* SUCH DAMAGE.
*/
-#include <arch/io.h>
#include <libpayload.h>
-
-unsigned char map[2][0x57] = {
- {
- 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, 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,
- }
+#include <curses.h>
+
+#define I8042_CMD_READ_MODE 0x20
+#define I8042_CMD_WRITE_MODE 0x60
+
+#define I8042_MODE_XLATE 0x40
+
+unsigned short map[4][0x57] = {
+ { /* 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
+ }
};
-#define MOD_SHIFT 1
-#define MOD_CTRL 2
-#define MOD_CAPSLOCK 4
+#define MOD_SHIFT (1 << 0)
+#define MOD_CTRL (1 << 1)
+#define MOD_CAPSLOCK (1 << 2)
+#define MOD_ALT (1 << 3)
int keyboard_havechar(void)
{
int keyboard_getchar(void)
{
- static int modifier;
+ static int modifier = 0;
unsigned char ch;
int shift;
-
int ret = 0;
- while(!keyboard_havechar())
- ;
+ while (!keyboard_havechar()) ;
ch = keyboard_get_scancode();
- switch(ch) {
+ switch (ch) {
case 0x36:
case 0x2a:
- modifier &= ~MOD_SHIFT;
+ modifier |= MOD_SHIFT;
break;
-
case 0x80 | 0x36:
case 0x80 | 0x2a:
- modifier |= MOD_SHIFT;
-
+ modifier &= ~MOD_SHIFT;
+ break;
+ case 0x38:
+ modifier |= MOD_ALT;
+ break;
+ case 0x80 | 0x38:
+ modifier &= ~MOD_ALT;
+ break;
case 0x1d:
- modifier &= ~MOD_CTRL;
+ modifier |= MOD_CTRL;
break;
-
case 0x80 | 0x1d:
- modifier |= MOD_CTRL;
+ modifier &= ~MOD_CTRL;
break;
-
case 0x3a:
if (modifier & MOD_CAPSLOCK)
modifier &= ~MOD_CAPSLOCK;
break;
}
- if (!(ch & 0x80) && ch < 0x57) {
- shift = (modifier & MOD_SHIFT) ^ (modifier & MOD_CAPSLOCK) ? 1 : 0;
+ if (!(ch & 0x80) && ch < 0x57) {
+ shift =
+ (modifier & MOD_SHIFT) ^ (modifier & MOD_CAPSLOCK) ? 1 : 0;
+
+ if (modifier & MOD_ALT)
+ shift += 2;
+
ret = map[shift][ch];
if (modifier & MOD_CTRL)
- ret = (ret >= 0x3F && ret <= 0x5F) ? ret & 0x1f : 0;
+ ret = (ret >= 'a' && ret <= 'z') ? ret & 0x1f : 0;
return ret;
}
return ret;
}
+
+static int keyboard_wait_read(void)
+{
+ int timeout = 10000;
+
+ while(timeout-- && !(inb(0x64) & 0x01))
+ udelay(50);
+
+ return (timeout <= 0) ? -1 : 0;
+}
+
+static int keyboard_wait_write(void)
+{
+ int timeout = 10000;
+
+ while(timeout-- && (inb(0x64) & 0x02))
+ udelay(50);
+
+ return (timeout <= 0) ? -1 : 0;
+}
+
+static unsigned char keyboard_get_mode(void)
+{
+ outb(I8042_CMD_READ_MODE, 0x64);
+ keyboard_wait_read();
+ return inb(0x60);
+}
+
+static void keyboard_set_mode(unsigned char mode)
+{
+ outb(I8042_CMD_WRITE_MODE, 0x64);
+ keyboard_wait_write();
+ outb(mode, 0x60);
+}
+
+void keyboard_init(void)
+{
+ u8 mode;
+
+ /* Empty keyboard buffer */
+ while (keyboard_havechar()) keyboard_getchar();
+
+ /* Read the current mode */
+ mode = keyboard_get_mode();
+
+ /* Turn on scancode translate mode so that we can
+ use the scancode set 1 tables */
+
+ mode |= I8042_MODE_XLATE;
+
+ /* Write the new mode */
+ keyboard_set_mode(mode);
+}
+
projects / coreboot.git / blobdiff