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b562abd956
Add mtk-vcp-mailbox driver to support the communication with VCP remote microprocessor. Signed-off-by: Jjian Zhou <jjian.zhou@mediatek.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
33 lines
771 B
C
33 lines
771 B
C
/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
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/*
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* Copyright (c) 2025 MediaTek Inc.
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*/
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#ifndef __MTK_VCP_MAILBOX_H__
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#define __MTK_VCP_MAILBOX_H__
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#define MTK_VCP_MBOX_SLOT_MAX_SIZE 0x100 /* mbox max slot size */
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/**
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* struct mtk_ipi_info - mailbox message info for mtk-vcp-mailbox
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* @msg: The share buffer between IPC and mailbox driver
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* @len: Message length
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* @id: This is for identification purposes and not actually used
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* by the mailbox hardware.
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* @index: The signal number of the mailbox message.
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* @slot_ofs: Data slot offset.
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* @irq_status: Captures incoming signals for the RX path.
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*
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* It is used between IPC with mailbox driver.
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*/
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struct mtk_ipi_info {
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void *msg;
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u32 len;
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u32 id;
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u32 index;
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u32 slot_ofs;
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u32 irq_status;
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};
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#endif
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