feat: input device subsystem to resolve race condition on polling input

[lunaix-os.git] / lunaix-os / includes / lunaix / peripheral / ps2kbd.h

diff --git a/lunaix-os/includes/lunaix/peripheral/ps2kbd.h b/lunaix-os/includes/lunaix/peripheral/ps2kbd.h
index ca49cb7592a9e30cd44f1b1775a8cc5d362fd6e7..3ebaa984aa1770e69f43dc78c6b6b0d5f7fad07d 100644 (file)
--- a/lunaix-os/includes/lunaix/peripheral/ps2kbd.h
+++ b/lunaix-os/includes/lunaix/peripheral/ps2kbd.h
@@ -2,114 +2,113 @@
 #define __LUNAIX_PS2KBD_H
 
 #include <hal/io.h>
 #define __LUNAIX_PS2KBD_H
 
 #include <hal/io.h>

+#include <lunaix/ds/mutex.h>

 #include <lunaix/keyboard.h>
 #include <lunaix/keyboard.h>

-#include <lunaix/clock.h>

 
 

-#define PS2_PORT_DATA 0x60
-#define PS2_PORT_STATUS 0x64
-#define PS2_PORT_CMDREG 0x64
+#define PS2_PORT_ENC_DATA 0x60
+#define PS2_PORT_ENC_CMDREG 0x60
+#define PS2_PORT_CTRL_STATUS 0x64
+#define PS2_PORT_CTRL_CMDREG 0x64

 
 

-#define PS2_STATUS_OFULL   0x1
-#define PS2_STATUS_IFULL   0x2
+#define PS2_STATUS_OFULL 0x1
+#define PS2_STATUS_IFULL 0x2

 
 

-#define PS2_RESULT_ACK  0xfa
-#define PS2_RESULT_NAK  0xfe    //resend
-#define PS2_RESULT_ECHO 0xee    
-#define PS2_RESULT_TEST_OK 0x55    
+#define PS2_RESULT_ACK 0xfa
+#define PS2_RESULT_NAK 0xfe // resend
+#define PS2_RESULT_ECHO 0xee
+#define PS2_RESULT_TEST_OK 0x55

 
 // PS/2 keyboard device related commands
 
 // PS/2 keyboard device related commands

-#define PS2_KBD_CMD_SETLED  0xed
-#define PS2_KBD_CMD_ECHO  0xee
-#define PS2_KBD_CMD_SCANCODE_SET  0xf0
-#define PS2_KBD_CMD_IDENTIFY  0xf2
-#define PS2_KBD_CMD_SCAN_ENABLE  0xf4
-#define PS2_KBD_CMD_SCAN_DISABLE  0xf5
+#define PS2_KBD_CMD_SETLED 0xed
+#define PS2_KBD_CMD_ECHO 0xee
+#define PS2_KBD_CMD_SCANCODE_SET 0xf0
+#define PS2_KBD_CMD_IDENTIFY 0xf2
+#define PS2_KBD_CMD_SCAN_ENABLE 0xf4
+#define PS2_KBD_CMD_SCAN_DISABLE 0xf5

 
 // PS/2 *controller* related commands
 
 // PS/2 *controller* related commands

-#define PS2_CMD_PORT1_DISABLE  0xad
-#define PS2_CMD_PORT1_ENABLE  0xae
-#define PS2_CMD_PORT2_DISABLE  0xa7
-#define PS2_CMD_PORT2_ENABLE  0xa8
-#define PS2_CMD_SELFTEST      0xaa
-#define PS2_CMD_SELFTEST_PORT1      0xab
+#define PS2_CMD_PORT1_DISABLE 0xad
+#define PS2_CMD_PORT1_ENABLE 0xae
+#define PS2_CMD_PORT2_DISABLE 0xa7
+#define PS2_CMD_PORT2_ENABLE 0xa8
+#define PS2_CMD_SELFTEST 0xaa
+#define PS2_CMD_SELFTEST_PORT1 0xab

 
 

-#define PS2_CMD_READ_CFG       0x20
-#define PS2_CMD_WRITE_CFG       0x60
+#define PS2_CMD_READ_CFG 0x20
+#define PS2_CMD_WRITE_CFG 0x60

 
 

-#define PS2_CFG_P1INT             0x1
-#define PS2_CFG_P2INT             0x2
-#define PS2_CFG_TRANSLATION       0x40
+#define PS2_CFG_P1INT 0x1
+#define PS2_CFG_P2INT 0x2
+#define PS2_CFG_TRANSLATION 0x40

 
 

-#define PS2_DELAY       1000
+#define PS2_DELAY 1000

 
 #define PS2_CMD_QUEUE_SIZE 8
 
 #define PS2_CMD_QUEUE_SIZE 8

-#define PS2_KBD_RECV_BUFFER_SIZE 8

 
 #define PS2_NO_ARG 0xff00
 
 
 #define PS2_NO_ARG 0xff00
 

-
-#define KBD_KEY_RELEASED 0x0
-#define KBD_KEY_PRESSED 0x1
-#define KBD_KEY_SCRLLKED 0x2
-#define KBD_KEY_NUMBLKED 0x4
-#define KBD_KEY_CAPSLKED 0x8
-
-typedef unsigned char kbd_kstate_t;
-
-struct kdb_keyinfo_pkt {
-    char key;
-    kbd_keycode code;
-    kbd_kstate_t state;
-    time_t timestamp;
-};
-
-struct ps2_cmd {
+struct ps2_cmd
+{

     char cmd;
     char arg;
 };
 
     char cmd;
     char arg;
 };
 

-struct ps2_kbd_state {
-    char state;
-    kbd_keycode* translation_table;
-    kbd_kstate_t key_state;
+struct ps2_kbd_state
+{
+    volatile char state;
+    volatile char masked;
+    volatile kbd_kstate_t key_state;
+    kbd_keycode_t* translation_table;

 };
 
 };
 

-struct ps2_cmd_queue {
+struct ps2_cmd_queue
+{

     struct ps2_cmd cmd_queue[PS2_CMD_QUEUE_SIZE];
     int queue_ptr;
     int queue_len;
     struct ps2_cmd cmd_queue[PS2_CMD_QUEUE_SIZE];
     int queue_ptr;
     int queue_len;

+    mutex_t mutex;

 };
 
 };
 

-struct ps2_key_buffer {
-    struct kdb_keyinfo_pkt key_buff[PS2_KBD_RECV_BUFFER_SIZE];
-    int buffer_ptr;
-    // We don't bother whether the buff is full or not, just override.
-};
+/**
+ * @brief 向PS/2控制器的控制端口(0x64)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。
+ * 通过调用该方法向控制器发送指令，请区别 ps2_issue_dev_cmd
+ *
+ * @param cmd
+ * @param args
+ */
+static uint8_t
+ps2_issue_cmd(char cmd, uint16_t arg);

 
 /**
 
 /**

- * @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。
- * 
- * @param cmd 
+ * @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。
+ * 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。
+ * 通过调用该方法向PS/2设备发送指令，请区别 ps2_issue_cmd
+ *
+ * @param cmd

  * @param args
  */
  * @param args
  */

-static uint8_t ps2_issue_cmd(char cmd, uint16_t arg);
+static uint8_t
+ps2_issue_dev_cmd(char cmd, uint16_t arg);

 
 /**
  * @brief 向PS/2控制器发送指令，不等待返回代码。
 
 /**
  * @brief 向PS/2控制器发送指令，不等待返回代码。

- * 
- * @param cmd 
- * @param args 
- * @return char 
+ *
+ * @param port 端口号
+ * @param cmd
+ * @param args
+ * @return char

  */
  */

-static void ps2_post_cmd(char cmd, uint16_t arg);
-
-void ps2_device_post_cmd(char cmd, char arg);
-
-void ps2_kbd_init();
-
-void ps2_process_cmd(void* arg);
+static void
+ps2_post_cmd(uint8_t port, char cmd, uint16_t arg);

 
 

+void
+ps2_device_post_cmd(char cmd, char arg);

 
 

+void
+ps2_kbd_init();

 
 

+void
+ps2_process_cmd(void* arg);

 
 #endif /* __LUNAIX_PS2KBD_H */
 
 #endif /* __LUNAIX_PS2KBD_H */