Merge remote-tracking branch 'linux-2.6.32.y/master' into develop
[firefly-linux-kernel-4.4.55.git] / sound / soc / codecs / wm_hubs.c
old mode 100644 (file)
new mode 100755 (executable)
index 12506dc..e1924d5
@@ -62,36 +62,108 @@ static const char *speaker_mode_text[] = {
 static const struct soc_enum speaker_mode =
        SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
 
-static void wait_for_dc_servo(struct snd_soc_codec *codec)
+static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
 {
        unsigned int reg;
        int count = 0;
+       unsigned int val;
+
+       val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
+
+       /* Trigger the command */
+       snd_soc_write(codec, WM8993_DC_SERVO_0, val);
+
+       dev_vdbg(codec->dev, "Waiting for DC servo...\n");
 
-       dev_dbg(codec->dev, "Waiting for DC servo...\n");
        do {
                count++;
-               msleep(1);
-               reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0);
-               dev_dbg(codec->dev, "DC servo status: %x\n", reg);
-       } while ((reg & WM8993_DCS_CAL_COMPLETE_MASK)
-                != WM8993_DCS_CAL_COMPLETE_MASK && count < 1000);
-
-       if ((reg & WM8993_DCS_CAL_COMPLETE_MASK)
-           != WM8993_DCS_CAL_COMPLETE_MASK)
+               msleep(10);
+               reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
+               dev_vdbg(codec->dev, "DC servo: %x\n", reg);
+       } while (reg & op && count < 400);
+
+       if (reg & op)
                dev_err(codec->dev, "Timed out waiting for DC Servo\n");
 }
 
+/*
+ * Startup calibration of the DC servo
+ */
+static void calibrate_dc_servo(struct snd_soc_codec *codec)
+{
+       struct wm_hubs_data *hubs = codec->private_data;
+       u16 reg, reg_l, reg_r, dcs_cfg;
+
+       /* Set for 32 series updates */
+       snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
+                           WM8993_DCS_SERIES_NO_01_MASK,
+                           32 << WM8993_DCS_SERIES_NO_01_SHIFT);
+       wait_for_dc_servo(codec,
+                         WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
+
+       /* Apply correction to DC servo result */
+       if (hubs->dcs_codes) {
+               dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
+                       hubs->dcs_codes);
+
+               /* Different chips in the family support different
+                * readback methods.
+                */
+               switch (hubs->dcs_readback_mode) {
+               case 0:
+                       reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
+                               & WM8993_DCS_INTEG_CHAN_0_MASK;;
+                       reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
+                               & WM8993_DCS_INTEG_CHAN_1_MASK;
+                       break;
+               case 1:
+                       reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
+                       reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
+                               >> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+                       reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
+                       break;
+               default:
+                       WARN(1, "Unknown DCS readback method");
+                       break;
+               }
+
+               /* HPOUT1L */
+               if (reg_l + hubs->dcs_codes > 0 &&
+                   reg_l + hubs->dcs_codes < 0xff)
+                       reg_l += hubs->dcs_codes;
+               dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
+
+               /* HPOUT1R */
+               if (reg_r + hubs->dcs_codes > 0 &&
+                   reg_r + hubs->dcs_codes < 0xff)
+                       reg_r += hubs->dcs_codes;
+               dcs_cfg |= reg_r;
+
+               /* Do it */
+               snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
+               wait_for_dc_servo(codec,
+                                 WM8993_DCS_TRIG_DAC_WR_0 |
+                                 WM8993_DCS_TRIG_DAC_WR_1);
+       }
+}
+
 /*
  * Update the DC servo calibration on gain changes
  */
 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
-                             struct snd_ctl_elem_value *ucontrol)
+                              struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct wm_hubs_data *hubs = codec->private_data;
        int ret;
 
        ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 
+       /* If we're applying an offset correction then updating the
+        * callibration would be likely to introduce further offsets. */
+       if (hubs->dcs_codes)
+               return ret;
+
        /* Only need to do this if the outputs are active */
        if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
            & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
@@ -251,6 +323,47 @@ SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
               line_tlv),
 };
 
+static int hp_supply_event(struct snd_soc_dapm_widget *w,
+                          struct snd_kcontrol *kcontrol, int event)
+{
+       struct snd_soc_codec *codec = w->codec;
+       struct wm_hubs_data *hubs = codec->private_data;
+
+       switch (event) {
+       case SND_SOC_DAPM_PRE_PMU:
+               switch (hubs->hp_startup_mode) {
+               case 0:
+                       break;
+               case 1:
+                       /* Enable the headphone amp */
+                       snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
+                                           WM8993_HPOUT1L_ENA |
+                                           WM8993_HPOUT1R_ENA,
+                                           WM8993_HPOUT1L_ENA |
+                                           WM8993_HPOUT1R_ENA);
+
+                       /* Enable the second stage */
+                       snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+                                           WM8993_HPOUT1L_DLY |
+                                           WM8993_HPOUT1R_DLY,
+                                           WM8993_HPOUT1L_DLY |
+                                           WM8993_HPOUT1R_DLY);
+                       break;
+               default:
+                       dev_err(codec->dev, "Unknown HP startup mode %d\n",
+                               hubs->hp_startup_mode);
+                       break;
+               }
+
+       case SND_SOC_DAPM_PRE_PMD:
+               snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
+                                   WM8993_CP_ENA, 0);
+               break;
+       }
+
+       return 0;
+}
+
 static int hp_event(struct snd_soc_dapm_widget *w,
                    struct snd_kcontrol *kcontrol, int event)
 {
@@ -267,18 +380,15 @@ static int hp_event(struct snd_soc_dapm_widget *w,
                snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
                                    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
                                    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
-
+       //      printk("hp_event power1 up: 0x%04x",snd_soc_read(codec,WM8993_POWER_MANAGEMENT_1));
                reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
                snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
 
-               /* Start the DC servo */
-               snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
-                                   0xFFFF,
-                                   WM8993_DCS_ENA_CHAN_0 |
-                                   WM8993_DCS_ENA_CHAN_1 |
-                                   WM8993_DCS_TRIG_STARTUP_1 |
-                                   WM8993_DCS_TRIG_STARTUP_0);
-               wait_for_dc_servo(codec);
+               /* Smallest supported update interval */
+               snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
+                                   WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
+
+               calibrate_dc_servo(codec);
 
                reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
                        WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
@@ -286,23 +396,20 @@ static int hp_event(struct snd_soc_dapm_widget *w,
                break;
 
        case SND_SOC_DAPM_PRE_PMD:
-               reg &= ~(WM8993_HPOUT1L_RMV_SHORT |
-                        WM8993_HPOUT1L_DLY |
-                        WM8993_HPOUT1L_OUTP |
-                        WM8993_HPOUT1R_RMV_SHORT |
-                        WM8993_HPOUT1R_DLY |
-                        WM8993_HPOUT1R_OUTP);
+               snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+                                   WM8993_HPOUT1L_DLY |
+                                   WM8993_HPOUT1R_DLY |
+                                   WM8993_HPOUT1L_RMV_SHORT |
+                                   WM8993_HPOUT1R_RMV_SHORT, 0);
 
-               snd_soc_update_bits(codec, WM8993_DC_SERVO_0,
-                                   0xffff, 0);
+               snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+                                   WM8993_HPOUT1L_OUTP |
+                                   WM8993_HPOUT1R_OUTP, 0);
 
-               snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
                snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
                                    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
                                    0);
-
-               snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
-                                   WM8993_CP_ENA, 0);
+       //      printk("hp_event power1 down: 0x%04x",snd_soc_read(codec,WM8993_POWER_MANAGEMENT_1));
                break;
        }
 
@@ -438,11 +545,11 @@ static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
 SND_SOC_DAPM_INPUT("IN1LN"),
 SND_SOC_DAPM_INPUT("IN1LP"),
 SND_SOC_DAPM_INPUT("IN2LN"),
-SND_SOC_DAPM_INPUT("IN2LP/VXRN"),
+SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
 SND_SOC_DAPM_INPUT("IN1RN"),
 SND_SOC_DAPM_INPUT("IN1RP"),
 SND_SOC_DAPM_INPUT("IN2RN"),
-SND_SOC_DAPM_INPUT("IN2RP/VXRP"),
+SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
 
 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
@@ -473,6 +580,8 @@ SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
 
+SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event, 
+                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
                   NULL, 0,
                   hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
@@ -531,20 +640,27 @@ SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
 };
 
 static const struct snd_soc_dapm_route analogue_routes[] = {
+       { "IN1L PGA", NULL , "MICBIAS2" },
+       { "IN1R PGA", NULL , "MICBIAS1" },
+       { "MICBIAS2", NULL , "IN1LP"},
+       { "MICBIAS2", NULL , "IN1LN"},
+       { "MICBIAS1", NULL , "IN1RP"},
+       { "MICBIAS1", NULL , "IN1RN"},
+       
        { "IN1L PGA", "IN1LP Switch", "IN1LP" },
        { "IN1L PGA", "IN1LN Switch", "IN1LN" },
 
        { "IN1R PGA", "IN1RP Switch", "IN1RP" },
        { "IN1R PGA", "IN1RN Switch", "IN1RN" },
 
-       { "IN2L PGA", "IN2LP Switch", "IN2LP/VXRN" },
+       { "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
        { "IN2L PGA", "IN2LN Switch", "IN2LN" },
 
-       { "IN2R PGA", "IN2RP Switch", "IN2RP/VXRP" },
+       { "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
        { "IN2R PGA", "IN2RN Switch", "IN2RN" },
 
-       { "Direct Voice", NULL, "IN2LP/VXRN" },
-       { "Direct Voice", NULL, "IN2RP/VXRP" },
+       { "Direct Voice", NULL, "IN2LP:VXRN" },
+       { "Direct Voice", NULL, "IN2RP:VXRP" },
 
        { "MIXINL", "IN1L Switch", "IN1L PGA" },
        { "MIXINL", "IN2L Switch", "IN2L PGA" },
@@ -565,7 +681,7 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
        { "Left Output Mixer", "Right Input Switch", "MIXINR" },
        { "Left Output Mixer", "IN2RN Switch", "IN2RN" },
        { "Left Output Mixer", "IN2LN Switch", "IN2LN" },
-       { "Left Output Mixer", "IN2LP Switch", "IN2LP/VXRN" },
+       { "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
        { "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
        { "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
 
@@ -573,7 +689,7 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
        { "Right Output Mixer", "Right Input Switch", "MIXINR" },
        { "Right Output Mixer", "IN2LN Switch", "IN2LN" },
        { "Right Output Mixer", "IN2RN Switch", "IN2RN" },
-       { "Right Output Mixer", "IN2RP Switch", "IN2RP/VXRP" },
+       { "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
        { "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
        { "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
 
@@ -626,6 +742,7 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
        { "Headphone PGA", NULL, "Left Headphone Mux" },
        { "Headphone PGA", NULL, "Right Headphone Mux" },
        { "Headphone PGA", NULL, "CLK_SYS" },
+       { "Headphone PGA", NULL, "Headphone Supply" },
 
        { "HPOUT1L", NULL, "Headphone PGA" },
        { "HPOUT1R", NULL, "Headphone PGA" },
@@ -742,6 +859,47 @@ int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
 }
 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
 
+int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
+                                 int lineout1_diff, int lineout2_diff,
+                                 int lineout1fb, int lineout2fb,
+                                 int jd_scthr, int jd_thr, int micbias1_lvl,
+                                 int micbias2_lvl)
+{
+       if (!lineout1_diff)
+               snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
+                                   WM8993_LINEOUT1_MODE,
+                                   WM8993_LINEOUT1_MODE);
+       if (!lineout2_diff)
+               snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
+                                   WM8993_LINEOUT2_MODE,
+                                   WM8993_LINEOUT2_MODE);
+
+       /* If the line outputs are differential then we aren't presenting
+        * VMID as an output and can disable it.
+        */
+//     if (lineout1_diff && lineout2_diff)
+//             codec->idle_bias_off = 1;
+
+       if (lineout1fb)
+               snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
+                                   WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
+
+       if (lineout2fb)
+               snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
+                                   WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
+
+       snd_soc_update_bits(codec, WM8993_MICBIAS,
+                           WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
+                           WM8993_MICB1_LVL | WM8993_MICB2_LVL,
+                           jd_scthr << WM8993_JD_SCTHR_SHIFT |
+                           jd_thr << WM8993_JD_THR_SHIFT |
+                           micbias1_lvl |
+                           micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
+
 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 MODULE_LICENSE("GPL");