aboutsummaryrefslogtreecommitdiffstats
path: root/sound/isa/gus/gusextreme.c
blob: 31dc20501d0c51937c4acae41d0fec1ab98282b3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
/*
 *  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 <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/moduleparam.h>
#include <asm/dma.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.");

struct platform_device *devices[SNDRV_CARDS];


#define PFX	"gusextreme: "

static int __init snd_gusextreme_detect(int dev,
					struct snd_card *card,
					struct snd_gus_card * gus,
					struct snd_es1688 *es1688)
{
	unsigned long flags;
	unsigned char d;

	/*
	 * 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 */
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
		return -EIO;
	}
	udelay(160);
	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
	udelay(160);
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
		return -EIO;
	}
	return 0;
}

static void __init snd_gusextreme_init(int dev, struct snd_gus_card * gus)
{
	gus->joystick_dac = joystick_dac[dev];
}

static int __init snd_gusextreme_mixer(struct snd_es1688 *chip)
{
	struct snd_card *card = chip->card;
	struct snd_ctl_elem_id 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(struct platform_device *pdev)
{
	int dev = pdev->id;
	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;
	struct snd_card *card;
	struct snd_gus_card *gus;
	struct snd_es1688 *es1688;
	struct snd_opl3 *opl3;
	int err;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	if (card == NULL)
		return -ENOMEM;

	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(KERN_ERR PFX "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(KERN_ERR PFX "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(KERN_ERR PFX "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(KERN_ERR PFX "unable to find a free DMA for ES1688\n");
			err = -EBUSY;
			goto out;
		}
	}

	if (port[dev] != SNDRV_AUTO_PORT) {
		err = snd_es1688_create(card, port[dev], mpu_port[dev],
					xess_irq, xmpu_irq, xess_dma,
					ES1688_HW_1688, &es1688);
	} else {
		/* auto-probe legacy ports */
		static unsigned long possible_ports[] = {0x220, 0x240, 0x260};
		int i;
		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
			err = snd_es1688_create(card,
						possible_ports[i],
						mpu_port[dev],
						xess_irq, xmpu_irq, xess_dma,
						ES1688_HW_1688, &es1688);
			if (err >= 0) {
				port[dev] = possible_ports[i];
				break;
			}
		}
	}
	if (err < 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_printk(KERN_ERR PFX "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 PFX "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);

	snd_card_set_dev(card, &pdev->dev);

	if ((err = snd_card_register(card)) < 0)
		goto out;

	platform_set_drvdata(pdev, card);
	return 0;

      out:
	snd_card_free(card);
	return err;
}

static int snd_gusextreme_remove(struct platform_device *devptr)
{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
}

#define GUSEXTREME_DRIVER	"snd_gusextreme"

static struct platform_driver snd_gusextreme_driver = {
	.probe		= snd_gusextreme_probe,
	.remove		= snd_gusextreme_remove,
	/* FIXME: suspend/resume */
	.driver		= {
		.name	= GUSEXTREME_DRIVER
	},
};

static void __init_or_module snd_gusextreme_unregister_all(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(devices); ++i)
		platform_device_unregister(devices[i]);
	platform_driver_unregister(&snd_gusextreme_driver);
}

static int __init alsa_card_gusextreme_init(void)
{
	int i, cards, err;

	err = platform_driver_register(&snd_gusextreme_driver);
	if (err < 0)
		return err;

	cards = 0;
	for (i = 0; i < SNDRV_CARDS; i++) {
		struct platform_device *device;
		if (! enable[i])
			continue;
		device = platform_device_register_simple(GUSEXTREME_DRIVER,
							 i, NULL, 0);
		if (IS_ERR(device)) {
			err = PTR_ERR(device);
			goto errout;
		}
		devices[i] = device;
		cards++;
	}
	if (!cards) {
#ifdef MODULE
		printk(KERN_ERR "GUS Extreme soundcard not found or device busy\n");
#endif
		err = -ENODEV;
		goto errout;
	}
	return 0;

 errout:
	snd_gusextreme_unregister_all();
	return err;
}

static void __exit alsa_card_gusextreme_exit(void)
{
	snd_gusextreme_unregister_all();
}

module_init(alsa_card_gusextreme_init)
module_exit(alsa_card_gusextreme_exit)