xref: /linux/sound/pci/cs46xx/dsp_spos.c (revision 80d7da1cac62f28b3df4880e8143b39cabb4b59a)
1 /*
2  *   This program is free software; you can redistribute it and/or modify
3  *   it under the terms of the GNU General Public License as published by
4  *   the Free Software Foundation; either version 2 of the License, or
5  *   (at your option) any later version.
6  *
7  *   This program is distributed in the hope that it will be useful,
8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  *   GNU General Public License for more details.
11  *
12  *   You should have received a copy of the GNU General Public License
13  *   along with this program; if not, write to the Free Software
14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
15  *
16  */
17 
18 /*
19  * 2002-07 Benny Sjostrand benny@hostmobility.com
20  */
21 
22 
23 #include <linux/io.h>
24 #include <linux/delay.h>
25 #include <linux/pm.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <linux/mutex.h>
30 
31 #include <sound/core.h>
32 #include <sound/control.h>
33 #include <sound/info.h>
34 #include <sound/asoundef.h>
35 #include "cs46xx.h"
36 
37 #include "cs46xx_lib.h"
38 #include "dsp_spos.h"
39 
40 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
41 				  struct dsp_scb_descriptor * fg_entry);
42 
43 static enum wide_opcode wide_opcodes[] = {
44 	WIDE_FOR_BEGIN_LOOP,
45 	WIDE_FOR_BEGIN_LOOP2,
46 	WIDE_COND_GOTO_ADDR,
47 	WIDE_COND_GOTO_CALL,
48 	WIDE_TBEQ_COND_GOTO_ADDR,
49 	WIDE_TBEQ_COND_CALL_ADDR,
50 	WIDE_TBEQ_NCOND_GOTO_ADDR,
51 	WIDE_TBEQ_NCOND_CALL_ADDR,
52 	WIDE_TBEQ_COND_GOTO1_ADDR,
53 	WIDE_TBEQ_COND_CALL1_ADDR,
54 	WIDE_TBEQ_NCOND_GOTOI_ADDR,
55 	WIDE_TBEQ_NCOND_CALL1_ADDR
56 };
57 
58 static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
59 				       u32 overlay_begin_address)
60 {
61 	unsigned int i = 0, j, nreallocated = 0;
62 	u32 hival,loval,address;
63 	u32 mop_operands,mop_type,wide_op;
64 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
65 
66 	if (snd_BUG_ON(size %2))
67 		return -EINVAL;
68 
69 	while (i < size) {
70 		loval = data[i++];
71 		hival = data[i++];
72 
73 		if (ins->code.offset > 0) {
74 			mop_operands = (hival >> 6) & 0x03fff;
75 			mop_type = mop_operands >> 10;
76 
77 			/* check for wide type instruction */
78 			if (mop_type == 0 &&
79 			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
80 			    (mop_operands & WIDE_INSTR_MASK) != 0) {
81 				wide_op = loval & 0x7f;
82 				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
83 					if (wide_opcodes[j] == wide_op) {
84 						/* need to reallocate instruction */
85 						address  = (hival & 0x00FFF) << 5;
86 						address |=  loval >> 15;
87 
88 						dev_dbg(chip->card->dev,
89 							"handle_wideop[1]: %05x:%05x addr %04x\n",
90 							hival, loval, address);
91 
92 						if ( !(address & 0x8000) ) {
93 							address += (ins->code.offset / 2) - overlay_begin_address;
94 						} else {
95 							dev_dbg(chip->card->dev,
96 								"handle_wideop[1]: ROM symbol not reallocated\n");
97 						}
98 
99 						hival &= 0xFF000;
100 						loval &= 0x07FFF;
101 
102 						hival |= ( (address >> 5)  & 0x00FFF);
103 						loval |= ( (address << 15) & 0xF8000);
104 
105 						address  = (hival & 0x00FFF) << 5;
106 						address |=  loval >> 15;
107 
108 						dev_dbg(chip->card->dev,
109 							"handle_wideop:[2] %05x:%05x addr %04x\n",
110 							hival, loval, address);
111 						nreallocated++;
112 					} /* wide_opcodes[j] == wide_op */
113 				} /* for */
114 			} /* mod_type == 0 ... */
115 		} /* ins->code.offset > 0 */
116 
117 		ins->code.data[ins->code.size++] = loval;
118 		ins->code.data[ins->code.size++] = hival;
119 	}
120 
121 	dev_dbg(chip->card->dev,
122 		"dsp_spos: %d instructions reallocated\n", nreallocated);
123 	return nreallocated;
124 }
125 
126 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
127 {
128 	int i;
129 	for (i = 0;i < module->nsegments; ++i) {
130 		if (module->segments[i].segment_type == seg_type) {
131 			return (module->segments + i);
132 		}
133 	}
134 
135 	return NULL;
136 };
137 
138 static int find_free_symbol_index (struct dsp_spos_instance * ins)
139 {
140 	int index = ins->symbol_table.nsymbols,i;
141 
142 	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
143 		if (ins->symbol_table.symbols[i].deleted) {
144 			index = i;
145 			break;
146 		}
147 	}
148 
149 	return index;
150 }
151 
152 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
153 {
154 	int i;
155 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
156 
157 	if (module->symbol_table.nsymbols > 0) {
158 		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
159 		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
160 			module->overlay_begin_address = module->symbol_table.symbols[0].address;
161 		}
162 	}
163 
164 	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
165 		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
166 			dev_err(chip->card->dev,
167 				"dsp_spos: symbol table is full\n");
168 			return -ENOMEM;
169 		}
170 
171 
172 		if (cs46xx_dsp_lookup_symbol(chip,
173 					     module->symbol_table.symbols[i].symbol_name,
174 					     module->symbol_table.symbols[i].symbol_type) == NULL) {
175 
176 			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
177 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
178 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
179 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
180 
181 			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
182 				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
183 
184 			ins->symbol_table.nsymbols++;
185 		} else {
186 #if 0
187 			dev_dbg(chip->card->dev,
188 				"dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
189 				module->symbol_table.symbols[i].symbol_name); */
190 #endif
191 		}
192 	}
193 
194 	return 0;
195 }
196 
197 static struct dsp_symbol_entry *
198 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
199 {
200 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
201 	struct dsp_symbol_entry * symbol = NULL;
202 	int index;
203 
204 	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
205 		dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
206 		return NULL;
207 	}
208 
209 	if (cs46xx_dsp_lookup_symbol(chip,
210 				     symbol_name,
211 				     type) != NULL) {
212 		dev_err(chip->card->dev,
213 			"dsp_spos: symbol <%s> duplicated\n", symbol_name);
214 		return NULL;
215 	}
216 
217 	index = find_free_symbol_index (ins);
218 
219 	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
220 	ins->symbol_table.symbols[index].address = address;
221 	ins->symbol_table.symbols[index].symbol_type = type;
222 	ins->symbol_table.symbols[index].module = NULL;
223 	ins->symbol_table.symbols[index].deleted = 0;
224 	symbol = (ins->symbol_table.symbols + index);
225 
226 	if (index > ins->symbol_table.highest_frag_index)
227 		ins->symbol_table.highest_frag_index = index;
228 
229 	if (index == ins->symbol_table.nsymbols)
230 		ins->symbol_table.nsymbols++; /* no frag. in list */
231 
232 	return symbol;
233 }
234 
235 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
236 {
237 	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
238 
239 	if (ins == NULL)
240 		return NULL;
241 
242 	/* better to use vmalloc for this big table */
243 	ins->symbol_table.symbols =
244 		vmalloc(array_size(DSP_MAX_SYMBOLS,
245 				   sizeof(struct dsp_symbol_entry)));
246 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
247 	ins->modules = kmalloc_array(DSP_MAX_MODULES,
248 				     sizeof(struct dsp_module_desc),
249 				     GFP_KERNEL);
250 	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
251 		cs46xx_dsp_spos_destroy(chip);
252 		goto error;
253 	}
254 	ins->symbol_table.nsymbols = 0;
255 	ins->symbol_table.highest_frag_index = 0;
256 	ins->code.offset = 0;
257 	ins->code.size = 0;
258 	ins->nscb = 0;
259 	ins->ntask = 0;
260 	ins->nmodules = 0;
261 
262 	/* default SPDIF input sample rate
263 	   to 48000 khz */
264 	ins->spdif_in_sample_rate = 48000;
265 
266 	/* maximize volume */
267 	ins->dac_volume_right = 0x8000;
268 	ins->dac_volume_left = 0x8000;
269 	ins->spdif_input_volume_right = 0x8000;
270 	ins->spdif_input_volume_left = 0x8000;
271 
272 	/* set left and right validity bits and
273 	   default channel status */
274 	ins->spdif_csuv_default =
275 		ins->spdif_csuv_stream =
276 	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
277 	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
278 	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
279 	 /* left and right validity bits */ (1 << 13) | (1 << 12);
280 
281 	return ins;
282 
283 error:
284 	kfree(ins->modules);
285 	kfree(ins->code.data);
286 	vfree(ins->symbol_table.symbols);
287 	kfree(ins);
288 	return NULL;
289 }
290 
291 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
292 {
293 	int i;
294 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
295 
296 	if (snd_BUG_ON(!ins))
297 		return;
298 
299 	mutex_lock(&chip->spos_mutex);
300 	for (i = 0; i < ins->nscb; ++i) {
301 		if (ins->scbs[i].deleted) continue;
302 
303 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
304 #ifdef CONFIG_PM_SLEEP
305 		kfree(ins->scbs[i].data);
306 #endif
307 	}
308 
309 	kfree(ins->code.data);
310 	vfree(ins->symbol_table.symbols);
311 	kfree(ins->modules);
312 	kfree(ins);
313 	mutex_unlock(&chip->spos_mutex);
314 }
315 
316 static int dsp_load_parameter(struct snd_cs46xx *chip,
317 			      struct dsp_segment_desc *parameter)
318 {
319 	u32 doffset, dsize;
320 
321 	if (!parameter) {
322 		dev_dbg(chip->card->dev,
323 			"dsp_spos: module got no parameter segment\n");
324 		return 0;
325 	}
326 
327 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
328 	dsize   = parameter->size * 4;
329 
330 	dev_dbg(chip->card->dev,
331 		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
332 		    doffset,doffset + dsize);
333 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
334 		dev_err(chip->card->dev,
335 			"dsp_spos: failed to download parameter data to DSP\n");
336 		return -EINVAL;
337 	}
338 	return 0;
339 }
340 
341 static int dsp_load_sample(struct snd_cs46xx *chip,
342 			   struct dsp_segment_desc *sample)
343 {
344 	u32 doffset, dsize;
345 
346 	if (!sample) {
347 		dev_dbg(chip->card->dev,
348 			"dsp_spos: module got no sample segment\n");
349 		return 0;
350 	}
351 
352 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
353 	dsize   =  sample->size * 4;
354 
355 	dev_dbg(chip->card->dev,
356 		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
357 		    doffset,doffset + dsize);
358 
359 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
360 		dev_err(chip->card->dev,
361 			"dsp_spos: failed to sample data to DSP\n");
362 		return -EINVAL;
363 	}
364 	return 0;
365 }
366 
367 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
368 {
369 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
370 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
371 	u32 doffset, dsize;
372 	int err;
373 
374 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
375 		dev_err(chip->card->dev,
376 			"dsp_spos: to many modules loaded into DSP\n");
377 		return -ENOMEM;
378 	}
379 
380 	dev_dbg(chip->card->dev,
381 		"dsp_spos: loading module %s into DSP\n", module->module_name);
382 
383 	if (ins->nmodules == 0) {
384 		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
385 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
386 	}
387 
388 	err = dsp_load_parameter(chip, get_segment_desc(module,
389 							SEGTYPE_SP_PARAMETER));
390 	if (err < 0)
391 		return err;
392 
393 	if (ins->nmodules == 0) {
394 		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
395 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
396 	}
397 
398 	err = dsp_load_sample(chip, get_segment_desc(module,
399 						     SEGTYPE_SP_SAMPLE));
400 	if (err < 0)
401 		return err;
402 
403 	if (ins->nmodules == 0) {
404 		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
405 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
406 	}
407 
408 	if (code == NULL) {
409 		dev_dbg(chip->card->dev,
410 			"dsp_spos: module got no code segment\n");
411 	} else {
412 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
413 			dev_err(chip->card->dev,
414 				"dsp_spos: no space available in DSP\n");
415 			return -ENOMEM;
416 		}
417 
418 		module->load_address = ins->code.offset;
419 		module->overlay_begin_address = 0x000;
420 
421 		/* if module has a code segment it must have
422 		   symbol table */
423 		if (snd_BUG_ON(!module->symbol_table.symbols))
424 			return -ENOMEM;
425 		if (add_symbols(chip,module)) {
426 			dev_err(chip->card->dev,
427 				"dsp_spos: failed to load symbol table\n");
428 			return -ENOMEM;
429 		}
430 
431 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
432 		dsize   = code->size * 4;
433 		dev_dbg(chip->card->dev,
434 			"dsp_spos: downloading code to chip (%08x-%08x)\n",
435 			    doffset,doffset + dsize);
436 
437 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
438 
439 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
440 			dev_err(chip->card->dev,
441 				"dsp_spos: failed to download code to DSP\n");
442 			return -EINVAL;
443 		}
444 
445 		ins->code.offset += code->size;
446 	}
447 
448 	/* NOTE: module segments and symbol table must be
449 	   statically allocated. Case that module data is
450 	   not generated by the ospparser */
451 	ins->modules[ins->nmodules] = *module;
452 	ins->nmodules++;
453 
454 	return 0;
455 }
456 
457 struct dsp_symbol_entry *
458 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
459 {
460 	int i;
461 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
462 
463 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
464 
465 		if (ins->symbol_table.symbols[i].deleted)
466 			continue;
467 
468 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
469 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
470 			return (ins->symbol_table.symbols + i);
471 		}
472 	}
473 
474 #if 0
475 	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
476 		symbol_name,symbol_type);
477 #endif
478 
479 	return NULL;
480 }
481 
482 
483 #ifdef CONFIG_SND_PROC_FS
484 static struct dsp_symbol_entry *
485 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
486 {
487 	int i;
488 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
489 
490 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
491 
492 		if (ins->symbol_table.symbols[i].deleted)
493 			continue;
494 
495 		if (ins->symbol_table.symbols[i].address == address &&
496 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
497 			return (ins->symbol_table.symbols + i);
498 		}
499 	}
500 
501 
502 	return NULL;
503 }
504 
505 
506 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
507 					       struct snd_info_buffer *buffer)
508 {
509 	struct snd_cs46xx *chip = entry->private_data;
510 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
511 	int i;
512 
513 	snd_iprintf(buffer, "SYMBOLS:\n");
514 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
515 		char *module_str = "system";
516 
517 		if (ins->symbol_table.symbols[i].deleted)
518 			continue;
519 
520 		if (ins->symbol_table.symbols[i].module != NULL) {
521 			module_str = ins->symbol_table.symbols[i].module->module_name;
522 		}
523 
524 
525 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
526 			    ins->symbol_table.symbols[i].address,
527 			    ins->symbol_table.symbols[i].symbol_type,
528 			    ins->symbol_table.symbols[i].symbol_name,
529 			    module_str);
530 	}
531 }
532 
533 
534 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
535 					  struct snd_info_buffer *buffer)
536 {
537 	struct snd_cs46xx *chip = entry->private_data;
538 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
539 	int i,j;
540 
541 	mutex_lock(&chip->spos_mutex);
542 	snd_iprintf(buffer, "MODULES:\n");
543 	for ( i = 0; i < ins->nmodules; ++i ) {
544 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
545 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
546 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
547 
548 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
549 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
550 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
551 				    desc->segment_type,desc->offset, desc->size);
552 		}
553 	}
554 	mutex_unlock(&chip->spos_mutex);
555 }
556 
557 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
558 					    struct snd_info_buffer *buffer)
559 {
560 	struct snd_cs46xx *chip = entry->private_data;
561 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
562 	int i, j, col;
563 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
564 
565 	mutex_lock(&chip->spos_mutex);
566 	snd_iprintf(buffer, "TASK TREES:\n");
567 	for ( i = 0; i < ins->ntask; ++i) {
568 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
569 
570 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
571 			u32 val;
572 			if (col == 4) {
573 				snd_iprintf(buffer,"\n");
574 				col = 0;
575 			}
576 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
577 			snd_iprintf(buffer,"%08x ",val);
578 		}
579 	}
580 
581 	snd_iprintf(buffer,"\n");
582 	mutex_unlock(&chip->spos_mutex);
583 }
584 
585 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
586 				      struct snd_info_buffer *buffer)
587 {
588 	struct snd_cs46xx *chip = entry->private_data;
589 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
590 	int i;
591 
592 	mutex_lock(&chip->spos_mutex);
593 	snd_iprintf(buffer, "SCB's:\n");
594 	for ( i = 0; i < ins->nscb; ++i) {
595 		if (ins->scbs[i].deleted)
596 			continue;
597 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
598 
599 		if (ins->scbs[i].parent_scb_ptr != NULL) {
600 			snd_iprintf(buffer,"parent [%s:%04x] ",
601 				    ins->scbs[i].parent_scb_ptr->scb_name,
602 				    ins->scbs[i].parent_scb_ptr->address);
603 		} else snd_iprintf(buffer,"parent [none] ");
604 
605 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
606 			    ins->scbs[i].sub_list_ptr->scb_name,
607 			    ins->scbs[i].sub_list_ptr->address,
608 			    ins->scbs[i].next_scb_ptr->scb_name,
609 			    ins->scbs[i].next_scb_ptr->address,
610 			    ins->scbs[i].task_entry->symbol_name,
611 			    ins->scbs[i].task_entry->address);
612 	}
613 
614 	snd_iprintf(buffer,"\n");
615 	mutex_unlock(&chip->spos_mutex);
616 }
617 
618 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
619 						 struct snd_info_buffer *buffer)
620 {
621 	struct snd_cs46xx *chip = entry->private_data;
622 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
623 	unsigned int i, col = 0;
624 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
625 	struct dsp_symbol_entry * symbol;
626 
627 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
628 		if (col == 4) {
629 			snd_iprintf(buffer,"\n");
630 			col = 0;
631 		}
632 
633 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
634 			col = 0;
635 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
636 		}
637 
638 		if (col == 0) {
639 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
640 		}
641 
642 		snd_iprintf(buffer,"%08X ",readl(dst + i));
643 	}
644 }
645 
646 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
647 					      struct snd_info_buffer *buffer)
648 {
649 	struct snd_cs46xx *chip = entry->private_data;
650 	int i,col = 0;
651 	void __iomem *dst = chip->region.idx[2].remap_addr;
652 
653 	snd_iprintf(buffer,"PCMREADER:\n");
654 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
655 		if (col == 4) {
656 			snd_iprintf(buffer,"\n");
657 			col = 0;
658 		}
659 
660 		if (col == 0) {
661 			snd_iprintf(buffer, "%04X ",i);
662 		}
663 
664 		snd_iprintf(buffer,"%08X ",readl(dst + i));
665 	}
666 
667 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
668 
669 	col = 0;
670 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
671 		if (col == 4) {
672 			snd_iprintf(buffer,"\n");
673 			col = 0;
674 		}
675 
676 		if (col == 0) {
677 			snd_iprintf(buffer, "%04X ",i);
678 		}
679 
680 		snd_iprintf(buffer,"%08X ",readl(dst + i));
681 	}
682 
683 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
684 	col = 0;
685 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
686 		if (col == 4) {
687 			snd_iprintf(buffer,"\n");
688 			col = 0;
689 		}
690 
691 		if (col == 0) {
692 			snd_iprintf(buffer, "%04X ",i);
693 		}
694 
695 		snd_iprintf(buffer,"%08X ",readl(dst + i));
696 	}
697 
698 
699 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
700 	col = 0;
701 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
702 		if (col == 4) {
703 			snd_iprintf(buffer,"\n");
704 			col = 0;
705 		}
706 
707 		if (col == 0) {
708 			snd_iprintf(buffer, "%04X ",i);
709 		}
710 
711 		snd_iprintf(buffer,"%08X ",readl(dst + i));
712 	}
713 
714 	snd_iprintf(buffer,"\n...\n");
715 	col = 0;
716 
717 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
718 		if (col == 4) {
719 			snd_iprintf(buffer,"\n");
720 			col = 0;
721 		}
722 
723 		if (col == 0) {
724 			snd_iprintf(buffer, "%04X ",i);
725 		}
726 
727 		snd_iprintf(buffer,"%08X ",readl(dst + i));
728 	}
729 
730 
731 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
732 	col = 0;
733 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
734 		if (col == 4) {
735 			snd_iprintf(buffer,"\n");
736 			col = 0;
737 		}
738 
739 		if (col == 0) {
740 			snd_iprintf(buffer, "%04X ",i);
741 		}
742 
743 		snd_iprintf(buffer,"%08X ",readl(dst + i));
744 	}
745 
746 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
747 	col = 0;
748 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
749 		if (col == 4) {
750 			snd_iprintf(buffer,"\n");
751 			col = 0;
752 		}
753 
754 		if (col == 0) {
755 			snd_iprintf(buffer, "%04X ",i);
756 		}
757 
758 		snd_iprintf(buffer,"%08X ",readl(dst + i));
759 	}
760 #if 0
761 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
762 	col = 0;
763 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
764 		if (col == 4) {
765 			snd_iprintf(buffer,"\n");
766 			col = 0;
767 		}
768 
769 		if (col == 0) {
770 			snd_iprintf(buffer, "%04X ",i);
771 		}
772 
773 		snd_iprintf(buffer,"%08X ",readl(dst + i));
774 	}
775 #endif
776 
777 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
778 	col = 0;
779 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
780 		if (col == 4) {
781 			snd_iprintf(buffer,"\n");
782 			col = 0;
783 		}
784 
785 		if (col == 0) {
786 			snd_iprintf(buffer, "%04X ",i);
787 		}
788 
789 		snd_iprintf(buffer,"%08X ",readl(dst + i));
790 	}
791 	snd_iprintf(buffer,"\n");
792 }
793 
794 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
795 {
796 	struct snd_info_entry *entry;
797 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
798 	int i;
799 
800 	ins->snd_card = card;
801 
802 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
803 		entry->content = SNDRV_INFO_CONTENT_TEXT;
804 		entry->mode = S_IFDIR | 0555;
805 
806 		if (snd_info_register(entry) < 0) {
807 			snd_info_free_entry(entry);
808 			entry = NULL;
809 		}
810 	}
811 
812 	ins->proc_dsp_dir = entry;
813 
814 	if (!ins->proc_dsp_dir)
815 		return -ENOMEM;
816 
817 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
818 		entry->content = SNDRV_INFO_CONTENT_TEXT;
819 		entry->private_data = chip;
820 		entry->mode = S_IFREG | 0644;
821 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
822 		if (snd_info_register(entry) < 0) {
823 			snd_info_free_entry(entry);
824 			entry = NULL;
825 		}
826 	}
827 	ins->proc_sym_info_entry = entry;
828 
829 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
830 		entry->content = SNDRV_INFO_CONTENT_TEXT;
831 		entry->private_data = chip;
832 		entry->mode = S_IFREG | 0644;
833 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
834 		if (snd_info_register(entry) < 0) {
835 			snd_info_free_entry(entry);
836 			entry = NULL;
837 		}
838 	}
839 	ins->proc_modules_info_entry = entry;
840 
841 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
842 		entry->content = SNDRV_INFO_CONTENT_TEXT;
843 		entry->private_data = chip;
844 		entry->mode = S_IFREG | 0644;
845 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
846 		if (snd_info_register(entry) < 0) {
847 			snd_info_free_entry(entry);
848 			entry = NULL;
849 		}
850 	}
851 	ins->proc_parameter_dump_info_entry = entry;
852 
853 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
854 		entry->content = SNDRV_INFO_CONTENT_TEXT;
855 		entry->private_data = chip;
856 		entry->mode = S_IFREG | 0644;
857 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
858 		if (snd_info_register(entry) < 0) {
859 			snd_info_free_entry(entry);
860 			entry = NULL;
861 		}
862 	}
863 	ins->proc_sample_dump_info_entry = entry;
864 
865 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
866 		entry->content = SNDRV_INFO_CONTENT_TEXT;
867 		entry->private_data = chip;
868 		entry->mode = S_IFREG | 0644;
869 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
870 		if (snd_info_register(entry) < 0) {
871 			snd_info_free_entry(entry);
872 			entry = NULL;
873 		}
874 	}
875 	ins->proc_task_info_entry = entry;
876 
877 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
878 		entry->content = SNDRV_INFO_CONTENT_TEXT;
879 		entry->private_data = chip;
880 		entry->mode = S_IFREG | 0644;
881 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
882 		if (snd_info_register(entry) < 0) {
883 			snd_info_free_entry(entry);
884 			entry = NULL;
885 		}
886 	}
887 	ins->proc_scb_info_entry = entry;
888 
889 	mutex_lock(&chip->spos_mutex);
890 	/* register/update SCB's entries on proc */
891 	for (i = 0; i < ins->nscb; ++i) {
892 		if (ins->scbs[i].deleted) continue;
893 
894 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
895 	}
896 	mutex_unlock(&chip->spos_mutex);
897 
898 	return 0;
899 }
900 
901 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
902 {
903 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
904 	int i;
905 
906 	if (!ins)
907 		return 0;
908 
909 	snd_info_free_entry(ins->proc_sym_info_entry);
910 	ins->proc_sym_info_entry = NULL;
911 
912 	snd_info_free_entry(ins->proc_modules_info_entry);
913 	ins->proc_modules_info_entry = NULL;
914 
915 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
916 	ins->proc_parameter_dump_info_entry = NULL;
917 
918 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
919 	ins->proc_sample_dump_info_entry = NULL;
920 
921 	snd_info_free_entry(ins->proc_scb_info_entry);
922 	ins->proc_scb_info_entry = NULL;
923 
924 	snd_info_free_entry(ins->proc_task_info_entry);
925 	ins->proc_task_info_entry = NULL;
926 
927 	mutex_lock(&chip->spos_mutex);
928 	for (i = 0; i < ins->nscb; ++i) {
929 		if (ins->scbs[i].deleted) continue;
930 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
931 	}
932 	mutex_unlock(&chip->spos_mutex);
933 
934 	snd_info_free_entry(ins->proc_dsp_dir);
935 	ins->proc_dsp_dir = NULL;
936 
937 	return 0;
938 }
939 #endif /* CONFIG_SND_PROC_FS */
940 
941 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
942 				   u32  dest, int size)
943 {
944 	void __iomem *spdst = chip->region.idx[1].remap_addr +
945 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
946 	int i;
947 
948 	for (i = 0; i < size; ++i) {
949 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
950 			spdst, task_data[i]);
951 		writel(task_data[i],spdst);
952 		spdst += sizeof(u32);
953 	}
954 }
955 
956 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
957 {
958 	void __iomem *spdst = chip->region.idx[1].remap_addr +
959 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
960 	int i;
961 
962 	for (i = 0; i < 0x10; ++i) {
963 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
964 			spdst, scb_data[i]);
965 		writel(scb_data[i],spdst);
966 		spdst += sizeof(u32);
967 	}
968 }
969 
970 static int find_free_scb_index (struct dsp_spos_instance * ins)
971 {
972 	int index = ins->nscb, i;
973 
974 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
975 		if (ins->scbs[i].deleted) {
976 			index = i;
977 			break;
978 		}
979 	}
980 
981 	return index;
982 }
983 
984 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
985 {
986 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
987 	struct dsp_scb_descriptor * desc = NULL;
988 	int index;
989 
990 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
991 		dev_err(chip->card->dev,
992 			"dsp_spos: got no place for other SCB\n");
993 		return NULL;
994 	}
995 
996 	index = find_free_scb_index (ins);
997 
998 	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
999 	strcpy(ins->scbs[index].scb_name, name);
1000 	ins->scbs[index].address = dest;
1001 	ins->scbs[index].index = index;
1002 	ins->scbs[index].ref_count = 1;
1003 
1004 	desc = (ins->scbs + index);
1005 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
1006 
1007 	if (index > ins->scb_highest_frag_index)
1008 		ins->scb_highest_frag_index = index;
1009 
1010 	if (index == ins->nscb)
1011 		ins->nscb++;
1012 
1013 	return desc;
1014 }
1015 
1016 static struct dsp_task_descriptor *
1017 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
1018 {
1019 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1020 	struct dsp_task_descriptor * desc = NULL;
1021 
1022 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1023 		dev_err(chip->card->dev,
1024 			"dsp_spos: got no place for other TASK\n");
1025 		return NULL;
1026 	}
1027 
1028 	if (name)
1029 		strcpy(ins->tasks[ins->ntask].task_name, name);
1030 	else
1031 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1032 	ins->tasks[ins->ntask].address = dest;
1033 	ins->tasks[ins->ntask].size = size;
1034 
1035 	/* quick find in list */
1036 	ins->tasks[ins->ntask].index = ins->ntask;
1037 	desc = (ins->tasks + ins->ntask);
1038 	ins->ntask++;
1039 
1040 	if (name)
1041 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1042 	return desc;
1043 }
1044 
1045 #define SCB_BYTES	(0x10 * 4)
1046 
1047 struct dsp_scb_descriptor *
1048 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1049 {
1050 	struct dsp_scb_descriptor * desc;
1051 
1052 #ifdef CONFIG_PM_SLEEP
1053 	/* copy the data for resume */
1054 	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1055 	if (!scb_data)
1056 		return NULL;
1057 #endif
1058 
1059 	desc = _map_scb (chip,name,dest);
1060 	if (desc) {
1061 		desc->data = scb_data;
1062 		_dsp_create_scb(chip,scb_data,dest);
1063 	} else {
1064 		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
1065 #ifdef CONFIG_PM_SLEEP
1066 		kfree(scb_data);
1067 #endif
1068 	}
1069 
1070 	return desc;
1071 }
1072 
1073 
1074 static struct dsp_task_descriptor *
1075 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1076 			     u32 dest, int size)
1077 {
1078 	struct dsp_task_descriptor * desc;
1079 
1080 	desc = _map_task_tree (chip,name,dest,size);
1081 	if (desc) {
1082 		desc->data = task_data;
1083 		_dsp_create_task_tree(chip,task_data,dest,size);
1084 	} else {
1085 		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1086 	}
1087 
1088 	return desc;
1089 }
1090 
1091 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1092 {
1093 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1094 	struct dsp_symbol_entry * fg_task_tree_header_code;
1095 	struct dsp_symbol_entry * task_tree_header_code;
1096 	struct dsp_symbol_entry * task_tree_thread;
1097 	struct dsp_symbol_entry * null_algorithm;
1098 	struct dsp_symbol_entry * magic_snoop_task;
1099 
1100 	struct dsp_scb_descriptor * timing_master_scb;
1101 	struct dsp_scb_descriptor * codec_out_scb;
1102 	struct dsp_scb_descriptor * codec_in_scb;
1103 	struct dsp_scb_descriptor * src_task_scb;
1104 	struct dsp_scb_descriptor * master_mix_scb;
1105 	struct dsp_scb_descriptor * rear_mix_scb;
1106 	struct dsp_scb_descriptor * record_mix_scb;
1107 	struct dsp_scb_descriptor * write_back_scb;
1108 	struct dsp_scb_descriptor * vari_decimate_scb;
1109 	struct dsp_scb_descriptor * rear_codec_out_scb;
1110 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1111 	struct dsp_scb_descriptor * magic_snoop_scb;
1112 
1113 	int fifo_addr, fifo_span, valid_slots;
1114 
1115 	static struct dsp_spos_control_block sposcb = {
1116 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1117 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1118 		/* 2 */ DSP_SPOS_DC,0,
1119 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1120 		/* 4 */ 0,0,
1121 		/* 5 */ DSP_SPOS_UU,0,
1122 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1123 		/* 7 */ 0,0,
1124 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1125 		/* 9 */ 0,
1126 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1127 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1128 		/* C */ DSP_SPOS_DC_DC,
1129 		/* D */ DSP_SPOS_DC_DC,
1130 		/* E */ DSP_SPOS_DC_DC,
1131 		/* F */ DSP_SPOS_DC_DC
1132 	};
1133 
1134 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1135 
1136 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1137 	if (null_algorithm == NULL) {
1138 		dev_err(chip->card->dev,
1139 			"dsp_spos: symbol NULLALGORITHM not found\n");
1140 		return -EIO;
1141 	}
1142 
1143 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1144 	if (fg_task_tree_header_code == NULL) {
1145 		dev_err(chip->card->dev,
1146 			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1147 		return -EIO;
1148 	}
1149 
1150 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1151 	if (task_tree_header_code == NULL) {
1152 		dev_err(chip->card->dev,
1153 			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1154 		return -EIO;
1155 	}
1156 
1157 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1158 	if (task_tree_thread == NULL) {
1159 		dev_err(chip->card->dev,
1160 			"dsp_spos: symbol TASKTREETHREAD not found\n");
1161 		return -EIO;
1162 	}
1163 
1164 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1165 	if (magic_snoop_task == NULL) {
1166 		dev_err(chip->card->dev,
1167 			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1168 		return -EIO;
1169 	}
1170 
1171 	{
1172 		/* create the null SCB */
1173 		static struct dsp_generic_scb null_scb = {
1174 			{ 0, 0, 0, 0 },
1175 			{ 0, 0, 0, 0, 0 },
1176 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1177 			0, 0, 0, 0, 0,
1178 			{
1179 				0,0,
1180 				0,0,
1181 			}
1182 		};
1183 
1184 		null_scb.entry_point = null_algorithm->address;
1185 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1186 		ins->the_null_scb->task_entry = null_algorithm;
1187 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1188 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1189 		ins->the_null_scb->parent_scb_ptr = NULL;
1190 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1191 	}
1192 
1193 	{
1194 		/* setup foreground task tree */
1195 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1196 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1197 			  DSP_SPOS_DC_DC,
1198 			  DSP_SPOS_DC_DC,
1199 			  0x0000,DSP_SPOS_DC,
1200 			  DSP_SPOS_DC, DSP_SPOS_DC,
1201 			  DSP_SPOS_DC_DC,
1202 			  DSP_SPOS_DC_DC,
1203 			  DSP_SPOS_DC_DC,
1204 			  DSP_SPOS_DC,DSP_SPOS_DC },
1205 
1206 			{
1207 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1208 				0,
1209 				FG_TASK_HEADER_ADDR + TCBData,
1210 			},
1211 
1212 			{
1213 				4,0,
1214 				1,0,
1215 				2,SPOSCB_ADDR + HFGFlags,
1216 				0,0,
1217 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1218 			},
1219 
1220 			{
1221 				DSP_SPOS_DC,0,
1222 				DSP_SPOS_DC,DSP_SPOS_DC,
1223 				DSP_SPOS_DC,DSP_SPOS_DC,
1224 				DSP_SPOS_DC,DSP_SPOS_DC,
1225 				DSP_SPOS_DC,DSP_SPOS_DC,
1226 				DSP_SPOS_DCDC,
1227 				DSP_SPOS_UU,1,
1228 				DSP_SPOS_DCDC,
1229 				DSP_SPOS_DCDC,
1230 				DSP_SPOS_DCDC,
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 			},
1257 			{
1258 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1259 				0,0
1260 			}
1261 		};
1262 
1263 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1264 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1265 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1266 	}
1267 
1268 
1269 	{
1270 		/* setup foreground task tree */
1271 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1272 			{ DSP_SPOS_DC_DC,
1273 			  DSP_SPOS_DC_DC,
1274 			  DSP_SPOS_DC_DC,
1275 			  DSP_SPOS_DC, DSP_SPOS_DC,
1276 			  DSP_SPOS_DC, DSP_SPOS_DC,
1277 			  DSP_SPOS_DC_DC,
1278 			  DSP_SPOS_DC_DC,
1279 			  DSP_SPOS_DC_DC,
1280 			  DSP_SPOS_DC,DSP_SPOS_DC },
1281 
1282 			{
1283 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1284 				0,
1285 				BG_TREE_SCB_ADDR + TCBData,
1286 			},
1287 
1288 			{
1289 				9999,0,
1290 				0,1,
1291 				0,SPOSCB_ADDR + HFGFlags,
1292 				0,0,
1293 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1294 			},
1295 
1296 			{
1297 				DSP_SPOS_DC,0,
1298 				DSP_SPOS_DC,DSP_SPOS_DC,
1299 				DSP_SPOS_DC,DSP_SPOS_DC,
1300 				DSP_SPOS_DC,DSP_SPOS_DC,
1301 				DSP_SPOS_DC,DSP_SPOS_DC,
1302 				DSP_SPOS_DCDC,
1303 				DSP_SPOS_UU,1,
1304 				DSP_SPOS_DCDC,
1305 				DSP_SPOS_DCDC,
1306 				DSP_SPOS_DCDC,
1307 				DSP_SPOS_DCDC,
1308 				DSP_SPOS_DCDC,
1309 				DSP_SPOS_DCDC,
1310 				DSP_SPOS_DCDC,
1311 				DSP_SPOS_DCDC,
1312 				DSP_SPOS_DCDC,
1313 				DSP_SPOS_DCDC,
1314 				DSP_SPOS_DCDC,
1315 				DSP_SPOS_DCDC,
1316 				DSP_SPOS_DCDC,
1317 				DSP_SPOS_DCDC,
1318 				DSP_SPOS_DCDC,
1319 				DSP_SPOS_DCDC,
1320 				DSP_SPOS_DCDC,
1321 				DSP_SPOS_DCDC,
1322 				DSP_SPOS_DCDC,
1323 				DSP_SPOS_DCDC,
1324 				DSP_SPOS_DCDC,
1325 				DSP_SPOS_DCDC,
1326 				DSP_SPOS_DCDC,
1327 				DSP_SPOS_DCDC,
1328 				DSP_SPOS_DCDC,
1329 				DSP_SPOS_DCDC,
1330 				DSP_SPOS_DCDC,
1331 				DSP_SPOS_DCDC
1332 			},
1333 			{
1334 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1335 				0,0
1336 			}
1337 		};
1338 
1339 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1340 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1341 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1342 	}
1343 
1344 	/* create timing master SCB */
1345 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1346 
1347 	/* create the CODEC output task */
1348 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1349 							MASTERMIX_SCB_ADDR,
1350 							CODECOUT_SCB_ADDR,timing_master_scb,
1351 							SCB_ON_PARENT_SUBLIST_SCB);
1352 
1353 	if (!codec_out_scb) goto _fail_end;
1354 	/* create the master mix SCB */
1355 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1356 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1357 							codec_out_scb,
1358 							SCB_ON_PARENT_SUBLIST_SCB);
1359 	ins->master_mix_scb = master_mix_scb;
1360 
1361 	if (!master_mix_scb) goto _fail_end;
1362 
1363 	/* create codec in */
1364 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1365 						      CODEC_INPUT_BUF1,
1366 						      CODECIN_SCB_ADDR,codec_out_scb,
1367 						      SCB_ON_PARENT_NEXT_SCB);
1368 	if (!codec_in_scb) goto _fail_end;
1369 	ins->codec_in_scb = codec_in_scb;
1370 
1371 	/* create write back scb */
1372 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1373 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1374 							      WRITEBACK_SCB_ADDR,
1375 							      timing_master_scb,
1376 							      SCB_ON_PARENT_NEXT_SCB);
1377 	if (!write_back_scb) goto _fail_end;
1378 
1379 	{
1380 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1381 			0x00020000,
1382 			0x0000ffff
1383 		};
1384 
1385 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1386 						 (u32 *)&mix2_ostream_spb,
1387 						 WRITE_BACK_SPB, 2))
1388 			goto _fail_end;
1389 	}
1390 
1391 	/* input sample converter */
1392 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1393 								VARI_DECIMATE_BUF0,
1394 								VARI_DECIMATE_BUF1,
1395 								VARIDECIMATE_SCB_ADDR,
1396 								write_back_scb,
1397 								SCB_ON_PARENT_SUBLIST_SCB);
1398 	if (!vari_decimate_scb) goto _fail_end;
1399 
1400 	/* create the record mixer SCB */
1401 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1402 							MIX_SAMPLE_BUF2,
1403 							RECORD_MIXER_SCB_ADDR,
1404 							vari_decimate_scb,
1405 							SCB_ON_PARENT_SUBLIST_SCB);
1406 	ins->record_mixer_scb = record_mix_scb;
1407 
1408 	if (!record_mix_scb) goto _fail_end;
1409 
1410 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1411 
1412 	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1413 		goto _fail_end;
1414 
1415 	if (chip->nr_ac97_codecs == 1) {
1416 		/* output on slot 5 and 11
1417 		   on primary CODEC */
1418 		fifo_addr = 0x20;
1419 		fifo_span = 0x60;
1420 
1421 		/* enable slot 5 and 11 */
1422 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1423 	} else {
1424 		/* output on slot 7 and 8
1425 		   on secondary CODEC */
1426 		fifo_addr = 0x40;
1427 		fifo_span = 0x10;
1428 
1429 		/* enable slot 7 and 8 */
1430 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1431 	}
1432 	/* create CODEC tasklet for rear speakers output*/
1433 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1434 							     REAR_MIXER_SCB_ADDR,
1435 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1436 							     SCB_ON_PARENT_NEXT_SCB);
1437 	if (!rear_codec_out_scb) goto _fail_end;
1438 
1439 
1440 	/* create the rear PCM channel  mixer SCB */
1441 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1442 						      MIX_SAMPLE_BUF3,
1443 						      REAR_MIXER_SCB_ADDR,
1444 						      rear_codec_out_scb,
1445 						      SCB_ON_PARENT_SUBLIST_SCB);
1446 	ins->rear_mix_scb = rear_mix_scb;
1447 	if (!rear_mix_scb) goto _fail_end;
1448 
1449 	if (chip->nr_ac97_codecs == 2) {
1450 		/* create CODEC tasklet for rear Center/LFE output
1451 		   slot 6 and 9 on secondary CODEC */
1452 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1453 								     CLFE_MIXER_SCB_ADDR,
1454 								     CLFE_CODEC_SCB_ADDR,
1455 								     rear_codec_out_scb,
1456 								     SCB_ON_PARENT_NEXT_SCB);
1457 		if (!clfe_codec_out_scb) goto _fail_end;
1458 
1459 
1460 		/* create the rear PCM channel  mixer SCB */
1461 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1462 									 MIX_SAMPLE_BUF4,
1463 									 CLFE_MIXER_SCB_ADDR,
1464 									 clfe_codec_out_scb,
1465 									 SCB_ON_PARENT_SUBLIST_SCB);
1466 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1467 
1468 		/* enable slot 6 and 9 */
1469 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1470 	} else {
1471 		clfe_codec_out_scb = rear_codec_out_scb;
1472 		ins->center_lfe_mix_scb = rear_mix_scb;
1473 	}
1474 
1475 	/* enable slots depending on CODEC configuration */
1476 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1477 
1478 	/* the magic snooper */
1479 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1480 							     OUTPUT_SNOOP_BUFFER,
1481 							     codec_out_scb,
1482 							     clfe_codec_out_scb,
1483 							     SCB_ON_PARENT_NEXT_SCB);
1484 
1485 
1486 	if (!magic_snoop_scb) goto _fail_end;
1487 	ins->ref_snoop_scb = magic_snoop_scb;
1488 
1489 	/* SP IO access */
1490 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1491 					      magic_snoop_scb,
1492 					      SCB_ON_PARENT_NEXT_SCB))
1493 		goto _fail_end;
1494 
1495 	/* SPDIF input sampel rate converter */
1496 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1497 						      ins->spdif_in_sample_rate,
1498 						      SRC_OUTPUT_BUF1,
1499 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1500 						      master_mix_scb,
1501 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1502 
1503 	if (!src_task_scb) goto _fail_end;
1504 	cs46xx_src_unlink(chip,src_task_scb);
1505 
1506 	/* NOTE: when we now how to detect the SPDIF input
1507 	   sample rate we will use this SRC to adjust it */
1508 	ins->spdif_in_src = src_task_scb;
1509 
1510 	cs46xx_dsp_async_init(chip,timing_master_scb);
1511 	return 0;
1512 
1513  _fail_end:
1514 	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1515 	return -EINVAL;
1516 }
1517 
1518 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1519 				  struct dsp_scb_descriptor * fg_entry)
1520 {
1521 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1522 	struct dsp_symbol_entry * s16_async_codec_input_task;
1523 	struct dsp_symbol_entry * spdifo_task;
1524 	struct dsp_symbol_entry * spdifi_task;
1525 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1526 
1527 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1528 	if (s16_async_codec_input_task == NULL) {
1529 		dev_err(chip->card->dev,
1530 			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1531 		return -EIO;
1532 	}
1533 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1534 	if (spdifo_task == NULL) {
1535 		dev_err(chip->card->dev,
1536 			"dsp_spos: symbol SPDIFOTASK not found\n");
1537 		return -EIO;
1538 	}
1539 
1540 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1541 	if (spdifi_task == NULL) {
1542 		dev_err(chip->card->dev,
1543 			"dsp_spos: symbol SPDIFITASK not found\n");
1544 		return -EIO;
1545 	}
1546 
1547 	{
1548 		/* 0xBC0 */
1549 		struct dsp_spdifoscb spdifo_scb = {
1550 			/* 0 */ DSP_SPOS_UUUU,
1551 			{
1552 				/* 1 */ 0xb0,
1553 				/* 2 */ 0,
1554 				/* 3 */ 0,
1555 				/* 4 */ 0,
1556 			},
1557 			/* NOTE: the SPDIF output task read samples in mono
1558 			   format, the AsynchFGTxSCB task writes to buffer
1559 			   in stereo format
1560 			*/
1561 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1562 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1563 			/* 7 */ 0,0,
1564 			/* 8 */ 0,
1565 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1566 			/* A */ spdifo_task->address,
1567 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1568 			{
1569 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1570 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1571 			},
1572 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1573 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1574 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1575 		};
1576 
1577 		/* 0xBB0 */
1578 		struct dsp_spdifiscb spdifi_scb = {
1579 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1580 			/* 1 */ 0,
1581 			/* 2 */ 0,
1582 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1583 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1584 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1585 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1586 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1587 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1588 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1589 			/* A */ spdifi_task->address,
1590 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1591 			/* NOTE: The SPDIF input task write the sample in mono
1592 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1593 			   them in stereo
1594 			*/
1595 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1596 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1597 			/* D */ 0x8048,0,
1598 			/* E */ 0x01f0,0x0001,
1599 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1600 		};
1601 
1602 		/* 0xBA0 */
1603 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1604 			/* 0 */ DSP_SPOS_UUUU,
1605 			/* 1 */ 0,
1606 			/* 2 */ 0,
1607 			/* 3 */ 1,4000,
1608 			/* 4 */ 0x0118,0x0001,
1609 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1610 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1611 			/* 7 */ DSP_SPOS_UU,0x3,
1612 			/* 8 */ DSP_SPOS_UUUU,
1613 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1614 			/* A */ s16_async_codec_input_task->address,
1615 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1616 
1617 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1618 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1619 
1620 #ifdef UseASER1Input
1621 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1622 			   Init. 0000:8042: for ASER1
1623 			   0000:8044: for ASER2 */
1624 			/* D */ 0x8042,0,
1625 
1626 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1627 			   Init 1 stero:8050 ASER1
1628 			   Init 0  mono:8070 ASER2
1629 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1630 			/* E */ 0x0100,0x0001,
1631 
1632 #endif
1633 
1634 #ifdef UseASER2Input
1635 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1636 			   Init. 0000:8042: for ASER1
1637 			   0000:8044: for ASER2 */
1638 			/* D */ 0x8044,0,
1639 
1640 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1641 			   Init 1 stero:8050 ASER1
1642 			   Init 0  mono:8070 ASER2
1643 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1644 			/* E */ 0x0110,0x0001,
1645 
1646 #endif
1647 
1648 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1649 			   AsyncCIOutputBufModulo: The modulo size for
1650 			   the output buffer of this task */
1651 			/* F */ 0, /* DSP_SPOS_UUUU */
1652 		};
1653 
1654 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1655 
1656 		if (snd_BUG_ON(!spdifo_scb_desc))
1657 			return -EIO;
1658 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1659 		if (snd_BUG_ON(!spdifi_scb_desc))
1660 			return -EIO;
1661 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1662 		if (snd_BUG_ON(!async_codec_scb_desc))
1663 			return -EIO;
1664 
1665 		async_codec_scb_desc->parent_scb_ptr = NULL;
1666 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1667 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1668 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1669 
1670 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1671 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1672 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1673 		spdifi_scb_desc->task_entry = spdifi_task;
1674 
1675 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1676 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1677 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1678 		spdifo_scb_desc->task_entry = spdifo_task;
1679 
1680 		/* this one is faked, as the parnet of SPDIFO task
1681 		   is the FG task tree */
1682 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1683 
1684 		/* for proc fs */
1685 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1686 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1687 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1688 
1689 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1690 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1691 	}
1692 
1693 	return 0;
1694 }
1695 
1696 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1697 {
1698 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1699 
1700 	/* set SPDIF output FIFO slot */
1701 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1702 
1703 	/* SPDIF output MASTER ENABLE */
1704 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1705 
1706 	/* right and left validate bit */
1707 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1708 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1709 
1710 	/* clear fifo pointer */
1711 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1712 
1713 	/* monitor state */
1714 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1715 }
1716 
1717 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1718 {
1719 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1720 
1721 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1722 	cs46xx_dsp_disable_spdif_hw (chip);
1723 	udelay(50);
1724 
1725 	/* set SPDIF output FIFO slot */
1726 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1727 
1728 	/* SPDIF output MASTER ENABLE */
1729 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1730 
1731 	/* right and left validate bit */
1732 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1733 
1734 	/* monitor state */
1735 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1736 
1737 	return 0;
1738 }
1739 
1740 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1741 {
1742 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1743 
1744 	/* turn on amplifier */
1745 	chip->active_ctrl(chip, 1);
1746 	chip->amplifier_ctrl(chip, 1);
1747 
1748 	if (snd_BUG_ON(ins->asynch_rx_scb))
1749 		return -EINVAL;
1750 	if (snd_BUG_ON(!ins->spdif_in_src))
1751 		return -EINVAL;
1752 
1753 	mutex_lock(&chip->spos_mutex);
1754 
1755 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1756 		/* time countdown enable */
1757 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1758 		/* NOTE: 80000005 value is just magic. With all values
1759 		   that I've tested this one seem to give the best result.
1760 		   Got no explication why. (Benny) */
1761 
1762 		/* SPDIF input MASTER ENABLE */
1763 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1764 
1765 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1766 	}
1767 
1768 	/* create and start the asynchronous receiver SCB */
1769 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1770 								ASYNCRX_SCB_ADDR,
1771 								SPDIFI_SCB_INST,
1772 								SPDIFI_IP_OUTPUT_BUFFER1,
1773 								ins->spdif_in_src,
1774 								SCB_ON_PARENT_SUBLIST_SCB);
1775 
1776 	spin_lock_irq(&chip->reg_lock);
1777 
1778 	/* reset SPDIF input sample buffer pointer */
1779 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1780 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1781 
1782 	/* reset FIFO ptr */
1783 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1784 	cs46xx_src_link(chip,ins->spdif_in_src);
1785 
1786 	/* unmute SRC volume */
1787 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1788 
1789 	spin_unlock_irq(&chip->reg_lock);
1790 
1791 	/* set SPDIF input sample rate and unmute
1792 	   NOTE: only 48khz support for SPDIF input this time */
1793 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1794 
1795 	/* monitor state */
1796 	ins->spdif_status_in = 1;
1797 	mutex_unlock(&chip->spos_mutex);
1798 
1799 	return 0;
1800 }
1801 
1802 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1803 {
1804 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1805 
1806 	if (snd_BUG_ON(!ins->asynch_rx_scb))
1807 		return -EINVAL;
1808 	if (snd_BUG_ON(!ins->spdif_in_src))
1809 		return -EINVAL;
1810 
1811 	mutex_lock(&chip->spos_mutex);
1812 
1813 	/* Remove the asynchronous receiver SCB */
1814 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1815 	ins->asynch_rx_scb = NULL;
1816 
1817 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1818 
1819 	/* monitor state */
1820 	ins->spdif_status_in = 0;
1821 	mutex_unlock(&chip->spos_mutex);
1822 
1823 	/* restore amplifier */
1824 	chip->active_ctrl(chip, -1);
1825 	chip->amplifier_ctrl(chip, -1);
1826 
1827 	return 0;
1828 }
1829 
1830 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1831 {
1832 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1833 
1834 	if (snd_BUG_ON(ins->pcm_input))
1835 		return -EINVAL;
1836 	if (snd_BUG_ON(!ins->ref_snoop_scb))
1837 		return -EINVAL;
1838 
1839 	mutex_lock(&chip->spos_mutex);
1840 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1841                                                   "PCMSerialInput_Wave");
1842 	mutex_unlock(&chip->spos_mutex);
1843 
1844 	return 0;
1845 }
1846 
1847 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1848 {
1849 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1850 
1851 	if (snd_BUG_ON(!ins->pcm_input))
1852 		return -EINVAL;
1853 
1854 	mutex_lock(&chip->spos_mutex);
1855 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1856 	ins->pcm_input = NULL;
1857 	mutex_unlock(&chip->spos_mutex);
1858 
1859 	return 0;
1860 }
1861 
1862 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1863 {
1864 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1865 
1866 	if (snd_BUG_ON(ins->adc_input))
1867 		return -EINVAL;
1868 	if (snd_BUG_ON(!ins->codec_in_scb))
1869 		return -EINVAL;
1870 
1871 	mutex_lock(&chip->spos_mutex);
1872 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1873 						  "PCMSerialInput_ADC");
1874 	mutex_unlock(&chip->spos_mutex);
1875 
1876 	return 0;
1877 }
1878 
1879 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1880 {
1881 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1882 
1883 	if (snd_BUG_ON(!ins->adc_input))
1884 		return -EINVAL;
1885 
1886 	mutex_lock(&chip->spos_mutex);
1887 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1888 	ins->adc_input = NULL;
1889 	mutex_unlock(&chip->spos_mutex);
1890 
1891 	return 0;
1892 }
1893 
1894 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1895 {
1896 	u32 temp;
1897 	int  i;
1898 
1899 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1900 	   a rough guess from looking at the controller spec.) */
1901 	if (address < 0x8000 || address >= 0x9000)
1902 		return -EINVAL;
1903 
1904 	/* initialize the SP_IO_WRITE SCB with the data. */
1905 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1906 
1907 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1908 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1909 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1910 
1911 	/* Poke this location to tell the task to start */
1912 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1913 
1914 	/* Verify that the task ran */
1915 	for (i=0; i<25; i++) {
1916 		udelay(125);
1917 
1918 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1919 		if (temp == 0x00000000)
1920 			break;
1921 	}
1922 
1923 	if (i == 25) {
1924 		dev_err(chip->card->dev,
1925 			"dsp_spos: SPIOWriteTask not responding\n");
1926 		return -EBUSY;
1927 	}
1928 
1929 	return 0;
1930 }
1931 
1932 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1933 {
1934 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1935 	struct dsp_scb_descriptor * scb;
1936 
1937 	mutex_lock(&chip->spos_mutex);
1938 
1939 	/* main output */
1940 	scb = ins->master_mix_scb->sub_list_ptr;
1941 	while (scb != ins->the_null_scb) {
1942 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1943 		scb = scb->next_scb_ptr;
1944 	}
1945 
1946 	/* rear output */
1947 	scb = ins->rear_mix_scb->sub_list_ptr;
1948 	while (scb != ins->the_null_scb) {
1949 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1950 		scb = scb->next_scb_ptr;
1951 	}
1952 
1953 	ins->dac_volume_left = left;
1954 	ins->dac_volume_right = right;
1955 
1956 	mutex_unlock(&chip->spos_mutex);
1957 
1958 	return 0;
1959 }
1960 
1961 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1962 {
1963 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1964 
1965 	mutex_lock(&chip->spos_mutex);
1966 
1967 	if (ins->asynch_rx_scb != NULL)
1968 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1969 					   left,right);
1970 
1971 	ins->spdif_input_volume_left = left;
1972 	ins->spdif_input_volume_right = right;
1973 
1974 	mutex_unlock(&chip->spos_mutex);
1975 
1976 	return 0;
1977 }
1978 
1979 #ifdef CONFIG_PM_SLEEP
1980 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1981 {
1982 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1983 	int i, err;
1984 
1985 	/* clear parameter, sample and code areas */
1986 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1987 			     DSP_PARAMETER_BYTE_SIZE);
1988 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1989 			     DSP_SAMPLE_BYTE_SIZE);
1990 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1991 
1992 	for (i = 0; i < ins->nmodules; i++) {
1993 		struct dsp_module_desc *module = &ins->modules[i];
1994 		struct dsp_segment_desc *seg;
1995 		u32 doffset, dsize;
1996 
1997 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1998 		err = dsp_load_parameter(chip, seg);
1999 		if (err < 0)
2000 			return err;
2001 
2002 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
2003 		err = dsp_load_sample(chip, seg);
2004 		if (err < 0)
2005 			return err;
2006 
2007 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
2008 		if (!seg)
2009 			continue;
2010 
2011 		doffset = seg->offset * 4 + module->load_address * 4
2012 			+ DSP_CODE_BYTE_OFFSET;
2013 		dsize   = seg->size * 4;
2014 		err = snd_cs46xx_download(chip,
2015 					  ins->code.data + module->load_address,
2016 					  doffset, dsize);
2017 		if (err < 0)
2018 			return err;
2019 	}
2020 
2021 	for (i = 0; i < ins->ntask; i++) {
2022 		struct dsp_task_descriptor *t = &ins->tasks[i];
2023 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
2024 	}
2025 
2026 	for (i = 0; i < ins->nscb; i++) {
2027 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2028 		if (s->deleted)
2029 			continue;
2030 		_dsp_create_scb(chip, s->data, s->address);
2031 	}
2032 	for (i = 0; i < ins->nscb; i++) {
2033 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2034 		if (s->deleted)
2035 			continue;
2036 		if (s->updated)
2037 			cs46xx_dsp_spos_update_scb(chip, s);
2038 		if (s->volume_set)
2039 			cs46xx_dsp_scb_set_volume(chip, s,
2040 						  s->volume[0], s->volume[1]);
2041 	}
2042 	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2043 		cs46xx_dsp_enable_spdif_hw(chip);
2044 		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2045 				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2046 		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2047 			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2048 					    ins->spdif_csuv_stream);
2049 	}
2050 	if (chip->dsp_spos_instance->spdif_status_in) {
2051 		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2052 		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2053 	}
2054 	return 0;
2055 }
2056 #endif
2057