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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)); | |
189 | hpios_locked_mem_init(); | |
190 | /* Init subsys_findadapters response to no-adapters */ | |
191 | HPIMSGX__reset(HPIMSGX_ALLADAPTERS); | |
192 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, | |
193 | HPI_SUBSYS_DRIVER_LOAD, 0); | |
194 | /* individual HPIs dont implement driver load */ | |
195 | HPI_COMMON(phm, phr); | |
196 | break; | |
197 | case HPI_SUBSYS_DRIVER_UNLOAD: | |
198 | HPI_COMMON(phm, phr); | |
199 | HPIMSGX__cleanup(HPIMSGX_ALLADAPTERS, h_owner); | |
200 | hpios_locked_mem_free_all(); | |
201 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, | |
202 | HPI_SUBSYS_DRIVER_UNLOAD, 0); | |
203 | return; | |
204 | ||
719f82d3 | 205 | case HPI_SUBSYS_GET_NUM_ADAPTERS: |
719f82d3 | 206 | case HPI_SUBSYS_GET_ADAPTER: |
3285ea10 EB |
207 | HPI_COMMON(phm, phr); |
208 | break; | |
719f82d3 | 209 | |
719f82d3 EB |
210 | case HPI_SUBSYS_CREATE_ADAPTER: |
211 | HPIMSGX__init(phm, phr); | |
212 | break; | |
3285ea10 | 213 | |
719f82d3 | 214 | case HPI_SUBSYS_DELETE_ADAPTER: |
3285ea10 | 215 | HPIMSGX__cleanup(phm->obj_index, h_owner); |
719f82d3 EB |
216 | { |
217 | struct hpi_message hm; | |
218 | struct hpi_response hr; | |
719f82d3 EB |
219 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, |
220 | HPI_ADAPTER_CLOSE); | |
3285ea10 | 221 | hm.adapter_index = phm->obj_index; |
719f82d3 EB |
222 | hw_entry_point(&hm, &hr); |
223 | } | |
3285ea10 EB |
224 | if ((phm->obj_index < HPI_MAX_ADAPTERS) |
225 | && hpi_entry_points[phm->obj_index]) { | |
226 | hpi_entry_points[phm->obj_index] (phm, phr); | |
227 | hpi_entry_points[phm->obj_index] = NULL; | |
228 | } else | |
229 | phr->error = HPI_ERROR_INVALID_OBJ_INDEX; | |
230 | ||
719f82d3 EB |
231 | break; |
232 | default: | |
1d595d2a | 233 | /* Must explicitly handle every subsys message in this switch */ |
3285ea10 EB |
234 | hpi_init_response(phr, HPI_OBJ_SUBSYSTEM, phm->function, |
235 | HPI_ERROR_INVALID_FUNC); | |
719f82d3 EB |
236 | break; |
237 | } | |
238 | } | |
239 | ||
240 | static void adapter_message(struct hpi_message *phm, struct hpi_response *phr, | |
241 | void *h_owner) | |
242 | { | |
243 | switch (phm->function) { | |
244 | case HPI_ADAPTER_OPEN: | |
245 | adapter_open(phm, phr); | |
246 | break; | |
247 | case HPI_ADAPTER_CLOSE: | |
248 | adapter_close(phm, phr); | |
249 | break; | |
250 | default: | |
251 | hw_entry_point(phm, phr); | |
252 | break; | |
253 | } | |
254 | } | |
255 | ||
256 | static void mixer_message(struct hpi_message *phm, struct hpi_response *phr) | |
257 | { | |
258 | switch (phm->function) { | |
259 | case HPI_MIXER_OPEN: | |
260 | mixer_open(phm, phr); | |
261 | break; | |
262 | case HPI_MIXER_CLOSE: | |
263 | mixer_close(phm, phr); | |
264 | break; | |
265 | default: | |
266 | hw_entry_point(phm, phr); | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
271 | static void outstream_message(struct hpi_message *phm, | |
272 | struct hpi_response *phr, void *h_owner) | |
273 | { | |
274 | if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_outstreams) { | |
275 | hpi_init_response(phr, HPI_OBJ_OSTREAM, phm->function, | |
276 | HPI_ERROR_INVALID_OBJ_INDEX); | |
277 | return; | |
278 | } | |
279 | ||
280 | switch (phm->function) { | |
281 | case HPI_OSTREAM_OPEN: | |
282 | outstream_open(phm, phr, h_owner); | |
283 | break; | |
284 | case HPI_OSTREAM_CLOSE: | |
285 | outstream_close(phm, phr, h_owner); | |
286 | break; | |
287 | default: | |
288 | hw_entry_point(phm, phr); | |
289 | break; | |
290 | } | |
291 | } | |
292 | ||
293 | static void instream_message(struct hpi_message *phm, | |
294 | struct hpi_response *phr, void *h_owner) | |
295 | { | |
296 | if (phm->obj_index >= aDAPTER_INFO[phm->adapter_index].num_instreams) { | |
297 | hpi_init_response(phr, HPI_OBJ_ISTREAM, phm->function, | |
298 | HPI_ERROR_INVALID_OBJ_INDEX); | |
299 | return; | |
300 | } | |
301 | ||
302 | switch (phm->function) { | |
303 | case HPI_ISTREAM_OPEN: | |
304 | instream_open(phm, phr, h_owner); | |
305 | break; | |
306 | case HPI_ISTREAM_CLOSE: | |
307 | instream_close(phm, phr, h_owner); | |
308 | break; | |
309 | default: | |
310 | hw_entry_point(phm, phr); | |
311 | break; | |
312 | } | |
313 | } | |
314 | ||
315 | /* NOTE: HPI_Message() must be defined in the driver as a wrapper for | |
316 | * HPI_MessageEx so that functions in hpifunc.c compile. | |
317 | */ | |
318 | void hpi_send_recv_ex(struct hpi_message *phm, struct hpi_response *phr, | |
319 | void *h_owner) | |
320 | { | |
321 | HPI_DEBUG_MESSAGE(DEBUG, phm); | |
322 | ||
323 | if (phm->type != HPI_TYPE_MESSAGE) { | |
324 | hpi_init_response(phr, phm->object, phm->function, | |
325 | HPI_ERROR_INVALID_TYPE); | |
326 | return; | |
327 | } | |
328 | ||
329 | if (phm->adapter_index >= HPI_MAX_ADAPTERS | |
330 | && phm->adapter_index != HPIMSGX_ALLADAPTERS) { | |
331 | hpi_init_response(phr, phm->object, phm->function, | |
332 | HPI_ERROR_BAD_ADAPTER_NUMBER); | |
333 | return; | |
334 | } | |
335 | ||
336 | switch (phm->object) { | |
337 | case HPI_OBJ_SUBSYSTEM: | |
338 | subsys_message(phm, phr, h_owner); | |
339 | break; | |
340 | ||
341 | case HPI_OBJ_ADAPTER: | |
342 | adapter_message(phm, phr, h_owner); | |
343 | break; | |
344 | ||
345 | case HPI_OBJ_MIXER: | |
346 | mixer_message(phm, phr); | |
347 | break; | |
348 | ||
349 | case HPI_OBJ_OSTREAM: | |
350 | outstream_message(phm, phr, h_owner); | |
351 | break; | |
352 | ||
353 | case HPI_OBJ_ISTREAM: | |
354 | instream_message(phm, phr, h_owner); | |
355 | break; | |
356 | ||
357 | default: | |
358 | hw_entry_point(phm, phr); | |
359 | break; | |
360 | } | |
361 | HPI_DEBUG_RESPONSE(phr); | |
3285ea10 | 362 | |
719f82d3 EB |
363 | } |
364 | ||
365 | static void adapter_open(struct hpi_message *phm, struct hpi_response *phr) | |
366 | { | |
367 | HPI_DEBUG_LOG(VERBOSE, "adapter_open\n"); | |
368 | memcpy(phr, &rESP_HPI_ADAPTER_OPEN[phm->adapter_index], | |
369 | sizeof(rESP_HPI_ADAPTER_OPEN[0])); | |
370 | } | |
371 | ||
372 | static void adapter_close(struct hpi_message *phm, struct hpi_response *phr) | |
373 | { | |
374 | HPI_DEBUG_LOG(VERBOSE, "adapter_close\n"); | |
375 | hpi_init_response(phr, HPI_OBJ_ADAPTER, HPI_ADAPTER_CLOSE, 0); | |
376 | } | |
377 | ||
378 | static void mixer_open(struct hpi_message *phm, struct hpi_response *phr) | |
379 | { | |
380 | memcpy(phr, &rESP_HPI_MIXER_OPEN[phm->adapter_index], | |
381 | sizeof(rESP_HPI_MIXER_OPEN[0])); | |
382 | } | |
383 | ||
384 | static void mixer_close(struct hpi_message *phm, struct hpi_response *phr) | |
385 | { | |
386 | hpi_init_response(phr, HPI_OBJ_MIXER, HPI_MIXER_CLOSE, 0); | |
387 | } | |
388 | ||
389 | static void instream_open(struct hpi_message *phm, struct hpi_response *phr, | |
390 | void *h_owner) | |
391 | { | |
392 | ||
393 | struct hpi_message hm; | |
394 | struct hpi_response hr; | |
395 | ||
396 | hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_OPEN, 0); | |
397 | ||
398 | hpios_msgxlock_lock(&msgx_lock); | |
399 | ||
400 | if (instream_user_open[phm->adapter_index][phm->obj_index].open_flag) | |
401 | phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; | |
402 | else if (rESP_HPI_ISTREAM_OPEN[phm->adapter_index] | |
403 | [phm->obj_index].h.error) | |
404 | memcpy(phr, | |
405 | &rESP_HPI_ISTREAM_OPEN[phm->adapter_index][phm-> | |
406 | obj_index], | |
407 | sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); | |
408 | else { | |
409 | instream_user_open[phm->adapter_index][phm-> | |
410 | obj_index].open_flag = 1; | |
3285ea10 | 411 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
412 | |
413 | /* issue a reset */ | |
414 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, | |
415 | HPI_ISTREAM_RESET); | |
416 | hm.adapter_index = phm->adapter_index; | |
417 | hm.obj_index = phm->obj_index; | |
418 | hw_entry_point(&hm, &hr); | |
419 | ||
420 | hpios_msgxlock_lock(&msgx_lock); | |
421 | if (hr.error) { | |
422 | instream_user_open[phm->adapter_index][phm-> | |
423 | obj_index].open_flag = 0; | |
424 | phr->error = hr.error; | |
425 | } else { | |
426 | instream_user_open[phm->adapter_index][phm-> | |
427 | obj_index].open_flag = 1; | |
428 | instream_user_open[phm->adapter_index][phm-> | |
429 | obj_index].h_owner = h_owner; | |
430 | memcpy(phr, | |
431 | &rESP_HPI_ISTREAM_OPEN[phm->adapter_index] | |
432 | [phm->obj_index], | |
433 | sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); | |
434 | } | |
435 | } | |
3285ea10 | 436 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
437 | } |
438 | ||
439 | static void instream_close(struct hpi_message *phm, struct hpi_response *phr, | |
440 | void *h_owner) | |
441 | { | |
442 | ||
443 | struct hpi_message hm; | |
444 | struct hpi_response hr; | |
445 | ||
446 | hpi_init_response(phr, HPI_OBJ_ISTREAM, HPI_ISTREAM_CLOSE, 0); | |
447 | ||
448 | hpios_msgxlock_lock(&msgx_lock); | |
449 | if (h_owner == | |
450 | instream_user_open[phm->adapter_index][phm-> | |
451 | obj_index].h_owner) { | |
452 | /* HPI_DEBUG_LOG(INFO,"closing adapter %d " | |
453 | "instream %d owned by %p\n", | |
454 | phm->wAdapterIndex, phm->wObjIndex, hOwner); */ | |
455 | instream_user_open[phm->adapter_index][phm-> | |
456 | obj_index].h_owner = NULL; | |
3285ea10 | 457 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
458 | /* issue a reset */ |
459 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, | |
460 | HPI_ISTREAM_RESET); | |
461 | hm.adapter_index = phm->adapter_index; | |
462 | hm.obj_index = phm->obj_index; | |
463 | hw_entry_point(&hm, &hr); | |
464 | hpios_msgxlock_lock(&msgx_lock); | |
465 | if (hr.error) { | |
466 | instream_user_open[phm->adapter_index][phm-> | |
467 | obj_index].h_owner = h_owner; | |
468 | phr->error = hr.error; | |
469 | } else { | |
470 | instream_user_open[phm->adapter_index][phm-> | |
471 | obj_index].open_flag = 0; | |
472 | instream_user_open[phm->adapter_index][phm-> | |
473 | obj_index].h_owner = NULL; | |
474 | } | |
475 | } else { | |
476 | HPI_DEBUG_LOG(WARNING, | |
477 | "%p trying to close %d instream %d owned by %p\n", | |
478 | h_owner, phm->adapter_index, phm->obj_index, | |
479 | instream_user_open[phm->adapter_index][phm-> | |
480 | obj_index].h_owner); | |
481 | phr->error = HPI_ERROR_OBJ_NOT_OPEN; | |
482 | } | |
3285ea10 | 483 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
484 | } |
485 | ||
486 | static void outstream_open(struct hpi_message *phm, struct hpi_response *phr, | |
487 | void *h_owner) | |
488 | { | |
489 | ||
490 | struct hpi_message hm; | |
491 | struct hpi_response hr; | |
492 | ||
493 | hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_OPEN, 0); | |
494 | ||
495 | hpios_msgxlock_lock(&msgx_lock); | |
496 | ||
497 | if (outstream_user_open[phm->adapter_index][phm->obj_index].open_flag) | |
498 | phr->error = HPI_ERROR_OBJ_ALREADY_OPEN; | |
499 | else if (rESP_HPI_OSTREAM_OPEN[phm->adapter_index] | |
500 | [phm->obj_index].h.error) | |
501 | memcpy(phr, | |
502 | &rESP_HPI_OSTREAM_OPEN[phm->adapter_index][phm-> | |
503 | obj_index], | |
504 | sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); | |
505 | else { | |
506 | outstream_user_open[phm->adapter_index][phm-> | |
507 | obj_index].open_flag = 1; | |
3285ea10 | 508 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
509 | |
510 | /* issue a reset */ | |
511 | hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, | |
512 | HPI_OSTREAM_RESET); | |
513 | hm.adapter_index = phm->adapter_index; | |
514 | hm.obj_index = phm->obj_index; | |
515 | hw_entry_point(&hm, &hr); | |
516 | ||
517 | hpios_msgxlock_lock(&msgx_lock); | |
518 | if (hr.error) { | |
519 | outstream_user_open[phm->adapter_index][phm-> | |
520 | obj_index].open_flag = 0; | |
521 | phr->error = hr.error; | |
522 | } else { | |
523 | outstream_user_open[phm->adapter_index][phm-> | |
524 | obj_index].open_flag = 1; | |
525 | outstream_user_open[phm->adapter_index][phm-> | |
526 | obj_index].h_owner = h_owner; | |
527 | memcpy(phr, | |
528 | &rESP_HPI_OSTREAM_OPEN[phm->adapter_index] | |
529 | [phm->obj_index], | |
530 | sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); | |
531 | } | |
532 | } | |
3285ea10 | 533 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
534 | } |
535 | ||
536 | static void outstream_close(struct hpi_message *phm, struct hpi_response *phr, | |
537 | void *h_owner) | |
538 | { | |
539 | ||
540 | struct hpi_message hm; | |
541 | struct hpi_response hr; | |
542 | ||
543 | hpi_init_response(phr, HPI_OBJ_OSTREAM, HPI_OSTREAM_CLOSE, 0); | |
544 | ||
545 | hpios_msgxlock_lock(&msgx_lock); | |
546 | ||
547 | if (h_owner == | |
548 | outstream_user_open[phm->adapter_index][phm-> | |
549 | obj_index].h_owner) { | |
550 | /* HPI_DEBUG_LOG(INFO,"closing adapter %d " | |
551 | "outstream %d owned by %p\n", | |
552 | phm->wAdapterIndex, phm->wObjIndex, hOwner); */ | |
553 | outstream_user_open[phm->adapter_index][phm-> | |
554 | obj_index].h_owner = NULL; | |
3285ea10 | 555 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
556 | /* issue a reset */ |
557 | hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, | |
558 | HPI_OSTREAM_RESET); | |
559 | hm.adapter_index = phm->adapter_index; | |
560 | hm.obj_index = phm->obj_index; | |
561 | hw_entry_point(&hm, &hr); | |
562 | hpios_msgxlock_lock(&msgx_lock); | |
563 | if (hr.error) { | |
564 | outstream_user_open[phm->adapter_index][phm-> | |
565 | obj_index].h_owner = h_owner; | |
566 | phr->error = hr.error; | |
567 | } else { | |
568 | outstream_user_open[phm->adapter_index][phm-> | |
569 | obj_index].open_flag = 0; | |
570 | outstream_user_open[phm->adapter_index][phm-> | |
571 | obj_index].h_owner = NULL; | |
572 | } | |
573 | } else { | |
574 | HPI_DEBUG_LOG(WARNING, | |
575 | "%p trying to close %d outstream %d owned by %p\n", | |
576 | h_owner, phm->adapter_index, phm->obj_index, | |
577 | outstream_user_open[phm->adapter_index][phm-> | |
578 | obj_index].h_owner); | |
579 | phr->error = HPI_ERROR_OBJ_NOT_OPEN; | |
580 | } | |
3285ea10 | 581 | hpios_msgxlock_unlock(&msgx_lock); |
719f82d3 EB |
582 | } |
583 | ||
584 | static u16 adapter_prepare(u16 adapter) | |
585 | { | |
586 | struct hpi_message hm; | |
587 | struct hpi_response hr; | |
588 | ||
589 | /* Open the adapter and streams */ | |
590 | u16 i; | |
591 | ||
592 | /* call to HPI_ADAPTER_OPEN */ | |
593 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, | |
594 | HPI_ADAPTER_OPEN); | |
595 | hm.adapter_index = adapter; | |
596 | hw_entry_point(&hm, &hr); | |
597 | memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, | |
598 | sizeof(rESP_HPI_ADAPTER_OPEN[0])); | |
599 | if (hr.error) | |
600 | return hr.error; | |
601 | ||
602 | /* call to HPI_ADAPTER_GET_INFO */ | |
603 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, | |
604 | HPI_ADAPTER_GET_INFO); | |
605 | hm.adapter_index = adapter; | |
606 | hw_entry_point(&hm, &hr); | |
607 | if (hr.error) | |
608 | return hr.error; | |
609 | ||
3285ea10 EB |
610 | aDAPTER_INFO[adapter].num_outstreams = hr.u.ax.info.num_outstreams; |
611 | aDAPTER_INFO[adapter].num_instreams = hr.u.ax.info.num_instreams; | |
612 | aDAPTER_INFO[adapter].type = hr.u.ax.info.adapter_type; | |
719f82d3 EB |
613 | |
614 | /* call to HPI_OSTREAM_OPEN */ | |
615 | for (i = 0; i < aDAPTER_INFO[adapter].num_outstreams; i++) { | |
616 | hpi_init_message_response(&hm, &hr, HPI_OBJ_OSTREAM, | |
617 | HPI_OSTREAM_OPEN); | |
618 | hm.adapter_index = adapter; | |
619 | hm.obj_index = i; | |
620 | hw_entry_point(&hm, &hr); | |
621 | memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], &hr, | |
622 | sizeof(rESP_HPI_OSTREAM_OPEN[0][0])); | |
623 | outstream_user_open[adapter][i].open_flag = 0; | |
624 | outstream_user_open[adapter][i].h_owner = NULL; | |
625 | } | |
626 | ||
627 | /* call to HPI_ISTREAM_OPEN */ | |
628 | for (i = 0; i < aDAPTER_INFO[adapter].num_instreams; i++) { | |
629 | hpi_init_message_response(&hm, &hr, HPI_OBJ_ISTREAM, | |
630 | HPI_ISTREAM_OPEN); | |
631 | hm.adapter_index = adapter; | |
632 | hm.obj_index = i; | |
633 | hw_entry_point(&hm, &hr); | |
634 | memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], &hr, | |
635 | sizeof(rESP_HPI_ISTREAM_OPEN[0][0])); | |
636 | instream_user_open[adapter][i].open_flag = 0; | |
637 | instream_user_open[adapter][i].h_owner = NULL; | |
638 | } | |
639 | ||
640 | /* call to HPI_MIXER_OPEN */ | |
641 | hpi_init_message_response(&hm, &hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN); | |
642 | hm.adapter_index = adapter; | |
643 | hw_entry_point(&hm, &hr); | |
644 | memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, | |
645 | sizeof(rESP_HPI_MIXER_OPEN[0])); | |
646 | ||
3285ea10 | 647 | return 0; |
719f82d3 EB |
648 | } |
649 | ||
650 | static void HPIMSGX__reset(u16 adapter_index) | |
651 | { | |
652 | int i; | |
653 | u16 adapter; | |
654 | struct hpi_response hr; | |
655 | ||
656 | if (adapter_index == HPIMSGX_ALLADAPTERS) { | |
719f82d3 EB |
657 | for (adapter = 0; adapter < HPI_MAX_ADAPTERS; adapter++) { |
658 | ||
659 | hpi_init_response(&hr, HPI_OBJ_ADAPTER, | |
660 | HPI_ADAPTER_OPEN, HPI_ERROR_BAD_ADAPTER); | |
661 | memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, | |
662 | sizeof(rESP_HPI_ADAPTER_OPEN[adapter])); | |
663 | ||
664 | hpi_init_response(&hr, HPI_OBJ_MIXER, HPI_MIXER_OPEN, | |
665 | HPI_ERROR_INVALID_OBJ); | |
666 | memcpy(&rESP_HPI_MIXER_OPEN[adapter], &hr, | |
667 | sizeof(rESP_HPI_MIXER_OPEN[adapter])); | |
668 | ||
669 | for (i = 0; i < HPI_MAX_STREAMS; i++) { | |
670 | hpi_init_response(&hr, HPI_OBJ_OSTREAM, | |
671 | HPI_OSTREAM_OPEN, | |
672 | HPI_ERROR_INVALID_OBJ); | |
673 | memcpy(&rESP_HPI_OSTREAM_OPEN[adapter][i], | |
674 | &hr, | |
675 | sizeof(rESP_HPI_OSTREAM_OPEN[adapter] | |
676 | [i])); | |
677 | hpi_init_response(&hr, HPI_OBJ_ISTREAM, | |
678 | HPI_ISTREAM_OPEN, | |
679 | HPI_ERROR_INVALID_OBJ); | |
680 | memcpy(&rESP_HPI_ISTREAM_OPEN[adapter][i], | |
681 | &hr, | |
682 | sizeof(rESP_HPI_ISTREAM_OPEN[adapter] | |
683 | [i])); | |
684 | } | |
685 | } | |
686 | } else if (adapter_index < HPI_MAX_ADAPTERS) { | |
687 | rESP_HPI_ADAPTER_OPEN[adapter_index].h.error = | |
688 | HPI_ERROR_BAD_ADAPTER; | |
689 | rESP_HPI_MIXER_OPEN[adapter_index].h.error = | |
690 | HPI_ERROR_INVALID_OBJ; | |
691 | for (i = 0; i < HPI_MAX_STREAMS; i++) { | |
692 | rESP_HPI_OSTREAM_OPEN[adapter_index][i].h.error = | |
693 | HPI_ERROR_INVALID_OBJ; | |
694 | rESP_HPI_ISTREAM_OPEN[adapter_index][i].h.error = | |
695 | HPI_ERROR_INVALID_OBJ; | |
696 | } | |
719f82d3 EB |
697 | } |
698 | } | |
699 | ||
700 | static u16 HPIMSGX__init(struct hpi_message *phm, | |
701 | /* HPI_SUBSYS_CREATE_ADAPTER structure with */ | |
702 | /* resource list or NULL=find all */ | |
703 | struct hpi_response *phr | |
704 | /* response from HPI_ADAPTER_GET_INFO */ | |
705 | ) | |
706 | { | |
707 | hpi_handler_func *entry_point_func; | |
708 | struct hpi_response hr; | |
709 | ||
719f82d3 EB |
710 | /* Init response here so we can pass in previous adapter list */ |
711 | hpi_init_response(&hr, phm->object, phm->function, | |
712 | HPI_ERROR_INVALID_OBJ); | |
719f82d3 EB |
713 | |
714 | entry_point_func = | |
715 | hpi_lookup_entry_point_function(phm->u.s.resource.r.pci); | |
716 | ||
717 | if (entry_point_func) { | |
718 | HPI_DEBUG_MESSAGE(DEBUG, phm); | |
719 | entry_point_func(phm, &hr); | |
720 | } else { | |
721 | phr->error = HPI_ERROR_PROCESSING_MESSAGE; | |
722 | return phr->error; | |
723 | } | |
724 | if (hr.error == 0) { | |
25985edc | 725 | /* the adapter was created successfully |
719f82d3 EB |
726 | save the mapping for future use */ |
727 | hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; | |
728 | /* prepare adapter (pre-open streams etc.) */ | |
729 | HPI_DEBUG_LOG(DEBUG, | |
730 | "HPI_SUBSYS_CREATE_ADAPTER successful," | |
731 | " preparing adapter\n"); | |
732 | adapter_prepare(hr.u.s.adapter_index); | |
733 | } | |
734 | memcpy(phr, &hr, hr.size); | |
735 | return phr->error; | |
736 | } | |
737 | ||
738 | static void HPIMSGX__cleanup(u16 adapter_index, void *h_owner) | |
739 | { | |
740 | int i, adapter, adapter_limit; | |
741 | ||
742 | if (!h_owner) | |
743 | return; | |
744 | ||
745 | if (adapter_index == HPIMSGX_ALLADAPTERS) { | |
746 | adapter = 0; | |
747 | adapter_limit = HPI_MAX_ADAPTERS; | |
748 | } else { | |
749 | adapter = adapter_index; | |
750 | adapter_limit = adapter + 1; | |
751 | } | |
752 | ||
753 | for (; adapter < adapter_limit; adapter++) { | |
754 | /* printk(KERN_INFO "Cleanup adapter #%d\n",wAdapter); */ | |
755 | for (i = 0; i < HPI_MAX_STREAMS; i++) { | |
756 | if (h_owner == | |
757 | outstream_user_open[adapter][i].h_owner) { | |
758 | struct hpi_message hm; | |
759 | struct hpi_response hr; | |
760 | ||
761 | HPI_DEBUG_LOG(DEBUG, | |
3285ea10 | 762 | "Close adapter %d ostream %d\n", |
719f82d3 EB |
763 | adapter, i); |
764 | ||
765 | hpi_init_message_response(&hm, &hr, | |
766 | HPI_OBJ_OSTREAM, HPI_OSTREAM_RESET); | |
767 | hm.adapter_index = (u16)adapter; | |
768 | hm.obj_index = (u16)i; | |
769 | hw_entry_point(&hm, &hr); | |
770 | ||
771 | hm.function = HPI_OSTREAM_HOSTBUFFER_FREE; | |
772 | hw_entry_point(&hm, &hr); | |
773 | ||
774 | hm.function = HPI_OSTREAM_GROUP_RESET; | |
775 | hw_entry_point(&hm, &hr); | |
776 | ||
777 | outstream_user_open[adapter][i].open_flag = 0; | |
778 | outstream_user_open[adapter][i].h_owner = | |
779 | NULL; | |
780 | } | |
781 | if (h_owner == instream_user_open[adapter][i].h_owner) { | |
782 | struct hpi_message hm; | |
783 | struct hpi_response hr; | |
784 | ||
785 | HPI_DEBUG_LOG(DEBUG, | |
3285ea10 | 786 | "Close adapter %d istream %d\n", |
719f82d3 EB |
787 | adapter, i); |
788 | ||
789 | hpi_init_message_response(&hm, &hr, | |
790 | HPI_OBJ_ISTREAM, HPI_ISTREAM_RESET); | |
791 | hm.adapter_index = (u16)adapter; | |
792 | hm.obj_index = (u16)i; | |
793 | hw_entry_point(&hm, &hr); | |
794 | ||
795 | hm.function = HPI_ISTREAM_HOSTBUFFER_FREE; | |
796 | hw_entry_point(&hm, &hr); | |
797 | ||
798 | hm.function = HPI_ISTREAM_GROUP_RESET; | |
799 | hw_entry_point(&hm, &hr); | |
800 | ||
801 | instream_user_open[adapter][i].open_flag = 0; | |
802 | instream_user_open[adapter][i].h_owner = NULL; | |
803 | } | |
804 | } | |
805 | } | |
806 | } |