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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: PC Chen <pc.chen@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 "vdec_drv_if.h"
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#include "mtk_vcodec_dec.h"
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#include "vdec_drv_base.h"
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#include "mtk_vcodec_dec_pm.h"
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#include "mtk_vpu.h"
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const struct vdec_common_if *get_h264_dec_comm_if(void);
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const struct vdec_common_if *get_vp8_dec_comm_if(void);
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const struct vdec_common_if *get_vp9_dec_comm_if(void);
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int vdec_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_H264:
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ctx->dec_if = get_h264_dec_comm_if();
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break;
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case V4L2_PIX_FMT_VP8:
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ctx->dec_if = get_vp8_dec_comm_if();
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break;
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case V4L2_PIX_FMT_VP9:
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ctx->dec_if = get_vp9_dec_comm_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_vdec_lock(ctx);
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mtk_vcodec_dec_clock_on(&ctx->dev->pm);
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ret = ctx->dec_if->init(ctx, &ctx->drv_handle);
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mtk_vcodec_dec_clock_off(&ctx->dev->pm);
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mtk_vdec_unlock(ctx);
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return ret;
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}
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int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs,
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struct vdec_fb *fb, bool *res_chg)
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{
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int ret = 0;
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if (bs) {
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if ((bs->dma_addr & 63) != 0) {
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mtk_v4l2_err("bs dma_addr should 64 byte align");
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return -EINVAL;
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}
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}
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if (fb) {
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if (((fb->base_y.dma_addr & 511) != 0) ||
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((fb->base_c.dma_addr & 511) != 0)) {
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mtk_v4l2_err("frame buffer dma_addr should 512 byte align");
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return -EINVAL;
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}
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}
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if (ctx->drv_handle == 0)
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return -EIO;
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mtk_vdec_lock(ctx);
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mtk_vcodec_set_curr_ctx(ctx->dev, ctx);
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mtk_vcodec_dec_clock_on(&ctx->dev->pm);
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enable_irq(ctx->dev->dec_irq);
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ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg);
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disable_irq(ctx->dev->dec_irq);
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mtk_vcodec_dec_clock_off(&ctx->dev->pm);
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mtk_vcodec_set_curr_ctx(ctx->dev, NULL);
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mtk_vdec_unlock(ctx);
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return ret;
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}
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int vdec_if_get_param(struct mtk_vcodec_ctx *ctx, enum vdec_get_param_type type,
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void *out)
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{
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int ret = 0;
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if (ctx->drv_handle == 0)
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return -EIO;
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mtk_vdec_lock(ctx);
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ret = ctx->dec_if->get_param(ctx->drv_handle, type, out);
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mtk_vdec_unlock(ctx);
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return ret;
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}
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void vdec_if_deinit(struct mtk_vcodec_ctx *ctx)
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{
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if (ctx->drv_handle == 0)
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return;
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mtk_vdec_lock(ctx);
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mtk_vcodec_dec_clock_on(&ctx->dev->pm);
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ctx->dec_if->deinit(ctx->drv_handle);
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mtk_vcodec_dec_clock_off(&ctx->dev->pm);
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mtk_vdec_unlock(ctx);
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ctx->drv_handle = 0;
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}
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