aboutsummaryrefslogblamecommitdiffstats
path: root/sound/isa/opl3sa2.c
blob: 75bd6eca63e741ed8545f86543a97884a8130eb7 (plain) (tree)
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578


















































































































































                                                                                                                               
                                                        
                            





                                                       






































































































































































































































































































































































































































                                                                                                                                

                                                       
 
                                        

                



                                                                      

                               


















                                                                               
                              














                                                                                                 



                                                                                                                         
                   
                         

                 
















                                                                                                 




















                                                     
                                                            

















































                                                                             






                                                                        






































































                                                                                                                 


                                            










                                                  


























                                                                           
                                  






                                                                                 






                                                 
                                                             







                                   
                                                                           










                                                                      

                                                       













                                                 
                                                                  


                                
                                                          



























                                                                                           
/*
 *  Driver for Yamaha OPL3-SA[2,3] soundcards
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pm.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/cs4231.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>

#include <asm/io.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Yamaha OPL3SA2+");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Yamaha,YMF719E-S},"
		"{Genius,Sound Maker 3DX},"
		"{Yamaha,OPL3SA3},"
		"{Intel,AL440LX sound},"
	        "{NeoMagic,MagicWave 3DX}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
#ifdef CONFIG_PNP
static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
#endif
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0xf86,0x370,0x100 */
static long sb_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* 0x530,0xe80,0xf40,0x604 */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x388 */
static long midi_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* 0x330,0x300 */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 0,1,3,5,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
static int opl3sa3_ymode[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 0 };   /* 0,1,2,3 */ /*SL Added*/

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for OPL3-SA soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for OPL3-SA soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable OPL3-SA soundcard.");
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
#endif
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for OPL3-SA driver.");
module_param_array(sb_port, long, NULL, 0444);
MODULE_PARM_DESC(sb_port, "SB port # for OPL3-SA driver.");
module_param_array(wss_port, long, NULL, 0444);
MODULE_PARM_DESC(wss_port, "WSS port # for OPL3-SA driver.");
module_param_array(fm_port, long, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for OPL3-SA driver.");
module_param_array(midi_port, long, NULL, 0444);
MODULE_PARM_DESC(midi_port, "MIDI port # for OPL3-SA driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for OPL3-SA driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for OPL3-SA driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for OPL3-SA driver.");
module_param_array(opl3sa3_ymode, int, NULL, 0444);
MODULE_PARM_DESC(opl3sa3_ymode, "Speaker size selection for 3D Enhancement mode: Desktop/Large Notebook/Small Notebook/HiFi.");

/* control ports */
#define OPL3SA2_PM_CTRL		0x01
#define OPL3SA2_SYS_CTRL		0x02
#define OPL3SA2_IRQ_CONFIG	0x03
#define OPL3SA2_IRQ_STATUS	0x04
#define OPL3SA2_DMA_CONFIG	0x06
#define OPL3SA2_MASTER_LEFT	0x07
#define OPL3SA2_MASTER_RIGHT	0x08
#define OPL3SA2_MIC		0x09
#define OPL3SA2_MISC		0x0A

/* opl3sa3 only */
#define OPL3SA3_DGTL_DOWN	0x12
#define OPL3SA3_ANLG_DOWN	0x13
#define OPL3SA3_WIDE		0x14
#define OPL3SA3_BASS		0x15
#define OPL3SA3_TREBLE		0x16

/* power management bits */
#define OPL3SA2_PM_ADOWN		0x20
#define OPL3SA2_PM_PSV		0x04		
#define OPL3SA2_PM_PDN		0x02
#define OPL3SA2_PM_PDX		0x01

#define OPL3SA2_PM_D0	0x00
#define OPL3SA2_PM_D3	(OPL3SA2_PM_ADOWN|OPL3SA2_PM_PSV|OPL3SA2_PM_PDN|OPL3SA2_PM_PDX)

typedef struct snd_opl3sa2 opl3sa2_t;

struct snd_opl3sa2 {
	snd_card_t *card;
	int version;		/* 2 or 3 */
	unsigned long port;	/* control port */
	struct resource *res_port; /* control port resource */
	int irq;
	int single_dma;
	spinlock_t reg_lock;
	snd_hwdep_t *synth;
	snd_rawmidi_t *rmidi;
	cs4231_t *cs4231;
#ifdef CONFIG_PNP
	struct pnp_dev *dev;
#endif
	unsigned char ctlregs[0x20];
	int ymode;		/* SL added */
	snd_kcontrol_t *master_switch;
	snd_kcontrol_t *master_volume;
#ifdef CONFIG_PM
	void (*cs4231_suspend)(cs4231_t *);
	void (*cs4231_resume)(cs4231_t *);
#endif
};

static snd_card_t *snd_opl3sa2_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;

#ifdef CONFIG_PNP

static struct pnp_device_id snd_opl3sa2_pnpbiosids[] = {
	{ .id = "YMH0021" },
	{ .id = "NMX2210" },	/* Gateway Solo 2500 */
	{ .id = "" }		/* end */
};

MODULE_DEVICE_TABLE(pnp, snd_opl3sa2_pnpbiosids);

static struct pnp_card_device_id snd_opl3sa2_pnpids[] = {
	/* Yamaha YMF719E-S (Genius Sound Maker 3DX) */
	{ .id = "YMH0020", .devs = { { "YMH0021" } } },
	/* Yamaha OPL3-SA3 (integrated on Intel's Pentium II AL440LX motherboard) */
	{ .id = "YMH0030", .devs = { { "YMH0021" } } },
	/* Yamaha OPL3-SA2 */
	{ .id = "YMH0800", .devs = { { "YMH0021" } } },
	/* Yamaha OPL3-SA2 */
	{ .id = "YMH0801", .devs = { { "YMH0021" } } },
	/* NeoMagic MagicWave 3DX */
	{ .id = "NMX2200", .devs = { { "YMH2210" } } },
	/* --- */
	{ .id = "" }	/* end */
};

MODULE_DEVICE_TABLE(pnp_card, snd_opl3sa2_pnpids);

#endif /* CONFIG_PNP */


/* read control port (w/o spinlock) */
static unsigned char __snd_opl3sa2_read(opl3sa2_t *chip, unsigned char reg)
{
	unsigned char result;
#if 0
	outb(0x1d, port);	/* password */
	printk("read [0x%lx] = 0x%x\n", port, inb(port));
#endif
	outb(reg, chip->port);	/* register */
	result = inb(chip->port + 1);
#if 0
	printk("read [0x%lx] = 0x%x [0x%x]\n", port, result, inb(port));
#endif
	return result;
}

/* read control port (with spinlock) */
static unsigned char snd_opl3sa2_read(opl3sa2_t *chip, unsigned char reg)
{
	unsigned long flags;
	unsigned char result;

	spin_lock_irqsave(&chip->reg_lock, flags);
	result = __snd_opl3sa2_read(chip, reg);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return result;
}

/* write control port (w/o spinlock) */
static void __snd_opl3sa2_write(opl3sa2_t *chip, unsigned char reg, unsigned char value)
{
#if 0
	outb(0x1d, port);	/* password */
#endif
	outb(reg, chip->port);	/* register */
	outb(value, chip->port + 1);
	chip->ctlregs[reg] = value;
}

/* write control port (with spinlock) */
static void snd_opl3sa2_write(opl3sa2_t *chip, unsigned char reg, unsigned char value)
{
	unsigned long flags;
	spin_lock_irqsave(&chip->reg_lock, flags);
	__snd_opl3sa2_write(chip, reg, value);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
}

static int __init snd_opl3sa2_detect(opl3sa2_t *chip)
{
	snd_card_t *card;
	unsigned long port;
	unsigned char tmp, tmp1;
	char str[2];

	card = chip->card;
	port = chip->port;
	if ((chip->res_port = request_region(port, 2, "OPL3-SA control")) == NULL) {
		snd_printk(KERN_ERR "opl3sa2: can't grab port 0x%lx\n", port);
		return -EBUSY;
	}
	// snd_printk("REG 0A = 0x%x\n", snd_opl3sa2_read(chip, 0x0a));
	chip->version = 0;
	tmp = snd_opl3sa2_read(chip, OPL3SA2_MISC);
	if (tmp == 0xff) {
		snd_printd("OPL3-SA [0x%lx] detect = 0x%x\n", port, tmp);
		return -ENODEV;
	}
	switch (tmp & 0x07) {
	case 0x01:
		chip->version = 2; /* YMF711 */
		break;
	default:
		chip->version = 3;
		/* 0x02 - standard */
		/* 0x03 - YM715B */
		/* 0x04 - YM719 - OPL-SA4? */
		/* 0x05 - OPL3-SA3 - Libretto 100 */
		break;
	}
	str[0] = chip->version + '0';
	str[1] = 0;
	strcat(card->shortname, str);
	snd_opl3sa2_write(chip, OPL3SA2_MISC, tmp ^ 7);
	if ((tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MISC)) != tmp) {
		snd_printd("OPL3-SA [0x%lx] detect (1) = 0x%x (0x%x)\n", port, tmp, tmp1);
		return -ENODEV;
	}
	/* try if the MIC register is accesible */
	tmp = snd_opl3sa2_read(chip, OPL3SA2_MIC);
	snd_opl3sa2_write(chip, OPL3SA2_MIC, 0x8a);
	if (((tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MIC)) & 0x9f) != 0x8a) {
		snd_printd("OPL3-SA [0x%lx] detect (2) = 0x%x (0x%x)\n", port, tmp, tmp1);
		return -ENODEV;
	}
	snd_opl3sa2_write(chip, OPL3SA2_MIC, 0x9f);
	/* initialization */
	/* Power Management - full on */
	snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D0);
	if (chip->version > 2) {
		/* ymode is bits 4&5 (of 0 to 7) on all but opl3sa2 versions */
		snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, (chip->ymode << 4));
	} else {
		/* default for opl3sa2 versions */
		snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, 0x00);
	}
	snd_opl3sa2_write(chip, OPL3SA2_IRQ_CONFIG, 0x0d);	/* Interrupt Channel Configuration - IRQ A = OPL3 + MPU + WSS */
	if (chip->single_dma) {
		snd_opl3sa2_write(chip, OPL3SA2_DMA_CONFIG, 0x03);	/* DMA Configuration - DMA A = WSS-R + WSS-P */
	} else {
		snd_opl3sa2_write(chip, OPL3SA2_DMA_CONFIG, 0x21);	/* DMA Configuration - DMA B = WSS-R, DMA A = WSS-P */
	}
	snd_opl3sa2_write(chip, OPL3SA2_MISC, 0x80 | (tmp & 7));	/* Miscellaneous - default */
	if (chip->version > 2) {
		snd_opl3sa2_write(chip, OPL3SA3_DGTL_DOWN, 0x00);	/* Digital Block Partial Power Down - default */
		snd_opl3sa2_write(chip, OPL3SA3_ANLG_DOWN, 0x00);	/* Analog Block Partial Power Down - default */
	}
	return 0;
}

static irqreturn_t snd_opl3sa2_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
	unsigned short status;
	opl3sa2_t *chip = dev_id;
	int handled = 0;

	if (chip == NULL || chip->card == NULL)
		return IRQ_NONE;

	status = snd_opl3sa2_read(chip, OPL3SA2_IRQ_STATUS);

	if (status & 0x20) {
		handled = 1;
		snd_opl3_interrupt(chip->synth);
	}

	if ((status & 0x10) && chip->rmidi != NULL) {
		handled = 1;
		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
	}

	if (status & 0x07) {	/* TI,CI,PI */
		handled = 1;
		snd_cs4231_interrupt(irq, chip->cs4231, regs);
	}

	if (status & 0x40) { /* hardware volume change */
		handled = 1;
		/* reading from Master Lch register at 0x07 clears this bit */
		snd_opl3sa2_read(chip, OPL3SA2_MASTER_RIGHT);
		snd_opl3sa2_read(chip, OPL3SA2_MASTER_LEFT);
		if (chip->master_switch && chip->master_volume) {
			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_switch->id);
			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_volume->id);
		}
	}
	return IRQ_RETVAL(handled);
}

#define OPL3SA2_SINGLE(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_opl3sa2_info_single, \
  .get = snd_opl3sa2_get_single, .put = snd_opl3sa2_put_single, \
  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }

static int snd_opl3sa2_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
	int mask = (kcontrol->private_value >> 16) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}

static int snd_opl3sa2_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	opl3sa2_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;

	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = (chip->ctlregs[reg] >> shift) & mask;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	if (invert)
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
	return 0;
}

static int snd_opl3sa2_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	opl3sa2_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	int change;
	unsigned short val, oval;
	
	val = (ucontrol->value.integer.value[0] & mask);
	if (invert)
		val = mask - val;
	val <<= shift;
	spin_lock_irqsave(&chip->reg_lock, flags);
	oval = chip->ctlregs[reg];
	val = (oval & ~(mask << shift)) | val;
	change = val != oval;
	__snd_opl3sa2_write(chip, reg, val);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

#define OPL3SA2_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_opl3sa2_info_double, \
  .get = snd_opl3sa2_get_double, .put = snd_opl3sa2_put_double, \
  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }

static int snd_opl3sa2_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
	int mask = (kcontrol->private_value >> 24) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}

static int snd_opl3sa2_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	opl3sa2_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = (chip->ctlregs[left_reg] >> shift_left) & mask;
	ucontrol->value.integer.value[1] = (chip->ctlregs[right_reg] >> shift_right) & mask;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	if (invert) {
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
	}
	return 0;
}

static int snd_opl3sa2_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
	opl3sa2_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	unsigned short val1, val2, oval1, oval2;
	
	val1 = ucontrol->value.integer.value[0] & mask;
	val2 = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		val1 = mask - val1;
		val2 = mask - val2;
	}
	val1 <<= shift_left;
	val2 <<= shift_right;
	spin_lock_irqsave(&chip->reg_lock, flags);
	if (left_reg != right_reg) {
		oval1 = chip->ctlregs[left_reg];
		oval2 = chip->ctlregs[right_reg];
		val1 = (oval1 & ~(mask << shift_left)) | val1;
		val2 = (oval2 & ~(mask << shift_right)) | val2;
		change = val1 != oval1 || val2 != oval2;
		__snd_opl3sa2_write(chip, left_reg, val1);
		__snd_opl3sa2_write(chip, right_reg, val2);
	} else {
		oval1 = chip->ctlregs[left_reg];
		val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
		change = val1 != oval1;
		__snd_opl3sa2_write(chip, left_reg, val1);
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

static snd_kcontrol_new_t snd_opl3sa2_controls[] = {
OPL3SA2_DOUBLE("Master Playback Switch", 0, 0x07, 0x08, 7, 7, 1, 1),
OPL3SA2_DOUBLE("Master Playback Volume", 0, 0x07, 0x08, 0, 0, 15, 1),
OPL3SA2_SINGLE("Mic Playback Switch", 0, 0x09, 7, 1, 1),
OPL3SA2_SINGLE("Mic Playback Volume", 0, 0x09, 0, 31, 1)
};

static snd_kcontrol_new_t snd_opl3sa2_tone_controls[] = {
OPL3SA2_DOUBLE("3D Control - Wide", 0, 0x14, 0x14, 4, 0, 7, 0),
OPL3SA2_DOUBLE("Tone Control - Bass", 0, 0x15, 0x15, 4, 0, 7, 0),
OPL3SA2_DOUBLE("Tone Control - Treble", 0, 0x16, 0x16, 4, 0, 7, 0)
};

static void snd_opl3sa2_master_free(snd_kcontrol_t *kcontrol)
{
	opl3sa2_t *chip = snd_kcontrol_chip(kcontrol);
	chip->master_switch = NULL;
	chip->master_volume = NULL;
}

static int __init snd_opl3sa2_mixer(opl3sa2_t *chip)
{
	snd_card_t *card = chip->card;
	snd_ctl_elem_id_t id1, id2;
	snd_kcontrol_t *kctl;
	unsigned int idx;
	int err;

	memset(&id1, 0, sizeof(id1));
	memset(&id2, 0, sizeof(id2));
	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	/* reassign AUX0 to CD */
        strcpy(id1.name, "Aux Playback Switch");
        strcpy(id2.name, "CD Playback Switch");
        if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
                return err;
        strcpy(id1.name, "Aux Playback Volume");
        strcpy(id2.name, "CD Playback Volume");
        if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
                return err;
	/* reassign AUX1 to FM */
        strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
        strcpy(id2.name, "FM Playback Switch");
        if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
                return err;
        strcpy(id1.name, "Aux Playback Volume");
        strcpy(id2.name, "FM Playback Volume");
        if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
                return err;
	/* add OPL3SA2 controls */
	for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_controls); idx++) {
		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_opl3sa2_controls[idx], chip))) < 0)
			return err;
		switch (idx) {
		case 0: chip->master_switch = kctl; kctl->private_free = snd_opl3sa2_master_free; break;
		case 1: chip->master_volume = kctl; kctl->private_free = snd_opl3sa2_master_free; break;
		}
	}
	if (chip->version > 2) {
		for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_tone_controls); idx++)
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opl3sa2_tone_controls[idx], chip))) < 0)
				return err;
	}
	return 0;
}

/* Power Management support functions */
#ifdef CONFIG_PM
static int snd_opl3sa2_suspend(snd_card_t *card, pm_message_t state)
{
	opl3sa2_t *chip = card->pm_private_data;

	snd_pcm_suspend_all(chip->cs4231->pcm); /* stop before saving regs */
	chip->cs4231_suspend(chip->cs4231);

	/* power down */
	snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D3);

	return 0;
}

static int snd_opl3sa2_resume(snd_card_t *card)
{
	opl3sa2_t *chip = card->pm_private_data;
	int i;

	/* power up */
	snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D0);

	/* restore registers */
	for (i = 2; i <= 0x0a; i++) {
		if (i != OPL3SA2_IRQ_STATUS)
			snd_opl3sa2_write(chip, i, chip->ctlregs[i]);
	}
	if (chip->version > 2) {
		for (i = 0x12; i <= 0x16; i++)
			snd_opl3sa2_write(chip, i, chip->ctlregs[i]);
	}
	/* restore cs4231 */
	chip->cs4231_resume(chip->cs4231);

	return 0;
}
#endif /* CONFIG_PM */

#ifdef CONFIG_PNP
static int __init snd_opl3sa2_pnp(int dev, opl3sa2_t *chip,
				  struct pnp_dev *pdev,
				  int isapnp)
{
	struct pnp_resource_table * cfg;
	int err;

	if (!isapnp && pnp_device_is_isapnp(pdev))
		return -ENOENT;	/* we have another procedure - card */

	cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
	if (!cfg)
		return -ENOMEM;
	/* PnP initialization */
	pnp_init_resource_table(cfg);
	if (sb_port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[0], sb_port[dev], 16);
	if (wss_port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[1], wss_port[dev], 8);
	if (fm_port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[2], fm_port[dev], 4);
	if (midi_port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[3], midi_port[dev], 2);
	if (port[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[4], port[dev], 2);
	if (dma1[dev] != SNDRV_AUTO_DMA)
		pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
	if (dma2[dev] != SNDRV_AUTO_DMA)
		pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
	if (irq[dev] != SNDRV_AUTO_IRQ)
		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
	err = pnp_manual_config_dev(pdev, cfg, 0);
	if (err < 0 && isapnp)
		snd_printk(KERN_ERR "PnP manual resources are invalid, using auto config\n");
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		kfree(cfg);
		snd_printk(KERN_ERR "PnP configure failure (out of resources?) err = %d\n", err);
		return -EBUSY;
	}
	sb_port[dev] = pnp_port_start(pdev, 0);
	wss_port[dev] = pnp_port_start(pdev, 1);
	fm_port[dev] = pnp_port_start(pdev, 2);
	midi_port[dev] = pnp_port_start(pdev, 3);
	port[dev] = pnp_port_start(pdev, 4);
	dma1[dev] = pnp_dma(pdev, 0);
	dma2[dev] = pnp_dma(pdev, 1);
	irq[dev] = pnp_irq(pdev, 0);
	snd_printdd("%sPnP OPL3-SA: sb port=0x%lx, wss port=0x%lx, fm port=0x%lx, midi port=0x%lx\n",
		pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", sb_port[dev], wss_port[dev], fm_port[dev], midi_port[dev]);
	snd_printdd("%sPnP OPL3-SA: control port=0x%lx, dma1=%i, dma2=%i, irq=%i\n",
		pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", port[dev], dma1[dev], dma2[dev], irq[dev]);
	kfree(cfg);
	chip->dev = pdev;
	return 0;
}

static int __init snd_opl3sa2_cpnp(int dev, opl3sa2_t *chip,
				   struct pnp_card_link *card,
				   const struct pnp_card_device_id *id)
{
	struct pnp_dev *pdev;
	struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);

	if (!cfg)
		return -ENOMEM;
	pdev = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (pdev == NULL) {
		kfree(cfg);
		return -EBUSY;
	}
	return snd_opl3sa2_pnp(dev, chip, pdev, 1);
}
#endif /* CONFIG_PNP */

static int snd_opl3sa2_free(opl3sa2_t *chip)
{
	if (chip->irq >= 0)
		free_irq(chip->irq, (void *)chip);
	if (chip->res_port) {
		release_resource(chip->res_port);
		kfree_nocheck(chip->res_port);
	}
	kfree(chip);
	return 0;
}

static int snd_opl3sa2_dev_free(snd_device_t *device)
{
	opl3sa2_t *chip = device->device_data;
	return snd_opl3sa2_free(chip);
}

static int __devinit snd_opl3sa2_probe(int dev,
				       struct pnp_dev *pdev,
				       struct pnp_card_link *pcard,
				       const struct pnp_card_device_id *pid)
{
	int xirq, xdma1, xdma2;
	snd_card_t *card;
	struct snd_opl3sa2 *chip;
	cs4231_t *cs4231;
	opl3_t *opl3;
	static snd_device_ops_t ops = {
		.dev_free =	snd_opl3sa2_dev_free,
	};
	int err;

#ifdef CONFIG_PNP
	if (!isapnp[dev]) {
#endif
		if (port[dev] == SNDRV_AUTO_PORT) {
			snd_printk("specify port\n");
			return -EINVAL;
		}
		if (wss_port[dev] == SNDRV_AUTO_PORT) {
			snd_printk("specify wss_port\n");
			return -EINVAL;
		}
		if (fm_port[dev] == SNDRV_AUTO_PORT) {
			snd_printk("specify fm_port\n");
			return -EINVAL;
		}
		if (midi_port[dev] == SNDRV_AUTO_PORT) {
			snd_printk("specify midi_port\n");
			return -EINVAL;
		}
#ifdef CONFIG_PNP
	}
#endif
	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	if (card == NULL)
		return -ENOMEM;
	strcpy(card->driver, "OPL3SA2");
	strcpy(card->shortname, "Yamaha OPL3-SA2");
	chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
	if (chip == NULL) {
		err = -ENOMEM;
		goto __error;
	}
	spin_lock_init(&chip->reg_lock);
	chip->irq = -1;
	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
		goto __error;
#ifdef CONFIG_PNP
	if (pdev) {
		if ((err = snd_opl3sa2_pnp(dev, chip, pdev, 0)) < 0)
			goto __error;
		snd_card_set_dev(card, &pdev->dev);
	}
	if (pcard) {
		if ((err = snd_opl3sa2_cpnp(dev, chip, pcard, pid)) < 0)
			goto __error;
		snd_card_set_dev(card, &pcard->card->dev);
	}
#endif
	chip->ymode = opl3sa3_ymode[dev] & 0x03 ; /* initialise this card from supplied (or default) parameter*/ 
	chip->card = card;
	chip->port = port[dev];
	xirq = irq[dev];
	xdma1 = dma1[dev];
	xdma2 = dma2[dev];
	if (xdma2 < 0)
		chip->single_dma = 1;
	if ((err = snd_opl3sa2_detect(chip)) < 0)
		goto __error;
	if (request_irq(xirq, snd_opl3sa2_interrupt, SA_INTERRUPT, "OPL3-SA2", (void *)chip)) {
		snd_printk(KERN_ERR "opl3sa2: can't grab IRQ %d\n", xirq);
		err = -ENODEV;
		goto __error;
	}
	chip->irq = xirq;
	if ((err = snd_cs4231_create(card,
				     wss_port[dev] + 4, -1,
				     xirq, xdma1, xdma2,
				     CS4231_HW_OPL3SA2,
				     CS4231_HWSHARE_IRQ,
				     &cs4231)) < 0) {
		snd_printd("Oops, WSS not detected at 0x%lx\n", wss_port[dev] + 4);
		goto __error;
	}
	chip->cs4231 = cs4231;
	if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
		goto __error;
	if ((err = snd_cs4231_mixer(cs4231)) < 0)
		goto __error;
	if ((err = snd_opl3sa2_mixer(chip)) < 0)
		goto __error;
	if ((err = snd_cs4231_timer(cs4231, 0, NULL)) < 0)
		goto __error;
	if (fm_port[dev] >= 0x340 && fm_port[dev] < 0x400) {
		if ((err = snd_opl3_create(card, fm_port[dev],
					   fm_port[dev] + 2,
					   OPL3_HW_OPL3, 0, &opl3)) < 0)
			goto __error;
		if ((err = snd_opl3_timer_new(opl3, 1, 2)) < 0)
			goto __error;
		if ((err = snd_opl3_hwdep_new(opl3, 0, 1, &chip->synth)) < 0)
			goto __error;
	}
	if (midi_port[dev] >= 0x300 && midi_port[dev] < 0x340) {
		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_OPL3SA2,
					       midi_port[dev], 0,
					       xirq, 0, &chip->rmidi)) < 0)
			goto __error;
	}
#ifdef CONFIG_PM
	chip->cs4231_suspend = chip->cs4231->suspend;
	chip->cs4231_resume = chip->cs4231->resume;
	/* now clear callbacks for cs4231 */
	chip->cs4231->suspend = NULL;
	chip->cs4231->resume = NULL;
	snd_card_set_isa_pm_callback(card, snd_opl3sa2_suspend, snd_opl3sa2_resume, chip);
#endif

	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
		card->shortname, chip->port, xirq, xdma1);
	if (dma2 >= 0)
		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);

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

	if (pdev)
		pnp_set_drvdata(pdev, card);
	else if (pcard)
		pnp_set_card_drvdata(pcard, card);
	else
		snd_opl3sa2_legacy[dev] = card;
	return 0;

 __error:
	snd_card_free(card);
	return err;
}

#ifdef CONFIG_PNP
static int __devinit snd_opl3sa2_pnp_detect(struct pnp_dev *pdev,
					    const struct pnp_device_id *id)
{
        static int dev;
        int res;

        for ( ; dev < SNDRV_CARDS; dev++) {
                if (!enable[dev] || !isapnp[dev])
                        continue;
                res = snd_opl3sa2_probe(dev, pdev, NULL, NULL);
                if (res < 0)
                        return res;
                dev++;
                return 0;
        }
        return -ENODEV;
}

static void __devexit snd_opl3sa2_pnp_remove(struct pnp_dev * pdev)
{
	snd_card_t *card = (snd_card_t *) pnp_get_drvdata(pdev);
        
	snd_card_disconnect(card);
	snd_card_free_in_thread(card);
}

static struct pnp_driver opl3sa2_pnp_driver = {
	.name = "opl3sa2-pnpbios",
	.id_table = snd_opl3sa2_pnpbiosids,
	.probe = snd_opl3sa2_pnp_detect,
	.remove = __devexit_p(snd_opl3sa2_pnp_remove),
};

static int __devinit snd_opl3sa2_pnp_cdetect(struct pnp_card_link *card,
					     const struct pnp_card_device_id *id)
{
        static int dev;
        int res;

        for ( ; dev < SNDRV_CARDS; dev++) {
                if (!enable[dev] || !isapnp[dev])
                        continue;
                res = snd_opl3sa2_probe(dev, NULL, card, id);
                if (res < 0)
                        return res;
                dev++;
                return 0;
        }
        return -ENODEV;
}

static void __devexit snd_opl3sa2_pnp_cremove(struct pnp_card_link * pcard)
{
	snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
        
	snd_card_disconnect(card);
	snd_card_free_in_thread(card);
}

static struct pnp_card_driver opl3sa2_pnpc_driver = {
	.flags = PNP_DRIVER_RES_DISABLE,
	.name = "opl3sa2",
	.id_table = snd_opl3sa2_pnpids,
	.probe = snd_opl3sa2_pnp_cdetect,
	.remove = __devexit_p(snd_opl3sa2_pnp_cremove),
};
#endif /* CONFIG_PNP */

static int __init alsa_card_opl3sa2_init(void)
{
	int dev, cards = 0;

	for (dev = 0; dev < SNDRV_CARDS; dev++) {
		if (!enable[dev])
			continue;
#ifdef CONFIG_PNP
		if (isapnp[dev])
			continue;
#endif
		if (snd_opl3sa2_probe(dev, NULL, NULL, NULL) >= 0)
			cards++;
	}
#ifdef CONFIG_PNP
	cards += pnp_register_driver(&opl3sa2_pnp_driver);
	cards += pnp_register_card_driver(&opl3sa2_pnpc_driver);
#endif
	if (!cards) {
#ifdef MODULE
		snd_printk(KERN_ERR "Yamaha OPL3-SA soundcard not found or device busy\n");
#endif
#ifdef CONFIG_PNP
		pnp_unregister_card_driver(&opl3sa2_pnpc_driver);
#endif
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_opl3sa2_exit(void)
{
	int idx;

#ifdef CONFIG_PNP
	/* PnP cards first */
	pnp_unregister_card_driver(&opl3sa2_pnpc_driver);
#endif
	for (idx = 0; idx < SNDRV_CARDS; idx++)
		snd_card_free(snd_opl3sa2_legacy[idx]);
}

module_init(alsa_card_opl3sa2_init)
module_exit(alsa_card_opl3sa2_exit)