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c6e3fd22 WH |
1 | #ifndef _SPEAKUP_SERIAL_H |
2 | #define _SPEAKUP_SERIAL_H | |
3 | ||
4b71598b | 4 | #include <linux/serial.h> /* for rs_table, serial constants */ |
c6e3fd22 | 5 | #include <linux/serial_reg.h> /* for more serial constants */ |
c6e3fd22 WH |
6 | #ifndef __sparc__ |
7 | #include <asm/serial.h> | |
8 | #endif | |
9 | ||
3ee0017e JS |
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 | ||
c6e3fd22 WH |
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() ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY) | |
38 | ||
39 | /* 2.6.22 doesn't have them any more, hardcode it for now (these values should | |
40 | * be fine for 99% cases) */ | |
41 | #ifndef BASE_BAUD | |
42 | #define BASE_BAUD (1843200 / 16) | |
43 | #endif | |
44 | #ifndef STD_COM_FLAGS | |
45 | #ifdef CONFIG_SERIAL_DETECT_IRQ | |
46 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) | |
47 | #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) | |
48 | #else | |
49 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) | |
50 | #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF | |
51 | #endif | |
52 | #endif | |
53 | #ifndef SERIAL_PORT_DFNS | |
54 | #define SERIAL_PORT_DFNS \ | |
55 | /* UART CLK PORT IRQ FLAGS */ \ | |
56 | { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ | |
57 | { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ | |
58 | { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ | |
59 | { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ | |
60 | #endif | |
61 | #ifndef IRQF_SHARED | |
62 | #define IRQF_SHARED SA_SHIRQ | |
63 | #endif | |
64 | ||
65 | #endif |