From a1ddefd3ca099c4e72bf8d40e32b4fada20ce6d3 Mon Sep 17 00:00:00 2001
From: plutoo <plutoo@universe.com>
Date: Sun, 30 May 2021 17:33:11 -0700
Subject: [PATCH] audctl: Initial commit

---
 nx/include/switch/services/audctl.h |  65 ++++++
 nx/source/services/audctl.c         | 342 ++++++++++++++++++++++++++++
 2 files changed, 407 insertions(+)
 create mode 100644 nx/include/switch/services/audctl.h
 create mode 100644 nx/source/services/audctl.c

diff --git a/nx/include/switch/services/audctl.h b/nx/include/switch/services/audctl.h
new file mode 100644
index 00000000..9995b7a7
--- /dev/null
+++ b/nx/include/switch/services/audctl.h
@@ -0,0 +1,65 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    AudioTarget_Invalid = 0,
+    AudioTarget_Speaker = 1,
+    AudioTarget_Headphone = 2,
+    AudioTarget_Tv = 3,
+    AudioTarget_UsbOutputDevice = 4,
+} AudioTarget;
+
+typedef enum {
+    AudioOutputMode_Invalid = 0,
+    AudioOutputMode_Pcm1ch = 1,
+    AudioOutputMode_Pcm2ch = 2,
+    AudioOutputMode_Pcm6ch = 3,
+    AudioOutputMode_PcmAuto = 4,
+} AudioOutputMode;
+
+typedef enum {
+    AudioForceMutePolicy_Disable = 0,
+    AudioForceMutePolicy_SpeakerMuteOnHeadphoneUnplugged = 1,
+} AudioForceMutePolicy;
+
+typedef enum {
+    HeadphoneOutputLevelMode_Normal = 0,
+    HeadphoneOutputLevelMode_HighPower = 1,
+} HeadphoneOutputLevelMode;
+
+Result audctlInitialize(void);
+void audctlExit(void);
+Service* audctlGetServiceSession(void);
+
+Result audctlGetTargetVolume(float* volume_out, AudioTarget target);
+Result audctlSetTargetVolume(AudioTarget target, float volume);
+Result audctlGetTargetVolumeMin(float* volume_out);
+Result audctlGetTargetVolumeMax(float* volume_out);
+Result audctlIsTargetMute(bool* mute_out, AudioTarget target);
+Result audctlSetTargetMute(AudioTarget target, bool mute);
+Result audctlIsTargetConnected(bool* connected_out, AudioTarget target);
+Result audctlSetDefaultTarget(AudioTarget target, u64 fade_in_ns, u64 fade_out_ns);
+Result audctlGetDefaultTarget(AudioTarget* target_out);
+Result audctlGetAudioOutputMode(AudioOutputMode* mode_out, AudioTarget target);
+Result audctlSetAudioOutputMode(AudioTarget target, AudioOutputMode mode);
+Result audctlSetForceMutePolicy(AudioForceMutePolicy policy);
+Result audctlGetForceMutePolicy(AudioForceMutePolicy* policy_out);
+Result audctlGetOutputModeSetting(AudioOutputMode* mode_out, AudioTarget target);
+Result audctlSetOutputModeSetting(AudioTarget target, AudioOutputMode mode);
+Result audctlSetOutputTarget(AudioTarget target);
+Result audctlSetInputTargetForceEnabled(bool enable);
+Result audctlSetHeadphoneOutputLevelMode(HeadphoneOutputLevelMode mode);
+Result audctlGetHeadphoneOutputLevelMode(HeadphoneOutputLevelMode* mode_out);
+Result audctlAcquireAudioVolumeUpdateEventForPlayReport(Event* event_out);
+Result audctlAcquireAudioOutputDeviceUpdateEventForPlayReport(Event* event_out);
+Result audctlGetAudioOutputTargetForPlayReport(AudioTarget* target_out);
+Result audctlNotifyHeadphoneVolumeWarningDisplayedEvent(void);
+Result audctlSetSystemOutputMasterVolume(float volume);
+Result audctlGetSystemOutputMasterVolume(float* volume_out);
+
+#ifdef __cplusplus
+};
+#endif
diff --git a/nx/source/services/audctl.c b/nx/source/services/audctl.c
new file mode 100644
index 00000000..d2b8a5f1
--- /dev/null
+++ b/nx/source/services/audctl.c
@@ -0,0 +1,342 @@
+#define NX_SERVICE_ASSUME_NON_DOMAIN
+#include "service_guard.h"
+#include "kernel/event.h"
+#include "runtime/hosversion.h"
+#include "services/audctl.h"
+
+NX_GENERATE_SERVICE_GUARD(audctl);
+
+static Service g_audctlSrv;
+
+Result _audctlInitialize(void) {
+    return smGetService(&g_audctlSrv, "audctl");
+}
+
+void _audctlCleanup(void) {
+    serviceClose(&g_audctlSrv);
+}
+
+Service* audctlGetServiceSession(void) {
+    return &g_audctlSrv;
+}
+
+Result audctlGetTargetVolume(float* volume_out, AudioTarget target) {
+    const struct {
+        u32 target;
+    } in = { target };
+
+    struct {
+        float volume;
+    } out;
+
+    Result rc = serviceDispatchInOut(&g_audctlSrv, 0, in, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *volume_out = out.volume;
+    }
+    return rc;
+}
+
+Result audctlSetTargetVolume(AudioTarget target, float volume) {
+    const struct {
+        u32 target;
+        float volume;
+    } in = { target, volume };
+
+    return serviceDispatchIn(&g_audctlSrv, 1, in);
+}
+
+Result audctlGetTargetVolumeMin(float* volume_out) {
+    struct {
+        float volume;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 2, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *volume_out = out.volume;
+    }
+    return rc;
+}
+
+Result audctlGetTargetVolumeMax(float* volume_out) {
+    struct {
+        float volume;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 3, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *volume_out = out.volume;
+    }
+    return rc;
+}
+
+Result audctlIsTargetMute(bool* mute_out, AudioTarget target) {
+    const struct {
+        u32 target;
+    } in = { target };
+
+    struct {
+        u8 mute;
+    } out;
+
+    Result rc = serviceDispatchInOut(&g_audctlSrv, 4, in, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *mute_out = out.mute;
+    }
+    return rc;
+}
+
+Result audctlSetTargetMute(AudioTarget target, bool mute) {
+    const struct {
+        u32 mute;
+        u32 target;
+    } in = { mute, target };
+
+    return serviceDispatchIn(&g_audctlSrv, 5, in);
+}
+
+Result audctlIsTargetConnected(bool* connected_out, AudioTarget target) {
+    const struct {
+        u32 target;
+    } in = { target };
+
+    struct {
+        u8 connected;
+    } out;
+
+    Result rc = serviceDispatchInOut(&g_audctlSrv, 6, in, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *connected_out = out.connected;
+    }
+    return rc;
+}
+
+Result audctlSetDefaultTarget(AudioTarget target, u64 fade_in_ns, u64 fade_out_ns) {
+    const struct {
+        u32 target;
+        u32 padding;
+        u64 fade_in_ns;
+        u64 fade_out_ns;
+    } in = { target, 0, fade_in_ns, fade_out_ns  };
+
+    return serviceDispatchIn(&g_audctlSrv, 7, in);
+}
+
+Result audctlGetDefaultTarget(AudioTarget* target_out) {
+    struct {
+        u32 target;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 8, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *target_out = out.target;
+    }
+    return rc;
+}
+
+Result audctlGetAudioOutputMode(AudioOutputMode* mode_out, AudioTarget target) {
+    const struct {
+        u32 target;
+    } in = { target };
+
+    struct {
+        u32 mode;
+    } out;
+
+    Result rc = serviceDispatchInOut(&g_audctlSrv, 9, in, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *mode_out = out.mode;
+    }
+    return rc;
+}
+
+Result audctlSetAudioOutputMode(AudioTarget target, AudioOutputMode mode) {
+    const struct {
+        u32 target;
+        u32 mode;
+    } in = { target, mode };
+
+    return serviceDispatchIn(&g_audctlSrv, 10, in);
+}
+
+Result audctlSetForceMutePolicy(AudioForceMutePolicy policy) {
+    const struct {
+        u32 policy;
+    } in = { policy };
+
+    return serviceDispatchIn(&g_audctlSrv, 11, in);
+}
+
+Result audctlGetForceMutePolicy(AudioForceMutePolicy* policy_out) {
+    struct {
+        u32 policy;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 12, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *policy_out = out.policy;
+    }
+    return rc;
+}
+
+Result audctlGetOutputModeSetting(AudioOutputMode* mode_out, AudioTarget target) {
+    const struct {
+        u32 target;
+    } in = { target };
+
+    struct {
+        u32 mode;
+    } out;
+
+    Result rc = serviceDispatchInOut(&g_audctlSrv, 13, in, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *mode_out = out.mode;
+    }
+    return rc;
+}
+
+Result audctlSetOutputModeSetting(AudioTarget target, AudioOutputMode mode) {
+    const struct {
+        u32 target;
+        u32 mode;
+    } in = { target, mode };
+
+    return serviceDispatchIn(&g_audctlSrv, 14, in);
+}
+
+Result audctlSetOutputTarget(AudioTarget target) {
+    const struct {
+        u32 target;
+    } in = { target };
+
+    return serviceDispatchIn(&g_audctlSrv, 15, in);
+}
+
+Result audctlSetInputTargetForceEnabled(bool enable) {
+    const struct {
+        bool enable;
+    } in = { enable };
+
+    return serviceDispatchIn(&g_audctlSrv, 16, in);
+}
+
+Result audctlSetHeadphoneOutputLevelMode(HeadphoneOutputLevelMode mode) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    const struct {
+        u32 mode;
+    } in = { mode };
+
+    return serviceDispatchIn(&g_audctlSrv, 17, in);
+}
+
+Result audctlGetHeadphoneOutputLevelMode(HeadphoneOutputLevelMode* mode_out) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    struct {
+        u32 mode;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 18, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *mode_out = out.mode;
+    }
+    return rc;
+}
+
+Result audctlAcquireAudioVolumeUpdateEventForPlayReport(Event* event_out) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    Handle tmp_handle;
+
+    Result rc = serviceDispatch(&g_audctlSrv, 19,
+        .out_handle_attrs = { SfOutHandleAttr_HipcCopy },
+        .out_handles = &tmp_handle,
+    );
+
+    if (R_SUCCEEDED(rc)) {
+        eventLoadRemote(event_out, tmp_handle, 1);
+    }
+
+    return rc;
+}
+
+Result audctlAcquireAudioOutputDeviceUpdateEventForPlayReport(Event* event_out) {
+     if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    Handle tmp_handle;
+
+    Result rc = serviceDispatch(&g_audctlSrv, 20,
+        .out_handle_attrs = { SfOutHandleAttr_HipcCopy },
+        .out_handles = &tmp_handle,
+    );
+
+    if (R_SUCCEEDED(rc)) {
+        eventLoadRemote(event_out, tmp_handle, 1);
+    }
+
+    return rc;
+}
+
+Result audctlGetAudioOutputTargetForPlayReport(AudioTarget* target_out) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    struct {
+        u32 target;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 21, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *target_out = out.target;
+    }
+    return rc;
+}
+
+Result audctlNotifyHeadphoneVolumeWarningDisplayedEvent(void) {
+    if (hosversionBefore(3,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return serviceDispatch(&g_audctlSrv, 22);
+}
+
+Result audctlSetSystemOutputMasterVolume(float volume) {
+    if (hosversionBefore(4,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    const struct {
+        float volume;
+    } in = { volume };
+
+    return serviceDispatchIn(&g_audctlSrv, 23, in);
+}
+
+Result audctlGetSystemOutputMasterVolume(float* volume_out) {
+    if (hosversionBefore(4,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    struct {
+        float volume;
+    } out;
+
+    Result rc = serviceDispatchOut(&g_audctlSrv, 24, out);
+
+    if (R_SUCCEEDED(rc)) {
+        *volume_out = out.volume;
+    }
+    return rc;
+}