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459 lines
12 KiB
459 lines
12 KiB
// 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 <[email protected]> |
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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 <[email protected]>"); |
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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 <[email protected]>\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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