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-rw-r--r--sound/oss/sb_mixer.c768
1 files changed, 768 insertions, 0 deletions
diff --git a/sound/oss/sb_mixer.c b/sound/oss/sb_mixer.c
new file mode 100644
index 00000000000..f56898c3981
--- /dev/null
+++ b/sound/oss/sb_mixer.c
@@ -0,0 +1,768 @@
+/*
+ * sound/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 "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 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;
+
+ regoffs = (*devc->iomap)[dev][LEFT_CHN].regno;
+
+ if (regoffs == 0)
+ return -EINVAL;
+
+ if ((dev < 0) || (dev >= devc->iomap_sz))
+ return -EINVAL;
+
+ val = sb_getmixer(devc, regoffs);
+ 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
+ */
+ }
+ 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] = (struct mixer_operations *)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--;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 05:40:52 +0000