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-rw-r--r--Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml30
-rw-r--r--include/linux/mfd/wcd934x/registers.h57
-rw-r--r--sound/soc/codecs/Kconfig4
-rw-r--r--sound/soc/codecs/Makefile2
-rw-r--r--sound/soc/codecs/wcd-mbhc-v2.c1475
-rw-r--r--sound/soc/codecs/wcd-mbhc-v2.h340
-rw-r--r--sound/soc/codecs/wcd934x.c884
-rw-r--r--sound/soc/qcom/sdm845.c8
8 files changed, 2785 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
index e8f716b5f875..9b225dbf8b79 100644
--- a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
@@ -77,6 +77,31 @@ properties:
minimum: 1800000
maximum: 2850000
+ qcom,hphl-jack-type-normally-closed:
+ description: Indicates that HPHL jack switch type is normally closed
+ type: boolean
+
+ qcom,ground-jack-type-normally-closed:
+ description: Indicates that Headset Ground switch type is normally closed
+ type: boolean
+
+ qcom,mbhc-headset-vthreshold-microvolt:
+ description: Voltage threshold value for headset detection
+ minimum: 0
+ maximum: 2850000
+
+ qcom,mbhc-headphone-vthreshold-microvolt:
+ description: Voltage threshold value for headphone detection
+ minimum: 0
+ maximum: 2850000
+
+ qcom,mbhc-buttons-vthreshold-microvolt:
+ description:
+ Array of 8 Voltage threshold values corresponding to headset
+ button0 - button7
+ minItems: 8
+ maxItems: 8
+
clock-output-names:
const: mclk
@@ -159,6 +184,11 @@ examples:
qcom,micbias2-microvolt = <1800000>;
qcom,micbias3-microvolt = <1800000>;
qcom,micbias4-microvolt = <1800000>;
+ qcom,hphl-jack-type-normally-closed;
+ qcom,ground-jack-type-normally-closed;
+ qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
+ qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
+ qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
clock-names = "extclk";
clocks = <&rpmhcc 2>;
diff --git a/include/linux/mfd/wcd934x/registers.h b/include/linux/mfd/wcd934x/registers.h
index bb8d2e276668..76a943c83c63 100644
--- a/include/linux/mfd/wcd934x/registers.h
+++ b/include/linux/mfd/wcd934x/registers.h
@@ -18,6 +18,8 @@
#define WCD934X_EFUSE_SENSE_STATE_DEF 0x10
#define WCD934X_EFUSE_SENSE_EN_MASK BIT(0)
#define WCD934X_EFUSE_SENSE_ENABLE BIT(0)
+#define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT1 0x002a
+#define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT2 0x002b
#define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT14 0x0037
#define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT15 0x0038
#define WCD934X_CHIP_TIER_CTRL_EFUSE_STATUS 0x0039
@@ -103,21 +105,58 @@
#define WCD934X_ANA_AMIC3 0x0610
#define WCD934X_ANA_AMIC4 0x0611
#define WCD934X_ANA_MBHC_MECH 0x0614
+#define WCD934X_MBHC_L_DET_EN_MASK BIT(7)
+#define WCD934X_MBHC_L_DET_EN BIT(7)
+#define WCD934X_MBHC_GND_DET_EN_MASK BIT(6)
+#define WCD934X_MBHC_MECH_DETECT_TYPE_MASK BIT(5)
+#define WCD934X_MBHC_MECH_DETECT_TYPE_INS 1
+#define WCD934X_MBHC_HPHL_PLUG_TYPE_MASK BIT(4)
+#define WCD934X_MBHC_HPHL_PLUG_TYPE_NO 1
+#define WCD934X_MBHC_GND_PLUG_TYPE_MASK BIT(3)
+#define WCD934X_MBHC_GND_PLUG_TYPE_NO 1
+#define WCD934X_MBHC_HSL_PULLUP_COMP_EN BIT(2)
+#define WCD934X_MBHC_HSG_PULLUP_COMP_EN BIT(1)
+#define WCD934X_MBHC_HPHL_100K_TO_GND_EN BIT(0)
#define WCD934X_ANA_MBHC_ELECT 0x0615
+#define WCD934X_ANA_MBHC_BIAS_EN_MASK BIT(0)
+#define WCD934X_ANA_MBHC_BIAS_EN BIT(0)
#define WCD934X_ANA_MBHC_ZDET 0x0616
#define WCD934X_ANA_MBHC_RESULT_1 0x0617
#define WCD934X_ANA_MBHC_RESULT_2 0x0618
#define WCD934X_ANA_MBHC_RESULT_3 0x0619
+#define WCD934X_ANA_MBHC_BTN0 0x061a
+#define WCD934X_VTH_MASK GENMASK(7, 2)
+#define WCD934X_ANA_MBHC_BTN1 0x061b
+#define WCD934X_ANA_MBHC_BTN2 0x061c
+#define WCD934X_ANA_MBHC_BTN3 0x061d
+#define WCD934X_ANA_MBHC_BTN4 0x061e
+#define WCD934X_ANA_MBHC_BTN5 0x061f
+#define WCD934X_ANA_MBHC_BTN6 0x0620
+#define WCD934X_ANA_MBHC_BTN7 0x0621
+#define WCD934X_MBHC_BTN_VTH_MASK GENMASK(7, 2)
#define WCD934X_ANA_MICB1 0x0622
#define WCD934X_MICB_VAL_MASK GENMASK(5, 0)
#define WCD934X_ANA_MICB_EN_MASK GENMASK(7, 6)
+#define WCD934X_MICB_DISABLE 0
+#define WCD934X_MICB_ENABLE 1
+#define WCD934X_MICB_PULL_UP 2
+#define WCD934X_MICB_PULL_DOWN 3
#define WCD934X_ANA_MICB_PULL_UP 0x80
#define WCD934X_ANA_MICB_ENABLE 0x40
#define WCD934X_ANA_MICB_DISABLE 0x0
#define WCD934X_ANA_MICB2 0x0623
+#define WCD934X_ANA_MICB2_ENABLE BIT(6)
+#define WCD934X_ANA_MICB2_ENABLE_MASK GENMASK(7, 6)
+#define WCD934X_ANA_MICB2_VOUT_MASK GENMASK(5, 0)
+#define WCD934X_ANA_MICB2_RAMP 0x0624
+#define WCD934X_RAMP_EN_MASK BIT(7)
+#define WCD934X_RAMP_SHIFT_CTRL_MASK GENMASK(4, 2)
#define WCD934X_ANA_MICB3 0x0625
#define WCD934X_ANA_MICB4 0x0626
#define WCD934X_BIAS_VBG_FINE_ADJ 0x0629
+#define WCD934X_MBHC_CTL_CLK 0x0656
+#define WCD934X_MBHC_CTL_BCS 0x065a
+#define WCD934X_MBHC_STATUS_SPARE_1 0x065b
#define WCD934X_MICB1_TEST_CTL_1 0x066b
#define WCD934X_MICB1_TEST_CTL_2 0x066c
#define WCD934X_MICB2_TEST_CTL_1 0x066e
@@ -141,7 +180,11 @@
#define WCD934X_HPH_CNP_WG_CTL 0x06cc
#define WCD934X_HPH_GM3_BOOST_EN_MASK BIT(7)
#define WCD934X_HPH_GM3_BOOST_ENABLE BIT(7)
+#define WCD934X_HPH_CNP_WG_TIME 0x06cd
#define WCD934X_HPH_OCP_CTL 0x06ce
+#define WCD934X_HPH_PA_CTL2 0x06d2
+#define WCD934X_HPHPA_GND_R_MASK BIT(6)
+#define WCD934X_HPHPA_GND_L_MASK BIT(4)
#define WCD934X_HPH_L_EN 0x06d3
#define WCD934X_HPH_GAIN_SRC_SEL_MASK BIT(5)
#define WCD934X_HPH_GAIN_SRC_SEL_COMPANDER 0
@@ -152,6 +195,8 @@
#define WCD934X_HPH_OCP_DET_MASK BIT(0)
#define WCD934X_HPH_OCP_DET_ENABLE BIT(0)
#define WCD934X_HPH_OCP_DET_DISABLE 0
+#define WCD934X_HPH_R_ATEST 0x06d8
+#define WCD934X_HPHPA_GND_OVR_MASK BIT(1)
#define WCD934X_DIFF_LO_LO2_COMPANDER 0x06ea
#define WCD934X_DIFF_LO_LO1_COMPANDER 0x06eb
#define WCD934X_CLK_SYS_MCLK_PRG 0x0711
@@ -172,7 +217,19 @@
#define WCD934X_SIDO_NEW_VOUT_D_FREQ2 0x071e
#define WCD934X_SIDO_RIPPLE_FREQ_EN_MASK BIT(0)
#define WCD934X_SIDO_RIPPLE_FREQ_ENABLE BIT(0)
+#define WCD934X_MBHC_NEW_CTL_1 0x0720
+#define WCD934X_MBHC_CTL_RCO_EN_MASK BIT(7)
+#define WCD935X_MBHC_CTL_RCO_EN BIT(7)
#define WCD934X_MBHC_NEW_CTL_2 0x0721
+#define WCD934X_M_RTH_CTL_MASK GENMASK(3, 2)
+#define WCD934X_MBHC_NEW_PLUG_DETECT_CTL 0x0722
+#define WCD934X_HSDET_PULLUP_C_MASK GENMASK(7, 6)
+#define WCD934X_MBHC_NEW_ZDET_ANA_CTL 0x0723
+#define WCD934X_ZDET_RANGE_CTL_MASK GENMASK(3, 0)
+#define WCD934X_ZDET_MAXV_CTL_MASK GENMASK(6, 4)
+#define WCD934X_MBHC_NEW_ZDET_RAMP_CTL 0x0724
+#define WCD934X_MBHC_NEW_FSM_STATUS 0x0725
+#define WCD934X_MBHC_NEW_ADC_RESULT 0x0726
#define WCD934X_TX_NEW_AMIC_4_5_SEL 0x0727
#define WCD934X_HPH_NEW_INT_RDAC_HD2_CTL_L 0x0733
#define WCD934X_HPH_NEW_INT_RDAC_OVERRIDE_CTL 0x0735
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 7833ca35d193..d8f14b59bddb 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -1536,9 +1536,13 @@ config SND_SOC_WCD9335
Qualcomm Technologies, Inc. (QTI) multimedia solutions,
including the MSM8996, MSM8976, and MSM8956 chipsets.
+config SND_SOC_WCD_MBHC
+ tristate
+
config SND_SOC_WCD934X
tristate "WCD9340/WCD9341 Codec"
depends on COMMON_CLK
+ select SND_SOC_WCD_MBHC
depends on MFD_WCD934X
help
The WCD9340/9341 is a audio codec IC Integrated in
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 8c7257035e4c..415ba8236b7f 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -251,6 +251,7 @@ snd-soc-twl6040-objs := twl6040.o
snd-soc-uda1334-objs := uda1334.o
snd-soc-uda134x-objs := uda134x.o
snd-soc-uda1380-objs := uda1380.o
+snd-soc-wcd-mbhc-objs := wcd-mbhc-v2.o
snd-soc-wcd9335-objs := wcd-clsh-v2.o wcd9335.o
snd-soc-wcd934x-objs := wcd-clsh-v2.o wcd934x.o
snd-soc-wl1273-objs := wl1273.o
@@ -574,6 +575,7 @@ obj-$(CONFIG_SND_SOC_TWL6040) += snd-soc-twl6040.o
obj-$(CONFIG_SND_SOC_UDA1334) += snd-soc-uda1334.o
obj-$(CONFIG_SND_SOC_UDA134X) += snd-soc-uda134x.o
obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o
+obj-$(CONFIG_SND_SOC_WCD_MBHC) += snd-soc-wcd-mbhc.o
obj-$(CONFIG_SND_SOC_WCD9335) += snd-soc-wcd9335.o
obj-$(CONFIG_SND_SOC_WCD934X) += snd-soc-wcd934x.o
obj-$(CONFIG_SND_SOC_WL1273) += snd-soc-wl1273.o
diff --git a/sound/soc/codecs/wcd-mbhc-v2.c b/sound/soc/codecs/wcd-mbhc-v2.c
new file mode 100644
index 000000000000..dee9410650d7
--- /dev/null
+++ b/sound/soc/codecs/wcd-mbhc-v2.c
@@ -0,0 +1,1475 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/printk.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include "wcd-mbhc-v2.h"
+
+#define HS_DETECT_PLUG_TIME_MS (3 * 1000)
+#define MBHC_BUTTON_PRESS_THRESHOLD_MIN 250
+#define GND_MIC_SWAP_THRESHOLD 4
+#define WCD_FAKE_REMOVAL_MIN_PERIOD_MS 100
+#define HPHL_CROSS_CONN_THRESHOLD 100
+#define HS_VREF_MIN_VAL 1400
+#define FAKE_REM_RETRY_ATTEMPTS 3
+#define WCD_MBHC_ADC_HS_THRESHOLD_MV 1700
+#define WCD_MBHC_ADC_HPH_THRESHOLD_MV 75
+#define WCD_MBHC_ADC_MICBIAS_MV 1800
+#define WCD_MBHC_FAKE_INS_RETRY 4
+
+#define WCD_MBHC_JACK_MASK (SND_JACK_HEADSET | SND_JACK_LINEOUT | \
+ SND_JACK_MECHANICAL)
+
+#define WCD_MBHC_JACK_BUTTON_MASK (SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
+ SND_JACK_BTN_2 | SND_JACK_BTN_3 | \
+ SND_JACK_BTN_4 | SND_JACK_BTN_5)
+
+enum wcd_mbhc_adc_mux_ctl {
+ MUX_CTL_AUTO = 0,
+ MUX_CTL_IN2P,
+ MUX_CTL_IN3P,
+ MUX_CTL_IN4P,
+ MUX_CTL_HPH_L,
+ MUX_CTL_HPH_R,
+ MUX_CTL_NONE,
+};
+
+struct wcd_mbhc {
+ struct device *dev;
+ struct snd_soc_component *component;
+ struct snd_soc_jack *jack;
+ struct wcd_mbhc_config *cfg;
+ const struct wcd_mbhc_cb *mbhc_cb;
+ const struct wcd_mbhc_intr *intr_ids;
+ struct wcd_mbhc_field *fields;
+ /* Delayed work to report long button press */
+ struct delayed_work mbhc_btn_dwork;
+ /* Work to correct accessory type */
+ struct work_struct correct_plug_swch;
+ struct mutex lock;
+ int buttons_pressed;
+ u32 hph_status; /* track headhpone status */
+ u8 current_plug;
+ bool is_btn_press;
+ bool in_swch_irq_handler;
+ bool hs_detect_work_stop;
+ bool is_hs_recording;
+ bool extn_cable_hph_rem;
+ bool force_linein;
+ bool impedance_detect;
+ unsigned long event_state;
+ unsigned long jiffies_atreport;
+ /* impedance of hphl and hphr */
+ uint32_t zl, zr;
+ /* Holds type of Headset - Mono/Stereo */
+ enum wcd_mbhc_hph_type hph_type;
+ /* Holds mbhc detection method - ADC/Legacy */
+ int mbhc_detection_logic;
+};
+
+static inline int wcd_mbhc_write_field(const struct wcd_mbhc *mbhc,
+ int field, int val)
+{
+ if (!mbhc->fields[field].reg)
+ return 0;
+
+ return snd_soc_component_write_field(mbhc->component,
+ mbhc->fields[field].reg,
+ mbhc->fields[field].mask, val);
+}
+
+static inline int wcd_mbhc_read_field(const struct wcd_mbhc *mbhc, int field)
+{
+ if (!mbhc->fields[field].reg)
+ return 0;
+
+ return snd_soc_component_read_field(mbhc->component,
+ mbhc->fields[field].reg,
+ mbhc->fields[field].mask);
+}
+
+static void wcd_program_hs_vref(struct wcd_mbhc *mbhc)
+{
+ u32 reg_val = ((mbhc->cfg->v_hs_max - HS_VREF_MIN_VAL) / 100);
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_HS_VREF, reg_val);
+}
+
+static void wcd_program_btn_threshold(const struct wcd_mbhc *mbhc, bool micbias)
+{
+ struct snd_soc_component *component = mbhc->component;
+
+ mbhc->mbhc_cb->set_btn_thr(component, mbhc->cfg->btn_low,
+ mbhc->cfg->btn_high,
+ mbhc->cfg->num_btn, micbias);
+}
+
+static void wcd_mbhc_curr_micbias_control(const struct wcd_mbhc *mbhc,
+ const enum wcd_mbhc_cs_mb_en_flag cs_mb_en)
+{
+
+ /*
+ * Some codecs handle micbias/pullup enablement in codec
+ * drivers itself and micbias is not needed for regular
+ * plug type detection. So if micbias_control callback function
+ * is defined, just return.
+ */
+ if (mbhc->mbhc_cb->mbhc_micbias_control)
+ return;
+
+ switch (cs_mb_en) {
+ case WCD_MBHC_EN_CS:
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MICB_CTRL, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 3);
+ /* Program Button threshold registers as per CS */
+ wcd_program_btn_threshold(mbhc, false);
+ break;
+ case WCD_MBHC_EN_MB:
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ /* Disable PULL_UP_EN & enable MICBIAS */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MICB_CTRL, 2);
+ /* Program Button threshold registers as per MICBIAS */
+ wcd_program_btn_threshold(mbhc, true);
+ break;
+ case WCD_MBHC_EN_PULLUP:
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 3);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MICB_CTRL, 1);
+ /* Program Button threshold registers as per MICBIAS */
+ wcd_program_btn_threshold(mbhc, true);
+ break;
+ case WCD_MBHC_EN_NONE:
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MICB_CTRL, 0);
+ break;
+ default:
+ dev_err(mbhc->dev, "%s: Invalid parameter", __func__);
+ break;
+ }
+}
+
+int wcd_mbhc_event_notify(struct wcd_mbhc *mbhc, unsigned long event)
+{
+
+ struct snd_soc_component *component;
+ bool micbias2 = false;
+
+ if (!mbhc)
+ return 0;
+
+ component = mbhc->component;
+
+ if (mbhc->mbhc_cb->micbias_enable_status)
+ micbias2 = mbhc->mbhc_cb->micbias_enable_status(component, MIC_BIAS_2);
+
+ switch (event) {
+ /* MICBIAS usage change */
+ case WCD_EVENT_POST_DAPM_MICBIAS_2_ON:
+ mbhc->is_hs_recording = true;
+ break;
+ case WCD_EVENT_POST_MICBIAS_2_ON:
+ /* Disable current source if micbias2 enabled */
+ if (mbhc->mbhc_cb->mbhc_micbias_control) {
+ if (wcd_mbhc_read_field(mbhc, WCD_MBHC_FSM_EN))
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 0);
+ } else {
+ mbhc->is_hs_recording = true;
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_MB);
+ }
+ break;
+ case WCD_EVENT_PRE_MICBIAS_2_OFF:
+ /*
+ * Before MICBIAS_2 is turned off, if FSM is enabled,
+ * make sure current source is enabled so as to detect
+ * button press/release events
+ */
+ if (mbhc->mbhc_cb->mbhc_micbias_control/* && !mbhc->micbias_enable*/) {
+ if (wcd_mbhc_read_field(mbhc, WCD_MBHC_FSM_EN))
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 3);
+ }
+ break;
+ /* MICBIAS usage change */
+ case WCD_EVENT_POST_DAPM_MICBIAS_2_OFF:
+ mbhc->is_hs_recording = false;
+ break;
+ case WCD_EVENT_POST_MICBIAS_2_OFF:
+ if (!mbhc->mbhc_cb->mbhc_micbias_control)
+ mbhc->is_hs_recording = false;
+
+ /* Enable PULL UP if PA's are enabled */
+ if ((test_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state)) ||
+ (test_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state)))
+ /* enable pullup and cs, disable mb */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_PULLUP);
+ else
+ /* enable current source and disable mb, pullup*/
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_CS);
+
+ break;
+ case WCD_EVENT_POST_HPHL_PA_OFF:
+ clear_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state);
+
+ /* check if micbias is enabled */
+ if (micbias2)
+ /* Disable cs, pullup & enable micbias */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_MB);
+ else
+ /* Disable micbias, pullup & enable cs */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_CS);
+ break;
+ case WCD_EVENT_POST_HPHR_PA_OFF:
+ clear_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state);
+ /* check if micbias is enabled */
+ if (micbias2)
+ /* Disable cs, pullup & enable micbias */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_MB);
+ else
+ /* Disable micbias, pullup & enable cs */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_CS);
+ break;
+ case WCD_EVENT_PRE_HPHL_PA_ON:
+ set_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state);
+ /* check if micbias is enabled */
+ if (micbias2)
+ /* Disable cs, pullup & enable micbias */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_MB);
+ else
+ /* Disable micbias, enable pullup & cs */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_PULLUP);
+ break;
+ case WCD_EVENT_PRE_HPHR_PA_ON:
+ set_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state);
+ /* check if micbias is enabled */
+ if (micbias2)
+ /* Disable cs, pullup & enable micbias */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_MB);
+ else
+ /* Disable micbias, enable pullup & cs */
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_PULLUP);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wcd_mbhc_event_notify);
+
+static int wcd_cancel_btn_work(struct wcd_mbhc *mbhc)
+{
+ return cancel_delayed_work_sync(&mbhc->mbhc_btn_dwork);
+}
+
+static void wcd_micbias_disable(struct wcd_mbhc *mbhc)
+{
+ struct snd_soc_component *component = mbhc->component;
+
+ if (mbhc->mbhc_cb->mbhc_micbias_control)
+ mbhc->mbhc_cb->mbhc_micbias_control(component, MIC_BIAS_2, MICB_DISABLE);
+
+ if (mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic)
+ mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic(component, MIC_BIAS_2, false);
+
+ if (mbhc->mbhc_cb->set_micbias_value) {
+ mbhc->mbhc_cb->set_micbias_value(component);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MICB_CTRL, 0);
+ }
+}
+
+static void wcd_mbhc_report_plug_removal(struct wcd_mbhc *mbhc,
+ enum snd_jack_types jack_type)
+{
+ mbhc->hph_status &= ~jack_type;
+ /*
+ * cancel possibly scheduled btn work and
+ * report release if we reported button press
+ */
+ if (!wcd_cancel_btn_work(mbhc) && mbhc->buttons_pressed) {
+ snd_soc_jack_report(mbhc->jack, 0, mbhc->buttons_pressed);
+ mbhc->buttons_pressed &= ~WCD_MBHC_JACK_BUTTON_MASK;
+ }
+
+ wcd_micbias_disable(mbhc);
+ mbhc->hph_type = WCD_MBHC_HPH_NONE;
+ mbhc->zl = mbhc->zr = 0;
+ snd_soc_jack_report(mbhc->jack, mbhc->hph_status, WCD_MBHC_JACK_MASK);
+ mbhc->current_plug = MBHC_PLUG_TYPE_NONE;
+ mbhc->force_linein = false;
+}
+
+static void wcd_mbhc_compute_impedance(struct wcd_mbhc *mbhc)
+{
+
+ if (!mbhc->impedance_detect)
+ return;
+
+ if (mbhc->cfg->linein_th != 0) {
+ u8 fsm_en = wcd_mbhc_read_field(mbhc, WCD_MBHC_FSM_EN);
+ /* Set MUX_CTL to AUTO for Z-det */
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MUX_CTL, MUX_CTL_AUTO);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ mbhc->mbhc_cb->compute_impedance(mbhc->component, &mbhc->zl, &mbhc->zr);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, fsm_en);
+ }
+}
+
+static void wcd_mbhc_report_plug_insertion(struct wcd_mbhc *mbhc,
+ enum snd_jack_types jack_type)
+{
+ bool is_pa_on;
+ /*
+ * Report removal of current jack type.
+ * Headphone to headset shouldn't report headphone
+ * removal.
+ */
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET &&
+ jack_type == SND_JACK_HEADPHONE)
+ mbhc->hph_status &= ~SND_JACK_HEADSET;
+
+ /* Report insertion */
+ switch (jack_type) {
+ case SND_JACK_HEADPHONE:
+ mbhc->current_plug = MBHC_PLUG_TYPE_HEADPHONE;
+ break;
+ case SND_JACK_HEADSET:
+ mbhc->current_plug = MBHC_PLUG_TYPE_HEADSET;
+ mbhc->jiffies_atreport = jiffies;
+ break;
+ case SND_JACK_LINEOUT:
+ mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH;
+ break;
+ default:
+ break;
+ }
+
+
+ is_pa_on = wcd_mbhc_read_field(mbhc, WCD_MBHC_HPH_PA_EN);
+
+ if (!is_pa_on) {
+ wcd_mbhc_compute_impedance(mbhc);
+ if ((mbhc->zl > mbhc->cfg->linein_th) &&
+ (mbhc->zr > mbhc->cfg->linein_th) &&
+ (jack_type == SND_JACK_HEADPHONE)) {
+ jack_type = SND_JACK_LINEOUT;
+ mbhc->force_linein = true;
+ mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH;
+ if (mbhc->hph_status) {
+ mbhc->hph_status &= ~(SND_JACK_HEADSET |
+ SND_JACK_LINEOUT);
+ snd_soc_jack_report(mbhc->jack, mbhc->hph_status,
+ WCD_MBHC_JACK_MASK);
+ }
+ }
+ }
+
+ /* Do not calculate impedance again for lineout
+ * as during playback pa is on and impedance values
+ * will not be correct resulting in lineout detected
+ * as headphone.
+ */
+ if (is_pa_on && mbhc->force_linein) {
+ jack_type = SND_JACK_LINEOUT;
+ mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH;
+ if (mbhc->hph_status) {
+ mbhc->hph_status &= ~(SND_JACK_HEADSET |
+ SND_JACK_LINEOUT);
+ snd_soc_jack_report(mbhc->jack, mbhc->hph_status,
+ WCD_MBHC_JACK_MASK);
+ }
+ }
+
+ mbhc->hph_status |= jack_type;
+
+ if (jack_type == SND_JACK_HEADPHONE && mbhc->mbhc_cb->mbhc_micb_ramp_control)
+ mbhc->mbhc_cb->mbhc_micb_ramp_control(mbhc->component, false);
+
+ snd_soc_jack_report(mbhc->jack, (mbhc->hph_status | SND_JACK_MECHANICAL),
+ WCD_MBHC_JACK_MASK);
+}
+
+static void wcd_mbhc_report_plug(struct wcd_mbhc *mbhc, int insertion,
+ enum snd_jack_types jack_type)
+{
+
+ WARN_ON(!mutex_is_locked(&mbhc->lock));
+
+ if (!insertion) /* Report removal */
+ wcd_mbhc_report_plug_removal(mbhc, jack_type);
+ else
+ wcd_mbhc_report_plug_insertion(mbhc, jack_type);
+
+}
+
+static void wcd_cancel_hs_detect_plug(struct wcd_mbhc *mbhc,
+ struct work_struct *work)
+{
+ mbhc->hs_detect_work_stop = true;
+ mutex_unlock(&mbhc->lock);
+ cancel_work_sync(work);
+ mutex_lock(&mbhc->lock);
+}
+
+static void wcd_mbhc_cancel_pending_work(struct wcd_mbhc *mbhc)
+{
+ /* cancel pending button press */
+ wcd_cancel_btn_work(mbhc);
+ /* cancel correct work function */
+ wcd_cancel_hs_detect_plug(mbhc, &mbhc->correct_plug_swch);
+}
+
+static void wcd_mbhc_elec_hs_report_unplug(struct wcd_mbhc *mbhc)
+{
+ wcd_mbhc_cancel_pending_work(mbhc);
+ /* Report extension cable */
+ wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT);
+ /*
+ * Disable HPHL trigger and MIC Schmitt triggers.
+ * Setup for insertion detection.
+ */
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_rem_intr);
+ wcd_mbhc_curr_micbias_control(mbhc, WCD_MBHC_EN_NONE);
+ /* Disable HW FSM */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_SCHMT_ISRC, 3);
+
+ /* Set the detection type appropriately */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_DETECTION_TYPE, 1);
+ enable_irq(mbhc->intr_ids->mbhc_hs_ins_intr);
+}
+
+static void wcd_mbhc_find_plug_and_report(struct wcd_mbhc *mbhc,
+ enum wcd_mbhc_plug_type plug_type)
+{
+ if (mbhc->current_plug == plug_type)
+ return;
+
+ mutex_lock(&mbhc->lock);
+
+ switch (plug_type) {
+ case MBHC_PLUG_TYPE_HEADPHONE:
+ wcd_mbhc_report_plug(mbhc, 1, SND_JACK_HEADPHONE);
+ break;
+ case MBHC_PLUG_TYPE_HEADSET:
+ wcd_mbhc_report_plug(mbhc, 1, SND_JACK_HEADSET);
+ break;
+ case MBHC_PLUG_TYPE_HIGH_HPH:
+ wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT);
+ break;
+ case MBHC_PLUG_TYPE_GND_MIC_SWAP:
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE)
+ wcd_mbhc_report_plug(mbhc, 0, SND_JACK_HEADPHONE);
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET)
+ wcd_mbhc_report_plug(mbhc, 0, SND_JACK_HEADSET);
+ break;
+ default:
+ WARN(1, "Unexpected current plug_type %d, plug_type %d\n",
+ mbhc->current_plug, plug_type);
+ break;
+ }
+ mutex_unlock(&mbhc->lock);
+}
+
+static void wcd_schedule_hs_detect_plug(struct wcd_mbhc *mbhc,
+ struct work_struct *work)
+{
+ WARN_ON(!mutex_is_locked(&mbhc->lock));
+ mbhc->hs_detect_work_stop = false;
+ schedule_work(work);
+}
+
+static void wcd_mbhc_adc_detect_plug_type(struct wcd_mbhc *mbhc)
+{
+ struct snd_soc_component *component = mbhc->component;
+
+ WARN_ON(!mutex_is_locked(&mbhc->lock));
+
+ if (mbhc->mbhc_cb->hph_pull_down_ctrl)
+ mbhc->mbhc_cb->hph_pull_down_ctrl(component, false);
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_DETECTION_DONE, 0);
+
+ if (mbhc->mbhc_cb->mbhc_micbias_control) {
+ mbhc->mbhc_cb->mbhc_micbias_control(component, MIC_BIAS_2,
+ MICB_ENABLE);
+ wcd_schedule_hs_detect_plug(mbhc, &mbhc->correct_plug_swch);
+ }
+}
+
+static irqreturn_t wcd_mbhc_mech_plug_detect_irq(int irq, void *data)
+{
+ struct snd_soc_component *component;
+ enum snd_jack_types jack_type;
+ struct wcd_mbhc *mbhc = data;
+ bool detection_type;
+
+ component = mbhc->component;
+ mutex_lock(&mbhc->lock);
+
+ mbhc->in_swch_irq_handler = true;
+
+ wcd_mbhc_cancel_pending_work(mbhc);
+
+ detection_type = wcd_mbhc_read_field(mbhc, WCD_MBHC_MECH_DETECTION_TYPE);
+
+ /* Set the detection type appropriately */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MECH_DETECTION_TYPE, !detection_type);
+
+ /* Enable micbias ramp */
+ if (mbhc->mbhc_cb->mbhc_micb_ramp_control)
+ mbhc->mbhc_cb->mbhc_micb_ramp_control(component, true);
+
+ if (detection_type) {
+ if (mbhc->current_plug != MBHC_PLUG_TYPE_NONE)
+ goto exit;
+ /* Make sure MASTER_BIAS_CTL is enabled */
+ mbhc->mbhc_cb->mbhc_bias(component, true);
+ mbhc->is_btn_press = false;
+ wcd_mbhc_adc_detect_plug_type(mbhc);
+ } else {
+ /* Disable HW FSM */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 0);
+ mbhc->extn_cable_hph_rem = false;
+
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_NONE)
+ goto exit;
+
+ mbhc->is_btn_press = false;
+ switch (mbhc->current_plug) {
+ case MBHC_PLUG_TYPE_HEADPHONE:
+ jack_type = SND_JACK_HEADPHONE;
+ break;
+ case MBHC_PLUG_TYPE_HEADSET:
+ jack_type = SND_JACK_HEADSET;
+ break;
+ case MBHC_PLUG_TYPE_HIGH_HPH:
+ if (mbhc->mbhc_detection_logic == WCD_DETECTION_ADC)
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_ISRC_EN, 0);
+ jack_type = SND_JACK_LINEOUT;
+ break;
+ case MBHC_PLUG_TYPE_GND_MIC_SWAP:
+ dev_err(mbhc->dev, "Ground and Mic Swapped on plug\n");
+ goto exit;
+ default:
+ dev_err(mbhc->dev, "Invalid current plug: %d\n",
+ mbhc->current_plug);
+ goto exit;
+ }
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_rem_intr);
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_ins_intr);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_DETECTION_TYPE, 1);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_SCHMT_ISRC, 0);
+ wcd_mbhc_report_plug(mbhc, 0, jack_type);
+ }
+
+exit:
+ mbhc->in_swch_irq_handler = false;
+ mutex_unlock(&mbhc->lock);
+ return IRQ_HANDLED;
+}
+
+static int wcd_mbhc_get_button_mask(struct wcd_mbhc *mbhc)
+{
+ int mask = 0;
+ int btn;
+
+ btn = wcd_mbhc_read_field(mbhc, WCD_MBHC_BTN_RESULT);
+
+ switch (btn) {
+ case 0:
+ mask = SND_JACK_BTN_0;
+ break;
+ case 1:
+ mask = SND_JACK_BTN_1;
+ break;
+ case 2:
+ mask = SND_JACK_BTN_2;
+ break;
+ case 3:
+ mask = SND_JACK_BTN_3;
+ break;
+ case 4:
+ mask = SND_JACK_BTN_4;
+ break;
+ case 5:
+ mask = SND_JACK_BTN_5;
+ break;
+ default:
+ break;
+ }
+
+ return mask;
+}
+
+static void wcd_btn_long_press_fn(struct work_struct *work)
+{
+ struct delayed_work *dwork = to_delayed_work(work);
+ struct wcd_mbhc *mbhc = container_of(dwork, struct wcd_mbhc, mbhc_btn_dwork);
+
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET)
+ snd_soc_jack_report(mbhc->jack, mbhc->buttons_pressed,
+ mbhc->buttons_pressed);
+}
+
+static irqreturn_t wcd_mbhc_btn_press_handler(int irq, void *data)
+{
+ struct wcd_mbhc *mbhc = data;
+ int mask;
+ unsigned long msec_val;
+
+ mutex_lock(&mbhc->lock);
+ wcd_cancel_btn_work(mbhc);
+ mbhc->is_btn_press = true;
+ msec_val = jiffies_to_msecs(jiffies - mbhc->jiffies_atreport);
+
+ /* Too short, ignore button press */
+ if (msec_val < MBHC_BUTTON_PRESS_THRESHOLD_MIN)
+ goto done;
+
+ /* If switch interrupt already kicked in, ignore button press */
+ if (mbhc->in_swch_irq_handler)
+ goto done;
+
+ /* Plug isn't headset, ignore button press */
+ if (mbhc->current_plug != MBHC_PLUG_TYPE_HEADSET)
+ goto done;
+
+ mask = wcd_mbhc_get_button_mask(mbhc);
+ mbhc->buttons_pressed |= mask;
+ if (schedule_delayed_work(&mbhc->mbhc_btn_dwork, msecs_to_jiffies(400)) == 0)
+ WARN(1, "Button pressed twice without release event\n");
+done:
+ mutex_unlock(&mbhc->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd_mbhc_btn_release_handler(int irq, void *data)
+{
+ struct wcd_mbhc *mbhc = data;
+ int ret;
+
+ mutex_lock(&mbhc->lock);
+ if (mbhc->is_btn_press)
+ mbhc->is_btn_press = false;
+ else /* fake btn press */
+ goto exit;
+
+ if (!(mbhc->buttons_pressed & WCD_MBHC_JACK_BUTTON_MASK))
+ goto exit;
+
+ ret = wcd_cancel_btn_work(mbhc);
+ if (ret == 0) { /* Reporting long button release event */
+ snd_soc_jack_report(mbhc->jack, 0, mbhc->buttons_pressed);
+ } else {
+ if (!mbhc->in_swch_irq_handler) {
+ /* Reporting btn press n Release */
+ snd_soc_jack_report(mbhc->jack, mbhc->buttons_pressed,
+ mbhc->buttons_pressed);
+ snd_soc_jack_report(mbhc->jack, 0, mbhc->buttons_pressed);
+ }
+ }
+ mbhc->buttons_pressed &= ~WCD_MBHC_JACK_BUTTON_MASK;
+exit:
+ mutex_unlock(&mbhc->lock);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd_mbhc_hph_ocp_irq(struct wcd_mbhc *mbhc, bool hphr)
+{
+
+ /* TODO Find a better way to report this to Userspace */
+ dev_err(mbhc->dev, "MBHC Over Current on %s detected\n",
+ hphr ? "HPHR" : "HPHL");
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_OCP_FSM_EN, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_OCP_FSM_EN, 1);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd_mbhc_hphl_ocp_irq(int irq, void *data)
+{
+ return wcd_mbhc_hph_ocp_irq(data, false);
+}
+
+static irqreturn_t wcd_mbhc_hphr_ocp_irq(int irq, void *data)
+{
+ return wcd_mbhc_hph_ocp_irq(data, true);
+}
+
+static int wcd_mbhc_initialise(struct wcd_mbhc *mbhc)
+{
+ struct snd_soc_component *component = mbhc->component;
+
+ mutex_lock(&mbhc->lock);
+
+ /* enable HS detection */
+ if (mbhc->mbhc_cb->hph_pull_up_control_v2)
+ mbhc->mbhc_cb->hph_pull_up_control_v2(component,
+ HS_PULLUP_I_DEFAULT);
+ else if (mbhc->mbhc_cb->hph_pull_up_control)
+ mbhc->mbhc_cb->hph_pull_up_control(component, I_DEFAULT);
+ else
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_HS_L_DET_PULL_UP_CTRL, 3);
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_HPHL_PLUG_TYPE, mbhc->cfg->hphl_swh);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_GND_PLUG_TYPE, mbhc->cfg->gnd_swh);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_SW_HPH_LP_100K_TO_GND, 1);
+ if (mbhc->cfg->gnd_det_en && mbhc->mbhc_cb->mbhc_gnd_det_ctrl)
+ mbhc->mbhc_cb->mbhc_gnd_det_ctrl(component, true);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, 1);
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_L_DET_EN, 1);
+
+ /* Insertion debounce set to 96ms */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_INSREM_DBNC, 6);
+
+ /* Button Debounce set to 16ms */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_DBNC, 2);
+
+ /* enable bias */
+ mbhc->mbhc_cb->mbhc_bias(component, true);
+ /* enable MBHC clock */
+ if (mbhc->mbhc_cb->clk_setup)
+ mbhc->mbhc_cb->clk_setup(component, true);
+
+ /* program HS_VREF value */
+ wcd_program_hs_vref(mbhc);
+
+ wcd_program_btn_threshold(mbhc, false);
+
+ mutex_unlock(&mbhc->lock);
+
+ return 0;
+}
+
+static int wcd_mbhc_get_micbias(struct wcd_mbhc *mbhc)
+{
+ int micbias = 0;
+
+ if (mbhc->mbhc_cb->get_micbias_val) {
+ mbhc->mbhc_cb->get_micbias_val(mbhc->component, &micbias);
+ } else {
+ u8 vout_ctl = 0;
+ /* Read MBHC Micbias (Mic Bias2) voltage */
+ vout_ctl = wcd_mbhc_read_field(mbhc, WCD_MBHC_MICB2_VOUT);
+ /* Formula for getting micbias from vout
+ * micbias = 1.0V + VOUT_CTL * 50mV
+ */
+ micbias = 1000 + (vout_ctl * 50);
+ }
+ return micbias;
+}
+
+static int wcd_get_voltage_from_adc(u8 val, int micbias)
+{
+ /* Formula for calculating voltage from ADC
+ * Voltage = ADC_RESULT*12.5mV*V_MICBIAS/1.8
+ */
+ return ((val * 125 * micbias)/(WCD_MBHC_ADC_MICBIAS_MV * 10));
+}
+
+static int wcd_measure_adc_continuous(struct wcd_mbhc *mbhc)
+{
+ u8 adc_result;
+ int output_mv;
+ int retry = 3;
+ u8 adc_en;
+
+ /* Pre-requisites for ADC continuous measurement */
+ /* Read legacy electircal detection and disable */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_SCHMT_ISRC, 0x00);
+ /* Set ADC to continuous measurement */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_MODE, 1);
+ /* Read ADC Enable bit to restore after adc measurement */
+ adc_en = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_EN);
+ /* Disable ADC_ENABLE bit */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 0);
+ /* Disable MBHC FSM */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 0);
+ /* Set the MUX selection to IN2P */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MUX_CTL, MUX_CTL_IN2P);
+ /* Enable MBHC FSM */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ /* Enable ADC_ENABLE bit */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 1);
+
+ while (retry--) {
+ /* wait for 3 msec before reading ADC result */
+ usleep_range(3000, 3100);
+ adc_result = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_RESULT);
+ }
+
+ /* Restore ADC Enable */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, adc_en);
+ /* Get voltage from ADC result */
+ output_mv = wcd_get_voltage_from_adc(adc_result, wcd_mbhc_get_micbias(mbhc));
+
+ return output_mv;
+}
+
+static int wcd_measure_adc_once(struct wcd_mbhc *mbhc, int mux_ctl)
+{
+ struct device *dev = mbhc->dev;
+ u8 adc_timeout = 0;
+ u8 adc_complete = 0;
+ u8 adc_result;
+ int retry = 6;
+ int ret;
+ int output_mv = 0;
+ u8 adc_en;
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_MODE, 0);
+ /* Read ADC Enable bit to restore after adc measurement */
+ adc_en = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_EN);
+ /* Trigger ADC one time measurement */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 0);
+ /* Set the appropriate MUX selection */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MUX_CTL, mux_ctl);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 1);
+
+ while (retry--) {
+ /* wait for 600usec to get adc results */
+ usleep_range(600, 610);
+
+ /* check for ADC Timeout */
+ adc_timeout = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_TIMEOUT);
+ if (adc_timeout)
+ continue;
+
+ /* Read ADC complete bit */
+ adc_complete = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_COMPLETE);
+ if (!adc_complete)
+ continue;
+
+ /* Read ADC result */
+ adc_result = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_RESULT);
+
+ /* Get voltage from ADC result */
+ output_mv = wcd_get_voltage_from_adc(adc_result,
+ wcd_mbhc_get_micbias(mbhc));
+ break;
+ }
+
+ /* Restore ADC Enable */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, adc_en);
+
+ if (retry <= 0) {
+ dev_err(dev, "%s: adc complete: %d, adc timeout: %d\n",
+ __func__, adc_complete, adc_timeout);
+ ret = -EINVAL;
+ } else {
+ ret = output_mv;
+ }
+
+ return ret;
+}
+
+/* To determine if cross connection occurred */
+static int wcd_check_cross_conn(struct wcd_mbhc *mbhc)
+{
+ u8 adc_mode, elect_ctl, adc_en, fsm_en;
+ int hphl_adc_res, hphr_adc_res;
+ bool is_cross_conn = false;
+
+ /* If PA is enabled, dont check for cross-connection */
+ if (wcd_mbhc_read_field(mbhc, WCD_MBHC_HPH_PA_EN))
+ return -EINVAL;
+
+ /* Read legacy electircal detection and disable */
+ elect_ctl = wcd_mbhc_read_field(mbhc, WCD_MBHC_ELECT_SCHMT_ISRC);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_SCHMT_ISRC, 0);
+
+ /* Read and set ADC to single measurement */
+ adc_mode = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_MODE);
+ /* Read ADC Enable bit to restore after adc measurement */
+ adc_en = wcd_mbhc_read_field(mbhc, WCD_MBHC_ADC_EN);
+ /* Read FSM status */
+ fsm_en = wcd_mbhc_read_field(mbhc, WCD_MBHC_FSM_EN);
+
+ /* Get adc result for HPH L */
+ hphl_adc_res = wcd_measure_adc_once(mbhc, MUX_CTL_HPH_L);
+ if (hphl_adc_res < 0)
+ return hphl_adc_res;
+
+ /* Get adc result for HPH R in mV */
+ hphr_adc_res = wcd_measure_adc_once(mbhc, MUX_CTL_HPH_R);
+ if (hphr_adc_res < 0)
+ return hphr_adc_res;
+
+ if (hphl_adc_res > HPHL_CROSS_CONN_THRESHOLD ||
+ hphr_adc_res > HPHL_CROSS_CONN_THRESHOLD)
+ is_cross_conn = true;
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 0);
+ /* Set the MUX selection to Auto */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_MUX_CTL, MUX_CTL_AUTO);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, 1);
+ /* Restore ADC Enable */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, adc_en);
+ /* Restore ADC mode */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_MODE, adc_mode);
+ /* Restore FSM state */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_FSM_EN, fsm_en);
+ /* Restore electrical detection */
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_SCHMT_ISRC, elect_ctl);
+
+ return is_cross_conn;
+}
+
+static int wcd_mbhc_adc_get_hs_thres(struct wcd_mbhc *mbhc)
+{
+ int hs_threshold, micbias_mv;
+
+ micbias_mv = wcd_mbhc_get_micbias(mbhc);
+ if (mbhc->cfg->hs_thr) {
+ if (mbhc->cfg->micb_mv == micbias_mv)
+ hs_threshold = mbhc->cfg->hs_thr;
+ else
+ hs_threshold = (mbhc->cfg->hs_thr *
+ micbias_mv) / mbhc->cfg->micb_mv;
+ } else {
+ hs_threshold = ((WCD_MBHC_ADC_HS_THRESHOLD_MV *
+ micbias_mv) / WCD_MBHC_ADC_MICBIAS_MV);
+ }
+ return hs_threshold;
+}
+
+static int wcd_mbhc_adc_get_hph_thres(struct wcd_mbhc *mbhc)
+{
+ int hph_threshold, micbias_mv;
+
+ micbias_mv = wcd_mbhc_get_micbias(mbhc);
+ if (mbhc->cfg->hph_thr) {
+ if (mbhc->cfg->micb_mv == micbias_mv)
+ hph_threshold = mbhc->cfg->hph_thr;
+ else
+ hph_threshold = (mbhc->cfg->hph_thr *
+ micbias_mv) / mbhc->cfg->micb_mv;
+ } else {
+ hph_threshold = ((WCD_MBHC_ADC_HPH_THRESHOLD_MV *
+ micbias_mv) / WCD_MBHC_ADC_MICBIAS_MV);
+ }
+ return hph_threshold;
+}
+
+static void wcd_mbhc_adc_update_fsm_source(struct wcd_mbhc *mbhc,
+ enum wcd_mbhc_plug_type plug_type)
+{
+ bool micbias2 = false;
+
+ switch (plug_type) {
+ case MBHC_PLUG_TYPE_HEADPHONE:
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 3);
+ break;
+ case MBHC_PLUG_TYPE_HEADSET:
+ if (mbhc->mbhc_cb->micbias_enable_status)
+ micbias2 = mbhc->mbhc_cb->micbias_enable_status(mbhc->component,
+ MIC_BIAS_2);
+
+ if (!mbhc->is_hs_recording && !micbias2)
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 3);
+ break;
+ default:
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 0);
+ break;
+
+ };
+}
+
+static void wcd_mbhc_bcs_enable(struct wcd_mbhc *mbhc, int plug_type, bool enable)
+{
+ switch (plug_type) {
+ case MBHC_PLUG_TYPE_HEADSET:
+ case MBHC_PLUG_TYPE_HEADPHONE:
+ if (mbhc->mbhc_cb->bcs_enable)
+ mbhc->mbhc_cb->bcs_enable(mbhc->component, enable);
+ break;
+ default:
+ break;
+ }
+}
+
+static int wcd_mbhc_get_plug_from_adc(struct wcd_mbhc *mbhc, int adc_result)
+
+{
+ enum wcd_mbhc_plug_type plug_type;
+ u32 hph_thr, hs_thr;
+
+ hs_thr = wcd_mbhc_adc_get_hs_thres(mbhc);
+ hph_thr = wcd_mbhc_adc_get_hph_thres(mbhc);
+
+ if (adc_result < hph_thr)
+ plug_type = MBHC_PLUG_TYPE_HEADPHONE;
+ else if (adc_result > hs_thr)
+ plug_type = MBHC_PLUG_TYPE_HIGH_HPH;
+ else
+ plug_type = MBHC_PLUG_TYPE_HEADSET;
+
+ return plug_type;
+}
+
+static void wcd_correct_swch_plug(struct work_struct *work)
+{
+ struct wcd_mbhc *mbhc;
+ struct snd_soc_component *component;
+ enum wcd_mbhc_plug_type plug_type = MBHC_PLUG_TYPE_INVALID;
+ unsigned long timeout;
+ int pt_gnd_mic_swap_cnt = 0;
+ int output_mv, cross_conn, hs_threshold, try = 0;
+ bool is_pa_on;
+
+ mbhc = container_of(work, struct wcd_mbhc, correct_plug_swch);
+ component = mbhc->component;
+
+ hs_threshold = wcd_mbhc_adc_get_hs_thres(mbhc);
+
+ /* Mask ADC COMPLETE interrupt */
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_ins_intr);
+
+ /* Check for cross connection */
+ do {
+ cross_conn = wcd_check_cross_conn(mbhc);
+ try++;
+ } while (try < GND_MIC_SWAP_THRESHOLD);
+
+ if (cross_conn > 0) {
+ plug_type = MBHC_PLUG_TYPE_GND_MIC_SWAP;
+ dev_err(mbhc->dev, "cross connection found, Plug type %d\n",
+ plug_type);
+ goto correct_plug_type;
+ }
+
+ /* Find plug type */
+ output_mv = wcd_measure_adc_continuous(mbhc);
+ plug_type = wcd_mbhc_get_plug_from_adc(mbhc, output_mv);
+
+ /*
+ * Report plug type if it is either headset or headphone
+ * else start the 3 sec loop
+ */
+ switch (plug_type) {
+ case MBHC_PLUG_TYPE_HEADPHONE:
+ wcd_mbhc_find_plug_and_report(mbhc, plug_type);
+ break;
+ case MBHC_PLUG_TYPE_HEADSET:
+ wcd_mbhc_find_plug_and_report(mbhc, plug_type);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_MODE, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_DETECTION_DONE, 1);
+ break;
+ default:
+ break;
+ }
+
+correct_plug_type:
+
+ /* Disable BCS slow insertion detection */
+ wcd_mbhc_bcs_enable(mbhc, plug_type, false);
+
+ timeout = jiffies + msecs_to_jiffies(HS_DETECT_PLUG_TIME_MS);
+
+ while (!time_after(jiffies, timeout)) {
+ if (mbhc->hs_detect_work_stop) {
+ wcd_micbias_disable(mbhc);
+ goto exit;
+ }
+
+ msleep(180);
+ /*
+ * Use ADC single mode to minimize the chance of missing out
+ * btn press/release for HEADSET type during correct work.
+ */
+ output_mv = wcd_measure_adc_once(mbhc, MUX_CTL_IN2P);
+ plug_type = wcd_mbhc_get_plug_from_adc(mbhc, output_mv);
+ is_pa_on = wcd_mbhc_read_field(mbhc, WCD_MBHC_HPH_PA_EN);
+
+ if ((output_mv <= hs_threshold) && !is_pa_on) {
+ /* Check for cross connection*/
+ cross_conn = wcd_check_cross_conn(mbhc);
+ if (cross_conn > 0) { /* cross-connection */
+ pt_gnd_mic_swap_cnt++;
+ if (pt_gnd_mic_swap_cnt < GND_MIC_SWAP_THRESHOLD)
+ continue;
+ else
+ plug_type = MBHC_PLUG_TYPE_GND_MIC_SWAP;
+ } else if (!cross_conn) { /* no cross connection */
+ pt_gnd_mic_swap_cnt = 0;
+ plug_type = wcd_mbhc_get_plug_from_adc(mbhc, output_mv);
+ continue;
+ } else if (cross_conn < 0) /* Error */
+ continue;
+
+ if (pt_gnd_mic_swap_cnt == GND_MIC_SWAP_THRESHOLD) {
+ /* US_EU gpio present, flip switch */
+ if (mbhc->cfg->swap_gnd_mic) {
+ if (mbhc->cfg->swap_gnd_mic(component, true))
+ continue;
+ }
+ }
+ }
+
+ if (output_mv > hs_threshold) /* cable is extension cable */
+ plug_type = MBHC_PLUG_TYPE_HIGH_HPH;
+ }
+
+ wcd_mbhc_bcs_enable(mbhc, plug_type, true);
+
+ if (plug_type == MBHC_PLUG_TYPE_HIGH_HPH)
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ELECT_ISRC_EN, 1);
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_MODE, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 0);
+ wcd_mbhc_find_plug_and_report(mbhc, plug_type);
+
+ /*
+ * Set DETECTION_DONE bit for HEADSET
+ * so that btn press/release interrupt can be generated.
+ * For other plug type, clear the bit.
+ */
+ if (plug_type == MBHC_PLUG_TYPE_HEADSET)
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_DETECTION_DONE, 1);
+ else
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_DETECTION_DONE, 0);
+
+ if (mbhc->mbhc_cb->mbhc_micbias_control)
+ wcd_mbhc_adc_update_fsm_source(mbhc, plug_type);
+
+exit:
+ if (mbhc->mbhc_cb->mbhc_micbias_control/* && !mbhc->micbias_enable*/)
+ mbhc->mbhc_cb->mbhc_micbias_control(component, MIC_BIAS_2, MICB_DISABLE);
+
+ /*
+ * If plug type is corrected from special headset to headphone,
+ * clear the micbias enable flag, set micbias back to 1.8V and
+ * disable micbias.
+ */
+ if (plug_type == MBHC_PLUG_TYPE_HEADPHONE) {
+ wcd_micbias_disable(mbhc);
+ /*
+ * Enable ADC COMPLETE interrupt for HEADPHONE.
+ * Btn release may happen after the correct work, ADC COMPLETE
+ * interrupt needs to be captured to correct plug type.
+ */
+ enable_irq(mbhc->intr_ids->mbhc_hs_ins_intr);
+ }
+
+ if (mbhc->mbhc_cb->hph_pull_down_ctrl)
+ mbhc->mbhc_cb->hph_pull_down_ctrl(component, true);
+}
+
+static irqreturn_t wcd_mbhc_adc_hs_rem_irq(int irq, void *data)
+{
+ struct wcd_mbhc *mbhc = data;
+ unsigned long timeout;
+ int adc_threshold, output_mv, retry = 0;
+ bool hphpa_on = false;
+
+ mutex_lock(&mbhc->lock);
+ timeout = jiffies + msecs_to_jiffies(WCD_FAKE_REMOVAL_MIN_PERIOD_MS);
+ adc_threshold = wcd_mbhc_adc_get_hs_thres(mbhc);
+
+ do {
+ retry++;
+ /*
+ * read output_mv every 10ms to look for
+ * any change in IN2_P
+ */
+ usleep_range(10000, 10100);
+ output_mv = wcd_measure_adc_once(mbhc, MUX_CTL_IN2P);
+
+ /* Check for fake removal */
+ if ((output_mv <= adc_threshold) && retry > FAKE_REM_RETRY_ATTEMPTS)
+ goto exit;
+ } while (!time_after(jiffies, timeout));
+
+ /*
+ * ADC COMPLETE and ELEC_REM interrupts are both enabled for
+ * HEADPHONE, need to reject the ADC COMPLETE interrupt which
+ * follows ELEC_REM one when HEADPHONE is removed.
+ */
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE)
+ mbhc->extn_cable_hph_rem = true;
+
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_DETECTION_DONE, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_MODE, 0);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_ADC_EN, 0);
+ wcd_mbhc_elec_hs_report_unplug(mbhc);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_BTN_ISRC_CTL, 0);
+
+ if (hphpa_on) {
+ hphpa_on = false;
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_HPH_PA_EN, 3);
+ }
+exit:
+ mutex_unlock(&mbhc->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wcd_mbhc_adc_hs_ins_irq(int irq, void *data)
+{
+ struct wcd_mbhc *mbhc = data;
+ u8 clamp_state = 0;
+ u8 clamp_retry = WCD_MBHC_FAKE_INS_RETRY;
+
+ /*
+ * ADC COMPLETE and ELEC_REM interrupts are both enabled for HEADPHONE,
+ * need to reject the ADC COMPLETE interrupt which follows ELEC_REM one
+ * when HEADPHONE is removed.
+ */
+ if (mbhc->extn_cable_hph_rem == true) {
+ mbhc->extn_cable_hph_rem = false;
+ return IRQ_HANDLED;
+ }
+
+ do {
+ clamp_state = wcd_mbhc_read_field(mbhc, WCD_MBHC_IN2P_CLAMP_STATE);
+ if (clamp_state)
+ return IRQ_HANDLED;
+ /*
+ * check clamp for 120ms but at 30ms chunks to leave
+ * room for other interrupts to be processed
+ */
+ usleep_range(30000, 30100);
+ } while (--clamp_retry);
+
+ /*
+ * If current plug is headphone then there is no chance to
+ * get ADC complete interrupt, so connected cable should be
+ * headset not headphone.
+ */
+ if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE) {
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_ins_intr);
+ wcd_mbhc_write_field(mbhc, WCD_MBHC_DETECTION_DONE, 1);
+ wcd_mbhc_find_plug_and_report(mbhc, MBHC_PLUG_TYPE_HEADSET);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_HANDLED;
+}
+
+int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc, uint32_t *zl, uint32_t *zr)
+{
+ *zl = mbhc->zl;
+ *zr = mbhc->zr;
+
+ if (*zl && *zr)
+ return 0;
+ else
+ return -EINVAL;
+}
+EXPORT_SYMBOL(wcd_mbhc_get_impedance);
+
+void wcd_mbhc_set_hph_type(struct wcd_mbhc *mbhc, int hph_type)
+{
+ mbhc->hph_type = hph_type;
+}
+EXPORT_SYMBOL(wcd_mbhc_set_hph_type);
+
+int wcd_mbhc_get_hph_type(struct wcd_mbhc *mbhc)
+{
+ return mbhc->hph_type;
+}
+EXPORT_SYMBOL(wcd_mbhc_get_hph_type);
+
+int wcd_mbhc_start(struct wcd_mbhc *mbhc, struct wcd_mbhc_config *cfg,
+ struct snd_soc_jack *jack)
+{
+ if (!mbhc || !cfg || !jack)
+ return -EINVAL;
+
+ mbhc->cfg = cfg;
+ mbhc->jack = jack;
+
+ return wcd_mbhc_initialise(mbhc);
+}
+EXPORT_SYMBOL(wcd_mbhc_start);
+
+void wcd_mbhc_stop(struct wcd_mbhc *mbhc)
+{
+ mbhc->current_plug = MBHC_PLUG_TYPE_NONE;
+ mbhc->hph_status = 0;
+ disable_irq_nosync(mbhc->intr_ids->hph_left_ocp);
+ disable_irq_nosync(mbhc->intr_ids->hph_right_ocp);
+}
+EXPORT_SYMBOL(wcd_mbhc_stop);
+
+int wcd_dt_parse_mbhc_data(struct device *dev, struct wcd_mbhc_config *cfg)
+{
+ struct device_node *np = dev->of_node;
+ int ret, i, microvolt;
+
+ if (of_property_read_bool(np, "qcom,hphl-jack-type-normally-closed"))
+ cfg->hphl_swh = false;
+ else
+ cfg->hphl_swh = true;
+
+ if (of_property_read_bool(np, "qcom,ground-jack-type-normally-closed"))
+ cfg->gnd_swh = false;
+ else
+ cfg->gnd_swh = true;
+
+ ret = of_property_read_u32(np, "qcom,mbhc-headset-vthreshold-microvolt",
+ &microvolt);
+ if (ret)
+ dev_dbg(dev, "missing qcom,mbhc-hs-mic-max-vthreshold--microvolt in dt node\n");
+ else
+ cfg->hs_thr = microvolt/1000;
+
+ ret = of_property_read_u32(np, "qcom,mbhc-headphone-vthreshold-microvolt",
+ &microvolt);
+ if (ret)
+ dev_dbg(dev, "missing qcom,mbhc-hs-mic-min-vthreshold-microvolt entry\n");
+ else
+ cfg->hph_thr = microvolt/1000;
+
+ ret = of_property_read_u32_array(np,
+ "qcom,mbhc-buttons-vthreshold-microvolt",
+ &cfg->btn_high[0],
+ WCD_MBHC_DEF_BUTTONS);
+ if (ret)
+ dev_err(dev, "missing qcom,mbhc-buttons-vthreshold-microvolt entry\n");
+
+ for (i = 0; i < WCD_MBHC_DEF_BUTTONS; i++) {
+ if (ret) /* default voltage */
+ cfg->btn_high[i] = 500000;
+ else
+ /* Micro to Milli Volts */
+ cfg->btn_high[i] = cfg->btn_high[i]/1000;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(wcd_dt_parse_mbhc_data);
+
+struct wcd_mbhc *wcd_mbhc_init(struct snd_soc_component *component,
+ const struct wcd_mbhc_cb *mbhc_cb,
+ const struct wcd_mbhc_intr *intr_ids,
+ struct wcd_mbhc_field *fields,
+ bool impedance_det_en)
+{
+ struct device *dev = component->dev;
+ struct wcd_mbhc *mbhc;
+ int ret;
+
+ if (!intr_ids || !fields || !mbhc_cb || !mbhc_cb->mbhc_bias || !mbhc_cb->set_btn_thr) {
+ dev_err(dev, "%s: Insufficient mbhc configuration\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
+
+ mbhc = devm_kzalloc(dev, sizeof(*mbhc), GFP_KERNEL);
+ if (!mbhc)
+ return ERR_PTR(-ENOMEM);
+
+ mbhc->component = component;
+ mbhc->dev = dev;
+ mbhc->intr_ids = intr_ids;
+ mbhc->mbhc_cb = mbhc_cb;
+ mbhc->fields = fields;
+ mbhc->mbhc_detection_logic = WCD_DETECTION_ADC;
+
+ if (mbhc_cb->compute_impedance)
+ mbhc->impedance_detect = impedance_det_en;
+
+ INIT_DELAYED_WORK(&mbhc->mbhc_btn_dwork, wcd_btn_long_press_fn);
+
+ mutex_init(&mbhc->lock);
+
+ INIT_WORK(&mbhc->correct_plug_swch, wcd_correct_swch_plug);
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->mbhc_sw_intr, NULL,
+ wcd_mbhc_mech_plug_detect_irq,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "mbhc sw intr", mbhc);
+ if (ret)
+ goto err;
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->mbhc_btn_press_intr, NULL,
+ wcd_mbhc_btn_press_handler,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "Button Press detect", mbhc);
+ if (ret)
+ goto err;
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->mbhc_btn_release_intr, NULL,
+ wcd_mbhc_btn_release_handler,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "Button Release detect", mbhc);
+ if (ret)
+ goto err;
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->mbhc_hs_ins_intr, NULL,
+ wcd_mbhc_adc_hs_ins_irq,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "Elect Insert", mbhc);
+ if (ret)
+ goto err;
+
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_ins_intr);
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->mbhc_hs_rem_intr, NULL,
+ wcd_mbhc_adc_hs_rem_irq,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "Elect Remove", mbhc);
+ if (ret)
+ goto err;
+
+ disable_irq_nosync(mbhc->intr_ids->mbhc_hs_rem_intr);
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->hph_left_ocp, NULL,
+ wcd_mbhc_hphl_ocp_irq,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "HPH_L OCP detect", mbhc);
+ if (ret)
+ goto err;
+
+ ret = devm_request_threaded_irq(dev, mbhc->intr_ids->hph_right_ocp, NULL,
+ wcd_mbhc_hphr_ocp_irq,
+ IRQF_ONESHOT | IRQF_TRIGGER_RISING,
+ "HPH_R OCP detect", mbhc);
+ if (ret)
+ goto err;
+
+ return mbhc;
+err:
+ dev_err(dev, "Failed to request mbhc interrupts %d\n", ret);
+
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL(wcd_mbhc_init);
+
+void wcd_mbhc_deinit(struct wcd_mbhc *mbhc)
+{
+ mutex_lock(&mbhc->lock);
+ wcd_cancel_hs_detect_plug(mbhc, &mbhc->correct_plug_swch);
+ mutex_unlock(&mbhc->lock);
+}
+EXPORT_SYMBOL(wcd_mbhc_deinit);
+
+static int __init mbhc_init(void)
+{
+ return 0;
+}
+
+static void __exit mbhc_exit(void)
+{
+}
+
+module_init(mbhc_init);
+module_exit(mbhc_exit);
+
+MODULE_DESCRIPTION("wcd MBHC v2 module");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/wcd-mbhc-v2.h b/sound/soc/codecs/wcd-mbhc-v2.h
new file mode 100644
index 000000000000..006118f3e81f
--- /dev/null
+++ b/sound/soc/codecs/wcd-mbhc-v2.h
@@ -0,0 +1,340 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __WCD_MBHC_V2_H__
+#define __WCD_MBHC_V2_H__
+
+#include <sound/jack.h>
+
+#define WCD_MBHC_FIELD(id, rreg, rmask) \
+ [id] = { .reg = rreg, .mask = rmask }
+
+enum wcd_mbhc_field_function {
+ WCD_MBHC_L_DET_EN,
+ WCD_MBHC_GND_DET_EN,
+ WCD_MBHC_MECH_DETECTION_TYPE,
+ WCD_MBHC_MIC_CLAMP_CTL,
+ WCD_MBHC_ELECT_DETECTION_TYPE,
+ WCD_MBHC_HS_L_DET_PULL_UP_CTRL,
+ WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL,
+ WCD_MBHC_HPHL_PLUG_TYPE,
+ WCD_MBHC_GND_PLUG_TYPE,
+ WCD_MBHC_SW_HPH_LP_100K_TO_GND,
+ WCD_MBHC_ELECT_SCHMT_ISRC,
+ WCD_MBHC_FSM_EN,
+ WCD_MBHC_INSREM_DBNC,
+ WCD_MBHC_BTN_DBNC,
+ WCD_MBHC_HS_VREF,
+ WCD_MBHC_HS_COMP_RESULT,
+ WCD_MBHC_IN2P_CLAMP_STATE,
+ WCD_MBHC_MIC_SCHMT_RESULT,
+ WCD_MBHC_HPHL_SCHMT_RESULT,
+ WCD_MBHC_HPHR_SCHMT_RESULT,
+ WCD_MBHC_OCP_FSM_EN,
+ WCD_MBHC_BTN_RESULT,
+ WCD_MBHC_BTN_ISRC_CTL,
+ WCD_MBHC_ELECT_RESULT,
+ WCD_MBHC_MICB_CTRL, /* Pull-up and micb control */
+ WCD_MBHC_HPH_CNP_WG_TIME,
+ WCD_MBHC_HPHR_PA_EN,
+ WCD_MBHC_HPHL_PA_EN,
+ WCD_MBHC_HPH_PA_EN,
+ WCD_MBHC_SWCH_LEVEL_REMOVE,
+ WCD_MBHC_PULLDOWN_CTRL,
+ WCD_MBHC_ANC_DET_EN,
+ WCD_MBHC_FSM_STATUS,
+ WCD_MBHC_MUX_CTL,
+ WCD_MBHC_MOISTURE_STATUS,
+ WCD_MBHC_HPHR_GND,
+ WCD_MBHC_HPHL_GND,
+ WCD_MBHC_HPHL_OCP_DET_EN,
+ WCD_MBHC_HPHR_OCP_DET_EN,
+ WCD_MBHC_HPHL_OCP_STATUS,
+ WCD_MBHC_HPHR_OCP_STATUS,
+ WCD_MBHC_ADC_EN,
+ WCD_MBHC_ADC_COMPLETE,
+ WCD_MBHC_ADC_TIMEOUT,
+ WCD_MBHC_ADC_RESULT,
+ WCD_MBHC_MICB2_VOUT,
+ WCD_MBHC_ADC_MODE,
+ WCD_MBHC_DETECTION_DONE,
+ WCD_MBHC_ELECT_ISRC_EN,
+ WCD_MBHC_REG_FUNC_MAX,
+};
+
+#define WCD_MBHC_DEF_BUTTONS 8
+#define WCD_MBHC_KEYCODE_NUM 8
+#define WCD_MBHC_USLEEP_RANGE_MARGIN_US 100
+#define WCD_MBHC_THR_HS_MICB_MV 2700
+#define WCD_MONO_HS_MIN_THR 2
+
+enum wcd_mbhc_detect_logic {
+ WCD_DETECTION_LEGACY,
+ WCD_DETECTION_ADC,
+};
+
+enum wcd_mbhc_cs_mb_en_flag {
+ WCD_MBHC_EN_CS = 0,
+ WCD_MBHC_EN_MB,
+ WCD_MBHC_EN_PULLUP,
+ WCD_MBHC_EN_NONE,
+};
+
+enum {
+ WCD_MBHC_ELEC_HS_INS,
+ WCD_MBHC_ELEC_HS_REM,
+};
+
+enum wcd_mbhc_plug_type {
+ MBHC_PLUG_TYPE_INVALID = -1,
+ MBHC_PLUG_TYPE_NONE,
+ MBHC_PLUG_TYPE_HEADSET,
+ MBHC_PLUG_TYPE_HEADPHONE,
+ MBHC_PLUG_TYPE_HIGH_HPH,
+ MBHC_PLUG_TYPE_GND_MIC_SWAP,
+};
+
+enum pa_dac_ack_flags {
+ WCD_MBHC_HPHL_PA_OFF_ACK = 0,
+ WCD_MBHC_HPHR_PA_OFF_ACK,
+};
+
+enum wcd_mbhc_btn_det_mem {
+ WCD_MBHC_BTN_DET_V_BTN_LOW,
+ WCD_MBHC_BTN_DET_V_BTN_HIGH
+};
+
+enum {
+ MIC_BIAS_1 = 1,
+ MIC_BIAS_2,
+ MIC_BIAS_3,
+ MIC_BIAS_4
+};
+
+enum {
+ MICB_PULLUP_ENABLE,
+ MICB_PULLUP_DISABLE,
+ MICB_ENABLE,
+ MICB_DISABLE,
+};
+
+enum wcd_notify_event {
+ WCD_EVENT_INVALID,
+ /* events for micbias ON and OFF */
+ WCD_EVENT_PRE_MICBIAS_2_OFF,
+ WCD_EVENT_POST_MICBIAS_2_OFF,
+ WCD_EVENT_PRE_MICBIAS_2_ON,
+ WCD_EVENT_POST_MICBIAS_2_ON,
+ WCD_EVENT_PRE_DAPM_MICBIAS_2_OFF,
+ WCD_EVENT_POST_DAPM_MICBIAS_2_OFF,
+ WCD_EVENT_PRE_DAPM_MICBIAS_2_ON,
+ WCD_EVENT_POST_DAPM_MICBIAS_2_ON,
+ /* events for PA ON and OFF */
+ WCD_EVENT_PRE_HPHL_PA_ON,
+ WCD_EVENT_POST_HPHL_PA_OFF,
+ WCD_EVENT_PRE_HPHR_PA_ON,
+ WCD_EVENT_POST_HPHR_PA_OFF,
+ WCD_EVENT_PRE_HPHL_PA_OFF,
+ WCD_EVENT_PRE_HPHR_PA_OFF,
+ WCD_EVENT_OCP_OFF,
+ WCD_EVENT_OCP_ON,
+ WCD_EVENT_LAST,
+};
+
+enum wcd_mbhc_event_state {
+ WCD_MBHC_EVENT_PA_HPHL,
+ WCD_MBHC_EVENT_PA_HPHR,
+};
+
+enum wcd_mbhc_hph_type {
+ WCD_MBHC_HPH_NONE = 0,
+ WCD_MBHC_HPH_MONO,
+ WCD_MBHC_HPH_STEREO,
+};
+
+/*
+ * These enum definitions are directly mapped to the register
+ * definitions
+ */
+
+enum mbhc_hs_pullup_iref {
+ I_DEFAULT = -1,
+ I_OFF = 0,
+ I_1P0_UA,
+ I_2P0_UA,
+ I_3P0_UA,
+};
+
+enum mbhc_hs_pullup_iref_v2 {
+ HS_PULLUP_I_DEFAULT = -1,
+ HS_PULLUP_I_3P0_UA = 0,
+ HS_PULLUP_I_2P25_UA,
+ HS_PULLUP_I_1P5_UA,
+ HS_PULLUP_I_0P75_UA,
+ HS_PULLUP_I_1P125_UA = 0x05,
+ HS_PULLUP_I_0P375_UA = 0x07,
+ HS_PULLUP_I_2P0_UA,
+ HS_PULLUP_I_1P0_UA = 0x0A,
+ HS_PULLUP_I_0P5_UA,
+ HS_PULLUP_I_0P25_UA = 0x0F,
+ HS_PULLUP_I_0P125_UA = 0x17,
+ HS_PULLUP_I_OFF,
+};
+
+enum mbhc_moisture_rref {
+ R_OFF,
+ R_24_KOHM,
+ R_84_KOHM,
+ R_184_KOHM,
+};
+
+struct wcd_mbhc_config {
+ int btn_high[WCD_MBHC_DEF_BUTTONS];
+ int btn_low[WCD_MBHC_DEF_BUTTONS];
+ int v_hs_max;
+ int num_btn;
+ bool mono_stero_detection;
+ bool (*swap_gnd_mic)(struct snd_soc_component *component, bool active);
+ bool hs_ext_micbias;
+ bool gnd_det_en;
+ uint32_t linein_th;
+ bool moisture_en;
+ int mbhc_micbias;
+ int anc_micbias;
+ bool moisture_duty_cycle_en;
+ bool hphl_swh; /*track HPHL switch NC / NO */
+ bool gnd_swh; /*track GND switch NC / NO */
+ u32 hs_thr;
+ u32 hph_thr;
+ u32 micb_mv;
+ u32 moist_vref;
+ u32 moist_iref;
+ u32 moist_rref;
+};
+
+struct wcd_mbhc_intr {
+ int mbhc_sw_intr;
+ int mbhc_btn_press_intr;
+ int mbhc_btn_release_intr;
+ int mbhc_hs_ins_intr;
+ int mbhc_hs_rem_intr;
+ int hph_left_ocp;
+ int hph_right_ocp;
+};
+
+struct wcd_mbhc_field {
+ u16 reg;
+ u8 mask;
+};
+
+struct wcd_mbhc;
+
+struct wcd_mbhc_cb {
+ void (*update_cross_conn_thr)(struct snd_soc_component *component);
+ void (*get_micbias_val)(struct snd_soc_component *component, int *mb);
+ void (*bcs_enable)(struct snd_soc_component *component, bool bcs_enable);
+ void (*compute_impedance)(struct snd_soc_component *component,
+ uint32_t *zl, uint32_t *zr);
+ void (*set_micbias_value)(struct snd_soc_component *component);
+ void (*set_auto_zeroing)(struct snd_soc_component *component,
+ bool enable);
+ void (*clk_setup)(struct snd_soc_component *component, bool enable);
+ bool (*micbias_enable_status)(struct snd_soc_component *component, int micb_num);
+ void (*mbhc_bias)(struct snd_soc_component *component, bool enable);
+ void (*set_btn_thr)(struct snd_soc_component *component,
+ int *btn_low, int *btn_high,
+ int num_btn, bool is_micbias);
+ void (*hph_pull_up_control)(struct snd_soc_component *component,
+ enum mbhc_hs_pullup_iref);
+ int (*mbhc_micbias_control)(struct snd_soc_component *component,
+ int micb_num, int req);
+ void (*mbhc_micb_ramp_control)(struct snd_soc_component *component,
+ bool enable);
+ bool (*extn_use_mb)(struct snd_soc_component *component);
+ int (*mbhc_micb_ctrl_thr_mic)(struct snd_soc_component *component,
+ int micb_num, bool req_en);
+ void (*mbhc_gnd_det_ctrl)(struct snd_soc_component *component,
+ bool enable);
+ void (*hph_pull_down_ctrl)(struct snd_soc_component *component,
+ bool enable);
+ void (*mbhc_moisture_config)(struct snd_soc_component *component);
+ void (*update_anc_state)(struct snd_soc_component *component,
+ bool enable, int anc_num);
+ void (*hph_pull_up_control_v2)(struct snd_soc_component *component,
+ int pull_up_cur);
+ bool (*mbhc_get_moisture_status)(struct snd_soc_component *component);
+ void (*mbhc_moisture_polling_ctrl)(struct snd_soc_component *component, bool enable);
+ void (*mbhc_moisture_detect_en)(struct snd_soc_component *component, bool enable);
+};
+
+#if IS_ENABLED(CONFIG_SND_SOC_WCD_MBHC)
+int wcd_dt_parse_mbhc_data(struct device *dev, struct wcd_mbhc_config *cfg);
+int wcd_mbhc_start(struct wcd_mbhc *mbhc, struct wcd_mbhc_config *mbhc_cfg,
+ struct snd_soc_jack *jack);
+void wcd_mbhc_stop(struct wcd_mbhc *mbhc);
+void wcd_mbhc_set_hph_type(struct wcd_mbhc *mbhc, int hph_type);
+int wcd_mbhc_get_hph_type(struct wcd_mbhc *mbhc);
+struct wcd_mbhc *wcd_mbhc_init(struct snd_soc_component *component,
+ const struct wcd_mbhc_cb *mbhc_cb,
+ const struct wcd_mbhc_intr *mbhc_cdc_intr_ids,
+ struct wcd_mbhc_field *fields,
+ bool impedance_det_en);
+int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc, uint32_t *zl,
+ uint32_t *zr);
+void wcd_mbhc_deinit(struct wcd_mbhc *mbhc);
+int wcd_mbhc_event_notify(struct wcd_mbhc *mbhc, unsigned long event);
+
+#else
+static inline int wcd_dt_parse_mbhc_data(struct device *dev,
+ struct wcd_mbhc_config *cfg)
+{
+ return -ENOTSUPP;
+}
+
+static inline void wcd_mbhc_stop(struct wcd_mbhc *mbhc)
+{
+}
+
+static inline struct wcd_mbhc *wcd_mbhc_init(struct snd_soc_component *component,
+ const struct wcd_mbhc_cb *mbhc_cb,
+ const struct wcd_mbhc_intr *mbhc_cdc_intr_ids,
+ struct wcd_mbhc_field *fields,
+ bool impedance_det_en)
+{
+ return ERR_PTR(-ENOTSUPP);
+}
+
+static inline void wcd_mbhc_set_hph_type(struct wcd_mbhc *mbhc, int hph_type)
+{
+}
+
+static inline int wcd_mbhc_get_hph_type(struct wcd_mbhc *mbhc)
+{
+ return -ENOTSUPP;
+}
+
+static inline int wcd_mbhc_event_notify(struct wcd_mbhc *mbhc, unsigned long event)
+{
+ return -ENOTSUPP;
+}
+
+static inline int wcd_mbhc_start(struct wcd_mbhc *mbhc,
+ struct wcd_mbhc_config *mbhc_cfg,
+ struct snd_soc_jack *jack)
+{
+ return 0;
+}
+
+static inline int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc,
+ uint32_t *zl,
+ uint32_t *zr)
+{
+ *zl = 0;
+ *zr = 0;
+ return -EINVAL;
+}
+static inline void wcd_mbhc_deinit(struct wcd_mbhc *mbhc)
+{
+}
+#endif
+
+#endif /* __WCD_MBHC_V2_H__ */
diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c
index 046874ef490e..16fd1ab62609 100644
--- a/sound/soc/codecs/wcd934x.c
+++ b/sound/soc/codecs/wcd934x.c
@@ -21,6 +21,7 @@
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include "wcd-clsh-v2.h"
+#include "wcd-mbhc-v2.h"
#define WCD934X_RATES_MASK (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
@@ -131,6 +132,24 @@
} \
}
+/* Z value defined in milliohm */
+#define WCD934X_ZDET_VAL_32 32000
+#define WCD934X_ZDET_VAL_400 400000
+#define WCD934X_ZDET_VAL_1200 1200000
+#define WCD934X_ZDET_VAL_100K 100000000
+/* Z floating defined in ohms */
+#define WCD934X_ZDET_FLOATING_IMPEDANCE 0x0FFFFFFE
+
+#define WCD934X_ZDET_NUM_MEASUREMENTS 900
+#define WCD934X_MBHC_GET_C1(c) ((c & 0xC000) >> 14)
+#define WCD934X_MBHC_GET_X1(x) (x & 0x3FFF)
+/* Z value compared in milliOhm */
+#define WCD934X_MBHC_IS_SECOND_RAMP_REQUIRED(z) ((z > 400000) || (z < 32000))
+#define WCD934X_MBHC_ZDET_CONST (86 * 16384)
+#define WCD934X_MBHC_MOISTURE_RREF R_24_KOHM
+#define WCD934X_MBHC_MAX_BUTTONS (8)
+#define WCD_MBHC_HS_V_MAX 1600
+
#define WCD934X_INTERPOLATOR_PATH(id) \
{"RX INT" #id "_1 MIX1 INP0", "RX0", "SLIM RX0"}, \
{"RX INT" #id "_1 MIX1 INP0", "RX1", "SLIM RX1"}, \
@@ -287,12 +306,7 @@
{"AIF3_CAP Mixer", "SLIM TX" #id, "SLIM TX" #id }, \
{"SLIM TX" #id, NULL, "CDC_IF TX" #id " MUX"}
-enum {
- MIC_BIAS_1 = 1,
- MIC_BIAS_2,
- MIC_BIAS_3,
- MIC_BIAS_4
-};
+#define WCD934X_MAX_MICBIAS MIC_BIAS_4
enum {
SIDO_SOURCE_INTERNAL,
@@ -486,6 +500,15 @@ static struct interp_sample_rate sr_val_tbl[] = {
{352800, 0xC},
};
+struct wcd934x_mbhc_zdet_param {
+ u16 ldo_ctl;
+ u16 noff;
+ u16 nshift;
+ u16 btn5;
+ u16 btn6;
+ u16 btn7;
+};
+
struct wcd_slim_codec_dai_data {
struct list_head slim_ch_list;
struct slim_stream_config sconfig;
@@ -541,6 +564,18 @@ struct wcd934x_codec {
int comp_enabled[COMPANDER_MAX];
int sysclk_users;
struct mutex sysclk_mutex;
+ /* mbhc module */
+ struct wcd_mbhc *mbhc;
+ struct wcd_mbhc_config mbhc_cfg;
+ struct wcd_mbhc_intr intr_ids;
+ bool mbhc_started;
+ struct mutex micb_lock;
+ u32 micb_ref[WCD934X_MAX_MICBIAS];
+ u32 pullup_ref[WCD934X_MAX_MICBIAS];
+ u32 micb1_mv;
+ u32 micb2_mv;
+ u32 micb3_mv;
+ u32 micb4_mv;
};
#define to_wcd934x_codec(_hw) container_of(_hw, struct wcd934x_codec, hw)
@@ -1183,6 +1218,57 @@ static const struct soc_enum cdc_if_tx13_mux_enum =
SOC_ENUM_SINGLE(WCD934X_DATA_HUB_SB_TX13_INP_CFG, 0,
ARRAY_SIZE(cdc_if_tx13_mux_text), cdc_if_tx13_mux_text);
+static struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
+ WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD934X_ANA_MBHC_MECH, 0x80),
+ WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD934X_ANA_MBHC_MECH, 0x40),
+ WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD934X_ANA_MBHC_MECH, 0x20),
+ WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, WCD934X_MBHC_NEW_PLUG_DETECT_CTL, 0x30),
+ WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, WCD934X_ANA_MBHC_ELECT, 0x08),
+ WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, WCD934X_MBHC_NEW_PLUG_DETECT_CTL, 0xC0),
+ WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, WCD934X_ANA_MBHC_MECH, 0x04),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, WCD934X_ANA_MBHC_MECH, 0x10),
+ WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, WCD934X_ANA_MBHC_MECH, 0x08),
+ WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, WCD934X_ANA_MBHC_MECH, 0x01),
+ WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, WCD934X_ANA_MBHC_ELECT, 0x06),
+ WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, WCD934X_ANA_MBHC_ELECT, 0x80),
+ WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, WCD934X_MBHC_NEW_PLUG_DETECT_CTL, 0x0F),
+ WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, WCD934X_MBHC_NEW_CTL_1, 0x03),
+ WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, WCD934X_MBHC_NEW_CTL_2, 0x03),
+ WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, WCD934X_ANA_MBHC_RESULT_3, 0x08),
+ WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, WCD934X_ANA_MBHC_RESULT_3, 0x10),
+ WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, WCD934X_ANA_MBHC_RESULT_3, 0x20),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, WCD934X_ANA_MBHC_RESULT_3, 0x80),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, WCD934X_ANA_MBHC_RESULT_3, 0x40),
+ WCD_MBHC_FIELD(WCD_MBHC_OCP_FSM_EN, WCD934X_HPH_OCP_CTL, 0x10),
+ WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, WCD934X_ANA_MBHC_RESULT_3, 0x07),
+ WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, WCD934X_ANA_MBHC_ELECT, 0x70),
+ WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, WCD934X_ANA_MBHC_RESULT_3, 0xFF),
+ WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, WCD934X_ANA_MICB2, 0xC0),
+ WCD_MBHC_FIELD(WCD_MBHC_HPH_CNP_WG_TIME, WCD934X_HPH_CNP_WG_TIME, 0xFF),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, WCD934X_ANA_HPH, 0x40),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, WCD934X_ANA_HPH, 0x80),
+ WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, WCD934X_ANA_HPH, 0xC0),
+ WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, WCD934X_ANA_MBHC_RESULT_3, 0x10),
+ WCD_MBHC_FIELD(WCD_MBHC_ANC_DET_EN, WCD934X_MBHC_CTL_BCS, 0x02),
+ WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, WCD934X_MBHC_STATUS_SPARE_1, 0x01),
+ WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, WCD934X_MBHC_NEW_CTL_2, 0x70),
+ WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, WCD934X_MBHC_NEW_FSM_STATUS, 0x20),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHR_GND, WCD934X_HPH_PA_CTL2, 0x40),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHL_GND, WCD934X_HPH_PA_CTL2, 0x10),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, WCD934X_HPH_L_TEST, 0x01),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, WCD934X_HPH_R_TEST, 0x01),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, WCD934X_INTR_PIN1_STATUS0, 0x04),
+ WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, WCD934X_INTR_PIN1_STATUS0, 0x08),
+ WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, WCD934X_MBHC_NEW_CTL_1, 0x08),
+ WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, WCD934X_MBHC_NEW_FSM_STATUS, 0x40),
+ WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, WCD934X_MBHC_NEW_FSM_STATUS, 0x80),
+ WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, WCD934X_MBHC_NEW_ADC_RESULT, 0xFF),
+ WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, WCD934X_ANA_MICB2, 0x3F),
+ WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, WCD934X_MBHC_NEW_CTL_1, 0x10),
+ WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, WCD934X_MBHC_NEW_CTL_1, 0x04),
+ WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, WCD934X_ANA_MBHC_ZDET, 0x02),
+};
+
static int wcd934x_set_sido_input_src(struct wcd934x_codec *wcd, int sido_src)
{
if (sido_src == wcd->sido_input_src)
@@ -2127,7 +2213,8 @@ static struct clk *wcd934x_register_mclk_output(struct wcd934x_codec *wcd)
return NULL;
}
-static int wcd934x_get_micbias_val(struct device *dev, const char *micbias)
+static int wcd934x_get_micbias_val(struct device *dev, const char *micbias,
+ u32 *micb_mv)
{
int mv;
@@ -2145,6 +2232,8 @@ static int wcd934x_get_micbias_val(struct device *dev, const char *micbias)
mv = WCD934X_DEF_MICBIAS_MV;
}
+ *micb_mv = mv;
+
return (mv - 1000) / 50;
}
@@ -2155,13 +2244,17 @@ static int wcd934x_init_dmic(struct snd_soc_component *comp)
u32 def_dmic_rate, dmic_clk_drv;
vout_ctl_1 = wcd934x_get_micbias_val(comp->dev,
- "qcom,micbias1-microvolt");
+ "qcom,micbias1-microvolt",
+ &wcd->micb1_mv);
vout_ctl_2 = wcd934x_get_micbias_val(comp->dev,
- "qcom,micbias2-microvolt");
+ "qcom,micbias2-microvolt",
+ &wcd->micb2_mv);
vout_ctl_3 = wcd934x_get_micbias_val(comp->dev,
- "qcom,micbias3-microvolt");
+ "qcom,micbias3-microvolt",
+ &wcd->micb3_mv);
vout_ctl_4 = wcd934x_get_micbias_val(comp->dev,
- "qcom,micbias4-microvolt");
+ "qcom,micbias4-microvolt",
+ &wcd->micb4_mv);
snd_soc_component_update_bits(comp, WCD934X_ANA_MICB1,
WCD934X_MICB_VAL_MASK, vout_ctl_1);
@@ -2287,6 +2380,695 @@ static irqreturn_t wcd934x_slim_irq_handler(int irq, void *data)
return ret;
}
+static void wcd934x_mbhc_clk_setup(struct snd_soc_component *component,
+ bool enable)
+{
+ snd_soc_component_write_field(component, WCD934X_MBHC_NEW_CTL_1,
+ WCD934X_MBHC_CTL_RCO_EN_MASK, enable);
+}
+
+static void wcd934x_mbhc_mbhc_bias_control(struct snd_soc_component *component,
+ bool enable)
+{
+ snd_soc_component_write_field(component, WCD934X_ANA_MBHC_ELECT,
+ WCD934X_ANA_MBHC_BIAS_EN, enable);
+}
+
+static void wcd934x_mbhc_program_btn_thr(struct snd_soc_component *component,
+ int *btn_low, int *btn_high,
+ int num_btn, bool is_micbias)
+{
+ int i, vth;
+
+ if (num_btn > WCD_MBHC_DEF_BUTTONS) {
+ dev_err(component->dev, "%s: invalid number of buttons: %d\n",
+ __func__, num_btn);
+ return;
+ }
+
+ for (i = 0; i < num_btn; i++) {
+ vth = ((btn_high[i] * 2) / 25) & 0x3F;
+ snd_soc_component_write_field(component, WCD934X_ANA_MBHC_BTN0 + i,
+ WCD934X_MBHC_BTN_VTH_MASK, vth);
+ }
+}
+
+static bool wcd934x_mbhc_micb_en_status(struct snd_soc_component *component, int micb_num)
+{
+ u8 val;
+
+ if (micb_num == MIC_BIAS_2) {
+ val = snd_soc_component_read_field(component, WCD934X_ANA_MICB2,
+ WCD934X_ANA_MICB2_ENABLE_MASK);
+ if (val == WCD934X_MICB_ENABLE)
+ return true;
+ }
+ return false;
+}
+
+static void wcd934x_mbhc_hph_l_pull_up_control(struct snd_soc_component *component,
+ enum mbhc_hs_pullup_iref pull_up_cur)
+{
+ /* Default pull up current to 2uA */
+ if (pull_up_cur < I_OFF || pull_up_cur > I_3P0_UA ||
+ pull_up_cur == I_DEFAULT)
+ pull_up_cur = I_2P0_UA;
+
+
+ snd_soc_component_write_field(component, WCD934X_MBHC_NEW_PLUG_DETECT_CTL,
+ WCD934X_HSDET_PULLUP_C_MASK, pull_up_cur);
+}
+
+static int wcd934x_micbias_control(struct snd_soc_component *component,
+ int micb_num, int req, bool is_dapm)
+{
+ struct wcd934x_codec *wcd934x = snd_soc_component_get_drvdata(component);
+ int micb_index = micb_num - 1;
+ u16 micb_reg;
+
+ switch (micb_num) {
+ case MIC_BIAS_1:
+ micb_reg = WCD934X_ANA_MICB1;
+ break;
+ case MIC_BIAS_2:
+ micb_reg = WCD934X_ANA_MICB2;
+ break;
+ case MIC_BIAS_3:
+ micb_reg = WCD934X_ANA_MICB3;
+ break;
+ case MIC_BIAS_4:
+ micb_reg = WCD934X_ANA_MICB4;
+ break;
+ default:
+ dev_err(component->dev, "%s: Invalid micbias number: %d\n",
+ __func__, micb_num);
+ return -EINVAL;
+ };
+ mutex_lock(&wcd934x->micb_lock);
+
+ switch (req) {
+ case MICB_PULLUP_ENABLE:
+ wcd934x->pullup_ref[micb_index]++;
+ if ((wcd934x->pullup_ref[micb_index] == 1) &&
+ (wcd934x->micb_ref[micb_index] == 0))
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK,
+ WCD934X_MICB_PULL_UP);
+ break;
+ case MICB_PULLUP_DISABLE:
+ if (wcd934x->pullup_ref[micb_index] > 0)
+ wcd934x->pullup_ref[micb_index]--;
+
+ if ((wcd934x->pullup_ref[micb_index] == 0) &&
+ (wcd934x->micb_ref[micb_index] == 0))
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK, 0);
+ break;
+ case MICB_ENABLE:
+ wcd934x->micb_ref[micb_index]++;
+ if (wcd934x->micb_ref[micb_index] == 1) {
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK,
+ WCD934X_MICB_ENABLE);
+ if (micb_num == MIC_BIAS_2)
+ wcd_mbhc_event_notify(wcd934x->mbhc,
+ WCD_EVENT_POST_MICBIAS_2_ON);
+ }
+
+ if (micb_num == MIC_BIAS_2 && is_dapm)
+ wcd_mbhc_event_notify(wcd934x->mbhc,
+ WCD_EVENT_POST_DAPM_MICBIAS_2_ON);
+ break;
+ case MICB_DISABLE:
+ if (wcd934x->micb_ref[micb_index] > 0)
+ wcd934x->micb_ref[micb_index]--;
+
+ if ((wcd934x->micb_ref[micb_index] == 0) &&
+ (wcd934x->pullup_ref[micb_index] > 0))
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK,
+ WCD934X_MICB_PULL_UP);
+ else if ((wcd934x->micb_ref[micb_index] == 0) &&
+ (wcd934x->pullup_ref[micb_index] == 0)) {
+ if (micb_num == MIC_BIAS_2)
+ wcd_mbhc_event_notify(wcd934x->mbhc,
+ WCD_EVENT_PRE_MICBIAS_2_OFF);
+
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK, 0);
+ if (micb_num == MIC_BIAS_2)
+ wcd_mbhc_event_notify(wcd934x->mbhc,
+ WCD_EVENT_POST_MICBIAS_2_OFF);
+ }
+ if (is_dapm && micb_num == MIC_BIAS_2)
+ wcd_mbhc_event_notify(wcd934x->mbhc,
+ WCD_EVENT_POST_DAPM_MICBIAS_2_OFF);
+ break;
+ };
+
+ mutex_unlock(&wcd934x->micb_lock);
+
+ return 0;
+}
+
+static int wcd934x_mbhc_request_micbias(struct snd_soc_component *component,
+ int micb_num, int req)
+{
+ struct wcd934x_codec *wcd = dev_get_drvdata(component->dev);
+ int ret;
+
+ if (req == MICB_ENABLE)
+ __wcd934x_cdc_mclk_enable(wcd, true);
+
+ ret = wcd934x_micbias_control(component, micb_num, req, false);
+
+ if (req == MICB_DISABLE)
+ __wcd934x_cdc_mclk_enable(wcd, false);
+
+ return ret;
+}
+
+static void wcd934x_mbhc_micb_ramp_control(struct snd_soc_component *component,
+ bool enable)
+{
+ if (enable) {
+ snd_soc_component_write_field(component, WCD934X_ANA_MICB2_RAMP,
+ WCD934X_RAMP_SHIFT_CTRL_MASK, 0x3);
+ snd_soc_component_write_field(component, WCD934X_ANA_MICB2_RAMP,
+ WCD934X_RAMP_EN_MASK, 1);
+ } else {
+ snd_soc_component_write_field(component, WCD934X_ANA_MICB2_RAMP,
+ WCD934X_RAMP_EN_MASK, 0);
+ snd_soc_component_write_field(component, WCD934X_ANA_MICB2_RAMP,
+ WCD934X_RAMP_SHIFT_CTRL_MASK, 0);
+ }
+}
+
+static int wcd934x_get_micb_vout_ctl_val(u32 micb_mv)
+{
+ /* min micbias voltage is 1V and maximum is 2.85V */
+ if (micb_mv < 1000 || micb_mv > 2850)
+ return -EINVAL;
+
+ return (micb_mv - 1000) / 50;
+}
+
+static int wcd934x_mbhc_micb_adjust_voltage(struct snd_soc_component *component,
+ int req_volt, int micb_num)
+{
+ struct wcd934x_codec *wcd934x = snd_soc_component_get_drvdata(component);
+ int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0;
+
+ switch (micb_num) {
+ case MIC_BIAS_1:
+ micb_reg = WCD934X_ANA_MICB1;
+ break;
+ case MIC_BIAS_2:
+ micb_reg = WCD934X_ANA_MICB2;
+ break;
+ case MIC_BIAS_3:
+ micb_reg = WCD934X_ANA_MICB3;
+ break;
+ case MIC_BIAS_4:
+ micb_reg = WCD934X_ANA_MICB4;
+ break;
+ default:
+ return -EINVAL;
+ }
+ mutex_lock(&wcd934x->micb_lock);
+ /*
+ * If requested micbias voltage is same as current micbias
+ * voltage, then just return. Otherwise, adjust voltage as
+ * per requested value. If micbias is already enabled, then
+ * to avoid slow micbias ramp-up or down enable pull-up
+ * momentarily, change the micbias value and then re-enable
+ * micbias.
+ */
+ micb_en = snd_soc_component_read_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK);
+ cur_vout_ctl = snd_soc_component_read_field(component, micb_reg,
+ WCD934X_MICB_VAL_MASK);
+
+ req_vout_ctl = wcd934x_get_micb_vout_ctl_val(req_volt);
+ if (req_vout_ctl < 0) {
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ if (cur_vout_ctl == req_vout_ctl) {
+ ret = 0;
+ goto exit;
+ }
+
+ if (micb_en == WCD934X_MICB_ENABLE)
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK,
+ WCD934X_MICB_PULL_UP);
+
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_MICB_VAL_MASK,
+ req_vout_ctl);
+
+ if (micb_en == WCD934X_MICB_ENABLE) {
+ snd_soc_component_write_field(component, micb_reg,
+ WCD934X_ANA_MICB_EN_MASK,
+ WCD934X_MICB_ENABLE);
+ /*
+ * Add 2ms delay as per HW requirement after enabling
+ * micbias
+ */
+ usleep_range(2000, 2100);
+ }
+exit:
+ mutex_unlock(&wcd934x->micb_lock);
+ return ret;
+}
+
+static int wcd934x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component,
+ int micb_num, bool req_en)
+{
+ struct wcd934x_codec *wcd934x = snd_soc_component_get_drvdata(component);
+ int rc, micb_mv;
+
+ if (micb_num != MIC_BIAS_2)
+ return -EINVAL;
+ /*
+ * If device tree micbias level is already above the minimum
+ * voltage needed to detect threshold microphone, then do
+ * not change the micbias, just return.
+ */
+ if (wcd934x->micb2_mv >= WCD_MBHC_THR_HS_MICB_MV)
+ return 0;
+
+ micb_mv = req_en ? WCD_MBHC_THR_HS_MICB_MV : wcd934x->micb2_mv;
+
+ rc = wcd934x_mbhc_micb_adjust_voltage(component, micb_mv, MIC_BIAS_2);
+
+ return rc;
+}
+
+static inline void wcd934x_mbhc_get_result_params(struct wcd934x_codec *wcd934x,
+ s16 *d1_a, u16 noff,
+ int32_t *zdet)
+{
+ int i;
+ int val, val1;
+ s16 c1;
+ s32 x1, d1;
+ int32_t denom;
+ int minCode_param[] = {
+ 3277, 1639, 820, 410, 205, 103, 52, 26
+ };
+
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ZDET, 0x20, 0x20);
+ for (i = 0; i < WCD934X_ZDET_NUM_MEASUREMENTS; i++) {
+ regmap_read(wcd934x->regmap, WCD934X_ANA_MBHC_RESULT_2, &val);
+ if (val & 0x80)
+ break;
+ }
+ val = val << 0x8;
+ regmap_read(wcd934x->regmap, WCD934X_ANA_MBHC_RESULT_1, &val1);
+ val |= val1;
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ZDET, 0x20, 0x00);
+ x1 = WCD934X_MBHC_GET_X1(val);
+ c1 = WCD934X_MBHC_GET_C1(val);
+ /* If ramp is not complete, give additional 5ms */
+ if ((c1 < 2) && x1)
+ usleep_range(5000, 5050);
+
+ if (!c1 || !x1) {
+ dev_err(wcd934x->dev, "%s: Impedance detect ramp error, c1=%d, x1=0x%x\n",
+ __func__, c1, x1);
+ goto ramp_down;
+ }
+ d1 = d1_a[c1];
+ denom = (x1 * d1) - (1 << (14 - noff));
+ if (denom > 0)
+ *zdet = (WCD934X_MBHC_ZDET_CONST * 1000) / denom;
+ else if (x1 < minCode_param[noff])
+ *zdet = WCD934X_ZDET_FLOATING_IMPEDANCE;
+
+ dev_info(wcd934x->dev, "%s: d1=%d, c1=%d, x1=0x%x, z_val=%d(milliOhm)\n",
+ __func__, d1, c1, x1, *zdet);
+ramp_down:
+ i = 0;
+
+ while (x1) {
+ regmap_read(wcd934x->regmap, WCD934X_ANA_MBHC_RESULT_1, &val);
+ regmap_read(wcd934x->regmap, WCD934X_ANA_MBHC_RESULT_2, &val1);
+ val = val << 0x08;
+ val |= val1;
+ x1 = WCD934X_MBHC_GET_X1(val);
+ i++;
+ if (i == WCD934X_ZDET_NUM_MEASUREMENTS)
+ break;
+ }
+}
+
+static void wcd934x_mbhc_zdet_ramp(struct snd_soc_component *component,
+ struct wcd934x_mbhc_zdet_param *zdet_param,
+ int32_t *zl, int32_t *zr, s16 *d1_a)
+{
+ struct wcd934x_codec *wcd934x = dev_get_drvdata(component->dev);
+ int32_t zdet = 0;
+
+ snd_soc_component_write_field(component, WCD934X_MBHC_NEW_ZDET_ANA_CTL,
+ WCD934X_ZDET_MAXV_CTL_MASK, zdet_param->ldo_ctl);
+ snd_soc_component_update_bits(component, WCD934X_ANA_MBHC_BTN5,
+ WCD934X_VTH_MASK, zdet_param->btn5);
+ snd_soc_component_update_bits(component, WCD934X_ANA_MBHC_BTN6,
+ WCD934X_VTH_MASK, zdet_param->btn6);
+ snd_soc_component_update_bits(component, WCD934X_ANA_MBHC_BTN7,
+ WCD934X_VTH_MASK, zdet_param->btn7);
+ snd_soc_component_write_field(component, WCD934X_MBHC_NEW_ZDET_ANA_CTL,
+ WCD934X_ZDET_RANGE_CTL_MASK, zdet_param->noff);
+ snd_soc_component_update_bits(component, WCD934X_MBHC_NEW_ZDET_RAMP_CTL,
+ 0x0F, zdet_param->nshift);
+
+ if (!zl)
+ goto z_right;
+ /* Start impedance measurement for HPH_L */
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ZDET, 0x80, 0x80);
+ wcd934x_mbhc_get_result_params(wcd934x, d1_a, zdet_param->noff, &zdet);
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ZDET, 0x80, 0x00);
+
+ *zl = zdet;
+
+z_right:
+ if (!zr)
+ return;
+ /* Start impedance measurement for HPH_R */
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ZDET, 0x40, 0x40);
+ wcd934x_mbhc_get_result_params(wcd934x, d1_a, zdet_param->noff, &zdet);
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ZDET, 0x40, 0x00);
+
+ *zr = zdet;
+}
+
+static inline void wcd934x_wcd_mbhc_qfuse_cal(struct snd_soc_component *component,
+ int32_t *z_val, int flag_l_r)
+{
+ s16 q1;
+ int q1_cal;
+
+ if (*z_val < (WCD934X_ZDET_VAL_400/1000))
+ q1 = snd_soc_component_read(component,
+ WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT1 + (2 * flag_l_r));
+ else
+ q1 = snd_soc_component_read(component,
+ WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT2 + (2 * flag_l_r));
+ if (q1 & 0x80)
+ q1_cal = (10000 - ((q1 & 0x7F) * 25));
+ else
+ q1_cal = (10000 + (q1 * 25));
+ if (q1_cal > 0)
+ *z_val = ((*z_val) * 10000) / q1_cal;
+}
+
+static void wcd934x_wcd_mbhc_calc_impedance(struct snd_soc_component *component,
+ uint32_t *zl, uint32_t *zr)
+{
+ struct wcd934x_codec *wcd934x = dev_get_drvdata(component->dev);
+ s16 reg0, reg1, reg2, reg3, reg4;
+ int32_t z1L, z1R, z1Ls;
+ int zMono, z_diff1, z_diff2;
+ bool is_fsm_disable = false;
+ struct wcd934x_mbhc_zdet_param zdet_param[] = {
+ {4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */
+ {2, 0, 3, 0x18, 0x7C, 0x90}, /* 32ohm < Z < 400ohm */
+ {1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */
+ {1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */
+ };
+ struct wcd934x_mbhc_zdet_param *zdet_param_ptr = NULL;
+ s16 d1_a[][4] = {
+ {0, 30, 90, 30},
+ {0, 30, 30, 5},
+ {0, 30, 30, 5},
+ {0, 30, 30, 5},
+ };
+ s16 *d1 = NULL;
+
+ reg0 = snd_soc_component_read(component, WCD934X_ANA_MBHC_BTN5);
+ reg1 = snd_soc_component_read(component, WCD934X_ANA_MBHC_BTN6);
+ reg2 = snd_soc_component_read(component, WCD934X_ANA_MBHC_BTN7);
+ reg3 = snd_soc_component_read(component, WCD934X_MBHC_CTL_CLK);
+ reg4 = snd_soc_component_read(component, WCD934X_MBHC_NEW_ZDET_ANA_CTL);
+
+ if (snd_soc_component_read(component, WCD934X_ANA_MBHC_ELECT) & 0x80) {
+ is_fsm_disable = true;
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ELECT, 0x80, 0x00);
+ }
+
+ /* For NO-jack, disable L_DET_EN before Z-det measurements */
+ if (wcd934x->mbhc_cfg.hphl_swh)
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_MECH, 0x80, 0x00);
+
+ /* Turn off 100k pull down on HPHL */
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_MECH, 0x01, 0x00);
+
+ /* First get impedance on Left */
+ d1 = d1_a[1];
+ zdet_param_ptr = &zdet_param[1];
+ wcd934x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
+
+ if (!WCD934X_MBHC_IS_SECOND_RAMP_REQUIRED(z1L))
+ goto left_ch_impedance;
+
+ /* Second ramp for left ch */
+ if (z1L < WCD934X_ZDET_VAL_32) {
+ zdet_param_ptr = &zdet_param[0];
+ d1 = d1_a[0];
+ } else if ((z1L > WCD934X_ZDET_VAL_400) &&
+ (z1L <= WCD934X_ZDET_VAL_1200)) {
+ zdet_param_ptr = &zdet_param[2];
+ d1 = d1_a[2];
+ } else if (z1L > WCD934X_ZDET_VAL_1200) {
+ zdet_param_ptr = &zdet_param[3];
+ d1 = d1_a[3];
+ }
+ wcd934x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
+
+left_ch_impedance:
+ if ((z1L == WCD934X_ZDET_FLOATING_IMPEDANCE) ||
+ (z1L > WCD934X_ZDET_VAL_100K)) {
+ *zl = WCD934X_ZDET_FLOATING_IMPEDANCE;
+ zdet_param_ptr = &zdet_param[1];
+ d1 = d1_a[1];
+ } else {
+ *zl = z1L/1000;
+ wcd934x_wcd_mbhc_qfuse_cal(component, zl, 0);
+ }
+ dev_info(component->dev, "%s: impedance on HPH_L = %d(ohms)\n",
+ __func__, *zl);
+
+ /* Start of right impedance ramp and calculation */
+ wcd934x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1R, d1);
+ if (WCD934X_MBHC_IS_SECOND_RAMP_REQUIRED(z1R)) {
+ if (((z1R > WCD934X_ZDET_VAL_1200) &&
+ (zdet_param_ptr->noff == 0x6)) ||
+ ((*zl) != WCD934X_ZDET_FLOATING_IMPEDANCE))
+ goto right_ch_impedance;
+ /* Second ramp for right ch */
+ if (z1R < WCD934X_ZDET_VAL_32) {
+ zdet_param_ptr = &zdet_param[0];
+ d1 = d1_a[0];
+ } else if ((z1R > WCD934X_ZDET_VAL_400) &&
+ (z1R <= WCD934X_ZDET_VAL_1200)) {
+ zdet_param_ptr = &zdet_param[2];
+ d1 = d1_a[2];
+ } else if (z1R > WCD934X_ZDET_VAL_1200) {
+ zdet_param_ptr = &zdet_param[3];
+ d1 = d1_a[3];
+ }
+ wcd934x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1R, d1);
+ }
+right_ch_impedance:
+ if ((z1R == WCD934X_ZDET_FLOATING_IMPEDANCE) ||
+ (z1R > WCD934X_ZDET_VAL_100K)) {
+ *zr = WCD934X_ZDET_FLOATING_IMPEDANCE;
+ } else {
+ *zr = z1R/1000;
+ wcd934x_wcd_mbhc_qfuse_cal(component, zr, 1);
+ }
+ dev_err(component->dev, "%s: impedance on HPH_R = %d(ohms)\n",
+ __func__, *zr);
+
+ /* Mono/stereo detection */
+ if ((*zl == WCD934X_ZDET_FLOATING_IMPEDANCE) &&
+ (*zr == WCD934X_ZDET_FLOATING_IMPEDANCE)) {
+ dev_dbg(component->dev,
+ "%s: plug type is invalid or extension cable\n",
+ __func__);
+ goto zdet_complete;
+ }
+ if ((*zl == WCD934X_ZDET_FLOATING_IMPEDANCE) ||
+ (*zr == WCD934X_ZDET_FLOATING_IMPEDANCE) ||
+ ((*zl < WCD_MONO_HS_MIN_THR) && (*zr > WCD_MONO_HS_MIN_THR)) ||
+ ((*zl > WCD_MONO_HS_MIN_THR) && (*zr < WCD_MONO_HS_MIN_THR))) {
+ dev_dbg(component->dev,
+ "%s: Mono plug type with one ch floating or shorted to GND\n",
+ __func__);
+ wcd_mbhc_set_hph_type(wcd934x->mbhc, WCD_MBHC_HPH_MONO);
+ goto zdet_complete;
+ }
+ snd_soc_component_write_field(component, WCD934X_HPH_R_ATEST,
+ WCD934X_HPHPA_GND_OVR_MASK, 1);
+ snd_soc_component_write_field(component, WCD934X_HPH_PA_CTL2,
+ WCD934X_HPHPA_GND_R_MASK, 1);
+ if (*zl < (WCD934X_ZDET_VAL_32/1000))
+ wcd934x_mbhc_zdet_ramp(component, &zdet_param[0], &z1Ls, NULL, d1);
+ else
+ wcd934x_mbhc_zdet_ramp(component, &zdet_param[1], &z1Ls, NULL, d1);
+ snd_soc_component_write_field(component, WCD934X_HPH_PA_CTL2,
+ WCD934X_HPHPA_GND_R_MASK, 0);
+ snd_soc_component_write_field(component, WCD934X_HPH_R_ATEST,
+ WCD934X_HPHPA_GND_OVR_MASK, 0);
+ z1Ls /= 1000;
+ wcd934x_wcd_mbhc_qfuse_cal(component, &z1Ls, 0);
+ /* Parallel of left Z and 9 ohm pull down resistor */
+ zMono = ((*zl) * 9) / ((*zl) + 9);
+ z_diff1 = (z1Ls > zMono) ? (z1Ls - zMono) : (zMono - z1Ls);
+ z_diff2 = ((*zl) > z1Ls) ? ((*zl) - z1Ls) : (z1Ls - (*zl));
+ if ((z_diff1 * (*zl + z1Ls)) > (z_diff2 * (z1Ls + zMono))) {
+ dev_err(component->dev, "%s: stereo plug type detected\n",
+ __func__);
+ wcd_mbhc_set_hph_type(wcd934x->mbhc, WCD_MBHC_HPH_STEREO);
+ } else {
+ dev_err(component->dev, "%s: MONO plug type detected\n",
+ __func__);
+ wcd_mbhc_set_hph_type(wcd934x->mbhc, WCD_MBHC_HPH_MONO);
+ }
+
+zdet_complete:
+ snd_soc_component_write(component, WCD934X_ANA_MBHC_BTN5, reg0);
+ snd_soc_component_write(component, WCD934X_ANA_MBHC_BTN6, reg1);
+ snd_soc_component_write(component, WCD934X_ANA_MBHC_BTN7, reg2);
+ /* Turn on 100k pull down on HPHL */
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_MECH, 0x01, 0x01);
+
+ /* For NO-jack, re-enable L_DET_EN after Z-det measurements */
+ if (wcd934x->mbhc_cfg.hphl_swh)
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_MECH, 0x80, 0x80);
+
+ snd_soc_component_write(component, WCD934X_MBHC_NEW_ZDET_ANA_CTL, reg4);
+ snd_soc_component_write(component, WCD934X_MBHC_CTL_CLK, reg3);
+ if (is_fsm_disable)
+ regmap_update_bits(wcd934x->regmap, WCD934X_ANA_MBHC_ELECT, 0x80, 0x80);
+}
+
+static void wcd934x_mbhc_gnd_det_ctrl(struct snd_soc_component *component,
+ bool enable)
+{
+ if (enable) {
+ snd_soc_component_write_field(component, WCD934X_ANA_MBHC_MECH,
+ WCD934X_MBHC_HSG_PULLUP_COMP_EN, 1);
+ snd_soc_component_write_field(component, WCD934X_ANA_MBHC_MECH,
+ WCD934X_MBHC_GND_DET_EN_MASK, 1);
+ } else {
+ snd_soc_component_write_field(component, WCD934X_ANA_MBHC_MECH,
+ WCD934X_MBHC_GND_DET_EN_MASK, 0);
+ snd_soc_component_write_field(component, WCD934X_ANA_MBHC_MECH,
+ WCD934X_MBHC_HSG_PULLUP_COMP_EN, 0);
+ }
+}
+
+static void wcd934x_mbhc_hph_pull_down_ctrl(struct snd_soc_component *component,
+ bool enable)
+{
+ snd_soc_component_write_field(component, WCD934X_HPH_PA_CTL2,
+ WCD934X_HPHPA_GND_R_MASK, enable);
+ snd_soc_component_write_field(component, WCD934X_HPH_PA_CTL2,
+ WCD934X_HPHPA_GND_L_MASK, enable);
+}
+
+static const struct wcd_mbhc_cb mbhc_cb = {
+ .clk_setup = wcd934x_mbhc_clk_setup,
+ .mbhc_bias = wcd934x_mbhc_mbhc_bias_control,
+ .set_btn_thr = wcd934x_mbhc_program_btn_thr,
+ .micbias_enable_status = wcd934x_mbhc_micb_en_status,
+ .hph_pull_up_control = wcd934x_mbhc_hph_l_pull_up_control,
+ .mbhc_micbias_control = wcd934x_mbhc_request_micbias,
+ .mbhc_micb_ramp_control = wcd934x_mbhc_micb_ramp_control,
+ .mbhc_micb_ctrl_thr_mic = wcd934x_mbhc_micb_ctrl_threshold_mic,
+ .compute_impedance = wcd934x_wcd_mbhc_calc_impedance,
+ .mbhc_gnd_det_ctrl = wcd934x_mbhc_gnd_det_ctrl,
+ .hph_pull_down_ctrl = wcd934x_mbhc_hph_pull_down_ctrl,
+};
+
+static int wcd934x_get_hph_type(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct wcd934x_codec *wcd = snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.integer.value[0] = wcd_mbhc_get_hph_type(wcd->mbhc);
+
+ return 0;
+}
+
+static int wcd934x_hph_impedance_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ uint32_t zl, zr;
+ bool hphr;
+ struct soc_mixer_control *mc;
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct wcd934x_codec *wcd = snd_soc_component_get_drvdata(component);
+
+ mc = (struct soc_mixer_control *)(kcontrol->private_value);
+ hphr = mc->shift;
+ wcd_mbhc_get_impedance(wcd->mbhc, &zl, &zr);
+ dev_dbg(component->dev, "%s: zl=%u(ohms), zr=%u(ohms)\n", __func__, zl, zr);
+ ucontrol->value.integer.value[0] = hphr ? zr : zl;
+
+ return 0;
+}
+static const struct snd_kcontrol_new hph_type_detect_controls[] = {
+ SOC_SINGLE_EXT("HPH Type", 0, 0, UINT_MAX, 0,
+ wcd934x_get_hph_type, NULL),
+};
+
+static const struct snd_kcontrol_new impedance_detect_controls[] = {
+ SOC_SINGLE_EXT("HPHL Impedance", 0, 0, UINT_MAX, 0,
+ wcd934x_hph_impedance_get, NULL),
+ SOC_SINGLE_EXT("HPHR Impedance", 0, 1, UINT_MAX, 0,
+ wcd934x_hph_impedance_get, NULL),
+};
+
+static int wcd934x_mbhc_init(struct snd_soc_component *component)
+{
+ struct wcd934x_ddata *data = dev_get_drvdata(component->dev->parent);
+ struct wcd934x_codec *wcd = snd_soc_component_get_drvdata(component);
+ struct wcd_mbhc_intr *intr_ids = &wcd->intr_ids;
+
+ intr_ids->mbhc_sw_intr = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_MBHC_SW_DET);
+ intr_ids->mbhc_btn_press_intr = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_MBHC_BUTTON_PRESS_DET);
+ intr_ids->mbhc_btn_release_intr = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_MBHC_BUTTON_RELEASE_DET);
+ intr_ids->mbhc_hs_ins_intr = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_MBHC_ELECT_INS_REM_LEG_DET);
+ intr_ids->mbhc_hs_rem_intr = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_MBHC_ELECT_INS_REM_DET);
+ intr_ids->hph_left_ocp = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_HPH_PA_OCPL_FAULT);
+ intr_ids->hph_right_ocp = regmap_irq_get_virq(data->irq_data,
+ WCD934X_IRQ_HPH_PA_OCPR_FAULT);
+
+ wcd->mbhc = wcd_mbhc_init(component, &mbhc_cb, intr_ids, wcd_mbhc_fields, true);
+ if (IS_ERR(wcd->mbhc)) {
+ wcd->mbhc = NULL;
+ return -EINVAL;
+ }
+
+ snd_soc_add_component_controls(component, impedance_detect_controls,
+ ARRAY_SIZE(impedance_detect_controls));
+ snd_soc_add_component_controls(component, hph_type_detect_controls,
+ ARRAY_SIZE(hph_type_detect_controls));
+
+ return 0;
+}
static int wcd934x_comp_probe(struct snd_soc_component *component)
{
struct wcd934x_codec *wcd = dev_get_drvdata(component->dev);
@@ -2309,6 +3091,10 @@ static int wcd934x_comp_probe(struct snd_soc_component *component)
INIT_LIST_HEAD(&wcd->dai[i].slim_ch_list);
wcd934x_init_dmic(component);
+
+ if (wcd934x_mbhc_init(component))
+ dev_err(component->dev, "Failed to Initialize MBHC\n");
+
return 0;
}
@@ -3756,6 +4542,7 @@ static int wcd934x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
int event)
{
struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);
+ struct wcd934x_codec *wcd = snd_soc_component_get_drvdata(comp);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
@@ -3788,6 +4575,7 @@ static int wcd934x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
WCD934X_CDC_RX_PGA_MUTE_EN_MASK, 0x00);
break;
case SND_SOC_DAPM_PRE_PMD:
+ wcd_mbhc_event_notify(wcd->mbhc, WCD_EVENT_POST_HPHL_PA_OFF);
/* Enable DSD Mute before PA disable */
snd_soc_component_update_bits(comp, WCD934X_HPH_L_TEST,
WCD934X_HPH_OCP_DET_MASK,
@@ -3806,6 +4594,7 @@ static int wcd934x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
* disabled, then 20ms delay is needed after PA disable.
*/
usleep_range(20000, 20100);
+ wcd_mbhc_event_notify(wcd->mbhc, WCD_EVENT_POST_HPHL_PA_OFF);
break;
}
@@ -3817,6 +4606,7 @@ static int wcd934x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
int event)
{
struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);
+ struct wcd934x_codec *wcd = snd_soc_component_get_drvdata(comp);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
@@ -3851,6 +4641,7 @@ static int wcd934x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
WCD934X_CDC_RX_PGA_MUTE_DISABLE);
break;
case SND_SOC_DAPM_PRE_PMD:
+ wcd_mbhc_event_notify(wcd->mbhc, WCD_EVENT_PRE_HPHR_PA_OFF);
snd_soc_component_update_bits(comp, WCD934X_HPH_R_TEST,
WCD934X_HPH_OCP_DET_MASK,
WCD934X_HPH_OCP_DET_DISABLE);
@@ -3868,6 +4659,7 @@ static int wcd934x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
* disabled, then 20ms delay is needed after PA disable.
*/
usleep_range(20000, 20100);
+ wcd_mbhc_event_notify(wcd->mbhc, WCD_EVENT_POST_HPHR_PA_OFF);
break;
}
@@ -4323,6 +5115,29 @@ static int wcd934x_codec_enable_adc(struct snd_soc_dapm_widget *w,
return 0;
}
+static int wcd934x_codec_enable_micbias(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 micb_num = w->shift;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ wcd934x_micbias_control(component, micb_num, MICB_ENABLE, true);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ /* 1 msec delay as per HW requirement */
+ usleep_range(1000, 1100);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ wcd934x_micbias_control(component, micb_num, MICB_DISABLE, true);
+ break;
+ };
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget wcd934x_dapm_widgets[] = {
/* Analog Outputs */
SND_SOC_DAPM_OUTPUT("EAR"),
@@ -4778,13 +5593,17 @@ static const struct snd_soc_dapm_widget wcd934x_dapm_widgets[] = {
wcd934x_codec_enable_adc, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_ADC_E("ADC4", NULL, WCD934X_ANA_AMIC4, 7, 0,
wcd934x_codec_enable_adc, SND_SOC_DAPM_PRE_PMU),
- SND_SOC_DAPM_SUPPLY("MIC BIAS1", WCD934X_ANA_MICB1, 6, 0, NULL,
+ SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
+ wcd934x_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_SUPPLY("MIC BIAS2", WCD934X_ANA_MICB2, 6, 0, NULL,
+ SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
+ wcd934x_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_SUPPLY("MIC BIAS3", WCD934X_ANA_MICB3, 6, 0, NULL,
+ SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
+ wcd934x_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_SUPPLY("MIC BIAS4", WCD934X_ANA_MICB4, 6, 0, NULL,
+ SND_SOC_DAPM_SUPPLY("MIC BIAS4", SND_SOC_NOPM, MIC_BIAS_4, 0,
+ wcd934x_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("AMIC4_5 SEL", SND_SOC_NOPM, 0, 0, &tx_amic4_5),
@@ -4961,6 +5780,26 @@ static const struct snd_soc_dapm_route wcd934x_audio_map[] = {
{"SRC1", NULL, "IIR1"},
};
+static int wcd934x_codec_set_jack(struct snd_soc_component *comp,
+ struct snd_soc_jack *jack, void *data)
+{
+ struct wcd934x_codec *wcd = dev_get_drvdata(comp->dev);
+ int ret = 0;
+
+ if (!wcd->mbhc)
+ return -ENOTSUPP;
+
+ if (jack && !wcd->mbhc_started) {
+ ret = wcd_mbhc_start(wcd->mbhc, &wcd->mbhc_cfg, jack);
+ wcd->mbhc_started = true;
+ } else if (wcd->mbhc_started) {
+ wcd_mbhc_stop(wcd->mbhc);
+ wcd->mbhc_started = false;
+ }
+
+ return ret;
+}
+
static const struct snd_soc_component_driver wcd934x_component_drv = {
.probe = wcd934x_comp_probe,
.remove = wcd934x_comp_remove,
@@ -4971,11 +5810,13 @@ static const struct snd_soc_component_driver wcd934x_component_drv = {
.num_dapm_widgets = ARRAY_SIZE(wcd934x_dapm_widgets),
.dapm_routes = wcd934x_audio_map,
.num_dapm_routes = ARRAY_SIZE(wcd934x_audio_map),
+ .set_jack = wcd934x_codec_set_jack,
};
static int wcd934x_codec_parse_data(struct wcd934x_codec *wcd)
{
struct device *dev = &wcd->sdev->dev;
+ struct wcd_mbhc_config *cfg = &wcd->mbhc_cfg;
struct device_node *ifc_dev_np;
ifc_dev_np = of_parse_phandle(dev->of_node, "slim-ifc-dev", 0);
@@ -5001,6 +5842,18 @@ static int wcd934x_codec_parse_data(struct wcd934x_codec *wcd)
of_property_read_u32(dev->parent->of_node, "qcom,dmic-sample-rate",
&wcd->dmic_sample_rate);
+ cfg->mbhc_micbias = MIC_BIAS_2;
+ cfg->anc_micbias = MIC_BIAS_2;
+ cfg->v_hs_max = WCD_MBHC_HS_V_MAX;
+ cfg->num_btn = WCD934X_MBHC_MAX_BUTTONS;
+ cfg->micb_mv = wcd->micb2_mv;
+ cfg->linein_th = 5000;
+ cfg->hs_thr = 1700;
+ cfg->hph_thr = 50;
+
+ wcd_dt_parse_mbhc_data(dev, cfg);
+
+
return 0;
}
@@ -5020,6 +5873,7 @@ static int wcd934x_codec_probe(struct platform_device *pdev)
wcd->extclk = data->extclk;
wcd->sdev = to_slim_device(data->dev);
mutex_init(&wcd->sysclk_mutex);
+ mutex_init(&wcd->micb_lock);
ret = wcd934x_codec_parse_data(wcd);
if (ret) {
diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index 153e9b2de0b5..0adfc5708949 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -288,6 +288,14 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
snd_soc_dai_set_sysclk(codec_dai, 0,
WCD934X_DEFAULT_MCLK_RATE,
SNDRV_PCM_STREAM_PLAYBACK);
+
+ rval = snd_soc_component_set_jack(codec_dai->component,
+ &pdata->jack, NULL);
+ if (rval != 0 && rval != -ENOTSUPP) {
+ dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+ return rval;
+ }
+
}
break;
default:
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-08-07 22:29:02 +0000