static int tegra_aic326x_bt_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct tegra_aic326x *machine = snd_soc_card_get_drvdata(card);
int err, srate, mclk, min_mclk, sample_size;
#ifndef CONFIG_ARCH_TEGRA_2x_SOC
struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(rtd->cpu_dai);
#endif
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
sample_size = 16;
break;
default:
return -EINVAL;
}
srate = params_rate(params);
mclk = tegra_aic326x_get_mclk(srate);
if (mclk < 0)
return mclk;
min_mclk = 64 * srate;
err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
if (err < 0) {
if (!(machine->util_data.set_mclk % min_mclk))
mclk = machine->util_data.set_mclk;
else {
dev_err(card->dev, "Can't configure clocks\n");
return err;
}
}
tegra_asoc_utils_lock_clk_rate(&machine->util_data, 1);
err = snd_soc_dai_set_fmt(rtd->cpu_dai,
SND_SOC_DAIFMT_DSP_A |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS);
if (err < 0) {
dev_err(rtd->codec->card->dev, "cpu_dai fmt not set\n");
return err;
}
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
err = tegra20_das_connect_dac_to_dap(TEGRA20_DAS_DAP_SEL_DAC2,
TEGRA20_DAS_DAP_ID_4);
if (err < 0) {
dev_err(card->dev, "failed to set dac-dap path\n");
return err;
}
err = tegra20_das_connect_dap_to_dac(TEGRA20_DAS_DAP_ID_4,
TEGRA20_DAS_DAP_SEL_DAC2);
if (err < 0) {
dev_err(card->dev, "failed to set dac-dap path\n");
return err;
}
#else
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && i2s->is_dam_used)
tegra_aic326x_set_dam_cif(i2s->dam_ifc, params_rate(params),
params_channels(params), sample_size, 0, 0, 0, 0);
#endif
return 0;
}
static int tegra_aic326x_startup(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);
struct tegra_aic326x *machine = snd_soc_card_get_drvdata(rtd->card);
struct codec_config *codec_info;
struct codec_config *bb_info;
int codec_index;
if (!i2s->is_dam_used)
return 0;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*dam configuration*/
if (!i2s->dam_ch_refcount)
i2s->dam_ifc = tegra30_dam_allocate_controller();
tegra30_dam_allocate_channel(i2s->dam_ifc, TEGRA30_DAM_CHIN1);
i2s->dam_ch_refcount++;
tegra30_dam_enable_clock(i2s->dam_ifc);
tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
(i2s->dam_ifc*2), i2s->txcif);
/*
*make the dam tx to i2s rx connection if this is the only client
*using i2s for playback
*/
if (i2s->playback_ref_count == 1)
tegra30_ahub_set_rx_cif_source(
TEGRA30_AHUB_RXCIF_I2S0_RX0 + i2s->id,
TEGRA30_AHUB_TXCIF_DAM0_TX0 + i2s->dam_ifc);
/* enable the dam*/
tegra30_dam_enable(i2s->dam_ifc, TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN1);
} else {
i2s->is_call_mode_rec = machine->is_call_mode;
if (!i2s->is_call_mode_rec)
return 0;
if (machine->is_device_bt)
codec_index = BT_SCO;
else
codec_index = HIFI_CODEC;
codec_info = &machine->codec_info[codec_index];
bb_info = &machine->codec_info[BASEBAND];
/* allocate a dam for voice call recording */
i2s->call_record_dam_ifc = tegra30_dam_allocate_controller();
tegra30_dam_allocate_channel(i2s->call_record_dam_ifc,
TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_allocate_channel(i2s->call_record_dam_ifc,
TEGRA30_DAM_CHIN1);
tegra30_dam_enable_clock(i2s->call_record_dam_ifc);
/* configure the dam */
tegra_aic326x_set_dam_cif(i2s->call_record_dam_ifc,
codec_info->rate, codec_info->channels,
codec_info->bitsize, 1, bb_info->rate,
bb_info->channels, bb_info->bitsize);
/* setup the connections for voice call record */
tegra30_ahub_unset_rx_cif_source(i2s->rxcif);
tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
(i2s->call_record_dam_ifc*2),
TEGRA30_AHUB_TXCIF_I2S0_TX0 + bb_info->i2s_id);
tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
(i2s->call_record_dam_ifc*2),
TEGRA30_AHUB_TXCIF_I2S0_TX0 + codec_info->i2s_id);
tegra30_ahub_set_rx_cif_source(i2s->rxcif,
TEGRA30_AHUB_TXCIF_DAM0_TX0 + i2s->call_record_dam_ifc);
/* enable the dam*/
tegra30_dam_enable(i2s->call_record_dam_ifc, TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN1);
tegra30_dam_enable(i2s->call_record_dam_ifc, TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN0_SRC);
}
return 0;
}
static int tegra_aic326x_startup(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);
struct tegra_aic326x *machine = snd_soc_card_get_drvdata(rtd->card);
struct codec_config *codec_info;
struct codec_config *bb_info;
struct codec_config *hifi_info;
int codec_index;
if (!i2s->is_dam_used)
return 0;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*
*make apbif tx to i2s rx connection if this is the only client
*using i2s for playback
*/
if (i2s->playback_ref_count == 1) {
tegra30_ahub_set_rx_cif_source(
TEGRA30_AHUB_RXCIF_I2S0_RX0 + i2s->id,
i2s->txcif);
tegra30_ahub_enable_clocks();
}
} else {
i2s->is_call_mode_rec = machine->is_call_mode;
if (!i2s->is_call_mode_rec)
return 0;
if (machine->is_device_bt)
codec_index = BT_SCO;
else
codec_index = VOICE_CODEC;
codec_info = &machine->codec_info[codec_index];
bb_info = &machine->codec_info[BASEBAND];
hifi_info = &machine->codec_info[HIFI_CODEC];
/* allocate a dams for voice call recording */
i2s->call_record_dam_ifc = tegra30_dam_allocate_controller();
if (i2s->call_record_dam_ifc < 0)
return i2s->call_record_dam_ifc;
tegra30_dam_allocate_channel(i2s->call_record_dam_ifc,
TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_allocate_channel(i2s->call_record_dam_ifc,
TEGRA30_DAM_CHIN1);
tegra30_dam_enable_clock(i2s->call_record_dam_ifc);
i2s->call_record_dam_ifc2 = tegra30_dam_allocate_controller();
if (i2s->call_record_dam_ifc2 < 0)
return i2s->call_record_dam_ifc2;
tegra30_dam_allocate_channel(i2s->call_record_dam_ifc2,
TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_allocate_channel(i2s->call_record_dam_ifc2,
TEGRA30_DAM_CHIN1);
tegra30_dam_enable_clock(i2s->call_record_dam_ifc2);
/* configure the dams */
/* DAM0 SRC bb rate to hifi rate */
tegra_aic326x_set_dam_cif(i2s->call_record_dam_ifc,
codec_info->rate, codec_info->channels,
codec_info->bitsize, 1, hifi_info->rate,
hifi_info->channels, hifi_info->bitsize);
/* DAM1 UL + DL Mix */
tegra_aic326x_set_dam_cif(i2s->call_record_dam_ifc2,
codec_info->rate, codec_info->channels,
codec_info->bitsize, 1, bb_info->rate,
bb_info->channels, bb_info->bitsize);
/* setup the connections for voice call record */
tegra30_ahub_unset_rx_cif_source(i2s->rxcif);
tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
(i2s->call_record_dam_ifc2*2),
TEGRA30_AHUB_TXCIF_I2S0_TX0 + bb_info->i2s_id);
tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX1 +
(i2s->call_record_dam_ifc2*2),
TEGRA30_AHUB_TXCIF_I2S0_TX0 + codec_info->i2s_id);
tegra30_ahub_set_rx_cif_source(TEGRA30_AHUB_RXCIF_DAM0_RX0 +
(i2s->call_record_dam_ifc*2),
TEGRA30_AHUB_TXCIF_DAM0_TX0 +
i2s->call_record_dam_ifc2);
tegra30_ahub_set_rx_cif_source(i2s->rxcif,
TEGRA30_AHUB_TXCIF_DAM0_TX0 + i2s->call_record_dam_ifc);
#ifndef CONFIG_ARCH_TEGRA_3x_SOC
/* Configure DAM0 for SRC */
if (bb_info->rate != hifi_info->rate) {
tegra30_dam_write_coeff_ram(i2s->call_record_dam_ifc,
bb_info->rate, hifi_info->rate);
tegra30_dam_set_farrow_param(i2s->call_record_dam_ifc,
bb_info->rate, hifi_info->rate);
tegra30_dam_set_biquad_fixed_coef(
i2s->call_record_dam_ifc);
tegra30_dam_enable_coeff_ram(i2s->call_record_dam_ifc);
tegra30_dam_set_filter_stages(i2s->call_record_dam_ifc,
bb_info->rate,
hifi_info->rate);
}
#endif
/* enable the dam */
tegra30_dam_enable(i2s->call_record_dam_ifc, TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN1);
tegra30_dam_enable(i2s->call_record_dam_ifc, TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN0_SRC);
tegra30_dam_enable(i2s->call_record_dam_ifc2,
TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN1);
tegra30_dam_enable(i2s->call_record_dam_ifc2,
TEGRA30_DAM_ENABLE,
TEGRA30_DAM_CHIN0_SRC);
}
return 0;
}