diff options
Diffstat (limited to 'drivers/staging/speakup/serialio.h')
| -rw-r--r-- | drivers/staging/speakup/serialio.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/staging/speakup/serialio.h b/drivers/staging/speakup/serialio.h new file mode 100644 index 0000000..d785b1f --- /dev/null +++ b/drivers/staging/speakup/serialio.h @@ -0,0 +1,55 @@ +#ifndef _SPEAKUP_SERIAL_H +#define _SPEAKUP_SERIAL_H + +#include <linux/serial.h> /* for rs_table, serial constants & + serial_uart_config */ +#include <linux/serial_reg.h> /* for more serial constants */ +#include <linux/serialP.h> /* for struct serial_state */ +#ifndef __sparc__ +#include <asm/serial.h> +#endif + +/* countdown values for serial timeouts in us */ +#define SPK_SERIAL_TIMEOUT 100000 +/* countdown values transmitter/dsr timeouts in us */ +#define SPK_XMITR_TIMEOUT 100000 +/* countdown values cts timeouts in us */ +#define SPK_CTS_TIMEOUT 100000 +/* check ttyS0 ... ttyS3 */ +#define SPK_LO_TTY 0 +#define SPK_HI_TTY 3 +/* # of timeouts permitted before disable */ +#define NUM_DISABLE_TIMEOUTS 3 +/* buffer timeout in ms */ +#define SPK_TIMEOUT 100 +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) + +#define spk_serial_tx_busy() ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY) + +/* 2.6.22 doesn't have them any more, hardcode it for now (these values should + * be fine for 99% cases) */ +#ifndef BASE_BAUD +#define BASE_BAUD (1843200 / 16) +#endif +#ifndef STD_COM_FLAGS +#ifdef CONFIG_SERIAL_DETECT_IRQ +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) +#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) +#else +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) +#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF +#endif +#endif +#ifndef SERIAL_PORT_DFNS +#define SERIAL_PORT_DFNS \ + /* UART CLK PORT IRQ FLAGS */ \ + { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ + { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ + { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ + { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ +#endif +#ifndef IRQF_SHARED +#define IRQF_SHARED SA_SHIRQ +#endif + +#endif |
