| /* |
| * 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 }, |
| { 0xff0, 4, 0, 0, 0, 0, 0x209, 0, |
| 0, 0x18e, 0xd8, 0x10, 0x1af, 0x1f, 0x25, 0x37, |
| 0x4a, 0x18a, 0x1ae, 0x41a, 0x418, 4, 9, 0x52, |
| 0x412, 0x416 }, { 0x3c, 0x44, 0x49 }, |
| { 2, 0, 0xff }, { 0x11, 0x15, 0x19 }, |
| {{ 99, 4 + DIV8 }, { 42, 5 + DIV4 }} |
| }; |
| |
| /* 640x480, 60Hz (5) */ |
| static struct platinum_regvals platinum_reg_init_5 = { |
| 0x1010, |
| { 672, 1312, 2592 }, |
| { 0xff0, 4, 0, 0, 0, 0, 0x320, 0, |
| 0, 0x15e, 0xc8, 0x18, 0x18f, 0x2f, 0x35, 0x3e, |
| 0x42, 0x182, 0x18e, 0x41a, 0x418, 2, 7, 0x44, |
| 0x404, 0x408 }, { 0x34, 0x3c, 0x41 }, |
| { 2, 0, 0xff }, { 0x11, 0x15, 0x19 }, |
| {{ 26, 0 + DIV8 }, { 14, 2 + DIV4 }} |
| }; |
| |
| /* 640x480, 60Hz Interlaced-NTSC (4) */ |
| static struct platinum_regvals platinum_reg_init_4 = { |
| 0x1010, |
| { 672, 1312, 2592 }, |
| { 0xff0, 4, 0, 0, 0, 0, 0x320, 0, |
| 0, 0xa5, 0xc3, 0xe, 0x185, 0x1c, 0x1f, 0x30, |
| 0x37, 0x177, 0x184, 0x20d, 0x20c, 5, 0xb, 0x23, |
| 0x203, 0x206 }, { 0x29, 0x31, 0x36 }, |
| { 2, 0, 0xff }, { 0x11, 0x15, 0x19 }, |
| {{ 94, 5 + DIV16 }, { 48, 7 + DIV8 }} |
| }; |
| |
| /* 640x480, 50Hz Interlaced-PAL (3) */ |
| static struct platinum_regvals platinum_reg_init_3 = { |
| 0x1010, |
| { 672, 1312, 2592 }, |
| { 0xff0, 4, 0, 0, 0, 0, 0x320, 0, |
| 0, 0xc8, 0xec, 0x11, 0x1d7, 0x22, 0x25, 0x36, |
| 0x67, 0x1a7, 0x1d6, 0x271, 0x270, 4, 9, 0x57, |
| 0x237, 0x26b }, { 0x59, 0x61, 0x66 }, |
| { 2, 0, 0xff }, { 0x11, 0x15, 0x19 }, |
| {{ 31, 0 + DIV16 }, { 74, 9 + DIV8 }} |
| }; |
| |
| /* 512x384, 60Hz (2) */ |
| static struct platinum_regvals platinum_reg_init_2 = { |
| 0x1010, |
| { 544, 1056, 2080 }, |
| { 0xff0, 4, 0, 0, 0, 0, 0x320, 0, |
| 0, 0x25c, 0x140, 0x10, 0x27f, 0x1f, 0x2b, 0x4f, |
| 0x68, 0x268, 0x27e, 0x32e, 0x32c, 4, 9, 0x2a, |
| 0x32a, 0x32b }, { 0x5a, 0x62, 0x67 }, |
| { 2, 0, 0xff }, { 0x11, 0x15, 0x19 }, |
| {{ 33, 2 + DIV8 }, { 79, 9 + DIV8 }} |
| }; |
| |
| /* 512x384, 60Hz Interlaced-NTSC (1) */ |
| static struct platinum_regvals platinum_reg_init_1 = { |
| 0x1010, |
| { 544, 1056, 2080 }, |
| { 0xff0, 4, 0, 0, 0, 0, 0x320, 0, |
| 0, 0xa5, 0xc3, 0xe, 0x185, 0x1c, 0x1f, 0x30, |
| 0x57, 0x157, 0x184, 0x20d, 0x20c, 5, 0xb, 0x53, |
| 0x1d3, 0x206 }, { 0x49, 0x51, 0x56 }, |
| { 2, 0, 0xff }, { 0x11, 0x15, 0x19 }, |
| {{ 94, 5 + DIV16 }, { 48, 7 + DIV8 }} |
| }; |
| |
| static struct platinum_regvals *platinum_reg_init[VMODE_MAX] = { |
| &platinum_reg_init_1, |
| &platinum_reg_init_2, |
| &platinum_reg_init_3, |
| &platinum_reg_init_4, |
| &platinum_reg_init_5, |
| &platinum_reg_init_6, |
| &platinum_reg_init_7, |
| &platinum_reg_init_8, |
| &platinum_reg_init_9, |
| &platinum_reg_init_10, |
| &platinum_reg_init_11, |
| &platinum_reg_init_12, |
| &platinum_reg_init_13, |
| &platinum_reg_init_14, |
| &platinum_reg_init_15, |
| &platinum_reg_init_16, |
| &platinum_reg_init_17, |
| &platinum_reg_init_18, |
| &platinum_reg_init_19, |
| &platinum_reg_init_20 |
| }; |
| |
| struct vmode_attr { |
| int hres; |
| int vres; |
| int vfreq; |
| int interlaced; |
| }; |
| |
| struct vmode_attr vmode_attrs[VMODE_MAX] = { |
| {512, 384, 60, 1}, |
| {512, 384, 60}, |
| {640, 480, 50, 1}, |
| {640, 480, 60, 1}, |
| {640, 480, 60}, |
| {640, 480, 67}, |
| {640, 870, 75}, |
| {768, 576, 50, 1}, |
| {800, 600, 56}, |
| {800, 600, 60}, |
| {800, 600, 72}, |
| {800, 600, 75}, |
| {832, 624, 75}, |
| {1024, 768, 60}, |
| {1024, 768, 72}, |
| {1024, 768, 75}, |
| {1024, 768, 75}, |
| {1152, 870, 75}, |
| {1280, 960, 75}, |
| {1280, 1024, 75} |
| }; |
| |
