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TOMOYO Linux Cross Reference
Linux/sound/pci/cs46xx/dsp_spos.c

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  */
  4 
  5 /*
  6  * 2002-07 Benny Sjostrand benny@hostmobility.com
  7  */
  8 
  9 
 10 #include <linux/io.h>
 11 #include <linux/delay.h>
 12 #include <linux/pm.h>
 13 #include <linux/init.h>
 14 #include <linux/slab.h>
 15 #include <linux/vmalloc.h>
 16 #include <linux/mutex.h>
 17 
 18 #include <sound/core.h>
 19 #include <sound/control.h>
 20 #include <sound/info.h>
 21 #include <sound/asoundef.h>
 22 #include "cs46xx.h"
 23 
 24 #include "cs46xx_lib.h"
 25 #include "dsp_spos.h"
 26 
 27 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
 28                                   struct dsp_scb_descriptor * fg_entry);
 29 
 30 static const enum wide_opcode wide_opcodes[] = {
 31         WIDE_FOR_BEGIN_LOOP,
 32         WIDE_FOR_BEGIN_LOOP2,
 33         WIDE_COND_GOTO_ADDR,
 34         WIDE_COND_GOTO_CALL,
 35         WIDE_TBEQ_COND_GOTO_ADDR,
 36         WIDE_TBEQ_COND_CALL_ADDR,
 37         WIDE_TBEQ_NCOND_GOTO_ADDR,
 38         WIDE_TBEQ_NCOND_CALL_ADDR,
 39         WIDE_TBEQ_COND_GOTO1_ADDR,
 40         WIDE_TBEQ_COND_CALL1_ADDR,
 41         WIDE_TBEQ_NCOND_GOTOI_ADDR,
 42         WIDE_TBEQ_NCOND_CALL1_ADDR
 43 };
 44 
 45 static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
 46                                        u32 overlay_begin_address)
 47 {
 48         unsigned int i = 0, j, nreallocated = 0;
 49         u32 hival,loval,address;
 50         u32 mop_operands,mop_type,wide_op;
 51         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 52 
 53         if (snd_BUG_ON(size %2))
 54                 return -EINVAL;
 55   
 56         while (i < size) {
 57                 loval = data[i++];
 58                 hival = data[i++];
 59 
 60                 if (ins->code.offset > 0) {
 61                         mop_operands = (hival >> 6) & 0x03fff;
 62                         mop_type = mop_operands >> 10;
 63       
 64                         /* check for wide type instruction */
 65                         if (mop_type == 0 &&
 66                             (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
 67                             (mop_operands & WIDE_INSTR_MASK) != 0) {
 68                                 wide_op = loval & 0x7f;
 69                                 for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
 70                                         if (wide_opcodes[j] == wide_op) {
 71                                                 /* need to reallocate instruction */
 72                                                 address  = (hival & 0x00FFF) << 5;
 73                                                 address |=  loval >> 15;
 74             
 75                                                 dev_dbg(chip->card->dev,
 76                                                         "handle_wideop[1]: %05x:%05x addr %04x\n",
 77                                                         hival, loval, address);
 78             
 79                                                 if ( !(address & 0x8000) ) {
 80                                                         address += (ins->code.offset / 2) - overlay_begin_address;
 81                                                 } else {
 82                                                         dev_dbg(chip->card->dev,
 83                                                                 "handle_wideop[1]: ROM symbol not reallocated\n");
 84                                                 }
 85             
 86                                                 hival &= 0xFF000;
 87                                                 loval &= 0x07FFF;
 88             
 89                                                 hival |= ( (address >> 5)  & 0x00FFF);
 90                                                 loval |= ( (address << 15) & 0xF8000);
 91             
 92                                                 address  = (hival & 0x00FFF) << 5;
 93                                                 address |=  loval >> 15;
 94             
 95                                                 dev_dbg(chip->card->dev,
 96                                                         "handle_wideop:[2] %05x:%05x addr %04x\n",
 97                                                         hival, loval, address);
 98                                                 nreallocated++;
 99                                         } /* wide_opcodes[j] == wide_op */
100                                 } /* for */
101                         } /* mod_type == 0 ... */
102                 } /* ins->code.offset > 0 */
103 
104                 ins->code.data[ins->code.size++] = loval;
105                 ins->code.data[ins->code.size++] = hival;
106         }
107 
108         dev_dbg(chip->card->dev,
109                 "dsp_spos: %d instructions reallocated\n", nreallocated);
110         return nreallocated;
111 }
112 
113 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
114 {
115         int i;
116         for (i = 0;i < module->nsegments; ++i) {
117                 if (module->segments[i].segment_type == seg_type) {
118                         return (module->segments + i);
119                 }
120         }
121 
122         return NULL;
123 };
124 
125 static int find_free_symbol_index (struct dsp_spos_instance * ins)
126 {
127         int index = ins->symbol_table.nsymbols,i;
128 
129         for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
130                 if (ins->symbol_table.symbols[i].deleted) {
131                         index = i;
132                         break;
133                 }
134         }
135 
136         return index;
137 }
138 
139 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
140 {
141         int i;
142         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
143 
144         if (module->symbol_table.nsymbols > 0) {
145                 if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
146                     module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
147                         module->overlay_begin_address = module->symbol_table.symbols[0].address;
148                 }
149         }
150 
151         for (i = 0;i < module->symbol_table.nsymbols; ++i) {
152                 if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
153                         dev_err(chip->card->dev,
154                                 "dsp_spos: symbol table is full\n");
155                         return -ENOMEM;
156                 }
157 
158 
159                 if (cs46xx_dsp_lookup_symbol(chip,
160                                              module->symbol_table.symbols[i].symbol_name,
161                                              module->symbol_table.symbols[i].symbol_type) == NULL) {
162 
163                         ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
164                         ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
165                         ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
166                         ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
167 
168                         if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index) 
169                                 ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
170 
171                         ins->symbol_table.nsymbols++;
172                 } else {
173 #if 0
174                         dev_dbg(chip->card->dev,
175                                 "dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
176                                 module->symbol_table.symbols[i].symbol_name); */
177 #endif
178                 }
179         }
180 
181         return 0;
182 }
183 
184 static struct dsp_symbol_entry *
185 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
186 {
187         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
188         struct dsp_symbol_entry * symbol = NULL;
189         int index;
190 
191         if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
192                 dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
193                 return NULL;
194         }
195   
196         if (cs46xx_dsp_lookup_symbol(chip,
197                                      symbol_name,
198                                      type) != NULL) {
199                 dev_err(chip->card->dev,
200                         "dsp_spos: symbol <%s> duplicated\n", symbol_name);
201                 return NULL;
202         }
203 
204         index = find_free_symbol_index (ins);
205 
206         strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
207         ins->symbol_table.symbols[index].address = address;
208         ins->symbol_table.symbols[index].symbol_type = type;
209         ins->symbol_table.symbols[index].module = NULL;
210         ins->symbol_table.symbols[index].deleted = 0;
211         symbol = (ins->symbol_table.symbols + index);
212 
213         if (index > ins->symbol_table.highest_frag_index) 
214                 ins->symbol_table.highest_frag_index = index;
215 
216         if (index == ins->symbol_table.nsymbols)
217                 ins->symbol_table.nsymbols++; /* no frag. in list */
218 
219         return symbol;
220 }
221 
222 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
223 {
224         struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
225 
226         if (ins == NULL)
227                 return NULL;
228 
229         /* better to use vmalloc for this big table */
230         ins->symbol_table.symbols =
231                 vmalloc(array_size(DSP_MAX_SYMBOLS,
232                                    sizeof(struct dsp_symbol_entry)));
233         ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
234         ins->modules = kmalloc_array(DSP_MAX_MODULES,
235                                      sizeof(struct dsp_module_desc),
236                                      GFP_KERNEL);
237         if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
238                 cs46xx_dsp_spos_destroy(chip);
239                 goto error;
240         }
241         ins->symbol_table.nsymbols = 0;
242         ins->symbol_table.highest_frag_index = 0;
243         ins->code.offset = 0;
244         ins->code.size = 0;
245         ins->nscb = 0;
246         ins->ntask = 0;
247         ins->nmodules = 0;
248 
249         /* default SPDIF input sample rate
250            to 48000 khz */
251         ins->spdif_in_sample_rate = 48000;
252 
253         /* maximize volume */
254         ins->dac_volume_right = 0x8000;
255         ins->dac_volume_left = 0x8000;
256         ins->spdif_input_volume_right = 0x8000;
257         ins->spdif_input_volume_left = 0x8000;
258 
259         /* set left and right validity bits and
260            default channel status */
261         ins->spdif_csuv_default =
262                 ins->spdif_csuv_stream =
263          /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
264          /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
265          /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
266          /* left and right validity bits */ (1 << 13) | (1 << 12);
267 
268         return ins;
269 
270 error:
271         kfree(ins->modules);
272         kfree(ins->code.data);
273         vfree(ins->symbol_table.symbols);
274         kfree(ins);
275         return NULL;
276 }
277 
278 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
279 {
280         int i;
281         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
282 
283         if (snd_BUG_ON(!ins))
284                 return;
285 
286         mutex_lock(&chip->spos_mutex);
287         for (i = 0; i < ins->nscb; ++i) {
288                 if (ins->scbs[i].deleted) continue;
289 
290                 cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
291 #ifdef CONFIG_PM_SLEEP
292                 kfree(ins->scbs[i].data);
293 #endif
294         }
295 
296         kfree(ins->code.data);
297         vfree(ins->symbol_table.symbols);
298         kfree(ins->modules);
299         kfree(ins);
300         mutex_unlock(&chip->spos_mutex);
301 }
302 
303 static int dsp_load_parameter(struct snd_cs46xx *chip,
304                               struct dsp_segment_desc *parameter)
305 {
306         u32 doffset, dsize;
307 
308         if (!parameter) {
309                 dev_dbg(chip->card->dev,
310                         "dsp_spos: module got no parameter segment\n");
311                 return 0;
312         }
313 
314         doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
315         dsize   = parameter->size * 4;
316 
317         dev_dbg(chip->card->dev,
318                 "dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
319                     doffset,doffset + dsize);
320         if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
321                 dev_err(chip->card->dev,
322                         "dsp_spos: failed to download parameter data to DSP\n");
323                 return -EINVAL;
324         }
325         return 0;
326 }
327 
328 static int dsp_load_sample(struct snd_cs46xx *chip,
329                            struct dsp_segment_desc *sample)
330 {
331         u32 doffset, dsize;
332 
333         if (!sample) {
334                 dev_dbg(chip->card->dev,
335                         "dsp_spos: module got no sample segment\n");
336                 return 0;
337         }
338 
339         doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
340         dsize   =  sample->size * 4;
341 
342         dev_dbg(chip->card->dev,
343                 "dsp_spos: downloading sample data to chip (%08x-%08x)\n",
344                     doffset,doffset + dsize);
345 
346         if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
347                 dev_err(chip->card->dev,
348                         "dsp_spos: failed to sample data to DSP\n");
349                 return -EINVAL;
350         }
351         return 0;
352 }
353 
354 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
355 {
356         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
357         struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
358         u32 doffset, dsize;
359         int err;
360 
361         if (ins->nmodules == DSP_MAX_MODULES - 1) {
362                 dev_err(chip->card->dev,
363                         "dsp_spos: to many modules loaded into DSP\n");
364                 return -ENOMEM;
365         }
366 
367         dev_dbg(chip->card->dev,
368                 "dsp_spos: loading module %s into DSP\n", module->module_name);
369   
370         if (ins->nmodules == 0) {
371                 dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
372                 snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
373         }
374   
375         err = dsp_load_parameter(chip, get_segment_desc(module,
376                                                         SEGTYPE_SP_PARAMETER));
377         if (err < 0)
378                 return err;
379 
380         if (ins->nmodules == 0) {
381                 dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
382                 snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
383         }
384 
385         err = dsp_load_sample(chip, get_segment_desc(module,
386                                                      SEGTYPE_SP_SAMPLE));
387         if (err < 0)
388                 return err;
389 
390         if (ins->nmodules == 0) {
391                 dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
392                 snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
393         }
394 
395         if (code == NULL) {
396                 dev_dbg(chip->card->dev,
397                         "dsp_spos: module got no code segment\n");
398         } else {
399                 if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
400                         dev_err(chip->card->dev,
401                                 "dsp_spos: no space available in DSP\n");
402                         return -ENOMEM;
403                 }
404 
405                 module->load_address = ins->code.offset;
406                 module->overlay_begin_address = 0x000;
407 
408                 /* if module has a code segment it must have
409                    symbol table */
410                 if (snd_BUG_ON(!module->symbol_table.symbols))
411                         return -ENOMEM;
412                 if (add_symbols(chip,module)) {
413                         dev_err(chip->card->dev,
414                                 "dsp_spos: failed to load symbol table\n");
415                         return -ENOMEM;
416                 }
417     
418                 doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
419                 dsize   = code->size * 4;
420                 dev_dbg(chip->card->dev,
421                         "dsp_spos: downloading code to chip (%08x-%08x)\n",
422                             doffset,doffset + dsize);   
423 
424                 module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
425 
426                 if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
427                         dev_err(chip->card->dev,
428                                 "dsp_spos: failed to download code to DSP\n");
429                         return -EINVAL;
430                 }
431 
432                 ins->code.offset += code->size;
433         }
434 
435         /* NOTE: module segments and symbol table must be
436            statically allocated. Case that module data is
437            not generated by the ospparser */
438         ins->modules[ins->nmodules] = *module;
439         ins->nmodules++;
440 
441         return 0;
442 }
443 
444 struct dsp_symbol_entry *
445 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
446 {
447         int i;
448         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
449 
450         for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
451 
452                 if (ins->symbol_table.symbols[i].deleted)
453                         continue;
454 
455                 if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
456                     ins->symbol_table.symbols[i].symbol_type == symbol_type) {
457                         return (ins->symbol_table.symbols + i);
458                 }
459         }
460 
461 #if 0
462         dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
463                 symbol_name,symbol_type);
464 #endif
465 
466         return NULL;
467 }
468 
469 
470 #ifdef CONFIG_SND_PROC_FS
471 static struct dsp_symbol_entry *
472 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
473 {
474         int i;
475         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
476 
477         for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
478 
479                 if (ins->symbol_table.symbols[i].deleted)
480                         continue;
481 
482                 if (ins->symbol_table.symbols[i].address == address &&
483                     ins->symbol_table.symbols[i].symbol_type == symbol_type) {
484                         return (ins->symbol_table.symbols + i);
485                 }
486         }
487 
488 
489         return NULL;
490 }
491 
492 
493 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
494                                                struct snd_info_buffer *buffer)
495 {
496         struct snd_cs46xx *chip = entry->private_data;
497         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
498         int i;
499 
500         snd_iprintf(buffer, "SYMBOLS:\n");
501         for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
502                 char *module_str = "system";
503 
504                 if (ins->symbol_table.symbols[i].deleted)
505                         continue;
506 
507                 if (ins->symbol_table.symbols[i].module != NULL) {
508                         module_str = ins->symbol_table.symbols[i].module->module_name;
509                 }
510 
511     
512                 snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
513                             ins->symbol_table.symbols[i].address,
514                             ins->symbol_table.symbols[i].symbol_type,
515                             ins->symbol_table.symbols[i].symbol_name,
516                             module_str);    
517         }
518 }
519 
520 
521 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
522                                           struct snd_info_buffer *buffer)
523 {
524         struct snd_cs46xx *chip = entry->private_data;
525         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
526         int i,j;
527 
528         mutex_lock(&chip->spos_mutex);
529         snd_iprintf(buffer, "MODULES:\n");
530         for ( i = 0; i < ins->nmodules; ++i ) {
531                 snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
532                 snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
533                 snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
534 
535                 for (j = 0; j < ins->modules[i].nsegments; ++ j) {
536                         struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
537                         snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
538                                     desc->segment_type,desc->offset, desc->size);
539                 }
540         }
541         mutex_unlock(&chip->spos_mutex);
542 }
543 
544 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
545                                             struct snd_info_buffer *buffer)
546 {
547         struct snd_cs46xx *chip = entry->private_data;
548         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
549         int i, j, col;
550         void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
551 
552         mutex_lock(&chip->spos_mutex);
553         snd_iprintf(buffer, "TASK TREES:\n");
554         for ( i = 0; i < ins->ntask; ++i) {
555                 snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
556 
557                 for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
558                         u32 val;
559                         if (col == 4) {
560                                 snd_iprintf(buffer,"\n");
561                                 col = 0;
562                         }
563                         val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
564                         snd_iprintf(buffer,"%08x ",val);
565                 }
566         }
567 
568         snd_iprintf(buffer,"\n");  
569         mutex_unlock(&chip->spos_mutex);
570 }
571 
572 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
573                                       struct snd_info_buffer *buffer)
574 {
575         struct snd_cs46xx *chip = entry->private_data;
576         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
577         int i;
578 
579         mutex_lock(&chip->spos_mutex);
580         snd_iprintf(buffer, "SCB's:\n");
581         for ( i = 0; i < ins->nscb; ++i) {
582                 if (ins->scbs[i].deleted)
583                         continue;
584                 snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
585 
586                 if (ins->scbs[i].parent_scb_ptr != NULL) {
587                         snd_iprintf(buffer,"parent [%s:%04x] ", 
588                                     ins->scbs[i].parent_scb_ptr->scb_name,
589                                     ins->scbs[i].parent_scb_ptr->address);
590                 } else snd_iprintf(buffer,"parent [none] ");
591 
592                 snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
593                             ins->scbs[i].sub_list_ptr->scb_name,
594                             ins->scbs[i].sub_list_ptr->address,
595                             ins->scbs[i].next_scb_ptr->scb_name,
596                             ins->scbs[i].next_scb_ptr->address,
597                             ins->scbs[i].task_entry->symbol_name,
598                             ins->scbs[i].task_entry->address);
599         }
600 
601         snd_iprintf(buffer,"\n");
602         mutex_unlock(&chip->spos_mutex);
603 }
604 
605 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
606                                                  struct snd_info_buffer *buffer)
607 {
608         struct snd_cs46xx *chip = entry->private_data;
609         /*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
610         unsigned int i, col = 0;
611         void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
612         struct dsp_symbol_entry * symbol; 
613 
614         for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
615                 if (col == 4) {
616                         snd_iprintf(buffer,"\n");
617                         col = 0;
618                 }
619 
620                 symbol = cs46xx_dsp_lookup_symbol_addr(chip, i / sizeof(u32), SYMBOL_PARAMETER);
621                 if (symbol) {
622                         col = 0;
623                         snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
624                 }
625 
626                 if (col == 0) {
627                         snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
628                 }
629 
630                 snd_iprintf(buffer,"%08X ",readl(dst + i));
631         }
632 }
633 
634 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
635                                               struct snd_info_buffer *buffer)
636 {
637         struct snd_cs46xx *chip = entry->private_data;
638         int i,col = 0;
639         void __iomem *dst = chip->region.idx[2].remap_addr;
640 
641         snd_iprintf(buffer,"PCMREADER:\n");
642         for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
643                 if (col == 4) {
644                         snd_iprintf(buffer,"\n");
645                         col = 0;
646                 }
647 
648                 if (col == 0) {
649                         snd_iprintf(buffer, "%04X ",i);
650                 }
651 
652                 snd_iprintf(buffer,"%08X ",readl(dst + i));
653         }
654 
655         snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
656 
657         col = 0;
658         for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
659                 if (col == 4) {
660                         snd_iprintf(buffer,"\n");
661                         col = 0;
662                 }
663 
664                 if (col == 0) {
665                         snd_iprintf(buffer, "%04X ",i);
666                 }
667 
668                 snd_iprintf(buffer,"%08X ",readl(dst + i));
669         }
670 
671         snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
672         col = 0;
673         for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
674                 if (col == 4) {
675                         snd_iprintf(buffer,"\n");
676                         col = 0;
677                 }
678                 
679                 if (col == 0) {
680                         snd_iprintf(buffer, "%04X ",i);
681                 }
682 
683                 snd_iprintf(buffer,"%08X ",readl(dst + i));
684         }
685 
686 
687         snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
688         col = 0;
689         for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
690                 if (col == 4) {
691                         snd_iprintf(buffer,"\n");
692                         col = 0;
693                 }
694 
695                 if (col == 0) {
696                         snd_iprintf(buffer, "%04X ",i);
697                 }
698 
699                 snd_iprintf(buffer,"%08X ",readl(dst + i));
700         }
701 
702         snd_iprintf(buffer,"\n...\n");
703         col = 0;
704 
705         for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
706                 if (col == 4) {
707                         snd_iprintf(buffer,"\n");
708                         col = 0;
709                 }
710 
711                 if (col == 0) {
712                         snd_iprintf(buffer, "%04X ",i);
713                 }
714 
715                 snd_iprintf(buffer,"%08X ",readl(dst + i));
716         }
717 
718 
719         snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
720         col = 0;
721         for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
722                 if (col == 4) {
723                         snd_iprintf(buffer,"\n");
724                         col = 0;
725                 }
726 
727                 if (col == 0) {
728                         snd_iprintf(buffer, "%04X ",i);
729                 }
730 
731                 snd_iprintf(buffer,"%08X ",readl(dst + i));
732         }
733 
734         snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
735         col = 0;
736         for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
737                 if (col == 4) {
738                         snd_iprintf(buffer,"\n");
739                         col = 0;
740                 }
741 
742                 if (col == 0) {
743                         snd_iprintf(buffer, "%04X ",i);
744                 }
745 
746                 snd_iprintf(buffer,"%08X ",readl(dst + i));
747         }
748 #if 0
749         snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
750         col = 0;
751         for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
752                 if (col == 4) {
753                         snd_iprintf(buffer,"\n");
754                         col = 0;
755                 }
756 
757                 if (col == 0) {
758                         snd_iprintf(buffer, "%04X ",i);
759                 }
760 
761                 snd_iprintf(buffer,"%08X ",readl(dst + i));
762         }
763 #endif
764 
765         snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
766         col = 0;
767         for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
768                 if (col == 4) {
769                         snd_iprintf(buffer,"\n");
770                         col = 0;
771                 }
772 
773                 if (col == 0) {
774                         snd_iprintf(buffer, "%04X ",i);
775                 }
776                 
777                 snd_iprintf(buffer,"%08X ",readl(dst + i));
778         }
779         snd_iprintf(buffer,"\n");
780 }
781 
782 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
783 {
784         struct snd_info_entry *entry;
785         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
786         int i;
787 
788         ins->snd_card = card;
789 
790         entry = snd_info_create_card_entry(card, "dsp", card->proc_root);
791         if (entry)
792                 entry->mode = S_IFDIR | 0555;
793         ins->proc_dsp_dir = entry;
794 
795         if (!ins->proc_dsp_dir)
796                 return -ENOMEM;
797 
798         entry = snd_info_create_card_entry(card, "spos_symbols",
799                                            ins->proc_dsp_dir);
800         if (entry)
801                 snd_info_set_text_ops(entry, chip,
802                                       cs46xx_dsp_proc_symbol_table_read);
803     
804         entry = snd_info_create_card_entry(card, "spos_modules",
805                                            ins->proc_dsp_dir);
806         if (entry)
807                 snd_info_set_text_ops(entry, chip,
808                                       cs46xx_dsp_proc_modules_read);
809 
810         entry = snd_info_create_card_entry(card, "parameter",
811                                            ins->proc_dsp_dir);
812         if (entry)
813                 snd_info_set_text_ops(entry, chip,
814                                       cs46xx_dsp_proc_parameter_dump_read);
815 
816         entry = snd_info_create_card_entry(card, "sample",
817                                            ins->proc_dsp_dir);
818         if (entry)
819                 snd_info_set_text_ops(entry, chip,
820                                       cs46xx_dsp_proc_sample_dump_read);
821 
822         entry = snd_info_create_card_entry(card, "task_tree",
823                                            ins->proc_dsp_dir);
824         if (entry)
825                 snd_info_set_text_ops(entry, chip,
826                                       cs46xx_dsp_proc_task_tree_read);
827 
828         entry = snd_info_create_card_entry(card, "scb_info",
829                                            ins->proc_dsp_dir);
830         if (entry)
831                 snd_info_set_text_ops(entry, chip,
832                                       cs46xx_dsp_proc_scb_read);
833 
834         mutex_lock(&chip->spos_mutex);
835         /* register/update SCB's entries on proc */
836         for (i = 0; i < ins->nscb; ++i) {
837                 if (ins->scbs[i].deleted) continue;
838 
839                 cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
840         }
841         mutex_unlock(&chip->spos_mutex);
842 
843         return 0;
844 }
845 
846 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
847 {
848         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
849         int i;
850 
851         if (!ins)
852                 return 0;
853 
854         mutex_lock(&chip->spos_mutex);
855         for (i = 0; i < ins->nscb; ++i) {
856                 if (ins->scbs[i].deleted) continue;
857                 cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
858         }
859         mutex_unlock(&chip->spos_mutex);
860 
861         snd_info_free_entry(ins->proc_dsp_dir);
862         ins->proc_dsp_dir = NULL;
863 
864         return 0;
865 }
866 #endif /* CONFIG_SND_PROC_FS */
867 
868 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
869                                    u32  dest, int size)
870 {
871         void __iomem *spdst = chip->region.idx[1].remap_addr + 
872                 DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
873         int i;
874 
875         for (i = 0; i < size; ++i) {
876                 dev_dbg(chip->card->dev, "addr %p, val %08x\n",
877                         spdst, task_data[i]);
878                 writel(task_data[i],spdst);
879                 spdst += sizeof(u32);
880         }
881 }
882 
883 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
884 {
885         void __iomem *spdst = chip->region.idx[1].remap_addr + 
886                 DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
887         int i;
888 
889         for (i = 0; i < 0x10; ++i) {
890                 dev_dbg(chip->card->dev, "addr %p, val %08x\n",
891                         spdst, scb_data[i]);
892                 writel(scb_data[i],spdst);
893                 spdst += sizeof(u32);
894         }
895 }
896 
897 static int find_free_scb_index (struct dsp_spos_instance * ins)
898 {
899         int index = ins->nscb, i;
900 
901         for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
902                 if (ins->scbs[i].deleted) {
903                         index = i;
904                         break;
905                 }
906         }
907 
908         return index;
909 }
910 
911 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
912 {
913         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
914         struct dsp_scb_descriptor * desc = NULL;
915         int index;
916 
917         if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
918                 dev_err(chip->card->dev,
919                         "dsp_spos: got no place for other SCB\n");
920                 return NULL;
921         }
922 
923         index = find_free_scb_index (ins);
924 
925         memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
926         strcpy(ins->scbs[index].scb_name, name);
927         ins->scbs[index].address = dest;
928         ins->scbs[index].index = index;
929         ins->scbs[index].ref_count = 1;
930 
931         desc = (ins->scbs + index);
932         ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
933 
934         if (index > ins->scb_highest_frag_index)
935                 ins->scb_highest_frag_index = index;
936 
937         if (index == ins->nscb)
938                 ins->nscb++;
939 
940         return desc;
941 }
942 
943 static struct dsp_task_descriptor *
944 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
945 {
946         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
947         struct dsp_task_descriptor * desc = NULL;
948 
949         if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
950                 dev_err(chip->card->dev,
951                         "dsp_spos: got no place for other TASK\n");
952                 return NULL;
953         }
954 
955         if (name)
956                 strcpy(ins->tasks[ins->ntask].task_name, name);
957         else
958                 strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
959         ins->tasks[ins->ntask].address = dest;
960         ins->tasks[ins->ntask].size = size;
961 
962         /* quick find in list */
963         ins->tasks[ins->ntask].index = ins->ntask;
964         desc = (ins->tasks + ins->ntask);
965         ins->ntask++;
966 
967         if (name)
968                 add_symbol (chip,name,dest,SYMBOL_PARAMETER);
969         return desc;
970 }
971 
972 #define SCB_BYTES       (0x10 * 4)
973 
974 struct dsp_scb_descriptor *
975 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
976 {
977         struct dsp_scb_descriptor * desc;
978 
979 #ifdef CONFIG_PM_SLEEP
980         /* copy the data for resume */
981         scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
982         if (!scb_data)
983                 return NULL;
984 #endif
985 
986         desc = _map_scb (chip,name,dest);
987         if (desc) {
988                 desc->data = scb_data;
989                 _dsp_create_scb(chip,scb_data,dest);
990         } else {
991                 dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
992 #ifdef CONFIG_PM_SLEEP
993                 kfree(scb_data);
994 #endif
995         }
996 
997         return desc;
998 }
999 
1000 
1001 static struct dsp_task_descriptor *
1002 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1003                              u32 dest, int size)
1004 {
1005         struct dsp_task_descriptor * desc;
1006 
1007         desc = _map_task_tree (chip,name,dest,size);
1008         if (desc) {
1009                 desc->data = task_data;
1010                 _dsp_create_task_tree(chip,task_data,dest,size);
1011         } else {
1012                 dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1013         }
1014 
1015         return desc;
1016 }
1017 
1018 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1019 {
1020         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1021         struct dsp_symbol_entry * fg_task_tree_header_code;
1022         struct dsp_symbol_entry * task_tree_header_code;
1023         struct dsp_symbol_entry * task_tree_thread;
1024         struct dsp_symbol_entry * null_algorithm;
1025         struct dsp_symbol_entry * magic_snoop_task;
1026 
1027         struct dsp_scb_descriptor * timing_master_scb;
1028         struct dsp_scb_descriptor * codec_out_scb;
1029         struct dsp_scb_descriptor * codec_in_scb;
1030         struct dsp_scb_descriptor * src_task_scb;
1031         struct dsp_scb_descriptor * master_mix_scb;
1032         struct dsp_scb_descriptor * rear_mix_scb;
1033         struct dsp_scb_descriptor * record_mix_scb;
1034         struct dsp_scb_descriptor * write_back_scb;
1035         struct dsp_scb_descriptor * vari_decimate_scb;
1036         struct dsp_scb_descriptor * rear_codec_out_scb;
1037         struct dsp_scb_descriptor * clfe_codec_out_scb;
1038         struct dsp_scb_descriptor * magic_snoop_scb;
1039         
1040         int fifo_addr, fifo_span, valid_slots;
1041 
1042         static const struct dsp_spos_control_block sposcb = {
1043                 /* 0 */ HFG_TREE_SCB,HFG_STACK,
1044                 /* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1045                 /* 2 */ DSP_SPOS_DC,0,
1046                 /* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1047                 /* 4 */ 0,0,
1048                 /* 5 */ DSP_SPOS_UU,0,
1049                 /* 6 */ FG_TASK_HEADER_ADDR,0,
1050                 /* 7 */ 0,0,
1051                 /* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1052                 /* 9 */ 0,
1053                 /* A */ 0,HFG_FIRST_EXECUTE_MODE,
1054                 /* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1055                 /* C */ DSP_SPOS_DC_DC,
1056                 /* D */ DSP_SPOS_DC_DC,
1057                 /* E */ DSP_SPOS_DC_DC,
1058                 /* F */ DSP_SPOS_DC_DC
1059         };
1060 
1061         cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1062 
1063         null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1064         if (null_algorithm == NULL) {
1065                 dev_err(chip->card->dev,
1066                         "dsp_spos: symbol NULLALGORITHM not found\n");
1067                 return -EIO;
1068         }
1069 
1070         fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);  
1071         if (fg_task_tree_header_code == NULL) {
1072                 dev_err(chip->card->dev,
1073                         "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1074                 return -EIO;
1075         }
1076 
1077         task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);  
1078         if (task_tree_header_code == NULL) {
1079                 dev_err(chip->card->dev,
1080                         "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1081                 return -EIO;
1082         }
1083   
1084         task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1085         if (task_tree_thread == NULL) {
1086                 dev_err(chip->card->dev,
1087                         "dsp_spos: symbol TASKTREETHREAD not found\n");
1088                 return -EIO;
1089         }
1090 
1091         magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1092         if (magic_snoop_task == NULL) {
1093                 dev_err(chip->card->dev,
1094                         "dsp_spos: symbol MAGICSNOOPTASK not found\n");
1095                 return -EIO;
1096         }
1097   
1098         {
1099                 /* create the null SCB */
1100                 static struct dsp_generic_scb null_scb = {
1101                         { 0, 0, 0, 0 },
1102                         { 0, 0, 0, 0, 0 },
1103                         NULL_SCB_ADDR, NULL_SCB_ADDR,
1104                         0, 0, 0, 0, 0,
1105                         {
1106                                 0,0,
1107                                 0,0,
1108                         }
1109                 };
1110 
1111                 null_scb.entry_point = null_algorithm->address;
1112                 ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1113                 ins->the_null_scb->task_entry = null_algorithm;
1114                 ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1115                 ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1116                 ins->the_null_scb->parent_scb_ptr = NULL;
1117                 cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1118         }
1119 
1120         {
1121                 /* setup foreground task tree */
1122                 static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1123                         { FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1124                           DSP_SPOS_DC_DC,
1125                           DSP_SPOS_DC_DC,
1126                           0x0000,DSP_SPOS_DC,
1127                           DSP_SPOS_DC, DSP_SPOS_DC,
1128                           DSP_SPOS_DC_DC,
1129                           DSP_SPOS_DC_DC,
1130                           DSP_SPOS_DC_DC,
1131                           DSP_SPOS_DC,DSP_SPOS_DC },
1132     
1133                         {
1134                                 BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR, 
1135                                 0,
1136                                 FG_TASK_HEADER_ADDR + TCBData,                  
1137                         },
1138 
1139                         {    
1140                                 4,0,
1141                                 1,0,
1142                                 2,SPOSCB_ADDR + HFGFlags,
1143                                 0,0,
1144                                 FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1145                         },
1146 
1147                         {
1148                                 DSP_SPOS_DC,0,
1149                                 DSP_SPOS_DC,DSP_SPOS_DC,
1150                                 DSP_SPOS_DC,DSP_SPOS_DC,
1151                                 DSP_SPOS_DC,DSP_SPOS_DC,
1152                                 DSP_SPOS_DC,DSP_SPOS_DC,
1153                                 DSP_SPOS_DCDC,
1154                                 DSP_SPOS_UU,1,
1155                                 DSP_SPOS_DCDC,
1156                                 DSP_SPOS_DCDC,
1157                                 DSP_SPOS_DCDC,
1158                                 DSP_SPOS_DCDC,
1159                                 DSP_SPOS_DCDC,
1160                                 DSP_SPOS_DCDC,
1161                                 DSP_SPOS_DCDC,
1162                                 DSP_SPOS_DCDC,
1163                                 DSP_SPOS_DCDC,
1164                                 DSP_SPOS_DCDC,
1165                                 DSP_SPOS_DCDC,
1166                                 DSP_SPOS_DCDC,
1167                                 DSP_SPOS_DCDC,
1168                                 DSP_SPOS_DCDC,
1169                                 DSP_SPOS_DCDC,
1170                                 DSP_SPOS_DCDC,
1171                                 DSP_SPOS_DCDC,
1172                                 DSP_SPOS_DCDC,
1173                                 DSP_SPOS_DCDC,
1174                                 DSP_SPOS_DCDC,
1175                                 DSP_SPOS_DCDC,
1176                                 DSP_SPOS_DCDC,
1177                                 DSP_SPOS_DCDC,
1178                                 DSP_SPOS_DCDC,
1179                                 DSP_SPOS_DCDC,
1180                                 DSP_SPOS_DCDC,
1181                                 DSP_SPOS_DCDC,
1182                                 DSP_SPOS_DCDC 
1183                         },                                               
1184                         { 
1185                                 FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1186                                 0,0
1187                         }
1188                 };
1189 
1190                 fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1191                 fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1192                 cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1193         }
1194 
1195 
1196         {
1197                 /* setup foreground task tree */
1198                 static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1199                         { DSP_SPOS_DC_DC,
1200                           DSP_SPOS_DC_DC,
1201                           DSP_SPOS_DC_DC,
1202                           DSP_SPOS_DC, DSP_SPOS_DC,
1203                           DSP_SPOS_DC, DSP_SPOS_DC,
1204                           DSP_SPOS_DC_DC,
1205                           DSP_SPOS_DC_DC,
1206                           DSP_SPOS_DC_DC,
1207                           DSP_SPOS_DC,DSP_SPOS_DC },
1208     
1209                         {
1210                                 NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1211                                 0,
1212                                 BG_TREE_SCB_ADDR + TCBData,
1213                         },
1214 
1215                         {    
1216                                 9999,0,
1217                                 0,1,
1218                                 0,SPOSCB_ADDR + HFGFlags,
1219                                 0,0,
1220                                 BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1221                         },
1222 
1223                         {
1224                                 DSP_SPOS_DC,0,
1225                                 DSP_SPOS_DC,DSP_SPOS_DC,
1226                                 DSP_SPOS_DC,DSP_SPOS_DC,
1227                                 DSP_SPOS_DC,DSP_SPOS_DC,
1228                                 DSP_SPOS_DC,DSP_SPOS_DC,
1229                                 DSP_SPOS_DCDC,
1230                                 DSP_SPOS_UU,1,
1231                                 DSP_SPOS_DCDC,
1232                                 DSP_SPOS_DCDC,
1233                                 DSP_SPOS_DCDC,
1234                                 DSP_SPOS_DCDC,
1235                                 DSP_SPOS_DCDC,
1236                                 DSP_SPOS_DCDC,
1237                                 DSP_SPOS_DCDC,
1238                                 DSP_SPOS_DCDC,
1239                                 DSP_SPOS_DCDC,
1240                                 DSP_SPOS_DCDC,
1241                                 DSP_SPOS_DCDC,
1242                                 DSP_SPOS_DCDC,
1243                                 DSP_SPOS_DCDC,
1244                                 DSP_SPOS_DCDC,
1245                                 DSP_SPOS_DCDC,
1246                                 DSP_SPOS_DCDC,
1247                                 DSP_SPOS_DCDC,
1248                                 DSP_SPOS_DCDC,
1249                                 DSP_SPOS_DCDC,
1250                                 DSP_SPOS_DCDC,
1251                                 DSP_SPOS_DCDC,
1252                                 DSP_SPOS_DCDC,
1253                                 DSP_SPOS_DCDC,
1254                                 DSP_SPOS_DCDC,
1255                                 DSP_SPOS_DCDC,
1256                                 DSP_SPOS_DCDC,
1257                                 DSP_SPOS_DCDC,
1258                                 DSP_SPOS_DCDC 
1259                         },                                               
1260                         { 
1261                                 BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1262                                 0,0
1263                         }
1264                 };
1265 
1266                 bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1267                 bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1268                 cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1269         }
1270 
1271         /* create timing master SCB */
1272         timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1273 
1274         /* create the CODEC output task */
1275         codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1276                                                         MASTERMIX_SCB_ADDR,
1277                                                         CODECOUT_SCB_ADDR,timing_master_scb,
1278                                                         SCB_ON_PARENT_SUBLIST_SCB);
1279 
1280         if (!codec_out_scb) goto _fail_end;
1281         /* create the master mix SCB */
1282         master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1283                                                         MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1284                                                         codec_out_scb,
1285                                                         SCB_ON_PARENT_SUBLIST_SCB);
1286         ins->master_mix_scb = master_mix_scb;
1287 
1288         if (!master_mix_scb) goto _fail_end;
1289 
1290         /* create codec in */
1291         codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1292                                                       CODEC_INPUT_BUF1,
1293                                                       CODECIN_SCB_ADDR,codec_out_scb,
1294                                                       SCB_ON_PARENT_NEXT_SCB);
1295         if (!codec_in_scb) goto _fail_end;
1296         ins->codec_in_scb = codec_in_scb;
1297 
1298         /* create write back scb */
1299         write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1300                                                               WRITE_BACK_BUF1,WRITE_BACK_SPB,
1301                                                               WRITEBACK_SCB_ADDR,
1302                                                               timing_master_scb,
1303                                                               SCB_ON_PARENT_NEXT_SCB);
1304         if (!write_back_scb) goto _fail_end;
1305 
1306         {
1307                 static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1308                         0x00020000,
1309                         0x0000ffff
1310                 };
1311     
1312                 if (!cs46xx_dsp_create_task_tree(chip, NULL,
1313                                                  (u32 *)&mix2_ostream_spb,
1314                                                  WRITE_BACK_SPB, 2))
1315                         goto _fail_end;
1316         }
1317 
1318         /* input sample converter */
1319         vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1320                                                                 VARI_DECIMATE_BUF0,
1321                                                                 VARI_DECIMATE_BUF1,
1322                                                                 VARIDECIMATE_SCB_ADDR,
1323                                                                 write_back_scb,
1324                                                                 SCB_ON_PARENT_SUBLIST_SCB);
1325         if (!vari_decimate_scb) goto _fail_end;
1326 
1327         /* create the record mixer SCB */
1328         record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1329                                                         MIX_SAMPLE_BUF2,
1330                                                         RECORD_MIXER_SCB_ADDR,
1331                                                         vari_decimate_scb,
1332                                                         SCB_ON_PARENT_SUBLIST_SCB);
1333         ins->record_mixer_scb = record_mix_scb;
1334 
1335         if (!record_mix_scb) goto _fail_end;
1336 
1337         valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1338 
1339         if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1340                 goto _fail_end;
1341 
1342         if (chip->nr_ac97_codecs == 1) {
1343                 /* output on slot 5 and 11 
1344                    on primary CODEC */
1345                 fifo_addr = 0x20;
1346                 fifo_span = 0x60;
1347 
1348                 /* enable slot 5 and 11 */
1349                 valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1350         } else {
1351                 /* output on slot 7 and 8 
1352                    on secondary CODEC */
1353                 fifo_addr = 0x40;
1354                 fifo_span = 0x10;
1355 
1356                 /* enable slot 7 and 8 */
1357                 valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1358         }
1359         /* create CODEC tasklet for rear speakers output*/
1360         rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1361                                                              REAR_MIXER_SCB_ADDR,
1362                                                              REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1363                                                              SCB_ON_PARENT_NEXT_SCB);
1364         if (!rear_codec_out_scb) goto _fail_end;
1365         
1366         
1367         /* create the rear PCM channel  mixer SCB */
1368         rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1369                                                       MIX_SAMPLE_BUF3,
1370                                                       REAR_MIXER_SCB_ADDR,
1371                                                       rear_codec_out_scb,
1372                                                       SCB_ON_PARENT_SUBLIST_SCB);
1373         ins->rear_mix_scb = rear_mix_scb;
1374         if (!rear_mix_scb) goto _fail_end;
1375         
1376         if (chip->nr_ac97_codecs == 2) {
1377                 /* create CODEC tasklet for rear Center/LFE output 
1378                    slot 6 and 9 on secondary CODEC */
1379                 clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1380                                                                      CLFE_MIXER_SCB_ADDR,
1381                                                                      CLFE_CODEC_SCB_ADDR,
1382                                                                      rear_codec_out_scb,
1383                                                                      SCB_ON_PARENT_NEXT_SCB);
1384                 if (!clfe_codec_out_scb) goto _fail_end;
1385                 
1386                 
1387                 /* create the rear PCM channel  mixer SCB */
1388                 ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1389                                                                          MIX_SAMPLE_BUF4,
1390                                                                          CLFE_MIXER_SCB_ADDR,
1391                                                                          clfe_codec_out_scb,
1392                                                                          SCB_ON_PARENT_SUBLIST_SCB);
1393                 if (!ins->center_lfe_mix_scb) goto _fail_end;
1394 
1395                 /* enable slot 6 and 9 */
1396                 valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1397         } else {
1398                 clfe_codec_out_scb = rear_codec_out_scb;
1399                 ins->center_lfe_mix_scb = rear_mix_scb;
1400         }
1401 
1402         /* enable slots depending on CODEC configuration */
1403         snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1404 
1405         /* the magic snooper */
1406         magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1407                                                              OUTPUT_SNOOP_BUFFER,
1408                                                              codec_out_scb,
1409                                                              clfe_codec_out_scb,
1410                                                              SCB_ON_PARENT_NEXT_SCB);
1411 
1412     
1413         if (!magic_snoop_scb) goto _fail_end;
1414         ins->ref_snoop_scb = magic_snoop_scb;
1415 
1416         /* SP IO access */
1417         if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1418                                               magic_snoop_scb,
1419                                               SCB_ON_PARENT_NEXT_SCB))
1420                 goto _fail_end;
1421 
1422         /* SPDIF input sampel rate converter */
1423         src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1424                                                       ins->spdif_in_sample_rate,
1425                                                       SRC_OUTPUT_BUF1,
1426                                                       SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1427                                                       master_mix_scb,
1428                                                       SCB_ON_PARENT_SUBLIST_SCB,1);
1429 
1430         if (!src_task_scb) goto _fail_end;
1431         cs46xx_src_unlink(chip,src_task_scb);
1432 
1433         /* NOTE: when we now how to detect the SPDIF input
1434            sample rate we will use this SRC to adjust it */
1435         ins->spdif_in_src = src_task_scb;
1436 
1437         cs46xx_dsp_async_init(chip,timing_master_scb);
1438         return 0;
1439 
1440  _fail_end:
1441         dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1442         return -EINVAL;
1443 }
1444 
1445 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1446                                   struct dsp_scb_descriptor * fg_entry)
1447 {
1448         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1449         struct dsp_symbol_entry * s16_async_codec_input_task;
1450         struct dsp_symbol_entry * spdifo_task;
1451         struct dsp_symbol_entry * spdifi_task;
1452         struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1453 
1454         s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1455         if (s16_async_codec_input_task == NULL) {
1456                 dev_err(chip->card->dev,
1457                         "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1458                 return -EIO;
1459         }
1460         spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1461         if (spdifo_task == NULL) {
1462                 dev_err(chip->card->dev,
1463                         "dsp_spos: symbol SPDIFOTASK not found\n");
1464                 return -EIO;
1465         }
1466 
1467         spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1468         if (spdifi_task == NULL) {
1469                 dev_err(chip->card->dev,
1470                         "dsp_spos: symbol SPDIFITASK not found\n");
1471                 return -EIO;
1472         }
1473 
1474         {
1475                 /* 0xBC0 */
1476                 struct dsp_spdifoscb spdifo_scb = {
1477                         /* 0 */ DSP_SPOS_UUUU,
1478                         {
1479                                 /* 1 */ 0xb0, 
1480                                 /* 2 */ 0, 
1481                                 /* 3 */ 0, 
1482                                 /* 4 */ 0, 
1483                         },
1484                         /* NOTE: the SPDIF output task read samples in mono
1485                            format, the AsynchFGTxSCB task writes to buffer
1486                            in stereo format
1487                         */
1488                         /* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1489                         /* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1490                         /* 7 */ 0,0, 
1491                         /* 8 */ 0, 
1492                         /* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR, 
1493                         /* A */ spdifo_task->address,
1494                         SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1495                         {
1496                                 /* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1497                                 /* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1498                         },
1499                         /* D */ 0x804c,0,                                                         /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1500                         /* E */ 0x0108,0x0001,                                    /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1501                         /* F */ DSP_SPOS_UUUU                                     /* SPDIFOFree; */
1502                 };
1503 
1504                 /* 0xBB0 */
1505                 struct dsp_spdifiscb spdifi_scb = {
1506                         /* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1507                         /* 1 */ 0,
1508                         /* 2 */ 0,
1509                         /* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */ 
1510                         /* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1511                         /* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1512                         /* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1513                         /* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1514                         /* 8 */ DSP_SPOS_UUUU,  /* TempStatus */
1515                         /* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1516                         /* A */ spdifi_task->address,
1517                         SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1518                         /* NOTE: The SPDIF input task write the sample in mono
1519                            format from the HW FIFO, the AsynchFGRxSCB task  reads 
1520                            them in stereo 
1521                         */
1522                         /* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1523                         /* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1524                         /* D */ 0x8048,0,
1525                         /* E */ 0x01f0,0x0001,
1526                         /* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1527                 };
1528 
1529                 /* 0xBA0 */
1530                 struct dsp_async_codec_input_scb async_codec_input_scb = {
1531                         /* 0 */ DSP_SPOS_UUUU,
1532                         /* 1 */ 0,
1533                         /* 2 */ 0,
1534                         /* 3 */ 1,4000,
1535                         /* 4 */ 0x0118,0x0001,
1536                         /* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1537                         /* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1538                         /* 7 */ DSP_SPOS_UU,0x3,
1539                         /* 8 */ DSP_SPOS_UUUU,
1540                         /* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1541                         /* A */ s16_async_codec_input_task->address,
1542                         HFG_TREE_SCB + AsyncCIOFIFOPointer,
1543               
1544                         /* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1545                         /* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1546       
1547 #ifdef UseASER1Input
1548                         /* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;        
1549                            Init. 0000:8042: for ASER1
1550                            0000:8044: for ASER2 */
1551                         /* D */ 0x8042,0,
1552       
1553                         /* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1554                            Init 1 stero:8050 ASER1
1555                            Init 0  mono:8070 ASER2
1556                            Init 1 Stereo : 0100 ASER1 (Set by script) */
1557                         /* E */ 0x0100,0x0001,
1558       
1559 #endif
1560       
1561 #ifdef UseASER2Input
1562                         /* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1563                            Init. 0000:8042: for ASER1
1564                            0000:8044: for ASER2 */
1565                         /* D */ 0x8044,0,
1566       
1567                         /* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1568                            Init 1 stero:8050 ASER1
1569                            Init 0  mono:8070 ASER2
1570                            Init 1 Stereo : 0100 ASER1 (Set by script) */
1571                         /* E */ 0x0110,0x0001,
1572       
1573 #endif
1574       
1575                         /* short AsyncCIOutputBufModulo:AsyncCIFree;
1576                            AsyncCIOutputBufModulo: The modulo size for   
1577                            the output buffer of this task */
1578                         /* F */ 0, /* DSP_SPOS_UUUU */
1579                 };
1580 
1581                 spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1582 
1583                 if (snd_BUG_ON(!spdifo_scb_desc))
1584                         return -EIO;
1585                 spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1586                 if (snd_BUG_ON(!spdifi_scb_desc))
1587                         return -EIO;
1588                 async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1589                 if (snd_BUG_ON(!async_codec_scb_desc))
1590                         return -EIO;
1591 
1592                 async_codec_scb_desc->parent_scb_ptr = NULL;
1593                 async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1594                 async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1595                 async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1596 
1597                 spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1598                 spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1599                 spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1600                 spdifi_scb_desc->task_entry = spdifi_task;
1601 
1602                 spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1603                 spdifo_scb_desc->next_scb_ptr = fg_entry;
1604                 spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1605                 spdifo_scb_desc->task_entry = spdifo_task;
1606 
1607                 /* this one is faked, as the parnet of SPDIFO task
1608                    is the FG task tree */
1609                 fg_entry->parent_scb_ptr = spdifo_scb_desc;
1610 
1611                 /* for proc fs */
1612                 cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1613                 cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1614                 cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1615 
1616                 /* Async MASTER ENABLE, affects both SPDIF input and output */
1617                 snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1618         }
1619 
1620         return 0;
1621 }
1622 
1623 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1624 {
1625         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1626 
1627         /* set SPDIF output FIFO slot */
1628         snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1629 
1630         /* SPDIF output MASTER ENABLE */
1631         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1632 
1633         /* right and left validate bit */
1634         /*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1635         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1636 
1637         /* clear fifo pointer */
1638         cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1639 
1640         /* monitor state */
1641         ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1642 }
1643 
1644 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1645 {
1646         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1647 
1648         /* if hw-ctrl already enabled, turn off to reset logic ... */
1649         cs46xx_dsp_disable_spdif_hw (chip);
1650         udelay(50);
1651 
1652         /* set SPDIF output FIFO slot */
1653         snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1654 
1655         /* SPDIF output MASTER ENABLE */
1656         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1657 
1658         /* right and left validate bit */
1659         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1660 
1661         /* monitor state */
1662         ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1663 
1664         return 0;
1665 }
1666 
1667 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1668 {
1669         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1670 
1671         /* turn on amplifier */
1672         chip->active_ctrl(chip, 1);
1673         chip->amplifier_ctrl(chip, 1);
1674 
1675         if (snd_BUG_ON(ins->asynch_rx_scb))
1676                 return -EINVAL;
1677         if (snd_BUG_ON(!ins->spdif_in_src))
1678                 return -EINVAL;
1679 
1680         mutex_lock(&chip->spos_mutex);
1681 
1682         if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1683                 /* time countdown enable */
1684                 cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1685                 /* NOTE: 80000005 value is just magic. With all values
1686                    that I've tested this one seem to give the best result.
1687                    Got no explication why. (Benny) */
1688 
1689                 /* SPDIF input MASTER ENABLE */
1690                 cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1691 
1692                 ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1693         }
1694 
1695         /* create and start the asynchronous receiver SCB */
1696         ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1697                                                                 ASYNCRX_SCB_ADDR,
1698                                                                 SPDIFI_SCB_INST,
1699                                                                 SPDIFI_IP_OUTPUT_BUFFER1,
1700                                                                 ins->spdif_in_src,
1701                                                                 SCB_ON_PARENT_SUBLIST_SCB);
1702 
1703         spin_lock_irq(&chip->reg_lock);
1704 
1705         /* reset SPDIF input sample buffer pointer */
1706         /*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1707           (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1708 
1709         /* reset FIFO ptr */
1710         /*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1711         cs46xx_src_link(chip,ins->spdif_in_src);
1712 
1713         /* unmute SRC volume */
1714         cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1715 
1716         spin_unlock_irq(&chip->reg_lock);
1717 
1718         /* set SPDIF input sample rate and unmute
1719            NOTE: only 48khz support for SPDIF input this time */
1720         /* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1721 
1722         /* monitor state */
1723         ins->spdif_status_in = 1;
1724         mutex_unlock(&chip->spos_mutex);
1725 
1726         return 0;
1727 }
1728 
1729 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1730 {
1731         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1732 
1733         if (snd_BUG_ON(!ins->asynch_rx_scb))
1734                 return -EINVAL;
1735         if (snd_BUG_ON(!ins->spdif_in_src))
1736                 return -EINVAL;
1737 
1738         mutex_lock(&chip->spos_mutex);
1739 
1740         /* Remove the asynchronous receiver SCB */
1741         cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1742         ins->asynch_rx_scb = NULL;
1743 
1744         cs46xx_src_unlink(chip,ins->spdif_in_src);
1745 
1746         /* monitor state */
1747         ins->spdif_status_in = 0;
1748         mutex_unlock(&chip->spos_mutex);
1749 
1750         /* restore amplifier */
1751         chip->active_ctrl(chip, -1);
1752         chip->amplifier_ctrl(chip, -1);
1753 
1754         return 0;
1755 }
1756 
1757 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1758 {
1759         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1760 
1761         if (snd_BUG_ON(ins->pcm_input))
1762                 return -EINVAL;
1763         if (snd_BUG_ON(!ins->ref_snoop_scb))
1764                 return -EINVAL;
1765 
1766         mutex_lock(&chip->spos_mutex);
1767         ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1768                                                   "PCMSerialInput_Wave");
1769         mutex_unlock(&chip->spos_mutex);
1770 
1771         return 0;
1772 }
1773 
1774 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1775 {
1776         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1777 
1778         if (snd_BUG_ON(!ins->pcm_input))
1779                 return -EINVAL;
1780 
1781         mutex_lock(&chip->spos_mutex);
1782         cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1783         ins->pcm_input = NULL;
1784         mutex_unlock(&chip->spos_mutex);
1785 
1786         return 0;
1787 }
1788 
1789 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1790 {
1791         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1792 
1793         if (snd_BUG_ON(ins->adc_input))
1794                 return -EINVAL;
1795         if (snd_BUG_ON(!ins->codec_in_scb))
1796                 return -EINVAL;
1797 
1798         mutex_lock(&chip->spos_mutex);
1799         ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1800                                                   "PCMSerialInput_ADC");
1801         mutex_unlock(&chip->spos_mutex);
1802 
1803         return 0;
1804 }
1805 
1806 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1807 {
1808         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1809 
1810         if (snd_BUG_ON(!ins->adc_input))
1811                 return -EINVAL;
1812 
1813         mutex_lock(&chip->spos_mutex);
1814         cs46xx_dsp_remove_scb (chip,ins->adc_input);
1815         ins->adc_input = NULL;
1816         mutex_unlock(&chip->spos_mutex);
1817 
1818         return 0;
1819 }
1820 
1821 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1822 {
1823         u32 temp;
1824         int  i;
1825 
1826         /* santiy check the parameters.  (These numbers are not 100% correct.  They are
1827            a rough guess from looking at the controller spec.) */
1828         if (address < 0x8000 || address >= 0x9000)
1829                 return -EINVAL;
1830         
1831         /* initialize the SP_IO_WRITE SCB with the data. */
1832         temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1833 
1834         snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1835         snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1836         snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1837     
1838         /* Poke this location to tell the task to start */
1839         snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1840 
1841         /* Verify that the task ran */
1842         for (i=0; i<25; i++) {
1843                 udelay(125);
1844 
1845                 temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1846                 if (temp == 0x00000000)
1847                         break;
1848         }
1849 
1850         if (i == 25) {
1851                 dev_err(chip->card->dev,
1852                         "dsp_spos: SPIOWriteTask not responding\n");
1853                 return -EBUSY;
1854         }
1855 
1856         return 0;
1857 }
1858 
1859 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1860 {
1861         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1862         struct dsp_scb_descriptor * scb; 
1863 
1864         mutex_lock(&chip->spos_mutex);
1865         
1866         /* main output */
1867         scb = ins->master_mix_scb->sub_list_ptr;
1868         while (scb != ins->the_null_scb) {
1869                 cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1870                 scb = scb->next_scb_ptr;
1871         }
1872 
1873         /* rear output */
1874         scb = ins->rear_mix_scb->sub_list_ptr;
1875         while (scb != ins->the_null_scb) {
1876                 cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1877                 scb = scb->next_scb_ptr;
1878         }
1879 
1880         ins->dac_volume_left = left;
1881         ins->dac_volume_right = right;
1882 
1883         mutex_unlock(&chip->spos_mutex);
1884 
1885         return 0;
1886 }
1887 
1888 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1889 {
1890         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1891 
1892         mutex_lock(&chip->spos_mutex);
1893 
1894         if (ins->asynch_rx_scb != NULL)
1895                 cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1896                                            left,right);
1897 
1898         ins->spdif_input_volume_left = left;
1899         ins->spdif_input_volume_right = right;
1900 
1901         mutex_unlock(&chip->spos_mutex);
1902 
1903         return 0;
1904 }
1905 
1906 #ifdef CONFIG_PM_SLEEP
1907 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1908 {
1909         struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1910         int i, err;
1911 
1912         /* clear parameter, sample and code areas */
1913         snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1914                              DSP_PARAMETER_BYTE_SIZE);
1915         snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1916                              DSP_SAMPLE_BYTE_SIZE);
1917         snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1918 
1919         for (i = 0; i < ins->nmodules; i++) {
1920                 struct dsp_module_desc *module = &ins->modules[i];
1921                 struct dsp_segment_desc *seg;
1922                 u32 doffset, dsize;
1923 
1924                 seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1925                 err = dsp_load_parameter(chip, seg);
1926                 if (err < 0)
1927                         return err;
1928 
1929                 seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1930                 err = dsp_load_sample(chip, seg);
1931                 if (err < 0)
1932                         return err;
1933 
1934                 seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1935                 if (!seg)
1936                         continue;
1937 
1938                 doffset = seg->offset * 4 + module->load_address * 4
1939                         + DSP_CODE_BYTE_OFFSET;
1940                 dsize   = seg->size * 4;
1941                 err = snd_cs46xx_download(chip,
1942                                           ins->code.data + module->load_address,
1943                                           doffset, dsize);
1944                 if (err < 0)
1945                         return err;
1946         }
1947 
1948         for (i = 0; i < ins->ntask; i++) {
1949                 struct dsp_task_descriptor *t = &ins->tasks[i];
1950                 _dsp_create_task_tree(chip, t->data, t->address, t->size);
1951         }
1952 
1953         for (i = 0; i < ins->nscb; i++) {
1954                 struct dsp_scb_descriptor *s = &ins->scbs[i];
1955                 if (s->deleted)
1956                         continue;
1957                 _dsp_create_scb(chip, s->data, s->address);
1958         }
1959         for (i = 0; i < ins->nscb; i++) {
1960                 struct dsp_scb_descriptor *s = &ins->scbs[i];
1961                 if (s->deleted)
1962                         continue;
1963                 if (s->updated)
1964                         cs46xx_dsp_spos_update_scb(chip, s);
1965                 if (s->volume_set)
1966                         cs46xx_dsp_scb_set_volume(chip, s,
1967                                                   s->volume[0], s->volume[1]);
1968         }
1969         if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
1970                 cs46xx_dsp_enable_spdif_hw(chip);
1971                 snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
1972                                 (OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
1973                 if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
1974                         cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
1975                                             ins->spdif_csuv_stream);
1976         }
1977         if (chip->dsp_spos_instance->spdif_status_in) {
1978                 cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
1979                 cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
1980         }
1981         return 0;
1982 }
1983 #endif
1984 

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