| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright (c) 2019 MediaTek Inc. |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _MTK_SCP_H |
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| 7 | #define _MTK_SCP_H |
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| 8 | |
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| 9 | #include <linux/platform_device.h> |
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| 10 | |
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| 11 | typedef void (*scp_ipi_handler_t) (void *data, |
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| 12 | unsigned int len, |
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| 13 | void *priv); |
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| 14 | struct mtk_scp; |
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| 15 | |
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| 16 | /** |
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| 17 | * enum ipi_id - the id of inter-processor interrupt |
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| 18 | * |
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| 19 | * @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel |
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| 20 | * SCP initialization completed. |
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| 21 | * IPI_SCP_INIT is sent from SCP when firmware is |
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| 22 | * loaded. AP doesn't need to send IPI_SCP_INIT |
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| 23 | * command to SCP. |
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| 24 | * For other IPI below, AP should send the request |
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| 25 | * to SCP to trigger the interrupt. |
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| 26 | * @SCP_IPI_MAX: The maximum IPI number |
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| 27 | */ |
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| 28 | |
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| 29 | enum scp_ipi_id { |
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| 30 | SCP_IPI_INIT = 0, |
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| 31 | SCP_IPI_VDEC_H264, |
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| 32 | SCP_IPI_VDEC_VP8, |
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| 33 | SCP_IPI_VDEC_VP9, |
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| 34 | SCP_IPI_VENC_H264, |
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| 35 | SCP_IPI_VENC_VP8, |
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| 36 | SCP_IPI_MDP_INIT, |
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| 37 | SCP_IPI_MDP_DEINIT, |
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| 38 | SCP_IPI_MDP_FRAME, |
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| 39 | SCP_IPI_DIP, |
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| 40 | SCP_IPI_ISP_CMD, |
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| 41 | SCP_IPI_ISP_FRAME, |
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| 42 | SCP_IPI_FD_CMD, |
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| 43 | SCP_IPI_CROS_HOST_CMD, |
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| 44 | SCP_IPI_VDEC_LAT, |
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| 45 | SCP_IPI_VDEC_CORE, |
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| 46 | SCP_IPI_NS_SERVICE = 0xFF, |
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| 47 | SCP_IPI_MAX = 0x100, |
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| 48 | }; |
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| 49 | |
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| 50 | struct mtk_scp *scp_get(struct platform_device *pdev); |
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| 51 | void scp_put(struct mtk_scp *scp); |
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| 52 | |
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| 53 | struct device *scp_get_device(struct mtk_scp *scp); |
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| 54 | struct rproc *scp_get_rproc(struct mtk_scp *scp); |
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| 55 | |
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| 56 | int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler, |
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| 57 | void *priv); |
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| 58 | void scp_ipi_unregister(struct mtk_scp *scp, u32 id); |
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| 59 | |
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| 60 | int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, |
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| 61 | unsigned int wait); |
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| 62 | |
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| 63 | unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp); |
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| 64 | unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp); |
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| 65 | |
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| 66 | void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr); |
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| 67 | |
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| 68 | #endif /* _MTK_SCP_H */ |
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| 69 | |
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