xref: /openbmc/linux/sound/isa/galaxy/galaxy.c (revision feac8c8b)
1 /*
2  * Aztech AZT1605/AZT2316 Driver
3  * Copyright (C) 2007,2010  Rene Herman
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  */
19 
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/isa.h>
23 #include <linux/delay.h>
24 #include <linux/io.h>
25 #include <asm/processor.h>
26 #include <sound/core.h>
27 #include <sound/initval.h>
28 #include <sound/wss.h>
29 #include <sound/mpu401.h>
30 #include <sound/opl3.h>
31 
32 MODULE_DESCRIPTION(CRD_NAME);
33 MODULE_AUTHOR("Rene Herman");
34 MODULE_LICENSE("GPL");
35 
36 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
37 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
38 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
39 
40 module_param_array(index, int, NULL, 0444);
41 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
42 module_param_array(id, charp, NULL, 0444);
43 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
44 module_param_array(enable, bool, NULL, 0444);
45 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
46 
47 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
48 static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
49 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
50 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
51 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
52 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
53 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
54 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
55 
56 module_param_hw_array(port, long, ioport, NULL, 0444);
57 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
58 module_param_hw_array(wss_port, long, ioport, NULL, 0444);
59 MODULE_PARM_DESC(wss_port, "WSS port # for " CRD_NAME " driver.");
60 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
61 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
62 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
63 MODULE_PARM_DESC(fm_port, "FM port # for " CRD_NAME " driver.");
64 module_param_hw_array(irq, int, irq, NULL, 0444);
65 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
66 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
67 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
68 module_param_hw_array(dma1, int, dma, NULL, 0444);
69 MODULE_PARM_DESC(dma1, "Playback DMA # for " CRD_NAME " driver.");
70 module_param_hw_array(dma2, int, dma, NULL, 0444);
71 MODULE_PARM_DESC(dma2, "Capture DMA # for " CRD_NAME " driver.");
72 
73 /*
74  * Generic SB DSP support routines
75  */
76 
77 #define DSP_PORT_RESET		0x6
78 #define DSP_PORT_READ		0xa
79 #define DSP_PORT_COMMAND	0xc
80 #define DSP_PORT_STATUS		0xc
81 #define DSP_PORT_DATA_AVAIL	0xe
82 
83 #define DSP_SIGNATURE		0xaa
84 
85 #define DSP_COMMAND_GET_VERSION	0xe1
86 
87 static int dsp_get_byte(void __iomem *port, u8 *val)
88 {
89 	int loops = 1000;
90 
91 	while (!(ioread8(port + DSP_PORT_DATA_AVAIL) & 0x80)) {
92 		if (!loops--)
93 			return -EIO;
94 		cpu_relax();
95 	}
96 	*val = ioread8(port + DSP_PORT_READ);
97 	return 0;
98 }
99 
100 static int dsp_reset(void __iomem *port)
101 {
102 	u8 val;
103 
104 	iowrite8(1, port + DSP_PORT_RESET);
105 	udelay(10);
106 	iowrite8(0, port + DSP_PORT_RESET);
107 
108 	if (dsp_get_byte(port, &val) < 0 || val != DSP_SIGNATURE)
109 		return -ENODEV;
110 
111 	return 0;
112 }
113 
114 static int dsp_command(void __iomem *port, u8 cmd)
115 {
116 	int loops = 1000;
117 
118 	while (ioread8(port + DSP_PORT_STATUS) & 0x80) {
119 		if (!loops--)
120 			return -EIO;
121 		cpu_relax();
122 	}
123 	iowrite8(cmd, port + DSP_PORT_COMMAND);
124 	return 0;
125 }
126 
127 static int dsp_get_version(void __iomem *port, u8 *major, u8 *minor)
128 {
129 	int err;
130 
131 	err = dsp_command(port, DSP_COMMAND_GET_VERSION);
132 	if (err < 0)
133 		return err;
134 
135 	err = dsp_get_byte(port, major);
136 	if (err < 0)
137 		return err;
138 
139 	err = dsp_get_byte(port, minor);
140 	if (err < 0)
141 		return err;
142 
143 	return 0;
144 }
145 
146 /*
147  * Generic WSS support routines
148  */
149 
150 #define WSS_CONFIG_DMA_0	(1 << 0)
151 #define WSS_CONFIG_DMA_1	(2 << 0)
152 #define WSS_CONFIG_DMA_3	(3 << 0)
153 #define WSS_CONFIG_DUPLEX	(1 << 2)
154 #define WSS_CONFIG_IRQ_7	(1 << 3)
155 #define WSS_CONFIG_IRQ_9	(2 << 3)
156 #define WSS_CONFIG_IRQ_10	(3 << 3)
157 #define WSS_CONFIG_IRQ_11	(4 << 3)
158 
159 #define WSS_PORT_CONFIG		0
160 #define WSS_PORT_SIGNATURE	3
161 
162 #define WSS_SIGNATURE		4
163 
164 static int wss_detect(void __iomem *wss_port)
165 {
166 	if ((ioread8(wss_port + WSS_PORT_SIGNATURE) & 0x3f) != WSS_SIGNATURE)
167 		return -ENODEV;
168 
169 	return 0;
170 }
171 
172 static void wss_set_config(void __iomem *wss_port, u8 wss_config)
173 {
174 	iowrite8(wss_config, wss_port + WSS_PORT_CONFIG);
175 }
176 
177 /*
178  * Aztech Sound Galaxy specifics
179  */
180 
181 #define GALAXY_PORT_CONFIG	1024
182 #define CONFIG_PORT_SET		4
183 
184 #define DSP_COMMAND_GALAXY_8	8
185 #define GALAXY_COMMAND_GET_TYPE	5
186 
187 #define DSP_COMMAND_GALAXY_9	9
188 #define GALAXY_COMMAND_WSSMODE	0
189 #define GALAXY_COMMAND_SB8MODE	1
190 
191 #define GALAXY_MODE_WSS		GALAXY_COMMAND_WSSMODE
192 #define GALAXY_MODE_SB8		GALAXY_COMMAND_SB8MODE
193 
194 struct snd_galaxy {
195 	void __iomem *port;
196 	void __iomem *config_port;
197 	void __iomem *wss_port;
198 	u32 config;
199 	struct resource *res_port;
200 	struct resource *res_config_port;
201 	struct resource *res_wss_port;
202 };
203 
204 static u32 config[SNDRV_CARDS];
205 static u8 wss_config[SNDRV_CARDS];
206 
207 static int snd_galaxy_match(struct device *dev, unsigned int n)
208 {
209 	if (!enable[n])
210 		return 0;
211 
212 	switch (port[n]) {
213 	case SNDRV_AUTO_PORT:
214 		dev_err(dev, "please specify port\n");
215 		return 0;
216 	case 0x220:
217 		config[n] |= GALAXY_CONFIG_SBA_220;
218 		break;
219 	case 0x240:
220 		config[n] |= GALAXY_CONFIG_SBA_240;
221 		break;
222 	case 0x260:
223 		config[n] |= GALAXY_CONFIG_SBA_260;
224 		break;
225 	case 0x280:
226 		config[n] |= GALAXY_CONFIG_SBA_280;
227 		break;
228 	default:
229 		dev_err(dev, "invalid port %#lx\n", port[n]);
230 		return 0;
231 	}
232 
233 	switch (wss_port[n]) {
234 	case SNDRV_AUTO_PORT:
235 		dev_err(dev,  "please specify wss_port\n");
236 		return 0;
237 	case 0x530:
238 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_530;
239 		break;
240 	case 0x604:
241 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_604;
242 		break;
243 	case 0xe80:
244 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_E80;
245 		break;
246 	case 0xf40:
247 		config[n] |= GALAXY_CONFIG_WSS_ENABLE | GALAXY_CONFIG_WSSA_F40;
248 		break;
249 	default:
250 		dev_err(dev, "invalid WSS port %#lx\n", wss_port[n]);
251 		return 0;
252 	}
253 
254 	switch (irq[n]) {
255 	case SNDRV_AUTO_IRQ:
256 		dev_err(dev,  "please specify irq\n");
257 		return 0;
258 	case 7:
259 		wss_config[n] |= WSS_CONFIG_IRQ_7;
260 		break;
261 	case 2:
262 		irq[n] = 9;
263 	case 9:
264 		wss_config[n] |= WSS_CONFIG_IRQ_9;
265 		break;
266 	case 10:
267 		wss_config[n] |= WSS_CONFIG_IRQ_10;
268 		break;
269 	case 11:
270 		wss_config[n] |= WSS_CONFIG_IRQ_11;
271 		break;
272 	default:
273 		dev_err(dev, "invalid IRQ %d\n", irq[n]);
274 		return 0;
275 	}
276 
277 	switch (dma1[n]) {
278 	case SNDRV_AUTO_DMA:
279 		dev_err(dev,  "please specify dma1\n");
280 		return 0;
281 	case 0:
282 		wss_config[n] |= WSS_CONFIG_DMA_0;
283 		break;
284 	case 1:
285 		wss_config[n] |= WSS_CONFIG_DMA_1;
286 		break;
287 	case 3:
288 		wss_config[n] |= WSS_CONFIG_DMA_3;
289 		break;
290 	default:
291 		dev_err(dev, "invalid playback DMA %d\n", dma1[n]);
292 		return 0;
293 	}
294 
295 	if (dma2[n] == SNDRV_AUTO_DMA || dma2[n] == dma1[n]) {
296 		dma2[n] = -1;
297 		goto mpu;
298 	}
299 
300 	wss_config[n] |= WSS_CONFIG_DUPLEX;
301 	switch (dma2[n]) {
302 	case 0:
303 		break;
304 	case 1:
305 		if (dma1[n] == 0)
306 			break;
307 	default:
308 		dev_err(dev, "invalid capture DMA %d\n", dma2[n]);
309 		return 0;
310 	}
311 
312 mpu:
313 	switch (mpu_port[n]) {
314 	case SNDRV_AUTO_PORT:
315 		dev_warn(dev, "mpu_port not specified; not using MPU-401\n");
316 		mpu_port[n] = -1;
317 		goto fm;
318 	case 0x300:
319 		config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_300;
320 		break;
321 	case 0x330:
322 		config[n] |= GALAXY_CONFIG_MPU_ENABLE | GALAXY_CONFIG_MPUA_330;
323 		break;
324 	default:
325 		dev_err(dev, "invalid MPU port %#lx\n", mpu_port[n]);
326 		return 0;
327 	}
328 
329 	switch (mpu_irq[n]) {
330 	case SNDRV_AUTO_IRQ:
331 		dev_warn(dev, "mpu_irq not specified: using polling mode\n");
332 		mpu_irq[n] = -1;
333 		break;
334 	case 2:
335 		mpu_irq[n] = 9;
336 	case 9:
337 		config[n] |= GALAXY_CONFIG_MPUIRQ_2;
338 		break;
339 #ifdef AZT1605
340 	case 3:
341 		config[n] |= GALAXY_CONFIG_MPUIRQ_3;
342 		break;
343 #endif
344 	case 5:
345 		config[n] |= GALAXY_CONFIG_MPUIRQ_5;
346 		break;
347 	case 7:
348 		config[n] |= GALAXY_CONFIG_MPUIRQ_7;
349 		break;
350 #ifdef AZT2316
351 	case 10:
352 		config[n] |= GALAXY_CONFIG_MPUIRQ_10;
353 		break;
354 #endif
355 	default:
356 		dev_err(dev, "invalid MPU IRQ %d\n", mpu_irq[n]);
357 		return 0;
358 	}
359 
360 	if (mpu_irq[n] == irq[n]) {
361 		dev_err(dev, "cannot share IRQ between WSS and MPU-401\n");
362 		return 0;
363 	}
364 
365 fm:
366 	switch (fm_port[n]) {
367 	case SNDRV_AUTO_PORT:
368 		dev_warn(dev, "fm_port not specified: not using OPL3\n");
369 		fm_port[n] = -1;
370 		break;
371 	case 0x388:
372 		break;
373 	default:
374 		dev_err(dev, "illegal FM port %#lx\n", fm_port[n]);
375 		return 0;
376 	}
377 
378 	config[n] |= GALAXY_CONFIG_GAME_ENABLE;
379 	return 1;
380 }
381 
382 static int galaxy_init(struct snd_galaxy *galaxy, u8 *type)
383 {
384 	u8 major;
385 	u8 minor;
386 	int err;
387 
388 	err = dsp_reset(galaxy->port);
389 	if (err < 0)
390 		return err;
391 
392 	err = dsp_get_version(galaxy->port, &major, &minor);
393 	if (err < 0)
394 		return err;
395 
396 	if (major != GALAXY_DSP_MAJOR || minor != GALAXY_DSP_MINOR)
397 		return -ENODEV;
398 
399 	err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_8);
400 	if (err < 0)
401 		return err;
402 
403 	err = dsp_command(galaxy->port, GALAXY_COMMAND_GET_TYPE);
404 	if (err < 0)
405 		return err;
406 
407 	err = dsp_get_byte(galaxy->port, type);
408 	if (err < 0)
409 		return err;
410 
411 	return 0;
412 }
413 
414 static int galaxy_set_mode(struct snd_galaxy *galaxy, u8 mode)
415 {
416 	int err;
417 
418 	err = dsp_command(galaxy->port, DSP_COMMAND_GALAXY_9);
419 	if (err < 0)
420 		return err;
421 
422 	err = dsp_command(galaxy->port, mode);
423 	if (err < 0)
424 		return err;
425 
426 #ifdef AZT1605
427 	/*
428 	 * Needed for MPU IRQ on AZT1605, but AZT2316 loses WSS again
429 	 */
430 	err = dsp_reset(galaxy->port);
431 	if (err < 0)
432 		return err;
433 #endif
434 
435 	return 0;
436 }
437 
438 static void galaxy_set_config(struct snd_galaxy *galaxy, u32 config)
439 {
440 	u8 tmp = ioread8(galaxy->config_port + CONFIG_PORT_SET);
441 	int i;
442 
443 	iowrite8(tmp | 0x80, galaxy->config_port + CONFIG_PORT_SET);
444 	for (i = 0; i < GALAXY_CONFIG_SIZE; i++) {
445 		iowrite8(config, galaxy->config_port + i);
446 		config >>= 8;
447 	}
448 	iowrite8(tmp & 0x7f, galaxy->config_port + CONFIG_PORT_SET);
449 	msleep(10);
450 }
451 
452 static void galaxy_config(struct snd_galaxy *galaxy, u32 config)
453 {
454 	int i;
455 
456 	for (i = GALAXY_CONFIG_SIZE; i; i--) {
457 		u8 tmp = ioread8(galaxy->config_port + i - 1);
458 		galaxy->config = (galaxy->config << 8) | tmp;
459 	}
460 	config |= galaxy->config & GALAXY_CONFIG_MASK;
461 	galaxy_set_config(galaxy, config);
462 }
463 
464 static int galaxy_wss_config(struct snd_galaxy *galaxy, u8 wss_config)
465 {
466 	int err;
467 
468 	err = wss_detect(galaxy->wss_port);
469 	if (err < 0)
470 		return err;
471 
472 	wss_set_config(galaxy->wss_port, wss_config);
473 
474 	err = galaxy_set_mode(galaxy, GALAXY_MODE_WSS);
475 	if (err < 0)
476 		return err;
477 
478 	return 0;
479 }
480 
481 static void snd_galaxy_free(struct snd_card *card)
482 {
483 	struct snd_galaxy *galaxy = card->private_data;
484 
485 	if (galaxy->wss_port) {
486 		wss_set_config(galaxy->wss_port, 0);
487 		ioport_unmap(galaxy->wss_port);
488 		release_and_free_resource(galaxy->res_wss_port);
489 	}
490 	if (galaxy->config_port) {
491 		galaxy_set_config(galaxy, galaxy->config);
492 		ioport_unmap(galaxy->config_port);
493 		release_and_free_resource(galaxy->res_config_port);
494 	}
495 	if (galaxy->port) {
496 		ioport_unmap(galaxy->port);
497 		release_and_free_resource(galaxy->res_port);
498 	}
499 }
500 
501 static int snd_galaxy_probe(struct device *dev, unsigned int n)
502 {
503 	struct snd_galaxy *galaxy;
504 	struct snd_wss *chip;
505 	struct snd_card *card;
506 	u8 type;
507 	int err;
508 
509 	err = snd_card_new(dev, index[n], id[n], THIS_MODULE,
510 			   sizeof(*galaxy), &card);
511 	if (err < 0)
512 		return err;
513 
514 	card->private_free = snd_galaxy_free;
515 	galaxy = card->private_data;
516 
517 	galaxy->res_port = request_region(port[n], 16, DRV_NAME);
518 	if (!galaxy->res_port) {
519 		dev_err(dev, "could not grab ports %#lx-%#lx\n", port[n],
520 			port[n] + 15);
521 		err = -EBUSY;
522 		goto error;
523 	}
524 	galaxy->port = ioport_map(port[n], 16);
525 
526 	err = galaxy_init(galaxy, &type);
527 	if (err < 0) {
528 		dev_err(dev, "did not find a Sound Galaxy at %#lx\n", port[n]);
529 		goto error;
530 	}
531 	dev_info(dev, "Sound Galaxy (type %d) found at %#lx\n", type, port[n]);
532 
533 	galaxy->res_config_port = request_region(port[n] + GALAXY_PORT_CONFIG,
534 						 16, DRV_NAME);
535 	if (!galaxy->res_config_port) {
536 		dev_err(dev, "could not grab ports %#lx-%#lx\n",
537 			port[n] + GALAXY_PORT_CONFIG,
538 			port[n] + GALAXY_PORT_CONFIG + 15);
539 		err = -EBUSY;
540 		goto error;
541 	}
542 	galaxy->config_port = ioport_map(port[n] + GALAXY_PORT_CONFIG, 16);
543 
544 	galaxy_config(galaxy, config[n]);
545 
546 	galaxy->res_wss_port = request_region(wss_port[n], 4, DRV_NAME);
547 	if (!galaxy->res_wss_port)  {
548 		dev_err(dev, "could not grab ports %#lx-%#lx\n", wss_port[n],
549 			wss_port[n] + 3);
550 		err = -EBUSY;
551 		goto error;
552 	}
553 	galaxy->wss_port = ioport_map(wss_port[n], 4);
554 
555 	err = galaxy_wss_config(galaxy, wss_config[n]);
556 	if (err < 0) {
557 		dev_err(dev, "could not configure WSS\n");
558 		goto error;
559 	}
560 
561 	strcpy(card->driver, DRV_NAME);
562 	strcpy(card->shortname, DRV_NAME);
563 	sprintf(card->longname, "%s at %#lx/%#lx, irq %d, dma %d/%d",
564 		card->shortname, port[n], wss_port[n], irq[n], dma1[n],
565 		dma2[n]);
566 
567 	err = snd_wss_create(card, wss_port[n] + 4, -1, irq[n], dma1[n],
568 			     dma2[n], WSS_HW_DETECT, 0, &chip);
569 	if (err < 0)
570 		goto error;
571 
572 	err = snd_wss_pcm(chip, 0);
573 	if (err < 0)
574 		goto error;
575 
576 	err = snd_wss_mixer(chip);
577 	if (err < 0)
578 		goto error;
579 
580 	err = snd_wss_timer(chip, 0);
581 	if (err < 0)
582 		goto error;
583 
584 	if (mpu_port[n] >= 0) {
585 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
586 					  mpu_port[n], 0, mpu_irq[n], NULL);
587 		if (err < 0)
588 			goto error;
589 	}
590 
591 	if (fm_port[n] >= 0) {
592 		struct snd_opl3 *opl3;
593 
594 		err = snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
595 				      OPL3_HW_AUTO, 0, &opl3);
596 		if (err < 0) {
597 			dev_err(dev, "no OPL device at %#lx\n", fm_port[n]);
598 			goto error;
599 		}
600 		err = snd_opl3_timer_new(opl3, 1, 2);
601 		if (err < 0)
602 			goto error;
603 
604 		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
605 		if (err < 0)
606 			goto error;
607 	}
608 
609 	err = snd_card_register(card);
610 	if (err < 0)
611 		goto error;
612 
613 	dev_set_drvdata(dev, card);
614 	return 0;
615 
616 error:
617 	snd_card_free(card);
618 	return err;
619 }
620 
621 static int snd_galaxy_remove(struct device *dev, unsigned int n)
622 {
623 	snd_card_free(dev_get_drvdata(dev));
624 	return 0;
625 }
626 
627 static struct isa_driver snd_galaxy_driver = {
628 	.match		= snd_galaxy_match,
629 	.probe		= snd_galaxy_probe,
630 	.remove		= snd_galaxy_remove,
631 
632 	.driver		= {
633 		.name	= DEV_NAME
634 	}
635 };
636 
637 module_isa_driver(snd_galaxy_driver, SNDRV_CARDS);
638