[coreboot-gerrit] New patch to review for coreboot: libpayload-x86: Move keyboard.c
Patrick Rudolph (siro@das-labor.org)
gerrit at coreboot.org
Mon Mar 6 18:51:54 CET 2017
Patrick Rudolph (siro at das-labor.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18595
-gerrit
commit 653be2744d6e3cd1925de2639ab44c6a93d8853a
Author: Patrick Rudolph <siro at das-labor.org>
Date: Wed Mar 1 19:43:14 2017 +0100
libpayload-x86: Move keyboard.c
Move keyboard.c into i8042 folder.
Change-Id: Idd30a9082e48a451d9fe5ead3f3dda4e6396b50c
Signed-off-by: Patrick Rudolph <siro at das-labor.org>
---
payloads/libpayload/drivers/Makefile.inc | 2 +-
payloads/libpayload/drivers/i8042/keyboard.c | 337 +++++++++++++++++++++++++++
payloads/libpayload/drivers/keyboard.c | 337 ---------------------------
3 files changed, 338 insertions(+), 338 deletions(-)
diff --git a/payloads/libpayload/drivers/Makefile.inc b/payloads/libpayload/drivers/Makefile.inc
index 843921b..b874efe 100644
--- a/payloads/libpayload/drivers/Makefile.inc
+++ b/payloads/libpayload/drivers/Makefile.inc
@@ -38,8 +38,8 @@ libc-$(CONFIG_LP_S5P_SERIAL_CONSOLE) += serial/s5p.c serial/serial.c
libc-$(CONFIG_LP_IPQ806X_SERIAL_CONSOLE) += serial/ipq806x.c serial/serial.c
libc-$(CONFIG_LP_IPQ40XX_SERIAL_CONSOLE) += serial/ipq40xx.c serial/serial.c
libc-$(CONFIG_LP_BG4CD_SERIAL_CONSOLE) += serial/bg4cd.c serial/serial.c
+libc-$(CONFIG_LP_PC_KEYBOARD) += i8042/keyboard.c
libc-$(CONFIG_LP_PC_I8042) += i8042/i8042.c
-libc-$(CONFIG_LP_PC_KEYBOARD) += keyboard.c
libc-$(CONFIG_LP_CBMEM_CONSOLE) += cbmem_console.c
diff --git a/payloads/libpayload/drivers/i8042/keyboard.c b/payloads/libpayload/drivers/i8042/keyboard.c
new file mode 100644
index 0000000..23c8780
--- /dev/null
+++ b/payloads/libpayload/drivers/i8042/keyboard.c
@@ -0,0 +1,337 @@
+/*
+ * 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;
+
+ /* Empty keyboard buffer */
+ while (keyboard_havechar()) keyboard_getchar();
+
+ 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();
+}
diff --git a/payloads/libpayload/drivers/keyboard.c b/payloads/libpayload/drivers/keyboard.c
deleted file mode 100644
index 23c8780..0000000
--- a/payloads/libpayload/drivers/keyboard.c
+++ /dev/null
@@ -1,337 +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;
-
- /* Empty keyboard buffer */
- while (keyboard_havechar()) keyboard_getchar();
-
- 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();
-}
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