patch-2.1.42 linux/drivers/isdn/avmb1/b1pci.c

• Lines: 122
• Date: Wed May 28 10:49:09 1997
• Orig file: v2.1.41/linux/drivers/isdn/avmb1/b1pci.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.41/linux/drivers/isdn/avmb1/b1pci.c linux/drivers/isdn/avmb1/b1pci.c
@@ -0,0 +1,121 @@
+/*
+ * $Id: b1pci.c,v 1.2 1997/05/18 09:24:13 calle Exp $
+ * 
+ * Module for AVM B1 PCI-card.
+ * 
+ * (c) Copyright 1997 by Carsten Paeth (calle@calle.in-berlin.de)
+ * 
+ * $Log: b1pci.c,v $
+ * Revision 1.2  1997/05/18 09:24:13  calle
+ * added verbose disconnect reason reporting to avmb1.
+ * some fixes in capi20 interface.
+ * changed info messages for B1-PCI
+ *
+ * Revision 1.1  1997/03/30 17:10:42  calle
+ * added support for AVM-B1-PCI card.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/bios32.h>
+#include <linux/pci.h>
+#include <linux/skbuff.h>
+#include "compat.h"
+#include <linux/capi.h>
+#include <linux/b1lli.h>
+
+#ifndef PCI_VENDOR_ID_AVM
+#define PCI_VENDOR_ID_AVM	0x1244
+#endif
+
+#ifndef PCI_DEVICE_ID_AVM_B1
+#define PCI_DEVICE_ID_AVM_B1	0x700
+#endif
+
+static char *revision = "$Revision: 1.2 $";
+
+/* ------------------------------------------------------------- */
+
+#ifdef HAS_NEW_SYMTAB
+MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
+#endif
+
+/* ------------------------------------------------------------- */
+
+/* ------------------------------------------------------------- */
+/* -------- Init & Cleanup ------------------------------------- */
+/* ------------------------------------------------------------- */
+
+/*
+ * init / exit functions
+ */
+
+#ifdef MODULE
+#define b1pci_init init_module
+#endif
+
+int b1pci_init(void)
+{
+	char *p;
+	char rev[10];
+	int rc;
+	int pci_index;
+
+	if ((p = strchr(revision, ':'))) {
+		strcpy(rev, p + 1);
+		p = strchr(rev, '$');
+		*p = 0;
+	} else
+		strcpy(rev, " ??? ");
+
+
+#ifdef CONFIG_PCI
+	if (!pcibios_present()) {
+		printk(KERN_ERR "b1pci: no PCI-BIOS present\n");
+		return -EIO;
+	}
+
+	printk(KERN_INFO "b1pci: revision %s\n", rev);
+
+	for (pci_index = 0; pci_index < 8; pci_index++) {
+		unsigned char pci_bus, pci_device_fn;
+		unsigned int ioaddr;
+		unsigned char irq;
+
+		if (pcibios_find_device (PCI_VENDOR_ID_AVM,
+					PCI_DEVICE_ID_AVM_B1, pci_index,
+					&pci_bus, &pci_device_fn) != 0) {
+			continue;
+		}
+		pcibios_read_config_byte(pci_bus, pci_device_fn,
+				PCI_INTERRUPT_LINE, &irq);
+		pcibios_read_config_dword(pci_bus, pci_device_fn,
+				PCI_BASE_ADDRESS_1, &ioaddr);
+		/* Strip the I/O address out of the returned value */
+		ioaddr &= PCI_BASE_ADDRESS_IO_MASK;
+		printk(KERN_INFO
+			"b1pci: PCI BIOS reports AVM-B1 at i/o %#x, irq %d\n",
+			ioaddr, irq);
+		if ((rc = avmb1_probecard(ioaddr, irq)) != 0) {
+		        printk(KERN_ERR
+			"b1pci: no AVM-B1 at i/o %#x, irq %d detected\n",
+			ioaddr, irq);
+			return rc;
+		}
+		if ((rc = avmb1_addcard(ioaddr, irq)) != 0)
+			return rc;
+	}
+	return 0;
+#else
+	printk(KERN_ERR "b1pci: kernel not compiled with PCI.\n");
+	return -EIO;
+#endif
+}
+
+#ifdef MODULE
+void cleanup_module(void)
+{
+}
+#endif