44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#ifndef _SPEAKUP_SERIAL_H
|
|
#define _SPEAKUP_SERIAL_H
|
|
|
|
#include <linux/serial.h> /* for rs_table, serial constants */
|
|
#include <linux/serial_reg.h> /* for more serial constants */
|
|
#ifndef __sparc__
|
|
#include <linux/serial.h>
|
|
#endif
|
|
#include <linux/serial_core.h>
|
|
|
|
#include "spk_priv.h"
|
|
|
|
/*
|
|
* this is cut&paste from 8250.h. Get rid of the structure, the definitions
|
|
* and this whole broken driver.
|
|
*/
|
|
struct old_serial_port {
|
|
unsigned int uart; /* unused */
|
|
unsigned int baud_base;
|
|
unsigned int port;
|
|
unsigned int irq;
|
|
upf_t flags; /* unused */
|
|
};
|
|
|
|
/* countdown values for serial timeouts in us */
|
|
#define SPK_SERIAL_TIMEOUT SPK_SYNTH_TIMEOUT
|
|
/* countdown values transmitter/dsr timeouts in us */
|
|
#define SPK_XMITR_TIMEOUT 100000
|
|
/* countdown values cts timeouts in us */
|
|
#define SPK_CTS_TIMEOUT 100000
|
|
/* check ttyS0 ... ttyS3 */
|
|
#define SPK_LO_TTY 0
|
|
#define SPK_HI_TTY 3
|
|
/* # of timeouts permitted before disable */
|
|
#define NUM_DISABLE_TIMEOUTS 3
|
|
/* buffer timeout in ms */
|
|
#define SPK_TIMEOUT 100
|
|
#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
|
|
|
|
#define spk_serial_tx_busy() \
|
|
((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY)
|
|
|
|
#endif
|