diff options
author | Andrey A. Chernov <ache@FreeBSD.org> | 1995-01-30 06:44:40 +0000 |
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committer | Andrey A. Chernov <ache@FreeBSD.org> | 1995-01-30 06:44:40 +0000 |
commit | 85cd355ef167e008b02db60f62fa013e885f03cb (patch) | |
tree | eb1e64242206d8f097734c1e45809eb3d907dc5a /sys/dev/mcd | |
parent | c9c9e30a03e63374b5686be1759dbcc7e6ae19e0 (diff) | |
download | src-85cd355ef167e008b02db60f62fa013e885f03cb.tar.gz src-85cd355ef167e008b02db60f62fa013e885f03cb.zip |
Use double speed read for FX001D, now this drive
becomes two times faster than in old variant.
Get rid of false "media changed" errors during large disk transfers
Notes
Notes:
svn path=/head/; revision=6028
Diffstat (limited to 'sys/dev/mcd')
-rw-r--r-- | sys/dev/mcd/mcd.c | 24 | ||||
-rw-r--r-- | sys/dev/mcd/mcdreg.h | 6 |
2 files changed, 21 insertions, 9 deletions
diff --git a/sys/dev/mcd/mcd.c b/sys/dev/mcd/mcd.c index de5b9c623438..e5423b23f03b 100644 --- a/sys/dev/mcd/mcd.c +++ b/sys/dev/mcd/mcd.c @@ -40,7 +40,7 @@ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: mcd.c,v 1.34 1994/12/21 15:17:59 ache Exp $ + * $Id: mcd.c,v 1.35 1994/12/24 13:24:00 ache Exp $ */ static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore"; @@ -126,6 +126,7 @@ struct mcd_data { char *name; short config; short flags; + u_char read_command; short status; int blksize; u_long disksize; @@ -680,6 +681,7 @@ mcd_probe(struct isa_device *dev) outb(port+MCD_CTRL, M_PICKLE); mcd_data[unit].flags |= MCDNEWMODEL; } + mcd_data[unit].read_command = MCD_CMDSINGLESPEEDREAD; switch (stbytes[1]) { case 'M': if (mcd_data[unit].flags & MCDNEWMODEL) { @@ -697,6 +699,7 @@ mcd_probe(struct isa_device *dev) case 'D': mcd_data[unit].type = MCD_TYPE_FX001D; mcd_data[unit].name = "Mitsumi FX001D"; + mcd_data[unit].read_command = MCD_CMDDOUBLESPEEDREAD; break; default: mcd_data[unit].type = MCD_TYPE_UNKNOWN; @@ -752,7 +755,7 @@ mcd_getstat(int unit,int sflg) if (sflg) outb(port+mcd_command, MCD_CMDGETSTAT); i = mcd_getreply(unit,DELAY_GETREPLY); - if (i<0) return -1; + if (i<0 || (i & MCD_ST_CMDCHECK)) return -1; cd->status = i; @@ -917,6 +920,7 @@ loop: case MCD_S_BEGIN1: /* get status */ +retry_status: outb(com_port, MCD_CMDGETSTAT); mbx->count = RDELAY_WAITSTAT; timeout((timeout_func_t)mcd_doread, @@ -931,6 +935,8 @@ loop: return; } cd->status = inb(port+mcd_status) & 0xFF; + if (cd->status & MCD_ST_CMDCHECK) + goto retry_status; if (mcd_setflags(unit,cd) < 0) goto changed; MCD_TRACE("got WAITSTAT delay=%d\n", @@ -940,7 +946,7 @@ loop: printf("mcd%d: audio is active\n",unit); goto readerr; } - +retry_mode: /* to check for raw/cooked mode */ if (cd->flags & MCDREADRAW) { rm = MCD_MD_RAW; @@ -979,6 +985,10 @@ loop: return; } cd->status = inb(port+mcd_status) & 0xFF; + if (cd->status & MCD_ST_CMDCHECK) { + cd->curr_mode = MCD_MD_UNKNOWN; + goto retry_mode; + } if (mcd_setflags(unit,cd) < 0) goto changed; cd->curr_mode = mbx->mode; @@ -998,10 +1008,10 @@ nextblock: /* build parameter block */ hsg2msf(blknum,rbuf.start_msf); - +retry_read: /* send the read command */ disable_intr(); - mcd_put(com_port,MCD_CMDREAD2); + mcd_put(com_port,cd->read_command); mcd_put(com_port,rbuf.start_msf[0]); mcd_put(com_port,rbuf.start_msf[1]); mcd_put(com_port,rbuf.start_msf[2]); @@ -1062,6 +1072,8 @@ nextblock: } if (!(k & MFL_STATUS_NOT_AVAIL)) { cd->status = inb(port+mcd_status) & 0xFF; + if (cd->status & MCD_ST_CMDCHECK) + goto retry_read; if (mcd_setflags(unit,cd) < 0) goto changed; } @@ -1448,7 +1460,7 @@ mcd_play(int unit, struct mcd_read2 *pb) for(retry=0; retry<MCD_RETRYS; retry++) { disable_intr(); - outb(com_port, MCD_CMDREAD2); + outb(com_port, MCD_CMDSINGLESPEEDREAD); outb(com_port, pb->start_msf[0]); outb(com_port, pb->start_msf[1]); outb(com_port, pb->start_msf[2]); diff --git a/sys/dev/mcd/mcdreg.h b/sys/dev/mcd/mcdreg.h index 88ae7e321504..f8d8598f2bab 100644 --- a/sys/dev/mcd/mcdreg.h +++ b/sys/dev/mcd/mcdreg.h @@ -41,7 +41,7 @@ * the manufacturer or anyone else might provide better documentation, * so this file (and the driver) will then have a better quality. * - * $Id: mcdreg.h,v 1.5 1994/11/12 13:26:13 ache Exp $ + * $Id: mcdreg.h,v 1.6 1994/12/24 13:24:02 ache Exp $ */ #ifndef MCD_H @@ -135,9 +135,9 @@ typedef unsigned char bcd_t; #define MCD_READUPC 0xA2 /* Get UPC info */ #define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */ #define MCD_CMDREAD1 0xB0 /* read n sectors */ -#define MCD_CMDREAD2 0xC0 /* read from-to */ +#define MCD_CMDSINGLESPEEDREAD 0xC0 /* read from-to */ #define MCD_CMDSTARTAUDIOMSF 0xC1 /* read audio data */ -#define MCD_CMDREADFAST 0xC1 /* Read lots of data from the drive */ +#define MCD_CMDDOUBLESPEEDREAD 0xC1 /* Read lots of data from the drive */ #define MCD_CMDGETDRIVEMODE 0xC2 /* Get the drive mode */ #define MCD_CMDREAD 0xC3 /* Read data from the drive */ #define MCD_CMDSETINTERLEAVE 0xC8 /* Adjust the interleave */ |