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>
110 lines
2.2 KiB
C
110 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2016 MediaTek Inc.
|
|
* Author: PC Chen <pc.chen@mediatek.com>
|
|
* Tiffany Lin <tiffany.lin@mediatek.com>
|
|
*/
|
|
|
|
#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"
|
|
|
|
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 = &vdec_h264_if;
|
|
break;
|
|
case V4L2_PIX_FMT_VP8:
|
|
ctx->dec_if = &vdec_vp8_if;
|
|
break;
|
|
case V4L2_PIX_FMT_VP9:
|
|
ctx->dec_if = &vdec_vp9_if;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
mtk_vdec_lock(ctx);
|
|
mtk_vcodec_dec_clock_on(&ctx->dev->pm);
|
|
ret = ctx->dec_if->init(ctx);
|
|
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)
|
|
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)
|
|
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)
|
|
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 = NULL;
|
|
}
|