diff options
| author | Jjian Zhou <jjian.zhou@mediatek.com> | 2025-10-13 09:31:36 +0300 |
|---|---|---|
| committer | Jassi Brar <jassisinghbrar@gmail.com> | 2026-01-18 21:50:45 +0300 |
| commit | b562abd956726f57bb78813b4c77db51d28933a9 (patch) | |
| tree | 56f8ae94de01929e841b89beea3da73f31acfa70 /include/linux | |
| parent | c2b75a5353aec990bbb8bd53737d39b497a7bdaa (diff) | |
| download | linux-b562abd956726f57bb78813b4c77db51d28933a9.tar.xz | |
mailbox: mediatek: Add mtk-vcp-mailbox driver
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>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mailbox/mtk-vcp-mailbox.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/mailbox/mtk-vcp-mailbox.h b/include/linux/mailbox/mtk-vcp-mailbox.h new file mode 100644 index 000000000000..16e59d6780a7 --- /dev/null +++ b/include/linux/mailbox/mtk-vcp-mailbox.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright (c) 2025 MediaTek Inc. + */ + +#ifndef __MTK_VCP_MAILBOX_H__ +#define __MTK_VCP_MAILBOX_H__ + +#define MTK_VCP_MBOX_SLOT_MAX_SIZE 0x100 /* mbox max slot size */ + +/** + * struct mtk_ipi_info - mailbox message info for mtk-vcp-mailbox + * @msg: The share buffer between IPC and mailbox driver + * @len: Message length + * @id: This is for identification purposes and not actually used + * by the mailbox hardware. + * @index: The signal number of the mailbox message. + * @slot_ofs: Data slot offset. + * @irq_status: Captures incoming signals for the RX path. + * + * It is used between IPC with mailbox driver. + */ +struct mtk_ipi_info { + void *msg; + u32 len; + u32 id; + u32 index; + u32 slot_ofs; + u32 irq_status; +}; + +#endif |