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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_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 */
|
|
