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#include <linux/serial_core.h> 10 11/* 12 * this is cut&paste from 8250.h. Get rid of the structure, the definitions 13 * and this whole broken driver. 14 */ 15struct old_serial_port { 16 unsigned int uart; /* unused */ 17 unsigned int baud_base; 18 unsigned int port; 19 unsigned int irq; 20 upf_t flags; /* unused */ 21}; 22 23/* countdown values for serial timeouts in us */ 24#define SPK_SERIAL_TIMEOUT 100000 25/* countdown values transmitter/dsr timeouts in us */ 26#define SPK_XMITR_TIMEOUT 100000 27/* countdown values cts timeouts in us */ 28#define SPK_CTS_TIMEOUT 100000 29/* check ttyS0 ... ttyS3 */ 30#define SPK_LO_TTY 0 31#define SPK_HI_TTY 3 32/* # of timeouts permitted before disable */ 33#define NUM_DISABLE_TIMEOUTS 3 34/* buffer timeout in ms */ 35#define SPK_TIMEOUT 100 36#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) 37 38#define spk_serial_tx_busy() \ 39 ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY) 40 41#endif 42