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apm: Updated for new-ipc. Added enum ApmPerformanceMode. Added apmGetServiceSession_Session. Improved docs.

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yellows8 2019-10-06 19:01:41 -04:00
parent ed2d72b9ff
commit 71e249e6a4
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2 changed files with 54 additions and 127 deletions
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33
nx/include/switch/services/apm.h
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@ -1,12 +1,18 @@
/** /**
* @file apm.h * @file apm.h
* @brief Performance management (apm) service IPC wrapper. This is used internally by applet with __nx_applet_PerformanceConfiguration, however if you prefer non-init/exit can be used manually. * @brief Performance management (apm) service IPC wrapper. This is used internally by applet with __nx_applet_PerformanceConfiguration, however if you prefer non-init/exit can be used manually. See also: https://switchbrew.org/wiki/PTM_services#apm:am
* @author yellows8 * @author yellows8
* @copyright libnx Authors * @copyright libnx Authors
*/ */
#pragma once #pragma once
#include "../types.h" #include "../types.h"
#include "../services/sm.h" #include "../sf/service.h"
/// PerformanceMode
typedef enum {
ApmPerformanceMode_Handheld = 0, ///< Handheld
ApmPerformanceMode_Docked = 1, ///< Docked
} ApmPerformanceMode;
/// CpuBoostMode. With \ref appletSetCpuBoostMode, only values 0/1 are available. This allows using higher clock rates. /// CpuBoostMode. With \ref appletSetCpuBoostMode, only values 0/1 are available. This allows using higher clock rates.
typedef enum { typedef enum {
@ -15,9 +21,28 @@ typedef enum {
ApmCpuBoostMode_Type2 = 2, ///< Use performance configurations 0x9222000B and 0x9222000C. ApmCpuBoostMode_Type2 = 2, ///< Use performance configurations 0x9222000B and 0x9222000C.
} ApmCpuBoostMode; } ApmCpuBoostMode;
/// Initialize apm. Used automatically by \ref appletInitialize.
Result apmInitialize(void); Result apmInitialize(void);
/// Exit apm. Used automatically by \ref appletExit.
void apmExit(void); void apmExit(void);
/// Gets the Service object for the actual apm service session.
Service* apmGetServiceSession(void); Service* apmGetServiceSession(void);
Result apmSetPerformanceConfiguration(u32 PerformanceMode, u32 PerformanceConfiguration); /// Gets the Service object for ISession.
Result apmGetPerformanceConfiguration(u32 PerformanceMode, u32 *PerformanceConfiguration); Service* apmGetServiceSession_Session(void);
/**
* @brief Sets the PerformanceConfiguration for the specified PerformanceMode.
* @param[in] PerformanceMode \ref ApmPerformanceMode
* @param[in] PerformanceConfiguration PerformanceConfiguration
*/
Result apmSetPerformanceConfiguration(ApmPerformanceMode PerformanceMode, u32 PerformanceConfiguration);
/**
* @brief Gets the PerformanceConfiguration for the specified PerformanceMode.
* @param[in] PerformanceMode \ref ApmPerformanceMode
* @param[out] PerformanceConfiguration PerformanceConfiguration
*/
Result apmGetPerformanceConfiguration(ApmPerformanceMode PerformanceMode, u32 *PerformanceConfiguration);

148
nx/source/services/apm.c
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@ -1,153 +1,55 @@
#include "types.h" #define NX_SERVICE_ASSUME_NON_DOMAIN
#include "result.h" #include "service_guard.h"
#include "arm/atomics.h"
#include "kernel/ipc.h"
#include "services/apm.h" #include "services/apm.h"
#include "services/sm.h"
static Service g_apmSrv; static Service g_apmSrv;
static Service g_apmISession; static Service g_apmISession;
static u64 g_refCnt;
static Result _apmGetSession(Service* srv, Service* srv_out, u64 cmd_id); static Result _apmCmdGetSession(Service* srv, Service* srv_out, u32 cmd_id);
Result apmInitialize(void) NX_GENERATE_SERVICE_GUARD(apm);
{
atomicIncrement64(&g_refCnt);
if (serviceIsActive(&g_apmSrv)) Result _apmInitialize(void) {
return 0; Result rc = smGetService(&g_apmSrv, "apm");
Result rc = 0;
rc = smGetService(&g_apmSrv, "apm");
// OpenSession. // OpenSession.
// Official sw doesn't open this until using commands which need it, when it wasn't already opened. // Official sw doesn't open this until using commands which need it, when it wasn't already opened.
if (R_SUCCEEDED(rc)) if (R_SUCCEEDED(rc)) rc = _apmCmdGetSession(&g_apmSrv, &g_apmISession, 0);
rc = _apmGetSession(&g_apmSrv, &g_apmISession, 0);
if (R_FAILED(rc))
apmExit();
return rc; return rc;
} }
void apmExit(void) void _apmCleanup(void) {
{ serviceClose(&g_apmISession);
if (atomicDecrement64(&g_refCnt) == 0) { serviceClose(&g_apmSrv);
serviceClose(&g_apmISession);
serviceClose(&g_apmSrv);
}
} }
Service* apmGetServiceSession(void) { Service* apmGetServiceSession(void) {
return &g_apmSrv; return &g_apmSrv;
} }
static Result _apmGetSession(Service* srv, Service* srv_out, u64 cmd_id) { Service* apmGetServiceSession_Session(void) {
IpcCommand c; return &g_apmISession;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = cmd_id;
Result rc = serviceIpcDispatch(srv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
serviceCreate(srv_out, r.Handles[0]);
}
}
return rc;
} }
Result apmSetPerformanceConfiguration(u32 PerformanceMode, u32 PerformanceConfiguration) { static Result _apmCmdGetSession(Service* srv, Service* srv_out, u32 cmd_id) {
IpcCommand c; return serviceDispatch(srv, cmd_id,
ipcInitialize(&c); .out_num_objects = 1,
.out_objects = srv_out,
);
}
struct { Result apmSetPerformanceConfiguration(ApmPerformanceMode PerformanceMode, u32 PerformanceConfiguration) {
u64 magic; const struct {
u64 cmd_id;
u32 PerformanceMode; u32 PerformanceMode;
u32 PerformanceConfiguration; u32 PerformanceConfiguration;
} *raw; } in = { PerformanceMode, PerformanceConfiguration };
raw = ipcPrepareHeader(&c, sizeof(*raw)); return serviceDispatchIn(&g_apmISession, 0, in);
raw->magic = SFCI_MAGIC;
raw->cmd_id = 0;
raw->PerformanceMode = PerformanceMode;
raw->PerformanceConfiguration = PerformanceConfiguration;
Result rc = serviceIpcDispatch(&g_apmISession);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
}
return rc;
} }
Result apmGetPerformanceConfiguration(u32 PerformanceMode, u32 *PerformanceConfiguration) { Result apmGetPerformanceConfiguration(ApmPerformanceMode PerformanceMode, u32 *PerformanceConfiguration) {
IpcCommand c; u32 tmp=PerformanceMode;
ipcInitialize(&c); return serviceDispatchInOut(&g_apmISession, 1, tmp, *PerformanceConfiguration);
struct {
u64 magic;
u64 cmd_id;
u32 PerformanceMode;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 1;
raw->PerformanceMode = PerformanceMode;
Result rc = serviceIpcDispatch(&g_apmISession);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
u32 PerformanceConfiguration;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && PerformanceConfiguration) *PerformanceConfiguration = resp->PerformanceConfiguration;
}
return rc;
} }