1#ifndef _SPEAKUP_SERIAL_H
 2#define _SPEAKUP_SERIAL_H
 3
 4#include <linux/serial.h>	/* for rs_table, serial constants */
 5#include <linux/serial_reg.h>	/* for more serial constants */
 6#ifndef __sparc__
 7#include <linux/serial.h>
 8#endif
 9
10/*
11 * this is cut&paste from 8250.h. Get rid of the structure, the definitions
12 * and this whole broken driver.
13 */
14struct old_serial_port {
15	unsigned int uart; /* unused */
16	unsigned int baud_base;
17	unsigned int port;
18	unsigned int irq;
19	unsigned int flags; /* unused */
20};
21
22/* countdown values for serial timeouts in us */
23#define SPK_SERIAL_TIMEOUT 100000
24/* countdown values transmitter/dsr timeouts in us */
25#define SPK_XMITR_TIMEOUT 100000
26/* countdown values cts timeouts in us */
27#define SPK_CTS_TIMEOUT 100000
28/* check ttyS0 ... ttyS3 */
29#define SPK_LO_TTY 0
30#define SPK_HI_TTY 3
31/* # of timeouts permitted before disable */
32#define NUM_DISABLE_TIMEOUTS 3
33/* buffer timeout in ms */
34#define SPK_TIMEOUT 100
35#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
36
37#define spk_serial_tx_busy() \
38	((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY)
39
40#endif