patch-2.2.19 linux/drivers/isdn/eicon/Divas_mod.c

• Lines: 152
• Date: Sun Mar 25 11:37:32 2001
• Orig file: v2.2.18/drivers/isdn/eicon/Divas_mod.c
• Orig date: Wed Dec 31 19:00:00 1969

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.18/drivers/isdn/eicon/Divas_mod.c linux/drivers/isdn/eicon/Divas_mod.c
@@ -0,0 +1,151 @@
+
+/*
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY 
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#undef N_DATA
+
+#include <linux/kernel.h>
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <errno.h>
+
+#include "adapter.h"
+#include "uxio.h"
+
+#include <linux/isdn_compat.h>
+
+#ifdef MODULE
+#include "idi.h"
+void DIVA_DIDD_Write(DESCRIPTOR *, int);
+EXPORT_SYMBOL_NOVERS(DIVA_DIDD_Read);
+EXPORT_SYMBOL_NOVERS(DIVA_DIDD_Write);
+EXPORT_SYMBOL_NOVERS(DivasPrintf);
+#endif
+
+int DivasCardsDiscover(void);
+
+static int __init
+divas_init(void)
+{
+	printk(KERN_DEBUG "DIVA Server Driver - initialising\n");
+	
+	printk(KERN_DEBUG "DIVA Server Driver - Version 2.0.16\n");
+
+
+#if !defined(CONFIG_PCI)
+	printk(KERN_WARNING "CONFIG_PCI is not defined!\n");
+	return -ENODEV;
+#endif
+
+	if (pci_present())
+	{
+		if (DivasCardsDiscover() < 0)
+		{
+			printk(KERN_WARNING "Divas: Not loaded\n");
+			return -ENODEV;
+		}
+	}
+	else
+	{
+		printk(KERN_WARNING "Divas: No PCI bus present\n");
+		return -ENODEV;
+	}
+
+    return 0;
+}
+
+static void 
+divas_exit(void)
+{
+	card_t *pCard;
+	word wCardIndex;
+	extern int Divas_major;
+
+	printk(KERN_DEBUG "DIVA Server Driver - unloading\n");
+
+	pCard = DivasCards;
+	for (wCardIndex = 0; wCardIndex < MAX_CARDS; wCardIndex++)
+	{
+		if ((pCard->hw) && (pCard->hw->in_use))
+		{
+
+			(*pCard->card_reset)(pCard);
+			
+			UxIsrRemove(pCard->hw, pCard);
+			UxCardHandleFree(pCard->hw);
+
+			if(pCard->e_tbl != NULL)
+			{
+				kfree(pCard->e_tbl);
+			}
+
+			
+			if(pCard->hw->card_type == DIA_CARD_TYPE_DIVA_SERVER_B)
+			{	
+				release_region(pCard->hw->io_base,0x20);		
+				release_region(pCard->hw->reset_base,0x80);		
+			}
+
+			// If this is a 4BRI ...
+			if (pCard->hw->card_type == DIA_CARD_TYPE_DIVA_SERVER_Q)
+			{
+				// Skip over the next 3 virtual adapters
+				wCardIndex += 3;
+
+				// But free their handles 
+				pCard++;
+				UxCardHandleFree(pCard->hw);
+			
+				if(pCard->e_tbl != NULL)
+				{
+					kfree(pCard->e_tbl);
+				}
+				
+				pCard++;
+				UxCardHandleFree(pCard->hw);
+				
+				if(pCard->e_tbl != NULL)
+				{
+					kfree(pCard->e_tbl);
+				}
+				
+				pCard++;
+				UxCardHandleFree(pCard->hw);
+				
+				if(pCard->e_tbl != NULL)
+				{
+					kfree(pCard->e_tbl);
+				}
+			}
+		}
+		pCard++;
+	}
+
+	unregister_chrdev(Divas_major, "Divas");
+}
+
+module_init(divas_init);
+module_exit(divas_exit);
+