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/* $Id: b1lli.h,v 1.8.8.3 2001/09/23 22:25:05 kai Exp $
 *
 * ISDN lowlevel-module for AVM B1-card.
 *
 * Copyright 1996 by Carsten Paeth (calle@calle.in-berlin.de)
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#ifndef _B1LLI_H_
#define _B1LLI_H_
/*
 * struct for loading t4 file 
 */
typedef struct avmb1_t4file {
	int len;
	unsigned char *data;
} avmb1_t4file;

typedef struct avmb1_loaddef {
	int contr;
	avmb1_t4file t4file;
} avmb1_loaddef;

typedef struct avmb1_loadandconfigdef {
	int contr;
	avmb1_t4file t4file;
        avmb1_t4file t4config; 
} avmb1_loadandconfigdef;

typedef struct avmb1_resetdef {
	int contr;
} avmb1_resetdef;

typedef struct avmb1_getdef {
	int contr;
	int cardtype;
	int cardstate;
} avmb1_getdef;

/*
 * struct for adding new cards 
 */
typedef struct avmb1_carddef {
	int port;
	int irq;
} avmb1_carddef;

#define AVM_CARDTYPE_B1		0
#define AVM_CARDTYPE_T1		1
#define AVM_CARDTYPE_M1		2
#define AVM_CARDTYPE_M2		3

typedef struct avmb1_extcarddef {
	int port;
	int irq;
        int cardtype;
        int cardnr;  /* for HEMA/T1 */
} avmb1_extcarddef;

#define	AVMB1_LOAD		0	/* load image to card */
#define AVMB1_ADDCARD		1	/* add a new card - OBSOLETE */
#define AVMB1_RESETCARD		2	/* reset a card */
#define	AVMB1_LOAD_AND_CONFIG	3	/* load image and config to card */
#define	AVMB1_ADDCARD_WITH_TYPE	4	/* add a new card, with cardtype */
#define AVMB1_GET_CARDINFO	5	/* get cardtype */
#define AVMB1_REMOVECARD	6	/* remove a card - OBSOLETE */

#define	AVMB1_REGISTERCARD_IS_OBSOLETE

#endif				/* _B1LLI_H_ */
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/*
 * Procedures for maintaining information about logical memory blocks.
 *
 * Peter Bergner, IBM Corp.	June 2001.
 * Copyright (C) 2001 Peter Bergner.
 *
 *      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 of the License, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/memblock.h>

#define MEMBLOCK_ALLOC_ANYWHERE	0

struct memblock memblock;

static int memblock_debug;

static int __init early_memblock(char *p)
{
	if (p && strstr(p, "debug"))
		memblock_debug = 1;
	return 0;
}
early_param("memblock", early_memblock);

static void memblock_dump(struct memblock_region *region, char *name)
{
	unsigned long long base, size;
	int i;

	pr_info(" %s.cnt  = 0x%lx\n", name, region->cnt);

	for (i = 0; i < region->cnt; i++) {
		base = region->region[i].base;
		size = region->region[i].size;

		pr_info(" %s[0x%x]\t0x%016llx - 0x%016llx, 0x%llx bytes\n",
		    name, i, base, base + size - 1, size);
	}
}

void memblock_dump_all(void)
{
	if (!memblock_debug)
		return;

	pr_info("MEMBLOCK configuration:\n");
	pr_info(" rmo_size    = 0x%llx\n", (unsigned long long)memblock.rmo_size);
	pr_info(" memory.size = 0x%llx\n", (unsigned long long)memblock.memory.size);

	memblock_dump(&memblock.memory, "memory");
	memblock_dump(&memblock.reserved, "reserved");
}

static unsigned long memblock_addrs_overlap(u64 base1, u64 size1, u64 base2,
					u64 size2)
{
	return ((base1 < (base2 + size2)) && (base2 < (base1 + size1)));
}

static long memblock_addrs_adjacent(u64 base1, u64 size1, u64 base2, u64 size2)
{
	if (base2 == base1 + size1)
		return 1;
	else if (base1 == base2 + size2)
		return -1;

	return 0;
}

static long memblock_regions_adjacent(struct memblock_region *rgn,
		unsigned long r1, unsigned long r2)
{
	u64 base1 = rgn->region[r1].base;
	u64 size1 = rgn->region[r1].size;
	u64 base2 = rgn->region[r2].base;
	u64 size2 = rgn->region[r2].size;

	return memblock_addrs_adjacent(base1, size1, base2, size2);
}

static void memblock_remove_region(struct memblock_region *rgn, unsigned long r)
{
	unsigned long i;

	for (i = r; i < rgn->cnt - 1; i++) {
		rgn->region[i].base = rgn->region[i + 1].base;
		rgn->region[i].size = rgn->region[i + 1].size;
	}
	rgn->cnt--;
}

/* Assumption: base addr of region 1 < base addr of region 2 */
static void memblock_coalesce_regions(struct memblock_region *rgn,
		unsigned long r1, unsigned long r2)
{
	rgn->region[r1].size += rgn->region[r2].size;
	memblock_remove_region(rgn, r2);
}

void __init memblock_init(void)
{
	/* Create a dummy zero size MEMBLOCK which will get coalesced away later.
	 * This simplifies the memblock_add() code below...
	 */
	memblock.memory.region[0].base = 0;
	memblock.memory.region[0].size = 0;
	memblock.memory.cnt = 1;

	/* Ditto. */
	memblock.reserved.region[0].base = 0;
	memblock.reserved.region[0].size = 0;
	memblock.reserved.cnt = 1;
}

void __init memblock_analyze(void)
{
	int i;

	memblock.memory.size = 0;

	for (i = 0; i < memblock.memory.cnt; i++)
		memblock.memory.size += memblock.memory.region[i].size;
}

static long memblock_add_region(struct memblock_region *rgn, u64 base, u64 size)
{
	unsigned long coalesced = 0;
	long adjacent, i;

	if ((rgn->cnt == 1) && (rgn->region[0].size == 0)) {
		rgn->region[0].base = base;
		rgn->region[0].size = size;
		return 0;
	}

	/* First try and coalesce this MEMBLOCK with another. */
	for (i = 0; i < rgn->cnt; i++) {
		u64 rgnbase = rgn->region[i].base;
		u64 rgnsize = rgn->region[i].size;

		if ((rgnbase == base) && (rgnsize == size))
			/* Already have this region, so we're done */
			return 0;

		adjacent = memblock_addrs_adjacent(base, size, rgnbase, rgnsize);
		if (adjacent > 0) {
			rgn->region[i].base -= size;
			rgn->region[i].size += size;
			coalesced++;
			break;
		} else if (adjacent < 0) {
			rgn->region[i].size += size;
			coalesced++;
			break;
		}
	}

	if ((i < rgn->cnt - 1) && memblock_regions_adjacent(rgn, i, i+1)) {
		memblock_coalesce_regions(rgn, i, i+1);
		coalesced++;
	}

	if (coalesced)
		return coalesced;
	if (rgn->cnt >= MAX_MEMBLOCK_REGIONS)
		return -1;

	/* Couldn't coalesce the MEMBLOCK, so add it to the sorted table. */
	for (i = rgn->cnt - 1; i >= 0; i--) {