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- Decrease buffer size.

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- Handle eDMA interrupt on running channel only.
This commit is contained in:
Ruslan Bukin 2014-02-16 19:21:44 +00:00
parent d0c2bbbe6c
commit 0beadc3c1c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=261987
1 changed files with 6 additions and 3 deletions
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9
sys/arm/freescale/vybrid/vf_sai.c
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@ -396,7 +396,8 @@ sai_dma_intr(void *arg, int chn)
if (sc->pos >= sc->dma_size) if (sc->pos >= sc->dma_size)
sc->pos -= sc->dma_size; sc->pos -= sc->dma_size;
chn_intr(ch->channel); if (ch->run)
chn_intr(ch->channel);
return (0); return (0);
} }
@ -492,7 +493,7 @@ setup_dma(struct sc_pcminfo *scp)
tcd->nbytes = 64; tcd->nbytes = 64;
tcd->nmajor = 512; tcd->nmajor = 512;
tcd->smod = 18; /* dma_size range */ tcd->smod = 17; /* dma_size range */
tcd->dmod = 0; tcd->dmod = 0;
tcd->esg = 0; tcd->esg = 0;
tcd->soff = 0x4; tcd->soff = 0x4;
@ -523,6 +524,7 @@ saichan_trigger(kobj_t obj, void *data, int go)
#if 0 #if 0
device_printf(scp->dev, "trigger start\n"); device_printf(scp->dev, "trigger start\n");
#endif #endif
ch->run = 1;
break; break;
case PCMTRIG_STOP: case PCMTRIG_STOP:
@ -530,6 +532,7 @@ saichan_trigger(kobj_t obj, void *data, int go)
#if 0 #if 0
device_printf(scp->dev, "trigger stop or abort\n"); device_printf(scp->dev, "trigger stop or abort\n");
#endif #endif
ch->run = 0;
break; break;
} }
@ -720,7 +723,7 @@ sai_attach(device_t dev)
scp->dev = dev; scp->dev = dev;
/* DMA */ /* DMA */
sc->dma_size = 262144; sc->dma_size = 131072;
/* /*
* Must use dma_size boundary as modulo feature required. * Must use dma_size boundary as modulo feature required.