1 /* $Id: os_bri.c,v 1.21 2004/03/21 17:26:01 armin Exp $ */
2 
3 #include "platform.h"
4 #include "debuglib.h"
5 #include "cardtype.h"
6 #include "pc.h"
7 #include "pr_pc.h"
8 #include "di_defs.h"
9 #include "dsp_defs.h"
10 #include "di.h"
11 #include "io.h"
12 
13 #include "xdi_msg.h"
14 #include "xdi_adapter.h"
15 #include "os_bri.h"
16 #include "diva_pci.h"
17 #include "mi_pc.h"
18 #include "pc_maint.h"
19 #include "dsrv_bri.h"
20 
21 /*
22 **  IMPORTS
23 */
24 extern void prepare_maestra_functions(PISDN_ADAPTER IoAdapter);
25 extern void diva_xdi_display_adapter_features(int card);
26 extern int diva_card_read_xlog(diva_os_xdi_adapter_t *a);
27 
28 /*
29 **  LOCALS
30 */
31 static int bri_bar_length[3] = {
32 	0x80,
33 	0x80,
34 	0x20
35 };
36 static int diva_bri_cleanup_adapter(diva_os_xdi_adapter_t *a);
37 static dword diva_bri_get_serial_number(diva_os_xdi_adapter_t *a);
38 static int diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
39 				  diva_xdi_um_cfg_cmd_t *cmd, int length);
40 static int diva_bri_reregister_io(diva_os_xdi_adapter_t *a);
41 static int diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter);
42 static int diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,
43 				      dword address,
44 				      const byte *data, dword length);
45 static int diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,
46 				  dword start_address, dword features);
47 static int diva_bri_stop_adapter(diva_os_xdi_adapter_t *a);
48 
diva_bri_set_addresses(diva_os_xdi_adapter_t * a)49 static void diva_bri_set_addresses(diva_os_xdi_adapter_t *a)
50 {
51 	a->resources.pci.mem_type_id[MEM_TYPE_RAM] = 0;
52 	a->resources.pci.mem_type_id[MEM_TYPE_CFG] = 1;
53 	a->resources.pci.mem_type_id[MEM_TYPE_ADDRESS] = 2;
54 	a->resources.pci.mem_type_id[MEM_TYPE_RESET] = 1;
55 	a->resources.pci.mem_type_id[MEM_TYPE_PORT] = 2;
56 	a->resources.pci.mem_type_id[MEM_TYPE_CTLREG] = 2;
57 
58 	a->xdi_adapter.ram = a->resources.pci.addr[0];
59 	a->xdi_adapter.cfg = a->resources.pci.addr[1];
60 	a->xdi_adapter.Address = a->resources.pci.addr[2];
61 
62 	a->xdi_adapter.reset = a->xdi_adapter.cfg;
63 	a->xdi_adapter.port = a->xdi_adapter.Address;
64 
65 	a->xdi_adapter.ctlReg = a->xdi_adapter.port + M_PCI_RESET;
66 
67 	a->xdi_adapter.reset += 0x4C;	/* PLX 9050 !! */
68 }
69 
70 /*
71 **  BAR0 - MEM Addr  - 0x80  - NOT USED
72 **  BAR1 - I/O Addr  - 0x80
73 **  BAR2 - I/O Addr  - 0x20
74 */
diva_bri_init_card(diva_os_xdi_adapter_t * a)75 int diva_bri_init_card(diva_os_xdi_adapter_t *a)
76 {
77 	int bar;
78 	dword bar2 = 0, bar2_length = 0xffffffff;
79 	word cmd = 0, cmd_org;
80 	byte Bus, Slot;
81 	void *hdev;
82 	byte __iomem *p;
83 
84 	/*
85 	  Set properties
86 	*/
87 	a->xdi_adapter.Properties = CardProperties[a->CardOrdinal];
88 	DBG_LOG(("Load %s", a->xdi_adapter.Properties.Name))
89 
90 		/*
91 		  Get resources
92 		*/
93 		for (bar = 0; bar < 3; bar++) {
94 			a->resources.pci.bar[bar] =
95 				divasa_get_pci_bar(a->resources.pci.bus,
96 						   a->resources.pci.func, bar,
97 						   a->resources.pci.hdev);
98 			if (!a->resources.pci.bar[bar]) {
99 				DBG_ERR(("A: can't get BAR[%d]", bar))
100 					return (-1);
101 			}
102 		}
103 
104 	a->resources.pci.irq =
105 		(byte) divasa_get_pci_irq(a->resources.pci.bus,
106 					  a->resources.pci.func,
107 					  a->resources.pci.hdev);
108 	if (!a->resources.pci.irq) {
109 		DBG_ERR(("A: invalid irq"));
110 		return (-1);
111 	}
112 
113 	/*
114 	  Get length of I/O bar 2 - it is different by older
115 	  EEPROM version
116 	*/
117 	Bus = a->resources.pci.bus;
118 	Slot = a->resources.pci.func;
119 	hdev = a->resources.pci.hdev;
120 
121 	/*
122 	  Get plain original values of the BAR2 CDM registers
123 	*/
124 	PCIread(Bus, Slot, 0x18, &bar2, sizeof(bar2), hdev);
125 	PCIread(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
126 	/*
127 	  Disable device and get BAR2 length
128 	*/
129 	PCIwrite(Bus, Slot, 0x04, &cmd, sizeof(cmd), hdev);
130 	PCIwrite(Bus, Slot, 0x18, &bar2_length, sizeof(bar2_length), hdev);
131 	PCIread(Bus, Slot, 0x18, &bar2_length, sizeof(bar2_length), hdev);
132 	/*
133 	  Restore BAR2 and CMD registers
134 	*/
135 	PCIwrite(Bus, Slot, 0x18, &bar2, sizeof(bar2), hdev);
136 	PCIwrite(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
137 
138 	/*
139 	  Calculate BAR2 length
140 	*/
141 	bar2_length = (~(bar2_length & ~7)) + 1;
142 	DBG_LOG(("BAR[2] length=%lx", bar2_length))
143 
144 		/*
145 		  Map and register resources
146 		*/
147 		if (!(a->resources.pci.addr[0] =
148 		      divasa_remap_pci_bar(a, 0, a->resources.pci.bar[0],
149 					   bri_bar_length[0]))) {
150 			DBG_ERR(("A: BRI, can't map BAR[0]"))
151 				diva_bri_cleanup_adapter(a);
152 			return (-1);
153 		}
154 
155 	sprintf(&a->port_name[0], "BRI %02x:%02x",
156 		a->resources.pci.bus, a->resources.pci.func);
157 
158 	if (diva_os_register_io_port(a, 1, a->resources.pci.bar[1],
159 				     bri_bar_length[1], &a->port_name[0], 1)) {
160 		DBG_ERR(("A: BRI, can't register BAR[1]"))
161 			diva_bri_cleanup_adapter(a);
162 		return (-1);
163 	}
164 	a->resources.pci.addr[1] = (void *) (unsigned long) a->resources.pci.bar[1];
165 	a->resources.pci.length[1] = bri_bar_length[1];
166 
167 	if (diva_os_register_io_port(a, 1, a->resources.pci.bar[2],
168 				     bar2_length, &a->port_name[0], 2)) {
169 		DBG_ERR(("A: BRI, can't register BAR[2]"))
170 			diva_bri_cleanup_adapter(a);
171 		return (-1);
172 	}
173 	a->resources.pci.addr[2] = (void *) (unsigned long) a->resources.pci.bar[2];
174 	a->resources.pci.length[2] = bar2_length;
175 
176 	/*
177 	  Set all memory areas
178 	*/
179 	diva_bri_set_addresses(a);
180 
181 	/*
182 	  Get Serial Number
183 	*/
184 	a->xdi_adapter.serialNo = diva_bri_get_serial_number(a);
185 
186 	/*
187 	  Register I/O ports with correct name now
188 	*/
189 	if (diva_bri_reregister_io(a)) {
190 		diva_bri_cleanup_adapter(a);
191 		return (-1);
192 	}
193 
194 	/*
195 	  Initialize OS dependent objects
196 	*/
197 	if (diva_os_initialize_spin_lock
198 	    (&a->xdi_adapter.isr_spin_lock, "isr")) {
199 		diva_bri_cleanup_adapter(a);
200 		return (-1);
201 	}
202 	if (diva_os_initialize_spin_lock
203 	    (&a->xdi_adapter.data_spin_lock, "data")) {
204 		diva_bri_cleanup_adapter(a);
205 		return (-1);
206 	}
207 
208 	strcpy(a->xdi_adapter.req_soft_isr.dpc_thread_name, "kdivasbrid");
209 
210 	if (diva_os_initialize_soft_isr(&a->xdi_adapter.req_soft_isr,
211 					DIDpcRoutine, &a->xdi_adapter)) {
212 		diva_bri_cleanup_adapter(a);
213 		return (-1);
214 	}
215 	/*
216 	  Do not initialize second DPC - only one thread will be created
217 	*/
218 	a->xdi_adapter.isr_soft_isr.object = a->xdi_adapter.req_soft_isr.object;
219 
220 	/*
221 	  Create entity table
222 	*/
223 	a->xdi_adapter.Channels = CardProperties[a->CardOrdinal].Channels;
224 	a->xdi_adapter.e_max = CardProperties[a->CardOrdinal].E_info;
225 	a->xdi_adapter.e_tbl = diva_os_malloc(0, a->xdi_adapter.e_max * sizeof(E_INFO));
226 	if (!a->xdi_adapter.e_tbl) {
227 		diva_bri_cleanup_adapter(a);
228 		return (-1);
229 	}
230 	memset(a->xdi_adapter.e_tbl, 0x00, a->xdi_adapter.e_max * sizeof(E_INFO));
231 
232 	/*
233 	  Set up interface
234 	*/
235 	a->xdi_adapter.a.io = &a->xdi_adapter;
236 	a->xdi_adapter.DIRequest = request;
237 	a->interface.cleanup_adapter_proc = diva_bri_cleanup_adapter;
238 	a->interface.cmd_proc = diva_bri_cmd_card_proc;
239 
240 	p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
241 	outpp(p, 0x41);
242 	DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);
243 
244 	prepare_maestra_functions(&a->xdi_adapter);
245 
246 	a->dsp_mask = 0x00000003;
247 
248 	/*
249 	  Set IRQ handler
250 	*/
251 	a->xdi_adapter.irq_info.irq_nr = a->resources.pci.irq;
252 	sprintf(a->xdi_adapter.irq_info.irq_name, "DIVA BRI %ld",
253 		(long) a->xdi_adapter.serialNo);
254 	if (diva_os_register_irq(a, a->xdi_adapter.irq_info.irq_nr,
255 				 a->xdi_adapter.irq_info.irq_name)) {
256 		diva_bri_cleanup_adapter(a);
257 		return (-1);
258 	}
259 	a->xdi_adapter.irq_info.registered = 1;
260 
261 	diva_log_info("%s IRQ:%d SerNo:%d", a->xdi_adapter.Properties.Name,
262 		      a->resources.pci.irq, a->xdi_adapter.serialNo);
263 
264 	return (0);
265 }
266 
267 
diva_bri_cleanup_adapter(diva_os_xdi_adapter_t * a)268 static int diva_bri_cleanup_adapter(diva_os_xdi_adapter_t *a)
269 {
270 	int i;
271 
272 	if (a->xdi_adapter.Initialized) {
273 		diva_bri_stop_adapter(a);
274 	}
275 
276 	/*
277 	  Remove ISR Handler
278 	*/
279 	if (a->xdi_adapter.irq_info.registered) {
280 		diva_os_remove_irq(a, a->xdi_adapter.irq_info.irq_nr);
281 	}
282 	a->xdi_adapter.irq_info.registered = 0;
283 
284 	if (a->resources.pci.addr[0] && a->resources.pci.bar[0]) {
285 		divasa_unmap_pci_bar(a->resources.pci.addr[0]);
286 		a->resources.pci.addr[0] = NULL;
287 		a->resources.pci.bar[0] = 0;
288 	}
289 
290 	for (i = 1; i < 3; i++) {
291 		if (a->resources.pci.addr[i] && a->resources.pci.bar[i]) {
292 			diva_os_register_io_port(a, 0,
293 						 a->resources.pci.bar[i],
294 						 a->resources.pci.
295 						 length[i],
296 						 &a->port_name[0], i);
297 			a->resources.pci.addr[i] = NULL;
298 			a->resources.pci.bar[i] = 0;
299 		}
300 	}
301 
302 	/*
303 	  Free OS objects
304 	*/
305 	diva_os_cancel_soft_isr(&a->xdi_adapter.req_soft_isr);
306 	diva_os_cancel_soft_isr(&a->xdi_adapter.isr_soft_isr);
307 
308 	diva_os_remove_soft_isr(&a->xdi_adapter.req_soft_isr);
309 	a->xdi_adapter.isr_soft_isr.object = NULL;
310 
311 	diva_os_destroy_spin_lock(&a->xdi_adapter.isr_spin_lock, "rm");
312 	diva_os_destroy_spin_lock(&a->xdi_adapter.data_spin_lock, "rm");
313 
314 	/*
315 	  Free memory
316 	*/
317 	if (a->xdi_adapter.e_tbl) {
318 		diva_os_free(0, a->xdi_adapter.e_tbl);
319 		a->xdi_adapter.e_tbl = NULL;
320 	}
321 
322 	return (0);
323 }
324 
diva_os_prepare_maestra_functions(PISDN_ADAPTER IoAdapter)325 void diva_os_prepare_maestra_functions(PISDN_ADAPTER IoAdapter)
326 {
327 }
328 
329 /*
330 **  Get serial number
331 */
diva_bri_get_serial_number(diva_os_xdi_adapter_t * a)332 static dword diva_bri_get_serial_number(diva_os_xdi_adapter_t *a)
333 {
334 	dword serNo = 0;
335 	byte __iomem *confIO;
336 	word serHi, serLo;
337 	word __iomem *confMem;
338 
339 	confIO = DIVA_OS_MEM_ATTACH_CFG(&a->xdi_adapter);
340 	serHi = (word) (inppw(&confIO[0x22]) & 0x0FFF);
341 	serLo = (word) (inppw(&confIO[0x26]) & 0x0FFF);
342 	serNo = ((dword) serHi << 16) | (dword) serLo;
343 	DIVA_OS_MEM_DETACH_CFG(&a->xdi_adapter, confIO);
344 
345 	if ((serNo == 0) || (serNo == 0xFFFFFFFF)) {
346 		DBG_FTL(("W: BRI use BAR[0] to get card serial number"))
347 
348 			confMem = (word __iomem *)DIVA_OS_MEM_ATTACH_RAM(&a->xdi_adapter);
349 		serHi = (word) (READ_WORD(&confMem[0x11]) & 0x0FFF);
350 		serLo = (word) (READ_WORD(&confMem[0x13]) & 0x0FFF);
351 		serNo = (((dword) serHi) << 16) | ((dword) serLo);
352 		DIVA_OS_MEM_DETACH_RAM(&a->xdi_adapter, confMem);
353 	}
354 
355 	DBG_LOG(("Serial Number=%ld", serNo))
356 
357 		return (serNo);
358 }
359 
360 /*
361 **  Unregister I/O and register it with new name,
362 **  based on Serial Number
363 */
diva_bri_reregister_io(diva_os_xdi_adapter_t * a)364 static int diva_bri_reregister_io(diva_os_xdi_adapter_t *a)
365 {
366 	int i;
367 
368 	for (i = 1; i < 3; i++) {
369 		diva_os_register_io_port(a, 0, a->resources.pci.bar[i],
370 					 a->resources.pci.length[i],
371 					 &a->port_name[0], i);
372 		a->resources.pci.addr[i] = NULL;
373 	}
374 
375 	sprintf(a->port_name, "DIVA BRI %ld",
376 		(long) a->xdi_adapter.serialNo);
377 
378 	for (i = 1; i < 3; i++) {
379 		if (diva_os_register_io_port(a, 1, a->resources.pci.bar[i],
380 					     a->resources.pci.length[i],
381 					     &a->port_name[0], i)) {
382 			DBG_ERR(("A: failed to reregister BAR[%d]", i))
383 				return (-1);
384 		}
385 		a->resources.pci.addr[i] =
386 			(void *) (unsigned long) a->resources.pci.bar[i];
387 	}
388 
389 	return (0);
390 }
391 
392 /*
393 **  Process command from user mode
394 */
395 static int
diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter * a,diva_xdi_um_cfg_cmd_t * cmd,int length)396 diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
397 		       diva_xdi_um_cfg_cmd_t *cmd, int length)
398 {
399 	int ret = -1;
400 
401 	if (cmd->adapter != a->controller) {
402 		DBG_ERR(("A: pri_cmd, invalid controller=%d != %d",
403 			 cmd->adapter, a->controller))
404 			return (-1);
405 	}
406 
407 	switch (cmd->command) {
408 	case DIVA_XDI_UM_CMD_GET_CARD_ORDINAL:
409 		a->xdi_mbox.data_length = sizeof(dword);
410 		a->xdi_mbox.data =
411 			diva_os_malloc(0, a->xdi_mbox.data_length);
412 		if (a->xdi_mbox.data) {
413 			*(dword *) a->xdi_mbox.data =
414 				(dword) a->CardOrdinal;
415 			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
416 			ret = 0;
417 		}
418 		break;
419 
420 	case DIVA_XDI_UM_CMD_GET_SERIAL_NR:
421 		a->xdi_mbox.data_length = sizeof(dword);
422 		a->xdi_mbox.data =
423 			diva_os_malloc(0, a->xdi_mbox.data_length);
424 		if (a->xdi_mbox.data) {
425 			*(dword *) a->xdi_mbox.data =
426 				(dword) a->xdi_adapter.serialNo;
427 			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
428 			ret = 0;
429 		}
430 		break;
431 
432 	case DIVA_XDI_UM_CMD_GET_PCI_HW_CONFIG:
433 		a->xdi_mbox.data_length = sizeof(dword) * 9;
434 		a->xdi_mbox.data =
435 			diva_os_malloc(0, a->xdi_mbox.data_length);
436 		if (a->xdi_mbox.data) {
437 			int i;
438 			dword *data = (dword *) a->xdi_mbox.data;
439 
440 			for (i = 0; i < 8; i++) {
441 				*data++ = a->resources.pci.bar[i];
442 			}
443 			*data++ = (dword) a->resources.pci.irq;
444 			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
445 			ret = 0;
446 		}
447 		break;
448 
449 	case DIVA_XDI_UM_CMD_GET_CARD_STATE:
450 		a->xdi_mbox.data_length = sizeof(dword);
451 		a->xdi_mbox.data =
452 			diva_os_malloc(0, a->xdi_mbox.data_length);
453 		if (a->xdi_mbox.data) {
454 			dword *data = (dword *) a->xdi_mbox.data;
455 			if (!a->xdi_adapter.port) {
456 				*data = 3;
457 			} else if (a->xdi_adapter.trapped) {
458 				*data = 2;
459 			} else if (a->xdi_adapter.Initialized) {
460 				*data = 1;
461 			} else {
462 				*data = 0;
463 			}
464 			a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
465 			ret = 0;
466 		}
467 		break;
468 
469 	case DIVA_XDI_UM_CMD_RESET_ADAPTER:
470 		ret = diva_bri_reset_adapter(&a->xdi_adapter);
471 		break;
472 
473 	case DIVA_XDI_UM_CMD_WRITE_SDRAM_BLOCK:
474 		ret = diva_bri_write_sdram_block(&a->xdi_adapter,
475 						 cmd->command_data.
476 						 write_sdram.offset,
477 						 (byte *)&cmd[1],
478 						 cmd->command_data.
479 						 write_sdram.length);
480 		break;
481 
482 	case DIVA_XDI_UM_CMD_START_ADAPTER:
483 		ret = diva_bri_start_adapter(&a->xdi_adapter,
484 					     cmd->command_data.start.
485 					     offset,
486 					     cmd->command_data.start.
487 					     features);
488 		break;
489 
490 	case DIVA_XDI_UM_CMD_SET_PROTOCOL_FEATURES:
491 		a->xdi_adapter.features =
492 			cmd->command_data.features.features;
493 		a->xdi_adapter.a.protocol_capabilities =
494 			a->xdi_adapter.features;
495 		DBG_TRC(
496 			("Set raw protocol features (%08x)",
497 			 a->xdi_adapter.features)) ret = 0;
498 		break;
499 
500 	case DIVA_XDI_UM_CMD_STOP_ADAPTER:
501 		ret = diva_bri_stop_adapter(a);
502 		break;
503 
504 	case DIVA_XDI_UM_CMD_READ_XLOG_ENTRY:
505 		ret = diva_card_read_xlog(a);
506 		break;
507 
508 	default:
509 		DBG_ERR(
510 			("A: A(%d) invalid cmd=%d", a->controller,
511 			 cmd->command))}
512 
513 	return (ret);
514 }
515 
diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter)516 static int diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter)
517 {
518 	byte __iomem *addrHi, *addrLo, *ioaddr;
519 	dword i;
520 	byte __iomem *Port;
521 
522 	if (!IoAdapter->port) {
523 		return (-1);
524 	}
525 	if (IoAdapter->Initialized) {
526 		DBG_ERR(("A: A(%d) can't reset BRI adapter - please stop first",
527 			 IoAdapter->ANum)) return (-1);
528 	}
529 	(*(IoAdapter->rstFnc)) (IoAdapter);
530 	diva_os_wait(100);
531 	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
532 	addrHi = Port +
533 		((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
534 	addrLo = Port + ADDR;
535 	ioaddr = Port + DATA;
536 	/*
537 	  recover
538 	*/
539 	outpp(addrHi, (byte) 0);
540 	outppw(addrLo, (word) 0);
541 	outppw(ioaddr, (word) 0);
542 	/*
543 	  clear shared memory
544 	*/
545 	outpp(addrHi,
546 	      (byte) (
547 		      (IoAdapter->MemoryBase + IoAdapter->MemorySize -
548 		       BRI_SHARED_RAM_SIZE) >> 16));
549 	outppw(addrLo, 0);
550 	for (i = 0; i < 0x8000; outppw(ioaddr, 0), ++i);
551 	diva_os_wait(100);
552 
553 	/*
554 	  clear signature
555 	*/
556 	outpp(addrHi,
557 	      (byte) (
558 		      (IoAdapter->MemoryBase + IoAdapter->MemorySize -
559 		       BRI_SHARED_RAM_SIZE) >> 16));
560 	outppw(addrLo, 0x1e);
561 	outpp(ioaddr, 0);
562 	outpp(ioaddr, 0);
563 
564 	outpp(addrHi, (byte) 0);
565 	outppw(addrLo, (word) 0);
566 	outppw(ioaddr, (word) 0);
567 
568 	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
569 
570 	/*
571 	  Forget all outstanding entities
572 	*/
573 	IoAdapter->e_count = 0;
574 	if (IoAdapter->e_tbl) {
575 		memset(IoAdapter->e_tbl, 0x00,
576 		       IoAdapter->e_max * sizeof(E_INFO));
577 	}
578 	IoAdapter->head = 0;
579 	IoAdapter->tail = 0;
580 	IoAdapter->assign = 0;
581 	IoAdapter->trapped = 0;
582 
583 	memset(&IoAdapter->a.IdTable[0], 0x00,
584 	       sizeof(IoAdapter->a.IdTable));
585 	memset(&IoAdapter->a.IdTypeTable[0], 0x00,
586 	       sizeof(IoAdapter->a.IdTypeTable));
587 	memset(&IoAdapter->a.FlowControlIdTable[0], 0x00,
588 	       sizeof(IoAdapter->a.FlowControlIdTable));
589 	memset(&IoAdapter->a.FlowControlSkipTable[0], 0x00,
590 	       sizeof(IoAdapter->a.FlowControlSkipTable));
591 	memset(&IoAdapter->a.misc_flags_table[0], 0x00,
592 	       sizeof(IoAdapter->a.misc_flags_table));
593 	memset(&IoAdapter->a.rx_stream[0], 0x00,
594 	       sizeof(IoAdapter->a.rx_stream));
595 	memset(&IoAdapter->a.tx_stream[0], 0x00,
596 	       sizeof(IoAdapter->a.tx_stream));
597 	memset(&IoAdapter->a.tx_pos[0], 0x00, sizeof(IoAdapter->a.tx_pos));
598 	memset(&IoAdapter->a.rx_pos[0], 0x00, sizeof(IoAdapter->a.rx_pos));
599 
600 	return (0);
601 }
602 
603 static int
diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,dword address,const byte * data,dword length)604 diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,
605 			   dword address, const byte *data, dword length)
606 {
607 	byte __iomem *addrHi, *addrLo, *ioaddr;
608 	byte __iomem *Port;
609 
610 	if (!IoAdapter->port) {
611 		return (-1);
612 	}
613 
614 	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
615 	addrHi = Port +
616 		((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
617 	addrLo = Port + ADDR;
618 	ioaddr = Port + DATA;
619 
620 	while (length--) {
621 		outpp(addrHi, (word) (address >> 16));
622 		outppw(addrLo, (word) (address & 0x0000ffff));
623 		outpp(ioaddr, *data++);
624 		address++;
625 	}
626 
627 	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
628 	return (0);
629 }
630 
631 static int
diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,dword start_address,dword features)632 diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,
633 		       dword start_address, dword features)
634 {
635 	byte __iomem *Port;
636 	dword i, test;
637 	byte __iomem *addrHi, *addrLo, *ioaddr;
638 	int started = 0;
639 	ADAPTER *a = &IoAdapter->a;
640 
641 	if (IoAdapter->Initialized) {
642 		DBG_ERR(
643 			("A: A(%d) bri_start_adapter, adapter already running",
644 			 IoAdapter->ANum)) return (-1);
645 	}
646 	if (!IoAdapter->port) {
647 		DBG_ERR(("A: A(%d) bri_start_adapter, adapter not mapped",
648 			 IoAdapter->ANum)) return (-1);
649 	}
650 
651 	sprintf(IoAdapter->Name, "A(%d)", (int) IoAdapter->ANum);
652 	DBG_LOG(("A(%d) start BRI", IoAdapter->ANum))
653 
654 		Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
655 	addrHi = Port +
656 		((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
657 	addrLo = Port + ADDR;
658 	ioaddr = Port + DATA;
659 
660 	outpp(addrHi,
661 	      (byte) (
662 		      (IoAdapter->MemoryBase + IoAdapter->MemorySize -
663 		       BRI_SHARED_RAM_SIZE) >> 16));
664 	outppw(addrLo, 0x1e);
665 	outppw(ioaddr, 0x00);
666 	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
667 
668 	/*
669 	  start the protocol code
670 	*/
671 	Port = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
672 	outpp(Port, 0x08);
673 	DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, Port);
674 
675 	Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
676 	addrHi = Port +
677 		((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
678 	addrLo = Port + ADDR;
679 	ioaddr = Port + DATA;
680 	/*
681 	  wait for signature (max. 3 seconds)
682 	*/
683 	for (i = 0; i < 300; ++i) {
684 		diva_os_wait(10);
685 		outpp(addrHi,
686 		      (byte) (
687 			      (IoAdapter->MemoryBase +
688 			       IoAdapter->MemorySize -
689 			       BRI_SHARED_RAM_SIZE) >> 16));
690 		outppw(addrLo, 0x1e);
691 		test = (dword) inppw(ioaddr);
692 		if (test == 0x4447) {
693 			DBG_LOG(
694 				("Protocol startup time %d.%02d seconds",
695 				 (i / 100), (i % 100)))
696 				started = 1;
697 			break;
698 		}
699 	}
700 	DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
701 
702 	if (!started) {
703 		DBG_FTL(("A: A(%d) %s: Adapter selftest failed 0x%04X",
704 			 IoAdapter->ANum, IoAdapter->Properties.Name,
705 			 test))
706 			(*(IoAdapter->trapFnc)) (IoAdapter);
707 		return (-1);
708 	}
709 
710 	IoAdapter->Initialized = 1;
711 
712 	/*
713 	  Check Interrupt
714 	*/
715 	IoAdapter->IrqCount = 0;
716 	a->ReadyInt = 1;
717 
718 	if (IoAdapter->reset) {
719 		Port = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
720 		outpp(Port, 0x41);
721 		DIVA_OS_MEM_DETACH_RESET(IoAdapter, Port);
722 	}
723 
724 	a->ram_out(a, &PR_RAM->ReadyInt, 1);
725 	for (i = 0; ((!IoAdapter->IrqCount) && (i < 100)); i++) {
726 		diva_os_wait(10);
727 	}
728 	if (!IoAdapter->IrqCount) {
729 		DBG_ERR(
730 			("A: A(%d) interrupt test failed",
731 			 IoAdapter->ANum))
732 			IoAdapter->Initialized = 0;
733 		IoAdapter->stop(IoAdapter);
734 		return (-1);
735 	}
736 
737 	IoAdapter->Properties.Features = (word) features;
738 	diva_xdi_display_adapter_features(IoAdapter->ANum);
739 	DBG_LOG(("A(%d) BRI adapter successfully started", IoAdapter->ANum))
740 		/*
741 		  Register with DIDD
742 		*/
743 		diva_xdi_didd_register_adapter(IoAdapter->ANum);
744 
745 	return (0);
746 }
747 
diva_bri_clear_interrupts(diva_os_xdi_adapter_t * a)748 static void diva_bri_clear_interrupts(diva_os_xdi_adapter_t *a)
749 {
750 	PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
751 
752 	/*
753 	  clear any pending interrupt
754 	*/
755 	IoAdapter->disIrq(IoAdapter);
756 
757 	IoAdapter->tst_irq(&IoAdapter->a);
758 	IoAdapter->clr_irq(&IoAdapter->a);
759 	IoAdapter->tst_irq(&IoAdapter->a);
760 
761 	/*
762 	  kill pending dpcs
763 	*/
764 	diva_os_cancel_soft_isr(&IoAdapter->req_soft_isr);
765 	diva_os_cancel_soft_isr(&IoAdapter->isr_soft_isr);
766 }
767 
768 /*
769 **  Stop card
770 */
diva_bri_stop_adapter(diva_os_xdi_adapter_t * a)771 static int diva_bri_stop_adapter(diva_os_xdi_adapter_t *a)
772 {
773 	PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
774 	int i = 100;
775 
776 	if (!IoAdapter->port) {
777 		return (-1);
778 	}
779 	if (!IoAdapter->Initialized) {
780 		DBG_ERR(("A: A(%d) can't stop BRI adapter - not running",
781 			 IoAdapter->ANum))
782 			return (-1);	/* nothing to stop */
783 	}
784 	IoAdapter->Initialized = 0;
785 
786 	/*
787 	  Disconnect Adapter from DIDD
788 	*/
789 	diva_xdi_didd_remove_adapter(IoAdapter->ANum);
790 
791 	/*
792 	  Stop interrupts
793 	*/
794 	a->clear_interrupts_proc = diva_bri_clear_interrupts;
795 	IoAdapter->a.ReadyInt = 1;
796 	IoAdapter->a.ram_inc(&IoAdapter->a, &PR_RAM->ReadyInt);
797 	do {
798 		diva_os_sleep(10);
799 	} while (i-- && a->clear_interrupts_proc);
800 	if (a->clear_interrupts_proc) {
801 		diva_bri_clear_interrupts(a);
802 		a->clear_interrupts_proc = NULL;
803 		DBG_ERR(("A: A(%d) no final interrupt from BRI adapter",
804 			 IoAdapter->ANum))
805 			}
806 	IoAdapter->a.ReadyInt = 0;
807 
808 	/*
809 	  Stop and reset adapter
810 	*/
811 	IoAdapter->stop(IoAdapter);
812 
813 	return (0);
814 }
815