This patch adds basic controls found in wcd9335 codec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
---
 sound/soc/codecs/wcd9335.c | 371 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 371 insertions(+)

diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c
index 7fe746271e48..e1f63d8cc7d4 100644
--- a/sound/soc/codecs/wcd9335.c
+++ b/sound/soc/codecs/wcd9335.c
@@ -104,6 +104,18 @@ enum {
        NUM_CODEC_DAIS,
 };
 
+enum {
+       COMPANDER_1, /* HPH_L */
+       COMPANDER_2, /* HPH_R */
+       COMPANDER_3, /* LO1_DIFF */
+       COMPANDER_4, /* LO2_DIFF */
+       COMPANDER_5, /* LO3_SE */
+       COMPANDER_6, /* LO4_SE */
+       COMPANDER_7, /* SWR SPK CH1 */
+       COMPANDER_8, /* SWR SPK CH2 */
+       COMPANDER_MAX,
+};
+
 enum {
        INTn_2_INP_SEL_ZERO = 0,
        INTn_2_INP_SEL_RX0,
@@ -184,6 +196,7 @@ struct wcd9335_codec {
 
        struct wcd_clsh_ctrl *clsh_ctrl;
        u32 hph_mode;
+       int comp_enabled[COMPANDER_MAX];
 };
 
 static const struct wcd9335_slim_ch wcd9335_rx_chs[WCD9335_RX_MAX] = {
@@ -295,6 +308,118 @@ static const struct wcd9335_reg_mask_val 
wcd9335_codec_reg_init_common_val[] = {
        {WCD9335_VBADC_IBIAS_FE, 0x0C, 0x08},
 };
 
+/* Cutoff frequency for high pass filter */
+static const char * const cf_text[] = {
+       "CF_NEG_3DB_4HZ", "CF_NEG_3DB_75HZ", "CF_NEG_3DB_150HZ"
+};
+
+static const char * const rx_cf_text[] = {
+       "CF_NEG_3DB_4HZ", "CF_NEG_3DB_75HZ", "CF_NEG_3DB_150HZ",
+       "CF_NEG_3DB_0P48HZ"
+};
+
+static const char * const wcd9335_ear_pa_gain_text[] = {
+       "G_6_DB", "G_4P5_DB", "G_3_DB", "G_1P5_DB",
+       "G_0_DB", "G_M2P5_DB", "UNDEFINED", "G_M12_DB"
+};
+
+static const char * const rx_hph_mode_mux_text[] = {
+       "CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", "CLS_H_LOHIFI"
+};
+
+static const DECLARE_TLV_DB_SCALE(digital_gain, 0, 1, 0);
+static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
+static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
+
+static const struct soc_enum wcd9335_ear_pa_gain_enum =
+       SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(wcd9335_ear_pa_gain_text),
+                       wcd9335_ear_pa_gain_text);
+
+static const struct soc_enum cf_dec0_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX0_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX1_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec2_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX2_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec3_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX3_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec4_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX4_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec5_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX5_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec6_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX6_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec7_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX7_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_dec8_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_TX8_TX_PATH_CFG0, 5, 3, cf_text);
+
+static const struct soc_enum cf_int0_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX0_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int0_2_enum, WCD9335_CDC_RX0_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int1_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX1_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int1_2_enum, WCD9335_CDC_RX1_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int2_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX2_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int2_2_enum, WCD9335_CDC_RX2_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int3_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX3_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int3_2_enum, WCD9335_CDC_RX3_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int4_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX4_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int4_2_enum, WCD9335_CDC_RX4_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int5_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX5_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int5_2_enum, WCD9335_CDC_RX5_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int6_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX6_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int6_2_enum, WCD9335_CDC_RX6_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int7_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX7_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int7_2_enum, WCD9335_CDC_RX7_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum cf_int8_1_enum =
+       SOC_ENUM_SINGLE(WCD9335_CDC_RX8_RX_PATH_CFG2, 0, 4, rx_cf_text);
+
+static SOC_ENUM_SINGLE_DECL(cf_int8_2_enum, WCD9335_CDC_RX8_RX_PATH_MIX_CFG, 2,
+                    rx_cf_text);
+
+static const struct soc_enum rx_hph_mode_mux_enum =
+       SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text),
+                           rx_hph_mode_mux_text);
+
 static int wcd9335_set_mix_interpolator_rate(struct snd_soc_dai *dai,
                                             int rate_val,
                                             u32 rate)
@@ -670,6 +795,250 @@ static struct snd_soc_dai_driver wcd9335_slim_dai[] = {
        },
 };
 
+static int wcd9335_get_compander(struct snd_kcontrol *kc,
+                              struct snd_ctl_elem_value *ucontrol)
+{
+
+       struct snd_soc_component *component = snd_soc_kcontrol_component(kc);
+       int comp = ((struct soc_mixer_control *)kc->private_value)->shift;
+       struct wcd9335_codec *wcd = dev_get_drvdata(component->dev);
+
+       ucontrol->value.integer.value[0] = wcd->comp_enabled[comp];
+       return 0;
+}
+
+static int wcd9335_set_compander(struct snd_kcontrol *kc,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component = snd_soc_kcontrol_component(kc);
+       struct wcd9335_codec *wcd = dev_get_drvdata(component->dev);
+       int comp = ((struct soc_mixer_control *) kc->private_value)->shift;
+       int value = ucontrol->value.integer.value[0];
+       int sel;
+
+       wcd->comp_enabled[comp] = value;
+       sel = value ? WCD9335_HPH_GAIN_SRC_SEL_COMPANDER :
+               WCD9335_HPH_GAIN_SRC_SEL_REGISTER;
+
+       /* Any specific register configuration for compander */
+       switch (comp) {
+       case COMPANDER_1:
+               /* Set Gain Source Select based on compander enable/disable */
+               snd_soc_component_update_bits(component, WCD9335_HPH_L_EN,
+                                     WCD9335_HPH_GAIN_SRC_SEL_MASK, sel);
+               break;
+       case COMPANDER_2:
+               snd_soc_component_update_bits(component, WCD9335_HPH_R_EN,
+                                     WCD9335_HPH_GAIN_SRC_SEL_MASK, sel);
+               break;
+       case COMPANDER_3:
+               break;
+       case COMPANDER_4:
+               break;
+       case COMPANDER_5:
+               snd_soc_component_update_bits(component, WCD9335_SE_LO_LO3_GAIN,
+                                     WCD9335_HPH_GAIN_SRC_SEL_MASK, sel);
+               break;
+       case COMPANDER_6:
+               snd_soc_component_update_bits(component, WCD9335_SE_LO_LO4_GAIN,
+                                     WCD9335_HPH_GAIN_SRC_SEL_MASK, sel);
+               break;
+       case COMPANDER_7:
+               break;
+       case COMPANDER_8:
+               break;
+       default:
+               /*
+                * if compander is not enabled for any interpolator,
+                * it does not cause any audio failure, so do not
+                * return error in this case, but just print a log
+                */
+               dev_warn(component->dev, "%s: unknown compander: %d\n",
+                       __func__, comp);
+       };
+       return 0;
+}
+
+static int wcd9335_rx_hph_mode_get(struct snd_kcontrol *kc,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component = snd_soc_kcontrol_component(kc);
+       struct wcd9335_codec *wcd = dev_get_drvdata(component->dev);
+
+       ucontrol->value.integer.value[0] = wcd->hph_mode;
+
+       return 0;
+}
+
+static int wcd9335_rx_hph_mode_put(struct snd_kcontrol *kc,
+                                struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component = snd_soc_kcontrol_component(kc);
+       struct wcd9335_codec *wcd = dev_get_drvdata(component->dev);
+       u32 mode_val;
+
+       mode_val = ucontrol->value.enumerated.item[0];
+
+       if (mode_val == 0) {
+               dev_err(wcd->dev, "Invalid HPH Mode, default to ClSH HiFi\n");
+               mode_val = CLS_H_HIFI;
+       }
+       wcd->hph_mode = mode_val;
+
+       return 0;
+}
+
+static int wcd9335_ear_pa_gain_get(struct snd_kcontrol *kc,
+                                  struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component = snd_soc_kcontrol_component(kc);
+       int ear_pa_gain;
+
+       ear_pa_gain = snd_soc_component_read32(component, WCD9335_ANA_EAR);
+       ear_pa_gain = (ear_pa_gain & 0x70) >> 4;
+       ucontrol->value.integer.value[0] = ear_pa_gain;
+
+       return 0;
+}
+
+static int wcd9335_ear_pa_gain_put(struct snd_kcontrol *kc,
+                                  struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component = snd_soc_kcontrol_component(kc);
+       u8 ear_pa_gain;
+
+       ear_pa_gain =  ucontrol->value.integer.value[0] << 4;
+       snd_soc_component_update_bits(component, WCD9335_ANA_EAR,
+                                       0x70, ear_pa_gain);
+
+       return 0;
+}
+
+static const struct snd_kcontrol_new wcd9335_snd_controls[] = {
+       /* -84dB min - 40dB max */
+       SOC_SINGLE_SX_TLV("RX0 Digital Volume", WCD9335_CDC_RX0_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX1 Digital Volume", WCD9335_CDC_RX1_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX2 Digital Volume", WCD9335_CDC_RX2_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX3 Digital Volume", WCD9335_CDC_RX3_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX4 Digital Volume", WCD9335_CDC_RX4_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX5 Digital Volume", WCD9335_CDC_RX5_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX6 Digital Volume", WCD9335_CDC_RX6_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX7 Digital Volume", WCD9335_CDC_RX7_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX8 Digital Volume", WCD9335_CDC_RX8_RX_VOL_CTL,
+               0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX0 Mix Digital Volume",
+                         WCD9335_CDC_RX0_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX1 Mix Digital Volume",
+                         WCD9335_CDC_RX1_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX2 Mix Digital Volume",
+                         WCD9335_CDC_RX2_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX3 Mix Digital Volume",
+                         WCD9335_CDC_RX3_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX4 Mix Digital Volume",
+                         WCD9335_CDC_RX4_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX5 Mix Digital Volume",
+                         WCD9335_CDC_RX5_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX6 Mix Digital Volume",
+                         WCD9335_CDC_RX6_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX7 Mix Digital Volume",
+                         WCD9335_CDC_RX7_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_SINGLE_SX_TLV("RX8 Mix Digital Volume",
+                         WCD9335_CDC_RX8_RX_VOL_MIX_CTL,
+                         0, -84, 40, digital_gain),
+       SOC_ENUM("RX INT0_1 HPF cut off", cf_int0_1_enum),
+       SOC_ENUM("RX INT0_2 HPF cut off", cf_int0_2_enum),
+       SOC_ENUM("RX INT1_1 HPF cut off", cf_int1_1_enum),
+       SOC_ENUM("RX INT1_2 HPF cut off", cf_int1_2_enum),
+       SOC_ENUM("RX INT2_1 HPF cut off", cf_int2_1_enum),
+       SOC_ENUM("RX INT2_2 HPF cut off", cf_int2_2_enum),
+       SOC_ENUM("RX INT3_1 HPF cut off", cf_int3_1_enum),
+       SOC_ENUM("RX INT3_2 HPF cut off", cf_int3_2_enum),
+       SOC_ENUM("RX INT4_1 HPF cut off", cf_int4_1_enum),
+       SOC_ENUM("RX INT4_2 HPF cut off", cf_int4_2_enum),
+       SOC_ENUM("RX INT5_1 HPF cut off", cf_int5_1_enum),
+       SOC_ENUM("RX INT5_2 HPF cut off", cf_int5_2_enum),
+       SOC_ENUM("RX INT6_1 HPF cut off", cf_int6_1_enum),
+       SOC_ENUM("RX INT6_2 HPF cut off", cf_int6_2_enum),
+       SOC_ENUM("RX INT7_1 HPF cut off", cf_int7_1_enum),
+       SOC_ENUM("RX INT7_2 HPF cut off", cf_int7_2_enum),
+       SOC_ENUM("RX INT8_1 HPF cut off", cf_int8_1_enum),
+       SOC_ENUM("RX INT8_2 HPF cut off", cf_int8_2_enum),
+       SOC_SINGLE_EXT("COMP1 Switch", SND_SOC_NOPM, COMPANDER_1, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP2 Switch", SND_SOC_NOPM, COMPANDER_2, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP3 Switch", SND_SOC_NOPM, COMPANDER_3, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP4 Switch", SND_SOC_NOPM, COMPANDER_4, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP5 Switch", SND_SOC_NOPM, COMPANDER_5, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP6 Switch", SND_SOC_NOPM, COMPANDER_6, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP7 Switch", SND_SOC_NOPM, COMPANDER_7, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_SINGLE_EXT("COMP8 Switch", SND_SOC_NOPM, COMPANDER_8, 1, 0,
+                      wcd9335_get_compander, wcd9335_set_compander),
+       SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum,
+                      wcd9335_rx_hph_mode_get, wcd9335_rx_hph_mode_put),
+
+       /* Gain Controls */
+       SOC_ENUM_EXT("EAR PA Gain", wcd9335_ear_pa_gain_enum,
+               wcd9335_ear_pa_gain_get, wcd9335_ear_pa_gain_put),
+
+       SOC_SINGLE_TLV("HPHL Volume", WCD9335_HPH_L_EN, 0, 20, 1,
+               line_gain),
+       SOC_SINGLE_TLV("HPHR Volume", WCD9335_HPH_R_EN, 0, 20, 1,
+               line_gain),
+       SOC_SINGLE_TLV("LINEOUT1 Volume", WCD9335_DIFF_LO_LO1_COMPANDER,
+                       3, 16, 1, line_gain),
+       SOC_SINGLE_TLV("LINEOUT2 Volume", WCD9335_DIFF_LO_LO2_COMPANDER,
+                       3, 16, 1, line_gain),
+       SOC_SINGLE_TLV("LINEOUT3 Volume", WCD9335_SE_LO_LO3_GAIN, 0, 20, 1,
+                       line_gain),
+       SOC_SINGLE_TLV("LINEOUT4 Volume", WCD9335_SE_LO_LO4_GAIN, 0, 20, 1,
+                       line_gain),
+
+       SOC_SINGLE_TLV("ADC1 Volume", WCD9335_ANA_AMIC1, 0, 20, 0,
+                       analog_gain),
+       SOC_SINGLE_TLV("ADC2 Volume", WCD9335_ANA_AMIC2, 0, 20, 0,
+                       analog_gain),
+       SOC_SINGLE_TLV("ADC3 Volume", WCD9335_ANA_AMIC3, 0, 20, 0,
+                       analog_gain),
+       SOC_SINGLE_TLV("ADC4 Volume", WCD9335_ANA_AMIC4, 0, 20, 0,
+                       analog_gain),
+       SOC_SINGLE_TLV("ADC5 Volume", WCD9335_ANA_AMIC5, 0, 20, 0,
+                       analog_gain),
+       SOC_SINGLE_TLV("ADC6 Volume", WCD9335_ANA_AMIC6, 0, 20, 0,
+                       analog_gain),
+
+       SOC_ENUM("TX0 HPF cut off", cf_dec0_enum),
+       SOC_ENUM("TX1 HPF cut off", cf_dec1_enum),
+       SOC_ENUM("TX2 HPF cut off", cf_dec2_enum),
+       SOC_ENUM("TX3 HPF cut off", cf_dec3_enum),
+       SOC_ENUM("TX4 HPF cut off", cf_dec4_enum),
+       SOC_ENUM("TX5 HPF cut off", cf_dec5_enum),
+       SOC_ENUM("TX6 HPF cut off", cf_dec6_enum),
+       SOC_ENUM("TX7 HPF cut off", cf_dec7_enum),
+       SOC_ENUM("TX8 HPF cut off", cf_dec8_enum),
+};
+
 static irqreturn_t wcd9335_slimbus_irq(int irq, void *data)
 {
        struct wcd9335_codec *wcd = data;
@@ -1119,6 +1488,8 @@ static const struct snd_soc_component_driver 
wcd9335_component_drv = {
        .probe = wcd9335_codec_probe,
        .remove = wcd9335_codec_remove,
        .set_sysclk = wcd9335_codec_set_sysclk,
+       .controls = wcd9335_snd_controls,
+       .num_controls = ARRAY_SIZE(wcd9335_snd_controls),
 };
 
 static int wcd9335_probe(struct platform_device *pdev)
-- 
2.16.2

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