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ALSA: asihpi - Unsafe memory management when allocating control cache
[net-next-2.6.git] / sound / pci / asihpi / hpi6000.c
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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 Hardware Programming Interface (HPI) for AudioScience ASI6200 series adapters.
20 These PCI bus adapters are based on the TI C6711 DSP.
21
22 Exported functions:
23 void HPI_6000(struct hpi_message *phm, struct hpi_response *phr)
24
25 #defines
26 HIDE_PCI_ASSERTS to show the PCI asserts
27 PROFILE_DSP2 get profile data from DSP2 if present (instead of DSP 1)
28
29(C) Copyright AudioScience Inc. 1998-2003
30*******************************************************************************/
31#define SOURCEFILE_NAME "hpi6000.c"
32
33#include "hpi_internal.h"
34#include "hpimsginit.h"
35#include "hpidebug.h"
36#include "hpi6000.h"
37#include "hpidspcd.h"
38#include "hpicmn.h"
39
40#define HPI_HIF_BASE (0x00000200) /* start of C67xx internal RAM */
41#define HPI_HIF_ADDR(member) \
42 (HPI_HIF_BASE + offsetof(struct hpi_hif_6000, member))
43#define HPI_HIF_ERROR_MASK 0x4000
44
45/* HPI6000 specific error codes */
46
47#define HPI6000_ERROR_BASE 900
48#define HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT 901
49#define HPI6000_ERROR_MSG_RESP_SEND_MSG_ACK 902
50#define HPI6000_ERROR_MSG_RESP_GET_RESP_ACK 903
51#define HPI6000_ERROR_MSG_GET_ADR 904
52#define HPI6000_ERROR_RESP_GET_ADR 905
53#define HPI6000_ERROR_MSG_RESP_BLOCKWRITE32 906
54#define HPI6000_ERROR_MSG_RESP_BLOCKREAD32 907
55#define HPI6000_ERROR_MSG_INVALID_DSP_INDEX 908
56#define HPI6000_ERROR_CONTROL_CACHE_PARAMS 909
57
58#define HPI6000_ERROR_SEND_DATA_IDLE_TIMEOUT 911
59#define HPI6000_ERROR_SEND_DATA_ACK 912
60#define HPI6000_ERROR_SEND_DATA_ADR 913
61#define HPI6000_ERROR_SEND_DATA_TIMEOUT 914
62#define HPI6000_ERROR_SEND_DATA_CMD 915
63#define HPI6000_ERROR_SEND_DATA_WRITE 916
64#define HPI6000_ERROR_SEND_DATA_IDLECMD 917
65#define HPI6000_ERROR_SEND_DATA_VERIFY 918
66
67#define HPI6000_ERROR_GET_DATA_IDLE_TIMEOUT 921
68#define HPI6000_ERROR_GET_DATA_ACK 922
69#define HPI6000_ERROR_GET_DATA_CMD 923
70#define HPI6000_ERROR_GET_DATA_READ 924
71#define HPI6000_ERROR_GET_DATA_IDLECMD 925
72
73#define HPI6000_ERROR_CONTROL_CACHE_ADDRLEN 951
74#define HPI6000_ERROR_CONTROL_CACHE_READ 952
75#define HPI6000_ERROR_CONTROL_CACHE_FLUSH 953
76
77#define HPI6000_ERROR_MSG_RESP_GETRESPCMD 961
78#define HPI6000_ERROR_MSG_RESP_IDLECMD 962
79#define HPI6000_ERROR_MSG_RESP_BLOCKVERIFY32 963
80
81/* adapter init errors */
82#define HPI6000_ERROR_UNHANDLED_SUBSYS_ID 930
83
84/* can't access PCI2040 */
85#define HPI6000_ERROR_INIT_PCI2040 931
86/* can't access DSP HPI i/f */
87#define HPI6000_ERROR_INIT_DSPHPI 932
88/* can't access internal DSP memory */
89#define HPI6000_ERROR_INIT_DSPINTMEM 933
90/* can't access SDRAM - test#1 */
91#define HPI6000_ERROR_INIT_SDRAM1 934
92/* can't access SDRAM - test#2 */
93#define HPI6000_ERROR_INIT_SDRAM2 935
94
95#define HPI6000_ERROR_INIT_VERIFY 938
96
97#define HPI6000_ERROR_INIT_NOACK 939
98
99#define HPI6000_ERROR_INIT_PLDTEST1 941
100#define HPI6000_ERROR_INIT_PLDTEST2 942
101
102/* local defines */
103
104#define HIDE_PCI_ASSERTS
105#define PROFILE_DSP2
106
107/* for PCI2040 i/f chip */
108/* HPI CSR registers */
109/* word offsets from CSR base */
110/* use when io addresses defined as u32 * */
111
112#define INTERRUPT_EVENT_SET 0
113#define INTERRUPT_EVENT_CLEAR 1
114#define INTERRUPT_MASK_SET 2
115#define INTERRUPT_MASK_CLEAR 3
116#define HPI_ERROR_REPORT 4
117#define HPI_RESET 5
118#define HPI_DATA_WIDTH 6
119
120#define MAX_DSPS 2
121/* HPI registers, spaced 8K bytes = 2K words apart */
122#define DSP_SPACING 0x800
123
124#define CONTROL 0x0000
125#define ADDRESS 0x0200
126#define DATA_AUTOINC 0x0400
127#define DATA 0x0600
128
129#define TIMEOUT 500000
130
131struct dsp_obj {
132 __iomem u32 *prHPI_control;
133 __iomem u32 *prHPI_address;
134 __iomem u32 *prHPI_data;
135 __iomem u32 *prHPI_data_auto_inc;
136 char c_dsp_rev; /*A, B */
137 u32 control_cache_address_on_dsp;
138 u32 control_cache_length_on_dsp;
139 struct hpi_adapter_obj *pa_parent_adapter;
140};
141
142struct hpi_hw_obj {
143 __iomem u32 *dw2040_HPICSR;
144 __iomem u32 *dw2040_HPIDSP;
145
146 u16 num_dsp;
147 struct dsp_obj ado[MAX_DSPS];
148
149 u32 message_buffer_address_on_dsp;
150 u32 response_buffer_address_on_dsp;
151 u32 pCI2040HPI_error_count;
152
153 struct hpi_control_cache_single control_cache[HPI_NMIXER_CONTROLS];
154 struct hpi_control_cache *p_cache;
155};
156
157static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao,
158 u16 dsp_index, u32 hpi_address, u32 *source, u32 count);
159static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao,
160 u16 dsp_index, u32 hpi_address, u32 *dest, u32 count);
161
162static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
163 u32 *pos_error_code);
164static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao,
165 u16 read_or_write);
166#define H6READ 1
167#define H6WRITE 0
168
169static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao,
170 struct hpi_message *phm);
171static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao,
172 u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr);
173
174static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
175 struct hpi_response *phr);
176
177static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index,
178 u32 ack_value);
179
180static short hpi6000_send_host_command(struct hpi_adapter_obj *pao,
181 u16 dsp_index, u32 host_cmd);
182
183static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo);
184
185static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index,
186 struct hpi_message *phm, struct hpi_response *phr);
187
188static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index,
189 struct hpi_message *phm, struct hpi_response *phr);
190
191static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data);
192
193static u32 hpi_read_word(struct dsp_obj *pdo, u32 address);
194
195static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
196 u32 length);
197
198static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
199 u32 length);
200
201static void subsys_create_adapter(struct hpi_message *phm,
202 struct hpi_response *phr);
203
204static void subsys_delete_adapter(struct hpi_message *phm,
205 struct hpi_response *phr);
206
207static void adapter_get_asserts(struct hpi_adapter_obj *pao,
208 struct hpi_message *phm, struct hpi_response *phr);
209
210static short create_adapter_obj(struct hpi_adapter_obj *pao,
211 u32 *pos_error_code);
212
213/* local globals */
214
215static u16 gw_pci_read_asserts; /* used to count PCI2040 errors */
216static u16 gw_pci_write_asserts; /* used to count PCI2040 errors */
217
218static void subsys_message(struct hpi_message *phm, struct hpi_response *phr)
219{
220
221 switch (phm->function) {
222 case HPI_SUBSYS_OPEN:
223 case HPI_SUBSYS_CLOSE:
224 case HPI_SUBSYS_GET_INFO:
225 case HPI_SUBSYS_DRIVER_UNLOAD:
226 case HPI_SUBSYS_DRIVER_LOAD:
227 case HPI_SUBSYS_FIND_ADAPTERS:
228 /* messages that should not get here */
229 phr->error = HPI_ERROR_UNIMPLEMENTED;
230 break;
231 case HPI_SUBSYS_CREATE_ADAPTER:
232 subsys_create_adapter(phm, phr);
233 break;
234 case HPI_SUBSYS_DELETE_ADAPTER:
235 subsys_delete_adapter(phm, phr);
236 break;
237 default:
238 phr->error = HPI_ERROR_INVALID_FUNC;
239 break;
240 }
241}
242
243static void control_message(struct hpi_adapter_obj *pao,
244 struct hpi_message *phm, struct hpi_response *phr)
245{
246
247 switch (phm->function) {
248 case HPI_CONTROL_GET_STATE:
249 if (pao->has_control_cache) {
250 u16 err;
251 err = hpi6000_update_control_cache(pao, phm);
252
253 if (err) {
254 phr->error = err;
255 break;
256 }
257
258 if (hpi_check_control_cache(((struct hpi_hw_obj *)
259 pao->priv)->p_cache, phm,
260 phr))
261 break;
262 }
263 hw_message(pao, phm, phr);
264 break;
265 case HPI_CONTROL_GET_INFO:
266 hw_message(pao, phm, phr);
267 break;
268 case HPI_CONTROL_SET_STATE:
269 hw_message(pao, phm, phr);
270 hpi_sync_control_cache(((struct hpi_hw_obj *)pao->priv)->
271 p_cache, phm, phr);
272 break;
273 default:
274 phr->error = HPI_ERROR_INVALID_FUNC;
275 break;
276 }
277}
278
279static void adapter_message(struct hpi_adapter_obj *pao,
280 struct hpi_message *phm, struct hpi_response *phr)
281{
282 switch (phm->function) {
283 case HPI_ADAPTER_GET_INFO:
284 hw_message(pao, phm, phr);
285 break;
286 case HPI_ADAPTER_GET_ASSERT:
287 adapter_get_asserts(pao, phm, phr);
288 break;
289 case HPI_ADAPTER_OPEN:
290 case HPI_ADAPTER_CLOSE:
291 case HPI_ADAPTER_TEST_ASSERT:
292 case HPI_ADAPTER_SELFTEST:
293 case HPI_ADAPTER_GET_MODE:
294 case HPI_ADAPTER_SET_MODE:
295 case HPI_ADAPTER_FIND_OBJECT:
296 case HPI_ADAPTER_GET_PROPERTY:
297 case HPI_ADAPTER_SET_PROPERTY:
298 case HPI_ADAPTER_ENUM_PROPERTY:
299 hw_message(pao, phm, phr);
300 break;
301 default:
302 phr->error = HPI_ERROR_INVALID_FUNC;
303 break;
304 }
305}
306
307static void outstream_message(struct hpi_adapter_obj *pao,
308 struct hpi_message *phm, struct hpi_response *phr)
309{
310 switch (phm->function) {
311 case HPI_OSTREAM_HOSTBUFFER_ALLOC:
312 case HPI_OSTREAM_HOSTBUFFER_FREE:
313 /* Don't let these messages go to the HW function because
314 * they're called without allocating the spinlock.
315 * For the HPI6000 adapters the HW would return
316 * HPI_ERROR_INVALID_FUNC anyway.
317 */
318 phr->error = HPI_ERROR_INVALID_FUNC;
319 break;
320 default:
321 hw_message(pao, phm, phr);
322 return;
323 }
324}
325
326static void instream_message(struct hpi_adapter_obj *pao,
327 struct hpi_message *phm, struct hpi_response *phr)
328{
329
330 switch (phm->function) {
331 case HPI_ISTREAM_HOSTBUFFER_ALLOC:
332 case HPI_ISTREAM_HOSTBUFFER_FREE:
333 /* Don't let these messages go to the HW function because
334 * they're called without allocating the spinlock.
335 * For the HPI6000 adapters the HW would return
336 * HPI_ERROR_INVALID_FUNC anyway.
337 */
338 phr->error = HPI_ERROR_INVALID_FUNC;
339 break;
340 default:
341 hw_message(pao, phm, phr);
342 return;
343 }
344}
345
346/************************************************************************/
347/** HPI_6000()
348 * Entry point from HPIMAN
349 * All calls to the HPI start here
350 */
351void HPI_6000(struct hpi_message *phm, struct hpi_response *phr)
352{
353 struct hpi_adapter_obj *pao = NULL;
354
355 /* subsytem messages get executed by every HPI. */
356 /* All other messages are ignored unless the adapter index matches */
357 /* an adapter in the HPI */
358 HPI_DEBUG_LOG(DEBUG, "O %d,F %x\n", phm->object, phm->function);
359
360 /* if Dsp has crashed then do not communicate with it any more */
361 if (phm->object != HPI_OBJ_SUBSYSTEM) {
362 pao = hpi_find_adapter(phm->adapter_index);
363 if (!pao) {
364 HPI_DEBUG_LOG(DEBUG,
365 " %d,%d refused, for another HPI?\n",
366 phm->object, phm->function);
367 return;
368 }
369
370 if (pao->dsp_crashed >= 10) {
371 hpi_init_response(phr, phm->object, phm->function,
372 HPI_ERROR_DSP_HARDWARE);
373 HPI_DEBUG_LOG(DEBUG, " %d,%d dsp crashed.\n",
374 phm->object, phm->function);
375 return;
376 }
377 }
378 /* Init default response including the size field */
379 if (phm->function != HPI_SUBSYS_CREATE_ADAPTER)
380 hpi_init_response(phr, phm->object, phm->function,
381 HPI_ERROR_PROCESSING_MESSAGE);
382
383 switch (phm->type) {
384 case HPI_TYPE_MESSAGE:
385 switch (phm->object) {
386 case HPI_OBJ_SUBSYSTEM:
387 subsys_message(phm, phr);
388 break;
389
390 case HPI_OBJ_ADAPTER:
391 phr->size =
392 sizeof(struct hpi_response_header) +
393 sizeof(struct hpi_adapter_res);
394 adapter_message(pao, phm, phr);
395 break;
396
397 case HPI_OBJ_CONTROL:
398 control_message(pao, phm, phr);
399 break;
400
401 case HPI_OBJ_OSTREAM:
402 outstream_message(pao, phm, phr);
403 break;
404
405 case HPI_OBJ_ISTREAM:
406 instream_message(pao, phm, phr);
407 break;
408
409 default:
410 hw_message(pao, phm, phr);
411 break;
412 }
413 break;
414
415 default:
416 phr->error = HPI_ERROR_INVALID_TYPE;
417 break;
418 }
419}
420
421/************************************************************************/
422/* SUBSYSTEM */
423
424/* create an adapter object and initialise it based on resource information
425 * passed in in the message
426 * NOTE - you cannot use this function AND the FindAdapters function at the
427 * same time, the application must use only one of them to get the adapters
428 */
429static void subsys_create_adapter(struct hpi_message *phm,
430 struct hpi_response *phr)
431{
432 /* create temp adapter obj, because we don't know what index yet */
433 struct hpi_adapter_obj ao;
434 struct hpi_adapter_obj *pao;
435 u32 os_error_code;
436 short error = 0;
437 u32 dsp_index = 0;
438
439 HPI_DEBUG_LOG(VERBOSE, "subsys_create_adapter\n");
440
441 memset(&ao, 0, sizeof(ao));
442
443 /* this HPI only creates adapters for TI/PCI2040 based devices */
444 if (phm->u.s.resource.bus_type != HPI_BUS_PCI)
445 return;
446 if (phm->u.s.resource.r.pci->vendor_id != HPI_PCI_VENDOR_ID_TI)
447 return;
448 if (phm->u.s.resource.r.pci->device_id != HPI_PCI_DEV_ID_PCI2040)
449 return;
450
550a8b69 451 ao.priv = kzalloc(sizeof(struct hpi_hw_obj), GFP_KERNEL);
719f82d3
EB		 452 if (!ao.priv) {
453 HPI_DEBUG_LOG(ERROR, "cant get mem for adapter object\n");
454 phr->error = HPI_ERROR_MEMORY_ALLOC;
455 return;
456 }
457
719f82d3
EB		 458 /* create the adapter object based on the resource information */
459 /*? memcpy(&ao.Pci,&phm->u.s.Resource.r.Pci,sizeof(ao.Pci)); */
460 ao.pci = *phm->u.s.resource.r.pci;
461
462 error = create_adapter_obj(&ao, &os_error_code);
463 if (!error)
464 error = hpi_add_adapter(&ao);
465 if (error) {
466 phr->u.s.data = os_error_code;
467 kfree(ao.priv);
468 phr->error = error;
469 return;
470 }
471 /* need to update paParentAdapter */
472 pao = hpi_find_adapter(ao.index);
473 if (!pao) {
474 /* We just added this adapter, why can't we find it!? */
475 HPI_DEBUG_LOG(ERROR, "lost adapter after boot\n");
476 phr->error = 950;
477 return;
478 }
479
480 for (dsp_index = 0; dsp_index < MAX_DSPS; dsp_index++) {
481 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
482 phw->ado[dsp_index].pa_parent_adapter = pao;
483 }
484
485 phr->u.s.aw_adapter_list[ao.index] = ao.adapter_type;
486 phr->u.s.adapter_index = ao.index;
487 phr->u.s.num_adapters++;
488 phr->error = 0;
489}
490
491static void subsys_delete_adapter(struct hpi_message *phm,
492 struct hpi_response *phr)
493{
494 struct hpi_adapter_obj *pao = NULL;
495 struct hpi_hw_obj *phw;
496
497 pao = hpi_find_adapter(phm->adapter_index);
498 if (!pao)
499 return;
500
501 phw = (struct hpi_hw_obj *)pao->priv;
502
503 if (pao->has_control_cache)
504 hpi_free_control_cache(phw->p_cache);
505
506 hpi_delete_adapter(pao);
507 kfree(phw);
508
509 phr->error = 0;
510}
511
512/* this routine is called from SubSysFindAdapter and SubSysCreateAdapter */
513static short create_adapter_obj(struct hpi_adapter_obj *pao,
514 u32 *pos_error_code)
515{
516 short boot_error = 0;
517 u32 dsp_index = 0;
518 u32 control_cache_size = 0;
519 u32 control_cache_count = 0;
520 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
521
522 /* init error reporting */
523 pao->dsp_crashed = 0;
524
525 /* The PCI2040 has the following address map */
526 /* BAR0 - 4K = HPI control and status registers on PCI2040 (HPI CSR) */
527 /* BAR1 - 32K = HPI registers on DSP */
528 phw->dw2040_HPICSR = pao->pci.ap_mem_base[0];
529 phw->dw2040_HPIDSP = pao->pci.ap_mem_base[1];
530 HPI_DEBUG_LOG(VERBOSE, "csr %p, dsp %p\n", phw->dw2040_HPICSR,
531 phw->dw2040_HPIDSP);
532
533 /* set addresses for the possible DSP HPI interfaces */
534 for (dsp_index = 0; dsp_index < MAX_DSPS; dsp_index++) {
535 phw->ado[dsp_index].prHPI_control =
536 phw->dw2040_HPIDSP + (CONTROL +
537 DSP_SPACING * dsp_index);
538
539 phw->ado[dsp_index].prHPI_address =
540 phw->dw2040_HPIDSP + (ADDRESS +
541 DSP_SPACING * dsp_index);
542 phw->ado[dsp_index].prHPI_data =
543 phw->dw2040_HPIDSP + (DATA + DSP_SPACING * dsp_index);
544
545 phw->ado[dsp_index].prHPI_data_auto_inc =
546 phw->dw2040_HPIDSP + (DATA_AUTOINC +
547 DSP_SPACING * dsp_index);
548
549 HPI_DEBUG_LOG(VERBOSE, "ctl %p, adr %p, dat %p, dat++ %p\n",
550 phw->ado[dsp_index].prHPI_control,
551 phw->ado[dsp_index].prHPI_address,
552 phw->ado[dsp_index].prHPI_data,
553 phw->ado[dsp_index].prHPI_data_auto_inc);
554
555 phw->ado[dsp_index].pa_parent_adapter = pao;
556 }
557
558 phw->pCI2040HPI_error_count = 0;
559 pao->has_control_cache = 0;
560
561 /* Set the default number of DSPs on this card */
562 /* This is (conditionally) adjusted after bootloading */
563 /* of the first DSP in the bootload section. */
564 phw->num_dsp = 1;
565
566 boot_error = hpi6000_adapter_boot_load_dsp(pao, pos_error_code);
567 if (boot_error)
568 return boot_error;
569
570 HPI_DEBUG_LOG(INFO, "bootload DSP OK\n");
571
572 phw->message_buffer_address_on_dsp = 0L;
573 phw->response_buffer_address_on_dsp = 0L;
574
575 /* get info about the adapter by asking the adapter */
576 /* send a HPI_ADAPTER_GET_INFO message */
577 {
578 struct hpi_message hM;
579 struct hpi_response hR0; /* response from DSP 0 */
580 struct hpi_response hR1; /* response from DSP 1 */
581 u16 error = 0;
582
583 HPI_DEBUG_LOG(VERBOSE, "send ADAPTER_GET_INFO\n");
584 memset(&hM, 0, sizeof(hM));
585 hM.type = HPI_TYPE_MESSAGE;
586 hM.size = sizeof(struct hpi_message);
587 hM.object = HPI_OBJ_ADAPTER;
588 hM.function = HPI_ADAPTER_GET_INFO;
589 hM.adapter_index = 0;
590 memset(&hR0, 0, sizeof(hR0));
591 memset(&hR1, 0, sizeof(hR1));
592 hR0.size = sizeof(hR0);
593 hR1.size = sizeof(hR1);
594
595 error = hpi6000_message_response_sequence(pao, 0, &hM, &hR0);
596 if (hR0.error) {
597 HPI_DEBUG_LOG(DEBUG, "message error %d\n", hR0.error);
598 return hR0.error;
599 }
600 if (phw->num_dsp == 2) {
601 error = hpi6000_message_response_sequence(pao, 1, &hM,
602 &hR1);
603 if (error)
604 return error;
605 }
606 pao->adapter_type = hR0.u.a.adapter_type;
607 pao->index = hR0.u.a.adapter_index;
608 }
609
610 memset(&phw->control_cache[0], 0,
611 sizeof(struct hpi_control_cache_single) *
612 HPI_NMIXER_CONTROLS);
613 /* Read the control cache length to figure out if it is turned on */
614 control_cache_size =
615 hpi_read_word(&phw->ado[0],
616 HPI_HIF_ADDR(control_cache_size_in_bytes));
617 if (control_cache_size) {
618 control_cache_count =
619 hpi_read_word(&phw->ado[0],
620 HPI_HIF_ADDR(control_cache_count));
621 pao->has_control_cache = 1;
622
623 phw->p_cache =
624 hpi_alloc_control_cache(control_cache_count,
625 control_cache_size, (struct hpi_control_cache_info *)
626 &phw->control_cache[0]
627 );
fd0977d0
JJ		 628 if (!phw->p_cache)
629 pao->has_control_cache = 0;
719f82d3
EB		 630 } else
631 pao->has_control_cache = 0;
632
633 HPI_DEBUG_LOG(DEBUG, "get adapter info ASI%04X index %d\n",
634 pao->adapter_type, pao->index);
635 pao->open = 0; /* upon creation the adapter is closed */
636 return 0;
637}
638
639/************************************************************************/
640/* ADAPTER */
641
642static void adapter_get_asserts(struct hpi_adapter_obj *pao,
643 struct hpi_message *phm, struct hpi_response *phr)
644{
645#ifndef HIDE_PCI_ASSERTS
646 /* if we have PCI2040 asserts then collect them */
647 if ((gw_pci_read_asserts > 0) || (gw_pci_write_asserts > 0)) {
648 phr->u.a.serial_number =
649 gw_pci_read_asserts * 100 + gw_pci_write_asserts;
650 phr->u.a.adapter_index = 1; /* assert count */
651 phr->u.a.adapter_type = -1; /* "dsp index" */
652 strcpy(phr->u.a.sz_adapter_assert, "PCI2040 error");
653 gw_pci_read_asserts = 0;
654 gw_pci_write_asserts = 0;
655 phr->error = 0;
656 } else
657#endif
658 hw_message(pao, phm, phr); /*get DSP asserts */
659
660 return;
661}
662
663/************************************************************************/
664/* LOW-LEVEL */
665
666static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
667 u32 *pos_error_code)
668{
669 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
670 short error;
671 u32 timeout;
672 u32 read = 0;
673 u32 i = 0;
674 u32 data = 0;
675 u32 j = 0;
676 u32 test_addr = 0x80000000;
677 u32 test_data = 0x00000001;
678 u32 dw2040_reset = 0;
679 u32 dsp_index = 0;
680 u32 endian = 0;
681 u32 adapter_info = 0;
682 u32 delay = 0;
683
684 struct dsp_code dsp_code;
685 u16 boot_load_family = 0;
686
687 /* NOTE don't use wAdapterType in this routine. It is not setup yet */
688
689 switch (pao->pci.subsys_device_id) {
690 case 0x5100:
691 case 0x5110: /* ASI5100 revB or higher with C6711D */
38439146 692 case 0x5200: /* ASI5200 PC_ie version of ASI5100 */
719f82d3
EB		 693 case 0x6100:
694 case 0x6200:
695 boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x6200);
696 break;
719f82d3
EB		 697 default:
698 return HPI6000_ERROR_UNHANDLED_SUBSYS_ID;
699 }
700
701 /* reset all DSPs, indicate two DSPs are present
702 * set RST3-=1 to disconnect HAD8 to set DSP in little endian mode
703 */
704 endian = 0;
705 dw2040_reset = 0x0003000F;
706 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
707
708 /* read back register to make sure PCI2040 chip is functioning
709 * note that bits 4..15 are read-only and so should always return zero,
710 * even though we wrote 1 to them
711 */
712 for (i = 0; i < 1000; i++)
713 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
714 if (delay != dw2040_reset) {
715 HPI_DEBUG_LOG(ERROR, "INIT_PCI2040 %x %x\n", dw2040_reset,
716 delay);
717 return HPI6000_ERROR_INIT_PCI2040;
718 }
719
720 /* Indicate that DSP#0,1 is a C6X */
721 iowrite32(0x00000003, phw->dw2040_HPICSR + HPI_DATA_WIDTH);
722 /* set Bit30 and 29 - which will prevent Target aborts from being
723 * issued upon HPI or GP error
724 */
725 iowrite32(0x60000000, phw->dw2040_HPICSR + INTERRUPT_MASK_SET);
726
727 /* isolate DSP HAD8 line from PCI2040 so that
728 * Little endian can be set by pullup
729 */
730 dw2040_reset = dw2040_reset & (~(endian << 3));
731 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
732
733 phw->ado[0].c_dsp_rev = 'B'; /* revB */
734 phw->ado[1].c_dsp_rev = 'B'; /* revB */
735
736 /*Take both DSPs out of reset, setting HAD8 to the correct Endian */
737 dw2040_reset = dw2040_reset & (~0x00000001); /* start DSP 0 */
738 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
739 dw2040_reset = dw2040_reset & (~0x00000002); /* start DSP 1 */
740 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
741
742 /* set HAD8 back to PCI2040, now that DSP set to little endian mode */
743 dw2040_reset = dw2040_reset & (~0x00000008);
744 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
745 /*delay to allow DSP to get going */
746 for (i = 0; i < 100; i++)
747 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
748
749 /* loop through all DSPs, downloading DSP code */
750 for (dsp_index = 0; dsp_index < phw->num_dsp; dsp_index++) {
751 struct dsp_obj *pdo = &phw->ado[dsp_index];
752
753 /* configure DSP so that we download code into the SRAM */
754 /* set control reg for little endian, HWOB=1 */
755 iowrite32(0x00010001, pdo->prHPI_control);
756
757 /* test access to the HPI address register (HPIA) */
758 test_data = 0x00000001;
759 for (j = 0; j < 32; j++) {
760 iowrite32(test_data, pdo->prHPI_address);
761 data = ioread32(pdo->prHPI_address);
762 if (data != test_data) {
763 HPI_DEBUG_LOG(ERROR, "INIT_DSPHPI %x %x %x\n",
764 test_data, data, dsp_index);
765 return HPI6000_ERROR_INIT_DSPHPI;
766 }
767 test_data = test_data << 1;
768 }
769
770/* if C6713 the setup PLL to generate 225MHz from 25MHz.
771* Since the PLLDIV1 read is sometimes wrong, even on a C6713,
772* we're going to do this unconditionally
773*/
774/* PLLDIV1 should have a value of 8000 after reset */
775/*
776 if (HpiReadWord(pdo,0x01B7C118) == 0x8000)
777*/
778 {
779 /* C6713 datasheet says we cannot program PLL from HPI,
780 * and indeed if we try to set the PLL multiply from the
781 * HPI, the PLL does not seem to lock,
782 * so we enable the PLL and use the default of x 7
783 */
784 /* bypass PLL */
785 hpi_write_word(pdo, 0x01B7C100, 0x0000);
786 for (i = 0; i < 100; i++)
787 delay = ioread32(phw->dw2040_HPICSR +
788 HPI_RESET);
789
790 /* ** use default of PLL x7 ** */
791 /* EMIF = 225/3=75MHz */
792 hpi_write_word(pdo, 0x01B7C120, 0x8002);
793 /* peri = 225/2 */
794 hpi_write_word(pdo, 0x01B7C11C, 0x8001);
795 /* cpu = 225/1 */
796 hpi_write_word(pdo, 0x01B7C118, 0x8000);
797 /* ~200us delay */
798 for (i = 0; i < 2000; i++)
799 delay = ioread32(phw->dw2040_HPICSR +
800 HPI_RESET);
801 /* PLL not bypassed */
802 hpi_write_word(pdo, 0x01B7C100, 0x0001);
803 /* ~200us delay */
804 for (i = 0; i < 2000; i++)
805 delay = ioread32(phw->dw2040_HPICSR +
806 HPI_RESET);
807 }
808
809 /* test r/w to internal DSP memory
810 * C6711 has L2 cache mapped to 0x0 when reset
811 *
812 * revB - because of bug 3.0.1 last HPI read
813 * (before HPI address issued) must be non-autoinc
814 */
815 /* test each bit in the 32bit word */
816 for (i = 0; i < 100; i++) {
817 test_addr = 0x00000000;
818 test_data = 0x00000001;
819 for (j = 0; j < 32; j++) {
820 hpi_write_word(pdo, test_addr + i, test_data);
821 data = hpi_read_word(pdo, test_addr + i);
822 if (data != test_data) {
823 HPI_DEBUG_LOG(ERROR,
824 "DSP mem %x %x %x %x\n",
825 test_addr + i, test_data,
826 data, dsp_index);
827
828 return HPI6000_ERROR_INIT_DSPINTMEM;
829 }
830 test_data = test_data << 1;
831 }
832 }
833
834 /* memory map of ASI6200
835 00000000-0000FFFF 16Kx32 internal program
836 01800000-019FFFFF Internal peripheral
837 80000000-807FFFFF CE0 2Mx32 SDRAM running @ 100MHz
838 90000000-9000FFFF CE1 Async peripherals:
839
840 EMIF config
841 ------------
842 Global EMIF control
843 0 -
844 1 -
845 2 -
846 3 CLK2EN = 1 CLKOUT2 enabled
847 4 CLK1EN = 0 CLKOUT1 disabled
848 5 EKEN = 1 <--!! C6713 specific, enables ECLKOUT
849 6 -
850 7 NOHOLD = 1 external HOLD disabled
851 8 HOLDA = 0 HOLDA output is low
852 9 HOLD = 0 HOLD input is low
853 10 ARDY = 1 ARDY input is high
854 11 BUSREQ = 0 BUSREQ output is low
855 12,13 Reserved = 1
856 */
857 hpi_write_word(pdo, 0x01800000, 0x34A8);
858
859 /* EMIF CE0 setup - 2Mx32 Sync DRAM
860 31..28 Wr setup
861 27..22 Wr strobe
862 21..20 Wr hold
863 19..16 Rd setup
864 15..14 -
865 13..8 Rd strobe
866 7..4 MTYPE 0011 Sync DRAM 32bits
867 3 Wr hold MSB
868 2..0 Rd hold
869 */
870 hpi_write_word(pdo, 0x01800008, 0x00000030);
871
872 /* EMIF SDRAM Extension
873 31-21 0
874 20 WR2RD = 0
875 19-18 WR2DEAC = 1
876 17 WR2WR = 0
877 16-15 R2WDQM = 2
878 14-12 RD2WR = 4
879 11-10 RD2DEAC = 1
880 9 RD2RD = 1
881 8-7 THZP = 10b
882 6-5 TWR = 2-1 = 01b (tWR = 10ns)
883 4 TRRD = 0b = 2 ECLK (tRRD = 14ns)
884 3-1 TRAS = 5-1 = 100b (Tras=42ns = 5 ECLK)
885 1 CAS latency = 3 ECLK
886 (for Micron 2M32-7 operating at 100Mhz)
887 */
888
889 /* need to use this else DSP code crashes */
890 hpi_write_word(pdo, 0x01800020, 0x001BDF29);
891
892 /* EMIF SDRAM control - set up for a 2Mx32 SDRAM (512x32x4 bank)
893 31 - -
894 30 SDBSZ 1 4 bank
895 29..28 SDRSZ 00 11 row address pins
896 27..26 SDCSZ 01 8 column address pins
897 25 RFEN 1 refersh enabled
898 24 INIT 1 init SDRAM
899 23..20 TRCD 0001
900 19..16 TRP 0001
901 15..12 TRC 0110
902 11..0 - -
903 */
904 /* need to use this else DSP code crashes */
905 hpi_write_word(pdo, 0x01800018, 0x47117000);
906
907 /* EMIF SDRAM Refresh Timing */
908 hpi_write_word(pdo, 0x0180001C, 0x00000410);
909
910 /*MIF CE1 setup - Async peripherals
911 @100MHz bus speed, each cycle is 10ns,
912 31..28 Wr setup = 1
913 27..22 Wr strobe = 3 30ns
914 21..20 Wr hold = 1
915 19..16 Rd setup =1
916 15..14 Ta = 2
917 13..8 Rd strobe = 3 30ns
918 7..4 MTYPE 0010 Async 32bits
919 3 Wr hold MSB =0
920 2..0 Rd hold = 1
921 */
922 {
923 u32 cE1 =
924 (1L << 28) | (3L << 22) | (1L << 20) | (1L <<
925 16) | (2L << 14) | (3L << 8) | (2L << 4) | 1L;
926 hpi_write_word(pdo, 0x01800004, cE1);
927 }
928
929 /* delay a little to allow SDRAM and DSP to "get going" */
930
931 for (i = 0; i < 1000; i++)
932 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
933
934 /* test access to SDRAM */
935 {
936 test_addr = 0x80000000;
937 test_data = 0x00000001;
938 /* test each bit in the 32bit word */
939 for (j = 0; j < 32; j++) {
940 hpi_write_word(pdo, test_addr, test_data);
941 data = hpi_read_word(pdo, test_addr);
942 if (data != test_data) {
943 HPI_DEBUG_LOG(ERROR,
944 "DSP dram %x %x %x %x\n",
945 test_addr, test_data, data,
946 dsp_index);
947
948 return HPI6000_ERROR_INIT_SDRAM1;
949 }
950 test_data = test_data << 1;
951 }
952 /* test every Nth address in the DRAM */
953#define DRAM_SIZE_WORDS 0x200000 /*2_mx32 */
954#define DRAM_INC 1024
955 test_addr = 0x80000000;
956 test_data = 0x0;
957 for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) {
958 hpi_write_word(pdo, test_addr + i, test_data);
959 test_data++;
960 }
961 test_addr = 0x80000000;
962 test_data = 0x0;
963 for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) {
964 data = hpi_read_word(pdo, test_addr + i);
965 if (data != test_data) {
966 HPI_DEBUG_LOG(ERROR,
967 "DSP dram %x %x %x %x\n",
968 test_addr + i, test_data,
969 data, dsp_index);
970 return HPI6000_ERROR_INIT_SDRAM2;
971 }
972 test_data++;
973 }
974
975 }
976
977 /* write the DSP code down into the DSPs memory */
978 /*HpiDspCode_Open(nBootLoadFamily,&DspCode,pdwOsErrorCode); */
979 dsp_code.ps_dev = pao->pci.p_os_data;
980
981 error = hpi_dsp_code_open(boot_load_family, &dsp_code,
982 pos_error_code);
983
984 if (error)
985 return error;
986
987 while (1) {
988 u32 length;
989 u32 address;
990 u32 type;
991 u32 *pcode;
992
993 error = hpi_dsp_code_read_word(&dsp_code, &length);
994 if (error)
995 break;
996 if (length == 0xFFFFFFFF)
997 break; /* end of code */
998
999 error = hpi_dsp_code_read_word(&dsp_code, &address);
1000 if (error)
1001 break;
1002 error = hpi_dsp_code_read_word(&dsp_code, &type);
1003 if (error)
1004 break;
1005 error = hpi_dsp_code_read_block(length, &dsp_code,
1006 &pcode);
1007 if (error)
1008 break;
1009 error = hpi6000_dsp_block_write32(pao, (u16)dsp_index,
1010 address, pcode, length);
1011 if (error)
1012 break;
1013 }
1014
1015 if (error) {
1016 hpi_dsp_code_close(&dsp_code);
1017 return error;
1018 }
1019 /* verify that code was written correctly */
1020 /* this time through, assume no errors in DSP code file/array */
1021 hpi_dsp_code_rewind(&dsp_code);
1022 while (1) {
1023 u32 length;
1024 u32 address;
1025 u32 type;
1026 u32 *pcode;
1027
1028 hpi_dsp_code_read_word(&dsp_code, &length);
1029 if (length == 0xFFFFFFFF)
1030 break; /* end of code */
1031
1032 hpi_dsp_code_read_word(&dsp_code, &address);
1033 hpi_dsp_code_read_word(&dsp_code, &type);
1034 hpi_dsp_code_read_block(length, &dsp_code, &pcode);
1035
1036 for (i = 0; i < length; i++) {
1037 data = hpi_read_word(pdo, address);
1038 if (data != *pcode) {
1039 error = HPI6000_ERROR_INIT_VERIFY;
1040 HPI_DEBUG_LOG(ERROR,
1041 "DSP verify %x %x %x %x\n",
1042 address, *pcode, data,
1043 dsp_index);
1044 break;
1045 }
1046 pcode++;
1047 address += 4;
1048 }
1049 if (error)
1050 break;
1051 }
1052 hpi_dsp_code_close(&dsp_code);
1053 if (error)
1054 return error;
1055
1056 /* zero out the hostmailbox */
1057 {
1058 u32 address = HPI_HIF_ADDR(host_cmd);
1059 for (i = 0; i < 4; i++) {
1060 hpi_write_word(pdo, address, 0);
1061 address += 4;
1062 }
1063 }
1064 /* write the DSP number into the hostmailbox */
1065 /* structure before starting the DSP */
1066 hpi_write_word(pdo, HPI_HIF_ADDR(dsp_number), dsp_index);
1067
1068 /* write the DSP adapter Info into the */
1069 /* hostmailbox before starting the DSP */
1070 if (dsp_index > 0)
1071 hpi_write_word(pdo, HPI_HIF_ADDR(adapter_info),
1072 adapter_info);
1073
1074 /* step 3. Start code by sending interrupt */
1075 iowrite32(0x00030003, pdo->prHPI_control);
1076 for (i = 0; i < 10000; i++)
1077 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
1078
1079 /* wait for a non-zero value in hostcmd -
1080 * indicating initialization is complete
1081 *
1082 * Init could take a while if DSP checks SDRAM memory
1083 * Was 200000. Increased to 2000000 for ASI8801 so we
1084 * don't get 938 errors.
1085 */
1086 timeout = 2000000;
1087 while (timeout) {
1088 do {
1089 read = hpi_read_word(pdo,
1090 HPI_HIF_ADDR(host_cmd));
1091 } while (--timeout
1092 && hpi6000_check_PCI2040_error_flag(pao,
1093 H6READ));
1094
1095 if (read)
1096 break;
1097 /* The following is a workaround for bug #94:
1098 * Bluescreen on install and subsequent boots on a
1099 * DELL PowerEdge 600SC PC with 1.8GHz P4 and
1100 * ServerWorks chipset. Without this delay the system
1101 * locks up with a bluescreen (NOT GPF or pagefault).
1102 */
1103 else
1104 hpios_delay_micro_seconds(1000);
1105 }
1106 if (timeout == 0)
1107 return HPI6000_ERROR_INIT_NOACK;
1108
1109 /* read the DSP adapter Info from the */
1110 /* hostmailbox structure after starting the DSP */
1111 if (dsp_index == 0) {
1112 /*u32 dwTestData=0; */
1113 u32 mask = 0;
1114
1115 adapter_info =
1116 hpi_read_word(pdo,
1117 HPI_HIF_ADDR(adapter_info));
1118 if (HPI_ADAPTER_FAMILY_ASI
1119 (HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER
1120 (adapter_info)) ==
1121 HPI_ADAPTER_FAMILY_ASI(0x6200))
1122 /* all 6200 cards have this many DSPs */
1123 phw->num_dsp = 2;
1124
1125 /* test that the PLD is programmed */
1126 /* and we can read/write 24bits */
1127#define PLD_BASE_ADDRESS 0x90000000L /*for ASI6100/6200/8800 */
1128
1129 switch (boot_load_family) {
1130 case HPI_ADAPTER_FAMILY_ASI(0x6200):
1131 /* ASI6100/6200 has 24bit path to FPGA */
1132 mask = 0xFFFFFF00L;
1133 /* ASI5100 uses AX6 code, */
1134 /* but has no PLD r/w register to test */
1135 if (HPI_ADAPTER_FAMILY_ASI(pao->pci.
1136 subsys_device_id) ==
1137 HPI_ADAPTER_FAMILY_ASI(0x5100))
1138 mask = 0x00000000L;
38439146
EB		 1139 /* ASI5200 uses AX6 code, */
1140 /* but has no PLD r/w register to test */
1141 if (HPI_ADAPTER_FAMILY_ASI(pao->pci.
1142 subsys_device_id) ==
1143 HPI_ADAPTER_FAMILY_ASI(0x5200))
1144 mask = 0x00000000L;
719f82d3
EB		 1145 break;
1146 case HPI_ADAPTER_FAMILY_ASI(0x8800):
1147 /* ASI8800 has 16bit path to FPGA */
1148 mask = 0xFFFF0000L;
1149 break;
1150 }
1151 test_data = 0xAAAAAA00L & mask;
1152 /* write to 24 bit Debug register (D31-D8) */
1153 hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
1154 read = hpi_read_word(pdo,
1155 PLD_BASE_ADDRESS + 4L) & mask;
1156 if (read != test_data) {
1157 HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
1158 read);
1159 return HPI6000_ERROR_INIT_PLDTEST1;
1160 }
1161 test_data = 0x55555500L & mask;
1162 hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
1163 read = hpi_read_word(pdo,
1164 PLD_BASE_ADDRESS + 4L) & mask;
1165 if (read != test_data) {
1166 HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
1167 read);
1168 return HPI6000_ERROR_INIT_PLDTEST2;
1169 }
1170 }
1171 } /* for numDSP */
1172 return 0;
1173}
1174
1175#define PCI_TIMEOUT 100
1176
1177static int hpi_set_address(struct dsp_obj *pdo, u32 address)
1178{
1179 u32 timeout = PCI_TIMEOUT;
1180
1181 do {
1182 iowrite32(address, pdo->prHPI_address);
1183 } while (hpi6000_check_PCI2040_error_flag(pdo->pa_parent_adapter,
1184 H6WRITE)
1185 && --timeout);
1186
1187 if (timeout)
1188 return 0;
1189
1190 return 1;
1191}
1192
1193/* write one word to the HPI port */
1194static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data)
1195{
1196 if (hpi_set_address(pdo, address))
1197 return;
1198 iowrite32(data, pdo->prHPI_data);
1199}
1200
1201/* read one word from the HPI port */
1202static u32 hpi_read_word(struct dsp_obj *pdo, u32 address)
1203{
1204 u32 data = 0;
1205
1206 if (hpi_set_address(pdo, address))
1207 return 0; /*? no way to return error */
1208
1209 /* take care of errata in revB DSP (2.0.1) */
1210 data = ioread32(pdo->prHPI_data);
1211 return data;
1212}
1213
1214/* write a block of 32bit words to the DSP HPI port using auto-inc mode */
1215static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
1216 u32 length)
1217{
1218 u16 length16 = length - 1;
1219
1220 if (length == 0)
1221 return;
1222
1223 if (hpi_set_address(pdo, address))
1224 return;
1225
1226 iowrite32_rep(pdo->prHPI_data_auto_inc, pdata, length16);
1227
1228 /* take care of errata in revB DSP (2.0.1) */
1229 /* must end with non auto-inc */
1230 iowrite32(*(pdata + length - 1), pdo->prHPI_data);
1231}
1232
1233/** read a block of 32bit words from the DSP HPI port using auto-inc mode
1234 */
1235static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
1236 u32 length)
1237{
1238 u16 length16 = length - 1;
1239
1240 if (length == 0)
1241 return;
1242
1243 if (hpi_set_address(pdo, address))
1244 return;
1245
1246 ioread32_rep(pdo->prHPI_data_auto_inc, pdata, length16);
1247
1248 /* take care of errata in revB DSP (2.0.1) */
1249 /* must end with non auto-inc */
1250 *(pdata + length - 1) = ioread32(pdo->prHPI_data);
1251}
1252
1253static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao,
1254 u16 dsp_index, u32 hpi_address, u32 *source, u32 count)
1255{
1256 struct dsp_obj *pdo =
1257 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1258 u32 time_out = PCI_TIMEOUT;
1259 int c6711_burst_size = 128;
1260 u32 local_hpi_address = hpi_address;
1261 int local_count = count;
1262 int xfer_size;
1263 u32 *pdata = source;
1264
1265 while (local_count) {
1266 if (local_count > c6711_burst_size)
1267 xfer_size = c6711_burst_size;
1268 else
1269 xfer_size = local_count;
1270
1271 time_out = PCI_TIMEOUT;
1272 do {
1273 hpi_write_block(pdo, local_hpi_address, pdata,
1274 xfer_size);
1275 } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE)
1276 && --time_out);
1277
1278 if (!time_out)
1279 break;
1280 pdata += xfer_size;
1281 local_hpi_address += sizeof(u32) * xfer_size;
1282 local_count -= xfer_size;
1283 }
1284
1285 if (time_out)
1286 return 0;
1287 else
1288 return 1;
1289}
1290
1291static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao,
1292 u16 dsp_index, u32 hpi_address, u32 *dest, u32 count)
1293{
1294 struct dsp_obj *pdo =
1295 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1296 u32 time_out = PCI_TIMEOUT;
1297 int c6711_burst_size = 16;
1298 u32 local_hpi_address = hpi_address;
1299 int local_count = count;
1300 int xfer_size;
1301 u32 *pdata = dest;
1302 u32 loop_count = 0;
1303
1304 while (local_count) {
1305 if (local_count > c6711_burst_size)
1306 xfer_size = c6711_burst_size;
1307 else
1308 xfer_size = local_count;
1309
1310 time_out = PCI_TIMEOUT;
1311 do {
1312 hpi_read_block(pdo, local_hpi_address, pdata,
1313 xfer_size);
1314 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1315 && --time_out);
1316 if (!time_out)
1317 break;
1318
1319 pdata += xfer_size;
1320 local_hpi_address += sizeof(u32) * xfer_size;
1321 local_count -= xfer_size;
1322 loop_count++;
1323 }
1324
1325 if (time_out)
1326 return 0;
1327 else
1328 return 1;
1329}
1330
1331static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao,
1332 u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr)
1333{
1334 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
1335 struct dsp_obj *pdo = &phw->ado[dsp_index];
1336 u32 timeout;
1337 u16 ack;
1338 u32 address;
1339 u32 length;
1340 u32 *p_data;
1341 u16 error = 0;
1342
1343 /* does the DSP we are referencing exist? */
1344 if (dsp_index >= phw->num_dsp)
1345 return HPI6000_ERROR_MSG_INVALID_DSP_INDEX;
1346
1347 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE);
1348 if (ack & HPI_HIF_ERROR_MASK) {
1349 pao->dsp_crashed++;
1350 return HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT;
1351 }
1352 pao->dsp_crashed = 0;
1353
1354 /* send the message */
1355
1356 /* get the address and size */
1357 if (phw->message_buffer_address_on_dsp == 0) {
1358 timeout = TIMEOUT;
1359 do {
1360 address =
1361 hpi_read_word(pdo,
1362 HPI_HIF_ADDR(message_buffer_address));
1363 phw->message_buffer_address_on_dsp = address;
1364 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1365 && --timeout);
1366 if (!timeout)
1367 return HPI6000_ERROR_MSG_GET_ADR;
1368 } else
1369 address = phw->message_buffer_address_on_dsp;
1370
1371 /* dwLength = sizeof(struct hpi_message); */
1372 length = phm->size;
1373
1374 /* send it */
1375 p_data = (u32 *)phm;
1376 if (hpi6000_dsp_block_write32(pao, dsp_index, address, p_data,
1377 (u16)length / 4))
1378 return HPI6000_ERROR_MSG_RESP_BLOCKWRITE32;
1379
1380 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_GET_RESP))
1381 return HPI6000_ERROR_MSG_RESP_GETRESPCMD;
1382 hpi6000_send_dsp_interrupt(pdo);
1383
1384 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_GET_RESP);
1385 if (ack & HPI_HIF_ERROR_MASK)
1386 return HPI6000_ERROR_MSG_RESP_GET_RESP_ACK;
1387
1388 /* get the address and size */
1389 if (phw->response_buffer_address_on_dsp == 0) {
1390 timeout = TIMEOUT;
1391 do {
1392 address =
1393 hpi_read_word(pdo,
1394 HPI_HIF_ADDR(response_buffer_address));
1395 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1396 && --timeout);
1397 phw->response_buffer_address_on_dsp = address;
1398
1399 if (!timeout)
1400 return HPI6000_ERROR_RESP_GET_ADR;
1401 } else
1402 address = phw->response_buffer_address_on_dsp;
1403
1404 /* read the length of the response back from the DSP */
1405 timeout = TIMEOUT;
1406 do {
1407 length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
1408 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout);
1409 if (!timeout)
1410 length = sizeof(struct hpi_response);
1411
1412 /* get it */
1413 p_data = (u32 *)phr;
1414 if (hpi6000_dsp_block_read32(pao, dsp_index, address, p_data,
1415 (u16)length / 4))
1416 return HPI6000_ERROR_MSG_RESP_BLOCKREAD32;
1417
1418 /* set i/f back to idle */
1419 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE))
1420 return HPI6000_ERROR_MSG_RESP_IDLECMD;
1421 hpi6000_send_dsp_interrupt(pdo);
1422
1423 error = hpi_validate_response(phm, phr);
1424 return error;
1425}
1426
1427/* have to set up the below defines to match stuff in the MAP file */
1428
1429#define MSG_ADDRESS (HPI_HIF_BASE+0x18)
1430#define MSG_LENGTH 11
1431#define RESP_ADDRESS (HPI_HIF_BASE+0x44)
1432#define RESP_LENGTH 16
1433#define QUEUE_START (HPI_HIF_BASE+0x88)
1434#define QUEUE_SIZE 0x8000
1435
1436static short hpi6000_send_data_check_adr(u32 address, u32 length_in_dwords)
1437{
1438/*#define CHECKING // comment this line in to enable checking */
1439#ifdef CHECKING
1440 if (address < (u32)MSG_ADDRESS)
1441 return 0;
1442 if (address > (u32)(QUEUE_START + QUEUE_SIZE))
1443 return 0;
1444 if ((address + (length_in_dwords << 2)) >
1445 (u32)(QUEUE_START + QUEUE_SIZE))
1446 return 0;
1447#else
1448 (void)address;
1449 (void)length_in_dwords;
1450 return 1;
1451#endif
1452}
1453
1454static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index,
1455 struct hpi_message *phm, struct hpi_response *phr)
1456{
1457 struct dsp_obj *pdo =
1458 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1459 u32 data_sent = 0;
1460 u16 ack;
1461 u32 length, address;
1462 u32 *p_data = (u32 *)phm->u.d.u.data.pb_data;
1463 u16 time_out = 8;
1464
1465 (void)phr;
1466
1467 /* round dwDataSize down to nearest 4 bytes */
1468 while ((data_sent < (phm->u.d.u.data.data_size & ~3L))
1469 && --time_out) {
1470 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE);
1471 if (ack & HPI_HIF_ERROR_MASK)
1472 return HPI6000_ERROR_SEND_DATA_IDLE_TIMEOUT;
1473
1474 if (hpi6000_send_host_command(pao, dsp_index,
1475 HPI_HIF_SEND_DATA))
1476 return HPI6000_ERROR_SEND_DATA_CMD;
1477
1478 hpi6000_send_dsp_interrupt(pdo);
1479
1480 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_SEND_DATA);
1481
1482 if (ack & HPI_HIF_ERROR_MASK)
1483 return HPI6000_ERROR_SEND_DATA_ACK;
1484
1485 do {
1486 /* get the address and size */
1487 address = hpi_read_word(pdo, HPI_HIF_ADDR(address));
1488 /* DSP returns number of DWORDS */
1489 length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
1490 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ));
1491
1492 if (!hpi6000_send_data_check_adr(address, length))
1493 return HPI6000_ERROR_SEND_DATA_ADR;
1494
1495 /* send the data. break data into 512 DWORD blocks (2K bytes)
1496 * and send using block write. 2Kbytes is the max as this is the
1497 * memory window given to the HPI data register by the PCI2040
1498 */
1499
1500 {
1501 u32 len = length;
1502 u32 blk_len = 512;
1503 while (len) {
1504 if (len < blk_len)
1505 blk_len = len;
1506 if (hpi6000_dsp_block_write32(pao, dsp_index,
1507 address, p_data, blk_len))
1508 return HPI6000_ERROR_SEND_DATA_WRITE;
1509 address += blk_len * 4;
1510 p_data += blk_len;
1511 len -= blk_len;
1512 }
1513 }
1514
1515 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE))
1516 return HPI6000_ERROR_SEND_DATA_IDLECMD;
1517
1518 hpi6000_send_dsp_interrupt(pdo);
1519
1520 data_sent += length * 4;
1521 }
1522 if (!time_out)
1523 return HPI6000_ERROR_SEND_DATA_TIMEOUT;
1524 return 0;
1525}
1526
1527static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index,
1528 struct hpi_message *phm, struct hpi_response *phr)
1529{
1530 struct dsp_obj *pdo =
1531 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1532 u32 data_got = 0;
1533 u16 ack;
1534 u32 length, address;
1535 u32 *p_data = (u32 *)phm->u.d.u.data.pb_data;
1536
1537 (void)phr; /* this parameter not used! */
1538
1539 /* round dwDataSize down to nearest 4 bytes */
1540 while (data_got < (phm->u.d.u.data.data_size & ~3L)) {
1541 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE);
1542 if (ack & HPI_HIF_ERROR_MASK)
1543 return HPI6000_ERROR_GET_DATA_IDLE_TIMEOUT;
1544
1545 if (hpi6000_send_host_command(pao, dsp_index,
1546 HPI_HIF_GET_DATA))
1547 return HPI6000_ERROR_GET_DATA_CMD;
1548 hpi6000_send_dsp_interrupt(pdo);
1549
1550 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_GET_DATA);
1551
1552 if (ack & HPI_HIF_ERROR_MASK)
1553 return HPI6000_ERROR_GET_DATA_ACK;
1554
1555 /* get the address and size */
1556 do {
1557 address = hpi_read_word(pdo, HPI_HIF_ADDR(address));
1558 length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
1559 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ));
1560
1561 /* read the data */
1562 {
1563 u32 len = length;
1564 u32 blk_len = 512;
1565 while (len) {
1566 if (len < blk_len)
1567 blk_len = len;
1568 if (hpi6000_dsp_block_read32(pao, dsp_index,
1569 address, p_data, blk_len))
1570 return HPI6000_ERROR_GET_DATA_READ;
1571 address += blk_len * 4;
1572 p_data += blk_len;
1573 len -= blk_len;
1574 }
1575 }
1576
1577 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE))
1578 return HPI6000_ERROR_GET_DATA_IDLECMD;
1579 hpi6000_send_dsp_interrupt(pdo);
1580
1581 data_got += length * 4;
1582 }
1583 return 0;
1584}
1585
1586static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo)
1587{
1588 iowrite32(0x00030003, pdo->prHPI_control); /* DSPINT */
1589}
1590
1591static short hpi6000_send_host_command(struct hpi_adapter_obj *pao,
1592 u16 dsp_index, u32 host_cmd)
1593{
1594 struct dsp_obj *pdo =
1595 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1596 u32 timeout = TIMEOUT;
1597
1598 /* set command */
1599 do {
1600 hpi_write_word(pdo, HPI_HIF_ADDR(host_cmd), host_cmd);
1601 /* flush the FIFO */
1602 hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd));
1603 } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE) && --timeout);
1604
1605 /* reset the interrupt bit */
1606 iowrite32(0x00040004, pdo->prHPI_control);
1607
1608 if (timeout)
1609 return 0;
1610 else
1611 return 1;
1612}
1613
1614/* if the PCI2040 has recorded an HPI timeout, reset the error and return 1 */
1615static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao,
1616 u16 read_or_write)
1617{
1618 u32 hPI_error;
1619
1620 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
1621
1622 /* read the error bits from the PCI2040 */
1623 hPI_error = ioread32(phw->dw2040_HPICSR + HPI_ERROR_REPORT);
1624 if (hPI_error) {
1625 /* reset the error flag */
1626 iowrite32(0L, phw->dw2040_HPICSR + HPI_ERROR_REPORT);
1627 phw->pCI2040HPI_error_count++;
1628 if (read_or_write == 1)
1629 gw_pci_read_asserts++; /************* inc global */
1630 else
1631 gw_pci_write_asserts++;
1632 return 1;
1633 } else
1634 return 0;
1635}
1636
1637static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index,
1638 u32 ack_value)
1639{
1640 struct dsp_obj *pdo =
1641 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1642 u32 ack = 0L;
1643 u32 timeout;
1644 u32 hPIC = 0L;
1645
1646 /* wait for host interrupt to signal ack is ready */
1647 timeout = TIMEOUT;
1648 while (--timeout) {
1649 hPIC = ioread32(pdo->prHPI_control);
1650 if (hPIC & 0x04) /* 0x04 = HINT from DSP */
1651 break;
1652 }
1653 if (timeout == 0)
1654 return HPI_HIF_ERROR_MASK;
1655
1656 /* wait for dwAckValue */
1657 timeout = TIMEOUT;
1658 while (--timeout) {
1659 /* read the ack mailbox */
1660 ack = hpi_read_word(pdo, HPI_HIF_ADDR(dsp_ack));
1661 if (ack == ack_value)
1662 break;
1663 if ((ack & HPI_HIF_ERROR_MASK)
1664 && !hpi6000_check_PCI2040_error_flag(pao, H6READ))
1665 break;
1666 /*for (i=0;i<1000;i++) */
1667 /* dwPause=i+1; */
1668 }
1669 if (ack & HPI_HIF_ERROR_MASK)
1670 /* indicates bad read from DSP -
1671 typically 0xffffff is read for some reason */
1672 ack = HPI_HIF_ERROR_MASK;
1673
1674 if (timeout == 0)
1675 ack = HPI_HIF_ERROR_MASK;
1676 return (short)ack;
1677}
1678
1679static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao,
1680 struct hpi_message *phm)
1681{
1682 const u16 dsp_index = 0;
1683 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
1684 struct dsp_obj *pdo = &phw->ado[dsp_index];
1685 u32 timeout;
1686 u32 cache_dirty_flag;
1687 u16 err;
1688
1689 hpios_dsplock_lock(pao);
1690
1691 timeout = TIMEOUT;
1692 do {
1693 cache_dirty_flag =
1694 hpi_read_word((struct dsp_obj *)pdo,
1695 HPI_HIF_ADDR(control_cache_is_dirty));
1696 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout);
1697 if (!timeout) {
1698 err = HPI6000_ERROR_CONTROL_CACHE_PARAMS;
1699 goto unlock;
1700 }
1701
1702 if (cache_dirty_flag) {
1703 /* read the cached controls */
1704 u32 address;
1705 u32 length;
1706
1707 timeout = TIMEOUT;
1708 if (pdo->control_cache_address_on_dsp == 0) {
1709 do {
1710 address =
1711 hpi_read_word((struct dsp_obj *)pdo,
1712 HPI_HIF_ADDR(control_cache_address));
1713
1714 length = hpi_read_word((struct dsp_obj *)pdo,
1715 HPI_HIF_ADDR
1716 (control_cache_size_in_bytes));
1717 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1718 && --timeout);
1719 if (!timeout) {
1720 err = HPI6000_ERROR_CONTROL_CACHE_ADDRLEN;
1721 goto unlock;
1722 }
1723 pdo->control_cache_address_on_dsp = address;
1724 pdo->control_cache_length_on_dsp = length;
1725 } else {
1726 address = pdo->control_cache_address_on_dsp;
1727 length = pdo->control_cache_length_on_dsp;
1728 }
1729
1730 if (hpi6000_dsp_block_read32(pao, dsp_index, address,
1731 (u32 *)&phw->control_cache[0],
1732 length / sizeof(u32))) {
1733 err = HPI6000_ERROR_CONTROL_CACHE_READ;
1734 goto unlock;
1735 }
1736 do {
1737 hpi_write_word((struct dsp_obj *)pdo,
1738 HPI_HIF_ADDR(control_cache_is_dirty), 0);
1739 /* flush the FIFO */
1740 hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd));
1741 } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE)
1742 && --timeout);
1743 if (!timeout) {
1744 err = HPI6000_ERROR_CONTROL_CACHE_FLUSH;
1745 goto unlock;
1746 }
1747
1748 }
1749 err = 0;
1750
1751unlock:
1752 hpios_dsplock_unlock(pao);
1753 return err;
1754}
1755
1756/** Get dsp index for multi DSP adapters only */
1757static u16 get_dsp_index(struct hpi_adapter_obj *pao, struct hpi_message *phm)
1758{
1759 u16 ret = 0;
1760 switch (phm->object) {
1761 case HPI_OBJ_ISTREAM:
1762 if (phm->obj_index < 2)
1763 ret = 1;
1764 break;
1765 case HPI_OBJ_PROFILE:
1766 ret = phm->obj_index;
1767 break;
1768 default:
1769 break;
1770 }
1771 return ret;
1772}
1773
1774/** Complete transaction with DSP
1775
1776Send message, get response, send or get stream data if any.
1777*/
1778static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
1779 struct hpi_response *phr)
1780{
1781 u16 error = 0;
1782 u16 dsp_index = 0;
1783 u16 num_dsp = ((struct hpi_hw_obj *)pao->priv)->num_dsp;
719f82d3
EB		 1784
1785 if (num_dsp < 2)
1786 dsp_index = 0;
1787 else {
1788 dsp_index = get_dsp_index(pao, phm);
1789
1790 /* is this checked on the DSP anyway? */
1791 if ((phm->function == HPI_ISTREAM_GROUP_ADD)
1792 || (phm->function == HPI_OSTREAM_GROUP_ADD)) {
1793 struct hpi_message hm;
1794 u16 add_index;
1795 hm.obj_index = phm->u.d.u.stream.stream_index;
1796 hm.object = phm->u.d.u.stream.object_type;
1797 add_index = get_dsp_index(pao, &hm);
1798 if (add_index != dsp_index) {
1799 phr->error = HPI_ERROR_NO_INTERDSP_GROUPS;
1800 return;
1801 }
1802 }
1803 }
bca516bf
EB		 1804
1805 hpios_dsplock_lock(pao);
719f82d3
EB		 1806 error = hpi6000_message_response_sequence(pao, dsp_index, phm, phr);
1807
1808 /* maybe an error response */
1809 if (error) {
1810 /* something failed in the HPI/DSP interface */
1811 phr->error = error;
1812 /* just the header of the response is valid */
1813 phr->size = sizeof(struct hpi_response_header);
1814 goto err;
1815 }
1816
1817 if (phr->error != 0) /* something failed in the DSP */
1818 goto err;
1819
1820 switch (phm->function) {
1821 case HPI_OSTREAM_WRITE:
1822 case HPI_ISTREAM_ANC_WRITE:
1823 error = hpi6000_send_data(pao, dsp_index, phm, phr);
1824 break;
1825 case HPI_ISTREAM_READ:
1826 case HPI_OSTREAM_ANC_READ:
1827 error = hpi6000_get_data(pao, dsp_index, phm, phr);
1828 break;
1829 case HPI_ADAPTER_GET_ASSERT:
1830 phr->u.a.adapter_index = 0; /* dsp 0 default */
1831 if (num_dsp == 2) {
1832 if (!phr->u.a.adapter_type) {
1833 /* no assert from dsp 0, check dsp 1 */
1834 error = hpi6000_message_response_sequence(pao,
1835 1, phm, phr);
1836 phr->u.a.adapter_index = 1;
1837 }
1838 }
1839 }
1840
1841 if (error)
1842 phr->error = error;
1843
1844err:
1845 hpios_dsplock_unlock(pao);
1846 return;
1847}
Clone of davem's net-next-2.6 tree