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Clean up viachan_init.

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This commit is contained in:
Orion Hodson 2003-02-21 01:47:59 +00:00
parent 439fa3dd0a
commit 3299968464
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111198
1 changed files with 19 additions and 15 deletions
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34
sys/dev/sound/pci/via82c686.c
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@ -242,26 +242,30 @@ 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 = (dir == PCMDIR_PLAY)? &via->pch : &via->rch;
struct via_chinfo *ch;
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;
ch->sgd_table = &via->sgd_table[(dir == PCMDIR_PLAY)? 0 : SEGS_PER_CHAN];
ch->sgd_addr = dir == PCMDIR_PLAY ? via->sgd_addr : via->sgd_addr +
sizeof(struct via_dma_op) * SEGS_PER_CHAN;
if (ch->dir == PCMDIR_PLAY) {
ch->base = VIA_PLAY_DMAOPS_BASE;
ch->count = VIA_PLAY_DMAOPS_COUNT;
ch->ctrl = VIA_PLAY_CONTROL;
ch->mode = VIA_PLAY_MODE;
} else {
ch->base = VIA_RECORD_DMAOPS_BASE;
ch->count = VIA_RECORD_DMAOPS_COUNT;
ch->ctrl = VIA_RECORD_CONTROL;
ch->mode = VIA_RECORD_MODE;
}
if (sndbuf_alloc(ch->buffer, via->parent_dmat, via->bufsz) == -1)
return NULL;