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/* $OpenBSD: cd_scsi.c,v 1.3 2001/06/22 14:35:42 deraadt Exp $ */
/* $NetBSD: cd_scsi.c,v 1.14 1998/08/31 22:28:06 cgd Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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
*/
#ifndef __OpenBSD__
#include "rnd.h"
#endif
#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 <scsi/scsi_all.h>
#include <scsi/cd.h>
#include <scsi/scsi_cd.h>
#include <scsi/scsiconf.h>
#include <scsi/cdvar.h>
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));
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,
};
/*
* 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 scsi_cmd;
#ifdef DIAGNOSTIC
if (len == 0 || len > 256) {
printf ("cd_scsibus_get_mode: Mode page %02x request "
"bad size: %d bytes\n", page, len);
return (EINVAL);
}
#endif
bzero(&scsi_cmd, sizeof(scsi_cmd));
bzero(data, sizeof(*data));
scsi_cmd.opcode = MODE_SENSE;
scsi_cmd.page = page;
scsi_cmd.length = len & 0xff;
return (scsi_scsi_cmd(cd->sc_link,
(struct scsi_generic *)&scsi_cmd, sizeof(scsi_cmd),
(u_char *)data, len, 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 scsi_cmd;
#ifdef DIAGNOSTIC
if (len == 0 || len > 256) {
printf ("cd_scsibus_set_mode: Set mode request "
"bad size: %d bytes\n", len);
return (EINVAL);
}
#endif
bzero(&scsi_cmd, sizeof(scsi_cmd));
scsi_cmd.opcode = MODE_SELECT;
scsi_cmd.byte2 |= SMS_PF;
scsi_cmd.length = len & 0xff;
/* SPC-2 revision 16, section 8.3: Mode parameters
When used with the [MODE SELECT command], the data
length field is reserved. */
data->header.data_length = 0;
return (scsi_scsi_cmd(cd->sc_link,
(struct scsi_generic *)&scsi_cmd, sizeof(scsi_cmd),
(u_char *)data, len, 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, 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, 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, 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, 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);
}
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