268 lines
8.5 KiB
C
268 lines
8.5 KiB
C
/*
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* Copyright (c) Souldbminer, Lightos_ and Horizon OC Contributors
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <switch.h>
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#include <inttypes.h>
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#include <string.h>
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// Battery charging flags
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typedef enum {
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BatteryFlag_NoHub = BIT(0), // Hub is disconnected
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BatteryFlag_Rail = BIT(8), // At least one Joy-con is charging from rail
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BatteryFlag_SPDSRC = BIT(12), // OTG
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BatteryFlag_ACC = BIT(16) // Accessory
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} BatteryChargeFlags;
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// Power Delivery Controller State (BM92T series)
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typedef enum {
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PDState_NewPDO = 1, // Received new Power Data Object
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PDState_NoPD = 2, // No Power Delivery source is detected
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PDState_AcceptedRDO = 3 // Received and accepted Request Data Object
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} BatteryPDControllerState;
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// Charger type detection
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typedef enum {
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ChargerType_None = 0,
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ChargerType_PD = 1,
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ChargerType_TypeC_1500mA = 2,
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ChargerType_TypeC_3000mA = 3,
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ChargerType_DCP = 4, // Dedicated Charging Port
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ChargerType_CDP = 5, // Charging Downstream Port
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ChargerType_SDP = 6, // Standard Downstream Port
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ChargerType_Apple_500mA = 7,
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ChargerType_Apple_1000mA = 8,
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ChargerType_Apple_2000mA = 9
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} BatteryChargerType;
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// Power role (USB Power Delivery)
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typedef enum {
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PowerRole_Sink = 1, // Device is receiving power
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PowerRole_Source = 2 // Device is providing power
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} BatteryPowerRole;
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// Complete battery charge information structure
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typedef struct {
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int32_t InputCurrentLimit; // Input (Sink) current limit in mA
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int32_t VBUSCurrentLimit; // Output (Source/VBUS/OTG) current limit in mA
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int32_t ChargeCurrentLimit; // Battery charging current limit in mA
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int32_t ChargeVoltageLimit; // Battery charging voltage limit in mV
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int32_t unk_x10; // Unknown field (possibly enum)
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int32_t unk_x14; // Unknown field (possibly flags)
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BatteryPDControllerState PDControllerState; // PD Controller State
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int32_t BatteryTemperature; // Battery temperature in milli-Celsius
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int32_t RawBatteryCharge; // Battery charge in per cent-mille (100% = 100000)
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int32_t VoltageAvg; // Average voltage in mV
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int32_t BatteryAge; // Battery health (capacity full/design) in pcm
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BatteryPowerRole PowerRole; // Current power role
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BatteryChargerType ChargerType; // Type of charger connected
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int32_t ChargerVoltageLimit; // Charger voltage limit in mV
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int32_t ChargerCurrentLimit; // Charger current limit in mA
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BatteryChargeFlags Flags; // Various status flags
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} BatteryChargeInfo;
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// Helper macro to check if battery charging is enabled
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#define IS_BATTERY_CHARGING_ENABLED(info) (((info)->unk_x14 >> 8) & 1)
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// Initialize the battery info driver
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Result batteryInfoInitialize(void);
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// Cleanup the battery info driver
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void batteryInfoExit(void);
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// Get complete battery charge information
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Result batteryInfoGetChargeInfo(BatteryChargeInfo *out);
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// Get battery charge percentage (0-100)
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Result batteryInfoGetChargePercentage(u32 *out);
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// Check if enough power is being supplied
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Result batteryInfoIsEnoughPowerSupplied(bool *out);
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// Battery charge control functions
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Result batteryInfoEnableCharging(void);
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Result batteryInfoDisableCharging(void);
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Result batteryInfoEnableFastCharging(void);
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Result batteryInfoDisableFastCharging(void);
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// Helper functions to get human-readable strings
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const char* batteryInfoGetChargerTypeString(BatteryChargerType type);
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const char* batteryInfoGetPowerRoleString(BatteryPowerRole role);
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const char* batteryInfoGetPDStateString(BatteryPDControllerState state);
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// Convenience functions for common values
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static inline int batteryInfoGetTemperatureMiliCelsius(BatteryChargeInfo *info) {
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return info->BatteryTemperature;
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}
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static inline float batteryInfoGetChargePercent(BatteryChargeInfo *info) {
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return (float)info->RawBatteryCharge / 1000.0f;
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}
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static inline float batteryInfoGetBatteryHealthPercent(BatteryChargeInfo *info) {
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return (float)info->BatteryAge / 1000.0f;
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}
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static inline bool batteryInfoIsCharging(BatteryChargeInfo *info) {
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return IS_BATTERY_CHARGING_ENABLED(info);
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}
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// String lookup tables
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static const char* s_chargerTypeStrings[] = {
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"None",
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"Power Delivery",
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"USB-C @ 1.5A",
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"USB-C @ 3.0A",
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"USB-DCP",
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"USB-CDP",
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"USB-SDP",
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"Apple @ 0.5A",
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"Apple @ 1.0A",
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"Apple @ 2.0A",
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};
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static const char* s_powerRoleStrings[] = {
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"Unknown",
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"Sink",
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"Source",
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};
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static const char* s_pdStateStrings[] = {
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"Unknown",
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"New PDO Received",
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"No PD Source",
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"RDO Accepted"
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};
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// Internal PSM service handle
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static Service g_psmService = {0};
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static bool g_batteryInfoInitialized = false;
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// Internal PSM command implementations
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static Result psmGetBatteryChargeInfoFields(BatteryChargeInfo *out) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return serviceDispatchOut(&g_psmService, 17, *out);
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}
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static Result psmEnableBatteryCharging_internal(void) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return serviceDispatch(&g_psmService, 2);
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}
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static Result psmDisableBatteryCharging_internal(void) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return serviceDispatch(&g_psmService, 3);
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}
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static Result psmEnableFastBatteryCharging_internal(void) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return serviceDispatch(&g_psmService, 10);
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}
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static Result psmDisableFastBatteryCharging_internal(void) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return serviceDispatch(&g_psmService, 11);
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}
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// Public API implementations
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Result batteryInfoInitialize(void) {
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if (g_batteryInfoInitialized)
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return 0;
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Result rc = psmInitialize();
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if (R_SUCCEEDED(rc)) {
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memcpy(&g_psmService, psmGetServiceSession(), sizeof(Service));
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g_batteryInfoInitialized = true;
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}
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return rc;
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}
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void batteryInfoExit(void) {
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if (g_batteryInfoInitialized) {
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psmExit();
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memset(&g_psmService, 0, sizeof(Service));
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g_batteryInfoInitialized = false;
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}
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}
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Result batteryInfoGetChargeInfo(BatteryChargeInfo *out) {
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if (!out)
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return MAKERESULT(Module_Libnx, LibnxError_BadInput);
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return psmGetBatteryChargeInfoFields(out);
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}
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Result batteryInfoGetChargePercentage(u32 *out) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return psmGetBatteryChargePercentage(out);
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}
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Result batteryInfoIsEnoughPowerSupplied(bool *out) {
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if (!g_batteryInfoInitialized)
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return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
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return psmIsEnoughPowerSupplied(out);
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}
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Result batteryInfoEnableCharging(void) {
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return psmEnableBatteryCharging_internal();
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}
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Result batteryInfoDisableCharging(void) {
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return psmDisableBatteryCharging_internal();
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}
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Result batteryInfoEnableFastCharging(void) {
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return psmEnableFastBatteryCharging_internal();
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}
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Result batteryInfoDisableFastCharging(void) {
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return psmDisableFastBatteryCharging_internal();
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}
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const char* batteryInfoGetChargerTypeString(BatteryChargerType type) {
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if (type < 0 || type > ChargerType_Apple_2000mA)
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return "Unknown";
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return s_chargerTypeStrings[type];
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}
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const char* batteryInfoGetPowerRoleString(BatteryPowerRole role) {
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if (role < PowerRole_Sink || role > PowerRole_Source)
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return s_powerRoleStrings[0];
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return s_powerRoleStrings[role];
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}
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const char* batteryInfoGetPDStateString(BatteryPDControllerState state) {
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if (state < PDState_NewPDO || state > PDState_AcceptedRDO)
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return s_pdStateStrings[0];
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return s_pdStateStrings[state];
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} |