;
+ return 0;
+ }
+ if (scan_code & 0x80) {
+ scan_code &= 0x7f;
+ release = true;
+ }
+ if (extended) {
+ extended = false;
+ for (i = 0; ext_key_map[i]; i++) {
+ if (ext_key_map[i] == scan_code) {
+ scan_code = 0x60 + i;
+ break;
+ }
+ }
+ /* not found ? */
+ if (!ext_key_map[i])
+ return 0;
+ }
+
+ input_add_keycode(&config, scan_code, release);
+ return 1;
+ }
+}
+
/* i8042_kbd_init - reset keyboard and init state flags */
int i8042_kbd_init(void)
{
int keymap, try;
char *penv;
+ int ret;
if (!kbd_controller_present() || board_i8042_skip()) {
debug("i8042 keyboard controller is not present\n");
@@ -590,58 +251,42 @@ int i8042_kbd_init(void)
return -1;
}
- kbd_mapping = keymap;
- kbd_flags = NORMAL;
- kbd_state = 0;
- kbd_led_set();
+ ret = input_init(&config, keymap == KBD_GER);
+ if (ret)
+ return ret;
+ config.read_keys = i8042_kbd_check;
+ input_allow_repeats(&config, true);
+
+ kbd_led_set(NORMAL);
return 0;
}
-/*
- * i8042_tstc - test if keyboard input is available
+/**
+ * check_leds() - Check the keyboard LEDs and update them it needed
*
- * option: cursor blinking if called in a loop
+ * @ret: Value to return
+ * @return value of @ret
*/
-int i8042_tstc(struct stdio_dev *dev)
+static int check_leds(int ret)
{
- unsigned char scan_code = 0;
+ int leds;
- if ((in8(I8042_STS_REG) & STATUS_OBF) == 0) {
- return 0;
- } else {
- scan_code = in8(I8042_DATA_REG);
- if (scan_code == 0xfa)
- return 0;
-
- kbd_conv_char(scan_code);
+ leds = input_leds_changed(&config);
+ if (leds >= 0)
+ kbd_led_set(leds);
- if (kbd_input != -1)
- return 1;
- }
+ return ret;
+}
- return 0;
+/* i8042_tstc - test if keyboard input is available */
+int i8042_tstc(struct stdio_dev *dev)
+{
+ return check_leds(input_tstc(&config));
}
-/*
- * i8042_getc - wait till keyboard input is available
- *
- * option: turn on/off cursor while waiting
- */
+/* i8042_getc - wait till keyboard input is available */
int i8042_getc(struct stdio_dev *dev)
{
- int ret_chr;
- unsigned char scan_code;
-
- while (kbd_input == -1) {
- while ((in8(I8042_STS_REG) & STATUS_OBF) == 0) {
- }
- scan_code = in8(I8042_DATA_REG);
- if (scan_code != 0xfa)
- kbd_conv_char(scan_code);
- }
- ret_chr = kbd_input;
- kbd_input = -1;
-
- return ret_chr;
+ return check_leds(input_getc(&config));
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 14:57:39 +0000