diff options
Diffstat (limited to 'sound/soc/codecs/msm8916-wcd-digital.c')
| -rw-r--r-- | sound/soc/codecs/msm8916-wcd-digital.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c index a63961861e55..1db7e43ec203 100644 --- a/sound/soc/codecs/msm8916-wcd-digital.c +++ b/sound/soc/codecs/msm8916-wcd-digital.c @@ -187,6 +187,43 @@ #define MSM8916_WCD_DIGITAL_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ SNDRV_PCM_FMTBIT_S32_LE) +/* Codec supports 2 IIR filters */ +enum { + IIR1 = 0, + IIR2, + IIR_MAX, +}; + +/* Codec supports 5 bands */ +enum { + BAND1 = 0, + BAND2, + BAND3, + BAND4, + BAND5, + BAND_MAX, +}; + +#define WCD_IIR_FILTER_SIZE (sizeof(u32)*BAND_MAX) + +#define WCD_IIR_FILTER_CTL(xname, iidx, bidx) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = wcd_iir_filter_info, \ + .get = msm8x16_wcd_get_iir_band_audio_mixer, \ + .put = msm8x16_wcd_put_iir_band_audio_mixer, \ + .private_value = (unsigned long)&(struct wcd_iir_filter_ctl) { \ + .iir_idx = iidx, \ + .band_idx = bidx, \ + .bytes_ext = {.max = WCD_IIR_FILTER_SIZE, }, \ + } \ +} + +struct wcd_iir_filter_ctl { + unsigned int iir_idx; + unsigned int band_idx; + struct soc_bytes_ext bytes_ext; +}; + struct msm8916_wcd_digital_priv { struct clk *ahbclk, *mclk; }; @@ -298,6 +335,161 @@ static SOC_ENUM_SINGLE_DECL(rx2_dcb_cutoff_enum, LPASS_CDC_RX2_B4_CTL, 0, static SOC_ENUM_SINGLE_DECL(rx3_dcb_cutoff_enum, LPASS_CDC_RX3_B4_CTL, 0, dc_blocker_cutoff_text); +static int msm8x16_wcd_codec_set_iir_gain(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + int value = 0, reg = 0; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + if (w->shift == 0) + reg = LPASS_CDC_IIR1_GAIN_B1_CTL; + else if (w->shift == 1) + reg = LPASS_CDC_IIR2_GAIN_B1_CTL; + value = snd_soc_component_read32(component, reg); + snd_soc_component_write(component, reg, value); + break; + default: + break; + } + return 0; +} + +static uint32_t get_iir_band_coeff(struct snd_soc_component *component, + int iir_idx, int band_idx, + int coeff_idx) +{ + uint32_t value = 0; + + /* Address does not automatically update if reading */ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t)) & 0x7F); + + value |= snd_soc_component_read32(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 1) & 0x7F); + + value |= (snd_soc_component_read32(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 8); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 2) & 0x7F); + + value |= (snd_soc_component_read32(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 16); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 3) & 0x7F); + + /* Mask bits top 2 bits since they are reserved */ + value |= ((snd_soc_component_read32(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) & 0x3f) << 24); + return value; + +} + +static int msm8x16_wcd_get_iir_band_audio_mixer( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + int iir_idx = ctl->iir_idx; + int band_idx = ctl->band_idx; + u32 coeff[BAND_MAX]; + + coeff[0] = get_iir_band_coeff(component, iir_idx, band_idx, 0); + coeff[1] = get_iir_band_coeff(component, iir_idx, band_idx, 1); + coeff[2] = get_iir_band_coeff(component, iir_idx, band_idx, 2); + coeff[3] = get_iir_band_coeff(component, iir_idx, band_idx, 3); + coeff[4] = get_iir_band_coeff(component, iir_idx, band_idx, 4); + + memcpy(ucontrol->value.bytes.data, &coeff[0], params->max); + + return 0; +} + +static void set_iir_band_coeff(struct snd_soc_component *component, + int iir_idx, int band_idx, + uint32_t value) +{ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value & 0xFF)); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value >> 8) & 0xFF); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value >> 16) & 0xFF); + + /* Mask top 2 bits, 7-8 are reserved */ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value >> 24) & 0x3F); +} + +static int msm8x16_wcd_put_iir_band_audio_mixer( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + int iir_idx = ctl->iir_idx; + int band_idx = ctl->band_idx; + u32 coeff[BAND_MAX]; + + memcpy(&coeff[0], ucontrol->value.bytes.data, params->max); + + /* Mask top bit it is reserved */ + /* Updates addr automatically for each B2 write */ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + (band_idx * BAND_MAX * sizeof(uint32_t)) & 0x7F); + + set_iir_band_coeff(component, iir_idx, band_idx, coeff[0]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[1]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[2]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[3]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[4]); + + return 0; +} + +static int wcd_iir_filter_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *ucontrol) +{ + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + + ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; + ucontrol->count = params->max; + + return 0; +} + static const struct snd_kcontrol_new msm8916_wcd_digital_snd_controls[] = { SOC_SINGLE_S8_TLV("RX1 Digital Volume", LPASS_CDC_RX1_VOL_CTL_B2_CTL, -128, 127, digital_gain), @@ -322,6 +514,44 @@ static const struct snd_kcontrol_new msm8916_wcd_digital_snd_controls[] = { SOC_SINGLE("RX1 Mute Switch", LPASS_CDC_RX1_B6_CTL, 0, 1, 0), SOC_SINGLE("RX2 Mute Switch", LPASS_CDC_RX2_B6_CTL, 0, 1, 0), SOC_SINGLE("RX3 Mute Switch", LPASS_CDC_RX3_B6_CTL, 0, 1, 0), + + SOC_SINGLE("IIR1 Band1 Switch", LPASS_CDC_IIR1_CTL, 0, 1, 0), + SOC_SINGLE("IIR1 Band2 Switch", LPASS_CDC_IIR1_CTL, 1, 1, 0), + SOC_SINGLE("IIR1 Band3 Switch", LPASS_CDC_IIR1_CTL, 2, 1, 0), + SOC_SINGLE("IIR1 Band4 Switch", LPASS_CDC_IIR1_CTL, 3, 1, 0), + SOC_SINGLE("IIR1 Band5 Switch", LPASS_CDC_IIR1_CTL, 4, 1, 0), + SOC_SINGLE("IIR2 Band1 Switch", LPASS_CDC_IIR2_CTL, 0, 1, 0), + SOC_SINGLE("IIR2 Band2 Switch", LPASS_CDC_IIR2_CTL, 1, 1, 0), + SOC_SINGLE("IIR2 Band3 Switch", LPASS_CDC_IIR2_CTL, 2, 1, 0), + SOC_SINGLE("IIR2 Band4 Switch", LPASS_CDC_IIR2_CTL, 3, 1, 0), + SOC_SINGLE("IIR2 Band5 Switch", LPASS_CDC_IIR2_CTL, 4, 1, 0), + WCD_IIR_FILTER_CTL("IIR1 Band1", IIR1, BAND1), + WCD_IIR_FILTER_CTL("IIR1 Band2", IIR1, BAND2), + WCD_IIR_FILTER_CTL("IIR1 Band3", IIR1, BAND3), + WCD_IIR_FILTER_CTL("IIR1 Band4", IIR1, BAND4), + WCD_IIR_FILTER_CTL("IIR1 Band5", IIR1, BAND5), + WCD_IIR_FILTER_CTL("IIR2 Band1", IIR2, BAND1), + WCD_IIR_FILTER_CTL("IIR2 Band2", IIR2, BAND2), + WCD_IIR_FILTER_CTL("IIR2 Band3", IIR2, BAND3), + WCD_IIR_FILTER_CTL("IIR2 Band4", IIR2, BAND4), + WCD_IIR_FILTER_CTL("IIR2 Band5", IIR2, BAND5), + SOC_SINGLE_SX_TLV("IIR1 INP1 Volume", LPASS_CDC_IIR1_GAIN_B1_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR1 INP2 Volume", LPASS_CDC_IIR1_GAIN_B2_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR1 INP3 Volume", LPASS_CDC_IIR1_GAIN_B3_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR1 INP4 Volume", LPASS_CDC_IIR1_GAIN_B4_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR2 INP1 Volume", LPASS_CDC_IIR2_GAIN_B1_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR2 INP2 Volume", LPASS_CDC_IIR2_GAIN_B2_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR2 INP3 Volume", LPASS_CDC_IIR2_GAIN_B3_CTL, + 0, -84, 40, digital_gain), + SOC_SINGLE_SX_TLV("IIR2 INP4 Volume", LPASS_CDC_IIR2_GAIN_B4_CTL, + 0, -84, 40, digital_gain), + }; static int msm8916_wcd_digital_enable_interpolator( @@ -448,6 +678,24 @@ static int msm8916_wcd_digital_enable_dmic(struct snd_soc_dapm_widget *w, return 0; } +static const char * const iir_inp1_text[] = { + "ZERO", "DEC1", "DEC2", "RX1", "RX2", "RX3" +}; + +static const struct soc_enum iir1_inp1_mux_enum = + SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ1_B1_CTL, + 0, 6, iir_inp1_text); + +static const struct soc_enum iir2_inp1_mux_enum = + SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ2_B1_CTL, + 0, 6, iir_inp1_text); + +static const struct snd_kcontrol_new iir1_inp1_mux = + SOC_DAPM_ENUM("IIR1 INP1 Mux", iir1_inp1_mux_enum); + +static const struct snd_kcontrol_new iir2_inp1_mux = + SOC_DAPM_ENUM("IIR2 INP1 Mux", iir2_inp1_mux_enum); + static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = { /*RX stuff */ SND_SOC_DAPM_AIF_IN("I2S RX1", NULL, 0, SND_SOC_NOPM, 0, 0), @@ -534,6 +782,15 @@ static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = { SND_SOC_DAPM_MIC("Digital Mic1", NULL), SND_SOC_DAPM_MIC("Digital Mic2", NULL), + /* Sidetone */ + SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux), + SND_SOC_DAPM_PGA_E("IIR1", LPASS_CDC_CLK_SD_CTL, 0, 0, NULL, 0, + msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU), + + SND_SOC_DAPM_MUX("IIR2 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir2_inp1_mux), + SND_SOC_DAPM_PGA_E("IIR2", LPASS_CDC_CLK_SD_CTL, 1, 0, NULL, 0, + msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU), + }; static int msm8916_wcd_digital_get_clks(struct platform_device *pdev, @@ -708,10 +965,14 @@ static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = { {"RX1 MIX1 INP1", "RX1", "I2S RX1"}, {"RX1 MIX1 INP1", "RX2", "I2S RX2"}, {"RX1 MIX1 INP1", "RX3", "I2S RX3"}, + {"RX1 MIX1 INP1", "IIR1", "IIR1"}, + {"RX1 MIX1 INP1", "IIR2", "IIR2"}, {"RX1 MIX1 INP2", "RX1", "I2S RX1"}, {"RX1 MIX1 INP2", "RX2", "I2S RX2"}, {"RX1 MIX1 INP2", "RX3", "I2S RX3"}, + {"RX1 MIX1 INP2", "IIR1", "IIR1"}, + {"RX1 MIX1 INP2", "IIR2", "IIR2"}, {"RX1 MIX1 INP3", "RX1", "I2S RX1"}, {"RX1 MIX1 INP3", "RX2", "I2S RX2"}, @@ -728,10 +989,14 @@ static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = { {"RX2 MIX1 INP1", "RX1", "I2S RX1"}, {"RX2 MIX1 INP1", "RX2", "I2S RX2"}, {"RX2 MIX1 INP1", "RX3", "I2S RX3"}, + {"RX2 MIX1 INP1", "IIR1", "IIR1"}, + {"RX2 MIX1 INP1", "IIR2", "IIR2"}, {"RX2 MIX1 INP2", "RX1", "I2S RX1"}, {"RX2 MIX1 INP2", "RX2", "I2S RX2"}, {"RX2 MIX1 INP2", "RX3", "I2S RX3"}, + {"RX2 MIX1 INP1", "IIR1", "IIR1"}, + {"RX2 MIX1 INP1", "IIR2", "IIR2"}, {"RX2 MIX1 INP3", "RX1", "I2S RX1"}, {"RX2 MIX1 INP3", "RX2", "I2S RX2"}, @@ -748,10 +1013,27 @@ static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = { {"RX3 MIX1 INP1", "RX1", "I2S RX1"}, {"RX3 MIX1 INP1", "RX2", "I2S RX2"}, {"RX3 MIX1 INP1", "RX3", "I2S RX3"}, + {"RX3 MIX1 INP1", "IIR1", "IIR1"}, + {"RX3 MIX1 INP1", "IIR2", "IIR2"}, {"RX3 MIX1 INP2", "RX1", "I2S RX1"}, {"RX3 MIX1 INP2", "RX2", "I2S RX2"}, {"RX3 MIX1 INP2", "RX3", "I2S RX3"}, + {"RX3 MIX1 INP2", "IIR1", "IIR1"}, + {"RX3 MIX1 INP2", "IIR2", "IIR2"}, + + {"RX1 MIX2 INP1", "IIR1", "IIR1"}, + {"RX2 MIX2 INP1", "IIR1", "IIR1"}, + {"RX1 MIX2 INP1", "IIR2", "IIR2"}, + {"RX2 MIX2 INP1", "IIR2", "IIR2"}, + + {"IIR1", NULL, "IIR1 INP1 MUX"}, + {"IIR1 INP1 MUX", "DEC1", "DEC1 MUX"}, + {"IIR1 INP1 MUX", "DEC2", "DEC2 MUX"}, + + {"IIR2", NULL, "IIR2 INP1 MUX"}, + {"IIR2 INP1 MUX", "DEC1", "DEC1 MUX"}, + {"IIR2 INP1 MUX", "DEC2", "DEC2 MUX"}, {"RX3 MIX1 INP3", "RX1", "I2S RX1"}, {"RX3 MIX1 INP3", "RX2", "I2S RX2"}, |