| 38,7 → 38,31 |
|---|
| |
| #include <arch/kbd.h> |
| #include <ipc/ipc.h> |
| #include <unistd.h> |
| #include <kbd.h> |
| #include <keys.h> |
| |
| /* Interesting bits for status register */ |
| #define i8042_OUTPUT_FULL 0x1 |
| #define i8042_INPUT_FULL 0x2 |
| #define i8042_MOUSE_DATA 0x20 |
| |
| /* Command constants */ |
| #define i8042_CMD_KBD 0x60 |
| #define i8042_CMD_MOUSE 0xd4 |
| |
| /* Keyboard cmd byte */ |
| #define i8042_KBD_IE 0x1 |
| #define i8042_MOUSE_IE 0x2 |
| #define i8042_KBD_DISABLE 0x10 |
| #define i8042_MOUSE_DISABLE 0x20 |
| #define i8042_KBD_TRANSLATE 0x40 |
| |
| /* Mouse constants */ |
| #define MOUSE_OUT_INIT 0xf4 |
| #define MOUSE_ACK 0xfa |
| |
| |
| #define SPECIAL 255 |
| #define KEY_RELEASE 0x80 |
| |
| 231,12 → 255,13 |
|---|
| SPECIAL, /* 0x7f */ |
| }; |
| |
| irq_cmd_t i8042_cmds[1] = { |
| { CMD_PORT_READ_1, (void *)0x60, 0 } |
| irq_cmd_t i8042_cmds[2] = { |
| { CMD_PORT_READ_1, (void *)0x64, 0, 1 }, |
| { CMD_PORT_READ_1, (void *)0x60, 0, 2 } |
| }; |
| |
| irq_code_t i8042_kbd = { |
| 1, |
| 2, |
| i8042_cmds |
| }; |
| |
| 354,21 → 379,87 |
|---|
| } |
| } |
| |
| |
| static void wait_ready(void) { |
| while (i8042_status_read() & i8042_INPUT_FULL) |
| ; |
| } |
| |
| /** Register uspace irq handler |
| * @return |
| */ |
| int kbd_arch_init(void) |
| { |
| return !(ipc_register_irq(1, &i8042_kbd)); |
| int rc1, i; |
| int mouseenabled = 0; |
| |
| iospace_enable(task_get_id(),(void *)i8042_DATA, 5); |
| /* Disable kbd, enable mouse */ |
| i8042_command_write(i8042_CMD_KBD); |
| wait_ready(); |
| i8042_command_write(i8042_CMD_KBD); |
| wait_ready(); |
| i8042_data_write(i8042_KBD_DISABLE); |
| wait_ready(); |
| |
| /* Flush all current IO */ |
| while (i8042_status_read() & i8042_OUTPUT_FULL) |
| i8042_data_read(); |
| /* Initialize mouse */ |
| i8042_command_write(i8042_CMD_MOUSE); |
| wait_ready(); |
| i8042_data_write(MOUSE_OUT_INIT); |
| wait_ready(); |
| |
| int mouseanswer = 0; |
| for (i=0;i < 1000; i++) { |
| int status = i8042_status_read(); |
| if (status & i8042_OUTPUT_FULL) { |
| int data = i8042_data_read(); |
| if (status & i8042_MOUSE_DATA) { |
| mouseanswer = data; |
| break; |
| } |
| } |
| usleep(1000); |
| } |
| if (mouseanswer == MOUSE_ACK) { |
| /* enable mouse */ |
| mouseenabled = 1; |
| |
| ipc_register_irq(MOUSE_IRQ, &i8042_kbd); |
| } |
| /* Enable kbd */ |
| ipc_register_irq(KBD_IRQ, &i8042_kbd); |
| |
| int newcontrol = i8042_KBD_IE | i8042_KBD_TRANSLATE; |
| if (mouseenabled) |
| newcontrol |= i8042_MOUSE_IE; |
| |
| i8042_command_write(i8042_CMD_KBD); |
| wait_ready(); |
| i8042_data_write(newcontrol); |
| wait_ready(); |
| |
| return 0; |
| } |
| |
| int kbd_arch_process(keybuffer_t *keybuffer, int scan_code) |
| /** Process keyboard & mouse events */ |
| int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call) |
| { |
| if (scan_code != IGNORE_CODE) { |
| if (scan_code & KEY_RELEASE) |
| key_released(keybuffer, scan_code ^ KEY_RELEASE); |
| else |
| key_pressed(keybuffer, scan_code); |
| int status = IPC_GET_ARG1(*call); |
| |
| if ((status & i8042_MOUSE_DATA)) { |
| ; |
| } else { |
| int scan_code = IPC_GET_ARG2(*call); |
| |
| if (scan_code != IGNORE_CODE) { |
| if (scan_code & KEY_RELEASE) |
| key_released(keybuffer, scan_code ^ KEY_RELEASE); |
| else |
| key_pressed(keybuffer, scan_code); |
| } |
| } |
| return 1; |
| } |