/* 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 */