1 // SPDX-License-Identifier: GPL-2.0
2 /* $Id: diva.c,v 1.21.4.1 2004/05/08 14:33:43 armin Exp $ */
4 #define CARDTYPE_H_WANT_DATA 1
5 #define CARDTYPE_H_WANT_IDI_DATA 0
6 #define CARDTYPE_H_WANT_RESOURCE_DATA 0
7 #define CARDTYPE_H_WANT_FILE_DATA 0
18 #include "xdi_adapter.h"
22 #ifdef CONFIG_ISDN_DIVAS_PRIPCI
25 #ifdef CONFIG_ISDN_DIVAS_BRIPCI
30 PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
31 extern IDI_CALL Requests[MAX_ADAPTER];
32 extern int create_adapter_proc(diva_os_xdi_adapter_t *a);
33 extern void remove_adapter_proc(diva_os_xdi_adapter_t *a);
35 #define DivaIdiReqFunc(N) \
36 static void DivaIdiRequest##N(ENTITY *e) \
37 { if (IoAdapters[N]) (*IoAdapters[N]->DIRequest)(IoAdapters[N], e); }
40 ** Create own 32 Adapters
78 static LIST_HEAD(adapter_queue);
80 typedef struct _diva_get_xlog {
84 byte data[sizeof(struct mi_pc_maint)];
87 typedef struct _diva_supported_cards_info {
89 diva_init_card_proc_t init_card;
90 } diva_supported_cards_info_t;
92 static diva_supported_cards_info_t divas_supported_cards[] = {
93 #ifdef CONFIG_ISDN_DIVAS_PRIPCI
97 {CARDTYPE_DIVASRV_P_30M_PCI, diva_pri_init_card},
101 {CARDTYPE_DIVASRV_P_30M_V2_PCI, diva_pri_init_card},
105 {CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI, diva_pri_init_card},
107 #ifdef CONFIG_ISDN_DIVAS_BRIPCI
111 {CARDTYPE_DIVASRV_Q_8M_PCI, diva_4bri_init_card},
112 {CARDTYPE_DIVASRV_VOICE_Q_8M_PCI, diva_4bri_init_card},
116 {CARDTYPE_DIVASRV_Q_8M_V2_PCI, diva_4bri_init_card},
117 {CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI, diva_4bri_init_card},
119 4BRI Based BRI Rev 2 Cards
121 {CARDTYPE_DIVASRV_B_2M_V2_PCI, diva_4bri_init_card},
122 {CARDTYPE_DIVASRV_B_2F_PCI, diva_4bri_init_card},
123 {CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI, diva_4bri_init_card},
127 {CARDTYPE_MAESTRA_PCI, diva_bri_init_card},
136 static void diva_init_request_array(void);
137 static void *divas_create_pci_card(int handle, void *pci_dev_handle);
139 static diva_os_spin_lock_t adapter_lock;
141 static int diva_find_free_adapters(int base, int nr)
145 for (i = 0; i < nr; i++) {
146 if (IoAdapters[base + i]) {
154 static diva_os_xdi_adapter_t *diva_q_get_next(struct list_head *what)
156 diva_os_xdi_adapter_t *a = NULL;
158 if (what && (what->next != &adapter_queue))
159 a = list_entry(what->next, diva_os_xdi_adapter_t, link);
164 /* --------------------------------------------------------------------------
165 Add card to the card list
166 -------------------------------------------------------------------------- */
167 void *diva_driver_add_card(void *pdev, unsigned long CardOrdinal)
169 diva_os_spin_lock_magic_t old_irql;
170 diva_os_xdi_adapter_t *pdiva, *pa;
173 for (i = 0; divas_supported_cards[i].CardOrdinal != -1; i++) {
174 if (divas_supported_cards[i].CardOrdinal == CardOrdinal) {
175 if (!(pdiva = divas_create_pci_card(i, pdev))) {
178 switch (CardOrdinal) {
179 case CARDTYPE_DIVASRV_Q_8M_PCI:
180 case CARDTYPE_DIVASRV_VOICE_Q_8M_PCI:
181 case CARDTYPE_DIVASRV_Q_8M_V2_PCI:
182 case CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI:
183 max = MAX_ADAPTER - 4;
192 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "add card");
194 for (i = 0; i < max; i++) {
195 if (!diva_find_free_adapters(i, nr)) {
196 pdiva->controller = i + 1;
197 pdiva->xdi_adapter.ANum = pdiva->controller;
198 IoAdapters[i] = &pdiva->xdi_adapter;
199 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "add card");
200 create_adapter_proc(pdiva); /* add adapter to proc file system */
202 DBG_LOG(("add %s:%d",
207 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "add card");
209 for (j = 1; j < nr; j++) { /* slave adapters, if any */
210 pa = diva_q_get_next(&pa->link);
211 if (pa && !pa->interface.cleanup_adapter_proc) {
212 pa->controller = i + 1 + j;
213 pa->xdi_adapter.ANum = pa->controller;
214 IoAdapters[i + j] = &pa->xdi_adapter;
215 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "add card");
216 DBG_LOG(("add slave adapter (%d)",
218 create_adapter_proc(pa); /* add adapter to proc file system */
219 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "add card");
221 DBG_ERR(("slave adapter problem"))
226 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "add card");
231 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "add card");
234 Not able to add adapter - remove it and return error
236 DBG_ERR(("can not alloc request array"))
237 diva_driver_remove_card(pdiva);
246 /* --------------------------------------------------------------------------
247 Called on driver load, MAIN, main, DriverEntry
248 -------------------------------------------------------------------------- */
249 int divasa_xdi_driver_entry(void)
251 diva_os_initialize_spin_lock(&adapter_lock, "adapter");
252 memset(&IoAdapters[0], 0x00, sizeof(IoAdapters));
253 diva_init_request_array();
258 /* --------------------------------------------------------------------------
259 Remove adapter from list
260 -------------------------------------------------------------------------- */
261 static diva_os_xdi_adapter_t *get_and_remove_from_queue(void)
263 diva_os_spin_lock_magic_t old_irql;
264 diva_os_xdi_adapter_t *a = NULL;
266 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "driver_unload");
268 if (!list_empty(&adapter_queue)) {
269 a = list_entry(adapter_queue.next, diva_os_xdi_adapter_t, link);
270 list_del(adapter_queue.next);
273 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "driver_unload");
277 /* --------------------------------------------------------------------------
278 Remove card from the card list
279 -------------------------------------------------------------------------- */
280 void diva_driver_remove_card(void *pdiva)
282 diva_os_spin_lock_magic_t old_irql;
283 diva_os_xdi_adapter_t *a[4];
284 diva_os_xdi_adapter_t *pa;
287 pa = a[0] = (diva_os_xdi_adapter_t *) pdiva;
288 a[1] = a[2] = a[3] = NULL;
290 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "remode adapter");
292 for (i = 1; i < 4; i++) {
293 if ((pa = diva_q_get_next(&pa->link))
294 && !pa->interface.cleanup_adapter_proc) {
301 for (i = 0; ((i < 4) && a[i]); i++) {
302 list_del(&a[i]->link);
305 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "driver_unload");
307 (*(a[0]->interface.cleanup_adapter_proc)) (a[0]);
309 for (i = 0; i < 4; i++) {
311 if (a[i]->controller) {
312 DBG_LOG(("remove adapter (%d)",
313 a[i]->controller)) IoAdapters[a[i]->controller - 1] = NULL;
314 remove_adapter_proc(a[i]);
316 diva_os_free(0, a[i]);
321 /* --------------------------------------------------------------------------
322 Create diva PCI adapter and init internal adapter structures
323 -------------------------------------------------------------------------- */
324 static void *divas_create_pci_card(int handle, void *pci_dev_handle)
326 diva_supported_cards_info_t *pI = &divas_supported_cards[handle];
327 diva_os_spin_lock_magic_t old_irql;
328 diva_os_xdi_adapter_t *a;
330 DBG_LOG(("found %d-%s", pI->CardOrdinal, CardProperties[pI->CardOrdinal].Name))
332 if (!(a = (diva_os_xdi_adapter_t *) diva_os_malloc(0, sizeof(*a)))) {
333 DBG_ERR(("A: can't alloc adapter"));
337 memset(a, 0x00, sizeof(*a));
339 a->CardIndex = handle;
340 a->CardOrdinal = pI->CardOrdinal;
341 a->Bus = DIVAS_XDI_ADAPTER_BUS_PCI;
342 a->xdi_adapter.cardType = a->CardOrdinal;
343 a->resources.pci.bus = diva_os_get_pci_bus(pci_dev_handle);
344 a->resources.pci.func = diva_os_get_pci_func(pci_dev_handle);
345 a->resources.pci.hdev = pci_dev_handle;
348 Add master adapter first, so slave adapters will receive higher
349 numbers as master adapter
351 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "found_pci_card");
352 list_add_tail(&a->link, &adapter_queue);
353 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "found_pci_card");
355 if ((*(pI->init_card)) (a)) {
356 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "found_pci_card");
358 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "found_pci_card");
360 DBG_ERR(("A: can't get adapter resources"));
367 /* --------------------------------------------------------------------------
368 Called on driver unload FINIT, finit, Unload
369 -------------------------------------------------------------------------- */
370 void divasa_xdi_driver_unload(void)
372 diva_os_xdi_adapter_t *a;
374 while ((a = get_and_remove_from_queue())) {
375 if (a->interface.cleanup_adapter_proc) {
376 (*(a->interface.cleanup_adapter_proc)) (a);
379 IoAdapters[a->controller - 1] = NULL;
380 remove_adapter_proc(a);
384 diva_os_destroy_spin_lock(&adapter_lock, "adapter");
388 ** Receive and process command from user mode utility
390 void *diva_xdi_open_adapter(void *os_handle, const void __user *src,
391 int length, void *mptr,
392 divas_xdi_copy_from_user_fn_t cp_fn)
394 diva_xdi_um_cfg_cmd_t *msg = (diva_xdi_um_cfg_cmd_t *)mptr;
395 diva_os_xdi_adapter_t *a = NULL;
396 diva_os_spin_lock_magic_t old_irql;
397 struct list_head *tmp;
399 if (length < sizeof(diva_xdi_um_cfg_cmd_t)) {
400 DBG_ERR(("A: A(?) open, msg too small (%d < %d)",
401 length, sizeof(diva_xdi_um_cfg_cmd_t)))
404 if ((*cp_fn) (os_handle, msg, src, sizeof(*msg)) <= 0) {
405 DBG_ERR(("A: A(?) open, write error"))
408 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "open_adapter");
409 list_for_each(tmp, &adapter_queue) {
410 a = list_entry(tmp, diva_os_xdi_adapter_t, link);
411 if (a->controller == (int)msg->adapter)
415 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "open_adapter");
418 DBG_ERR(("A: A(%d) open, adapter not found", msg->adapter))
425 ** Easy cleanup mailbox status
427 void diva_xdi_close_adapter(void *adapter, void *os_handle)
429 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter;
431 a->xdi_mbox.status &= ~DIVA_XDI_MBOX_BUSY;
432 if (a->xdi_mbox.data) {
433 diva_os_free(0, a->xdi_mbox.data);
434 a->xdi_mbox.data = NULL;
439 diva_xdi_write(void *adapter, void *os_handle, const void __user *src,
440 int length, void *mptr,
441 divas_xdi_copy_from_user_fn_t cp_fn)
443 diva_xdi_um_cfg_cmd_t *msg = (diva_xdi_um_cfg_cmd_t *)mptr;
444 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter;
447 if (a->xdi_mbox.status & DIVA_XDI_MBOX_BUSY) {
448 DBG_ERR(("A: A(%d) write, mbox busy", a->controller))
452 if (length < sizeof(diva_xdi_um_cfg_cmd_t)) {
453 DBG_ERR(("A: A(%d) write, message too small (%d < %d)",
454 a->controller, length,
455 sizeof(diva_xdi_um_cfg_cmd_t)))
459 if (!(data = diva_os_malloc(0, length))) {
460 DBG_ERR(("A: A(%d) write, ENOMEM", a->controller))
465 *(diva_xdi_um_cfg_cmd_t *)data = *msg;
466 length = (*cp_fn) (os_handle, (char *)data + sizeof(*msg),
467 src + sizeof(*msg), length - sizeof(*msg));
469 length = (*cp_fn) (os_handle, data, src, length);
472 if ((*(a->interface.cmd_proc))
473 (a, (diva_xdi_um_cfg_cmd_t *) data, length)) {
477 DBG_ERR(("A: A(%d) write error (%d)", a->controller,
481 diva_os_free(0, data);
487 ** Write answers to user mode utility, if any
490 diva_xdi_read(void *adapter, void *os_handle, void __user *dst,
491 int max_length, divas_xdi_copy_to_user_fn_t cp_fn)
493 diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter;
496 if (!(a->xdi_mbox.status & DIVA_XDI_MBOX_BUSY)) {
497 DBG_ERR(("A: A(%d) rx mbox empty", a->controller))
500 if (!a->xdi_mbox.data) {
501 a->xdi_mbox.status &= ~DIVA_XDI_MBOX_BUSY;
502 DBG_ERR(("A: A(%d) rx ENOMEM", a->controller))
506 if (max_length < a->xdi_mbox.data_length) {
507 DBG_ERR(("A: A(%d) rx buffer too short(%d < %d)",
508 a->controller, max_length,
509 a->xdi_mbox.data_length))
513 ret = (*cp_fn) (os_handle, dst, a->xdi_mbox.data,
514 a->xdi_mbox.data_length);
516 diva_os_free(0, a->xdi_mbox.data);
517 a->xdi_mbox.data = NULL;
518 a->xdi_mbox.status &= ~DIVA_XDI_MBOX_BUSY;
525 irqreturn_t diva_os_irq_wrapper(int irq, void *context)
527 diva_os_xdi_adapter_t *a = context;
528 diva_xdi_clear_interrupts_proc_t clear_int_proc;
530 if (!a || !a->xdi_adapter.diva_isr_handler)
533 if ((clear_int_proc = a->clear_interrupts_proc)) {
534 (*clear_int_proc) (a);
535 a->clear_interrupts_proc = NULL;
539 (*(a->xdi_adapter.diva_isr_handler)) (&a->xdi_adapter);
543 static void diva_init_request_array(void)
545 Requests[0] = DivaIdiRequest0;
546 Requests[1] = DivaIdiRequest1;
547 Requests[2] = DivaIdiRequest2;
548 Requests[3] = DivaIdiRequest3;
549 Requests[4] = DivaIdiRequest4;
550 Requests[5] = DivaIdiRequest5;
551 Requests[6] = DivaIdiRequest6;
552 Requests[7] = DivaIdiRequest7;
553 Requests[8] = DivaIdiRequest8;
554 Requests[9] = DivaIdiRequest9;
555 Requests[10] = DivaIdiRequest10;
556 Requests[11] = DivaIdiRequest11;
557 Requests[12] = DivaIdiRequest12;
558 Requests[13] = DivaIdiRequest13;
559 Requests[14] = DivaIdiRequest14;
560 Requests[15] = DivaIdiRequest15;
561 Requests[16] = DivaIdiRequest16;
562 Requests[17] = DivaIdiRequest17;
563 Requests[18] = DivaIdiRequest18;
564 Requests[19] = DivaIdiRequest19;
565 Requests[20] = DivaIdiRequest20;
566 Requests[21] = DivaIdiRequest21;
567 Requests[22] = DivaIdiRequest22;
568 Requests[23] = DivaIdiRequest23;
569 Requests[24] = DivaIdiRequest24;
570 Requests[25] = DivaIdiRequest25;
571 Requests[26] = DivaIdiRequest26;
572 Requests[27] = DivaIdiRequest27;
573 Requests[28] = DivaIdiRequest28;
574 Requests[29] = DivaIdiRequest29;
575 Requests[30] = DivaIdiRequest30;
576 Requests[31] = DivaIdiRequest31;
579 void diva_xdi_display_adapter_features(int card)
582 if (!card || ((card - 1) >= MAX_ADAPTER) || !IoAdapters[card - 1]) {
586 features = IoAdapters[card]->Properties.Features;
588 DBG_LOG(("FEATURES FOR ADAPTER: %d", card + 1))
589 DBG_LOG((" DI_FAX3 : %s",
590 (features & DI_FAX3) ? "Y" : "N"))
591 DBG_LOG((" DI_MODEM : %s",
592 (features & DI_MODEM) ? "Y" : "N"))
593 DBG_LOG((" DI_POST : %s",
594 (features & DI_POST) ? "Y" : "N"))
595 DBG_LOG((" DI_V110 : %s",
596 (features & DI_V110) ? "Y" : "N"))
597 DBG_LOG((" DI_V120 : %s",
598 (features & DI_V120) ? "Y" : "N"))
599 DBG_LOG((" DI_POTS : %s",
600 (features & DI_POTS) ? "Y" : "N"))
601 DBG_LOG((" DI_CODEC : %s",
602 (features & DI_CODEC) ? "Y" : "N"))
603 DBG_LOG((" DI_MANAGE : %s",
604 (features & DI_MANAGE) ? "Y" : "N"))
605 DBG_LOG((" DI_V_42 : %s",
606 (features & DI_V_42) ? "Y" : "N"))
607 DBG_LOG((" DI_EXTD_FAX : %s",
608 (features & DI_EXTD_FAX) ? "Y" : "N"))
609 DBG_LOG((" DI_AT_PARSER : %s",
610 (features & DI_AT_PARSER) ? "Y" : "N"))
611 DBG_LOG((" DI_VOICE_OVER_IP : %s",
612 (features & DI_VOICE_OVER_IP) ? "Y" : "N"))
615 void diva_add_slave_adapter(diva_os_xdi_adapter_t *a)
617 diva_os_spin_lock_magic_t old_irql;
619 diva_os_enter_spin_lock(&adapter_lock, &old_irql, "add_slave");
620 list_add_tail(&a->link, &adapter_queue);
621 diva_os_leave_spin_lock(&adapter_lock, &old_irql, "add_slave");
624 int diva_card_read_xlog(diva_os_xdi_adapter_t *a)
626 diva_get_xlog_t *req;
629 if (!a->xdi_adapter.Initialized || !a->xdi_adapter.DIRequest) {
632 if (!(data = diva_os_malloc(0, sizeof(struct mi_pc_maint)))) {
635 memset(data, 0x00, sizeof(struct mi_pc_maint));
637 if (!(req = diva_os_malloc(0, sizeof(*req)))) {
638 diva_os_free(0, data);
641 req->command = 0x0400;
645 (*(a->xdi_adapter.DIRequest)) (&a->xdi_adapter, (ENTITY *) req);
647 if (!req->rc || req->req) {
648 diva_os_free(0, data);
649 diva_os_free(0, req);
653 memcpy(data, &req->req, sizeof(struct mi_pc_maint));
655 diva_os_free(0, req);
657 a->xdi_mbox.data_length = sizeof(struct mi_pc_maint);
658 a->xdi_mbox.data = data;
659 a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
664 void xdiFreeFile(void *handle)