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i2c: implement driver init api

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This commit is contained in:
Michael Scire
2020-10-31 20:14:41 -07:00
committed by SciresM
parent 09f3b29a98
commit b74b309a77
11 changed files with 449 additions and 9 deletions
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8
libraries/libstratosphere/source/i2c/driver/board/nintendo_nx/impl/i2c_bus_accessor.hpp
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@@ -73,14 +73,6 @@ namespace ams::i2c::driver::board::nintendo_nx::impl {
dd::PhysicalAddress GetRegistersPhysicalAddress() const { return this->registers_phys_addr; }
size_t GetRegistersSize() const { return this->registers_size; }
os::InterruptName GetInterruptName() const { return this->interrupt_name; }
void RemoveFrom(BusAccessorList &lst) {
lst.erase(lst.iterator_to(*this));
}
bool IsLinkedToList() const {
return this->bus_accessor_list_node.IsLinked();
}
private:
Result TryOpenRegulatorSession();

27
libraries/libstratosphere/source/i2c/driver/board/nintendo_nx/impl/i2c_bus_manager.hpp Normal file
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@@ -0,0 +1,27 @@
/*
* 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 <stratosphere.hpp>
#include "i2c_bus_accessor.hpp"
#include "i2c_i_allocator.hpp"
namespace ams::i2c::driver::board::nintendo_nx::impl {
class I2cBusAccessorManager : public IAllocator<I2cBusAccessor::BusAccessorList> {
/* ... */
};
}

26
libraries/libstratosphere/source/i2c/driver/board/nintendo_nx/impl/i2c_device_property_manager.hpp Normal file
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@@ -0,0 +1,26 @@
/*
* 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 <stratosphere.hpp>
#include "i2c_i_allocator.hpp"
namespace ams::i2c::driver::board::nintendo_nx::impl {
class I2cDevicePropertyManager : public IAllocator<I2cDeviceProperty::DevicePropertyList> {
/* ... */
};
}

70
libraries/libstratosphere/source/i2c/driver/board/nintendo_nx/impl/i2c_i_allocator.hpp Normal file
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@@ -0,0 +1,70 @@
/*
* 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 <stratosphere.hpp>
namespace ams::i2c::driver::board::nintendo_nx::impl {
template<typename ListType>
class IAllocator {
private:
using T = typename ListType::value_type;
private:
ams::MemoryResource *memory_resource;
ListType list;
mutable os::SdkMutex list_lock;
public:
IAllocator(ams::MemoryResource *mr) : memory_resource(mr), list(), list_lock() { /* ... */ }
~IAllocator() {
/* TODO: Remove all entries, etc */
AMS_ABORT("BusAccessorManager not destructible");
}
template<typename ...Args>
T *Allocate(Args &&...args) {
std::scoped_lock lk(this->list_lock);
/* Allocate space for the object. */
void *storage = this->memory_resource->Allocate(sizeof(T), alignof(T));
AMS_ABORT_UNLESS(storage != nullptr);
/* Construct the object. */
T *t = new (static_cast<T *>(storage)) T(std::forward<Args>(args)...);
/* Link the object into our list. */
this->list.push_back(*t);
return t;
}
template<typename F>
T *Find(F f) {
std::scoped_lock lk(this->list_lock);
for (T &it : this->list) {
if (f(static_cast<const T &>(it))) {
return std::addressof(it);
}
}
return nullptr;
}
/* TODO: Support free */
};
}