381 lines
10 KiB
C
381 lines
10 KiB
C
/* $Id: niccy.c,v 1.21.2.4 2004/01/13 23:48:39 keil Exp $
|
|
*
|
|
* low level stuff for Dr. Neuhaus NICCY PnP and NICCY PCI and
|
|
* compatible (SAGEM cybermodem)
|
|
*
|
|
* 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 Dr. Neuhaus and SAGEM for information
|
|
*
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include "hisax.h"
|
|
#include "isac.h"
|
|
#include "hscx.h"
|
|
#include "isdnl1.h"
|
|
#include <linux/pci.h>
|
|
#include <linux/isapnp.h>
|
|
|
|
static const char *niccy_revision = "$Revision: 1.21.2.4 $";
|
|
|
|
#define byteout(addr,val) outb(val,addr)
|
|
#define bytein(addr) inb(addr)
|
|
|
|
#define ISAC_PCI_DATA 0
|
|
#define HSCX_PCI_DATA 1
|
|
#define ISAC_PCI_ADDR 2
|
|
#define HSCX_PCI_ADDR 3
|
|
#define ISAC_PNP 0
|
|
#define HSCX_PNP 1
|
|
|
|
/* SUB Types */
|
|
#define NICCY_PNP 1
|
|
#define NICCY_PCI 2
|
|
|
|
/* PCI stuff */
|
|
#define PCI_IRQ_CTRL_REG 0x38
|
|
#define PCI_IRQ_ENABLE 0x1f00
|
|
#define PCI_IRQ_DISABLE 0xff0000
|
|
#define PCI_IRQ_ASSERT 0x800000
|
|
|
|
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.niccy.isac_ale, cs->hw.niccy.isac, offset);
|
|
}
|
|
|
|
static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
|
|
{
|
|
writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, offset, value);
|
|
}
|
|
|
|
static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
|
|
{
|
|
readfifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size);
|
|
}
|
|
|
|
static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
|
|
{
|
|
writefifo(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, 0, data, size);
|
|
}
|
|
|
|
static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
|
|
{
|
|
return readreg(cs->hw.niccy.hscx_ale,
|
|
cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0));
|
|
}
|
|
|
|
static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset,
|
|
u_char value)
|
|
{
|
|
writereg(cs->hw.niccy.hscx_ale,
|
|
cs->hw.niccy.hscx, offset + (hscx ? 0x40 : 0), value);
|
|
}
|
|
|
|
#define READHSCX(cs, nr, reg) readreg(cs->hw.niccy.hscx_ale, \
|
|
cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0))
|
|
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.niccy.hscx_ale, \
|
|
cs->hw.niccy.hscx, reg + (nr ? 0x40 : 0), data)
|
|
|
|
#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.niccy.hscx_ale, \
|
|
cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt)
|
|
|
|
#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.niccy.hscx_ale, \
|
|
cs->hw.niccy.hscx, (nr ? 0x40 : 0), ptr, cnt)
|
|
|
|
#include "hscx_irq.c"
|
|
|
|
static irqreturn_t niccy_interrupt(int intno, void *dev_id)
|
|
{
|
|
struct IsdnCardState *cs = dev_id;
|
|
u_char val;
|
|
u_long flags;
|
|
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
if (cs->subtyp == NICCY_PCI) {
|
|
int ival;
|
|
ival = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
|
|
if (!(ival & PCI_IRQ_ASSERT)) { /* IRQ not for us (shared) */
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return IRQ_NONE;
|
|
}
|
|
outl(ival, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
|
|
}
|
|
val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx,
|
|
HSCX_ISTA + 0x40);
|
|
Start_HSCX:
|
|
if (val)
|
|
hscx_int_main(cs, val);
|
|
val = readreg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA);
|
|
Start_ISAC:
|
|
if (val)
|
|
isac_interrupt(cs, val);
|
|
val = readreg(cs->hw.niccy.hscx_ale, cs->hw.niccy.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.niccy.isac_ale, cs->hw.niccy.isac, ISAC_ISTA);
|
|
if (val) {
|
|
if (cs->debug & L1_DEB_ISAC)
|
|
debugl1(cs, "ISAC IntStat after IntRoutine");
|
|
goto Start_ISAC;
|
|
}
|
|
writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0xFF);
|
|
writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40,
|
|
0xFF);
|
|
writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0xFF);
|
|
writereg(cs->hw.niccy.isac_ale, cs->hw.niccy.isac, ISAC_MASK, 0);
|
|
writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK, 0);
|
|
writereg(cs->hw.niccy.hscx_ale, cs->hw.niccy.hscx, HSCX_MASK + 0x40,0);
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static void release_io_niccy(struct IsdnCardState *cs)
|
|
{
|
|
if (cs->subtyp == NICCY_PCI) {
|
|
int val;
|
|
|
|
val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
|
|
val &= PCI_IRQ_DISABLE;
|
|
outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
|
|
release_region(cs->hw.niccy.cfg_reg, 0x40);
|
|
release_region(cs->hw.niccy.isac, 4);
|
|
} else {
|
|
release_region(cs->hw.niccy.isac, 2);
|
|
release_region(cs->hw.niccy.isac_ale, 2);
|
|
}
|
|
}
|
|
|
|
static void niccy_reset(struct IsdnCardState *cs)
|
|
{
|
|
if (cs->subtyp == NICCY_PCI) {
|
|
int val;
|
|
|
|
val = inl(cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
|
|
val |= PCI_IRQ_ENABLE;
|
|
outl(val, cs->hw.niccy.cfg_reg + PCI_IRQ_CTRL_REG);
|
|
}
|
|
inithscxisac(cs, 3);
|
|
}
|
|
|
|
static int niccy_card_msg(struct IsdnCardState *cs, int mt, void *arg)
|
|
{
|
|
u_long flags;
|
|
|
|
switch (mt) {
|
|
case CARD_RESET:
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
niccy_reset(cs);
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return 0;
|
|
case CARD_RELEASE:
|
|
release_io_niccy(cs);
|
|
return 0;
|
|
case CARD_INIT:
|
|
spin_lock_irqsave(&cs->lock, flags);
|
|
niccy_reset(cs);
|
|
spin_unlock_irqrestore(&cs->lock, flags);
|
|
return 0;
|
|
case CARD_TEST:
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef __ISAPNP__
|
|
static struct pnp_card *pnp_c __devinitdata = NULL;
|
|
#endif
|
|
|
|
int __devinit setup_niccy(struct IsdnCard *card)
|
|
{
|
|
struct IsdnCardState *cs = card->cs;
|
|
char tmp[64];
|
|
|
|
strcpy(tmp, niccy_revision);
|
|
printk(KERN_INFO "HiSax: Niccy driver Rev. %s\n", HiSax_getrev(tmp));
|
|
if (cs->typ != ISDN_CTYPE_NICCY)
|
|
return 0;
|
|
#ifdef __ISAPNP__
|
|
if (!card->para[1] && isapnp_present()) {
|
|
struct pnp_dev *pnp_d = NULL;
|
|
int err;
|
|
|
|
pnp_c = pnp_find_card(ISAPNP_VENDOR('S', 'D', 'A'),
|
|
ISAPNP_FUNCTION(0x0150), pnp_c);
|
|
if (pnp_c) {
|
|
pnp_d = pnp_find_dev(pnp_c,
|
|
ISAPNP_VENDOR('S', 'D', 'A'),
|
|
ISAPNP_FUNCTION(0x0150), pnp_d);
|
|
if (!pnp_d) {
|
|
printk(KERN_ERR "NiccyPnP: PnP error card "
|
|
"found, no device\n");
|
|
return 0;
|
|
}
|
|
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[2] = pnp_port_start(pnp_d, 1);
|
|
card->para[0] = pnp_irq(pnp_d, 0);
|
|
if (!card->para[0] || !card->para[1] ||
|
|
!card->para[2]) {
|
|
printk(KERN_ERR "NiccyPnP:some resources are "
|
|
"missing %ld/%lx/%lx\n",
|
|
card->para[0], card->para[1],
|
|
card->para[2]);
|
|
pnp_disable_dev(pnp_d);
|
|
return 0;
|
|
}
|
|
} else
|
|
printk(KERN_INFO "NiccyPnP: no ISAPnP card found\n");
|
|
}
|
|
#endif
|
|
if (card->para[1]) {
|
|
cs->hw.niccy.isac = card->para[1] + ISAC_PNP;
|
|
cs->hw.niccy.hscx = card->para[1] + HSCX_PNP;
|
|
cs->hw.niccy.isac_ale = card->para[2] + ISAC_PNP;
|
|
cs->hw.niccy.hscx_ale = card->para[2] + HSCX_PNP;
|
|
cs->hw.niccy.cfg_reg = 0;
|
|
cs->subtyp = NICCY_PNP;
|
|
cs->irq = card->para[0];
|
|
if (!request_region(cs->hw.niccy.isac, 2, "niccy data")) {
|
|
printk(KERN_WARNING "HiSax: NICCY data port %x-%x "
|
|
"already in use\n",
|
|
cs->hw.niccy.isac, cs->hw.niccy.isac + 1);
|
|
return 0;
|
|
}
|
|
if (!request_region(cs->hw.niccy.isac_ale, 2, "niccy addr")) {
|
|
printk(KERN_WARNING "HiSax: NICCY address port %x-%x "
|
|
"already in use\n",
|
|
cs->hw.niccy.isac_ale,
|
|
cs->hw.niccy.isac_ale + 1);
|
|
release_region(cs->hw.niccy.isac, 2);
|
|
return 0;
|
|
}
|
|
} else {
|
|
#ifdef CONFIG_PCI_LEGACY
|
|
static struct pci_dev *niccy_dev __devinitdata;
|
|
|
|
u_int pci_ioaddr;
|
|
cs->subtyp = 0;
|
|
if ((niccy_dev = pci_find_device(PCI_VENDOR_ID_SATSAGEM,
|
|
PCI_DEVICE_ID_SATSAGEM_NICCY,
|
|
niccy_dev))) {
|
|
if (pci_enable_device(niccy_dev))
|
|
return 0;
|
|
/* get IRQ */
|
|
if (!niccy_dev->irq) {
|
|
printk(KERN_WARNING
|
|
"Niccy: No IRQ for PCI card found\n");
|
|
return 0;
|
|
}
|
|
cs->irq = niccy_dev->irq;
|
|
cs->hw.niccy.cfg_reg = pci_resource_start(niccy_dev, 0);
|
|
if (!cs->hw.niccy.cfg_reg) {
|
|
printk(KERN_WARNING
|
|
"Niccy: No IO-Adr for PCI cfg found\n");
|
|
return 0;
|
|
}
|
|
pci_ioaddr = pci_resource_start(niccy_dev, 1);
|
|
if (!pci_ioaddr) {
|
|
printk(KERN_WARNING
|
|
"Niccy: No IO-Adr for PCI card found\n");
|
|
return 0;
|
|
}
|
|
cs->subtyp = NICCY_PCI;
|
|
} else {
|
|
printk(KERN_WARNING "Niccy: No PCI card found\n");
|
|
return 0;
|
|
}
|
|
cs->irq_flags |= IRQF_SHARED;
|
|
cs->hw.niccy.isac = pci_ioaddr + ISAC_PCI_DATA;
|
|
cs->hw.niccy.isac_ale = pci_ioaddr + ISAC_PCI_ADDR;
|
|
cs->hw.niccy.hscx = pci_ioaddr + HSCX_PCI_DATA;
|
|
cs->hw.niccy.hscx_ale = pci_ioaddr + HSCX_PCI_ADDR;
|
|
if (!request_region(cs->hw.niccy.isac, 4, "niccy")) {
|
|
printk(KERN_WARNING
|
|
"HiSax: NICCY data port %x-%x already in use\n",
|
|
cs->hw.niccy.isac, cs->hw.niccy.isac + 4);
|
|
return 0;
|
|
}
|
|
if (!request_region(cs->hw.niccy.cfg_reg, 0x40, "niccy pci")) {
|
|
printk(KERN_WARNING
|
|
"HiSax: NICCY pci port %x-%x already in use\n",
|
|
cs->hw.niccy.cfg_reg,
|
|
cs->hw.niccy.cfg_reg + 0x40);
|
|
release_region(cs->hw.niccy.isac, 4);
|
|
return 0;
|
|
}
|
|
#else
|
|
printk(KERN_WARNING "Niccy: io0 0 and NO_PCI_BIOS\n");
|
|
printk(KERN_WARNING "Niccy: unable to config NICCY PCI\n");
|
|
return 0;
|
|
#endif /* CONFIG_PCI_LEGACY */
|
|
}
|
|
printk(KERN_INFO "HiSax: NICCY %s config irq:%d data:0x%X ale:0x%X\n",
|
|
(cs->subtyp == 1) ? "PnP" : "PCI",
|
|
cs->irq, cs->hw.niccy.isac, cs->hw.niccy.isac_ale);
|
|
setup_isac(cs);
|
|
cs->readisac = &ReadISAC;
|
|
cs->writeisac = &WriteISAC;
|
|
cs->readisacfifo = &ReadISACfifo;
|
|
cs->writeisacfifo = &WriteISACfifo;
|
|
cs->BC_Read_Reg = &ReadHSCX;
|
|
cs->BC_Write_Reg = &WriteHSCX;
|
|
cs->BC_Send_Data = &hscx_fill_fifo;
|
|
cs->cardmsg = &niccy_card_msg;
|
|
cs->irq_func = &niccy_interrupt;
|
|
ISACVersion(cs, "Niccy:");
|
|
if (HscxVersion(cs, "Niccy:")) {
|
|
printk(KERN_WARNING "Niccy: wrong HSCX versions check IO "
|
|
"address\n");
|
|
release_io_niccy(cs);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|