[mirror_ubuntu-bionic-kernel.git] / sound / isa / gus / gus_mem.c

/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  GUS's memory allocation routines / bottom layer
 *
 *
 *   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.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/slab.h>
#include <linux/string.h>
#include <sound/core.h>
#include <sound/gus.h>
#include <sound/info.h>

#ifdef CONFIG_SND_DEBUG
static void snd_gf1_mem_info_read(struct snd_info_entry *entry, 
				  struct snd_info_buffer *buffer);
#endif

void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup)
{
	if (!xup) {
		mutex_lock(&alloc->memory_mutex);
	} else {
		mutex_unlock(&alloc->memory_mutex);
	}
}

static struct snd_gf1_mem_block *snd_gf1_mem_xalloc(struct snd_gf1_mem * alloc,
					       struct snd_gf1_mem_block * block)
{
	struct snd_gf1_mem_block *pblock, *nblock;

	nblock = kmalloc(sizeof(struct snd_gf1_mem_block), GFP_KERNEL);
	if (nblock == NULL)
		return NULL;
	*nblock = *block;
	pblock = alloc->first;
	while (pblock) {
		if (pblock->ptr > nblock->ptr) {
			nblock->prev = pblock->prev;
			nblock->next = pblock;
			pblock->prev = nblock;
			if (pblock == alloc->first)
				alloc->first = nblock;
			else
				nblock->prev->next = nblock;
			mutex_unlock(&alloc->memory_mutex);
			return NULL;
		}
		pblock = pblock->next;
	}
	nblock->next = NULL;
	if (alloc->last == NULL) {
		nblock->prev = NULL;
		alloc->first = alloc->last = nblock;
	} else {
		nblock->prev = alloc->last;
		alloc->last->next = nblock;
		alloc->last = nblock;
	}
	return nblock;
}

int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block)
{
	if (block->share) {	/* ok.. shared block */
		block->share--;
		mutex_unlock(&alloc->memory_mutex);
		return 0;
	}
	if (alloc->first == block) {
		alloc->first = block->next;
		if (block->next)
			block->next->prev = NULL;
	} else {
		block->prev->next = block->next;
		if (block->next)
			block->next->prev = block->prev;
	}
	if (alloc->last == block) {
		alloc->last = block->prev;
		if (block->prev)
			block->prev->next = NULL;
	} else {
		block->next->prev = block->prev;
		if (block->prev)
			block->prev->next = block->next;
	}
	kfree(block->name);
	kfree(block);
	return 0;
}

static struct snd_gf1_mem_block *snd_gf1_mem_look(struct snd_gf1_mem * alloc,
					     unsigned int address)
{
	struct snd_gf1_mem_block *block;

	for (block = alloc->first; block; block = block->next) {
		if (block->ptr == address) {
			return block;
		}
	}
	return NULL;
}

static struct snd_gf1_mem_block *snd_gf1_mem_share(struct snd_gf1_mem * alloc,
					      unsigned int *share_id)
{
	struct snd_gf1_mem_block *block;

	if (!share_id[0] && !share_id[1] &&
	    !share_id[2] && !share_id[3])
		return NULL;
	for (block = alloc->first; block; block = block->next)
		if (!memcmp(share_id, block->share_id,
				sizeof(block->share_id)))
			return block;
	return NULL;
}

static int snd_gf1_mem_find(struct snd_gf1_mem * alloc,
			    struct snd_gf1_mem_block * block,
			    unsigned int size, int w_16, int align)
{
	struct snd_gf1_bank_info *info = w_16 ? alloc->banks_16 : alloc->banks_8;
	unsigned int idx, boundary;
	int size1;
	struct snd_gf1_mem_block *pblock;
	unsigned int ptr1, ptr2;

	if (w_16 && align < 2)
		align = 2;
	block->flags = w_16 ? SNDRV_GF1_MEM_BLOCK_16BIT : 0;
	block->owner = SNDRV_GF1_MEM_OWNER_DRIVER;
	block->share = 0;
	block->share_id[0] = block->share_id[1] =
	block->share_id[2] = block->share_id[3] = 0;
	block->name = NULL;
	block->prev = block->next = NULL;
	for (pblock = alloc->first, idx = 0; pblock; pblock = pblock->next) {
		while (pblock->ptr >= (boundary = info[idx].address + info[idx].size))
			idx++;
		while (pblock->ptr + pblock->size >= (boundary = info[idx].address + info[idx].size))
			idx++;
		ptr2 = boundary;
		if (pblock->next) {
			if (pblock->ptr + pblock->size == pblock->next->ptr)
				continue;
			if (pblock->next->ptr < boundary)
				ptr2 = pblock->next->ptr;
		}
		ptr1 = ALIGN(pblock->ptr + pblock->size, align);
		if (ptr1 >= ptr2)
			continue;
		size1 = ptr2 - ptr1;
		if ((int)size <= size1) {
			block->ptr = ptr1;
			block->size = size;
			return 0;
		}
	}
	while (++idx < 4) {
		if (size <= info[idx].size) {
			/* I assume that bank address is already aligned.. */
			block->ptr = info[idx].address;
			block->size = size;
			return 0;
		}
	}
	return -ENOMEM;
}

struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
				       char *name, int size, int w_16, int align,
				       unsigned int *share_id)
{
	struct snd_gf1_mem_block block, *nblock;

	snd_gf1_mem_lock(alloc, 0);
	if (share_id != NULL) {
		nblock = snd_gf1_mem_share(alloc, share_id);
		if (nblock != NULL) {
			if (size != (int)nblock->size) {
				/* TODO: remove in the future */
				snd_printk(KERN_ERR "snd_gf1_mem_alloc - share: sizes differ\n");
				goto __std;
			}
			nblock->share++;
			snd_gf1_mem_lock(alloc, 1);
			return NULL;
		}
	}
      __std:
	if (snd_gf1_mem_find(alloc, &block, size, w_16, align) < 0) {
		snd_gf1_mem_lock(alloc, 1);
		return NULL;
	}
	if (share_id != NULL)
		memcpy(&block.share_id, share_id, sizeof(block.share_id));
	block.owner = owner;
	block.name = kstrdup(name, GFP_KERNEL);
	nblock = snd_gf1_mem_xalloc(alloc, &block);
	snd_gf1_mem_lock(alloc, 1);
	return nblock;
}

int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address)
{
	int result;
	struct snd_gf1_mem_block *block;

	snd_gf1_mem_lock(alloc, 0);
	if ((block = snd_gf1_mem_look(alloc, address)) != NULL) {
		result = snd_gf1_mem_xfree(alloc, block);
		snd_gf1_mem_lock(alloc, 1);
		return result;
	}
	snd_gf1_mem_lock(alloc, 1);
	return -EINVAL;
}

int snd_gf1_mem_init(struct snd_gus_card * gus)
{
	struct snd_gf1_mem *alloc;
	struct snd_gf1_mem_block block;
#ifdef CONFIG_SND_DEBUG
	struct snd_info_entry *entry;
#endif

	alloc = &gus->gf1.mem_alloc;
	mutex_init(&alloc->memory_mutex);
	alloc->first = alloc->last = NULL;
	if (!gus->gf1.memory)
		return 0;

	memset(&block, 0, sizeof(block));
	block.owner = SNDRV_GF1_MEM_OWNER_DRIVER;
	if (gus->gf1.enh_mode) {
		block.ptr = 0;
		block.size = 1024;
		block.name = kstrdup("InterWave LFOs", GFP_KERNEL);
		if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
			return -ENOMEM;
	}
	block.ptr = gus->gf1.default_voice_address;
	block.size = 4;
	block.name = kstrdup("Voice default (NULL's)", GFP_KERNEL);
	if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
		return -ENOMEM;
#ifdef CONFIG_SND_DEBUG
	if (! snd_card_proc_new(gus->card, "gusmem", &entry))
		snd_info_set_text_ops(entry, gus, snd_gf1_mem_info_read);
#endif
	return 0;
}

int snd_gf1_mem_done(struct snd_gus_card * gus)
{
	struct snd_gf1_mem *alloc;
	struct snd_gf1_mem_block *block, *nblock;

	alloc = &gus->gf1.mem_alloc;
	block = alloc->first;
	while (block) {
		nblock = block->next;
		snd_gf1_mem_xfree(alloc, block);
		block = nblock;
	}
	return 0;
}

#ifdef CONFIG_SND_DEBUG
static void snd_gf1_mem_info_read(struct snd_info_entry *entry, 
				  struct snd_info_buffer *buffer)
{
	struct snd_gus_card *gus;
	struct snd_gf1_mem *alloc;
	struct snd_gf1_mem_block *block;
	unsigned int total, used;
	int i;

	gus = entry->private_data;
	alloc = &gus->gf1.mem_alloc;
	mutex_lock(&alloc->memory_mutex);
	snd_iprintf(buffer, "8-bit banks       : \n    ");
	for (i = 0; i < 4; i++)
		snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_8[i].address, alloc->banks_8[i].size >> 10, i + 1 < 4 ? "," : "");
	snd_iprintf(buffer, "\n"
		    "16-bit banks      : \n    ");
	for (i = total = 0; i < 4; i++) {
		snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_16[i].address, alloc->banks_16[i].size >> 10, i + 1 < 4 ? "," : "");
		total += alloc->banks_16[i].size;
	}
	snd_iprintf(buffer, "\n");
	used = 0;
	for (block = alloc->first, i = 0; block; block = block->next, i++) {
		used += block->size;
		snd_iprintf(buffer, "Block %i at 0x%lx onboard 0x%x size %i (0x%x):\n", i, (long) block, block->ptr, block->size, block->size);
		if (block->share ||
		    block->share_id[0] || block->share_id[1] ||
		    block->share_id[2] || block->share_id[3])
			snd_iprintf(buffer, "  Share           : %i [id0 0x%x] [id1 0x%x] [id2 0x%x] [id3 0x%x]\n",
				block->share,
				block->share_id[0], block->share_id[1],
				block->share_id[2], block->share_id[3]);
		snd_iprintf(buffer, "  Flags           :%s\n",
		block->flags & SNDRV_GF1_MEM_BLOCK_16BIT ? " 16-bit" : "");
		snd_iprintf(buffer, "  Owner           : ");
		switch (block->owner) {
		case SNDRV_GF1_MEM_OWNER_DRIVER:
			snd_iprintf(buffer, "driver - %s\n", block->name);
			break;
		case SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE:
			snd_iprintf(buffer, "SIMPLE wave\n");
			break;
		case SNDRV_GF1_MEM_OWNER_WAVE_GF1:
			snd_iprintf(buffer, "GF1 wave\n");
			break;
		case SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF:
			snd_iprintf(buffer, "IWFFFF wave\n");
			break;
		default:
			snd_iprintf(buffer, "unknown\n");
		}
	}
	snd_iprintf(buffer, "  Total: memory = %i, used = %i, free = %i\n",
		    total, used, total - used);
	mutex_unlock(&alloc->memory_mutex);
#if 0
	ultra_iprintf(buffer, "  Verify: free = %i, max 8-bit block = %i, max 16-bit block = %i\n",
		      ultra_memory_free_size(card, &card->gf1.mem_alloc),
		  ultra_memory_free_block(card, &card->gf1.mem_alloc, 0),
		 ultra_memory_free_block(card, &card->gf1.mem_alloc, 1));
#endif
}
#endif
Commit	Line	Data
1da177e4	1	/*
c1017a4c	2	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	3	* GUS's memory allocation routines / bottom layer
	4	*
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21
1da177e4	22	#include <linux/slab.h>
543537bd	23	#include <linux/string.h>
1da177e4 LT	24	#include <sound/core.h>
	25	#include <sound/gus.h>
	26	#include <sound/info.h>
	27
	28	#ifdef CONFIG_SND_DEBUG
5e2da206 TI	29	static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
5e2da206 TI	30	struct snd_info_buffer *buffer);
1da177e4 LT	31	#endif
1da177e4 LT	32
5e2da206	33	void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup)
1da177e4 LT	34	{
1da177e4 LT	35	if (!xup) {
8b7547f9	36	mutex_lock(&alloc->memory_mutex);
1da177e4	37	} else {
8b7547f9	38	mutex_unlock(&alloc->memory_mutex);
1da177e4 LT	39	}
	40	}
	41
5e2da206 TI	42	static struct snd_gf1_mem_block snd_gf1_mem_xalloc(struct snd_gf1_mem alloc,
5e2da206 TI	43	struct snd_gf1_mem_block * block)
1da177e4	44	{
5e2da206	45	struct snd_gf1_mem_block pblock, nblock;
1da177e4	46
5e2da206	47	nblock = kmalloc(sizeof(struct snd_gf1_mem_block), GFP_KERNEL);
1da177e4 LT	48	if (nblock == NULL)
	49	return NULL;
	50	nblock = block;
	51	pblock = alloc->first;
	52	while (pblock) {
	53	if (pblock->ptr > nblock->ptr) {
	54	nblock->prev = pblock->prev;
	55	nblock->next = pblock;
	56	pblock->prev = nblock;
	57	if (pblock == alloc->first)
	58	alloc->first = nblock;
	59	else
	60	nblock->prev->next = nblock;
8b7547f9	61	mutex_unlock(&alloc->memory_mutex);
1da177e4 LT	62	return NULL;
	63	}
	64	pblock = pblock->next;
	65	}
	66	nblock->next = NULL;
	67	if (alloc->last == NULL) {
	68	nblock->prev = NULL;
	69	alloc->first = alloc->last = nblock;
	70	} else {
	71	nblock->prev = alloc->last;
	72	alloc->last->next = nblock;
	73	alloc->last = nblock;
	74	}
	75	return nblock;
	76	}
	77
5e2da206	78	int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block)
1da177e4 LT	79	{
	80	if (block->share) { /* ok.. shared block */
	81	block->share--;
8b7547f9	82	mutex_unlock(&alloc->memory_mutex);
1da177e4 LT	83	return 0;
	84	}
	85	if (alloc->first == block) {
	86	alloc->first = block->next;
	87	if (block->next)
	88	block->next->prev = NULL;
	89	} else {
	90	block->prev->next = block->next;
	91	if (block->next)
	92	block->next->prev = block->prev;
	93	}
	94	if (alloc->last == block) {
	95	alloc->last = block->prev;
	96	if (block->prev)
	97	block->prev->next = NULL;
	98	} else {
	99	block->next->prev = block->prev;
	100	if (block->prev)
	101	block->prev->next = block->next;
	102	}
	103	kfree(block->name);
	104	kfree(block);
	105	return 0;
	106	}
	107
5e2da206	108	static struct snd_gf1_mem_block snd_gf1_mem_look(struct snd_gf1_mem alloc,
209ac85d	109	unsigned int address)
1da177e4	110	{
5e2da206	111	struct snd_gf1_mem_block *block;
1da177e4 LT	112
	113	for (block = alloc->first; block; block = block->next) {
	114	if (block->ptr == address) {
	115	return block;
	116	}
	117	}
	118	return NULL;
	119	}
	120
5e2da206	121	static struct snd_gf1_mem_block snd_gf1_mem_share(struct snd_gf1_mem alloc,
209ac85d	122	unsigned int *share_id)
1da177e4	123	{
5e2da206	124	struct snd_gf1_mem_block *block;
1da177e4 LT	125
	126	if (!share_id[0] && !share_id[1] &&
	127	!share_id[2] && !share_id[3])
	128	return NULL;
	129	for (block = alloc->first; block; block = block->next)
0d64b568 JL	130	if (!memcmp(share_id, block->share_id,
0d64b568 JL	131	sizeof(block->share_id)))
1da177e4 LT	132	return block;
	133	return NULL;
	134	}
	135
5e2da206 TI	136	static int snd_gf1_mem_find(struct snd_gf1_mem * alloc,
5e2da206 TI	137	struct snd_gf1_mem_block * block,
1da177e4 LT	138	unsigned int size, int w_16, int align)
1da177e4 LT	139	{
5e2da206	140	struct snd_gf1_bank_info *info = w_16 ? alloc->banks_16 : alloc->banks_8;
1da177e4 LT	141	unsigned int idx, boundary;
1da177e4 LT	142	int size1;
5e2da206	143	struct snd_gf1_mem_block *pblock;
1da177e4 LT	144	unsigned int ptr1, ptr2;
1da177e4 LT	145
7ab39926 CL	146	if (w_16 && align < 2)
7ab39926 CL	147	align = 2;
1da177e4 LT	148	block->flags = w_16 ? SNDRV_GF1_MEM_BLOCK_16BIT : 0;
	149	block->owner = SNDRV_GF1_MEM_OWNER_DRIVER;
	150	block->share = 0;
	151	block->share_id[0] = block->share_id[1] =
	152	block->share_id[2] = block->share_id[3] = 0;
	153	block->name = NULL;
	154	block->prev = block->next = NULL;
	155	for (pblock = alloc->first, idx = 0; pblock; pblock = pblock->next) {
	156	while (pblock->ptr >= (boundary = info[idx].address + info[idx].size))
	157	idx++;
	158	while (pblock->ptr + pblock->size >= (boundary = info[idx].address + info[idx].size))
	159	idx++;
	160	ptr2 = boundary;
	161	if (pblock->next) {
	162	if (pblock->ptr + pblock->size == pblock->next->ptr)
	163	continue;
	164	if (pblock->next->ptr < boundary)
	165	ptr2 = pblock->next->ptr;
	166	}
7ab39926	167	ptr1 = ALIGN(pblock->ptr + pblock->size, align);
1da177e4 LT	168	if (ptr1 >= ptr2)
	169	continue;
	170	size1 = ptr2 - ptr1;
	171	if ((int)size <= size1) {
	172	block->ptr = ptr1;
	173	block->size = size;
	174	return 0;
	175	}
	176	}
	177	while (++idx < 4) {
	178	if (size <= info[idx].size) {
	179	/* I assume that bank address is already aligned.. */
	180	block->ptr = info[idx].address;
	181	block->size = size;
	182	return 0;
	183	}
	184	}
	185	return -ENOMEM;
	186	}
	187
5e2da206	188	struct snd_gf1_mem_block snd_gf1_mem_alloc(struct snd_gf1_mem alloc, int owner,
1da177e4 LT	189	char *name, int size, int w_16, int align,
	190	unsigned int *share_id)
	191	{
5e2da206	192	struct snd_gf1_mem_block block, *nblock;
1da177e4 LT	193
	194	snd_gf1_mem_lock(alloc, 0);
	195	if (share_id != NULL) {
	196	nblock = snd_gf1_mem_share(alloc, share_id);
	197	if (nblock != NULL) {
	198	if (size != (int)nblock->size) {
	199	/* TODO: remove in the future */
99b359ba	200	snd_printk(KERN_ERR "snd_gf1_mem_alloc - share: sizes differ\n");
1da177e4 LT	201	goto __std;
	202	}
	203	nblock->share++;
	204	snd_gf1_mem_lock(alloc, 1);
	205	return NULL;
	206	}
	207	}
	208	__std:
	209	if (snd_gf1_mem_find(alloc, &block, size, w_16, align) < 0) {
	210	snd_gf1_mem_lock(alloc, 1);
	211	return NULL;
	212	}
	213	if (share_id != NULL)
	214	memcpy(&block.share_id, share_id, sizeof(block.share_id));
	215	block.owner = owner;
543537bd	216	block.name = kstrdup(name, GFP_KERNEL);
1da177e4 LT	217	nblock = snd_gf1_mem_xalloc(alloc, &block);
	218	snd_gf1_mem_lock(alloc, 1);
	219	return nblock;
	220	}
	221
5e2da206	222	int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address)
1da177e4 LT	223	{
1da177e4 LT	224	int result;
5e2da206	225	struct snd_gf1_mem_block *block;
1da177e4 LT	226
	227	snd_gf1_mem_lock(alloc, 0);
	228	if ((block = snd_gf1_mem_look(alloc, address)) != NULL) {
	229	result = snd_gf1_mem_xfree(alloc, block);
	230	snd_gf1_mem_lock(alloc, 1);
	231	return result;
	232	}
	233	snd_gf1_mem_lock(alloc, 1);
	234	return -EINVAL;
	235	}
	236
5e2da206	237	int snd_gf1_mem_init(struct snd_gus_card * gus)
1da177e4	238	{
5e2da206 TI	239	struct snd_gf1_mem *alloc;
5e2da206 TI	240	struct snd_gf1_mem_block block;
1da177e4	241	#ifdef CONFIG_SND_DEBUG
5e2da206	242	struct snd_info_entry *entry;
1da177e4 LT	243	#endif
	244
	245	alloc = &gus->gf1.mem_alloc;
8b7547f9	246	mutex_init(&alloc->memory_mutex);
1da177e4 LT	247	alloc->first = alloc->last = NULL;
	248	if (!gus->gf1.memory)
	249	return 0;
	250
	251	memset(&block, 0, sizeof(block));
	252	block.owner = SNDRV_GF1_MEM_OWNER_DRIVER;
	253	if (gus->gf1.enh_mode) {
	254	block.ptr = 0;
	255	block.size = 1024;
543537bd	256	block.name = kstrdup("InterWave LFOs", GFP_KERNEL);
1da177e4 LT	257	if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
	258	return -ENOMEM;
	259	}
	260	block.ptr = gus->gf1.default_voice_address;
	261	block.size = 4;
543537bd	262	block.name = kstrdup("Voice default (NULL's)", GFP_KERNEL);
1da177e4 LT	263	if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
	264	return -ENOMEM;
	265	#ifdef CONFIG_SND_DEBUG
bf850204 TI	266	if (! snd_card_proc_new(gus->card, "gusmem", &entry))
bf850204 TI	267	snd_info_set_text_ops(entry, gus, snd_gf1_mem_info_read);
1da177e4 LT	268	#endif
	269	return 0;
	270	}
	271
5e2da206	272	int snd_gf1_mem_done(struct snd_gus_card * gus)
1da177e4	273	{
5e2da206 TI	274	struct snd_gf1_mem *alloc;
5e2da206 TI	275	struct snd_gf1_mem_block block, nblock;
1da177e4 LT	276
	277	alloc = &gus->gf1.mem_alloc;
	278	block = alloc->first;
	279	while (block) {
	280	nblock = block->next;
	281	snd_gf1_mem_xfree(alloc, block);
	282	block = nblock;
	283	}
	284	return 0;
	285	}
	286
	287	#ifdef CONFIG_SND_DEBUG
5e2da206 TI	288	static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
5e2da206 TI	289	struct snd_info_buffer *buffer)
1da177e4	290	{
5e2da206 TI	291	struct snd_gus_card *gus;
	292	struct snd_gf1_mem *alloc;
	293	struct snd_gf1_mem_block *block;
1da177e4 LT	294	unsigned int total, used;
	295	int i;
	296
	297	gus = entry->private_data;
	298	alloc = &gus->gf1.mem_alloc;
8b7547f9	299	mutex_lock(&alloc->memory_mutex);
1da177e4 LT	300	snd_iprintf(buffer, "8-bit banks : \n ");
	301	for (i = 0; i < 4; i++)
	302	snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_8[i].address, alloc->banks_8[i].size >> 10, i + 1 < 4 ? "," : "");
	303	snd_iprintf(buffer, "\n"
	304	"16-bit banks : \n ");
	305	for (i = total = 0; i < 4; i++) {
	306	snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_16[i].address, alloc->banks_16[i].size >> 10, i + 1 < 4 ? "," : "");
	307	total += alloc->banks_16[i].size;
	308	}
	309	snd_iprintf(buffer, "\n");
	310	used = 0;
	311	for (block = alloc->first, i = 0; block; block = block->next, i++) {
	312	used += block->size;
	313	snd_iprintf(buffer, "Block %i at 0x%lx onboard 0x%x size %i (0x%x):\n", i, (long) block, block->ptr, block->size, block->size);
	314	if (block->share \|\|
	315	block->share_id[0] \|\| block->share_id[1] \|\|
	316	block->share_id[2] \|\| block->share_id[3])
	317	snd_iprintf(buffer, " Share : %i [id0 0x%x] [id1 0x%x] [id2 0x%x] [id3 0x%x]\n",
	318	block->share,
	319	block->share_id[0], block->share_id[1],
	320	block->share_id[2], block->share_id[3]);
	321	snd_iprintf(buffer, " Flags :%s\n",
	322	block->flags & SNDRV_GF1_MEM_BLOCK_16BIT ? " 16-bit" : "");
	323	snd_iprintf(buffer, " Owner : ");
	324	switch (block->owner) {
	325	case SNDRV_GF1_MEM_OWNER_DRIVER:
	326	snd_iprintf(buffer, "driver - %s\n", block->name);
	327	break;
	328	case SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE:
	329	snd_iprintf(buffer, "SIMPLE wave\n");
	330	break;
	331	case SNDRV_GF1_MEM_OWNER_WAVE_GF1:
	332	snd_iprintf(buffer, "GF1 wave\n");
	333	break;
	334	case SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF:
	335	snd_iprintf(buffer, "IWFFFF wave\n");
	336	break;
	337	default:
	338	snd_iprintf(buffer, "unknown\n");
	339	}
	340	}
	341	snd_iprintf(buffer, " Total: memory = %i, used = %i, free = %i\n",
	342	total, used, total - used);
8b7547f9	343	mutex_unlock(&alloc->memory_mutex);
1da177e4 LT	344	#if 0
	345	ultra_iprintf(buffer, " Verify: free = %i, max 8-bit block = %i, max 16-bit block = %i\n",
	346	ultra_memory_free_size(card, &card->gf1.mem_alloc),
	347	ultra_memory_free_block(card, &card->gf1.mem_alloc, 0),
	348	ultra_memory_free_block(card, &card->gf1.mem_alloc, 1));
	349	#endif
	350	}
	351	#endif