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 #ifndef __sparc__ 8 #include <asm/serial.h> 9 #endif 10 11 /* 12 * this is cut&paste from 8250.h. Get rid of the structure, the definitions 13 * and this whole broken driver. 14 */ 15 struct old_serial_port { 16 unsigned int uart; /* unused */ 17 unsigned int baud_base; 18 unsigned int port; 19 unsigned int irq; 20 unsigned int 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() ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY) 39 40 /* 2.6.22 doesn't have them any more, hardcode it for now (these values should 41 * be fine for 99% cases) */ 42 #ifndef BASE_BAUD 43 #define BASE_BAUD (1843200 / 16) 44 #endif 45 #ifndef STD_COM_FLAGS 46 #ifdef CONFIG_SERIAL_DETECT_IRQ 47 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) 48 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) 49 #else 50 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) 51 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF 52 #endif 53 #endif 54 #ifndef SERIAL_PORT_DFNS 55 #define SERIAL_PORT_DFNS \ 56 /* UART CLK PORT IRQ FLAGS */ \ 57 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ 58 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ 59 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ 60 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ 61 #endif 62 #ifndef IRQF_SHARED 63 #define IRQF_SHARED SA_SHIRQ 64 #endif 65 66 #endif 67