diff options
Diffstat (limited to 'sys/i386/isa/sound/pas2_mixer.c')
-rw-r--r-- | sys/i386/isa/sound/pas2_mixer.c | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/sys/i386/isa/sound/pas2_mixer.c b/sys/i386/isa/sound/pas2_mixer.c deleted file mode 100644 index 305ef45..0000000 --- a/sys/i386/isa/sound/pas2_mixer.c +++ /dev/null @@ -1,322 +0,0 @@ -/* - * 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 |