o Merge with Linux 2.1.99.

 o Fix ancient bug in the ELF loader making ldd crash.
 o Fix ancient bug in the keyboard code for SGI, SNI and Jazz.

1 files changed, 1108 insertions, 0 deletions

diff --git a/drivers/isdn/hisax/netjet.c b/drivers/isdn/hisax/netjet.c
new file mode 100644
index 000000000..0686598e2
--- /dev/null
+++ b/drivers/isdn/hisax/netjet.c
@@ -0,0 +1,1108 @@
+/* $Id: netjet.c,v 1.3 1998/02/12 23:08:05 keil Exp $
+
+ * netjet.c     low level stuff for Traverse Technologie NETJet ISDN cards
+ *
+ * Author     Karsten Keil (keil@temic-ech.spacenet.de)
+ *
+ * Thanks to Traverse Technologie Australia for documents and informations
+ *
+ *
+ * $Log: netjet.c,v $
+ * Revision 1.3  1998/02/12 23:08:05  keil
+ * change for 2.1.86 (removing FREE_READ/FREE_WRITE from [dev]_kfree_skb()
+ *
+ * Revision 1.2  1998/02/02 13:32:06  keil
+ * New
+ *
+ *
+ *
+ */
+
+#define __NO_VERSION__
+#include <linux/config.h>
+#include "hisax.h"
+#include "isac.h"
+#include "hscx.h"
+#include "isdnl1.h"
+#include <linux/pci.h>
+#include <linux/bios32.h>
+#include <linux/interrupt.h>
+#define fcstab  ppp_crc16_table
+#include <linux/ppp_defs.h>
+extern __u16 ppp_crc16_table[256]; /* from ppp code */
+
+extern const char *CardType[];
+
+const char *NETjet_revision = "$Revision: 1.3 $";
+
+#define byteout(addr,val) outb(val,addr)
+#define bytein(addr) inb(addr)
+
+/* PCI stuff */
+#define PCI_VENDOR_TRAVERSE_TECH 0xe159
+#define PCI_NETJET_ID	0x0001
+
+#define NETJET_CTRL	0x00
+#define NETJET_DMACTRL	0x01
+#define NETJET_AUXCTRL	0x02
+#define NETJET_AUXDATA	0x03
+#define NETJET_IRQMASK0 0x04
+#define NETJET_IRQMASK1 0x05
+#define NETJET_IRQSTAT0 0x06
+#define NETJET_IRQSTAT1 0x07
+#define NETJET_DMA_READ_START	0x08
+#define NETJET_DMA_READ_IRQ	0x0c
+#define NETJET_DMA_READ_END	0x10
+#define NETJET_DMA_READ_ADR	0x14
+#define NETJET_DMA_WRITE_START	0x18
+#define NETJET_DMA_WRITE_IRQ	0x1c
+#define NETJET_DMA_WRITE_END	0x20
+#define NETJET_DMA_WRITE_ADR	0x24
+#define NETJET_PULSE_CNT	0x28
+
+#define NETJET_ISAC_OFF	0xc0
+#define NETJET_ISACIRQ	0x10
+
+#define NETJET_DMA_SIZE 512
+
+#define HDLC_ZERO_SEARCH 0
+#define HDLC_FLAG_SEARCH 1
+#define HDLC_FLAG_FOUND  2
+#define HDLC_FRAME_FOUND 3
+#define HDLC_NULL 4
+#define HDLC_PART 5
+#define HDLC_FULL 6
+
+#define HDLC_FLAG_VALUE	0x7e
+
+/* Interface functions */
+
+static u_char
+ReadISAC(struct IsdnCardState *cs, u_char offset)
+{
+	long flags;
+	u_char ret;
+	
+	save_flags(flags);
+	cli();
+	cs->hw.njet.auxd &= 0xfc;
+	cs->hw.njet.auxd |= (offset>>4) & 3;
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+	ret = bytein(cs->hw.njet.isac + ((offset & 0xf)<<2));
+	restore_flags(flags);
+	return(ret);
+}
+
+static void
+WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
+{
+	long flags;
+	
+	save_flags(flags);
+	cli();
+	cs->hw.njet.auxd &= 0xfc;
+	cs->hw.njet.auxd |= (offset>>4) & 3;
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+	byteout(cs->hw.njet.isac + ((offset & 0xf)<<2), value);
+	restore_flags(flags);
+}
+
+static void
+ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
+{
+	cs->hw.njet.auxd &= 0xfc;
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+	insb(cs->hw.njet.isac, data, size);
+}
+
+static void 
+WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
+{
+	cs->hw.njet.auxd &= 0xfc;
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+	outsb(cs->hw.njet.isac, data, size);
+}
+
+void fill_mem(struct BCState *bcs, u_int *pos, u_int cnt, int chan, u_char fill)
+{
+	u_int mask=0x000000ff, val = 0, *p=pos;
+	u_int i;
+	
+	val |= fill;
+	if (chan) {
+		val  <<= 8;
+		mask <<= 8;
+	}
+	mask ^= 0xffffffff;
+	for (i=0; i<cnt; i++) {
+		*p   &= mask;
+		*p++ |= val;
+		if (p > bcs->hw.tiger.s_end)
+			p = bcs->hw.tiger.send;
+	}
+}
+
+void
+mode_tiger(struct BCState *bcs, int mode, int bc)
+{
+	struct IsdnCardState *cs = bcs->cs;
+	char tmp[64];
+
+	if (cs->debug & L1_DEB_HSCX) {
+		sprintf(tmp, "Tiger mode %d bchan %d/%d",
+			mode, bc, bcs->channel);
+		debugl1(cs, tmp);
+	}
+	bcs->mode = mode;
+	bcs->channel = bc;
+	switch (mode) {
+		case (L1_MODE_NULL):
+			fill_mem(bcs, bcs->hw.tiger.send,
+				NETJET_DMA_SIZE, bc, 0xff);
+			if (cs->debug & L1_DEB_HSCX) {
+				sprintf(tmp, "Tiger stat rec %d/%d send %d",
+					bcs->hw.tiger.r_tot, bcs->hw.tiger.r_err,
+					bcs->hw.tiger.s_tot); 
+				debugl1(cs, tmp);
+			}
+			if ((cs->bcs[0].mode == L1_MODE_NULL) &&
+				(cs->bcs[1].mode == L1_MODE_NULL)) {
+				cs->hw.njet.dmactrl = 0;
+				byteout(cs->hw.njet.base + NETJET_DMACTRL,
+					cs->hw.njet.dmactrl);
+				byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0);
+			}
+			break;
+		case (L1_MODE_TRANS):
+			break;
+		case (L1_MODE_HDLC): 
+			fill_mem(bcs, bcs->hw.tiger.send,
+				NETJET_DMA_SIZE, bc, 0xff);
+			bcs->hw.tiger.r_state = HDLC_ZERO_SEARCH;
+			bcs->hw.tiger.r_tot = 0;
+			bcs->hw.tiger.r_bitcnt = 0;
+			bcs->hw.tiger.r_one = 0;
+			bcs->hw.tiger.r_err = 0;
+			bcs->hw.tiger.s_tot = 0;
+			if (! cs->hw.njet.dmactrl) {
+				fill_mem(bcs, bcs->hw.tiger.send,
+					NETJET_DMA_SIZE, !bc, 0xff);
+				cs->hw.njet.dmactrl = 1;
+				byteout(cs->hw.njet.base + NETJET_DMACTRL,
+					cs->hw.njet.dmactrl);
+				byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0x3f);
+			}
+			bcs->hw.tiger.sendp = bcs->hw.tiger.send;
+			bcs->hw.tiger.free = NETJET_DMA_SIZE;
+			test_and_set_bit(BC_FLG_EMPTY, &bcs->Flag);
+			break;
+	}
+	if (cs->debug & L1_DEB_HSCX) {
+		sprintf(tmp, "tiger: set %x %x %x  %x/%x  pulse=%d",
+			bytein(cs->hw.njet.base + NETJET_DMACTRL),
+			bytein(cs->hw.njet.base + NETJET_IRQMASK0),
+			bytein(cs->hw.njet.base + NETJET_IRQSTAT0),
+			inl(cs->hw.njet.base + NETJET_DMA_READ_ADR),
+			inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR),
+			bytein(cs->hw.njet.base + NETJET_PULSE_CNT));
+		debugl1(cs, tmp);
+	}
+}
+
+static u_char dummyrr(struct IsdnCardState *cs, int chan, u_char off)
+{
+	return(5);
+}
+
+static void dummywr(struct IsdnCardState *cs, int chan, u_char off, u_char value)
+{
+}
+
+static void printframe(struct IsdnCardState *cs, u_char *buf, int count, char *s) {
+	char tmp[128];
+	char *t = tmp;
+	int i=count,j;
+	u_char *p = buf;
+
+	t += sprintf(t, "tiger %s(%4d)", s, count);
+	while (i>0) {
+		if (i>16)
+			j=16;
+		else
+			j=i;
+		QuickHex(t, p, j);
+		debugl1(cs, tmp);
+		p += j;
+		i -= j;
+		t = tmp;
+		t += sprintf(t, "tiger %s      ", s);
+	}
+}
+
+#define MAKE_RAW_BYTE for (j=0; j<8; j++) { \
+			bitcnt++;\
+			s_val >>= 1;\
+			if (val & 1) {\
+				s_one++;\
+				s_val |= 0x80;\
+			} else {\
+				s_one = 0;\
+				s_val &= 0x7f;\
+			}\
+			if (bitcnt==8) {\
+				bcs->hw.tiger.sendbuf[s_cnt++] = s_val;\
+				bitcnt = 0;\
+			}\
+			if (s_one == 5) {\
+				s_val >>= 1;\
+				s_val &= 0x7f;\
+				bitcnt++;\
+				s_one = 0;\
+			}\
+			if (bitcnt==8) {\
+				bcs->hw.tiger.sendbuf[s_cnt++] = s_val;\
+				bitcnt = 0;\
+			}\
+			val >>= 1;\
+		}
+
+static void make_raw_data(struct BCState *bcs) {
+	register u_int i,s_cnt=0;
+	register u_char j;
+	register u_char val;
+	register u_char s_one = 0;
+	register u_char s_val = 0;
+	register u_char bitcnt = 0;
+	u_int fcs;
+	char tmp[64];
+	
+	
+	bcs->hw.tiger.sendbuf[s_cnt++] = HDLC_FLAG_VALUE;
+	fcs = PPP_INITFCS;
+	for (i=0; i<bcs->hw.tiger.tx_skb->len; i++) {
+		val = bcs->hw.tiger.tx_skb->data[i];
+		fcs = PPP_FCS (fcs, val);
+		MAKE_RAW_BYTE;
+	}
+	fcs ^= 0xffff;
+	val = fcs & 0xff;
+	MAKE_RAW_BYTE;
+	val = (fcs>>8) & 0xff;
+	MAKE_RAW_BYTE;
+	val = HDLC_FLAG_VALUE;
+	for (j=0; j<8; j++) { 
+		bitcnt++;
+		s_val >>= 1;
+		if (val & 1)
+			s_val |= 0x80;
+		else
+			s_val &= 0x7f;
+		if (bitcnt==8) {
+			bcs->hw.tiger.sendbuf[s_cnt++] = s_val;
+			bitcnt = 0;
+		}
+		val >>= 1;
+	}
+	if (bcs->cs->debug & L1_DEB_HSCX) {
+		sprintf(tmp,"tiger make_raw: in %d out %d.%d",
+			bcs->hw.tiger.tx_skb->len, s_cnt, bitcnt);
+		debugl1(bcs->cs,tmp);
+	}
+	if (bitcnt) {
+		while (8>bitcnt++) {
+			s_val >>= 1;
+			s_val |= 0x80;
+		}
+		bcs->hw.tiger.sendbuf[s_cnt++] = s_val;
+	}
+	bcs->hw.tiger.sendcnt = s_cnt;
+	bcs->tx_cnt -= bcs->hw.tiger.tx_skb->len;
+	bcs->hw.tiger.sp = bcs->hw.tiger.sendbuf;
+}
+
+static void got_frame(struct BCState *bcs, int count) {
+	struct sk_buff *skb;
+		
+	if (!(skb = dev_alloc_skb(count)))
+		printk(KERN_WARNING "TIGER: receive out of memory\n");
+	else {
+		memcpy(skb_put(skb, count), bcs->hw.tiger.rcvbuf, count);
+		skb_queue_tail(&bcs->rqueue, skb);
+	}
+	bcs->event |= 1 << B_RCVBUFREADY;
+	queue_task(&bcs->tqueue, &tq_immediate);
+	mark_bh(IMMEDIATE_BH);
+	
+	if (bcs->cs->debug & L1_DEB_RECEIVE_FRAME)
+		printframe(bcs->cs, bcs->hw.tiger.rcvbuf, count, "rec");
+}
+
+
+
+static void read_raw(struct BCState *bcs, u_int *buf, int cnt){
+	int i;
+	register u_char j;
+	register u_char val;
+	u_int  *pend = bcs->hw.tiger.rec +NETJET_DMA_SIZE -1;
+	register u_char state = bcs->hw.tiger.r_state;
+	register u_char r_one = bcs->hw.tiger.r_one;
+	register u_char r_val = bcs->hw.tiger.r_val;
+	register u_int bitcnt = bcs->hw.tiger.r_bitcnt;
+	u_int *p = buf;
+	char tmp[64];
+        
+	for (i=0;i<cnt;i++) {
+		val = bcs->channel ? ((*p>>8) & 0xff) : (*p & 0xff);
+		p++;
+		if (p > pend)
+			p = bcs->hw.tiger.rec;
+		if (val == 0xff) {
+			state = HDLC_ZERO_SEARCH;
+			bcs->hw.tiger.r_tot++;
+			bitcnt = 0;
+			r_one = 0;
+			continue;
+		}
+		for (j=0;j<8;j++) {
+			if (state == HDLC_ZERO_SEARCH) {
+				if (val & 1) {
+					r_one++;
+				} else {
+					r_one=0;
+					state= HDLC_FLAG_SEARCH;
+					if (bcs->cs->debug & L1_DEB_HSCX) {
+						sprintf(tmp,"tiger read_raw: zBit(%d,%d,%d) %x",
+							bcs->hw.tiger.r_tot,i,j,val);
+						debugl1(bcs->cs,tmp);
+					}
+				}
+			} else if (state == HDLC_FLAG_SEARCH) { 
+				if (val & 1) {
+					r_one++;
+					if (r_one>6) {
+						state=HDLC_ZERO_SEARCH;
+					}
+				} else {
+					if (r_one==6) {
+						bitcnt=0;
+						r_val=0;
+						state=HDLC_FLAG_FOUND;
+						if (bcs->cs->debug & L1_DEB_HSCX) {
+							sprintf(tmp,"tiger read_raw: flag(%d,%d,%d) %x",
+								bcs->hw.tiger.r_tot,i,j,val);
+							debugl1(bcs->cs,tmp);
+						}
+					}
+					r_one=0;
+				}
+			} else if (state ==  HDLC_FLAG_FOUND) {
+				if (val & 1) {
+					r_one++;
+					if (r_one>6) {
+						state=HDLC_ZERO_SEARCH;
+					} else {
+						r_val >>= 1;
+						r_val |= 0x80;
+						bitcnt++;
+					}
+				} else {
+					if (r_one==6) {
+						bitcnt=0;
+						r_val=0;
+						r_one=0;
+						val >>= 1;
+						continue;
+					} else if (r_one!=5) {
+						r_val >>= 1;
+						r_val &= 0x7f;
+						bitcnt++;
+					}
+					r_one=0;	
+				}
+				if ((state != HDLC_ZERO_SEARCH) &&
+					!(bitcnt & 7)) {
+					state=HDLC_FRAME_FOUND;
+					bcs->hw.tiger.r_fcs = PPP_INITFCS;
+					bcs->hw.tiger.rcvbuf[0] = r_val;
+					bcs->hw.tiger.r_fcs = PPP_FCS (bcs->hw.tiger.r_fcs, r_val);
+					if (bcs->cs->debug & L1_DEB_HSCX) {
+						sprintf(tmp,"tiger read_raw: byte1(%d,%d,%d) rval %x val %x i %x",
+							bcs->hw.tiger.r_tot,i,j,r_val,val,
+							bcs->cs->hw.njet.irqstat0);
+						debugl1(bcs->cs,tmp);
+					}
+				}
+			} else if (state ==  HDLC_FRAME_FOUND) {
+				if (val & 1) {
+					r_one++;
+					if (r_one>6) {
+						state=HDLC_ZERO_SEARCH;
+						bitcnt=0;
+					} else {
+						r_val >>= 1;
+						r_val |= 0x80;
+						bitcnt++;
+					}
+				} else {
+					if (r_one==6) {
+						r_val=0; 
+						r_one=0;
+						bitcnt++;
+						if (bitcnt & 7) {
+							debugl1(bcs->cs, "tiger: frame not byte aligned");
+							state=HDLC_FLAG_SEARCH;
+							bcs->hw.tiger.r_err++;
+						} else {
+							if (bcs->cs->debug & L1_DEB_HSCX) {
+								sprintf(tmp,"tiger frame end(%d,%d): fcs(%x) i %x",
+									i,j,bcs->hw.tiger.r_fcs, bcs->cs->hw.njet.irqstat0);
+								debugl1(bcs->cs, tmp);
+							}
+							if (bcs->hw.tiger.r_fcs == PPP_GOODFCS) {
+								got_frame(bcs, (bitcnt>>3)-3);
+							} else
+								if (bcs->cs->debug) {
+									debugl1(bcs->cs, "tiger FCS error");
+									printframe(bcs->cs, bcs->hw.tiger.rcvbuf,
+										(bitcnt>>3)-1, "rec");
+									bcs->hw.tiger.r_err++;
+								}
+							state=HDLC_FLAG_FOUND;
+						}
+						bitcnt=0;
+					} else if (r_one==5) {
+						val >>= 1;
+						r_one=0;
+						continue;
+					} else {
+						r_val >>= 1;
+						r_val &= 0x7f;
+						bitcnt++;
+					}
+					r_one=0;	
+				}
+				if ((state == HDLC_FRAME_FOUND) &&
+					!(bitcnt & 7)) {
+					if ((bitcnt>>3)>=HSCX_BUFMAX) {
+						debugl1(bcs->cs, "tiger: frame to big");
+						r_val=0; 
+						state=HDLC_FLAG_SEARCH;
+						bcs->hw.tiger.r_err++;
+					} else {
+						bcs->hw.tiger.rcvbuf[(bitcnt>>3)-1] = r_val;
+						bcs->hw.tiger.r_fcs = 
+							PPP_FCS (bcs->hw.tiger.r_fcs, r_val);
+					}
+				}
+			}
+			val >>= 1;
+		}
+		bcs->hw.tiger.r_tot++;
+	}
+	bcs->hw.tiger.r_state = state;
+	bcs->hw.tiger.r_one = r_one;
+	bcs->hw.tiger.r_val = r_val;
+	bcs->hw.tiger.r_bitcnt = bitcnt;
+}
+
+static void read_tiger(struct IsdnCardState *cs) {
+	u_int *p;
+	int cnt = NETJET_DMA_SIZE/2;
+	
+	if (cs->hw.njet.irqstat0 & 4)
+		p = cs->bcs[0].hw.tiger.rec + NETJET_DMA_SIZE - 1;
+	else
+		p = cs->bcs[0].hw.tiger.rec + cnt - 1;
+	if (cs->bcs[0].mode == L1_MODE_HDLC)
+		read_raw(cs->bcs, p, cnt);
+	if (cs->bcs[1].mode == L1_MODE_HDLC)
+		read_raw(cs->bcs + 1, p, cnt);
+	cs->hw.njet.irqstat0 &= 0xf3;
+}
+
+static void write_raw(struct BCState *bcs, u_int *buf, int cnt);
+
+static void fill_dma(struct BCState *bcs)
+{
+	char tmp[64];
+	register u_int *p, *sp;
+	register int cnt;
+
+	if (!bcs->hw.tiger.tx_skb)
+		return;
+	if (bcs->cs->debug & L1_DEB_HSCX) {
+		sprintf(tmp,"tiger fill_dma1: c%d %4x", bcs->channel,
+			bcs->Flag);
+			debugl1(bcs->cs,tmp);
+	}
+	if (test_and_set_bit(BC_FLG_BUSY, &bcs->Flag))
+		return;
+	make_raw_data(bcs);
+	if (bcs->cs->debug & L1_DEB_HSCX) {
+		sprintf(tmp,"tiger fill_dma2: c%d %4x", bcs->channel,
+			bcs->Flag);
+			debugl1(bcs->cs,tmp);
+	}
+	if (test_and_clear_bit(BC_FLG_NOFRAME, &bcs->Flag)) {
+		write_raw(bcs, bcs->hw.tiger.sendp, bcs->hw.tiger.free);
+	} else if (test_and_clear_bit(BC_FLG_HALF, &bcs->Flag)) {
+		p = bus_to_virt(inl(bcs->cs->hw.njet.base + NETJET_DMA_READ_ADR));
+		sp = bcs->hw.tiger.sendp;
+		if (p == bcs->hw.tiger.s_end)
+			p = bcs->hw.tiger.send -1;
+		if (sp == bcs->hw.tiger.s_end)
+			sp = bcs->hw.tiger.send -1;
+		cnt = p - sp;
+		if (cnt <0) {
+			write_raw(bcs, bcs->hw.tiger.sendp, bcs->hw.tiger.free);
+		} else {
+			p++;
+			cnt++;
+			if (p > bcs->hw.tiger.s_end)
+				p = bcs->hw.tiger.send;
+			p++;
+			cnt++;
+			if (p > bcs->hw.tiger.s_end)
+				p = bcs->hw.tiger.send;
+			write_raw(bcs, p, bcs->hw.tiger.free - cnt);
+		}
+	} else if (test_and_clear_bit(BC_FLG_EMPTY, &bcs->Flag)) {
+		p = bus_to_virt(inl(bcs->cs->hw.njet.base + NETJET_DMA_READ_ADR));
+		cnt = bcs->hw.tiger.s_end - p;
+		if (cnt < 2) {
+			p = bcs->hw.tiger.send + 1;
+			cnt = NETJET_DMA_SIZE/2 - 2;
+		} else {
+			p++;
+			p++;
+			if (cnt <= (NETJET_DMA_SIZE/2))
+				cnt += NETJET_DMA_SIZE/2;
+			cnt--;
+			cnt--;
+		}
+		write_raw(bcs, p, cnt);
+	}
+	if (bcs->cs->debug & L1_DEB_HSCX) {
+		sprintf(tmp,"tiger fill_dma3: c%d %4x", bcs->channel,
+			bcs->Flag);
+		debugl1(bcs->cs,tmp);
+	}
+}
+
+static void write_raw(struct BCState *bcs, u_int *buf, int cnt) {
+	u_int mask, val, *p=buf;
+	u_int i, s_cnt;
+	char tmp[64];
+        
+        if (cnt <= 0)
+        	return;
+	if (test_bit(BC_FLG_BUSY, &bcs->Flag)) {
+		if (bcs->hw.tiger.sendcnt> cnt) {
+			s_cnt = cnt;
+			bcs->hw.tiger.sendcnt -= cnt;
+		} else {
+			s_cnt = bcs->hw.tiger.sendcnt;
+			bcs->hw.tiger.sendcnt = 0;
+		}
+		if (bcs->channel)
+			mask = 0xffff00ff;
+		else
+			mask = 0xffffff00;
+		for (i=0; i<s_cnt; i++) {
+			val = bcs->channel ? ((bcs->hw.tiger.sp[i] <<8) & 0xff00) :
+				(bcs->hw.tiger.sp[i]);
+			*p   &= mask;
+			*p++ |= val;
+			if (p>bcs->hw.tiger.s_end)
+				p = bcs->hw.tiger.send;
+		}
+		bcs->hw.tiger.s_tot += s_cnt;
+		if (bcs->cs->debug & L1_DEB_HSCX) {
+			sprintf(tmp,"tiger write_raw: c%d %x-%x %d/%d %d %x", bcs->channel,
+			(u_int)buf, (u_int)p, s_cnt, cnt, bcs->hw.tiger.sendcnt,
+			bcs->cs->hw.njet.irqstat0);
+			debugl1(bcs->cs,tmp);
+		}
+		if (bcs->cs->debug & L1_DEB_HSCX_FIFO)
+			printframe(bcs->cs, bcs->hw.tiger.sp, s_cnt, "snd");
+		bcs->hw.tiger.sp += s_cnt;
+		bcs->hw.tiger.sendp = p;
+		if (!bcs->hw.tiger.sendcnt) {
+			if (!bcs->hw.tiger.tx_skb) {
+				sprintf(tmp,"tiger write_raw: NULL skb s_cnt %d", s_cnt);
+				debugl1(bcs->cs, tmp);
+			} else {
+				if (bcs->st->lli.l1writewakeup &&
+					(PACKET_NOACK != bcs->hw.tiger.tx_skb->pkt_type))
+					bcs->st->lli.l1writewakeup(bcs->st, bcs->hw.tiger.tx_skb->len);
+				dev_kfree_skb(bcs->hw.tiger.tx_skb);
+				bcs->hw.tiger.tx_skb = NULL;
+			}
+			test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+			bcs->hw.tiger.free = cnt - s_cnt;
+			if (bcs->hw.tiger.free > (NETJET_DMA_SIZE/2))
+				test_and_set_bit(BC_FLG_HALF, &bcs->Flag);
+			else {
+				test_and_clear_bit(BC_FLG_HALF, &bcs->Flag);
+				test_and_set_bit(BC_FLG_NOFRAME, &bcs->Flag);
+			}
+			if ((bcs->hw.tiger.tx_skb = skb_dequeue(&bcs->squeue))) {
+				fill_dma(bcs);
+			} else {
+				mask ^= 0xffffffff;
+				if (s_cnt < cnt) {
+					for (i=s_cnt; i<cnt;i++) {
+						*p++ |= mask;
+						if (p>bcs->hw.tiger.s_end)
+							p = bcs->hw.tiger.send;
+					}
+					if (bcs->cs->debug & L1_DEB_HSCX) {
+						sprintf(tmp, "tiger write_raw: fill rest %d",
+							cnt - s_cnt);
+						debugl1(bcs->cs,tmp);
+					}
+				}
+				bcs->event |= 1 << B_XMTBUFREADY;
+				queue_task(&bcs->tqueue, &tq_immediate);
+				mark_bh(IMMEDIATE_BH);
+			}
+		}
+	} else if (test_and_clear_bit(BC_FLG_NOFRAME, &bcs->Flag)) {
+		test_and_set_bit(BC_FLG_HALF, &bcs->Flag);
+		fill_mem(bcs, buf, cnt, bcs->channel, 0xff);
+		bcs->hw.tiger.free += cnt;
+		if (bcs->cs->debug & L1_DEB_HSCX) {
+			sprintf(tmp,"tiger write_raw: fill half");
+			debugl1(bcs->cs,tmp);
+		}
+	} else if (test_and_clear_bit(BC_FLG_HALF, &bcs->Flag)) {
+		test_and_set_bit(BC_FLG_EMPTY, &bcs->Flag);
+		fill_mem(bcs, buf, cnt, bcs->channel, 0xff);
+		if (bcs->cs->debug & L1_DEB_HSCX) {
+			sprintf(tmp,"tiger write_raw: fill full");
+			debugl1(bcs->cs,tmp);
+		}
+	}
+}
+
+static void write_tiger(struct IsdnCardState *cs) {
+	u_int *p, cnt = NETJET_DMA_SIZE/2;
+	
+	if (cs->hw.njet.irqstat0  & 1)
+		p = cs->bcs[0].hw.tiger.send + NETJET_DMA_SIZE - 1;
+	else
+		p = cs->bcs[0].hw.tiger.send + cnt - 1;
+	if (cs->bcs[0].mode == L1_MODE_HDLC)
+		write_raw(cs->bcs, p, cnt);
+	if (cs->bcs[1].mode == L1_MODE_HDLC)
+		write_raw(cs->bcs + 1, p, cnt);
+	cs->hw.njet.irqstat0 &= 0xfc;
+}
+
+static void
+tiger_l2l1(struct PStack *st, int pr, void *arg)
+{
+	struct sk_buff *skb = arg;
+	long flags;
+
+	switch (pr) {
+		case (PH_DATA_REQ):
+			save_flags(flags);
+			cli();
+			if (st->l1.bcs->hw.tiger.tx_skb) {
+				skb_queue_tail(&st->l1.bcs->squeue, skb);
+				restore_flags(flags);
+			} else {
+				st->l1.bcs->hw.tiger.tx_skb = skb;
+				st->l1.bcs->cs->BC_Send_Data(st->l1.bcs);
+				restore_flags(flags);
+			}
+			break;
+		case (PH_PULL_IND):
+			if (st->l1.bcs->hw.tiger.tx_skb) {
+				printk(KERN_WARNING "tiger_l2l1: this shouldn't happen\n");
+				break;
+			}
+			save_flags(flags);
+			cli();
+			st->l1.bcs->hw.tiger.tx_skb = skb;
+			st->l1.bcs->cs->BC_Send_Data(st->l1.bcs);
+			restore_flags(flags);
+			break;
+		case (PH_PULL_REQ):
+			if (!st->l1.bcs->hw.tiger.tx_skb) {
+				test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+				st->l1.l1l2(st, PH_PULL_CNF, NULL);
+			} else
+				test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+			break;
+	}
+}
+
+void
+close_tigerstate(struct BCState *bcs)
+{
+	struct sk_buff *skb;
+
+	mode_tiger(bcs, 0, 0);
+	if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
+		if (bcs->hw.tiger.rcvbuf) {
+			kfree(bcs->hw.tiger.rcvbuf);
+			bcs->hw.tiger.rcvbuf = NULL;
+		}
+		if (bcs->hw.tiger.sendbuf) {
+			kfree(bcs->hw.tiger.sendbuf);
+			bcs->hw.tiger.sendbuf = NULL;
+		}
+		while ((skb = skb_dequeue(&bcs->rqueue))) {
+			dev_kfree_skb(skb);
+		}
+		while ((skb = skb_dequeue(&bcs->squeue))) {
+			dev_kfree_skb(skb);
+		}
+		if (bcs->hw.tiger.tx_skb) {
+			dev_kfree_skb(bcs->hw.tiger.tx_skb);
+			bcs->hw.tiger.tx_skb = NULL;
+			test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+		}
+	}
+}
+
+static int
+open_tigerstate(struct IsdnCardState *cs, int bc)
+{
+	struct BCState *bcs = cs->bcs + bc;
+
+	if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
+		if (!(bcs->hw.tiger.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_KERNEL))) {
+			printk(KERN_WARNING
+			       "HiSax: No memory for tiger.rcvbuf\n");
+			return (1);
+		}
+		if (!(bcs->hw.tiger.sendbuf = kmalloc(RAW_BUFMAX, GFP_KERNEL))) {
+			printk(KERN_WARNING
+			       "HiSax: No memory for tiger.sendbuf\n");
+			return (1);
+		}
+		skb_queue_head_init(&bcs->rqueue);
+		skb_queue_head_init(&bcs->squeue);
+	}
+	bcs->hw.tiger.tx_skb = NULL;
+	bcs->hw.tiger.sendcnt = 0;
+	test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+	bcs->event = 0;
+	bcs->tx_cnt = 0;
+	return (0);
+}
+
+static void
+tiger_manl1(struct PStack *st, int pr,
+	  void *arg)
+{
+	switch (pr) {
+		case (PH_ACTIVATE_REQ):
+			test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
+			mode_tiger(st->l1.bcs, st->l1.mode, st->l1.bc);
+			st->l1.l1man(st, PH_ACTIVATE_CNF, NULL);
+			break;
+		case (PH_DEACTIVATE_REQ):
+			if (!test_bit(BC_FLG_BUSY, &st->l1.bcs->Flag))
+				mode_tiger(st->l1.bcs, 0, 0);
+			test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
+			break;
+	}
+}
+
+int
+setstack_tiger(struct PStack *st, struct BCState *bcs)
+{
+	if (open_tigerstate(st->l1.hardware, bcs->channel))
+		return (-1);
+	st->l1.bcs = bcs;
+	st->l2.l2l1 = tiger_l2l1;
+	st->ma.manl1 = tiger_manl1;
+	setstack_manager(st);
+	bcs->st = st;
+	return (0);
+}
+
+ 
+__initfunc(void
+inittiger(struct IsdnCardState *cs))
+{
+	char tmp[128];
+
+	if (!(cs->bcs[0].hw.tiger.send = kmalloc(NETJET_DMA_SIZE * sizeof(unsigned int),
+		GFP_KERNEL | GFP_DMA))) {
+		printk(KERN_WARNING
+		       "HiSax: No memory for tiger.send\n");
+		return;
+	}
+	cs->bcs[0].hw.tiger.s_irq = cs->bcs[0].hw.tiger.send + NETJET_DMA_SIZE/2 - 1;
+	cs->bcs[0].hw.tiger.s_end = cs->bcs[0].hw.tiger.send + NETJET_DMA_SIZE - 1;
+	cs->bcs[1].hw.tiger.send = cs->bcs[0].hw.tiger.send;
+	cs->bcs[1].hw.tiger.s_irq = cs->bcs[0].hw.tiger.s_irq;
+	cs->bcs[1].hw.tiger.s_end = cs->bcs[0].hw.tiger.s_end;
+	
+	memset(cs->bcs[0].hw.tiger.send, 0xff, NETJET_DMA_SIZE * sizeof(unsigned int));
+	sprintf(tmp, "tiger: send buf %x - %x", (u_int)cs->bcs[0].hw.tiger.send,
+		(u_int)(cs->bcs[0].hw.tiger.send + NETJET_DMA_SIZE - 1));
+	debugl1(cs, tmp);
+	outl(virt_to_bus(cs->bcs[0].hw.tiger.send),
+		cs->hw.njet.base + NETJET_DMA_READ_START);
+	outl(virt_to_bus(cs->bcs[0].hw.tiger.s_irq),
+		cs->hw.njet.base + NETJET_DMA_READ_IRQ);
+	outl(virt_to_bus(cs->bcs[0].hw.tiger.s_end),
+		cs->hw.njet.base + NETJET_DMA_READ_END);
+	if (!(cs->bcs[0].hw.tiger.rec = kmalloc(NETJET_DMA_SIZE * sizeof(unsigned int),
+		GFP_KERNEL | GFP_DMA))) {
+		printk(KERN_WARNING
+		       "HiSax: No memory for tiger.rec\n");
+		return;
+	}
+	sprintf(tmp, "tiger: rec buf %x - %x", (u_int)cs->bcs[0].hw.tiger.rec,
+		(u_int)(cs->bcs[0].hw.tiger.rec + NETJET_DMA_SIZE - 1));
+	debugl1(cs, tmp);
+	cs->bcs[1].hw.tiger.rec = cs->bcs[0].hw.tiger.rec;
+	memset(cs->bcs[0].hw.tiger.rec, 0xff, NETJET_DMA_SIZE * sizeof(unsigned int));
+	outl(virt_to_bus(cs->bcs[0].hw.tiger.rec),
+		cs->hw.njet.base + NETJET_DMA_WRITE_START);
+	outl(virt_to_bus(cs->bcs[0].hw.tiger.rec + NETJET_DMA_SIZE/2 - 1),
+		cs->hw.njet.base + NETJET_DMA_WRITE_IRQ);
+	outl(virt_to_bus(cs->bcs[0].hw.tiger.rec + NETJET_DMA_SIZE - 1),
+		cs->hw.njet.base + NETJET_DMA_WRITE_END);
+	sprintf(tmp, "tiger: dmacfg  %x/%x  pulse=%d",
+		inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR),
+		inl(cs->hw.njet.base + NETJET_DMA_READ_ADR),
+		bytein(cs->hw.njet.base + NETJET_PULSE_CNT));
+	debugl1(cs, tmp);
+	cs->hw.njet.last_is0 = 0;
+	cs->bcs[0].BC_SetStack = setstack_tiger;
+	cs->bcs[1].BC_SetStack = setstack_tiger;
+	cs->bcs[0].BC_Close = close_tigerstate;
+	cs->bcs[1].BC_Close = close_tigerstate;
+}
+
+void
+releasetiger(struct IsdnCardState *cs)
+{
+	if (cs->bcs[0].hw.tiger.send) {
+		kfree(cs->bcs[0].hw.tiger.send);
+		cs->bcs[0].hw.tiger.send = NULL;
+	}
+	if (cs->bcs[1].hw.tiger.send) {
+		cs->bcs[1].hw.tiger.send = NULL;
+	}
+	if (cs->bcs[0].hw.tiger.rec) {
+		kfree(cs->bcs[0].hw.tiger.rec);
+		cs->bcs[0].hw.tiger.rec = NULL;
+	}
+	if (cs->bcs[1].hw.tiger.rec) {
+		cs->bcs[1].hw.tiger.rec = NULL;
+	}
+}
+
+static void
+netjet_interrupt(int intno, void *dev_id, struct pt_regs *regs)
+{
+	struct IsdnCardState *cs = dev_id;
+	u_char val, sval, stat = 1;
+	char tmp[128];
+
+	if (!cs) {
+		printk(KERN_WARNING "NETjet: Spurious interrupt!\n");
+		return;
+	}
+	if (!((sval = bytein(cs->hw.njet.base + NETJET_IRQSTAT1)) &
+		NETJET_ISACIRQ)) {
+		val = ReadISAC(cs, ISAC_ISTA);
+		if (cs->debug & L1_DEB_ISAC) {
+			sprintf(tmp, "tiger: i1 %x %x", sval, val);
+			debugl1(cs, tmp);
+		}
+		if (val) {
+			isac_interrupt(cs, val);
+			stat |= 2;
+		}
+	}
+	if ((cs->hw.njet.irqstat0 = bytein(cs->hw.njet.base + NETJET_IRQSTAT0))) {
+/*		sprintf(tmp, "tiger: ist0 %x  %x %x  %x/%x  pulse=%d",
+			sval, 
+			bytein(cs->hw.njet.base + NETJET_DMACTRL),
+			bytein(cs->hw.njet.base + NETJET_IRQMASK0),
+			inl(cs->hw.njet.base + NETJET_DMA_READ_ADR),
+			inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR),
+			bytein(cs->hw.njet.base + NETJET_PULSE_CNT));
+		debugl1(cs, tmp);
+*/
+		if (cs->hw.njet.last_is0 & cs->hw.njet.irqstat0 & 0xf) {
+			sprintf(tmp, "tiger: ist0 %x->%x irq lost",
+				cs->hw.njet.last_is0, cs->hw.njet.irqstat0);
+			debugl1(cs, tmp);
+		}
+		cs->hw.njet.last_is0 = cs->hw.njet.irqstat0;
+/*		cs->hw.njet.irqmask0 = ((0x0f & cs->hw.njet.irqstat0) ^ 0x0f) | 0x30;
+*/		byteout(cs->hw.njet.base + NETJET_IRQSTAT0, cs->hw.njet.irqstat0);
+/*		byteout(cs->hw.njet.base + NETJET_IRQMASK0, cs->hw.njet.irqmask0);
+*/		if (cs->hw.njet.irqstat0 & 0x0c)
+			read_tiger(cs);
+		if (cs->hw.njet.irqstat0 & 0x03)
+			write_tiger(cs);
+	}
+/*	if (!testcnt--) {
+		cs->hw.njet.dmactrl = 0;
+		byteout(cs->hw.njet.base + NETJET_DMACTRL,
+			cs->hw.njet.dmactrl);
+		byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0);
+	}
+*/	if (stat & 2) {
+		WriteISAC(cs, ISAC_MASK, 0xFF);
+		WriteISAC(cs, ISAC_MASK, 0x0);
+	}
+}
+
+static void
+reset_netjet(struct IsdnCardState *cs)
+{
+	long flags;
+
+	save_flags(flags);
+	sti();
+	cs->hw.njet.ctrl_reg = 0xff;  /* Reset On */
+	byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+	current->state = TASK_INTERRUPTIBLE;
+	current->timeout = jiffies + (10 * HZ) / 1000;	/* Timeout 10ms */
+	schedule();
+	cs->hw.njet.ctrl_reg = 0x00;  /* Reset Off and status read clear */
+	byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+	current->state = TASK_INTERRUPTIBLE;
+	current->timeout = jiffies + (10 * HZ) / 1000;	/* Timeout 10ms */
+	schedule();
+	restore_flags(flags);
+	cs->hw.njet.auxd = 0;
+	cs->hw.njet.dmactrl = 0;
+	byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
+	byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
+	byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+}
+
+void
+release_io_netjet(struct IsdnCardState *cs)
+{
+	byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0);
+	byteout(cs->hw.njet.base + NETJET_IRQMASK1, 0);
+	releasetiger(cs);
+	release_region(cs->hw.njet.base, 256);
+}
+
+
+static int
+NETjet_card_msg(struct IsdnCardState *cs, int mt, void *arg)
+{
+	switch (mt) {
+		case CARD_RESET:
+			reset_netjet(cs);
+			return(0);
+		case CARD_RELEASE:
+			release_io_netjet(cs);
+			return(0);
+		case CARD_SETIRQ:
+			return(request_irq(cs->irq, &netjet_interrupt,
+					I4L_IRQ_FLAG, "HiSax", cs));
+		case CARD_INIT:
+			inittiger(cs);
+			clear_pending_isac_ints(cs);
+			initisac(cs);
+			return(0);
+		case CARD_TEST:
+			return(0);
+	}
+	return(0);
+}
+
+
+
+static 	int pci_index __initdata = 0;
+
+__initfunc(int
+setup_netjet(struct IsdnCard *card))
+{
+	int bytecnt;
+	struct IsdnCardState *cs = card->cs;
+	char tmp[64];
+#if CONFIG_PCI
+	u_char pci_bus, pci_device_fn, pci_irq;
+	u_int pci_ioaddr, found;
+#endif
+
+	strcpy(tmp, NETjet_revision);
+	printk(KERN_INFO "HiSax: Traverse Tech. NETjet driver Rev. %s\n", HiSax_getrev(tmp));
+	if (cs->typ != ISDN_CTYPE_NETJET)
+		return(0);
+#if CONFIG_PCI
+	found = 0;
+	for (; pci_index < 0xff; pci_index++) {
+		if (pcibios_find_device(PCI_VENDOR_TRAVERSE_TECH,
+			PCI_NETJET_ID, pci_index, &pci_bus, &pci_device_fn)
+			== PCIBIOS_SUCCESSFUL)
+			found = 1;
+		else
+			break;
+		/* get IRQ */
+		pcibios_read_config_byte(pci_bus, pci_device_fn,
+			PCI_INTERRUPT_LINE, &pci_irq);
+
+		/* get IO address */
+		pcibios_read_config_dword(pci_bus, pci_device_fn,
+			PCI_BASE_ADDRESS_0, &pci_ioaddr);
+		if (found)
+			break;
+	}
+	if (!found) {
+		printk(KERN_WARNING "NETjet: No PCI card found\n");
+		return(0);
+	}
+	if (!pci_irq) {
+		printk(KERN_WARNING "NETjet: No IRQ for PCI card found\n");
+		return(0);
+	}
+	if (!pci_ioaddr) {
+		printk(KERN_WARNING "NETjet: No IO-Adr for PCI card found\n");
+		return(0);
+	}
+	pci_ioaddr &= ~3; /* remove io/mem flag */
+	cs->hw.njet.base = pci_ioaddr; 
+	cs->hw.njet.auxa = pci_ioaddr + NETJET_AUXDATA;
+	cs->hw.njet.isac = pci_ioaddr | NETJET_ISAC_OFF;
+	cs->irq = pci_irq;
+	bytecnt = 256;
+#else
+	printk(KERN_WARNING "NETjet: NO_PCI_BIOS\n");
+	printk(KERN_WARNING "NETjet: unable to config NETJET PCI\n");
+	return (0);
+#endif /* CONFIG_PCI */
+	printk(KERN_INFO
+		"NETjet: PCI card configured at 0x%x IRQ %d\n",
+		cs->hw.njet.base, cs->irq);
+	if (check_region(cs->hw.njet.base, bytecnt)) {
+		printk(KERN_WARNING
+		       "HiSax: %s config port %x-%x already in use\n",
+		       CardType[card->typ],
+		       cs->hw.njet.base,
+		       cs->hw.njet.base + bytecnt);
+		return (0);
+	} else {
+		request_region(cs->hw.njet.base, bytecnt, "netjet isdn");
+	}
+	reset_netjet(cs);
+	cs->readisac  = &ReadISAC;
+	cs->writeisac = &WriteISAC;
+	cs->readisacfifo  = &ReadISACfifo;
+	cs->writeisacfifo = &WriteISACfifo;
+	cs->BC_Read_Reg  = &dummyrr;
+	cs->BC_Write_Reg = &dummywr;
+	cs->BC_Send_Data = &fill_dma;
+	cs->cardmsg = &NETjet_card_msg;
+	ISACVersion(cs, "NETjet:");
+	return (1);
+}