/* *  Driver for Gravis UltraSound Extreme soundcards *  Copyright (c) by Jaroslav Kysela <perex@suse.cz> * * *   This program is free software; you can redistribute it and/or modify *   it under the terms of the GNU General Public License as published by *   the Free Software Foundation; either version 2 of the License, or *   (at your option) any later version. * *   This program is distributed in the hope that it will be useful, *   but WITHOUT ANY WARRANTY; without even the implied warranty of *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *   GNU General Public License for more details. * *   You should have received a copy of the GNU General Public License *   along with this program; if not, write to the Free Software *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA * */#include <sound/driver.h>#include <asm/dma.h>#include <linux/init.h>#include <linux/delay.h>#include <linux/time.h>#include <linux/moduleparam.h>#include <sound/core.h>#include <sound/gus.h>#include <sound/es1688.h>#include <sound/mpu401.h>#include <sound/opl3.h>#define SNDRV_LEGACY_AUTO_PROBE#define SNDRV_LEGACY_FIND_FREE_IRQ#define SNDRV_LEGACY_FIND_FREE_DMA#include <sound/initval.h>MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");MODULE_DESCRIPTION("Gravis UltraSound Extreme");MODULE_LICENSE("GPL");MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Extreme}}");static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};module_param_array(index, int, NULL, 0444);MODULE_PARM_DESC(index, "Index value for GUS Extreme soundcard.");module_param_array(id, charp, NULL, 0444);MODULE_PARM_DESC(id, "ID string for GUS Extreme soundcard.");module_param_array(enable, bool, NULL, 0444);MODULE_PARM_DESC(enable, "Enable GUS Extreme soundcard.");module_param_array(port, long, NULL, 0444);MODULE_PARM_DESC(port, "Port # for GUS Extreme driver.");module_param_array(gf1_port, long, NULL, 0444);MODULE_PARM_DESC(gf1_port, "GF1 port # for GUS Extreme driver (optional).");module_param_array(mpu_port, long, NULL, 0444);MODULE_PARM_DESC(mpu_port, "MPU-401 port # for GUS Extreme driver.");module_param_array(irq, int, NULL, 0444);MODULE_PARM_DESC(irq, "IRQ # for GUS Extreme driver.");module_param_array(mpu_irq, int, NULL, 0444);MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for GUS Extreme driver.");module_param_array(gf1_irq, int, NULL, 0444);MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for GUS Extreme driver.");module_param_array(dma8, int, NULL, 0444);MODULE_PARM_DESC(dma8, "8-bit DMA # for GUS Extreme driver.");module_param_array(dma1, int, NULL, 0444);MODULE_PARM_DESC(dma1, "GF1 DMA # for GUS Extreme driver.");module_param_array(joystick_dac, int, NULL, 0444);MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Extreme driver.");module_param_array(channels, int, NULL, 0444);MODULE_PARM_DESC(channels, "GF1 channels for GUS Extreme driver.");module_param_array(pcm_channels, int, NULL, 0444);MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Extreme driver.");static snd_card_t *snd_gusextreme_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;static int __init snd_gusextreme_detect(int dev,					snd_card_t * card,					snd_gus_card_t * gus,					es1688_t *es1688){	unsigned long flags;	/*	 * This is main stuff - enable access to GF1 chip...	 * I'm not sure, if this will work for card which have	 * ES1688 chip in another place than 0x220.         *         * I used reverse-engineering in DOSEMU. [--jk]	 *	 * ULTRINIT.EXE:	 * 0x230 = 0,2,3	 * 0x240 = 2,0,1	 * 0x250 = 2,0,3	 * 0x260 = 2,2,1	 */	spin_lock_irqsave(&es1688->mixer_lock, flags);	snd_es1688_mixer_write(es1688, 0x40, 0x0b);	/* don't change!!! */	spin_unlock_irqrestore(&es1688->mixer_lock, flags);	spin_lock_irqsave(&es1688->reg_lock, flags);	outb(gf1_port[dev] & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));	outb(0, 0x201);	outb(gf1_port[dev] & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));	outb(0, 0x201);	outb(gf1_port[dev] & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));	spin_unlock_irqrestore(&es1688->reg_lock, flags);	udelay(100);	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */#ifdef CONFIG_SND_DEBUG_DETECT	{		unsigned char d;		if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {			snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);			return -EIO;		}	}#else	if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)		return -EIO;#endif	udelay(160);	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */	udelay(160);#ifdef CONFIG_SND_DEBUG_DETECT	{		unsigned char d;		if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {			snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);			return -EIO;		}	}#else	if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)		return -EIO;#endif	return 0;}static void __init snd_gusextreme_init(int dev, snd_gus_card_t * gus){	gus->joystick_dac = joystick_dac[dev];}static int __init snd_gusextreme_mixer(es1688_t *chip){	snd_card_t *card = chip->card;	snd_ctl_elem_id_t id1, id2;	int err;	memset(&id1, 0, sizeof(id1));	memset(&id2, 0, sizeof(id2));	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;	/* reassign AUX to SYNTHESIZER */	strcpy(id1.name, "Aux Playback Volume");	strcpy(id2.name, "Synth Playback Volume");	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)		return err;	/* reassign Master Playback Switch to Synth Playback Switch */	strcpy(id1.name, "Master Playback Switch");	strcpy(id2.name, "Synth Playback Switch");	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)		return err;	return 0;}static int __init snd_gusextreme_probe(int dev){	static int possible_ess_irqs[] = {5, 9, 10, 7, -1};	static int possible_ess_dmas[] = {1, 3, 0, -1};	static int possible_gf1_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};	static int possible_gf1_dmas[] = {5, 6, 7, 1, 3, -1};	int xgf1_irq, xgf1_dma, xess_irq, xmpu_irq, xess_dma;	snd_card_t *card;	struct snd_gusextreme *acard;	snd_gus_card_t *gus;	es1688_t *es1688;	opl3_t *opl3;	int err;	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);	if (card == NULL)		return -ENOMEM;	acard = (struct snd_gusextreme *)card->private_data;	xgf1_irq = gf1_irq[dev];	if (xgf1_irq == SNDRV_AUTO_IRQ) {		if ((xgf1_irq = snd_legacy_find_free_irq(possible_gf1_irqs)) < 0) {			snd_printk("unable to find a free IRQ for GF1\n");			err = -EBUSY;			goto out;		}	}	xess_irq = irq[dev];	if (xess_irq == SNDRV_AUTO_IRQ) {		if ((xess_irq = snd_legacy_find_free_irq(possible_ess_irqs)) < 0) {			snd_printk("unable to find a free IRQ for ES1688\n");			err = -EBUSY;			goto out;		}	}	if (mpu_port[dev] == SNDRV_AUTO_PORT)		mpu_port[dev] = 0;	xmpu_irq = mpu_irq[dev];	if (xmpu_irq > 15)		xmpu_irq = -1;	xgf1_dma = dma1[dev];	if (xgf1_dma == SNDRV_AUTO_DMA) {		if ((xgf1_dma = snd_legacy_find_free_dma(possible_gf1_dmas)) < 0) {			snd_printk("unable to find a free DMA for GF1\n");			err = -EBUSY;			goto out;		}	}	xess_dma = dma8[dev];	if (xess_dma == SNDRV_AUTO_DMA) {		if ((xess_dma = snd_legacy_find_free_dma(possible_ess_dmas)) < 0) {			snd_printk("unable to find a free DMA for ES1688\n");			err = -EBUSY;			goto out;		}	}	if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],				     xess_irq, xmpu_irq, xess_dma,				     ES1688_HW_1688, &es1688)) < 0)		goto out;	if (gf1_port[dev] < 0)		gf1_port[dev] = port[dev] + 0x20;	if ((err = snd_gus_create(card,				  gf1_port[dev],				  xgf1_irq,				  xgf1_dma,				  -1,				  0, channels[dev],				  pcm_channels[dev], 0,				  &gus)) < 0)		goto out;	if ((err = snd_gusextreme_detect(dev, card, gus, es1688)) < 0)		goto out;	snd_gusextreme_init(dev, gus);	if ((err = snd_gus_initialize(gus)) < 0)		goto out;	if (!gus->ess_flag) {		snd_printdd("GUS Extreme soundcard was not detected at 0x%lx\n", gus->gf1.port);		err = -ENODEV;		goto out;	}	if ((err = snd_es1688_pcm(es1688, 0, NULL)) < 0)		goto out;	if ((err = snd_es1688_mixer(es1688)) < 0)		goto out;	snd_component_add(card, "ES1688");	if (pcm_channels[dev] > 0) {		if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)			goto out;	}	if ((err = snd_gf1_new_mixer(gus)) < 0)		goto out;	if ((err = snd_gusextreme_mixer(es1688)) < 0)		goto out;	if (snd_opl3_create(card, es1688->port, es1688->port + 2,			    OPL3_HW_OPL3, 0, &opl3) < 0) {		printk(KERN_ERR "gusextreme: opl3 not detected at 0x%lx\n", es1688->port);	} else {		if ((err = snd_opl3_hwdep_new(opl3, 0, 2, NULL)) < 0)			goto out;	}	if (es1688->mpu_port >= 0x300 &&	    (err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,					       es1688->mpu_port, 0,					       xmpu_irq,					       SA_INTERRUPT,					       NULL)) < 0)		goto out;	sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, irq %i&%i, dma %i&%i",		es1688->port, xgf1_irq, xess_irq, xgf1_dma, xess_dma);	if ((err = snd_card_register(card)) < 0)		goto out;	snd_gusextreme_cards[dev] = card;	return 0;      out:	snd_card_free(card);	return err;}static int __init snd_gusextreme_legacy_auto_probe(unsigned long xport){        static int dev;        int res;        for ( ; dev < SNDRV_CARDS; dev++) {                if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)                        continue;                port[dev] = xport;                res = snd_gusextreme_probe(dev);                if (res < 0)                        port[dev] = SNDRV_AUTO_PORT;                return res;        }        return -ENODEV;}static int __init alsa_card_gusextreme_init(void){	static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};	int dev, cards, i;	for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {		if (port[dev] == SNDRV_AUTO_PORT)			continue;		if (snd_gusextreme_probe(dev) >= 0)			cards++;	}	i = snd_legacy_auto_probe(possible_ports, snd_gusextreme_legacy_auto_probe);	if (i > 0)		cards += i;	if (!cards) {#ifdef MODULE		printk(KERN_ERR "GUS Extreme soundcard not found or device busy\n");#endif		return -ENODEV;	}	return 0;}static void __exit alsa_card_gusextreme_exit(void){	int idx;	snd_card_t *card;	struct snd_gusextreme *acard;	for (idx = 0; idx < SNDRV_CARDS; idx++) {		card = snd_gusextreme_cards[idx];		if (card == NULL)			continue;		acard = (struct snd_gusextreme *)card->private_data;		snd_card_free(snd_gusextreme_cards[idx]);	}}module_init(alsa_card_gusextreme_init)module_exit(alsa_card_gusextreme_exit)