diff options
Diffstat (limited to 'sound/oss/sb_mixer.c')
| -rw-r--r-- | sound/oss/sb_mixer.c | 770 |
1 files changed, 0 insertions, 770 deletions
diff --git a/sound/oss/sb_mixer.c b/sound/oss/sb_mixer.c deleted file mode 100644 index acf7586aeb47..000000000000 --- a/sound/oss/sb_mixer.c +++ /dev/null @@ -1,770 +0,0 @@ -/* - * sound/oss/sb_mixer.c - * - * The low level mixer driver for the Sound Blaster compatible 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) - * Rolf Fokkens (Dec 20 1998) : Moved ESS stuff into sb_ess.[ch] - * Stanislav Voronyi <stas@esc.kharkov.com> : Support for AWE 3DSE device (Jun 7 1999) - */ - -#include <linux/slab.h> - -#include "sound_config.h" - -#define __SB_MIXER_C__ - -#include "sb.h" -#include "sb_mixer.h" - -#include "sb_ess.h" - -#define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD) - -/* Same as SB Pro, unless I find otherwise */ -#define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES - -#define SBPRO_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \ - SOUND_MASK_CD | SOUND_MASK_VOLUME) - -/* SG NX Pro has treble and bass settings on the mixer. The 'speaker' - * channel is the COVOX/DisneySoundSource emulation volume control - * on the mixer. It does NOT control speaker volume. Should have own - * mask eventually? - */ -#define SGNXPRO_MIXER_DEVICES (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \ - SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER ) - -#define SB16_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \ - SOUND_MASK_CD) - -#define SB16_OUTFILTER_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | \ - SOUND_MASK_CD) - -#define SB16_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \ - SOUND_MASK_CD | \ - SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \ - SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | \ - SOUND_MASK_IMIX) - -/* These are the only devices that are working at the moment. Others could - * be added once they are identified and a method is found to control them. - */ -#define ALS007_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | \ - SOUND_MASK_PCM | SOUND_MASK_MIC | \ - SOUND_MASK_CD | \ - SOUND_MASK_VOLUME) - -static mixer_tab sbpro_mix = { -MIX_ENT(SOUND_MIXER_VOLUME, 0x22, 7, 4, 0x22, 3, 4), -MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_SYNTH, 0x26, 7, 4, 0x26, 3, 4), -MIX_ENT(SOUND_MIXER_PCM, 0x04, 7, 4, 0x04, 3, 4), -MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_LINE, 0x2e, 7, 4, 0x2e, 3, 4), -MIX_ENT(SOUND_MIXER_MIC, 0x0a, 2, 3, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_CD, 0x28, 7, 4, 0x28, 3, 4), -MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0) -}; - -static mixer_tab sb16_mix = { -MIX_ENT(SOUND_MIXER_VOLUME, 0x30, 7, 5, 0x31, 7, 5), -MIX_ENT(SOUND_MIXER_BASS, 0x46, 7, 4, 0x47, 7, 4), -MIX_ENT(SOUND_MIXER_TREBLE, 0x44, 7, 4, 0x45, 7, 4), -MIX_ENT(SOUND_MIXER_SYNTH, 0x34, 7, 5, 0x35, 7, 5), -MIX_ENT(SOUND_MIXER_PCM, 0x32, 7, 5, 0x33, 7, 5), -MIX_ENT(SOUND_MIXER_SPEAKER, 0x3b, 7, 2, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_LINE, 0x38, 7, 5, 0x39, 7, 5), -MIX_ENT(SOUND_MIXER_MIC, 0x3a, 7, 5, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_CD, 0x36, 7, 5, 0x37, 7, 5), -MIX_ENT(SOUND_MIXER_IMIX, 0x3c, 0, 1, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_RECLEV, 0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */ -MIX_ENT(SOUND_MIXER_IGAIN, 0x3f, 7, 2, 0x40, 7, 2), -MIX_ENT(SOUND_MIXER_OGAIN, 0x41, 7, 2, 0x42, 7, 2) -}; - -static mixer_tab als007_mix = -{ -MIX_ENT(SOUND_MIXER_VOLUME, 0x62, 7, 4, 0x62, 3, 4), -MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_SYNTH, 0x66, 7, 4, 0x66, 3, 4), -MIX_ENT(SOUND_MIXER_PCM, 0x64, 7, 4, 0x64, 3, 4), -MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_LINE, 0x6e, 7, 4, 0x6e, 3, 4), -MIX_ENT(SOUND_MIXER_MIC, 0x6a, 2, 3, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_CD, 0x68, 7, 4, 0x68, 3, 4), -MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */ -MIX_ENT(SOUND_MIXER_IGAIN, 0x00, 0, 0, 0x00, 0, 0), -MIX_ENT(SOUND_MIXER_OGAIN, 0x00, 0, 0, 0x00, 0, 0) -}; - - -/* SM_GAMES Master volume is lower and PCM & FM volumes - higher than with SB Pro. This improves the - sound quality */ - -static int smg_default_levels[32] = -{ - 0x2020, /* Master Volume */ - 0x4b4b, /* Bass */ - 0x4b4b, /* Treble */ - 0x6464, /* FM */ - 0x6464, /* PCM */ - 0x4b4b, /* PC Speaker */ - 0x4b4b, /* Ext Line */ - 0x0000, /* Mic */ - 0x4b4b, /* CD */ - 0x4b4b, /* Recording monitor */ - 0x4b4b, /* SB PCM */ - 0x4b4b, /* Recording level */ - 0x4b4b, /* Input gain */ - 0x4b4b, /* Output gain */ - 0x4040, /* Line1 */ - 0x4040, /* Line2 */ - 0x1515 /* Line3 */ -}; - -static int sb_default_levels[32] = -{ - 0x5a5a, /* Master Volume */ - 0x4b4b, /* Bass */ - 0x4b4b, /* Treble */ - 0x4b4b, /* FM */ - 0x4b4b, /* PCM */ - 0x4b4b, /* PC Speaker */ - 0x4b4b, /* Ext Line */ - 0x1010, /* Mic */ - 0x4b4b, /* CD */ - 0x0000, /* Recording monitor */ - 0x4b4b, /* SB PCM */ - 0x4b4b, /* Recording level */ - 0x4b4b, /* Input gain */ - 0x4b4b, /* Output gain */ - 0x4040, /* Line1 */ - 0x4040, /* Line2 */ - 0x1515 /* Line3 */ -}; - -static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] = -{ - 0x00, /* SOUND_MIXER_VOLUME */ - 0x00, /* SOUND_MIXER_BASS */ - 0x00, /* SOUND_MIXER_TREBLE */ - 0x40, /* SOUND_MIXER_SYNTH */ - 0x00, /* SOUND_MIXER_PCM */ - 0x00, /* SOUND_MIXER_SPEAKER */ - 0x10, /* SOUND_MIXER_LINE */ - 0x01, /* SOUND_MIXER_MIC */ - 0x04, /* SOUND_MIXER_CD */ - 0x00, /* SOUND_MIXER_IMIX */ - 0x00, /* SOUND_MIXER_ALTPCM */ - 0x00, /* SOUND_MIXER_RECLEV */ - 0x00, /* SOUND_MIXER_IGAIN */ - 0x00 /* SOUND_MIXER_OGAIN */ -}; - -static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] = -{ - 0x00, /* SOUND_MIXER_VOLUME */ - 0x00, /* SOUND_MIXER_BASS */ - 0x00, /* SOUND_MIXER_TREBLE */ - 0x20, /* SOUND_MIXER_SYNTH */ - 0x00, /* SOUND_MIXER_PCM */ - 0x00, /* SOUND_MIXER_SPEAKER */ - 0x08, /* SOUND_MIXER_LINE */ - 0x01, /* SOUND_MIXER_MIC */ - 0x02, /* SOUND_MIXER_CD */ - 0x00, /* SOUND_MIXER_IMIX */ - 0x00, /* SOUND_MIXER_ALTPCM */ - 0x00, /* SOUND_MIXER_RECLEV */ - 0x00, /* SOUND_MIXER_IGAIN */ - 0x00 /* SOUND_MIXER_OGAIN */ -}; - -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 int sbmixnum = 1; - -static void sb_mixer_reset(sb_devc * devc); - -void sb_mixer_set_stereo(sb_devc * devc, int mode) -{ - sb_chgmixer(devc, OUT_FILTER, STEREO_DAC, (mode ? STEREO_DAC : MONO_DAC)); -} - -static int detect_mixer(sb_devc * devc) -{ - /* Just trust the mixer is there */ - return 1; -} - -static void oss_change_bits(sb_devc *devc, unsigned char *regval, int dev, int chn, int newval) -{ - unsigned char mask; - int shift; - - mask = (1 << (*devc->iomap)[dev][chn].nbits) - 1; - newval = (int) ((newval * mask) + 50) / 100; /* Scale */ - - shift = (*devc->iomap)[dev][chn].bitoffs - (*devc->iomap)[dev][LEFT_CHN].nbits + 1; - - *regval &= ~(mask << shift); /* Mask out previous value */ - *regval |= (newval & mask) << shift; /* Set the new value */ -} - -static int sb_mixer_get(sb_devc * devc, int dev) -{ - if (!((1 << dev) & devc->supported_devices)) - return -EINVAL; - return devc->levels[dev]; -} - -void smw_mixer_init(sb_devc * devc) -{ - int i; - - sb_setmixer(devc, 0x00, 0x18); /* Mute unused (Telephone) line */ - sb_setmixer(devc, 0x10, 0x38); /* Config register 2 */ - - devc->supported_devices = 0; - for (i = 0; i < sizeof(smw_mix_regs); i++) - if (smw_mix_regs[i] != 0) - devc->supported_devices |= (1 << i); - - devc->supported_rec_devices = devc->supported_devices & - ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | SOUND_MASK_VOLUME); - sb_mixer_reset(devc); -} - -int sb_common_mixer_set(sb_devc * devc, int dev, int left, int right) -{ - int regoffs; - unsigned char val; - - if ((dev < 0) || (dev >= devc->iomap_sz)) - return -EINVAL; - - regoffs = (*devc->iomap)[dev][LEFT_CHN].regno; - - if (regoffs == 0) - return -EINVAL; - - val = sb_getmixer(devc, regoffs); - oss_change_bits(devc, &val, dev, LEFT_CHN, left); - - if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs) /* - * Change register - */ - { - sb_setmixer(devc, regoffs, val); /* - * Save the old one - */ - regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno; - - if (regoffs == 0) - return left | (left << 8); /* - * Just left channel present - */ - - val = sb_getmixer(devc, regoffs); /* - * Read the new one - */ - } - oss_change_bits(devc, &val, dev, RIGHT_CHN, right); - - sb_setmixer(devc, regoffs, val); - - return left | (right << 8); -} - -static int smw_mixer_set(sb_devc * devc, int dev, int left, int right) -{ - int reg, val; - - switch (dev) - { - case SOUND_MIXER_VOLUME: - sb_setmixer(devc, 0x0b, 96 - (96 * left / 100)); /* 96=mute, 0=max */ - sb_setmixer(devc, 0x0c, 96 - (96 * right / 100)); - break; - - case SOUND_MIXER_BASS: - case SOUND_MIXER_TREBLE: - devc->levels[dev] = left | (right << 8); - /* Set left bass and treble values */ - val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4; - val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f; - sb_setmixer(devc, 0x0d, val); - - /* Set right bass and treble values */ - val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4; - val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f; - sb_setmixer(devc, 0x0e, val); - - break; - - default: - /* bounds check */ - if (dev < 0 || dev >= ARRAY_SIZE(smw_mix_regs)) - return -EINVAL; - reg = smw_mix_regs[dev]; - if (reg == 0) - return -EINVAL; - sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20); /* 24=mute, 0=max */ - sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40); - } - - devc->levels[dev] = left | (right << 8); - return left | (right << 8); -} - -static int sb_mixer_set(sb_devc * devc, int dev, int value) -{ - int left = value & 0x000000ff; - int right = (value & 0x0000ff00) >> 8; - int retval; - - if (left > 100) - left = 100; - if (right > 100) - right = 100; - - if ((dev < 0) || (dev > 31)) - return -EINVAL; - - if (!(devc->supported_devices & (1 << dev))) /* - * Not supported - */ - return -EINVAL; - - /* Differentiate depending on the chipsets */ - switch (devc->model) { - case MDL_SMW: - retval = smw_mixer_set(devc, dev, left, right); - break; - case MDL_ESS: - retval = ess_mixer_set(devc, dev, left, right); - break; - default: - retval = sb_common_mixer_set(devc, dev, left, right); - } - if (retval >= 0) devc->levels[dev] = retval; - - return retval; -} - -/* - * set_recsrc doesn't apply to ES188x - */ -static void set_recsrc(sb_devc * devc, int src) -{ - sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7)); -} - -static int set_recmask(sb_devc * devc, int mask) -{ - int devmask, i; - unsigned char regimageL, regimageR; - - devmask = mask & devc->supported_rec_devices; - - switch (devc->model) - { - case MDL_SBPRO: - case MDL_ESS: - case MDL_JAZZ: - case MDL_SMW: - if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) { - break; - } - if (devmask != SOUND_MASK_MIC && - devmask != SOUND_MASK_LINE && - devmask != SOUND_MASK_CD) - { - /* - * More than one device selected. Drop the - * previous selection - */ - devmask &= ~devc->recmask; - } - if (devmask != SOUND_MASK_MIC && - devmask != SOUND_MASK_LINE && - devmask != SOUND_MASK_CD) - { - /* - * More than one device selected. Default to - * mic - */ - devmask = SOUND_MASK_MIC; - } - if (devmask ^ devc->recmask) /* - * Input source changed - */ - { - switch (devmask) - { - case SOUND_MASK_MIC: - set_recsrc(devc, SRC__MIC); - break; - - case SOUND_MASK_LINE: - set_recsrc(devc, SRC__LINE); - break; - - case SOUND_MASK_CD: - set_recsrc(devc, SRC__CD); - break; - - default: - set_recsrc(devc, SRC__MIC); - } - } - break; - - case MDL_SB16: - if (!devmask) - devmask = SOUND_MASK_MIC; - - if (devc->submodel == SUBMDL_ALS007) - { - switch (devmask) - { - case SOUND_MASK_LINE: - sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE); - break; - case SOUND_MASK_CD: - sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD); - break; - case SOUND_MASK_SYNTH: - sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH); - break; - default: /* Also takes care of SOUND_MASK_MIC case */ - sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC); - break; - } - } - else - { - 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 (devc, SB16_IMASK_L, regimageL); - sb_setmixer (devc, SB16_IMASK_R, regimageR); - } - } - break; - } - devc->recmask = devmask; - return devc->recmask; -} - -static int set_outmask(sb_devc * devc, int mask) -{ - int devmask, i; - unsigned char regimage; - - devmask = mask & devc->supported_out_devices; - - switch (devc->model) - { - case MDL_SB16: - if (devc->submodel == SUBMDL_ALS007) - break; - else - { - regimage = 0; - for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) - { - if ((1 << i) & devmask) - { - regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]); - } - sb_setmixer (devc, SB16_OMASK, regimage); - } - } - break; - default: - break; - } - - devc->outmask = devmask; - return devc->outmask; -} - -static int sb_mixer_ioctl(int dev, unsigned int cmd, void __user *arg) -{ - sb_devc *devc = mixer_devs[dev]->devc; - int val, ret; - int __user *p = arg; - - /* - * Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1). - * Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1) - * or mode==2 put 3DSE state to mode. - */ - if (devc->model == MDL_SB16) { - if (cmd == SOUND_MIXER_AGC) - { - if (get_user(val, p)) - return -EFAULT; - sb_setmixer(devc, 0x43, (~val) & 0x01); - return 0; - } - if (cmd == SOUND_MIXER_3DSE) - { - /* I put here 15, but I don't know the exact version. - At least my 4.13 havn't 3DSE, 4.16 has it. */ - if (devc->minor < 15) - return -EINVAL; - if (get_user(val, p)) - return -EFAULT; - if (val == 0 || val == 1) - sb_chgmixer(devc, AWE_3DSE, 0x01, val); - else if (val == 2) - { - ret = sb_getmixer(devc, AWE_3DSE)&0x01; - return put_user(ret, p); - } - else - return -EINVAL; - return 0; - } - } - if (((cmd >> 8) & 0xff) == 'M') - { - if (_SIOC_DIR(cmd) & _SIOC_WRITE) - { - if (get_user(val, p)) - return -EFAULT; - switch (cmd & 0xff) - { - case SOUND_MIXER_RECSRC: - ret = set_recmask(devc, val); - break; - - case SOUND_MIXER_OUTSRC: - ret = set_outmask(devc, val); - break; - - default: - ret = sb_mixer_set(devc, cmd & 0xff, val); - } - } - else switch (cmd & 0xff) - { - case SOUND_MIXER_RECSRC: - ret = devc->recmask; - break; - - case SOUND_MIXER_OUTSRC: - ret = devc->outmask; - break; - - case SOUND_MIXER_DEVMASK: - ret = devc->supported_devices; - break; - - case SOUND_MIXER_STEREODEVS: - ret = devc->supported_devices; - /* The ESS seems to have stereo mic controls */ - if (devc->model == MDL_ESS) - ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX); - else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW) - ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX); - break; - - case SOUND_MIXER_RECMASK: - ret = devc->supported_rec_devices; - break; - - case SOUND_MIXER_OUTMASK: - ret = devc->supported_out_devices; - break; - - case SOUND_MIXER_CAPS: - ret = devc->mixer_caps; - break; - - default: - ret = sb_mixer_get(devc, cmd & 0xff); - break; - } - return put_user(ret, p); - } else - return -EINVAL; -} - -static struct mixer_operations sb_mixer_operations = -{ - .owner = THIS_MODULE, - .id = "SB", - .name = "Sound Blaster", - .ioctl = sb_mixer_ioctl -}; - -static struct mixer_operations als007_mixer_operations = -{ - .owner = THIS_MODULE, - .id = "ALS007", - .name = "Avance ALS-007", - .ioctl = sb_mixer_ioctl -}; - -static void sb_mixer_reset(sb_devc * devc) -{ - char name[32]; - int i; - - sprintf(name, "SB_%d", devc->sbmixnum); - - if (devc->sbmo.sm_games) - devc->levels = load_mixer_volumes(name, smg_default_levels, 1); - else - devc->levels = load_mixer_volumes(name, sb_default_levels, 1); - - for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) - sb_mixer_set(devc, i, devc->levels[i]); - - if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) { - set_recmask(devc, SOUND_MASK_MIC); - } -} - -int sb_mixer_init(sb_devc * devc, struct module *owner) -{ - int mixer_type = 0; - int m; - - devc->sbmixnum = sbmixnum++; - devc->levels = NULL; - - sb_setmixer(devc, 0x00, 0); /* Reset mixer */ - - if (!(mixer_type = detect_mixer(devc))) - return 0; /* No mixer. Why? */ - - switch (devc->model) - { - case MDL_ESSPCI: - case MDL_YMPCI: - case MDL_SBPRO: - case MDL_AZTECH: - case MDL_JAZZ: - devc->mixer_caps = SOUND_CAP_EXCL_INPUT; - devc->supported_devices = SBPRO_MIXER_DEVICES; - devc->supported_rec_devices = SBPRO_RECORDING_DEVICES; - devc->iomap = &sbpro_mix; - devc->iomap_sz = ARRAY_SIZE(sbpro_mix); - break; - - case MDL_ESS: - ess_mixer_init (devc); - break; - - case MDL_SMW: - devc->mixer_caps = SOUND_CAP_EXCL_INPUT; - devc->supported_devices = 0; - devc->supported_rec_devices = 0; - devc->iomap = &sbpro_mix; - devc->iomap_sz = ARRAY_SIZE(sbpro_mix); - smw_mixer_init(devc); - break; - - case MDL_SB16: - devc->mixer_caps = 0; - devc->supported_rec_devices = SB16_RECORDING_DEVICES; - devc->supported_out_devices = SB16_OUTFILTER_DEVICES; - if (devc->submodel != SUBMDL_ALS007) - { - devc->supported_devices = SB16_MIXER_DEVICES; - devc->iomap = &sb16_mix; - devc->iomap_sz = ARRAY_SIZE(sb16_mix); - } - else - { - devc->supported_devices = ALS007_MIXER_DEVICES; - devc->iomap = &als007_mix; - devc->iomap_sz = ARRAY_SIZE(als007_mix); - } - break; - - default: - printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model); - return 0; - } - - m = sound_alloc_mixerdev(); - if (m == -1) - return 0; - - mixer_devs[m] = kmalloc(sizeof(struct mixer_operations), GFP_KERNEL); - if (mixer_devs[m] == NULL) - { - printk(KERN_ERR "sb_mixer: Can't allocate memory\n"); - sound_unload_mixerdev(m); - return 0; - } - - if (devc->submodel != SUBMDL_ALS007) - memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations)); - else - memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations)); - - mixer_devs[m]->devc = devc; - - if (owner) - mixer_devs[m]->owner = owner; - - devc->my_mixerdev = m; - sb_mixer_reset(devc); - return 1; -} - -void sb_mixer_unload(sb_devc *devc) -{ - if (devc->my_mixerdev == -1) - return; - - kfree(mixer_devs[devc->my_mixerdev]); - sound_unload_mixerdev(devc->my_mixerdev); - sbmixnum--; -} |