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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* AMD SBTSI core driver private definitions.
*
* Copyright (C) 2026 Advanced Micro Devices, Inc.
*/
#ifndef _LINUX_TSI_CORE_H_
#define _LINUX_TSI_CORE_H_
#include <linux/cache.h>
#include <linux/misc/tsi.h>
/**
* struct sbtsi_i3c_priv - per-device state for I3C SBTSI (includes DMA-safe buffers)
* @data: public device state exposed via dev_set_drvdata()
* @tx: outgoing I3C bytes (DMA_TO_DEVICE); [0] register address, [1] value
* @rx: incoming I3C data byte (DMA_FROM_DEVICE)
*/
struct sbtsi_i3c_priv {
struct sbtsi_data data;
u8 tx[2];
u8 rx __aligned(ARCH_DMA_MINALIGN);
};
int create_misc_tsi_device(struct sbtsi_data *data, struct device *dev);
void sbtsi_data_release(struct kref *kref);
#endif /* _LINUX_TSI_CORE_H_ */
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