diff options
Diffstat (limited to 'sound/isa/gus/gus_simple.c')
| -rw-r--r-- | sound/isa/gus/gus_simple.c | 634 |
1 files changed, 634 insertions, 0 deletions
diff --git a/sound/isa/gus/gus_simple.c b/sound/isa/gus/gus_simple.c new file mode 100644 index 000000000000..c122e7be6ceb --- /dev/null +++ b/sound/isa/gus/gus_simple.c @@ -0,0 +1,634 @@ +/* + * Routines for Gravis UltraSound soundcards - Simple instrument handlers + * Copyright (c) by Jaroslav Kysela <perex@suse.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(snd_gus_card_t *gus, snd_gus_voice_t *voice); +static void interrupt_volume(snd_gus_card_t *gus, snd_gus_voice_t *voice); +static void interrupt_effect(snd_gus_card_t *gus, snd_gus_voice_t *voice); + +static void sample_start(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position); +static void sample_stop(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t mode); +static void sample_freq(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_frequency_t freq); +static void sample_volume(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_volume_t *volume); +static void sample_loop(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop); +static void sample_pos(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_position_t position); +static void sample_private1(snd_gus_card_t *card, snd_gus_voice_t *voice, unsigned char *data); + +static snd_gus_sample_ops_t sample_ops = { + sample_start, + sample_stop, + sample_freq, + sample_volume, + sample_loop, + sample_pos, + sample_private1 +}; + +#if 0 + +static void note_stop(snd_gus_card_t *gus, snd_gus_voice_t *voice, int wait); +static void note_wait(snd_gus_card_t *gus, snd_gus_voice_t *voice); +static void note_off(snd_gus_card_t *gus, snd_gus_voice_t *voice); +static void note_volume(snd_gus_card_t *card, snd_gus_voice_t *voice); +static void note_pitchbend(snd_gus_card_t *card, snd_gus_voice_t *voice); +static void note_vibrato(snd_gus_card_t *card, snd_gus_voice_t *voice); +static void note_tremolo(snd_gus_card_t *card, snd_gus_voice_t *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(snd_gus_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 ); + +static struct ULTRA_STRU_INSTRUMENT_CHANNEL_COMMANDS channel_commands = { + chn_trigger_down, + chn_trigger_up, + chn_control +}; + +#endif + +static void do_volume_envelope(snd_gus_card_t *card, snd_gus_voice_t *voice); +static void do_pan_envelope(snd_gus_card_t *card, snd_gus_voice_t *voice); + +/* + * + */ + +static void interrupt_wave(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position) +{ + unsigned long flags; + unsigned int begin, addr, addr_end, addr_start; + int w_16; + simple_instrument_t *simple; + snd_seq_kinstr_t *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(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t 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(snd_gus_card_t *gus, snd_gus_voice_t *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(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_volume_t *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(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop) +{ + unsigned long flags; + int w_16 = voice->control & 0x04; + unsigned int begin, addr_start, addr_end; + simple_instrument_t *simple; + snd_seq_kinstr_t *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(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position) +{ + unsigned long flags; + int w_16 = voice->control & 0x04; + unsigned int begin, addr; + simple_instrument_t *simple; + snd_seq_kinstr_t *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(snd_gus_card_t *card, snd_gus_voice_t *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(snd_gus_voice_t *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; +} |
