69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef _MTK_SCP_H
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#define _MTK_SCP_H
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#include <linux/platform_device.h>
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typedef void (*scp_ipi_handler_t) (void *data,
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unsigned int len,
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void *priv);
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struct mtk_scp;
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/**
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* enum ipi_id - the id of inter-processor interrupt
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*
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* @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel
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* SCP initialization completed.
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* IPI_SCP_INIT is sent from SCP when firmware is
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* loaded. AP doesn't need to send IPI_SCP_INIT
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* command to SCP.
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* For other IPI below, AP should send the request
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* to SCP to trigger the interrupt.
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* @SCP_IPI_MAX: The maximum IPI number
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*/
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enum scp_ipi_id {
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SCP_IPI_INIT = 0,
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SCP_IPI_VDEC_H264,
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SCP_IPI_VDEC_VP8,
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SCP_IPI_VDEC_VP9,
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SCP_IPI_VENC_H264,
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SCP_IPI_VENC_VP8,
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SCP_IPI_MDP_INIT,
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SCP_IPI_MDP_DEINIT,
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SCP_IPI_MDP_FRAME,
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SCP_IPI_DIP,
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SCP_IPI_ISP_CMD,
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SCP_IPI_ISP_FRAME,
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SCP_IPI_FD_CMD,
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SCP_IPI_CROS_HOST_CMD,
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SCP_IPI_VDEC_LAT,
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SCP_IPI_VDEC_CORE,
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SCP_IPI_NS_SERVICE = 0xFF,
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SCP_IPI_MAX = 0x100,
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};
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struct mtk_scp *scp_get(struct platform_device *pdev);
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void scp_put(struct mtk_scp *scp);
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struct device *scp_get_device(struct mtk_scp *scp);
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struct rproc *scp_get_rproc(struct mtk_scp *scp);
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int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler,
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void *priv);
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void scp_ipi_unregister(struct mtk_scp *scp, u32 id);
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int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
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unsigned int wait);
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unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp);
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unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp);
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void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr);
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#endif /* _MTK_SCP_H */
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