File: /usr/src/linux/drivers/isdn/pcbit/pcbit.h

1     /*
2      * Copyright (C) 1996 Universidade de Lisboa
3      * 
4      * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
5      *
6      * This software may be used and distributed according to the terms of 
7      * the GNU General Public License, incorporated herein by reference.
8      */
9     
10     /*        
11      *        PCBIT-D device driver definitions
12      */
13     
14     #ifndef PCBIT_H
15     #define PCBIT_H
16     
17     #define MAX_PCBIT_CARDS 4
18     
19     
20     #define BLOCK_TIMER
21     
22     #ifdef __KERNEL__
23     
24     struct pcbit_chan {
25     	unsigned short id;
26     	unsigned short callref;                   /* Call Reference */
27     	unsigned char  proto;                     /* layer2protocol  */
28     	unsigned char  queued;                    /* unacked data messages */
29     	unsigned char  layer2link;                /* used in TData */
30     	unsigned char  snum;                      /* used in TData */
31     	unsigned short s_refnum;
32     	unsigned short r_refnum;
33     	unsigned short fsm_state;
34     	struct timer_list fsm_timer;
35     #ifdef  BLOCK_TIMER
36     	struct timer_list block_timer;
37     #endif
38     };
39     
40     struct msn_entry {
41     	char *msn;
42     	struct msn_entry * next;
43     };
44     
45     struct pcbit_dev {
46     	/* board */
47     
48     	volatile unsigned char* sh_mem;		/* RDP address	*/
49     	unsigned long ph_mem;
50     	unsigned int irq;
51     	unsigned int id;
52     	unsigned int interrupt;			/* set during interrupt 
53     						   processing */
54     	
55     	/* isdn4linux */
56     
57     	struct msn_entry * msn_list;		/* ISDN address list */
58     	
59     	isdn_if * dev_if;
60     	
61     	ushort ll_hdrlen;
62     	ushort hl_hdrlen;
63     
64     	/* link layer */
65     	unsigned char l2_state;
66     
67     	struct frame_buf *read_queue;
68     	struct frame_buf *read_frame;
69     	struct frame_buf *write_queue;
70     
71     	/* Protocol start */
72     	wait_queue_head_t set_running_wq;
73     	struct timer_list set_running_timer;
74     
75     	struct timer_list error_recover_timer;
76     
77     	struct tq_struct qdelivery;
78     
79     	u_char w_busy;
80     	u_char r_busy;
81     
82     	volatile unsigned char *readptr;
83     	volatile unsigned char *writeptr;
84     
85     	ushort loadptr;
86     
87     	unsigned short fsize[8];		/* sent layer2 frames size */
88     
89     	unsigned char send_seq;
90     	unsigned char rcv_seq;
91     	unsigned char unack_seq;
92       
93     	unsigned short free;
94     
95     	/* channels */
96     
97     	struct pcbit_chan *b1;
98     	struct pcbit_chan *b2;  
99     };
100     
101     #define STATS_TIMER (10*HZ)
102     #define ERRTIME     (HZ/10)
103     
104     /* MRU */
105     #define MAXBUFSIZE  1534
106     #define MRU   MAXBUFSIZE
107     
108     #define STATBUF_LEN 2048
109     /*
110      * 
111      */
112     
113     #endif /* __KERNEL__ */
114     
115     /* isdn_ctrl only allows a long sized argument */
116     
117     struct pcbit_ioctl {
118     	union {
119     		struct byte_op {
120     			ushort addr;
121     			ushort value;
122     		} rdp_byte;
123     		unsigned long l2_status;
124     	} info;
125     };
126     
127     
128     
129     #define PCBIT_IOCTL_GETSTAT  0x01    /* layer2 status */
130     #define PCBIT_IOCTL_LWMODE   0x02    /* linear write mode */
131     #define PCBIT_IOCTL_STRLOAD  0x03    /* start load mode */
132     #define PCBIT_IOCTL_ENDLOAD  0x04    /* end load mode */
133     #define PCBIT_IOCTL_SETBYTE  0x05    /* set byte */
134     #define PCBIT_IOCTL_GETBYTE  0x06    /* get byte */
135     #define PCBIT_IOCTL_RUNNING  0x07    /* set protocol running */
136     #define PCBIT_IOCTL_WATCH188 0x08    /* set watch 188 */
137     #define PCBIT_IOCTL_PING188  0x09    /* ping 188 */
138     #define PCBIT_IOCTL_FWMODE   0x0A    /* firmware write mode */
139     #define PCBIT_IOCTL_STOP     0x0B    /* stop protocol */
140     #define PCBIT_IOCTL_APION    0x0C    /* issue API_ON  */
141     
142     #ifndef __KERNEL__
143     
144     #define PCBIT_GETSTAT  (PCBIT_IOCTL_GETSTAT  + IIOCDRVCTL)
145     #define PCBIT_LWMODE   (PCBIT_IOCTL_LWMODE   + IIOCDRVCTL)
146     #define PCBIT_STRLOAD  (PCBIT_IOCTL_STRLOAD  + IIOCDRVCTL)
147     #define PCBIT_ENDLOAD  (PCBIT_IOCTL_ENDLOAD  + IIOCDRVCTL)
148     #define PCBIT_SETBYTE  (PCBIT_IOCTL_SETBYTE  + IIOCDRVCTL)
149     #define PCBIT_GETBYTE  (PCBIT_IOCTL_GETBYTE  + IIOCDRVCTL)
150     #define PCBIT_RUNNING  (PCBIT_IOCTL_RUNNING  + IIOCDRVCTL)
151     #define PCBIT_WATCH188 (PCBIT_IOCTL_WATCH188 + IIOCDRVCTL)
152     #define PCBIT_PING188  (PCBIT_IOCTL_PING188  + IIOCDRVCTL)
153     #define PCBIT_FWMODE   (PCBIT_IOCTL_FWMODE   + IIOCDRVCTL)
154     #define PCBIT_STOP     (PCBIT_IOCTL_STOP     + IIOCDRVCTL)
155     #define PCBIT_APION    (PCBIT_IOCTL_APION    + IIOCDRVCTL)
156     
157     #define MAXSUPERLINE 3000
158     
159     #endif
160     
161     #define L2_DOWN     0
162     #define L2_LOADING  1
163     #define L2_LWMODE   2
164     #define L2_FWMODE   3
165     #define L2_STARTING 4
166     #define L2_RUNNING  5
167     #define L2_ERROR    6
168     
169     #endif
170