xref: /openbmc/linux/sound/isa/gus/interwave.c (revision 842ed298)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for AMD InterWave soundcard
4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5  *
6  *   1999/07/22		Erik Inge Bolso <knan@mo.himolde.no>
7  *			* mixer group handlers
8  */
9 
10 #include <linux/init.h>
11 #include <linux/err.h>
12 #include <linux/isa.h>
13 #include <linux/delay.h>
14 #include <linux/pnp.h>
15 #include <linux/module.h>
16 #include <asm/dma.h>
17 #include <sound/core.h>
18 #include <sound/gus.h>
19 #include <sound/wss.h>
20 #ifdef SNDRV_STB
21 #include <sound/tea6330t.h>
22 #endif
23 #define SNDRV_LEGACY_FIND_FREE_IRQ
24 #define SNDRV_LEGACY_FIND_FREE_DMA
25 #include <sound/initval.h>
26 
27 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
28 MODULE_LICENSE("GPL");
29 #ifndef SNDRV_STB
30 MODULE_DESCRIPTION("AMD InterWave");
31 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Plug & Play},"
32 		"{STB,SoundRage32},"
33 		"{MED,MED3210},"
34 		"{Dynasonix,Dynasonix Pro},"
35 		"{Panasonic,PCA761AW}}");
36 #else
37 MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
38 MODULE_SUPPORTED_DEVICE("{{AMD,InterWave STB with TEA6330T}}");
39 #endif
40 
41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
43 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
44 #ifdef CONFIG_PNP
45 static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
46 #endif
47 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x210,0x220,0x230,0x240,0x250,0x260 */
48 #ifdef SNDRV_STB
49 static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x350,0x360,0x370,0x380 */
50 #endif
51 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
52 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
53 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
54 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
55 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
56 static int midi[SNDRV_CARDS];
57 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
58 static int effect[SNDRV_CARDS];
59 
60 #ifdef SNDRV_STB
61 #define PFX "interwave-stb: "
62 #define INTERWAVE_DRIVER	"snd_interwave_stb"
63 #define INTERWAVE_PNP_DRIVER	"interwave-stb"
64 #else
65 #define PFX "interwave: "
66 #define INTERWAVE_DRIVER	"snd_interwave"
67 #define INTERWAVE_PNP_DRIVER	"interwave"
68 #endif
69 
70 module_param_array(index, int, NULL, 0444);
71 MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
72 module_param_array(id, charp, NULL, 0444);
73 MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
74 module_param_array(enable, bool, NULL, 0444);
75 MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
76 #ifdef CONFIG_PNP
77 module_param_array(isapnp, bool, NULL, 0444);
78 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
79 #endif
80 module_param_hw_array(port, long, ioport, NULL, 0444);
81 MODULE_PARM_DESC(port, "Port # for InterWave driver.");
82 #ifdef SNDRV_STB
83 module_param_hw_array(port_tc, long, ioport, NULL, 0444);
84 MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
85 #endif
86 module_param_hw_array(irq, int, irq, NULL, 0444);
87 MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
88 module_param_hw_array(dma1, int, dma, NULL, 0444);
89 MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
90 module_param_hw_array(dma2, int, dma, NULL, 0444);
91 MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
92 module_param_array(joystick_dac, int, NULL, 0444);
93 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
94 module_param_array(midi, int, NULL, 0444);
95 MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
96 module_param_array(pcm_channels, int, NULL, 0444);
97 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
98 module_param_array(effect, int, NULL, 0444);
99 MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
100 
101 struct snd_interwave {
102 	int irq;
103 	struct snd_card *card;
104 	struct snd_gus_card *gus;
105 	struct snd_wss *wss;
106 #ifdef SNDRV_STB
107 	struct resource *i2c_res;
108 #endif
109 	unsigned short gus_status_reg;
110 	unsigned short pcm_status_reg;
111 #ifdef CONFIG_PNP
112 	struct pnp_dev *dev;
113 #ifdef SNDRV_STB
114 	struct pnp_dev *devtc;
115 #endif
116 #endif
117 };
118 
119 
120 #ifdef CONFIG_PNP
121 static int isa_registered;
122 static int pnp_registered;
123 
124 static const struct pnp_card_device_id snd_interwave_pnpids[] = {
125 #ifndef SNDRV_STB
126 	/* Gravis UltraSound Plug & Play */
127 	{ .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
128 	/* STB SoundRage32 */
129 	{ .id = "STB011a", .devs = { { .id = "STB0010" } } },
130 	/* MED3210 */
131 	{ .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
132 	/* Dynasonic Pro */
133 	/* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
134 	{ .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
135 	/* Panasonic PCA761AW Audio Card */
136 	{ .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
137 	/* InterWave STB without TEA6330T */
138 	{ .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
139 #else
140 	/* InterWave STB with TEA6330T */
141 	{ .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
142 #endif
143 	{ .id = "" }
144 };
145 
146 MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);
147 
148 #endif /* CONFIG_PNP */
149 
150 
151 #ifdef SNDRV_STB
152 static void snd_interwave_i2c_setlines(struct snd_i2c_bus *bus, int ctrl, int data)
153 {
154 	unsigned long port = bus->private_value;
155 
156 #if 0
157 	printk(KERN_DEBUG "i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
158 #endif
159 	outb((data << 1) | ctrl, port);
160 	udelay(10);
161 }
162 
163 static int snd_interwave_i2c_getclockline(struct snd_i2c_bus *bus)
164 {
165 	unsigned long port = bus->private_value;
166 	unsigned char res;
167 
168 	res = inb(port) & 1;
169 #if 0
170 	printk(KERN_DEBUG "i2c_getclockline - 0x%lx -> %i\n", port, res);
171 #endif
172 	return res;
173 }
174 
175 static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
176 {
177 	unsigned long port = bus->private_value;
178 	unsigned char res;
179 
180 	if (ack)
181 		udelay(10);
182 	res = (inb(port) & 2) >> 1;
183 #if 0
184 	printk(KERN_DEBUG "i2c_getdataline - 0x%lx -> %i\n", port, res);
185 #endif
186 	return res;
187 }
188 
189 static struct snd_i2c_bit_ops snd_interwave_i2c_bit_ops = {
190 	.setlines = snd_interwave_i2c_setlines,
191 	.getclock = snd_interwave_i2c_getclockline,
192 	.getdata  = snd_interwave_i2c_getdataline,
193 };
194 
195 static int snd_interwave_detect_stb(struct snd_interwave *iwcard,
196 				    struct snd_gus_card *gus, int dev,
197 				    struct snd_i2c_bus **rbus)
198 {
199 	unsigned long port;
200 	struct snd_i2c_bus *bus;
201 	struct snd_card *card = iwcard->card;
202 	char name[32];
203 	int err;
204 
205 	*rbus = NULL;
206 	port = port_tc[dev];
207 	if (port == SNDRV_AUTO_PORT) {
208 		port = 0x350;
209 		if (gus->gf1.port == 0x250) {
210 			port = 0x360;
211 		}
212 		while (port <= 0x380) {
213 			if ((iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)")) != NULL)
214 				break;
215 			port += 0x10;
216 		}
217 	} else {
218 		iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
219 	}
220 	if (iwcard->i2c_res == NULL) {
221 		snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
222 		return -ENODEV;
223 	}
224 
225 	sprintf(name, "InterWave-%i", card->number);
226 	if ((err = snd_i2c_bus_create(card, name, NULL, &bus)) < 0)
227 		return err;
228 	bus->private_value = port;
229 	bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
230 	if ((err = snd_tea6330t_detect(bus, 0)) < 0)
231 		return err;
232 	*rbus = bus;
233 	return 0;
234 }
235 #endif
236 
237 static int snd_interwave_detect(struct snd_interwave *iwcard,
238 				struct snd_gus_card *gus,
239 				int dev
240 #ifdef SNDRV_STB
241 				, struct snd_i2c_bus **rbus
242 #endif
243 				          )
244 {
245 	unsigned long flags;
246 	unsigned char rev1, rev2;
247 	int d;
248 
249 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
250 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
251 		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
252 		return -ENODEV;
253 	}
254 	udelay(160);
255 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
256 	udelay(160);
257 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
258 		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
259 		return -ENODEV;
260 	}
261 	spin_lock_irqsave(&gus->reg_lock, flags);
262 	rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
263 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
264 	rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
265 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
266 	spin_unlock_irqrestore(&gus->reg_lock, flags);
267 	snd_printdd("[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n", gus->gf1.port, rev1, rev2);
268 	if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
269 	    (rev1 & 0x0f) != (rev2 & 0x0f)) {
270 		snd_printdd("[0x%lx] InterWave check - passed\n", gus->gf1.port);
271 		gus->interwave = 1;
272 		strcpy(gus->card->shortname, "AMD InterWave");
273 		gus->revision = rev1 >> 4;
274 #ifndef SNDRV_STB
275 		return 0;	/* ok.. We have an InterWave board */
276 #else
277 		return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
278 #endif
279 	}
280 	snd_printdd("[0x%lx] InterWave check - failed\n", gus->gf1.port);
281 	return -ENODEV;
282 }
283 
284 static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id)
285 {
286 	struct snd_interwave *iwcard = dev_id;
287 	int loop, max = 5;
288 	int handled = 0;
289 
290 	do {
291 		loop = 0;
292 		if (inb(iwcard->gus_status_reg)) {
293 			handled = 1;
294 			snd_gus_interrupt(irq, iwcard->gus);
295 			loop++;
296 		}
297 		if (inb(iwcard->pcm_status_reg) & 0x01) {	/* IRQ bit is set? */
298 			handled = 1;
299 			snd_wss_interrupt(irq, iwcard->wss);
300 			loop++;
301 		}
302 	} while (loop && --max > 0);
303 	return IRQ_RETVAL(handled);
304 }
305 
306 static void snd_interwave_reset(struct snd_gus_card *gus)
307 {
308 	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
309 	udelay(160);
310 	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
311 	udelay(160);
312 }
313 
314 static void snd_interwave_bank_sizes(struct snd_gus_card *gus, int *sizes)
315 {
316 	unsigned int idx;
317 	unsigned int local;
318 	unsigned char d;
319 
320 	for (idx = 0; idx < 4; idx++) {
321 		sizes[idx] = 0;
322 		d = 0x55;
323 		for (local = idx << 22;
324 		     local < (idx << 22) + 0x400000;
325 		     local += 0x40000, d++) {
326 			snd_gf1_poke(gus, local, d);
327 			snd_gf1_poke(gus, local + 1, d + 1);
328 #if 0
329 			printk(KERN_DEBUG "d = 0x%x, local = 0x%x, "
330 			       "local + 1 = 0x%x, idx << 22 = 0x%x\n",
331 			       d,
332 			       snd_gf1_peek(gus, local),
333 			       snd_gf1_peek(gus, local + 1),
334 			       snd_gf1_peek(gus, idx << 22));
335 #endif
336 			if (snd_gf1_peek(gus, local) != d ||
337 			    snd_gf1_peek(gus, local + 1) != d + 1 ||
338 			    snd_gf1_peek(gus, idx << 22) != 0x55)
339 				break;
340 			sizes[idx]++;
341 		}
342 	}
343 #if 0
344 	printk(KERN_DEBUG "sizes: %i %i %i %i\n",
345 	       sizes[0], sizes[1], sizes[2], sizes[3]);
346 #endif
347 }
348 
349 struct rom_hdr {
350 	/* 000 */ unsigned char iwave[8];
351 	/* 008 */ unsigned char rom_hdr_revision;
352 	/* 009 */ unsigned char series_number;
353 	/* 010 */ unsigned char series_name[16];
354 	/* 026 */ unsigned char date[10];
355 	/* 036 */ unsigned short vendor_revision_major;
356 	/* 038 */ unsigned short vendor_revision_minor;
357 	/* 040 */ unsigned int rom_size;
358 	/* 044 */ unsigned char copyright[128];
359 	/* 172 */ unsigned char vendor_name[64];
360 	/* 236 */ unsigned char rom_description[128];
361 	/* 364 */ unsigned char pad[147];
362 	/* 511 */ unsigned char csum;
363 };
364 
365 static void snd_interwave_detect_memory(struct snd_gus_card *gus)
366 {
367 	static const unsigned int lmc[13] =
368 	{
369 		0x00000001, 0x00000101, 0x01010101, 0x00000401,
370 		0x04040401, 0x00040101, 0x04040101, 0x00000004,
371 		0x00000404, 0x04040404, 0x00000010, 0x00001010,
372 		0x10101010
373 	};
374 
375 	int bank_pos, pages;
376 	unsigned int i, lmct;
377 	int psizes[4];
378 	unsigned char iwave[8];
379 	unsigned char csum;
380 
381 	snd_interwave_reset(gus);
382 	snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);		/* enhanced mode */
383 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);	/* DRAM I/O cycles selected */
384 	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
385 	/* ok.. simple test of memory size */
386 	pages = 0;
387 	snd_gf1_poke(gus, 0, 0x55);
388 	snd_gf1_poke(gus, 1, 0xaa);
389 #if 1
390 	if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
391 #else
392 	if (0)			/* ok.. for testing of 0k RAM */
393 #endif
394 	{
395 		snd_interwave_bank_sizes(gus, psizes);
396 		lmct = (psizes[3] << 24) | (psizes[2] << 16) |
397 		    (psizes[1] << 8) | psizes[0];
398 #if 0
399 		printk(KERN_DEBUG "lmct = 0x%08x\n", lmct);
400 #endif
401 		for (i = 0; i < ARRAY_SIZE(lmc); i++)
402 			if (lmct == lmc[i]) {
403 #if 0
404 				printk(KERN_DEBUG "found !!! %i\n", i);
405 #endif
406 				snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | i);
407 				snd_interwave_bank_sizes(gus, psizes);
408 				break;
409 			}
410 		if (i >= ARRAY_SIZE(lmc) && !gus->gf1.enh_mode)
411 			 snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | 2);
412 		for (i = 0; i < 4; i++) {
413 			gus->gf1.mem_alloc.banks_8[i].address =
414 			    gus->gf1.mem_alloc.banks_16[i].address = i << 22;
415 			gus->gf1.mem_alloc.banks_8[i].size =
416 			    gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
417 			pages += psizes[i];
418 		}
419 	}
420 	pages <<= 18;
421 	gus->gf1.memory = pages;
422 
423 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03);	/* select ROM */
424 	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
425 	gus->gf1.rom_banks = 0;
426 	gus->gf1.rom_memory = 0;
427 	for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
428 		for (i = 0; i < 8; ++i)
429 			iwave[i] = snd_gf1_peek(gus, bank_pos + i);
430 		if (strncmp(iwave, "INTRWAVE", 8))
431 			continue;	/* first check */
432 		csum = 0;
433 		for (i = 0; i < sizeof(struct rom_hdr); i++)
434 			csum += snd_gf1_peek(gus, bank_pos + i);
435 		if (csum != 0)
436 			continue;	/* not valid rom */
437 		gus->gf1.rom_banks++;
438 		gus->gf1.rom_present |= 1 << (bank_pos >> 22);
439 		gus->gf1.rom_memory = snd_gf1_peek(gus, bank_pos + 40) |
440 				     (snd_gf1_peek(gus, bank_pos + 41) << 8) |
441 				     (snd_gf1_peek(gus, bank_pos + 42) << 16) |
442 				     (snd_gf1_peek(gus, bank_pos + 43) << 24);
443 	}
444 #if 0
445 	if (gus->gf1.rom_memory > 0) {
446 		if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
447 			gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
448 	}
449 #endif
450 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00);	/* select RAM */
451 
452 	if (!gus->gf1.enh_mode)
453 		snd_interwave_reset(gus);
454 }
455 
456 static void snd_interwave_init(int dev, struct snd_gus_card *gus)
457 {
458 	unsigned long flags;
459 
460 	/* ok.. some InterWave specific initialization */
461 	spin_lock_irqsave(&gus->reg_lock, flags);
462 	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
463 	snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
464 	snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
465 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
466 	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
467 	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
468 	snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
469 	spin_unlock_irqrestore(&gus->reg_lock, flags);
470 	gus->equal_irq = 1;
471 	gus->codec_flag = 1;
472 	gus->interwave = 1;
473 	gus->max_flag = 1;
474 	gus->joystick_dac = joystick_dac[dev];
475 
476 }
477 
478 static const struct snd_kcontrol_new snd_interwave_controls[] = {
479 WSS_DOUBLE("Master Playback Switch", 0,
480 		CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
481 WSS_DOUBLE("Master Playback Volume", 0,
482 		CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
483 WSS_DOUBLE("Mic Playback Switch", 0,
484 		CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
485 WSS_DOUBLE("Mic Playback Volume", 0,
486 		CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
487 };
488 
489 static int snd_interwave_mixer(struct snd_wss *chip)
490 {
491 	struct snd_card *card = chip->card;
492 	struct snd_ctl_elem_id id1, id2;
493 	unsigned int idx;
494 	int err;
495 
496 	memset(&id1, 0, sizeof(id1));
497 	memset(&id2, 0, sizeof(id2));
498 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
499 #if 0
500 	/* remove mono microphone controls */
501 	strcpy(id1.name, "Mic Playback Switch");
502 	if ((err = snd_ctl_remove_id(card, &id1)) < 0)
503 		return err;
504 	strcpy(id1.name, "Mic Playback Volume");
505 	if ((err = snd_ctl_remove_id(card, &id1)) < 0)
506 		return err;
507 #endif
508 	/* add new master and mic controls */
509 	for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++)
510 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0)
511 			return err;
512 	snd_wss_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
513 	snd_wss_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
514 	snd_wss_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
515 	snd_wss_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
516 	/* reassign AUXA to SYNTHESIZER */
517 	strcpy(id1.name, "Aux Playback Switch");
518 	strcpy(id2.name, "Synth Playback Switch");
519 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
520 		return err;
521 	strcpy(id1.name, "Aux Playback Volume");
522 	strcpy(id2.name, "Synth Playback Volume");
523 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
524 		return err;
525 	/* reassign AUXB to CD */
526 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
527 	strcpy(id2.name, "CD Playback Switch");
528 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
529 		return err;
530 	strcpy(id1.name, "Aux Playback Volume");
531 	strcpy(id2.name, "CD Playback Volume");
532 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
533 		return err;
534 	return 0;
535 }
536 
537 #ifdef CONFIG_PNP
538 
539 static int snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
540 			     struct pnp_card_link *card,
541 			     const struct pnp_card_device_id *id)
542 {
543 	struct pnp_dev *pdev;
544 	int err;
545 
546 	iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
547 	if (iwcard->dev == NULL)
548 		return -EBUSY;
549 
550 #ifdef SNDRV_STB
551 	iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
552 	if (iwcard->devtc == NULL)
553 		return -EBUSY;
554 #endif
555 	/* Synth & Codec initialization */
556 	pdev = iwcard->dev;
557 
558 	err = pnp_activate_dev(pdev);
559 	if (err < 0) {
560 		snd_printk(KERN_ERR "InterWave PnP configure failure (out of resources?)\n");
561 		return err;
562 	}
563 	if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
564 	    pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
565 		snd_printk(KERN_ERR "PnP configure failure (wrong ports)\n");
566 		return -ENOENT;
567 	}
568 	port[dev] = pnp_port_start(pdev, 0);
569 	dma1[dev] = pnp_dma(pdev, 0);
570 	if (dma2[dev] >= 0)
571 		dma2[dev] = pnp_dma(pdev, 1);
572 	irq[dev] = pnp_irq(pdev, 0);
573 	snd_printdd("isapnp IW: sb port=0x%llx, gf1 port=0x%llx, codec port=0x%llx\n",
574 			(unsigned long long)pnp_port_start(pdev, 0),
575 			(unsigned long long)pnp_port_start(pdev, 1),
576 			(unsigned long long)pnp_port_start(pdev, 2));
577 	snd_printdd("isapnp IW: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
578 #ifdef SNDRV_STB
579 	/* Tone Control initialization */
580 	pdev = iwcard->devtc;
581 
582 	err = pnp_activate_dev(pdev);
583 	if (err < 0) {
584 		snd_printk(KERN_ERR "InterWave ToneControl PnP configure failure (out of resources?)\n");
585 		return err;
586 	}
587 	port_tc[dev] = pnp_port_start(pdev, 0);
588 	snd_printdd("isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
589 #endif
590 	return 0;
591 }
592 #endif /* CONFIG_PNP */
593 
594 static void snd_interwave_free(struct snd_card *card)
595 {
596 	struct snd_interwave *iwcard = card->private_data;
597 
598 	if (iwcard == NULL)
599 		return;
600 #ifdef SNDRV_STB
601 	release_and_free_resource(iwcard->i2c_res);
602 #endif
603 	if (iwcard->irq >= 0)
604 		free_irq(iwcard->irq, (void *)iwcard);
605 }
606 
607 static int snd_interwave_card_new(struct device *pdev, int dev,
608 				  struct snd_card **cardp)
609 {
610 	struct snd_card *card;
611 	struct snd_interwave *iwcard;
612 	int err;
613 
614 	err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
615 			   sizeof(struct snd_interwave), &card);
616 	if (err < 0)
617 		return err;
618 	iwcard = card->private_data;
619 	iwcard->card = card;
620 	iwcard->irq = -1;
621 	card->private_free = snd_interwave_free;
622 	*cardp = card;
623 	return 0;
624 }
625 
626 static int snd_interwave_probe(struct snd_card *card, int dev)
627 {
628 	int xirq, xdma1, xdma2;
629 	struct snd_interwave *iwcard = card->private_data;
630 	struct snd_wss *wss;
631 	struct snd_gus_card *gus;
632 #ifdef SNDRV_STB
633 	struct snd_i2c_bus *i2c_bus;
634 #endif
635 	char *str;
636 	int err;
637 
638 	xirq = irq[dev];
639 	xdma1 = dma1[dev];
640 	xdma2 = dma2[dev];
641 
642 	if ((err = snd_gus_create(card,
643 				  port[dev],
644 				  -xirq, xdma1, xdma2,
645 				  0, 32,
646 				  pcm_channels[dev], effect[dev], &gus)) < 0)
647 		return err;
648 
649 	if ((err = snd_interwave_detect(iwcard, gus, dev
650 #ifdef SNDRV_STB
651             , &i2c_bus
652 #endif
653 	    )) < 0)
654 		return err;
655 
656 	iwcard->gus_status_reg = gus->gf1.reg_irqstat;
657 	iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
658 
659 	snd_interwave_init(dev, gus);
660 	snd_interwave_detect_memory(gus);
661 	if ((err = snd_gus_initialize(gus)) < 0)
662 		return err;
663 
664 	if (request_irq(xirq, snd_interwave_interrupt, 0,
665 			"InterWave", iwcard)) {
666 		snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
667 		return -EBUSY;
668 	}
669 	iwcard->irq = xirq;
670 	card->sync_irq = iwcard->irq;
671 
672 	err = snd_wss_create(card,
673 			     gus->gf1.port + 0x10c, -1, xirq,
674 			     xdma2 < 0 ? xdma1 : xdma2, xdma1,
675 			     WSS_HW_INTERWAVE,
676 			     WSS_HWSHARE_IRQ |
677 			     WSS_HWSHARE_DMA1 |
678 			     WSS_HWSHARE_DMA2,
679 			     &wss);
680 	if (err < 0)
681 		return err;
682 
683 	err = snd_wss_pcm(wss, 0);
684 	if (err < 0)
685 		return err;
686 
687 	sprintf(wss->pcm->name + strlen(wss->pcm->name), " rev %c",
688 		gus->revision + 'A');
689 	strcat(wss->pcm->name, " (codec)");
690 
691 	err = snd_wss_timer(wss, 2);
692 	if (err < 0)
693 		return err;
694 
695 	err = snd_wss_mixer(wss);
696 	if (err < 0)
697 		return err;
698 
699 	if (pcm_channels[dev] > 0) {
700 		err = snd_gf1_pcm_new(gus, 1, 1);
701 		if (err < 0)
702 			return err;
703 	}
704 	err = snd_interwave_mixer(wss);
705 	if (err < 0)
706 		return err;
707 
708 #ifdef SNDRV_STB
709 	{
710 		struct snd_ctl_elem_id id1, id2;
711 		memset(&id1, 0, sizeof(id1));
712 		memset(&id2, 0, sizeof(id2));
713 		id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
714 		strcpy(id1.name, "Master Playback Switch");
715 		strcpy(id2.name, id1.name);
716 		id2.index = 1;
717 		if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
718 			return err;
719 		strcpy(id1.name, "Master Playback Volume");
720 		strcpy(id2.name, id1.name);
721 		if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
722 			return err;
723 		if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0)
724 			return err;
725 	}
726 #endif
727 
728 	gus->uart_enable = midi[dev];
729 	if ((err = snd_gf1_rawmidi_new(gus, 0)) < 0)
730 		return err;
731 
732 #ifndef SNDRV_STB
733 	str = "AMD InterWave";
734 	if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
735 		str = "Dynasonic 3-D";
736 #else
737 	str = "InterWave STB";
738 #endif
739 	strcpy(card->driver, str);
740 	strcpy(card->shortname, str);
741 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
742 		str,
743 		gus->gf1.port,
744 		xirq,
745 		xdma1);
746 	if (xdma2 >= 0)
747 		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
748 
749 	err = snd_card_register(card);
750 	if (err < 0)
751 		return err;
752 
753 	iwcard->wss = wss;
754 	iwcard->gus = gus;
755 	return 0;
756 }
757 
758 static int snd_interwave_isa_probe1(int dev, struct device *devptr)
759 {
760 	struct snd_card *card;
761 	int err;
762 
763 	err = snd_interwave_card_new(devptr, dev, &card);
764 	if (err < 0)
765 		return err;
766 
767 	if ((err = snd_interwave_probe(card, dev)) < 0) {
768 		snd_card_free(card);
769 		return err;
770 	}
771 	dev_set_drvdata(devptr, card);
772 	return 0;
773 }
774 
775 static int snd_interwave_isa_match(struct device *pdev,
776 				   unsigned int dev)
777 {
778 	if (!enable[dev])
779 		return 0;
780 #ifdef CONFIG_PNP
781 	if (isapnp[dev])
782 		return 0;
783 #endif
784 	return 1;
785 }
786 
787 static int snd_interwave_isa_probe(struct device *pdev,
788 				   unsigned int dev)
789 {
790 	int err;
791 	static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
792 	static const int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
793 
794 	if (irq[dev] == SNDRV_AUTO_IRQ) {
795 		if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
796 			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
797 			return -EBUSY;
798 		}
799 	}
800 	if (dma1[dev] == SNDRV_AUTO_DMA) {
801 		if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
802 			snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
803 			return -EBUSY;
804 		}
805 	}
806 	if (dma2[dev] == SNDRV_AUTO_DMA) {
807 		if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
808 			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
809 			return -EBUSY;
810 		}
811 	}
812 
813 	if (port[dev] != SNDRV_AUTO_PORT)
814 		return snd_interwave_isa_probe1(dev, pdev);
815 	else {
816 		static const long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
817 		int i;
818 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
819 			port[dev] = possible_ports[i];
820 			err = snd_interwave_isa_probe1(dev, pdev);
821 			if (! err)
822 				return 0;
823 		}
824 		return err;
825 	}
826 }
827 
828 static int snd_interwave_isa_remove(struct device *devptr, unsigned int dev)
829 {
830 	snd_card_free(dev_get_drvdata(devptr));
831 	return 0;
832 }
833 
834 static struct isa_driver snd_interwave_driver = {
835 	.match		= snd_interwave_isa_match,
836 	.probe		= snd_interwave_isa_probe,
837 	.remove		= snd_interwave_isa_remove,
838 	/* FIXME: suspend,resume */
839 	.driver		= {
840 		.name	= INTERWAVE_DRIVER
841 	},
842 };
843 
844 #ifdef CONFIG_PNP
845 static int snd_interwave_pnp_detect(struct pnp_card_link *pcard,
846 				    const struct pnp_card_device_id *pid)
847 {
848 	static int dev;
849 	struct snd_card *card;
850 	int res;
851 
852 	for ( ; dev < SNDRV_CARDS; dev++) {
853 		if (enable[dev] && isapnp[dev])
854 			break;
855 	}
856 	if (dev >= SNDRV_CARDS)
857 		return -ENODEV;
858 
859 	res = snd_interwave_card_new(&pcard->card->dev, dev, &card);
860 	if (res < 0)
861 		return res;
862 
863 	if ((res = snd_interwave_pnp(dev, card->private_data, pcard, pid)) < 0) {
864 		snd_card_free(card);
865 		return res;
866 	}
867 	if ((res = snd_interwave_probe(card, dev)) < 0) {
868 		snd_card_free(card);
869 		return res;
870 	}
871 	pnp_set_card_drvdata(pcard, card);
872 	dev++;
873 	return 0;
874 }
875 
876 static void snd_interwave_pnp_remove(struct pnp_card_link *pcard)
877 {
878 	snd_card_free(pnp_get_card_drvdata(pcard));
879 	pnp_set_card_drvdata(pcard, NULL);
880 }
881 
882 static struct pnp_card_driver interwave_pnpc_driver = {
883 	.flags = PNP_DRIVER_RES_DISABLE,
884 	.name = INTERWAVE_PNP_DRIVER,
885 	.id_table = snd_interwave_pnpids,
886 	.probe = snd_interwave_pnp_detect,
887 	.remove = snd_interwave_pnp_remove,
888 	/* FIXME: suspend,resume */
889 };
890 
891 #endif /* CONFIG_PNP */
892 
893 static int __init alsa_card_interwave_init(void)
894 {
895 	int err;
896 
897 	err = isa_register_driver(&snd_interwave_driver, SNDRV_CARDS);
898 #ifdef CONFIG_PNP
899 	if (!err)
900 		isa_registered = 1;
901 
902 	err = pnp_register_card_driver(&interwave_pnpc_driver);
903 	if (!err)
904 		pnp_registered = 1;
905 
906 	if (isa_registered)
907 		err = 0;
908 #endif
909 	return err;
910 }
911 
912 static void __exit alsa_card_interwave_exit(void)
913 {
914 #ifdef CONFIG_PNP
915 	if (pnp_registered)
916 		pnp_unregister_card_driver(&interwave_pnpc_driver);
917 	if (isa_registered)
918 #endif
919 		isa_unregister_driver(&snd_interwave_driver);
920 }
921 
922 module_init(alsa_card_interwave_init)
923 module_exit(alsa_card_interwave_exit)
924