C++ (Cpp) tegra30_dam_set_gain Examples

Example #1

File: tegra_max98088.c Project: marcero/android-tegra-nv-2.6.39-rel-14r7

static int tegra_max98088_set_dam_cif(int dam_ifc, int srate,
			int channels, int bit_size, int src_on, int src_srate,
			int src_channels, int src_bit_size)
{
	tegra30_dam_set_gain(dam_ifc, TEGRA30_DAM_CHIN1, 0x1000);
	tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHOUT,
				srate);
	tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHIN1,
				srate);
	tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN1,
		channels, bit_size, channels,
				bit_size);
	tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHOUT,
		channels, bit_size, channels,
				bit_size);

	if (src_on) {
		tegra30_dam_set_gain(dam_ifc, TEGRA30_DAM_CHIN0_SRC, 0x1000);
		tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
			src_srate);
		tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
			src_channels, src_bit_size, 1, 16);
	}

	return 0;
}

Example #2

File: tegra_aic326x.c Project: coreentin/android_kernel_nvidia_s8515

static int tegra_aic326x_set_dam_cif(int dam_ifc, int srate,
			int channels, int bit_size, int src_on, int src_srate,
			int src_channels, int src_bit_size)
{
	tegra30_dam_set_gain(dam_ifc, TEGRA30_DAM_CHIN1, 0x1000);
	tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHOUT,
				srate);
	tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHIN1,
				srate);
#ifndef CONFIG_ARCH_TEGRA_3x_SOC
	tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN1,
		channels, bit_size, channels,
				32);
	tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHOUT,
		channels, bit_size, channels,
				32);
#else
	tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN1,
		channels, bit_size, channels,
				bit_size);
	tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHOUT,
		channels, bit_size, channels,
				bit_size);
#endif

	if (src_on) {
		tegra30_dam_set_gain(dam_ifc, TEGRA30_DAM_CHIN0_SRC, 0x1000);
		tegra30_dam_set_samplerate(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
			src_srate);
#ifndef CONFIG_ARCH_TEGRA_3x_SOC
		tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
			src_channels, src_bit_size, 1, 32);
#else
		tegra30_dam_set_acif(dam_ifc, TEGRA30_DAM_CHIN0_SRC,
			src_channels, src_bit_size, 1, 16);
#endif
	}

	return 0;
}

Example #3

File: tegra_max98095.c Project: St3v3Ha11/android_kernel_acer_t30

static int tegra_max98095_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);

	if ((substream->stream != SNDRV_PCM_STREAM_PLAYBACK) ||
		!(i2s->is_dam_used))
		return 0;

	/*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_dam_set_gain(i2s->dam_ifc, TEGRA30_DAM_CHIN1, 0x1000);

	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);

	return 0;
}