![[bottom]](../icons/bottom.png){kind=icon}
![[previous]](../icons/n_left.png){kind=icon}
![[next]](../icons/n_right.png){kind=icon}
![[first]](../icons/n_first.png){kind=icon}
![[last]](../icons/n_last.png){kind=icon}
![[top]](../icons/n_top.png){kind=icon}
![[index]](../icons/index.png){kind=icon}
![[help]](../icons/help.png){kind=icon}
*/
1 /*
2 * sound/sb_mixer.h
3 *
4 * Definitions for the SB Pro and SB16 mixers
5 *
6 * Copyright by Hannu Savolainen 1993
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met: 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer. 2.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * Modified:
29 * Hunyue Yau Jan 6 1994
30 * Added defines for the Sound Galaxy NX Pro mixer.
31 *
32 */
33
34 #define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
35
36 /* Same as SB Pro, unless I find otherwise */
37 #define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
38
39 #define SBPRO_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
40 SOUND_MASK_CD | SOUND_MASK_VOLUME)
41
42 /* SG NX Pro has treble and bass settings on the mixer. The 'speaker'
43 * channel is the COVOX/DisneySoundSource emulation volume control
44 * on the mixer. It does NOT control speaker volume. Should have own
45 * mask eventually?
46 */
47 #define SGNXPRO_MIXER_DEVICES (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \
48 SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER )
49
50 #define SB16_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
51 SOUND_MASK_CD)
52
53 #define SB16_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
54 SOUND_MASK_CD | \
55 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
56 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE)
57
58 /*
59 * Mixer registers
60 *
61 * NOTE! RECORD_SRC == IN_FILTER
62 */
63
64 /*
65 * Mixer registers of SB Pro
66 */
67 #define VOC_VOL 0x04
68 #define MIC_VOL 0x0A
69 #define MIC_MIX 0x0A
70 #define RECORD_SRC 0x0C
71 #define IN_FILTER 0x0C
72 #define OUT_FILTER 0x0E
73 #define MASTER_VOL 0x22
74 #define FM_VOL 0x26
75 #define CD_VOL 0x28
76 #define LINE_VOL 0x2E
77 #define IRQ_NR 0x80
78 #define DMA_NR 0x81
79 #define IRQ_STAT 0x82
80 #define OPSW 0x3c
81
82 /*
83 * Additional registers on the SG NX Pro
84 */
85 #define COVOX_VOL 0x42
86 #define TREBLE_LVL 0x44
87 #define BASS_LVL 0x46
88
89 #define FREQ_HI (1 << 3)/* Use High-frequency ANFI filters */
90 #define FREQ_LOW 0 /* Use Low-frequency ANFI filters */
91 #define FILT_ON 0 /* Yes, 0 to turn it on, 1 for off */
92 #define FILT_OFF (1 << 5)
93
94 #define MONO_DAC 0x00
95 #define STEREO_DAC 0x02
96
97 /*
98 * Mixer registers of SB16
99 */
100 #define SB16_IMASK_L 0x3d
101 #define SB16_IMASK_R 0x3e
102
103 #define LEFT_CHN 0
104 #define RIGHT_CHN 1
105
106 struct mixer_def {
107 unsigned int regno: 8;
108 unsigned int bitoffs:4;
109 unsigned int nbits:4;
110 };
111
112
113 typedef struct mixer_def mixer_tab[32][2];
114 typedef struct mixer_def mixer_ent;
115
116 #define MIX_ENT(name, reg_l, bit_l, len_l, reg_r, bit_r, len_r) \
117 {{reg_l, bit_l, len_l}, {reg_r, bit_r, len_r}}
118
119 #ifdef __SB_MIXER_C__
120 mixer_tab sbpro_mix = {
121 MIX_ENT(SOUND_MIXER_VOLUME, 0x22, 7, 4, 0x22, 3, 4),
122 MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0),
123 MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0),
124 MIX_ENT(SOUND_MIXER_SYNTH, 0x26, 7, 4, 0x26, 3, 4),
125 MIX_ENT(SOUND_MIXER_PCM, 0x04, 7, 4, 0x04, 3, 4),
126 MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0),
127 MIX_ENT(SOUND_MIXER_LINE, 0x2e, 7, 4, 0x2e, 3, 4),
128 MIX_ENT(SOUND_MIXER_MIC, 0x0a, 2, 3, 0x00, 0, 0),
129 MIX_ENT(SOUND_MIXER_CD, 0x28, 7, 4, 0x28, 3, 4),
130 MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
131 MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
132 MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0)
133 };
134
135 #ifdef __SGNXPRO__
136 mixer_tab sgnxpro_mix = {
137 MIX_ENT(SOUND_MIXER_VOLUME, 0x22, 7, 4, 0x22, 3, 4),
138 MIX_ENT(SOUND_MIXER_BASS, 0x46, 2, 3, 0x00, 0, 0),
139 MIX_ENT(SOUND_MIXER_TREBLE, 0x44, 2, 3, 0x00, 0, 0),
140 MIX_ENT(SOUND_MIXER_SYNTH, 0x26, 7, 4, 0x26, 3, 4),
141 MIX_ENT(SOUND_MIXER_PCM, 0x04, 7, 4, 0x04, 3, 4),
142 MIX_ENT(SOUND_MIXER_SPEAKER, 0x42, 2, 3, 0x00, 0, 0),
143 MIX_ENT(SOUND_MIXER_LINE, 0x2e, 7, 4, 0x2e, 3, 4),
144 MIX_ENT(SOUND_MIXER_MIC, 0x0a, 2, 3, 0x00, 0, 0),
145 MIX_ENT(SOUND_MIXER_CD, 0x28, 7, 4, 0x28, 3, 4),
146 MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
147 MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
148 MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0),
149 MIX_ENT(SOUND_MIXER_IGAIN, 0x00, 0, 0, 0x00, 0, 0),
150 MIX_ENT(SOUND_MIXER_OGAIN, 0x00, 0, 0, 0x00, 0, 0)
151 };
152 #endif
153
154 mixer_tab sb16_mix = {
155 MIX_ENT(SOUND_MIXER_VOLUME, 0x30, 7, 5, 0x31, 7, 5),
156 MIX_ENT(SOUND_MIXER_BASS, 0x46, 7, 4, 0x47, 7, 4),
157 MIX_ENT(SOUND_MIXER_TREBLE, 0x44, 7, 4, 0x45, 7, 4),
158 MIX_ENT(SOUND_MIXER_SYNTH, 0x34, 7, 5, 0x35, 7, 5),
159 MIX_ENT(SOUND_MIXER_PCM, 0x32, 7, 5, 0x33, 7, 5),
160 MIX_ENT(SOUND_MIXER_SPEAKER, 0x3b, 7, 2, 0x00, 0, 0),
161 MIX_ENT(SOUND_MIXER_LINE, 0x38, 7, 5, 0x39, 7, 5),
162 MIX_ENT(SOUND_MIXER_MIC, 0x3a, 7, 5, 0x00, 0, 0),
163 MIX_ENT(SOUND_MIXER_CD, 0x36, 7, 5, 0x37, 7, 5),
164 MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
165 MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
166 MIX_ENT(SOUND_MIXER_RECLEV, 0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
167 MIX_ENT(SOUND_MIXER_IGAIN, 0x3f, 7, 2, 0x40, 7, 2),
168 MIX_ENT(SOUND_MIXER_OGAIN, 0x41, 7, 2, 0x42, 7, 2)
169 };
170
171 #ifdef SM_GAMES /* Master volume is lower and PCM & FM volumes
172 higher than with SB Pro. This improves the
173 sound quality */
174
175 static unsigned short levels[SOUND_MIXER_NRDEVICES] =
176 {
177 0x2020, /* Master Volume */
178 0x4b4b, /* Bass */
179 0x4b4b, /* Treble */
180 0x6464, /* FM */
181 0x6464, /* PCM */
182 0x4b4b, /* PC Speaker */
183 0x4b4b, /* Ext Line */
184 0x0000, /* Mic */
185 0x4b4b, /* CD */
186 0x4b4b, /* Recording monitor */
187 0x4b4b, /* SB PCM */
188 0x4b4b, /* Recording level */
189 0x4b4b, /* Input gain */
190 0x4b4b}; /* Output gain */
191
192 #else /* If the user selected just plain SB Pro */
193
194 static unsigned short levels[SOUND_MIXER_NRDEVICES] =
195 {
196 0x5a5a, /* Master Volume */
197 0x4b4b, /* Bass */
198 0x4b4b, /* Treble */
199 0x4b4b, /* FM */
200 0x4b4b, /* PCM */
201 0x4b4b, /* PC Speaker */
202 0x4b4b, /* Ext Line */
203 0x1010, /* Mic */
204 0x4b4b, /* CD */
205 0x4b4b, /* Recording monitor */
206 0x4b4b, /* SB PCM */
207 0x4b4b, /* Recording level */
208 0x4b4b, /* Input gain */
209 0x4b4b}; /* Output gain */
210 #endif /* SM_GAMES */
211
212 static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
213 {
214 0x00, /* SOUND_MIXER_VOLUME */
215 0x00, /* SOUND_MIXER_BASS */
216 0x00, /* SOUND_MIXER_TREBLE */
217 0x40, /* SOUND_MIXER_SYNTH */
218 0x00, /* SOUND_MIXER_PCM */
219 0x00, /* SOUND_MIXER_SPEAKER */
220 0x10, /* SOUND_MIXER_LINE */
221 0x01, /* SOUND_MIXER_MIC */
222 0x04, /* SOUND_MIXER_CD */
223 0x00, /* SOUND_MIXER_IMIX */
224 0x00, /* SOUND_MIXER_ALTPCM */
225 0x00, /* SOUND_MIXER_RECLEV */
226 0x00, /* SOUND_MIXER_IGAIN */
227 0x00 /* SOUND_MIXER_OGAIN */
228 };
229
230 static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
231 {
232 0x00, /* SOUND_MIXER_VOLUME */
233 0x00, /* SOUND_MIXER_BASS */
234 0x00, /* SOUND_MIXER_TREBLE */
235 0x20, /* SOUND_MIXER_SYNTH */
236 0x00, /* SOUND_MIXER_PCM */
237 0x00, /* SOUND_MIXER_SPEAKER */
238 0x08, /* SOUND_MIXER_LINE */
239 0x01, /* SOUND_MIXER_MIC */
240 0x02, /* SOUND_MIXER_CD */
241 0x00, /* SOUND_MIXER_IMIX */
242 0x00, /* SOUND_MIXER_ALTPCM */
243 0x00, /* SOUND_MIXER_RECLEV */
244 0x00, /* SOUND_MIXER_IGAIN */
245 0x00 /* SOUND_MIXER_OGAIN */
246 };
247
248 /*
249 * Recording sources (SB Pro)
250 */
251
252 #define SRC_MIC 1 /* Select Microphone recording source */
253 #define SRC_CD 3 /* Select CD recording source */
254 #define SRC_LINE 7 /* Use Line-in for recording source */
255
256 #endif
![[top]](../icons/top.png){kind=icon}
![[bottom]](../icons/n_bottom.png){kind=icon}
*/