#define __LUNAIX_PS2KBD_H
#include <hal/io.h>
+#include <lunaix/ds/mutex.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
-#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
-#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_KBD_RECV_BUFFER_SIZE 8
#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;
};
-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;
+ 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.
+struct ps2_key_buffer
+{
+ struct kdb_keyinfo_pkt buffer[PS2_KBD_RECV_BUFFER_SIZE];
+ int read_ptr;
+ int buffered_len;
+ mutex_t mutex;
};
/**
- * @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);
+static uint8_t
+ps2_issue_cmd(char cmd, uint16_t arg);
/**
- * @brief 向PS/2控制器发送指令，不等待返回代码。
- *
- * @param cmd
- * @param args
- * @return char
+ * @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
*/
-static void ps2_post_cmd(char cmd, uint16_t arg);
+static uint8_t
+ps2_issue_dev_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);
+/**
+ * @brief 向PS/2控制器发送指令，不等待返回代码。
+ *
+ * @param port 端口号
+ * @param cmd
+ * @param args
+ * @return char
+ */
+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 */
git://scm.lunaixsky.com / lunaix-os.git / blobdiff