- sys-clk-OC: Charging current limit

Source/sys-clk-OC/common/include/sysclk.h

@@ -19,6 +19,7 @@ extern "C" {
 #include "sysclk/apm.h"
 #include "sysclk/config.h"
 #include "sysclk/errors.h"
+#include "sysclk/i2c.h"
 #include "sysclk/psm_ext.h"
 
 #ifdef __cplusplus

Source/sys-clk-OC/common/include/sysclk/config.h

@@ -20,7 +20,7 @@ typedef enum {
     SysClkConfigValue_AutoCPUBoost,
     SysClkConfigValue_SyncReverseNXMode,
     SysClkConfigValue_AllowUnsafeFrequencies,
-    SysClkConfigValue_DisableFastCharging,
+    SysClkConfigValue_ChargingCurrentLimit,
     SysClkConfigValue_ChargingLimitPercentage,
     SysClkConfigValue_GovernorExperimental,
     SysClkConfigValue_EnumMax,
@@ -46,8 +46,8 @@ static inline const char* sysclkFormatConfigValue(SysClkConfigValue val, bool pr
             return pretty ? "Sync ReverseNX Mode Sync" : "sync_reversenx_mode";
         case SysClkConfigValue_AllowUnsafeFrequencies:
             return pretty ? "Allow Unsafe Frequencies" : "allow_unsafe_freq";
-        case SysClkConfigValue_DisableFastCharging:
-            return pretty ? "Disable Fast Charging" : "disable_fast_charging";
+        case SysClkConfigValue_ChargingCurrentLimit:
+            return pretty ? "Charging Current Limit (mA)" : "charging_current";
         case SysClkConfigValue_ChargingLimitPercentage:
             return pretty ? "Charging Limit (%%)" : "charging_limit_perc";
         case SysClkConfigValue_GovernorExperimental:
@@ -66,12 +66,13 @@ static inline uint64_t sysclkDefaultConfigValue(SysClkConfigValue val)
         case SysClkConfigValue_TempLogIntervalMs:
         case SysClkConfigValue_CsvWriteIntervalMs:
         case SysClkConfigValue_AllowUnsafeFrequencies:
-        case SysClkConfigValue_DisableFastCharging:
         case SysClkConfigValue_GovernorExperimental:
             return 0ULL;
         case SysClkConfigValue_AutoCPUBoost:
         case SysClkConfigValue_SyncReverseNXMode:
             return 1ULL;
+        case SysClkConfigValue_ChargingCurrentLimit:
+            return 2000ULL;
         case SysClkConfigValue_ChargingLimitPercentage:
             return 100ULL;
         default:
@@ -91,9 +92,10 @@ static inline uint64_t sysclkValidConfigValue(SysClkConfigValue val, uint64_t in
         case SysClkConfigValue_AutoCPUBoost:
         case SysClkConfigValue_SyncReverseNXMode:
         case SysClkConfigValue_AllowUnsafeFrequencies:
-        case SysClkConfigValue_DisableFastCharging:
         case SysClkConfigValue_GovernorExperimental:
             return (input & 0x1) == input;
+        case SysClkConfigValue_ChargingCurrentLimit:
+            return (input >= 100 && input <= 2000 && input % 100 == 0);
         case SysClkConfigValue_ChargingLimitPercentage:
             return (input <= 100 && input >= 20);
         default:

Source/sys-clk-OC/common/include/sysclk/i2c.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <switch.h>
+
+// To use i2c service, sm and i2c should be intialized via smInitialize() and i2cInitialize().
+
+Result I2cSet_U8(I2cDevice dev, u8 reg, u8 val);
+
+Result I2cRead_OutU8(I2cDevice dev, u8 reg, u8 *out);
+Result I2cRead_OutU16(I2cDevice dev, u8 reg, u16 *out);
+
+// Max17050 fuel gauge
+float I2c_Max17050_GetBatteryCurrent();
+
+const u8 MAX17050_CURRENT_REG = 0x0A;
+
+// Max77812 Mariko-specific buck converter
+typedef enum I2c_Max77812_Volt_Type {
+    I2c_Max77812_CPUVOLT_REG = 0x26,
+    I2c_Max77812_GPUVOLT_REG = 0x23,
+    I2c_Max77812_MEMVOLT_REG = 0x25,
+} I2c_Max77812_Volt_Type;
+
+u32 I2c_Max77812_GetMVOUT(I2c_Max77812_Volt_Type type);
+
+// Bq24193 Battery management
+u32 I2c_Bq24193_Convert_Raw_mA(u8 raw);
+u8  I2c_Bq24193_Convert_mA_Raw(u32 ma);
+
+Result I2c_Bq24193_GetFastChargeCurrentLimit(u32 *ma);
+Result I2c_Bq24193_SetFastChargeCurrentLimit(u32 ma);
+
+const u32 MA_RANGE_MIN = 512;
+const u32 MA_RANGE_MAX = 4544;
+
+const u8 BQ24193_CHARGE_CURRENT_CONTROL_REG = 0x2;

Source/sys-clk-OC/common/include/sysclk/psm_ext.h

@@ -66,12 +66,10 @@ typedef enum {
 
 bool PsmIsChargerConnected(const PsmChargeInfo* info);
 bool PsmIsCharging(const PsmChargeInfo* info);
-bool PsmIsFastChargingEnabled(const PsmChargeInfo* info);
 
 typedef enum {
     PsmBatteryState_Discharging,
     PsmBatteryState_ChargingPaused,
-    PsmBatteryState_SlowCharging,
     PsmBatteryState_FastCharging
 } PsmBatteryState;