[linux-2.6-block.git] / drivers / isdn / hisax / asuscom.c

/* $Id: asuscom.c,v 1.14.2.4 2004/01/13 23:48:39 keil Exp $
 *
 * low level stuff for ASUSCOM NETWORK INC. ISDNLink 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.
 *
 * Thanks to  ASUSCOM NETWORK INC. Taiwan and  Dynalink NL for information
 *
 */

#include <linux/init.h>
#include <linux/isapnp.h>
#include "hisax.h"
#include "isac.h"
#include "ipac.h"
#include "hscx.h"
#include "isdnl1.h"

static const char *Asuscom_revision = "$Revision: 1.14.2.4 $";

#define byteout(addr, val) outb(val, addr)
#define bytein(addr) inb(addr)

#define ASUS_ISAC	0
#define ASUS_HSCX	1
#define ASUS_ADR	2
#define ASUS_CTRL_U7	3
#define ASUS_CTRL_POTS	5

#define ASUS_IPAC_ALE	0
#define ASUS_IPAC_DATA	1

#define ASUS_ISACHSCX	1
#define ASUS_IPAC	2

/* CARD_ADR (Write) */
#define ASUS_RESET      0x80	/* Bit 7 Reset-Leitung */

static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
	register u_char ret;

	byteout(ale, off);
	ret = bytein(adr);
	return (ret);
}

static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	byteout(ale, off);
	insb(adr, data, size);
}


static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
	byteout(ale, off);
	byteout(adr, data);
}

static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
{
	byteout(ale, off);
	outsb(adr, data, size);
}

/* Interface functions */

static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
	return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset));
}

static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value);
}

static void
ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);
}

static void
WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
{
	writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);
}

static u_char
ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
{
	return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset | 0x80));
}

static void
WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
	writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset | 0x80, value);
}

static void
ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
{
	readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);
}

static void
WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
{
	writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);
}

static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
	return (readreg(cs->hw.asus.adr,
			cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0)));
}

static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
	writereg(cs->hw.asus.adr,
		 cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value);
}

/*
 * fast interrupt HSCX stuff goes here
 */

#define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr,			\
				      cs->hw.asus.hscx, reg + (nr ? 0x40 : 0))
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr,		\
					      cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data)

#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr,	\
						cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)

#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr,	\
						  cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)

#include "hscx_irq.c"

static irqreturn_t
asuscom_interrupt(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char val;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
Start_HSCX:
	if (val)
		hscx_int_main(cs, val);
	val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
Start_ISAC:
	if (val)
		isac_interrupt(cs, val);
	val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
	if (val) {
		if (cs->debug & L1_DEB_HSCX)
			debugl1(cs, "HSCX IntStat after IntRoutine");
		goto Start_HSCX;
	}
	val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
	if (val) {
		if (cs->debug & L1_DEB_ISAC)
			debugl1(cs, "ISAC IntStat after IntRoutine");
		goto Start_ISAC;
	}
	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF);
	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF);
	writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF);
	writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0);
	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0);
	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

static irqreturn_t
asuscom_interrupt_ipac(int intno, void *dev_id)
{
	struct IsdnCardState *cs = dev_id;
	u_char ista, val, icnt = 5;
	u_long flags;

	spin_lock_irqsave(&cs->lock, flags);
	ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);
Start_IPAC:
	if (cs->debug & L1_DEB_IPAC)
		debugl1(cs, "IPAC ISTA %02X", ista);
	if (ista & 0x0f) {
		val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
		if (ista & 0x01)
			val |= 0x01;
		if (ista & 0x04)
			val |= 0x02;
		if (ista & 0x08)
			val |= 0x04;
		if (val)
			hscx_int_main(cs, val);
	}
	if (ista & 0x20) {
		val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA | 0x80);
		if (val) {
			isac_interrupt(cs, val);
		}
	}
	if (ista & 0x10) {
		val = 0x01;
		isac_interrupt(cs, val);
	}
	ista  = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);
	if ((ista & 0x3f) && icnt) {
		icnt--;
		goto Start_IPAC;
	}
	if (!icnt)
		printk(KERN_WARNING "ASUS IRQ LOOP\n");
	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF);
	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0);
	spin_unlock_irqrestore(&cs->lock, flags);
	return IRQ_HANDLED;
}

static void
release_io_asuscom(struct IsdnCardState *cs)
{
	int bytecnt = 8;

	if (cs->hw.asus.cfg_reg)
		release_region(cs->hw.asus.cfg_reg, bytecnt);
}

static void
reset_asuscom(struct IsdnCardState *cs)
{
	if (cs->subtyp == ASUS_IPAC)
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20);
	else
		byteout(cs->hw.asus.adr, ASUS_RESET);	/* Reset On */
	mdelay(10);
	if (cs->subtyp == ASUS_IPAC)
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0);
	else
		byteout(cs->hw.asus.adr, 0);	/* Reset Off */
	mdelay(10);
	if (cs->subtyp == ASUS_IPAC) {
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0);
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff);
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0);
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0);
		writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12);
	}
}

static int
Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
	u_long flags;

	switch (mt) {
	case CARD_RESET:
		spin_lock_irqsave(&cs->lock, flags);
		reset_asuscom(cs);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_RELEASE:
		release_io_asuscom(cs);
		return (0);
	case CARD_INIT:
		spin_lock_irqsave(&cs->lock, flags);
		cs->debug |= L1_DEB_IPAC;
		inithscxisac(cs, 3);
		spin_unlock_irqrestore(&cs->lock, flags);
		return (0);
	case CARD_TEST:
		return (0);
	}
	return (0);
}

#ifdef __ISAPNP__
static struct isapnp_device_id asus_ids[] = {
	{ ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688),
	  ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688),
	  (unsigned long) "Asus1688 PnP" },
	{ ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690),
	  ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690),
	  (unsigned long) "Asus1690 PnP" },
	{ ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020),
	  ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020),
	  (unsigned long) "Isurf2 PnP" },
	{ ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000),
	  ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000),
	  (unsigned long) "Iscas TE320" },
	{ 0, }
};

static struct isapnp_device_id *ipid = &asus_ids[0];
static struct pnp_card *pnp_c = NULL;
#endif

int setup_asuscom(struct IsdnCard *card)
{
	int bytecnt;
	struct IsdnCardState *cs = card->cs;
	u_char val;
	char tmp[64];

	strcpy(tmp, Asuscom_revision);
	printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_ASUSCOM)
		return (0);
#ifdef __ISAPNP__
	if (!card->para[1] && isapnp_present()) {
		struct pnp_dev *pnp_d;
		while (ipid->card_vendor) {
			if ((pnp_c = pnp_find_card(ipid->card_vendor,
						   ipid->card_device, pnp_c))) {
				pnp_d = NULL;
				if ((pnp_d = pnp_find_dev(pnp_c,
							  ipid->vendor, ipid->function, pnp_d))) {
					int err;

					printk(KERN_INFO "HiSax: %s detected\n",
					       (char *)ipid->driver_data);
					pnp_disable_dev(pnp_d);
					err = pnp_activate_dev(pnp_d);
					if (err < 0) {
						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
						       __func__, err);
						return (0);
					}
					card->para[1] = pnp_port_start(pnp_d, 0);
					card->para[0] = pnp_irq(pnp_d, 0);
					if (!card->para[0] || !card->para[1]) {
						printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n",
						       card->para[0], card->para[1]);
						pnp_disable_dev(pnp_d);
						return (0);
					}
					break;
				} else {
					printk(KERN_ERR "AsusPnP: PnP error card found, no device\n");
				}
			}
			ipid++;
			pnp_c = NULL;
		}
		if (!ipid->card_vendor) {
			printk(KERN_INFO "AsusPnP: no ISAPnP card found\n");
			return (0);
		}
	}
#endif
	bytecnt = 8;
	cs->hw.asus.cfg_reg = card->para[1];
	cs->irq = card->para[0];
	if (!request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn")) {
		printk(KERN_WARNING
		       "HiSax: ISDNLink config port %x-%x already in use\n",
		       cs->hw.asus.cfg_reg,
		       cs->hw.asus.cfg_reg + bytecnt);
		return (0);
	}
	printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n",
	       cs->hw.asus.cfg_reg, cs->irq);
	setup_isac(cs);
	cs->BC_Read_Reg = &ReadHSCX;
	cs->BC_Write_Reg = &WriteHSCX;
	cs->BC_Send_Data = &hscx_fill_fifo;
	cs->cardmsg = &Asus_card_msg;
	val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE,
		      cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID);
	if ((val == 1) || (val == 2)) {
		cs->subtyp = ASUS_IPAC;
		cs->hw.asus.adr  = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE;
		cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;
		cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;
		test_and_set_bit(HW_IPAC, &cs->HW_Flags);
		cs->readisac = &ReadISAC_IPAC;
		cs->writeisac = &WriteISAC_IPAC;
		cs->readisacfifo = &ReadISACfifo_IPAC;
		cs->writeisacfifo = &WriteISACfifo_IPAC;
		cs->irq_func = &asuscom_interrupt_ipac;
		printk(KERN_INFO "Asus: IPAC version %x\n", val);
	} else {
		cs->subtyp = ASUS_ISACHSCX;
		cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR;
		cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC;
		cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX;
		cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7;
		cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS;
		cs->readisac = &ReadISAC;
		cs->writeisac = &WriteISAC;
		cs->readisacfifo = &ReadISACfifo;
		cs->writeisacfifo = &WriteISACfifo;
		cs->irq_func = &asuscom_interrupt;
		ISACVersion(cs, "ISDNLink:");
		if (HscxVersion(cs, "ISDNLink:")) {
			printk(KERN_WARNING
			       "ISDNLink: wrong HSCX versions check IO address\n");
			release_io_asuscom(cs);
			return (0);
		}
	}
	return (1);
}
Commit	Line	Data
1da177e4 LT	1	/* $Id: asuscom.c,v 1.14.2.4 2004/01/13 23:48:39 keil Exp $
	2	*
	3	* low level stuff for ASUSCOM NETWORK INC. ISDNLink cards
	4	*
	5	* Author Karsten Keil
	6	* Copyright by Karsten Keil <keil@isdn4linux.de>
	7	*
	8	* This software may be used and distributed according to the terms
	9	* of the GNU General Public License, incorporated herein by reference.
	10	*
	11	* Thanks to ASUSCOM NETWORK INC. Taiwan and Dynalink NL for information
	12	*
	13	*/
	14
	15	#include <linux/init.h>
	16	#include <linux/isapnp.h>
	17	#include "hisax.h"
	18	#include "isac.h"
	19	#include "ipac.h"
	20	#include "hscx.h"
	21	#include "isdnl1.h"
	22
672c3fd9	23	static const char *Asuscom_revision = "$Revision: 1.14.2.4 $";
1da177e4	24
475be4d8	25	#define byteout(addr, val) outb(val, addr)
1da177e4 LT	26	#define bytein(addr) inb(addr)
	27
	28	#define ASUS_ISAC 0
	29	#define ASUS_HSCX 1
	30	#define ASUS_ADR 2
	31	#define ASUS_CTRL_U7 3
	32	#define ASUS_CTRL_POTS 5
	33
	34	#define ASUS_IPAC_ALE 0
	35	#define ASUS_IPAC_DATA 1
	36
	37	#define ASUS_ISACHSCX 1
	38	#define ASUS_IPAC 2
	39
	40	/* CARD_ADR (Write) */
	41	#define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */
	42
	43	static inline u_char
	44	readreg(unsigned int ale, unsigned int adr, u_char off)
	45	{
	46	register u_char ret;
	47
	48	byteout(ale, off);
	49	ret = bytein(adr);
	50	return (ret);
	51	}
	52
	53	static inline void
475be4d8	54	readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
1da177e4 LT	55	{
	56	byteout(ale, off);
	57	insb(adr, data, size);
	58	}
	59
	60
	61	static inline void
	62	writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
	63	{
	64	byteout(ale, off);
	65	byteout(adr, data);
	66	}
	67
	68	static inline void
475be4d8	69	writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
1da177e4 LT	70	{
	71	byteout(ale, off);
	72	outsb(adr, data, size);
	73	}
	74
	75	/* Interface functions */
	76
	77	static u_char
	78	ReadISAC(struct IsdnCardState *cs, u_char offset)
	79	{
	80	return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset));
	81	}
	82
	83	static void
	84	WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
	85	{
	86	writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value);
	87	}
	88
	89	static void
475be4d8	90	ReadISACfifo(struct IsdnCardState cs, u_char data, int size)
1da177e4 LT	91	{
	92	readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);
	93	}
	94
	95	static void
475be4d8	96	WriteISACfifo(struct IsdnCardState cs, u_char data, int size)
1da177e4 LT	97	{
	98	writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);
	99	}
	100
	101	static u_char
	102	ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
	103	{
475be4d8	104	return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset \| 0x80));
1da177e4 LT	105	}
	106
	107	static void
	108	WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
	109	{
475be4d8	110	writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset \| 0x80, value);
1da177e4 LT	111	}
	112
	113	static void
475be4d8	114	ReadISACfifo_IPAC(struct IsdnCardState cs, u_char data, int size)
1da177e4 LT	115	{
	116	readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);
	117	}
	118
	119	static void
475be4d8	120	WriteISACfifo_IPAC(struct IsdnCardState cs, u_char data, int size)
1da177e4 LT	121	{
	122	writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);
	123	}
	124
	125	static u_char
	126	ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
	127	{
	128	return (readreg(cs->hw.asus.adr,
	129	cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0)));
	130	}
	131
	132	static void
	133	WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
	134	{
	135	writereg(cs->hw.asus.adr,
	136	cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value);
	137	}
	138
	139	/*
	140	* fast interrupt HSCX stuff goes here
	141	*/
	142
475be4d8 JP	143	#define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \
	144	cs->hw.asus.hscx, reg + (nr ? 0x40 : 0))
	145	#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \
	146	cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data)
1da177e4	147
475be4d8 JP	148	#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \
475be4d8 JP	149	cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)
1da177e4	150
475be4d8 JP	151	#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \
475be4d8 JP	152	cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)
1da177e4 LT	153
	154	#include "hscx_irq.c"
	155
	156	static irqreturn_t
7d12e780	157	asuscom_interrupt(int intno, void *dev_id)
1da177e4 LT	158	{
	159	struct IsdnCardState *cs = dev_id;
	160	u_char val;
	161	u_long flags;
	162
	163	spin_lock_irqsave(&cs->lock, flags);
	164	val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
475be4d8	165	Start_HSCX:
1da177e4 LT	166	if (val)
	167	hscx_int_main(cs, val);
	168	val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
475be4d8	169	Start_ISAC:
1da177e4 LT	170	if (val)
	171	isac_interrupt(cs, val);
	172	val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
	173	if (val) {
	174	if (cs->debug & L1_DEB_HSCX)
	175	debugl1(cs, "HSCX IntStat after IntRoutine");
	176	goto Start_HSCX;
	177	}
	178	val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
	179	if (val) {
	180	if (cs->debug & L1_DEB_ISAC)
	181	debugl1(cs, "ISAC IntStat after IntRoutine");
	182	goto Start_ISAC;
	183	}
	184	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF);
	185	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF);
	186	writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF);
	187	writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0);
	188	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0);
	189	writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0);
	190	spin_unlock_irqrestore(&cs->lock, flags);
	191	return IRQ_HANDLED;
	192	}
	193
	194	static irqreturn_t
7d12e780	195	asuscom_interrupt_ipac(int intno, void *dev_id)
1da177e4 LT	196	{
	197	struct IsdnCardState *cs = dev_id;
	198	u_char ista, val, icnt = 5;
	199	u_long flags;
	200
	201	spin_lock_irqsave(&cs->lock, flags);
	202	ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);
	203	Start_IPAC:
	204	if (cs->debug & L1_DEB_IPAC)
	205	debugl1(cs, "IPAC ISTA %02X", ista);
	206	if (ista & 0x0f) {
	207	val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
	208	if (ista & 0x01)
	209	val \|= 0x01;
	210	if (ista & 0x04)
	211	val \|= 0x02;
	212	if (ista & 0x08)
	213	val \|= 0x04;
	214	if (val)
	215	hscx_int_main(cs, val);
	216	}
	217	if (ista & 0x20) {
	218	val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA \| 0x80);
	219	if (val) {
	220	isac_interrupt(cs, val);
	221	}
	222	}
	223	if (ista & 0x10) {
	224	val = 0x01;
	225	isac_interrupt(cs, val);
	226	}
	227	ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);
	228	if ((ista & 0x3f) && icnt) {
	229	icnt--;
	230	goto Start_IPAC;
	231	}
	232	if (!icnt)
	233	printk(KERN_WARNING "ASUS IRQ LOOP\n");
	234	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF);
	235	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0);
	236	spin_unlock_irqrestore(&cs->lock, flags);
	237	return IRQ_HANDLED;
	238	}
	239
672c3fd9	240	static void
1da177e4 LT	241	release_io_asuscom(struct IsdnCardState *cs)
	242	{
	243	int bytecnt = 8;
	244
	245	if (cs->hw.asus.cfg_reg)
	246	release_region(cs->hw.asus.cfg_reg, bytecnt);
	247	}
	248
	249	static void
	250	reset_asuscom(struct IsdnCardState *cs)
	251	{
	252	if (cs->subtyp == ASUS_IPAC)
	253	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20);
	254	else
	255	byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */
	256	mdelay(10);
	257	if (cs->subtyp == ASUS_IPAC)
	258	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0);
	259	else
	260	byteout(cs->hw.asus.adr, 0); /* Reset Off */
	261	mdelay(10);
	262	if (cs->subtyp == ASUS_IPAC) {
	263	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0);
	264	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff);
	265	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0);
	266	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0);
	267	writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12);
	268	}
	269	}
	270
	271	static int
	272	Asus_card_msg(struct IsdnCardState cs, int mt, void arg)
	273	{
	274	u_long flags;
	275
	276	switch (mt) {
475be4d8 JP	277	case CARD_RESET:
	278	spin_lock_irqsave(&cs->lock, flags);
	279	reset_asuscom(cs);
	280	spin_unlock_irqrestore(&cs->lock, flags);
	281	return (0);
	282	case CARD_RELEASE:
	283	release_io_asuscom(cs);
	284	return (0);
	285	case CARD_INIT:
	286	spin_lock_irqsave(&cs->lock, flags);
	287	cs->debug \|= L1_DEB_IPAC;
	288	inithscxisac(cs, 3);
	289	spin_unlock_irqrestore(&cs->lock, flags);
	290	return (0);
	291	case CARD_TEST:
	292	return (0);
1da177e4	293	}
475be4d8	294	return (0);
1da177e4 LT	295	}
	296
	297	#ifdef __ISAPNP__
ed5a84cd	298	static struct isapnp_device_id asus_ids[] = {
1da177e4	299	{ ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688),
475be4d8	300	ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1688),
1da177e4 LT	301	(unsigned long) "Asus1688 PnP" },
1da177e4 LT	302	{ ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690),
475be4d8	303	ISAPNP_VENDOR('A', 'S', 'U'), ISAPNP_FUNCTION(0x1690),
1da177e4 LT	304	(unsigned long) "Asus1690 PnP" },
1da177e4 LT	305	{ ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020),
475be4d8	306	ISAPNP_VENDOR('S', 'I', 'E'), ISAPNP_FUNCTION(0x0020),
1da177e4 LT	307	(unsigned long) "Isurf2 PnP" },
1da177e4 LT	308	{ ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000),
475be4d8	309	ISAPNP_VENDOR('E', 'L', 'F'), ISAPNP_FUNCTION(0x0000),
1da177e4 LT	310	(unsigned long) "Iscas TE320" },
	311	{ 0, }
	312	};
	313
ed5a84cd GKH	314	static struct isapnp_device_id *ipid = &asus_ids[0];
ed5a84cd GKH	315	static struct pnp_card *pnp_c = NULL;
1da177e4 LT	316	#endif
1da177e4 LT	317
ed5a84cd	318	int setup_asuscom(struct IsdnCard *card)
1da177e4 LT	319	{
	320	int bytecnt;
	321	struct IsdnCardState *cs = card->cs;
	322	u_char val;
	323	char tmp[64];
	324
	325	strcpy(tmp, Asuscom_revision);
	326	printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp));
	327	if (cs->typ != ISDN_CTYPE_ASUSCOM)
	328	return (0);
	329	#ifdef __ISAPNP__
	330	if (!card->para[1] && isapnp_present()) {
	331	struct pnp_dev *pnp_d;
475be4d8	332	while (ipid->card_vendor) {
1da177e4	333	if ((pnp_c = pnp_find_card(ipid->card_vendor,
475be4d8	334	ipid->card_device, pnp_c))) {
1da177e4 LT	335	pnp_d = NULL;
1da177e4 LT	336	if ((pnp_d = pnp_find_dev(pnp_c,
475be4d8	337	ipid->vendor, ipid->function, pnp_d))) {
1da177e4 LT	338	int err;
	339
	340	printk(KERN_INFO "HiSax: %s detected\n",
475be4d8	341	(char *)ipid->driver_data);
1da177e4 LT	342	pnp_disable_dev(pnp_d);
1da177e4 LT	343	err = pnp_activate_dev(pnp_d);
475be4d8	344	if (err < 0) {
1da177e4	345	printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
475be4d8 JP	346	__func__, err);
475be4d8 JP	347	return (0);
1da177e4 LT	348	}
	349	card->para[1] = pnp_port_start(pnp_d, 0);
	350	card->para[0] = pnp_irq(pnp_d, 0);
	351	if (!card->para[0] \|\| !card->para[1]) {
	352	printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n",
475be4d8	353	card->para[0], card->para[1]);
1da177e4	354	pnp_disable_dev(pnp_d);
475be4d8	355	return (0);
1da177e4 LT	356	}
	357	break;
	358	} else {
	359	printk(KERN_ERR "AsusPnP: PnP error card found, no device\n");
	360	}
	361	}
	362	ipid++;
	363	pnp_c = NULL;
475be4d8	364	}
1da177e4 LT	365	if (!ipid->card_vendor) {
1da177e4 LT	366	printk(KERN_INFO "AsusPnP: no ISAPnP card found\n");
475be4d8	367	return (0);
1da177e4 LT	368	}
	369	}
	370	#endif
	371	bytecnt = 8;
	372	cs->hw.asus.cfg_reg = card->para[1];
	373	cs->irq = card->para[0];
	374	if (!request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn")) {
	375	printk(KERN_WARNING
8349304d	376	"HiSax: ISDNLink config port %x-%x already in use\n",
1da177e4 LT	377	cs->hw.asus.cfg_reg,
	378	cs->hw.asus.cfg_reg + bytecnt);
	379	return (0);
	380	}
	381	printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n",
475be4d8	382	cs->hw.asus.cfg_reg, cs->irq);
1da177e4 LT	383	setup_isac(cs);
	384	cs->BC_Read_Reg = &ReadHSCX;
	385	cs->BC_Write_Reg = &WriteHSCX;
	386	cs->BC_Send_Data = &hscx_fill_fifo;
	387	cs->cardmsg = &Asus_card_msg;
475be4d8 JP	388	val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE,
475be4d8 JP	389	cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID);
1da177e4 LT	390	if ((val == 1) \|\| (val == 2)) {
	391	cs->subtyp = ASUS_IPAC;
	392	cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE;
	393	cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;
	394	cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;
	395	test_and_set_bit(HW_IPAC, &cs->HW_Flags);
	396	cs->readisac = &ReadISAC_IPAC;
	397	cs->writeisac = &WriteISAC_IPAC;
	398	cs->readisacfifo = &ReadISACfifo_IPAC;
	399	cs->writeisacfifo = &WriteISACfifo_IPAC;
	400	cs->irq_func = &asuscom_interrupt_ipac;
	401	printk(KERN_INFO "Asus: IPAC version %x\n", val);
	402	} else {
	403	cs->subtyp = ASUS_ISACHSCX;
	404	cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR;
	405	cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC;
	406	cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX;
	407	cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7;
	408	cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS;
	409	cs->readisac = &ReadISAC;
	410	cs->writeisac = &WriteISAC;
	411	cs->readisacfifo = &ReadISACfifo;
	412	cs->writeisacfifo = &WriteISACfifo;
	413	cs->irq_func = &asuscom_interrupt;
	414	ISACVersion(cs, "ISDNLink:");
	415	if (HscxVersion(cs, "ISDNLink:")) {
	416	printk(KERN_WARNING
475be4d8	417	"ISDNLink: wrong HSCX versions check IO address\n");
1da177e4 LT	418	release_io_asuscom(cs);
	419	return (0);
	420	}
	421	}
	422	return (1);
	423	}