Linux-2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

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 000000000000..f56898c3981e
--- /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--;
+}