aboutsummaryrefslogtreecommitdiff
path: root/sound/isa/galaxy/galaxy.c
blob: e51d3244742af23dc673496dd822f20e7d5cfa73 (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
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
/*
 * Aztech AZT1605/AZT2316 Driver
 * Copyright (C) 2007,2010  Rene Herman
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/isa.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <asm/processor.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Rene Herman");
MODULE_LICENSE("GPL");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");

static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;

module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(wss_port, long, NULL, 0444);
MODULE_PARM_DESC(wss_port, "WSS port # for " CRD_NAME " driver.");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_array(fm_port, long, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "Playback DMA # for " CRD_NAME " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "Capture DMA # for " CRD_NAME " driver.");

/*
 * Generic SB DSP support routines
 */

#define DSP_PORT_RESET		0x6
#define DSP_PORT_READ		0xa
#define DSP_PORT_COMMAND	0xc
#define DSP_PORT_STATUS		0xc
#define DSP_PORT_DATA_AVAIL	0xe

#define DSP_SIGNATURE		0xaa

#define DSP_COMMAND_GET_VERSION	0xe1

static int __devinit dsp_get_byte(void __iomem *port, u8 *val)
{
	int loops = 1000;

	while (!(ioread8(port + DSP_PORT_DATA_AVAIL) & 0x80)) {
		if (!loops--)
			return -EIO;
		cpu_relax();
	}
	*val = ioread8(port + DSP_PORT_READ);
	return 0;
}

static int __devinit dsp_reset(void __iomem *port)
{
	u8 val;

	iowrite8(1, port + DSP_PORT_RESET);
	udelay(10);
	iowrite8(0, port + DSP_PORT_RESET);

	if (dsp_get_byte(port, &val) < 0 || val != DSP_SIGNATURE)
		return -ENODEV;

	return 0;
}

static int __devinit dsp_command(void __iomem *port, u8 cmd)
{
	int loops = 1000;

	while (ioread8(port + DSP_PORT_STATUS) & 0x80) {
		if (!loops--)
			return -EIO;
		cpu_relax();
	}
	iowrite8(cmd, port + DSP_PORT_COMMAND);
	return 0;
}

static int __devinit dsp_get_version(void __iomem *port, u8 *major, u8 *minor)
{
	int err;

	err = dsp_command(port, DSP_COMMAND_GET_VERSION);
	if (err < 0)
		return err;

	err = dsp_get_byte(port, major);
	if (err < 0)
		return err;

	err = dsp_get_byte(port, minor);
	if (err < 0)
		return err;

	return 0;
}

/*
 * Generic WSS support routines
 */

#define WSS_CONFIG_DMA_0	(1 << 0)
#define WSS_CONFIG_DMA_1	(2 << 0)
#define WSS_CONFIG_DMA_3	(3 << 0)
#define WSS_CONFIG_DUPLEX	(1 << 2)
#define WSS_CONFIG_IRQ_7	(1 << 3)
#define WSS_CONFIG_IRQ_9	(2 << 3)
#define WSS_CONFIG_IRQ_10	(3 << 3)
#define WSS_CONFIG_IRQ_11	(4 << 3)

#define WSS_PORT_CONFIG		0
#define WSS_PORT_SIGNATURE	3

#define WSS_SIGNATURE		4

static int __devinit wss_detect(void __iomem *wss_port)
{
	if ((ioread8(wss_port + WSS_PORT_SIGNATURE) & 0x3f) != WSS_SIGNATURE)
		return -ENODEV;

	return 0;
}

static void wss_set_config(void __iomem *wss_port, u8 wss_config)
{
	iowrite8(wss_config, wss_port + WSS_PORT_CONFIG);
}

/*
 * Aztech Sound Galaxy specifics
 */

#define GALAXY_PORT_CONFIG	1024
#define CONFIG_PORT_SET		4

#define DSP_COMMAND_GALAXY_8	8
#define GALAXY_COMMAND_GET_TYPE	5

#define DSP_COMMAND_GALAXY_9	9
#define GALAXY_COMMAND_WSSMODE	0
#define GALAXY_COMMAND_SB8MODE	1

#define GALAXY_MODE_WSS		GALAXY_COMMAND_WSSMODE
#define GALAXY_MODE_SB8		GALAXY_COMMAND_SB8MODE

struct snd_galaxy {
	void __iomem *port;
	void __iomem *config_port;
	void __iomem *wss_port;
	u32 config;
	struct resource *res_port;
	struct resource *res_config_port;
	struct resource *res_wss_port;
};

static u32 config[SNDRV_CARDS];
static u8 wss_config[SNDRV_CARDS];

static int __devinit snd_galaxy_match(struct device *dev, unsigned int n)
{
	if (!enable[n])
		return 0;

	switch (port[n]) {
	case SNDRV_AUTO_PORT:
		dev_err(dev, "please specify port\n");
		return 0;
	case 0x220:
		config[n] |= GALAXY_CONFIG_SBA_220;
		break;
	case 0x240:
		config[n] |= GALAXY_CONFIG_SBA_240;
		break;
	case 0x260:
		config[n] |= GALAXY_CONFIG_SBA_260;
		break;
	case 0x280:
		config[n] |= GALAXY_CONFIG_SBA_280;
		break;
	default:
		dev_err(dev, "invalid port %#lx\n", port[n]);
		return 0;
	}

	switch (wss_port[n]) {
	case SNDRV_AUTO_PORT:
		dev_err(dev,  "please specify wss_port\n");
		return 0;
	case 0x530:
		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_530;
		break;
	case 0x604:
		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_604;
		break;
	case 0xe80:
		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_E80;
		break;
	case 0xf40:
		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_F40;
		break;
	default:
		dev_err(dev, "invalid WSS port %#lx\n", wss_port[n]);
		return 0;
	}

	switch (irq[n]) {
	case SNDRV_AUTO_IRQ:
		dev_err(dev,  "please specify irq\n");
		return 0;
	case 7:
		wss_config[n] |= WSS_CONFIG_IRQ_7;
		break;
	case 2:
		irq[n] = 9;
	case 9:
		wss_config[n] |= WSS_CONFIG_IRQ_9;
		break;
	case 10:
		wss_config[n] |= WSS_CONFIG_IRQ_10;
		break;
	case 11:
		wss_config[n] |= WSS_CONFIG_IRQ_11;
		break;
	default:
		dev_err(dev, "invalid IRQ %d\n", irq[n]);
		return 0;
	}

	switch (dma1[n]) {
	case SNDRV_AUTO_DMA:
		dev_err(dev,  "please specify dma1\n");
		return 0;
	case 0:
		wss_config[n] |= WSS_CONFIG_DMA_0;
		break;
	case 1:
		wss_config[n] |= WSS_CONFIG_DMA_1;
		break;
	case 3:
		wss_config[n] |= WSS_CONFIG_DMA_3;
		break;
	default:
		dev_err(dev, "invalid playback DMA %d\n", dma1[n]);
		return 0;
	}

	if (dma2[n] == SNDRV_AUTO_DMA || dma2[n] == dma1[n]) {
		dma2[n] = -1;
		goto mpu;
	}

	wss_config[n] |= WSS_CONFIG_DUPLEX;
	switch (dma2[n]) {
	case 0:
		break;
	case 1:
		if (dma1[n] == 0)
			break;
	default:
		dev_err(dev, "invalid capture DMA %d\n", dma2[n]);
		return 0;
	}

mpu:
	switch (mpu_port[n]) {
	case SNDRV_AUTO_PORT:
		dev_warn(dev, "mpu_port not specified; not using MPU-401\n");
		mpu_port[n] = -1;
		goto fm;
	case 0x300:
		config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_300;
		break;
	case 0x330:
		config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_330;
		break;
	default:
		dev_err(dev, "invalid MPU port %#lx\n", mpu_port[n]);
		return 0;
	}

	switch (mpu_irq[n]) {
	case SNDRV_AUTO_IRQ:
		dev_warn(dev, "mpu_irq not specified: using polling mode\n");
		mpu_irq[n] = -1;
		break;
	case 2:
		mpu_irq[n] = 9;
	case 9:
		config[n] |= GALAXY_CONFIG_MPUIRQ_2;
		break;
#ifdef AZT1605
	case 3:
		config[n] |= GALAXY_CONFIG_MPUIRQ_3;
		break;
#endif
	case 5:
		config[n] |= GALAXY_CONFIG_MPUIRQ_5;
		break;
	case 7:
		config[n] |= GALAXY_CONFIG_MPUIRQ_7;
		break;
#ifdef AZT2316
	case 10:
		config[n] |= GALAXY_CONFIG_MPUIRQ_10;
		break;
#endif
	default:
		dev_err(dev, "invalid MPU IRQ %d\n", mpu_irq[n]);
		return 0;
	}

	if (mpu_irq[n] == irq[n]) {
		dev_err(dev, "cannot share IRQ between WSS and MPU-401\n");
		return 0;
	}

fm:
	switch (fm_port[n]) {
	case SNDRV_AUTO_PORT:
		dev_warn(dev, "fm_port not specified: not using OPL3\n");
		fm_port[n] = -1;
		break;
	case 0x388:
		break;
	default:
		dev_err(dev, "illegal FM port %#lx\n", fm_port[n]);
		return 0;
	}

	config[n] |= GALAXY_CONFIG_GAME_ENABLE;
	return 1;
}

static int __devinit galaxy_init(struct snd_galaxy *galaxy, u8 *type)
{
	u8 major;
	u8 minor;
	int err;

	err = dsp_reset(galaxy->port);
	if (err < 0)
		return err;

	err = dsp_get_version(galaxy->port, &major, &minor);
	if (err < 0)
		return err;

	if (major != GALAXY_DSP_MAJOR || minor != GALAXY_DSP_MINOR)
		return -ENODEV;

	err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_8);
	if (err < 0)
		return err;

	err = dsp_command(galaxy->port, GALAXY_COMMAND_GET_TYPE);
	if (err < 0)
		return err;

	err = dsp_get_byte(galaxy->port, type);
	if (err < 0)
		return err;

	return 0;
}

static int __devinit galaxy_set_mode(struct snd_galaxy *galaxy, u8 mode)
{
	int err;

	err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_9);
	if (err < 0)
		return err;

	err = dsp_command(galaxy->port, mode);
	if (err < 0)
		return err;

#ifdef AZT1605
	/*
	 * Needed for MPU IRQ on AZT1605, but AZT2316 loses WSS again
	 */
	err = dsp_reset(galaxy->port);
	if (err < 0)
		return err;
#endif

	return 0;
}

static void galaxy_set_config(struct snd_galaxy *galaxy, u32 config)
{
	u8 tmp = ioread8(galaxy->config_port + CONFIG_PORT_SET);
	int i;

	iowrite8(tmp | 0x80, galaxy->config_port + CONFIG_PORT_SET);
	for (i = 0; i < GALAXY_CONFIG_SIZE; i++) {
		iowrite8(config, galaxy->config_port + i);
		config >>= 8;
	}
	iowrite8(tmp & 0x7f, galaxy->config_port + CONFIG_PORT_SET);
	msleep(10);
}

static void __devinit galaxy_config(struct snd_galaxy *galaxy, u32 config)
{
	int i;

	for (i = GALAXY_CONFIG_SIZE; i; i--) {
		u8 tmp = ioread8(galaxy->config_port + i - 1);
		galaxy->config = (galaxy->config << 8) | tmp;
	}
	config |= galaxy->config & GALAXY_CONFIG_MASK;
	galaxy_set_config(galaxy, config);
}

static int __devinit galaxy_wss_config(struct snd_galaxy *galaxy, u8 wss_config)
{
	int err;

	err = wss_detect(galaxy->wss_port);
	if (err < 0)
		return err;

	wss_set_config(galaxy->wss_port, wss_config);

	err = galaxy_set_mode(galaxy, GALAXY_MODE_WSS);
	if (err < 0)
		return err;

	return 0;
}

static void snd_galaxy_free(struct snd_card *card)
{
	struct snd_galaxy *galaxy = card->private_data;

	if (galaxy->wss_port) {
		wss_set_config(galaxy->wss_port, 0);
		ioport_unmap(galaxy->wss_port);
		release_and_free_resource(galaxy->res_wss_port);
	}
	if (galaxy->config_port) {
		galaxy_set_config(galaxy, galaxy->config);
		ioport_unmap(galaxy->config_port);
		release_and_free_resource(galaxy->res_config_port);
	}
	if (galaxy->port) {
		ioport_unmap(galaxy->port);
		release_and_free_resource(galaxy->res_port);
	}
}

static int __devinit snd_galaxy_probe(struct device *dev, unsigned int n)
{
	struct snd_galaxy *galaxy;
	struct snd_wss *chip;
	struct snd_card *card;
	u8 type;
	int err;

	err = snd_card_create(index[n], id[n], THIS_MODULE, sizeof *galaxy,
			      &card);
	if (err < 0)
		return err;

	snd_card_set_dev(card, dev);

	card->private_free = snd_galaxy_free;
	galaxy = card->private_data;

	galaxy->res_port = request_region(port[n], 16, DRV_NAME);
	if (!galaxy->res_port) {
		dev_err(dev, "could not grab ports %#lx-%#lx\n", port[n],
			port[n] + 15);
		err = -EBUSY;
		goto error;
	}
	galaxy->port = ioport_map(port[n], 16);

	err = galaxy_init(galaxy, &type);
	if (err < 0) {
		dev_err(dev, "did not find a Sound Galaxy at %#lx\n", port[n]);
		goto error;
	}
	dev_info(dev, "Sound Galaxy (type %d) found at %#lx\n", type, port[n]);

	galaxy->res_config_port = request_region(port[n] + GALAXY_PORT_CONFIG,
						 16, DRV_NAME);
	if (!galaxy->res_config_port) {
		dev_err(dev, "could not grab ports %#lx-%#lx\n",
			port[n] + GALAXY_PORT_CONFIG,
			port[n] + GALAXY_PORT_CONFIG + 15);
		err = -EBUSY;
		goto error;
	}
	galaxy->config_port = ioport_map(port[n] + GALAXY_PORT_CONFIG, 16);

	galaxy_config(galaxy, config[n]);

	galaxy->res_wss_port = request_region(wss_port[n], 4, DRV_NAME);
	if (!galaxy->res_wss_port)  {
		dev_err(dev, "could not grab ports %#lx-%#lx\n", wss_port[n],
			wss_port[n] + 3);
		err = -EBUSY;
		goto error;
	}
	galaxy->wss_port = ioport_map(wss_port[n], 4);

	err = galaxy_wss_config(galaxy, wss_config[n]);
	if (err < 0) {
		dev_err(dev, "could not configure WSS\n");
		goto error;
	}

	strcpy(card->driver, DRV_NAME);
	strcpy(card->shortname, DRV_NAME);
	sprintf(card->longname, "%s at %#lx/%#lx, irq %d, dma %d/%d",
		card->shortname, port[n], wss_port[n], irq[n], dma1[n],
		dma2[n]);

	err = snd_wss_create(card, wss_port[n] + 4, -1, irq[n], dma1[n],
			     dma2[n], WSS_HW_DETECT, 0, &chip);
	if (err < 0)
		goto error;

	err = snd_wss_pcm(chip, 0, NULL);
	if (err < 0)
		goto error;

	err = snd_wss_mixer(chip);
	if (err < 0)
		goto error;

	err = snd_wss_timer(chip, 0, NULL);
	if (err < 0)
		goto error;

	if (mpu_port[n] >= 0) {
		err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
					  mpu_port[n], 0, mpu_irq[n], NULL);
		if (err < 0)
			goto error;
	}

	if (fm_port[n] >= 0) {
		struct snd_opl3 *opl3;

		err = snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
				      OPL3_HW_AUTO, 0, &opl3);
		if (err < 0) {
			dev_err(dev, "no OPL device at %#lx\n", fm_port[n]);
			goto error;
		}
		err = snd_opl3_timer_new(opl3, 1, 2);
		if (err < 0)
			goto error;

		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
		if (err < 0)
			goto error;
	}

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

	dev_set_drvdata(dev, card);
	return 0;

error:
	snd_card_free(card);
	return err;
}

static int __devexit snd_galaxy_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	dev_set_drvdata(dev, NULL);
	return 0;
}

static struct isa_driver snd_galaxy_driver = {
	.match		= snd_galaxy_match,
	.probe		= snd_galaxy_probe,
	.remove		= __devexit_p(snd_galaxy_remove),

	.driver		= {
		.name	= DEV_NAME
	}
};

static int __init alsa_card_galaxy_init(void)
{
	return isa_register_driver(&snd_galaxy_driver, SNDRV_CARDS);
}

static void __exit alsa_card_galaxy_exit(void)
{
	isa_unregister_driver(&snd_galaxy_driver);
}

module_init(alsa_card_galaxy_init);
module_exit(alsa_card_galaxy_exit);