1/* 2 * Copyright (c) 2001 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <dev/sound/pcm/sound.h> 28#include <dev/sound/pcm/vchan.h> 29
| 1/* 2 * Copyright (c) 2001 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <dev/sound/pcm/sound.h> 28#include <dev/sound/pcm/vchan.h> 29
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57}; 58 59struct sndstat_entry { 60 SLIST_ENTRY(sndstat_entry) link; 61 device_t dev; 62 char *str; 63 sndstat_handler handler; 64 int type, unit; 65}; 66 67#ifdef USING_MUTEX 68static struct mtx sndstat_lock; 69#endif 70static struct sbuf sndstat_sbuf; 71static dev_t sndstat_dev = 0; 72static int sndstat_isopen = 0; 73static int sndstat_bufptr; 74static int sndstat_maxunit = -1; 75static int sndstat_files = 0; 76 77static SLIST_HEAD(, sndstat_entry) sndstat_devlist = SLIST_HEAD_INITIALIZER(none); 78 79static int sndstat_verbose = 1; 80#ifdef USING_MUTEX 81TUNABLE_INT("hw.snd.verbose", &sndstat_verbose); 82#else 83TUNABLE_INT_DECL("hw.snd.verbose", 1, sndstat_verbose); 84#endif 85 86static int sndstat_prepare(struct sbuf *s); 87 88static int 89sysctl_hw_sndverbose(SYSCTL_HANDLER_ARGS) 90{ 91 intrmask_t s; 92 int error, verbose; 93 94 verbose = sndstat_verbose; 95 error = sysctl_handle_int(oidp, &verbose, sizeof(verbose), req); 96 if (error == 0 && req->newptr != NULL) { 97 s = spltty(); 98 mtx_lock(&sndstat_lock); 99 if (verbose < 0 || verbose > 3) 100 error = EINVAL; 101 else 102 sndstat_verbose = verbose; 103 mtx_unlock(&sndstat_lock); 104 splx(s); 105 } 106 return error; 107} 108SYSCTL_PROC(_hw_snd, OID_AUTO, verbose, CTLTYPE_INT | CTLFLAG_RW, 109 0, sizeof(int), sysctl_hw_sndverbose, "I", ""); 110 111static int 112sndstat_open(dev_t i_dev, int flags, int mode, struct thread *td) 113{ 114 intrmask_t s; 115 int error; 116 117 s = spltty(); 118 mtx_lock(&sndstat_lock); 119 if (sndstat_isopen) { 120 mtx_unlock(&sndstat_lock); 121 splx(s); 122 return EBUSY; 123 } 124 sndstat_isopen = 1; 125 mtx_unlock(&sndstat_lock); 126 splx(s); 127 if (sbuf_new(&sndstat_sbuf, NULL, 4096, 0) == NULL) { 128 error = ENXIO; 129 goto out; 130 } 131 sndstat_bufptr = 0; 132 error = (sndstat_prepare(&sndstat_sbuf) > 0) ? 0 : ENOMEM; 133out: 134 if (error) { 135 s = spltty(); 136 mtx_lock(&sndstat_lock); 137 sndstat_isopen = 0; 138 mtx_unlock(&sndstat_lock); 139 splx(s); 140 } 141 return (error); 142} 143 144static int 145sndstat_close(dev_t i_dev, int flags, int mode, struct thread *td) 146{ 147 intrmask_t s; 148 149 s = spltty(); 150 mtx_lock(&sndstat_lock); 151 if (!sndstat_isopen) { 152 mtx_unlock(&sndstat_lock); 153 splx(s); 154 return EBADF; 155 } 156 sbuf_delete(&sndstat_sbuf); 157 sndstat_isopen = 0; 158 159 mtx_unlock(&sndstat_lock); 160 splx(s); 161 return 0; 162} 163 164static int 165sndstat_read(dev_t i_dev, struct uio *buf, int flag) 166{ 167 intrmask_t s; 168 int l, err; 169 170 s = spltty(); 171 mtx_lock(&sndstat_lock); 172 if (!sndstat_isopen) { 173 mtx_unlock(&sndstat_lock); 174 splx(s); 175 return EBADF; 176 } 177 l = min(buf->uio_resid, sbuf_len(&sndstat_sbuf) - sndstat_bufptr); 178 err = (l > 0)? uiomove(sbuf_data(&sndstat_sbuf) + sndstat_bufptr, l, buf) : 0; 179 sndstat_bufptr += l; 180 181 mtx_unlock(&sndstat_lock); 182 splx(s); 183 return err; 184} 185 186/************************************************************************/ 187 188static struct sndstat_entry * 189sndstat_find(int type, int unit) 190{ 191 struct sndstat_entry *ent; 192 193 SLIST_FOREACH(ent, &sndstat_devlist, link) { 194 if (ent->type == type && ent->unit == unit) 195 return ent; 196 } 197 198 return NULL; 199} 200 201int 202sndstat_register(device_t dev, char *str, sndstat_handler handler) 203{ 204 intrmask_t s; 205 struct sndstat_entry *ent; 206 const char *devtype; 207 int type, unit; 208 209 if (dev) { 210 unit = device_get_unit(dev); 211 devtype = device_get_name(dev); 212 if (!strcmp(devtype, "pcm")) 213 type = SS_TYPE_PCM; 214 else if (!strcmp(devtype, "midi")) 215 type = SS_TYPE_MIDI; 216 else if (!strcmp(devtype, "sequencer")) 217 type = SS_TYPE_SEQUENCER; 218 else 219 return EINVAL; 220 } else { 221 type = SS_TYPE_MODULE; 222 unit = -1; 223 } 224 225 ent = malloc(sizeof *ent, M_DEVBUF, M_ZERO | M_WAITOK); 226 if (!ent) 227 return ENOSPC; 228 229 ent->dev = dev; 230 ent->str = str; 231 ent->type = type; 232 ent->unit = unit; 233 ent->handler = handler; 234 235 s = spltty(); 236 mtx_lock(&sndstat_lock); 237 SLIST_INSERT_HEAD(&sndstat_devlist, ent, link); 238 if (type == SS_TYPE_MODULE) 239 sndstat_files++; 240 sndstat_maxunit = (unit > sndstat_maxunit)? unit : sndstat_maxunit; 241 mtx_unlock(&sndstat_lock); 242 splx(s); 243 244 return 0; 245} 246 247int 248sndstat_registerfile(char *str) 249{ 250 return sndstat_register(NULL, str, NULL); 251} 252 253int 254sndstat_unregister(device_t dev) 255{ 256 intrmask_t s; 257 struct sndstat_entry *ent; 258 259 s = spltty(); 260 mtx_lock(&sndstat_lock); 261 SLIST_FOREACH(ent, &sndstat_devlist, link) { 262 if (ent->dev == dev) { 263 SLIST_REMOVE(&sndstat_devlist, ent, sndstat_entry, link); 264 mtx_unlock(&sndstat_lock); 265 splx(s); 266 free(ent, M_DEVBUF); 267 268 return 0; 269 } 270 } 271 mtx_unlock(&sndstat_lock); 272 splx(s); 273 274 return ENXIO; 275} 276 277int 278sndstat_unregisterfile(char *str) 279{ 280 intrmask_t s; 281 struct sndstat_entry *ent; 282 283 s = spltty(); 284 mtx_lock(&sndstat_lock); 285 SLIST_FOREACH(ent, &sndstat_devlist, link) { 286 if (ent->dev == NULL && ent->str == str) { 287 SLIST_REMOVE(&sndstat_devlist, ent, sndstat_entry, link); 288 sndstat_files--; 289 mtx_unlock(&sndstat_lock); 290 splx(s); 291 free(ent, M_DEVBUF); 292 293 return 0; 294 } 295 } 296 mtx_unlock(&sndstat_lock); 297 splx(s); 298 299 return ENXIO; 300} 301 302/************************************************************************/ 303 304static int 305sndstat_prepare(struct sbuf *s) 306{ 307 struct sndstat_entry *ent; 308 int i, j; 309 310 sbuf_printf(s, "FreeBSD Audio Driver (newpcm)\n"); 311 if (SLIST_EMPTY(&sndstat_devlist)) { 312 sbuf_printf(s, "No devices installed.\n"); 313 sbuf_finish(s); 314 return sbuf_len(s); 315 } 316 317 sbuf_printf(s, "Installed devices:\n"); 318 319 for (i = 0; i <= sndstat_maxunit; i++) { 320 for (j = SS_TYPE_FIRST; j <= SS_TYPE_LAST; j++) { 321 ent = sndstat_find(j, i); 322 if (!ent) 323 continue; 324 sbuf_printf(s, "%s:", device_get_nameunit(ent->dev)); 325 sbuf_printf(s, " <%s>", device_get_desc(ent->dev)); 326 sbuf_printf(s, " %s", ent->str); 327 if (ent->handler) 328 ent->handler(s, ent->dev, sndstat_verbose); 329 else 330 sbuf_printf(s, " [no handler]"); 331 sbuf_printf(s, "\n"); 332 } 333 } 334 335 if (sndstat_verbose >= 3 && sndstat_files > 0) { 336 sbuf_printf(s, "\nFile Versions:\n"); 337 338 SLIST_FOREACH(ent, &sndstat_devlist, link) { 339 if (ent->dev == NULL && ent->str != NULL) 340 sbuf_printf(s, "%s\n", ent->str); 341 } 342 } 343 344 sbuf_finish(s); 345 return sbuf_len(s); 346} 347 348static int 349sndstat_init(void) 350{ 351 mtx_init(&sndstat_lock, "sndstat", NULL, 0); 352 sndstat_dev = make_dev(&sndstat_cdevsw, SND_DEV_STATUS, UID_ROOT, GID_WHEEL, 0444, "sndstat"); 353 354 return (sndstat_dev != 0)? 0 : ENXIO; 355} 356 357static int 358sndstat_uninit(void) 359{ 360 intrmask_t s; 361 362 s = spltty(); 363 mtx_lock(&sndstat_lock); 364 if (sndstat_isopen) { 365 mtx_unlock(&sndstat_lock); 366 splx(s); 367 return EBUSY; 368 } 369 370 if (sndstat_dev) 371 destroy_dev(sndstat_dev); 372 sndstat_dev = 0; 373 374 splx(s); 375 mtx_destroy(&sndstat_lock); 376 return 0; 377} 378 379int 380sndstat_busy(void) 381{ 382 return (sndstat_isopen); 383} 384 385static void 386sndstat_sysinit(void *p) 387{ 388 sndstat_init(); 389} 390 391static void 392sndstat_sysuninit(void *p) 393{ 394 sndstat_uninit(); 395} 396 397SYSINIT(sndstat_sysinit, SI_SUB_DRIVERS, SI_ORDER_FIRST, sndstat_sysinit, NULL); 398SYSUNINIT(sndstat_sysuninit, SI_SUB_DRIVERS, SI_ORDER_FIRST, sndstat_sysuninit, NULL); 399 400
| 49}; 50 51struct sndstat_entry { 52 SLIST_ENTRY(sndstat_entry) link; 53 device_t dev; 54 char *str; 55 sndstat_handler handler; 56 int type, unit; 57}; 58 59#ifdef USING_MUTEX 60static struct mtx sndstat_lock; 61#endif 62static struct sbuf sndstat_sbuf; 63static dev_t sndstat_dev = 0; 64static int sndstat_isopen = 0; 65static int sndstat_bufptr; 66static int sndstat_maxunit = -1; 67static int sndstat_files = 0; 68 69static SLIST_HEAD(, sndstat_entry) sndstat_devlist = SLIST_HEAD_INITIALIZER(none); 70 71static int sndstat_verbose = 1; 72#ifdef USING_MUTEX 73TUNABLE_INT("hw.snd.verbose", &sndstat_verbose); 74#else 75TUNABLE_INT_DECL("hw.snd.verbose", 1, sndstat_verbose); 76#endif 77 78static int sndstat_prepare(struct sbuf *s); 79 80static int 81sysctl_hw_sndverbose(SYSCTL_HANDLER_ARGS) 82{ 83 intrmask_t s; 84 int error, verbose; 85 86 verbose = sndstat_verbose; 87 error = sysctl_handle_int(oidp, &verbose, sizeof(verbose), req); 88 if (error == 0 && req->newptr != NULL) { 89 s = spltty(); 90 mtx_lock(&sndstat_lock); 91 if (verbose < 0 || verbose > 3) 92 error = EINVAL; 93 else 94 sndstat_verbose = verbose; 95 mtx_unlock(&sndstat_lock); 96 splx(s); 97 } 98 return error; 99} 100SYSCTL_PROC(_hw_snd, OID_AUTO, verbose, CTLTYPE_INT | CTLFLAG_RW, 101 0, sizeof(int), sysctl_hw_sndverbose, "I", ""); 102 103static int 104sndstat_open(dev_t i_dev, int flags, int mode, struct thread *td) 105{ 106 intrmask_t s; 107 int error; 108 109 s = spltty(); 110 mtx_lock(&sndstat_lock); 111 if (sndstat_isopen) { 112 mtx_unlock(&sndstat_lock); 113 splx(s); 114 return EBUSY; 115 } 116 sndstat_isopen = 1; 117 mtx_unlock(&sndstat_lock); 118 splx(s); 119 if (sbuf_new(&sndstat_sbuf, NULL, 4096, 0) == NULL) { 120 error = ENXIO; 121 goto out; 122 } 123 sndstat_bufptr = 0; 124 error = (sndstat_prepare(&sndstat_sbuf) > 0) ? 0 : ENOMEM; 125out: 126 if (error) { 127 s = spltty(); 128 mtx_lock(&sndstat_lock); 129 sndstat_isopen = 0; 130 mtx_unlock(&sndstat_lock); 131 splx(s); 132 } 133 return (error); 134} 135 136static int 137sndstat_close(dev_t i_dev, int flags, int mode, struct thread *td) 138{ 139 intrmask_t s; 140 141 s = spltty(); 142 mtx_lock(&sndstat_lock); 143 if (!sndstat_isopen) { 144 mtx_unlock(&sndstat_lock); 145 splx(s); 146 return EBADF; 147 } 148 sbuf_delete(&sndstat_sbuf); 149 sndstat_isopen = 0; 150 151 mtx_unlock(&sndstat_lock); 152 splx(s); 153 return 0; 154} 155 156static int 157sndstat_read(dev_t i_dev, struct uio *buf, int flag) 158{ 159 intrmask_t s; 160 int l, err; 161 162 s = spltty(); 163 mtx_lock(&sndstat_lock); 164 if (!sndstat_isopen) { 165 mtx_unlock(&sndstat_lock); 166 splx(s); 167 return EBADF; 168 } 169 l = min(buf->uio_resid, sbuf_len(&sndstat_sbuf) - sndstat_bufptr); 170 err = (l > 0)? uiomove(sbuf_data(&sndstat_sbuf) + sndstat_bufptr, l, buf) : 0; 171 sndstat_bufptr += l; 172 173 mtx_unlock(&sndstat_lock); 174 splx(s); 175 return err; 176} 177 178/************************************************************************/ 179 180static struct sndstat_entry * 181sndstat_find(int type, int unit) 182{ 183 struct sndstat_entry *ent; 184 185 SLIST_FOREACH(ent, &sndstat_devlist, link) { 186 if (ent->type == type && ent->unit == unit) 187 return ent; 188 } 189 190 return NULL; 191} 192 193int 194sndstat_register(device_t dev, char *str, sndstat_handler handler) 195{ 196 intrmask_t s; 197 struct sndstat_entry *ent; 198 const char *devtype; 199 int type, unit; 200 201 if (dev) { 202 unit = device_get_unit(dev); 203 devtype = device_get_name(dev); 204 if (!strcmp(devtype, "pcm")) 205 type = SS_TYPE_PCM; 206 else if (!strcmp(devtype, "midi")) 207 type = SS_TYPE_MIDI; 208 else if (!strcmp(devtype, "sequencer")) 209 type = SS_TYPE_SEQUENCER; 210 else 211 return EINVAL; 212 } else { 213 type = SS_TYPE_MODULE; 214 unit = -1; 215 } 216 217 ent = malloc(sizeof *ent, M_DEVBUF, M_ZERO | M_WAITOK); 218 if (!ent) 219 return ENOSPC; 220 221 ent->dev = dev; 222 ent->str = str; 223 ent->type = type; 224 ent->unit = unit; 225 ent->handler = handler; 226 227 s = spltty(); 228 mtx_lock(&sndstat_lock); 229 SLIST_INSERT_HEAD(&sndstat_devlist, ent, link); 230 if (type == SS_TYPE_MODULE) 231 sndstat_files++; 232 sndstat_maxunit = (unit > sndstat_maxunit)? unit : sndstat_maxunit; 233 mtx_unlock(&sndstat_lock); 234 splx(s); 235 236 return 0; 237} 238 239int 240sndstat_registerfile(char *str) 241{ 242 return sndstat_register(NULL, str, NULL); 243} 244 245int 246sndstat_unregister(device_t dev) 247{ 248 intrmask_t s; 249 struct sndstat_entry *ent; 250 251 s = spltty(); 252 mtx_lock(&sndstat_lock); 253 SLIST_FOREACH(ent, &sndstat_devlist, link) { 254 if (ent->dev == dev) { 255 SLIST_REMOVE(&sndstat_devlist, ent, sndstat_entry, link); 256 mtx_unlock(&sndstat_lock); 257 splx(s); 258 free(ent, M_DEVBUF); 259 260 return 0; 261 } 262 } 263 mtx_unlock(&sndstat_lock); 264 splx(s); 265 266 return ENXIO; 267} 268 269int 270sndstat_unregisterfile(char *str) 271{ 272 intrmask_t s; 273 struct sndstat_entry *ent; 274 275 s = spltty(); 276 mtx_lock(&sndstat_lock); 277 SLIST_FOREACH(ent, &sndstat_devlist, link) { 278 if (ent->dev == NULL && ent->str == str) { 279 SLIST_REMOVE(&sndstat_devlist, ent, sndstat_entry, link); 280 sndstat_files--; 281 mtx_unlock(&sndstat_lock); 282 splx(s); 283 free(ent, M_DEVBUF); 284 285 return 0; 286 } 287 } 288 mtx_unlock(&sndstat_lock); 289 splx(s); 290 291 return ENXIO; 292} 293 294/************************************************************************/ 295 296static int 297sndstat_prepare(struct sbuf *s) 298{ 299 struct sndstat_entry *ent; 300 int i, j; 301 302 sbuf_printf(s, "FreeBSD Audio Driver (newpcm)\n"); 303 if (SLIST_EMPTY(&sndstat_devlist)) { 304 sbuf_printf(s, "No devices installed.\n"); 305 sbuf_finish(s); 306 return sbuf_len(s); 307 } 308 309 sbuf_printf(s, "Installed devices:\n"); 310 311 for (i = 0; i <= sndstat_maxunit; i++) { 312 for (j = SS_TYPE_FIRST; j <= SS_TYPE_LAST; j++) { 313 ent = sndstat_find(j, i); 314 if (!ent) 315 continue; 316 sbuf_printf(s, "%s:", device_get_nameunit(ent->dev)); 317 sbuf_printf(s, " <%s>", device_get_desc(ent->dev)); 318 sbuf_printf(s, " %s", ent->str); 319 if (ent->handler) 320 ent->handler(s, ent->dev, sndstat_verbose); 321 else 322 sbuf_printf(s, " [no handler]"); 323 sbuf_printf(s, "\n"); 324 } 325 } 326 327 if (sndstat_verbose >= 3 && sndstat_files > 0) { 328 sbuf_printf(s, "\nFile Versions:\n"); 329 330 SLIST_FOREACH(ent, &sndstat_devlist, link) { 331 if (ent->dev == NULL && ent->str != NULL) 332 sbuf_printf(s, "%s\n", ent->str); 333 } 334 } 335 336 sbuf_finish(s); 337 return sbuf_len(s); 338} 339 340static int 341sndstat_init(void) 342{ 343 mtx_init(&sndstat_lock, "sndstat", NULL, 0); 344 sndstat_dev = make_dev(&sndstat_cdevsw, SND_DEV_STATUS, UID_ROOT, GID_WHEEL, 0444, "sndstat"); 345 346 return (sndstat_dev != 0)? 0 : ENXIO; 347} 348 349static int 350sndstat_uninit(void) 351{ 352 intrmask_t s; 353 354 s = spltty(); 355 mtx_lock(&sndstat_lock); 356 if (sndstat_isopen) { 357 mtx_unlock(&sndstat_lock); 358 splx(s); 359 return EBUSY; 360 } 361 362 if (sndstat_dev) 363 destroy_dev(sndstat_dev); 364 sndstat_dev = 0; 365 366 splx(s); 367 mtx_destroy(&sndstat_lock); 368 return 0; 369} 370 371int 372sndstat_busy(void) 373{ 374 return (sndstat_isopen); 375} 376 377static void 378sndstat_sysinit(void *p) 379{ 380 sndstat_init(); 381} 382 383static void 384sndstat_sysuninit(void *p) 385{ 386 sndstat_uninit(); 387} 388 389SYSINIT(sndstat_sysinit, SI_SUB_DRIVERS, SI_ORDER_FIRST, sndstat_sysinit, NULL); 390SYSUNINIT(sndstat_sysuninit, SI_SUB_DRIVERS, SI_ORDER_FIRST, sndstat_sysuninit, NULL); 391 392
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