diff options
Diffstat (limited to 'sys/i386/isa/sound/sb_mixer.c')
| -rw-r--r-- | sys/i386/isa/sound/sb_mixer.c | 529 |
1 files changed, 0 insertions, 529 deletions
diff --git a/sys/i386/isa/sound/sb_mixer.c b/sys/i386/isa/sound/sb_mixer.c deleted file mode 100644 index 14db176..0000000 --- a/sys/i386/isa/sound/sb_mixer.c +++ /dev/null @@ -1,529 +0,0 @@ -/* - * sound/sb_mixer.c - * - * The low level mixer driver for the SoundBlaster Pro and SB16 cards. - * - * Copyright by Hannu Savolainen 1994 - * - * 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. - * - * Modified: Hunyue Yau Jan 6 1994 Added code to support the Sound Galaxy - * NX Pro mixer. - * - */ - -#include <i386/isa/sound/sound_config.h> - -#if (NSB > 0) && defined(CONFIG_SBPRO) -#define __SB_MIXER_C__ - -#include <i386/isa/sound/sbcard.h> -#include <i386/isa/sound/sb_mixer.h> -#undef SB_TEST_IRQ - -extern int sbc_base; -extern int Jazz16_detected; -extern sound_os_info *sb_osp; - -static int mixer_initialized = 0; - -static int supported_rec_devices; -static int supported_devices; -static int recmask = 0; -static int mixer_model; -static int mixer_caps; -static mixer_tab *iomap; - -void -sb_setmixer(u_int port, u_int value) -{ - u_long flags; - - flags = splhigh(); /* XXX ouch... */ - outb(MIXER_ADDR, (u_char) (port & 0xff)); /* Select register */ - DELAY(10); - outb(MIXER_DATA, (u_char) (value & 0xff)); - DELAY(10); - splx(flags); -} - -int -sb_getmixer(u_int port) -{ - int val; - u_long flags; - - flags = splhigh(); - outb(MIXER_ADDR, (u_char) (port & 0xff)); /* Select register */ - DELAY(10); - val = inb(MIXER_DATA); - DELAY(10); - splx(flags); - - return val; -} - -void -sb_mixer_set_stereo(int mode) -{ - if (!mixer_initialized) - return; - - sb_setmixer(OUT_FILTER, ((sb_getmixer(OUT_FILTER) & ~STEREO_DAC) - | (mode ? STEREO_DAC : MONO_DAC))); -} - -/* - * Returns: - * 0 No mixer detected. - * 1 Only a plain Sound Blaster Pro style mixer detected. - * 2 The Sound Galaxy NX Pro mixer detected. - */ -static int -detect_mixer(void) -{ - -#ifdef __SGNXPRO__ - int oldbass, oldtreble; - extern int sbc_major; -#endif - int retcode = 1; - - /* - * Detect the mixer by changing parameters of two volume channels. If - * the values read back match with the values written, the mixer is - * there (is it?) - */ - sb_setmixer(FM_VOL, 0xff); - sb_setmixer(VOC_VOL, 0x33); - - if (sb_getmixer(FM_VOL) != 0xff) - return 0; /* No match */ - if (sb_getmixer(VOC_VOL) != 0x33) - return 0; - -#ifdef __SGNXPRO__ - /* - * Attempt to detect the SG NX Pro by check for valid bass/treble - * registers. - */ - oldbass = sb_getmixer(BASS_LVL); - oldtreble = sb_getmixer(TREBLE_LVL); - - sb_setmixer(BASS_LVL, 0xaa); - sb_setmixer(TREBLE_LVL, 0x55); - - if ((sb_getmixer(BASS_LVL) != 0xaa) || - (sb_getmixer(TREBLE_LVL) != 0x55)) { - retcode = 1; /* 1 == Only SB Pro detected */ - } else - retcode = 2; /* 2 == SG NX Pro detected */ - /* - * Restore register in either case since SG NX Pro has EEPROM with - * 'preferred' values stored. - */ - sb_setmixer(BASS_LVL, oldbass); - sb_setmixer(TREBLE_LVL, oldtreble); - - /* - * If the SB version is 3.X (SB Pro), assume we have a SG NX Pro 16. - * In this case it's good idea to disable the Disney Sound Source - * compatibility mode. It's useless and just causes noise every time - * the LPT-port is accessed. - * - * Also place the card into WSS mode. - */ - if (sbc_major == 3) { - outb(sbc_base + 0x1c, 0x01); - outb(sbc_base + 0x1a, 0x00); - } -#endif - return retcode; -} - -static void -change_bits(u_char *regval, int dev, int chn, int newval) -{ - u_char mask; - int shift; - - mask = (1 << (*iomap)[dev][chn].nbits) - 1; - newval = (int) ((newval * mask) + 50) / 100; /* Scale it */ - - shift = (*iomap)[dev][chn].bitoffs - (*iomap)[dev][LEFT_CHN].nbits + 1; - - *regval &= ~(mask << shift); /* Filter out the previous value */ - *regval |= (newval & mask) << shift; /* Set the new value */ -} - -static int -sb_mixer_get(int dev) -{ - if (!((1 << dev) & supported_devices)) - return -(EINVAL); - - return levels[dev]; -} - -#ifdef JAZZ16 -static char smw_mix_regs[] =/* Left mixer registers */ -{ - 0x0b, /* SOUND_MIXER_VOLUME */ - 0x0d, /* SOUND_MIXER_BASS */ - 0x0d, /* SOUND_MIXER_TREBLE */ - 0x05, /* SOUND_MIXER_SYNTH */ - 0x09, /* SOUND_MIXER_PCM */ - 0x00, /* SOUND_MIXER_SPEAKER */ - 0x03, /* SOUND_MIXER_LINE */ - 0x01, /* SOUND_MIXER_MIC */ - 0x07, /* SOUND_MIXER_CD */ - 0x00, /* SOUND_MIXER_IMIX */ - 0x00, /* SOUND_MIXER_ALTPCM */ - 0x00, /* SOUND_MIXER_RECLEV */ - 0x00, /* SOUND_MIXER_IGAIN */ - 0x00, /* SOUND_MIXER_OGAIN */ - 0x00, /* SOUND_MIXER_LINE1 */ - 0x00, /* SOUND_MIXER_LINE2 */ - 0x00 /* SOUND_MIXER_LINE3 */ -}; - -static void -smw_mixer_init(void) -{ - int i; - - sb_setmixer(0x00, 0x18);/* Mute unused (Telephone) line */ - sb_setmixer(0x10, 0x38);/* Config register 2 */ - - supported_devices = 0; - for (i = 0; i < sizeof(smw_mix_regs); i++) - if (smw_mix_regs[i] != 0) - supported_devices |= (1 << i); - - supported_rec_devices = supported_devices & - ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | - SOUND_MASK_VOLUME); -} - -static int -smw_mixer_set(int dev, int value) -{ - int left = value & 0x000000ff; - int right = (value & 0x0000ff00) >> 8; - int reg, val; - - if (left > 100) - left = 100; - if (right > 100) - right = 100; - - if (dev > 31) - return -(EINVAL); - - if (!(supported_devices & (1 << dev))) /* Not supported */ - return -(EINVAL); - - switch (dev) { - case SOUND_MIXER_VOLUME: - sb_setmixer(0x0b, 96 - (96 * left / 100)); /* 96=mute, 0=max */ - sb_setmixer(0x0c, 96 - (96 * right / 100)); - break; - - case SOUND_MIXER_BASS: - case SOUND_MIXER_TREBLE: - levels[dev] = left | (right << 8); - - /* Set left bass and treble values */ - val = ((levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / 100) << 4; - val |= ((levels[SOUND_MIXER_BASS] & 0xff) * 16 / 100) & 0x0f; - sb_setmixer(0x0d, val); - - /* Set right bass and treble values */ - val = (((levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / 100) << 4; - val |= (((levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / 100) & 0x0f; - sb_setmixer(0x0e, val); - break; - - default: - reg = smw_mix_regs[dev]; - if (reg == 0) - return -(EINVAL); - sb_setmixer(reg, (24 - (24 * left / 100)) | 0x20); /* 24=mute, 0=max */ - sb_setmixer(reg + 1, (24 - (24 * right / 100)) | 0x40); - } - - levels[dev] = left | (right << 8); - return left | (right << 8); -} - -#endif - -static int -sb_mixer_set(int dev, int value) -{ - int left = value & 0x000000ff; - int right = (value & 0x0000ff00) >> 8; - - int regoffs; - u_char val; - -#ifdef JAZZ16 - if (Jazz16_detected == 2) - return smw_mixer_set(dev, value); -#endif - - if (left > 100) - left = 100; - if (right > 100) - right = 100; - - if (dev > 31) - return -(EINVAL); - - if (!(supported_devices & (1 << dev))) /* Not supported */ - return -(EINVAL); - - regoffs = (*iomap)[dev][LEFT_CHN].regno; - - if (regoffs == 0) - return -(EINVAL); - - val = sb_getmixer(regoffs); - change_bits(&val, dev, LEFT_CHN, left); - - levels[dev] = left | (left << 8); - - if ((*iomap)[dev][RIGHT_CHN].regno != regoffs) { /* Change register */ - sb_setmixer(regoffs, val); /* Save the old one */ - regoffs = (*iomap)[dev][RIGHT_CHN].regno; - - if (regoffs == 0) - return left | (left << 8); /* Just left channel present */ - - val = sb_getmixer(regoffs); /* Read the new one */ - } - change_bits(&val, dev, RIGHT_CHN, right); - - sb_setmixer(regoffs, val); - - levels[dev] = left | (right << 8); - return left | (right << 8); -} - -static void -set_recsrc(int src) -{ - sb_setmixer(RECORD_SRC, (sb_getmixer(RECORD_SRC) & ~7) | (src & 0x7)); -} - -static int -set_recmask(int mask) -{ - int devmask, i; - u_char regimageL, regimageR; - - devmask = mask & supported_rec_devices; - - switch (mixer_model) { - case 3: - - if (devmask != SOUND_MASK_MIC && devmask != SOUND_MASK_LINE && - devmask != SOUND_MASK_CD) { - /* - * More than one devices selected. Drop the previous - * selection - */ - devmask &= ~recmask; - } - if (devmask != SOUND_MASK_MIC && devmask != SOUND_MASK_LINE && - devmask != SOUND_MASK_CD) { - /* More than one devices selected. Default to mic */ - devmask = SOUND_MASK_MIC; - } - if (devmask ^ recmask) { /* Input source changed */ - switch (devmask) { - - case SOUND_MASK_MIC: - set_recsrc(SRC_MIC); - break; - - case SOUND_MASK_LINE: - set_recsrc(SRC_LINE); - break; - - case SOUND_MASK_CD: - set_recsrc(SRC_CD); - break; - - default: - set_recsrc(SRC_MIC); - } - } - break; - - case 4: - if (!devmask) - devmask = SOUND_MASK_MIC; - - regimageL = regimageR = 0; - for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) - if ((1 << i) & devmask) { - regimageL |= sb16_recmasks_L[i]; - regimageR |= sb16_recmasks_R[i]; - } - sb_setmixer(SB16_IMASK_L, regimageL); - sb_setmixer(SB16_IMASK_R, regimageR); - break; - } - - recmask = devmask; - return recmask; -} - -static int -sb_mixer_ioctl(int dev, u_int cmd, ioctl_arg arg) -{ - if (((cmd >> 8) & 0xff) == 'M') { - if (cmd & IOC_IN) - switch (cmd & 0xff) { - case SOUND_MIXER_RECSRC: - return *(int *) arg = set_recmask((*(int *) arg)); - break; - - default: - return *(int *) arg = sb_mixer_set(cmd & 0xff, (*(int *) arg)); - } - else - switch (cmd & 0xff) { /* Return parameters */ - - case SOUND_MIXER_RECSRC: - return *(int *) arg = recmask; - break; - - case SOUND_MIXER_DEVMASK: - return *(int *) arg = supported_devices; - break; - - case SOUND_MIXER_STEREODEVS: - if (Jazz16_detected) - return *(int *) arg = supported_devices; - else - return *(int *) arg = supported_devices & ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER); - break; - - case SOUND_MIXER_RECMASK: - return *(int *) arg = supported_rec_devices; - break; - - case SOUND_MIXER_CAPS: - return *(int *) arg = mixer_caps; - break; - - default: - return *(int *) arg = sb_mixer_get(cmd & 0xff); - } - } else - return -(EINVAL); -} - -static struct mixer_operations sb_mixer_operations = -{ - "SoundBlaster", - sb_mixer_ioctl -}; - -static void -sb_mixer_reset(void) -{ - int i; - - for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) - sb_mixer_set(i, levels[i]); - set_recmask(SOUND_MASK_MIC); -} - -/* - * Returns a code depending on whether a SG NX Pro was detected. 1 == Plain - * SB Pro 2 == SG NX Pro detected. 3 == SB16 - * - * Used to update message. - */ -int -sb_mixer_init(int major_model) -{ - int mixer_type = 0; - - sb_setmixer(0x00, 0); /* Reset mixer */ - - if (!(mixer_type = detect_mixer())) - return 0; /* No mixer. Why? */ - - mixer_initialized = 1; - mixer_model = major_model; - - switch (major_model) { - case 3: - mixer_caps = SOUND_CAP_EXCL_INPUT; - -#ifdef JAZZ16 - if (Jazz16_detected == 2) { /* SM Wave */ - supported_devices = 0; - supported_rec_devices = 0; - iomap = &sbpro_mix; - smw_mixer_init(); - mixer_type = 1; - } else -#endif -#ifdef __SGNXPRO__ - if (mixer_type == 2) { /* A SGNXPRO was detected */ - supported_devices = SGNXPRO_MIXER_DEVICES; - supported_rec_devices = SGNXPRO_RECORDING_DEVICES; - iomap = &sgnxpro_mix; - } else -#endif - { - supported_devices = SBPRO_MIXER_DEVICES; - supported_rec_devices = SBPRO_RECORDING_DEVICES; - iomap = &sbpro_mix; - mixer_type = 1; - } - break; - - case 4: - mixer_caps = 0; - supported_devices = SB16_MIXER_DEVICES; - supported_rec_devices = SB16_RECORDING_DEVICES; - iomap = &sb16_mix; - mixer_type = 3; - break; - - default: - printf("SB Warning: Unsupported mixer type\n"); - return 0; - } - - if (num_mixers < MAX_MIXER_DEV) - mixer_devs[num_mixers++] = &sb_mixer_operations; - sb_mixer_reset(); - return mixer_type; -} - -#endif |
