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

@@ -0,0 +1,109 @@
+/*
+ * 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