diff options
Diffstat (limited to 'common/charger.c')
| -rw-r--r-- | common/charger.c | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/common/charger.c b/common/charger.c deleted file mode 100644 index 764f8b7ba7..0000000000 --- a/common/charger.c +++ /dev/null @@ -1,712 +0,0 @@ -/* Copyright 2013 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. - * - * Common functions for battery charging. - */ - -#include "battery_smart.h" -#include "charge_state_v2.h" -#include "charger.h" -#include "common.h" -#include "console.h" -#include "dptf.h" -#include "host_command.h" -#include "printf.h" -#include "util.h" -#include "hooks.h" - -/* Console output macros */ -#define CPUTS(outstr) cputs(CC_CHARGER, outstr) -#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args) - -/* DPTF current limit, -1 = none */ -static int dptf_limit_ma = -1; - -void dptf_set_charging_current_limit(int ma) -{ - dptf_limit_ma = ma >= 0 ? ma : -1; -} - -int dptf_get_charging_current_limit(void) -{ - return dptf_limit_ma; -} - -static void dptf_disable_hook(void) -{ - /* Before get to Sx, EC should take control of charger from DPTF */ - dptf_limit_ma = -1; -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, dptf_disable_hook, HOOK_PRIO_DEFAULT); -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, dptf_disable_hook, HOOK_PRIO_DEFAULT); - -/* - * Boards should override this function if their count may vary during run-time - * due to different DB options. - */ -__overridable uint8_t board_get_charger_chip_count(void) -{ - return CHARGER_NUM; -} - -int charger_closest_voltage(int voltage) -{ - const struct charger_info *info = charger_get_info(); - - /* - * If the requested voltage is non-zero but below our minimum, - * return the minimum. See crosbug.com/p/8662. - */ - if (voltage > 0 && voltage < info->voltage_min) - return info->voltage_min; - - /* Clip to max */ - if (voltage > info->voltage_max) - return info->voltage_max; - - /* Otherwise round down to nearest voltage step */ - return voltage - (voltage % info->voltage_step); -} - -int charger_closest_current(int current) -{ - const struct charger_info * const info = charger_get_info(); - - /* Apply DPTF limit if necessary */ - if (dptf_limit_ma >= 0 && current > dptf_limit_ma) - current = dptf_limit_ma; - - /* - * If the requested current is non-zero but below our minimum, - * return the minimum. See crosbug.com/p/8662. - */ - if (current > 0 && current < info->current_min) - return info->current_min; - - /* Clip to max */ - if (current > info->current_max) - return info->current_max; - - /* Otherwise round down to nearest current step */ - return current - (current % info->current_step); -} - -void charger_get_params(struct charger_params *chg) -{ - int chgnum = 0; - - if (IS_ENABLED(CONFIG_OCPC)) - chgnum = charge_get_active_chg_chip(); - - memset(chg, 0, sizeof(*chg)); - - /* - * Only the primary charger(0) can tightly regulate the current, - * therefore always query the primary charger. - */ - if (charger_get_current(0, &chg->current)) - chg->flags |= CHG_FLAG_BAD_CURRENT; - - if (charger_get_voltage(chgnum, &chg->voltage)) - chg->flags |= CHG_FLAG_BAD_VOLTAGE; - - if (charger_get_input_current_limit(chgnum, &chg->input_current)) - chg->flags |= CHG_FLAG_BAD_INPUT_CURRENT; - - if (charger_get_status(&chg->status)) - chg->flags |= CHG_FLAG_BAD_STATUS; - - if (charger_get_option(&chg->option)) - chg->flags |= CHG_FLAG_BAD_OPTION; -} - -static void print_item_name(const char *name) -{ - ccprintf(" %-8s", name); -} - -static int check_print_error(int rv) -{ - if (rv == EC_SUCCESS) - return 1; - ccputs(rv == EC_ERROR_UNIMPLEMENTED ? "(unsupported)\n" : "(error)\n"); - return 0; -} - -void print_charger_debug(int chgnum) -{ - int d; - const struct charger_info *info = charger_get_info(); - - /* info */ - print_item_name("Name:"); - ccprintf("%s\n", info->name); - - /* option */ - print_item_name("Option:"); - if (check_print_error(charger_get_option(&d))) - ccprintf("%pb (0x%04x)\n", BINARY_VALUE(d, 16), d); - - /* manufacturer id */ - print_item_name("Man id:"); - if (check_print_error(charger_manufacturer_id(&d))) - ccprintf("0x%04x\n", d); - - /* device id */ - print_item_name("Dev id:"); - if (check_print_error(charger_device_id(&d))) - ccprintf("0x%04x\n", d); - - /* charge voltage limit */ - print_item_name("V_batt:"); - if (check_print_error(charger_get_voltage(chgnum, &d))) - ccprintf("%5d (%4d - %5d, %3d)\n", d, info->voltage_min, - info->voltage_max, info->voltage_step); - - /* charge current limit */ - print_item_name("I_batt:"); - if (check_print_error(charger_get_current(chgnum, &d))) - ccprintf("%5d (%4d - %5d, %3d)\n", d, info->current_min, - info->current_max, info->current_step); - - /* input current limit */ - print_item_name("I_in:"); - if (check_print_error(charger_get_input_current_limit(chgnum, &d))) - ccprintf("%5d (%4d - %5d, %3d)\n", d, info->input_current_min, - info->input_current_max, info->input_current_step); - - /* dptf current limit */ - print_item_name("I_dptf:"); - if (dptf_limit_ma >= 0) - ccprintf("%5d\n", dptf_limit_ma); - else - ccputs("disabled\n"); -} - -static int command_charger(int argc, char **argv) -{ - int d; - char *e; - int idx_provided = 0; - int chgnum; - - if (argc == 1) { - print_charger_debug(0); - return EC_SUCCESS; - } - - idx_provided = isdigit((unsigned char)argv[1][0]); - if (idx_provided) - chgnum = atoi(argv[1]); - else - chgnum = 0; - - if ((argc == 2) && idx_provided) { - print_charger_debug(chgnum); - return EC_SUCCESS; - } - - if (strcasecmp(argv[1+idx_provided], "input") == 0) { - d = strtoi(argv[2+idx_provided], &e, 0); - if (*e) - return EC_ERROR_PARAM2+idx_provided; - return charger_set_input_current_limit(chgnum, d); - } else if (strcasecmp(argv[1+idx_provided], "current") == 0) { - d = strtoi(argv[2+idx_provided], &e, 0); - if (*e) - return EC_ERROR_PARAM2+idx_provided; - chgstate_set_manual_current(d); - return charger_set_current(chgnum, d); - } else if (strcasecmp(argv[1+idx_provided], "voltage") == 0) { - d = strtoi(argv[2+idx_provided], &e, 0); - if (*e) - return EC_ERROR_PARAM2+idx_provided; - chgstate_set_manual_voltage(d); - return charger_set_voltage(chgnum, d); - } else if (strcasecmp(argv[1+idx_provided], "dptf") == 0) { - d = strtoi(argv[2+idx_provided], &e, 0); - if (*e) - return EC_ERROR_PARAM2+idx_provided; - dptf_limit_ma = d; - return EC_SUCCESS; - } else { - return EC_ERROR_PARAM1+idx_provided; - } -} - -DECLARE_CONSOLE_COMMAND(charger, command_charger, - "[chgnum] [input | current | voltage | dptf] [newval]", - "Get or set charger param(s)"); - -/* Driver wrapper functions */ - -static void charger_chips_init(void) -{ - int chip; - - for (chip = 0; chip < board_get_charger_chip_count(); chip++) { - if (chg_chips[chip].drv->init) - chg_chips[chip].drv->init(chip); - } -} -DECLARE_HOOK(HOOK_INIT, charger_chips_init, HOOK_PRIO_INIT_I2C + 1); - -enum ec_error_list charger_post_init(void) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->post_init) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->post_init(chgnum); -} - -const struct charger_info *charger_get_info(void) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return NULL; - } - - if (!chg_chips[chgnum].drv->get_info) - return NULL; - - return chg_chips[chgnum].drv->get_info(chgnum); -} - -enum ec_error_list charger_get_status(int *status) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_status) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_status(chgnum, status); -} - -enum ec_error_list charger_set_mode(int mode) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_mode) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_mode(chgnum, mode); -} - -enum ec_error_list charger_enable_otg_power(int chgnum, int enabled) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->enable_otg_power) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->enable_otg_power(chgnum, enabled); -} - -enum ec_error_list charger_set_otg_current_voltage(int chgnum, - int output_current, - int output_voltage) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_otg_current_voltage) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_otg_current_voltage( - chgnum, output_current, output_voltage); -} - -int charger_is_sourcing_otg_power(int port) -{ - int chgnum = 0; - - if (IS_ENABLED(CONFIG_OCPC)) - chgnum = port; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return 0; - } - - if (!chg_chips[chgnum].drv->is_sourcing_otg_power) - return 0; - - return chg_chips[chgnum].drv->is_sourcing_otg_power(chgnum, port); -} - -enum ec_error_list charger_get_actual_current(int chgnum, int *current) -{ - /* Note: chgnum may be -1 if no active port is selected */ - if (chgnum < 0) - return EC_ERROR_INVAL; - - if (chgnum >= board_get_charger_chip_count()) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_actual_current) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_actual_current(chgnum, current); -} - -enum ec_error_list charger_get_current(int chgnum, int *current) -{ - /* Note: chgnum may be -1 if no active port is selected */ - if (chgnum < 0) - return EC_ERROR_INVAL; - - if (chgnum >= board_get_charger_chip_count()) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_current) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_current(chgnum, current); -} - -enum ec_error_list charger_set_current(int chgnum, int current) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_current) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_current(chgnum, current); -} - -enum ec_error_list charger_get_actual_voltage(int chgnum, int *voltage) -{ - if (chgnum < 0) - return EC_ERROR_INVAL; - - if (chgnum >= board_get_charger_chip_count()) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_actual_voltage) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_actual_voltage(chgnum, voltage); -} - -enum ec_error_list charger_get_voltage(int chgnum, int *voltage) -{ - if (chgnum < 0) - return EC_ERROR_INVAL; - - if (chgnum >= board_get_charger_chip_count()) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_voltage) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_voltage(chgnum, voltage); -} - -enum ec_error_list charger_set_voltage(int chgnum, int voltage) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_voltage) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_voltage(chgnum, voltage); -} - -enum ec_error_list charger_discharge_on_ac(int enable) -{ - int chgnum; - int rv = EC_ERROR_UNIMPLEMENTED; - - if (IS_ENABLED(CONFIG_CHARGER_DISCHARGE_ON_AC_CUSTOM)) - return board_discharge_on_ac(enable); - - /* - * When discharge on AC is selected, cycle through all chargers to - * enable or disable this feature. - */ - for (chgnum = 0; chgnum < board_get_charger_chip_count(); chgnum++) { - if (chg_chips[chgnum].drv->discharge_on_ac) - rv = chg_chips[chgnum].drv->discharge_on_ac(chgnum, - enable); - } - - return rv; -} - -enum ec_error_list charger_get_vbus_voltage(int port, int *voltage) -{ - int chgnum = 0; - - /* Note: Assumes USBPD port == chgnum on multi-charger systems */ - if (!IS_ENABLED(CONFIG_CHARGER_SINGLE_CHIP)) - chgnum = port; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return 0; - } - - if (!chg_chips[chgnum].drv->get_vbus_voltage) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_vbus_voltage(chgnum, port, voltage); -} - -enum ec_error_list charger_set_input_current_limit(int chgnum, - int input_current) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_input_current_limit) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_input_current_limit(chgnum, - input_current); -} - -enum ec_error_list charger_get_input_current_limit(int chgnum, - int *input_current) -{ - /* Note: may be called with CHARGE_PORT_NONE regularly */ - if (chgnum < 0) - return EC_ERROR_INVAL; - - if (chgnum >= board_get_charger_chip_count()) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_input_current_limit) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_input_current_limit(chgnum, - input_current); -} - -enum ec_error_list charger_get_input_current(int chgnum, int *input_current) -{ - if (chgnum < 0) - return EC_ERROR_INVAL; - - if (chgnum >= board_get_charger_chip_count()) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_input_current) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_input_current(chgnum, input_current); -} - -enum ec_error_list charger_manufacturer_id(int *id) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->manufacturer_id) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->manufacturer_id(chgnum, id); -} - -enum ec_error_list charger_device_id(int *id) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->device_id) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->device_id(chgnum, id); -} - -enum ec_error_list charger_get_option(int *option) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->get_option) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->get_option(chgnum, option); -} - -enum ec_error_list charger_set_option(int option) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_option) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_option(chgnum, option); -} - -enum ec_error_list charger_set_hw_ramp(int enable) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (!chg_chips[chgnum].drv->set_hw_ramp) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_hw_ramp(chgnum, enable); -} - -#ifdef CONFIG_CHARGE_RAMP_HW -int chg_ramp_is_stable(void) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return 0; - } - - if (!chg_chips[chgnum].drv->ramp_is_stable) - return 0; - - return chg_chips[chgnum].drv->ramp_is_stable(chgnum); -} - -int chg_ramp_is_detected(void) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return 0; - } - - if (!chg_chips[chgnum].drv->ramp_is_detected) - return 0; - - return chg_chips[chgnum].drv->ramp_is_detected(chgnum); -} - -int chg_ramp_get_current_limit(void) -{ - int chgnum = 0; - - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return 0; - } - - if (!chg_chips[chgnum].drv->ramp_get_current_limit) - return 0; - - return chg_chips[chgnum].drv->ramp_get_current_limit(chgnum); -} -#endif - -enum ec_error_list charger_set_vsys_compensation(int chgnum, - struct ocpc_data *ocpc, - int current_ma, - int voltage_mv) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - /* - * This shouldn't happen as this should only be called on chargers - * that support this. - */ - if (!chg_chips[chgnum].drv->set_vsys_compensation) - return EC_ERROR_UNIMPLEMENTED; - - return chg_chips[chgnum].drv->set_vsys_compensation( - chgnum, ocpc, current_ma, voltage_mv); -} - -enum ec_error_list charger_is_icl_reached(int chgnum, bool *reached) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (chg_chips[chgnum].drv->is_icl_reached) - return chg_chips[chgnum].drv->is_icl_reached(chgnum, reached); - - return EC_ERROR_UNIMPLEMENTED; -} - -enum ec_error_list charger_enable_linear_charge(int chgnum, bool enable) -{ - if ((chgnum < 0) || (chgnum >= board_get_charger_chip_count())) { - CPRINTS("%s(%d) Invalid charger!", __func__, chgnum); - return EC_ERROR_INVAL; - } - - if (chg_chips[chgnum].drv->enable_linear_charge) - return chg_chips[chgnum].drv->enable_linear_charge(chgnum, - enable); - - return EC_ERROR_UNIMPLEMENTED; -} |