diff options
author | Patrick Rudolph <siro@das-labor.org> | 2017-03-01 19:43:14 +0100 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2018-05-15 11:20:30 +0000 |
commit | 9d22172558b802d7ed45bfc37496acf73dcc281d (patch) | |
tree | 6d33317940d4f445d4e857f80e79c5ec964c2a63 /payloads/libpayload/drivers/keyboard.c | |
parent | e6a3821b97bdbe817646f3b151ace7d4471c2fab (diff) |
libpayload-x86: Move keyboard.c
Move keyboard.c into i8042 folder.
Change-Id: Idd30a9082e48a451d9fe5ead3f3dda4e6396b50c
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/18595
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'payloads/libpayload/drivers/keyboard.c')
-rw-r--r-- | payloads/libpayload/drivers/keyboard.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/payloads/libpayload/drivers/keyboard.c b/payloads/libpayload/drivers/keyboard.c deleted file mode 100644 index 056aa24957..0000000000 --- a/payloads/libpayload/drivers/keyboard.c +++ /dev/null @@ -1,334 +0,0 @@ -/* - * This file is part of the libpayload project. - * - * Copyright (C) 2008 Advanced Micro Devices, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <keycodes.h> -#include <libpayload-config.h> -#include <libpayload.h> - -#define I8042_CMD_DIS_KB 0xad -#define POWER_BUTTON 0x90 - -struct layout_maps { - const char *country; - const unsigned short map[4][0x57]; -}; - -static struct layout_maps *map; - -static struct layout_maps keyboard_layouts[] = { -#if IS_ENABLED(CONFIG_LP_PC_KEYBOARD_LAYOUT_US) -{ .country = "us", .map = { - { /* No modifier */ - 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, - 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, - 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, - 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, - 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, - 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, - 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 - }, - { /* Shift */ - 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, - 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, - 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, - 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, - 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, - 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, - 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 - }, - { /* ALT */ - 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, - 0x37, 0x38, 0x39, 0x30, 0x2D, 0x3D, 0x08, 0x09, - 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, - 0x6F, 0x70, 0x5B, 0x5D, 0x0A, 0x00, 0x61, 0x73, - 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, - 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, - 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 - }, - { /* Shift-ALT */ - 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, - 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, - 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, - 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, - 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, - 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, - 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 - } -}}, -#endif -#if IS_ENABLED(CONFIG_LP_PC_KEYBOARD_LAYOUT_DE) -{ .country = "de", .map = { - { /* No modifier */ - 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, - 0x37, 0x38, 0x39, 0x30, 0x00, 0x27, 0x08, 0x09, - 0x71, 0x77, 0x65, 0x72, 0x74, 0x7A, 0x75, 0x69, - 0x6F, 0x70, 0x00, 0x2B, 0x0A, 0x00, 0x61, 0x73, - 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x00, - 0x00, 0x5E, 0x00, 0x23, 0x79, 0x78, 0x63, 0x76, - 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2D, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x3C - }, - { /* Shift */ - 0x00, 0x1B, 0x21, 0x22, 0xA7, 0x24, 0x25, 0x26, - 0x2F, 0x28, 0x29, 0x3D, 0x3F, 0x60, 0x08, 0x00, - 0x51, 0x57, 0x45, 0x52, 0x54, 0x5A, 0x55, 0x49, - 0x4F, 0x50, 0x00, 0x2A, 0x0A, 0x00, 0x41, 0x53, - 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x00, - 0x00, 0x7E, 0x00, 0x27, 0x59, 0x58, 0x43, 0x56, - 0x42, 0x4E, 0x4D, 0x3B, 0x3A, 0x5F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x3E - }, - { /* ALT */ - 0x00, 0x1B, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, - 0x7B, 0x5B, 0x5D, 0x7D, 0x5C, 0x3D, 0x08, 0x09, - 0x40, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x69, - 0x6F, 0x70, 0x5B, 0x7E, 0x0A, 0x00, 0x61, 0x73, - 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6C, 0x3B, - 0x27, 0x60, 0x00, 0x5C, 0x7A, 0x78, 0x63, 0x76, - 0x62, 0x6E, 0x6D, 0x2C, 0x2E, 0x2F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x7C - }, - { /* Shift-ALT */ - /* copied from US */ - 0x00, 0x1B, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5E, - 0x26, 0x2A, 0x28, 0x29, 0x5F, 0x2B, 0x08, 0x00, - 0x51, 0x57, 0x45, 0x52, 0x54, 0x59, 0x55, 0x49, - 0x4F, 0x50, 0x7B, 0x7D, 0x0A, 0x00, 0x41, 0x53, - 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B, 0x4C, 0x3A, - 0x22, 0x7E, 0x00, 0x7C, 0x5A, 0x58, 0x43, 0x56, - 0x42, 0x4E, 0x4D, 0x3C, 0x3E, 0x3F, 0x00, 0x2A, - 0x00, 0x20, 0x00, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), - KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), 0x00, 0x00, KEY_HOME, - KEY_UP, KEY_NPAGE, 0x00, KEY_LEFT, 0x00, KEY_RIGHT, 0x00, KEY_END, - KEY_DOWN, KEY_PPAGE, 0x00, KEY_DC, 0x00, 0x00, 0x00 - } -}}, -#endif -}; - -#define MOD_SHIFT (1 << 0) -#define MOD_CTRL (1 << 1) -#define MOD_CAPSLOCK (1 << 2) -#define MOD_ALT (1 << 3) - -static void keyboard_cmd(unsigned char cmd, unsigned char val) -{ - while (inb(0x64) & 2); - outb(cmd, 0x60); - mdelay(20); - - while (inb(0x64) & 2); - outb(val, 0x60); - mdelay(20); -} - -int keyboard_havechar(void) -{ - unsigned char c = inb(0x64); - return (c == 0xFF) ? 0 : c & 1; -} - -unsigned char keyboard_get_scancode(void) -{ - unsigned char ch = 0; - - if (keyboard_havechar()) - ch = inb(0x60); - - return ch; -} - -int keyboard_getchar(void) -{ - static int modifier = 0; - unsigned char ch; - int shift; - int ret = 0; - - while (!keyboard_havechar()) ; - - ch = keyboard_get_scancode(); - - switch (ch) { - case 0x36: - case 0x2a: - modifier |= MOD_SHIFT; - break; - case 0x80 | 0x36: - case 0x80 | 0x2a: - modifier &= ~MOD_SHIFT; - break; - case 0x38: - modifier |= MOD_ALT; - break; - case 0x80 | 0x38: - modifier &= ~MOD_ALT; - break; - case 0x1d: - modifier |= MOD_CTRL; - break; - case 0x80 | 0x1d: - modifier &= ~MOD_CTRL; - break; - case 0x3a: - if (modifier & MOD_CAPSLOCK) { - modifier &= ~MOD_CAPSLOCK; - keyboard_cmd(0xed, (0 << 2)); - } else { - modifier |= MOD_CAPSLOCK; - keyboard_cmd(0xed, (1 << 2)); - } - break; - } - - if (!(ch & 0x80) && ch < 0x57) { - shift = - (modifier & MOD_SHIFT) ^ (modifier & MOD_CAPSLOCK) ? 1 : 0; - - if (modifier & MOD_ALT) - shift += 2; - - ret = map->map[shift][ch]; - - if (modifier & MOD_CTRL) { - switch (ret) { - case 'a' ... 'z': - ret &= 0x1f; - break; - case KEY_DC: - /* vulcan nerve pinch */ - if ((modifier & MOD_ALT) && reset_handler) - reset_handler(); - default: - ret = 0; - } - } - } - - if (ch == 0x5e) - ret = POWER_BUTTON; - - return ret; -} - -static int keyboard_wait_write(void) -{ - int retries = 10000; - - while(retries-- && (inb(0x64) & 0x02)) - udelay(50); - - return (retries <= 0) ? -1 : 0; -} - -/** - * Set keyboard layout - * @param country string describing the keyboard layout language. - * Valid values are "us", "de". - */ - -int keyboard_set_layout(char *country) -{ - int i; - - for (i=0; i<ARRAY_SIZE(keyboard_layouts); i++) { - if (strncmp(keyboard_layouts[i].country, country, - strlen(keyboard_layouts[i].country))) - continue; - - /* Found, changing keyboard layout */ - map = &keyboard_layouts[i]; - return 0; - } - - /* Nothing found, not changed */ - return -1; -} - -static struct console_input_driver cons = { - .havekey = keyboard_havechar, - .getchar = keyboard_getchar -}; - -void keyboard_init(void) -{ - map = &keyboard_layouts[0]; - - /* If 0x64 returns 0xff, then we have no keyboard - * controller */ - if (inb(0x64) == 0xFF) - return; - - console_add_input_driver(&cons); -} - -void keyboard_disconnect(void) -{ - /* If 0x64 returns 0xff, then we have no keyboard - * controller */ - if (inb(0x64) == 0xFF) - return; - - /* Empty keyboard buffer */ - while (keyboard_havechar()) - keyboard_getchar(); - - /* Send keyboard disconnect command */ - outb(I8042_CMD_DIS_KB, 0x64); - keyboard_wait_write(); - - /* Hand off with empty buffer */ - while (keyboard_havechar()) - keyboard_getchar(); -} |