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66 lines
1.6 KiB
66 lines
1.6 KiB
/* 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_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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