static int tegra30_dam_runtime_resume(struct device *dev) { struct tegra30_dam_context *dam = dev_get_drvdata(dev); int ret; tegra30_ahub_enable_clocks(); ret = clk_prepare_enable(dam->dam_clk); if (ret) { dev_err(dev, "clk_enable failed: %d\n", ret); return ret; } regcache_cache_only(dam->regmap, false); return 0; }
int tegra30_ahub_set_rx_cif_stereo_conv(enum tegra30_ahub_rxcif rxcif) { int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0; unsigned int reg, val; tegra30_ahub_enable_clocks(); reg = TEGRA30_AHUB_CIF_RX_CTRL + (channel * TEGRA30_AHUB_CIF_RX_CTRL_STRIDE); val = tegra30_apbif_read(reg); val &= ~TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_MASK; val |= TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_AVG; tegra30_apbif_write(reg, val); tegra30_ahub_disable_clocks(); return 0; }
static int tegra30_dam_show(struct seq_file *s, void *unused) { #define REG(r) { r, #r } static const struct { int offset; const char *name; } regs[] = { REG(TEGRA30_DAM_CTRL), REG(TEGRA30_DAM_CLIP), REG(TEGRA30_DAM_CLIP_THRESHOLD), REG(TEGRA30_DAM_AUDIOCIF_OUT_CTRL), REG(TEGRA30_DAM_CH0_CTRL), REG(TEGRA30_DAM_CH0_CONV), REG(TEGRA30_DAM_AUDIOCIF_CH0_CTRL), REG(TEGRA30_DAM_CH1_CTRL), REG(TEGRA30_DAM_CH1_CONV), REG(TEGRA30_DAM_AUDIOCIF_CH1_CTRL), }; #undef REG struct tegra30_dam_context *dam = s->private; int i; tegra30_ahub_enable_clocks(); clk_enable(dam->dam_clk); for (i = 0; i < ARRAY_SIZE(regs); i++) { u32 val = tegra30_dam_readl(dam, regs[i].offset); seq_printf(s, "%s = %08x\n", regs[i].name, val); } clk_disable(dam->dam_clk); tegra30_ahub_disable_clocks(); return 0; }
static int tegra_dmic_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct tegra_dmic *dmic = snd_soc_dai_get_drvdata(dai); u32 dmic_cif_id; int ret = 0; mutex_lock(&dmic->mutex); tegra30_ahub_enable_clocks(); ret = clk_enable(dmic->clk); if (ret < 0) dev_err(dmic->dev, "Can't enable DMIC clock\n"); /* Obtain Rx FIFOs and setup connections. */ ret = tegra30_ahub_allocate_rx_fifo(&dmic->rx_cif, &dmic->capture_dma_data.addr, &dmic->capture_dma_data.req_sel); dmic->capture_dma_data.wrap = 4; dmic->capture_dma_data.width = 32; if (dai->id == TEGRA_DMIC_FRONT) dmic_cif_id = TEGRA30_AHUB_TXCIF_DMIC0_TX0; else if (dai->id == TEGRA_DMIC_BACK) dmic_cif_id = TEGRA30_AHUB_TXCIF_DMIC1_TX0; else return -EINVAL; tegra30_ahub_set_rx_cif_source(dmic->rx_cif, dmic_cif_id); mutex_unlock(&dmic->mutex); return ret; }
static void tegra30_spdif_enable_clocks(struct tegra30_spdif *spdif) { clk_enable(spdif->clk_spdif_out); tegra30_ahub_enable_clocks(); }
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; }