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Diffstat (limited to 'board/mpl/common/kbd.c')
-rw-r--r--board/mpl/common/kbd.c256
1 files changed, 127 insertions, 129 deletions
diff --git a/board/mpl/common/kbd.c b/board/mpl/common/kbd.c
index 7724e24..931ed43 100644
--- a/board/mpl/common/kbd.c
+++ b/board/mpl/common/kbd.c
@@ -53,63 +53,63 @@ void enable_8259A_irq(unsigned int irq);
#define KBD_STAT_KOBF 0x01
#define KBD_STAT_IBF 0x02
#define KBD_STAT_SYS 0x04
-#define KBD_STAT_CD 0x08
+#define KBD_STAT_CD 0x08
#define KBD_STAT_LOCK 0x10
#define KBD_STAT_MOBF 0x20
-#define KBD_STAT_TI_OUT 0x40
-#define KBD_STAT_PARERR 0x80
+#define KBD_STAT_TI_OUT 0x40
+#define KBD_STAT_PARERR 0x80
-#define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */
-#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
-#define KBD_TIMEOUT 2000 /* Timeout in ms for keyboard command acknowledge */
+#define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */
+#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
+#define KBD_TIMEOUT 2000 /* Timeout in ms for keyboard command acknowledge */
/*
* Keyboard Controller Commands
*/
-#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
-#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
-#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
+#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
+#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
+#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
-#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
-#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
-#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
-#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
-#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
-#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
+#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
+#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
+#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
+#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
+#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
+#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
#define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
initiated by the auxiliary device */
-#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
+#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
/*
* Keyboard Commands
*/
-#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
-#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
-#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
-#define KBD_CMD_DISABLE 0xF5 /* Disable scanning */
-#define KBD_CMD_RESET 0xFF /* Reset */
+#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
+#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
+#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
+#define KBD_CMD_DISABLE 0xF5 /* Disable scanning */
+#define KBD_CMD_RESET 0xFF /* Reset */
/*
* Keyboard Replies
*/
-#define KBD_REPLY_POR 0xAA /* Power on reset */
-#define KBD_REPLY_ACK 0xFA /* Command ACK */
-#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
+#define KBD_REPLY_POR 0xAA /* Power on reset */
+#define KBD_REPLY_ACK 0xFA /* Command ACK */
+#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
/*
* Status Register Bits
*/
-#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
-#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
-#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
-#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
-#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
-#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
-#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
-#define KBD_STAT_PERR 0x80 /* Parity error */
+#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
+#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
+#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
+#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
+#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
+#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
+#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
+#define KBD_STAT_PERR 0x80 /* Parity error */
#define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
@@ -117,24 +117,24 @@ void enable_8259A_irq(unsigned int irq);
* Controller Mode Register Bits
*/
-#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
-#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
-#define KBD_MODE_SYS 0x04 /* The system flag (?) */
-#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
-#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
+#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generate IRQ1 */
+#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
+#define KBD_MODE_SYS 0x04 /* The system flag (?) */
+#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
+#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
-#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
-#define KBD_MODE_RFU 0x80
+#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
+#define KBD_MODE_RFU 0x80
-#define KDB_DATA_PORT 0x60
+#define KDB_DATA_PORT 0x60
#define KDB_COMMAND_PORT 0x64
-#define LED_SCR 0x01 /* scroll lock led */
-#define LED_CAP 0x04 /* caps lock led */
-#define LED_NUM 0x02 /* num lock led */
+#define LED_SCR 0x01 /* scroll lock led */
+#define LED_CAP 0x04 /* caps lock led */
+#define LED_NUM 0x02 /* num lock led */
-#define KBD_BUFFER_LEN 0x20 /* size of the keyboardbuffer */
+#define KBD_BUFFER_LEN 0x20 /* size of the keyboardbuffer */
static volatile char kbd_buffer[KBD_BUFFER_LEN];
@@ -197,8 +197,7 @@ int isa_kbd_init(void)
irq_install_handler(25, (interrupt_handler_t *)handle_isa_int, NULL);
isa_irq_install_handler(KBD_INTERRUPT, (interrupt_handler_t *)kbd_interrupt, NULL);
return (1);
- }
- else {
+ } else {
printf("%s\n",result);
return (-1);
}
@@ -216,20 +215,20 @@ int overwrite_console (void)
int drv_isa_kbd_init (void)
{
int error;
- device_t kbddev ;
+ device_t kbddev ;
char *stdinname = getenv ("stdin");
if(isa_kbd_init()==-1)
return -1;
- memset (&kbddev, 0, sizeof(kbddev));
- strcpy(kbddev.name, DEVNAME);
- kbddev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
- kbddev.putc = NULL ;
+ memset (&kbddev, 0, sizeof(kbddev));
+ strcpy(kbddev.name, DEVNAME);
+ kbddev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
+ kbddev.putc = NULL ;
kbddev.puts = NULL ;
kbddev.getc = kbd_getc ;
kbddev.tstc = kbd_testc ;
- error = device_register (&kbddev);
+ error = device_register (&kbddev);
if(error==0) {
/* check if this is the standard input device */
if(strcmp(stdinname,DEVNAME)==0) {
@@ -313,106 +312,106 @@ void kbd_set_leds(void)
}
-void handle_keyboard_event(unsigned char scancode)
+void handle_keyboard_event (unsigned char scancode)
{
unsigned char keycode;
/* Convert scancode to keycode */
- PRINTF("scancode %x\n",scancode);
- if(scancode==0xe0) {
- e0=1; /* special charakters */
+ PRINTF ("scancode %x\n", scancode);
+ if (scancode == 0xe0) {
+ e0 = 1; /* special charakters */
return;
}
- if(e0==1) {
- e0=0; /* delete flag */
- if(!( ((scancode&0x7F)==0x38)|| /* the right ctrl key */
- ((scancode&0x7F)==0x1D)|| /* the right alt key */
- ((scancode&0x7F)==0x35)|| /* the right '/' key */
- ((scancode&0x7F)==0x1C) )) /* the right enter key */
+ if (e0 == 1) {
+ e0 = 0; /* delete flag */
+ if (!(((scancode & 0x7F) == 0x38) || /* the right ctrl key */
+ ((scancode & 0x7F) == 0x1D) || /* the right alt key */
+ ((scancode & 0x7F) == 0x35) || /* the right '/' key */
+ ((scancode & 0x7F) == 0x1C)))
+ /* the right enter key */
/* we swallow unknown e0 codes */
return;
}
/* special cntrl keys */
- switch(scancode)
- {
- case 0x2A:
- case 0x36: /* shift pressed */
- shift=1;
- return; /* do nothing else */
- case 0xAA:
- case 0xB6: /* shift released */
- shift=0;
- return; /* do nothing else */
- case 0x38: /* alt pressed */
- alt=1;
- return; /* do nothing else */
- case 0xB8: /* alt released */
- alt=0;
- return; /* do nothing else */
- case 0x1d: /* ctrl pressed */
- ctrl=1;
- return; /* do nothing else */
- case 0x9d: /* ctrl released */
- ctrl=0;
- return; /* do nothing else */
- case 0x46: /* scrollock pressed */
- scroll_lock=~scroll_lock;
- kbd_set_leds();
- return; /* do nothing else */
- case 0x3A: /* capslock pressed */
- caps_lock=~caps_lock;
- kbd_set_leds();
- return;
- case 0x45: /* numlock pressed */
- num_lock=~num_lock;
- kbd_set_leds();
- return;
- case 0xC6: /* scroll lock released */
- case 0xC5: /* num lock released */
- case 0xBA: /* caps lock released */
- return; /* just swallow */
+ switch (scancode) {
+ case 0x2A:
+ case 0x36: /* shift pressed */
+ shift = 1;
+ return; /* do nothing else */
+ case 0xAA:
+ case 0xB6: /* shift released */
+ shift = 0;
+ return; /* do nothing else */
+ case 0x38: /* alt pressed */
+ alt = 1;
+ return; /* do nothing else */
+ case 0xB8: /* alt released */
+ alt = 0;
+ return; /* do nothing else */
+ case 0x1d: /* ctrl pressed */
+ ctrl = 1;
+ return; /* do nothing else */
+ case 0x9d: /* ctrl released */
+ ctrl = 0;
+ return; /* do nothing else */
+ case 0x46: /* scrollock pressed */
+ scroll_lock = ~scroll_lock;
+ kbd_set_leds ();
+ return; /* do nothing else */
+ case 0x3A: /* capslock pressed */
+ caps_lock = ~caps_lock;
+ kbd_set_leds ();
+ return;
+ case 0x45: /* numlock pressed */
+ num_lock = ~num_lock;
+ kbd_set_leds ();
+ return;
+ case 0xC6: /* scroll lock released */
+ case 0xC5: /* num lock released */
+ case 0xBA: /* caps lock released */
+ return; /* just swallow */
}
- if((scancode&0x80)==0x80) /* key released */
+ if ((scancode & 0x80) == 0x80) /* key released */
return;
/* now, decide which table we need */
- if(scancode > (sizeof(kbd_plain_xlate)/sizeof(kbd_plain_xlate[0]))) { /* scancode not in list */
- PRINTF("unkown scancode %X\n",scancode);
- return; /* swallow it */
+ if (scancode > (sizeof (kbd_plain_xlate) / sizeof (kbd_plain_xlate[0]))) { /* scancode not in list */
+ PRINTF ("unkown scancode %X\n", scancode);
+ return; /* swallow it */
}
/* setup plain code first */
- keycode=kbd_plain_xlate[scancode];
- if(caps_lock==1) { /* caps_lock is pressed, overwrite plain code */
- if(scancode > (sizeof(kbd_shift_xlate)/sizeof(kbd_shift_xlate[0]))) { /* scancode not in list */
- PRINTF("unkown caps-locked scancode %X\n",scancode);
- return; /* swallow it */
+ keycode = kbd_plain_xlate[scancode];
+ if (caps_lock == 1) { /* caps_lock is pressed, overwrite plain code */
+ if (scancode > (sizeof (kbd_shift_xlate) / sizeof (kbd_shift_xlate[0]))) { /* scancode not in list */
+ PRINTF ("unkown caps-locked scancode %X\n", scancode);
+ return; /* swallow it */
}
- keycode=kbd_shift_xlate[scancode];
- if(keycode<'A') { /* we only want the alphas capital */
- keycode=kbd_plain_xlate[scancode];
+ keycode = kbd_shift_xlate[scancode];
+ if (keycode < 'A') { /* we only want the alphas capital */
+ keycode = kbd_plain_xlate[scancode];
}
}
- if(shift==1) { /* shift overwrites caps_lock */
- if(scancode > (sizeof(kbd_shift_xlate)/sizeof(kbd_shift_xlate[0]))) { /* scancode not in list */
- PRINTF("unkown shifted scancode %X\n",scancode);
- return; /* swallow it */
+ if (shift == 1) { /* shift overwrites caps_lock */
+ if (scancode > (sizeof (kbd_shift_xlate) / sizeof (kbd_shift_xlate[0]))) { /* scancode not in list */
+ PRINTF ("unkown shifted scancode %X\n", scancode);
+ return; /* swallow it */
}
- keycode=kbd_shift_xlate[scancode];
+ keycode = kbd_shift_xlate[scancode];
}
- if(ctrl==1) { /* ctrl overwrites caps_lock and shift */
- if(scancode > (sizeof(kbd_ctrl_xlate)/sizeof(kbd_ctrl_xlate[0]))) { /* scancode not in list */
- PRINTF("unkown ctrl scancode %X\n",scancode);
- return; /* swallow it */
+ if (ctrl == 1) { /* ctrl overwrites caps_lock and shift */
+ if (scancode > (sizeof (kbd_ctrl_xlate) / sizeof (kbd_ctrl_xlate[0]))) { /* scancode not in list */
+ PRINTF ("unkown ctrl scancode %X\n", scancode);
+ return; /* swallow it */
}
- keycode=kbd_ctrl_xlate[scancode];
+ keycode = kbd_ctrl_xlate[scancode];
}
/* check if valid keycode */
- if(keycode==0xff) {
- PRINTF("unkown scancode %X\n",scancode);
- return; /* swallow unknown codes */
+ if (keycode == 0xff) {
+ PRINTF ("unkown scancode %X\n", scancode);
+ return; /* swallow unknown codes */
}
- kbd_put_queue(keycode);
- PRINTF("%x\n",keycode);
+ kbd_put_queue (keycode);
+ PRINTF ("%x\n", keycode);
}
/*
@@ -583,8 +582,7 @@ char * kbd_initialize(void)
status = kbd_wait_for_input();
if (status == KBD_REPLY_ACK)
break;
- if (status != KBD_REPLY_RESEND)
- {
+ if (status != KBD_REPLY_RESEND) {
PRINTF("status: %X\n",status);
return "Kbd: reset failed, no ACK";
}