--- /dev/null
+/* $Id: diva.c,v 1.33.2.6 2004/02/11 13:21:33 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
+ *
+ */
+
+#include <linux/init.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>
+
+static const char *Diva_revision = "$Revision: 1.33.2.6 $";
+
+#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;
+
+ 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);
+}
+
+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 irqreturn_t
+diva_interrupt(int intno, void *dev_id)
+{
+ struct IsdnCardState *cs = dev_id;
+ u_char val, sval;
+ u_long flags;
+ int cnt = 5;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ 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 LOOP\n");
+ 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);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+diva_irq_ipac_isa(int intno, void *dev_id)
+{
+ struct IsdnCardState *cs = dev_id;
+ u_char ista, val;
+ u_long flags;
+ int icnt = 5;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ 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 LOOP\n");
+ 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);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+
+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 timeout\n");
+}
+
+
+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 timeout\n");
+}
+
+static inline void
+MemWriteHSCXCMDR(struct IsdnCardState *cs, int hscx, u_char data)
+{
+ MemwaitforCEC(cs, hscx);
+ MemWriteHSCX(cs, hscx, HSCX_CMDR, data);
+}
+
+static void
+Memhscx_empty_fifo(struct BCState *bcs, int count)
+{
+ u_char *ptr;
+ struct IsdnCardState *cs = bcs->cs;
+ 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;
+ }
+ 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;
+ 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, "%s", 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;
+
+ 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);
+ 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);
+ 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, "%s", bcs->blog);
+ }
+}
+
+static 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 memory\n");
+ else {
+ memcpy(skb_put(skb, count), bcs->hw.hscx.rcvbuf, count);
+ skb_queue_tail(&bcs->rqueue, skb);
+ }
+ }
+ }
+ bcs->hw.hscx.rcvidx = 0;
+ schedule_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 memory\n");
+ else {
+ memcpy(skb_put(skb, fifo_size), bcs->hw.hscx.rcvbuf, fifo_size);
+ skb_queue_tail(&bcs->rqueue, skb);
+ }
+ bcs->hw.hscx.rcvidx = 0;
+ schedule_event(bcs, B_RCVBUFREADY);
+ }
+ }
+ if (val & 0x10) { /* XPR */
+ if (bcs->tx_skb) {
+ if (bcs->tx_skb->len) {
+ Memhscx_fill_fifo(bcs);
+ return;
+ } else {
+ if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) &&
+ (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
+ u_long flags;
+ spin_lock_irqsave(&bcs->aclock, flags);
+ bcs->ackcnt += bcs->hw.hscx.count;
+ spin_unlock_irqrestore(&bcs->aclock, flags);
+ schedule_event(bcs, B_ACKPENDING);
+ }
+ 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);
+ schedule_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 irqreturn_t
+diva_irq_ipac_pci(int intno, void *dev_id)
+{
+ struct IsdnCardState *cs = dev_id;
+ u_char ista, val;
+ int icnt = 5;
+ u_char *cfg;
+ u_long flags;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ cfg = (u_char *) cs->hw.diva.pci_cfg;
+ val = *cfg;
+ if (!(val & PITA_INT0_STATUS)) {
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_NONE; /* 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 LOOP\n");
+ memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xFF);
+ memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xC0);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+diva_irq_ipacx_pci(int intno, void *dev_id)
+{
+ struct IsdnCardState *cs = dev_id;
+ u_char val;
+ u_char *cfg;
+ u_long flags;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ cfg = (u_char *) cs->hw.diva.pci_cfg;
+ val = *cfg;
+ if (!(val & PITA_INT0_STATUS)) {
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_NONE; // other shared IRQ
+ }
+ interrupt_ipacx(cs); // handler for chip
+ *cfg = PITA_INT0_STATUS; // Reset PLX interrupt
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return IRQ_HANDLED;
+}
+
+static 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 */
+ if (cs->hw.diva.cfg_reg)
+ iounmap((void *)cs->hw.diva.cfg_reg);
+ if (cs->hw.diva.pci_cfg)
+ 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
+iounmap_diva(struct IsdnCardState *cs)
+{
+ if ((cs->subtyp == DIVA_IPAC_PCI) || (cs->subtyp == DIVA_IPACX_PCI)) {
+ if (cs->hw.diva.cfg_reg) {
+ iounmap((void *)cs->hw.diva.cfg_reg);
+ cs->hw.diva.cfg_reg = 0;
+ }
+ if (cs->hw.diva.pci_cfg) {
+ iounmap((void *)cs->hw.diva.pci_cfg);
+ cs->hw.diva.pci_cfg = 0;
+ }
+ }
+
+ return;
+}
+
+static void
+reset_diva(struct IsdnCardState *cs)
+{
+ if (cs->subtyp == DIVA_IPAC_ISA) {
+ writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x20);
+ mdelay(10);
+ writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x00);
+ mdelay(10);
+ 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;
+ mdelay(10);
+ *ireg = PITA_PARA_MPX_MODE;
+ mdelay(10);
+ 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;
+ mdelay(10);
+ *ireg = PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET;
+ mdelay(10);
+ 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);
+ mdelay(10);
+ cs->hw.diva.ctrl_reg |= DIVA_RESET; /* Reset Off */
+ byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
+ mdelay(10);
+ 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);
+ }
+}
+
+#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;
+ u_long flags;
+
+ switch (mt) {
+ case CARD_RESET:
+ spin_lock_irqsave(&cs->lock, flags);
+ reset_diva(cs);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ case CARD_RELEASE:
+ release_io_diva(cs);
+ return (0);
+ case CARD_INIT:
+ spin_lock_irqsave(&cs->lock, flags);
+ reset_diva(cs);
+ 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
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ }
+ if (cs->subtyp == DIVA_IPAC_PCI) {
+ ireg = (unsigned int *)cs->hw.diva.pci_cfg;
+ *ireg = PITA_INT0_ENABLE;
+ }
+ inithscxisac(cs, 3);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ 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)) {
+ spin_lock_irqsave(&cs->lock, flags);
+ diva_led_handler(cs);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ }
+ return (0);
+}
+
+static int setup_diva_common(struct IsdnCardState *cs)
+{
+ int bytecnt;
+ u_char val;
+
+ if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))
+ bytecnt = 8;
+ else
+ bytecnt = 32;
+
+ printk(KERN_INFO
+ "Diva: %s card configured at %#lx IRQ %d\n",
+ (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 %#lx\n",
+ (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 (!request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn")) {
+ printk(KERN_WARNING
+ "HiSax: %s config port %lx-%lx already in use\n",
+ "diva",
+ cs->hw.diva.cfg_reg,
+ cs->hw.diva.cfg_reg + bytecnt);
+ iounmap_diva(cs);
+ return (0);
+ }
+ }
+ cs->BC_Read_Reg = &ReadHSCX;
+ cs->BC_Write_Reg = &WriteHSCX;
+ cs->BC_Send_Data = &hscx_fill_fifo;
+ cs->cardmsg = &Diva_card_msg;
+ setup_isac(cs);
+ 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 %x\n", 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 %x\n", 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 = NULL; // function located in ipacx module
+ cs->irq_func = &diva_irq_ipacx_pci;
+ printk(KERN_INFO "Diva: IPACX Design Id: %x\n",
+ 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 address\n");
+ release_io_diva(cs);
+ return (0);
+ }
+ }
+ return (1);
+}
+
+#ifdef CONFIG_ISA
+
+static int setup_diva_isa(struct IsdnCard *card)
+{
+ struct IsdnCardState *cs = card->cs;
+ u_char val;
+
+ if (!card->para[1])
+ return (-1); /* card not found; continue search */
+
+ 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 %x\n", 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];
+
+ return (1); /* card found */
+}
+
+#else /* if !CONFIG_ISA */
+
+static int setup_diva_isa(struct IsdnCard *card)
+{
+ return (-1); /* card not found; continue search */
+}
+
+#endif /* CONFIG_ISA */
+
+#ifdef __ISAPNP__
+static struct isapnp_device_id diva_ids[] = {
+ { 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 *ipid = &diva_ids[0];
+static struct pnp_card *pnp_c = NULL;
+
+static int setup_diva_isapnp(struct IsdnCard *card)
+{
+ struct IsdnCardState *cs = card->cs;
+ struct pnp_dev *pnp_d;
+
+ if (!isapnp_present())
+ return (-1); /* card not found; continue search */
+
+ 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 "Diva PnP:some resources are missing %ld/%lx\n",
+ card->para[0], card->para[1]);
+ pnp_disable_dev(pnp_d);
+ return (0);
+ }
+ cs->hw.diva.cfg_reg = card->para[1];
+ cs->irq = card->para[0];
+ if (ipid->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;
+ }
+ return (1); /* card found */
+ } else {
+ printk(KERN_ERR "Diva PnP: PnP error card found, no device\n");
+ return (0);
+ }
+ }
+ ipid++;
+ pnp_c = NULL;
+ }
+
+ return (-1); /* card not found; continue search */
+}
+
+#else /* if !ISAPNP */
+
+static int setup_diva_isapnp(struct IsdnCard *card)
+{
+ return (-1); /* card not found; continue search */
+}
+
+#endif /* ISAPNP */
+
+#ifdef CONFIG_PCI
+static struct pci_dev *dev_diva = NULL;
+static struct pci_dev *dev_diva_u = NULL;
+static struct pci_dev *dev_diva201 = NULL;
+static struct pci_dev *dev_diva202 = NULL;
+
+static int setup_diva_pci(struct IsdnCard *card)
+{
+ struct IsdnCardState *cs = card->cs;
+
+ cs->subtyp = 0;
+ if ((dev_diva = hisax_find_pci_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 = hisax_find_pci_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 = hisax_find_pci_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 = hisax_find_pci_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 {
+ return (-1); /* card not found; continue search */
+ }
+
+ if (!cs->irq) {
+ printk(KERN_WARNING "Diva: No IRQ for PCI card found\n");
+ iounmap_diva(cs);
+ return (0);
+ }
+
+ if (!cs->hw.diva.cfg_reg) {
+ printk(KERN_WARNING "Diva: No IO-Adr for PCI card found\n");
+ iounmap_diva(cs);
+ return (0);
+ }
+ cs->irq_flags |= IRQF_SHARED;
+
+ 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);
+ } 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;
+ }
+
+ return (1); /* card found */
+}
+
+#else /* if !CONFIG_PCI */
+
+static int setup_diva_pci(struct IsdnCard *card)
+{
+ return (-1); /* card not found; continue search */
+}
+
+#endif /* CONFIG_PCI */
+
+int setup_diva(struct IsdnCard *card)
+{
+ int rc, have_card = 0;
+ struct IsdnCardState *cs = card->cs;
+ char tmp[64];
+
+ strcpy(tmp, Diva_revision);
+ printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %s\n", HiSax_getrev(tmp));
+ if (cs->typ != ISDN_CTYPE_DIEHLDIVA)
+ return (0);
+ cs->hw.diva.status = 0;
+
+ rc = setup_diva_isa(card);
+ if (!rc)
+ return rc;
+ if (rc > 0) {
+ have_card = 1;
+ goto ready;
+ }
+
+ rc = setup_diva_isapnp(card);
+ if (!rc)
+ return rc;
+ if (rc > 0) {
+ have_card = 1;
+ goto ready;
+ }
+
+ rc = setup_diva_pci(card);
+ if (!rc)
+ return rc;
+ if (rc > 0)
+ have_card = 1;
+
+ready:
+ if (!have_card) {
+ printk(KERN_WARNING "Diva: No ISA, ISAPNP or PCI card found\n");
+ return (0);
+ }
+
+ return setup_diva_common(card->cs);
+}
Code Review / kvmfornfv.git / blobdiff