static int
via8233dxs_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
u_int32_t r, v;
r = ch->rbase + VIA8233_RP_DXS_RATEFMT;
snd_mtxlock(via->lock);
v = via_rd(via, r, 4);
v &= ~(VIA8233_DXS_RATEFMT_STEREO | VIA8233_DXS_RATEFMT_16BIT);
if (format & AFMT_STEREO)
v |= VIA8233_DXS_RATEFMT_STEREO;
if (format & AFMT_16BIT)
v |= VIA8233_DXS_RATEFMT_16BIT;
via_wr(via, r, v, 4);
snd_mtxunlock(via->lock);
return 0;
}
static int
viachan_getptr(kobj_t obj, void *data)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
struct via_dma_op *ado;
bus_addr_t sgd_addr = ch->sgd_addr;
int ptr, base, base1, len, seg;
ado = ch->sgd_table;
snd_mtxlock(via->lock);
base1 = via_rd(via, ch->base, 4);
len = via_rd(via, ch->count, 4);
base = via_rd(via, ch->base, 4);
if (base != base1) /* Avoid race hazard */
len = via_rd(via, ch->count, 4);
snd_mtxunlock(via->lock);
DEB(kprintf("viachan_getptr: len / base = %x / %x\n", len, base));
/* Base points to SGD segment to do, one past current */
/* Determine how many segments have been done */
seg = (base - sgd_addr) / sizeof(struct via_dma_op);
if (seg == 0)
seg = SEGS_PER_CHAN;
/* Now work out offset: seg less count */
ptr = (seg * sndbuf_getsize(ch->buffer) / SEGS_PER_CHAN) - len;
if (ch->dir == PCMDIR_REC) {
/* DMA appears to operate on memory 'lines' of 32 bytes */
/* so don't return any part line - it isn't in RAM yet */
ptr = ptr & ~0x1f;
}
DEB(kprintf("return ptr=%d\n", ptr));
return ptr;
}
static void*
via8233msgd_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
struct pcm_channel *c, int dir)
{
struct via_info *via = devinfo;
struct via_chinfo *ch = &via->pch[c->num];
ch->parent = via;
ch->channel = c;
ch->buffer = b;
ch->dir = dir;
ch->rbase = VIA_MC_SGD_STATUS;
if (sndbuf_alloc(ch->buffer, via->parent_dmat, via->bufsz) != 0)
return NULL;
snd_mtxlock(via->lock);
via8233chan_sgdinit(via, ch, NWRCHANS + c->num);
via8233chan_reset(via, ch);
snd_mtxunlock(via->lock);
return ch;
}
static int
viachan_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
int mode, mode_set;
mode_set = 0;
if (format & AFMT_STEREO)
mode_set |= VIA_RPMODE_STEREO;
if (format & AFMT_S16_LE)
mode_set |= VIA_RPMODE_16BIT;
DEB(kprintf("set format: dir = %d, format=%x\n", ch->dir, format));
snd_mtxlock(via->lock);
mode = via_rd(via, ch->mode, 1);
mode &= ~(VIA_RPMODE_16BIT | VIA_RPMODE_STEREO);
mode |= mode_set;
via_wr(via, ch->mode, mode, 1);
snd_mtxunlock(via->lock);
return 0;
}
static int
via8233msgd_setformat(kobj_t obj, void *data, u_int32_t format)
{
struct via_chinfo *ch = data;
struct via_info *via = ch->parent;
u_int32_t s = 0xff000000;
u_int8_t v = (format & AFMT_S16_LE) ? MC_SGD_16BIT : MC_SGD_8BIT;
if (format & AFMT_STEREO) {
v |= MC_SGD_CHANNELS(2);
s |= SLOT3(1) | SLOT4(2);
} else {
v |= MC_SGD_CHANNELS(1);
s |= SLOT3(1) | SLOT4(1);
}
snd_mtxlock(via->lock);
via_wr(via, VIA_MC_SLOT_SELECT, s, 4);
via_wr(via, VIA_MC_SGD_FORMAT, v, 1);
snd_mtxunlock(via->lock);
return 0;
}
/* channel interface */
static void *
viachan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
{
struct via_info *via = devinfo;
struct via_chinfo *ch;
snd_mtxlock(via->lock);
if (dir == PCMDIR_PLAY) {
ch = &via->pch;
ch->base = VIA_PLAY_DMAOPS_BASE;
ch->count = VIA_PLAY_DMAOPS_COUNT;
ch->ctrl = VIA_PLAY_CONTROL;
ch->mode = VIA_PLAY_MODE;
ch->sgd_addr = via->sgd_addr;
ch->sgd_table = &via->sgd_table[0];
} else {
ch = &via->rch;
ch->base = VIA_RECORD_DMAOPS_BASE;
ch->count = VIA_RECORD_DMAOPS_COUNT;
ch->ctrl = VIA_RECORD_CONTROL;
ch->mode = VIA_RECORD_MODE;
ch->sgd_addr = via->sgd_addr + sizeof(struct via_dma_op) * SEGS_PER_CHAN;
ch->sgd_table = &via->sgd_table[SEGS_PER_CHAN];
}
ch->parent = via;
ch->channel = c;
ch->buffer = b;
ch->dir = dir;
snd_mtxunlock(via->lock);
if (sndbuf_alloc(ch->buffer, via->parent_dmat, via->bufsz) != 0)
return NULL;
return ch;
}
static void
ad1816_lock(struct ad1816_info *ad1816)
{
snd_mtxlock(ad1816->lock);
}
void
sbc_lock(struct sbc_softc *scp)
{
snd_mtxlock(scp->lock);
}
