| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Mark Brown | 5690 | 71.14% | 32 | 32.00% |
| Charles Keepax | 1929 | 24.12% | 47 | 47.00% |
| Richard Fitzgerald | 135 | 1.69% | 5 | 5.00% |
| Chanwoo Choi | 114 | 1.43% | 9 | 9.00% |
| Inha Song | 106 | 1.33% | 1 | 1.00% |
| Sangjung Woo | 13 | 0.16% | 1 | 1.00% |
| SF Markus Elfring | 4 | 0.05% | 1 | 1.00% |
| Nikesh Oswal | 3 | 0.04% | 1 | 1.00% |
| Thomas Gleixner | 2 | 0.03% | 1 | 1.00% |
| Peter Meerwald-Stadler | 1 | 0.01% | 1 | 1.00% |
| Andy Shevchenko | 1 | 0.01% | 1 | 1.00% |
| Total | 7998 | 100 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * extcon-arizona.c - Extcon driver Wolfson Arizona devices * * Copyright (C) 2012-2014 Wolfson Microelectronics plc */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/gpio.h> #include <linux/input.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/extcon-provider.h> #include <sound/soc.h> #include <linux/mfd/arizona/core.h> #include <linux/mfd/arizona/pdata.h> #include <linux/mfd/arizona/registers.h> #include <dt-bindings/mfd/arizona.h> #define ARIZONA_MAX_MICD_RANGE 8 #define ARIZONA_MICD_CLAMP_MODE_JDL 0x4 #define ARIZONA_MICD_CLAMP_MODE_JDH 0x5 #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9 #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb #define ARIZONA_TST_CAP_DEFAULT 0x3 #define ARIZONA_TST_CAP_CLAMP 0x1 #define ARIZONA_HPDET_MAX 10000 #define HPDET_DEBOUNCE 500 #define DEFAULT_MICD_TIMEOUT 2000 #define ARIZONA_HPDET_WAIT_COUNT 15 #define ARIZONA_HPDET_WAIT_DELAY_MS 20 #define QUICK_HEADPHONE_MAX_OHM 3 #define MICROPHONE_MIN_OHM 1257 #define MICROPHONE_MAX_OHM 30000 #define MICD_DBTIME_TWO_READINGS 2 #define MICD_DBTIME_FOUR_READINGS 4 #define MICD_LVL_1_TO_7 (ARIZONA_MICD_LVL_1 | ARIZONA_MICD_LVL_2 | \ ARIZONA_MICD_LVL_3 | ARIZONA_MICD_LVL_4 | \ ARIZONA_MICD_LVL_5 | ARIZONA_MICD_LVL_6 | \ ARIZONA_MICD_LVL_7) #define MICD_LVL_0_TO_7 (ARIZONA_MICD_LVL_0 | MICD_LVL_1_TO_7) #define MICD_LVL_0_TO_8 (MICD_LVL_0_TO_7 | ARIZONA_MICD_LVL_8) 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; const struct arizona_micd_range *micd_ranges; int num_micd_ranges; bool micd_reva; bool micd_clamp; struct delayed_work hpdet_work; struct delayed_work micd_detect_work; struct delayed_work micd_timeout_work; bool hpdet_active; bool hpdet_done; bool hpdet_retried; int num_hpdet_res; unsigned int hpdet_res[3]; bool mic; bool detecting; int jack_flips; int hpdet_ip_version; struct extcon_dev *edev; struct gpio_desc *micd_pol_gpio; }; static const struct arizona_micd_config micd_default_modes[] = { { ARIZONA_ACCDET_SRC, 1, 0 }, { 0, 2, 1 }, }; static const 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 }, }; /* 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, }; static const unsigned int arizona_cable[] = { EXTCON_MECHANICAL, EXTCON_JACK_MICROPHONE, EXTCON_JACK_HEADPHONE, EXTCON_JACK_LINE_OUT, EXTCON_NONE, }; static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info); static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info, bool clamp) { struct arizona *arizona = info->arizona; unsigned int mask = 0, val = 0; unsigned int cap_sel = 0; int ret; switch (arizona->type) { case WM8998: case WM1814: mask = 0; break; case WM5110: case WM8280: mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; if (clamp) { val = ARIZONA_HP1L_SHRTO; cap_sel = ARIZONA_TST_CAP_CLAMP; } else { val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI; cap_sel = ARIZONA_TST_CAP_DEFAULT; } 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; default: mask = ARIZONA_RMV_SHRT_HP1L; if (clamp) val = ARIZONA_RMV_SHRT_HP1L; break; } snd_soc_dapm_mutex_lock(arizona->dapm); arizona->hpdet_clamp = clamp; /* Keep the HP output stages disabled while doing the clamp */ if (clamp) { 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 (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) { 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); } snd_soc_dapm_mutex_unlock(arizona->dapm); } static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) { struct arizona *arizona = info->arizona; mode %= info->micd_num_modes; gpiod_set_value_cansleep(info->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) { switch (info->micd_modes[0].bias) { case 1: return "MICBIAS1"; case 2: return "MICBIAS2"; case 3: return "MICBIAS3"; 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; struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); int ret; ret = snd_soc_component_force_enable_pin(component, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to enable %s: %d\n", widget, ret); snd_soc_dapm_sync(dapm); if (!arizona->pdata.micd_force_micbias) { ret = snd_soc_component_disable_pin(component, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to disable %s: %d\n", widget, ret); snd_soc_dapm_sync(dapm); } } static void arizona_start_mic(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; bool change; int ret; unsigned int mode; /* Microphone detection can't use idle mode */ pm_runtime_get(info->dev); if (info->detecting) { ret = regulator_allow_bypass(info->micvdd, false); if (ret != 0) { dev_err(arizona->dev, "Failed to regulate MICVDD: %d\n", ret); } } ret = regulator_enable(info->micvdd); if (ret != 0) { dev_err(arizona->dev, "Failed to enable MICVDD: %d\n", ret); } if (info->micd_reva) { const struct reg_sequence reva[] = { { 0x80, 0x3 }, { 0x294, 0x0 }, { 0x80, 0x0 }, }; regmap_multi_reg_write(arizona->regmap, reva, ARRAY_SIZE(reva)); } if (info->detecting && arizona->pdata.micd_software_compare) mode = ARIZONA_ACCDET_MODE_ADC; else mode = ARIZONA_ACCDET_MODE_MIC; regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_MODE_MASK, mode); arizona_extcon_pulse_micbias(info); ret = regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, ARIZONA_MICD_ENA, &change); if (ret < 0) { dev_err(arizona->dev, "Failed to enable micd: %d\n", ret); } else if (!change) { regulator_disable(info->micvdd); pm_runtime_put_autosuspend(info->dev); } } static void arizona_stop_mic(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; struct snd_soc_component *component = snd_soc_dapm_to_component(dapm); bool change = false; int ret; ret = regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, 0, &change); if (ret < 0) dev_err(arizona->dev, "Failed to disable micd: %d\n", ret); ret = snd_soc_component_disable_pin(component, widget); if (ret != 0) dev_warn(arizona->dev, "Failed to disable %s: %d\n", widget, ret); snd_soc_dapm_sync(dapm); if (info->micd_reva) { const struct reg_sequence reva[] = { { 0x80, 0x3 }, { 0x294, 0x2 }, { 0x80, 0x0 }, }; regmap_multi_reg_write(arizona->regmap, reva, ARRAY_SIZE(reva)); } ret = regulator_allow_bypass(info->micvdd, true); if (ret != 0) { dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", ret); } if (change) { regulator_disable(info->micvdd); pm_runtime_mark_last_busy(info->dev); pm_runtime_put_autosuspend(info->dev); } } 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 int arizona_hpdet_read(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; unsigned int val, range; int ret; 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; 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; default: dev_warn(arizona->dev, "Unknown HPDET IP revision %d\n", info->hpdet_ip_version); return -EINVAL; } dev_dbg(arizona->dev, "HP impedance %d ohms\n", val); return val; } static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, bool *mic) { struct arizona *arizona = info->arizona; int id_gpio = arizona->pdata.hpdet_id_gpio; if (!arizona->pdata.hpdet_acc_id) return 0; /* * If 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_MODE_MASK | ARIZONA_ACCDET_SRC, ARIZONA_ACCDET_MODE_HPR | info->micd_modes[0].src); gpio_set_value_cansleep(id_gpio, 1); regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_POLL, ARIZONA_HP_POLL); 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; arizona_start_hpdet_acc_id(info); pm_runtime_put(info->dev); return -EAGAIN; } /* * If we measure the mic as high impedance */ if (!id_gpio || info->hpdet_res[1] > 50) { dev_dbg(arizona->dev, "Detected mic\n"); *mic = true; info->detecting = true; } else { dev_dbg(arizona->dev, "Detected headphone\n"); } /* 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); return 0; } static irqreturn_t arizona_hpdet_irq(int irq, void *data) { struct arizona_extcon_info *info = data; struct arizona *arizona = info->arizona; int id_gpio = arizona->pdata.hpdet_id_gpio; unsigned int report = EXTCON_JACK_HEADPHONE; int ret, reading; bool mic = false; mutex_lock(&info->lock); /* If we got a spurious IRQ for some reason then ignore it */ if (!info->hpdet_active) { dev_warn(arizona->dev, "Spurious HPDET IRQ\n"); mutex_unlock(&info->lock); return IRQ_NONE; } /* If the cable was removed while measuring ignore the result */ ret = extcon_get_state(info->edev, EXTCON_MECHANICAL); if (ret < 0) { dev_err(arizona->dev, "Failed to check cable state: %d\n", ret); goto out; } else if (!ret) { dev_dbg(arizona->dev, "Ignoring HPDET for removed cable\n"); goto done; } ret = arizona_hpdet_read(info); if (ret == -EAGAIN) goto out; else if (ret < 0) goto done; reading = ret; /* Reset back to starting range */ regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, 0); ret = arizona_hpdet_do_id(info, &reading, &mic); if (ret == -EAGAIN) goto out; else if (ret < 0) goto done; /* Report high impedence cables as line outputs */ if (reading >= 5000) report = EXTCON_JACK_LINE_OUT; else report = EXTCON_JACK_HEADPHONE; ret = extcon_set_state_sync(info->edev, report, true); if (ret != 0) dev_err(arizona->dev, "Failed to report HP/line: %d\n", ret); done: /* Reset back to starting range */ regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1, ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL, 0); arizona_extcon_hp_clamp(info, false); if (id_gpio) gpio_set_value_cansleep(id_gpio, 0); /* If we have a mic then reenable MICDET */ if (mic || info->mic) arizona_start_mic(info); if (info->hpdet_active) { pm_runtime_put_autosuspend(info->dev); info->hpdet_active = false; } info->hpdet_done = true; out: mutex_unlock(&info->lock); return IRQ_HANDLED; } static void arizona_identify_headphone(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int ret; if (info->hpdet_done) return; dev_dbg(arizona->dev, "Starting HPDET\n"); /* Make sure we keep the device enabled during the measurement */ pm_runtime_get(info->dev); info->hpdet_active = true; arizona_stop_mic(info); arizona_extcon_hp_clamp(info, true); ret = regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1, ARIZONA_ACCDET_MODE_MASK, arizona->pdata.hpdet_channel); if (ret != 0) { dev_err(arizona->dev, "Failed to set HPDET mode: %d\n", 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 HPDETL measurement: %d\n", ret); goto err; } return; err: arizona_extcon_hp_clamp(info, false); pm_runtime_put_autosuspend(info->dev); /* Just report headphone */ ret = extcon_set_state_sync(info->edev, EXTCON_JACK_HEADPHONE, true); if (ret != 0) dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); if (info->mic) arizona_start_mic(info); info->hpdet_active = false; } static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; int hp_reading = 32; bool mic; 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); info->hpdet_active = true; 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->pdata.hpdet_channel); if (ret != 0) { dev_err(arizona->dev, "Failed to set HPDET 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 { arizona_hpdet_do_id(info, &hp_reading, &mic); } return; err: /* Just report headphone */ ret = extcon_set_state_sync(info->edev, EXTCON_JACK_HEADPHONE, true); if (ret != 0) dev_err(arizona->dev, "Failed to report headphone: %d\n", ret); info->hpdet_active = false; } static void arizona_micd_timeout_work(struct work_struct *work) { struct arizona_extcon_info *info = container_of(work, struct arizona_extcon_info, micd_timeout_work.work); mutex_lock(&info->lock); dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); info->detecting = false; arizona_identify_headphone(info); mutex_unlock(&info->lock); } static int arizona_micd_adc_read(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; unsigned int val; int ret; /* Must disable MICD before we read the ADCVAL */ regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, 0); 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: %x\n", val); val &= ARIZONA_MICDET_ADCVAL_MASK; if (val < ARRAY_SIZE(arizona_micd_levels)) val = arizona_micd_levels[val]; else val = INT_MAX; if (val <= QUICK_HEADPHONE_MAX_OHM) val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_0; else if (val <= MICROPHONE_MIN_OHM) val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_1; else if (val <= MICROPHONE_MAX_OHM) val = ARIZONA_MICD_STS | ARIZONA_MICD_LVL_8; else val = ARIZONA_MICD_LVL_8; 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: %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; } return val; } static int arizona_micdet_reading(void *priv) { struct arizona_extcon_info *info = priv; struct arizona *arizona = info->arizona; int ret, val; if (info->detecting && arizona->pdata.micd_software_compare) ret = arizona_micd_adc_read(info); else ret = arizona_micd_read(info); if (ret < 0) return ret; val = ret; /* Due to jack detect this should never happen */ if (!(val & ARIZONA_MICD_STS)) { dev_warn(arizona->dev, "Detected open circuit\n"); info->mic = false; info->detecting = false; arizona_identify_headphone(info); return 0; } /* If we got a high impedence we should have a headset, report it. */ if (val & ARIZONA_MICD_LVL_8) { info->mic = true; info->detecting = false; arizona_identify_headphone(info); ret = extcon_set_state_sync(info->edev, EXTCON_JACK_MICROPHONE, true); if (ret != 0) dev_err(arizona->dev, "Headset report failed: %d\n", ret); /* Don't need to regulate for button detection */ ret = regulator_allow_bypass(info->micvdd, true); if (ret != 0) { dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n", ret); } return 0; } /* 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 & MICD_LVL_1_TO_7) { if (info->jack_flips >= info->micd_num_modes * 10) { dev_dbg(arizona->dev, "Detected HP/line\n"); info->detecting = false; arizona_identify_headphone(info); } 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++; if (arizona->pdata.micd_software_compare) regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, ARIZONA_MICD_ENA); queue_delayed_work(system_power_efficient_wq, &info->micd_timeout_work, msecs_to_jiffies(arizona->pdata.micd_timeout)); } return 0; } /* * If we're still detecting and we detect a short then we've * got a headphone. */ dev_dbg(arizona->dev, "Headphone detected\n"); info->detecting = false; arizona_identify_headphone(info); return 0; } static int arizona_button_reading(void *priv) { struct arizona_extcon_info *info = priv; struct arizona *arizona = info->arizona; int val, key, lvl, i; val = arizona_micd_read(info); if (val < 0) return val; /* * If we're still detecting and we detect a short then we've * got a headphone. Otherwise it's a button press. */ if (val & MICD_LVL_0_TO_7) { if (info->mic) { dev_dbg(arizona->dev, "Mic button detected\n"); lvl = val & ARIZONA_MICD_LVL_MASK; lvl >>= ARIZONA_MICD_LVL_SHIFT; for (i = 0; i < info->num_micd_ranges; i++) input_report_key(info->input, info->micd_ranges[i].key, 0); if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) { key = info->micd_ranges[ffs(lvl) - 1].key; input_report_key(info->input, key, 1); input_sync(info->input); } else { dev_err(arizona->dev, "Button out of range\n"); } } else { dev_warn(arizona->dev, "Button with no mic: %x\n", val); } } else { dev_dbg(arizona->dev, "Mic button released\n"); 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; } static void arizona_micd_detect(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 ret; cancel_delayed_work_sync(&info->micd_timeout_work); mutex_lock(&info->lock); /* If the cable was removed while measuring ignore the result */ ret = extcon_get_state(info->edev, EXTCON_MECHANICAL); if (ret < 0) { dev_err(arizona->dev, "Failed to check cable state: %d\n", ret); mutex_unlock(&info->lock); return; } else if (!ret) { dev_dbg(arizona->dev, "Ignoring MICDET for removed cable\n"); mutex_unlock(&info->lock); return; } if (info->detecting) arizona_micdet_reading(info); else arizona_button_reading(info); pm_runtime_mark_last_busy(info->dev); 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_timeout_work); mutex_lock(&info->lock); if (!info->detecting) debounce = 0; mutex_unlock(&info->lock); if (debounce) queue_delayed_work(system_power_efficient_wq, &info->micd_detect_work, msecs_to_jiffies(debounce)); else arizona_micd_detect(&info->micd_detect_work.work); return IRQ_HANDLED; } 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_start_hpdet_acc_id(info); mutex_unlock(&info->lock); } static int arizona_hpdet_wait(struct arizona_extcon_info *info) { struct arizona *arizona = info->arizona; unsigned int val; int i, ret; for (i = 0; i < ARIZONA_HPDET_WAIT_COUNT; i++) { ret = regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_2, &val); if (ret) { dev_err(arizona->dev, "Failed to read HPDET state: %d\n", ret); return ret; } switch (info->hpdet_ip_version) { case 0: if (val & ARIZONA_HP_DONE) return 0; break; default: if (val & ARIZONA_HP_DONE_B) return 0; break; } msleep(ARIZONA_HPDET_WAIT_DELAY_MS); } dev_warn(arizona->dev, "HPDET did not appear to complete\n"); return -ETIMEDOUT; } static irqreturn_t arizona_jackdet(int irq, void *data) { struct arizona_extcon_info *info = data; struct arizona *arizona = info->arizona; unsigned int val, present, mask; bool cancelled_hp, cancelled_mic; int ret, i; cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work); cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work); pm_runtime_get_sync(info->dev); mutex_lock(&info->lock); if (info->micd_clamp) { mask = ARIZONA_MICD_CLAMP_STS; present = 0; } else { mask = ARIZONA_JD1_STS; if (arizona->pdata.jd_invert) present = 0; else present = ARIZONA_JD1_STS; } ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val); if (ret != 0) { dev_err(arizona->dev, "Failed to read jackdet status: %d\n", ret); mutex_unlock(&info->lock); pm_runtime_put_autosuspend(info->dev); return IRQ_NONE; } val &= mask; if (val == info->last_jackdet) { dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n"); if (cancelled_hp) queue_delayed_work(system_power_efficient_wq, &info->hpdet_work, msecs_to_jiffies(HPDET_DEBOUNCE)); if (cancelled_mic) { int micd_timeout = arizona->pdata.micd_timeout; queue_delayed_work(system_power_efficient_wq, &info->micd_timeout_work, msecs_to_jiffies(micd_timeout)); } goto out; } info->last_jackdet = val; if (info->last_jackdet == present) { dev_dbg(arizona->dev, "Detected jack\n"); ret = extcon_set_state_sync(info->edev, EXTCON_MECHANICAL, true); if (ret != 0) dev_err(arizona->dev, "Mechanical report failed: %d\n", ret); info->detecting = true; info->mic = false; info->jack_flips = 0; if (!arizona->pdata.hpdet_acc_id) { arizona_start_mic(info); } else { queue_delayed_work(system_power_efficient_wq, &info->hpdet_work, msecs_to_jiffies(HPDET_DEBOUNCE)); } if (info->micd_clamp || !arizona->pdata.jd_invert) regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0); } else { dev_dbg(arizona->dev, "Detected jack removal\n"); arizona_stop_mic(info); 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_done = false; info->hpdet_retried = false; for (i = 0; i < info->num_micd_ranges; i++) input_report_key(info->input, info->micd_ranges[i].key, 0); input_sync(info->input); for (i = 0; i < ARRAY_SIZE(arizona_cable) - 1; i++) { ret = extcon_set_state_sync(info->edev, arizona_cable[i], false); if (ret != 0) dev_err(arizona->dev, "Removal report failed: %d\n", ret); } /* * If the jack was removed during a headphone detection we * need to wait for the headphone detection to finish, as * it can not be aborted. We don't want to be able to start * a new headphone detection from a fresh insert until this * one is finished. */ arizona_hpdet_wait(info); regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB); } out: /* 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); 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_extcon_get_micd_configs(struct device *dev, struct arizona *arizona) { const char * const prop = "wlf,micd-configs"; const int entries_per_config = 3; struct arizona_micd_config *micd_configs; int nconfs, ret; int i, j; u32 *vals; nconfs = device_property_count_u32(arizona->dev, prop); if (nconfs <= 0) return 0; vals = kcalloc(nconfs, sizeof(u32), GFP_KERNEL); if (!vals) return -ENOMEM; ret = device_property_read_u32_array(arizona->dev, prop, vals, nconfs); if (ret < 0) goto out; nconfs /= entries_per_config; micd_configs = devm_kcalloc(dev, nconfs, sizeof(*micd_configs), GFP_KERNEL); if (!micd_configs) { ret = -ENOMEM; goto out; } for (i = 0, j = 0; i < nconfs; ++i) { micd_configs[i].src = vals[j++] ? ARIZONA_ACCDET_SRC : 0; micd_configs[i].bias = vals[j++]; micd_configs[i].gpio = vals[j++]; } arizona->pdata.micd_configs = micd_configs; arizona->pdata.num_micd_configs = nconfs; out: kfree(vals); return ret; } static int arizona_extcon_device_get_pdata(struct device *dev, struct arizona *arizona) { struct arizona_pdata *pdata = &arizona->pdata; unsigned int val = ARIZONA_ACCDET_MODE_HPL; int ret; device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val); switch (val) { case ARIZONA_ACCDET_MODE_HPL: case ARIZONA_ACCDET_MODE_HPR: pdata->hpdet_channel = val; break; default: dev_err(arizona->dev, "Wrong wlf,hpdet-channel DT value %d\n", val); pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL; } device_property_read_u32(arizona->dev, "wlf,micd-detect-debounce", &pdata->micd_detect_debounce); device_property_read_u32(arizona->dev, "wlf,micd-bias-start-time", &pdata->micd_bias_start_time); device_property_read_u32(arizona->dev, "wlf,micd-rate", &pdata->micd_rate); device_property_read_u32(arizona->dev, "wlf,micd-dbtime", &pdata->micd_dbtime); device_property_read_u32(arizona->dev, "wlf,micd-timeout-ms", &pdata->micd_timeout); pdata->micd_force_micbias = device_property_read_bool(arizona->dev, "wlf,micd-force-micbias"); pdata->micd_software_compare = device_property_read_bool(arizona->dev, "wlf,micd-software-compare"); pdata->jd_invert = device_property_read_bool(arizona->dev, "wlf,jd-invert"); device_property_read_u32(arizona->dev, "wlf,gpsw", &pdata->gpsw); pdata->jd_gpio5 = device_property_read_bool(arizona->dev, "wlf,use-jd2"); pdata->jd_gpio5_nopull = device_property_read_bool(arizona->dev, "wlf,use-jd2-nopull"); ret = arizona_extcon_get_micd_configs(dev, arizona); if (ret < 0) dev_err(arizona->dev, "Failed to read micd configs: %d\n", ret); return 0; } 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 val; unsigned int clamp_mode; int jack_irq_fall, jack_irq_rise; int ret, mode, i, j; if (!arizona->dapm || !arizona->dapm->card) return -EPROBE_DEFER; info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; if (!dev_get_platdata(arizona->dev)) arizona_extcon_device_get_pdata(&pdev->dev, arizona); 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); 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_detect); INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work); platform_set_drvdata(pdev, 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 WM5110: case WM8280: switch (arizona->rev) { case 0 ... 2: break; default: info->micd_clamp = true; info->hpdet_ip_version = 2; break; } break; case WM8998: case WM1814: info->micd_clamp = true; info->hpdet_ip_version = 2; break; default: break; } info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable); if (IS_ERR(info->edev)) { dev_err(&pdev->dev, "failed to allocate extcon device\n"); return -ENOMEM; } ret = devm_extcon_dev_register(&pdev->dev, info->edev); if (ret < 0) { dev_err(arizona->dev, "extcon_dev_register() failed: %d\n", ret); return ret; } 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"; if (!pdata->micd_timeout) pdata->micd_timeout = DEFAULT_MICD_TIMEOUT; 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); } if (arizona->pdata.gpsw > 0) regmap_update_bits(arizona->regmap, ARIZONA_GP_SWITCH_1, ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw); if (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, pdata->micd_pol_gpio, mode, "MICD polarity"); if (ret != 0) { dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", pdata->micd_pol_gpio, ret); goto err_register; } info->micd_pol_gpio = gpio_to_desc(pdata->micd_pol_gpio); } else { if (info->micd_modes[0].gpio) mode = GPIOD_OUT_HIGH; else mode = GPIOD_OUT_LOW; /* We can't use devm here because we need to do the get * against the MFD device, as that is where the of_node * will reside, but if we devm against that the GPIO * will not be freed if the extcon driver is unloaded. */ info->micd_pol_gpio = gpiod_get_optional(arizona->dev, "wlf,micd-pol", GPIOD_OUT_LOW); if (IS_ERR(info->micd_pol_gpio)) { ret = PTR_ERR(info->micd_pol_gpio); dev_err(arizona->dev, "Failed to get microphone polarity GPIO: %d\n", 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_gpio; } } 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); switch (arizona->pdata.micd_dbtime) { case MICD_DBTIME_FOUR_READINGS: regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_DBTIME_MASK, ARIZONA_MICD_DBTIME); break; case MICD_DBTIME_TWO_READINGS: regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_DBTIME_MASK, 0); break; default: break; } BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) < ARIZONA_NUM_MICD_BUTTON_LEVELS); if (arizona->pdata.num_micd_ranges) { info->micd_ranges = pdata->micd_ranges; info->num_micd_ranges = pdata->num_micd_ranges; } else { info->micd_ranges = micd_default_ranges; info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges); } 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_gpio; } } } /* 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_gpio; } dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", arizona_micd_levels[j], i); arizona_micd_set_level(arizona, i, j); 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); /* * If we have a clamp use it, activating in conjunction with * GPIO5 if that is connected for jack detect operation. */ if (info->micd_clamp) { 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_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H; else clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H; } else { if (arizona->pdata.jd_invert) clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH; else clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL; } regmap_update_bits(arizona->regmap, ARIZONA_MICD_CLAMP_CONTROL, ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode); regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, ARIZONA_MICD_CLAMP_DB, ARIZONA_MICD_CLAMP_DB); } arizona_extcon_set_mode(info, 0); pm_runtime_enable(&pdev->dev); pm_runtime_idle(&pdev->dev); pm_runtime_get_sync(&pdev->dev); if (info->micd_clamp) { 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_gpio; } 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_irq, info); if (ret != 0) { dev_err(&pdev->dev, "Failed to get HPDET IRQ: %d\n", ret); goto err_micdet; } arizona_clk32k_enable(arizona); regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_DEBOUNCE, ARIZONA_JD1_DB, ARIZONA_JD1_DB); regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, ARIZONA_JD1_ENA, ARIZONA_JD1_ENA); 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; } 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_gpio: gpiod_put(info->micd_pol_gpio); err_register: pm_runtime_disable(&pdev->dev); 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; bool change; int ret; ret = regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_ENA, 0, &change); if (ret < 0) { dev_err(&pdev->dev, "Failed to disable micd on remove: %d\n", ret); } else if (change) { regulator_disable(info->micvdd); pm_runtime_put(info->dev); } gpiod_put(info->micd_pol_gpio); pm_runtime_disable(&pdev->dev); regmap_update_bits(arizona->regmap, ARIZONA_MICD_CLAMP_CONTROL, ARIZONA_MICD_CLAMP_MODE_MASK, 0); if (info->micd_clamp) { 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, 0); arizona_clk32k_disable(arizona); return 0; } static struct platform_driver arizona_extcon_driver = { .driver = { .name = "arizona-extcon", }, .probe = arizona_extcon_probe, .remove = arizona_extcon_remove, }; module_platform_driver(arizona_extcon_driver); MODULE_DESCRIPTION("Arizona Extcon driver"); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:extcon-arizona");
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1