/drivers/video/platinumfb.h
C Header | 368 lines | 280 code | 29 blank | 59 comment | 0 complexity | 71f747097ea0164f58e6e0b3a48c5cda MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0, LGPL-2.0, AGPL-1.0
- /*
- * linux/drivers/video/platinumfb-hw.c -- Frame buffer device for the
- * Platinum on-board video in PowerMac 7200s (and some clones based
- * on the same motherboard.)
- *
- * Created 09 Feb 1998 by Jon Howell <jonh@cs.dartmouth.edu>
- *
- * Copyright (C) 1998 Jon Howell
- *
- * based on drivers/macintosh/platinum.c: Console support
- * for PowerMac "platinum" display adaptor.
- * Copyright (C) 1996 Paul Mackerras and Mark Abene.
- *
- * based on skeletonfb.c:
- * Created 28 Dec 1997 by Geert Uytterhoeven
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
- /*
- * Structure of the registers for the DACula colormap device.
- */
- struct cmap_regs {
- unsigned char addr;
- char pad1[15];
- unsigned char d1;
- char pad2[15];
- unsigned char d2;
- char pad3[15];
- unsigned char lut;
- char pad4[15];
- };
- /*
- * Structure of the registers for the "platinum" display adaptor".
- */
- struct preg { /* padded register */
- unsigned r; /* notice this is 32 bits. */
- char pad[12];
- };
- struct platinum_regs {
- struct preg reg[128];
- };
- /*
- * Register initialization tables for the platinum display.
- *
- * It seems that there are two different types of platinum display
- * out there. Older ones use the values in clocksel[1], for which
- * the formula for the clock frequency seems to be
- * F = 14.3MHz * c0 / (c1 & 0x1f) / (1 << (c1 >> 5))
- * Newer ones use the values in clocksel[0], for which the formula
- * seems to be
- * F = 15MHz * c0 / ((c1 & 0x1f) + 2) / (1 << (c1 >> 5))
- */
- struct platinum_regvals {
- int fb_offset;
- int pitch[3];
- unsigned regs[26];
- unsigned char offset[3];
- unsigned char mode[3];
- unsigned char dacula_ctrl[3];
- unsigned char clock_params[2][2];
- };
- #define DIV2 0x20
- #define DIV4 0x40
- #define DIV8 0x60
- #define DIV16 0x80
- /* 1280x1024, 75Hz (20) */
- static struct platinum_regvals platinum_reg_init_20 = {
- 0x5c00,
- { 1312, 2592, 2592 },
- { 0xffc, 4, 0, 0, 0, 0, 0x428, 0,
- 0, 0xb3, 0xd3, 0x12, 0x1a5, 0x23, 0x28, 0x2d,
- 0x5e, 0x19e, 0x1a4, 0x854, 0x852, 4, 9, 0x50,
- 0x850, 0x851 }, { 0x58, 0x5d, 0x5d },
- { 0, 0xff, 0xff }, { 0x51, 0x55, 0x55 },
- {{ 45, 3 }, { 66, 7 }}
- };
- /* 1280x960, 75Hz (19) */
- static struct platinum_regvals platinum_reg_init_19 = {
- 0x5c00,
- { 1312, 2592, 2592 },
- { 0xffc, 4, 0, 0, 0, 0, 0x428, 0,
- 0, 0xb2, 0xd2, 0x12, 0x1a3, 0x23, 0x28, 0x2d,
- 0x5c, 0x19c, 0x1a2, 0x7d0, 0x7ce, 4, 9, 0x4c,
- 0x7cc, 0x7cd }, { 0x56, 0x5b, 0x5b },
- { 0, 0xff, 0xff }, { 0x51, 0x55, 0x55 },
- {{ 42, 3 }, { 44, 5 }}
- };
- /* 1152x870, 75Hz (18) */
- static struct platinum_regvals platinum_reg_init_18 = {
- 0x11b0,
- { 1184, 2336, 4640 },
- { 0xff0, 4, 0, 0, 0, 0, 0x38f, 0,
- 0, 0x294, 0x16c, 0x20, 0x2d7, 0x3f, 0x49, 0x53,
- 0x82, 0x2c2, 0x2d6, 0x726, 0x724, 4, 9, 0x52,
- 0x71e, 0x722 }, { 0x74, 0x7c, 0x81 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 26, 0 + DIV2 }, { 42, 6 }}
- };
- /* 1024x768, 75Hz (17) */
- static struct platinum_regvals platinum_reg_init_17 = {
- 0x10b0,
- { 1056, 2080, 4128 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x254, 0x14b, 0x18, 0x295, 0x2f, 0x32, 0x3b,
- 0x80, 0x280, 0x296, 0x648, 0x646, 4, 9, 0x40,
- 0x640, 0x644 }, { 0x72, 0x7a, 0x7f },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 54, 3 + DIV2 }, { 67, 12 }}
- };
- /* 1024x768, 75Hz (16) */
- static struct platinum_regvals platinum_reg_init_16 = {
- 0x10b0,
- { 1056, 2080, 4128 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x250, 0x147, 0x17, 0x28f, 0x2f, 0x35, 0x47,
- 0x82, 0x282, 0x28e, 0x640, 0x63e, 4, 9, 0x3c,
- 0x63c, 0x63d }, { 0x74, 0x7c, 0x81 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 20, 0 + DIV2 }, { 11, 2 }}
- };
- /* 1024x768, 70Hz (15) */
- static struct platinum_regvals platinum_reg_init_15 = {
- 0x10b0,
- { 1056, 2080, 4128 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x254, 0x14b, 0x22, 0x297, 0x43, 0x49, 0x5b,
- 0x86, 0x286, 0x296, 0x64c, 0x64a, 0xa, 0xf, 0x44,
- 0x644, 0x646 }, { 0x78, 0x80, 0x85 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 19, 0 + DIV2 }, { 110, 21 }}
- };
- /* 1024x768, 60Hz (14) */
- static struct platinum_regvals platinum_reg_init_14 = {
- 0x10b0,
- { 1056, 2080, 4128 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x25a, 0x14f, 0x22, 0x29f, 0x43, 0x49, 0x5b,
- 0x8e, 0x28e, 0x29e, 0x64c, 0x64a, 0xa, 0xf, 0x44,
- 0x644, 0x646 }, { 0x80, 0x88, 0x8d },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 71, 6 + DIV2 }, { 118, 13 + DIV2 }}
- };
- /* 832x624, 75Hz (13) */
- static struct platinum_regvals platinum_reg_init_13 = {
- 0x70,
- { 864, 1680, 3344 }, /* MacOS does 1680 instead of 1696 to fit 16bpp in 1MB,
- * and we use 3344 instead of 3360 to fit in 2Mb
- */
- { 0xff0, 4, 0, 0, 0, 0, 0x299, 0,
- 0, 0x21e, 0x120, 0x10, 0x23f, 0x1f, 0x25, 0x37,
- 0x8a, 0x22a, 0x23e, 0x536, 0x534, 4, 9, 0x52,
- 0x532, 0x533 }, { 0x7c, 0x84, 0x89 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 30, 0 + DIV4 }, { 56, 7 + DIV2 }}
- };
- /* 800x600, 75Hz (12) */
- static struct platinum_regvals platinum_reg_init_12 = {
- 0x1010,
- { 832, 1632, 3232 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x1ce, 0x108, 0x14, 0x20f, 0x27, 0x30, 0x39,
- 0x72, 0x202, 0x20e, 0x4e2, 0x4e0, 4, 9, 0x2e,
- 0x4de, 0x4df }, { 0x64, 0x6c, 0x71 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 122, 7 + DIV4 }, { 62, 9 + DIV2 }}
- };
- /* 800x600, 72Hz (11) */
- static struct platinum_regvals platinum_reg_init_11 = {
- 0x1010,
- { 832, 1632, 3232 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x1ca, 0x104, 0x1e, 0x207, 0x3b, 0x44, 0x4d,
- 0x56, 0x1e6, 0x206, 0x534, 0x532, 0xa, 0xe, 0x38,
- 0x4e8, 0x4ec }, { 0x48, 0x50, 0x55 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 26, 0 + DIV4 }, { 42, 6 + DIV2 }}
- };
- /* 800x600, 60Hz (10) */
- static struct platinum_regvals platinum_reg_init_10 = {
- 0x1010,
- { 832, 1632, 3232 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x1ce, 0x108, 0x20, 0x20f, 0x3f, 0x45, 0x5d,
- 0x66, 0x1f6, 0x20e, 0x4e8, 0x4e6, 6, 0xa, 0x34,
- 0x4e4, 0x4e5 }, { 0x58, 0x60, 0x65 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 54, 3 + DIV4 }, { 95, 1 + DIV8 }}
- };
- /* 800x600, 56Hz (9) --unsupported? copy of mode 10 for now... */
- static struct platinum_regvals platinum_reg_init_9 = {
- 0x1010,
- { 832, 1632, 3232 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x1ce, 0x108, 0x20, 0x20f, 0x3f, 0x45, 0x5d,
- 0x66, 0x1f6, 0x20e, 0x4e8, 0x4e6, 6, 0xa, 0x34,
- 0x4e4, 0x4e5 }, { 0x58, 0x60, 0x65 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 54, 3 + DIV4 }, { 88, 1 + DIV8 }}
- };
- /* 768x576, 50Hz Interlaced-PAL (8) */
- static struct platinum_regvals platinum_reg_init_8 = {
- 0x1010,
- { 800, 1568, 3104 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0xc8, 0xec, 0x11, 0x1d7, 0x22, 0x25, 0x36,
- 0x47, 0x1c7, 0x1d6, 0x271, 0x270, 4, 9, 0x27,
- 0x267, 0x26b }, { 0x39, 0x41, 0x46 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 31, 0 + DIV16 }, { 74, 9 + DIV8 }}
- };
- /* 640x870, 75Hz Portrait (7) */
- static struct platinum_regvals platinum_reg_init_7 = {
- 0xb10,
- { 672, 1312, 2592 },
- { 0xff0, 4, 0, 0, 0, 0, 0x320, 0,
- 0, 0x176, 0xd0, 0x14, 0x19f, 0x27, 0x2d, 0x3f,
- 0x4a, 0x18a, 0x19e, 0x72c, 0x72a, 4, 9, 0x58,
- 0x724, 0x72a }, { 0x3c, 0x44, 0x49 },
- { 2, 0, 0xff }, { 0x11, 0x15, 0x19 },
- {{ 30, 0 + DIV4 }, { 56, 7 + DIV2 }}
- };
- /* 640x480, 67Hz (6) */
- static struct platinum_regvals platinum_reg_init_6 = {
- 0x1010,
- { 672, 1312, 2592 },
-