| 45,11 → 45,10 |
|---|
| * It takes care of low-level keyboard functions. |
| */ |
| |
| #define i8042_DATA 0x60 |
| #define i8042_STATUS 0x64 |
| #define i8042_DATA 0x60 |
| #define i8042_STATUS 0x64 |
| #define i8042_BUFFER_FULL_MASK 0x01 |
| |
| |
| /** Keyboard commands. */ |
| #define KBD_ENABLE 0xf4 |
| #define KBD_DISABLE 0xf5 |
| 56,25 → 55,24 |
|---|
| #define KBD_ACK 0xfa |
| |
| /* |
| 60 Write 8042 Command Byte: next data byte written to port 60h is |
| placed in 8042 command register.Format: |
| * 60 Write 8042 Command Byte: next data byte written to port 60h is |
| * placed in 8042 command register.Format: |
| * |
| * |7|6|5|4|3|2|1|0|8042 Command Byte |
| * | | | | | | | `---- 1=enable output register full interrupt |
| * | | | | | | `----- should be 0 |
| * | | | | | `------ 1=set status register system, 0=clear |
| * | | | | `------- 1=override keyboard inhibit, 0=allow inhibit |
| * | | | `-------- disable keyboard I/O by driving clock line low |
| * | | `--------- disable auxiliary device, drives clock line low |
| * | `---------- IBM scancode translation 0=AT, 1=PC/XT |
| * `----------- reserved, should be 0 |
| */ |
| |
| |7|6|5|4|3|2|1|0|8042 Command Byte |
| | | | | | | | `---- 1=enable output register full interrupt |
| | | | | | | `----- should be 0 |
| | | | | | `------ 1=set status register system, 0=clear |
| | | | | `------- 1=override keyboard inhibit, 0=allow inhibit |
| | | | `-------- disable keyboard I/O by driving clock line low |
| | | `--------- disable auxiliary device, drives clock line low |
| | `---------- IBM scancode translation 0=AT, 1=PC/XT |
| `----------- reserved, should be 0 |
| */ |
| #define i8042_SET_COMMAND 0x60 |
| #define i8042_COMMAND 0x49 |
| #define i8042_WAIT_MASK 0x02 |
| |
| #define i8042_SET_COMMAND 0x60 |
| #define i8042_COMMAND 0x49 |
| #define i8042_WAIT_MASK 0x02 |
| |
| |
| #define SPECIAL '?' |
| #define KEY_RELEASE 0x80 |
| |
| 88,7 → 86,6 |
|---|
| |
| #define ACTIVE_READ_BUFF_SIZE 16 /*Must be power of 2*/ |
| |
| |
| __u8 active_read_buff[ACTIVE_READ_BUFF_SIZE]={0}; |
| |
| SPINLOCK_INITIALIZE(keylock); /**< keylock protects keyflags and lockflags. */ |
| 271,9 → 268,13 |
|---|
| void i8042_init(void) |
| { |
| exc_register(VECTOR_KBD, "i8042_interrupt", i8042_interrupt); |
| while (inb(i8042_STATUS)&i8042_WAIT_MASK); /*Wait*/ |
| while (inb(i8042_STATUS)&i8042_WAIT_MASK) { |
| /* wait */ |
| } |
| outb(i8042_STATUS,i8042_SET_COMMAND); |
| while (inb(i8042_STATUS)&i8042_WAIT_MASK); /*Wait*/ |
| while (inb(i8042_STATUS)&i8042_WAIT_MASK) { |
| /* wait */ |
| } |
| outb(i8042_DATA,i8042_COMMAND); |
| |
| trap_virtual_enable_irqs(1<<IRQ_KBD); |
| 405,7 → 406,6 |
|---|
| { |
| } |
| |
| |
| static __u8 active_read_buff_read(void) |
| { |
| static int i=0; |
| 427,7 → 427,7 |
|---|
| } |
| |
| |
| static void active_readed_key_pressed(__u8 sc) |
| static void active_read_key_pressed(__u8 sc) |
| { |
| char *map = sc_primary_map; |
| char ascii = sc_primary_map[sc]; |
| 496,11 → 496,9 |
|---|
| |
| } |
| |
| |
| static char key_read(chardev_t *d) |
| { |
| char ch; |
| |
| |
| while(!(ch=active_read_buff_read())) |
| { |
| 510,9 → 508,7 |
|---|
| if (x & KEY_RELEASE) |
| key_released(x ^ KEY_RELEASE); |
| else |
| active_readed_key_pressed(x); |
| active_read_key_pressed(x); |
| } |
| return ch; |
| } |
| |
| |