threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (c) 2019 MediaTek Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MTK_RPMSG_MAILBOX_H__
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#define __MTK_RPMSG_MAILBOX_H__
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#include <linux/mailbox_controller.h>
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#include <linux/mailbox_client.h>
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enum MTK_MBOX_STATUS {
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LAST_TX_DONE = 0,
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LAST_TX_BUSY = 1,
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};
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struct mtk_mbox_chan {
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struct mbox_chan *chan;
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struct mtk_mbox_device *mbdev;
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struct mtk_mbox_operations *ops;
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struct mtk_ipi_msg *ipimsg;
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unsigned int mbox;
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unsigned int send_slot;
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unsigned int send_slot_size;
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unsigned int send_pin_index;
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unsigned int send_pin_offset;
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};
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struct mtk_mbox_operations {
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int (*mtk_send_ipi)(struct mtk_mbox_chan *mchan, void *data);
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bool (*mtk_tx_done)(struct mtk_mbox_chan *chan);
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int (*mtk_startup)(struct mtk_mbox_chan *chan);
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void (*mtk_shutdown)(struct mtk_mbox_chan *chan);
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};
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int mtk_mbox_chan_create(struct mbox_controller *mboxctrl,
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struct mtk_mbox_device *mbdev, int num);
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#endif /* __MTK_RPMSG_MAILBOX_H__ */
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