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1// SPDX-License-Identifier: GPL-2.0-only2/******************************************************************************3 4 AudioScience HPI driver5 Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com>6 7 8Extended Message Function With Response Caching9 10(C) Copyright AudioScience Inc. 200211*****************************************************************************/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 20static const struct pci_device_id asihpi_pci_tbl[] = {21#include "hpipcida.h"22};23 24static struct hpios_spinlock msgx_lock;25 26static hpi_handler_func *hpi_entry_points[HPI_MAX_ADAPTERS];27static int logging_enabled = 1;28 29static hpi_handler_func *hpi_lookup_entry_point_function(const struct hpi_pci30 *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_ID37 && asihpi_pci_tbl[i].vendor !=38 pci_info->pci_dev->vendor)39 continue;40 if (asihpi_pci_tbl[i].device != PCI_ANY_ID41 && asihpi_pci_tbl[i].device !=42 pci_info->pci_dev->device)43 continue;44 if (asihpi_pci_tbl[i].subvendor != PCI_ANY_ID45 && asihpi_pci_tbl[i].subvendor !=46 pci_info->pci_dev->subsystem_vendor)47 continue;48 if (asihpi_pci_tbl[i].subdevice != PCI_ANY_ID49 && 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 61static 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 else68 hpi_init_response(phr, phm->object, phm->function,69 HPI_ERROR_PROCESSING_MESSAGE);70}71 72static void adapter_open(struct hpi_message *phm, struct hpi_response *phr);73static void adapter_close(struct hpi_message *phm, struct hpi_response *phr);74 75static void mixer_open(struct hpi_message *phm, struct hpi_response *phr);76static void mixer_close(struct hpi_message *phm, struct hpi_response *phr);77 78static void outstream_open(struct hpi_message *phm, struct hpi_response *phr,79 void *h_owner);80static void outstream_close(struct hpi_message *phm, struct hpi_response *phr,81 void *h_owner);82static void instream_open(struct hpi_message *phm, struct hpi_response *phr,83 void *h_owner);84static void instream_close(struct hpi_message *phm, struct hpi_response *phr,85 void *h_owner);86 87static void HPIMSGX__reset(u16 adapter_index);88 89static u16 HPIMSGX__init(struct hpi_message *phm, struct hpi_response *phr);90static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner);91 92#ifndef DISABLE_PRAGMA_PACK193#pragma pack(push, 1)94#endif95 96struct hpi_adapter_response {97 struct hpi_response_header h;98 struct hpi_adapter_res a;99};100 101struct hpi_mixer_response {102 struct hpi_response_header h;103 struct hpi_mixer_res m;104};105 106struct hpi_stream_response {107 struct hpi_response_header h;108 struct hpi_stream_res d;109};110 111struct adapter_info {112 u16 type;113 u16 num_instreams;114 u16 num_outstreams;115};116 117struct asi_open_state {118 int open_flag;119 void *h_owner;120};121 122#ifndef DISABLE_PRAGMA_PACK1123#pragma pack(pop)124#endif125 126/* Globals */127static struct hpi_adapter_response rESP_HPI_ADAPTER_OPEN[HPI_MAX_ADAPTERS];128 129static struct hpi_stream_response130 rESP_HPI_OSTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];131 132static struct hpi_stream_response133 rESP_HPI_ISTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];134 135static struct hpi_mixer_response rESP_HPI_MIXER_OPEN[HPI_MAX_ADAPTERS];136 137static struct adapter_info aDAPTER_INFO[HPI_MAX_ADAPTERS];138 139/* use these to keep track of opens from user mode apps/DLLs */140static struct asi_open_state141 outstream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];142 143static struct asi_open_state144 instream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS];145 146static 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 206static 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 235static 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 250static 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 272static 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 for295 * HPI_MessageEx so that functions in hpifunc.c compile.296 */297void 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_ADAPTERS311 && 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 352static 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 359static 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 365static 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 371static 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 376static 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 426static 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 473static 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 523static 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 571static 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], &hr,585 sizeof(rESP_HPI_ADAPTER_OPEN[0]));586 if (hr.error)587 return hr.error;588 589 /* call to HPI_ADAPTER_GET_INFO */590 hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER,591 HPI_ADAPTER_GET_INFO);592 hm.adapter_index = adapter;593 hw_entry_point(&hm, &hr);594 if (hr.error)595 return hr.error;596 597 aDAPTER_INFO[adapter].num_outstreams = hr.u.ax.info.num_outstreams;598 aDAPTER_INFO[adapter].num_instreams = hr.u.ax.info.num_instreams;599 aDAPTER_INFO[adapter].type = hr.u.ax.info.adapter_type;600 601 /* call to HPI_OSTREAM_OPEN */602 for (i = 0; i < aDAPTER_INFO[adapter].num_outstreams; i++) {603 hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM,604 HPI_OSTREAM_OPEN);605 hm.adapter_index = adapter;606 hm.obj_index = i;607 hw_entry_point(&hm, &hr);608 memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], &hr,609 sizeof(rESP_HPI_OSTREAM_OPEN[0][0]));610 outstream_user_open[adapter][i].open_flag = 0;611 outstream_user_open[adapter][i].h_owner = NULL;612 }613 614 /* call to HPI_ISTREAM_OPEN */615 for (i = 0; i < aDAPTER_INFO[adapter].num_instreams; i++) {616 hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM,617 HPI_ISTREAM_OPEN);618 hm.adapter_index = adapter;619 hm.obj_index = i;620 hw_entry_point(&hm, &hr);621 memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], &hr,622 sizeof(rESP_HPI_ISTREAM_OPEN[0][0]));623 instream_user_open[adapter][i].open_flag = 0;624 instream_user_open[adapter][i].h_owner = NULL;625 }626 627 /* call to HPI_MIXER_OPEN */628 hpi_init_message_response(&hm, &hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN);629 hm.adapter_index = adapter;630 hw_entry_point(&hm, &hr);631 memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr,632 sizeof(rESP_HPI_MIXER_OPEN[0]));633 634 return 0;635}636 637static void HPIMSGX__reset(u16 adapter_index)638{639 int i;640 u16 adapter;641 struct hpi_response hr;642 643 if (adapter_index == HPIMSGX_ALLADAPTERS) {644 for (adapter = 0; adapter < HPI_MAX_ADAPTERS; adapter++) {645 646 hpi_init_response(&hr, HPI_OBJ_ADAPTER,647 HPI_ADAPTER_OPEN, HPI_ERROR_BAD_ADAPTER);648 memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr,649 sizeof(rESP_HPI_ADAPTER_OPEN[adapter]));650 651 hpi_init_response(&hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN,652 HPI_ERROR_INVALID_OBJ);653 memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr,654 sizeof(rESP_HPI_MIXER_OPEN[adapter]));655 656 for (i = 0; i < HPI_MAX_STREAMS; i++) {657 hpi_init_response(&hr, HPI_OBJ_OSTREAM,658 HPI_OSTREAM_OPEN,659 HPI_ERROR_INVALID_OBJ);660 memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i],661 &hr,662 sizeof(rESP_HPI_OSTREAM_OPEN[adapter]663 [i]));664 hpi_init_response(&hr, HPI_OBJ_ISTREAM,665 HPI_ISTREAM_OPEN,666 HPI_ERROR_INVALID_OBJ);667 memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i],668 &hr,669 sizeof(rESP_HPI_ISTREAM_OPEN[adapter]670 [i]));671 }672 }673 } else if (adapter_index < HPI_MAX_ADAPTERS) {674 rESP_HPI_ADAPTER_OPEN[adapter_index].h.error =675 HPI_ERROR_BAD_ADAPTER;676 rESP_HPI_MIXER_OPEN[adapter_index].h.error =677 HPI_ERROR_INVALID_OBJ;678 for (i = 0; i < HPI_MAX_STREAMS; i++) {679 rESP_HPI_OSTREAM_OPEN[adapter_index][i].h.error =680 HPI_ERROR_INVALID_OBJ;681 rESP_HPI_ISTREAM_OPEN[adapter_index][i].h.error =682 HPI_ERROR_INVALID_OBJ;683 }684 }685}686 687static u16 HPIMSGX__init(struct hpi_message *phm,688 /* HPI_SUBSYS_CREATE_ADAPTER structure with */689 /* resource list or NULL=find all */690 struct hpi_response *phr691 /* response from HPI_ADAPTER_GET_INFO */692 )693{694 hpi_handler_func *entry_point_func;695 struct hpi_response hr;696 697 /* Init response here so we can pass in previous adapter list */698 hpi_init_response(&hr, phm->object, phm->function,699 HPI_ERROR_INVALID_OBJ);700 701 entry_point_func =702 hpi_lookup_entry_point_function(phm->u.s.resource.r.pci);703 704 if (entry_point_func) {705 HPI_DEBUG_MESSAGE(DEBUG, phm);706 entry_point_func(phm, &hr);707 } else {708 phr->error = HPI_ERROR_PROCESSING_MESSAGE;709 return phr->error;710 }711 if (hr.error == 0 && hr.u.s.adapter_index < HPI_MAX_ADAPTERS) {712 /* the adapter was created successfully713 save the mapping for future use */714 hpi_entry_points[hr.u.s.adapter_index] = entry_point_func;715 /* prepare adapter (pre-open streams etc.) */716 HPI_DEBUG_LOG(DEBUG,717 "HPI_SUBSYS_CREATE_ADAPTER successful,"718 " preparing adapter\n");719 adapter_prepare(hr.u.s.adapter_index);720 }721 memcpy(phr, &hr, hr.size);722 return phr->error;723}724 725static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner)726{727 int i, adapter, adapter_limit;728 729 if (!h_owner)730 return;731 732 if (adapter_index == HPIMSGX_ALLADAPTERS) {733 adapter = 0;734 adapter_limit = HPI_MAX_ADAPTERS;735 } else {736 adapter = adapter_index;737 adapter_limit = adapter + 1;738 }739 740 for (; adapter < adapter_limit; adapter++) {741 /* printk(KERN_INFO "Cleanup adapter #%d\n",wAdapter); */742 for (i = 0; i < HPI_MAX_STREAMS; i++) {743 if (h_owner ==744 outstream_user_open[adapter][i].h_owner) {745 struct hpi_message hm;746 struct hpi_response hr;747 748 HPI_DEBUG_LOG(DEBUG,749 "Close adapter %d ostream %d\n",750 adapter, i);751 752 hpi_init_message_response(&hm, &hr,753 HPI_OBJ_OSTREAM, HPI_OSTREAM_RESET);754 hm.adapter_index = (u16)adapter;755 hm.obj_index = (u16)i;756 hw_entry_point(&hm, &hr);757 758 hm.function = HPI_OSTREAM_HOSTBUFFER_FREE;759 hw_entry_point(&hm, &hr);760 761 hm.function = HPI_OSTREAM_GROUP_RESET;762 hw_entry_point(&hm, &hr);763 764 outstream_user_open[adapter][i].open_flag = 0;765 outstream_user_open[adapter][i].h_owner =766 NULL;767 }768 if (h_owner == instream_user_open[adapter][i].h_owner) {769 struct hpi_message hm;770 struct hpi_response hr;771 772 HPI_DEBUG_LOG(DEBUG,773 "Close adapter %d istream %d\n",774 adapter, i);775 776 hpi_init_message_response(&hm, &hr,777 HPI_OBJ_ISTREAM, HPI_ISTREAM_RESET);778 hm.adapter_index = (u16)adapter;779 hm.obj_index = (u16)i;780 hw_entry_point(&hm, &hr);781 782 hm.function = HPI_ISTREAM_HOSTBUFFER_FREE;783 hw_entry_point(&hm, &hr);784 785 hm.function = HPI_ISTREAM_GROUP_RESET;786 hw_entry_point(&hm, &hr);787 788 instream_user_open[adapter][i].open_flag = 0;789 instream_user_open[adapter][i].h_owner = NULL;790 }791 }792 }793}794