diff options
Diffstat (limited to 'driver/charger/bq25710.c')
| -rw-r--r-- | driver/charger/bq25710.c | 752 |
1 files changed, 0 insertions, 752 deletions
diff --git a/driver/charger/bq25710.c b/driver/charger/bq25710.c deleted file mode 100644 index df898467be..0000000000 --- a/driver/charger/bq25710.c +++ /dev/null @@ -1,752 +0,0 @@ -/* Copyright 2018 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * TI bq25710 battery charger driver. - */ - -#include "battery.h" -#include "battery_smart.h" -#include "bq25710.h" -#include "charge_ramp.h" -#include "charge_state_v2.h" -#include "charger.h" -#include "common.h" -#include "console.h" -#include "hooks.h" -#include "i2c.h" -#include "task.h" -#include "system.h" -#include "timer.h" -#include "util.h" - -#ifndef CONFIG_CHARGER_NARROW_VDC -#error "BQ25710 is a NVDC charger, please enable CONFIG_CHARGER_NARROW_VDC." -#endif - -/* - * Delay required from taking the bq25710 out of low power mode and having the - * correct value in register 0x3E for VSYS_MIN voltage. The length of the delay - * was determined by experiment. Less than 12 msec was not enough of delay, so - * the value here is set to 20 msec to have plenty of margin. - */ -#define BQ25710_VDDA_STARTUP_DELAY_MSEC 20 - -/* Sense resistor configurations and macros */ -#define DEFAULT_SENSE_RESISTOR 10 - -#ifdef CONFIG_CHARGER_SENSE_RESISTOR_AC_BQ25710 - #undef CONFIG_CHARGER_SENSE_RESISTOR_AC - #define CONFIG_CHARGER_SENSE_RESISTOR_AC \ - CONFIG_CHARGER_SENSE_RESISTOR_AC_BQ25710 -#endif - - -#define INPUT_RESISTOR_RATIO \ - ((CONFIG_CHARGER_SENSE_RESISTOR_AC) / DEFAULT_SENSE_RESISTOR) - -#define CHARGING_RESISTOR_RATIO \ - ((CONFIG_CHARGER_SENSE_RESISTOR) / DEFAULT_SENSE_RESISTOR) -#define REG_TO_CHARGING_CURRENT(REG) ((REG) / CHARGING_RESISTOR_RATIO) -#define CHARGING_CURRENT_TO_REG(CUR) ((CUR) * CHARGING_RESISTOR_RATIO) -#ifdef CONFIG_CHARGER_BQ25720 -#define VMIN_AP_VSYS_TH2_TO_REG(DV) ((DV) - 32) -#endif - -/* Console output macros */ -#define CPRINTF(format, args...) cprintf(CC_CHARGER, format, ## args) - -#ifdef CONFIG_CHARGER_BQ25710_IDCHG_LIMIT_MA -/* - * If this config option is defined, then the bq25710 needs to remain in - * performance mode when the AP is in S0. Performance mode is active whenever AC - * power is connected or when the EN_LWPWR bit in ChargeOption0 is clear. - */ -static uint32_t bq25710_perf_mode_req; -static struct mutex bq25710_perf_mode_mutex; -#endif - -/* Charger parameters */ -static const struct charger_info bq25710_charger_info = { - .name = "bq25710", - .voltage_max = 19200, - .voltage_min = 1024, - .voltage_step = 8, - .current_max = 8128 / CHARGING_RESISTOR_RATIO, - .current_min = 64 / CHARGING_RESISTOR_RATIO, - .current_step = 64 / CHARGING_RESISTOR_RATIO, - .input_current_max = 6400 / INPUT_RESISTOR_RATIO, - .input_current_min = 50 / INPUT_RESISTOR_RATIO, - .input_current_step = 50 / INPUT_RESISTOR_RATIO, -}; - -static enum ec_error_list bq25710_get_option(int chgnum, int *option); -static enum ec_error_list bq25710_set_option(int chgnum, int option); - -static inline int iin_dpm_reg_to_current(int reg) -{ - return (reg + 1) * BQ25710_IIN_DPM_CURRENT_STEP_MA / - INPUT_RESISTOR_RATIO; -} - -static inline int iin_host_current_to_reg(int current) -{ - return (current * INPUT_RESISTOR_RATIO / - BQ25710_IIN_HOST_CURRENT_STEP_MA) - 1; -} - -static inline enum ec_error_list raw_read16(int chgnum, int offset, int *value) -{ - return i2c_read16(chg_chips[chgnum].i2c_port, - chg_chips[chgnum].i2c_addr_flags, - offset, value); -} - -static inline int min_system_voltage_to_reg(int voltage_mv) -{ - return (voltage_mv / BQ25710_MIN_SYSTEM_VOLTAGE_STEP_MV) << - BQ25710_MIN_SYSTEM_VOLTAGE_SHIFT; -} - -static inline enum ec_error_list raw_write16(int chgnum, int offset, int value) -{ - return i2c_write16(chg_chips[chgnum].i2c_port, - chg_chips[chgnum].i2c_addr_flags, - offset, value); -} - -#if defined(CONFIG_CHARGE_RAMP_HW) || \ - defined(CONFIG_USB_PD_VBUS_MEASURE_CHARGER) -static int bq25710_get_low_power_mode(int chgnum, int *mode) -{ - int rv; - int reg; - - rv = raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_0, ®); - if (rv) - return rv; - - *mode = !!(reg & BQ25710_CHARGE_OPTION_0_LOW_POWER_MODE); - - return EC_SUCCESS; -} - -static int bq25710_set_low_power_mode(int chgnum, int enable) -{ - int rv; - int reg; - - rv = raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_0, ®); - if (rv) - return rv; - -#ifdef CONFIG_CHARGER_BQ25710_IDCHG_LIMIT_MA - mutex_lock(&bq25710_perf_mode_mutex); - /* - * Performance mode means not in low power mode. The bit that controls - * this is EN_LWPWR in ChargeOption0. The 'enable' param in this - * function is refeerring to low power mode, so enabling low power mode - * means disabling performance mode and vice versa. - */ - if (enable) - bq25710_perf_mode_req &= ~(1 << task_get_current()); - else - bq25710_perf_mode_req |= (1 << task_get_current()); - enable = !bq25710_perf_mode_req; -#endif - - if (enable) - reg |= BQ25710_CHARGE_OPTION_0_LOW_POWER_MODE; - else - reg &= ~BQ25710_CHARGE_OPTION_0_LOW_POWER_MODE; - - rv = raw_write16(chgnum, BQ25710_REG_CHARGE_OPTION_0, reg); -#ifdef CONFIG_CHARGER_BQ25710_IDCHG_LIMIT_MA - mutex_unlock(&bq25710_perf_mode_mutex); -#endif - if (rv) - return rv; - - return EC_SUCCESS; -} - -static int bq25710_adc_start(int chgnum, int adc_en_mask) -{ - int reg; - int mode; - int tries_left = BQ25710_ADC_OPTION_ADC_CONV_MS; - - /* Save current mode to restore same state after ADC read */ - if (bq25710_get_low_power_mode(chgnum, &mode)) - return EC_ERROR_UNKNOWN; - - /* Exit low power mode so ADC conversion takes typical time */ - if (bq25710_set_low_power_mode(chgnum, 0)) - return EC_ERROR_UNKNOWN; - - /* - * Turn on the ADC for one reading. Note that adc_en_mask - * maps to bit[7:0] in ADCOption register. - */ - reg = (adc_en_mask & BQ25710_ADC_OPTION_EN_ADC_ALL) | - BQ25710_ADC_OPTION_ADC_START; - if (raw_write16(chgnum, BQ25710_REG_ADC_OPTION, reg)) - return EC_ERROR_UNKNOWN; - - /* - * Wait until the ADC operation completes. The spec says typical - * conversion time is 10 msec (25 msec on bq25720). If low power - * mode isn't exited first, then the conversion time jumps to - * ~60 msec. - */ - do { - /* sleep 2 ms so we time out after 2x the expected time */ - msleep(2); - raw_read16(chgnum, BQ25710_REG_ADC_OPTION, ®); - } while (--tries_left && (reg & BQ25710_ADC_OPTION_ADC_START)); - - /* ADC reading attempt complete, go back to low power mode */ - if (bq25710_set_low_power_mode(chgnum, mode)) - return EC_ERROR_UNKNOWN; - - /* Could not complete read */ - if (reg & BQ25710_ADC_OPTION_ADC_START) - return EC_ERROR_TIMEOUT; - - return EC_SUCCESS; -} -#endif - -static void bq25710_init(int chgnum) -{ - int reg; - int vsys; - int rv; - - /* - * Reset registers to their default settings. There is no reset pin for - * this chip so without a full power cycle, some registers may not be at - * their default values. Note, need to save the POR value of - * MIN_SYSTEM_VOLTAGE register prior to setting the reset so that the - * correct value is preserved. In order to have the correct value read, - * the bq25710 must not be in low power mode, otherwise the VDDA rail - * may not be powered if AC is not connected. Note, this reset is only - * required when running out of RO and not following sysjump to RW. - */ - if (!system_jumped_late()) { - rv = bq25710_set_low_power_mode(chgnum, 0); - /* Allow enough time for VDDA to be powered */ - msleep(BQ25710_VDDA_STARTUP_DELAY_MSEC); - rv |= raw_read16(chgnum, BQ25710_REG_MIN_SYSTEM_VOLTAGE, &vsys); - rv |= raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_3, ®); - if (!rv) { - reg |= BQ25710_CHARGE_OPTION_3_RESET_REG; - /* Set all registers to default values */ - raw_write16(chgnum, BQ25710_REG_CHARGE_OPTION_3, reg); - /* Restore VSYS_MIN voltage to POR reset value */ - raw_write16(chgnum, BQ25710_REG_MIN_SYSTEM_VOLTAGE, - vsys); - } - /* Reenable low power mode */ - bq25710_set_low_power_mode(chgnum, 1); - } - - if (!raw_read16(chgnum, BQ25710_REG_PROCHOT_OPTION_1, ®)) { - /* Disable VDPM prochot profile at initialization */ - reg &= ~BQ25710_PROCHOT_PROFILE_VDPM; - /* - * Enable PROCHOT to be asserted with VSYS min detection. Note - * that when no battery is present, then VSYS will be set to the - * value in register 0x3E (MinSysVoltage) which means that when - * no battery is present prochot will continuosly be asserted. - */ - reg |= BQ25710_PROCHOT_PROFILE_VSYS; -#ifdef CONFIG_CHARGER_BQ25710_IDCHG_LIMIT_MA - /* - * Set the IDCHG limit who's value is defined in the config - * option in mA. Also, enable IDCHG trigger for prochot. - */ - reg &= ~BQ25710_PROCHOT_IDCHG_VTH_MASK; - /* - * IDCHG limit is in 512 mA steps. Note there is a 128 mA offset - * so the actual IDCHG limit will be the value stored in bits - * 15:10 + 128 mA. - */ - reg |= ((CONFIG_CHARGER_BQ25710_IDCHG_LIMIT_MA << 1) & - BQ25710_PROCHOT_IDCHG_VTH_MASK); - reg |= BQ25710_PROCHOT_PROFILE_IDCHG; -#endif - raw_write16(chgnum, BQ25710_REG_PROCHOT_OPTION_1, reg); -#ifdef CONFIG_CHARGER_BQ25720_VSYS_TH2_DV - /* - * The default VSYS_TH2 is 5.9v for a 2S config. Boards - * may need to increase this for stability. PROCHOT is - * asserted when the threshold is reached. - */ - if (!raw_read16(chgnum, BQ25720_REG_VMIN_ACTIVE_PROTECTION, - ®)) { - reg &= ~BQ25720_VMIN_AP_VSYS_TH2_MASK; - reg |= VMIN_AP_VSYS_TH2_TO_REG( - CONFIG_CHARGER_BQ25720_VSYS_TH2_DV) << - BQ25720_VMIN_AP_VSYS_TH2_SHIFT; - raw_write16(chgnum, BQ25720_REG_VMIN_ACTIVE_PROTECTION, - reg); - } -#endif - } - - /* Reduce ILIM from default of 150% to 105% */ - if (!raw_read16(chgnum, BQ25710_REG_PROCHOT_OPTION_0, ®)) { - reg &= ~BQ25710_PROCHOT0_ILIM_VTH_MASK; - raw_write16(chgnum, BQ25710_REG_PROCHOT_OPTION_0, reg); - } - - /* - * Reduce peak power mode overload and relax cycle time from default 20 - * msec to the minimum of 5 msec. - */ - if (!raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_2, ®)) { - reg &= ~BQ25710_CHARGE_OPTION_2_TMAX_MASK; - raw_write16(chgnum, BQ25710_REG_CHARGE_OPTION_2, reg); - } -} - -/* Charger interfaces */ -static const struct charger_info *bq25710_get_info(int chgnum) -{ - return &bq25710_charger_info; -} - -static enum ec_error_list bq25710_post_init(int chgnum) -{ - /* - * Note: bq25710 power on reset state is: - * watch dog timer = 175 sec - * input current limit = ~1/2 maximum setting - * charging voltage = 0 mV - * charging current = 0 mA - * discharge on AC = disabled - */ - - return EC_SUCCESS; -} - -static enum ec_error_list bq25710_get_status(int chgnum, int *status) -{ - int rv; - int option; - - rv = bq25710_get_option(chgnum, &option); - if (rv) - return rv; - - /* Default status */ - *status = CHARGER_LEVEL_2; - - if (option & BQ25710_CHARGE_OPTION_0_CHRG_INHIBIT) - *status |= CHARGER_CHARGE_INHIBITED; - - return EC_SUCCESS; -} - -static enum ec_error_list bq25710_set_mode(int chgnum, int mode) -{ - int rv; - int option; - - rv = bq25710_get_option(chgnum, &option); - if (rv) - return rv; - - if (mode & CHARGER_CHARGE_INHIBITED) - option |= BQ25710_CHARGE_OPTION_0_CHRG_INHIBIT; - else - option &= ~BQ25710_CHARGE_OPTION_0_CHRG_INHIBIT; - - return bq25710_set_option(chgnum, option); -} - -static enum ec_error_list bq25710_enable_otg_power(int chgnum, int enabled) -{ - /* This is controlled with the EN_OTG pin. Support not added yet. */ - return EC_ERROR_UNIMPLEMENTED; -} - -static enum ec_error_list bq25710_set_otg_current_voltage(int chgum, - int output_current, - int output_voltage) -{ - /* Add when needed. */ - return EC_ERROR_UNIMPLEMENTED; -} - -static enum ec_error_list bq25710_get_current(int chgnum, int *current) -{ - int rv, reg; - - rv = raw_read16(chgnum, BQ25710_REG_CHARGE_CURRENT, ®); - if (!rv) - *current = REG_TO_CHARGING_CURRENT(reg); - - return rv; -} - -static enum ec_error_list bq25710_set_current(int chgnum, int current) -{ - return raw_write16(chgnum, BQ25710_REG_CHARGE_CURRENT, - CHARGING_CURRENT_TO_REG(current)); -} - -/* Get/set charge voltage limit in mV */ -static enum ec_error_list bq25710_get_voltage(int chgnum, int *voltage) -{ - return raw_read16(chgnum, BQ25710_REG_MAX_CHARGE_VOLTAGE, voltage); -} - -static enum ec_error_list bq25710_set_voltage(int chgnum, int voltage) -{ - return raw_write16(chgnum, BQ25710_REG_MAX_CHARGE_VOLTAGE, voltage); -} - -/* Discharge battery when on AC power. */ -static enum ec_error_list bq25710_discharge_on_ac(int chgnum, int enable) -{ - int rv, option; - - rv = bq25710_get_option(chgnum, &option); - if (rv) - return rv; - - if (enable) - option |= BQ25710_CHARGE_OPTION_0_EN_LEARN; - else - option &= ~BQ25710_CHARGE_OPTION_0_EN_LEARN; - - return bq25710_set_option(chgnum, option); -} - -static enum ec_error_list bq25710_set_input_current_limit(int chgnum, - int input_current) -{ - int num_steps = iin_host_current_to_reg(input_current); - - return raw_write16(chgnum, BQ25710_REG_IIN_HOST, - num_steps << BQ25710_IIN_HOST_CURRENT_SHIFT); -} - -static enum ec_error_list bq25710_get_input_current_limit(int chgnum, - int *input_current) -{ - int rv, reg; - - /* - * IIN_DPM register reflects the actual input current limit programmed - * in the register, either from host or from ICO. After ICO, the - * current limit used by DPM regulation may differ from the IIN_HOST - * register settings. - */ - rv = raw_read16(chgnum, BQ25710_REG_IIN_DPM, ®); - if (!rv) - *input_current = - iin_dpm_reg_to_current(reg >> - BQ25710_IIN_DPM_CURRENT_SHIFT); - - return rv; -} - -static enum ec_error_list bq25710_manufacturer_id(int chgnum, int *id) -{ - return raw_read16(chgnum, BQ25710_REG_MANUFACTURER_ID, id); -} - -static enum ec_error_list bq25710_device_id(int chgnum, int *id) -{ - return raw_read16(chgnum, BQ25710_REG_DEVICE_ADDRESS, id); -} - -#ifdef CONFIG_USB_PD_VBUS_MEASURE_CHARGER - -#if defined(CONFIG_CHARGER_BQ25720) - -static int reg_adc_vbus_to_mv(int reg) -{ - /* - * LSB => 96mV, no DC offset. - */ - return reg * BQ25720_ADC_VBUS_STEP_MV; -} - -#elif defined(CONFIG_CHARGER_BQ25710) - -static int reg_adc_vbus_to_mv(int reg) -{ - /* - * LSB => 64mV. - * Return 0 when VBUS <= 3.2V as ADC can't measure it. - */ - return reg ? - (reg * BQ25710_ADC_VBUS_STEP_MV + BQ25710_ADC_VBUS_BASE_MV) : 0; -} - -#else -#error Only the BQ25720 and BQ25710 are supported by bq25710 driver. -#endif - -static enum ec_error_list bq25710_get_vbus_voltage(int chgnum, int port, - int *voltage) -{ - int reg, rv; - - rv = bq25710_adc_start(chgnum, BQ25710_ADC_OPTION_EN_ADC_VBUS); - if (rv) - goto error; - - /* Read ADC value */ - rv = raw_read16(chgnum, BQ25710_REG_ADC_VBUS_PSYS, ®); - if (rv) - goto error; - - reg >>= BQ25710_ADC_VBUS_STEP_BIT_OFFSET; - *voltage = reg_adc_vbus_to_mv(reg); - -error: - if (rv) - CPRINTF("Could not read VBUS ADC! Error: %d\n", rv); - return rv; -} -#endif - -static enum ec_error_list bq25710_get_option(int chgnum, int *option) -{ - /* There are 4 option registers, but we only need the first for now. */ - return raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_0, option); -} - -static enum ec_error_list bq25710_set_option(int chgnum, int option) -{ - /* There are 4 option registers, but we only need the first for now. */ - return raw_write16(chgnum, BQ25710_REG_CHARGE_OPTION_0, option); -} - -int bq25710_set_min_system_voltage(int chgnum, int mv) -{ - int reg; - - reg = min_system_voltage_to_reg(mv); - return raw_write16(chgnum, BQ25710_REG_MIN_SYSTEM_VOLTAGE, reg); -} - -#ifdef CONFIG_CHARGE_RAMP_HW - -static void bq25710_chg_ramp_handle(void) -{ - int ramp_curr; - int chgnum = 0; - - if (IS_ENABLED(CONFIG_OCPC)) - chgnum = charge_get_active_chg_chip(); - - /* - * Once the charge ramp is stable write back the stable ramp - * current to the host input current limit register - */ - ramp_curr = chg_ramp_get_current_limit(); - if (chg_ramp_is_stable()) { - if (ramp_curr && - !charger_set_input_current_limit(chgnum, ramp_curr)) - CPRINTF("bq25710: stable ramp current=%d\n", ramp_curr); - } else { - CPRINTF("bq25710: ICO stall, ramp current=%d\n", ramp_curr); - } - /* - * Disable ICO mode. When ICO mode is active the input current limit is - * given by the value in register IIN_DPM (0x22) - */ - charger_set_hw_ramp(0); -} -DECLARE_DEFERRED(bq25710_chg_ramp_handle); - -static enum ec_error_list bq25710_set_hw_ramp(int chgnum, int enable) -{ - int option3_reg, option2_reg, rv; - - rv = raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_3, &option3_reg); - if (rv) - return rv; - rv = raw_read16(chgnum, BQ25710_REG_CHARGE_OPTION_2, &option2_reg); - if (rv) - return rv; - - if (enable) { - /* - * ICO mode can only be used when a battery is present. If there - * is no battery, or if the battery has not recovered yet from - * cutoff, then enabling ICO mode will lead to VSYS - * dropping out. - */ - if (!battery_is_present() || (battery_get_disconnect_state() != - BATTERY_NOT_DISCONNECTED)) { - CPRINTF("bq25710: no battery, skip ICO enable\n"); - return EC_ERROR_UNKNOWN; - } - - /* Set InputVoltage register to BC1.2 minimum ramp voltage */ - rv = raw_write16(chgnum, BQ25710_REG_INPUT_VOLTAGE, - BQ25710_BC12_MIN_VOLTAGE_MV); - if (rv) - return rv; - - /* Enable ICO algorithm */ - option3_reg |= BQ25710_CHARGE_OPTION_3_EN_ICO_MODE; - - /* 0b: Input current limit is set by BQ25710_REG_IIN_HOST */ - option2_reg &= ~BQ25710_CHARGE_OPTION_2_EN_EXTILIM; - - /* Charge ramp may take up to 2s to settle down */ - hook_call_deferred(&bq25710_chg_ramp_handle_data, (4 * SECOND)); - } else { - /* Disable ICO algorithm */ - option3_reg &= ~BQ25710_CHARGE_OPTION_3_EN_ICO_MODE; - - /* - * 1b: Input current limit is set by the lower value of - * ILIM_HIZ pin and BQ25710_REG_IIN_HOST - */ - option2_reg |= BQ25710_CHARGE_OPTION_2_EN_EXTILIM; - } - - rv = raw_write16(chgnum, BQ25710_REG_CHARGE_OPTION_2, option2_reg); - if (rv) - return rv; - return raw_write16(chgnum, BQ25710_REG_CHARGE_OPTION_3, option3_reg); -} - -static int bq25710_ramp_is_stable(int chgnum) -{ - int reg; - - if (raw_read16(chgnum, BQ25710_REG_CHARGER_STATUS, ®)) - return 0; - - return reg & BQ25710_CHARGE_STATUS_ICO_DONE; -} - -static int bq25710_ramp_get_current_limit(int chgnum) -{ - int reg, rv; - - rv = raw_read16(chgnum, BQ25710_REG_IIN_DPM, ®); - if (rv) { - CPRINTF("Could not read iin_dpm current limit! Error: %d\n", - rv); - return 0; - } - - return iin_dpm_reg_to_current(reg >> BQ25710_IIN_DPM_CURRENT_SHIFT); -} -#endif /* CONFIG_CHARGE_RAMP_HW */ - -#ifdef CONFIG_CHARGER_BQ25710_IDCHG_LIMIT_MA -/* Called on AP S5 -> S3 and S3/S0iX -> S0 transition */ -static void bq25710_chipset_startup(void) -{ - bq25710_set_low_power_mode(CHARGER_SOLO, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, bq25710_chipset_startup, HOOK_PRIO_DEFAULT); -DECLARE_HOOK(HOOK_CHIPSET_RESUME, bq25710_chipset_startup, HOOK_PRIO_DEFAULT); - - -/* Called on AP S0 -> S0iX/S3 or S3 -> S5 transition */ -static void bq25710_chipset_suspend(void) -{ - bq25710_set_low_power_mode(CHARGER_SOLO, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, bq25710_chipset_suspend, HOOK_PRIO_DEFAULT); -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, bq25710_chipset_suspend, HOOK_PRIO_DEFAULT); -#endif - -#ifdef CONFIG_CMD_CHARGER_DUMP -static int console_bq25710_dump_regs(int argc, char **argv) -{ - int i; - int val; - int chgnum = 0; - char *e; - - /* Dump all readable registers on bq25710. */ - static const uint8_t regs[] = { - BQ25710_REG_CHARGE_OPTION_0, - BQ25710_REG_CHARGE_CURRENT, - BQ25710_REG_MAX_CHARGE_VOLTAGE, - BQ25710_REG_CHARGER_STATUS, - BQ25710_REG_PROCHOT_STATUS, - BQ25710_REG_IIN_DPM, - BQ25710_REG_ADC_VBUS_PSYS, - BQ25710_REG_ADC_IBAT, - BQ25710_REG_ADC_CMPIN_IIN, - BQ25710_REG_ADC_VSYS_VBAT, - BQ25710_REG_CHARGE_OPTION_1, - BQ25710_REG_CHARGE_OPTION_2, - BQ25710_REG_CHARGE_OPTION_3, - BQ25710_REG_PROCHOT_OPTION_0, - BQ25710_REG_PROCHOT_OPTION_1, - BQ25710_REG_ADC_OPTION, -#ifdef CONFIG_CHARGER_BQ25720 - BQ25720_REG_CHARGE_OPTION_4, - BQ25720_REG_VMIN_ACTIVE_PROTECTION, -#endif - BQ25710_REG_OTG_VOLTAGE, - BQ25710_REG_OTG_CURRENT, - BQ25710_REG_INPUT_VOLTAGE, - BQ25710_REG_MIN_SYSTEM_VOLTAGE, - BQ25710_REG_IIN_HOST, - BQ25710_REG_MANUFACTURER_ID, - BQ25710_REG_DEVICE_ADDRESS, - }; - if (argc >= 2) { - chgnum = strtoi(argv[1], &e, 10); - if (*e) - return EC_ERROR_PARAM1; - } - - for (i = 0; i < ARRAY_SIZE(regs); ++i) { - if (raw_read16(chgnum, regs[i], &val)) - continue; - ccprintf("BQ25710 REG 0x%02x: 0x%04x\n", regs[i], val); - } - - - return 0; -} -DECLARE_CONSOLE_COMMAND(charger_dump, console_bq25710_dump_regs, - "charger_dump <chgnum>", - "Dump all charger registers"); - -#endif /* CONFIG_CMD_CHARGER_DUMP */ - -const struct charger_drv bq25710_drv = { - .init = &bq25710_init, - .post_init = &bq25710_post_init, - .get_info = &bq25710_get_info, - .get_status = &bq25710_get_status, - .set_mode = &bq25710_set_mode, - .enable_otg_power = &bq25710_enable_otg_power, - .set_otg_current_voltage = &bq25710_set_otg_current_voltage, - .get_current = &bq25710_get_current, - .set_current = &bq25710_set_current, - .get_voltage = &bq25710_get_voltage, - .set_voltage = &bq25710_set_voltage, - .discharge_on_ac = &bq25710_discharge_on_ac, - .get_vbus_voltage = &bq25710_get_vbus_voltage, - .set_input_current_limit = &bq25710_set_input_current_limit, - .get_input_current_limit = &bq25710_get_input_current_limit, - .manufacturer_id = &bq25710_manufacturer_id, - .device_id = &bq25710_device_id, - .get_option = &bq25710_get_option, - .set_option = &bq25710_set_option, -#ifdef CONFIG_CHARGE_RAMP_HW - .set_hw_ramp = &bq25710_set_hw_ramp, - .ramp_is_stable = &bq25710_ramp_is_stable, - .ramp_get_current_limit = &bq25710_ramp_get_current_limit, -#endif /* CONFIG_CHARGE_RAMP_HW */ -}; |