mISDN: Add driver for Infineon ISDN chipset family

This driver supports cards with Infineon ISAC/HSCX, ISACX, IPAC
and IPACX chips from various manufacturers.

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

drivers/isdn/hardware/mISDN/Kconfig

@@ -39,3 +39,17 @@ config MISDN_HFCUSB
 	  Enable support for USB ISDN TAs with Cologne Chip AG's
 	  HFC-S USB ISDN Controller
 
+config MISDN_INFINEON
+	tristate "Support for cards with Infineon chipset"
+	depends on MISDN
+	depends on PCI
+	select MISDN_IPAC
+	help
+	  Enable support for cards with ISAC + HSCX, IPAC or IPAC-SX
+	  chip from Infineon (former manufacturer Siemens).
+
+
+config MISDN_IPAC
+	tristate
+	depends on MISDN
+

drivers/isdn/hardware/mISDN/Makefile

@@ -6,3 +6,6 @@
 obj-$(CONFIG_MISDN_HFCPCI) += hfcpci.o
 obj-$(CONFIG_MISDN_HFCMULTI) += hfcmulti.o
 obj-$(CONFIG_MISDN_HFCUSB) += hfcsusb.o
+obj-$(CONFIG_MISDN_INFINEON) += mISDNinfineon.o
+# chip modules
+obj-$(CONFIG_MISDN_IPAC) += mISDNipac.o

drivers/isdn/hardware/mISDN/iohelper.h

+/*
+ * iohelper.h
+ *		helper for define functions to access ISDN hardware
+ *              supported are memory mapped IO
+ *		indirect port IO (one port for address, one for data)
+ *
+ * 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.
+ *
+ */
+
+#ifndef _IOHELPER_H
+#define _IOHELPER_H
+
+typedef	u8	(read_reg_t)(void *, u8);
+typedef	void	(write_reg_t)(void *, u8, u8);
+typedef	void	(fifo_func_t)(void *, u8, u8 *, int);
+
+struct _ioport {
+	u32	port;
+	u32	ale;
+};
+
+#define IOFUNC_IO(name, hws, ap) \
+	static u8 Read##name##_IO(void *p, u8 off) {\
+		struct hws *hw = p;\
+		return inb(hw->ap.port + off);\
+	} \
+	static void Write##name##_IO(void *p, u8 off, u8 val) {\
+		struct hws *hw = p;\
+		outb(val, hw->ap.port + off);\
+	} \
+	static void ReadFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) {\
+		struct hws *hw = p;\
+		insb(hw->ap.port + off, dp, size);\
+	} \
+	static void WriteFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) {\
+		struct hws *hw = p;\
+		outsb(hw->ap.port + off, dp, size);\
+	}
+
+#define IOFUNC_IND(name, hws, ap) \
+	static u8 Read##name##_IND(void *p, u8 off) {\
+		struct hws *hw = p;\
+		outb(off, hw->ap.ale);\
+		return inb(hw->ap.port);\
+	} \
+	static void Write##name##_IND(void *p, u8 off, u8 val) {\
+		struct hws *hw = p;\
+		outb(off, hw->ap.ale);\
+		outb(val, hw->ap.port);\
+	} \
+	static void ReadFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) {\
+		struct hws *hw = p;\
+		outb(off, hw->ap.ale);\
+		insb(hw->ap.port, dp, size);\
+	} \
+	static void WriteFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) {\
+		struct hws *hw = p;\
+		outb(off, hw->ap.ale);\
+		outsb(hw->ap.port, dp, size);\
+	}
+
+#define IOFUNC_MEMIO(name, hws, typ, adr) \
+	static u8 Read##name##_MIO(void *p, u8 off) {\
+		struct hws *hw = p;\
+		return readb(((typ *)hw->adr) + off);\
+	} \
+	static void Write##name##_MIO(void *p, u8 off, u8 val) {\
+		struct hws *hw = p;\
+		writeb(val, ((typ *)hw->adr) + off);\
+	} \
+	static void ReadFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) {\
+		struct hws *hw = p;\
+		while (size--)\
+			*dp++ = readb(((typ *)hw->adr) + off);\
+	} \
+	static void WriteFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) {\
+		struct inf_hw *hw = p;\
+		while (size--)\
+			writeb(*dp++, ((typ *)hw->adr) + off);\
+	}
+
+#define ASSIGN_FUNC(typ, name, dest)	do {\
+	dest.read_reg = &Read##name##_##typ;\
+	dest.write_reg = &Write##name##_##typ;\
+	dest.read_fifo = &ReadFiFo##name##_##typ;\
+	dest.write_fifo = &WriteFiFo##name##_##typ;\
+	} while (0)
+#define ASSIGN_FUNC_IPAC(typ, target)	do {\
+	ASSIGN_FUNC(typ, ISAC, target.isac);\
+	ASSIGN_FUNC(typ, IPAC, target);\
+	} while (0)
+
+#endif
\ No newline at end of file

drivers/isdn/hardware/mISDN/ipac.h

+/*
+ *
+ * ipac.h	Defines for the Infineon (former Siemens) ISDN
+ *		chip series
+ *
+ * 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 isac_hw {
+	struct dchannel		dch;
+	u32			type;
+	u32			off;		/* offset to isac regs */
+	char			*name;
+	spinlock_t		*hwlock;	/* lock HW acccess */
+	read_reg_t		*read_reg;
+	write_reg_t		*write_reg;
+	fifo_func_t		*read_fifo;
+	fifo_func_t		*write_fifo;
+	int			(*monitor)(void *, u32, u8 *, int);
+	void			(*release)(struct isac_hw *);
+	int			(*init)(struct isac_hw *);
+	int			(*ctrl)(struct isac_hw *, u32, u_long);
+	int			(*open)(struct isac_hw *, struct channel_req *);
+	u8			*mon_tx;
+	u8			*mon_rx;
+	int			mon_txp;
+	int			mon_txc;
+	int			mon_rxp;
+	struct arcofi_msg	*arcofi_list;
+	struct timer_list	arcofitimer;
+	wait_queue_head_t	arcofi_wait;
+	u8			arcofi_bc;
+	u8			arcofi_state;
+	u8			mocr;
+	u8			adf2;
+	u8			state;
+};
+
+struct ipac_hw;
+
+struct hscx_hw {
+	struct bchannel		bch;
+	struct ipac_hw		*ip;
+	u8			fifo_size;
+	u8			off;	/* offset to ICA or ICB */
+	u8			slot;
+	char			log[64];
+};
+
+struct ipac_hw {
+	struct isac_hw		isac;
+	struct hscx_hw		hscx[2];
+	char			*name;
+	void			*hw;
+	spinlock_t		*hwlock;	/* lock HW acccess */
+	struct module		*owner;
+	u32			type;
+	read_reg_t		*read_reg;
+	write_reg_t		*write_reg;
+	fifo_func_t		*read_fifo;
+	fifo_func_t		*write_fifo;
+	void			(*release)(struct ipac_hw *);
+	int			(*init)(struct ipac_hw *);
+	int			(*ctrl)(struct ipac_hw *, u32, u_long);
+	u8			conf;
+};
+
+#define IPAC_TYPE_ISAC		0x0010
+#define IPAC_TYPE_IPAC		0x0020
+#define IPAC_TYPE_ISACX		0x0040
+#define IPAC_TYPE_IPACX		0x0080
+#define IPAC_TYPE_HSCX		0x0100
+
+#define ISAC_USE_ARCOFI		0x1000
+
+/* Monitor functions */
+#define MONITOR_RX_0		0x1000
+#define MONITOR_RX_1		0x1001
+#define MONITOR_TX_0		0x2000
+#define MONITOR_TX_1		0x2001
+
+/* All registers original Siemens Spec  */
+/* IPAC/ISAC registers */
+#define ISAC_MASK		0x20
+#define ISAC_ISTA		0x20
+#define ISAC_STAR		0x21
+#define ISAC_CMDR		0x21
+#define ISAC_EXIR		0x24
+#define ISAC_ADF2		0x39
+#define ISAC_SPCR		0x30
+#define ISAC_ADF1		0x38
+#define ISAC_CIR0		0x31
+#define ISAC_CIX0		0x31
+#define ISAC_CIR1		0x33
+#define ISAC_CIX1		0x33
+#define ISAC_STCR		0x37
+#define ISAC_MODE		0x22
+#define ISAC_RSTA		0x27
+#define ISAC_RBCL		0x25
+#define ISAC_RBCH		0x2A
+#define ISAC_TIMR		0x23
+#define ISAC_SQXR		0x3b
+#define ISAC_SQRR		0x3b
+#define ISAC_MOSR		0x3a
+#define ISAC_MOCR		0x3a
+#define ISAC_MOR0		0x32
+#define ISAC_MOX0		0x32
+#define ISAC_MOR1		0x34
+#define ISAC_MOX1		0x34
+
+#define ISAC_RBCH_XAC		0x80
+
+#define IPAC_D_TIN2		0x01
+
+/* IPAC/HSCX */
+#define IPAC_ISTAB		0x20	/* RD	*/
+#define IPAC_MASKB		0x20	/* WR	*/
+#define IPAC_STARB		0x21	/* RD	*/
+#define IPAC_CMDRB		0x21	/* WR	*/
+#define IPAC_MODEB		0x22	/* R/W	*/
+#define IPAC_EXIRB		0x24	/* RD	*/
+#define IPAC_RBCLB		0x25	/* RD	*/
+#define IPAC_RAH1		0x26	/* WR	*/
+#define IPAC_RAH2		0x27	/* WR	*/
+#define IPAC_RSTAB		0x27	/* RD	*/
+#define IPAC_RAL1		0x28	/* R/W	*/
+#define IPAC_RAL2		0x29	/* WR	*/
+#define IPAC_RHCRB		0x29	/* RD	*/
+#define IPAC_XBCL		0x2A	/* WR	*/
+#define IPAC_CCR2		0x2C	/* R/W	*/
+#define IPAC_RBCHB		0x2D	/* RD	*/
+#define IPAC_XBCH		0x2D	/* WR	*/
+#define HSCX_VSTR		0x2E	/* RD	*/
+#define IPAC_RLCR		0x2E	/* WR	*/
+#define IPAC_CCR1		0x2F	/* R/W	*/
+#define IPAC_TSAX		0x30	/* WR	*/
+#define IPAC_TSAR		0x31	/* WR	*/
+#define IPAC_XCCR		0x32	/* WR	*/
+#define IPAC_RCCR		0x33	/* WR	*/
+
+/* IPAC_ISTAB/IPAC_MASKB bits */
+#define IPAC_B_XPR		0x10
+#define IPAC_B_RPF		0x40
+#define IPAC_B_RME		0x80
+#define IPAC_B_ON		0x2F
+
+/* IPAC_EXIRB bits */
+#define IPAC_B_RFS		0x04
+#define IPAC_B_RFO		0x10
+#define IPAC_B_XDU		0x40
+#define IPAC_B_XMR		0x80
+
+/* IPAC special registers */
+#define IPAC_CONF		0xC0	/* R/W	*/
+#define IPAC_ISTA		0xC1	/* RD	*/
+#define IPAC_MASK		0xC1	/* WR	*/
+#define IPAC_ID			0xC2	/* RD	*/
+#define IPAC_ACFG		0xC3	/* R/W	*/
+#define IPAC_AOE		0xC4	/* R/W	*/
+#define IPAC_ARX		0xC5	/* RD	*/
+#define IPAC_ATX		0xC5	/* WR	*/
+#define IPAC_PITA1		0xC6	/* R/W	*/
+#define IPAC_PITA2		0xC7	/* R/W	*/
+#define IPAC_POTA1		0xC8	/* R/W	*/
+#define IPAC_POTA2		0xC9	/* R/W	*/
+#define IPAC_PCFG		0xCA	/* R/W	*/
+#define IPAC_SCFG		0xCB	/* R/W	*/
+#define IPAC_TIMR2		0xCC	/* R/W	*/
+
+/* IPAC_ISTA/_MASK bits */
+#define IPAC__EXB		0x01
+#define IPAC__ICB		0x02
+#define IPAC__EXA		0x04
+#define IPAC__ICA		0x08
+#define IPAC__EXD		0x10
+#define IPAC__ICD		0x20
+#define IPAC__INT0		0x40
+#define IPAC__INT1		0x80
+#define IPAC__ON		0xC0
+
+/* HSCX ISTA/MASK bits */
+#define HSCX__EXB		0x01
+#define HSCX__EXA		0x02
+#define HSCX__ICA		0x04
+
+/* ISAC/ISACX/IPAC/IPACX L1 commands */
+#define ISAC_CMD_TIM		0x0
+#define ISAC_CMD_RS		0x1
+#define ISAC_CMD_SCZ		0x4
+#define ISAC_CMD_SSZ		0x2
+#define ISAC_CMD_AR8		0x8
+#define ISAC_CMD_AR10		0x9
+#define ISAC_CMD_ARL		0xA
+#define ISAC_CMD_DUI		0xF
+
+/* ISAC/ISACX/IPAC/IPACX L1 indications */
+#define ISAC_IND_RS		0x1
+#define ISAC_IND_PU		0x7
+#define ISAC_IND_DR		0x0
+#define ISAC_IND_SD		0x2
+#define ISAC_IND_DIS		0x3
+#define ISAC_IND_EI		0x6
+#define ISAC_IND_RSY		0x4
+#define ISAC_IND_ARD		0x8
+#define ISAC_IND_TI		0xA
+#define ISAC_IND_ATI		0xB
+#define ISAC_IND_AI8		0xC
+#define ISAC_IND_AI10		0xD
+#define ISAC_IND_DID		0xF
+
+/* the new ISACX / IPACX */
+/* D-channel registers   */
+#define ISACX_RFIFOD		0x00	/* RD	*/
+#define ISACX_XFIFOD		0x00	/* WR	*/
+#define ISACX_ISTAD		0x20	/* RD	*/
+#define ISACX_MASKD		0x20	/* WR	*/
+#define ISACX_STARD		0x21	/* RD	*/
+#define ISACX_CMDRD		0x21	/* WR	*/
+#define ISACX_MODED		0x22	/* R/W	*/
+#define ISACX_EXMD1		0x23	/* R/W	*/
+#define ISACX_TIMR1		0x24	/* R/W	*/
+#define ISACX_SAP1		0x25	/* WR	*/
+#define ISACX_SAP2		0x26	/* WR	*/
+#define ISACX_RBCLD		0x26	/* RD	*/
+#define ISACX_RBCHD		0x27	/* RD	*/
+#define ISACX_TEI1		0x27	/* WR	*/
+#define ISACX_TEI2		0x28	/* WR	*/
+#define ISACX_RSTAD		0x28	/* RD	*/
+#define ISACX_TMD		0x29	/* R/W	*/
+#define ISACX_CIR0		0x2E	/* RD	*/
+#define ISACX_CIX0		0x2E	/* WR	*/
+#define ISACX_CIR1		0x2F	/* RD	*/
+#define ISACX_CIX1		0x2F	/* WR	*/
+
+/* Transceiver registers  */
+#define ISACX_TR_CONF0		0x30	/* R/W	*/
+#define ISACX_TR_CONF1		0x31	/* R/W	*/
+#define ISACX_TR_CONF2		0x32	/* R/W	*/
+#define ISACX_TR_STA		0x33	/* RD	*/
+#define ISACX_TR_CMD		0x34	/* R/W	*/
+#define ISACX_SQRR1		0x35	/* RD	*/
+#define ISACX_SQXR1		0x35	/* WR	*/
+#define ISACX_SQRR2		0x36	/* RD	*/
+#define ISACX_SQXR2		0x36	/* WR	*/
+#define ISACX_SQRR3		0x37	/* RD	*/
+#define ISACX_SQXR3		0x37	/* WR	*/
+#define ISACX_ISTATR		0x38	/* RD	*/
+#define ISACX_MASKTR		0x39	/* R/W	*/
+#define ISACX_TR_MODE		0x3A	/* R/W	*/
+#define ISACX_ACFG1		0x3C	/* R/W	*/
+#define ISACX_ACFG2		0x3D	/* R/W	*/
+#define ISACX_AOE		0x3E	/* R/W	*/
+#define ISACX_ARX		0x3F	/* RD	*/
+#define ISACX_ATX		0x3F	/* WR	*/
+
+/* IOM: Timeslot, DPS, CDA  */
+#define ISACX_CDA10		0x40	/* R/W	*/
+#define ISACX_CDA11		0x41	/* R/W	*/
+#define ISACX_CDA20		0x42	/* R/W	*/
+#define ISACX_CDA21		0x43	/* R/W	*/
+#define ISACX_CDA_TSDP10	0x44	/* R/W	*/
+#define ISACX_CDA_TSDP11	0x45	/* R/W	*/
+#define ISACX_CDA_TSDP20	0x46	/* R/W	*/
+#define ISACX_CDA_TSDP21	0x47	/* R/W	*/
+#define ISACX_BCHA_TSDP_BC1	0x48	/* R/W	*/
+#define ISACX_BCHA_TSDP_BC2	0x49	/* R/W	*/
+#define ISACX_BCHB_TSDP_BC1	0x4A	/* R/W	*/
+#define ISACX_BCHB_TSDP_BC2	0x4B	/* R/W	*/
+#define ISACX_TR_TSDP_BC1	0x4C	/* R/W	*/
+#define ISACX_TR_TSDP_BC2	0x4D	/* R/W	*/
+#define ISACX_CDA1_CR		0x4E	/* R/W	*/
+#define ISACX_CDA2_CR		0x4F	/* R/W	*/
+
+/* IOM: Contol, Sync transfer, Monitor    */
+#define ISACX_TR_CR		0x50	/* R/W	*/
+#define ISACX_TRC_CR		0x50	/* R/W	*/
+#define ISACX_BCHA_CR		0x51	/* R/W	*/
+#define ISACX_BCHB_CR		0x52	/* R/W	*/
+#define ISACX_DCI_CR		0x53	/* R/W	*/
+#define ISACX_DCIC_CR		0x53	/* R/W	*/
+#define ISACX_MON_CR		0x54	/* R/W	*/
+#define ISACX_SDS1_CR		0x55	/* R/W	*/
+#define ISACX_SDS2_CR		0x56	/* R/W	*/
+#define ISACX_IOM_CR		0x57	/* R/W	*/
+#define ISACX_STI		0x58	/* RD	*/
+#define ISACX_ASTI		0x58	/* WR	*/
+#define ISACX_MSTI		0x59	/* R/W	*/
+#define ISACX_SDS_CONF		0x5A	/* R/W	*/
+#define ISACX_MCDA		0x5B	/* RD	*/
+#define ISACX_MOR		0x5C	/* RD	*/
+#define ISACX_MOX		0x5C	/* WR	*/
+#define ISACX_MOSR		0x5D	/* RD	*/
+#define ISACX_MOCR		0x5E	/* R/W	*/
+#define ISACX_MSTA		0x5F	/* RD	*/
+#define ISACX_MCONF		0x5F	/* WR	*/
+
+/* Interrupt and general registers */
+#define ISACX_ISTA		0x60	/* RD	*/
+#define ISACX_MASK		0x60	/* WR	*/
+#define ISACX_AUXI		0x61	/* RD	*/
+#define ISACX_AUXM		0x61	/* WR	*/
+#define ISACX_MODE1		0x62	/* R/W	*/
+#define ISACX_MODE2		0x63	/* R/W	*/
+#define ISACX_ID		0x64	/* RD	*/
+#define ISACX_SRES		0x64	/* WR	*/
+#define ISACX_TIMR2		0x65	/* R/W	*/
+
+/* Register Bits */
+/* ISACX/IPACX _ISTAD (R) and _MASKD (W) */
+#define ISACX_D_XDU		0x04
+#define ISACX_D_XMR		0x08
+#define ISACX_D_XPR		0x10
+#define ISACX_D_RFO		0x20
+#define ISACX_D_RPF		0x40
+#define ISACX_D_RME		0x80
+
+/* ISACX/IPACX _ISTA (R) and _MASK (W) */
+#define ISACX__ICD		0x01
+#define ISACX__MOS		0x02
+#define ISACX__TRAN		0x04
+#define ISACX__AUX		0x08
+#define ISACX__CIC		0x10
+#define ISACX__ST		0x20
+#define IPACX__ICB		0x40
+#define IPACX__ICA		0x80
+#define IPACX__ON		0x2C
+
+/* ISACX/IPACX _CMDRD (W) */
+#define ISACX_CMDRD_XRES	0x01
+#define ISACX_CMDRD_XME		0x02
+#define ISACX_CMDRD_XTF		0x08
+#define ISACX_CMDRD_STI		0x10
+#define ISACX_CMDRD_RRES	0x40
+#define ISACX_CMDRD_RMC		0x80
+
+/* ISACX/IPACX _RSTAD (R) */
+#define ISACX_RSTAD_TA		0x01
+#define ISACX_RSTAD_CR		0x02
+#define ISACX_RSTAD_SA0		0x04
+#define ISACX_RSTAD_SA1		0x08
+#define ISACX_RSTAD_RAB		0x10
+#define ISACX_RSTAD_CRC		0x20
+#define ISACX_RSTAD_RDO		0x40
+#define ISACX_RSTAD_VFR		0x80
+
+/* ISACX/IPACX _CIR0 (R) */
+#define ISACX_CIR0_BAS		0x01
+#define ISACX_CIR0_SG		0x08
+#define ISACX_CIR0_CIC1		0x08
+#define ISACX_CIR0_CIC0		0x08
+
+/* B-channel registers */
+#define IPACX_OFF_ICA		0x70
+#define IPACX_OFF_ICB		0x80
+
+/* ICA: IPACX_OFF_ICA + Reg ICB: IPACX_OFF_ICB + Reg */
+
+#define IPACX_ISTAB		0x00    /* RD	*/
+#define IPACX_MASKB		0x00	/* WR	*/
+#define IPACX_STARB		0x01	/* RD	*/
+#define IPACX_CMDRB		0x01	/* WR	*/
+#define IPACX_MODEB		0x02	/* R/W	*/
+#define IPACX_EXMB		0x03	/* R/W	*/
+#define IPACX_RAH1		0x05	/* WR	*/
+#define IPACX_RAH2		0x06	/* WR	*/
+#define IPACX_RBCLB		0x06	/* RD	*/
+#define IPACX_RBCHB		0x07	/* RD	*/
+#define IPACX_RAL1		0x07	/* WR	*/
+#define IPACX_RAL2		0x08	/* WR	*/
+#define IPACX_RSTAB		0x08	/* RD	*/
+#define IPACX_TMB		0x09	/* R/W	*/
+#define IPACX_RFIFOB		0x0A	/* RD	*/
+#define IPACX_XFIFOB		0x0A	/* WR	*/
+
+/* IPACX_ISTAB / IPACX_MASKB bits */
+#define IPACX_B_XDU		0x04
+#define IPACX_B_XPR		0x10
+#define IPACX_B_RFO		0x20
+#define IPACX_B_RPF		0x40
+#define IPACX_B_RME		0x80
+
+#define IPACX_B_ON		0x0B
+
+extern int mISDNisac_init(struct isac_hw *, void *);
+extern irqreturn_t mISDNisac_irq(struct isac_hw *, u8);
+extern u32 mISDNipac_init(struct ipac_hw *, void *);
+extern irqreturn_t mISDNipac_irq(struct ipac_hw *, int);