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Ingenic targets:

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* Get audio working (only noise atm)
 * Clean up some stuff in USB


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19329 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-12-04 19:44:03 +00:00
parent c848d2dd99
commit 7ea9e31658
3 changed files with 48 additions and 45 deletions
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25
firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c
View file

@ -35,6 +35,11 @@
void pcm_postinit(void)
{
audiohw_postinit();
/* playback sample:16 bits, burst:16 bytes */
__i2s_set_transmit_trigger(4);
__i2s_set_oss_sample_size(16);
pcm_apply_settings();
}
@ -53,11 +58,6 @@ void pcm_play_dma_init(void)
audiohw_init();
}
void pcm_apply_settings(void)
{
/* TODO */
}
void pcm_set_frequency(unsigned int frequency)
{
(void) frequency;
@ -71,10 +71,8 @@ void pcm_set_frequency(unsigned int frequency)
static void play_start_pcm(void)
{
pcm_apply_settings();
__aic_enable_transmit_dma();
__aic_enable_replay();
__i2s_enable_transmit_dma();
__i2s_enable_replay();
REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) |= DMAC_DCCSR_EN;
}
@ -83,18 +81,18 @@ static void play_stop_pcm(void)
{
REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) = (REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) | DMAC_DCCSR_HLT) & ~DMAC_DCCSR_EN;
__aic_disable_transmit_dma();
__aic_disable_replay();
__i2s_disable_transmit_dma();
__i2s_disable_replay();
}
void pcm_play_dma_start(const void *addr, size_t size)
{
REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) = 0;
REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) = DMAC_DCCSR_NDES;
REG_DMAC_DSAR(DMA_AIC_TX_CHANNEL) = PHYSADDR((unsigned long)addr);
REG_DMAC_DTAR(DMA_AIC_TX_CHANNEL) = PHYSADDR((unsigned long)AIC_DR);
REG_DMAC_DTCR(DMA_AIC_TX_CHANNEL) = size;
REG_DMAC_DRSR(DMA_AIC_TX_CHANNEL) = DMAC_DRSR_RS_AICOUT;
REG_DMAC_DCMD(DMA_AIC_TX_CHANNEL) = ( DMAC_DCMD_SAI| DMAC_DCMD_DAI | DMAC_DCMD_SWDH_32 | DMAC_DCMD_DS_32BIT | DMAC_DCMD_DWDH_32
REG_DMAC_DCMD(DMA_AIC_TX_CHANNEL) = ( DMAC_DCMD_SAI| DMAC_DCMD_SWDH_32 | DMAC_DCMD_DS_32BIT | DMAC_DCMD_DWDH_32
| DMAC_DCMD_TIE);
play_start_pcm();
@ -134,7 +132,6 @@ void pcm_play_dma_pause(bool pause)
play_stop_pcm();
else
play_start_pcm();
}
#ifdef HAVE_RECORDING