isa/gus/gus_mem.c

18 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup)
21 		mutex_lock(&alloc->memory_mutex);
23 		mutex_unlock(&alloc->memory_mutex);
28 snd_gf1_mem_xalloc(struct snd_gf1_mem *alloc, struct snd_gf1_mem_block *block,
43 	pblock = alloc->first;
49 			if (pblock == alloc->first)
50 				alloc->first = nblock;
53 			mutex_unlock(&alloc->memory_mutex);
59 	if (alloc->last == NULL) {
61 		alloc->first = alloc->last = nblock;
63 		nblock->prev = alloc->last;
64 		alloc->last->next = nblock;
65 		alloc->last = nblock;
70 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block)
74 		mutex_unlock(&alloc->memory_mutex);
77 	if (alloc->first == block) {
78 		alloc->first = block->next;
86 	if (alloc->last == block) {
87 		alloc->last = block->prev;
100 static struct snd_gf1_mem_block *snd_gf1_mem_look(struct snd_gf1_mem * alloc,
105 	for (block = alloc->first; block; block = block->next) {
113 static struct snd_gf1_mem_block *snd_gf1_mem_share(struct snd_gf1_mem * alloc,
121 	for (block = alloc->first; block; block = block->next)
128 static int snd_gf1_mem_find(struct snd_gf1_mem * alloc,
132 	struct snd_gf1_bank_info *info = w_16 ? alloc->banks_16 : alloc->banks_8;
147 	for (pblock = alloc->first, idx = 0; pblock; pblock = pblock->next) {
180 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
186 	snd_gf1_mem_lock(alloc, 0);
188 		nblock = snd_gf1_mem_share(alloc, share_id);
196 			snd_gf1_mem_lock(alloc, 1);
201 	if (snd_gf1_mem_find(alloc, &block, size, w_16, align) < 0) {
202 		snd_gf1_mem_lock(alloc, 1);
208 	nblock = snd_gf1_mem_xalloc(alloc, &block, name);
209 	snd_gf1_mem_lock(alloc, 1);
213 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address)
218 	snd_gf1_mem_lock(alloc, 0);
219 	block = snd_gf1_mem_look(alloc, address);
221 		result = snd_gf1_mem_xfree(alloc, block);
222 		snd_gf1_mem_lock(alloc, 1);
225 	snd_gf1_mem_lock(alloc, 1);
231 	struct snd_gf1_mem *alloc;
234 	alloc = &gus->gf1.mem_alloc;
235 	mutex_init(&alloc->memory_mutex);
236 	alloc->first = alloc->last = NULL;
245 		if (!snd_gf1_mem_xalloc(alloc, &block, "InterWave LFOs"))
250 	if (!snd_gf1_mem_xalloc(alloc, &block, "Voice default (NULL's)"))
260 	struct snd_gf1_mem *alloc;
263 	alloc = &gus->gf1.mem_alloc;
264 	block = alloc->first;
267 		snd_gf1_mem_xfree(alloc, block);
278 	struct snd_gf1_mem *alloc;
284 	alloc = &gus->gf1.mem_alloc;
285 	mutex_lock(&alloc->memory_mutex);
288 		snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_8[i].address, alloc->banks_8[i].size >> 10, i + 1 < 4 ? "," : "");
292 		snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_16[i].address, alloc->banks_16[i].size >> 10, i + 1 < 4 ? "," : "");
293 		total += alloc->banks_16[i].size;
297 	for (block = alloc->first, i = 0; block; block = block->next, i++) {
329 	mutex_unlock(&alloc->memory_mutex);