Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz>, |
| 3 | * Hannu Savolainen 1993-1996, |
| 4 | * Rob Hooft |
| 5 | * |
| 6 | * Routines for control of AdLib FM cards (OPL2/OPL3/OPL4 chips) |
| 7 | * |
| 8 | * Most if code is ported from OSS/Lite. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #include <sound/opl3.h> |
| 27 | #include <asm/io.h> |
| 28 | #include <linux/delay.h> |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/slab.h> |
| 31 | #include <linux/ioport.h> |
| 32 | #include <sound/minors.h> |
| 33 | |
| 34 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Hannu Savolainen 1993-1996, Rob Hooft"); |
| 35 | MODULE_DESCRIPTION("Routines for control of AdLib FM cards (OPL2/OPL3/OPL4 chips)"); |
| 36 | MODULE_LICENSE("GPL"); |
| 37 | |
| 38 | extern char snd_opl3_regmap[MAX_OPL2_VOICES][4]; |
| 39 | |
| 40 | static void snd_opl2_command(opl3_t * opl3, unsigned short cmd, unsigned char val) |
| 41 | { |
| 42 | unsigned long flags; |
| 43 | unsigned long port; |
| 44 | |
| 45 | /* |
| 46 | * The original 2-OP synth requires a quite long delay |
| 47 | * after writing to a register. |
| 48 | */ |
| 49 | |
| 50 | port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; |
| 51 | |
| 52 | spin_lock_irqsave(&opl3->reg_lock, flags); |
| 53 | |
| 54 | outb((unsigned char) cmd, port); |
| 55 | udelay(10); |
| 56 | |
| 57 | outb((unsigned char) val, port + 1); |
| 58 | udelay(30); |
| 59 | |
| 60 | spin_unlock_irqrestore(&opl3->reg_lock, flags); |
| 61 | } |
| 62 | |
| 63 | static void snd_opl3_command(opl3_t * opl3, unsigned short cmd, unsigned char val) |
| 64 | { |
| 65 | unsigned long flags; |
| 66 | unsigned long port; |
| 67 | |
| 68 | /* |
| 69 | * The OPL-3 survives with just two INBs |
| 70 | * after writing to a register. |
| 71 | */ |
| 72 | |
| 73 | port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; |
| 74 | |
| 75 | spin_lock_irqsave(&opl3->reg_lock, flags); |
| 76 | |
| 77 | outb((unsigned char) cmd, port); |
| 78 | inb(opl3->l_port); |
| 79 | inb(opl3->l_port); |
| 80 | |
| 81 | outb((unsigned char) val, port + 1); |
| 82 | inb(opl3->l_port); |
| 83 | inb(opl3->l_port); |
| 84 | |
| 85 | spin_unlock_irqrestore(&opl3->reg_lock, flags); |
| 86 | } |
| 87 | |
| 88 | static int snd_opl3_detect(opl3_t * opl3) |
| 89 | { |
| 90 | /* |
| 91 | * This function returns 1 if the FM chip is present at the given I/O port |
| 92 | * The detection algorithm plays with the timer built in the FM chip and |
| 93 | * looks for a change in the status register. |
| 94 | * |
| 95 | * Note! The timers of the FM chip are not connected to AdLib (and compatible) |
| 96 | * boards. |
| 97 | * |
| 98 | * Note2! The chip is initialized if detected. |
| 99 | */ |
| 100 | |
| 101 | unsigned char stat1, stat2, signature; |
| 102 | |
| 103 | /* Reset timers 1 and 2 */ |
| 104 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER1_MASK | OPL3_TIMER2_MASK); |
| 105 | /* Reset the IRQ of the FM chip */ |
| 106 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_IRQ_RESET); |
| 107 | signature = stat1 = inb(opl3->l_port); /* Status register */ |
| 108 | if ((stat1 & 0xe0) != 0x00) { /* Should be 0x00 */ |
| 109 | snd_printd("OPL3: stat1 = 0x%x\n", stat1); |
| 110 | return -ENODEV; |
| 111 | } |
| 112 | /* Set timer1 to 0xff */ |
| 113 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER1, 0xff); |
| 114 | /* Unmask and start timer 1 */ |
| 115 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER2_MASK | OPL3_TIMER1_START); |
| 116 | /* Now we have to delay at least 80us */ |
| 117 | udelay(200); |
| 118 | /* Read status after timers have expired */ |
| 119 | stat2 = inb(opl3->l_port); |
| 120 | /* Stop the timers */ |
| 121 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER1_MASK | OPL3_TIMER2_MASK); |
| 122 | /* Reset the IRQ of the FM chip */ |
| 123 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_IRQ_RESET); |
| 124 | if ((stat2 & 0xe0) != 0xc0) { /* There is no YM3812 */ |
| 125 | snd_printd("OPL3: stat2 = 0x%x\n", stat2); |
| 126 | return -ENODEV; |
| 127 | } |
| 128 | |
| 129 | /* If the toplevel code knows exactly the type of chip, don't try |
| 130 | to detect it. */ |
| 131 | if (opl3->hardware != OPL3_HW_AUTO) |
| 132 | return 0; |
| 133 | |
| 134 | /* There is a FM chip on this address. Detect the type (OPL2 to OPL4) */ |
| 135 | if (signature == 0x06) { /* OPL2 */ |
| 136 | opl3->hardware = OPL3_HW_OPL2; |
| 137 | } else { |
| 138 | /* |
| 139 | * If we had an OPL4 chip, opl3->hardware would have been set |
| 140 | * by the OPL4 driver; so we can assume OPL3 here. |
| 141 | */ |
| 142 | snd_assert(opl3->r_port != 0, return -ENODEV); |
| 143 | opl3->hardware = OPL3_HW_OPL3; |
| 144 | } |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | /* |
| 149 | * AdLib timers |
| 150 | */ |
| 151 | |
| 152 | /* |
| 153 | * Timer 1 - 80us |
| 154 | */ |
| 155 | |
| 156 | static int snd_opl3_timer1_start(snd_timer_t * timer) |
| 157 | { |
| 158 | unsigned long flags; |
| 159 | unsigned char tmp; |
| 160 | unsigned int ticks; |
| 161 | opl3_t *opl3; |
| 162 | |
| 163 | opl3 = snd_timer_chip(timer); |
| 164 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 165 | ticks = timer->sticks; |
| 166 | tmp = (opl3->timer_enable | OPL3_TIMER1_START) & ~OPL3_TIMER1_MASK; |
| 167 | opl3->timer_enable = tmp; |
| 168 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER1, 256 - ticks); /* timer 1 count */ |
| 169 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* enable timer 1 IRQ */ |
| 170 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | static int snd_opl3_timer1_stop(snd_timer_t * timer) |
| 175 | { |
| 176 | unsigned long flags; |
| 177 | unsigned char tmp; |
| 178 | opl3_t *opl3; |
| 179 | |
| 180 | opl3 = snd_timer_chip(timer); |
| 181 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 182 | tmp = (opl3->timer_enable | OPL3_TIMER1_MASK) & ~OPL3_TIMER1_START; |
| 183 | opl3->timer_enable = tmp; |
| 184 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* disable timer #1 */ |
| 185 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | /* |
| 190 | * Timer 2 - 320us |
| 191 | */ |
| 192 | |
| 193 | static int snd_opl3_timer2_start(snd_timer_t * timer) |
| 194 | { |
| 195 | unsigned long flags; |
| 196 | unsigned char tmp; |
| 197 | unsigned int ticks; |
| 198 | opl3_t *opl3; |
| 199 | |
| 200 | opl3 = snd_timer_chip(timer); |
| 201 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 202 | ticks = timer->sticks; |
| 203 | tmp = (opl3->timer_enable | OPL3_TIMER2_START) & ~OPL3_TIMER2_MASK; |
| 204 | opl3->timer_enable = tmp; |
| 205 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER2, 256 - ticks); /* timer 1 count */ |
| 206 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* enable timer 1 IRQ */ |
| 207 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | static int snd_opl3_timer2_stop(snd_timer_t * timer) |
| 212 | { |
| 213 | unsigned long flags; |
| 214 | unsigned char tmp; |
| 215 | opl3_t *opl3; |
| 216 | |
| 217 | opl3 = snd_timer_chip(timer); |
| 218 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 219 | tmp = (opl3->timer_enable | OPL3_TIMER2_MASK) & ~OPL3_TIMER2_START; |
| 220 | opl3->timer_enable = tmp; |
| 221 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* disable timer #1 */ |
| 222 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | /* |
| 227 | |
| 228 | */ |
| 229 | |
| 230 | static struct _snd_timer_hardware snd_opl3_timer1 = |
| 231 | { |
| 232 | .flags = SNDRV_TIMER_HW_STOP, |
| 233 | .resolution = 80000, |
| 234 | .ticks = 256, |
| 235 | .start = snd_opl3_timer1_start, |
| 236 | .stop = snd_opl3_timer1_stop, |
| 237 | }; |
| 238 | |
| 239 | static struct _snd_timer_hardware snd_opl3_timer2 = |
| 240 | { |
| 241 | .flags = SNDRV_TIMER_HW_STOP, |
| 242 | .resolution = 320000, |
| 243 | .ticks = 256, |
| 244 | .start = snd_opl3_timer2_start, |
| 245 | .stop = snd_opl3_timer2_stop, |
| 246 | }; |
| 247 | |
| 248 | static int snd_opl3_timer1_init(opl3_t * opl3, int timer_no) |
| 249 | { |
| 250 | snd_timer_t *timer = NULL; |
| 251 | snd_timer_id_t tid; |
| 252 | int err; |
| 253 | |
| 254 | tid.dev_class = SNDRV_TIMER_CLASS_CARD; |
| 255 | tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; |
| 256 | tid.card = opl3->card->number; |
| 257 | tid.device = timer_no; |
| 258 | tid.subdevice = 0; |
| 259 | if ((err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer)) >= 0) { |
| 260 | strcpy(timer->name, "AdLib timer #1"); |
| 261 | timer->private_data = opl3; |
| 262 | timer->hw = snd_opl3_timer1; |
| 263 | } |
| 264 | opl3->timer1 = timer; |
| 265 | return err; |
| 266 | } |
| 267 | |
| 268 | static int snd_opl3_timer2_init(opl3_t * opl3, int timer_no) |
| 269 | { |
| 270 | snd_timer_t *timer = NULL; |
| 271 | snd_timer_id_t tid; |
| 272 | int err; |
| 273 | |
| 274 | tid.dev_class = SNDRV_TIMER_CLASS_CARD; |
| 275 | tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; |
| 276 | tid.card = opl3->card->number; |
| 277 | tid.device = timer_no; |
| 278 | tid.subdevice = 0; |
| 279 | if ((err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer)) >= 0) { |
| 280 | strcpy(timer->name, "AdLib timer #2"); |
| 281 | timer->private_data = opl3; |
| 282 | timer->hw = snd_opl3_timer2; |
| 283 | } |
| 284 | opl3->timer2 = timer; |
| 285 | return err; |
| 286 | } |
| 287 | |
| 288 | /* |
| 289 | |
| 290 | */ |
| 291 | |
| 292 | void snd_opl3_interrupt(snd_hwdep_t * hw) |
| 293 | { |
| 294 | unsigned char status; |
| 295 | opl3_t *opl3; |
| 296 | snd_timer_t *timer; |
| 297 | |
| 298 | if (hw == NULL) |
| 299 | return; |
| 300 | |
| 301 | opl3 = hw->private_data; |
| 302 | status = inb(opl3->l_port); |
| 303 | #if 0 |
| 304 | snd_printk("AdLib IRQ status = 0x%x\n", status); |
| 305 | #endif |
| 306 | if (!(status & 0x80)) |
| 307 | return; |
| 308 | |
| 309 | if (status & 0x40) { |
| 310 | timer = opl3->timer1; |
| 311 | snd_timer_interrupt(timer, timer->sticks); |
| 312 | } |
| 313 | if (status & 0x20) { |
| 314 | timer = opl3->timer2; |
| 315 | snd_timer_interrupt(timer, timer->sticks); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | |
| 321 | */ |
| 322 | |
| 323 | static int snd_opl3_free(opl3_t *opl3) |
| 324 | { |
| 325 | snd_assert(opl3 != NULL, return -ENXIO); |
| 326 | if (opl3->private_free) |
| 327 | opl3->private_free(opl3); |
| 328 | if (opl3->res_l_port) { |
| 329 | release_resource(opl3->res_l_port); |
| 330 | kfree_nocheck(opl3->res_l_port); |
| 331 | } |
| 332 | if (opl3->res_r_port) { |
| 333 | release_resource(opl3->res_r_port); |
| 334 | kfree_nocheck(opl3->res_r_port); |
| 335 | } |
| 336 | kfree(opl3); |
| 337 | return 0; |
| 338 | } |
| 339 | |
| 340 | static int snd_opl3_dev_free(snd_device_t *device) |
| 341 | { |
| 342 | opl3_t *opl3 = device->device_data; |
| 343 | return snd_opl3_free(opl3); |
| 344 | } |
| 345 | |
| 346 | int snd_opl3_new(snd_card_t *card, |
| 347 | unsigned short hardware, |
| 348 | opl3_t **ropl3) |
| 349 | { |
| 350 | static snd_device_ops_t ops = { |
| 351 | .dev_free = snd_opl3_dev_free, |
| 352 | }; |
| 353 | opl3_t *opl3; |
| 354 | int err; |
| 355 | |
| 356 | *ropl3 = NULL; |
| 357 | opl3 = kcalloc(1, sizeof(*opl3), GFP_KERNEL); |
| 358 | if (opl3 == NULL) |
| 359 | return -ENOMEM; |
| 360 | |
| 361 | opl3->card = card; |
| 362 | opl3->hardware = hardware; |
| 363 | spin_lock_init(&opl3->reg_lock); |
| 364 | spin_lock_init(&opl3->timer_lock); |
| 365 | init_MUTEX(&opl3->access_mutex); |
| 366 | |
| 367 | if ((err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops)) < 0) { |
| 368 | snd_opl3_free(opl3); |
| 369 | return err; |
| 370 | } |
| 371 | |
| 372 | *ropl3 = opl3; |
| 373 | return 0; |
| 374 | } |
| 375 | |
| 376 | int snd_opl3_init(opl3_t *opl3) |
| 377 | { |
| 378 | if (! opl3->command) { |
| 379 | printk(KERN_ERR "snd_opl3_init: command not defined!\n"); |
| 380 | return -EINVAL; |
| 381 | } |
| 382 | |
| 383 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TEST, OPL3_ENABLE_WAVE_SELECT); |
| 384 | /* Melodic mode */ |
| 385 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, 0x00); |
| 386 | |
| 387 | switch (opl3->hardware & OPL3_HW_MASK) { |
| 388 | case OPL3_HW_OPL2: |
| 389 | opl3->max_voices = MAX_OPL2_VOICES; |
| 390 | break; |
| 391 | case OPL3_HW_OPL3: |
| 392 | case OPL3_HW_OPL4: |
| 393 | opl3->max_voices = MAX_OPL3_VOICES; |
| 394 | /* Enter OPL3 mode */ |
| 395 | opl3->command(opl3, OPL3_RIGHT | OPL3_REG_MODE, OPL3_OPL3_ENABLE); |
| 396 | } |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | int snd_opl3_create(snd_card_t * card, |
| 401 | unsigned long l_port, |
| 402 | unsigned long r_port, |
| 403 | unsigned short hardware, |
| 404 | int integrated, |
| 405 | opl3_t ** ropl3) |
| 406 | { |
| 407 | opl3_t *opl3; |
| 408 | int err; |
| 409 | |
| 410 | *ropl3 = NULL; |
| 411 | if ((err = snd_opl3_new(card, hardware, &opl3)) < 0) |
| 412 | return err; |
| 413 | if (! integrated) { |
| 414 | if ((opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)")) == NULL) { |
| 415 | snd_printk(KERN_ERR "opl3: can't grab left port 0x%lx\n", l_port); |
| 416 | snd_opl3_free(opl3); |
| 417 | return -EBUSY; |
| 418 | } |
| 419 | if (r_port != 0 && |
| 420 | (opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)")) == NULL) { |
| 421 | snd_printk(KERN_ERR "opl3: can't grab right port 0x%lx\n", r_port); |
| 422 | snd_opl3_free(opl3); |
| 423 | return -EBUSY; |
| 424 | } |
| 425 | } |
| 426 | opl3->l_port = l_port; |
| 427 | opl3->r_port = r_port; |
| 428 | |
| 429 | switch (opl3->hardware) { |
| 430 | /* some hardware doesn't support timers */ |
| 431 | case OPL3_HW_OPL3_SV: |
| 432 | case OPL3_HW_OPL3_CS: |
| 433 | case OPL3_HW_OPL3_FM801: |
| 434 | opl3->command = &snd_opl3_command; |
| 435 | break; |
| 436 | default: |
| 437 | opl3->command = &snd_opl2_command; |
| 438 | if ((err = snd_opl3_detect(opl3)) < 0) { |
| 439 | snd_printd("OPL2/3 chip not detected at 0x%lx/0x%lx\n", |
| 440 | opl3->l_port, opl3->r_port); |
| 441 | snd_opl3_free(opl3); |
| 442 | return err; |
| 443 | } |
| 444 | /* detect routine returns correct hardware type */ |
| 445 | switch (opl3->hardware & OPL3_HW_MASK) { |
| 446 | case OPL3_HW_OPL3: |
| 447 | case OPL3_HW_OPL4: |
| 448 | opl3->command = &snd_opl3_command; |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | snd_opl3_init(opl3); |
| 453 | |
| 454 | *ropl3 = opl3; |
| 455 | return 0; |
| 456 | } |
| 457 | |
| 458 | int snd_opl3_timer_new(opl3_t * opl3, int timer1_dev, int timer2_dev) |
| 459 | { |
| 460 | int err; |
| 461 | |
| 462 | if (timer1_dev >= 0) |
| 463 | if ((err = snd_opl3_timer1_init(opl3, timer1_dev)) < 0) |
| 464 | return err; |
| 465 | if (timer2_dev >= 0) { |
| 466 | if ((err = snd_opl3_timer2_init(opl3, timer2_dev)) < 0) { |
| 467 | snd_device_free(opl3->card, opl3->timer1); |
| 468 | opl3->timer1 = NULL; |
| 469 | return err; |
| 470 | } |
| 471 | } |
| 472 | return 0; |
| 473 | } |
| 474 | |
| 475 | int snd_opl3_hwdep_new(opl3_t * opl3, |
| 476 | int device, int seq_device, |
| 477 | snd_hwdep_t ** rhwdep) |
| 478 | { |
| 479 | snd_hwdep_t *hw; |
| 480 | snd_card_t *card = opl3->card; |
| 481 | int err; |
| 482 | |
| 483 | if (rhwdep) |
| 484 | *rhwdep = NULL; |
| 485 | |
| 486 | /* create hardware dependent device (direct FM) */ |
| 487 | |
| 488 | if ((err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw)) < 0) { |
| 489 | snd_device_free(card, opl3); |
| 490 | return err; |
| 491 | } |
| 492 | hw->private_data = opl3; |
| 493 | #ifdef CONFIG_SND_OSSEMUL |
| 494 | if (device == 0) { |
| 495 | hw->oss_type = SNDRV_OSS_DEVICE_TYPE_DMFM; |
| 496 | sprintf(hw->oss_dev, "dmfm%i", card->number); |
| 497 | } |
| 498 | #endif |
| 499 | strcpy(hw->name, hw->id); |
| 500 | switch (opl3->hardware & OPL3_HW_MASK) { |
| 501 | case OPL3_HW_OPL2: |
| 502 | strcpy(hw->name, "OPL2 FM"); |
| 503 | hw->iface = SNDRV_HWDEP_IFACE_OPL2; |
| 504 | break; |
| 505 | case OPL3_HW_OPL3: |
| 506 | strcpy(hw->name, "OPL3 FM"); |
| 507 | hw->iface = SNDRV_HWDEP_IFACE_OPL3; |
| 508 | break; |
| 509 | case OPL3_HW_OPL4: |
| 510 | strcpy(hw->name, "OPL4 FM"); |
| 511 | hw->iface = SNDRV_HWDEP_IFACE_OPL4; |
| 512 | break; |
| 513 | } |
| 514 | |
| 515 | /* operators - only ioctl */ |
| 516 | hw->ops.open = snd_opl3_open; |
| 517 | hw->ops.ioctl = snd_opl3_ioctl; |
| 518 | hw->ops.release = snd_opl3_release; |
| 519 | |
| 520 | opl3->seq_dev_num = seq_device; |
| 521 | #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) |
| 522 | if (snd_seq_device_new(card, seq_device, SNDRV_SEQ_DEV_ID_OPL3, |
| 523 | sizeof(opl3_t*), &opl3->seq_dev) >= 0) { |
| 524 | strcpy(opl3->seq_dev->name, hw->name); |
| 525 | *(opl3_t**)SNDRV_SEQ_DEVICE_ARGPTR(opl3->seq_dev) = opl3; |
| 526 | } |
| 527 | #endif |
| 528 | if (rhwdep) |
| 529 | *rhwdep = hw; |
| 530 | return 0; |
| 531 | } |
| 532 | |
| 533 | EXPORT_SYMBOL(snd_opl3_interrupt); |
| 534 | EXPORT_SYMBOL(snd_opl3_new); |
| 535 | EXPORT_SYMBOL(snd_opl3_init); |
| 536 | EXPORT_SYMBOL(snd_opl3_create); |
| 537 | EXPORT_SYMBOL(snd_opl3_timer_new); |
| 538 | EXPORT_SYMBOL(snd_opl3_hwdep_new); |
| 539 | |
| 540 | /* opl3_synth.c */ |
| 541 | EXPORT_SYMBOL(snd_opl3_regmap); |
| 542 | EXPORT_SYMBOL(snd_opl3_reset); |
| 543 | |
| 544 | /* |
| 545 | * INIT part |
| 546 | */ |
| 547 | |
| 548 | static int __init alsa_opl3_init(void) |
| 549 | { |
| 550 | return 0; |
| 551 | } |
| 552 | |
| 553 | static void __exit alsa_opl3_exit(void) |
| 554 | { |
| 555 | } |
| 556 | |
| 557 | module_init(alsa_opl3_init) |
| 558 | module_exit(alsa_opl3_exit) |