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Added PsmSession, which is now an additional param for: psmBindStateChangeEvent, psmWaitStateChangeEvent, and psmUnbindStateChangeEvent. Hence, the psm session is now handled with this object instead of libnx automatically handling it internally. psmBindStateChangeEvent no longer calls psmUnbindStateChangeEvent. Other adjustments.

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This commit is contained in:
yellows8 2018-12-31 19:36:07 -05:00
parent 2c89aed2b9
commit e59036d4c8
2 changed files with 50 additions and 58 deletions
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20
nx/include/switch/services/psm.h
View File

@ -6,6 +6,8 @@
*/
#pragma once
#include "../types.h"
#include "../services/sm.h"
#include "../kernel/event.h"
typedef enum {
ChargerType_None = 0, ///< No charger
@ -20,6 +22,12 @@ typedef enum {
PsmBatteryVoltageState_Normal = 3, ///< Everything is normal
} PsmBatteryVoltageState;
/// IPsmSession
typedef struct {
Service s;
Event StateChangeEvent; ///< autoclear=false
} PsmSession;
Result psmInitialize(void);
void psmExit(void);
@ -28,17 +36,17 @@ Result psmGetChargerType(ChargerType *out);
Result psmGetBatteryVoltageState(PsmBatteryVoltageState *out);
/**
* @brief Wrapper func which handles event setup.
* @brief Wrapper func which opens a PsmSession and handles event setup.
* @note Uses the actual BindStateChangeEvent cmd internally.
* @note The event is not signalled on BatteryChargePercentage changes.
* @param[in] ChargerType Passed to SetChargerTypeChangeEventEnabled.
* @param[in] PowerSupply Passed to SetPowerSupplyChangeEventEnabled.
* @param[in] BatteryVoltage Passed to SetBatteryVoltageStateChangeEventEnabled.
*/
Result psmBindStateChangeEvent(bool ChargerType, bool PowerSupply, bool BatteryVoltage);
Result psmBindStateChangeEvent(PsmSession* s, bool ChargerType, bool PowerSupply, bool BatteryVoltage);
/// Wait on the Event setup by psmBindStateChangeEvent.
Result psmWaitStateChangeEvent(u64 timeout);
/// Wait on the Event setup by \ref psmBindStateChangeEvent.
Result psmWaitStateChangeEvent(PsmSession* s, u64 timeout);
/// Cleanup version of psmBindStateChangeEvent. Called automatically by \ref psmExit and \ref psmBindStateChangeEvent, if already initialized.
Result psmUnbindStateChangeEvent(void);
/// Cleanup version of \ref psmBindStateChangeEvent. Must be called by the user once the PsmSession is done being used.
Result psmUnbindStateChangeEvent(PsmSession* s);

88
nx/source/services/psm.c
View File

@ -8,17 +8,14 @@
#include "services/sm.h"
static Service g_psmSrv;
static Service g_psmSession;
static Event g_psmStateChangeEvent;
static bool g_psmStateChangeEventInitialized;
static u64 g_refCnt;
static Result _psmOpenSession(Service* out);
static Result _psmBindStateChangeEvent(Event* event_out);
static Result _psmBindStateChangeEvent(PsmSession* s, Event* event_out);
static Result _psmSetChargerTypeChangeEventEnabled(bool flag);
static Result _psmSetPowerSupplyChangeEventEnabled(bool flag);
static Result _psmSetBatteryVoltageStateChangeEventEnabled(bool flag);
static Result _psmSetChargerTypeChangeEventEnabled(PsmSession* s, bool flag);
static Result _psmSetPowerSupplyChangeEventEnabled(PsmSession* s, bool flag);
static Result _psmSetBatteryVoltageStateChangeEventEnabled(PsmSession* s, bool flag);
Result psmInitialize(void) {
Result rc = 0;
@ -28,14 +25,8 @@ Result psmInitialize(void) {
if (serviceIsActive(&g_psmSrv))
return 0;
g_psmStateChangeEventInitialized = 0;
rc = smGetService(&g_psmSrv, "psm");
if (R_SUCCEEDED(rc)) {
rc = _psmOpenSession(&g_psmSession);
}
if (R_FAILED(rc)) psmExit();
return rc;
@ -43,8 +34,6 @@ Result psmInitialize(void) {
void psmExit(void) {
if (atomicDecrement64(&g_refCnt) == 0) {
if (g_psmStateChangeEventInitialized) psmUnbindStateChangeEvent();
serviceClose(&g_psmSession);
serviceClose(&g_psmSrv);
}
}
@ -140,39 +129,36 @@ static Result _psmOpenSession(Service* out) {
return rc;
}
Result psmBindStateChangeEvent(bool ChargerType, bool PowerSupply, bool BatteryVoltage) {
Result psmBindStateChangeEvent(PsmSession* s, bool ChargerType, bool PowerSupply, bool BatteryVoltage) {
Result rc=0;
if (g_psmStateChangeEventInitialized) {
rc = psmUnbindStateChangeEvent();
if (R_FAILED(rc)) return rc;
}
rc = _psmSetChargerTypeChangeEventEnabled(ChargerType);
rc = _psmOpenSession(&s->s);
if (R_FAILED(rc)) return rc;
rc = _psmSetPowerSupplyChangeEventEnabled(PowerSupply);
rc = _psmSetChargerTypeChangeEventEnabled(s, ChargerType);
if (R_FAILED(rc)) return rc;
rc = _psmSetBatteryVoltageStateChangeEventEnabled(BatteryVoltage);
rc = _psmSetPowerSupplyChangeEventEnabled(s, PowerSupply);
if (R_FAILED(rc)) return rc;
rc = _psmBindStateChangeEvent(&g_psmStateChangeEvent);
rc = _psmSetBatteryVoltageStateChangeEventEnabled(s, BatteryVoltage);
if (R_FAILED(rc)) return rc;
if (R_SUCCEEDED(rc)) g_psmStateChangeEventInitialized = 1;
rc = _psmBindStateChangeEvent(s, &s->StateChangeEvent);
if (R_FAILED(rc)) serviceClose(&s->s);
return rc;
}
Result psmWaitStateChangeEvent(u64 timeout) {
Result psmWaitStateChangeEvent(PsmSession* s, u64 timeout) {
Result rc = 0;
rc = eventWait(&g_psmStateChangeEvent, timeout);
if (R_SUCCEEDED(rc)) rc = eventClear(&g_psmStateChangeEvent);
rc = eventWait(&s->StateChangeEvent, timeout);
if (R_SUCCEEDED(rc)) rc = eventClear(&s->StateChangeEvent);
return rc;
}
static Result _psmBindStateChangeEvent(Event *event_out) {
static Result _psmBindStateChangeEvent(PsmSession* s, Event *event_out) {
IpcCommand c;
ipcInitialize(&c);
@ -181,12 +167,12 @@ static Result _psmBindStateChangeEvent(Event *event_out) {
u64 cmd_id;
} *raw;
raw = serviceIpcPrepareHeader(&g_psmSession, &c, sizeof(*raw));
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 0;
Result rc = serviceIpcDispatch(&g_psmSession);
Result rc = serviceIpcDispatch(&s->s);
if(R_SUCCEEDED(rc)) {
IpcParsedCommand r;
@ -196,7 +182,7 @@ static Result _psmBindStateChangeEvent(Event *event_out) {
u64 result;
} *resp;
serviceIpcParse(&g_psmSession, &r, sizeof(*resp));
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
@ -209,26 +195,21 @@ static Result _psmBindStateChangeEvent(Event *event_out) {
return rc;
}
Result psmUnbindStateChangeEvent(void) {
Result psmUnbindStateChangeEvent(PsmSession* s) {
IpcCommand c;
ipcInitialize(&c);
if (g_psmStateChangeEventInitialized) {
g_psmStateChangeEventInitialized = 0;
eventClose(&g_psmStateChangeEvent);
}
struct {
u64 magic;
u64 cmd_id;
} *raw;
raw = serviceIpcPrepareHeader(&g_psmSession, &c, sizeof(*raw));
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 1;
Result rc = serviceIpcDispatch(&g_psmSession);
Result rc = serviceIpcDispatch(&s->s);
if(R_SUCCEEDED(rc)) {
IpcParsedCommand r;
@ -238,16 +219,19 @@ Result psmUnbindStateChangeEvent(void) {
u64 result;
} *resp;
serviceIpcParse(&g_psmSession, &r, sizeof(*resp));
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
eventClose(&s->StateChangeEvent);
serviceClose(&s->s);
return rc;
}
static Result _psmSetEventEnabled(u64 cmd_id, bool flag) {
static Result _psmSetEventEnabled(PsmSession* s, u64 cmd_id, bool flag) {
IpcCommand c;
ipcInitialize(&c);
@ -257,13 +241,13 @@ static Result _psmSetEventEnabled(u64 cmd_id, bool flag) {
u8 flag;
} *raw;
raw = serviceIpcPrepareHeader(&g_psmSession, &c, sizeof(*raw));
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = cmd_id;
raw->flag = (flag != 0);
Result rc = serviceIpcDispatch(&g_psmSession);
Result rc = serviceIpcDispatch(&s->s);
if(R_SUCCEEDED(rc)) {
IpcParsedCommand r;
@ -273,7 +257,7 @@ static Result _psmSetEventEnabled(u64 cmd_id, bool flag) {
u64 result;
} *resp;
serviceIpcParse(&g_psmSession, &r, sizeof(*resp));
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
@ -282,14 +266,14 @@ static Result _psmSetEventEnabled(u64 cmd_id, bool flag) {
return rc;
}
static Result _psmSetChargerTypeChangeEventEnabled(bool flag) {
return _psmSetEventEnabled(2, flag);
static Result _psmSetChargerTypeChangeEventEnabled(PsmSession* s, bool flag) {
return _psmSetEventEnabled(s, 2, flag);
}
static Result _psmSetPowerSupplyChangeEventEnabled(bool flag) {
return _psmSetEventEnabled(3, flag);
static Result _psmSetPowerSupplyChangeEventEnabled(PsmSession* s, bool flag) {
return _psmSetEventEnabled(s, 3, flag);
}
static Result _psmSetBatteryVoltageStateChangeEventEnabled(bool flag) {
return _psmSetEventEnabled(4, flag);
static Result _psmSetBatteryVoltageStateChangeEventEnabled(PsmSession* s, bool flag) {
return _psmSetEventEnabled(s, 4, flag);
}