ns16550_p.h File Reference

#include <libchip/serial.h>

Go to the source code of this file.

Macros
#define	NS16550_STATIC   static
#define	NS16550_RECEIVE_BUFFER   0
#define	NS16550_TRANSMIT_BUFFER   0
#define	NS16550_DIVISOR_LATCH_L   0
#define	NS16550_INTERRUPT_ENABLE   1
#define	NS16550_DIVISOR_LATCH_M   1
#define	NS16550_INTERRUPT_ID   2
#define	NS16550_FIFO_CONTROL   2
#define	NS16550_LINE_CONTROL   3
#define	NS16550_MODEM_CONTROL   4
#define	NS16550_LINE_STATUS   5
#define	NS16550_MODEM_STATUS   6
#define	NS16550_SCRATCH_PAD   7
#define	NS16550_FRACTIONAL_DIVIDER   10
#define	SP_INT_RX_ENABLE   0x01
#define	SP_INT_TX_ENABLE   0x02
#define	SP_INT_LS_ENABLE   0x04
#define	SP_INT_MS_ENABLE   0x08
#define	NS16550_ENABLE_ALL_INTR   (SP_INT_RX_ENABLE | SP_INT_TX_ENABLE)
#define	NS16550_DISABLE_ALL_INTR   0x00
#define	NS16550_ENABLE_ALL_INTR_EXCEPT_TX   (SP_INT_RX_ENABLE)
#define	SP_IID_0   0x01
#define	SP_IID_1   0x02
#define	SP_IID_2   0x04
#define	SP_IID_3   0x08
#define	SP_FIFO_ENABLE   0x01
#define	SP_FIFO_RXRST   0x02
#define	SP_FIFO_TXRST   0x04
#define	SP_FIFO_DMA   0x08
#define	SP_FIFO_RXLEVEL   0xc0
#define	SP_FIFO_SIZE   16
#define	SP_LINE_SIZE   0x03
#define	SP_LINE_STOP   0x04
#define	SP_LINE_PAR   0x08
#define	SP_LINE_ODD   0x10
#define	SP_LINE_STICK   0x20
#define	SP_LINE_BREAK   0x40
#define	SP_LINE_DLAB   0x80
#define	FIVE_BITS   0x0 /* five bits per character */
#define	SIX_BITS   0x1 /* six bits per character */
#define	SEVEN_BITS   0x2 /* seven bits per character */
#define	EIGHT_BITS   0x3 /* eight bits per character */
#define	SP_MODEM_DTR   0x01
#define	SP_MODEM_RTS   0x02
#define	SP_MODEM_IRQ   0x08
#define	SP_MODEM_LOOP   0x10
#define	SP_MODEM_DIV4   0x80
#define	SP_LSR_RDY   0x01
#define	SP_LSR_EOVRUN   0x02
#define	SP_LSR_EPAR   0x04
#define	SP_LSR_EFRAME   0x08
#define	SP_LSR_BREAK   0x10
#define	SP_LSR_THOLD   0x20
#define	SP_LSR_TX   0x40
#define	SP_LSR_EFIFO   0x80