xref: /openbmc/linux/sound/isa/gus/interwave.c (revision 87c2ce3b)
1 /*
2  *  Driver for AMD InterWave soundcard
3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
4  *
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  *   1999/07/22		Erik Inge Bolso <knan@mo.himolde.no>
21  *			* mixer group handlers
22  *
23  */
24 
25 #include <sound/driver.h>
26 #include <linux/init.h>
27 #include <linux/err.h>
28 #include <linux/platform_device.h>
29 #include <linux/delay.h>
30 #include <linux/slab.h>
31 #include <linux/pnp.h>
32 #include <linux/moduleparam.h>
33 #include <asm/dma.h>
34 #include <sound/core.h>
35 #include <sound/gus.h>
36 #include <sound/cs4231.h>
37 #ifdef SNDRV_STB
38 #include <sound/tea6330t.h>
39 #endif
40 #define SNDRV_LEGACY_FIND_FREE_IRQ
41 #define SNDRV_LEGACY_FIND_FREE_DMA
42 #include <sound/initval.h>
43 
44 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
45 MODULE_LICENSE("GPL");
46 #ifndef SNDRV_STB
47 MODULE_DESCRIPTION("AMD InterWave");
48 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Plug & Play},"
49 		"{STB,SoundRage32},"
50 		"{MED,MED3210},"
51 		"{Dynasonix,Dynasonix Pro},"
52 		"{Panasonic,PCA761AW}}");
53 #else
54 MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
55 MODULE_SUPPORTED_DEVICE("{{AMD,InterWave STB with TEA6330T}}");
56 #endif
57 
58 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
59 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
60 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
61 #ifdef CONFIG_PNP
62 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
63 #endif
64 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x210,0x220,0x230,0x240,0x250,0x260 */
65 #ifdef SNDRV_STB
66 static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x350,0x360,0x370,0x380 */
67 #endif
68 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
69 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
70 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
71 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
72 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
73 static int midi[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
74 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
75 static int effect[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
76 
77 #ifdef SNDRV_STB
78 #define PFX "interwave-stb: "
79 #define INTERWAVE_DRIVER	"snd_interwave_stb"
80 #define INTERWAVE_PNP_DRIVER	"interwave-stb"
81 #else
82 #define PFX "interwave: "
83 #define INTERWAVE_DRIVER	"snd_interwave"
84 #define INTERWAVE_PNP_DRIVER	"interwave"
85 #endif
86 
87 module_param_array(index, int, NULL, 0444);
88 MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
89 module_param_array(id, charp, NULL, 0444);
90 MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
91 module_param_array(enable, bool, NULL, 0444);
92 MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
93 #ifdef CONFIG_PNP
94 module_param_array(isapnp, bool, NULL, 0444);
95 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
96 #endif
97 module_param_array(port, long, NULL, 0444);
98 MODULE_PARM_DESC(port, "Port # for InterWave driver.");
99 #ifdef SNDRV_STB
100 module_param_array(port_tc, long, NULL, 0444);
101 MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
102 #endif
103 module_param_array(irq, int, NULL, 0444);
104 MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
105 module_param_array(dma1, int, NULL, 0444);
106 MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
107 module_param_array(dma2, int, NULL, 0444);
108 MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
109 module_param_array(joystick_dac, int, NULL, 0444);
110 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
111 module_param_array(midi, int, NULL, 0444);
112 MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
113 module_param_array(pcm_channels, int, NULL, 0444);
114 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
115 module_param_array(effect, int, NULL, 0444);
116 MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
117 
118 static struct platform_device *platform_devices[SNDRV_CARDS];
119 static int pnp_registered;
120 
121 struct snd_interwave {
122 	int irq;
123 	struct snd_card *card;
124 	struct snd_gus_card *gus;
125 	struct snd_cs4231 *cs4231;
126 #ifdef SNDRV_STB
127 	struct resource *i2c_res;
128 #endif
129 	unsigned short gus_status_reg;
130 	unsigned short pcm_status_reg;
131 #ifdef CONFIG_PNP
132 	struct pnp_dev *dev;
133 #ifdef SNDRV_STB
134 	struct pnp_dev *devtc;
135 #endif
136 #endif
137 };
138 
139 
140 #ifdef CONFIG_PNP
141 
142 static struct pnp_card_device_id snd_interwave_pnpids[] = {
143 #ifndef SNDRV_STB
144 	/* Gravis UltraSound Plug & Play */
145 	{ .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
146 	/* STB SoundRage32 */
147 	{ .id = "STB011a", .devs = { { .id = "STB0010" } } },
148 	/* MED3210 */
149 	{ .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
150 	/* Dynasonic Pro */
151 	/* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
152 	{ .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
153 	/* Panasonic PCA761AW Audio Card */
154 	{ .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
155 	/* InterWave STB without TEA6330T */
156 	{ .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
157 #else
158 	/* InterWave STB with TEA6330T */
159 	{ .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
160 #endif
161 	{ .id = "" }
162 };
163 
164 MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);
165 
166 #endif /* CONFIG_PNP */
167 
168 
169 #ifdef SNDRV_STB
170 static void snd_interwave_i2c_setlines(struct snd_i2c_bus *bus, int ctrl, int data)
171 {
172 	unsigned long port = bus->private_value;
173 
174 #if 0
175 	printk("i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
176 #endif
177 	outb((data << 1) | ctrl, port);
178 	udelay(10);
179 }
180 
181 static int snd_interwave_i2c_getclockline(struct snd_i2c_bus *bus)
182 {
183 	unsigned long port = bus->private_value;
184 	unsigned char res;
185 
186 	res = inb(port) & 1;
187 #if 0
188 	printk("i2c_getclockline - 0x%lx -> %i\n", port, res);
189 #endif
190 	return res;
191 }
192 
193 static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
194 {
195 	unsigned long port = bus->private_value;
196 	unsigned char res;
197 
198 	if (ack)
199 		udelay(10);
200 	res = (inb(port) & 2) >> 1;
201 #if 0
202 	printk("i2c_getdataline - 0x%lx -> %i\n", port, res);
203 #endif
204 	return res;
205 }
206 
207 static struct snd_i2c_bit_ops snd_interwave_i2c_bit_ops = {
208 	.setlines = snd_interwave_i2c_setlines,
209 	.getclock = snd_interwave_i2c_getclockline,
210 	.getdata  = snd_interwave_i2c_getdataline,
211 };
212 
213 static int __devinit snd_interwave_detect_stb(struct snd_interwave *iwcard,
214 					      struct snd_gus_card * gus, int dev,
215 					      struct snd_i2c_bus **rbus)
216 {
217 	unsigned long port;
218 	struct snd_i2c_bus *bus;
219 	struct snd_card *card = iwcard->card;
220 	char name[32];
221 	int err;
222 
223 	*rbus = NULL;
224 	port = port_tc[dev];
225 	if (port == SNDRV_AUTO_PORT) {
226 		port = 0x350;
227 		if (gus->gf1.port == 0x250) {
228 			port = 0x360;
229 		}
230 		while (port <= 0x380) {
231 			if ((iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)")) != NULL)
232 				break;
233 			port += 0x10;
234 		}
235 	} else {
236 		iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
237 	}
238 	if (iwcard->i2c_res == NULL) {
239 		snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
240 		return -ENODEV;
241 	}
242 
243 	sprintf(name, "InterWave-%i", card->number);
244 	if ((err = snd_i2c_bus_create(card, name, NULL, &bus)) < 0)
245 		return err;
246 	bus->private_value = port;
247 	bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
248 	if ((err = snd_tea6330t_detect(bus, 0)) < 0)
249 		return err;
250 	*rbus = bus;
251 	return 0;
252 }
253 #endif
254 
255 static int __devinit snd_interwave_detect(struct snd_interwave *iwcard,
256 				          struct snd_gus_card * gus,
257 				          int dev
258 #ifdef SNDRV_STB
259 				          , struct snd_i2c_bus **rbus
260 #endif
261 				          )
262 {
263 	unsigned long flags;
264 	unsigned char rev1, rev2;
265 	int d;
266 
267 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
268 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
269 		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
270 		return -ENODEV;
271 	}
272 	udelay(160);
273 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
274 	udelay(160);
275 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
276 		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
277 		return -ENODEV;
278 	}
279 	spin_lock_irqsave(&gus->reg_lock, flags);
280 	rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
281 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
282 	rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
283 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
284 	spin_unlock_irqrestore(&gus->reg_lock, flags);
285 	snd_printdd("[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n", gus->gf1.port, rev1, rev2);
286 	if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
287 	    (rev1 & 0x0f) != (rev2 & 0x0f)) {
288 		snd_printdd("[0x%lx] InterWave check - passed\n", gus->gf1.port);
289 		gus->interwave = 1;
290 		strcpy(gus->card->shortname, "AMD InterWave");
291 		gus->revision = rev1 >> 4;
292 #ifndef SNDRV_STB
293 		return 0;	/* ok.. We have an InterWave board */
294 #else
295 		return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
296 #endif
297 	}
298 	snd_printdd("[0x%lx] InterWave check - failed\n", gus->gf1.port);
299 	return -ENODEV;
300 }
301 
302 static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id, struct pt_regs *regs)
303 {
304 	struct snd_interwave *iwcard = (struct snd_interwave *) dev_id;
305 	int loop, max = 5;
306 	int handled = 0;
307 
308 	do {
309 		loop = 0;
310 		if (inb(iwcard->gus_status_reg)) {
311 			handled = 1;
312 			snd_gus_interrupt(irq, iwcard->gus, regs);
313 			loop++;
314 		}
315 		if (inb(iwcard->pcm_status_reg) & 0x01) {	/* IRQ bit is set? */
316 			handled = 1;
317 			snd_cs4231_interrupt(irq, iwcard->cs4231, regs);
318 			loop++;
319 		}
320 	} while (loop && --max > 0);
321 	return IRQ_RETVAL(handled);
322 }
323 
324 static void __devinit snd_interwave_reset(struct snd_gus_card * gus)
325 {
326 	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
327 	udelay(160);
328 	snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
329 	udelay(160);
330 }
331 
332 static void __devinit snd_interwave_bank_sizes(struct snd_gus_card * gus, int *sizes)
333 {
334 	unsigned int idx;
335 	unsigned int local;
336 	unsigned char d;
337 
338 	for (idx = 0; idx < 4; idx++) {
339 		sizes[idx] = 0;
340 		d = 0x55;
341 		for (local = idx << 22;
342 		     local < (idx << 22) + 0x400000;
343 		     local += 0x40000, d++) {
344 			snd_gf1_poke(gus, local, d);
345 			snd_gf1_poke(gus, local + 1, d + 1);
346 #if 0
347 			printk("d = 0x%x, local = 0x%x, local + 1 = 0x%x, idx << 22 = 0x%x\n",
348 			       d,
349 			       snd_gf1_peek(gus, local),
350 			       snd_gf1_peek(gus, local + 1),
351 			       snd_gf1_peek(gus, idx << 22));
352 #endif
353 			if (snd_gf1_peek(gus, local) != d ||
354 			    snd_gf1_peek(gus, local + 1) != d + 1 ||
355 			    snd_gf1_peek(gus, idx << 22) != 0x55)
356 				break;
357 			sizes[idx]++;
358 		}
359 	}
360 #if 0
361 	printk("sizes: %i %i %i %i\n", sizes[0], sizes[1], sizes[2], sizes[3]);
362 #endif
363 }
364 
365 struct rom_hdr {
366 	/* 000 */ unsigned char iwave[8];
367 	/* 008 */ unsigned char rom_hdr_revision;
368 	/* 009 */ unsigned char series_number;
369 	/* 010 */ unsigned char series_name[16];
370 	/* 026 */ unsigned char date[10];
371 	/* 036 */ unsigned short vendor_revision_major;
372 	/* 038 */ unsigned short vendor_revision_minor;
373 	/* 040 */ unsigned int rom_size;
374 	/* 044 */ unsigned char copyright[128];
375 	/* 172 */ unsigned char vendor_name[64];
376 	/* 236 */ unsigned char rom_description[128];
377 	/* 364 */ unsigned char pad[147];
378 	/* 511 */ unsigned char csum;
379 };
380 
381 static void __devinit snd_interwave_detect_memory(struct snd_gus_card * gus)
382 {
383 	static unsigned int lmc[13] =
384 	{
385 		0x00000001, 0x00000101, 0x01010101, 0x00000401,
386 		0x04040401, 0x00040101, 0x04040101, 0x00000004,
387 		0x00000404, 0x04040404, 0x00000010, 0x00001010,
388 		0x10101010
389 	};
390 
391 	int bank_pos, pages;
392 	unsigned int i, lmct;
393 	int psizes[4];
394 	unsigned char iwave[8];
395 	unsigned char csum;
396 
397 	snd_interwave_reset(gus);
398 	snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);		/* enhanced mode */
399 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);	/* DRAM I/O cycles selected */
400 	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
401 	/* ok.. simple test of memory size */
402 	pages = 0;
403 	snd_gf1_poke(gus, 0, 0x55);
404 	snd_gf1_poke(gus, 1, 0xaa);
405 #if 1
406 	if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
407 #else
408 	if (0)			/* ok.. for testing of 0k RAM */
409 #endif
410 	{
411 		snd_interwave_bank_sizes(gus, psizes);
412 		lmct = (psizes[3] << 24) | (psizes[2] << 16) |
413 		    (psizes[1] << 8) | psizes[0];
414 #if 0
415 		printk("lmct = 0x%08x\n", lmct);
416 #endif
417 		for (i = 0; i < ARRAY_SIZE(lmc); i++)
418 			if (lmct == lmc[i]) {
419 #if 0
420 				printk("found !!! %i\n", i);
421 #endif
422 				snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | i);
423 				snd_interwave_bank_sizes(gus, psizes);
424 				break;
425 			}
426 		if (i >= ARRAY_SIZE(lmc) && !gus->gf1.enh_mode)
427 			 snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | 2);
428 		for (i = 0; i < 4; i++) {
429 			gus->gf1.mem_alloc.banks_8[i].address =
430 			    gus->gf1.mem_alloc.banks_16[i].address = i << 22;
431 			gus->gf1.mem_alloc.banks_8[i].size =
432 			    gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
433 			pages += psizes[i];
434 		}
435 	}
436 	pages <<= 18;
437 	gus->gf1.memory = pages;
438 
439 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03);	/* select ROM */
440 	snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
441 	gus->gf1.rom_banks = 0;
442 	gus->gf1.rom_memory = 0;
443 	for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
444 		for (i = 0; i < 8; ++i)
445 			iwave[i] = snd_gf1_peek(gus, bank_pos + i);
446 #ifdef CONFIG_SND_DEBUG_ROM
447 		printk(KERN_DEBUG "ROM at 0x%06x = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", bank_pos,
448 		       iwave[0], iwave[1], iwave[2], iwave[3],
449 		       iwave[4], iwave[5], iwave[6], iwave[7]);
450 #endif
451 		if (strncmp(iwave, "INTRWAVE", 8))
452 			continue;	/* first check */
453 		csum = 0;
454 		for (i = 0; i < sizeof(struct rom_hdr); i++)
455 			csum += snd_gf1_peek(gus, bank_pos + i);
456 #ifdef CONFIG_SND_DEBUG_ROM
457 		printk(KERN_DEBUG "ROM checksum = 0x%x (computed)\n", csum);
458 #endif
459 		if (csum != 0)
460 			continue;	/* not valid rom */
461 		gus->gf1.rom_banks++;
462 		gus->gf1.rom_present |= 1 << (bank_pos >> 22);
463 		gus->gf1.rom_memory = snd_gf1_peek(gus, bank_pos + 40) |
464 				     (snd_gf1_peek(gus, bank_pos + 41) << 8) |
465 				     (snd_gf1_peek(gus, bank_pos + 42) << 16) |
466 				     (snd_gf1_peek(gus, bank_pos + 43) << 24);
467 	}
468 #if 0
469 	if (gus->gf1.rom_memory > 0) {
470 		if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
471 			gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
472 	}
473 #endif
474 	snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00);	/* select RAM */
475 
476 	if (!gus->gf1.enh_mode)
477 		snd_interwave_reset(gus);
478 }
479 
480 static void __devinit snd_interwave_init(int dev, struct snd_gus_card * gus)
481 {
482 	unsigned long flags;
483 
484 	/* ok.. some InterWave specific initialization */
485 	spin_lock_irqsave(&gus->reg_lock, flags);
486 	snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
487 	snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
488 	snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
489 	snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
490 	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
491 	snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
492 	snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
493 	spin_unlock_irqrestore(&gus->reg_lock, flags);
494 	gus->equal_irq = 1;
495 	gus->codec_flag = 1;
496 	gus->interwave = 1;
497 	gus->max_flag = 1;
498 	gus->joystick_dac = joystick_dac[dev];
499 
500 }
501 
502 static struct snd_kcontrol_new snd_interwave_controls[] = {
503 CS4231_DOUBLE("Master Playback Switch", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
504 CS4231_DOUBLE("Master Playback Volume", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
505 CS4231_DOUBLE("Mic Playback Switch", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
506 CS4231_DOUBLE("Mic Playback Volume", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
507 };
508 
509 static int __devinit snd_interwave_mixer(struct snd_cs4231 *chip)
510 {
511 	struct snd_card *card = chip->card;
512 	struct snd_ctl_elem_id id1, id2;
513 	unsigned int idx;
514 	int err;
515 
516 	memset(&id1, 0, sizeof(id1));
517 	memset(&id2, 0, sizeof(id2));
518 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
519 #if 0
520 	/* remove mono microphone controls */
521 	strcpy(id1.name, "Mic Playback Switch");
522 	if ((err = snd_ctl_remove_id(card, &id1)) < 0)
523 		return err;
524 	strcpy(id1.name, "Mic Playback Volume");
525 	if ((err = snd_ctl_remove_id(card, &id1)) < 0)
526 		return err;
527 #endif
528 	/* add new master and mic controls */
529 	for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++)
530 		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0)
531 			return err;
532 	snd_cs4231_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
533 	snd_cs4231_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
534 	snd_cs4231_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
535 	snd_cs4231_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
536 	/* reassign AUXA to SYNTHESIZER */
537 	strcpy(id1.name, "Aux Playback Switch");
538 	strcpy(id2.name, "Synth Playback Switch");
539 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
540 		return err;
541 	strcpy(id1.name, "Aux Playback Volume");
542 	strcpy(id2.name, "Synth Playback Volume");
543 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
544 		return err;
545 	/* reassign AUXB to CD */
546 	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
547 	strcpy(id2.name, "CD Playback Switch");
548 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
549 		return err;
550 	strcpy(id1.name, "Aux Playback Volume");
551 	strcpy(id2.name, "CD Playback Volume");
552 	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
553 		return err;
554 	return 0;
555 }
556 
557 #ifdef CONFIG_PNP
558 
559 static int __devinit snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
560 				       struct pnp_card_link *card,
561 				       const struct pnp_card_device_id *id)
562 {
563 	struct pnp_dev *pdev;
564 	struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
565 	int err;
566 
567 	iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
568 	if (iwcard->dev == NULL) {
569 		kfree(cfg);
570 		return -EBUSY;
571 	}
572 #ifdef SNDRV_STB
573 	iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
574 	if (iwcard->devtc == NULL) {
575 		kfree(cfg);
576 		return -EBUSY;
577 	}
578 #endif
579 	/* Synth & Codec initialization */
580 	pdev = iwcard->dev;
581 	pnp_init_resource_table(cfg);
582 	if (port[dev] != SNDRV_AUTO_PORT) {
583 		pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
584 		pnp_resource_change(&cfg->port_resource[1], port[dev] + 0x100, 12);
585 		pnp_resource_change(&cfg->port_resource[2], port[dev] + 0x10c, 4);
586 	}
587 	if (dma1[dev] != SNDRV_AUTO_DMA)
588 		pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
589 	if (dma2[dev] != SNDRV_AUTO_DMA)
590 		pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
591 	if (dma2[dev] < 0)
592 		pnp_resource_change(&cfg->dma_resource[1], 4, 1);
593 	if (irq[dev] != SNDRV_AUTO_IRQ)
594 		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
595         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
596 		snd_printk(KERN_ERR "InterWave - Synth - the requested resources are invalid, using auto config\n");
597 	err = pnp_activate_dev(pdev);
598 	if (err < 0) {
599 		kfree(cfg);
600 		snd_printk(KERN_ERR "InterWave PnP configure failure (out of resources?)\n");
601 		return err;
602 	}
603 	if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
604 	    pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
605 		kfree(cfg);
606 		snd_printk(KERN_ERR "PnP configure failure (wrong ports)\n");
607 		return -ENOENT;
608 	}
609 	port[dev] = pnp_port_start(pdev, 0);
610 	dma1[dev] = pnp_dma(pdev, 0);
611 	if (dma2[dev] >= 0)
612 		dma2[dev] = pnp_dma(pdev, 1);
613 	irq[dev] = pnp_irq(pdev, 0);
614 	snd_printdd("isapnp IW: sb port=0x%lx, gf1 port=0x%lx, codec port=0x%lx\n",
615 				pnp_port_start(pdev, 0),
616 				pnp_port_start(pdev, 1),
617 				pnp_port_start(pdev, 2));
618 	snd_printdd("isapnp IW: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
619 #ifdef SNDRV_STB
620 	/* Tone Control initialization */
621 	pdev = iwcard->devtc;
622 	pnp_init_resource_table(cfg);
623 	if (port_tc[dev] != SNDRV_AUTO_PORT)
624 		pnp_resource_change(&cfg->port_resource[0], port_tc[dev], 1);
625         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
626 		snd_printk(KERN_ERR "InterWave - ToneControl - the requested resources are invalid, using auto config\n");
627 	err = pnp_activate_dev(pdev);
628 	if (err < 0) {
629 		kfree(cfg);
630 		snd_printk(KERN_ERR "InterWave ToneControl PnP configure failure (out of resources?)\n");
631 		return err;
632 	}
633 	port_tc[dev] = pnp_port_start(pdev, 0);
634 	snd_printdd("isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
635 #endif
636 	kfree(cfg);
637 	return 0;
638 }
639 #endif /* CONFIG_PNP */
640 
641 static void snd_interwave_free(struct snd_card *card)
642 {
643 	struct snd_interwave *iwcard = card->private_data;
644 
645 	if (iwcard == NULL)
646 		return;
647 #ifdef SNDRV_STB
648 	release_and_free_resource(iwcard->i2c_res);
649 #endif
650 	if (iwcard->irq >= 0)
651 		free_irq(iwcard->irq, (void *)iwcard);
652 }
653 
654 static struct snd_card *snd_interwave_card_new(int dev)
655 {
656 	struct snd_card *card;
657 	struct snd_interwave *iwcard;
658 
659 	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
660 			    sizeof(struct snd_interwave));
661 	if (card == NULL)
662 		return NULL;
663 	iwcard = card->private_data;
664 	iwcard->card = card;
665 	iwcard->irq = -1;
666 	card->private_free = snd_interwave_free;
667 	return card;
668 }
669 
670 static int __devinit snd_interwave_probe(struct snd_card *card, int dev)
671 {
672 	int xirq, xdma1, xdma2;
673 	struct snd_interwave *iwcard = card->private_data;
674 	struct snd_cs4231 *cs4231;
675 	struct snd_gus_card *gus;
676 #ifdef SNDRV_STB
677 	struct snd_i2c_bus *i2c_bus;
678 #endif
679 	struct snd_pcm *pcm;
680 	char *str;
681 	int err;
682 
683 	xirq = irq[dev];
684 	xdma1 = dma1[dev];
685 	xdma2 = dma2[dev];
686 
687 	if ((err = snd_gus_create(card,
688 				  port[dev],
689 				  -xirq, xdma1, xdma2,
690 				  0, 32,
691 				  pcm_channels[dev], effect[dev], &gus)) < 0)
692 		return err;
693 
694 	if ((err = snd_interwave_detect(iwcard, gus, dev
695 #ifdef SNDRV_STB
696             , &i2c_bus
697 #endif
698 	    )) < 0)
699 		return err;
700 
701 	iwcard->gus_status_reg = gus->gf1.reg_irqstat;
702 	iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
703 
704 	snd_interwave_init(dev, gus);
705 	snd_interwave_detect_memory(gus);
706 	if ((err = snd_gus_initialize(gus)) < 0)
707 		return err;
708 
709 	if (request_irq(xirq, snd_interwave_interrupt, SA_INTERRUPT,
710 			"InterWave", iwcard)) {
711 		snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
712 		return -EBUSY;
713 	}
714 	iwcard->irq = xirq;
715 
716 	if ((err = snd_cs4231_create(card,
717 				     gus->gf1.port + 0x10c, -1, xirq,
718 				     xdma2 < 0 ? xdma1 : xdma2, xdma1,
719 				     CS4231_HW_INTERWAVE,
720 				     CS4231_HWSHARE_IRQ |
721 				     CS4231_HWSHARE_DMA1 |
722 				     CS4231_HWSHARE_DMA2,
723 				     &cs4231)) < 0)
724 		return err;
725 
726 	if ((err = snd_cs4231_pcm(cs4231, 0, &pcm)) < 0)
727 		return err;
728 
729 	sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A');
730 	strcat(pcm->name, " (codec)");
731 
732 	if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
733 		return err;
734 
735 	if ((err = snd_cs4231_mixer(cs4231)) < 0)
736 		return err;
737 
738 	if (pcm_channels[dev] > 0) {
739 		if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
740 			return err;
741 	}
742 	if ((err = snd_interwave_mixer(cs4231)) < 0)
743 		return err;
744 
745 #ifdef SNDRV_STB
746 	{
747 		struct snd_ctl_elem_id id1, id2;
748 		memset(&id1, 0, sizeof(id1));
749 		memset(&id2, 0, sizeof(id2));
750 		id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
751 		strcpy(id1.name, "Master Playback Switch");
752 		strcpy(id2.name, id1.name);
753 		id2.index = 1;
754 		if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
755 			return err;
756 		strcpy(id1.name, "Master Playback Volume");
757 		strcpy(id2.name, id1.name);
758 		if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
759 			return err;
760 		if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0)
761 			return err;
762 	}
763 #endif
764 
765 	gus->uart_enable = midi[dev];
766 	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
767 		return err;
768 
769 #ifndef SNDRV_STB
770 	str = "AMD InterWave";
771 	if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
772 		str = "Dynasonic 3-D";
773 #else
774 	str = "InterWave STB";
775 #endif
776 	strcpy(card->driver, str);
777 	strcpy(card->shortname, str);
778 	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
779 		str,
780 		gus->gf1.port,
781 		xirq,
782 		xdma1);
783 	if (xdma2 >= 0)
784 		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
785 
786 	if ((err = snd_card_register(card)) < 0)
787 		return err;
788 
789 	iwcard->cs4231 = cs4231;
790 	iwcard->gus = gus;
791 	return 0;
792 }
793 
794 static int __init snd_interwave_nonpnp_probe1(int dev, struct platform_device *devptr)
795 {
796 	struct snd_card *card;
797 	int err;
798 
799 	card = snd_interwave_card_new(dev);
800 	if (! card)
801 		return -ENOMEM;
802 
803 	snd_card_set_dev(card, &devptr->dev);
804 	if ((err = snd_interwave_probe(card, dev)) < 0) {
805 		snd_card_free(card);
806 		return err;
807 	}
808 	platform_set_drvdata(devptr, card);
809 	return 0;
810 }
811 
812 static int __init snd_interwave_nonpnp_probe(struct platform_device *pdev)
813 {
814 	int dev = pdev->id;
815 	int err;
816 	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
817 	static int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
818 
819 	if (irq[dev] == SNDRV_AUTO_IRQ) {
820 		if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
821 			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
822 			return -EBUSY;
823 		}
824 	}
825 	if (dma1[dev] == SNDRV_AUTO_DMA) {
826 		if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
827 			snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
828 			return -EBUSY;
829 		}
830 	}
831 	if (dma2[dev] == SNDRV_AUTO_DMA) {
832 		if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
833 			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
834 			return -EBUSY;
835 		}
836 	}
837 
838 	if (port[dev] != SNDRV_AUTO_PORT)
839 		return snd_interwave_nonpnp_probe1(dev, pdev);
840 	else {
841 		static long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
842 		int i;
843 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
844 			port[dev] = possible_ports[i];
845 			err = snd_interwave_nonpnp_probe1(dev, pdev);
846 			if (! err)
847 				return 0;
848 		}
849 		return err;
850 	}
851 }
852 
853 static int __devexit snd_interwave_nonpnp_remove(struct platform_device *devptr)
854 {
855 	snd_card_free(platform_get_drvdata(devptr));
856 	platform_set_drvdata(devptr, NULL);
857 	return 0;
858 }
859 
860 static struct platform_driver snd_interwave_driver = {
861 	.probe		= snd_interwave_nonpnp_probe,
862 	.remove		= __devexit_p(snd_interwave_nonpnp_remove),
863 	/* FIXME: suspend,resume */
864 	.driver		= {
865 		.name	= INTERWAVE_DRIVER
866 	},
867 };
868 
869 #ifdef CONFIG_PNP
870 
871 static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *pcard,
872 					      const struct pnp_card_device_id *pid)
873 {
874 	static int dev;
875 	struct snd_card *card;
876 	int res;
877 
878 	for ( ; dev < SNDRV_CARDS; dev++) {
879 		if (enable[dev] && isapnp[dev])
880 			break;
881 	}
882 	if (dev >= SNDRV_CARDS)
883 		return -ENODEV;
884 
885 	card = snd_interwave_card_new(dev);
886 	if (! card)
887 		return -ENOMEM;
888 
889 	if ((res = snd_interwave_pnp(dev, card->private_data, pcard, pid)) < 0) {
890 		snd_card_free(card);
891 		return res;
892 	}
893 	snd_card_set_dev(card, &pcard->card->dev);
894 	if ((res = snd_interwave_probe(card, dev)) < 0) {
895 		snd_card_free(card);
896 		return res;
897 	}
898 	pnp_set_card_drvdata(pcard, card);
899 	dev++;
900 	return 0;
901 }
902 
903 static void __devexit snd_interwave_pnp_remove(struct pnp_card_link * pcard)
904 {
905 	snd_card_free(pnp_get_card_drvdata(pcard));
906 	pnp_set_card_drvdata(pcard, NULL);
907 }
908 
909 static struct pnp_card_driver interwave_pnpc_driver = {
910 	.flags = PNP_DRIVER_RES_DISABLE,
911 	.name = INTERWAVE_PNP_DRIVER,
912 	.id_table = snd_interwave_pnpids,
913 	.probe = snd_interwave_pnp_detect,
914 	.remove = __devexit_p(snd_interwave_pnp_remove),
915 	/* FIXME: suspend,resume */
916 };
917 
918 #endif /* CONFIG_PNP */
919 
920 static void __init_or_module snd_interwave_unregister_all(void)
921 {
922 	int i;
923 
924 	if (pnp_registered)
925 		pnp_unregister_card_driver(&interwave_pnpc_driver);
926 	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
927 		platform_device_unregister(platform_devices[i]);
928 	platform_driver_unregister(&snd_interwave_driver);
929 }
930 
931 static int __init alsa_card_interwave_init(void)
932 {
933 	int i, err, cards = 0;
934 
935 	if ((err = platform_driver_register(&snd_interwave_driver)) < 0)
936 		return err;
937 
938 	for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
939 		struct platform_device *device;
940 #ifdef CONFIG_PNP
941 		if (isapnp[i])
942 			continue;
943 #endif
944 		device = platform_device_register_simple(INTERWAVE_DRIVER,
945 							 i, NULL, 0);
946 		if (IS_ERR(device)) {
947 			err = PTR_ERR(device);
948 			goto errout;
949 		}
950 		platform_devices[i] = device;
951 		cards++;
952 	}
953 
954 	/* ISA PnP cards */
955 	i = pnp_register_card_driver(&interwave_pnpc_driver);
956 	if (i >= 0) {
957 		pnp_registered = 1;
958 		cards += i;
959 	}
960 
961 	if (!cards) {
962 #ifdef MODULE
963 		printk(KERN_ERR "InterWave soundcard not found or device busy\n");
964 #endif
965 		err = -ENODEV;
966 		goto errout;
967 	}
968 	return 0;
969 
970  errout:
971 	snd_interwave_unregister_all();
972 	return err;
973 }
974 
975 static void __exit alsa_card_interwave_exit(void)
976 {
977 	snd_interwave_unregister_all();
978 }
979 
980 module_init(alsa_card_interwave_init)
981 module_exit(alsa_card_interwave_exit)
982