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Diffstat (limited to 'drivers/video/fbdev/valkyriefb.h')
-rw-r--r-- | drivers/video/fbdev/valkyriefb.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/drivers/video/fbdev/valkyriefb.h b/drivers/video/fbdev/valkyriefb.h new file mode 100644 index 000000000000..d787441e5a42 --- /dev/null +++ b/drivers/video/fbdev/valkyriefb.h | |||
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1 | /* | ||
2 | * valkyriefb.h: Constants of all sorts for valkyriefb | ||
3 | * | ||
4 | * Created 8 August 1998 by | ||
5 | * Martin Costabel <costabel@wanadoo.fr> and Kevin Schoedel | ||
6 | * | ||
7 | * Vmode-switching changes and vmode 15/17 modifications created 29 August | ||
8 | * 1998 by Barry K. Nathan <barryn@pobox.com>. | ||
9 | * | ||
10 | * vmode 10 changed by Steven Borley <sjb@salix.demon.co.uk>, 14 mai 2000 | ||
11 | * | ||
12 | * Ported to 68k Macintosh by David Huggins-Daines <dhd@debian.org> | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version | ||
17 | * 2 of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * Based directly on: | ||
20 | * | ||
21 | * controlfb.h: Constants of all sorts for controlfb | ||
22 | * Copyright (C) 1998 Daniel Jacobowitz <dan@debian.org> | ||
23 | * | ||
24 | * pmc-valkyrie.h: Console support for PowerMac "control" display adaptor. | ||
25 | * Copyright (C) 1997 Paul Mackerras. | ||
26 | * | ||
27 | * pmc-valkyrie.c: Console support for PowerMac "control" display adaptor. | ||
28 | * Copyright (C) 1997 Paul Mackerras. | ||
29 | * | ||
30 | * and indirectly from: | ||
31 | * | ||
32 | * pmc-control.h: Console support for PowerMac "control" display adaptor. | ||
33 | * Copyright (C) 1997 Paul Mackerras. | ||
34 | * | ||
35 | * pmc-control.c: Console support for PowerMac "control" display adaptor. | ||
36 | * Copyright (C) 1996 Paul Mackerras. | ||
37 | * | ||
38 | * platinumfb.c: Console support for PowerMac "platinum" display adaptor. | ||
39 | * Copyright (C) 1998 Jon Howell | ||
40 | */ | ||
41 | |||
42 | #ifdef CONFIG_MAC | ||
43 | /* Valkyrie registers are word-aligned on m68k */ | ||
44 | #define VALKYRIE_REG_PADSIZE 3 | ||
45 | #else | ||
46 | #define VALKYRIE_REG_PADSIZE 7 | ||
47 | #endif | ||
48 | |||
49 | /* | ||
50 | * Structure of the registers for the Valkyrie colormap registers. | ||
51 | */ | ||
52 | struct cmap_regs { | ||
53 | unsigned char addr; | ||
54 | char pad1[VALKYRIE_REG_PADSIZE]; | ||
55 | unsigned char lut; | ||
56 | }; | ||
57 | |||
58 | /* | ||
59 | * Structure of the registers for the "valkyrie" display adaptor. | ||
60 | */ | ||
61 | |||
62 | struct vpreg { /* padded register */ | ||
63 | unsigned char r; | ||
64 | char pad[VALKYRIE_REG_PADSIZE]; | ||
65 | }; | ||
66 | |||
67 | |||
68 | struct valkyrie_regs { | ||
69 | struct vpreg mode; | ||
70 | struct vpreg depth; | ||
71 | struct vpreg status; | ||
72 | struct vpreg reg3; | ||
73 | struct vpreg intr; | ||
74 | struct vpreg reg5; | ||
75 | struct vpreg intr_enb; | ||
76 | struct vpreg msense; | ||
77 | }; | ||
78 | |||
79 | /* | ||
80 | * Register initialization tables for the valkyrie display. | ||
81 | * | ||
82 | * Dot clock rate is | ||
83 | * 3.9064MHz * 2**clock_params[2] * clock_params[1] / clock_params[0]. | ||
84 | */ | ||
85 | struct valkyrie_regvals { | ||
86 | unsigned char mode; | ||
87 | unsigned char clock_params[3]; | ||
88 | int pitch[2]; /* bytes/line, indexed by color_mode */ | ||
89 | int hres; | ||
90 | int vres; | ||
91 | }; | ||
92 | |||
93 | #ifndef CONFIG_MAC | ||
94 | /* Register values for 1024x768, 75Hz mode (17) */ | ||
95 | /* I'm not sure which mode this is (16 or 17), so I'm defining it as 17, | ||
96 | * since the equivalent mode in controlfb (which I adapted this from) is | ||
97 | * also 17. Just because MacOS can't do this on Valkyrie doesn't mean we | ||
98 | * can't! :) | ||
99 | * | ||
100 | * I was going to use 12, 31, 3, which I found by myself, but instead I'm | ||
101 | * using 11, 28, 3 like controlfb, for consistency's sake. | ||
102 | */ | ||
103 | |||
104 | static struct valkyrie_regvals valkyrie_reg_init_17 = { | ||
105 | 15, | ||
106 | { 11, 28, 3 }, /* pixel clock = 79.55MHz for V=74.50Hz */ | ||
107 | { 1024, 0 }, | ||
108 | 1024, 768 | ||
109 | }; | ||
110 | |||
111 | /* Register values for 1024x768, 72Hz mode (15) */ | ||
112 | /* This used to be 12, 30, 3 for pixel clock = 78.12MHz for V=72.12Hz, but | ||
113 | * that didn't match MacOS in the same video mode on this chip, and it also | ||
114 | * caused the 15" Apple Studio Display to not work in this mode. While this | ||
115 | * mode still doesn't match MacOS exactly (as far as I can tell), it's a lot | ||
116 | * closer now, and it works with the Apple Studio Display. | ||
117 | * | ||
118 | * Yes, even though MacOS calls it "72Hz", in reality it's about 70Hz. | ||
119 | */ | ||
120 | static struct valkyrie_regvals valkyrie_reg_init_15 = { | ||
121 | 15, | ||
122 | { 12, 29, 3 }, /* pixel clock = 75.52MHz for V=69.71Hz? */ | ||
123 | /* I interpolated the V=69.71 from the vmode 14 and old 15 | ||
124 | * numbers. Is this result correct? | ||
125 | */ | ||
126 | { 1024, 0 }, | ||
127 | 1024, 768 | ||
128 | }; | ||
129 | |||
130 | /* Register values for 1024x768, 60Hz mode (14) */ | ||
131 | static struct valkyrie_regvals valkyrie_reg_init_14 = { | ||
132 | 14, | ||
133 | { 15, 31, 3 }, /* pixel clock = 64.58MHz for V=59.62Hz */ | ||
134 | { 1024, 0 }, | ||
135 | 1024, 768 | ||
136 | }; | ||
137 | #endif /* !defined CONFIG_MAC */ | ||
138 | |||
139 | /* Register values for 832x624, 75Hz mode (13) */ | ||
140 | static struct valkyrie_regvals valkyrie_reg_init_13 = { | ||
141 | 9, | ||
142 | { 23, 42, 3 }, /* pixel clock = 57.07MHz for V=74.27Hz */ | ||
143 | { 832, 0 }, | ||
144 | 832, 624 | ||
145 | }; | ||
146 | |||
147 | /* Register values for 800x600, 72Hz mode (11) */ | ||
148 | static struct valkyrie_regvals valkyrie_reg_init_11 = { | ||
149 | 13, | ||
150 | { 17, 27, 3 }, /* pixel clock = 49.63MHz for V=71.66Hz */ | ||
151 | { 800, 0 }, | ||
152 | 800, 600 | ||
153 | }; | ||
154 | |||
155 | /* Register values for 800x600, 60Hz mode (10) */ | ||
156 | static struct valkyrie_regvals valkyrie_reg_init_10 = { | ||
157 | 12, | ||
158 | { 25, 32, 3 }, /* pixel clock = 40.0015MHz, | ||
159 | used to be 20,53,2, pixel clock 41.41MHz for V=59.78Hz */ | ||
160 | { 800, 1600 }, | ||
161 | 800, 600 | ||
162 | }; | ||
163 | |||
164 | /* Register values for 640x480, 67Hz mode (6) */ | ||
165 | static struct valkyrie_regvals valkyrie_reg_init_6 = { | ||
166 | 6, | ||
167 | { 14, 27, 2 }, /* pixel clock = 30.13MHz for V=66.43Hz */ | ||
168 | { 640, 1280 }, | ||
169 | 640, 480 | ||
170 | }; | ||
171 | |||
172 | /* Register values for 640x480, 60Hz mode (5) */ | ||
173 | static struct valkyrie_regvals valkyrie_reg_init_5 = { | ||
174 | 11, | ||
175 | { 23, 37, 2 }, /* pixel clock = 25.14MHz for V=59.85Hz */ | ||
176 | { 640, 1280 }, | ||
177 | 640, 480 | ||
178 | }; | ||
179 | |||
180 | static struct valkyrie_regvals *valkyrie_reg_init[VMODE_MAX] = { | ||
181 | NULL, | ||
182 | NULL, | ||
183 | NULL, | ||
184 | NULL, | ||
185 | &valkyrie_reg_init_5, | ||
186 | &valkyrie_reg_init_6, | ||
187 | NULL, | ||
188 | NULL, | ||
189 | NULL, | ||
190 | &valkyrie_reg_init_10, | ||
191 | &valkyrie_reg_init_11, | ||
192 | NULL, | ||
193 | &valkyrie_reg_init_13, | ||
194 | #ifndef CONFIG_MAC | ||
195 | &valkyrie_reg_init_14, | ||
196 | &valkyrie_reg_init_15, | ||
197 | NULL, | ||
198 | &valkyrie_reg_init_17, | ||
199 | #endif | ||
200 | }; | ||