^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) * acpi_ac.c - ACPI AC Adapter Driver ($Revision: 27 $)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.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/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <acpi/battery.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define PREFIX "ACPI: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define ACPI_AC_CLASS "ac_adapter"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define ACPI_AC_DEVICE_NAME "AC Adapter"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define ACPI_AC_FILE_STATE "state"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define ACPI_AC_NOTIFY_STATUS 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define ACPI_AC_STATUS_OFFLINE 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define ACPI_AC_STATUS_ONLINE 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define ACPI_AC_STATUS_UNKNOWN 0xFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define _COMPONENT ACPI_AC_COMPONENT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ACPI_MODULE_NAME("ac");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) MODULE_AUTHOR("Paul Diefenbaugh");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) MODULE_DESCRIPTION("ACPI AC Adapter Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int acpi_ac_add(struct acpi_device *device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int acpi_ac_remove(struct acpi_device *device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static void acpi_ac_notify(struct acpi_device *device, u32 event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct acpi_ac_bl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) const char *hid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int hrv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^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 ac_device_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {"ACPI0003", 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, ac_device_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* Lists of PMIC ACPI HIDs with an (often better) native charger driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static const struct acpi_ac_bl acpi_ac_blacklist[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) { "INT33F4", -1 }, /* X-Powers AXP288 PMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) { "INT34D3", 3 }, /* Intel Cherrytrail Whiskey Cove PMIC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static int acpi_ac_resume(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static int ac_sleep_before_get_state_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static int ac_check_pmic = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static int ac_only;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static struct acpi_driver acpi_ac_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .name = "ac",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .class = ACPI_AC_CLASS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .ids = ac_device_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .add = acpi_ac_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .remove = acpi_ac_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .notify = acpi_ac_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .drv.pm = &acpi_ac_pm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct acpi_ac {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct power_supply *charger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct power_supply_desc charger_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct acpi_device * device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) unsigned long long state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct notifier_block battery_nb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define to_acpi_ac(x) power_supply_get_drvdata(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) AC Adapter Management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) -------------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static int acpi_ac_get_state(struct acpi_ac *ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (!ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (ac_only) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) ac->state = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) &ac->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) ACPI_EXCEPTION((AE_INFO, status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) "Error reading AC Adapter state"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) ac->state = ACPI_AC_STATUS_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return 0;
^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) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) sysfs I/F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) -------------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static int get_ac_property(struct power_supply *psy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) enum power_supply_property psp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) union power_supply_propval *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct acpi_ac *ac = to_acpi_ac(psy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (!ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (acpi_ac_get_state(ac))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) switch (psp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) case POWER_SUPPLY_PROP_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) val->intval = ac->state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static enum power_supply_property ac_props[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) POWER_SUPPLY_PROP_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* --------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) Driver Model
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) -------------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static void acpi_ac_notify(struct acpi_device *device, u32 event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct acpi_ac *ac = acpi_driver_data(device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) if (!ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) ACPI_DEBUG_PRINT((ACPI_DB_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) "Unsupported event [0x%x]\n", event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) case ACPI_AC_NOTIFY_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) case ACPI_NOTIFY_BUS_CHECK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) case ACPI_NOTIFY_DEVICE_CHECK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * A buggy BIOS may notify AC first and then sleep for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * a specific time before doing actual operations in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * EC event handler (_Qxx). This will cause the AC state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) * reported by the ACPI event to be incorrect, so wait for a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * specific time for the EC event handler to make progress.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) if (ac_sleep_before_get_state_ms > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) msleep(ac_sleep_before_get_state_ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) acpi_ac_get_state(ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) acpi_bus_generate_netlink_event(device->pnp.device_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) dev_name(&device->dev), event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) (u32) ac->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) acpi_notifier_call_chain(device, event, (u32) ac->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static int acpi_ac_battery_notify(struct notifier_block *nb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) unsigned long action, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct acpi_ac *ac = container_of(nb, struct acpi_ac, battery_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct acpi_bus_event *event = (struct acpi_bus_event *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) * On HP Pavilion dv6-6179er AC status notifications aren't triggered
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * when adapter is plugged/unplugged. However, battery status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * notifcations are triggered when battery starts charging or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * discharging. Re-reading AC status triggers lost AC notifications,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * if AC status has changed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (strcmp(event->device_class, ACPI_BATTERY_CLASS) == 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) event->type == ACPI_BATTERY_NOTIFY_STATUS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) acpi_ac_get_state(ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return NOTIFY_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static int __init thinkpad_e530_quirk(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) ac_sleep_before_get_state_ms = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static int __init ac_do_not_check_pmic_quirk(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) ac_check_pmic = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static int __init ac_only_quirk(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) ac_only = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) /* Please keep this list alphabetically sorted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static const struct dmi_system_id ac_dmi_table[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) /* ECS EF20EA, AXP288 PMIC but uses separate fuel-gauge */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .callback = ac_do_not_check_pmic_quirk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* Kodlix GK45 returning incorrect state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) .callback = ac_only_quirk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) DMI_MATCH(DMI_PRODUCT_NAME, "GK45"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) },
^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) /* Lenovo Ideapad Miix 320, AXP288 PMIC, separate fuel-gauge */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .callback = ac_do_not_check_pmic_quirk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) DMI_MATCH(DMI_PRODUCT_NAME, "80XF"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) /* Lenovo Thinkpad e530, see comment in acpi_ac_notify() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .callback = thinkpad_e530_quirk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) DMI_MATCH(DMI_PRODUCT_NAME, "32597CG"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static int acpi_ac_add(struct acpi_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) struct power_supply_config psy_cfg = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) int result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct acpi_ac *ac = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (!device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (!ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) ac->device = device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) strcpy(acpi_device_class(device), ACPI_AC_CLASS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) device->driver_data = ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) result = acpi_ac_get_state(ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) psy_cfg.drv_data = ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ac->charger_desc.name = acpi_device_bid(device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) ac->charger_desc.properties = ac_props;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) ac->charger_desc.get_property = get_ac_property;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) ac->charger = power_supply_register(&ac->device->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) &ac->charger_desc, &psy_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (IS_ERR(ac->charger)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) result = PTR_ERR(ac->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) goto end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) acpi_device_name(device), acpi_device_bid(device),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) ac->state ? "on-line" : "off-line");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) ac->battery_nb.notifier_call = acpi_ac_battery_notify;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) register_acpi_notifier(&ac->battery_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) end:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) kfree(ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static int acpi_ac_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct acpi_ac *ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) unsigned old_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) ac = acpi_driver_data(to_acpi_device(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) if (!ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) old_state = ac->state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (acpi_ac_get_state(ac))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) if (old_state != ac->state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) #define acpi_ac_resume NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static int acpi_ac_remove(struct acpi_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct acpi_ac *ac = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (!device || !acpi_driver_data(device))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) ac = acpi_driver_data(device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) power_supply_unregister(ac->charger);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) unregister_acpi_notifier(&ac->battery_nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) kfree(ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return 0;
^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 __init acpi_ac_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (acpi_disabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) dmi_check_system(ac_dmi_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (ac_check_pmic) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) for (i = 0; i < ARRAY_SIZE(acpi_ac_blacklist); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) if (acpi_dev_present(acpi_ac_blacklist[i].hid, "1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) acpi_ac_blacklist[i].hrv)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) pr_info(PREFIX "AC: found native %s PMIC, not loading\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) acpi_ac_blacklist[i].hid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) result = acpi_bus_register_driver(&acpi_ac_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (result < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) static void __exit acpi_ac_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) acpi_bus_unregister_driver(&acpi_ac_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) module_init(acpi_ac_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) module_exit(acpi_ac_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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