1 #ifndef __LUNAIX_PS2KBD_H
2 #define __LUNAIX_PS2KBD_H
5 #include <lunaix/ds/mutex.h>
6 #include <lunaix/keyboard.h>
8 #define PS2_PORT_ENC_DATA 0x60
9 #define PS2_PORT_ENC_CMDREG 0x60
10 #define PS2_PORT_CTRL_STATUS 0x64
11 #define PS2_PORT_CTRL_CMDREG 0x64
13 #define PS2_STATUS_OFULL 0x1
14 #define PS2_STATUS_IFULL 0x2
16 #define PS2_RESULT_ACK 0xfa
17 #define PS2_RESULT_NAK 0xfe // resend
18 #define PS2_RESULT_ECHO 0xee
19 #define PS2_RESULT_TEST_OK 0x55
21 // PS/2 keyboard device related commands
22 #define PS2_KBD_CMD_SETLED 0xed
23 #define PS2_KBD_CMD_ECHO 0xee
24 #define PS2_KBD_CMD_SCANCODE_SET 0xf0
25 #define PS2_KBD_CMD_IDENTIFY 0xf2
26 #define PS2_KBD_CMD_SCAN_ENABLE 0xf4
27 #define PS2_KBD_CMD_SCAN_DISABLE 0xf5
29 // PS/2 *controller* related commands
30 #define PS2_CMD_PORT1_DISABLE 0xad
31 #define PS2_CMD_PORT1_ENABLE 0xae
32 #define PS2_CMD_PORT2_DISABLE 0xa7
33 #define PS2_CMD_PORT2_ENABLE 0xa8
34 #define PS2_CMD_SELFTEST 0xaa
35 #define PS2_CMD_SELFTEST_PORT1 0xab
37 #define PS2_CMD_READ_CFG 0x20
38 #define PS2_CMD_WRITE_CFG 0x60
40 #define PS2_CFG_P1INT 0x1
41 #define PS2_CFG_P2INT 0x2
42 #define PS2_CFG_TRANSLATION 0x40
44 #define PS2_DELAY 1000
46 #define PS2_CMD_QUEUE_SIZE 8
48 #define PS2_NO_ARG 0xff00
60 volatile kbd_kstate_t key_state;
61 kbd_keycode_t* translation_table;
66 struct ps2_cmd cmd_queue[PS2_CMD_QUEUE_SIZE];
73 * @brief 向PS/2控制器的控制端口(0x64)发送指令并等待返回代码。
74 * 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。
75 * 通过调用该方法向控制器发送指令,请区别 ps2_issue_dev_cmd
81 ps2_issue_cmd(char cmd, u16_t arg);
84 * @brief 向PS/2控制器的编码器端口(0x60)发送指令并等待返回代码。
85 * 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。
86 * 通过调用该方法向PS/2设备发送指令,请区别 ps2_issue_cmd
92 ps2_issue_dev_cmd(char cmd, u16_t arg);
95 * @brief 向PS/2控制器发送指令,不等待返回代码。
103 ps2_post_cmd(u8_t port, char cmd, u16_t arg);
106 ps2_device_post_cmd(char cmd, char arg);
112 ps2_process_cmd(void* arg);
114 #endif /* __LUNAIX_PS2KBD_H */