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 * $FreeBSD$ 29 */ 30 31#ifndef __PC98_PC98_30LINE_H__ 32#define __PC98_PC98_30LINE_H__ 33 34#define LINE30_ROW 30 35#define _HS 1 + 1 36#define _VS 2 37#define _HFP 3 + 1 38#define _HBP 14 + 1 39#define _VFP 11 40#define _VBP 44 41 42#define _CR 80 43#define _LF LINE30_ROW*16 44 45#define _GDC_RESET 0x00 46#define _GDC_SYNC 0x0e 47#define _GDC_MASTER 0x6f 48#define _GDC_SLAVE 0x6e 49#define _GDC_START 0x0d 50#define _GDC_STOP 0x0c 51#define _GDC_SCROLL 0x70 52#define _GDC_PITCH 0x47 53 54#define GDC_CR 0 55#define GDC_VS 1 56#define GDC_HS 2 57#define GDC_HFP 3 58#define GDC_HBP 4 59#define GDC_VFP 5 60#define GDC_VBP 6 61#define GDC_LF 7 62 63 64#define _24KHZ 0 65#define _31KHZ 1 66 67#define _2_5MHZ 0 68#define _5MHZ 1 69 70#define _25L 0 71#define _30L 1 72 73#define T25_G400 0 74#define T30_G400 1 75#define T30_G480 2 76 77static void master_gdc_cmd(unsigned int); 78static void master_gdc_prm(unsigned int); 79static void master_gdc_word_prm(unsigned int); 80#ifdef LINE30 81static void master_gdc_fifo_empty(void); 82#endif 83static void master_gdc_wait_vsync(void); 84 85static void gdc_cmd(unsigned int); 86#ifdef LINE30 87static void gdc_prm(unsigned int); 88static void gdc_word_prm(unsigned int); 89static void gdc_fifo_empty(void); 90#endif 91static void gdc_wait_vsync(void); 92 93#ifdef LINE30 94static int check_gdc_clock(void); 95 96static int gdc_INFO = _25L; 97#endif 98static int gdc_FH = _24KHZ; 99static void initialize_gdc(unsigned int, int); 100 101#ifdef LINE30 102static unsigned int master_param[2][2][8] = { 103{{78, 8, 7, 9, 7, 7, 25, 400}, /* 400/24k */ 104 {_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, _VFP, _VBP, _LF}}, /* 480/24k */ 105{{78, 2, 7, 3, 7, 13, 34, 400}, /* 400/31k */ 106 {78, 2, 11, 3, 3, 6, 37, 480}}}; /* 480/31k */ 107 108static unsigned int slave_param[2][6][8] = { 109{{38, 8, 3, 4, 3, 7, 25, 400}, /* normal */ 110 {78, 8, 7, 9, 7, 7, 25, 400}, 111 {_CR/2-2, _VS, (_HS)/2-1, (_HFP)/2-1, (_HBP)/2-1, 112 _VFP+(_LF-400)/2+8, _VBP+(_LF-400)/2-8, 400}, /* 30 & 400 */ 113 {_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, 114 _VFP+(_LF-400)/2+8, _VBP+(_LF-400)/2-8, 400}, 115 {_CR/2-2, _VS, (_HS)/2-1, (_HFP)/2-1, (_HBP)/2-1, 116 _VFP, _VBP, _LF}, /* 30 & 480 */ 117 {_CR-2, _VS, _HS-1, _HFP-1, _HBP-1, _VFP, _VBP, _LF}}, 118{{38, 2, 3, 1, 3, 13, 34, 400}, /* normal */ 119 {78, 2, 7, 3, 7, 13, 34, 400}, 120 {38, 2, 5, 1, 1, 6+48, 37+32, 400}, /* 30 & 400 */ 121 {78, 2, 11, 3, 3, 6+48, 37+32, 400}, 122 {38, 2, 5, 1, 1, 6, 37, 480}, /* 30 & 480 */ 123 {78, 2, 11, 3, 3, 6, 37, 480}}}; 124 125static int SlavePCH[2] = {40,80}; 126static int MasterPCH = 80; 127static int SlaveScrlLF[3] = {400,400,_LF}; 128#endif 129 130#endif /* __PC98_PC98_30LINE_H__ */ 131