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ALSA: Add support of AudioScience ASI boards
[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
451 ao.priv = kmalloc(sizeof(struct hpi_hw_obj), GFP_KERNEL);
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
458 memset(ao.priv, 0, sizeof(struct hpi_hw_obj));
459 /* create the adapter object based on the resource information */
460 /*? memcpy(&ao.Pci,&phm->u.s.Resource.r.Pci,sizeof(ao.Pci)); */
461 ao.pci = *phm->u.s.resource.r.pci;
462
463 error = create_adapter_obj(&ao, &os_error_code);
464 if (!error)
465 error = hpi_add_adapter(&ao);
466 if (error) {
467 phr->u.s.data = os_error_code;
468 kfree(ao.priv);
469 phr->error = error;
470 return;
471 }
472 /* need to update paParentAdapter */
473 pao = hpi_find_adapter(ao.index);
474 if (!pao) {
475 /* We just added this adapter, why can't we find it!? */
476 HPI_DEBUG_LOG(ERROR, "lost adapter after boot\n");
477 phr->error = 950;
478 return;
479 }
480
481 for (dsp_index = 0; dsp_index < MAX_DSPS; dsp_index++) {
482 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
483 phw->ado[dsp_index].pa_parent_adapter = pao;
484 }
485
486 phr->u.s.aw_adapter_list[ao.index] = ao.adapter_type;
487 phr->u.s.adapter_index = ao.index;
488 phr->u.s.num_adapters++;
489 phr->error = 0;
490}
491
492static void subsys_delete_adapter(struct hpi_message *phm,
493 struct hpi_response *phr)
494{
495 struct hpi_adapter_obj *pao = NULL;
496 struct hpi_hw_obj *phw;
497
498 pao = hpi_find_adapter(phm->adapter_index);
499 if (!pao)
500 return;
501
502 phw = (struct hpi_hw_obj *)pao->priv;
503
504 if (pao->has_control_cache)
505 hpi_free_control_cache(phw->p_cache);
506
507 hpi_delete_adapter(pao);
508 kfree(phw);
509
510 phr->error = 0;
511}
512
513/* this routine is called from SubSysFindAdapter and SubSysCreateAdapter */
514static short create_adapter_obj(struct hpi_adapter_obj *pao,
515 u32 *pos_error_code)
516{
517 short boot_error = 0;
518 u32 dsp_index = 0;
519 u32 control_cache_size = 0;
520 u32 control_cache_count = 0;
521 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
522
523 /* init error reporting */
524 pao->dsp_crashed = 0;
525
526 /* The PCI2040 has the following address map */
527 /* BAR0 - 4K = HPI control and status registers on PCI2040 (HPI CSR) */
528 /* BAR1 - 32K = HPI registers on DSP */
529 phw->dw2040_HPICSR = pao->pci.ap_mem_base[0];
530 phw->dw2040_HPIDSP = pao->pci.ap_mem_base[1];
531 HPI_DEBUG_LOG(VERBOSE, "csr %p, dsp %p\n", phw->dw2040_HPICSR,
532 phw->dw2040_HPIDSP);
533
534 /* set addresses for the possible DSP HPI interfaces */
535 for (dsp_index = 0; dsp_index < MAX_DSPS; dsp_index++) {
536 phw->ado[dsp_index].prHPI_control =
537 phw->dw2040_HPIDSP + (CONTROL +
538 DSP_SPACING * dsp_index);
539
540 phw->ado[dsp_index].prHPI_address =
541 phw->dw2040_HPIDSP + (ADDRESS +
542 DSP_SPACING * dsp_index);
543 phw->ado[dsp_index].prHPI_data =
544 phw->dw2040_HPIDSP + (DATA + DSP_SPACING * dsp_index);
545
546 phw->ado[dsp_index].prHPI_data_auto_inc =
547 phw->dw2040_HPIDSP + (DATA_AUTOINC +
548 DSP_SPACING * dsp_index);
549
550 HPI_DEBUG_LOG(VERBOSE, "ctl %p, adr %p, dat %p, dat++ %p\n",
551 phw->ado[dsp_index].prHPI_control,
552 phw->ado[dsp_index].prHPI_address,
553 phw->ado[dsp_index].prHPI_data,
554 phw->ado[dsp_index].prHPI_data_auto_inc);
555
556 phw->ado[dsp_index].pa_parent_adapter = pao;
557 }
558
559 phw->pCI2040HPI_error_count = 0;
560 pao->has_control_cache = 0;
561
562 /* Set the default number of DSPs on this card */
563 /* This is (conditionally) adjusted after bootloading */
564 /* of the first DSP in the bootload section. */
565 phw->num_dsp = 1;
566
567 boot_error = hpi6000_adapter_boot_load_dsp(pao, pos_error_code);
568 if (boot_error)
569 return boot_error;
570
571 HPI_DEBUG_LOG(INFO, "bootload DSP OK\n");
572
573 phw->message_buffer_address_on_dsp = 0L;
574 phw->response_buffer_address_on_dsp = 0L;
575
576 /* get info about the adapter by asking the adapter */
577 /* send a HPI_ADAPTER_GET_INFO message */
578 {
579 struct hpi_message hM;
580 struct hpi_response hR0; /* response from DSP 0 */
581 struct hpi_response hR1; /* response from DSP 1 */
582 u16 error = 0;
583
584 HPI_DEBUG_LOG(VERBOSE, "send ADAPTER_GET_INFO\n");
585 memset(&hM, 0, sizeof(hM));
586 hM.type = HPI_TYPE_MESSAGE;
587 hM.size = sizeof(struct hpi_message);
588 hM.object = HPI_OBJ_ADAPTER;
589 hM.function = HPI_ADAPTER_GET_INFO;
590 hM.adapter_index = 0;
591 memset(&hR0, 0, sizeof(hR0));
592 memset(&hR1, 0, sizeof(hR1));
593 hR0.size = sizeof(hR0);
594 hR1.size = sizeof(hR1);
595
596 error = hpi6000_message_response_sequence(pao, 0, &hM, &hR0);
597 if (hR0.error) {
598 HPI_DEBUG_LOG(DEBUG, "message error %d\n", hR0.error);
599 return hR0.error;
600 }
601 if (phw->num_dsp == 2) {
602 error = hpi6000_message_response_sequence(pao, 1, &hM,
603 &hR1);
604 if (error)
605 return error;
606 }
607 pao->adapter_type = hR0.u.a.adapter_type;
608 pao->index = hR0.u.a.adapter_index;
609 }
610
611 memset(&phw->control_cache[0], 0,
612 sizeof(struct hpi_control_cache_single) *
613 HPI_NMIXER_CONTROLS);
614 /* Read the control cache length to figure out if it is turned on */
615 control_cache_size =
616 hpi_read_word(&phw->ado[0],
617 HPI_HIF_ADDR(control_cache_size_in_bytes));
618 if (control_cache_size) {
619 control_cache_count =
620 hpi_read_word(&phw->ado[0],
621 HPI_HIF_ADDR(control_cache_count));
622 pao->has_control_cache = 1;
623
624 phw->p_cache =
625 hpi_alloc_control_cache(control_cache_count,
626 control_cache_size, (struct hpi_control_cache_info *)
627 &phw->control_cache[0]
628 );
629 } else
630 pao->has_control_cache = 0;
631
632 HPI_DEBUG_LOG(DEBUG, "get adapter info ASI%04X index %d\n",
633 pao->adapter_type, pao->index);
634 pao->open = 0; /* upon creation the adapter is closed */
635 return 0;
636}
637
638/************************************************************************/
639/* ADAPTER */
640
641static void adapter_get_asserts(struct hpi_adapter_obj *pao,
642 struct hpi_message *phm, struct hpi_response *phr)
643{
644#ifndef HIDE_PCI_ASSERTS
645 /* if we have PCI2040 asserts then collect them */
646 if ((gw_pci_read_asserts > 0) || (gw_pci_write_asserts > 0)) {
647 phr->u.a.serial_number =
648 gw_pci_read_asserts * 100 + gw_pci_write_asserts;
649 phr->u.a.adapter_index = 1; /* assert count */
650 phr->u.a.adapter_type = -1; /* "dsp index" */
651 strcpy(phr->u.a.sz_adapter_assert, "PCI2040 error");
652 gw_pci_read_asserts = 0;
653 gw_pci_write_asserts = 0;
654 phr->error = 0;
655 } else
656#endif
657 hw_message(pao, phm, phr); /*get DSP asserts */
658
659 return;
660}
661
662/************************************************************************/
663/* LOW-LEVEL */
664
665static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
666 u32 *pos_error_code)
667{
668 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
669 short error;
670 u32 timeout;
671 u32 read = 0;
672 u32 i = 0;
673 u32 data = 0;
674 u32 j = 0;
675 u32 test_addr = 0x80000000;
676 u32 test_data = 0x00000001;
677 u32 dw2040_reset = 0;
678 u32 dsp_index = 0;
679 u32 endian = 0;
680 u32 adapter_info = 0;
681 u32 delay = 0;
682
683 struct dsp_code dsp_code;
684 u16 boot_load_family = 0;
685
686 /* NOTE don't use wAdapterType in this routine. It is not setup yet */
687
688 switch (pao->pci.subsys_device_id) {
689 case 0x5100:
690 case 0x5110: /* ASI5100 revB or higher with C6711D */
691 case 0x6100:
692 case 0x6200:
693 boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x6200);
694 break;
695 case 0x8800:
696 boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x8800);
697 break;
698 default:
699 return HPI6000_ERROR_UNHANDLED_SUBSYS_ID;
700 }
701
702 /* reset all DSPs, indicate two DSPs are present
703 * set RST3-=1 to disconnect HAD8 to set DSP in little endian mode
704 */
705 endian = 0;
706 dw2040_reset = 0x0003000F;
707 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
708
709 /* read back register to make sure PCI2040 chip is functioning
710 * note that bits 4..15 are read-only and so should always return zero,
711 * even though we wrote 1 to them
712 */
713 for (i = 0; i < 1000; i++)
714 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
715 if (delay != dw2040_reset) {
716 HPI_DEBUG_LOG(ERROR, "INIT_PCI2040 %x %x\n", dw2040_reset,
717 delay);
718 return HPI6000_ERROR_INIT_PCI2040;
719 }
720
721 /* Indicate that DSP#0,1 is a C6X */
722 iowrite32(0x00000003, phw->dw2040_HPICSR + HPI_DATA_WIDTH);
723 /* set Bit30 and 29 - which will prevent Target aborts from being
724 * issued upon HPI or GP error
725 */
726 iowrite32(0x60000000, phw->dw2040_HPICSR + INTERRUPT_MASK_SET);
727
728 /* isolate DSP HAD8 line from PCI2040 so that
729 * Little endian can be set by pullup
730 */
731 dw2040_reset = dw2040_reset & (~(endian << 3));
732 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
733
734 phw->ado[0].c_dsp_rev = 'B'; /* revB */
735 phw->ado[1].c_dsp_rev = 'B'; /* revB */
736
737 /*Take both DSPs out of reset, setting HAD8 to the correct Endian */
738 dw2040_reset = dw2040_reset & (~0x00000001); /* start DSP 0 */
739 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
740 dw2040_reset = dw2040_reset & (~0x00000002); /* start DSP 1 */
741 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
742
743 /* set HAD8 back to PCI2040, now that DSP set to little endian mode */
744 dw2040_reset = dw2040_reset & (~0x00000008);
745 iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET);
746 /*delay to allow DSP to get going */
747 for (i = 0; i < 100; i++)
748 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
749
750 /* loop through all DSPs, downloading DSP code */
751 for (dsp_index = 0; dsp_index < phw->num_dsp; dsp_index++) {
752 struct dsp_obj *pdo = &phw->ado[dsp_index];
753
754 /* configure DSP so that we download code into the SRAM */
755 /* set control reg for little endian, HWOB=1 */
756 iowrite32(0x00010001, pdo->prHPI_control);
757
758 /* test access to the HPI address register (HPIA) */
759 test_data = 0x00000001;
760 for (j = 0; j < 32; j++) {
761 iowrite32(test_data, pdo->prHPI_address);
762 data = ioread32(pdo->prHPI_address);
763 if (data != test_data) {
764 HPI_DEBUG_LOG(ERROR, "INIT_DSPHPI %x %x %x\n",
765 test_data, data, dsp_index);
766 return HPI6000_ERROR_INIT_DSPHPI;
767 }
768 test_data = test_data << 1;
769 }
770
771/* if C6713 the setup PLL to generate 225MHz from 25MHz.
772* Since the PLLDIV1 read is sometimes wrong, even on a C6713,
773* we're going to do this unconditionally
774*/
775/* PLLDIV1 should have a value of 8000 after reset */
776/*
777 if (HpiReadWord(pdo,0x01B7C118) == 0x8000)
778*/
779 {
780 /* C6713 datasheet says we cannot program PLL from HPI,
781 * and indeed if we try to set the PLL multiply from the
782 * HPI, the PLL does not seem to lock,
783 * so we enable the PLL and use the default of x 7
784 */
785 /* bypass PLL */
786 hpi_write_word(pdo, 0x01B7C100, 0x0000);
787 for (i = 0; i < 100; i++)
788 delay = ioread32(phw->dw2040_HPICSR +
789 HPI_RESET);
790
791 /* ** use default of PLL x7 ** */
792 /* EMIF = 225/3=75MHz */
793 hpi_write_word(pdo, 0x01B7C120, 0x8002);
794 /* peri = 225/2 */
795 hpi_write_word(pdo, 0x01B7C11C, 0x8001);
796 /* cpu = 225/1 */
797 hpi_write_word(pdo, 0x01B7C118, 0x8000);
798 /* ~200us delay */
799 for (i = 0; i < 2000; i++)
800 delay = ioread32(phw->dw2040_HPICSR +
801 HPI_RESET);
802 /* PLL not bypassed */
803 hpi_write_word(pdo, 0x01B7C100, 0x0001);
804 /* ~200us delay */
805 for (i = 0; i < 2000; i++)
806 delay = ioread32(phw->dw2040_HPICSR +
807 HPI_RESET);
808 }
809
810 /* test r/w to internal DSP memory
811 * C6711 has L2 cache mapped to 0x0 when reset
812 *
813 * revB - because of bug 3.0.1 last HPI read
814 * (before HPI address issued) must be non-autoinc
815 */
816 /* test each bit in the 32bit word */
817 for (i = 0; i < 100; i++) {
818 test_addr = 0x00000000;
819 test_data = 0x00000001;
820 for (j = 0; j < 32; j++) {
821 hpi_write_word(pdo, test_addr + i, test_data);
822 data = hpi_read_word(pdo, test_addr + i);
823 if (data != test_data) {
824 HPI_DEBUG_LOG(ERROR,
825 "DSP mem %x %x %x %x\n",
826 test_addr + i, test_data,
827 data, dsp_index);
828
829 return HPI6000_ERROR_INIT_DSPINTMEM;
830 }
831 test_data = test_data << 1;
832 }
833 }
834
835 /* memory map of ASI6200
836 00000000-0000FFFF 16Kx32 internal program
837 01800000-019FFFFF Internal peripheral
838 80000000-807FFFFF CE0 2Mx32 SDRAM running @ 100MHz
839 90000000-9000FFFF CE1 Async peripherals:
840
841 EMIF config
842 ------------
843 Global EMIF control
844 0 -
845 1 -
846 2 -
847 3 CLK2EN = 1 CLKOUT2 enabled
848 4 CLK1EN = 0 CLKOUT1 disabled
849 5 EKEN = 1 <--!! C6713 specific, enables ECLKOUT
850 6 -
851 7 NOHOLD = 1 external HOLD disabled
852 8 HOLDA = 0 HOLDA output is low
853 9 HOLD = 0 HOLD input is low
854 10 ARDY = 1 ARDY input is high
855 11 BUSREQ = 0 BUSREQ output is low
856 12,13 Reserved = 1
857 */
858 hpi_write_word(pdo, 0x01800000, 0x34A8);
859
860 /* EMIF CE0 setup - 2Mx32 Sync DRAM
861 31..28 Wr setup
862 27..22 Wr strobe
863 21..20 Wr hold
864 19..16 Rd setup
865 15..14 -
866 13..8 Rd strobe
867 7..4 MTYPE 0011 Sync DRAM 32bits
868 3 Wr hold MSB
869 2..0 Rd hold
870 */
871 hpi_write_word(pdo, 0x01800008, 0x00000030);
872
873 /* EMIF SDRAM Extension
874 31-21 0
875 20 WR2RD = 0
876 19-18 WR2DEAC = 1
877 17 WR2WR = 0
878 16-15 R2WDQM = 2
879 14-12 RD2WR = 4
880 11-10 RD2DEAC = 1
881 9 RD2RD = 1
882 8-7 THZP = 10b
883 6-5 TWR = 2-1 = 01b (tWR = 10ns)
884 4 TRRD = 0b = 2 ECLK (tRRD = 14ns)
885 3-1 TRAS = 5-1 = 100b (Tras=42ns = 5 ECLK)
886 1 CAS latency = 3 ECLK
887 (for Micron 2M32-7 operating at 100Mhz)
888 */
889
890 /* need to use this else DSP code crashes */
891 hpi_write_word(pdo, 0x01800020, 0x001BDF29);
892
893 /* EMIF SDRAM control - set up for a 2Mx32 SDRAM (512x32x4 bank)
894 31 - -
895 30 SDBSZ 1 4 bank
896 29..28 SDRSZ 00 11 row address pins
897 27..26 SDCSZ 01 8 column address pins
898 25 RFEN 1 refersh enabled
899 24 INIT 1 init SDRAM
900 23..20 TRCD 0001
901 19..16 TRP 0001
902 15..12 TRC 0110
903 11..0 - -
904 */
905 /* need to use this else DSP code crashes */
906 hpi_write_word(pdo, 0x01800018, 0x47117000);
907
908 /* EMIF SDRAM Refresh Timing */
909 hpi_write_word(pdo, 0x0180001C, 0x00000410);
910
911 /*MIF CE1 setup - Async peripherals
912 @100MHz bus speed, each cycle is 10ns,
913 31..28 Wr setup = 1
914 27..22 Wr strobe = 3 30ns
915 21..20 Wr hold = 1
916 19..16 Rd setup =1
917 15..14 Ta = 2
918 13..8 Rd strobe = 3 30ns
919 7..4 MTYPE 0010 Async 32bits
920 3 Wr hold MSB =0
921 2..0 Rd hold = 1
922 */
923 {
924 u32 cE1 =
925 (1L << 28) | (3L << 22) | (1L << 20) | (1L <<
926 16) | (2L << 14) | (3L << 8) | (2L << 4) | 1L;
927 hpi_write_word(pdo, 0x01800004, cE1);
928 }
929
930 /* delay a little to allow SDRAM and DSP to "get going" */
931
932 for (i = 0; i < 1000; i++)
933 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
934
935 /* test access to SDRAM */
936 {
937 test_addr = 0x80000000;
938 test_data = 0x00000001;
939 /* test each bit in the 32bit word */
940 for (j = 0; j < 32; j++) {
941 hpi_write_word(pdo, test_addr, test_data);
942 data = hpi_read_word(pdo, test_addr);
943 if (data != test_data) {
944 HPI_DEBUG_LOG(ERROR,
945 "DSP dram %x %x %x %x\n",
946 test_addr, test_data, data,
947 dsp_index);
948
949 return HPI6000_ERROR_INIT_SDRAM1;
950 }
951 test_data = test_data << 1;
952 }
953 /* test every Nth address in the DRAM */
954#define DRAM_SIZE_WORDS 0x200000 /*2_mx32 */
955#define DRAM_INC 1024
956 test_addr = 0x80000000;
957 test_data = 0x0;
958 for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) {
959 hpi_write_word(pdo, test_addr + i, test_data);
960 test_data++;
961 }
962 test_addr = 0x80000000;
963 test_data = 0x0;
964 for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) {
965 data = hpi_read_word(pdo, test_addr + i);
966 if (data != test_data) {
967 HPI_DEBUG_LOG(ERROR,
968 "DSP dram %x %x %x %x\n",
969 test_addr + i, test_data,
970 data, dsp_index);
971 return HPI6000_ERROR_INIT_SDRAM2;
972 }
973 test_data++;
974 }
975
976 }
977
978 /* write the DSP code down into the DSPs memory */
979 /*HpiDspCode_Open(nBootLoadFamily,&DspCode,pdwOsErrorCode); */
980 dsp_code.ps_dev = pao->pci.p_os_data;
981
982 error = hpi_dsp_code_open(boot_load_family, &dsp_code,
983 pos_error_code);
984
985 if (error)
986 return error;
987
988 while (1) {
989 u32 length;
990 u32 address;
991 u32 type;
992 u32 *pcode;
993
994 error = hpi_dsp_code_read_word(&dsp_code, &length);
995 if (error)
996 break;
997 if (length == 0xFFFFFFFF)
998 break; /* end of code */
999
1000 error = hpi_dsp_code_read_word(&dsp_code, &address);
1001 if (error)
1002 break;
1003 error = hpi_dsp_code_read_word(&dsp_code, &type);
1004 if (error)
1005 break;
1006 error = hpi_dsp_code_read_block(length, &dsp_code,
1007 &pcode);
1008 if (error)
1009 break;
1010 error = hpi6000_dsp_block_write32(pao, (u16)dsp_index,
1011 address, pcode, length);
1012 if (error)
1013 break;
1014 }
1015
1016 if (error) {
1017 hpi_dsp_code_close(&dsp_code);
1018 return error;
1019 }
1020 /* verify that code was written correctly */
1021 /* this time through, assume no errors in DSP code file/array */
1022 hpi_dsp_code_rewind(&dsp_code);
1023 while (1) {
1024 u32 length;
1025 u32 address;
1026 u32 type;
1027 u32 *pcode;
1028
1029 hpi_dsp_code_read_word(&dsp_code, &length);
1030 if (length == 0xFFFFFFFF)
1031 break; /* end of code */
1032
1033 hpi_dsp_code_read_word(&dsp_code, &address);
1034 hpi_dsp_code_read_word(&dsp_code, &type);
1035 hpi_dsp_code_read_block(length, &dsp_code, &pcode);
1036
1037 for (i = 0; i < length; i++) {
1038 data = hpi_read_word(pdo, address);
1039 if (data != *pcode) {
1040 error = HPI6000_ERROR_INIT_VERIFY;
1041 HPI_DEBUG_LOG(ERROR,
1042 "DSP verify %x %x %x %x\n",
1043 address, *pcode, data,
1044 dsp_index);
1045 break;
1046 }
1047 pcode++;
1048 address += 4;
1049 }
1050 if (error)
1051 break;
1052 }
1053 hpi_dsp_code_close(&dsp_code);
1054 if (error)
1055 return error;
1056
1057 /* zero out the hostmailbox */
1058 {
1059 u32 address = HPI_HIF_ADDR(host_cmd);
1060 for (i = 0; i < 4; i++) {
1061 hpi_write_word(pdo, address, 0);
1062 address += 4;
1063 }
1064 }
1065 /* write the DSP number into the hostmailbox */
1066 /* structure before starting the DSP */
1067 hpi_write_word(pdo, HPI_HIF_ADDR(dsp_number), dsp_index);
1068
1069 /* write the DSP adapter Info into the */
1070 /* hostmailbox before starting the DSP */
1071 if (dsp_index > 0)
1072 hpi_write_word(pdo, HPI_HIF_ADDR(adapter_info),
1073 adapter_info);
1074
1075 /* step 3. Start code by sending interrupt */
1076 iowrite32(0x00030003, pdo->prHPI_control);
1077 for (i = 0; i < 10000; i++)
1078 delay = ioread32(phw->dw2040_HPICSR + HPI_RESET);
1079
1080 /* wait for a non-zero value in hostcmd -
1081 * indicating initialization is complete
1082 *
1083 * Init could take a while if DSP checks SDRAM memory
1084 * Was 200000. Increased to 2000000 for ASI8801 so we
1085 * don't get 938 errors.
1086 */
1087 timeout = 2000000;
1088 while (timeout) {
1089 do {
1090 read = hpi_read_word(pdo,
1091 HPI_HIF_ADDR(host_cmd));
1092 } while (--timeout
1093 && hpi6000_check_PCI2040_error_flag(pao,
1094 H6READ));
1095
1096 if (read)
1097 break;
1098 /* The following is a workaround for bug #94:
1099 * Bluescreen on install and subsequent boots on a
1100 * DELL PowerEdge 600SC PC with 1.8GHz P4 and
1101 * ServerWorks chipset. Without this delay the system
1102 * locks up with a bluescreen (NOT GPF or pagefault).
1103 */
1104 else
1105 hpios_delay_micro_seconds(1000);
1106 }
1107 if (timeout == 0)
1108 return HPI6000_ERROR_INIT_NOACK;
1109
1110 /* read the DSP adapter Info from the */
1111 /* hostmailbox structure after starting the DSP */
1112 if (dsp_index == 0) {
1113 /*u32 dwTestData=0; */
1114 u32 mask = 0;
1115
1116 adapter_info =
1117 hpi_read_word(pdo,
1118 HPI_HIF_ADDR(adapter_info));
1119 if (HPI_ADAPTER_FAMILY_ASI
1120 (HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER
1121 (adapter_info)) ==
1122 HPI_ADAPTER_FAMILY_ASI(0x6200))
1123 /* all 6200 cards have this many DSPs */
1124 phw->num_dsp = 2;
1125
1126 /* test that the PLD is programmed */
1127 /* and we can read/write 24bits */
1128#define PLD_BASE_ADDRESS 0x90000000L /*for ASI6100/6200/8800 */
1129
1130 switch (boot_load_family) {
1131 case HPI_ADAPTER_FAMILY_ASI(0x6200):
1132 /* ASI6100/6200 has 24bit path to FPGA */
1133 mask = 0xFFFFFF00L;
1134 /* ASI5100 uses AX6 code, */
1135 /* but has no PLD r/w register to test */
1136 if (HPI_ADAPTER_FAMILY_ASI(pao->pci.
1137 subsys_device_id) ==
1138 HPI_ADAPTER_FAMILY_ASI(0x5100))
1139 mask = 0x00000000L;
1140 break;
1141 case HPI_ADAPTER_FAMILY_ASI(0x8800):
1142 /* ASI8800 has 16bit path to FPGA */
1143 mask = 0xFFFF0000L;
1144 break;
1145 }
1146 test_data = 0xAAAAAA00L & mask;
1147 /* write to 24 bit Debug register (D31-D8) */
1148 hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
1149 read = hpi_read_word(pdo,
1150 PLD_BASE_ADDRESS + 4L) & mask;
1151 if (read != test_data) {
1152 HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
1153 read);
1154 return HPI6000_ERROR_INIT_PLDTEST1;
1155 }
1156 test_data = 0x55555500L & mask;
1157 hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data);
1158 read = hpi_read_word(pdo,
1159 PLD_BASE_ADDRESS + 4L) & mask;
1160 if (read != test_data) {
1161 HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data,
1162 read);
1163 return HPI6000_ERROR_INIT_PLDTEST2;
1164 }
1165 }
1166 } /* for numDSP */
1167 return 0;
1168}
1169
1170#define PCI_TIMEOUT 100
1171
1172static int hpi_set_address(struct dsp_obj *pdo, u32 address)
1173{
1174 u32 timeout = PCI_TIMEOUT;
1175
1176 do {
1177 iowrite32(address, pdo->prHPI_address);
1178 } while (hpi6000_check_PCI2040_error_flag(pdo->pa_parent_adapter,
1179 H6WRITE)
1180 && --timeout);
1181
1182 if (timeout)
1183 return 0;
1184
1185 return 1;
1186}
1187
1188/* write one word to the HPI port */
1189static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data)
1190{
1191 if (hpi_set_address(pdo, address))
1192 return;
1193 iowrite32(data, pdo->prHPI_data);
1194}
1195
1196/* read one word from the HPI port */
1197static u32 hpi_read_word(struct dsp_obj *pdo, u32 address)
1198{
1199 u32 data = 0;
1200
1201 if (hpi_set_address(pdo, address))
1202 return 0; /*? no way to return error */
1203
1204 /* take care of errata in revB DSP (2.0.1) */
1205 data = ioread32(pdo->prHPI_data);
1206 return data;
1207}
1208
1209/* write a block of 32bit words to the DSP HPI port using auto-inc mode */
1210static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
1211 u32 length)
1212{
1213 u16 length16 = length - 1;
1214
1215 if (length == 0)
1216 return;
1217
1218 if (hpi_set_address(pdo, address))
1219 return;
1220
1221 iowrite32_rep(pdo->prHPI_data_auto_inc, pdata, length16);
1222
1223 /* take care of errata in revB DSP (2.0.1) */
1224 /* must end with non auto-inc */
1225 iowrite32(*(pdata + length - 1), pdo->prHPI_data);
1226}
1227
1228/** read a block of 32bit words from the DSP HPI port using auto-inc mode
1229 */
1230static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata,
1231 u32 length)
1232{
1233 u16 length16 = length - 1;
1234
1235 if (length == 0)
1236 return;
1237
1238 if (hpi_set_address(pdo, address))
1239 return;
1240
1241 ioread32_rep(pdo->prHPI_data_auto_inc, pdata, length16);
1242
1243 /* take care of errata in revB DSP (2.0.1) */
1244 /* must end with non auto-inc */
1245 *(pdata + length - 1) = ioread32(pdo->prHPI_data);
1246}
1247
1248static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao,
1249 u16 dsp_index, u32 hpi_address, u32 *source, u32 count)
1250{
1251 struct dsp_obj *pdo =
1252 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1253 u32 time_out = PCI_TIMEOUT;
1254 int c6711_burst_size = 128;
1255 u32 local_hpi_address = hpi_address;
1256 int local_count = count;
1257 int xfer_size;
1258 u32 *pdata = source;
1259
1260 while (local_count) {
1261 if (local_count > c6711_burst_size)
1262 xfer_size = c6711_burst_size;
1263 else
1264 xfer_size = local_count;
1265
1266 time_out = PCI_TIMEOUT;
1267 do {
1268 hpi_write_block(pdo, local_hpi_address, pdata,
1269 xfer_size);
1270 } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE)
1271 && --time_out);
1272
1273 if (!time_out)
1274 break;
1275 pdata += xfer_size;
1276 local_hpi_address += sizeof(u32) * xfer_size;
1277 local_count -= xfer_size;
1278 }
1279
1280 if (time_out)
1281 return 0;
1282 else
1283 return 1;
1284}
1285
1286static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao,
1287 u16 dsp_index, u32 hpi_address, u32 *dest, u32 count)
1288{
1289 struct dsp_obj *pdo =
1290 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1291 u32 time_out = PCI_TIMEOUT;
1292 int c6711_burst_size = 16;
1293 u32 local_hpi_address = hpi_address;
1294 int local_count = count;
1295 int xfer_size;
1296 u32 *pdata = dest;
1297 u32 loop_count = 0;
1298
1299 while (local_count) {
1300 if (local_count > c6711_burst_size)
1301 xfer_size = c6711_burst_size;
1302 else
1303 xfer_size = local_count;
1304
1305 time_out = PCI_TIMEOUT;
1306 do {
1307 hpi_read_block(pdo, local_hpi_address, pdata,
1308 xfer_size);
1309 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1310 && --time_out);
1311 if (!time_out)
1312 break;
1313
1314 pdata += xfer_size;
1315 local_hpi_address += sizeof(u32) * xfer_size;
1316 local_count -= xfer_size;
1317 loop_count++;
1318 }
1319
1320 if (time_out)
1321 return 0;
1322 else
1323 return 1;
1324}
1325
1326static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao,
1327 u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr)
1328{
1329 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
1330 struct dsp_obj *pdo = &phw->ado[dsp_index];
1331 u32 timeout;
1332 u16 ack;
1333 u32 address;
1334 u32 length;
1335 u32 *p_data;
1336 u16 error = 0;
1337
1338 /* does the DSP we are referencing exist? */
1339 if (dsp_index >= phw->num_dsp)
1340 return HPI6000_ERROR_MSG_INVALID_DSP_INDEX;
1341
1342 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE);
1343 if (ack & HPI_HIF_ERROR_MASK) {
1344 pao->dsp_crashed++;
1345 return HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT;
1346 }
1347 pao->dsp_crashed = 0;
1348
1349 /* send the message */
1350
1351 /* get the address and size */
1352 if (phw->message_buffer_address_on_dsp == 0) {
1353 timeout = TIMEOUT;
1354 do {
1355 address =
1356 hpi_read_word(pdo,
1357 HPI_HIF_ADDR(message_buffer_address));
1358 phw->message_buffer_address_on_dsp = address;
1359 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1360 && --timeout);
1361 if (!timeout)
1362 return HPI6000_ERROR_MSG_GET_ADR;
1363 } else
1364 address = phw->message_buffer_address_on_dsp;
1365
1366 /* dwLength = sizeof(struct hpi_message); */
1367 length = phm->size;
1368
1369 /* send it */
1370 p_data = (u32 *)phm;
1371 if (hpi6000_dsp_block_write32(pao, dsp_index, address, p_data,
1372 (u16)length / 4))
1373 return HPI6000_ERROR_MSG_RESP_BLOCKWRITE32;
1374
1375 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_GET_RESP))
1376 return HPI6000_ERROR_MSG_RESP_GETRESPCMD;
1377 hpi6000_send_dsp_interrupt(pdo);
1378
1379 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_GET_RESP);
1380 if (ack & HPI_HIF_ERROR_MASK)
1381 return HPI6000_ERROR_MSG_RESP_GET_RESP_ACK;
1382
1383 /* get the address and size */
1384 if (phw->response_buffer_address_on_dsp == 0) {
1385 timeout = TIMEOUT;
1386 do {
1387 address =
1388 hpi_read_word(pdo,
1389 HPI_HIF_ADDR(response_buffer_address));
1390 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1391 && --timeout);
1392 phw->response_buffer_address_on_dsp = address;
1393
1394 if (!timeout)
1395 return HPI6000_ERROR_RESP_GET_ADR;
1396 } else
1397 address = phw->response_buffer_address_on_dsp;
1398
1399 /* read the length of the response back from the DSP */
1400 timeout = TIMEOUT;
1401 do {
1402 length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
1403 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout);
1404 if (!timeout)
1405 length = sizeof(struct hpi_response);
1406
1407 /* get it */
1408 p_data = (u32 *)phr;
1409 if (hpi6000_dsp_block_read32(pao, dsp_index, address, p_data,
1410 (u16)length / 4))
1411 return HPI6000_ERROR_MSG_RESP_BLOCKREAD32;
1412
1413 /* set i/f back to idle */
1414 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE))
1415 return HPI6000_ERROR_MSG_RESP_IDLECMD;
1416 hpi6000_send_dsp_interrupt(pdo);
1417
1418 error = hpi_validate_response(phm, phr);
1419 return error;
1420}
1421
1422/* have to set up the below defines to match stuff in the MAP file */
1423
1424#define MSG_ADDRESS (HPI_HIF_BASE+0x18)
1425#define MSG_LENGTH 11
1426#define RESP_ADDRESS (HPI_HIF_BASE+0x44)
1427#define RESP_LENGTH 16
1428#define QUEUE_START (HPI_HIF_BASE+0x88)
1429#define QUEUE_SIZE 0x8000
1430
1431static short hpi6000_send_data_check_adr(u32 address, u32 length_in_dwords)
1432{
1433/*#define CHECKING // comment this line in to enable checking */
1434#ifdef CHECKING
1435 if (address < (u32)MSG_ADDRESS)
1436 return 0;
1437 if (address > (u32)(QUEUE_START + QUEUE_SIZE))
1438 return 0;
1439 if ((address + (length_in_dwords << 2)) >
1440 (u32)(QUEUE_START + QUEUE_SIZE))
1441 return 0;
1442#else
1443 (void)address;
1444 (void)length_in_dwords;
1445 return 1;
1446#endif
1447}
1448
1449static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index,
1450 struct hpi_message *phm, struct hpi_response *phr)
1451{
1452 struct dsp_obj *pdo =
1453 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1454 u32 data_sent = 0;
1455 u16 ack;
1456 u32 length, address;
1457 u32 *p_data = (u32 *)phm->u.d.u.data.pb_data;
1458 u16 time_out = 8;
1459
1460 (void)phr;
1461
1462 /* round dwDataSize down to nearest 4 bytes */
1463 while ((data_sent < (phm->u.d.u.data.data_size & ~3L))
1464 && --time_out) {
1465 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE);
1466 if (ack & HPI_HIF_ERROR_MASK)
1467 return HPI6000_ERROR_SEND_DATA_IDLE_TIMEOUT;
1468
1469 if (hpi6000_send_host_command(pao, dsp_index,
1470 HPI_HIF_SEND_DATA))
1471 return HPI6000_ERROR_SEND_DATA_CMD;
1472
1473 hpi6000_send_dsp_interrupt(pdo);
1474
1475 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_SEND_DATA);
1476
1477 if (ack & HPI_HIF_ERROR_MASK)
1478 return HPI6000_ERROR_SEND_DATA_ACK;
1479
1480 do {
1481 /* get the address and size */
1482 address = hpi_read_word(pdo, HPI_HIF_ADDR(address));
1483 /* DSP returns number of DWORDS */
1484 length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
1485 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ));
1486
1487 if (!hpi6000_send_data_check_adr(address, length))
1488 return HPI6000_ERROR_SEND_DATA_ADR;
1489
1490 /* send the data. break data into 512 DWORD blocks (2K bytes)
1491 * and send using block write. 2Kbytes is the max as this is the
1492 * memory window given to the HPI data register by the PCI2040
1493 */
1494
1495 {
1496 u32 len = length;
1497 u32 blk_len = 512;
1498 while (len) {
1499 if (len < blk_len)
1500 blk_len = len;
1501 if (hpi6000_dsp_block_write32(pao, dsp_index,
1502 address, p_data, blk_len))
1503 return HPI6000_ERROR_SEND_DATA_WRITE;
1504 address += blk_len * 4;
1505 p_data += blk_len;
1506 len -= blk_len;
1507 }
1508 }
1509
1510 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE))
1511 return HPI6000_ERROR_SEND_DATA_IDLECMD;
1512
1513 hpi6000_send_dsp_interrupt(pdo);
1514
1515 data_sent += length * 4;
1516 }
1517 if (!time_out)
1518 return HPI6000_ERROR_SEND_DATA_TIMEOUT;
1519 return 0;
1520}
1521
1522static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index,
1523 struct hpi_message *phm, struct hpi_response *phr)
1524{
1525 struct dsp_obj *pdo =
1526 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1527 u32 data_got = 0;
1528 u16 ack;
1529 u32 length, address;
1530 u32 *p_data = (u32 *)phm->u.d.u.data.pb_data;
1531
1532 (void)phr; /* this parameter not used! */
1533
1534 /* round dwDataSize down to nearest 4 bytes */
1535 while (data_got < (phm->u.d.u.data.data_size & ~3L)) {
1536 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE);
1537 if (ack & HPI_HIF_ERROR_MASK)
1538 return HPI6000_ERROR_GET_DATA_IDLE_TIMEOUT;
1539
1540 if (hpi6000_send_host_command(pao, dsp_index,
1541 HPI_HIF_GET_DATA))
1542 return HPI6000_ERROR_GET_DATA_CMD;
1543 hpi6000_send_dsp_interrupt(pdo);
1544
1545 ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_GET_DATA);
1546
1547 if (ack & HPI_HIF_ERROR_MASK)
1548 return HPI6000_ERROR_GET_DATA_ACK;
1549
1550 /* get the address and size */
1551 do {
1552 address = hpi_read_word(pdo, HPI_HIF_ADDR(address));
1553 length = hpi_read_word(pdo, HPI_HIF_ADDR(length));
1554 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ));
1555
1556 /* read the data */
1557 {
1558 u32 len = length;
1559 u32 blk_len = 512;
1560 while (len) {
1561 if (len < blk_len)
1562 blk_len = len;
1563 if (hpi6000_dsp_block_read32(pao, dsp_index,
1564 address, p_data, blk_len))
1565 return HPI6000_ERROR_GET_DATA_READ;
1566 address += blk_len * 4;
1567 p_data += blk_len;
1568 len -= blk_len;
1569 }
1570 }
1571
1572 if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE))
1573 return HPI6000_ERROR_GET_DATA_IDLECMD;
1574 hpi6000_send_dsp_interrupt(pdo);
1575
1576 data_got += length * 4;
1577 }
1578 return 0;
1579}
1580
1581static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo)
1582{
1583 iowrite32(0x00030003, pdo->prHPI_control); /* DSPINT */
1584}
1585
1586static short hpi6000_send_host_command(struct hpi_adapter_obj *pao,
1587 u16 dsp_index, u32 host_cmd)
1588{
1589 struct dsp_obj *pdo =
1590 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1591 u32 timeout = TIMEOUT;
1592
1593 /* set command */
1594 do {
1595 hpi_write_word(pdo, HPI_HIF_ADDR(host_cmd), host_cmd);
1596 /* flush the FIFO */
1597 hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd));
1598 } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE) && --timeout);
1599
1600 /* reset the interrupt bit */
1601 iowrite32(0x00040004, pdo->prHPI_control);
1602
1603 if (timeout)
1604 return 0;
1605 else
1606 return 1;
1607}
1608
1609/* if the PCI2040 has recorded an HPI timeout, reset the error and return 1 */
1610static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao,
1611 u16 read_or_write)
1612{
1613 u32 hPI_error;
1614
1615 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
1616
1617 /* read the error bits from the PCI2040 */
1618 hPI_error = ioread32(phw->dw2040_HPICSR + HPI_ERROR_REPORT);
1619 if (hPI_error) {
1620 /* reset the error flag */
1621 iowrite32(0L, phw->dw2040_HPICSR + HPI_ERROR_REPORT);
1622 phw->pCI2040HPI_error_count++;
1623 if (read_or_write == 1)
1624 gw_pci_read_asserts++; /************* inc global */
1625 else
1626 gw_pci_write_asserts++;
1627 return 1;
1628 } else
1629 return 0;
1630}
1631
1632static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index,
1633 u32 ack_value)
1634{
1635 struct dsp_obj *pdo =
1636 &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index];
1637 u32 ack = 0L;
1638 u32 timeout;
1639 u32 hPIC = 0L;
1640
1641 /* wait for host interrupt to signal ack is ready */
1642 timeout = TIMEOUT;
1643 while (--timeout) {
1644 hPIC = ioread32(pdo->prHPI_control);
1645 if (hPIC & 0x04) /* 0x04 = HINT from DSP */
1646 break;
1647 }
1648 if (timeout == 0)
1649 return HPI_HIF_ERROR_MASK;
1650
1651 /* wait for dwAckValue */
1652 timeout = TIMEOUT;
1653 while (--timeout) {
1654 /* read the ack mailbox */
1655 ack = hpi_read_word(pdo, HPI_HIF_ADDR(dsp_ack));
1656 if (ack == ack_value)
1657 break;
1658 if ((ack & HPI_HIF_ERROR_MASK)
1659 && !hpi6000_check_PCI2040_error_flag(pao, H6READ))
1660 break;
1661 /*for (i=0;i<1000;i++) */
1662 /* dwPause=i+1; */
1663 }
1664 if (ack & HPI_HIF_ERROR_MASK)
1665 /* indicates bad read from DSP -
1666 typically 0xffffff is read for some reason */
1667 ack = HPI_HIF_ERROR_MASK;
1668
1669 if (timeout == 0)
1670 ack = HPI_HIF_ERROR_MASK;
1671 return (short)ack;
1672}
1673
1674static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao,
1675 struct hpi_message *phm)
1676{
1677 const u16 dsp_index = 0;
1678 struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv;
1679 struct dsp_obj *pdo = &phw->ado[dsp_index];
1680 u32 timeout;
1681 u32 cache_dirty_flag;
1682 u16 err;
1683
1684 hpios_dsplock_lock(pao);
1685
1686 timeout = TIMEOUT;
1687 do {
1688 cache_dirty_flag =
1689 hpi_read_word((struct dsp_obj *)pdo,
1690 HPI_HIF_ADDR(control_cache_is_dirty));
1691 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout);
1692 if (!timeout) {
1693 err = HPI6000_ERROR_CONTROL_CACHE_PARAMS;
1694 goto unlock;
1695 }
1696
1697 if (cache_dirty_flag) {
1698 /* read the cached controls */
1699 u32 address;
1700 u32 length;
1701
1702 timeout = TIMEOUT;
1703 if (pdo->control_cache_address_on_dsp == 0) {
1704 do {
1705 address =
1706 hpi_read_word((struct dsp_obj *)pdo,
1707 HPI_HIF_ADDR(control_cache_address));
1708
1709 length = hpi_read_word((struct dsp_obj *)pdo,
1710 HPI_HIF_ADDR
1711 (control_cache_size_in_bytes));
1712 } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)
1713 && --timeout);
1714 if (!timeout) {
1715 err = HPI6000_ERROR_CONTROL_CACHE_ADDRLEN;
1716 goto unlock;
1717 }
1718 pdo->control_cache_address_on_dsp = address;
1719 pdo->control_cache_length_on_dsp = length;
1720 } else {
1721 address = pdo->control_cache_address_on_dsp;
1722 length = pdo->control_cache_length_on_dsp;
1723 }
1724
1725 if (hpi6000_dsp_block_read32(pao, dsp_index, address,
1726 (u32 *)&phw->control_cache[0],
1727 length / sizeof(u32))) {
1728 err = HPI6000_ERROR_CONTROL_CACHE_READ;
1729 goto unlock;
1730 }
1731 do {
1732 hpi_write_word((struct dsp_obj *)pdo,
1733 HPI_HIF_ADDR(control_cache_is_dirty), 0);
1734 /* flush the FIFO */
1735 hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd));
1736 } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE)
1737 && --timeout);
1738 if (!timeout) {
1739 err = HPI6000_ERROR_CONTROL_CACHE_FLUSH;
1740 goto unlock;
1741 }
1742
1743 }
1744 err = 0;
1745
1746unlock:
1747 hpios_dsplock_unlock(pao);
1748 return err;
1749}
1750
1751/** Get dsp index for multi DSP adapters only */
1752static u16 get_dsp_index(struct hpi_adapter_obj *pao, struct hpi_message *phm)
1753{
1754 u16 ret = 0;
1755 switch (phm->object) {
1756 case HPI_OBJ_ISTREAM:
1757 if (phm->obj_index < 2)
1758 ret = 1;
1759 break;
1760 case HPI_OBJ_PROFILE:
1761 ret = phm->obj_index;
1762 break;
1763 default:
1764 break;
1765 }
1766 return ret;
1767}
1768
1769/** Complete transaction with DSP
1770
1771Send message, get response, send or get stream data if any.
1772*/
1773static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
1774 struct hpi_response *phr)
1775{
1776 u16 error = 0;
1777 u16 dsp_index = 0;
1778 u16 num_dsp = ((struct hpi_hw_obj *)pao->priv)->num_dsp;
1779 hpios_dsplock_lock(pao);
1780
1781 if (num_dsp < 2)
1782 dsp_index = 0;
1783 else {
1784 dsp_index = get_dsp_index(pao, phm);
1785
1786 /* is this checked on the DSP anyway? */
1787 if ((phm->function == HPI_ISTREAM_GROUP_ADD)
1788 || (phm->function == HPI_OSTREAM_GROUP_ADD)) {
1789 struct hpi_message hm;
1790 u16 add_index;
1791 hm.obj_index = phm->u.d.u.stream.stream_index;
1792 hm.object = phm->u.d.u.stream.object_type;
1793 add_index = get_dsp_index(pao, &hm);
1794 if (add_index != dsp_index) {
1795 phr->error = HPI_ERROR_NO_INTERDSP_GROUPS;
1796 return;
1797 }
1798 }
1799 }
1800 error = hpi6000_message_response_sequence(pao, dsp_index, phm, phr);
1801
1802 /* maybe an error response */
1803 if (error) {
1804 /* something failed in the HPI/DSP interface */
1805 phr->error = error;
1806 /* just the header of the response is valid */
1807 phr->size = sizeof(struct hpi_response_header);
1808 goto err;
1809 }
1810
1811 if (phr->error != 0) /* something failed in the DSP */
1812 goto err;
1813
1814 switch (phm->function) {
1815 case HPI_OSTREAM_WRITE:
1816 case HPI_ISTREAM_ANC_WRITE:
1817 error = hpi6000_send_data(pao, dsp_index, phm, phr);
1818 break;
1819 case HPI_ISTREAM_READ:
1820 case HPI_OSTREAM_ANC_READ:
1821 error = hpi6000_get_data(pao, dsp_index, phm, phr);
1822 break;
1823 case HPI_ADAPTER_GET_ASSERT:
1824 phr->u.a.adapter_index = 0; /* dsp 0 default */
1825 if (num_dsp == 2) {
1826 if (!phr->u.a.adapter_type) {
1827 /* no assert from dsp 0, check dsp 1 */
1828 error = hpi6000_message_response_sequence(pao,
1829 1, phm, phr);
1830 phr->u.a.adapter_index = 1;
1831 }
1832 }
1833 }
1834
1835 if (error)
1836 phr->error = error;
1837
1838err:
1839 hpios_dsplock_unlock(pao);
1840 return;
1841}
Clone of davem's net-next-2.6 tree