xref: /openbmc/linux/sound/isa/opti9xx/miro.c (revision f42b3800)
1 /*
2  *   ALSA soundcard driver for Miro miroSOUND PCM1 pro
3  *                                  miroSOUND PCM12
4  *                                  miroSOUND PCM20 Radio
5  *
6  *   Copyright (C) 2004-2005 Martin Langer <martin-langer@gmx.de>
7  *
8  *   Based on OSS ACI and ALSA OPTi9xx drivers
9  *
10  *   This program is free software; you can redistribute it and/or modify
11  *   it under the terms of the GNU General Public License as published by
12  *   the Free Software Foundation; either version 2 of the License, or
13  *   (at your option) any later version.
14  *
15  *   This program is distributed in the hope that it will be useful,
16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  *   GNU General Public License for more details.
19  *
20  *   You should have received a copy of the GNU General Public License
21  *   along with this program; if not, write to the Free Software
22  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23  */
24 
25 #include <linux/init.h>
26 #include <linux/err.h>
27 #include <linux/isa.h>
28 #include <linux/delay.h>
29 #include <linux/slab.h>
30 #include <linux/ioport.h>
31 #include <linux/moduleparam.h>
32 #include <asm/io.h>
33 #include <asm/dma.h>
34 #include <sound/core.h>
35 #include <sound/cs4231.h>
36 #include <sound/mpu401.h>
37 #include <sound/opl4.h>
38 #include <sound/control.h>
39 #include <sound/info.h>
40 #define SNDRV_LEGACY_FIND_FREE_IRQ
41 #define SNDRV_LEGACY_FIND_FREE_DMA
42 #include <sound/initval.h>
43 #include "miro.h"
44 
45 MODULE_AUTHOR("Martin Langer <martin-langer@gmx.de>");
46 MODULE_LICENSE("GPL");
47 MODULE_DESCRIPTION("Miro miroSOUND PCM1 pro, PCM12, PCM20 Radio");
48 MODULE_SUPPORTED_DEVICE("{{Miro,miroSOUND PCM1 pro}, "
49 			"{Miro,miroSOUND PCM12}, "
50 			"{Miro,miroSOUND PCM20 Radio}}");
51 
52 static int index = SNDRV_DEFAULT_IDX1;		/* Index 0-MAX */
53 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
54 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
55 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
56 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
57 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
58 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
59 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
60 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
61 static int wss;
62 static int ide;
63 
64 module_param(index, int, 0444);
65 MODULE_PARM_DESC(index, "Index value for miro soundcard.");
66 module_param(id, charp, 0444);
67 MODULE_PARM_DESC(id, "ID string for miro soundcard.");
68 module_param(port, long, 0444);
69 MODULE_PARM_DESC(port, "WSS port # for miro driver.");
70 module_param(mpu_port, long, 0444);
71 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for miro driver.");
72 module_param(fm_port, long, 0444);
73 MODULE_PARM_DESC(fm_port, "FM Port # for miro driver.");
74 module_param(irq, int, 0444);
75 MODULE_PARM_DESC(irq, "WSS irq # for miro driver.");
76 module_param(mpu_irq, int, 0444);
77 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for miro driver.");
78 module_param(dma1, int, 0444);
79 MODULE_PARM_DESC(dma1, "1st dma # for miro driver.");
80 module_param(dma2, int, 0444);
81 MODULE_PARM_DESC(dma2, "2nd dma # for miro driver.");
82 module_param(wss, int, 0444);
83 MODULE_PARM_DESC(wss, "wss mode");
84 module_param(ide, int, 0444);
85 MODULE_PARM_DESC(ide, "enable ide port");
86 
87 #define OPTi9XX_HW_DETECT	0
88 #define OPTi9XX_HW_82C928	1
89 #define OPTi9XX_HW_82C929	2
90 #define OPTi9XX_HW_82C924	3
91 #define OPTi9XX_HW_82C925	4
92 #define OPTi9XX_HW_82C930	5
93 #define OPTi9XX_HW_82C931	6
94 #define OPTi9XX_HW_82C933	7
95 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
96 
97 #define OPTi9XX_MC_REG(n)	n
98 
99 
100 struct snd_miro {
101 	unsigned short hardware;
102 	unsigned char password;
103 	char name[7];
104 
105 	struct resource *res_mc_base;
106 	struct resource *res_aci_port;
107 
108 	unsigned long mc_base;
109 	unsigned long mc_base_size;
110 	unsigned long pwd_reg;
111 
112 	spinlock_t lock;
113 	struct snd_card *card;
114 	struct snd_pcm *pcm;
115 
116 	long wss_base;
117 	int irq;
118 	int dma1;
119 	int dma2;
120 
121 	long fm_port;
122 
123 	long mpu_port;
124 	int mpu_irq;
125 
126 	unsigned long aci_port;
127 	int aci_vendor;
128 	int aci_product;
129 	int aci_version;
130 	int aci_amp;
131 	int aci_preamp;
132 	int aci_solomode;
133 
134 	struct mutex aci_mutex;
135 };
136 
137 static void snd_miro_proc_init(struct snd_miro * miro);
138 
139 static char * snd_opti9xx_names[] = {
140 	"unkown",
141 	"82C928", "82C929",
142 	"82C924", "82C925",
143 	"82C930", "82C931", "82C933"
144 };
145 
146 /*
147  *  ACI control
148  */
149 
150 static int aci_busy_wait(struct snd_miro * miro)
151 {
152 	long timeout;
153 	unsigned char byte;
154 
155 	for (timeout = 1; timeout <= ACI_MINTIME+30; timeout++) {
156 		if (((byte=inb(miro->aci_port + ACI_REG_BUSY)) & 1) == 0) {
157 			if (timeout >= ACI_MINTIME)
158 				snd_printd("aci ready in round %ld.\n",
159 					   timeout-ACI_MINTIME);
160 			return byte;
161 		}
162 		if (timeout >= ACI_MINTIME) {
163 			long out=10*HZ;
164 			switch (timeout-ACI_MINTIME) {
165 			case 0 ... 9:
166 				out /= 10;
167 			case 10 ... 19:
168 				out /= 10;
169 			case 20 ... 30:
170 				out /= 10;
171 			default:
172 				set_current_state(TASK_UNINTERRUPTIBLE);
173 				schedule_timeout(out);
174 				break;
175 			}
176 		}
177 	}
178 	snd_printk(KERN_ERR "aci_busy_wait() time out\n");
179 	return -EBUSY;
180 }
181 
182 static inline int aci_write(struct snd_miro * miro, unsigned char byte)
183 {
184 	if (aci_busy_wait(miro) >= 0) {
185 		outb(byte, miro->aci_port + ACI_REG_COMMAND);
186 		return 0;
187 	} else {
188 		snd_printk(KERN_ERR "aci busy, aci_write(0x%x) stopped.\n", byte);
189 		return -EBUSY;
190 	}
191 }
192 
193 static inline int aci_read(struct snd_miro * miro)
194 {
195 	unsigned char byte;
196 
197 	if (aci_busy_wait(miro) >= 0) {
198 		byte=inb(miro->aci_port + ACI_REG_STATUS);
199 		return byte;
200 	} else {
201 		snd_printk(KERN_ERR "aci busy, aci_read() stopped.\n");
202 		return -EBUSY;
203 	}
204 }
205 
206 static int aci_cmd(struct snd_miro * miro, int write1, int write2, int write3)
207 {
208 	int write[] = {write1, write2, write3};
209 	int value, i;
210 
211 	if (mutex_lock_interruptible(&miro->aci_mutex))
212 		return -EINTR;
213 
214 	for (i=0; i<3; i++) {
215 		if (write[i]< 0 || write[i] > 255)
216 			break;
217 		else {
218 			value = aci_write(miro, write[i]);
219 			if (value < 0)
220 				goto out;
221 		}
222 	}
223 
224 	value = aci_read(miro);
225 
226 out:	mutex_unlock(&miro->aci_mutex);
227 	return value;
228 }
229 
230 static int aci_getvalue(struct snd_miro * miro, unsigned char index)
231 {
232 	return aci_cmd(miro, ACI_STATUS, index, -1);
233 }
234 
235 static int aci_setvalue(struct snd_miro * miro, unsigned char index, int value)
236 {
237 	return aci_cmd(miro, index, value, -1);
238 }
239 
240 /*
241  *  MIXER part
242  */
243 
244 #define snd_miro_info_capture	snd_ctl_boolean_mono_info
245 
246 static int snd_miro_get_capture(struct snd_kcontrol *kcontrol,
247 				struct snd_ctl_elem_value *ucontrol)
248 {
249 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
250 	int value;
251 
252 	if ((value = aci_getvalue(miro, ACI_S_GENERAL)) < 0) {
253 		snd_printk(KERN_ERR "snd_miro_get_capture() failed: %d\n", value);
254 		return value;
255 	}
256 
257 	ucontrol->value.integer.value[0] = value & 0x20;
258 
259 	return 0;
260 }
261 
262 static int snd_miro_put_capture(struct snd_kcontrol *kcontrol,
263 				struct snd_ctl_elem_value *ucontrol)
264 {
265 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
266 	int change, value, error;
267 
268 	value = !(ucontrol->value.integer.value[0]);
269 
270 	if ((error = aci_setvalue(miro, ACI_SET_SOLOMODE, value)) < 0) {
271 		snd_printk(KERN_ERR "snd_miro_put_capture() failed: %d\n", error);
272 		return error;
273 	}
274 
275 	change = (value != miro->aci_solomode);
276 	miro->aci_solomode = value;
277 
278 	return change;
279 }
280 
281 static int snd_miro_info_preamp(struct snd_kcontrol *kcontrol,
282 				struct snd_ctl_elem_info *uinfo)
283 {
284 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
285 	uinfo->count = 1;
286 	uinfo->value.integer.min = 0;
287 	uinfo->value.integer.max = 3;
288 
289 	return 0;
290 }
291 
292 static int snd_miro_get_preamp(struct snd_kcontrol *kcontrol,
293 			       struct snd_ctl_elem_value *ucontrol)
294 {
295 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
296 	int value;
297 
298 	if (miro->aci_version <= 176) {
299 
300 		/*
301 		   OSS says it's not readable with versions < 176.
302 		   But it doesn't work on my card,
303 		   which is a PCM12 with aci_version = 176.
304 		*/
305 
306 		ucontrol->value.integer.value[0] = miro->aci_preamp;
307 		return 0;
308 	}
309 
310 	if ((value = aci_getvalue(miro, ACI_GET_PREAMP)) < 0) {
311 		snd_printk(KERN_ERR "snd_miro_get_preamp() failed: %d\n", value);
312 		return value;
313 	}
314 
315 	ucontrol->value.integer.value[0] = value;
316 
317 	return 0;
318 }
319 
320 static int snd_miro_put_preamp(struct snd_kcontrol *kcontrol,
321 			       struct snd_ctl_elem_value *ucontrol)
322 {
323 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
324 	int error, value, change;
325 
326 	value = ucontrol->value.integer.value[0];
327 
328 	if ((error = aci_setvalue(miro, ACI_SET_PREAMP, value)) < 0) {
329 		snd_printk(KERN_ERR "snd_miro_put_preamp() failed: %d\n", error);
330 		return error;
331 	}
332 
333 	change = (value != miro->aci_preamp);
334 	miro->aci_preamp = value;
335 
336 	return change;
337 }
338 
339 #define snd_miro_info_amp	snd_ctl_boolean_mono_info
340 
341 static int snd_miro_get_amp(struct snd_kcontrol *kcontrol,
342 			    struct snd_ctl_elem_value *ucontrol)
343 {
344 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
345 	ucontrol->value.integer.value[0] = miro->aci_amp;
346 
347 	return 0;
348 }
349 
350 static int snd_miro_put_amp(struct snd_kcontrol *kcontrol,
351 			    struct snd_ctl_elem_value *ucontrol)
352 {
353 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
354 	int error, value, change;
355 
356 	value = ucontrol->value.integer.value[0];
357 
358 	if ((error = aci_setvalue(miro, ACI_SET_POWERAMP, value)) < 0) {
359 		snd_printk(KERN_ERR "snd_miro_put_amp() to %d failed: %d\n", value, error);
360 		return error;
361 	}
362 
363 	change = (value != miro->aci_amp);
364 	miro->aci_amp = value;
365 
366 	return change;
367 }
368 
369 #define MIRO_DOUBLE(ctl_name, ctl_index, get_right_reg, set_right_reg) \
370 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
371   .name = ctl_name, \
372   .index = ctl_index, \
373   .info = snd_miro_info_double, \
374   .get = snd_miro_get_double, \
375   .put = snd_miro_put_double, \
376   .private_value = get_right_reg | (set_right_reg << 8) \
377 }
378 
379 static int snd_miro_info_double(struct snd_kcontrol *kcontrol,
380 				struct snd_ctl_elem_info *uinfo)
381 {
382 	int reg = kcontrol->private_value & 0xff;
383 
384 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
385 	uinfo->count = 2;
386 
387 	if ((reg >= ACI_GET_EQ1) && (reg <= ACI_GET_EQ7)) {
388 
389 		/* equalizer elements */
390 
391 		uinfo->value.integer.min = - 0x7f;
392 		uinfo->value.integer.max = 0x7f;
393 	} else {
394 
395 		/* non-equalizer elements */
396 
397 		uinfo->value.integer.min = 0;
398 		uinfo->value.integer.max = 0x20;
399 	}
400 
401 	return 0;
402 }
403 
404 static int snd_miro_get_double(struct snd_kcontrol *kcontrol,
405 			       struct snd_ctl_elem_value *uinfo)
406 {
407 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
408 	int left_val, right_val;
409 
410 	int right_reg = kcontrol->private_value & 0xff;
411 	int left_reg = right_reg + 1;
412 
413 	if ((right_val = aci_getvalue(miro, right_reg)) < 0) {
414 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", right_reg, right_val);
415 		return right_val;
416 	}
417 
418 	if ((left_val = aci_getvalue(miro, left_reg)) < 0) {
419 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", left_reg, left_val);
420 		return left_val;
421 	}
422 
423 	if ((right_reg >= ACI_GET_EQ1) && (right_reg <= ACI_GET_EQ7)) {
424 
425 		/* equalizer elements */
426 
427 		if (left_val < 0x80) {
428 			uinfo->value.integer.value[0] = left_val;
429 		} else {
430 			uinfo->value.integer.value[0] = 0x80 - left_val;
431 		}
432 
433 		if (right_val < 0x80) {
434 			uinfo->value.integer.value[1] = right_val;
435 		} else {
436 			uinfo->value.integer.value[1] = 0x80 - right_val;
437 		}
438 
439 	} else {
440 
441 		/* non-equalizer elements */
442 
443 		uinfo->value.integer.value[0] = 0x20 - left_val;
444 		uinfo->value.integer.value[1] = 0x20 - right_val;
445 	}
446 
447 	return 0;
448 }
449 
450 static int snd_miro_put_double(struct snd_kcontrol *kcontrol,
451 			       struct snd_ctl_elem_value *ucontrol)
452 {
453 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
454 	int left, right, left_old, right_old;
455 	int setreg_left, setreg_right, getreg_left, getreg_right;
456 	int change, error;
457 
458 	left = ucontrol->value.integer.value[0];
459 	right = ucontrol->value.integer.value[1];
460 
461 	setreg_right = (kcontrol->private_value >> 8) & 0xff;
462 	if (setreg_right == ACI_SET_MASTER) {
463 		setreg_left = setreg_right + 1;
464 	} else {
465 		setreg_left = setreg_right + 8;
466 	}
467 
468 	getreg_right = kcontrol->private_value & 0xff;
469 	getreg_left = getreg_right + 1;
470 
471 	if ((left_old = aci_getvalue(miro, getreg_left)) < 0) {
472 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_left, left_old);
473 		return left_old;
474 	}
475 
476 	if ((right_old = aci_getvalue(miro, getreg_right)) < 0) {
477 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_right, right_old);
478 		return right_old;
479 	}
480 
481 	if ((getreg_right >= ACI_GET_EQ1) && (getreg_right <= ACI_GET_EQ7)) {
482 
483 		/* equalizer elements */
484 
485 		if (left < -0x7f || left > 0x7f ||
486 		    right < -0x7f || right > 0x7f)
487 			return -EINVAL;
488 
489 		if (left_old > 0x80)
490 			left_old = 0x80 - left_old;
491 		if (right_old > 0x80)
492 			right_old = 0x80 - right_old;
493 
494 		if (left >= 0) {
495 			if ((error = aci_setvalue(miro, setreg_left, left)) < 0) {
496 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
497 					   left, error);
498 				return error;
499 			}
500 		} else {
501 			if ((error = aci_setvalue(miro, setreg_left, 0x80 - left)) < 0) {
502 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
503 					   0x80 - left, error);
504 				return error;
505 			}
506 		}
507 
508 		if (right >= 0) {
509 			if ((error = aci_setvalue(miro, setreg_right, right)) < 0) {
510 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
511 					   right, error);
512 				return error;
513 			}
514 		} else {
515 			if ((error = aci_setvalue(miro, setreg_right, 0x80 - right)) < 0) {
516 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
517 					   0x80 - right, error);
518 				return error;
519 			}
520 		}
521 
522 	} else {
523 
524 		/* non-equalizer elements */
525 
526 		if (left < 0 || left > 0x20 ||
527 		    right < 0 || right > 0x20)
528 			return -EINVAL;
529 
530 		left_old = 0x20 - left_old;
531 		right_old = 0x20 - right_old;
532 
533 		if ((error = aci_setvalue(miro, setreg_left, 0x20 - left)) < 0) {
534 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
535 				   0x20 - left, error);
536 			return error;
537 		}
538 		if ((error = aci_setvalue(miro, setreg_right, 0x20 - right)) < 0) {
539 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
540 				   0x20 - right, error);
541 			return error;
542 		}
543 	}
544 
545 	change = (left != left_old) || (right != right_old);
546 
547 	return change;
548 }
549 
550 static struct snd_kcontrol_new snd_miro_controls[] __devinitdata = {
551 MIRO_DOUBLE("Master Playback Volume", 0, ACI_GET_MASTER, ACI_SET_MASTER),
552 MIRO_DOUBLE("Mic Playback Volume", 1, ACI_GET_MIC, ACI_SET_MIC),
553 MIRO_DOUBLE("Line Playback Volume", 1, ACI_GET_LINE, ACI_SET_LINE),
554 MIRO_DOUBLE("CD Playback Volume", 0, ACI_GET_CD, ACI_SET_CD),
555 MIRO_DOUBLE("Synth Playback Volume", 0, ACI_GET_SYNTH, ACI_SET_SYNTH),
556 MIRO_DOUBLE("PCM Playback Volume", 1, ACI_GET_PCM, ACI_SET_PCM),
557 MIRO_DOUBLE("Aux Playback Volume", 2, ACI_GET_LINE2, ACI_SET_LINE2),
558 };
559 
560 /* Equalizer with seven bands (only PCM20)
561    from -12dB up to +12dB on each band */
562 static struct snd_kcontrol_new snd_miro_eq_controls[] __devinitdata = {
563 MIRO_DOUBLE("Tone Control - 28 Hz", 0, ACI_GET_EQ1, ACI_SET_EQ1),
564 MIRO_DOUBLE("Tone Control - 160 Hz", 0, ACI_GET_EQ2, ACI_SET_EQ2),
565 MIRO_DOUBLE("Tone Control - 400 Hz", 0, ACI_GET_EQ3, ACI_SET_EQ3),
566 MIRO_DOUBLE("Tone Control - 1 kHz", 0, ACI_GET_EQ4, ACI_SET_EQ4),
567 MIRO_DOUBLE("Tone Control - 2.5 kHz", 0, ACI_GET_EQ5, ACI_SET_EQ5),
568 MIRO_DOUBLE("Tone Control - 6.3 kHz", 0, ACI_GET_EQ6, ACI_SET_EQ6),
569 MIRO_DOUBLE("Tone Control - 16 kHz", 0, ACI_GET_EQ7, ACI_SET_EQ7),
570 };
571 
572 static struct snd_kcontrol_new snd_miro_radio_control[] __devinitdata = {
573 MIRO_DOUBLE("Radio Playback Volume", 0, ACI_GET_LINE1, ACI_SET_LINE1),
574 };
575 
576 static struct snd_kcontrol_new snd_miro_line_control[] __devinitdata = {
577 MIRO_DOUBLE("Line Playback Volume", 2, ACI_GET_LINE1, ACI_SET_LINE1),
578 };
579 
580 static struct snd_kcontrol_new snd_miro_preamp_control[] __devinitdata = {
581 {
582 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
583 	.name = "Mic Boost",
584 	.index = 1,
585 	.info = snd_miro_info_preamp,
586 	.get = snd_miro_get_preamp,
587 	.put = snd_miro_put_preamp,
588 }};
589 
590 static struct snd_kcontrol_new snd_miro_amp_control[] __devinitdata = {
591 {
592 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
593 	.name = "Line Boost",
594 	.index = 0,
595 	.info = snd_miro_info_amp,
596 	.get = snd_miro_get_amp,
597 	.put = snd_miro_put_amp,
598 }};
599 
600 static struct snd_kcontrol_new snd_miro_capture_control[] __devinitdata = {
601 {
602 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
603 	.name = "PCM Capture Switch",
604 	.index = 0,
605 	.info = snd_miro_info_capture,
606 	.get = snd_miro_get_capture,
607 	.put = snd_miro_put_capture,
608 }};
609 
610 static unsigned char aci_init_values[][2] __devinitdata = {
611 	{ ACI_SET_MUTE, 0x00 },
612 	{ ACI_SET_POWERAMP, 0x00 },
613 	{ ACI_SET_PREAMP, 0x00 },
614 	{ ACI_SET_SOLOMODE, 0x00 },
615 	{ ACI_SET_MIC + 0, 0x20 },
616 	{ ACI_SET_MIC + 8, 0x20 },
617 	{ ACI_SET_LINE + 0, 0x20 },
618 	{ ACI_SET_LINE + 8, 0x20 },
619 	{ ACI_SET_CD + 0, 0x20 },
620 	{ ACI_SET_CD + 8, 0x20 },
621 	{ ACI_SET_PCM + 0, 0x20 },
622 	{ ACI_SET_PCM + 8, 0x20 },
623 	{ ACI_SET_LINE1 + 0, 0x20 },
624 	{ ACI_SET_LINE1 + 8, 0x20 },
625 	{ ACI_SET_LINE2 + 0, 0x20 },
626 	{ ACI_SET_LINE2 + 8, 0x20 },
627 	{ ACI_SET_SYNTH + 0, 0x20 },
628 	{ ACI_SET_SYNTH + 8, 0x20 },
629 	{ ACI_SET_MASTER + 0, 0x20 },
630 	{ ACI_SET_MASTER + 1, 0x20 },
631 };
632 
633 static int __devinit snd_set_aci_init_values(struct snd_miro *miro)
634 {
635 	int idx, error;
636 
637 	/* enable WSS on PCM1 */
638 
639 	if ((miro->aci_product == 'A') && wss) {
640 		if ((error = aci_setvalue(miro, ACI_SET_WSS, wss)) < 0) {
641 			snd_printk(KERN_ERR "enabling WSS mode failed\n");
642 			return error;
643 		}
644 	}
645 
646 	/* enable IDE port */
647 
648 	if (ide) {
649 		if ((error = aci_setvalue(miro, ACI_SET_IDE, ide)) < 0) {
650 			snd_printk(KERN_ERR "enabling IDE port failed\n");
651 			return error;
652 		}
653 	}
654 
655 	/* set common aci values */
656 
657 	for (idx = 0; idx < ARRAY_SIZE(aci_init_values); idx++)
658                 if ((error = aci_setvalue(miro, aci_init_values[idx][0],
659 					  aci_init_values[idx][1])) < 0) {
660 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
661 				   aci_init_values[idx][0], error);
662                         return error;
663                 }
664 
665 	miro->aci_amp = 0;
666 	miro->aci_preamp = 0;
667 	miro->aci_solomode = 1;
668 
669 	return 0;
670 }
671 
672 static int __devinit snd_miro_mixer(struct snd_miro *miro)
673 {
674 	struct snd_card *card;
675 	unsigned int idx;
676 	int err;
677 
678 	snd_assert(miro != NULL && miro->card != NULL, return -EINVAL);
679 
680 	card = miro->card;
681 
682 	switch (miro->hardware) {
683 	case OPTi9XX_HW_82C924:
684 		strcpy(card->mixername, "ACI & OPTi924");
685 		break;
686 	case OPTi9XX_HW_82C929:
687 		strcpy(card->mixername, "ACI & OPTi929");
688 		break;
689 	default:
690 		snd_BUG();
691 		break;
692 	}
693 
694 	for (idx = 0; idx < ARRAY_SIZE(snd_miro_controls); idx++) {
695 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_controls[idx], miro))) < 0)
696 			return err;
697 	}
698 
699 	if ((miro->aci_product == 'A') || (miro->aci_product == 'B')) {
700 		/* PCM1/PCM12 with power-amp and Line 2 */
701 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_line_control[0], miro))) < 0)
702 			return err;
703 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_amp_control[0], miro))) < 0)
704 			return err;
705 	}
706 
707 	if ((miro->aci_product == 'B') || (miro->aci_product == 'C')) {
708 		/* PCM12/PCM20 with mic-preamp */
709 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_preamp_control[0], miro))) < 0)
710 			return err;
711 		if (miro->aci_version >= 176)
712 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_capture_control[0], miro))) < 0)
713 				return err;
714 	}
715 
716 	if (miro->aci_product == 'C') {
717 		/* PCM20 with radio and 7 band equalizer */
718 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_radio_control[0], miro))) < 0)
719 			return err;
720 		for (idx = 0; idx < ARRAY_SIZE(snd_miro_eq_controls); idx++) {
721 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_eq_controls[idx], miro))) < 0)
722 				return err;
723 		}
724 	}
725 
726 	return 0;
727 }
728 
729 static long snd_legacy_find_free_ioport(long *port_table, long size)
730 {
731 	while (*port_table != -1) {
732 		struct resource *res;
733 		if ((res = request_region(*port_table, size,
734 					  "ALSA test")) != NULL) {
735 			release_and_free_resource(res);
736 			return *port_table;
737 		}
738 		port_table++;
739 	}
740 	return -1;
741 }
742 
743 static int __devinit snd_miro_init(struct snd_miro *chip,
744 				   unsigned short hardware)
745 {
746 	static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
747 
748 	chip->hardware = hardware;
749 	strcpy(chip->name, snd_opti9xx_names[hardware]);
750 
751 	chip->mc_base_size = opti9xx_mc_size[hardware];
752 
753 	spin_lock_init(&chip->lock);
754 
755 	chip->wss_base = -1;
756 	chip->irq = -1;
757 	chip->dma1 = -1;
758 	chip->dma2 = -1;
759 	chip->fm_port = -1;
760 	chip->mpu_port = -1;
761 	chip->mpu_irq = -1;
762 
763 	switch (hardware) {
764 	case OPTi9XX_HW_82C929:
765 		chip->mc_base = 0xf8c;
766 		chip->password = 0xe3;
767 		chip->pwd_reg = 3;
768 		break;
769 
770 	case OPTi9XX_HW_82C924:
771 		chip->mc_base = 0xf8c;
772 		chip->password = 0xe5;
773 		chip->pwd_reg = 3;
774 		break;
775 
776 	default:
777 		snd_printk(KERN_ERR "sorry, no support for %d\n", hardware);
778 		return -ENODEV;
779 	}
780 
781 	return 0;
782 }
783 
784 static unsigned char snd_miro_read(struct snd_miro *chip,
785 				   unsigned char reg)
786 {
787 	unsigned long flags;
788 	unsigned char retval = 0xff;
789 
790 	spin_lock_irqsave(&chip->lock, flags);
791 	outb(chip->password, chip->mc_base + chip->pwd_reg);
792 
793 	switch (chip->hardware) {
794 	case OPTi9XX_HW_82C924:
795 		if (reg > 7) {
796 			outb(reg, chip->mc_base + 8);
797 			outb(chip->password, chip->mc_base + chip->pwd_reg);
798 			retval = inb(chip->mc_base + 9);
799 			break;
800 		}
801 
802 	case OPTi9XX_HW_82C929:
803 		retval = inb(chip->mc_base + reg);
804 		break;
805 
806 	default:
807 		snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
808 	}
809 
810 	spin_unlock_irqrestore(&chip->lock, flags);
811 	return retval;
812 }
813 
814 static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
815 			   unsigned char value)
816 {
817 	unsigned long flags;
818 
819 	spin_lock_irqsave(&chip->lock, flags);
820 	outb(chip->password, chip->mc_base + chip->pwd_reg);
821 
822 	switch (chip->hardware) {
823 	case OPTi9XX_HW_82C924:
824 		if (reg > 7) {
825 			outb(reg, chip->mc_base + 8);
826 			outb(chip->password, chip->mc_base + chip->pwd_reg);
827 			outb(value, chip->mc_base + 9);
828 			break;
829 		}
830 
831 	case OPTi9XX_HW_82C929:
832 		outb(value, chip->mc_base + reg);
833 		break;
834 
835 	default:
836 		snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
837 	}
838 
839 	spin_unlock_irqrestore(&chip->lock, flags);
840 }
841 
842 
843 #define snd_miro_write_mask(chip, reg, value, mask)	\
844 	snd_miro_write(chip, reg,			\
845 		(snd_miro_read(chip, reg) & ~(mask)) | ((value) & (mask)))
846 
847 /*
848  *  Proc Interface
849  */
850 
851 static void snd_miro_proc_read(struct snd_info_entry * entry,
852 			       struct snd_info_buffer *buffer)
853 {
854 	struct snd_miro *miro = (struct snd_miro *) entry->private_data;
855 	char* model = "unknown";
856 
857 	/* miroSOUND PCM1 pro, early PCM12 */
858 
859 	if ((miro->hardware == OPTi9XX_HW_82C929) &&
860 	    (miro->aci_vendor == 'm') &&
861 	    (miro->aci_product == 'A')) {
862 		switch(miro->aci_version) {
863 		case 3:
864 			model = "miroSOUND PCM1 pro";
865 			break;
866 		default:
867 			model = "miroSOUND PCM1 pro / (early) PCM12";
868 			break;
869 		}
870 	}
871 
872 	/* miroSOUND PCM12, PCM12 (Rev. E), PCM12 pnp */
873 
874 	if ((miro->hardware == OPTi9XX_HW_82C924) &&
875 	    (miro->aci_vendor == 'm') &&
876 	    (miro->aci_product == 'B')) {
877 		switch(miro->aci_version) {
878 		case 4:
879 			model = "miroSOUND PCM12";
880 			break;
881 		case 176:
882 			model = "miroSOUND PCM12 (Rev. E)";
883 			break;
884 		default:
885 			model = "miroSOUND PCM12 / PCM12 pnp";
886 			break;
887 		}
888 	}
889 
890 	/* miroSOUND PCM20 radio */
891 
892 	if ((miro->hardware == OPTi9XX_HW_82C924) &&
893 	    (miro->aci_vendor == 'm') &&
894 	    (miro->aci_product == 'C')) {
895 		switch(miro->aci_version) {
896 		case 7:
897 			model = "miroSOUND PCM20 radio (Rev. E)";
898 			break;
899 		default:
900 			model = "miroSOUND PCM20 radio";
901 			break;
902 		}
903 	}
904 
905 	snd_iprintf(buffer, "\nGeneral information:\n");
906 	snd_iprintf(buffer, "  model   : %s\n", model);
907 	snd_iprintf(buffer, "  opti    : %s\n", miro->name);
908 	snd_iprintf(buffer, "  codec   : %s\n", miro->pcm->name);
909 	snd_iprintf(buffer, "  port    : 0x%lx\n", miro->wss_base);
910 	snd_iprintf(buffer, "  irq     : %d\n", miro->irq);
911 	snd_iprintf(buffer, "  dma     : %d,%d\n\n", miro->dma1, miro->dma2);
912 
913 	snd_iprintf(buffer, "MPU-401:\n");
914 	snd_iprintf(buffer, "  port    : 0x%lx\n", miro->mpu_port);
915 	snd_iprintf(buffer, "  irq     : %d\n\n", miro->mpu_irq);
916 
917 	snd_iprintf(buffer, "ACI information:\n");
918 	snd_iprintf(buffer, "  vendor  : ");
919 	switch(miro->aci_vendor) {
920 	case 'm':
921 		snd_iprintf(buffer, "Miro\n");
922 		break;
923 	default:
924 		snd_iprintf(buffer, "unknown (0x%x)\n", miro->aci_vendor);
925 		break;
926 	}
927 
928 	snd_iprintf(buffer, "  product : ");
929 	switch(miro->aci_product) {
930 	case 'A':
931 		snd_iprintf(buffer, "miroSOUND PCM1 pro / (early) PCM12\n");
932 		break;
933 	case 'B':
934 		snd_iprintf(buffer, "miroSOUND PCM12\n");
935 		break;
936 	case 'C':
937 		snd_iprintf(buffer, "miroSOUND PCM20 radio\n");
938 		break;
939 	default:
940 		snd_iprintf(buffer, "unknown (0x%x)\n", miro->aci_product);
941 		break;
942 	}
943 
944 	snd_iprintf(buffer, "  firmware: %d (0x%x)\n",
945 		    miro->aci_version, miro->aci_version);
946 	snd_iprintf(buffer, "  port    : 0x%lx-0x%lx\n",
947 		    miro->aci_port, miro->aci_port+2);
948 	snd_iprintf(buffer, "  wss     : 0x%x\n", wss);
949 	snd_iprintf(buffer, "  ide     : 0x%x\n", ide);
950 	snd_iprintf(buffer, "  solomode: 0x%x\n", miro->aci_solomode);
951 	snd_iprintf(buffer, "  amp     : 0x%x\n", miro->aci_amp);
952 	snd_iprintf(buffer, "  preamp  : 0x%x\n", miro->aci_preamp);
953 }
954 
955 static void __devinit snd_miro_proc_init(struct snd_miro * miro)
956 {
957 	struct snd_info_entry *entry;
958 
959 	if (! snd_card_proc_new(miro->card, "miro", &entry))
960 		snd_info_set_text_ops(entry, miro, snd_miro_proc_read);
961 }
962 
963 /*
964  *  Init
965  */
966 
967 static int __devinit snd_miro_configure(struct snd_miro *chip)
968 {
969 	unsigned char wss_base_bits;
970 	unsigned char irq_bits;
971 	unsigned char dma_bits;
972 	unsigned char mpu_port_bits = 0;
973 	unsigned char mpu_irq_bits;
974 	unsigned long flags;
975 
976 	switch (chip->hardware) {
977 	case OPTi9XX_HW_82C924:
978 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
979 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
980 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
981 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
982 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
983 		break;
984 	case OPTi9XX_HW_82C929:
985 		/* untested init commands for OPTi929 */
986 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
987 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
988 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
989 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
990 		break;
991 	default:
992 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
993 		return -EINVAL;
994 	}
995 
996 	switch (chip->wss_base) {
997 	case 0x530:
998 		wss_base_bits = 0x00;
999 		break;
1000 	case 0x604:
1001 		wss_base_bits = 0x03;
1002 		break;
1003 	case 0xe80:
1004 		wss_base_bits = 0x01;
1005 		break;
1006 	case 0xf40:
1007 		wss_base_bits = 0x02;
1008 		break;
1009 	default:
1010 		snd_printk(KERN_ERR "WSS port 0x%lx not valid\n", chip->wss_base);
1011 		goto __skip_base;
1012 	}
1013 	snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
1014 
1015 __skip_base:
1016 	switch (chip->irq) {
1017 	case 5:
1018 		irq_bits = 0x05;
1019 		break;
1020 	case 7:
1021 		irq_bits = 0x01;
1022 		break;
1023 	case 9:
1024 		irq_bits = 0x02;
1025 		break;
1026 	case 10:
1027 		irq_bits = 0x03;
1028 		break;
1029 	case 11:
1030 		irq_bits = 0x04;
1031 		break;
1032 	default:
1033 		snd_printk(KERN_ERR "WSS irq # %d not valid\n", chip->irq);
1034 		goto __skip_resources;
1035 	}
1036 
1037 	switch (chip->dma1) {
1038 	case 0:
1039 		dma_bits = 0x01;
1040 		break;
1041 	case 1:
1042 		dma_bits = 0x02;
1043 		break;
1044 	case 3:
1045 		dma_bits = 0x03;
1046 		break;
1047 	default:
1048 		snd_printk(KERN_ERR "WSS dma1 # %d not valid\n", chip->dma1);
1049 		goto __skip_resources;
1050 	}
1051 
1052 	if (chip->dma1 == chip->dma2) {
1053 		snd_printk(KERN_ERR "don't want to share dmas\n");
1054 		return -EBUSY;
1055 	}
1056 
1057 	switch (chip->dma2) {
1058 	case 0:
1059 	case 1:
1060 		break;
1061 	default:
1062 		snd_printk(KERN_ERR "WSS dma2 # %d not valid\n", chip->dma2);
1063 		goto __skip_resources;
1064 	}
1065 	dma_bits |= 0x04;
1066 
1067 	spin_lock_irqsave(&chip->lock, flags);
1068 	outb(irq_bits << 3 | dma_bits, chip->wss_base);
1069 	spin_unlock_irqrestore(&chip->lock, flags);
1070 
1071 __skip_resources:
1072 	if (chip->hardware > OPTi9XX_HW_82C928) {
1073 		switch (chip->mpu_port) {
1074 		case 0:
1075 		case -1:
1076 			break;
1077 		case 0x300:
1078 			mpu_port_bits = 0x03;
1079 			break;
1080 		case 0x310:
1081 			mpu_port_bits = 0x02;
1082 			break;
1083 		case 0x320:
1084 			mpu_port_bits = 0x01;
1085 			break;
1086 		case 0x330:
1087 			mpu_port_bits = 0x00;
1088 			break;
1089 		default:
1090 			snd_printk(KERN_ERR "MPU-401 port 0x%lx not valid\n",
1091 				   chip->mpu_port);
1092 			goto __skip_mpu;
1093 		}
1094 
1095 		switch (chip->mpu_irq) {
1096 		case 5:
1097 			mpu_irq_bits = 0x02;
1098 			break;
1099 		case 7:
1100 			mpu_irq_bits = 0x03;
1101 			break;
1102 		case 9:
1103 			mpu_irq_bits = 0x00;
1104 			break;
1105 		case 10:
1106 			mpu_irq_bits = 0x01;
1107 			break;
1108 		default:
1109 			snd_printk(KERN_ERR "MPU-401 irq # %d not valid\n",
1110 				   chip->mpu_irq);
1111 			goto __skip_mpu;
1112 		}
1113 
1114 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(6),
1115 			(chip->mpu_port <= 0) ? 0x00 :
1116 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
1117 			0xf8);
1118 	}
1119 __skip_mpu:
1120 
1121 	return 0;
1122 }
1123 
1124 static int __devinit snd_card_miro_detect(struct snd_card *card,
1125 					  struct snd_miro *chip)
1126 {
1127 	int i, err;
1128 	unsigned char value;
1129 
1130 	for (i = OPTi9XX_HW_82C929; i <= OPTi9XX_HW_82C924; i++) {
1131 
1132 		if ((err = snd_miro_init(chip, i)) < 0)
1133 			return err;
1134 
1135 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1136 			continue;
1137 
1138 		value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
1139 		if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1140 			if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
1141 				return 1;
1142 
1143 		release_and_free_resource(chip->res_mc_base);
1144 		chip->res_mc_base = NULL;
1145 
1146 	}
1147 
1148 	return -ENODEV;
1149 }
1150 
1151 static int __devinit snd_card_miro_aci_detect(struct snd_card *card,
1152 					      struct snd_miro * miro)
1153 {
1154 	unsigned char regval;
1155 	int i;
1156 
1157 	mutex_init(&miro->aci_mutex);
1158 
1159 	/* get ACI port from OPTi9xx MC 4 */
1160 
1161 	miro->mc_base = 0xf8c;
1162 	regval=inb(miro->mc_base + 4);
1163 	miro->aci_port = (regval & 0x10) ? 0x344: 0x354;
1164 
1165 	if ((miro->res_aci_port = request_region(miro->aci_port, 3, "miro aci")) == NULL) {
1166 		snd_printk(KERN_ERR "aci i/o area 0x%lx-0x%lx already used.\n",
1167 			   miro->aci_port, miro->aci_port+2);
1168 		return -ENOMEM;
1169 	}
1170 
1171         /* force ACI into a known state */
1172 	for (i = 0; i < 3; i++)
1173 		if (aci_cmd(miro, ACI_ERROR_OP, -1, -1) < 0) {
1174 			snd_printk(KERN_ERR "can't force aci into known state.\n");
1175 			return -ENXIO;
1176 		}
1177 
1178 	if ((miro->aci_vendor=aci_cmd(miro, ACI_READ_IDCODE, -1, -1)) < 0 ||
1179 	    (miro->aci_product=aci_cmd(miro, ACI_READ_IDCODE, -1, -1)) < 0) {
1180 		snd_printk(KERN_ERR "can't read aci id on 0x%lx.\n", miro->aci_port);
1181 		return -ENXIO;
1182 	}
1183 
1184 	if ((miro->aci_version=aci_cmd(miro, ACI_READ_VERSION, -1, -1)) < 0) {
1185 		snd_printk(KERN_ERR "can't read aci version on 0x%lx.\n",
1186 			   miro->aci_port);
1187 		return -ENXIO;
1188 	}
1189 
1190 	if (aci_cmd(miro, ACI_INIT, -1, -1) < 0 ||
1191 	    aci_cmd(miro, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0 ||
1192 	    aci_cmd(miro, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0) {
1193 		snd_printk(KERN_ERR "can't initialize aci.\n");
1194 		return -ENXIO;
1195 	}
1196 
1197 	return 0;
1198 }
1199 
1200 static void snd_card_miro_free(struct snd_card *card)
1201 {
1202 	struct snd_miro *miro = card->private_data;
1203 
1204 	release_and_free_resource(miro->res_aci_port);
1205 	release_and_free_resource(miro->res_mc_base);
1206 }
1207 
1208 static int __devinit snd_miro_match(struct device *devptr, unsigned int n)
1209 {
1210 	return 1;
1211 }
1212 
1213 static int __devinit snd_miro_probe(struct device *devptr, unsigned int n)
1214 {
1215 	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1216 	static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
1217 	static int possible_irqs[] = {11, 9, 10, 7, -1};
1218 	static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
1219 	static int possible_dma1s[] = {3, 1, 0, -1};
1220 	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1221 
1222 	int error;
1223 	struct snd_miro *miro;
1224 	struct snd_cs4231 *codec;
1225 	struct snd_timer *timer;
1226 	struct snd_card *card;
1227 	struct snd_pcm *pcm;
1228 	struct snd_rawmidi *rmidi;
1229 
1230 	if (!(card = snd_card_new(index, id, THIS_MODULE,
1231 				  sizeof(struct snd_miro))))
1232 		return -ENOMEM;
1233 
1234 	card->private_free = snd_card_miro_free;
1235 	miro = card->private_data;
1236 	miro->card = card;
1237 
1238 	if ((error = snd_card_miro_aci_detect(card, miro)) < 0) {
1239 		snd_card_free(card);
1240 		snd_printk(KERN_ERR "unable to detect aci chip\n");
1241 		return -ENODEV;
1242 	}
1243 
1244 	/* init proc interface */
1245 	snd_miro_proc_init(miro);
1246 
1247 	if ((error = snd_card_miro_detect(card, miro)) < 0) {
1248 		snd_card_free(card);
1249 		snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
1250 		return -ENODEV;
1251 	}
1252 
1253 	if (! miro->res_mc_base &&
1254 	    (miro->res_mc_base = request_region(miro->mc_base, miro->mc_base_size,
1255 						"miro (OPTi9xx MC)")) == NULL) {
1256 		snd_card_free(card);
1257 		snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
1258 		return -ENOMEM;
1259 	}
1260 
1261 	miro->wss_base = port;
1262 	miro->fm_port = fm_port;
1263 	miro->mpu_port = mpu_port;
1264 	miro->irq = irq;
1265 	miro->mpu_irq = mpu_irq;
1266 	miro->dma1 = dma1;
1267 	miro->dma2 = dma2;
1268 
1269 	if (miro->wss_base == SNDRV_AUTO_PORT) {
1270 		if ((miro->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1271 			snd_card_free(card);
1272 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
1273 			return -EBUSY;
1274 		}
1275 	}
1276 
1277 	if (miro->mpu_port == SNDRV_AUTO_PORT) {
1278 		if ((miro->mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1279 			snd_card_free(card);
1280 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1281 			return -EBUSY;
1282 		}
1283 	}
1284 	if (miro->irq == SNDRV_AUTO_IRQ) {
1285 		if ((miro->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1286 			snd_card_free(card);
1287 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
1288 			return -EBUSY;
1289 		}
1290 	}
1291 	if (miro->mpu_irq == SNDRV_AUTO_IRQ) {
1292 		if ((miro->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1293 			snd_card_free(card);
1294 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1295 			return -EBUSY;
1296 		}
1297 	}
1298 	if (miro->dma1 == SNDRV_AUTO_DMA) {
1299 		if ((miro->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1300 			snd_card_free(card);
1301 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1302 			return -EBUSY;
1303 		}
1304 	}
1305 	if (miro->dma2 == SNDRV_AUTO_DMA) {
1306 		if ((miro->dma2 = snd_legacy_find_free_dma(possible_dma2s[miro->dma1 % 4])) < 0) {
1307 			snd_card_free(card);
1308 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1309 			return -EBUSY;
1310 		}
1311 	}
1312 
1313 	if ((error = snd_miro_configure(miro))) {
1314 		snd_card_free(card);
1315 		return error;
1316 	}
1317 
1318 	if ((error = snd_cs4231_create(card, miro->wss_base + 4, -1,
1319 				       miro->irq, miro->dma1, miro->dma2,
1320 				       CS4231_HW_AD1845,
1321 				       0,
1322 				       &codec)) < 0) {
1323 		snd_card_free(card);
1324 		return error;
1325 	}
1326 
1327 	if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) {
1328 		snd_card_free(card);
1329 		return error;
1330 	}
1331 	if ((error = snd_cs4231_mixer(codec)) < 0) {
1332 		snd_card_free(card);
1333 		return error;
1334 	}
1335 	if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) {
1336 		snd_card_free(card);
1337 		return error;
1338 	}
1339 
1340 	miro->pcm = pcm;
1341 
1342 	if ((error = snd_miro_mixer(miro)) < 0) {
1343 		snd_card_free(card);
1344 		return error;
1345 	}
1346 
1347 	if (miro->aci_vendor == 'm') {
1348 		/* It looks like a miro sound card. */
1349 		switch (miro->aci_product) {
1350 		case 'A':
1351 			sprintf(card->shortname,
1352 				"miroSOUND PCM1 pro / PCM12");
1353 			break;
1354 		case 'B':
1355 			sprintf(card->shortname,
1356 				"miroSOUND PCM12");
1357 			break;
1358 		case 'C':
1359 			sprintf(card->shortname,
1360 				"miroSOUND PCM20 radio");
1361 			break;
1362 		default:
1363 			sprintf(card->shortname,
1364 				"unknown miro");
1365 			snd_printk(KERN_INFO "unknown miro aci id\n");
1366 			break;
1367 		}
1368 	} else {
1369 		snd_printk(KERN_INFO "found unsupported aci card\n");
1370 		sprintf(card->shortname, "unknown Cardinal Technologies");
1371 	}
1372 
1373 	strcpy(card->driver, "miro");
1374 	sprintf(card->longname, "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
1375 		card->shortname, miro->name, pcm->name, miro->wss_base + 4,
1376 		miro->irq, miro->dma1, miro->dma2);
1377 
1378 	if (miro->mpu_port <= 0 || miro->mpu_port == SNDRV_AUTO_PORT)
1379 		rmidi = NULL;
1380 	else
1381 		if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1382 				miro->mpu_port, 0, miro->mpu_irq, IRQF_DISABLED,
1383 				&rmidi)))
1384 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n", miro->mpu_port);
1385 
1386 	if (miro->fm_port > 0 && miro->fm_port != SNDRV_AUTO_PORT) {
1387 		struct snd_opl3 *opl3 = NULL;
1388 		struct snd_opl4 *opl4;
1389 		if (snd_opl4_create(card, miro->fm_port, miro->fm_port - 8,
1390 				    2, &opl3, &opl4) < 0)
1391 			snd_printk(KERN_WARNING "no OPL4 device at 0x%lx\n", miro->fm_port);
1392 	}
1393 
1394 	if ((error = snd_set_aci_init_values(miro)) < 0) {
1395 		snd_card_free(card);
1396                 return error;
1397 	}
1398 
1399 	snd_card_set_dev(card, devptr);
1400 
1401 	if ((error = snd_card_register(card))) {
1402 		snd_card_free(card);
1403 		return error;
1404 	}
1405 
1406 	dev_set_drvdata(devptr, card);
1407 	return 0;
1408 }
1409 
1410 static int __devexit snd_miro_remove(struct device *devptr, unsigned int dev)
1411 {
1412 	snd_card_free(dev_get_drvdata(devptr));
1413 	dev_set_drvdata(devptr, NULL);
1414 	return 0;
1415 }
1416 
1417 #define DEV_NAME "miro"
1418 
1419 static struct isa_driver snd_miro_driver = {
1420 	.match		= snd_miro_match,
1421 	.probe		= snd_miro_probe,
1422 	.remove		= __devexit_p(snd_miro_remove),
1423 	/* FIXME: suspend/resume */
1424 	.driver		= {
1425 		.name	= DEV_NAME
1426 	},
1427 };
1428 
1429 static int __init alsa_card_miro_init(void)
1430 {
1431 	return isa_register_driver(&snd_miro_driver, 1);
1432 }
1433 
1434 static void __exit alsa_card_miro_exit(void)
1435 {
1436 	isa_unregister_driver(&snd_miro_driver);
1437 }
1438 
1439 module_init(alsa_card_miro_init)
1440 module_exit(alsa_card_miro_exit)
1441