diff options
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 101 | ||||
| -rw-r--r-- | drivers/extcon/extcon-gpio.c | 18 | ||||
| -rw-r--r-- | drivers/extcon/extcon-max77693.c | 94 | ||||
| -rw-r--r-- | drivers/extcon/extcon-max77843.c | 75 | ||||
| -rw-r--r-- | drivers/extcon/extcon-palmas.c | 134 | ||||
| -rw-r--r-- | drivers/extcon/extcon-rt8973a.c | 1 | ||||
| -rw-r--r-- | drivers/extcon/extcon-sm5502.c | 1 | ||||
| -rw-r--r-- | drivers/extcon/extcon-usb-gpio.c | 1 | ||||
| -rw-r--r-- | drivers/extcon/extcon.c | 40 |
9 files changed, 321 insertions, 144 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index ad87f2630..4b9f09cc3 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -20,10 +20,12 @@ #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.h> @@ -46,6 +48,9 @@ #define HPDET_DEBOUNCE 500 #define DEFAULT_MICD_TIMEOUT 2000 +#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 | \ @@ -94,6 +99,8 @@ struct arizona_extcon_info { int hpdet_ip_version; struct extcon_dev *edev; + + struct gpio_desc *micd_pol_gpio; }; static const struct arizona_micd_config micd_default_modes[] = { @@ -204,6 +211,10 @@ static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) if (arizona->pdata.micd_pol_gpio > 0) gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, info->micd_modes[mode].gpio); + else + 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 << @@ -757,10 +768,11 @@ static void arizona_micd_timeout_work(struct work_struct *work) mutex_lock(&info->lock); dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n"); - arizona_identify_headphone(info); info->detecting = false; + arizona_identify_headphone(info); + arizona_stop_mic(info); mutex_unlock(&info->lock); @@ -820,12 +832,18 @@ static void arizona_micd_detect(struct work_struct *work) /* Due to jack detect this should never happen */ if (!(val & ARIZONA_MICD_STS)) { dev_warn(arizona->dev, "Detected open circuit\n"); + info->mic = false; + arizona_stop_mic(info); info->detecting = false; + arizona_identify_headphone(info); goto handled; } /* If we got a high impedence we should have a headset, report it. */ if (info->detecting && (val & ARIZONA_MICD_LVL_8)) { + info->mic = true; + info->detecting = false; + arizona_identify_headphone(info); ret = extcon_set_cable_state_(info->edev, @@ -841,8 +859,6 @@ static void arizona_micd_detect(struct work_struct *work) ret); } - info->mic = true; - info->detecting = false; goto handled; } @@ -855,10 +871,11 @@ static void arizona_micd_detect(struct work_struct *work) if (info->detecting && (val & MICD_LVL_1_TO_7)) { if (info->jack_flips >= info->micd_num_modes * 10) { dev_dbg(arizona->dev, "Detected HP/line\n"); - arizona_identify_headphone(info); info->detecting = false; + arizona_identify_headphone(info); + arizona_stop_mic(info); } else { info->micd_mode++; @@ -1110,12 +1127,12 @@ static void arizona_micd_set_level(struct arizona *arizona, int index, regmap_update_bits(arizona->regmap, reg, mask, level); } -static int arizona_extcon_of_get_pdata(struct arizona *arizona) +static int arizona_extcon_device_get_pdata(struct arizona *arizona) { struct arizona_pdata *pdata = &arizona->pdata; unsigned int val = ARIZONA_ACCDET_MODE_HPL; - of_property_read_u32(arizona->dev->of_node, "wlf,hpdet-channel", &val); + device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val); switch (val) { case ARIZONA_ACCDET_MODE_HPL: case ARIZONA_ACCDET_MODE_HPR: @@ -1127,6 +1144,24 @@ static int arizona_extcon_of_get_pdata(struct arizona *arizona) 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", + &pdata->micd_timeout); + + pdata->micd_force_micbias = device_property_read_bool(arizona->dev, + "wlf,micd-force-micbias"); + return 0; } @@ -1147,10 +1182,8 @@ static int arizona_extcon_probe(struct platform_device *pdev) if (!info) return -ENOMEM; - if (IS_ENABLED(CONFIG_OF)) { - if (!dev_get_platdata(arizona->dev)) - arizona_extcon_of_get_pdata(arizona); - } + if (!dev_get_platdata(arizona->dev)) + arizona_extcon_device_get_pdata(arizona); info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD"); if (IS_ERR(info->micvdd)) { @@ -1241,6 +1274,27 @@ static int arizona_extcon_probe(struct platform_device *pdev) arizona->pdata.micd_pol_gpio, ret); goto err_register; } + } 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) { @@ -1251,7 +1305,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) if (ret != 0) { dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", arizona->pdata.hpdet_id_gpio, ret); - goto err_register; + goto err_gpio; } } @@ -1267,11 +1321,19 @@ static int arizona_extcon_probe(struct platform_device *pdev) arizona->pdata.micd_rate << ARIZONA_MICD_RATE_SHIFT); - if (arizona->pdata.micd_dbtime) + switch (arizona->pdata.micd_dbtime) { + case MICD_DBTIME_FOUR_READINGS: regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_DBTIME_MASK, - arizona->pdata.micd_dbtime - << ARIZONA_MICD_DBTIME_SHIFT); + 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) != 0x40); @@ -1295,7 +1357,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) dev_err(arizona->dev, "MICD ranges must be sorted\n"); ret = -EINVAL; - goto err_input; + goto err_gpio; } } } @@ -1314,7 +1376,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) dev_err(arizona->dev, "Unsupported MICD level %d\n", info->micd_ranges[i].max); ret = -EINVAL; - goto err_input; + goto err_gpio; } dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", @@ -1387,7 +1449,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) if (ret != 0) { dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", ret); - goto err_input; + goto err_gpio; } ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); @@ -1458,7 +1520,8 @@ 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_gpio: + gpiod_put(info->micd_pol_gpio); err_register: pm_runtime_disable(&pdev->dev); return ret; @@ -1470,6 +1533,8 @@ static int arizona_extcon_remove(struct platform_device *pdev) struct arizona *arizona = info->arizona; int jack_irq_rise, jack_irq_fall; + gpiod_put(info->micd_pol_gpio); + pm_runtime_disable(&pdev->dev); regmap_update_bits(arizona->regmap, diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c index 355459a54..57c24fa52 100644 --- a/drivers/extcon/extcon-gpio.c +++ b/drivers/extcon/extcon-gpio.c @@ -65,22 +65,6 @@ static irqreturn_t gpio_irq_handler(int irq, void *dev_id) return IRQ_HANDLED; } -static ssize_t extcon_gpio_print_state(struct extcon_dev *edev, char *buf) -{ - struct device *dev = edev->dev.parent; - struct gpio_extcon_data *extcon_data = dev_get_drvdata(dev); - const char *state; - - if (extcon_get_state(edev)) - state = extcon_data->state_on; - else - state = extcon_data->state_off; - - if (state) - return sprintf(buf, "%s\n", state); - return -EINVAL; -} - static int gpio_extcon_probe(struct platform_device *pdev) { struct gpio_extcon_platform_data *pdata = dev_get_platdata(&pdev->dev); @@ -110,8 +94,6 @@ static int gpio_extcon_probe(struct platform_device *pdev) extcon_data->state_on = pdata->state_on; extcon_data->state_off = pdata->state_off; extcon_data->check_on_resume = pdata->check_on_resume; - if (pdata->state_on && pdata->state_off) - extcon_data->edev->print_state = extcon_gpio_print_state; ret = devm_gpio_request_one(&pdev->dev, extcon_data->gpio, GPIOF_DIR_IN, pdev->name); diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index f4f3b3d53..35b9e118b 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/platform_device.h> #include <linux/mfd/max77693.h> +#include <linux/mfd/max77693-common.h> #include <linux/mfd/max77693-private.h> #include <linux/extcon.h> #include <linux/regmap.h> @@ -42,7 +43,7 @@ static struct max77693_reg_data default_init_data[] = { { /* STATUS2 - [3]ChgDetRun */ .addr = MAX77693_MUIC_REG_STATUS2, - .data = STATUS2_CHGDETRUN_MASK, + .data = MAX77693_STATUS2_CHGDETRUN_MASK, }, { /* INTMASK1 - Unmask [3]ADC1KM,[0]ADCM */ .addr = MAX77693_MUIC_REG_INTMASK1, @@ -235,7 +236,7 @@ static int max77693_muic_set_debounce_time(struct max77693_muic_info *info, */ ret = regmap_write(info->max77693->regmap_muic, MAX77693_MUIC_REG_CTRL3, - time << CONTROL3_ADCDBSET_SHIFT); + time << MAX77693_CONTROL3_ADCDBSET_SHIFT); if (ret) { dev_err(info->dev, "failed to set ADC debounce time\n"); return ret; @@ -268,7 +269,7 @@ static int max77693_muic_set_path(struct max77693_muic_info *info, if (attached) ctrl1 = val; else - ctrl1 = CONTROL1_SW_OPEN; + ctrl1 = MAX77693_CONTROL1_SW_OPEN; ret = regmap_update_bits(info->max77693->regmap_muic, MAX77693_MUIC_REG_CTRL1, COMP_SW_MASK, ctrl1); @@ -278,13 +279,14 @@ static int max77693_muic_set_path(struct max77693_muic_info *info, } if (attached) - ctrl2 |= CONTROL2_CPEN_MASK; /* LowPwr=0, CPEn=1 */ + ctrl2 |= MAX77693_CONTROL2_CPEN_MASK; /* LowPwr=0, CPEn=1 */ else - ctrl2 |= CONTROL2_LOWPWR_MASK; /* LowPwr=1, CPEn=0 */ + ctrl2 |= MAX77693_CONTROL2_LOWPWR_MASK; /* LowPwr=1, CPEn=0 */ ret = regmap_update_bits(info->max77693->regmap_muic, MAX77693_MUIC_REG_CTRL2, - CONTROL2_LOWPWR_MASK | CONTROL2_CPEN_MASK, ctrl2); + MAX77693_CONTROL2_LOWPWR_MASK | MAX77693_CONTROL2_CPEN_MASK, + ctrl2); if (ret < 0) { dev_err(info->dev, "failed to update MUIC register\n"); return ret; @@ -326,8 +328,8 @@ static int max77693_muic_get_cable_type(struct max77693_muic_info *info, * Read ADC value to check cable type and decide cable state * according to cable type */ - adc = info->status[0] & STATUS1_ADC_MASK; - adc >>= STATUS1_ADC_SHIFT; + adc = info->status[0] & MAX77693_STATUS1_ADC_MASK; + adc >>= MAX77693_STATUS1_ADC_SHIFT; /* * Check current cable state/cable type and store cable type @@ -350,8 +352,8 @@ static int max77693_muic_get_cable_type(struct max77693_muic_info *info, * Read ADC value to check cable type and decide cable state * according to cable type */ - adc = info->status[0] & STATUS1_ADC_MASK; - adc >>= STATUS1_ADC_SHIFT; + adc = info->status[0] & MAX77693_STATUS1_ADC_MASK; + adc >>= MAX77693_STATUS1_ADC_SHIFT; /* * Check current cable state/cable type and store cable type @@ -366,13 +368,13 @@ static int max77693_muic_get_cable_type(struct max77693_muic_info *info, } else { *attached = true; - adclow = info->status[0] & STATUS1_ADCLOW_MASK; - adclow >>= STATUS1_ADCLOW_SHIFT; - adc1k = info->status[0] & STATUS1_ADC1K_MASK; - adc1k >>= STATUS1_ADC1K_SHIFT; + adclow = info->status[0] & MAX77693_STATUS1_ADCLOW_MASK; + adclow >>= MAX77693_STATUS1_ADCLOW_SHIFT; + adc1k = info->status[0] & MAX77693_STATUS1_ADC1K_MASK; + adc1k >>= MAX77693_STATUS1_ADC1K_SHIFT; - vbvolt = info->status[1] & STATUS2_VBVOLT_MASK; - vbvolt >>= STATUS2_VBVOLT_SHIFT; + vbvolt = info->status[1] & MAX77693_STATUS2_VBVOLT_MASK; + vbvolt >>= MAX77693_STATUS2_VBVOLT_SHIFT; /** * [0x1|VBVolt|ADCLow|ADC1K] @@ -397,8 +399,8 @@ static int max77693_muic_get_cable_type(struct max77693_muic_info *info, * Read charger type to check cable type and decide cable state * according to type of charger cable. */ - chg_type = info->status[1] & STATUS2_CHGTYP_MASK; - chg_type >>= STATUS2_CHGTYP_SHIFT; + chg_type = info->status[1] & MAX77693_STATUS2_CHGTYP_MASK; + chg_type >>= MAX77693_STATUS2_CHGTYP_SHIFT; if (chg_type == MAX77693_CHARGER_TYPE_NONE) { *attached = false; @@ -422,10 +424,10 @@ static int max77693_muic_get_cable_type(struct max77693_muic_info *info, * Read ADC value to check cable type and decide cable state * according to cable type */ - adc = info->status[0] & STATUS1_ADC_MASK; - adc >>= STATUS1_ADC_SHIFT; - chg_type = info->status[1] & STATUS2_CHGTYP_MASK; - chg_type >>= STATUS2_CHGTYP_SHIFT; + adc = info->status[0] & MAX77693_STATUS1_ADC_MASK; + adc >>= MAX77693_STATUS1_ADC_SHIFT; + chg_type = info->status[1] & MAX77693_STATUS2_CHGTYP_MASK; + chg_type >>= MAX77693_STATUS2_CHGTYP_SHIFT; if (adc == MAX77693_MUIC_ADC_OPEN && chg_type == MAX77693_CHARGER_TYPE_NONE) @@ -437,8 +439,8 @@ static int max77693_muic_get_cable_type(struct max77693_muic_info *info, * Read vbvolt field, if vbvolt is 1, * this cable is used for charging. */ - vbvolt = info->status[1] & STATUS2_VBVOLT_MASK; - vbvolt >>= STATUS2_VBVOLT_SHIFT; + vbvolt = info->status[1] & MAX77693_STATUS2_VBVOLT_MASK; + vbvolt >>= MAX77693_STATUS2_VBVOLT_SHIFT; cable_type = vbvolt; break; @@ -520,7 +522,8 @@ static int max77693_muic_dock_handler(struct max77693_muic_info *info, } /* Dock-Car/Desk/Audio, PATH:AUDIO */ - ret = max77693_muic_set_path(info, CONTROL1_SW_AUDIO, attached); + ret = max77693_muic_set_path(info, MAX77693_CONTROL1_SW_AUDIO, + attached); if (ret < 0) return ret; extcon_set_cable_state_(info->edev, dock_id, attached); @@ -585,14 +588,16 @@ static int max77693_muic_adc_ground_handler(struct max77693_muic_info *info) case MAX77693_MUIC_GND_USB_HOST: case MAX77693_MUIC_GND_USB_HOST_VB: /* USB_HOST, PATH: AP_USB */ - ret = max77693_muic_set_path(info, CONTROL1_SW_USB, attached); + ret = max77693_muic_set_path(info, MAX77693_CONTROL1_SW_USB, + attached); if (ret < 0) return ret; extcon_set_cable_state_(info->edev, EXTCON_USB_HOST, attached); break; case MAX77693_MUIC_GND_AV_CABLE_LOAD: /* Audio Video Cable with load, PATH:AUDIO */ - ret = max77693_muic_set_path(info, CONTROL1_SW_AUDIO, attached); + ret = max77693_muic_set_path(info, MAX77693_CONTROL1_SW_AUDIO, + attached); if (ret < 0) return ret; extcon_set_cable_state_(info->edev, EXTCON_USB, attached); @@ -615,7 +620,7 @@ static int max77693_muic_jig_handler(struct max77693_muic_info *info, int cable_type, bool attached) { int ret = 0; - u8 path = CONTROL1_SW_OPEN; + u8 path = MAX77693_CONTROL1_SW_OPEN; dev_info(info->dev, "external connector is %s (adc:0x%02x)\n", @@ -625,12 +630,12 @@ static int max77693_muic_jig_handler(struct max77693_muic_info *info, case MAX77693_MUIC_ADC_FACTORY_MODE_USB_OFF: /* ADC_JIG_USB_OFF */ case MAX77693_MUIC_ADC_FACTORY_MODE_USB_ON: /* ADC_JIG_USB_ON */ /* PATH:AP_USB */ - path = CONTROL1_SW_USB; + path = MAX77693_CONTROL1_SW_USB; break; case MAX77693_MUIC_ADC_FACTORY_MODE_UART_OFF: /* ADC_JIG_UART_OFF */ case MAX77693_MUIC_ADC_FACTORY_MODE_UART_ON: /* ADC_JIG_UART_ON */ /* PATH:AP_UART */ - path = CONTROL1_SW_UART; + path = MAX77693_CONTROL1_SW_UART; break; default: dev_err(info->dev, "failed to detect %s jig cable\n", @@ -1077,7 +1082,7 @@ static int max77693_muic_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "allocate register map\n"); } else { info->max77693->regmap_muic = devm_regmap_init_i2c( - info->max77693->muic, + info->max77693->i2c_muic, &max77693_muic_regmap_config); if (IS_ERR(info->max77693->regmap_muic)) { ret = PTR_ERR(info->max77693->regmap_muic); @@ -1164,28 +1169,9 @@ static int max77693_muic_probe(struct platform_device *pdev) } for (i = 0; i < num_init_data; i++) { - enum max77693_irq_source irq_src - = MAX77693_IRQ_GROUP_NR; - regmap_write(info->max77693->regmap_muic, init_data[i].addr, init_data[i].data); - - switch (init_data[i].addr) { - case MAX77693_MUIC_REG_INTMASK1: - irq_src = MUIC_INT1; - break; - case MAX77693_MUIC_REG_INTMASK2: - irq_src = MUIC_INT2; - break; - case MAX77693_MUIC_REG_INTMASK3: - irq_src = MUIC_INT3; - break; - } - - if (irq_src < MAX77693_IRQ_GROUP_NR) - info->max77693->irq_masks_cur[irq_src] - = init_data[i].data; } if (pdata && pdata->muic_data) { @@ -1199,12 +1185,12 @@ static int max77693_muic_probe(struct platform_device *pdev) if (muic_pdata->path_uart) info->path_uart = muic_pdata->path_uart; else - info->path_uart = CONTROL1_SW_UART; + info->path_uart = MAX77693_CONTROL1_SW_UART; if (muic_pdata->path_usb) info->path_usb = muic_pdata->path_usb; else - info->path_usb = CONTROL1_SW_USB; + info->path_usb = MAX77693_CONTROL1_SW_USB; /* * Default delay time for detecting cable state @@ -1216,8 +1202,8 @@ static int max77693_muic_probe(struct platform_device *pdev) else delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); } else { - info->path_usb = CONTROL1_SW_USB; - info->path_uart = CONTROL1_SW_UART; + info->path_usb = MAX77693_CONTROL1_SW_USB; + info->path_uart = MAX77693_CONTROL1_SW_UART; delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT); } diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c index fac2f1417..fdd928542 100644 --- a/drivers/extcon/extcon-max77843.c +++ b/drivers/extcon/extcon-max77843.c @@ -15,6 +15,7 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/kernel.h> +#include <linux/mfd/max77693-common.h> #include <linux/mfd/max77843-private.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -32,7 +33,7 @@ enum max77843_muic_status { struct max77843_muic_info { struct device *dev; - struct max77843 *max77843; + struct max77693_dev *max77843; struct extcon_dev *edev; struct mutex mutex; @@ -198,18 +199,18 @@ static const struct regmap_irq_chip max77843_muic_irq_chip = { static int max77843_muic_set_path(struct max77843_muic_info *info, u8 val, bool attached) { - struct max77843 *max77843 = info->max77843; + struct max77693_dev *max77843 = info->max77843; int ret = 0; unsigned int ctrl1, ctrl2; if (attached) ctrl1 = val; else - ctrl1 = CONTROL1_SW_OPEN; + ctrl1 = MAX77843_MUIC_CONTROL1_SW_OPEN; ret = regmap_update_bits(max77843->regmap_muic, MAX77843_MUIC_REG_CONTROL1, - CONTROL1_COM_SW, ctrl1); + MAX77843_MUIC_CONTROL1_COM_SW, ctrl1); if (ret < 0) { dev_err(info->dev, "Cannot switch MUIC port\n"); return ret; @@ -243,7 +244,7 @@ static int max77843_muic_get_cable_type(struct max77843_muic_info *info, adc = info->status[MAX77843_MUIC_STATUS1] & MAX77843_MUIC_STATUS1_ADC_MASK; - adc >>= STATUS1_ADC_SHIFT; + adc >>= MAX77843_MUIC_STATUS1_ADC_SHIFT; switch (group) { case MAX77843_CABLE_GROUP_ADC: @@ -309,7 +310,7 @@ static int max77843_muic_get_cable_type(struct max77843_muic_info *info, /* Get VBVolt register bit */ gnd_type |= (info->status[MAX77843_MUIC_STATUS2] & MAX77843_MUIC_STATUS2_VBVOLT_MASK); - gnd_type >>= STATUS2_VBVOLT_SHIFT; + gnd_type >>= MAX77843_MUIC_STATUS2_VBVOLT_SHIFT; /* Offset of GND cable */ gnd_type |= MAX77843_MUIC_GND_USB_HOST; @@ -338,7 +339,9 @@ static int max77843_muic_adc_gnd_handler(struct max77843_muic_info *info) switch (gnd_cable_type) { case MAX77843_MUIC_GND_USB_HOST: case MAX77843_MUIC_GND_USB_HOST_VB: - ret = max77843_muic_set_path(info, CONTROL1_SW_USB, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_USB, + attached); if (ret < 0) return ret; @@ -346,7 +349,9 @@ static int max77843_muic_adc_gnd_handler(struct max77843_muic_info *info) break; case MAX77843_MUIC_GND_MHL_VB: case MAX77843_MUIC_GND_MHL: - ret = max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_OPEN, + attached); if (ret < 0) return ret; @@ -365,7 +370,7 @@ static int max77843_muic_jig_handler(struct max77843_muic_info *info, int cable_type, bool attached) { int ret; - u8 path = CONTROL1_SW_OPEN; + u8 path = MAX77843_MUIC_CONTROL1_SW_OPEN; dev_dbg(info->dev, "external connector is %s (adc:0x%02x)\n", attached ? "attached" : "detached", cable_type); @@ -373,10 +378,10 @@ static int max77843_muic_jig_handler(struct max77843_muic_info *info, switch (cable_type) { case MAX77843_MUIC_ADC_FACTORY_MODE_USB_OFF: case MAX77843_MUIC_ADC_FACTORY_MODE_USB_ON: - path = CONTROL1_SW_USB; + path = MAX77843_MUIC_CONTROL1_SW_USB; break; case MAX77843_MUIC_ADC_FACTORY_MODE_UART_OFF: - path = CONTROL1_SW_UART; + path = MAX77843_MUIC_CONTROL1_SW_UART; break; default: return -EINVAL; @@ -474,14 +479,18 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info) switch (chg_type) { case MAX77843_MUIC_CHG_USB: - ret = max77843_muic_set_path(info, CONTROL1_SW_USB, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_USB, + attached); if (ret < 0) return ret; extcon_set_cable_state_(info->edev, EXTCON_USB, attached); break; case MAX77843_MUIC_CHG_DOWNSTREAM: - ret = max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_OPEN, + attached); if (ret < 0) return ret; @@ -489,14 +498,18 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info) attached); break; case MAX77843_MUIC_CHG_DEDICATED: - ret = max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_OPEN, + attached); if (ret < 0) return ret; extcon_set_cable_state_(info->edev, EXTCON_TA, attached); break; case MAX77843_MUIC_CHG_SPECIAL_500MA: - ret = max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_OPEN, + attached); if (ret < 0) return ret; @@ -504,7 +517,9 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info) attached); break; case MAX77843_MUIC_CHG_SPECIAL_1A: - ret = max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached); + ret = max77843_muic_set_path(info, + MAX77843_MUIC_CONTROL1_SW_OPEN, + attached); if (ret < 0) return ret; @@ -528,7 +543,8 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info) "failed to detect %s accessory (chg_type:0x%x)\n", attached ? "attached" : "detached", chg_type); - max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached); + max77843_muic_set_path(info, MAX77843_MUIC_CONTROL1_SW_OPEN, + attached); return -EINVAL; } @@ -539,7 +555,7 @@ static void max77843_muic_irq_work(struct work_struct *work) { struct max77843_muic_info *info = container_of(work, struct max77843_muic_info, irq_work); - struct max77843 *max77843 = info->max77843; + struct max77693_dev *max77843 = info->max77843; int ret = 0; mutex_lock(&info->mutex); @@ -615,7 +631,7 @@ static void max77843_muic_detect_cable_wq(struct work_struct *work) { struct max77843_muic_info *info = container_of(to_delayed_work(work), struct max77843_muic_info, wq_detcable); - struct max77843 *max77843 = info->max77843; + struct max77693_dev *max77843 = info->max77843; int chg_type, adc, ret; bool attached; @@ -656,7 +672,7 @@ err_cable_wq: static int max77843_muic_set_debounce_time(struct max77843_muic_info *info, enum max77843_muic_adc_debounce_time time) { - struct max77843 *max77843 = info->max77843; + struct max77693_dev *max77843 = info->max77843; int ret; switch (time) { @@ -667,7 +683,7 @@ static int max77843_muic_set_debounce_time(struct max77843_muic_info *info, ret = regmap_update_bits(max77843->regmap_muic, MAX77843_MUIC_REG_CONTROL4, MAX77843_MUIC_CONTROL4_ADCDBSET_MASK, - time << CONTROL4_ADCDBSET_SHIFT); + time << MAX77843_MUIC_CONTROL4_ADCDBSET_SHIFT); if (ret < 0) { dev_err(info->dev, "Cannot write MUIC regmap\n"); return ret; @@ -681,7 +697,7 @@ static int max77843_muic_set_debounce_time(struct max77843_muic_info *info, return 0; } -static int max77843_init_muic_regmap(struct max77843 *max77843) +static int max77843_init_muic_regmap(struct max77693_dev *max77843) { int ret; @@ -720,7 +736,7 @@ err_muic_i2c: static int max77843_muic_probe(struct platform_device *pdev) { - struct max77843 *max77843 = dev_get_drvdata(pdev->dev.parent); + struct max77693_dev *max77843 = dev_get_drvdata(pdev->dev.parent); struct max77843_muic_info *info; unsigned int id; int i, ret; @@ -768,7 +784,7 @@ static int max77843_muic_probe(struct platform_device *pdev) max77843_muic_set_debounce_time(info, MAX77843_DEBOUNCE_TIME_25MS); /* Set initial path for UART */ - max77843_muic_set_path(info, CONTROL1_SW_UART, true); + max77843_muic_set_path(info, MAX77843_MUIC_CONTROL1_SW_UART, true); /* Check revision number of MUIC device */ ret = regmap_read(max77843->regmap_muic, MAX77843_MUIC_REG_ID, &id); @@ -781,6 +797,15 @@ static int max77843_muic_probe(struct platform_device *pdev) /* Support virtual irq domain for max77843 MUIC device */ INIT_WORK(&info->irq_work, max77843_muic_irq_work); + /* Clear IRQ bits before request IRQs */ + ret = regmap_bulk_read(max77843->regmap_muic, + MAX77843_MUIC_REG_INT1, info->status, + MAX77843_MUIC_IRQ_NUM); + if (ret) { + dev_err(&pdev->dev, "Failed to Clear IRQ bits\n"); + goto err_muic_irq; + } + for (i = 0; i < ARRAY_SIZE(max77843_muic_irqs); i++) { struct max77843_muic_irq *muic_irq = &max77843_muic_irqs[i]; unsigned int virq = 0; @@ -821,7 +846,7 @@ err_muic_irq: static int max77843_muic_remove(struct platform_device *pdev) { struct max77843_muic_info *info = platform_get_drvdata(pdev); - struct max77843 *max77843 = info->max77843; + struct max77693_dev *max77843 = info->max77843; cancel_work_sync(&info->irq_work); regmap_del_irq_chip(max77843->irq, max77843->irq_data_muic); diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c index eebdf2a33..93c30a885 100644 --- a/drivers/extcon/extcon-palmas.c +++ b/drivers/extcon/extcon-palmas.c @@ -28,6 +28,11 @@ #include <linux/mfd/palmas.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/workqueue.h> + +#define USB_GPIO_DEBOUNCE_MS 20 /* ms */ static const unsigned int palmas_extcon_cable[] = { EXTCON_USB, @@ -35,8 +40,6 @@ static const unsigned int palmas_extcon_cable[] = { EXTCON_NONE, }; -static const int mutually_exclusive[] = {0x3, 0x0}; - static void palmas_usb_wakeup(struct palmas *palmas, int enable) { if (enable) @@ -120,19 +123,54 @@ static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb) return IRQ_HANDLED; } +static void palmas_gpio_id_detect(struct work_struct *work) +{ + int id; + struct palmas_usb *palmas_usb = container_of(to_delayed_work(work), + struct palmas_usb, + wq_detectid); + struct extcon_dev *edev = palmas_usb->edev; + + if (!palmas_usb->id_gpiod) + return; + + id = gpiod_get_value_cansleep(palmas_usb->id_gpiod); + + if (id) { + extcon_set_cable_state_(edev, EXTCON_USB_HOST, false); + dev_info(palmas_usb->dev, "USB-HOST cable is detached\n"); + } else { + extcon_set_cable_state_(edev, EXTCON_USB_HOST, true); + dev_info(palmas_usb->dev, "USB-HOST cable is attached\n"); + } +} + +static irqreturn_t palmas_gpio_id_irq_handler(int irq, void *_palmas_usb) +{ + struct palmas_usb *palmas_usb = _palmas_usb; + + queue_delayed_work(system_power_efficient_wq, &palmas_usb->wq_detectid, + palmas_usb->sw_debounce_jiffies); + + return IRQ_HANDLED; +} + static void palmas_enable_irq(struct palmas_usb *palmas_usb) { palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, PALMAS_USB_VBUS_CTRL_SET, PALMAS_USB_VBUS_CTRL_SET_VBUS_ACT_COMP); - palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, - PALMAS_USB_ID_CTRL_SET, PALMAS_USB_ID_CTRL_SET_ID_ACT_COMP); + if (palmas_usb->enable_id_detection) { + palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, + PALMAS_USB_ID_CTRL_SET, + PALMAS_USB_ID_CTRL_SET_ID_ACT_COMP); - palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, - PALMAS_USB_ID_INT_EN_HI_SET, - PALMAS_USB_ID_INT_EN_HI_SET_ID_GND | - PALMAS_USB_ID_INT_EN_HI_SET_ID_FLOAT); + palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, + PALMAS_USB_ID_INT_EN_HI_SET, + PALMAS_USB_ID_INT_EN_HI_SET_ID_GND | + PALMAS_USB_ID_INT_EN_HI_SET_ID_FLOAT); + } if (palmas_usb->enable_vbus_detection) palmas_vbus_irq_handler(palmas_usb->vbus_irq, palmas_usb); @@ -171,20 +209,37 @@ static int palmas_usb_probe(struct platform_device *pdev) palmas_usb->wakeup = pdata->wakeup; } + palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id", + GPIOD_IN); + if (IS_ERR(palmas_usb->id_gpiod)) { + dev_err(&pdev->dev, "failed to get id gpio\n"); + return PTR_ERR(palmas_usb->id_gpiod); + } + + if (palmas_usb->enable_id_detection && palmas_usb->id_gpiod) { + palmas_usb->enable_id_detection = false; + palmas_usb->enable_gpio_id_detection = true; + } + + if (palmas_usb->enable_gpio_id_detection) { + u32 debounce; + + if (of_property_read_u32(node, "debounce-delay-ms", &debounce)) + debounce = USB_GPIO_DEBOUNCE_MS; + + status = gpiod_set_debounce(palmas_usb->id_gpiod, + debounce * 1000); + if (status < 0) + palmas_usb->sw_debounce_jiffies = msecs_to_jiffies(debounce); + } + + INIT_DELAYED_WORK(&palmas_usb->wq_detectid, palmas_gpio_id_detect); + palmas->usb = palmas_usb; palmas_usb->palmas = palmas; palmas_usb->dev = &pdev->dev; - palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data, - PALMAS_ID_OTG_IRQ); - palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data, - PALMAS_ID_IRQ); - palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data, - PALMAS_VBUS_OTG_IRQ); - palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data, - PALMAS_VBUS_IRQ); - palmas_usb_wakeup(palmas, palmas_usb->wakeup); platform_set_drvdata(pdev, palmas_usb); @@ -195,7 +250,6 @@ static int palmas_usb_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to allocate extcon device\n"); return -ENOMEM; } - palmas_usb->edev->mutually_exclusive = mutually_exclusive; status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev); if (status) { @@ -204,6 +258,10 @@ static int palmas_usb_probe(struct platform_device *pdev) } if (palmas_usb->enable_id_detection) { + palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data, + PALMAS_ID_OTG_IRQ); + palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data, + PALMAS_ID_IRQ); status = devm_request_threaded_irq(palmas_usb->dev, palmas_usb->id_irq, NULL, palmas_id_irq_handler, @@ -215,9 +273,33 @@ static int palmas_usb_probe(struct platform_device *pdev) palmas_usb->id_irq, status); return status; } + } else if (palmas_usb->enable_gpio_id_detection) { + palmas_usb->gpio_id_irq = gpiod_to_irq(palmas_usb->id_gpiod); + if (palmas_usb->gpio_id_irq < 0) { + dev_err(&pdev->dev, "failed to get id irq\n"); + return palmas_usb->gpio_id_irq; + } + status = devm_request_threaded_irq(&pdev->dev, + palmas_usb->gpio_id_irq, + NULL, + palmas_gpio_id_irq_handler, + IRQF_TRIGGER_RISING | + IRQF_TRIGGER_FALLING | + IRQF_ONESHOT, + "palmas_usb_id", + palmas_usb); + if (status < 0) { + dev_err(&pdev->dev, + "failed to request handler for id irq\n"); + return status; + } } if (palmas_usb->enable_vbus_detection) { + palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data, + PALMAS_VBUS_OTG_IRQ); + palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data, + PALMAS_VBUS_IRQ); status = devm_request_threaded_irq(palmas_usb->dev, palmas_usb->vbus_irq, NULL, palmas_vbus_irq_handler, @@ -232,10 +314,21 @@ static int palmas_usb_probe(struct platform_device *pdev) } palmas_enable_irq(palmas_usb); + /* perform initial detection */ + palmas_gpio_id_detect(&palmas_usb->wq_detectid.work); device_set_wakeup_capable(&pdev->dev, true); return 0; } +static int palmas_usb_remove(struct platform_device *pdev) +{ + struct palmas_usb *palmas_usb = platform_get_drvdata(pdev); + + cancel_delayed_work_sync(&palmas_usb->wq_detectid); + + return 0; +} + #ifdef CONFIG_PM_SLEEP static int palmas_usb_suspend(struct device *dev) { @@ -246,6 +339,8 @@ static int palmas_usb_suspend(struct device *dev) enable_irq_wake(palmas_usb->vbus_irq); if (palmas_usb->enable_id_detection) enable_irq_wake(palmas_usb->id_irq); + if (palmas_usb->enable_gpio_id_detection) + enable_irq_wake(palmas_usb->gpio_id_irq); } return 0; } @@ -259,6 +354,8 @@ static int palmas_usb_resume(struct device *dev) disable_irq_wake(palmas_usb->vbus_irq); if (palmas_usb->enable_id_detection) disable_irq_wake(palmas_usb->id_irq); + if (palmas_usb->enable_gpio_id_detection) + disable_irq_wake(palmas_usb->gpio_id_irq); } return 0; }; @@ -276,6 +373,7 @@ static const struct of_device_id of_palmas_match_tbl[] = { static struct platform_driver palmas_usb_driver = { .probe = palmas_usb_probe, + .remove = palmas_usb_remove, .driver = { .name = "palmas-usb", .of_match_table = of_palmas_match_tbl, diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c index 92c939221..11592e980 100644 --- a/drivers/extcon/extcon-rt8973a.c +++ b/drivers/extcon/extcon-rt8973a.c @@ -693,7 +693,6 @@ MODULE_DEVICE_TABLE(i2c, rt8973a_i2c_id); static struct i2c_driver rt8973a_muic_i2c_driver = { .driver = { .name = "rt8973a", - .owner = THIS_MODULE, .pm = &rt8973a_muic_pm_ops, .of_match_table = rt8973a_dt_match, }, diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c index 817dece23..0ffefefa2 100644 --- a/drivers/extcon/extcon-sm5502.c +++ b/drivers/extcon/extcon-sm5502.c @@ -685,7 +685,6 @@ MODULE_DEVICE_TABLE(i2c, sm5502_i2c_id); static struct i2c_driver sm5502_muic_i2c_driver = { .driver = { .name = "sm5502", - .owner = THIS_MODULE, .pm = &sm5502_muic_pm_ops, .of_match_table = sm5502_dt_match, }, diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c index a2a44536a..2b2fecffb 100644 --- a/drivers/extcon/extcon-usb-gpio.c +++ b/drivers/extcon/extcon-usb-gpio.c @@ -15,6 +15,7 @@ */ #include <linux/extcon.h> +#include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index ca94f475f..8dd0af1d5 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -172,14 +172,6 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr, int i, count = 0; struct extcon_dev *edev = dev_get_drvdata(dev); - if (edev->print_state) { - int ret = edev->print_state(edev, buf); - - if (ret >= 0) - return ret; - /* Use default if failed */ - } - if (edev->max_supported == 0) return sprintf(buf, "%u\n", edev->state); @@ -272,6 +264,9 @@ int extcon_update_state(struct extcon_dev *edev, u32 mask, u32 state) unsigned long flags; bool attached; + if (!edev) + return -EINVAL; + spin_lock_irqsave(&edev->lock, flags); if (edev->state != ((edev->state & ~mask) | (state & mask))) { @@ -345,6 +340,9 @@ EXPORT_SYMBOL_GPL(extcon_update_state); */ int extcon_set_state(struct extcon_dev *edev, u32 state) { + if (!edev) + return -EINVAL; + return extcon_update_state(edev, 0xffffffff, state); } EXPORT_SYMBOL_GPL(extcon_set_state); @@ -358,6 +356,9 @@ int extcon_get_cable_state_(struct extcon_dev *edev, const unsigned int id) { int index; + if (!edev) + return -EINVAL; + index = find_cable_index_by_id(edev, id); if (index < 0) return index; @@ -402,6 +403,9 @@ int extcon_set_cable_state_(struct extcon_dev *edev, unsigned int id, u32 state; int index; + if (!edev) + return -EINVAL; + index = find_cable_index_by_id(edev, id); if (index < 0) return index; @@ -444,6 +448,9 @@ struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name) { struct extcon_dev *sd; + if (!extcon_name) + return ERR_PTR(-EINVAL); + mutex_lock(&extcon_dev_list_lock); list_for_each_entry(sd, &extcon_dev_list, entry) { if (!strcmp(sd->name, extcon_name)) @@ -572,6 +579,9 @@ int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, unsigned long flags; int ret, idx; + if (!edev || !nb) + return -EINVAL; + idx = find_cable_index_by_id(edev, id); spin_lock_irqsave(&edev->lock, flags); @@ -594,6 +604,9 @@ int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, unsigned long flags; int ret, idx; + if (!edev || !nb) + return -EINVAL; + idx = find_cable_index_by_id(edev, id); spin_lock_irqsave(&edev->lock, flags); @@ -654,6 +667,9 @@ struct extcon_dev *extcon_dev_allocate(const unsigned int *supported_cable) { struct extcon_dev *edev; + if (!supported_cable) + return ERR_PTR(-EINVAL); + edev = kzalloc(sizeof(*edev), GFP_KERNEL); if (!edev) return ERR_PTR(-ENOMEM); @@ -754,7 +770,7 @@ int extcon_dev_register(struct extcon_dev *edev) return ret; } - if (!edev->supported_cable) + if (!edev || !edev->supported_cable) return -EINVAL; for (; edev->supported_cable[index] != EXTCON_NONE; index++); @@ -960,6 +976,9 @@ void extcon_dev_unregister(struct extcon_dev *edev) { int index; + if (!edev) + return; + mutex_lock(&extcon_dev_list_lock); list_del(&edev->entry); mutex_unlock(&extcon_dev_list_lock); @@ -1066,6 +1085,9 @@ struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index) struct device_node *node; struct extcon_dev *edev; + if (!dev) + return ERR_PTR(-EINVAL); + if (!dev->of_node) { dev_err(dev, "device does not have a device node entry\n"); return ERR_PTR(-EINVAL); |