aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/vino.h
blob: de2d615ae7c9492bc14b72eea236cb67a87331a7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/*
 * Driver for the VINO (Video In No Out) system found in SGI Indys.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License version 2 as published by the Free Software Foundation.
 *
 * Copyright (C) 1999 Ulf Karlsson <ulfc@bun.falkenberg.se>
 * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
 */

#ifndef _VINO_H_
#define _VINO_H_

#define VINO_BASE	0x00080000	/* Vino is in the EISA address space,
					 * but it is not an EISA bus card */
#define VINO_PAGE_SIZE	4096

struct sgi_vino_channel {
	u32 _pad_alpha;
	volatile u32 alpha;

#define VINO_CLIP_X(x)		((x) & 0x3ff)		/* bits 0:9 */
#define VINO_CLIP_ODD(x)	(((x) & 0x1ff) << 10)	/* bits 10:18 */
#define VINO_CLIP_EVEN(x)	(((x) & 0x1ff) << 19)	/* bits 19:27 */
	u32 _pad_clip_start;
	volatile u32 clip_start;
	u32 _pad_clip_end;
	volatile u32 clip_end;

#define VINO_FRAMERT_FULL	0xfff
#define VINO_FRAMERT_PAL	(1<<0)			/* 0=NTSC 1=PAL */
#define VINO_FRAMERT_RT(x)	(((x) & 0xfff) << 1)	/* bits 1:12 */
	u32 _pad_frame_rate;
	volatile u32 frame_rate;

	u32 _pad_field_counter;
	volatile u32 field_counter;
	u32 _pad_line_size;
	volatile u32 line_size;
	u32 _pad_line_count;
	volatile u32 line_count;
	u32 _pad_page_index;
	volatile u32 page_index;
	u32 _pad_next_4_desc;
	volatile u32 next_4_desc;
	u32 _pad_start_desc_tbl;
	volatile u32 start_desc_tbl;

#define VINO_DESC_JUMP		(1<<30)
#define VINO_DESC_STOP		(1<<31)
#define VINO_DESC_VALID		(1<<32)
	u32 _pad_desc_0;
	volatile u32 desc_0;
	u32 _pad_desc_1;
	volatile u32 desc_1;
	u32 _pad_desc_2;
	volatile u32 desc_2;
	u32 _pad_Bdesc_3;
	volatile u32 desc_3;

	u32 _pad_fifo_thres;
	volatile u32 fifo_thres;
	u32 _pad_fifo_read;
	volatile u32 fifo_read;
	u32 _pad_fifo_write;
	volatile u32 fifo_write;
};

struct sgi_vino {
#define VINO_CHIP_ID		0xb
#define VINO_REV_NUM(x)		((x) & 0x0f)
#define VINO_ID_VALUE(x)	(((x) & 0xf0) >> 4)
	u32 _pad_rev_id;
	volatile u32 rev_id;

#define VINO_CTRL_LITTLE_ENDIAN		(1<<0)
#define VINO_CTRL_A_EOF_INT		(1<<1)	/* Field transferred int */
#define VINO_CTRL_A_FIFO_INT		(1<<2)	/* FIFO overflow int */
#define VINO_CTRL_A_EOD_INT		(1<<3)	/* End of desc table int */
#define VINO_CTRL_A_INT			(VINO_CTRL_A_EOF_INT | \
					 VINO_CTRL_A_FIFO_INT | \
					 VINO_CTRL_A_EOD_INT)
#define VINO_CTRL_B_EOF_INT		(1<<4)	/* Field transferred int */
#define VINO_CTRL_B_FIFO_INT		(1<<5)	/* FIFO overflow int */
#define VINO_CTRL_B_EOD_INT		(1<<6)	/* End of desc table int */
#define VINO_CTRL_B_INT			(VINO_CTRL_B_EOF_INT | \
					 VINO_CTRL_B_FIFO_INT | \
					 VINO_CTRL_B_EOD_INT)
#define VINO_CTRL_A_DMA_ENBL		(1<<7)
#define VINO_CTRL_A_INTERLEAVE_ENBL	(1<<8)
#define VINO_CTRL_A_SYNC_ENBL		(1<<9)
#define VINO_CTRL_A_SELECT		(1<<10)	/* 1=D1 0=Philips */
#define VINO_CTRL_A_RGB			(1<<11)	/* 1=RGB 0=YUV */
#define VINO_CTRL_A_LUMA_ONLY		(1<<12)
#define VINO_CTRL_A_DEC_ENBL		(1<<13)	/* Decimation */
#define VINO_CTRL_A_DEC_SCALE_MASK	0x1c000	/* bits 14:17 */
#define VINO_CTRL_A_DEC_SCALE_SHIFT	(14)
#define VINO_CTRL_A_DEC_HOR_ONLY	(1<<17)	/* Horizontal only */
#define VINO_CTRL_A_DITHER		(1<<18)	/* 24 -> 8 bit dither */
#define VINO_CTRL_B_DMA_ENBL		(1<<19)
#define VINO_CTRL_B_INTERLEAVE_ENBL	(1<<20)
#define VINO_CTRL_B_SYNC_ENBL		(1<<21)
#define VINO_CTRL_B_SELECT		(1<<22)	/* 1=D1 0=Philips */
#define VINO_CTRL_B_RGB			(1<<23)	/* 1=RGB 0=YUV */
#define VINO_CTRL_B_LUMA_ONLY		(1<<24)
#define VINO_CTRL_B_DEC_ENBL		(1<<25)	/* Decimation */
#define VINO_CTRL_B_DEC_SCALE_MASK	0x1c000000	/* bits 26:28 */
#define VINO_CTRL_B_DEC_SCALE_SHIFT	(26)
#define VINO_CTRL_B_DEC_HOR_ONLY	(1<<29)	/* Decimation horizontal only */
#define VINO_CTRL_B_DITHER		(1<<30)	/* ChanB 24 -> 8 bit dither */
	u32 _pad_control;
	volatile u32 control;

#define VINO_INTSTAT_A_EOF		(1<<0)	/* Field transferred int */
#define VINO_INTSTAT_A_FIFO		(1<<1)	/* FIFO overflow int */
#define VINO_INTSTAT_A_EOD		(1<<2)	/* End of desc table int */
#define VINO_INTSTAT_A			(VINO_INTSTAT_A_EOF | \
					 VINO_INTSTAT_A_FIFO | \
					 VINO_INTSTAT_A_EOD)
#define VINO_INTSTAT_B_EOF		(1<<3)	/* Field transferred int */
#define VINO_INTSTAT_B_FIFO		(1<<4)	/* FIFO overflow int */
#define VINO_INTSTAT_B_EOD		(1<<5)	/* End of desc table int */
#define VINO_INTSTAT_B			(VINO_INTSTAT_B_EOF | \
					 VINO_INTSTAT_B_FIFO | \
					 VINO_INTSTAT_B_EOD)
	u32 _pad_intr_status;
	volatile u32 intr_status;

	u32 _pad_i2c_control;
	volatile u32 i2c_control;
	u32 _pad_i2c_data;
	volatile u32 i2c_data;

	struct sgi_vino_channel a;
	struct sgi_vino_channel b;
};

#endif

Privacy Policy