diff options
Diffstat (limited to 'sound/oss/pas2_mixer.c')
-rw-r--r-- | sound/oss/pas2_mixer.c | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/sound/oss/pas2_mixer.c b/sound/oss/pas2_mixer.c deleted file mode 100644 index 50b5bd501247..000000000000 --- a/sound/oss/pas2_mixer.c +++ /dev/null @@ -1,327 +0,0 @@ - -/* - * sound/oss/pas2_mixer.c - * - * Mixer routines for the Pro Audio Spectrum cards. - */ - -/* - * Copyright (C) by Hannu Savolainen 1993-1997 - * - * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL) - * Version 2 (June 1991). See the "COPYING" file distributed with this software - * for more info. - */ -/* - * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed) - * Bartlomiej Zolnierkiewicz : added __init to pas_init_mixer() - */ -#include <linux/init.h> -#include "sound_config.h" - -#include "pas2.h" - -extern int pas_translate_code; -extern char pas_model; -extern int *pas_osp; -extern int pas_audiodev; - -static int rec_devices = (SOUND_MASK_MIC); /* Default recording source */ -static int mode_control; - -#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) - -static int *levels; - -static int default_levels[32] = -{ - 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(unsigned 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 == 4) - { - outw(data | (data << 8), (ioaddr + pas_translate_code) - 1); - outb((0x80), 0); - } 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 & 0x10) - { - left |= mixer; - right |= mixer; - } - if (bits == 0x03 || bits == 0x04) - { - mix_write(0x80 | bits, 0x078B); - mix_write(left, 0x078B); - right_vol = left_vol; - } else - { - mix_write(0x80 | 0x20 | bits, 0x078B); - mix_write(left, 0x078B); - mix_write(0x80 | 0x40 | bits, 0x078B); - mix_write(right, 0x078B); - } - - return (left_vol | (right_vol << 8)); -} - -static void -set_mode(int new_mode) -{ - mix_write(0x80 | 0x05, 0x078B); - mix_write(new_mode, 0x078B); - - mode_control = new_mode; -} - -static int -pas_mixer_set(int whichDev, unsigned int level) -{ - int left, right, devmask, changed, i, mixer = 0; - - left = level & 0x7f; - right = (level & 0x7f00) >> 8; - - if (whichDev < SOUND_MIXER_NRDEVICES) { - if ((1 << whichDev) & rec_devices) - mixer = 0x20; - else - mixer = 0x00; - } - - switch (whichDev) - { - case SOUND_MIXER_VOLUME: /* Master volume (0-63) */ - levels[whichDev] = mixer_output(right, left, 63, 0x01, 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, 0x03, 0); - break; - case SOUND_MIXER_TREBLE: /* Treble (0-12) */ - levels[whichDev] = mixer_output(right, left, 12, 0x04, 0); - break; - - case SOUND_MIXER_SYNTH: /* Internal synthesizer (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x00, mixer); - break; - case SOUND_MIXER_PCM: /* PAS PCM (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x05, mixer); - break; - case SOUND_MIXER_ALTPCM: /* SB PCM (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x07, mixer); - break; - case SOUND_MIXER_SPEAKER: /* PC speaker (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x06, mixer); - break; - case SOUND_MIXER_LINE: /* External line (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x02, mixer); - break; - case SOUND_MIXER_CD: /* CD (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x03, mixer); - break; - case SOUND_MIXER_MIC: /* External microphone (0-31) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x04, mixer); - break; - case SOUND_MIXER_IMIX: /* Recording monitor (0-31) (Output mixer only) */ - levels[whichDev] = mixer_output(right, left, 31, 0x10 | 0x01, - 0x00); - break; - case SOUND_MIXER_RECLEV: /* Recording level (0-15) */ - levels[whichDev] = mixer_output(right, left, 15, 0x02, 0); - 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; - - for (foo = 0; foo < SOUND_MIXER_NRDEVICES; foo++) - pas_mixer_set(foo, levels[foo]); - - set_mode(0x04 | 0x01); -} - -static int pas_mixer_ioctl(int dev, unsigned int cmd, void __user *arg) -{ - int level,v ; - int __user *p = (int __user *)arg; - - if (cmd == SOUND_MIXER_PRIVATE1) { /* Set loudness bit */ - if (get_user(level, p)) - return -EFAULT; - if (level == -1) /* Return current settings */ - level = (mode_control & 0x04); - else { - mode_control &= ~0x04; - if (level) - mode_control |= 0x04; - set_mode(mode_control); - } - level = !!level; - return put_user(level, p); - } - if (cmd == SOUND_MIXER_PRIVATE2) { /* Set enhance bit */ - if (get_user(level, p)) - return -EFAULT; - if (level == -1) { /* Return current settings */ - if (!(mode_control & 0x03)) - level = 0; - else - level = ((mode_control & 0x03) + 1) * 20; - } else { - int i = 0; - - level &= 0x7f; - if (level) - i = (level / 20) - 1; - mode_control &= ~0x03; - mode_control |= i & 0x03; - set_mode(mode_control); - if (i) - i = (i + 1) * 20; - level = i; - } - return put_user(level, p); - } - if (cmd == SOUND_MIXER_PRIVATE3) { /* Set mute bit */ - if (get_user(level, p)) - return -EFAULT; - if (level == -1) /* Return current settings */ - level = !(pas_read(0x0B8A) & 0x20); - else { - if (level) - pas_write(pas_read(0x0B8A) & (~0x20), 0x0B8A); - else - pas_write(pas_read(0x0B8A) | 0x20, 0x0B8A); - - level = !(pas_read(0x0B8A) & 0x20); - } - return put_user(level, p); - } - if (((cmd >> 8) & 0xff) == 'M') { - if (get_user(v, p)) - return -EFAULT; - if (_SIOC_DIR(cmd) & _SIOC_WRITE) { - v = pas_mixer_set(cmd & 0xff, v); - } else { - switch (cmd & 0xff) { - case SOUND_MIXER_RECSRC: - v = rec_devices; - break; - - case SOUND_MIXER_STEREODEVS: - v = SUPPORTED_MIXER_DEVICES & ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE); - break; - - case SOUND_MIXER_DEVMASK: - v = SUPPORTED_MIXER_DEVICES; - break; - - case SOUND_MIXER_RECMASK: - v = POSSIBLE_RECORDING_DEVICES & SUPPORTED_MIXER_DEVICES; - break; - - case SOUND_MIXER_CAPS: - v = 0; /* No special capabilities */ - break; - - default: - v = levels[cmd & 0xff]; - break; - } - } - return put_user(v, p); - } - return -EINVAL; -} - -static struct mixer_operations pas_mixer_operations = -{ - .owner = THIS_MODULE, - .id = "PAS16", - .name = "Pro Audio Spectrum 16", - .ioctl = pas_mixer_ioctl -}; - -int __init -pas_init_mixer(void) -{ - int d; - - levels = load_mixer_volumes("PAS16_1", default_levels, 1); - - pas_mixer_reset(); - - if ((d = sound_alloc_mixerdev()) != -1) - { - audio_devs[pas_audiodev]->mixer_dev = d; - mixer_devs[d] = &pas_mixer_operations; - } - return 1; -} |