1 /* 2 * Definitions for a Sanyo CD-ROM interface. 3 * 4 * Copyright (C) 1995 Vadim V. Model 5 * model@cecmow.enet.dec.com 6 * vadim@rbrf.msk.su 7 * vadim@ipsun.ras.ru 8 * Eric van der Maarel 9 * H.T.M.v.d.Maarel@marin.nl 10 * 11 * This information is based on mcd.c from M. Harriss and sjcd102.lst from 12 * E. Moenkeberg. 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2 of the License, or 17 * (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29 #ifndef __SJCD_H__ 30 #define __SJCD_H__ 31 32 /* 33 * Change this to set the I/O port address as default. More flexibility 34 * come with setup implementation. 35 */ 36 #define SJCD_BASE_ADDR 0x340 37 38 /* 39 * Change this to set the irq as default. Really SANYO do not use interrupts 40 * at all. 41 */ 42 #define SJCD_INTR_NR 0 43 44 /* 45 * Change this to set the dma as default value. really SANYO does not use 46 * direct memory access at all. 47 */ 48 #define SJCD_DMA_NR 0 49 50 /* 51 * Macros which allow us to find out the status of the drive. 52 */ 53 #define SJCD_STATUS_AVAILABLE( x ) (((x)&0x02)==0) 54 #define SJCD_DATA_AVAILABLE( x ) (((x)&0x01)==0) 55 56 /* 57 * Port access macro. Three ports are available: S-data port (command port), 58 * status port (read only) and D-data port (read only). 59 */ 60 #define SJCDPORT( x ) ( sjcd_base + ( x ) ) 61 #define SJCD_STATUS_PORT SJCDPORT( 1 ) 62 #define SJCD_S_DATA_PORT SJCDPORT( 0 ) 63 #define SJCD_COMMAND_PORT SJCDPORT( 0 ) 64 #define SJCD_D_DATA_PORT SJCDPORT( 2 ) 65 66 /* 67 * Drive info bits. Drive info available as first (mandatory) byte of 68 * command completion status. 69 */ 70 #define SST_NOT_READY 0x10 /* no disk in the drive (???) */ 71 #define SST_MEDIA_CHANGED 0x20 /* disk is changed */ 72 #define SST_DOOR_OPENED 0x40 /* door is open */ 73 74 /* commands */ 75 76 #define SCMD_EJECT_TRAY 0xD0 /* eject tray if not locked */ 77 #define SCMD_LOCK_TRAY 0xD2 /* lock tray when in */ 78 #define SCMD_UNLOCK_TRAY 0xD4 /* unlock tray when in */ 79 #define SCMD_CLOSE_TRAY 0xD6 /* load tray in */ 80 81 #define SCMD_RESET 0xFA /* soft reset */ 82 #define SCMD_GET_STATUS 0x80 83 #define SCMD_GET_VERSION 0xCC 84 85 #define SCMD_DATA_READ 0xA0 /* are the same, depend on mode&args */ 86 #define SCMD_SEEK 0xA0 87 #define SCMD_PLAY 0xA0 88 89 #define SCMD_GET_QINFO 0xA8 90 91 #define SCMD_SET_MODE 0xC4 92 #define SCMD_MODE_PLAY 0xE0 93 #define SCMD_MODE_COOKED (0xF8 & ~0x20) 94 #define SCMD_MODE_RAW 0xF9 95 #define SCMD_MODE_x20_BIT 0x20 /* What is it for ? */ 96 97 #define SCMD_SET_VOLUME 0xAE 98 #define SCMD_PAUSE 0xE0 99 #define SCMD_STOP 0xE0 100 101 #define SCMD_GET_DISK_INFO 0xAA 102 103 /* 104 * Some standard arguments for SCMD_GET_DISK_INFO. 105 */ 106 #define SCMD_GET_1_TRACK 0xA0 /* get the first track information */ 107 #define SCMD_GET_L_TRACK 0xA1 /* get the last track information */ 108 #define SCMD_GET_D_SIZE 0xA2 /* get the whole disk information */ 109 110 /* 111 * Borrowed from hd.c. Allows to optimize multiple port read commands. 112 */ 113 #define S_READ_DATA( port, buf, nr ) insb( port, buf, nr ) 114 115 /* 116 * We assume that there are no audio disks with TOC length more than this 117 * number (I personally have never seen disks with more than 20 fragments). 118 */ 119 #define SJCD_MAX_TRACKS 100 120 121 struct msf { 122 unsigned char min; 123 unsigned char sec; 124 unsigned char frame; 125 }; 126 127 struct sjcd_hw_disk_info { 128 unsigned char track_control; 129 unsigned char track_no; 130 unsigned char x, y, z; 131 union { 132 unsigned char track_no; 133 struct msf track_msf; 134 } un; 135 }; 136 137 struct sjcd_hw_qinfo { 138 unsigned char track_control; 139 unsigned char track_no; 140 unsigned char x; 141 struct msf rel; 142 struct msf abs; 143 }; 144 145 struct sjcd_play_msf { 146 struct msf start; 147 struct msf end; 148 }; 149 150 struct sjcd_disk_info { 151 unsigned char first; 152 unsigned char last; 153 struct msf disk_length; 154 struct msf first_track; 155 }; 156 157 struct sjcd_toc { 158 unsigned char ctrl_addr; 159 unsigned char track; 160 unsigned char point_index; 161 struct msf track_time; 162 struct msf disk_time; 163 }; 164 165 #if defined( SJCD_GATHER_STAT ) 166 167 struct sjcd_stat { 168 int ticks; 169 int tticks[ 8 ]; 170 int idle_ticks; 171 int start_ticks; 172 int mode_ticks; 173 int read_ticks; 174 int data_ticks; 175 int stop_ticks; 176 int stopping_ticks; 177 }; 178 179 #endif 180 181 #endif 182