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Rest of serial driver - WORK IN PROGRESS - MIGHT BREAK - DONT CHANGE !

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waltje
2017-06-16 16:34:31 -04:00
parent 2019183c29
commit ce09beb9c8
3 changed files with 173 additions and 84 deletions
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20
src/serial.h
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@@ -8,7 +8,7 @@
*
* Definitions for the SERIAL card.
*
* Version: @(#)serial.h 1.0.4 2017/06/03
* Version: @(#)serial.h 1.0.5 2017/06/07
*
* Author: Fred N. van Kempen, <decwiz@yahoo.com>
* Copyright 2017 Fred N. van Kempen.
@@ -24,16 +24,27 @@
#define SERIAL2_IRQ 3
/* Supported UART types. */
#define UART_TYPE_8250 0 /* standard NS8250 */
#define UART_TYPE_8250A 1 /* updated NS8250(A) */
#define UART_TYPE_16450 2 /* 16450 */
#define UART_TYPE_16550 3 /* 16550 (broken fifo) */
#define UART_TYPE_16550A 4 /* 16550a (working fifo) */
#define UART_TYPE_16670 5 /* 64b fifo */
typedef struct _serial_ {
int8_t port; /* port number (1,2,..) */
int8_t irq; /* IRQ channel used */
uint16_t addr; /* I/O address used */
int8_t type; /* UART type */
uint8_t int_status;
uint8_t lsr, thr, mctrl, rcr, /* UART registers */
iir, ier, lcr, msr;
uint8_t dlab1, dlab2;
uint8_t dat;
uint8_t int_status;
uint8_t dat,
hold;
uint8_t scratch;
uint8_t fcr;
@@ -41,7 +52,6 @@ typedef struct _serial_ {
void (*rts_callback)(void *);
void *rts_callback_p;
uint8_t hold;
uint8_t fifo[256];
int fifo_read, fifo_write;
@@ -58,7 +68,7 @@ extern void serial_setup(int port, uint16_t addr, int irq);
extern void serial_remove(int port);
extern SERIAL *serial_attach(int, void *, void *);
extern int serial_link(int, char *);
extern void serial_write_fifo(SERIAL *, uint8_t);
extern void serial_write_fifo(SERIAL *, uint8_t, int);
#endif /*EMU_SERIAL_H*/