1 // SPDX-License-Identifier: GPL-2.0-only 2 /****************************************************************************** 3 4 AudioScience HPI driver 5 Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com> 6 7 8 Extended Message Function With Response Caching 9 10 (C) Copyright AudioScience Inc. 2002 11 *****************************************************************************/ 12 #define SOURCEFILE_NAME "hpimsgx.c" 13 #include "hpi_internal.h" 14 #include "hpi_version.h" 15 #include "hpimsginit.h" 16 #include "hpicmn.h" 17 #include "hpimsgx.h" 18 #include "hpidebug.h" 19 20 static const struct pci_device_id asihpi_pci_tbl[] = { 21 #include "hpipcida.h" 22 }; 23 24 static struct hpios_spinlock msgx_lock; 25 26 static hpi_handler_func *hpi_entry_points[HPI_MAX_ADAPTERS]; 27 static int logging_enabled = 1; 28 29 static hpi_handler_func *hpi_lookup_entry_point_function(const struct hpi_pci 30 *pci_info) 31 { 32 33 int i; 34 35 for (i = 0; asihpi_pci_tbl[i].vendor != 0; i++) { 36 if (asihpi_pci_tbl[i].vendor != PCI_ANY_ID 37 && asihpi_pci_tbl[i].vendor != 38 pci_info->pci_dev->vendor) 39 continue; 40 if (asihpi_pci_tbl[i].device != PCI_ANY_ID 41 && asihpi_pci_tbl[i].device != 42 pci_info->pci_dev->device) 43 continue; 44 if (asihpi_pci_tbl[i].subvendor != PCI_ANY_ID 45 && asihpi_pci_tbl[i].subvendor != 46 pci_info->pci_dev->subsystem_vendor) 47 continue; 48 if (asihpi_pci_tbl[i].subdevice != PCI_ANY_ID 49 && asihpi_pci_tbl[i].subdevice != 50 pci_info->pci_dev->subsystem_device) 51 continue; 52 53 /* HPI_DEBUG_LOG(DEBUG, " %x,%lx\n", i, 54 asihpi_pci_tbl[i].driver_data); */ 55 return (hpi_handler_func *) asihpi_pci_tbl[i].driver_data; 56 } 57 58 return NULL; 59 } 60 61 static inline void hw_entry_point(struct hpi_message *phm, 62 struct hpi_response *phr) 63 { 64 if ((phm->adapter_index < HPI_MAX_ADAPTERS) 65 && hpi_entry_points[phm->adapter_index]) 66 hpi_entry_points[phm->adapter_index] (phm, phr); 67 else 68 hpi_init_response(phr, phm->object, phm->function, 69 HPI_ERROR_PROCESSING_MESSAGE); 70 } 71 72 static void adapter_open(struct hpi_message *phm, struct hpi_response *phr); 73 static void adapter_close(struct hpi_message *phm, struct hpi_response *phr); 74 75 static void mixer_open(struct hpi_message *phm, struct hpi_response *phr); 76 static void mixer_close(struct hpi_message *phm, struct hpi_response *phr); 77 78 static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, 79 void *h_owner); 80 static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, 81 void *h_owner); 82 static void instream_open(struct hpi_message *phm, struct hpi_response *phr, 83 void *h_owner); 84 static void instream_close(struct hpi_message *phm, struct hpi_response *phr, 85 void *h_owner); 86 87 static void HPIMSGX__reset(u16 adapter_index); 88 89 static u16 HPIMSGX__init(struct hpi_message *phm, struct hpi_response *phr); 90 static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner); 91 92 #ifndef DISABLE_PRAGMA_PACK1 93 #pragma pack(push, 1) 94 #endif 95 96 struct hpi_adapter_response { 97 struct hpi_response_header h; 98 struct hpi_adapter_res a; 99 }; 100 101 struct hpi_mixer_response { 102 struct hpi_response_header h; 103 struct hpi_mixer_res m; 104 }; 105 106 struct hpi_stream_response { 107 struct hpi_response_header h; 108 struct hpi_stream_res d; 109 }; 110 111 struct adapter_info { 112 u16 type; 113 u16 num_instreams; 114 u16 num_outstreams; 115 }; 116 117 struct asi_open_state { 118 int open_flag; 119 void *h_owner; 120 }; 121 122 #ifndef DISABLE_PRAGMA_PACK1 123 #pragma pack(pop) 124 #endif 125 126 /* Globals */ 127 static struct hpi_adapter_response rESP_HPI_ADAPTER_OPEN[HPI_MAX_ADAPTERS]; 128 129 static struct hpi_stream_response 130 rESP_HPI_OSTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; 131 132 static struct hpi_stream_response 133 rESP_HPI_ISTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; 134 135 static struct hpi_mixer_response rESP_HPI_MIXER_OPEN[HPI_MAX_ADAPTERS]; 136 137 static struct adapter_info aDAPTER_INFO[HPI_MAX_ADAPTERS]; 138 139 /* use these to keep track of opens from user mode apps/DLLs */ 140 static struct asi_open_state 141 outstream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; 142 143 static struct asi_open_state 144 instream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; 145 146 static void subsys_message(struct hpi_message *phm, struct hpi_response *phr, 147 void *h_owner) 148 { 149 if (phm->adapter_index != HPI_ADAPTER_INDEX_INVALID) 150 HPI_DEBUG_LOG(WARNING, 151 "suspicious adapter index %d in subsys message 0x%x.\n", 152 phm->adapter_index, phm->function); 153 154 switch (phm->function) { 155 case HPI_SUBSYS_GET_VERSION: 156 hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, 157 HPI_SUBSYS_GET_VERSION, 0); 158 phr->u.s.version = HPI_VER >> 8; /* return major.minor */ 159 phr->u.s.data = HPI_VER; /* return major.minor.release */ 160 break; 161 case HPI_SUBSYS_OPEN: 162 /*do not propagate the message down the chain */ 163 hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_OPEN, 0); 164 break; 165 case HPI_SUBSYS_CLOSE: 166 /*do not propagate the message down the chain */ 167 hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_CLOSE, 168 0); 169 HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); 170 break; 171 case HPI_SUBSYS_DRIVER_LOAD: 172 /* Initialize this module's internal state */ 173 hpios_msgxlock_init(&msgx_lock); 174 memset(&hpi_entry_points, 0, sizeof(hpi_entry_points)); 175 /* Init subsys_findadapters response to no-adapters */ 176 HPIMSGX__reset(HPIMSGX_ALLADAPTERS); 177 hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, 178 HPI_SUBSYS_DRIVER_LOAD, 0); 179 /* individual HPIs dont implement driver load */ 180 HPI_COMMON(phm, phr); 181 break; 182 case HPI_SUBSYS_DRIVER_UNLOAD: 183 HPI_COMMON(phm, phr); 184 HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); 185 hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, 186 HPI_SUBSYS_DRIVER_UNLOAD, 0); 187 return; 188 189 case HPI_SUBSYS_GET_NUM_ADAPTERS: 190 case HPI_SUBSYS_GET_ADAPTER: 191 HPI_COMMON(phm, phr); 192 break; 193 194 case HPI_SUBSYS_CREATE_ADAPTER: 195 HPIMSGX__init(phm, phr); 196 break; 197 198 default: 199 /* Must explicitly handle every subsys message in this switch */ 200 hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function, 201 HPI_ERROR_INVALID_FUNC); 202 break; 203 } 204 } 205 206 static void adapter_message(struct hpi_message *phm, struct hpi_response *phr, 207 void *h_owner) 208 { 209 switch (phm->function) { 210 case HPI_ADAPTER_OPEN: 211 adapter_open(phm, phr); 212 break; 213 case HPI_ADAPTER_CLOSE: 214 adapter_close(phm, phr); 215 break; 216 case HPI_ADAPTER_DELETE: 217 HPIMSGX__cleanup(phm->adapter_index, h_owner); 218 { 219 struct hpi_message hm; 220 struct hpi_response hr; 221 hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, 222 HPI_ADAPTER_CLOSE); 223 hm.adapter_index = phm->adapter_index; 224 hw_entry_point(&hm, &hr); 225 } 226 hw_entry_point(phm, phr); 227 break; 228 229 default: 230 hw_entry_point(phm, phr); 231 break; 232 } 233 } 234 235 static void mixer_message(struct hpi_message *phm, struct hpi_response *phr) 236 { 237 switch (phm->function) { 238 case HPI_MIXER_OPEN: 239 mixer_open(phm, phr); 240 break; 241 case HPI_MIXER_CLOSE: 242 mixer_close(phm, phr); 243 break; 244 default: 245 hw_entry_point(phm, phr); 246 break; 247 } 248 } 249 250 static void outstream_message(struct hpi_message *phm, 251 struct hpi_response *phr, void *h_owner) 252 { 253 if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_outstreams) { 254 hpi_init_response(phr, HPI_OBJ_OSTREAM, phm->function, 255 HPI_ERROR_INVALID_OBJ_INDEX); 256 return; 257 } 258 259 switch (phm->function) { 260 case HPI_OSTREAM_OPEN: 261 outstream_open(phm, phr, h_owner); 262 break; 263 case HPI_OSTREAM_CLOSE: 264 outstream_close(phm, phr, h_owner); 265 break; 266 default: 267 hw_entry_point(phm, phr); 268 break; 269 } 270 } 271 272 static void instream_message(struct hpi_message *phm, 273 struct hpi_response *phr, void *h_owner) 274 { 275 if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_instreams) { 276 hpi_init_response(phr, HPI_OBJ_ISTREAM, phm->function, 277 HPI_ERROR_INVALID_OBJ_INDEX); 278 return; 279 } 280 281 switch (phm->function) { 282 case HPI_ISTREAM_OPEN: 283 instream_open(phm, phr, h_owner); 284 break; 285 case HPI_ISTREAM_CLOSE: 286 instream_close(phm, phr, h_owner); 287 break; 288 default: 289 hw_entry_point(phm, phr); 290 break; 291 } 292 } 293 294 /* NOTE: HPI_Message() must be defined in the driver as a wrapper for 295 * HPI_MessageEx so that functions in hpifunc.c compile. 296 */ 297 void hpi_send_recv_ex(struct hpi_message *phm, struct hpi_response *phr, 298 void *h_owner) 299 { 300 301 if (logging_enabled) 302 HPI_DEBUG_MESSAGE(DEBUG, phm); 303 304 if (phm->type != HPI_TYPE_REQUEST) { 305 hpi_init_response(phr, phm->object, phm->function, 306 HPI_ERROR_INVALID_TYPE); 307 return; 308 } 309 310 if (phm->adapter_index >= HPI_MAX_ADAPTERS 311 && phm->adapter_index != HPIMSGX_ALLADAPTERS) { 312 hpi_init_response(phr, phm->object, phm->function, 313 HPI_ERROR_BAD_ADAPTER_NUMBER); 314 return; 315 } 316 317 switch (phm->object) { 318 case HPI_OBJ_SUBSYSTEM: 319 subsys_message(phm, phr, h_owner); 320 break; 321 322 case HPI_OBJ_ADAPTER: 323 adapter_message(phm, phr, h_owner); 324 break; 325 326 case HPI_OBJ_MIXER: 327 mixer_message(phm, phr); 328 break; 329 330 case HPI_OBJ_OSTREAM: 331 outstream_message(phm, phr, h_owner); 332 break; 333 334 case HPI_OBJ_ISTREAM: 335 instream_message(phm, phr, h_owner); 336 break; 337 338 default: 339 hw_entry_point(phm, phr); 340 break; 341 } 342 343 if (logging_enabled) 344 HPI_DEBUG_RESPONSE(phr); 345 346 if (phr->error >= HPI_ERROR_DSP_COMMUNICATION) { 347 hpi_debug_level_set(HPI_DEBUG_LEVEL_ERROR); 348 logging_enabled = 0; 349 } 350 } 351 352 static void adapter_open(struct hpi_message *phm, struct hpi_response *phr) 353 { 354 HPI_DEBUG_LOG(VERBOSE, "adapter_open\n"); 355 memcpy(phr, &rESP_HPI_ADAPTER_OPEN[phm->adapter_index], 356 sizeof(rESP_HPI_ADAPTER_OPEN[0])); 357 } 358 359 static void adapter_close(struct hpi_message *phm, struct hpi_response *phr) 360 { 361 HPI_DEBUG_LOG(VERBOSE, "adapter_close\n"); 362 hpi_init_response(phr, HPI_OBJ_ADAPTER, HPI_ADAPTER_CLOSE, 0); 363 } 364 365 static void mixer_open(struct hpi_message *phm, struct hpi_response *phr) 366 { 367 memcpy(phr, &rESP_HPI_MIXER_OPEN[phm->adapter_index], 368 sizeof(rESP_HPI_MIXER_OPEN[0])); 369 } 370 371 static void mixer_close(struct hpi_message *phm, struct hpi_response *phr) 372 { 373 hpi_init_response(phr, HPI_OBJ_MIXER, HPI_MIXER_CLOSE, 0); 374 } 375 376 static void instream_open(struct hpi_message *phm, struct hpi_response *phr, 377 void *h_owner) 378 { 379 380 struct hpi_message hm; 381 struct hpi_response hr; 382 383 hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_OPEN, 0); 384 385 hpios_msgxlock_lock(&msgx_lock); 386 387 if (instream_user_open[phm->adapter_index][phm->obj_index].open_flag) 388 phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; 389 else if (rESP_HPI_ISTREAM_OPEN[phm->adapter_index] 390 [phm->obj_index].h.error) 391 memcpy(phr, 392 &rESP_HPI_ISTREAM_OPEN[phm->adapter_index][phm-> 393 obj_index], 394 sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); 395 else { 396 instream_user_open[phm->adapter_index][phm-> 397 obj_index].open_flag = 1; 398 hpios_msgxlock_unlock(&msgx_lock); 399 400 /* issue a reset */ 401 hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, 402 HPI_ISTREAM_RESET); 403 hm.adapter_index = phm->adapter_index; 404 hm.obj_index = phm->obj_index; 405 hw_entry_point(&hm, &hr); 406 407 hpios_msgxlock_lock(&msgx_lock); 408 if (hr.error) { 409 instream_user_open[phm->adapter_index][phm-> 410 obj_index].open_flag = 0; 411 phr->error = hr.error; 412 } else { 413 instream_user_open[phm->adapter_index][phm-> 414 obj_index].open_flag = 1; 415 instream_user_open[phm->adapter_index][phm-> 416 obj_index].h_owner = h_owner; 417 memcpy(phr, 418 &rESP_HPI_ISTREAM_OPEN[phm->adapter_index] 419 [phm->obj_index], 420 sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); 421 } 422 } 423 hpios_msgxlock_unlock(&msgx_lock); 424 } 425 426 static void instream_close(struct hpi_message *phm, struct hpi_response *phr, 427 void *h_owner) 428 { 429 430 struct hpi_message hm; 431 struct hpi_response hr; 432 433 hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_CLOSE, 0); 434 435 hpios_msgxlock_lock(&msgx_lock); 436 if (h_owner == 437 instream_user_open[phm->adapter_index][phm-> 438 obj_index].h_owner) { 439 /* HPI_DEBUG_LOG(INFO,"closing adapter %d " 440 "instream %d owned by %p\n", 441 phm->wAdapterIndex, phm->wObjIndex, hOwner); */ 442 instream_user_open[phm->adapter_index][phm-> 443 obj_index].h_owner = NULL; 444 hpios_msgxlock_unlock(&msgx_lock); 445 /* issue a reset */ 446 hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, 447 HPI_ISTREAM_RESET); 448 hm.adapter_index = phm->adapter_index; 449 hm.obj_index = phm->obj_index; 450 hw_entry_point(&hm, &hr); 451 hpios_msgxlock_lock(&msgx_lock); 452 if (hr.error) { 453 instream_user_open[phm->adapter_index][phm-> 454 obj_index].h_owner = h_owner; 455 phr->error = hr.error; 456 } else { 457 instream_user_open[phm->adapter_index][phm-> 458 obj_index].open_flag = 0; 459 instream_user_open[phm->adapter_index][phm-> 460 obj_index].h_owner = NULL; 461 } 462 } else { 463 HPI_DEBUG_LOG(WARNING, 464 "%p trying to close %d instream %d owned by %p\n", 465 h_owner, phm->adapter_index, phm->obj_index, 466 instream_user_open[phm->adapter_index][phm-> 467 obj_index].h_owner); 468 phr->error = HPI_ERROR_OBJ_NOT_OPEN; 469 } 470 hpios_msgxlock_unlock(&msgx_lock); 471 } 472 473 static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, 474 void *h_owner) 475 { 476 477 struct hpi_message hm; 478 struct hpi_response hr; 479 480 hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_OPEN, 0); 481 482 hpios_msgxlock_lock(&msgx_lock); 483 484 if (outstream_user_open[phm->adapter_index][phm->obj_index].open_flag) 485 phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; 486 else if (rESP_HPI_OSTREAM_OPEN[phm->adapter_index] 487 [phm->obj_index].h.error) 488 memcpy(phr, 489 &rESP_HPI_OSTREAM_OPEN[phm->adapter_index][phm-> 490 obj_index], 491 sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); 492 else { 493 outstream_user_open[phm->adapter_index][phm-> 494 obj_index].open_flag = 1; 495 hpios_msgxlock_unlock(&msgx_lock); 496 497 /* issue a reset */ 498 hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, 499 HPI_OSTREAM_RESET); 500 hm.adapter_index = phm->adapter_index; 501 hm.obj_index = phm->obj_index; 502 hw_entry_point(&hm, &hr); 503 504 hpios_msgxlock_lock(&msgx_lock); 505 if (hr.error) { 506 outstream_user_open[phm->adapter_index][phm-> 507 obj_index].open_flag = 0; 508 phr->error = hr.error; 509 } else { 510 outstream_user_open[phm->adapter_index][phm-> 511 obj_index].open_flag = 1; 512 outstream_user_open[phm->adapter_index][phm-> 513 obj_index].h_owner = h_owner; 514 memcpy(phr, 515 &rESP_HPI_OSTREAM_OPEN[phm->adapter_index] 516 [phm->obj_index], 517 sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); 518 } 519 } 520 hpios_msgxlock_unlock(&msgx_lock); 521 } 522 523 static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, 524 void *h_owner) 525 { 526 527 struct hpi_message hm; 528 struct hpi_response hr; 529 530 hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_CLOSE, 0); 531 532 hpios_msgxlock_lock(&msgx_lock); 533 534 if (h_owner == 535 outstream_user_open[phm->adapter_index][phm-> 536 obj_index].h_owner) { 537 /* HPI_DEBUG_LOG(INFO,"closing adapter %d " 538 "outstream %d owned by %p\n", 539 phm->wAdapterIndex, phm->wObjIndex, hOwner); */ 540 outstream_user_open[phm->adapter_index][phm-> 541 obj_index].h_owner = NULL; 542 hpios_msgxlock_unlock(&msgx_lock); 543 /* issue a reset */ 544 hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, 545 HPI_OSTREAM_RESET); 546 hm.adapter_index = phm->adapter_index; 547 hm.obj_index = phm->obj_index; 548 hw_entry_point(&hm, &hr); 549 hpios_msgxlock_lock(&msgx_lock); 550 if (hr.error) { 551 outstream_user_open[phm->adapter_index][phm-> 552 obj_index].h_owner = h_owner; 553 phr->error = hr.error; 554 } else { 555 outstream_user_open[phm->adapter_index][phm-> 556 obj_index].open_flag = 0; 557 outstream_user_open[phm->adapter_index][phm-> 558 obj_index].h_owner = NULL; 559 } 560 } else { 561 HPI_DEBUG_LOG(WARNING, 562 "%p trying to close %d outstream %d owned by %p\n", 563 h_owner, phm->adapter_index, phm->obj_index, 564 outstream_user_open[phm->adapter_index][phm-> 565 obj_index].h_owner); 566 phr->error = HPI_ERROR_OBJ_NOT_OPEN; 567 } 568 hpios_msgxlock_unlock(&msgx_lock); 569 } 570 571 static u16 adapter_prepare(u16 adapter) 572 { 573 struct hpi_message hm; 574 struct hpi_response hr; 575 576 /* Open the adapter and streams */ 577 u16 i; 578 579 /* call to HPI_ADAPTER_OPEN */ 580 hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, 581 HPI_ADAPTER_OPEN); 582 hm.adapter_index = adapter; 583 hw_entry_point(&hm, &hr); 584 memcpy(&rESP_HPI_ADAPTER_OPEN[adapter].h, &hr, 585 sizeof(rESP_HPI_ADAPTER_OPEN[adapter].h)); 586 memcpy(&rESP_HPI_ADAPTER_OPEN[adapter].a, &hr.u.ax.info, 587 sizeof(rESP_HPI_ADAPTER_OPEN[adapter].a)); 588 if (hr.error) 589 return hr.error; 590 591 /* call to HPI_ADAPTER_GET_INFO */ 592 hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, 593 HPI_ADAPTER_GET_INFO); 594 hm.adapter_index = adapter; 595 hw_entry_point(&hm, &hr); 596 if (hr.error) 597 return hr.error; 598 599 aDAPTER_INFO[adapter].num_outstreams = hr.u.ax.info.num_outstreams; 600 aDAPTER_INFO[adapter].num_instreams = hr.u.ax.info.num_instreams; 601 aDAPTER_INFO[adapter].type = hr.u.ax.info.adapter_type; 602 603 /* call to HPI_OSTREAM_OPEN */ 604 for (i = 0; i < aDAPTER_INFO[adapter].num_outstreams; i++) { 605 hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, 606 HPI_OSTREAM_OPEN); 607 hm.adapter_index = adapter; 608 hm.obj_index = i; 609 hw_entry_point(&hm, &hr); 610 memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], &hr, 611 sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); 612 outstream_user_open[adapter][i].open_flag = 0; 613 outstream_user_open[adapter][i].h_owner = NULL; 614 } 615 616 /* call to HPI_ISTREAM_OPEN */ 617 for (i = 0; i < aDAPTER_INFO[adapter].num_instreams; i++) { 618 hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, 619 HPI_ISTREAM_OPEN); 620 hm.adapter_index = adapter; 621 hm.obj_index = i; 622 hw_entry_point(&hm, &hr); 623 memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], &hr, 624 sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); 625 instream_user_open[adapter][i].open_flag = 0; 626 instream_user_open[adapter][i].h_owner = NULL; 627 } 628 629 /* call to HPI_MIXER_OPEN */ 630 hpi_init_message_response(&hm, &hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN); 631 hm.adapter_index = adapter; 632 hw_entry_point(&hm, &hr); 633 memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, 634 sizeof(rESP_HPI_MIXER_OPEN[0])); 635 636 return 0; 637 } 638 639 static void HPIMSGX__reset(u16 adapter_index) 640 { 641 int i; 642 u16 adapter; 643 struct hpi_response hr; 644 645 if (adapter_index == HPIMSGX_ALLADAPTERS) { 646 for (adapter = 0; adapter < HPI_MAX_ADAPTERS; adapter++) { 647 648 hpi_init_response(&hr, HPI_OBJ_ADAPTER, 649 HPI_ADAPTER_OPEN, HPI_ERROR_BAD_ADAPTER); 650 memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, 651 sizeof(rESP_HPI_ADAPTER_OPEN[adapter])); 652 653 hpi_init_response(&hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN, 654 HPI_ERROR_INVALID_OBJ); 655 memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, 656 sizeof(rESP_HPI_MIXER_OPEN[adapter])); 657 658 for (i = 0; i < HPI_MAX_STREAMS; i++) { 659 hpi_init_response(&hr, HPI_OBJ_OSTREAM, 660 HPI_OSTREAM_OPEN, 661 HPI_ERROR_INVALID_OBJ); 662 memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], 663 &hr, 664 sizeof(rESP_HPI_OSTREAM_OPEN[adapter] 665 [i])); 666 hpi_init_response(&hr, HPI_OBJ_ISTREAM, 667 HPI_ISTREAM_OPEN, 668 HPI_ERROR_INVALID_OBJ); 669 memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], 670 &hr, 671 sizeof(rESP_HPI_ISTREAM_OPEN[adapter] 672 [i])); 673 } 674 } 675 } else if (adapter_index < HPI_MAX_ADAPTERS) { 676 rESP_HPI_ADAPTER_OPEN[adapter_index].h.error = 677 HPI_ERROR_BAD_ADAPTER; 678 rESP_HPI_MIXER_OPEN[adapter_index].h.error = 679 HPI_ERROR_INVALID_OBJ; 680 for (i = 0; i < HPI_MAX_STREAMS; i++) { 681 rESP_HPI_OSTREAM_OPEN[adapter_index][i].h.error = 682 HPI_ERROR_INVALID_OBJ; 683 rESP_HPI_ISTREAM_OPEN[adapter_index][i].h.error = 684 HPI_ERROR_INVALID_OBJ; 685 } 686 } 687 } 688 689 static u16 HPIMSGX__init(struct hpi_message *phm, 690 /* HPI_SUBSYS_CREATE_ADAPTER structure with */ 691 /* resource list or NULL=find all */ 692 struct hpi_response *phr 693 /* response from HPI_ADAPTER_GET_INFO */ 694 ) 695 { 696 hpi_handler_func *entry_point_func; 697 struct hpi_response hr; 698 699 /* Init response here so we can pass in previous adapter list */ 700 hpi_init_response(&hr, phm->object, phm->function, 701 HPI_ERROR_INVALID_OBJ); 702 703 entry_point_func = 704 hpi_lookup_entry_point_function(phm->u.s.resource.r.pci); 705 706 if (entry_point_func) { 707 HPI_DEBUG_MESSAGE(DEBUG, phm); 708 entry_point_func(phm, &hr); 709 } else { 710 phr->error = HPI_ERROR_PROCESSING_MESSAGE; 711 return phr->error; 712 } 713 if (hr.error == 0 && hr.u.s.adapter_index < HPI_MAX_ADAPTERS) { 714 /* the adapter was created successfully 715 save the mapping for future use */ 716 hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; 717 /* prepare adapter (pre-open streams etc.) */ 718 HPI_DEBUG_LOG(DEBUG, 719 "HPI_SUBSYS_CREATE_ADAPTER successful," 720 " preparing adapter\n"); 721 adapter_prepare(hr.u.s.adapter_index); 722 } 723 memcpy(phr, &hr, hr.size); 724 return phr->error; 725 } 726 727 static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner) 728 { 729 int i, adapter, adapter_limit; 730 731 if (!h_owner) 732 return; 733 734 if (adapter_index == HPIMSGX_ALLADAPTERS) { 735 adapter = 0; 736 adapter_limit = HPI_MAX_ADAPTERS; 737 } else { 738 adapter = adapter_index; 739 adapter_limit = adapter + 1; 740 } 741 742 for (; adapter < adapter_limit; adapter++) { 743 /* printk(KERN_INFO "Cleanup adapter #%d\n",wAdapter); */ 744 for (i = 0; i < HPI_MAX_STREAMS; i++) { 745 if (h_owner == 746 outstream_user_open[adapter][i].h_owner) { 747 struct hpi_message hm; 748 struct hpi_response hr; 749 750 HPI_DEBUG_LOG(DEBUG, 751 "Close adapter %d ostream %d\n", 752 adapter, i); 753 754 hpi_init_message_response(&hm, &hr, 755 HPI_OBJ_OSTREAM, HPI_OSTREAM_RESET); 756 hm.adapter_index = (u16)adapter; 757 hm.obj_index = (u16)i; 758 hw_entry_point(&hm, &hr); 759 760 hm.function = HPI_OSTREAM_HOSTBUFFER_FREE; 761 hw_entry_point(&hm, &hr); 762 763 hm.function = HPI_OSTREAM_GROUP_RESET; 764 hw_entry_point(&hm, &hr); 765 766 outstream_user_open[adapter][i].open_flag = 0; 767 outstream_user_open[adapter][i].h_owner = 768 NULL; 769 } 770 if (h_owner == instream_user_open[adapter][i].h_owner) { 771 struct hpi_message hm; 772 struct hpi_response hr; 773 774 HPI_DEBUG_LOG(DEBUG, 775 "Close adapter %d istream %d\n", 776 adapter, i); 777 778 hpi_init_message_response(&hm, &hr, 779 HPI_OBJ_ISTREAM, HPI_ISTREAM_RESET); 780 hm.adapter_index = (u16)adapter; 781 hm.obj_index = (u16)i; 782 hw_entry_point(&hm, &hr); 783 784 hm.function = HPI_ISTREAM_HOSTBUFFER_FREE; 785 hw_entry_point(&hm, &hr); 786 787 hm.function = HPI_ISTREAM_GROUP_RESET; 788 hw_entry_point(&hm, &hr); 789 790 instream_user_open[adapter][i].open_flag = 0; 791 instream_user_open[adapter][i].h_owner = NULL; 792 } 793 } 794 } 795 } 796