xref: /linux/sound/isa/opti9xx/miro.c (revision d4b996f9ef1fe83d9ce9ad5c1ca0bd8231638ce5)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA soundcard driver for Miro miroSOUND PCM1 pro
4  *                                  miroSOUND PCM12
5  *                                  miroSOUND PCM20 Radio
6  *
7  *   Copyright (C) 2004-2005 Martin Langer <martin-langer@gmx.de>
8  *
9  *   Based on OSS ACI and ALSA OPTi9xx drivers
10  */
11 
12 #include <linux/init.h>
13 #include <linux/err.h>
14 #include <linux/isa.h>
15 #include <linux/pnp.h>
16 #include <linux/delay.h>
17 #include <linux/ioport.h>
18 #include <linux/module.h>
19 #include <linux/io.h>
20 #include <asm/dma.h>
21 #include <sound/core.h>
22 #include <sound/wss.h>
23 #include <sound/mpu401.h>
24 #include <sound/opl4.h>
25 #include <sound/control.h>
26 #include <sound/info.h>
27 #define SNDRV_LEGACY_FIND_FREE_IOPORT
28 #define SNDRV_LEGACY_FIND_FREE_IRQ
29 #define SNDRV_LEGACY_FIND_FREE_DMA
30 #include <sound/initval.h>
31 #include <sound/aci.h>
32 
33 MODULE_AUTHOR("Martin Langer <martin-langer@gmx.de>");
34 MODULE_LICENSE("GPL");
35 MODULE_DESCRIPTION("Miro miroSOUND PCM1 pro, PCM12, PCM20 Radio");
36 
37 static int index = SNDRV_DEFAULT_IDX1;		/* Index 0-MAX */
38 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
39 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
40 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
41 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
42 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
43 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
44 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
45 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
46 static int wss;
47 static int ide;
48 #ifdef CONFIG_PNP
49 static bool isapnp = 1;				/* Enable ISA PnP detection */
50 #endif
51 
52 module_param(index, int, 0444);
53 MODULE_PARM_DESC(index, "Index value for miro soundcard.");
54 module_param(id, charp, 0444);
55 MODULE_PARM_DESC(id, "ID string for miro soundcard.");
56 module_param_hw(port, long, ioport, 0444);
57 MODULE_PARM_DESC(port, "WSS port # for miro driver.");
58 module_param_hw(mpu_port, long, ioport, 0444);
59 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for miro driver.");
60 module_param_hw(fm_port, long, ioport, 0444);
61 MODULE_PARM_DESC(fm_port, "FM Port # for miro driver.");
62 module_param_hw(irq, int, irq, 0444);
63 MODULE_PARM_DESC(irq, "WSS irq # for miro driver.");
64 module_param_hw(mpu_irq, int, irq, 0444);
65 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for miro driver.");
66 module_param_hw(dma1, int, dma, 0444);
67 MODULE_PARM_DESC(dma1, "1st dma # for miro driver.");
68 module_param_hw(dma2, int, dma, 0444);
69 MODULE_PARM_DESC(dma2, "2nd dma # for miro driver.");
70 module_param(wss, int, 0444);
71 MODULE_PARM_DESC(wss, "wss mode");
72 module_param(ide, int, 0444);
73 MODULE_PARM_DESC(ide, "enable ide port");
74 #ifdef CONFIG_PNP
75 module_param(isapnp, bool, 0444);
76 MODULE_PARM_DESC(isapnp, "Enable ISA PnP detection for specified soundcard.");
77 #endif
78 
79 #define OPTi9XX_HW_DETECT	0
80 #define OPTi9XX_HW_82C928	1
81 #define OPTi9XX_HW_82C929	2
82 #define OPTi9XX_HW_82C924	3
83 #define OPTi9XX_HW_82C925	4
84 #define OPTi9XX_HW_82C930	5
85 #define OPTi9XX_HW_82C931	6
86 #define OPTi9XX_HW_82C933	7
87 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
88 
89 #define OPTi9XX_MC_REG(n)	n
90 
91 struct snd_miro {
92 	unsigned short hardware;
93 	unsigned char password;
94 	char name[7];
95 
96 	struct resource *res_mc_base;
97 	struct resource *res_aci_port;
98 
99 	unsigned long mc_base;
100 	unsigned long mc_base_size;
101 	unsigned long pwd_reg;
102 
103 	spinlock_t lock;
104 	struct snd_pcm *pcm;
105 
106 	long wss_base;
107 	int irq;
108 	int dma1;
109 	int dma2;
110 
111 	long mpu_port;
112 	int mpu_irq;
113 
114 	struct snd_miro_aci *aci;
115 };
116 
117 static struct snd_miro_aci aci_device;
118 
119 static const char * const snd_opti9xx_names[] = {
120 	"unknown",
121 	"82C928", "82C929",
122 	"82C924", "82C925",
123 	"82C930", "82C931", "82C933"
124 };
125 
126 static int snd_miro_pnp_is_probed;
127 
128 #ifdef CONFIG_PNP
129 
130 static const struct pnp_card_device_id snd_miro_pnpids[] = {
131 	/* PCM20 and PCM12 in PnP mode */
132 	{ .id = "MIR0924",
133 	  .devs = { { "MIR0000" }, { "MIR0002" }, { "MIR0005" } }, },
134 	{ .id = "" }
135 };
136 
137 MODULE_DEVICE_TABLE(pnp_card, snd_miro_pnpids);
138 
139 #endif	/* CONFIG_PNP */
140 
141 /*
142  *  ACI control
143  */
144 
145 static int aci_busy_wait(struct snd_miro_aci *aci)
146 {
147 	long timeout;
148 	unsigned char byte;
149 
150 	for (timeout = 1; timeout <= ACI_MINTIME + 30; timeout++) {
151 		byte = inb(aci->aci_port + ACI_REG_BUSY);
152 		if ((byte & 1) == 0) {
153 			if (timeout >= ACI_MINTIME)
154 				snd_printd("aci ready in round %ld.\n",
155 					   timeout-ACI_MINTIME);
156 			return byte;
157 		}
158 		if (timeout >= ACI_MINTIME) {
159 			long out=10*HZ;
160 			switch (timeout-ACI_MINTIME) {
161 			case 0 ... 9:
162 				out /= 10;
163 				fallthrough;
164 			case 10 ... 19:
165 				out /= 10;
166 				fallthrough;
167 			case 20 ... 30:
168 				out /= 10;
169 				fallthrough;
170 			default:
171 				set_current_state(TASK_UNINTERRUPTIBLE);
172 				schedule_timeout(out);
173 				break;
174 			}
175 		}
176 	}
177 	snd_printk(KERN_ERR "aci_busy_wait() time out\n");
178 	return -EBUSY;
179 }
180 
181 static inline int aci_write(struct snd_miro_aci *aci, unsigned char byte)
182 {
183 	if (aci_busy_wait(aci) >= 0) {
184 		outb(byte, aci->aci_port + ACI_REG_COMMAND);
185 		return 0;
186 	} else {
187 		snd_printk(KERN_ERR "aci busy, aci_write(0x%x) stopped.\n", byte);
188 		return -EBUSY;
189 	}
190 }
191 
192 static inline int aci_read(struct snd_miro_aci *aci)
193 {
194 	unsigned char byte;
195 
196 	if (aci_busy_wait(aci) >= 0) {
197 		byte = inb(aci->aci_port + ACI_REG_STATUS);
198 		return byte;
199 	} else {
200 		snd_printk(KERN_ERR "aci busy, aci_read() stopped.\n");
201 		return -EBUSY;
202 	}
203 }
204 
205 int snd_aci_cmd(struct snd_miro_aci *aci, int write1, int write2, int write3)
206 {
207 	int write[] = {write1, write2, write3};
208 	int value, i;
209 
210 	if (mutex_lock_interruptible(&aci->aci_mutex))
211 		return -EINTR;
212 
213 	for (i=0; i<3; i++) {
214 		if (write[i]< 0 || write[i] > 255)
215 			break;
216 		else {
217 			value = aci_write(aci, write[i]);
218 			if (value < 0)
219 				goto out;
220 		}
221 	}
222 
223 	value = aci_read(aci);
224 
225 out:	mutex_unlock(&aci->aci_mutex);
226 	return value;
227 }
228 EXPORT_SYMBOL(snd_aci_cmd);
229 
230 static int aci_getvalue(struct snd_miro_aci *aci, unsigned char index)
231 {
232 	return snd_aci_cmd(aci, ACI_STATUS, index, -1);
233 }
234 
235 static int aci_setvalue(struct snd_miro_aci *aci, unsigned char index,
236 			int value)
237 {
238 	return snd_aci_cmd(aci, index, value, -1);
239 }
240 
241 struct snd_miro_aci *snd_aci_get_aci(void)
242 {
243 	if (aci_device.aci_port == 0)
244 		return NULL;
245 	return &aci_device;
246 }
247 EXPORT_SYMBOL(snd_aci_get_aci);
248 
249 /*
250  *  MIXER part
251  */
252 
253 #define snd_miro_info_capture	snd_ctl_boolean_mono_info
254 
255 static int snd_miro_get_capture(struct snd_kcontrol *kcontrol,
256 				struct snd_ctl_elem_value *ucontrol)
257 {
258 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
259 	int value;
260 
261 	value = aci_getvalue(miro->aci, ACI_S_GENERAL);
262 	if (value < 0) {
263 		snd_printk(KERN_ERR "snd_miro_get_capture() failed: %d\n",
264 			   value);
265 		return value;
266 	}
267 
268 	ucontrol->value.integer.value[0] = value & 0x20;
269 
270 	return 0;
271 }
272 
273 static int snd_miro_put_capture(struct snd_kcontrol *kcontrol,
274 				struct snd_ctl_elem_value *ucontrol)
275 {
276 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
277 	int change, value, error;
278 
279 	value = !(ucontrol->value.integer.value[0]);
280 
281 	error = aci_setvalue(miro->aci, ACI_SET_SOLOMODE, value);
282 	if (error < 0) {
283 		snd_printk(KERN_ERR "snd_miro_put_capture() failed: %d\n",
284 			   error);
285 		return error;
286 	}
287 
288 	change = (value != miro->aci->aci_solomode);
289 	miro->aci->aci_solomode = value;
290 
291 	return change;
292 }
293 
294 static int snd_miro_info_preamp(struct snd_kcontrol *kcontrol,
295 				struct snd_ctl_elem_info *uinfo)
296 {
297 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
298 	uinfo->count = 1;
299 	uinfo->value.integer.min = 0;
300 	uinfo->value.integer.max = 3;
301 
302 	return 0;
303 }
304 
305 static int snd_miro_get_preamp(struct snd_kcontrol *kcontrol,
306 			       struct snd_ctl_elem_value *ucontrol)
307 {
308 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
309 	int value;
310 
311 	if (miro->aci->aci_version <= 176) {
312 
313 		/*
314 		   OSS says it's not readable with versions < 176.
315 		   But it doesn't work on my card,
316 		   which is a PCM12 with aci_version = 176.
317 		*/
318 
319 		ucontrol->value.integer.value[0] = miro->aci->aci_preamp;
320 		return 0;
321 	}
322 
323 	value = aci_getvalue(miro->aci, ACI_GET_PREAMP);
324 	if (value < 0) {
325 		snd_printk(KERN_ERR "snd_miro_get_preamp() failed: %d\n",
326 			   value);
327 		return value;
328 	}
329 
330 	ucontrol->value.integer.value[0] = value;
331 
332 	return 0;
333 }
334 
335 static int snd_miro_put_preamp(struct snd_kcontrol *kcontrol,
336 			       struct snd_ctl_elem_value *ucontrol)
337 {
338 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
339 	int error, value, change;
340 
341 	value = ucontrol->value.integer.value[0];
342 
343 	error = aci_setvalue(miro->aci, ACI_SET_PREAMP, value);
344 	if (error < 0) {
345 		snd_printk(KERN_ERR "snd_miro_put_preamp() failed: %d\n",
346 			   error);
347 		return error;
348 	}
349 
350 	change = (value != miro->aci->aci_preamp);
351 	miro->aci->aci_preamp = value;
352 
353 	return change;
354 }
355 
356 #define snd_miro_info_amp	snd_ctl_boolean_mono_info
357 
358 static int snd_miro_get_amp(struct snd_kcontrol *kcontrol,
359 			    struct snd_ctl_elem_value *ucontrol)
360 {
361 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
362 	ucontrol->value.integer.value[0] = miro->aci->aci_amp;
363 
364 	return 0;
365 }
366 
367 static int snd_miro_put_amp(struct snd_kcontrol *kcontrol,
368 			    struct snd_ctl_elem_value *ucontrol)
369 {
370 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
371 	int error, value, change;
372 
373 	value = ucontrol->value.integer.value[0];
374 
375 	error = aci_setvalue(miro->aci, ACI_SET_POWERAMP, value);
376 	if (error < 0) {
377 		snd_printk(KERN_ERR "snd_miro_put_amp() to %d failed: %d\n", value, error);
378 		return error;
379 	}
380 
381 	change = (value != miro->aci->aci_amp);
382 	miro->aci->aci_amp = value;
383 
384 	return change;
385 }
386 
387 #define MIRO_DOUBLE(ctl_name, ctl_index, get_right_reg, set_right_reg) \
388 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
389   .name = ctl_name, \
390   .index = ctl_index, \
391   .info = snd_miro_info_double, \
392   .get = snd_miro_get_double, \
393   .put = snd_miro_put_double, \
394   .private_value = get_right_reg | (set_right_reg << 8) \
395 }
396 
397 static int snd_miro_info_double(struct snd_kcontrol *kcontrol,
398 				struct snd_ctl_elem_info *uinfo)
399 {
400 	int reg = kcontrol->private_value & 0xff;
401 
402 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
403 	uinfo->count = 2;
404 
405 	if ((reg >= ACI_GET_EQ1) && (reg <= ACI_GET_EQ7)) {
406 
407 		/* equalizer elements */
408 
409 		uinfo->value.integer.min = - 0x7f;
410 		uinfo->value.integer.max = 0x7f;
411 	} else {
412 
413 		/* non-equalizer elements */
414 
415 		uinfo->value.integer.min = 0;
416 		uinfo->value.integer.max = 0x20;
417 	}
418 
419 	return 0;
420 }
421 
422 static int snd_miro_get_double(struct snd_kcontrol *kcontrol,
423 			       struct snd_ctl_elem_value *uinfo)
424 {
425 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
426 	int left_val, right_val;
427 
428 	int right_reg = kcontrol->private_value & 0xff;
429 	int left_reg = right_reg + 1;
430 
431 	right_val = aci_getvalue(miro->aci, right_reg);
432 	if (right_val < 0) {
433 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", right_reg, right_val);
434 		return right_val;
435 	}
436 
437 	left_val = aci_getvalue(miro->aci, left_reg);
438 	if (left_val < 0) {
439 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", left_reg, left_val);
440 		return left_val;
441 	}
442 
443 	if ((right_reg >= ACI_GET_EQ1) && (right_reg <= ACI_GET_EQ7)) {
444 
445 		/* equalizer elements */
446 
447 		if (left_val < 0x80) {
448 			uinfo->value.integer.value[0] = left_val;
449 		} else {
450 			uinfo->value.integer.value[0] = 0x80 - left_val;
451 		}
452 
453 		if (right_val < 0x80) {
454 			uinfo->value.integer.value[1] = right_val;
455 		} else {
456 			uinfo->value.integer.value[1] = 0x80 - right_val;
457 		}
458 
459 	} else {
460 
461 		/* non-equalizer elements */
462 
463 		uinfo->value.integer.value[0] = 0x20 - left_val;
464 		uinfo->value.integer.value[1] = 0x20 - right_val;
465 	}
466 
467 	return 0;
468 }
469 
470 static int snd_miro_put_double(struct snd_kcontrol *kcontrol,
471 			       struct snd_ctl_elem_value *ucontrol)
472 {
473 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
474 	struct snd_miro_aci *aci = miro->aci;
475 	int left, right, left_old, right_old;
476 	int setreg_left, setreg_right, getreg_left, getreg_right;
477 	int change, error;
478 
479 	left = ucontrol->value.integer.value[0];
480 	right = ucontrol->value.integer.value[1];
481 
482 	setreg_right = (kcontrol->private_value >> 8) & 0xff;
483 	setreg_left = setreg_right + 8;
484 	if (setreg_right == ACI_SET_MASTER)
485 		setreg_left -= 7;
486 
487 	getreg_right = kcontrol->private_value & 0xff;
488 	getreg_left = getreg_right + 1;
489 
490 	left_old = aci_getvalue(aci, getreg_left);
491 	if (left_old < 0) {
492 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_left, left_old);
493 		return left_old;
494 	}
495 
496 	right_old = aci_getvalue(aci, getreg_right);
497 	if (right_old < 0) {
498 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_right, right_old);
499 		return right_old;
500 	}
501 
502 	if ((getreg_right >= ACI_GET_EQ1) && (getreg_right <= ACI_GET_EQ7)) {
503 
504 		/* equalizer elements */
505 
506 		if (left < -0x7f || left > 0x7f ||
507 		    right < -0x7f || right > 0x7f)
508 			return -EINVAL;
509 
510 		if (left_old > 0x80)
511 			left_old = 0x80 - left_old;
512 		if (right_old > 0x80)
513 			right_old = 0x80 - right_old;
514 
515 		if (left >= 0) {
516 			error = aci_setvalue(aci, setreg_left, left);
517 			if (error < 0) {
518 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
519 					   left, error);
520 				return error;
521 			}
522 		} else {
523 			error = aci_setvalue(aci, setreg_left, 0x80 - left);
524 			if (error < 0) {
525 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
526 					   0x80 - left, error);
527 				return error;
528 			}
529 		}
530 
531 		if (right >= 0) {
532 			error = aci_setvalue(aci, setreg_right, right);
533 			if (error < 0) {
534 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
535 					   right, error);
536 				return error;
537 			}
538 		} else {
539 			error = aci_setvalue(aci, setreg_right, 0x80 - right);
540 			if (error < 0) {
541 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
542 					   0x80 - right, error);
543 				return error;
544 			}
545 		}
546 
547 	} else {
548 
549 		/* non-equalizer elements */
550 
551 		if (left < 0 || left > 0x20 ||
552 		    right < 0 || right > 0x20)
553 			return -EINVAL;
554 
555 		left_old = 0x20 - left_old;
556 		right_old = 0x20 - right_old;
557 
558 		error = aci_setvalue(aci, setreg_left, 0x20 - left);
559 		if (error < 0) {
560 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
561 				   0x20 - left, error);
562 			return error;
563 		}
564 		error = aci_setvalue(aci, setreg_right, 0x20 - right);
565 		if (error < 0) {
566 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
567 				   0x20 - right, error);
568 			return error;
569 		}
570 	}
571 
572 	change = (left != left_old) || (right != right_old);
573 
574 	return change;
575 }
576 
577 static const struct snd_kcontrol_new snd_miro_controls[] = {
578 MIRO_DOUBLE("Master Playback Volume", 0, ACI_GET_MASTER, ACI_SET_MASTER),
579 MIRO_DOUBLE("Mic Playback Volume", 1, ACI_GET_MIC, ACI_SET_MIC),
580 MIRO_DOUBLE("Line Playback Volume", 1, ACI_GET_LINE, ACI_SET_LINE),
581 MIRO_DOUBLE("CD Playback Volume", 0, ACI_GET_CD, ACI_SET_CD),
582 MIRO_DOUBLE("Synth Playback Volume", 0, ACI_GET_SYNTH, ACI_SET_SYNTH),
583 MIRO_DOUBLE("PCM Playback Volume", 1, ACI_GET_PCM, ACI_SET_PCM),
584 MIRO_DOUBLE("Aux Playback Volume", 2, ACI_GET_LINE2, ACI_SET_LINE2),
585 };
586 
587 /* Equalizer with seven bands (only PCM20)
588    from -12dB up to +12dB on each band */
589 static const struct snd_kcontrol_new snd_miro_eq_controls[] = {
590 MIRO_DOUBLE("Tone Control - 28 Hz", 0, ACI_GET_EQ1, ACI_SET_EQ1),
591 MIRO_DOUBLE("Tone Control - 160 Hz", 0, ACI_GET_EQ2, ACI_SET_EQ2),
592 MIRO_DOUBLE("Tone Control - 400 Hz", 0, ACI_GET_EQ3, ACI_SET_EQ3),
593 MIRO_DOUBLE("Tone Control - 1 kHz", 0, ACI_GET_EQ4, ACI_SET_EQ4),
594 MIRO_DOUBLE("Tone Control - 2.5 kHz", 0, ACI_GET_EQ5, ACI_SET_EQ5),
595 MIRO_DOUBLE("Tone Control - 6.3 kHz", 0, ACI_GET_EQ6, ACI_SET_EQ6),
596 MIRO_DOUBLE("Tone Control - 16 kHz", 0, ACI_GET_EQ7, ACI_SET_EQ7),
597 };
598 
599 static const struct snd_kcontrol_new snd_miro_radio_control[] = {
600 MIRO_DOUBLE("Radio Playback Volume", 0, ACI_GET_LINE1, ACI_SET_LINE1),
601 };
602 
603 static const struct snd_kcontrol_new snd_miro_line_control[] = {
604 MIRO_DOUBLE("Line Playback Volume", 2, ACI_GET_LINE1, ACI_SET_LINE1),
605 };
606 
607 static const struct snd_kcontrol_new snd_miro_preamp_control[] = {
608 {
609 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
610 	.name = "Mic Boost",
611 	.index = 1,
612 	.info = snd_miro_info_preamp,
613 	.get = snd_miro_get_preamp,
614 	.put = snd_miro_put_preamp,
615 }};
616 
617 static const struct snd_kcontrol_new snd_miro_amp_control[] = {
618 {
619 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
620 	.name = "Line Boost",
621 	.index = 0,
622 	.info = snd_miro_info_amp,
623 	.get = snd_miro_get_amp,
624 	.put = snd_miro_put_amp,
625 }};
626 
627 static const struct snd_kcontrol_new snd_miro_capture_control[] = {
628 {
629 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
630 	.name = "PCM Capture Switch",
631 	.index = 0,
632 	.info = snd_miro_info_capture,
633 	.get = snd_miro_get_capture,
634 	.put = snd_miro_put_capture,
635 }};
636 
637 static const unsigned char aci_init_values[][2] = {
638 	{ ACI_SET_MUTE, 0x00 },
639 	{ ACI_SET_POWERAMP, 0x00 },
640 	{ ACI_SET_PREAMP, 0x00 },
641 	{ ACI_SET_SOLOMODE, 0x00 },
642 	{ ACI_SET_MIC + 0, 0x20 },
643 	{ ACI_SET_MIC + 8, 0x20 },
644 	{ ACI_SET_LINE + 0, 0x20 },
645 	{ ACI_SET_LINE + 8, 0x20 },
646 	{ ACI_SET_CD + 0, 0x20 },
647 	{ ACI_SET_CD + 8, 0x20 },
648 	{ ACI_SET_PCM + 0, 0x20 },
649 	{ ACI_SET_PCM + 8, 0x20 },
650 	{ ACI_SET_LINE1 + 0, 0x20 },
651 	{ ACI_SET_LINE1 + 8, 0x20 },
652 	{ ACI_SET_LINE2 + 0, 0x20 },
653 	{ ACI_SET_LINE2 + 8, 0x20 },
654 	{ ACI_SET_SYNTH + 0, 0x20 },
655 	{ ACI_SET_SYNTH + 8, 0x20 },
656 	{ ACI_SET_MASTER + 0, 0x20 },
657 	{ ACI_SET_MASTER + 1, 0x20 },
658 };
659 
660 static int snd_set_aci_init_values(struct snd_miro *miro)
661 {
662 	int idx, error;
663 	struct snd_miro_aci *aci = miro->aci;
664 
665 	/* enable WSS on PCM1 */
666 
667 	if ((aci->aci_product == 'A') && wss) {
668 		error = aci_setvalue(aci, ACI_SET_WSS, wss);
669 		if (error < 0) {
670 			snd_printk(KERN_ERR "enabling WSS mode failed\n");
671 			return error;
672 		}
673 	}
674 
675 	/* enable IDE port */
676 
677 	if (ide) {
678 		error = aci_setvalue(aci, ACI_SET_IDE, ide);
679 		if (error < 0) {
680 			snd_printk(KERN_ERR "enabling IDE port failed\n");
681 			return error;
682 		}
683 	}
684 
685 	/* set common aci values */
686 
687 	for (idx = 0; idx < ARRAY_SIZE(aci_init_values); idx++) {
688 		error = aci_setvalue(aci, aci_init_values[idx][0],
689 				     aci_init_values[idx][1]);
690 		if (error < 0) {
691 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
692 				   aci_init_values[idx][0], error);
693                         return error;
694                 }
695 	}
696 	aci->aci_amp = 0;
697 	aci->aci_preamp = 0;
698 	aci->aci_solomode = 1;
699 
700 	return 0;
701 }
702 
703 static int snd_miro_mixer(struct snd_card *card,
704 			  struct snd_miro *miro)
705 {
706 	unsigned int idx;
707 	int err;
708 
709 	if (snd_BUG_ON(!miro || !card))
710 		return -EINVAL;
711 
712 	switch (miro->hardware) {
713 	case OPTi9XX_HW_82C924:
714 		strcpy(card->mixername, "ACI & OPTi924");
715 		break;
716 	case OPTi9XX_HW_82C929:
717 		strcpy(card->mixername, "ACI & OPTi929");
718 		break;
719 	default:
720 		snd_BUG();
721 		break;
722 	}
723 
724 	for (idx = 0; idx < ARRAY_SIZE(snd_miro_controls); idx++) {
725 		err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_controls[idx], miro));
726 		if (err < 0)
727 			return err;
728 	}
729 
730 	if ((miro->aci->aci_product == 'A') ||
731 	    (miro->aci->aci_product == 'B')) {
732 		/* PCM1/PCM12 with power-amp and Line 2 */
733 		err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_line_control[0], miro));
734 		if (err < 0)
735 			return err;
736 		err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_amp_control[0], miro));
737 		if (err < 0)
738 			return err;
739 	}
740 
741 	if ((miro->aci->aci_product == 'B') ||
742 	    (miro->aci->aci_product == 'C')) {
743 		/* PCM12/PCM20 with mic-preamp */
744 		err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_preamp_control[0], miro));
745 		if (err < 0)
746 			return err;
747 		if (miro->aci->aci_version >= 176) {
748 			err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_capture_control[0], miro));
749 			if (err < 0)
750 				return err;
751 		}
752 	}
753 
754 	if (miro->aci->aci_product == 'C') {
755 		/* PCM20 with radio and 7 band equalizer */
756 		err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_radio_control[0], miro));
757 		if (err < 0)
758 			return err;
759 		for (idx = 0; idx < ARRAY_SIZE(snd_miro_eq_controls); idx++) {
760 			err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_eq_controls[idx], miro));
761 			if (err < 0)
762 				return err;
763 		}
764 	}
765 
766 	return 0;
767 }
768 
769 static int snd_miro_init(struct snd_miro *chip,
770 			 unsigned short hardware)
771 {
772 	static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
773 
774 	chip->hardware = hardware;
775 	strcpy(chip->name, snd_opti9xx_names[hardware]);
776 
777 	chip->mc_base_size = opti9xx_mc_size[hardware];
778 
779 	spin_lock_init(&chip->lock);
780 
781 	chip->wss_base = -1;
782 	chip->irq = -1;
783 	chip->dma1 = -1;
784 	chip->dma2 = -1;
785 	chip->mpu_port = -1;
786 	chip->mpu_irq = -1;
787 
788 	chip->pwd_reg = 3;
789 
790 #ifdef CONFIG_PNP
791 	if (isapnp && chip->mc_base)
792 		/* PnP resource gives the least 10 bits */
793 		chip->mc_base |= 0xc00;
794 	else
795 #endif
796 		chip->mc_base = 0xf8c;
797 
798 	switch (hardware) {
799 	case OPTi9XX_HW_82C929:
800 		chip->password = 0xe3;
801 		break;
802 
803 	case OPTi9XX_HW_82C924:
804 		chip->password = 0xe5;
805 		break;
806 
807 	default:
808 		snd_printk(KERN_ERR "sorry, no support for %d\n", hardware);
809 		return -ENODEV;
810 	}
811 
812 	return 0;
813 }
814 
815 static unsigned char snd_miro_read(struct snd_miro *chip,
816 				   unsigned char reg)
817 {
818 	unsigned long flags;
819 	unsigned char retval = 0xff;
820 
821 	spin_lock_irqsave(&chip->lock, flags);
822 	outb(chip->password, chip->mc_base + chip->pwd_reg);
823 
824 	switch (chip->hardware) {
825 	case OPTi9XX_HW_82C924:
826 		if (reg > 7) {
827 			outb(reg, chip->mc_base + 8);
828 			outb(chip->password, chip->mc_base + chip->pwd_reg);
829 			retval = inb(chip->mc_base + 9);
830 			break;
831 		}
832 		fallthrough;
833 
834 	case OPTi9XX_HW_82C929:
835 		retval = inb(chip->mc_base + reg);
836 		break;
837 
838 	default:
839 		snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
840 	}
841 
842 	spin_unlock_irqrestore(&chip->lock, flags);
843 	return retval;
844 }
845 
846 static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
847 			   unsigned char value)
848 {
849 	unsigned long flags;
850 
851 	spin_lock_irqsave(&chip->lock, flags);
852 	outb(chip->password, chip->mc_base + chip->pwd_reg);
853 
854 	switch (chip->hardware) {
855 	case OPTi9XX_HW_82C924:
856 		if (reg > 7) {
857 			outb(reg, chip->mc_base + 8);
858 			outb(chip->password, chip->mc_base + chip->pwd_reg);
859 			outb(value, chip->mc_base + 9);
860 			break;
861 		}
862 		fallthrough;
863 
864 	case OPTi9XX_HW_82C929:
865 		outb(value, chip->mc_base + reg);
866 		break;
867 
868 	default:
869 		snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
870 	}
871 
872 	spin_unlock_irqrestore(&chip->lock, flags);
873 }
874 
875 static inline void snd_miro_write_mask(struct snd_miro *chip,
876 		unsigned char reg, unsigned char value, unsigned char mask)
877 {
878 	unsigned char oldval = snd_miro_read(chip, reg);
879 
880 	snd_miro_write(chip, reg, (oldval & ~mask) | (value & mask));
881 }
882 
883 /*
884  *  Proc Interface
885  */
886 
887 static void snd_miro_proc_read(struct snd_info_entry * entry,
888 			       struct snd_info_buffer *buffer)
889 {
890 	struct snd_miro *miro = (struct snd_miro *) entry->private_data;
891 	struct snd_miro_aci *aci = miro->aci;
892 	char* model = "unknown";
893 
894 	/* miroSOUND PCM1 pro, early PCM12 */
895 
896 	if ((miro->hardware == OPTi9XX_HW_82C929) &&
897 	    (aci->aci_vendor == 'm') &&
898 	    (aci->aci_product == 'A')) {
899 		switch (aci->aci_version) {
900 		case 3:
901 			model = "miroSOUND PCM1 pro";
902 			break;
903 		default:
904 			model = "miroSOUND PCM1 pro / (early) PCM12";
905 			break;
906 		}
907 	}
908 
909 	/* miroSOUND PCM12, PCM12 (Rev. E), PCM12 pnp */
910 
911 	if ((miro->hardware == OPTi9XX_HW_82C924) &&
912 	    (aci->aci_vendor == 'm') &&
913 	    (aci->aci_product == 'B')) {
914 		switch (aci->aci_version) {
915 		case 4:
916 			model = "miroSOUND PCM12";
917 			break;
918 		case 176:
919 			model = "miroSOUND PCM12 (Rev. E)";
920 			break;
921 		default:
922 			model = "miroSOUND PCM12 / PCM12 pnp";
923 			break;
924 		}
925 	}
926 
927 	/* miroSOUND PCM20 radio */
928 
929 	if ((miro->hardware == OPTi9XX_HW_82C924) &&
930 	    (aci->aci_vendor == 'm') &&
931 	    (aci->aci_product == 'C')) {
932 		switch (aci->aci_version) {
933 		case 7:
934 			model = "miroSOUND PCM20 radio (Rev. E)";
935 			break;
936 		default:
937 			model = "miroSOUND PCM20 radio";
938 			break;
939 		}
940 	}
941 
942 	snd_iprintf(buffer, "\nGeneral information:\n");
943 	snd_iprintf(buffer, "  model   : %s\n", model);
944 	snd_iprintf(buffer, "  opti    : %s\n", miro->name);
945 	snd_iprintf(buffer, "  codec   : %s\n", miro->pcm->name);
946 	snd_iprintf(buffer, "  port    : 0x%lx\n", miro->wss_base);
947 	snd_iprintf(buffer, "  irq     : %d\n", miro->irq);
948 	snd_iprintf(buffer, "  dma     : %d,%d\n\n", miro->dma1, miro->dma2);
949 
950 	snd_iprintf(buffer, "MPU-401:\n");
951 	snd_iprintf(buffer, "  port    : 0x%lx\n", miro->mpu_port);
952 	snd_iprintf(buffer, "  irq     : %d\n\n", miro->mpu_irq);
953 
954 	snd_iprintf(buffer, "ACI information:\n");
955 	snd_iprintf(buffer, "  vendor  : ");
956 	switch (aci->aci_vendor) {
957 	case 'm':
958 		snd_iprintf(buffer, "Miro\n");
959 		break;
960 	default:
961 		snd_iprintf(buffer, "unknown (0x%x)\n", aci->aci_vendor);
962 		break;
963 	}
964 
965 	snd_iprintf(buffer, "  product : ");
966 	switch (aci->aci_product) {
967 	case 'A':
968 		snd_iprintf(buffer, "miroSOUND PCM1 pro / (early) PCM12\n");
969 		break;
970 	case 'B':
971 		snd_iprintf(buffer, "miroSOUND PCM12\n");
972 		break;
973 	case 'C':
974 		snd_iprintf(buffer, "miroSOUND PCM20 radio\n");
975 		break;
976 	default:
977 		snd_iprintf(buffer, "unknown (0x%x)\n", aci->aci_product);
978 		break;
979 	}
980 
981 	snd_iprintf(buffer, "  firmware: %d (0x%x)\n",
982 		    aci->aci_version, aci->aci_version);
983 	snd_iprintf(buffer, "  port    : 0x%lx-0x%lx\n",
984 		    aci->aci_port, aci->aci_port+2);
985 	snd_iprintf(buffer, "  wss     : 0x%x\n", wss);
986 	snd_iprintf(buffer, "  ide     : 0x%x\n", ide);
987 	snd_iprintf(buffer, "  solomode: 0x%x\n", aci->aci_solomode);
988 	snd_iprintf(buffer, "  amp     : 0x%x\n", aci->aci_amp);
989 	snd_iprintf(buffer, "  preamp  : 0x%x\n", aci->aci_preamp);
990 }
991 
992 static void snd_miro_proc_init(struct snd_card *card,
993 			       struct snd_miro *miro)
994 {
995 	snd_card_ro_proc_new(card, "miro", miro, snd_miro_proc_read);
996 }
997 
998 /*
999  *  Init
1000  */
1001 
1002 static int snd_miro_configure(struct snd_miro *chip)
1003 {
1004 	unsigned char wss_base_bits;
1005 	unsigned char irq_bits;
1006 	unsigned char dma_bits;
1007 	unsigned char mpu_port_bits = 0;
1008 	unsigned char mpu_irq_bits;
1009 	unsigned long flags;
1010 
1011 	snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
1012 	snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
1013 	snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
1014 
1015 	switch (chip->hardware) {
1016 	case OPTi9XX_HW_82C924:
1017 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
1018 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
1019 		break;
1020 	case OPTi9XX_HW_82C929:
1021 		/* untested init commands for OPTi929 */
1022 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
1023 		break;
1024 	default:
1025 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
1026 		return -EINVAL;
1027 	}
1028 
1029 	/* PnP resource says it decodes only 10 bits of address */
1030 	switch (chip->wss_base & 0x3ff) {
1031 	case 0x130:
1032 		chip->wss_base = 0x530;
1033 		wss_base_bits = 0x00;
1034 		break;
1035 	case 0x204:
1036 		chip->wss_base = 0x604;
1037 		wss_base_bits = 0x03;
1038 		break;
1039 	case 0x280:
1040 		chip->wss_base = 0xe80;
1041 		wss_base_bits = 0x01;
1042 		break;
1043 	case 0x340:
1044 		chip->wss_base = 0xf40;
1045 		wss_base_bits = 0x02;
1046 		break;
1047 	default:
1048 		snd_printk(KERN_ERR "WSS port 0x%lx not valid\n", chip->wss_base);
1049 		goto __skip_base;
1050 	}
1051 	snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
1052 
1053 __skip_base:
1054 	switch (chip->irq) {
1055 	case 5:
1056 		irq_bits = 0x05;
1057 		break;
1058 	case 7:
1059 		irq_bits = 0x01;
1060 		break;
1061 	case 9:
1062 		irq_bits = 0x02;
1063 		break;
1064 	case 10:
1065 		irq_bits = 0x03;
1066 		break;
1067 	case 11:
1068 		irq_bits = 0x04;
1069 		break;
1070 	default:
1071 		snd_printk(KERN_ERR "WSS irq # %d not valid\n", chip->irq);
1072 		goto __skip_resources;
1073 	}
1074 
1075 	switch (chip->dma1) {
1076 	case 0:
1077 		dma_bits = 0x01;
1078 		break;
1079 	case 1:
1080 		dma_bits = 0x02;
1081 		break;
1082 	case 3:
1083 		dma_bits = 0x03;
1084 		break;
1085 	default:
1086 		snd_printk(KERN_ERR "WSS dma1 # %d not valid\n", chip->dma1);
1087 		goto __skip_resources;
1088 	}
1089 
1090 	if (chip->dma1 == chip->dma2) {
1091 		snd_printk(KERN_ERR "don't want to share dmas\n");
1092 		return -EBUSY;
1093 	}
1094 
1095 	switch (chip->dma2) {
1096 	case 0:
1097 	case 1:
1098 		break;
1099 	default:
1100 		snd_printk(KERN_ERR "WSS dma2 # %d not valid\n", chip->dma2);
1101 		goto __skip_resources;
1102 	}
1103 	dma_bits |= 0x04;
1104 
1105 	spin_lock_irqsave(&chip->lock, flags);
1106 	outb(irq_bits << 3 | dma_bits, chip->wss_base);
1107 	spin_unlock_irqrestore(&chip->lock, flags);
1108 
1109 __skip_resources:
1110 	if (chip->hardware > OPTi9XX_HW_82C928) {
1111 		switch (chip->mpu_port) {
1112 		case 0:
1113 		case -1:
1114 			break;
1115 		case 0x300:
1116 			mpu_port_bits = 0x03;
1117 			break;
1118 		case 0x310:
1119 			mpu_port_bits = 0x02;
1120 			break;
1121 		case 0x320:
1122 			mpu_port_bits = 0x01;
1123 			break;
1124 		case 0x330:
1125 			mpu_port_bits = 0x00;
1126 			break;
1127 		default:
1128 			snd_printk(KERN_ERR "MPU-401 port 0x%lx not valid\n",
1129 				   chip->mpu_port);
1130 			goto __skip_mpu;
1131 		}
1132 
1133 		switch (chip->mpu_irq) {
1134 		case 5:
1135 			mpu_irq_bits = 0x02;
1136 			break;
1137 		case 7:
1138 			mpu_irq_bits = 0x03;
1139 			break;
1140 		case 9:
1141 			mpu_irq_bits = 0x00;
1142 			break;
1143 		case 10:
1144 			mpu_irq_bits = 0x01;
1145 			break;
1146 		default:
1147 			snd_printk(KERN_ERR "MPU-401 irq # %d not valid\n",
1148 				   chip->mpu_irq);
1149 			goto __skip_mpu;
1150 		}
1151 
1152 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(6),
1153 			(chip->mpu_port <= 0) ? 0x00 :
1154 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
1155 			0xf8);
1156 	}
1157 __skip_mpu:
1158 
1159 	return 0;
1160 }
1161 
1162 static int snd_miro_opti_check(struct snd_miro *chip)
1163 {
1164 	unsigned char value;
1165 
1166 	chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
1167 					   "OPTi9xx MC");
1168 	if (chip->res_mc_base == NULL)
1169 		return -ENOMEM;
1170 
1171 	value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
1172 	if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
1173 		if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
1174 			return 0;
1175 
1176 	release_and_free_resource(chip->res_mc_base);
1177 	chip->res_mc_base = NULL;
1178 
1179 	return -ENODEV;
1180 }
1181 
1182 static int snd_card_miro_detect(struct snd_card *card,
1183 				struct snd_miro *chip)
1184 {
1185 	int i, err;
1186 
1187 	for (i = OPTi9XX_HW_82C929; i <= OPTi9XX_HW_82C924; i++) {
1188 
1189 		err = snd_miro_init(chip, i);
1190 		if (err < 0)
1191 			return err;
1192 
1193 		err = snd_miro_opti_check(chip);
1194 		if (err == 0)
1195 			return 1;
1196 	}
1197 
1198 	return -ENODEV;
1199 }
1200 
1201 static int snd_card_miro_aci_detect(struct snd_card *card,
1202 				    struct snd_miro *miro)
1203 {
1204 	unsigned char regval;
1205 	int i;
1206 	struct snd_miro_aci *aci = &aci_device;
1207 
1208 	miro->aci = aci;
1209 
1210 	mutex_init(&aci->aci_mutex);
1211 
1212 	/* get ACI port from OPTi9xx MC 4 */
1213 
1214 	regval=inb(miro->mc_base + 4);
1215 	aci->aci_port = (regval & 0x10) ? 0x344 : 0x354;
1216 
1217 	miro->res_aci_port = request_region(aci->aci_port, 3, "miro aci");
1218 	if (miro->res_aci_port == NULL) {
1219 		snd_printk(KERN_ERR "aci i/o area 0x%lx-0x%lx already used.\n",
1220 			   aci->aci_port, aci->aci_port+2);
1221 		return -ENOMEM;
1222 	}
1223 
1224         /* force ACI into a known state */
1225 	for (i = 0; i < 3; i++)
1226 		if (snd_aci_cmd(aci, ACI_ERROR_OP, -1, -1) < 0) {
1227 			snd_printk(KERN_ERR "can't force aci into known state.\n");
1228 			return -ENXIO;
1229 		}
1230 
1231 	aci->aci_vendor = snd_aci_cmd(aci, ACI_READ_IDCODE, -1, -1);
1232 	aci->aci_product = snd_aci_cmd(aci, ACI_READ_IDCODE, -1, -1);
1233 	if (aci->aci_vendor < 0 || aci->aci_product < 0) {
1234 		snd_printk(KERN_ERR "can't read aci id on 0x%lx.\n",
1235 			   aci->aci_port);
1236 		return -ENXIO;
1237 	}
1238 
1239 	aci->aci_version = snd_aci_cmd(aci, ACI_READ_VERSION, -1, -1);
1240 	if (aci->aci_version < 0) {
1241 		snd_printk(KERN_ERR "can't read aci version on 0x%lx.\n",
1242 			   aci->aci_port);
1243 		return -ENXIO;
1244 	}
1245 
1246 	if (snd_aci_cmd(aci, ACI_INIT, -1, -1) < 0 ||
1247 	    snd_aci_cmd(aci, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0 ||
1248 	    snd_aci_cmd(aci, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0) {
1249 		snd_printk(KERN_ERR "can't initialize aci.\n");
1250 		return -ENXIO;
1251 	}
1252 
1253 	return 0;
1254 }
1255 
1256 static void snd_card_miro_free(struct snd_card *card)
1257 {
1258 	struct snd_miro *miro = card->private_data;
1259 
1260 	release_and_free_resource(miro->res_aci_port);
1261 	if (miro->aci)
1262 		miro->aci->aci_port = 0;
1263 	release_and_free_resource(miro->res_mc_base);
1264 }
1265 
1266 static int snd_miro_probe(struct snd_card *card)
1267 {
1268 	int error;
1269 	struct snd_miro *miro = card->private_data;
1270 	struct snd_wss *codec;
1271 	struct snd_rawmidi *rmidi;
1272 
1273 	if (!miro->res_mc_base) {
1274 		miro->res_mc_base = request_region(miro->mc_base,
1275 						miro->mc_base_size,
1276 						"miro (OPTi9xx MC)");
1277 		if (miro->res_mc_base == NULL) {
1278 			snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
1279 			return -ENOMEM;
1280 		}
1281 	}
1282 
1283 	error = snd_card_miro_aci_detect(card, miro);
1284 	if (error < 0) {
1285 		snd_printk(KERN_ERR "unable to detect aci chip\n");
1286 		return -ENODEV;
1287 	}
1288 
1289 	miro->wss_base = port;
1290 	miro->mpu_port = mpu_port;
1291 	miro->irq = irq;
1292 	miro->mpu_irq = mpu_irq;
1293 	miro->dma1 = dma1;
1294 	miro->dma2 = dma2;
1295 
1296 	/* init proc interface */
1297 	snd_miro_proc_init(card, miro);
1298 
1299 	error = snd_miro_configure(miro);
1300 	if (error)
1301 		return error;
1302 
1303 	error = snd_wss_create(card, miro->wss_base + 4, -1,
1304 			       miro->irq, miro->dma1, miro->dma2,
1305 			       WSS_HW_DETECT, 0, &codec);
1306 	if (error < 0)
1307 		return error;
1308 
1309 	error = snd_wss_pcm(codec, 0);
1310 	if (error < 0)
1311 		return error;
1312 
1313 	error = snd_wss_mixer(codec);
1314 	if (error < 0)
1315 		return error;
1316 
1317 	error = snd_wss_timer(codec, 0);
1318 	if (error < 0)
1319 		return error;
1320 
1321 	miro->pcm = codec->pcm;
1322 
1323 	error = snd_miro_mixer(card, miro);
1324 	if (error < 0)
1325 		return error;
1326 
1327 	if (miro->aci->aci_vendor == 'm') {
1328 		/* It looks like a miro sound card. */
1329 		switch (miro->aci->aci_product) {
1330 		case 'A':
1331 			sprintf(card->shortname,
1332 				"miroSOUND PCM1 pro / PCM12");
1333 			break;
1334 		case 'B':
1335 			sprintf(card->shortname,
1336 				"miroSOUND PCM12");
1337 			break;
1338 		case 'C':
1339 			sprintf(card->shortname,
1340 				"miroSOUND PCM20 radio");
1341 			break;
1342 		default:
1343 			sprintf(card->shortname,
1344 				"unknown miro");
1345 			snd_printk(KERN_INFO "unknown miro aci id\n");
1346 			break;
1347 		}
1348 	} else {
1349 		snd_printk(KERN_INFO "found unsupported aci card\n");
1350 		sprintf(card->shortname, "unknown Cardinal Technologies");
1351 	}
1352 
1353 	strcpy(card->driver, "miro");
1354 	snprintf(card->longname, sizeof(card->longname),
1355 		 "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
1356 		 card->shortname, miro->name, codec->pcm->name,
1357 		 miro->wss_base + 4, miro->irq, miro->dma1, miro->dma2);
1358 
1359 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
1360 		rmidi = NULL;
1361 	else {
1362 		error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1363 				mpu_port, 0, miro->mpu_irq, &rmidi);
1364 		if (error < 0)
1365 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n",
1366 				   mpu_port);
1367 	}
1368 
1369 	if (fm_port > 0 && fm_port != SNDRV_AUTO_PORT) {
1370 		struct snd_opl3 *opl3 = NULL;
1371 		struct snd_opl4 *opl4;
1372 
1373 		if (snd_opl4_create(card, fm_port, fm_port - 8,
1374 				    2, &opl3, &opl4) < 0)
1375 			snd_printk(KERN_WARNING "no OPL4 device at 0x%lx\n",
1376 				   fm_port);
1377 	}
1378 
1379 	error = snd_set_aci_init_values(miro);
1380 	if (error < 0)
1381                 return error;
1382 
1383 	return snd_card_register(card);
1384 }
1385 
1386 static int snd_miro_isa_match(struct device *devptr, unsigned int n)
1387 {
1388 #ifdef CONFIG_PNP
1389 	if (snd_miro_pnp_is_probed)
1390 		return 0;
1391 	if (isapnp)
1392 		return 0;
1393 #endif
1394 	return 1;
1395 }
1396 
1397 static int snd_miro_isa_probe(struct device *devptr, unsigned int n)
1398 {
1399 	static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1400 	static const long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
1401 	static const int possible_irqs[] = {11, 9, 10, 7, -1};
1402 	static const int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
1403 	static const int possible_dma1s[] = {3, 1, 0, -1};
1404 	static const int possible_dma2s[][2] = { {1, -1}, {0, -1}, {-1, -1},
1405 					   {0, -1} };
1406 
1407 	int error;
1408 	struct snd_miro *miro;
1409 	struct snd_card *card;
1410 
1411 	error = snd_card_new(devptr, index, id, THIS_MODULE,
1412 			     sizeof(struct snd_miro), &card);
1413 	if (error < 0)
1414 		return error;
1415 
1416 	card->private_free = snd_card_miro_free;
1417 	miro = card->private_data;
1418 
1419 	error = snd_card_miro_detect(card, miro);
1420 	if (error < 0) {
1421 		snd_card_free(card);
1422 		snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
1423 		return -ENODEV;
1424 	}
1425 
1426 	if (port == SNDRV_AUTO_PORT) {
1427 		port = snd_legacy_find_free_ioport(possible_ports, 4);
1428 		if (port < 0) {
1429 			snd_card_free(card);
1430 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
1431 			return -EBUSY;
1432 		}
1433 	}
1434 
1435 	if (mpu_port == SNDRV_AUTO_PORT) {
1436 		mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2);
1437 		if (mpu_port < 0) {
1438 			snd_card_free(card);
1439 			snd_printk(KERN_ERR
1440 				   "unable to find a free MPU401 port\n");
1441 			return -EBUSY;
1442 		}
1443 	}
1444 
1445 	if (irq == SNDRV_AUTO_IRQ) {
1446 		irq = snd_legacy_find_free_irq(possible_irqs);
1447 		if (irq < 0) {
1448 			snd_card_free(card);
1449 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
1450 			return -EBUSY;
1451 		}
1452 	}
1453 	if (mpu_irq == SNDRV_AUTO_IRQ) {
1454 		mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs);
1455 		if (mpu_irq < 0) {
1456 			snd_card_free(card);
1457 			snd_printk(KERN_ERR
1458 				   "unable to find a free MPU401 IRQ\n");
1459 			return -EBUSY;
1460 		}
1461 	}
1462 	if (dma1 == SNDRV_AUTO_DMA) {
1463 		dma1 = snd_legacy_find_free_dma(possible_dma1s);
1464 		if (dma1 < 0) {
1465 			snd_card_free(card);
1466 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1467 			return -EBUSY;
1468 		}
1469 	}
1470 	if (dma2 == SNDRV_AUTO_DMA) {
1471 		dma2 = snd_legacy_find_free_dma(possible_dma2s[dma1 % 4]);
1472 		if (dma2 < 0) {
1473 			snd_card_free(card);
1474 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1475 			return -EBUSY;
1476 		}
1477 	}
1478 
1479 	error = snd_miro_probe(card);
1480 	if (error < 0) {
1481 		snd_card_free(card);
1482 		return error;
1483 	}
1484 
1485 	dev_set_drvdata(devptr, card);
1486 	return 0;
1487 }
1488 
1489 static void snd_miro_isa_remove(struct device *devptr,
1490 			       unsigned int dev)
1491 {
1492 	snd_card_free(dev_get_drvdata(devptr));
1493 }
1494 
1495 #define DEV_NAME "miro"
1496 
1497 static struct isa_driver snd_miro_driver = {
1498 	.match		= snd_miro_isa_match,
1499 	.probe		= snd_miro_isa_probe,
1500 	.remove		= snd_miro_isa_remove,
1501 	/* FIXME: suspend/resume */
1502 	.driver		= {
1503 		.name	= DEV_NAME
1504 	},
1505 };
1506 
1507 #ifdef CONFIG_PNP
1508 
1509 static int snd_card_miro_pnp(struct snd_miro *chip,
1510 			     struct pnp_card_link *card,
1511 			     const struct pnp_card_device_id *pid)
1512 {
1513 	struct pnp_dev *pdev;
1514 	int err;
1515 	struct pnp_dev *devmpu;
1516 	struct pnp_dev *devmc;
1517 
1518 	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
1519 	if (pdev == NULL)
1520 		return -EBUSY;
1521 
1522 	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
1523 	if (devmpu == NULL)
1524 		return -EBUSY;
1525 
1526 	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
1527 	if (devmc == NULL)
1528 		return -EBUSY;
1529 
1530 	err = pnp_activate_dev(pdev);
1531 	if (err < 0) {
1532 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
1533 		return err;
1534 	}
1535 
1536 	err = pnp_activate_dev(devmc);
1537 	if (err < 0) {
1538 		snd_printk(KERN_ERR "MC pnp configure failure: %d\n",
1539 				    err);
1540 		return err;
1541 	}
1542 
1543 	port = pnp_port_start(pdev, 1);
1544 	fm_port = pnp_port_start(pdev, 2) + 8;
1545 
1546 	/*
1547 	 * The MC(0) is never accessed and the miroSOUND PCM20 card does not
1548 	 * include it in the PnP resource range. OPTI93x include it.
1549 	 */
1550 	chip->mc_base = pnp_port_start(devmc, 0) - 1;
1551 	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
1552 
1553 	irq = pnp_irq(pdev, 0);
1554 	dma1 = pnp_dma(pdev, 0);
1555 	dma2 = pnp_dma(pdev, 1);
1556 
1557 	if (mpu_port > 0) {
1558 		err = pnp_activate_dev(devmpu);
1559 		if (err < 0) {
1560 			snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
1561 			mpu_port = -1;
1562 			return err;
1563 		}
1564 		mpu_port = pnp_port_start(devmpu, 0);
1565 		mpu_irq = pnp_irq(devmpu, 0);
1566 	}
1567 	return 0;
1568 }
1569 
1570 static int snd_miro_pnp_probe(struct pnp_card_link *pcard,
1571 			      const struct pnp_card_device_id *pid)
1572 {
1573 	struct snd_card *card;
1574 	int err;
1575 	struct snd_miro *miro;
1576 
1577 	if (snd_miro_pnp_is_probed)
1578 		return -EBUSY;
1579 	if (!isapnp)
1580 		return -ENODEV;
1581 	err = snd_card_new(&pcard->card->dev, index, id, THIS_MODULE,
1582 			   sizeof(struct snd_miro), &card);
1583 	if (err < 0)
1584 		return err;
1585 
1586 	card->private_free = snd_card_miro_free;
1587 	miro = card->private_data;
1588 
1589 	err = snd_card_miro_pnp(miro, pcard, pid);
1590 	if (err) {
1591 		snd_card_free(card);
1592 		return err;
1593 	}
1594 
1595 	/* only miroSOUND PCM20 and PCM12 == OPTi924 */
1596 	err = snd_miro_init(miro, OPTi9XX_HW_82C924);
1597 	if (err) {
1598 		snd_card_free(card);
1599 		return err;
1600 	}
1601 
1602 	err = snd_miro_opti_check(miro);
1603 	if (err) {
1604 		snd_printk(KERN_ERR "OPTI chip not found\n");
1605 		snd_card_free(card);
1606 		return err;
1607 	}
1608 
1609 	err = snd_miro_probe(card);
1610 	if (err < 0) {
1611 		snd_card_free(card);
1612 		return err;
1613 	}
1614 	pnp_set_card_drvdata(pcard, card);
1615 	snd_miro_pnp_is_probed = 1;
1616 	return 0;
1617 }
1618 
1619 static void snd_miro_pnp_remove(struct pnp_card_link *pcard)
1620 {
1621 	snd_card_free(pnp_get_card_drvdata(pcard));
1622 	pnp_set_card_drvdata(pcard, NULL);
1623 	snd_miro_pnp_is_probed = 0;
1624 }
1625 
1626 static struct pnp_card_driver miro_pnpc_driver = {
1627 	.flags		= PNP_DRIVER_RES_DISABLE,
1628 	.name		= "miro",
1629 	.id_table	= snd_miro_pnpids,
1630 	.probe		= snd_miro_pnp_probe,
1631 	.remove		= snd_miro_pnp_remove,
1632 };
1633 #endif
1634 
1635 static int __init alsa_card_miro_init(void)
1636 {
1637 #ifdef CONFIG_PNP
1638 	pnp_register_card_driver(&miro_pnpc_driver);
1639 	if (snd_miro_pnp_is_probed)
1640 		return 0;
1641 	pnp_unregister_card_driver(&miro_pnpc_driver);
1642 #endif
1643 	return isa_register_driver(&snd_miro_driver, 1);
1644 }
1645 
1646 static void __exit alsa_card_miro_exit(void)
1647 {
1648 	if (!snd_miro_pnp_is_probed) {
1649 		isa_unregister_driver(&snd_miro_driver);
1650 		return;
1651 	}
1652 #ifdef CONFIG_PNP
1653 	pnp_unregister_card_driver(&miro_pnpc_driver);
1654 #endif
1655 }
1656 
1657 module_init(alsa_card_miro_init)
1658 module_exit(alsa_card_miro_exit)
1659