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Diffstat (limited to 'sound/soc/codecs/msm8916-wcd-digital.c')
-rw-r--r--sound/soc/codecs/msm8916-wcd-digital.c282
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"},