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/*

 * Copyright (C) 1996 Universidade de Lisboa

 *

 * Written by Pedro Roque Marques (roque@di.fc.ul.pt)

 *

 * This software may be used and distributed according to the terms of

 * the GNU Public License, incorporated herein by reference.

 */

/*

 *        PCBIT-D module support

 */

#include <linux/module.h>

#include <linux/sched.h>

#include <linux/string.h>

#include <linux/kernel.h>

#include <linux/tqueue.h>

#include <linux/skbuff.h>

#include <linux/isdnif.h>

#include "pcbit.h"

static int mem[MAX_PCBIT_CARDS] = {0, };

static int irq[MAX_PCBIT_CARDS] = {0, };

int num_boards;

struct pcbit_dev * dev_pcbit[MAX_PCBIT_CARDS] = {0, 0, 0, 0};

int init_module(void);

void cleanup_module(void);

extern void pcbit_terminate(int board);

extern int pcbit_init_dev(int board, int mem_base, int irq);

#ifdef MODULE

#if (LINUX_VERSION_CODE > 0x020111)

MODULE_PARM(mem, "1-" __MODULE_STRING(MAX_PCBIT_CARDS) "i");

MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_PCBIT_CARDS) "i");

#endif

#define pcbit_init init_module

#endif

int pcbit_init(void)

{

        int board;

        num_boards = 0;

        printk(KERN_INFO

               "PCBIT-D device driver v 0.5 - "

               "Copyright (C) 1996 Universidade de Lisboa\n");

        if (mem[0] || irq[0])

        {

                for (board=0; board < MAX_PCBIT_CARDS && mem[board] && irq[board]; board++)

                {

                        if (!mem[board])

                                mem[board] = 0xD0000;

                        if (!irq[board])

                                irq[board] = 5;

                        if (pcbit_init_dev(board, mem[board], irq[board]) == 0)

                                num_boards++;

                        else

                        {

                                printk(KERN_WARNING

                                       "pcbit_init failed for dev %d",

                                       board + 1);

                                return -EIO;

                        }

                }

        }

        /* Hardcoded default settings detection */

        if (!num_boards)

        {

                printk(KERN_INFO

                       "Trying to detect board using default settings\n");

                if (pcbit_init_dev(0, 0xD0000, 5) == 0)

                        num_boards++;

                else

                        return -EIO;

        }

        /* No symbols to export, hide all symbols */

#if (LINUX_VERSION_CODE < 0x020111)

        register_symtab(NULL);

#else

        EXPORT_NO_SYMBOLS;

#endif

        return 0;

}

#ifdef MODULE

void cleanup_module(void)

{

        int board;

        for (board = 0; board < num_boards; board++)

                pcbit_terminate(board);

        printk(KERN_INFO

               "PCBIT-D module unloaded\n");

}

#else

void pcbit_setup(char *str, int *ints)

{

        int i, j, argc;

        argc = ints[0];

        i = 0;

        j = 1;

        while (argc && (i<MAX_PCBIT_CARDS)) {

                if (argc) {

                        mem[i]  = ints[j];

                        j++; argc--;

                }

                if (argc) {

                        irq[i]  = ints[j];

                        j++; argc--;

                }

                i++;

        }

}

#endif