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16#include <linux/init.h>
17#include "hisax.h"
18#include "isac.h"
19#include "hscx.h"
20#include "isdnl1.h"
21#include <linux/pci.h>
22#include <linux/isapnp.h>
23
24static const char *niccy_revision = "$Revision: 1.21.2.4 $";
25
26#define byteout(addr, val) outb(val, addr)
27#define bytein(addr) inb(addr)
28
29#define ISAC_PCI_DATA 0
30#define HSCX_PCI_DATA 1
31#define ISAC_PCI_ADDR 2
32#define HSCX_PCI_ADDR 3
33#define ISAC_PNP 0
34#define HSCX_PNP 1
35
36
37#define NICCY_PNP 1
38#define NICCY_PCI 2
39
40
41#define PCI_IRQ_CTRL_REG 0x38
42#define PCI_IRQ_ENABLE 0x1f00
43#define PCI_IRQ_DISABLE 0xff0000
44#define PCI_IRQ_ASSERT 0x800000
45
46static inline u_char readreg(unsigned int ale, unsigned int adr, u_char off)
47{
48 register u_char ret;
49
50 byteout(ale, off);
51 ret = bytein(adr);
52 return ret;
53}
54
55static inline void readfifo(unsigned int ale, unsigned int adr, u_char off,
56 u_char *data, int size)
57{
58 byteout(ale, off);
59 insb(adr, data, size);
60}
61
62static inline void writereg(unsigned int ale, unsigned int adr, u_char off,
63 u_char data)
64{
65 byteout(ale, off);
66 byteout(adr, data);
67}
68
69static inline void writefifo(unsigned int ale, unsigned int adr, u_char off,
70 u_char *data, int size)
71{
72 byteout(ale, off);
73 outsb(adr, data, size);
74}
75
76
77
78static u_char ReadISAC(struct IsdnCardState *cs, u_char offset)
79{
80 return readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset);
81}
82
83static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
84{
85 writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset, value);
86}
87
88static void ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
89{
90 readfifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size);
91}
92
93static void WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
94{
95 writefifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size);
96}
97
98static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
99{
100 return readreg(cs->hw.niccy.hscx_ale,
101 cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0));
102}
103
104static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset,
105 u_char value)
106{
107 writereg(cs->hw.niccy.hscx_ale,
108 cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0), value);
109}
110
111#define READHSCX(cs, nr, reg) readreg(cs->hw.niccy.hscx_ale, \
112 cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0))
113#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.niccy.hscx_ale, \
114 cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0), data)
115
116#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.niccy.hscx_ale, \
117 cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt)
118
119#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.niccy.hscx_ale, \
120 cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt)
121
122#include "hscx_irq.c"
123
124static irqreturn_t niccy_interrupt(int intno, void *dev_id)
125{
126 struct IsdnCardState *cs = dev_id;
127 u_char val;
128 u_long flags;
129
130 spin_lock_irqsave(&cs->lock, flags);
131 if (cs->subtyp == NICCY_PCI) {
132 int ival;
133 ival = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
134 if (!(ival & PCI_IRQ_ASSERT)) {
135 spin_unlock_irqrestore(&cs->lock, flags);
136 return IRQ_NONE;
137 }
138 outl(ival, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
139 }
140 val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx,
141 HSCX_ISTA + 0x40);
142Start_HSCX:
143 if (val)
144 hscx_int_main(cs, val);
145 val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA);
146Start_ISAC:
147 if (val)
148 isac_interrupt(cs, val);
149 val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx,
150 HSCX_ISTA + 0x40);
151 if (val) {
152 if (cs->debug & L1_DEB_HSCX)
153 debugl1(cs, "HSCX IntStat after IntRoutine");
154 goto Start_HSCX;
155 }
156 val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA);
157 if (val) {
158 if (cs->debug & L1_DEB_ISAC)
159 debugl1(cs, "ISAC IntStat after IntRoutine");
160 goto Start_ISAC;
161 }
162 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0xFF);
163 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40,
164 0xFF);
165 writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0xFF);
166 writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0);
167 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0);
168 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40, 0);
169 spin_unlock_irqrestore(&cs->lock, flags);
170 return IRQ_HANDLED;
171}
172
173static void release_io_niccy(struct IsdnCardState *cs)
174{
175 if (cs->subtyp == NICCY_PCI) {
176 int val;
177
178 val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
179 val &= PCI_IRQ_DISABLE;
180 outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
181 release_region(cs->hw.niccy.cfg_reg, 0x40);
182 release_region(cs->hw.niccy.isac, 4);
183 } else {
184 release_region(cs->hw.niccy.isac, 2);
185 release_region(cs->hw.niccy.isac_ale, 2);
186 }
187}
188
189static void niccy_reset(struct IsdnCardState *cs)
190{
191 if (cs->subtyp == NICCY_PCI) {
192 int val;
193
194 val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
195 val |= PCI_IRQ_ENABLE;
196 outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
197 }
198 inithscxisac(cs, 3);
199}
200
201static int niccy_card_msg(struct IsdnCardState *cs, int mt, void *arg)
202{
203 u_long flags;
204
205 switch (mt) {
206 case CARD_RESET:
207 spin_lock_irqsave(&cs->lock, flags);
208 niccy_reset(cs);
209 spin_unlock_irqrestore(&cs->lock, flags);
210 return 0;
211 case CARD_RELEASE:
212 release_io_niccy(cs);
213 return 0;
214 case CARD_INIT:
215 spin_lock_irqsave(&cs->lock, flags);
216 niccy_reset(cs);
217 spin_unlock_irqrestore(&cs->lock, flags);
218 return 0;
219 case CARD_TEST:
220 return 0;
221 }
222 return 0;
223}
224
225#ifdef __ISAPNP__
226static struct pnp_card *pnp_c = NULL;
227#endif
228
229int setup_niccy(struct IsdnCard *card)
230{
231 struct IsdnCardState *cs = card->cs;
232 char tmp[64];
233
234 strcpy(tmp, niccy_revision);
235 printk(KERN_INFO "HiSax: Niccy driver Rev. %s\n", HiSax_getrev(tmp));
236 if (cs->typ != ISDN_CTYPE_NICCY)
237 return 0;
238#ifdef __ISAPNP__
239 if (!card->para[1] && isapnp_present()) {
240 struct pnp_dev *pnp_d = NULL;
241 int err;
242
243 pnp_c = pnp_find_card(ISAPNP_VENDOR('S', 'D', 'A'),
244 ISAPNP_FUNCTION(0x0150), pnp_c);
245 if (pnp_c) {
246 pnp_d = pnp_find_dev(pnp_c,
247 ISAPNP_VENDOR('S', 'D', 'A'),
248 ISAPNP_FUNCTION(0x0150), pnp_d);
249 if (!pnp_d) {
250 printk(KERN_ERR "NiccyPnP: PnP error card "
251 "found, no device\n");
252 return 0;
253 }
254 pnp_disable_dev(pnp_d);
255 err = pnp_activate_dev(pnp_d);
256 if (err < 0) {
257 printk(KERN_WARNING "%s: pnp_activate_dev "
258 "ret(%d)\n", __func__, err);
259 return 0;
260 }
261 card->para[1] = pnp_port_start(pnp_d, 0);
262 card->para[2] = pnp_port_start(pnp_d, 1);
263 card->para[0] = pnp_irq(pnp_d, 0);
264 if (card->para[0] == -1 || !card->para[1] ||
265 !card->para[2]) {
266 printk(KERN_ERR "NiccyPnP:some resources are "
267 "missing %ld/%lx/%lx\n",
268 card->para[0], card->para[1],
269 card->para[2]);
270 pnp_disable_dev(pnp_d);
271 return 0;
272 }
273 } else
274 printk(KERN_INFO "NiccyPnP: no ISAPnP card found\n");
275 }
276#endif
277 if (card->para[1]) {
278 cs->hw.niccy.isac = card->para[1] + ISAC_PNP;
279 cs->hw.niccy.hscx = card->para[1] + HSCX_PNP;
280 cs->hw.niccy.isac_ale = card->para[2] + ISAC_PNP;
281 cs->hw.niccy.hscx_ale = card->para[2] + HSCX_PNP;
282 cs->hw.niccy.cfg_reg = 0;
283 cs->subtyp = NICCY_PNP;
284 cs->irq = card->para[0];
285 if (!request_region(cs->hw.niccy.isac, 2, "niccy data")) {
286 printk(KERN_WARNING "HiSax: NICCY data port %x-%x "
287 "already in use\n",
288 cs->hw.niccy.isac, cs->hw.niccy.isac + 1);
289 return 0;
290 }
291 if (!request_region(cs->hw.niccy.isac_ale, 2, "niccy addr")) {
292 printk(KERN_WARNING "HiSax: NICCY address port %x-%x "
293 "already in use\n",
294 cs->hw.niccy.isac_ale,
295 cs->hw.niccy.isac_ale + 1);
296 release_region(cs->hw.niccy.isac, 2);
297 return 0;
298 }
299 } else {
300#ifdef CONFIG_PCI
301 static struct pci_dev *niccy_dev;
302
303 u_int pci_ioaddr;
304 cs->subtyp = 0;
305 if ((niccy_dev = hisax_find_pci_device(PCI_VENDOR_ID_SATSAGEM,
306 PCI_DEVICE_ID_SATSAGEM_NICCY,
307 niccy_dev))) {
308 if (pci_enable_device(niccy_dev))
309 return 0;
310
311 if (!niccy_dev->irq) {
312 printk(KERN_WARNING
313 "Niccy: No IRQ for PCI card found\n");
314 return 0;
315 }
316 cs->irq = niccy_dev->irq;
317 cs->hw.niccy.cfg_reg = pci_resource_start(niccy_dev, 0);
318 if (!cs->hw.niccy.cfg_reg) {
319 printk(KERN_WARNING
320 "Niccy: No IO-Adr for PCI cfg found\n");
321 return 0;
322 }
323 pci_ioaddr = pci_resource_start(niccy_dev, 1);
324 if (!pci_ioaddr) {
325 printk(KERN_WARNING
326 "Niccy: No IO-Adr for PCI card found\n");
327 return 0;
328 }
329 cs->subtyp = NICCY_PCI;
330 } else {
331 printk(KERN_WARNING "Niccy: No PCI card found\n");
332 return 0;
333 }
334 cs->irq_flags |= IRQF_SHARED;
335 cs->hw.niccy.isac = pci_ioaddr + ISAC_PCI_DATA;
336 cs->hw.niccy.isac_ale = pci_ioaddr + ISAC_PCI_ADDR;
337 cs->hw.niccy.hscx = pci_ioaddr + HSCX_PCI_DATA;
338 cs->hw.niccy.hscx_ale = pci_ioaddr + HSCX_PCI_ADDR;
339 if (!request_region(cs->hw.niccy.isac, 4, "niccy")) {
340 printk(KERN_WARNING
341 "HiSax: NICCY data port %x-%x already in use\n",
342 cs->hw.niccy.isac, cs->hw.niccy.isac + 4);
343 return 0;
344 }
345 if (!request_region(cs->hw.niccy.cfg_reg, 0x40, "niccy pci")) {
346 printk(KERN_WARNING
347 "HiSax: NICCY pci port %x-%x already in use\n",
348 cs->hw.niccy.cfg_reg,
349 cs->hw.niccy.cfg_reg + 0x40);
350 release_region(cs->hw.niccy.isac, 4);
351 return 0;
352 }
353#else
354 printk(KERN_WARNING "Niccy: io0 0 and NO_PCI_BIOS\n");
355 printk(KERN_WARNING "Niccy: unable to config NICCY PCI\n");
356 return 0;
357#endif
358 }
359 printk(KERN_INFO "HiSax: NICCY %s config irq:%d data:0x%X ale:0x%X\n",
360 (cs->subtyp == 1) ? "PnP" : "PCI",
361 cs->irq, cs->hw.niccy.isac, cs->hw.niccy.isac_ale);
362 setup_isac(cs);
363 cs->readisac = &ReadISAC;
364 cs->writeisac = &WriteISAC;
365 cs->readisacfifo = &ReadISACfifo;
366 cs->writeisacfifo = &WriteISACfifo;
367 cs->BC_Read_Reg = &ReadHSCX;
368 cs->BC_Write_Reg = &WriteHSCX;
369 cs->BC_Send_Data = &hscx_fill_fifo;
370 cs->cardmsg = &niccy_card_msg;
371 cs->irq_func = &niccy_interrupt;
372 ISACVersion(cs, "Niccy:");
373 if (HscxVersion(cs, "Niccy:")) {
374 printk(KERN_WARNING "Niccy: wrong HSCX versions check IO "
375 "address\n");
376 release_io_niccy(cs);
377 return 0;
378 }
379 return 1;
380}
381
