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emufx.c

/*
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *                   Creative Labs, Inc.
 *  Routines for effect processor FX8010
 *
 *  BUGS:
 *    --
 *
 *  TODO:
 *    --
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <sound/core.h>
#include <sound/emu10k1.h>

#if 0       /* for testing purposes - digital out -> capture */
#define EMU10K1_CAPTURE_DIGITAL_OUT
#endif
#if 0       /* for testing purposes - set S/PDIF to AC3 output */
#define EMU10K1_SET_AC3_IEC958
#endif
#if 0       /* for testing purposes - feed the front signal to Center/LFE outputs */
#define EMU10K1_CENTER_LFE_FROM_FRONT
#endif

/*
 *  Tables
 */ 

static char *fxbuses[16] = {
      /* 0x00 */ "PCM Left",
      /* 0x01 */ "PCM Right",
      /* 0x02 */ "PCM Surround Left",
      /* 0x03 */ "PCM Surround Right",
      /* 0x04 */ "MIDI Left",
      /* 0x05 */ "MIDI Right",
      /* 0x06 */ "Center",
      /* 0x07 */ "LFE",
      /* 0x08 */ NULL,
      /* 0x09 */ NULL,
      /* 0x0a */ NULL,
      /* 0x0b */ NULL,
      /* 0x0c */ "MIDI Reverb",
      /* 0x0d */ "MIDI Chorus",
      /* 0x0e */ NULL,
      /* 0x0f */ NULL
};

static char *creative_ins[16] = {
      /* 0x00 */ "AC97 Left",
      /* 0x01 */ "AC97 Right",
      /* 0x02 */ "TTL IEC958 Left",
      /* 0x03 */ "TTL IEC958 Right",
      /* 0x04 */ "Zoom Video Left",
      /* 0x05 */ "Zoom Video Right",
      /* 0x06 */ "Optical IEC958 Left",
      /* 0x07 */ "Optical IEC958 Right",
      /* 0x08 */ "Line/Mic 1 Left",
      /* 0x09 */ "Line/Mic 1 Right",
      /* 0x0a */ "Coaxial IEC958 Left",
      /* 0x0b */ "Coaxial IEC958 Right",
      /* 0x0c */ "Line/Mic 2 Left",
      /* 0x0d */ "Line/Mic 2 Right",
      /* 0x0e */ NULL,
      /* 0x0f */ NULL
};

static char *audigy_ins[16] = {
      /* 0x00 */ "AC97 Left",
      /* 0x01 */ "AC97 Right",
      /* 0x02 */ "Audigy CD Left",
      /* 0x03 */ "Audigy CD Right",
      /* 0x04 */ "Optical IEC958 Left",
      /* 0x05 */ "Optical IEC958 Right",
      /* 0x06 */ NULL,
      /* 0x07 */ NULL,
      /* 0x08 */ "Line/Mic 2 Left",
      /* 0x09 */ "Line/Mic 2 Right",
      /* 0x0a */ "SPDIF Left",
      /* 0x0b */ "SPDIF Right",
      /* 0x0c */ "Aux2 Left",
      /* 0x0d */ "Aux2 Right",
      /* 0x0e */ NULL,
      /* 0x0f */ NULL
};

static char *creative_outs[32] = {
      /* 0x00 */ "AC97 Left",
      /* 0x01 */ "AC97 Right",
      /* 0x02 */ "Optical IEC958 Left",
      /* 0x03 */ "Optical IEC958 Right",
      /* 0x04 */ "Center",
      /* 0x05 */ "LFE",
      /* 0x06 */ "Headphone Left",
      /* 0x07 */ "Headphone Right",
      /* 0x08 */ "Surround Left",
      /* 0x09 */ "Surround Right",
      /* 0x0a */ "PCM Capture Left",
      /* 0x0b */ "PCM Capture Right",
      /* 0x0c */ "MIC Capture",
      /* 0x0d */ "AC97 Surround Left",
      /* 0x0e */ "AC97 Surround Right",
      /* 0x0f */ NULL,
      /* 0x10 */ NULL,
      /* 0x11 */ "Analog Center",
      /* 0x12 */ "Analog LFE",
      /* 0x13 */ NULL,
      /* 0x14 */ NULL,
      /* 0x15 */ NULL,
      /* 0x16 */ NULL,
      /* 0x17 */ NULL,
      /* 0x18 */ NULL,
      /* 0x19 */ NULL,
      /* 0x1a */ NULL,
      /* 0x1b */ NULL,
      /* 0x1c */ NULL,
      /* 0x1d */ NULL,
      /* 0x1e */ NULL,
      /* 0x1f */ NULL,
};

static char *audigy_outs[32] = {
      /* 0x00 */ "Digital Front Left",
      /* 0x01 */ "Digital Front Right",
      /* 0x02 */ "Digital Center",
      /* 0x03 */ "Digital LEF",
      /* 0x04 */ "Headphone Left",
      /* 0x05 */ "Headphone Right",
      /* 0x06 */ "Digital Rear Left",
      /* 0x07 */ "Digital Rear Right",
      /* 0x08 */ "Front Left",
      /* 0x09 */ "Front Right",
      /* 0x0a */ "Center",
      /* 0x0b */ "LFE",
      /* 0x0c */ NULL,
      /* 0x0d */ NULL,
      /* 0x0e */ "Rear Left",
      /* 0x0f */ "Rear Right",
      /* 0x10 */ "AC97 Front Left",
      /* 0x11 */ "AC97 Front Right",
      /* 0x12 */ "ADC Caputre Left",
      /* 0x13 */ "ADC Capture Right",
      /* 0x14 */ NULL,
      /* 0x15 */ NULL,
      /* 0x16 */ NULL,
      /* 0x17 */ NULL,
      /* 0x18 */ NULL,
      /* 0x19 */ NULL,
      /* 0x1a */ NULL,
      /* 0x1b */ NULL,
      /* 0x1c */ NULL,
      /* 0x1d */ NULL,
      /* 0x1e */ NULL,
      /* 0x1f */ NULL,
};

static const u32 bass_table[41][5] = {
      { 0x3e4f844f, 0x84ed4cc3, 0x3cc69927, 0x7b03553a, 0xc4da8486 },
      { 0x3e69a17a, 0x84c280fb, 0x3cd77cd4, 0x7b2f2a6f, 0xc4b08d1d },
      { 0x3e82ff42, 0x849991d5, 0x3ce7466b, 0x7b5917c6, 0xc48863ee },
      { 0x3e9bab3c, 0x847267f0, 0x3cf5ffe8, 0x7b813560, 0xc461f22c },
      { 0x3eb3b275, 0x844ced29, 0x3d03b295, 0x7ba79a1c, 0xc43d223b },
      { 0x3ecb2174, 0x84290c8b, 0x3d106714, 0x7bcc5ba3, 0xc419dfa5 },
      { 0x3ee2044b, 0x8406b244, 0x3d1c2561, 0x7bef8e77, 0xc3f8170f },
      { 0x3ef86698, 0x83e5cb96, 0x3d26f4d8, 0x7c114600, 0xc3d7b625 },
      { 0x3f0e5390, 0x83c646c9, 0x3d30dc39, 0x7c319498, 0xc3b8ab97 },
      { 0x3f23d60b, 0x83a81321, 0x3d39e1af, 0x7c508b9c, 0xc39ae704 },
      { 0x3f38f884, 0x838b20d2, 0x3d420ad2, 0x7c6e3b75, 0xc37e58f1 },
      { 0x3f4dc52c, 0x836f60ef, 0x3d495cab, 0x7c8ab3a6, 0xc362f2be },
      { 0x3f6245e8, 0x8354c565, 0x3d4fdbb8, 0x7ca602d6, 0xc348a69b },
      { 0x3f76845f, 0x833b40ec, 0x3d558bf0, 0x7cc036df, 0xc32f677c },
      { 0x3f8a8a03, 0x8322c6fb, 0x3d5a70c4, 0x7cd95cd7, 0xc317290b },
      { 0x3f9e6014, 0x830b4bc3, 0x3d5e8d25, 0x7cf1811a, 0xc2ffdfa5 },
      { 0x3fb20fae, 0x82f4c420, 0x3d61e37f, 0x7d08af56, 0xc2e9804a },
      { 0x3fc5a1cc, 0x82df2592, 0x3d6475c3, 0x7d1ef294, 0xc2d40096 },
      { 0x3fd91f55, 0x82ca6632, 0x3d664564, 0x7d345541, 0xc2bf56b9 },
      { 0x3fec9120, 0x82b67cac, 0x3d675356, 0x7d48e138, 0xc2ab796e },
      { 0x40000000, 0x82a36037, 0x3d67a012, 0x7d5c9fc9, 0xc2985fee },
      { 0x401374c7, 0x8291088a, 0x3d672b93, 0x7d6f99c3, 0xc28601f2 },
      { 0x4026f857, 0x827f6dd7, 0x3d65f559, 0x7d81d77c, 0xc27457a3 },
      { 0x403a939f, 0x826e88c5, 0x3d63fc63, 0x7d9360d4, 0xc2635996 },
      { 0x404e4faf, 0x825e5266, 0x3d613f32, 0x7da43d42, 0xc25300c6 },
      { 0x406235ba, 0x824ec434, 0x3d5dbbc3, 0x7db473d7, 0xc243468e },
      { 0x40764f1f, 0x823fd80c, 0x3d596f8f, 0x7dc40b44, 0xc23424a2 },
      { 0x408aa576, 0x82318824, 0x3d545787, 0x7dd309e2, 0xc2259509 },
      { 0x409f4296, 0x8223cf0b, 0x3d4e7012, 0x7de175b5, 0xc2179218 },
      { 0x40b430a0, 0x8216a7a1, 0x3d47b505, 0x7def5475, 0xc20a1670 },
      { 0x40c97a0a, 0x820a0d12, 0x3d4021a1, 0x7dfcab8d, 0xc1fd1cf5 },
      { 0x40df29a6, 0x81fdfad6, 0x3d37b08d, 0x7e098028, 0xc1f0a0ca },
      { 0x40f54ab1, 0x81f26ca9, 0x3d2e5bd1, 0x7e15d72b, 0xc1e49d52 },
      { 0x410be8da, 0x81e75e89, 0x3d241cce, 0x7e21b544, 0xc1d90e24 },
      { 0x41231051, 0x81dcccb3, 0x3d18ec37, 0x7e2d1ee6, 0xc1cdef10 },
      { 0x413acdd0, 0x81d2b39e, 0x3d0cc20a, 0x7e38184e, 0xc1c33c13 },
      { 0x41532ea7, 0x81c90ffb, 0x3cff9585, 0x7e42a58b, 0xc1b8f15a },
      { 0x416c40cd, 0x81bfdeb2, 0x3cf15d21, 0x7e4cca7c, 0xc1af0b3f },
      { 0x418612ea, 0x81b71cdc, 0x3ce20e85, 0x7e568ad3, 0xc1a58640 },
      { 0x41a0b465, 0x81aec7c5, 0x3cd19e7c, 0x7e5fea1e, 0xc19c5f03 },
      { 0x41bc3573, 0x81a6dcea, 0x3cc000e9, 0x7e68ebc2, 0xc1939250 }
};

static const u32 treble_table[41][5] = {
      { 0x0125cba9, 0xfed5debd, 0x00599b6c, 0x0d2506da, 0xfa85b354 },
      { 0x0142f67e, 0xfeb03163, 0x0066cd0f, 0x0d14c69d, 0xfa914473 },
      { 0x016328bd, 0xfe860158, 0x0075b7f2, 0x0d03eb27, 0xfa9d32d2 },
      { 0x0186b438, 0xfe56c982, 0x00869234, 0x0cf27048, 0xfaa97fca },
      { 0x01adf358, 0xfe21f5fe, 0x00999842, 0x0ce051c2, 0xfab62ca5 },
      { 0x01d949fa, 0xfde6e287, 0x00af0d8d, 0x0ccd8b4a, 0xfac33aa7 },
      { 0x02092669, 0xfda4d8bf, 0x00c73d4c, 0x0cba1884, 0xfad0ab07 },
      { 0x023e0268, 0xfd5b0e4a, 0x00e27b54, 0x0ca5f509, 0xfade7ef2 },
      { 0x0278645c, 0xfd08a2b0, 0x01012509, 0x0c911c63, 0xfaecb788 },
      { 0x02b8e091, 0xfcac9d1a, 0x0123a262, 0x0c7b8a14, 0xfafb55df },
      { 0x03001a9a, 0xfc45e9ce, 0x014a6709, 0x0c65398f, 0xfb0a5aff },
      { 0x034ec6d7, 0xfbd3576b, 0x0175f397, 0x0c4e2643, 0xfb19c7e4 },
      { 0x03a5ac15, 0xfb5393ee, 0x01a6d6ed, 0x0c364b94, 0xfb299d7c },
      { 0x0405a562, 0xfac52968, 0x01ddafae, 0x0c1da4e2, 0xfb39dca5 },
      { 0x046fa3fe, 0xfa267a66, 0x021b2ddd, 0x0c042d8d, 0xfb4a8631 },
      { 0x04e4b17f, 0xf975be0f, 0x0260149f, 0x0be9e0f2, 0xfb5b9ae0 },
      { 0x0565f220, 0xf8b0fbe5, 0x02ad3c29, 0x0bceba73, 0xfb6d1b60 },
      { 0x05f4a745, 0xf7d60722, 0x030393d4, 0x0bb2b578, 0xfb7f084d },
      { 0x06923236, 0xf6e279bd, 0x03642465, 0x0b95cd75, 0xfb916233 },
      { 0x07401713, 0xf5d3aef9, 0x03d01283, 0x0b77fded, 0xfba42984 },
      { 0x08000000, 0xf4a6bd88, 0x0448a161, 0x0b594278, 0xfbb75e9f },
      { 0x08d3c097, 0xf3587131, 0x04cf35a4, 0x0b3996c9, 0xfbcb01cb },
      { 0x09bd59a2, 0xf1e543f9, 0x05655880, 0x0b18f6b2, 0xfbdf1333 },
      { 0x0abefd0f, 0xf04956ca, 0x060cbb12, 0x0af75e2c, 0xfbf392e8 },
      { 0x0bdb123e, 0xee806984, 0x06c739fe, 0x0ad4c962, 0xfc0880dd },
      { 0x0d143a94, 0xec85d287, 0x0796e150, 0x0ab134b0, 0xfc1ddce5 },
      { 0x0e6d5664, 0xea547598, 0x087df0a0, 0x0a8c9cb6, 0xfc33a6ad },
      { 0x0fe98a2a, 0xe7e6ba35, 0x097edf83, 0x0a66fe5b, 0xfc49ddc2 },
      { 0x118c4421, 0xe536813a, 0x0a9c6248, 0x0a4056d7, 0xfc608185 },
      { 0x1359422e, 0xe23d19eb, 0x0bd96efb, 0x0a18a3bf, 0xfc77912c },
      { 0x1554982b, 0xdef33645, 0x0d3942bd, 0x09efe312, 0xfc8f0bc1 },
      { 0x1782b68a, 0xdb50deb1, 0x0ebf676d, 0x09c6133f, 0xfca6f019 },
      { 0x19e8715d, 0xd74d64fd, 0x106fb999, 0x099b3337, 0xfcbf3cd6 },
      { 0x1c8b07b8, 0xd2df56ab, 0x124e6ec8, 0x096f4274, 0xfcd7f060 },
      { 0x1f702b6d, 0xcdfc6e92, 0x14601c10, 0x0942410b, 0xfcf108e5 },
      { 0x229e0933, 0xc89985cd, 0x16a9bcfa, 0x09142fb5, 0xfd0a8451 },
      { 0x261b5118, 0xc2aa8409, 0x1930bab6, 0x08e50fdc, 0xfd24604d },
      { 0x29ef3f5d, 0xbc224f28, 0x1bfaf396, 0x08b4e3aa, 0xfd3e9a3b },
      { 0x2e21a59b, 0xb4f2ba46, 0x1f0ec2d6, 0x0883ae15, 0xfd592f33 },
      { 0x32baf44b, 0xad0c7429, 0x227308a3, 0x085172eb, 0xfd741bfd },
      { 0x37c4448b, 0xa45ef51d, 0x262f3267, 0x081e36dc, 0xfd8f5d14 }
};

static const u32 db_table[101] = {
      0x00000000, 0x01571f82, 0x01674b41, 0x01783a1b, 0x0189f540,
      0x019c8651, 0x01aff763, 0x01c45306, 0x01d9a446, 0x01eff6b8,
      0x0207567a, 0x021fd03d, 0x0239714c, 0x02544792, 0x027061a1,
      0x028dcebb, 0x02ac9edc, 0x02cce2bf, 0x02eeabe8, 0x03120cb0,
      0x0337184e, 0x035de2df, 0x03868173, 0x03b10a18, 0x03dd93e9,
      0x040c3713, 0x043d0cea, 0x04702ff3, 0x04a5bbf2, 0x04ddcdfb,
      0x0518847f, 0x0555ff62, 0x05966005, 0x05d9c95d, 0x06206005,
      0x066a4a52, 0x06b7b067, 0x0708bc4c, 0x075d9a01, 0x07b6779d,
      0x08138561, 0x0874f5d5, 0x08dafde1, 0x0945d4ed, 0x09b5b4fd,
      0x0a2adad1, 0x0aa58605, 0x0b25f936, 0x0bac7a24, 0x0c3951d8,
      0x0ccccccc, 0x0d673b17, 0x0e08f093, 0x0eb24510, 0x0f639481,
      0x101d3f2d, 0x10dfa9e6, 0x11ab3e3f, 0x12806ac3, 0x135fa333,
      0x144960c5, 0x153e2266, 0x163e6cfe, 0x174acbb7, 0x1863d04d,
      0x198a1357, 0x1abe349f, 0x1c00db77, 0x1d52b712, 0x1eb47ee6,
      0x2026f30f, 0x21aadcb6, 0x23410e7e, 0x24ea64f9, 0x26a7c71d,
      0x287a26c4, 0x2a62812c, 0x2c61df84, 0x2e795779, 0x30aa0bcf,
      0x32f52cfe, 0x355bf9d8, 0x37dfc033, 0x3a81dda4, 0x3d43c038,
      0x4026e73c, 0x432ce40f, 0x46575af8, 0x49a8040f, 0x4d20ac2a,
      0x50c335d3, 0x54919a57, 0x588dead1, 0x5cba514a, 0x611911ea,
      0x65ac8c2f, 0x6a773c39, 0x6f7bbc23, 0x74bcc56c, 0x7a3d3272,
      0x7fffffff,
};

static const u32 onoff_table[2] = {
      0x00000000, 0x00000001
};

/*
 */
 
static inline mm_segment_t snd_enter_user(void)
{
      mm_segment_t fs = get_fs();
      set_fs(get_ds());
      return fs;
}

static inline void snd_leave_user(mm_segment_t fs)
{
      set_fs(fs);
}

/*
 *   controls
 */

static int snd_emu10k1_gpr_ctl_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
      snd_emu10k1_fx8010_ctl_t *ctl = (snd_emu10k1_fx8010_ctl_t *)kcontrol->private_value;

      if (ctl->min == 0 && ctl->max == 1)
            uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
      else
            uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
      uinfo->count = ctl->vcount;
      uinfo->value.integer.min = ctl->min;
      uinfo->value.integer.max = ctl->max;
      return 0;
}

static int snd_emu10k1_gpr_ctl_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
      emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
      snd_emu10k1_fx8010_ctl_t *ctl = (snd_emu10k1_fx8010_ctl_t *)kcontrol->private_value;
      unsigned long flags;
      unsigned int i;
      
      spin_lock_irqsave(&emu->reg_lock, flags);
      for (i = 0; i < ctl->vcount; i++)
            ucontrol->value.integer.value[i] = ctl->value[i];
      spin_unlock_irqrestore(&emu->reg_lock, flags);
      return 0;
}

static int snd_emu10k1_gpr_ctl_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
      emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
      snd_emu10k1_fx8010_ctl_t *ctl = (snd_emu10k1_fx8010_ctl_t *)kcontrol->private_value;
      unsigned long flags;
      unsigned int nval, val;
      unsigned int i, j;
      int change = 0;
      
      spin_lock_irqsave(&emu->reg_lock, flags);
      for (i = 0; i < ctl->vcount; i++) {
            nval = ucontrol->value.integer.value[i];
            if (nval < ctl->min)
                  nval = ctl->min;
            if (nval > ctl->max)
                  nval = ctl->max;
            if (nval != ctl->value[i])
                  change = 1;
            val = ctl->value[i] = nval;
            switch (ctl->translation) {
            case EMU10K1_GPR_TRANSLATION_NONE:
                  snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[i], 0, val);
                  break;
            case EMU10K1_GPR_TRANSLATION_TABLE100:
                  snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[i], 0, db_table[val]);
                  break;
            case EMU10K1_GPR_TRANSLATION_BASS:
                  if ((ctl->count % 5) != 0 || (ctl->count / 5) != ctl->vcount) {
                        change = -EIO;
                        goto __error;
                  }
                  for (j = 0; j < 5; j++)
                        snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[j * ctl->vcount + i], 0, bass_table[val][j]);
                  break;
            case EMU10K1_GPR_TRANSLATION_TREBLE:
                  if ((ctl->count % 5) != 0 || (ctl->count / 5) != ctl->vcount) {
                        change = -EIO;
                        goto __error;
                  }
                  for (j = 0; j < 5; j++)
                        snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[j * ctl->vcount + i], 0, treble_table[val][j]);
                  break;
            case EMU10K1_GPR_TRANSLATION_ONOFF:
                  snd_emu10k1_ptr_write(emu, emu->gpr_base + ctl->gpr[i], 0, onoff_table[val]);
                  break;
            }
      }
      __error:
      spin_unlock_irqrestore(&emu->reg_lock, flags);
      return change;
}

/*
 *   Interrupt handler
 */

static void snd_emu10k1_fx8010_interrupt(emu10k1_t *emu)
{
      snd_emu10k1_fx8010_irq_t *irq, *nirq;

      irq = emu->fx8010.irq_handlers;
      while (irq) {
            nirq = irq->next; /* irq ptr can be removed from list */
            if (snd_emu10k1_ptr_read(emu, emu->gpr_base + irq->gpr_running, 0) & 0xffff0000) {
                  if (irq->handler)
                        irq->handler(emu, irq->private_data);
                  snd_emu10k1_ptr_write(emu, emu->gpr_base + irq->gpr_running, 0, 1);
            }
            irq = nirq;
      }
}

int snd_emu10k1_fx8010_register_irq_handler(emu10k1_t *emu,
                                       snd_fx8010_irq_handler_t *handler,
                                       unsigned char gpr_running,
                                       void *private_data,
                                       snd_emu10k1_fx8010_irq_t **r_irq)
{
      snd_emu10k1_fx8010_irq_t *irq;
      unsigned long flags;
      
      irq = kmalloc(sizeof(*irq), GFP_ATOMIC);
      if (irq == NULL)
            return -ENOMEM;
      irq->handler = handler;
      irq->gpr_running = gpr_running;
      irq->private_data = private_data;
      irq->next = NULL;
      spin_lock_irqsave(&emu->fx8010.irq_lock, flags);
      if (emu->fx8010.irq_handlers == NULL) {
            emu->fx8010.irq_handlers = irq;
            emu->dsp_interrupt = snd_emu10k1_fx8010_interrupt;
            snd_emu10k1_intr_enable(emu, INTE_FXDSPENABLE);
      } else {
            irq->next = emu->fx8010.irq_handlers;
            emu->fx8010.irq_handlers = irq;
      }
      spin_unlock_irqrestore(&emu->fx8010.irq_lock, flags);
      if (r_irq)
            *r_irq = irq;
      return 0;
}

int snd_emu10k1_fx8010_unregister_irq_handler(emu10k1_t *emu,
                                    snd_emu10k1_fx8010_irq_t *irq)
{
      snd_emu10k1_fx8010_irq_t *tmp;
      unsigned long flags;
      
      spin_lock_irqsave(&emu->fx8010.irq_lock, flags);
      if ((tmp = emu->fx8010.irq_handlers) == irq) {
            emu->fx8010.irq_handlers = tmp->next;
            if (emu->fx8010.irq_handlers == NULL) {
                  snd_emu10k1_intr_disable(emu, INTE_FXDSPENABLE);
                  emu->dsp_interrupt = NULL;
            }
      } else {
            while (tmp && tmp->next != irq)
                  tmp = tmp->next;
            if (tmp)
                  tmp->next = tmp->next->next;
      }
      spin_unlock_irqrestore(&emu->fx8010.irq_lock, flags);
      kfree(irq);
      return 0;
}

/*************************************************************************
 * EMU10K1 effect manager
 *************************************************************************/

static void snd_emu10k1_write_op(emu10k1_fx8010_code_t *icode, unsigned int *ptr,
                         u32 op, u32 r, u32 a, u32 x, u32 y)
{
      u_int32_t *code;
      snd_assert(*ptr < 512, return);
      code = (u_int32_t __force *)icode->code + (*ptr) * 2;
      set_bit(*ptr, icode->code_valid);
      code[0] = ((x & 0x3ff) << 10) | (y & 0x3ff);
      code[1] = ((op & 0x0f) << 20) | ((r & 0x3ff) << 10) | (a & 0x3ff);
      (*ptr)++;
}

#define OP(icode, ptr, op, r, a, x, y) \
      snd_emu10k1_write_op(icode, ptr, op, r, a, x, y)

static void snd_emu10k1_audigy_write_op(emu10k1_fx8010_code_t *icode, unsigned int *ptr,
                              u32 op, u32 r, u32 a, u32 x, u32 y)
{
      u_int32_t *code;
      snd_assert(*ptr < 1024, return);
      code = (u_int32_t __force *)icode->code + (*ptr) * 2;
      set_bit(*ptr, icode->code_valid);
      code[0] = ((x & 0x7ff) << 12) | (y & 0x7ff);
      code[1] = ((op & 0x0f) << 24) | ((r & 0x7ff) << 12) | (a & 0x7ff);
      (*ptr)++;
}

#define A_OP(icode, ptr, op, r, a, x, y) \
      snd_emu10k1_audigy_write_op(icode, ptr, op, r, a, x, y)

static void snd_emu10k1_efx_write(emu10k1_t *emu, unsigned int pc, unsigned int data)
{
      pc += emu->audigy ? A_MICROCODEBASE : MICROCODEBASE;
      snd_emu10k1_ptr_write(emu, pc, 0, data);
}

unsigned int snd_emu10k1_efx_read(emu10k1_t *emu, unsigned int pc)
{
      pc += emu->audigy ? A_MICROCODEBASE : MICROCODEBASE;
      return snd_emu10k1_ptr_read(emu, pc, 0);
}

static int snd_emu10k1_gpr_poke(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      int gpr;
      u32 val;

      for (gpr = 0; gpr < (emu->audigy ? 0x200 : 0x100); gpr++) {
            if (!test_bit(gpr, icode->gpr_valid))
                  continue;
            if (get_user(val, &icode->gpr_map[gpr]))
                  return -EFAULT;
            snd_emu10k1_ptr_write(emu, emu->gpr_base + gpr, 0, val);
      }
      return 0;
}

static int snd_emu10k1_gpr_peek(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      int gpr;
      u32 val;

      for (gpr = 0; gpr < (emu->audigy ? 0x200 : 0x100); gpr++) {
            set_bit(gpr, icode->gpr_valid);
            val = snd_emu10k1_ptr_read(emu, emu->gpr_base + gpr, 0);
            if (put_user(val, &icode->gpr_map[gpr]))
                  return -EFAULT;
      }
      return 0;
}

static int snd_emu10k1_tram_poke(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      int tram;
      u32 addr, val;

      for (tram = 0; tram < (emu->audigy ? 0x100 : 0xa0); tram++) {
            if (!test_bit(tram, icode->tram_valid))
                  continue;
            if (get_user(val, &icode->tram_data_map[tram]) ||
                get_user(addr, &icode->tram_addr_map[tram]))
                  return -EFAULT;
            snd_emu10k1_ptr_write(emu, TANKMEMDATAREGBASE + tram, 0, val);
            if (!emu->audigy) {
                  snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + tram, 0, addr);
            } else {
                  snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + tram, 0, addr << 12);
                  snd_emu10k1_ptr_write(emu, A_TANKMEMCTLREGBASE + tram, 0, addr >> 20);
            }
      }
      return 0;
}

static int snd_emu10k1_tram_peek(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      int tram;
      u32 val, addr;

      memset(icode->tram_valid, 0, sizeof(icode->tram_valid));
      for (tram = 0; tram < (emu->audigy ? 0x100 : 0xa0); tram++) {
            set_bit(tram, icode->tram_valid);
            val = snd_emu10k1_ptr_read(emu, TANKMEMDATAREGBASE + tram, 0);
            if (!emu->audigy) {
                  addr = snd_emu10k1_ptr_read(emu, TANKMEMADDRREGBASE + tram, 0);
            } else {
                  addr = snd_emu10k1_ptr_read(emu, TANKMEMADDRREGBASE + tram, 0) >> 12;
                  addr |= snd_emu10k1_ptr_read(emu, A_TANKMEMCTLREGBASE + tram, 0) << 20;
            }
            if (put_user(val, &icode->tram_data_map[tram]) ||
                put_user(addr, &icode->tram_addr_map[tram]))
                  return -EFAULT;
      }
      return 0;
}

static int snd_emu10k1_code_poke(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      u32 pc, lo, hi;

      for (pc = 0; pc < (emu->audigy ? 2*1024 : 2*512); pc += 2) {
            if (!test_bit(pc / 2, icode->code_valid))
                  continue;
            if (get_user(lo, &icode->code[pc + 0]) ||
                get_user(hi, &icode->code[pc + 1]))
                  return -EFAULT;
            snd_emu10k1_efx_write(emu, pc + 0, lo);
            snd_emu10k1_efx_write(emu, pc + 1, hi);
      }
      return 0;
}

static int snd_emu10k1_code_peek(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      u32 pc;

      memset(icode->code_valid, 0, sizeof(icode->code_valid));
      for (pc = 0; pc < (emu->audigy ? 2*1024 : 2*512); pc += 2) {
            set_bit(pc / 2, icode->code_valid);
            if (put_user(snd_emu10k1_efx_read(emu, pc + 0), &icode->code[pc + 0]))
                  return -EFAULT;
            if (put_user(snd_emu10k1_efx_read(emu, pc + 1), &icode->code[pc + 1]))
                  return -EFAULT;
      }
      return 0;
}

static snd_emu10k1_fx8010_ctl_t *snd_emu10k1_look_for_ctl(emu10k1_t *emu, snd_ctl_elem_id_t *id)
{
      snd_emu10k1_fx8010_ctl_t *ctl;
      snd_kcontrol_t *kcontrol;
      struct list_head *list;
      
      list_for_each(list, &emu->fx8010.gpr_ctl) {
            ctl = emu10k1_gpr_ctl(list);
            kcontrol = ctl->kcontrol;
            if (kcontrol->id.iface == id->iface &&
                !strcmp(kcontrol->id.name, id->name) &&
                kcontrol->id.index == id->index)
                  return ctl;
      }
      return NULL;
}

static int snd_emu10k1_verify_controls(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      unsigned int i;
      snd_ctl_elem_id_t __user *_id;
      snd_ctl_elem_id_t id;
      emu10k1_fx8010_control_gpr_t __user *_gctl;
      emu10k1_fx8010_control_gpr_t *gctl;
      int err;
      
      for (i = 0, _id = icode->gpr_del_controls;
           i < icode->gpr_del_control_count; i++, _id++) {
            if (copy_from_user(&id, _id, sizeof(id)))
                  return -EFAULT;
            if (snd_emu10k1_look_for_ctl(emu, &id) == NULL)
                  return -ENOENT;
      }
      gctl = kmalloc(sizeof(*gctl), GFP_KERNEL);
      if (! gctl)
            return -ENOMEM;
      err = 0;
      for (i = 0, _gctl = icode->gpr_add_controls;
           i < icode->gpr_add_control_count; i++, _gctl++) {
            if (copy_from_user(gctl, _gctl, sizeof(*gctl))) {
                  err = -EFAULT;
                  goto __error;
            }
            if (snd_emu10k1_look_for_ctl(emu, &gctl->id))
                  continue;
            down_read(&emu->card->controls_rwsem);
            if (snd_ctl_find_id(emu->card, &gctl->id) != NULL) {
                  up_read(&emu->card->controls_rwsem);
                  err = -EEXIST;
                  goto __error;
            }
            up_read(&emu->card->controls_rwsem);
            if (gctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
                gctl->id.iface != SNDRV_CTL_ELEM_IFACE_PCM) {
                  err = -EINVAL;
                  goto __error;
            }
      }
      for (i = 0, _gctl = icode->gpr_list_controls;
           i < icode->gpr_list_control_count; i++, _gctl++) {
            /* FIXME: we need to check the WRITE access */
            if (copy_from_user(gctl, _gctl, sizeof(*gctl))) {
                  err = -EFAULT;
                  goto __error;
            }
      }
 __error:
      kfree(gctl);
      return err;
}

static void snd_emu10k1_ctl_private_free(snd_kcontrol_t *kctl)
{
      snd_emu10k1_fx8010_ctl_t *ctl;
      
      ctl = (snd_emu10k1_fx8010_ctl_t *)kctl->private_value;
      kctl->private_value = 0;
      list_del(&ctl->list);
      kfree(ctl);
}

static int snd_emu10k1_add_controls(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      unsigned int i, j;
      emu10k1_fx8010_control_gpr_t __user *_gctl;
      emu10k1_fx8010_control_gpr_t *gctl;
      snd_emu10k1_fx8010_ctl_t *ctl, *nctl;
      snd_kcontrol_new_t knew;
      snd_kcontrol_t *kctl;
      snd_ctl_elem_value_t *val;
      int err = 0;

      val = (snd_ctl_elem_value_t *)kmalloc(sizeof(*val), GFP_KERNEL);
      gctl = kmalloc(sizeof(*gctl), GFP_KERNEL);
      nctl = kmalloc(sizeof(*nctl), GFP_KERNEL);
      if (!val || !gctl || !nctl) {
            err = -ENOMEM;
            goto __error;
      }

      for (i = 0, _gctl = icode->gpr_add_controls;
           i < icode->gpr_add_control_count; i++, _gctl++) {
            if (copy_from_user(gctl, _gctl, sizeof(*gctl))) {
                  err = -EFAULT;
                  goto __error;
            }
            if (gctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER &&
                gctl->id.iface != SNDRV_CTL_ELEM_IFACE_PCM) {
                  err = -EINVAL;
                  goto __error;
            }
            if (! gctl->id.name[0]) {
                  err = -EINVAL;
                  goto __error;
            }
            ctl = snd_emu10k1_look_for_ctl(emu, &gctl->id);
            memset(&knew, 0, sizeof(knew));
            knew.iface = gctl->id.iface;
            knew.name = gctl->id.name;
            knew.index = gctl->id.index;
            knew.device = gctl->id.device;
            knew.subdevice = gctl->id.subdevice;
            knew.info = snd_emu10k1_gpr_ctl_info;
            knew.get = snd_emu10k1_gpr_ctl_get;
            knew.put = snd_emu10k1_gpr_ctl_put;
            memset(nctl, 0, sizeof(*nctl));
            nctl->vcount = gctl->vcount;
            nctl->count = gctl->count;
            for (j = 0; j < 32; j++) {
                  nctl->gpr[j] = gctl->gpr[j];
                  nctl->value[j] = ~gctl->value[j];   /* inverted, we want to write new value in gpr_ctl_put() */
                  val->value.integer.value[j] = gctl->value[j];
            }
            nctl->min = gctl->min;
            nctl->max = gctl->max;
            nctl->translation = gctl->translation;
            if (ctl == NULL) {
                  ctl = (snd_emu10k1_fx8010_ctl_t *)kmalloc(sizeof(*ctl), GFP_KERNEL);
                  if (ctl == NULL) {
                        err = -ENOMEM;
                        goto __error;
                  }
                  knew.private_value = (unsigned long)ctl;
                  *ctl = *nctl;
                  if ((err = snd_ctl_add(emu->card, kctl = snd_ctl_new1(&knew, emu))) < 0) {
                        kfree(ctl);
                        goto __error;
                  }
                  kctl->private_free = snd_emu10k1_ctl_private_free;
                  ctl->kcontrol = kctl;
                  list_add_tail(&ctl->list, &emu->fx8010.gpr_ctl);
            } else {
                  /* overwrite */
                  nctl->list = ctl->list;
                  nctl->kcontrol = ctl->kcontrol;
                  *ctl = *nctl;
                  snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
                                            SNDRV_CTL_EVENT_MASK_INFO, &ctl->kcontrol->id);
            }
            snd_emu10k1_gpr_ctl_put(ctl->kcontrol, val);
      }
      __error:
      kfree(nctl);
      kfree(gctl);
      kfree(val);
      return err;
}

static int snd_emu10k1_del_controls(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      unsigned int i;
      snd_ctl_elem_id_t id;
      snd_ctl_elem_id_t __user *_id;
      snd_emu10k1_fx8010_ctl_t *ctl;
      snd_card_t *card = emu->card;
      
      for (i = 0, _id = icode->gpr_del_controls;
           i < icode->gpr_del_control_count; i++, _id++) {
            if (copy_from_user(&id, _id, sizeof(id)))
                  return -EFAULT;
            down_write(&card->controls_rwsem);
            ctl = snd_emu10k1_look_for_ctl(emu, &id);
            if (ctl)
                  snd_ctl_remove(card, ctl->kcontrol);
            up_write(&card->controls_rwsem);
      }
      return 0;
}

static int snd_emu10k1_list_controls(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      unsigned int i = 0, j;
      unsigned int total = 0;
      emu10k1_fx8010_control_gpr_t *gctl;
      emu10k1_fx8010_control_gpr_t __user *_gctl;
      snd_emu10k1_fx8010_ctl_t *ctl;
      snd_ctl_elem_id_t *id;
      struct list_head *list;

      gctl = kmalloc(sizeof(*gctl), GFP_KERNEL);
      if (! gctl)
            return -ENOMEM;

      _gctl = icode->gpr_list_controls;   
      list_for_each(list, &emu->fx8010.gpr_ctl) {
            ctl = emu10k1_gpr_ctl(list);
            total++;
            if (_gctl && i < icode->gpr_list_control_count) {
                  memset(gctl, 0, sizeof(*gctl));
                  id = &ctl->kcontrol->id;
                  gctl->id.iface = id->iface;
                  strlcpy(gctl->id.name, id->name, sizeof(gctl->id.name));
                  gctl->id.index = id->index;
                  gctl->id.device = id->device;
                  gctl->id.subdevice = id->subdevice;
                  gctl->vcount = ctl->vcount;
                  gctl->count = ctl->count;
                  for (j = 0; j < 32; j++) {
                        gctl->gpr[j] = ctl->gpr[j];
                        gctl->value[j] = ctl->value[j];
                  }
                  gctl->min = ctl->min;
                  gctl->max = ctl->max;
                  gctl->translation = ctl->translation;
                  if (copy_to_user(_gctl, gctl, sizeof(*gctl))) {
                        kfree(gctl);
                        return -EFAULT;
                  }
                  _gctl++;
                  i++;
            }
      }
      icode->gpr_list_control_total = total;
      kfree(gctl);
      return 0;
}

static int snd_emu10k1_icode_poke(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      int err = 0;

      down(&emu->fx8010.lock);
      if ((err = snd_emu10k1_verify_controls(emu, icode)) < 0)
            goto __error;
      strlcpy(emu->fx8010.name, icode->name, sizeof(emu->fx8010.name));
      /* stop FX processor - this may be dangerous, but it's better to miss
         some samples than generate wrong ones - [jk] */
      if (emu->audigy)
            snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg | A_DBG_SINGLE_STEP);
      else
            snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg | EMU10K1_DBG_SINGLE_STEP);
      /* ok, do the main job */
      if ((err = snd_emu10k1_del_controls(emu, icode)) < 0 ||
          (err = snd_emu10k1_gpr_poke(emu, icode)) < 0 ||
          (err = snd_emu10k1_tram_poke(emu, icode)) < 0 ||
          (err = snd_emu10k1_code_poke(emu, icode)) < 0 ||
          (err = snd_emu10k1_add_controls(emu, icode)) < 0)
            goto __error;
      /* start FX processor when the DSP code is updated */
      if (emu->audigy)
            snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg);
      else
            snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg);
      __error:
      up(&emu->fx8010.lock);
      return err;
}

static int snd_emu10k1_icode_peek(emu10k1_t *emu, emu10k1_fx8010_code_t *icode)
{
      int err;

      down(&emu->fx8010.lock);
      strlcpy(icode->name, emu->fx8010.name, sizeof(icode->name));
      /* ok, do the main job */
      err = snd_emu10k1_gpr_peek(emu, icode);
      if (err >= 0)
            err = snd_emu10k1_tram_peek(emu, icode);
      if (err >= 0)
            err = snd_emu10k1_code_peek(emu, icode);
      if (err >= 0)
            err = snd_emu10k1_list_controls(emu, icode);
      up(&emu->fx8010.lock);
      return err;
}

static int snd_emu10k1_ipcm_poke(emu10k1_t *emu, emu10k1_fx8010_pcm_t *ipcm)
{
      unsigned int i;
      int err = 0;
      snd_emu10k1_fx8010_pcm_t *pcm;

      if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT)
            return -EINVAL;
      if (ipcm->channels > 32)
            return -EINVAL;
      pcm = &emu->fx8010.pcm[ipcm->substream];
      down(&emu->fx8010.lock);
      spin_lock_irq(&emu->reg_lock);
      if (pcm->opened) {
            err = -EBUSY;
            goto __error;
      }
      if (ipcm->channels == 0) {    /* remove */
            pcm->valid = 0;
      } else {
            /* FIXME: we need to add universal code to the PCM transfer routine */
            if (ipcm->channels != 2) {
                  err = -EINVAL;
                  goto __error;
            }
            pcm->valid = 1;
            pcm->opened = 0;
            pcm->channels = ipcm->channels;
            pcm->tram_start = ipcm->tram_start;
            pcm->buffer_size = ipcm->buffer_size;
            pcm->gpr_size = ipcm->gpr_size;
            pcm->gpr_count = ipcm->gpr_count;
            pcm->gpr_tmpcount = ipcm->gpr_tmpcount;
            pcm->gpr_ptr = ipcm->gpr_ptr;
            pcm->gpr_trigger = ipcm->gpr_trigger;
            pcm->gpr_running = ipcm->gpr_running;
            for (i = 0; i < pcm->channels; i++)
                  pcm->etram[i] = ipcm->etram[i];
      }
      __error:
      spin_unlock_irq(&emu->reg_lock);
      up(&emu->fx8010.lock);
      return err;
}

static int snd_emu10k1_ipcm_peek(emu10k1_t *emu, emu10k1_fx8010_pcm_t *ipcm)
{
      unsigned int i;
      int err = 0;
      snd_emu10k1_fx8010_pcm_t *pcm;

      if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT)
            return -EINVAL;
      pcm = &emu->fx8010.pcm[ipcm->substream];
      down(&emu->fx8010.lock);
      spin_lock_irq(&emu->reg_lock);
      ipcm->channels = pcm->channels;
      ipcm->tram_start = pcm->tram_start;
      ipcm->buffer_size = pcm->buffer_size;
      ipcm->gpr_size = pcm->gpr_size;
      ipcm->gpr_ptr = pcm->gpr_ptr;
      ipcm->gpr_count = pcm->gpr_count;
      ipcm->gpr_tmpcount = pcm->gpr_tmpcount;
      ipcm->gpr_trigger = pcm->gpr_trigger;
      ipcm->gpr_running = pcm->gpr_running;
      for (i = 0; i < pcm->channels; i++)
            ipcm->etram[i] = pcm->etram[i];
      ipcm->res1 = ipcm->res2 = 0;
      ipcm->pad = 0;
      spin_unlock_irq(&emu->reg_lock);
      up(&emu->fx8010.lock);
      return err;
}

#define SND_EMU10K1_GPR_CONTROLS    44
#define SND_EMU10K1_INPUTS          12
#define SND_EMU10K1_PLAYBACK_CHANNELS     8
#define SND_EMU10K1_CAPTURE_CHANNELS      4

static void __devinit snd_emu10k1_init_mono_control(emu10k1_fx8010_control_gpr_t *ctl, const char *name, int gpr, int defval)
{
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, name);
      ctl->vcount = ctl->count = 1;
      ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
      ctl->min = 0;
      ctl->max = 100;
      ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;  
}

static void __devinit snd_emu10k1_init_stereo_control(emu10k1_fx8010_control_gpr_t *ctl, const char *name, int gpr, int defval)
{
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, name);
      ctl->vcount = ctl->count = 2;
      ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
      ctl->gpr[1] = gpr + 1; ctl->value[1] = defval;
      ctl->min = 0;
      ctl->max = 100;
      ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
}

static void __devinit snd_emu10k1_init_mono_onoff_control(emu10k1_fx8010_control_gpr_t *ctl, const char *name, int gpr, int defval)
{
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, name);
      ctl->vcount = ctl->count = 1;
      ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
      ctl->min = 0;
      ctl->max = 1;
      ctl->translation = EMU10K1_GPR_TRANSLATION_ONOFF;
}

static void __devinit snd_emu10k1_init_stereo_onoff_control(emu10k1_fx8010_control_gpr_t *ctl, const char *name, int gpr, int defval)
{
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, name);
      ctl->vcount = ctl->count = 2;
      ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
      ctl->gpr[1] = gpr + 1; ctl->value[1] = defval;
      ctl->min = 0;
      ctl->max = 1;
      ctl->translation = EMU10K1_GPR_TRANSLATION_ONOFF;
}


/*
 * initial DSP configuration for Audigy
 */

static int __devinit _snd_emu10k1_audigy_init_efx(emu10k1_t *emu)
{
      int err, i, z, gpr, nctl;
      const int playback = 10;
      const int capture = playback + (SND_EMU10K1_PLAYBACK_CHANNELS * 2); /* we reserve 10 voices */
      const int stereo_mix = capture + 2;
      const int tmp = 0x88;
      u32 ptr;
      emu10k1_fx8010_code_t *icode = NULL;
      emu10k1_fx8010_control_gpr_t *controls = NULL, *ctl;
      u32 *gpr_map;
      mm_segment_t seg;

      spin_lock_init(&emu->fx8010.irq_lock);
      INIT_LIST_HEAD(&emu->fx8010.gpr_ctl);

      if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL ||
          (icode->gpr_map = (u_int32_t __user *)kcalloc(512 + 256 + 256 + 2 * 1024, sizeof(u_int32_t), GFP_KERNEL)) == NULL ||
          (controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, sizeof(*controls), GFP_KERNEL)) == NULL) {
            err = -ENOMEM;
            goto __err;
      }
      gpr_map = (u32 __force *)icode->gpr_map;

      icode->tram_data_map = icode->gpr_map + 512;
      icode->tram_addr_map = icode->tram_data_map + 256;
      icode->code = icode->tram_addr_map + 256;

      /* clear free GPRs */
      for (i = 0; i < 512; i++)
            set_bit(i, icode->gpr_valid);
            
      /* clear TRAM data & address lines */
      for (i = 0; i < 256; i++)
            set_bit(i, icode->tram_valid);

      strcpy(icode->name, "Audigy DSP code for ALSA");
      ptr = 0;
      nctl = 0;
      gpr = stereo_mix + 10;

      /* stop FX processor */
      snd_emu10k1_ptr_write(emu, A_DBG, 0, (emu->fx8010.dbg = 0) | A_DBG_SINGLE_STEP);

      /* PCM front Playback Volume (independent from stereo mix) */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LEFT_FRONT));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+1), A_C_00000000, A_GPR(gpr+1), A_FXBUS(FXBUS_PCM_RIGHT_FRONT));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "PCM Front Playback Volume", gpr, 100);
      gpr += 2;
      
      /* PCM Surround Playback (independent from stereo mix) */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+2), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LEFT_REAR));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+3), A_C_00000000, A_GPR(gpr+1), A_FXBUS(FXBUS_PCM_RIGHT_REAR));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "PCM Surround Playback Volume", gpr, 100);
      gpr += 2;
      
      /* PCM Side Playback (independent from stereo mix) */
      if (emu->card_capabilities->spk71) {
            A_OP(icode, &ptr, iMAC0, A_GPR(playback+6), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LEFT_SIDE));
            A_OP(icode, &ptr, iMAC0, A_GPR(playback+7), A_C_00000000, A_GPR(gpr+1), A_FXBUS(FXBUS_PCM_RIGHT_SIDE));
            snd_emu10k1_init_stereo_control(&controls[nctl++], "PCM Side Playback Volume", gpr, 100);
            gpr += 2;
      }

      /* PCM Center Playback (independent from stereo mix) */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+4), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_CENTER));
      snd_emu10k1_init_mono_control(&controls[nctl++], "PCM Center Playback Volume", gpr, 100);
      gpr++;

      /* PCM LFE Playback (independent from stereo mix) */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+5), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LFE));
      snd_emu10k1_init_mono_control(&controls[nctl++], "PCM LFE Playback Volume", gpr, 100);
      gpr++;
      
      /*
       * Stereo Mix
       */
      /* Wave (PCM) Playback Volume (will be renamed later) */
      A_OP(icode, &ptr, iMAC0, A_GPR(stereo_mix), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LEFT));
      A_OP(icode, &ptr, iMAC0, A_GPR(stereo_mix+1), A_C_00000000, A_GPR(gpr+1), A_FXBUS(FXBUS_PCM_RIGHT));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Wave Playback Volume", gpr, 100);
      gpr += 2;

      /* Synth Playback */
      A_OP(icode, &ptr, iMAC0, A_GPR(stereo_mix+0), A_GPR(stereo_mix+0), A_GPR(gpr), A_FXBUS(FXBUS_MIDI_LEFT));
      A_OP(icode, &ptr, iMAC0, A_GPR(stereo_mix+1), A_GPR(stereo_mix+1), A_GPR(gpr+1), A_FXBUS(FXBUS_MIDI_RIGHT));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Synth Playback Volume", gpr, 100);
      gpr += 2;

      /* Wave (PCM) Capture */
      A_OP(icode, &ptr, iMAC0, A_GPR(capture+0), A_C_00000000, A_GPR(gpr), A_FXBUS(FXBUS_PCM_LEFT));
      A_OP(icode, &ptr, iMAC0, A_GPR(capture+1), A_C_00000000, A_GPR(gpr+1), A_FXBUS(FXBUS_PCM_RIGHT));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "PCM Capture Volume", gpr, 0);
      gpr += 2;

      /* Synth Capture */
      A_OP(icode, &ptr, iMAC0, A_GPR(capture+0), A_GPR(capture+0), A_GPR(gpr), A_FXBUS(FXBUS_MIDI_LEFT));
      A_OP(icode, &ptr, iMAC0, A_GPR(capture+1), A_GPR(capture+1), A_GPR(gpr+1), A_FXBUS(FXBUS_MIDI_RIGHT));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Synth Capture Volume", gpr, 0);
      gpr += 2;

      /*
       * inputs
       */
#define A_ADD_VOLUME_IN(var,vol,input) \
A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))

      /* AC'97 Playback Volume - used only for mic (renamed later) */
      A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AC97_L);
      A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AC97_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++], "AMic Playback Volume", gpr, 0);
      gpr += 2;
      /* AC'97 Capture Volume - used only for mic */
      A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_AC97_L);
      A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_AC97_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Mic Capture Volume", gpr, 0);
      gpr += 2;

      /* mic capture buffer */      
      A_OP(icode, &ptr, iINTERP, A_EXTOUT(A_EXTOUT_MIC_CAP), A_EXTIN(A_EXTIN_AC97_L), 0xcd, A_EXTIN(A_EXTIN_AC97_R));

      /* Audigy CD Playback Volume */
      A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_SPDIF_CD_L);
      A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_SPDIF_CD_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++],
                              emu->card_capabilities->ac97_chip ? "Audigy CD Playback Volume" : "CD Playback Volume",
                              gpr, 0);
      gpr += 2;
      /* Audigy CD Capture Volume */
      A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_SPDIF_CD_L);
      A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_SPDIF_CD_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++],
                              emu->card_capabilities->ac97_chip ? "Audigy CD Capture Volume" : "CD Capture Volume",
                              gpr, 0);
      gpr += 2;

      /* Optical SPDIF Playback Volume */
      A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_OPT_SPDIF_L);
      A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_OPT_SPDIF_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++], SNDRV_CTL_NAME_IEC958("Optical ",PLAYBACK,VOLUME), gpr, 0);
      gpr += 2;
      /* Optical SPDIF Capture Volume */
      A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_OPT_SPDIF_L);
      A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_OPT_SPDIF_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++], SNDRV_CTL_NAME_IEC958("Optical ",CAPTURE,VOLUME), gpr, 0);
      gpr += 2;

      /* Line2 Playback Volume */
      A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_LINE2_L);
      A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_LINE2_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++],
                              emu->card_capabilities->ac97_chip ? "Line2 Playback Volume" : "Line Playback Volume",
                              gpr, 0);
      gpr += 2;
      /* Line2 Capture Volume */
      A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_LINE2_L);
      A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_LINE2_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++],
                              emu->card_capabilities->ac97_chip ? "Line2 Capture Volume" : "Line Capture Volume",
                              gpr, 0);
      gpr += 2;
        
      /* Philips ADC Playback Volume */
      A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_ADC_L);
      A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_ADC_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Analog Mix Playback Volume", gpr, 0);
      gpr += 2;
      /* Philips ADC Capture Volume */
      A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_ADC_L);
      A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_ADC_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Analog Mix Capture Volume", gpr, 0);
      gpr += 2;

      /* Aux2 Playback Volume */
      A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AUX2_L);
      A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AUX2_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++],
                              emu->card_capabilities->ac97_chip ? "Aux2 Playback Volume" : "Aux Playback Volume",
                              gpr, 0);
      gpr += 2;
      /* Aux2 Capture Volume */
      A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_AUX2_L);
      A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_AUX2_R);
      snd_emu10k1_init_stereo_control(&controls[nctl++],
                              emu->card_capabilities->ac97_chip ? "Aux2 Capture Volume" : "Aux Capture Volume",
                              gpr, 0);
      gpr += 2;
      
      /* Stereo Mix Front Playback Volume */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback), A_GPR(playback), A_GPR(gpr), A_GPR(stereo_mix));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+1), A_GPR(playback+1), A_GPR(gpr+1), A_GPR(stereo_mix+1));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Front Playback Volume", gpr, 100);
      gpr += 2;
      
      /* Stereo Mix Surround Playback */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+2), A_GPR(playback+2), A_GPR(gpr), A_GPR(stereo_mix));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+3), A_GPR(playback+3), A_GPR(gpr+1), A_GPR(stereo_mix+1));
      snd_emu10k1_init_stereo_control(&controls[nctl++], "Surround Playback Volume", gpr, 0);
      gpr += 2;

      /* Stereo Mix Center Playback */
      /* Center = sub = Left/2 + Right/2 */
      A_OP(icode, &ptr, iINTERP, A_GPR(tmp), A_GPR(stereo_mix), 0xcd, A_GPR(stereo_mix+1));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+4), A_GPR(playback+4), A_GPR(gpr), A_GPR(tmp));
      snd_emu10k1_init_mono_control(&controls[nctl++], "Center Playback Volume", gpr, 0);
      gpr++;

      /* Stereo Mix LFE Playback */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+5), A_GPR(playback+5), A_GPR(gpr), A_GPR(tmp));
      snd_emu10k1_init_mono_control(&controls[nctl++], "LFE Playback Volume", gpr, 0);
      gpr++;
      
      if (emu->card_capabilities->spk71) {
            /* Stereo Mix Side Playback */
            A_OP(icode, &ptr, iMAC0, A_GPR(playback+6), A_GPR(playback+6), A_GPR(gpr), A_GPR(stereo_mix));
            A_OP(icode, &ptr, iMAC0, A_GPR(playback+7), A_GPR(playback+7), A_GPR(gpr+1), A_GPR(stereo_mix+1));
            snd_emu10k1_init_stereo_control(&controls[nctl++], "Side Playback Volume", gpr, 0);
            gpr += 2;
      }

      /*
       * outputs
       */
#define A_PUT_OUTPUT(out,src) A_OP(icode, &ptr, iACC3, A_EXTOUT(out), A_C_00000000, A_C_00000000, A_GPR(src))
#define A_PUT_STEREO_OUTPUT(out1,out2,src) \
      {A_PUT_OUTPUT(out1,src); A_PUT_OUTPUT(out2,src+1);}

#define _A_SWITCH(icode, ptr, dst, src, sw) \
      A_OP((icode), ptr, iMACINT0, dst, A_C_00000000, src, sw);
#define A_SWITCH(icode, ptr, dst, src, sw) \
            _A_SWITCH(icode, ptr, A_GPR(dst), A_GPR(src), A_GPR(sw))
#define _A_SWITCH_NEG(icode, ptr, dst, src) \
      A_OP((icode), ptr, iANDXOR, dst, src, A_C_00000001, A_C_00000001);
#define A_SWITCH_NEG(icode, ptr, dst, src) \
            _A_SWITCH_NEG(icode, ptr, A_GPR(dst), A_GPR(src))


      /*
       *  Process tone control
       */
      A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 0), A_GPR(playback + 0), A_C_00000000, A_C_00000000); /* left */
      A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 1), A_GPR(playback + 1), A_C_00000000, A_C_00000000); /* right */
      A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 2), A_GPR(playback + 2), A_C_00000000, A_C_00000000); /* rear left */
      A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 3), A_GPR(playback + 3), A_C_00000000, A_C_00000000); /* rear right */
      A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 4), A_GPR(playback + 4), A_C_00000000, A_C_00000000); /* center */
      A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 5), A_GPR(playback + 5), A_C_00000000, A_C_00000000); /* LFE */
      if (emu->card_capabilities->spk71) {
            A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 6), A_GPR(playback + 6), A_C_00000000, A_C_00000000); /* side left */
            A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 7), A_GPR(playback + 7), A_C_00000000, A_C_00000000); /* side right */
      }
      

      ctl = &controls[nctl + 0];
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, "Tone Control - Bass");
      ctl->vcount = 2;
      ctl->count = 10;
      ctl->min = 0;
      ctl->max = 40;
      ctl->value[0] = ctl->value[1] = 20;
      ctl->translation = EMU10K1_GPR_TRANSLATION_BASS;
      ctl = &controls[nctl + 1];
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, "Tone Control - Treble");
      ctl->vcount = 2;
      ctl->count = 10;
      ctl->min = 0;
      ctl->max = 40;
      ctl->value[0] = ctl->value[1] = 20;
      ctl->translation = EMU10K1_GPR_TRANSLATION_TREBLE;

#define BASS_GPR  0x8c
#define TREBLE_GPR      0x96

      for (z = 0; z < 5; z++) {
            int j;
            for (j = 0; j < 2; j++) {
                  controls[nctl + 0].gpr[z * 2 + j] = BASS_GPR + z * 2 + j;
                  controls[nctl + 1].gpr[z * 2 + j] = TREBLE_GPR + z * 2 + j;
            }
      }
      for (z = 0; z < 4; z++) {           /* front/rear/center-lfe/side */
            int j, k, l, d;
            for (j = 0; j < 2; j++) {     /* left/right */
                  k = 0xb0 + (z * 8) + (j * 4);
                  l = 0xe0 + (z * 8) + (j * 4);
                  d = playback + SND_EMU10K1_PLAYBACK_CHANNELS + z * 2 + j;

                  A_OP(icode, &ptr, iMAC0, A_C_00000000, A_C_00000000, A_GPR(d), A_GPR(BASS_GPR + 0 + j));
                  A_OP(icode, &ptr, iMACMV, A_GPR(k+1), A_GPR(k), A_GPR(k+1), A_GPR(BASS_GPR + 4 + j));
                  A_OP(icode, &ptr, iMACMV, A_GPR(k), A_GPR(d), A_GPR(k), A_GPR(BASS_GPR + 2 + j));
                  A_OP(icode, &ptr, iMACMV, A_GPR(k+3), A_GPR(k+2), A_GPR(k+3), A_GPR(BASS_GPR + 8 + j));
                  A_OP(icode, &ptr, iMAC0, A_GPR(k+2), A_GPR_ACCU, A_GPR(k+2), A_GPR(BASS_GPR + 6 + j));
                  A_OP(icode, &ptr, iACC3, A_GPR(k+2), A_GPR(k+2), A_GPR(k+2), A_C_00000000);

                  A_OP(icode, &ptr, iMAC0, A_C_00000000, A_C_00000000, A_GPR(k+2), A_GPR(TREBLE_GPR + 0 + j));
                  A_OP(icode, &ptr, iMACMV, A_GPR(l+1), A_GPR(l), A_GPR(l+1), A_GPR(TREBLE_GPR + 4 + j));
                  A_OP(icode, &ptr, iMACMV, A_GPR(l), A_GPR(k+2), A_GPR(l), A_GPR(TREBLE_GPR + 2 + j));
                  A_OP(icode, &ptr, iMACMV, A_GPR(l+3), A_GPR(l+2), A_GPR(l+3), A_GPR(TREBLE_GPR + 8 + j));
                  A_OP(icode, &ptr, iMAC0, A_GPR(l+2), A_GPR_ACCU, A_GPR(l+2), A_GPR(TREBLE_GPR + 6 + j));
                  A_OP(icode, &ptr, iMACINT0, A_GPR(l+2), A_C_00000000, A_GPR(l+2), A_C_00000010);

                  A_OP(icode, &ptr, iACC3, A_GPR(d), A_GPR(l+2), A_C_00000000, A_C_00000000);

                  if (z == 2) /* center */
                        break;
            }
      }
      nctl += 2;

#undef BASS_GPR
#undef TREBLE_GPR

      for (z = 0; z < 8; z++) {
            A_SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr + 0);
            A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + 0);
            A_SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1);
            A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
      }
      snd_emu10k1_init_stereo_onoff_control(controls + nctl++, "Tone Control - Switch", gpr, 0);
      gpr += 2;

      /* Master volume (will be renamed later) */
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+0+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+0+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+1+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+1+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+2+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+2+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+3+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+3+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+4+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+4+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+5+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+5+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+6+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+6+SND_EMU10K1_PLAYBACK_CHANNELS));
      A_OP(icode, &ptr, iMAC0, A_GPR(playback+7+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+7+SND_EMU10K1_PLAYBACK_CHANNELS));
      snd_emu10k1_init_mono_control(&controls[nctl++], "Wave Master Playback Volume", gpr, 0);
      gpr += 2;

      /* analog speakers */
      A_PUT_STEREO_OUTPUT(A_EXTOUT_AFRONT_L, A_EXTOUT_AFRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);
      A_PUT_STEREO_OUTPUT(A_EXTOUT_AREAR_L, A_EXTOUT_AREAR_R, playback+2 + SND_EMU10K1_PLAYBACK_CHANNELS);
      A_PUT_OUTPUT(A_EXTOUT_ACENTER, playback+4 + SND_EMU10K1_PLAYBACK_CHANNELS);
      A_PUT_OUTPUT(A_EXTOUT_ALFE, playback+5 + SND_EMU10K1_PLAYBACK_CHANNELS);
      if (emu->card_capabilities->spk71)
            A_PUT_STEREO_OUTPUT(A_EXTOUT_ASIDE_L, A_EXTOUT_ASIDE_R, playback+6 + SND_EMU10K1_PLAYBACK_CHANNELS);

      /* headphone */
      A_PUT_STEREO_OUTPUT(A_EXTOUT_HEADPHONE_L, A_EXTOUT_HEADPHONE_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);

      /* digital outputs */
      /* A_PUT_STEREO_OUTPUT(A_EXTOUT_FRONT_L, A_EXTOUT_FRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS); */

      /* IEC958 Optical Raw Playback Switch */ 
      gpr_map[gpr++] = 0;
      gpr_map[gpr++] = 0x1008;
      gpr_map[gpr++] = 0xffff0000;
      for (z = 0; z < 2; z++) {
            A_OP(icode, &ptr, iMAC0, A_GPR(tmp + 2), A_FXBUS(FXBUS_PT_LEFT + z), A_C_00000000, A_C_00000000);
            A_OP(icode, &ptr, iSKIP, A_GPR_COND, A_GPR_COND, A_GPR(gpr - 2), A_C_00000001);
            A_OP(icode, &ptr, iACC3, A_GPR(tmp + 2), A_C_00000000, A_C_00010000, A_GPR(tmp + 2));
            A_OP(icode, &ptr, iANDXOR, A_GPR(tmp + 2), A_GPR(tmp + 2), A_GPR(gpr - 1), A_C_00000000);
            A_SWITCH(icode, &ptr, tmp + 0, tmp + 2, gpr + z);
            A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + z);
            A_SWITCH(icode, &ptr, tmp + 1, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, tmp + 1);
            if ((z==1) && (emu->card_capabilities->spdif_bug)) {
                  /* Due to a SPDIF output bug on some Audigy cards, this code delays the Right channel by 1 sample */
                  snd_printk(KERN_INFO "Installing spdif_bug patch: %s\n", emu->card_capabilities->name);
                  A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(gpr - 3), A_C_00000000, A_C_00000000);
                  A_OP(icode, &ptr, iACC3, A_GPR(gpr - 3), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
            } else {
                  A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
            }
      }
      snd_emu10k1_init_stereo_onoff_control(controls + nctl++, SNDRV_CTL_NAME_IEC958("Optical Raw ",PLAYBACK,SWITCH), gpr, 0);
      gpr += 2;
      
      A_PUT_STEREO_OUTPUT(A_EXTOUT_REAR_L, A_EXTOUT_REAR_R, playback+2 + SND_EMU10K1_PLAYBACK_CHANNELS);
      A_PUT_OUTPUT(A_EXTOUT_CENTER, playback+4 + SND_EMU10K1_PLAYBACK_CHANNELS);
      A_PUT_OUTPUT(A_EXTOUT_LFE, playback+5 + SND_EMU10K1_PLAYBACK_CHANNELS);

      /* ADC buffer */
#ifdef EMU10K1_CAPTURE_DIGITAL_OUT
      A_PUT_STEREO_OUTPUT(A_EXTOUT_ADC_CAP_L, A_EXTOUT_ADC_CAP_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS);
#else
      A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_L, capture);
      A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_R, capture+1);
#endif

      /* EFX capture - capture the 16 EXTINs */
      for (z = 0; z < 16; z++) {
            A_OP(icode, &ptr, iACC3, A_FXBUS2(z), A_C_00000000, A_C_00000000, A_EXTIN(z));
      }
      
      /*
       * ok, set up done..
       */

      if (gpr > tmp) {
            snd_BUG();
            err = -EIO;
            goto __err;
      }
      /* clear remaining instruction memory */
      while (ptr < 0x400)
            A_OP(icode, &ptr, 0x0f, 0xc0, 0xc0, 0xcf, 0xc0);

      seg = snd_enter_user();
      icode->gpr_add_control_count = nctl;
      icode->gpr_add_controls = (emu10k1_fx8010_control_gpr_t __user *)controls;
      err = snd_emu10k1_icode_poke(emu, icode);
      snd_leave_user(seg);

 __err:
      kfree(controls);
      if (icode != NULL) {
            kfree((void __force *)icode->gpr_map);
            kfree(icode);
      }
      return err;
}


/*
 * initial DSP configuration for Emu10k1
 */

/* when volume = max, then copy only to avoid volume modification */
/* with iMAC0 (negative values) */
static void __devinit _volume(emu10k1_fx8010_code_t *icode, u32 *ptr, u32 dst, u32 src, u32 vol)
{
      OP(icode, ptr, iMAC0, dst, C_00000000, src, vol);
      OP(icode, ptr, iANDXOR, C_00000000, vol, C_ffffffff, C_7fffffff);
      OP(icode, ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000001);
      OP(icode, ptr, iACC3, dst, src, C_00000000, C_00000000);
}
static void __devinit _volume_add(emu10k1_fx8010_code_t *icode, u32 *ptr, u32 dst, u32 src, u32 vol)
{
      OP(icode, ptr, iANDXOR, C_00000000, vol, C_ffffffff, C_7fffffff);
      OP(icode, ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000002);
      OP(icode, ptr, iMACINT0, dst, dst, src, C_00000001);
      OP(icode, ptr, iSKIP, C_00000000, C_7fffffff, C_7fffffff, C_00000001);
      OP(icode, ptr, iMAC0, dst, dst, src, vol);
}
static void __devinit _volume_out(emu10k1_fx8010_code_t *icode, u32 *ptr, u32 dst, u32 src, u32 vol)
{
      OP(icode, ptr, iANDXOR, C_00000000, vol, C_ffffffff, C_7fffffff);
      OP(icode, ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000002);
      OP(icode, ptr, iACC3, dst, src, C_00000000, C_00000000);
      OP(icode, ptr, iSKIP, C_00000000, C_7fffffff, C_7fffffff, C_00000001);
      OP(icode, ptr, iMAC0, dst, C_00000000, src, vol);
}

#define VOLUME(icode, ptr, dst, src, vol) \
            _volume(icode, ptr, GPR(dst), GPR(src), GPR(vol))
#define VOLUME_IN(icode, ptr, dst, src, vol) \
            _volume(icode, ptr, GPR(dst), EXTIN(src), GPR(vol))
#define VOLUME_ADD(icode, ptr, dst, src, vol) \
            _volume_add(icode, ptr, GPR(dst), GPR(src), GPR(vol))
#define VOLUME_ADDIN(icode, ptr, dst, src, vol) \
            _volume_add(icode, ptr, GPR(dst), EXTIN(src), GPR(vol))
#define VOLUME_OUT(icode, ptr, dst, src, vol) \
            _volume_out(icode, ptr, EXTOUT(dst), GPR(src), GPR(vol))
#define _SWITCH(icode, ptr, dst, src, sw) \
      OP((icode), ptr, iMACINT0, dst, C_00000000, src, sw);
#define SWITCH(icode, ptr, dst, src, sw) \
            _SWITCH(icode, ptr, GPR(dst), GPR(src), GPR(sw))
#define SWITCH_IN(icode, ptr, dst, src, sw) \
            _SWITCH(icode, ptr, GPR(dst), EXTIN(src), GPR(sw))
#define _SWITCH_NEG(icode, ptr, dst, src) \
      OP((icode), ptr, iANDXOR, dst, src, C_00000001, C_00000001);
#define SWITCH_NEG(icode, ptr, dst, src) \
            _SWITCH_NEG(icode, ptr, GPR(dst), GPR(src))


static int __devinit _snd_emu10k1_init_efx(emu10k1_t *emu)
{
      int err, i, z, gpr, tmp, playback, capture;
      u32 ptr;
      emu10k1_fx8010_code_t *icode;
      emu10k1_fx8010_pcm_t *ipcm = NULL;
      emu10k1_fx8010_control_gpr_t *controls = NULL, *ctl;
      u32 *gpr_map;
      mm_segment_t seg;

      spin_lock_init(&emu->fx8010.irq_lock);
      INIT_LIST_HEAD(&emu->fx8010.gpr_ctl);

      if ((icode = kzalloc(sizeof(*icode), GFP_KERNEL)) == NULL)
            return -ENOMEM;
      if ((icode->gpr_map = (u_int32_t __user *)kcalloc(256 + 160 + 160 + 2 * 512, sizeof(u_int32_t), GFP_KERNEL)) == NULL ||
            (controls = kcalloc(SND_EMU10K1_GPR_CONTROLS, sizeof(emu10k1_fx8010_control_gpr_t), GFP_KERNEL)) == NULL ||
          (ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL)) == NULL) {
            err = -ENOMEM;
            goto __err;
      }
      gpr_map = (u32 __force *)icode->gpr_map;

      icode->tram_data_map = icode->gpr_map + 256;
      icode->tram_addr_map = icode->tram_data_map + 160;
      icode->code = icode->tram_addr_map + 160;
      
      /* clear free GPRs */
      for (i = 0; i < 256; i++)
            set_bit(i, icode->gpr_valid);

      /* clear TRAM data & address lines */
      for (i = 0; i < 160; i++)
            set_bit(i, icode->tram_valid);

      strcpy(icode->name, "SB Live! FX8010 code for ALSA v1.2 by Jaroslav Kysela");
      ptr = 0; i = 0;
      /* we have 12 inputs */
      playback = SND_EMU10K1_INPUTS;
      /* we have 6 playback channels and tone control doubles */
      capture = playback + (SND_EMU10K1_PLAYBACK_CHANNELS * 2);
      gpr = capture + SND_EMU10K1_CAPTURE_CHANNELS;
      tmp = 0x88; /* we need 4 temporary GPR */
      /* from 0x8c to 0xff is the area for tone control */

      /* stop FX processor */
      snd_emu10k1_ptr_write(emu, DBG, 0, (emu->fx8010.dbg = 0) | EMU10K1_DBG_SINGLE_STEP);

      /*
       *  Process FX Buses
       */
      OP(icode, &ptr, iMACINT0, GPR(0), C_00000000, FXBUS(FXBUS_PCM_LEFT), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(1), C_00000000, FXBUS(FXBUS_PCM_RIGHT), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(2), C_00000000, FXBUS(FXBUS_MIDI_LEFT), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(3), C_00000000, FXBUS(FXBUS_MIDI_RIGHT), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(4), C_00000000, FXBUS(FXBUS_PCM_LEFT_REAR), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(5), C_00000000, FXBUS(FXBUS_PCM_RIGHT_REAR), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(6), C_00000000, FXBUS(FXBUS_PCM_CENTER), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(7), C_00000000, FXBUS(FXBUS_PCM_LFE), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(8), C_00000000, C_00000000, C_00000000);  /* S/PDIF left */
      OP(icode, &ptr, iMACINT0, GPR(9), C_00000000, C_00000000, C_00000000);  /* S/PDIF right */
      OP(icode, &ptr, iMACINT0, GPR(10), C_00000000, FXBUS(FXBUS_PCM_LEFT_FRONT), C_00000004);
      OP(icode, &ptr, iMACINT0, GPR(11), C_00000000, FXBUS(FXBUS_PCM_RIGHT_FRONT), C_00000004);

      /* Raw S/PDIF PCM */
      ipcm->substream = 0;
      ipcm->channels = 2;
      ipcm->tram_start = 0;
      ipcm->buffer_size = (64 * 1024) / 2;
      ipcm->gpr_size = gpr++;
      ipcm->gpr_ptr = gpr++;
      ipcm->gpr_count = gpr++;
      ipcm->gpr_tmpcount = gpr++;
      ipcm->gpr_trigger = gpr++;
      ipcm->gpr_running = gpr++;
      ipcm->etram[0] = 0;
      ipcm->etram[1] = 1;

      gpr_map[gpr + 0] = 0xfffff000;
      gpr_map[gpr + 1] = 0xffff0000;
      gpr_map[gpr + 2] = 0x70000000;
      gpr_map[gpr + 3] = 0x00000007;
      gpr_map[gpr + 4] = 0x001f << 11;
      gpr_map[gpr + 5] = 0x001c << 11;
      gpr_map[gpr + 6] = (0x22  - 0x01) - 1;    /* skip at 01 to 22 */
      gpr_map[gpr + 7] = (0x22  - 0x06) - 1;    /* skip at 06 to 22 */
      gpr_map[gpr + 8] = 0x2000000 + (2<<11);
      gpr_map[gpr + 9] = 0x4000000 + (2<<11);
      gpr_map[gpr + 10] = 1<<11;
      gpr_map[gpr + 11] = (0x24 - 0x0a) - 1;    /* skip at 0a to 24 */
      gpr_map[gpr + 12] = 0;

      /* if the trigger flag is not set, skip */
      /* 00: */ OP(icode, &ptr, iMAC0, C_00000000, GPR(ipcm->gpr_trigger), C_00000000, C_00000000);
      /* 01: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_ZERO, GPR(gpr + 6));
      /* if the running flag is set, we're running */
      /* 02: */ OP(icode, &ptr, iMAC0, C_00000000, GPR(ipcm->gpr_running), C_00000000, C_00000000);
      /* 03: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000004);
      /* wait until ((GPR_DBAC>>11) & 0x1f) == 0x1c) */
      /* 04: */ OP(icode, &ptr, iANDXOR, GPR(tmp + 0), GPR_DBAC, GPR(gpr + 4), C_00000000);
      /* 05: */ OP(icode, &ptr, iMACINT0, C_00000000, GPR(tmp + 0), C_ffffffff, GPR(gpr + 5));
      /* 06: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, GPR(gpr + 7));
      /* 07: */ OP(icode, &ptr, iACC3, GPR(gpr + 12), C_00000010, C_00000001, C_00000000);

      /* 08: */ OP(icode, &ptr, iANDXOR, GPR(ipcm->gpr_running), GPR(ipcm->gpr_running), C_00000000, C_00000001);
      /* 09: */ OP(icode, &ptr, iACC3, GPR(gpr + 12), GPR(gpr + 12), C_ffffffff, C_00000000);
      /* 0a: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, GPR(gpr + 11));
      /* 0b: */ OP(icode, &ptr, iACC3, GPR(gpr + 12), C_00000001, C_00000000, C_00000000);

      /* 0c: */ OP(icode, &ptr, iANDXOR, GPR(tmp + 0), ETRAM_DATA(ipcm->etram[0]), GPR(gpr + 0), C_00000000);
      /* 0d: */ OP(icode, &ptr, iLOG, GPR(tmp + 0), GPR(tmp + 0), GPR(gpr + 3), C_00000000);
      /* 0e: */ OP(icode, &ptr, iANDXOR, GPR(8), GPR(tmp + 0), GPR(gpr + 1), GPR(gpr + 2));
      /* 0f: */ OP(icode, &ptr, iSKIP, C_00000000, GPR_COND, CC_REG_MINUS, C_00000001);
      /* 10: */ OP(icode, &ptr, iANDXOR, GPR(8), GPR(8), GPR(gpr + 1), GPR(gpr + 2));

      /* 11: */ OP(icode, &ptr, iANDXOR, GPR(tmp + 0), ETRAM_DATA(ipcm->etram[1]), GPR(gpr + 0), C_00000000);
      /* 12: */ OP(icode, &ptr, iLOG, GPR(tmp + 0), GPR(tmp + 0), GPR(gpr + 3), C_00000000);
      /* 13: */ OP(icode, &ptr, iANDXOR, GPR(9), GPR(tmp + 0), GPR(gpr + 1), GPR(gpr + 2));
      /* 14: */ OP(icode, &ptr, iSKIP, C_00000000, GPR_COND, CC_REG_MINUS, C_00000001);
      /* 15: */ OP(icode, &ptr, iANDXOR, GPR(9), GPR(9), GPR(gpr + 1), GPR(gpr + 2));

      /* 16: */ OP(icode, &ptr, iACC3, GPR(tmp + 0), GPR(ipcm->gpr_ptr), C_00000001, C_00000000);
      /* 17: */ OP(icode, &ptr, iMACINT0, C_00000000, GPR(tmp + 0), C_ffffffff, GPR(ipcm->gpr_size));
      /* 18: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_MINUS, C_00000001);
      /* 19: */ OP(icode, &ptr, iACC3, GPR(tmp + 0), C_00000000, C_00000000, C_00000000);
      /* 1a: */ OP(icode, &ptr, iACC3, GPR(ipcm->gpr_ptr), GPR(tmp + 0), C_00000000, C_00000000);
      
      /* 1b: */ OP(icode, &ptr, iACC3, GPR(ipcm->gpr_tmpcount), GPR(ipcm->gpr_tmpcount), C_ffffffff, C_00000000);
      /* 1c: */ OP(icode, &ptr, iSKIP, GPR_COND, GPR_COND, CC_REG_NONZERO, C_00000002);
      /* 1d: */ OP(icode, &ptr, iACC3, GPR(ipcm->gpr_tmpcount), GPR(ipcm->gpr_count), C_00000000, C_00000000);
      /* 1e: */ OP(icode, &ptr, iACC3, GPR_IRQ, C_80000000, C_00000000, C_00000000);
      /* 1f: */ OP(icode, &ptr, iANDXOR, GPR(ipcm->gpr_running), GPR(ipcm->gpr_running), C_00000001, C_00010000);

      /* 20: */ OP(icode, &ptr, iANDXOR, GPR(ipcm->gpr_running), GPR(ipcm->gpr_running), C_00010000, C_00000001);
      /* 21: */ OP(icode, &ptr, iSKIP, C_00000000, C_7fffffff, C_7fffffff, C_00000002);

      /* 22: */ OP(icode, &ptr, iMACINT1, ETRAM_ADDR(ipcm->etram[0]), GPR(gpr + 8), GPR_DBAC, C_ffffffff);
      /* 23: */ OP(icode, &ptr, iMACINT1, ETRAM_ADDR(ipcm->etram[1]), GPR(gpr + 9), GPR_DBAC, C_ffffffff);

      /* 24: */
      gpr += 13;

      /* Wave Playback Volume */
      for (z = 0; z < 2; z++)
            VOLUME(icode, &ptr, playback + z, z, gpr + z);
      snd_emu10k1_init_stereo_control(controls + i++, "Wave Playback Volume", gpr, 100);
      gpr += 2;

      /* Wave Surround Playback Volume */
      for (z = 0; z < 2; z++)
            VOLUME(icode, &ptr, playback + 2 + z, z, gpr + z);
      snd_emu10k1_init_stereo_control(controls + i++, "Wave Surround Playback Volume", gpr, 0);
      gpr += 2;
      
      /* Wave Center/LFE Playback Volume */
      OP(icode, &ptr, iACC3, GPR(tmp + 0), FXBUS(FXBUS_PCM_LEFT), FXBUS(FXBUS_PCM_RIGHT), C_00000000);
      OP(icode, &ptr, iMACINT0, GPR(tmp + 0), C_00000000, GPR(tmp + 0), C_00000002);
      VOLUME(icode, &ptr, playback + 4, tmp + 0, gpr);
      snd_emu10k1_init_mono_control(controls + i++, "Wave Center Playback Volume", gpr++, 0);
      VOLUME(icode, &ptr, playback + 5, tmp + 0, gpr);
      snd_emu10k1_init_mono_control(controls + i++, "Wave LFE Playback Volume", gpr++, 0);

      /* Wave Capture Volume + Switch */
      for (z = 0; z < 2; z++) {
            SWITCH(icode, &ptr, tmp + 0, z, gpr + 2 + z);
            VOLUME(icode, &ptr, capture + z, tmp + 0, gpr + z);
      }
      snd_emu10k1_init_stereo_control(controls + i++, "Wave Capture Volume", gpr, 0);
      snd_emu10k1_init_stereo_onoff_control(controls + i++, "Wave Capture Switch", gpr + 2, 0);
      gpr += 4;

      /* Synth Playback Volume */
      for (z = 0; z < 2; z++)
            VOLUME_ADD(icode, &ptr, playback + z, 2 + z, gpr + z);
      snd_emu10k1_init_stereo_control(controls + i++, "Synth Playback Volume", gpr, 100);
      gpr += 2;

      /* Synth Capture Volume + Switch */
      for (z = 0; z < 2; z++) {
            SWITCH(icode, &ptr, tmp + 0, 2 + z, gpr + 2 + z);
            VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
      }
      snd_emu10k1_init_stereo_control(controls + i++, "Synth Capture Volume", gpr, 0);
      snd_emu10k1_init_stereo_onoff_control(controls + i++, "Synth Capture Switch", gpr + 2, 0);
      gpr += 4;

      /* Surround Digital Playback Volume (renamed later without Digital) */
      for (z = 0; z < 2; z++)
            VOLUME_ADD(icode, &ptr, playback + 2 + z, 4 + z, gpr + z);
      snd_emu10k1_init_stereo_control(controls + i++, "Surround Digital Playback Volume", gpr, 100);
      gpr += 2;

      /* Surround Capture Volume + Switch */
      for (z = 0; z < 2; z++) {
            SWITCH(icode, &ptr, tmp + 0, 4 + z, gpr + 2 + z);
            VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
      }
      snd_emu10k1_init_stereo_control(controls + i++, "Surround Capture Volume", gpr, 0);
      snd_emu10k1_init_stereo_onoff_control(controls + i++, "Surround Capture Switch", gpr + 2, 0);
      gpr += 4;

      /* Center Playback Volume (renamed later without Digital) */
      VOLUME_ADD(icode, &ptr, playback + 4, 6, gpr);
      snd_emu10k1_init_mono_control(controls + i++, "Center Digital Playback Volume", gpr++, 100);

      /* LFE Playback Volume + Switch (renamed later without Digital) */
      VOLUME_ADD(icode, &ptr, playback + 5, 7, gpr);
      snd_emu10k1_init_mono_control(controls + i++, "LFE Digital Playback Volume", gpr++, 100);

      /* Front Playback Volume */
      for (z = 0; z < 2; z++)
            VOLUME_ADD(icode, &ptr, playback + z, 10 + z, gpr + z);
      snd_emu10k1_init_stereo_control(controls + i++, "Front Playback Volume", gpr, 100);
      gpr += 2;

      /* Front Capture Volume + Switch */
      for (z = 0; z < 2; z++) {
            SWITCH(icode, &ptr, tmp + 0, 10 + z, gpr + 2);
            VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
      }
      snd_emu10k1_init_stereo_control(controls + i++, "Front Capture Volume", gpr, 0);
      snd_emu10k1_init_mono_onoff_control(controls + i++, "Front Capture Switch", gpr + 2, 0);
      gpr += 3;

      /*
       *  Process inputs
       */

      if (emu->fx8010.extin_mask & ((1<<EXTIN_AC97_L)|(1<<EXTIN_AC97_R))) {
            /* AC'97 Playback Volume */
            VOLUME_ADDIN(icode, &ptr, playback + 0, EXTIN_AC97_L, gpr); gpr++;
            VOLUME_ADDIN(icode, &ptr, playback + 1, EXTIN_AC97_R, gpr); gpr++;
            snd_emu10k1_init_stereo_control(controls + i++, "AC97 Playback Volume", gpr-2, 0);
            /* AC'97 Capture Volume */
            VOLUME_ADDIN(icode, &ptr, capture + 0, EXTIN_AC97_L, gpr); gpr++;
            VOLUME_ADDIN(icode, &ptr, capture + 1, EXTIN_AC97_R, gpr); gpr++;
            snd_emu10k1_init_stereo_control(controls + i++, "AC97 Capture Volume", gpr-2, 100);
      }
      
      if (emu->fx8010.extin_mask & ((1<<EXTIN_SPDIF_CD_L)|(1<<EXTIN_SPDIF_CD_R))) {
            /* IEC958 TTL Playback Volume */
            for (z = 0; z < 2; z++)
                  VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_SPDIF_CD_L + z, gpr + z);
            snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("TTL ",PLAYBACK,VOLUME), gpr, 0);
            gpr += 2;
      
            /* IEC958 TTL Capture Volume + Switch */
            for (z = 0; z < 2; z++) {
                  SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_SPDIF_CD_L + z, gpr + 2 + z);
                  VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
            }
            snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("TTL ",CAPTURE,VOLUME), gpr, 0);
            snd_emu10k1_init_stereo_onoff_control(controls + i++, SNDRV_CTL_NAME_IEC958("TTL ",CAPTURE,SWITCH), gpr + 2, 0);
            gpr += 4;
      }
      
      if (emu->fx8010.extin_mask & ((1<<EXTIN_ZOOM_L)|(1<<EXTIN_ZOOM_R))) {
            /* Zoom Video Playback Volume */
            for (z = 0; z < 2; z++)
                  VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_ZOOM_L + z, gpr + z);
            snd_emu10k1_init_stereo_control(controls + i++, "Zoom Video Playback Volume", gpr, 0);
            gpr += 2;
      
            /* Zoom Video Capture Volume + Switch */
            for (z = 0; z < 2; z++) {
                  SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_ZOOM_L + z, gpr + 2 + z);
                  VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
            }
            snd_emu10k1_init_stereo_control(controls + i++, "Zoom Video Capture Volume", gpr, 0);
            snd_emu10k1_init_stereo_onoff_control(controls + i++, "Zoom Video Capture Switch", gpr + 2, 0);
            gpr += 4;
      }
      
      if (emu->fx8010.extin_mask & ((1<<EXTIN_TOSLINK_L)|(1<<EXTIN_TOSLINK_R))) {
            /* IEC958 Optical Playback Volume */
            for (z = 0; z < 2; z++)
                  VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_TOSLINK_L + z, gpr + z);
            snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("LiveDrive ",PLAYBACK,VOLUME), gpr, 0);
            gpr += 2;
      
            /* IEC958 Optical Capture Volume */
            for (z = 0; z < 2; z++) {
                  SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_TOSLINK_L + z, gpr + 2 + z);
                  VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
            }
            snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("LiveDrive ",CAPTURE,VOLUME), gpr, 0);
            snd_emu10k1_init_stereo_onoff_control(controls + i++, SNDRV_CTL_NAME_IEC958("LiveDrive ",CAPTURE,SWITCH), gpr + 2, 0);
            gpr += 4;
      }
      
      if (emu->fx8010.extin_mask & ((1<<EXTIN_LINE1_L)|(1<<EXTIN_LINE1_R))) {
            /* Line LiveDrive Playback Volume */
            for (z = 0; z < 2; z++)
                  VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_LINE1_L + z, gpr + z);
            snd_emu10k1_init_stereo_control(controls + i++, "Line LiveDrive Playback Volume", gpr, 0);
            gpr += 2;
      
            /* Line LiveDrive Capture Volume + Switch */
            for (z = 0; z < 2; z++) {
                  SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_LINE1_L + z, gpr + 2 + z);
                  VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
            }
            snd_emu10k1_init_stereo_control(controls + i++, "Line LiveDrive Capture Volume", gpr, 0);
            snd_emu10k1_init_stereo_onoff_control(controls + i++, "Line LiveDrive Capture Switch", gpr + 2, 0);
            gpr += 4;
      }
      
      if (emu->fx8010.extin_mask & ((1<<EXTIN_COAX_SPDIF_L)|(1<<EXTIN_COAX_SPDIF_R))) {
            /* IEC958 Coax Playback Volume */
            for (z = 0; z < 2; z++)
                  VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_COAX_SPDIF_L + z, gpr + z);
            snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("Coaxial ",PLAYBACK,VOLUME), gpr, 0);
            gpr += 2;
      
            /* IEC958 Coax Capture Volume + Switch */
            for (z = 0; z < 2; z++) {
                  SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_COAX_SPDIF_L + z, gpr + 2 + z);
                  VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
            }
            snd_emu10k1_init_stereo_control(controls + i++, SNDRV_CTL_NAME_IEC958("Coaxial ",CAPTURE,VOLUME), gpr, 0);
            snd_emu10k1_init_stereo_onoff_control(controls + i++, SNDRV_CTL_NAME_IEC958("Coaxial ",CAPTURE,SWITCH), gpr + 2, 0);
            gpr += 4;
      }
      
      if (emu->fx8010.extin_mask & ((1<<EXTIN_LINE2_L)|(1<<EXTIN_LINE2_R))) {
            /* Line LiveDrive Playback Volume */
            for (z = 0; z < 2; z++)
                  VOLUME_ADDIN(icode, &ptr, playback + z, EXTIN_LINE2_L + z, gpr + z);
            snd_emu10k1_init_stereo_control(controls + i++, "Line2 LiveDrive Playback Volume", gpr, 0);
            controls[i-1].id.index = 1;
            gpr += 2;
      
            /* Line LiveDrive Capture Volume */
            for (z = 0; z < 2; z++) {
                  SWITCH_IN(icode, &ptr, tmp + 0, EXTIN_LINE2_L + z, gpr + 2 + z);
                  VOLUME_ADD(icode, &ptr, capture + z, tmp + 0, gpr + z);
            }
            snd_emu10k1_init_stereo_control(controls + i++, "Line2 LiveDrive Capture Volume", gpr, 0);
            controls[i-1].id.index = 1;
            snd_emu10k1_init_stereo_onoff_control(controls + i++, "Line2 LiveDrive Capture Switch", gpr + 2, 0);
            controls[i-1].id.index = 1;
            gpr += 4;
      }

      /*
       *  Process tone control
       */
      OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 0), GPR(playback + 0), C_00000000, C_00000000); /* left */
      OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 1), GPR(playback + 1), C_00000000, C_00000000); /* right */
      OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 2), GPR(playback + 2), C_00000000, C_00000000); /* rear left */
      OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 3), GPR(playback + 3), C_00000000, C_00000000); /* rear right */
      OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 4), GPR(playback + 4), C_00000000, C_00000000); /* center */
      OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 5), GPR(playback + 5), C_00000000, C_00000000); /* LFE */

      ctl = &controls[i + 0];
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, "Tone Control - Bass");
      ctl->vcount = 2;
      ctl->count = 10;
      ctl->min = 0;
      ctl->max = 40;
      ctl->value[0] = ctl->value[1] = 20;
      ctl->translation = EMU10K1_GPR_TRANSLATION_BASS;
      ctl = &controls[i + 1];
      ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
      strcpy(ctl->id.name, "Tone Control - Treble");
      ctl->vcount = 2;
      ctl->count = 10;
      ctl->min = 0;
      ctl->max = 40;
      ctl->value[0] = ctl->value[1] = 20;
      ctl->translation = EMU10K1_GPR_TRANSLATION_TREBLE;

#define BASS_GPR  0x8c
#define TREBLE_GPR      0x96

      for (z = 0; z < 5; z++) {
            int j;
            for (j = 0; j < 2; j++) {
                  controls[i + 0].gpr[z * 2 + j] = BASS_GPR + z * 2 + j;
                  controls[i + 1].gpr[z * 2 + j] = TREBLE_GPR + z * 2 + j;
            }
      }
      for (z = 0; z < 3; z++) {           /* front/rear/center-lfe */
            int j, k, l, d;
            for (j = 0; j < 2; j++) {     /* left/right */
                  k = 0xa0 + (z * 8) + (j * 4);
                  l = 0xd0 + (z * 8) + (j * 4);
                  d = playback + SND_EMU10K1_PLAYBACK_CHANNELS + z * 2 + j;

                  OP(icode, &ptr, iMAC0, C_00000000, C_00000000, GPR(d), GPR(BASS_GPR + 0 + j));
                  OP(icode, &ptr, iMACMV, GPR(k+1), GPR(k), GPR(k+1), GPR(BASS_GPR + 4 + j));
                  OP(icode, &ptr, iMACMV, GPR(k), GPR(d), GPR(k), GPR(BASS_GPR + 2 + j));
                  OP(icode, &ptr, iMACMV, GPR(k+3), GPR(k+2), GPR(k+3), GPR(BASS_GPR + 8 + j));
                  OP(icode, &ptr, iMAC0, GPR(k+2), GPR_ACCU, GPR(k+2), GPR(BASS_GPR + 6 + j));
                  OP(icode, &ptr, iACC3, GPR(k+2), GPR(k+2), GPR(k+2), C_00000000);

                  OP(icode, &ptr, iMAC0, C_00000000, C_00000000, GPR(k+2), GPR(TREBLE_GPR + 0 + j));
                  OP(icode, &ptr, iMACMV, GPR(l+1), GPR(l), GPR(l+1), GPR(TREBLE_GPR + 4 + j));
                  OP(icode, &ptr, iMACMV, GPR(l), GPR(k+2), GPR(l), GPR(TREBLE_GPR + 2 + j));
                  OP(icode, &ptr, iMACMV, GPR(l+3), GPR(l+2), GPR(l+3), GPR(TREBLE_GPR + 8 + j));
                  OP(icode, &ptr, iMAC0, GPR(l+2), GPR_ACCU, GPR(l+2), GPR(TREBLE_GPR + 6 + j));
                  OP(icode, &ptr, iMACINT0, GPR(l+2), C_00000000, GPR(l+2), C_00000010);

                  OP(icode, &ptr, iACC3, GPR(d), GPR(l+2), C_00000000, C_00000000);

                  if (z == 2) /* center */
                        break;
            }
      }
      i += 2;

#undef BASS_GPR
#undef TREBLE_GPR

      for (z = 0; z < 6; z++) {
            SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr + 0);
            SWITCH_NEG(icode, &ptr, tmp + 1, gpr + 0);
            SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1);
            OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), GPR(tmp + 0), GPR(tmp + 1), C_00000000);
      }
      snd_emu10k1_init_stereo_onoff_control(controls + i++, "Tone Control - Switch", gpr, 0);
      gpr += 2;

      /*
       *  Process outputs
       */
      if (emu->fx8010.extout_mask & ((1<<EXTOUT_AC97_L)|(1<<EXTOUT_AC97_R))) {
            /* AC'97 Playback Volume */

            for (z = 0; z < 2; z++)
                  OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_AC97_L + z), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), C_00000000, C_00000000);
      }

      if (emu->fx8010.extout_mask & ((1<<EXTOUT_TOSLINK_L)|(1<<EXTOUT_TOSLINK_R))) {
            /* IEC958 Optical Raw Playback Switch */

            for (z = 0; z < 2; z++) {
                  SWITCH(icode, &ptr, tmp + 0, 8 + z, gpr + z);
                  SWITCH_NEG(icode, &ptr, tmp + 1, gpr + z);
                  SWITCH(icode, &ptr, tmp + 1, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, tmp + 1);
                  OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_TOSLINK_L + z), GPR(tmp + 0), GPR(tmp + 1), C_00000000);
#ifdef EMU10K1_CAPTURE_DIGITAL_OUT
                  OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_ADC_CAP_L + z), GPR(tmp + 0), GPR(tmp + 1), C_00000000);
#endif
            }

            snd_emu10k1_init_stereo_onoff_control(controls + i++, SNDRV_CTL_NAME_IEC958("Optical Raw ",PLAYBACK,SWITCH), gpr, 0);
            gpr += 2;
      }

      if (emu->fx8010.extout_mask & ((1<<EXTOUT_HEADPHONE_L)|(1<<EXTOUT_HEADPHONE_R))) {
            /* Headphone Playback Volume */

            for (z = 0; z < 2; z++) {
                  SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + 4 + z, gpr + 2 + z);
                  SWITCH_NEG(icode, &ptr, tmp + 1, gpr + 2 + z);
                  SWITCH(icode, &ptr, tmp + 1, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, tmp + 1);
                  OP(icode, &ptr, iACC3, GPR(tmp + 0), GPR(tmp + 0), GPR(tmp + 1), C_00000000);
                  VOLUME_OUT(icode, &ptr, EXTOUT_HEADPHONE_L + z, tmp + 0, gpr + z);
            }

            snd_emu10k1_init_stereo_control(controls + i++, "Headphone Playback Volume", gpr + 0, 0);
            controls[i-1].id.index = 1;   /* AC'97 can have also Headphone control */
            snd_emu10k1_init_mono_onoff_control(controls + i++, "Headphone Center Playback Switch", gpr + 2, 0);
            controls[i-1].id.index = 1;
            snd_emu10k1_init_mono_onoff_control(controls + i++, "Headphone LFE Playback Switch", gpr + 3, 0);
            controls[i-1].id.index = 1;

            gpr += 4;
      }
      
      if (emu->fx8010.extout_mask & ((1<<EXTOUT_REAR_L)|(1<<EXTOUT_REAR_R)))
            for (z = 0; z < 2; z++)
                  OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_REAR_L + z), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 2 + z), C_00000000, C_00000000);

      if (emu->fx8010.extout_mask & ((1<<EXTOUT_AC97_REAR_L)|(1<<EXTOUT_AC97_REAR_R)))
            for (z = 0; z < 2; z++)
                  OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_AC97_REAR_L + z), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 2 + z), C_00000000, C_00000000);

      if (emu->fx8010.extout_mask & (1<<EXTOUT_AC97_CENTER)) {
#ifndef EMU10K1_CENTER_LFE_FROM_FRONT
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_AC97_CENTER), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 4), C_00000000, C_00000000);
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_ACENTER), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 4), C_00000000, C_00000000);
#else
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_AC97_CENTER), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 0), C_00000000, C_00000000);
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_ACENTER), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 0), C_00000000, C_00000000);
#endif
      }

      if (emu->fx8010.extout_mask & (1<<EXTOUT_AC97_LFE)) {
#ifndef EMU10K1_CENTER_LFE_FROM_FRONT
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_AC97_LFE), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 5), C_00000000, C_00000000);
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_ALFE), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 5), C_00000000, C_00000000);
#else
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_AC97_LFE), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 1), C_00000000, C_00000000);
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_ALFE), GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + 1), C_00000000, C_00000000);
#endif
      }
      
#ifndef EMU10K1_CAPTURE_DIGITAL_OUT
      for (z = 0; z < 2; z++)
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_ADC_CAP_L + z), GPR(capture + z), C_00000000, C_00000000);
#endif
      
      if (emu->fx8010.extout_mask & (1<<EXTOUT_MIC_CAP))
            OP(icode, &ptr, iACC3, EXTOUT(EXTOUT_MIC_CAP), GPR(capture + 2), C_00000000, C_00000000);

      /* EFX capture - capture the 16 EXTINS */
      if (emu->card_capabilities->sblive51) {
            /* On the Live! 5.1, FXBUS2(1) and FXBUS(2) are shared with EXTOUT_ACENTER
             * and EXTOUT_ALFE, so we can't connect inputs to them for multitrack recording.
             *
             * Since only 14 of the 16 EXTINs are used, this is not a big problem.  
             * We route AC97L and R to FX capture 14 and 15, SPDIF CD in to FX capture 
             * 0 and 3, then the rest of the EXTINs to the corresponding FX capture 
             * channel.  Multitrack recorders will still see the center/lfe output signal 
             * on the second and third channels.
             */
            OP(icode, &ptr, iACC3, FXBUS2(14), C_00000000, C_00000000, EXTIN(0));
            OP(icode, &ptr, iACC3, FXBUS2(15), C_00000000, C_00000000, EXTIN(1));
            OP(icode, &ptr, iACC3, FXBUS2(0), C_00000000, C_00000000, EXTIN(2));
            OP(icode, &ptr, iACC3, FXBUS2(3), C_00000000, C_00000000, EXTIN(3));
            for (z = 4; z < 14; z++)
                  OP(icode, &ptr, iACC3, FXBUS2(z), C_00000000, C_00000000, EXTIN(z));
      } else {
            for (z = 0; z < 16; z++)
                  OP(icode, &ptr, iACC3, FXBUS2(z), C_00000000, C_00000000, EXTIN(z));
      }
          

      if (gpr > tmp) {
            snd_BUG();
            err = -EIO;
            goto __err;
      }
      if (i > SND_EMU10K1_GPR_CONTROLS) {
            snd_BUG();
            err = -EIO;
            goto __err;
      }
      
      /* clear remaining instruction memory */
      while (ptr < 0x200)
            OP(icode, &ptr, iACC3, C_00000000, C_00000000, C_00000000, C_00000000);

      if ((err = snd_emu10k1_fx8010_tram_setup(emu, ipcm->buffer_size)) < 0)
            goto __err;
      seg = snd_enter_user();
      icode->gpr_add_control_count = i;
      icode->gpr_add_controls = (emu10k1_fx8010_control_gpr_t __user *)controls;
      err = snd_emu10k1_icode_poke(emu, icode);
      snd_leave_user(seg);
      if (err >= 0)
            err = snd_emu10k1_ipcm_poke(emu, ipcm);
      __err:
      kfree(ipcm);
      kfree(controls);
      if (icode != NULL) {
            kfree((void __force *)icode->gpr_map);
            kfree(icode);
      }
      return err;
}

int __devinit snd_emu10k1_init_efx(emu10k1_t *emu)
{
      if (emu->audigy)
            return _snd_emu10k1_audigy_init_efx(emu);
      else
            return _snd_emu10k1_init_efx(emu);
}

void snd_emu10k1_free_efx(emu10k1_t *emu)
{
      /* stop processor */
      if (emu->audigy)
            snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg = A_DBG_SINGLE_STEP);
      else
            snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg = EMU10K1_DBG_SINGLE_STEP);
}

#if 0 // FIXME: who use them?
int snd_emu10k1_fx8010_tone_control_activate(emu10k1_t *emu, int output)
{
      if (output < 0 || output >= 6)
            return -EINVAL;
      snd_emu10k1_ptr_write(emu, emu->gpr_base + 0x94 + output, 0, 1);
      return 0;
}

int snd_emu10k1_fx8010_tone_control_deactivate(emu10k1_t *emu, int output)
{
      if (output < 0 || output >= 6)
            return -EINVAL;
      snd_emu10k1_ptr_write(emu, emu->gpr_base + 0x94 + output, 0, 0);
      return 0;
}
#endif

int snd_emu10k1_fx8010_tram_setup(emu10k1_t *emu, u32 size)
{
      u8 size_reg = 0;

      /* size is in samples */
      if (size != 0) {
            size = (size - 1) >> 13;

            while (size) {
                  size >>= 1;
                  size_reg++;
            }
            size = 0x2000 << size_reg;
      }
      if ((emu->fx8010.etram_pages.bytes / 2) == size)
            return 0;
      spin_lock_irq(&emu->emu_lock);
      outl(HCFG_LOCKTANKCACHE_MASK | inl(emu->port + HCFG), emu->port + HCFG);
      spin_unlock_irq(&emu->emu_lock);
      snd_emu10k1_ptr_write(emu, TCB, 0, 0);
      snd_emu10k1_ptr_write(emu, TCBS, 0, 0);
      if (emu->fx8010.etram_pages.area != NULL) {
            snd_dma_free_pages(&emu->fx8010.etram_pages);
            emu->fx8010.etram_pages.area = NULL;
            emu->fx8010.etram_pages.bytes = 0;
      }

      if (size > 0) {
            if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci),
                              size * 2, &emu->fx8010.etram_pages) < 0)
                  return -ENOMEM;
            memset(emu->fx8010.etram_pages.area, 0, size * 2);
            snd_emu10k1_ptr_write(emu, TCB, 0, emu->fx8010.etram_pages.addr);
            snd_emu10k1_ptr_write(emu, TCBS, 0, size_reg);
            spin_lock_irq(&emu->emu_lock);
            outl(inl(emu->port + HCFG) & ~HCFG_LOCKTANKCACHE_MASK, emu->port + HCFG);
            spin_unlock_irq(&emu->emu_lock);    
      }

      return 0;
}

static int snd_emu10k1_fx8010_open(snd_hwdep_t * hw, struct file *file)
{
      return 0;
}

static void copy_string(char *dst, char *src, char *null, int idx)
{
      if (src == NULL)
            sprintf(dst, "%s %02X", null, idx);
      else
            strcpy(dst, src);
}

static int snd_emu10k1_fx8010_info(emu10k1_t *emu, emu10k1_fx8010_info_t *info)
{
      char **fxbus, **extin, **extout;
      unsigned short fxbus_mask, extin_mask, extout_mask;
      int res;

      memset(info, 0, sizeof(info));
      info->internal_tram_size = emu->fx8010.itram_size;
      info->external_tram_size = emu->fx8010.etram_pages.bytes / 2;
      fxbus = fxbuses;
      extin = emu->audigy ? audigy_ins : creative_ins;
      extout = emu->audigy ? audigy_outs : creative_outs;
      fxbus_mask = emu->fx8010.fxbus_mask;
      extin_mask = emu->fx8010.extin_mask;
      extout_mask = emu->fx8010.extout_mask;
      for (res = 0; res < 16; res++, fxbus++, extin++, extout++) {
            copy_string(info->fxbus_names[res], fxbus_mask & (1 << res) ? *fxbus : NULL, "FXBUS", res);
            copy_string(info->extin_names[res], extin_mask & (1 << res) ? *extin : NULL, "Unused", res);
            copy_string(info->extout_names[res], extout_mask & (1 << res) ? *extout : NULL, "Unused", res);
      }
      for (res = 16; res < 32; res++, extout++)
            copy_string(info->extout_names[res], extout_mask & (1 << res) ? *extout : NULL, "Unused", res);
      info->gpr_controls = emu->fx8010.gpr_count;
      return 0;
}

static int snd_emu10k1_fx8010_ioctl(snd_hwdep_t * hw, struct file *file, unsigned int cmd, unsigned long arg)
{
      emu10k1_t *emu = hw->private_data;
      emu10k1_fx8010_info_t *info;
      emu10k1_fx8010_code_t *icode;
      emu10k1_fx8010_pcm_t *ipcm;
      unsigned int addr;
      void __user *argp = (void __user *)arg;
      int res;
      
      switch (cmd) {
      case SNDRV_EMU10K1_IOCTL_INFO:
            info = (emu10k1_fx8010_info_t *)kmalloc(sizeof(*info), GFP_KERNEL);
            if (!info)
                  return -ENOMEM;
            if ((res = snd_emu10k1_fx8010_info(emu, info)) < 0) {
                  kfree(info);
                  return res;
            }
            if (copy_to_user(argp, info, sizeof(*info))) {
                  kfree(info);
                  return -EFAULT;
            }
            kfree(info);
            return 0;
      case SNDRV_EMU10K1_IOCTL_CODE_POKE:
            if (!capable(CAP_SYS_ADMIN))
                  return -EPERM;
            icode = (emu10k1_fx8010_code_t *)kmalloc(sizeof(*icode), GFP_KERNEL);
            if (icode == NULL)
                  return -ENOMEM;
            if (copy_from_user(icode, argp, sizeof(*icode))) {
                  kfree(icode);
                  return -EFAULT;
            }
            res = snd_emu10k1_icode_poke(emu, icode);
            kfree(icode);
            return res;
      case SNDRV_EMU10K1_IOCTL_CODE_PEEK:
            icode = (emu10k1_fx8010_code_t *)kmalloc(sizeof(*icode), GFP_KERNEL);
            if (icode == NULL)
                  return -ENOMEM;
            if (copy_from_user(icode, argp, sizeof(*icode))) {
                  kfree(icode);
                  return -EFAULT;
            }
            res = snd_emu10k1_icode_peek(emu, icode);
            if (res == 0 && copy_to_user(argp, icode, sizeof(*icode))) {
                  kfree(icode);
                  return -EFAULT;
            }
            kfree(icode);
            return res;
      case SNDRV_EMU10K1_IOCTL_PCM_POKE:
            ipcm = (emu10k1_fx8010_pcm_t *)kmalloc(sizeof(*ipcm), GFP_KERNEL);
            if (ipcm == NULL)
                  return -ENOMEM;
            if (copy_from_user(ipcm, argp, sizeof(*ipcm))) {
                  kfree(ipcm);
                  return -EFAULT;
            }
            res = snd_emu10k1_ipcm_poke(emu, ipcm);
            kfree(ipcm);
            return res;
      case SNDRV_EMU10K1_IOCTL_PCM_PEEK:
            ipcm = kzalloc(sizeof(*ipcm), GFP_KERNEL);
            if (ipcm == NULL)
                  return -ENOMEM;
            if (copy_from_user(ipcm, argp, sizeof(*ipcm))) {
                  kfree(ipcm);
                  return -EFAULT;
            }
            res = snd_emu10k1_ipcm_peek(emu, ipcm);
            if (res == 0 && copy_to_user(argp, ipcm, sizeof(*ipcm))) {
                  kfree(ipcm);
                  return -EFAULT;
            }
            kfree(ipcm);
            return res;
      case SNDRV_EMU10K1_IOCTL_TRAM_SETUP:
            if (!capable(CAP_SYS_ADMIN))
                  return -EPERM;
            if (get_user(addr, (unsigned int __user *)argp))
                  return -EFAULT;
            down(&emu->fx8010.lock);
            res = snd_emu10k1_fx8010_tram_setup(emu, addr);
            up(&emu->fx8010.lock);
            return res;
      case SNDRV_EMU10K1_IOCTL_STOP:
            if (!capable(CAP_SYS_ADMIN))
                  return -EPERM;
            if (emu->audigy)
                  snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg |= A_DBG_SINGLE_STEP);
            else
                  snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg |= EMU10K1_DBG_SINGLE_STEP);
            return 0;
      case SNDRV_EMU10K1_IOCTL_CONTINUE:
            if (!capable(CAP_SYS_ADMIN))
                  return -EPERM;
            if (emu->audigy)
                  snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg = 0);
            else
                  snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg = 0);
            return 0;
      case SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER:
            if (!capable(CAP_SYS_ADMIN))
                  return -EPERM;
            if (emu->audigy)
                  snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg | A_DBG_ZC);
            else
                  snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg | EMU10K1_DBG_ZC);
            udelay(10);
            if (emu->audigy)
                  snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg);
            else
                  snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg);
            return 0;
      case SNDRV_EMU10K1_IOCTL_SINGLE_STEP:
            if (!capable(CAP_SYS_ADMIN))
                  return -EPERM;
            if (get_user(addr, (unsigned int __user *)argp))
                  return -EFAULT;
            if (addr > 0x1ff)
                  return -EINVAL;
            if (emu->audigy)
                  snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg |= A_DBG_SINGLE_STEP | addr);
            else
                  snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg |= EMU10K1_DBG_SINGLE_STEP | addr);
            udelay(10);
            if (emu->audigy)
                  snd_emu10k1_ptr_write(emu, A_DBG, 0, emu->fx8010.dbg |= A_DBG_SINGLE_STEP | A_DBG_STEP_ADDR | addr);
            else
                  snd_emu10k1_ptr_write(emu, DBG, 0, emu->fx8010.dbg |= EMU10K1_DBG_SINGLE_STEP | EMU10K1_DBG_STEP | addr);
            return 0;
      case SNDRV_EMU10K1_IOCTL_DBG_READ:
            if (emu->audigy)
                  addr = snd_emu10k1_ptr_read(emu, A_DBG, 0);
            else
                  addr = snd_emu10k1_ptr_read(emu, DBG, 0);
            if (put_user(addr, (unsigned int __user *)argp))
                  return -EFAULT;
            return 0;
      }
      return -ENOTTY;
}

static int snd_emu10k1_fx8010_release(snd_hwdep_t * hw, struct file *file)
{
      return 0;
}

int __devinit snd_emu10k1_fx8010_new(emu10k1_t *emu, int device, snd_hwdep_t ** rhwdep)
{
      snd_hwdep_t *hw;
      int err;
      
      if (rhwdep)
            *rhwdep = NULL;
      if ((err = snd_hwdep_new(emu->card, "FX8010", device, &hw)) < 0)
            return err;
      strcpy(hw->name, "EMU10K1 (FX8010)");
      hw->iface = SNDRV_HWDEP_IFACE_EMU10K1;
      hw->ops.open = snd_emu10k1_fx8010_open;
      hw->ops.ioctl = snd_emu10k1_fx8010_ioctl;
      hw->ops.release = snd_emu10k1_fx8010_release;
      hw->private_data = emu;
      if (rhwdep)
            *rhwdep = hw;
      return 0;
}

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