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/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PC Chen <pc.chen@mediatek.com>
* Tiffany Lin <tiffany.lin@mediatek.com>
*
* 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.
*/
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include "vdec_drv_if.h"
#include "mtk_vcodec_dec.h"
#include "vdec_drv_base.h"
#include "mtk_vcodec_dec_pm.h"
#include "mtk_vpu.h"
const struct vdec_common_if *get_h264_dec_comm_if(void);
const struct vdec_common_if *get_vp8_dec_comm_if(void);
const struct vdec_common_if *get_vp9_dec_comm_if(void);
int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
{
int ret = 0;
switch (fourcc) {
case V4L2_PIX_FMT_H264:
ctx->dec_if = get_h264_dec_comm_if();
break;
case V4L2_PIX_FMT_VP8:
ctx->dec_if = get_vp8_dec_comm_if();
break;
case V4L2_PIX_FMT_VP9:
ctx->dec_if = get_vp9_dec_comm_if();
break;
default:
return -EINVAL;
}
mtk_vdec_lock(ctx);
mtk_vcodec_dec_clock_on(&ctx->dev->pm);
ret = ctx->dec_if->init(ctx, &ctx->drv_handle);
mtk_vcodec_dec_clock_off(&ctx->dev->pm);
mtk_vdec_unlock(ctx);
return ret;
}
int vdec_if_decode(struct mtk_vcodec_ctx *ctx, struct mtk_vcodec_mem *bs,
struct vdec_fb *fb, bool *res_chg)
{
int ret = 0;
if (bs) {
if ((bs->dma_addr & 63) != 0) {
mtk_v4l2_err("bs dma_addr should 64 byte align");
return -EINVAL;
}
}
if (fb) {
if (((fb->base_y.dma_addr & 511) != 0) ||
((fb->base_c.dma_addr & 511) != 0)) {
mtk_v4l2_err("frame buffer dma_addr should 512 byte align");
return -EINVAL;
}
}
if (ctx->drv_handle == 0)
return -EIO;
mtk_vdec_lock(ctx);
mtk_vcodec_set_curr_ctx(ctx->dev, ctx);
mtk_vcodec_dec_clock_on(&ctx->dev->pm);
enable_irq(ctx->dev->dec_irq);
ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg);
disable_irq(ctx->dev->dec_irq);
mtk_vcodec_dec_clock_off(&ctx->dev->pm);
mtk_vcodec_set_curr_ctx(ctx->dev, NULL);
mtk_vdec_unlock(ctx);
return ret;
}
int vdec_if_get_param(struct mtk_vcodec_ctx *ctx, enum vdec_get_param_type type,
void *out)
{
int ret = 0;
if (ctx->drv_handle == 0)
return -EIO;
mtk_vdec_lock(ctx);
ret = ctx->dec_if->get_param(ctx->drv_handle, type, out);
mtk_vdec_unlock(ctx);
return ret;
}
void vdec_if_deinit(struct mtk_vcodec_ctx *ctx)
{
if (ctx->drv_handle == 0)
return;
mtk_vdec_lock(ctx);
mtk_vcodec_dec_clock_on(&ctx->dev->pm);
ctx->dec_if->deinit(ctx->drv_handle);
mtk_vcodec_dec_clock_off(&ctx->dev->pm);
mtk_vdec_unlock(ctx);
ctx->drv_handle = 0;
}
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