460 lines
12 KiB
C
460 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Routines for Gravis UltraSound soundcards
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/ioport.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/gus.h>
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#include <sound/control.h>
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#include <asm/dma.h>
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MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
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MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
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MODULE_LICENSE("GPL");
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static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches);
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int snd_gus_use_inc(struct snd_gus_card * gus)
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{
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if (!try_module_get(gus->card->module))
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return 0;
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return 1;
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}
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void snd_gus_use_dec(struct snd_gus_card * gus)
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{
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module_put(gus->card->module);
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}
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static int snd_gus_joystick_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 31;
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return 0;
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}
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static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
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return 0;
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}
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static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
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unsigned long flags;
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int change;
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unsigned char nval;
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nval = ucontrol->value.integer.value[0] & 31;
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spin_lock_irqsave(&gus->reg_lock, flags);
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change = gus->joystick_dac != nval;
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gus->joystick_dac = nval;
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snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
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spin_unlock_irqrestore(&gus->reg_lock, flags);
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return change;
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}
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static const struct snd_kcontrol_new snd_gus_joystick_control = {
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.iface = SNDRV_CTL_ELEM_IFACE_CARD,
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.name = "Joystick Speed",
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.info = snd_gus_joystick_info,
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.get = snd_gus_joystick_get,
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.put = snd_gus_joystick_put
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};
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static void snd_gus_init_control(struct snd_gus_card *gus)
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{
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if (!gus->ace_flag)
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snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
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}
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/*
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*
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*/
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static int snd_gus_free(struct snd_gus_card *gus)
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{
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if (gus->gf1.res_port2 == NULL)
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goto __hw_end;
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snd_gf1_stop(gus);
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snd_gus_init_dma_irq(gus, 0);
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__hw_end:
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release_and_free_resource(gus->gf1.res_port1);
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release_and_free_resource(gus->gf1.res_port2);
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if (gus->gf1.irq >= 0)
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free_irq(gus->gf1.irq, (void *) gus);
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if (gus->gf1.dma1 >= 0) {
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disable_dma(gus->gf1.dma1);
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free_dma(gus->gf1.dma1);
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}
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if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
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disable_dma(gus->gf1.dma2);
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free_dma(gus->gf1.dma2);
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}
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kfree(gus);
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return 0;
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}
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static int snd_gus_dev_free(struct snd_device *device)
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{
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struct snd_gus_card *gus = device->device_data;
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return snd_gus_free(gus);
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}
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int snd_gus_create(struct snd_card *card,
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unsigned long port,
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int irq, int dma1, int dma2,
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int timer_dev,
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int voices,
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int pcm_channels,
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int effect,
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struct snd_gus_card **rgus)
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{
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struct snd_gus_card *gus;
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int err;
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static const struct snd_device_ops ops = {
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.dev_free = snd_gus_dev_free,
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};
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*rgus = NULL;
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gus = kzalloc(sizeof(*gus), GFP_KERNEL);
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if (gus == NULL)
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return -ENOMEM;
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spin_lock_init(&gus->reg_lock);
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spin_lock_init(&gus->voice_alloc);
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spin_lock_init(&gus->active_voice_lock);
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spin_lock_init(&gus->event_lock);
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spin_lock_init(&gus->dma_lock);
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spin_lock_init(&gus->pcm_volume_level_lock);
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spin_lock_init(&gus->uart_cmd_lock);
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mutex_init(&gus->dma_mutex);
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gus->gf1.irq = -1;
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gus->gf1.dma1 = -1;
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gus->gf1.dma2 = -1;
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gus->card = card;
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gus->gf1.port = port;
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/* fill register variables for speedup */
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gus->gf1.reg_page = GUSP(gus, GF1PAGE);
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gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
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gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
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gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
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gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
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gus->gf1.reg_dram = GUSP(gus, DRAM);
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gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
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gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
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/* allocate resources */
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gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)");
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if (!gus->gf1.res_port1) {
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snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)");
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if (!gus->gf1.res_port2) {
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snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
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snd_gus_free(gus);
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return -EBUSY;
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}
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if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) {
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snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.irq = irq;
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card->sync_irq = irq;
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if (request_dma(dma1, "GUS - 1")) {
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snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.dma1 = dma1;
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if (dma2 >= 0 && dma1 != dma2) {
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if (request_dma(dma2, "GUS - 2")) {
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snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
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snd_gus_free(gus);
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return -EBUSY;
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}
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gus->gf1.dma2 = dma2;
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} else {
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gus->gf1.dma2 = gus->gf1.dma1;
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gus->equal_dma = 1;
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}
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gus->timer_dev = timer_dev;
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if (voices < 14)
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voices = 14;
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if (voices > 32)
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voices = 32;
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if (pcm_channels < 0)
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pcm_channels = 0;
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if (pcm_channels > 8)
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pcm_channels = 8;
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pcm_channels++;
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pcm_channels &= ~1;
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gus->gf1.effect = effect ? 1 : 0;
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gus->gf1.active_voices = voices;
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gus->gf1.pcm_channels = pcm_channels;
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gus->gf1.volume_ramp = 25;
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gus->gf1.smooth_pan = 1;
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err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops);
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if (err < 0) {
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snd_gus_free(gus);
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return err;
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}
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*rgus = gus;
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return 0;
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}
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/*
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* Memory detection routine for plain GF1 soundcards
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*/
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static int snd_gus_detect_memory(struct snd_gus_card * gus)
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{
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int l, idx, local;
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unsigned char d;
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snd_gf1_poke(gus, 0L, 0xaa);
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snd_gf1_poke(gus, 1L, 0x55);
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if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
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snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
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return -ENOMEM;
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}
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for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
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local = idx << 18;
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snd_gf1_poke(gus, local, d);
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snd_gf1_poke(gus, local + 1, d + 1);
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if (snd_gf1_peek(gus, local) != d ||
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snd_gf1_peek(gus, local + 1) != d + 1 ||
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snd_gf1_peek(gus, 0L) != 0xaa)
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break;
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}
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#if 1
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gus->gf1.memory = idx << 18;
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#else
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gus->gf1.memory = 256 * 1024;
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#endif
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for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
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gus->gf1.mem_alloc.banks_8[l].address =
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gus->gf1.mem_alloc.banks_8[l].size = 0;
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gus->gf1.mem_alloc.banks_16[l].address = l << 18;
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gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
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}
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gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
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return 0; /* some memory were detected */
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}
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static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
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{
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struct snd_card *card;
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unsigned long flags;
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int irq, dma1, dma2;
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static const unsigned char irqs[16] =
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{0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
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static const unsigned char dmas[8] =
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{6, 1, 0, 2, 0, 3, 4, 5};
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if (snd_BUG_ON(!gus))
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return -EINVAL;
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card = gus->card;
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if (snd_BUG_ON(!card))
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return -EINVAL;
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gus->mix_cntrl_reg &= 0xf8;
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gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */
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if (gus->codec_flag || gus->ess_flag) {
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gus->mix_cntrl_reg &= ~1; /* enable LINE IN */
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gus->mix_cntrl_reg |= 4; /* enable MIC */
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}
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dma1 = gus->gf1.dma1;
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dma1 = abs(dma1);
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dma1 = dmas[dma1 & 7];
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dma2 = gus->gf1.dma2;
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dma2 = abs(dma2);
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dma2 = dmas[dma2 & 7];
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dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
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if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
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snd_printk(KERN_ERR "Error! DMA isn't defined.\n");
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return -EINVAL;
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}
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irq = gus->gf1.irq;
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irq = abs(irq);
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irq = irqs[irq & 0x0f];
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if (irq == 0) {
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snd_printk(KERN_ERR "Error! IRQ isn't defined.\n");
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return -EINVAL;
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}
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irq |= 0x40;
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#if 0
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card->mixer.mix_ctrl_reg |= 0x10;
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#endif
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spin_lock_irqsave(&gus->reg_lock, flags);
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outb(5, GUSP(gus, REGCNTRLS));
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outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
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outb(0x00, GUSP(gus, IRQDMACNTRLREG));
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outb(0, GUSP(gus, REGCNTRLS));
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spin_unlock_irqrestore(&gus->reg_lock, flags);
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udelay(100);
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spin_lock_irqsave(&gus->reg_lock, flags);
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outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
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outb(dma1, GUSP(gus, IRQDMACNTRLREG));
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if (latches) {
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outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
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outb(irq, GUSP(gus, IRQDMACNTRLREG));
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}
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spin_unlock_irqrestore(&gus->reg_lock, flags);
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udelay(100);
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spin_lock_irqsave(&gus->reg_lock, flags);
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outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
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outb(dma1, GUSP(gus, IRQDMACNTRLREG));
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if (latches) {
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outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
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outb(irq, GUSP(gus, IRQDMACNTRLREG));
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}
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spin_unlock_irqrestore(&gus->reg_lock, flags);
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snd_gf1_delay(gus);
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if (latches)
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gus->mix_cntrl_reg |= 0x08; /* enable latches */
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else
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gus->mix_cntrl_reg &= ~0x08; /* disable latches */
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spin_lock_irqsave(&gus->reg_lock, flags);
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outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
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outb(0, GUSP(gus, GF1PAGE));
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spin_unlock_irqrestore(&gus->reg_lock, flags);
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return 0;
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}
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static int snd_gus_check_version(struct snd_gus_card * gus)
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{
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unsigned long flags;
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unsigned char val, rev;
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struct snd_card *card;
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card = gus->card;
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spin_lock_irqsave(&gus->reg_lock, flags);
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outb(0x20, GUSP(gus, REGCNTRLS));
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val = inb(GUSP(gus, REGCNTRLS));
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rev = inb(GUSP(gus, BOARDVERSION));
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spin_unlock_irqrestore(&gus->reg_lock, flags);
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snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
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strcpy(card->driver, "GUS");
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strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
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if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
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if (rev >= 5 && rev <= 9) {
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gus->ics_flag = 1;
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if (rev == 5)
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gus->ics_flipped = 1;
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card->longname[27] = '3';
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card->longname[29] = rev == 5 ? '5' : '7';
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}
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if (rev >= 10 && rev != 255) {
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if (rev >= 10 && rev <= 11) {
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strcpy(card->driver, "GUS MAX");
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strcpy(card->longname, "Gravis UltraSound MAX");
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gus->max_flag = 1;
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} else if (rev == 0x30) {
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strcpy(card->driver, "GUS ACE");
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strcpy(card->longname, "Gravis UltraSound Ace");
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gus->ace_flag = 1;
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} else if (rev == 0x50) {
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strcpy(card->driver, "GUS Extreme");
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strcpy(card->longname, "Gravis UltraSound Extreme");
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gus->ess_flag = 1;
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} else {
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snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
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snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n");
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}
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}
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}
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strscpy(card->shortname, card->longname, sizeof(card->shortname));
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gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */
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snd_gus_init_control(gus);
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return 0;
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}
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int snd_gus_initialize(struct snd_gus_card *gus)
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{
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int err;
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if (!gus->interwave) {
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err = snd_gus_check_version(gus);
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if (err < 0) {
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snd_printk(KERN_ERR "version check failed\n");
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return err;
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}
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err = snd_gus_detect_memory(gus);
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if (err < 0)
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return err;
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}
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err = snd_gus_init_dma_irq(gus, 1);
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if (err < 0)
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return err;
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snd_gf1_start(gus);
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gus->initialized = 1;
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return 0;
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}
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/* gus_io.c */
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EXPORT_SYMBOL(snd_gf1_delay);
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EXPORT_SYMBOL(snd_gf1_write8);
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EXPORT_SYMBOL(snd_gf1_look8);
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EXPORT_SYMBOL(snd_gf1_write16);
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EXPORT_SYMBOL(snd_gf1_look16);
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EXPORT_SYMBOL(snd_gf1_i_write8);
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EXPORT_SYMBOL(snd_gf1_i_look8);
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EXPORT_SYMBOL(snd_gf1_i_look16);
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EXPORT_SYMBOL(snd_gf1_dram_addr);
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EXPORT_SYMBOL(snd_gf1_write_addr);
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EXPORT_SYMBOL(snd_gf1_poke);
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EXPORT_SYMBOL(snd_gf1_peek);
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/* gus_reset.c */
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EXPORT_SYMBOL(snd_gf1_alloc_voice);
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EXPORT_SYMBOL(snd_gf1_free_voice);
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EXPORT_SYMBOL(snd_gf1_ctrl_stop);
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EXPORT_SYMBOL(snd_gf1_stop_voice);
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/* gus_mixer.c */
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EXPORT_SYMBOL(snd_gf1_new_mixer);
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/* gus_pcm.c */
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EXPORT_SYMBOL(snd_gf1_pcm_new);
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/* gus.c */
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EXPORT_SYMBOL(snd_gus_use_inc);
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EXPORT_SYMBOL(snd_gus_use_dec);
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EXPORT_SYMBOL(snd_gus_create);
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EXPORT_SYMBOL(snd_gus_initialize);
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/* gus_irq.c */
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EXPORT_SYMBOL(snd_gus_interrupt);
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/* gus_uart.c */
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EXPORT_SYMBOL(snd_gf1_rawmidi_new);
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/* gus_dram.c */
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EXPORT_SYMBOL(snd_gus_dram_write);
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EXPORT_SYMBOL(snd_gus_dram_read);
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/* gus_volume.c */
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EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
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EXPORT_SYMBOL(snd_gf1_translate_freq);
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/* gus_mem.c */
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EXPORT_SYMBOL(snd_gf1_mem_alloc);
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EXPORT_SYMBOL(snd_gf1_mem_xfree);
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EXPORT_SYMBOL(snd_gf1_mem_free);
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EXPORT_SYMBOL(snd_gf1_mem_lock);
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