1 /* $Id: asuscom.c,v 1.1.1.1 2005/04/11 02:50:23 jack Exp $
3 * low level stuff for ASUSCOM NETWORK INC. ISDNLink cards
6 * Copyright by Karsten Keil <keil@isdn4linux.de>
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
11 * Thanks to ASUSCOM NETWORK INC. Taiwan and Dynalink NL for information
15 #define __NO_VERSION__
16 #include <linux/init.h>
17 #include <linux/isapnp.h>
24 extern const char *CardType[];
26 const char *Asuscom_revision = "$Revision: 1.1.1.1 $";
28 #define byteout(addr,val) outb(val,addr)
29 #define bytein(addr) inb(addr)
34 #define ASUS_CTRL_U7 3
35 #define ASUS_CTRL_POTS 5
37 #define ASUS_IPAC_ALE 0
38 #define ASUS_IPAC_DATA 1
40 #define ASUS_ISACHSCX 1
43 /* CARD_ADR (Write) */
44 #define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */
47 readreg(unsigned int ale, unsigned int adr, u_char off)
61 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
63 /* fifo read without cli because it's allready done */
66 insb(adr, data, size);
71 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
83 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
85 /* fifo write without cli because it's allready done */
87 outsb(adr, data, size);
90 /* Interface functions */
93 ReadISAC(struct IsdnCardState *cs, u_char offset)
95 return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset));
99 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
101 writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value);
105 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
107 readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);
111 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
113 writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);
117 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
119 return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset|0x80));
123 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
125 writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset|0x80, value);
129 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
131 readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);
135 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
137 writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);
141 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
143 return (readreg(cs->hw.asus.adr,
144 cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0)));
148 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
150 writereg(cs->hw.asus.adr,
151 cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value);
155 * fast interrupt HSCX stuff goes here
158 #define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \
159 cs->hw.asus.hscx, reg + (nr ? 0x40 : 0))
160 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \
161 cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data)
163 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \
164 cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)
166 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \
167 cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)
169 #include "hscx_irq.c"
172 asuscom_interrupt(int intno, void *dev_id, struct pt_regs *regs)
174 struct IsdnCardState *cs = dev_id;
178 printk(KERN_WARNING "ISDNLink: Spurious interrupt!\n");
181 val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
184 hscx_int_main(cs, val);
185 val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
188 isac_interrupt(cs, val);
189 val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
191 if (cs->debug & L1_DEB_HSCX)
192 debugl1(cs, "HSCX IntStat after IntRoutine");
195 val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
197 if (cs->debug & L1_DEB_ISAC)
198 debugl1(cs, "ISAC IntStat after IntRoutine");
201 writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF);
202 writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF);
203 writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF);
204 writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0);
205 writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0);
206 writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0);
210 asuscom_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
212 struct IsdnCardState *cs = dev_id;
213 u_char ista, val, icnt = 5;
216 printk(KERN_WARNING "ISDNLink: Spurious interrupt!\n");
219 ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);
221 if (cs->debug & L1_DEB_IPAC)
222 debugl1(cs, "IPAC ISTA %02X", ista);
224 val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
232 hscx_int_main(cs, val);
235 val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA | 0x80);
237 isac_interrupt(cs, val);
242 isac_interrupt(cs, val);
244 ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);
245 if ((ista & 0x3f) && icnt) {
250 printk(KERN_WARNING "ASUS IRQ LOOP\n");
251 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF);
252 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0);
256 release_io_asuscom(struct IsdnCardState *cs)
260 if (cs->hw.asus.cfg_reg)
261 release_region(cs->hw.asus.cfg_reg, bytecnt);
265 reset_asuscom(struct IsdnCardState *cs)
269 if (cs->subtyp == ASUS_IPAC)
270 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20);
272 byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */
275 set_current_state(TASK_UNINTERRUPTIBLE);
276 schedule_timeout((10*HZ)/1000);
277 if (cs->subtyp == ASUS_IPAC)
278 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0);
280 byteout(cs->hw.asus.adr, 0); /* Reset Off */
281 set_current_state(TASK_UNINTERRUPTIBLE);
282 schedule_timeout((10*HZ)/1000);
283 if (cs->subtyp == ASUS_IPAC) {
284 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0);
285 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff);
286 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0);
287 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0);
288 writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12);
290 restore_flags(flags);
294 Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg)
301 release_io_asuscom(cs);
304 cs->debug |= L1_DEB_IPAC;
314 static struct isapnp_device_id asus_ids[] __initdata = {
315 { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688),
316 ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688),
317 (unsigned long) "Asus1688 PnP" },
318 { ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690),
319 ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690),
320 (unsigned long) "Asus1690 PnP" },
321 { ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020),
322 ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020),
323 (unsigned long) "Isurf2 PnP" },
324 { ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000),
325 ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000),
326 (unsigned long) "Iscas TE320" },
330 static struct isapnp_device_id *adev = &asus_ids[0];
331 static struct pci_bus *pnp_c __devinitdata = NULL;
335 setup_asuscom(struct IsdnCard *card)
338 struct IsdnCardState *cs = card->cs;
342 strcpy(tmp, Asuscom_revision);
343 printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp));
344 if (cs->typ != ISDN_CTYPE_ASUSCOM)
347 if (!card->para[1] && isapnp_present()) {
351 while(adev->card_vendor) {
352 if ((pb = isapnp_find_card(adev->card_vendor,
353 adev->card_device, pnp_c))) {
356 if ((pd = isapnp_find_dev(pnp_c,
357 adev->vendor, adev->function, pd))) {
358 printk(KERN_INFO "HiSax: %s detected\n",
359 (char *)adev->driver_data);
363 card->para[1] = pd->resource[0].start;
364 card->para[0] = pd->irq_resource[0].start;
365 if (!card->para[0] || !card->para[1]) {
366 printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n",
367 card->para[0], card->para[1]);
373 printk(KERN_ERR "AsusPnP: PnP error card found, no device\n");
379 if (!adev->card_vendor) {
380 printk(KERN_INFO "AsusPnP: no ISAPnP card found\n");
386 cs->hw.asus.cfg_reg = card->para[1];
387 cs->irq = card->para[0];
388 if (check_region((cs->hw.asus.cfg_reg), bytecnt)) {
390 "HiSax: %s config port %x-%x already in use\n",
393 cs->hw.asus.cfg_reg + bytecnt);
396 request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn");
398 printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n",
399 cs->hw.asus.cfg_reg, cs->irq);
400 cs->BC_Read_Reg = &ReadHSCX;
401 cs->BC_Write_Reg = &WriteHSCX;
402 cs->BC_Send_Data = &hscx_fill_fifo;
403 cs->cardmsg = &Asus_card_msg;
404 val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE,
405 cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID);
406 if ((val == 1) || (val == 2)) {
407 cs->subtyp = ASUS_IPAC;
408 cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE;
409 cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;
410 cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;
411 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
412 cs->readisac = &ReadISAC_IPAC;
413 cs->writeisac = &WriteISAC_IPAC;
414 cs->readisacfifo = &ReadISACfifo_IPAC;
415 cs->writeisacfifo = &WriteISACfifo_IPAC;
416 cs->irq_func = &asuscom_interrupt_ipac;
417 printk(KERN_INFO "Asus: IPAC version %x\n", val);
419 cs->subtyp = ASUS_ISACHSCX;
420 cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR;
421 cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC;
422 cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX;
423 cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7;
424 cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS;
425 cs->readisac = &ReadISAC;
426 cs->writeisac = &WriteISAC;
427 cs->readisacfifo = &ReadISACfifo;
428 cs->writeisacfifo = &WriteISACfifo;
429 cs->irq_func = &asuscom_interrupt;
430 ISACVersion(cs, "ISDNLink:");
431 if (HscxVersion(cs, "ISDNLink:")) {
433 "ISDNLink: wrong HSCX versions check IO address\n");
434 release_io_asuscom(cs);
438 printk(KERN_INFO "ISDNLink: resetting card\n");