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#ifndef _JOVE_DEVICE_SERIAL_H
#define _JOVE_DEVICE_SERIAL_H 1
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include "klib/spinlock.h"
#define SERIAL_UART_COM1 0x3F8
#define SERIAL_UART_COM2 0x2F8
#define SERIAL_UART_COM_THR(COM) COM
#define SERIAL_UART_COM_RBR(COM) COM
#define SERIAL_UART_COM_DLAB_DLL(COM) COM
#define SERIAL_UART_COM_IER(COM) (COM + 1)
#define SERIAL_UART_COM_DLAB_DLH(COM) (COM + 1)
#define SERIAL_UART_COM_IIR(COM) (COM + 2)
#define SERIAL_UART_COM_FCR(COM) (COM + 2)
#define SERIAL_UART_COM_LCR(COM) (COM + 3)
#define SERIAL_UART_COM_MCR(COM) (COM + 4)
#define SERIAL_UART_COM_LSR(COM) (COM + 5)
#define SERIAL_UART_COM_MSR(COM) (COM + 6)
#define SERIAL_UART_COM_SR(COM) (COM + 7)
typedef struct serial_device
{
uint16_t com;
spinlock_t lock;
} serial_dev_t;
extern serial_dev_t COM1;
void serial_setup(void);
serial_dev_t serial_new(uint16_t com);
void serial_set_int(serial_dev_t *dev, bool enable);
void serial_set_baud(serial_dev_t *dev, uint16_t baud);
void serial_set_fcr(serial_dev_t *dev, uint16_t flg);
void serial_set_lcr(serial_dev_t *dev, uint16_t flg);
void serial_set_mcr(serial_dev_t *dev, uint16_t flg);
void serial_set_lsr(serial_dev_t *dev, uint16_t flg);
void serial_set_msr(serial_dev_t *dev, uint16_t flg);
uint8_t serial_line_status(serial_dev_t *dev);
void serial_write(serial_dev_t *dev, const char *s, size_t len);
#endif
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