diff options
Diffstat (limited to 'sound/isa/gus/gus_simple.c')
| -rw-r--r-- | sound/isa/gus/gus_simple.c | 634 |
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 39d121e..0000000 --- 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; -} |
