5 * Mixer routines for the Pro Audio Spectrum cards.
9 * Copyright (C) by Hannu Savolainen 1993-1997
11 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
12 * Version 2 (June 1991). See the "COPYING" file distributed with this software
16 * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed)
18 #include "sound_config.h"
23 #define DEB(what) /* (what) */
26 extern int translate_code
;
27 extern char pas_model
;
29 extern int pas_audiodev
;
31 static int rec_devices
= (SOUND_MASK_MIC
); /* Default recording source */
32 static int mode_control
= 0;
34 #define POSSIBLE_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
35 SOUND_MASK_CD | SOUND_MASK_ALTPCM)
37 #define SUPPORTED_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
38 SOUND_MASK_CD | SOUND_MASK_ALTPCM | SOUND_MASK_IMIX | \
39 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_RECLEV)
43 static int default_levels
[32] =
45 0x3232, /* Master Volume */
50 0x3232, /* PC Speaker */
51 0x4b4b, /* Ext Line */
54 0x6464, /* Recording monitor */
56 0x6464 /* Recording level */
60 mix_write(unsigned char data
, int ioaddr
)
63 * The Revision D cards have a problem with their MVA508 interface. The
64 * kludge-o-rama fix is to make a 16-bit quantity with identical LSB and
65 * MSBs out of the output byte and to do a 16-bit out to the mixer port -
66 * 1. We need to do this because it isn't timing problem but chip access
72 outw(data
| (data
<< 8), (ioaddr
+ translate_code
) - 1);
75 pas_write(data
, ioaddr
);
79 mixer_output(int right_vol
, int left_vol
, int div
, int bits
,
80 int mixer
) /* Input or output mixer */
82 int left
= left_vol
* div
/ 100;
83 int right
= right_vol
* div
/ 100;
91 if (bits
== 0x03 || bits
== 0x04)
93 mix_write(0x80 | bits
, 0x078B);
94 mix_write(left
, 0x078B);
98 mix_write(0x80 | 0x20 | bits
, 0x078B);
99 mix_write(left
, 0x078B);
100 mix_write(0x80 | 0x40 | bits
, 0x078B);
101 mix_write(right
, 0x078B);
104 return (left_vol
| (right_vol
<< 8));
108 set_mode(int new_mode
)
110 mix_write(0x80 | 0x05, 0x078B);
111 mix_write(new_mode
, 0x078B);
113 mode_control
= new_mode
;
117 pas_mixer_set(int whichDev
, unsigned int level
)
119 int left
, right
, devmask
, changed
, i
, mixer
= 0;
121 DEB(printk("static int pas_mixer_set(int whichDev = %d, unsigned int level = %X)\n", whichDev
, level
));
124 right
= (level
& 0x7f00) >> 8;
126 if (whichDev
< SOUND_MIXER_NRDEVICES
) {
127 if ((1 << whichDev
) & rec_devices
)
135 case SOUND_MIXER_VOLUME
: /* Master volume (0-63) */
136 levels
[whichDev
] = mixer_output(right
, left
, 63, 0x01, 0);
140 * Note! Bass and Treble are mono devices. Will use just the left
143 case SOUND_MIXER_BASS
: /* Bass (0-12) */
144 levels
[whichDev
] = mixer_output(right
, left
, 12, 0x03, 0);
146 case SOUND_MIXER_TREBLE
: /* Treble (0-12) */
147 levels
[whichDev
] = mixer_output(right
, left
, 12, 0x04, 0);
150 case SOUND_MIXER_SYNTH
: /* Internal synthesizer (0-31) */
151 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x00, mixer
);
153 case SOUND_MIXER_PCM
: /* PAS PCM (0-31) */
154 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x05, mixer
);
156 case SOUND_MIXER_ALTPCM
: /* SB PCM (0-31) */
157 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x07, mixer
);
159 case SOUND_MIXER_SPEAKER
: /* PC speaker (0-31) */
160 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x06, mixer
);
162 case SOUND_MIXER_LINE
: /* External line (0-31) */
163 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x02, mixer
);
165 case SOUND_MIXER_CD
: /* CD (0-31) */
166 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x03, mixer
);
168 case SOUND_MIXER_MIC
: /* External microphone (0-31) */
169 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x04, mixer
);
171 case SOUND_MIXER_IMIX
: /* Recording monitor (0-31) (Output mixer only) */
172 levels
[whichDev
] = mixer_output(right
, left
, 31, 0x10 | 0x01,
175 case SOUND_MIXER_RECLEV
: /* Recording level (0-15) */
176 levels
[whichDev
] = mixer_output(right
, left
, 15, 0x02, 0);
180 case SOUND_MIXER_RECSRC
:
181 devmask
= level
& POSSIBLE_RECORDING_DEVICES
;
183 changed
= devmask
^ rec_devices
;
184 rec_devices
= devmask
;
186 for (i
= 0; i
< SOUND_MIXER_NRDEVICES
; i
++)
187 if (changed
& (1 << i
))
189 pas_mixer_set(i
, levels
[i
]);
198 return (levels
[whichDev
]);
204 pas_mixer_reset(void)
208 DEB(printk("pas2_mixer.c: void pas_mixer_reset(void)\n"));
210 for (foo
= 0; foo
< SOUND_MIXER_NRDEVICES
; foo
++)
211 pas_mixer_set(foo
, levels
[foo
]);
213 set_mode(0x04 | 0x01);
216 static int pas_mixer_ioctl(int dev
, unsigned int cmd
, caddr_t arg
)
220 DEB(printk("pas2_mixer.c: int pas_mixer_ioctl(unsigned int cmd = %X, unsigned int arg = %X)\n", cmd
, arg
));
221 if (cmd
== SOUND_MIXER_PRIVATE1
) { /* Set loudness bit */
222 if (get_user(level
, (int *)arg
))
224 if (level
== -1) /* Return current settings */
225 level
= (mode_control
& 0x04);
227 mode_control
&= ~0x04;
229 mode_control
|= 0x04;
230 set_mode(mode_control
);
233 return put_user(level
, (int *)arg
);
235 if (cmd
== SOUND_MIXER_PRIVATE2
) { /* Set enhance bit */
236 if (get_user(level
, (int *)arg
))
238 if (level
== -1) { /* Return current settings */
239 if (!(mode_control
& 0x03))
242 level
= ((mode_control
& 0x03) + 1) * 20;
248 i
= (level
/ 20) - 1;
249 mode_control
&= ~0x03;
250 mode_control
|= i
& 0x03;
251 set_mode(mode_control
);
256 return put_user(level
, (int *)arg
);
258 if (cmd
== SOUND_MIXER_PRIVATE3
) { /* Set mute bit */
259 if (get_user(level
, (int *)arg
))
261 if (level
== -1) /* Return current settings */
262 level
= !(pas_read(0x0B8A) & 0x20);
265 pas_write(pas_read(0x0B8A) & (~0x20), 0x0B8A);
267 pas_write(pas_read(0x0B8A) | 0x20, 0x0B8A);
269 level
= !(pas_read(0x0B8A) & 0x20);
271 return put_user(level
, (int *)arg
);
273 if (((cmd
>> 8) & 0xff) == 'M') {
274 if (get_user(v
, (int *)arg
))
276 if (_SIOC_DIR(cmd
) & _SIOC_WRITE
) {
277 v
= pas_mixer_set(cmd
& 0xff, v
);
279 switch (cmd
& 0xff) {
280 case SOUND_MIXER_RECSRC
:
284 case SOUND_MIXER_STEREODEVS
:
285 v
= SUPPORTED_MIXER_DEVICES
& ~(SOUND_MASK_BASS
| SOUND_MASK_TREBLE
);
288 case SOUND_MIXER_DEVMASK
:
289 v
= SUPPORTED_MIXER_DEVICES
;
292 case SOUND_MIXER_RECMASK
:
293 v
= POSSIBLE_RECORDING_DEVICES
& SUPPORTED_MIXER_DEVICES
;
296 case SOUND_MIXER_CAPS
:
297 v
= 0; /* No special capabilities */
301 v
= levels
[cmd
& 0xff];
305 return put_user(v
, (int *)arg
);
310 static struct mixer_operations pas_mixer_operations
=
314 name
: "Pro Audio Spectrum 16",
315 ioctl
: pas_mixer_ioctl
323 levels
= load_mixer_volumes("PAS16_1", default_levels
, 1);
327 if ((d
= sound_alloc_mixerdev()) != -1)
329 audio_devs
[pas_audiodev
]->mixer_dev
= d
;
330 mixer_devs
[d
] = &pas_mixer_operations
;