diva.c
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上传日期:2013-04-10
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- /* $Id: diva.c,v 1.1.4.2 2002/08/30 11:21:00 keil Exp $
- *
- * low level stuff for Eicon.Diehl Diva Family ISDN 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.
- *
- * For changes and modifications please read
- * ../../../Documentation/isdn/HiSax.cert
- *
- * Thanks to Eicon Technology for documents and information
- *
- */
- #define __NO_VERSION__
- #include <linux/init.h>
- #include <linux/config.h>
- #include "hisax.h"
- #include "isac.h"
- #include "hscx.h"
- #include "ipac.h"
- #include "ipacx.h"
- #include "isdnl1.h"
- #include <linux/pci.h>
- #include <linux/isapnp.h>
- extern const char *CardType[];
- const char *Diva_revision = "$Revision: 1.1.4.2 $";
- #define byteout(addr,val) outb(val,addr)
- #define bytein(addr) inb(addr)
- #define DIVA_HSCX_DATA 0
- #define DIVA_HSCX_ADR 4
- #define DIVA_ISA_ISAC_DATA 2
- #define DIVA_ISA_ISAC_ADR 6
- #define DIVA_ISA_CTRL 7
- #define DIVA_IPAC_ADR 0
- #define DIVA_IPAC_DATA 1
- #define DIVA_PCI_ISAC_DATA 8
- #define DIVA_PCI_ISAC_ADR 0xc
- #define DIVA_PCI_CTRL 0x10
- /* SUB Types */
- #define DIVA_ISA 1
- #define DIVA_PCI 2
- #define DIVA_IPAC_ISA 3
- #define DIVA_IPAC_PCI 4
- #define DIVA_IPACX_PCI 5
- /* CTRL (Read) */
- #define DIVA_IRQ_STAT 0x01
- #define DIVA_EEPROM_SDA 0x02
- /* CTRL (Write) */
- #define DIVA_IRQ_REQ 0x01
- #define DIVA_RESET 0x08
- #define DIVA_EEPROM_CLK 0x40
- #define DIVA_PCI_LED_A 0x10
- #define DIVA_PCI_LED_B 0x20
- #define DIVA_ISA_LED_A 0x20
- #define DIVA_ISA_LED_B 0x40
- #define DIVA_IRQ_CLR 0x80
- /* Siemens PITA */
- #define PITA_MISC_REG 0x1c
- #ifdef __BIG_ENDIAN
- #define PITA_PARA_SOFTRESET 0x00000001
- #define PITA_SER_SOFTRESET 0x00000002
- #define PITA_PARA_MPX_MODE 0x00000004
- #define PITA_INT0_ENABLE 0x00000200
- #else
- #define PITA_PARA_SOFTRESET 0x01000000
- #define PITA_SER_SOFTRESET 0x02000000
- #define PITA_PARA_MPX_MODE 0x04000000
- #define PITA_INT0_ENABLE 0x00020000
- #endif
- #define PITA_INT0_STATUS 0x02
- 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);
- }
- static inline u_char
- memreadreg(unsigned long adr, u_char off)
- {
- return(*((unsigned char *)
- (((unsigned int *)adr) + off)));
- }
- static inline void
- memwritereg(unsigned long adr, u_char off, u_char data)
- {
- register u_char *p;
-
- p = (unsigned char *)(((unsigned int *)adr) + off);
- *p = data;
- }
- /* Interface functions */
- static u_char
- ReadISAC(struct IsdnCardState *cs, u_char offset)
- {
- return(readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset));
- }
- static void
- WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
- {
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset, value);
- }
- static void
- ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
- {
- readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
- }
- static void
- WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
- {
- writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
- }
- static u_char
- ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
- {
- return (readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset+0x80));
- }
- static void
- WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
- {
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset|0x80, value);
- }
- static void
- ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
- {
- readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
- }
- static void
- WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
- {
- writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
- }
- static u_char
- ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
- {
- return(readreg(cs->hw.diva.hscx_adr,
- cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0)));
- }
- static void
- WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
- {
- writereg(cs->hw.diva.hscx_adr,
- cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0), value);
- }
- static u_char
- MemReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
- {
- return (memreadreg(cs->hw.diva.cfg_reg, offset+0x80));
- }
- static void
- MemWriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
- {
- memwritereg(cs->hw.diva.cfg_reg, offset|0x80, value);
- }
- static void
- MemReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
- {
- while(size--)
- *data++ = memreadreg(cs->hw.diva.cfg_reg, 0x80);
- }
- static void
- MemWriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
- {
- while(size--)
- memwritereg(cs->hw.diva.cfg_reg, 0x80, *data++);
- }
- static u_char
- MemReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
- {
- return(memreadreg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0)));
- }
- static void
- MemWriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
- {
- memwritereg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0), value);
- }
- /* IO-Functions for IPACX type cards */
- static u_char
- MemReadISAC_IPACX(struct IsdnCardState *cs, u_char offset)
- {
- return (memreadreg(cs->hw.diva.cfg_reg, offset));
- }
- static void
- MemWriteISAC_IPACX(struct IsdnCardState *cs, u_char offset, u_char value)
- {
- memwritereg(cs->hw.diva.cfg_reg, offset, value);
- }
- static void
- MemReadISACfifo_IPACX(struct IsdnCardState *cs, u_char * data, int size)
- {
- while(size--)
- *data++ = memreadreg(cs->hw.diva.cfg_reg, 0);
- }
- static void
- MemWriteISACfifo_IPACX(struct IsdnCardState *cs, u_char * data, int size)
- {
- while(size--)
- memwritereg(cs->hw.diva.cfg_reg, 0, *data++);
- }
- static u_char
- MemReadHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset)
- {
- return(memreadreg(cs->hw.diva.cfg_reg, offset +
- (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1)));
- }
- static void
- MemWriteHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
- {
- memwritereg(cs->hw.diva.cfg_reg, offset +
- (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1), value);
- }
- /*
- * fast interrupt HSCX stuff goes here
- */
- #define READHSCX(cs, nr, reg) readreg(cs->hw.diva.hscx_adr,
- cs->hw.diva.hscx, reg + (nr ? 0x40 : 0))
- #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.diva.hscx_adr,
- cs->hw.diva.hscx, reg + (nr ? 0x40 : 0), data)
- #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.diva.hscx_adr,
- cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
- #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.diva.hscx_adr,
- cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
- #include "hscx_irq.c"
- static void
- diva_interrupt(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char val, sval;
- int cnt=5;
- if (!cs) {
- printk(KERN_WARNING "Diva: Spurious interrupt!n");
- return;
- }
- while (((sval = bytein(cs->hw.diva.ctrl)) & DIVA_IRQ_REQ) && cnt) {
- val = readreg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_ISTA + 0x40);
- if (val)
- hscx_int_main(cs, val);
- val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA);
- if (val)
- isac_interrupt(cs, val);
- cnt--;
- }
- if (!cnt)
- printk(KERN_WARNING "Diva: IRQ LOOPn");
- writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0xFF);
- writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0xFF);
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0xFF);
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0x0);
- writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0x0);
- writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0x0);
- }
- static void
- diva_irq_ipac_isa(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char ista,val;
- int icnt=5;
- if (!cs) {
- printk(KERN_WARNING "Diva: Spurious interrupt!n");
- return;
- }
- ista = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
- Start_IPACISA:
- if (cs->debug & L1_DEB_IPAC)
- debugl1(cs, "IPAC ISTA %02X", ista);
- if (ista & 0x0f) {
- val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, 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.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA + 0x80);
- if (val) {
- isac_interrupt(cs, val);
- }
- }
- if (ista & 0x10) {
- val = 0x01;
- isac_interrupt(cs, val);
- }
- ista = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
- if ((ista & 0x3f) && icnt) {
- icnt--;
- goto Start_IPACISA;
- }
- if (!icnt)
- printk(KERN_WARNING "DIVA IPAC IRQ LOOPn");
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xFF);
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xC0);
- }
- static inline void
- MemwaitforCEC(struct IsdnCardState *cs, int hscx)
- {
- int to = 50;
- while ((MemReadHSCX(cs, hscx, HSCX_STAR) & 0x04) && to) {
- udelay(1);
- to--;
- }
- if (!to)
- printk(KERN_WARNING "HiSax: waitforCEC timeoutn");
- }
- static inline void
- MemwaitforXFW(struct IsdnCardState *cs, int hscx)
- {
- int to = 50;
- while ((!(MemReadHSCX(cs, hscx, HSCX_STAR) & 0x44) == 0x40) && to) {
- udelay(1);
- to--;
- }
- if (!to)
- printk(KERN_WARNING "HiSax: waitforXFW timeoutn");
- }
- static inline void
- MemWriteHSCXCMDR(struct IsdnCardState *cs, int hscx, u_char data)
- {
- long flags;
- save_flags(flags);
- cli();
- MemwaitforCEC(cs, hscx);
- MemWriteHSCX(cs, hscx, HSCX_CMDR, data);
- restore_flags(flags);
- }
- static void
- Memhscx_empty_fifo(struct BCState *bcs, int count)
- {
- u_char *ptr;
- struct IsdnCardState *cs = bcs->cs;
- long flags;
- int cnt;
- if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
- debugl1(cs, "hscx_empty_fifo");
- if (bcs->hw.hscx.rcvidx + count > HSCX_BUFMAX) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "hscx_empty_fifo: incoming packet too large");
- MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
- bcs->hw.hscx.rcvidx = 0;
- return;
- }
- save_flags(flags);
- cli();
- ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
- cnt = count;
- while (cnt--)
- *ptr++ = memreadreg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0);
- MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
- ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
- bcs->hw.hscx.rcvidx += count;
- restore_flags(flags);
- if (cs->debug & L1_DEB_HSCX_FIFO) {
- char *t = bcs->blog;
- t += sprintf(t, "hscx_empty_fifo %c cnt %d",
- bcs->hw.hscx.hscx ? 'B' : 'A', count);
- QuickHex(t, ptr, count);
- debugl1(cs, bcs->blog);
- }
- }
- static void
- Memhscx_fill_fifo(struct BCState *bcs)
- {
- struct IsdnCardState *cs = bcs->cs;
- int more, count, cnt;
- int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags)? 64: 32;
- u_char *ptr,*p;
- long flags;
- if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
- debugl1(cs, "hscx_fill_fifo");
- if (!bcs->tx_skb)
- return;
- if (bcs->tx_skb->len <= 0)
- return;
- more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
- if (bcs->tx_skb->len > fifo_size) {
- more = !0;
- count = fifo_size;
- } else
- count = bcs->tx_skb->len;
- cnt = count;
- MemwaitforXFW(cs, bcs->hw.hscx.hscx);
- save_flags(flags);
- cli();
- p = ptr = bcs->tx_skb->data;
- skb_pull(bcs->tx_skb, count);
- bcs->tx_cnt -= count;
- bcs->hw.hscx.count += count;
- while(cnt--)
- memwritereg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0,
- *p++);
- MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, more ? 0x8 : 0xa);
- restore_flags(flags);
- if (cs->debug & L1_DEB_HSCX_FIFO) {
- char *t = bcs->blog;
- t += sprintf(t, "hscx_fill_fifo %c cnt %d",
- bcs->hw.hscx.hscx ? 'B' : 'A', count);
- QuickHex(t, ptr, count);
- debugl1(cs, bcs->blog);
- }
- }
- static inline void
- Memhscx_interrupt(struct IsdnCardState *cs, u_char val, u_char hscx)
- {
- u_char r;
- struct BCState *bcs = cs->bcs + hscx;
- struct sk_buff *skb;
- int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags)? 64: 32;
- int count;
- if (!test_bit(BC_FLG_INIT, &bcs->Flag))
- return;
- if (val & 0x80) { /* RME */
- r = MemReadHSCX(cs, hscx, HSCX_RSTA);
- if ((r & 0xf0) != 0xa0) {
- if (!(r & 0x80))
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "HSCX invalid frame");
- if ((r & 0x40) && bcs->mode)
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "HSCX RDO mode=%d",
- bcs->mode);
- if (!(r & 0x20))
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "HSCX CRC error");
- MemWriteHSCXCMDR(cs, hscx, 0x80);
- } else {
- count = MemReadHSCX(cs, hscx, HSCX_RBCL) & (
- test_bit(HW_IPAC, &cs->HW_Flags)? 0x3f: 0x1f);
- if (count == 0)
- count = fifo_size;
- Memhscx_empty_fifo(bcs, count);
- if ((count = bcs->hw.hscx.rcvidx - 1) > 0) {
- if (cs->debug & L1_DEB_HSCX_FIFO)
- debugl1(cs, "HX Frame %d", count);
- if (!(skb = dev_alloc_skb(count)))
- printk(KERN_WARNING "HSCX: receive out of memoryn");
- else {
- memcpy(skb_put(skb, count), bcs->hw.hscx.rcvbuf, count);
- skb_queue_tail(&bcs->rqueue, skb);
- }
- }
- }
- bcs->hw.hscx.rcvidx = 0;
- hscx_sched_event(bcs, B_RCVBUFREADY);
- }
- if (val & 0x40) { /* RPF */
- Memhscx_empty_fifo(bcs, fifo_size);
- if (bcs->mode == L1_MODE_TRANS) {
- /* receive audio data */
- if (!(skb = dev_alloc_skb(fifo_size)))
- printk(KERN_WARNING "HiSax: receive out of memoryn");
- else {
- memcpy(skb_put(skb, fifo_size), bcs->hw.hscx.rcvbuf, fifo_size);
- skb_queue_tail(&bcs->rqueue, skb);
- }
- bcs->hw.hscx.rcvidx = 0;
- hscx_sched_event(bcs, B_RCVBUFREADY);
- }
- }
- if (val & 0x10) { /* XPR */
- if (bcs->tx_skb) {
- if (bcs->tx_skb->len) {
- Memhscx_fill_fifo(bcs);
- return;
- } else {
- if (bcs->st->lli.l1writewakeup &&
- (PACKET_NOACK != bcs->tx_skb->pkt_type))
- bcs->st->lli.l1writewakeup(bcs->st, bcs->hw.hscx.count);
- dev_kfree_skb_irq(bcs->tx_skb);
- bcs->hw.hscx.count = 0;
- bcs->tx_skb = NULL;
- }
- }
- if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
- bcs->hw.hscx.count = 0;
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- Memhscx_fill_fifo(bcs);
- } else {
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- hscx_sched_event(bcs, B_XMTBUFREADY);
- }
- }
- }
- static inline void
- Memhscx_int_main(struct IsdnCardState *cs, u_char val)
- {
- u_char exval;
- struct BCState *bcs;
- if (val & 0x01) { // EXB
- bcs = cs->bcs + 1;
- exval = MemReadHSCX(cs, 1, HSCX_EXIR);
- if (exval & 0x40) {
- if (bcs->mode == 1)
- Memhscx_fill_fifo(bcs);
- else {
- /* Here we lost an TX interrupt, so
- * restart transmitting the whole frame.
- */
- if (bcs->tx_skb) {
- skb_push(bcs->tx_skb, bcs->hw.hscx.count);
- bcs->tx_cnt += bcs->hw.hscx.count;
- bcs->hw.hscx.count = 0;
- }
- MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x01);
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "HSCX B EXIR %x Lost TX", exval);
- }
- } else if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "HSCX B EXIR %x", exval);
- }
- if (val & 0xf8) {
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "HSCX B interrupt %x", val);
- Memhscx_interrupt(cs, val, 1);
- }
- if (val & 0x02) { // EXA
- bcs = cs->bcs;
- exval = MemReadHSCX(cs, 0, HSCX_EXIR);
- if (exval & 0x40) {
- if (bcs->mode == L1_MODE_TRANS)
- Memhscx_fill_fifo(bcs);
- else {
- /* Here we lost an TX interrupt, so
- * restart transmitting the whole frame.
- */
- if (bcs->tx_skb) {
- skb_push(bcs->tx_skb, bcs->hw.hscx.count);
- bcs->tx_cnt += bcs->hw.hscx.count;
- bcs->hw.hscx.count = 0;
- }
- MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x01);
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "HSCX A EXIR %x Lost TX", exval);
- }
- } else if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "HSCX A EXIR %x", exval);
- }
- if (val & 0x04) { // ICA
- exval = MemReadHSCX(cs, 0, HSCX_ISTA);
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "HSCX A interrupt %x", exval);
- Memhscx_interrupt(cs, exval, 0);
- }
- }
- static void
- diva_irq_ipac_pci(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char ista,val;
- int icnt=5;
- u_char *cfg;
- if (!cs) {
- printk(KERN_WARNING "Diva: Spurious interrupt!n");
- return;
- }
- cfg = (u_char *) cs->hw.diva.pci_cfg;
- val = *cfg;
- if (!(val & PITA_INT0_STATUS))
- return; /* other shared IRQ */
- *cfg = PITA_INT0_STATUS; /* Reset pending INT0 */
- ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
- Start_IPACPCI:
- if (cs->debug & L1_DEB_IPAC)
- debugl1(cs, "IPAC ISTA %02X", ista);
- if (ista & 0x0f) {
- val = memreadreg(cs->hw.diva.cfg_reg, HSCX_ISTA + 0x40);
- if (ista & 0x01)
- val |= 0x01;
- if (ista & 0x04)
- val |= 0x02;
- if (ista & 0x08)
- val |= 0x04;
- if (val)
- Memhscx_int_main(cs, val);
- }
- if (ista & 0x20) {
- val = 0xfe & memreadreg(cs->hw.diva.cfg_reg, ISAC_ISTA + 0x80);
- if (val) {
- isac_interrupt(cs, val);
- }
- }
- if (ista & 0x10) {
- val = 0x01;
- isac_interrupt(cs, val);
- }
- ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
- if ((ista & 0x3f) && icnt) {
- icnt--;
- goto Start_IPACPCI;
- }
- if (!icnt)
- printk(KERN_WARNING "DIVA IPAC PCI IRQ LOOPn");
- memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xFF);
- memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xC0);
- }
- static void
- diva_irq_ipacx_pci(int intno, void *dev_id, struct pt_regs *regs)
- {
- struct IsdnCardState *cs = dev_id;
- u_char val;
- u_char *cfg;
- if (!cs) {
- printk(KERN_WARNING "Diva: Spurious interrupt!n");
- return;
- }
- cfg = (u_char *) cs->hw.diva.pci_cfg;
- val = *cfg;
- if (!(val &PITA_INT0_STATUS)) return; // other shared IRQ
- interrupt_ipacx(cs); // handler for chip
- *cfg = PITA_INT0_STATUS; // Reset PLX interrupt
- }
- void
- release_io_diva(struct IsdnCardState *cs)
- {
- int bytecnt;
- if ((cs->subtyp == DIVA_IPAC_PCI) ||
- (cs->subtyp == DIVA_IPACX_PCI) ) {
- u_int *cfg = (unsigned int *)cs->hw.diva.pci_cfg;
- *cfg = 0; /* disable INT0/1 */
- *cfg = 2; /* reset pending INT0 */
- iounmap((void *)cs->hw.diva.cfg_reg);
- iounmap((void *)cs->hw.diva.pci_cfg);
- return;
- } else if (cs->subtyp != DIVA_IPAC_ISA) {
- del_timer(&cs->hw.diva.tl);
- if (cs->hw.diva.cfg_reg)
- byteout(cs->hw.diva.ctrl, 0); /* LED off, Reset */
- }
- if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))
- bytecnt = 8;
- else
- bytecnt = 32;
- if (cs->hw.diva.cfg_reg) {
- release_region(cs->hw.diva.cfg_reg, bytecnt);
- }
- }
- static void
- reset_diva(struct IsdnCardState *cs)
- {
- long flags;
- save_flags(flags);
- sti();
- if (cs->subtyp == DIVA_IPAC_ISA) {
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x20);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x00);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xc0);
- } else if (cs->subtyp == DIVA_IPAC_PCI) {
- unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
- PITA_MISC_REG);
- *ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- *ireg = PITA_PARA_MPX_MODE;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xc0);
- } else if (cs->subtyp == DIVA_IPACX_PCI) {
- unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
- PITA_MISC_REG);
- *ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- *ireg = PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET;
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- MemWriteISAC_IPACX(cs, IPACX_MASK, 0xff); // Interrupts off
- } else { /* DIVA 2.0 */
- cs->hw.diva.ctrl_reg = 0; /* Reset On */
- byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- cs->hw.diva.ctrl_reg |= DIVA_RESET; /* Reset Off */
- byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout((10*HZ)/1000);
- if (cs->subtyp == DIVA_ISA)
- cs->hw.diva.ctrl_reg |= DIVA_ISA_LED_A;
- else {
- /* Workaround PCI9060 */
- byteout(cs->hw.diva.pci_cfg + 0x69, 9);
- cs->hw.diva.ctrl_reg |= DIVA_PCI_LED_A;
- }
- byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
- }
- restore_flags(flags);
- }
- #define DIVA_ASSIGN 1
- static void
- diva_led_handler(struct IsdnCardState *cs)
- {
- int blink = 0;
- if ((cs->subtyp == DIVA_IPAC_ISA) ||
- (cs->subtyp == DIVA_IPAC_PCI) ||
- (cs->subtyp == DIVA_IPACX_PCI) )
- return;
- del_timer(&cs->hw.diva.tl);
- if (cs->hw.diva.status & DIVA_ASSIGN)
- cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
- DIVA_ISA_LED_A : DIVA_PCI_LED_A;
- else {
- cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
- DIVA_ISA_LED_A : DIVA_PCI_LED_A;
- blink = 250;
- }
- if (cs->hw.diva.status & 0xf000)
- cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
- DIVA_ISA_LED_B : DIVA_PCI_LED_B;
- else if (cs->hw.diva.status & 0x0f00) {
- cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
- DIVA_ISA_LED_B : DIVA_PCI_LED_B;
- blink = 500;
- } else
- cs->hw.diva.ctrl_reg &= ~((DIVA_ISA == cs->subtyp) ?
- DIVA_ISA_LED_B : DIVA_PCI_LED_B);
- byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
- if (blink) {
- init_timer(&cs->hw.diva.tl);
- cs->hw.diva.tl.expires = jiffies + ((blink * HZ) / 1000);
- add_timer(&cs->hw.diva.tl);
- }
- }
- static int
- Diva_card_msg(struct IsdnCardState *cs, int mt, void *arg)
- {
- u_int *ireg;
- switch (mt) {
- case CARD_RESET:
- reset_diva(cs);
- return(0);
- case CARD_RELEASE:
- release_io_diva(cs);
- return(0);
- case CARD_INIT:
- if (cs->subtyp == DIVA_IPACX_PCI) {
- ireg = (unsigned int *)cs->hw.diva.pci_cfg;
- *ireg = PITA_INT0_ENABLE;
- init_ipacx(cs, 3); // init chip and enable interrupts
- return (0);
- }
- if (cs->subtyp == DIVA_IPAC_PCI) {
- ireg = (unsigned int *)cs->hw.diva.pci_cfg;
- *ireg = PITA_INT0_ENABLE;
- }
- inithscxisac(cs, 3);
- return(0);
- case CARD_TEST:
- return(0);
- case (MDL_REMOVE | REQUEST):
- cs->hw.diva.status = 0;
- break;
- case (MDL_ASSIGN | REQUEST):
- cs->hw.diva.status |= DIVA_ASSIGN;
- break;
- case MDL_INFO_SETUP:
- if ((long)arg)
- cs->hw.diva.status |= 0x0200;
- else
- cs->hw.diva.status |= 0x0100;
- break;
- case MDL_INFO_CONN:
- if ((long)arg)
- cs->hw.diva.status |= 0x2000;
- else
- cs->hw.diva.status |= 0x1000;
- break;
- case MDL_INFO_REL:
- if ((long)arg) {
- cs->hw.diva.status &= ~0x2000;
- cs->hw.diva.status &= ~0x0200;
- } else {
- cs->hw.diva.status &= ~0x1000;
- cs->hw.diva.status &= ~0x0100;
- }
- break;
- }
- if ((cs->subtyp != DIVA_IPAC_ISA) &&
- (cs->subtyp != DIVA_IPAC_PCI) &&
- (cs->subtyp != DIVA_IPACX_PCI) )
- diva_led_handler(cs);
- return(0);
- }
- static struct pci_dev *dev_diva __initdata = NULL;
- static struct pci_dev *dev_diva_u __initdata = NULL;
- static struct pci_dev *dev_diva201 __initdata = NULL;
- static struct pci_dev *dev_diva202 __initdata = NULL;
- #ifdef __ISAPNP__
- static struct isapnp_device_id diva_ids[] __initdata = {
- { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
- ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
- (unsigned long) "Diva picola" },
- { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
- ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x51),
- (unsigned long) "Diva picola" },
- { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
- ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
- (unsigned long) "Diva 2.0" },
- { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
- ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x71),
- (unsigned long) "Diva 2.0" },
- { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
- ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
- (unsigned long) "Diva 2.01" },
- { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
- ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0xA1),
- (unsigned long) "Diva 2.01" },
- { 0, }
- };
- static struct isapnp_device_id *pdev = &diva_ids[0];
- static struct pci_bus *pnp_c __devinitdata = NULL;
- #endif
- int __init
- setup_diva(struct IsdnCard *card)
- {
- int bytecnt = 8;
- u_char val;
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
- strcpy(tmp, Diva_revision);
- printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %sn", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_DIEHLDIVA)
- return(0);
- cs->hw.diva.status = 0;
- if (card->para[1]) {
- cs->hw.diva.ctrl_reg = 0;
- cs->hw.diva.cfg_reg = card->para[1];
- val = readreg(cs->hw.diva.cfg_reg + DIVA_IPAC_ADR,
- cs->hw.diva.cfg_reg + DIVA_IPAC_DATA, IPAC_ID);
- printk(KERN_INFO "Diva: IPAC version %xn", val);
- if ((val == 1) || (val==2)) {
- cs->subtyp = DIVA_IPAC_ISA;
- cs->hw.diva.ctrl = 0;
- cs->hw.diva.isac = card->para[1] + DIVA_IPAC_DATA;
- cs->hw.diva.hscx = card->para[1] + DIVA_IPAC_DATA;
- cs->hw.diva.isac_adr = card->para[1] + DIVA_IPAC_ADR;
- cs->hw.diva.hscx_adr = card->para[1] + DIVA_IPAC_ADR;
- test_and_set_bit(HW_IPAC, &cs->HW_Flags);
- } else {
- cs->subtyp = DIVA_ISA;
- cs->hw.diva.ctrl = card->para[1] + DIVA_ISA_CTRL;
- cs->hw.diva.isac = card->para[1] + DIVA_ISA_ISAC_DATA;
- cs->hw.diva.hscx = card->para[1] + DIVA_HSCX_DATA;
- cs->hw.diva.isac_adr = card->para[1] + DIVA_ISA_ISAC_ADR;
- cs->hw.diva.hscx_adr = card->para[1] + DIVA_HSCX_ADR;
- }
- cs->irq = card->para[0];
- } else {
- #ifdef __ISAPNP__
- if (isapnp_present()) {
- struct pci_bus *pb;
- struct pci_dev *pd;
- while(pdev->card_vendor) {
- if ((pb = isapnp_find_card(pdev->card_vendor,
- pdev->card_device, pnp_c))) {
- pnp_c = pb;
- pd = NULL;
- if ((pd = isapnp_find_dev(pnp_c,
- pdev->vendor, pdev->function, pd))) {
- printk(KERN_INFO "HiSax: %s detectedn",
- (char *)pdev->driver_data);
- pd->prepare(pd);
- pd->deactivate(pd);
- pd->activate(pd);
- card->para[1] =
- pd->resource[0].start;
- card->para[0] =
- pd->irq_resource[0].start;
- if (!card->para[0] || !card->para[1]) {
- printk(KERN_ERR "Diva PnP:some resources are missing %ld/%lxn",
- card->para[0], card->para[1]);
- pd->deactivate(pd);
- return(0);
- }
- cs->hw.diva.cfg_reg = card->para[1];
- cs->irq = card->para[0];
- if (pdev->function == ISAPNP_FUNCTION(0xA1)) {
- cs->subtyp = DIVA_IPAC_ISA;
- cs->hw.diva.ctrl = 0;
- cs->hw.diva.isac =
- card->para[1] + DIVA_IPAC_DATA;
- cs->hw.diva.hscx =
- card->para[1] + DIVA_IPAC_DATA;
- cs->hw.diva.isac_adr =
- card->para[1] + DIVA_IPAC_ADR;
- cs->hw.diva.hscx_adr =
- card->para[1] + DIVA_IPAC_ADR;
- test_and_set_bit(HW_IPAC, &cs->HW_Flags);
- } else {
- cs->subtyp = DIVA_ISA;
- cs->hw.diva.ctrl =
- card->para[1] + DIVA_ISA_CTRL;
- cs->hw.diva.isac =
- card->para[1] + DIVA_ISA_ISAC_DATA;
- cs->hw.diva.hscx =
- card->para[1] + DIVA_HSCX_DATA;
- cs->hw.diva.isac_adr =
- card->para[1] + DIVA_ISA_ISAC_ADR;
- cs->hw.diva.hscx_adr =
- card->para[1] + DIVA_HSCX_ADR;
- }
- goto ready;
- } else {
- printk(KERN_ERR "Diva PnP: PnP error card found, no devicen");
- return(0);
- }
- }
- pdev++;
- pnp_c=NULL;
- }
- if (!pdev->card_vendor) {
- printk(KERN_INFO "Diva PnP: no ISAPnP card foundn");
- }
- }
- #endif
- #if CONFIG_PCI
- if (!pci_present()) {
- printk(KERN_ERR "Diva: no PCI bus presentn");
- return(0);
- }
- cs->subtyp = 0;
- if ((dev_diva = pci_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_DIVA20, dev_diva))) {
- if (pci_enable_device(dev_diva))
- return(0);
- cs->subtyp = DIVA_PCI;
- cs->irq = dev_diva->irq;
- cs->hw.diva.cfg_reg = pci_resource_start(dev_diva, 2);
- } else if ((dev_diva_u = pci_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_DIVA20_U, dev_diva_u))) {
- if (pci_enable_device(dev_diva_u))
- return(0);
- cs->subtyp = DIVA_PCI;
- cs->irq = dev_diva_u->irq;
- cs->hw.diva.cfg_reg = pci_resource_start(dev_diva_u, 2);
- } else if ((dev_diva201 = pci_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_DIVA201, dev_diva201))) {
- if (pci_enable_device(dev_diva201))
- return(0);
- cs->subtyp = DIVA_IPAC_PCI;
- cs->irq = dev_diva201->irq;
- cs->hw.diva.pci_cfg =
- (ulong) ioremap(pci_resource_start(dev_diva201, 0), 4096);
- cs->hw.diva.cfg_reg =
- (ulong) ioremap(pci_resource_start(dev_diva201, 1), 4096);
- } else if ((dev_diva202 = pci_find_device(PCI_VENDOR_ID_EICON,
- PCI_DEVICE_ID_EICON_DIVA202, dev_diva202))) {
- if (pci_enable_device(dev_diva202))
- return(0);
- cs->subtyp = DIVA_IPACX_PCI;
- cs->irq = dev_diva202->irq;
- cs->hw.diva.pci_cfg =
- (ulong) ioremap(pci_resource_start(dev_diva202, 0), 4096);
- cs->hw.diva.cfg_reg =
- (ulong) ioremap(pci_resource_start(dev_diva202, 1), 4096);
- } else {
- printk(KERN_WARNING "Diva: No PCI card foundn");
- return(0);
- }
- if (!cs->irq) {
- printk(KERN_WARNING "Diva: No IRQ for PCI card foundn");
- return(0);
- }
- if (!cs->hw.diva.cfg_reg) {
- printk(KERN_WARNING "Diva: No IO-Adr for PCI card foundn");
- return(0);
- }
- cs->irq_flags |= SA_SHIRQ;
- #else
- printk(KERN_WARNING "Diva: cfgreg 0 and NO_PCI_BIOSn");
- printk(KERN_WARNING "Diva: unable to config DIVA PCIn");
- return (0);
- #endif /* CONFIG_PCI */
- if ((cs->subtyp == DIVA_IPAC_PCI) ||
- (cs->subtyp == DIVA_IPACX_PCI) ) {
- cs->hw.diva.ctrl = 0;
- cs->hw.diva.isac = 0;
- cs->hw.diva.hscx = 0;
- cs->hw.diva.isac_adr = 0;
- cs->hw.diva.hscx_adr = 0;
- test_and_set_bit(HW_IPAC, &cs->HW_Flags);
- bytecnt = 0;
- } else {
- cs->hw.diva.ctrl = cs->hw.diva.cfg_reg + DIVA_PCI_CTRL;
- cs->hw.diva.isac = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_DATA;
- cs->hw.diva.hscx = cs->hw.diva.cfg_reg + DIVA_HSCX_DATA;
- cs->hw.diva.isac_adr = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_ADR;
- cs->hw.diva.hscx_adr = cs->hw.diva.cfg_reg + DIVA_HSCX_ADR;
- bytecnt = 32;
- }
- }
- ready:
- printk(KERN_INFO
- "Diva: %s card configured at %#lx IRQ %dn",
- (cs->subtyp == DIVA_PCI) ? "PCI" :
- (cs->subtyp == DIVA_ISA) ? "ISA" :
- (cs->subtyp == DIVA_IPAC_ISA) ? "IPAC ISA" :
- (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
- cs->hw.diva.cfg_reg, cs->irq);
- if ((cs->subtyp == DIVA_IPAC_PCI) ||
- (cs->subtyp == DIVA_IPACX_PCI) ||
- (cs->subtyp == DIVA_PCI) )
- printk(KERN_INFO "Diva: %s space at %#lxn",
- (cs->subtyp == DIVA_PCI) ? "PCI" :
- (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
- cs->hw.diva.pci_cfg);
- if ((cs->subtyp != DIVA_IPAC_PCI) &&
- (cs->subtyp != DIVA_IPACX_PCI) ) {
- if (check_region(cs->hw.diva.cfg_reg, bytecnt)) {
- printk(KERN_WARNING
- "HiSax: %s config port %lx-%lx already in usen",
- CardType[card->typ],
- cs->hw.diva.cfg_reg,
- cs->hw.diva.cfg_reg + bytecnt);
- return (0);
- } else {
- request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn");
- }
- }
- reset_diva(cs);
- cs->BC_Read_Reg = &ReadHSCX;
- cs->BC_Write_Reg = &WriteHSCX;
- cs->BC_Send_Data = &hscx_fill_fifo;
- cs->cardmsg = &Diva_card_msg;
- if (cs->subtyp == DIVA_IPAC_ISA) {
- cs->readisac = &ReadISAC_IPAC;
- cs->writeisac = &WriteISAC_IPAC;
- cs->readisacfifo = &ReadISACfifo_IPAC;
- cs->writeisacfifo = &WriteISACfifo_IPAC;
- cs->irq_func = &diva_irq_ipac_isa;
- val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ID);
- printk(KERN_INFO "Diva: IPAC version %xn", val);
- } else if (cs->subtyp == DIVA_IPAC_PCI) {
- cs->readisac = &MemReadISAC_IPAC;
- cs->writeisac = &MemWriteISAC_IPAC;
- cs->readisacfifo = &MemReadISACfifo_IPAC;
- cs->writeisacfifo = &MemWriteISACfifo_IPAC;
- cs->BC_Read_Reg = &MemReadHSCX;
- cs->BC_Write_Reg = &MemWriteHSCX;
- cs->BC_Send_Data = &Memhscx_fill_fifo;
- cs->irq_func = &diva_irq_ipac_pci;
- val = memreadreg(cs->hw.diva.cfg_reg, IPAC_ID);
- printk(KERN_INFO "Diva: IPAC version %xn", val);
- } else if (cs->subtyp == DIVA_IPACX_PCI) {
- cs->readisac = &MemReadISAC_IPACX;
- cs->writeisac = &MemWriteISAC_IPACX;
- cs->readisacfifo = &MemReadISACfifo_IPACX;
- cs->writeisacfifo = &MemWriteISACfifo_IPACX;
- cs->BC_Read_Reg = &MemReadHSCX_IPACX;
- cs->BC_Write_Reg = &MemWriteHSCX_IPACX;
- cs->BC_Send_Data = 0; // function located in ipacx module
- cs->irq_func = &diva_irq_ipacx_pci;
- printk(KERN_INFO "Diva: IPACX Design Id: %xn",
- MemReadISAC_IPACX(cs, IPACX_ID) &0x3F);
- } else { /* DIVA 2.0 */
- cs->hw.diva.tl.function = (void *) diva_led_handler;
- cs->hw.diva.tl.data = (long) cs;
- init_timer(&cs->hw.diva.tl);
- cs->readisac = &ReadISAC;
- cs->writeisac = &WriteISAC;
- cs->readisacfifo = &ReadISACfifo;
- cs->writeisacfifo = &WriteISACfifo;
- cs->irq_func = &diva_interrupt;
- ISACVersion(cs, "Diva:");
- if (HscxVersion(cs, "Diva:")) {
- printk(KERN_WARNING
- "Diva: wrong HSCX versions check IO addressn");
- release_io_diva(cs);
- return (0);
- }
- }
- return (1);
- }