xref: /openbmc/linux/sound/isa/opl3sa2.c (revision 0cb29ea0)
1 /*
2  *  Driver for Yamaha OPL3-SA[2,3] soundcards
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  */
21 
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/err.h>
25 #include <linux/platform_device.h>
26 #include <linux/interrupt.h>
27 #include <linux/pm.h>
28 #include <linux/slab.h>
29 #include <linux/pnp.h>
30 #include <linux/moduleparam.h>
31 #include <sound/core.h>
32 #include <sound/cs4231.h>
33 #include <sound/mpu401.h>
34 #include <sound/opl3.h>
35 #include <sound/initval.h>
36 #include <sound/tlv.h>
37 
38 #include <asm/io.h>
39 
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Yamaha OPL3SA2+");
42 MODULE_LICENSE("GPL");
43 MODULE_SUPPORTED_DEVICE("{{Yamaha,YMF719E-S},"
44 		"{Genius,Sound Maker 3DX},"
45 		"{Yamaha,OPL3SA3},"
46 		"{Intel,AL440LX sound},"
47 	        "{NeoMagic,MagicWave 3DX}}");
48 
49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
52 #ifdef CONFIG_PNP
53 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
54 #endif
55 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0xf86,0x370,0x100 */
56 static long sb_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
57 static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* 0x530,0xe80,0xf40,0x604 */
58 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x388 */
59 static long midi_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;/* 0x330,0x300 */
60 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 0,1,3,5,9,11,12,15 */
61 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
62 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
63 static int opl3sa3_ymode[SNDRV_CARDS];   /* 0,1,2,3 */ /*SL Added*/
64 
65 module_param_array(index, int, NULL, 0444);
66 MODULE_PARM_DESC(index, "Index value for OPL3-SA soundcard.");
67 module_param_array(id, charp, NULL, 0444);
68 MODULE_PARM_DESC(id, "ID string for OPL3-SA soundcard.");
69 module_param_array(enable, bool, NULL, 0444);
70 MODULE_PARM_DESC(enable, "Enable OPL3-SA soundcard.");
71 #ifdef CONFIG_PNP
72 module_param_array(isapnp, bool, NULL, 0444);
73 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
74 #endif
75 module_param_array(port, long, NULL, 0444);
76 MODULE_PARM_DESC(port, "Port # for OPL3-SA driver.");
77 module_param_array(sb_port, long, NULL, 0444);
78 MODULE_PARM_DESC(sb_port, "SB port # for OPL3-SA driver.");
79 module_param_array(wss_port, long, NULL, 0444);
80 MODULE_PARM_DESC(wss_port, "WSS port # for OPL3-SA driver.");
81 module_param_array(fm_port, long, NULL, 0444);
82 MODULE_PARM_DESC(fm_port, "FM port # for OPL3-SA driver.");
83 module_param_array(midi_port, long, NULL, 0444);
84 MODULE_PARM_DESC(midi_port, "MIDI port # for OPL3-SA driver.");
85 module_param_array(irq, int, NULL, 0444);
86 MODULE_PARM_DESC(irq, "IRQ # for OPL3-SA driver.");
87 module_param_array(dma1, int, NULL, 0444);
88 MODULE_PARM_DESC(dma1, "DMA1 # for OPL3-SA driver.");
89 module_param_array(dma2, int, NULL, 0444);
90 MODULE_PARM_DESC(dma2, "DMA2 # for OPL3-SA driver.");
91 module_param_array(opl3sa3_ymode, int, NULL, 0444);
92 MODULE_PARM_DESC(opl3sa3_ymode, "Speaker size selection for 3D Enhancement mode: Desktop/Large Notebook/Small Notebook/HiFi.");
93 
94 static struct platform_device *platform_devices[SNDRV_CARDS];
95 #ifdef CONFIG_PNP
96 static int pnp_registered;
97 static int pnpc_registered;
98 #endif
99 static unsigned int snd_opl3sa2_devices;
100 
101 /* control ports */
102 #define OPL3SA2_PM_CTRL		0x01
103 #define OPL3SA2_SYS_CTRL		0x02
104 #define OPL3SA2_IRQ_CONFIG	0x03
105 #define OPL3SA2_IRQ_STATUS	0x04
106 #define OPL3SA2_DMA_CONFIG	0x06
107 #define OPL3SA2_MASTER_LEFT	0x07
108 #define OPL3SA2_MASTER_RIGHT	0x08
109 #define OPL3SA2_MIC		0x09
110 #define OPL3SA2_MISC		0x0A
111 
112 /* opl3sa3 only */
113 #define OPL3SA3_DGTL_DOWN	0x12
114 #define OPL3SA3_ANLG_DOWN	0x13
115 #define OPL3SA3_WIDE		0x14
116 #define OPL3SA3_BASS		0x15
117 #define OPL3SA3_TREBLE		0x16
118 
119 /* power management bits */
120 #define OPL3SA2_PM_ADOWN		0x20
121 #define OPL3SA2_PM_PSV		0x04
122 #define OPL3SA2_PM_PDN		0x02
123 #define OPL3SA2_PM_PDX		0x01
124 
125 #define OPL3SA2_PM_D0	0x00
126 #define OPL3SA2_PM_D3	(OPL3SA2_PM_ADOWN|OPL3SA2_PM_PSV|OPL3SA2_PM_PDN|OPL3SA2_PM_PDX)
127 
128 struct snd_opl3sa2 {
129 	struct snd_card *card;
130 	int version;		/* 2 or 3 */
131 	unsigned long port;	/* control port */
132 	struct resource *res_port; /* control port resource */
133 	int irq;
134 	int single_dma;
135 	spinlock_t reg_lock;
136 	struct snd_hwdep *synth;
137 	struct snd_rawmidi *rmidi;
138 	struct snd_cs4231 *cs4231;
139 	unsigned char ctlregs[0x20];
140 	int ymode;		/* SL added */
141 	struct snd_kcontrol *master_switch;
142 	struct snd_kcontrol *master_volume;
143 };
144 
145 #define PFX	"opl3sa2: "
146 
147 #ifdef CONFIG_PNP
148 
149 static struct pnp_device_id snd_opl3sa2_pnpbiosids[] = {
150 	{ .id = "YMH0021" },
151 	{ .id = "NMX2210" },	/* Gateway Solo 2500 */
152 	{ .id = "" }		/* end */
153 };
154 
155 MODULE_DEVICE_TABLE(pnp, snd_opl3sa2_pnpbiosids);
156 
157 static struct pnp_card_device_id snd_opl3sa2_pnpids[] = {
158 	/* Yamaha YMF719E-S (Genius Sound Maker 3DX) */
159 	{ .id = "YMH0020", .devs = { { "YMH0021" } } },
160 	/* Yamaha OPL3-SA3 (integrated on Intel's Pentium II AL440LX motherboard) */
161 	{ .id = "YMH0030", .devs = { { "YMH0021" } } },
162 	/* Yamaha OPL3-SA2 */
163 	{ .id = "YMH0800", .devs = { { "YMH0021" } } },
164 	/* Yamaha OPL3-SA2 */
165 	{ .id = "YMH0801", .devs = { { "YMH0021" } } },
166 	/* NeoMagic MagicWave 3DX */
167 	{ .id = "NMX2200", .devs = { { "YMH2210" } } },
168 	/* --- */
169 	{ .id = "" }	/* end */
170 };
171 
172 MODULE_DEVICE_TABLE(pnp_card, snd_opl3sa2_pnpids);
173 
174 #endif /* CONFIG_PNP */
175 
176 
177 /* read control port (w/o spinlock) */
178 static unsigned char __snd_opl3sa2_read(struct snd_opl3sa2 *chip, unsigned char reg)
179 {
180 	unsigned char result;
181 #if 0
182 	outb(0x1d, port);	/* password */
183 	printk("read [0x%lx] = 0x%x\n", port, inb(port));
184 #endif
185 	outb(reg, chip->port);	/* register */
186 	result = inb(chip->port + 1);
187 #if 0
188 	printk("read [0x%lx] = 0x%x [0x%x]\n", port, result, inb(port));
189 #endif
190 	return result;
191 }
192 
193 /* read control port (with spinlock) */
194 static unsigned char snd_opl3sa2_read(struct snd_opl3sa2 *chip, unsigned char reg)
195 {
196 	unsigned long flags;
197 	unsigned char result;
198 
199 	spin_lock_irqsave(&chip->reg_lock, flags);
200 	result = __snd_opl3sa2_read(chip, reg);
201 	spin_unlock_irqrestore(&chip->reg_lock, flags);
202 	return result;
203 }
204 
205 /* write control port (w/o spinlock) */
206 static void __snd_opl3sa2_write(struct snd_opl3sa2 *chip, unsigned char reg, unsigned char value)
207 {
208 #if 0
209 	outb(0x1d, port);	/* password */
210 #endif
211 	outb(reg, chip->port);	/* register */
212 	outb(value, chip->port + 1);
213 	chip->ctlregs[reg] = value;
214 }
215 
216 /* write control port (with spinlock) */
217 static void snd_opl3sa2_write(struct snd_opl3sa2 *chip, unsigned char reg, unsigned char value)
218 {
219 	unsigned long flags;
220 	spin_lock_irqsave(&chip->reg_lock, flags);
221 	__snd_opl3sa2_write(chip, reg, value);
222 	spin_unlock_irqrestore(&chip->reg_lock, flags);
223 }
224 
225 static int __devinit snd_opl3sa2_detect(struct snd_opl3sa2 *chip)
226 {
227 	struct snd_card *card;
228 	unsigned long port;
229 	unsigned char tmp, tmp1;
230 	char str[2];
231 
232 	card = chip->card;
233 	port = chip->port;
234 	if ((chip->res_port = request_region(port, 2, "OPL3-SA control")) == NULL) {
235 		snd_printk(KERN_ERR PFX "can't grab port 0x%lx\n", port);
236 		return -EBUSY;
237 	}
238 	// snd_printk("REG 0A = 0x%x\n", snd_opl3sa2_read(chip, 0x0a));
239 	chip->version = 0;
240 	tmp = snd_opl3sa2_read(chip, OPL3SA2_MISC);
241 	if (tmp == 0xff) {
242 		snd_printd("OPL3-SA [0x%lx] detect = 0x%x\n", port, tmp);
243 		return -ENODEV;
244 	}
245 	switch (tmp & 0x07) {
246 	case 0x01:
247 		chip->version = 2; /* YMF711 */
248 		break;
249 	default:
250 		chip->version = 3;
251 		/* 0x02 - standard */
252 		/* 0x03 - YM715B */
253 		/* 0x04 - YM719 - OPL-SA4? */
254 		/* 0x05 - OPL3-SA3 - Libretto 100 */
255 		break;
256 	}
257 	str[0] = chip->version + '0';
258 	str[1] = 0;
259 	strcat(card->shortname, str);
260 	snd_opl3sa2_write(chip, OPL3SA2_MISC, tmp ^ 7);
261 	if ((tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MISC)) != tmp) {
262 		snd_printd("OPL3-SA [0x%lx] detect (1) = 0x%x (0x%x)\n", port, tmp, tmp1);
263 		return -ENODEV;
264 	}
265 	/* try if the MIC register is accesible */
266 	tmp = snd_opl3sa2_read(chip, OPL3SA2_MIC);
267 	snd_opl3sa2_write(chip, OPL3SA2_MIC, 0x8a);
268 	if (((tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MIC)) & 0x9f) != 0x8a) {
269 		snd_printd("OPL3-SA [0x%lx] detect (2) = 0x%x (0x%x)\n", port, tmp, tmp1);
270 		return -ENODEV;
271 	}
272 	snd_opl3sa2_write(chip, OPL3SA2_MIC, 0x9f);
273 	/* initialization */
274 	/* Power Management - full on */
275 	snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D0);
276 	if (chip->version > 2) {
277 		/* ymode is bits 4&5 (of 0 to 7) on all but opl3sa2 versions */
278 		snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, (chip->ymode << 4));
279 	} else {
280 		/* default for opl3sa2 versions */
281 		snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, 0x00);
282 	}
283 	snd_opl3sa2_write(chip, OPL3SA2_IRQ_CONFIG, 0x0d);	/* Interrupt Channel Configuration - IRQ A = OPL3 + MPU + WSS */
284 	if (chip->single_dma) {
285 		snd_opl3sa2_write(chip, OPL3SA2_DMA_CONFIG, 0x03);	/* DMA Configuration - DMA A = WSS-R + WSS-P */
286 	} else {
287 		snd_opl3sa2_write(chip, OPL3SA2_DMA_CONFIG, 0x21);	/* DMA Configuration - DMA B = WSS-R, DMA A = WSS-P */
288 	}
289 	snd_opl3sa2_write(chip, OPL3SA2_MISC, 0x80 | (tmp & 7));	/* Miscellaneous - default */
290 	if (chip->version > 2) {
291 		snd_opl3sa2_write(chip, OPL3SA3_DGTL_DOWN, 0x00);	/* Digital Block Partial Power Down - default */
292 		snd_opl3sa2_write(chip, OPL3SA3_ANLG_DOWN, 0x00);	/* Analog Block Partial Power Down - default */
293 	}
294 	return 0;
295 }
296 
297 static irqreturn_t snd_opl3sa2_interrupt(int irq, void *dev_id)
298 {
299 	unsigned short status;
300 	struct snd_opl3sa2 *chip = dev_id;
301 	int handled = 0;
302 
303 	if (chip == NULL || chip->card == NULL)
304 		return IRQ_NONE;
305 
306 	status = snd_opl3sa2_read(chip, OPL3SA2_IRQ_STATUS);
307 
308 	if (status & 0x20) {
309 		handled = 1;
310 		snd_opl3_interrupt(chip->synth);
311 	}
312 
313 	if ((status & 0x10) && chip->rmidi != NULL) {
314 		handled = 1;
315 		snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
316 	}
317 
318 	if (status & 0x07) {	/* TI,CI,PI */
319 		handled = 1;
320 		snd_cs4231_interrupt(irq, chip->cs4231);
321 	}
322 
323 	if (status & 0x40) { /* hardware volume change */
324 		handled = 1;
325 		/* reading from Master Lch register at 0x07 clears this bit */
326 		snd_opl3sa2_read(chip, OPL3SA2_MASTER_RIGHT);
327 		snd_opl3sa2_read(chip, OPL3SA2_MASTER_LEFT);
328 		if (chip->master_switch && chip->master_volume) {
329 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_switch->id);
330 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_volume->id);
331 		}
332 	}
333 	return IRQ_RETVAL(handled);
334 }
335 
336 #define OPL3SA2_SINGLE(xname, xindex, reg, shift, mask, invert) \
337 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
338   .info = snd_opl3sa2_info_single, \
339   .get = snd_opl3sa2_get_single, .put = snd_opl3sa2_put_single, \
340   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
341 #define OPL3SA2_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
342 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
343   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
344   .name = xname, .index = xindex, \
345   .info = snd_opl3sa2_info_single, \
346   .get = snd_opl3sa2_get_single, .put = snd_opl3sa2_put_single, \
347   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
348   .tlv = { .p = (xtlv) } }
349 
350 static int snd_opl3sa2_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
351 {
352 	int mask = (kcontrol->private_value >> 16) & 0xff;
353 
354 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
355 	uinfo->count = 1;
356 	uinfo->value.integer.min = 0;
357 	uinfo->value.integer.max = mask;
358 	return 0;
359 }
360 
361 static int snd_opl3sa2_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
362 {
363 	struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
364 	unsigned long flags;
365 	int reg = kcontrol->private_value & 0xff;
366 	int shift = (kcontrol->private_value >> 8) & 0xff;
367 	int mask = (kcontrol->private_value >> 16) & 0xff;
368 	int invert = (kcontrol->private_value >> 24) & 0xff;
369 
370 	spin_lock_irqsave(&chip->reg_lock, flags);
371 	ucontrol->value.integer.value[0] = (chip->ctlregs[reg] >> shift) & mask;
372 	spin_unlock_irqrestore(&chip->reg_lock, flags);
373 	if (invert)
374 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
375 	return 0;
376 }
377 
378 static int snd_opl3sa2_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
379 {
380 	struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
381 	unsigned long flags;
382 	int reg = kcontrol->private_value & 0xff;
383 	int shift = (kcontrol->private_value >> 8) & 0xff;
384 	int mask = (kcontrol->private_value >> 16) & 0xff;
385 	int invert = (kcontrol->private_value >> 24) & 0xff;
386 	int change;
387 	unsigned short val, oval;
388 
389 	val = (ucontrol->value.integer.value[0] & mask);
390 	if (invert)
391 		val = mask - val;
392 	val <<= shift;
393 	spin_lock_irqsave(&chip->reg_lock, flags);
394 	oval = chip->ctlregs[reg];
395 	val = (oval & ~(mask << shift)) | val;
396 	change = val != oval;
397 	__snd_opl3sa2_write(chip, reg, val);
398 	spin_unlock_irqrestore(&chip->reg_lock, flags);
399 	return change;
400 }
401 
402 #define OPL3SA2_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
403 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
404   .info = snd_opl3sa2_info_double, \
405   .get = snd_opl3sa2_get_double, .put = snd_opl3sa2_put_double, \
406   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
407 #define OPL3SA2_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
408 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
409   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
410   .name = xname, .index = xindex, \
411   .info = snd_opl3sa2_info_double, \
412   .get = snd_opl3sa2_get_double, .put = snd_opl3sa2_put_double, \
413   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22), \
414   .tlv = { .p = (xtlv) } }
415 
416 static int snd_opl3sa2_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
417 {
418 	int mask = (kcontrol->private_value >> 24) & 0xff;
419 
420 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
421 	uinfo->count = 2;
422 	uinfo->value.integer.min = 0;
423 	uinfo->value.integer.max = mask;
424 	return 0;
425 }
426 
427 static int snd_opl3sa2_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
428 {
429 	struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
430 	unsigned long flags;
431 	int left_reg = kcontrol->private_value & 0xff;
432 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
433 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
434 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
435 	int mask = (kcontrol->private_value >> 24) & 0xff;
436 	int invert = (kcontrol->private_value >> 22) & 1;
437 
438 	spin_lock_irqsave(&chip->reg_lock, flags);
439 	ucontrol->value.integer.value[0] = (chip->ctlregs[left_reg] >> shift_left) & mask;
440 	ucontrol->value.integer.value[1] = (chip->ctlregs[right_reg] >> shift_right) & mask;
441 	spin_unlock_irqrestore(&chip->reg_lock, flags);
442 	if (invert) {
443 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
444 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
445 	}
446 	return 0;
447 }
448 
449 static int snd_opl3sa2_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
450 {
451 	struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
452 	unsigned long flags;
453 	int left_reg = kcontrol->private_value & 0xff;
454 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
455 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
456 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
457 	int mask = (kcontrol->private_value >> 24) & 0xff;
458 	int invert = (kcontrol->private_value >> 22) & 1;
459 	int change;
460 	unsigned short val1, val2, oval1, oval2;
461 
462 	val1 = ucontrol->value.integer.value[0] & mask;
463 	val2 = ucontrol->value.integer.value[1] & mask;
464 	if (invert) {
465 		val1 = mask - val1;
466 		val2 = mask - val2;
467 	}
468 	val1 <<= shift_left;
469 	val2 <<= shift_right;
470 	spin_lock_irqsave(&chip->reg_lock, flags);
471 	if (left_reg != right_reg) {
472 		oval1 = chip->ctlregs[left_reg];
473 		oval2 = chip->ctlregs[right_reg];
474 		val1 = (oval1 & ~(mask << shift_left)) | val1;
475 		val2 = (oval2 & ~(mask << shift_right)) | val2;
476 		change = val1 != oval1 || val2 != oval2;
477 		__snd_opl3sa2_write(chip, left_reg, val1);
478 		__snd_opl3sa2_write(chip, right_reg, val2);
479 	} else {
480 		oval1 = chip->ctlregs[left_reg];
481 		val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
482 		change = val1 != oval1;
483 		__snd_opl3sa2_write(chip, left_reg, val1);
484 	}
485 	spin_unlock_irqrestore(&chip->reg_lock, flags);
486 	return change;
487 }
488 
489 static const DECLARE_TLV_DB_SCALE(db_scale_master, -3000, 200, 0);
490 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
491 
492 static struct snd_kcontrol_new snd_opl3sa2_controls[] = {
493 OPL3SA2_DOUBLE("Master Playback Switch", 0, 0x07, 0x08, 7, 7, 1, 1),
494 OPL3SA2_DOUBLE_TLV("Master Playback Volume", 0, 0x07, 0x08, 0, 0, 15, 1,
495 		   db_scale_master),
496 OPL3SA2_SINGLE("Mic Playback Switch", 0, 0x09, 7, 1, 1),
497 OPL3SA2_SINGLE_TLV("Mic Playback Volume", 0, 0x09, 0, 31, 1,
498 		   db_scale_5bit_12db_max),
499 };
500 
501 static struct snd_kcontrol_new snd_opl3sa2_tone_controls[] = {
502 OPL3SA2_DOUBLE("3D Control - Wide", 0, 0x14, 0x14, 4, 0, 7, 0),
503 OPL3SA2_DOUBLE("Tone Control - Bass", 0, 0x15, 0x15, 4, 0, 7, 0),
504 OPL3SA2_DOUBLE("Tone Control - Treble", 0, 0x16, 0x16, 4, 0, 7, 0)
505 };
506 
507 static void snd_opl3sa2_master_free(struct snd_kcontrol *kcontrol)
508 {
509 	struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
510 	chip->master_switch = NULL;
511 	chip->master_volume = NULL;
512 }
513 
514 static int __devinit snd_opl3sa2_mixer(struct snd_opl3sa2 *chip)
515 {
516 	struct snd_card *card = chip->card;
517 	struct snd_ctl_elem_id id1, id2;
518 	struct snd_kcontrol *kctl;
519 	unsigned int idx;
520 	int err;
521 
522 	memset(&id1, 0, sizeof(id1));
523 	memset(&id2, 0, sizeof(id2));
524 	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
525 	/* reassign AUX0 to CD */
526         strcpy(id1.name, "Aux Playback Switch");
527         strcpy(id2.name, "CD Playback Switch");
528         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
529 		snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
530                 return err;
531 	}
532         strcpy(id1.name, "Aux Playback Volume");
533         strcpy(id2.name, "CD Playback Volume");
534         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
535 		snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
536                 return err;
537 	}
538 	/* reassign AUX1 to FM */
539         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
540         strcpy(id2.name, "FM Playback Switch");
541         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
542 		snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
543                 return err;
544 	}
545         strcpy(id1.name, "Aux Playback Volume");
546         strcpy(id2.name, "FM Playback Volume");
547         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
548 		snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
549                 return err;
550 	}
551 	/* add OPL3SA2 controls */
552 	for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_controls); idx++) {
553 		if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_opl3sa2_controls[idx], chip))) < 0)
554 			return err;
555 		switch (idx) {
556 		case 0: chip->master_switch = kctl; kctl->private_free = snd_opl3sa2_master_free; break;
557 		case 1: chip->master_volume = kctl; kctl->private_free = snd_opl3sa2_master_free; break;
558 		}
559 	}
560 	if (chip->version > 2) {
561 		for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_tone_controls); idx++)
562 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opl3sa2_tone_controls[idx], chip))) < 0)
563 				return err;
564 	}
565 	return 0;
566 }
567 
568 /* Power Management support functions */
569 #ifdef CONFIG_PM
570 static int snd_opl3sa2_suspend(struct snd_card *card, pm_message_t state)
571 {
572 	struct snd_opl3sa2 *chip = card->private_data;
573 
574 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
575 	chip->cs4231->suspend(chip->cs4231);
576 	/* power down */
577 	snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D3);
578 
579 	return 0;
580 }
581 
582 static int snd_opl3sa2_resume(struct snd_card *card)
583 {
584 	struct snd_opl3sa2 *chip = card->private_data;
585 	int i;
586 
587 	/* power up */
588 	snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D0);
589 
590 	/* restore registers */
591 	for (i = 2; i <= 0x0a; i++) {
592 		if (i != OPL3SA2_IRQ_STATUS)
593 			snd_opl3sa2_write(chip, i, chip->ctlregs[i]);
594 	}
595 	if (chip->version > 2) {
596 		for (i = 0x12; i <= 0x16; i++)
597 			snd_opl3sa2_write(chip, i, chip->ctlregs[i]);
598 	}
599 	/* restore cs4231 */
600 	chip->cs4231->resume(chip->cs4231);
601 
602 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
603 	return 0;
604 }
605 #endif /* CONFIG_PM */
606 
607 #ifdef CONFIG_PNP
608 static int __devinit snd_opl3sa2_pnp(int dev, struct snd_opl3sa2 *chip,
609 				     struct pnp_dev *pdev)
610 {
611 	struct pnp_resource_table * cfg;
612 	int err;
613 
614 	cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
615 	if (!cfg) {
616 		snd_printk(KERN_ERR PFX "cannot allocate pnp cfg\n");
617 		return -ENOMEM;
618 	}
619 	/* PnP initialization */
620 	pnp_init_resource_table(cfg);
621 	if (sb_port[dev] != SNDRV_AUTO_PORT)
622 		pnp_resource_change(&cfg->port_resource[0], sb_port[dev], 16);
623 	if (wss_port[dev] != SNDRV_AUTO_PORT)
624 		pnp_resource_change(&cfg->port_resource[1], wss_port[dev], 8);
625 	if (fm_port[dev] != SNDRV_AUTO_PORT)
626 		pnp_resource_change(&cfg->port_resource[2], fm_port[dev], 4);
627 	if (midi_port[dev] != SNDRV_AUTO_PORT)
628 		pnp_resource_change(&cfg->port_resource[3], midi_port[dev], 2);
629 	if (port[dev] != SNDRV_AUTO_PORT)
630 		pnp_resource_change(&cfg->port_resource[4], port[dev], 2);
631 	if (dma1[dev] != SNDRV_AUTO_DMA)
632 		pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
633 	if (dma2[dev] != SNDRV_AUTO_DMA)
634 		pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
635 	if (irq[dev] != SNDRV_AUTO_IRQ)
636 		pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
637 	err = pnp_manual_config_dev(pdev, cfg, 0);
638 	if (err < 0)
639 		snd_printk(KERN_WARNING "PnP manual resources are invalid, using auto config\n");
640 	err = pnp_activate_dev(pdev);
641 	if (err < 0) {
642 		kfree(cfg);
643 		snd_printk(KERN_ERR "PnP configure failure (out of resources?) err = %d\n", err);
644 		return -EBUSY;
645 	}
646 	sb_port[dev] = pnp_port_start(pdev, 0);
647 	wss_port[dev] = pnp_port_start(pdev, 1);
648 	fm_port[dev] = pnp_port_start(pdev, 2);
649 	midi_port[dev] = pnp_port_start(pdev, 3);
650 	port[dev] = pnp_port_start(pdev, 4);
651 	dma1[dev] = pnp_dma(pdev, 0);
652 	dma2[dev] = pnp_dma(pdev, 1);
653 	irq[dev] = pnp_irq(pdev, 0);
654 	snd_printdd("%sPnP OPL3-SA: sb port=0x%lx, wss port=0x%lx, fm port=0x%lx, midi port=0x%lx\n",
655 		pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", sb_port[dev], wss_port[dev], fm_port[dev], midi_port[dev]);
656 	snd_printdd("%sPnP OPL3-SA: control port=0x%lx, dma1=%i, dma2=%i, irq=%i\n",
657 		pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", port[dev], dma1[dev], dma2[dev], irq[dev]);
658 	kfree(cfg);
659 	return 0;
660 }
661 #endif /* CONFIG_PNP */
662 
663 static void snd_opl3sa2_free(struct snd_card *card)
664 {
665 	struct snd_opl3sa2 *chip = card->private_data;
666 	if (chip->irq >= 0)
667 		free_irq(chip->irq, (void *)chip);
668 	release_and_free_resource(chip->res_port);
669 }
670 
671 static struct snd_card *snd_opl3sa2_card_new(int dev)
672 {
673 	struct snd_card *card;
674 	struct snd_opl3sa2 *chip;
675 
676 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_opl3sa2));
677 	if (card == NULL)
678 		return NULL;
679 	strcpy(card->driver, "OPL3SA2");
680 	strcpy(card->shortname, "Yamaha OPL3-SA2");
681 	chip = card->private_data;
682 	spin_lock_init(&chip->reg_lock);
683 	chip->irq = -1;
684 	chip->card = card;
685 	card->private_free = snd_opl3sa2_free;
686 	return card;
687 }
688 
689 static int __devinit snd_opl3sa2_probe(struct snd_card *card, int dev)
690 {
691 	int xirq, xdma1, xdma2;
692 	struct snd_opl3sa2 *chip;
693 	struct snd_cs4231 *cs4231;
694 	struct snd_opl3 *opl3;
695 	int err;
696 
697 	/* initialise this card from supplied (or default) parameter*/
698 	chip = card->private_data;
699 	chip->ymode = opl3sa3_ymode[dev] & 0x03 ;
700 	chip->port = port[dev];
701 	xirq = irq[dev];
702 	xdma1 = dma1[dev];
703 	xdma2 = dma2[dev];
704 	if (xdma2 < 0)
705 		chip->single_dma = 1;
706 	if ((err = snd_opl3sa2_detect(chip)) < 0)
707 		return err;
708 	if (request_irq(xirq, snd_opl3sa2_interrupt, IRQF_DISABLED, "OPL3-SA2", chip)) {
709 		snd_printk(KERN_ERR PFX "can't grab IRQ %d\n", xirq);
710 		return -ENODEV;
711 	}
712 	chip->irq = xirq;
713 	if ((err = snd_cs4231_create(card,
714 				     wss_port[dev] + 4, -1,
715 				     xirq, xdma1, xdma2,
716 				     CS4231_HW_OPL3SA2,
717 				     CS4231_HWSHARE_IRQ,
718 				     &cs4231)) < 0) {
719 		snd_printd("Oops, WSS not detected at 0x%lx\n", wss_port[dev] + 4);
720 		return err;
721 	}
722 	chip->cs4231 = cs4231;
723 	if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
724 		return err;
725 	if ((err = snd_cs4231_mixer(cs4231)) < 0)
726 		return err;
727 	if ((err = snd_opl3sa2_mixer(chip)) < 0)
728 		return err;
729 	if ((err = snd_cs4231_timer(cs4231, 0, NULL)) < 0)
730 		return err;
731 	if (fm_port[dev] >= 0x340 && fm_port[dev] < 0x400) {
732 		if ((err = snd_opl3_create(card, fm_port[dev],
733 					   fm_port[dev] + 2,
734 					   OPL3_HW_OPL3, 0, &opl3)) < 0)
735 			return err;
736 		if ((err = snd_opl3_timer_new(opl3, 1, 2)) < 0)
737 			return err;
738 		if ((err = snd_opl3_hwdep_new(opl3, 0, 1, &chip->synth)) < 0)
739 			return err;
740 	}
741 	if (midi_port[dev] >= 0x300 && midi_port[dev] < 0x340) {
742 		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_OPL3SA2,
743 					       midi_port[dev], 0,
744 					       xirq, 0, &chip->rmidi)) < 0)
745 			return err;
746 	}
747 	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
748 		card->shortname, chip->port, xirq, xdma1);
749 	if (xdma2 >= 0)
750 		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
751 
752 	return snd_card_register(card);
753 }
754 
755 #ifdef CONFIG_PNP
756 static int __devinit snd_opl3sa2_pnp_detect(struct pnp_dev *pdev,
757 					    const struct pnp_device_id *id)
758 {
759 	static int dev;
760 	int err;
761 	struct snd_card *card;
762 
763 	if (pnp_device_is_isapnp(pdev))
764 		return -ENOENT;	/* we have another procedure - card */
765 	for (; dev < SNDRV_CARDS; dev++) {
766 		if (enable[dev] && isapnp[dev])
767 			break;
768 	}
769 	if (dev >= SNDRV_CARDS)
770 		return -ENODEV;
771 
772 	card = snd_opl3sa2_card_new(dev);
773 	if (! card)
774 		return -ENOMEM;
775 	if ((err = snd_opl3sa2_pnp(dev, card->private_data, pdev)) < 0) {
776 		snd_card_free(card);
777 		return err;
778 	}
779 	snd_card_set_dev(card, &pdev->dev);
780 	if ((err = snd_opl3sa2_probe(card, dev)) < 0) {
781 		snd_card_free(card);
782 		return err;
783 	}
784 	pnp_set_drvdata(pdev, card);
785 	dev++;
786 	snd_opl3sa2_devices++;
787 	return 0;
788 }
789 
790 static void __devexit snd_opl3sa2_pnp_remove(struct pnp_dev * pdev)
791 {
792 	snd_card_free(pnp_get_drvdata(pdev));
793 	pnp_set_drvdata(pdev, NULL);
794 }
795 
796 #ifdef CONFIG_PM
797 static int snd_opl3sa2_pnp_suspend(struct pnp_dev *pdev, pm_message_t state)
798 {
799 	return snd_opl3sa2_suspend(pnp_get_drvdata(pdev), state);
800 }
801 static int snd_opl3sa2_pnp_resume(struct pnp_dev *pdev)
802 {
803 	return snd_opl3sa2_resume(pnp_get_drvdata(pdev));
804 }
805 #endif
806 
807 static struct pnp_driver opl3sa2_pnp_driver = {
808 	.name = "snd-opl3sa2-pnpbios",
809 	.id_table = snd_opl3sa2_pnpbiosids,
810 	.probe = snd_opl3sa2_pnp_detect,
811 	.remove = __devexit_p(snd_opl3sa2_pnp_remove),
812 #ifdef CONFIG_PM
813 	.suspend = snd_opl3sa2_pnp_suspend,
814 	.resume = snd_opl3sa2_pnp_resume,
815 #endif
816 };
817 
818 static int __devinit snd_opl3sa2_pnp_cdetect(struct pnp_card_link *pcard,
819 					     const struct pnp_card_device_id *id)
820 {
821 	static int dev;
822 	struct pnp_dev *pdev;
823 	int err;
824 	struct snd_card *card;
825 
826 	pdev = pnp_request_card_device(pcard, id->devs[0].id, NULL);
827 	if (pdev == NULL) {
828 		snd_printk(KERN_ERR PFX "can't get pnp device from id '%s'\n",
829 			   id->devs[0].id);
830 		return -EBUSY;
831 	}
832 	for (; dev < SNDRV_CARDS; dev++) {
833 		if (enable[dev] && isapnp[dev])
834 			break;
835 	}
836 	if (dev >= SNDRV_CARDS)
837 		return -ENODEV;
838 
839 	card = snd_opl3sa2_card_new(dev);
840 	if (! card)
841 		return -ENOMEM;
842 	if ((err = snd_opl3sa2_pnp(dev, card->private_data, pdev)) < 0) {
843 		snd_card_free(card);
844 		return err;
845 	}
846 	snd_card_set_dev(card, &pdev->dev);
847 	if ((err = snd_opl3sa2_probe(card, dev)) < 0) {
848 		snd_card_free(card);
849 		return err;
850 	}
851 	pnp_set_card_drvdata(pcard, card);
852 	dev++;
853 	snd_opl3sa2_devices++;
854 	return 0;
855 }
856 
857 static void __devexit snd_opl3sa2_pnp_cremove(struct pnp_card_link * pcard)
858 {
859 	snd_card_free(pnp_get_card_drvdata(pcard));
860 	pnp_set_card_drvdata(pcard, NULL);
861 }
862 
863 #ifdef CONFIG_PM
864 static int snd_opl3sa2_pnp_csuspend(struct pnp_card_link *pcard, pm_message_t state)
865 {
866 	return snd_opl3sa2_suspend(pnp_get_card_drvdata(pcard), state);
867 }
868 static int snd_opl3sa2_pnp_cresume(struct pnp_card_link *pcard)
869 {
870 	return snd_opl3sa2_resume(pnp_get_card_drvdata(pcard));
871 }
872 #endif
873 
874 static struct pnp_card_driver opl3sa2_pnpc_driver = {
875 	.flags = PNP_DRIVER_RES_DISABLE,
876 	.name = "snd-opl3sa2-cpnp",
877 	.id_table = snd_opl3sa2_pnpids,
878 	.probe = snd_opl3sa2_pnp_cdetect,
879 	.remove = __devexit_p(snd_opl3sa2_pnp_cremove),
880 #ifdef CONFIG_PM
881 	.suspend = snd_opl3sa2_pnp_csuspend,
882 	.resume = snd_opl3sa2_pnp_cresume,
883 #endif
884 };
885 #endif /* CONFIG_PNP */
886 
887 static int __devinit snd_opl3sa2_nonpnp_probe(struct platform_device *pdev)
888 {
889 	struct snd_card *card;
890 	int err;
891 	int dev = pdev->id;
892 
893 	if (port[dev] == SNDRV_AUTO_PORT) {
894 		snd_printk(KERN_ERR PFX "specify port\n");
895 		return -EINVAL;
896 	}
897 	if (wss_port[dev] == SNDRV_AUTO_PORT) {
898 		snd_printk(KERN_ERR PFX "specify wss_port\n");
899 		return -EINVAL;
900 	}
901 	if (fm_port[dev] == SNDRV_AUTO_PORT) {
902 		snd_printk(KERN_ERR PFX "specify fm_port\n");
903 		return -EINVAL;
904 	}
905 	if (midi_port[dev] == SNDRV_AUTO_PORT) {
906 		snd_printk(KERN_ERR PFX "specify midi_port\n");
907 		return -EINVAL;
908 	}
909 
910 	card = snd_opl3sa2_card_new(dev);
911 	if (! card)
912 		return -ENOMEM;
913 	snd_card_set_dev(card, &pdev->dev);
914 	if ((err = snd_opl3sa2_probe(card, dev)) < 0) {
915 		snd_card_free(card);
916 		return err;
917 	}
918 	platform_set_drvdata(pdev, card);
919 	return 0;
920 }
921 
922 static int snd_opl3sa2_nonpnp_remove(struct platform_device *devptr)
923 {
924 	snd_card_free(platform_get_drvdata(devptr));
925 	platform_set_drvdata(devptr, NULL);
926 	return 0;
927 }
928 
929 #ifdef CONFIG_PM
930 static int snd_opl3sa2_nonpnp_suspend(struct platform_device *dev, pm_message_t state)
931 {
932 	return snd_opl3sa2_suspend(platform_get_drvdata(dev), state);
933 }
934 
935 static int snd_opl3sa2_nonpnp_resume(struct platform_device *dev)
936 {
937 	return snd_opl3sa2_resume(platform_get_drvdata(dev));
938 }
939 #endif
940 
941 #define OPL3SA2_DRIVER	"snd_opl3sa2"
942 
943 static struct platform_driver snd_opl3sa2_nonpnp_driver = {
944 	.probe		= snd_opl3sa2_nonpnp_probe,
945 	.remove		= snd_opl3sa2_nonpnp_remove,
946 #ifdef CONFIG_PM
947 	.suspend	= snd_opl3sa2_nonpnp_suspend,
948 	.resume		= snd_opl3sa2_nonpnp_resume,
949 #endif
950 	.driver		= {
951 		.name	= OPL3SA2_DRIVER
952 	},
953 };
954 
955 static void __init_or_module snd_opl3sa2_unregister_all(void)
956 {
957 	int i;
958 
959 #ifdef CONFIG_PNP
960 	if (pnpc_registered)
961 		pnp_unregister_card_driver(&opl3sa2_pnpc_driver);
962 	if (pnp_registered)
963 		pnp_unregister_driver(&opl3sa2_pnp_driver);
964 #endif
965 	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
966 		platform_device_unregister(platform_devices[i]);
967 	platform_driver_unregister(&snd_opl3sa2_nonpnp_driver);
968 }
969 
970 static int __init alsa_card_opl3sa2_init(void)
971 {
972 	int i, err;
973 
974 	if ((err = platform_driver_register(&snd_opl3sa2_nonpnp_driver)) < 0)
975 		return err;
976 
977 	for (i = 0; i < SNDRV_CARDS; i++) {
978 		struct platform_device *device;
979 		if (! enable[i])
980 			continue;
981 #ifdef CONFIG_PNP
982 		if (isapnp[i])
983 			continue;
984 #endif
985 		device = platform_device_register_simple(OPL3SA2_DRIVER,
986 							 i, NULL, 0);
987 		if (IS_ERR(device))
988 			continue;
989 		if (!platform_get_drvdata(device)) {
990 			platform_device_unregister(device);
991 			continue;
992 		}
993 		platform_devices[i] = device;
994 		snd_opl3sa2_devices++;
995 	}
996 
997 #ifdef CONFIG_PNP
998 	err = pnp_register_driver(&opl3sa2_pnp_driver);
999 	if (!err)
1000 		pnp_registered = 1;
1001 	err = pnp_register_card_driver(&opl3sa2_pnpc_driver);
1002 	if (!err)
1003 		pnpc_registered = 1;
1004 #endif
1005 
1006 	if (!snd_opl3sa2_devices) {
1007 #ifdef MODULE
1008 		snd_printk(KERN_ERR "Yamaha OPL3-SA soundcard not found or device busy\n");
1009 #endif
1010 		snd_opl3sa2_unregister_all();
1011 		return -ENODEV;
1012 	}
1013 	return 0;
1014 }
1015 
1016 static void __exit alsa_card_opl3sa2_exit(void)
1017 {
1018 	snd_opl3sa2_unregister_all();
1019 }
1020 
1021 module_init(alsa_card_opl3sa2_init)
1022 module_exit(alsa_card_opl3sa2_exit)
1023