d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=83617
1 changed files with 17 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
sys/dev/sound/pci/ich.c
View File

@ -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));