Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | }; |
Finn Thain | 11e8fac | 2009-11-04 00:43:52 +1100 | [diff] [blame^] | 137 | #endif /* !defined CONFIG_MAC */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Finn Thain | 11e8fac | 2009-11-04 00:43:52 +1100 | [diff] [blame^] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | &valkyrie_reg_init_11, |
| 192 | NULL, |
| 193 | &valkyrie_reg_init_13, |
Finn Thain | 11e8fac | 2009-11-04 00:43:52 +1100 | [diff] [blame^] | 194 | #ifndef CONFIG_MAC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | &valkyrie_reg_init_14, |
| 196 | &valkyrie_reg_init_15, |
| 197 | NULL, |
| 198 | &valkyrie_reg_init_17, |
| 199 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | }; |