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path: root/drivers/i8042.c
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Diffstat (limited to 'drivers/i8042.c')
-rw-r--r--drivers/i8042.c178
1 files changed, 89 insertions, 89 deletions
diff --git a/drivers/i8042.c b/drivers/i8042.c
index ce24fc9..e21978d 100644
--- a/drivers/i8042.c
+++ b/drivers/i8042.c
@@ -322,20 +322,20 @@ int i8042_kbd_init (void)
keymap = KBD_US;
if ((penv = getenv ("keymap")) != NULL)
{
- if (strncmp (penv, "de", 3) == 0)
- keymap = KBD_GER;
+ 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;
- }
+ if (kbd_reset() == 0)
+ {
+ kbd_mapping = keymap;
+ kbd_flags = NORMAL;
+ kbd_state = 0;
+ kbd_led_set();
+ return 0;
+ }
}
return -1;
}
@@ -353,25 +353,25 @@ int i8042_tstc (void)
#ifdef CONFIG_CONSOLE_CURSOR
if (--blinkCount == 0)
{
- cursor_state ^= 1;
- console_cursor (cursor_state);
- blinkCount = CFG_CONSOLE_BLINK_COUNT;
- udelay (10);
+ cursor_state ^= 1;
+ console_cursor (cursor_state);
+ blinkCount = CFG_CONSOLE_BLINK_COUNT;
+ udelay (10);
}
#endif
if ((in8 (I8042_STATUS_REG) & 0x01) == 0)
- return 0;
+ return 0;
else
{
- scan_code = in8 (I8042_DATA_REG);
- if (scan_code == 0xfa)
- return 0;
+ scan_code = in8 (I8042_DATA_REG);
+ if (scan_code == 0xfa)
+ return 0;
- kbd_conv_char(scan_code);
+ kbd_conv_char(scan_code);
- if (kbd_input != -1)
- return 1;
+ if (kbd_input != -1)
+ return 1;
}
return 0;
}
@@ -389,23 +389,23 @@ int i8042_getc (void)
while (kbd_input == -1)
{
- while ((in8 (I8042_STATUS_REG) & 0x01) == 0)
- {
+ 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);
+ if (--blinkCount==0)
+ {
+ cursor_state ^= 1;
+ console_cursor (cursor_state);
+ blinkCount = CFG_CONSOLE_BLINK_COUNT;
+ }
+ udelay (10);
#endif
- }
+ }
- scan_code = in8 (I8042_DATA_REG);
+ scan_code = in8 (I8042_DATA_REG);
- if (scan_code != 0xfa)
- kbd_conv_char (scan_code);
+ if (scan_code != 0xfa)
+ kbd_conv_char (scan_code);
}
ret_chr = kbd_input;
kbd_input = -1;
@@ -419,62 +419,62 @@ static void kbd_conv_char (unsigned char scan_code)
{
if (scan_code == 0xe0)
{
- kbd_flags |= EXT;
- return;
+ kbd_flags |= EXT;
+ return;
}
/* if high bit of scan_code, set break flag */
if (scan_code & 0x80)
- kbd_flags |= BRK;
+ kbd_flags |= BRK;
else
- kbd_flags &= ~BRK;
+ 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;
+ 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;
+ 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;
+ break;
case SH: kbd_shift (scan_code);
- break;
+ break;
case CN: kbd_ctrl (scan_code);
- break;
+ break;
case NM: kbd_num (scan_code);
- break;
+ break;
case CP: kbd_caps (scan_code);
- break;
+ break;
case ST: kbd_scroll (scan_code);
- break;
+ break;
case AK: kbd_alt (scan_code);
- break;
+ break;
}
return;
}
@@ -490,14 +490,14 @@ static void kbd_normal (unsigned char scan_code)
{
chr = kbd_key_map [kbd_mapping][kbd_state][scan_code];
if ((chr == 0xff) || (chr == 0x00))
- {
- return;
- }
+ {
+ return;
+ }
- /* if caps lock convert upper to lower */
- if (((kbd_flags & CAPS) == CAPS) && (chr >= 'a' && chr <= 'z'))
+ /* if caps lock convert upper to lower */
+ if (((kbd_flags & CAPS) == CAPS) && (chr >= 'a' && chr <= 'z'))
{
- chr -= 'a' - 'A';
+ chr -= 'a' - 'A';
}
kbd_input = chr;
}
@@ -510,8 +510,8 @@ static void kbd_shift (unsigned char scan_code)
{
if ((kbd_flags & BRK) == BRK)
{
- kbd_state = AS;
- kbd_flags &= (~SHIFT);
+ kbd_state = AS;
+ kbd_flags &= (~SHIFT);
}
else
{
@@ -569,12 +569,12 @@ 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;
+ kbd_flags ^= STP;
+ kbd_led_set (); /* update keyboard LED */
+ if (kbd_flags & STP)
+ kbd_input = 0x13;
+ else
+ kbd_input = 0x11;
}
}
@@ -584,13 +584,13 @@ static void kbd_alt (unsigned char scan_code)
{
if ((kbd_flags & BRK) == BRK)
{
- kbd_state = AS;
- kbd_flags &= (~ALT);
+ kbd_state = AS;
+ kbd_flags &= (~ALT);
}
else
{
- kbd_state = AK;
- kbd_flags &= ALT;
+ kbd_state = AK;
+ kbd_flags &= ALT;
}
}
@@ -614,7 +614,7 @@ static int kbd_input_empty (void)
/* wait for input buf empty */
while ((in8 (I8042_STATUS_REG) & 0x02) && kbdTimeout--)
- udelay(1000);
+ udelay(1000);
return kbdTimeout;
}
@@ -624,30 +624,30 @@ static int kbd_input_empty (void)
static int kbd_reset (void)
{
if (kbd_input_empty() == 0)
- return -1;
+ return -1;
out8 (I8042_DATA_REG, 0xff);
udelay(250000);
if (kbd_input_empty() == 0)
- return -1;
+ return -1;
out8 (I8042_DATA_REG, 0x60);
if (kbd_input_empty() == 0)
- return -1;
+ return -1;
out8 (I8042_DATA_REG, 0x45);
if (kbd_input_empty() == 0)
- return -1;
+ return -1;
out8 (I8042_COMMAND_REG, 0xae);
if (kbd_input_empty() == 0)
- return -1;
+ return -1;
return 0;
}