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719f82d3 EB |
1 | /****************************************************************************** |
2 | ||
3 | AudioScience HPI driver | |
4 | Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of version 2 of the GNU General Public License as | |
8 | published by the Free Software Foundation; | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | ||
19 | Extended Message Function With Response Cacheing | |
20 | ||
21 | (C) Copyright AudioScience Inc. 2002 | |
22 | *****************************************************************************/ | |
23 | #define SOURCEFILE_NAME "hpimsgx.c" | |
24 | #include "hpi_internal.h" | |
25 | #include "hpimsginit.h" | |
3285ea10 | 26 | #include "hpicmn.h" |
719f82d3 EB |
27 | #include "hpimsgx.h" |
28 | #include "hpidebug.h" | |
29 | ||
30 | static struct pci_device_id asihpi_pci_tbl[] = { | |
31 | #include "hpipcida.h" | |
32 | }; | |
33 | ||
34 | static struct hpios_spinlock msgx_lock; | |
35 | ||
36 | static hpi_handler_func *hpi_entry_points[HPI_MAX_ADAPTERS]; | |
37 | ||
38 | static hpi_handler_func *hpi_lookup_entry_point_function(const struct hpi_pci | |
39 | *pci_info) | |
40 | { | |
41 | ||
42 | int i; | |
43 | ||
44 | for (i = 0; asihpi_pci_tbl[i].vendor != 0; i++) { | |
45 | if (asihpi_pci_tbl[i].vendor != PCI_ANY_ID | |
3285ea10 EB |
46 | && asihpi_pci_tbl[i].vendor != |
47 | pci_info->pci_dev->vendor) | |
719f82d3 EB |
48 | continue; |
49 | if (asihpi_pci_tbl[i].device != PCI_ANY_ID | |
3285ea10 EB |
50 | && asihpi_pci_tbl[i].device != |
51 | pci_info->pci_dev->device) | |
719f82d3 EB |
52 | continue; |
53 | if (asihpi_pci_tbl[i].subvendor != PCI_ANY_ID | |
54 | && asihpi_pci_tbl[i].subvendor != | |
3285ea10 | 55 | pci_info->pci_dev->subsystem_vendor) |
719f82d3 EB |
56 | continue; |
57 | if (asihpi_pci_tbl[i].subdevice != PCI_ANY_ID | |
58 | && asihpi_pci_tbl[i].subdevice != | |
3285ea10 | 59 | pci_info->pci_dev->subsystem_device) |
719f82d3 EB |
60 | continue; |
61 | ||
3285ea10 EB |
62 | /* HPI_DEBUG_LOG(DEBUG, " %x,%lx\n", i, |
63 | asihpi_pci_tbl[i].driver_data); */ | |
719f82d3 EB |
64 | return (hpi_handler_func *) asihpi_pci_tbl[i].driver_data; |
65 | } | |
66 | ||
67 | return NULL; | |
68 | } | |
69 | ||
70 | static inline void hw_entry_point(struct hpi_message *phm, | |
71 | struct hpi_response *phr) | |
72 | { | |
3285ea10 EB |
73 | if ((phm->adapter_index < HPI_MAX_ADAPTERS) |
74 | && hpi_entry_points[phm->adapter_index]) | |
75 | hpi_entry_points[phm->adapter_index] (phm, phr); | |
76 | else | |
77 | hpi_init_response(phr, phm->object, phm->function, | |
78 | HPI_ERROR_PROCESSING_MESSAGE); | |
719f82d3 EB |
79 | } |
80 | ||
81 | static void adapter_open(struct hpi_message *phm, struct hpi_response *phr); | |
82 | static void adapter_close(struct hpi_message *phm, struct hpi_response *phr); | |
83 | ||
84 | static void mixer_open(struct hpi_message *phm, struct hpi_response *phr); | |
85 | static void mixer_close(struct hpi_message *phm, struct hpi_response *phr); | |
86 | ||
87 | static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, | |
88 | void *h_owner); | |
89 | static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, | |
90 | void *h_owner); | |
91 | static void instream_open(struct hpi_message *phm, struct hpi_response *phr, | |
92 | void *h_owner); | |
93 | static void instream_close(struct hpi_message *phm, struct hpi_response *phr, | |
94 | void *h_owner); | |
95 | ||
96 | static void HPIMSGX__reset(u16 adapter_index); | |
3285ea10 | 97 | |
719f82d3 EB |
98 | static u16 HPIMSGX__init(struct hpi_message *phm, struct hpi_response *phr); |
99 | static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner); | |
100 | ||
101 | #ifndef DISABLE_PRAGMA_PACK1 | |
102 | #pragma pack(push, 1) | |
103 | #endif | |
104 | ||
105 | struct hpi_subsys_response { | |
106 | struct hpi_response_header h; | |
107 | struct hpi_subsys_res s; | |
108 | }; | |
109 | ||
110 | struct hpi_adapter_response { | |
111 | struct hpi_response_header h; | |
112 | struct hpi_adapter_res a; | |
113 | }; | |
114 | ||
115 | struct hpi_mixer_response { | |
116 | struct hpi_response_header h; | |
117 | struct hpi_mixer_res m; | |
118 | }; | |
119 | ||
120 | struct hpi_stream_response { | |
121 | struct hpi_response_header h; | |
122 | struct hpi_stream_res d; | |
123 | }; | |
124 | ||
125 | struct adapter_info { | |
126 | u16 type; | |
127 | u16 num_instreams; | |
128 | u16 num_outstreams; | |
129 | }; | |
130 | ||
131 | struct asi_open_state { | |
132 | int open_flag; | |
133 | void *h_owner; | |
134 | }; | |
135 | ||
136 | #ifndef DISABLE_PRAGMA_PACK1 | |
137 | #pragma pack(pop) | |
138 | #endif | |
139 | ||
140 | /* Globals */ | |
141 | static struct hpi_adapter_response rESP_HPI_ADAPTER_OPEN[HPI_MAX_ADAPTERS]; | |
142 | ||
143 | static struct hpi_stream_response | |
144 | rESP_HPI_OSTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; | |
145 | ||
146 | static struct hpi_stream_response | |
147 | rESP_HPI_ISTREAM_OPEN[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; | |
148 | ||
149 | static struct hpi_mixer_response rESP_HPI_MIXER_OPEN[HPI_MAX_ADAPTERS]; | |
150 | ||
719f82d3 EB |
151 | static struct adapter_info aDAPTER_INFO[HPI_MAX_ADAPTERS]; |
152 | ||
153 | /* use these to keep track of opens from user mode apps/DLLs */ | |
154 | static struct asi_open_state | |
155 | outstream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; | |
156 | ||
157 | static struct asi_open_state | |
158 | instream_user_open[HPI_MAX_ADAPTERS][HPI_MAX_STREAMS]; | |
159 | ||
160 | static void subsys_message(struct hpi_message *phm, struct hpi_response *phr, | |
161 | void *h_owner) | |
162 | { | |
3285ea10 EB |
163 | if (phm->adapter_index != HPI_ADAPTER_INDEX_INVALID) |
164 | HPI_DEBUG_LOG(WARNING, | |
165 | "suspicious adapter index %d in subsys message 0x%x.\n", | |
166 | phm->adapter_index, phm->function); | |
167 | ||
719f82d3 EB |
168 | switch (phm->function) { |
169 | case HPI_SUBSYS_GET_VERSION: | |
170 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, | |
171 | HPI_SUBSYS_GET_VERSION, 0); | |
172 | phr->u.s.version = HPI_VER >> 8; /* return major.minor */ | |
173 | phr->u.s.data = HPI_VER; /* return major.minor.release */ | |
174 | break; | |
175 | case HPI_SUBSYS_OPEN: | |
176 | /*do not propagate the message down the chain */ | |
177 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_OPEN, 0); | |
178 | break; | |
179 | case HPI_SUBSYS_CLOSE: | |
180 | /*do not propagate the message down the chain */ | |
181 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_CLOSE, | |
182 | 0); | |
183 | HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); | |
184 | break; | |
185 | case HPI_SUBSYS_DRIVER_LOAD: | |
186 | /* Initialize this module's internal state */ | |
187 | hpios_msgxlock_init(&msgx_lock); | |
188 | memset(&hpi_entry_points, 0, sizeof(hpi_entry_points)); | |
719f82d3 EB |
189 | /* Init subsys_findadapters response to no-adapters */ |
190 | HPIMSGX__reset(HPIMSGX_ALLADAPTERS); | |
191 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, | |
192 | HPI_SUBSYS_DRIVER_LOAD, 0); | |
193 | /* individual HPIs dont implement driver load */ | |
194 | HPI_COMMON(phm, phr); | |
195 | break; | |
196 | case HPI_SUBSYS_DRIVER_UNLOAD: | |
197 | HPI_COMMON(phm, phr); | |
198 | HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); | |
719f82d3 EB |
199 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, |
200 | HPI_SUBSYS_DRIVER_UNLOAD, 0); | |
201 | return; | |
202 | ||
719f82d3 | 203 | case HPI_SUBSYS_GET_NUM_ADAPTERS: |
719f82d3 | 204 | case HPI_SUBSYS_GET_ADAPTER: |
3285ea10 EB |
205 | HPI_COMMON(phm, phr); |
206 | break; | |
719f82d3 | 207 | |
719f82d3 EB |
208 | case HPI_SUBSYS_CREATE_ADAPTER: |
209 | HPIMSGX__init(phm, phr); | |
210 | break; | |
3285ea10 | 211 | |
719f82d3 | 212 | default: |
1d595d2a | 213 | /* Must explicitly handle every subsys message in this switch */ |
3285ea10 EB |
214 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function, |
215 | HPI_ERROR_INVALID_FUNC); | |
719f82d3 EB |
216 | break; |
217 | } | |
218 | } | |
219 | ||
220 | static void adapter_message(struct hpi_message *phm, struct hpi_response *phr, | |
221 | void *h_owner) | |
222 | { | |
223 | switch (phm->function) { | |
224 | case HPI_ADAPTER_OPEN: | |
225 | adapter_open(phm, phr); | |
226 | break; | |
227 | case HPI_ADAPTER_CLOSE: | |
228 | adapter_close(phm, phr); | |
229 | break; | |
6d0b898e EB |
230 | case HPI_ADAPTER_DELETE: |
231 | HPIMSGX__cleanup(phm->adapter_index, h_owner); | |
232 | { | |
233 | struct hpi_message hm; | |
234 | struct hpi_response hr; | |
235 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, | |
236 | HPI_ADAPTER_CLOSE); | |
237 | hm.adapter_index = phm->adapter_index; | |
238 | hw_entry_point(&hm, &hr); | |
239 | } | |
240 | hw_entry_point(phm, phr); | |
241 | break; | |
242 | ||
719f82d3 EB |
243 | default: |
244 | hw_entry_point(phm, phr); | |
245 | break; | |
246 | } | |
247 | } | |
248 | ||
249 | static void mixer_message(struct hpi_message *phm, struct hpi_response *phr) | |
250 | { | |
251 | switch (phm->function) { | |
252 | case HPI_MIXER_OPEN: | |
253 | mixer_open(phm, phr); | |
254 | break; | |
255 | case HPI_MIXER_CLOSE: | |
256 | mixer_close(phm, phr); | |
257 | break; | |
258 | default: | |
259 | hw_entry_point(phm, phr); | |
260 | break; | |
261 | } | |
262 | } | |
263 | ||
264 | static void outstream_message(struct hpi_message *phm, | |
265 | struct hpi_response *phr, void *h_owner) | |
266 | { | |
267 | if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_outstreams) { | |
268 | hpi_init_response(phr, HPI_OBJ_OSTREAM, phm->function, | |
269 | HPI_ERROR_INVALID_OBJ_INDEX); | |
270 | return; | |
271 | } | |
272 | ||
273 | switch (phm->function) { | |
274 | case HPI_OSTREAM_OPEN: | |
275 | outstream_open(phm, phr, h_owner); | |
276 | break; | |
277 | case HPI_OSTREAM_CLOSE: | |
278 | outstream_close(phm, phr, h_owner); | |
279 | break; | |
280 | default: | |
281 | hw_entry_point(phm, phr); | |
282 | break; | |
283 | } | |
284 | } | |
285 | ||
286 | static void instream_message(struct hpi_message *phm, | |
287 | struct hpi_response *phr, void *h_owner) | |
288 | { | |
289 | if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_instreams) { | |
290 | hpi_init_response(phr, HPI_OBJ_ISTREAM, phm->function, | |
291 | HPI_ERROR_INVALID_OBJ_INDEX); | |
292 | return; | |
293 | } | |
294 | ||
295 | switch (phm->function) { | |
296 | case HPI_ISTREAM_OPEN: | |
297 | instream_open(phm, phr, h_owner); | |
298 | break; | |
299 | case HPI_ISTREAM_CLOSE: | |
300 | instream_close(phm, phr, h_owner); | |
301 | break; | |
302 | default: | |
303 | hw_entry_point(phm, phr); | |
304 | break; | |
305 | } | |
306 | } | |
307 | ||
308 | /* NOTE: HPI_Message() must be defined in the driver as a wrapper for | |
309 | * HPI_MessageEx so that functions in hpifunc.c compile. | |
310 | */ | |
311 | void hpi_send_recv_ex(struct hpi_message *phm, struct hpi_response *phr, | |
312 | void *h_owner) | |
313 | { | |
314 | HPI_DEBUG_MESSAGE(DEBUG, phm); | |
315 | ||
82b5774f | 316 | if (phm->type != HPI_TYPE_REQUEST) { |
719f82d3 EB |
317 | hpi_init_response(phr, phm->object, phm->function, |
318 | HPI_ERROR_INVALID_TYPE); | |
319 | return; | |
320 | } | |
321 | ||
322 | if (phm->adapter_index >= HPI_MAX_ADAPTERS | |
323 | && phm->adapter_index != HPIMSGX_ALLADAPTERS) { | |
324 | hpi_init_response(phr, phm->object, phm->function, | |
325 | HPI_ERROR_BAD_ADAPTER_NUMBER); | |
326 | return; | |
327 | } | |
328 | ||
329 | switch (phm->object) { | |
330 | case HPI_OBJ_SUBSYSTEM: | |
331 | subsys_message(phm, phr, h_owner); | |
332 | break; | |
333 | ||
334 | case HPI_OBJ_ADAPTER: | |
335 | adapter_message(phm, phr, h_owner); | |
336 | break; | |
337 | ||
338 | case HPI_OBJ_MIXER: | |
339 | mixer_message(phm, phr); | |
340 | break; | |
341 | ||
342 | case HPI_OBJ_OSTREAM: | |
343 | outstream_message(phm, phr, h_owner); | |
344 | break; | |
345 | ||
346 | case HPI_OBJ_ISTREAM: | |
347 | instream_message(phm, phr, h_owner); | |
348 | break; | |
349 | ||
350 | default: | |
351 | hw_entry_point(phm, phr); | |
352 | break; | |
353 | } | |
354 | HPI_DEBUG_RESPONSE(phr); | |
3285ea10 | 355 | |
719f82d3 EB |
356 | } |
357 | ||
358 | static void adapter_open(struct hpi_message *phm, struct hpi_response *phr) | |
359 | { | |
360 | HPI_DEBUG_LOG(VERBOSE, "adapter_open\n"); | |
361 | memcpy(phr, &rESP_HPI_ADAPTER_OPEN[phm->adapter_index], | |
362 | sizeof(rESP_HPI_ADAPTER_OPEN[0])); | |
363 | } | |
364 | ||
365 | static void adapter_close(struct hpi_message *phm, struct hpi_response *phr) | |
366 | { | |
367 | HPI_DEBUG_LOG(VERBOSE, "adapter_close\n"); | |
368 | hpi_init_response(phr, HPI_OBJ_ADAPTER, HPI_ADAPTER_CLOSE, 0); | |
369 | } | |
370 | ||
371 | static void mixer_open(struct hpi_message *phm, struct hpi_response *phr) | |
372 | { | |
373 | memcpy(phr, &rESP_HPI_MIXER_OPEN[phm->adapter_index], | |
374 | sizeof(rESP_HPI_MIXER_OPEN[0])); | |
375 | } | |
376 | ||
377 | static void mixer_close(struct hpi_message *phm, struct hpi_response *phr) | |
378 | { | |
379 | hpi_init_response(phr, HPI_OBJ_MIXER, HPI_MIXER_CLOSE, 0); | |
380 | } | |
381 | ||
382 | static void instream_open(struct hpi_message *phm, struct hpi_response *phr, | |
383 | void *h_owner) | |
384 | { | |
385 | ||
386 | struct hpi_message hm; | |
387 | struct hpi_response hr; | |
388 | ||
389 | hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_OPEN, 0); | |
390 | ||
391 | hpios_msgxlock_lock(&msgx_lock); | |
392 | ||
393 | if (instream_user_open[phm->adapter_index][phm->obj_index].open_flag) | |
394 | phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; | |
395 | else if (rESP_HPI_ISTREAM_OPEN[phm->adapter_index] | |
396 | [phm->obj_index].h.error) | |
397 | memcpy(phr, | |
398 | &rESP_HPI_ISTREAM_OPEN[phm->adapter_index][phm-> | |
399 | obj_index], | |
400 | sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); | |
401 | else { | |
402 | instream_user_open[phm->adapter_index][phm-> | |
403 | obj_index].open_flag = 1; | |
3285ea10 | 404 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
405 | |
406 | /* issue a reset */ | |
407 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, | |
408 | HPI_ISTREAM_RESET); | |
409 | hm.adapter_index = phm->adapter_index; | |
410 | hm.obj_index = phm->obj_index; | |
411 | hw_entry_point(&hm, &hr); | |
412 | ||
413 | hpios_msgxlock_lock(&msgx_lock); | |
414 | if (hr.error) { | |
415 | instream_user_open[phm->adapter_index][phm-> | |
416 | obj_index].open_flag = 0; | |
417 | phr->error = hr.error; | |
418 | } else { | |
419 | instream_user_open[phm->adapter_index][phm-> | |
420 | obj_index].open_flag = 1; | |
421 | instream_user_open[phm->adapter_index][phm-> | |
422 | obj_index].h_owner = h_owner; | |
423 | memcpy(phr, | |
424 | &rESP_HPI_ISTREAM_OPEN[phm->adapter_index] | |
425 | [phm->obj_index], | |
426 | sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); | |
427 | } | |
428 | } | |
3285ea10 | 429 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
430 | } |
431 | ||
432 | static void instream_close(struct hpi_message *phm, struct hpi_response *phr, | |
433 | void *h_owner) | |
434 | { | |
435 | ||
436 | struct hpi_message hm; | |
437 | struct hpi_response hr; | |
438 | ||
439 | hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_CLOSE, 0); | |
440 | ||
441 | hpios_msgxlock_lock(&msgx_lock); | |
442 | if (h_owner == | |
443 | instream_user_open[phm->adapter_index][phm-> | |
444 | obj_index].h_owner) { | |
445 | /* HPI_DEBUG_LOG(INFO,"closing adapter %d " | |
446 | "instream %d owned by %p\n", | |
447 | phm->wAdapterIndex, phm->wObjIndex, hOwner); */ | |
448 | instream_user_open[phm->adapter_index][phm-> | |
449 | obj_index].h_owner = NULL; | |
3285ea10 | 450 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
451 | /* issue a reset */ |
452 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, | |
453 | HPI_ISTREAM_RESET); | |
454 | hm.adapter_index = phm->adapter_index; | |
455 | hm.obj_index = phm->obj_index; | |
456 | hw_entry_point(&hm, &hr); | |
457 | hpios_msgxlock_lock(&msgx_lock); | |
458 | if (hr.error) { | |
459 | instream_user_open[phm->adapter_index][phm-> | |
460 | obj_index].h_owner = h_owner; | |
461 | phr->error = hr.error; | |
462 | } else { | |
463 | instream_user_open[phm->adapter_index][phm-> | |
464 | obj_index].open_flag = 0; | |
465 | instream_user_open[phm->adapter_index][phm-> | |
466 | obj_index].h_owner = NULL; | |
467 | } | |
468 | } else { | |
469 | HPI_DEBUG_LOG(WARNING, | |
470 | "%p trying to close %d instream %d owned by %p\n", | |
471 | h_owner, phm->adapter_index, phm->obj_index, | |
472 | instream_user_open[phm->adapter_index][phm-> | |
473 | obj_index].h_owner); | |
474 | phr->error = HPI_ERROR_OBJ_NOT_OPEN; | |
475 | } | |
3285ea10 | 476 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
477 | } |
478 | ||
479 | static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, | |
480 | void *h_owner) | |
481 | { | |
482 | ||
483 | struct hpi_message hm; | |
484 | struct hpi_response hr; | |
485 | ||
486 | hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_OPEN, 0); | |
487 | ||
488 | hpios_msgxlock_lock(&msgx_lock); | |
489 | ||
490 | if (outstream_user_open[phm->adapter_index][phm->obj_index].open_flag) | |
491 | phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; | |
492 | else if (rESP_HPI_OSTREAM_OPEN[phm->adapter_index] | |
493 | [phm->obj_index].h.error) | |
494 | memcpy(phr, | |
495 | &rESP_HPI_OSTREAM_OPEN[phm->adapter_index][phm-> | |
496 | obj_index], | |
497 | sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); | |
498 | else { | |
499 | outstream_user_open[phm->adapter_index][phm-> | |
500 | obj_index].open_flag = 1; | |
3285ea10 | 501 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
502 | |
503 | /* issue a reset */ | |
504 | hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, | |
505 | HPI_OSTREAM_RESET); | |
506 | hm.adapter_index = phm->adapter_index; | |
507 | hm.obj_index = phm->obj_index; | |
508 | hw_entry_point(&hm, &hr); | |
509 | ||
510 | hpios_msgxlock_lock(&msgx_lock); | |
511 | if (hr.error) { | |
512 | outstream_user_open[phm->adapter_index][phm-> | |
513 | obj_index].open_flag = 0; | |
514 | phr->error = hr.error; | |
515 | } else { | |
516 | outstream_user_open[phm->adapter_index][phm-> | |
517 | obj_index].open_flag = 1; | |
518 | outstream_user_open[phm->adapter_index][phm-> | |
519 | obj_index].h_owner = h_owner; | |
520 | memcpy(phr, | |
521 | &rESP_HPI_OSTREAM_OPEN[phm->adapter_index] | |
522 | [phm->obj_index], | |
523 | sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); | |
524 | } | |
525 | } | |
3285ea10 | 526 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
527 | } |
528 | ||
529 | static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, | |
530 | void *h_owner) | |
531 | { | |
532 | ||
533 | struct hpi_message hm; | |
534 | struct hpi_response hr; | |
535 | ||
536 | hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_CLOSE, 0); | |
537 | ||
538 | hpios_msgxlock_lock(&msgx_lock); | |
539 | ||
540 | if (h_owner == | |
541 | outstream_user_open[phm->adapter_index][phm-> | |
542 | obj_index].h_owner) { | |
543 | /* HPI_DEBUG_LOG(INFO,"closing adapter %d " | |
544 | "outstream %d owned by %p\n", | |
545 | phm->wAdapterIndex, phm->wObjIndex, hOwner); */ | |
546 | outstream_user_open[phm->adapter_index][phm-> | |
547 | obj_index].h_owner = NULL; | |
3285ea10 | 548 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
549 | /* issue a reset */ |
550 | hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, | |
551 | HPI_OSTREAM_RESET); | |
552 | hm.adapter_index = phm->adapter_index; | |
553 | hm.obj_index = phm->obj_index; | |
554 | hw_entry_point(&hm, &hr); | |
555 | hpios_msgxlock_lock(&msgx_lock); | |
556 | if (hr.error) { | |
557 | outstream_user_open[phm->adapter_index][phm-> | |
558 | obj_index].h_owner = h_owner; | |
559 | phr->error = hr.error; | |
560 | } else { | |
561 | outstream_user_open[phm->adapter_index][phm-> | |
562 | obj_index].open_flag = 0; | |
563 | outstream_user_open[phm->adapter_index][phm-> | |
564 | obj_index].h_owner = NULL; | |
565 | } | |
566 | } else { | |
567 | HPI_DEBUG_LOG(WARNING, | |
568 | "%p trying to close %d outstream %d owned by %p\n", | |
569 | h_owner, phm->adapter_index, phm->obj_index, | |
570 | outstream_user_open[phm->adapter_index][phm-> | |
571 | obj_index].h_owner); | |
572 | phr->error = HPI_ERROR_OBJ_NOT_OPEN; | |
573 | } | |
3285ea10 | 574 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
575 | } |
576 | ||
577 | static u16 adapter_prepare(u16 adapter) | |
578 | { | |
579 | struct hpi_message hm; | |
580 | struct hpi_response hr; | |
581 | ||
582 | /* Open the adapter and streams */ | |
583 | u16 i; | |
584 | ||
585 | /* call to HPI_ADAPTER_OPEN */ | |
586 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, | |
587 | HPI_ADAPTER_OPEN); | |
588 | hm.adapter_index = adapter; | |
589 | hw_entry_point(&hm, &hr); | |
590 | memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, | |
591 | sizeof(rESP_HPI_ADAPTER_OPEN[0])); | |
592 | if (hr.error) | |
593 | return hr.error; | |
594 | ||
595 | /* call to HPI_ADAPTER_GET_INFO */ | |
596 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, | |
597 | HPI_ADAPTER_GET_INFO); | |
598 | hm.adapter_index = adapter; | |
599 | hw_entry_point(&hm, &hr); | |
600 | if (hr.error) | |
601 | return hr.error; | |
602 | ||
3285ea10 EB |
603 | aDAPTER_INFO[adapter].num_outstreams = hr.u.ax.info.num_outstreams; |
604 | aDAPTER_INFO[adapter].num_instreams = hr.u.ax.info.num_instreams; | |
605 | aDAPTER_INFO[adapter].type = hr.u.ax.info.adapter_type; | |
719f82d3 EB |
606 | |
607 | /* call to HPI_OSTREAM_OPEN */ | |
608 | for (i = 0; i < aDAPTER_INFO[adapter].num_outstreams; i++) { | |
609 | hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, | |
610 | HPI_OSTREAM_OPEN); | |
611 | hm.adapter_index = adapter; | |
612 | hm.obj_index = i; | |
613 | hw_entry_point(&hm, &hr); | |
614 | memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], &hr, | |
615 | sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); | |
616 | outstream_user_open[adapter][i].open_flag = 0; | |
617 | outstream_user_open[adapter][i].h_owner = NULL; | |
618 | } | |
619 | ||
620 | /* call to HPI_ISTREAM_OPEN */ | |
621 | for (i = 0; i < aDAPTER_INFO[adapter].num_instreams; i++) { | |
622 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, | |
623 | HPI_ISTREAM_OPEN); | |
624 | hm.adapter_index = adapter; | |
625 | hm.obj_index = i; | |
626 | hw_entry_point(&hm, &hr); | |
627 | memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], &hr, | |
628 | sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); | |
629 | instream_user_open[adapter][i].open_flag = 0; | |
630 | instream_user_open[adapter][i].h_owner = NULL; | |
631 | } | |
632 | ||
633 | /* call to HPI_MIXER_OPEN */ | |
634 | hpi_init_message_response(&hm, &hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN); | |
635 | hm.adapter_index = adapter; | |
636 | hw_entry_point(&hm, &hr); | |
637 | memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, | |
638 | sizeof(rESP_HPI_MIXER_OPEN[0])); | |
639 | ||
3285ea10 | 640 | return 0; |
719f82d3 EB |
641 | } |
642 | ||
643 | static void HPIMSGX__reset(u16 adapter_index) | |
644 | { | |
645 | int i; | |
646 | u16 adapter; | |
647 | struct hpi_response hr; | |
648 | ||
649 | if (adapter_index == HPIMSGX_ALLADAPTERS) { | |
719f82d3 EB |
650 | for (adapter = 0; adapter < HPI_MAX_ADAPTERS; adapter++) { |
651 | ||
652 | hpi_init_response(&hr, HPI_OBJ_ADAPTER, | |
653 | HPI_ADAPTER_OPEN, HPI_ERROR_BAD_ADAPTER); | |
654 | memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, | |
655 | sizeof(rESP_HPI_ADAPTER_OPEN[adapter])); | |
656 | ||
657 | hpi_init_response(&hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN, | |
658 | HPI_ERROR_INVALID_OBJ); | |
659 | memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, | |
660 | sizeof(rESP_HPI_MIXER_OPEN[adapter])); | |
661 | ||
662 | for (i = 0; i < HPI_MAX_STREAMS; i++) { | |
663 | hpi_init_response(&hr, HPI_OBJ_OSTREAM, | |
664 | HPI_OSTREAM_OPEN, | |
665 | HPI_ERROR_INVALID_OBJ); | |
666 | memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], | |
667 | &hr, | |
668 | sizeof(rESP_HPI_OSTREAM_OPEN[adapter] | |
669 | [i])); | |
670 | hpi_init_response(&hr, HPI_OBJ_ISTREAM, | |
671 | HPI_ISTREAM_OPEN, | |
672 | HPI_ERROR_INVALID_OBJ); | |
673 | memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], | |
674 | &hr, | |
675 | sizeof(rESP_HPI_ISTREAM_OPEN[adapter] | |
676 | [i])); | |
677 | } | |
678 | } | |
679 | } else if (adapter_index < HPI_MAX_ADAPTERS) { | |
680 | rESP_HPI_ADAPTER_OPEN[adapter_index].h.error = | |
681 | HPI_ERROR_BAD_ADAPTER; | |
682 | rESP_HPI_MIXER_OPEN[adapter_index].h.error = | |
683 | HPI_ERROR_INVALID_OBJ; | |
684 | for (i = 0; i < HPI_MAX_STREAMS; i++) { | |
685 | rESP_HPI_OSTREAM_OPEN[adapter_index][i].h.error = | |
686 | HPI_ERROR_INVALID_OBJ; | |
687 | rESP_HPI_ISTREAM_OPEN[adapter_index][i].h.error = | |
688 | HPI_ERROR_INVALID_OBJ; | |
689 | } | |
719f82d3 EB |
690 | } |
691 | } | |
692 | ||
693 | static u16 HPIMSGX__init(struct hpi_message *phm, | |
694 | /* HPI_SUBSYS_CREATE_ADAPTER structure with */ | |
695 | /* resource list or NULL=find all */ | |
696 | struct hpi_response *phr | |
697 | /* response from HPI_ADAPTER_GET_INFO */ | |
698 | ) | |
699 | { | |
700 | hpi_handler_func *entry_point_func; | |
701 | struct hpi_response hr; | |
702 | ||
719f82d3 EB |
703 | /* Init response here so we can pass in previous adapter list */ |
704 | hpi_init_response(&hr, phm->object, phm->function, | |
705 | HPI_ERROR_INVALID_OBJ); | |
719f82d3 EB |
706 | |
707 | entry_point_func = | |
708 | hpi_lookup_entry_point_function(phm->u.s.resource.r.pci); | |
709 | ||
710 | if (entry_point_func) { | |
711 | HPI_DEBUG_MESSAGE(DEBUG, phm); | |
712 | entry_point_func(phm, &hr); | |
713 | } else { | |
714 | phr->error = HPI_ERROR_PROCESSING_MESSAGE; | |
715 | return phr->error; | |
716 | } | |
717 | if (hr.error == 0) { | |
25985edc | 718 | /* the adapter was created successfully |
719f82d3 EB |
719 | save the mapping for future use */ |
720 | hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; | |
721 | /* prepare adapter (pre-open streams etc.) */ | |
722 | HPI_DEBUG_LOG(DEBUG, | |
723 | "HPI_SUBSYS_CREATE_ADAPTER successful," | |
724 | " preparing adapter\n"); | |
725 | adapter_prepare(hr.u.s.adapter_index); | |
726 | } | |
727 | memcpy(phr, &hr, hr.size); | |
728 | return phr->error; | |
729 | } | |
730 | ||
731 | static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner) | |
732 | { | |
733 | int i, adapter, adapter_limit; | |
734 | ||
735 | if (!h_owner) | |
736 | return; | |
737 | ||
738 | if (adapter_index == HPIMSGX_ALLADAPTERS) { | |
739 | adapter = 0; | |
740 | adapter_limit = HPI_MAX_ADAPTERS; | |
741 | } else { | |
742 | adapter = adapter_index; | |
743 | adapter_limit = adapter + 1; | |
744 | } | |
745 | ||
746 | for (; adapter < adapter_limit; adapter++) { | |
747 | /* printk(KERN_INFO "Cleanup adapter #%d\n",wAdapter); */ | |
748 | for (i = 0; i < HPI_MAX_STREAMS; i++) { | |
749 | if (h_owner == | |
750 | outstream_user_open[adapter][i].h_owner) { | |
751 | struct hpi_message hm; | |
752 | struct hpi_response hr; | |
753 | ||
754 | HPI_DEBUG_LOG(DEBUG, | |
3285ea10 | 755 | "Close adapter %d ostream %d\n", |
719f82d3 EB |
756 | adapter, i); |
757 | ||
758 | hpi_init_message_response(&hm, &hr, | |
759 | HPI_OBJ_OSTREAM, HPI_OSTREAM_RESET); | |
760 | hm.adapter_index = (u16)adapter; | |
761 | hm.obj_index = (u16)i; | |
762 | hw_entry_point(&hm, &hr); | |
763 | ||
764 | hm.function = HPI_OSTREAM_HOSTBUFFER_FREE; | |
765 | hw_entry_point(&hm, &hr); | |
766 | ||
767 | hm.function = HPI_OSTREAM_GROUP_RESET; | |
768 | hw_entry_point(&hm, &hr); | |
769 | ||
770 | outstream_user_open[adapter][i].open_flag = 0; | |
771 | outstream_user_open[adapter][i].h_owner = | |
772 | NULL; | |
773 | } | |
774 | if (h_owner == instream_user_open[adapter][i].h_owner) { | |
775 | struct hpi_message hm; | |
776 | struct hpi_response hr; | |
777 | ||
778 | HPI_DEBUG_LOG(DEBUG, | |
3285ea10 | 779 | "Close adapter %d istream %d\n", |
719f82d3 EB |
780 | adapter, i); |
781 | ||
782 | hpi_init_message_response(&hm, &hr, | |
783 | HPI_OBJ_ISTREAM, HPI_ISTREAM_RESET); | |
784 | hm.adapter_index = (u16)adapter; | |
785 | hm.obj_index = (u16)i; | |
786 | hw_entry_point(&hm, &hr); | |
787 | ||
788 | hm.function = HPI_ISTREAM_HOSTBUFFER_FREE; | |
789 | hw_entry_point(&hm, &hr); | |
790 | ||
791 | hm.function = HPI_ISTREAM_GROUP_RESET; | |
792 | hw_entry_point(&hm, &hr); | |
793 | ||
794 | instream_user_open[adapter][i].open_flag = 0; | |
795 | instream_user_open[adapter][i].h_owner = NULL; | |
796 | } | |
797 | } | |
798 | } | |
799 | } |