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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 */
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