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Release 4.7 sound/isa/gus/gus_reset.c

Directory: sound/isa/gus
/*
 *  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 <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/gus.h>

extern void snd_gf1_timers_init(struct snd_gus_card * gus);
extern void snd_gf1_timers_done(struct snd_gus_card * gus);
extern int snd_gf1_synth_init(struct snd_gus_card * gus);
extern void snd_gf1_synth_done(struct snd_gus_card * gus);

/*
 *  ok.. default interrupt handlers...
 */


static void snd_gf1_default_interrupt_handler_midi_out(struct snd_gus_card * gus) { snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x20); }

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jaroslav kyselajaroslav kysela2392.00%150.00%
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static void snd_gf1_default_interrupt_handler_midi_in(struct snd_gus_card * gus) { snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x80); }

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static void snd_gf1_default_interrupt_handler_timer1(struct snd_gus_card * gus) { snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~4); }

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jaroslav kyselajaroslav kysela2592.59%150.00%
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static void snd_gf1_default_interrupt_handler_timer2(struct snd_gus_card * gus) { snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~8); }

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jaroslav kyselajaroslav kysela2592.59%150.00%
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static void snd_gf1_default_interrupt_handler_wave_and_volume(struct snd_gus_card * gus, struct snd_gus_voice * voice) { snd_gf1_i_ctrl_stop(gus, 0x00); snd_gf1_i_ctrl_stop(gus, 0x0d); }

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jaroslav kyselajaroslav kysela2686.67%150.00%
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static void snd_gf1_default_interrupt_handler_dma_write(struct snd_gus_card * gus) { snd_gf1_i_write8(gus, 0x41, 0x00); }

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jaroslav kyselajaroslav kysela1890.00%150.00%
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static void snd_gf1_default_interrupt_handler_dma_read(struct snd_gus_card * gus) { snd_gf1_i_write8(gus, 0x49, 0x00); }

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jaroslav kyselajaroslav kysela1890.00%150.00%
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void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what) { if (what & SNDRV_GF1_HANDLER_MIDI_OUT) gus->gf1.interrupt_handler_midi_out = snd_gf1_default_interrupt_handler_midi_out; if (what & SNDRV_GF1_HANDLER_MIDI_IN) gus->gf1.interrupt_handler_midi_in = snd_gf1_default_interrupt_handler_midi_in; if (what & SNDRV_GF1_HANDLER_TIMER1) gus->gf1.interrupt_handler_timer1 = snd_gf1_default_interrupt_handler_timer1; if (what & SNDRV_GF1_HANDLER_TIMER2) gus->gf1.interrupt_handler_timer2 = snd_gf1_default_interrupt_handler_timer2; if (what & SNDRV_GF1_HANDLER_VOICE) { struct snd_gus_voice *voice; voice = &gus->gf1.voices[what & 0xffff]; voice->handler_wave = voice->handler_volume = snd_gf1_default_interrupt_handler_wave_and_volume; voice->handler_effect = NULL; voice->volume_change = NULL; } if (what & SNDRV_GF1_HANDLER_DMA_WRITE) gus->gf1.interrupt_handler_dma_write = snd_gf1_default_interrupt_handler_dma_write; if (what & SNDRV_GF1_HANDLER_DMA_READ) gus->gf1.interrupt_handler_dma_read = snd_gf1_default_interrupt_handler_dma_read; }

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jaroslav kyselajaroslav kysela14397.28%150.00%
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/* */
static void snd_gf1_clear_regs(struct snd_gus_card * gus) { unsigned long flags; spin_lock_irqsave(&gus->reg_lock, flags); inb(GUSP(gus, IRQSTAT)); snd_gf1_write8(gus, 0x41, 0); /* DRAM DMA Control Register */ snd_gf1_write8(gus, 0x45, 0); /* Timer Control */ snd_gf1_write8(gus, 0x49, 0); /* Sampling Control Register */ spin_unlock_irqrestore(&gus->reg_lock, flags); }

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jaroslav kyselajaroslav kysela7397.33%150.00%
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static void snd_gf1_look_regs(struct snd_gus_card * gus) { unsigned long flags; spin_lock_irqsave(&gus->reg_lock, flags); snd_gf1_look8(gus, 0x41); /* DRAM DMA Control Register */ snd_gf1_look8(gus, 0x49); /* Sampling Control Register */ inb(GUSP(gus, IRQSTAT)); snd_gf1_read8(gus, 0x0f); /* IRQ Source Register */ spin_unlock_irqrestore(&gus->reg_lock, flags); }

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jaroslav kyselajaroslav kysela6797.10%150.00%
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/* * put selected GF1 voices to initial stage... */
void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice) { unsigned long flags; spin_lock_irqsave(&gus->reg_lock, flags); snd_gf1_select_voice(gus, voice); #if 0 printk(KERN_DEBUG " -%i- smart stop voice - volume = 0x%x\n", voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME)); #endif snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); spin_unlock_irqrestore(&gus->reg_lock, flags); }

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jaroslav kyselajaroslav kysela6295.38%133.33%
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void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice) { unsigned long flags; spin_lock_irqsave(&gus->reg_lock, flags); snd_gf1_select_voice(gus, voice); #if 0 printk(KERN_DEBUG " -%i- stop voice - volume = 0x%x\n", voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME)); #endif snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); if (gus->gf1.enh_mode) snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0); spin_unlock_irqrestore(&gus->reg_lock, flags); #if 0 snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_VIBRATO); snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_TREMOLO); #endif }

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jaroslav kyselajaroslav kysela8596.59%133.33%
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static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max) { unsigned long flags; unsigned int daddr; unsigned short i, w_16; daddr = gus->gf1.default_voice_address << 4; for (i = v_min; i <= v_max; i++) { #if 0 if (gus->gf1.syn_voices) gus->gf1.syn_voices[i].flags = ~VFLG_DYNAMIC; #endif spin_lock_irqsave(&gus->reg_lock, flags); snd_gf1_select_voice(gus, i); snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); /* Voice Control Register = voice stop */ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); /* Volume Ramp Control Register = ramp off */ if (gus->gf1.enh_mode) snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, gus->gf1.memory ? 0x02 : 0x82); /* Deactivate voice */ w_16 = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & 0x04; snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, 0x400); snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, daddr, w_16); snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, daddr, w_16); snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, 0); snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, 0); snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0); snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0); snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, daddr, w_16); snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, 7); if (gus->gf1.enh_mode) { snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0); snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, 0); snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, 0); } spin_unlock_irqrestore(&gus->reg_lock, flags); #if 0 snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_VIBRATO); snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_TREMOLO); #endif } }

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adrian bunkadrian bunk10.36%133.33%
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void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max) { unsigned long flags; short i, ramp_ok; unsigned short ramp_end; if (!in_interrupt()) { /* this can't be done in interrupt */ for (i = v_min, ramp_ok = 0; i <= v_max; i++) { spin_lock_irqsave(&gus->reg_lock, flags); snd_gf1_select_voice(gus, i); ramp_end = snd_gf1_read16(gus, 9) >> 8; if (ramp_end > SNDRV_GF1_MIN_OFFSET) { ramp_ok++; snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 20); /* ramp rate */ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); /* ramp start */ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, ramp_end); /* ramp end */ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); /* ramp down */ if (gus->gf1.enh_mode) { snd_gf1_delay(gus); snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); } } spin_unlock_irqrestore(&gus->reg_lock, flags); } msleep_interruptible(50); } snd_gf1_clear_voices(gus, v_min, v_max); }

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jaroslav kyselajaroslav kysela18498.92%266.67%
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static void snd_gf1_alloc_voice_use(struct snd_gus_card * gus, struct snd_gus_voice * pvoice, int type, int client, int port) { pvoice->use = 1; switch (type) { case SNDRV_GF1_VOICE_TYPE_PCM: gus->gf1.pcm_alloc_voices++; pvoice->pcm = 1; break; case SNDRV_GF1_VOICE_TYPE_SYNTH: pvoice->synth = 1; pvoice->client = client; pvoice->port = port; break; case SNDRV_GF1_VOICE_TYPE_MIDI: pvoice->midi = 1; pvoice->client = client; pvoice->port = port; break; } }

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jaroslav kyselajaroslav kysela9495.92%150.00%
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struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port) { struct snd_gus_voice *pvoice; unsigned long flags; int idx; spin_lock_irqsave(&gus->voice_alloc, flags); if (type == SNDRV_GF1_VOICE_TYPE_PCM) { if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels) { spin_unlock_irqrestore(&gus->voice_alloc, flags); return NULL; } } for (idx = 0; idx < 32; idx++) { pvoice = &gus->gf1.voices[idx]; if (!pvoice->use) { snd_gf1_alloc_voice_use(gus, pvoice, type, client, port); spin_unlock_irqrestore(&gus->voice_alloc, flags); return pvoice; } } for (idx = 0; idx < 32; idx++) { pvoice = &gus->gf1.voices[idx]; if (pvoice->midi && !pvoice->client) { snd_gf1_clear_voices(gus, pvoice->number, pvoice->number); snd_gf1_alloc_voice_use(gus, pvoice, type, client, port); spin_unlock_irqrestore(&gus->voice_alloc, flags); return pvoice; } } spin_unlock_irqrestore(&gus->voice_alloc, flags); return NULL; }

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void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice) { unsigned long flags; void (*private_free)(struct snd_gus_voice *voice); void *private_data; if (voice == NULL || !voice->use) return; snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | voice->number); snd_gf1_clear_voices(gus, voice->number, voice->number); spin_lock_irqsave(&gus->voice_alloc, flags); private_free = voice->private_free; private_data = voice->private_data; voice->private_free = NULL; voice->private_data = NULL; if (voice->pcm) gus->gf1.pcm_alloc_voices--; voice->use = voice->pcm = 0; voice->sample_ops = NULL; spin_unlock_irqrestore(&gus->voice_alloc, flags); if (private_free) private_free(voice); }

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jaroslav kyselajaroslav kysela14796.08%150.00%
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/* * call this function only by start of driver */
int snd_gf1_start(struct snd_gus_card * gus) { unsigned long flags; unsigned int i; snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */ udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac); snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_ALL); for (i = 0; i < 32; i++) { gus->gf1.voices[i].number = i; snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | i); } snd_gf1_uart_cmd(gus, 0x03); /* huh.. this cleanup took me some time... */ if (gus->gf1.enh_mode) { /* enhanced mode !!!! */ snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01); snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); } snd_gf1_clear_regs(gus); snd_gf1_select_active_voices(gus); snd_gf1_delay(gus); gus->gf1.default_voice_address = gus->gf1.memory > 0 ? 0 : 512 - 8; /* initialize LFOs & clear LFOs memory */ if (gus->gf1.enh_mode && gus->gf1.memory) { gus->gf1.hw_lfo = 1; gus->gf1.default_voice_address += 1024; } else { gus->gf1.sw_lfo = 1; } #if 0 snd_gf1_lfo_init(gus); #endif if (gus->gf1.memory > 0) for (i = 0; i < 4; i++) snd_gf1_poke(gus, gus->gf1.default_voice_address + i, 0); snd_gf1_clear_regs(gus); snd_gf1_clear_voices(gus, 0, 31); snd_gf1_look_regs(gus); udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */ udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */ if (gus->gf1.enh_mode) { /* enhanced mode !!!! */ snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01); snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); } while ((snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ) & 0xc0) != 0xc0); spin_lock_irqsave(&gus->reg_lock, flags); outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE)); outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); spin_unlock_irqrestore(&gus->reg_lock, flags); snd_gf1_timers_init(gus); snd_gf1_look_regs(gus); snd_gf1_mem_init(gus); snd_gf1_mem_proc_init(gus); #ifdef CONFIG_SND_DEBUG snd_gus_irq_profile_init(gus); #endif #if 0 if (gus->pnp_flag) { if (gus->chip.playback_fifo_size > 0) snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR, gus->chip.playback_fifo_block->ptr >> 8); if (gus->chip.record_fifo_size > 0) snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR, gus->chip.record_fifo_block->ptr >> 8); snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_SIZE, gus->chip.interwave_fifo_reg); } #endif return 0; }

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jaroslav kyselajaroslav kysela46099.57%150.00%
takashi iwaitakashi iwai20.43%150.00%
Total462100.00%2100.00%

/* * call this function only by shutdown of driver */
int snd_gf1_stop(struct snd_gus_card * gus) { snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0); /* stop all timers */ snd_gf1_stop_voices(gus, 0, 31); /* stop all voices */ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */ snd_gf1_timers_done(gus); snd_gf1_mem_done(gus); #if 0 snd_gf1_lfo_done(gus); #endif return 0; }

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jaroslav kyselajaroslav kysela5796.61%150.00%
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adrian bunkadrian bunk10.05%114.29%
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Directory: sound/isa/gus
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