1 /* $Id: niccy.c,v 1.1.4.1 2001/11/20 14:19:36 kai Exp $
3 * low level stuff for Dr. Neuhaus NICCY PnP and NICCY PCI and
4 * compatible (SAGEM cybermodem)
7 * Copyright by Karsten Keil <keil@isdn4linux.de>
9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
12 * Thanks to Dr. Neuhaus and SAGEM for information
17 #define __NO_VERSION__
18 #include <linux/config.h>
19 #include <linux/init.h>
24 #include <linux/pci.h>
25 #include <linux/isapnp.h>
27 extern const char *CardType[];
28 const char *niccy_revision = "$Revision: 1.1.4.1 $";
30 #define byteout(addr,val) outb(val,addr)
31 #define bytein(addr) inb(addr)
33 #define ISAC_PCI_DATA 0
34 #define HSCX_PCI_DATA 1
35 #define ISAC_PCI_ADDR 2
36 #define HSCX_PCI_ADDR 3
45 #define PCI_IRQ_CTRL_REG 0x38
46 #define PCI_IRQ_ENABLE 0x1f00
47 #define PCI_IRQ_DISABLE 0xff0000
48 #define PCI_IRQ_ASSERT 0x800000
51 readreg(unsigned int ale, unsigned int adr, u_char off)
65 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
67 /* fifo read without cli because it's allready done */
70 insb(adr, data, size);
75 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
87 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
89 /* fifo write without cli because it's allready done */
91 outsb(adr, data, size);
94 /* Interface functions */
97 ReadISAC(struct IsdnCardState *cs, u_char offset)
99 return (readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset));
103 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
105 writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset, value);
109 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
111 readfifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size);
115 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
117 writefifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size);
121 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
123 return (readreg(cs->hw.niccy.hscx_ale,
124 cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0)));
128 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
130 writereg(cs->hw.niccy.hscx_ale,
131 cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0), value);
134 #define READHSCX(cs, nr, reg) readreg(cs->hw.niccy.hscx_ale, \
135 cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0))
136 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.niccy.hscx_ale, \
137 cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0), data)
139 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.niccy.hscx_ale, \
140 cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt)
142 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.niccy.hscx_ale, \
143 cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt)
145 #include "hscx_irq.c"
148 niccy_interrupt(int intno, void *dev_id, struct pt_regs *regs)
150 struct IsdnCardState *cs = dev_id;
154 printk(KERN_WARNING "Niccy: Spurious interrupt!\n");
157 if (cs->subtyp == NICCY_PCI) {
159 ival = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
160 if (!(ival & PCI_IRQ_ASSERT)) /* IRQ not for us (shared) */
162 outl(ival, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
164 val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_ISTA + 0x40);
167 hscx_int_main(cs, val);
168 val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA);
171 isac_interrupt(cs, val);
172 val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_ISTA + 0x40);
174 if (cs->debug & L1_DEB_HSCX)
175 debugl1(cs, "HSCX IntStat after IntRoutine");
178 val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA);
180 if (cs->debug & L1_DEB_ISAC)
181 debugl1(cs, "ISAC IntStat after IntRoutine");
184 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0xFF);
185 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40, 0xFF);
186 writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0xFF);
187 writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0);
188 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0);
189 writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40, 0);
193 release_io_niccy(struct IsdnCardState *cs)
195 if (cs->subtyp == NICCY_PCI) {
198 val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
199 val &= PCI_IRQ_DISABLE;
200 outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
201 release_region(cs->hw.niccy.cfg_reg, 0x40);
202 release_region(cs->hw.niccy.isac, 4);
204 release_region(cs->hw.niccy.isac, 2);
205 release_region(cs->hw.niccy.isac_ale, 2);
210 niccy_reset(struct IsdnCardState *cs)
212 if (cs->subtyp == NICCY_PCI) {
215 val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
216 val |= PCI_IRQ_ENABLE;
217 outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
223 niccy_card_msg(struct IsdnCardState *cs, int mt, void *arg)
230 release_io_niccy(cs);
241 static struct pci_dev *niccy_dev __initdata = NULL;
243 static struct pci_bus *pnp_c __devinitdata = NULL;
247 setup_niccy(struct IsdnCard *card)
249 struct IsdnCardState *cs = card->cs;
252 strcpy(tmp, niccy_revision);
253 printk(KERN_INFO "HiSax: Niccy driver Rev. %s\n", HiSax_getrev(tmp));
254 if (cs->typ != ISDN_CTYPE_NICCY)
257 if (!card->para[1] && isapnp_present()) {
261 if ((pb = isapnp_find_card(
262 ISAPNP_VENDOR('S', 'D', 'A'),
263 ISAPNP_FUNCTION(0x0150), pnp_c))) {
266 if (!(pd = isapnp_find_dev(pnp_c,
267 ISAPNP_VENDOR('S', 'D', 'A'),
268 ISAPNP_FUNCTION(0x0150), pd))) {
269 printk(KERN_ERR "NiccyPnP: PnP error card found, no device\n");
275 card->para[1] = pd->resource[0].start;
276 card->para[2] = pd->resource[1].start;
277 card->para[0] = pd->irq_resource[0].start;
278 if (!card->para[0] || !card->para[1] || !card->para[2]) {
279 printk(KERN_ERR "NiccyPnP:some resources are missing %ld/%lx/%lx\n",
280 card->para[0], card->para[1], card->para[2]);
285 printk(KERN_INFO "NiccyPnP: no ISAPnP card found\n");
290 cs->hw.niccy.isac = card->para[1] + ISAC_PNP;
291 cs->hw.niccy.hscx = card->para[1] + HSCX_PNP;
292 cs->hw.niccy.isac_ale = card->para[2] + ISAC_PNP;
293 cs->hw.niccy.hscx_ale = card->para[2] + HSCX_PNP;
294 cs->hw.niccy.cfg_reg = 0;
295 cs->subtyp = NICCY_PNP;
296 cs->irq = card->para[0];
297 if (check_region((cs->hw.niccy.isac), 2)) {
299 "HiSax: %s data port %x-%x already in use\n",
302 cs->hw.niccy.isac + 1);
305 request_region(cs->hw.niccy.isac, 2, "niccy data");
306 if (check_region((cs->hw.niccy.isac_ale), 2)) {
308 "HiSax: %s address port %x-%x already in use\n",
310 cs->hw.niccy.isac_ale,
311 cs->hw.niccy.isac_ale + 1);
312 release_region(cs->hw.niccy.isac, 2);
315 request_region(cs->hw.niccy.isac_ale, 2, "niccy addr");
319 if (!pci_present()) {
320 printk(KERN_ERR "Niccy: no PCI bus present\n");
324 if ((niccy_dev = pci_find_device(PCI_VENDOR_ID_SATSAGEM,
325 PCI_DEVICE_ID_SATSAGEM_NICCY, niccy_dev))) {
326 if (pci_enable_device(niccy_dev))
329 if (!niccy_dev->irq) {
330 printk(KERN_WARNING "Niccy: No IRQ for PCI card found\n");
333 cs->irq = niccy_dev->irq;
334 cs->hw.niccy.cfg_reg = pci_resource_start(niccy_dev, 0);
335 if (!cs->hw.niccy.cfg_reg) {
336 printk(KERN_WARNING "Niccy: No IO-Adr for PCI cfg found\n");
339 pci_ioaddr = pci_resource_start(niccy_dev, 1);
341 printk(KERN_WARNING "Niccy: No IO-Adr for PCI card found\n");
344 cs->subtyp = NICCY_PCI;
346 printk(KERN_WARNING "Niccy: No PCI card found\n");
349 cs->irq_flags |= SA_SHIRQ;
350 cs->hw.niccy.isac = pci_ioaddr + ISAC_PCI_DATA;
351 cs->hw.niccy.isac_ale = pci_ioaddr + ISAC_PCI_ADDR;
352 cs->hw.niccy.hscx = pci_ioaddr + HSCX_PCI_DATA;
353 cs->hw.niccy.hscx_ale = pci_ioaddr + HSCX_PCI_ADDR;
354 if (check_region((cs->hw.niccy.isac), 4)) {
356 "HiSax: %s data port %x-%x already in use\n",
359 cs->hw.niccy.isac + 4);
362 request_region(cs->hw.niccy.isac, 4, "niccy");
363 if (check_region(cs->hw.niccy.cfg_reg, 0x40)) {
365 "HiSax: %s pci port %x-%x already in use\n",
367 cs->hw.niccy.cfg_reg,
368 cs->hw.niccy.cfg_reg + 0x40);
369 release_region(cs->hw.niccy.isac, 4);
372 request_region(cs->hw.niccy.cfg_reg, 0x40, "niccy pci");
375 printk(KERN_WARNING "Niccy: io0 0 and NO_PCI_BIOS\n");
376 printk(KERN_WARNING "Niccy: unable to config NICCY PCI\n");
378 #endif /* CONFIG_PCI */
381 "HiSax: %s %s config irq:%d data:0x%X ale:0x%X\n",
382 CardType[cs->typ], (cs->subtyp==1) ? "PnP":"PCI",
383 cs->irq, cs->hw.niccy.isac, cs->hw.niccy.isac_ale);
384 cs->readisac = &ReadISAC;
385 cs->writeisac = &WriteISAC;
386 cs->readisacfifo = &ReadISACfifo;
387 cs->writeisacfifo = &WriteISACfifo;
388 cs->BC_Read_Reg = &ReadHSCX;
389 cs->BC_Write_Reg = &WriteHSCX;
390 cs->BC_Send_Data = &hscx_fill_fifo;
391 cs->cardmsg = &niccy_card_msg;
392 cs->irq_func = &niccy_interrupt;
393 ISACVersion(cs, "Niccy:");
394 if (HscxVersion(cs, "Niccy:")) {
396 "Niccy: wrong HSCX versions check IO address\n");
397 release_io_niccy(cs);