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 */ 14 struct 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 41