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#include "hisax.h"
64#include "isac.h"
65#include "isdnl1.h"
66#include "amd7930_fn.h"
67#include <linux/interrupt.h>
68#include <linux/ppp_defs.h>
69#include <linux/pci.h>
70#include <linux/init.h>
71#include "netjet.h"
72
73
74
75static const char *enternow_pci_rev = "$Revision: 1.1.4.5 $";
76
77
78
79#define TJ_AMD_IRQ 0x20
80#define TJ_LED1 0x40
81#define TJ_LED2 0x80
82
83
84
85
86
87
88#define TJ_AMD_PORT 0xC0
89
90
91
92
93
94
95
96static unsigned char
97ReadByteAmd7930(struct IsdnCardState *cs, unsigned char offset)
98{
99
100 if(offset < 8)
101 return (inb(cs->hw.njet.isac + 4*offset));
102
103
104 else {
105 outb(offset, cs->hw.njet.isac + 4*AMD_CR);
106 return(inb(cs->hw.njet.isac + 4*AMD_DR));
107 }
108}
109
110
111static void
112WriteByteAmd7930(struct IsdnCardState *cs, unsigned char offset, unsigned char value)
113{
114
115 if(offset < 8)
116 outb(value, cs->hw.njet.isac + 4*offset);
117
118
119 else {
120 outb(offset, cs->hw.njet.isac + 4*AMD_CR);
121 outb(value, cs->hw.njet.isac + 4*AMD_DR);
122 }
123}
124
125
126static void
127enpci_setIrqMask(struct IsdnCardState *cs, unsigned char val) {
128 if (!val)
129 outb(0x00, cs->hw.njet.base+NETJET_IRQMASK1);
130 else
131 outb(TJ_AMD_IRQ, cs->hw.njet.base+NETJET_IRQMASK1);
132}
133
134
135static unsigned char dummyrr(struct IsdnCardState *cs, int chan, unsigned char off)
136{
137 return(5);
138}
139
140static void dummywr(struct IsdnCardState *cs, int chan, unsigned char off, unsigned char value)
141{
142
143}
144
145
146
147
148
149static void
150reset_enpci(struct IsdnCardState *cs)
151{
152 if (cs->debug & L1_DEB_ISAC)
153 debugl1(cs, "enter:now PCI: reset");
154
155
156 cs->hw.njet.ctrl_reg = 0x07;
157 outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
158 mdelay(20);
159
160 cs->hw.njet.ctrl_reg = 0x30;
161 outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
162
163 mdelay(20);
164 cs->hw.njet.auxd = 0;
165 cs->hw.njet.dmactrl = 0;
166 outb(~TJ_AMD_IRQ, cs->hw.njet.base + NETJET_AUXCTRL);
167 outb(TJ_AMD_IRQ, cs->hw.njet.base + NETJET_IRQMASK1);
168 outb(cs->hw.njet.auxd, cs->hw.njet.auxa);
169}
170
171
172static int
173enpci_card_msg(struct IsdnCardState *cs, int mt, void *arg)
174{
175 u_long flags;
176 unsigned char *chan;
177
178 if (cs->debug & L1_DEB_ISAC)
179 debugl1(cs, "enter:now PCI: card_msg: 0x%04X", mt);
180
181 switch (mt) {
182 case CARD_RESET:
183 spin_lock_irqsave(&cs->lock, flags);
184 reset_enpci(cs);
185 Amd7930_init(cs);
186 spin_unlock_irqrestore(&cs->lock, flags);
187 break;
188 case CARD_RELEASE:
189 release_io_netjet(cs);
190 break;
191 case CARD_INIT:
192 reset_enpci(cs);
193 inittiger(cs);
194
195 Amd7930_init(cs);
196 break;
197 case CARD_TEST:
198 break;
199 case MDL_ASSIGN:
200
201 cs->hw.njet.auxd = TJ_AMD_IRQ << 1;
202 outb(cs->hw.njet.auxd, cs->hw.njet.base + NETJET_AUXDATA);
203 break;
204 case MDL_REMOVE:
205
206 cs->hw.njet.auxd = 0;
207 outb(0x00, cs->hw.njet.base + NETJET_AUXDATA);
208 break;
209 case MDL_BC_ASSIGN:
210
211 chan = (unsigned char *)arg;
212
213 if (cs->debug & L1_DEB_ISAC)
214 debugl1(cs, "enter:now PCI: assign phys. BC %d in AMD LMR1", *chan);
215
216 cs->dc.amd7930.ph_command(cs, (cs->dc.amd7930.lmr1 | (*chan + 1)), "MDL_BC_ASSIGN");
217
218 cs->hw.njet.auxd |= TJ_AMD_IRQ << 2;
219 outb(cs->hw.njet.auxd, cs->hw.njet.base + NETJET_AUXDATA);
220 break;
221 case MDL_BC_RELEASE:
222
223 chan = (unsigned char *)arg;
224
225 if (cs->debug & L1_DEB_ISAC)
226 debugl1(cs, "enter:now PCI: release phys. BC %d in Amd LMR1", *chan);
227
228 cs->dc.amd7930.ph_command(cs, (cs->dc.amd7930.lmr1 & ~(*chan + 1)), "MDL_BC_RELEASE");
229
230 if (!(cs->dc.amd7930.lmr1 & 3)) {
231 cs->hw.njet.auxd &= ~(TJ_AMD_IRQ << 2);
232 outb(cs->hw.njet.auxd, cs->hw.njet.base + NETJET_AUXDATA);
233 }
234 break;
235 default:
236 break;
237
238 }
239 return(0);
240}
241
242static irqreturn_t
243enpci_interrupt(int intno, void *dev_id)
244{
245 struct IsdnCardState *cs = dev_id;
246 unsigned char s0val, s1val, ir;
247 u_long flags;
248
249 spin_lock_irqsave(&cs->lock, flags);
250 s1val = inb(cs->hw.njet.base + NETJET_IRQSTAT1);
251
252
253 if (!(s1val & TJ_AMD_IRQ)) {
254
255 ir = ReadByteAmd7930(cs, 0x00);
256 Amd7930_interrupt(cs, ir);
257 s1val = 1;
258 } else
259 s1val = 0;
260 s0val = inb(cs->hw.njet.base + NETJET_IRQSTAT0);
261 if ((s0val | s1val)==0) {
262 spin_unlock_irqrestore(&cs->lock, flags);
263 return IRQ_NONE;
264 }
265 if (s0val)
266 outb(s0val, cs->hw.njet.base + NETJET_IRQSTAT0);
267
268
269
270 if (inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR) <
271 inl(cs->hw.njet.base + NETJET_DMA_WRITE_IRQ))
272
273 s0val = 0x08;
274 else
275 s0val = 0x04;
276 if (inl(cs->hw.njet.base + NETJET_DMA_READ_ADR) <
277 inl(cs->hw.njet.base + NETJET_DMA_READ_IRQ))
278
279 s0val = s0val | 0x02;
280 else
281 s0val = s0val | 0x01;
282 if (s0val != cs->hw.njet.last_is0)
283 {
284 if (test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
285 spin_unlock_irqrestore(&cs->lock, flags);
286 return IRQ_HANDLED;
287 }
288 cs->hw.njet.irqstat0 = s0val;
289 if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_READ) !=
290 (cs->hw.njet.last_is0 & NETJET_IRQM0_READ))
291
292 read_tiger(cs);
293 if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_WRITE) !=
294 (cs->hw.njet.last_is0 & NETJET_IRQM0_WRITE))
295
296 write_tiger(cs);
297 test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
298 }
299 spin_unlock_irqrestore(&cs->lock, flags);
300 return IRQ_HANDLED;
301}
302
303static int __devinit en_pci_probe(struct pci_dev *dev_netjet,
304 struct IsdnCardState *cs)
305{
306 if (pci_enable_device(dev_netjet))
307 return(0);
308 cs->irq = dev_netjet->irq;
309 if (!cs->irq) {
310 printk(KERN_WARNING "enter:now PCI: No IRQ for PCI card found\n");
311 return(0);
312 }
313 cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
314 if (!cs->hw.njet.base) {
315 printk(KERN_WARNING "enter:now PCI: No IO-Adr for PCI card found\n");
316 return(0);
317 }
318
319 if ((dev_netjet->subsystem_vendor != 0x55) ||
320 (dev_netjet->subsystem_device != 0x02)) {
321 printk(KERN_WARNING "enter:now: You tried to load this driver with an incompatible TigerJet-card\n");
322 printk(KERN_WARNING "Use type=20 for Traverse NetJet PCI Card.\n");
323 return(0);
324 }
325
326 return(1);
327}
328
329static void __devinit en_cs_init(struct IsdnCard *card,
330 struct IsdnCardState *cs)
331{
332 cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
333 cs->hw.njet.isac = cs->hw.njet.base + 0xC0;
334
335
336 cs->hw.njet.ctrl_reg = 0x07;
337 outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
338
339 mdelay(20);
340
341 cs->hw.njet.ctrl_reg = 0x30;
342 outb(cs->hw.njet.ctrl_reg, cs->hw.njet.base + NETJET_CTRL);
343 mdelay(10);
344
345 cs->hw.njet.auxd = 0x00;
346 cs->hw.njet.dmactrl = 0;
347
348 outb(~TJ_AMD_IRQ, cs->hw.njet.base + NETJET_AUXCTRL);
349 outb(TJ_AMD_IRQ, cs->hw.njet.base + NETJET_IRQMASK1);
350 outb(cs->hw.njet.auxd, cs->hw.njet.auxa);
351}
352
353static int __devinit en_cs_init_rest(struct IsdnCard *card,
354 struct IsdnCardState *cs)
355{
356 const int bytecnt = 256;
357
358 printk(KERN_INFO
359 "enter:now PCI: PCI card configured at 0x%lx IRQ %d\n",
360 cs->hw.njet.base, cs->irq);
361 if (!request_region(cs->hw.njet.base, bytecnt, "Fn_ISDN")) {
362 printk(KERN_WARNING
363 "HiSax: enter:now config port %lx-%lx already in use\n",
364 cs->hw.njet.base,
365 cs->hw.njet.base + bytecnt);
366 return (0);
367 }
368
369 setup_Amd7930(cs);
370 cs->hw.njet.last_is0 = 0;
371
372 cs->readisac = &ReadByteAmd7930;
373
374 cs->writeisac = &WriteByteAmd7930;
375 cs->dc.amd7930.setIrqMask = &enpci_setIrqMask;
376
377 cs->BC_Read_Reg = &dummyrr;
378 cs->BC_Write_Reg = &dummywr;
379 cs->BC_Send_Data = &netjet_fill_dma;
380 cs->cardmsg = &enpci_card_msg;
381 cs->irq_func = &enpci_interrupt;
382 cs->irq_flags |= IRQF_SHARED;
383
384 return (1);
385}
386
387static struct pci_dev *dev_netjet __devinitdata = NULL;
388
389
390int __devinit
391setup_enternow_pci(struct IsdnCard *card)
392{
393 int ret;
394 struct IsdnCardState *cs = card->cs;
395 char tmp[64];
396
397#ifdef __BIG_ENDIAN
398#error "not running on big endian machines now"
399#endif
400
401 strcpy(tmp, enternow_pci_rev);
402 printk(KERN_INFO "HiSax: Formula-n Europe AG enter:now ISDN PCI driver Rev. %s\n", HiSax_getrev(tmp));
403 if (cs->typ != ISDN_CTYPE_ENTERNOW)
404 return(0);
405 test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
406
407 for ( ;; )
408 {
409 if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
410 PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
411 ret = en_pci_probe(dev_netjet, cs);
412 if (!ret)
413 return(0);
414 } else {
415 printk(KERN_WARNING "enter:now PCI: No PCI card found\n");
416 return(0);
417 }
418
419 en_cs_init(card, cs);
420 break;
421 }
422
423 return en_cs_init_rest(card, cs);
424}
425