127 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * PCBIT-D module support
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 *
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 * Copyright (C) 1996 Universidade de Lisboa
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 * 
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 * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
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 *
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 * This software may be used and distributed according to the terms of 
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 * the GNU General Public License, incorporated herein by reference.
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 */
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/skbuff.h>
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#include <linux/isdnif.h>
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#include "pcbit.h"
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MODULE_DESCRIPTION("ISDN4Linux: Driver for PCBIT-T card");
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MODULE_AUTHOR("Pedro Roque Marques");
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MODULE_LICENSE("GPL");
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static int mem[MAX_PCBIT_CARDS];
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static int irq[MAX_PCBIT_CARDS];
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module_param_array(mem, int, NULL, 0);
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module_param_array(irq, int, NULL, 0);
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static int num_boards;
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struct pcbit_dev * dev_pcbit[MAX_PCBIT_CARDS];
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static int __init pcbit_init(void)
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{
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	int board;
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	num_boards = 0;
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	printk(KERN_NOTICE 
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	       "PCBIT-D device driver v 0.5-fjpc0 19991204 - "
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	       "Copyright (C) 1996 Universidade de Lisboa\n");
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	if (mem[0] || irq[0]) 
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	{
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		for (board=0; board < MAX_PCBIT_CARDS && mem[board] && irq[board]; board++)
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		{
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			if (!mem[board])
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				mem[board] = 0xD0000;
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			if (!irq[board])
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				irq[board] = 5;
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			if (pcbit_init_dev(board, mem[board], irq[board]) == 0)
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				num_boards++;
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			else 
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			{
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				printk(KERN_WARNING 
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				       "pcbit_init failed for dev %d", 
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				       board + 1);
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				return -EIO;
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			}
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		}
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	}
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	/* Hardcoded default settings detection */
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	if (!num_boards)
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	{
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		printk(KERN_INFO 
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		       "Trying to detect board using default settings\n");
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		if (pcbit_init_dev(0, 0xD0000, 5) == 0)
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			num_boards++;
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		else
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			return -EIO;
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	}
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	return 0;
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}
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static void __exit pcbit_exit(void)
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{
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#ifdef MODULE
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	int board;
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	for (board = 0; board < num_boards; board++)
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		pcbit_terminate(board);
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	printk(KERN_NOTICE 
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	       "PCBIT-D module unloaded\n");
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#endif
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}
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#ifndef MODULE
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#define MAX_PARA	(MAX_PCBIT_CARDS * 2)
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static int __init pcbit_setup(char *line)
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{
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	int i, j, argc;
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	char *str;
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	int ints[MAX_PARA+1];
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	str = get_options(line, MAX_PARA, ints);
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	argc = ints[0];
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	i = 0;
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	j = 1;
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	while (argc && (i<MAX_PCBIT_CARDS)) {
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		if (argc) {
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			mem[i]	= ints[j];
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			j++; argc--;
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		}
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		if (argc) {
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			irq[i]	= ints[j];
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			j++; argc--;
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		}
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		i++;
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	}
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	return(1);
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}
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__setup("pcbit=", pcbit_setup);
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#endif
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module_init(pcbit_init);
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module_exit(pcbit_exit);
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