sdmmc: add DeviceDetector, gpio: implement client api

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

@@ -0,0 +1,25 @@
+/*
+ * 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/gpio/gpio_types.hpp>
+
+namespace ams::gpio {
+
+    void Initialize();
+    void Finalize();
+
+}

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);
+
+}

libraries/libstratosphere/include/stratosphere/gpio/gpio_pad_name.board.nintendo_nx.hpp

@@ -0,0 +1,55 @@
+/*
+ * 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/gpio/gpio_types.hpp>
+
+namespace ams::gpio {
+
+    enum GpioPadName {
+        GpioPadName_CodecLdoEnTemp =  1,
+        GpioPadName_ButtonVolUp    = 25,
+        GpioPadName_ButtonVolDn    = 26,
+        GpioPadName_SdCd           = 56,
+    };
+
+    /* TODO: Better place for this? */
+    constexpr inline const DeviceCode DeviceCode_CodecLdoEnTemp = 0x33000002;
+    constexpr inline const DeviceCode DeviceCode_ButtonVolUp    = 0x35000002;
+    constexpr inline const DeviceCode DeviceCode_ButtonVolDn    = 0x35000003;
+    constexpr inline const DeviceCode DeviceCode_SdCd           = 0x3C000002;
+
+    constexpr inline GpioPadName ConvertToGpioPadName(DeviceCode dc) {
+        switch (dc.GetInternalValue()) {
+            case DeviceCode_CodecLdoEnTemp.GetInternalValue(): return GpioPadName_CodecLdoEnTemp;
+            case DeviceCode_ButtonVolUp   .GetInternalValue(): return GpioPadName_ButtonVolUp;
+            case DeviceCode_ButtonVolDn   .GetInternalValue(): return GpioPadName_ButtonVolDn;
+            case DeviceCode_SdCd          .GetInternalValue(): return GpioPadName_SdCd;
+            AMS_UNREACHABLE_DEFAULT_CASE();
+        }
+    }
+
+    constexpr inline DeviceCode ConvertToDeviceCode(GpioPadName gpn) {
+        switch (gpn) {
+            case GpioPadName_CodecLdoEnTemp: return DeviceCode_CodecLdoEnTemp;
+            case GpioPadName_ButtonVolUp:    return DeviceCode_ButtonVolUp;
+            case GpioPadName_ButtonVolDn:    return DeviceCode_ButtonVolDn;
+            case GpioPadName_SdCd:           return DeviceCode_SdCd;
+            AMS_UNREACHABLE_DEFAULT_CASE();
+        }
+    }
+
+}

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

@@ -0,0 +1,24 @@
+/*
+ * 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/gpio/gpio_types.hpp>
+
+#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
+    #include <stratosphere/gpio/gpio_pad_name.board.nintendo_nx.hpp>
+#else
+    /* Error? */
+#endif

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

@@ -0,0 +1,44 @@
+/*
+ * 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>
+
+namespace ams::gpio {
+
+    enum InterruptMode {
+        InterruptMode_LowLevel    = 0,
+        InterruptMode_HighLevel   = 1,
+        InterruptMode_RisingEdge  = 2,
+        InterruptMode_FallingEdge = 3,
+        InterruptMode_AnyEdge     = 4,
+    };
+
+    enum Direction {
+        Direction_Input  = 0,
+        Direction_Output = 1,
+    };
+
+    enum GpioValue {
+        GpioValue_Low  = 0,
+        GpioValue_High = 1,
+    };
+
+    enum InterruptStatus {
+        InterruptStatus_Inactive = 0,
+        InterruptStatus_Active   = 1,
+    };
+
+}