1 /* $Id: isdn_tty.h,v 1.1.2.2 2004/01/12 22:37:19 keil Exp $
2  *
3  * header for Linux ISDN subsystem, tty related functions (linklevel).
4  *
5  * Copyright 1994-1999  by Fritz Elfert (fritz@isdn4linux.de)
6  * Copyright 1995,96    by Thinking Objects Software GmbH Wuerzburg
7  *
8  * This software may be used and distributed according to the terms
9  * of the GNU General Public License, incorporated herein by reference.
10  *
11  */
12 
13 
14 #define DLE 0x10
15 #define ETX 0x03
16 #define DC4 0x14
17 
18 
19 /*
20  * Definition of some special Registers of AT-Emulator
21  */
22 #define REG_RINGATA   0
23 #define REG_RINGCNT   1  /* ring counter register */
24 #define REG_ESC       2
25 #define REG_CR        3
26 #define REG_LF        4
27 #define REG_BS        5
28 
29 #define REG_WAITC     7
30 
31 #define REG_RESP     12  /* show response messages register */
32 #define BIT_RESP      1  /* show response messages bit      */
33 #define REG_RESPNUM  12  /* show numeric responses register */
34 #define BIT_RESPNUM   2  /* show numeric responses bit      */
35 #define REG_ECHO     12
36 #define BIT_ECHO      4
37 #define REG_DCD      12
38 #define BIT_DCD       8
39 #define REG_CTS      12
40 #define BIT_CTS      16
41 #define REG_DTRR     12
42 #define BIT_DTRR     32
43 #define REG_DSR      12
44 #define BIT_DSR      64
45 #define REG_CPPP     12
46 #define BIT_CPPP    128
47 
48 #define REG_DXMT     13
49 #define BIT_DXMT      1
50 #define REG_T70      13
51 #define BIT_T70       2
52 #define BIT_T70_EXT  32
53 #define REG_DTRHUP   13
54 #define BIT_DTRHUP    4
55 #define REG_RESPXT   13
56 #define BIT_RESPXT    8
57 #define REG_CIDONCE  13
58 #define BIT_CIDONCE  16
59 #define REG_RUNG     13  /* show RUNG message register      */
60 #define BIT_RUNG     64  /* show RUNG message bit           */
61 #define REG_DISPLAY  13
62 #define BIT_DISPLAY 128
63 
64 #define REG_L2PROT   14
65 #define REG_L3PROT   15
66 #define REG_PSIZE    16
67 #define REG_WSIZE    17
68 #define REG_SI1      18
69 #define REG_SI2      19
70 #define REG_SI1I     20
71 #define REG_PLAN     21
72 #define REG_SCREEN   22
73 
74 #define REG_CPN      23
75 #define BIT_CPN       1
76 #define REG_CPNFCON  23
77 #define BIT_CPNFCON   2
78 #define REG_CDN      23
79 #define BIT_CDN       4
80 
81 /* defines for result codes */
82 #define RESULT_OK		0
83 #define RESULT_CONNECT		1
84 #define RESULT_RING		2
85 #define RESULT_NO_CARRIER	3
86 #define RESULT_ERROR		4
87 #define RESULT_CONNECT64000	5
88 #define RESULT_NO_DIALTONE	6
89 #define RESULT_BUSY		7
90 #define RESULT_NO_ANSWER	8
91 #define RESULT_RINGING		9
92 #define RESULT_NO_MSN_EAZ	10
93 #define RESULT_VCON		11
94 #define RESULT_RUNG		12
95 
96 #define TTY_IS_FCLASS1(info)						\
97 	((info->emu.mdmreg[REG_L2PROT] == ISDN_PROTO_L2_FAX) &&		\
98 	 (info->emu.mdmreg[REG_L3PROT] == ISDN_PROTO_L3_FCLASS1))
99 #define TTY_IS_FCLASS2(info)						\
100 	((info->emu.mdmreg[REG_L2PROT] == ISDN_PROTO_L2_FAX) &&		\
101 	 (info->emu.mdmreg[REG_L3PROT] == ISDN_PROTO_L3_FCLASS2))
102 
103 extern void isdn_tty_modem_escape(void);
104 extern void isdn_tty_modem_ring(void);
105 extern void isdn_tty_carrier_timeout(void);
106 extern void isdn_tty_modem_xmit(void);
107 extern int  isdn_tty_modem_init(void);
108 extern void isdn_tty_exit(void);
109 extern void isdn_tty_readmodem(void);
110 extern int  isdn_tty_find_icall(int, int, setup_parm *);
111 extern int  isdn_tty_stat_callback(int, isdn_ctrl *);
112 extern int  isdn_tty_rcv_skb(int, int, int, struct sk_buff *);
113 extern int  isdn_tty_capi_facility(capi_msg *cm);
114 extern void isdn_tty_at_cout(char *, modem_info *);
115 extern void isdn_tty_modem_hup(modem_info *, int);
116 #ifdef CONFIG_ISDN_TTY_FAX
117 extern int  isdn_tty_cmd_PLUSF_FAX(char **, modem_info *);
118 extern int  isdn_tty_fax_command(modem_info *, isdn_ctrl *);
119 extern void isdn_tty_fax_bitorder(modem_info *, struct sk_buff *);
120 #endif
121