diff options
Diffstat (limited to 'common/charger.c')
| -rw-r--r-- | common/charger.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/common/charger.c b/common/charger.c deleted file mode 100644 index 7ee80a9c23..0000000000 --- a/common/charger.c +++ /dev/null @@ -1,211 +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); - -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) -{ - memset(chg, 0, sizeof(*chg)); - - if (charger_get_current(&chg->current)) - chg->flags |= CHG_FLAG_BAD_CURRENT; - - if (charger_get_voltage(&chg->voltage)) - chg->flags |= CHG_FLAG_BAD_VOLTAGE; - - if (charger_get_input_current(&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(void) -{ - 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(&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(&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(&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; - - if (argc != 3) { - print_charger_debug(); - return EC_SUCCESS; - } - - if (strcasecmp(argv[1], "input") == 0) { - d = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - return charger_set_input_current(d); - } else if (strcasecmp(argv[1], "current") == 0) { - d = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - chgstate_set_manual_current(d); - return charger_set_current(d); - } else if (strcasecmp(argv[1], "voltage") == 0) { - d = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - chgstate_set_manual_voltage(d); - return charger_set_voltage(d); - } else if (strcasecmp(argv[1], "dptf") == 0) { - d = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - dptf_limit_ma = d; - return EC_SUCCESS; - } else - return EC_ERROR_PARAM1; -} - -DECLARE_CONSOLE_COMMAND(charger, command_charger, - "[input | current | voltage | dptf] [newval]", - "Get or set charger param(s)"); |