Merge commit 'origin/master' into next

47 files changed, 1153 insertions, 585 deletions

diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig
index 3d113c6e4a7..02bdca6f95c 100644
--- a/drivers/isdn/Kconfig
+++ b/drivers/isdn/Kconfig
@@ -61,4 +61,6 @@ source "drivers/isdn/hardware/Kconfig"
 
 endif # ISDN_CAPI
 
+source "drivers/isdn/gigaset/Kconfig"
+
 endif # ISDN
diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c
index 29419a8d31d..16f2e465e5f 100644
--- a/drivers/isdn/capi/capiutil.c
+++ b/drivers/isdn/capi/capiutil.c
@@ -490,7 +490,14 @@ static void pars_2_message(_cmsg * cmsg)
 	}
 }
 
-/*-------------------------------------------------------*/
+/**
+ * capi_cmsg2message() - assemble CAPI 2.0 message from _cmsg structure
+ * @cmsg:	_cmsg structure
+ * @msg:	buffer for assembled message
+ *
+ * Return value: 0 for success
+ */
+
 unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg)
 {
 	cmsg->m = msg;
@@ -553,7 +560,14 @@ static void message_2_pars(_cmsg * cmsg)
 	}
 }
 
-/*-------------------------------------------------------*/
+/**
+ * capi_message2cmsg() - disassemble CAPI 2.0 message into _cmsg structure
+ * @cmsg:	_cmsg structure
+ * @msg:	buffer for assembled message
+ *
+ * Return value: 0 for success
+ */
+
 unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg)
 {
 	memset(cmsg, 0, sizeof(_cmsg));
@@ -573,7 +587,18 @@ unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg)
 	return 0;
 }
 
-/*-------------------------------------------------------*/
+/**
+ * capi_cmsg_header() - initialize header part of _cmsg structure
+ * @cmsg:	_cmsg structure
+ * @_ApplId:	ApplID field value
+ * @_Command:	Command field value
+ * @_Subcommand:	Subcommand field value
+ * @_Messagenumber:	Message Number field value
+ * @_Controller:	Controller/PLCI/NCCI field value
+ *
+ * Return value: 0 for success
+ */
+
 unsigned capi_cmsg_header(_cmsg * cmsg, u16 _ApplId,
 			  u8 _Command, u8 _Subcommand,
 			  u16 _Messagenumber, u32 _Controller)
@@ -641,6 +666,14 @@ static char *mnames[] =
 	[0x4e] = "MANUFACTURER_RESP"
 };
 
+/**
+ * capi_cmd2str() - convert CAPI 2.0 command/subcommand number to name
+ * @cmd:	command number
+ * @subcmd:	subcommand number
+ *
+ * Return value: static string, NULL if command/subcommand unknown
+ */
+
 char *capi_cmd2str(u8 cmd, u8 subcmd)
 {
 	return mnames[command_2_index(cmd, subcmd)];
@@ -879,6 +912,11 @@ init:
 	return cdb;
 }
 
+/**
+ * cdebbuf_free() - free CAPI debug buffer
+ * @cdb:	buffer to free
+ */
+
 void cdebbuf_free(_cdebbuf *cdb)
 {
 	if (likely(cdb == g_debbuf)) {
@@ -891,6 +929,16 @@ void cdebbuf_free(_cdebbuf *cdb)
 }
 
 
+/**
+ * capi_message2str() - format CAPI 2.0 message for printing
+ * @msg:	CAPI 2.0 message
+ *
+ * Allocates a CAPI debug buffer and fills it with a printable representation
+ * of the CAPI 2.0 message in @msg.
+ * Return value: allocated debug buffer, NULL on error
+ * The returned buffer should be freed by a call to cdebbuf_free() after use.
+ */
+
 _cdebbuf *capi_message2str(u8 * msg)
 {
 	_cdebbuf *cdb;
@@ -926,10 +974,23 @@ _cdebbuf *capi_message2str(u8 * msg)
 	return cdb;
 }
 
+/**
+ * capi_cmsg2str() - format _cmsg structure for printing
+ * @cmsg:	_cmsg structure
+ *
+ * Allocates a CAPI debug buffer and fills it with a printable representation
+ * of the CAPI 2.0 message stored in @cmsg by a previous call to
+ * capi_cmsg2message() or capi_message2cmsg().
+ * Return value: allocated debug buffer, NULL on error
+ * The returned buffer should be freed by a call to cdebbuf_free() after use.
+ */
+
 _cdebbuf *capi_cmsg2str(_cmsg * cmsg)
 {
 	_cdebbuf *cdb;
 
+	if (!cmsg->m)
+		return NULL;	/* no message */
 	cdb = cdebbuf_alloc();
 	if (!cdb)
 		return NULL;
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index f33170368cd..57d26360f64 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -377,14 +377,14 @@ void capi_ctr_ready(struct capi_ctr * card)
 EXPORT_SYMBOL(capi_ctr_ready);
 
 /**
- * capi_ctr_reseted() - signal CAPI controller reset
+ * capi_ctr_down() - signal CAPI controller not ready
  * @card:	controller descriptor structure.
  *
  * Called by hardware driver to signal that the controller is down and
  * unavailable for use.
  */
 
-void capi_ctr_reseted(struct capi_ctr * card)
+void capi_ctr_down(struct capi_ctr * card)
 {
 	u16 appl;
 
@@ -413,7 +413,7 @@ void capi_ctr_reseted(struct capi_ctr * card)
 	notify_push(KCI_CONTRDOWN, card->cnr, 0, 0);
 }
 
-EXPORT_SYMBOL(capi_ctr_reseted);
+EXPORT_SYMBOL(capi_ctr_down);
 
 /**
  * capi_ctr_suspend_output() - suspend controller
@@ -517,7 +517,7 @@ EXPORT_SYMBOL(attach_capi_ctr);
 int detach_capi_ctr(struct capi_ctr *card)
 {
         if (card->cardstate != CARD_DETECTED)
-		capi_ctr_reseted(card);
+		capi_ctr_down(card);
 
 	ncards--;
 
diff --git a/drivers/isdn/gigaset/Kconfig b/drivers/isdn/gigaset/Kconfig
index 9ca889adf12..18ab8652aa5 100644
--- a/drivers/isdn/gigaset/Kconfig
+++ b/drivers/isdn/gigaset/Kconfig
@@ -1,5 +1,6 @@
 menuconfig ISDN_DRV_GIGASET
 	tristate "Siemens Gigaset support"
+	depends on ISDN_I4L
 	select CRC_CCITT
 	select BITREVERSE
 	help
@@ -42,11 +43,4 @@ config GIGASET_DEBUG
 	  This enables debugging code in the Gigaset drivers.
 	  If in doubt, say yes.
 
-config GIGASET_UNDOCREQ
-	bool "Support for undocumented USB requests"
-	help
-	  This enables support for USB requests we only know from
-	  reverse engineering (currently M105 only). If you need
-	  features like configuration mode of M105, say yes.
-
 endif # ISDN_DRV_GIGASET
diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index 2a4ce96f04b..234cc5d5331 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -174,9 +174,8 @@ byte_stuff:
 
 				if (unlikely(fcs != PPP_GOODFCS)) {
 					dev_err(cs->dev,
-					    "Packet checksum at %lu failed, "
-					    "packet is corrupted (%u bytes)!\n",
-					    bcs->rcvbytes, skb->len);
+				"Checksum failed, %u bytes corrupted!\n",
+						skb->len);
 					compskb = NULL;
 					gigaset_rcv_error(compskb, cs, bcs);
 					error = 1;
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 0048ce98bfa..e4141bf8b2f 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -565,8 +565,6 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 	gig_dbg(DEBUG_INIT, "setting up bcs[%d]->at_state", channel);
 	gigaset_at_init(&bcs->at_state, bcs, cs, -1);
 
-	bcs->rcvbytes = 0;
-
 #ifdef CONFIG_GIGASET_DEBUG
 	bcs->emptycount = 0;
 #endif
@@ -672,14 +670,8 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->tty = NULL;
 	cs->tty_dev = NULL;
 	cs->cidmode = cidmode != 0;
-
-	//if(onechannel) { //FIXME
-		cs->tabnocid = gigaset_tab_nocid_m10x;
-		cs->tabcid = gigaset_tab_cid_m10x;
-	//} else {
-	//	cs->tabnocid = gigaset_tab_nocid;
-	//	cs->tabcid = gigaset_tab_cid;
-	//}
+	cs->tabnocid = gigaset_tab_nocid;
+	cs->tabcid = gigaset_tab_cid;
 
 	init_waitqueue_head(&cs->waitqueue);
 	cs->waiting = 0;
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index e582a4887bc..ec5169604a6 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -160,7 +160,7 @@
 
 
 // 100: init, 200: dle0, 250:dle1, 300: get cid (dial), 350: "hup" (no cid), 400: hup, 500: reset, 600: dial, 700: ring
-struct reply_t gigaset_tab_nocid_m10x[]= /* with dle mode */
+struct reply_t gigaset_tab_nocid[] =
 {
 	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
 
@@ -280,7 +280,7 @@ struct reply_t gigaset_tab_nocid_m10x[]= /* with dle mode */
 };
 
 // 600: start dialing, 650: dial in progress, 800: connection is up, 700: ring, 400: hup, 750: accepted icall
-struct reply_t gigaset_tab_cid_m10x[] = /* for M10x */
+struct reply_t gigaset_tab_cid[] =
 {
 	/* resp_code, min_ConState, max_ConState, parameter, new_ConState, timeout, action, command */
 
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 747178f03d2..a2f6125739e 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -282,8 +282,8 @@ struct reply_t {
 	char	*command;	/* NULL==none */
 };
 
-extern struct reply_t gigaset_tab_cid_m10x[];
-extern struct reply_t gigaset_tab_nocid_m10x[];
+extern struct reply_t gigaset_tab_cid[];
+extern struct reply_t gigaset_tab_nocid[];
 
 struct inbuf_t {
 	unsigned char		*rcvbuf;	/* usb-gigaset receive buffer */
@@ -384,7 +384,6 @@ struct bc_state {
 	int trans_up;			/* Counter of packages (upstream) */
 
 	struct at_state_t at_state;
-	unsigned long rcvbytes;
 
 	__u16 fcs;
 	struct sk_buff *skb;
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 69a702f0db9..9b22f9cf2f3 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -544,11 +544,11 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid)
 
 	gig_dbg(DEBUG_ANY, "Register driver capabilities to LL");
 
-	//iif->id[sizeof(iif->id) - 1]=0;
-	//strncpy(iif->id, isdnid, sizeof(iif->id) - 1);
 	if (snprintf(iif->id, sizeof iif->id, "%s_%u", isdnid, cs->minor_index)
-	    >= sizeof iif->id)
-		return -ENOMEM; //FIXME EINVAL/...??
+	    >= sizeof iif->id) {
+		pr_err("ID too long: %s\n", isdnid);
+		return 0;
+	}
 
 	iif->owner = THIS_MODULE;
 	iif->channels = cs->channels;
@@ -568,8 +568,10 @@ int gigaset_register_to_LL(struct cardstate *cs, const char *isdnid)
 	iif->rcvcallb_skb = NULL;		/* Will be set by LL */
 	iif->statcallb = NULL;			/* Will be set by LL */
 
-	if (!register_isdn(iif))
+	if (!register_isdn(iif)) {
+		pr_err("register_isdn failed\n");
 		return 0;
+	}
 
 	cs->myid = iif->channels;		/* Set my device id */
 	return 1;
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 820a30923fe..1ebfcab7466 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -599,8 +599,7 @@ void gigaset_if_init(struct cardstate *cs)
 	if (!IS_ERR(cs->tty_dev))
 		dev_set_drvdata(cs->tty_dev, cs);
 	else {
-		dev_warn(cs->dev,
-			 "could not register device to the tty subsystem\n");
+		pr_warning("could not register device to the tty subsystem\n");
 		cs->tty_dev = NULL;
 	}
 	mutex_unlock(&cs->mutex);
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 29808c4fb1c..db3a1e4cd48 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -246,6 +246,10 @@ static inline void dump_bytes(enum debuglevel level, const char *tag,
 	unsigned char c;
 	static char dbgline[3 * 32 + 1];
 	int i = 0;
+
+	if (!(gigaset_debuglevel & level))
+		return;
+
 	while (count-- > 0) {
 		if (i > sizeof(dbgline) - 4) {
 			dbgline[i] = '\0';
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index da6f3acf9fd..9715aad9c3f 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -79,5 +79,5 @@ void gigaset_init_dev_sysfs(struct cardstate *cs)
 
 	gig_dbg(DEBUG_INIT, "setting up sysfs");
 	if (device_create_file(cs->tty_dev, &dev_attr_cidmode))
-		dev_err(cs->dev, "could not create sysfs attribute\n");
+		pr_err("could not create sysfs attribute\n");
 }
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index d7838516609..4deb1ab0dbf 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -153,8 +153,6 @@ static inline unsigned tiocm_to_gigaset(unsigned state)
 	return ((state & TIOCM_DTR) ? 1 : 0) | ((state & TIOCM_RTS) ? 2 : 0);
 }
 
-#ifdef CONFIG_GIGASET_UNDOCREQ
-/* WARNING: EXPERIMENTAL! */
 static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
 				  unsigned new_state)
 {
@@ -176,6 +174,11 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
 	return 0;
 }
 
+/*
+ * Set M105 configuration value
+ * using undocumented device commands reverse engineered from USB traces
+ * of the Siemens Windows driver
+ */
 static int set_value(struct cardstate *cs, u8 req, u16 val)
 {
 	struct usb_device *udev = cs->hw.usb->udev;
@@ -205,8 +208,10 @@ static int set_value(struct cardstate *cs, u8 req, u16 val)
 	return r < 0 ? r : (r2 < 0 ? r2 : 0);
 }
 
-/* WARNING: HIGHLY EXPERIMENTAL! */
-// don't use this in an interrupt/BH
+/*
+ * set the baud rate on the internal serial adapter
+ * using the undocumented parameter setting command
+ */
 static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
 {
 	u16 val;
@@ -237,8 +242,10 @@ static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
 	return set_value(cs, 1, val);
 }
 
-/* WARNING: HIGHLY EXPERIMENTAL! */
-// don't use this in an interrupt/BH
+/*
+ * set the line format on the internal serial adapter
+ * using the undocumented parameter setting command
+ */
 static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
 {
 	u16 val = 0;
@@ -274,24 +281,6 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
 	return set_value(cs, 3, val);
 }
 
-#else
-static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
-				  unsigned new_state)
-{
-	return -ENOTTY;
-}
-
-static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
-{
-	return -ENOTTY;
-}
-
-static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
-{
-	return -ENOTTY;
-}
-#endif
-
 
  /*================================================================================================================*/
 static int gigaset_init_bchannel(struct bc_state *bcs)
@@ -362,10 +351,8 @@ static void gigaset_modem_fill(unsigned long data)
 	} while (again);
 }
 
-/**
- *	gigaset_read_int_callback
- *
- *	It is called if the data was received from the device.
+/*
+ * Interrupt Input URB completion routine
  */
 static void gigaset_read_int_callback(struct urb *urb)
 {
@@ -567,18 +554,19 @@ static int gigaset_chars_in_buffer(struct cardstate *cs)
 	return cs->cmdbytes;
 }
 
+/*
+ * set the break characters on the internal serial adapter
+ * using undocumented device commands reverse engineered from USB traces
+ * of the Siemens Windows driver
+ */
 static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
 {
-#ifdef CONFIG_GIGASET_UNDOCREQ
 	struct usb_device *udev = cs->hw.usb->udev;
 
 	gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf);
 	memcpy(cs->hw.usb->bchars, buf, 6);
 	return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41,
 			       0, 0, &buf, 6, 2000);
-#else
-	return -ENOTTY;
-#endif
 }
 
 static int gigaset_freebcshw(struct bc_state *bcs)
@@ -625,7 +613,6 @@ static int gigaset_initcshw(struct cardstate *cs)
 	ucs->bchars[5] = 0x13;
 	ucs->bulk_out_buffer = NULL;
 	ucs->bulk_out_urb = NULL;
-	//ucs->urb_cmd_out = NULL;
 	ucs->read_urb = NULL;
 	tasklet_init(&cs->write_tasklet,
 		     &gigaset_modem_fill, (unsigned long) cs);
@@ -742,7 +729,7 @@ static int gigaset_probe(struct usb_interface *interface,
 	cs->dev = &interface->dev;
 
 	/* save address of controller structure */
-	usb_set_intfdata(interface, cs); // dev_set_drvdata(&interface->dev, cs);
+	usb_set_intfdata(interface, cs);
 
 	endpoint = &hostif->endpoint[0].desc;
 
@@ -921,8 +908,7 @@ static const struct gigaset_ops ops = {
 	gigaset_m10x_input,
 };
 
-/**
- *	usb_gigaset_init
+/*
  * This function is called while kernel-module is loaded
  */
 static int __init usb_gigaset_init(void)
@@ -952,9 +938,7 @@ error:
 	return -1;
 }
 
-
-/**
- *	usb_gigaset_exit
+/*
  * This function is called while unloading the kernel-module
  */
 static void __exit usb_gigaset_exit(void)
diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c
index abf05ec3176..a7c0083e78a 100644
--- a/drivers/isdn/hardware/avm/b1.c
+++ b/drivers/isdn/hardware/avm/b1.c
@@ -330,7 +330,7 @@ void b1_reset_ctr(struct capi_ctr *ctrl)
 	spin_lock_irqsave(&card->lock, flags);
 	capilib_release(&cinfo->ncci_head);
 	spin_unlock_irqrestore(&card->lock, flags);
-	capi_ctr_reseted(ctrl);
+	capi_ctr_down(ctrl);
 }
 
 void b1_register_appl(struct capi_ctr *ctrl,
diff --git a/drivers/isdn/hardware/avm/b1dma.c b/drivers/isdn/hardware/avm/b1dma.c
index da34b98e3de..0e84aaae43f 100644
--- a/drivers/isdn/hardware/avm/b1dma.c
+++ b/drivers/isdn/hardware/avm/b1dma.c
@@ -759,7 +759,7 @@ void b1dma_reset_ctr(struct capi_ctr *ctrl)
 	memset(cinfo->version, 0, sizeof(cinfo->version));
 	capilib_release(&cinfo->ncci_head);
 	spin_unlock_irqrestore(&card->lock, flags);
-	capi_ctr_reseted(ctrl);
+	capi_ctr_down(ctrl);
 }
 
 /* ------------------------------------------------------------- */
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index 9df1d3f66c8..6833301a45f 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -681,7 +681,7 @@ static irqreturn_t c4_handle_interrupt(avmcard *card)
 			spin_lock_irqsave(&card->lock, flags);
 			capilib_release(&cinfo->ncci_head);
 			spin_unlock_irqrestore(&card->lock, flags);
-			capi_ctr_reseted(&cinfo->capi_ctrl);
+			capi_ctr_down(&cinfo->capi_ctrl);
 		}
 		card->nlogcontr = 0;
 		return IRQ_HANDLED;
@@ -909,7 +909,7 @@ static void c4_reset_ctr(struct capi_ctr *ctrl)
         for (i=0; i < card->nr_controllers; i++) {
 		cinfo = &card->ctrlinfo[i];
 		memset(cinfo->version, 0, sizeof(cinfo->version));
-		capi_ctr_reseted(&cinfo->capi_ctrl);
+		capi_ctr_down(&cinfo->capi_ctrl);
 	}
 	card->nlogcontr = 0;
 }
diff --git a/drivers/isdn/hardware/avm/t1isa.c b/drivers/isdn/hardware/avm/t1isa.c
index e7724493738..1c53fd49adb 100644
--- a/drivers/isdn/hardware/avm/t1isa.c
+++ b/drivers/isdn/hardware/avm/t1isa.c
@@ -339,7 +339,7 @@ static void t1isa_reset_ctr(struct capi_ctr *ctrl)
 	spin_lock_irqsave(&card->lock, flags);
 	capilib_release(&cinfo->ncci_head);
 	spin_unlock_irqrestore(&card->lock, flags);
-	capi_ctr_reseted(ctrl);
+	capi_ctr_down(ctrl);
 }
 
 static void t1isa_remove(struct pci_dev *pdev)
diff --git a/drivers/isdn/hardware/mISDN/Kconfig b/drivers/isdn/hardware/mISDN/Kconfig
index fd112ae252c..3024566dd09 100644
--- a/drivers/isdn/hardware/mISDN/Kconfig
+++ b/drivers/isdn/hardware/mISDN/Kconfig
@@ -13,7 +13,7 @@ config MISDN_HFCPCI
 
 config MISDN_HFCMULTI
 	tristate "Support for HFC multiport cards (HFC-4S/8S/E1)"
-	depends on PCI
+	depends on PCI || 8xx
 	depends on MISDN
 	help
 	  Enable support for cards with Cologne Chip AG's HFC multiport
@@ -23,6 +23,15 @@ config MISDN_HFCMULTI
 	   * HFC-8S (8 S/T interfaces on one chip)
 	   * HFC-E1 (E1 interface for 2Mbit ISDN)
 
+config MISDN_HFCMULTI_8xx
+	boolean "Support for XHFC embedded board in HFC multiport driver"
+	depends on MISDN
+	depends on MISDN_HFCMULTI
+	depends on 8xx
+	default 8xx
+	help
+	  Enable support for the XHFC embedded solution from Speech Design.
+
 config MISDN_HFCUSB
 	tristate "Support for HFC-S USB based TAs"
 	depends on USB
diff --git a/drivers/isdn/hardware/mISDN/hfc_multi.h b/drivers/isdn/hardware/mISDN/hfc_multi.h
index 663b77f578b..0c773866efc 100644
--- a/drivers/isdn/hardware/mISDN/hfc_multi.h
+++ b/drivers/isdn/hardware/mISDN/hfc_multi.h
@@ -17,6 +17,16 @@
 #define	PCI_ENA_REGIO	0x01
 #define	PCI_ENA_MEMIO	0x02
 
+#define XHFC_IRQ	4		/* SIU_IRQ2 */
+#define XHFC_MEMBASE	0xFE000000
+#define XHFC_MEMSIZE    0x00001000
+#define XHFC_OFFSET	0x00001000
+#define PA_XHFC_A0	0x0020		/* PA10 */
+#define PB_XHFC_IRQ1	0x00000100	/* PB23 */
+#define PB_XHFC_IRQ2	0x00000200	/* PB22 */
+#define PB_XHFC_IRQ3	0x00000400	/* PB21 */
+#define PB_XHFC_IRQ4	0x00000800	/* PB20 */
+
 /*
  * NOTE: some registers are assigned multiple times due to different modes
  *       also registers are assigned differen for HFC-4s/8s and HFC-E1
@@ -44,6 +54,7 @@ struct hfc_chan {
 	int		conf;	/* conference setting of TX slot */
 	int		txpending;	/* if there is currently data in */
 					/* the FIFO 0=no, 1=yes, 2=splloop */
+	int		Zfill;	/* rx-fifo level on last hfcmulti_tx */
 	int		rx_off; /* set to turn fifo receive off */
 	int		coeff_count; /* curren coeff block */
 	s32		*coeff; /* memory pointer to 8 coeff blocks */
@@ -62,6 +73,7 @@ struct hfcm_hw {
 	u_char	r_sci_msk;
 	u_char	r_tx0, r_tx1;
 	u_char	a_st_ctrl0[8];
+	u_char	r_bert_wd_md;
 	timer_t	timer;
 };
 
@@ -79,6 +91,11 @@ struct hfcm_hw {
 #define	HFC_CFG_CRC4		10 /* disable CRC-4 Multiframe mode, */
 					/* use double frame instead. */
 
+#define HFC_TYPE_E1		1 /* controller is HFC-E1 */
+#define HFC_TYPE_4S		4 /* controller is HFC-4S */
+#define HFC_TYPE_8S		8 /* controller is HFC-8S */
+#define HFC_TYPE_XHFC		5 /* controller is XHFC */
+
 #define	HFC_CHIP_EXRAM_128	0 /* external ram 128k */
 #define	HFC_CHIP_EXRAM_512	1 /* external ram 256k */
 #define	HFC_CHIP_REVISION0	2 /* old fifo handling */
@@ -86,19 +103,22 @@ struct hfcm_hw {
 #define	HFC_CHIP_PCM_MASTER	4 /* PCM is master */
 #define	HFC_CHIP_RX_SYNC	5 /* disable pll sync for pcm */
 #define	HFC_CHIP_DTMF		6 /* DTMF decoding is enabled */
-#define	HFC_CHIP_ULAW		7 /* ULAW mode */
-#define	HFC_CHIP_CLOCK2		8 /* double clock mode */
-#define	HFC_CHIP_E1CLOCK_GET	9 /* always get clock from E1 interface */
-#define	HFC_CHIP_E1CLOCK_PUT	10 /* always put clock from E1 interface */
-#define	HFC_CHIP_WATCHDOG	11 /* whether we should send signals */
+#define	HFC_CHIP_CONF		7 /* conference handling is enabled */
+#define	HFC_CHIP_ULAW		8 /* ULAW mode */
+#define	HFC_CHIP_CLOCK2		9 /* double clock mode */
+#define	HFC_CHIP_E1CLOCK_GET	10 /* always get clock from E1 interface */
+#define	HFC_CHIP_E1CLOCK_PUT	11 /* always put clock from E1 interface */
+#define	HFC_CHIP_WATCHDOG	12 /* whether we should send signals */
 					/* to the watchdog */
-#define	HFC_CHIP_B410P		12 /* whether we have a b410p with echocan in */
+#define	HFC_CHIP_B410P		13 /* whether we have a b410p with echocan in */
 					/* hw */
-#define	HFC_CHIP_PLXSD		13 /* whether we have a Speech-Design PLX */
+#define	HFC_CHIP_PLXSD		14 /* whether we have a Speech-Design PLX */
+#define	HFC_CHIP_EMBSD          15 /* whether we have a SD Embedded board */
 
 #define HFC_IO_MODE_PCIMEM	0x00 /* normal memory mapped IO */
 #define HFC_IO_MODE_REGIO	0x01 /* PCI io access */
 #define HFC_IO_MODE_PLXSD	0x02 /* access HFC via PLX9030 */
+#define HFC_IO_MODE_EMBSD	0x03 /* direct access */
 
 /* table entry in the PCI devices list */
 struct hm_map {
@@ -111,6 +131,7 @@ struct hm_map {
 	int opticalsupport;
 	int dip_type;
 	int io_mode;
+	int irq;
 };
 
 struct hfc_multi {
@@ -118,7 +139,7 @@ struct hfc_multi {
 	struct hm_map	*mtyp;
 	int		id;
 	int		pcm;	/* id of pcm bus */
-	int		type;
+	int		ctype;	/* controller type */
 	int		ports;
 
 	u_int		irq;	/* irq used by card */
@@ -158,10 +179,16 @@ struct hfc_multi {
 				int len);
 	void		(*write_fifo)(struct hfc_multi *hc, u_char *data,
 				int len);
-	u_long		pci_origmembase, plx_origmembase, dsp_origmembase;
+	u_long		pci_origmembase, plx_origmembase;
 	void __iomem	*pci_membase; /* PCI memory */
 	void __iomem	*plx_membase; /* PLX memory */
-	u_char		*dsp_membase; /* DSP on PLX */
+	u_long		xhfc_origmembase;
+	u_char		*xhfc_membase;
+	u_long		*xhfc_memaddr, *xhfc_memdata;
+#ifdef CONFIG_MISDN_HFCMULTI_8xx
+	struct immap	*immap;
+#endif
+	u_long		pb_irqmsk;	/* Portbit mask to check the IRQ line */
 	u_long		pci_iobase; /* PCI IO */
 	struct hfcm_hw	hw;	/* remember data of write-only-registers */
 
diff --git a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h
new file mode 100644
index 00000000000..45ddced956d
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h
@@ -0,0 +1,167 @@
+/*
+ * For License see notice in hfc_multi.c
+ *
+ * special IO and init functions for the embedded XHFC board
+ * from Speech Design
+ *
+ */
+
+#include <asm/8xx_immap.h>
+
+/* Change this to the value used by your board */
+#ifndef IMAP_ADDR
+#define IMAP_ADDR	0xFFF00000
+#endif
+
+static void
+#ifdef HFC_REGISTER_DEBUG
+HFC_outb_embsd(struct hfc_multi *hc, u_char reg, u_char val,
+		const char *function, int line)
+#else
+HFC_outb_embsd(struct hfc_multi *hc, u_char reg, u_char val)
+#endif
+{
+	hc->immap->im_ioport.iop_padat |= PA_XHFC_A0;
+	writeb(reg, hc->xhfc_memaddr);
+	hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0);
+	writeb(val, hc->xhfc_memdata);
+}
+static u_char
+#ifdef HFC_REGISTER_DEBUG
+HFC_inb_embsd(struct hfc_multi *hc, u_char reg, const char *function, int line)
+#else
+HFC_inb_embsd(struct hfc_multi *hc, u_char reg)
+#endif
+{
+	hc->immap->im_ioport.iop_padat |= PA_XHFC_A0;
+	writeb(reg, hc->xhfc_memaddr);
+	hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0);
+	return readb(hc->xhfc_memdata);
+}
+static u_short
+#ifdef HFC_REGISTER_DEBUG
+HFC_inw_embsd(struct hfc_multi *hc, u_char reg, const char *function, int line)
+#else
+HFC_inw_embsd(struct hfc_multi *hc, u_char reg)
+#endif
+{
+	hc->immap->im_ioport.iop_padat |= PA_XHFC_A0;
+	writeb(reg, hc->xhfc_memaddr);
+	hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0);
+	return readb(hc->xhfc_memdata);
+}
+static void
+#ifdef HFC_REGISTER_DEBUG
+HFC_wait_embsd(struct hfc_multi *hc, const char *function, int line)
+#else
+HFC_wait_embsd(struct hfc_multi *hc)
+#endif
+{
+	hc->immap->im_ioport.iop_padat |= PA_XHFC_A0;
+	writeb(R_STATUS, hc->xhfc_memaddr);
+	hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0);
+	while (readb(hc->xhfc_memdata) & V_BUSY)
+		cpu_relax();
+}
+
+/* write fifo data (EMBSD) */
+void
+write_fifo_embsd(struct hfc_multi *hc, u_char *data, int len)
+{
+	hc->immap->im_ioport.iop_padat |= PA_XHFC_A0;
+	*hc->xhfc_memaddr = A_FIFO_DATA0;
+	hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0);
+	while (len) {
+		*hc->xhfc_memdata = *data;
+		data++;
+		len--;
+	}
+}
+
+/* read fifo data (EMBSD) */
+void
+read_fifo_embsd(struct hfc_multi *hc, u_char *data, int len)
+{
+	hc->immap->im_ioport.iop_padat |= PA_XHFC_A0;
+	*hc->xhfc_memaddr = A_FIFO_DATA0;
+	hc->immap->im_ioport.iop_padat &= ~(PA_XHFC_A0);
+	while (len) {
+		*data = (u_char)(*hc->xhfc_memdata);
+		data++;
+		len--;
+	}
+}
+
+static int
+setup_embedded(struct hfc_multi *hc, struct hm_map *m)
+{
+	printk(KERN_INFO
+	    "HFC-multi: card manufacturer: '%s' card name: '%s' clock: %s\n",
+	    m->vendor_name, m->card_name, m->clock2 ? "double" : "normal");
+
+	hc->pci_dev = NULL;
+	if (m->clock2)
+		test_and_set_bit(HFC_CHIP_CLOCK2, &hc->chip);
+
+	hc->leds = m->leds;
+	hc->ledstate = 0xAFFEAFFE;
+	hc->opticalsupport = m->opticalsupport;
+
+	hc->pci_iobase = 0;
+	hc->pci_membase = 0;
+	hc->xhfc_membase = NULL;
+	hc->xhfc_memaddr = NULL;
+	hc->xhfc_memdata = NULL;
+
+	/* set memory access methods */
+	if (m->io_mode) /* use mode from card config */
+		hc->io_mode = m->io_mode;
+	switch (hc->io_mode) {
+	case HFC_IO_MODE_EMBSD:
+		test_and_set_bit(HFC_CHIP_EMBSD, &hc->chip);
+		hc->slots = 128; /* required */
+		/* fall through */
+		hc->HFC_outb = HFC_outb_embsd;
+		hc->HFC_inb = HFC_inb_embsd;
+		hc->HFC_inw = HFC_inw_embsd;
+		hc->HFC_wait = HFC_wait_embsd;
+		hc->read_fifo = read_fifo_embsd;
+		hc->write_fifo = write_fifo_embsd;
+		hc->xhfc_origmembase = XHFC_MEMBASE + XHFC_OFFSET * hc->id;
+		hc->xhfc_membase = (u_char *)ioremap(hc->xhfc_origmembase,
+				XHFC_MEMSIZE);
+		if (!hc->xhfc_membase) {
+			printk(KERN_WARNING
+			    "HFC-multi: failed to remap xhfc address space. "
+			    "(internal error)\n");
+			return -EIO;
+		}
+		hc->xhfc_memaddr = (u_long *)(hc->xhfc_membase + 4);
+		hc->xhfc_memdata = (u_long *)(hc->xhfc_membase);
+		printk(KERN_INFO
+		    "HFC-multi: xhfc_membase:%#lx xhfc_origmembase:%#lx "
+		    "xhfc_memaddr:%#lx xhfc_memdata:%#lx\n",
+		    (u_long)hc->xhfc_membase, hc->xhfc_origmembase,
+		    (u_long)hc->xhfc_memaddr, (u_long)hc->xhfc_memdata);
+		break;
+	default:
+		printk(KERN_WARNING "HFC-multi: Invalid IO mode.\n");
+		return -EIO;
+	}
+
+	/* Prepare the MPC8XX PortA 10 as output (address/data selector) */
+	hc->immap = (struct immap *)(IMAP_ADDR);
+	hc->immap->im_ioport.iop_papar &= ~(PA_XHFC_A0);
+	hc->immap->im_ioport.iop_paodr &= ~(PA_XHFC_A0);
+	hc->immap->im_ioport.iop_padir |=   PA_XHFC_A0;
+
+	/* Prepare the MPC8xx PortB __X__ as input (ISDN__X__IRQ) */
+	hc->pb_irqmsk = (PB_XHFC_IRQ1 << hc->id);
+	hc->immap->im_cpm.cp_pbpar &= ~(hc->pb_irqmsk);
+	hc->immap->im_cpm.cp_pbodr &= ~(hc->pb_irqmsk);
+	hc->immap->im_cpm.cp_pbdir &= ~(hc->pb_irqmsk);
+
+	/* At this point the needed config is done */
+	/* fifos are still not enabled */
+	return 0;
+}
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 0b28141e43b..e1dab30aed3 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -104,7 +104,7 @@
  *	If unsure, don't give this parameter.
  *
  * dslot:
- *	NOTE: only one poll value must be given for every card.
+ *	NOTE: only one dslot value must be given for every card.
  *	Also this value must be given for non-E1 cards. If omitted, the E1
  *	card has D-channel on time slot 16, which is default.
  *	If 1..15 or 17..31, an alternate time slot is used for D-channel.
@@ -139,6 +139,10 @@
  *	Selects interface with clock source for mISDN and applications.
  *	Set to card number starting with 1. Set to -1 to disable.
  *	By default, the first card is used as clock source.
+ *
+ * hwid:
+ *	NOTE: only one hwid value must be given once
+ * 	Enable special embedded devices with XHFC controllers.
  */
 
 /*
@@ -206,6 +210,11 @@ static int	clock;
 static uint	timer;
 static uint	clockdelay_te = CLKDEL_TE;
 static uint	clockdelay_nt = CLKDEL_NT;
+#define HWID_NONE	0
+#define HWID_MINIP4	1
+#define HWID_MINIP8	2
+#define HWID_MINIP16	3
+static uint	hwid = HWID_NONE;
 
 static int	HFC_cnt, Port_cnt, PCM_cnt = 99;
 
@@ -223,6 +232,7 @@ module_param_array(pcm, int, NULL, S_IRUGO | S_IWUSR);
 module_param_array(dslot, int, NULL, S_IRUGO | S_IWUSR);
 module_param_array(iomode, uint, NULL, S_IRUGO | S_IWUSR);
 module_param_array(port, uint, NULL, S_IRUGO | S_IWUSR);
+module_param(hwid, uint, S_IRUGO | S_IWUSR); /* The hardware ID */
 
 #ifdef HFC_REGISTER_DEBUG
 #define HFC_outb(hc, reg, val) \
@@ -252,6 +262,10 @@ module_param_array(port, uint, NULL, S_IRUGO | S_IWUSR);
 #define HFC_wait_nodebug(hc)		(hc->HFC_wait_nodebug(hc))
 #endif
 
+#ifdef CONFIG_MISDN_HFCMULTI_8xx
+#include "hfc_multi_8xx.h"
+#endif
+
 /* HFC_IO_MODE_PCIMEM */
 static void
 #ifdef HFC_REGISTER_DEBUG
@@ -261,7 +275,7 @@ HFC_outb_pcimem(struct hfc_multi *hc, u_char reg, u_char val,
 HFC_outb_pcimem(struct hfc_multi *hc, u_char reg, u_char val)
 #endif
 {
-	writeb(val, (hc->pci_membase)+reg);
+	writeb(val, hc->pci_membase + reg);
 }
 static u_char
 #ifdef HFC_REGISTER_DEBUG
@@ -270,7 +284,7 @@ HFC_inb_pcimem(struct hfc_multi *hc, u_char reg, const char *function, int line)
 HFC_inb_pcimem(struct hfc_multi *hc, u_char reg)
 #endif
 {
-	return readb((hc->pci_membase)+reg);
+	return readb(hc->pci_membase + reg);
 }
 static u_short
 #ifdef HFC_REGISTER_DEBUG
@@ -279,7 +293,7 @@ HFC_inw_pcimem(struct hfc_multi *hc, u_char reg, const char *function, int line)
 HFC_inw_pcimem(struct hfc_multi *hc, u_char reg)
 #endif
 {
-	return readw((hc->pci_membase)+reg);
+	return readw(hc->pci_membase + reg);
 }
 static void
 #ifdef HFC_REGISTER_DEBUG
@@ -288,7 +302,8 @@ HFC_wait_pcimem(struct hfc_multi *hc, const char *function, int line)
 HFC_wait_pcimem(struct hfc_multi *hc)
 #endif
 {
-	while (readb((hc->pci_membase)+R_STATUS) & V_BUSY);
+	while (readb(hc->pci_membase + R_STATUS) & V_BUSY)
+		cpu_relax();
 }
 
 /* HFC_IO_MODE_REGIO */
@@ -300,7 +315,7 @@ HFC_outb_regio(struct hfc_multi *hc, u_char reg, u_char val,
 HFC_outb_regio(struct hfc_multi *hc, u_char reg, u_char val)
 #endif
 {
-	outb(reg, (hc->pci_iobase)+4);
+	outb(reg, hc->pci_iobase + 4);
 	outb(val, hc->pci_iobase);
 }
 static u_char
@@ -310,7 +325,7 @@ HFC_inb_regio(struct hfc_multi *hc, u_char reg, const char *function, int line)
 HFC_inb_regio(struct hfc_multi *hc, u_char reg)
 #endif
 {
-	outb(reg, (hc->pci_iobase)+4);
+	outb(reg, hc->pci_iobase + 4);
 	return inb(hc->pci_iobase);
 }
 static u_short
@@ -320,7 +335,7 @@ HFC_inw_regio(struct hfc_multi *hc, u_char reg, const char *function, int line)
 HFC_inw_regio(struct hfc_multi *hc, u_char reg)
 #endif
 {
-	outb(reg, (hc->pci_iobase)+4);
+	outb(reg, hc->pci_iobase + 4);
 	return inw(hc->pci_iobase);
 }
 static void
@@ -330,8 +345,9 @@ HFC_wait_regio(struct hfc_multi *hc, const char *function, int line)
 HFC_wait_regio(struct hfc_multi *hc)
 #endif
 {
-	outb(R_STATUS, (hc->pci_iobase)+4);
-	while (inb(hc->pci_iobase) & V_BUSY);
+	outb(R_STATUS, hc->pci_iobase + 4);
+	while (inb(hc->pci_iobase) & V_BUSY)
+		cpu_relax();
 }
 
 #ifdef HFC_REGISTER_DEBUG
@@ -350,14 +366,14 @@ HFC_outb_debug(struct hfc_multi *hc, u_char reg, u_char val,
 	if (regname[0] == '\0')
 		strcpy(regname, "register");
 
-	bits[7] = '0'+(!!(val&1));
-	bits[6] = '0'+(!!(val&2));
-	bits[5] = '0'+(!!(val&4));
-	bits[4] = '0'+(!!(val&8));
-	bits[3] = '0'+(!!(val&16));
-	bits[2] = '0'+(!!(val&32));
-	bits[1] = '0'+(!!(val&64));
-	bits[0] = '0'+(!!(val&128));
+	bits[7] = '0' + (!!(val & 1));
+	bits[6] = '0' + (!!(val & 2));
+	bits[5] = '0' + (!!(val & 4));
+	bits[4] = '0' + (!!(val & 8));
+	bits[3] = '0' + (!!(val & 16));
+	bits[2] = '0' + (!!(val & 32));
+	bits[1] = '0' + (!!(val & 64));
+	bits[0] = '0' + (!!(val & 128));
 	printk(KERN_DEBUG
 	    "HFC_outb(chip %d, %02x=%s, 0x%02x=%s); in %s() line %d\n",
 	    hc->id, reg, regname, val, bits, function, line);
@@ -380,14 +396,14 @@ HFC_inb_debug(struct hfc_multi *hc, u_char reg, const char *function, int line)
 	if (regname[0] == '\0')
 		strcpy(regname, "register");
 
-	bits[7] = '0'+(!!(val&1));
-	bits[6] = '0'+(!!(val&2));
-	bits[5] = '0'+(!!(val&4));
-	bits[4] = '0'+(!!(val&8));
-	bits[3] = '0'+(!!(val&16));
-	bits[2] = '0'+(!!(val&32));
-	bits[1] = '0'+(!!(val&64));
-	bits[0] = '0'+(!!(val&128));
+	bits[7] = '0' + (!!(val & 1));
+	bits[6] = '0' + (!!(val & 2));
+	bits[5] = '0' + (!!(val & 4));
+	bits[4] = '0' + (!!(val & 8));
+	bits[3] = '0' + (!!(val & 16));
+	bits[2] = '0' + (!!(val & 32));
+	bits[1] = '0' + (!!(val & 64));
+	bits[0] = '0' + (!!(val & 128));
 	printk(KERN_DEBUG
 	    "HFC_inb(chip %d, %02x=%s) = 0x%02x=%s; in %s() line %d\n",
 	    hc->id, reg, regname, val, bits, function, line);
@@ -467,6 +483,7 @@ write_fifo_pcimem(struct hfc_multi *hc, u_char *data, int len)
 		len--;
 	}
 }
+
 /* read fifo data (REGIO) */
 static void
 read_fifo_regio(struct hfc_multi *hc, u_char *data, int len)
@@ -512,7 +529,6 @@ read_fifo_pcimem(struct hfc_multi *hc, u_char *data, int len)
 	}
 }
 
-
 static void
 enable_hwirq(struct hfc_multi *hc)
 {
@@ -928,7 +944,7 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
 			writel(pv, plx_acc_32);
 			if (test_bit(HFC_CHIP_PCM_MASTER, &hc->chip)) {
 				pcmmaster = hc;
-				if (hc->type == 1) {
+				if (hc->ctype == HFC_TYPE_E1) {
 					if (debug & DEBUG_HFCMULTI_PLXSD)
 						printk(KERN_DEBUG
 							"Schedule SYNC_I\n");
@@ -949,7 +965,8 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
 		pv |= PLX_SYNC_O_EN;
 		writel(pv, plx_acc_32);
 		/* switch to jatt PLL, if not disabled by RX_SYNC */
-		if (hc->type == 1 && !test_bit(HFC_CHIP_RX_SYNC, &hc->chip)) {
+		if (hc->ctype == HFC_TYPE_E1
+				&& !test_bit(HFC_CHIP_RX_SYNC, &hc->chip)) {
 			if (debug & DEBUG_HFCMULTI_PLXSD)
 				printk(KERN_DEBUG "Schedule jatt PLL\n");
 			hc->e1_resync |= 2; /* switch to jatt */
@@ -961,7 +978,7 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
 				printk(KERN_DEBUG
 					"id=%d (0x%p) = PCM master syncronized "
 					"with QUARTZ\n", hc->id, hc);
-			if (hc->type == 1) {
+			if (hc->ctype == HFC_TYPE_E1) {
 				/* Use the crystal clock for the PCM
 				   master card */
 				if (debug & DEBUG_HFCMULTI_PLXSD)
@@ -972,7 +989,7 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
 				if (debug & DEBUG_HFCMULTI_PLXSD)
 					printk(KERN_DEBUG
 					    "QUARTZ is automatically "
-					    "enabled by HFC-%dS\n", hc->type);
+					    "enabled by HFC-%dS\n", hc->ctype);
 			}
 			plx_acc_32 = hc->plx_membase + PLX_GPIOC;
 			pv = readl(plx_acc_32);
@@ -996,7 +1013,7 @@ plxsd_checksync(struct hfc_multi *hc, int rm)
 	if (hc->syncronized) {
 		if (syncmaster == NULL) {
 			if (debug & DEBUG_HFCMULTI_PLXSD)
-				printk(KERN_WARNING "%s: GOT sync on card %d"
+				printk(KERN_DEBUG "%s: GOT sync on card %d"
 					" (id=%d)\n", __func__, hc->id + 1,
 					hc->id);
 			hfcmulti_resync(hc, hc, rm);
@@ -1004,7 +1021,7 @@ plxsd_checksync(struct hfc_multi *hc, int rm)
 	} else {
 		if (syncmaster == hc) {
 			if (debug & DEBUG_HFCMULTI_PLXSD)
-				printk(KERN_WARNING "%s: LOST sync on card %d"
+				printk(KERN_DEBUG "%s: LOST sync on card %d"
 					" (id=%d)\n", __func__, hc->id + 1,
 					hc->id);
 			hfcmulti_resync(hc, NULL, rm);
@@ -1053,20 +1070,23 @@ release_io_hfcmulti(struct hfc_multi *hc)
 		pv &= ~PLX_DSP_RES_N;
 		writel(pv, plx_acc_32);
 		if (debug & DEBUG_HFCMULTI_INIT)
-			printk(KERN_WARNING "%s: PCM off: PLX_GPIO=%x\n",
+			printk(KERN_DEBUG "%s: PCM off: PLX_GPIO=%x\n",
 				__func__, pv);
 		spin_unlock_irqrestore(&plx_lock, plx_flags);
 	}
 
 	/* disable memory mapped ports / io ports */
 	test_and_clear_bit(HFC_CHIP_PLXSD, &hc->chip); /* prevent resync */
-	pci_write_config_word(hc->pci_dev, PCI_COMMAND, 0);
+	if (hc->pci_dev)
+		pci_write_config_word(hc->pci_dev, PCI_COMMAND, 0);
 	if (hc->pci_membase)
 		iounmap(hc->pci_membase);
 	if (hc->plx_membase)
 		iounmap(hc->plx_membase);
 	if (hc->pci_iobase)
 		release_region(hc->pci_iobase, 8);
+	if (hc->xhfc_membase)
+		iounmap((void *)hc->xhfc_membase);
 
 	if (hc->pci_dev) {
 		pci_disable_device(hc->pci_dev);
@@ -1100,8 +1120,9 @@ init_chip(struct hfc_multi *hc)
 	/* revision check */
 	if (debug & DEBUG_HFCMULTI_INIT)
 		printk(KERN_DEBUG "%s: entered\n", __func__);
-	val = HFC_inb(hc, R_CHIP_ID)>>4;
-	if (val != 0x8 && val != 0xc && val != 0xe) {
+	val = HFC_inb(hc, R_CHIP_ID);
+	if ((val >> 4) != 0x8 && (val >> 4) != 0xc && (val >> 4) != 0xe &&
+	    (val >> 1) != 0x31) {
 		printk(KERN_INFO "HFC_multi: unknown CHIP_ID:%x\n", (u_int)val);
 		err = -EIO;
 		goto out;
@@ -1109,8 +1130,9 @@ init_chip(struct hfc_multi *hc)
 	rev = HFC_inb(hc, R_CHIP_RV);
 	printk(KERN_INFO
 	    "HFC_multi: detected HFC with chip ID=0x%lx revision=%ld%s\n",
-	    val, rev, (rev == 0) ? " (old FIFO handling)" : "");
-	if (rev == 0) {
+	    val, rev, (rev == 0 && (hc->ctype != HFC_TYPE_XHFC)) ?
+		" (old FIFO handling)" : "");
+	if (hc->ctype != HFC_TYPE_XHFC && rev == 0) {
 		test_and_set_bit(HFC_CHIP_REVISION0, &hc->chip);
 		printk(KERN_WARNING
 		    "HFC_multi: NOTE: Your chip is revision 0, "
@@ -1152,6 +1174,12 @@ init_chip(struct hfc_multi *hc)
 		hc->Zlen = 8000;
 		hc->DTMFbase = 0x2000;
 	}
+	if (hc->ctype == HFC_TYPE_XHFC) {
+		hc->Flen = 0x8;
+		hc->Zmin = 0x0;
+		hc->Zlen = 64;
+		hc->DTMFbase = 0x0;
+	}
 	hc->max_trans = poll << 1;
 	if (hc->max_trans > hc->Zlen)
 		hc->max_trans = hc->Zlen;
@@ -1176,7 +1204,7 @@ init_chip(struct hfc_multi *hc)
 		writel(pv, plx_acc_32);
 		spin_unlock_irqrestore(&plx_lock, plx_flags);
 		if (debug & DEBUG_HFCMULTI_INIT)
-			printk(KERN_WARNING "%s: slave/term: PLX_GPIO=%x\n",
+			printk(KERN_DEBUG "%s: slave/term: PLX_GPIO=%x\n",
 				__func__, pv);
 		/*
 		 * If we are the 3rd PLXSD card or higher, we must turn
@@ -1204,13 +1232,17 @@ init_chip(struct hfc_multi *hc)
 			writel(pv, plx_acc_32);
 			spin_unlock_irqrestore(&plx_lock, plx_flags);
 			if (debug & DEBUG_HFCMULTI_INIT)
-			    printk(KERN_WARNING "%s: term off: PLX_GPIO=%x\n",
-					__func__, pv);
+				printk(KERN_DEBUG
+				    "%s: term off: PLX_GPIO=%x\n",
+				    __func__, pv);
 		}
 		spin_unlock_irqrestore(&HFClock, hfc_flags);
 		hc->hw.r_pcm_md0 = V_F0_LEN; /* shift clock for DSP */
 	}
 
+	if (test_bit(HFC_CHIP_EMBSD, &hc->chip))
+		hc->hw.r_pcm_md0 = V_F0_LEN; /* shift clock for DSP */
+
 	/* we only want the real Z2 read-pointer for revision > 0 */
 	if (!test_bit(HFC_CHIP_REVISION0, &hc->chip))
 		hc->hw.r_ram_sz |= V_FZ_MD;
@@ -1234,15 +1266,24 @@ init_chip(struct hfc_multi *hc)
 
 	/* soft reset */
 	HFC_outb(hc, R_CTRL, hc->hw.r_ctrl);
-	HFC_outb(hc, R_RAM_SZ, hc->hw.r_ram_sz);
+	if (hc->ctype == HFC_TYPE_XHFC)
+		HFC_outb(hc, 0x0C /* R_FIFO_THRES */,
+				0x11 /* 16 Bytes TX/RX */);
+	else
+		HFC_outb(hc, R_RAM_SZ, hc->hw.r_ram_sz);
 	HFC_outb(hc, R_FIFO_MD, 0);
-	hc->hw.r_cirm = V_SRES | V_HFCRES | V_PCMRES | V_STRES | V_RLD_EPR;
+	if (hc->ctype == HFC_TYPE_XHFC)
+		hc->hw.r_cirm = V_SRES | V_HFCRES | V_PCMRES | V_STRES;
+	else
+		hc->hw.r_cirm = V_SRES | V_HFCRES | V_PCMRES | V_STRES
+			| V_RLD_EPR;
 	HFC_outb(hc, R_CIRM, hc->hw.r_cirm);
 	udelay(100);
 	hc->hw.r_cirm = 0;
 	HFC_outb(hc, R_CIRM, hc->hw.r_cirm);
 	udelay(100);
-	HFC_outb(hc, R_RAM_SZ, hc->hw.r_ram_sz);
+	if (hc->ctype != HFC_TYPE_XHFC)
+		HFC_outb(hc, R_RAM_SZ, hc->hw.r_ram_sz);
 
 	/* Speech Design PLX bridge pcm and sync mode */
 	if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
@@ -1254,13 +1295,13 @@ init_chip(struct hfc_multi *hc)
 			pv |= PLX_MASTER_EN | PLX_SLAVE_EN_N;
 			pv |= PLX_SYNC_O_EN;
 			if (debug & DEBUG_HFCMULTI_INIT)
-				printk(KERN_WARNING "%s: master: PLX_GPIO=%x\n",
+				printk(KERN_DEBUG "%s: master: PLX_GPIO=%x\n",
 					__func__, pv);
 		} else {
 			pv &= ~(PLX_MASTER_EN | PLX_SLAVE_EN_N);
 			pv &= ~PLX_SYNC_O_EN;
 			if (debug & DEBUG_HFCMULTI_INIT)
-				printk(KERN_WARNING "%s: slave: PLX_GPIO=%x\n",
+				printk(KERN_DEBUG "%s: slave: PLX_GPIO=%x\n",
 					__func__, pv);
 		}
 		writel(pv, plx_acc_32);
@@ -1278,13 +1319,16 @@ init_chip(struct hfc_multi *hc)
 	HFC_outb(hc, R_PCM_MD0, hc->hw.r_pcm_md0 | 0xa0);
 	if (test_bit(HFC_CHIP_PLXSD, &hc->chip))
 		HFC_outb(hc, R_PCM_MD2, V_SYNC_SRC); /* sync via SYNC_I / O */
+	else if (test_bit(HFC_CHIP_EMBSD, &hc->chip))
+		HFC_outb(hc, R_PCM_MD2, 0x10); /* V_C2O_EN */
 	else
 		HFC_outb(hc, R_PCM_MD2, 0x00); /* sync from interface */
 	HFC_outb(hc, R_PCM_MD0, hc->hw.r_pcm_md0 | 0x00);
 	for (i = 0; i < 256; i++) {
 		HFC_outb_nodebug(hc, R_SLOT, i);
 		HFC_outb_nodebug(hc, A_SL_CFG, 0);
-		HFC_outb_nodebug(hc, A_CONF, 0);
+		if (hc->ctype != HFC_TYPE_XHFC)
+			HFC_outb_nodebug(hc, A_CONF, 0);
 		hc->slot_owner[i] = -1;
 	}
 
@@ -1296,6 +1340,9 @@ init_chip(struct hfc_multi *hc)
 		HFC_outb(hc, R_BRG_PCM_CFG, V_PCM_CLK);
 	}
 
+	if (test_bit(HFC_CHIP_EMBSD, &hc->chip))
+		HFC_outb(hc, 0x02 /* R_CLK_CFG */, 0x40 /* V_CLKO_OFF */);
+
 	/* B410P GPIO */
 	if (test_bit(HFC_CHIP_B410P, &hc->chip)) {
 		printk(KERN_NOTICE "Setting GPIOs\n");
@@ -1366,8 +1413,8 @@ controller_fail:
 				writel(pv, plx_acc_32);
 				spin_unlock_irqrestore(&plx_lock, plx_flags);
 				if (debug & DEBUG_HFCMULTI_INIT)
-				    printk(KERN_WARNING "%s: master: PLX_GPIO"
-					"=%x\n", __func__, pv);
+					printk(KERN_DEBUG "%s: master: "
+					    "PLX_GPIO=%x\n", __func__, pv);
 			}
 			hc->hw.r_pcm_md0 |= V_PCM_MD;
 			HFC_outb(hc, R_PCM_MD0, hc->hw.r_pcm_md0 | 0x00);
@@ -1401,7 +1448,7 @@ controller_fail:
 		writel(pv, plx_acc_32);
 		spin_unlock_irqrestore(&plx_lock, plx_flags);
 		if (debug & DEBUG_HFCMULTI_INIT)
-			printk(KERN_WARNING "%s: reset off: PLX_GPIO=%x\n",
+			printk(KERN_DEBUG "%s: reset off: PLX_GPIO=%x\n",
 				__func__, pv);
 	}
 
@@ -1424,7 +1471,7 @@ controller_fail:
 	hc->hw.r_irqmsk_misc |= V_TI_IRQMSK;
 
 	/* set E1 state machine IRQ */
-	if (hc->type == 1)
+	if (hc->ctype == HFC_TYPE_E1)
 		hc->hw.r_irqmsk_misc |= V_STA_IRQMSK;
 
 	/* set DTMF detection */
@@ -1444,7 +1491,8 @@ controller_fail:
 		r_conf_en = V_CONF_EN | V_ULAW;
 	else
 		r_conf_en = V_CONF_EN;
-	HFC_outb(hc, R_CONF_EN, r_conf_en);
+	if (hc->ctype != HFC_TYPE_XHFC)
+		HFC_outb(hc, R_CONF_EN, r_conf_en);
 
 	/* setting leds */
 	switch (hc->leds) {
@@ -1468,16 +1516,23 @@ controller_fail:
 		break;
 	}
 
+	if (test_bit(HFC_CHIP_EMBSD, &hc->chip)) {
+		hc->hw.r_st_sync = 0x10; /* V_AUTO_SYNCI */
+		HFC_outb(hc, R_ST_SYNC, hc->hw.r_st_sync);
+	}
+
 	/* set master clock */
 	if (hc->masterclk >= 0) {
 		if (debug & DEBUG_HFCMULTI_INIT)
 			printk(KERN_DEBUG "%s: setting ST master clock "
 			    "to port %d (0..%d)\n",
 			    __func__, hc->masterclk, hc->ports-1);
-		hc->hw.r_st_sync = hc->masterclk | V_AUTO_SYNC;
+		hc->hw.r_st_sync |= (hc->masterclk | V_AUTO_SYNC);
 		HFC_outb(hc, R_ST_SYNC, hc->hw.r_st_sync);
 	}
 
+
+
 	/* setting misc irq */
 	HFC_outb(hc, R_IRQMSK_MISC, hc->hw.r_irqmsk_misc);
 	if (debug & DEBUG_HFCMULTI_INIT)
@@ -1817,8 +1872,8 @@ hfcmulti_dtmf(struct hfc_multi *hc)
 			coeff[(co<<1)|1] = mantissa;
 		}
 		if (debug & DEBUG_HFCMULTI_DTMF)
-			printk("%s: DTMF ready %08x %08x %08x %08x "
-			    "%08x %08x %08x %08x\n", __func__,
+			printk(" DTMF ready %08x %08x %08x %08x "
+			    "%08x %08x %08x %08x\n",
 			    coeff[0], coeff[1], coeff[2], coeff[3],
 			    coeff[4], coeff[5], coeff[6], coeff[7]);
 		hc->chan[ch].coeff_count++;
@@ -1826,7 +1881,7 @@ hfcmulti_dtmf(struct hfc_multi *hc)
 			hc->chan[ch].coeff_count = 0;
 			skb = mI_alloc_skb(512, GFP_ATOMIC);
 			if (!skb) {
-				printk(KERN_WARNING "%s: No memory for skb\n",
+				printk(KERN_DEBUG "%s: No memory for skb\n",
 				    __func__);
 				continue;
 			}
@@ -1929,7 +1984,7 @@ next_frame:
 				Fspace = 1;
 		}
 		/* one frame only for ST D-channels, to allow resending */
-		if (hc->type != 1 && dch) {
+		if (hc->ctype != HFC_TYPE_E1 && dch) {
 			if (f1 != f2)
 				Fspace = 0;
 		}
@@ -1945,6 +2000,9 @@ next_frame:
 				"%d!=%d\n", __func__, hc->id + 1, temp, z2);
 		z2 = temp; /* repeat unti Z2 is equal */
 	}
+	hc->chan[ch].Zfill = z1 - z2;
+	if (hc->chan[ch].Zfill < 0)
+		hc->chan[ch].Zfill += hc->Zlen;
 	Zspace = z2 - z1;
 	if (Zspace <= 0)
 		Zspace += hc->Zlen;
@@ -1968,12 +2026,22 @@ next_frame:
 					    "slot_tx %d\n",
 					    __func__, ch, slot_tx);
 				/* connect slot */
-				HFC_outb(hc, A_CON_HDLC, 0xc0 | 0x00 |
-				    V_HDLC_TRP | V_IFF);
+				if (hc->ctype == HFC_TYPE_XHFC)
+					HFC_outb(hc, A_CON_HDLC, 0xc0
+					    | 0x07 << 2 | V_HDLC_TRP | V_IFF);
+						/* Enable FIFO, no interrupt */
+				else
+					HFC_outb(hc, A_CON_HDLC, 0xc0 | 0x00 |
+					    V_HDLC_TRP | V_IFF);
 				HFC_outb_nodebug(hc, R_FIFO, ch<<1 | 1);
 				HFC_wait_nodebug(hc);
-				HFC_outb(hc, A_CON_HDLC, 0xc0 | 0x00 |
-				    V_HDLC_TRP | V_IFF);
+				if (hc->ctype == HFC_TYPE_XHFC)
+					HFC_outb(hc, A_CON_HDLC, 0xc0
+					    | 0x07 << 2 | V_HDLC_TRP | V_IFF);
+						/* Enable FIFO, no interrupt */
+				else
+					HFC_outb(hc, A_CON_HDLC, 0xc0 | 0x00 |
+					    V_HDLC_TRP | V_IFF);
 				HFC_outb_nodebug(hc, R_FIFO, ch<<1);
 				HFC_wait_nodebug(hc);
 			}
@@ -2001,10 +2069,22 @@ next_frame:
 			    "FIFO data: channel %d slot_tx %d\n",
 			    __func__, ch, slot_tx);
 		/* disconnect slot */
-		HFC_outb(hc, A_CON_HDLC, 0x80 | 0x00 | V_HDLC_TRP | V_IFF);
+		if (hc->ctype == HFC_TYPE_XHFC)
+			HFC_outb(hc, A_CON_HDLC, 0x80
+			    | 0x07 << 2 | V_HDLC_TRP | V_IFF);
+				/* Enable FIFO, no interrupt */
+		else
+			HFC_outb(hc, A_CON_HDLC, 0x80 | 0x00 |
+			    V_HDLC_TRP | V_IFF);
 		HFC_outb_nodebug(hc, R_FIFO, ch<<1 | 1);
 		HFC_wait_nodebug(hc);
-		HFC_outb(hc, A_CON_HDLC, 0x80 | 0x00 | V_HDLC_TRP | V_IFF);
+		if (hc->ctype == HFC_TYPE_XHFC)
+			HFC_outb(hc, A_CON_HDLC, 0x80
+			    | 0x07 << 2 | V_HDLC_TRP | V_IFF);
+				/* Enable FIFO, no interrupt */
+		else
+			HFC_outb(hc, A_CON_HDLC, 0x80 | 0x00 |
+			    V_HDLC_TRP | V_IFF);
 		HFC_outb_nodebug(hc, R_FIFO, ch<<1);
 		HFC_wait_nodebug(hc);
 	}
@@ -2027,10 +2107,11 @@ next_frame:
 		printk(KERN_DEBUG "%s(card %d): fifo(%d) has %d bytes space "
 		    "left (z1=%04x, z2=%04x) sending %d of %d bytes %s\n",
 			__func__, hc->id + 1, ch, Zspace, z1, z2, ii-i, len-i,
-			temp ? "HDLC":"TRANS");
+			temp ? "HDLC" : "TRANS");
 
 	/* Have to prep the audio data */
 	hc->write_fifo(hc, d, ii - i);
+	hc->chan[ch].Zfill += ii - i;
 	*idxp = ii;
 
 	/* if not all data has been written */
@@ -2226,7 +2307,7 @@ next_frame:
 			if (dch)
 				recv_Dchannel(dch);
 			else
-				recv_Bchannel(bch);
+				recv_Bchannel(bch, MISDN_ID_ANY);
 			*sp = skb;
 			again++;
 			goto next_frame;
@@ -2258,7 +2339,7 @@ next_frame:
 			    "(z1=%04x, z2=%04x) TRANS\n",
 				__func__, hc->id + 1, ch, Zsize, z1, z2);
 		/* only bch is transparent */
-		recv_Bchannel(bch);
+		recv_Bchannel(bch, hc->chan[ch].Zfill);
 		*sp = skb;
 	}
 }
@@ -2323,7 +2404,7 @@ handle_timer_irq(struct hfc_multi *hc)
 		spin_unlock_irqrestore(&HFClock, flags);
 	}
 
-	if (hc->type != 1 || hc->e1_state == 1)
+	if (hc->ctype != HFC_TYPE_E1 || hc->e1_state == 1)
 		for (ch = 0; ch <= 31; ch++) {
 			if (hc->created[hc->chan[ch].port]) {
 				hfcmulti_tx(hc, ch);
@@ -2346,7 +2427,7 @@ handle_timer_irq(struct hfc_multi *hc)
 				}
 			}
 		}
-	if (hc->type == 1 && hc->created[0]) {
+	if (hc->ctype == HFC_TYPE_E1 && hc->created[0]) {
 		dch = hc->chan[hc->dslot].dch;
 		if (test_bit(HFC_CFG_REPORT_LOS, &hc->chan[hc->dslot].cfg)) {
 			/* LOS */
@@ -2606,7 +2687,10 @@ hfcmulti_interrupt(int intno, void *dev_id)
 		"card %d, this is no bug.\n", hc->id + 1, irqsem);
 	irqsem = hc->id + 1;
 #endif
-
+#ifdef CONFIG_MISDN_HFCMULTI_8xx
+	if (hc->immap->im_cpm.cp_pbdat & hc->pb_irqmsk)
+		goto irq_notforus;
+#endif
 	if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
 		spin_lock_irqsave(&plx_lock, flags);
 		plx_acc = hc->plx_membase + PLX_INTCSR;
@@ -2646,7 +2730,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
 	}
 	hc->irqcnt++;
 	if (r_irq_statech) {
-		if (hc->type != 1)
+		if (hc->ctype != HFC_TYPE_E1)
 			ph_state_irq(hc, r_irq_statech);
 	}
 	if (status & V_EXT_IRQSTA)
@@ -2660,7 +2744,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
 		r_irq_misc = HFC_inb_nodebug(hc, R_IRQ_MISC);
 		r_irq_misc &= hc->hw.r_irqmsk_misc; /* ignore disabled irqs */
 		if (r_irq_misc & V_STA_IRQ) {
-			if (hc->type == 1) {
+			if (hc->ctype == HFC_TYPE_E1) {
 				/* state machine */
 				dch = hc->chan[hc->dslot].dch;
 				e1_syncsta = HFC_inb_nodebug(hc, R_SYNC_STA);
@@ -2699,13 +2783,13 @@ hfcmulti_interrupt(int intno, void *dev_id)
 			handle_timer_irq(hc);
 		}
 
-		if (r_irq_misc & V_DTMF_IRQ) {
+		if (r_irq_misc & V_DTMF_IRQ)
 			hfcmulti_dtmf(hc);
-		}
+
 		if (r_irq_misc & V_IRQ_PROC) {
 			static int irq_proc_cnt;
 			if (!irq_proc_cnt++)
-				printk(KERN_WARNING "%s: got V_IRQ_PROC -"
+				printk(KERN_DEBUG "%s: got V_IRQ_PROC -"
 				    " this should not happen\n", __func__);
 		}
 
@@ -2782,7 +2866,8 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 		if (hc->slot_owner[oslot_tx<<1] == ch) {
 			HFC_outb(hc, R_SLOT, oslot_tx << 1);
 			HFC_outb(hc, A_SL_CFG, 0);
-			HFC_outb(hc, A_CONF, 0);
+			if (hc->ctype != HFC_TYPE_XHFC)
+				HFC_outb(hc, A_CONF, 0);
 			hc->slot_owner[oslot_tx<<1] = -1;
 		} else {
 			if (debug & DEBUG_HFCMULTI_MODE)
@@ -2835,7 +2920,9 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 			    flow_tx, routing, conf);
 		HFC_outb(hc, R_SLOT, slot_tx << 1);
 		HFC_outb(hc, A_SL_CFG, (ch<<1) | routing);
-		HFC_outb(hc, A_CONF, (conf < 0) ? 0 : (conf | V_CONF_SL));
+		if (hc->ctype != HFC_TYPE_XHFC)
+			HFC_outb(hc, A_CONF,
+				(conf < 0) ? 0 : (conf | V_CONF_SL));
 		hc->slot_owner[slot_tx << 1] = ch;
 		hc->chan[ch].slot_tx = slot_tx;
 		hc->chan[ch].bank_tx = bank_tx;
@@ -2852,7 +2939,7 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 		else
 			flow_rx = 0xc0; /* ST->(FIFO,PCM) */
 		/* put on slot */
-		routing = bank_rx?0x80:0xc0; /* reversed */
+		routing = bank_rx ? 0x80 : 0xc0; /* reversed */
 		if (conf >= 0 || bank_rx > 1)
 			routing = 0x40; /* loop */
 		if (debug & DEBUG_HFCMULTI_MODE)
@@ -2885,9 +2972,9 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 		HFC_outb(hc, A_IRQ_MSK, 0);
 		HFC_outb(hc, R_INC_RES_FIFO, V_RES_F);
 		HFC_wait(hc);
-		if (hc->chan[ch].bch && hc->type != 1) {
+		if (hc->chan[ch].bch && hc->ctype != HFC_TYPE_E1) {
 			hc->hw.a_st_ctrl0[hc->chan[ch].port] &=
-			    ((ch & 0x3) == 0)? ~V_B1_EN: ~V_B2_EN;
+			    ((ch & 0x3) == 0) ? ~V_B1_EN : ~V_B2_EN;
 			HFC_outb(hc, R_ST_SEL, hc->chan[ch].port);
 			/* undocumented: delay after R_ST_SEL */
 			udelay(1);
@@ -2961,8 +3048,13 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 			/* enable TX fifo */
 			HFC_outb(hc, R_FIFO, ch << 1);
 			HFC_wait(hc);
-			HFC_outb(hc, A_CON_HDLC, flow_tx | 0x00 |
-			    V_HDLC_TRP | V_IFF);
+			if (hc->ctype == HFC_TYPE_XHFC)
+				HFC_outb(hc, A_CON_HDLC, flow_tx | 0x07 << 2 |
+					V_HDLC_TRP | V_IFF);
+					/* Enable FIFO, no interrupt */
+			else
+				HFC_outb(hc, A_CON_HDLC, flow_tx | 0x00 |
+					V_HDLC_TRP | V_IFF);
 			HFC_outb(hc, A_SUBCH_CFG, 0);
 			HFC_outb(hc, A_IRQ_MSK, 0);
 			HFC_outb(hc, R_INC_RES_FIFO, V_RES_F);
@@ -2972,13 +3064,19 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 			/* enable RX fifo */
 			HFC_outb(hc, R_FIFO, (ch<<1)|1);
 			HFC_wait(hc);
-			HFC_outb(hc, A_CON_HDLC, flow_rx | 0x00 | V_HDLC_TRP);
+			if (hc->ctype == HFC_TYPE_XHFC)
+				HFC_outb(hc, A_CON_HDLC, flow_rx | 0x07 << 2 |
+					V_HDLC_TRP);
+					/* Enable FIFO, no interrupt*/
+			else
+				HFC_outb(hc, A_CON_HDLC, flow_rx | 0x00 |
+						V_HDLC_TRP);
 			HFC_outb(hc, A_SUBCH_CFG, 0);
 			HFC_outb(hc, A_IRQ_MSK, 0);
 			HFC_outb(hc, R_INC_RES_FIFO, V_RES_F);
 			HFC_wait(hc);
 		}
-		if (hc->type != 1) {
+		if (hc->ctype != HFC_TYPE_E1) {
 			hc->hw.a_st_ctrl0[hc->chan[ch].port] |=
 			    ((ch & 0x3) == 0) ? V_B1_EN : V_B2_EN;
 			HFC_outb(hc, R_ST_SEL, hc->chan[ch].port);
@@ -2999,7 +3097,7 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 		/* enable TX fifo */
 		HFC_outb(hc, R_FIFO, ch<<1);
 		HFC_wait(hc);
-		if (hc->type == 1 || hc->chan[ch].bch) {
+		if (hc->ctype == HFC_TYPE_E1 || hc->chan[ch].bch) {
 			/* E1 or B-channel */
 			HFC_outb(hc, A_CON_HDLC, flow_tx | 0x04);
 			HFC_outb(hc, A_SUBCH_CFG, 0);
@@ -3015,7 +3113,7 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 		HFC_outb(hc, R_FIFO, (ch<<1)|1);
 		HFC_wait(hc);
 		HFC_outb(hc, A_CON_HDLC, flow_rx | 0x04);
-		if (hc->type == 1 || hc->chan[ch].bch)
+		if (hc->ctype == HFC_TYPE_E1 || hc->chan[ch].bch)
 			HFC_outb(hc, A_SUBCH_CFG, 0); /* full 8 bits */
 		else
 			HFC_outb(hc, A_SUBCH_CFG, 2); /* 2 bits dchannel */
@@ -3024,7 +3122,7 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
 		HFC_wait(hc);
 		if (hc->chan[ch].bch) {
 			test_and_set_bit(FLG_HDLC, &hc->chan[ch].bch->Flags);
-			if (hc->type != 1) {
+			if (hc->ctype != HFC_TYPE_E1) {
 				hc->hw.a_st_ctrl0[hc->chan[ch].port] |=
 				  ((ch&0x3) == 0) ? V_B1_EN : V_B2_EN;
 				HFC_outb(hc, R_ST_SEL, hc->chan[ch].port);
@@ -3104,7 +3202,7 @@ hfcm_l1callback(struct dchannel *dch, u_int cmd)
 	case HW_RESET_REQ:
 		/* start activation */
 		spin_lock_irqsave(&hc->lock, flags);
-		if (hc->type == 1) {
+		if (hc->ctype == HFC_TYPE_E1) {
 			if (debug & DEBUG_HFCMULTI_MSG)
 				printk(KERN_DEBUG
 				    "%s: HW_RESET_REQ no BRI\n",
@@ -3125,7 +3223,7 @@ hfcm_l1callback(struct dchannel *dch, u_int cmd)
 	case HW_DEACT_REQ:
 		/* start deactivation */
 		spin_lock_irqsave(&hc->lock, flags);
-		if (hc->type == 1) {
+		if (hc->ctype == HFC_TYPE_E1) {
 			if (debug & DEBUG_HFCMULTI_MSG)
 				printk(KERN_DEBUG
 				    "%s: HW_DEACT_REQ no BRI\n",
@@ -3159,7 +3257,7 @@ hfcm_l1callback(struct dchannel *dch, u_int cmd)
 		break;
 	case HW_POWERUP_REQ:
 		spin_lock_irqsave(&hc->lock, flags);
-		if (hc->type == 1) {
+		if (hc->ctype == HFC_TYPE_E1) {
 			if (debug & DEBUG_HFCMULTI_MSG)
 				printk(KERN_DEBUG
 				    "%s: HW_POWERUP_REQ no BRI\n",
@@ -3236,7 +3334,7 @@ handle_dmsg(struct mISDNchannel *ch, struct sk_buff *skb)
 				    __func__, hc->chan[dch->slot].port,
 				    hc->ports-1);
 			/* start activation */
-			if (hc->type == 1) {
+			if (hc->ctype == HFC_TYPE_E1) {
 				ph_state_change(dch);
 				if (debug & DEBUG_HFCMULTI_STATE)
 					printk(KERN_DEBUG
@@ -3269,7 +3367,7 @@ handle_dmsg(struct mISDNchannel *ch, struct sk_buff *skb)
 				    __func__, hc->chan[dch->slot].port,
 				    hc->ports-1);
 			/* start deactivation */
-			if (hc->type == 1) {
+			if (hc->ctype == HFC_TYPE_E1) {
 				if (debug & DEBUG_HFCMULTI_MSG)
 					printk(KERN_DEBUG
 					    "%s: PH_DEACTIVATE no BRI\n",
@@ -3410,9 +3508,9 @@ handle_bmsg(struct mISDNchannel *ch, struct sk_buff *skb)
 		switch (hh->id) {
 		case HFC_SPL_LOOP_ON: /* set sample loop */
 			if (debug & DEBUG_HFCMULTI_MSG)
-			printk(KERN_DEBUG
-			    "%s: HFC_SPL_LOOP_ON (len = %d)\n",
-			    __func__, skb->len);
+				printk(KERN_DEBUG
+				    "%s: HFC_SPL_LOOP_ON (len = %d)\n",
+				    __func__, skb->len);
 			ret = 0;
 			break;
 		case HFC_SPL_LOOP_OFF: /* set silence */
@@ -3489,6 +3587,8 @@ channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
 		features->hfc_id = hc->id;
 		if (test_bit(HFC_CHIP_DTMF, &hc->chip))
 			features->hfc_dtmf = 1;
+		if (test_bit(HFC_CHIP_CONF, &hc->chip))
+			features->hfc_conf = 1;
 		features->hfc_loops = 0;
 		if (test_bit(HFC_CHIP_B410P, &hc->chip)) {
 			features->hfc_echocanhw = 1;
@@ -3619,14 +3719,13 @@ ph_state_change(struct dchannel *dch)
 	int ch, i;
 
 	if (!dch) {
-		printk(KERN_WARNING "%s: ERROR given dch is NULL\n",
-		    __func__);
+		printk(KERN_WARNING "%s: ERROR given dch is NULL\n", __func__);
 		return;
 	}
 	hc = dch->hw;
 	ch = dch->slot;
 
-	if (hc->type == 1) {
+	if (hc->ctype == HFC_TYPE_E1) {
 		if (dch->dev.D.protocol == ISDN_P_TE_E1) {
 			if (debug & DEBUG_HFCMULTI_STATE)
 				printk(KERN_DEBUG
@@ -3641,14 +3740,15 @@ ph_state_change(struct dchannel *dch)
 		switch (dch->state) {
 		case (1):
 			if (hc->e1_state != 1) {
-			    for (i = 1; i <= 31; i++) {
-				/* reset fifos on e1 activation */
-				HFC_outb_nodebug(hc, R_FIFO, (i << 1) | 1);
-				HFC_wait_nodebug(hc);
-				HFC_outb_nodebug(hc,
-					R_INC_RES_FIFO, V_RES_F);
-				HFC_wait_nodebug(hc);
-			    }
+				for (i = 1; i <= 31; i++) {
+					/* reset fifos on e1 activation */
+					HFC_outb_nodebug(hc, R_FIFO,
+						(i << 1) | 1);
+					HFC_wait_nodebug(hc);
+					HFC_outb_nodebug(hc, R_INC_RES_FIFO,
+						V_RES_F);
+					HFC_wait_nodebug(hc);
+				}
 			}
 			test_and_set_bit(FLG_ACTIVE, &dch->Flags);
 			_queue_data(&dch->dev.D, PH_ACTIVATE_IND,
@@ -3751,7 +3851,7 @@ hfcmulti_initmode(struct dchannel *dch)
 	if (debug & DEBUG_HFCMULTI_INIT)
 		printk(KERN_DEBUG "%s: entered\n", __func__);
 
-	if (hc->type == 1) {
+	if (hc->ctype == HFC_TYPE_E1) {
 		hc->chan[hc->dslot].slot_tx = -1;
 		hc->chan[hc->dslot].slot_rx = -1;
 		hc->chan[hc->dslot].conf = -1;
@@ -3900,6 +4000,11 @@ hfcmulti_initmode(struct dchannel *dch)
 		}
 		if (!test_bit(HFC_CFG_NONCAP_TX, &hc->chan[i].cfg))
 			hc->hw.a_st_ctrl0[pt] |= V_TX_LI;
+		if (hc->ctype == HFC_TYPE_XHFC) {
+			hc->hw.a_st_ctrl0[pt] |= 0x40 /* V_ST_PU_CTRL */;
+			HFC_outb(hc, 0x35 /* A_ST_CTRL3 */,
+				0x7c << 1 /* V_ST_PULSE */);
+		}
 		/* line setup */
 		HFC_outb(hc, A_ST_CTRL0,  hc->hw.a_st_ctrl0[pt]);
 		/* disable E-channel */
@@ -3943,12 +4048,12 @@ open_dchannel(struct hfc_multi *hc, struct dchannel *dch,
 		return -EINVAL;
 	if ((dch->dev.D.protocol != ISDN_P_NONE) &&
 	    (dch->dev.D.protocol != rq->protocol)) {
-	    if (debug & DEBUG_HFCMULTI_MODE)
-		printk(KERN_WARNING "%s: change protocol %x to %x\n",
-		    __func__, dch->dev.D.protocol, rq->protocol);
+		if (debug & DEBUG_HFCMULTI_MODE)
+			printk(KERN_DEBUG "%s: change protocol %x to %x\n",
+			    __func__, dch->dev.D.protocol, rq->protocol);
 	}
-	if ((dch->dev.D.protocol == ISDN_P_TE_S0)
-	 && (rq->protocol != ISDN_P_TE_S0))
+	if ((dch->dev.D.protocol == ISDN_P_TE_S0) &&
+	    (rq->protocol != ISDN_P_TE_S0))
 		l1_event(dch->l1, CLOSE_CHANNEL);
 	if (dch->dev.D.protocol != rq->protocol) {
 		if (rq->protocol == ISDN_P_TE_S0) {
@@ -3986,7 +4091,7 @@ open_bchannel(struct hfc_multi *hc, struct dchannel *dch,
 		return -EINVAL;
 	if (rq->protocol == ISDN_P_NONE)
 		return -EINVAL;
-	if (hc->type == 1)
+	if (hc->ctype == HFC_TYPE_E1)
 		ch = rq->adr.channel;
 	else
 		ch = (rq->adr.channel - 1) + (dch->slot - 2);
@@ -4013,11 +4118,41 @@ open_bchannel(struct hfc_multi *hc, struct dchannel *dch,
 static int
 channel_dctrl(struct dchannel *dch, struct mISDN_ctrl_req *cq)
 {
+	struct hfc_multi	*hc = dch->hw;
 	int	ret = 0;
+	int	wd_mode, wd_cnt;
 
 	switch (cq->op) {
 	case MISDN_CTRL_GETOP:
-		cq->op = 0;
+		cq->op = MISDN_CTRL_HFC_OP;
+		break;
+	case MISDN_CTRL_HFC_WD_INIT: /* init the watchdog */
+		wd_cnt = cq->p1 & 0xf;
+		wd_mode = !!(cq->p1 >> 4);
+		if (debug & DEBUG_HFCMULTI_MSG)
+			printk(KERN_DEBUG "%s: MISDN_CTRL_HFC_WD_INIT mode %s"
+			    ", counter 0x%x\n", __func__,
+			    wd_mode ? "AUTO" : "MANUAL", wd_cnt);
+		/* set the watchdog timer */
+		HFC_outb(hc, R_TI_WD, poll_timer | (wd_cnt << 4));
+		hc->hw.r_bert_wd_md = (wd_mode ? V_AUTO_WD_RES : 0);
+		if (hc->ctype == HFC_TYPE_XHFC)
+			hc->hw.r_bert_wd_md |= 0x40 /* V_WD_EN */;
+		/* init the watchdog register and reset the counter */
+		HFC_outb(hc, R_BERT_WD_MD, hc->hw.r_bert_wd_md | V_WD_RES);
+		if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
+			/* enable the watchdog output for Speech-Design */
+			HFC_outb(hc, R_GPIO_SEL,  V_GPIO_SEL7);
+			HFC_outb(hc, R_GPIO_EN1,  V_GPIO_EN15);
+			HFC_outb(hc, R_GPIO_OUT1, 0);
+			HFC_outb(hc, R_GPIO_OUT1, V_GPIO_OUT15);
+		}
+		break;
+	case MISDN_CTRL_HFC_WD_RESET: /* reset the watchdog counter */
+		if (debug & DEBUG_HFCMULTI_MSG)
+			printk(KERN_DEBUG "%s: MISDN_CTRL_HFC_WD_RESET\n",
+			    __func__);
+		HFC_outb(hc, R_BERT_WD_MD, hc->hw.r_bert_wd_md | V_WD_RES);
 		break;
 	default:
 		printk(KERN_WARNING "%s: unknown Op %x\n",
@@ -4047,7 +4182,7 @@ hfcm_dctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
 		switch (rq->protocol) {
 		case ISDN_P_TE_S0:
 		case ISDN_P_NT_S0:
-			if (hc->type == 1) {
+			if (hc->ctype == HFC_TYPE_E1) {
 				err = -EINVAL;
 				break;
 			}
@@ -4055,7 +4190,7 @@ hfcm_dctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
 			break;
 		case ISDN_P_TE_E1:
 		case ISDN_P_NT_E1:
-			if (hc->type != 1) {
+			if (hc->ctype != HFC_TYPE_E1) {
 				err = -EINVAL;
 				break;
 			}
@@ -4122,13 +4257,13 @@ init_card(struct hfc_multi *hc)
 	disable_hwirq(hc);
 	spin_unlock_irqrestore(&hc->lock, flags);
 
-	if (request_irq(hc->pci_dev->irq, hfcmulti_interrupt, IRQF_SHARED,
+	if (request_irq(hc->irq, hfcmulti_interrupt, IRQF_SHARED,
 	    "HFC-multi", hc)) {
 		printk(KERN_WARNING "mISDN: Could not get interrupt %d.\n",
-		    hc->pci_dev->irq);
+		    hc->irq);
+		hc->irq = 0;
 		return -EIO;
 	}
-	hc->irq = hc->pci_dev->irq;
 
 	if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
 		spin_lock_irqsave(&plx_lock, plx_flags);
@@ -4187,7 +4322,7 @@ error:
 	}
 
 	if (debug & DEBUG_HFCMULTI_INIT)
-		printk(KERN_WARNING "%s: free irq %d\n", __func__, hc->irq);
+		printk(KERN_DEBUG "%s: free irq %d\n", __func__, hc->irq);
 	if (hc->irq) {
 		free_irq(hc->irq, hc);
 		hc->irq = 0;
@@ -4235,6 +4370,10 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
 	hc->ledstate = 0xAFFEAFFE;
 	hc->opticalsupport = m->opticalsupport;
 
+	hc->pci_iobase = 0;
+	hc->pci_membase = NULL;
+	hc->plx_membase = NULL;
+
 	/* set memory access methods */
 	if (m->io_mode) /* use mode from card config */
 		hc->io_mode = m->io_mode;
@@ -4242,44 +4381,12 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
 	case HFC_IO_MODE_PLXSD:
 		test_and_set_bit(HFC_CHIP_PLXSD, &hc->chip);
 		hc->slots = 128; /* required */
-		/* fall through */
-	case HFC_IO_MODE_PCIMEM:
 		hc->HFC_outb = HFC_outb_pcimem;
 		hc->HFC_inb = HFC_inb_pcimem;
 		hc->HFC_inw = HFC_inw_pcimem;
 		hc->HFC_wait = HFC_wait_pcimem;
 		hc->read_fifo = read_fifo_pcimem;
 		hc->write_fifo = write_fifo_pcimem;
-		break;
-	case HFC_IO_MODE_REGIO:
-		hc->HFC_outb = HFC_outb_regio;
-		hc->HFC_inb = HFC_inb_regio;
-		hc->HFC_inw = HFC_inw_regio;
-		hc->HFC_wait = HFC_wait_regio;
-		hc->read_fifo = read_fifo_regio;
-		hc->write_fifo = write_fifo_regio;
-		break;
-	default:
-		printk(KERN_WARNING "HFC-multi: Invalid IO mode.\n");
-		pci_disable_device(hc->pci_dev);
-		return -EIO;
-	}
-	hc->HFC_outb_nodebug = hc->HFC_outb;
-	hc->HFC_inb_nodebug = hc->HFC_inb;
-	hc->HFC_inw_nodebug = hc->HFC_inw;
-	hc->HFC_wait_nodebug = hc->HFC_wait;
-#ifdef HFC_REGISTER_DEBUG
-	hc->HFC_outb = HFC_outb_debug;
-	hc->HFC_inb = HFC_inb_debug;
-	hc->HFC_inw = HFC_inw_debug;
-	hc->HFC_wait = HFC_wait_debug;
-#endif
-	hc->pci_iobase = 0;
-	hc->pci_membase = NULL;
-	hc->plx_membase = NULL;
-
-	switch (hc->io_mode) {
-	case HFC_IO_MODE_PLXSD:
 		hc->plx_origmembase =  hc->pci_dev->resource[0].start;
 		/* MEMBASE 1 is PLX PCI Bridge */
 
@@ -4327,6 +4434,12 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
 		pci_write_config_word(hc->pci_dev, PCI_COMMAND, PCI_ENA_MEMIO);
 		break;
 	case HFC_IO_MODE_PCIMEM:
+		hc->HFC_outb = HFC_outb_pcimem;
+		hc->HFC_inb = HFC_inb_pcimem;
+		hc->HFC_inw = HFC_inw_pcimem;
+		hc->HFC_wait = HFC_wait_pcimem;
+		hc->read_fifo = read_fifo_pcimem;
+		hc->write_fifo = write_fifo_pcimem;
 		hc->pci_origmembase = hc->pci_dev->resource[1].start;
 		if (!hc->pci_origmembase) {
 			printk(KERN_WARNING
@@ -4343,12 +4456,18 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
 			pci_disable_device(hc->pci_dev);
 			return -EIO;
 		}
-		printk(KERN_INFO "card %d: defined at MEMBASE %#lx (%#lx) IRQ %d "
-		    "HZ %d leds-type %d\n", hc->id, (u_long)hc->pci_membase,
+		printk(KERN_INFO "card %d: defined at MEMBASE %#lx (%#lx) IRQ "
+		    "%d HZ %d leds-type %d\n", hc->id, (u_long)hc->pci_membase,
 		    hc->pci_origmembase, hc->pci_dev->irq, HZ, hc->leds);
 		pci_write_config_word(hc->pci_dev, PCI_COMMAND, PCI_ENA_MEMIO);
 		break;
 	case HFC_IO_MODE_REGIO:
+		hc->HFC_outb = HFC_outb_regio;
+		hc->HFC_inb = HFC_inb_regio;
+		hc->HFC_inw = HFC_inw_regio;
+		hc->HFC_wait = HFC_wait_regio;
+		hc->read_fifo = read_fifo_regio;
+		hc->write_fifo = write_fifo_regio;
 		hc->pci_iobase = (u_int) hc->pci_dev->resource[0].start;
 		if (!hc->pci_iobase) {
 			printk(KERN_WARNING
@@ -4430,7 +4549,7 @@ release_port(struct hfc_multi *hc, struct dchannel *dch)
 		dch->timer.function = NULL;
 	}
 
-	if (hc->type == 1) { /* E1 */
+	if (hc->ctype == HFC_TYPE_E1) { /* E1 */
 		/* remove sync */
 		if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
 			hc->syncronized = 0;
@@ -4508,7 +4627,7 @@ release_card(struct hfc_multi *hc)
 	int	ch;
 
 	if (debug & DEBUG_HFCMULTI_INIT)
-		printk(KERN_WARNING "%s: release card (%d) entered\n",
+		printk(KERN_DEBUG "%s: release card (%d) entered\n",
 		    __func__, hc->id);
 
 	/* unregister clock source */
@@ -4537,7 +4656,7 @@ release_card(struct hfc_multi *hc)
 	/* release hardware & irq */
 	if (hc->irq) {
 		if (debug & DEBUG_HFCMULTI_INIT)
-			printk(KERN_WARNING "%s: free irq %d\n",
+			printk(KERN_DEBUG "%s: free irq %d\n",
 			    __func__, hc->irq);
 		free_irq(hc->irq, hc);
 		hc->irq = 0;
@@ -4546,17 +4665,17 @@ release_card(struct hfc_multi *hc)
 	release_io_hfcmulti(hc);
 
 	if (debug & DEBUG_HFCMULTI_INIT)
-		printk(KERN_WARNING "%s: remove instance from list\n",
+		printk(KERN_DEBUG "%s: remove instance from list\n",
 		     __func__);
 	list_del(&hc->list);
 
 	if (debug & DEBUG_HFCMULTI_INIT)
-		printk(KERN_WARNING "%s: delete instance\n", __func__);
+		printk(KERN_DEBUG "%s: delete instance\n", __func__);
 	if (hc == syncmaster)
 		syncmaster = NULL;
 	kfree(hc);
 	if (debug & DEBUG_HFCMULTI_INIT)
-		printk(KERN_WARNING "%s: card successfully removed\n",
+		printk(KERN_DEBUG "%s: card successfully removed\n",
 		    __func__);
 }
 
@@ -4579,7 +4698,7 @@ init_e1_port(struct hfc_multi *hc, struct hm_map *m)
 	    (1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK));
 	dch->dev.D.send = handle_dmsg;
 	dch->dev.D.ctrl = hfcm_dctrl;
-	dch->dev.nrbchan = (hc->dslot)?30:31;
+	dch->dev.nrbchan = (hc->dslot) ? 30 : 31;
 	dch->slot = hc->dslot;
 	hc->chan[hc->dslot].dch = dch;
 	hc->chan[hc->dslot].port = 0;
@@ -4821,7 +4940,7 @@ init_multi_port(struct hfc_multi *hc, int pt)
 	}
 	/* disable E-channel */
 	if (port[Port_cnt] & 0x004) {
-	if (debug & DEBUG_HFCMULTI_INIT)
+		if (debug & DEBUG_HFCMULTI_INIT)
 			printk(KERN_DEBUG
 			    "%s: PROTOCOL disable E-channel: "
 			    "card(%d) port(%d)\n",
@@ -4829,9 +4948,15 @@ init_multi_port(struct hfc_multi *hc, int pt)
 		test_and_set_bit(HFC_CFG_DIS_ECHANNEL,
 		    &hc->chan[i + 2].cfg);
 	}
-	snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-%ds.%d-%d",
-		hc->type, HFC_cnt + 1, pt + 1);
-	ret = mISDN_register_device(&dch->dev, &hc->pci_dev->dev, name);
+	if (hc->ctype == HFC_TYPE_XHFC) {
+		snprintf(name, MISDN_MAX_IDLEN - 1, "xhfc.%d-%d",
+			HFC_cnt + 1, pt + 1);
+		ret = mISDN_register_device(&dch->dev, NULL, name);
+	} else {
+		snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-%ds.%d-%d",
+			hc->ctype, HFC_cnt + 1, pt + 1);
+		ret = mISDN_register_device(&dch->dev, &hc->pci_dev->dev, name);
+	}
 	if (ret)
 		goto free_chan;
 	hc->created[pt] = 1;
@@ -4842,9 +4967,9 @@ free_chan:
 }
 
 static int
-hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
+hfcmulti_init(struct hm_map *m, struct pci_dev *pdev,
+    const struct pci_device_id *ent)
 {
-	struct hm_map	*m = (struct hm_map *)ent->driver_data;
 	int		ret_err = 0;
 	int		pt;
 	struct hfc_multi	*hc;
@@ -4879,16 +5004,18 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 	spin_lock_init(&hc->lock);
 	hc->mtyp = m;
-	hc->type =  m->type;
+	hc->ctype =  m->type;
 	hc->ports = m->ports;
 	hc->id = HFC_cnt;
 	hc->pcm = pcm[HFC_cnt];
 	hc->io_mode = iomode[HFC_cnt];
-	if (dslot[HFC_cnt] < 0 && hc->type == 1) {
+	if (dslot[HFC_cnt] < 0 && hc->ctype == HFC_TYPE_E1) {
 		hc->dslot = 0;
 		printk(KERN_INFO "HFC-E1 card has disabled D-channel, but "
 			"31 B-channels\n");
-	} if (dslot[HFC_cnt] > 0 && dslot[HFC_cnt] < 32 && hc->type == 1) {
+	}
+	if (dslot[HFC_cnt] > 0 && dslot[HFC_cnt] < 32
+	    && hc->ctype == HFC_TYPE_E1) {
 		hc->dslot = dslot[HFC_cnt];
 		printk(KERN_INFO "HFC-E1 card has alternating D-channel on "
 			"time slot %d\n", dslot[HFC_cnt]);
@@ -4910,8 +5037,11 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 	for (i = 0; i < (poll >> 1); i++)
 		hc->silence_data[i] = hc->silence;
 
-	if (!(type[HFC_cnt] & 0x200))
-		test_and_set_bit(HFC_CHIP_DTMF, &hc->chip);
+	if (hc->ctype != HFC_TYPE_XHFC) {
+		if (!(type[HFC_cnt] & 0x200))
+			test_and_set_bit(HFC_CHIP_DTMF, &hc->chip);
+		test_and_set_bit(HFC_CHIP_CONF, &hc->chip);
+	}
 
 	if (type[HFC_cnt] & 0x800)
 		test_and_set_bit(HFC_CHIP_PCM_SLAVE, &hc->chip);
@@ -4935,8 +5065,18 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 		printk(KERN_NOTICE "Watchdog enabled\n");
 	}
 
-	/* setup pci, hc->slots may change due to PLXSD */
-	ret_err = setup_pci(hc, pdev, ent);
+	if (pdev && ent)
+		/* setup pci, hc->slots may change due to PLXSD */
+		ret_err = setup_pci(hc, pdev, ent);
+	else
+#ifdef CONFIG_MISDN_HFCMULTI_8xx
+		ret_err = setup_embedded(hc, m);
+#else
+	{
+		printk(KERN_WARNING "Embedded IO Mode not selected\n");
+		ret_err = -EIO;
+	}
+#endif
 	if (ret_err) {
 		if (hc == syncmaster)
 			syncmaster = NULL;
@@ -4944,7 +5084,17 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return ret_err;
 	}
 
-	/* crate channels */
+	hc->HFC_outb_nodebug = hc->HFC_outb;
+	hc->HFC_inb_nodebug = hc->HFC_inb;
+	hc->HFC_inw_nodebug = hc->HFC_inw;
+	hc->HFC_wait_nodebug = hc->HFC_wait;
+#ifdef HFC_REGISTER_DEBUG
+	hc->HFC_outb = HFC_outb_debug;
+	hc->HFC_inb = HFC_inb_debug;
+	hc->HFC_inw = HFC_inw_debug;
+	hc->HFC_wait = HFC_wait_debug;
+#endif
+	/* create channels */
 	for (pt = 0; pt < hc->ports; pt++) {
 		if (Port_cnt >= MAX_PORTS) {
 			printk(KERN_ERR "too many ports (max=%d).\n",
@@ -4952,7 +5102,7 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 			ret_err = -EINVAL;
 			goto free_card;
 		}
-		if (hc->type == 1)
+		if (hc->ctype == HFC_TYPE_E1)
 			ret_err = init_e1_port(hc, m);
 		else
 			ret_err = init_multi_port(hc, pt);
@@ -5036,6 +5186,7 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
 		hc->iclock = mISDN_register_clock("HFCMulti", 0, clockctl, hc);
 
 	/* initialize hardware */
+	hc->irq = (m->irq) ? : hc->pci_dev->irq;
 	ret_err = init_card(hc);
 	if (ret_err) {
 		printk(KERN_ERR "init card returns %d\n", ret_err);
@@ -5074,7 +5225,7 @@ static void __devexit hfc_remove_pci(struct pci_dev *pdev)
 		spin_unlock_irqrestore(&HFClock, flags);
 	}  else {
 		if (debug)
-			printk(KERN_WARNING "%s: drvdata allready removed\n",
+			printk(KERN_DEBUG "%s: drvdata allready removed\n",
 			    __func__);
 	}
 }
@@ -5086,45 +5237,48 @@ static void __devexit hfc_remove_pci(struct pci_dev *pdev)
 #define VENDOR_PRIM	"PrimuX"
 
 static const struct hm_map hfcm_map[] = {
-/*0*/	{VENDOR_BN, "HFC-1S Card (mini PCI)", 4, 1, 1, 3, 0, DIP_4S, 0},
-/*1*/	{VENDOR_BN, "HFC-2S Card", 4, 2, 1, 3, 0, DIP_4S, 0},
-/*2*/	{VENDOR_BN, "HFC-2S Card (mini PCI)", 4, 2, 1, 3, 0, DIP_4S, 0},
-/*3*/	{VENDOR_BN, "HFC-4S Card", 4, 4, 1, 2, 0, DIP_4S, 0},
-/*4*/	{VENDOR_BN, "HFC-4S Card (mini PCI)", 4, 4, 1, 2, 0, 0, 0},
-/*5*/	{VENDOR_CCD, "HFC-4S Eval (old)", 4, 4, 0, 0, 0, 0, 0},
-/*6*/	{VENDOR_CCD, "HFC-4S IOB4ST", 4, 4, 1, 2, 0, DIP_4S, 0},
-/*7*/	{VENDOR_CCD, "HFC-4S", 4, 4, 1, 2, 0, 0, 0},
-/*8*/	{VENDOR_DIG, "HFC-4S Card", 4, 4, 0, 2, 0, 0, HFC_IO_MODE_REGIO},
-/*9*/	{VENDOR_CCD, "HFC-4S Swyx 4xS0 SX2 QuadBri", 4, 4, 1, 2, 0, 0, 0},
-/*10*/	{VENDOR_JH, "HFC-4S (junghanns 2.0)", 4, 4, 1, 2, 0, 0, 0},
-/*11*/	{VENDOR_PRIM, "HFC-2S Primux Card", 4, 2, 0, 0, 0, 0, 0},
-
-/*12*/	{VENDOR_BN, "HFC-8S Card", 8, 8, 1, 0, 0, 0, 0},
+/*0*/	{VENDOR_BN, "HFC-1S Card (mini PCI)", 4, 1, 1, 3, 0, DIP_4S, 0, 0},
+/*1*/	{VENDOR_BN, "HFC-2S Card", 4, 2, 1, 3, 0, DIP_4S, 0, 0},
+/*2*/	{VENDOR_BN, "HFC-2S Card (mini PCI)", 4, 2, 1, 3, 0, DIP_4S, 0, 0},
+/*3*/	{VENDOR_BN, "HFC-4S Card", 4, 4, 1, 2, 0, DIP_4S, 0, 0},
+/*4*/	{VENDOR_BN, "HFC-4S Card (mini PCI)", 4, 4, 1, 2, 0, 0, 0, 0},
+/*5*/	{VENDOR_CCD, "HFC-4S Eval (old)", 4, 4, 0, 0, 0, 0, 0, 0},
+/*6*/	{VENDOR_CCD, "HFC-4S IOB4ST", 4, 4, 1, 2, 0, DIP_4S, 0, 0},
+/*7*/	{VENDOR_CCD, "HFC-4S", 4, 4, 1, 2, 0, 0, 0, 0},
+/*8*/	{VENDOR_DIG, "HFC-4S Card", 4, 4, 0, 2, 0, 0, HFC_IO_MODE_REGIO, 0},
+/*9*/	{VENDOR_CCD, "HFC-4S Swyx 4xS0 SX2 QuadBri", 4, 4, 1, 2, 0, 0, 0, 0},
+/*10*/	{VENDOR_JH, "HFC-4S (junghanns 2.0)", 4, 4, 1, 2, 0, 0, 0, 0},
+/*11*/	{VENDOR_PRIM, "HFC-2S Primux Card", 4, 2, 0, 0, 0, 0, 0, 0},
+
+/*12*/	{VENDOR_BN, "HFC-8S Card", 8, 8, 1, 0, 0, 0, 0, 0},
 /*13*/	{VENDOR_BN, "HFC-8S Card (+)", 8, 8, 1, 8, 0, DIP_8S,
-		HFC_IO_MODE_REGIO},
-/*14*/	{VENDOR_CCD, "HFC-8S Eval (old)", 8, 8, 0, 0, 0, 0, 0},
-/*15*/	{VENDOR_CCD, "HFC-8S IOB4ST Recording", 8, 8, 1, 0, 0, 0, 0},
+		HFC_IO_MODE_REGIO, 0},
+/*14*/	{VENDOR_CCD, "HFC-8S Eval (old)", 8, 8, 0, 0, 0, 0, 0, 0},
+/*15*/	{VENDOR_CCD, "HFC-8S IOB4ST Recording", 8, 8, 1, 0, 0, 0, 0, 0},
 
-/*16*/	{VENDOR_CCD, "HFC-8S IOB8ST", 8, 8, 1, 0, 0, 0, 0},
-/*17*/	{VENDOR_CCD, "HFC-8S", 8, 8, 1, 0, 0, 0, 0},
-/*18*/	{VENDOR_CCD, "HFC-8S", 8, 8, 1, 0, 0, 0, 0},
+/*16*/	{VENDOR_CCD, "HFC-8S IOB8ST", 8, 8, 1, 0, 0, 0, 0, 0},
+/*17*/	{VENDOR_CCD, "HFC-8S", 8, 8, 1, 0, 0, 0, 0, 0},
+/*18*/	{VENDOR_CCD, "HFC-8S", 8, 8, 1, 0, 0, 0, 0, 0},
 
-/*19*/	{VENDOR_BN, "HFC-E1 Card", 1, 1, 0, 1, 0, DIP_E1, 0},
-/*20*/	{VENDOR_BN, "HFC-E1 Card (mini PCI)", 1, 1, 0, 1, 0, 0, 0},
-/*21*/	{VENDOR_BN, "HFC-E1+ Card (Dual)", 1, 1, 0, 1, 0, DIP_E1, 0},
-/*22*/	{VENDOR_BN, "HFC-E1 Card (Dual)", 1, 1, 0, 1, 0, DIP_E1, 0},
+/*19*/	{VENDOR_BN, "HFC-E1 Card", 1, 1, 0, 1, 0, DIP_E1, 0, 0},
+/*20*/	{VENDOR_BN, "HFC-E1 Card (mini PCI)", 1, 1, 0, 1, 0, 0, 0, 0},
+/*21*/	{VENDOR_BN, "HFC-E1+ Card (Dual)", 1, 1, 0, 1, 0, DIP_E1, 0, 0},
+/*22*/	{VENDOR_BN, "HFC-E1 Card (Dual)", 1, 1, 0, 1, 0, DIP_E1, 0, 0},
 
-/*23*/	{VENDOR_CCD, "HFC-E1 Eval (old)", 1, 1, 0, 0, 0, 0, 0},
-/*24*/	{VENDOR_CCD, "HFC-E1 IOB1E1", 1, 1, 0, 1, 0, 0, 0},
-/*25*/	{VENDOR_CCD, "HFC-E1", 1, 1, 0, 1, 0, 0, 0},
+/*23*/	{VENDOR_CCD, "HFC-E1 Eval (old)", 1, 1, 0, 0, 0, 0, 0, 0},
+/*24*/	{VENDOR_CCD, "HFC-E1 IOB1E1", 1, 1, 0, 1, 0, 0, 0, 0},
+/*25*/	{VENDOR_CCD, "HFC-E1", 1, 1, 0, 1, 0, 0, 0, 0},
 
 /*26*/	{VENDOR_CCD, "HFC-4S Speech Design", 4, 4, 0, 0, 0, 0,
-		HFC_IO_MODE_PLXSD},
+		HFC_IO_MODE_PLXSD, 0},
 /*27*/	{VENDOR_CCD, "HFC-E1 Speech Design", 1, 1, 0, 0, 0, 0,
-		HFC_IO_MODE_PLXSD},
-/*28*/	{VENDOR_CCD, "HFC-4S OpenVox", 4, 4, 1, 0, 0, 0, 0},
-/*29*/	{VENDOR_CCD, "HFC-2S OpenVox", 4, 2, 1, 0, 0, 0, 0},
-/*30*/	{VENDOR_CCD, "HFC-8S OpenVox", 8, 8, 1, 0, 0, 0, 0},
+		HFC_IO_MODE_PLXSD, 0},
+/*28*/	{VENDOR_CCD, "HFC-4S OpenVox", 4, 4, 1, 0, 0, 0, 0, 0},
+/*29*/	{VENDOR_CCD, "HFC-2S OpenVox", 4, 2, 1, 0, 0, 0, 0, 0},
+/*30*/	{VENDOR_CCD, "HFC-8S OpenVox", 8, 8, 1, 0, 0, 0, 0, 0},
+/*31*/	{VENDOR_CCD, "XHFC-4S Speech Design", 5, 4, 0, 0, 0, 0,
+		HFC_IO_MODE_EMBSD, XHFC_IRQ},
+/*32*/	{VENDOR_JH, "HFC-8S (junghanns)", 8, 8, 1, 0, 0, 0, 0, 0},
 };
 
 #undef H
@@ -5178,6 +5332,8 @@ static struct pci_device_id hfmultipci_ids[] __devinitdata = {
 		PCI_SUBDEVICE_ID_CCD_HFC8S, 0, 0, H(18)}, /* 8S */
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
 		PCI_SUBDEVICE_ID_CCD_OV8S, 0, 0, H(30)}, /* OpenVox 8 */
+	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
+		PCI_SUBDEVICE_ID_CCD_JH8S, 0, 0, H(32)}, /* Junganns 8S  */
 
 
 	/* Cards with HFC-E1 Chip */
@@ -5201,6 +5357,10 @@ static struct pci_device_id hfmultipci_ids[] __devinitdata = {
 		PCI_SUBDEVICE_ID_CCD_SPD4S, 0, 0, H(26)}, /* PLX PCI Bridge */
 	{ PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030, PCI_VENDOR_ID_CCD,
 		PCI_SUBDEVICE_ID_CCD_SPDE1, 0, 0, H(27)}, /* PLX PCI Bridge */
+
+	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFCE1, PCI_VENDOR_ID_CCD,
+		PCI_SUBDEVICE_ID_CCD_JHSE1, 0, 0, H(25)}, /* Junghanns E1 */
+
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_ANY_ID, PCI_ANY_ID,
 		0, 0, 0},
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_ANY_ID, PCI_ANY_ID,
@@ -5231,7 +5391,7 @@ hfcmulti_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		    "Please contact the driver maintainer for support.\n");
 		return -ENODEV;
 	}
-	ret = hfcmulti_init(pdev, ent);
+	ret = hfcmulti_init(m, pdev, ent);
 	if (ret)
 		return ret;
 	HFC_cnt++;
@@ -5261,6 +5421,8 @@ static int __init
 HFCmulti_init(void)
 {
 	int err;
+	int i, xhfc = 0;
+	struct hm_map m;
 
 	printk(KERN_INFO "mISDN: HFC-multi driver %s\n", HFC_MULTI_VERSION);
 
@@ -5308,11 +5470,43 @@ HFCmulti_init(void)
 	if (!clock)
 		clock = 1;
 
+	/* Register the embedded devices.
+	 * This should be done before the PCI cards registration */
+	switch (hwid) {
+	case HWID_MINIP4:
+		xhfc = 1;
+		m = hfcm_map[31];
+		break;
+	case HWID_MINIP8:
+		xhfc = 2;
+		m = hfcm_map[31];
+		break;
+	case HWID_MINIP16:
+		xhfc = 4;
+		m = hfcm_map[31];
+		break;
+	default:
+		xhfc = 0;
+	}
+
+	for (i = 0; i < xhfc; ++i) {
+		err = hfcmulti_init(&m, NULL, NULL);
+		if (err) {
+			printk(KERN_ERR "error registering embedded driver: "
+				"%x\n", err);
+			return -err;
+		}
+		HFC_cnt++;
+		printk(KERN_INFO "%d devices registered\n", HFC_cnt);
+	}
+
+	/* Register the PCI cards */
 	err = pci_register_driver(&hfcmultipci_driver);
 	if (err < 0) {
 		printk(KERN_ERR "error registering pci driver: %x\n", err);
 		return err;
 	}
+
 	return 0;
 }
 
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 641a9cd1a53..228ffbed128 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -257,7 +257,7 @@ reset_hfcpci(struct hfc_pci *hc)
 	Write_hfc(hc, HFCPCI_INT_M1, hc->hw.int_m1);
 
 	/* Clear already pending ints */
-	if (Read_hfc(hc, HFCPCI_INT_S1));
+	val = Read_hfc(hc, HFCPCI_INT_S1);
 
 	/* set NT/TE mode */
 	hfcpci_setmode(hc);
@@ -452,7 +452,7 @@ hfcpci_empty_bfifo(struct bchannel *bch, struct bzfifo *bz,
 		}
 		bz->za[new_f2].z2 = cpu_to_le16(new_z2);
 		bz->f2 = new_f2;	/* next buffer */
-		recv_Bchannel(bch);
+		recv_Bchannel(bch, MISDN_ID_ANY);
 	}
 }
 
@@ -499,7 +499,8 @@ receive_dmsg(struct hfc_pci *hc)
 			df->f2 = ((df->f2 + 1) & MAX_D_FRAMES) |
 			    (MAX_D_FRAMES + 1);	/* next buffer */
 			df->za[df->f2 & D_FREG_MASK].z2 =
-			    cpu_to_le16((le16_to_cpu(zp->z2) + rcnt) & (D_FIFO_SIZE - 1));
+			    cpu_to_le16((le16_to_cpu(zp->z2) + rcnt) &
+			    (D_FIFO_SIZE - 1));
 		} else {
 			dch->rx_skb = mI_alloc_skb(rcnt - 3, GFP_ATOMIC);
 			if (!dch->rx_skb) {
@@ -541,35 +542,45 @@ receive_dmsg(struct hfc_pci *hc)
  * check for transparent receive data and read max one 'poll' size if avail
  */
 static void
-hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
+hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *rxbz,
+	struct bzfifo *txbz, u_char *bdata)
 {
-	 __le16 *z1r, *z2r;
-	int		new_z2, fcnt, maxlen;
-	u_char		*ptr, *ptr1;
+	 __le16	*z1r, *z2r, *z1t, *z2t;
+	int	new_z2, fcnt_rx, fcnt_tx, maxlen;
+	u_char	*ptr, *ptr1;
 
-	z1r = &bz->za[MAX_B_FRAMES].z1;		/* pointer to z reg */
+	z1r = &rxbz->za[MAX_B_FRAMES].z1;	/* pointer to z reg */
 	z2r = z1r + 1;
+	z1t = &txbz->za[MAX_B_FRAMES].z1;
+	z2t = z1t + 1;
 
-	fcnt = le16_to_cpu(*z1r) - le16_to_cpu(*z2r);
-	if (!fcnt)
+	fcnt_rx = le16_to_cpu(*z1r) - le16_to_cpu(*z2r);
+	if (!fcnt_rx)
 		return;	/* no data avail */
 
-	if (fcnt <= 0)
-		fcnt += B_FIFO_SIZE;	/* bytes actually buffered */
-	new_z2 = le16_to_cpu(*z2r) + fcnt;	/* new position in fifo */
+	if (fcnt_rx <= 0)
+		fcnt_rx += B_FIFO_SIZE;	/* bytes actually buffered */
+	new_z2 = le16_to_cpu(*z2r) + fcnt_rx;	/* new position in fifo */
 	if (new_z2 >= (B_FIFO_SIZE + B_SUB_VAL))
 		new_z2 -= B_FIFO_SIZE;	/* buffer wrap */
 
-	if (fcnt > MAX_DATA_SIZE) {	/* flush, if oversized */
+	if (fcnt_rx > MAX_DATA_SIZE) {	/* flush, if oversized */
 		*z2r = cpu_to_le16(new_z2);		/* new position */
 		return;
 	}
 
-	bch->rx_skb = mI_alloc_skb(fcnt, GFP_ATOMIC);
+	fcnt_tx = le16_to_cpu(*z2t) - le16_to_cpu(*z1t);
+	if (fcnt_tx <= 0)
+		fcnt_tx += B_FIFO_SIZE;
+		    /* fcnt_tx contains available bytes in tx-fifo */
+	fcnt_tx = B_FIFO_SIZE - fcnt_tx;
+		    /* remaining bytes to send (bytes in tx-fifo) */
+
+	bch->rx_skb = mI_alloc_skb(fcnt_rx, GFP_ATOMIC);
 	if (bch->rx_skb) {
-		ptr = skb_put(bch->rx_skb, fcnt);
-		if (le16_to_cpu(*z2r) + fcnt <= B_FIFO_SIZE + B_SUB_VAL)
-			maxlen = fcnt;	/* complete transfer */
+		ptr = skb_put(bch->rx_skb, fcnt_rx);
+		if (le16_to_cpu(*z2r) + fcnt_rx <= B_FIFO_SIZE + B_SUB_VAL)
+			maxlen = fcnt_rx;	/* complete transfer */
 		else
 			maxlen = B_FIFO_SIZE + B_SUB_VAL - le16_to_cpu(*z2r);
 			    /* maximum */
@@ -577,14 +588,14 @@ hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
 		ptr1 = bdata + (le16_to_cpu(*z2r) - B_SUB_VAL);
 		    /* start of data */
 		memcpy(ptr, ptr1, maxlen);	/* copy data */
-		fcnt -= maxlen;
+		fcnt_rx -= maxlen;
 
-		if (fcnt) {	/* rest remaining */
+		if (fcnt_rx) {	/* rest remaining */
 			ptr += maxlen;
 			ptr1 = bdata;	/* start of buffer */
-			memcpy(ptr, ptr1, fcnt);	/* rest */
+			memcpy(ptr, ptr1, fcnt_rx);	/* rest */
 		}
-		recv_Bchannel(bch);
+		recv_Bchannel(bch, fcnt_tx); /* bch, id */
 	} else
 		printk(KERN_WARNING "HFCPCI: receive out of memory\n");
 
@@ -600,26 +611,28 @@ main_rec_hfcpci(struct bchannel *bch)
 	struct hfc_pci	*hc = bch->hw;
 	int		rcnt, real_fifo;
 	int		receive = 0, count = 5;
-	struct bzfifo	*bz;
+	struct bzfifo	*txbz, *rxbz;
 	u_char		*bdata;
 	struct zt	*zp;
 
 	if ((bch->nr & 2) && (!hc->hw.bswapped)) {
-		bz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b2;
+		rxbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b2;
+		txbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b2;
 		bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.rxdat_b2;
 		real_fifo = 1;
 	} else {
-		bz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b1;
+		rxbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b1;
+		txbz = &((union fifo_area *)(hc->hw.fifos))->b_chans.txbz_b1;
 		bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.rxdat_b1;
 		real_fifo = 0;
 	}
 Begin:
 	count--;
-	if (bz->f1 != bz->f2) {
+	if (rxbz->f1 != rxbz->f2) {
 		if (bch->debug & DEBUG_HW_BCHANNEL)
 			printk(KERN_DEBUG "hfcpci rec ch(%x) f1(%d) f2(%d)\n",
-			    bch->nr, bz->f1, bz->f2);
-		zp = &bz->za[bz->f2];
+			    bch->nr, rxbz->f1, rxbz->f2);
+		zp = &rxbz->za[rxbz->f2];
 
 		rcnt = le16_to_cpu(zp->z1) - le16_to_cpu(zp->z2);
 		if (rcnt < 0)
@@ -630,8 +643,8 @@ Begin:
 			    "hfcpci rec ch(%x) z1(%x) z2(%x) cnt(%d)\n",
 			    bch->nr, le16_to_cpu(zp->z1),
 			    le16_to_cpu(zp->z2), rcnt);
-		hfcpci_empty_bfifo(bch, bz, bdata, rcnt);
-		rcnt = bz->f1 - bz->f2;
+		hfcpci_empty_bfifo(bch, rxbz, bdata, rcnt);
+		rcnt = rxbz->f1 - rxbz->f2;
 		if (rcnt < 0)
 			rcnt += MAX_B_FRAMES + 1;
 		if (hc->hw.last_bfifo_cnt[real_fifo] > rcnt + 1) {
@@ -644,7 +657,7 @@ Begin:
 		else
 			receive = 0;
 	} else if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {
-		hfcpci_empty_fifo_trans(bch, bz, bdata);
+		hfcpci_empty_fifo_trans(bch, rxbz, txbz, bdata);
 		return;
 	} else
 		receive = 0;
@@ -954,6 +967,7 @@ static void
 ph_state_nt(struct dchannel *dch)
 {
 	struct hfc_pci	*hc = dch->hw;
+	u_char	val;
 
 	if (dch->debug)
 		printk(KERN_DEBUG "%s: NT newstate %x\n",
@@ -967,7 +981,7 @@ ph_state_nt(struct dchannel *dch)
 			hc->hw.int_m1 &= ~HFCPCI_INTS_TIMER;
 			Write_hfc(hc, HFCPCI_INT_M1, hc->hw.int_m1);
 			/* Clear already pending ints */
-			if (Read_hfc(hc, HFCPCI_INT_S1));
+			val = Read_hfc(hc, HFCPCI_INT_S1);
 			Write_hfc(hc, HFCPCI_STATES, 4 | HFCPCI_LOAD_STATE);
 			udelay(10);
 			Write_hfc(hc, HFCPCI_STATES, 4);
@@ -1256,8 +1270,7 @@ mode_hfcpci(struct bchannel *bch, int bc, int protocol)
 		rx_slot = (bc>>8) & 0xff;
 		tx_slot = (bc>>16) & 0xff;
 		bc = bc & 0xff;
-	} else if (test_bit(HFC_CFG_PCM, &hc->cfg) &&
-	    (protocol > ISDN_P_NONE))
+	} else if (test_bit(HFC_CFG_PCM, &hc->cfg) && (protocol > ISDN_P_NONE))
 		printk(KERN_WARNING "%s: no pcm channel id but HFC_CFG_PCM\n",
 		    __func__);
 	if (hc->chanlimit > 1) {
@@ -1315,8 +1328,8 @@ mode_hfcpci(struct bchannel *bch, int bc, int protocol)
 	case (ISDN_P_B_RAW):
 		bch->state = protocol;
 		bch->nr = bc;
-		hfcpci_clear_fifo_rx(hc, (fifo2 & 2)?1:0);
-		hfcpci_clear_fifo_tx(hc, (fifo2 & 2)?1:0);
+		hfcpci_clear_fifo_rx(hc, (fifo2 & 2) ? 1 : 0);
+		hfcpci_clear_fifo_tx(hc, (fifo2 & 2) ? 1 : 0);
 		if (bc & 2) {
 			hc->hw.sctrl |= SCTRL_B2_ENA;
 			hc->hw.sctrl_r |= SCTRL_B2_ENA;
@@ -1350,8 +1363,8 @@ mode_hfcpci(struct bchannel *bch, int bc, int protocol)
 	case (ISDN_P_B_HDLC):
 		bch->state = protocol;
 		bch->nr = bc;
-		hfcpci_clear_fifo_rx(hc, (fifo2 & 2)?1:0);
-		hfcpci_clear_fifo_tx(hc, (fifo2 & 2)?1:0);
+		hfcpci_clear_fifo_rx(hc, (fifo2 & 2) ? 1 : 0);
+		hfcpci_clear_fifo_tx(hc, (fifo2 & 2) ? 1 : 0);
 		if (bc & 2) {
 			hc->hw.sctrl |= SCTRL_B2_ENA;
 			hc->hw.sctrl_r |= SCTRL_B2_ENA;
@@ -1445,7 +1458,7 @@ set_hfcpci_rxtest(struct bchannel *bch, int protocol, int chan)
 	switch (protocol) {
 	case (ISDN_P_B_RAW):
 		bch->state = protocol;
-		hfcpci_clear_fifo_rx(hc, (chan & 2)?1:0);
+		hfcpci_clear_fifo_rx(hc, (chan & 2) ? 1 : 0);
 		if (chan & 2) {
 			hc->hw.sctrl_r |= SCTRL_B2_ENA;
 			hc->hw.fifo_en |= HFCPCI_FIFOEN_B2RX;
@@ -1470,7 +1483,7 @@ set_hfcpci_rxtest(struct bchannel *bch, int protocol, int chan)
 		break;
 	case (ISDN_P_B_HDLC):
 		bch->state = protocol;
-		hfcpci_clear_fifo_rx(hc, (chan & 2)?1:0);
+		hfcpci_clear_fifo_rx(hc, (chan & 2) ? 1 : 0);
 		if (chan & 2) {
 			hc->hw.sctrl_r |= SCTRL_B2_ENA;
 			hc->hw.last_bfifo_cnt[1] = 0;
@@ -1793,10 +1806,9 @@ init_card(struct hfc_pci *hc)
 			printk(KERN_WARNING
 			    "HFC PCI: IRQ(%d) getting no interrupts "
 			    "during init %d\n", hc->irq, 4 - cnt);
-			if (cnt == 1) {
-				spin_unlock_irqrestore(&hc->lock, flags);
-				return -EIO;
-			} else {
+			if (cnt == 1)
+				break;
+			else {
 				reset_hfcpci(hc);
 				cnt--;
 			}
@@ -2035,7 +2047,8 @@ setup_hw(struct hfc_pci *hc)
 		printk(KERN_WARNING "HFC-PCI: No IRQ for PCI card found\n");
 		return 1;
 	}
-	hc->hw.pci_io = (char __iomem *)(unsigned long)hc->pdev->resource[1].start;
+	hc->hw.pci_io =
+		(char __iomem *)(unsigned long)hc->pdev->resource[1].start;
 
 	if (!hc->hw.pci_io) {
 		printk(KERN_WARNING "HFC-PCI: No IO-Mem for PCI card found\n");
@@ -2277,7 +2290,7 @@ hfc_remove_pci(struct pci_dev *pdev)
 		release_card(card);
 	else
 		if (debug)
-			printk(KERN_WARNING "%s: drvdata already removed\n",
+			printk(KERN_DEBUG "%s: drvdata already removed\n",
 			    __func__);
 }
 
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c
index 9c427fb204e..6b7704c41b9 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.c
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.c
@@ -947,7 +947,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,
 				if (fifo->dch)
 					recv_Dchannel(fifo->dch);
 				if (fifo->bch)
-					recv_Bchannel(fifo->bch);
+					recv_Bchannel(fifo->bch, MISDN_ID_ANY);
 				if (fifo->ech)
 					recv_Echannel(fifo->ech,
 						     &hw->dch);
@@ -969,7 +969,7 @@ hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,
 	} else {
 		/* deliver transparent data to layer2 */
 		if (rx_skb->len >= poll)
-			recv_Bchannel(fifo->bch);
+			recv_Bchannel(fifo->bch, MISDN_ID_ANY);
 	}
 	spin_unlock(&hw->lock);
 }
diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c
index f1265667b06..3d337d924c2 100644
--- a/drivers/isdn/hisax/hfc_pci.c
+++ b/drivers/isdn/hisax/hfc_pci.c
@@ -82,8 +82,9 @@ release_io_hfcpci(struct IsdnCardState *cs)
 	Write_hfc(cs, HFCPCI_INT_M2, cs->hw.hfcpci.int_m2);
 	pci_write_config_word(cs->hw.hfcpci.dev, PCI_COMMAND, 0);	/* disable memory mapped ports + busmaster */
 	del_timer(&cs->hw.hfcpci.timer);
-	kfree(cs->hw.hfcpci.share_start);
-	cs->hw.hfcpci.share_start = NULL;
+	pci_free_consistent(cs->hw.hfcpci.dev, 0x8000,
+		cs->hw.hfcpci.fifos, cs->hw.hfcpci.dma);
+	cs->hw.hfcpci.fifos = NULL;
 	iounmap((void *)cs->hw.hfcpci.pci_io);
 }
 
@@ -1663,8 +1664,19 @@ setup_hfcpci(struct IsdnCard *card)
 					     dev_hfcpci);
 		i++;
 		if (tmp_hfcpci) {
+			dma_addr_t	dma_mask = DMA_BIT_MASK(32) & ~0x7fffUL;
 			if (pci_enable_device(tmp_hfcpci))
 				continue;
+			if (pci_set_dma_mask(tmp_hfcpci, dma_mask)) {
+				printk(KERN_WARNING
+					"HiSax hfc_pci: No suitable DMA available.\n");
+				continue;
+			}
+			if (pci_set_consistent_dma_mask(tmp_hfcpci, dma_mask)) {
+				printk(KERN_WARNING
+					"HiSax hfc_pci: No suitable consistent DMA available.\n");
+				continue;
+			}
 			pci_set_master(tmp_hfcpci);
 			if ((card->para[0]) && (card->para[0] != (tmp_hfcpci->resource[ 0].start & PCI_BASE_ADDRESS_IO_MASK)))
 				continue;
@@ -1693,22 +1705,29 @@ setup_hfcpci(struct IsdnCard *card)
 		printk(KERN_WARNING "HFC-PCI: No IO-Mem for PCI card found\n");
 		return (0);
 	}
+
 	/* Allocate memory for FIFOS */
-	/* Because the HFC-PCI needs a 32K physical alignment, we */
-	/* need to allocate the double mem and align the address */
-	if (!(cs->hw.hfcpci.share_start = kmalloc(65536, GFP_KERNEL))) {
-		printk(KERN_WARNING "HFC-PCI: Error allocating memory for FIFO!\n");
+	cs->hw.hfcpci.fifos = pci_alloc_consistent(cs->hw.hfcpci.dev,
+					0x8000, &cs->hw.hfcpci.dma);
+	if (!cs->hw.hfcpci.fifos) {
+		printk(KERN_WARNING "HFC-PCI: Error allocating FIFO memory!\n");
+		return 0;
+	}
+	if (cs->hw.hfcpci.dma & 0x7fff) {
+		printk(KERN_WARNING
+		    "HFC-PCI: Error DMA memory not on 32K boundary (%lx)\n",
+		    (u_long)cs->hw.hfcpci.dma);
+		pci_free_consistent(cs->hw.hfcpci.dev, 0x8000,
+			cs->hw.hfcpci.fifos, cs->hw.hfcpci.dma);
 		return 0;
 	}
-	cs->hw.hfcpci.fifos = (void *)
-	    (((ulong) cs->hw.hfcpci.share_start) & ~0x7FFF) + 0x8000;
-	pci_write_config_dword(cs->hw.hfcpci.dev, 0x80, (u_int) virt_to_bus(cs->hw.hfcpci.fifos));
+	pci_write_config_dword(cs->hw.hfcpci.dev, 0x80, (u32)cs->hw.hfcpci.dma);
 	cs->hw.hfcpci.pci_io = ioremap((ulong) cs->hw.hfcpci.pci_io, 256);
 	printk(KERN_INFO
-	       "HFC-PCI: defined at mem %p fifo %p(%#x) IRQ %d HZ %d\n",
+	       "HFC-PCI: defined at mem %p fifo %p(%lx) IRQ %d HZ %d\n",
 	       cs->hw.hfcpci.pci_io,
 	       cs->hw.hfcpci.fifos,
-	       (u_int) virt_to_bus(cs->hw.hfcpci.fifos),
+	       (u_long)cs->hw.hfcpci.dma,
 	       cs->irq, HZ);
 
 	spin_lock_irqsave(&cs->lock, flags);
diff --git a/drivers/isdn/hisax/hisax.h b/drivers/isdn/hisax/hisax.h
index f8527046f19..0685c194696 100644
--- a/drivers/isdn/hisax/hisax.h
+++ b/drivers/isdn/hisax/hisax.h
@@ -703,7 +703,7 @@ struct hfcPCI_hw {
         int nt_timer;
         struct pci_dev *dev;
         unsigned char *pci_io; /* start of PCI IO memory */
-        void *share_start; /* shared memory for Fifos start */
+	dma_addr_t dma; /* dma handle for Fifos */
         void *fifos; /* FIFO memory */ 
         int last_bfifo_cnt[2]; /* marker saving last b-fifo frame count */
 	struct timer_list timer;
diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c
index 53f6ad1235d..4ffaa14b9fc 100644
--- a/drivers/isdn/hysdn/hycapi.c
+++ b/drivers/isdn/hysdn/hycapi.c
@@ -67,7 +67,7 @@ hycapi_reset_ctr(struct capi_ctr *ctrl)
 	printk(KERN_NOTICE "HYCAPI hycapi_reset_ctr\n");
 #endif
 	capilib_release(&cinfo->ncci_head);
-	capi_ctr_reseted(ctrl);
+	capi_ctr_down(ctrl);
 }
 
 /******************************
@@ -347,7 +347,7 @@ int hycapi_capi_stop(hysdn_card *card)
 	if(cinfo) {
 		ctrl = &cinfo->capi_ctrl;
 /*		ctrl->suspend_output(ctrl); */
-		capi_ctr_reseted(ctrl);
+		capi_ctr_down(ctrl);
 	}
 	return 0;
 }
diff --git a/drivers/isdn/i4l/Kconfig b/drivers/isdn/i4l/Kconfig
index 36778b270c3..ed3510f273d 100644
--- a/drivers/isdn/i4l/Kconfig
+++ b/drivers/isdn/i4l/Kconfig
@@ -135,5 +135,3 @@ source "drivers/isdn/act2000/Kconfig"
 source "drivers/isdn/hysdn/Kconfig"
 
 endmenu
-
-source "drivers/isdn/gigaset/Kconfig"
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index cb8943da4f1..34d54e7281f 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1069,7 +1069,7 @@ isdn_net_xmit(struct net_device *ndev, struct sk_buff *skb)
 	lp = isdn_net_get_locked_lp(nd);
 	if (!lp) {
 		printk(KERN_WARNING "%s: all channels busy - requeuing!\n", ndev->name);
-		return 1;
+		return NETDEV_TX_BUSY;
 	}
 	/* we have our lp locked from now on */
 
@@ -1273,14 +1273,14 @@ isdn_net_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 					spin_unlock_irqrestore(&dev->lock, flags);
 					isdn_net_dial();	/* Initiate dialing */
 					netif_stop_queue(ndev);
-					return 1;	/* let upper layer requeue skb packet */
+					return NETDEV_TX_BUSY;	/* let upper layer requeue skb packet */
 				}
 #endif
 				/* Initiate dialing */
 				spin_unlock_irqrestore(&dev->lock, flags);
 				isdn_net_dial();
 				isdn_net_device_stop_queue(lp);
-				return 1;
+				return NETDEV_TX_BUSY;
 			} else {
 				isdn_net_unreachable(ndev, skb,
 						     "No phone number");
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 1a2222cbb80..b4d4522e507 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1592,7 +1592,7 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp)
 	int retval, line;
 
 	line = tty->index;
-	if (line < 0 || line > ISDN_MAX_CHANNELS)
+	if (line < 0 || line >= ISDN_MAX_CHANNELS)
 		return -ENODEV;
 	info = &dev->mdm.info[line];
 	if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_open"))
diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index 9426c9827e4..21d34be5af6 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -214,7 +214,7 @@ get_free_devid(void)
 		if (!test_and_set_bit(i, (u_long *)&device_ids))
 			break;
 	if (i > MAX_DEVICE_ID)
-		return -1;
+		return -EBUSY;
 	return i;
 }
 
@@ -224,10 +224,10 @@ mISDN_register_device(struct mISDNdevice *dev,
 {
 	int	err;
 
-	dev->id = get_free_devid();
-	err = -EBUSY;
-	if (dev->id < 0)
+	err = get_free_devid();
+	if (err < 0)
 		goto error1;
+	dev->id = err;
 
 	device_initialize(&dev->dev);
 	if (name && name[0])
diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h
index 98a33c58f09..18af86879c0 100644
--- a/drivers/isdn/mISDN/dsp.h
+++ b/drivers/isdn/mISDN/dsp.h
@@ -112,9 +112,11 @@ struct dsp_conf {
 
 #define DSP_DTMF_NPOINTS 102
 
-#define ECHOCAN_BUFLEN (4*128)
+#define ECHOCAN_BUFF_SIZE 0x400 /* must be 2**n */
+#define ECHOCAN_BUFF_MASK 0x3ff /* -1 */
 
 struct dsp_dtmf {
+	int		enable; /* dtmf is enabled */
 	int		treshold; /* above this is dtmf (square of) */
 	int		software; /* dtmf uses software decoding */
 	int		hardware; /* dtmf uses hardware decoding */
@@ -123,7 +125,7 @@ struct dsp_dtmf {
 		/* buffers one full dtmf frame */
 	u8		lastwhat, lastdigit;
 	int		count;
-	u8		digits[16]; /* just the dtmf result */
+	u8		digits[16]; /* dtmf result */
 };
 
 
@@ -150,6 +152,15 @@ struct dsp_tone {
 	struct timer_list tl;
 };
 
+/***************
+ * echo stuff *
+ ***************/
+
+struct dsp_echo {
+	int		software; /* echo is generated by software */
+	int		hardware; /* echo is generated by hardware */
+};
+
 /*****************
  * general stuff *
  *****************/
@@ -160,7 +171,7 @@ struct dsp {
 	struct mISDNchannel	*up;
 	unsigned char	name[64];
 	int		b_active;
-	int		echo; /* echo is enabled */
+	struct dsp_echo	echo;
 	int		rx_disabled; /* what the user wants */
 	int		rx_is_off; /* what the card is */
 	int		tx_mix;
@@ -261,5 +272,5 @@ extern int  dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg);
 extern void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data,
 		int len);
 extern void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data,
-		int len);
+		int len, unsigned int txlen);
 
diff --git a/drivers/isdn/mISDN/dsp_audio.c b/drivers/isdn/mISDN/dsp_audio.c
index de3795e3f43..9c7c6451bf3 100644
--- a/drivers/isdn/mISDN/dsp_audio.c
+++ b/drivers/isdn/mISDN/dsp_audio.c
@@ -210,9 +210,8 @@ dsp_audio_generate_seven(void)
 		j = 0;
 		for (k = 0; k < 256; k++) {
 			if (dsp_audio_alaw_to_s32[k]
-				< dsp_audio_alaw_to_s32[i]) {
-			j++;
-			}
+			    < dsp_audio_alaw_to_s32[i])
+				j++;
 		}
 		sorted_alaw[j] = i;
 	}
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index 58c43e429f7..9c7c0d1ba55 100644
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -163,8 +163,9 @@ dsp_cmx_debug(struct dsp *dsp)
 
 	printk(KERN_DEBUG "-----Current DSP\n");
 	list_for_each_entry(odsp, &dsp_ilist, list) {
-		printk(KERN_DEBUG "* %s echo=%d txmix=%d",
-		    odsp->name, odsp->echo, odsp->tx_mix);
+		printk(KERN_DEBUG "* %s hardecho=%d softecho=%d txmix=%d",
+		    odsp->name, odsp->echo.hardware, odsp->echo.software,
+		    odsp->tx_mix);
 		if (odsp->conf)
 			printk(" (Conf %d)", odsp->conf->id);
 		if (dsp == odsp)
@@ -177,10 +178,12 @@ dsp_cmx_debug(struct dsp *dsp)
 		list_for_each_entry(member, &conf->mlist, list) {
 			printk(KERN_DEBUG
 			    "  - member = %s (slot_tx %d, bank_tx %d, "
-			    "slot_rx %d, bank_rx %d hfc_conf %d)%s\n",
+			    "slot_rx %d, bank_rx %d hfc_conf %d "
+			    "tx_data %d rx_is_off %d)%s\n",
 			    member->dsp->name, member->dsp->pcm_slot_tx,
 			    member->dsp->pcm_bank_tx, member->dsp->pcm_slot_rx,
 			    member->dsp->pcm_bank_rx, member->dsp->hfc_conf,
+			    member->dsp->tx_data, member->dsp->rx_is_off,
 			    (member->dsp == dsp) ? " *this*" : "");
 		}
 	}
@@ -235,7 +238,7 @@ dsp_cmx_add_conf_member(struct dsp *dsp, struct dsp_conf *conf)
 
 	member = kzalloc(sizeof(struct dsp_conf_member), GFP_ATOMIC);
 	if (!member) {
-		printk(KERN_ERR "kmalloc struct dsp_conf_member failed\n");
+		printk(KERN_ERR "kzalloc struct dsp_conf_member failed\n");
 		return -ENOMEM;
 	}
 	member->dsp = dsp;
@@ -314,7 +317,7 @@ static struct dsp_conf
 
 	conf = kzalloc(sizeof(struct dsp_conf), GFP_ATOMIC);
 	if (!conf) {
-		printk(KERN_ERR "kmalloc struct dsp_conf failed\n");
+		printk(KERN_ERR "kzalloc struct dsp_conf failed\n");
 		return NULL;
 	}
 	INIT_LIST_HEAD(&conf->mlist);
@@ -385,7 +388,7 @@ dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp)
 	int		freeunits[8];
 	u_char		freeslots[256];
 	int		same_hfc = -1, same_pcm = -1, current_conf = -1,
-	    all_conf = 1;
+	    all_conf = 1, tx_data = 0;
 
 	/* dsp gets updated (no conf) */
 	if (!conf) {
@@ -409,7 +412,7 @@ one_member:
 		/* process hw echo */
 		if (dsp->features.pcm_banks < 1)
 			return;
-		if (!dsp->echo) {
+		if (!dsp->echo.software && !dsp->echo.hardware) {
 			/* NO ECHO: remove PCM slot if assigned */
 			if (dsp->pcm_slot_tx >= 0 || dsp->pcm_slot_rx >= 0) {
 				if (dsp_debug & DEBUG_DSP_CMX)
@@ -427,10 +430,15 @@ one_member:
 			}
 			return;
 		}
+		/* echo is enabled, find out if we use soft or hardware */
+		dsp->echo.software = dsp->tx_data;
+		dsp->echo.hardware = 0;
 		/* ECHO: already echo */
 		if (dsp->pcm_slot_tx >= 0 && dsp->pcm_slot_rx < 0 &&
-		    dsp->pcm_bank_tx == 2 && dsp->pcm_bank_rx == 2)
+		    dsp->pcm_bank_tx == 2 && dsp->pcm_bank_rx == 2) {
+			dsp->echo.hardware = 1;
 			return;
+		}
 		/* ECHO: if slot already assigned */
 		if (dsp->pcm_slot_tx >= 0) {
 			dsp->pcm_slot_rx = dsp->pcm_slot_tx;
@@ -443,6 +451,7 @@ one_member:
 				    dsp->pcm_slot_tx);
 			dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_CONN,
 			    dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
+			dsp->echo.hardware = 1;
 			return;
 		}
 		/* ECHO: find slot */
@@ -472,6 +481,7 @@ one_member:
 				    "%s no slot available for echo\n",
 				    __func__);
 			/* no more slots available */
+			dsp->echo.software = 1;
 			return;
 		}
 		/* assign free slot */
@@ -485,6 +495,7 @@ one_member:
 			    __func__, dsp->name, dsp->pcm_slot_tx);
 		dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_CONN,
 		    dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
+		dsp->echo.hardware = 1;
 		return;
 	}
 
@@ -554,7 +565,7 @@ conf_software:
 			return;
 		}
 		/* check if member has echo turned on */
-		if (member->dsp->echo) {
+		if (member->dsp->echo.hardware || member->dsp->echo.software) {
 			if (dsp_debug & DEBUG_DSP_CMX)
 				printk(KERN_DEBUG
 				    "%s dsp %s cannot form a conf, because "
@@ -592,10 +603,9 @@ conf_software:
 		if (member->dsp->tx_data) {
 			if (dsp_debug & DEBUG_DSP_CMX)
 				printk(KERN_DEBUG
-				    "%s dsp %s cannot form a conf, because "
-				    "tx_data is turned on\n",
+				    "%s dsp %s tx_data is turned on\n",
 				    __func__, member->dsp->name);
-			goto conf_software;
+			tx_data = 1;
 		}
 		/* check if pipeline exists */
 		if (member->dsp->pipeline.inuse) {
@@ -794,7 +804,7 @@ conf_software:
 			    nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
 			    nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
 			conf->hardware = 1;
-			conf->software = 0;
+			conf->software = tx_data;
 			return;
 		/* if members have one bank (or on the same chip) */
 		} else {
@@ -904,7 +914,7 @@ conf_software:
 			    nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
 			    nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
 			conf->hardware = 1;
-			conf->software = 0;
+			conf->software = tx_data;
 			return;
 		}
 	}
@@ -937,6 +947,10 @@ conf_software:
 	if (current_conf >= 0) {
 join_members:
 		list_for_each_entry(member, &conf->mlist, list) {
+			/* if no conference engine on our chip, change to
+			 * software */
+			if (!member->dsp->features.hfc_conf)
+				goto conf_software;
 			/* in case of hdlc, change to software */
 			if (member->dsp->hdlc)
 				goto conf_software;
@@ -1295,17 +1309,25 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
 	int r, rr, t, tt, o_r, o_rr;
 	int preload = 0;
 	struct mISDNhead *hh, *thh;
+	int tx_data_only = 0;
 
 	/* don't process if: */
 	if (!dsp->b_active) { /* if not active */
 		dsp->last_tx = 0;
 		return;
 	}
-	if (dsp->pcm_slot_tx >= 0 && /* connected to pcm slot */
+	if (((dsp->conf && dsp->conf->hardware) || /* hardware conf */
+	    dsp->echo.hardware) && /* OR hardware echo */
 	    dsp->tx_R == dsp->tx_W && /* AND no tx-data */
 	    !(dsp->tone.tone && dsp->tone.software)) { /* AND not soft tones */
-		dsp->last_tx = 0;
-		return;
+		if (!dsp->tx_data) { /* no tx_data for user space required */
+			dsp->last_tx = 0;
+			return;
+		}
+		if (dsp->conf && dsp->conf->software && dsp->conf->hardware)
+			tx_data_only = 1;
+		if (dsp->conf->software && dsp->echo.hardware)
+			tx_data_only = 1;
 	}
 
 #ifdef CMX_DEBUG
@@ -1367,7 +1389,8 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
 		while (r != rr && t != tt) {
 #ifdef CMX_TX_DEBUG
 			if (strlen(debugbuf) < 48)
-			    sprintf(debugbuf+strlen(debugbuf), " %02x", p[t]);
+				sprintf(debugbuf+strlen(debugbuf), " %02x",
+				    p[t]);
 #endif
 			*d++ = p[t]; /* write tx_buff */
 			t = (t+1) & CMX_BUFF_MASK;
@@ -1388,7 +1411,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
 	/* PROCESS DATA (one member / no conf) */
 	if (!conf || members <= 1) {
 		/* -> if echo is NOT enabled */
-		if (!dsp->echo) {
+		if (!dsp->echo.software) {
 			/* -> send tx-data if available or use 0-volume */
 			while (r != rr && t != tt) {
 				*d++ = p[t]; /* write tx_buff */
@@ -1438,7 +1461,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
 		o_r = (o_rr - rr + r) & CMX_BUFF_MASK;
 			/* start rx-pointer at current read position*/
 		/* -> if echo is NOT enabled */
-		if (!dsp->echo) {
+		if (!dsp->echo.software) {
 			/*
 			 * -> copy other member's rx-data,
 			 * if tx-data is available, mix
@@ -1486,7 +1509,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
 #endif
 	/* PROCESS DATA (three or more members) */
 	/* -> if echo is NOT enabled */
-	if (!dsp->echo) {
+	if (!dsp->echo.software) {
 		/*
 		 * -> substract rx-data from conf-data,
 		 * if tx-data is available, mix
@@ -1550,27 +1573,40 @@ send_packet:
 	 * becuase we want what we send, not what we filtered
 	 */
 	if (dsp->tx_data) {
-		/* PREPARE RESULT */
-		txskb = mI_alloc_skb(len, GFP_ATOMIC);
-		if (!txskb) {
-			printk(KERN_ERR
-			    "FATAL ERROR in mISDN_dsp.o: "
-			    "cannot alloc %d bytes\n", len);
+		if (tx_data_only) {
+			hh->prim = DL_DATA_REQ;
+			hh->id = 0;
+			/* queue and trigger */
+			skb_queue_tail(&dsp->sendq, nskb);
+			schedule_work(&dsp->workq);
+			/* exit because only tx_data is used */
+			return;
 		} else {
-			thh = mISDN_HEAD_P(txskb);
-			thh->prim = DL_DATA_REQ;
-			thh->id = 0;
-			memcpy(skb_put(txskb, len), nskb->data+preload, len);
-			/* queue (trigger later) */
-			skb_queue_tail(&dsp->sendq, txskb);
+			txskb = mI_alloc_skb(len, GFP_ATOMIC);
+			if (!txskb) {
+				printk(KERN_ERR
+				    "FATAL ERROR in mISDN_dsp.o: "
+				    "cannot alloc %d bytes\n", len);
+			} else {
+				thh = mISDN_HEAD_P(txskb);
+				thh->prim = DL_DATA_REQ;
+				thh->id = 0;
+				memcpy(skb_put(txskb, len), nskb->data+preload,
+					len);
+				/* queue (trigger later) */
+				skb_queue_tail(&dsp->sendq, txskb);
+			}
 		}
 	}
+
+	/* send data only to card, if we don't just calculated tx_data */
 	/* adjust volume */
 	if (dsp->tx_volume)
 		dsp_change_volume(nskb, dsp->tx_volume);
 	/* pipeline */
 	if (dsp->pipeline.inuse)
-		dsp_pipeline_process_tx(&dsp->pipeline, nskb->data, nskb->len);
+		dsp_pipeline_process_tx(&dsp->pipeline, nskb->data,
+			nskb->len);
 	/* crypt */
 	if (dsp->bf_enable)
 		dsp_bf_encrypt(dsp, nskb->data, nskb->len);
@@ -1592,7 +1628,8 @@ dsp_cmx_send(void *arg)
 	struct dsp_conf_member *member;
 	struct dsp *dsp;
 	int mustmix, members;
-	s32 mixbuffer[MAX_POLL+100], *c;
+	static s32 mixbuffer[MAX_POLL+100];
+	s32 *c;
 	u8 *p, *q;
 	int r, rr;
 	int jittercheck = 0, delay, i;
@@ -1890,10 +1927,8 @@ dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb)
 
 	/* no conf */
 	if (!dsp->conf) {
-		/* in case of hardware (echo) */
-		if (dsp->pcm_slot_tx >= 0)
-			return;
-		if (dsp->echo) {
+		/* in case of software echo */
+		if (dsp->echo.software) {
 			nskb = skb_clone(skb, GFP_ATOMIC);
 			if (nskb) {
 				hh = mISDN_HEAD_P(nskb);
@@ -1909,7 +1944,7 @@ dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb)
 	if (dsp->conf->hardware)
 		return;
 	list_for_each_entry(member, &dsp->conf->mlist, list) {
-		if (dsp->echo || member->dsp != dsp) {
+		if (dsp->echo.software || member->dsp != dsp) {
 			nskb = skb_clone(skb, GFP_ATOMIC);
 			if (nskb) {
 				hh = mISDN_HEAD_P(nskb);
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 47dbfe298b4..77ee2867c8b 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -203,13 +203,13 @@ dsp_rx_off_member(struct dsp *dsp)
 	else if (dsp->dtmf.software)
 		rx_off = 0;
 	/* echo in software */
-	else if (dsp->echo && dsp->pcm_slot_tx < 0)
+	else if (dsp->echo.software)
 		rx_off = 0;
 	/* bridge in software */
-	else if (dsp->conf) {
-		if (dsp->conf->software)
-			rx_off = 0;
-	}
+	else if (dsp->conf && dsp->conf->software)
+		rx_off = 0;
+	/* data is not required by user space and not required
+	 * for echo dtmf detection, soft-echo, soft-bridging */
 
 	if (rx_off == dsp->rx_is_off)
 		return;
@@ -280,7 +280,7 @@ dsp_fill_empty(struct dsp *dsp)
 static int
 dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb)
 {
-	struct		sk_buff *nskb;
+	struct sk_buff	*nskb;
 	int ret = 0;
 	int cont;
 	u8 *data;
@@ -306,15 +306,18 @@ dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb)
 					"to %d\n", *((int *)data));
 			dsp->dtmf.treshold = (*(int *)data) * 10000;
 		}
+		dsp->dtmf.enable = 1;
 		/* init goertzel */
 		dsp_dtmf_goertzel_init(dsp);
 
 		/* check dtmf hardware */
 		dsp_dtmf_hardware(dsp);
+		dsp_rx_off(dsp);
 		break;
 	case DTMF_TONE_STOP: /* turn off DTMF */
 		if (dsp_debug & DEBUG_DSP_CORE)
 			printk(KERN_DEBUG "%s: stop dtmf\n", __func__);
+		dsp->dtmf.enable = 0;
 		dsp->dtmf.hardware = 0;
 		dsp->dtmf.software = 0;
 		break;
@@ -414,7 +417,7 @@ tone_off:
 		dsp_rx_off(dsp);
 		break;
 	case DSP_ECHO_ON: /* enable echo */
-		dsp->echo = 1; /* soft echo */
+		dsp->echo.software = 1; /* soft echo */
 		if (dsp_debug & DEBUG_DSP_CORE)
 			printk(KERN_DEBUG "%s: enable cmx-echo\n", __func__);
 		dsp_cmx_hardware(dsp->conf, dsp);
@@ -423,7 +426,8 @@ tone_off:
 			dsp_cmx_debug(dsp);
 		break;
 	case DSP_ECHO_OFF: /* disable echo */
-		dsp->echo = 0;
+		dsp->echo.software = 0;
+		dsp->echo.hardware = 0;
 		if (dsp_debug & DEBUG_DSP_CORE)
 			printk(KERN_DEBUG "%s: disable cmx-echo\n", __func__);
 		dsp_cmx_hardware(dsp->conf, dsp);
@@ -556,7 +560,7 @@ tone_off:
 			dsp->pipeline.inuse = 1;
 			dsp_cmx_hardware(dsp->conf, dsp);
 			ret = dsp_pipeline_build(&dsp->pipeline,
-				len > 0 ? (char *)data : NULL);
+				len > 0 ? data : NULL);
 			dsp_cmx_hardware(dsp->conf, dsp);
 			dsp_rx_off(dsp);
 		}
@@ -657,11 +661,10 @@ get_features(struct mISDNchannel *ch)
 static int
 dsp_function(struct mISDNchannel *ch,  struct sk_buff *skb)
 {
-	struct dsp			*dsp = container_of(ch, struct dsp, ch);
+	struct dsp		*dsp = container_of(ch, struct dsp, ch);
 	struct mISDNhead	*hh;
 	int			ret = 0;
-	u8			*digits;
-	int			cont;
+	u8			*digits = NULL;
 	u_long			flags;
 
 	hh = mISDN_HEAD_P(skb);
@@ -704,50 +707,55 @@ dsp_function(struct mISDNchannel *ch,  struct sk_buff *skb)
 			break;
 		}
 
+		spin_lock_irqsave(&dsp_lock, flags);
+
 		/* decrypt if enabled */
 		if (dsp->bf_enable)
 			dsp_bf_decrypt(dsp, skb->data, skb->len);
 		/* pipeline */
 		if (dsp->pipeline.inuse)
 			dsp_pipeline_process_rx(&dsp->pipeline, skb->data,
-				skb->len);
+				skb->len, hh->id);
 		/* change volume if requested */
 		if (dsp->rx_volume)
 			dsp_change_volume(skb, dsp->rx_volume);
-
 		/* check if dtmf soft decoding is turned on */
 		if (dsp->dtmf.software) {
 			digits = dsp_dtmf_goertzel_decode(dsp, skb->data,
-				skb->len, (dsp_options&DSP_OPT_ULAW)?1:0);
+				skb->len, (dsp_options&DSP_OPT_ULAW) ? 1 : 0);
+		}
+		/* we need to process receive data if software */
+		if (dsp->conf && dsp->conf->software) {
+			/* process data from card at cmx */
+			dsp_cmx_receive(dsp, skb);
+		}
+
+		spin_unlock_irqrestore(&dsp_lock, flags);
+
+		/* send dtmf result, if any */
+		if (digits) {
 			while (*digits) {
+				int k;
 				struct sk_buff *nskb;
 				if (dsp_debug & DEBUG_DSP_DTMF)
 					printk(KERN_DEBUG "%s: digit"
 					    "(%c) to layer %s\n",
 					    __func__, *digits, dsp->name);
-				cont = DTMF_TONE_VAL | *digits;
+				k = *digits | DTMF_TONE_VAL;
 				nskb = _alloc_mISDN_skb(PH_CONTROL_IND,
-				    MISDN_ID_ANY, sizeof(int), &cont,
-				    GFP_ATOMIC);
+					MISDN_ID_ANY, sizeof(int), &k,
+					GFP_ATOMIC);
 				if (nskb) {
 					if (dsp->up) {
 						if (dsp->up->send(
 						    dsp->up, nskb))
-						dev_kfree_skb(nskb);
+							dev_kfree_skb(nskb);
 					} else
 						dev_kfree_skb(nskb);
 				}
 				digits++;
 			}
 		}
-		/* we need to process receive data if software */
-		spin_lock_irqsave(&dsp_lock, flags);
-		if (dsp->pcm_slot_tx < 0 && dsp->pcm_slot_rx < 0) {
-			/* process data from card at cmx */
-			dsp_cmx_receive(dsp, skb);
-		}
-		spin_unlock_irqrestore(&dsp_lock, flags);
-
 		if (dsp->rx_disabled) {
 			/* if receive is not allowed */
 			break;
@@ -787,7 +795,7 @@ dsp_function(struct mISDNchannel *ch,  struct sk_buff *skb)
 					if (dsp->up) {
 						if (dsp->up->send(
 						    dsp->up, nskb))
-						dev_kfree_skb(nskb);
+							dev_kfree_skb(nskb);
 					} else
 						dev_kfree_skb(nskb);
 				}
@@ -946,7 +954,7 @@ dsp_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
 	int		err = 0;
 
 	if (debug & DEBUG_DSP_CTRL)
-	printk(KERN_DEBUG "%s:(%x)\n", __func__, cmd);
+		printk(KERN_DEBUG "%s:(%x)\n", __func__, cmd);
 
 	switch (cmd) {
 	case OPEN_CHANNEL:
@@ -1169,9 +1177,9 @@ static int dsp_init(void)
 
 	/* init conversion tables */
 	dsp_audio_generate_law_tables();
-	dsp_silence = (dsp_options&DSP_OPT_ULAW)?0xff:0x2a;
-	dsp_audio_law_to_s32 = (dsp_options&DSP_OPT_ULAW)?dsp_audio_ulaw_to_s32:
-		dsp_audio_alaw_to_s32;
+	dsp_silence = (dsp_options&DSP_OPT_ULAW) ? 0xff : 0x2a;
+	dsp_audio_law_to_s32 = (dsp_options&DSP_OPT_ULAW) ?
+		dsp_audio_ulaw_to_s32 : dsp_audio_alaw_to_s32;
 	dsp_audio_generate_s2law_table();
 	dsp_audio_generate_seven();
 	dsp_audio_generate_mix_table();
diff --git a/drivers/isdn/mISDN/dsp_dtmf.c b/drivers/isdn/mISDN/dsp_dtmf.c
index efc371c1f0d..9ae2d33b06f 100644
--- a/drivers/isdn/mISDN/dsp_dtmf.c
+++ b/drivers/isdn/mISDN/dsp_dtmf.c
@@ -51,6 +51,9 @@ void dsp_dtmf_hardware(struct dsp *dsp)
 {
 	int hardware = 1;
 
+	if (!dsp->dtmf.enable)
+		return;
+
 	if (!dsp->features.hfc_dtmf)
 		hardware = 0;
 
diff --git a/drivers/isdn/mISDN/dsp_ecdis.h b/drivers/isdn/mISDN/dsp_ecdis.h
index 8a20af43308..21dbd153ee2 100644
--- a/drivers/isdn/mISDN/dsp_ecdis.h
+++ b/drivers/isdn/mISDN/dsp_ecdis.h
@@ -91,7 +91,7 @@ int16_t amp)
 					&& det->tone_cycle_duration <= 475*8) {
 					det->good_cycles++;
 					if (det->good_cycles > 2)
-					det->hit = TRUE;
+						det->hit = TRUE;
 				}
 				det->tone_cycle_duration = 0;
 			}
diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 18cf87c113e..e9941678edf 100644
--- a/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/drivers/isdn/mISDN/dsp_pipeline.c
@@ -55,20 +55,19 @@ static ssize_t
 attr_show_args(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct mISDN_dsp_element *elem = dev_get_drvdata(dev);
-	ssize_t len = 0;
-	int i = 0;
+	int i;
+	char *p = buf;
 
 	*buf = 0;
-	for (; i < elem->num_args; ++i)
-		len = sprintf(buf, "%sName:        %s\n%s%s%sDescription: %s\n"
-			"\n", buf,
+	for (i = 0; i < elem->num_args; i++)
+		p += sprintf(p, "Name:        %s\n%s%s%sDescription: %s\n\n",
 			  elem->args[i].name,
 			  elem->args[i].def ? "Default:     " : "",
 			  elem->args[i].def ? elem->args[i].def : "",
 			  elem->args[i].def ? "\n" : "",
 			  elem->args[i].desc);
 
-	return len;
+	return p - buf;
 }
 
 static struct device_attribute element_attributes[] = {
@@ -347,7 +346,8 @@ void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data, int len)
 			entry->elem->process_tx(entry->p, data, len);
 }
 
-void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len)
+void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len,
+	unsigned int txlen)
 {
 	struct dsp_pipeline_entry *entry;
 
@@ -356,7 +356,7 @@ void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len)
 
 	list_for_each_entry_reverse(entry, &pipeline->list, list)
 		if (entry->elem->process_rx)
-			entry->elem->process_rx(entry->p, data, len);
+			entry->elem->process_rx(entry->p, data, len, txlen);
 }
 
 
diff --git a/drivers/isdn/mISDN/dsp_tones.c b/drivers/isdn/mISDN/dsp_tones.c
index 7a9af66f4b1..1debf53670d 100644
--- a/drivers/isdn/mISDN/dsp_tones.c
+++ b/drivers/isdn/mISDN/dsp_tones.c
@@ -253,18 +253,24 @@ static struct pattern {
 	{8000, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
 
 	{TONE_GERMAN_DIALPBX,
-	{DATA_GA, DATA_S, DATA_GA, DATA_S, DATA_GA, DATA_S, NULL, NULL, NULL, NULL},
-	{SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL},
+	{DATA_GA, DATA_S, DATA_GA, DATA_S, DATA_GA, DATA_S, NULL, NULL, NULL,
+		NULL},
+	{SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, NULL, NULL, NULL,
+		NULL},
 	{2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} },
 
 	{TONE_GERMAN_OLDDIALPBX,
-	{DATA_GO, DATA_S, DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL, NULL},
-	{SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL},
+	{DATA_GO, DATA_S, DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL,
+		NULL},
+	{SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL,
+		NULL},
 	{2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} },
 
 	{TONE_AMERICAN_DIALPBX,
-	{DATA_DT, DATA_S, DATA_DT, DATA_S, DATA_DT, DATA_S, NULL, NULL, NULL, NULL},
-	{SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, NULL, NULL, NULL, NULL},
+	{DATA_DT, DATA_S, DATA_DT, DATA_S, DATA_DT, DATA_S, NULL, NULL, NULL,
+		NULL},
+	{SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, NULL, NULL, NULL,
+		NULL},
 	{2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} },
 
 	{TONE_GERMAN_RINGING,
@@ -434,7 +440,7 @@ dsp_tone_hw_message(struct dsp *dsp, u8 *sample, int len)
 
 	/* unlocking is not required, because we don't expect a response */
 	nskb = _alloc_mISDN_skb(PH_CONTROL_REQ,
-		(len)?HFC_SPL_LOOP_ON:HFC_SPL_LOOP_OFF, len, sample,
+		(len) ? HFC_SPL_LOOP_ON : HFC_SPL_LOOP_OFF, len, sample,
 		GFP_ATOMIC);
 	if (nskb) {
 		if (dsp->ch.peer) {
@@ -498,8 +504,7 @@ dsp_tone(struct dsp *dsp, int tone)
 
 	/* we turn off the tone */
 	if (!tone) {
-		if (dsp->features.hfc_loops)
-		if (timer_pending(&tonet->tl))
+		if (dsp->features.hfc_loops && timer_pending(&tonet->tl))
 			del_timer(&tonet->tl);
 		if (dsp->features.hfc_loops)
 			dsp_tone_hw_message(dsp, NULL, 0);
diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c
index ab1168a110a..0481a0cdf6d 100644
--- a/drivers/isdn/mISDN/hwchannel.c
+++ b/drivers/isdn/mISDN/hwchannel.c
@@ -185,13 +185,13 @@ recv_Echannel(struct dchannel *ech, struct dchannel *dch)
 EXPORT_SYMBOL(recv_Echannel);
 
 void
-recv_Bchannel(struct bchannel *bch)
+recv_Bchannel(struct bchannel *bch, unsigned int id)
 {
 	struct mISDNhead *hh;
 
 	hh = mISDN_HEAD_P(bch->rx_skb);
 	hh->prim = PH_DATA_IND;
-	hh->id = MISDN_ID_ANY;
+	hh->id = id;
 	if (bch->rcount >= 64) {
 		printk(KERN_WARNING "B-channel %p receive queue overflow, "
 			"fushing!\n", bch);
diff --git a/drivers/isdn/mISDN/l1oip.h b/drivers/isdn/mISDN/l1oip.h
index a23d575449f..bc26c890d9a 100644
--- a/drivers/isdn/mISDN/l1oip.h
+++ b/drivers/isdn/mISDN/l1oip.h
@@ -76,7 +76,7 @@ struct l1oip {
 	struct sockaddr_in	sin_local;	/* local socket name */
 	struct sockaddr_in	sin_remote;	/* remote socket name */
 	struct msghdr		sendmsg;	/* ip message to send */
-	struct iovec		sendiov;	/* iov for message */
+	struct kvec		sendiov;	/* iov for message */
 
 	/* frame */
 	struct l1oip_chan	chan[128];	/* channel instances */
diff --git a/drivers/isdn/mISDN/l1oip_codec.c b/drivers/isdn/mISDN/l1oip_codec.c
index e4ecba3d48d..bbfd1b863ed 100644
--- a/drivers/isdn/mISDN/l1oip_codec.c
+++ b/drivers/isdn/mISDN/l1oip_codec.c
@@ -48,6 +48,7 @@ NOTE: The bytes are handled as they are law-encoded.
 
 #include <linux/vmalloc.h>
 #include <linux/mISDNif.h>
+#include <linux/in.h>
 #include "core.h"
 #include "l1oip.h"
 
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index abe57498957..990e6a7e667 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -279,7 +279,6 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
 	int multi = 0;
 	u8 frame[len+32];
 	struct socket *socket = NULL;
-	mm_segment_t oldfs;
 
 	if (debug & DEBUG_L1OIP_MSG)
 		printk(KERN_DEBUG "%s: sending data to socket (len = %d)\n",
@@ -308,8 +307,8 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
 
 	/* assemble frame */
 	*p++ = (L1OIP_VERSION<<6) /* version and coding */
-	     | (hc->pri?0x20:0x00) /* type */
-	     | (hc->id?0x10:0x00) /* id */
+	     | (hc->pri ? 0x20 : 0x00) /* type */
+	     | (hc->id ? 0x10 : 0x00) /* id */
 	     | localcodec;
 	if (hc->id) {
 		*p++ = hc->id>>24; /* id */
@@ -317,7 +316,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
 		*p++ = hc->id>>8;
 		*p++ = hc->id;
 	}
-	*p++ = (multi == 1)?0x80:0x00 + channel; /* m-flag, channel */
+	*p++ = (multi == 1) ? 0x80 : 0x00 + channel; /* m-flag, channel */
 	if (multi == 1)
 		*p++ = len; /* length */
 	*p++ = timebase>>8; /* time base */
@@ -352,10 +351,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
 			"= %d)\n", __func__, len);
 	hc->sendiov.iov_base = frame;
 	hc->sendiov.iov_len  = len;
-	oldfs = get_fs();
-	set_fs(KERNEL_DS);
-	len = sock_sendmsg(socket, &hc->sendmsg, len);
-	set_fs(oldfs);
+	len = kernel_sendmsg(socket, &hc->sendmsg, &hc->sendiov, 1, len);
 	/* give socket back */
 	hc->socket = socket; /* no locking required */
 
@@ -401,12 +397,12 @@ l1oip_socket_recv(struct l1oip *hc, u8 remotecodec, u8 channel, u16 timebase,
 	}
 
 	/* prepare message */
-	nskb = mI_alloc_skb((remotecodec == 3)?(len<<1):len, GFP_ATOMIC);
+	nskb = mI_alloc_skb((remotecodec == 3) ? (len<<1) : len, GFP_ATOMIC);
 	if (!nskb) {
 		printk(KERN_ERR "%s: No mem for skb.\n", __func__);
 		return;
 	}
-	p = skb_put(nskb, (remotecodec == 3)?(len<<1):len);
+	p = skb_put(nskb, (remotecodec == 3) ? (len<<1) : len);
 
 	if (remotecodec == 1 && ulaw)
 		l1oip_alaw_to_ulaw(buf, len, p);
@@ -458,7 +454,7 @@ l1oip_socket_recv(struct l1oip *hc, u8 remotecodec, u8 channel, u16 timebase,
 		hc->chan[channel].disorder_flag ^= 1;
 		if (nskb)
 #endif
-		queue_ch_frame(&bch->ch, PH_DATA_IND, rx_counter, nskb);
+			queue_ch_frame(&bch->ch, PH_DATA_IND, rx_counter, nskb);
 	}
 }
 
@@ -660,21 +656,29 @@ l1oip_socket_thread(void *data)
 	struct l1oip *hc = (struct l1oip *)data;
 	int ret = 0;
 	struct msghdr msg;
-	struct iovec iov;
-	mm_segment_t oldfs;
 	struct sockaddr_in sin_rx;
-	unsigned char recvbuf[1500];
+	unsigned char *recvbuf;
+	size_t recvbuf_size = 1500;
 	int recvlen;
 	struct socket *socket = NULL;
 	DECLARE_COMPLETION(wait);
 
+	/* allocate buffer memory */
+	recvbuf = kmalloc(recvbuf_size, GFP_KERNEL);
+	if (!recvbuf) {
+		printk(KERN_ERR "%s: Failed to alloc recvbuf.\n", __func__);
+		ret = -ENOMEM;
+		goto fail;
+	}
+
 	/* make daemon */
 	allow_signal(SIGTERM);
 
 	/* create socket */
 	if (sock_create(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &socket)) {
 		printk(KERN_ERR "%s: Failed to create socket.\n", __func__);
-		return -EIO;
+		ret = -EIO;
+		goto fail;
 	}
 
 	/* set incoming address */
@@ -708,16 +712,12 @@ l1oip_socket_thread(void *data)
 	msg.msg_namelen = sizeof(sin_rx);
 	msg.msg_control = NULL;
 	msg.msg_controllen = 0;
-	msg.msg_iov = &iov;
-	msg.msg_iovlen = 1;
 
 	/* build send message */
 	hc->sendmsg.msg_name = &hc->sin_remote;
 	hc->sendmsg.msg_namelen = sizeof(hc->sin_remote);
 	hc->sendmsg.msg_control = NULL;
 	hc->sendmsg.msg_controllen = 0;
-	hc->sendmsg.msg_iov    = &hc->sendiov;
-	hc->sendmsg.msg_iovlen = 1;
 
 	/* give away socket */
 	spin_lock(&hc->socket_lock);
@@ -729,18 +729,18 @@ l1oip_socket_thread(void *data)
 		printk(KERN_DEBUG "%s: socket created and open\n",
 			__func__);
 	while (!signal_pending(current)) {
-		iov.iov_base = recvbuf;
-		iov.iov_len = sizeof(recvbuf);
-		oldfs = get_fs();
-		set_fs(KERNEL_DS);
-		recvlen = sock_recvmsg(socket, &msg, sizeof(recvbuf), 0);
-		set_fs(oldfs);
+		struct kvec iov = {
+			.iov_base = recvbuf,
+			.iov_len = sizeof(recvbuf),
+		};
+		recvlen = kernel_recvmsg(socket, &msg, &iov, 1,
+					 sizeof(recvbuf), 0);
 		if (recvlen > 0) {
 			l1oip_socket_parse(hc, &sin_rx, recvbuf, recvlen);
 		} else {
 			if (debug & DEBUG_L1OIP_SOCKET)
-			    printk(KERN_WARNING "%s: broken pipe on socket\n",
-				__func__);
+				printk(KERN_WARNING
+				    "%s: broken pipe on socket\n", __func__);
 		}
 	}
 
@@ -760,6 +760,9 @@ l1oip_socket_thread(void *data)
 			__func__);
 
 fail:
+	/* free recvbuf */
+	kfree(recvbuf);
+
 	/* close socket */
 	if (socket)
 		sock_release(socket);
@@ -912,7 +915,7 @@ handle_dmsg(struct mISDNchannel *ch, struct sk_buff *skb)
 		p = skb->data;
 		l = skb->len;
 		while (l) {
-			ll = (l < L1OIP_MAX_PERFRAME)?l:L1OIP_MAX_PERFRAME;
+			ll = (l < L1OIP_MAX_PERFRAME) ? l : L1OIP_MAX_PERFRAME;
 			l1oip_socket_send(hc, 0, dch->slot, 0,
 				hc->chan[dch->slot].tx_counter++, p, ll);
 			p += ll;
@@ -1160,7 +1163,7 @@ handle_bmsg(struct mISDNchannel *ch, struct sk_buff *skb)
 		p = skb->data;
 		l = skb->len;
 		while (l) {
-			ll = (l < L1OIP_MAX_PERFRAME)?l:L1OIP_MAX_PERFRAME;
+			ll = (l < L1OIP_MAX_PERFRAME) ? l : L1OIP_MAX_PERFRAME;
 			l1oip_socket_send(hc, hc->codec, bch->slot, 0,
 				hc->chan[bch->slot].tx_counter, p, ll);
 			hc->chan[bch->slot].tx_counter += ll;
@@ -1318,8 +1321,8 @@ init_card(struct l1oip *hc, int pri, int bundle)
 	spin_lock_init(&hc->socket_lock);
 	hc->idx = l1oip_cnt;
 	hc->pri = pri;
-	hc->d_idx = pri?16:3;
-	hc->b_num = pri?30:2;
+	hc->d_idx = pri ? 16 : 3;
+	hc->b_num = pri ? 30 : 2;
 	hc->bundle = bundle;
 	if (hc->pri)
 		sprintf(hc->name, "l1oip-e1.%d", l1oip_cnt + 1);
@@ -1504,9 +1507,9 @@ l1oip_init(void)
 
 		if (debug & DEBUG_L1OIP_INIT)
 			printk(KERN_DEBUG "%s: interface %d is %s with %s.\n",
-				__func__, l1oip_cnt, pri?"PRI":"BRI",
-				bundle?"bundled IP packet for all B-channels"
-				 :"seperate IP packets for every B-channel");
+			    __func__, l1oip_cnt, pri ? "PRI" : "BRI",
+			    bundle ? "bundled IP packet for all B-channels" :
+			    "seperate IP packets for every B-channel");
 
 		hc = kzalloc(sizeof(struct l1oip), GFP_ATOMIC);
 		if (!hc) {
diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c
index d6e2863f224..9c2589e986d 100644
--- a/drivers/isdn/mISDN/layer2.c
+++ b/drivers/isdn/mISDN/layer2.c
@@ -99,7 +99,7 @@ l2m_debug(struct FsmInst *fi, char *fmt, ...)
 	if (!(*debug & DEBUG_L2_FSM))
 		return;
 	va_start(va, fmt);
-	printk(KERN_DEBUG "l2 (tei %d): ", l2->tei);
+	printk(KERN_DEBUG "l2 (sapi %d tei %d): ", l2->sapi, l2->tei);
 	vprintk(fmt, va);
 	printk("\n");
 	va_end(va);
@@ -1859,20 +1859,18 @@ ph_data_indication(struct layer2 *l2, struct mISDNhead *hh, struct sk_buff *skb)
 		psapi >>= 2;
 		ptei >>= 1;
 		if (psapi != l2->sapi) {
-			/* not our bussiness
-			 * printk(KERN_DEBUG "%s: sapi %d/%d sapi mismatch\n",
-			 *  __func__,
-			 *	psapi, l2->sapi);
-			 */
+			/* not our bussiness */
+			if (*debug & DEBUG_L2)
+				printk(KERN_DEBUG "%s: sapi %d/%d mismatch\n",
+					__func__, psapi, l2->sapi);
 			dev_kfree_skb(skb);
 			return 0;
 		}
 		if ((ptei != l2->tei) && (ptei != GROUP_TEI)) {
-			/* not our bussiness
-			 * printk(KERN_DEBUG "%s: tei %d/%d sapi %d mismatch\n",
-			 *  __func__,
-			 *	ptei, l2->tei, psapi);
-			 */
+			/* not our bussiness */
+			if (*debug & DEBUG_L2)
+				printk(KERN_DEBUG "%s: tei %d/%d mismatch\n",
+					__func__, ptei, l2->tei);
 			dev_kfree_skb(skb);
 			return 0;
 		}
@@ -1927,8 +1925,8 @@ l2_send(struct mISDNchannel *ch, struct sk_buff *skb)
 	int 			ret = -EINVAL;
 
 	if (*debug & DEBUG_L2_RECV)
-		printk(KERN_DEBUG "%s: prim(%x) id(%x) tei(%d)\n",
-		    __func__, hh->prim, hh->id, l2->tei);
+		printk(KERN_DEBUG "%s: prim(%x) id(%x) sapi(%d) tei(%d)\n",
+		    __func__, hh->prim, hh->id, l2->sapi, l2->tei);
 	switch (hh->prim) {
 	case PH_DATA_IND:
 		ret = ph_data_indication(l2, hh, skb);
@@ -2068,7 +2066,8 @@ l2_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
 }
 
 struct layer2 *
-create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
+create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, int tei,
+		int sapi)
 {
 	struct layer2		*l2;
 	struct channel_req	rq;
@@ -2089,7 +2088,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
 		test_and_set_bit(FLG_LAPD, &l2->flag);
 		test_and_set_bit(FLG_LAPD_NET, &l2->flag);
 		test_and_set_bit(FLG_MOD128, &l2->flag);
-		l2->sapi = 0;
+		l2->sapi = sapi;
 		l2->maxlen = MAX_DFRAME_LEN;
 		if (test_bit(OPTION_L2_PMX, &options))
 			l2->window = 7;
@@ -2099,7 +2098,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
 			test_and_set_bit(FLG_PTP, &l2->flag);
 		if (test_bit(OPTION_L2_FIXEDTEI, &options))
 			test_and_set_bit(FLG_FIXED_TEI, &l2->flag);
-		l2->tei = (u_int)arg;
+		l2->tei = tei;
 		l2->T200 = 1000;
 		l2->N200 = 3;
 		l2->T203 = 10000;
@@ -2114,7 +2113,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
 		test_and_set_bit(FLG_LAPD, &l2->flag);
 		test_and_set_bit(FLG_MOD128, &l2->flag);
 		test_and_set_bit(FLG_ORIG, &l2->flag);
-		l2->sapi = 0;
+		l2->sapi = sapi;
 		l2->maxlen = MAX_DFRAME_LEN;
 		if (test_bit(OPTION_L2_PMX, &options))
 			l2->window = 7;
@@ -2124,7 +2123,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
 			test_and_set_bit(FLG_PTP, &l2->flag);
 		if (test_bit(OPTION_L2_FIXEDTEI, &options))
 			test_and_set_bit(FLG_FIXED_TEI, &l2->flag);
-		l2->tei = (u_int)arg;
+		l2->tei = tei;
 		l2->T200 = 1000;
 		l2->N200 = 3;
 		l2->T203 = 10000;
@@ -2180,7 +2179,7 @@ x75create(struct channel_req *crq)
 
 	if (crq->protocol != ISDN_P_B_X75SLP)
 		return -EPROTONOSUPPORT;
-	l2 = create_l2(crq->ch, crq->protocol, 0, 0);
+	l2 = create_l2(crq->ch, crq->protocol, 0, 0, 0);
 	if (!l2)
 		return -ENOMEM;
 	crq->ch = &l2->ch;
diff --git a/drivers/isdn/mISDN/layer2.h b/drivers/isdn/mISDN/layer2.h
index 6293f80dc2d..9547fb3707a 100644
--- a/drivers/isdn/mISDN/layer2.h
+++ b/drivers/isdn/mISDN/layer2.h
@@ -90,7 +90,7 @@ enum {
 #define L2_STATE_COUNT (ST_L2_8+1)
 
 extern struct layer2	*create_l2(struct mISDNchannel *, u_int,
-				u_long, u_long);
+				u_long, int, int);
 extern int		tei_l2(struct layer2 *, u_int, u_long arg);
 
 
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 508945d1b9c..c36f5213745 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -209,7 +209,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 	if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
 		err = -EFAULT;
-		goto drop;
+		goto done;
 	}
 
 	memcpy(mISDN_HEAD_P(skb), skb->data, MISDN_HEADER_LEN);
@@ -222,7 +222,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 	} else { /* use default for L2 messages */
 		if ((sk->sk_protocol == ISDN_P_LAPD_TE) ||
 		    (sk->sk_protocol == ISDN_P_LAPD_NT))
-		    mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr;
+			mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr;
 	}
 
 	if (*debug & DEBUG_SOCKET)
@@ -230,19 +230,21 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 		     __func__, mISDN_HEAD_ID(skb));
 
 	err = -ENODEV;
-	if (!_pms(sk)->ch.peer ||
-	    (err = _pms(sk)->ch.recv(_pms(sk)->ch.peer, skb)))
-		goto drop;
-
-	err = len;
+	if (!_pms(sk)->ch.peer)
+		goto done;
+	err = _pms(sk)->ch.recv(_pms(sk)->ch.peer, skb);
+	if (err)
+		goto done;
+	else {
+		skb = NULL;
+		err = len;
+	}
 
 done:
+	if (skb)
+		kfree_skb(skb);
 	release_sock(sk);
 	return err;
-
-drop:
-	kfree_skb(skb);
-	goto done;
 }
 
 static int
@@ -292,7 +294,7 @@ static int
 data_sock_ioctl_bound(struct sock *sk, unsigned int cmd, void __user *p)
 {
 	struct mISDN_ctrl_req	cq;
-	int			err = -EINVAL, val;
+	int			err = -EINVAL, val[2];
 	struct mISDNchannel	*bchan, *next;
 
 	lock_sock(sk);
@@ -328,12 +330,27 @@ data_sock_ioctl_bound(struct sock *sk, unsigned int cmd, void __user *p)
 			err = -EINVAL;
 			break;
 		}
-		if (get_user(val, (int __user *)p)) {
+		val[0] = cmd;
+		if (get_user(val[1], (int __user *)p)) {
+			err = -EFAULT;
+			break;
+		}
+		err = _pms(sk)->dev->teimgr->ctrl(_pms(sk)->dev->teimgr,
+		    CONTROL_CHANNEL, val);
+		break;
+	case IMHOLD_L1:
+		if (sk->sk_protocol != ISDN_P_LAPD_NT
+		 && sk->sk_protocol != ISDN_P_LAPD_TE) {
+			err = -EINVAL;
+			break;
+		}
+		val[0] = cmd;
+		if (get_user(val[1], (int __user *)p)) {
 			err = -EFAULT;
 			break;
 		}
 		err = _pms(sk)->dev->teimgr->ctrl(_pms(sk)->dev->teimgr,
-		    CONTROL_CHANNEL, &val);
+		    CONTROL_CHANNEL, val);
 		break;
 	default:
 		err = -EINVAL;
diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index b452dead8fd..e04bad6c5ba 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -122,8 +122,11 @@ da_deactivate(struct FsmInst *fi, int event, void *arg)
 	}
 	read_unlock_irqrestore(&mgr->lock, flags);
 	/* All TEI are inactiv */
-	mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER, NULL, 1);
-	mISDN_FsmChangeState(fi, ST_L1_DEACT_PENDING);
+	if (!test_bit(OPTION_L1_HOLD, &mgr->options)) {
+		mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER,
+			NULL, 1);
+		mISDN_FsmChangeState(fi, ST_L1_DEACT_PENDING);
+	}
 }
 
 static void
@@ -132,9 +135,11 @@ da_ui(struct FsmInst *fi, int event, void *arg)
 	struct manager	*mgr = fi->userdata;
 
 	/* restart da timer */
-	mISDN_FsmDelTimer(&mgr->datimer, 2);
-	mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER, NULL, 2);
-
+	if (!test_bit(OPTION_L1_HOLD, &mgr->options)) {
+		mISDN_FsmDelTimer(&mgr->datimer, 2);
+		mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER,
+			NULL, 2);
+	}
 }
 
 static void
@@ -222,7 +227,7 @@ tei_debug(struct FsmInst *fi, char *fmt, ...)
 	if (!(*debug & DEBUG_L2_TEIFSM))
 		return;
 	va_start(va, fmt);
-	printk(KERN_DEBUG "tei(%d): ", tm->l2->tei);
+	printk(KERN_DEBUG "sapi(%d) tei(%d): ", tm->l2->sapi, tm->l2->tei);
 	vprintk(fmt, va);
 	printk("\n");
 	va_end(va);
@@ -421,7 +426,7 @@ done:
 }
 
 static void
-put_tei_msg(struct manager *mgr, u_char m_id, unsigned int ri, u_char tei)
+put_tei_msg(struct manager *mgr, u_char m_id, unsigned int ri, int tei)
 {
 	struct sk_buff *skb;
 	u_char bp[8];
@@ -435,9 +440,8 @@ put_tei_msg(struct manager *mgr, u_char m_id, unsigned int ri, u_char tei)
 	bp[4] = ri >> 8;
 	bp[5] = ri & 0xff;
 	bp[6] = m_id;
-	bp[7] = (tei << 1) | 1;
-	skb = _alloc_mISDN_skb(PH_DATA_REQ, new_id(mgr),
-	    8, bp, GFP_ATOMIC);
+	bp[7] = ((tei << 1) & 0xff) | 1;
+	skb = _alloc_mISDN_skb(PH_DATA_REQ, new_id(mgr), 8, bp, GFP_ATOMIC);
 	if (!skb) {
 		printk(KERN_WARNING "%s: no skb for tei msg\n", __func__);
 		return;
@@ -772,7 +776,7 @@ tei_ph_data_ind(struct teimgr *tm, u_int mt, u_char *dp, int len)
 }
 
 static struct layer2 *
-create_new_tei(struct manager *mgr, int tei)
+create_new_tei(struct manager *mgr, int tei, int sapi)
 {
 	u_long		opt = 0;
 	u_long		flags;
@@ -781,12 +785,12 @@ create_new_tei(struct manager *mgr, int tei)
 
 	if (!mgr->up)
 		return NULL;
-	if (tei < 64)
+	if ((tei >= 0) && (tei < 64))
 		test_and_set_bit(OPTION_L2_FIXEDTEI, &opt);
 	if (mgr->ch.st->dev->Dprotocols
 	  & ((1 << ISDN_P_TE_E1) | (1 << ISDN_P_NT_E1)))
 		test_and_set_bit(OPTION_L2_PMX, &opt);
-	l2 = create_l2(mgr->up, ISDN_P_LAPD_NT, (u_int)opt, (u_long)tei);
+	l2 = create_l2(mgr->up, ISDN_P_LAPD_NT, opt, tei, sapi);
 	if (!l2) {
 		printk(KERN_WARNING "%s:no memory for layer2\n", __func__);
 		return NULL;
@@ -834,12 +838,17 @@ new_tei_req(struct manager *mgr, u_char *dp)
 	ri += dp[1];
 	if (!mgr->up)
 		goto denied;
-	tei = get_free_tei(mgr);
+	if (!(dp[3] & 1)) /* Extension bit != 1 */
+		goto denied;
+	if (dp[3] != 0xff)
+		tei = dp[3] >> 1; /* 3GPP TS 08.56 6.1.11.2 */
+	else
+		tei = get_free_tei(mgr);
 	if (tei < 0) {
 		printk(KERN_WARNING "%s:No free tei\n", __func__);
 		goto denied;
 	}
-	l2 = create_new_tei(mgr, tei);
+	l2 = create_new_tei(mgr, tei, CTRL_SAPI);
 	if (!l2)
 		goto denied;
 	else
@@ -853,8 +862,7 @@ static int
 ph_data_ind(struct manager *mgr, struct sk_buff *skb)
 {
 	int		ret = -EINVAL;
-	struct layer2	*l2;
-	u_long		flags;
+	struct layer2	*l2, *nl2;
 	u_char		mt;
 
 	if (skb->len < 8) {
@@ -863,7 +871,6 @@ ph_data_ind(struct manager *mgr, struct sk_buff *skb)
 			    __func__, skb->len);
 		goto done;
 	}
-	if (*debug  & DEBUG_L2_TEI)
 
 	if ((skb->data[0] >> 2) != TEI_SAPI) /* not for us */
 		goto done;
@@ -900,11 +907,9 @@ ph_data_ind(struct manager *mgr, struct sk_buff *skb)
 		new_tei_req(mgr, &skb->data[4]);
 		goto done;
 	}
-	read_lock_irqsave(&mgr->lock, flags);
-	list_for_each_entry(l2, &mgr->layer2, list) {
+	list_for_each_entry_safe(l2, nl2, &mgr->layer2, list) {
 		tei_ph_data_ind(l2->tm, mt, &skb->data[4], skb->len - 4);
 	}
-	read_unlock_irqrestore(&mgr->lock, flags);
 done:
 	return ret;
 }
@@ -971,8 +976,6 @@ create_teimgr(struct manager *mgr, struct channel_req *crq)
 			__func__, dev_name(&mgr->ch.st->dev->dev),
 			crq->protocol, crq->adr.dev, crq->adr.channel,
 			crq->adr.sapi, crq->adr.tei);
-	if (crq->adr.sapi != 0) /* not supported yet */
-		return -EINVAL;
 	if (crq->adr.tei > GROUP_TEI)
 		return -EINVAL;
 	if (crq->adr.tei < 64)
@@ -1019,8 +1022,8 @@ create_teimgr(struct manager *mgr, struct channel_req *crq)
 		}
 		return 0;
 	}
-	l2 = create_l2(crq->ch, crq->protocol, (u_int)opt,
-		(u_long)crq->adr.tei);
+	l2 = create_l2(crq->ch, crq->protocol, opt,
+		crq->adr.tei, crq->adr.sapi);
 	if (!l2)
 		return -ENOMEM;
 	l2->tm = kzalloc(sizeof(struct teimgr), GFP_KERNEL);
@@ -1103,6 +1106,7 @@ free_teimanager(struct manager *mgr)
 {
 	struct layer2	*l2, *nl2;
 
+	test_and_clear_bit(OPTION_L1_HOLD, &mgr->options);
 	if (test_bit(MGR_OPT_NETWORK, &mgr->options)) {
 		/* not locked lock is taken in release tei */
 		mgr->up = NULL;
@@ -1133,13 +1137,26 @@ static int
 ctrl_teimanager(struct manager *mgr, void *arg)
 {
 	/* currently we only have one option */
-	int	clean = *((int *)arg);
-
-	if (clean)
-		test_and_set_bit(OPTION_L2_CLEANUP, &mgr->options);
-	else
-		test_and_clear_bit(OPTION_L2_CLEANUP, &mgr->options);
-	return 0;
+	int	*val = (int *)arg;
+	int	ret = 0;
+
+	switch (val[0]) {
+	case IMCLEAR_L2:
+		if (val[1])
+			test_and_set_bit(OPTION_L2_CLEANUP, &mgr->options);
+		else
+			test_and_clear_bit(OPTION_L2_CLEANUP, &mgr->options);
+		break;
+	case IMHOLD_L1:
+		if (val[1])
+			test_and_set_bit(OPTION_L1_HOLD, &mgr->options);
+		else
+			test_and_clear_bit(OPTION_L1_HOLD, &mgr->options);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	return ret;
 }
 
 /* This function does create a L2 for fixed TEI in NT Mode */
@@ -1147,7 +1164,7 @@ static int
 check_data(struct manager *mgr, struct sk_buff *skb)
 {
 	struct mISDNhead	*hh =  mISDN_HEAD_P(skb);
-	int			ret, tei;
+	int			ret, tei, sapi;
 	struct layer2		*l2;
 
 	if (*debug & DEBUG_L2_CTRL)
@@ -1159,20 +1176,27 @@ check_data(struct manager *mgr, struct sk_buff *skb)
 		return -ENOTCONN;
 	if (skb->len != 3)
 		return -ENOTCONN;
-	if (skb->data[0] != 0)
-		/* only SAPI 0 command */
-		return -ENOTCONN;
+	if (skb->data[0] & 3) /* EA0 and CR must be  0 */
+		return -EINVAL;
+	sapi = skb->data[0] >> 2;
 	if (!(skb->data[1] & 1)) /* invalid EA1 */
 		return -EINVAL;
-	tei = skb->data[1] >> 0;
+	tei = skb->data[1] >> 1;
 	if (tei > 63) /* not a fixed tei */
 		return -ENOTCONN;
 	if ((skb->data[2] & ~0x10) != SABME)
 		return -ENOTCONN;
 	/* We got a SABME for a fixed TEI */
-	l2 = create_new_tei(mgr, tei);
-	if (!l2)
+	if (*debug & DEBUG_L2_CTRL)
+		printk(KERN_DEBUG "%s: SABME sapi(%d) tei(%d)\n",
+		    __func__, sapi, tei);
+	l2 = create_new_tei(mgr, tei, sapi);
+	if (!l2) {
+		if (*debug & DEBUG_L2_CTRL)
+			printk(KERN_DEBUG "%s: failed to create new tei\n",
+			    __func__);
 		return -ENOMEM;
+	}
 	ret = l2->ch.send(&l2->ch, skb);
 	return ret;
 }
diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index bbd99d3282c..5b7e9bf514f 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -259,7 +259,7 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
 	return ret;
 }
 
-static struct file_operations mISDN_fops = {
+static const struct file_operations mISDN_fops = {
 	.read		= mISDN_read,
 	.poll		= mISDN_poll,
 	.ioctl		= mISDN_ioctl,