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path: root/drivers/isdn/hisax/gazel.c
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Diffstat (limited to 'drivers/isdn/hisax/gazel.c')
-rw-r--r--drivers/isdn/hisax/gazel.c684
1 files changed, 684 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/gazel.c b/drivers/isdn/hisax/gazel.c
new file mode 100644
index 000000000000..24a05a43f33e
--- /dev/null
+++ b/drivers/isdn/hisax/gazel.c
@@ -0,0 +1,684 @@
+/* $Id: gazel.c,v 2.19.2.4 2004/01/14 16:04:48 keil Exp $
+ *
+ * low level stuff for Gazel isdn cards
+ *
+ * Author BeWan Systems
+ * based on source code from Karsten Keil
+ * Copyright by BeWan Systems
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include "hisax.h"
+#include "isac.h"
+#include "hscx.h"
+#include "isdnl1.h"
+#include "ipac.h"
+#include <linux/pci.h>
+
+extern const char *CardType[];
+const char *gazel_revision = "$Revision: 2.19.2.4 $";
+
+#define R647 1
+#define R685 2
+#define R753 3
+#define R742 4
+
+#define PLX_CNTRL 0x50 /* registre de controle PLX */
+#define RESET_GAZEL 0x4
+#define RESET_9050 0x40000000
+#define PLX_INCSR 0x4C /* registre d'IT du 9050 */
+#define INT_ISAC_EN 0x8 /* 1 = enable IT isac */
+#define INT_ISAC 0x20 /* 1 = IT isac en cours */
+#define INT_HSCX_EN 0x1 /* 1 = enable IT hscx */
+#define INT_HSCX 0x4 /* 1 = IT hscx en cours */
+#define INT_PCI_EN 0x40 /* 1 = enable IT PCI */
+#define INT_IPAC_EN 0x3 /* enable IT ipac */
+
+
+#define byteout(addr,val) outb(val,addr)
+#define bytein(addr) inb(addr)
+
+static inline u_char
+readreg(unsigned int adr, u_short off)
+{
+ return bytein(adr + off);
+}
+
+static inline void
+writereg(unsigned int adr, u_short off, u_char data)
+{
+ byteout(adr + off, data);
+}
+
+
+static inline void
+read_fifo(unsigned int adr, u_char * data, int size)
+{
+ insb(adr, data, size);
+}
+
+static void
+write_fifo(unsigned int adr, u_char * data, int size)
+{
+ outsb(adr, data, size);
+}
+
+static inline u_char
+readreg_ipac(unsigned int adr, u_short off)
+{
+ register u_char ret;
+
+ byteout(adr, off);
+ ret = bytein(adr + 4);
+ return ret;
+}
+
+static inline void
+writereg_ipac(unsigned int adr, u_short off, u_char data)
+{
+ byteout(adr, off);
+ byteout(adr + 4, data);
+}
+
+
+static inline void
+read_fifo_ipac(unsigned int adr, u_short off, u_char * data, int size)
+{
+ byteout(adr, off);
+ insb(adr + 4, data, size);
+}
+
+static void
+write_fifo_ipac(unsigned int adr, u_short off, u_char * data, int size)
+{
+ byteout(adr, off);
+ outsb(adr + 4, data, size);
+}
+
+/* Interface functions */
+
+static u_char
+ReadISAC(struct IsdnCardState *cs, u_char offset)
+{
+ u_short off2 = offset;
+
+ switch (cs->subtyp) {
+ case R647:
+ off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
+ case R685:
+ return (readreg(cs->hw.gazel.isac, off2));
+ case R753:
+ case R742:
+ return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2));
+ }
+ return 0;
+}
+
+static void
+WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
+{
+ u_short off2 = offset;
+
+ switch (cs->subtyp) {
+ case R647:
+ off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
+ case R685:
+ writereg(cs->hw.gazel.isac, off2, value);
+ break;
+ case R753:
+ case R742:
+ writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value);
+ break;
+ }
+}
+
+static void
+ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
+{
+ switch (cs->subtyp) {
+ case R647:
+ case R685:
+ read_fifo(cs->hw.gazel.isacfifo, data, size);
+ break;
+ case R753:
+ case R742:
+ read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
+ break;
+ }
+}
+
+static void
+WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
+{
+ switch (cs->subtyp) {
+ case R647:
+ case R685:
+ write_fifo(cs->hw.gazel.isacfifo, data, size);
+ break;
+ case R753:
+ case R742:
+ write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
+ break;
+ }
+}
+
+static void
+ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size)
+{
+ switch (cs->subtyp) {
+ case R647:
+ case R685:
+ read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
+ break;
+ case R753:
+ case R742:
+ read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
+ break;
+ }
+}
+
+static void
+WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size)
+{
+ switch (cs->subtyp) {
+ case R647:
+ case R685:
+ write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
+ break;
+ case R753:
+ case R742:
+ write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
+ break;
+ }
+}
+
+static u_char
+ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
+{
+ u_short off2 = offset;
+
+ switch (cs->subtyp) {
+ case R647:
+ off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
+ case R685:
+ return (readreg(cs->hw.gazel.hscx[hscx], off2));
+ case R753:
+ case R742:
+ return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2));
+ }
+ return 0;
+}
+
+static void
+WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
+{
+ u_short off2 = offset;
+
+ switch (cs->subtyp) {
+ case R647:
+ off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
+ case R685:
+ writereg(cs->hw.gazel.hscx[hscx], off2, value);
+ break;
+ case R753:
+ case R742:
+ writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value);
+ break;
+ }
+}
+
+/*
+ * fast interrupt HSCX stuff goes here
+ */
+
+#define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)
+#define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)
+#define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)
+#define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)
+
+#include "hscx_irq.c"
+
+static irqreturn_t
+gazel_interrupt(int intno, void *dev_id, struct pt_regs *regs)
+{
+#define MAXCOUNT 5
+ struct IsdnCardState *cs = dev_id;
+ u_char valisac, valhscx;
+ int count = 0;
+ u_long flags;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ do {
+ valhscx = ReadHSCX(cs, 1, HSCX_ISTA);
+ if (valhscx)
+ hscx_int_main(cs, valhscx);
+ valisac = ReadISAC(cs, ISAC_ISTA);
+ if (valisac)
+ isac_interrupt(cs, valisac);
+ count++;
+ } while ((valhscx || valisac) && (count < MAXCOUNT));
+
+ WriteHSCX(cs, 0, HSCX_MASK, 0xFF);
+ WriteHSCX(cs, 1, HSCX_MASK, 0xFF);
+ WriteISAC(cs, ISAC_MASK, 0xFF);
+ WriteISAC(cs, ISAC_MASK, 0x0);
+ WriteHSCX(cs, 0, HSCX_MASK, 0x0);
+ WriteHSCX(cs, 1, HSCX_MASK, 0x0);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+
+
+static irqreturn_t
+gazel_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
+{
+ struct IsdnCardState *cs = dev_id;
+ u_char ista, val;
+ int count = 0;
+ u_long flags;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ ista = ReadISAC(cs, IPAC_ISTA - 0x80);
+ do {
+ if (ista & 0x0f) {
+ val = ReadHSCX(cs, 1, HSCX_ISTA);
+ 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 & ReadISAC(cs, ISAC_ISTA);
+ if (val) {
+ isac_interrupt(cs, val);
+ }
+ }
+ if (ista & 0x10) {
+ val = 0x01;
+ isac_interrupt(cs, val);
+ }
+ ista = ReadISAC(cs, IPAC_ISTA - 0x80);
+ count++;
+ }
+ while ((ista & 0x3f) && (count < MAXCOUNT));
+
+ WriteISAC(cs, IPAC_MASK - 0x80, 0xFF);
+ WriteISAC(cs, IPAC_MASK - 0x80, 0xC0);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+void
+release_io_gazel(struct IsdnCardState *cs)
+{
+ unsigned int i;
+
+ switch (cs->subtyp) {
+ case R647:
+ for (i = 0x0000; i < 0xC000; i += 0x1000)
+ release_region(i + cs->hw.gazel.hscx[0], 16);
+ release_region(0xC000 + cs->hw.gazel.hscx[0], 1);
+ break;
+
+ case R685:
+ release_region(cs->hw.gazel.hscx[0], 0x100);
+ release_region(cs->hw.gazel.cfg_reg, 0x80);
+ break;
+
+ case R753:
+ release_region(cs->hw.gazel.ipac, 0x8);
+ release_region(cs->hw.gazel.cfg_reg, 0x80);
+ break;
+
+ case R742:
+ release_region(cs->hw.gazel.ipac, 8);
+ break;
+ }
+}
+
+static int
+reset_gazel(struct IsdnCardState *cs)
+{
+ unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg;
+
+ switch (cs->subtyp) {
+ case R647:
+ writereg(addr, 0, 0);
+ HZDELAY(10);
+ writereg(addr, 0, 1);
+ HZDELAY(2);
+ break;
+ case R685:
+ plxcntrl = inl(addr + PLX_CNTRL);
+ plxcntrl |= (RESET_9050 + RESET_GAZEL);
+ outl(plxcntrl, addr + PLX_CNTRL);
+ plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
+ HZDELAY(4);
+ outl(plxcntrl, addr + PLX_CNTRL);
+ HZDELAY(10);
+ outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR);
+ break;
+ case R753:
+ plxcntrl = inl(addr + PLX_CNTRL);
+ plxcntrl |= (RESET_9050 + RESET_GAZEL);
+ outl(plxcntrl, addr + PLX_CNTRL);
+ plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
+ WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
+ HZDELAY(4);
+ outl(plxcntrl, addr + PLX_CNTRL);
+ HZDELAY(10);
+ WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
+ WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
+ WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
+ WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
+ WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
+ outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR);
+ WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
+ break;
+ case R742:
+ WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
+ HZDELAY(4);
+ WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
+ WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
+ WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
+ WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
+ WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
+ WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
+ break;
+ }
+ return (0);
+}
+
+static int
+Gazel_card_msg(struct IsdnCardState *cs, int mt, void *arg)
+{
+ u_long flags;
+
+ switch (mt) {
+ case CARD_RESET:
+ spin_lock_irqsave(&cs->lock, flags);
+ reset_gazel(cs);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ case CARD_RELEASE:
+ release_io_gazel(cs);
+ return (0);
+ case CARD_INIT:
+ spin_lock_irqsave(&cs->lock, flags);
+ inithscxisac(cs, 1);
+ if ((cs->subtyp==R647)||(cs->subtyp==R685)) {
+ int i;
+ for (i=0;i<(2+MAX_WAITING_CALLS);i++) {
+ cs->bcs[i].hw.hscx.tsaxr0 = 0x1f;
+ cs->bcs[i].hw.hscx.tsaxr1 = 0x23;
+ }
+ }
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ case CARD_TEST:
+ return (0);
+ }
+ return (0);
+}
+
+static int
+reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs)
+{
+ unsigned int i, j, base = 0, adr = 0, len = 0;
+
+ switch (cs->subtyp) {
+ case R647:
+ base = cs->hw.gazel.hscx[0];
+ if (!request_region(adr = (0xC000 + base), len = 1, "gazel"))
+ goto error;
+ for (i = 0x0000; i < 0xC000; i += 0x1000) {
+ if (!request_region(adr = (i + base), len = 16, "gazel"))
+ goto error;
+ }
+ if (i != 0xC000) {
+ for (j = 0; j < i; j+= 0x1000)
+ release_region(j + base, 16);
+ release_region(0xC000 + base, 1);
+ goto error;
+ }
+ break;
+
+ case R685:
+ if (!request_region(adr = cs->hw.gazel.hscx[0], len = 0x100, "gazel"))
+ goto error;
+ if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
+ release_region(cs->hw.gazel.hscx[0],0x100);
+ goto error;
+ }
+ break;
+
+ case R753:
+ if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
+ goto error;
+ if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
+ release_region(cs->hw.gazel.ipac, 8);
+ goto error;
+ }
+ break;
+
+ case R742:
+ if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
+ goto error;
+ break;
+ }
+
+ return 0;
+
+ error:
+ printk(KERN_WARNING "Gazel: %s io ports 0x%x-0x%x already in use\n",
+ CardType[cs->typ], adr, adr + len);
+ return 1;
+}
+
+static int __init
+setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs)
+{
+ printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n");
+ // we got an irq parameter, assume it is an ISA card
+ // R742 decodes address even in not started...
+ // R647 returns FF if not present or not started
+ // eventually needs improvment
+ if (readreg_ipac(card->para[1], IPAC_ID) == 1)
+ cs->subtyp = R742;
+ else
+ cs->subtyp = R647;
+
+ setup_isac(cs);
+ cs->hw.gazel.cfg_reg = card->para[1] + 0xC000;
+ cs->hw.gazel.ipac = card->para[1];
+ cs->hw.gazel.isac = card->para[1] + 0x8000;
+ cs->hw.gazel.hscx[0] = card->para[1];
+ cs->hw.gazel.hscx[1] = card->para[1] + 0x4000;
+ cs->irq = card->para[0];
+ cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
+ cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
+ cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
+
+ switch (cs->subtyp) {
+ case R647:
+ printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n");
+ cs->dc.isac.adf2 = 0x87;
+ printk(KERN_INFO
+ "Gazel: config irq:%d isac:0x%X cfg:0x%X\n",
+ cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
+ printk(KERN_INFO
+ "Gazel: hscx A:0x%X hscx B:0x%X\n",
+ cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
+
+ break;
+ case R742:
+ printk(KERN_INFO "Gazel: Card ISA R742 found\n");
+ test_and_set_bit(HW_IPAC, &cs->HW_Flags);
+ printk(KERN_INFO
+ "Gazel: config irq:%d ipac:0x%X\n",
+ cs->irq, cs->hw.gazel.ipac);
+ break;
+ }
+
+ return (0);
+}
+
+static struct pci_dev *dev_tel __initdata = NULL;
+
+static int __init
+setup_gazelpci(struct IsdnCardState *cs)
+{
+ u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0;
+ u_char pci_irq = 0, found;
+ u_int nbseek, seekcard;
+
+ printk(KERN_WARNING "Gazel: PCI card automatic recognition\n");
+
+ found = 0;
+ seekcard = PCI_DEVICE_ID_PLX_R685;
+ for (nbseek = 0; nbseek < 3; nbseek++) {
+ if ((dev_tel = pci_find_device(PCI_VENDOR_ID_PLX, seekcard, dev_tel))) {
+ if (pci_enable_device(dev_tel))
+ return 1;
+ pci_irq = dev_tel->irq;
+ pci_ioaddr0 = pci_resource_start(dev_tel, 1);
+ pci_ioaddr1 = pci_resource_start(dev_tel, 2);
+ found = 1;
+ }
+ if (found)
+ break;
+ else {
+ switch (seekcard) {
+ case PCI_DEVICE_ID_PLX_R685:
+ seekcard = PCI_DEVICE_ID_PLX_R753;
+ break;
+ case PCI_DEVICE_ID_PLX_R753:
+ seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO;
+ break;
+ }
+ }
+ }
+ if (!found) {
+ printk(KERN_WARNING "Gazel: No PCI card found\n");
+ return (1);
+ }
+ if (!pci_irq) {
+ printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n");
+ return 1;
+ }
+ cs->hw.gazel.pciaddr[0] = pci_ioaddr0;
+ cs->hw.gazel.pciaddr[1] = pci_ioaddr1;
+ setup_isac(cs);
+ pci_ioaddr1 &= 0xfffe;
+ cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe;
+ cs->hw.gazel.ipac = pci_ioaddr1;
+ cs->hw.gazel.isac = pci_ioaddr1 + 0x80;
+ cs->hw.gazel.hscx[0] = pci_ioaddr1;
+ cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40;
+ cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
+ cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
+ cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
+ cs->irq = pci_irq;
+ cs->irq_flags |= SA_SHIRQ;
+
+ switch (seekcard) {
+ case PCI_DEVICE_ID_PLX_R685:
+ printk(KERN_INFO "Gazel: Card PCI R685 found\n");
+ cs->subtyp = R685;
+ cs->dc.isac.adf2 = 0x87;
+ printk(KERN_INFO
+ "Gazel: config irq:%d isac:0x%X cfg:0x%X\n",
+ cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
+ printk(KERN_INFO
+ "Gazel: hscx A:0x%X hscx B:0x%X\n",
+ cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
+ break;
+ case PCI_DEVICE_ID_PLX_R753:
+ case PCI_DEVICE_ID_PLX_DJINN_ITOO:
+ printk(KERN_INFO "Gazel: Card PCI R753 found\n");
+ cs->subtyp = R753;
+ test_and_set_bit(HW_IPAC, &cs->HW_Flags);
+ printk(KERN_INFO
+ "Gazel: config irq:%d ipac:0x%X cfg:0x%X\n",
+ cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg);
+ break;
+ }
+
+ return (0);
+}
+
+int __init
+setup_gazel(struct IsdnCard *card)
+{
+ struct IsdnCardState *cs = card->cs;
+ char tmp[64];
+ u_char val;
+
+ strcpy(tmp, gazel_revision);
+ printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp));
+
+ if (cs->typ != ISDN_CTYPE_GAZEL)
+ return (0);
+
+ if (card->para[0]) {
+ if (setup_gazelisa(card, cs))
+ return (0);
+ } else {
+
+#ifdef CONFIG_PCI
+ if (setup_gazelpci(cs))
+ return (0);
+#else
+ printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n");
+ return (0);
+#endif /* CONFIG_PCI */
+ }
+
+ if (reserve_regions(card, cs)) {
+ return (0);
+ }
+ if (reset_gazel(cs)) {
+ printk(KERN_WARNING "Gazel: wrong IRQ\n");
+ release_io_gazel(cs);
+ return (0);
+ }
+ 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 = &Gazel_card_msg;
+
+ switch (cs->subtyp) {
+ case R647:
+ case R685:
+ cs->irq_func = &gazel_interrupt;
+ ISACVersion(cs, "Gazel:");
+ if (HscxVersion(cs, "Gazel:")) {
+ printk(KERN_WARNING
+ "Gazel: wrong HSCX versions check IO address\n");
+ release_io_gazel(cs);
+ return (0);
+ }
+ break;
+ case R742:
+ case R753:
+ cs->irq_func = &gazel_interrupt_ipac;
+ val = ReadISAC(cs, IPAC_ID - 0x80);
+ printk(KERN_INFO "Gazel: IPAC version %x\n", val);
+ break;
+ }
+
+ return (1);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 18:02:51 +0100