summaryrefslogtreecommitdiff
path: root/sys/scsi/cd_scsi.c
blob: b148d4b15d89d0b75caf7e85530cf2f9a0fc7ca4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
/*	$OpenBSD: cd_scsi.c,v 1.6 2005/04/05 12:13:16 krw 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
 */

#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(struct cd_softc *,
	    struct scsi_cd_mode_data *, int, int, int);
int	cd_scsibus_set_mode(struct cd_softc *,
	    struct scsi_cd_mode_data *, int, int);

int	cd_scsibus_setchan(struct cd_softc *, int, int, int, int, int);
int	cd_scsibus_getvol(struct cd_softc *, struct ioc_vol *, int);
int	cd_scsibus_setvol(struct cd_softc *, const struct ioc_vol *,
	    int);
int	cd_scsibus_set_pa_immed(struct cd_softc *, int);
int	cd_scsibus_load_unload(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;
{
	return scsi_mode_sense(cd->sc_link, 0, page, (u_char *)data,
	    len, flags, 20000);
}

/*
 * 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;
{
	/* 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_mode_select(cd->sc_link, SMS_PF, (u_char *)data, len, flags,
	    20000); 
}

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);
}