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-rw-r--r--sys/i386/isa/sound/pas2_mixer.c322
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diff --git a/sys/i386/isa/sound/pas2_mixer.c b/sys/i386/isa/sound/pas2_mixer.c
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+/*
+ * sound/pas2_mixer.c
+ *
+ * Mixer routines for the Pro Audio Spectrum cards.
+ *
+ * Copyright by Hannu Savolainen 1993
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#define _PAS2_MIXER_C_
+
+#include <i386/isa/sound/sound_config.h>
+
+#if defined(CONFIG_PAS)
+
+#include <i386/isa/sound/pas_hw.h>
+
+#define TRACE(what) /* (what) */
+
+extern int translat_code;
+extern char pas_model;
+extern sound_os_info *pas_osp;
+
+static int rec_devices = (SOUND_MASK_MIC); /* Default recording source */
+static int mode_control = 0;
+
+#define POSSIBLE_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
+ SOUND_MASK_CD | SOUND_MASK_ALTPCM)
+
+#define SUPPORTED_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
+ SOUND_MASK_CD | SOUND_MASK_ALTPCM | SOUND_MASK_IMIX | \
+ SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_RECLEV | \
+ SOUND_MASK_MUTE | SOUND_MASK_ENHANCE | SOUND_MASK_LOUD)
+
+static u_short levels[SOUND_MIXER_NRDEVICES] =
+{
+ 0x3232, /* Master Volume */
+ 0x3232, /* Bass */
+ 0x3232, /* Treble */
+ 0x5050, /* FM */
+ 0x4b4b, /* PCM */
+ 0x3232, /* PC Speaker */
+ 0x4b4b, /* Ext Line */
+ 0x4b4b, /* Mic */
+ 0x4b4b, /* CD */
+ 0x6464, /* Recording monitor */
+ 0x4b4b, /* SB PCM */
+ 0x6464 /* Recording level */
+};
+
+void
+mix_write(u_char data, int ioaddr)
+{
+ /*
+ * The Revision D cards have a problem with their MVA508 interface.
+ * The kludge-o-rama fix is to make a 16-bit quantity with identical
+ * LSB and MSBs out of the output byte and to do a 16-bit out to the
+ * mixer port - 1. We need to do this because it isn't timing problem
+ * but chip access sequence problem.
+ */
+
+ if (pas_model == PAS_16D) {
+ outw((ioaddr ^ translat_code) - 1, data | (data << 8));
+ outb(0, 0x80);
+ } else
+ pas_write(data, ioaddr);
+}
+
+static int
+mixer_output(int right_vol, int left_vol, int div, int bits,
+ int mixer)
+{ /* Input or output mixer */
+ int left = left_vol * div / 100;
+ int right = right_vol * div / 100;
+
+
+ if (bits & P_M_MV508_MIXER) { /* Select input or output mixer */
+ left |= mixer;
+ right |= mixer;
+ }
+ if (bits == P_M_MV508_BASS || bits == P_M_MV508_TREBLE) { /* Bass and treble are
+ * mono devices */
+ mix_write(P_M_MV508_ADDRESS | bits, PARALLEL_MIXER);
+ mix_write(left, PARALLEL_MIXER);
+ right_vol = left_vol;
+ } else {
+ mix_write(P_M_MV508_ADDRESS | P_M_MV508_LEFT | bits, PARALLEL_MIXER);
+ mix_write(left, PARALLEL_MIXER);
+ mix_write(P_M_MV508_ADDRESS | P_M_MV508_RIGHT | bits, PARALLEL_MIXER);
+ mix_write(right, PARALLEL_MIXER);
+ }
+
+ return (left_vol | (right_vol << 8));
+}
+
+static void
+set_mode(int new_mode)
+{
+ mix_write(P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER);
+ mix_write(new_mode, PARALLEL_MIXER);
+
+ mode_control = new_mode;
+}
+
+static int
+pas_mixer_set(int whichDev, u_int level)
+{
+ int left, right, devmask, changed, i, mixer = 0;
+
+ TRACE(printf("static int pas_mixer_set(int whichDev = %d, u_int level = %X)\n", whichDev, level));
+
+ left = level & 0x7f;
+ right = (level & 0x7f00) >> 8;
+
+ if (whichDev < SOUND_MIXER_NRDEVICES)
+ if ((1 << whichDev) & rec_devices)
+ mixer = P_M_MV508_INPUTMIX;
+ else
+ mixer = P_M_MV508_OUTPUTMIX;
+
+ switch (whichDev) {
+ case SOUND_MIXER_VOLUME: /* Master volume (0-63) */
+ levels[whichDev] = mixer_output(right, left, 63, P_M_MV508_MASTER_A, 0);
+ break;
+
+ /*
+ * Note! Bass and Treble are mono devices. Will use just the
+ * left channel.
+ */
+ case SOUND_MIXER_BASS: /* Bass (0-12) */
+ levels[whichDev] = mixer_output(right, left, 12, P_M_MV508_BASS, 0);
+ break;
+ case SOUND_MIXER_TREBLE: /* Treble (0-12) */
+ levels[whichDev] = mixer_output(right, left, 12, P_M_MV508_TREBLE, 0);
+ break;
+
+ case SOUND_MIXER_SYNTH:/* Internal synthesizer (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_FM, mixer);
+ break;
+ case SOUND_MIXER_PCM: /* PAS PCM (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_PCM, mixer);
+ break;
+ case SOUND_MIXER_ALTPCM: /* SB PCM (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_SB, mixer);
+ break;
+ case SOUND_MIXER_SPEAKER: /* PC speaker (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_SPEAKER, mixer);
+ break;
+ case SOUND_MIXER_LINE: /* External line (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_LINE, mixer);
+ break;
+ case SOUND_MIXER_CD: /* CD (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_CDROM, mixer);
+ break;
+ case SOUND_MIXER_MIC: /* External microphone (0-31) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_MIC, mixer);
+ break;
+ case SOUND_MIXER_IMIX: /* Recording monitor (0-31) (Output mixer
+ * only) */
+ levels[whichDev] = mixer_output(right, left, 31, P_M_MV508_MIXER | P_M_MV508_IMIXER,
+ P_M_MV508_OUTPUTMIX);
+ break;
+ case SOUND_MIXER_RECLEV: /* Recording level (0-15) */
+ levels[whichDev] = mixer_output(right, left, 15, P_M_MV508_MASTER_B, 0);
+ break;
+
+ case SOUND_MIXER_MUTE:
+ return 0;
+ break;
+
+ case SOUND_MIXER_ENHANCE:
+ i = 0;
+ level &= 0x7f;
+ if (level)
+ i = (level / 20) - 1;
+
+ mode_control &= ~P_M_MV508_ENHANCE_BITS;
+ mode_control |= P_M_MV508_ENHANCE_BITS;
+ set_mode(mode_control);
+
+ if (i)
+ i = (i + 1) * 20;
+ return i;
+ break;
+
+ case SOUND_MIXER_LOUD:
+ mode_control &= ~P_M_MV508_LOUDNESS;
+ if (level)
+ mode_control |= P_M_MV508_LOUDNESS;
+ set_mode(mode_control);
+ return !!level; /* 0 or 1 */
+ break;
+
+ case SOUND_MIXER_RECSRC:
+ devmask = level & POSSIBLE_RECORDING_DEVICES;
+
+ changed = devmask ^ rec_devices;
+ rec_devices = devmask;
+
+ for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
+ if (changed & (1 << i)) {
+ pas_mixer_set(i, levels[i]);
+ }
+ return rec_devices;
+ break;
+
+ default:
+ return -(EINVAL);
+ }
+
+ return (levels[whichDev]);
+}
+
+/*****/
+
+static void
+pas_mixer_reset(void)
+{
+ int foo;
+
+ TRACE(printf("pas2_mixer.c: void pas_mixer_reset(void)\n"));
+
+ for (foo = 0; foo < SOUND_MIXER_NRDEVICES; foo++)
+ pas_mixer_set(foo, levels[foo]);
+
+ set_mode(P_M_MV508_LOUDNESS | P_M_MV508_ENHANCE_40);
+}
+
+static int
+pas_mixer_ioctl(int dev, u_int cmd, ioctl_arg arg)
+{
+ TRACE(printf("pas2_mixer.c: int pas_mixer_ioctl(u_int cmd = %X, u_int arg = %X)\n", cmd, arg));
+
+ if (((cmd >> 8) & 0xff) == 'M') {
+ if (cmd & IOC_IN)
+ return *(int *) arg = pas_mixer_set(cmd & 0xff, (*(int *) arg));
+ else { /* Read parameters */
+
+ switch (cmd & 0xff) {
+
+ case SOUND_MIXER_RECSRC:
+ return *(int *) arg = rec_devices;
+ break;
+
+ case SOUND_MIXER_STEREODEVS:
+ return *(int *) arg = SUPPORTED_MIXER_DEVICES & ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE);
+ break;
+
+ case SOUND_MIXER_DEVMASK:
+ return *(int *) arg = SUPPORTED_MIXER_DEVICES;
+ break;
+
+ case SOUND_MIXER_RECMASK:
+ return *(int *) arg = POSSIBLE_RECORDING_DEVICES & SUPPORTED_MIXER_DEVICES;
+ break;
+
+ case SOUND_MIXER_CAPS:
+ return *(int *) arg = 0; /* No special
+ * capabilities */
+ break;
+
+ case SOUND_MIXER_MUTE:
+ return *(int *) arg = 0; /* No mute yet */
+ break;
+
+ case SOUND_MIXER_ENHANCE:
+ if (!(mode_control & P_M_MV508_ENHANCE_BITS))
+ return *(int *) arg = 0;
+ return *(int *) arg = ((mode_control & P_M_MV508_ENHANCE_BITS) + 1) * 20;
+ break;
+
+ case SOUND_MIXER_LOUD:
+ if (mode_control & P_M_MV508_LOUDNESS)
+ return *(int *) arg = 1;
+ return *(int *) arg = 0;
+ break;
+
+ default:
+ return *(int *) arg = levels[cmd & 0xff];
+ }
+ }
+ }
+ return -(EINVAL);
+}
+
+static struct mixer_operations pas_mixer_operations =
+{
+ "Pro Audio Spectrum 16",
+ pas_mixer_ioctl
+};
+
+int
+pas_init_mixer(void)
+{
+ pas_mixer_reset();
+
+ if (num_mixers < MAX_MIXER_DEV)
+ mixer_devs[num_mixers++] = &pas_mixer_operations;
+ return 1;
+}
+
+#endif
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