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author | ache <ache@FreeBSD.org> | 1995-02-22 01:11:36 +0000 |
---|---|---|
committer | ache <ache@FreeBSD.org> | 1995-02-22 01:11:36 +0000 |
commit | 5fb7e070ff8e2f337055898fb132ce5869156ce0 (patch) | |
tree | 91c82b7d76498cd21d0a58b7846b11b4f173bd51 /sys/dev/mcd | |
parent | 69d7415f4fb2dc682b312348895fd3fc69646cb6 (diff) | |
download | FreeBSD-src-5fb7e070ff8e2f337055898fb132ce5869156ce0.zip FreeBSD-src-5fb7e070ff8e2f337055898fb132ce5869156ce0.tar.gz |
Implement tray closing and tray locking
Fix first open fails bug
Diffstat (limited to 'sys/dev/mcd')
-rw-r--r-- | sys/dev/mcd/mcd.c | 149 |
1 files changed, 130 insertions, 19 deletions
diff --git a/sys/dev/mcd/mcd.c b/sys/dev/mcd/mcd.c index e5423b2..f885f5e 100644 --- a/sys/dev/mcd/mcd.c +++ b/sys/dev/mcd/mcd.c @@ -2,7 +2,7 @@ * Copyright 1993 by Holger Veit (data part) * Copyright 1993 by Brian Moore (audio part) * Changes Copyright 1993 by Gary Clark II - * Changes Copyright (C) 1994 by Andrew A. Chernov + * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia * * Rewrote probe routine to work on newer Mitsumi drives. * Additional changes (C) 1994 by Jordan K. Hubbard @@ -187,6 +187,8 @@ static int mcd_play(int unit, struct mcd_read2 *pb); static int mcd_playmsf(int unit, struct ioc_play_msf *pt); static int mcd_pause(int unit); static int mcd_resume(int unit); +static int mcd_lock_door(int unit, int lock); +static int mcd_close_tray(int unit); extern int hz; extern int mcd_probe(struct isa_device *dev); @@ -198,13 +200,17 @@ struct isa_driver mcddriver = { mcd_probe, mcd_attach, "mcd" }; #define MCD_RETRYS 5 #define MCD_RDRETRYS 8 +#define CLOSE_TRAY_SECS 8 +#define DISK_SENSE_SECS 3 +#define WAIT_FRAC 4 + /* several delays */ #define RDELAY_WAITSTAT 300 #define RDELAY_WAITMODE 300 #define RDELAY_WAITREAD 800 #define MIN_DELAY 15 -#define DELAY_GETREPLY 1300000 +#define DELAY_GETREPLY 1400000 static struct kern_devconf kdc_mcd[NMCD] = { { 0, 0, 0, /* filled in by dev_attach */ @@ -226,7 +232,6 @@ mcd_registerdev(struct isa_device *id) dev_attach(&kdc_mcd[id->id_unit]); } - int mcd_attach(struct isa_device *dev) { struct mcd_data *cd = mcd_data + dev->id_unit; @@ -249,7 +254,7 @@ int mcd_attach(struct isa_device *dev) int mcdopen(dev_t dev) { - int unit,part,phys; + int unit,part,phys,r,retry; struct mcd_data *cd; unit = mcd_unit(dev); @@ -268,8 +273,18 @@ int mcdopen(dev_t dev) if (!(cd->flags & MCDVALID) && cd->openflags) return ENXIO; - if (mcd_getstat(unit,1) == -1) /* detect disk change too */ - return ENXIO; + if (mcd_close_tray(unit) == EIO) /* detect disk change too */ + return EIO; + + if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN)) + || !(cd->status & MCDDSKIN)) + for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) { + (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsns", hz/WAIT_FRAC); + if ((r = mcd_getstat(unit,1)) == -1) + return EIO; + if (r != -2) + break; + } if (cd->status & MCDDOOROPEN) { printf("mcd%d: door is open\n"); @@ -279,6 +294,10 @@ int mcdopen(dev_t dev) printf("mcd%d: no CD inside\n"); return ENXIO; } + if (cd->status & MCDDSKCHNG) { + printf("mcd%d: CD not sensed\n"); + return ENXIO; + } if (mcdsize(dev) < 0) { printf("mcd%d: failed to get disk size\n",unit); @@ -300,6 +319,9 @@ MCD_TRACE("open: partition=%d, disksize = %d, blksize=%d\n", if (part == RAW_PART && phys != 0) cd->partflags[part] |= MCDREADRAW; kdc_mcd[unit].kdc_state = DC_BUSY; + (void) mcd_lock_door(unit, MCD_LK_LOCK); + if (!(cd->flags & MCDVALID)) + return ENXIO; return 0; } @@ -323,7 +345,9 @@ int mcdclose(dev_t dev) return ENXIO; kdc_mcd[unit].kdc_state = DC_IDLE; - if (mcd_getstat(unit,1) == -2) + (void) mcd_lock_door(unit, MCD_LK_UNLOCK); + + if (!(cd->flags & MCDVALID)) return 0; /* close channel */ @@ -463,19 +487,23 @@ int mcdioctl(dev_t dev, int cmd, caddr_t addr, int flags) part = mcd_part(dev); cd = mcd_data + unit; - if (mcd_getstat(unit, 1) < 0) /* detect disk change too */ - return EIO; - if (!(cd->flags & MCDVALID)) + if (mcd_getstat(unit, 1) == -1) /* detect disk change too */ return EIO; MCD_TRACE("ioctl called 0x%x\n",cmd,0,0,0); switch (cmd) { case DIOCSBAD: + if (!(cd->flags & MCDVALID)) + return ENXIO; return EINVAL; case DIOCGDINFO: + if (!(cd->flags & MCDVALID)) + return ENXIO; *(struct disklabel *) addr = cd->dlabel; return 0; case DIOCGPART: + if (!(cd->flags & MCDVALID)) + return ENXIO; ((struct partinfo *) addr)->disklab = &cd->dlabel; ((struct partinfo *) addr)->part = &cd->dlabel.d_partitions[mcd_part(dev)]; @@ -487,6 +515,8 @@ MCD_TRACE("ioctl called 0x%x\n",cmd,0,0,0); */ case DIOCWDINFO: case DIOCSDINFO: + if (!(cd->flags & MCDVALID)) + return ENXIO; if ((flags & FWRITE) == 0) return EBADF; else { @@ -495,18 +525,32 @@ MCD_TRACE("ioctl called 0x%x\n",cmd,0,0,0); 0); } case DIOCWLABEL: + if (!(cd->flags & MCDVALID)) + return ENXIO; return EBADF; case CDIOCPLAYTRACKS: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_playtracks(unit, (struct ioc_play_track *) addr); case CDIOCPLAYBLOCKS: + if (!(cd->flags & MCDVALID)) + return ENXIO; return EINVAL; case CDIOCPLAYMSF: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_playmsf(unit, (struct ioc_play_msf *) addr); case CDIOCREADSUBCHANNEL: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_subchan(unit, (struct ioc_read_subchannel *) addr); case CDIOREADTOCHEADER: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_toc_header(unit, (struct ioc_toc_header *) addr); case CDIOREADTOCENTRYS: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_toc_entrys(unit, (struct ioc_read_toc_entry *) addr); case CDIOCSETPATCH: case CDIOCGETVOL: @@ -518,12 +562,20 @@ MCD_TRACE("ioctl called 0x%x\n",cmd,0,0,0); case CDIOCSETRIGHT: return EINVAL; case CDIOCRESUME: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_resume(unit); case CDIOCPAUSE: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_pause(unit); case CDIOCSTART: + if (!(cd->flags & MCDVALID)) + return ENXIO; return EINVAL; case CDIOCSTOP: + if (!(cd->flags & MCDVALID)) + return ENXIO; return mcd_stop(unit); case CDIOCEJECT: return mcd_eject(unit); @@ -536,7 +588,7 @@ MCD_TRACE("ioctl called 0x%x\n",cmd,0,0,0); case CDIOCRESET: return mcd_hard_reset(unit); case CDIOCALLOW: - return 0; + return mcd_lock_door(unit, MCD_LK_UNLOCK); default: return ENOTTY; } @@ -755,7 +807,10 @@ mcd_getstat(int unit,int sflg) if (sflg) outb(port+mcd_command, MCD_CMDGETSTAT); i = mcd_getreply(unit,DELAY_GETREPLY); - if (i<0 || (i & MCD_ST_CMDCHECK)) return -1; + if (i<0 || (i & MCD_ST_CMDCHECK)) { + cd->curr_mode = MCD_MD_UNKNOWN; + return -1; + } cd->status = i; @@ -874,7 +929,9 @@ mcd_volinfo(int unit) return EIO; } - if (cd->volinfo.trk_low != 0 || cd->volinfo.trk_high != 0) { + if (cd->volinfo.trk_low > 0 && + cd->volinfo.trk_high >= cd->volinfo.trk_low + ) { cd->flags |= MCDVOLINFO; /* volinfo is OK */ return 0; } @@ -919,8 +976,8 @@ loop: mbx = mbxsave = mbxin; case MCD_S_BEGIN1: - /* get status */ retry_status: + /* get status */ outb(com_port, MCD_CMDGETSTAT); mbx->count = RDELAY_WAITSTAT; timeout((timeout_func_t)mcd_doread, @@ -946,6 +1003,7 @@ retry_status: printf("mcd%d: audio is active\n",unit); goto readerr; } + retry_mode: /* to check for raw/cooked mode */ if (cd->flags & MCDREADRAW) { @@ -986,7 +1044,7 @@ retry_mode: } cd->status = inb(port+mcd_status) & 0xFF; if (cd->status & MCD_ST_CMDCHECK) { - cd->curr_mode = MCD_MD_UNKNOWN; + cd->curr_mode = MCD_MD_UNKNOWN; goto retry_mode; } if (mcd_setflags(unit,cd) < 0) @@ -1120,13 +1178,58 @@ changed: } static int -mcd_eject(int unit) +mcd_lock_door(int unit, int lock) +{ + struct mcd_data *cd = mcd_data + unit; + int port = cd->iobase; + + outb(port+mcd_command, MCD_CMDLOCKDRV); + outb(port+mcd_command, lock); + if (mcd_getstat(unit,0) == -1) + return EIO; + return 0; +} + +static int +mcd_close_tray(int unit) { struct mcd_data *cd = mcd_data + unit; int port = cd->iobase; + int retry, r; + + if (mcd_getstat(unit,1) == -1) + return EIO; + if (cd->status & MCDDOOROPEN) { + outb(port+mcd_command, MCD_CMDCLOSETRAY); + for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) { + if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) + (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC); + else { + if ((r = mcd_getstat(unit,0)) == -1) + return EIO; + return 0; + } + } + return ENXIO; + } + return 0; +} +static int +mcd_eject(int unit) +{ + struct mcd_data *cd = mcd_data + unit; + int port = cd->iobase, r; + + if (mcd_getstat(unit,1) == -1) /* detect disk change too */ + return EIO; + if (cd->status & MCDDOOROPEN) + return mcd_close_tray(unit); + if ((r = mcd_stop(unit)) == EIO) + return r; outb(port+mcd_command, MCD_CMDEJECTDISK); - if (mcd_getstat(unit,0) == -1) return EIO; + if (mcd_getstat(unit,0) == -1) + return EIO; return 0; } @@ -1332,8 +1435,16 @@ mcd_stop(int unit) { struct mcd_data *cd = mcd_data + unit; - if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0) - return ENXIO; + /* Verify current status */ + if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS && + cd->audio_status != CD_AS_PLAY_PAUSED) { + if (cd->debug) + printf("mcd%d: stop attempted when not playing\n", unit); + return EINVAL; + } + if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS) + if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0) + return EIO; cd->audio_status = CD_AS_PLAY_COMPLETED; return 0; } |