1 /*
2 Definitions for the Philips SAA7196 digital video decoder,
3 scaler, and clock generator circuit (DESCpro), as used in
4 the PlanB video input of the Powermac 7x00/8x00 series.
5
6 Copyright (C) 1998 Michel Lanners (mlan@cpu.lu)
7
8 The register defines are shamelessly copied from the meteor
9 driver out of NetBSD (with permission),
10 and are copyrighted (c) 1995 Mark Tinguely and Jim Lowe
11 (Thanks !)
12
13 Additional debugging and coding by Takashi Oe (toe@unlinfo.unl.edu)
14
15 The default values used for PlanB are my mistakes.
16 */
17
18 /* $Id: saa7196.h,v 1.5 1999/03/26 23:28:47 mlan Exp $ */
19
20 #ifndef _SAA7196_H_
21 #define _SAA7196_H_
22
23 #define SAA7196_NUMREGS 0x31 /* Number of registers (used)*/
24 #define NUM_SUPPORTED_NORM 3 /* Number of supported norms by PlanB */
25
26 /* Decoder part: */
27 #define SAA7196_IDEL 0x00 /* Increment delay */
28 #define SAA7196_HSB5 0x01 /* H-sync begin; 50 hz */
29 #define SAA7196_HSS5 0x02 /* H-sync stop; 50 hz */
30 #define SAA7196_HCB5 0x03 /* H-clamp begin; 50 hz */
31 #define SAA7196_HCS5 0x04 /* H-clamp stop; 50 hz */
32 #define SAA7196_HSP5 0x05 /* H-sync after PHI1; 50 hz */
33 #define SAA7196_LUMC 0x06 /* Luminance control */
34 #define SAA7196_HUEC 0x07 /* Hue control */
35 #define SAA7196_CKTQ 0x08 /* Colour Killer Threshold QAM (PAL, NTSC) */
36 #define SAA7196_CKTS 0x09 /* Colour Killer Threshold SECAM */
37 #define SAA7196_PALS 0x0a /* PAL switch sensitivity */
38 #define SAA7196_SECAMS 0x0b /* SECAM switch sensitivity */
39 #define SAA7196_CGAINC 0x0c /* Chroma gain control */
40 #define SAA7196_STDC 0x0d /* Standard/Mode control */
41 #define SAA7196_IOCC 0x0e /* I/O and Clock Control */
42 #define SAA7196_CTRL1 0x0f /* Control #1 */
43 #define SAA7196_CTRL2 0x10 /* Control #2 */
44 #define SAA7196_CGAINR 0x11 /* Chroma Gain Reference */
45 #define SAA7196_CSAT 0x12 /* Chroma Saturation */
46 #define SAA7196_CONT 0x13 /* Luminance Contrast */
47 #define SAA7196_HSB6 0x14 /* H-sync begin; 60 hz */
48 #define SAA7196_HSS6 0x15 /* H-sync stop; 60 hz */
49 #define SAA7196_HCB6 0x16 /* H-clamp begin; 60 hz */
50 #define SAA7196_HCS6 0x17 /* H-clamp stop; 60 hz */
51 #define SAA7196_HSP6 0x18 /* H-sync after PHI1; 60 hz */
52 #define SAA7196_BRIG 0x19 /* Luminance Brightness */
53
54 /* Scaler part: */
55 #define SAA7196_FMTS 0x20 /* Formats and sequence */
56 #define SAA7196_OUTPIX 0x21 /* Output data pixel/line */
57 #define SAA7196_INPIX 0x22 /* Input data pixel/line */
58 #define SAA7196_HWS 0x23 /* Horiz. window start */
59 #define SAA7196_HFILT 0x24 /* Horiz. filter */
60 #define SAA7196_OUTLINE 0x25 /* Output data lines/field */
61 #define SAA7196_INLINE 0x26 /* Input data lines/field */
62 #define SAA7196_VWS 0x27 /* Vertical window start */
63 #define SAA7196_VYP 0x28 /* AFS/vertical Y processing */
64 #define SAA7196_VBS 0x29 /* Vertical Bypass start */
65 #define SAA7196_VBCNT 0x2a /* Vertical Bypass count */
66 #define SAA7196_VBP 0x2b /* veritcal Bypass Polarity */
67 #define SAA7196_VLOW 0x2c /* Colour-keying lower V limit */
68 #define SAA7196_VHIGH 0x2d /* Colour-keying upper V limit */
69 #define SAA7196_ULOW 0x2e /* Colour-keying lower U limit */
70 #define SAA7196_UHIGH 0x2f /* Colour-keying upper U limit */
71 #define SAA7196_DPATH 0x30 /* Data path setting */
72
73 /* Initialization default values: */
74
75 unsigned char saa_regs[NUM_SUPPORTED_NORM][SAA7196_NUMREGS] = {
76
77 /* PAL, 768x576 (no scaling), composite video-in */
78 /* Decoder: */
79 { 0x50, 0x30, 0x00, 0xe8, 0xb6, 0xe5, 0x63, 0xff,
80 0xfe, 0xf0, 0xfe, 0xe0, 0x20, 0x06, 0x3b, 0x98,
81 0x00, 0x59, 0x41, 0x45, 0x34, 0x0a, 0xf4, 0xd2,
82 0xe9, 0xa2,
83 /* Padding */
84 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
85 /* Scaler: */
86 0x72, 0x80, 0x00, 0x03, 0x8d, 0x20, 0x20, 0x12,
87 0xa5, 0x12, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
88 0x87 },
89
90 /* NTSC, 640x480? (no scaling), composite video-in */
91 /* Decoder: */
92 { 0x50, 0x30, 0x00, 0xe8, 0xb6, 0xe5, 0x50, 0x00,
93 0xf8, 0xf0, 0xfe, 0xe0, 0x00, 0x06, 0x3b, 0x98,
94 0x00, 0x2c, 0x3d, 0x40, 0x34, 0x0a, 0xf4, 0xd2,
95 0xe9, 0x98,
96 /* Padding */
97 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
98 /* Scaler: */
99 0x72, 0x80, 0x80, 0x03, 0x89, 0xf0, 0xf0, 0x0d,
100 0xa0, 0x0d, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
101 0x87 },
102
103 /* SECAM, 768x576 (no scaling), composite video-in */
104 /* Decoder: */
105 { 0x50, 0x30, 0x00, 0xe8, 0xb6, 0xe5, 0x63, 0xff,
106 0xfe, 0xf0, 0xfe, 0xe0, 0x20, 0x07, 0x3b, 0x98,
107 0x00, 0x59, 0x41, 0x45, 0x34, 0x0a, 0xf4, 0xd2,
108 0xe9, 0xa2,
109 /* Padding */
110 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
111 /* Scaler: */
112 0x72, 0x80, 0x00, 0x03, 0x8d, 0x20, 0x20, 0x12,
113 0xa5, 0x12, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
114 0x87 }
115 };
116
117 #endif /* _SAA7196_H_ */
118
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