444 lines
8.5 KiB
C
444 lines
8.5 KiB
C
/*
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* $Id: plat_aix.c,v 1.7 1999/03/07 08:36:40 dirk Exp $
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*
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* This file is part of WorkMan, the civilized CD player library
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* (c) 1991-1997 by Steven Grimm (original author)
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* (c) by Dirk Försterling (current 'author' = maintainer)
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* The maintainer can be contacted by his e-mail address:
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* milliByte@DeathsDoor.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* plat_aix - AIX 4.x IDE and SCSI support 16 Dec 1998
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*
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* AIX 4.x Port: Erik O'Shaughnessy
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* Original AIX IDE Code: Cloyce Spradling (xmcd libdi_d/aixioc.c )
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*
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* Taken from the ascd distribution.
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*
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*/
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#ifdef AIXV3
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static char plat_aix_id[] = "$Id: plat_aix.c,v 1.7 1999/03/07 08:36:40 dirk Exp $";
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/cdrom.h>
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#include <sys/devinfo.h>
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#include <sys/scsi.h>
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#include <sys/scdisk.h>
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#include "include/wm_config.h"
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#include "include/wm_struct.h"
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#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
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#define LEADOUT 0xaa
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extern char *cd_device;
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int min_volume = 128;
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int max_volume = 255;
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/* NAME: gen_init
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_init(struct wm_drive *d){
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return 0;
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}
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/* NAME: gen_get_trackcount
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_get_trackcount(struct wm_drive *d,int *tracks){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_TRK_INFO_AUDIO;
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cmd.msf_flag = 0;
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if( ioctl(d->fd,DKAUDIO,&cmd) < 0){
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perror("DKAUDIO");
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return -1;
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}
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*tracks = cmd.indexing.track_index.last_track;
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return 0;
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}
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/* NAME: gen_get_cdlen
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_get_cdlen(struct wm_drive *d,int *frames){
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int tmp;
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return gen_get_trackinfo(d,LEADOUT,&tmp,frames);
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}
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/* NAME: gen_get_trackinfo
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_get_trackinfo(struct wm_drive *d,int track,int *data,int *startframe){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_GET_TRK_MSF;
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cmd.msf_flag = 1;
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cmd.indexing.track_msf.track = track;
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if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
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return -1;
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*startframe = cmd.indexing.track_msf.mins * 60 * 75 +
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cmd.indexing.track_msf.secs * 75 +
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cmd.indexing.track_msf.frames;
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*data = 0;
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return 0;
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}
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/* NAME: gen_get_drive_status
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_get_drive_status(struct wm_drive *d,
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enum wm_cd_modes oldmode,
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enum wm_cd_modes *mode,
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int *pos,
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int *track,
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int *index){
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struct cd_audio_cmd cmd;
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*mode = WM_CDM_EJECTED;
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if(d->fd < 0)
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switch( wmcd_open(d) ){
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case -1:
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return -1;
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case 1:
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return 0;
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}
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cmd.audio_cmds = CD_INFO_AUDIO;
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if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
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return -1;
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switch(cmd.status){
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case CD_PLAY_AUDIO:
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*mode = WM_CDM_PLAYING;
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*track = cmd.indexing.info_audio.current_track;
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*index = cmd.indexing.info_audio.current_index;
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*pos = cmd.indexing.info_audio.current_mins * 60 * 75 +
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cmd.indexing.info_audio.current_secs * 75 +
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cmd.indexing.info_audio.current_frames;
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break;
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case CD_PAUSE_AUDIO:
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*mode = WM_CDM_PAUSED;
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*track = cmd.indexing.info_audio.current_track;
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*index = cmd.indexing.info_audio.current_index;
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*pos = cmd.indexing.info_audio.current_mins * 60 * 75 +
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cmd.indexing.info_audio.current_secs * 75 +
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cmd.indexing.info_audio.current_frames;
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break;
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case CD_NO_AUDIO: /* no play audio in progress */
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case CD_COMPLETED: /* play operation completed successfully */
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case CD_STATUS_ERROR: /* invalid status or play stopped due to err */
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case CD_NOT_VALID: /* audio status is invalid or not supported */
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*mode = WM_CDM_STOPPED;
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break;
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default:
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*mode = WM_CDM_UNKNOWN;
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break;
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}
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return 0;
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}
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int scale_volume(int vol,int max){
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return ((vol * (max_volume - min_volume)) / max + min_volume);
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}
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int unscale_volume(int vol,int max){
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int n;
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n = ( vol - min_volume ) * max_volume / (max - min_volume);
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return (n <0)?0:n;
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}
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/* NAME: gen_get_volume
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_get_volume(struct wm_drive *d,int *left,int *right){
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struct cd_audio_cmd cmd;
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int l,r;
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fprintf(stderr,"gen_get_volume\n");
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cmd.audio_cmds = CD_INFO_AUDIO;
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if( ioctl(d->fd,DKAUDIO,&cmd) < 0)
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return -1;
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*left = unscale_volume(cmd.out_port_0_vol,100);
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*right = unscale_volume(cmd.out_port_1_vol,100);
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return 0;
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}
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/* NAME: gen_set_volume
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_set_volume(struct wm_drive *d,int left,int right){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_SET_VOLUME;
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cmd.volume_type = CD_VOLUME_CHNLS;
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cmd.out_port_0_vol = scale_volume(left,100);
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cmd.out_port_1_vol = scale_volume(right,100);
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if( ioctl(d->fd,DKAUDIO,&cmd) < 0){
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perror("CD_SET_VOLUME");
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return -1;
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}
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return 0;
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}
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/* NAME: gen_pause
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_pause(struct wm_drive *d){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_PAUSE_AUDIO;
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return ioctl(d->fd,DKAUDIO,&cmd);
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}
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/* NAME: gen_resume
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_resume(struct wm_drive *d){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_RESUME_AUDIO;
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return ioctl(d->fd,DKAUDIO,&cmd);
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}
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/* NAME: gen_stop
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_stop(struct wm_drive *d){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_STOP_AUDIO;
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return ioctl(d->fd,DKAUDIO,&cmd);
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}
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/* NAME: gen_play
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_play(struct wm_drive *d,int start,int end){
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struct cd_audio_cmd cmd;
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cmd.audio_cmds = CD_PLAY_AUDIO;
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cmd.msf_flag = 1;
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cmd.indexing.msf.first_mins = start / (60*75);
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cmd.indexing.msf.first_secs = (start % (60*75)) / 75;
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cmd.indexing.msf.first_frames = start % 75;
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cmd.indexing.msf.last_mins = end / (60*75);
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cmd.indexing.msf.last_secs = (end % (60*75)) / 75;
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cmd.indexing.msf.last_frames = end % 75;
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if( ioctl(d->fd,DKAUDIO,&cmd) < 0){
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perror("DKAUDIO:CD_PLAY_AUDIO");
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return -1;
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}
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return 0;
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}
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/* NAME: gen_eject
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int gen_eject(struct wm_drive *d){
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return ioctl(d->fd,DKEJECT,NULL);
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}
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/*----------------------------------------*
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* Close the CD tray
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*----------------------------------------*/
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int gen_closetray(struct wm_drive *d)
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{
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#ifdef CAN_CLOSE
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if(!close(d->fd))
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{
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d->fd=-1;
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return(wmcd_reopen(d));
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} else {
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return(-1);
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}
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#else
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/* Always succeed if the drive can't close */
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return(0);
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#endif /* CAN_CLOSE */
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} /* gen_closetray() */
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/* NAME: wm_scsi
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int wm_scsi(struct wm_drive *d,
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uchar_t *cdb, int cdblen,void *retbuf,int retbuflen,int getreply){
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return 0;
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}
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/* NAME: wmcd_open
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*
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* FUNCTION:
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*
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* RETURNS:
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*/
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int wmcd_open(struct wm_drive *d){
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char vendor[32] = WM_STR_GENVENDOR;
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char model[32] = WM_STR_GENMODEL;
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char rev[32] = WM_STR_GENREV;
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int fd;
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if( ! d ){
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errno = EFAULT;
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return -1;
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}
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if(d->fd > -1) /* device already open? */
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return 0;
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if( cd_device == (char *)NULL )
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cd_device = DEFAULT_CD_DEVICE;
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if( (fd=openx(cd_device,O_RDONLY,NULL,SC_SINGLE)) < 0 ){
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perror("openx");
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return 1;
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}
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*d = *(find_drive_struct(vendor, model, rev));
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wm_drive_settype(vendor, model, rev);
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d->fd = fd;
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d->init(d);
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return 0;
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} /* wmcd_open() */
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/*
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* Re-Open the device if it is open.
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*/
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int
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wmcd_reopen( struct wm_drive *d )
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{
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int status;
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do {
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wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "wmcd_reopen ");
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if (d->fd >= 0) /* Device really open? */
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{
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wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closes the device and ");
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status = close( d->fd ); /* close it! */
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/* we know, that the file is closed, do we? */
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d->fd = -1;
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}
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wm_susleep( 1000 );
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wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "calls wmcd_open()\n");
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status = wmcd_open( d ); /* open it as usual */
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wm_susleep( 1000 );
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} while ( status != 0 );
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return status;
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} /* wmcd_reopen() */
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#endif /* _AIX */
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