/* * max77693-muic.c - MUIC driver for the Maxim 77693 * * Copyright (C) 2012 Samsung Electronics * * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_USBHUB_USB3803 #include #endif #include #include #define DEV_NAME "max77693-muic" /* for providing API */ static struct max77693_muic_info *gInfo; /* For restore charger interrupt states */ static u8 chg_int_state; #ifdef CONFIG_LTE_VIA_SWITCH /* For saving uart path during CP booting */ static int cpbooting; #endif /* MAX77693 MUIC CHG_TYP setting values */ enum { /* No Valid voltage at VB (Vvb < Vvbdet) */ CHGTYP_NO_VOLTAGE = 0x00, /* Unknown (D+/D- does not present a valid USB charger signature) */ CHGTYP_USB = 0x01, /* Charging Downstream Port */ CHGTYP_DOWNSTREAM_PORT = 0x02, /* Dedicated Charger (D+/D- shorted) */ CHGTYP_DEDICATED_CHGR = 0x03, /* Special 500mA charger, max current 500mA */ CHGTYP_500MA = 0x04, /* Special 1A charger, max current 1A */ CHGTYP_1A = 0x05, /* Reserved for Future Use */ CHGTYP_RFU = 0x06, /* Dead Battery Charging, max current 100mA */ CHGTYP_DB_100MA = 0x07, CHGTYP_MAX, CHGTYP_INIT, CHGTYP_MIN = CHGTYP_NO_VOLTAGE }; enum { ADC_GND = 0x00, #if defined(CONFIG_MUIC_DET_JACK) ADC_MHL_OR_SENDEND = 0x01, #else ADC_MHL = 0x01, #endif ADC_DOCK_PREV_KEY = 0x04, ADC_DOCK_NEXT_KEY = 0x07, ADC_DOCK_VOL_DN = 0x0a, /* 0x01010 14.46K ohm */ ADC_DOCK_VOL_UP = 0x0b, /* 0x01011 17.26K ohm */ ADC_DOCK_PLAY_PAUSE_KEY = 0x0d, ADC_SMARTDOCK = 0x10, /* 0x10000 40.2K ohm */ ADC_AUDIODOCK = 0x12, /* 0x10010 64.9K ohm */ ADC_CEA936ATYPE1_CHG = 0x17, /* 0x10111 200K ohm */ ADC_JIG_USB_OFF = 0x18, /* 0x11000 255K ohm */ ADC_JIG_USB_ON = 0x19, /* 0x11001 301K ohm */ ADC_DESKDOCK = 0x1a, /* 0x11010 365K ohm */ ADC_CEA936ATYPE2_CHG = 0x1b, /* 0x11011 442K ohm */ ADC_JIG_UART_OFF = 0x1c, /* 0x11100 523K ohm */ ADC_JIG_UART_ON = 0x1d, /* 0x11101 619K ohm */ ADC_CARDOCK = 0x1d, /* 0x11101 619K ohm */ #if defined(CONFIG_MUIC_DET_JACK) ADC_EARJACK = 0x1e, /* 0x11110 1000 or 1002 ohm */ #endif ADC_OPEN = 0x1f }; enum { DOCK_KEY_NONE = 0, DOCK_KEY_VOL_UP_PRESSED, DOCK_KEY_VOL_UP_RELEASED, DOCK_KEY_VOL_DOWN_PRESSED, DOCK_KEY_VOL_DOWN_RELEASED, DOCK_KEY_PREV_PRESSED, DOCK_KEY_PREV_RELEASED, DOCK_KEY_PLAY_PAUSE_PRESSED, DOCK_KEY_PLAY_PAUSE_RELEASED, DOCK_KEY_NEXT_PRESSED, DOCK_KEY_NEXT_RELEASED, }; struct max77693_muic_info { struct device *dev; struct max77693_dev *max77693; struct i2c_client *muic; struct max77693_muic_data *muic_data; int irq_adc; int irq_chgtype; int irq_vbvolt; int irq_adc1k; int mansw; bool is_default_uart_path_cp; struct wake_lock muic_wake_lock; enum cable_type_muic cable_type; #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) ||\ defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) struct delayed_work dock_work; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK || CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ struct delayed_work init_work; struct delayed_work usb_work; struct delayed_work mhl_work; struct mutex mutex; bool is_usb_ready; bool is_mhl_ready; struct input_dev *input; int previous_key; bool is_adc_open_prev; #if defined(CONFIG_MACH_GC1) bool is_otg_attach_blocked; #endif /* CONFIG_MACH_GC1 */ #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) bool is_factory_start; #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ #if defined(CONFIG_MUIC_DET_JACK) int earkeypressed; int previous_earkey; #endif #ifdef CONFIG_EXTCON struct extcon_dev *edev; #endif }; static int if_muic_info; static int switch_sel; static int if_pmic_rev; /* func : get_if_pmic_inifo * switch_sel value get from bootloader comand line * switch_sel data consist 8 bits (xxxxzzzz) * first 4bits(zzzz) mean path infomation. * next 4bits(xxxx) mean if pmic version info */ static int get_if_pmic_inifo(char *str) { get_option(&str, &if_muic_info); switch_sel = if_muic_info & 0x0f; if_pmic_rev = (if_muic_info & 0xf0) >> 4; pr_info("%s %s: switch_sel: %x if_pmic_rev:%x\n", __FILE__, __func__, switch_sel, if_pmic_rev); return if_muic_info; } __setup("pmic_info=", get_if_pmic_inifo); int get_switch_sel(void) { return switch_sel; } static int max77693_muic_get_comp2_comn1_pass2 (struct max77693_muic_info *info) { int ret; u8 val; ret = max77693_read_reg(info->muic, MAX77693_MUIC_REG_CTRL1, &val); val = val & CLEAR_IDBEN_MICEN_MASK; dev_info(info->dev, "func:%s ret:%d val:%x\n", __func__, ret, val); if (ret) { dev_err(info->dev, "%s: fail to read muic reg\n", __func__); return -EINVAL; } return val; } static int max77693_muic_set_comp2_comn1_pass2 (struct max77693_muic_info *info, int type, int path) { /* type 0 == usb, type 1 == uart */ u8 cntl1_val, cntl1_msk; int ret = 0; int val; dev_info(info->dev, "func: %s type: %d path: %d\n", __func__, type, path); if (type == 0) { if (path == AP_USB_MODE) { info->muic_data->sw_path = AP_USB_MODE; val = MAX77693_MUIC_CTRL1_BIN_1_001; } else if (path == CP_USB_MODE) { info->muic_data->sw_path = CP_USB_MODE; val = MAX77693_MUIC_CTRL1_BIN_4_100; } else { dev_err(info->dev, "func: %s invalid usb path\n" , __func__); return -EINVAL; } } else if (type == 1) { if (path == UART_PATH_AP) { info->muic_data->uart_path = UART_PATH_AP; if (info->is_default_uart_path_cp) val = MAX77693_MUIC_CTRL1_BIN_5_101; else val = MAX77693_MUIC_CTRL1_BIN_3_011; } else if (path == UART_PATH_CP) { info->muic_data->uart_path = UART_PATH_CP; if (info->is_default_uart_path_cp) val = MAX77693_MUIC_CTRL1_BIN_3_011; else val = MAX77693_MUIC_CTRL1_BIN_5_101; #ifdef CONFIG_LTE_VIA_SWITCH dev_info(info->dev, "%s: cpbooting is %s\n", __func__, cpbooting ? "started. skip path set" : "done. set path"); if (!cpbooting) { if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { gpio_set_value(GPIO_LTE_VIA_UART_SEL, GPIO_LEVEL_HIGH); dev_info(info->dev, "%s: LTE_GPIO_LEVEL_HIGH" , __func__); } else { dev_err(info->dev, "%s: ERR_LTE_GPIO_SET_HIGH\n" , __func__); return -EINVAL; } } #endif } #ifdef CONFIG_LTE_VIA_SWITCH else if (path == UART_PATH_LTE) { info->muic_data->uart_path = UART_PATH_LTE; val = MAX77693_MUIC_CTRL1_BIN_5_101; if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { gpio_set_value(GPIO_LTE_VIA_UART_SEL, GPIO_LEVEL_LOW); dev_info(info->dev, "%s: LTE_GPIO_LEVEL_LOW\n" , __func__); } else { dev_err(info->dev, "%s: ERR_LTE_GPIO_SET_LOW\n" , __func__); return -EINVAL; } } #endif else { dev_err(info->dev, "func: %s invalid uart path\n" , __func__); return -EINVAL; } } #if defined(CONFIG_MUIC_DET_JACK) else if (type == 2) { val = MAX77693_MUIC_CTRL1_BIN_2_010; } #endif else { dev_err(info->dev, "func: %s invalid path type(%d)\n" , __func__, type); return -EINVAL; } cntl1_val = (val << COMN1SW_SHIFT) | (val << COMP2SW_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK; ret = max77693_update_reg(info->muic, MAX77693_MUIC_REG_CTRL1, cntl1_val, cntl1_msk); dev_info(info->dev, "%s: CNTL1(0x%02x) ret: %d\n", __func__, cntl1_val, ret); return ret; } static int max77693_muic_set_usb_path_pass2 (struct max77693_muic_info *info, int path) { int ret = 0; ret = max77693_muic_set_comp2_comn1_pass2 (info, 0/*usb*/, path); sysfs_notify(&switch_dev->kobj, NULL, "usb_sel"); return ret; } static int max77693_muic_get_usb_path_pass2 (struct max77693_muic_info *info) { u8 val; val = max77693_muic_get_comp2_comn1_pass2(info); if (val == CTRL1_AP_USB) return AP_USB_MODE; else if (val == CTRL1_CP_USB) return CP_USB_MODE; else if (val == CTRL1_AUDIO) return AUDIO_MODE; else return -EINVAL; } static int max77693_muic_set_uart_path_pass2 (struct max77693_muic_info *info, int path) { int ret = 0; ret = max77693_muic_set_comp2_comn1_pass2 (info, 1/*uart*/, path); return ret; } static int max77693_muic_get_uart_path_pass2 (struct max77693_muic_info *info) { u8 val; val = max77693_muic_get_comp2_comn1_pass2(info); if (val == CTRL1_AP_UART) { if (info->is_default_uart_path_cp) return UART_PATH_CP; else return UART_PATH_AP; } else if (val == CTRL1_CP_UART) { #ifdef CONFIG_LTE_VIA_SWITCH if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { if (gpio_get_value(GPIO_LTE_VIA_UART_SEL)) return UART_PATH_CP; else return UART_PATH_LTE; } else { dev_info(info->dev, "%s: ERR_UART_PATH_LTE\n" , __func__); return -EINVAL; } #endif #ifndef CONFIG_LTE_VIA_SWITCH if (info->is_default_uart_path_cp) return UART_PATH_AP; else return UART_PATH_CP; #endif } else { return -EINVAL; } } #if defined(CONFIG_MUIC_DET_JACK) static int max77693_muic_set_audio_path_pass2 (struct max77693_muic_info *info, int path) { int ret = 0; ret = max77693_muic_set_comp2_comn1_pass2 (info, 2/*audio*/, path); return ret; } #endif static ssize_t max77693_muic_show_usb_state(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); dev_info(info->dev, "func:%s info->cable_type:%d\n", __func__, info->cable_type); switch (info->cable_type) { case CABLE_TYPE_USB_MUIC: case CABLE_TYPE_JIG_USB_OFF_MUIC: case CABLE_TYPE_JIG_USB_ON_MUIC: return sprintf(buf, "USB_STATE_CONFIGURED\n"); default: break; } return sprintf(buf, "USB_STATE_NOTCONFIGURED\n"); } static ssize_t max77693_muic_show_device(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); dev_info(info->dev, "func:%s info->cable_type:%d\n", __func__, info->cable_type); switch (info->cable_type) { case CABLE_TYPE_NONE_MUIC: return sprintf(buf, "No cable\n"); case CABLE_TYPE_USB_MUIC: return sprintf(buf, "USB\n"); case CABLE_TYPE_OTG_MUIC: return sprintf(buf, "OTG\n"); case CABLE_TYPE_TA_MUIC: return sprintf(buf, "TA\n"); case CABLE_TYPE_DESKDOCK_MUIC: return sprintf(buf, "Desk Dock\n"); case CABLE_TYPE_CARDOCK_MUIC: return sprintf(buf, "Car Dock\n"); case CABLE_TYPE_JIG_UART_OFF_MUIC: return sprintf(buf, "JIG UART OFF\n"); case CABLE_TYPE_JIG_UART_OFF_VB_MUIC: return sprintf(buf, "JIG UART OFF/VB\n"); case CABLE_TYPE_JIG_UART_ON_MUIC: return sprintf(buf, "JIG UART ON\n"); case CABLE_TYPE_JIG_USB_OFF_MUIC: return sprintf(buf, "JIG USB OFF\n"); case CABLE_TYPE_JIG_USB_ON_MUIC: return sprintf(buf, "JIG USB ON\n"); case CABLE_TYPE_MHL_MUIC: return sprintf(buf, "mHL\n"); case CABLE_TYPE_MHL_VB_MUIC: return sprintf(buf, "mHL charging\n"); case CABLE_TYPE_SMARTDOCK_MUIC: return sprintf(buf, "Smart Dock\n"); case CABLE_TYPE_SMARTDOCK_TA_MUIC: return sprintf(buf, "Smart Dock+TA\n"); case CABLE_TYPE_SMARTDOCK_USB_MUIC: return sprintf(buf, "Smart Dock+USB\n"); case CABLE_TYPE_AUDIODOCK_MUIC: return sprintf(buf, "Audio Dock\n"); default: break; } return sprintf(buf, "UNKNOWN\n"); } static ssize_t max77693_muic_show_manualsw(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); #if !defined(CONFIG_MACH_T0) && !defined(CONFIG_MACH_M3) \ && !defined(CONFIG_MACH_SLP_T0_LTE) && !defined(CONFIG_MACH_KONA) dev_info(info->dev, "func:%s ap(0),cp(1),vps(2)sw_path:%d(%d)\n", __func__, info->muic_data->sw_path, gpio_get_value(GPIO_USB_SEL));/*For debuging*/ #endif switch (info->muic_data->sw_path) { case AP_USB_MODE: return sprintf(buf, "PDA\n"); case CP_USB_MODE: return sprintf(buf, "MODEM\n"); case AUDIO_MODE: return sprintf(buf, "Audio\n"); #if defined(CONFIG_SWITCH_DUAL_MODEM) case CP_ESC_USB_MODE: return sprintf(buf, "ESC\n"); #endif default: break; } return sprintf(buf, "UNKNOWN\n"); } static ssize_t max77693_muic_set_manualsw(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); dev_info(info->dev, "func:%s buf:%s,count:%d\n", __func__, buf, count); if (!strncasecmp(buf, "PDA", 3)) { info->muic_data->sw_path = AP_USB_MODE; dev_info(info->dev, "%s: AP_USB_MODE\n", __func__); } else if (!strncasecmp(buf, "MODEM", 5)) { info->muic_data->sw_path = CP_USB_MODE; #if defined(CONFIG_SWITCH_DUAL_MODEM) gpio_set_value(GPIO_USB_SEL, GPIO_LEVEL_LOW); dev_info(info->dev, "%s: MODEM %d\n", __func__, gpio_get_value(GPIO_USB_SEL)); #endif dev_info(info->dev, "%s: CP_USB_MODE\n", __func__); #if defined(CONFIG_SWITCH_DUAL_MODEM) } else if (!strncasecmp(buf, "ESC", 3)) { info->muic_data->sw_path = CP_ESC_USB_MODE; gpio_set_value(GPIO_USB_SEL, GPIO_LEVEL_HIGH); dev_info(info->dev, "%s: ESC %d\n", __func__, gpio_get_value(GPIO_USB_SEL)); #endif } else dev_warn(info->dev, "%s: Wrong command\n", __func__); return count; } static ssize_t max77693_muic_show_adc(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); int ret; u8 val; ret = max77693_read_reg(info->muic, MAX77693_MUIC_REG_STATUS1, &val); dev_info(info->dev, "func:%s ret:%d val:%x\n", __func__, ret, val); if (ret) { dev_err(info->dev, "%s: fail to read muic reg\n", __func__); return sprintf(buf, "UNKNOWN\n"); } return sprintf(buf, "%x\n", (val & STATUS1_ADC_MASK)); } static ssize_t max77693_muic_show_audio_path(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); int ret; u8 val; ret = max77693_read_reg(info->muic, MAX77693_MUIC_REG_CTRL1, &val); dev_info(info->dev, "func:%s ret:%d val:%x\n", __func__, ret, val); if (ret) { dev_err(info->dev, "%s: fail to read muic reg\n", __func__); return sprintf(buf, "UNKNOWN\n"); } return sprintf(buf, "%x\n", val); } static ssize_t max77693_muic_set_audio_path(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); struct i2c_client *client = info->muic; u8 cntl1_val, cntl1_msk; u8 val; dev_info(info->dev, "func:%s buf:%s\n", __func__, buf); if (!strncmp(buf, "0", 1)) val = MAX77693_MUIC_CTRL1_BIN_0_000; else if (!strncmp(buf, "1", 1)) val = MAX77693_MUIC_CTRL1_BIN_2_010; else { dev_warn(info->dev, "%s: Wrong command\n", __func__); return count; } cntl1_val = (val << COMN1SW_SHIFT) | (val << COMP2SW_SHIFT) | (0 << MICEN_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK | MICEN_MASK; max77693_update_reg(client, MAX77693_MUIC_REG_CTRL1, cntl1_val, cntl1_msk); dev_info(info->dev, "MUIC cntl1_val:%x, cntl1_msk:%x\n", cntl1_val, cntl1_msk); cntl1_val = MAX77693_MUIC_CTRL1_BIN_0_000; max77693_read_reg(client, MAX77693_MUIC_REG_CTRL1, &cntl1_val); dev_info(info->dev, "%s: CNTL1(0x%02x)\n", __func__, cntl1_val); return count; } static ssize_t max77693_muic_show_otg_test(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); int ret; u8 val; ret = max77693_read_reg(info->muic, MAX77693_MUIC_REG_CDETCTRL1, &val); dev_info(info->dev, "func:%s ret:%d val:%x buf%s\n", __func__, ret, val, buf); if (ret) { dev_err(info->dev, "%s: fail to read muic reg\n", __func__); return sprintf(buf, "UNKNOWN\n"); } val &= CHGDETEN_MASK; return sprintf(buf, "%x\n", val); } static ssize_t max77693_muic_set_otg_test(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); struct i2c_client *client = info->muic; u8 val; dev_info(info->dev, "func:%s buf:%s\n", __func__, buf); if (!strncmp(buf, "0", 1)) val = 0; else if (!strncmp(buf, "1", 1)) val = 1; else { dev_warn(info->dev, "%s: Wrong command\n", __func__); return count; } max77693_update_reg(client, MAX77693_MUIC_REG_CDETCTRL1, val << CHGDETEN_SHIFT, CHGDETEN_MASK); val = 0; max77693_read_reg(client, MAX77693_MUIC_REG_CDETCTRL1, &val); dev_info(info->dev, "%s: CDETCTRL(0x%02x)\n", __func__, val); return count; } static void max77693_muic_set_adcdbset(struct max77693_muic_info *info, int value) { int ret; u8 val; dev_info(info->dev, "func:%s value:%x\n", __func__, value); if (value > 3) { dev_err(info->dev, "%s: invalid value(%x)\n", __func__, value); return; } if (!info->muic) { dev_err(info->dev, "%s: no muic i2c client\n", __func__); return; } val = value << CTRL3_ADCDBSET_SHIFT; dev_info(info->dev, "%s: ADCDBSET(0x%02x)\n", __func__, val); ret = max77693_update_reg(info->muic, MAX77693_MUIC_REG_CTRL3, val, CTRL3_ADCDBSET_MASK); if (ret < 0) dev_err(info->dev, "%s: fail to update reg\n", __func__); } static ssize_t max77693_muic_show_adc_debounce_time(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); int ret; u8 val; dev_info(info->dev, "func:%s buf:%s\n", __func__, buf); if (!info->muic) return sprintf(buf, "No I2C client\n"); ret = max77693_read_reg(info->muic, MAX77693_MUIC_REG_CTRL3, &val); if (ret) { dev_err(info->dev, "%s: fail to read muic reg\n", __func__); return sprintf(buf, "UNKNOWN\n"); } val &= CTRL3_ADCDBSET_MASK; val = val >> CTRL3_ADCDBSET_SHIFT; dev_info(info->dev, "func:%s val:%x\n", __func__, val); return sprintf(buf, "%x\n", val); } static ssize_t max77693_muic_set_adc_debounce_time(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); int value; sscanf(buf, "%d", &value); value = (value & 0x3); dev_info(info->dev, "%s: Do nothing\n", __func__); return count; } static ssize_t max77693_muic_set_uart_sel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); if (info->max77693->pmic_rev < MAX77693_REV_PASS2) { #if !defined(CONFIG_MACH_T0) && !defined(CONFIG_MACH_M3) \ && !defined(CONFIG_MACH_SLP_T0_LTE) && !defined(CONFIG_MACH_KONA) if (!strncasecmp(buf, "AP", 2)) { info->muic_data->uart_path = UART_PATH_AP; if (gpio_is_valid(GPIO_UART_SEL)) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_HIGH); dev_info(info->dev, "%s: UART_PATH_AP\n" , __func__); } else { dev_err(info->dev, "%s: Change(AP) fail!!" , __func__); } } else if (!strncasecmp(buf, "CP", 2)) { info->muic_data->uart_path = UART_PATH_CP; if (gpio_is_valid(GPIO_UART_SEL) #ifdef CONFIG_LTE_VIA_SWITCH && gpio_is_valid(GPIO_LTE_VIA_UART_SEL) #endif ) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_LOW); #ifdef CONFIG_LTE_VIA_SWITCH gpio_set_value(GPIO_LTE_VIA_UART_SEL , GPIO_LEVEL_HIGH); #endif dev_info(info->dev, "%s: UART_PATH_CP\n" , __func__); } else { dev_err(info->dev, "%s: Change(CP) fail!!" , __func__); } } #ifdef CONFIG_LTE_VIA_SWITCH else if (!strncasecmp(buf, "LTE", 3)) { info->muic_data->uart_path = UART_PATH_LTE; if (gpio_is_valid(GPIO_UART_SEL) && gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_LOW); gpio_set_value(GPIO_LTE_VIA_UART_SEL , GPIO_LEVEL_LOW); dev_info(info->dev, "%s: UART_PATH_LTE\n" , __func__); } else { dev_err(info->dev, "%s: Change(LTE) fail!!" , __func__); } } #endif else dev_warn(info->dev, "%s: Wrong command\n", __func__); #endif /* !defined(CONFIG_MACH_T0) */ } else if (info->max77693->pmic_rev >= MAX77693_REV_PASS2) { if (!strncasecmp(buf, "AP", 2)) { int ret = max77693_muic_set_uart_path_pass2 (info, UART_PATH_AP); if (ret >= 0) info->muic_data->uart_path = UART_PATH_AP; else dev_err(info->dev, "%s: Change(AP) fail!!" , __func__); } else if (!strncasecmp(buf, "CP", 2)) { int ret = max77693_muic_set_uart_path_pass2 (info, UART_PATH_CP); if (ret >= 0) info->muic_data->uart_path = UART_PATH_CP; else dev_err(info->dev, "%s: Change(CP) fail!!" , __func__); #if defined(CONFIG_SWITCH_DUAL_MODEM) if (gpio_is_valid(GPIO_UART_SEL)) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_LOW); dev_info(info->dev, "%s: CP %d\n", __func__, gpio_get_value(GPIO_UART_SEL)); } else { dev_err(info->dev, "%s: Change GPIO failed", __func__); } #endif } #ifdef CONFIG_LTE_VIA_SWITCH else if (!strncasecmp(buf, "LTE", 3)) { int ret = max77693_muic_set_uart_path_pass2 (info, UART_PATH_LTE); if (ret >= 0) info->muic_data->uart_path = UART_PATH_LTE; else dev_err(info->dev, "%s: Change(LTE) fail!!" , __func__); } #endif #if defined(CONFIG_SWITCH_DUAL_MODEM) else if (!strncasecmp(buf, "ESC", 3)) { int ret = max77693_muic_set_uart_path_pass2 (info, UART_PATH_CP); if (ret >= 0) info->muic_data->uart_path = UART_PATH_CP; else dev_err(info->dev, "%s: Change(CP_ESC) fail!!" , __func__); if (gpio_is_valid(GPIO_UART_SEL)) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_HIGH); info->muic_data->uart_path = UART_PATH_CP_ESC; dev_info(info->dev, "%s: ESC %d\n", __func__, gpio_get_value(GPIO_UART_SEL)); } else { dev_err(info->dev, "%s: Change GPIO failed", __func__); } } #endif else { dev_warn(info->dev, "%s: Wrong command\n" , __func__); } } return count; } static ssize_t max77693_muic_show_uart_sel(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); if (info->max77693->pmic_rev < MAX77693_REV_PASS2) { #if !defined(CONFIG_MACH_T0) && !defined(CONFIG_MACH_M3) \ && !defined(CONFIG_MACH_SLP_T0_LTE) && !defined(CONFIG_MACH_KONA) switch (info->muic_data->uart_path) { case UART_PATH_AP: if (gpio_get_value(GPIO_UART_SEL) == GPIO_LEVEL_HIGH) return sprintf(buf, "AP\n"); else return sprintf(buf, "ERR_AP\n"); break; case UART_PATH_CP: if (gpio_get_value(GPIO_UART_SEL) == GPIO_LEVEL_LOW #ifdef CONFIG_LTE_VIA_SWITCH && gpio_get_value(GPIO_LTE_VIA_UART_SEL) == GPIO_LEVEL_HIGH #endif ) { return sprintf(buf, "CP\n"); } else { return sprintf(buf, "ERR_CP\n"); } break; #ifdef CONFIG_LTE_VIA_SWITCH case UART_PATH_LTE: if (gpio_get_value(GPIO_UART_SEL) == GPIO_LEVEL_LOW && gpio_get_value(GPIO_LTE_VIA_UART_SEL) == GPIO_LEVEL_LOW) { return sprintf(buf, "LTE\n"); } else { return sprintf(buf, "ERR_LTE\n"); } break; #endif default: break; } #endif /* !defined(CONFIG_MACH_T0) */ } else if (info->max77693->pmic_rev >= MAX77693_REV_PASS2) { switch (info->muic_data->uart_path) { case UART_PATH_AP: return sprintf(buf, "AP\n"); break; case UART_PATH_CP: return sprintf(buf, "CP\n"); break; #ifdef CONFIG_LTE_VIA_SWITCH case UART_PATH_LTE: return sprintf(buf, "LTE\n"); break; #endif #if defined(CONFIG_SWITCH_DUAL_MODEM) case UART_PATH_CP_ESC: return sprintf(buf, "ESC\n"); break; #endif default: break; } } return sprintf(buf, "UNKNOWN\n"); } #if defined(CONFIG_MACH_GC1) static ssize_t max77693_muic_show_otg_block(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); const char *mode; /* "BLOCK": blocked(true), "ALLOW": allowed(false) */ if (info->is_otg_attach_blocked) { pr_info("%s:%s otg attach=blocked\n", DEV_NAME, __func__); mode = "BLOCK"; } else { pr_info("%s:%s otg attach=allowed\n", DEV_NAME, __func__); mode = "ALLOW"; } return sprintf(buf, "%s\n", mode); } static ssize_t max77693_muic_set_otg_block(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); const char *mode; pr_info("%s:%s buf:%s\n", DEV_NAME, __func__, buf); /* "BLOCK": blocked(true), "ALLOW": allowed(false) */ if (!strncmp(buf, "BLOCK", 5)) { info->is_otg_attach_blocked = true; mode = "BLOCK"; } else if (!strncmp(buf, "ALLOW", 5)) { info->is_otg_attach_blocked = false; mode = "ALLOW"; } else { dev_warn(info->dev, "%s: Wrong command\n", __func__); return count; } pr_info("%s:%s otg attach=%s\n", DEV_NAME, __func__, mode); return count; } #endif /* CONFIG_MACH_GC1 */ #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) static ssize_t max77693_muic_show_apo_factory(struct device *dev, struct device_attribute *attr, char *buf) { struct max77693_muic_info *info = dev_get_drvdata(dev); const char *mode; /* true: Factory mode, false: not Factory mode */ if (info->is_factory_start) mode = "FACTORY_MODE"; else mode = "NOT_FACTORY_MODE"; pr_info("%s:%s apo factory=%s\n", DEV_NAME, __func__, mode); return sprintf(buf, "%s\n", mode); } static ssize_t max77693_muic_set_apo_factory(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); const char *mode; pr_info("%s:%s buf:%s\n", DEV_NAME, __func__, buf); /* "FACTORY_START": factory mode */ if (!strncmp(buf, "FACTORY_START", 13)) { info->is_factory_start = true; mode = "FACTORY_MODE"; } else { pr_warn("%s:%s Wrong command\n", DEV_NAME, __func__); return count; } pr_info("%s:%s apo factory=%s\n", DEV_NAME, __func__, mode); return count; } #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ #ifdef CONFIG_LTE_VIA_SWITCH static ssize_t max77693_muic_show_check_cpboot(struct device *dev, struct device_attribute *attr, char *buf) { if (cpbooting) return sprintf(buf, "start\n"); else return sprintf(buf, "done\n"); } static ssize_t max77693_muic_set_check_cpboot(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct max77693_muic_info *info = dev_get_drvdata(dev); if (!strncasecmp(buf, "start", 5)) { if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { dev_info(info->dev, "%s: Fix CP-UART path to LTE during CP Booting", __func__); gpio_set_value(GPIO_LTE_VIA_UART_SEL, GPIO_LEVEL_LOW); } else { dev_err(info->dev, "%s: ERR_LTE_GPIO_SET_LOW\n", __func__); return -EINVAL; } cpbooting = 1; } else if (!strncasecmp(buf, "done", 4)) { if (info->muic_data->uart_path == UART_PATH_CP) { if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { dev_info(info->dev, "%s: Reroute CP-UART path to VIA after CP Booting", __func__); gpio_set_value(GPIO_LTE_VIA_UART_SEL, GPIO_LEVEL_HIGH); } else { dev_err(info->dev, "%s: ERR_LTE_GPIO_SET_HIGH\n", __func__); return -EINVAL; } } cpbooting = 0; } else { dev_warn(info->dev, "%s: Wrong command : %s\n", __func__, buf); } return count; } #endif static DEVICE_ATTR(uart_sel, 0664, max77693_muic_show_uart_sel, max77693_muic_set_uart_sel); static DEVICE_ATTR(usb_state, S_IRUGO, max77693_muic_show_usb_state, NULL); static DEVICE_ATTR(device, S_IRUGO, max77693_muic_show_device, NULL); static DEVICE_ATTR(usb_sel, 0664, max77693_muic_show_manualsw, max77693_muic_set_manualsw); static DEVICE_ATTR(adc, S_IRUGO, max77693_muic_show_adc, NULL); static DEVICE_ATTR(audio_path, 0664, max77693_muic_show_audio_path, max77693_muic_set_audio_path); static DEVICE_ATTR(otg_test, 0664, max77693_muic_show_otg_test, max77693_muic_set_otg_test); static DEVICE_ATTR(adc_debounce_time, 0664, max77693_muic_show_adc_debounce_time, max77693_muic_set_adc_debounce_time); #if defined(CONFIG_MACH_GC1) static DEVICE_ATTR(otg_block, 0664, max77693_muic_show_otg_block, max77693_muic_set_otg_block); #endif /* CONFIG_MACH_GC1 */ #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) static DEVICE_ATTR(apo_factory, 0664, max77693_muic_show_apo_factory, max77693_muic_set_apo_factory); #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ #ifdef CONFIG_LTE_VIA_SWITCH static DEVICE_ATTR(check_cpboot, 0664, max77693_muic_show_check_cpboot, max77693_muic_set_check_cpboot); #endif static struct attribute *max77693_muic_attributes[] = { &dev_attr_uart_sel.attr, &dev_attr_usb_state.attr, &dev_attr_device.attr, &dev_attr_usb_sel.attr, &dev_attr_adc.attr, &dev_attr_audio_path.attr, &dev_attr_otg_test.attr, &dev_attr_adc_debounce_time.attr, #if defined(CONFIG_MACH_GC1) &dev_attr_otg_block.attr, #endif /* CONFIG_MACH_GC1 */ #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) &dev_attr_apo_factory.attr, #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ #ifdef CONFIG_LTE_VIA_SWITCH &dev_attr_check_cpboot.attr, #endif NULL }; static const struct attribute_group max77693_muic_group = { .attrs = max77693_muic_attributes, }; #if defined(CONFIG_MACH_M0_CTC) || defined(CONFIG_MACH_T0_CHN_CTC) /*0 : usb is not conneted to CP 1 : usb is connected to CP */ int cp_usb_state; int max7693_muic_cp_usb_state(void) { return cp_usb_state; } EXPORT_SYMBOL(max7693_muic_cp_usb_state); #endif static int max77693_muic_set_usb_path(struct max77693_muic_info *info, int path) { struct i2c_client *client = info->muic; struct max77693_muic_data *mdata = info->muic_data; int ret; int gpio_val; u8 cntl1_val, cntl1_msk; int val; dev_info(info->dev, "func:%s path:%d\n", __func__, path); if (mdata->set_safeout) { ret = mdata->set_safeout(path); if (ret) { dev_err(info->dev, "%s: fail to set safout!\n", __func__); return ret; } } switch (path) { case AP_USB_MODE: dev_info(info->dev, "%s: AP_USB_MODE\n", __func__); gpio_val = 0; val = MAX77693_MUIC_CTRL1_BIN_1_001; cntl1_val = (val << COMN1SW_SHIFT) | (val << COMP2SW_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK; break; case CP_USB_MODE: dev_info(info->dev, "%s: CP_USB_MODE\n", __func__); gpio_val = 1; if (info->max77693->pmic_rev >= MAX77693_REV_PASS2) val = MAX77693_MUIC_CTRL1_BIN_4_100; else val = MAX77693_MUIC_CTRL1_BIN_3_011; cntl1_val = (val << COMN1SW_SHIFT) | (val << COMP2SW_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK; break; case AUDIO_MODE: dev_info(info->dev, "%s: AUDIO_MODE\n", __func__); gpio_val = 0; /* SL1, SR2 */ cntl1_val = (MAX77693_MUIC_CTRL1_BIN_2_010 << COMN1SW_SHIFT) | (MAX77693_MUIC_CTRL1_BIN_2_010 << COMP2SW_SHIFT) | (0 << MICEN_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK | MICEN_MASK; break; case OPEN_USB_MODE: dev_info(info->dev, "%s: OPEN_USB_MODE\n", __func__); gpio_val = 0; val = MAX77693_MUIC_CTRL1_BIN_0_000; cntl1_val = (val << COMN1SW_SHIFT) | (val << COMP2SW_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK; break; default: dev_warn(info->dev, "%s: invalid path(%d)\n", __func__, path); return -EINVAL; } if (info->max77693->pmic_rev < MAX77693_REV_PASS2) { if (gpio_is_valid(info->muic_data->gpio_usb_sel)) gpio_direction_output(mdata->gpio_usb_sel, gpio_val); } dev_info(info->dev, "%s: Set manual path\n", __func__); #if defined(CONFIG_SND_USE_MUIC_SWITCH) if (info->cable_type != CABLE_TYPE_CARDOCK_MUIC && info->cable_type != CABLE_TYPE_DESKDOCK_MUIC) #endif max77693_update_reg(client, MAX77693_MUIC_REG_CTRL1, cntl1_val, cntl1_msk); max77693_update_reg(client, MAX77693_MUIC_REG_CTRL2, CTRL2_CPEn1_LOWPWD0, CTRL2_CPEn_MASK | CTRL2_LOWPWD_MASK); cntl1_val = MAX77693_MUIC_CTRL1_BIN_0_000; max77693_read_reg(client, MAX77693_MUIC_REG_CTRL1, &cntl1_val); dev_info(info->dev, "%s: CNTL1(0x%02x)\n", __func__, cntl1_val); cntl1_val = MAX77693_MUIC_CTRL1_BIN_0_000; max77693_read_reg(client, MAX77693_MUIC_REG_CTRL2, &cntl1_val); dev_info(info->dev, "%s: CNTL2(0x%02x)\n", __func__, cntl1_val); sysfs_notify(&switch_dev->kobj, NULL, "usb_sel"); return 0; } int max77693_muic_get_charging_type(void) { return gInfo->cable_type; } static int max77693_muic_set_charging_type(struct max77693_muic_info *info, bool force_disable) { struct max77693_muic_data *mdata = info->muic_data; int ret = 0; dev_info(info->dev, "func:%s force_disable:%d\n", __func__, force_disable); if (mdata->charger_cb) { if (force_disable) ret = mdata->charger_cb(CABLE_TYPE_NONE_MUIC); else ret = mdata->charger_cb(info->cable_type); } if (ret) { dev_err(info->dev, "%s: error from charger_cb(%d)\n", __func__, ret); return ret; } return 0; } static int max77693_muic_handle_dock_vol_key(struct max77693_muic_info *info, u8 status1) { struct input_dev *input = info->input; int pre_key = info->previous_key; unsigned int code; int state; u8 adc; adc = status1 & STATUS1_ADC_MASK; dev_info(info->dev, "func:%s status1:%x adc:%x cable_type:%d\n", __func__, status1, adc, info->cable_type); if (info->cable_type != CABLE_TYPE_DESKDOCK_MUIC) return 0; if (adc == ADC_OPEN) { switch (pre_key) { case DOCK_KEY_VOL_UP_PRESSED: code = KEY_VOLUMEUP; state = 0; info->previous_key = DOCK_KEY_VOL_UP_RELEASED; break; case DOCK_KEY_VOL_DOWN_PRESSED: code = KEY_VOLUMEDOWN; state = 0; info->previous_key = DOCK_KEY_VOL_DOWN_RELEASED; break; case DOCK_KEY_PREV_PRESSED: code = KEY_PREVIOUSSONG; state = 0; info->previous_key = DOCK_KEY_PREV_RELEASED; break; case DOCK_KEY_PLAY_PAUSE_PRESSED: code = KEY_PLAYPAUSE; state = 0; info->previous_key = DOCK_KEY_PLAY_PAUSE_RELEASED; break; case DOCK_KEY_NEXT_PRESSED: code = KEY_NEXTSONG; state = 0; info->previous_key = DOCK_KEY_NEXT_RELEASED; break; default: return 0; } input_event(input, EV_KEY, code, state); input_sync(input); return 0; } if (pre_key == DOCK_KEY_NONE) { /* if (adc != ADC_DOCK_VOL_UP && adc != ADC_DOCK_VOL_DN && \ adc != ADC_DOCK_PREV_KEY && adc != ADC_DOCK_PLAY_PAUSE_KEY \ && adc != ADC_DOCK_NEXT_KEY) */ if ((adc < 0x03) || (adc > 0x0d)) return 0; } dev_info(info->dev, "%s: dock vol key(%d)\n", __func__, pre_key); switch (adc) { case ADC_DOCK_VOL_UP: code = KEY_VOLUMEUP; state = 1; info->previous_key = DOCK_KEY_VOL_UP_PRESSED; break; case ADC_DOCK_VOL_DN: code = KEY_VOLUMEDOWN; state = 1; info->previous_key = DOCK_KEY_VOL_DOWN_PRESSED; break; case ADC_DOCK_PREV_KEY-1 ... ADC_DOCK_PREV_KEY+1: code = KEY_PREVIOUSSONG; state = 1; info->previous_key = DOCK_KEY_PREV_PRESSED; break; case ADC_DOCK_PLAY_PAUSE_KEY-1 ... ADC_DOCK_PLAY_PAUSE_KEY+1: code = KEY_PLAYPAUSE; state = 1; info->previous_key = DOCK_KEY_PLAY_PAUSE_PRESSED; break; case ADC_DOCK_NEXT_KEY-1 ... ADC_DOCK_NEXT_KEY+1: code = KEY_NEXTSONG; state = 1; info->previous_key = DOCK_KEY_NEXT_PRESSED; break; case ADC_DESKDOCK: /* key release routine */ if (pre_key == DOCK_KEY_VOL_UP_PRESSED) { code = KEY_VOLUMEUP; state = 0; info->previous_key = DOCK_KEY_VOL_UP_RELEASED; } else if (pre_key == DOCK_KEY_VOL_DOWN_PRESSED) { code = KEY_VOLUMEDOWN; state = 0; info->previous_key = DOCK_KEY_VOL_DOWN_RELEASED; } else if (pre_key == DOCK_KEY_PREV_PRESSED) { code = KEY_PREVIOUSSONG; state = 0; info->previous_key = DOCK_KEY_PREV_RELEASED; } else if (pre_key == DOCK_KEY_PLAY_PAUSE_PRESSED) { code = KEY_PLAYPAUSE; state = 0; info->previous_key = DOCK_KEY_PLAY_PAUSE_RELEASED; } else if (pre_key == DOCK_KEY_NEXT_PRESSED) { code = KEY_NEXTSONG; state = 0; info->previous_key = DOCK_KEY_NEXT_RELEASED; } else { dev_warn(info->dev, "%s:%d should not reach here\n", __func__, __LINE__); return 0; } break; default: dev_warn(info->dev, "%s: unsupported ADC(0x%02x)\n", __func__, adc); return 0; } input_event(input, EV_KEY, code, state); input_sync(input); return 1; } static int max77693_muic_attach_usb_type(struct max77693_muic_info *info, int adc) { struct max77693_muic_data *mdata = info->muic_data; int ret, path; dev_info(info->dev, "func:%s adc:%x cable_type:%d\n", __func__, adc, info->cable_type); if (info->cable_type == CABLE_TYPE_MHL_MUIC || info->cable_type == CABLE_TYPE_MHL_VB_MUIC) { dev_warn(info->dev, "%s: mHL was attached!\n", __func__); return 0; } switch (adc) { case ADC_JIG_USB_OFF: if (info->cable_type == CABLE_TYPE_JIG_USB_OFF_MUIC) { dev_info(info->dev, "%s: duplicated(JIG USB OFF)\n", __func__); return 0; } dev_info(info->dev, "%s:JIG USB BOOTOFF\n", __func__); info->cable_type = CABLE_TYPE_JIG_USB_OFF_MUIC; path = AP_USB_MODE; break; case ADC_JIG_USB_ON: if (info->cable_type == CABLE_TYPE_JIG_USB_ON_MUIC) { dev_info(info->dev, "%s: duplicated(JIG USB ON)\n", __func__); return 0; } dev_info(info->dev, "%s:JIG USB BOOTON\n", __func__); info->cable_type = CABLE_TYPE_JIG_USB_ON_MUIC; path = AP_USB_MODE; break; case ADC_OPEN: if (info->cable_type == CABLE_TYPE_USB_MUIC) { dev_info(info->dev, "%s: duplicated(USB)\n", __func__); return 0; } dev_info(info->dev, "%s:USB\n", __func__); info->cable_type = CABLE_TYPE_USB_MUIC; path = AP_USB_MODE; break; default: dev_info(info->dev, "%s: Unkown cable(0x%x)\n", __func__, adc); return 0; } ret = max77693_muic_set_charging_type(info, false); if (ret) { info->cable_type = CABLE_TYPE_NONE_MUIC; return ret; } #if defined(CONFIG_SWITCH_DUAL_MODEM) if (mdata->sw_path == CP_USB_MODE || mdata->sw_path == CP_ESC_USB_MODE) { #else if (mdata->sw_path == CP_USB_MODE) { #endif info->cable_type = CABLE_TYPE_USB_MUIC; #if defined(CONFIG_MACH_M0_CTC) || defined(CONFIG_MACH_T0_CHN_CTC) if (system_rev < 11) { gpio_direction_output(GPIO_USB_BOOT_EN, 1); } else if (system_rev == 11) { gpio_direction_output(GPIO_USB_BOOT_EN, 1); gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 1); } else { gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 1); } cp_usb_state = 1; #endif #if defined(CONFIG_SWITCH_DUAL_MODEM) if (mdata->sw_path == CP_USB_MODE) { gpio_set_value(GPIO_USB_SEL, GPIO_LEVEL_LOW); #if defined(CONFIG_MACH_T0_CHN_CMCC) gpio_direction_output(GPIO_CP_USB_ON, 1); #endif } else { gpio_set_value(GPIO_USB_SEL, GPIO_LEVEL_HIGH); } #endif max77693_muic_set_usb_path(info, CP_USB_MODE); return 0; } max77693_muic_set_usb_path(info, path); if (path == AP_USB_MODE) { if (mdata->usb_cb && info->is_usb_ready) #ifdef CONFIG_USBHUB_USB3803 /* setting usb hub in Diagnostic(hub) mode */ usb3803_set_mode(USB_3803_MODE_HUB); #endif /* CONFIG_USBHUB_USB3803 */ mdata->usb_cb(USB_CABLE_ATTACHED); } return 0; } static int max77693_muic_attach_dock_type(struct max77693_muic_info *info, int adc) { struct max77693_muic_data *mdata = info->muic_data; int path; dev_info(info->dev, "func:%s adc:%x, open(%d)\n", __func__, adc, info->is_adc_open_prev); /*Workaround for unstable adc*/ if (info->is_adc_open_prev == false) { return 0; } switch (adc) { case ADC_DESKDOCK: /* Desk Dock */ if (info->cable_type == CABLE_TYPE_DESKDOCK_MUIC) { dev_info(info->dev, "%s: duplicated(DeskDock)\n", __func__); return 0; } dev_info(info->dev, "%s:DeskDock\n", __func__); info->cable_type = CABLE_TYPE_DESKDOCK_MUIC; path = AUDIO_MODE; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DESKDOCK); break; case ADC_CARDOCK: /* Car Dock */ if (info->cable_type == CABLE_TYPE_CARDOCK_MUIC) { dev_info(info->dev, "%s: duplicated(CarDock)\n", __func__); return 0; } dev_info(info->dev, "%s:CarDock\n", __func__); info->cable_type = CABLE_TYPE_CARDOCK_MUIC; path = AUDIO_MODE; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_CARDOCK); break; #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) case ADC_SMARTDOCK: if (info->cable_type == CABLE_TYPE_SMARTDOCK_MUIC) { dev_info(info->dev, "%s: duplicated(SmartDock)\n", __func__); return 0; } dev_info(info->dev, "%s:SmartDock\n", __func__); info->cable_type = CABLE_TYPE_SMARTDOCK_MUIC; if (info->is_usb_ready) { pr_info("%s:%s usb is ready, D+,D- line(AP_USB)\n", DEV_NAME, __func__); path = AP_USB_MODE; } else { pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n", DEV_NAME, __func__); path = OPEN_USB_MODE; } max77693_muic_set_charging_type(info, false); msleep(40); #ifdef CONFIG_EXTCON if (info->edev && info->is_mhl_ready) extcon_set_cable_state(info->edev, "MHL", true); #else if (mdata->mhl_cb && info->is_mhl_ready) mdata->mhl_cb(MAX77693_MUIC_ATTACHED); #endif if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_SMARTDOCK); break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) case ADC_AUDIODOCK: if (info->cable_type == CABLE_TYPE_AUDIODOCK_MUIC) { pr_info("%s:%s duplicated(AudioDock)\n", DEV_NAME, __func__); return 0; } pr_info("%s:%s AudioDock\n", DEV_NAME, __func__); info->cable_type = CABLE_TYPE_AUDIODOCK_MUIC; if (info->is_usb_ready) { pr_info("%s:%s usb is ready, D+,D- line(AP_USB)\n", DEV_NAME, __func__); path = AP_USB_MODE; } else { pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n", DEV_NAME, __func__); path = OPEN_USB_MODE; } max77693_muic_set_charging_type(info, false); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_POWERED_HOST_ATTACHED); if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_AUDIODOCK); break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ default: dev_info(info->dev, "%s: should not reach here(0x%x)\n", __func__, adc); return 0; } max77693_muic_set_usb_path(info, path); return 0; } #if !defined(CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT) static void max77693_muic_attach_mhl(struct max77693_muic_info *info, u8 chgtyp) { struct max77693_muic_data *mdata = info->muic_data; dev_info(info->dev, "func:%s chgtyp:%x\n", __func__, chgtyp); if (info->cable_type == CABLE_TYPE_USB_MUIC) { if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_CABLE_DETACHED); max77693_muic_set_charging_type(info, true); } #if 0 if (info->cable_type == CABLE_TYPE_MHL) { dev_info(info->dev, "%s: duplicated(MHL)\n", __func__); return; } #endif info->cable_type = CABLE_TYPE_MHL_MUIC; #ifdef CONFIG_EXTCON if (info->edev && info->is_mhl_ready) extcon_set_cable_state(info->edev, "MHL", true); #else if (mdata->mhl_cb && info->is_mhl_ready) mdata->mhl_cb(MAX77693_MUIC_ATTACHED); #endif if (chgtyp == CHGTYP_USB) { info->cable_type = CABLE_TYPE_MHL_VB_MUIC; max77693_muic_set_charging_type(info, false); } } #endif /* !CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT */ #if defined(CONFIG_MUIC_DET_JACK) static int max77693_muic_attach_earjack(struct max77693_muic_info *info, int adc) { struct max77693_muic_data *mdata = info->muic_data; if (info->cable_type == CABLE_TYPE_EARJACK_MUIC) { dev_info(info->dev, "%s: duplicated(EarJack)\n", __func__); return 0; } dev_info(info->dev, "%s:EarJack\n", __func__); info->cable_type = CABLE_TYPE_EARJACK_MUIC; if (mdata->earjack_cb) mdata->earjack_cb(MAX77693_MUIC_ATTACHED); max77693_muic_set_audio_path_pass2(info, 0); return 0; } static int max77693_muic_press_earjack_key(struct max77693_muic_info *info, int adc) { struct max77693_muic_data *mdata = info->muic_data; unsigned int code; if (info->earkeypressed) { switch (adc) { case ADC_MHL_OR_SENDEND: code = KEY_MEDIA; info->previous_earkey = KEY_MEDIA; break; case ADC_DOCK_VOL_UP: code = KEY_VOLUMEUP; info->previous_earkey = KEY_VOLUMEUP; break; case ADC_DOCK_VOL_DN: code = KEY_VOLUMEDOWN; info->previous_earkey = KEY_VOLUMEDOWN; break; default: dev_info(info->dev, "%s: should not reach here(0x%x)\n", __func__, adc); return 0; } } else code = info->previous_earkey; if (mdata->earjackkey_cb) mdata->earjackkey_cb(info->earkeypressed, code); return 0; } #endif static void max77693_muic_handle_jig_uart(struct max77693_muic_info *info, u8 vbvolt) { struct max77693_muic_data *mdata = info->muic_data; enum cable_type_muic prev_ct = info->cable_type; bool is_otgtest = false; u8 cntl1_val, cntl1_msk; u8 val = MAX77693_MUIC_CTRL1_BIN_3_011; int ret = 0; dev_info(info->dev, "func:%s vbvolt:%x cable_type:%d\n", __func__, vbvolt, info->cable_type); dev_info(info->dev, "%s: JIG UART/BOOTOFF(0x%x)\n", __func__, vbvolt); if (info->max77693->pmic_rev >= MAX77693_REV_PASS2) { if (info->muic_data->uart_path == UART_PATH_AP) { if (info->is_default_uart_path_cp) val = MAX77693_MUIC_CTRL1_BIN_5_101; else val = MAX77693_MUIC_CTRL1_BIN_3_011; } else if (info->muic_data->uart_path == UART_PATH_CP) { if (info->is_default_uart_path_cp) val = MAX77693_MUIC_CTRL1_BIN_3_011; else val = MAX77693_MUIC_CTRL1_BIN_5_101; #ifdef CONFIG_LTE_VIA_SWITCH dev_info(info->dev, "%s: cpbooting is %s\n", __func__, cpbooting ? "started. skip path set" : "done. set path"); if (!cpbooting) { if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { gpio_set_value(GPIO_LTE_VIA_UART_SEL, GPIO_LEVEL_HIGH); dev_info(info->dev, "%s: LTE_GPIO_LEVEL_HIGH" , __func__); } else { dev_err(info->dev, "%s: ERR_LTE_GPIO_SET_HIGH\n" , __func__); } } #endif #if defined(CONFIG_SWITCH_DUAL_MODEM) if (gpio_is_valid(GPIO_UART_SEL)) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_LOW); dev_info(info->dev, "%s: UART_SEL_GPIO_LEVEL_LOW", __func__); } else dev_err(info->dev, "%s: ERR_UART_SEL_GPIO_SET_HIGH\n" , __func__); #endif } #ifdef CONFIG_LTE_VIA_SWITCH else if (info->muic_data->uart_path == UART_PATH_LTE) { val = MAX77693_MUIC_CTRL1_BIN_5_101; /*TODO must modify H/W rev.5*/ if (gpio_is_valid(GPIO_LTE_VIA_UART_SEL)) { gpio_set_value(GPIO_LTE_VIA_UART_SEL, GPIO_LEVEL_LOW); dev_info(info->dev, "%s: LTE_GPIO_LEVEL_LOW\n" , __func__); } else dev_err(info->dev, "%s: ERR_LTE_GPIO_SET_LOW\n" , __func__); } #endif #if defined(CONFIG_SWITCH_DUAL_MODEM) else if (info->muic_data->uart_path == UART_PATH_CP_ESC) { val = MAX77693_MUIC_CTRL1_BIN_5_101; if (gpio_is_valid(GPIO_UART_SEL)) { gpio_set_value(GPIO_UART_SEL, GPIO_LEVEL_HIGH); dev_info(info->dev, "%s: UART_SEL_GPIO_LEVEL_HIGH", __func__); } else dev_err(info->dev, "%s: ERR_UART_SEL_GPIO_SET_LOW\n" , __func__); } #endif else val = MAX77693_MUIC_CTRL1_BIN_3_011; } else val = MAX77693_MUIC_CTRL1_BIN_3_011; cntl1_val = (val << COMN1SW_SHIFT) | (val << COMP2SW_SHIFT); cntl1_msk = COMN1SW_MASK | COMP2SW_MASK; ret = max77693_update_reg(info->muic, MAX77693_MUIC_REG_CTRL1, cntl1_val, cntl1_msk); dev_info(info->dev, "%s: CNTL1(0x%02x) ret: %d\n", __func__, cntl1_val, ret); max77693_update_reg(info->muic, MAX77693_MUIC_REG_CTRL2, CTRL2_CPEn1_LOWPWD0, CTRL2_CPEn_MASK | CTRL2_LOWPWD_MASK); if (vbvolt & STATUS2_VBVOLT_MASK) { if (mdata->host_notify_cb) { if (mdata->host_notify_cb(1) == NOTIFY_TEST_MODE) { is_otgtest = true; dev_info(info->dev, "%s: OTG TEST\n", __func__); } } info->cable_type = CABLE_TYPE_JIG_UART_OFF_VB_MUIC; max77693_muic_set_charging_type(info, is_otgtest); } else { info->cable_type = CABLE_TYPE_JIG_UART_OFF_MUIC; #if 0 if (mdata->uart_path == UART_PATH_CP && mdata->jig_uart_cb) mdata->jig_uart_cb(UART_PATH_CP); #endif if (prev_ct == CABLE_TYPE_JIG_UART_OFF_VB_MUIC) { max77693_muic_set_charging_type(info, false); if (mdata->host_notify_cb) mdata->host_notify_cb(0); } } } void max77693_otg_control(struct max77693_muic_info *info, int enable) { u8 int_mask, cdetctrl1, chg_cnfg_00; #ifdef CONFIG_MACH_GC1 u8 mu_adc = max77693_muic_get_status1_adc_value(); #endif pr_info("%s: enable(%d)\n", __func__, enable); if (enable) { /* disable charger interrupt */ max77693_read_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_INT_MASK, &int_mask); chg_int_state = int_mask; int_mask |= (1 << 4); /* disable chgin intr */ int_mask |= (1 << 6); /* disable chg */ #ifdef CONFIG_MACH_GC1 /* In Factory mode using anyway Jig to switch between * USB <--> UART sees a momentary 301K resistance as that of an * OTG. Disabling charging INTRS now can lead to USB and MTP * drivers not getting recognized in subsequent switches. * Factory Mode BOOT(on) USB. */ /* Wait for the signal debounce time adjustment for 10 ms*/ mdelay(10); if (mu_adc) { pr_info("%s: JIG USB CABLE adc(0x%x))\n", __func__, mu_adc); pr_info(" %s: Enabling charging INT"\ "for the Non-OTG casey.\n", __func__); int_mask &= ~(1 << 6); /* Enabling Chgin INTR.*/ } #endif int_mask &= ~(1 << 0); /* enable byp intr */ max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_INT_MASK, int_mask); /* disable charger detection */ max77693_read_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, &cdetctrl1); cdetctrl1 &= ~(1 << 0); #ifdef CONFIG_MACH_GC1 /* Factory Mode BOOT(on) USB */ if (mu_adc) { pr_info("%s: Enabling Charging Detn. for non-OTG\n", __func__); /*Enabling Charger Detn on Rising VB */ cdetctrl1 |= (1 << 0); } #endif max77693_write_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, cdetctrl1); /* OTG on, boost on, DIS_MUIC_CTRL=1 */ max77693_read_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_00, &chg_cnfg_00); chg_cnfg_00 &= ~(CHG_CNFG_00_CHG_MASK | CHG_CNFG_00_OTG_MASK | CHG_CNFG_00_BUCK_MASK | CHG_CNFG_00_BOOST_MASK | CHG_CNFG_00_DIS_MUIC_CTRL_MASK); chg_cnfg_00 |= (CHG_CNFG_00_OTG_MASK | CHG_CNFG_00_BOOST_MASK | CHG_CNFG_00_DIS_MUIC_CTRL_MASK); max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_00, chg_cnfg_00); } else { /* OTG off, boost off, (buck on), DIS_MUIC_CTRL = 0 unless CHG_ENA = 1 */ max77693_read_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_00, &chg_cnfg_00); chg_cnfg_00 &= ~(CHG_CNFG_00_OTG_MASK | CHG_CNFG_00_BOOST_MASK | CHG_CNFG_00_DIS_MUIC_CTRL_MASK); chg_cnfg_00 |= CHG_CNFG_00_BUCK_MASK; max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_00, chg_cnfg_00); mdelay(50); /* enable charger detection */ max77693_read_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, &cdetctrl1); cdetctrl1 |= (1 << 0); max77693_write_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, cdetctrl1); /* enable charger interrupt */ max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_INT_MASK, chg_int_state); max77693_read_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_INT_MASK, &int_mask); } pr_info("%s: INT_MASK(0x%x), CDETCTRL1(0x%x), CHG_CNFG_00(0x%x)\n", __func__, int_mask, cdetctrl1, chg_cnfg_00); } void max77693_powered_otg_control(struct max77693_muic_info *info, int enable) { pr_info("%s: enable(%d)\n", __func__, enable); if (enable) { /* OTG on, boost on */ max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_00, 0x05); max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_02, 0x0E); } else { /* OTG off, boost off, (buck on) */ max77693_write_reg(info->max77693->i2c, MAX77693_CHG_REG_CHG_CNFG_00, 0x04); } } /* use in mach for otg */ void otg_control(int enable) { pr_debug("%s: enable(%d)\n", __func__, enable); max77693_otg_control(gInfo, enable); } /* use in mach for powered-otg */ void powered_otg_control(int enable) { pr_debug("%s: enable(%d)\n", __func__, enable); max77693_powered_otg_control(gInfo, enable); } #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) static void max77693_muic_set_cddelay(struct max77693_muic_info *info) { u8 cdetctrl1; int ret = 0; ret = max77693_read_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, &cdetctrl1); pr_info("%s:%s read CDETCTRL1=0x%x, ret=%d\n", DEV_NAME, __func__, cdetctrl1, ret); if ((cdetctrl1 & 0x10) == 0x10) { pr_info("%s:%s CDDelay already setted, return\n", DEV_NAME, __func__); return; } cdetctrl1 |= 0x10; ret = max77693_write_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, cdetctrl1); pr_info("%s:%s write CDETCTRL1=0x%x, ret=%d\n", DEV_NAME, __func__, cdetctrl1, ret); } static void max77693_muic_clear_cddelay(struct max77693_muic_info *info) { u8 cdetctrl1; int ret = 0; ret = max77693_read_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, &cdetctrl1); pr_info("%s:%s read CDETCTRL1=0x%x, ret=%d\n", DEV_NAME, __func__, cdetctrl1, ret); if ((cdetctrl1 & 0x10) == 0x0) { pr_info("%s:%s CDDelay already cleared, return\n", DEV_NAME, __func__); return; } cdetctrl1 &= ~(0x10); ret = max77693_write_reg(info->max77693->muic, MAX77693_MUIC_REG_CDETCTRL1, cdetctrl1); pr_info("%s:%s write CDETCTRL1=0x%x, ret=%d\n", DEV_NAME, __func__, cdetctrl1, ret); } static void max77693_muic_detach_smart_dock(struct max77693_muic_info *info) { struct max77693_muic_data *mdata = info->muic_data; enum cable_type_muic tmp_cable_type = info->cable_type; pr_info("%s:%s\n", DEV_NAME, __func__); if (info->cable_type != CABLE_TYPE_SMARTDOCK_MUIC && info->cable_type != CABLE_TYPE_SMARTDOCK_TA_MUIC && info->cable_type != CABLE_TYPE_SMARTDOCK_USB_MUIC) { pr_info("%s:%s cable_type is not SMARTDOCK\n", DEV_NAME, __func__); return; } if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); #ifdef CONFIG_EXTCON if (info->edev && info->is_mhl_ready) extcon_set_cable_state(info->edev, "MHL", false); #else if (mdata->mhl_cb && info->is_mhl_ready) mdata->mhl_cb(MAX77693_MUIC_DETACHED); #endif switch (tmp_cable_type) { case CABLE_TYPE_SMARTDOCK_TA_MUIC: pr_info("%s:%s SMARTDOCK+TA\n", DEV_NAME, __func__); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_POWERED_HOST_DETACHED); break; case CABLE_TYPE_SMARTDOCK_USB_MUIC: pr_info("%s:%s SMARTDOCK+USB\n", DEV_NAME, __func__); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_CABLE_DETACHED); break; case CABLE_TYPE_SMARTDOCK_MUIC: /* clear CDDelay 500ms */ max77693_muic_clear_cddelay(info); pr_info("%s:%s SMARTDOCK\n", DEV_NAME, __func__); break; default: pr_warn("%s:%s should not reach here!\n", DEV_NAME, __func__); return; break; } } static void max77693_muic_attach_smart_dock(struct max77693_muic_info *info, u8 adc, u8 vbvolt, u8 chgtyp) { struct max77693_muic_data *mdata = info->muic_data; switch (info->cable_type) { case CABLE_TYPE_SMARTDOCK_MUIC: if (chgtyp == CHGTYP_DEDICATED_CHGR) { /* clear CDDelay 500ms */ max77693_muic_clear_cddelay(info); pr_info("%s:%s SMART_DOCK+TA=OTG Enable\n", DEV_NAME, __func__); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_POWERED_HOST_ATTACHED); info->cable_type = CABLE_TYPE_SMARTDOCK_TA_MUIC; } else if (chgtyp == CHGTYP_USB) { /* clear CDDelay 500ms */ max77693_muic_clear_cddelay(info); pr_info("%s:%s SMART_DOCK+USB=USB Enable\n", DEV_NAME, __func__); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_CABLE_ATTACHED); info->cable_type = CABLE_TYPE_SMARTDOCK_USB_MUIC; } else pr_info("%s:%s SMART_DOCK + [%d] = ?\n", DEV_NAME, __func__, chgtyp); break; case CABLE_TYPE_SMARTDOCK_TA_MUIC: if (chgtyp == CHGTYP_DEDICATED_CHGR) pr_info("%s:%s Duplicated(SMARTDOCK+TA)\n", DEV_NAME, __func__); else if (vbvolt) pr_info("%s:%s SMART_DOCK + TA -> chgtyp:%x\n", DEV_NAME, __func__, chgtyp); else max77693_muic_detach_smart_dock(info); break; case CABLE_TYPE_SMARTDOCK_USB_MUIC: if (chgtyp == CHGTYP_USB) pr_info("%s:%s Duplicated(SMARTDOCK+USB)\n", DEV_NAME, __func__); else if (vbvolt) pr_info("%s:%s SMART_DOCK + USB -> chgtyp:%x\n", DEV_NAME, __func__, chgtyp); else max77693_muic_detach_smart_dock(info); break; default: if (vbvolt) { pr_info("%s:%s SMART_DOCK+vbvolt=chgdetrun\n", DEV_NAME, __func__); max77693_muic_attach_dock_type(info, adc); if (chgtyp == CHGTYP_DEDICATED_CHGR || chgtyp == CHGTYP_USB) { pr_info("%s:%s SMART_DOCK+(TA or USB)="\ "Recursive call to attach oneshot\n", DEV_NAME, __func__); max77693_muic_attach_smart_dock(info, adc, vbvolt, chgtyp); } } else { /* set CDDelay 500ms */ max77693_muic_set_cddelay(info); dev_warn(info->dev, "no vbus in SAMRTDOCK\n"); } break; } } #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) static void max77693_muic_detach_audio_dock(struct max77693_muic_info *info) { struct max77693_muic_data *mdata = info->muic_data; pr_info("%s:%s AUDIODOCK\n", DEV_NAME, __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_POWERED_HOST_DETACHED); } #endif /* CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ static int max77693_muic_handle_attach(struct max77693_muic_info *info, u8 status1, u8 status2, int irq) { struct max77693_muic_data *mdata = info->muic_data; u8 adc, adclow, vbvolt, chgtyp, chgdetrun, adc1k, dxovp; int ret = 0; adc = status1 & STATUS1_ADC_MASK; adclow = status1 & STATUS1_ADCLOW_MASK; adc1k = status1 & STATUS1_ADC1K_MASK; chgtyp = status2 & STATUS2_CHGTYP_MASK; vbvolt = status2 & STATUS2_VBVOLT_MASK; chgdetrun = status2 & STATUS2_CHGDETRUN_MASK; dxovp = status2 & STATUS2_DXOVP_MASK; dev_info(info->dev, "func:%s st1:%x st2:%x cable_type:%d\n", __func__, status1, status2, info->cable_type); switch (info->cable_type) { case CABLE_TYPE_OTG_MUIC: if (!!adclow) { pr_warn("%s:%s assume OTG detach\n", DEV_NAME, __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_OTGHOST_DETACHED); } break; case CABLE_TYPE_JIG_UART_OFF_MUIC: case CABLE_TYPE_JIG_UART_OFF_VB_MUIC: /* Workaround for Factory mode. * Abandon adc interrupt of approximately +-100K range * if previous cable status was JIG UART BOOT OFF. */ if (adc == (ADC_JIG_UART_OFF + 1) || adc == (ADC_JIG_UART_OFF - 1)) { /* Workaround for factory mode in MUIC PASS2 * In uart path cp, adc is unstable state * MUIC PASS2 turn to AP_UART mode automatically * So, in this state set correct path manually. * !! NEEDED ONLY IF PMIC PASS2 !! */ if (info->muic_data->uart_path == UART_PATH_CP && info->max77693->pmic_rev >= MAX77693_REV_PASS2) max77693_muic_handle_jig_uart(info, vbvolt); #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) if (info->is_factory_start) { pr_info("%s:%s factory start, keep attach\n", DEV_NAME, __func__); break; } #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ dev_warn(info->dev, "%s: abandon ADC\n", __func__); return 0; } if (adc != ADC_JIG_UART_OFF) { dev_warn(info->dev, "%s: assume jig uart off detach\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; } break; case CABLE_TYPE_DESKDOCK_MUIC: if (adc != ADC_DESKDOCK) { dev_warn(info->dev, "%s: assume deskdock detach\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); info->is_adc_open_prev = false; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); } break; case CABLE_TYPE_CARDOCK_MUIC: if (adc != ADC_CARDOCK) { dev_warn(info->dev, "%s: assume cardock detach\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); info->is_adc_open_prev = false; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); } break; #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) case CABLE_TYPE_JIG_UART_ON_MUIC: if ((adc != ADC_JIG_UART_ON) && info->is_factory_start) { pr_warn("%s:%s assume jig uart on detach\n", DEV_NAME, __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); } break; #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) case CABLE_TYPE_SMARTDOCK_MUIC: case CABLE_TYPE_SMARTDOCK_TA_MUIC: case CABLE_TYPE_SMARTDOCK_USB_MUIC: if (adc != ADC_SMARTDOCK) { dev_warn(info->dev, "%s: assume smartdock detach\n", __func__); max77693_muic_detach_smart_dock(info); info->is_adc_open_prev = false; } break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) case CABLE_TYPE_AUDIODOCK_MUIC: if ((adc != ADC_AUDIODOCK) || (!vbvolt)) { dev_warn(info->dev, "%s: assume audiodock detach\n", __func__); max77693_muic_detach_audio_dock(info); } break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ default: break; } /* 1Kohm ID regiter detection (mHL) * Old MUIC : ADC value:0x00 or 0x01, ADCLow:1 * New MUIC : ADC value is not set(Open), ADCLow:1, ADCError:1 */ if (adc1k) { if (irq == info->irq_adc || irq == info->irq_chgtype || irq == info->irq_vbvolt) { dev_warn(info->dev, "%s: Ignore irq:%d at MHL detection\n", __func__, irq); if (vbvolt) { if (info->cable_type == CABLE_TYPE_MHL_MUIC && chgtyp == CHGTYP_USB) info->cable_type = CABLE_TYPE_MHL_VB_MUIC; dev_info(info->dev, "%s: call charger_cb(%d)" , __func__, vbvolt); max77693_muic_set_charging_type(info, false); } else { dev_info(info->dev, "%s: call charger_cb(%d)" , __func__, vbvolt); max77693_muic_set_charging_type(info, true); } return 0; } #if !defined(CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT) max77693_muic_attach_mhl(info, chgtyp); #endif return 0; } switch (adc) { case ADC_GND: if (chgtyp == CHGTYP_NO_VOLTAGE) { if (info->cable_type == CABLE_TYPE_OTG_MUIC) { dev_info(info->dev, "%s: duplicated(OTG)\n", __func__); break; } info->cable_type = CABLE_TYPE_OTG_MUIC; max77693_muic_set_usb_path(info, AP_USB_MODE); msleep(40); if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_OTGHOST_ATTACHED); } else if (chgtyp == CHGTYP_USB || chgtyp == CHGTYP_DOWNSTREAM_PORT || chgtyp == CHGTYP_DEDICATED_CHGR || chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A) { dev_info(info->dev, "%s: OTG charging pump\n", __func__); ret = max77693_muic_set_charging_type(info, false); } break; #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) case ADC_SMARTDOCK: max77693_muic_attach_smart_dock(info, adc, vbvolt, chgtyp); break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) case ADC_AUDIODOCK: if (!!vbvolt) max77693_muic_attach_dock_type(info, adc); break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ case ADC_JIG_UART_OFF: max77693_muic_handle_jig_uart(info, vbvolt); #if defined(CONFIG_MACH_T0_CHN_CMCC) gpio_set_value(GPIO_AP_TD_INT1, GPIO_LEVEL_HIGH); #endif mdata->jig_state(true); break; case ADC_JIG_USB_OFF: case ADC_JIG_USB_ON: if (vbvolt & STATUS2_VBVOLT_MASK) { dev_info(info->dev, "%s: SKIP_JIG_USB\n", __func__); ret = max77693_muic_attach_usb_type(info, adc); } #if defined(CONFIG_MACH_T0_CHN_CMCC) gpio_set_value(GPIO_AP_TD_INT1, GPIO_LEVEL_HIGH); #endif mdata->jig_state(true); break; case ADC_DESKDOCK: max77693_muic_attach_dock_type(info, adc); if (chgtyp == CHGTYP_USB || chgtyp == CHGTYP_DOWNSTREAM_PORT || chgtyp == CHGTYP_DEDICATED_CHGR || chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A) ret = max77693_muic_set_charging_type(info, false); else if (chgtyp == CHGTYP_NO_VOLTAGE && !chgdetrun) ret = max77693_muic_set_charging_type(info, !vbvolt); /* For MAX77693 IC doesn`t occur chgtyp IRQ * because of audio noise prevention. * So, If below condition is set, * we do charging at CARDOCK. */ break; /* ADC_CARDOCK == ADC_JIG_UART_ON */ case ADC_CARDOCK: #if defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) max77693_muic_attach_dock_type(info, adc); if (chgtyp == CHGTYP_USB || chgtyp == CHGTYP_DOWNSTREAM_PORT || chgtyp == CHGTYP_DEDICATED_CHGR || chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A) ret = max77693_muic_set_charging_type(info, false); else if (chgtyp == CHGTYP_NO_VOLTAGE && !chgdetrun) ret = max77693_muic_set_charging_type(info, !vbvolt); /* For MAX77693 IC doesn`t occur chgtyp IRQ * because of audio noise prevention. * So, If below condition is set, * we do charging at CARDOCK. */ #else /* because of change FACTORY CPOriented to APOriented, * at manufacture need AP wake-up method. write apo_factory * "FACTORY_START" is set is_factory_start true * and write apo_factory "FACTORY_END" is set * is_factory_start false. */ if (info->is_factory_start) { if (info->cable_type == CABLE_TYPE_JIG_UART_ON_MUIC) { pr_info("%s:%s duplicated(JIG_UART_ON)\n", DEV_NAME, __func__); return 0; } pr_info("%s:%s JIG_UART_ON\n", DEV_NAME, __func__); info->cable_type = CABLE_TYPE_JIG_UART_ON_MUIC; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DESKDOCK); return 0; } #endif /* CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ break; #if defined(CONFIG_MUIC_DET_JACK) case ADC_MHL_OR_SENDEND: case ADC_DOCK_VOL_UP: case ADC_DOCK_VOL_DN: if ((!adc1k) && (info->cable_type == CABLE_TYPE_EARJACK_MUIC)) { info->earkeypressed = true; max77693_muic_press_earjack_key(info, adc); } break; case ADC_EARJACK: if ((info->cable_type == CABLE_TYPE_EARJACK_MUIC) && (info->earkeypressed)) { info->earkeypressed = false; max77693_muic_press_earjack_key(info, adc); } else { max77693_muic_attach_earjack(info, adc); } break; #endif case ADC_CEA936ATYPE1_CHG: case ADC_CEA936ATYPE2_CHG: case ADC_OPEN: switch (chgtyp) { case CHGTYP_USB: case CHGTYP_DOWNSTREAM_PORT: if (adc == ADC_CEA936ATYPE1_CHG || adc == ADC_CEA936ATYPE2_CHG) break; if (info->cable_type == CABLE_TYPE_MHL_MUIC) { dev_info(info->dev, "%s: MHL(charging)\n", __func__); info->cable_type = CABLE_TYPE_MHL_VB_MUIC; ret = max77693_muic_set_charging_type(info, false); return ret; } #ifdef CONFIG_EXTCON if (info->edev) extcon_set_cable_state(info->edev, "USB", true); #endif ret = max77693_muic_attach_usb_type(info, adc); break; case CHGTYP_DEDICATED_CHGR: case CHGTYP_500MA: case CHGTYP_1A: dev_info(info->dev, "%s:TA\n", __func__); info->cable_type = CABLE_TYPE_TA_MUIC; #ifdef CONFIG_EXTCON if (info->edev) extcon_set_cable_state(info->edev, "TA", true); #endif #ifdef CONFIG_USBHUB_USB3803 /* setting usb hub in default mode (standby) */ usb3803_set_mode(USB_3803_MODE_STANDBY); #endif /* CONFIG_USBHUB_USB3803 */ ret = max77693_muic_set_charging_type(info, false); if (ret) info->cable_type = CABLE_TYPE_NONE_MUIC; break; default: if (dxovp) { dev_info(info->dev, "%s:TA(DXOVP)\n", __func__); info->cable_type = CABLE_TYPE_TA_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) info->cable_type = CABLE_TYPE_NONE_MUIC; } break; } break; default: dev_warn(info->dev, "%s: unsupported adc=0x%x\n", __func__, adc); break; } return ret; } static int max77693_muic_handle_detach(struct max77693_muic_info *info, int irq) { struct i2c_client *client = info->muic; struct max77693_muic_data *mdata = info->muic_data; enum cable_type_muic prev_ct = CABLE_TYPE_NONE_MUIC; u8 cntl2_val; int ret = 0; dev_info(info->dev, "func:%s\n", __func__); info->is_adc_open_prev = true; /* Workaround: irq doesn't occur after detaching mHL cable */ max77693_write_reg(client, MAX77693_MUIC_REG_CTRL1, MAX77693_MUIC_CTRL1_BIN_0_000); /* Enable Factory Accessory Detection State Machine */ max77693_update_reg(client, MAX77693_MUIC_REG_CTRL2, (1 << CTRL2_ACCDET_SHIFT), CTRL2_ACCDET_MASK); max77693_update_reg(client, MAX77693_MUIC_REG_CTRL2, CTRL2_CPEn0_LOWPWD1, CTRL2_CPEn_MASK | CTRL2_LOWPWD_MASK); max77693_read_reg(client, MAX77693_MUIC_REG_CTRL2, &cntl2_val); dev_info(info->dev, "%s: CNTL2(0x%02x)\n", __func__, cntl2_val); #if defined(CONFIG_MACH_M0_CTC) || defined(CONFIG_MACH_T0_CHN_CTC) if (cp_usb_state != 0) { if (system_rev < 11) { gpio_direction_output(GPIO_USB_BOOT_EN, 0); } else if (system_rev == 11) { gpio_direction_output(GPIO_USB_BOOT_EN, 0); gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 0); } else { gpio_direction_output(GPIO_USB_BOOT_EN_REV06, 0); } cp_usb_state = 0; } #endif #if defined(CONFIG_SWITCH_DUAL_MODEM) && defined(CONFIG_MACH_T0_CHN_CMCC) gpio_direction_output(GPIO_CP_USB_ON, 0); #endif #ifdef CONFIG_USBHUB_USB3803 /* setting usb hub in default mode (standby) */ usb3803_set_mode(USB_3803_MODE_STANDBY); #endif /* CONFIG_USBHUB_USB3803 */ info->previous_key = DOCK_KEY_NONE; #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) /* clear CDDelay 500ms */ max77693_muic_clear_cddelay(info); #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ if (info->cable_type == CABLE_TYPE_NONE_MUIC) { dev_info(info->dev, "%s: duplicated(NONE)\n", __func__); return 0; } #if 0 if (mdata->jig_uart_cb) mdata->jig_uart_cb(UART_PATH_AP); #endif switch (info->cable_type) { case CABLE_TYPE_OTG_MUIC: dev_info(info->dev, "%s: OTG\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_OTGHOST_DETACHED); break; case CABLE_TYPE_USB_MUIC: case CABLE_TYPE_JIG_USB_OFF_MUIC: case CABLE_TYPE_JIG_USB_ON_MUIC: #ifdef CONFIG_EXTCON if (info->edev) extcon_set_cable_state(info->edev, "USB", false); #endif dev_info(info->dev, "%s: USB(0x%x)\n", __func__, info->cable_type); prev_ct = info->cable_type; info->cable_type = CABLE_TYPE_NONE_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) { info->cable_type = prev_ct; break; } if (mdata->sw_path == CP_USB_MODE) return 0; if (mdata->usb_cb && info->is_usb_ready) mdata->usb_cb(USB_CABLE_DETACHED); break; case CABLE_TYPE_DESKDOCK_MUIC: dev_info(info->dev, "%s: DESKDOCK\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) { info->cable_type = CABLE_TYPE_DESKDOCK_MUIC; break; } if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); break; case CABLE_TYPE_CARDOCK_MUIC: dev_info(info->dev, "%s: CARDOCK\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) { info->cable_type = CABLE_TYPE_CARDOCK_MUIC; break; } if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); break; case CABLE_TYPE_TA_MUIC: #ifdef CONFIG_EXTCON if (info->edev) extcon_set_cable_state(info->edev, "TA", false); #endif dev_info(info->dev, "%s: TA\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) info->cable_type = CABLE_TYPE_TA_MUIC; break; case CABLE_TYPE_JIG_UART_ON_MUIC: #if defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) dev_info(info->dev, "%s: JIG UART/BOOTON\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; #else if (info->is_factory_start) { pr_info("%s:%s JIG_UART_ON\n", DEV_NAME, __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; if (mdata->dock_cb) mdata->dock_cb(MAX77693_MUIC_DOCK_DETACHED); } #endif /* CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ break; case CABLE_TYPE_JIG_UART_OFF_MUIC: dev_info(info->dev, "%s: JIG UART/BOOTOFF\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; break; #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) case CABLE_TYPE_SMARTDOCK_MUIC: case CABLE_TYPE_SMARTDOCK_TA_MUIC: case CABLE_TYPE_SMARTDOCK_USB_MUIC: max77693_muic_detach_smart_dock(info); break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) case CABLE_TYPE_AUDIODOCK_MUIC: max77693_muic_detach_audio_dock(info); break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ case CABLE_TYPE_JIG_UART_OFF_VB_MUIC: dev_info(info->dev, "%s: JIG UART/OFF/VB\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) info->cable_type = CABLE_TYPE_JIG_UART_OFF_VB_MUIC; break; case CABLE_TYPE_MHL_MUIC: if (irq == info->irq_adc || irq == info->irq_chgtype) { dev_warn(info->dev, "Detech mhl: Ignore irq:%d\n", irq); break; } dev_info(info->dev, "%s: MHL\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); #ifdef CONFIG_EXTCON if (info->edev && info->is_mhl_ready) extcon_set_cable_state(info->edev, "MHL", false); #else if (mdata->mhl_cb && info->is_mhl_ready) mdata->mhl_cb(MAX77693_MUIC_DETACHED); #endif break; case CABLE_TYPE_MHL_VB_MUIC: if (irq == info->irq_adc || irq == info->irq_chgtype) { dev_warn(info->dev, "Detech vbMhl: Ignore irq:%d\n", irq); break; } dev_info(info->dev, "%s: MHL VBUS\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; max77693_muic_set_charging_type(info, false); #ifdef CONFIG_EXTCON if (info->edev && info->is_mhl_ready) extcon_set_cable_state(info->edev, "MHL", false); #else if (mdata->mhl_cb && info->is_mhl_ready) mdata->mhl_cb(MAX77693_MUIC_DETACHED); #endif break; #if defined(CONFIG_MUIC_DET_JACK) case CABLE_TYPE_EARJACK_MUIC: dev_info(info->dev, "%s: EARJACK\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; if (mdata->earjack_cb) mdata->earjack_cb(MAX77693_MUIC_DETACHED); break; #endif case CABLE_TYPE_UNKNOWN_MUIC: dev_info(info->dev, "%s: UNKNOWN\n", __func__); info->cable_type = CABLE_TYPE_NONE_MUIC; ret = max77693_muic_set_charging_type(info, false); if (ret) info->cable_type = CABLE_TYPE_UNKNOWN_MUIC; break; default: dev_info(info->dev, "%s:invalid cable type %d\n", __func__, info->cable_type); break; } /* jig state clear */ mdata->jig_state(false); #if defined(CONFIG_MACH_T0_CHN_CMCC) gpio_set_value(GPIO_AP_TD_INT1, GPIO_LEVEL_LOW); #endif return ret; } static int max77693_muic_filter_dev(struct max77693_muic_info *info, u8 status1, u8 status2) { u8 adc, adclow, adcerr, adc1k, chgtyp, vbvolt, dxovp; int intr = INT_ATTACH; adc = status1 & STATUS1_ADC_MASK; adclow = status1 & STATUS1_ADCLOW_MASK; adcerr = status1 & STATUS1_ADCERR_MASK; adc1k = status1 & STATUS1_ADC1K_MASK; chgtyp = status2 & STATUS2_CHGTYP_MASK; vbvolt = status2 & STATUS2_VBVOLT_MASK; dxovp = status2 & STATUS2_DXOVP_MASK; dev_info(info->dev, "adc:%x adcerr:%x chgtyp:%x vb:%x dxovp:%x cable_type:%d\n", adc, adcerr, chgtyp, vbvolt, dxovp, info->cable_type); #if !defined(CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT) if (adclow && adc1k) { pr_info("%s:%s MHL cable connected\n", DEV_NAME, __func__); return INT_ATTACH; } #endif /* CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT */ switch (adc) { #if defined(CONFIG_MACH_GC1) case ADC_GND: if (info->is_otg_attach_blocked) { pr_warn("%s:%s otg attach is blocked, ignore\n", DEV_NAME, __func__); return -1; } break; case ADC_MHL ... (ADC_CEA936ATYPE1_CHG - 1): case ADC_DESKDOCK: case ADC_CARDOCK ... (ADC_OPEN - 1): #else case ADC_GND: if (!adclow) { pr_info("%s:%s ADC_GND & !adclow = OTG\n", DEV_NAME, __func__); break; } pr_info("%s:%s ADC_GND & adclow != OTG\n", DEV_NAME, __func__); #if !defined(CONFIG_MUIC_DET_JACK) case ADC_MHL ... (ADC_SMARTDOCK - 1): case (ADC_OPEN - 1): #endif /* !CONFIG_MUIC_DET_JACK */ case (ADC_SMARTDOCK + 1): #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) case ADC_AUDIODOCK: #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ case (ADC_AUDIODOCK + 1) ... (ADC_CEA936ATYPE1_CHG - 1): #endif /* CONFIG_MACH_GC1 */ dev_warn(info->dev, "%s: unsupported ADC(0x%02x)\n", __func__, adc); intr = INT_DETACH; break; case ADC_OPEN: if (!adcerr) { if (chgtyp == CHGTYP_NO_VOLTAGE) { if (dxovp) break; else intr = INT_DETACH; } else if (chgtyp == CHGTYP_USB || chgtyp == CHGTYP_DOWNSTREAM_PORT || chgtyp == CHGTYP_DEDICATED_CHGR || chgtyp == CHGTYP_500MA || chgtyp == CHGTYP_1A) { switch (info->cable_type) { case CABLE_TYPE_OTG_MUIC: case CABLE_TYPE_DESKDOCK_MUIC: case CABLE_TYPE_CARDOCK_MUIC: case CABLE_TYPE_SMARTDOCK_MUIC: case CABLE_TYPE_SMARTDOCK_TA_MUIC: case CABLE_TYPE_SMARTDOCK_USB_MUIC: case CABLE_TYPE_AUDIODOCK_MUIC: intr = INT_DETACH; break; default: break; } } } break; default: break; } return intr; } static void max77693_muic_detect_dev(struct max77693_muic_info *info, int irq) { struct i2c_client *client = info->muic; u8 status[2]; int ret; u8 cntl1_val; int intr = INT_ATTACH; ret = max77693_read_reg(client, MAX77693_MUIC_REG_CTRL1, &cntl1_val); dev_info(info->dev, "func:%s CONTROL1:%x\n", __func__, cntl1_val); ret = max77693_bulk_read(client, MAX77693_MUIC_REG_STATUS1, 2, status); dev_info(info->dev, "func:%s irq:%d ret:%d\n", __func__, irq, ret); if (ret) { dev_err(info->dev, "%s: fail to read muic reg(%d)\n", __func__, ret); return; } dev_info(info->dev, "%s: STATUS1:0x%x, 2:0x%x\n", __func__, status[0], status[1]); #if !defined(CONFIG_MACH_GC1) if ((irq == info->irq_adc) && max77693_muic_handle_dock_vol_key(info, status[0])) { dev_info(info->dev, "max77693_muic_handle_dock_vol_key(irq_adc:%x)", irq); return; } #endif wake_lock_timeout(&info->muic_wake_lock, HZ * 2); intr = max77693_muic_filter_dev(info, status[0], status[1]); if (intr == INT_ATTACH) { dev_info(info->dev, "%s: ATTACHED\n", __func__); max77693_muic_handle_attach(info, status[0], status[1], irq); } else if (intr == INT_DETACH) { dev_info(info->dev, "%s: DETACHED\n", __func__); max77693_muic_handle_detach(info, irq); } else { pr_info("%s:%s device filtered, nothing affect.\n", DEV_NAME, __func__); } return; } static irqreturn_t max77693_muic_irq(int irq, void *data) { struct max77693_muic_info *info = data; dev_info(info->dev, "%s: irq:%d\n", __func__, irq); mutex_lock(&info->mutex); max77693_muic_detect_dev(info, irq); mutex_unlock(&info->mutex); return IRQ_HANDLED; } #define REQUEST_IRQ(_irq, _name) \ do { \ ret = request_threaded_irq(_irq, NULL, max77693_muic_irq, \ IRQF_NO_SUSPEND, _name, info); \ if (ret < 0) \ dev_err(info->dev, "Failed to request IRQ #%d: %d\n", \ _irq, ret); \ } while (0) static int max77693_muic_irq_init(struct max77693_muic_info *info) { int ret; u8 val; dev_info(info->dev, "func:%s\n", __func__); dev_info(info->dev, "%s: system_rev=%x\n", __func__, system_rev); /* INTMASK1 3:ADC1K 2:ADCErr 1:ADCLow 0:ADC */ /* INTMASK2 0:Chgtype */ max77693_write_reg(info->muic, MAX77693_MUIC_REG_INTMASK1, 0x09); max77693_write_reg(info->muic, MAX77693_MUIC_REG_INTMASK2, 0x11); max77693_write_reg(info->muic, MAX77693_MUIC_REG_INTMASK3, 0x00); REQUEST_IRQ(info->irq_adc, "muic-adc"); REQUEST_IRQ(info->irq_chgtype, "muic-chgtype"); REQUEST_IRQ(info->irq_vbvolt, "muic-vbvolt"); REQUEST_IRQ(info->irq_adc1k, "muic-adc1k"); dev_info(info->dev, "adc:%d chgtype:%d adc1k:%d vbvolt:%d", info->irq_adc, info->irq_chgtype, info->irq_adc1k, info->irq_vbvolt); max77693_read_reg(info->muic, MAX77693_MUIC_REG_INTMASK1, &val); dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__, MAX77693_MUIC_REG_INTMASK1, val); max77693_read_reg(info->muic, MAX77693_MUIC_REG_INTMASK2, &val); dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__, MAX77693_MUIC_REG_INTMASK2, val); max77693_read_reg(info->muic, MAX77693_MUIC_REG_INTMASK3, &val); dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__, MAX77693_MUIC_REG_INTMASK3, val); max77693_read_reg(info->muic, MAX77693_MUIC_REG_INT1, &val); dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__, MAX77693_MUIC_REG_INT1, val); max77693_read_reg(info->muic, MAX77693_MUIC_REG_INT2, &val); dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__, MAX77693_MUIC_REG_INT2, val); max77693_read_reg(info->muic, MAX77693_MUIC_REG_INT3, &val); dev_info(info->dev, "%s: reg=%x, val=%x\n", __func__, MAX77693_MUIC_REG_INT3, val); return 0; } #define CHECK_GPIO(_gpio, _name) \ do { \ if (!_gpio) { \ dev_err(&pdev->dev, _name " GPIO defined as 0 !\n"); \ WARN_ON(!_gpio); \ ret = -EIO; \ goto err_kfree; \ } \ } while (0) #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) ||\ defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) static void max77693_muic_dock_detect(struct work_struct *work) { struct max77693_muic_info *info = container_of(work, struct max77693_muic_info, dock_work.work); struct i2c_client *client = info->muic; u8 status[2]; int ret; u8 cntl1_val; u8 adc, adclow, adcerr, adc1k, chgtyp, vbvolt, dxovp; mutex_lock(&info->mutex); ret = max77693_read_reg(client, MAX77693_MUIC_REG_CTRL1, &cntl1_val); pr_info("%s:%s CONTROL1:%x\n", DEV_NAME, __func__, cntl1_val); ret = max77693_bulk_read(client, MAX77693_MUIC_REG_STATUS1, 2, status); if (ret) { pr_err("%s:%s fail to read muic reg(%d)\n", DEV_NAME, __func__, ret); goto end; } pr_info("%s:%s STATUS1:0x%x, 2:0x%x\n", DEV_NAME, __func__, status[0], status[1]); adc = status[0] & STATUS1_ADC_MASK; adclow = status[0] & STATUS1_ADCLOW_MASK; adcerr = status[0] & STATUS1_ADCERR_MASK; adc1k = status[0] & STATUS1_ADC1K_MASK; chgtyp = status[1] & STATUS2_CHGTYP_MASK; vbvolt = status[1] & STATUS2_VBVOLT_MASK; dxovp = status[1] & STATUS2_DXOVP_MASK; pr_info("%s:%s adc:%x adcerr:%x chgtyp:%x vb:%x dxovp:%x"\ " cable_type:%d\n", DEV_NAME, __func__, adc, adcerr, chgtyp, vbvolt, dxovp, info->cable_type); if (adc1k) { pr_info("%s:%s MHL attached, goto end\n", DEV_NAME, __func__); goto end; } if (adcerr) { pr_info("%s:%s ADC error, goto end\n", DEV_NAME, __func__); goto end; } switch (adc) { #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) case ADC_SMARTDOCK: pr_info("%s:%s Smart Dock\n", DEV_NAME, __func__); if (vbvolt && !info->is_usb_ready) { pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n", DEV_NAME, __func__); max77693_muic_set_usb_path(info, OPEN_USB_MODE); } break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) case ADC_AUDIODOCK: pr_info("%s:%s Audio Dock\n", DEV_NAME, __func__); if (vbvolt && !info->is_usb_ready) { pr_info("%s:%s usb not ready yet, D+,D- line(Open)\n", DEV_NAME, __func__); max77693_muic_set_usb_path(info, OPEN_USB_MODE); } break; #endif /* CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ default: break; } end: mutex_unlock(&info->mutex); } #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK || CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ static void max77693_muic_init_detect(struct work_struct *work) { struct max77693_muic_info *info = container_of(work, struct max77693_muic_info, init_work.work); dev_info(info->dev, "func:%s\n", __func__); mutex_lock(&info->mutex); max77693_muic_detect_dev(info, -1); mutex_unlock(&info->mutex); } static void max77693_muic_usb_detect(struct work_struct *work) { struct max77693_muic_info *info = container_of(work, struct max77693_muic_info, usb_work.work); struct max77693_muic_data *mdata = info->muic_data; dev_info(info->dev, "func:%s info->muic_data->sw_path:%d\n", __func__, info->muic_data->sw_path); mutex_lock(&info->mutex); info->is_usb_ready = true; if (info->muic_data->sw_path != CP_USB_MODE) { if (mdata->usb_cb) { switch (info->cable_type) { case CABLE_TYPE_USB_MUIC: case CABLE_TYPE_JIG_USB_OFF_MUIC: case CABLE_TYPE_JIG_USB_ON_MUIC: #ifdef CONFIG_USBHUB_USB3803 /* setting usb hub in Diagnostic(hub) mode */ usb3803_set_mode(USB_3803_MODE_HUB); #endif /* CONFIG_USBHUB_USB3803 */ mdata->usb_cb(USB_CABLE_ATTACHED); break; case CABLE_TYPE_OTG_MUIC: mdata->usb_cb(USB_OTGHOST_ATTACHED); break; case CABLE_TYPE_SMARTDOCK_MUIC: pr_info("%s:%s now usb ready, turn "\ "D+,D- line to AP_USB\n", DEV_NAME, __func__); max77693_muic_set_usb_path(info, AP_USB_MODE); break; case CABLE_TYPE_SMARTDOCK_TA_MUIC: pr_info("%s:%s now usb ready, turn "\ "D+,D- line to AP_USB\n", DEV_NAME, __func__); max77693_muic_set_usb_path(info, AP_USB_MODE); mdata->usb_cb(USB_POWERED_HOST_ATTACHED); break; case CABLE_TYPE_SMARTDOCK_USB_MUIC: pr_info("%s:%s now usb ready, turn "\ "D+,D- line to AP_USB\n", DEV_NAME, __func__); max77693_muic_set_usb_path(info, AP_USB_MODE); mdata->usb_cb(USB_CABLE_ATTACHED); break; case CABLE_TYPE_AUDIODOCK_MUIC: pr_info("%s:%s now usb ready, turn "\ "D+,D- line to AP_USB\n", DEV_NAME, __func__); max77693_muic_set_usb_path(info, AP_USB_MODE); mdata->usb_cb(USB_POWERED_HOST_ATTACHED); break; default: break; } } } mutex_unlock(&info->mutex); } #if !defined(CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT) static void max77693_muic_mhl_detect(struct work_struct *work) { struct max77693_muic_info *info = container_of(work, struct max77693_muic_info, mhl_work.work); struct max77693_muic_data *mdata = info->muic_data; dev_info(info->dev, "func:%s cable_type:%d\n", __func__, info->cable_type); mutex_lock(&info->mutex); info->is_mhl_ready = true; if (info->cable_type == CABLE_TYPE_MHL_MUIC || info->cable_type == CABLE_TYPE_MHL_VB_MUIC || info->cable_type == CABLE_TYPE_SMARTDOCK_MUIC || info->cable_type == CABLE_TYPE_SMARTDOCK_TA_MUIC || info->cable_type == CABLE_TYPE_SMARTDOCK_USB_MUIC) { #ifdef CONFIG_EXTCON if (info->edev) extcon_set_cable_state(info->edev, "MHL", true); #else if (mdata->mhl_cb) mdata->mhl_cb(MAX77693_MUIC_ATTACHED); #endif } mutex_unlock(&info->mutex); } #endif /* !CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT */ static int uart_switch_init(struct max77693_muic_info *info) { int ret, val; #if !defined(CONFIG_MACH_T0) && !defined(CONFIG_MACH_M3) \ && !defined(CONFIG_MACH_SLP_T0_LTE) && !defined(CONFIG_MACH_KONA) if (info->max77693->pmic_rev < MAX77693_REV_PASS2) { ret = gpio_request(GPIO_UART_SEL, "UART_SEL"); if (ret < 0) { pr_err("Failed to request GPIO_UART_SEL!\n"); return -ENODEV; } s3c_gpio_setpull(GPIO_UART_SEL, S3C_GPIO_PULL_NONE); val = gpio_get_value(GPIO_UART_SEL); gpio_direction_output(GPIO_UART_SEL, val); pr_info("func: %s uart_gpio val: %d\n", __func__, val); } #endif /* !defined(CONFIG_MACH_T0) */ #ifdef CONFIG_LTE_VIA_SWITCH ret = gpio_request(GPIO_LTE_VIA_UART_SEL, "LTE_VIA_SEL"); if (ret < 0) { pr_err("Failed to request GPIO_LTE_VIA_UART_SEL!\n"); return -ENODEV; } s3c_gpio_setpull(GPIO_LTE_VIA_UART_SEL, S3C_GPIO_PULL_NONE); val = gpio_get_value(GPIO_LTE_VIA_UART_SEL); gpio_direction_output(GPIO_LTE_VIA_UART_SEL, val); pr_info("func: %s lte_gpio val: %d\n", __func__, val); #endif /* #ifndef CONFIG_LTE_VIA_SWITCH gpio_export(GPIO_UART_SEL, 1); gpio_export_link(switch_dev, "uart_sel", GPIO_UART_SEL); #endif */ #if defined(CONFIG_SWITCH_DUAL_MODEM) ret = gpio_request(GPIO_UART_SEL, "UART_SEL"); if (ret < 0) { pr_err("Failed to request GPIO_UART_SEL!\n"); return -ENODEV; } val = gpio_get_value(GPIO_UART_SEL); gpio_direction_output(GPIO_UART_SEL, val); ret = gpio_request(GPIO_USB_SEL, "USB_SEL"); if (ret < 0) { pr_err("Failed to request GPIO_USB_SEL!\n"); return -ENODEV; } val = gpio_get_value(GPIO_USB_SEL); gpio_direction_output(GPIO_USB_SEL, val); #if defined(CONFIG_MACH_T0_CHN_CMCC) ret = gpio_request(GPIO_CP_USB_ON, "CP_USB_ON"); if (ret < 0) { pr_err("Failed to request GPIO_CP_USB_ON!\n"); return -ENODEV; } gpio_direction_output(GPIO_CP_USB_ON, 0); #endif #endif return 0; } int max77693_muic_get_status1_adc1k_value(void) { u8 adc1k; int ret; ret = max77693_read_reg(gInfo->muic, MAX77693_MUIC_REG_STATUS1, &adc1k); if (ret) { dev_err(gInfo->dev, "%s: fail to read muic reg(%d)\n", __func__, ret); return -EINVAL; } adc1k = adc1k & STATUS1_ADC1K_MASK ? 1 : 0; pr_info("func:%s, adc1k: %d\n", __func__, adc1k); /* -1:err, 0:adc1k not detected, 1:adc1k detected */ return adc1k; } int max77693_muic_get_status1_adc_value(void) { u8 adc; int ret; ret = max77693_read_reg(gInfo->muic, MAX77693_MUIC_REG_STATUS1, &adc); if (ret) { dev_err(gInfo->dev, "%s: fail to read muic reg(%d)\n", __func__, ret); return -EINVAL; } return adc & STATUS1_ADC_MASK; } /* * func: max77693_muic_set_audio_switch * arg: bool enable(true:set vps path, false:set path open) * return: only 0 success */ int max77693_muic_set_audio_switch(bool enable) { struct i2c_client *client = gInfo->muic; u8 cntl1_val, cntl1_msk; int ret; pr_info("func:%s enable(%d)", __func__, enable); if (enable) { cntl1_val = (MAX77693_MUIC_CTRL1_BIN_2_010 << COMN1SW_SHIFT) | (MAX77693_MUIC_CTRL1_BIN_2_010 << COMP2SW_SHIFT) | (0 << MICEN_SHIFT); } else { cntl1_val = 0x3f; } cntl1_msk = COMN1SW_MASK | COMP2SW_MASK | MICEN_MASK; ret = max77693_update_reg(client, MAX77693_MUIC_REG_CTRL1, cntl1_val, cntl1_msk); cntl1_val = MAX77693_MUIC_CTRL1_BIN_0_000; max77693_read_reg(client, MAX77693_MUIC_REG_CTRL1, &cntl1_val); dev_info(gInfo->dev, "%s: CNTL1(0x%02x)\n", __func__, cntl1_val); return ret; } void max77693_update_jig_state(struct max77693_muic_info *info) { struct i2c_client *client = info->muic; struct max77693_muic_data *mdata = info->muic_data; u8 reg_data, adc; int ret, jig_state; ret = max77693_read_reg(client, MAX77693_MUIC_REG_STATUS1, ®_data); if (ret) { dev_err(info->dev, "%s: fail to read muic reg(%d)\n", __func__, ret); return; } adc = reg_data & STATUS1_ADC_MASK; switch (adc) { case ADC_JIG_UART_OFF: case ADC_JIG_USB_OFF: case ADC_JIG_USB_ON: jig_state = true; break; default: jig_state = false; break; } mdata->jig_state(jig_state); } static int __devinit max77693_muic_probe(struct platform_device *pdev) { struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent); struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev); struct max77693_muic_info *info; struct input_dev *input; int ret; pr_info("func:%s\n", __func__); info = kzalloc(sizeof(struct max77693_muic_info), GFP_KERNEL); if (!info) { dev_err(&pdev->dev, "%s: failed to allocate info\n", __func__); ret = -ENOMEM; goto err_return; } input = input_allocate_device(); if (!input) { dev_err(&pdev->dev, "%s: failed to allocate input\n", __func__); ret = -ENOMEM; goto err_kfree; } info->dev = &pdev->dev; info->max77693 = max77693; info->muic = max77693->muic; info->input = input; info->irq_adc = max77693->irq_base + MAX77693_MUIC_IRQ_INT1_ADC; info->irq_chgtype = max77693->irq_base + MAX77693_MUIC_IRQ_INT2_CHGTYP; info->irq_vbvolt = max77693->irq_base + MAX77693_MUIC_IRQ_INT2_VBVOLT; info->irq_adc1k = max77693->irq_base + MAX77693_MUIC_IRQ_INT1_ADC1K; info->muic_data = pdata->muic; info->is_adc_open_prev = true; #if defined(CONFIG_MACH_GC1) info->is_otg_attach_blocked = false; #endif /* CONFIG_MACH_GC1 */ #if !defined(CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK) info->is_factory_start = false; #endif /* !CONFIG_MUIC_MAX77693_SUPPORT_CAR_DOCK */ wake_lock_init(&info->muic_wake_lock, WAKE_LOCK_SUSPEND, "muic wake lock"); if (pdata->is_default_uart_path_cp) info->is_default_uart_path_cp = pdata->is_default_uart_path_cp(); else info->is_default_uart_path_cp = false; info->cable_type = CABLE_TYPE_UNKNOWN_MUIC; info->muic_data->sw_path = AP_USB_MODE; #if defined(CONFIG_MUIC_DET_JACK) info->earkeypressed = false; info->previous_earkey = 0; #endif gInfo = info; platform_set_drvdata(pdev, info); dev_info(info->dev, "adc:%d chgtype:%d, adc1k%d\n", info->irq_adc, info->irq_chgtype, info->irq_adc1k); input->name = pdev->name; input->phys = "deskdock-key/input0"; input->dev.parent = &pdev->dev; input->id.bustype = BUS_HOST; input->id.vendor = 0x0001; input->id.product = 0x0001; input->id.version = 0x0001; /* Enable auto repeat feature of Linux input subsystem */ __set_bit(EV_REP, input->evbit); input_set_capability(input, EV_KEY, KEY_VOLUMEUP); input_set_capability(input, EV_KEY, KEY_VOLUMEDOWN); input_set_capability(input, EV_KEY, KEY_PLAYPAUSE); input_set_capability(input, EV_KEY, KEY_PREVIOUSSONG); input_set_capability(input, EV_KEY, KEY_NEXTSONG); ret = input_register_device(input); if (ret) { dev_err(info->dev, "%s: Unable to register input device, " "error: %d\n", __func__, ret); goto err_input; } ret = uart_switch_init(info); if (ret) { pr_err("Failed to initialize uart\n"); goto err_input; } if (info->is_default_uart_path_cp) dev_info(info->dev, "H/W rev connected UT1 UR2 pin to CP UART"); else dev_info(info->dev, "H/W rev connected UT1 UR2 pin to AP UART"); /*PASS1 */ if (max77693->pmic_rev < MAX77693_REV_PASS2 && gpio_is_valid(info->muic_data->gpio_usb_sel)) { CHECK_GPIO(info->muic_data->gpio_usb_sel, "USB_SEL"); if (info->muic_data->cfg_uart_gpio) info->muic_data->uart_path = info->muic_data->cfg_uart_gpio(); ret = gpio_request(info->muic_data->gpio_usb_sel, "USB_SEL"); if (ret) { dev_info(info->dev, "%s: fail to request gpio(%d)\n", __func__, ret); goto err_input; } if (gpio_get_value(info->muic_data->gpio_usb_sel)) { dev_info(info->dev, "%s: CP USB\n", __func__); info->muic_data->sw_path = CP_USB_MODE; } } else if (max77693->pmic_rev >= MAX77693_REV_PASS2) { /*PASS2 */ int switch_sel = get_switch_sel(); #if defined(CONFIG_SWITCH_DUAL_MODEM) switch_sel &= 0xf; if ((switch_sel & MAX77693_SWITCH_SEL_1st_BIT_USB) == 0x1) info->muic_data->sw_path = AP_USB_MODE; else if ((switch_sel & MAX77693_SWITCH_SEL_1st_BIT_USB) == 0x2) info->muic_data->sw_path = CP_ESC_USB_MODE; else info->muic_data->sw_path = CP_USB_MODE; if ((switch_sel & MAX77693_SWITCH_SEL_2nd_BIT_UART) == 0x1 << 2) info->muic_data->uart_path = UART_PATH_AP; else if ((switch_sel & MAX77693_SWITCH_SEL_2nd_BIT_UART) == 0x2 << 2) info->muic_data->uart_path = UART_PATH_CP_ESC; else info->muic_data->uart_path = UART_PATH_CP; #else if (switch_sel & MAX77693_SWITCH_SEL_1st_BIT_USB) info->muic_data->sw_path = AP_USB_MODE; else info->muic_data->sw_path = CP_USB_MODE; if (switch_sel & MAX77693_SWITCH_SEL_2nd_BIT_UART) info->muic_data->uart_path = UART_PATH_AP; else { info->muic_data->uart_path = UART_PATH_CP; #ifdef CONFIG_LTE_VIA_SWITCH if (switch_sel & MAX77693_SWITCH_SEL_3rd_BIT_LTE_UART) info->muic_data->uart_path = UART_PATH_LTE; #endif } #endif pr_info("%s: switch_sel: %x\n", __func__, switch_sel); } /* create sysfs group */ ret = sysfs_create_group(&switch_dev->kobj, &max77693_muic_group); dev_set_drvdata(switch_dev, info); if (ret) { dev_err(&pdev->dev, "failed to create max77693 muic attribute group\n"); goto fail; } #ifdef CONFIG_EXTCON /* External connector */ info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL); if (!info->edev) { pr_err("Failed to allocate memory for extcon device\n"); ret = -ENOMEM; goto fail; } info->edev->name = DEV_NAME; info->edev->supported_cable = extcon_cable_name; ret = extcon_dev_register(info->edev, NULL); if (ret) { pr_err("Failed to register extcon device\n"); kfree(info->edev); goto fail; } #endif if (info->muic_data->init_cb) info->muic_data->init_cb(); mutex_init(&info->mutex); /* Set ADC debounce time: 25ms */ max77693_muic_set_adcdbset(info, 2); ret = max77693_muic_irq_init(info); if (ret < 0) { dev_err(&pdev->dev, "Failed to initialize MUIC irq:%d\n", ret); goto fail; } /* init jig state */ max77693_update_jig_state(info); /* initial cable detection */ #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) ||\ defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) INIT_DELAYED_WORK(&info->dock_work, max77693_muic_dock_detect); schedule_delayed_work(&info->dock_work, msecs_to_jiffies(50)); #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK || CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ INIT_DELAYED_WORK(&info->init_work, max77693_muic_init_detect); schedule_delayed_work(&info->init_work, msecs_to_jiffies(3000)); INIT_DELAYED_WORK(&info->usb_work, max77693_muic_usb_detect); schedule_delayed_work(&info->usb_work, msecs_to_jiffies(17000)); #if !defined(CONFIG_MUIC_MAX77693_SEPARATE_MHL_PORT) INIT_DELAYED_WORK(&info->mhl_work, max77693_muic_mhl_detect); schedule_delayed_work(&info->mhl_work, msecs_to_jiffies(25000)); #endif return 0; fail: if (info->irq_adc) free_irq(info->irq_adc, NULL); if (info->irq_chgtype) free_irq(info->irq_chgtype, NULL); if (info->irq_vbvolt) free_irq(info->irq_vbvolt, NULL); if (info->irq_adc1k) free_irq(info->irq_adc1k, NULL); mutex_destroy(&info->mutex); err_input: platform_set_drvdata(pdev, NULL); input_free_device(input); wake_lock_destroy(&info->muic_wake_lock); err_kfree: kfree(info); err_return: return ret; } static int __devexit max77693_muic_remove(struct platform_device *pdev) { struct max77693_muic_info *info = platform_get_drvdata(pdev); sysfs_remove_group(&switch_dev->kobj, &max77693_muic_group); if (info) { dev_info(info->dev, "func:%s\n", __func__); input_unregister_device(info->input); #if defined(CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK) ||\ defined(CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK) cancel_delayed_work(&info->dock_work); #endif /* CONFIG_MUIC_MAX77693_SUPPORT_SMART_DOCK || CONFIG_MUIC_MAX77693_SUPPORT_OTG_AUDIO_DOCK */ cancel_delayed_work(&info->init_work); cancel_delayed_work(&info->usb_work); cancel_delayed_work(&info->mhl_work); free_irq(info->irq_adc, info); free_irq(info->irq_chgtype, info); free_irq(info->irq_vbvolt, info); free_irq(info->irq_adc1k, info); wake_lock_destroy(&info->muic_wake_lock); #ifndef CONFIG_TARGET_LOCALE_NA gpio_free(info->muic_data->gpio_usb_sel); #endif /* CONFIG_TARGET_LOCALE_NA */ mutex_destroy(&info->mutex); kfree(info); } return 0; } void max77693_muic_shutdown(struct device *dev) { struct max77693_muic_info *info = dev_get_drvdata(dev); int ret; u8 val; dev_info(info->dev, "func:%s\n", __func__); if (!info->muic) { dev_err(info->dev, "%s: no muic i2c client\n", __func__); return; } dev_info(info->dev, "%s: JIGSet: auto detection\n", __func__); val = (0 << CTRL3_JIGSET_SHIFT) | (0 << CTRL3_BOOTSET_SHIFT); ret = max77693_update_reg(info->muic, MAX77693_MUIC_REG_CTRL3, val, CTRL3_JIGSET_MASK | CTRL3_BOOTSET_MASK); if (ret < 0) { dev_err(info->dev, "%s: fail to update reg\n", __func__); return; } } static struct platform_driver max77693_muic_driver = { .driver = { .name = DEV_NAME, .owner = THIS_MODULE, .shutdown = max77693_muic_shutdown, }, .probe = max77693_muic_probe, .remove = __devexit_p(max77693_muic_remove), }; static int __init max77693_muic_init(void) { pr_info("func:%s\n", __func__); return platform_driver_register(&max77693_muic_driver); } module_init(max77693_muic_init); static void __exit max77693_muic_exit(void) { pr_info("func:%s\n", __func__); platform_driver_unregister(&max77693_muic_driver); } module_exit(max77693_muic_exit); MODULE_DESCRIPTION("Maxim MAX77693 MUIC driver"); MODULE_AUTHOR(""); MODULE_LICENSE("GPL");