Gitiles
Code Review Sign In
gerrit.nordix.org / codeaurora / cp-linux / 8d8f6542b666daf5e87de156590e635c2c4da0c0 / . / drivers / isdn / act2000 / act2000.h
blob: 321d437f579e1e044eb09ce2b47ebd51d9582855 [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -0600[diff] [blame^]1/* $Id: act2000.h,v 1.8.6.3 2001/09/23 22:24:32 kai Exp $
2 *
3 * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000.
4 *
5 * Author Fritz Elfert
6 * Copyright by Fritz Elfert <fritz@isdn4linux.de>
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 * Thanks to Friedemann Baitinger and IBM Germany
12 *
13 */
14
15#ifndef act2000_h
16#define act2000_h
17
18#include <linux/compiler.h>
19
20#define ACT2000_IOCTL_SETPORT 1
21#define ACT2000_IOCTL_GETPORT 2
22#define ACT2000_IOCTL_SETIRQ 3
23#define ACT2000_IOCTL_GETIRQ 4
24#define ACT2000_IOCTL_SETBUS 5
25#define ACT2000_IOCTL_GETBUS 6
26#define ACT2000_IOCTL_SETPROTO 7
27#define ACT2000_IOCTL_GETPROTO 8
28#define ACT2000_IOCTL_SETMSN 9
29#define ACT2000_IOCTL_GETMSN 10
30#define ACT2000_IOCTL_LOADBOOT 11
31#define ACT2000_IOCTL_ADDCARD 12
32
33#define ACT2000_IOCTL_TEST 98
34#define ACT2000_IOCTL_DEBUGVAR 99
35
36#define ACT2000_BUS_ISA 1
37#define ACT2000_BUS_MCA 2
38#define ACT2000_BUS_PCMCIA 3
39
40/* Struct for adding new cards */
41typedef struct act2000_cdef {
42 int bus;
43 int port;
44 int irq;
45 char id[10];
46} act2000_cdef;
47
48/* Struct for downloading firmware */
49typedef struct act2000_ddef {
50 int length; /* Length of code */
51 char __user *buffer; /* Ptr. to code */
52} act2000_ddef;
53
54typedef struct act2000_fwid {
55 char isdn[4];
56 char revlen[2];
57 char revision[504];
58} act2000_fwid;
59
60#if defined(__KERNEL__) || defined(__DEBUGVAR__)
61
62#ifdef __KERNEL__
63/* Kernel includes */
64
65#include <linux/sched.h>
66#include <linux/string.h>
67#include <linux/workqueue.h>
68#include <linux/interrupt.h>
69#include <linux/skbuff.h>
70#include <linux/errno.h>
71#include <linux/fs.h>
72#include <linux/major.h>
73#include <asm/io.h>
74#include <linux/kernel.h>
75#include <linux/signal.h>
76#include <linux/slab.h>
77#include <linux/mm.h>
78#include <linux/mman.h>
79#include <linux/ioport.h>
80#include <linux/timer.h>
81#include <linux/wait.h>
82#include <linux/delay.h>
83#include <linux/ctype.h>
84#include <linux/isdnif.h>
85
86#endif /* __KERNEL__ */
87
88#define ACT2000_PORTLEN 8
89
90#define ACT2000_FLAGS_RUNNING 1 /* Cards driver activated */
91#define ACT2000_FLAGS_PVALID 2 /* Cards port is valid */
92#define ACT2000_FLAGS_IVALID 4 /* Cards irq is valid */
93#define ACT2000_FLAGS_LOADED 8 /* Firmware loaded */
94
95#define ACT2000_BCH 2 /* # of channels per card */
96
97/* D-Channel states */
98#define ACT2000_STATE_NULL 0
99#define ACT2000_STATE_ICALL 1
100#define ACT2000_STATE_OCALL 2
101#define ACT2000_STATE_IWAIT 3
102#define ACT2000_STATE_OWAIT 4
103#define ACT2000_STATE_IBWAIT 5
104#define ACT2000_STATE_OBWAIT 6
105#define ACT2000_STATE_BWAIT 7
106#define ACT2000_STATE_BHWAIT 8
107#define ACT2000_STATE_BHWAIT2 9
108#define ACT2000_STATE_DHWAIT 10
109#define ACT2000_STATE_DHWAIT2 11
110#define ACT2000_STATE_BSETUP 12
111#define ACT2000_STATE_ACTIVE 13
112
113#define ACT2000_MAX_QUEUED 8000 /* 2 * maxbuff */
114
115#define ACT2000_LOCK_TX 0
116#define ACT2000_LOCK_RX 1
117
118typedef struct act2000_chan {
119 unsigned short callref; /* Call Reference */
120 unsigned short fsm_state; /* Current D-Channel state */
121 unsigned short eazmask; /* EAZ-Mask for this Channel */
122 short queued; /* User-Data Bytes in TX queue */
123 unsigned short plci;
124 unsigned short ncci;
125 unsigned char l2prot; /* Layer 2 protocol */
126 unsigned char l3prot; /* Layer 3 protocol */
127} act2000_chan;
128
129typedef struct msn_entry {
130 char eaz;
131 char msn[16];
132 struct msn_entry *next;
133} msn_entry;
134
135typedef struct irq_data_isa {
136 __u8 *rcvptr;
137 __u16 rcvidx;
138 __u16 rcvlen;
139 struct sk_buff *rcvskb;
140 __u8 rcvignore;
141 __u8 rcvhdr[8];
142} irq_data_isa;
143
144typedef union act2000_irq_data {
145 irq_data_isa isa;
146} act2000_irq_data;
147
148/*
149 * Per card driver data
150 */
151typedef struct act2000_card {
152 unsigned short port; /* Base-port-address */
153 unsigned short irq; /* Interrupt */
154 u_char ptype; /* Protocol type (1TR6 or Euro) */
155 u_char bus; /* Cardtype (ISA, MCA, PCMCIA) */
156 struct act2000_card *next; /* Pointer to next device struct */
157 spinlock_t lock; /* protect critical operations */
158 int myid; /* Driver-Nr. assigned by linklevel */
159 unsigned long flags; /* Statusflags */
160 unsigned long ilock; /* Semaphores for IRQ-Routines */
161 struct sk_buff_head rcvq; /* Receive-Message queue */
162 struct sk_buff_head sndq; /* Send-Message queue */
163 struct sk_buff_head ackq; /* Data-Ack-Message queue */
164 u_char *ack_msg; /* Ptr to User Data in User skb */
165 __u16 need_b3ack; /* Flag: Need ACK for current skb */
166 struct sk_buff *sbuf; /* skb which is currently sent */
167 struct timer_list ptimer; /* Poll timer */
168 struct work_struct snd_tq; /* Task struct for xmit bh */
169 struct work_struct rcv_tq; /* Task struct for rcv bh */
170 struct work_struct poll_tq; /* Task struct for polled rcv bh */
171 msn_entry *msn_list;
172 unsigned short msgnum; /* Message number for sending */
173 spinlock_t mnlock; /* lock for msgnum */
174 act2000_chan bch[ACT2000_BCH]; /* B-Channel status/control */
175 char status_buf[256]; /* Buffer for status messages */
176 char *status_buf_read;
177 char *status_buf_write;
178 char *status_buf_end;
179 act2000_irq_data idat; /* Data used for IRQ handler */
180 isdn_if interface; /* Interface to upper layer */
181 char regname[35]; /* Name used for request_region */
182} act2000_card;
183
184static inline void act2000_schedule_tx(act2000_card *card)
185{
186 schedule_work(&card->snd_tq);
187}
188
189static inline void act2000_schedule_rx(act2000_card *card)
190{
191 schedule_work(&card->rcv_tq);
192}
193
194static inline void act2000_schedule_poll(act2000_card *card)
195{
196 schedule_work(&card->poll_tq);
197}
198
199extern char *act2000_find_eaz(act2000_card *, char);
200
201#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
202#endif /* act2000_h */