sound/pci/emu10kx.c

291 /* rm */
367 	struct		emu_rm *rm;
400 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
1552 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1619 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1712 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1932 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2150 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2256 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2345 	struct emu_rm *rm;
2347 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2348 	if (rm == NULL) {
2351 	sc->rm = rm;
2352 	rm->card = sc;
2354 	rm->num_used = 0;
2355 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2356 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2357 	for (i = 0; i < rm->num_gprs; i++)
2358 		rm->allocmap[i] = 0;
2360 	rm->allocmap[0] = 1;
2361 	rm->last_free_gpr = 1;
2372 		mtx_lock(&(sc->rm->gpr_lock));
2373 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2374 			if (sc->rm->allocmap[i] > 0)
2375 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2376 		mtx_unlock(&(sc->rm->gpr_lock));
2379 	mtx_destroy(&(sc->rm->gpr_lock));
2380 	free(sc->rm, M_DEVBUF);
2385 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2390 	allocated_gpr = rm->num_gprs;
2392 	mtx_lock(&(rm->gpr_lock));
2393 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2394 		allocated_gpr = rm->last_free_gpr;
2395 		rm->last_free_gpr += count;
2396 		rm->allocmap[allocated_gpr] = count;
2398 			rm->allocmap[allocated_gpr + i] = -(count - i);
2402 		allocated_gpr = rm->num_gprs;
2403 		while (i < rm->last_free_gpr - count) {
2404 			if (rm->allocmap[i] > 0) {
2405 				i += rm->allocmap[i];
2409 					if (rm->allocmap[i + j] != 0)
2410 						allocated_gpr = rm->num_gprs;
2416 		if (allocated_gpr + count < rm->last_free_gpr) {
2417 			rm->allocmap[allocated_gpr] = count;
2419 				rm->allocmap[allocated_gpr + i] = -(count - i);
2422 	if (allocated_gpr == rm->num_gprs)
2425 		rm->num_used += count;
2426 	mtx_unlock(&(rm->gpr_lock));
3391 	if (sc->rm != NULL)