^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * sbs.c - ACPI Smart Battery System Driver ($Revision: 2.0 $)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2007 Alexey Starikovskiy <astarikovskiy@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 2005-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/platform_data/x86/apple.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <acpi/battery.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "sbshc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define PREFIX "ACPI: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define ACPI_SBS_CLASS "sbs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define ACPI_AC_CLASS "ac_adapter"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define ACPI_SBS_DEVICE_NAME "Smart Battery System"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define ACPI_BATTERY_DIR_NAME "BAT%i"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define ACPI_AC_DIR_NAME "AC0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define ACPI_SBS_NOTIFY_STATUS 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define ACPI_SBS_NOTIFY_INFO 0x81
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static unsigned int cache_time = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) module_param(cache_time, uint, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define MAX_SBS_BAT 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define ACPI_SBS_BLOCK_MAX 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static const struct acpi_device_id sbs_device_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {"ACPI0002", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {"", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct acpi_battery {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct power_supply *bat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct power_supply_desc bat_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct acpi_sbs *sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) unsigned long update_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) char name[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) char manufacturer_name[ACPI_SBS_BLOCK_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) char device_name[ACPI_SBS_BLOCK_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) char device_chemistry[ACPI_SBS_BLOCK_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) u16 alarm_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) u16 full_charge_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) u16 design_capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) u16 design_voltage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) u16 serial_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) u16 cycle_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) u16 temp_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) u16 voltage_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) s16 rate_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) s16 rate_avg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) u16 capacity_now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) u16 state_of_charge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) u16 state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) u16 mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) u16 spec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) u8 present:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u8 have_sysfs_alarm:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define to_acpi_battery(x) power_supply_get_drvdata(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct acpi_sbs {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct power_supply *charger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct acpi_device *device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct acpi_smb_hc *hc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct acpi_battery battery[MAX_SBS_BAT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 batteries_supported:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u8 manager_present:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 charger_present:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 charger_exists:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define to_acpi_sbs(x) power_supply_get_drvdata(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static int acpi_sbs_remove(struct acpi_device *device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static int acpi_battery_get_state(struct acpi_battery *battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static inline int battery_scale(int log)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int scale = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) while (log--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) scale *= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return scale;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static inline int acpi_battery_vscale(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return battery_scale((battery->spec & 0x0f00) >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static inline int acpi_battery_ipscale(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return battery_scale((battery->spec & 0xf000) >> 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static inline int acpi_battery_mode(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return (battery->mode & 0x8000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static inline int acpi_battery_scale(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return (acpi_battery_mode(battery) ? 10 : 1) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) acpi_battery_ipscale(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static int sbs_get_ac_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) struct acpi_sbs *sbs = to_acpi_sbs(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) val->intval = sbs->charger_present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static int acpi_battery_technology(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (!strcasecmp("NiCd", battery->device_chemistry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return POWER_SUPPLY_TECHNOLOGY_NiCd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) if (!strcasecmp("NiMH", battery->device_chemistry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return POWER_SUPPLY_TECHNOLOGY_NiMH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (!strcasecmp("LION", battery->device_chemistry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return POWER_SUPPLY_TECHNOLOGY_LION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (!strcasecmp("LiP", battery->device_chemistry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return POWER_SUPPLY_TECHNOLOGY_LIPO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static int acpi_sbs_battery_get_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct acpi_battery *battery = to_acpi_battery(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) acpi_battery_get_state(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) case POWER_SUPPLY_PROP_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) if (battery->rate_now < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) else if (battery->rate_now > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) val->intval = POWER_SUPPLY_STATUS_CHARGING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) val->intval = POWER_SUPPLY_STATUS_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) case POWER_SUPPLY_PROP_PRESENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) val->intval = battery->present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) case POWER_SUPPLY_PROP_TECHNOLOGY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) val->intval = acpi_battery_technology(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) case POWER_SUPPLY_PROP_CYCLE_COUNT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) val->intval = battery->cycle_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) val->intval = battery->design_voltage *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) acpi_battery_vscale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) case POWER_SUPPLY_PROP_VOLTAGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) val->intval = battery->voltage_now *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) acpi_battery_vscale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) case POWER_SUPPLY_PROP_CURRENT_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) case POWER_SUPPLY_PROP_POWER_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) val->intval = abs(battery->rate_now) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) acpi_battery_ipscale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) val->intval *= (acpi_battery_mode(battery)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) (battery->voltage_now *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) acpi_battery_vscale(battery) / 1000) : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) case POWER_SUPPLY_PROP_CURRENT_AVG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) case POWER_SUPPLY_PROP_POWER_AVG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) val->intval = abs(battery->rate_avg) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) acpi_battery_ipscale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) val->intval *= (acpi_battery_mode(battery)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) (battery->voltage_now *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) acpi_battery_vscale(battery) / 1000) : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) case POWER_SUPPLY_PROP_CAPACITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) val->intval = battery->state_of_charge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) val->intval = battery->design_capacity *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) acpi_battery_scale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) case POWER_SUPPLY_PROP_CHARGE_FULL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) case POWER_SUPPLY_PROP_ENERGY_FULL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) val->intval = battery->full_charge_capacity *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) acpi_battery_scale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) case POWER_SUPPLY_PROP_CHARGE_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) case POWER_SUPPLY_PROP_ENERGY_NOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) val->intval = battery->capacity_now *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) acpi_battery_scale(battery) * 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) case POWER_SUPPLY_PROP_TEMP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) val->intval = battery->temp_now - 2730; // dK -> dC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) case POWER_SUPPLY_PROP_MODEL_NAME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) val->strval = battery->device_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) case POWER_SUPPLY_PROP_MANUFACTURER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) val->strval = battery->manufacturer_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) static enum power_supply_property sbs_ac_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) static enum power_supply_property sbs_charge_battery_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) POWER_SUPPLY_PROP_TECHNOLOGY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) POWER_SUPPLY_PROP_CYCLE_COUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) POWER_SUPPLY_PROP_CURRENT_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) POWER_SUPPLY_PROP_CURRENT_AVG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) POWER_SUPPLY_PROP_CAPACITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) POWER_SUPPLY_PROP_CHARGE_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) POWER_SUPPLY_PROP_CHARGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) POWER_SUPPLY_PROP_TEMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) POWER_SUPPLY_PROP_MODEL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) POWER_SUPPLY_PROP_MANUFACTURER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) static enum power_supply_property sbs_energy_battery_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) POWER_SUPPLY_PROP_STATUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) POWER_SUPPLY_PROP_PRESENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) POWER_SUPPLY_PROP_TECHNOLOGY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) POWER_SUPPLY_PROP_VOLTAGE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) POWER_SUPPLY_PROP_CURRENT_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) POWER_SUPPLY_PROP_CURRENT_AVG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) POWER_SUPPLY_PROP_POWER_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) POWER_SUPPLY_PROP_POWER_AVG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) POWER_SUPPLY_PROP_CAPACITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) POWER_SUPPLY_PROP_ENERGY_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) POWER_SUPPLY_PROP_ENERGY_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) POWER_SUPPLY_PROP_TEMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) POWER_SUPPLY_PROP_MODEL_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) POWER_SUPPLY_PROP_MANUFACTURER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static const struct power_supply_desc acpi_sbs_charger_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) .name = "sbs-charger",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) .type = POWER_SUPPLY_TYPE_MAINS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) .properties = sbs_ac_props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) .num_properties = ARRAY_SIZE(sbs_ac_props),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) .get_property = sbs_get_ac_property,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) Smart Battery System Management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) -------------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) struct acpi_battery_reader {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) u8 command; /* command for battery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) u8 mode; /* word or block? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) size_t offset; /* offset inside struct acpi_sbs_battery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static struct acpi_battery_reader info_readers[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) static struct acpi_battery_reader state_readers[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_now)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_avg)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static int acpi_manager_get_info(struct acpi_sbs *sbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) int result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) u16 battery_system_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 0x04, (u8 *)&battery_system_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if (!result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) sbs->batteries_supported = battery_system_info & 0x000f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static int acpi_battery_get_info(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) int i, result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) for (i = 0; i < ARRAY_SIZE(info_readers); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) result = acpi_smbus_read(battery->sbs->hc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) info_readers[i].mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) ACPI_SBS_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) info_readers[i].command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) (u8 *) battery +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) info_readers[i].offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static int acpi_battery_get_state(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) int i, result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (battery->update_time &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) time_before(jiffies, battery->update_time +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) msecs_to_jiffies(cache_time)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) for (i = 0; i < ARRAY_SIZE(state_readers); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) result = acpi_smbus_read(battery->sbs->hc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) state_readers[i].mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) ACPI_SBS_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) state_readers[i].command,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) (u8 *)battery +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) state_readers[i].offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) battery->update_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) static int acpi_battery_get_alarm(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) ACPI_SBS_BATTERY, 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) (u8 *)&battery->alarm_capacity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) static int acpi_battery_set_alarm(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) struct acpi_sbs *sbs = battery->sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) u16 value, sel = 1 << (battery->id + 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (sbs->manager_present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 0x01, (u8 *)&value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if ((value & 0xf000) != sel) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) value &= 0x0fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) value |= sel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) ACPI_SBS_MANAGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 0x01, (u8 *)&value, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 0x01, (u8 *)&battery->alarm_capacity, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) static int acpi_ac_get_present(struct acpi_sbs *sbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) u16 status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 0x13, (u8 *) & status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * The spec requires that bit 4 always be 1. If it's not set, assume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) * that the implementation doesn't support an SBS charger.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) * And on some MacBooks a status of 0xffff is always returned, no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) * matter whether the charger is plugged in or not, which is also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) * wrong, so ignore the SBS charger for those too.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) if (!((status >> 4) & 0x1) || status == 0xffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) sbs->charger_present = (status >> 15) & 0x1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) static ssize_t acpi_battery_alarm_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) acpi_battery_get_alarm(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return sprintf(buf, "%d\n", battery->alarm_capacity *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) acpi_battery_scale(battery) * 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) static ssize_t acpi_battery_alarm_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) unsigned long x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if (sscanf(buf, "%lu\n", &x) == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) battery->alarm_capacity = x /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) (1000 * acpi_battery_scale(battery));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (battery->present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) acpi_battery_set_alarm(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) static const struct device_attribute alarm_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) .attr = {.name = "alarm", .mode = 0644},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) .show = acpi_battery_alarm_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) .store = acpi_battery_alarm_store,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) Driver Interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) -------------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static int acpi_battery_read(struct acpi_battery *battery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) int result = 0, saved_present = battery->present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) u16 state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (battery->sbs->manager_present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) ACPI_SBS_MANAGER, 0x01, (u8 *)&state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (!result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) battery->present = state & (1 << battery->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) state &= 0x0fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) state |= 1 << (battery->id + 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) } else if (battery->id == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) battery->present = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (result || !battery->present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) if (saved_present != battery->present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) battery->update_time = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) result = acpi_battery_get_info(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) battery->present = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) result = acpi_battery_get_state(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) battery->present = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) /* Smart Battery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) static int acpi_battery_add(struct acpi_sbs *sbs, int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) struct acpi_battery *battery = &sbs->battery[id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) struct power_supply_config psy_cfg = { .drv_data = battery, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) battery->id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) battery->sbs = sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) result = acpi_battery_read(battery);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) battery->bat_desc.name = battery->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) if (!acpi_battery_mode(battery)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) battery->bat_desc.properties = sbs_charge_battery_props;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) battery->bat_desc.num_properties =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) ARRAY_SIZE(sbs_charge_battery_props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) battery->bat_desc.properties = sbs_energy_battery_props;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) battery->bat_desc.num_properties =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) ARRAY_SIZE(sbs_energy_battery_props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) battery->bat_desc.get_property = acpi_sbs_battery_get_property;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) battery->bat = power_supply_register(&sbs->device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) &battery->bat_desc, &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (IS_ERR(battery->bat)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) result = PTR_ERR(battery->bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) battery->bat = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) result = device_create_file(&battery->bat->dev, &alarm_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) battery->have_sysfs_alarm = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) battery->name, battery->present ? "present" : "absent");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) struct acpi_battery *battery = &sbs->battery[id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) if (battery->bat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) if (battery->have_sysfs_alarm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) device_remove_file(&battery->bat->dev, &alarm_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) power_supply_unregister(battery->bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) static int acpi_charger_add(struct acpi_sbs *sbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) struct power_supply_config psy_cfg = { .drv_data = sbs, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) result = acpi_ac_get_present(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) sbs->charger_exists = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) sbs->charger = power_supply_register(&sbs->device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) &acpi_sbs_charger_desc, &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) if (IS_ERR(sbs->charger)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) result = PTR_ERR(sbs->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) sbs->charger = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) static void acpi_charger_remove(struct acpi_sbs *sbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) if (sbs->charger)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) power_supply_unregister(sbs->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) static void acpi_sbs_callback(void *context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct acpi_sbs *sbs = context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) struct acpi_battery *bat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) u8 saved_charger_state = sbs->charger_present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) u8 saved_battery_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (sbs->charger_exists) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) acpi_ac_get_present(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (sbs->charger_present != saved_charger_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) kobject_uevent(&sbs->charger->dev.kobj, KOBJ_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) if (sbs->manager_present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) for (id = 0; id < MAX_SBS_BAT; ++id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) if (!(sbs->batteries_supported & (1 << id)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) bat = &sbs->battery[id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) saved_battery_state = bat->present;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) acpi_battery_read(bat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) if (saved_battery_state == bat->present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) kobject_uevent(&bat->bat->dev.kobj, KOBJ_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) static int acpi_sbs_add(struct acpi_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) struct acpi_sbs *sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) int result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) if (!sbs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) result = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) mutex_init(&sbs->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) sbs->hc = acpi_driver_data(device->parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) sbs->device = device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) device->driver_data = sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) result = acpi_charger_add(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) if (result && result != -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if (!x86_apple_machine) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) result = acpi_manager_get_info(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) if (!result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) sbs->manager_present = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) for (id = 0; id < MAX_SBS_BAT; ++id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) if ((sbs->batteries_supported & (1 << id)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) acpi_battery_add(sbs, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) if (!sbs->manager_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) acpi_battery_add(sbs, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) acpi_sbs_remove(device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static int acpi_sbs_remove(struct acpi_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) struct acpi_sbs *sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) if (!device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) sbs = acpi_driver_data(device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) if (!sbs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) mutex_lock(&sbs->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) acpi_smbus_unregister_callback(sbs->hc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) for (id = 0; id < MAX_SBS_BAT; ++id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) acpi_battery_remove(sbs, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) acpi_charger_remove(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) mutex_unlock(&sbs->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) mutex_destroy(&sbs->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) kfree(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) static int acpi_sbs_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) struct acpi_sbs *sbs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) sbs = to_acpi_device(dev)->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) acpi_sbs_callback(sbs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) #define acpi_sbs_resume NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) static struct acpi_driver acpi_sbs_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) .name = "sbs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) .class = ACPI_SBS_CLASS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) .ids = sbs_device_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) .ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) .add = acpi_sbs_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) .remove = acpi_sbs_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) .drv.pm = &acpi_sbs_pm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) static int __init acpi_sbs_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) int result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) if (acpi_disabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) result = acpi_bus_register_driver(&acpi_sbs_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) if (result < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) static void __exit acpi_sbs_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) acpi_bus_unregister_driver(&acpi_sbs_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) module_init(acpi_sbs_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) module_exit(acpi_sbs_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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