1 #ifndef __LUNAIX_PS2KBD_H
2 #define __LUNAIX_PS2KBD_H
5 #include <lunaix/keyboard.h>
6 #include <lunaix/clock.h>
8 #define PS2_PORT_DATA 0x60
9 #define PS2_PORT_STATUS 0x64
10 #define PS2_PORT_CMDREG 0x64
12 #define PS2_STATUS_OFULL 0x1
13 #define PS2_STATUS_IFULL 0x2
15 #define PS2_RESULT_ACK 0xfa
16 #define PS2_RESULT_NAK 0xfe //resend
17 #define PS2_RESULT_ECHO 0xee
18 #define PS2_RESULT_TEST_OK 0x55
20 // PS/2 keyboard device related commands
21 #define PS2_KBD_CMD_SETLED 0xed
22 #define PS2_KBD_CMD_ECHO 0xee
23 #define PS2_KBD_CMD_SCANCODE_SET 0xf0
24 #define PS2_KBD_CMD_IDENTIFY 0xf2
25 #define PS2_KBD_CMD_SCAN_ENABLE 0xf4
26 #define PS2_KBD_CMD_SCAN_DISABLE 0xf5
28 // PS/2 *controller* related commands
29 #define PS2_CMD_PORT1_DISABLE 0xad
30 #define PS2_CMD_PORT1_ENABLE 0xae
31 #define PS2_CMD_PORT2_DISABLE 0xa7
32 #define PS2_CMD_PORT2_ENABLE 0xa8
33 #define PS2_CMD_SELFTEST 0xaa
34 #define PS2_CMD_SELFTEST_PORT1 0xab
36 #define PS2_CMD_READ_CFG 0x20
37 #define PS2_CMD_WRITE_CFG 0x60
39 #define PS2_CFG_P1INT 0x1
40 #define PS2_CFG_P2INT 0x2
41 #define PS2_CFG_TRANSLATION 0x40
43 #define PS2_DELAY 1000
45 #define PS2_CMD_QUEUE_SIZE 8
46 #define PS2_KBD_RECV_BUFFER_SIZE 8
48 #define PS2_NO_ARG 0xff00
51 #define KBD_KEY_RELEASED 0x0
52 #define KBD_KEY_PRESSED 0x1
53 #define KBD_KEY_SCRLLKED 0x2
54 #define KBD_KEY_NUMBLKED 0x4
55 #define KBD_KEY_CAPSLKED 0x8
57 typedef unsigned char kbd_kstate_t;
59 struct kdb_keyinfo_pkt {
71 struct ps2_kbd_state {
73 kbd_keycode* translation_table;
74 kbd_kstate_t key_state;
77 struct ps2_cmd_queue {
78 struct ps2_cmd cmd_queue[PS2_CMD_QUEUE_SIZE];
83 struct ps2_key_buffer {
84 struct kdb_keyinfo_pkt key_buff[PS2_KBD_RECV_BUFFER_SIZE];
86 // We don't bother whether the buff is full or not, just override.
90 * @brief 向PS/2控制器发送指令并等待返回代码。注意,对于没有返回代码的命令请使用`ps2_post_cmd`,否则会造成死锁。
95 static uint8_t ps2_issue_cmd(char cmd, uint16_t arg);
98 * @brief 向PS/2控制器发送指令,不等待返回代码。
104 static void ps2_post_cmd(char cmd, uint16_t arg);
106 void ps2_device_post_cmd(char cmd, char arg);
110 void ps2_process_cmd(void* arg);
115 #endif /* __LUNAIX_PS2KBD_H */