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Atmosphere/stratosphere/boot/source/i2c/driver/i2c_api.hpp

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/*
* 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 "../i2c_types.hpp"
#include "../i2c_command_list.hpp"
namespace ams::i2c::driver {
struct Session {
size_t bus_idx;
size_t session_id;
};
/* Initialization. */
void Initialize();
void Finalize();
/* Session management. */
void OpenSession(Session *out_session, I2cDevice device);
void CloseSession(Session &session);
/* Communication. */
Result Send(Session &session, const void *src, size_t size, I2cTransactionOption option);
Result Receive(Session &session, void *dst, size_t size, I2cTransactionOption option);
Result ExecuteCommandList(Session &session, void *dst, size_t size, const void *cmd_list, size_t cmd_list_size);
/* Power management. */
void SuspendBuses();
void ResumeBuses();
void SuspendPowerBus();
void ResumePowerBus();
}