1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Allwinner Deinterlace driver
4 *
5 * Copyright (C) 2019 Jernej Skrabec <jernej.skrabec@siol.net>
6 */
7
8#ifndef _SUN8I_DEINTERLACE_H_
9#define _SUN8I_DEINTERLACE_H_
10
11#include <media/v4l2-device.h>
12#include <media/v4l2-mem2mem.h>
13#include <media/videobuf2-v4l2.h>
14#include <media/videobuf2-dma-contig.h>
15
16#include <linux/platform_device.h>
17
18#define DEINTERLACE_NAME		"sun8i-di"
19
20#define DEINTERLACE_MOD_ENABLE			0x00
21#define DEINTERLACE_MOD_ENABLE_EN			BIT(0)
22
23#define DEINTERLACE_FRM_CTRL			0x04
24#define DEINTERLACE_FRM_CTRL_REG_READY			BIT(0)
25#define DEINTERLACE_FRM_CTRL_WB_EN			BIT(2)
26#define DEINTERLACE_FRM_CTRL_OUT_CTRL			BIT(11)
27#define DEINTERLACE_FRM_CTRL_START			BIT(16)
28#define DEINTERLACE_FRM_CTRL_COEF_ACCESS		BIT(23)
29
30#define DEINTERLACE_BYPASS			0x08
31#define DEINTERLACE_BYPASS_CSC				BIT(1)
32
33#define DEINTERLACE_AGTH_SEL			0x0c
34#define DEINTERLACE_AGTH_SEL_LINEBUF			BIT(8)
35
36#define DEINTERLACE_LINT_CTRL			0x10
37#define DEINTERLACE_TRD_PRELUMA			0x1c
38#define DEINTERLACE_BUF_ADDR0			0x20
39#define DEINTERLACE_BUF_ADDR1			0x24
40#define DEINTERLACE_BUF_ADDR2			0x28
41
42#define DEINTERLACE_FIELD_CTRL			0x2c
43#define DEINTERLACE_FIELD_CTRL_FIELD_CNT(v)		((v) & 0xff)
44#define DEINTERLACE_FIELD_CTRL_FIELD_CNT_MSK		(0xff)
45
46#define DEINTERLACE_TB_OFFSET0			0x30
47#define DEINTERLACE_TB_OFFSET1			0x34
48#define DEINTERLACE_TB_OFFSET2			0x38
49#define DEINTERLACE_TRD_PRECHROMA		0x3c
50#define DEINTERLACE_LINE_STRIDE0		0x40
51#define DEINTERLACE_LINE_STRIDE1		0x44
52#define DEINTERLACE_LINE_STRIDE2		0x48
53
54#define DEINTERLACE_IN_FMT			0x4c
55#define DEINTERLACE_IN_FMT_PS(v)			((v) & 3)
56#define DEINTERLACE_IN_FMT_FMT(v)			(((v) & 7) << 4)
57#define DEINTERLACE_IN_FMT_MOD(v)			(((v) & 7) << 8)
58
59#define DEINTERLACE_WB_ADDR0			0x50
60#define DEINTERLACE_WB_ADDR1			0x54
61#define DEINTERLACE_WB_ADDR2			0x58
62
63#define DEINTERLACE_OUT_FMT			0x5c
64#define DEINTERLACE_OUT_FMT_FMT(v)			((v) & 0xf)
65#define DEINTERLACE_OUT_FMT_PS(v)			(((v) & 3) << 5)
66
67#define DEINTERLACE_INT_ENABLE			0x60
68#define DEINTERLACE_INT_ENABLE_WB_EN			BIT(7)
69
70#define DEINTERLACE_INT_STATUS			0x64
71#define DEINTERLACE_INT_STATUS_WRITEBACK		BIT(7)
72
73#define DEINTERLACE_STATUS			0x68
74#define DEINTERLACE_STATUS_COEF_STATUS			BIT(11)
75#define DEINTERLACE_STATUS_WB_ERROR			BIT(12)
76
77#define DEINTERLACE_CSC_COEF			0x70 /* 12 registers */
78
79#define DEINTERLACE_CTRL			0xa0
80#define DEINTERLACE_CTRL_EN				BIT(0)
81#define DEINTERLACE_CTRL_FLAG_OUT_EN			BIT(8)
82#define DEINTERLACE_CTRL_MODE_PASSTROUGH		(0 << 16)
83#define DEINTERLACE_CTRL_MODE_WEAVE			(1 << 16)
84#define DEINTERLACE_CTRL_MODE_BOB			(2 << 16)
85#define DEINTERLACE_CTRL_MODE_MIXED			(3 << 16)
86#define DEINTERLACE_CTRL_DIAG_INTP_EN			BIT(24)
87#define DEINTERLACE_CTRL_TEMP_DIFF_EN			BIT(25)
88
89#define DEINTERLACE_DIAG_INTP			0xa4
90#define DEINTERLACE_DIAG_INTP_TH0(v)			((v) & 0x7f)
91#define DEINTERLACE_DIAG_INTP_TH0_MSK			(0x7f)
92#define DEINTERLACE_DIAG_INTP_TH1(v)			(((v) & 0x7f) << 8)
93#define DEINTERLACE_DIAG_INTP_TH1_MSK			(0x7f << 8)
94#define DEINTERLACE_DIAG_INTP_TH3(v)			(((v) & 0xff) << 24)
95#define DEINTERLACE_DIAG_INTP_TH3_MSK			(0xff << 24)
96
97#define DEINTERLACE_TEMP_DIFF			0xa8
98#define DEINTERLACE_TEMP_DIFF_SAD_CENTRAL_TH(v)		((v) & 0x7f)
99#define DEINTERLACE_TEMP_DIFF_SAD_CENTRAL_TH_MSK	(0x7f)
100#define DEINTERLACE_TEMP_DIFF_AMBIGUITY_TH(v)		(((v) & 0x7f) << 8)
101#define DEINTERLACE_TEMP_DIFF_AMBIGUITY_TH_MSK		(0x7f << 8)
102#define DEINTERLACE_TEMP_DIFF_DIRECT_DITHER_TH(v)	(((v) & 0x7ff) << 16)
103#define DEINTERLACE_TEMP_DIFF_DIRECT_DITHER_TH_MSK	(0x7ff << 16)
104
105#define DEINTERLACE_LUMA_TH			0xac
106#define DEINTERLACE_LUMA_TH_MIN_LUMA(v)			((v) & 0xff)
107#define DEINTERLACE_LUMA_TH_MIN_LUMA_MSK		(0xff)
108#define DEINTERLACE_LUMA_TH_MAX_LUMA(v)			(((v) & 0xff) << 8)
109#define DEINTERLACE_LUMA_TH_MAX_LUMA_MSK		(0xff << 8)
110#define DEINTERLACE_LUMA_TH_AVG_LUMA_SHIFT(v)		(((v) & 0xff) << 16)
111#define DEINTERLACE_LUMA_TH_AVG_LUMA_SHIFT_MSK		(0xff << 16)
112#define DEINTERLACE_LUMA_TH_PIXEL_STATIC(v)		(((v) & 3) << 24)
113#define DEINTERLACE_LUMA_TH_PIXEL_STATIC_MSK		(3 << 24)
114
115#define DEINTERLACE_SPAT_COMP			0xb0
116#define DEINTERLACE_SPAT_COMP_TH2(v)			((v) & 0xff)
117#define DEINTERLACE_SPAT_COMP_TH2_MSK			(0xff)
118#define DEINTERLACE_SPAT_COMP_TH3(v)			(((v) & 0xff) << 16)
119#define DEINTERLACE_SPAT_COMP_TH3_MSK			(0xff << 16)
120
121#define DEINTERLACE_CHROMA_DIFF			0xb4
122#define DEINTERLACE_CHROMA_DIFF_TH(v)			((v) & 0xff)
123#define DEINTERLACE_CHROMA_DIFF_TH_MSK			(0xff)
124#define DEINTERLACE_CHROMA_DIFF_LUMA(v)			(((v) & 0x3f) << 16)
125#define DEINTERLACE_CHROMA_DIFF_LUMA_MSK		(0x3f << 16)
126#define DEINTERLACE_CHROMA_DIFF_CHROMA(v)		(((v) & 0x3f) << 24)
127#define DEINTERLACE_CHROMA_DIFF_CHROMA_MSK		(0x3f << 24)
128
129#define DEINTERLACE_PRELUMA			0xb8
130#define DEINTERLACE_PRECHROMA			0xbc
131#define DEINTERLACE_TILE_FLAG0			0xc0
132#define DEINTERLACE_TILE_FLAG1			0xc4
133#define DEINTERLACE_FLAG_LINE_STRIDE		0xc8
134#define DEINTERLACE_FLAG_SEQ			0xcc
135
136#define DEINTERLACE_WB_LINE_STRIDE_CTRL		0xd0
137#define DEINTERLACE_WB_LINE_STRIDE_CTRL_EN		BIT(0)
138
139#define DEINTERLACE_WB_LINE_STRIDE0		0xd4
140#define DEINTERLACE_WB_LINE_STRIDE1		0xd8
141#define DEINTERLACE_WB_LINE_STRIDE2		0xdc
142#define DEINTERLACE_TRD_CTRL			0xe0
143#define DEINTERLACE_TRD_BUF_ADDR0		0xe4
144#define DEINTERLACE_TRD_BUF_ADDR1		0xe8
145#define DEINTERLACE_TRD_BUF_ADDR2		0xec
146#define DEINTERLACE_TRD_TB_OFF0			0xf0
147#define DEINTERLACE_TRD_TB_OFF1			0xf4
148#define DEINTERLACE_TRD_TB_OFF2			0xf8
149#define DEINTERLACE_TRD_WB_STRIDE		0xfc
150#define DEINTERLACE_CH0_IN_SIZE			0x100
151#define DEINTERLACE_CH0_OUT_SIZE		0x104
152#define DEINTERLACE_CH0_HORZ_FACT		0x108
153#define DEINTERLACE_CH0_VERT_FACT		0x10c
154#define DEINTERLACE_CH0_HORZ_PHASE		0x110
155#define DEINTERLACE_CH0_VERT_PHASE0		0x114
156#define DEINTERLACE_CH0_VERT_PHASE1		0x118
157#define DEINTERLACE_CH0_HORZ_TAP0		0x120
158#define DEINTERLACE_CH0_HORZ_TAP1		0x124
159#define DEINTERLACE_CH0_VERT_TAP		0x128
160#define DEINTERLACE_CH1_IN_SIZE			0x200
161#define DEINTERLACE_CH1_OUT_SIZE		0x204
162#define DEINTERLACE_CH1_HORZ_FACT		0x208
163#define DEINTERLACE_CH1_VERT_FACT		0x20c
164#define DEINTERLACE_CH1_HORZ_PHASE		0x210
165#define DEINTERLACE_CH1_VERT_PHASE0		0x214
166#define DEINTERLACE_CH1_VERT_PHASE1		0x218
167#define DEINTERLACE_CH1_HORZ_TAP0		0x220
168#define DEINTERLACE_CH1_HORZ_TAP1		0x224
169#define DEINTERLACE_CH1_VERT_TAP		0x228
170#define DEINTERLACE_CH0_HORZ_COEF0		0x400 /* 32 registers */
171#define DEINTERLACE_CH0_HORZ_COEF1		0x480 /* 32 registers */
172#define DEINTERLACE_CH0_VERT_COEF		0x500 /* 32 registers */
173#define DEINTERLACE_CH1_HORZ_COEF0		0x600 /* 32 registers */
174#define DEINTERLACE_CH1_HORZ_COEF1		0x680 /* 32 registers */
175#define DEINTERLACE_CH1_VERT_COEF		0x700 /* 32 registers */
176#define DEINTERLACE_CH3_HORZ_COEF0		0x800 /* 32 registers */
177#define DEINTERLACE_CH3_HORZ_COEF1		0x880 /* 32 registers */
178#define DEINTERLACE_CH3_VERT_COEF		0x900 /* 32 registers */
179
180#define DEINTERLACE_MIN_WIDTH	2U
181#define DEINTERLACE_MIN_HEIGHT	2U
182#define DEINTERLACE_MAX_WIDTH	2048U
183#define DEINTERLACE_MAX_HEIGHT	1100U
184
185#define DEINTERLACE_MODE_UV_COMBINED	2
186
187#define DEINTERLACE_IN_FMT_YUV420	2
188
189#define DEINTERLACE_OUT_FMT_YUV420SP	13
190
191#define DEINTERLACE_PS_UVUV		0
192#define DEINTERLACE_PS_VUVU		1
193
194#define DEINTERLACE_IDENTITY_COEF	0x4000
195
196#define DEINTERLACE_SIZE(w, h)	(((h) - 1) << 16 | ((w) - 1))
197
198struct deinterlace_ctx {
199	struct v4l2_fh		fh;
200	struct deinterlace_dev	*dev;
201
202	struct v4l2_pix_format	src_fmt;
203	struct v4l2_pix_format	dst_fmt;
204
205	void			*flag1_buf;
206	dma_addr_t		flag1_buf_dma;
207
208	void			*flag2_buf;
209	dma_addr_t		flag2_buf_dma;
210
211	struct vb2_v4l2_buffer	*prev;
212
213	unsigned int		first_field;
214	unsigned int		field;
215
216	int			aborting;
217};
218
219struct deinterlace_dev {
220	struct v4l2_device	v4l2_dev;
221	struct video_device	vfd;
222	struct device		*dev;
223	struct v4l2_m2m_dev	*m2m_dev;
224
225	/* Device file mutex */
226	struct mutex		dev_mutex;
227
228	void __iomem		*base;
229
230	struct clk		*bus_clk;
231	struct clk		*mod_clk;
232	struct clk		*ram_clk;
233
234	struct reset_control	*rstc;
235};
236
237#endif
238