Linux Audio

Check our new training course

Loading...
v3.1
 
  1/*
  2 *  Driver for Gravis UltraSound Extreme soundcards
  3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  4 *
  5 *
  6 *   This program is free software; you can redistribute it and/or modify
  7 *   it under the terms of the GNU General Public License as published by
  8 *   the Free Software Foundation; either version 2 of the License, or
  9 *   (at your option) any later version.
 10 *
 11 *   This program is distributed in the hope that it will be useful,
 12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14 *   GNU General Public License for more details.
 15 *
 16 *   You should have received a copy of the GNU General Public License
 17 *   along with this program; if not, write to the Free Software
 18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19 *
 20 */
 21
 22#include <linux/init.h>
 23#include <linux/err.h>
 24#include <linux/isa.h>
 25#include <linux/delay.h>
 26#include <linux/time.h>
 27#include <linux/moduleparam.h>
 28#include <asm/dma.h>
 29#include <sound/core.h>
 30#include <sound/gus.h>
 31#include <sound/es1688.h>
 32#include <sound/mpu401.h>
 33#include <sound/opl3.h>
 34#define SNDRV_LEGACY_AUTO_PROBE
 35#define SNDRV_LEGACY_FIND_FREE_IRQ
 36#define SNDRV_LEGACY_FIND_FREE_DMA
 37#include <sound/initval.h>
 38
 39#define CRD_NAME "Gravis UltraSound Extreme"
 40#define DEV_NAME "gusextreme"
 41
 42MODULE_DESCRIPTION(CRD_NAME);
 43MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 44MODULE_LICENSE("GPL");
 45MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Extreme}}");
 46
 47static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 48static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 49static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
 50static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
 51static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
 52static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
 53static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 54static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 55static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
 56static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
 57static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
 58static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
 59				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
 60static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
 61static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
 62
 63module_param_array(index, int, NULL, 0444);
 64MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 65module_param_array(id, charp, NULL, 0444);
 66MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 67module_param_array(enable, bool, NULL, 0444);
 68MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 69module_param_array(port, long, NULL, 0444);
 70MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 71module_param_array(gf1_port, long, NULL, 0444);
 72MODULE_PARM_DESC(gf1_port, "GF1 port # for " CRD_NAME " driver (optional).");
 73module_param_array(mpu_port, long, NULL, 0444);
 74MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
 75module_param_array(irq, int, NULL, 0444);
 76MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 77module_param_array(mpu_irq, int, NULL, 0444);
 78MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
 79module_param_array(gf1_irq, int, NULL, 0444);
 80MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for " CRD_NAME " driver.");
 81module_param_array(dma8, int, NULL, 0444);
 82MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
 83module_param_array(dma1, int, NULL, 0444);
 84MODULE_PARM_DESC(dma1, "GF1 DMA # for " CRD_NAME " driver.");
 85module_param_array(joystick_dac, int, NULL, 0444);
 86MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
 87module_param_array(channels, int, NULL, 0444);
 88MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
 89module_param_array(pcm_channels, int, NULL, 0444);
 90MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
 91
 92static int __devinit snd_gusextreme_match(struct device *dev, unsigned int n)
 93{
 94	return enable[n];
 95}
 96
 97static int __devinit snd_gusextreme_es1688_create(struct snd_card *card,
 98		struct snd_es1688 *chip, struct device *dev, unsigned int n)
 
 99{
100	static long possible_ports[] = {0x220, 0x240, 0x260};
101	static int possible_irqs[] = {5, 9, 10, 7, -1};
102	static int possible_dmas[] = {1, 3, 0, -1};
103
104	int i, error;
105
106	if (irq[n] == SNDRV_AUTO_IRQ) {
107		irq[n] = snd_legacy_find_free_irq(possible_irqs);
108		if (irq[n] < 0) {
109			dev_err(dev, "unable to find a free IRQ for ES1688\n");
110			return -EBUSY;
111		}
112	}
113	if (dma8[n] == SNDRV_AUTO_DMA) {
114		dma8[n] = snd_legacy_find_free_dma(possible_dmas);
115		if (dma8[n] < 0) {
116			dev_err(dev, "unable to find a free DMA for ES1688\n");
117			return -EBUSY;
118		}
119	}
120
121	if (port[n] != SNDRV_AUTO_PORT)
122		return snd_es1688_create(card, chip, port[n], mpu_port[n],
123				irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
124
125	i = 0;
126	do {
127		port[n] = possible_ports[i];
128		error = snd_es1688_create(card, chip, port[n], mpu_port[n],
129				irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
130	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
131
132	return error;
133}
134
135static int __devinit snd_gusextreme_gus_card_create(struct snd_card *card,
136		struct device *dev, unsigned int n, struct snd_gus_card **rgus)
 
137{
138	static int possible_irqs[] = {11, 12, 15, 9, 5, 7, 3, -1};
139	static int possible_dmas[] = {5, 6, 7, 3, 1, -1};
140
141	if (gf1_irq[n] == SNDRV_AUTO_IRQ) {
142		gf1_irq[n] = snd_legacy_find_free_irq(possible_irqs);
143		if (gf1_irq[n] < 0) {
144			dev_err(dev, "unable to find a free IRQ for GF1\n");
145			return -EBUSY;
146		}
147	}
148	if (dma1[n] == SNDRV_AUTO_DMA) {
149		dma1[n] = snd_legacy_find_free_dma(possible_dmas);
150		if (dma1[n] < 0) {
151			dev_err(dev, "unable to find a free DMA for GF1\n");
152			return -EBUSY;
153		}
154	}
155	return snd_gus_create(card, gf1_port[n], gf1_irq[n], dma1[n], -1,
156			0, channels[n], pcm_channels[n], 0, rgus);
157}
158
159static int __devinit snd_gusextreme_detect(struct snd_gus_card *gus,
160	struct snd_es1688 *es1688)
161{
162	unsigned long flags;
163	unsigned char d;
164
165	/*
166	 * This is main stuff - enable access to GF1 chip...
167	 * I'm not sure, if this will work for card which have
168	 * ES1688 chip in another place than 0x220.
169         *
170         * I used reverse-engineering in DOSEMU. [--jk]
171	 *
172	 * ULTRINIT.EXE:
173	 * 0x230 = 0,2,3
174	 * 0x240 = 2,0,1
175	 * 0x250 = 2,0,3
176	 * 0x260 = 2,2,1
177	 */
178
179	spin_lock_irqsave(&es1688->mixer_lock, flags);
180	snd_es1688_mixer_write(es1688, 0x40, 0x0b);	/* don't change!!! */
181	spin_unlock_irqrestore(&es1688->mixer_lock, flags);
182
183	spin_lock_irqsave(&es1688->reg_lock, flags);
184	outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
185	outb(0, 0x201);
186	outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
187	outb(0, 0x201);
188	outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
189	spin_unlock_irqrestore(&es1688->reg_lock, flags);
190
191	udelay(100);
192
193	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
194	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
 
195		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
196		return -EIO;
197	}
198	udelay(160);
199	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
200	udelay(160);
201	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
 
202		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
203		return -EIO;
204	}
205
206	return 0;
207}
208
209static int __devinit snd_gusextreme_mixer(struct snd_card *card)
210{
211	struct snd_ctl_elem_id id1, id2;
212	int error;
213
214	memset(&id1, 0, sizeof(id1));
215	memset(&id2, 0, sizeof(id2));
216	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
217
218	/* reassign AUX to SYNTHESIZER */
219	strcpy(id1.name, "Aux Playback Volume");
220	strcpy(id2.name, "Synth Playback Volume");
221	error = snd_ctl_rename_id(card, &id1, &id2);
222	if (error < 0)
223		return error;
224
225	/* reassign Master Playback Switch to Synth Playback Switch */
226	strcpy(id1.name, "Master Playback Switch");
227	strcpy(id2.name, "Synth Playback Switch");
228	error = snd_ctl_rename_id(card, &id1, &id2);
229	if (error < 0)
230		return error;
231
232	return 0;
233}
234
235static int __devinit snd_gusextreme_probe(struct device *dev, unsigned int n)
236{
237	struct snd_card *card;
238	struct snd_gus_card *gus;
239	struct snd_es1688 *es1688;
240	struct snd_opl3 *opl3;
241	int error;
242
243	error = snd_card_create(index[n], id[n], THIS_MODULE,
244				sizeof(struct snd_es1688), &card);
245	if (error < 0)
246		return error;
247
248	es1688 = card->private_data;
249
250	if (mpu_port[n] == SNDRV_AUTO_PORT)
251		mpu_port[n] = 0;
252
253	if (mpu_irq[n] > 15)
254		mpu_irq[n] = -1;
255
256	error = snd_gusextreme_es1688_create(card, es1688, dev, n);
257	if (error < 0)
258		goto out;
259
260	if (gf1_port[n] < 0)
261		gf1_port[n] = es1688->port + 0x20;
262
263	error = snd_gusextreme_gus_card_create(card, dev, n, &gus);
264	if (error < 0)
265		goto out;
266
267	error = snd_gusextreme_detect(gus, es1688);
268	if (error < 0)
269		goto out;
270
271	gus->joystick_dac = joystick_dac[n];
272
273	error = snd_gus_initialize(gus);
274	if (error < 0)
275		goto out;
276
277	error = -ENODEV;
278	if (!gus->ess_flag) {
279		dev_err(dev, "GUS Extreme soundcard was not "
280			"detected at 0x%lx\n", gus->gf1.port);
281		goto out;
282	}
283	gus->codec_flag = 1;
284
285	error = snd_es1688_pcm(card, es1688, 0, NULL);
286	if (error < 0)
287		goto out;
288
289	error = snd_es1688_mixer(card, es1688);
290	if (error < 0)
291		goto out;
292
293	snd_component_add(card, "ES1688");
294
295	if (pcm_channels[n] > 0) {
296		error = snd_gf1_pcm_new(gus, 1, 1, NULL);
297		if (error < 0)
298			goto out;
299	}
300
301	error = snd_gf1_new_mixer(gus);
302	if (error < 0)
303		goto out;
304
305	error = snd_gusextreme_mixer(card);
306	if (error < 0)
307		goto out;
308
309	if (snd_opl3_create(card, es1688->port, es1688->port + 2,
310			OPL3_HW_OPL3, 0, &opl3) < 0)
311		dev_warn(dev, "opl3 not detected at 0x%lx\n", es1688->port);
312	else {
313		error = snd_opl3_hwdep_new(opl3, 0, 2, NULL);
314		if (error < 0)
315			goto out;
316	}
317
318	if (es1688->mpu_port >= 0x300) {
319		error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
320				es1688->mpu_port, 0,
321				mpu_irq[n], IRQF_DISABLED, NULL);
322		if (error < 0)
323			goto out;
324	}
325
326	sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "
327		"irq %i&%i, dma %i&%i", es1688->port,
328		gus->gf1.irq, es1688->irq, gus->gf1.dma1, es1688->dma8);
329
330	snd_card_set_dev(card, dev);
331
332	error = snd_card_register(card);
333	if (error < 0)
334		goto out;
335
336	dev_set_drvdata(dev, card);
337	return 0;
338
339out:	snd_card_free(card);
340	return error;
341}
342
343static int __devexit snd_gusextreme_remove(struct device *dev, unsigned int n)
344{
345	snd_card_free(dev_get_drvdata(dev));
346	dev_set_drvdata(dev, NULL);
347	return 0;
348}
349
350static struct isa_driver snd_gusextreme_driver = {
351	.match		= snd_gusextreme_match,
352	.probe		= snd_gusextreme_probe,
353	.remove		= __devexit_p(snd_gusextreme_remove),
354#if 0	/* FIXME */
355	.suspend	= snd_gusextreme_suspend,
356	.resume		= snd_gusextreme_resume,
357#endif
358	.driver		= {
359		.name	= DEV_NAME
360	}
361};
362
363static int __init alsa_card_gusextreme_init(void)
364{
365	return isa_register_driver(&snd_gusextreme_driver, SNDRV_CARDS);
366}
367
368static void __exit alsa_card_gusextreme_exit(void)
369{
370	isa_unregister_driver(&snd_gusextreme_driver);
371}
372
373module_init(alsa_card_gusextreme_init);
374module_exit(alsa_card_gusextreme_exit);
v6.9.4
  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 *  Driver for Gravis UltraSound Extreme soundcards
  4 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  5 */
  6
  7#include <linux/init.h>
  8#include <linux/err.h>
  9#include <linux/isa.h>
 10#include <linux/delay.h>
 11#include <linux/time.h>
 12#include <linux/module.h>
 13#include <asm/dma.h>
 14#include <sound/core.h>
 15#include <sound/gus.h>
 16#include <sound/es1688.h>
 17#include <sound/mpu401.h>
 18#include <sound/opl3.h>
 19#define SNDRV_LEGACY_AUTO_PROBE
 20#define SNDRV_LEGACY_FIND_FREE_IRQ
 21#define SNDRV_LEGACY_FIND_FREE_DMA
 22#include <sound/initval.h>
 23
 24#define CRD_NAME "Gravis UltraSound Extreme"
 25#define DEV_NAME "gusextreme"
 26
 27MODULE_DESCRIPTION(CRD_NAME);
 28MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 29MODULE_LICENSE("GPL");
 
 30
 31static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 32static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 33static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
 34static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
 35static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
 36static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
 37static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 38static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 39static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
 40static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */
 41static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
 42static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
 43				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
 44static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
 45static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
 46
 47module_param_array(index, int, NULL, 0444);
 48MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 49module_param_array(id, charp, NULL, 0444);
 50MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 51module_param_array(enable, bool, NULL, 0444);
 52MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 53module_param_hw_array(port, long, ioport, NULL, 0444);
 54MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 55module_param_hw_array(gf1_port, long, ioport, NULL, 0444);
 56MODULE_PARM_DESC(gf1_port, "GF1 port # for " CRD_NAME " driver (optional).");
 57module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
 58MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
 59module_param_hw_array(irq, int, irq, NULL, 0444);
 60MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 61module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
 62MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
 63module_param_hw_array(gf1_irq, int, irq, NULL, 0444);
 64MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for " CRD_NAME " driver.");
 65module_param_hw_array(dma8, int, dma, NULL, 0444);
 66MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
 67module_param_hw_array(dma1, int, dma, NULL, 0444);
 68MODULE_PARM_DESC(dma1, "GF1 DMA # for " CRD_NAME " driver.");
 69module_param_array(joystick_dac, int, NULL, 0444);
 70MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
 71module_param_array(channels, int, NULL, 0444);
 72MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
 73module_param_array(pcm_channels, int, NULL, 0444);
 74MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
 75
 76static int snd_gusextreme_match(struct device *dev, unsigned int n)
 77{
 78	return enable[n];
 79}
 80
 81static int snd_gusextreme_es1688_create(struct snd_card *card,
 82					struct snd_es1688 *chip,
 83					struct device *dev, unsigned int n)
 84{
 85	static const long possible_ports[] = {0x220, 0x240, 0x260};
 86	static const int possible_irqs[] = {5, 9, 10, 7, -1};
 87	static const int possible_dmas[] = {1, 3, 0, -1};
 88
 89	int i, error;
 90
 91	if (irq[n] == SNDRV_AUTO_IRQ) {
 92		irq[n] = snd_legacy_find_free_irq(possible_irqs);
 93		if (irq[n] < 0) {
 94			dev_err(dev, "unable to find a free IRQ for ES1688\n");
 95			return -EBUSY;
 96		}
 97	}
 98	if (dma8[n] == SNDRV_AUTO_DMA) {
 99		dma8[n] = snd_legacy_find_free_dma(possible_dmas);
100		if (dma8[n] < 0) {
101			dev_err(dev, "unable to find a free DMA for ES1688\n");
102			return -EBUSY;
103		}
104	}
105
106	if (port[n] != SNDRV_AUTO_PORT)
107		return snd_es1688_create(card, chip, port[n], mpu_port[n],
108				irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
109
110	i = 0;
111	do {
112		port[n] = possible_ports[i];
113		error = snd_es1688_create(card, chip, port[n], mpu_port[n],
114				irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
115	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
116
117	return error;
118}
119
120static int snd_gusextreme_gus_card_create(struct snd_card *card,
121					  struct device *dev, unsigned int n,
122					  struct snd_gus_card **rgus)
123{
124	static const int possible_irqs[] = {11, 12, 15, 9, 5, 7, 3, -1};
125	static const int possible_dmas[] = {5, 6, 7, 3, 1, -1};
126
127	if (gf1_irq[n] == SNDRV_AUTO_IRQ) {
128		gf1_irq[n] = snd_legacy_find_free_irq(possible_irqs);
129		if (gf1_irq[n] < 0) {
130			dev_err(dev, "unable to find a free IRQ for GF1\n");
131			return -EBUSY;
132		}
133	}
134	if (dma1[n] == SNDRV_AUTO_DMA) {
135		dma1[n] = snd_legacy_find_free_dma(possible_dmas);
136		if (dma1[n] < 0) {
137			dev_err(dev, "unable to find a free DMA for GF1\n");
138			return -EBUSY;
139		}
140	}
141	return snd_gus_create(card, gf1_port[n], gf1_irq[n], dma1[n], -1,
142			0, channels[n], pcm_channels[n], 0, rgus);
143}
144
145static int snd_gusextreme_detect(struct snd_gus_card *gus,
146				 struct snd_es1688 *es1688)
147{
148	unsigned long flags;
149	unsigned char d;
150
151	/*
152	 * This is main stuff - enable access to GF1 chip...
153	 * I'm not sure, if this will work for card which have
154	 * ES1688 chip in another place than 0x220.
155         *
156         * I used reverse-engineering in DOSEMU. [--jk]
157	 *
158	 * ULTRINIT.EXE:
159	 * 0x230 = 0,2,3
160	 * 0x240 = 2,0,1
161	 * 0x250 = 2,0,3
162	 * 0x260 = 2,2,1
163	 */
164
165	spin_lock_irqsave(&es1688->mixer_lock, flags);
166	snd_es1688_mixer_write(es1688, 0x40, 0x0b);	/* don't change!!! */
167	spin_unlock_irqrestore(&es1688->mixer_lock, flags);
168
169	spin_lock_irqsave(&es1688->reg_lock, flags);
170	outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
171	outb(0, 0x201);
172	outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
173	outb(0, 0x201);
174	outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
175	spin_unlock_irqrestore(&es1688->reg_lock, flags);
176
177	udelay(100);
178
179	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
180	d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
181	if ((d & 0x07) != 0) {
182		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
183		return -EIO;
184	}
185	udelay(160);
186	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
187	udelay(160);
188	d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
189	if ((d & 0x07) != 1) {
190		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
191		return -EIO;
192	}
193
194	return 0;
195}
196
197static int snd_gusextreme_mixer(struct snd_card *card)
198{
199	struct snd_ctl_elem_id id1, id2;
200	int error;
201
202	memset(&id1, 0, sizeof(id1));
203	memset(&id2, 0, sizeof(id2));
204	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
205
206	/* reassign AUX to SYNTHESIZER */
207	strcpy(id1.name, "Aux Playback Volume");
208	strcpy(id2.name, "Synth Playback Volume");
209	error = snd_ctl_rename_id(card, &id1, &id2);
210	if (error < 0)
211		return error;
212
213	/* reassign Master Playback Switch to Synth Playback Switch */
214	strcpy(id1.name, "Master Playback Switch");
215	strcpy(id2.name, "Synth Playback Switch");
216	error = snd_ctl_rename_id(card, &id1, &id2);
217	if (error < 0)
218		return error;
219
220	return 0;
221}
222
223static int snd_gusextreme_probe(struct device *dev, unsigned int n)
224{
225	struct snd_card *card;
226	struct snd_gus_card *gus;
227	struct snd_es1688 *es1688;
228	struct snd_opl3 *opl3;
229	int error;
230
231	error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE,
232				  sizeof(struct snd_es1688), &card);
233	if (error < 0)
234		return error;
235
236	es1688 = card->private_data;
237
238	if (mpu_port[n] == SNDRV_AUTO_PORT)
239		mpu_port[n] = 0;
240
241	if (mpu_irq[n] > 15)
242		mpu_irq[n] = -1;
243
244	error = snd_gusextreme_es1688_create(card, es1688, dev, n);
245	if (error < 0)
246		return error;
247
248	if (gf1_port[n] < 0)
249		gf1_port[n] = es1688->port + 0x20;
250
251	error = snd_gusextreme_gus_card_create(card, dev, n, &gus);
252	if (error < 0)
253		return error;
254
255	error = snd_gusextreme_detect(gus, es1688);
256	if (error < 0)
257		return error;
258
259	gus->joystick_dac = joystick_dac[n];
260
261	error = snd_gus_initialize(gus);
262	if (error < 0)
263		return error;
264
265	error = -ENODEV;
266	if (!gus->ess_flag) {
267		dev_err(dev, "GUS Extreme soundcard was not "
268			"detected at 0x%lx\n", gus->gf1.port);
269		return error;
270	}
271	gus->codec_flag = 1;
272
273	error = snd_es1688_pcm(card, es1688, 0);
274	if (error < 0)
275		return error;
276
277	error = snd_es1688_mixer(card, es1688);
278	if (error < 0)
279		return error;
280
281	snd_component_add(card, "ES1688");
282
283	if (pcm_channels[n] > 0) {
284		error = snd_gf1_pcm_new(gus, 1, 1);
285		if (error < 0)
286			return error;
287	}
288
289	error = snd_gf1_new_mixer(gus);
290	if (error < 0)
291		return error;
292
293	error = snd_gusextreme_mixer(card);
294	if (error < 0)
295		return error;
296
297	if (snd_opl3_create(card, es1688->port, es1688->port + 2,
298			OPL3_HW_OPL3, 0, &opl3) < 0)
299		dev_warn(dev, "opl3 not detected at 0x%lx\n", es1688->port);
300	else {
301		error = snd_opl3_hwdep_new(opl3, 0, 2, NULL);
302		if (error < 0)
303			return error;
304	}
305
306	if (es1688->mpu_port >= 0x300) {
307		error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
308				es1688->mpu_port, 0, mpu_irq[n], NULL);
 
309		if (error < 0)
310			return error;
311	}
312
313	sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "
314		"irq %i&%i, dma %i&%i", es1688->port,
315		gus->gf1.irq, es1688->irq, gus->gf1.dma1, es1688->dma8);
316
 
 
317	error = snd_card_register(card);
318	if (error < 0)
319		return error;
320
321	dev_set_drvdata(dev, card);
322	return 0;
 
 
 
 
 
 
 
 
 
 
323}
324
325static struct isa_driver snd_gusextreme_driver = {
326	.match		= snd_gusextreme_match,
327	.probe		= snd_gusextreme_probe,
 
328#if 0	/* FIXME */
329	.suspend	= snd_gusextreme_suspend,
330	.resume		= snd_gusextreme_resume,
331#endif
332	.driver		= {
333		.name	= DEV_NAME
334	}
335};
336
337module_isa_driver(snd_gusextreme_driver, SNDRV_CARDS);