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don't enable the mic record channel unless the codec supports it.

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allow hardware buffer size to be specified using hints.
This commit is contained in:
Cameron Grant 2001-09-18 14:53:01 +00:00
parent 0f2c85b335
commit fca71897c4
1 changed files with 17 additions and 10 deletions
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27
sys/dev/sound/pci/ich.c
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@ -39,6 +39,7 @@ SND_DECLARE_FILE("$FreeBSD$");
#define ICH_TIMEOUT 1000 /* semaphore timeout polling count */
#define ICH_DTBL_LENGTH 32
#define ICH_DEFAULT_BUFSZ 16384
#define ICH_MAX_BUFSZ 65536
/* buffer descriptor */
struct ich_desc {
@ -65,8 +66,8 @@ struct sc_chinfo {
/* device private data */
struct sc_info {
device_t dev;
int hasvra, hasvrm;
int chnum;
int hasvra, hasvrm, hasmic;
unsigned int chnum, bufsz;
struct resource *nambar, *nabmbar, *irq;
int nambarid, nabmbarid, irqid;
@ -227,7 +228,7 @@ ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *
{
struct sc_info *sc = devinfo;
struct sc_chinfo *ch;
int num;
unsigned int num;
num = sc->chnum++;
ch = &sc->ch[num];
@ -238,7 +239,7 @@ ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *
ch->run = 0;
ch->dtbl = sc->dtbl + (ch->num * ICH_DTBL_LENGTH);
ch->blkcnt = 2;
ch->blksz = ICH_DEFAULT_BUFSZ / ch->blkcnt;
ch->blksz = sc->bufsz / ch->blkcnt;
switch(ch->num) {
case 0: /* play */
@ -263,7 +264,7 @@ ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *
return NULL;
}
if (sndbuf_alloc(ch->buffer, sc->dmat, ICH_DEFAULT_BUFSZ))
if (sndbuf_alloc(ch->buffer, sc->dmat, sc->bufsz))
return NULL;
ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (u_int32_t)vtophys(ch->dtbl), 4);
@ -422,7 +423,9 @@ ich_init(struct sc_info *sc)
ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD | ICH_GLOB_CTL_PRES, 4);
if (ich_resetchan(sc, 0) || ich_resetchan(sc, 1) || ich_resetchan(sc, 2))
if (ich_resetchan(sc, 0) || ich_resetchan(sc, 1))
return ENXIO;
if (sc->hasmic && ich_resetchan(sc, 2))
return ENXIO;
if (bus_dmamem_alloc(sc->dmat, (void **)&sc->dtbl, BUS_DMA_NOWAIT, &sc->dtmap))
@ -497,8 +500,9 @@ ich_pci_attach(device_t dev)
sc->nabmbart = rman_get_bustag(sc->nabmbar);
sc->nabmbarh = rman_get_bushandle(sc->nabmbar);
sc->bufsz = pcm_getbuffersize(dev, 4096, ICH_DEFAULT_BUFSZ, ICH_MAX_BUFSZ);
if (bus_dma_tag_create(NULL, 8, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
NULL, NULL, ICH_DEFAULT_BUFSZ, 1, 0x3ffff, 0, &sc->dmat) != 0) {
NULL, NULL, sc->bufsz, 1, 0x3ffff, 0, &sc->dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");
goto bad;
}
@ -518,6 +522,8 @@ ich_pci_attach(device_t dev)
sc->hasvra = 1;
if (ac97_setextmode(sc->codec, AC97_EXTCAP_VRM) == 0)
sc->hasvrm = 1;
if (ac97_getcaps(sc->codec) & AC97_CAP_MICCHANNEL)
sc->hasmic = 1;
sc->irqid = 0;
sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
@ -529,9 +535,10 @@ ich_pci_attach(device_t dev)
if (pcm_register(dev, sc, 1, 2))
goto bad;
pcm_addchan(dev, PCMDIR_PLAY, &ichchan_class, sc);
pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc);
pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc);
pcm_addchan(dev, PCMDIR_PLAY, &ichchan_class, sc); /* play */
pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc); /* record */
if (sc->hasmic)
pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc); /* record mic */
snprintf(status, SND_STATUSLEN, "at io 0x%lx, 0x%lx irq %ld",
rman_get_start(sc->nambar), rman_get_start(sc->nabmbar), rman_get_start(sc->irq));