425 lines
11 KiB
C
425 lines
11 KiB
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[] __devinitdata = {
|
|
{ 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 __devinitdata = &asus_ids[0];
|
|
static struct pnp_card *pnp_c __devinitdata = NULL;
|
|
#endif
|
|
|
|
int __devinit
|
|
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);
|
|
}
|