1#ifndef _SPEAKUP_SERIAL_H
 2#define _SPEAKUP_SERIAL_H
 3
 4#include <linux/serial.h>	/* for rs_table, serial constants &
 5				   serial_uart_config */
 6#include <linux/serial_reg.h>	/* for more serial constants */
 7#include <linux/serialP.h>	/* for struct serial_state */
 8#ifndef __sparc__
 9#include <asm/serial.h>
10#endif
11
12/* countdown values for serial timeouts in us */
13#define SPK_SERIAL_TIMEOUT 100000
14/* countdown values transmitter/dsr timeouts in us */
15#define SPK_XMITR_TIMEOUT 100000
16/* countdown values cts timeouts in us */
17#define SPK_CTS_TIMEOUT 100000
18/* check ttyS0 ... ttyS3 */
19#define SPK_LO_TTY 0
20#define SPK_HI_TTY 3
21/* # of timeouts permitted before disable */
22#define NUM_DISABLE_TIMEOUTS 3
23/* buffer timeout in ms */
24#define SPK_TIMEOUT 100
25#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
26
27#define spk_serial_tx_busy() ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY)
28
29/* 2.6.22 doesn't have them any more, hardcode it for now (these values should
30 * be fine for 99% cases) */
31#ifndef BASE_BAUD
32#define BASE_BAUD (1843200 / 16)
33#endif
34#ifndef STD_COM_FLAGS
35#ifdef CONFIG_SERIAL_DETECT_IRQ
36#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
37#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
38#else
39#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
40#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
41#endif
42#endif
43#ifndef SERIAL_PORT_DFNS
44#define SERIAL_PORT_DFNS			\
45	/* UART CLK   PORT IRQ     FLAGS        */			\
46	{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },	/* ttyS0 */	\
47	{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },	/* ttyS1 */	\
48	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },	/* ttyS2 */	\
49	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },	/* ttyS3 */
50#endif
51#ifndef IRQF_SHARED
52#define IRQF_SHARED SA_SHIRQ
53#endif
54
55#endif