static int
via8233chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct via_chinfo *ch = data;
sndbuf_resize(ch->buffer, SEGS_PER_CHAN, blocksize);
ch->blksz = sndbuf_getblksz(ch->buffer);
return ch->blksz;
}
static u_int32_t
viachan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct via_chinfo *ch = data;
ch->blksz = blocksize;
sndbuf_resize(ch->buffer, SEGS_PER_CHAN, ch->blksz);
return ch->blksz;
}
static int
alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
if (blocksize > ALS_BUFFER_SIZE / 2) {
blocksize = ALS_BUFFER_SIZE / 2;
}
sndbuf_resize(ch->buffer, 2, blocksize);
return blocksize;
}
static u_int32_t
alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
if (blocksize > sc->bufsz / 2) {
blocksize = sc->bufsz / 2;
}
sndbuf_resize(ch->buffer, 2, blocksize);
return blocksize;
}
static int
atiixp_chan_setblocksize(kobj_t obj, void *data, uint32_t blksz)
{
struct atiixp_chinfo *ch = data;
struct atiixp_info *sc = ch->parent;
if (blksz > (sc->bufsz / ch->dma_segs))
blksz = sc->bufsz / ch->dma_segs;
sndbuf_resize(ch->buffer, ch->dma_segs, blksz);
return sndbuf_getblksz(ch->buffer);
}
static u_int32_t
ds1rchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_rchinfo *ch = data;
struct sc_info *sc = ch->parent;
int drate;
/* irq rate is fixed at 187.5hz */
drate = ch->spd * sndbuf_getalign(ch->buffer);
blocksize = roundup2((drate << 8) / DS1_IRQHZ, 4);
sndbuf_resize(ch->buffer, sc->bufsz / blocksize, blocksize);
return blocksize;
}
static int
cs4281chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
u_int32_t go;
go = adcdac_go(ch, 0);
/* 2 interrupts are possible and used in buffer (half-empty,empty),
* hence factor of 2. */
ch->blksz = MIN(blocksize, CS4281_BUFFER_SIZE / 2);
sndbuf_resize(ch->buffer, 2, ch->blksz);
ch->dma_setup = 0;
adcdac_prog(ch);
adcdac_go(ch, go);
DEB(printf("cs4281chan_setblocksize: bufsz %d Setting %d\n", blocksize, ch->blksz));
return sndbuf_getsize(ch->buffer);
}
static void
ich_filldtbl(struct sc_chinfo *ch)
{
struct sc_info *sc = ch->parent;
uint32_t base;
int i;
base = sndbuf_getbufaddr(ch->buffer);
if ((ch->blksz * ch->blkcnt) > sndbuf_getmaxsize(ch->buffer))
ch->blksz = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt;
if ((sndbuf_getblksz(ch->buffer) != ch->blksz ||
sndbuf_getblkcnt(ch->buffer) != ch->blkcnt) &&
sndbuf_resize(ch->buffer, ch->blkcnt, ch->blksz) != 0)
device_printf(sc->dev, "%s: failed blksz=%u blkcnt=%u\n",
__func__, ch->blksz, ch->blkcnt);
ch->blksz = sndbuf_getblksz(ch->buffer);
for (i = 0; i < ICH_DTBL_LENGTH; i++) {
ch->dtbl[i].buffer = base + (ch->blksz * (i % ch->blkcnt));
ch->dtbl[i].length = ICH_BDC_IOC
| (ch->blksz / ch->parent->sample_size);
}
}