diff options
Diffstat (limited to 'firmware/target/arm/s5l8700/pcm-s5l8700.c')
| -rw-r--r-- | firmware/target/arm/s5l8700/pcm-s5l8700.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/firmware/target/arm/s5l8700/pcm-s5l8700.c b/firmware/target/arm/s5l8700/pcm-s5l8700.c index fd41da1432..219f682e2d 100644 --- a/firmware/target/arm/s5l8700/pcm-s5l8700.c +++ b/firmware/target/arm/s5l8700/pcm-s5l8700.c @@ -105,7 +105,7 @@ static void play_next(void *addr, size_t size) dma_callback); /* DMA channel on */ - clean_dcache(); +// clean_dcache(); dma_enable_channel(DMA_IISOUT_CHANNEL); } @@ -139,7 +139,8 @@ void pcm_play_dma_start(const void *addr, size_t size) PCON5 = (PCON5 & ~(0xFFFF0000)) | 0x77720000; PCON6 = (PCON6 & ~(0x0F000000)) | 0x02000000; - I2STXCON = (0x10 << 16) | /* burst length */ + I2STXCON = (1 << 20) | /* undocumented */ + (DMA_IISOUT_BLEN << 16) | /* burst length */ (0 << 15) | /* 0 = falling edge */ (0 << 13) | /* 0 = basic I2S format */ (0 << 12) | /* 0 = MSB first */ @@ -162,7 +163,7 @@ void pcm_play_dma_start(const void *addr, size_t size) #endif /* S3: DMA channel 0 on */ - clean_dcache(); +// clean_dcache(); dma_enable_channel(DMA_IISOUT_CHANNEL); /* S4: IIS Tx clock on */ @@ -190,14 +191,14 @@ void pcm_play_dma_stop(void) (0 << 0); /* 0 = LRCK on */ } -/* pause playback by disabling further DMA requests */ +/* pause playback by disabling the I2S interface */ void pcm_play_dma_pause(bool pause) { if (pause) { - I2STXCOM &= ~(1 << 1); /* DMA request enable */ + I2STXCOM |= (1 << 0); /* LRCK off */ } else { - I2STXCOM |= (1 << 1); /* DMA request enable */ + I2STXCOM &= ~(1 << 0); /* LRCK on */ } } @@ -267,7 +268,7 @@ const void * pcm_play_dma_get_peak_buffer(int *count) void * pcm_dma_addr(void *addr) { if (addr != NULL) - addr = UNCACHED_ADDR(addr); + addr = (void*)((uintptr_t)addr | 0x40000000); return addr; } #endif |