295 lines
10 KiB
C
295 lines
10 KiB
C
/* 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_VCU_H
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#define MTK_VCU_H
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#include <aee.h>
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#include <linux/fdtable.h>
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#include <linux/platform_device.h>
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#ifdef CONFIG_MTK_AEE_FEATURE
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#define vcu_aee_print(string, args...) do {\
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char vcu_name[100];\
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int ret;\
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ret = snprintf(vcu_name, 100, "[VCU] "string, ##args); \
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if (ret > 0)\
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aee_kernel_warning_api(__FILE__, __LINE__, \
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DB_OPT_MMPROFILE_BUFFER | DB_OPT_NE_JBT_TRACES, \
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vcu_name, "[VCU] error:"string, ##args); \
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pr_info("[VCU] error:"string, ##args); \
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} while (0)
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#else
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#define vcu_aee_print(string, args...) do {\
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pr_info("[VCU] error:"string, ##args); \
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} while (0)
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#endif
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/**
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* VCU (Video Communication/Controller Unit)
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* is a tiny processor controlling video hardware
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* related to video codec, scaling and color format converting.
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* VCU interfaces with other blocks by share memory and interrupt.
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**/
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typedef int (*ipi_handler_t)(void *data,
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unsigned int len,
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void *priv);
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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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* @IPI_VCU_INIT: The interrupt from vcu is to notfiy kernel
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* VCU initialization completed.
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* IPI_VCU_INIT is sent from VCU when firmware is
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* loaded. AP doesn't need to send IPI_VCU_INIT
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* command to VCU.
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* For other IPI below, AP should send the request
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* to VCU to trigger the interrupt.
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* @IPI_VDEC_COMMON: The interrupt from vcu is to notify kernel to
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* handle video codecs job, and vice versa.
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* @IPI_VDEC_H264: The interrupt from vcu is to notify kernel to
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* handle H264 vidoe decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_H265: The interrupt from vcu is to notify kernel to
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* handle H265 vidoe decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_VP8: The interrupt from is to notify kernel to
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* handle VP8 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_VP9: The interrupt from vcu is to notify kernel to
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* handle VP9 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_MPEG4: The interrupt from vcu is to notify kernel to
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* handle MPEG4 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_MPEG12: The interrupt from vcu is to notify kernel to
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* handle MPEG1/2 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_WMV: The interrupt from vcu is to notify kernel to
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* handle WMV video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_RV30: The interrupt from vcu is to notify kernel to
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* handle RV30 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_RV40: The interrupt from vcu is to notify kernel to
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* handle RV40 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VDEC_AV1: The interrupt from vcu is to notify kernel to
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* handle AV1 video decoder job, and vice versa.
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* Decode output format is always MT21 no matter what
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* the input format is.
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* @IPI_VENC_COMMON: The interrupt from vcu is to notify kernel to
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* handle video codecs job, and vice versa.
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* @IPI_VENC_H264: The interrupt from vcu is to notify kernel to
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* handle H264 video encoder job, and vice versa.
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* @IPI_VENC_H265: The interrupt from vcu is to notify kernel to
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* handle H265 video encoder job, and vice versa.
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* @IPI_VENC_VP8: The interrupt fro vcu is to notify kernel to
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* handle VP8 video encoder job,, and vice versa.
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* @IPI_VENC_MPEG4 The interrupt from vcu is to notify kernel to
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* handle MPEG4 video encoder job, and vice versa.
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* @IPI_VENC_HYBRID_H264: The interrupt from vcu is to notify kernel
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* to handle hybrid H264 video encoder job, and vice versa.
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* @IPI_MDP: The interrupt from vcu is to notify kernel to
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* handle MDP (Media Data Path) job, and vice versa.
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* @IPI_CAMERA: The interrupt from vcu is to notify kernel to
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* handle camera job, and vice versa.
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* @IPI_MAX: The maximum IPI number
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*/
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enum ipi_id {
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IPI_VCU_INIT = 0,
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IPI_VDEC_COMMON,
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IPI_VDEC_H264,
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IPI_VDEC_H265,
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IPI_VDEC_HEIF,
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IPI_VDEC_VP8,
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IPI_VDEC_VP9,
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IPI_VDEC_MPEG4,
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IPI_VDEC_H263,
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IPI_VDEC_MPEG12,
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IPI_VDEC_WMV,
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IPI_VDEC_RV30,
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IPI_VDEC_RV40,
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IPI_VDEC_AV1,
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IPI_VENC_COMMON,
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IPI_VENC_H264,
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IPI_VENC_H265,
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IPI_VENC_HEIF,
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IPI_VENC_VP8,
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IPI_VENC_MPEG4,
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IPI_VENC_HYBRID_H264,
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IPI_VENC_H263,
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IPI_MDP,
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IPI_MDP_1,
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IPI_MDP_2,
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IPI_MDP_3,
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IPI_CAMERA,
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IPI_MAX = 50,
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};
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enum vcu_codec_type {
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VCU_VDEC = 0,
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VCU_VENC,
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VCU_CODEC_MAX
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};
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/**
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* vcu_ipi_register - register an ipi function
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*
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* @pdev: VCU platform device
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* @id: IPI ID
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* @handler: IPI handler
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* @name: IPI name
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* @priv: private data for IPI handler
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*
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* Register an ipi function to receive ipi interrupt from VCU.
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*
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* Return: Return 0 if ipi registers successfully, otherwise it is failed.
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*/
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int vcu_ipi_register(struct platform_device *pdev, enum ipi_id id,
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ipi_handler_t handler, const char *name, void *priv);
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/**
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* vcu_ipi_send - send data from AP to vcu.
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*
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* @pdev: VCU platform device
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* @id: IPI ID
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* @buf: the data buffer
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* @len: the data buffer length
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*
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* This function is thread-safe. When this function returns,
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* VCU has received the data and starts the processing.
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* When the processing completes, IPI handler registered
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* by vcu_ipi_register will be called in interrupt context.
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*
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* Return: Return 0 if sending data successfully, otherwise it is failed.
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**/
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int vcu_ipi_send(struct platform_device *pdev,
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enum ipi_id id, void *buf,
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unsigned int len, void *priv);
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/**
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* vcu_get_plat_device - get VCU's platform device
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*
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* @pdev: the platform device of the module requesting VCU platform
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* device for using VCU API.
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*
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* Return: Return NULL if it is failed.
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* otherwise it is VCU's platform device
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**/
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struct platform_device *vcu_get_plat_device(struct platform_device *pdev);
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/**
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* vcu_get_vdec_hw_capa - get video decoder hardware capability
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*
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* @pdev: VCU platform device
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*
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* Return: video decoder hardware capability
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**/
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unsigned int vcu_get_vdec_hw_capa(struct platform_device *pdev);
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/**
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* vcu_get_venc_hw_capa - get video encoder hardware capability
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*
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* @pdev: VCU platform device
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*
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* Return: video encoder hardware capability
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**/
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unsigned int vcu_get_venc_hw_capa(struct platform_device *pdev);
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/**
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* vcu_load_firmware - download VCU firmware and boot it
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*
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* @pdev: VCU platform device
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*
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* Return: Return 0 if downloading firmware successfully,
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* otherwise it is failed
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**/
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int vcu_load_firmware(struct platform_device *pdev);
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/**
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* vcu_compare_version - compare firmware version and expected version
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*
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* @pdev: VCU platform device
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* @expected_version: expected version
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*
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* Return: < 0 if firmware version is older than expected version
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* = 0 if firmware version is equal to expected version
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* > 0 if firmware version is newer than expected version
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**/
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int vcu_compare_version(struct platform_device *pdev,
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const char *expected_version);
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/**
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* vcu_mapping_dm_addr - Mapping DTCM/DMEM to kernel virtual address
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*
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* @pdev: VCU platform device
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* @dmem_addr: VCU's data memory address
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*
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* Mapping the VCU's DTCM (Data Tightly-Coupled Memory) /
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* DMEM (Data Extended Memory) memory address to
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* kernel virtual address.
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*
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* Return: Return ERR_PTR(-EINVAL) if mapping failed,
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* otherwise the mapped kernel virtual address
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**/
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void *vcu_mapping_dm_addr(struct platform_device *pdev,
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uintptr_t dtcm_dmem_addr);
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/**
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* vcu_get_task - Get VCUD task information
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*
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* @task: VCUD task
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* @f: VCUD task filie
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* @reset: flag to reset task and file
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*
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* Get VCUD task information from mtk_vcu driver.
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*
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**/
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void vcu_get_task(struct task_struct **task, struct files_struct **f,
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int reset);
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void vcu_get_file_lock(void);
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void vcu_put_file_lock(void);
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void vcu_get_gce_lock(struct platform_device *pdev, unsigned long codec_type);
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void vcu_put_gce_lock(struct platform_device *pdev, unsigned long codec_type);
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int vcu_get_sig_lock(unsigned long *flags);
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void vcu_put_sig_lock(unsigned long flags);
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int vcu_check_vpud_alive(void);
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extern void smp_inner_dcache_flush_all(void);
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int vcu_get_ctx_ipi_binding_lock(struct platform_device *pdev,
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struct mutex **mutex, unsigned long type);
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int vcu_set_codec_ctx(struct platform_device *pdev,
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void *codec_ctx, struct vb2_buffer *src_vb,
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struct vb2_buffer *dst_vb, unsigned long type);
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int vcu_clear_codec_ctx(struct platform_device *pdev,
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void *codec_ctx, unsigned long type);
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extern void venc_encode_prepare(void *ctx_prepare,
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unsigned int core_id, unsigned long *flags);
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extern void venc_encode_unprepare(void *ctx_prepare,
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unsigned int core_id, unsigned long *flags);
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extern int venc_lock(void *ctx_lock, int core_id, bool sec);
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extern void venc_unlock(void *ctx_unlock, int core_id);
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extern void venc_encode_pmqos_gce_begin(void *ctx_begin,
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unsigned int core_id, int job_cnt);
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extern void venc_encode_pmqos_gce_end(void *ctx_end,
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unsigned int core_id, int job_cnt);
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extern void vdec_check_release_lock(void *ctx_check);
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extern void mtk_vcodec_gce_timeout_dump(void *ctx);
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int vcu_set_log(const char *val);
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#endif /* _MTK_VCU_H */
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