diff options
| -rw-r--r-- | sound/soc/codecs/wm8904.c | 125 |
1 files changed, 120 insertions, 5 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index bac54c8e45a9..1c49e600eb6f 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -844,6 +844,26 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, return 0; } +static const char * const dmic_text[] = { + "DMIC1", "DMIC2" +}; + +static SOC_ENUM_SINGLE_DECL(dmic_enum, WM8904_DIGITAL_MICROPHONE_0, + WM8904_DMIC_SRC_SHIFT, dmic_text); + +static const struct snd_kcontrol_new dmic_mux = + SOC_DAPM_ENUM("DMIC Mux", dmic_enum); + +static const char * const cin_text[] = { + "ADC", "DMIC" +}; + +static SOC_ENUM_SINGLE_DECL(cin_enum, WM8904_DIGITAL_MICROPHONE_0, + WM8904_DMIC_ENA_SHIFT, cin_text); + +static const struct snd_kcontrol_new cin_mux = + SOC_DAPM_ENUM("Capture Input", cin_enum); + static const char *input_mode_text[] = { "Single-Ended", "Differential Line", "Differential Mic" }; @@ -963,6 +983,15 @@ SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), }; +static const struct snd_soc_dapm_widget wm8904_dmic_dapm_widgets[] = { +SND_SOC_DAPM_MUX("DMIC Mux", SND_SOC_NOPM, 0, 0, &dmic_mux), +}; + +static const struct snd_soc_dapm_widget wm8904_cin_dapm_widgets[] = { +SND_SOC_DAPM_MUX("Left Capture Input", SND_SOC_NOPM, 0, 0, &cin_mux), +SND_SOC_DAPM_MUX("Right Capture Input", SND_SOC_NOPM, 0, 0, &cin_mux), +}; + static const struct snd_soc_dapm_widget wm8904_dac_dapm_widgets[] = { SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), @@ -1101,12 +1130,45 @@ static const struct snd_soc_dapm_route adc_intercon[] = { { "AIFOUTR", NULL, "AIFOUTR Mux" }, { "ADCL", NULL, "CLK_DSP" }, - { "ADCL", NULL, "Left Capture PGA" }, - { "ADCR", NULL, "CLK_DSP" }, +}; + +/* No DMICs, always connect PGAs */ +static const struct snd_soc_dapm_route cin_nodmic_con[] = { + { "ADCL", NULL, "Left Capture PGA" }, { "ADCR", NULL, "Right Capture PGA" }, }; +/* DMIC system in use: mux between ADC and DMICDAT1, 2 or both */ +static const struct snd_soc_dapm_route cin_adc_dmic_con[] = { + { "Left Capture Input", "ADC", "Left Capture PGA" }, + { "Right Capture Input", "ADC", "Right Capture PGA" }, + + { "ADCL", NULL, "Left Capture Input" }, + { "ADCR", NULL, "Right Capture Input" }, +}; + +/* IN1L as DMICDAT1 */ +static const struct snd_soc_dapm_route cin_dmic1_con[] = { + { "Left Capture Input", "DMIC", "IN1L" }, + { "Right Capture Input", "DMIC", "IN1L" }, +}; + +/* IN1R as DMICDAT2 */ +static const struct snd_soc_dapm_route cin_dmic2_con[] = { + { "Left Capture Input", "DMIC", "IN1R" }, + { "Right Capture Input", "DMIC", "IN1R" }, +}; + +/* DMICDAT1 and DMICDAT2: mux between them, ADC still used for IN2 and IN3 */ +static const struct snd_soc_dapm_route cin_2dmics_con[] = { + { "DMIC Mux", "DMIC1", "IN1L" }, + { "DMIC Mux", "DMIC2", "IN1R" }, + + { "Left Capture Input", "DMIC", "DMIC Mux" }, + { "Right Capture Input", "DMIC", "DMIC Mux" }, +}; + static const struct snd_soc_dapm_route dac_intercon[] = { { "DACL Mux", "Left", "AIFINL" }, { "DACL Mux", "Right", "AIFINR" }, @@ -2050,18 +2112,70 @@ static void wm8904_handle_retune_mobile_pdata(struct snd_soc_component *componen "Failed to add ReTune Mobile control: %d\n", ret); } +static void wm8904_handle_dmic_pdata(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component); + struct wm8904_pdata *pdata = wm8904->pdata; + unsigned int dmic_src; + + if (!pdata->in1l_as_dmicdat1 && !pdata->in1r_as_dmicdat2) { + snd_soc_dapm_add_routes(dapm, cin_nodmic_con, + ARRAY_SIZE(cin_nodmic_con)); + snd_soc_component_update_bits(component, WM8904_DIGITAL_MICROPHONE_0, + WM8904_DMIC_ENA_MASK, 0); + return; + } + + /* Need a control and routing to switch between DMIC and ADC */ + snd_soc_dapm_new_controls(dapm, wm8904_cin_dapm_widgets, + ARRAY_SIZE(wm8904_cin_dapm_widgets)); + snd_soc_dapm_add_routes(dapm, cin_adc_dmic_con, + ARRAY_SIZE(cin_adc_dmic_con)); + + if (pdata->in1l_as_dmicdat1 && pdata->in1r_as_dmicdat2) { + /* Need a control and routing to mux between DMICDAT1 and 2 */ + dev_dbg(component->dev, "DMICDAT1 and DMICDAT2 in use\n"); + snd_soc_dapm_new_controls(dapm, wm8904_dmic_dapm_widgets, + ARRAY_SIZE(wm8904_dmic_dapm_widgets)); + snd_soc_dapm_add_routes(dapm, cin_2dmics_con, + ARRAY_SIZE(cin_2dmics_con)); + return; + } + + /* Either DMICDAT1 or DMICDAT2 is in use, not both */ + if (pdata->in1l_as_dmicdat1) { + dmic_src = 0; + snd_soc_dapm_add_routes(dapm, cin_dmic1_con, + ARRAY_SIZE(cin_dmic1_con)); + } else { + dmic_src = 1; + snd_soc_dapm_add_routes(dapm, cin_dmic2_con, + ARRAY_SIZE(cin_dmic2_con)); + } + dev_dbg(component->dev, "DMIC_SRC (0 or 1): %d\n", dmic_src); + snd_soc_component_update_bits(component, WM8904_DIGITAL_MICROPHONE_0, + WM8904_DMIC_SRC_MASK, + dmic_src << WM8904_DMIC_SRC_SHIFT); +} + static void wm8904_handle_pdata(struct snd_soc_component *component) { + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component); struct wm8904_pdata *pdata = wm8904->pdata; int ret, i; if (!pdata) { + snd_soc_dapm_add_routes(dapm, cin_nodmic_con, + ARRAY_SIZE(cin_nodmic_con)); snd_soc_add_component_controls(component, wm8904_eq_controls, - ARRAY_SIZE(wm8904_eq_controls)); + ARRAY_SIZE(wm8904_eq_controls)); return; } + wm8904_handle_dmic_pdata(component); + dev_dbg(component->dev, "%d DRC configurations\n", pdata->num_drc_cfgs); if (pdata->num_drc_cfgs) { @@ -2117,10 +2231,11 @@ static int wm8904_probe(struct snd_soc_component *component) return -EINVAL; } - wm8904_handle_pdata(component); - wm8904_add_widgets(component); + /* This can add dependent widgets, so it is done after add_widgets */ + wm8904_handle_pdata(component); + return 0; } |