4 * Mixer routines for the Pro Audio Spectrum cards.
6 * Copyright by Hannu Savolainen 1993
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
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28 * $FreeBSD: src/sys/i386/isa/sound/pas2_mixer.c,v 1.22 1999/12/20 18:05:00 eivind Exp $
31 #define _PAS2_MIXER_C_
33 #include <i386/isa/sound/sound_config.h>
35 #if defined(CONFIG_PAS)
37 #include <i386/isa/sound/pas_hw.h>
39 #define TRACE(what) /* (what) */
41 extern int translat_code;
42 extern char pas_model;
43 extern sound_os_info *pas_osp;
45 static int rec_devices = (SOUND_MASK_MIC); /* Default recording source */
46 static int mode_control = 0;
48 #define POSSIBLE_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
49 SOUND_MASK_CD | SOUND_MASK_ALTPCM)
51 #define SUPPORTED_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
52 SOUND_MASK_CD | SOUND_MASK_ALTPCM | SOUND_MASK_IMIX | \
53 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_RECLEV | \
54 SOUND_MASK_MUTE | SOUND_MASK_ENHANCE | SOUND_MASK_LOUD)
56 static u_short levels[SOUND_MIXER_NRDEVICES] =
58 0x3232, /* Master Volume */
63 0x3232, /* PC Speaker */
64 0x4b4b, /* Ext Line */
67 0x6464, /* Recording monitor */
69 0x6464 /* Recording level */
72 void mix_write(u_char data, int ioaddr);
75 mix_write(u_char data, int ioaddr)
78 * The Revision D cards have a problem with their MVA508 interface.
79 * The kludge-o-rama fix is to make a 16-bit quantity with identical
80 * LSB and MSBs out of the output byte and to do a 16-bit out to the
81 * mixer port - 1. We need to do this because it isn't timing problem
82 * but chip access sequence problem.
85 if (pas_model == PAS_16D) {
86 outw((ioaddr ^ translat_code) - 1, data | (data << 8));
89 pas_write(data, ioaddr);
93 mixer_output(int right_vol, int left_vol, int div, int bits,
95 { /* Input or output mixer */
96 int left = left_vol * div / 100;
97 int right = right_vol * div / 100;
100 if (bits & P_M_MV508_MIXER) { /* Select input or output mixer */
104 if (bits == P_M_MV508_BASS || bits == P_M_MV508_TREBLE) { /* Bass and treble are
106 mix_write(P_M_MV508_ADDRESS | bits, PARALLEL_MIXER);
107 mix_write(left, PARALLEL_MIXER);
108 right_vol = left_vol;
110 mix_write(P_M_MV508_ADDRESS | P_M_MV508_LEFT | bits, PARALLEL_MIXER);
111 mix_write(left, PARALLEL_MIXER);
112 mix_write(P_M_MV508_ADDRESS | P_M_MV508_RIGHT | bits, PARALLEL_MIXER);
113 mix_write(right, PARALLEL_MIXER);
116 return (left_vol | (right_vol << 8));
120 set_mode(int new_mode)
122 mix_write(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER);
123 mix_write(new_mode, PARALLEL_MIXER);
125 mode_control = new_mode;
129 pas_mixer_set(int whichDev, u_int level)
131 int left, right, devmask, changed, i, mixer = 0;
133 TRACE(printf("static int pas_mixer_set(int whichDev = %d, u_int level = %X)\n", whichDev, level));
136 right = (level & 0x7f00) >> 8;
138 if (whichDev < SOUND_MIXER_NRDEVICES) {
139 if ((1 << whichDev) & rec_devices)
140 mixer = P_M_MV508_INPUTMIX;
142 mixer = P_M_MV508_OUTPUTMIX;
145 case SOUND_MIXER_VOLUME: /* Master volume (0-63) */
146 levels[whichDev] = mixer_output(right, left, 63, P_M_MV508_MASTER_A, 0);
150 * Note! Bass and Treble are mono devices. Will use just the
153 case SOUND_MIXER_BASS: /* Bass (0-12) */
154 levels[whichDev] = mixer_output(right, left, 12, P_M_MV508_BASS, 0);
156 case SOUND_MIXER_TREBLE: /* Treble (0-12) */
157 levels[whichDev] = mixer_output(right, left, 12, P_M_MV508_TREBLE, 0);
160 case SOUND_MIXER_SYNTH:/* Internal synthesizer (0-31) */
161 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_FM, mixer);
163 case SOUND_MIXER_PCM: /* PAS PCM (0-31) */
164 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_PCM, mixer);
166 case SOUND_MIXER_ALTPCM: /* SB PCM (0-31) */
167 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_SB, mixer);
169 case SOUND_MIXER_SPEAKER: /* PC speaker (0-31) */
170 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_SPEAKER, mixer);
172 case SOUND_MIXER_LINE: /* External line (0-31) */
173 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_LINE, mixer);
175 case SOUND_MIXER_CD: /* CD (0-31) */
176 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_CDROM, mixer);
178 case SOUND_MIXER_MIC: /* External microphone (0-31) */
179 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_MIC, mixer);
181 case SOUND_MIXER_IMIX: /* Recording monitor (0-31) (Output mixer
183 levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_IMIXER,
184 P_M_MV508_OUTPUTMIX);
186 case SOUND_MIXER_RECLEV: /* Recording level (0-15) */
187 levels[whichDev] = mixer_output(right, left, 15, P_M_MV508_MASTER_B, 0);
190 case SOUND_MIXER_MUTE:
194 case SOUND_MIXER_ENHANCE:
198 i = (level / 20) - 1;
200 mode_control &= ~P_M_MV508_ENHANCE_BITS;
201 mode_control |= P_M_MV508_ENHANCE_BITS;
202 set_mode(mode_control);
209 case SOUND_MIXER_LOUD:
210 mode_control &= ~P_M_MV508_LOUDNESS;
212 mode_control |= P_M_MV508_LOUDNESS;
213 set_mode(mode_control);
214 return !!level; /* 0 or 1 */
217 case SOUND_MIXER_RECSRC:
218 devmask = level & POSSIBLE_RECORDING_DEVICES;
220 changed = devmask ^ rec_devices;
221 rec_devices = devmask;
223 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
224 if (changed & (1 << i)) {
225 pas_mixer_set(i, levels[i]);
234 return (levels[whichDev]);
240 pas_mixer_reset(void)
244 TRACE(printf("pas2_mixer.c: void pas_mixer_reset(void)\n"));
246 for (foo = 0; foo < SOUND_MIXER_NRDEVICES; foo++)
247 pas_mixer_set(foo, levels[foo]);
249 set_mode(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_40);
253 pas_mixer_ioctl(int dev, u_int cmd, ioctl_arg arg)
255 TRACE(printf("pas2_mixer.c: int pas_mixer_ioctl(u_int cmd = %X, u_int arg = %X)\n", cmd, arg));
257 if (((cmd >> 8) & 0xff) == 'M') {
259 return *(int *) arg = pas_mixer_set(cmd & 0xff, (*(int *) arg));
260 else { /* Read parameters */
262 switch (cmd & 0xff) {
264 case SOUND_MIXER_RECSRC:
265 return *(int *) arg = rec_devices;
268 case SOUND_MIXER_STEREODEVS:
269 return *(int *) arg = SUPPORTED_MIXER_DEVICES & ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE);
272 case SOUND_MIXER_DEVMASK:
273 return *(int *) arg = SUPPORTED_MIXER_DEVICES;
276 case SOUND_MIXER_RECMASK:
277 return *(int *) arg = POSSIBLE_RECORDING_DEVICES & SUPPORTED_MIXER_DEVICES;
280 case SOUND_MIXER_CAPS:
281 return *(int *) arg = 0; /* No special
285 case SOUND_MIXER_MUTE:
286 return *(int *) arg = 0; /* No mute yet */
289 case SOUND_MIXER_ENHANCE:
290 if (!(mode_control & P_M_MV508_ENHANCE_BITS))
291 return *(int *) arg = 0;
292 return *(int *) arg = ((mode_control & P_M_MV508_ENHANCE_BITS) + 1) * 20;
295 case SOUND_MIXER_LOUD:
296 if (mode_control & P_M_MV508_LOUDNESS)
297 return *(int *) arg = 1;
298 return *(int *) arg = 0;
302 return *(int *) arg = levels[cmd & 0xff];
309 static struct mixer_operations pas_mixer_operations =
311 "Pro Audio Spectrum 16",
320 if (num_mixers < MAX_MIXER_DEV)
321 mixer_devs[num_mixers++] = &pas_mixer_operations;