| /* 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_ */ |
