mISDN: Add support for Speedfax+ cards

Add support for the Siemens ISAR DSP chip and cards based on it,
including analog modem protocols.

Signed-off-by: Karsten Keil <keil@b1-systems.de>

5 files changed, 2536 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/mISDN/Kconfig b/drivers/isdn/hardware/mISDN/Kconfig
index 212dee6adec6..2600534be07e 100644
--- a/drivers/isdn/hardware/mISDN/Kconfig
+++ b/drivers/isdn/hardware/mISDN/Kconfig
@@ -47,6 +47,15 @@ config MISDN_AVMFRITZ
 	help
 	  Enable support for AVMs FRITZ!CARD PCI cards
 
+config MISDN_SPEEDFAX
+	tristate "Support for Sedlbauer Speedfax+"
+	depends on MISDN
+	depends on PCI
+	select MISDN_IPAC
+	select MISDN_ISAR
+	help
+	  Enable support for Sedlbauer Speedfax+.
+
 config MISDN_INFINEON
 	tristate "Support for cards with Infineon chipset"
 	depends on MISDN
@@ -61,3 +70,7 @@ config MISDN_IPAC
 	tristate
 	depends on MISDN
 
+config MISDN_ISAR
+	tristate
+	depends on MISDN
+
diff --git a/drivers/isdn/hardware/mISDN/Makefile b/drivers/isdn/hardware/mISDN/Makefile
index 8204d84af70a..e18f964e185b 100644
--- a/drivers/isdn/hardware/mISDN/Makefile
+++ b/drivers/isdn/hardware/mISDN/Makefile
@@ -7,6 +7,8 @@ obj-$(CONFIG_MISDN_HFCPCI) += hfcpci.o
 obj-$(CONFIG_MISDN_HFCMULTI) += hfcmulti.o
 obj-$(CONFIG_MISDN_HFCUSB) += hfcsusb.o
 obj-$(CONFIG_MISDN_AVMFRITZ) += avmfritz.o
+obj-$(CONFIG_MISDN_SPEEDFAX) += speedfax.o
 obj-$(CONFIG_MISDN_INFINEON) += mISDNinfineon.o
 # chip modules
 obj-$(CONFIG_MISDN_IPAC) += mISDNipac.o
+obj-$(CONFIG_MISDN_ISAR) += mISDNisar.o
diff --git a/drivers/isdn/hardware/mISDN/isar.h b/drivers/isdn/hardware/mISDN/isar.h
new file mode 100644
index 000000000000..092351acd2ab
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/isar.h
@@ -0,0 +1,269 @@
+/*
+ *
+ * isar.h   ISAR (Siemens PSB 7110) specific defines
+ *
+ * Author Karsten Keil (keil@isdn4linux.de)
+ *
+ * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "iohelper.h"
+
+struct isar_hw;
+
+struct isar_ch {
+	struct bchannel		bch;
+	struct isar_hw		*is;
+	struct timer_list	ftimer;
+	u8			nr;
+	u8			dpath;
+	u8			mml;
+	u8			state;
+	u8			cmd;
+	u8			mod;
+	u8			newcmd;
+	u8			newmod;
+	u8			try_mod;
+	u8			conmsg[16];
+};
+
+struct isar_hw {
+	struct	isar_ch	ch[2];
+	void		*hw;
+	spinlock_t	*hwlock;	/* lock HW acccess */
+	char		*name;
+	struct module	*owner;
+	read_reg_t	*read_reg;
+	write_reg_t	*write_reg;
+	fifo_func_t	*read_fifo;
+	fifo_func_t	*write_fifo;
+	int		(*ctrl)(void *, u32, u_long);
+	void		(*release)(struct isar_hw *);
+	int		(*init)(struct isar_hw *);
+	int		(*open)(struct isar_hw *, struct channel_req *);
+	int		(*firmware)(struct isar_hw *, const u8 *, int);
+	unsigned long	Flags;
+	int		version;
+	u8		bstat;
+	u8		iis;
+	u8		cmsb;
+	u8		clsb;
+	u8		buf[256];
+	u8		log[256];
+};
+
+#define ISAR_IRQMSK	0x04
+#define ISAR_IRQSTA	0x04
+#define ISAR_IRQBIT	0x75
+#define ISAR_CTRL_H	0x61
+#define ISAR_CTRL_L	0x60
+#define ISAR_IIS	0x58
+#define ISAR_IIA	0x58
+#define ISAR_HIS	0x50
+#define ISAR_HIA	0x50
+#define ISAR_MBOX	0x4c
+#define ISAR_WADR	0x4a
+#define ISAR_RADR	0x48
+
+#define ISAR_HIS_VNR		0x14
+#define ISAR_HIS_DKEY		0x02
+#define ISAR_HIS_FIRM		0x1e
+#define ISAR_HIS_STDSP		0x08
+#define ISAR_HIS_DIAG		0x05
+#define ISAR_HIS_P0CFG		0x3c
+#define ISAR_HIS_P12CFG		0x24
+#define ISAR_HIS_SARTCFG	0x25
+#define ISAR_HIS_PUMPCFG	0x26
+#define ISAR_HIS_PUMPCTRL	0x2a
+#define ISAR_HIS_IOM2CFG	0x27
+#define ISAR_HIS_IOM2REQ	0x07
+#define ISAR_HIS_IOM2CTRL	0x2b
+#define ISAR_HIS_BSTREQ		0x0c
+#define ISAR_HIS_PSTREQ		0x0e
+#define ISAR_HIS_SDATA		0x20
+#define ISAR_HIS_DPS1		0x40
+#define ISAR_HIS_DPS2		0x80
+#define SET_DPS(x)		((x<<6) & 0xc0)
+
+#define ISAR_IIS_MSCMSD		0x3f
+#define ISAR_IIS_VNR		0x15
+#define ISAR_IIS_DKEY		0x03
+#define ISAR_IIS_FIRM		0x1f
+#define ISAR_IIS_STDSP		0x09
+#define ISAR_IIS_DIAG		0x25
+#define ISAR_IIS_GSTEV		0x00
+#define ISAR_IIS_BSTEV		0x28
+#define ISAR_IIS_BSTRSP		0x2c
+#define ISAR_IIS_PSTRSP		0x2e
+#define ISAR_IIS_PSTEV		0x2a
+#define ISAR_IIS_IOM2RSP	0x27
+#define ISAR_IIS_RDATA		0x20
+#define ISAR_IIS_INVMSG		0x3f
+
+#define ISAR_CTRL_SWVER	0x10
+#define ISAR_CTRL_STST	0x40
+
+#define ISAR_MSG_HWVER	0x20
+
+#define ISAR_DP1_USE	1
+#define ISAR_DP2_USE	2
+#define ISAR_RATE_REQ	3
+
+#define PMOD_DISABLE	0
+#define PMOD_FAX	1
+#define PMOD_DATAMODEM	2
+#define PMOD_HALFDUPLEX	3
+#define PMOD_V110	4
+#define PMOD_DTMF	5
+#define PMOD_DTMF_TRANS	6
+#define PMOD_BYPASS	7
+
+#define PCTRL_ORIG	0x80
+#define PV32P2_V23R	0x40
+#define PV32P2_V22A	0x20
+#define PV32P2_V22B	0x10
+#define PV32P2_V22C	0x08
+#define PV32P2_V21	0x02
+#define PV32P2_BEL	0x01
+
+/* LSB MSB in ISAR doc wrong !!! Arghhh */
+#define PV32P3_AMOD	0x80
+#define PV32P3_V32B	0x02
+#define PV32P3_V23B	0x01
+#define PV32P4_48	0x11
+#define PV32P5_48	0x05
+#define PV32P4_UT48	0x11
+#define PV32P5_UT48	0x0d
+#define PV32P4_96	0x11
+#define PV32P5_96	0x03
+#define PV32P4_UT96	0x11
+#define PV32P5_UT96	0x0f
+#define PV32P4_B96	0x91
+#define PV32P5_B96	0x0b
+#define PV32P4_UTB96	0xd1
+#define PV32P5_UTB96	0x0f
+#define PV32P4_120	0xb1
+#define PV32P5_120	0x09
+#define PV32P4_UT120	0xf1
+#define PV32P5_UT120	0x0f
+#define PV32P4_144	0x99
+#define PV32P5_144	0x09
+#define PV32P4_UT144	0xf9
+#define PV32P5_UT144	0x0f
+#define PV32P6_CTN	0x01
+#define PV32P6_ATN	0x02
+
+#define PFAXP2_CTN	0x01
+#define PFAXP2_ATN	0x04
+
+#define PSEV_10MS_TIMER	0x02
+#define PSEV_CON_ON	0x18
+#define PSEV_CON_OFF	0x19
+#define PSEV_V24_OFF	0x20
+#define PSEV_CTS_ON	0x21
+#define PSEV_CTS_OFF	0x22
+#define PSEV_DCD_ON	0x23
+#define PSEV_DCD_OFF	0x24
+#define PSEV_DSR_ON	0x25
+#define PSEV_DSR_OFF	0x26
+#define PSEV_REM_RET	0xcc
+#define PSEV_REM_REN	0xcd
+#define PSEV_GSTN_CLR	0xd4
+
+#define PSEV_RSP_READY	0xbc
+#define PSEV_LINE_TX_H	0xb3
+#define PSEV_LINE_TX_B	0xb2
+#define PSEV_LINE_RX_H	0xb1
+#define PSEV_LINE_RX_B	0xb0
+#define PSEV_RSP_CONN	0xb5
+#define PSEV_RSP_DISC	0xb7
+#define PSEV_RSP_FCERR	0xb9
+#define PSEV_RSP_SILDET	0xbe
+#define PSEV_RSP_SILOFF	0xab
+#define PSEV_FLAGS_DET	0xba
+
+#define PCTRL_CMD_TDTMF	0x5a
+
+#define PCTRL_CMD_FTH	0xa7
+#define PCTRL_CMD_FRH	0xa5
+#define PCTRL_CMD_FTM	0xa8
+#define PCTRL_CMD_FRM	0xa6
+#define PCTRL_CMD_SILON	0xac
+#define PCTRL_CMD_CONT	0xa2
+#define PCTRL_CMD_ESC	0xa4
+#define PCTRL_CMD_SILOFF 0xab
+#define PCTRL_CMD_HALT	0xa9
+
+#define PCTRL_LOC_RET	0xcf
+#define PCTRL_LOC_REN	0xce
+
+#define SMODE_DISABLE	0
+#define SMODE_V14	2
+#define SMODE_HDLC	3
+#define SMODE_BINARY	4
+#define SMODE_FSK_V14	5
+
+#define SCTRL_HDMC_BOTH	0x00
+#define SCTRL_HDMC_DTX	0x80
+#define SCTRL_HDMC_DRX	0x40
+#define S_P1_OVSP	0x40
+#define S_P1_SNP	0x20
+#define S_P1_EOP	0x10
+#define S_P1_EDP	0x08
+#define S_P1_NSB	0x04
+#define S_P1_CHS_8	0x03
+#define S_P1_CHS_7	0x02
+#define S_P1_CHS_6	0x01
+#define S_P1_CHS_5	0x00
+
+#define S_P2_BFT_DEF	0x10
+
+#define IOM_CTRL_ENA	0x80
+#define IOM_CTRL_NOPCM	0x00
+#define IOM_CTRL_ALAW	0x02
+#define IOM_CTRL_ULAW	0x04
+#define IOM_CTRL_RCV	0x01
+
+#define IOM_P1_TXD	0x10
+
+#define HDLC_FED	0x40
+#define HDLC_FSD	0x20
+#define HDLC_FST	0x20
+#define HDLC_ERROR	0x1c
+#define HDLC_ERR_FAD	0x10
+#define HDLC_ERR_RER	0x08
+#define HDLC_ERR_CER	0x04
+#define SART_NMD	0x01
+
+#define BSTAT_RDM0	0x1
+#define BSTAT_RDM1	0x2
+#define BSTAT_RDM2	0x4
+#define BSTAT_RDM3	0x8
+#define BSTEV_TBO	0x1f
+#define BSTEV_RBO	0x2f
+
+/* FAX State Machine */
+#define STFAX_NULL	0
+#define STFAX_READY	1
+#define STFAX_LINE	2
+#define STFAX_CONT	3
+#define STFAX_ACTIV	4
+#define STFAX_ESCAPE	5
+#define STFAX_SILDET	6
+
+extern u32 mISDNisar_init(struct isar_hw *, void *);
+extern void mISDNisar_irq(struct isar_hw *);
diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c
new file mode 100644
index 000000000000..de352a17673a
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/mISDNisar.c
@@ -0,0 +1,1726 @@
+/*
+ * mISDNisar.c   ISAR (Siemens PSB 7110) specific functions
+ *
+ * Author Karsten Keil (keil@isdn4linux.de)
+ *
+ * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/* define this to enable static debug messages, if you kernel supports
+ * dynamic debugging, you should use debugfs for this
+ */
+/* #define DEBUG */
+
+#include <linux/delay.h>
+#include <linux/vmalloc.h>
+#include <linux/mISDNhw.h>
+#include "isar.h"
+
+#define ISAR_REV	"2.1"
+
+MODULE_AUTHOR("Karsten Keil");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(ISAR_REV);
+
+#define DEBUG_HW_FIRMWARE_FIFO	0x10000
+
+static const u8 faxmodulation_s[] = "3,24,48,72,73,74,96,97,98,121,122,145,146";
+static const u8 faxmodulation[] = {3, 24, 48, 72, 73, 74, 96, 97, 98, 121,
+					122, 145, 146};
+#define FAXMODCNT 13
+
+static void isar_setup(struct isar_hw *);
+
+static inline int
+waitforHIA(struct isar_hw *isar, int timeout)
+{
+	int t = timeout;
+	u8 val = isar->read_reg(isar->hw, ISAR_HIA);
+
+	while ((val & 1) && t) {
+		udelay(1);
+		t--;
+		val = isar->read_reg(isar->hw, ISAR_HIA);
+	}
+	pr_debug("%s: HIA after %dus\n", isar->name, timeout - t);
+	return timeout;
+}
+
+/*
+ * send msg to ISAR mailbox
+ * if msg is NULL use isar->buf
+ */
+static int
+send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg)
+{
+	if (!waitforHIA(isar, 1000))
+		return 0;
+	pr_debug("send_mbox(%02x,%02x,%d)\n", his, creg, len);
+	isar->write_reg(isar->hw, ISAR_CTRL_H, creg);
+	isar->write_reg(isar->hw, ISAR_CTRL_L, len);
+	isar->write_reg(isar->hw, ISAR_WADR, 0);
+	if (!msg)
+		msg = isar->buf;
+	if (msg && len) {
+		isar->write_fifo(isar->hw, ISAR_MBOX, msg, len);
+		if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) {
+			int l = 0;
+
+			while (l < (int)len) {
+				hex_dump_to_buffer(msg + l, len - l, 32, 1,
+					isar->log, 256, 1);
+				pr_debug("%s: %s %02x: %s\n", isar->name,
+					__func__, l, isar->log);
+				l += 32;
+			}
+		}
+	}
+	isar->write_reg(isar->hw, ISAR_HIS, his);
+	waitforHIA(isar, 1000);
+	return 1;
+}
+
+/*
+ * receive message from ISAR mailbox
+ * if msg is NULL use isar->buf
+ */
+static void
+rcv_mbox(struct isar_hw *isar, u8 *msg)
+{
+	if (!msg)
+		msg = isar->buf;
+	isar->write_reg(isar->hw, ISAR_RADR, 0);
+	if (msg && isar->clsb) {
+		isar->read_fifo(isar->hw, ISAR_MBOX, msg, isar->clsb);
+		if (isar->ch[0].bch.debug & DEBUG_HW_BFIFO) {
+			int l = 0;
+
+			while (l < (int)isar->clsb) {
+				hex_dump_to_buffer(msg + l, isar->clsb - l, 32,
+					1, isar->log, 256, 1);
+				pr_debug("%s: %s %02x: %s\n", isar->name,
+					__func__, l, isar->log);
+				l += 32;
+			}
+		}
+	}
+	isar->write_reg(isar->hw, ISAR_IIA, 0);
+}
+
+static inline void
+get_irq_infos(struct isar_hw *isar)
+{
+	isar->iis = isar->read_reg(isar->hw, ISAR_IIS);
+	isar->cmsb = isar->read_reg(isar->hw, ISAR_CTRL_H);
+	isar->clsb = isar->read_reg(isar->hw, ISAR_CTRL_L);
+	pr_debug("%s: rcv_mbox(%02x,%02x,%d)\n", isar->name,
+		isar->iis, isar->cmsb, isar->clsb);
+}
+
+/*
+ * poll answer message from ISAR mailbox
+ * should be used only with ISAR IRQs disabled before DSP was started
+ *
+ */
+static int
+poll_mbox(struct isar_hw *isar, int maxdelay)
+{
+	int t = maxdelay;
+	u8 irq;
+
+	irq = isar->read_reg(isar->hw, ISAR_IRQBIT);
+	while (t && !(irq & ISAR_IRQSTA)) {
+		udelay(1);
+		t--;
+	}
+	if (t)	{
+		get_irq_infos(isar);
+		rcv_mbox(isar, NULL);
+	}
+	pr_debug("%s: pulled %d bytes after %d us\n",
+		isar->name, isar->clsb, maxdelay - t);
+	return t;
+}
+
+static int
+ISARVersion(struct isar_hw *isar)
+{
+	int ver;
+
+	/* disable ISAR IRQ */
+	isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
+	isar->buf[0] = ISAR_MSG_HWVER;
+	isar->buf[1] = 0;
+	isar->buf[2] = 1;
+	if (!send_mbox(isar, ISAR_HIS_VNR, 0, 3, NULL))
+		return -1;
+	if (!poll_mbox(isar, 1000))
+		return -2;
+	if (isar->iis == ISAR_IIS_VNR) {
+		if (isar->clsb == 1) {
+			ver = isar->buf[0] & 0xf;
+			return ver;
+		}
+		return -3;
+	}
+	return -4;
+}
+
+static int
+load_firmware(struct isar_hw *isar, const u8 *buf, int size)
+{
+	u32	saved_debug = isar->ch[0].bch.debug;
+	int	ret, cnt;
+	u8	nom, noc;
+	u16	left, val, *sp = (u16 *)buf;
+	u8	*mp;
+	u_long	flags;
+
+	struct {
+		u16 sadr;
+		u16 len;
+		u16 d_key;
+	} blk_head;
+
+	if (1 != isar->version) {
+		pr_err("%s: ISAR wrong version %d firmware download aborted\n",
+			isar->name, isar->version);
+		return -EINVAL;
+	}
+	if (!(saved_debug & DEBUG_HW_FIRMWARE_FIFO))
+		isar->ch[0].bch.debug &= ~DEBUG_HW_BFIFO;
+	pr_debug("%s: load firmware %d words (%d bytes)\n",
+		isar->name, size/2, size);
+	cnt = 0;
+	size /= 2;
+	/* disable ISAR IRQ */
+	spin_lock_irqsave(isar->hwlock, flags);
+	isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
+	spin_unlock_irqrestore(isar->hwlock, flags);
+	while (cnt < size) {
+		blk_head.sadr = le16_to_cpu(*sp++);
+		blk_head.len = le16_to_cpu(*sp++);
+		blk_head.d_key = le16_to_cpu(*sp++);
+		cnt += 3;
+		pr_debug("ISAR firmware block (%#x,%d,%#x)\n",
+			blk_head.sadr, blk_head.len, blk_head.d_key & 0xff);
+		left = blk_head.len;
+		if (cnt + left > size) {
+			pr_info("%s: firmware error have %d need %d words\n",
+				isar->name, size, cnt + left);
+			ret = -EINVAL;
+			goto reterrflg;
+		}
+		spin_lock_irqsave(isar->hwlock, flags);
+		if (!send_mbox(isar, ISAR_HIS_DKEY, blk_head.d_key & 0xff,
+		    0, NULL)) {
+			pr_info("ISAR send_mbox dkey failed\n");
+			ret = -ETIME;
+			goto reterror;
+		}
+		if (!poll_mbox(isar, 1000)) {
+			pr_warning("ISAR poll_mbox dkey failed\n");
+			ret = -ETIME;
+			goto reterror;
+		}
+		spin_unlock_irqrestore(isar->hwlock, flags);
+		if ((isar->iis != ISAR_IIS_DKEY) || isar->cmsb || isar->clsb) {
+			pr_info("ISAR wrong dkey response (%x,%x,%x)\n",
+				isar->iis, isar->cmsb, isar->clsb);
+			ret = 1;
+			goto reterrflg;
+		}
+		while (left > 0) {
+			if (left > 126)
+				noc = 126;
+			else
+				noc = left;
+			nom = (2 * noc) + 3;
+			mp  = isar->buf;
+			/* the ISAR is big endian */
+			*mp++ = blk_head.sadr >> 8;
+			*mp++ = blk_head.sadr & 0xFF;
+			left -= noc;
+			cnt += noc;
+			*mp++ = noc;
+			pr_debug("%s: load %3d words at %04x\n", isar->name,
+				noc, blk_head.sadr);
+			blk_head.sadr += noc;
+			while (noc) {
+				val = le16_to_cpu(*sp++);
+				*mp++ = val >> 8;
+				*mp++ = val & 0xFF;;
+				noc--;
+			}
+			spin_lock_irqsave(isar->hwlock, flags);
+			if (!send_mbox(isar, ISAR_HIS_FIRM, 0, nom, NULL)) {
+				pr_info("ISAR send_mbox prog failed\n");
+				ret = -ETIME;
+				goto reterror;
+			}
+			if (!poll_mbox(isar, 1000)) {
+				pr_info("ISAR poll_mbox prog failed\n");
+				ret = -ETIME;
+				goto reterror;
+			}
+			spin_unlock_irqrestore(isar->hwlock, flags);
+			if ((isar->iis != ISAR_IIS_FIRM) ||
+			    isar->cmsb || isar->clsb) {
+				pr_info("ISAR wrong prog response (%x,%x,%x)\n",
+					isar->iis, isar->cmsb, isar->clsb);
+				ret = -EIO;
+				goto reterrflg;
+			}
+		}
+		pr_debug("%s: ISAR firmware block %d words loaded\n",
+			isar->name, blk_head.len);
+	}
+	isar->ch[0].bch.debug = saved_debug;
+	/* 10ms delay */
+	cnt = 10;
+	while (cnt--)
+		mdelay(1);
+	isar->buf[0] = 0xff;
+	isar->buf[1] = 0xfe;
+	isar->bstat = 0;
+	spin_lock_irqsave(isar->hwlock, flags);
+	if (!send_mbox(isar, ISAR_HIS_STDSP, 0, 2, NULL)) {
+		pr_info("ISAR send_mbox start dsp failed\n");
+		ret = -ETIME;
+		goto reterror;
+	}
+	if (!poll_mbox(isar, 1000)) {
+		pr_info("ISAR poll_mbox start dsp failed\n");
+		ret = -ETIME;
+		goto reterror;
+	}
+	if ((isar->iis != ISAR_IIS_STDSP) || isar->cmsb || isar->clsb) {
+		pr_info("ISAR wrong start dsp response (%x,%x,%x)\n",
+			isar->iis, isar->cmsb, isar->clsb);
+		ret = -EIO;
+		goto reterror;
+	} else
+		pr_debug("%s: ISAR start dsp success\n", isar->name);
+
+	/* NORMAL mode entered */
+	/* Enable IRQs of ISAR */
+	isar->write_reg(isar->hw, ISAR_IRQBIT, ISAR_IRQSTA);
+	spin_unlock_irqrestore(isar->hwlock, flags);
+	cnt = 1000; /* max 1s */
+	while ((!isar->bstat) && cnt) {
+		mdelay(1);
+		cnt--;
+	}
+	if (!cnt) {
+		pr_info("ISAR no general status event received\n");
+		ret = -ETIME;
+		goto reterrflg;
+	} else
+		pr_debug("%s: ISAR general status event %x\n",
+			isar->name, isar->bstat);
+	/* 10ms delay */
+	cnt = 10;
+	while (cnt--)
+		mdelay(1);
+	isar->iis = 0;
+	spin_lock_irqsave(isar->hwlock, flags);
+	if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {
+		pr_info("ISAR send_mbox self tst failed\n");
+		ret = -ETIME;
+		goto reterror;
+	}
+	spin_unlock_irqrestore(isar->hwlock, flags);
+	cnt = 10000; /* max 100 ms */
+	while ((isar->iis != ISAR_IIS_DIAG) && cnt) {
+		udelay(10);
+		cnt--;
+	}
+	mdelay(1);
+	if (!cnt) {
+		pr_info("ISAR no self tst response\n");
+		ret = -ETIME;
+		goto reterrflg;
+	}
+	if ((isar->cmsb == ISAR_CTRL_STST) && (isar->clsb == 1)
+	    && (isar->buf[0] == 0))
+		pr_debug("%s: ISAR selftest OK\n", isar->name);
+	else {
+		pr_info("ISAR selftest not OK %x/%x/%x\n",
+			isar->cmsb, isar->clsb, isar->buf[0]);
+		ret = -EIO;
+		goto reterrflg;
+	}
+	spin_lock_irqsave(isar->hwlock, flags);
+	isar->iis = 0;
+	if (!send_mbox(isar, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {
+		pr_info("ISAR RQST SVN failed\n");
+		ret = -ETIME;
+		goto reterror;
+	}
+	spin_unlock_irqrestore(isar->hwlock, flags);
+	cnt = 30000; /* max 300 ms */
+	while ((isar->iis != ISAR_IIS_DIAG) && cnt) {
+		udelay(10);
+		cnt--;
+	}
+	mdelay(1);
+	if (!cnt) {
+		pr_info("ISAR no SVN response\n");
+		ret = -ETIME;
+		goto reterrflg;
+	} else {
+		if ((isar->cmsb == ISAR_CTRL_SWVER) && (isar->clsb == 1)) {
+			pr_notice("%s: ISAR software version %#x\n",
+				isar->name, isar->buf[0]);
+		} else {
+			pr_info("%s: ISAR wrong swver response (%x,%x)"
+				" cnt(%d)\n", isar->name, isar->cmsb,
+				isar->clsb, cnt);
+			ret = -EIO;
+			goto reterrflg;
+		}
+	}
+	spin_lock_irqsave(isar->hwlock, flags);
+	isar_setup(isar);
+	spin_unlock_irqrestore(isar->hwlock, flags);
+	ret = 0;
+reterrflg:
+	spin_lock_irqsave(isar->hwlock, flags);
+reterror:
+	isar->ch[0].bch.debug = saved_debug;
+	if (ret)
+		/* disable ISAR IRQ */
+		isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
+	spin_unlock_irqrestore(isar->hwlock, flags);
+	return ret;
+}
+
+static inline void
+deliver_status(struct isar_ch *ch, int status)
+{
+	pr_debug("%s: HL->LL FAXIND %x\n", ch->is->name, status);
+	_queue_data(&ch->bch.ch, PH_CONTROL_IND, status, 0, NULL, GFP_ATOMIC);
+}
+
+static inline void
+isar_rcv_frame(struct isar_ch *ch)
+{
+	u8		*ptr;
+
+	if (!ch->is->clsb) {
+		pr_debug("%s; ISAR zero len frame\n", ch->is->name);
+		ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+		return;
+	}
+	switch (ch->bch.state) {
+	case ISDN_P_NONE:
+		pr_debug("%s: ISAR protocol 0 spurious IIS_RDATA %x/%x/%x\n",
+			ch->is->name, ch->is->iis, ch->is->cmsb, ch->is->clsb);
+		ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+		break;
+	case ISDN_P_B_RAW:
+	case ISDN_P_B_L2DTMF:
+	case ISDN_P_B_MODEM_ASYNC:
+		if (!ch->bch.rx_skb) {
+			ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen,
+						GFP_ATOMIC);
+			if (unlikely(!ch->bch.rx_skb)) {
+				pr_info("%s: B receive out of memory\n",
+					ch->is->name);
+				ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+				break;
+			}
+		}
+		rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb));
+		recv_Bchannel(&ch->bch, 0);
+		break;
+	case ISDN_P_B_HDLC:
+		if (!ch->bch.rx_skb) {
+			ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen,
+						GFP_ATOMIC);
+			if (unlikely(!ch->bch.rx_skb)) {
+				pr_info("%s: B receive out of memory\n",
+					ch->is->name);
+				ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+				break;
+			}
+		}
+		if ((ch->bch.rx_skb->len + ch->is->clsb) >
+		    (ch->bch.maxlen + 2)) {
+			pr_debug("%s: incoming packet too large\n",
+				ch->is->name);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			skb_trim(ch->bch.rx_skb, 0);
+			break;
+		}
+		if (ch->is->cmsb & HDLC_ERROR) {
+			pr_debug("%s: ISAR frame error %x len %d\n",
+				ch->is->name, ch->is->cmsb, ch->is->clsb);
+#ifdef ERROR_STATISTIC
+			if (ch->is->cmsb & HDLC_ERR_RER)
+				ch->bch.err_inv++;
+			if (ch->is->cmsb & HDLC_ERR_CER)
+				ch->bch.err_crc++;
+#endif
+			skb_trim(ch->bch.rx_skb, 0);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			break;
+		}
+		if (ch->is->cmsb & HDLC_FSD)
+			skb_trim(ch->bch.rx_skb, 0);
+		ptr = skb_put(ch->bch.rx_skb, ch->is->clsb);
+		rcv_mbox(ch->is, ptr);
+		if (ch->is->cmsb & HDLC_FED) {
+			if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */
+				pr_debug("%s: ISAR frame to short %d\n",
+					ch->is->name, ch->bch.rx_skb->len);
+				skb_trim(ch->bch.rx_skb, 0);
+				break;
+			}
+			skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2);
+			recv_Bchannel(&ch->bch, 0);
+		}
+		break;
+	case ISDN_P_B_T30_FAX:
+		if (ch->state != STFAX_ACTIV) {
+			pr_debug("%s: isar_rcv_frame: not ACTIV\n",
+				ch->is->name);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			if (ch->bch.rx_skb)
+				skb_trim(ch->bch.rx_skb, 0);
+			break;
+		}
+		if (!ch->bch.rx_skb) {
+			ch->bch.rx_skb = mI_alloc_skb(ch->bch.maxlen,
+						GFP_ATOMIC);
+			if (unlikely(!ch->bch.rx_skb)) {
+				pr_info("%s: B receive out of memory\n",
+					__func__);
+				ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+				break;
+			}
+		}
+		if (ch->cmd == PCTRL_CMD_FRM) {
+			rcv_mbox(ch->is, skb_put(ch->bch.rx_skb, ch->is->clsb));
+			pr_debug("%s: isar_rcv_frame: %d\n",
+				ch->is->name, ch->bch.rx_skb->len);
+			if (ch->is->cmsb & SART_NMD) { /* ABORT */
+				pr_debug("%s: isar_rcv_frame: no more data\n",
+					ch->is->name);
+				ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+				send_mbox(ch->is, SET_DPS(ch->dpath) |
+					ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
+					0, NULL);
+				ch->state = STFAX_ESCAPE;
+				/* set_skb_flag(skb, DF_NOMOREDATA); */
+			}
+			recv_Bchannel(&ch->bch, 0);
+			if (ch->is->cmsb & SART_NMD)
+				deliver_status(ch, HW_MOD_NOCARR);
+			break;
+		}
+		if (ch->cmd != PCTRL_CMD_FRH) {
+			pr_debug("%s: isar_rcv_frame: unknown fax mode %x\n",
+				ch->is->name, ch->cmd);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			if (ch->bch.rx_skb)
+				skb_trim(ch->bch.rx_skb, 0);
+			break;
+		}
+		/* PCTRL_CMD_FRH */
+		if ((ch->bch.rx_skb->len + ch->is->clsb) >
+		    (ch->bch.maxlen + 2)) {
+			pr_info("%s: %s incoming packet too large\n",
+				ch->is->name, __func__);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			skb_trim(ch->bch.rx_skb, 0);
+			break;
+		}  else if (ch->is->cmsb & HDLC_ERROR) {
+			pr_info("%s: ISAR frame error %x len %d\n",
+				ch->is->name, ch->is->cmsb, ch->is->clsb);
+			skb_trim(ch->bch.rx_skb, 0);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			break;
+		}
+		if (ch->is->cmsb & HDLC_FSD)
+			skb_trim(ch->bch.rx_skb, 0);
+		ptr = skb_put(ch->bch.rx_skb, ch->is->clsb);
+		rcv_mbox(ch->is, ptr);
+		if (ch->is->cmsb & HDLC_FED) {
+			if (ch->bch.rx_skb->len < 3) { /* last 2 are the FCS */
+				pr_info("%s: ISAR frame to short %d\n",
+					ch->is->name, ch->bch.rx_skb->len);
+				skb_trim(ch->bch.rx_skb, 0);
+				break;
+			}
+			skb_trim(ch->bch.rx_skb, ch->bch.rx_skb->len - 2);
+			recv_Bchannel(&ch->bch, 0);
+		}
+		if (ch->is->cmsb & SART_NMD) { /* ABORT */
+			pr_debug("%s: isar_rcv_frame: no more data\n",
+				ch->is->name);
+			ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+			if (ch->bch.rx_skb)
+				skb_trim(ch->bch.rx_skb, 0);
+			send_mbox(ch->is, SET_DPS(ch->dpath) |
+				ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
+			ch->state = STFAX_ESCAPE;
+			deliver_status(ch, HW_MOD_NOCARR);
+		}
+		break;
+	default:
+		pr_info("isar_rcv_frame protocol (%x)error\n", ch->bch.state);
+		ch->is->write_reg(ch->is->hw, ISAR_IIA, 0);
+		break;
+	}
+}
+
+static void
+isar_fill_fifo(struct isar_ch *ch)
+{
+	int count;
+	u8 msb;
+	u8 *ptr;
+
+	pr_debug("%s: ch%d  tx_skb %p tx_idx %d\n",
+		ch->is->name, ch->bch.nr, ch->bch.tx_skb, ch->bch.tx_idx);
+	if (!ch->bch.tx_skb)
+		return;
+	count = ch->bch.tx_skb->len - ch->bch.tx_idx;
+	if (count <= 0)
+		return;
+	if (!(ch->is->bstat &
+		(ch->dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2)))
+		return;
+	if (count > ch->mml) {
+		msb = 0;
+		count = ch->mml;
+	} else {
+		msb = HDLC_FED;
+	}
+	ptr = ch->bch.tx_skb->data + ch->bch.tx_idx;
+	if (!ch->bch.tx_idx) {
+		pr_debug("%s: frame start\n", ch->is->name);
+		if ((ch->bch.state == ISDN_P_B_T30_FAX) &&
+			(ch->cmd == PCTRL_CMD_FTH)) {
+			if (count > 1) {
+				if ((ptr[0] == 0xff) && (ptr[1] == 0x13)) {
+					/* last frame */
+					test_and_set_bit(FLG_LASTDATA,
+						&ch->bch.Flags);
+					pr_debug("%s: set LASTDATA\n",
+						ch->is->name);
+					if (msb == HDLC_FED)
+						test_and_set_bit(FLG_DLEETX,
+							&ch->bch.Flags);
+				}
+			}
+		}
+		msb |= HDLC_FST;
+	}
+	ch->bch.tx_idx += count;
+	switch (ch->bch.state) {
+	case ISDN_P_NONE:
+		pr_info("%s: wrong protocol 0\n", __func__);
+		break;
+	case ISDN_P_B_RAW:
+	case ISDN_P_B_L2DTMF:
+	case ISDN_P_B_MODEM_ASYNC:
+		send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
+			0, count, ptr);
+		break;
+	case ISDN_P_B_HDLC:
+		send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
+			msb, count, ptr);
+		break;
+	case ISDN_P_B_T30_FAX:
+		if (ch->state != STFAX_ACTIV)
+			pr_debug("%s: not ACTIV\n", ch->is->name);
+		else if (ch->cmd == PCTRL_CMD_FTH)
+			send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
+				msb, count, ptr);
+		else if (ch->cmd == PCTRL_CMD_FTM)
+			send_mbox(ch->is, SET_DPS(ch->dpath) | ISAR_HIS_SDATA,
+				0, count, ptr);
+		else
+			pr_debug("%s: not FTH/FTM\n", ch->is->name);
+		break;
+	default:
+		pr_info("%s: protocol(%x) error\n",
+			__func__, ch->bch.state);
+		break;
+	}
+}
+
+static inline struct isar_ch *
+sel_bch_isar(struct isar_hw *isar, u8 dpath)
+{
+	struct isar_ch	*base = &isar->ch[0];
+
+	if ((!dpath) || (dpath > 2))
+		return NULL;
+	if (base->dpath == dpath)
+		return base;
+	base++;
+	if (base->dpath == dpath)
+		return base;
+	return NULL;
+}
+
+static void
+send_next(struct isar_ch *ch)
+{
+	pr_debug("%s: %s ch%d tx_skb %p tx_idx %d\n",
+		ch->is->name, __func__, ch->bch.nr,
+		ch->bch.tx_skb, ch->bch.tx_idx);
+	if (ch->bch.state == ISDN_P_B_T30_FAX) {
+		if (ch->cmd == PCTRL_CMD_FTH) {
+			if (test_bit(FLG_LASTDATA, &ch->bch.Flags)) {
+				pr_debug("set NMD_DATA\n");
+				test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags);
+			}
+		} else if (ch->cmd == PCTRL_CMD_FTM) {
+			if (test_bit(FLG_DLEETX, &ch->bch.Flags)) {
+				test_and_set_bit(FLG_LASTDATA, &ch->bch.Flags);
+				test_and_set_bit(FLG_NMD_DATA, &ch->bch.Flags);
+			}
+		}
+	}
+	if (ch->bch.tx_skb) {
+		/* send confirm, on trans, free on hdlc. */
+		if (test_bit(FLG_TRANSPARENT, &ch->bch.Flags))
+			confirm_Bsend(&ch->bch);
+		dev_kfree_skb(ch->bch.tx_skb);
+	}
+	if (get_next_bframe(&ch->bch))
+		isar_fill_fifo(ch);
+	else {
+		if (test_and_clear_bit(FLG_DLEETX, &ch->bch.Flags)) {
+			if (test_and_clear_bit(FLG_LASTDATA,
+			    &ch->bch.Flags)) {
+				if (test_and_clear_bit(FLG_NMD_DATA,
+				    &ch->bch.Flags)) {
+					u8 zd = 0;
+					send_mbox(ch->is, SET_DPS(ch->dpath) |
+						ISAR_HIS_SDATA, 0x01, 1, &zd);
+				}
+				test_and_set_bit(FLG_LL_OK, &ch->bch.Flags);
+			} else {
+				deliver_status(ch, HW_MOD_CONNECT);
+			}
+		}
+	}
+}
+
+static void
+check_send(struct isar_hw *isar, u8 rdm)
+{
+	struct isar_ch	*ch;
+
+	pr_debug("%s: rdm %x\n", isar->name, rdm);
+	if (rdm & BSTAT_RDM1) {
+		ch = sel_bch_isar(isar, 1);
+		if (ch && test_bit(FLG_ACTIVE, &ch->bch.Flags)) {
+			if (ch->bch.tx_skb && (ch->bch.tx_skb->len >
+			    ch->bch.tx_idx))
+				isar_fill_fifo(ch);
+			else
+				send_next(ch);
+		}
+	}
+	if (rdm & BSTAT_RDM2) {
+		ch = sel_bch_isar(isar, 2);
+		if (ch && test_bit(FLG_ACTIVE, &ch->bch.Flags)) {
+			if (ch->bch.tx_skb && (ch->bch.tx_skb->len >
+			    ch->bch.tx_idx))
+				isar_fill_fifo(ch);
+			else
+				send_next(ch);
+		}
+	}
+}
+
+const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200", "NODEF4",
+			"300", "600", "1200", "2400", "4800", "7200",
+			"9600nt", "9600t", "12000", "14400", "WRONG"};
+const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21",
+			"Bell103", "V23", "Bell202", "V17", "V29", "V27ter"};
+
+static void
+isar_pump_status_rsp(struct isar_ch *ch) {
+	u8 ril = ch->is->buf[0];
+	u8 rim;
+
+	if (!test_and_clear_bit(ISAR_RATE_REQ, &ch->is->Flags))
+		return;
+	if (ril > 14) {
+		pr_info("%s: wrong pstrsp ril=%d\n", ch->is->name, ril);
+		ril = 15;
+	}
+	switch (ch->is->buf[1]) {
+	case 0:
+		rim = 0;
+		break;
+	case 0x20:
+		rim = 2;
+		break;
+	case 0x40:
+		rim = 3;
+		break;
+	case 0x41:
+		rim = 4;
+		break;
+	case 0x51:
+		rim = 5;
+		break;
+	case 0x61:
+		rim = 6;
+		break;
+	case 0x71:
+		rim = 7;
+		break;
+	case 0x82:
+		rim = 8;
+		break;
+	case 0x92:
+		rim = 9;
+		break;
+	case 0xa2:
+		rim = 10;
+		break;
+	default:
+		rim = 1;
+		break;
+	}
+	sprintf(ch->conmsg, "%s %s", dmril[ril], dmrim[rim]);
+	pr_debug("%s: pump strsp %s\n", ch->is->name, ch->conmsg);
+}
+
+static void
+isar_pump_statev_modem(struct isar_ch *ch, u8 devt) {
+	u8 dps = SET_DPS(ch->dpath);
+
+	switch (devt) {
+	case PSEV_10MS_TIMER:
+		pr_debug("%s: pump stev TIMER\n", ch->is->name);
+		break;
+	case PSEV_CON_ON:
+		pr_debug("%s: pump stev CONNECT\n", ch->is->name);
+		deliver_status(ch, HW_MOD_CONNECT);
+		break;
+	case PSEV_CON_OFF:
+		pr_debug("%s: pump stev NO CONNECT\n", ch->is->name);
+		send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+		deliver_status(ch, HW_MOD_NOCARR);
+		break;
+	case PSEV_V24_OFF:
+		pr_debug("%s: pump stev V24 OFF\n", ch->is->name);
+		break;
+	case PSEV_CTS_ON:
+		pr_debug("%s: pump stev CTS ON\n", ch->is->name);
+		break;
+	case PSEV_CTS_OFF:
+		pr_debug("%s pump stev CTS OFF\n", ch->is->name);
+		break;
+	case PSEV_DCD_ON:
+		pr_debug("%s: pump stev CARRIER ON\n", ch->is->name);
+		test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags);
+		send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+		break;
+	case PSEV_DCD_OFF:
+		pr_debug("%s: pump stev CARRIER OFF\n", ch->is->name);
+		break;
+	case PSEV_DSR_ON:
+		pr_debug("%s: pump stev DSR ON\n", ch->is->name);
+		break;
+	case PSEV_DSR_OFF:
+		pr_debug("%s: pump stev DSR_OFF\n", ch->is->name);
+		break;
+	case PSEV_REM_RET:
+		pr_debug("%s: pump stev REMOTE RETRAIN\n", ch->is->name);
+		break;
+	case PSEV_REM_REN:
+		pr_debug("%s: pump stev REMOTE RENEGOTIATE\n", ch->is->name);
+		break;
+	case PSEV_GSTN_CLR:
+		pr_debug("%s: pump stev GSTN CLEAR\n", ch->is->name);
+		break;
+	default:
+		pr_info("u%s: nknown pump stev %x\n", ch->is->name, devt);
+		break;
+	}
+}
+
+static void
+isar_pump_statev_fax(struct isar_ch *ch, u8 devt) {
+	u8 dps = SET_DPS(ch->dpath);
+	u8 p1;
+
+	switch (devt) {
+	case PSEV_10MS_TIMER:
+		pr_debug("%s: pump stev TIMER\n", ch->is->name);
+		break;
+	case PSEV_RSP_READY:
+		pr_debug("%s: pump stev RSP_READY\n", ch->is->name);
+		ch->state = STFAX_READY;
+		deliver_status(ch, HW_MOD_READY);
+#ifdef AUTOCON
+		if (test_bit(BC_FLG_ORIG, &ch->bch.Flags))
+			isar_pump_cmd(bch, HW_MOD_FRH, 3);
+		else
+			isar_pump_cmd(bch, HW_MOD_FTH, 3);
+#endif
+		break;
+	case PSEV_LINE_TX_H:
+		if (ch->state == STFAX_LINE) {
+			pr_debug("%s: pump stev LINE_TX_H\n", ch->is->name);
+			ch->state = STFAX_CONT;
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+				PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			pr_debug("%s: pump stev LINE_TX_H wrong st %x\n",
+				ch->is->name, ch->state);
+		}
+		break;
+	case PSEV_LINE_RX_H:
+		if (ch->state == STFAX_LINE) {
+			pr_debug("%s: pump stev LINE_RX_H\n", ch->is->name);
+			ch->state = STFAX_CONT;
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+				PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			pr_debug("%s: pump stev LINE_RX_H wrong st %x\n",
+				ch->is->name, ch->state);
+		}
+		break;
+	case PSEV_LINE_TX_B:
+		if (ch->state == STFAX_LINE) {
+			pr_debug("%s: pump stev LINE_TX_B\n", ch->is->name);
+			ch->state = STFAX_CONT;
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+				PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			pr_debug("%s: pump stev LINE_TX_B wrong st %x\n",
+				ch->is->name, ch->state);
+		}
+		break;
+	case PSEV_LINE_RX_B:
+		if (ch->state == STFAX_LINE) {
+			pr_debug("%s: pump stev LINE_RX_B\n", ch->is->name);
+			ch->state = STFAX_CONT;
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+				PCTRL_CMD_CONT, 0, NULL);
+		} else {
+			pr_debug("%s: pump stev LINE_RX_B wrong st %x\n",
+				ch->is->name, ch->state);
+		}
+		break;
+	case PSEV_RSP_CONN:
+		if (ch->state == STFAX_CONT) {
+			pr_debug("%s: pump stev RSP_CONN\n", ch->is->name);
+			ch->state = STFAX_ACTIV;
+			test_and_set_bit(ISAR_RATE_REQ, &ch->is->Flags);
+			send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+			if (ch->cmd == PCTRL_CMD_FTH) {
+				int delay = (ch->mod == 3) ? 1000 : 200;
+				/* 1s (200 ms) Flags before data */
+				if (test_and_set_bit(FLG_FTI_RUN,
+				    &ch->bch.Flags))
+					del_timer(&ch->ftimer);
+				ch->ftimer.expires =
+					jiffies + ((delay * HZ)/1000);
+				test_and_set_bit(FLG_LL_CONN,
+					&ch->bch.Flags);
+				add_timer(&ch->ftimer);
+			} else {
+				deliver_status(ch, HW_MOD_CONNECT);
+			}
+		} else {
+			pr_debug("%s: pump stev RSP_CONN wrong st %x\n",
+				ch->is->name, ch->state);
+		}
+		break;
+	case PSEV_FLAGS_DET:
+		pr_debug("%s: pump stev FLAGS_DET\n", ch->is->name);
+		break;
+	case PSEV_RSP_DISC:
+		pr_debug("%s: pump stev RSP_DISC state(%d)\n",
+			ch->is->name, ch->state);
+		if (ch->state == STFAX_ESCAPE) {
+			p1 = 5;
+			switch (ch->newcmd) {
+			case 0:
+				ch->state = STFAX_READY;
+				break;
+			case PCTRL_CMD_FTM:
+				p1 = 2;
+			case PCTRL_CMD_FTH:
+				send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+					PCTRL_CMD_SILON, 1, &p1);
+				ch->state = STFAX_SILDET;
+				break;
+			case PCTRL_CMD_FRH:
+			case PCTRL_CMD_FRM:
+				ch->mod = ch->newmod;
+				p1 = ch->newmod;
+				ch->newmod = 0;
+				ch->cmd = ch->newcmd;
+				ch->newcmd = 0;
+				send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+					ch->cmd, 1, &p1);
+				ch->state = STFAX_LINE;
+				ch->try_mod = 3;
+				break;
+			default:
+				pr_debug("%s: RSP_DISC unknown newcmd %x\n",
+					ch->is->name, ch->newcmd);
+				break;
+			}
+		} else if (ch->state == STFAX_ACTIV) {
+			if (test_and_clear_bit(FLG_LL_OK, &ch->bch.Flags))
+				deliver_status(ch, HW_MOD_OK);
+			else if (ch->cmd == PCTRL_CMD_FRM)
+				deliver_status(ch, HW_MOD_NOCARR);
+			else
+				deliver_status(ch, HW_MOD_FCERROR);
+			ch->state = STFAX_READY;
+		} else if (ch->state != STFAX_SILDET) {
+			/* ignore in STFAX_SILDET */
+			ch->state = STFAX_READY;
+			deliver_status(ch, HW_MOD_FCERROR);
+		}
+		break;
+	case PSEV_RSP_SILDET:
+		pr_debug("%s: pump stev RSP_SILDET\n", ch->is->name);
+		if (ch->state == STFAX_SILDET) {
+			ch->mod = ch->newmod;
+			p1 = ch->newmod;
+			ch->newmod = 0;
+			ch->cmd = ch->newcmd;
+			ch->newcmd = 0;
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+				ch->cmd, 1, &p1);
+			ch->state = STFAX_LINE;
+			ch->try_mod = 3;
+		}
+		break;
+	case PSEV_RSP_SILOFF:
+		pr_debug("%s: pump stev RSP_SILOFF\n", ch->is->name);
+		break;
+	case PSEV_RSP_FCERR:
+		if (ch->state == STFAX_LINE) {
+			pr_debug("%s: pump stev RSP_FCERR try %d\n",
+				ch->is->name, ch->try_mod);
+			if (ch->try_mod--) {
+				send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL,
+					ch->cmd, 1, &ch->mod);
+				break;
+			}
+		}
+		pr_debug("%s: pump stev RSP_FCERR\n", ch->is->name);
+		ch->state = STFAX_ESCAPE;
+		send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
+			0, NULL);
+		deliver_status(ch, HW_MOD_FCERROR);
+		break;
+	default:
+		break;
+	}
+}
+
+void
+mISDNisar_irq(struct isar_hw *isar)
+{
+	struct isar_ch *ch;
+
+	get_irq_infos(isar);
+	switch (isar->iis & ISAR_IIS_MSCMSD) {
+	case ISAR_IIS_RDATA:
+		ch = sel_bch_isar(isar, isar->iis >> 6);
+		if (ch)
+			isar_rcv_frame(ch);
+		else {
+			pr_debug("%s: ISAR spurious IIS_RDATA %x/%x/%x\n",
+				isar->name, isar->iis, isar->cmsb,
+				isar->clsb);
+			isar->write_reg(isar->hw, ISAR_IIA, 0);
+		}
+		break;
+	case ISAR_IIS_GSTEV:
+		isar->write_reg(isar->hw, ISAR_IIA, 0);
+		isar->bstat |= isar->cmsb;
+		check_send(isar, isar->cmsb);
+		break;
+	case ISAR_IIS_BSTEV:
+#ifdef ERROR_STATISTIC
+		ch = sel_bch_isar(isar, isar->iis >> 6);
+		if (ch) {
+			if (isar->cmsb == BSTEV_TBO)
+				ch->bch.err_tx++;
+			if (isar->cmsb == BSTEV_RBO)
+				ch->bch.err_rdo++;
+		}
+#endif
+		pr_debug("%s: Buffer STEV dpath%d msb(%x)\n",
+			isar->name, isar->iis>>6, isar->cmsb);
+		isar->write_reg(isar->hw, ISAR_IIA, 0);
+		break;
+	case ISAR_IIS_PSTEV:
+		ch = sel_bch_isar(isar, isar->iis >> 6);
+		if (ch) {
+			rcv_mbox(isar, NULL);
+			if (ch->bch.state == ISDN_P_B_MODEM_ASYNC)
+				isar_pump_statev_modem(ch, isar->cmsb);
+			else if (ch->bch.state == ISDN_P_B_T30_FAX)
+				isar_pump_statev_fax(ch, isar->cmsb);
+			else if (ch->bch.state == ISDN_P_B_RAW) {
+				int	tt;
+				tt = isar->cmsb | 0x30;
+				if (tt == 0x3e)
+					tt = '*';
+				else if (tt == 0x3f)
+					tt = '#';
+				else if (tt > '9')
+					tt += 7;
+				tt |= DTMF_TONE_VAL;
+				_queue_data(&ch->bch.ch, PH_CONTROL_IND,
+					MISDN_ID_ANY, sizeof(tt), &tt,
+					GFP_ATOMIC);
+			} else
+				pr_debug("%s: ISAR IIS_PSTEV pm %d sta %x\n",
+					isar->name, ch->bch.state,
+					isar->cmsb);
+		} else {
+			pr_debug("%s: ISAR spurious IIS_PSTEV %x/%x/%x\n",
+				isar->name, isar->iis, isar->cmsb,
+				isar->clsb);
+			isar->write_reg(isar->hw, ISAR_IIA, 0);
+		}
+		break;
+	case ISAR_IIS_PSTRSP:
+		ch = sel_bch_isar(isar, isar->iis >> 6);
+		if (ch) {
+			rcv_mbox(isar, NULL);
+			isar_pump_status_rsp(ch);
+		} else {
+			pr_debug("%s: ISAR spurious IIS_PSTRSP %x/%x/%x\n",
+				isar->name, isar->iis, isar->cmsb,
+				isar->clsb);
+			isar->write_reg(isar->hw, ISAR_IIA, 0);
+		}
+		break;
+	case ISAR_IIS_DIAG:
+	case ISAR_IIS_BSTRSP:
+	case ISAR_IIS_IOM2RSP:
+		rcv_mbox(isar, NULL);
+		break;
+	case ISAR_IIS_INVMSG:
+		rcv_mbox(isar, NULL);
+		pr_debug("%s: invalid msg his:%x\n", isar->name, isar->cmsb);
+		break;
+	default:
+		rcv_mbox(isar, NULL);
+		pr_debug("%s: unhandled msg iis(%x) ctrl(%x/%x)\n",
+			isar->name, isar->iis, isar->cmsb, isar->clsb);
+		break;
+	}
+}
+EXPORT_SYMBOL(mISDNisar_irq);
+
+static void
+ftimer_handler(unsigned long data)
+{
+	struct isar_ch *ch = (struct isar_ch *)data;
+
+	pr_debug("%s: ftimer flags %lx\n", ch->is->name, ch->bch.Flags);
+	test_and_clear_bit(FLG_FTI_RUN, &ch->bch.Flags);
+	if (test_and_clear_bit(FLG_LL_CONN, &ch->bch.Flags))
+		deliver_status(ch, HW_MOD_CONNECT);
+}
+
+static void
+setup_pump(struct isar_ch *ch) {
+	u8 dps = SET_DPS(ch->dpath);
+	u8 ctrl, param[6];
+
+	switch (ch->bch.state) {
+	case ISDN_P_NONE:
+	case ISDN_P_B_RAW:
+	case ISDN_P_B_HDLC:
+		send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL);
+		break;
+	case ISDN_P_B_L2DTMF:
+		if (test_bit(FLG_DTMFSEND, &ch->bch.Flags)) {
+			param[0] = 5; /* TOA 5 db */
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG,
+				PMOD_DTMF_TRANS, 1, param);
+		} else {
+			param[0] = 40; /* REL -46 dbm */
+			send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG,
+				PMOD_DTMF, 1, param);
+		}
+	case ISDN_P_B_MODEM_ASYNC:
+		ctrl = PMOD_DATAMODEM;
+		if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) {
+			ctrl |= PCTRL_ORIG;
+			param[5] = PV32P6_CTN;
+		} else {
+			param[5] = PV32P6_ATN;
+		}
+		param[0] = 6; /* 6 db */
+		param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B |
+			PV32P2_V22C | PV32P2_V21 | PV32P2_BEL;
+		param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B;
+		param[3] = PV32P4_UT144;
+		param[4] = PV32P5_UT144;
+		send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param);
+		break;
+	case ISDN_P_B_T30_FAX:
+		ctrl = PMOD_FAX;
+		if (test_bit(FLG_ORIGIN, &ch->bch.Flags)) {
+			ctrl |= PCTRL_ORIG;
+			param[1] = PFAXP2_CTN;
+		} else {
+			param[1] = PFAXP2_ATN;
+		}
+		param[0] = 6; /* 6 db */
+		send_mbox(ch->is, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param);
+		ch->state = STFAX_NULL;
+		ch->newcmd = 0;
+		ch->newmod = 0;
+		test_and_set_bit(FLG_FTI_RUN, &ch->bch.Flags);
+		break;
+	}
+	udelay(1000);
+	send_mbox(ch->is, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
+	udelay(1000);
+}
+
+static void
+setup_sart(struct isar_ch *ch) {
+	u8 dps = SET_DPS(ch->dpath);
+	u8 ctrl, param[2] = {0, 0};
+
+	switch (ch->bch.state) {
+	case ISDN_P_NONE:
+		send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE,
+			0, NULL);
+		break;
+	case ISDN_P_B_RAW:
+	case ISDN_P_B_L2DTMF:
+		send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_BINARY,
+			2, param);
+		break;
+	case ISDN_P_B_HDLC:
+	case ISDN_P_B_T30_FAX:
+		send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, SMODE_HDLC,
+			1, param);
+		break;
+	case ISDN_P_B_MODEM_ASYNC:
+		ctrl = SMODE_V14 | SCTRL_HDMC_BOTH;
+		param[0] = S_P1_CHS_8;
+		param[1] = S_P2_BFT_DEF;
+		send_mbox(ch->is, dps | ISAR_HIS_SARTCFG, ctrl, 2, param);
+		break;
+	}
+	udelay(1000);
+	send_mbox(ch->is, dps | ISAR_HIS_BSTREQ, 0, 0, NULL);
+	udelay(1000);
+}
+
+static void
+setup_iom2(struct isar_ch *ch) {
+	u8 dps = SET_DPS(ch->dpath);
+	u8 cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD, 0, 0, 0, 0};
+
+	if (ch->bch.nr == 2) {
+		msg[1] = 1;
+		msg[3] = 1;
+	}
+	switch (ch->bch.state) {
+	case ISDN_P_NONE:
+		cmsb = 0;
+		/* dummy slot */
+		msg[1] = ch->dpath + 2;
+		msg[3] = ch->dpath + 2;
+		break;
+	case ISDN_P_B_RAW:
+	case ISDN_P_B_HDLC:
+		break;
+	case ISDN_P_B_MODEM_ASYNC:
+	case ISDN_P_B_T30_FAX:
+		cmsb |= IOM_CTRL_RCV;
+	case ISDN_P_B_L2DTMF:
+		if (test_bit(FLG_DTMFSEND, &ch->bch.Flags))
+			cmsb |= IOM_CTRL_RCV;
+		cmsb |= IOM_CTRL_ALAW;
+		break;
+	}
+	send_mbox(ch->is, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg);
+	udelay(1000);
+	send_mbox(ch->is, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL);
+	udelay(1000);
+}
+
+static int
+modeisar(struct isar_ch *ch, u32 bprotocol)
+{
+	/* Here we are selecting the best datapath for requested protocol */
+	if (ch->bch.state == ISDN_P_NONE) { /* New Setup */
+		switch (bprotocol) {
+		case ISDN_P_NONE: /* init */
+			if (!ch->dpath)
+				/* no init for dpath 0 */
+				return 0;
+			test_and_clear_bit(FLG_HDLC, &ch->bch.Flags);
+			test_and_clear_bit(FLG_TRANSPARENT, &ch->bch.Flags);
+			break;
+		case ISDN_P_B_RAW:
+		case ISDN_P_B_HDLC:
+			/* best is datapath 2 */
+			if (!test_and_set_bit(ISAR_DP2_USE, &ch->is->Flags))
+				ch->dpath = 2;
+			else if (!test_and_set_bit(ISAR_DP1_USE,
+			    &ch->is->Flags))
+				ch->dpath = 1;
+			else {
+				pr_info("modeisar both pathes in use\n");
+				return -EBUSY;
+			}
+			if (bprotocol == ISDN_P_B_HDLC)
+				test_and_set_bit(FLG_HDLC, &ch->bch.Flags);
+			else
+				test_and_set_bit(FLG_TRANSPARENT,
+					&ch->bch.Flags);
+			break;
+		case ISDN_P_B_MODEM_ASYNC:
+		case ISDN_P_B_T30_FAX:
+		case ISDN_P_B_L2DTMF:
+			/* only datapath 1 */
+			if (!test_and_set_bit(ISAR_DP1_USE, &ch->is->Flags))
+				ch->dpath = 1;
+			else {
+				pr_info("%s: ISAR modeisar analog functions"
+					"only with DP1\n", ch->is->name);
+				return -EBUSY;
+			}
+			break;
+		default:
+			pr_info("%s: protocol not known %x\n", ch->is->name,
+				bprotocol);
+			return -ENOPROTOOPT;
+		}
+	}
+	pr_debug("%s: ISAR ch%d dp%d protocol %x->%x\n", ch->is->name,
+		ch->bch.nr, ch->dpath, ch->bch.state, bprotocol);
+	ch->bch.state = bprotocol;
+	setup_pump(ch);
+	setup_iom2(ch);
+	setup_sart(ch);
+	if (ch->bch.state == ISDN_P_NONE) {
+		/* Clear resources */
+		if (ch->dpath == 1)
+			test_and_clear_bit(ISAR_DP1_USE, &ch->is->Flags);
+		else if (ch->dpath == 2)
+			test_and_clear_bit(ISAR_DP2_USE, &ch->is->Flags);
+		ch->dpath = 0;
+		ch->is->ctrl(ch->is->hw, HW_DEACT_IND, ch->bch.nr);
+	} else
+		ch->is->ctrl(ch->is->hw, HW_ACTIVATE_IND, ch->bch.nr);
+	return 0;
+}
+
+static void
+isar_pump_cmd(struct isar_ch *ch, u32 cmd, u8 para)
+{
+	u8 dps = SET_DPS(ch->dpath);
+	u8 ctrl = 0, nom = 0, p1 = 0;
+
+	pr_debug("%s: isar_pump_cmd %x/%x state(%x)\n",
+		ch->is->name, cmd, para, ch->bch.state);
+	switch (cmd) {
+	case HW_MOD_FTM:
+		if (ch->state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FTM;
+			nom = 1;
+			ch->state = STFAX_LINE;
+			ch->cmd = ctrl;
+			ch->mod = para;
+			ch->newmod = 0;
+			ch->newcmd = 0;
+			ch->try_mod = 3;
+		} else if ((ch->state == STFAX_ACTIV) &&
+		    (ch->cmd == PCTRL_CMD_FTM) && (ch->mod == para))
+			deliver_status(ch, HW_MOD_CONNECT);
+		else {
+			ch->newmod = para;
+			ch->newcmd = PCTRL_CMD_FTM;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			ch->state = STFAX_ESCAPE;
+		}
+		break;
+	case HW_MOD_FTH:
+		if (ch->state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FTH;
+			nom = 1;
+			ch->state = STFAX_LINE;
+			ch->cmd = ctrl;
+			ch->mod = para;
+			ch->newmod = 0;
+			ch->newcmd = 0;
+			ch->try_mod = 3;
+		} else if ((ch->state == STFAX_ACTIV) &&
+		    (ch->cmd == PCTRL_CMD_FTH) && (ch->mod == para))
+				deliver_status(ch, HW_MOD_CONNECT);
+		else {
+			ch->newmod = para;
+			ch->newcmd = PCTRL_CMD_FTH;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			ch->state = STFAX_ESCAPE;
+		}
+		break;
+	case HW_MOD_FRM:
+		if (ch->state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FRM;
+			nom = 1;
+			ch->state = STFAX_LINE;
+			ch->cmd = ctrl;
+			ch->mod = para;
+			ch->newmod = 0;
+			ch->newcmd = 0;
+			ch->try_mod = 3;
+		} else if ((ch->state == STFAX_ACTIV) &&
+		    (ch->cmd == PCTRL_CMD_FRM) && (ch->mod == para))
+			deliver_status(ch, HW_MOD_CONNECT);
+		else {
+			ch->newmod = para;
+			ch->newcmd = PCTRL_CMD_FRM;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			ch->state = STFAX_ESCAPE;
+		}
+		break;
+	case HW_MOD_FRH:
+		if (ch->state == STFAX_READY) {
+			p1 = para;
+			ctrl = PCTRL_CMD_FRH;
+			nom = 1;
+			ch->state = STFAX_LINE;
+			ch->cmd = ctrl;
+			ch->mod = para;
+			ch->newmod = 0;
+			ch->newcmd = 0;
+			ch->try_mod = 3;
+		} else if ((ch->state == STFAX_ACTIV) &&
+		    (ch->cmd == PCTRL_CMD_FRH) && (ch->mod == para))
+			deliver_status(ch, HW_MOD_CONNECT);
+		else {
+			ch->newmod = para;
+			ch->newcmd = PCTRL_CMD_FRH;
+			nom = 0;
+			ctrl = PCTRL_CMD_ESC;
+			ch->state = STFAX_ESCAPE;
+		}
+		break;
+	case PCTRL_CMD_TDTMF:
+		p1 = para;
+		nom = 1;
+		ctrl = PCTRL_CMD_TDTMF;
+		break;
+	}
+	if (ctrl)
+		send_mbox(ch->is, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1);
+}
+
+static void
+isar_setup(struct isar_hw *isar)
+{
+	u8 msg;
+	int i;
+
+	/* Dpath 1, 2 */
+	msg = 61;
+	for (i = 0; i < 2; i++) {
+		/* Buffer Config */
+		send_mbox(isar, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |
+			ISAR_HIS_P12CFG, 4, 1, &msg);
+		isar->ch[i].mml = msg;
+		isar->ch[i].bch.state = 0;
+		isar->ch[i].dpath = i + 1;
+		modeisar(&isar->ch[i], ISDN_P_NONE);
+	}
+}
+
+static int
+isar_l2l1(struct mISDNchannel *ch, struct sk_buff *skb)
+{
+	struct bchannel *bch = container_of(ch, struct bchannel, ch);
+	struct isar_ch *ich = container_of(bch, struct isar_ch, bch);
+	int ret = -EINVAL;
+	struct mISDNhead *hh = mISDN_HEAD_P(skb);
+	u32 id, *val;
+	u_long flags;
+
+	switch (hh->prim) {
+	case PH_DATA_REQ:
+		spin_lock_irqsave(ich->is->hwlock, flags);
+		ret = bchannel_senddata(bch, skb);
+		if (ret > 0) { /* direct TX */
+			id = hh->id; /* skb can be freed */
+			ret = 0;
+			isar_fill_fifo(ich);
+			spin_unlock_irqrestore(ich->is->hwlock, flags);
+			if (!test_bit(FLG_TRANSPARENT, &bch->Flags))
+				queue_ch_frame(ch, PH_DATA_CNF, id, NULL);
+		} else
+			spin_unlock_irqrestore(ich->is->hwlock, flags);
+		return ret;
+	case PH_ACTIVATE_REQ:
+		spin_lock_irqsave(ich->is->hwlock, flags);
+		if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags))
+			ret = modeisar(ich, ch->protocol);
+		else
+			ret = 0;
+		spin_unlock_irqrestore(ich->is->hwlock, flags);
+		if (!ret)
+			_queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY, 0,
+				NULL, GFP_KERNEL);
+		break;
+	case PH_DEACTIVATE_REQ:
+		spin_lock_irqsave(ich->is->hwlock, flags);
+		mISDN_clear_bchannel(bch);
+		modeisar(ich, ISDN_P_NONE);
+		spin_unlock_irqrestore(ich->is->hwlock, flags);
+		_queue_data(ch, PH_DEACTIVATE_IND, MISDN_ID_ANY, 0,
+			NULL, GFP_KERNEL);
+		ret = 0;
+		break;
+	case PH_CONTROL_REQ:
+		val = (u32 *)skb->data;
+		pr_debug("%s: PH_CONTROL | REQUEST %x/%x\n", ich->is->name,
+			hh->id, *val);
+		if ((hh->id == 0) && ((*val & ~DTMF_TONE_MASK) ==
+		    DTMF_TONE_VAL)) {
+			if (bch->state == ISDN_P_B_L2DTMF) {
+				char tt = *val & DTMF_TONE_MASK;
+
+				if (tt == '*')
+					tt = 0x1e;
+				else if (tt == '#')
+					tt = 0x1f;
+				else if (tt > '9')
+					tt -= 7;
+				tt &= 0x1f;
+				spin_lock_irqsave(ich->is->hwlock, flags);
+				isar_pump_cmd(ich, PCTRL_CMD_TDTMF, tt);
+				spin_unlock_irqrestore(ich->is->hwlock, flags);
+			} else {
+				pr_info("%s: DTMF send wrong protocol %x\n",
+					__func__, bch->state);
+				return -EINVAL;
+			}
+		} else if ((hh->id == HW_MOD_FRM) || (hh->id == HW_MOD_FRH) ||
+		    (hh->id == HW_MOD_FTM) || (hh->id == HW_MOD_FTH)) {
+			for (id = 0; id < FAXMODCNT; id++)
+				if (faxmodulation[id] == *val)
+					break;
+			if ((FAXMODCNT > id) &&
+			    test_bit(FLG_INITIALIZED, &bch->Flags)) {
+				pr_debug("%s: isar: new mod\n", ich->is->name);
+				isar_pump_cmd(ich, hh->id, *val);
+				ret = 0;
+			} else {
+				pr_info("%s: wrong modulation\n",
+					ich->is->name);
+				ret = -EINVAL;
+			}
+		} else if (hh->id == HW_MOD_LASTDATA)
+			test_and_set_bit(FLG_DLEETX, &bch->Flags);
+		else {
+			pr_info("%s: unknown PH_CONTROL_REQ %x\n",
+				ich->is->name, hh->id);
+			ret = -EINVAL;
+		}
+	default:
+		pr_info("%s: %s unknown prim(%x,%x)\n",
+			ich->is->name, __func__, hh->prim, hh->id);
+		ret = -EINVAL;
+	}
+	if (!ret)
+		dev_kfree_skb(skb);
+	return ret;
+}
+
+static int
+channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
+{
+	int	ret = 0;
+
+	switch (cq->op) {
+	case MISDN_CTRL_GETOP:
+		cq->op = 0;
+		break;
+	/* Nothing implemented yet */
+	case MISDN_CTRL_FILL_EMPTY:
+	default:
+		pr_info("%s: unknown Op %x\n", __func__, cq->op);
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int
+isar_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
+{
+	struct bchannel *bch = container_of(ch, struct bchannel, ch);
+	struct isar_ch *ich = container_of(bch, struct isar_ch, bch);
+	int ret = -EINVAL;
+	u_long flags;
+
+	pr_debug("%s: %s cmd:%x %p\n", ich->is->name, __func__, cmd, arg);
+	switch (cmd) {
+	case CLOSE_CHANNEL:
+		test_and_clear_bit(FLG_OPEN, &bch->Flags);
+		if (test_bit(FLG_ACTIVE, &bch->Flags)) {
+			spin_lock_irqsave(ich->is->hwlock, flags);
+			mISDN_freebchannel(bch);
+			modeisar(ich, ISDN_P_NONE);
+			spin_unlock_irqrestore(ich->is->hwlock, flags);
+		} else {
+			skb_queue_purge(&bch->rqueue);
+			bch->rcount = 0;
+		}
+		ch->protocol = ISDN_P_NONE;
+		ch->peer = NULL;
+		module_put(ich->is->owner);
+		ret = 0;
+		break;
+	case CONTROL_CHANNEL:
+		ret = channel_bctrl(bch, arg);
+		break;
+	default:
+		pr_info("%s: %s unknown prim(%x)\n",
+			ich->is->name, __func__, cmd);
+	}
+	return ret;
+}
+
+static void
+free_isar(struct isar_hw *isar)
+{
+	modeisar(&isar->ch[0], ISDN_P_NONE);
+	modeisar(&isar->ch[1], ISDN_P_NONE);
+	del_timer(&isar->ch[0].ftimer);
+	del_timer(&isar->ch[1].ftimer);
+	test_and_clear_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags);
+	test_and_clear_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags);
+}
+
+static int
+init_isar(struct isar_hw *isar)
+{
+	int	cnt = 3;
+
+	while (cnt--) {
+		isar->version = ISARVersion(isar);
+		if (isar->ch[0].bch.debug & DEBUG_HW)
+			pr_notice("%s: Testing version %d (%d time)\n",
+				isar->name, isar->version, 3 - cnt);
+		if (isar->version == 1)
+			break;
+		isar->ctrl(isar->hw, HW_RESET_REQ, 0);
+	}
+	if (isar->version != 1)
+		return -EINVAL;
+	isar->ch[0].ftimer.function = &ftimer_handler;
+	isar->ch[0].ftimer.data = (long)&isar->ch[0];
+	init_timer(&isar->ch[0].ftimer);
+	test_and_set_bit(FLG_INITIALIZED, &isar->ch[0].bch.Flags);
+	isar->ch[1].ftimer.function = &ftimer_handler;
+	isar->ch[1].ftimer.data = (long)&isar->ch[1];
+	init_timer(&isar->ch[1].ftimer);
+	test_and_set_bit(FLG_INITIALIZED, &isar->ch[1].bch.Flags);
+	return 0;
+}
+
+static int
+isar_open(struct isar_hw *isar, struct channel_req *rq)
+{
+	struct bchannel		*bch;
+
+	if (rq->adr.channel > 2)
+		return -EINVAL;
+	if (rq->protocol == ISDN_P_NONE)
+		return -EINVAL;
+	bch = &isar->ch[rq->adr.channel - 1].bch;
+	if (test_and_set_bit(FLG_OPEN, &bch->Flags))
+		return -EBUSY; /* b-channel can be only open once */
+	test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);
+	bch->ch.protocol = rq->protocol;
+	rq->ch = &bch->ch;
+	return 0;
+}
+
+u32
+mISDNisar_init(struct isar_hw *isar, void *hw)
+{
+	u32 ret, i;
+
+	isar->hw = hw;
+	for (i = 0; i < 2; i++) {
+		isar->ch[i].bch.nr = i + 1;
+		mISDN_initbchannel(&isar->ch[i].bch, MAX_DATA_MEM);
+		isar->ch[i].bch.ch.nr = i + 1;
+		isar->ch[i].bch.ch.send = &isar_l2l1;
+		isar->ch[i].bch.ch.ctrl = isar_bctrl;
+		isar->ch[i].bch.hw = hw;
+		isar->ch[i].is = isar;
+	}
+
+	isar->init = &init_isar;
+	isar->release = &free_isar;
+	isar->firmware = &load_firmware;
+	isar->open = &isar_open;
+
+	ret =	(1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) |
+		(1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK)) |
+		(1 << (ISDN_P_B_L2DTMF & ISDN_P_B_MASK)) |
+		(1 << (ISDN_P_B_MODEM_ASYNC & ISDN_P_B_MASK)) |
+		(1 << (ISDN_P_B_T30_FAX & ISDN_P_B_MASK));
+
+	return ret;
+}
+EXPORT_SYMBOL(mISDNisar_init);
+
+static int isar_mod_init(void)
+{
+	pr_notice("mISDN: ISAR driver Rev. %s\n", ISAR_REV);
+	return 0;
+}
+
+static void isar_mod_cleanup(void)
+{
+	pr_notice("mISDN: ISAR module unloaded\n");
+}
+module_init(isar_mod_init);
+module_exit(isar_mod_cleanup);
diff --git a/drivers/isdn/hardware/mISDN/speedfax.c b/drivers/isdn/hardware/mISDN/speedfax.c
new file mode 100644
index 000000000000..ff3a4e290da3
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/speedfax.c
@@ -0,0 +1,526 @@
+/*
+ * speedfax.c	low level stuff for Sedlbauer Speedfax+ cards
+ *		based on the ISAR DSP
+ *		Thanks to Sedlbauer AG for informations and HW
+ *
+ * Author       Karsten Keil <keil@isdn4linux.de>
+ *
+ * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/mISDNhw.h>
+#include <linux/firmware.h>
+#include "ipac.h"
+#include "isar.h"
+
+#define SPEEDFAX_REV	"2.0"
+
+#define PCI_SUBVENDOR_SPEEDFAX_PYRAMID	0x51
+#define PCI_SUBVENDOR_SPEEDFAX_PCI	0x54
+#define PCI_SUB_ID_SEDLBAUER		0x01
+
+#define SFAX_PCI_ADDR		0xc8
+#define SFAX_PCI_ISAC		0xd0
+#define SFAX_PCI_ISAR		0xe0
+
+/* TIGER 100 Registers */
+
+#define TIGER_RESET_ADDR	0x00
+#define TIGER_EXTERN_RESET_ON	0x01
+#define TIGER_EXTERN_RESET_OFF	0x00
+#define TIGER_AUX_CTRL		0x02
+#define TIGER_AUX_DATA		0x03
+#define TIGER_AUX_IRQMASK	0x05
+#define TIGER_AUX_STATUS	0x07
+
+/* Tiger AUX BITs */
+#define SFAX_AUX_IOMASK		0xdd	/* 1 and 5 are inputs */
+#define SFAX_ISAR_RESET_BIT_OFF 0x00
+#define SFAX_ISAR_RESET_BIT_ON	0x01
+#define SFAX_TIGER_IRQ_BIT	0x02
+#define SFAX_LED1_BIT		0x08
+#define SFAX_LED2_BIT		0x10
+
+#define SFAX_PCI_RESET_ON	(SFAX_ISAR_RESET_BIT_ON)
+#define SFAX_PCI_RESET_OFF	(SFAX_LED1_BIT | SFAX_LED2_BIT)
+
+static int sfax_cnt;
+static u32 debug;
+static u32 irqloops = 4;
+
+struct sfax_hw {
+	struct list_head	list;
+	struct pci_dev		*pdev;
+	char			name[MISDN_MAX_IDLEN];
+	u32			irq;
+	u32			irqcnt;
+	u32			cfg;
+	struct _ioport		p_isac;
+	struct _ioport		p_isar;
+	u8			aux_data;
+	spinlock_t		lock;	/* HW access lock */
+	struct isac_hw		isac;
+	struct isar_hw		isar;
+};
+
+static LIST_HEAD(Cards);
+static DEFINE_RWLOCK(card_lock); /* protect Cards */
+
+static void
+_set_debug(struct sfax_hw *card)
+{
+	card->isac.dch.debug = debug;
+	card->isar.ch[0].bch.debug = debug;
+	card->isar.ch[1].bch.debug = debug;
+}
+
+static int
+set_debug(const char *val, struct kernel_param *kp)
+{
+	int ret;
+	struct sfax_hw *card;
+
+	ret = param_set_uint(val, kp);
+	if (!ret) {
+		read_lock(&card_lock);
+		list_for_each_entry(card, &Cards, list)
+			_set_debug(card);
+		read_unlock(&card_lock);
+	}
+	return ret;
+}
+
+MODULE_AUTHOR("Karsten Keil");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(SPEEDFAX_REV);
+module_param_call(debug, set_debug, param_get_uint, &debug, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Speedfax debug mask");
+module_param(irqloops, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(irqloops, "Speedfax maximal irqloops (default 4)");
+
+IOFUNC_IND(ISAC, sfax_hw, p_isac)
+IOFUNC_IND(ISAR, sfax_hw, p_isar)
+
+static irqreturn_t
+speedfax_irq(int intno, void *dev_id)
+{
+	struct sfax_hw	*sf = dev_id;
+	u8 val;
+	int cnt = irqloops;
+
+	spin_lock(&sf->lock);
+	val = inb(sf->cfg + TIGER_AUX_STATUS);
+	if (val & SFAX_TIGER_IRQ_BIT) { /* for us or shared ? */
+		spin_unlock(&sf->lock);
+		return IRQ_NONE; /* shared */
+	}
+	sf->irqcnt++;
+	val = ReadISAR_IND(sf, ISAR_IRQBIT);
+Start_ISAR:
+	if (val & ISAR_IRQSTA)
+		mISDNisar_irq(&sf->isar);
+	val = ReadISAC_IND(sf, ISAC_ISTA);
+	if (val)
+		mISDNisac_irq(&sf->isac, val);
+	val = ReadISAR_IND(sf, ISAR_IRQBIT);
+	if ((val & ISAR_IRQSTA) && cnt--)
+		goto Start_ISAR;
+	if (cnt < irqloops)
+		pr_debug("%s: %d irqloops cpu%d\n", sf->name,
+			irqloops - cnt, smp_processor_id());
+	if (irqloops && !cnt)
+		pr_notice("%s: %d IRQ LOOP cpu%d\n", sf->name,
+			irqloops, smp_processor_id());
+	spin_unlock(&sf->lock);
+	return IRQ_HANDLED;
+}
+
+static void
+enable_hwirq(struct sfax_hw *sf)
+{
+	WriteISAC_IND(sf, ISAC_MASK, 0);
+	WriteISAR_IND(sf, ISAR_IRQBIT, ISAR_IRQMSK);
+	outb(SFAX_TIGER_IRQ_BIT, sf->cfg + TIGER_AUX_IRQMASK);
+}
+
+static void
+disable_hwirq(struct sfax_hw *sf)
+{
+	WriteISAC_IND(sf, ISAC_MASK, 0xFF);
+	WriteISAR_IND(sf, ISAR_IRQBIT, 0);
+	outb(0, sf->cfg + TIGER_AUX_IRQMASK);
+}
+
+static void
+reset_speedfax(struct sfax_hw *sf)
+{
+
+	pr_debug("%s: resetting card\n", sf->name);
+	outb(TIGER_EXTERN_RESET_ON, sf->cfg + TIGER_RESET_ADDR);
+	outb(SFAX_PCI_RESET_ON, sf->cfg + TIGER_AUX_DATA);
+	mdelay(1);
+	outb(TIGER_EXTERN_RESET_OFF, sf->cfg + TIGER_RESET_ADDR);
+	sf->aux_data = SFAX_PCI_RESET_OFF;
+	outb(sf->aux_data, sf->cfg + TIGER_AUX_DATA);
+	mdelay(1);
+}
+
+static int
+sfax_ctrl(struct sfax_hw  *sf, u32 cmd, u_long arg)
+{
+	int ret = 0;
+
+	switch (cmd) {
+	case HW_RESET_REQ:
+		reset_speedfax(sf);
+		break;
+	case HW_ACTIVATE_IND:
+		if (arg & 1)
+			sf->aux_data &= ~SFAX_LED1_BIT;
+		if (arg & 2)
+			sf->aux_data &= ~SFAX_LED2_BIT;
+		outb(sf->aux_data, sf->cfg + TIGER_AUX_DATA);
+		break;
+	case HW_DEACT_IND:
+		if (arg & 1)
+			sf->aux_data |= SFAX_LED1_BIT;
+		if (arg & 2)
+			sf->aux_data |= SFAX_LED2_BIT;
+		outb(sf->aux_data, sf->cfg + TIGER_AUX_DATA);
+		break;
+	default:
+		pr_info("%s: %s unknown command %x %lx\n",
+			sf->name, __func__, cmd, arg);
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int
+channel_ctrl(struct sfax_hw  *sf, struct mISDN_ctrl_req *cq)
+{
+	int	ret = 0;
+
+	switch (cq->op) {
+	case MISDN_CTRL_GETOP:
+		cq->op = MISDN_CTRL_LOOP;
+		break;
+	case MISDN_CTRL_LOOP:
+		/* cq->channel: 0 disable, 1 B1 loop 2 B2 loop, 3 both */
+		if (cq->channel < 0 || cq->channel > 3) {
+			ret = -EINVAL;
+			break;
+		}
+		ret = sf->isac.ctrl(&sf->isac, HW_TESTLOOP, cq->channel);
+		break;
+	default:
+		pr_info("%s: unknown Op %x\n", sf->name, cq->op);
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int
+sfax_dctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
+{
+	struct mISDNdevice	*dev = container_of(ch, struct mISDNdevice, D);
+	struct dchannel		*dch = container_of(dev, struct dchannel, dev);
+	struct sfax_hw		*sf = dch->hw;
+	struct channel_req	*rq;
+	int			err = 0;
+
+	pr_debug("%s: cmd:%x %p\n", sf->name, cmd, arg);
+	switch (cmd) {
+	case OPEN_CHANNEL:
+		rq = arg;
+		if (rq->protocol == ISDN_P_TE_S0)
+			err = sf->isac.open(&sf->isac, rq);
+		else
+			err = sf->isar.open(&sf->isar, rq);
+		if (err)
+			break;
+		if (!try_module_get(THIS_MODULE))
+			pr_info("%s: cannot get module\n", sf->name);
+		break;
+	case CLOSE_CHANNEL:
+		pr_debug("%s: dev(%d) close from %p\n", sf->name,
+			dch->dev.id, __builtin_return_address(0));
+		module_put(THIS_MODULE);
+		break;
+	case CONTROL_CHANNEL:
+		err = channel_ctrl(sf, arg);
+		break;
+	default:
+		pr_debug("%s: unknown command %x\n", sf->name, cmd);
+		return -EINVAL;
+	}
+	return err;
+}
+
+static int __devinit
+init_card(struct sfax_hw *sf)
+{
+	int	ret, cnt = 3;
+	u_long	flags;
+
+	ret = request_irq(sf->irq, speedfax_irq, IRQF_SHARED, sf->name, sf);
+	if (ret) {
+		pr_info("%s: couldn't get interrupt %d\n", sf->name, sf->irq);
+		return ret;
+	}
+	while (cnt--) {
+		spin_lock_irqsave(&sf->lock, flags);
+		ret = sf->isac.init(&sf->isac);
+		if (ret) {
+			spin_unlock_irqrestore(&sf->lock, flags);
+			pr_info("%s: ISAC init failed with %d\n",
+				sf->name, ret);
+			break;
+		}
+		enable_hwirq(sf);
+		/* RESET Receiver and Transmitter */
+		WriteISAC_IND(sf, ISAC_CMDR, 0x41);
+		spin_unlock_irqrestore(&sf->lock, flags);
+		msleep_interruptible(10);
+		if (debug & DEBUG_HW)
+			pr_notice("%s: IRQ %d count %d\n", sf->name,
+				sf->irq, sf->irqcnt);
+		if (!sf->irqcnt) {
+			pr_info("%s: IRQ(%d) got no requests during init %d\n",
+			       sf->name, sf->irq, 3 - cnt);
+		} else
+			return 0;
+	}
+	free_irq(sf->irq, sf);
+	return -EIO;
+}
+
+
+static int __devinit
+setup_speedfax(struct sfax_hw *sf)
+{
+	u_long flags;
+
+	if (!request_region(sf->cfg, 256, sf->name)) {
+		pr_info("mISDN: %s config port %x-%x already in use\n",
+		       sf->name, sf->cfg, sf->cfg + 255);
+		return -EIO;
+	}
+	outb(0xff, sf->cfg);
+	outb(0, sf->cfg);
+	outb(0xdd, sf->cfg + TIGER_AUX_CTRL);
+	outb(0, sf->cfg + TIGER_AUX_IRQMASK);
+
+	sf->isac.type = IPAC_TYPE_ISAC;
+	sf->p_isac.ale = sf->cfg + SFAX_PCI_ADDR;
+	sf->p_isac.port = sf->cfg + SFAX_PCI_ISAC;
+	sf->p_isar.ale = sf->cfg + SFAX_PCI_ADDR;
+	sf->p_isar.port = sf->cfg + SFAX_PCI_ISAR;
+	ASSIGN_FUNC(IND, ISAC, sf->isac);
+	ASSIGN_FUNC(IND, ISAR, sf->isar);
+	spin_lock_irqsave(&sf->lock, flags);
+	reset_speedfax(sf);
+	disable_hwirq(sf);
+	spin_unlock_irqrestore(&sf->lock, flags);
+	return 0;
+}
+
+static void
+release_card(struct sfax_hw *card) {
+	u_long	flags;
+
+	spin_lock_irqsave(&card->lock, flags);
+	disable_hwirq(card);
+	spin_unlock_irqrestore(&card->lock, flags);
+	card->isac.release(&card->isac);
+	free_irq(card->irq, card);
+	card->isar.release(&card->isar);
+	mISDN_unregister_device(&card->isac.dch.dev);
+	release_region(card->cfg, 256);
+	pci_disable_device(card->pdev);
+	pci_set_drvdata(card->pdev, NULL);
+	write_lock_irqsave(&card_lock, flags);
+	list_del(&card->list);
+	write_unlock_irqrestore(&card_lock, flags);
+	kfree(card);
+	sfax_cnt--;
+}
+
+static int __devinit
+setup_instance(struct sfax_hw *card)
+{
+	const struct firmware *firmware;
+	int i, err;
+	u_long flags;
+
+	snprintf(card->name, MISDN_MAX_IDLEN - 1, "Speedfax.%d", sfax_cnt + 1);
+	write_lock_irqsave(&card_lock, flags);
+	list_add_tail(&card->list, &Cards);
+	write_unlock_irqrestore(&card_lock, flags);
+	_set_debug(card);
+	spin_lock_init(&card->lock);
+	card->isac.hwlock = &card->lock;
+	card->isar.hwlock = &card->lock;
+	card->isar.ctrl = (void *)&sfax_ctrl;
+	card->isac.name = card->name;
+	card->isar.name = card->name;
+	card->isar.owner = THIS_MODULE;
+
+	err = request_firmware(&firmware, "isdn/ISAR.BIN", &card->pdev->dev);
+	if (err < 0) {
+		pr_info("%s: firmware request failed %d\n",
+			card->name, err);
+		goto error_fw;
+	}
+	if (debug & DEBUG_HW)
+		pr_notice("%s: got firmware %zu bytes\n",
+			card->name, firmware->size);
+
+	mISDNisac_init(&card->isac, card);
+
+	card->isac.dch.dev.D.ctrl = sfax_dctrl;
+	card->isac.dch.dev.Bprotocols =
+		mISDNisar_init(&card->isar, card);
+	for (i = 0; i < 2; i++) {
+		set_channelmap(i + 1, card->isac.dch.dev.channelmap);
+		list_add(&card->isar.ch[i].bch.ch.list,
+			&card->isac.dch.dev.bchannels);
+	}
+
+	err = setup_speedfax(card);
+	if (err)
+		goto error_setup;
+	err = card->isar.init(&card->isar);
+	if (err)
+		goto error;
+	err = mISDN_register_device(&card->isac.dch.dev,
+		&card->pdev->dev, card->name);
+	if (err)
+		goto error;
+	err = init_card(card);
+	if (err)
+		goto error_init;
+	err = card->isar.firmware(&card->isar, firmware->data, firmware->size);
+	if (!err)  {
+		release_firmware(firmware);
+		sfax_cnt++;
+		pr_notice("SpeedFax %d cards installed\n", sfax_cnt);
+		return 0;
+	}
+	disable_hwirq(card);
+	free_irq(card->irq, card);
+error_init:
+	mISDN_unregister_device(&card->isac.dch.dev);
+error:
+	release_region(card->cfg, 256);
+error_setup:
+	card->isac.release(&card->isac);
+	card->isar.release(&card->isar);
+	release_firmware(firmware);
+error_fw:
+	pci_disable_device(card->pdev);
+	write_lock_irqsave(&card_lock, flags);
+	list_del(&card->list);
+	write_unlock_irqrestore(&card_lock, flags);
+	kfree(card);
+	return err;
+}
+
+static int __devinit
+sfaxpci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	int err = -ENOMEM;
+	struct sfax_hw *card = kzalloc(sizeof(struct sfax_hw), GFP_KERNEL);
+
+	if (!card) {
+		pr_info("No memory for Speedfax+ PCI\n");
+		return err;
+	}
+	card->pdev = pdev;
+	err = pci_enable_device(pdev);
+	if (err) {
+		kfree(card);
+		return err;
+	}
+
+	pr_notice("mISDN: Speedfax found adapter %s at %s\n",
+		(char *)ent->driver_data, pci_name(pdev));
+
+	card->cfg = pci_resource_start(pdev, 0);
+	card->irq = pdev->irq;
+	pci_set_drvdata(pdev, card);
+	err = setup_instance(card);
+	if (err)
+		pci_set_drvdata(pdev, NULL);
+	return err;
+}
+
+static void __devexit
+sfax_remove_pci(struct pci_dev *pdev)
+{
+	struct sfax_hw	*card = pci_get_drvdata(pdev);
+
+	if (card)
+		release_card(card);
+	else
+		pr_debug("%s: drvdata allready removed\n", __func__);
+}
+
+static struct pci_device_id sfaxpci_ids[] __devinitdata = {
+	{ PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100,
+	  PCI_SUBVENDOR_SPEEDFAX_PYRAMID, PCI_SUB_ID_SEDLBAUER,
+	  0, 0, (unsigned long) "Pyramid Speedfax + PCI"
+	},
+	{ PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100,
+	  PCI_SUBVENDOR_SPEEDFAX_PCI, PCI_SUB_ID_SEDLBAUER,
+	  0, 0, (unsigned long) "Sedlbauer Speedfax + PCI"
+	},
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, sfaxpci_ids);
+
+static struct pci_driver sfaxpci_driver = {
+	.name = "speedfax+ pci",
+	.probe = sfaxpci_probe,
+	.remove = __devexit_p(sfax_remove_pci),
+	.id_table = sfaxpci_ids,
+};
+
+static int __init
+Speedfax_init(void)
+{
+	int err;
+
+	pr_notice("Sedlbauer Speedfax+ Driver Rev. %s\n",
+		SPEEDFAX_REV);
+	err = pci_register_driver(&sfaxpci_driver);
+	return err;
+}
+
+static void __exit
+Speedfax_cleanup(void)
+{
+	pci_unregister_driver(&sfaxpci_driver);
+}
+
+module_init(Speedfax_init);
+module_exit(Speedfax_cleanup);