[ALSA] Remove sequencer instrument layer

Remove sequencer instrument layer from the tree.
This mechanism hasn't been used much with the actual devices.  The only
reasonable user was OPL3 loader, and now it was rewritten to use hwdep
instead.  So, let's remove the rest of rotten codes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 0 insertions, 634 deletions

diff --git a/sound/isa/gus/gus_simple.c b/sound/isa/gus/gus_simple.c
deleted file mode 100644
index 39d121e2c8c..00000000000
--- a/sound/isa/gus/gus_simple.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/*
- *  Routines for Gravis UltraSound soundcards - Simple instrument handlers
- *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
- *
- *
- *   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/time.h>
-#include <sound/core.h>
-#include <sound/gus.h>
-#include "gus_tables.h"
-
-/*
- *
- */
-
-static void interrupt_wave(struct snd_gus_card *gus, struct snd_gus_voice *voice);
-static void interrupt_volume(struct snd_gus_card *gus, struct snd_gus_voice *voice);
-static void interrupt_effect(struct snd_gus_card *gus, struct snd_gus_voice *voice);
-
-static void sample_start(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position);
-static void sample_stop(struct snd_gus_card *gus, struct snd_gus_voice *voice, int mode);
-static void sample_freq(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_frequency_t freq);
-static void sample_volume(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_volume *volume);
-static void sample_loop(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_loop *loop);
-static void sample_pos(struct snd_gus_card *card, struct snd_gus_voice *voice, snd_seq_position_t position);
-static void sample_private1(struct snd_gus_card *card, struct snd_gus_voice *voice, unsigned char *data);
-
-static struct snd_gus_sample_ops sample_ops = {
-	sample_start,
-	sample_stop,
-	sample_freq,
-	sample_volume,
-	sample_loop,
-	sample_pos,
-	sample_private1
-};
-
-#if 0
-
-static void note_stop(struct snd_gus_card *gus, struct snd_gus_voice *voice, int wait);
-static void note_wait(struct snd_gus_card *gus, struct snd_gus_voice *voice);
-static void note_off(struct snd_gus_card *gus, struct snd_gus_voice *voice);
-static void note_volume(struct snd_gus_card *card, struct snd_gus_voice *voice);
-static void note_pitchbend(struct snd_gus_card *card, struct snd_gus_voice *voice);
-static void note_vibrato(struct snd_gus_card *card, struct snd_gus_voice *voice);
-static void note_tremolo(struct snd_gus_card *card, struct snd_gus_voice *voice);
-
-static struct snd_gus_note_handlers note_commands = {
-	note_stop,
-	note_wait,
-	note_off,
-	note_volume,
-	note_pitchbend,
-	note_vibrato,
-	note_tremolo
-};
-
-static void chn_trigger_down(struct snd_gus_card *card, ultra_channel_t *channel, ultra_instrument_t *instrument, unsigned char note, unsigned char velocity, unsigned char priority );
-static void chn_trigger_up( ultra_card_t *card, ultra_note_t *note );
-static void chn_control( ultra_card_t *card, ultra_channel_t *channel, unsigned short p1, unsigned short p2 );
-
-static struct ULTRA_STRU_INSTRUMENT_CHANNEL_COMMANDS channel_commands = {
-  chn_trigger_down,
-  chn_trigger_up,
-  chn_control
-};
-
-#endif
-
-static void do_volume_envelope(struct snd_gus_card *card, struct snd_gus_voice *voice);
-static void do_pan_envelope(struct snd_gus_card *card, struct snd_gus_voice *voice);
-
-/*
- *
- */
-
-static void interrupt_wave(struct snd_gus_card *gus, struct snd_gus_voice *voice)
-{
-	spin_lock(&gus->event_lock);
-	snd_gf1_stop_voice(gus, voice->number);
-	spin_lock(&gus->reg_lock);
-	snd_gf1_select_voice(gus, voice->number);
-	snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0);
-	spin_unlock(&gus->reg_lock);
-	voice->flags &= ~SNDRV_GF1_VFLG_RUNNING;
-	spin_unlock(&gus->event_lock);
-}
-
-static void interrupt_volume(struct snd_gus_card *gus, struct snd_gus_voice *voice)
-{
-	spin_lock(&gus->event_lock);
-	if (voice->flags & SNDRV_GF1_VFLG_RUNNING)
-		do_volume_envelope(gus, voice);
-	else
-		snd_gf1_stop_voice(gus, voice->number);
-	spin_unlock(&gus->event_lock);
-}
-
-static void interrupt_effect(struct snd_gus_card *gus, struct snd_gus_voice *voice)
-{
-	spin_lock(&gus->event_lock);
-	if ((voice->flags & (SNDRV_GF1_VFLG_RUNNING|SNDRV_GF1_VFLG_EFFECT_TIMER1)) ==
-	                    (SNDRV_GF1_VFLG_RUNNING|SNDRV_GF1_VFLG_EFFECT_TIMER1))
-		do_pan_envelope(gus, voice);
-	spin_unlock(&gus->event_lock);
-}
-
-/*
- *
- */
-
-static void do_volume_envelope(struct snd_gus_card *gus, struct snd_gus_voice *voice)
-{
-	unsigned short next, rate, old_volume;
-	int program_next_ramp;
-	unsigned long flags;
-  
-	if (!gus->gf1.volume_ramp) {
-		spin_lock_irqsave(&gus->reg_lock, flags);
-		snd_gf1_select_voice(gus, voice->number);
-		snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
-		snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, voice->gf1_volume);
-		/* printk("gf1_volume = 0x%x\n", voice->gf1_volume); */
-		spin_unlock_irqrestore(&gus->reg_lock, flags);
-		return;
-	}
-	program_next_ramp = 0;
-	rate = next = 0;
-	while (1) {
-		program_next_ramp = 0;
-		rate = next = 0;
-		switch (voice->venv_state) {
-		case VENV_BEFORE:
-			voice->venv_state = VENV_ATTACK;
-			voice->venv_value_next = 0;
-			spin_lock_irqsave(&gus->reg_lock, flags);
-			snd_gf1_select_voice(gus, voice->number);
-			snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
-			snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME);
-			spin_unlock_irqrestore(&gus->reg_lock, flags);
-			break;
-		case VENV_ATTACK:
-			voice->venv_state = VENV_SUSTAIN;
-			program_next_ramp++;
-			next = 255;
-			rate = gus->gf1.volume_ramp;
-			break;
-		case VENV_SUSTAIN:
-			voice->venv_state = VENV_RELEASE;
-			spin_lock_irqsave(&gus->reg_lock, flags);
-			snd_gf1_select_voice(gus, voice->number);
-			snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
- 			snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, ((int)voice->gf1_volume * (int)voice->venv_value_next) / 255);
-			spin_unlock_irqrestore(&gus->reg_lock, flags);
-			return;
-		case VENV_RELEASE:
-			voice->venv_state = VENV_DONE;
-			program_next_ramp++;
-			next = 0;
-			rate = gus->gf1.volume_ramp;
-			break;
-		case VENV_DONE:
-			snd_gf1_stop_voice(gus, voice->number);
-			voice->flags &= ~SNDRV_GF1_VFLG_RUNNING;
-			return;
-		case VENV_VOLUME:
-			program_next_ramp++;
-			next = voice->venv_value_next;
-			rate = gus->gf1.volume_ramp;
-			voice->venv_state = voice->venv_state_prev;
-			break;
-		}
-		voice->venv_value_next = next;
-		if (!program_next_ramp)
-			continue;
-		spin_lock_irqsave(&gus->reg_lock, flags);
-		snd_gf1_select_voice(gus, voice->number);
-		snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
-		old_volume = snd_gf1_read16(gus, SNDRV_GF1_VW_VOLUME) >> 8;
-		if (!rate) {
-			spin_unlock_irqrestore(&gus->reg_lock, flags);			
-			continue;
-		}
-		next = (((int)voice->gf1_volume * (int)next) / 255) >> 8;
-		if (old_volume < SNDRV_GF1_MIN_OFFSET)
-			old_volume = SNDRV_GF1_MIN_OFFSET;
-		if (next < SNDRV_GF1_MIN_OFFSET)
-			next = SNDRV_GF1_MIN_OFFSET;
-		if (next > SNDRV_GF1_MAX_OFFSET)
-			next = SNDRV_GF1_MAX_OFFSET;
-		if (old_volume == next) {
-			spin_unlock_irqrestore(&gus->reg_lock, flags);
-			continue;
-		}
-		voice->volume_control &= ~0xc3;
-		voice->volume_control |= 0x20;
-		if (old_volume > next) {
-			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, next);
-			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, old_volume);
-			voice->volume_control |= 0x40;
-		} else {
-			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, old_volume);
-			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, next);
-		}
-		snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, rate);
-		snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, voice->volume_control);
-		if (!gus->gf1.enh_mode) {
-			snd_gf1_delay(gus);
-			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, voice->volume_control);
-		}
-		spin_unlock_irqrestore(&gus->reg_lock, flags);			
-		return;
-	}
-}
-
-static void do_pan_envelope(struct snd_gus_card *gus, struct snd_gus_voice *voice)
-{
-	unsigned long flags;
-	unsigned char old_pan;
-
-#if 0
-	snd_gf1_select_voice(gus, voice->number);
-	printk(" -%i- do_pan_envelope - flags = 0x%x (0x%x -> 0x%x)\n",
-		voice->number,
-		voice->flags,
-		voice->gf1_pan,
-		snd_gf1_i_read8(gus, SNDRV_GF1_VB_PAN) & 0x0f);
-#endif
-	if (gus->gf1.enh_mode) {
-		voice->flags &= ~(SNDRV_GF1_VFLG_EFFECT_TIMER1|SNDRV_GF1_VFLG_PAN);
-		return;
-	}
-	if (!gus->gf1.smooth_pan) {
-		spin_lock_irqsave(&gus->reg_lock, flags);			
-		snd_gf1_select_voice(gus, voice->number);
-		snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, voice->gf1_pan);
-		spin_unlock_irqrestore(&gus->reg_lock, flags);
-		return;
-	}
-	if (!(voice->flags & SNDRV_GF1_VFLG_PAN))		/* before */
-		voice->flags |= SNDRV_GF1_VFLG_EFFECT_TIMER1|SNDRV_GF1_VFLG_PAN;
-	spin_lock_irqsave(&gus->reg_lock, flags);			
-	snd_gf1_select_voice(gus, voice->number);
-	old_pan = snd_gf1_read8(gus, SNDRV_GF1_VB_PAN) & 0x0f;
-	if (old_pan > voice->gf1_pan )
-		old_pan--;
-	if (old_pan < voice->gf1_pan)
-		old_pan++;
-	snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, old_pan);
-	spin_unlock_irqrestore(&gus->reg_lock, flags);
-	if (old_pan == voice->gf1_pan)			/* the goal was reached */
-		voice->flags &= ~(SNDRV_GF1_VFLG_EFFECT_TIMER1|SNDRV_GF1_VFLG_PAN);
-#if 0
-	snd_gf1_select_voice(gus, voice->number);
-	printk(" -%i- (1) do_pan_envelope - flags = 0x%x (0x%x -> 0x%x)\n",
-	       voice->number,
-	       voice->flags,
-	       voice->gf1_pan,
-	       snd_gf1_i_read8(gus, GF1_VB_PAN) & 0x0f);
-#endif
-}
-
-static void set_enhanced_pan(struct snd_gus_card *gus, struct snd_gus_voice *voice, unsigned short pan)
-{
-	unsigned long flags;
-	unsigned short vlo, vro;
-  
-	vlo = SNDRV_GF1_ATTEN((SNDRV_GF1_ATTEN_TABLE_SIZE-1) - pan);
-	vro = SNDRV_GF1_ATTEN(pan);
-	if (pan != SNDRV_GF1_ATTEN_TABLE_SIZE - 1 && pan != 0) {
-		vlo >>= 1;
-		vro >>= 1;
-	}
-	vlo <<= 4;
-	vro <<= 4;
-#if 0
-	printk("vlo = 0x%x (0x%x), vro = 0x%x (0x%x)\n",
-			vlo, snd_gf1_i_read16(gus, GF1_VW_OFFSET_LEFT),
-			vro, snd_gf1_i_read16(gus, GF1_VW_OFFSET_RIGHT));
-#endif
-	spin_lock_irqsave(&gus->reg_lock, flags);			
-	snd_gf1_select_voice(gus, voice->number);
-        snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_LEFT_FINAL, vlo);
-	snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_RIGHT_FINAL, vro);
-	spin_unlock_irqrestore(&gus->reg_lock, flags);			
-	voice->vlo = vlo;
-	voice->vro = vro;
-}
-
-/*
- *
- */
-
-static void sample_start(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position)
-{
-	unsigned long flags;
-	unsigned int begin, addr, addr_end, addr_start;
-	int w_16;
-	struct simple_instrument *simple;
-	struct snd_seq_kinstr *instr;
-
-	instr = snd_seq_instr_find(gus->gf1.ilist, &voice->instr, 0, 1);
-	if (instr == NULL)
-		return;
-	voice->instr = instr->instr;	/* copy ID to speedup aliases */
-	simple = KINSTR_DATA(instr);
-	begin = simple->address.memory << 4;
-	w_16 = simple->format & SIMPLE_WAVE_16BIT ? 0x04 : 0;
-	addr_start = simple->loop_start;
-	if (simple->format & SIMPLE_WAVE_LOOP) {
-		addr_end = simple->loop_end;
-	} else {
-		addr_end = (simple->size << 4) - (w_16 ? 40 : 24);
-	}
-	if (simple->format & SIMPLE_WAVE_BACKWARD) {
-		addr = simple->loop_end;
-		if (position < simple->loop_end)
-			addr -= position;
-	} else {
-		addr = position;
-	}
-	voice->control = 0x00;
-	voice->mode = 0x20;		/* enable offset registers */
-	if (simple->format & SIMPLE_WAVE_16BIT)
-		voice->control |= 0x04;
-	if (simple->format & SIMPLE_WAVE_BACKWARD)
-		voice->control |= 0x40;
-	if (simple->format & SIMPLE_WAVE_LOOP) {
-		voice->control |= 0x08;
-	} else {
-		voice->control |= 0x20;
-	}
-	if (simple->format & SIMPLE_WAVE_BIDIR)
-		voice->control |= 0x10;
-	if (simple->format & SIMPLE_WAVE_ULAW)
-		voice->mode |= 0x40;
-	if (w_16) {
-		addr = ((addr << 1) & ~0x1f) | (addr & 0x0f);
-		addr_start = ((addr_start << 1) & ~0x1f) | (addr_start & 0x0f);
-		addr_end = ((addr_end << 1) & ~0x1f) | (addr_end & 0x0f);
-	}
-	addr += begin;
-	addr_start += begin;
-	addr_end += begin;
-	snd_gf1_stop_voice(gus, voice->number);	
-	spin_lock_irqsave(&gus->reg_lock, flags);
-	snd_gf1_select_voice(gus, voice->number);
-	snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, voice->fc_register + voice->fc_lfo);
-	voice->venv_state = VENV_BEFORE;
-	voice->volume_control = 0x03;
-	snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, addr_start, w_16);
-	snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, addr_end, w_16);
-	snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, addr, w_16);
-	if (!gus->gf1.enh_mode) {
-		snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, voice->gf1_pan);
-	} else {
-		snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_LEFT, voice->vlo);
-		snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_LEFT_FINAL, voice->vlo);
-		snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_RIGHT, voice->vro);
-		snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_RIGHT_FINAL, voice->vro);
-		snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, voice->effect_accumulator);
-		snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, voice->gf1_effect_volume);
-		snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, voice->gf1_effect_volume);
-	}
-	spin_unlock_irqrestore(&gus->reg_lock, flags);
-	do_volume_envelope(gus, voice);
-	spin_lock_irqsave(&gus->reg_lock, flags);
-	snd_gf1_select_voice(gus, voice->number);
-	if (gus->gf1.enh_mode)
-		snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, voice->mode);
-	snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice->control);
-	if (!gus->gf1.enh_mode) {
-		snd_gf1_delay(gus);
-		snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice->control );
-	}
-	spin_unlock_irqrestore(&gus->reg_lock, flags);
-#if 0
-	snd_gf1_print_voice_registers(gus);
-#endif
-	voice->flags |= SNDRV_GF1_VFLG_RUNNING;
-	snd_seq_instr_free_use(gus->gf1.ilist, instr);
-}
-
-static void sample_stop(struct snd_gus_card *gus, struct snd_gus_voice *voice, int mode)
-{
-	unsigned char control;
-	unsigned long flags;
-
-	if (!(voice->flags & SNDRV_GF1_VFLG_RUNNING))
-		return;
-	switch (mode) {
-	default:
-		if (gus->gf1.volume_ramp > 0) {
-			if (voice->venv_state < VENV_RELEASE) {
-				voice->venv_state = VENV_RELEASE;
-				do_volume_envelope(gus, voice);
-			}
-		}
-		if (mode != SAMPLE_STOP_VENVELOPE) {
-			snd_gf1_stop_voice(gus, voice->number);
-			spin_lock_irqsave(&gus->reg_lock, flags);
-			snd_gf1_select_voice(gus, voice->number);
-			snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME);
-			spin_unlock_irqrestore(&gus->reg_lock, flags);
-			voice->flags &= ~SNDRV_GF1_VFLG_RUNNING;
-		}
-		break;
-	case SAMPLE_STOP_LOOP:		/* disable loop only */
-		spin_lock_irqsave(&gus->reg_lock, flags);
-		snd_gf1_select_voice(gus, voice->number);
-		control = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
-		control &= ~(0x83 | 0x04);
-		control |= 0x20;
-		snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, control);
-		spin_unlock_irqrestore(&gus->reg_lock, flags);
-		break;
-	}
-}
-
-static void sample_freq(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_frequency_t freq)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&gus->reg_lock, flags);
-	voice->fc_register = snd_gf1_translate_freq(gus, freq);
-	snd_gf1_select_voice(gus, voice->number);
-	snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, voice->fc_register + voice->fc_lfo);
-	spin_unlock_irqrestore(&gus->reg_lock, flags);
-}
-
-static void sample_volume(struct snd_gus_card *gus, struct snd_gus_voice *voice, struct snd_seq_ev_volume *volume)
-{
-	if (volume->volume >= 0) {
-		volume->volume &= 0x3fff;
-		voice->gf1_volume = snd_gf1_lvol_to_gvol_raw(volume->volume << 2) << 4;
-		voice->venv_state_prev = VENV_SUSTAIN;
-		voice->venv_state = VENV_VOLUME;
-		do_volume_envelope(gus, voice);
-        }
-	if (volume->lr >= 0) {
-		volume->lr &= 0x3fff;
-		if (!gus->gf1.enh_mode) {
-			voice->gf1_pan = (volume->lr >> 10) & 15;
-			if (!gus->gf1.full_range_pan) {
-				if (voice->gf1_pan == 0)
-					voice->gf1_pan++;
-				if (voice->gf1_pan == 15)
-					voice->gf1_pan--;
-			}
-			voice->flags &= ~SNDRV_GF1_VFLG_PAN;	/* before */
-			do_pan_envelope(gus, voice);
-		} else {
-			set_enhanced_pan(gus, voice, volume->lr >> 7);
-		}
-	}
-}
-
-static void sample_loop(struct snd_gus_card *gus, struct snd_gus_voice *voice, struct snd_seq_ev_loop *loop)
-{
-	unsigned long flags;
-	int w_16 = voice->control & 0x04;
-	unsigned int begin, addr_start, addr_end;
-	struct simple_instrument *simple;
-	struct snd_seq_kinstr *instr;
-
-#if 0
-	printk("voice_loop: start = 0x%x, end = 0x%x\n", loop->start, loop->end);
-#endif
-	instr = snd_seq_instr_find(gus->gf1.ilist, &voice->instr, 0, 1);
-	if (instr == NULL)
-		return;
-	voice->instr = instr->instr;	/* copy ID to speedup aliases */
-	simple = KINSTR_DATA(instr);
-	begin = simple->address.memory;
-	addr_start = loop->start;
-	addr_end = loop->end;
-	addr_start = (((addr_start << 1) & ~0x1f) | (addr_start & 0x0f)) + begin;
-	addr_end = (((addr_end << 1) & ~0x1f) | (addr_end & 0x0f)) + begin;
-	spin_lock_irqsave(&gus->reg_lock, flags);
-	snd_gf1_select_voice(gus, voice->number);
-	snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, addr_start, w_16);
-	snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, addr_end, w_16);
-	spin_unlock_irqrestore(&gus->reg_lock, flags);
-	snd_seq_instr_free_use(gus->gf1.ilist, instr);
-}
-
-static void sample_pos(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position)
-{
-	unsigned long flags;
-	int w_16 = voice->control & 0x04;
-	unsigned int begin, addr;
-	struct simple_instrument *simple;
-	struct snd_seq_kinstr *instr;
-
-#if 0
-	printk("voice_loop: start = 0x%x, end = 0x%x\n", loop->start, loop->end);
-#endif
-	instr = snd_seq_instr_find(gus->gf1.ilist, &voice->instr, 0, 1);
-	if (instr == NULL)
-		return;
-	voice->instr = instr->instr;	/* copy ID to speedup aliases */
-	simple = KINSTR_DATA(instr);
-	begin = simple->address.memory;
-	addr = (((position << 1) & ~0x1f) | (position & 0x0f)) + begin;
-	spin_lock_irqsave(&gus->reg_lock, flags);
-	snd_gf1_select_voice(gus, voice->number);
-	snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, addr, w_16);
-	spin_unlock_irqrestore(&gus->reg_lock, flags);
-	snd_seq_instr_free_use(gus->gf1.ilist, instr);
-}
-
-#if 0
-
-static unsigned char get_effects_mask( ultra_card_t *card, int value )
-{
-  if ( value > 7 ) return 0;
-  if ( card -> gf1.effects && card -> gf1.effects -> chip_type == ULTRA_EFFECT_CHIP_INTERWAVE )
-    return card -> gf1.effects -> chip.interwave.voice_output[ value ];
-  return 0;
-}
-
-#endif
-
-static void sample_private1(struct snd_gus_card *card, struct snd_gus_voice *voice, unsigned char *data)
-{
-#if 0
-  unsigned long flags;
-  unsigned char uc;
-
-  switch ( *data ) {
-    case ULTRA_PRIV1_IW_EFFECT:
-      uc = get_effects_mask( card, ultra_get_byte( data, 4 ) );
-      uc |= get_effects_mask( card, ultra_get_byte( data, 4 ) >> 4 );
-      uc |= get_effects_mask( card, ultra_get_byte( data, 5 ) );
-      uc |= get_effects_mask( card, ultra_get_byte( data, 5 ) >> 4 );
-      voice -> data.simple.effect_accumulator = uc;
-      voice -> data.simple.effect_volume = ultra_translate_voice_volume( card, ultra_get_word( data, 2 ) ) << 4;
-      if ( !card -> gf1.enh_mode ) return;
-      if ( voice -> flags & VFLG_WAIT_FOR_START ) return;
-      if ( voice -> flags & VFLG_RUNNING )
-        {
-          CLI( &flags );
-          gf1_select_voice( card, voice -> number );
-          ultra_write8( card, GF1_VB_ACCUMULATOR, voice -> data.simple.effect_accumulator );
-          ultra_write16( card, GF1_VW_EFFECT_VOLUME_FINAL, voice -> data.simple.effect_volume );
-          STI( &flags );
-        }
-      break;
-   case ULTRA_PRIV1_IW_LFO:
-     ultra_lfo_command( card, voice -> number, data );
-  }
-#endif
-}
-
-#if 0
-
-/*
- *
- */
-
-static void note_stop( ultra_card_t *card, ultra_voice_t *voice, int wait )
-{
-}
-
-static void note_wait( ultra_card_t *card, ultra_voice_t *voice )
-{
-}
-
-static void note_off( ultra_card_t *card, ultra_voice_t *voice )
-{
-}
-
-static void note_volume( ultra_card_t *card, ultra_voice_t *voice )
-{
-}
-
-static void note_pitchbend( ultra_card_t *card, ultra_voice_t *voice )
-{
-}
-
-static void note_vibrato( ultra_card_t *card, ultra_voice_t *voice )
-{
-}
-
-static void note_tremolo( ultra_card_t *card, ultra_voice_t *voice )
-{
-}
-
-/*
- *
- */
- 
-static void chn_trigger_down( ultra_card_t *card, ultra_channel_t *channel, ultra_instrument_t *instrument, unsigned char note, unsigned char velocity, unsigned char priority )
-{
-}
-
-static void chn_trigger_up( ultra_card_t *card, ultra_note_t *note )
-{
-}
-
-static void chn_control( ultra_card_t *card, ultra_channel_t *channel, unsigned short p1, unsigned short p2 )
-{
-}
-
-/*
- *
- */
- 
-#endif
-
-void snd_gf1_simple_init(struct snd_gus_voice *voice)
-{
-	voice->handler_wave = interrupt_wave;
-	voice->handler_volume = interrupt_volume;
-	voice->handler_effect = interrupt_effect;
-	voice->volume_change = NULL;
-	voice->sample_ops = &sample_ops;
-}