aboutsummaryrefslogtreecommitdiff
path: root/sound/isa/gus/interwave.c
blob: f12cd09d1fccb0b3ed9fdc5291283b3413636fc3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
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
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
/*
 *  Driver for AMD InterWave soundcard
 *  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
 *
 *   1999/07/22		Erik Inge Bolso <knan@mo.himolde.no>
 *			* mixer group handlers
 *
 */

#include <sound/driver.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include <linux/moduleparam.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/gus.h>
#include <sound/cs4231.h>
#ifdef SNDRV_STB
#include <sound/tea6330t.h>
#endif
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_LICENSE("GPL");
#ifndef SNDRV_STB
MODULE_DESCRIPTION("AMD InterWave");
MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Plug & Play},"
		"{STB,SoundRage32},"
		"{MED,MED3210},"
		"{Dynasonix,Dynasonix Pro},"
		"{Panasonic,PCA761AW}}");
#else
MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
MODULE_SUPPORTED_DEVICE("{{AMD,InterWave STB with TEA6330T}}");
#endif

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;	/* 0x210,0x220,0x230,0x240,0x250,0x260 */
#ifdef SNDRV_STB
static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x350,0x360,0x370,0x380 */
#endif
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
static int midi[SNDRV_CARDS];
static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
static int effect[SNDRV_CARDS];

#ifdef SNDRV_STB
#define PFX "interwave-stb: "
#define INTERWAVE_DRIVER	"snd_interwave_stb"
#define INTERWAVE_PNP_DRIVER	"interwave-stb"
#else
#define PFX "interwave: "
#define INTERWAVE_DRIVER	"snd_interwave"
#define INTERWAVE_PNP_DRIVER	"interwave"
#endif

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
#endif
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for InterWave driver.");
#ifdef SNDRV_STB
module_param_array(port_tc, long, NULL, 0444);
MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
#endif
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
module_param_array(joystick_dac, int, NULL, 0444);
MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
module_param_array(midi, int, NULL, 0444);
MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
module_param_array(effect, int, NULL, 0444);
MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");

static struct platform_device *platform_devices[SNDRV_CARDS];
static int pnp_registered;

struct snd_interwave {
	int irq;
	struct snd_card *card;
	struct snd_gus_card *gus;
	struct snd_cs4231 *cs4231;
#ifdef SNDRV_STB
	struct resource *i2c_res;
#endif
	unsigned short gus_status_reg;
	unsigned short pcm_status_reg;
#ifdef CONFIG_PNP
	struct pnp_dev *dev;
#ifdef SNDRV_STB
	struct pnp_dev *devtc;
#endif
#endif
};


#ifdef CONFIG_PNP

static struct pnp_card_device_id snd_interwave_pnpids[] = {
#ifndef SNDRV_STB
	/* Gravis UltraSound Plug & Play */
	{ .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
	/* STB SoundRage32 */
	{ .id = "STB011a", .devs = { { .id = "STB0010" } } },
	/* MED3210 */
	{ .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
	/* Dynasonic Pro */
	/* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
	{ .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
	/* Panasonic PCA761AW Audio Card */
	{ .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
	/* InterWave STB without TEA6330T */
	{ .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
#else
	/* InterWave STB with TEA6330T */
	{ .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
#endif
	{ .id = "" }
};

MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);

#endif /* CONFIG_PNP */


#ifdef SNDRV_STB
static void snd_interwave_i2c_setlines(struct snd_i2c_bus *bus, int ctrl, int data)
{
	unsigned long port = bus->private_value;

#if 0
	printk("i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
#endif
	outb((data << 1) | ctrl, port);
	udelay(10);
}

static int snd_interwave_i2c_getclockline(struct snd_i2c_bus *bus)
{
	unsigned long port = bus->private_value;
	unsigned char res;

	res = inb(port) & 1;
#if 0
	printk("i2c_getclockline - 0x%lx -> %i\n", port, res);
#endif
	return res;
}

static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
{
	unsigned long port = bus->private_value;
	unsigned char res;

	if (ack)
		udelay(10);
	res = (inb(port) & 2) >> 1;
#if 0
	printk("i2c_getdataline - 0x%lx -> %i\n", port, res);
#endif
	return res;
}

static struct snd_i2c_bit_ops snd_interwave_i2c_bit_ops = {
	.setlines = snd_interwave_i2c_setlines,
	.getclock = snd_interwave_i2c_getclockline,
	.getdata  = snd_interwave_i2c_getdataline,
};

static int __devinit snd_interwave_detect_stb(struct snd_interwave *iwcard,
					      struct snd_gus_card * gus, int dev,
					      struct snd_i2c_bus **rbus)
{
	unsigned long port;
	struct snd_i2c_bus *bus;
	struct snd_card *card = iwcard->card;
	char name[32];
	int err;

	*rbus = NULL;
	port = port_tc[dev];
	if (port == SNDRV_AUTO_PORT) {
		port = 0x350;
		if (gus->gf1.port == 0x250) {
			port = 0x360;
		}
		while (port <= 0x380) {
			if ((iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)")) != NULL)
				break;
			port += 0x10;
		}
	} else {
		iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
	}
	if (iwcard->i2c_res == NULL) {
		snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
		return -ENODEV;
	}

	sprintf(name, "InterWave-%i", card->number);
	if ((err = snd_i2c_bus_create(card, name, NULL, &bus)) < 0)
		return err;
	bus->private_value = port;
	bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
	if ((err = snd_tea6330t_detect(bus, 0)) < 0)
		return err;
	*rbus = bus;
	return 0;
}
#endif

static int __devinit snd_interwave_detect(struct snd_interwave *iwcard,
				          struct snd_gus_card * gus,
				          int dev
#ifdef SNDRV_STB
				          , struct snd_i2c_bus **rbus
#endif
				          )
{
	unsigned long flags;
	unsigned char rev1, rev2;
	int d;

	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
		return -ENODEV;
	}
	udelay(160);
	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
	udelay(160);
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
		return -ENODEV;
	}
	spin_lock_irqsave(&gus->reg_lock, flags);
	rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
	rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
	spin_unlock_irqrestore(&gus->reg_lock, flags);
	snd_printdd("[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n", gus->gf1.port, rev1, rev2);
	if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
	    (rev1 & 0x0f) != (rev2 & 0x0f)) {
		snd_printdd("[0x%lx] InterWave check - passed\n", gus->gf1.port);
		gus->interwave = 1;
		strcpy(gus->card->shortname, "AMD InterWave");
		gus->revision = rev1 >> 4;
#ifndef SNDRV_STB
		return 0;	/* ok.. We have an InterWave board */
#else
		return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
#endif
	}
	snd_printdd("[0x%lx] InterWave check - failed\n", gus->gf1.port);
	return -ENODEV;
}

static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id)
{
	struct snd_interwave *iwcard = dev_id;
	int loop, max = 5;
	int handled = 0;

	do {
		loop = 0;
		if (inb(iwcard->gus_status_reg)) {
			handled = 1;
			snd_gus_interrupt(irq, iwcard->gus);
			loop++;
		}
		if (inb(iwcard->pcm_status_reg) & 0x01) {	/* IRQ bit is set? */
			handled = 1;
			snd_cs4231_interrupt(irq, iwcard->cs4231);
			loop++;
		}
	} while (loop && --max > 0);
	return IRQ_RETVAL(handled);
}

static void __devinit snd_interwave_reset(struct snd_gus_card * gus)
{
	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
	udelay(160);
	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
	udelay(160);
}

static void __devinit snd_interwave_bank_sizes(struct snd_gus_card * gus, int *sizes)
{
	unsigned int idx;
	unsigned int local;
	unsigned char d;

	for (idx = 0; idx < 4; idx++) {
		sizes[idx] = 0;
		d = 0x55;
		for (local = idx << 22;
		     local < (idx << 22) + 0x400000;
		     local += 0x40000, d++) {
			snd_gf1_poke(gus, local, d);
			snd_gf1_poke(gus, local + 1, d + 1);
#if 0
			printk("d = 0x%x, local = 0x%x, local + 1 = 0x%x, idx << 22 = 0x%x\n",
			       d,
			       snd_gf1_peek(gus, local),
			       snd_gf1_peek(gus, local + 1),
			       snd_gf1_peek(gus, idx << 22));
#endif
			if (snd_gf1_peek(gus, local) != d ||
			    snd_gf1_peek(gus, local + 1) != d + 1 ||
			    snd_gf1_peek(gus, idx << 22) != 0x55)
				break;
			sizes[idx]++;
		}
	}
#if 0
	printk("sizes: %i %i %i %i\n", sizes[0], sizes[1], sizes[2], sizes[3]);
#endif
}

struct rom_hdr {
	/* 000 */ unsigned char iwave[8];
	/* 008 */ unsigned char rom_hdr_revision;
	/* 009 */ unsigned char series_number;
	/* 010 */ unsigned char series_name[16];
	/* 026 */ unsigned char date[10];
	/* 036 */ unsigned short vendor_revision_major;
	/* 038 */ unsigned short vendor_revision_minor;
	/* 040 */ unsigned int rom_size;
	/* 044 */ unsigned char copyright[128];
	/* 172 */ unsigned char vendor_name[64];
	/* 236 */ unsigned char rom_description[128];
	/* 364 */ unsigned char pad[147];
	/* 511 */ unsigned char csum;
};

static void __devinit snd_interwave_detect_memory(struct snd_gus_card * gus)
{
	static unsigned int lmc[13] =
	{
		0x00000001, 0x00000101, 0x01010101, 0x00000401,
		0x04040401, 0x00040101, 0x04040101, 0x00000004,
		0x00000404, 0x04040404, 0x00000010, 0x00001010,
		0x10101010
	};

	int bank_pos, pages;
	unsigned int i, lmct;
	int psizes[4];
	unsigned char iwave[8];
	unsigned char csum;

	snd_interwave_reset(gus);
	snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);		/* enhanced mode */
	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);	/* DRAM I/O cycles selected */
	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
	/* ok.. simple test of memory size */
	pages = 0;
	snd_gf1_poke(gus, 0, 0x55);
	snd_gf1_poke(gus, 1, 0xaa);
#if 1
	if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
#else
	if (0)			/* ok.. for testing of 0k RAM */
#endif
	{
		snd_interwave_bank_sizes(gus, psizes);
		lmct = (psizes[3] << 24) | (psizes[2] << 16) |
		    (psizes[1] << 8) | psizes[0];
#if 0
		printk("lmct = 0x%08x\n", lmct);
#endif
		for (i = 0; i < ARRAY_SIZE(lmc); i++)
			if (lmct == lmc[i]) {
#if 0
				printk("found !!! %i\n", i);
#endif
				snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | i);
				snd_interwave_bank_sizes(gus, psizes);
				break;
			}
		if (i >= ARRAY_SIZE(lmc) && !gus->gf1.enh_mode)
			 snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | 2);
		for (i = 0; i < 4; i++) {
			gus->gf1.mem_alloc.banks_8[i].address =
			    gus->gf1.mem_alloc.banks_16[i].address = i << 22;
			gus->gf1.mem_alloc.banks_8[i].size =
			    gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
			pages += psizes[i];
		}
	}
	pages <<= 18;
	gus->gf1.memory = pages;

	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03);	/* select ROM */
	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
	gus->gf1.rom_banks = 0;
	gus->gf1.rom_memory = 0;
	for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
		for (i = 0; i < 8; ++i)
			iwave[i] = snd_gf1_peek(gus, bank_pos + i);
#ifdef CONFIG_SND_DEBUG_ROM
		printk(KERN_DEBUG "ROM at 0x%06x = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", bank_pos,
		       iwave[0], iwave[1], iwave[2], iwave[3],
		       iwave[4], iwave[5], iwave[6], iwave[7]);
#endif
		if (strncmp(iwave, "INTRWAVE", 8))
			continue;	/* first check */
		csum = 0;
		for (i = 0; i < sizeof(struct rom_hdr); i++)
			csum += snd_gf1_peek(gus, bank_pos + i);
#ifdef CONFIG_SND_DEBUG_ROM
		printk(KERN_DEBUG "ROM checksum = 0x%x (computed)\n", csum);
#endif
		if (csum != 0)
			continue;	/* not valid rom */
		gus->gf1.rom_banks++;
		gus->gf1.rom_present |= 1 << (bank_pos >> 22);
		gus->gf1.rom_memory = snd_gf1_peek(gus, bank_pos + 40) |
				     (snd_gf1_peek(gus, bank_pos + 41) << 8) |
				     (snd_gf1_peek(gus, bank_pos + 42) << 16) |
				     (snd_gf1_peek(gus, bank_pos + 43) << 24);
	}
#if 0
	if (gus->gf1.rom_memory > 0) {
		if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
			gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
	}
#endif
	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00);	/* select RAM */

	if (!gus->gf1.enh_mode)
		snd_interwave_reset(gus);
}

static void __devinit snd_interwave_init(int dev, struct snd_gus_card * gus)
{
	unsigned long flags;

	/* ok.. some InterWave specific initialization */
	spin_lock_irqsave(&gus->reg_lock, flags);
	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
	snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
	snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
	snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
	spin_unlock_irqrestore(&gus->reg_lock, flags);
	gus->equal_irq = 1;
	gus->codec_flag = 1;
	gus->interwave = 1;
	gus->max_flag = 1;
	gus->joystick_dac = joystick_dac[dev];

}

static struct snd_kcontrol_new snd_interwave_controls[] = {
CS4231_DOUBLE("Master Playback Switch", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Master Playback Volume", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
CS4231_DOUBLE("Mic Playback Switch", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
CS4231_DOUBLE("Mic Playback Volume", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
};

static int __devinit snd_interwave_mixer(struct snd_cs4231 *chip)
{
	struct snd_card *card = chip->card;
	struct snd_ctl_elem_id id1, id2;
	unsigned int idx;
	int err;

	memset(&id1, 0, sizeof(id1));
	memset(&id2, 0, sizeof(id2));
	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
#if 0
	/* remove mono microphone controls */
	strcpy(id1.name, "Mic Playback Switch");
	if ((err = snd_ctl_remove_id(card, &id1)) < 0)
		return err;
	strcpy(id1.name, "Mic Playback Volume");
	if ((err = snd_ctl_remove_id(card, &id1)) < 0)
		return err;
#endif
	/* add new master and mic controls */
	for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++)
		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0)
			return err;
	snd_cs4231_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
	snd_cs4231_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
	snd_cs4231_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
	snd_cs4231_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
	/* reassign AUXA to SYNTHESIZER */
	strcpy(id1.name, "Aux Playback Switch");
	strcpy(id2.name, "Synth Playback Switch");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	strcpy(id1.name, "Aux Playback Volume");
	strcpy(id2.name, "Synth Playback Volume");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	/* reassign AUXB to CD */
	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	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;
	return 0;
}

#ifdef CONFIG_PNP

static int __devinit snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
				       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);
	int err;

	iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (iwcard->dev == NULL) {
		kfree(cfg);
		return -EBUSY;
	}
#ifdef SNDRV_STB
	iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
	if (iwcard->devtc == NULL) {
		kfree(cfg);
		return -EBUSY;
	}
#endif
	/* Synth & Codec initialization */
	pdev = iwcard->dev;
	pnp_init_resource_table(cfg);
	if (port[dev] != SNDRV_AUTO_PORT) {
		pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
		pnp_resource_change(&cfg->port_resource[1], port[dev] + 0x100, 12);
		pnp_resource_change(&cfg->port_resource[2], port[dev] + 0x10c, 4);
	}
	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 (dma2[dev] < 0)
		pnp_resource_change(&cfg->dma_resource[1], 4, 1);
	if (irq[dev] != SNDRV_AUTO_IRQ)
		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
        if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
		snd_printk(KERN_ERR "InterWave - Synth - the requested resources are invalid, using auto config\n");
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		kfree(cfg);
		snd_printk(KERN_ERR "InterWave PnP configure failure (out of resources?)\n");
		return err;
	}
	if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
	    pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
		kfree(cfg);
		snd_printk(KERN_ERR "PnP configure failure (wrong ports)\n");
		return -ENOENT;
	}
	port[dev] = pnp_port_start(pdev, 0);
	dma1[dev] = pnp_dma(pdev, 0);
	if (dma2[dev] >= 0)
		dma2[dev] = pnp_dma(pdev, 1);
	irq[dev] = pnp_irq(pdev, 0);
	snd_printdd("isapnp IW: sb port=0x%llx, gf1 port=0x%llx, codec port=0x%llx\n",
			(unsigned long long)pnp_port_start(pdev, 0),
			(unsigned long long)pnp_port_start(pdev, 1),
			(unsigned long long)pnp_port_start(pdev, 2));
	snd_printdd("isapnp IW: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
#ifdef SNDRV_STB
	/* Tone Control initialization */
	pdev = iwcard->devtc;
	pnp_init_resource_table(cfg);
	if (port_tc[dev] != SNDRV_AUTO_PORT)
		pnp_resource_change(&cfg->port_resource[0], port_tc[dev], 1);
        if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
		snd_printk(KERN_ERR "InterWave - ToneControl - the requested resources are invalid, using auto config\n");
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		kfree(cfg);
		snd_printk(KERN_ERR "InterWave ToneControl PnP configure failure (out of resources?)\n");
		return err;
	}
	port_tc[dev] = pnp_port_start(pdev, 0);
	snd_printdd("isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
#endif
	kfree(cfg);
	return 0;
}
#endif /* CONFIG_PNP */

static void snd_interwave_free(struct snd_card *card)
{
	struct snd_interwave *iwcard = card->private_data;

	if (iwcard == NULL)
		return;
#ifdef SNDRV_STB
	release_and_free_resource(iwcard->i2c_res);
#endif
	if (iwcard->irq >= 0)
		free_irq(iwcard->irq, (void *)iwcard);
}

static struct snd_card *snd_interwave_card_new(int dev)
{
	struct snd_card *card;
	struct snd_interwave *iwcard;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
			    sizeof(struct snd_interwave));
	if (card == NULL)
		return NULL;
	iwcard = card->private_data;
	iwcard->card = card;
	iwcard->irq = -1;
	card->private_free = snd_interwave_free;
	return card;
}

static int __devinit snd_interwave_probe(struct snd_card *card, int dev)
{
	int xirq, xdma1, xdma2;
	struct snd_interwave *iwcard = card->private_data;
	struct snd_cs4231 *cs4231;
	struct snd_gus_card *gus;
#ifdef SNDRV_STB
	struct snd_i2c_bus *i2c_bus;
#endif
	struct snd_pcm *pcm;
	char *str;
	int err;

	xirq = irq[dev];
	xdma1 = dma1[dev];
	xdma2 = dma2[dev];

	if ((err = snd_gus_create(card,
				  port[dev],
				  -xirq, xdma1, xdma2,
				  0, 32,
				  pcm_channels[dev], effect[dev], &gus)) < 0)
		return err;

	if ((err = snd_interwave_detect(iwcard, gus, dev
#ifdef SNDRV_STB
            , &i2c_bus
#endif
	    )) < 0)
		return err;

	iwcard->gus_status_reg = gus->gf1.reg_irqstat;
	iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;

	snd_interwave_init(dev, gus);
	snd_interwave_detect_memory(gus);
	if ((err = snd_gus_initialize(gus)) < 0)
		return err;

	if (request_irq(xirq, snd_interwave_interrupt, IRQF_DISABLED,
			"InterWave", iwcard)) {
		snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
		return -EBUSY;
	}
	iwcard->irq = xirq;

	if ((err = snd_cs4231_create(card,
				     gus->gf1.port + 0x10c, -1, xirq,
				     xdma2 < 0 ? xdma1 : xdma2, xdma1,
				     CS4231_HW_INTERWAVE,
				     CS4231_HWSHARE_IRQ |
				     CS4231_HWSHARE_DMA1 |
				     CS4231_HWSHARE_DMA2,
				     &cs4231)) < 0)
		return err;

	if ((err = snd_cs4231_pcm(cs4231, 0, &pcm)) < 0)
		return err;

	sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A');
	strcat(pcm->name, " (codec)");

	if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
		return err;

	if ((err = snd_cs4231_mixer(cs4231)) < 0)
		return err;

	if (pcm_channels[dev] > 0) {
		if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
			return err;
	}
	if ((err = snd_interwave_mixer(cs4231)) < 0)
		return err;

#ifdef SNDRV_STB
	{
		struct snd_ctl_elem_id id1, id2;
		memset(&id1, 0, sizeof(id1));
		memset(&id2, 0, sizeof(id2));
		id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
		strcpy(id1.name, "Master Playback Switch");
		strcpy(id2.name, id1.name);
		id2.index = 1;
		if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
			return err;
		strcpy(id1.name, "Master Playback Volume");
		strcpy(id2.name, id1.name);
		if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
			return err;
		if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0)
			return err;
	}
#endif

	gus->uart_enable = midi[dev];
	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
		return err;

#ifndef SNDRV_STB
	str = "AMD InterWave";
	if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
		str = "Dynasonic 3-D";
#else
	str = "InterWave STB";
#endif
	strcpy(card->driver, str);
	strcpy(card->shortname, str);
	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
		str,
		gus->gf1.port,
		xirq,
		xdma1);
	if (xdma2 >= 0)
		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);

	if ((err = snd_card_register(card)) < 0)
		return err;
	
	iwcard->cs4231 = cs4231;
	iwcard->gus = gus;
	return 0;
}

static int __devinit snd_interwave_nonpnp_probe1(int dev, struct platform_device *devptr)
{
	struct snd_card *card;
	int err;

	card = snd_interwave_card_new(dev);
	if (! card)
		return -ENOMEM;

	snd_card_set_dev(card, &devptr->dev);
	if ((err = snd_interwave_probe(card, dev)) < 0) {
		snd_card_free(card);
		return err;
	}
	platform_set_drvdata(devptr, card);
	return 0;
}

static int __devinit snd_interwave_nonpnp_probe(struct platform_device *pdev)
{
	int dev = pdev->id;
	int err;
	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
	static int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};

	if (irq[dev] == SNDRV_AUTO_IRQ) {
		if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
			return -EBUSY;
		}
	}
	if (dma1[dev] == SNDRV_AUTO_DMA) {
		if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
			snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
			return -EBUSY;
		}
	}
	if (dma2[dev] == SNDRV_AUTO_DMA) {
		if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
			return -EBUSY;
		}
	}

	if (port[dev] != SNDRV_AUTO_PORT)
		return snd_interwave_nonpnp_probe1(dev, pdev);
	else {
		static long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
		int i;
		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
			port[dev] = possible_ports[i];
			err = snd_interwave_nonpnp_probe1(dev, pdev);
			if (! err)
				return 0;
		}
		return err;
	}
}

static int __devexit snd_interwave_nonpnp_remove(struct platform_device *devptr)
{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
}

static struct platform_driver snd_interwave_driver = {
	.probe		= snd_interwave_nonpnp_probe,
	.remove		= __devexit_p(snd_interwave_nonpnp_remove),
	/* FIXME: suspend,resume */
	.driver		= {
		.name	= INTERWAVE_DRIVER
	},
};

#ifdef CONFIG_PNP
static unsigned int __devinitdata interwave_pnp_devices;

static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *pcard,
					      const struct pnp_card_device_id *pid)
{
	static int dev;
	struct snd_card *card;
	int res;

	for ( ; dev < SNDRV_CARDS; dev++) {
		if (enable[dev] && isapnp[dev])
			break;
	}
	if (dev >= SNDRV_CARDS)
		return -ENODEV;
				
	card = snd_interwave_card_new(dev);
	if (! card)
		return -ENOMEM;

	if ((res = snd_interwave_pnp(dev, card->private_data, pcard, pid)) < 0) {
		snd_card_free(card);
		return res;
	}
	snd_card_set_dev(card, &pcard->card->dev);
	if ((res = snd_interwave_probe(card, dev)) < 0) {
		snd_card_free(card);
		return res;
	}
	pnp_set_card_drvdata(pcard, card);
	dev++;
	interwave_pnp_devices++;
	return 0;
}

static void __devexit snd_interwave_pnp_remove(struct pnp_card_link * pcard)
{
	snd_card_free(pnp_get_card_drvdata(pcard));
	pnp_set_card_drvdata(pcard, NULL);
}

static struct pnp_card_driver interwave_pnpc_driver = {
	.flags = PNP_DRIVER_RES_DISABLE,
	.name = INTERWAVE_PNP_DRIVER,
	.id_table = snd_interwave_pnpids,
	.probe = snd_interwave_pnp_detect,
	.remove = __devexit_p(snd_interwave_pnp_remove),
	/* FIXME: suspend,resume */
};

#endif /* CONFIG_PNP */

static void __init_or_module snd_interwave_unregister_all(void)
{
	int i;

	if (pnp_registered)
		pnp_unregister_card_driver(&interwave_pnpc_driver);
	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
		platform_device_unregister(platform_devices[i]);
	platform_driver_unregister(&snd_interwave_driver);
}

static int __init alsa_card_interwave_init(void)
{
	int i, err, cards = 0;

	if ((err = platform_driver_register(&snd_interwave_driver)) < 0)
		return err;

	for (i = 0; i < SNDRV_CARDS; i++) {
		struct platform_device *device;
		if (! enable[i])
			continue;
#ifdef CONFIG_PNP
		if (isapnp[i])
			continue;
#endif
		device = platform_device_register_simple(INTERWAVE_DRIVER,
							 i, NULL, 0);
		if (IS_ERR(device))
			continue;
		if (!platform_get_drvdata(device)) {
			platform_device_unregister(device);
			continue;
		}
		platform_devices[i] = device;
		cards++;
	}

	/* ISA PnP cards */
	err = pnp_register_card_driver(&interwave_pnpc_driver);
	if (!err) {
		pnp_registered = 1;
		cards += interwave_pnp_devices;;
	}

	if (!cards) {
#ifdef MODULE
		printk(KERN_ERR "InterWave soundcard not found or device busy\n");
#endif
		snd_interwave_unregister_all();
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_interwave_exit(void)
{
	snd_interwave_unregister_all();
}

module_init(alsa_card_interwave_init)
module_exit(alsa_card_interwave_exit)