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 56