1 #ifndef _SPEAKUP_SERIAL_H
2 #define _SPEAKUP_SERIAL_H
4 #include <linux/serial.h> /* for rs_table, serial constants &
6 #include <linux/serial_reg.h> /* for more serial constants */
8 #include <asm/serial.h>
12 * this is cut&paste from 8250.h. Get rid of the structure, the definitions
13 * and this whole broken driver.
15 struct old_serial_port {
16 unsigned int uart; /* unused */
17 unsigned int baud_base;
20 unsigned int flags; /* unused */
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 */
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)
38 #define spk_serial_tx_busy() ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY)
40 /* 2.6.22 doesn't have them any more, hardcode it for now (these values should
41 * be fine for 99% cases) */
43 #define BASE_BAUD (1843200 / 16)
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)
50 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
51 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
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 */
63 #define IRQF_SHARED SA_SHIRQ