diff options
Diffstat (limited to 'drivers/cdrom/sjcd.h')
| -rw-r--r-- | drivers/cdrom/sjcd.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/cdrom/sjcd.h b/drivers/cdrom/sjcd.h new file mode 100644 index 0000000..0aa5e71 --- /dev/null +++ b/drivers/cdrom/sjcd.h @@ -0,0 +1,181 @@ +/* + * Definitions for a Sanyo CD-ROM interface. + * + * Copyright (C) 1995 Vadim V. Model + * model@cecmow.enet.dec.com + * vadim@rbrf.msk.su + * vadim@ipsun.ras.ru + * Eric van der Maarel + * H.T.M.v.d.Maarel@marin.nl + * + * This information is based on mcd.c from M. Harriss and sjcd102.lst from + * E. Moenkeberg. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __SJCD_H__ +#define __SJCD_H__ + +/* + * Change this to set the I/O port address as default. More flexibility + * come with setup implementation. + */ +#define SJCD_BASE_ADDR 0x340 + +/* + * Change this to set the irq as default. Really SANYO do not use interrupts + * at all. + */ +#define SJCD_INTR_NR 0 + +/* + * Change this to set the dma as default value. really SANYO does not use + * direct memory access at all. + */ +#define SJCD_DMA_NR 0 + +/* + * Macros which allow us to find out the status of the drive. + */ +#define SJCD_STATUS_AVAILABLE( x ) (((x)&0x02)==0) +#define SJCD_DATA_AVAILABLE( x ) (((x)&0x01)==0) + +/* + * Port access macro. Three ports are available: S-data port (command port), + * status port (read only) and D-data port (read only). + */ +#define SJCDPORT( x ) ( sjcd_base + ( x ) ) +#define SJCD_STATUS_PORT SJCDPORT( 1 ) +#define SJCD_S_DATA_PORT SJCDPORT( 0 ) +#define SJCD_COMMAND_PORT SJCDPORT( 0 ) +#define SJCD_D_DATA_PORT SJCDPORT( 2 ) + +/* + * Drive info bits. Drive info available as first (mandatory) byte of + * command completion status. + */ +#define SST_NOT_READY 0x10 /* no disk in the drive (???) */ +#define SST_MEDIA_CHANGED 0x20 /* disk is changed */ +#define SST_DOOR_OPENED 0x40 /* door is open */ + +/* commands */ + +#define SCMD_EJECT_TRAY 0xD0 /* eject tray if not locked */ +#define SCMD_LOCK_TRAY 0xD2 /* lock tray when in */ +#define SCMD_UNLOCK_TRAY 0xD4 /* unlock tray when in */ +#define SCMD_CLOSE_TRAY 0xD6 /* load tray in */ + +#define SCMD_RESET 0xFA /* soft reset */ +#define SCMD_GET_STATUS 0x80 +#define SCMD_GET_VERSION 0xCC + +#define SCMD_DATA_READ 0xA0 /* are the same, depend on mode&args */ +#define SCMD_SEEK 0xA0 +#define SCMD_PLAY 0xA0 + +#define SCMD_GET_QINFO 0xA8 + +#define SCMD_SET_MODE 0xC4 +#define SCMD_MODE_PLAY 0xE0 +#define SCMD_MODE_COOKED (0xF8 & ~0x20) +#define SCMD_MODE_RAW 0xF9 +#define SCMD_MODE_x20_BIT 0x20 /* What is it for ? */ + +#define SCMD_SET_VOLUME 0xAE +#define SCMD_PAUSE 0xE0 +#define SCMD_STOP 0xE0 + +#define SCMD_GET_DISK_INFO 0xAA + +/* + * Some standard arguments for SCMD_GET_DISK_INFO. + */ +#define SCMD_GET_1_TRACK 0xA0 /* get the first track information */ +#define SCMD_GET_L_TRACK 0xA1 /* get the last track information */ +#define SCMD_GET_D_SIZE 0xA2 /* get the whole disk information */ + +/* + * Borrowed from hd.c. Allows to optimize multiple port read commands. + */ +#define S_READ_DATA( port, buf, nr ) insb( port, buf, nr ) + +/* + * We assume that there are no audio disks with TOC length more than this + * number (I personally have never seen disks with more than 20 fragments). + */ +#define SJCD_MAX_TRACKS 100 + +struct msf { + unsigned char min; + unsigned char sec; + unsigned char frame; +}; + +struct sjcd_hw_disk_info { + unsigned char track_control; + unsigned char track_no; + unsigned char x, y, z; + union { + unsigned char track_no; + struct msf track_msf; + } un; +}; + +struct sjcd_hw_qinfo { + unsigned char track_control; + unsigned char track_no; + unsigned char x; + struct msf rel; + struct msf abs; +}; + +struct sjcd_play_msf { + struct msf start; + struct msf end; +}; + +struct sjcd_disk_info { + unsigned char first; + unsigned char last; + struct msf disk_length; + struct msf first_track; +}; + +struct sjcd_toc { + unsigned char ctrl_addr; + unsigned char track; + unsigned char point_index; + struct msf track_time; + struct msf disk_time; +}; + +#if defined( SJCD_GATHER_STAT ) + +struct sjcd_stat { + int ticks; + int tticks[ 8 ]; + int idle_ticks; + int start_ticks; + int mode_ticks; + int read_ticks; + int data_ticks; + int stop_ticks; + int stopping_ticks; +}; + +#endif + +#endif |
