mtk_jpeg_dec_hw.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2016 MediaTek Inc.
 4 * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
 5 *         Rick Chang <rick.chang@mediatek.com>
 6 *         Xia Jiang <xia.jiang@mediatek.com>
 7 */
 8
 9#ifndef _MTK_JPEG_DEC_HW_H
10#define _MTK_JPEG_DEC_HW_H
11
12#include <media/videobuf2-core.h>
13
14#include "mtk_jpeg_dec_reg.h"
15
16#define MTK_JPEG_COMP_MAX		3
17
18enum {
19	MTK_JPEG_DEC_RESULT_EOF_DONE		= 0,
20	MTK_JPEG_DEC_RESULT_PAUSE		= 1,
21	MTK_JPEG_DEC_RESULT_UNDERFLOW		= 2,
22	MTK_JPEG_DEC_RESULT_OVERFLOW		= 3,
23	MTK_JPEG_DEC_RESULT_ERROR_BS		= 4,
24	MTK_JPEG_DEC_RESULT_ERROR_UNKNOWN	= 6
25};
26
27struct mtk_jpeg_dec_param {
28	u32 pic_w;
29	u32 pic_h;
30	u32 dec_w;
31	u32 dec_h;
32	u32 src_color;
33	u32 dst_fourcc;
34	u32 mcu_w;
35	u32 mcu_h;
36	u32 total_mcu;
37	u32 unit_num;
38	u32 comp_num;
39	u32 comp_id[MTK_JPEG_COMP_MAX];
40	u32 sampling_w[MTK_JPEG_COMP_MAX];
41	u32 sampling_h[MTK_JPEG_COMP_MAX];
42	u32 qtbl_num[MTK_JPEG_COMP_MAX];
43	u32 blk_num;
44	u32 blk_comp[MTK_JPEG_COMP_MAX];
45	u32 membership;
46	u32 dma_mcu;
47	u32 dma_group;
48	u32 dma_last_mcu;
49	u32 img_stride[MTK_JPEG_COMP_MAX];
50	u32 mem_stride[MTK_JPEG_COMP_MAX];
51	u32 comp_w[MTK_JPEG_COMP_MAX];
52	u32 comp_size[MTK_JPEG_COMP_MAX];
53	u32 y_size;
54	u32 uv_size;
55	u32 dec_size;
56	u8 uv_brz_w;
57};
58
59struct mtk_jpeg_bs {
60	dma_addr_t	str_addr;
61	dma_addr_t	end_addr;
62	size_t		size;
63};
64
65struct mtk_jpeg_fb {
66	dma_addr_t	plane_addr[MTK_JPEG_COMP_MAX];
67	size_t		size;
68};
69
70int mtk_jpeg_dec_fill_param(struct mtk_jpeg_dec_param *param);
71u32 mtk_jpeg_dec_get_int_status(void __iomem *dec_reg_base);
72u32 mtk_jpeg_dec_enum_result(u32 irq_result);
73void mtk_jpeg_dec_set_config(void __iomem *base,
74			     bool support_34bits,
75			     struct mtk_jpeg_dec_param *cfg,
76			     u32 bitstream_size,
77			     struct mtk_jpeg_bs *bs,
78			     struct mtk_jpeg_fb *fb);
79void mtk_jpeg_dec_reset(void __iomem *dec_reg_base);
80void mtk_jpeg_dec_start(void __iomem *dec_reg_base);
81
82#endif /* _MTK_JPEG_HW_H */