xref: /openbmc/linux/sound/pci/cs46xx/dsp_spos.c (revision 2359ccdd)
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 = vmalloc(sizeof(struct dsp_symbol_entry) *
244 					    DSP_MAX_SYMBOLS);
245 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
246 	ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
247 	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
248 		cs46xx_dsp_spos_destroy(chip);
249 		goto error;
250 	}
251 	ins->symbol_table.nsymbols = 0;
252 	ins->symbol_table.highest_frag_index = 0;
253 	ins->code.offset = 0;
254 	ins->code.size = 0;
255 	ins->nscb = 0;
256 	ins->ntask = 0;
257 	ins->nmodules = 0;
258 
259 	/* default SPDIF input sample rate
260 	   to 48000 khz */
261 	ins->spdif_in_sample_rate = 48000;
262 
263 	/* maximize volume */
264 	ins->dac_volume_right = 0x8000;
265 	ins->dac_volume_left = 0x8000;
266 	ins->spdif_input_volume_right = 0x8000;
267 	ins->spdif_input_volume_left = 0x8000;
268 
269 	/* set left and right validity bits and
270 	   default channel status */
271 	ins->spdif_csuv_default =
272 		ins->spdif_csuv_stream =
273 	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
274 	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
275 	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
276 	 /* left and right validity bits */ (1 << 13) | (1 << 12);
277 
278 	return ins;
279 
280 error:
281 	kfree(ins->modules);
282 	kfree(ins->code.data);
283 	vfree(ins->symbol_table.symbols);
284 	kfree(ins);
285 	return NULL;
286 }
287 
288 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
289 {
290 	int i;
291 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
292 
293 	if (snd_BUG_ON(!ins))
294 		return;
295 
296 	mutex_lock(&chip->spos_mutex);
297 	for (i = 0; i < ins->nscb; ++i) {
298 		if (ins->scbs[i].deleted) continue;
299 
300 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
301 #ifdef CONFIG_PM_SLEEP
302 		kfree(ins->scbs[i].data);
303 #endif
304 	}
305 
306 	kfree(ins->code.data);
307 	vfree(ins->symbol_table.symbols);
308 	kfree(ins->modules);
309 	kfree(ins);
310 	mutex_unlock(&chip->spos_mutex);
311 }
312 
313 static int dsp_load_parameter(struct snd_cs46xx *chip,
314 			      struct dsp_segment_desc *parameter)
315 {
316 	u32 doffset, dsize;
317 
318 	if (!parameter) {
319 		dev_dbg(chip->card->dev,
320 			"dsp_spos: module got no parameter segment\n");
321 		return 0;
322 	}
323 
324 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
325 	dsize   = parameter->size * 4;
326 
327 	dev_dbg(chip->card->dev,
328 		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
329 		    doffset,doffset + dsize);
330 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
331 		dev_err(chip->card->dev,
332 			"dsp_spos: failed to download parameter data to DSP\n");
333 		return -EINVAL;
334 	}
335 	return 0;
336 }
337 
338 static int dsp_load_sample(struct snd_cs46xx *chip,
339 			   struct dsp_segment_desc *sample)
340 {
341 	u32 doffset, dsize;
342 
343 	if (!sample) {
344 		dev_dbg(chip->card->dev,
345 			"dsp_spos: module got no sample segment\n");
346 		return 0;
347 	}
348 
349 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
350 	dsize   =  sample->size * 4;
351 
352 	dev_dbg(chip->card->dev,
353 		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
354 		    doffset,doffset + dsize);
355 
356 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
357 		dev_err(chip->card->dev,
358 			"dsp_spos: failed to sample data to DSP\n");
359 		return -EINVAL;
360 	}
361 	return 0;
362 }
363 
364 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
365 {
366 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
367 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
368 	u32 doffset, dsize;
369 	int err;
370 
371 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
372 		dev_err(chip->card->dev,
373 			"dsp_spos: to many modules loaded into DSP\n");
374 		return -ENOMEM;
375 	}
376 
377 	dev_dbg(chip->card->dev,
378 		"dsp_spos: loading module %s into DSP\n", module->module_name);
379 
380 	if (ins->nmodules == 0) {
381 		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
382 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
383 	}
384 
385 	err = dsp_load_parameter(chip, get_segment_desc(module,
386 							SEGTYPE_SP_PARAMETER));
387 	if (err < 0)
388 		return err;
389 
390 	if (ins->nmodules == 0) {
391 		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
392 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
393 	}
394 
395 	err = dsp_load_sample(chip, get_segment_desc(module,
396 						     SEGTYPE_SP_SAMPLE));
397 	if (err < 0)
398 		return err;
399 
400 	if (ins->nmodules == 0) {
401 		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
402 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
403 	}
404 
405 	if (code == NULL) {
406 		dev_dbg(chip->card->dev,
407 			"dsp_spos: module got no code segment\n");
408 	} else {
409 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
410 			dev_err(chip->card->dev,
411 				"dsp_spos: no space available in DSP\n");
412 			return -ENOMEM;
413 		}
414 
415 		module->load_address = ins->code.offset;
416 		module->overlay_begin_address = 0x000;
417 
418 		/* if module has a code segment it must have
419 		   symbol table */
420 		if (snd_BUG_ON(!module->symbol_table.symbols))
421 			return -ENOMEM;
422 		if (add_symbols(chip,module)) {
423 			dev_err(chip->card->dev,
424 				"dsp_spos: failed to load symbol table\n");
425 			return -ENOMEM;
426 		}
427 
428 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
429 		dsize   = code->size * 4;
430 		dev_dbg(chip->card->dev,
431 			"dsp_spos: downloading code to chip (%08x-%08x)\n",
432 			    doffset,doffset + dsize);
433 
434 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
435 
436 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
437 			dev_err(chip->card->dev,
438 				"dsp_spos: failed to download code to DSP\n");
439 			return -EINVAL;
440 		}
441 
442 		ins->code.offset += code->size;
443 	}
444 
445 	/* NOTE: module segments and symbol table must be
446 	   statically allocated. Case that module data is
447 	   not generated by the ospparser */
448 	ins->modules[ins->nmodules] = *module;
449 	ins->nmodules++;
450 
451 	return 0;
452 }
453 
454 struct dsp_symbol_entry *
455 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
456 {
457 	int i;
458 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
459 
460 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
461 
462 		if (ins->symbol_table.symbols[i].deleted)
463 			continue;
464 
465 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
466 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
467 			return (ins->symbol_table.symbols + i);
468 		}
469 	}
470 
471 #if 0
472 	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
473 		symbol_name,symbol_type);
474 #endif
475 
476 	return NULL;
477 }
478 
479 
480 #ifdef CONFIG_SND_PROC_FS
481 static struct dsp_symbol_entry *
482 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
483 {
484 	int i;
485 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
486 
487 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
488 
489 		if (ins->symbol_table.symbols[i].deleted)
490 			continue;
491 
492 		if (ins->symbol_table.symbols[i].address == address &&
493 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
494 			return (ins->symbol_table.symbols + i);
495 		}
496 	}
497 
498 
499 	return NULL;
500 }
501 
502 
503 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
504 					       struct snd_info_buffer *buffer)
505 {
506 	struct snd_cs46xx *chip = entry->private_data;
507 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
508 	int i;
509 
510 	snd_iprintf(buffer, "SYMBOLS:\n");
511 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
512 		char *module_str = "system";
513 
514 		if (ins->symbol_table.symbols[i].deleted)
515 			continue;
516 
517 		if (ins->symbol_table.symbols[i].module != NULL) {
518 			module_str = ins->symbol_table.symbols[i].module->module_name;
519 		}
520 
521 
522 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
523 			    ins->symbol_table.symbols[i].address,
524 			    ins->symbol_table.symbols[i].symbol_type,
525 			    ins->symbol_table.symbols[i].symbol_name,
526 			    module_str);
527 	}
528 }
529 
530 
531 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
532 					  struct snd_info_buffer *buffer)
533 {
534 	struct snd_cs46xx *chip = entry->private_data;
535 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
536 	int i,j;
537 
538 	mutex_lock(&chip->spos_mutex);
539 	snd_iprintf(buffer, "MODULES:\n");
540 	for ( i = 0; i < ins->nmodules; ++i ) {
541 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
542 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
543 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
544 
545 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
546 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
547 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
548 				    desc->segment_type,desc->offset, desc->size);
549 		}
550 	}
551 	mutex_unlock(&chip->spos_mutex);
552 }
553 
554 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
555 					    struct snd_info_buffer *buffer)
556 {
557 	struct snd_cs46xx *chip = entry->private_data;
558 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
559 	int i, j, col;
560 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
561 
562 	mutex_lock(&chip->spos_mutex);
563 	snd_iprintf(buffer, "TASK TREES:\n");
564 	for ( i = 0; i < ins->ntask; ++i) {
565 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
566 
567 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
568 			u32 val;
569 			if (col == 4) {
570 				snd_iprintf(buffer,"\n");
571 				col = 0;
572 			}
573 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
574 			snd_iprintf(buffer,"%08x ",val);
575 		}
576 	}
577 
578 	snd_iprintf(buffer,"\n");
579 	mutex_unlock(&chip->spos_mutex);
580 }
581 
582 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
583 				      struct snd_info_buffer *buffer)
584 {
585 	struct snd_cs46xx *chip = entry->private_data;
586 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
587 	int i;
588 
589 	mutex_lock(&chip->spos_mutex);
590 	snd_iprintf(buffer, "SCB's:\n");
591 	for ( i = 0; i < ins->nscb; ++i) {
592 		if (ins->scbs[i].deleted)
593 			continue;
594 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
595 
596 		if (ins->scbs[i].parent_scb_ptr != NULL) {
597 			snd_iprintf(buffer,"parent [%s:%04x] ",
598 				    ins->scbs[i].parent_scb_ptr->scb_name,
599 				    ins->scbs[i].parent_scb_ptr->address);
600 		} else snd_iprintf(buffer,"parent [none] ");
601 
602 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
603 			    ins->scbs[i].sub_list_ptr->scb_name,
604 			    ins->scbs[i].sub_list_ptr->address,
605 			    ins->scbs[i].next_scb_ptr->scb_name,
606 			    ins->scbs[i].next_scb_ptr->address,
607 			    ins->scbs[i].task_entry->symbol_name,
608 			    ins->scbs[i].task_entry->address);
609 	}
610 
611 	snd_iprintf(buffer,"\n");
612 	mutex_unlock(&chip->spos_mutex);
613 }
614 
615 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
616 						 struct snd_info_buffer *buffer)
617 {
618 	struct snd_cs46xx *chip = entry->private_data;
619 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
620 	unsigned int i, col = 0;
621 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
622 	struct dsp_symbol_entry * symbol;
623 
624 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
625 		if (col == 4) {
626 			snd_iprintf(buffer,"\n");
627 			col = 0;
628 		}
629 
630 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
631 			col = 0;
632 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
633 		}
634 
635 		if (col == 0) {
636 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
637 		}
638 
639 		snd_iprintf(buffer,"%08X ",readl(dst + i));
640 	}
641 }
642 
643 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
644 					      struct snd_info_buffer *buffer)
645 {
646 	struct snd_cs46xx *chip = entry->private_data;
647 	int i,col = 0;
648 	void __iomem *dst = chip->region.idx[2].remap_addr;
649 
650 	snd_iprintf(buffer,"PCMREADER:\n");
651 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
652 		if (col == 4) {
653 			snd_iprintf(buffer,"\n");
654 			col = 0;
655 		}
656 
657 		if (col == 0) {
658 			snd_iprintf(buffer, "%04X ",i);
659 		}
660 
661 		snd_iprintf(buffer,"%08X ",readl(dst + i));
662 	}
663 
664 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
665 
666 	col = 0;
667 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
668 		if (col == 4) {
669 			snd_iprintf(buffer,"\n");
670 			col = 0;
671 		}
672 
673 		if (col == 0) {
674 			snd_iprintf(buffer, "%04X ",i);
675 		}
676 
677 		snd_iprintf(buffer,"%08X ",readl(dst + i));
678 	}
679 
680 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
681 	col = 0;
682 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
683 		if (col == 4) {
684 			snd_iprintf(buffer,"\n");
685 			col = 0;
686 		}
687 
688 		if (col == 0) {
689 			snd_iprintf(buffer, "%04X ",i);
690 		}
691 
692 		snd_iprintf(buffer,"%08X ",readl(dst + i));
693 	}
694 
695 
696 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
697 	col = 0;
698 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
699 		if (col == 4) {
700 			snd_iprintf(buffer,"\n");
701 			col = 0;
702 		}
703 
704 		if (col == 0) {
705 			snd_iprintf(buffer, "%04X ",i);
706 		}
707 
708 		snd_iprintf(buffer,"%08X ",readl(dst + i));
709 	}
710 
711 	snd_iprintf(buffer,"\n...\n");
712 	col = 0;
713 
714 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
715 		if (col == 4) {
716 			snd_iprintf(buffer,"\n");
717 			col = 0;
718 		}
719 
720 		if (col == 0) {
721 			snd_iprintf(buffer, "%04X ",i);
722 		}
723 
724 		snd_iprintf(buffer,"%08X ",readl(dst + i));
725 	}
726 
727 
728 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
729 	col = 0;
730 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
731 		if (col == 4) {
732 			snd_iprintf(buffer,"\n");
733 			col = 0;
734 		}
735 
736 		if (col == 0) {
737 			snd_iprintf(buffer, "%04X ",i);
738 		}
739 
740 		snd_iprintf(buffer,"%08X ",readl(dst + i));
741 	}
742 
743 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
744 	col = 0;
745 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
746 		if (col == 4) {
747 			snd_iprintf(buffer,"\n");
748 			col = 0;
749 		}
750 
751 		if (col == 0) {
752 			snd_iprintf(buffer, "%04X ",i);
753 		}
754 
755 		snd_iprintf(buffer,"%08X ",readl(dst + i));
756 	}
757 #if 0
758 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
759 	col = 0;
760 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
761 		if (col == 4) {
762 			snd_iprintf(buffer,"\n");
763 			col = 0;
764 		}
765 
766 		if (col == 0) {
767 			snd_iprintf(buffer, "%04X ",i);
768 		}
769 
770 		snd_iprintf(buffer,"%08X ",readl(dst + i));
771 	}
772 #endif
773 
774 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
775 	col = 0;
776 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
777 		if (col == 4) {
778 			snd_iprintf(buffer,"\n");
779 			col = 0;
780 		}
781 
782 		if (col == 0) {
783 			snd_iprintf(buffer, "%04X ",i);
784 		}
785 
786 		snd_iprintf(buffer,"%08X ",readl(dst + i));
787 	}
788 	snd_iprintf(buffer,"\n");
789 }
790 
791 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
792 {
793 	struct snd_info_entry *entry;
794 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
795 	int i;
796 
797 	ins->snd_card = card;
798 
799 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
800 		entry->content = SNDRV_INFO_CONTENT_TEXT;
801 		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
802 
803 		if (snd_info_register(entry) < 0) {
804 			snd_info_free_entry(entry);
805 			entry = NULL;
806 		}
807 	}
808 
809 	ins->proc_dsp_dir = entry;
810 
811 	if (!ins->proc_dsp_dir)
812 		return -ENOMEM;
813 
814 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
815 		entry->content = SNDRV_INFO_CONTENT_TEXT;
816 		entry->private_data = chip;
817 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
818 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
819 		if (snd_info_register(entry) < 0) {
820 			snd_info_free_entry(entry);
821 			entry = NULL;
822 		}
823 	}
824 	ins->proc_sym_info_entry = entry;
825 
826 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
827 		entry->content = SNDRV_INFO_CONTENT_TEXT;
828 		entry->private_data = chip;
829 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
830 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
831 		if (snd_info_register(entry) < 0) {
832 			snd_info_free_entry(entry);
833 			entry = NULL;
834 		}
835 	}
836 	ins->proc_modules_info_entry = entry;
837 
838 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
839 		entry->content = SNDRV_INFO_CONTENT_TEXT;
840 		entry->private_data = chip;
841 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
842 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
843 		if (snd_info_register(entry) < 0) {
844 			snd_info_free_entry(entry);
845 			entry = NULL;
846 		}
847 	}
848 	ins->proc_parameter_dump_info_entry = entry;
849 
850 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
851 		entry->content = SNDRV_INFO_CONTENT_TEXT;
852 		entry->private_data = chip;
853 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
854 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
855 		if (snd_info_register(entry) < 0) {
856 			snd_info_free_entry(entry);
857 			entry = NULL;
858 		}
859 	}
860 	ins->proc_sample_dump_info_entry = entry;
861 
862 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
863 		entry->content = SNDRV_INFO_CONTENT_TEXT;
864 		entry->private_data = chip;
865 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
866 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
867 		if (snd_info_register(entry) < 0) {
868 			snd_info_free_entry(entry);
869 			entry = NULL;
870 		}
871 	}
872 	ins->proc_task_info_entry = entry;
873 
874 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
875 		entry->content = SNDRV_INFO_CONTENT_TEXT;
876 		entry->private_data = chip;
877 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
878 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
879 		if (snd_info_register(entry) < 0) {
880 			snd_info_free_entry(entry);
881 			entry = NULL;
882 		}
883 	}
884 	ins->proc_scb_info_entry = entry;
885 
886 	mutex_lock(&chip->spos_mutex);
887 	/* register/update SCB's entries on proc */
888 	for (i = 0; i < ins->nscb; ++i) {
889 		if (ins->scbs[i].deleted) continue;
890 
891 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
892 	}
893 	mutex_unlock(&chip->spos_mutex);
894 
895 	return 0;
896 }
897 
898 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
899 {
900 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
901 	int i;
902 
903 	snd_info_free_entry(ins->proc_sym_info_entry);
904 	ins->proc_sym_info_entry = NULL;
905 
906 	snd_info_free_entry(ins->proc_modules_info_entry);
907 	ins->proc_modules_info_entry = NULL;
908 
909 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
910 	ins->proc_parameter_dump_info_entry = NULL;
911 
912 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
913 	ins->proc_sample_dump_info_entry = NULL;
914 
915 	snd_info_free_entry(ins->proc_scb_info_entry);
916 	ins->proc_scb_info_entry = NULL;
917 
918 	snd_info_free_entry(ins->proc_task_info_entry);
919 	ins->proc_task_info_entry = NULL;
920 
921 	mutex_lock(&chip->spos_mutex);
922 	for (i = 0; i < ins->nscb; ++i) {
923 		if (ins->scbs[i].deleted) continue;
924 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
925 	}
926 	mutex_unlock(&chip->spos_mutex);
927 
928 	snd_info_free_entry(ins->proc_dsp_dir);
929 	ins->proc_dsp_dir = NULL;
930 
931 	return 0;
932 }
933 #endif /* CONFIG_SND_PROC_FS */
934 
935 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
936 				   u32  dest, int size)
937 {
938 	void __iomem *spdst = chip->region.idx[1].remap_addr +
939 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
940 	int i;
941 
942 	for (i = 0; i < size; ++i) {
943 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
944 			spdst, task_data[i]);
945 		writel(task_data[i],spdst);
946 		spdst += sizeof(u32);
947 	}
948 }
949 
950 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
951 {
952 	void __iomem *spdst = chip->region.idx[1].remap_addr +
953 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
954 	int i;
955 
956 	for (i = 0; i < 0x10; ++i) {
957 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
958 			spdst, scb_data[i]);
959 		writel(scb_data[i],spdst);
960 		spdst += sizeof(u32);
961 	}
962 }
963 
964 static int find_free_scb_index (struct dsp_spos_instance * ins)
965 {
966 	int index = ins->nscb, i;
967 
968 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
969 		if (ins->scbs[i].deleted) {
970 			index = i;
971 			break;
972 		}
973 	}
974 
975 	return index;
976 }
977 
978 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
979 {
980 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
981 	struct dsp_scb_descriptor * desc = NULL;
982 	int index;
983 
984 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
985 		dev_err(chip->card->dev,
986 			"dsp_spos: got no place for other SCB\n");
987 		return NULL;
988 	}
989 
990 	index = find_free_scb_index (ins);
991 
992 	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
993 	strcpy(ins->scbs[index].scb_name, name);
994 	ins->scbs[index].address = dest;
995 	ins->scbs[index].index = index;
996 	ins->scbs[index].ref_count = 1;
997 
998 	desc = (ins->scbs + index);
999 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
1000 
1001 	if (index > ins->scb_highest_frag_index)
1002 		ins->scb_highest_frag_index = index;
1003 
1004 	if (index == ins->nscb)
1005 		ins->nscb++;
1006 
1007 	return desc;
1008 }
1009 
1010 static struct dsp_task_descriptor *
1011 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
1012 {
1013 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1014 	struct dsp_task_descriptor * desc = NULL;
1015 
1016 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1017 		dev_err(chip->card->dev,
1018 			"dsp_spos: got no place for other TASK\n");
1019 		return NULL;
1020 	}
1021 
1022 	if (name)
1023 		strcpy(ins->tasks[ins->ntask].task_name, name);
1024 	else
1025 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1026 	ins->tasks[ins->ntask].address = dest;
1027 	ins->tasks[ins->ntask].size = size;
1028 
1029 	/* quick find in list */
1030 	ins->tasks[ins->ntask].index = ins->ntask;
1031 	desc = (ins->tasks + ins->ntask);
1032 	ins->ntask++;
1033 
1034 	if (name)
1035 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1036 	return desc;
1037 }
1038 
1039 #define SCB_BYTES	(0x10 * 4)
1040 
1041 struct dsp_scb_descriptor *
1042 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1043 {
1044 	struct dsp_scb_descriptor * desc;
1045 
1046 #ifdef CONFIG_PM_SLEEP
1047 	/* copy the data for resume */
1048 	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1049 	if (!scb_data)
1050 		return NULL;
1051 #endif
1052 
1053 	desc = _map_scb (chip,name,dest);
1054 	if (desc) {
1055 		desc->data = scb_data;
1056 		_dsp_create_scb(chip,scb_data,dest);
1057 	} else {
1058 		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
1059 #ifdef CONFIG_PM_SLEEP
1060 		kfree(scb_data);
1061 #endif
1062 	}
1063 
1064 	return desc;
1065 }
1066 
1067 
1068 static struct dsp_task_descriptor *
1069 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1070 			     u32 dest, int size)
1071 {
1072 	struct dsp_task_descriptor * desc;
1073 
1074 	desc = _map_task_tree (chip,name,dest,size);
1075 	if (desc) {
1076 		desc->data = task_data;
1077 		_dsp_create_task_tree(chip,task_data,dest,size);
1078 	} else {
1079 		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1080 	}
1081 
1082 	return desc;
1083 }
1084 
1085 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1086 {
1087 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1088 	struct dsp_symbol_entry * fg_task_tree_header_code;
1089 	struct dsp_symbol_entry * task_tree_header_code;
1090 	struct dsp_symbol_entry * task_tree_thread;
1091 	struct dsp_symbol_entry * null_algorithm;
1092 	struct dsp_symbol_entry * magic_snoop_task;
1093 
1094 	struct dsp_scb_descriptor * timing_master_scb;
1095 	struct dsp_scb_descriptor * codec_out_scb;
1096 	struct dsp_scb_descriptor * codec_in_scb;
1097 	struct dsp_scb_descriptor * src_task_scb;
1098 	struct dsp_scb_descriptor * master_mix_scb;
1099 	struct dsp_scb_descriptor * rear_mix_scb;
1100 	struct dsp_scb_descriptor * record_mix_scb;
1101 	struct dsp_scb_descriptor * write_back_scb;
1102 	struct dsp_scb_descriptor * vari_decimate_scb;
1103 	struct dsp_scb_descriptor * rear_codec_out_scb;
1104 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1105 	struct dsp_scb_descriptor * magic_snoop_scb;
1106 
1107 	int fifo_addr, fifo_span, valid_slots;
1108 
1109 	static struct dsp_spos_control_block sposcb = {
1110 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1111 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1112 		/* 2 */ DSP_SPOS_DC,0,
1113 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1114 		/* 4 */ 0,0,
1115 		/* 5 */ DSP_SPOS_UU,0,
1116 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1117 		/* 7 */ 0,0,
1118 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1119 		/* 9 */ 0,
1120 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1121 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1122 		/* C */ DSP_SPOS_DC_DC,
1123 		/* D */ DSP_SPOS_DC_DC,
1124 		/* E */ DSP_SPOS_DC_DC,
1125 		/* F */ DSP_SPOS_DC_DC
1126 	};
1127 
1128 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1129 
1130 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1131 	if (null_algorithm == NULL) {
1132 		dev_err(chip->card->dev,
1133 			"dsp_spos: symbol NULLALGORITHM not found\n");
1134 		return -EIO;
1135 	}
1136 
1137 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1138 	if (fg_task_tree_header_code == NULL) {
1139 		dev_err(chip->card->dev,
1140 			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1141 		return -EIO;
1142 	}
1143 
1144 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1145 	if (task_tree_header_code == NULL) {
1146 		dev_err(chip->card->dev,
1147 			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1148 		return -EIO;
1149 	}
1150 
1151 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1152 	if (task_tree_thread == NULL) {
1153 		dev_err(chip->card->dev,
1154 			"dsp_spos: symbol TASKTREETHREAD not found\n");
1155 		return -EIO;
1156 	}
1157 
1158 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1159 	if (magic_snoop_task == NULL) {
1160 		dev_err(chip->card->dev,
1161 			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1162 		return -EIO;
1163 	}
1164 
1165 	{
1166 		/* create the null SCB */
1167 		static struct dsp_generic_scb null_scb = {
1168 			{ 0, 0, 0, 0 },
1169 			{ 0, 0, 0, 0, 0 },
1170 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1171 			0, 0, 0, 0, 0,
1172 			{
1173 				0,0,
1174 				0,0,
1175 			}
1176 		};
1177 
1178 		null_scb.entry_point = null_algorithm->address;
1179 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1180 		ins->the_null_scb->task_entry = null_algorithm;
1181 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1182 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1183 		ins->the_null_scb->parent_scb_ptr = NULL;
1184 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1185 	}
1186 
1187 	{
1188 		/* setup foreground task tree */
1189 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1190 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1191 			  DSP_SPOS_DC_DC,
1192 			  DSP_SPOS_DC_DC,
1193 			  0x0000,DSP_SPOS_DC,
1194 			  DSP_SPOS_DC, DSP_SPOS_DC,
1195 			  DSP_SPOS_DC_DC,
1196 			  DSP_SPOS_DC_DC,
1197 			  DSP_SPOS_DC_DC,
1198 			  DSP_SPOS_DC,DSP_SPOS_DC },
1199 
1200 			{
1201 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1202 				0,
1203 				FG_TASK_HEADER_ADDR + TCBData,
1204 			},
1205 
1206 			{
1207 				4,0,
1208 				1,0,
1209 				2,SPOSCB_ADDR + HFGFlags,
1210 				0,0,
1211 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1212 			},
1213 
1214 			{
1215 				DSP_SPOS_DC,0,
1216 				DSP_SPOS_DC,DSP_SPOS_DC,
1217 				DSP_SPOS_DC,DSP_SPOS_DC,
1218 				DSP_SPOS_DC,DSP_SPOS_DC,
1219 				DSP_SPOS_DC,DSP_SPOS_DC,
1220 				DSP_SPOS_DCDC,
1221 				DSP_SPOS_UU,1,
1222 				DSP_SPOS_DCDC,
1223 				DSP_SPOS_DCDC,
1224 				DSP_SPOS_DCDC,
1225 				DSP_SPOS_DCDC,
1226 				DSP_SPOS_DCDC,
1227 				DSP_SPOS_DCDC,
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 			},
1251 			{
1252 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1253 				0,0
1254 			}
1255 		};
1256 
1257 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1258 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1259 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1260 	}
1261 
1262 
1263 	{
1264 		/* setup foreground task tree */
1265 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1266 			{ DSP_SPOS_DC_DC,
1267 			  DSP_SPOS_DC_DC,
1268 			  DSP_SPOS_DC_DC,
1269 			  DSP_SPOS_DC, DSP_SPOS_DC,
1270 			  DSP_SPOS_DC, DSP_SPOS_DC,
1271 			  DSP_SPOS_DC_DC,
1272 			  DSP_SPOS_DC_DC,
1273 			  DSP_SPOS_DC_DC,
1274 			  DSP_SPOS_DC,DSP_SPOS_DC },
1275 
1276 			{
1277 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1278 				0,
1279 				BG_TREE_SCB_ADDR + TCBData,
1280 			},
1281 
1282 			{
1283 				9999,0,
1284 				0,1,
1285 				0,SPOSCB_ADDR + HFGFlags,
1286 				0,0,
1287 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1288 			},
1289 
1290 			{
1291 				DSP_SPOS_DC,0,
1292 				DSP_SPOS_DC,DSP_SPOS_DC,
1293 				DSP_SPOS_DC,DSP_SPOS_DC,
1294 				DSP_SPOS_DC,DSP_SPOS_DC,
1295 				DSP_SPOS_DC,DSP_SPOS_DC,
1296 				DSP_SPOS_DCDC,
1297 				DSP_SPOS_UU,1,
1298 				DSP_SPOS_DCDC,
1299 				DSP_SPOS_DCDC,
1300 				DSP_SPOS_DCDC,
1301 				DSP_SPOS_DCDC,
1302 				DSP_SPOS_DCDC,
1303 				DSP_SPOS_DCDC,
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 			},
1327 			{
1328 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1329 				0,0
1330 			}
1331 		};
1332 
1333 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1334 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1335 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1336 	}
1337 
1338 	/* create timing master SCB */
1339 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1340 
1341 	/* create the CODEC output task */
1342 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1343 							MASTERMIX_SCB_ADDR,
1344 							CODECOUT_SCB_ADDR,timing_master_scb,
1345 							SCB_ON_PARENT_SUBLIST_SCB);
1346 
1347 	if (!codec_out_scb) goto _fail_end;
1348 	/* create the master mix SCB */
1349 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1350 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1351 							codec_out_scb,
1352 							SCB_ON_PARENT_SUBLIST_SCB);
1353 	ins->master_mix_scb = master_mix_scb;
1354 
1355 	if (!master_mix_scb) goto _fail_end;
1356 
1357 	/* create codec in */
1358 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1359 						      CODEC_INPUT_BUF1,
1360 						      CODECIN_SCB_ADDR,codec_out_scb,
1361 						      SCB_ON_PARENT_NEXT_SCB);
1362 	if (!codec_in_scb) goto _fail_end;
1363 	ins->codec_in_scb = codec_in_scb;
1364 
1365 	/* create write back scb */
1366 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1367 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1368 							      WRITEBACK_SCB_ADDR,
1369 							      timing_master_scb,
1370 							      SCB_ON_PARENT_NEXT_SCB);
1371 	if (!write_back_scb) goto _fail_end;
1372 
1373 	{
1374 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1375 			0x00020000,
1376 			0x0000ffff
1377 		};
1378 
1379 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1380 						 (u32 *)&mix2_ostream_spb,
1381 						 WRITE_BACK_SPB, 2))
1382 			goto _fail_end;
1383 	}
1384 
1385 	/* input sample converter */
1386 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1387 								VARI_DECIMATE_BUF0,
1388 								VARI_DECIMATE_BUF1,
1389 								VARIDECIMATE_SCB_ADDR,
1390 								write_back_scb,
1391 								SCB_ON_PARENT_SUBLIST_SCB);
1392 	if (!vari_decimate_scb) goto _fail_end;
1393 
1394 	/* create the record mixer SCB */
1395 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1396 							MIX_SAMPLE_BUF2,
1397 							RECORD_MIXER_SCB_ADDR,
1398 							vari_decimate_scb,
1399 							SCB_ON_PARENT_SUBLIST_SCB);
1400 	ins->record_mixer_scb = record_mix_scb;
1401 
1402 	if (!record_mix_scb) goto _fail_end;
1403 
1404 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1405 
1406 	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1407 		goto _fail_end;
1408 
1409 	if (chip->nr_ac97_codecs == 1) {
1410 		/* output on slot 5 and 11
1411 		   on primary CODEC */
1412 		fifo_addr = 0x20;
1413 		fifo_span = 0x60;
1414 
1415 		/* enable slot 5 and 11 */
1416 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1417 	} else {
1418 		/* output on slot 7 and 8
1419 		   on secondary CODEC */
1420 		fifo_addr = 0x40;
1421 		fifo_span = 0x10;
1422 
1423 		/* enable slot 7 and 8 */
1424 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1425 	}
1426 	/* create CODEC tasklet for rear speakers output*/
1427 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1428 							     REAR_MIXER_SCB_ADDR,
1429 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1430 							     SCB_ON_PARENT_NEXT_SCB);
1431 	if (!rear_codec_out_scb) goto _fail_end;
1432 
1433 
1434 	/* create the rear PCM channel  mixer SCB */
1435 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1436 						      MIX_SAMPLE_BUF3,
1437 						      REAR_MIXER_SCB_ADDR,
1438 						      rear_codec_out_scb,
1439 						      SCB_ON_PARENT_SUBLIST_SCB);
1440 	ins->rear_mix_scb = rear_mix_scb;
1441 	if (!rear_mix_scb) goto _fail_end;
1442 
1443 	if (chip->nr_ac97_codecs == 2) {
1444 		/* create CODEC tasklet for rear Center/LFE output
1445 		   slot 6 and 9 on secondary CODEC */
1446 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1447 								     CLFE_MIXER_SCB_ADDR,
1448 								     CLFE_CODEC_SCB_ADDR,
1449 								     rear_codec_out_scb,
1450 								     SCB_ON_PARENT_NEXT_SCB);
1451 		if (!clfe_codec_out_scb) goto _fail_end;
1452 
1453 
1454 		/* create the rear PCM channel  mixer SCB */
1455 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1456 									 MIX_SAMPLE_BUF4,
1457 									 CLFE_MIXER_SCB_ADDR,
1458 									 clfe_codec_out_scb,
1459 									 SCB_ON_PARENT_SUBLIST_SCB);
1460 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1461 
1462 		/* enable slot 6 and 9 */
1463 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1464 	} else {
1465 		clfe_codec_out_scb = rear_codec_out_scb;
1466 		ins->center_lfe_mix_scb = rear_mix_scb;
1467 	}
1468 
1469 	/* enable slots depending on CODEC configuration */
1470 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1471 
1472 	/* the magic snooper */
1473 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1474 							     OUTPUT_SNOOP_BUFFER,
1475 							     codec_out_scb,
1476 							     clfe_codec_out_scb,
1477 							     SCB_ON_PARENT_NEXT_SCB);
1478 
1479 
1480 	if (!magic_snoop_scb) goto _fail_end;
1481 	ins->ref_snoop_scb = magic_snoop_scb;
1482 
1483 	/* SP IO access */
1484 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1485 					      magic_snoop_scb,
1486 					      SCB_ON_PARENT_NEXT_SCB))
1487 		goto _fail_end;
1488 
1489 	/* SPDIF input sampel rate converter */
1490 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1491 						      ins->spdif_in_sample_rate,
1492 						      SRC_OUTPUT_BUF1,
1493 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1494 						      master_mix_scb,
1495 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1496 
1497 	if (!src_task_scb) goto _fail_end;
1498 	cs46xx_src_unlink(chip,src_task_scb);
1499 
1500 	/* NOTE: when we now how to detect the SPDIF input
1501 	   sample rate we will use this SRC to adjust it */
1502 	ins->spdif_in_src = src_task_scb;
1503 
1504 	cs46xx_dsp_async_init(chip,timing_master_scb);
1505 	return 0;
1506 
1507  _fail_end:
1508 	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1509 	return -EINVAL;
1510 }
1511 
1512 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1513 				  struct dsp_scb_descriptor * fg_entry)
1514 {
1515 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1516 	struct dsp_symbol_entry * s16_async_codec_input_task;
1517 	struct dsp_symbol_entry * spdifo_task;
1518 	struct dsp_symbol_entry * spdifi_task;
1519 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1520 
1521 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1522 	if (s16_async_codec_input_task == NULL) {
1523 		dev_err(chip->card->dev,
1524 			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1525 		return -EIO;
1526 	}
1527 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1528 	if (spdifo_task == NULL) {
1529 		dev_err(chip->card->dev,
1530 			"dsp_spos: symbol SPDIFOTASK not found\n");
1531 		return -EIO;
1532 	}
1533 
1534 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1535 	if (spdifi_task == NULL) {
1536 		dev_err(chip->card->dev,
1537 			"dsp_spos: symbol SPDIFITASK not found\n");
1538 		return -EIO;
1539 	}
1540 
1541 	{
1542 		/* 0xBC0 */
1543 		struct dsp_spdifoscb spdifo_scb = {
1544 			/* 0 */ DSP_SPOS_UUUU,
1545 			{
1546 				/* 1 */ 0xb0,
1547 				/* 2 */ 0,
1548 				/* 3 */ 0,
1549 				/* 4 */ 0,
1550 			},
1551 			/* NOTE: the SPDIF output task read samples in mono
1552 			   format, the AsynchFGTxSCB task writes to buffer
1553 			   in stereo format
1554 			*/
1555 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1556 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1557 			/* 7 */ 0,0,
1558 			/* 8 */ 0,
1559 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1560 			/* A */ spdifo_task->address,
1561 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1562 			{
1563 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1564 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1565 			},
1566 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1567 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1568 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1569 		};
1570 
1571 		/* 0xBB0 */
1572 		struct dsp_spdifiscb spdifi_scb = {
1573 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1574 			/* 1 */ 0,
1575 			/* 2 */ 0,
1576 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1577 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1578 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1579 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1580 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1581 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1582 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1583 			/* A */ spdifi_task->address,
1584 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1585 			/* NOTE: The SPDIF input task write the sample in mono
1586 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1587 			   them in stereo
1588 			*/
1589 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1590 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1591 			/* D */ 0x8048,0,
1592 			/* E */ 0x01f0,0x0001,
1593 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1594 		};
1595 
1596 		/* 0xBA0 */
1597 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1598 			/* 0 */ DSP_SPOS_UUUU,
1599 			/* 1 */ 0,
1600 			/* 2 */ 0,
1601 			/* 3 */ 1,4000,
1602 			/* 4 */ 0x0118,0x0001,
1603 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1604 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1605 			/* 7 */ DSP_SPOS_UU,0x3,
1606 			/* 8 */ DSP_SPOS_UUUU,
1607 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1608 			/* A */ s16_async_codec_input_task->address,
1609 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1610 
1611 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1612 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1613 
1614 #ifdef UseASER1Input
1615 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1616 			   Init. 0000:8042: for ASER1
1617 			   0000:8044: for ASER2 */
1618 			/* D */ 0x8042,0,
1619 
1620 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1621 			   Init 1 stero:8050 ASER1
1622 			   Init 0  mono:8070 ASER2
1623 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1624 			/* E */ 0x0100,0x0001,
1625 
1626 #endif
1627 
1628 #ifdef UseASER2Input
1629 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1630 			   Init. 0000:8042: for ASER1
1631 			   0000:8044: for ASER2 */
1632 			/* D */ 0x8044,0,
1633 
1634 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1635 			   Init 1 stero:8050 ASER1
1636 			   Init 0  mono:8070 ASER2
1637 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1638 			/* E */ 0x0110,0x0001,
1639 
1640 #endif
1641 
1642 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1643 			   AsyncCIOutputBufModulo: The modulo size for
1644 			   the output buffer of this task */
1645 			/* F */ 0, /* DSP_SPOS_UUUU */
1646 		};
1647 
1648 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1649 
1650 		if (snd_BUG_ON(!spdifo_scb_desc))
1651 			return -EIO;
1652 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1653 		if (snd_BUG_ON(!spdifi_scb_desc))
1654 			return -EIO;
1655 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1656 		if (snd_BUG_ON(!async_codec_scb_desc))
1657 			return -EIO;
1658 
1659 		async_codec_scb_desc->parent_scb_ptr = NULL;
1660 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1661 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1662 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1663 
1664 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1665 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1666 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1667 		spdifi_scb_desc->task_entry = spdifi_task;
1668 
1669 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1670 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1671 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1672 		spdifo_scb_desc->task_entry = spdifo_task;
1673 
1674 		/* this one is faked, as the parnet of SPDIFO task
1675 		   is the FG task tree */
1676 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1677 
1678 		/* for proc fs */
1679 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1680 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1681 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1682 
1683 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1684 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1685 	}
1686 
1687 	return 0;
1688 }
1689 
1690 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1691 {
1692 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1693 
1694 	/* set SPDIF output FIFO slot */
1695 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1696 
1697 	/* SPDIF output MASTER ENABLE */
1698 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1699 
1700 	/* right and left validate bit */
1701 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1702 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1703 
1704 	/* clear fifo pointer */
1705 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1706 
1707 	/* monitor state */
1708 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1709 }
1710 
1711 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1712 {
1713 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1714 
1715 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1716 	cs46xx_dsp_disable_spdif_hw (chip);
1717 	udelay(50);
1718 
1719 	/* set SPDIF output FIFO slot */
1720 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1721 
1722 	/* SPDIF output MASTER ENABLE */
1723 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1724 
1725 	/* right and left validate bit */
1726 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1727 
1728 	/* monitor state */
1729 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1730 
1731 	return 0;
1732 }
1733 
1734 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1735 {
1736 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1737 
1738 	/* turn on amplifier */
1739 	chip->active_ctrl(chip, 1);
1740 	chip->amplifier_ctrl(chip, 1);
1741 
1742 	if (snd_BUG_ON(ins->asynch_rx_scb))
1743 		return -EINVAL;
1744 	if (snd_BUG_ON(!ins->spdif_in_src))
1745 		return -EINVAL;
1746 
1747 	mutex_lock(&chip->spos_mutex);
1748 
1749 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1750 		/* time countdown enable */
1751 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1752 		/* NOTE: 80000005 value is just magic. With all values
1753 		   that I've tested this one seem to give the best result.
1754 		   Got no explication why. (Benny) */
1755 
1756 		/* SPDIF input MASTER ENABLE */
1757 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1758 
1759 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1760 	}
1761 
1762 	/* create and start the asynchronous receiver SCB */
1763 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1764 								ASYNCRX_SCB_ADDR,
1765 								SPDIFI_SCB_INST,
1766 								SPDIFI_IP_OUTPUT_BUFFER1,
1767 								ins->spdif_in_src,
1768 								SCB_ON_PARENT_SUBLIST_SCB);
1769 
1770 	spin_lock_irq(&chip->reg_lock);
1771 
1772 	/* reset SPDIF input sample buffer pointer */
1773 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1774 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1775 
1776 	/* reset FIFO ptr */
1777 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1778 	cs46xx_src_link(chip,ins->spdif_in_src);
1779 
1780 	/* unmute SRC volume */
1781 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1782 
1783 	spin_unlock_irq(&chip->reg_lock);
1784 
1785 	/* set SPDIF input sample rate and unmute
1786 	   NOTE: only 48khz support for SPDIF input this time */
1787 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1788 
1789 	/* monitor state */
1790 	ins->spdif_status_in = 1;
1791 	mutex_unlock(&chip->spos_mutex);
1792 
1793 	return 0;
1794 }
1795 
1796 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1797 {
1798 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1799 
1800 	if (snd_BUG_ON(!ins->asynch_rx_scb))
1801 		return -EINVAL;
1802 	if (snd_BUG_ON(!ins->spdif_in_src))
1803 		return -EINVAL;
1804 
1805 	mutex_lock(&chip->spos_mutex);
1806 
1807 	/* Remove the asynchronous receiver SCB */
1808 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1809 	ins->asynch_rx_scb = NULL;
1810 
1811 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1812 
1813 	/* monitor state */
1814 	ins->spdif_status_in = 0;
1815 	mutex_unlock(&chip->spos_mutex);
1816 
1817 	/* restore amplifier */
1818 	chip->active_ctrl(chip, -1);
1819 	chip->amplifier_ctrl(chip, -1);
1820 
1821 	return 0;
1822 }
1823 
1824 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1825 {
1826 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1827 
1828 	if (snd_BUG_ON(ins->pcm_input))
1829 		return -EINVAL;
1830 	if (snd_BUG_ON(!ins->ref_snoop_scb))
1831 		return -EINVAL;
1832 
1833 	mutex_lock(&chip->spos_mutex);
1834 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1835                                                   "PCMSerialInput_Wave");
1836 	mutex_unlock(&chip->spos_mutex);
1837 
1838 	return 0;
1839 }
1840 
1841 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1842 {
1843 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1844 
1845 	if (snd_BUG_ON(!ins->pcm_input))
1846 		return -EINVAL;
1847 
1848 	mutex_lock(&chip->spos_mutex);
1849 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1850 	ins->pcm_input = NULL;
1851 	mutex_unlock(&chip->spos_mutex);
1852 
1853 	return 0;
1854 }
1855 
1856 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1857 {
1858 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1859 
1860 	if (snd_BUG_ON(ins->adc_input))
1861 		return -EINVAL;
1862 	if (snd_BUG_ON(!ins->codec_in_scb))
1863 		return -EINVAL;
1864 
1865 	mutex_lock(&chip->spos_mutex);
1866 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1867 						  "PCMSerialInput_ADC");
1868 	mutex_unlock(&chip->spos_mutex);
1869 
1870 	return 0;
1871 }
1872 
1873 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1874 {
1875 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1876 
1877 	if (snd_BUG_ON(!ins->adc_input))
1878 		return -EINVAL;
1879 
1880 	mutex_lock(&chip->spos_mutex);
1881 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1882 	ins->adc_input = NULL;
1883 	mutex_unlock(&chip->spos_mutex);
1884 
1885 	return 0;
1886 }
1887 
1888 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1889 {
1890 	u32 temp;
1891 	int  i;
1892 
1893 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1894 	   a rough guess from looking at the controller spec.) */
1895 	if (address < 0x8000 || address >= 0x9000)
1896 		return -EINVAL;
1897 
1898 	/* initialize the SP_IO_WRITE SCB with the data. */
1899 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1900 
1901 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1902 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1903 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1904 
1905 	/* Poke this location to tell the task to start */
1906 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1907 
1908 	/* Verify that the task ran */
1909 	for (i=0; i<25; i++) {
1910 		udelay(125);
1911 
1912 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1913 		if (temp == 0x00000000)
1914 			break;
1915 	}
1916 
1917 	if (i == 25) {
1918 		dev_err(chip->card->dev,
1919 			"dsp_spos: SPIOWriteTask not responding\n");
1920 		return -EBUSY;
1921 	}
1922 
1923 	return 0;
1924 }
1925 
1926 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1927 {
1928 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1929 	struct dsp_scb_descriptor * scb;
1930 
1931 	mutex_lock(&chip->spos_mutex);
1932 
1933 	/* main output */
1934 	scb = ins->master_mix_scb->sub_list_ptr;
1935 	while (scb != ins->the_null_scb) {
1936 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1937 		scb = scb->next_scb_ptr;
1938 	}
1939 
1940 	/* rear output */
1941 	scb = ins->rear_mix_scb->sub_list_ptr;
1942 	while (scb != ins->the_null_scb) {
1943 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1944 		scb = scb->next_scb_ptr;
1945 	}
1946 
1947 	ins->dac_volume_left = left;
1948 	ins->dac_volume_right = right;
1949 
1950 	mutex_unlock(&chip->spos_mutex);
1951 
1952 	return 0;
1953 }
1954 
1955 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1956 {
1957 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1958 
1959 	mutex_lock(&chip->spos_mutex);
1960 
1961 	if (ins->asynch_rx_scb != NULL)
1962 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1963 					   left,right);
1964 
1965 	ins->spdif_input_volume_left = left;
1966 	ins->spdif_input_volume_right = right;
1967 
1968 	mutex_unlock(&chip->spos_mutex);
1969 
1970 	return 0;
1971 }
1972 
1973 #ifdef CONFIG_PM_SLEEP
1974 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1975 {
1976 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1977 	int i, err;
1978 
1979 	/* clear parameter, sample and code areas */
1980 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1981 			     DSP_PARAMETER_BYTE_SIZE);
1982 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1983 			     DSP_SAMPLE_BYTE_SIZE);
1984 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1985 
1986 	for (i = 0; i < ins->nmodules; i++) {
1987 		struct dsp_module_desc *module = &ins->modules[i];
1988 		struct dsp_segment_desc *seg;
1989 		u32 doffset, dsize;
1990 
1991 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1992 		err = dsp_load_parameter(chip, seg);
1993 		if (err < 0)
1994 			return err;
1995 
1996 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1997 		err = dsp_load_sample(chip, seg);
1998 		if (err < 0)
1999 			return err;
2000 
2001 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
2002 		if (!seg)
2003 			continue;
2004 
2005 		doffset = seg->offset * 4 + module->load_address * 4
2006 			+ DSP_CODE_BYTE_OFFSET;
2007 		dsize   = seg->size * 4;
2008 		err = snd_cs46xx_download(chip,
2009 					  ins->code.data + module->load_address,
2010 					  doffset, dsize);
2011 		if (err < 0)
2012 			return err;
2013 	}
2014 
2015 	for (i = 0; i < ins->ntask; i++) {
2016 		struct dsp_task_descriptor *t = &ins->tasks[i];
2017 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
2018 	}
2019 
2020 	for (i = 0; i < ins->nscb; i++) {
2021 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2022 		if (s->deleted)
2023 			continue;
2024 		_dsp_create_scb(chip, s->data, s->address);
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 		if (s->updated)
2031 			cs46xx_dsp_spos_update_scb(chip, s);
2032 		if (s->volume_set)
2033 			cs46xx_dsp_scb_set_volume(chip, s,
2034 						  s->volume[0], s->volume[1]);
2035 	}
2036 	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2037 		cs46xx_dsp_enable_spdif_hw(chip);
2038 		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2039 				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2040 		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2041 			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2042 					    ins->spdif_csuv_stream);
2043 	}
2044 	if (chip->dsp_spos_instance->spdif_status_in) {
2045 		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2046 		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2047 	}
2048 	return 0;
2049 }
2050 #endif
2051