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196 lines
5.2 KiB
196 lines
5.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* valkyriefb.h: Constants of all sorts for valkyriefb |
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* |
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* Created 8 August 1998 by |
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* Martin Costabel <[email protected]> and Kevin Schoedel |
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* |
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* Vmode-switching changes and vmode 15/17 modifications created 29 August |
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* 1998 by Barry K. Nathan <[email protected]>. |
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* |
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* vmode 10 changed by Steven Borley <[email protected]>, 14 mai 2000 |
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* |
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* Ported to 68k Macintosh by David Huggins-Daines <[email protected]> |
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* |
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* Based directly on: |
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* |
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* controlfb.h: Constants of all sorts for controlfb |
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* Copyright (C) 1998 Daniel Jacobowitz <[email protected]> |
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* |
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* pmc-valkyrie.h: Console support for PowerMac "control" display adaptor. |
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* Copyright (C) 1997 Paul Mackerras. |
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* |
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* pmc-valkyrie.c: Console support for PowerMac "control" display adaptor. |
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* Copyright (C) 1997 Paul Mackerras. |
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* |
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* and indirectly from: |
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* |
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* pmc-control.h: Console support for PowerMac "control" display adaptor. |
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* Copyright (C) 1997 Paul Mackerras. |
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* |
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* pmc-control.c: Console support for PowerMac "control" display adaptor. |
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* Copyright (C) 1996 Paul Mackerras. |
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* |
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* platinumfb.c: Console support for PowerMac "platinum" display adaptor. |
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* Copyright (C) 1998 Jon Howell |
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*/ |
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#ifdef CONFIG_MAC |
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/* Valkyrie registers are word-aligned on m68k */ |
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#define VALKYRIE_REG_PADSIZE 3 |
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#else |
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#define VALKYRIE_REG_PADSIZE 7 |
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#endif |
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/* |
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* Structure of the registers for the Valkyrie colormap registers. |
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*/ |
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struct cmap_regs { |
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unsigned char addr; |
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char pad1[VALKYRIE_REG_PADSIZE]; |
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unsigned char lut; |
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}; |
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/* |
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* Structure of the registers for the "valkyrie" display adaptor. |
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*/ |
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struct vpreg { /* padded register */ |
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unsigned char r; |
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char pad[VALKYRIE_REG_PADSIZE]; |
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}; |
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struct valkyrie_regs { |
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struct vpreg mode; |
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struct vpreg depth; |
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struct vpreg status; |
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struct vpreg reg3; |
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struct vpreg intr; |
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struct vpreg reg5; |
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struct vpreg intr_enb; |
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struct vpreg msense; |
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}; |
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/* |
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* Register initialization tables for the valkyrie display. |
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* |
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* Dot clock rate is |
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* 3.9064MHz * 2**clock_params[2] * clock_params[1] / clock_params[0]. |
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*/ |
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struct valkyrie_regvals { |
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unsigned char mode; |
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unsigned char clock_params[3]; |
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int pitch[2]; /* bytes/line, indexed by color_mode */ |
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int hres; |
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int vres; |
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}; |
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#ifndef CONFIG_MAC |
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/* Register values for 1024x768, 75Hz mode (17) */ |
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/* I'm not sure which mode this is (16 or 17), so I'm defining it as 17, |
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* since the equivalent mode in controlfb (which I adapted this from) is |
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* also 17. Just because MacOS can't do this on Valkyrie doesn't mean we |
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* can't! :) |
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* |
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* I was going to use 12, 31, 3, which I found by myself, but instead I'm |
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* using 11, 28, 3 like controlfb, for consistency's sake. |
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*/ |
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static struct valkyrie_regvals valkyrie_reg_init_17 = { |
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15, |
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{ 11, 28, 3 }, /* pixel clock = 79.55MHz for V=74.50Hz */ |
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{ 1024, 0 }, |
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1024, 768 |
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}; |
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/* Register values for 1024x768, 72Hz mode (15) */ |
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/* This used to be 12, 30, 3 for pixel clock = 78.12MHz for V=72.12Hz, but |
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* that didn't match MacOS in the same video mode on this chip, and it also |
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* caused the 15" Apple Studio Display to not work in this mode. While this |
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* mode still doesn't match MacOS exactly (as far as I can tell), it's a lot |
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* closer now, and it works with the Apple Studio Display. |
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* |
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* Yes, even though MacOS calls it "72Hz", in reality it's about 70Hz. |
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*/ |
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static struct valkyrie_regvals valkyrie_reg_init_15 = { |
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15, |
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{ 12, 29, 3 }, /* pixel clock = 75.52MHz for V=69.71Hz? */ |
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/* I interpolated the V=69.71 from the vmode 14 and old 15 |
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* numbers. Is this result correct? |
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*/ |
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{ 1024, 0 }, |
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1024, 768 |
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}; |
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/* Register values for 1024x768, 60Hz mode (14) */ |
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static struct valkyrie_regvals valkyrie_reg_init_14 = { |
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14, |
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{ 15, 31, 3 }, /* pixel clock = 64.58MHz for V=59.62Hz */ |
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{ 1024, 0 }, |
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1024, 768 |
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}; |
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#endif /* !defined CONFIG_MAC */ |
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/* Register values for 832x624, 75Hz mode (13) */ |
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static struct valkyrie_regvals valkyrie_reg_init_13 = { |
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9, |
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{ 23, 42, 3 }, /* pixel clock = 57.07MHz for V=74.27Hz */ |
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{ 832, 0 }, |
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832, 624 |
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}; |
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/* Register values for 800x600, 72Hz mode (11) */ |
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static struct valkyrie_regvals valkyrie_reg_init_11 = { |
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13, |
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{ 17, 27, 3 }, /* pixel clock = 49.63MHz for V=71.66Hz */ |
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{ 800, 0 }, |
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800, 600 |
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}; |
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/* Register values for 800x600, 60Hz mode (10) */ |
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static struct valkyrie_regvals valkyrie_reg_init_10 = { |
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12, |
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{ 25, 32, 3 }, /* pixel clock = 40.0015MHz, |
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used to be 20,53,2, pixel clock 41.41MHz for V=59.78Hz */ |
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{ 800, 1600 }, |
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800, 600 |
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}; |
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/* Register values for 640x480, 67Hz mode (6) */ |
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static struct valkyrie_regvals valkyrie_reg_init_6 = { |
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6, |
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{ 14, 27, 2 }, /* pixel clock = 30.13MHz for V=66.43Hz */ |
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{ 640, 1280 }, |
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640, 480 |
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}; |
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/* Register values for 640x480, 60Hz mode (5) */ |
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static struct valkyrie_regvals valkyrie_reg_init_5 = { |
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11, |
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{ 23, 37, 2 }, /* pixel clock = 25.14MHz for V=59.85Hz */ |
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{ 640, 1280 }, |
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640, 480 |
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}; |
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static struct valkyrie_regvals *valkyrie_reg_init[VMODE_MAX] = { |
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NULL, |
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NULL, |
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NULL, |
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NULL, |
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&valkyrie_reg_init_5, |
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&valkyrie_reg_init_6, |
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NULL, |
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NULL, |
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NULL, |
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&valkyrie_reg_init_10, |
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&valkyrie_reg_init_11, |
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NULL, |
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&valkyrie_reg_init_13, |
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#ifndef CONFIG_MAC |
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&valkyrie_reg_init_14, |
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&valkyrie_reg_init_15, |
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NULL, |
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&valkyrie_reg_init_17, |
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#endif |
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};
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