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  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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sound/oss/sb_mixer.c
 
1
/*
 
2
 * sound/oss/sb_mixer.c
 
3
 *
 
4
 * The low level mixer driver for the Sound Blaster compatible cards.
 
5
 */
 
6
/*
 
7
 * Copyright (C) by Hannu Savolainen 1993-1997
 
8
 *
 
9
 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 
10
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 
11
 * for more info.
 
12
 *
 
13
 *
 
14
 * Thomas Sailer                                : ioctl code reworked (vmalloc/vfree removed)
 
15
 * Rolf Fokkens (Dec 20 1998)   : Moved ESS stuff into sb_ess.[ch]
 
16
 * Stanislav Voronyi <stas@esc.kharkov.com>     : Support for AWE 3DSE device (Jun 7 1999)
 
17
 */
 
18
 
 
19
#include <linux/slab.h>
 
20
 
 
21
#include "sound_config.h"
 
22
 
 
23
#define __SB_MIXER_C__
 
24
 
 
25
#include "sb.h"
 
26
#include "sb_mixer.h"
 
27
 
 
28
#include "sb_ess.h"
 
29
 
 
30
#define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
 
31
 
 
32
/* Same as SB Pro, unless I find otherwise */
 
33
#define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
 
34
 
 
35
#define SBPRO_MIXER_DEVICES             (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
 
36
                                         SOUND_MASK_CD | SOUND_MASK_VOLUME)
 
37
 
 
38
/* SG NX Pro has treble and bass settings on the mixer. The 'speaker'
 
39
 * channel is the COVOX/DisneySoundSource emulation volume control
 
40
 * on the mixer. It does NOT control speaker volume. Should have own
 
41
 * mask eventually?
 
42
 */
 
43
#define SGNXPRO_MIXER_DEVICES   (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \
 
44
                                 SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER )
 
45
 
 
46
#define SB16_RECORDING_DEVICES          (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
 
47
                                         SOUND_MASK_CD)
 
48
 
 
49
#define SB16_OUTFILTER_DEVICES          (SOUND_MASK_LINE | SOUND_MASK_MIC | \
 
50
                                         SOUND_MASK_CD)
 
51
 
 
52
#define SB16_MIXER_DEVICES              (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
 
53
                                         SOUND_MASK_CD | \
 
54
                                         SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
 
55
                                         SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | \
 
56
                                        SOUND_MASK_IMIX)
 
57
 
 
58
/* These are the only devices that are working at the moment.  Others could
 
59
 * be added once they are identified and a method is found to control them.
 
60
 */
 
61
#define ALS007_MIXER_DEVICES    (SOUND_MASK_SYNTH | SOUND_MASK_LINE | \
 
62
                                 SOUND_MASK_PCM | SOUND_MASK_MIC | \
 
63
                                 SOUND_MASK_CD | \
 
64
                                 SOUND_MASK_VOLUME)
 
65
 
 
66
static mixer_tab sbpro_mix = {
 
67
MIX_ENT(SOUND_MIXER_VOLUME,     0x22, 7, 4, 0x22, 3, 4),
 
68
MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
 
69
MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
 
70
MIX_ENT(SOUND_MIXER_SYNTH,      0x26, 7, 4, 0x26, 3, 4),
 
71
MIX_ENT(SOUND_MIXER_PCM,        0x04, 7, 4, 0x04, 3, 4),
 
72
MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
 
73
MIX_ENT(SOUND_MIXER_LINE,       0x2e, 7, 4, 0x2e, 3, 4),
 
74
MIX_ENT(SOUND_MIXER_MIC,        0x0a, 2, 3, 0x00, 0, 0),
 
75
MIX_ENT(SOUND_MIXER_CD,         0x28, 7, 4, 0x28, 3, 4),
 
76
MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 
77
MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 
78
MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0)
 
79
};
 
80
 
 
81
static mixer_tab sb16_mix = {
 
82
MIX_ENT(SOUND_MIXER_VOLUME,     0x30, 7, 5, 0x31, 7, 5),
 
83
MIX_ENT(SOUND_MIXER_BASS,       0x46, 7, 4, 0x47, 7, 4),
 
84
MIX_ENT(SOUND_MIXER_TREBLE,     0x44, 7, 4, 0x45, 7, 4),
 
85
MIX_ENT(SOUND_MIXER_SYNTH,      0x34, 7, 5, 0x35, 7, 5),
 
86
MIX_ENT(SOUND_MIXER_PCM,        0x32, 7, 5, 0x33, 7, 5),
 
87
MIX_ENT(SOUND_MIXER_SPEAKER,    0x3b, 7, 2, 0x00, 0, 0),
 
88
MIX_ENT(SOUND_MIXER_LINE,       0x38, 7, 5, 0x39, 7, 5),
 
89
MIX_ENT(SOUND_MIXER_MIC,        0x3a, 7, 5, 0x00, 0, 0),
 
90
MIX_ENT(SOUND_MIXER_CD,         0x36, 7, 5, 0x37, 7, 5),
 
91
MIX_ENT(SOUND_MIXER_IMIX,       0x3c, 0, 1, 0x00, 0, 0),
 
92
MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 
93
MIX_ENT(SOUND_MIXER_RECLEV,     0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
 
94
MIX_ENT(SOUND_MIXER_IGAIN,      0x3f, 7, 2, 0x40, 7, 2),
 
95
MIX_ENT(SOUND_MIXER_OGAIN,      0x41, 7, 2, 0x42, 7, 2)
 
96
};
 
97
 
 
98
static mixer_tab als007_mix = 
 
99
{
 
100
MIX_ENT(SOUND_MIXER_VOLUME,     0x62, 7, 4, 0x62, 3, 4),
 
101
MIX_ENT(SOUND_MIXER_BASS,       0x00, 0, 0, 0x00, 0, 0),
 
102
MIX_ENT(SOUND_MIXER_TREBLE,     0x00, 0, 0, 0x00, 0, 0),
 
103
MIX_ENT(SOUND_MIXER_SYNTH,      0x66, 7, 4, 0x66, 3, 4),
 
104
MIX_ENT(SOUND_MIXER_PCM,        0x64, 7, 4, 0x64, 3, 4),
 
105
MIX_ENT(SOUND_MIXER_SPEAKER,    0x00, 0, 0, 0x00, 0, 0),
 
106
MIX_ENT(SOUND_MIXER_LINE,       0x6e, 7, 4, 0x6e, 3, 4),
 
107
MIX_ENT(SOUND_MIXER_MIC,        0x6a, 2, 3, 0x00, 0, 0),
 
108
MIX_ENT(SOUND_MIXER_CD,         0x68, 7, 4, 0x68, 3, 4),
 
109
MIX_ENT(SOUND_MIXER_IMIX,       0x00, 0, 0, 0x00, 0, 0),
 
110
MIX_ENT(SOUND_MIXER_ALTPCM,     0x00, 0, 0, 0x00, 0, 0),
 
111
MIX_ENT(SOUND_MIXER_RECLEV,     0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */
 
112
MIX_ENT(SOUND_MIXER_IGAIN,      0x00, 0, 0, 0x00, 0, 0),
 
113
MIX_ENT(SOUND_MIXER_OGAIN,      0x00, 0, 0, 0x00, 0, 0)
 
114
};
 
115
 
 
116
 
 
117
/* SM_GAMES          Master volume is lower and PCM & FM volumes
 
118
                             higher than with SB Pro. This improves the
 
119
                             sound quality */
 
120
 
 
121
static int smg_default_levels[32] =
 
122
{
 
123
  0x2020,                       /* Master Volume */
 
124
  0x4b4b,                       /* Bass */
 
125
  0x4b4b,                       /* Treble */
 
126
  0x6464,                       /* FM */
 
127
  0x6464,                       /* PCM */
 
128
  0x4b4b,                       /* PC Speaker */
 
129
  0x4b4b,                       /* Ext Line */
 
130
  0x0000,                       /* Mic */
 
131
  0x4b4b,                       /* CD */
 
132
  0x4b4b,                       /* Recording monitor */
 
133
  0x4b4b,                       /* SB PCM */
 
134
  0x4b4b,                       /* Recording level */
 
135
  0x4b4b,                       /* Input gain */
 
136
  0x4b4b,                       /* Output gain */
 
137
  0x4040,                       /* Line1 */
 
138
  0x4040,                       /* Line2 */
 
139
  0x1515                        /* Line3 */
 
140
};
 
141
 
 
142
static int sb_default_levels[32] =
 
143
{
 
144
  0x5a5a,                       /* Master Volume */
 
145
  0x4b4b,                       /* Bass */
 
146
  0x4b4b,                       /* Treble */
 
147
  0x4b4b,                       /* FM */
 
148
  0x4b4b,                       /* PCM */
 
149
  0x4b4b,                       /* PC Speaker */
 
150
  0x4b4b,                       /* Ext Line */
 
151
  0x1010,                       /* Mic */
 
152
  0x4b4b,                       /* CD */
 
153
  0x0000,                       /* Recording monitor */
 
154
  0x4b4b,                       /* SB PCM */
 
155
  0x4b4b,                       /* Recording level */
 
156
  0x4b4b,                       /* Input gain */
 
157
  0x4b4b,                       /* Output gain */
 
158
  0x4040,                       /* Line1 */
 
159
  0x4040,                       /* Line2 */
 
160
  0x1515                        /* Line3 */
 
161
};
 
162
 
 
163
static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
 
164
{
 
165
        0x00,   /* SOUND_MIXER_VOLUME   */
 
166
        0x00,   /* SOUND_MIXER_BASS     */
 
167
        0x00,   /* SOUND_MIXER_TREBLE   */
 
168
        0x40,   /* SOUND_MIXER_SYNTH    */
 
169
        0x00,   /* SOUND_MIXER_PCM      */
 
170
        0x00,   /* SOUND_MIXER_SPEAKER  */
 
171
        0x10,   /* SOUND_MIXER_LINE     */
 
172
        0x01,   /* SOUND_MIXER_MIC      */
 
173
        0x04,   /* SOUND_MIXER_CD       */
 
174
        0x00,   /* SOUND_MIXER_IMIX     */
 
175
        0x00,   /* SOUND_MIXER_ALTPCM   */
 
176
        0x00,   /* SOUND_MIXER_RECLEV   */
 
177
        0x00,   /* SOUND_MIXER_IGAIN    */
 
178
        0x00    /* SOUND_MIXER_OGAIN    */
 
179
};
 
180
 
 
181
static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
 
182
{
 
183
        0x00,   /* SOUND_MIXER_VOLUME   */
 
184
        0x00,   /* SOUND_MIXER_BASS     */
 
185
        0x00,   /* SOUND_MIXER_TREBLE   */
 
186
        0x20,   /* SOUND_MIXER_SYNTH    */
 
187
        0x00,   /* SOUND_MIXER_PCM      */
 
188
        0x00,   /* SOUND_MIXER_SPEAKER  */
 
189
        0x08,   /* SOUND_MIXER_LINE     */
 
190
        0x01,   /* SOUND_MIXER_MIC      */
 
191
        0x02,   /* SOUND_MIXER_CD       */
 
192
        0x00,   /* SOUND_MIXER_IMIX     */
 
193
        0x00,   /* SOUND_MIXER_ALTPCM   */
 
194
        0x00,   /* SOUND_MIXER_RECLEV   */
 
195
        0x00,   /* SOUND_MIXER_IGAIN    */
 
196
        0x00    /* SOUND_MIXER_OGAIN    */
 
197
};
 
198
 
 
199
static char     smw_mix_regs[] =        /* Left mixer registers */
 
200
{
 
201
  0x0b,                         /* SOUND_MIXER_VOLUME */
 
202
  0x0d,                         /* SOUND_MIXER_BASS */
 
203
  0x0d,                         /* SOUND_MIXER_TREBLE */
 
204
  0x05,                         /* SOUND_MIXER_SYNTH */
 
205
  0x09,                         /* SOUND_MIXER_PCM */
 
206
  0x00,                         /* SOUND_MIXER_SPEAKER */
 
207
  0x03,                         /* SOUND_MIXER_LINE */
 
208
  0x01,                         /* SOUND_MIXER_MIC */
 
209
  0x07,                         /* SOUND_MIXER_CD */
 
210
  0x00,                         /* SOUND_MIXER_IMIX */
 
211
  0x00,                         /* SOUND_MIXER_ALTPCM */
 
212
  0x00,                         /* SOUND_MIXER_RECLEV */
 
213
  0x00,                         /* SOUND_MIXER_IGAIN */
 
214
  0x00,                         /* SOUND_MIXER_OGAIN */
 
215
  0x00,                         /* SOUND_MIXER_LINE1 */
 
216
  0x00,                         /* SOUND_MIXER_LINE2 */
 
217
  0x00                          /* SOUND_MIXER_LINE3 */
 
218
};
 
219
 
 
220
static int      sbmixnum = 1;
 
221
 
 
222
static void     sb_mixer_reset(sb_devc * devc);
 
223
 
 
224
void sb_mixer_set_stereo(sb_devc * devc, int mode)
 
225
{
 
226
        sb_chgmixer(devc, OUT_FILTER, STEREO_DAC, (mode ? STEREO_DAC : MONO_DAC));
 
227
}
 
228
 
 
229
static int detect_mixer(sb_devc * devc)
 
230
{
 
231
        /* Just trust the mixer is there */
 
232
        return 1;
 
233
}
 
234
 
 
235
static void oss_change_bits(sb_devc *devc, unsigned char *regval, int dev, int chn, int newval)
 
236
{
 
237
        unsigned char mask;
 
238
        int shift;
 
239
 
 
240
        mask = (1 << (*devc->iomap)[dev][chn].nbits) - 1;
 
241
        newval = (int) ((newval * mask) + 50) / 100;    /* Scale */
 
242
 
 
243
        shift = (*devc->iomap)[dev][chn].bitoffs - (*devc->iomap)[dev][LEFT_CHN].nbits + 1;
 
244
 
 
245
        *regval &= ~(mask << shift);    /* Mask out previous value */
 
246
        *regval |= (newval & mask) << shift;    /* Set the new value */
 
247
}
 
248
 
 
249
static int sb_mixer_get(sb_devc * devc, int dev)
 
250
{
 
251
        if (!((1 << dev) & devc->supported_devices))
 
252
                return -EINVAL;
 
253
        return devc->levels[dev];
 
254
}
 
255
 
 
256
void smw_mixer_init(sb_devc * devc)
 
257
{
 
258
        int i;
 
259
 
 
260
        sb_setmixer(devc, 0x00, 0x18);  /* Mute unused (Telephone) line */
 
261
        sb_setmixer(devc, 0x10, 0x38);  /* Config register 2 */
 
262
 
 
263
        devc->supported_devices = 0;
 
264
        for (i = 0; i < sizeof(smw_mix_regs); i++)
 
265
                if (smw_mix_regs[i] != 0)
 
266
                        devc->supported_devices |= (1 << i);
 
267
 
 
268
        devc->supported_rec_devices = devc->supported_devices &
 
269
                ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | SOUND_MASK_VOLUME);
 
270
        sb_mixer_reset(devc);
 
271
}
 
272
 
 
273
int sb_common_mixer_set(sb_devc * devc, int dev, int left, int right)
 
274
{
 
275
        int regoffs;
 
276
        unsigned char val;
 
277
 
 
278
        if ((dev < 0) || (dev >= devc->iomap_sz))
 
279
                return -EINVAL;
 
280
 
 
281
        regoffs = (*devc->iomap)[dev][LEFT_CHN].regno;
 
282
 
 
283
        if (regoffs == 0)
 
284
                return -EINVAL;
 
285
 
 
286
        val = sb_getmixer(devc, regoffs);
 
287
        oss_change_bits(devc, &val, dev, LEFT_CHN, left);
 
288
 
 
289
        if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs)    /*
 
290
                                                                 * Change register
 
291
                                                                 */
 
292
        {
 
293
                sb_setmixer(devc, regoffs, val);        /*
 
294
                                                         * Save the old one
 
295
                                                         */
 
296
                regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno;
 
297
 
 
298
                if (regoffs == 0)
 
299
                        return left | (left << 8);      /*
 
300
                                                         * Just left channel present
 
301
                                                         */
 
302
 
 
303
                val = sb_getmixer(devc, regoffs);       /*
 
304
                                                         * Read the new one
 
305
                                                         */
 
306
        }
 
307
        oss_change_bits(devc, &val, dev, RIGHT_CHN, right);
 
308
 
 
309
        sb_setmixer(devc, regoffs, val);
 
310
 
 
311
        return left | (right << 8);
 
312
}
 
313
 
 
314
static int smw_mixer_set(sb_devc * devc, int dev, int left, int right)
 
315
{
 
316
        int reg, val;
 
317
 
 
318
        switch (dev)
 
319
        {
 
320
                case SOUND_MIXER_VOLUME:
 
321
                        sb_setmixer(devc, 0x0b, 96 - (96 * left / 100));        /* 96=mute, 0=max */
 
322
                        sb_setmixer(devc, 0x0c, 96 - (96 * right / 100));
 
323
                        break;
 
324
 
 
325
                case SOUND_MIXER_BASS:
 
326
                case SOUND_MIXER_TREBLE:
 
327
                        devc->levels[dev] = left | (right << 8);
 
328
                        /* Set left bass and treble values */
 
329
                        val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4;
 
330
                        val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f;
 
331
                        sb_setmixer(devc, 0x0d, val);
 
332
 
 
333
                        /* Set right bass and treble values */
 
334
                        val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4;
 
335
                        val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f;
 
336
                        sb_setmixer(devc, 0x0e, val);
 
337
                
 
338
                        break;
 
339
 
 
340
                default:
 
341
                        /* bounds check */
 
342
                        if (dev < 0 || dev >= ARRAY_SIZE(smw_mix_regs))
 
343
                                return -EINVAL;
 
344
                        reg = smw_mix_regs[dev];
 
345
                        if (reg == 0)
 
346
                                return -EINVAL;
 
347
                        sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20);        /* 24=mute, 0=max */
 
348
                        sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40);
 
349
        }
 
350
 
 
351
        devc->levels[dev] = left | (right << 8);
 
352
        return left | (right << 8);
 
353
}
 
354
 
 
355
static int sb_mixer_set(sb_devc * devc, int dev, int value)
 
356
{
 
357
        int left = value & 0x000000ff;
 
358
        int right = (value & 0x0000ff00) >> 8;
 
359
        int retval;
 
360
 
 
361
        if (left > 100)
 
362
                left = 100;
 
363
        if (right > 100)
 
364
                right = 100;
 
365
 
 
366
        if ((dev < 0) || (dev > 31))
 
367
                return -EINVAL;
 
368
 
 
369
        if (!(devc->supported_devices & (1 << dev)))    /*
 
370
                                                         * Not supported
 
371
                                                         */
 
372
                return -EINVAL;
 
373
 
 
374
        /* Differentiate depending on the chipsets */
 
375
        switch (devc->model) {
 
376
        case MDL_SMW:
 
377
                retval = smw_mixer_set(devc, dev, left, right);
 
378
                break;
 
379
        case MDL_ESS:
 
380
                retval = ess_mixer_set(devc, dev, left, right);
 
381
                break;
 
382
        default:
 
383
                retval = sb_common_mixer_set(devc, dev, left, right);
 
384
        }
 
385
        if (retval >= 0) devc->levels[dev] = retval;
 
386
 
 
387
        return retval;
 
388
}
 
389
 
 
390
/*
 
391
 * set_recsrc doesn't apply to ES188x
 
392
 */
 
393
static void set_recsrc(sb_devc * devc, int src)
 
394
{
 
395
        sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7));
 
396
}
 
397
 
 
398
static int set_recmask(sb_devc * devc, int mask)
 
399
{
 
400
        int devmask, i;
 
401
        unsigned char  regimageL, regimageR;
 
402
 
 
403
        devmask = mask & devc->supported_rec_devices;
 
404
 
 
405
        switch (devc->model)
 
406
        {
 
407
                case MDL_SBPRO:
 
408
                case MDL_ESS:
 
409
                case MDL_JAZZ:
 
410
                case MDL_SMW:
 
411
                        if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
 
412
                                break;
 
413
                        };
 
414
                        if (devmask != SOUND_MASK_MIC &&
 
415
                                devmask != SOUND_MASK_LINE &&
 
416
                                devmask != SOUND_MASK_CD)
 
417
                        {
 
418
                                /*
 
419
                                 * More than one device selected. Drop the
 
420
                                 * previous selection
 
421
                                 */
 
422
                                devmask &= ~devc->recmask;
 
423
                        }
 
424
                        if (devmask != SOUND_MASK_MIC &&
 
425
                                devmask != SOUND_MASK_LINE &&
 
426
                                devmask != SOUND_MASK_CD)
 
427
                        {
 
428
                                /*
 
429
                                 * More than one device selected. Default to
 
430
                                 * mic
 
431
                                 */
 
432
                                devmask = SOUND_MASK_MIC;
 
433
                        }
 
434
                        if (devmask ^ devc->recmask)    /*
 
435
                                                         *      Input source changed
 
436
                                                         */
 
437
                        {
 
438
                                switch (devmask)
 
439
                                {
 
440
                                        case SOUND_MASK_MIC:
 
441
                                                set_recsrc(devc, SRC__MIC);
 
442
                                                break;
 
443
 
 
444
                                        case SOUND_MASK_LINE:
 
445
                                                set_recsrc(devc, SRC__LINE);
 
446
                                                break;
 
447
 
 
448
                                        case SOUND_MASK_CD:
 
449
                                                set_recsrc(devc, SRC__CD);
 
450
                                                break;
 
451
 
 
452
                                        default:
 
453
                                                set_recsrc(devc, SRC__MIC);
 
454
                                }
 
455
                        }
 
456
                        break;
 
457
 
 
458
                case MDL_SB16:
 
459
                        if (!devmask)
 
460
                                devmask = SOUND_MASK_MIC;
 
461
 
 
462
                        if (devc->submodel == SUBMDL_ALS007) 
 
463
                        {
 
464
                                switch (devmask) 
 
465
                                {
 
466
                                        case SOUND_MASK_LINE:
 
467
                                                sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE);
 
468
                                                break;
 
469
                                        case SOUND_MASK_CD:
 
470
                                                sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD);
 
471
                                                break;
 
472
                                        case SOUND_MASK_SYNTH:
 
473
                                                sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH);
 
474
                                                break;
 
475
                                        default:           /* Also takes care of SOUND_MASK_MIC case */
 
476
                                                sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC);
 
477
                                                break;
 
478
                                }
 
479
                        }
 
480
                        else
 
481
                        {
 
482
                                regimageL = regimageR = 0;
 
483
                                for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 
484
                                {
 
485
                                        if ((1 << i) & devmask)
 
486
                                        {
 
487
                                                regimageL |= sb16_recmasks_L[i];
 
488
                                                regimageR |= sb16_recmasks_R[i];
 
489
                                        }
 
490
                                        sb_setmixer (devc, SB16_IMASK_L, regimageL);
 
491
                                        sb_setmixer (devc, SB16_IMASK_R, regimageR);
 
492
                                }
 
493
                        }
 
494
                        break;
 
495
        }
 
496
        devc->recmask = devmask;
 
497
        return devc->recmask;
 
498
}
 
499
 
 
500
static int set_outmask(sb_devc * devc, int mask)
 
501
{
 
502
        int devmask, i;
 
503
        unsigned char  regimage;
 
504
 
 
505
        devmask = mask & devc->supported_out_devices;
 
506
 
 
507
        switch (devc->model)
 
508
        {
 
509
                case MDL_SB16:
 
510
                        if (devc->submodel == SUBMDL_ALS007) 
 
511
                                break;
 
512
                        else
 
513
                        {
 
514
                                regimage = 0;
 
515
                                for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 
516
                                {
 
517
                                        if ((1 << i) & devmask)
 
518
                                        {
 
519
                                                regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]);
 
520
                                        }
 
521
                                        sb_setmixer (devc, SB16_OMASK, regimage);
 
522
                                }
 
523
                        }
 
524
                        break;
 
525
                default:
 
526
                        break;
 
527
        }
 
528
 
 
529
        devc->outmask = devmask;
 
530
        return devc->outmask;
 
531
}
 
532
 
 
533
static int sb_mixer_ioctl(int dev, unsigned int cmd, void __user *arg)
 
534
{
 
535
        sb_devc *devc = mixer_devs[dev]->devc;
 
536
        int val, ret;
 
537
        int __user *p = arg;
 
538
 
 
539
        /*
 
540
         * Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1).
 
541
         * Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1)
 
542
         *                                            or mode==2 put 3DSE state to mode.
 
543
         */
 
544
        if (devc->model == MDL_SB16) {
 
545
                if (cmd == SOUND_MIXER_AGC) 
 
546
                {
 
547
                        if (get_user(val, p))
 
548
                                return -EFAULT;
 
549
                        sb_setmixer(devc, 0x43, (~val) & 0x01);
 
550
                        return 0;
 
551
                }
 
552
                if (cmd == SOUND_MIXER_3DSE) 
 
553
                {
 
554
                        /* I put here 15, but I don't know the exact version.
 
555
                           At least my 4.13 havn't 3DSE, 4.16 has it. */
 
556
                        if (devc->minor < 15)
 
557
                                return -EINVAL;
 
558
                        if (get_user(val, p))
 
559
                                return -EFAULT;
 
560
                        if (val == 0 || val == 1)
 
561
                                sb_chgmixer(devc, AWE_3DSE, 0x01, val);
 
562
                        else if (val == 2)
 
563
                        {
 
564
                                ret = sb_getmixer(devc, AWE_3DSE)&0x01;
 
565
                                return put_user(ret, p);
 
566
                        }
 
567
                        else
 
568
                                return -EINVAL;
 
569
                        return 0;
 
570
                }
 
571
        }
 
572
        if (((cmd >> 8) & 0xff) == 'M') 
 
573
        {
 
574
                if (_SIOC_DIR(cmd) & _SIOC_WRITE) 
 
575
                {
 
576
                        if (get_user(val, p))
 
577
                                return -EFAULT;
 
578
                        switch (cmd & 0xff) 
 
579
                        {
 
580
                                case SOUND_MIXER_RECSRC:
 
581
                                        ret = set_recmask(devc, val);
 
582
                                        break;
 
583
 
 
584
                                case SOUND_MIXER_OUTSRC:
 
585
                                        ret = set_outmask(devc, val);
 
586
                                        break;
 
587
 
 
588
                                default:
 
589
                                        ret = sb_mixer_set(devc, cmd & 0xff, val);
 
590
                        }
 
591
                }
 
592
                else switch (cmd & 0xff) 
 
593
                {
 
594
                        case SOUND_MIXER_RECSRC:
 
595
                                ret = devc->recmask;
 
596
                                break;
 
597
                                  
 
598
                        case SOUND_MIXER_OUTSRC:
 
599
                                ret = devc->outmask;
 
600
                                break;
 
601
                                  
 
602
                        case SOUND_MIXER_DEVMASK:
 
603
                                ret = devc->supported_devices;
 
604
                                break;
 
605
                                  
 
606
                        case SOUND_MIXER_STEREODEVS:
 
607
                                ret = devc->supported_devices;
 
608
                                /* The ESS seems to have stereo mic controls */
 
609
                                if (devc->model == MDL_ESS)
 
610
                                        ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX);
 
611
                                else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW)
 
612
                                        ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
 
613
                                break;
 
614
                                  
 
615
                        case SOUND_MIXER_RECMASK:
 
616
                                ret = devc->supported_rec_devices;
 
617
                                break;
 
618
                                  
 
619
                        case SOUND_MIXER_OUTMASK:
 
620
                                ret = devc->supported_out_devices;
 
621
                                break;
 
622
                                  
 
623
                        case SOUND_MIXER_CAPS:
 
624
                                ret = devc->mixer_caps;
 
625
                                break;
 
626
                                    
 
627
                        default:
 
628
                                ret = sb_mixer_get(devc, cmd & 0xff);
 
629
                                break;
 
630
                }
 
631
                return put_user(ret, p); 
 
632
        } else
 
633
                return -EINVAL;
 
634
}
 
635
 
 
636
static struct mixer_operations sb_mixer_operations =
 
637
{
 
638
        .owner  = THIS_MODULE,
 
639
        .id     = "SB",
 
640
        .name   = "Sound Blaster",
 
641
        .ioctl  = sb_mixer_ioctl
 
642
};
 
643
 
 
644
static struct mixer_operations als007_mixer_operations =
 
645
{
 
646
        .owner  = THIS_MODULE,
 
647
        .id     = "ALS007",
 
648
        .name   = "Avance ALS-007",
 
649
        .ioctl  = sb_mixer_ioctl
 
650
};
 
651
 
 
652
static void sb_mixer_reset(sb_devc * devc)
 
653
{
 
654
        char name[32];
 
655
        int i;
 
656
 
 
657
        sprintf(name, "SB_%d", devc->sbmixnum);
 
658
 
 
659
        if (devc->sbmo.sm_games)
 
660
                devc->levels = load_mixer_volumes(name, smg_default_levels, 1);
 
661
        else
 
662
                devc->levels = load_mixer_volumes(name, sb_default_levels, 1);
 
663
 
 
664
        for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 
665
                sb_mixer_set(devc, i, devc->levels[i]);
 
666
 
 
667
        if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
 
668
                set_recmask(devc, SOUND_MASK_MIC);
 
669
        };
 
670
}
 
671
 
 
672
int sb_mixer_init(sb_devc * devc, struct module *owner)
 
673
{
 
674
        int mixer_type = 0;
 
675
        int m;
 
676
 
 
677
        devc->sbmixnum = sbmixnum++;
 
678
        devc->levels = NULL;
 
679
 
 
680
        sb_setmixer(devc, 0x00, 0);     /* Reset mixer */
 
681
 
 
682
        if (!(mixer_type = detect_mixer(devc)))
 
683
                return 0;       /* No mixer. Why? */
 
684
 
 
685
        switch (devc->model)
 
686
        {
 
687
                case MDL_ESSPCI:
 
688
                case MDL_YMPCI:
 
689
                case MDL_SBPRO:
 
690
                case MDL_AZTECH:
 
691
                case MDL_JAZZ:
 
692
                        devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 
693
                        devc->supported_devices = SBPRO_MIXER_DEVICES;
 
694
                        devc->supported_rec_devices = SBPRO_RECORDING_DEVICES;
 
695
                        devc->iomap = &sbpro_mix;
 
696
                        devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
 
697
                        break;
 
698
 
 
699
                case MDL_ESS:
 
700
                        ess_mixer_init (devc);
 
701
                        break;
 
702
 
 
703
                case MDL_SMW:
 
704
                        devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
 
705
                        devc->supported_devices = 0;
 
706
                        devc->supported_rec_devices = 0;
 
707
                        devc->iomap = &sbpro_mix;
 
708
                        devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
 
709
                        smw_mixer_init(devc);
 
710
                        break;
 
711
 
 
712
                case MDL_SB16:
 
713
                        devc->mixer_caps = 0;
 
714
                        devc->supported_rec_devices = SB16_RECORDING_DEVICES;
 
715
                        devc->supported_out_devices = SB16_OUTFILTER_DEVICES;
 
716
                        if (devc->submodel != SUBMDL_ALS007)
 
717
                        {
 
718
                                devc->supported_devices = SB16_MIXER_DEVICES;
 
719
                                devc->iomap = &sb16_mix;
 
720
                                devc->iomap_sz = ARRAY_SIZE(sb16_mix);
 
721
                        }
 
722
                        else
 
723
                        {
 
724
                                devc->supported_devices = ALS007_MIXER_DEVICES;
 
725
                                devc->iomap = &als007_mix;
 
726
                                devc->iomap_sz = ARRAY_SIZE(als007_mix);
 
727
                        }
 
728
                        break;
 
729
 
 
730
                default:
 
731
                        printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model);
 
732
                        return 0;
 
733
        }
 
734
 
 
735
        m = sound_alloc_mixerdev();
 
736
        if (m == -1)
 
737
                return 0;
 
738
 
 
739
        mixer_devs[m] = kmalloc(sizeof(struct mixer_operations), GFP_KERNEL);
 
740
        if (mixer_devs[m] == NULL)
 
741
        {
 
742
                printk(KERN_ERR "sb_mixer: Can't allocate memory\n");
 
743
                sound_unload_mixerdev(m);
 
744
                return 0;
 
745
        }
 
746
 
 
747
        if (devc->submodel != SUBMDL_ALS007)
 
748
                memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations));
 
749
        else
 
750
                memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations));
 
751
 
 
752
        mixer_devs[m]->devc = devc;
 
753
 
 
754
        if (owner)
 
755
                         mixer_devs[m]->owner = owner;
 
756
        
 
757
        devc->my_mixerdev = m;
 
758
        sb_mixer_reset(devc);
 
759
        return 1;
 
760
}
 
761
 
 
762
void sb_mixer_unload(sb_devc *devc)
 
763
{
 
764
        if (devc->my_mixerdev == -1)
 
765
                return;
 
766
 
 
767
        kfree(mixer_devs[devc->my_mixerdev]);
 
768
        sound_unload_mixerdev(devc->my_mixerdev);
 
769
        sbmixnum--;
 
770
}