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;
}
snd_gf1_mem_block_t *snd_gf1_mem_alloc(snd_gf1_mem_t * alloc, int owner,
char *name, int size, int w_16, int align,
unsigned int *share_id)
{
snd_gf1_mem_block_t 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("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 = snd_kmalloc_strdup(name, GFP_KERNEL);
nblock = snd_gf1_mem_xalloc(alloc, &block);
snd_gf1_mem_lock(alloc, 1);
return nblock;
}
