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Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libchip/serial/ns16550_p.h | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/c/src/lib/libchip/serial/ns16550_p.h b/c/src/lib/libchip/serial/ns16550_p.h deleted file mode 100644 index 27c3502a0d..0000000000 --- a/c/src/lib/libchip/serial/ns16550_p.h +++ /dev/null @@ -1,238 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - * $Id$ - */ - -#ifndef _NS16550_P_H_ -#define _NS16550_P_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Define NS16550_STATIC to nothing while debugging so the entry points - * will show up in the symbol table. - */ - -#define NS16550_STATIC - -/* #define NS16550_STATIC static */ - -/* - * Define serial port read registers structure. - */ - -typedef volatile struct _SP_READ_REGISTERS { - unsigned char ReceiveBuffer; - unsigned char InterruptEnable; - unsigned char InterruptId; - unsigned char LineControl; - unsigned char ModemControl; - unsigned char LineStatus; - unsigned char ModemStatus; - unsigned char ScratchPad; -} SP_READ_REGISTERS, *PSP_READ_REGISTERS; - -#define NS16550_RECEIVE_BUFFER 0 -#define NS16550_INTERRUPT_ENABLE 1 -#define NS16550_INTERRUPT_ID 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 serial port write registers structure. - */ - -typedef volatile struct _SP_WRITE_REGISTERS { - unsigned char TransmitBuffer; - unsigned char InterruptEnable; - unsigned char FifoControl; - unsigned char LineControl; - unsigned char ModemControl; - unsigned char Reserved1; - unsigned char ModemStatus; - unsigned char ScratchPad; -} SP_WRITE_REGISTERS, *PSP_WRITE_REGISTERS; - -#define NS16550_TRANSMIT_BUFFER 0 -#define NS16550_FIFO_CONTROL 2 - -/* - * Define serial port interrupt enable register structure. - */ - -#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 serial port interrupt id register structure. - */ - -typedef struct _SP_INTERRUPT_ID { - unsigned char InterruptPending : 1; - unsigned char Identification : 3; - unsigned char Reserved1 : 2; - unsigned char FifoEnabled : 2; -} SP_INTERRUPT_ID, *PSP_INTERRUPT_ID; - -/* - * Define serial port fifo control register structure. - */ - -#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 serial port line control register structure. - */ - -#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 - -/* - * Line status register character size definitions. - */ - -#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 */ - -/* - * Line speed divisor definition. - */ - -#define NS16550_Baud(baud_rate) (115200/baud_rate) - -/* - * Define serial port modem control register structure. - */ - -#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 serial port line status register structure. - */ - -#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 - -typedef struct _ns16550_context -{ - unsigned8 ucModemCtrl; -} ns16550_context; - -/* - * Driver functions - */ - -NS16550_STATIC boolean ns16550_probe(int minor); - -NS16550_STATIC void ns16550_init(int minor); - -NS16550_STATIC int ns16550_open( - int major, - int minor, - void * arg -); - -NS16550_STATIC int ns16550_close( - int major, - int minor, - void * arg -); - -NS16550_STATIC void ns16550_write_polled( - int minor, - char cChar -); - -NS16550_STATIC int ns16550_assert_RTS( - int minor -); - -NS16550_STATIC int ns16550_negate_RTS( - int minor -); - -NS16550_STATIC int ns16550_assert_DTR( - int minor -); - -NS16550_STATIC int ns16550_negate_DTR( - int minor -); - -NS16550_STATIC void ns16550_initialize_interrupts(int minor); - -NS16550_STATIC int ns16550_write_support_int( - int minor, - const char *buf, - int len -); - -NS16550_STATIC int ns16550_write_support_polled( - int minor, - const char *buf, - int len - ); - -NS16550_STATIC int ns16550_inbyte_nonblocking_polled( - int minor -); - -NS16550_STATIC void ns16550_enable_interrupts( - int minor, - int mask -); - -NS16550_STATIC int ns16550_set_attributes( - int minor, - const struct termios *t -); - -#ifdef __cplusplus -} -#endif - -#endif /* _NS16550_P_H_ */ |