Remove xxx_t typedefs from the ISA GUS drivers. Signed-off-by: Takashi Iwai <tiwai@suse.de>
		
			
				
	
	
		
			634 lines
		
	
	
	
		
			20 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			634 lines
		
	
	
	
		
			20 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *  Routines for Gravis UltraSound soundcards - Simple instrument handlers
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 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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 *
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 *
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 *   This program is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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 *   the Free Software Foundation; either version 2 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU General Public License for more details.
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 *
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 *   You should have received a copy of the GNU General Public License
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 *   along with this program; if not, write to the Free Software
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 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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 *
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 */
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#include <sound/driver.h>
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#include <linux/time.h>
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#include <sound/core.h>
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#include <sound/gus.h>
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#include "gus_tables.h"
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/*
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 *
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 */
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static void interrupt_wave(struct snd_gus_card *gus, struct snd_gus_voice *voice);
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static void interrupt_volume(struct snd_gus_card *gus, struct snd_gus_voice *voice);
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static void interrupt_effect(struct snd_gus_card *gus, struct snd_gus_voice *voice);
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static void sample_start(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position);
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static void sample_stop(struct snd_gus_card *gus, struct snd_gus_voice *voice, int mode);
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static void sample_freq(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_frequency_t freq);
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static void sample_volume(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_volume *volume);
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static void sample_loop(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_loop *loop);
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static void sample_pos(struct snd_gus_card *card, struct snd_gus_voice *voice, snd_seq_position_t position);
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static void sample_private1(struct snd_gus_card *card, struct snd_gus_voice *voice, unsigned char *data);
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static struct snd_gus_sample_ops sample_ops = {
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	sample_start,
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	sample_stop,
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	sample_freq,
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	sample_volume,
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	sample_loop,
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	sample_pos,
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	sample_private1
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};
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#if 0
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static void note_stop(struct snd_gus_card *gus, struct snd_gus_voice *voice, int wait);
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static void note_wait(struct snd_gus_card *gus, struct snd_gus_voice *voice);
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static void note_off(struct snd_gus_card *gus, struct snd_gus_voice *voice);
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static void note_volume(struct snd_gus_card *card, struct snd_gus_voice *voice);
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static void note_pitchbend(struct snd_gus_card *card, struct snd_gus_voice *voice);
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static void note_vibrato(struct snd_gus_card *card, struct snd_gus_voice *voice);
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static void note_tremolo(struct snd_gus_card *card, struct snd_gus_voice *voice);
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static struct snd_gus_note_handlers note_commands = {
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	note_stop,
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	note_wait,
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	note_off,
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	note_volume,
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	note_pitchbend,
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	note_vibrato,
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	note_tremolo
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};
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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 );
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static void chn_trigger_up( ultra_card_t *card, ultra_note_t *note );
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static void chn_control( ultra_card_t *card, ultra_channel_t *channel, unsigned short p1, unsigned short p2 );
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static struct ULTRA_STRU_INSTRUMENT_CHANNEL_COMMANDS channel_commands = {
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  chn_trigger_down,
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  chn_trigger_up,
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  chn_control
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};
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#endif
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static void do_volume_envelope(struct snd_gus_card *card, struct snd_gus_voice *voice);
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static void do_pan_envelope(struct snd_gus_card *card, struct snd_gus_voice *voice);
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/*
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 *
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 */
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static void interrupt_wave(struct snd_gus_card *gus, struct snd_gus_voice *voice)
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{
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	spin_lock(&gus->event_lock);
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	snd_gf1_stop_voice(gus, voice->number);
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	spin_lock(&gus->reg_lock);
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	snd_gf1_select_voice(gus, voice->number);
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	snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0);
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	spin_unlock(&gus->reg_lock);
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	voice->flags &= ~SNDRV_GF1_VFLG_RUNNING;
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	spin_unlock(&gus->event_lock);
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}
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static void interrupt_volume(struct snd_gus_card *gus, struct snd_gus_voice *voice)
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{
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	spin_lock(&gus->event_lock);
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	if (voice->flags & SNDRV_GF1_VFLG_RUNNING)
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		do_volume_envelope(gus, voice);
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	else
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		snd_gf1_stop_voice(gus, voice->number);
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	spin_unlock(&gus->event_lock);
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}
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static void interrupt_effect(struct snd_gus_card *gus, struct snd_gus_voice *voice)
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{
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	spin_lock(&gus->event_lock);
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	if ((voice->flags & (SNDRV_GF1_VFLG_RUNNING|SNDRV_GF1_VFLG_EFFECT_TIMER1)) ==
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	                    (SNDRV_GF1_VFLG_RUNNING|SNDRV_GF1_VFLG_EFFECT_TIMER1))
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		do_pan_envelope(gus, voice);
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	spin_unlock(&gus->event_lock);
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}
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/*
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 *
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 */
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static void do_volume_envelope(struct snd_gus_card *gus, struct snd_gus_voice *voice)
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{
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	unsigned short next, rate, old_volume;
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	int program_next_ramp;
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	unsigned long flags;
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	if (!gus->gf1.volume_ramp) {
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		spin_lock_irqsave(&gus->reg_lock, flags);
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		snd_gf1_select_voice(gus, voice->number);
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		snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
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		snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, voice->gf1_volume);
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		/* printk("gf1_volume = 0x%x\n", voice->gf1_volume); */
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		spin_unlock_irqrestore(&gus->reg_lock, flags);
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		return;
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	}
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	program_next_ramp = 0;
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	rate = next = 0;
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	while (1) {
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		program_next_ramp = 0;
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		rate = next = 0;
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		switch (voice->venv_state) {
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		case VENV_BEFORE:
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			voice->venv_state = VENV_ATTACK;
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			voice->venv_value_next = 0;
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			spin_lock_irqsave(&gus->reg_lock, flags);
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			snd_gf1_select_voice(gus, voice->number);
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			snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
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			snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME);
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			spin_unlock_irqrestore(&gus->reg_lock, flags);
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			break;
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		case VENV_ATTACK:
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			voice->venv_state = VENV_SUSTAIN;
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			program_next_ramp++;
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			next = 255;
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			rate = gus->gf1.volume_ramp;
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			break;
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		case VENV_SUSTAIN:
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			voice->venv_state = VENV_RELEASE;
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			spin_lock_irqsave(&gus->reg_lock, flags);
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			snd_gf1_select_voice(gus, voice->number);
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			snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
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 			snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, ((int)voice->gf1_volume * (int)voice->venv_value_next) / 255);
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			spin_unlock_irqrestore(&gus->reg_lock, flags);
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			return;
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		case VENV_RELEASE:
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			voice->venv_state = VENV_DONE;
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			program_next_ramp++;
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			next = 0;
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			rate = gus->gf1.volume_ramp;
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			break;
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		case VENV_DONE:
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			snd_gf1_stop_voice(gus, voice->number);
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			voice->flags &= ~SNDRV_GF1_VFLG_RUNNING;
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			return;
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		case VENV_VOLUME:
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			program_next_ramp++;
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			next = voice->venv_value_next;
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			rate = gus->gf1.volume_ramp;
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			voice->venv_state = voice->venv_state_prev;
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			break;
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		}
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		voice->venv_value_next = next;
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		if (!program_next_ramp)
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			continue;
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		spin_lock_irqsave(&gus->reg_lock, flags);
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		snd_gf1_select_voice(gus, voice->number);
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		snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
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		old_volume = snd_gf1_read16(gus, SNDRV_GF1_VW_VOLUME) >> 8;
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		if (!rate) {
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			spin_unlock_irqrestore(&gus->reg_lock, flags);			
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			continue;
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		}
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		next = (((int)voice->gf1_volume * (int)next) / 255) >> 8;
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		if (old_volume < SNDRV_GF1_MIN_OFFSET)
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			old_volume = SNDRV_GF1_MIN_OFFSET;
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		if (next < SNDRV_GF1_MIN_OFFSET)
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			next = SNDRV_GF1_MIN_OFFSET;
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		if (next > SNDRV_GF1_MAX_OFFSET)
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			next = SNDRV_GF1_MAX_OFFSET;
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		if (old_volume == next) {
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			spin_unlock_irqrestore(&gus->reg_lock, flags);
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			continue;
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		}
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		voice->volume_control &= ~0xc3;
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		voice->volume_control |= 0x20;
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		if (old_volume > next) {
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			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, next);
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			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, old_volume);
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			voice->volume_control |= 0x40;
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		} else {
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			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, old_volume);
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			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, next);
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		}
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		snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, rate);
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		snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, voice->volume_control);
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		if (!gus->gf1.enh_mode) {
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			snd_gf1_delay(gus);
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			snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, voice->volume_control);
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		}
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		spin_unlock_irqrestore(&gus->reg_lock, flags);			
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		return;
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	}
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}
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static void do_pan_envelope(struct snd_gus_card *gus, struct snd_gus_voice *voice)
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{
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	unsigned long flags;
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	unsigned char old_pan;
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#if 0
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	snd_gf1_select_voice(gus, voice->number);
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	printk(" -%i- do_pan_envelope - flags = 0x%x (0x%x -> 0x%x)\n",
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		voice->number,
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		voice->flags,
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		voice->gf1_pan,
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		snd_gf1_i_read8(gus, SNDRV_GF1_VB_PAN) & 0x0f);
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#endif
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	if (gus->gf1.enh_mode) {
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		voice->flags &= ~(SNDRV_GF1_VFLG_EFFECT_TIMER1|SNDRV_GF1_VFLG_PAN);
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		return;
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	}
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	if (!gus->gf1.smooth_pan) {
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		spin_lock_irqsave(&gus->reg_lock, flags);			
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		snd_gf1_select_voice(gus, voice->number);
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		snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, voice->gf1_pan);
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		spin_unlock_irqrestore(&gus->reg_lock, flags);
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		return;
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	}
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	if (!(voice->flags & SNDRV_GF1_VFLG_PAN))		/* before */
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		voice->flags |= SNDRV_GF1_VFLG_EFFECT_TIMER1|SNDRV_GF1_VFLG_PAN;
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	spin_lock_irqsave(&gus->reg_lock, flags);			
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	snd_gf1_select_voice(gus, voice->number);
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	old_pan = snd_gf1_read8(gus, SNDRV_GF1_VB_PAN) & 0x0f;
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	if (old_pan > voice->gf1_pan )
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		old_pan--;
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	if (old_pan < voice->gf1_pan)
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		old_pan++;
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	snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, old_pan);
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	spin_unlock_irqrestore(&gus->reg_lock, flags);
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	if (old_pan == voice->gf1_pan)			/* the goal was reached */
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		voice->flags &= ~(SNDRV_GF1_VFLG_EFFECT_TIMER1|SNDRV_GF1_VFLG_PAN);
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#if 0
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	snd_gf1_select_voice(gus, voice->number);
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	printk(" -%i- (1) do_pan_envelope - flags = 0x%x (0x%x -> 0x%x)\n",
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	       voice->number,
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	       voice->flags,
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	       voice->gf1_pan,
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	       snd_gf1_i_read8(gus, GF1_VB_PAN) & 0x0f);
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#endif
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}
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static void set_enhanced_pan(struct snd_gus_card *gus, struct snd_gus_voice *voice, unsigned short pan)
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{
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	unsigned long flags;
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	unsigned short vlo, vro;
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	vlo = SNDRV_GF1_ATTEN((SNDRV_GF1_ATTEN_TABLE_SIZE-1) - pan);
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	vro = SNDRV_GF1_ATTEN(pan);
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	if (pan != SNDRV_GF1_ATTEN_TABLE_SIZE - 1 && pan != 0) {
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		vlo >>= 1;
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		vro >>= 1;
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	}
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	vlo <<= 4;
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	vro <<= 4;
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#if 0
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	printk("vlo = 0x%x (0x%x), vro = 0x%x (0x%x)\n",
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			vlo, snd_gf1_i_read16(gus, GF1_VW_OFFSET_LEFT),
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			vro, snd_gf1_i_read16(gus, GF1_VW_OFFSET_RIGHT));
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#endif
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	spin_lock_irqsave(&gus->reg_lock, flags);			
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	snd_gf1_select_voice(gus, voice->number);
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        snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_LEFT_FINAL, vlo);
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	snd_gf1_write16(gus, SNDRV_GF1_VW_OFFSET_RIGHT_FINAL, vro);
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	spin_unlock_irqrestore(&gus->reg_lock, flags);			
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	voice->vlo = vlo;
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	voice->vro = vro;
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}
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/*
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 *
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 */
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static void sample_start(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position)
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{
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	unsigned long flags;
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	unsigned int begin, addr, addr_end, addr_start;
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	int w_16;
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	struct simple_instrument *simple;
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	struct snd_seq_kinstr *instr;
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	instr = snd_seq_instr_find(gus->gf1.ilist, &voice->instr, 0, 1);
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	if (instr == NULL)
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		return;
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	voice->instr = instr->instr;	/* copy ID to speedup aliases */
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	simple = KINSTR_DATA(instr);
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	begin = simple->address.memory << 4;
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	w_16 = simple->format & SIMPLE_WAVE_16BIT ? 0x04 : 0;
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	addr_start = simple->loop_start;
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	if (simple->format & SIMPLE_WAVE_LOOP) {
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		addr_end = simple->loop_end;
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	} else {
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		addr_end = (simple->size << 4) - (w_16 ? 40 : 24);
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	}
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	if (simple->format & SIMPLE_WAVE_BACKWARD) {
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		addr = simple->loop_end;
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		if (position < simple->loop_end)
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			addr -= position;
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	} else {
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		addr = position;
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	}
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	voice->control = 0x00;
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	voice->mode = 0x20;		/* enable offset registers */
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	if (simple->format & SIMPLE_WAVE_16BIT)
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		voice->control |= 0x04;
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	if (simple->format & SIMPLE_WAVE_BACKWARD)
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		voice->control |= 0x40;
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	if (simple->format & SIMPLE_WAVE_LOOP) {
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		voice->control |= 0x08;
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	} else {
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		voice->control |= 0x20;
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	}
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	if (simple->format & SIMPLE_WAVE_BIDIR)
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		voice->control |= 0x10;
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	if (simple->format & SIMPLE_WAVE_ULAW)
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		voice->mode |= 0x40;
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	if (w_16) {
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		addr = ((addr << 1) & ~0x1f) | (addr & 0x0f);
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		addr_start = ((addr_start << 1) & ~0x1f) | (addr_start & 0x0f);
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		addr_end = ((addr_end << 1) & ~0x1f) | (addr_end & 0x0f);
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	}
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	addr += begin;
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	addr_start += begin;
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	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;
 | 
						|
}
 |