1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
|
/* $Id: avm_a1.c,v 2.15.2.4 2004/01/13 21:46:03 keil Exp $
*
* low level stuff for AVM A1 (Fritz) isdn cards
*
* Author Karsten Keil
* Copyright by Karsten Keil <keil@isdn4linux.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#include <linux/init.h>
#include "hisax.h"
#include "isac.h"
#include "hscx.h"
#include "isdnl1.h"
static const char *avm_revision = "$Revision: 2.15.2.4 $";
#define AVM_A1_STAT_ISAC 0x01
#define AVM_A1_STAT_HSCX 0x02
#define AVM_A1_STAT_TIMER 0x04
#define byteout(addr,val) outb(val,addr)
#define bytein(addr) inb(addr)
static inline u_char
readreg(unsigned int adr, u_char off)
{
return (bytein(adr + off));
}
static inline void
writereg(unsigned int adr, u_char off, u_char data)
{
byteout(adr + off, data);
}
static inline void
read_fifo(unsigned int adr, u_char * data, int size)
{
insb(adr, data, size);
}
static void
write_fifo(unsigned int adr, u_char * data, int size)
{
outsb(adr, data, size);
}
/* Interface functions */
static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
return (readreg(cs->hw.avm.isac, offset));
}
static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
writereg(cs->hw.avm.isac, offset, value);
}
static void
ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
read_fifo(cs->hw.avm.isacfifo, data, size);
}
static void
WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
write_fifo(cs->hw.avm.isacfifo, data, size);
}
static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
return (readreg(cs->hw.avm.hscx[hscx], offset));
}
static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
writereg(cs->hw.avm.hscx[hscx], offset, value);
}
/*
* fast interrupt HSCX stuff goes here
*/
#define READHSCX(cs, nr, reg) readreg(cs->hw.avm.hscx[nr], reg)
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.avm.hscx[nr], reg, data)
#define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt)
#define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.avm.hscxfifo[nr], ptr, cnt)
#include "hscx_irq.c"
static irqreturn_t
avm_a1_interrupt(int intno, void *dev_id)
{
struct IsdnCardState *cs = dev_id;
u_char val, sval;
u_long flags;
spin_lock_irqsave(&cs->lock, flags);
while (((sval = bytein(cs->hw.avm.cfg_reg)) & 0xf) != 0x7) {
if (!(sval & AVM_A1_STAT_TIMER)) {
byteout(cs->hw.avm.cfg_reg, 0x1E);
sval = bytein(cs->hw.avm.cfg_reg);
} else if (cs->debug & L1_DEB_INTSTAT)
debugl1(cs, "avm IntStatus %x", sval);
if (!(sval & AVM_A1_STAT_HSCX)) {
val = readreg(cs->hw.avm.hscx[1], HSCX_ISTA);
if (val)
hscx_int_main(cs, val);
}
if (!(sval & AVM_A1_STAT_ISAC)) {
val = readreg(cs->hw.avm.isac, ISAC_ISTA);
if (val)
isac_interrupt(cs, val);
}
}
writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0xFF);
writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0xFF);
writereg(cs->hw.avm.isac, ISAC_MASK, 0xFF);
writereg(cs->hw.avm.isac, ISAC_MASK, 0x0);
writereg(cs->hw.avm.hscx[0], HSCX_MASK, 0x0);
writereg(cs->hw.avm.hscx[1], HSCX_MASK, 0x0);
spin_unlock_irqrestore(&cs->lock, flags);
return IRQ_HANDLED;
}
static inline void
release_ioregs(struct IsdnCardState *cs, int mask)
{
release_region(cs->hw.avm.cfg_reg, 8);
if (mask & 1)
release_region(cs->hw.avm.isac + 32, 32);
if (mask & 2)
release_region(cs->hw.avm.isacfifo, 1);
if (mask & 4)
release_region(cs->hw.avm.hscx[0] + 32, 32);
if (mask & 8)
release_region(cs->hw.avm.hscxfifo[0], 1);
if (mask & 0x10)
release_region(cs->hw.avm.hscx[1] + 32, 32);
if (mask & 0x20)
release_region(cs->hw.avm.hscxfifo[1], 1);
}
static int
AVM_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
u_long flags;
switch (mt) {
case CARD_RESET:
return(0);
case CARD_RELEASE:
release_ioregs(cs, 0x3f);
return(0);
case CARD_INIT:
spin_lock_irqsave(&cs->lock, flags);
inithscxisac(cs, 1);
byteout(cs->hw.avm.cfg_reg, 0x16);
byteout(cs->hw.avm.cfg_reg, 0x1E);
inithscxisac(cs, 2);
spin_unlock_irqrestore(&cs->lock, flags);
return(0);
case CARD_TEST:
return(0);
}
return(0);
}
int __devinit
setup_avm_a1(struct IsdnCard *card)
{
u_char val;
struct IsdnCardState *cs = card->cs;
char tmp[64];
strcpy(tmp, avm_revision);
printk(KERN_INFO "HiSax: AVM driver Rev. %s\n", HiSax_getrev(tmp));
if (cs->typ != ISDN_CTYPE_A1)
return (0);
cs->hw.avm.cfg_reg = card->para[1] + 0x1800;
cs->hw.avm.isac = card->para[1] + 0x1400 - 0x20;
cs->hw.avm.hscx[0] = card->para[1] + 0x400 - 0x20;
cs->hw.avm.hscx[1] = card->para[1] + 0xc00 - 0x20;
cs->hw.avm.isacfifo = card->para[1] + 0x1000;
cs->hw.avm.hscxfifo[0] = card->para[1];
cs->hw.avm.hscxfifo[1] = card->para[1] + 0x800;
cs->irq = card->para[0];
if (!request_region(cs->hw.avm.cfg_reg, 8, "avm cfg")) {
printk(KERN_WARNING
"HiSax: AVM A1 config port %x-%x already in use\n",
cs->hw.avm.cfg_reg,
cs->hw.avm.cfg_reg + 8);
return (0);
}
if (!request_region(cs->hw.avm.isac + 32, 32, "HiSax isac")) {
printk(KERN_WARNING
"HiSax: AVM A1 isac ports %x-%x already in use\n",
cs->hw.avm.isac + 32,
cs->hw.avm.isac + 64);
release_ioregs(cs, 0);
return (0);
}
if (!request_region(cs->hw.avm.isacfifo, 1, "HiSax isac fifo")) {
printk(KERN_WARNING
"HiSax: AVM A1 isac fifo port %x already in use\n",
cs->hw.avm.isacfifo);
release_ioregs(cs, 1);
return (0);
}
if (!request_region(cs->hw.avm.hscx[0] + 32, 32, "HiSax hscx A")) {
printk(KERN_WARNING
"HiSax: AVM A1 hscx A ports %x-%x already in use\n",
cs->hw.avm.hscx[0] + 32,
cs->hw.avm.hscx[0] + 64);
release_ioregs(cs, 3);
return (0);
}
if (!request_region(cs->hw.avm.hscxfifo[0], 1, "HiSax hscx A fifo")) {
printk(KERN_WARNING
"HiSax: AVM A1 hscx A fifo port %x already in use\n",
cs->hw.avm.hscxfifo[0]);
release_ioregs(cs, 7);
return (0);
}
if (!request_region(cs->hw.avm.hscx[1] + 32, 32, "HiSax hscx B")) {
printk(KERN_WARNING
"HiSax: AVM A1 hscx B ports %x-%x already in use\n",
cs->hw.avm.hscx[1] + 32,
cs->hw.avm.hscx[1] + 64);
release_ioregs(cs, 0xf);
return (0);
}
if (!request_region(cs->hw.avm.hscxfifo[1], 1, "HiSax hscx B fifo")) {
printk(KERN_WARNING
"HiSax: AVM A1 hscx B fifo port %x already in use\n",
cs->hw.avm.hscxfifo[1]);
release_ioregs(cs, 0x1f);
return (0);
}
byteout(cs->hw.avm.cfg_reg, 0x0);
HZDELAY(HZ / 5 + 1);
byteout(cs->hw.avm.cfg_reg, 0x1);
HZDELAY(HZ / 5 + 1);
byteout(cs->hw.avm.cfg_reg, 0x0);
HZDELAY(HZ / 5 + 1);
val = cs->irq;
if (val == 9)
val = 2;
byteout(cs->hw.avm.cfg_reg + 1, val);
HZDELAY(HZ / 5 + 1);
byteout(cs->hw.avm.cfg_reg, 0x0);
HZDELAY(HZ / 5 + 1);
val = bytein(cs->hw.avm.cfg_reg);
printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
cs->hw.avm.cfg_reg, val);
val = bytein(cs->hw.avm.cfg_reg + 3);
printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
cs->hw.avm.cfg_reg + 3, val);
val = bytein(cs->hw.avm.cfg_reg + 2);
printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
cs->hw.avm.cfg_reg + 2, val);
val = bytein(cs->hw.avm.cfg_reg);
printk(KERN_INFO "AVM A1: Byte at %x is %x\n",
cs->hw.avm.cfg_reg, val);
printk(KERN_INFO "HiSax: AVM A1 config irq:%d cfg:0x%X\n",
cs->irq,
cs->hw.avm.cfg_reg);
printk(KERN_INFO
"HiSax: isac:0x%X/0x%X\n",
cs->hw.avm.isac + 32, cs->hw.avm.isacfifo);
printk(KERN_INFO
"HiSax: hscx A:0x%X/0x%X hscx B:0x%X/0x%X\n",
cs->hw.avm.hscx[0] + 32, cs->hw.avm.hscxfifo[0],
cs->hw.avm.hscx[1] + 32, cs->hw.avm.hscxfifo[1]);
cs->readisac = &ReadISAC;
cs->writeisac = &WriteISAC;
cs->readisacfifo = &ReadISACfifo;
cs->writeisacfifo = &WriteISACfifo;
cs->BC_Read_Reg = &ReadHSCX;
cs->BC_Write_Reg = &WriteHSCX;
cs->BC_Send_Data = &hscx_fill_fifo;
setup_isac(cs);
cs->cardmsg = &AVM_card_msg;
cs->irq_func = &avm_a1_interrupt;
ISACVersion(cs, "AVM A1:");
if (HscxVersion(cs, "AVM A1:")) {
printk(KERN_WARNING
"AVM A1: wrong HSCX versions check IO address\n");
release_ioregs(cs, 0x3f);
return (0);
}
return (1);
}
|
