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use pcm_getbuffersize()

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use seperate dma tags for buffers and control info
This commit is contained in:
Cameron Grant 2001-10-08 06:01:13 +00:00
parent 39dbd126c7
commit 50388172c5
1 changed files with 22 additions and 14 deletions
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36
sys/dev/sound/pci/ds1.c
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@ -110,7 +110,7 @@ struct sc_info {
bus_space_tag_t st;
bus_space_handle_t sh;
bus_dma_tag_t parent_dmat;
bus_dma_tag_t buffer_dmat, control_dmat;
bus_dmamap_t map;
struct resource *reg, *irq;
@ -123,6 +123,7 @@ struct sc_info {
volatile struct pbank *pbank[2 * 64];
volatile struct rbank *rbank;
int pslotfree, currbank, pchn, rchn;
unsigned int bufsz;
struct sc_pchinfo pch[DS1_CHANS];
struct sc_rchinfo rch[2];
@ -489,7 +490,7 @@ ds1pchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel
ch->fmt = AFMT_U8;
ch->spd = 8000;
ch->run = 0;
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, DS1_BUFFSIZE) == -1)
if (sndbuf_alloc(ch->buffer, sc->buffer_dmat, sc->bufsz) == -1)
return NULL;
else {
ch->lsnum = sc->pslotfree;
@ -619,7 +620,7 @@ ds1rchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel
ch->dir = dir;
ch->fmt = AFMT_U8;
ch->spd = 8000;
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 4096) == -1)
if (sndbuf_alloc(ch->buffer, sc->buffer_dmat, sc->bufsz) == -1)
return NULL;
else {
ch->slot = (ch->num == DS1_RECPRIMARY)? sc->rbank + 2: sc->rbank;
@ -826,12 +827,14 @@ ds_init(struct sc_info *sc)
memsz += (64 + 1) * 4;
if (sc->regbase == NULL) {
if (bus_dmamem_alloc(sc->parent_dmat, &buf, BUS_DMA_NOWAIT, &sc->map))
if (bus_dma_tag_create(NULL, 2, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
NULL, NULL, memsz, 1, 1, 0, &sc->control_dmat))
return -1;
if (bus_dmamap_load(sc->parent_dmat, sc->map, buf, memsz, ds_setmap, sc, 0)
|| !sc->ctrlbase) {
if (bus_dmamem_alloc(sc->control_dmat, &buf, BUS_DMA_NOWAIT, &sc->map))
return -1;
if (bus_dmamap_load(sc->control_dmat, sc->map, buf, memsz, ds_setmap, sc, 0) || !sc->ctrlbase) {
device_printf(sc->dev, "pcs=%d, rcs=%d, ecs=%d, ws=%d, memsz=%d\n",
pcs, rcs, ecs, ws, memsz);
pcs, rcs, ecs, ws, memsz);
return -1;
}
sc->regbase = buf;
@ -888,8 +891,8 @@ ds_uninit(struct sc_info *sc)
ds_wr(sc, YDSXGR_EFFCTRLBASE, 0x00000000, 4);
ds_wr(sc, YDSXGR_GLOBALCTRL, 0, 2);
bus_dmamap_unload(sc->parent_dmat, sc->map);
bus_dmamem_free(sc->parent_dmat, sc->regbase, sc->map);
bus_dmamap_unload(sc->control_dmat, sc->map);
bus_dmamem_free(sc->control_dmat, sc->regbase, sc->map);
return 0;
}
@ -958,12 +961,14 @@ ds_pci_attach(device_t dev)
sc->st = rman_get_bustag(sc->reg);
sc->sh = rman_get_bushandle(sc->reg);
sc->bufsz = pcm_getbuffersize(dev, 4096, DS1_BUFFSIZE, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/65536, /*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &sc->parent_dmat) != 0) {
/*maxsize*/sc->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &sc->buffer_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
@ -1009,8 +1014,10 @@ ds_pci_attach(device_t dev)
bus_teardown_intr(dev, sc->irq, sc->ih);
if (sc->irq)
bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
if (sc->parent_dmat)
bus_dma_tag_destroy(sc->parent_dmat);
if (sc->buffer_dmat)
bus_dma_tag_destroy(sc->buffer_dmat);
if (sc->control_dmat)
bus_dma_tag_destroy(sc->control_dmat);
if (sc->lock)
snd_mtxfree(sc->lock);
free(sc, M_DEVBUF);
@ -1050,7 +1057,8 @@ ds_pci_detach(device_t dev)
bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
bus_teardown_intr(dev, sc->irq, sc->ih);
bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
bus_dma_tag_destroy(sc->parent_dmat);
bus_dma_tag_destroy(sc->buffer_dmat);
bus_dma_tag_destroy(sc->control_dmat);
snd_mtxfree(sc->lock);
free(sc, M_DEVBUF);
return 0;