ns16550.h File Reference

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Defines
#define	RECEIVE_BUFFER_REGISTER   ((ULONG)((0x00)*SERIAL_REGISTER_STRIDE))
#define	TRANSMIT_HOLDING_REGISTER   ((ULONG)((0x00)*SERIAL_REGISTER_STRIDE))
#define	INTERRUPT_ENABLE_REGISTER   ((ULONG)((0x01)*SERIAL_REGISTER_STRIDE))
#define	INTERRUPT_IDENT_REGISTER   ((ULONG)((0x02)*SERIAL_REGISTER_STRIDE))
#define	FIFO_CONTROL_REGISTER   ((ULONG)((0x02)*SERIAL_REGISTER_STRIDE))
#define	LINE_CONTROL_REGISTER   ((ULONG)((0x03)*SERIAL_REGISTER_STRIDE))
#define	MODEM_CONTROL_REGISTER   ((ULONG)((0x04)*SERIAL_REGISTER_STRIDE))
#define	LINE_STATUS_REGISTER   ((ULONG)((0x05)*SERIAL_REGISTER_STRIDE))
#define	MODEM_STATUS_REGISTER   ((ULONG)((0x06)*SERIAL_REGISTER_STRIDE))
#define	DIVISOR_LATCH_LSB   ((ULONG)((0x00)*SERIAL_REGISTER_STRIDE))
#define	DIVISOR_LATCH_MSB   ((ULONG)((0x01)*SERIAL_REGISTER_STRIDE))
#define	SERIAL_REGISTER_SPAN   ((ULONG)(7*SERIAL_REGISTER_STRIDE))
#define	SERIAL_STATUS_LENGTH   ((ULONG)(1*SERIAL_REGISTER_STRIDE))
#define	SERIAL_DATA_LENGTH_5   0x00
#define	SERIAL_DATA_LENGTH_6   0x01
#define	SERIAL_DATA_LENGTH_7   0x02
#define	SERIAL_DATA_LENGTH_8   0x03
#define	SERIAL_IER_RDA   0x01
#define	SERIAL_IER_THR   0x02
#define	SERIAL_IER_RLS   0x04
#define	SERIAL_IER_MS   0x08
#define	SERIAL_IIR_RLS   0x06
#define	SERIAL_IIR_RDA   0x04
#define	SERIAL_IIR_CTI   0x0c
#define	SERIAL_IIR_THR   0x02
#define	SERIAL_IIR_MS   0x00
#define	SERIAL_IIR_FIFOS_ENABLED   0xc0
#define	SERIAL_IIR_NO_INTERRUPT_PENDING   0x01
#define	SERIAL_IIR_MUST_BE_ZERO   0x30
#define	SERIAL_FCR_ENABLE   ((UCHAR)0x01)
#define	SERIAL_FCR_RCVR_RESET   ((UCHAR)0x02)
#define	SERIAL_FCR_TXMT_RESET   ((UCHAR)0x04)
#define	SERIAL_1_BYTE_HIGH_WATER   ((UCHAR)0x00)
#define	SERIAL_4_BYTE_HIGH_WATER   ((UCHAR)0x40)
#define	SERIAL_8_BYTE_HIGH_WATER   ((UCHAR)0x80)
#define	SERIAL_14_BYTE_HIGH_WATER   ((UCHAR)0xc0)
#define	SERIAL_LCR_DLAB   0x80
#define	SERIAL_LCR_BREAK   0x40
#define	SERIAL_5_DATA   ((UCHAR)0x00)
#define	SERIAL_6_DATA   ((UCHAR)0x01)
#define	SERIAL_7_DATA   ((UCHAR)0x02)
#define	SERIAL_8_DATA   ((UCHAR)0x03)
#define	SERIAL_DATA_MASK   ((UCHAR)0x03)
#define	SERIAL_1_STOP   ((UCHAR)0x00)
#define	SERIAL_1_5_STOP   ((UCHAR)0x04)
#define	SERIAL_2_STOP   ((UCHAR)0x04)
#define	SERIAL_STOP_MASK   ((UCHAR)0x04)
#define	SERIAL_NONE_PARITY   ((UCHAR)0x00)
#define	SERIAL_ODD_PARITY   ((UCHAR)0x08)
#define	SERIAL_EVEN_PARITY   ((UCHAR)0x18)
#define	SERIAL_MARK_PARITY   ((UCHAR)0x28)
#define	SERIAL_SPACE_PARITY   ((UCHAR)0x38)
#define	SERIAL_PARITY_MASK   ((UCHAR)0x38)
#define	SERIAL_MCR_DTR   0x01
#define	SERIAL_MCR_RTS   0x02
#define	SERIAL_MCR_OUT1   0x04
#define	SERIAL_MCR_OUT2   0x08
#define	SERIAL_MCR_LOOP   0x10
#define	SERIAL_MCR_TL16C550CAFE   0x20
#define	SERIAL_LSR_DR   0x01
#define	SERIAL_LSR_OE   0x02
#define	SERIAL_LSR_PE   0x04
#define	SERIAL_LSR_FE   0x08
#define	SERIAL_LSR_BI   0x10
#define	SERIAL_LSR_THRE   0x20
#define	SERIAL_LSR_TEMT   0x40
#define	SERIAL_LSR_FIFOERR   0x80
#define	SERIAL_MSR_DCTS   0x01
#define	SERIAL_MSR_DDSR   0x02
#define	SERIAL_MSR_TERI   0x04
#define	SERIAL_MSR_DDCD   0x08
#define	SERIAL_MSR_CTS   0x10
#define	SERIAL_MSR_DSR   0x20
#define	SERIAL_MSR_RI   0x40
#define	SERIAL_MSR_DCD   0x80