Initial import

1 files changed, 1911 insertions, 0 deletions

diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c
new file mode 100644
index 000000000..f4956c73a
--- /dev/null
+++ b/drivers/isdn/hisax/isar.c
@@ -0,0 +1,1911 @@
+/* $Id: isar.c,v 1.22.2.6 2004/02/11 13:21:34 keil Exp $
+ *
+ * isar.c   ISAR (Siemens PSB 7110) specific routines
+ *
+ * Author       Karsten Keil (keil@isdn4linux.de)
+ *
+ * This file is (c) under GNU General Public License
+ *
+ */
+
+#include <linux/init.h>
+#include "hisax.h"
+#include "isar.h"
+#include "isdnl1.h"
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+
+#define DBG_LOADFIRM	0
+#define DUMP_MBOXFRAME	2
+
+#define DLE	0x10
+#define ETX	0x03
+
+#define FAXMODCNT	13
+static const u_char faxmodulation[] = {3, 24, 48, 72, 73, 74, 96, 97, 98, 121, 122, 145, 146};
+static u_int modmask = 0x1fff;
+static int frm_extra_delay = 2;
+static int para_TOA = 6;
+static const u_char *FC1_CMD[] = {"FAE", "FTS", "FRS", "FTM", "FRM", "FTH", "FRH", "CTRL"};
+
+static void isar_setup(struct IsdnCardState *cs);
+static void isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para);
+static void ll_deliver_faxstat(struct BCState *bcs, u_char status);
+
+static inline int
+waitforHIA(struct IsdnCardState *cs, int timeout)
+{
+
+	while ((cs->BC_Read_Reg(cs, 0, ISAR_HIA) & 1) && timeout) {
+		udelay(1);
+		timeout--;
+	}
+	if (!timeout)
+		printk(KERN_WARNING "HiSax: ISAR waitforHIA timeout\n");
+	return (timeout);
+}
+
+
+static int
+sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len,
+	u_char *msg)
+{
+	int i;
+
+	if (!waitforHIA(cs, 4000))
+		return (0);
+#if DUMP_MBOXFRAME
+	if (cs->debug & L1_DEB_HSCX)
+		debugl1(cs, "sendmsg(%02x,%02x,%d)", his, creg, len);
+#endif
+	cs->BC_Write_Reg(cs, 0, ISAR_CTRL_H, creg);
+	cs->BC_Write_Reg(cs, 0, ISAR_CTRL_L, len);
+	cs->BC_Write_Reg(cs, 0, ISAR_WADR, 0);
+	if (msg && len) {
+		cs->BC_Write_Reg(cs, 1, ISAR_MBOX, msg[0]);
+		for (i = 1; i < len; i++)
+			cs->BC_Write_Reg(cs, 2, ISAR_MBOX, msg[i]);
+#if DUMP_MBOXFRAME > 1
+		if (cs->debug & L1_DEB_HSCX_FIFO) {
+			char tmp[256], *t;
+
+			i = len;
+			while (i > 0) {
+				t = tmp;
+				t += sprintf(t, "sendmbox cnt %d", len);
+				QuickHex(t, &msg[len-i], (i > 64) ? 64 : i);
+				debugl1(cs, "%s", tmp);
+				i -= 64;
+			}
+		}
+#endif
+	}
+	cs->BC_Write_Reg(cs, 1, ISAR_HIS, his);
+	waitforHIA(cs, 10000);
+	return (1);
+}
+
+/* Call only with IRQ disabled !!! */
+static inline void
+rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg)
+{
+	int i;
+
+	cs->BC_Write_Reg(cs, 1, ISAR_RADR, 0);
+	if (msg && ireg->clsb) {
+		msg[0] = cs->BC_Read_Reg(cs, 1, ISAR_MBOX);
+		for (i = 1; i < ireg->clsb; i++)
+			msg[i] = cs->BC_Read_Reg(cs, 2, ISAR_MBOX);
+#if DUMP_MBOXFRAME > 1
+		if (cs->debug & L1_DEB_HSCX_FIFO) {
+			char tmp[256], *t;
+
+			i = ireg->clsb;
+			while (i > 0) {
+				t = tmp;
+				t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb);
+				QuickHex(t, &msg[ireg->clsb - i], (i > 64) ? 64 : i);
+				debugl1(cs, "%s", tmp);
+				i -= 64;
+			}
+		}
+#endif
+	}
+	cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+}
+
+/* Call only with IRQ disabled !!! */
+static inline void
+get_irq_infos(struct IsdnCardState *cs, struct isar_reg *ireg)
+{
+	ireg->iis = cs->BC_Read_Reg(cs, 1, ISAR_IIS);
+	ireg->cmsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_H);
+	ireg->clsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_L);
+#if DUMP_MBOXFRAME
+	if (cs->debug & L1_DEB_HSCX)
+		debugl1(cs, "irq_stat(%02x,%02x,%d)", ireg->iis, ireg->cmsb,
+			ireg->clsb);
+#endif
+}
+
+static int
+waitrecmsg(struct IsdnCardState *cs, u_char *len,
+	   u_char *msg, int maxdelay)
+{
+	int timeout = 0;
+	struct isar_reg *ir = cs->bcs[0].hw.isar.reg;
+
+
+	while ((!(cs->BC_Read_Reg(cs, 0, ISAR_IRQBIT) & ISAR_IRQSTA)) &&
+	      (timeout++ < maxdelay))
+		udelay(1);
+	if (timeout > maxdelay) {
+		printk(KERN_WARNING"isar recmsg IRQSTA timeout\n");
+		return (0);
+	}
+	get_irq_infos(cs, ir);
+	rcv_mbox(cs, ir, msg);
+	*len = ir->clsb;
+	return (1);
+}
+
+int
+ISARVersion(struct IsdnCardState *cs, char *s)
+{
+	int ver;
+	u_char msg[] = ISAR_MSG_HWVER;
+	u_char tmp[64];
+	u_char len;
+	u_long flags;
+	int debug;
+
+	cs->cardmsg(cs, CARD_RESET,  NULL);
+	spin_lock_irqsave(&cs->lock, flags);
+	/* disable ISAR IRQ */
+	cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
+	debug = cs->debug;
+	cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
+	if (!sendmsg(cs, ISAR_HIS_VNR, 0, 3, msg)) {
+		spin_unlock_irqrestore(&cs->lock, flags);
+		return (-1);
+	}
+	if (!waitrecmsg(cs, &len, tmp, 100000)) {
+		spin_unlock_irqrestore(&cs->lock, flags);
+		return (-2);
+	}
+	cs->debug = debug;
+	if (cs->bcs[0].hw.isar.reg->iis == ISAR_IIS_VNR) {
+		if (len == 1) {
+			ver = tmp[0] & 0xf;
+			printk(KERN_INFO "%s ISAR version %d\n", s, ver);
+		} else
+			ver = -3;
+	} else
+		ver = -4;
+	spin_unlock_irqrestore(&cs->lock, flags);
+	return (ver);
+}
+
+static int
+isar_load_firmware(struct IsdnCardState *cs, u_char __user *buf)
+{
+	int cfu_ret, ret, size, cnt, debug;
+	u_char len, nom, noc;
+	u_short sadr, left, *sp;
+	u_char __user *p = buf;
+	u_char *msg, *tmpmsg, *mp, tmp[64];
+	u_long flags;
+	struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
+
+	struct {u_short sadr;
+		u_short len;
+		u_short d_key;
+	} blk_head;
+
+#define	BLK_HEAD_SIZE 6
+	if (1 != (ret = ISARVersion(cs, "Testing"))) {
+		printk(KERN_ERR"isar_load_firmware wrong isar version %d\n", ret);
+		return (1);
+	}
+	debug = cs->debug;
+#if DBG_LOADFIRM < 2
+	cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
+#endif
+
+	cfu_ret = copy_from_user(&size, p, sizeof(int));
+	if (cfu_ret) {
+		printk(KERN_ERR "isar_load_firmware copy_from_user ret %d\n", cfu_ret);
+		return -EFAULT;
+	}
+	p += sizeof(int);
+	printk(KERN_DEBUG"isar_load_firmware size: %d\n", size);
+	cnt = 0;
+	/* disable ISAR IRQ */
+	cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
+	if (!(msg = kmalloc(256, GFP_KERNEL))) {
+		printk(KERN_ERR"isar_load_firmware no buffer\n");
+		return (1);
+	}
+	if (!(tmpmsg = kmalloc(256, GFP_KERNEL))) {
+		printk(KERN_ERR"isar_load_firmware no tmp buffer\n");
+		kfree(msg);
+		return (1);
+	}
+	spin_lock_irqsave(&cs->lock, flags);
+	/* disable ISAR IRQ */
+	cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
+	spin_unlock_irqrestore(&cs->lock, flags);
+	while (cnt < size) {
+		if ((ret = copy_from_user(&blk_head, p, BLK_HEAD_SIZE))) {
+			printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
+			goto reterror;
+		}
+#ifdef __BIG_ENDIAN
+		sadr = (blk_head.sadr & 0xff) * 256 + blk_head.sadr / 256;
+		blk_head.sadr = sadr;
+		sadr = (blk_head.len & 0xff) * 256 + blk_head.len / 256;
+		blk_head.len = sadr;
+		sadr = (blk_head.d_key & 0xff) * 256 + blk_head.d_key / 256;
+		blk_head.d_key = sadr;
+#endif /* __BIG_ENDIAN */
+		cnt += BLK_HEAD_SIZE;
+		p += BLK_HEAD_SIZE;
+		printk(KERN_DEBUG"isar firmware block (%#x,%5d,%#x)\n",
+		       blk_head.sadr, blk_head.len, blk_head.d_key & 0xff);
+		sadr = blk_head.sadr;
+		left = blk_head.len;
+		spin_lock_irqsave(&cs->lock, flags);
+		if (!sendmsg(cs, ISAR_HIS_DKEY, blk_head.d_key & 0xff, 0, NULL)) {
+			printk(KERN_ERR"isar sendmsg dkey failed\n");
+			ret = 1; goto reterr_unlock;
+		}
+		if (!waitrecmsg(cs, &len, tmp, 100000)) {
+			printk(KERN_ERR"isar waitrecmsg dkey failed\n");
+			ret = 1; goto reterr_unlock;
+		}
+		if ((ireg->iis != ISAR_IIS_DKEY) || ireg->cmsb || len) {
+			printk(KERN_ERR"isar wrong dkey response (%x,%x,%x)\n",
+			       ireg->iis, ireg->cmsb, len);
+			ret = 1; goto reterr_unlock;
+		}
+		spin_unlock_irqrestore(&cs->lock, flags);
+		while (left > 0) {
+			if (left > 126)
+				noc = 126;
+			else
+				noc = left;
+			nom = 2 * noc;
+			mp  = msg;
+			*mp++ = sadr / 256;
+			*mp++ = sadr % 256;
+			left -= noc;
+			*mp++ = noc;
+			if ((ret = copy_from_user(tmpmsg, p, nom))) {
+				printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
+				goto reterror;
+			}
+			p += nom;
+			cnt += nom;
+			nom += 3;
+			sp = (u_short *)tmpmsg;
+#if DBG_LOADFIRM
+			printk(KERN_DEBUG"isar: load %3d words at %04x left %d\n",
+			       noc, sadr, left);
+#endif
+			sadr += noc;
+			while (noc) {
+#ifdef __BIG_ENDIAN
+				*mp++ = *sp % 256;
+				*mp++ = *sp / 256;
+#else
+				*mp++ = *sp / 256;
+				*mp++ = *sp % 256;
+#endif /* __BIG_ENDIAN */
+				sp++;
+				noc--;
+			}
+			spin_lock_irqsave(&cs->lock, flags);
+			if (!sendmsg(cs, ISAR_HIS_FIRM, 0, nom, msg)) {
+				printk(KERN_ERR"isar sendmsg prog failed\n");
+				ret = 1; goto reterr_unlock;
+			}
+			if (!waitrecmsg(cs, &len, tmp, 100000)) {
+				printk(KERN_ERR"isar waitrecmsg prog failed\n");
+				ret = 1; goto reterr_unlock;
+			}
+			if ((ireg->iis != ISAR_IIS_FIRM) || ireg->cmsb || len) {
+				printk(KERN_ERR"isar wrong prog response (%x,%x,%x)\n",
+				       ireg->iis, ireg->cmsb, len);
+				ret = 1; goto reterr_unlock;
+			}
+			spin_unlock_irqrestore(&cs->lock, flags);
+		}
+		printk(KERN_DEBUG"isar firmware block %5d words loaded\n",
+		       blk_head.len);
+	}
+	/* 10ms delay */
+	cnt = 10;
+	while (cnt--)
+		udelay(1000);
+	msg[0] = 0xff;
+	msg[1] = 0xfe;
+	ireg->bstat = 0;
+	spin_lock_irqsave(&cs->lock, flags);
+	if (!sendmsg(cs, ISAR_HIS_STDSP, 0, 2, msg)) {
+		printk(KERN_ERR"isar sendmsg start dsp failed\n");
+		ret = 1; goto reterr_unlock;
+	}
+	if (!waitrecmsg(cs, &len, tmp, 100000)) {
+		printk(KERN_ERR"isar waitrecmsg start dsp failed\n");
+		ret = 1; goto reterr_unlock;
+	}
+	if ((ireg->iis != ISAR_IIS_STDSP) || ireg->cmsb || len) {
+		printk(KERN_ERR"isar wrong start dsp response (%x,%x,%x)\n",
+		       ireg->iis, ireg->cmsb, len);
+		ret = 1; goto reterr_unlock;
+	} else
+		printk(KERN_DEBUG"isar start dsp success\n");
+	/* NORMAL mode entered */
+	/* Enable IRQs of ISAR */
+	cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, ISAR_IRQSTA);
+	spin_unlock_irqrestore(&cs->lock, flags);
+	cnt = 1000; /* max 1s */
+	while ((!ireg->bstat) && cnt) {
+		udelay(1000);
+		cnt--;
+	}
+	if (!cnt) {
+		printk(KERN_ERR"isar no general status event received\n");
+		ret = 1; goto reterror;
+	} else {
+		printk(KERN_DEBUG"isar general status event %x\n",
+		       ireg->bstat);
+	}
+	/* 10ms delay */
+	cnt = 10;
+	while (cnt--)
+		udelay(1000);
+	spin_lock_irqsave(&cs->lock, flags);
+	ireg->iis = 0;
+	if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {
+		printk(KERN_ERR"isar sendmsg self tst failed\n");
+		ret = 1; goto reterr_unlock;
+	}
+	cnt = 10000; /* max 100 ms */
+	spin_unlock_irqrestore(&cs->lock, flags);
+	while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
+		udelay(10);
+		cnt--;
+	}
+	udelay(1000);
+	if (!cnt) {
+		printk(KERN_ERR"isar no self tst response\n");
+		ret = 1; goto reterror;
+	}
+	if ((ireg->cmsb == ISAR_CTRL_STST) && (ireg->clsb == 1)
+	    && (ireg->par[0] == 0)) {
+		printk(KERN_DEBUG"isar selftest OK\n");
+	} else {
+		printk(KERN_DEBUG"isar selftest not OK %x/%x/%x\n",
+		       ireg->cmsb, ireg->clsb, ireg->par[0]);
+		ret = 1; goto reterror;
+	}
+	spin_lock_irqsave(&cs->lock, flags);
+	ireg->iis = 0;
+	if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {
+		printk(KERN_ERR"isar RQST SVN failed\n");
+		ret = 1; goto reterr_unlock;
+	}
+	spin_unlock_irqrestore(&cs->lock, flags);
+	cnt = 30000; /* max 300 ms */
+	while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
+		udelay(10);
+		cnt--;
+	}
+	udelay(1000);
+	if (!cnt) {
+		printk(KERN_ERR"isar no SVN response\n");
+		ret = 1; goto reterror;
+	} else {
+		if ((ireg->cmsb == ISAR_CTRL_SWVER) && (ireg->clsb == 1))
+			printk(KERN_DEBUG"isar software version %#x\n",
+			       ireg->par[0]);
+		else {
+			printk(KERN_ERR"isar wrong swver response (%x,%x) cnt(%d)\n",
+			       ireg->cmsb, ireg->clsb, cnt);
+			ret = 1; goto reterror;
+		}
+	}
+	spin_lock_irqsave(&cs->lock, flags);
+	cs->debug = debug;
+	isar_setup(cs);
+
+	ret = 0;
+reterr_unlock:
+	spin_unlock_irqrestore(&cs->lock, flags);
+reterror:
+	cs->debug = debug;
+	if (ret)
+		/* disable ISAR IRQ */
+		cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
+	kfree(msg);
+	kfree(tmpmsg);
+	return (ret);
+}
+
+#define B_LL_NOCARRIER	8
+#define B_LL_CONNECT	9
+#define B_LL_OK		10
+
+static void
+isar_bh(struct work_struct *work)
+{
+	struct BCState *bcs = container_of(work, struct BCState, tqueue);
+
+	BChannel_bh(work);
+	if (test_and_clear_bit(B_LL_NOCARRIER, &bcs->event))
+		ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_NOCARR);
+	if (test_and_clear_bit(B_LL_CONNECT, &bcs->event))
+		ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
+	if (test_and_clear_bit(B_LL_OK, &bcs->event))
+		ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_OK);
+}
+
+static void
+send_DLE_ETX(struct BCState *bcs)
+{
+	u_char dleetx[2] = {DLE, ETX};
+	struct sk_buff *skb;
+
+	if ((skb = dev_alloc_skb(2))) {
+		memcpy(skb_put(skb, 2), dleetx, 2);
+		skb_queue_tail(&bcs->rqueue, skb);
+		schedule_event(bcs, B_RCVBUFREADY);
+	} else {
+		printk(KERN_WARNING "HiSax: skb out of memory\n");
+	}
+}
+
+static inline int
+dle_count(unsigned char *buf, int len)
+{
+	int count = 0;
+
+	while (len--)
+		if (*buf++ == DLE)
+			count++;
+	return count;
+}
+
+static inline void
+insert_dle(unsigned char *dest, unsigned char *src, int count) {
+	/* <DLE> in input stream have to be flagged as <DLE><DLE> */
+	while (count--) {
+		*dest++ = *src;
+		if (*src++ == DLE)
+			*dest++ = DLE;
+	}
+}
+
+static void
+isar_rcv_frame(struct IsdnCardState *cs, struct BCState *bcs)
+{
+	u_char *ptr;
+	struct sk_buff *skb;
+	struct isar_reg *ireg = bcs->hw.isar.reg;
+
+	if (!ireg->clsb) {
+		debugl1(cs, "isar zero len frame");
+		cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		return;
+	}
+	switch (bcs->mode) {
+	case L1_MODE_NULL:
+		debugl1(cs, "isar mode 0 spurious IIS_RDATA %x/%x/%x",
+			ireg->iis, ireg->cmsb, ireg->clsb);
+		printk(KERN_WARNING"isar mode 0 spurious IIS_RDATA %x/%x/%x\n",
+		       ireg->iis, ireg->cmsb, ireg->clsb);
+		cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		break;
+	case L1_MODE_TRANS:
+	case L1_MODE_V32:
+		if ((skb = dev_alloc_skb(ireg->clsb))) {
+			rcv_mbox(cs, ireg, (u_char *)skb_put(skb, ireg->clsb));
+			skb_queue_tail(&bcs->rqueue, skb);
+			schedule_event(bcs, B_RCVBUFREADY);
+		} else {
+			printk(KERN_WARNING "HiSax: skb out of memory\n");
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		}
+		break;
+	case L1_MODE_HDLC:
+		if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_rcv_frame: incoming packet too large");
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+			bcs->hw.isar.rcvidx = 0;
+		} else if (ireg->cmsb & HDLC_ERROR) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar frame error %x len %d",
+					ireg->cmsb, ireg->clsb);
+#ifdef ERROR_STATISTIC
+			if (ireg->cmsb & HDLC_ERR_RER)
+				bcs->err_inv++;
+			if (ireg->cmsb & HDLC_ERR_CER)
+				bcs->err_crc++;
+#endif
+			bcs->hw.isar.rcvidx = 0;
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		} else {
+			if (ireg->cmsb & HDLC_FSD)
+				bcs->hw.isar.rcvidx = 0;
+			ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
+			bcs->hw.isar.rcvidx += ireg->clsb;
+			rcv_mbox(cs, ireg, ptr);
+			if (ireg->cmsb & HDLC_FED) {
+				if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
+					if (cs->debug & L1_DEB_WARN)
+						debugl1(cs, "isar frame to short %d",
+							bcs->hw.isar.rcvidx);
+				} else if (!(skb = dev_alloc_skb(bcs->hw.isar.rcvidx - 2))) {
+					printk(KERN_WARNING "ISAR: receive out of memory\n");
+				} else {
+					memcpy(skb_put(skb, bcs->hw.isar.rcvidx - 2),
+					       bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx - 2);
+					skb_queue_tail(&bcs->rqueue, skb);
+					schedule_event(bcs, B_RCVBUFREADY);
+				}
+				bcs->hw.isar.rcvidx = 0;
+			}
+		}
+		break;
+	case L1_MODE_FAX:
+		if (bcs->hw.isar.state != STFAX_ACTIV) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_rcv_frame: not ACTIV");
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+			bcs->hw.isar.rcvidx = 0;
+			break;
+		}
+		if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
+			rcv_mbox(cs, ireg, bcs->hw.isar.rcvbuf);
+			bcs->hw.isar.rcvidx = ireg->clsb +
+				dle_count(bcs->hw.isar.rcvbuf, ireg->clsb);
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "isar_rcv_frame: raw(%d) dle(%d)",
+					ireg->clsb, bcs->hw.isar.rcvidx);
+			if ((skb = dev_alloc_skb(bcs->hw.isar.rcvidx))) {
+				insert_dle((u_char *)skb_put(skb, bcs->hw.isar.rcvidx),
+					   bcs->hw.isar.rcvbuf, ireg->clsb);
+				skb_queue_tail(&bcs->rqueue, skb);
+				schedule_event(bcs, B_RCVBUFREADY);
+				if (ireg->cmsb & SART_NMD) { /* ABORT */
+					if (cs->debug & L1_DEB_WARN)
+						debugl1(cs, "isar_rcv_frame: no more data");
+					bcs->hw.isar.rcvidx = 0;
+					send_DLE_ETX(bcs);
+					sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) |
+						ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
+						0, NULL);
+					bcs->hw.isar.state = STFAX_ESCAPE;
+					schedule_event(bcs, B_LL_NOCARRIER);
+				}
+			} else {
+				printk(KERN_WARNING "HiSax: skb out of memory\n");
+			}
+			break;
+		}
+		if (bcs->hw.isar.cmd != PCTRL_CMD_FRH) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_rcv_frame: unknown fax mode %x",
+					bcs->hw.isar.cmd);
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+			bcs->hw.isar.rcvidx = 0;
+			break;
+		}
+		/* PCTRL_CMD_FRH */
+		if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_rcv_frame: incoming packet too large");
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+			bcs->hw.isar.rcvidx = 0;
+		} else if (ireg->cmsb & HDLC_ERROR) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar frame error %x len %d",
+					ireg->cmsb, ireg->clsb);
+			bcs->hw.isar.rcvidx = 0;
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		} else {
+			if (ireg->cmsb & HDLC_FSD) {
+				bcs->hw.isar.rcvidx = 0;
+			}
+			ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
+			bcs->hw.isar.rcvidx += ireg->clsb;
+			rcv_mbox(cs, ireg, ptr);
+			if (ireg->cmsb & HDLC_FED) {
+				int len = bcs->hw.isar.rcvidx +
+					dle_count(bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx);
+				if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
+					if (cs->debug & L1_DEB_WARN)
+						debugl1(cs, "isar frame to short %d",
+							bcs->hw.isar.rcvidx);
+					printk(KERN_WARNING "ISAR: frame to short %d\n",
+					       bcs->hw.isar.rcvidx);
+				} else if (!(skb = dev_alloc_skb(len))) {
+					printk(KERN_WARNING "ISAR: receive out of memory\n");
+				} else {
+					insert_dle((u_char *)skb_put(skb, len),
+						   bcs->hw.isar.rcvbuf,
+						   bcs->hw.isar.rcvidx);
+					skb_queue_tail(&bcs->rqueue, skb);
+					schedule_event(bcs, B_RCVBUFREADY);
+					send_DLE_ETX(bcs);
+					schedule_event(bcs, B_LL_OK);
+					test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
+				}
+				bcs->hw.isar.rcvidx = 0;
+			}
+		}
+		if (ireg->cmsb & SART_NMD) { /* ABORT */
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_rcv_frame: no more data");
+			bcs->hw.isar.rcvidx = 0;
+			sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) |
+				ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
+			bcs->hw.isar.state = STFAX_ESCAPE;
+			if (test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag)) {
+				send_DLE_ETX(bcs);
+				schedule_event(bcs, B_LL_NOCARRIER);
+			}
+		}
+		break;
+	default:
+		printk(KERN_ERR"isar_rcv_frame mode (%x)error\n", bcs->mode);
+		cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		break;
+	}
+}
+
+void
+isar_fill_fifo(struct BCState *bcs)
+{
+	struct IsdnCardState *cs = bcs->cs;
+	int count;
+	u_char msb;
+	u_char *ptr;
+
+	if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
+		debugl1(cs, "isar_fill_fifo");
+	if (!bcs->tx_skb)
+		return;
+	if (bcs->tx_skb->len <= 0)
+		return;
+	if (!(bcs->hw.isar.reg->bstat &
+	      (bcs->hw.isar.dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2)))
+		return;
+	if (bcs->tx_skb->len > bcs->hw.isar.mml) {
+		msb = 0;
+		count = bcs->hw.isar.mml;
+	} else {
+		count = bcs->tx_skb->len;
+		msb = HDLC_FED;
+	}
+	ptr = bcs->tx_skb->data;
+	if (!bcs->hw.isar.txcnt) {
+		msb |= HDLC_FST;
+		if ((bcs->mode == L1_MODE_FAX) &&
+		    (bcs->hw.isar.cmd == PCTRL_CMD_FTH)) {
+			if (bcs->tx_skb->len > 1) {
+				if ((ptr[0] == 0xff) && (ptr[1] == 0x13))
+					/* last frame */
+					test_and_set_bit(BC_FLG_LASTDATA,
+							 &bcs->Flag);
+			}
+		}
+	}
+	skb_pull(bcs->tx_skb, count);
+	bcs->tx_cnt -= count;
+	bcs->hw.isar.txcnt += count;
+	switch (bcs->mode) {
+	case L1_MODE_NULL:
+		printk(KERN_ERR"isar_fill_fifo wrong mode 0\n");
+		break;
+	case L1_MODE_TRANS:
+	case L1_MODE_V32:
+		sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
+			0, count, ptr);
+		break;
+	case L1_MODE_HDLC:
+		sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
+			msb, count, ptr);
+		break;
+	case L1_MODE_FAX:
+		if (bcs->hw.isar.state != STFAX_ACTIV) {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_fill_fifo: not ACTIV");
+		} else if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
+			sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
+				msb, count, ptr);
+		} else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) {
+			sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
+				0, count, ptr);
+		} else {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "isar_fill_fifo: not FTH/FTM");
+		}
+		break;
+	default:
+		if (cs->debug)
+			debugl1(cs, "isar_fill_fifo mode(%x) error", bcs->mode);
+		printk(KERN_ERR"isar_fill_fifo mode(%x) error\n", bcs->mode);
+		break;
+	}
+}
+
+static inline
+struct BCState *sel_bcs_isar(struct IsdnCardState *cs, u_char dpath)
+{
+	if ((!dpath) || (dpath == 3))
+		return (NULL);
+	if (cs->bcs[0].hw.isar.dpath == dpath)
+		return (&cs->bcs[0]);
+	if (cs->bcs[1].hw.isar.dpath == dpath)
+		return (&cs->bcs[1]);
+	return (NULL);
+}
+
+static void
+send_frames(struct BCState *bcs)
+{
+	if (bcs->tx_skb) {
+		if (bcs->tx_skb->len) {
+			isar_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.isar.txcnt;
+				spin_unlock_irqrestore(&bcs->aclock, flags);
+				schedule_event(bcs, B_ACKPENDING);
+			}
+			if (bcs->mode == L1_MODE_FAX) {
+				if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
+					if (test_bit(BC_FLG_LASTDATA, &bcs->Flag)) {
+						test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag);
+					}
+				} else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) {
+					if (test_bit(BC_FLG_DLEETX, &bcs->Flag)) {
+						test_and_set_bit(BC_FLG_LASTDATA, &bcs->Flag);
+						test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag);
+					}
+				}
+			}
+			dev_kfree_skb_any(bcs->tx_skb);
+			bcs->hw.isar.txcnt = 0;
+			bcs->tx_skb = NULL;
+		}
+	}
+	if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
+		bcs->hw.isar.txcnt = 0;
+		test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
+		isar_fill_fifo(bcs);
+	} else {
+		if (test_and_clear_bit(BC_FLG_DLEETX, &bcs->Flag)) {
+			if (test_and_clear_bit(BC_FLG_LASTDATA, &bcs->Flag)) {
+				if (test_and_clear_bit(BC_FLG_NMD_DATA, &bcs->Flag)) {
+					u_char dummy = 0;
+					sendmsg(bcs->cs, SET_DPS(bcs->hw.isar.dpath) |
+						ISAR_HIS_SDATA, 0x01, 1, &dummy);
+				}
+				test_and_set_bit(BC_FLG_LL_OK, &bcs->Flag);
+			} else {
+				schedule_event(bcs, B_LL_CONNECT);
+			}
+		}
+		test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+		schedule_event(bcs, B_XMTBUFREADY);
+	}
+}
+
+static inline void
+check_send(struct IsdnCardState *cs, u_char rdm)
+{
+	struct BCState *bcs;
+
+	if (rdm & BSTAT_RDM1) {
+		if ((bcs = sel_bcs_isar(cs, 1))) {
+			if (bcs->mode) {
+				send_frames(bcs);
+			}
+		}
+	}
+	if (rdm & BSTAT_RDM2) {
+		if ((bcs = sel_bcs_isar(cs, 2))) {
+			if (bcs->mode) {
+				send_frames(bcs);
+			}
+		}
+	}
+
+}
+
+static const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200",
+			      "NODEF4", "300", "600", "1200", "2400",
+			      "4800", "7200", "9600nt", "9600t", "12000",
+			      "14400", "WRONG"};
+static const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21",
+			      "Bell103", "V23", "Bell202", "V17", "V29",
+			      "V27ter"};
+
+static void
+isar_pump_status_rsp(struct BCState *bcs, struct isar_reg *ireg) {
+	struct IsdnCardState *cs = bcs->cs;
+	u_char ril = ireg->par[0];
+	u_char rim;
+
+	if (!test_and_clear_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags))
+		return;
+	if (ril > 14) {
+		if (cs->debug & L1_DEB_WARN)
+			debugl1(cs, "wrong pstrsp ril=%d", ril);
+		ril = 15;
+	}
+	switch (ireg->par[1]) {
+	case 0:
+		rim = 0;
+		break;
+	case 0x20:
+		rim = 2;
+		break;
+	case 0x40:
+		rim = 3;
+		break;
+	case 0x41:
+		rim = 4;
+		break;
+	case 0x51:
+		rim = 5;
+		break;
+	case 0x61:
+		rim = 6;
+		break;
+	case 0x71:
+		rim = 7;
+		break;
+	case 0x82:
+		rim = 8;
+		break;
+	case 0x92:
+		rim = 9;
+		break;
+	case 0xa2:
+		rim = 10;
+		break;
+	default:
+		rim = 1;
+		break;
+	}
+	sprintf(bcs->hw.isar.conmsg, "%s %s", dmril[ril], dmrim[rim]);
+	bcs->conmsg = bcs->hw.isar.conmsg;
+	if (cs->debug & L1_DEB_HSCX)
+		debugl1(cs, "pump strsp %s", bcs->conmsg);
+}
+
+static void
+isar_pump_statev_modem(struct BCState *bcs, u_char devt) {
+	struct IsdnCardState *cs = bcs->cs;
+	u_char dps = SET_DPS(bcs->hw.isar.dpath);
+
+	switch (devt) {
+	case PSEV_10MS_TIMER:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev TIMER");
+		break;
+	case PSEV_CON_ON:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev CONNECT");
+		l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL);
+		break;
+	case PSEV_CON_OFF:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev NO CONNECT");
+		sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+		l1_msg_b(bcs->st, PH_DEACTIVATE | REQUEST, NULL);
+		break;
+	case PSEV_V24_OFF:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev V24 OFF");
+		break;
+	case PSEV_CTS_ON:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev CTS ON");
+		break;
+	case PSEV_CTS_OFF:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev CTS OFF");
+		break;
+	case PSEV_DCD_ON:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev CARRIER ON");
+		test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags);
+		sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+		break;
+	case PSEV_DCD_OFF:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev CARRIER OFF");
+		break;
+	case PSEV_DSR_ON:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev DSR ON");
+		break;
+	case PSEV_DSR_OFF:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev DSR_OFF");
+		break;
+	case PSEV_REM_RET:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev REMOTE RETRAIN");
+		break;
+	case PSEV_REM_REN:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev REMOTE RENEGOTIATE");
+		break;
+	case PSEV_GSTN_CLR:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev GSTN CLEAR");
+		break;
+	default:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "unknown pump stev %x", devt);
+		break;
+	}
+}
+
+static void
+ll_deliver_faxstat(struct BCState *bcs, u_char status)
+{
+	isdn_ctrl ic;
+	struct Channel *chanp = (struct Channel *) bcs->st->lli.userdata;
+
+	if (bcs->cs->debug & L1_DEB_HSCX)
+		debugl1(bcs->cs, "HL->LL FAXIND %x", status);
+	ic.driver = bcs->cs->myid;
+	ic.command = ISDN_STAT_FAXIND;
+	ic.arg = chanp->chan;
+	ic.parm.aux.cmd = status;
+	bcs->cs->iif.statcallb(&ic);
+}
+
+static void
+isar_pump_statev_fax(struct BCState *bcs, u_char devt) {
+	struct IsdnCardState *cs = bcs->cs;
+	u_char dps = SET_DPS(bcs->hw.isar.dpath);
+	u_char p1;
+
+	switch (devt) {
+	case PSEV_10MS_TIMER:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev TIMER");
+		break;
+	case PSEV_RSP_READY:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev RSP_READY");
+		bcs->hw.isar.state = STFAX_READY;
+		l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL);
+		if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
+			isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FRH, 3);
+		} else {
+			isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FTH, 3);
+		}
+		break;
+	case PSEV_LINE_TX_H:
+		if (bcs->hw.isar.state == STFAX_LINE) {
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "pump stev LINE_TX_H");
+			bcs->hw.isar.state = STFAX_CONT;
+			sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "pump stev LINE_TX_H wrong st %x",
+					bcs->hw.isar.state);
+		}
+		break;
+	case PSEV_LINE_RX_H:
+		if (bcs->hw.isar.state == STFAX_LINE) {
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "pump stev LINE_RX_H");
+			bcs->hw.isar.state = STFAX_CONT;
+			sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "pump stev LINE_RX_H wrong st %x",
+					bcs->hw.isar.state);
+		}
+		break;
+	case PSEV_LINE_TX_B:
+		if (bcs->hw.isar.state == STFAX_LINE) {
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "pump stev LINE_TX_B");
+			bcs->hw.isar.state = STFAX_CONT;
+			sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "pump stev LINE_TX_B wrong st %x",
+					bcs->hw.isar.state);
+		}
+		break;
+	case PSEV_LINE_RX_B:
+		if (bcs->hw.isar.state == STFAX_LINE) {
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "pump stev LINE_RX_B");
+			bcs->hw.isar.state = STFAX_CONT;
+			sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "pump stev LINE_RX_B wrong st %x",
+					bcs->hw.isar.state);
+		}
+		break;
+	case PSEV_RSP_CONN:
+		if (bcs->hw.isar.state == STFAX_CONT) {
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "pump stev RSP_CONN");
+			bcs->hw.isar.state = STFAX_ACTIV;
+			test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags);
+			sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+			if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
+				/* 1s Flags before data */
+				if (test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag))
+					del_timer(&bcs->hw.isar.ftimer);
+				/* 1000 ms */
+				bcs->hw.isar.ftimer.expires =
+					jiffies + ((1000 * HZ) / 1000);
+				test_and_set_bit(BC_FLG_LL_CONN,
+						 &bcs->Flag);
+				add_timer(&bcs->hw.isar.ftimer);
+			} else {
+				schedule_event(bcs, B_LL_CONNECT);
+			}
+		} else {
+			if (cs->debug & L1_DEB_WARN)
+				debugl1(cs, "pump stev RSP_CONN wrong st %x",
+					bcs->hw.isar.state);
+		}
+		break;
+	case PSEV_FLAGS_DET:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev FLAGS_DET");
+		break;
+	case PSEV_RSP_DISC:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev RSP_DISC");
+		if (bcs->hw.isar.state == STFAX_ESCAPE) {
+			p1 = 5;
+			switch (bcs->hw.isar.newcmd) {
+			case 0:
+				bcs->hw.isar.state = STFAX_READY;
+				break;
+			case PCTRL_CMD_FTM:
+				p1 = 2;
+			case PCTRL_CMD_FTH:
+				sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
+					PCTRL_CMD_SILON, 1, &p1);
+				bcs->hw.isar.state = STFAX_SILDET;
+				break;
+			case PCTRL_CMD_FRM:
+				if (frm_extra_delay)
+					mdelay(frm_extra_delay);
+			case PCTRL_CMD_FRH:
+				p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod;
+				bcs->hw.isar.newmod = 0;
+				bcs->hw.isar.cmd = bcs->hw.isar.newcmd;
+				bcs->hw.isar.newcmd = 0;
+				sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
+					bcs->hw.isar.cmd, 1, &p1);
+				bcs->hw.isar.state = STFAX_LINE;
+				bcs->hw.isar.try_mod = 3;
+				break;
+			default:
+				if (cs->debug & L1_DEB_HSCX)
+					debugl1(cs, "RSP_DISC unknown newcmd %x", bcs->hw.isar.newcmd);
+				break;
+			}
+		} else if (bcs->hw.isar.state == STFAX_ACTIV) {
+			if (test_and_clear_bit(BC_FLG_LL_OK, &bcs->Flag)) {
+				schedule_event(bcs, B_LL_OK);
+			} else if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
+				send_DLE_ETX(bcs);
+				schedule_event(bcs, B_LL_NOCARRIER);
+			} else {
+				ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
+			}
+			bcs->hw.isar.state = STFAX_READY;
+		} else {
+			bcs->hw.isar.state = STFAX_READY;
+			ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
+		}
+		break;
+	case PSEV_RSP_SILDET:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev RSP_SILDET");
+		if (bcs->hw.isar.state == STFAX_SILDET) {
+			p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod;
+			bcs->hw.isar.newmod = 0;
+			bcs->hw.isar.cmd = bcs->hw.isar.newcmd;
+			bcs->hw.isar.newcmd = 0;
+			sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
+				bcs->hw.isar.cmd, 1, &p1);
+			bcs->hw.isar.state = STFAX_LINE;
+			bcs->hw.isar.try_mod = 3;
+		}
+		break;
+	case PSEV_RSP_SILOFF:
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev RSP_SILOFF");
+		break;
+	case PSEV_RSP_FCERR:
+		if (bcs->hw.isar.state == STFAX_LINE) {
+			if (cs->debug & L1_DEB_HSCX)
+				debugl1(cs, "pump stev RSP_FCERR try %d",
+					bcs->hw.isar.try_mod);
+			if (bcs->hw.isar.try_mod--) {
+				sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
+					bcs->hw.isar.cmd, 1,
+					&bcs->hw.isar.mod);
+				break;
+			}
+		}
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "pump stev RSP_FCERR");
+		bcs->hw.isar.state = STFAX_ESCAPE;
+		sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
+		ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
+		break;
+	default:
+		break;
+	}
+}
+
+static char debbuf[128];
+
+void
+isar_int_main(struct IsdnCardState *cs)
+{
+	struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
+	struct BCState *bcs;
+
+	get_irq_infos(cs, ireg);
+	switch (ireg->iis & ISAR_IIS_MSCMSD) {
+	case ISAR_IIS_RDATA:
+		if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
+			isar_rcv_frame(cs, bcs);
+		} else {
+			debugl1(cs, "isar spurious IIS_RDATA %x/%x/%x",
+				ireg->iis, ireg->cmsb, ireg->clsb);
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		}
+		break;
+	case ISAR_IIS_GSTEV:
+		cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		ireg->bstat |= ireg->cmsb;
+		check_send(cs, ireg->cmsb);
+		break;
+	case ISAR_IIS_BSTEV:
+#ifdef ERROR_STATISTIC
+		if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
+			if (ireg->cmsb == BSTEV_TBO)
+				bcs->err_tx++;
+			if (ireg->cmsb == BSTEV_RBO)
+				bcs->err_rdo++;
+		}
+#endif
+		if (cs->debug & L1_DEB_WARN)
+			debugl1(cs, "Buffer STEV dpath%d msb(%x)",
+				ireg->iis >> 6, ireg->cmsb);
+		cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		break;
+	case ISAR_IIS_PSTEV:
+		if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
+			rcv_mbox(cs, ireg, (u_char *)ireg->par);
+			if (bcs->mode == L1_MODE_V32) {
+				isar_pump_statev_modem(bcs, ireg->cmsb);
+			} else if (bcs->mode == L1_MODE_FAX) {
+				isar_pump_statev_fax(bcs, ireg->cmsb);
+			} else if (ireg->cmsb == PSEV_10MS_TIMER) {
+				if (cs->debug & L1_DEB_HSCX)
+					debugl1(cs, "pump stev TIMER");
+			} else {
+				if (cs->debug & L1_DEB_WARN)
+					debugl1(cs, "isar IIS_PSTEV pmode %d stat %x",
+						bcs->mode, ireg->cmsb);
+			}
+		} else {
+			debugl1(cs, "isar spurious IIS_PSTEV %x/%x/%x",
+				ireg->iis, ireg->cmsb, ireg->clsb);
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		}
+		break;
+	case ISAR_IIS_PSTRSP:
+		if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
+			rcv_mbox(cs, ireg, (u_char *)ireg->par);
+			isar_pump_status_rsp(bcs, ireg);
+		} else {
+			debugl1(cs, "isar spurious IIS_PSTRSP %x/%x/%x",
+				ireg->iis, ireg->cmsb, ireg->clsb);
+			cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
+		}
+		break;
+	case ISAR_IIS_DIAG:
+	case ISAR_IIS_BSTRSP:
+	case ISAR_IIS_IOM2RSP:
+		rcv_mbox(cs, ireg, (u_char *)ireg->par);
+		if ((cs->debug & (L1_DEB_HSCX | L1_DEB_HSCX_FIFO))
+		    == L1_DEB_HSCX) {
+			u_char *tp = debbuf;
+
+			tp += sprintf(debbuf, "msg iis(%x) msb(%x)",
+				      ireg->iis, ireg->cmsb);
+			QuickHex(tp, (u_char *)ireg->par, ireg->clsb);
+			debugl1(cs, "%s", debbuf);
+		}
+		break;
+	case ISAR_IIS_INVMSG:
+		rcv_mbox(cs, ireg, debbuf);
+		if (cs->debug & L1_DEB_WARN)
+			debugl1(cs, "invalid msg his:%x",
+				ireg->cmsb);
+		break;
+	default:
+		rcv_mbox(cs, ireg, debbuf);
+		if (cs->debug & L1_DEB_WARN)
+			debugl1(cs, "unhandled msg iis(%x) ctrl(%x/%x)",
+				ireg->iis, ireg->cmsb, ireg->clsb);
+		break;
+	}
+}
+
+static void
+ftimer_handler(struct BCState *bcs) {
+	if (bcs->cs->debug)
+		debugl1(bcs->cs, "ftimer flags %04lx",
+			bcs->Flag);
+	test_and_clear_bit(BC_FLG_FTI_RUN, &bcs->Flag);
+	if (test_and_clear_bit(BC_FLG_LL_CONN, &bcs->Flag)) {
+		schedule_event(bcs, B_LL_CONNECT);
+	}
+	if (test_and_clear_bit(BC_FLG_FTI_FTS, &bcs->Flag)) {
+		schedule_event(bcs, B_LL_OK);
+	}
+}
+
+static void
+setup_pump(struct BCState *bcs) {
+	struct IsdnCardState *cs = bcs->cs;
+	u_char dps = SET_DPS(bcs->hw.isar.dpath);
+	u_char ctrl, param[6];
+
+	switch (bcs->mode) {
+	case L1_MODE_NULL:
+	case L1_MODE_TRANS:
+	case L1_MODE_HDLC:
+		sendmsg(cs, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL);
+		break;
+	case L1_MODE_V32:
+		ctrl = PMOD_DATAMODEM;
+		if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
+			ctrl |= PCTRL_ORIG;
+			param[5] = PV32P6_CTN;
+		} else {
+			param[5] = PV32P6_ATN;
+		}
+		param[0] = para_TOA; /* 6 db */
+		param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B |
+			PV32P2_V22C | PV32P2_V21 | PV32P2_BEL;
+		param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B;
+		param[3] = PV32P4_UT144;
+		param[4] = PV32P5_UT144;
+		sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param);
+		break;
+	case L1_MODE_FAX:
+		ctrl = PMOD_FAX;
+		if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
+			ctrl |= PCTRL_ORIG;
+			param[1] = PFAXP2_CTN;
+		} else {
+			param[1] = PFAXP2_ATN;
+		}
+		param[0] = para_TOA; /* 6 db */
+		sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param);
+		bcs->hw.isar.state = STFAX_NULL;
+		bcs->hw.isar.newcmd = 0;
+		bcs->hw.isar.newmod = 0;
+		test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag);
+		break;
+	}
+	udelay(1000);
+	sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+	udelay(1000);
+}
+
+static void
+setup_sart(struct BCState *bcs) {
+	struct IsdnCardState *cs = bcs->cs;
+	u_char dps = SET_DPS(bcs->hw.isar.dpath);
+	u_char ctrl, param[2];
+
+	switch (bcs->mode) {
+	case L1_MODE_NULL:
+		sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, 0,
+			NULL);
+		break;
+	case L1_MODE_TRANS:
+		sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, 2,
+			"\0\0");
+		break;
+	case L1_MODE_HDLC:
+		param[0] = 0;
+		sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, 1,
+			param);
+		break;
+	case L1_MODE_V32:
+		ctrl = SMODE_V14 | SCTRL_HDMC_BOTH;
+		param[0] = S_P1_CHS_8;
+		param[1] = S_P2_BFT_DEF;
+		sendmsg(cs, dps | ISAR_HIS_SARTCFG, ctrl, 2,
+			param);
+		break;
+	case L1_MODE_FAX:
+		/* SART must not configured with FAX */
+		break;
+	}
+	udelay(1000);
+	sendmsg(cs, dps | ISAR_HIS_BSTREQ, 0, 0, NULL);
+	udelay(1000);
+}
+
+static void
+setup_iom2(struct BCState *bcs) {
+	struct IsdnCardState *cs = bcs->cs;
+	u_char dps = SET_DPS(bcs->hw.isar.dpath);
+	u_char cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD, 0, 0, 0, 0};
+
+	if (bcs->channel)
+		msg[1] = msg[3] = 1;
+	switch (bcs->mode) {
+	case L1_MODE_NULL:
+		cmsb = 0;
+		/* dummy slot */
+		msg[1] = msg[3] = bcs->hw.isar.dpath + 2;
+		break;
+	case L1_MODE_TRANS:
+	case L1_MODE_HDLC:
+		break;
+	case L1_MODE_V32:
+	case L1_MODE_FAX:
+		cmsb |= IOM_CTRL_ALAW | IOM_CTRL_RCV;
+		break;
+	}
+	sendmsg(cs, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg);
+	udelay(1000);
+	sendmsg(cs, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL);
+	udelay(1000);
+}
+
+static int
+modeisar(struct BCState *bcs, int mode, int bc)
+{
+	struct IsdnCardState *cs = bcs->cs;
+
+	/* Here we are selecting the best datapath for requested mode */
+	if (bcs->mode == L1_MODE_NULL) { /* New Setup */
+		bcs->channel = bc;
+		switch (mode) {
+		case L1_MODE_NULL: /* init */
+			if (!bcs->hw.isar.dpath)
+				/* no init for dpath 0 */
+				return (0);
+			break;
+		case L1_MODE_TRANS:
+		case L1_MODE_HDLC:
+			/* best is datapath 2 */
+			if (!test_and_set_bit(ISAR_DP2_USE,
+					      &bcs->hw.isar.reg->Flags))
+				bcs->hw.isar.dpath = 2;
+			else if (!test_and_set_bit(ISAR_DP1_USE,
+						   &bcs->hw.isar.reg->Flags))
+				bcs->hw.isar.dpath = 1;
+			else {
+				printk(KERN_WARNING"isar modeisar both paths in use\n");
+				return (1);
+			}
+			break;
+		case L1_MODE_V32:
+		case L1_MODE_FAX:
+			/* only datapath 1 */
+			if (!test_and_set_bit(ISAR_DP1_USE,
+					      &bcs->hw.isar.reg->Flags))
+				bcs->hw.isar.dpath = 1;
+			else {
+				printk(KERN_WARNING"isar modeisar analog functions only with DP1\n");
+				debugl1(cs, "isar modeisar analog functions only with DP1");
+				return (1);
+			}
+			break;
+		}
+	}
+	if (cs->debug & L1_DEB_HSCX)
+		debugl1(cs, "isar dp%d mode %d->%d ichan %d",
+			bcs->hw.isar.dpath, bcs->mode, mode, bc);
+	bcs->mode = mode;
+	setup_pump(bcs);
+	setup_iom2(bcs);
+	setup_sart(bcs);
+	if (bcs->mode == L1_MODE_NULL) {
+		/* Clear resources */
+		if (bcs->hw.isar.dpath == 1)
+			test_and_clear_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags);
+		else if (bcs->hw.isar.dpath == 2)
+			test_and_clear_bit(ISAR_DP2_USE, &bcs->hw.isar.reg->Flags);
+		bcs->hw.isar.dpath = 0;
+	}
+	return (0);
+}
+
+static void
+isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para)
+{
+	struct IsdnCardState *cs = bcs->cs;
+	u_char dps = SET_DPS(bcs->hw.isar.dpath);
+	u_char ctrl = 0, nom = 0, p1 = 0;
+
+	switch (cmd) {
+	case ISDN_FAX_CLASS1_FTM:
+		test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
+		if (bcs->hw.isar.state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FTM;
+			nom = 1;
+			bcs->hw.isar.state = STFAX_LINE;
+			bcs->hw.isar.cmd = ctrl;
+			bcs->hw.isar.mod = para;
+			bcs->hw.isar.newmod = 0;
+			bcs->hw.isar.newcmd = 0;
+			bcs->hw.isar.try_mod = 3;
+		} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
+			   (bcs->hw.isar.cmd == PCTRL_CMD_FTM) &&
+			   (bcs->hw.isar.mod == para)) {
+			ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
+		} else {
+			bcs->hw.isar.newmod = para;
+			bcs->hw.isar.newcmd = PCTRL_CMD_FTM;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			bcs->hw.isar.state = STFAX_ESCAPE;
+		}
+		break;
+	case ISDN_FAX_CLASS1_FTH:
+		test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
+		if (bcs->hw.isar.state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FTH;
+			nom = 1;
+			bcs->hw.isar.state = STFAX_LINE;
+			bcs->hw.isar.cmd = ctrl;
+			bcs->hw.isar.mod = para;
+			bcs->hw.isar.newmod = 0;
+			bcs->hw.isar.newcmd = 0;
+			bcs->hw.isar.try_mod = 3;
+		} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
+			   (bcs->hw.isar.cmd == PCTRL_CMD_FTH) &&
+			   (bcs->hw.isar.mod == para)) {
+			ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
+		} else {
+			bcs->hw.isar.newmod = para;
+			bcs->hw.isar.newcmd = PCTRL_CMD_FTH;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			bcs->hw.isar.state = STFAX_ESCAPE;
+		}
+		break;
+	case ISDN_FAX_CLASS1_FRM:
+		test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
+		if (bcs->hw.isar.state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FRM;
+			nom = 1;
+			bcs->hw.isar.state = STFAX_LINE;
+			bcs->hw.isar.cmd = ctrl;
+			bcs->hw.isar.mod = para;
+			bcs->hw.isar.newmod = 0;
+			bcs->hw.isar.newcmd = 0;
+			bcs->hw.isar.try_mod = 3;
+		} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
+			   (bcs->hw.isar.cmd == PCTRL_CMD_FRM) &&
+			   (bcs->hw.isar.mod == para)) {
+			ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
+		} else {
+			bcs->hw.isar.newmod = para;
+			bcs->hw.isar.newcmd = PCTRL_CMD_FRM;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			bcs->hw.isar.state = STFAX_ESCAPE;
+		}
+		break;
+	case ISDN_FAX_CLASS1_FRH:
+		test_and_set_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
+		if (bcs->hw.isar.state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FRH;
+			nom = 1;
+			bcs->hw.isar.state = STFAX_LINE;
+			bcs->hw.isar.cmd = ctrl;
+			bcs->hw.isar.mod = para;
+			bcs->hw.isar.newmod = 0;
+			bcs->hw.isar.newcmd = 0;
+			bcs->hw.isar.try_mod = 3;
+		} else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
+			   (bcs->hw.isar.cmd == PCTRL_CMD_FRH) &&
+			   (bcs->hw.isar.mod == para)) {
+			ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
+		} else {
+			bcs->hw.isar.newmod = para;
+			bcs->hw.isar.newcmd = PCTRL_CMD_FRH;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			bcs->hw.isar.state = STFAX_ESCAPE;
+		}
+		break;
+	case ISDN_FAXPUMP_HALT:
+		bcs->hw.isar.state = STFAX_NULL;
+		nom = 0;
+		ctrl = PCTRL_CMD_HALT;
+		break;
+	}
+	if (ctrl)
+		sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1);
+}
+
+static void
+isar_setup(struct IsdnCardState *cs)
+{
+	u_char msg;
+	int i;
+
+	/* Dpath 1, 2 */
+	msg = 61;
+	for (i = 0; i < 2; i++) {
+		/* Buffer Config */
+		sendmsg(cs, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |
+			ISAR_HIS_P12CFG, 4, 1, &msg);
+		cs->bcs[i].hw.isar.mml = msg;
+		cs->bcs[i].mode = 0;
+		cs->bcs[i].hw.isar.dpath = i + 1;
+		modeisar(&cs->bcs[i], 0, 0);
+		INIT_WORK(&cs->bcs[i].tqueue, isar_bh);
+	}
+}
+
+static void
+isar_l2l1(struct PStack *st, int pr, void *arg)
+{
+	struct BCState *bcs = st->l1.bcs;
+	struct sk_buff *skb = arg;
+	int ret;
+	u_long flags;
+
+	switch (pr) {
+	case (PH_DATA | REQUEST):
+		spin_lock_irqsave(&bcs->cs->lock, flags);
+		if (bcs->tx_skb) {
+			skb_queue_tail(&bcs->squeue, skb);
+		} else {
+			bcs->tx_skb = skb;
+			test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
+			if (bcs->cs->debug & L1_DEB_HSCX)
+				debugl1(bcs->cs, "DRQ set BC_FLG_BUSY");
+			bcs->hw.isar.txcnt = 0;
+			bcs->cs->BC_Send_Data(bcs);
+		}
+		spin_unlock_irqrestore(&bcs->cs->lock, flags);
+		break;
+	case (PH_PULL | INDICATION):
+		spin_lock_irqsave(&bcs->cs->lock, flags);
+		if (bcs->tx_skb) {
+			printk(KERN_WARNING "isar_l2l1: this shouldn't happen\n");
+		} else {
+			test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
+			if (bcs->cs->debug & L1_DEB_HSCX)
+				debugl1(bcs->cs, "PUI set BC_FLG_BUSY");
+			bcs->tx_skb = skb;
+			bcs->hw.isar.txcnt = 0;
+			bcs->cs->BC_Send_Data(bcs);
+		}
+		spin_unlock_irqrestore(&bcs->cs->lock, flags);
+		break;
+	case (PH_PULL | REQUEST):
+		if (!bcs->tx_skb) {
+			test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+			st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
+		} else
+			test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+		break;
+	case (PH_ACTIVATE | REQUEST):
+		spin_lock_irqsave(&bcs->cs->lock, flags);
+		test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
+		bcs->hw.isar.conmsg[0] = 0;
+		if (test_bit(FLG_ORIG, &st->l2.flag))
+			test_and_set_bit(BC_FLG_ORIG, &bcs->Flag);
+		else
+			test_and_clear_bit(BC_FLG_ORIG, &bcs->Flag);
+		switch (st->l1.mode) {
+		case L1_MODE_TRANS:
+		case L1_MODE_HDLC:
+			ret = modeisar(bcs, st->l1.mode, st->l1.bc);
+			spin_unlock_irqrestore(&bcs->cs->lock, flags);
+			if (ret)
+				l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg);
+			else
+				l1_msg_b(st, PH_ACTIVATE | REQUEST, arg);
+			break;
+		case L1_MODE_V32:
+		case L1_MODE_FAX:
+			ret = modeisar(bcs, st->l1.mode, st->l1.bc);
+			spin_unlock_irqrestore(&bcs->cs->lock, flags);
+			if (ret)
+				l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg);
+			break;
+		default:
+			spin_unlock_irqrestore(&bcs->cs->lock, flags);
+			break;
+		}
+		break;
+	case (PH_DEACTIVATE | REQUEST):
+		l1_msg_b(st, pr, arg);
+		break;
+	case (PH_DEACTIVATE | CONFIRM):
+		spin_lock_irqsave(&bcs->cs->lock, flags);
+		switch (st->l1.mode) {
+		case L1_MODE_TRANS:
+		case L1_MODE_HDLC:
+		case L1_MODE_V32:
+			break;
+		case L1_MODE_FAX:
+			isar_pump_cmd(bcs, ISDN_FAXPUMP_HALT, 0);
+			break;
+		}
+		test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
+		test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+		if (bcs->cs->debug & L1_DEB_HSCX)
+			debugl1(bcs->cs, "PDAC clear BC_FLG_BUSY");
+		modeisar(bcs, 0, st->l1.bc);
+		spin_unlock_irqrestore(&bcs->cs->lock, flags);
+		st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
+		break;
+	}
+}
+
+static void
+close_isarstate(struct BCState *bcs)
+{
+	modeisar(bcs, 0, bcs->channel);
+	if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
+		kfree(bcs->hw.isar.rcvbuf);
+		bcs->hw.isar.rcvbuf = NULL;
+		skb_queue_purge(&bcs->rqueue);
+		skb_queue_purge(&bcs->squeue);
+		if (bcs->tx_skb) {
+			dev_kfree_skb_any(bcs->tx_skb);
+			bcs->tx_skb = NULL;
+			test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+			if (bcs->cs->debug & L1_DEB_HSCX)
+				debugl1(bcs->cs, "closeisar clear BC_FLG_BUSY");
+		}
+	}
+	del_timer(&bcs->hw.isar.ftimer);
+}
+
+static int
+open_isarstate(struct IsdnCardState *cs, struct BCState *bcs)
+{
+	if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
+		if (!(bcs->hw.isar.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
+			printk(KERN_WARNING
+			       "HiSax: No memory for isar.rcvbuf\n");
+			return (1);
+		}
+		skb_queue_head_init(&bcs->rqueue);
+		skb_queue_head_init(&bcs->squeue);
+	}
+	bcs->tx_skb = NULL;
+	test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
+	if (cs->debug & L1_DEB_HSCX)
+		debugl1(cs, "openisar clear BC_FLG_BUSY");
+	bcs->event = 0;
+	bcs->hw.isar.rcvidx = 0;
+	bcs->tx_cnt = 0;
+	return (0);
+}
+
+static int
+setstack_isar(struct PStack *st, struct BCState *bcs)
+{
+	bcs->channel = st->l1.bc;
+	if (open_isarstate(st->l1.hardware, bcs))
+		return (-1);
+	st->l1.bcs = bcs;
+	st->l2.l2l1 = isar_l2l1;
+	setstack_manager(st);
+	bcs->st = st;
+	setstack_l1_B(st);
+	return (0);
+}
+
+int
+isar_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) {
+	u_long adr;
+	int features, i;
+	struct BCState *bcs;
+
+	if (cs->debug & L1_DEB_HSCX)
+		debugl1(cs, "isar_auxcmd cmd/ch %x/%ld", ic->command, ic->arg);
+	switch (ic->command) {
+	case (ISDN_CMD_FAXCMD):
+		bcs = cs->channel[ic->arg].bcs;
+		if (cs->debug & L1_DEB_HSCX)
+			debugl1(cs, "isar_auxcmd cmd/subcmd %d/%d",
+				ic->parm.aux.cmd, ic->parm.aux.subcmd);
+		switch (ic->parm.aux.cmd) {
+		case ISDN_FAX_CLASS1_CTRL:
+			if (ic->parm.aux.subcmd == ETX)
+				test_and_set_bit(BC_FLG_DLEETX,
+						 &bcs->Flag);
+			break;
+		case ISDN_FAX_CLASS1_FTS:
+			if (ic->parm.aux.subcmd == AT_QUERY) {
+				ic->command = ISDN_STAT_FAXIND;
+				ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK;
+				cs->iif.statcallb(ic);
+				return (0);
+			} else if (ic->parm.aux.subcmd == AT_EQ_QUERY) {
+				strcpy(ic->parm.aux.para, "0-255");
+				ic->command = ISDN_STAT_FAXIND;
+				ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
+				cs->iif.statcallb(ic);
+				return (0);
+			} else if (ic->parm.aux.subcmd == AT_EQ_VALUE) {
+				if (cs->debug & L1_DEB_HSCX)
+					debugl1(cs, "isar_auxcmd %s=%d",
+						FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]);
+				if (bcs->hw.isar.state == STFAX_READY) {
+					if (!ic->parm.aux.para[0]) {
+						ic->command = ISDN_STAT_FAXIND;
+						ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK;
+						cs->iif.statcallb(ic);
+						return (0);
+					}
+					if (!test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag)) {
+						/* n*10 ms */
+						bcs->hw.isar.ftimer.expires =
+							jiffies + ((ic->parm.aux.para[0] * 10 * HZ) / 1000);
+						test_and_set_bit(BC_FLG_FTI_FTS, &bcs->Flag);
+						add_timer(&bcs->hw.isar.ftimer);
+						return (0);
+					} else {
+						if (cs->debug)
+							debugl1(cs, "isar FTS=%d and FTI busy",
+								ic->parm.aux.para[0]);
+					}
+				} else {
+					if (cs->debug)
+						debugl1(cs, "isar FTS=%d and isar.state not ready(%x)",
+							ic->parm.aux.para[0], bcs->hw.isar.state);
+				}
+				ic->command = ISDN_STAT_FAXIND;
+				ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR;
+				cs->iif.statcallb(ic);
+			}
+			break;
+		case ISDN_FAX_CLASS1_FRM:
+		case ISDN_FAX_CLASS1_FRH:
+		case ISDN_FAX_CLASS1_FTM:
+		case ISDN_FAX_CLASS1_FTH:
+			if (ic->parm.aux.subcmd == AT_QUERY) {
+				sprintf(ic->parm.aux.para,
+					"%d", bcs->hw.isar.mod);
+				ic->command = ISDN_STAT_FAXIND;
+				ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
+				cs->iif.statcallb(ic);
+				return (0);
+			} else if (ic->parm.aux.subcmd == AT_EQ_QUERY) {
+				char *p = ic->parm.aux.para;
+				for (i = 0; i < FAXMODCNT; i++)
+					if ((1 << i) & modmask)
+						p += sprintf(p, "%d,", faxmodulation[i]);
+				p--;
+				*p = 0;
+				ic->command = ISDN_STAT_FAXIND;
+				ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
+				cs->iif.statcallb(ic);
+				return (0);
+			} else if (ic->parm.aux.subcmd == AT_EQ_VALUE) {
+				if (cs->debug & L1_DEB_HSCX)
+					debugl1(cs, "isar_auxcmd %s=%d",
+						FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]);
+				for (i = 0; i < FAXMODCNT; i++)
+					if (faxmodulation[i] == ic->parm.aux.para[0])
+						break;
+				if ((i < FAXMODCNT) && ((1 << i) & modmask) &&
+				    test_bit(BC_FLG_INIT, &bcs->Flag)) {
+					isar_pump_cmd(bcs,
+						      ic->parm.aux.cmd,
+						      ic->parm.aux.para[0]);
+					return (0);
+				}
+			}
+			/* wrong modulation or not activ */
+			/* fall through */
+		default:
+			ic->command = ISDN_STAT_FAXIND;
+			ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR;
+			cs->iif.statcallb(ic);
+		}
+		break;
+	case (ISDN_CMD_IOCTL):
+		switch (ic->arg) {
+		case 9: /* load firmware */
+			features = ISDN_FEATURE_L2_MODEM |
+				ISDN_FEATURE_L2_FAX |
+				ISDN_FEATURE_L3_FCLASS1;
+			memcpy(&adr, ic->parm.num, sizeof(ulong));
+			if (isar_load_firmware(cs, (u_char __user *)adr))
+				return (1);
+			else
+				ll_run(cs, features);
+			break;
+		case 20:
+			features = *(unsigned int *) ic->parm.num;
+			printk(KERN_DEBUG "HiSax: max modulation old(%04x) new(%04x)\n",
+			       modmask, features);
+			modmask = features;
+			break;
+		case 21:
+			features = *(unsigned int *) ic->parm.num;
+			printk(KERN_DEBUG "HiSax: FRM extra delay old(%d) new(%d) ms\n",
+			       frm_extra_delay, features);
+			if (features >= 0)
+				frm_extra_delay = features;
+			break;
+		case 22:
+			features = *(unsigned int *) ic->parm.num;
+			printk(KERN_DEBUG "HiSax: TOA old(%d) new(%d) db\n",
+			       para_TOA, features);
+			if (features >= 0 && features < 32)
+				para_TOA = features;
+			break;
+		default:
+			printk(KERN_DEBUG "HiSax: invalid ioctl %d\n",
+			       (int) ic->arg);
+			return (-EINVAL);
+		}
+		break;
+	default:
+		return (-EINVAL);
+	}
+	return (0);
+}
+
+void initisar(struct IsdnCardState *cs)
+{
+	cs->bcs[0].BC_SetStack = setstack_isar;
+	cs->bcs[1].BC_SetStack = setstack_isar;
+	cs->bcs[0].BC_Close = close_isarstate;
+	cs->bcs[1].BC_Close = close_isarstate;
+	cs->bcs[0].hw.isar.ftimer.function = (void *) ftimer_handler;
+	cs->bcs[0].hw.isar.ftimer.data = (long) &cs->bcs[0];
+	init_timer(&cs->bcs[0].hw.isar.ftimer);
+	cs->bcs[1].hw.isar.ftimer.function = (void *) ftimer_handler;
+	cs->bcs[1].hw.isar.ftimer.data = (long) &cs->bcs[1];
+	init_timer(&cs->bcs[1].hw.isar.ftimer);
+}