diff options
author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2007-11-24 19:46:45 +0100 |
---|---|---|
committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2007-11-25 23:28:49 +0100 |
commit | 16b195c82a18cbfd164800f17a1ef9db2e48331a (patch) | |
tree | 74f7d9fac88ccc0097706d3f37df0eb071da5309 /drivers/i8042.c | |
parent | e4558666293364fc3af1c1d9381ca933fa0f1275 (diff) | |
download | u-boot-imx-16b195c82a18cbfd164800f17a1ef9db2e48331a.zip u-boot-imx-16b195c82a18cbfd164800f17a1ef9db2e48331a.tar.gz u-boot-imx-16b195c82a18cbfd164800f17a1ef9db2e48331a.tar.bz2 |
drivers/input : move input drivers to drivers/input
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'drivers/i8042.c')
-rw-r--r-- | drivers/i8042.c | 674 |
1 files changed, 0 insertions, 674 deletions
diff --git a/drivers/i8042.c b/drivers/i8042.c deleted file mode 100644 index 22c2a4e..0000000 --- a/drivers/i8042.c +++ /dev/null @@ -1,674 +0,0 @@ -/* - * (C) Copyright 2002 ELTEC Elektronik AG - * Frank Gottschling <fgottschling@eltec.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* i8042.c - Intel 8042 keyboard driver routines */ - -/* includes */ - -#include <common.h> - -#ifdef CONFIG_I8042_KBD - -#ifdef CONFIG_USE_CPCIDVI -extern u8 gt_cpcidvi_in8(u32 offset); -extern void gt_cpcidvi_out8(u32 offset, u8 data); - -#define in8(a) gt_cpcidvi_in8(a) -#define out8(a, b) gt_cpcidvi_out8(a,b) -#endif - -#include <i8042.h> - -/* defines */ - -#ifdef CONFIG_CONSOLE_CURSOR -extern void console_cursor (int state); -static int blinkCount = CFG_CONSOLE_BLINK_COUNT; -static int cursor_state = 0; -#endif - -/* 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 = 0; /* unshift code */ - -static void kbd_conv_char (unsigned char scan_code); -static void kbd_led_set (void); -static void kbd_normal (unsigned char scan_code); -static void kbd_shift (unsigned char scan_code); -static void kbd_ctrl (unsigned char scan_code); -static void kbd_num (unsigned char scan_code); -static void kbd_caps (unsigned char scan_code); -static void kbd_scroll (unsigned char scan_code); -static void kbd_alt (unsigned char scan_code); -static int kbd_input_empty (void); -static int kbd_reset (void); - -static unsigned char kbd_fct_map [144] = - { /* kbd_fct_map table for scan code */ - 0, AS, AS, AS, AS, AS, AS, AS, /* scan 0- 7 */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 8- F */ - 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 0- 7 */ - '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ - '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 0- 7 */ - '&', '*', '(', ')', '_', '+', 0x08, '\t', /* scan 8- F */ - '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 0- 7 */ - 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ - 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 0- 7 */ - '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ - '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 0 - 7 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 8 - F */ - 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 0- 7 */ - '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ - '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 0- 7 */ - '/', '(', ')', '=', '?', '`', 0x08, '\t', /* scan 8- F */ - '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 0- 7 */ - 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ - 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 0- 7 */ - '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ - '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 0 - 7 */ - '{', '[', ']', '}', '\\', 0xff, 0xff, 0xff, /* scan 8 - F */ - '@', 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 unsigned char ext_key_map [] = - { - 0x1c, /* keypad enter */ - 0x1d, /* right control */ - 0x35, /* keypad slash */ - 0x37, /* print screen */ - 0x38, /* right alt */ - 0x46, /* break */ - 0x47, /* editpad home */ - 0x48, /* editpad up */ - 0x49, /* editpad pgup */ - 0x4b, /* editpad left */ - 0x4d, /* editpad right */ - 0x4f, /* editpad end */ - 0x50, /* editpad dn */ - 0x51, /* editpad pgdn */ - 0x52, /* editpad ins */ - 0x53, /* editpad del */ - 0x00 /* map end */ - }; - -/******************************************************************************* - * - * i8042_kbd_init - reset keyboard and init state flags - */ -int i8042_kbd_init (void) -{ - int keymap, try; - char *penv; - -#ifdef CONFIG_USE_CPCIDVI - if ((penv = getenv ("console")) != NULL) { - if (strncmp (penv, "serial", 7) == 0) { - return -1; - } - } -#endif - /* Init keyboard device (default US layout) */ - keymap = KBD_US; - if ((penv = getenv ("keymap")) != NULL) - { - if (strncmp (penv, "de", 3) == 0) - keymap = KBD_GER; - } - - for (try = 0; try < KBD_RESET_TRIES; try++) - { - if (kbd_reset() == 0) - { - kbd_mapping = keymap; - kbd_flags = NORMAL; - kbd_state = 0; - kbd_led_set(); - return 0; - } - } - return -1; -} - - -/******************************************************************************* - * - * i8042_tstc - test if keyboard input is available - * option: cursor blinking if called in a loop - */ -int i8042_tstc (void) -{ - unsigned char scan_code = 0; - -#ifdef CONFIG_CONSOLE_CURSOR - if (--blinkCount == 0) - { - cursor_state ^= 1; - console_cursor (cursor_state); - blinkCount = CFG_CONSOLE_BLINK_COUNT; - udelay (10); - } -#endif - - if ((in8 (I8042_STATUS_REG) & 0x01) == 0) - return 0; - else - { - scan_code = in8 (I8042_DATA_REG); - if (scan_code == 0xfa) - return 0; - - kbd_conv_char(scan_code); - - if (kbd_input != -1) - return 1; - } - return 0; -} - - -/******************************************************************************* - * - * i8042_getc - wait till keyboard input is available - * option: turn on/off cursor while waiting - */ -int i8042_getc (void) -{ - int ret_chr; - unsigned char scan_code; - - while (kbd_input == -1) - { - while ((in8 (I8042_STATUS_REG) & 0x01) == 0) - { -#ifdef CONFIG_CONSOLE_CURSOR - if (--blinkCount==0) - { - cursor_state ^= 1; - console_cursor (cursor_state); - blinkCount = CFG_CONSOLE_BLINK_COUNT; - } - udelay (10); -#endif - } - - 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; -} - - -/******************************************************************************/ - -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 CP: kbd_caps (scan_code); - break; - case ST: kbd_scroll (scan_code); - break; - case AK: kbd_alt (scan_code); - break; - } - return; -} - - -/******************************************************************************/ - -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_caps (unsigned char scan_code) -{ - if ((kbd_flags & BRK) == NORMAL) - { - kbd_flags ^= CAPS; - kbd_led_set (); /* update keyboard LED */ - } -} - - -/******************************************************************************/ - -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 (); /* update keyboard LED */ - } -} - - -/******************************************************************************/ - -static void kbd_scroll (unsigned char scan_code) -{ - if ((kbd_flags & BRK) == NORMAL) - { - kbd_flags ^= STP; - kbd_led_set (); /* update keyboard LED */ - if (kbd_flags & STP) - kbd_input = 0x13; - else - kbd_input = 0x11; - } -} - -/******************************************************************************/ - -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_led_set (void) -{ - kbd_input_empty(); - out8 (I8042_DATA_REG, 0xed); /* SET LED command */ - kbd_input_empty(); - out8 (I8042_DATA_REG, (kbd_flags & 0x7)); /* LED bits only */ -} - - -/******************************************************************************/ - -static int kbd_input_empty (void) -{ - int kbdTimeout = KBD_TIMEOUT; - - /* wait for input buf empty */ - while ((in8 (I8042_STATUS_REG) & 0x02) && kbdTimeout--) - udelay(1000); - - return kbdTimeout; -} - -/******************************************************************************/ - -static int kbd_reset (void) -{ - if (kbd_input_empty() == 0) - return -1; - - out8 (I8042_DATA_REG, 0xff); - - udelay(250000); - - if (kbd_input_empty() == 0) - return -1; - -#ifdef CONFIG_USE_CPCIDVI - out8 (I8042_COMMAND_REG, 0x60); -#else - out8 (I8042_DATA_REG, 0x60); -#endif - - if (kbd_input_empty() == 0) - return -1; - - out8 (I8042_DATA_REG, 0x45); - - - if (kbd_input_empty() == 0) - return -1; - - out8 (I8042_COMMAND_REG, 0xae); - - if (kbd_input_empty() == 0) - return -1; - - return 0; -} - -#endif /* CONFIG_I8042_KBD */ |