mtk-jpegenc: export jpeg encoder functions

mtk jpeg encoder is built as a module, export some functions to make them
visible by other modules.
Signed-off-by: kyrie wu <kyrie.wu@mediatek.com>
Signed-off-by: irui wang <irui.wang@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c

@@ -36,12 +36,14 @@ void mtk_jpeg_enc_reset(void __iomem *base)
 	writel(JPEG_ENC_RESET_BIT, base + JPEG_ENC_RSTB);
 	writel(0, base + JPEG_ENC_CODEC_SEL);
 }
+EXPORT_SYMBOL_GPL(mtk_jpeg_enc_reset);
 
 u32 mtk_jpeg_enc_get_file_size(void __iomem *base)
 {
 	return readl(base + JPEG_ENC_DMA_ADDR0) -
 	       readl(base + JPEG_ENC_DST_ADDR0);
 }
+EXPORT_SYMBOL_GPL(mtk_jpeg_enc_get_file_size);
 
 void mtk_jpeg_enc_start(void __iomem *base)
 {
@@ -51,6 +53,7 @@ void mtk_jpeg_enc_start(void __iomem *base)
 	value |= JPEG_ENC_CTRL_INT_EN_BIT | JPEG_ENC_CTRL_ENABLE_BIT;
 	writel(value, base + JPEG_ENC_CTRL);
 }
+EXPORT_SYMBOL_GPL(mtk_jpeg_enc_start);
 
 void mtk_jpeg_set_enc_src(struct mtk_jpeg_ctx *ctx,  void __iomem *base,
 			  struct vb2_buffer *src_buf)
@@ -67,6 +70,7 @@ void mtk_jpeg_set_enc_src(struct mtk_jpeg_ctx *ctx,  void __iomem *base,
 			writel(dma_addr, base + JPEG_ENC_SRC_CHROMA_ADDR);
 	}
 }
+EXPORT_SYMBOL_GPL(mtk_jpeg_set_enc_src);
 
 void mtk_jpeg_set_enc_dst(struct mtk_jpeg_ctx *ctx, void __iomem *base,
 			  struct vb2_buffer *dst_buf)
@@ -86,6 +90,7 @@ void mtk_jpeg_set_enc_dst(struct mtk_jpeg_ctx *ctx, void __iomem *base,
 	writel(dma_addr & ~0xf, base + JPEG_ENC_DST_ADDR0);
 	writel((dma_addr + size) & ~0xf, base + JPEG_ENC_STALL_ADDR0);
 }
+EXPORT_SYMBOL_GPL(mtk_jpeg_set_enc_dst);
 
 void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx,  void __iomem *base)
 {
@@ -152,3 +157,4 @@ void mtk_jpeg_set_enc_params(struct mtk_jpeg_ctx *ctx,  void __iomem *base)
 
 	writel(ctx->restart_interval, base + JPEG_ENC_RST_MCU_NUM);
 }
+EXPORT_SYMBOL_GPL(mtk_jpeg_set_enc_params);