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/* $Id: asuscom.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $
 
 * asuscom.c     low level stuff for ASUSCOM NETWORK INC. ISDNLink cards
 *
 * Author     Karsten Keil (keil@isdn4linux.de)
 *
 * Thanks to  ASUSCOM NETWORK INC. Taiwan and  Dynalink NL for informations
 *
 *
 * $Log: not supported by cvs2svn $
 * Revision 1.1.1.1  2001/09/10 07:44:18  simons
 * Initial import
 *
 * Revision 1.1.1.1  2001/07/02 17:58:32  simons
 * Initial revision
 *
 * Revision 1.1.2.4  1998/11/03 00:05:42  keil
 * certification related changes
 * fixed logging for smaller stack use
 *
 * Revision 1.1.2.3  1998/06/18 23:10:26  keil
 * Support for new IPAC card
 *
 * Revision 1.1.2.2  1998/04/08 21:58:37  keil
 * New init code
 *
 * Revision 1.1.2.1  1998/01/27 22:34:02  keil
 * dynalink ----> asuscom
 *
 *
 */
 
#define __NO_VERSION__
#include "hisax.h"
#include "isac.h"
#include "ipac.h"
#include "hscx.h"
#include "isdnl1.h"
 
extern const char *CardType[];
 
const char *Asuscom_revision = "$Revision: 1.1 $";
 
#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;
        long flags;
 
        save_flags(flags);
        cli();
        byteout(ale, off);
        ret = bytein(adr);
        restore_flags(flags);
        return (ret);
}
 
static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
        /* fifo read without cli because it's allready done  */
 
        byteout(ale, off);
        insb(adr, data, size);
}
 
 
static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
        long flags;
 
        save_flags(flags);
        cli();
        byteout(ale, off);
        byteout(adr, data);
        restore_flags(flags);
}
 
static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
        /* fifo write without cli because it's allready done  */
        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 void
asuscom_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
        struct IsdnCardState *cs = dev_id;
        u_char val, stat = 0;
 
        if (!cs) {
                printk(KERN_WARNING "ISDNLink: Spurious interrupt!\n");
                return;
        }
        val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);
      Start_HSCX:
        if (val) {
                hscx_int_main(cs, val);
                stat |= 1;
        }
        val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);
      Start_ISAC:
        if (val) {
                isac_interrupt(cs, val);
                stat |= 2;
        }
        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;
        }
        if (stat & 1) {
                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.hscx, HSCX_MASK, 0x0);
                writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0);
        }
        if (stat & 2) {
                writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF);
                writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0);
        }
}
 
static void
asuscom_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
{
        struct IsdnCardState *cs = dev_id;
        u_char ista, val, icnt = 20;
 
        if (!cs) {
                printk(KERN_WARNING "ISDNLink: Spurious interrupt!\n");
                return;
        }
        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);
}
 
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)
{
        long flags;
 
        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 */
        save_flags(flags);
        sti();
        current->state = TASK_INTERRUPTIBLE;
        current->timeout = jiffies + 1;
        schedule();
        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 */
        current->state = TASK_INTERRUPTIBLE;
        current->timeout = jiffies + 1;
        schedule();
        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);
        }
        restore_flags(flags);
}
 
static int
Asus_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
        switch (mt) {
                case CARD_RESET:
                        reset_asuscom(cs);
                        return(0);
                case CARD_RELEASE:
                        release_io_asuscom(cs);
                        return(0);
                case CARD_SETIRQ:
                        if (cs->subtyp == ASUS_IPAC)
                                return(request_irq(cs->irq, &asuscom_interrupt_ipac,
                                        I4L_IRQ_FLAG, "HiSax", cs));
                        else
                                return(request_irq(cs->irq, &asuscom_interrupt,
                                        I4L_IRQ_FLAG, "HiSax", cs));
                case CARD_INIT:
                        cs->debug |= L1_DEB_IPAC;
                        inithscxisac(cs, 3);
                        return(0);
                case CARD_TEST:
                        return(0);
        }
        return(0);
}
 
__initfunc(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);
 
        bytecnt = 8;
        cs->hw.asus.cfg_reg = card->para[1];
        cs->irq = card->para[0];
        if (check_region((cs->hw.asus.cfg_reg), bytecnt)) {
                printk(KERN_WARNING
                       "HiSax: %s config port %x-%x already in use\n",
                       CardType[card->typ],
                       cs->hw.asus.cfg_reg,
                       cs->hw.asus.cfg_reg + bytecnt);
                return (0);
        } else {
                request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn");
        }
        printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n",
                cs->hw.asus.cfg_reg, cs->irq);
        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) {
                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;
                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;
                ISACVersion(cs, "ISDNLink:");
                if (HscxVersion(cs, "ISDNLink:")) {
                        printk(KERN_WARNING
                        "ISDNLink: wrong HSCX versions check IO address\n");
                        release_io_asuscom(cs);
                        return (0);
                }
        }
        printk(KERN_INFO "ISDNLink: resetting card\n");
        reset_asuscom(cs);
        return (1);
}

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [asuscom.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1626	jcastillo	`/* $Id: asuscom.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $`
2
3			`* asuscom.c low level stuff for ASUSCOM NETWORK INC. ISDNLink cards`
4			`*`
5			`* Author Karsten Keil (keil@isdn4linux.de)`
6			`*`
7			`* Thanks to ASUSCOM NETWORK INC. Taiwan and Dynalink NL for informations`
8			`*`
9			`*`
10			`* $Log: not supported by cvs2svn $`
11			`* Revision 1.1.1.1 2001/09/10 07:44:18 simons`
12			`* Initial import`
13			`*`
14			`* Revision 1.1.1.1 2001/07/02 17:58:32 simons`
15			`* Initial revision`
16			`*`
17			`* Revision 1.1.2.4 1998/11/03 00:05:42 keil`
18			`* certification related changes`
19			`* fixed logging for smaller stack use`
20			`*`
21			`* Revision 1.1.2.3 1998/06/18 23:10:26 keil`
22			`* Support for new IPAC card`
23			`*`
24			`* Revision 1.1.2.2 1998/04/08 21:58:37 keil`
25			`* New init code`
26			`*`
27			`* Revision 1.1.2.1 1998/01/27 22:34:02 keil`
28			`* dynalink ----> asuscom`
29			`*`
30			`*`
31			`*/`
32
33			`#define __NO_VERSION__`
34			`#include "hisax.h"`
35			`#include "isac.h"`
36			`#include "ipac.h"`
37			`#include "hscx.h"`
38			`#include "isdnl1.h"`
39
40			`extern const char *CardType[];`
41
42			`const char *Asuscom_revision = "$Revision: 1.1 $";`
43
44			`#define byteout(addr,val) outb(val,addr)`
45			`#define bytein(addr) inb(addr)`
46
47			`#define ASUS_ISAC 0`
48			`#define ASUS_HSCX 1`
49			`#define ASUS_ADR 2`
50			`#define ASUS_CTRL_U7 3`
51			`#define ASUS_CTRL_POTS 5`
52
53			`#define ASUS_IPAC_ALE 0`
54			`#define ASUS_IPAC_DATA 1`
55
56			`#define ASUS_ISACHSCX 1`
57			`#define ASUS_IPAC 2`
58
59			`/* CARD_ADR (Write) */`
60			`#define ASUS_RESET 0x80 /* Bit 7 Reset-Leitung */`
61
62			`static inline u_char`
63			`readreg(unsigned int ale, unsigned int adr, u_char off)`
64			`{`
65			`register u_char ret;`
66			`long flags;`
67
68			`save_flags(flags);`
69			`cli();`
70			`byteout(ale, off);`
71			`ret = bytein(adr);`
72			`restore_flags(flags);`
73			`return (ret);`
74			`}`
75
76			`static inline void`
77			`readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)`
78			`{`
79			`/* fifo read without cli because it's allready done */`
80
81			`byteout(ale, off);`
82			`insb(adr, data, size);`
83			`}`
84
85
86			`static inline void`
87			`writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)`
88			`{`
89			`long flags;`
90
91			`save_flags(flags);`
92			`cli();`
93			`byteout(ale, off);`
94			`byteout(adr, data);`
95			`restore_flags(flags);`
96			`}`
97
98			`static inline void`
99			`writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)`
100			`{`
101			`/* fifo write without cli because it's allready done */`
102			`byteout(ale, off);`
103			`outsb(adr, data, size);`
104			`}`
105
106			`/* Interface functions */`
107
108			`static u_char`
109			`ReadISAC(struct IsdnCardState *cs, u_char offset)`
110			`{`
111			`return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset));`
112			`}`
113
114			`static void`
115			`WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)`
116			`{`
117			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset, value);`
118			`}`
119
120			`static void`
121			`ReadISACfifo(struct IsdnCardState cs, u_char data, int size)`
122			`{`
123			`readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);`
124			`}`
125
126			`static void`
127			`WriteISACfifo(struct IsdnCardState cs, u_char data, int size)`
128			`{`
129			`writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0, data, size);`
130			`}`
131
132			`static u_char`
133			`ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)`
134			`{`
135			`return (readreg(cs->hw.asus.adr, cs->hw.asus.isac, offset\|0x80));`
136			`}`
137
138			`static void`
139			`WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)`
140			`{`
141			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, offset\|0x80, value);`
142			`}`
143
144			`static void`
145			`ReadISACfifo_IPAC(struct IsdnCardState cs, u_char data, int size)`
146			`{`
147			`readfifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);`
148			`}`
149
150			`static void`
151			`WriteISACfifo_IPAC(struct IsdnCardState cs, u_char data, int size)`
152			`{`
153			`writefifo(cs->hw.asus.adr, cs->hw.asus.isac, 0x80, data, size);`
154			`}`
155
156			`static u_char`
157			`ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)`
158			`{`
159			`return (readreg(cs->hw.asus.adr,`
160			`cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0)));`
161			`}`
162
163			`static void`
164			`WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)`
165			`{`
166			`writereg(cs->hw.asus.adr,`
167			`cs->hw.asus.hscx, offset + (hscx ? 0x40 : 0), value);`
168			`}`
169
170			`/*`
171			`* fast interrupt HSCX stuff goes here`
172			`*/`
173
174			`#define READHSCX(cs, nr, reg) readreg(cs->hw.asus.adr, \`
175			`cs->hw.asus.hscx, reg + (nr ? 0x40 : 0))`
176			`#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.asus.adr, \`
177			`cs->hw.asus.hscx, reg + (nr ? 0x40 : 0), data)`
178
179			`#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.asus.adr, \`
180			`cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)`
181
182			`#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.asus.adr, \`
183			`cs->hw.asus.hscx, (nr ? 0x40 : 0), ptr, cnt)`
184
185			`#include "hscx_irq.c"`
186
187			`static void`
188			`asuscom_interrupt(int intno, void dev_id, struct pt_regs regs)`
189			`{`
190			`struct IsdnCardState *cs = dev_id;`
191			`u_char val, stat = 0;`
192
193			`if (!cs) {`
194			`printk(KERN_WARNING "ISDNLink: Spurious interrupt!\n");`
195			`return;`
196			`}`
197			`val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);`
198			`Start_HSCX:`
199			`if (val) {`
200			`hscx_int_main(cs, val);`
201			`stat \|= 1;`
202			`}`
203			`val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);`
204			`Start_ISAC:`
205			`if (val) {`
206			`isac_interrupt(cs, val);`
207			`stat \|= 2;`
208			`}`
209			`val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);`
210			`if (val) {`
211			`if (cs->debug & L1_DEB_HSCX)`
212			`debugl1(cs, "HSCX IntStat after IntRoutine");`
213			`goto Start_HSCX;`
214			`}`
215			`val = readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA);`
216			`if (val) {`
217			`if (cs->debug & L1_DEB_ISAC)`
218			`debugl1(cs, "ISAC IntStat after IntRoutine");`
219			`goto Start_ISAC;`
220			`}`
221			`if (stat & 1) {`
222			`writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0xFF);`
223			`writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0xFF);`
224			`writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK, 0x0);`
225			`writereg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_MASK + 0x40, 0x0);`
226			`}`
227			`if (stat & 2) {`
228			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0xFF);`
229			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_MASK, 0x0);`
230			`}`
231			`}`
232
233			`static void`
234			`asuscom_interrupt_ipac(int intno, void dev_id, struct pt_regs regs)`
235			`{`
236			`struct IsdnCardState *cs = dev_id;`
237			`u_char ista, val, icnt = 20;`
238
239			`if (!cs) {`
240			`printk(KERN_WARNING "ISDNLink: Spurious interrupt!\n");`
241			`return;`
242			`}`
243			`ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);`
244			`Start_IPAC:`
245			`if (cs->debug & L1_DEB_IPAC)`
246			`debugl1(cs, "IPAC ISTA %02X", ista);`
247			`if (ista & 0x0f) {`
248			`val = readreg(cs->hw.asus.adr, cs->hw.asus.hscx, HSCX_ISTA + 0x40);`
249			`if (ista & 0x01)`
250			`val \|= 0x01;`
251			`if (ista & 0x04)`
252			`val \|= 0x02;`
253			`if (ista & 0x08)`
254			`val \|= 0x04;`
255			`if (val)`
256			`hscx_int_main(cs, val);`
257			`}`
258			`if (ista & 0x20) {`
259			`val = 0xfe & readreg(cs->hw.asus.adr, cs->hw.asus.isac, ISAC_ISTA \| 0x80);`
260			`if (val) {`
261			`isac_interrupt(cs, val);`
262			`}`
263			`}`
264			`if (ista & 0x10) {`
265			`val = 0x01;`
266			`isac_interrupt(cs, val);`
267			`}`
268			`ista = readreg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ISTA);`
269			`if ((ista & 0x3f) && icnt) {`
270			`icnt--;`
271			`goto Start_IPAC;`
272			`}`
273			`if (!icnt)`
274			`printk(KERN_WARNING "ASUS IRQ LOOP\n");`
275			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xFF);`
276			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xC0);`
277			`}`
278
279			`void`
280			`release_io_asuscom(struct IsdnCardState *cs)`
281			`{`
282			`int bytecnt = 8;`
283
284			`if (cs->hw.asus.cfg_reg)`
285			`release_region(cs->hw.asus.cfg_reg, bytecnt);`
286			`}`
287
288			`static void`
289			`reset_asuscom(struct IsdnCardState *cs)`
290			`{`
291			`long flags;`
292
293			`if (cs->subtyp == ASUS_IPAC)`
294			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x20);`
295			`else`
296			`byteout(cs->hw.asus.adr, ASUS_RESET); /* Reset On */`
297			`save_flags(flags);`
298			`sti();`
299			`current->state = TASK_INTERRUPTIBLE;`
300			`current->timeout = jiffies + 1;`
301			`schedule();`
302			`if (cs->subtyp == ASUS_IPAC)`
303			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_POTA2, 0x0);`
304			`else`
305			`byteout(cs->hw.asus.adr, 0); /* Reset Off */`
306			`current->state = TASK_INTERRUPTIBLE;`
307			`current->timeout = jiffies + 1;`
308			`schedule();`
309			`if (cs->subtyp == ASUS_IPAC) {`
310			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_CONF, 0x0);`
311			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_ACFG, 0xff);`
312			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_AOE, 0x0);`
313			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_MASK, 0xc0);`
314			`writereg(cs->hw.asus.adr, cs->hw.asus.isac, IPAC_PCFG, 0x12);`
315			`}`
316			`restore_flags(flags);`
317			`}`
318
319			`static int`
320			`Asus_card_msg(struct IsdnCardState cs, int mt, void arg)`
321			`{`
322			`switch (mt) {`
323			`case CARD_RESET:`
324			`reset_asuscom(cs);`
325			`return(0);`
326			`case CARD_RELEASE:`
327			`release_io_asuscom(cs);`
328			`return(0);`
329			`case CARD_SETIRQ:`
330			`if (cs->subtyp == ASUS_IPAC)`
331			`return(request_irq(cs->irq, &asuscom_interrupt_ipac,`
332			`I4L_IRQ_FLAG, "HiSax", cs));`
333			`else`
334			`return(request_irq(cs->irq, &asuscom_interrupt,`
335			`I4L_IRQ_FLAG, "HiSax", cs));`
336			`case CARD_INIT:`
337			`cs->debug \|= L1_DEB_IPAC;`
338			`inithscxisac(cs, 3);`
339			`return(0);`
340			`case CARD_TEST:`
341			`return(0);`
342			`}`
343			`return(0);`
344			`}`
345
346			`__initfunc(int`
347			`setup_asuscom(struct IsdnCard *card))`
348			`{`
349			`int bytecnt;`
350			`struct IsdnCardState *cs = card->cs;`
351			`u_char val;`
352			`char tmp[64];`
353
354			`strcpy(tmp, Asuscom_revision);`
355			`printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp));`
356			`if (cs->typ != ISDN_CTYPE_ASUSCOM)`
357			`return (0);`
358
359			`bytecnt = 8;`
360			`cs->hw.asus.cfg_reg = card->para[1];`
361			`cs->irq = card->para[0];`
362			`if (check_region((cs->hw.asus.cfg_reg), bytecnt)) {`
363			`printk(KERN_WARNING`
364			`"HiSax: %s config port %x-%x already in use\n",`
365			`CardType[card->typ],`
366			`cs->hw.asus.cfg_reg,`
367			`cs->hw.asus.cfg_reg + bytecnt);`
368			`return (0);`
369			`} else {`
370			`request_region(cs->hw.asus.cfg_reg, bytecnt, "asuscom isdn");`
371			`}`
372			`printk(KERN_INFO "ISDNLink: defined at 0x%x IRQ %d\n",`
373			`cs->hw.asus.cfg_reg, cs->irq);`
374			`cs->BC_Read_Reg = &ReadHSCX;`
375			`cs->BC_Write_Reg = &WriteHSCX;`
376			`cs->BC_Send_Data = &hscx_fill_fifo;`
377			`cs->cardmsg = &Asus_card_msg;`
378			`val = readreg(cs->hw.asus.cfg_reg + ASUS_IPAC_ALE,`
379			`cs->hw.asus.cfg_reg + ASUS_IPAC_DATA, IPAC_ID);`
380			`if (val == 1) {`
381			`cs->subtyp = ASUS_IPAC;`
382			`cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_IPAC_ALE;`
383			`cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;`
384			`cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_IPAC_DATA;`
385			`test_and_set_bit(HW_IPAC, &cs->HW_Flags);`
386			`cs->readisac = &ReadISAC_IPAC;`
387			`cs->writeisac = &WriteISAC_IPAC;`
388			`cs->readisacfifo = &ReadISACfifo_IPAC;`
389			`cs->writeisacfifo = &WriteISACfifo_IPAC;`
390			`printk(KERN_INFO "Asus: IPAC version %x\n", val);`
391			`} else {`
392			`cs->subtyp = ASUS_ISACHSCX;`
393			`cs->hw.asus.adr = cs->hw.asus.cfg_reg + ASUS_ADR;`
394			`cs->hw.asus.isac = cs->hw.asus.cfg_reg + ASUS_ISAC;`
395			`cs->hw.asus.hscx = cs->hw.asus.cfg_reg + ASUS_HSCX;`
396			`cs->hw.asus.u7 = cs->hw.asus.cfg_reg + ASUS_CTRL_U7;`
397			`cs->hw.asus.pots = cs->hw.asus.cfg_reg + ASUS_CTRL_POTS;`
398			`cs->readisac = &ReadISAC;`
399			`cs->writeisac = &WriteISAC;`
400			`cs->readisacfifo = &ReadISACfifo;`
401			`cs->writeisacfifo = &WriteISACfifo;`
402			`ISACVersion(cs, "ISDNLink:");`
403			`if (HscxVersion(cs, "ISDNLink:")) {`
404			`printk(KERN_WARNING`
405			`"ISDNLink: wrong HSCX versions check IO address\n");`
406			`release_io_asuscom(cs);`
407			`return (0);`
408			`}`
409			`}`
410			`printk(KERN_INFO "ISDNLink: resetting card\n");`
411			`reset_asuscom(cs);`
412			`return (1);`
413			`}`