sdmmc: add DeviceDetector, gpio: implement client api

libraries/libstratosphere/include/stratosphere/gpio/gpio_pad_api.hpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include <stratosphere/ddsf/ddsf_types.hpp>
+#include <stratosphere/gpio/gpio_types.hpp>
+#include <stratosphere/gpio/gpio_select_pad_name.hpp>
+
+namespace ams::gpio {
+
+    struct GpioPadSession {
+        void *_session;
+        os::SystemEventType *_event;
+    };
+
+    Result OpenSession(GpioPadSession *out_session, ams::DeviceCode device_code);
+    void CloseSession(GpioPadSession *session);
+
+    Direction GetDirection(GpioPadSession *session);
+    void SetDirection(GpioPadSession *session, Direction direction);
+
+    GpioValue GetValue(GpioPadSession *session);
+    void SetValue(GpioPadSession *session, GpioValue value);
+
+    InterruptMode GetInterruptMode(GpioPadSession *session);
+    void SetInterruptMode(GpioPadSession *session, InterruptMode mode);
+
+    bool GetInterruptEnable(GpioPadSession *session);
+    void SetInterruptEnable(GpioPadSession *session, bool en);
+
+    InterruptStatus GetInterruptStatus(GpioPadSession *session);
+    void ClearInterruptStatus(GpioPadSession *session);
+
+    int GetDebounceTime(GpioPadSession *session);
+    void SetDebounceTime(GpioPadSession *session, int ms);
+
+    bool GetDebounceEnabled(GpioPadSession *session);
+    void SetDebounceEnabled(GpioPadSession *session, bool en);
+
+    Result BindInterrupt(os::SystemEventType *event, GpioPadSession *session);
+    void UnbindInterrupt(GpioPadSession *session);
+
+    Result IsWakeEventActive(bool *out_is_active, ams::DeviceCode device_code);
+
+}