xref: /linux/sound/isa/opti9xx/miro.c (revision f3d9478b2ce468c3115b02ecae7e975990697f15)
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 <sound/driver.h>
26 #include <linux/init.h>
27 #include <linux/err.h>
28 #include <linux/platform_device.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/ioport.h>
32 #include <linux/moduleparam.h>
33 #include <asm/io.h>
34 #include <asm/dma.h>
35 #include <sound/core.h>
36 #include <sound/cs4231.h>
37 #include <sound/mpu401.h>
38 #include <sound/opl4.h>
39 #include <sound/control.h>
40 #include <sound/info.h>
41 #define SNDRV_LEGACY_FIND_FREE_IRQ
42 #define SNDRV_LEGACY_FIND_FREE_DMA
43 #include <sound/initval.h>
44 #include "miro.h"
45 
46 MODULE_AUTHOR("Martin Langer <martin-langer@gmx.de>");
47 MODULE_LICENSE("GPL");
48 MODULE_DESCRIPTION("Miro miroSOUND PCM1 pro, PCM12, PCM20 Radio");
49 MODULE_SUPPORTED_DEVICE("{{Miro,miroSOUND PCM1 pro}, "
50 			"{Miro,miroSOUND PCM12}, "
51 			"{Miro,miroSOUND PCM20 Radio}}");
52 
53 static int index = SNDRV_DEFAULT_IDX1;		/* Index 0-MAX */
54 static char *id = SNDRV_DEFAULT_STR1;		/* ID for this card */
55 static long port = SNDRV_DEFAULT_PORT1; 	/* 0x530,0xe80,0xf40,0x604 */
56 static long mpu_port = SNDRV_DEFAULT_PORT1;	/* 0x300,0x310,0x320,0x330 */
57 static long fm_port = SNDRV_DEFAULT_PORT1;	/* 0x388 */
58 static int irq = SNDRV_DEFAULT_IRQ1;		/* 5,7,9,10,11 */
59 static int mpu_irq = SNDRV_DEFAULT_IRQ1;	/* 5,7,9,10 */
60 static int dma1 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
61 static int dma2 = SNDRV_DEFAULT_DMA1;		/* 0,1,3 */
62 static int wss;
63 static int ide;
64 
65 module_param(index, int, 0444);
66 MODULE_PARM_DESC(index, "Index value for miro soundcard.");
67 module_param(id, charp, 0444);
68 MODULE_PARM_DESC(id, "ID string for miro soundcard.");
69 module_param(port, long, 0444);
70 MODULE_PARM_DESC(port, "WSS port # for miro driver.");
71 module_param(mpu_port, long, 0444);
72 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for miro driver.");
73 module_param(fm_port, long, 0444);
74 MODULE_PARM_DESC(fm_port, "FM Port # for miro driver.");
75 module_param(irq, int, 0444);
76 MODULE_PARM_DESC(irq, "WSS irq # for miro driver.");
77 module_param(mpu_irq, int, 0444);
78 MODULE_PARM_DESC(mpu_irq, "MPU-401 irq # for miro driver.");
79 module_param(dma1, int, 0444);
80 MODULE_PARM_DESC(dma1, "1st dma # for miro driver.");
81 module_param(dma2, int, 0444);
82 MODULE_PARM_DESC(dma2, "2nd dma # for miro driver.");
83 module_param(wss, int, 0444);
84 MODULE_PARM_DESC(wss, "wss mode");
85 module_param(ide, int, 0444);
86 MODULE_PARM_DESC(ide, "enable ide port");
87 
88 #define OPTi9XX_HW_DETECT	0
89 #define OPTi9XX_HW_82C928	1
90 #define OPTi9XX_HW_82C929	2
91 #define OPTi9XX_HW_82C924	3
92 #define OPTi9XX_HW_82C925	4
93 #define OPTi9XX_HW_82C930	5
94 #define OPTi9XX_HW_82C931	6
95 #define OPTi9XX_HW_82C933	7
96 #define OPTi9XX_HW_LAST		OPTi9XX_HW_82C933
97 
98 #define OPTi9XX_MC_REG(n)	n
99 
100 
101 struct snd_miro {
102 	unsigned short hardware;
103 	unsigned char password;
104 	char name[7];
105 
106 	struct resource *res_mc_base;
107 	struct resource *res_aci_port;
108 
109 	unsigned long mc_base;
110 	unsigned long mc_base_size;
111 	unsigned long pwd_reg;
112 
113 	spinlock_t lock;
114 	struct snd_card *card;
115 	struct snd_pcm *pcm;
116 
117 	long wss_base;
118 	int irq;
119 	int dma1;
120 	int dma2;
121 
122 	long fm_port;
123 
124 	long mpu_port;
125 	int mpu_irq;
126 
127 	unsigned long aci_port;
128 	int aci_vendor;
129 	int aci_product;
130 	int aci_version;
131 	int aci_amp;
132 	int aci_preamp;
133 	int aci_solomode;
134 
135 	struct mutex aci_mutex;
136 };
137 
138 static void snd_miro_proc_init(struct snd_miro * miro);
139 
140 #define DRIVER_NAME "snd-miro"
141 
142 static struct platform_device *device;
143 
144 static char * snd_opti9xx_names[] = {
145 	"unkown",
146 	"82C928", "82C929",
147 	"82C924", "82C925",
148 	"82C930", "82C931", "82C933"
149 };
150 
151 /*
152  *  ACI control
153  */
154 
155 static int aci_busy_wait(struct snd_miro * miro)
156 {
157 	long timeout;
158 	unsigned char byte;
159 
160 	for (timeout = 1; timeout <= ACI_MINTIME+30; timeout++) {
161 		if (((byte=inb(miro->aci_port + ACI_REG_BUSY)) & 1) == 0) {
162 			if (timeout >= ACI_MINTIME)
163 				snd_printd("aci ready in round %ld.\n",
164 					   timeout-ACI_MINTIME);
165 			return byte;
166 		}
167 		if (timeout >= ACI_MINTIME) {
168 			long out=10*HZ;
169 			switch (timeout-ACI_MINTIME) {
170 			case 0 ... 9:
171 				out /= 10;
172 			case 10 ... 19:
173 				out /= 10;
174 			case 20 ... 30:
175 				out /= 10;
176 			default:
177 				set_current_state(TASK_UNINTERRUPTIBLE);
178 				schedule_timeout(out);
179 				break;
180 			}
181 		}
182 	}
183 	snd_printk(KERN_ERR "aci_busy_wait() time out\n");
184 	return -EBUSY;
185 }
186 
187 static inline int aci_write(struct snd_miro * miro, unsigned char byte)
188 {
189 	if (aci_busy_wait(miro) >= 0) {
190 		outb(byte, miro->aci_port + ACI_REG_COMMAND);
191 		return 0;
192 	} else {
193 		snd_printk(KERN_ERR "aci busy, aci_write(0x%x) stopped.\n", byte);
194 		return -EBUSY;
195 	}
196 }
197 
198 static inline int aci_read(struct snd_miro * miro)
199 {
200 	unsigned char byte;
201 
202 	if (aci_busy_wait(miro) >= 0) {
203 		byte=inb(miro->aci_port + ACI_REG_STATUS);
204 		return byte;
205 	} else {
206 		snd_printk(KERN_ERR "aci busy, aci_read() stopped.\n");
207 		return -EBUSY;
208 	}
209 }
210 
211 static int aci_cmd(struct snd_miro * miro, int write1, int write2, int write3)
212 {
213 	int write[] = {write1, write2, write3};
214 	int value, i;
215 
216 	if (mutex_lock_interruptible(&miro->aci_mutex))
217 		return -EINTR;
218 
219 	for (i=0; i<3; i++) {
220 		if (write[i]< 0 || write[i] > 255)
221 			break;
222 		else {
223 			value = aci_write(miro, write[i]);
224 			if (value < 0)
225 				goto out;
226 		}
227 	}
228 
229 	value = aci_read(miro);
230 
231 out:	mutex_unlock(&miro->aci_mutex);
232 	return value;
233 }
234 
235 static int aci_getvalue(struct snd_miro * miro, unsigned char index)
236 {
237 	return aci_cmd(miro, ACI_STATUS, index, -1);
238 }
239 
240 static int aci_setvalue(struct snd_miro * miro, unsigned char index, int value)
241 {
242 	return aci_cmd(miro, index, value, -1);
243 }
244 
245 /*
246  *  MIXER part
247  */
248 
249 static int snd_miro_info_capture(struct snd_kcontrol *kcontrol,
250 				 struct snd_ctl_elem_info *uinfo)
251 {
252 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
253 	uinfo->count = 1;
254 
255 	return 0;
256 }
257 
258 static int snd_miro_get_capture(struct snd_kcontrol *kcontrol,
259 				struct snd_ctl_elem_value *ucontrol)
260 {
261 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
262 	int value;
263 
264 	if ((value = aci_getvalue(miro, ACI_S_GENERAL)) < 0) {
265 		snd_printk(KERN_ERR "snd_miro_get_capture() failed: %d\n", value);
266 		return value;
267 	}
268 
269 	ucontrol->value.integer.value[0] = value & 0x20;
270 
271 	return 0;
272 }
273 
274 static int snd_miro_put_capture(struct snd_kcontrol *kcontrol,
275 				struct snd_ctl_elem_value *ucontrol)
276 {
277 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
278 	int change, value, error;
279 
280 	value = !(ucontrol->value.integer.value[0]);
281 
282 	if ((error = aci_setvalue(miro, ACI_SET_SOLOMODE, value)) < 0) {
283 		snd_printk(KERN_ERR "snd_miro_put_capture() failed: %d\n", error);
284 		return error;
285 	}
286 
287 	change = (value != miro->aci_solomode);
288 	miro->aci_solomode = value;
289 
290 	return change;
291 }
292 
293 static int snd_miro_info_preamp(struct snd_kcontrol *kcontrol,
294 				struct snd_ctl_elem_info *uinfo)
295 {
296 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
297 	uinfo->count = 1;
298 	uinfo->value.integer.min = 0;
299 	uinfo->value.integer.max = 3;
300 
301 	return 0;
302 }
303 
304 static int snd_miro_get_preamp(struct snd_kcontrol *kcontrol,
305 			       struct snd_ctl_elem_value *ucontrol)
306 {
307 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
308 	int value;
309 
310 	if (miro->aci_version <= 176) {
311 
312 		/*
313 		   OSS says it's not readable with versions < 176.
314 		   But it doesn't work on my card,
315 		   which is a PCM12 with aci_version = 176.
316 		*/
317 
318 		ucontrol->value.integer.value[0] = miro->aci_preamp;
319 		return 0;
320 	}
321 
322 	if ((value = aci_getvalue(miro, ACI_GET_PREAMP)) < 0) {
323 		snd_printk(KERN_ERR "snd_miro_get_preamp() failed: %d\n", value);
324 		return value;
325 	}
326 
327 	ucontrol->value.integer.value[0] = value;
328 
329 	return 0;
330 }
331 
332 static int snd_miro_put_preamp(struct snd_kcontrol *kcontrol,
333 			       struct snd_ctl_elem_value *ucontrol)
334 {
335 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
336 	int error, value, change;
337 
338 	value = ucontrol->value.integer.value[0];
339 
340 	if ((error = aci_setvalue(miro, ACI_SET_PREAMP, value)) < 0) {
341 		snd_printk(KERN_ERR "snd_miro_put_preamp() failed: %d\n", error);
342 		return error;
343 	}
344 
345 	change = (value != miro->aci_preamp);
346 	miro->aci_preamp = value;
347 
348 	return change;
349 }
350 
351 static int snd_miro_info_amp(struct snd_kcontrol *kcontrol,
352 			     struct snd_ctl_elem_info *uinfo)
353 {
354 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
355 	uinfo->count = 1;
356 
357 	return 0;
358 }
359 
360 static int snd_miro_get_amp(struct snd_kcontrol *kcontrol,
361 			    struct snd_ctl_elem_value *ucontrol)
362 {
363 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
364 	ucontrol->value.integer.value[0] = miro->aci_amp;
365 
366 	return 0;
367 }
368 
369 static int snd_miro_put_amp(struct snd_kcontrol *kcontrol,
370 			    struct snd_ctl_elem_value *ucontrol)
371 {
372 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
373 	int error, value, change;
374 
375 	value = ucontrol->value.integer.value[0];
376 
377 	if ((error = aci_setvalue(miro, ACI_SET_POWERAMP, value)) < 0) {
378 		snd_printk(KERN_ERR "snd_miro_put_amp() to %d failed: %d\n", value, error);
379 		return error;
380 	}
381 
382 	change = (value != miro->aci_amp);
383 	miro->aci_amp = value;
384 
385 	return change;
386 }
387 
388 #define MIRO_DOUBLE(ctl_name, ctl_index, get_right_reg, set_right_reg) \
389 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
390   .name = ctl_name, \
391   .index = ctl_index, \
392   .info = snd_miro_info_double, \
393   .get = snd_miro_get_double, \
394   .put = snd_miro_put_double, \
395   .private_value = get_right_reg | (set_right_reg << 8) \
396 }
397 
398 static int snd_miro_info_double(struct snd_kcontrol *kcontrol,
399 				struct snd_ctl_elem_info *uinfo)
400 {
401 	int reg = kcontrol->private_value & 0xff;
402 
403 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
404 	uinfo->count = 2;
405 
406 	if ((reg >= ACI_GET_EQ1) && (reg <= ACI_GET_EQ7)) {
407 
408 		/* equalizer elements */
409 
410 		uinfo->value.integer.min = - 0x7f;
411 		uinfo->value.integer.max = 0x7f;
412 	} else {
413 
414 		/* non-equalizer elements */
415 
416 		uinfo->value.integer.min = 0;
417 		uinfo->value.integer.max = 0x20;
418 	}
419 
420 	return 0;
421 }
422 
423 static int snd_miro_get_double(struct snd_kcontrol *kcontrol,
424 			       struct snd_ctl_elem_value *uinfo)
425 {
426 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
427 	int left_val, right_val;
428 
429 	int right_reg = kcontrol->private_value & 0xff;
430 	int left_reg = right_reg + 1;
431 
432 	if ((right_val = aci_getvalue(miro, right_reg)) < 0) {
433 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", right_reg, right_val);
434 		return right_val;
435 	}
436 
437 	if ((left_val = aci_getvalue(miro, left_reg)) < 0) {
438 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", left_reg, left_val);
439 		return left_val;
440 	}
441 
442 	if ((right_reg >= ACI_GET_EQ1) && (right_reg <= ACI_GET_EQ7)) {
443 
444 		/* equalizer elements */
445 
446 		if (left_val < 0x80) {
447 			uinfo->value.integer.value[0] = left_val;
448 		} else {
449 			uinfo->value.integer.value[0] = 0x80 - left_val;
450 		}
451 
452 		if (right_val < 0x80) {
453 			uinfo->value.integer.value[1] = right_val;
454 		} else {
455 			uinfo->value.integer.value[1] = 0x80 - right_val;
456 		}
457 
458 	} else {
459 
460 		/* non-equalizer elements */
461 
462 		uinfo->value.integer.value[0] = 0x20 - left_val;
463 		uinfo->value.integer.value[1] = 0x20 - right_val;
464 	}
465 
466 	return 0;
467 }
468 
469 static int snd_miro_put_double(struct snd_kcontrol *kcontrol,
470 			       struct snd_ctl_elem_value *ucontrol)
471 {
472 	struct snd_miro *miro = snd_kcontrol_chip(kcontrol);
473 	int left, right, left_old, right_old;
474 	int setreg_left, setreg_right, getreg_left, getreg_right;
475 	int change, error;
476 
477 	left = ucontrol->value.integer.value[0];
478 	right = ucontrol->value.integer.value[1];
479 
480 	setreg_right = (kcontrol->private_value >> 8) & 0xff;
481 	if (setreg_right == ACI_SET_MASTER) {
482 		setreg_left = setreg_right + 1;
483 	} else {
484 		setreg_left = setreg_right + 8;
485 	}
486 
487 	getreg_right = kcontrol->private_value & 0xff;
488 	getreg_left = getreg_right + 1;
489 
490 	if ((left_old = aci_getvalue(miro, getreg_left)) < 0) {
491 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_left, left_old);
492 		return left_old;
493 	}
494 
495 	if ((right_old = aci_getvalue(miro, getreg_right)) < 0) {
496 		snd_printk(KERN_ERR "aci_getvalue(%d) failed: %d\n", getreg_right, right_old);
497 		return right_old;
498 	}
499 
500 	if ((getreg_right >= ACI_GET_EQ1) && (getreg_right <= ACI_GET_EQ7)) {
501 
502 		/* equalizer elements */
503 
504 		if (left_old > 0x80)
505 			left_old = 0x80 - left_old;
506 		if (right_old > 0x80)
507 			right_old = 0x80 - right_old;
508 
509 		if (left >= 0) {
510 			if ((error = aci_setvalue(miro, setreg_left, left)) < 0) {
511 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
512 					   left, error);
513 				return error;
514 			}
515 		} else {
516 			if ((error = aci_setvalue(miro, setreg_left, 0x80 - left)) < 0) {
517 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
518 					   0x80 - left, error);
519 				return error;
520 			}
521 		}
522 
523 		if (right >= 0) {
524 			if ((error = aci_setvalue(miro, setreg_right, right)) < 0) {
525 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
526 					   right, error);
527 				return error;
528 			}
529 		} else {
530 			if ((error = aci_setvalue(miro, setreg_right, 0x80 - right)) < 0) {
531 				snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
532 					   0x80 - right, error);
533 				return error;
534 			}
535 		}
536 
537 	} else {
538 
539 		/* non-equalizer elements */
540 
541 		left_old = 0x20 - left_old;
542 		right_old = 0x20 - right_old;
543 
544 		if ((error = aci_setvalue(miro, setreg_left, 0x20 - left)) < 0) {
545 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
546 				   0x20 - left, error);
547 			return error;
548 		}
549 		if ((error = aci_setvalue(miro, setreg_right, 0x20 - right)) < 0) {
550 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
551 				   0x20 - right, error);
552 			return error;
553 		}
554 	}
555 
556 	change = (left != left_old) || (right != right_old);
557 
558 	return change;
559 }
560 
561 static struct snd_kcontrol_new snd_miro_controls[] = {
562 MIRO_DOUBLE("Master Playback Volume", 0, ACI_GET_MASTER, ACI_SET_MASTER),
563 MIRO_DOUBLE("Mic Playback Volume", 1, ACI_GET_MIC, ACI_SET_MIC),
564 MIRO_DOUBLE("Line Playback Volume", 1, ACI_GET_LINE, ACI_SET_LINE),
565 MIRO_DOUBLE("CD Playback Volume", 0, ACI_GET_CD, ACI_SET_CD),
566 MIRO_DOUBLE("Synth Playback Volume", 0, ACI_GET_SYNTH, ACI_SET_SYNTH),
567 MIRO_DOUBLE("PCM Playback Volume", 1, ACI_GET_PCM, ACI_SET_PCM),
568 MIRO_DOUBLE("Aux Playback Volume", 2, ACI_GET_LINE2, ACI_SET_LINE2),
569 };
570 
571 /* Equalizer with seven bands (only PCM20)
572    from -12dB up to +12dB on each band */
573 static struct snd_kcontrol_new snd_miro_eq_controls[] = {
574 MIRO_DOUBLE("Tone Control - 28 Hz", 0, ACI_GET_EQ1, ACI_SET_EQ1),
575 MIRO_DOUBLE("Tone Control - 160 Hz", 0, ACI_GET_EQ2, ACI_SET_EQ2),
576 MIRO_DOUBLE("Tone Control - 400 Hz", 0, ACI_GET_EQ3, ACI_SET_EQ3),
577 MIRO_DOUBLE("Tone Control - 1 kHz", 0, ACI_GET_EQ4, ACI_SET_EQ4),
578 MIRO_DOUBLE("Tone Control - 2.5 kHz", 0, ACI_GET_EQ5, ACI_SET_EQ5),
579 MIRO_DOUBLE("Tone Control - 6.3 kHz", 0, ACI_GET_EQ6, ACI_SET_EQ6),
580 MIRO_DOUBLE("Tone Control - 16 kHz", 0, ACI_GET_EQ7, ACI_SET_EQ7),
581 };
582 
583 static struct snd_kcontrol_new snd_miro_radio_control[] = {
584 MIRO_DOUBLE("Radio Playback Volume", 0, ACI_GET_LINE1, ACI_SET_LINE1),
585 };
586 
587 static struct snd_kcontrol_new snd_miro_line_control[] = {
588 MIRO_DOUBLE("Line Playback Volume", 2, ACI_GET_LINE1, ACI_SET_LINE1),
589 };
590 
591 static struct snd_kcontrol_new snd_miro_preamp_control[] = {
592 {
593 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
594 	.name = "Mic Boost",
595 	.index = 1,
596 	.info = snd_miro_info_preamp,
597 	.get = snd_miro_get_preamp,
598 	.put = snd_miro_put_preamp,
599 }};
600 
601 static struct snd_kcontrol_new snd_miro_amp_control[] = {
602 {
603 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
604 	.name = "Line Boost",
605 	.index = 0,
606 	.info = snd_miro_info_amp,
607 	.get = snd_miro_get_amp,
608 	.put = snd_miro_put_amp,
609 }};
610 
611 static struct snd_kcontrol_new snd_miro_capture_control[] = {
612 {
613 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
614 	.name = "PCM Capture Switch",
615 	.index = 0,
616 	.info = snd_miro_info_capture,
617 	.get = snd_miro_get_capture,
618 	.put = snd_miro_put_capture,
619 }};
620 
621 static unsigned char aci_init_values[][2] __initdata = {
622 	{ ACI_SET_MUTE, 0x00 },
623 	{ ACI_SET_POWERAMP, 0x00 },
624 	{ ACI_SET_PREAMP, 0x00 },
625 	{ ACI_SET_SOLOMODE, 0x00 },
626 	{ ACI_SET_MIC + 0, 0x20 },
627 	{ ACI_SET_MIC + 8, 0x20 },
628 	{ ACI_SET_LINE + 0, 0x20 },
629 	{ ACI_SET_LINE + 8, 0x20 },
630 	{ ACI_SET_CD + 0, 0x20 },
631 	{ ACI_SET_CD + 8, 0x20 },
632 	{ ACI_SET_PCM + 0, 0x20 },
633 	{ ACI_SET_PCM + 8, 0x20 },
634 	{ ACI_SET_LINE1 + 0, 0x20 },
635 	{ ACI_SET_LINE1 + 8, 0x20 },
636 	{ ACI_SET_LINE2 + 0, 0x20 },
637 	{ ACI_SET_LINE2 + 8, 0x20 },
638 	{ ACI_SET_SYNTH + 0, 0x20 },
639 	{ ACI_SET_SYNTH + 8, 0x20 },
640 	{ ACI_SET_MASTER + 0, 0x20 },
641 	{ ACI_SET_MASTER + 1, 0x20 },
642 };
643 
644 static int __init snd_set_aci_init_values(struct snd_miro *miro)
645 {
646 	int idx, error;
647 
648 	/* enable WSS on PCM1 */
649 
650 	if ((miro->aci_product == 'A') && wss) {
651 		if ((error = aci_setvalue(miro, ACI_SET_WSS, wss)) < 0) {
652 			snd_printk(KERN_ERR "enabling WSS mode failed\n");
653 			return error;
654 		}
655 	}
656 
657 	/* enable IDE port */
658 
659 	if (ide) {
660 		if ((error = aci_setvalue(miro, ACI_SET_IDE, ide)) < 0) {
661 			snd_printk(KERN_ERR "enabling IDE port failed\n");
662 			return error;
663 		}
664 	}
665 
666 	/* set common aci values */
667 
668 	for (idx = 0; idx < ARRAY_SIZE(aci_init_values); idx++)
669                 if ((error = aci_setvalue(miro, aci_init_values[idx][0],
670 					  aci_init_values[idx][1])) < 0) {
671 			snd_printk(KERN_ERR "aci_setvalue(%d) failed: %d\n",
672 				   aci_init_values[idx][0], error);
673                         return error;
674                 }
675 
676 	miro->aci_amp = 0;
677 	miro->aci_preamp = 0;
678 	miro->aci_solomode = 1;
679 
680 	return 0;
681 }
682 
683 static int snd_miro_mixer(struct snd_miro *miro)
684 {
685 	struct snd_card *card;
686 	unsigned int idx;
687 	int err;
688 
689 	snd_assert(miro != NULL && miro->card != NULL, return -EINVAL);
690 
691 	card = miro->card;
692 
693 	switch (miro->hardware) {
694 	case OPTi9XX_HW_82C924:
695 		strcpy(card->mixername, "ACI & OPTi924");
696 		break;
697 	case OPTi9XX_HW_82C929:
698 		strcpy(card->mixername, "ACI & OPTi929");
699 		break;
700 	default:
701 		snd_BUG();
702 		break;
703 	}
704 
705 	for (idx = 0; idx < ARRAY_SIZE(snd_miro_controls); idx++) {
706 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_controls[idx], miro))) < 0)
707 			return err;
708 	}
709 
710 	if ((miro->aci_product == 'A') || (miro->aci_product == 'B')) {
711 		/* PCM1/PCM12 with power-amp and Line 2 */
712 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_line_control[0], miro))) < 0)
713 			return err;
714 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_amp_control[0], miro))) < 0)
715 			return err;
716 	}
717 
718 	if ((miro->aci_product == 'B') || (miro->aci_product == 'C')) {
719 		/* PCM12/PCM20 with mic-preamp */
720 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_preamp_control[0], miro))) < 0)
721 			return err;
722 		if (miro->aci_version >= 176)
723 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_capture_control[0], miro))) < 0)
724 				return err;
725 	}
726 
727 	if (miro->aci_product == 'C') {
728 		/* PCM20 with radio and 7 band equalizer */
729 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_radio_control[0], miro))) < 0)
730 			return err;
731 		for (idx = 0; idx < ARRAY_SIZE(snd_miro_eq_controls); idx++) {
732 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_miro_eq_controls[idx], miro))) < 0)
733 				return err;
734 		}
735 	}
736 
737 	return 0;
738 }
739 
740 static long snd_legacy_find_free_ioport(long *port_table, long size)
741 {
742 	while (*port_table != -1) {
743 		struct resource *res;
744 		if ((res = request_region(*port_table, size,
745 					  "ALSA test")) != NULL) {
746 			release_and_free_resource(res);
747 			return *port_table;
748 		}
749 		port_table++;
750 	}
751 	return -1;
752 }
753 
754 static int __init snd_miro_init(struct snd_miro *chip, unsigned short hardware)
755 {
756 	static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
757 
758 	chip->hardware = hardware;
759 	strcpy(chip->name, snd_opti9xx_names[hardware]);
760 
761 	chip->mc_base_size = opti9xx_mc_size[hardware];
762 
763 	spin_lock_init(&chip->lock);
764 
765 	chip->wss_base = -1;
766 	chip->irq = -1;
767 	chip->dma1 = -1;
768 	chip->dma2 = -1;
769 	chip->fm_port = -1;
770 	chip->mpu_port = -1;
771 	chip->mpu_irq = -1;
772 
773 	switch (hardware) {
774 	case OPTi9XX_HW_82C929:
775 		chip->mc_base = 0xf8c;
776 		chip->password = 0xe3;
777 		chip->pwd_reg = 3;
778 		break;
779 
780 	case OPTi9XX_HW_82C924:
781 		chip->mc_base = 0xf8c;
782 		chip->password = 0xe5;
783 		chip->pwd_reg = 3;
784 		break;
785 
786 	default:
787 		snd_printk(KERN_ERR "sorry, no support for %d\n", hardware);
788 		return -ENODEV;
789 	}
790 
791 	return 0;
792 }
793 
794 static unsigned char snd_miro_read(struct snd_miro *chip,
795 				   unsigned char reg)
796 {
797 	unsigned long flags;
798 	unsigned char retval = 0xff;
799 
800 	spin_lock_irqsave(&chip->lock, flags);
801 	outb(chip->password, chip->mc_base + chip->pwd_reg);
802 
803 	switch (chip->hardware) {
804 	case OPTi9XX_HW_82C924:
805 		if (reg > 7) {
806 			outb(reg, chip->mc_base + 8);
807 			outb(chip->password, chip->mc_base + chip->pwd_reg);
808 			retval = inb(chip->mc_base + 9);
809 			break;
810 		}
811 
812 	case OPTi9XX_HW_82C929:
813 		retval = inb(chip->mc_base + reg);
814 		break;
815 
816 	default:
817 		snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
818 	}
819 
820 	spin_unlock_irqrestore(&chip->lock, flags);
821 	return retval;
822 }
823 
824 static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
825 			   unsigned char value)
826 {
827 	unsigned long flags;
828 
829 	spin_lock_irqsave(&chip->lock, flags);
830 	outb(chip->password, chip->mc_base + chip->pwd_reg);
831 
832 	switch (chip->hardware) {
833 	case OPTi9XX_HW_82C924:
834 		if (reg > 7) {
835 			outb(reg, chip->mc_base + 8);
836 			outb(chip->password, chip->mc_base + chip->pwd_reg);
837 			outb(value, chip->mc_base + 9);
838 			break;
839 		}
840 
841 	case OPTi9XX_HW_82C929:
842 		outb(value, chip->mc_base + reg);
843 		break;
844 
845 	default:
846 		snd_printk(KERN_ERR "sorry, no support for %d\n", chip->hardware);
847 	}
848 
849 	spin_unlock_irqrestore(&chip->lock, flags);
850 }
851 
852 
853 #define snd_miro_write_mask(chip, reg, value, mask)	\
854 	snd_miro_write(chip, reg,			\
855 		(snd_miro_read(chip, reg) & ~(mask)) | ((value) & (mask)))
856 
857 /*
858  *  Proc Interface
859  */
860 
861 static void snd_miro_proc_read(struct snd_info_entry * entry,
862 			       struct snd_info_buffer *buffer)
863 {
864 	struct snd_miro *miro = (struct snd_miro *) entry->private_data;
865 	char* model = "unknown";
866 
867 	/* miroSOUND PCM1 pro, early PCM12 */
868 
869 	if ((miro->hardware == OPTi9XX_HW_82C929) &&
870 	    (miro->aci_vendor == 'm') &&
871 	    (miro->aci_product == 'A')) {
872 		switch(miro->aci_version) {
873 		case 3:
874 			model = "miroSOUND PCM1 pro";
875 			break;
876 		default:
877 			model = "miroSOUND PCM1 pro / (early) PCM12";
878 			break;
879 		}
880 	}
881 
882 	/* miroSOUND PCM12, PCM12 (Rev. E), PCM12 pnp */
883 
884 	if ((miro->hardware == OPTi9XX_HW_82C924) &&
885 	    (miro->aci_vendor == 'm') &&
886 	    (miro->aci_product == 'B')) {
887 		switch(miro->aci_version) {
888 		case 4:
889 			model = "miroSOUND PCM12";
890 			break;
891 		case 176:
892 			model = "miroSOUND PCM12 (Rev. E)";
893 			break;
894 		default:
895 			model = "miroSOUND PCM12 / PCM12 pnp";
896 			break;
897 		}
898 	}
899 
900 	/* miroSOUND PCM20 radio */
901 
902 	if ((miro->hardware == OPTi9XX_HW_82C924) &&
903 	    (miro->aci_vendor == 'm') &&
904 	    (miro->aci_product == 'C')) {
905 		switch(miro->aci_version) {
906 		case 7:
907 			model = "miroSOUND PCM20 radio (Rev. E)";
908 			break;
909 		default:
910 			model = "miroSOUND PCM20 radio";
911 			break;
912 		}
913 	}
914 
915 	snd_iprintf(buffer, "\nGeneral information:\n");
916 	snd_iprintf(buffer, "  model   : %s\n", model);
917 	snd_iprintf(buffer, "  opti    : %s\n", miro->name);
918 	snd_iprintf(buffer, "  codec   : %s\n", miro->pcm->name);
919 	snd_iprintf(buffer, "  port    : 0x%lx\n", miro->wss_base);
920 	snd_iprintf(buffer, "  irq     : %d\n", miro->irq);
921 	snd_iprintf(buffer, "  dma     : %d,%d\n\n", miro->dma1, miro->dma2);
922 
923 	snd_iprintf(buffer, "MPU-401:\n");
924 	snd_iprintf(buffer, "  port    : 0x%lx\n", miro->mpu_port);
925 	snd_iprintf(buffer, "  irq     : %d\n\n", miro->mpu_irq);
926 
927 	snd_iprintf(buffer, "ACI information:\n");
928 	snd_iprintf(buffer, "  vendor  : ");
929 	switch(miro->aci_vendor) {
930 	case 'm':
931 		snd_iprintf(buffer, "Miro\n");
932 		break;
933 	default:
934 		snd_iprintf(buffer, "unknown (0x%x)\n", miro->aci_vendor);
935 		break;
936 	}
937 
938 	snd_iprintf(buffer, "  product : ");
939 	switch(miro->aci_product) {
940 	case 'A':
941 		snd_iprintf(buffer, "miroSOUND PCM1 pro / (early) PCM12\n");
942 		break;
943 	case 'B':
944 		snd_iprintf(buffer, "miroSOUND PCM12\n");
945 		break;
946 	case 'C':
947 		snd_iprintf(buffer, "miroSOUND PCM20 radio\n");
948 		break;
949 	default:
950 		snd_iprintf(buffer, "unknown (0x%x)\n", miro->aci_product);
951 		break;
952 	}
953 
954 	snd_iprintf(buffer, "  firmware: %d (0x%x)\n",
955 		    miro->aci_version, miro->aci_version);
956 	snd_iprintf(buffer, "  port    : 0x%lx-0x%lx\n",
957 		    miro->aci_port, miro->aci_port+2);
958 	snd_iprintf(buffer, "  wss     : 0x%x\n", wss);
959 	snd_iprintf(buffer, "  ide     : 0x%x\n", ide);
960 	snd_iprintf(buffer, "  solomode: 0x%x\n", miro->aci_solomode);
961 	snd_iprintf(buffer, "  amp     : 0x%x\n", miro->aci_amp);
962 	snd_iprintf(buffer, "  preamp  : 0x%x\n", miro->aci_preamp);
963 }
964 
965 static void __init snd_miro_proc_init(struct snd_miro * miro)
966 {
967 	struct snd_info_entry *entry;
968 
969 	if (! snd_card_proc_new(miro->card, "miro", &entry))
970 		snd_info_set_text_ops(entry, miro, snd_miro_proc_read);
971 }
972 
973 /*
974  *  Init
975  */
976 
977 static int __init snd_miro_configure(struct snd_miro *chip)
978 {
979 	unsigned char wss_base_bits;
980 	unsigned char irq_bits;
981 	unsigned char dma_bits;
982 	unsigned char mpu_port_bits = 0;
983 	unsigned char mpu_irq_bits;
984 	unsigned long flags;
985 
986 	switch (chip->hardware) {
987 	case OPTi9XX_HW_82C924:
988 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
989 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
990 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
991 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
992 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
993 		break;
994 	case OPTi9XX_HW_82C929:
995 		/* untested init commands for OPTi929 */
996 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
997 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(2), 0x20, 0x20); /* OPL4 */
998 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(4), 0x00, 0x0c);
999 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
1000 		break;
1001 	default:
1002 		snd_printk(KERN_ERR "chip %d not supported\n", chip->hardware);
1003 		return -EINVAL;
1004 	}
1005 
1006 	switch (chip->wss_base) {
1007 	case 0x530:
1008 		wss_base_bits = 0x00;
1009 		break;
1010 	case 0x604:
1011 		wss_base_bits = 0x03;
1012 		break;
1013 	case 0xe80:
1014 		wss_base_bits = 0x01;
1015 		break;
1016 	case 0xf40:
1017 		wss_base_bits = 0x02;
1018 		break;
1019 	default:
1020 		snd_printk(KERN_ERR "WSS port 0x%lx not valid\n", chip->wss_base);
1021 		goto __skip_base;
1022 	}
1023 	snd_miro_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
1024 
1025 __skip_base:
1026 	switch (chip->irq) {
1027 	case 5:
1028 		irq_bits = 0x05;
1029 		break;
1030 	case 7:
1031 		irq_bits = 0x01;
1032 		break;
1033 	case 9:
1034 		irq_bits = 0x02;
1035 		break;
1036 	case 10:
1037 		irq_bits = 0x03;
1038 		break;
1039 	case 11:
1040 		irq_bits = 0x04;
1041 		break;
1042 	default:
1043 		snd_printk(KERN_ERR "WSS irq # %d not valid\n", chip->irq);
1044 		goto __skip_resources;
1045 	}
1046 
1047 	switch (chip->dma1) {
1048 	case 0:
1049 		dma_bits = 0x01;
1050 		break;
1051 	case 1:
1052 		dma_bits = 0x02;
1053 		break;
1054 	case 3:
1055 		dma_bits = 0x03;
1056 		break;
1057 	default:
1058 		snd_printk(KERN_ERR "WSS dma1 # %d not valid\n", chip->dma1);
1059 		goto __skip_resources;
1060 	}
1061 
1062 	if (chip->dma1 == chip->dma2) {
1063 		snd_printk(KERN_ERR "don't want to share dmas\n");
1064 		return -EBUSY;
1065 	}
1066 
1067 	switch (chip->dma2) {
1068 	case 0:
1069 	case 1:
1070 		break;
1071 	default:
1072 		snd_printk(KERN_ERR "WSS dma2 # %d not valid\n", chip->dma2);
1073 		goto __skip_resources;
1074 	}
1075 	dma_bits |= 0x04;
1076 
1077 	spin_lock_irqsave(&chip->lock, flags);
1078 	outb(irq_bits << 3 | dma_bits, chip->wss_base);
1079 	spin_unlock_irqrestore(&chip->lock, flags);
1080 
1081 __skip_resources:
1082 	if (chip->hardware > OPTi9XX_HW_82C928) {
1083 		switch (chip->mpu_port) {
1084 		case 0:
1085 		case -1:
1086 			break;
1087 		case 0x300:
1088 			mpu_port_bits = 0x03;
1089 			break;
1090 		case 0x310:
1091 			mpu_port_bits = 0x02;
1092 			break;
1093 		case 0x320:
1094 			mpu_port_bits = 0x01;
1095 			break;
1096 		case 0x330:
1097 			mpu_port_bits = 0x00;
1098 			break;
1099 		default:
1100 			snd_printk(KERN_ERR "MPU-401 port 0x%lx not valid\n",
1101 				   chip->mpu_port);
1102 			goto __skip_mpu;
1103 		}
1104 
1105 		switch (chip->mpu_irq) {
1106 		case 5:
1107 			mpu_irq_bits = 0x02;
1108 			break;
1109 		case 7:
1110 			mpu_irq_bits = 0x03;
1111 			break;
1112 		case 9:
1113 			mpu_irq_bits = 0x00;
1114 			break;
1115 		case 10:
1116 			mpu_irq_bits = 0x01;
1117 			break;
1118 		default:
1119 			snd_printk(KERN_ERR "MPU-401 irq # %d not valid\n",
1120 				   chip->mpu_irq);
1121 			goto __skip_mpu;
1122 		}
1123 
1124 		snd_miro_write_mask(chip, OPTi9XX_MC_REG(6),
1125 			(chip->mpu_port <= 0) ? 0x00 :
1126 				0x80 | mpu_port_bits << 5 | mpu_irq_bits << 3,
1127 			0xf8);
1128 	}
1129 __skip_mpu:
1130 
1131 	return 0;
1132 }
1133 
1134 static int __init snd_card_miro_detect(struct snd_card *card, struct snd_miro *chip)
1135 {
1136 	int i, err;
1137 	unsigned char value;
1138 
1139 	for (i = OPTi9XX_HW_82C929; i <= OPTi9XX_HW_82C924; i++) {
1140 
1141 		if ((err = snd_miro_init(chip, i)) < 0)
1142 			return err;
1143 
1144 		if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
1145 			continue;
1146 
1147 		value = snd_miro_read(chip, OPTi9XX_MC_REG(1));
1148 		if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
1149 			if (value == snd_miro_read(chip, OPTi9XX_MC_REG(1)))
1150 				return 1;
1151 
1152 		release_and_free_resource(chip->res_mc_base);
1153 		chip->res_mc_base = NULL;
1154 
1155 	}
1156 
1157 	return -ENODEV;
1158 }
1159 
1160 static int __init snd_card_miro_aci_detect(struct snd_card *card, struct snd_miro * miro)
1161 {
1162 	unsigned char regval;
1163 	int i;
1164 
1165 	mutex_init(&miro->aci_mutex);
1166 
1167 	/* get ACI port from OPTi9xx MC 4 */
1168 
1169 	miro->mc_base = 0xf8c;
1170 	regval=inb(miro->mc_base + 4);
1171 	miro->aci_port = (regval & 0x10) ? 0x344: 0x354;
1172 
1173 	if ((miro->res_aci_port = request_region(miro->aci_port, 3, "miro aci")) == NULL) {
1174 		snd_printk(KERN_ERR "aci i/o area 0x%lx-0x%lx already used.\n",
1175 			   miro->aci_port, miro->aci_port+2);
1176 		return -ENOMEM;
1177 	}
1178 
1179         /* force ACI into a known state */
1180 	for (i = 0; i < 3; i++)
1181 		if (aci_cmd(miro, ACI_ERROR_OP, -1, -1) < 0) {
1182 			snd_printk(KERN_ERR "can't force aci into known state.\n");
1183 			return -ENXIO;
1184 		}
1185 
1186 	if ((miro->aci_vendor=aci_cmd(miro, ACI_READ_IDCODE, -1, -1)) < 0 ||
1187 	    (miro->aci_product=aci_cmd(miro, ACI_READ_IDCODE, -1, -1)) < 0) {
1188 		snd_printk(KERN_ERR "can't read aci id on 0x%lx.\n", miro->aci_port);
1189 		return -ENXIO;
1190 	}
1191 
1192 	if ((miro->aci_version=aci_cmd(miro, ACI_READ_VERSION, -1, -1)) < 0) {
1193 		snd_printk(KERN_ERR "can't read aci version on 0x%lx.\n",
1194 			   miro->aci_port);
1195 		return -ENXIO;
1196 	}
1197 
1198 	if (aci_cmd(miro, ACI_INIT, -1, -1) < 0 ||
1199 	    aci_cmd(miro, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0 ||
1200 	    aci_cmd(miro, ACI_ERROR_OP, ACI_ERROR_OP, ACI_ERROR_OP) < 0) {
1201 		snd_printk(KERN_ERR "can't initialize aci.\n");
1202 		return -ENXIO;
1203 	}
1204 
1205 	return 0;
1206 }
1207 
1208 static void snd_card_miro_free(struct snd_card *card)
1209 {
1210 	struct snd_miro *miro = card->private_data;
1211 
1212 	release_and_free_resource(miro->res_aci_port);
1213 	release_and_free_resource(miro->res_mc_base);
1214 }
1215 
1216 static int __init snd_miro_probe(struct platform_device *devptr)
1217 {
1218 	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
1219 	static long possible_mpu_ports[] = {0x330, 0x300, 0x310, 0x320, -1};
1220 	static int possible_irqs[] = {11, 9, 10, 7, -1};
1221 	static int possible_mpu_irqs[] = {10, 5, 9, 7, -1};
1222 	static int possible_dma1s[] = {3, 1, 0, -1};
1223 	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
1224 
1225 	int error;
1226 	struct snd_miro *miro;
1227 	struct snd_cs4231 *codec;
1228 	struct snd_timer *timer;
1229 	struct snd_card *card;
1230 	struct snd_pcm *pcm;
1231 	struct snd_rawmidi *rmidi;
1232 
1233 	if (!(card = snd_card_new(index, id, THIS_MODULE,
1234 				  sizeof(struct snd_miro))))
1235 		return -ENOMEM;
1236 
1237 	card->private_free = snd_card_miro_free;
1238 	miro = card->private_data;
1239 	miro->card = card;
1240 
1241 	if ((error = snd_card_miro_aci_detect(card, miro)) < 0) {
1242 		snd_card_free(card);
1243 		snd_printk(KERN_ERR "unable to detect aci chip\n");
1244 		return -ENODEV;
1245 	}
1246 
1247 	/* init proc interface */
1248 	snd_miro_proc_init(miro);
1249 
1250 	if ((error = snd_card_miro_detect(card, miro)) < 0) {
1251 		snd_card_free(card);
1252 		snd_printk(KERN_ERR "unable to detect OPTi9xx chip\n");
1253 		return -ENODEV;
1254 	}
1255 
1256 	if (! miro->res_mc_base &&
1257 	    (miro->res_mc_base = request_region(miro->mc_base, miro->mc_base_size,
1258 						"miro (OPTi9xx MC)")) == NULL) {
1259 		snd_card_free(card);
1260 		snd_printk(KERN_ERR "request for OPTI9xx MC failed\n");
1261 		return -ENOMEM;
1262 	}
1263 
1264 	miro->wss_base = port;
1265 	miro->fm_port = fm_port;
1266 	miro->mpu_port = mpu_port;
1267 	miro->irq = irq;
1268 	miro->mpu_irq = mpu_irq;
1269 	miro->dma1 = dma1;
1270 	miro->dma2 = dma2;
1271 
1272 	if (miro->wss_base == SNDRV_AUTO_PORT) {
1273 		if ((miro->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) {
1274 			snd_card_free(card);
1275 			snd_printk(KERN_ERR "unable to find a free WSS port\n");
1276 			return -EBUSY;
1277 		}
1278 	}
1279 
1280 	if (miro->mpu_port == SNDRV_AUTO_PORT) {
1281 		if ((miro->mpu_port = snd_legacy_find_free_ioport(possible_mpu_ports, 2)) < 0) {
1282 			snd_card_free(card);
1283 			snd_printk(KERN_ERR "unable to find a free MPU401 port\n");
1284 			return -EBUSY;
1285 		}
1286 	}
1287 	if (miro->irq == SNDRV_AUTO_IRQ) {
1288 		if ((miro->irq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
1289 			snd_card_free(card);
1290 			snd_printk(KERN_ERR "unable to find a free IRQ\n");
1291 			return -EBUSY;
1292 		}
1293 	}
1294 	if (miro->mpu_irq == SNDRV_AUTO_IRQ) {
1295 		if ((miro->mpu_irq = snd_legacy_find_free_irq(possible_mpu_irqs)) < 0) {
1296 			snd_card_free(card);
1297 			snd_printk(KERN_ERR "unable to find a free MPU401 IRQ\n");
1298 			return -EBUSY;
1299 		}
1300 	}
1301 	if (miro->dma1 == SNDRV_AUTO_DMA) {
1302 		if ((miro->dma1 = snd_legacy_find_free_dma(possible_dma1s)) < 0) {
1303 			snd_card_free(card);
1304 			snd_printk(KERN_ERR "unable to find a free DMA1\n");
1305 			return -EBUSY;
1306 		}
1307 	}
1308 	if (miro->dma2 == SNDRV_AUTO_DMA) {
1309 		if ((miro->dma2 = snd_legacy_find_free_dma(possible_dma2s[miro->dma1 % 4])) < 0) {
1310 			snd_card_free(card);
1311 			snd_printk(KERN_ERR "unable to find a free DMA2\n");
1312 			return -EBUSY;
1313 		}
1314 	}
1315 
1316 	if ((error = snd_miro_configure(miro))) {
1317 		snd_card_free(card);
1318 		return error;
1319 	}
1320 
1321 	if ((error = snd_cs4231_create(card, miro->wss_base + 4, -1,
1322 				       miro->irq, miro->dma1, miro->dma2,
1323 				       CS4231_HW_AD1845,
1324 				       0,
1325 				       &codec)) < 0) {
1326 		snd_card_free(card);
1327 		return error;
1328 	}
1329 
1330 	if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) {
1331 		snd_card_free(card);
1332 		return error;
1333 	}
1334 	if ((error = snd_cs4231_mixer(codec)) < 0) {
1335 		snd_card_free(card);
1336 		return error;
1337 	}
1338 	if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) {
1339 		snd_card_free(card);
1340 		return error;
1341 	}
1342 
1343 	miro->pcm = pcm;
1344 
1345 	if ((error = snd_miro_mixer(miro)) < 0) {
1346 		snd_card_free(card);
1347 		return error;
1348 	}
1349 
1350 	if (miro->aci_vendor == 'm') {
1351 		/* It looks like a miro sound card. */
1352 		switch (miro->aci_product) {
1353 		case 'A':
1354 			sprintf(card->shortname,
1355 				"miroSOUND PCM1 pro / PCM12");
1356 			break;
1357 		case 'B':
1358 			sprintf(card->shortname,
1359 				"miroSOUND PCM12");
1360 			break;
1361 		case 'C':
1362 			sprintf(card->shortname,
1363 				"miroSOUND PCM20 radio");
1364 			break;
1365 		default:
1366 			sprintf(card->shortname,
1367 				"unknown miro");
1368 			snd_printk(KERN_INFO "unknown miro aci id\n");
1369 			break;
1370 		}
1371 	} else {
1372 		snd_printk(KERN_INFO "found unsupported aci card\n");
1373 		sprintf(card->shortname, "unknown Cardinal Technologies");
1374 	}
1375 
1376 	strcpy(card->driver, "miro");
1377 	sprintf(card->longname, "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
1378 		card->shortname, miro->name, pcm->name, miro->wss_base + 4,
1379 		miro->irq, miro->dma1, miro->dma2);
1380 
1381 	if (miro->mpu_port <= 0 || miro->mpu_port == SNDRV_AUTO_PORT)
1382 		rmidi = NULL;
1383 	else
1384 		if ((error = snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
1385 				miro->mpu_port, 0, miro->mpu_irq, SA_INTERRUPT,
1386 				&rmidi)))
1387 			snd_printk(KERN_WARNING "no MPU-401 device at 0x%lx?\n", miro->mpu_port);
1388 
1389 	if (miro->fm_port > 0 && miro->fm_port != SNDRV_AUTO_PORT) {
1390 		struct snd_opl3 *opl3 = NULL;
1391 		struct snd_opl4 *opl4;
1392 		if (snd_opl4_create(card, miro->fm_port, miro->fm_port - 8,
1393 				    2, &opl3, &opl4) < 0)
1394 			snd_printk(KERN_WARNING "no OPL4 device at 0x%lx\n", miro->fm_port);
1395 	}
1396 
1397 	if ((error = snd_set_aci_init_values(miro)) < 0) {
1398 		snd_card_free(card);
1399                 return error;
1400 	}
1401 
1402 	snd_card_set_dev(card, &devptr->dev);
1403 
1404 	if ((error = snd_card_register(card))) {
1405 		snd_card_free(card);
1406 		return error;
1407 	}
1408 
1409 	platform_set_drvdata(devptr, card);
1410 	return 0;
1411 }
1412 
1413 static int __devexit snd_miro_remove(struct platform_device *devptr)
1414 {
1415 	snd_card_free(platform_get_drvdata(devptr));
1416 	platform_set_drvdata(devptr, NULL);
1417 	return 0;
1418 }
1419 
1420 static struct platform_driver snd_miro_driver = {
1421 	.probe		= snd_miro_probe,
1422 	.remove		= __devexit_p(snd_miro_remove),
1423 	/* FIXME: suspend/resume */
1424 	.driver		= {
1425 		.name	= DRIVER_NAME
1426 	},
1427 };
1428 
1429 static int __init alsa_card_miro_init(void)
1430 {
1431 	int error;
1432 
1433 	if ((error = platform_driver_register(&snd_miro_driver)) < 0)
1434 		return error;
1435 	device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
1436 	if (! IS_ERR(device)) {
1437 		if (platform_get_drvdata(device))
1438 			return 0;
1439 		platform_device_unregister(device);
1440 	}
1441 #ifdef MODULE
1442 	printk(KERN_ERR "no miro soundcard found\n");
1443 #endif
1444 	platform_driver_unregister(&snd_miro_driver);
1445 	return PTR_ERR(device);
1446 }
1447 
1448 static void __exit alsa_card_miro_exit(void)
1449 {
1450 	platform_device_unregister(device);
1451 	platform_driver_unregister(&snd_miro_driver);
1452 }
1453 
1454 module_init(alsa_card_miro_init)
1455 module_exit(alsa_card_miro_exit)
1456