dcccdd938e
Unregister the platform device again if the probe was unsuccessful. This restores the behaviour of not loading the driver on probe() failure. Signed-off-by: Rene Herman <rene.herman@keyaccess.nl> Signed-off-by: Takashi Iwai <tiwai@suse.de>
392 lines
12 KiB
C
392 lines
12 KiB
C
/*
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* Driver for Gravis UltraSound Extreme soundcards
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* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <sound/driver.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/time.h>
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#include <linux/moduleparam.h>
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#include <asm/dma.h>
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#include <sound/core.h>
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#include <sound/gus.h>
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#include <sound/es1688.h>
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#include <sound/mpu401.h>
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#include <sound/opl3.h>
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#define SNDRV_LEGACY_AUTO_PROBE
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#define SNDRV_LEGACY_FIND_FREE_IRQ
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#define SNDRV_LEGACY_FIND_FREE_DMA
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#include <sound/initval.h>
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MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
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MODULE_DESCRIPTION("Gravis UltraSound Extreme");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Extreme}}");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
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static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
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static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
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static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
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static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
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static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
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static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
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static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
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static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
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static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
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/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
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static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
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static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for GUS Extreme soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for GUS Extreme soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable GUS Extreme soundcard.");
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module_param_array(port, long, NULL, 0444);
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MODULE_PARM_DESC(port, "Port # for GUS Extreme driver.");
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module_param_array(gf1_port, long, NULL, 0444);
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MODULE_PARM_DESC(gf1_port, "GF1 port # for GUS Extreme driver (optional).");
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module_param_array(mpu_port, long, NULL, 0444);
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MODULE_PARM_DESC(mpu_port, "MPU-401 port # for GUS Extreme driver.");
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module_param_array(irq, int, NULL, 0444);
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MODULE_PARM_DESC(irq, "IRQ # for GUS Extreme driver.");
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module_param_array(mpu_irq, int, NULL, 0444);
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MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for GUS Extreme driver.");
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module_param_array(gf1_irq, int, NULL, 0444);
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MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for GUS Extreme driver.");
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module_param_array(dma8, int, NULL, 0444);
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MODULE_PARM_DESC(dma8, "8-bit DMA # for GUS Extreme driver.");
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module_param_array(dma1, int, NULL, 0444);
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MODULE_PARM_DESC(dma1, "GF1 DMA # for GUS Extreme driver.");
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module_param_array(joystick_dac, int, NULL, 0444);
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MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Extreme driver.");
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module_param_array(channels, int, NULL, 0444);
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MODULE_PARM_DESC(channels, "GF1 channels for GUS Extreme driver.");
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module_param_array(pcm_channels, int, NULL, 0444);
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MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Extreme driver.");
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struct platform_device *devices[SNDRV_CARDS];
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#define PFX "gusextreme: "
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static int __init snd_gusextreme_detect(int dev,
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struct snd_card *card,
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struct snd_gus_card * gus,
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struct snd_es1688 *es1688)
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{
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unsigned long flags;
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unsigned char d;
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/*
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* This is main stuff - enable access to GF1 chip...
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* I'm not sure, if this will work for card which have
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* ES1688 chip in another place than 0x220.
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*
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* I used reverse-engineering in DOSEMU. [--jk]
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*
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* ULTRINIT.EXE:
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* 0x230 = 0,2,3
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* 0x240 = 2,0,1
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* 0x250 = 2,0,3
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* 0x260 = 2,2,1
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*/
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spin_lock_irqsave(&es1688->mixer_lock, flags);
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snd_es1688_mixer_write(es1688, 0x40, 0x0b); /* don't change!!! */
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spin_unlock_irqrestore(&es1688->mixer_lock, flags);
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spin_lock_irqsave(&es1688->reg_lock, flags);
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outb(gf1_port[dev] & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
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outb(0, 0x201);
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outb(gf1_port[dev] & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
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outb(0, 0x201);
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outb(gf1_port[dev] & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
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spin_unlock_irqrestore(&es1688->reg_lock, flags);
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udelay(100);
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snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
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if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
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snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
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return -EIO;
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}
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udelay(160);
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snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
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udelay(160);
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if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
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snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
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return -EIO;
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}
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return 0;
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}
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static void __init snd_gusextreme_init(int dev, struct snd_gus_card * gus)
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{
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gus->joystick_dac = joystick_dac[dev];
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}
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static int __init snd_gusextreme_mixer(struct snd_es1688 *chip)
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{
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struct snd_card *card = chip->card;
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struct snd_ctl_elem_id id1, id2;
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int err;
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memset(&id1, 0, sizeof(id1));
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memset(&id2, 0, sizeof(id2));
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id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
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/* reassign AUX to SYNTHESIZER */
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strcpy(id1.name, "Aux Playback Volume");
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strcpy(id2.name, "Synth Playback Volume");
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if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
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return err;
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/* reassign Master Playback Switch to Synth Playback Switch */
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strcpy(id1.name, "Master Playback Switch");
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strcpy(id2.name, "Synth Playback Switch");
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if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
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return err;
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return 0;
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}
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static int __init snd_gusextreme_probe(struct platform_device *pdev)
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{
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int dev = pdev->id;
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static int possible_ess_irqs[] = {5, 9, 10, 7, -1};
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static int possible_ess_dmas[] = {1, 3, 0, -1};
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static int possible_gf1_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
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static int possible_gf1_dmas[] = {5, 6, 7, 1, 3, -1};
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int xgf1_irq, xgf1_dma, xess_irq, xmpu_irq, xess_dma;
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struct snd_card *card;
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struct snd_gus_card *gus;
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struct snd_es1688 *es1688;
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struct snd_opl3 *opl3;
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int err;
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card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
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if (card == NULL)
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return -ENOMEM;
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xgf1_irq = gf1_irq[dev];
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if (xgf1_irq == SNDRV_AUTO_IRQ) {
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if ((xgf1_irq = snd_legacy_find_free_irq(possible_gf1_irqs)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free IRQ for GF1\n");
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err = -EBUSY;
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goto out;
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}
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}
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xess_irq = irq[dev];
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if (xess_irq == SNDRV_AUTO_IRQ) {
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if ((xess_irq = snd_legacy_find_free_irq(possible_ess_irqs)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free IRQ for ES1688\n");
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err = -EBUSY;
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goto out;
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}
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}
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if (mpu_port[dev] == SNDRV_AUTO_PORT)
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mpu_port[dev] = 0;
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xmpu_irq = mpu_irq[dev];
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if (xmpu_irq > 15)
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xmpu_irq = -1;
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xgf1_dma = dma1[dev];
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if (xgf1_dma == SNDRV_AUTO_DMA) {
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if ((xgf1_dma = snd_legacy_find_free_dma(possible_gf1_dmas)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free DMA for GF1\n");
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err = -EBUSY;
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goto out;
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}
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}
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xess_dma = dma8[dev];
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if (xess_dma == SNDRV_AUTO_DMA) {
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if ((xess_dma = snd_legacy_find_free_dma(possible_ess_dmas)) < 0) {
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snd_printk(KERN_ERR PFX "unable to find a free DMA for ES1688\n");
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err = -EBUSY;
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goto out;
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}
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}
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if (port[dev] != SNDRV_AUTO_PORT) {
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err = snd_es1688_create(card, port[dev], mpu_port[dev],
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xess_irq, xmpu_irq, xess_dma,
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ES1688_HW_1688, &es1688);
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} else {
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/* auto-probe legacy ports */
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static unsigned long possible_ports[] = {0x220, 0x240, 0x260};
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int i;
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for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
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err = snd_es1688_create(card,
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possible_ports[i],
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mpu_port[dev],
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xess_irq, xmpu_irq, xess_dma,
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ES1688_HW_1688, &es1688);
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if (err >= 0) {
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port[dev] = possible_ports[i];
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break;
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}
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}
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}
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if (err < 0)
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goto out;
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if (gf1_port[dev] < 0)
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gf1_port[dev] = port[dev] + 0x20;
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if ((err = snd_gus_create(card,
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gf1_port[dev],
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xgf1_irq,
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xgf1_dma,
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-1,
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0, channels[dev],
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pcm_channels[dev], 0,
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&gus)) < 0)
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goto out;
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if ((err = snd_gusextreme_detect(dev, card, gus, es1688)) < 0)
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goto out;
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snd_gusextreme_init(dev, gus);
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if ((err = snd_gus_initialize(gus)) < 0)
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goto out;
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if (!gus->ess_flag) {
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snd_printk(KERN_ERR PFX "GUS Extreme soundcard was not detected at 0x%lx\n", gus->gf1.port);
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err = -ENODEV;
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goto out;
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}
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if ((err = snd_es1688_pcm(es1688, 0, NULL)) < 0)
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goto out;
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if ((err = snd_es1688_mixer(es1688)) < 0)
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goto out;
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snd_component_add(card, "ES1688");
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if (pcm_channels[dev] > 0) {
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if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
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goto out;
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}
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if ((err = snd_gf1_new_mixer(gus)) < 0)
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goto out;
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if ((err = snd_gusextreme_mixer(es1688)) < 0)
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goto out;
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if (snd_opl3_create(card, es1688->port, es1688->port + 2,
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OPL3_HW_OPL3, 0, &opl3) < 0) {
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printk(KERN_ERR PFX "gusextreme: opl3 not detected at 0x%lx\n", es1688->port);
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} else {
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if ((err = snd_opl3_hwdep_new(opl3, 0, 2, NULL)) < 0)
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goto out;
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}
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if (es1688->mpu_port >= 0x300 &&
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(err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
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es1688->mpu_port, 0,
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xmpu_irq,
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SA_INTERRUPT,
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NULL)) < 0)
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goto out;
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sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, irq %i&%i, dma %i&%i",
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es1688->port, xgf1_irq, xess_irq, xgf1_dma, xess_dma);
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snd_card_set_dev(card, &pdev->dev);
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if ((err = snd_card_register(card)) < 0)
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goto out;
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platform_set_drvdata(pdev, card);
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return 0;
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out:
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snd_card_free(card);
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return err;
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}
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static int snd_gusextreme_remove(struct platform_device *devptr)
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{
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snd_card_free(platform_get_drvdata(devptr));
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platform_set_drvdata(devptr, NULL);
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return 0;
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}
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#define GUSEXTREME_DRIVER "snd_gusextreme"
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static struct platform_driver snd_gusextreme_driver = {
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.probe = snd_gusextreme_probe,
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.remove = snd_gusextreme_remove,
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/* FIXME: suspend/resume */
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.driver = {
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.name = GUSEXTREME_DRIVER
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},
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};
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static void __init_or_module snd_gusextreme_unregister_all(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(devices); ++i)
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platform_device_unregister(devices[i]);
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platform_driver_unregister(&snd_gusextreme_driver);
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}
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static int __init alsa_card_gusextreme_init(void)
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{
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int i, cards, err;
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err = platform_driver_register(&snd_gusextreme_driver);
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if (err < 0)
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return err;
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cards = 0;
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for (i = 0; i < SNDRV_CARDS; i++) {
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struct platform_device *device;
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if (! enable[i])
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continue;
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device = platform_device_register_simple(GUSEXTREME_DRIVER,
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i, NULL, 0);
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if (IS_ERR(device))
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continue;
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if (!platform_get_drvdata(device)) {
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platform_device_unregister(device);
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continue;
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}
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devices[i] = device;
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cards++;
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}
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if (!cards) {
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#ifdef MODULE
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printk(KERN_ERR "GUS Extreme soundcard not found or device busy\n");
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#endif
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snd_gusextreme_unregister_all();
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return -ENODEV;
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}
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return 0;
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}
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static void __exit alsa_card_gusextreme_exit(void)
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{
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snd_gusextreme_unregister_all();
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}
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module_init(alsa_card_gusextreme_init)
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module_exit(alsa_card_gusextreme_exit)
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