void pcm_play_dma_init(void)
{
freq_ent = pcm_freq_parms[pcm_fsel];
AUDIOGLOB = AUDIOGLOB_DEFPARM;
DIVR0 = 54; /* DMA0 is mapped into vector 54 in system.c */
and_l(0xffffff00, &DMAROUTE);
or_l(DMA0_REQ_AUDIO_1, &DMAROUTE);
DMACONFIG = 1; /* DMA0Req = PDOR3, DMA1Req = PDIR2 */
BCR0 = 0; /* No bytes waiting */
ICR6 = (6 << 2); /* Enable interrupt at level 6, priority 0 */
/* Setup Coldfire I2S before initializing hardware or changing
other settings. */
or_l(IIS_FIFO_RESET, &IIS_PLAY);
IIS_PLAY = IIS_PLAY_DEFPARM | IIS_FIFO_RESET;
audio_set_output_source(AUDIO_SRC_PLAYBACK);
/* Initialize default register values. */
audiohw_init();
audio_input_mux(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
audiohw_set_frequency(pcm_fsel);
coldfire_set_pllcr_audio_bits(PLLCR_SET_AUDIO_BITS_DEFPARM);
#if defined(HAVE_SPDIF_REC) || defined(HAVE_SPDIF_OUT)
spdif_init();
#endif
} /* pcm_play_dma_init */
int am_device_init(aud_dev_info* devinfo, void *dev_fmt, void *strm_fmt)
{
am_stream_format_info *sfmt = (am_stream_format_info*)strm_fmt;
am_dev_format_info *dfmt = (am_dev_format_info*)dev_fmt;
if (devinfo->dev_type == AUDIO_I2S_DEVICE) {
struct tegra_i2s_property i2sprop;
memset(&i2sprop, 0, sizeof(i2sprop));
if (sfmt) {
i2sprop.bit_size = sfmt->bitsize;
i2sprop.sample_rate = sfmt->samplerate;
}
if (dfmt) {
i2sprop.master_mode = dfmt->mastermode;
i2sprop.audio_mode = dfmt->audiomode;
i2sprop.clk_rate = dfmt->clkrate;
i2sprop.fifo_fmt = dfmt->fifofmt;
i2sprop.total_slots = dfmt->total_slots;
i2sprop.fsync_width = dfmt->fsync_width;
i2sprop.rx_slot_enables = dfmt->rx_slot_enables;
i2sprop.tx_slot_enables = dfmt->tx_slot_enables;
i2sprop.rx_bit_offset = dfmt->rx_bit_offset;
i2sprop.tx_bit_offset = dfmt->tx_bit_offset;
i2sprop.tdm_bitsize = dfmt->tdm_bitsize;
}
return i2s_init(devinfo->dev_id, &i2sprop);
} else if (devinfo->dev_type == AUDIO_SPDIF_DEVICE) {
struct tegra_spdif_property spdifprop;
memset(&spdifprop, 0, sizeof(spdifprop));
if (sfmt) {
spdifprop.bit_size = sfmt->bitsize;
spdifprop.sample_rate = sfmt->samplerate;
spdifprop.channels = sfmt->channels;
}
if (dfmt) {
spdifprop.clk_rate = dfmt->clkrate;
}
return spdif_init(
devinfo->base,
devinfo->phy_base,
devinfo->fifo_mode,
&spdifprop);
}
return 0;
}
int am_device_init(aud_dev_info* devinfo, void *dev_fmt, void *strm_fmt)
{
am_stream_format_info *sfmt = (am_stream_format_info*)strm_fmt;
am_dev_format_info *dfmt = (am_dev_format_info*)dev_fmt;
AM_DEBUG_PRINT("%s++\n", __func__);
if (devinfo->dev_type == AUDIO_I2S_DEVICE) {
struct tegra_i2s_property i2sprop;
memset(&i2sprop, 0, sizeof(i2sprop));
if (sfmt) {
i2sprop.bit_size = sfmt->bitsize;
i2sprop.sample_rate = sfmt->samplerate;
}
if (dfmt) {
i2sprop.master_mode = dfmt->mastermode;
i2sprop.audio_mode = dfmt->audiomode;
i2sprop.clk_rate = dfmt->clkrate;
i2sprop.fifo_fmt = dfmt->fifofmt;
}
return i2s_init(devinfo->dev_id, &i2sprop);
} else if (devinfo->dev_type == AUDIO_SPDIF_DEVICE) {
struct tegra_spdif_property spdifprop;
memset(&spdifprop, 0, sizeof(spdifprop));
if (sfmt) {
spdifprop.bit_size = sfmt->bitsize;
spdifprop.sample_rate = sfmt->samplerate;
spdifprop.channels = sfmt->channels;
}
if (dfmt) {
spdifprop.clk_rate = dfmt->clkrate;
}
return spdif_init(
devinfo->base,
devinfo->phy_base,
devinfo->fifo_mode,
&spdifprop);
}
return 0;
}
