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-rw-r--r--sound/soc/codecs/wcd-mbhc-v2.h340
1 files changed, 340 insertions, 0 deletions
diff --git a/sound/soc/codecs/wcd-mbhc-v2.h b/sound/soc/codecs/wcd-mbhc-v2.h
new file mode 100644
index 000000000..006118f3e
--- /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__ */