NetBSD/sys/dev/scsipi/cd_scsi.c

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/* $NetBSD: cd_scsi.c,v 1.12 1998/08/05 16:29:05 drochner Exp $ */
/*
* Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles M. Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Originally written by Julian Elischer (julian@tfs.com)
* for TRW Financial Systems for use under the MACH(2.5) operating system.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*/
#include "rnd.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/device.h>
#include <sys/disk.h>
#include <sys/buf.h>
#include <sys/conf.h>
#if NRND > 0
#include <sys/rnd.h>
#endif
#include <sys/cdio.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsipi_cd.h>
#include <dev/scsipi/scsi_cd.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/scsipi/cdvar.h>
#ifdef __BROKEN_INDIRECT_CONFIG
int cd_scsibus_match __P((struct device *, void *, void *));
#else
int cd_scsibus_match __P((struct device *, struct cfdata *, void *));
#endif
void cd_scsibus_attach __P((struct device *, struct device *, void *));
int cd_scsibus_get_mode __P((struct cd_softc *,
struct scsi_cd_mode_data *, int, int, int));
int cd_scsibus_set_mode __P((struct cd_softc *,
struct scsi_cd_mode_data *, int, int));
struct cfattach cd_scsibus_ca = {
sizeof(struct cd_softc), cd_scsibus_match, cd_scsibus_attach
};
struct scsipi_inquiry_pattern cd_scsibus_patterns[] = {
{T_CDROM, T_REMOV,
"", "", ""},
{T_WORM, T_REMOV,
"", "", ""},
#if 0
{T_CDROM, T_REMOV, /* more luns */
"PIONEER ", "CD-ROM DRM-600 ", ""},
#endif
};
int cd_scsibus_setchan __P((struct cd_softc *, int, int, int, int, int));
int cd_scsibus_getvol __P((struct cd_softc *, struct ioc_vol *, int));
int cd_scsibus_setvol __P((struct cd_softc *, const struct ioc_vol *,
int));
int cd_scsibus_set_pa_immed __P((struct cd_softc *, int));
int cd_scsibus_load_unload __P((struct cd_softc *, int, int));
const struct cd_ops cd_scsibus_ops = {
cd_scsibus_setchan,
cd_scsibus_getvol,
cd_scsibus_setvol,
cd_scsibus_set_pa_immed,
cd_scsibus_load_unload,
};
int
cd_scsibus_match(parent, match, aux)
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *match;
#endif
void *aux;
{
struct scsipibus_attach_args *sa = aux;
int priority;
if (sa->sa_sc_link->type != BUS_SCSI)
return (0);
(void)scsipi_inqmatch(&sa->sa_inqbuf,
(caddr_t)cd_scsibus_patterns,
sizeof(cd_scsibus_patterns) / sizeof(cd_scsibus_patterns[0]),
sizeof(cd_scsibus_patterns[0]), &priority);
return (priority);
}
/*
* The routine called by the low level scsi routine when it discovers
* A device suitable for this driver
*/
void
cd_scsibus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct cd_softc *cd = (void *)self;
struct scsipibus_attach_args *sa = aux;
struct scsipi_link *sc_link = sa->sa_sc_link;
SC_DEBUG(sc_link, SDEV_DB2, ("cd_scsibus_attach: "));
scsipi_strvis(cd->name, 16, sa->sa_inqbuf.product, 16);
cdattach(parent, cd, sc_link, &cd_scsibus_ops);
/*
* Note if this device is ancient. This is used in cdminphys().
* XXX should be in scsipi_link.
*/
if ((sa->scsipi_info.scsi_version & SID_ANSII) == 0)
cd->flags |= CDF_ANCIENT;
/* should I get the SCSI_CAP_PAGE here ? */
}
/*
* Get the requested page into the buffer given
*/
int
cd_scsibus_get_mode(cd, data, page, len, flags)
struct cd_softc *cd;
struct scsi_cd_mode_data *data;
int page, len, flags;
{
struct scsi_mode_sense scsipi_cmd;
bzero(&scsipi_cmd, sizeof(scsipi_cmd));
bzero(data, sizeof(*data));
scsipi_cmd.opcode = SCSI_MODE_SENSE;
scsipi_cmd.page = page;
scsipi_cmd.length = len & 0xff;
return (scsipi_command(cd->sc_link,
(struct scsipi_generic *)&scsipi_cmd, sizeof(scsipi_cmd),
(u_char *)data, sizeof(*data), CDRETRIES, 20000, NULL,
SCSI_DATA_IN));
}
/*
* Get the requested page into the buffer given
*/
int
cd_scsibus_set_mode(cd, data, len, flags)
struct cd_softc *cd;
struct scsi_cd_mode_data *data;
int len, flags;
{
struct scsi_mode_select scsipi_cmd;
bzero(&scsipi_cmd, sizeof(scsipi_cmd));
scsipi_cmd.opcode = SCSI_MODE_SELECT;
scsipi_cmd.byte2 |= SMS_PF;
scsipi_cmd.length = len & 0xff;
data->header.data_length = 0;
return (scsipi_command(cd->sc_link,
(struct scsipi_generic *)&scsipi_cmd, sizeof(scsipi_cmd),
(u_char *)data, sizeof(*data), CDRETRIES, 20000, NULL,
SCSI_DATA_OUT));
}
int
cd_scsibus_set_pa_immed(cd, flags)
struct cd_softc *cd;
int flags;
{
struct scsi_cd_mode_data data;
int error;
if ((error = cd_scsibus_get_mode(cd, &data, SCSI_AUDIO_PAGE,
AUDIOPAGESIZE, flags)) != 0)
return (error);
data.page.audio.flags &= ~CD_PA_SOTC;
data.page.audio.flags |= CD_PA_IMMED;
return (cd_scsibus_set_mode(cd, &data, AUDIOPAGESIZE, flags));
}
int
cd_scsibus_setchan(cd, p0, p1, p2, p3, flags)
struct cd_softc *cd;
int p0, p1, p2, p3;
int flags;
{
struct scsi_cd_mode_data data;
int error;
if ((error = cd_scsibus_get_mode(cd, &data, SCSI_AUDIO_PAGE,
AUDIOPAGESIZE, flags)) != 0)
return (error);
data.page.audio.port[LEFT_PORT].channels = p0;
data.page.audio.port[RIGHT_PORT].channels = p1;
data.page.audio.port[2].channels = p2;
data.page.audio.port[3].channels = p3;
return (cd_scsibus_set_mode(cd, &data, AUDIOPAGESIZE, flags));
}
int
cd_scsibus_getvol(cd, arg, flags)
struct cd_softc *cd;
struct ioc_vol *arg;
int flags;
{
struct scsi_cd_mode_data data;
int error;
if ((error = cd_scsibus_get_mode(cd, &data, SCSI_AUDIO_PAGE,
AUDIOPAGESIZE, flags)) != 0)
return (error);
arg->vol[LEFT_PORT] = data.page.audio.port[LEFT_PORT].volume;
arg->vol[RIGHT_PORT] = data.page.audio.port[RIGHT_PORT].volume;
arg->vol[2] = data.page.audio.port[2].volume;
arg->vol[3] = data.page.audio.port[3].volume;
return (0);
}
int
cd_scsibus_setvol(cd, arg, flags)
struct cd_softc *cd;
const struct ioc_vol *arg;
int flags;
{
struct scsi_cd_mode_data data;
int error;
if ((error = cd_scsibus_get_mode(cd, &data, SCSI_AUDIO_PAGE,
AUDIOPAGESIZE, flags)) != 0)
return (error);
data.page.audio.port[LEFT_PORT].channels = CHANNEL_0;
data.page.audio.port[LEFT_PORT].volume = arg->vol[LEFT_PORT];
data.page.audio.port[RIGHT_PORT].channels = CHANNEL_1;
data.page.audio.port[RIGHT_PORT].volume = arg->vol[RIGHT_PORT];
data.page.audio.port[2].volume = arg->vol[2];
data.page.audio.port[3].volume = arg->vol[3];
return (cd_scsibus_set_mode(cd, &data, AUDIOPAGESIZE, flags));
}
int
cd_scsibus_load_unload(cd, options, slot)
struct cd_softc *cd;
int options, slot;
{
/*
* Not supported on SCSI CDs that we know of (but we'll leave
* the hook here Just In Case).
*/
return (ENODEV);
}