| /* $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/init.h> |
| #include "hisax.h" |
| #include "isac.h" |
| #include "hscx.h" |
| #include "isdnl1.h" |
| #include "ipac.h" |
| #include <linux/pci.h> |
| |
| static 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) |
| { |
| #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 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; |
| } |
| |
| static 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: io ports 0x%x-0x%x already in use\n", |
| adr, adr + len); |
| return 1; |
| } |
| |
| static int 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); |
| } |
| |
| #ifdef CONFIG_PCI |
| static struct pci_dev *dev_tel = NULL; |
| |
| static int 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 < 4; nbseek++) { |
| if ((dev_tel = hisax_find_pci_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; |
| case PCI_DEVICE_ID_PLX_DJINN_ITOO: |
| seekcard = PCI_DEVICE_ID_PLX_OLITEC; |
| 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 |= IRQF_SHARED; |
| |
| 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: |
| case PCI_DEVICE_ID_PLX_OLITEC: |
| 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); |
| } |
| #endif /* CONFIG_PCI */ |
| |
| int 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); |
| } |
