30line.h revision 16359
1/* 2 * Copyright (c) 1994, 1995, 1996. FreeBSD(98) porting team. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef __PC98_PC98_30LINE_H__ 30#define __PC98_PC98_30LINE_H__ 31 32#include <pc98/pc98/module.h> 33 34#ifndef LINE30_ROW 35#define LINE30_ROW 30 36#endif 37 38#define _CR 80 39#ifndef _VS 40#define _VS 7 41#endif 42#ifndef _HS 43#define _HS 6 + 1 44#endif 45#ifndef _HFP 46#define _HFP 10 + 1 47#endif 48#ifndef _HBP 49#define _HBP 7 + 1 50#endif 51#ifndef _VFP 52#define _VFP 7 53#endif 54#ifndef _VBP 55#define _VBP 25 56#endif 57 58#define _LF LINE30_ROW*16 59 60#define _GDC_RESET 0x00 61#define _GDC_SYNC 0x0e 62#define _GDC_MASTER 0x6f 63#define _GDC_SLAVE 0x6e 64#define _GDC_START 0x0d 65#define _GDC_STOP 0x0c 66#define _GDC_SCROLL 0x70 67#define _GDC_PITCH 0x47 68 69#define GDC_CR 0 70#define GDC_VS 1 71#define GDC_HS 2 72#define GDC_HFP 3 73#define GDC_HBP 4 74#define GDC_VFP 5 75#define GDC_VBP 6 76#define GDC_LF 7 77 78 79#define _2_5MHZ 0 80#define _5MHZ 1 81 82#define _25L 0 83#define _30L 1 84 85#define T25_G400 0 86#define T30_G400 1 87#define T30_G480 2 88 89static void master_gdc_cmd(unsigned int); 90static void master_gdc_prm(unsigned int); 91static void master_gdc_word_prm(unsigned int); 92static void master_gdc_fifo_empty(void); 93static void master_gdc_wait_vsync(void); 94 95static void gdc_cmd(unsigned int); 96static void gdc_prm(unsigned int); 97static void gdc_word_prm(unsigned int); 98static void gdc_fifo_empty(void); 99static void gdc_wait_vsync(void); 100 101static int check_gdc_clock(void); 102 103static int gdc_INFO = _25L; 104static void initialize_gdc(unsigned int); 105 106static unsigned int master_param[2][8] = { 107{78, 8, 7, 9, 7, 7, 25, 400}, 108{_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, _VFP, _VBP, _LF}}; 109 110static unsigned int slave_param[6][8] = { 111{38, 8, 3, 4, 3, 7, 25, 400}, /* normal */ 112{78, 8, 7, 9, 7, 7, 25, 400}, 113{_CR/2-2, _VS, (_HS)/2-1, (_HFP)/2-1, (_HBP)/2-1, 114_VFP+(_LF-400)/2+8, _VBP+(_LF-400)/2-8, 400}, /* 30 & 400 */ 115{_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, 116_VFP+(_LF-400)/2+8, _VBP+(_LF-400)/2-8, 400}, 117{_CR/2-2, _VS, (_HS)/2-1, (_HFP)/2-1, (_HBP)/2-1, 118_VFP, _VBP, _LF}, /* 30 & 480 */ 119{_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, _VFP, _VBP, _LF}}; 120 121static int SlavePCH[2] = {40,80}; 122static int MasterPCH = 80; 123static int SlaveScrlLF[3] = {400,400,_LF}; 124 125#endif 126