// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2014, Sony Mobile Communications Inc. * * This driver is for the multi-block Switch-Mode Battery Charger and Boost * (SMBB) hardware, found in Qualcomm PM8941 PMICs. The charger is an * integrated, single-cell lithium-ion battery charger. * * Sub-components: * - Charger core * - Buck * - DC charge-path * - USB charge-path * - Battery interface * - Boost (not implemented) * - Misc * - HF-Buck */ #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/power_supply.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/extcon-provider.h> #include <linux/regulator/driver.h> #define SMBB_CHG_VMAX … #define SMBB_CHG_VSAFE … #define SMBB_CHG_CFG … #define SMBB_CHG_IMAX … #define SMBB_CHG_ISAFE … #define SMBB_CHG_VIN_MIN … #define SMBB_CHG_CTRL … #define CTRL_EN … #define SMBB_CHG_VBAT_WEAK … #define SMBB_CHG_IBAT_TERM_CHG … #define IBAT_TERM_CHG_IEOC … #define IBAT_TERM_CHG_IEOC_BMS … #define IBAT_TERM_CHG_IEOC_CHG … #define SMBB_CHG_VBAT_DET … #define SMBB_CHG_TCHG_MAX_EN … #define TCHG_MAX_EN … #define SMBB_CHG_WDOG_TIME … #define SMBB_CHG_WDOG_EN … #define WDOG_EN … #define SMBB_BUCK_REG_MODE … #define BUCK_REG_MODE … #define BUCK_REG_MODE_VBAT … #define BUCK_REG_MODE_VSYS … #define SMBB_BAT_PRES_STATUS … #define PRES_STATUS_BAT_PRES … #define SMBB_BAT_TEMP_STATUS … #define TEMP_STATUS_OK … #define TEMP_STATUS_HOT … #define SMBB_BAT_BTC_CTRL … #define BTC_CTRL_COMP_EN … #define BTC_CTRL_COLD_EXT … #define BTC_CTRL_HOT_EXT_N … #define SMBB_USB_IMAX … #define SMBB_USB_OTG_CTL … #define OTG_CTL_EN … #define SMBB_USB_ENUM_TIMER_STOP … #define ENUM_TIMER_STOP … #define SMBB_USB_SEC_ACCESS … #define SEC_ACCESS_MAGIC … #define SMBB_USB_REV_BST … #define REV_BST_CHG_GONE … #define SMBB_DC_IMAX … #define SMBB_MISC_REV2 … #define SMBB_MISC_BOOT_DONE … #define BOOT_DONE … #define STATUS_USBIN_VALID … #define STATUS_DCIN_VALID … #define STATUS_BAT_HOT … #define STATUS_BAT_OK … #define STATUS_BAT_PRESENT … #define STATUS_CHG_DONE … #define STATUS_CHG_TRKL … #define STATUS_CHG_FAST … #define STATUS_CHG_GONE … enum smbb_attr { … }; struct smbb_charger { … }; static const unsigned int smbb_usb_extcon_cable[] = …; static int smbb_vbat_weak_fn(unsigned int index) { … } static int smbb_vin_fn(unsigned int index) { … } static int smbb_vmax_fn(unsigned int index) { … } static int smbb_vbat_det_fn(unsigned int index) { … } static int smbb_imax_fn(unsigned int index) { … } static int smbb_bat_imax_fn(unsigned int index) { … } static unsigned int smbb_hw_lookup(unsigned int val, int (*fn)(unsigned int)) { … } static const struct smbb_charger_attr { … } smbb_charger_attrs[] = …; static int smbb_charger_attr_write(struct smbb_charger *chg, enum smbb_attr which, unsigned int val) { … } static int smbb_charger_attr_read(struct smbb_charger *chg, enum smbb_attr which) { … } static int smbb_charger_attr_parse(struct smbb_charger *chg, enum smbb_attr which) { … } static void smbb_set_line_flag(struct smbb_charger *chg, int irq, int flag) { … } static irqreturn_t smbb_usb_valid_handler(int irq, void *_data) { … } static irqreturn_t smbb_dc_valid_handler(int irq, void *_data) { … } static irqreturn_t smbb_bat_temp_handler(int irq, void *_data) { … } static irqreturn_t smbb_bat_present_handler(int irq, void *_data) { … } static irqreturn_t smbb_chg_done_handler(int irq, void *_data) { … } static irqreturn_t smbb_chg_gone_handler(int irq, void *_data) { … } static irqreturn_t smbb_chg_fast_handler(int irq, void *_data) { … } static irqreturn_t smbb_chg_trkl_handler(int irq, void *_data) { … } static const struct smbb_irq { … } smbb_charger_irqs[] = …; static int smbb_usbin_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static int smbb_usbin_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val) { … } static int smbb_dcin_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static int smbb_dcin_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val) { … } static int smbb_charger_writable_property(struct power_supply *psy, enum power_supply_property psp) { … } static int smbb_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { … } static int smbb_battery_set_property(struct power_supply *psy, enum power_supply_property psp, const union power_supply_propval *val) { … } static int smbb_battery_writable_property(struct power_supply *psy, enum power_supply_property psp) { … } static enum power_supply_property smbb_charger_properties[] = …; static enum power_supply_property smbb_battery_properties[] = …; static const struct reg_off_mask_default { … } smbb_charger_setup[] = …; static char *smbb_bif[] = …; static const struct power_supply_desc bat_psy_desc = …; static const struct power_supply_desc usb_psy_desc = …; static const struct power_supply_desc dc_psy_desc = …; static int smbb_chg_otg_enable(struct regulator_dev *rdev) { … } static int smbb_chg_otg_disable(struct regulator_dev *rdev) { … } static int smbb_chg_otg_is_enabled(struct regulator_dev *rdev) { … } static const struct regulator_ops smbb_chg_otg_ops = …; static int smbb_charger_probe(struct platform_device *pdev) { … } static void smbb_charger_remove(struct platform_device *pdev) { … } static const struct of_device_id smbb_charger_id_table[] = …; MODULE_DEVICE_TABLE(of, smbb_charger_id_table); static struct platform_driver smbb_charger_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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