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