diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_if.c')
| -rw-r--r-- | drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_if.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_if.c new file mode 100644 index 000000000000..d0b459b1603f --- /dev/null +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_if.c @@ -0,0 +1,128 @@ +// 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_dec_ctx *ctx, unsigned int fourcc) +{ + enum mtk_vdec_hw_arch hw_arch = ctx->dev->vdec_pdata->hw_arch; + int ret = 0; + + switch (fourcc) { + case V4L2_PIX_FMT_H264_SLICE: + if (!ctx->dev->vdec_pdata->is_subdev_supported) { + ctx->dec_if = &vdec_h264_slice_if; + ctx->hw_id = MTK_VDEC_CORE; + } else { + ctx->dec_if = &vdec_h264_slice_multi_if; + ctx->hw_id = IS_VDEC_LAT_ARCH(hw_arch) ? MTK_VDEC_LAT0 : MTK_VDEC_CORE; + } + break; + case V4L2_PIX_FMT_H264: + ctx->dec_if = &vdec_h264_if; + ctx->hw_id = MTK_VDEC_CORE; + break; + case V4L2_PIX_FMT_VP8_FRAME: + ctx->dec_if = &vdec_vp8_slice_if; + ctx->hw_id = MTK_VDEC_CORE; + break; + case V4L2_PIX_FMT_VP8: + ctx->dec_if = &vdec_vp8_if; + ctx->hw_id = MTK_VDEC_CORE; + break; + case V4L2_PIX_FMT_VP9: + ctx->dec_if = &vdec_vp9_if; + ctx->hw_id = MTK_VDEC_CORE; + break; + case V4L2_PIX_FMT_VP9_FRAME: + ctx->dec_if = &vdec_vp9_slice_lat_if; + ctx->hw_id = IS_VDEC_LAT_ARCH(hw_arch) ? MTK_VDEC_LAT0 : MTK_VDEC_CORE; + break; + case V4L2_PIX_FMT_HEVC_SLICE: + ctx->dec_if = &vdec_hevc_slice_multi_if; + ctx->hw_id = MTK_VDEC_LAT0; + break; + case V4L2_PIX_FMT_AV1_FRAME: + ctx->dec_if = &vdec_av1_slice_lat_if; + ctx->hw_id = MTK_VDEC_LAT0; + break; + default: + return -EINVAL; + } + + mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id); + ret = ctx->dec_if->init(ctx); + mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id); + + return ret; +} + +int vdec_if_decode(struct mtk_vcodec_dec_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_vdec_err(ctx, "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_vdec_err(ctx, "frame buffer dma_addr should 512 byte align"); + return -EINVAL; + } + } + + if (!ctx->drv_handle) + return -EIO; + + mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id); + mtk_vcodec_set_curr_ctx(ctx->dev, ctx, ctx->hw_id); + ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg); + mtk_vcodec_set_curr_ctx(ctx->dev, NULL, ctx->hw_id); + mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id); + + return ret; +} + +int vdec_if_get_param(struct mtk_vcodec_dec_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_dec_ctx *ctx) +{ + if (!ctx->drv_handle) + return; + + mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id); + ctx->dec_if->deinit(ctx->drv_handle); + mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id); + + ctx->drv_handle = NULL; +} |