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mcd.c (1239) mcd.c (1241)
1/*
2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 *
6 * Rewrote probe routine to work on newer Mitsumi drives.
7 * Additional changes (C) 1994 by Jordan K. Hubbard
8 *

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34 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
35 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
36 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
37 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
38 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
39 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 *
1/*
2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 *
6 * Rewrote probe routine to work on newer Mitsumi drives.
7 * Additional changes (C) 1994 by Jordan K. Hubbard
8 *

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34 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
35 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
36 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
37 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
38 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
39 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 *
42 * $Id: mcd.c,v 1.11 1994/03/05 03:54:19 jkh Exp $
42 * $Id: mcd.c,v 1.12 1994/03/05 21:41:51 ats Exp $
43 */
44static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
45
46#include "mcd.h"
47#if NMCD > 0
48#include "types.h"
49#include "param.h"
50#include "systm.h"

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94#define MCDMBXBSY 0x0200 /* local mbx is busy */
95
96/* status */
97#define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
98#define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
99#define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
100#define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
101
43 */
44static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
45
46#include "mcd.h"
47#if NMCD > 0
48#include "types.h"
49#include "param.h"
50#include "systm.h"

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94#define MCDMBXBSY 0x0200 /* local mbx is busy */
95
96/* status */
97#define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
98#define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
99#define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
100#define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
101
102#define MCDEXISTS 0x0030 /* A real Mitsumi drive */
102/* These are apparently the different states a mitsumi can get up to */
103#define MCDCDABSENT 0x0030
104#define MCDCDPRESENT 0x0020
105#define MCDSCLOSED 0x0080
106#define MCDSOPEN 0x00a0
103
104/* toc */
105#define MCD_MAXTOCS 104 /* from the Linux driver */
106#define MCD_LASTPLUS1 170 /* special toc entry */
107
108struct mcd_mbx {
109 short unit;
110 short port;

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599 }
600
601 /* Get status */
602 outb(port+MCD_DATA, MCD_CMDGETSTAT);
603 if (!twiddle_thumbs(port, unit, 1000000, "getting status")) {
604 return 0; /* Timeout */
605 }
606 status = inb(port+MCD_DATA);
107
108/* toc */
109#define MCD_MAXTOCS 104 /* from the Linux driver */
110#define MCD_LASTPLUS1 170 /* special toc entry */
111
112struct mcd_mbx {
113 short unit;
114 short port;

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603 }
604
605 /* Get status */
606 outb(port+MCD_DATA, MCD_CMDGETSTAT);
607 if (!twiddle_thumbs(port, unit, 1000000, "getting status")) {
608 return 0; /* Timeout */
609 }
610 status = inb(port+MCD_DATA);
607/* 0x20 == empty drive */
608/* 0x30 == MCDEXISTS == drive closed with CDROM inserted */
609/* 0x80 == drive pulled out but door closed */
610/* 0xa0 == drive pulled out and door open */
611 if (status != 0x20 && status != MCDEXISTS && status != 0x80 &&
612 status != 0xa0)
611 if (status != MCDCDABSENT && status != MCDCDPRESENT &&
612 status != MCDSOPEN && status != MCDSCLOSED)
613 return 0; /* Not actually a Mitsumi drive here */
614 /* Get version information */
615 outb(port+MCD_DATA, MCD_CMDCONTINFO);
616 for (j = 0; j < 3; j++) {
617 if (!twiddle_thumbs(port, unit, 3000, "getting version info")) {
618 return 0;
619 }
620 stbytes[j] = (inb(port+MCD_DATA) & 0xFF);

--- 712 unchanged lines hidden --- 		613 return 0; /* Not actually a Mitsumi drive here */
614 /* Get version information */
615 outb(port+MCD_DATA, MCD_CMDCONTINFO);
616 for (j = 0; j < 3; j++) {
617 if (!twiddle_thumbs(port, unit, 3000, "getting version info")) {
618 return 0;
619 }
620 stbytes[j] = (inb(port+MCD_DATA) & 0xFF);

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