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https://github.com/torvalds/linux
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bf1d556ad4
MT8183's codec firmware is run by a different remote processor from MT8173. While the firmware interface is basically the same, the way to invoke it differs. Abstract all firmware calls under a layer that will allow us to handle both firmware types transparently. [acourbot: refactor, cleanup and split] [pihsun: fix error path and add mtk_vcodec_fw_release] [hverkuil: fixed some checkpatch alignment warnings] [hverkuil: fixed merge conflicts] Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com> Co-developed-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org> Reviewed-by: Tiffany Lin <tiffany.lin@mediatek.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
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* Jungchang Tsao <jungchang.tsao@mediatek.com>
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* Tiffany Lin <tiffany.lin@mediatek.com>
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*/
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include "venc_drv_base.h"
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#include "venc_drv_if.h"
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#include "mtk_vcodec_enc.h"
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#include "mtk_vcodec_enc_pm.h"
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int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
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{
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int ret = 0;
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switch (fourcc) {
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case V4L2_PIX_FMT_VP8:
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ctx->enc_if = &venc_vp8_if;
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break;
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case V4L2_PIX_FMT_H264:
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ctx->enc_if = &venc_h264_if;
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break;
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default:
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return -EINVAL;
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}
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mtk_venc_lock(ctx);
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mtk_vcodec_enc_clock_on(&ctx->dev->pm);
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ret = ctx->enc_if->init(ctx);
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mtk_vcodec_enc_clock_off(&ctx->dev->pm);
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mtk_venc_unlock(ctx);
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return ret;
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}
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int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
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enum venc_set_param_type type, struct venc_enc_param *in)
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{
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int ret = 0;
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mtk_venc_lock(ctx);
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mtk_vcodec_enc_clock_on(&ctx->dev->pm);
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ret = ctx->enc_if->set_param(ctx->drv_handle, type, in);
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mtk_vcodec_enc_clock_off(&ctx->dev->pm);
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mtk_venc_unlock(ctx);
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return ret;
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}
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int venc_if_encode(struct mtk_vcodec_ctx *ctx,
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enum venc_start_opt opt, struct venc_frm_buf *frm_buf,
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struct mtk_vcodec_mem *bs_buf,
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struct venc_done_result *result)
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{
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int ret = 0;
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unsigned long flags;
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mtk_venc_lock(ctx);
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spin_lock_irqsave(&ctx->dev->irqlock, flags);
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ctx->dev->curr_ctx = ctx;
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spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
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mtk_vcodec_enc_clock_on(&ctx->dev->pm);
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ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf,
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bs_buf, result);
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mtk_vcodec_enc_clock_off(&ctx->dev->pm);
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spin_lock_irqsave(&ctx->dev->irqlock, flags);
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ctx->dev->curr_ctx = NULL;
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spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
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mtk_venc_unlock(ctx);
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return ret;
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}
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int venc_if_deinit(struct mtk_vcodec_ctx *ctx)
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{
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int ret = 0;
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if (!ctx->drv_handle)
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return 0;
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mtk_venc_lock(ctx);
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mtk_vcodec_enc_clock_on(&ctx->dev->pm);
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ret = ctx->enc_if->deinit(ctx->drv_handle);
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mtk_vcodec_enc_clock_off(&ctx->dev->pm);
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mtk_venc_unlock(ctx);
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ctx->drv_handle = NULL;
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return ret;
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}
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