/* * extcon-arizona.c - Extcon driver Wolfson Arizona devices * * Copyright (C) 2012-2014 Wolfson Microelectronics plc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define ARIZONA_MAX_MICD_RANGE 8 #define ARIZONA_ACCDET_MODE_MIC 0 #define ARIZONA_ACCDET_MODE_HPL 1 #define ARIZONA_ACCDET_MODE_HPR 2 #define ARIZONA_ACCDET_MODE_HPM 4 #define ARIZONA_ACCDET_MODE_ADC 7 #define ARIZONA_ACCDET_MODE_INVALID 8 #define ARIZONA_MICD_CLAMP_MODE_JDL 0x4 #define ARIZONA_MICD_CLAMP_MODE_JDH 0x5 /* GP5 is analogous to JD2 (for systems without a dedicated second JD pin) */ #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5L 0x8 #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9 #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb #define ARIZONA_HPDET_MAX 10000 #define HPDET_DEBOUNCE 500 #define DEFAULT_MICD_TIMEOUT 2000 #define MICROPHONE_MIN_OHM 1258 #define MICROPHONE_MAX_OHM 30000 #define HP_NORMAL_IMPEDANCE 0 #define HP_LOW_IMPEDANCE 1 #define HP_LOW_IMPEDANCE_LIMIT 13 #define ARIZONA_MIC_MUTE 1 #define ARIZONA_MIC_UNMUTE 0 struct arizona_hpdet_calibration_data { int min; int max; s64 C0; /* value * 1000000 */ s64 C1; /* value * 10000 */ s64 C2; /* not multiplied */ s64 C3; /* value * 1000000 */ s64 C4_x_C3; /* value * 1000000 */ s64 C5; /* value * 1000000 */ s64 dacval_adjust; }; struct arizona_hpdet_d_trims { int off_x4; int grad_x4; }; struct arizona_extcon_info { struct device *dev; struct arizona *arizona; struct mutex lock; struct regulator *micvdd; struct input_dev *input; u16 last_jackdet; int micd_mode; const struct arizona_micd_config *micd_modes; int micd_num_modes; struct arizona_micd_range *micd_ranges; int num_micd_ranges; bool micd_reva; bool micd_clamp; int micd_res_old; int micd_debounce; int micd_count; int moisture_count; struct delayed_work hpdet_work; struct delayed_work micd_detect_work; struct delayed_work micd_clear_work; bool first_clear; bool hpdet_retried; int hp_imp_level; int num_hpdet_res; unsigned int hpdet_res[3]; bool mic; bool detecting; int jack_flips; int hpdet_ip_version; const struct arizona_hpdet_d_trims *hpdet_d_trims; const struct arizona_hpdet_calibration_data *calib_data; int calib_data_size; struct switch_dev edev; const struct arizona_jd_state *state; const struct arizona_jd_state *old_state; struct delayed_work state_timeout_work; struct wakeup_source detection_wake_lock; int mic_impedance; struct completion manual_mic_completion; int button_impedance; int button_check; bool wait_for_mic; }; static const struct arizona_micd_config micd_default_modes[] = { { ARIZONA_ACCDET_SRC, 1, 0 }, { 0, 2, 1 }, }; static struct arizona_micd_range micd_default_ranges[] = { { .max = 11, .key = BTN_0 }, { .max = 28, .key = BTN_1 }, { .max = 54, .key = BTN_2 }, { .max = 100, .key = BTN_3 }, { .max = 186, .key = BTN_4 }, { .max = 430, .key = BTN_5 }, { .max = -1, .key = -1 }, { .max = -1, .key = -1 }, }; /* The number of levels in arizona_micd_levels valid for button thresholds */ #define ARIZONA_NUM_MICD_BUTTON_LEVELS 64 static const int arizona_micd_levels[] = { 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46, 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100, 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245, 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071, 1257, 30000, }; /* These values are copied from Android WiredAccessoryObserver */ enum headset_state { BIT_NO_HEADSET = 0, BIT_HEADSET = (1 << 0), BIT_HEADSET_NO_MIC = (1 << 1), }; static ssize_t arizona_extcon_show(struct device *dev, struct device_attribute *attr, char *buf); static DEVICE_ATTR(hp_impedance, S_IRUGO, arizona_extcon_show, NULL); static ssize_t arizona_extcon_mic_show(struct device *dev, struct device_attribute *attr, char *buf); static DEVICE_ATTR(mic_impedance, S_IRUGO, arizona_extcon_mic_show, NULL); inline void arizona_extcon_report(struct arizona_extcon_info *info, int state) { dev_dbg(info->arizona->dev, "Switch Report: %d\n", state); switch_set_state(&info->edev, state); } EXPORT_SYMBOL_GPL(arizona_extcon_report); static int arizona_jds_get_mode(struct arizona_extcon_info *info) { int mode = ARIZONA_ACCDET_MODE_INVALID; if (info->state) mode = info->state->mode; return mode; } int arizona_jds_set_state(struct arizona_extcon_info *info, const struct arizona_jd_state *new_state) { int ret = 0; if (new_state != info->state) { if (info->state) info->state->stop(info); info->state = new_state; if (info->state) { ret = info->state->start(info); if (ret < 0) info->state = NULL; } } return ret; } EXPORT_SYMBOL_GPL(arizona_jds_set_state); static void arizona_jds_reading(struct arizona_extcon_info *info, int val) { int ret; ret = info->state->reading(info, val); if (ret == -EAGAIN && info->state->restart) info->state->restart(info); } static inline bool arizona_jds_cancel_timeout(struct arizona_extcon_info *info) { return cancel_delayed_work_sync(&info->state_timeout_work); } static void arizona_jds_start_timeout(struct arizona_extcon_info *info) { const struct arizona_jd_state *state = info->state; if (!state) return; if (state->timeout_ms && state->timeout) { int ms = state->timeout_ms(info); schedule_delayed_work(&info->state_timeout_work, msecs_to_jiffies(ms)); } } static void arizona_jds_timeout_work(struct work_struct *work) { struct arizona_extcon_info *info = container_of(work, struct arizona_extcon_info, state_timeout_work.work); mutex_lock(&info->lock); if (!info->state) { dev_warn(info->arizona->dev, "Spurious timeout in idle state\n"); } else if (!info->state->timeout) { dev_warn(info->arizona->dev, "Spurious timeout state.mode=%d\n", info->state->mode); } else { info->state->timeout(info); arizona_jds_start_timeout(info); } mutex_unlock(&info->lock); } static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, bool clamp) { struct arizona *arizona = info->arizona; unsigned int mask, val = 0; unsigned int cap_sel = 0; unsigned int edre_reg = 0, edre_val = 0; unsigned int ep_sel = 0; int ret; mutex_lock_nested(&arizona->dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); switch (arizona->type) { case WM5102: case WM8997: case WM8998: case WM1814: mask = ARIZONA_RMV_SHRT_HP1L; if (clamp) val = ARIZONA_RMV_SHRT_HP1L; break; case WM8280: case WM5110: mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; if (clamp) { val = ARIZONA_HP1L_SHRTO; cap_sel = 1; } else { val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; cap_sel = 3; } ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_TEST_CTRL_1, ARIZONA_HP1_TST_CAP_SEL_MASK, cap_sel); if (ret != 0) dev_warn(arizona->dev, "Failed to set TST_CAP_SEL: %d\n", ret); break; case CS47L35: /* check whether audio is routed to EPOUT, do not disable OUT1 * in that case */ regmap_read(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, &ep_sel); ep_sel &= ARIZONA_EP_SEL_MASK; /* fall through to next step to set common variables */ case WM8285: case WM1840: edre_reg = CLEARWATER_EDRE_MANUAL; mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; if (clamp) { val = ARIZONA_HP1L_SHRTO; edre_val = 0x3; } else { val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; edre_val = 0; } break; default: mask = 0; break; }; arizona->hpdet_clamp = clamp; /* Keep the HP output stages disabled while doing the clamp */ if (clamp && !ep_sel) { ret = regmap_update_bits(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, ARIZONA_OUT1L_ENA | ARIZONA_OUT1R_ENA, 0); if (ret != 0) dev_warn(arizona->dev, "Failed to disable headphone outputs: %d\n", ret); } if (edre_reg && !ep_sel) { ret = regmap_write(arizona->regmap, edre_reg, edre_val); if (ret != 0) dev_warn(arizona->dev, "Failed to set EDRE Manual: %d\n", ret); } if (mask) { ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L, mask, val); if (ret != 0) dev_warn(arizona->dev, "Failed to do clamp: %d\n", ret); ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R, mask, val); if (ret != 0) dev_warn(arizona->dev, "Failed to do clamp: %d\n", ret); } /* Restore the desired state while not doing the clamp */ if (!clamp && (arizona->hp_impedance > arizona->pdata.hpdet_short_circuit_imp) && !ep_sel) { ret = regmap_update_bits(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, ARIZONA_OUT1L_ENA | ARIZONA_OUT1R_ENA, arizona->hp_ena); if (ret != 0) dev_warn(arizona->dev, "Failed to restore headphone outputs: %d\n", ret); } mutex_unlock(&arizona->dapm->card->dapm_mutex); } static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) { struct arizona *arizona = info->arizona; mode %= info->micd_num_modes; if (arizona->pdata.micd_pol_gpio > 0) gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, info->micd_modes[mode].gpio); regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_BIAS_SRC_MASK, info->micd_modes[mode].bias << ARIZONA_MICD_BIAS_SRC_SHIFT); regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_SRC, info->micd_modes[mode].src); info->micd_mode = mode; dev_dbg(arizona->dev, "Set jack polarity to %d\n", mode); } static const char *arizona_extcon_get_micbias(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; switch (arizona->type) { case CS47L35: switch (info->micd_modes[0].bias) { case 1: return "MICBIAS1A"; case 2: return "MICBIAS1B"; case 3: return "MICBIAS2A"; default: return "MICVDD"; } default: switch (info->micd_modes[0].bias) { case 1: return "MICBIAS1"; case 2: return "MICBIAS2"; case 3: return "MICBIAS3"; case 4: return "MICBIAS4"; default: return "MICVDD"; } } } static void arizona_extcon_pulse_micbias(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; const char *widget = arizona_extcon_get_micbias(info); struct snd_soc_dapm_context *dapm = arizona->dapm; int ret; mutex_lock(&dapm->card->dapm_mutex); ret = snd_soc_dapm_force_enable_pin(dapm, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to enable %s: %d\n", widget, ret); mutex_unlock(&dapm->card->dapm_mutex); snd_soc_dapm_sync(dapm); if (arizona->pdata.micd_force_micbias_initial && info->detecting) return; if (!arizona->pdata.micd_force_micbias) { mutex_lock(&dapm->card->dapm_mutex); ret = snd_soc_dapm_disable_pin(arizona->dapm, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to disable %s: %d\n", widget, ret); mutex_unlock(&dapm->card->dapm_mutex); snd_soc_dapm_sync(dapm); } } static int arizona_micd_adc_read(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; unsigned int val = 0; int ret; regmap_read(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, &val); val &= ARIZONA_ACCDET_MODE_MASK; /* Must disable MICD before we read the ADCVAL */ ret = regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, 0); if (ret != 0) { dev_err(arizona->dev, "Failed to disable MICD: %d\n", ret); return ret; } ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_4, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read MICDET_ADCVAL: %d\n", ret); return ret; } dev_dbg(arizona->dev, "MICDET_ADCVAL: 0x%x\n", val); val &= ARIZONA_MICDET_ADCVAL_MASK; if (val < ARRAY_SIZE(arizona_micd_levels)) val = arizona_micd_levels[val]; else val = INT_MAX; return val; } static int arizona_micd_read(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; unsigned int val = 0; int ret, i; for (i = 0; i < 10 && !(val & MICD_LVL_0_TO_8); i++) { ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret); return ret; } dev_dbg(arizona->dev, "MICDET: 0x%x\n", val); if (!(val & ARIZONA_MICD_VALID)) { dev_warn(arizona->dev, "Microphone detection state invalid\n"); return -EINVAL; } } if (i == 10 && !(val & MICD_LVL_0_TO_8)) { dev_err(arizona->dev, "Failed to get valid MICDET value\n"); return -EINVAL; } if (!(val & ARIZONA_MICD_STS)) { val = INT_MAX; } else if (!(val & MICD_LVL_0_TO_7)) { val = arizona_micd_levels[ARRAY_SIZE(arizona_micd_levels) - 1]; } else { int lvl; lvl = (val & ARIZONA_MICD_LVL_MASK) >> ARIZONA_MICD_LVL_SHIFT; lvl = ffs(lvl) - 1; if (lvl < info->num_micd_ranges) { val = info->micd_ranges[lvl].max; } else { i = ARRAY_SIZE(arizona_micd_levels) - 2; val = arizona_micd_levels[i]; } } return val; } static struct { unsigned int threshold; unsigned int factor_a; unsigned int factor_b; } arizona_hpdet_b_ranges[] = { { 100, 5528, 362464 }, { 169, 11084, 6186851 }, { 169, 11065, 65460395 }, }; #define ARIZONA_HPDET_B_RANGE_MAX 0x3fb static struct { int min; int max; } arizona_hpdet_c_ranges[] = { { 0, 30 }, { 8, 100 }, { 100, 1000 }, { 1000, 10000 }, }; static const struct arizona_hpdet_calibration_data arizona_hpdet_d_ranges[] = { { 0, 30, 1007000, -7200, 4003, 69300000, 381150, 250000, 1500000}, { 8, 100, 1007000, -7200, 7975, 69600000, 382800, 250000, 1500000}, { 100, 1000, 9696000, -79500, 7300, 62900000, 345950, 250000, 1500000}, { 1000, 10000, 100684000, -949400, 7300, 63200000, 347600, 250000, 1500000}, }; static const struct arizona_hpdet_calibration_data arizona_hpdet_clearwater_ranges[] = { { 4, 30, 1007000, -7200, 4003, 69300000, 55, 250000, 500000}, { 8, 100, 1007000, -7200, 7975, 69600000, 55, 250000, 500000}, { 100, 1000, 9696000, -79500, 7300, 62900000, 55, 250000, 500000}, { 1000, 10000, 100684000, -949400, 7300, 63200000, 55, 250000, 500000}, }; static int arizona_hpdet_d_calibrate(const struct arizona_extcon_info *info, int dacval, int range) { int grad_x4 = info->hpdet_d_trims[range].grad_x4; int off_x4 = info->hpdet_d_trims[range].off_x4; s64 val = dacval; s64 n; dev_dbg(info->arizona->dev, "hpdet_d calib range %d dac %d\n", range, dacval); val = (val * 1000000) + info->calib_data[range].dacval_adjust; val = div64_s64(val, info->calib_data[range].C2); n = div_s64(1000000000000LL, info->calib_data[range].C3 + ((info->calib_data[range].C4_x_C3 * grad_x4) / 4)); n = val - n; if (n <= 0) return ARIZONA_HPDET_MAX; val = info->calib_data[range].C0 + ((info->calib_data[range].C1 * off_x4) / 4); val *= 1000000; val = div_s64(val, n); val -= info->calib_data[range].C5; /* Round up */ val += 500000; val = div_s64(val, 1000000); if (val < 0) return 0; else if (val > ARIZONA_HPDET_MAX) return ARIZONA_HPDET_MAX; return (int)val; } static int arizona_hpdet_read(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; unsigned int val, range; int ret; unsigned int val_down; ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read HPDET status: %d\n", ret); return ret; } switch (info->hpdet_ip_version) { case 0: if (!(val & ARIZONA_HP_DONE)) { dev_err(arizona->dev, "HPDET did not complete: %x\n", val); return -EAGAIN; } val &= ARIZONA_HP_LVL_MASK; break; case 1: if (!(val & ARIZONA_HP_DONE_B)) { dev_err(arizona->dev, "HPDET did not complete: %x\n", val); return -EAGAIN; } ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read HP value: %d\n", ret); return -EAGAIN; } regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, &range); range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 && (val < arizona_hpdet_b_ranges[range].threshold || val >= ARIZONA_HPDET_B_RANGE_MAX)) { range++; dev_dbg(arizona->dev, "Moving to HPDET range %d\n", range); regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK, range << ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); return -EAGAIN; } /* If we go out of range report top of range */ if (val < arizona_hpdet_b_ranges[range].threshold || val >= ARIZONA_HPDET_B_RANGE_MAX) { dev_dbg(arizona->dev, "Measurement out of range\n"); return ARIZONA_HPDET_MAX; } dev_dbg(arizona->dev, "HPDET read %d in range %d\n", val, range); val = arizona_hpdet_b_ranges[range].factor_b / ((val * 100) - arizona_hpdet_b_ranges[range].factor_a); break; default: dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", info->hpdet_ip_version); case 2: if (!(val & ARIZONA_HP_DONE_B)) { dev_err(arizona->dev, "HPDET did not complete: %x\n", val); return -EAGAIN; } val &= ARIZONA_HP_LVL_B_MASK; /* Convert to ohms, the value is in 0.5 ohm increments */ val /= 2; regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, &range); range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; /* Skip up a range, or report? */ if (range < ARRAY_SIZE(arizona_hpdet_c_ranges) - 1 && (val >= arizona_hpdet_c_ranges[range].max)) { range++; dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", arizona_hpdet_c_ranges[range].min, arizona_hpdet_c_ranges[range].max); regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK, range << ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); return -EAGAIN; } if (range && (val < arizona_hpdet_c_ranges[range].min)) { dev_dbg(arizona->dev, "Reporting range boundary %d\n", arizona_hpdet_c_ranges[range].min); val = arizona_hpdet_c_ranges[range].min; } break; case 3: case 4: if (!(val & ARIZONA_HP_DONE_B)) { dev_err(arizona->dev, "HPDET did not complete: %x\n", val); return -EAGAIN; } val &= ARIZONA_HP_LVL_B_MASK; val /= 2; regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, &range); range = (range & ARIZONA_HP_IMPEDANCE_RANGE_MASK) >> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT; /* Skip up a range, or report? */ if (range < info->calib_data_size - 1 && (val >= info->calib_data[range].max)) { range++; dev_dbg(arizona->dev, "Moving to HPDET range %d-%d\n", info->calib_data[range].min, info->calib_data[range].max); regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK, range << ARIZONA_HP_IMPEDANCE_RANGE_SHIFT); return -EAGAIN; } ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_3, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read HP value: %d\n", ret); return -EAGAIN; } val = (val >> ARIZONA_HP_DACVAL_SHIFT) & ARIZONA_HP_DACVAL_MASK; if (info->hpdet_ip_version == 4) { ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val_down); if (ret != 0) { dev_err(arizona->dev, "Failed to read HP DACVAL value: %d\n", ret); return -EAGAIN; } val_down = (val_down >> ARIZONA_HP_DACVAL_DOWN_SHIFT) & ARIZONA_HP_DACVAL_DOWN_MASK; val = (val + val_down) / 2; } val = arizona_hpdet_d_calibrate(info, val, range); break; } if (info->arizona->pdata.hpdet_ext_res) { if (info->arizona->pdata.hpdet_ext_res >= val) { dev_err(arizona->dev, "External resistor (%d) >= measurement (%d)\n", info->arizona->pdata.hpdet_ext_res, val); } else { dev_dbg(arizona->dev, "Compensating for external %d ohm resistor\n", info->arizona->pdata.hpdet_ext_res); val -= info->arizona->pdata.hpdet_ext_res; } } dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); return val; } static const struct reg_default wm5110_low_impedance_patch[] = { { 0x460, 0x0C21 }, { 0x461, 0xA000 }, { 0x462, 0x0C41 }, { 0x463, 0x50E5 }, { 0x464, 0x0C41 }, { 0x465, 0x4040 }, { 0x466, 0x0C41 }, { 0x467, 0x3940 }, { 0x468, 0x0C41 }, { 0x469, 0x2418 }, { 0x46A, 0x0846 }, { 0x46B, 0x1990 }, { 0x46C, 0x08C6 }, { 0x46D, 0x1450 }, { 0x46E, 0x04CE }, { 0x46F, 0x1020 }, { 0x470, 0x04CE }, { 0x471, 0x0CD0 }, { 0x472, 0x04CE }, { 0x473, 0x0A30 }, { 0x474, 0x044E }, { 0x475, 0x0660 }, { 0x476, 0x044E }, { 0x477, 0x0510 }, { 0x478, 0x04CE }, { 0x479, 0x0400 }, { 0x47A, 0x04CE }, { 0x47B, 0x0330 }, { 0x47C, 0x05DF }, { 0x47D, 0x0001 }, { 0x47E, 0x07FF }, { 0x483, 0x0021 }, }; static const struct reg_default wm5110_normal_impedance_patch[] = { { 0x460, 0x0C40 }, { 0x461, 0xA000 }, { 0x462, 0x0C42 }, { 0x463, 0x50E5 }, { 0x464, 0x0842 }, { 0x465, 0x4040 }, { 0x466, 0x0842 }, { 0x467, 0x3940 }, { 0x468, 0x0846 }, { 0x469, 0x2418 }, { 0x46A, 0x0442 }, { 0x46B, 0x1990 }, { 0x46C, 0x04C6 }, { 0x46D, 0x1450 }, { 0x46E, 0x04CE }, { 0x46F, 0x1020 }, { 0x470, 0x04CE }, { 0x471, 0x0CD0 }, { 0x472, 0x04CE }, { 0x473, 0x0A30 }, { 0x474, 0x044E }, { 0x475, 0x0660 }, { 0x476, 0x044E }, { 0x477, 0x0510 }, { 0x478, 0x04CE }, { 0x479, 0x0400 }, { 0x47A, 0x04CE }, { 0x47B, 0x0330 }, { 0x47C, 0x05DF }, { 0x47D, 0x0001 }, { 0x47E, 0x07FF }, { 0x483, 0x0021 }, }; static const struct reg_default wm1814_low_impedance_patch[] = { { 0x46C, 0x0C01 }, { 0x46E, 0x0C01 }, { 0x470, 0x0C01 }, }; static const struct reg_default wm1814_normal_impedance_patch[] = { { 0x46C, 0x0801 }, { 0x46E, 0x0801 }, { 0x470, 0x0801 }, }; static const struct reg_default clearwater_low_impedance_patch[] = { { 0x465, 0x4C6D }, { 0x467, 0x3950 }, { 0x469, 0x2D86 }, { 0x46B, 0x1E6D }, { 0x46D, 0x199A }, { 0x46F, 0x1456 }, { 0x483, 0x0826 }, }; static const struct reg_default clearwater_normal_impedance_patch[] = { { 0x465, 0x8A43 }, { 0x467, 0x7259 }, { 0x469, 0x65EA }, { 0x46B, 0x50F4 }, { 0x46D, 0x41CD }, { 0x46F, 0x199A }, { 0x483, 0x0023 }, }; static void arizona_hs_mic_control(struct arizona *arizona, int state) { unsigned int addr = ARIZONA_ADC_DIGITAL_VOLUME_1L; int val; if (!arizona->pdata.hs_mic) return; addr += (arizona->pdata.hs_mic - 1) * 4; switch (state) { case ARIZONA_MIC_MUTE: dev_dbg(arizona->dev, "Mute headset mic: 0x%04x\n", addr); val = ARIZONA_MIC_MUTE; break; case ARIZONA_MIC_UNMUTE: dev_dbg(arizona->dev, "Unmute headset mic: 0x%04x\n", addr); val = ARIZONA_MIC_UNMUTE; break; default: dev_err(arizona->dev, "Unknown headset mic control state: %d\n", state); return; } val <<= ARIZONA_IN1L_MUTE_SHIFT; regmap_update_bits(arizona->regmap, addr, ARIZONA_IN1L_MUTE_MASK, val); } static int arizona_wm5110_tune_headphone(struct arizona_extcon_info *info, int reading) { struct arizona *arizona = info->arizona; const struct reg_default *patch; int i, ret, size; if (reading <= arizona->pdata.hpdet_short_circuit_imp) { /* Headphones are always off here so just mark them */ dev_warn(arizona->dev, "Possible HP short, disabling\n"); return 0; } else if (reading <= HP_LOW_IMPEDANCE_LIMIT) { if (info->hp_imp_level == HP_LOW_IMPEDANCE) return 0; info->hp_imp_level = HP_LOW_IMPEDANCE; regmap_update_bits(arizona->regmap, ARIZONA_HP1_SHORT_CIRCUIT_CTRL, ARIZONA_HP1_SC_ENA_MASK, 0); patch = wm5110_low_impedance_patch; size = ARRAY_SIZE(wm5110_low_impedance_patch); } else { if (info->hp_imp_level == HP_NORMAL_IMPEDANCE) return 0; info->hp_imp_level = HP_NORMAL_IMPEDANCE; regmap_update_bits(arizona->regmap, ARIZONA_HP1_SHORT_CIRCUIT_CTRL, ARIZONA_HP1_SC_ENA_MASK, ARIZONA_HP1_SC_ENA_MASK); patch = wm5110_normal_impedance_patch; size = ARRAY_SIZE(wm5110_normal_impedance_patch); } for (i = 0; i < size; ++i) { ret = regmap_write(arizona->regmap, patch[i].reg, patch[i].def); if (ret != 0) dev_warn(arizona->dev, "Failed to write headphone patch: %x <= %x\n", patch[i].reg, patch[i].def); } return 0; } static int arizona_wm1814_tune_headphone(struct arizona_extcon_info *info, int reading) { struct arizona *arizona = info->arizona; const struct reg_default *patch; int i, ret, size; if (reading <= arizona->pdata.hpdet_short_circuit_imp) { /* Headphones are always off here so just mark them */ dev_warn(arizona->dev, "Possible HP short, disabling\n"); return 0; } else if (reading < 15) { if (info->hp_imp_level == HP_LOW_IMPEDANCE) return 0; info->hp_imp_level = HP_LOW_IMPEDANCE; patch = wm1814_low_impedance_patch; size = ARRAY_SIZE(wm1814_low_impedance_patch); } else { if (info->hp_imp_level == HP_NORMAL_IMPEDANCE) return 0; info->hp_imp_level = HP_NORMAL_IMPEDANCE; patch = wm1814_normal_impedance_patch; size = ARRAY_SIZE(wm1814_normal_impedance_patch); } for (i = 0; i < size; ++i) { ret = regmap_write(arizona->regmap, patch[i].reg, patch[i].def); if (ret != 0) dev_warn(arizona->dev, "Failed to write headphone patch: %x <= %x\n", patch[i].reg, patch[i].def); } return 0; } static int arizona_clearwater_tune_headphone(struct arizona_extcon_info *info, int reading) { struct arizona *arizona = info->arizona; const struct reg_default *patch; int i, ret, size; if (reading <= arizona->pdata.hpdet_short_circuit_imp) { /* Headphones are always off here so just mark them */ dev_warn(arizona->dev, "Possible HP short, disabling\n"); return 0; } else if (reading <= HP_LOW_IMPEDANCE_LIMIT) { if (info->hp_imp_level == HP_LOW_IMPEDANCE) return 0; info->hp_imp_level = HP_LOW_IMPEDANCE; patch = clearwater_low_impedance_patch; size = ARRAY_SIZE(clearwater_low_impedance_patch); } else { if (info->hp_imp_level == HP_NORMAL_IMPEDANCE) return 0; info->hp_imp_level = HP_NORMAL_IMPEDANCE; patch = clearwater_normal_impedance_patch; size = ARRAY_SIZE(clearwater_normal_impedance_patch); } for (i = 0; i < size; ++i) { ret = regmap_write(arizona->regmap, patch[i].reg, patch[i].def); if (ret != 0) dev_warn(arizona->dev, "Failed to write headphone patch: %x <= %x\n", patch[i].reg, patch[i].def); } return 0; } void arizona_set_headphone_imp(struct arizona_extcon_info *info, int imp) { struct arizona *arizona = info->arizona; arizona->hp_impedance = imp; if (arizona->pdata.hpdet_cb) arizona->pdata.hpdet_cb(arizona->hp_impedance); switch (arizona->type) { case WM5110: arizona_wm5110_tune_headphone(info, arizona->hp_impedance); break; case WM1814: arizona_wm1814_tune_headphone(info, arizona->hp_impedance); break; case WM8285: case WM1840: arizona_clearwater_tune_headphone(info, arizona->hp_impedance); break; default: break; } } EXPORT_SYMBOL_GPL(arizona_set_headphone_imp); int arizona_hpdet_start(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; dev_dbg(arizona->dev, "Starting HPDET\n"); /* If we specified to assume a fixed impedance skip HPDET */ if (info->arizona->pdata.fixed_hpdet_imp) { int imp = info->arizona->pdata.fixed_hpdet_imp; arizona_set_headphone_imp(info, imp); ret = -EEXIST; goto skip; } /* Make sure we keep the device enabled during the measurement */ pm_runtime_get_sync(info->dev); arizona_extcon_hp_clamp(info, true); ret = regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_MODE_MASK, info->state->mode); if (ret != 0) { dev_err(arizona->dev, "Failed to set HPDET mode (%d): %d\n", info->state->mode, ret); goto err; } ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_POLL, ARIZONA_HP_POLL); if (ret != 0) { dev_err(arizona->dev, "Can't start HPDET measurement: %d\n", ret); goto err; } return 0; err: arizona_extcon_hp_clamp(info, false); pm_runtime_put_autosuspend(info->dev); skip: return ret; } EXPORT_SYMBOL_GPL(arizona_hpdet_start); void arizona_hpdet_restart(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; /* Reset back to starting range */ regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, 0); regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_POLL, ARIZONA_HP_POLL); } EXPORT_SYMBOL_GPL(arizona_hpdet_restart); void arizona_hpdet_stop(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; /* Reset back to starting range */ regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, 0); /* Reset to default mode */ regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_MODE_MASK, 0); arizona_extcon_hp_clamp(info, false); pm_runtime_mark_last_busy(info->dev); pm_runtime_put_autosuspend(info->dev); } EXPORT_SYMBOL_GPL(arizona_hpdet_stop); static int arizona_hpdet_moisture_start(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; switch (arizona->type) { case WM5102: case WM8997: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_RATE, ARIZONA_HP_RATE); break; case WM5110: case WM8280: case WM1831: case CS47L24: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_FAST_MODE, ARIZONA_HP_FAST_MODE); break; case WM8998: case WM1814: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, VEGAS_HP_FAST_MODE, VEGAS_HP_FAST_MODE); break; default: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, CLEARWATER_HP_RATE_MASK, 0x2 << CLEARWATER_HP_RATE_SHIFT); break; } ret = arizona_hpdet_start(info); arizona_extcon_hp_clamp(info, false); return ret; } static void arizona_hpdet_moisture_stop(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; arizona_hpdet_stop(info); switch (arizona->type) { case WM5102: case WM8997: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_RATE, 0); break; case WM5110: case WM8280: case WM1831: case CS47L24: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_FAST_MODE, 0); break; case WM8998: case WM1814: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, VEGAS_HP_FAST_MODE, 0); break; default: regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, CLEARWATER_HP_RATE_MASK, 0); break; } } static int arizona_hpdet_moisture_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int debounce_lim = info->arizona->pdata.hpdet_moisture_debounce; if (val < 0) { return val; } else if (val < arizona->pdata.hpdet_moisture_imp) { if (arizona->pdata.micd_software_compare) arizona_jds_set_state(info, &arizona_micd_adc_mic); else arizona_jds_set_state(info, &arizona_micd_microphone); } else { if (debounce_lim) { if (++info->moisture_count < debounce_lim) { dev_dbg(info->arizona->dev, "Moisture software debounce: %d, %x\n", info->moisture_count, val); arizona_hpdet_restart(info); return -EAGAIN; } info->moisture_count = 0; } dev_warn(arizona->dev, "Jack detection due to moisture, ignoring\n"); arizona_jds_set_state(info, NULL); } return 0; } int arizona_hpdet_reading(struct arizona_extcon_info *info, int val) { if (val < 0) return val; arizona_set_headphone_imp(info, val); if (info->mic) { arizona_extcon_report(info, BIT_HEADSET); arizona_jds_set_state(info, &arizona_micd_button); } else { arizona_extcon_report(info, BIT_HEADSET_NO_MIC); arizona_jds_set_state(info, NULL); } return 0; } EXPORT_SYMBOL_GPL(arizona_hpdet_reading); int arizona_micd_start(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; /* Microphone detection can't use idle mode */ pm_runtime_get_sync(info->dev); if (info->micd_clamp) { switch (arizona->type) { case WM5102: case WM5110: case WM8997: case WM8998: case WM1814: case WM8280: break; default: dev_dbg(arizona->dev, "Disabling MICD_OVD\n"); regmap_update_bits(arizona->regmap, CLEARWATER_MICD_CLAMP_CONTROL, CLEARWATER_MICD_CLAMP_OVD_MASK, 0); break; } } ret = regulator_enable(info->micvdd); if (ret != 0) { dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", ret); } if (info->micd_reva) { mutex_lock(&arizona->reg_setting_lock); regmap_write(arizona->regmap, 0x80, 0x3); regmap_write(arizona->regmap, 0x294, 0); regmap_write(arizona->regmap, 0x80, 0x0); mutex_unlock(&arizona->reg_setting_lock); } regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_MODE_MASK, info->state->mode); arizona_extcon_pulse_micbias(info); regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, ARIZONA_MICD_ENA); return 0; } EXPORT_SYMBOL_GPL(arizona_micd_start); void arizona_micd_stop(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; const char *widget = arizona_extcon_get_micbias(info); struct snd_soc_dapm_context *dapm = arizona->dapm; int ret; regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, 0); mutex_lock(&dapm->card->dapm_mutex); ret = snd_soc_dapm_disable_pin(dapm, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to disable %s: %d\n", widget, ret); mutex_unlock(&dapm->card->dapm_mutex); snd_soc_dapm_sync(dapm); if (info->micd_reva) { mutex_lock(&arizona->reg_setting_lock); regmap_write(arizona->regmap, 0x80, 0x3); regmap_write(arizona->regmap, 0x294, 2); regmap_write(arizona->regmap, 0x80, 0x0); mutex_unlock(&arizona->reg_setting_lock); } /* Reset to default mode */ regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_MODE_MASK, 0); regulator_disable(info->micvdd); if (info->micd_clamp) { switch (arizona->type) { case WM5102: case WM5110: case WM8997: case WM8998: case WM1814: case WM8280: break; default: dev_dbg(arizona->dev, "Enabling MICD_OVD\n"); regmap_update_bits(arizona->regmap, CLEARWATER_MICD_CLAMP_CONTROL, CLEARWATER_MICD_CLAMP_OVD_MASK, CLEARWATER_MICD_CLAMP_OVD); break; } } pm_runtime_mark_last_busy(info->dev); pm_runtime_put_autosuspend(info->dev); } EXPORT_SYMBOL_GPL(arizona_micd_stop); static void arizona_micd_restart(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, 0); regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, ARIZONA_MICD_ENA); } static int arizona_micd_button_debounce(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int debounce_lim = arizona->pdata.micd_manual_debounce; if (debounce_lim) { if (info->micd_debounce != val) info->micd_count = 0; info->micd_debounce = val; info->micd_count++; if (info->micd_count == debounce_lim) { info->micd_count = 0; if (val == info->micd_res_old) return 0; info->micd_res_old = val; } else { dev_dbg(arizona->dev, "Software debounce: %d,%x\n", info->micd_count, val); arizona_micd_restart(info); return -EAGAIN; } } return 0; } static int arizona_micd_button_process(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int i, key; if (val < MICROPHONE_MIN_OHM) { dev_dbg(arizona->dev, "Mic button detected\n"); for (i = 0; i < info->num_micd_ranges; i++) input_report_key(info->input, info->micd_ranges[i].key, 0); for (i = 0; i < info->num_micd_ranges; i++) { if (val <= info->micd_ranges[i].max) { key = info->micd_ranges[i].key; input_report_key(info->input, key, 1); input_sync(info->input); break; } } if (i == info->num_micd_ranges) dev_warn(arizona->dev, "Button level %u out of range\n", val); } else { dev_dbg(arizona->dev, "Mic button released\n"); arizona_hs_mic_control(arizona, ARIZONA_MIC_UNMUTE); for (i = 0; i < info->num_micd_ranges; i++) input_report_key(info->input, info->micd_ranges[i].key, 0); input_sync(info->input); arizona_extcon_pulse_micbias(info); } return 0; } int arizona_micd_button_reading(struct arizona_extcon_info *info, int val) { int ret; if (val < 0) return val; ret = arizona_micd_button_debounce(info, val); if (ret < 0) return ret; return arizona_micd_button_process(info, val); } EXPORT_SYMBOL_GPL(arizona_micd_button_reading); static int arizona_antenna_moisture_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int debounce_lim = info->arizona->pdata.hpdet_moisture_debounce; if (val < 0) { return val; } else if (val < arizona->pdata.hpdet_moisture_imp) { arizona_jds_set_state(info, &arizona_antenna_mic_det); } else { if (debounce_lim) { if (++info->moisture_count < debounce_lim) { dev_dbg(info->arizona->dev, "Moisture software debounce: %d, %x\n", info->moisture_count, val); arizona_hpdet_restart(info); return -EAGAIN; } info->moisture_count = 0; } dev_warn(arizona->dev, "Jack detection due to moisture, ignoring\n"); arizona_jds_set_state(info, NULL); } return 0; } static int arizona_antenna_mic_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int ret; dev_dbg(arizona->dev, "%s: Reading: %d\n", __func__, val); if (val < 0) return val; ret = arizona_micd_button_debounce(info, val); if (ret < 0) return ret; info->button_impedance = 0; if (val > MICROPHONE_MAX_OHM) { info->mic = false; arizona_set_headphone_imp(info, ARIZONA_HP_Z_OPEN); arizona_extcon_report(info, BIT_NO_HEADSET); arizona_jds_set_state(info, &arizona_antenna_oc_det); } else { info->mic = (val >= MICROPHONE_MIN_OHM); if (arizona->pdata.hpdet_channel) ret = arizona_jds_set_state(info, &arizona_antenna_hpr_det); else ret = arizona_jds_set_state(info, &arizona_antenna_hp_det); if (ret < 0) { if (info->mic) arizona_extcon_report(info, BIT_HEADSET); else arizona_extcon_report(info, BIT_HEADSET_NO_MIC); } } if (arizona->pdata.micd_cb) arizona->pdata.micd_cb(true); return 0; } static int arizona_antenna_oc_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int ret; dev_dbg(arizona->dev, "%s: Reading: %d Ohms\n", __func__, val); if (val < 0) return val; ret = arizona_micd_button_debounce(info, val); if (ret < 0) return ret; if (val > MICROPHONE_MAX_OHM) return 0; arizona_jds_set_state(info, &arizona_antenna_mic_det); return 0; } static int arizona_antenna_hp_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; dev_dbg(arizona->dev, "%s: Reading: %d Ohms\n", __func__, val); if (val < 0) return val; arizona_set_headphone_imp(info, val); if (info->mic) { arizona_extcon_report(info, BIT_HEADSET); arizona_jds_set_state(info, &arizona_antenna_button_det); } else { arizona_extcon_report(info, BIT_HEADSET_NO_MIC); arizona_jds_set_state(info, &arizona_antenna_remove_det); } return 0; } static int arizona_antenna_remove_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int ret; dev_dbg(arizona->dev, "%s: Reading: %d Ohms\n", __func__, val); if (val < 0) return val; ret = arizona_micd_button_debounce(info, val); if (ret < 0) return ret; if (val < MICROPHONE_MIN_OHM) return 0; arizona_jds_set_state(info, &arizona_antenna_mic_det); return 0; } static int arizona_add_micd_levels(struct arizona_extcon_info *info); static unsigned int arizona_antenna_get_micd_level(int imp, int range) { unsigned int micd_lvl; int impd_lvl; impd_lvl = imp + range; /* check if impedance level is supported */ for (micd_lvl = 0; micd_lvl < ARIZONA_NUM_MICD_BUTTON_LEVELS; micd_lvl++) { if (arizona_micd_levels[micd_lvl] >= impd_lvl) break; } return micd_lvl; } static int arizona_antenna_add_micd_level(struct arizona_extcon_info *info, int imp) { struct arizona *arizona = info->arizona; struct arizona_pdata *pdata = &arizona->pdata; int i, j, micd_lvl; int ret = 0; unsigned int hp_imp_range_lo = ARIZONA_NUM_MICD_BUTTON_LEVELS; unsigned int hp_imp_range_hi = ARIZONA_NUM_MICD_BUTTON_LEVELS; /* check if additional impedance levels can be added */ if (info->num_micd_ranges + 2 > ARIZONA_MAX_MICD_RANGE) { dev_info(arizona->dev, "Cannot increase MICD ranges to: %d\n", info->num_micd_ranges + 2); ret = -EINVAL; goto err_input; } /* check if impedance level is supported */ for (micd_lvl = 0; micd_lvl < ARIZONA_NUM_MICD_BUTTON_LEVELS; micd_lvl++) { if (arizona_micd_levels[micd_lvl] >= imp) break; } if (micd_lvl == ARIZONA_NUM_MICD_BUTTON_LEVELS) { dev_info(arizona->dev, "Unsupported MICD level %d\n", imp); ret = -EINVAL; goto err_input; } if (pdata->antenna_hp_imp_range_hi || pdata->antenna_hp_imp_range_lo) { hp_imp_range_hi = arizona_antenna_get_micd_level(imp, pdata->antenna_hp_imp_range_hi); hp_imp_range_lo = arizona_antenna_get_micd_level(imp, -(pdata->antenna_hp_imp_range_lo)); } if (hp_imp_range_lo == ARIZONA_NUM_MICD_BUTTON_LEVELS || hp_imp_range_hi == ARIZONA_NUM_MICD_BUTTON_LEVELS) { hp_imp_range_hi = arizona_antenna_get_micd_level(imp, 0); if (hp_imp_range_hi - 2 > hp_imp_range_hi) hp_imp_range_lo = 0; else hp_imp_range_lo = hp_imp_range_hi - 2; } /* find index to insert an impedance level */ for (i = 0; i < info->num_micd_ranges; i++) { if (info->micd_ranges[i].max >= arizona_micd_levels[hp_imp_range_hi]) break; } if (info->micd_ranges[i].max == arizona_micd_levels[hp_imp_range_hi]) { dev_info(arizona->dev, "MICD level already used %d\n", imp); ret = -EINVAL; goto err_input; } if (hp_imp_range_lo == hp_imp_range_hi) { if ((hp_imp_range_hi != 0) && (i == 0)) hp_imp_range_lo = hp_imp_range_hi - 1; else if ((hp_imp_range_hi != 0) && (info->micd_ranges[i-1].max < arizona_micd_levels[hp_imp_range_hi - 1])) hp_imp_range_lo = hp_imp_range_hi - 1; else { dev_info(arizona->dev, "MICD level range cannot be added %d\n", hp_imp_range_lo); ret = -EINVAL; goto err_input; } } /* insert an impedance level */ for (j =( info->num_micd_ranges - 1); j >= i; j--) { info->micd_ranges[j+2].max = info->micd_ranges[j].max; info->micd_ranges[j+2].key = info->micd_ranges[j].key; } info->micd_ranges[i].max = arizona_micd_levels[hp_imp_range_lo]; if (i == info->num_micd_ranges) info->micd_ranges[i].key = info->micd_ranges[i-1].key; else info->micd_ranges[i].key = info->micd_ranges[i+2].key; info->micd_ranges[i+1].max =arizona_micd_levels[hp_imp_range_hi]; info->micd_ranges[i+1].key = -1; info->num_micd_ranges += 2; ret = arizona_add_micd_levels(info); err_input: return ret; } static int arizona_antenna_remove_micd_level(struct arizona_extcon_info *info, int imp) { struct arizona *arizona = info->arizona; int i, j; int ret =0; /* find index to remove */ for (i = 0; i < info->num_micd_ranges; i++) { if (info->micd_ranges[i].max == imp && info->micd_ranges[i].key == -1) break; } if (i == info->num_micd_ranges) { dev_info(arizona->dev, "MICD level %d doesn't exist\n", imp); ret = -EINVAL; goto err_input; } /* remove the impedance level */ info->num_micd_ranges -= 2;; for (j = i-1; j < info->num_micd_ranges; j++) { info->micd_ranges[j].max = info->micd_ranges[j+2].max; info->micd_ranges[j].key = info->micd_ranges[j+2].key; } ret = arizona_add_micd_levels(info); err_input: return ret; } static int arizona_antenna_button_start(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; struct arizona_pdata *pdata = &arizona->pdata; int i; unsigned int micd_lvl = ARIZONA_NUM_MICD_BUTTON_LEVELS; unsigned int hp_imp_range_hi = ARIZONA_NUM_MICD_BUTTON_LEVELS; info->button_impedance = 0; info->button_check = 0; info->wait_for_mic = false; /* check if impedance level is supported */ micd_lvl = arizona_antenna_get_micd_level(arizona->hp_impedance, 0); if (micd_lvl == ARIZONA_NUM_MICD_BUTTON_LEVELS) goto micd_start; if (pdata->antenna_hp_imp_range_hi) hp_imp_range_hi = arizona_antenna_get_micd_level(arizona->hp_impedance, pdata->antenna_hp_imp_range_hi); if (hp_imp_range_hi == ARIZONA_NUM_MICD_BUTTON_LEVELS) hp_imp_range_hi = micd_lvl; for (i = 0; i < info->num_micd_ranges; i++) { if (info->micd_ranges[i].key == -1) { break; } } if ((i != info->num_micd_ranges) && (info->micd_ranges[i].max != arizona_micd_levels[hp_imp_range_hi])) { arizona_antenna_remove_micd_level(info, info->micd_ranges[i].max); } arizona_antenna_add_micd_level(info, arizona->hp_impedance); for (i = 0; i < info->num_micd_ranges; i++) dev_dbg(arizona->dev, "%s: micd_lvl=%d: key=%d\n", __func__ , info->micd_ranges[i].max, info->micd_ranges[i].key); micd_start: return arizona_micd_start(info); } static bool arizona_antenna_is_valid_button(struct arizona_extcon_info *info, int imp) { int i; int key = -1; bool is_valid_button = true; if (imp < MICROPHONE_MIN_OHM) { for (i = 0; i < info->num_micd_ranges; i++) { if (imp <= info->micd_ranges[i].max) { key = info->micd_ranges[i].key; break; } } is_valid_button = key > 0 ? true : false; if (!is_valid_button) info->wait_for_mic = true; if (info->wait_for_mic) is_valid_button = false; } else { info->wait_for_mic = false; } return is_valid_button; } static int arizona_antenna_button_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int ret; dev_dbg(arizona->dev, "%s: Reading: %d Ohms\n", __func__, val); if (val < 0) return val; ret = arizona_micd_button_debounce(info, val); if (ret < 0) return ret; if (!arizona_antenna_is_valid_button(info, val)) return val; if (val > MICROPHONE_MAX_OHM) { int i; info->button_impedance = 0; info->button_check = 0; /* Clear any currently pressed buttons */ for (i = 0; i < info->num_micd_ranges; i++) input_report_key(info->input, info->micd_ranges[i].key, 0); input_sync(info->input); arizona_extcon_report(info, BIT_NO_HEADSET); arizona_jds_set_state(info, &arizona_antenna_mic_det); } else { switch (info->button_check) { case 0: info->button_impedance = val; if (arizona->pdata.antenna_manual_db_plugout) info->button_check = arizona->pdata.antenna_manual_db_plugout; else info->button_check = 2; return -EAGAIN; case 1: info->button_check = 0; arizona_micd_button_process(info, info->button_impedance); if (info->button_impedance != val) return -EAGAIN; break; default: info->button_check--; return -EAGAIN; } } return 0; } int arizona_micd_mic_start(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; info->detecting = true; ret = regulator_allow_bypass(info->micvdd, false); if (ret != 0) { dev_err(arizona->dev, "Failed to regulate MICVDD: %d\n", ret); } return arizona_micd_start(info); } EXPORT_SYMBOL_GPL(arizona_micd_mic_start); void arizona_micd_mic_stop(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; arizona_micd_stop(info); ret = regulator_allow_bypass(info->micvdd, true); if (ret != 0) { dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", ret); } info->detecting = false; } EXPORT_SYMBOL_GPL(arizona_micd_mic_stop); int arizona_micd_mic_reading(struct arizona_extcon_info *info, int val) { struct arizona *arizona = info->arizona; int ret; if (val < 0) return val; /* Due to jack detect this should never happen */ if (val > MICROPHONE_MAX_OHM) { dev_warn(arizona->dev, "Detected open circuit\n"); info->mic = arizona->pdata.micd_open_circuit_declare; goto done; } /* If we got a high impedence we should have a headset, report it. */ if (val >= MICROPHONE_MIN_OHM) { dev_dbg(arizona->dev, "Detected headset\n"); info->mic = true; arizona_hs_mic_control(arizona, ARIZONA_MIC_UNMUTE); goto done; } /* If we detected a lower impedence during initial startup * then we probably have the wrong polarity, flip it. Don't * do this for the lowest impedences to speed up detection of * plain headphones. If both polarities report a low * impedence then give up and report headphones. */ if (val > info->micd_ranges[0].max && info->micd_num_modes > 1) { if (info->jack_flips >= info->micd_num_modes * 10) { dev_dbg(arizona->dev, "Detected HP/line\n"); goto done; } else { info->micd_mode++; if (info->micd_mode == info->micd_num_modes) info->micd_mode = 0; arizona_extcon_set_mode(info, info->micd_mode); info->jack_flips++; return -EAGAIN; } } /* * If we're still detecting and we detect a short then we've * got a headphone. */ dev_dbg(arizona->dev, "Headphone detected\n"); done: pm_runtime_mark_last_busy(info->dev); if (arizona->pdata.hpdet_channel) ret = arizona_jds_set_state(info, &arizona_hpdet_right); else ret = arizona_jds_set_state(info, &arizona_hpdet_left); if (ret < 0) { if (info->mic) arizona_extcon_report(info, BIT_HEADSET); else arizona_extcon_report(info, BIT_HEADSET_NO_MIC); } if (arizona->pdata.micd_cb) arizona->pdata.micd_cb(info->mic); return 0; } EXPORT_SYMBOL_GPL(arizona_micd_mic_reading); int arizona_micd_mic_timeout_ms(struct arizona_extcon_info *info) { if (info->arizona->pdata.micd_timeout) return info->arizona->pdata.micd_timeout; else return DEFAULT_MICD_TIMEOUT; } EXPORT_SYMBOL_GPL(arizona_micd_mic_timeout_ms); void arizona_micd_mic_timeout(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); if (arizona->pdata.hpdet_channel) ret = arizona_jds_set_state(info, &arizona_hpdet_right); else ret = arizona_jds_set_state(info, &arizona_hpdet_left); if (ret < 0) arizona_extcon_report(info, BIT_HEADSET_NO_MIC); } EXPORT_SYMBOL_GPL(arizona_micd_mic_timeout); static int arizona_hpdet_acc_id_reading(struct arizona_extcon_info *info, int reading) { struct arizona *arizona = info->arizona; int id_gpio = arizona->pdata.hpdet_id_gpio; if (reading < 0) return reading; /* * When we're using HPDET for accessory identification we need * to take multiple measurements, step through them in sequence. */ info->hpdet_res[info->num_hpdet_res++] = reading; /* Only check the mic directly if we didn't already ID it */ if (id_gpio && info->num_hpdet_res == 1) { dev_dbg(arizona->dev, "Measuring mic\n"); regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, info->micd_modes[0].src | ARIZONA_ACCDET_MODE_HPR); gpio_set_value_cansleep(id_gpio, 1); return -EAGAIN; } /* OK, got both. Now, compare... */ dev_dbg(arizona->dev, "HPDET measured %d %d\n", info->hpdet_res[0], info->hpdet_res[1]); /* Take the headphone impedance for the main report */ reading = info->hpdet_res[0]; /* Sometimes we get false readings due to slow insert */ if (reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) { dev_dbg(arizona->dev, "Retrying high impedance\n"); info->num_hpdet_res = 0; info->hpdet_retried = true; regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, info->micd_modes[0].src | ARIZONA_ACCDET_MODE_HPL); return -EAGAIN; } if (!id_gpio || info->hpdet_res[1] > 50) { dev_dbg(arizona->dev, "Detected mic\n"); arizona_jds_set_state(info, &arizona_micd_microphone); } else { dev_dbg(arizona->dev, "Detected headphone\n"); arizona_extcon_report(info, BIT_HEADSET_NO_MIC); arizona_jds_set_state(info, NULL); } return 0; } static int arizona_hpdet_acc_id_start(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int hp_reading = 32; int ret; dev_dbg(arizona->dev, "Starting identification via HPDET\n"); /* Make sure we keep the device enabled during the measurement */ pm_runtime_get_sync(info->dev); arizona_extcon_hp_clamp(info, true); ret = regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_SRC | ARIZONA_ACCDET_MODE_MASK, info->micd_modes[0].src | ARIZONA_ACCDET_MODE_HPL); if (ret != 0) { dev_err(arizona->dev, "Failed to set HPDETL mode: %d\n", ret); goto err; } if (arizona->pdata.hpdet_acc_id_line) { ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_POLL, ARIZONA_HP_POLL); if (ret != 0) { dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n", ret); goto err; } } else { /** * If we are not identifying line outputs fake the first * reading at 32 ohms */ arizona_hpdet_acc_id_reading(info, hp_reading); } return 0; err: arizona_extcon_hp_clamp(info, false); pm_runtime_put_autosuspend(info->dev); /* Just report headphone */ arizona_extcon_report(info, BIT_HEADSET_NO_MIC); return ret; } static void arizona_hpdet_acc_id_stop(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int id_gpio = arizona->pdata.hpdet_id_gpio; /* Make sure everything is reset back to the real polarity */ regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_SRC, info->micd_modes[0].src); if (id_gpio) gpio_set_value_cansleep(id_gpio, 0); /* Rest of the clean is identical to standard hpdet */ arizona_hpdet_stop(info); } static int arizona_jack_present(struct arizona_extcon_info *info, unsigned int *jack_val) { struct arizona *arizona = info->arizona; unsigned int reg, val = 0; unsigned int mask, present; int ret; switch (arizona->type) { case WM5102: case WM5110: case WM8997: case WM8998: case WM1814: case WM8280: if (arizona->pdata.jd_gpio5) { mask = ARIZONA_MICD_CLAMP_STS; present = 0; } else { mask = ARIZONA_JD1_STS; if (arizona->pdata.jd_invert) present = 0; else present = ARIZONA_JD1_STS; } reg = ARIZONA_AOD_IRQ_RAW_STATUS; break; default: if (arizona->pdata.jd_gpio5) { mask = CLEARWATER_MICD_CLAMP_RISE_STS1; present = 0; } else { mask = ARIZONA_JD1_STS; if (arizona->pdata.jd_invert) present = 0; else present = ARIZONA_JD1_STS; } reg = CLEARWATER_IRQ1_RAW_STATUS_7; break; } ret = regmap_read(arizona->regmap, reg, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read jackdet status: %d\n", ret); return ret; } val &= mask; if (jack_val) *jack_val = val; if (val == present) return 1; else return 0; } static irqreturn_t arizona_hpdet_handler(int irq, void *data) { struct arizona_extcon_info *info = data; struct arizona *arizona = info->arizona; int ret; arizona_jds_cancel_timeout(info); mutex_lock(&info->lock); switch (arizona_jds_get_mode(info)) { case ARIZONA_ACCDET_MODE_HPL: case ARIZONA_ACCDET_MODE_HPR: case ARIZONA_ACCDET_MODE_HPM: /* Fall through to spurious if no jack present */ if (arizona_jack_present(info, NULL) > 0) break; default: dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); arizona_jds_start_timeout(info); mutex_unlock(&info->lock); return IRQ_NONE; } ret = arizona_hpdet_read(info); if (ret == -EAGAIN) goto out; arizona_jds_reading(info, ret); out: arizona_jds_start_timeout(info); pm_runtime_mark_last_busy(info->dev); mutex_unlock(&info->lock); return IRQ_HANDLED; } static void arizona_micd_handler(struct work_struct *work) { struct arizona_extcon_info *info = container_of(work, struct arizona_extcon_info, micd_detect_work.work); struct arizona *arizona = info->arizona; int mode; int ret; arizona_jds_cancel_timeout(info); mutex_lock(&info->lock); /* Must check that we are in a micd state before accessing * any codec registers */ mode = arizona_jds_get_mode(info); switch (mode) { case ARIZONA_ACCDET_MODE_MIC: case ARIZONA_ACCDET_MODE_ADC: break; default: goto spurious; } if (arizona_jack_present(info, NULL) <= 0) goto spurious; arizona_hs_mic_control(arizona, ARIZONA_MIC_MUTE); switch (mode) { case ARIZONA_ACCDET_MODE_MIC: ret = arizona_micd_read(info); break; case ARIZONA_ACCDET_MODE_ADC: ret = arizona_micd_adc_read(info); break; default: /* we can't get here but compiler still warns */ ret = 0; break; } if (ret == -EAGAIN) goto out; dev_dbg(arizona->dev, "Mic impedance %d ohms\n", ret); arizona_jds_reading(info, ret); out: arizona_jds_start_timeout(info); pm_runtime_mark_last_busy(info->dev); mutex_unlock(&info->lock); return; spurious: dev_warn(arizona->dev, "Spurious MICDET IRQ\n"); arizona_jds_start_timeout(info); mutex_unlock(&info->lock); } static void arizona_micd_input_clear(struct work_struct *work) { struct arizona_extcon_info *info = container_of(work, struct arizona_extcon_info, micd_clear_work.work); struct arizona *arizona = info->arizona; arizona_florida_clear_input(arizona); mutex_lock(&info->lock); if (info->first_clear) { schedule_delayed_work(&info->micd_clear_work, msecs_to_jiffies(900)); info->first_clear = false; } mutex_unlock(&info->lock); } static irqreturn_t arizona_micdet(int irq, void *data) { struct arizona_extcon_info *info = data; struct arizona *arizona = info->arizona; int debounce = arizona->pdata.micd_detect_debounce; cancel_delayed_work_sync(&info->micd_detect_work); cancel_delayed_work_sync(&info->micd_clear_work); mutex_lock(&info->lock); if (!info->detecting) debounce = 0; switch (arizona->type) { case WM8280: case WM5110: if (arizona->rev < 6) { info->first_clear = true; schedule_delayed_work(&info->micd_clear_work, msecs_to_jiffies(80)); } break; default: break; } mutex_unlock(&info->lock); /* Defer to the workqueue to ensure serialization * and prevent race conditions if an IRQ occurs while * running the delayed work */ schedule_delayed_work(&info->micd_detect_work, msecs_to_jiffies(debounce)); return IRQ_HANDLED; } const struct arizona_jd_state arizona_hpdet_moisture = { .mode = ARIZONA_ACCDET_MODE_HPL, .start = arizona_hpdet_moisture_start, .reading = arizona_hpdet_moisture_reading, .stop = arizona_hpdet_moisture_stop, }; EXPORT_SYMBOL_GPL(arizona_hpdet_moisture); const struct arizona_jd_state arizona_hpdet_moisture_r = { .mode = ARIZONA_ACCDET_MODE_HPR, .start = arizona_hpdet_moisture_start, .reading = arizona_hpdet_moisture_reading, .stop = arizona_hpdet_moisture_stop, }; EXPORT_SYMBOL_GPL(arizona_hpdet_moisture_r); const struct arizona_jd_state arizona_hpdet_left = { .mode = ARIZONA_ACCDET_MODE_HPL, .start = arizona_hpdet_start, .reading = arizona_hpdet_reading, .stop = arizona_hpdet_stop, }; EXPORT_SYMBOL_GPL(arizona_hpdet_left); const struct arizona_jd_state arizona_hpdet_right = { .mode = ARIZONA_ACCDET_MODE_HPR, .start = arizona_hpdet_start, .reading = arizona_hpdet_reading, .stop = arizona_hpdet_stop, }; EXPORT_SYMBOL_GPL(arizona_hpdet_right); const struct arizona_jd_state arizona_micd_button = { .mode = ARIZONA_ACCDET_MODE_MIC, .start = arizona_micd_start, .reading = arizona_micd_button_reading, .stop = arizona_micd_stop, }; EXPORT_SYMBOL_GPL(arizona_micd_button); const struct arizona_jd_state arizona_micd_adc_mic = { .mode = ARIZONA_ACCDET_MODE_ADC, .start = arizona_micd_mic_start, .restart = arizona_micd_restart, .reading = arizona_micd_mic_reading, .stop = arizona_micd_mic_stop, .timeout_ms = arizona_micd_mic_timeout_ms, .timeout = arizona_micd_mic_timeout, }; EXPORT_SYMBOL_GPL(arizona_micd_adc_mic); const struct arizona_jd_state arizona_micd_microphone = { .mode = ARIZONA_ACCDET_MODE_MIC, .start = arizona_micd_mic_start, .reading = arizona_micd_mic_reading, .stop = arizona_micd_mic_stop, .timeout_ms = arizona_micd_mic_timeout_ms, .timeout = arizona_micd_mic_timeout, }; EXPORT_SYMBOL_GPL(arizona_micd_microphone); const struct arizona_jd_state arizona_hpdet_acc_id = { .mode = ARIZONA_ACCDET_MODE_HPL, .start = arizona_hpdet_acc_id_start, .restart = arizona_hpdet_restart, .reading = arizona_hpdet_acc_id_reading, .stop = arizona_hpdet_acc_id_stop, }; EXPORT_SYMBOL_GPL(arizona_hpdet_acc_id); /* States for Antenna Detect */ const struct arizona_jd_state arizona_antenna_moisture = { .mode = ARIZONA_ACCDET_MODE_HPL, .start = arizona_hpdet_moisture_start, .reading = arizona_antenna_moisture_reading, .stop = arizona_hpdet_moisture_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_moisture); const struct arizona_jd_state arizona_antenna_moisture_r = { .mode = ARIZONA_ACCDET_MODE_HPR, .start = arizona_hpdet_moisture_start, .reading = arizona_antenna_moisture_reading, .stop = arizona_hpdet_moisture_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_moisture_r); const struct arizona_jd_state arizona_antenna_mic_det = { .mode = ARIZONA_ACCDET_MODE_ADC, .start = arizona_micd_mic_start, .reading = arizona_antenna_mic_reading, .stop = arizona_micd_mic_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_mic_det); const struct arizona_jd_state arizona_antenna_oc_det = { .mode = ARIZONA_ACCDET_MODE_MIC, .start = arizona_micd_mic_start, .reading = arizona_antenna_oc_reading, .stop = arizona_micd_mic_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_oc_det); const struct arizona_jd_state arizona_antenna_hp_det = { .mode = ARIZONA_ACCDET_MODE_HPL, .start = arizona_hpdet_start, .reading = arizona_antenna_hp_reading, .stop = arizona_hpdet_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_hp_det); const struct arizona_jd_state arizona_antenna_hpr_det = { .mode = ARIZONA_ACCDET_MODE_HPR, .start = arizona_hpdet_start, .reading = arizona_antenna_hp_reading, .stop = arizona_hpdet_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_hpr_det); const struct arizona_jd_state arizona_antenna_button_det = { .mode = ARIZONA_ACCDET_MODE_MIC, .start = arizona_antenna_button_start, .restart = arizona_micd_restart, .reading = arizona_antenna_button_reading, .stop = arizona_micd_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_button_det); const struct arizona_jd_state arizona_antenna_remove_det = { .mode = ARIZONA_ACCDET_MODE_MIC, .start = arizona_micd_start, .reading = arizona_antenna_remove_reading, .stop = arizona_micd_stop, }; EXPORT_SYMBOL_GPL(arizona_antenna_remove_det); static void arizona_hpdet_work(struct work_struct *work) { struct arizona_extcon_info *info = container_of(work, struct arizona_extcon_info, hpdet_work.work); mutex_lock(&info->lock); arizona_jds_set_state(info, &arizona_hpdet_acc_id); mutex_unlock(&info->lock); } static irqreturn_t arizona_jackdet(int irq, void *data) { struct arizona_extcon_info *info = data; struct arizona *arizona = info->arizona; unsigned int reg, val, mask; bool cancelled_hp, cancelled_state; int i, present; cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); cancelled_state = arizona_jds_cancel_timeout(info); pm_runtime_get_sync(info->dev); mutex_lock(&info->lock); val = 0; present = arizona_jack_present(info, &val); if (present < 0) { mutex_unlock(&info->lock); pm_runtime_put_autosuspend(info->dev); return IRQ_NONE; } if (val == info->last_jackdet) { dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); if (cancelled_hp) schedule_delayed_work(&info->hpdet_work, msecs_to_jiffies(HPDET_DEBOUNCE)); if (cancelled_state) arizona_jds_start_timeout(info); goto out; } info->last_jackdet = val; switch (arizona->type) { case WM5102: case WM5110: case WM8997: case WM8998: case WM1814: case WM8280: reg = ARIZONA_JACK_DETECT_DEBOUNCE; mask = ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB; break; default: reg = CLEARWATER_INTERRUPT_DEBOUNCE_7; mask = CLEARWATER_MICD_CLAMP_DB | CLEARWATER_JD1_DB; if (arizona->pdata.jd_gpio5) mask |= CLEARWATER_JD2_DB; break; } if (present) { dev_dbg(arizona->dev, "Detected jack\n"); if (arizona->pdata.jd_wake_time) __pm_wakeup_event(&info->detection_wake_lock, arizona->pdata.jd_wake_time); if (!arizona->pdata.hpdet_acc_id) { info->mic = false; info->jack_flips = 0; if (arizona->pdata.init_mic_delay) msleep(arizona->pdata.init_mic_delay); if (arizona->pdata.custom_jd) arizona_jds_set_state(info, arizona->pdata.custom_jd); else if (arizona->pdata.antenna_supported) { if (arizona->pdata.moisture_det_channel) arizona_jds_set_state(info, &arizona_antenna_moisture_r); else arizona_jds_set_state(info, &arizona_antenna_moisture); } else if (arizona->pdata.hpdet_moisture_imp) { if (arizona->pdata.moisture_det_channel) arizona_jds_set_state(info, &arizona_hpdet_moisture_r); else arizona_jds_set_state(info, &arizona_hpdet_moisture); } else if (arizona->pdata.micd_software_compare) arizona_jds_set_state(info, &arizona_micd_adc_mic); else arizona_jds_set_state(info, &arizona_micd_microphone); arizona_jds_start_timeout(info); } else { schedule_delayed_work(&info->hpdet_work, msecs_to_jiffies(HPDET_DEBOUNCE)); } regmap_update_bits(arizona->regmap, reg, mask, 0); } else { dev_dbg(arizona->dev, "Detected jack removal\n"); arizona_hs_mic_control(arizona, ARIZONA_MIC_MUTE); info->num_hpdet_res = 0; for (i = 0; i < ARRAY_SIZE(info->hpdet_res); i++) info->hpdet_res[i] = 0; info->mic = false; info->hpdet_retried = false; info->micd_res_old = 0; info->micd_debounce = 0; info->micd_count = 0; info->moisture_count = 0; arizona_jds_set_state(info, NULL); for (i = 0; i < info->num_micd_ranges; i++) input_report_key(info->input, info->micd_ranges[i].key, 0); input_sync(info->input); arizona_extcon_report(info, BIT_NO_HEADSET); regmap_update_bits(arizona->regmap, reg, mask, mask); arizona_set_headphone_imp(info, ARIZONA_HP_Z_OPEN); if (arizona->pdata.micd_cb) arizona->pdata.micd_cb(false); } out: switch (arizona->type) { case WM5102: case WM5110: case WM8997: case WM8998: case WM1814: case WM8280: /* Clear trig_sts to make sure DCVDD is not forced up */ regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG, ARIZONA_MICD_CLAMP_FALL_TRIG_STS | ARIZONA_MICD_CLAMP_RISE_TRIG_STS | ARIZONA_JD1_FALL_TRIG_STS | ARIZONA_JD1_RISE_TRIG_STS); break; default: break; } mutex_unlock(&info->lock); pm_runtime_mark_last_busy(info->dev); pm_runtime_put_autosuspend(info->dev); return IRQ_HANDLED; } /* Map a level onto a slot in the register bank */ static void arizona_micd_set_level(struct arizona *arizona, int index, unsigned int level) { int reg; unsigned int mask; reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2); if (!(index % 2)) { mask = 0x3f00; level <<= 8; } else { mask = 0x3f; } /* Program the level itself */ regmap_update_bits(arizona->regmap, reg, mask, level); } static int arizona_add_micd_levels(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int i, j; int ret =0; /* Disable all buttons by default */ regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, ARIZONA_MICD_LVL_SEL_MASK, 0x81); /* Set up all the buttons the user specified */ for (i = 0; i < info->num_micd_ranges; i++) { for (j = 0; j < ARIZONA_NUM_MICD_BUTTON_LEVELS; j++) if (arizona_micd_levels[j] >= info->micd_ranges[i].max) break; if (j == ARIZONA_NUM_MICD_BUTTON_LEVELS) { dev_err(arizona->dev, "Unsupported MICD level %d\n", info->micd_ranges[i].max); ret = -EINVAL; goto err_input; } dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", arizona_micd_levels[j], i); arizona_micd_set_level(arizona, i, j); if (info->micd_ranges[i].key > 0) input_set_capability(info->input, EV_KEY, info->micd_ranges[i].key); /* Enable reporting of that range */ regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, 1 << i, 1 << i); } /* Set all the remaining keys to a maximum */ for (; i < ARIZONA_MAX_MICD_RANGE; i++) arizona_micd_set_level(arizona, i, 0x3f); err_input: return ret; } #ifdef CONFIG_OF static int arizona_extcon_of_get_pdata(struct arizona *arizona) { struct arizona_pdata *pdata = &arizona->pdata; arizona_of_read_s32(arizona, "wlf,micd-detect-debounce", false, &pdata->micd_detect_debounce); arizona_of_read_s32(arizona, "wlf,micd-manual-debounce", false, &pdata->micd_manual_debounce); arizona_of_read_s32(arizona, "wlf,antenna-manual-debounce", false, &pdata->antenna_manual_debounce); arizona_of_read_s32(arizona, "wlf,antenna-manual-db-plugout", false, &pdata->antenna_manual_db_plugout); arizona_of_read_s32(arizona, "wlf,antenna-hp-imp-range-lo", false, &pdata->antenna_hp_imp_range_lo); arizona_of_read_s32(arizona, "wlf,antenna-hp-imp-range-hi", false, &pdata->antenna_hp_imp_range_hi); pdata->micd_pol_gpio = arizona_of_get_named_gpio(arizona, "wlf,micd-pol-gpio", false); arizona_of_read_s32(arizona, "wlf,micd-bias-start-time", false, &pdata->micd_bias_start_time); arizona_of_read_s32(arizona, "wlf,micd-rate", false, &pdata->micd_rate); arizona_of_read_s32(arizona, "wlf,micd-dbtime", false, &pdata->micd_dbtime); arizona_of_read_s32(arizona, "wlf,micd-timeout", false, &pdata->micd_timeout); pdata->micd_force_micbias = of_property_read_bool(arizona->dev->of_node, "wlf,micd-force-micbias"); pdata->micd_force_micbias_initial = of_property_read_bool(arizona->dev->of_node, "wlf,micd-force-micbias-initial"); pdata->micd_software_compare = of_property_read_bool(arizona->dev->of_node, "wlf,micd-software-compare"); pdata->micd_open_circuit_declare = of_property_read_bool(arizona->dev->of_node, "wlf,micd-open-circuit-declare"); pdata->jd_gpio5 = of_property_read_bool(arizona->dev->of_node, "wlf,use-jd-gpio"); pdata->jd_gpio5_nopull = of_property_read_bool(arizona->dev->of_node, "wlf,jd-gpio-nopull"); pdata->jd_invert = of_property_read_bool(arizona->dev->of_node, "wlf,jd-invert"); pdata->antenna_supported = of_property_read_bool(arizona->dev->of_node, "wlf,antenna-supported"); arizona_of_read_u32(arizona, "wlf,gpsw", false, &pdata->gpsw); arizona_of_read_s32(arizona, "wlf,init-mic-delay", false, &pdata->init_mic_delay); arizona_of_read_s32(arizona, "wlf,fixed-hpdet-imp", false, &pdata->fixed_hpdet_imp); arizona_of_read_s32(arizona, "wlf,hpdet-moisture-imp", false, &pdata->hpdet_moisture_imp); arizona_of_read_s32(arizona, "wlf,hpdet-moisture-debounce", false, &pdata->hpdet_moisture_debounce); arizona_of_read_s32(arizona, "wlf,hpdet-short-circuit-imp", false, &pdata->hpdet_short_circuit_imp); arizona_of_read_s32(arizona, "wlf,hpdet-channel", false, &pdata->hpdet_channel); arizona_of_read_u32(arizona, "wlf,moisture-det-channel", false, &pdata->moisture_det_channel); arizona_of_read_s32(arizona, "wlf,jd-wake-time", false, &pdata->jd_wake_time); arizona_of_read_u32(arizona, "wlf,micd-clamp-mode", false, &pdata->micd_clamp_mode); arizona_of_read_u32(arizona, "wlf,hs-mic", false, &pdata->hs_mic); if (pdata->hs_mic > ARIZONA_MAX_INPUT) pdata->hs_mic = 0; return 0; } #else static inline int arizona_extcon_of_get_pdata(struct arizona *arizona) { return 0; } #endif static ssize_t arizona_extcon_show(struct device *dev, struct device_attribute *attr, char *buf) { struct platform_device *pdev = to_platform_device(dev); struct arizona_extcon_info *info = platform_get_drvdata(pdev); return scnprintf(buf, PAGE_SIZE, "%d\n", info->arizona->hp_impedance); } static void arizona_micd_manual_timeout(struct arizona_extcon_info *info) { dev_dbg(info->arizona->dev, "Manual MICD timed out\n"); info->mic_impedance = -EINVAL; arizona_jds_set_state(info, info->old_state); complete(&info->manual_mic_completion); } static int arizona_micd_manual_reading(struct arizona_extcon_info *info, int val) { info->mic_impedance = val; arizona_jds_set_state(info, info->old_state); complete(&info->manual_mic_completion); return val; } static const struct arizona_jd_state arizona_micd_manual = { .mode = ARIZONA_ACCDET_MODE_ADC, .start = arizona_micd_mic_start, .reading = arizona_micd_manual_reading, .stop = arizona_micd_mic_stop, .timeout_ms = arizona_micd_mic_timeout_ms, .timeout = arizona_micd_manual_timeout, }; int arizona_extcon_take_manual_mic_reading(struct arizona_extcon_info *info) { mutex_lock(&info->lock); info->old_state = info->state; arizona_jds_set_state(info, &arizona_micd_manual); mutex_unlock(&info->lock); wait_for_completion(&info->manual_mic_completion); return info->mic_impedance; } EXPORT_SYMBOL_GPL(arizona_extcon_take_manual_mic_reading); static ssize_t arizona_extcon_mic_show(struct device *dev, struct device_attribute *attr, char *buf) { struct platform_device *pdev = to_platform_device(dev); struct arizona_extcon_info *info = platform_get_drvdata(pdev); int mic_impedance = arizona_extcon_take_manual_mic_reading(info); return scnprintf(buf, PAGE_SIZE, "%d\n", mic_impedance); } static int arizona_hp_trim_signify(int raw, int value_mask) { if (raw > value_mask) return value_mask + 1 - raw; else return raw; } static int arizona_hpdet_d_read_calibration(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; struct arizona_hpdet_d_trims *trims; int off_range1; int coeff_range0, coeff_range2, coeff_range3; int grad_range1_0, grad_range3_2; unsigned int v1, v2; int ret = -EIO; ret = regmap_read(arizona->regmap, 0x0087, &v1); if (ret >= 0) { ret = regmap_read(arizona->regmap, 0x0088, &v2); } if (ret < 0) { dev_warn(arizona->dev, "Failed to read HP trims %d\n", ret); return ret; } if ((v1 == 0) || (v2 == 0) || (v1 == 0xFFFF) || (v2 == 0xFFFF)) { dev_warn(arizona->dev, "No HP trims\n"); return 0; } trims = devm_kzalloc(info->dev, 4 * sizeof(struct arizona_hpdet_d_trims), GFP_KERNEL); if (!trims) { dev_err(arizona->dev, "Failed to alloc hpdet trims\n"); return -ENOMEM; } coeff_range0 = v1 & 0xf; coeff_range0 = arizona_hp_trim_signify(coeff_range0, 0x7); coeff_range2 = (v1 >> 10) & 0xf; coeff_range2 = arizona_hp_trim_signify(coeff_range2, 0x7); coeff_range3 = ((v1 >> 14) & 0x3) | ((v2 >> 12) & 0xc); coeff_range3 = arizona_hp_trim_signify(coeff_range3, 0x7); off_range1 = (v1 >> 4) & 0x3f; off_range1 = arizona_hp_trim_signify(off_range1, 0x1f); grad_range1_0 = v2 & 0x7f; grad_range1_0 = arizona_hp_trim_signify(grad_range1_0, 0x3f); grad_range3_2 = (v2 >> 7) & 0x7f; grad_range3_2 = arizona_hp_trim_signify(grad_range3_2, 0x3f); trims[0].off_x4 = (coeff_range0 + off_range1) * 4; trims[1].off_x4 = off_range1 * 4; trims[2].off_x4 = (coeff_range2 + off_range1) * 4; trims[3].off_x4 = (coeff_range3 + off_range1) * 4; trims[0].grad_x4 = grad_range1_0 * 4; trims[1].grad_x4 = grad_range1_0 * 4; trims[2].grad_x4 = grad_range3_2 * 4; trims[3].grad_x4 = grad_range3_2 * 4; info->hpdet_d_trims = trims; info->calib_data = arizona_hpdet_d_ranges; info->calib_data_size = ARRAY_SIZE(arizona_hpdet_d_ranges); dev_dbg(arizona->dev, "Set trims %d,%d %d,%d %d,%d %d,%d\n", trims[0].off_x4, trims[0].grad_x4, trims[1].off_x4, trims[1].grad_x4, trims[2].off_x4, trims[2].grad_x4, trims[3].off_x4, trims[3].grad_x4); return 0; } #define ARIZONA_HPDET_CLEARWATER_OTP_MID_VAL 128 static inline int arizona_hpdet_clearwater_convert_otp(unsigned int otp_val) { return (ARIZONA_HPDET_CLEARWATER_OTP_MID_VAL - (int)otp_val); } static int arizona_hpdet_clearwater_read_calibration(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; struct arizona_hpdet_d_trims *trims; int ret = -EIO; unsigned int offset, gradient, interim_val; unsigned int otp_hpdet_calib_1, otp_hpdet_calib_2; switch (arizona->type) { case CS47L35: otp_hpdet_calib_1 = MARLEY_OTP_HPDET_CALIB_1; otp_hpdet_calib_2 = MARLEY_OTP_HPDET_CALIB_2; break; default: otp_hpdet_calib_1 = CLEARWATER_OTP_HPDET_CALIB_1; otp_hpdet_calib_2 = CLEARWATER_OTP_HPDET_CALIB_2; break; } ret = regmap_read(arizona->regmap_32bit, otp_hpdet_calib_1, &offset); if (ret != 0) { dev_err(arizona->dev, "Failed to read HP CALIB OFFSET value: %d\n", ret); return ret; } ret = regmap_read(arizona->regmap_32bit, otp_hpdet_calib_2, &gradient); if (ret != 0) { dev_err(arizona->dev, "Failed to read HP CALIB OFFSET value: %d\n", ret); return ret; } if (((offset == 0) && (gradient == 0)) || ((offset == 0xFFFFFFFF) && (gradient == 0xFFFFFFFF))) { dev_warn(arizona->dev, "No HP trims\n"); return 0; } trims = devm_kzalloc(info->dev, 4 * sizeof(struct arizona_hpdet_d_trims), GFP_KERNEL); if (!trims) { dev_err(arizona->dev, "Failed to alloc hpdet trims\n"); return -ENOMEM; } interim_val = (offset & CLEARWATER_OTP_HPDET_CALIB_OFFSET_00_MASK) >> CLEARWATER_OTP_HPDET_CALIB_OFFSET_00_SHIFT; trims[0].off_x4 = arizona_hpdet_clearwater_convert_otp(interim_val); interim_val = (gradient & CLEARWATER_OTP_HPDET_GRADIENT_0X_MASK) >> CLEARWATER_OTP_HPDET_GRADIENT_0X_SHIFT; trims[0].grad_x4 = arizona_hpdet_clearwater_convert_otp(interim_val); interim_val = (offset & CLEARWATER_OTP_HPDET_CALIB_OFFSET_01_MASK) >> CLEARWATER_OTP_HPDET_CALIB_OFFSET_01_SHIFT; trims[1].off_x4 = arizona_hpdet_clearwater_convert_otp(interim_val); trims[1].grad_x4 = trims[0].grad_x4; interim_val = (offset & CLEARWATER_OTP_HPDET_CALIB_OFFSET_10_MASK) >> CLEARWATER_OTP_HPDET_CALIB_OFFSET_10_SHIFT; trims[2].off_x4 = arizona_hpdet_clearwater_convert_otp(interim_val); interim_val = (gradient & CLEARWATER_OTP_HPDET_GRADIENT_1X_MASK) >> CLEARWATER_OTP_HPDET_GRADIENT_1X_SHIFT; trims[2].grad_x4 = arizona_hpdet_clearwater_convert_otp(interim_val); interim_val = (offset & CLEARWATER_OTP_HPDET_CALIB_OFFSET_11_MASK) >> CLEARWATER_OTP_HPDET_CALIB_OFFSET_11_SHIFT; trims[3].off_x4 = arizona_hpdet_clearwater_convert_otp(interim_val); trims[3].grad_x4 = trims[2].grad_x4; info->hpdet_d_trims = trims; info->calib_data = arizona_hpdet_clearwater_ranges; info->calib_data_size = ARRAY_SIZE(arizona_hpdet_clearwater_ranges); return 0; } static void arizona_extcon_set_micd_clamp_mode(struct arizona *arizona) { unsigned int clamp_ctrl_reg, clamp_ctrl_mask, clamp_ctrl_val; unsigned int clamp_db_reg, clamp_db_mask, clamp_db_val; int val; /* Set up the regs */ switch (arizona->type) { case WM5102: case WM8997: case WM8998: case WM1814: case WM8280: case WM5110: clamp_ctrl_reg = ARIZONA_MICD_CLAMP_CONTROL; clamp_ctrl_mask = ARIZONA_MICD_CLAMP_MODE_MASK; clamp_db_reg = ARIZONA_JACK_DETECT_DEBOUNCE; clamp_db_mask = ARIZONA_MICD_CLAMP_DB; clamp_db_val = ARIZONA_MICD_CLAMP_DB; break; default: clamp_ctrl_reg = CLEARWATER_MICD_CLAMP_CONTROL; clamp_ctrl_mask = ARIZONA_MICD_CLAMP_MODE_MASK; clamp_db_reg = CLEARWATER_INTERRUPT_DEBOUNCE_7; clamp_db_mask = CLEARWATER_MICD_CLAMP_DB; clamp_db_val = CLEARWATER_MICD_CLAMP_DB; break; } /* If the user has supplied a micd_clamp_mode, assume they know * what they are doing and just write it out */ if (arizona->pdata.micd_clamp_mode) { clamp_ctrl_val = arizona->pdata.micd_clamp_mode; goto out; } switch (arizona->type) { case WM5102: case WM8997: case WM8998: case WM1814: case WM8280: case WM5110: if (arizona->pdata.jd_gpio5) { /* Put the GPIO into input mode with optional pull */ val = 0xc101; if (arizona->pdata.jd_gpio5_nopull) val &= ~ARIZONA_GPN_PU; regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL, val); if (arizona->pdata.jd_invert) clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; else clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; } else { if (arizona->pdata.jd_invert) clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDH; else clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDL; } break; default: if (arizona->pdata.jd_gpio5) { if (arizona->pdata.jd_invert) clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; else clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDL_GP5L; } else { if (arizona->pdata.jd_invert) clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDH; else clamp_ctrl_val = ARIZONA_MICD_CLAMP_MODE_JDL; } break; } out: regmap_update_bits(arizona->regmap, clamp_ctrl_reg, clamp_ctrl_mask, clamp_ctrl_val); regmap_update_bits(arizona->regmap, clamp_db_reg, clamp_db_mask, clamp_db_val); } static int arizona_extcon_probe(struct platform_device *pdev) { struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); struct arizona_pdata *pdata = &arizona->pdata; struct arizona_extcon_info *info; unsigned int reg; int jack_irq_fall, jack_irq_rise; int ret, mode, i; int debounce_reg, debounce_val, analog_val; if (!arizona->dapm || !arizona->dapm->card) return -EPROBE_DEFER; if (pdata->hpdet_short_circuit_imp < 1) pdata->hpdet_short_circuit_imp = ARIZONA_HP_SHORT_IMPEDANCE; else if (pdata->hpdet_short_circuit_imp >= HP_LOW_IMPEDANCE_LIMIT) pdata->hpdet_short_circuit_imp = HP_LOW_IMPEDANCE_LIMIT - 1; info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; if (IS_ENABLED(CONFIG_OF)) { if (!dev_get_platdata(arizona->dev)) { ret = arizona_extcon_of_get_pdata(arizona); if (ret < 0) return ret; } } /* Set of_node to parent from the SPI device to allow * location regulator supplies */ pdev->dev.of_node = arizona->dev->of_node; info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); if (IS_ERR(info->micvdd)) { ret = PTR_ERR(info->micvdd); dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret); return ret; } mutex_init(&info->lock); init_completion(&info->manual_mic_completion); wakeup_source_init(&info->detection_wake_lock, "arizona-jack-detection"); info->arizona = arizona; info->dev = &pdev->dev; info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS); INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work); INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_handler); INIT_DELAYED_WORK(&info->micd_clear_work, arizona_micd_input_clear); INIT_DELAYED_WORK(&info->state_timeout_work, arizona_jds_timeout_work); platform_set_drvdata(pdev, info); arizona->extcon_info = info; switch (arizona->type) { case WM5102: switch (arizona->rev) { case 0: info->micd_reva = true; break; default: info->micd_clamp = true; info->hpdet_ip_version = 1; break; } break; case WM8280: case WM5110: switch (arizona->rev) { case 0 ... 2: break; default: info->micd_clamp = true; info->hpdet_ip_version = 3; break; } break; case CS47L35: arizona->pdata.micd_force_micbias = true; /* fall through to next case to set common properties */ case WM8285: case WM1840: info->micd_clamp = true; info->hpdet_ip_version = 4; break; default: info->micd_clamp = true; info->hpdet_ip_version = 2; break; } info->edev.name = "h2w"; ret = switch_dev_register(&info->edev); if (ret < 0) { dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", ret); goto err_wakelock; } info->input = devm_input_allocate_device(&pdev->dev); if (!info->input) { dev_err(arizona->dev, "Can't allocate input dev\n"); ret = -ENOMEM; goto err_register; } info->input->name = "Headset"; info->input->phys = "arizona/extcon"; info->input->dev.parent = &pdev->dev; if (pdata->num_micd_configs) { info->micd_modes = pdata->micd_configs; info->micd_num_modes = pdata->num_micd_configs; } else { info->micd_modes = micd_default_modes; info->micd_num_modes = ARRAY_SIZE(micd_default_modes); } switch (arizona->type) { case WM8997: case WM5102: case WM1814: case WM8998: case WM8280: case WM5110: reg = ARIZONA_GP_SWITCH_1; break; default: reg = CLEARWATER_GP_SWITCH_1; break; } if (arizona->pdata.gpsw > 0) regmap_update_bits(arizona->regmap, reg, ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw); if (arizona->pdata.micd_pol_gpio > 0) { if (info->micd_modes[0].gpio) mode = GPIOF_OUT_INIT_HIGH; else mode = GPIOF_OUT_INIT_LOW; ret = devm_gpio_request_one(&pdev->dev, arizona->pdata.micd_pol_gpio, mode, "MICD polarity"); if (ret != 0) { dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", arizona->pdata.micd_pol_gpio, ret); goto err_register; } } if (arizona->pdata.hpdet_id_gpio > 0) { ret = devm_gpio_request_one(&pdev->dev, arizona->pdata.hpdet_id_gpio, GPIOF_OUT_INIT_LOW, "HPDET"); if (ret != 0) { dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", arizona->pdata.hpdet_id_gpio, ret); goto err_register; } } if (arizona->pdata.micd_bias_start_time) regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_BIAS_STARTTIME_MASK, arizona->pdata.micd_bias_start_time << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); if (arizona->pdata.micd_rate) regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_RATE_MASK, arizona->pdata.micd_rate << ARIZONA_MICD_RATE_SHIFT); if (arizona->pdata.micd_dbtime) regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_DBTIME_MASK, arizona->pdata.micd_dbtime << ARIZONA_MICD_DBTIME_SHIFT); BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) < ARIZONA_NUM_MICD_BUTTON_LEVELS); info->micd_ranges = micd_default_ranges; info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges) - 2; if (arizona->pdata.num_micd_ranges) { memcpy(info->micd_ranges, pdata->micd_ranges, sizeof(struct arizona_micd_range) * pdata->num_micd_ranges); info->num_micd_ranges = pdata->num_micd_ranges; for (i = info->num_micd_ranges; i < ARRAY_SIZE(micd_default_ranges); i++) { info->micd_ranges[i].max = -1; info->micd_ranges[i].key = -1; } } if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) { dev_err(arizona->dev, "Too many MICD ranges: %d\n", arizona->pdata.num_micd_ranges); } if (info->num_micd_ranges > 1) { for (i = 1; i < info->num_micd_ranges; i++) { if (info->micd_ranges[i - 1].max > info->micd_ranges[i].max) { dev_err(arizona->dev, "MICD ranges must be sorted\n"); ret = -EINVAL; goto err_input; } } } ret = arizona_add_micd_levels(info); if (ret < 0) goto err_input; /* * If we have a clamp use it, activating in conjunction with * GPIO5 if that is connected for jack detect operation. */ if (info->micd_clamp) arizona_extcon_set_micd_clamp_mode(arizona); arizona_extcon_set_mode(info, 0); pm_runtime_enable(&pdev->dev); pm_runtime_idle(&pdev->dev); pm_runtime_get_sync(&pdev->dev); switch (info->hpdet_ip_version) { case 3: arizona_hpdet_d_read_calibration(info); if (!info->hpdet_d_trims) info->hpdet_ip_version = 2; break; case 4: arizona_hpdet_clearwater_read_calibration(info); if (!info->hpdet_d_trims) info->hpdet_ip_version = 2; else /* as per the hardware steps - below bit needs to be set * for clearwater for accurate HP impedance detection */ regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_POLARITY_INV_ENA_MASK, 1 << ARIZONA_ACCDET_POLARITY_INV_ENA_SHIFT); break; default: break; } if (arizona->pdata.jd_gpio5) { jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; } else { jack_irq_rise = ARIZONA_IRQ_JD_RISE; jack_irq_fall = ARIZONA_IRQ_JD_FALL; } ret = arizona_request_irq(arizona, jack_irq_rise, "JACKDET rise", arizona_jackdet, info); if (ret != 0) { dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", ret); goto err_input; } ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); if (ret != 0) { dev_err(&pdev->dev, "Failed to set JD rise IRQ wake: %d\n", ret); goto err_rise; } ret = arizona_request_irq(arizona, jack_irq_fall, "JACKDET fall", arizona_jackdet, info); if (ret != 0) { dev_err(&pdev->dev, "Failed to get JD fall IRQ: %d\n", ret); goto err_rise_wake; } ret = arizona_set_irq_wake(arizona, jack_irq_fall, 1); if (ret != 0) { dev_err(&pdev->dev, "Failed to set JD fall IRQ wake: %d\n", ret); goto err_fall; } ret = arizona_request_irq(arizona, ARIZONA_IRQ_MICDET, "MICDET", arizona_micdet, info); if (ret != 0) { dev_err(&pdev->dev, "Failed to get MICDET IRQ: %d\n", ret); goto err_fall_wake; } ret = arizona_request_irq(arizona, ARIZONA_IRQ_HPDET, "HPDET", arizona_hpdet_handler, info); if (ret != 0) { dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); goto err_micdet; } arizona_clk32k_enable(arizona); switch (arizona->type) { case WM5102: case WM5110: case WM8997: case WM8280: case WM8998: case WM1814: case WM1831: case CS47L24: debounce_reg = ARIZONA_JACK_DETECT_DEBOUNCE; debounce_val = ARIZONA_JD1_DB; analog_val = ARIZONA_JD1_ENA; break; default: debounce_reg = CLEARWATER_INTERRUPT_DEBOUNCE_7; if (arizona->pdata.jd_gpio5) { debounce_val = CLEARWATER_JD1_DB | CLEARWATER_JD2_DB; analog_val = ARIZONA_JD1_ENA | ARIZONA_JD2_ENA; } else { debounce_val = CLEARWATER_JD1_DB; analog_val = ARIZONA_JD1_ENA; } break; }; regmap_update_bits(arizona->regmap, debounce_reg, debounce_val, debounce_val); regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, analog_val, analog_val); ret = regulator_allow_bypass(info->micvdd, true); if (ret != 0) dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", ret); pm_runtime_put(&pdev->dev); ret = input_register_device(info->input); if (ret) { dev_err(&pdev->dev, "Can't register input device: %d\n", ret); goto err_hpdet; } ret = device_create_file(&pdev->dev, &dev_attr_hp_impedance); if (ret != 0) dev_err(&pdev->dev, "Failed to create sysfs node for hp_impedance %d\n", ret); ret = device_create_file(&pdev->dev, &dev_attr_mic_impedance); if (ret != 0) dev_err(&pdev->dev, "Failed to create sysfs node for mic_impedance %d\n", ret); return 0; err_hpdet: arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); err_micdet: arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); err_fall_wake: arizona_set_irq_wake(arizona, jack_irq_fall, 0); err_fall: arizona_free_irq(arizona, jack_irq_fall, info); err_rise_wake: arizona_set_irq_wake(arizona, jack_irq_rise, 0); err_rise: arizona_free_irq(arizona, jack_irq_rise, info); err_input: err_register: pm_runtime_disable(&pdev->dev); switch_dev_unregister(&info->edev); err_wakelock: wakeup_source_trash(&info->detection_wake_lock); return ret; } static int arizona_extcon_remove(struct platform_device *pdev) { struct arizona_extcon_info *info = platform_get_drvdata(pdev); struct arizona *arizona = info->arizona; int jack_irq_rise, jack_irq_fall; pm_runtime_disable(&pdev->dev); switch (arizona->type) { case WM5102: case WM8997: case WM8998: case WM1814: case WM8280: case WM5110: regmap_update_bits(arizona->regmap, ARIZONA_MICD_CLAMP_CONTROL, ARIZONA_MICD_CLAMP_MODE_MASK, 0); break; default: regmap_update_bits(arizona->regmap, CLEARWATER_MICD_CLAMP_CONTROL, ARIZONA_MICD_CLAMP_MODE_MASK, 0); break; } if (arizona->pdata.jd_gpio5) { jack_irq_rise = ARIZONA_IRQ_MICD_CLAMP_RISE; jack_irq_fall = ARIZONA_IRQ_MICD_CLAMP_FALL; } else { jack_irq_rise = ARIZONA_IRQ_JD_RISE; jack_irq_fall = ARIZONA_IRQ_JD_FALL; } arizona_set_irq_wake(arizona, jack_irq_rise, 0); arizona_set_irq_wake(arizona, jack_irq_fall, 0); arizona_free_irq(arizona, ARIZONA_IRQ_HPDET, info); arizona_free_irq(arizona, ARIZONA_IRQ_MICDET, info); arizona_free_irq(arizona, jack_irq_rise, info); arizona_free_irq(arizona, jack_irq_fall, info); cancel_delayed_work_sync(&info->hpdet_work); regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, ARIZONA_JD1_ENA | ARIZONA_JD2_ENA, 0); arizona_clk32k_disable(arizona); device_remove_file(&pdev->dev, &dev_attr_hp_impedance); device_remove_file(&pdev->dev, &dev_attr_mic_impedance); switch_dev_unregister(&info->edev); wakeup_source_trash(&info->detection_wake_lock); kfree(info->hpdet_d_trims); return 0; } static struct platform_driver arizona_extcon_driver = { .driver = { .name = "arizona-extcon", .owner = THIS_MODULE, }, .probe = arizona_extcon_probe, .remove = arizona_extcon_remove, }; module_platform_driver(arizona_extcon_driver); MODULE_DESCRIPTION("Arizona Extcon driver"); MODULE_AUTHOR("Mark Brown "); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:extcon-arizona");