static void tegra_aic326x_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(cpu_dai);
if (!i2s->is_dam_used)
return;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
tegra30_ahub_unset_rx_cif_source(
TEGRA30_AHUB_RXCIF_I2S0_RX0 + i2s->id);
tegra30_ahub_disable_clocks();
} else {
if (!i2s->is_call_mode_rec)
return;
i2s->is_call_mode_rec = 0;
/* disable the dams*/
tegra30_dam_enable(i2s->call_record_dam_ifc,
TEGRA30_DAM_DISABLE, TEGRA30_DAM_CHIN1);
tegra30_dam_enable(i2s->call_record_dam_ifc,
TEGRA30_DAM_DISABLE, TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_enable(i2s->call_record_dam_ifc2,
TEGRA30_DAM_DISABLE, TEGRA30_DAM_CHIN1);
tegra30_dam_enable(i2s->call_record_dam_ifc2,
TEGRA30_DAM_DISABLE, TEGRA30_DAM_CHIN0_SRC);
/* disconnect the ahub connections*/
tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
(i2s->call_record_dam_ifc2*2));
tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
(i2s->call_record_dam_ifc2*2));
tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
(i2s->call_record_dam_ifc*2));
tegra30_ahub_unset_rx_cif_source(i2s->rxcif);
/* free the dam channels and dam controllers */
tegra30_dam_disable_clock(i2s->call_record_dam_ifc);
tegra30_dam_free_channel(i2s->call_record_dam_ifc,
TEGRA30_DAM_CHIN1);
tegra30_dam_free_channel(i2s->call_record_dam_ifc,
TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_free_controller(i2s->call_record_dam_ifc);
tegra30_dam_disable_clock(i2s->call_record_dam_ifc2);
tegra30_dam_free_channel(i2s->call_record_dam_ifc2,
TEGRA30_DAM_CHIN1);
tegra30_dam_free_channel(i2s->call_record_dam_ifc2,
TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_free_controller(i2s->call_record_dam_ifc2);
}
return;
}
static void tegra_max98095_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(cpu_dai);
if ((substream->stream != SNDRV_PCM_STREAM_PLAYBACK) ||
!(i2s->is_dam_used))
return;
/* disable the dam*/
tegra30_dam_enable(i2s->dam_ifc, TEGRA30_DAM_DISABLE,
TEGRA30_DAM_CHIN1);
/* disconnect the ahub connections*/
tegra30_ahub_unset_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
(i2s->dam_ifc*2));
/* disable the dam and free the controller */
tegra30_dam_disable_clock(i2s->dam_ifc);
tegra30_dam_free_channel(i2s->dam_ifc, TEGRA30_DAM_CHIN1);
i2s->dam_ch_refcount--;
if (!i2s->dam_ch_refcount)
tegra30_dam_free_controller(i2s->dam_ifc);
return;
}
