sound/isa/opl3sa2.c

   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/isa.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 #ifdef CONFIG_PNP
  95 static int isa_registered;
  96 static int pnp_registered;
  97 static int pnpc_registered;
  98 #endif
  99
 100 /* control ports */
 101 #define OPL3SA2_PM_CTRL         0x01
 102 #define OPL3SA2_SYS_CTRL                0x02
 103 #define OPL3SA2_IRQ_CONFIG      0x03
 104 #define OPL3SA2_IRQ_STATUS      0x04
 105 #define OPL3SA2_DMA_CONFIG      0x06
 106 #define OPL3SA2_MASTER_LEFT     0x07
 107 #define OPL3SA2_MASTER_RIGHT    0x08
 108 #define OPL3SA2_MIC             0x09
 109 #define OPL3SA2_MISC            0x0A
 110
 111 /* opl3sa3 only */
 112 #define OPL3SA3_DGTL_DOWN       0x12
 113 #define OPL3SA3_ANLG_DOWN       0x13
 114 #define OPL3SA3_WIDE            0x14
 115 #define OPL3SA3_BASS            0x15
 116 #define OPL3SA3_TREBLE          0x16
 117
 118 /* power management bits */
 119 #define OPL3SA2_PM_ADOWN                0x20
 120 #define OPL3SA2_PM_PSV          0x04
 121 #define OPL3SA2_PM_PDN          0x02
 122 #define OPL3SA2_PM_PDX          0x01
 123
 124 #define OPL3SA2_PM_D0   0x00
 125 #define OPL3SA2_PM_D3   (OPL3SA2_PM_ADOWN|OPL3SA2_PM_PSV|OPL3SA2_PM_PDN|OPL3SA2_PM_PDX)
 126
 127 struct snd_opl3sa2 {
 128         struct snd_card *card;
 129         int version;            /* 2 or 3 */
 130         unsigned long port;     /* control port */
 131         struct resource *res_port; /* control port resource */
 132         int irq;
 133         int single_dma;
 134         spinlock_t reg_lock;
 135         struct snd_hwdep *synth;
 136         struct snd_rawmidi *rmidi;
 137         struct snd_cs4231 *cs4231;
 138         unsigned char ctlregs[0x20];
 139         int ymode;              /* SL added */
 140         struct snd_kcontrol *master_switch;
 141         struct snd_kcontrol *master_volume;
 142 };
 143
 144 #define PFX     "opl3sa2: "
 145
 146 #ifdef CONFIG_PNP
 147
 148 static struct pnp_device_id snd_opl3sa2_pnpbiosids[] = {
 149         { .id = "YMH0021" },
 150         { .id = "NMX2210" },    /* Gateway Solo 2500 */
 151         { .id = "" }            /* end */
 152 };
 153
 154 MODULE_DEVICE_TABLE(pnp, snd_opl3sa2_pnpbiosids);
 155
 156 static struct pnp_card_device_id snd_opl3sa2_pnpids[] = {
 157         /* Yamaha YMF719E-S (Genius Sound Maker 3DX) */
 158         { .id = "YMH0020", .devs = { { "YMH0021" } } },
 159         /* Yamaha OPL3-SA3 (integrated on Intel's Pentium II AL440LX motherboard) */
 160         { .id = "YMH0030", .devs = { { "YMH0021" } } },
 161         /* Yamaha OPL3-SA2 */
 162         { .id = "YMH0800", .devs = { { "YMH0021" } } },
 163         /* Yamaha OPL3-SA2 */
 164         { .id = "YMH0801", .devs = { { "YMH0021" } } },
 165         /* NeoMagic MagicWave 3DX */
 166         { .id = "NMX2200", .devs = { { "YMH2210" } } },
 167         /* NeoMagic MagicWave 3D */
 168         { .id = "NMX2200", .devs = { { "NMX2210" } } },
 169         /* --- */
 170         { .id = "" }    /* end */
 171 };
 172
 173 MODULE_DEVICE_TABLE(pnp_card, snd_opl3sa2_pnpids);
 174
 175 #endif /* CONFIG_PNP */
 176
 177
 178 /* read control port (w/o spinlock) */
 179 static unsigned char __snd_opl3sa2_read(struct snd_opl3sa2 *chip, unsigned char reg)
 180 {
 181         unsigned char result;
 182 #if 0
 183         outb(0x1d, port);       /* password */
 184         printk("read [0x%lx] = 0x%x\n", port, inb(port));
 185 #endif
 186         outb(reg, chip->port);  /* register */
 187         result = inb(chip->port + 1);
 188 #if 0
 189         printk("read [0x%lx] = 0x%x [0x%x]\n", port, result, inb(port));
 190 #endif
 191         return result;
 192 }
 193
 194 /* read control port (with spinlock) */
 195 static unsigned char snd_opl3sa2_read(struct snd_opl3sa2 *chip, unsigned char reg)
 196 {
 197         unsigned long flags;
 198         unsigned char result;
 199
 200         spin_lock_irqsave(&chip->reg_lock, flags);
 201         result = __snd_opl3sa2_read(chip, reg);
 202         spin_unlock_irqrestore(&chip->reg_lock, flags);
 203         return result;
 204 }
 205
 206 /* write control port (w/o spinlock) */
 207 static void __snd_opl3sa2_write(struct snd_opl3sa2 *chip, unsigned char reg, unsigned char value)
 208 {
 209 #if 0
 210         outb(0x1d, port);       /* password */
 211 #endif
 212         outb(reg, chip->port);  /* register */
 213         outb(value, chip->port + 1);
 214         chip->ctlregs[reg] = value;
 215 }
 216
 217 /* write control port (with spinlock) */
 218 static void snd_opl3sa2_write(struct snd_opl3sa2 *chip, unsigned char reg, unsigned char value)
 219 {
 220         unsigned long flags;
 221         spin_lock_irqsave(&chip->reg_lock, flags);
 222         __snd_opl3sa2_write(chip, reg, value);
 223         spin_unlock_irqrestore(&chip->reg_lock, flags);
 224 }
 225
 226 static int __devinit snd_opl3sa2_detect(struct snd_opl3sa2 *chip)
 227 {
 228         struct snd_card *card;
 229         unsigned long port;
 230         unsigned char tmp, tmp1;
 231         char str[2];
 232
 233         card = chip->card;
 234         port = chip->port;
 235         if ((chip->res_port = request_region(port, 2, "OPL3-SA control")) == NULL) {
 236                 snd_printk(KERN_ERR PFX "can't grab port 0x%lx\n", port);
 237                 return -EBUSY;
 238         }
 239         // snd_printk("REG 0A = 0x%x\n", snd_opl3sa2_read(chip, 0x0a));
 240         chip->version = 0;
 241         tmp = snd_opl3sa2_read(chip, OPL3SA2_MISC);
 242         if (tmp == 0xff) {
 243                 snd_printd("OPL3-SA [0x%lx] detect = 0x%x\n", port, tmp);
 244                 return -ENODEV;
 245         }
 246         switch (tmp & 0x07) {
 247         case 0x01:
 248                 chip->version = 2; /* YMF711 */
 249                 break;
 250         default:
 251                 chip->version = 3;
 252                 /* 0x02 - standard */
 253                 /* 0x03 - YM715B */
 254                 /* 0x04 - YM719 - OPL-SA4? */
 255                 /* 0x05 - OPL3-SA3 - Libretto 100 */
 256                 break;
 257         }
 258         str[0] = chip->version + '0';
 259         str[1] = 0;
 260         strcat(card->shortname, str);
 261         snd_opl3sa2_write(chip, OPL3SA2_MISC, tmp ^ 7);
 262         if ((tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MISC)) != tmp) {
 263                 snd_printd("OPL3-SA [0x%lx] detect (1) = 0x%x (0x%x)\n", port, tmp, tmp1);
 264                 return -ENODEV;
 265         }
 266         /* try if the MIC register is accesible */
 267         tmp = snd_opl3sa2_read(chip, OPL3SA2_MIC);
 268         snd_opl3sa2_write(chip, OPL3SA2_MIC, 0x8a);
 269         if (((tmp1 = snd_opl3sa2_read(chip, OPL3SA2_MIC)) & 0x9f) != 0x8a) {
 270                 snd_printd("OPL3-SA [0x%lx] detect (2) = 0x%x (0x%x)\n", port, tmp, tmp1);
 271                 return -ENODEV;
 272         }
 273         snd_opl3sa2_write(chip, OPL3SA2_MIC, 0x9f);
 274         /* initialization */
 275         /* Power Management - full on */
 276         snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D0);
 277         if (chip->version > 2) {
 278                 /* ymode is bits 4&5 (of 0 to 7) on all but opl3sa2 versions */
 279                 snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, (chip->ymode << 4));
 280         } else {
 281                 /* default for opl3sa2 versions */
 282                 snd_opl3sa2_write(chip, OPL3SA2_SYS_CTRL, 0x00);
 283         }
 284         snd_opl3sa2_write(chip, OPL3SA2_IRQ_CONFIG, 0x0d);      /* Interrupt Channel Configuration - IRQ A = OPL3 + MPU + WSS */
 285         if (chip->single_dma) {
 286                 snd_opl3sa2_write(chip, OPL3SA2_DMA_CONFIG, 0x03);      /* DMA Configuration - DMA A = WSS-R + WSS-P */
 287         } else {
 288                 snd_opl3sa2_write(chip, OPL3SA2_DMA_CONFIG, 0x21);      /* DMA Configuration - DMA B = WSS-R, DMA A = WSS-P */
 289         }
 290         snd_opl3sa2_write(chip, OPL3SA2_MISC, 0x80 | (tmp & 7));        /* Miscellaneous - default */
 291         if (chip->version > 2) {
 292                 snd_opl3sa2_write(chip, OPL3SA3_DGTL_DOWN, 0x00);       /* Digital Block Partial Power Down - default */
 293                 snd_opl3sa2_write(chip, OPL3SA3_ANLG_DOWN, 0x00);       /* Analog Block Partial Power Down - default */
 294         }
 295         return 0;
 296 }
 297
 298 static irqreturn_t snd_opl3sa2_interrupt(int irq, void *dev_id)
 299 {
 300         unsigned short status;
 301         struct snd_opl3sa2 *chip = dev_id;
 302         int handled = 0;
 303
 304         if (chip == NULL || chip->card == NULL)
 305                 return IRQ_NONE;
 306
 307         status = snd_opl3sa2_read(chip, OPL3SA2_IRQ_STATUS);
 308
 309         if (status & 0x20) {
 310                 handled = 1;
 311                 snd_opl3_interrupt(chip->synth);
 312         }
 313
 314         if ((status & 0x10) && chip->rmidi != NULL) {
 315                 handled = 1;
 316                 snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 317         }
 318
 319         if (status & 0x07) {    /* TI,CI,PI */
 320                 handled = 1;
 321                 snd_cs4231_interrupt(irq, chip->cs4231);
 322         }
 323
 324         if (status & 0x40) { /* hardware volume change */
 325                 handled = 1;
 326                 /* reading from Master Lch register at 0x07 clears this bit */
 327                 snd_opl3sa2_read(chip, OPL3SA2_MASTER_RIGHT);
 328                 snd_opl3sa2_read(chip, OPL3SA2_MASTER_LEFT);
 329                 if (chip->master_switch && chip->master_volume) {
 330                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_switch->id);
 331                         snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_volume->id);
 332                 }
 333         }
 334         return IRQ_RETVAL(handled);
 335 }
 336
 337 #define OPL3SA2_SINGLE(xname, xindex, reg, shift, mask, invert) \
 338 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 339   .info = snd_opl3sa2_info_single, \
 340   .get = snd_opl3sa2_get_single, .put = snd_opl3sa2_put_single, \
 341   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
 342 #define OPL3SA2_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
 343 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 344   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 345   .name = xname, .index = xindex, \
 346   .info = snd_opl3sa2_info_single, \
 347   .get = snd_opl3sa2_get_single, .put = snd_opl3sa2_put_single, \
 348   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
 349   .tlv = { .p = (xtlv) } }
 350
 351 static int snd_opl3sa2_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 352 {
 353         int mask = (kcontrol->private_value >> 16) & 0xff;
 354
 355         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 356         uinfo->count = 1;
 357         uinfo->value.integer.min = 0;
 358         uinfo->value.integer.max = mask;
 359         return 0;
 360 }
 361
 362 static int snd_opl3sa2_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 363 {
 364         struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
 365         unsigned long flags;
 366         int reg = kcontrol->private_value & 0xff;
 367         int shift = (kcontrol->private_value >> 8) & 0xff;
 368         int mask = (kcontrol->private_value >> 16) & 0xff;
 369         int invert = (kcontrol->private_value >> 24) & 0xff;
 370
 371         spin_lock_irqsave(&chip->reg_lock, flags);
 372         ucontrol->value.integer.value[0] = (chip->ctlregs[reg] >> shift) & mask;
 373         spin_unlock_irqrestore(&chip->reg_lock, flags);
 374         if (invert)
 375                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 376         return 0;
 377 }
 378
 379 static int snd_opl3sa2_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 380 {
 381         struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
 382         unsigned long flags;
 383         int reg = kcontrol->private_value & 0xff;
 384         int shift = (kcontrol->private_value >> 8) & 0xff;
 385         int mask = (kcontrol->private_value >> 16) & 0xff;
 386         int invert = (kcontrol->private_value >> 24) & 0xff;
 387         int change;
 388         unsigned short val, oval;
 389
 390         val = (ucontrol->value.integer.value[0] & mask);
 391         if (invert)
 392                 val = mask - val;
 393         val <<= shift;
 394         spin_lock_irqsave(&chip->reg_lock, flags);
 395         oval = chip->ctlregs[reg];
 396         val = (oval & ~(mask << shift)) | val;
 397         change = val != oval;
 398         __snd_opl3sa2_write(chip, reg, val);
 399         spin_unlock_irqrestore(&chip->reg_lock, flags);
 400         return change;
 401 }
 402
 403 #define OPL3SA2_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
 404 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
 405   .info = snd_opl3sa2_info_double, \
 406   .get = snd_opl3sa2_get_double, .put = snd_opl3sa2_put_double, \
 407   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
 408 #define OPL3SA2_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
 409 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 410   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 411   .name = xname, .index = xindex, \
 412   .info = snd_opl3sa2_info_double, \
 413   .get = snd_opl3sa2_get_double, .put = snd_opl3sa2_put_double, \
 414   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22), \
 415   .tlv = { .p = (xtlv) } }
 416
 417 static int snd_opl3sa2_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 418 {
 419         int mask = (kcontrol->private_value >> 24) & 0xff;
 420
 421         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 422         uinfo->count = 2;
 423         uinfo->value.integer.min = 0;
 424         uinfo->value.integer.max = mask;
 425         return 0;
 426 }
 427
 428 static int snd_opl3sa2_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 429 {
 430         struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
 431         unsigned long flags;
 432         int left_reg = kcontrol->private_value & 0xff;
 433         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 434         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 435         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 436         int mask = (kcontrol->private_value >> 24) & 0xff;
 437         int invert = (kcontrol->private_value >> 22) & 1;
 438
 439         spin_lock_irqsave(&chip->reg_lock, flags);
 440         ucontrol->value.integer.value[0] = (chip->ctlregs[left_reg] >> shift_left) & mask;
 441         ucontrol->value.integer.value[1] = (chip->ctlregs[right_reg] >> shift_right) & mask;
 442         spin_unlock_irqrestore(&chip->reg_lock, flags);
 443         if (invert) {
 444                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 445                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 446         }
 447         return 0;
 448 }
 449
 450 static int snd_opl3sa2_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 451 {
 452         struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
 453         unsigned long flags;
 454         int left_reg = kcontrol->private_value & 0xff;
 455         int right_reg = (kcontrol->private_value >> 8) & 0xff;
 456         int shift_left = (kcontrol->private_value >> 16) & 0x07;
 457         int shift_right = (kcontrol->private_value >> 19) & 0x07;
 458         int mask = (kcontrol->private_value >> 24) & 0xff;
 459         int invert = (kcontrol->private_value >> 22) & 1;
 460         int change;
 461         unsigned short val1, val2, oval1, oval2;
 462
 463         val1 = ucontrol->value.integer.value[0] & mask;
 464         val2 = ucontrol->value.integer.value[1] & mask;
 465         if (invert) {
 466                 val1 = mask - val1;
 467                 val2 = mask - val2;
 468         }
 469         val1 <<= shift_left;
 470         val2 <<= shift_right;
 471         spin_lock_irqsave(&chip->reg_lock, flags);
 472         if (left_reg != right_reg) {
 473                 oval1 = chip->ctlregs[left_reg];
 474                 oval2 = chip->ctlregs[right_reg];
 475                 val1 = (oval1 & ~(mask << shift_left)) | val1;
 476                 val2 = (oval2 & ~(mask << shift_right)) | val2;
 477                 change = val1 != oval1 || val2 != oval2;
 478                 __snd_opl3sa2_write(chip, left_reg, val1);
 479                 __snd_opl3sa2_write(chip, right_reg, val2);
 480         } else {
 481                 oval1 = chip->ctlregs[left_reg];
 482                 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
 483                 change = val1 != oval1;
 484                 __snd_opl3sa2_write(chip, left_reg, val1);
 485         }
 486         spin_unlock_irqrestore(&chip->reg_lock, flags);
 487         return change;
 488 }
 489
 490 static const DECLARE_TLV_DB_SCALE(db_scale_master, -3000, 200, 0);
 491 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
 492
 493 static struct snd_kcontrol_new snd_opl3sa2_controls[] = {
 494 OPL3SA2_DOUBLE("Master Playback Switch", 0, 0x07, 0x08, 7, 7, 1, 1),
 495 OPL3SA2_DOUBLE_TLV("Master Playback Volume", 0, 0x07, 0x08, 0, 0, 15, 1,
 496                    db_scale_master),
 497 OPL3SA2_SINGLE("Mic Playback Switch", 0, 0x09, 7, 1, 1),
 498 OPL3SA2_SINGLE_TLV("Mic Playback Volume", 0, 0x09, 0, 31, 1,
 499                    db_scale_5bit_12db_max),
 500 };
 501
 502 static struct snd_kcontrol_new snd_opl3sa2_tone_controls[] = {
 503 OPL3SA2_DOUBLE("3D Control - Wide", 0, 0x14, 0x14, 4, 0, 7, 0),
 504 OPL3SA2_DOUBLE("Tone Control - Bass", 0, 0x15, 0x15, 4, 0, 7, 0),
 505 OPL3SA2_DOUBLE("Tone Control - Treble", 0, 0x16, 0x16, 4, 0, 7, 0)
 506 };
 507
 508 static void snd_opl3sa2_master_free(struct snd_kcontrol *kcontrol)
 509 {
 510         struct snd_opl3sa2 *chip = snd_kcontrol_chip(kcontrol);
 511         chip->master_switch = NULL;
 512         chip->master_volume = NULL;
 513 }
 514
 515 static int __devinit snd_opl3sa2_mixer(struct snd_opl3sa2 *chip)
 516 {
 517         struct snd_card *card = chip->card;
 518         struct snd_ctl_elem_id id1, id2;
 519         struct snd_kcontrol *kctl;
 520         unsigned int idx;
 521         int err;
 522
 523         memset(&id1, 0, sizeof(id1));
 524         memset(&id2, 0, sizeof(id2));
 525         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 526         /* reassign AUX0 to CD */
 527         strcpy(id1.name, "Aux Playback Switch");
 528         strcpy(id2.name, "CD Playback Switch");
 529         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
 530                 snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
 531                 return err;
 532         }
 533         strcpy(id1.name, "Aux Playback Volume");
 534         strcpy(id2.name, "CD Playback Volume");
 535         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
 536                 snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
 537                 return err;
 538         }
 539         /* reassign AUX1 to FM */
 540         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
 541         strcpy(id2.name, "FM Playback Switch");
 542         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
 543                 snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
 544                 return err;
 545         }
 546         strcpy(id1.name, "Aux Playback Volume");
 547         strcpy(id2.name, "FM Playback Volume");
 548         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
 549                 snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
 550                 return err;
 551         }
 552         /* add OPL3SA2 controls */
 553         for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_controls); idx++) {
 554                 if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_opl3sa2_controls[idx], chip))) < 0)
 555                         return err;
 556                 switch (idx) {
 557                 case 0: chip->master_switch = kctl; kctl->private_free = snd_opl3sa2_master_free; break;
 558                 case 1: chip->master_volume = kctl; kctl->private_free = snd_opl3sa2_master_free; break;
 559                 }
 560         }
 561         if (chip->version > 2) {
 562                 for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_tone_controls); idx++)
 563                         if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_opl3sa2_tone_controls[idx], chip))) < 0)
 564                                 return err;
 565         }
 566         return 0;
 567 }
 568
 569 /* Power Management support functions */
 570 #ifdef CONFIG_PM
 571 static int snd_opl3sa2_suspend(struct snd_card *card, pm_message_t state)
 572 {
 573         struct snd_opl3sa2 *chip = card->private_data;
 574
 575         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 576         chip->cs4231->suspend(chip->cs4231);
 577         /* power down */
 578         snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D3);
 579
 580         return 0;
 581 }
 582
 583 static int snd_opl3sa2_resume(struct snd_card *card)
 584 {
 585         struct snd_opl3sa2 *chip = card->private_data;
 586         int i;
 587
 588         /* power up */
 589         snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D0);
 590
 591         /* restore registers */
 592         for (i = 2; i <= 0x0a; i++) {
 593                 if (i != OPL3SA2_IRQ_STATUS)
 594                         snd_opl3sa2_write(chip, i, chip->ctlregs[i]);
 595         }
 596         if (chip->version > 2) {
 597                 for (i = 0x12; i <= 0x16; i++)
 598                         snd_opl3sa2_write(chip, i, chip->ctlregs[i]);
 599         }
 600         /* restore cs4231 */
 601         chip->cs4231->resume(chip->cs4231);
 602
 603         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 604         return 0;
 605 }
 606 #endif /* CONFIG_PM */
 607
 608 #ifdef CONFIG_PNP
 609 static int __devinit snd_opl3sa2_pnp(int dev, struct snd_opl3sa2 *chip,
 610                                      struct pnp_dev *pdev)
 611 {
 612         struct pnp_resource_table * cfg;
 613         int err;
 614
 615         cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
 616         if (!cfg) {
 617                 snd_printk(KERN_ERR PFX "cannot allocate pnp cfg\n");
 618                 return -ENOMEM;
 619         }
 620         /* PnP initialization */
 621         pnp_init_resource_table(cfg);
 622         if (sb_port[dev] != SNDRV_AUTO_PORT)
 623                 pnp_resource_change(&cfg->port_resource[0], sb_port[dev], 16);
 624         if (wss_port[dev] != SNDRV_AUTO_PORT)
 625                 pnp_resource_change(&cfg->port_resource[1], wss_port[dev], 8);
 626         if (fm_port[dev] != SNDRV_AUTO_PORT)
 627                 pnp_resource_change(&cfg->port_resource[2], fm_port[dev], 4);
 628         if (midi_port[dev] != SNDRV_AUTO_PORT)
 629                 pnp_resource_change(&cfg->port_resource[3], midi_port[dev], 2);
 630         if (port[dev] != SNDRV_AUTO_PORT)
 631                 pnp_resource_change(&cfg->port_resource[4], port[dev], 2);
 632         if (dma1[dev] != SNDRV_AUTO_DMA)
 633                 pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
 634         if (dma2[dev] != SNDRV_AUTO_DMA)
 635                 pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
 636         if (irq[dev] != SNDRV_AUTO_IRQ)
 637                 pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
 638         err = pnp_manual_config_dev(pdev, cfg, 0);
 639         if (err < 0)
 640                 snd_printk(KERN_WARNING "PnP manual resources are invalid, using auto config\n");
 641         err = pnp_activate_dev(pdev);
 642         if (err < 0) {
 643                 kfree(cfg);
 644                 snd_printk(KERN_ERR "PnP configure failure (out of resources?) err = %d\n", err);
 645                 return -EBUSY;
 646         }
 647         sb_port[dev] = pnp_port_start(pdev, 0);
 648         wss_port[dev] = pnp_port_start(pdev, 1);
 649         fm_port[dev] = pnp_port_start(pdev, 2);
 650         midi_port[dev] = pnp_port_start(pdev, 3);
 651         port[dev] = pnp_port_start(pdev, 4);
 652         dma1[dev] = pnp_dma(pdev, 0);
 653         dma2[dev] = pnp_dma(pdev, 1);
 654         irq[dev] = pnp_irq(pdev, 0);
 655         snd_printdd("%sPnP OPL3-SA: sb port=0x%lx, wss port=0x%lx, fm port=0x%lx, midi port=0x%lx\n",
 656                 pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", sb_port[dev], wss_port[dev], fm_port[dev], midi_port[dev]);
 657         snd_printdd("%sPnP OPL3-SA: control port=0x%lx, dma1=%i, dma2=%i, irq=%i\n",
 658                 pnp_device_is_pnpbios(pdev) ? "BIOS" : "ISA", port[dev], dma1[dev], dma2[dev], irq[dev]);
 659         kfree(cfg);
 660         return 0;
 661 }
 662 #endif /* CONFIG_PNP */
 663
 664 static void snd_opl3sa2_free(struct snd_card *card)
 665 {
 666         struct snd_opl3sa2 *chip = card->private_data;
 667         if (chip->irq >= 0)
 668                 free_irq(chip->irq, (void *)chip);
 669         release_and_free_resource(chip->res_port);
 670 }
 671
 672 static struct snd_card *snd_opl3sa2_card_new(int dev)
 673 {
 674         struct snd_card *card;
 675         struct snd_opl3sa2 *chip;
 676
 677         card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_opl3sa2));
 678         if (card == NULL)
 679                 return NULL;
 680         strcpy(card->driver, "OPL3SA2");
 681         strcpy(card->shortname, "Yamaha OPL3-SA2");
 682         chip = card->private_data;
 683         spin_lock_init(&chip->reg_lock);
 684         chip->irq = -1;
 685         chip->card = card;
 686         card->private_free = snd_opl3sa2_free;
 687         return card;
 688 }
 689
 690 static int __devinit snd_opl3sa2_probe(struct snd_card *card, int dev)
 691 {
 692         int xirq, xdma1, xdma2;
 693         struct snd_opl3sa2 *chip;
 694         struct snd_cs4231 *cs4231;
 695         struct snd_opl3 *opl3;
 696         int err;
 697
 698         /* initialise this card from supplied (or default) parameter*/
 699         chip = card->private_data;
 700         chip->ymode = opl3sa3_ymode[dev] & 0x03 ;
 701         chip->port = port[dev];
 702         xirq = irq[dev];
 703         xdma1 = dma1[dev];
 704         xdma2 = dma2[dev];
 705         if (xdma2 < 0)
 706                 chip->single_dma = 1;
 707         if ((err = snd_opl3sa2_detect(chip)) < 0)
 708                 return err;
 709         if (request_irq(xirq, snd_opl3sa2_interrupt, IRQF_DISABLED, "OPL3-SA2", chip)) {
 710                 snd_printk(KERN_ERR PFX "can't grab IRQ %d\n", xirq);
 711                 return -ENODEV;
 712         }
 713         chip->irq = xirq;
 714         if ((err = snd_cs4231_create(card,
 715                                      wss_port[dev] + 4, -1,
 716                                      xirq, xdma1, xdma2,
 717                                      CS4231_HW_OPL3SA2,
 718                                      CS4231_HWSHARE_IRQ,
 719                                      &cs4231)) < 0) {
 720                 snd_printd("Oops, WSS not detected at 0x%lx\n", wss_port[dev] + 4);
 721                 return err;
 722         }
 723         chip->cs4231 = cs4231;
 724         if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
 725                 return err;
 726         if ((err = snd_cs4231_mixer(cs4231)) < 0)
 727                 return err;
 728         if ((err = snd_opl3sa2_mixer(chip)) < 0)
 729                 return err;
 730         if ((err = snd_cs4231_timer(cs4231, 0, NULL)) < 0)
 731                 return err;
 732         if (fm_port[dev] >= 0x340 && fm_port[dev] < 0x400) {
 733                 if ((err = snd_opl3_create(card, fm_port[dev],
 734                                            fm_port[dev] + 2,
 735                                            OPL3_HW_OPL3, 0, &opl3)) < 0)
 736                         return err;
 737                 if ((err = snd_opl3_timer_new(opl3, 1, 2)) < 0)
 738                         return err;
 739                 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, &chip->synth)) < 0)
 740                         return err;
 741         }
 742         if (midi_port[dev] >= 0x300 && midi_port[dev] < 0x340) {
 743                 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_OPL3SA2,
 744                                                midi_port[dev], 0,
 745                                                xirq, 0, &chip->rmidi)) < 0)
 746                         return err;
 747         }
 748         sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
 749                 card->shortname, chip->port, xirq, xdma1);
 750         if (xdma2 >= 0)
 751                 sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
 752
 753         return snd_card_register(card);
 754 }
 755
 756 #ifdef CONFIG_PNP
 757 static int __devinit snd_opl3sa2_pnp_detect(struct pnp_dev *pdev,
 758                                             const struct pnp_device_id *id)
 759 {
 760         static int dev;
 761         int err;
 762         struct snd_card *card;
 763
 764         if (pnp_device_is_isapnp(pdev))
 765                 return -ENOENT; /* we have another procedure - card */
 766         for (; dev < SNDRV_CARDS; dev++) {
 767                 if (enable[dev] && isapnp[dev])
 768                         break;
 769         }
 770         if (dev >= SNDRV_CARDS)
 771                 return -ENODEV;
 772
 773         card = snd_opl3sa2_card_new(dev);
 774         if (! card)
 775                 return -ENOMEM;
 776         if ((err = snd_opl3sa2_pnp(dev, card->private_data, pdev)) < 0) {
 777                 snd_card_free(card);
 778                 return err;
 779         }
 780         snd_card_set_dev(card, &pdev->dev);
 781         if ((err = snd_opl3sa2_probe(card, dev)) < 0) {
 782                 snd_card_free(card);
 783                 return err;
 784         }
 785         pnp_set_drvdata(pdev, card);
 786         dev++;
 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         return 0;
 854 }
 855
 856 static void __devexit snd_opl3sa2_pnp_cremove(struct pnp_card_link * pcard)
 857 {
 858         snd_card_free(pnp_get_card_drvdata(pcard));
 859         pnp_set_card_drvdata(pcard, NULL);
 860 }
 861
 862 #ifdef CONFIG_PM
 863 static int snd_opl3sa2_pnp_csuspend(struct pnp_card_link *pcard, pm_message_t state)
 864 {
 865         return snd_opl3sa2_suspend(pnp_get_card_drvdata(pcard), state);
 866 }
 867 static int snd_opl3sa2_pnp_cresume(struct pnp_card_link *pcard)
 868 {
 869         return snd_opl3sa2_resume(pnp_get_card_drvdata(pcard));
 870 }
 871 #endif
 872
 873 static struct pnp_card_driver opl3sa2_pnpc_driver = {
 874         .flags = PNP_DRIVER_RES_DISABLE,
 875         .name = "snd-opl3sa2-cpnp",
 876         .id_table = snd_opl3sa2_pnpids,
 877         .probe = snd_opl3sa2_pnp_cdetect,
 878         .remove = __devexit_p(snd_opl3sa2_pnp_cremove),
 879 #ifdef CONFIG_PM
 880         .suspend = snd_opl3sa2_pnp_csuspend,
 881         .resume = snd_opl3sa2_pnp_cresume,
 882 #endif
 883 };
 884 #endif /* CONFIG_PNP */
 885
 886 static int __devinit snd_opl3sa2_isa_match(struct device *pdev,
 887                                            unsigned int dev)
 888 {
 889         if (!enable[dev])
 890                 return 0;
 891 #ifdef CONFIG_PNP
 892         if (isapnp[dev])
 893                 return 0;
 894 #endif
 895         if (port[dev] == SNDRV_AUTO_PORT) {
 896                 snd_printk(KERN_ERR PFX "specify port\n");
 897                 return 0;
 898         }
 899         if (wss_port[dev] == SNDRV_AUTO_PORT) {
 900                 snd_printk(KERN_ERR PFX "specify wss_port\n");
 901                 return 0;
 902         }
 903         if (fm_port[dev] == SNDRV_AUTO_PORT) {
 904                 snd_printk(KERN_ERR PFX "specify fm_port\n");
 905                 return 0;
 906         }
 907         if (midi_port[dev] == SNDRV_AUTO_PORT) {
 908                 snd_printk(KERN_ERR PFX "specify midi_port\n");
 909                 return 0;
 910         }
 911         return 1;
 912 }
 913
 914 static int __devinit snd_opl3sa2_isa_probe(struct device *pdev,
 915                                            unsigned int dev)
 916 {
 917         struct snd_card *card;
 918         int err;
 919
 920         card = snd_opl3sa2_card_new(dev);
 921         if (! card)
 922                 return -ENOMEM;
 923         snd_card_set_dev(card, pdev);
 924         if ((err = snd_opl3sa2_probe(card, dev)) < 0) {
 925                 snd_card_free(card);
 926                 return err;
 927         }
 928         dev_set_drvdata(pdev, card);
 929         return 0;
 930 }
 931
 932 static int __devexit snd_opl3sa2_isa_remove(struct device *devptr,
 933                                             unsigned int dev)
 934 {
 935         snd_card_free(dev_get_drvdata(devptr));
 936         dev_set_drvdata(devptr, NULL);
 937         return 0;
 938 }
 939
 940 #ifdef CONFIG_PM
 941 static int snd_opl3sa2_isa_suspend(struct device *dev, unsigned int n,
 942                                    pm_message_t state)
 943 {
 944         return snd_opl3sa2_suspend(dev_get_drvdata(dev), state);
 945 }
 946
 947 static int snd_opl3sa2_isa_resume(struct device *dev, unsigned int n)
 948 {
 949         return snd_opl3sa2_resume(dev_get_drvdata(dev));
 950 }
 951 #endif
 952
 953 #define DEV_NAME "opl3sa2"
 954
 955 static struct isa_driver snd_opl3sa2_isa_driver = {
 956         .match          = snd_opl3sa2_isa_match,
 957         .probe          = snd_opl3sa2_isa_probe,
 958         .remove         = __devexit_p(snd_opl3sa2_isa_remove),
 959 #ifdef CONFIG_PM
 960         .suspend        = snd_opl3sa2_isa_suspend,
 961         .resume         = snd_opl3sa2_isa_resume,
 962 #endif
 963         .driver         = {
 964                 .name   = DEV_NAME
 965         },
 966 };
 967
 968 static int __init alsa_card_opl3sa2_init(void)
 969 {
 970         int err;
 971
 972         err = isa_register_driver(&snd_opl3sa2_isa_driver, SNDRV_CARDS);
 973 #ifdef CONFIG_PNP
 974         if (!err)
 975                 isa_registered = 1;
 976
 977         err = pnp_register_driver(&opl3sa2_pnp_driver);
 978         if (!err)
 979                 pnp_registered = 1;
 980
 981         err = pnp_register_card_driver(&opl3sa2_pnpc_driver);
 982         if (!err)
 983                 pnpc_registered = 1;
 984
 985         if (isa_registered || pnp_registered)
 986                 err = 0;
 987 #endif
 988         return err;
 989 }
 990
 991 static void __exit alsa_card_opl3sa2_exit(void)
 992 {
 993 #ifdef CONFIG_PNP
 994         if (pnpc_registered)
 995                 pnp_unregister_card_driver(&opl3sa2_pnpc_driver);
 996         if (pnp_registered)
 997                 pnp_unregister_driver(&opl3sa2_pnp_driver);
 998         if (isa_registered)
 999 #endif
1000                 isa_unregister_driver(&snd_opl3sa2_isa_driver);
1001 }
1002
1003 module_init(alsa_card_opl3sa2_init)
1004 module_exit(alsa_card_opl3sa2_exit)