xref: /linux/sound/pci/cs46xx/dsp_spos.c (revision c0e297dc61f8d4453e07afbea1fa8d0e67cd4a34)
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);						nreallocated++;
111 					} /* wide_opcodes[j] == wide_op */
112 				} /* for */
113 			} /* mod_type == 0 ... */
114 		} /* ins->code.offset > 0 */
115 
116 		ins->code.data[ins->code.size++] = loval;
117 		ins->code.data[ins->code.size++] = hival;
118 	}
119 
120 	dev_dbg(chip->card->dev,
121 		"dsp_spos: %d instructions reallocated\n", nreallocated);
122 	return nreallocated;
123 }
124 
125 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
126 {
127 	int i;
128 	for (i = 0;i < module->nsegments; ++i) {
129 		if (module->segments[i].segment_type == seg_type) {
130 			return (module->segments + i);
131 		}
132 	}
133 
134 	return NULL;
135 };
136 
137 static int find_free_symbol_index (struct dsp_spos_instance * ins)
138 {
139 	int index = ins->symbol_table.nsymbols,i;
140 
141 	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
142 		if (ins->symbol_table.symbols[i].deleted) {
143 			index = i;
144 			break;
145 		}
146 	}
147 
148 	return index;
149 }
150 
151 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
152 {
153 	int i;
154 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
155 
156 	if (module->symbol_table.nsymbols > 0) {
157 		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
158 		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
159 			module->overlay_begin_address = module->symbol_table.symbols[0].address;
160 		}
161 	}
162 
163 	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
164 		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
165 			dev_err(chip->card->dev,
166 				"dsp_spos: symbol table is full\n");
167 			return -ENOMEM;
168 		}
169 
170 
171 		if (cs46xx_dsp_lookup_symbol(chip,
172 					     module->symbol_table.symbols[i].symbol_name,
173 					     module->symbol_table.symbols[i].symbol_type) == NULL) {
174 
175 			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
176 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
177 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
178 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
179 
180 			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
181 				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
182 
183 			ins->symbol_table.nsymbols++;
184 		} else {
185 #if 0
186 			dev_dbg(chip->card->dev,
187 				"dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
188 				module->symbol_table.symbols[i].symbol_name); */
189 #endif
190 		}
191 	}
192 
193 	return 0;
194 }
195 
196 static struct dsp_symbol_entry *
197 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
198 {
199 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
200 	struct dsp_symbol_entry * symbol = NULL;
201 	int index;
202 
203 	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
204 		dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
205 		return NULL;
206 	}
207 
208 	if (cs46xx_dsp_lookup_symbol(chip,
209 				     symbol_name,
210 				     type) != NULL) {
211 		dev_err(chip->card->dev,
212 			"dsp_spos: symbol <%s> duplicated\n", symbol_name);
213 		return NULL;
214 	}
215 
216 	index = find_free_symbol_index (ins);
217 
218 	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
219 	ins->symbol_table.symbols[index].address = address;
220 	ins->symbol_table.symbols[index].symbol_type = type;
221 	ins->symbol_table.symbols[index].module = NULL;
222 	ins->symbol_table.symbols[index].deleted = 0;
223 	symbol = (ins->symbol_table.symbols + index);
224 
225 	if (index > ins->symbol_table.highest_frag_index)
226 		ins->symbol_table.highest_frag_index = index;
227 
228 	if (index == ins->symbol_table.nsymbols)
229 		ins->symbol_table.nsymbols++; /* no frag. in list */
230 
231 	return symbol;
232 }
233 
234 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
235 {
236 	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
237 
238 	if (ins == NULL)
239 		return NULL;
240 
241 	/* better to use vmalloc for this big table */
242 	ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
243 					    DSP_MAX_SYMBOLS);
244 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
245 	ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
246 	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
247 		cs46xx_dsp_spos_destroy(chip);
248 		goto error;
249 	}
250 	ins->symbol_table.nsymbols = 0;
251 	ins->symbol_table.highest_frag_index = 0;
252 	ins->code.offset = 0;
253 	ins->code.size = 0;
254 	ins->nscb = 0;
255 	ins->ntask = 0;
256 	ins->nmodules = 0;
257 
258 	/* default SPDIF input sample rate
259 	   to 48000 khz */
260 	ins->spdif_in_sample_rate = 48000;
261 
262 	/* maximize volume */
263 	ins->dac_volume_right = 0x8000;
264 	ins->dac_volume_left = 0x8000;
265 	ins->spdif_input_volume_right = 0x8000;
266 	ins->spdif_input_volume_left = 0x8000;
267 
268 	/* set left and right validity bits and
269 	   default channel status */
270 	ins->spdif_csuv_default =
271 		ins->spdif_csuv_stream =
272 	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
273 	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
274 	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
275 	 /* left and right validity bits */ (1 << 13) | (1 << 12);
276 
277 	return ins;
278 
279 error:
280 	kfree(ins->modules);
281 	kfree(ins->code.data);
282 	vfree(ins->symbol_table.symbols);
283 	kfree(ins);
284 	return NULL;
285 }
286 
287 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
288 {
289 	int i;
290 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
291 
292 	if (snd_BUG_ON(!ins))
293 		return;
294 
295 	mutex_lock(&chip->spos_mutex);
296 	for (i = 0; i < ins->nscb; ++i) {
297 		if (ins->scbs[i].deleted) continue;
298 
299 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
300 #ifdef CONFIG_PM_SLEEP
301 		kfree(ins->scbs[i].data);
302 #endif
303 	}
304 
305 	kfree(ins->code.data);
306 	vfree(ins->symbol_table.symbols);
307 	kfree(ins->modules);
308 	kfree(ins);
309 	mutex_unlock(&chip->spos_mutex);
310 }
311 
312 static int dsp_load_parameter(struct snd_cs46xx *chip,
313 			      struct dsp_segment_desc *parameter)
314 {
315 	u32 doffset, dsize;
316 
317 	if (!parameter) {
318 		dev_dbg(chip->card->dev,
319 			"dsp_spos: module got no parameter segment\n");
320 		return 0;
321 	}
322 
323 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
324 	dsize   = parameter->size * 4;
325 
326 	dev_dbg(chip->card->dev,
327 		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
328 		    doffset,doffset + dsize);
329 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
330 		dev_err(chip->card->dev,
331 			"dsp_spos: failed to download parameter data to DSP\n");
332 		return -EINVAL;
333 	}
334 	return 0;
335 }
336 
337 static int dsp_load_sample(struct snd_cs46xx *chip,
338 			   struct dsp_segment_desc *sample)
339 {
340 	u32 doffset, dsize;
341 
342 	if (!sample) {
343 		dev_dbg(chip->card->dev,
344 			"dsp_spos: module got no sample segment\n");
345 		return 0;
346 	}
347 
348 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
349 	dsize   =  sample->size * 4;
350 
351 	dev_dbg(chip->card->dev,
352 		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
353 		    doffset,doffset + dsize);
354 
355 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
356 		dev_err(chip->card->dev,
357 			"dsp_spos: failed to sample data to DSP\n");
358 		return -EINVAL;
359 	}
360 	return 0;
361 }
362 
363 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
364 {
365 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
366 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
367 	u32 doffset, dsize;
368 	int err;
369 
370 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
371 		dev_err(chip->card->dev,
372 			"dsp_spos: to many modules loaded into DSP\n");
373 		return -ENOMEM;
374 	}
375 
376 	dev_dbg(chip->card->dev,
377 		"dsp_spos: loading module %s into DSP\n", module->module_name);
378 
379 	if (ins->nmodules == 0) {
380 		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
381 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
382 	}
383 
384 	err = dsp_load_parameter(chip, get_segment_desc(module,
385 							SEGTYPE_SP_PARAMETER));
386 	if (err < 0)
387 		return err;
388 
389 	if (ins->nmodules == 0) {
390 		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
391 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
392 	}
393 
394 	err = dsp_load_sample(chip, get_segment_desc(module,
395 						     SEGTYPE_SP_SAMPLE));
396 	if (err < 0)
397 		return err;
398 
399 	if (ins->nmodules == 0) {
400 		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
401 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
402 	}
403 
404 	if (code == NULL) {
405 		dev_dbg(chip->card->dev,
406 			"dsp_spos: module got no code segment\n");
407 	} else {
408 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
409 			dev_err(chip->card->dev,
410 				"dsp_spos: no space available in DSP\n");
411 			return -ENOMEM;
412 		}
413 
414 		module->load_address = ins->code.offset;
415 		module->overlay_begin_address = 0x000;
416 
417 		/* if module has a code segment it must have
418 		   symbol table */
419 		if (snd_BUG_ON(!module->symbol_table.symbols))
420 			return -ENOMEM;
421 		if (add_symbols(chip,module)) {
422 			dev_err(chip->card->dev,
423 				"dsp_spos: failed to load symbol table\n");
424 			return -ENOMEM;
425 		}
426 
427 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
428 		dsize   = code->size * 4;
429 		dev_dbg(chip->card->dev,
430 			"dsp_spos: downloading code to chip (%08x-%08x)\n",
431 			    doffset,doffset + dsize);
432 
433 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
434 
435 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
436 			dev_err(chip->card->dev,
437 				"dsp_spos: failed to download code to DSP\n");
438 			return -EINVAL;
439 		}
440 
441 		ins->code.offset += code->size;
442 	}
443 
444 	/* NOTE: module segments and symbol table must be
445 	   statically allocated. Case that module data is
446 	   not generated by the ospparser */
447 	ins->modules[ins->nmodules] = *module;
448 	ins->nmodules++;
449 
450 	return 0;
451 }
452 
453 struct dsp_symbol_entry *
454 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
455 {
456 	int i;
457 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
458 
459 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
460 
461 		if (ins->symbol_table.symbols[i].deleted)
462 			continue;
463 
464 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
465 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
466 			return (ins->symbol_table.symbols + i);
467 		}
468 	}
469 
470 #if 0
471 	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
472 		symbol_name,symbol_type);
473 #endif
474 
475 	return NULL;
476 }
477 
478 
479 #ifdef CONFIG_SND_PROC_FS
480 static struct dsp_symbol_entry *
481 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
482 {
483 	int i;
484 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
485 
486 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
487 
488 		if (ins->symbol_table.symbols[i].deleted)
489 			continue;
490 
491 		if (ins->symbol_table.symbols[i].address == address &&
492 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
493 			return (ins->symbol_table.symbols + i);
494 		}
495 	}
496 
497 
498 	return NULL;
499 }
500 
501 
502 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
503 					       struct snd_info_buffer *buffer)
504 {
505 	struct snd_cs46xx *chip = entry->private_data;
506 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
507 	int i;
508 
509 	snd_iprintf(buffer, "SYMBOLS:\n");
510 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
511 		char *module_str = "system";
512 
513 		if (ins->symbol_table.symbols[i].deleted)
514 			continue;
515 
516 		if (ins->symbol_table.symbols[i].module != NULL) {
517 			module_str = ins->symbol_table.symbols[i].module->module_name;
518 		}
519 
520 
521 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
522 			    ins->symbol_table.symbols[i].address,
523 			    ins->symbol_table.symbols[i].symbol_type,
524 			    ins->symbol_table.symbols[i].symbol_name,
525 			    module_str);
526 	}
527 }
528 
529 
530 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
531 					  struct snd_info_buffer *buffer)
532 {
533 	struct snd_cs46xx *chip = entry->private_data;
534 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
535 	int i,j;
536 
537 	mutex_lock(&chip->spos_mutex);
538 	snd_iprintf(buffer, "MODULES:\n");
539 	for ( i = 0; i < ins->nmodules; ++i ) {
540 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
541 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
542 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
543 
544 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
545 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
546 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
547 				    desc->segment_type,desc->offset, desc->size);
548 		}
549 	}
550 	mutex_unlock(&chip->spos_mutex);
551 }
552 
553 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
554 					    struct snd_info_buffer *buffer)
555 {
556 	struct snd_cs46xx *chip = entry->private_data;
557 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
558 	int i, j, col;
559 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
560 
561 	mutex_lock(&chip->spos_mutex);
562 	snd_iprintf(buffer, "TASK TREES:\n");
563 	for ( i = 0; i < ins->ntask; ++i) {
564 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
565 
566 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
567 			u32 val;
568 			if (col == 4) {
569 				snd_iprintf(buffer,"\n");
570 				col = 0;
571 			}
572 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
573 			snd_iprintf(buffer,"%08x ",val);
574 		}
575 	}
576 
577 	snd_iprintf(buffer,"\n");
578 	mutex_unlock(&chip->spos_mutex);
579 }
580 
581 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
582 				      struct snd_info_buffer *buffer)
583 {
584 	struct snd_cs46xx *chip = entry->private_data;
585 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
586 	int i;
587 
588 	mutex_lock(&chip->spos_mutex);
589 	snd_iprintf(buffer, "SCB's:\n");
590 	for ( i = 0; i < ins->nscb; ++i) {
591 		if (ins->scbs[i].deleted)
592 			continue;
593 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
594 
595 		if (ins->scbs[i].parent_scb_ptr != NULL) {
596 			snd_iprintf(buffer,"parent [%s:%04x] ",
597 				    ins->scbs[i].parent_scb_ptr->scb_name,
598 				    ins->scbs[i].parent_scb_ptr->address);
599 		} else snd_iprintf(buffer,"parent [none] ");
600 
601 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
602 			    ins->scbs[i].sub_list_ptr->scb_name,
603 			    ins->scbs[i].sub_list_ptr->address,
604 			    ins->scbs[i].next_scb_ptr->scb_name,
605 			    ins->scbs[i].next_scb_ptr->address,
606 			    ins->scbs[i].task_entry->symbol_name,
607 			    ins->scbs[i].task_entry->address);
608 	}
609 
610 	snd_iprintf(buffer,"\n");
611 	mutex_unlock(&chip->spos_mutex);
612 }
613 
614 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
615 						 struct snd_info_buffer *buffer)
616 {
617 	struct snd_cs46xx *chip = entry->private_data;
618 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
619 	unsigned int i, col = 0;
620 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
621 	struct dsp_symbol_entry * symbol;
622 
623 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
624 		if (col == 4) {
625 			snd_iprintf(buffer,"\n");
626 			col = 0;
627 		}
628 
629 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
630 			col = 0;
631 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
632 		}
633 
634 		if (col == 0) {
635 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
636 		}
637 
638 		snd_iprintf(buffer,"%08X ",readl(dst + i));
639 	}
640 }
641 
642 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
643 					      struct snd_info_buffer *buffer)
644 {
645 	struct snd_cs46xx *chip = entry->private_data;
646 	int i,col = 0;
647 	void __iomem *dst = chip->region.idx[2].remap_addr;
648 
649 	snd_iprintf(buffer,"PCMREADER:\n");
650 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
651 		if (col == 4) {
652 			snd_iprintf(buffer,"\n");
653 			col = 0;
654 		}
655 
656 		if (col == 0) {
657 			snd_iprintf(buffer, "%04X ",i);
658 		}
659 
660 		snd_iprintf(buffer,"%08X ",readl(dst + i));
661 	}
662 
663 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
664 
665 	col = 0;
666 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
667 		if (col == 4) {
668 			snd_iprintf(buffer,"\n");
669 			col = 0;
670 		}
671 
672 		if (col == 0) {
673 			snd_iprintf(buffer, "%04X ",i);
674 		}
675 
676 		snd_iprintf(buffer,"%08X ",readl(dst + i));
677 	}
678 
679 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
680 	col = 0;
681 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
682 		if (col == 4) {
683 			snd_iprintf(buffer,"\n");
684 			col = 0;
685 		}
686 
687 		if (col == 0) {
688 			snd_iprintf(buffer, "%04X ",i);
689 		}
690 
691 		snd_iprintf(buffer,"%08X ",readl(dst + i));
692 	}
693 
694 
695 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
696 	col = 0;
697 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
698 		if (col == 4) {
699 			snd_iprintf(buffer,"\n");
700 			col = 0;
701 		}
702 
703 		if (col == 0) {
704 			snd_iprintf(buffer, "%04X ",i);
705 		}
706 
707 		snd_iprintf(buffer,"%08X ",readl(dst + i));
708 	}
709 
710 	snd_iprintf(buffer,"\n...\n");
711 	col = 0;
712 
713 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
714 		if (col == 4) {
715 			snd_iprintf(buffer,"\n");
716 			col = 0;
717 		}
718 
719 		if (col == 0) {
720 			snd_iprintf(buffer, "%04X ",i);
721 		}
722 
723 		snd_iprintf(buffer,"%08X ",readl(dst + i));
724 	}
725 
726 
727 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
728 	col = 0;
729 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
730 		if (col == 4) {
731 			snd_iprintf(buffer,"\n");
732 			col = 0;
733 		}
734 
735 		if (col == 0) {
736 			snd_iprintf(buffer, "%04X ",i);
737 		}
738 
739 		snd_iprintf(buffer,"%08X ",readl(dst + i));
740 	}
741 
742 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
743 	col = 0;
744 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
745 		if (col == 4) {
746 			snd_iprintf(buffer,"\n");
747 			col = 0;
748 		}
749 
750 		if (col == 0) {
751 			snd_iprintf(buffer, "%04X ",i);
752 		}
753 
754 		snd_iprintf(buffer,"%08X ",readl(dst + i));
755 	}
756 #if 0
757 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
758 	col = 0;
759 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
760 		if (col == 4) {
761 			snd_iprintf(buffer,"\n");
762 			col = 0;
763 		}
764 
765 		if (col == 0) {
766 			snd_iprintf(buffer, "%04X ",i);
767 		}
768 
769 		snd_iprintf(buffer,"%08X ",readl(dst + i));
770 	}
771 #endif
772 
773 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
774 	col = 0;
775 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
776 		if (col == 4) {
777 			snd_iprintf(buffer,"\n");
778 			col = 0;
779 		}
780 
781 		if (col == 0) {
782 			snd_iprintf(buffer, "%04X ",i);
783 		}
784 
785 		snd_iprintf(buffer,"%08X ",readl(dst + i));
786 	}
787 	snd_iprintf(buffer,"\n");
788 }
789 
790 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
791 {
792 	struct snd_info_entry *entry;
793 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
794 	int i;
795 
796 	ins->snd_card = card;
797 
798 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
799 		entry->content = SNDRV_INFO_CONTENT_TEXT;
800 		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
801 
802 		if (snd_info_register(entry) < 0) {
803 			snd_info_free_entry(entry);
804 			entry = NULL;
805 		}
806 	}
807 
808 	ins->proc_dsp_dir = entry;
809 
810 	if (!ins->proc_dsp_dir)
811 		return -ENOMEM;
812 
813 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
814 		entry->content = SNDRV_INFO_CONTENT_TEXT;
815 		entry->private_data = chip;
816 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
817 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
818 		if (snd_info_register(entry) < 0) {
819 			snd_info_free_entry(entry);
820 			entry = NULL;
821 		}
822 	}
823 	ins->proc_sym_info_entry = entry;
824 
825 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
826 		entry->content = SNDRV_INFO_CONTENT_TEXT;
827 		entry->private_data = chip;
828 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
829 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
830 		if (snd_info_register(entry) < 0) {
831 			snd_info_free_entry(entry);
832 			entry = NULL;
833 		}
834 	}
835 	ins->proc_modules_info_entry = entry;
836 
837 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
838 		entry->content = SNDRV_INFO_CONTENT_TEXT;
839 		entry->private_data = chip;
840 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
841 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
842 		if (snd_info_register(entry) < 0) {
843 			snd_info_free_entry(entry);
844 			entry = NULL;
845 		}
846 	}
847 	ins->proc_parameter_dump_info_entry = entry;
848 
849 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
850 		entry->content = SNDRV_INFO_CONTENT_TEXT;
851 		entry->private_data = chip;
852 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
853 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
854 		if (snd_info_register(entry) < 0) {
855 			snd_info_free_entry(entry);
856 			entry = NULL;
857 		}
858 	}
859 	ins->proc_sample_dump_info_entry = entry;
860 
861 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
862 		entry->content = SNDRV_INFO_CONTENT_TEXT;
863 		entry->private_data = chip;
864 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
865 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
866 		if (snd_info_register(entry) < 0) {
867 			snd_info_free_entry(entry);
868 			entry = NULL;
869 		}
870 	}
871 	ins->proc_task_info_entry = entry;
872 
873 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
874 		entry->content = SNDRV_INFO_CONTENT_TEXT;
875 		entry->private_data = chip;
876 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
877 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
878 		if (snd_info_register(entry) < 0) {
879 			snd_info_free_entry(entry);
880 			entry = NULL;
881 		}
882 	}
883 	ins->proc_scb_info_entry = entry;
884 
885 	mutex_lock(&chip->spos_mutex);
886 	/* register/update SCB's entries on proc */
887 	for (i = 0; i < ins->nscb; ++i) {
888 		if (ins->scbs[i].deleted) continue;
889 
890 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
891 	}
892 	mutex_unlock(&chip->spos_mutex);
893 
894 	return 0;
895 }
896 
897 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
898 {
899 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
900 	int i;
901 
902 	snd_info_free_entry(ins->proc_sym_info_entry);
903 	ins->proc_sym_info_entry = NULL;
904 
905 	snd_info_free_entry(ins->proc_modules_info_entry);
906 	ins->proc_modules_info_entry = NULL;
907 
908 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
909 	ins->proc_parameter_dump_info_entry = NULL;
910 
911 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
912 	ins->proc_sample_dump_info_entry = NULL;
913 
914 	snd_info_free_entry(ins->proc_scb_info_entry);
915 	ins->proc_scb_info_entry = NULL;
916 
917 	snd_info_free_entry(ins->proc_task_info_entry);
918 	ins->proc_task_info_entry = NULL;
919 
920 	mutex_lock(&chip->spos_mutex);
921 	for (i = 0; i < ins->nscb; ++i) {
922 		if (ins->scbs[i].deleted) continue;
923 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
924 	}
925 	mutex_unlock(&chip->spos_mutex);
926 
927 	snd_info_free_entry(ins->proc_dsp_dir);
928 	ins->proc_dsp_dir = NULL;
929 
930 	return 0;
931 }
932 #endif /* CONFIG_SND_PROC_FS */
933 
934 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
935 				   u32  dest, int size)
936 {
937 	void __iomem *spdst = chip->region.idx[1].remap_addr +
938 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
939 	int i;
940 
941 	for (i = 0; i < size; ++i) {
942 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
943 			spdst, task_data[i]);
944 		writel(task_data[i],spdst);
945 		spdst += sizeof(u32);
946 	}
947 }
948 
949 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
950 {
951 	void __iomem *spdst = chip->region.idx[1].remap_addr +
952 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
953 	int i;
954 
955 	for (i = 0; i < 0x10; ++i) {
956 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
957 			spdst, scb_data[i]);
958 		writel(scb_data[i],spdst);
959 		spdst += sizeof(u32);
960 	}
961 }
962 
963 static int find_free_scb_index (struct dsp_spos_instance * ins)
964 {
965 	int index = ins->nscb, i;
966 
967 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
968 		if (ins->scbs[i].deleted) {
969 			index = i;
970 			break;
971 		}
972 	}
973 
974 	return index;
975 }
976 
977 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
978 {
979 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
980 	struct dsp_scb_descriptor * desc = NULL;
981 	int index;
982 
983 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
984 		dev_err(chip->card->dev,
985 			"dsp_spos: got no place for other SCB\n");
986 		return NULL;
987 	}
988 
989 	index = find_free_scb_index (ins);
990 
991 	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
992 	strcpy(ins->scbs[index].scb_name, name);
993 	ins->scbs[index].address = dest;
994 	ins->scbs[index].index = index;
995 	ins->scbs[index].ref_count = 1;
996 
997 	desc = (ins->scbs + index);
998 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
999 
1000 	if (index > ins->scb_highest_frag_index)
1001 		ins->scb_highest_frag_index = index;
1002 
1003 	if (index == ins->nscb)
1004 		ins->nscb++;
1005 
1006 	return desc;
1007 }
1008 
1009 static struct dsp_task_descriptor *
1010 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
1011 {
1012 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1013 	struct dsp_task_descriptor * desc = NULL;
1014 
1015 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1016 		dev_err(chip->card->dev,
1017 			"dsp_spos: got no place for other TASK\n");
1018 		return NULL;
1019 	}
1020 
1021 	if (name)
1022 		strcpy(ins->tasks[ins->ntask].task_name, name);
1023 	else
1024 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1025 	ins->tasks[ins->ntask].address = dest;
1026 	ins->tasks[ins->ntask].size = size;
1027 
1028 	/* quick find in list */
1029 	ins->tasks[ins->ntask].index = ins->ntask;
1030 	desc = (ins->tasks + ins->ntask);
1031 	ins->ntask++;
1032 
1033 	if (name)
1034 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1035 	return desc;
1036 }
1037 
1038 #define SCB_BYTES	(0x10 * 4)
1039 
1040 struct dsp_scb_descriptor *
1041 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1042 {
1043 	struct dsp_scb_descriptor * desc;
1044 
1045 #ifdef CONFIG_PM_SLEEP
1046 	/* copy the data for resume */
1047 	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1048 	if (!scb_data)
1049 		return NULL;
1050 #endif
1051 
1052 	desc = _map_scb (chip,name,dest);
1053 	if (desc) {
1054 		desc->data = scb_data;
1055 		_dsp_create_scb(chip,scb_data,dest);
1056 	} else {
1057 		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
1058 #ifdef CONFIG_PM_SLEEP
1059 		kfree(scb_data);
1060 #endif
1061 	}
1062 
1063 	return desc;
1064 }
1065 
1066 
1067 static struct dsp_task_descriptor *
1068 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1069 			     u32 dest, int size)
1070 {
1071 	struct dsp_task_descriptor * desc;
1072 
1073 	desc = _map_task_tree (chip,name,dest,size);
1074 	if (desc) {
1075 		desc->data = task_data;
1076 		_dsp_create_task_tree(chip,task_data,dest,size);
1077 	} else {
1078 		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1079 	}
1080 
1081 	return desc;
1082 }
1083 
1084 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1085 {
1086 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1087 	struct dsp_symbol_entry * fg_task_tree_header_code;
1088 	struct dsp_symbol_entry * task_tree_header_code;
1089 	struct dsp_symbol_entry * task_tree_thread;
1090 	struct dsp_symbol_entry * null_algorithm;
1091 	struct dsp_symbol_entry * magic_snoop_task;
1092 
1093 	struct dsp_scb_descriptor * timing_master_scb;
1094 	struct dsp_scb_descriptor * codec_out_scb;
1095 	struct dsp_scb_descriptor * codec_in_scb;
1096 	struct dsp_scb_descriptor * src_task_scb;
1097 	struct dsp_scb_descriptor * master_mix_scb;
1098 	struct dsp_scb_descriptor * rear_mix_scb;
1099 	struct dsp_scb_descriptor * record_mix_scb;
1100 	struct dsp_scb_descriptor * write_back_scb;
1101 	struct dsp_scb_descriptor * vari_decimate_scb;
1102 	struct dsp_scb_descriptor * rear_codec_out_scb;
1103 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1104 	struct dsp_scb_descriptor * magic_snoop_scb;
1105 
1106 	int fifo_addr, fifo_span, valid_slots;
1107 
1108 	static struct dsp_spos_control_block sposcb = {
1109 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1110 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1111 		/* 2 */ DSP_SPOS_DC,0,
1112 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1113 		/* 4 */ 0,0,
1114 		/* 5 */ DSP_SPOS_UU,0,
1115 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1116 		/* 7 */ 0,0,
1117 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1118 		/* 9 */ 0,
1119 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1120 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1121 		/* C */ DSP_SPOS_DC_DC,
1122 		/* D */ DSP_SPOS_DC_DC,
1123 		/* E */ DSP_SPOS_DC_DC,
1124 		/* F */ DSP_SPOS_DC_DC
1125 	};
1126 
1127 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1128 
1129 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1130 	if (null_algorithm == NULL) {
1131 		dev_err(chip->card->dev,
1132 			"dsp_spos: symbol NULLALGORITHM not found\n");
1133 		return -EIO;
1134 	}
1135 
1136 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1137 	if (fg_task_tree_header_code == NULL) {
1138 		dev_err(chip->card->dev,
1139 			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1140 		return -EIO;
1141 	}
1142 
1143 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1144 	if (task_tree_header_code == NULL) {
1145 		dev_err(chip->card->dev,
1146 			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1147 		return -EIO;
1148 	}
1149 
1150 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1151 	if (task_tree_thread == NULL) {
1152 		dev_err(chip->card->dev,
1153 			"dsp_spos: symbol TASKTREETHREAD not found\n");
1154 		return -EIO;
1155 	}
1156 
1157 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1158 	if (magic_snoop_task == NULL) {
1159 		dev_err(chip->card->dev,
1160 			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1161 		return -EIO;
1162 	}
1163 
1164 	{
1165 		/* create the null SCB */
1166 		static struct dsp_generic_scb null_scb = {
1167 			{ 0, 0, 0, 0 },
1168 			{ 0, 0, 0, 0, 0 },
1169 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1170 			0, 0, 0, 0, 0,
1171 			{
1172 				0,0,
1173 				0,0,
1174 			}
1175 		};
1176 
1177 		null_scb.entry_point = null_algorithm->address;
1178 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1179 		ins->the_null_scb->task_entry = null_algorithm;
1180 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1181 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1182 		ins->the_null_scb->parent_scb_ptr = NULL;
1183 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1184 	}
1185 
1186 	{
1187 		/* setup foreground task tree */
1188 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1189 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1190 			  DSP_SPOS_DC_DC,
1191 			  DSP_SPOS_DC_DC,
1192 			  0x0000,DSP_SPOS_DC,
1193 			  DSP_SPOS_DC, DSP_SPOS_DC,
1194 			  DSP_SPOS_DC_DC,
1195 			  DSP_SPOS_DC_DC,
1196 			  DSP_SPOS_DC_DC,
1197 			  DSP_SPOS_DC,DSP_SPOS_DC },
1198 
1199 			{
1200 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1201 				0,
1202 				FG_TASK_HEADER_ADDR + TCBData,
1203 			},
1204 
1205 			{
1206 				4,0,
1207 				1,0,
1208 				2,SPOSCB_ADDR + HFGFlags,
1209 				0,0,
1210 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1211 			},
1212 
1213 			{
1214 				DSP_SPOS_DC,0,
1215 				DSP_SPOS_DC,DSP_SPOS_DC,
1216 				DSP_SPOS_DC,DSP_SPOS_DC,
1217 				DSP_SPOS_DC,DSP_SPOS_DC,
1218 				DSP_SPOS_DC,DSP_SPOS_DC,
1219 				DSP_SPOS_DCDC,
1220 				DSP_SPOS_UU,1,
1221 				DSP_SPOS_DCDC,
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 			},
1250 			{
1251 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1252 				0,0
1253 			}
1254 		};
1255 
1256 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1257 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1258 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1259 	}
1260 
1261 
1262 	{
1263 		/* setup foreground task tree */
1264 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1265 			{ DSP_SPOS_DC_DC,
1266 			  DSP_SPOS_DC_DC,
1267 			  DSP_SPOS_DC_DC,
1268 			  DSP_SPOS_DC, DSP_SPOS_DC,
1269 			  DSP_SPOS_DC, DSP_SPOS_DC,
1270 			  DSP_SPOS_DC_DC,
1271 			  DSP_SPOS_DC_DC,
1272 			  DSP_SPOS_DC_DC,
1273 			  DSP_SPOS_DC,DSP_SPOS_DC },
1274 
1275 			{
1276 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1277 				0,
1278 				BG_TREE_SCB_ADDR + TCBData,
1279 			},
1280 
1281 			{
1282 				9999,0,
1283 				0,1,
1284 				0,SPOSCB_ADDR + HFGFlags,
1285 				0,0,
1286 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1287 			},
1288 
1289 			{
1290 				DSP_SPOS_DC,0,
1291 				DSP_SPOS_DC,DSP_SPOS_DC,
1292 				DSP_SPOS_DC,DSP_SPOS_DC,
1293 				DSP_SPOS_DC,DSP_SPOS_DC,
1294 				DSP_SPOS_DC,DSP_SPOS_DC,
1295 				DSP_SPOS_DCDC,
1296 				DSP_SPOS_UU,1,
1297 				DSP_SPOS_DCDC,
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 			},
1326 			{
1327 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1328 				0,0
1329 			}
1330 		};
1331 
1332 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1333 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1334 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1335 	}
1336 
1337 	/* create timing master SCB */
1338 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1339 
1340 	/* create the CODEC output task */
1341 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1342 							MASTERMIX_SCB_ADDR,
1343 							CODECOUT_SCB_ADDR,timing_master_scb,
1344 							SCB_ON_PARENT_SUBLIST_SCB);
1345 
1346 	if (!codec_out_scb) goto _fail_end;
1347 	/* create the master mix SCB */
1348 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1349 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1350 							codec_out_scb,
1351 							SCB_ON_PARENT_SUBLIST_SCB);
1352 	ins->master_mix_scb = master_mix_scb;
1353 
1354 	if (!master_mix_scb) goto _fail_end;
1355 
1356 	/* create codec in */
1357 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1358 						      CODEC_INPUT_BUF1,
1359 						      CODECIN_SCB_ADDR,codec_out_scb,
1360 						      SCB_ON_PARENT_NEXT_SCB);
1361 	if (!codec_in_scb) goto _fail_end;
1362 	ins->codec_in_scb = codec_in_scb;
1363 
1364 	/* create write back scb */
1365 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1366 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1367 							      WRITEBACK_SCB_ADDR,
1368 							      timing_master_scb,
1369 							      SCB_ON_PARENT_NEXT_SCB);
1370 	if (!write_back_scb) goto _fail_end;
1371 
1372 	{
1373 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1374 			0x00020000,
1375 			0x0000ffff
1376 		};
1377 
1378 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1379 						 (u32 *)&mix2_ostream_spb,
1380 						 WRITE_BACK_SPB, 2))
1381 			goto _fail_end;
1382 	}
1383 
1384 	/* input sample converter */
1385 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1386 								VARI_DECIMATE_BUF0,
1387 								VARI_DECIMATE_BUF1,
1388 								VARIDECIMATE_SCB_ADDR,
1389 								write_back_scb,
1390 								SCB_ON_PARENT_SUBLIST_SCB);
1391 	if (!vari_decimate_scb) goto _fail_end;
1392 
1393 	/* create the record mixer SCB */
1394 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1395 							MIX_SAMPLE_BUF2,
1396 							RECORD_MIXER_SCB_ADDR,
1397 							vari_decimate_scb,
1398 							SCB_ON_PARENT_SUBLIST_SCB);
1399 	ins->record_mixer_scb = record_mix_scb;
1400 
1401 	if (!record_mix_scb) goto _fail_end;
1402 
1403 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1404 
1405 	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1406 		goto _fail_end;
1407 
1408 	if (chip->nr_ac97_codecs == 1) {
1409 		/* output on slot 5 and 11
1410 		   on primary CODEC */
1411 		fifo_addr = 0x20;
1412 		fifo_span = 0x60;
1413 
1414 		/* enable slot 5 and 11 */
1415 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1416 	} else {
1417 		/* output on slot 7 and 8
1418 		   on secondary CODEC */
1419 		fifo_addr = 0x40;
1420 		fifo_span = 0x10;
1421 
1422 		/* enable slot 7 and 8 */
1423 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1424 	}
1425 	/* create CODEC tasklet for rear speakers output*/
1426 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1427 							     REAR_MIXER_SCB_ADDR,
1428 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1429 							     SCB_ON_PARENT_NEXT_SCB);
1430 	if (!rear_codec_out_scb) goto _fail_end;
1431 
1432 
1433 	/* create the rear PCM channel  mixer SCB */
1434 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1435 						      MIX_SAMPLE_BUF3,
1436 						      REAR_MIXER_SCB_ADDR,
1437 						      rear_codec_out_scb,
1438 						      SCB_ON_PARENT_SUBLIST_SCB);
1439 	ins->rear_mix_scb = rear_mix_scb;
1440 	if (!rear_mix_scb) goto _fail_end;
1441 
1442 	if (chip->nr_ac97_codecs == 2) {
1443 		/* create CODEC tasklet for rear Center/LFE output
1444 		   slot 6 and 9 on seconadry CODEC */
1445 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1446 								     CLFE_MIXER_SCB_ADDR,
1447 								     CLFE_CODEC_SCB_ADDR,
1448 								     rear_codec_out_scb,
1449 								     SCB_ON_PARENT_NEXT_SCB);
1450 		if (!clfe_codec_out_scb) goto _fail_end;
1451 
1452 
1453 		/* create the rear PCM channel  mixer SCB */
1454 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1455 									 MIX_SAMPLE_BUF4,
1456 									 CLFE_MIXER_SCB_ADDR,
1457 									 clfe_codec_out_scb,
1458 									 SCB_ON_PARENT_SUBLIST_SCB);
1459 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1460 
1461 		/* enable slot 6 and 9 */
1462 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1463 	} else {
1464 		clfe_codec_out_scb = rear_codec_out_scb;
1465 		ins->center_lfe_mix_scb = rear_mix_scb;
1466 	}
1467 
1468 	/* enable slots depending on CODEC configuration */
1469 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1470 
1471 	/* the magic snooper */
1472 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1473 							     OUTPUT_SNOOP_BUFFER,
1474 							     codec_out_scb,
1475 							     clfe_codec_out_scb,
1476 							     SCB_ON_PARENT_NEXT_SCB);
1477 
1478 
1479 	if (!magic_snoop_scb) goto _fail_end;
1480 	ins->ref_snoop_scb = magic_snoop_scb;
1481 
1482 	/* SP IO access */
1483 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1484 					      magic_snoop_scb,
1485 					      SCB_ON_PARENT_NEXT_SCB))
1486 		goto _fail_end;
1487 
1488 	/* SPDIF input sampel rate converter */
1489 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1490 						      ins->spdif_in_sample_rate,
1491 						      SRC_OUTPUT_BUF1,
1492 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1493 						      master_mix_scb,
1494 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1495 
1496 	if (!src_task_scb) goto _fail_end;
1497 	cs46xx_src_unlink(chip,src_task_scb);
1498 
1499 	/* NOTE: when we now how to detect the SPDIF input
1500 	   sample rate we will use this SRC to adjust it */
1501 	ins->spdif_in_src = src_task_scb;
1502 
1503 	cs46xx_dsp_async_init(chip,timing_master_scb);
1504 	return 0;
1505 
1506  _fail_end:
1507 	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1508 	return -EINVAL;
1509 }
1510 
1511 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1512 				  struct dsp_scb_descriptor * fg_entry)
1513 {
1514 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1515 	struct dsp_symbol_entry * s16_async_codec_input_task;
1516 	struct dsp_symbol_entry * spdifo_task;
1517 	struct dsp_symbol_entry * spdifi_task;
1518 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1519 
1520 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1521 	if (s16_async_codec_input_task == NULL) {
1522 		dev_err(chip->card->dev,
1523 			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1524 		return -EIO;
1525 	}
1526 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1527 	if (spdifo_task == NULL) {
1528 		dev_err(chip->card->dev,
1529 			"dsp_spos: symbol SPDIFOTASK not found\n");
1530 		return -EIO;
1531 	}
1532 
1533 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1534 	if (spdifi_task == NULL) {
1535 		dev_err(chip->card->dev,
1536 			"dsp_spos: symbol SPDIFITASK not found\n");
1537 		return -EIO;
1538 	}
1539 
1540 	{
1541 		/* 0xBC0 */
1542 		struct dsp_spdifoscb spdifo_scb = {
1543 			/* 0 */ DSP_SPOS_UUUU,
1544 			{
1545 				/* 1 */ 0xb0,
1546 				/* 2 */ 0,
1547 				/* 3 */ 0,
1548 				/* 4 */ 0,
1549 			},
1550 			/* NOTE: the SPDIF output task read samples in mono
1551 			   format, the AsynchFGTxSCB task writes to buffer
1552 			   in stereo format
1553 			*/
1554 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1555 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1556 			/* 7 */ 0,0,
1557 			/* 8 */ 0,
1558 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1559 			/* A */ spdifo_task->address,
1560 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1561 			{
1562 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1563 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1564 			},
1565 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1566 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1567 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1568 		};
1569 
1570 		/* 0xBB0 */
1571 		struct dsp_spdifiscb spdifi_scb = {
1572 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1573 			/* 1 */ 0,
1574 			/* 2 */ 0,
1575 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1576 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1577 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1578 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1579 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1580 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1581 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1582 			/* A */ spdifi_task->address,
1583 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1584 			/* NOTE: The SPDIF input task write the sample in mono
1585 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1586 			   them in stereo
1587 			*/
1588 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1589 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1590 			/* D */ 0x8048,0,
1591 			/* E */ 0x01f0,0x0001,
1592 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1593 		};
1594 
1595 		/* 0xBA0 */
1596 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1597 			/* 0 */ DSP_SPOS_UUUU,
1598 			/* 1 */ 0,
1599 			/* 2 */ 0,
1600 			/* 3 */ 1,4000,
1601 			/* 4 */ 0x0118,0x0001,
1602 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1603 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1604 			/* 7 */ DSP_SPOS_UU,0x3,
1605 			/* 8 */ DSP_SPOS_UUUU,
1606 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1607 			/* A */ s16_async_codec_input_task->address,
1608 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1609 
1610 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1611 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1612 
1613 #ifdef UseASER1Input
1614 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1615 			   Init. 0000:8042: for ASER1
1616 			   0000:8044: for ASER2 */
1617 			/* D */ 0x8042,0,
1618 
1619 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1620 			   Init 1 stero:8050 ASER1
1621 			   Init 0  mono:8070 ASER2
1622 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1623 			/* E */ 0x0100,0x0001,
1624 
1625 #endif
1626 
1627 #ifdef UseASER2Input
1628 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1629 			   Init. 0000:8042: for ASER1
1630 			   0000:8044: for ASER2 */
1631 			/* D */ 0x8044,0,
1632 
1633 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1634 			   Init 1 stero:8050 ASER1
1635 			   Init 0  mono:8070 ASER2
1636 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1637 			/* E */ 0x0110,0x0001,
1638 
1639 #endif
1640 
1641 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1642 			   AsyncCIOutputBufModulo: The modulo size for
1643 			   the output buffer of this task */
1644 			/* F */ 0, /* DSP_SPOS_UUUU */
1645 		};
1646 
1647 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1648 
1649 		if (snd_BUG_ON(!spdifo_scb_desc))
1650 			return -EIO;
1651 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1652 		if (snd_BUG_ON(!spdifi_scb_desc))
1653 			return -EIO;
1654 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1655 		if (snd_BUG_ON(!async_codec_scb_desc))
1656 			return -EIO;
1657 
1658 		async_codec_scb_desc->parent_scb_ptr = NULL;
1659 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1660 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1661 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1662 
1663 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1664 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1665 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1666 		spdifi_scb_desc->task_entry = spdifi_task;
1667 
1668 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1669 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1670 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1671 		spdifo_scb_desc->task_entry = spdifo_task;
1672 
1673 		/* this one is faked, as the parnet of SPDIFO task
1674 		   is the FG task tree */
1675 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1676 
1677 		/* for proc fs */
1678 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1679 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1680 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1681 
1682 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1683 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1684 	}
1685 
1686 	return 0;
1687 }
1688 
1689 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1690 {
1691 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1692 
1693 	/* set SPDIF output FIFO slot */
1694 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1695 
1696 	/* SPDIF output MASTER ENABLE */
1697 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1698 
1699 	/* right and left validate bit */
1700 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1701 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1702 
1703 	/* clear fifo pointer */
1704 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1705 
1706 	/* monitor state */
1707 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1708 }
1709 
1710 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1711 {
1712 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1713 
1714 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1715 	cs46xx_dsp_disable_spdif_hw (chip);
1716 	udelay(50);
1717 
1718 	/* set SPDIF output FIFO slot */
1719 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1720 
1721 	/* SPDIF output MASTER ENABLE */
1722 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1723 
1724 	/* right and left validate bit */
1725 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1726 
1727 	/* monitor state */
1728 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1729 
1730 	return 0;
1731 }
1732 
1733 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1734 {
1735 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1736 
1737 	/* turn on amplifier */
1738 	chip->active_ctrl(chip, 1);
1739 	chip->amplifier_ctrl(chip, 1);
1740 
1741 	if (snd_BUG_ON(ins->asynch_rx_scb))
1742 		return -EINVAL;
1743 	if (snd_BUG_ON(!ins->spdif_in_src))
1744 		return -EINVAL;
1745 
1746 	mutex_lock(&chip->spos_mutex);
1747 
1748 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1749 		/* time countdown enable */
1750 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1751 		/* NOTE: 80000005 value is just magic. With all values
1752 		   that I've tested this one seem to give the best result.
1753 		   Got no explication why. (Benny) */
1754 
1755 		/* SPDIF input MASTER ENABLE */
1756 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1757 
1758 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1759 	}
1760 
1761 	/* create and start the asynchronous receiver SCB */
1762 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1763 								ASYNCRX_SCB_ADDR,
1764 								SPDIFI_SCB_INST,
1765 								SPDIFI_IP_OUTPUT_BUFFER1,
1766 								ins->spdif_in_src,
1767 								SCB_ON_PARENT_SUBLIST_SCB);
1768 
1769 	spin_lock_irq(&chip->reg_lock);
1770 
1771 	/* reset SPDIF input sample buffer pointer */
1772 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1773 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1774 
1775 	/* reset FIFO ptr */
1776 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1777 	cs46xx_src_link(chip,ins->spdif_in_src);
1778 
1779 	/* unmute SRC volume */
1780 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1781 
1782 	spin_unlock_irq(&chip->reg_lock);
1783 
1784 	/* set SPDIF input sample rate and unmute
1785 	   NOTE: only 48khz support for SPDIF input this time */
1786 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1787 
1788 	/* monitor state */
1789 	ins->spdif_status_in = 1;
1790 	mutex_unlock(&chip->spos_mutex);
1791 
1792 	return 0;
1793 }
1794 
1795 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1796 {
1797 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1798 
1799 	if (snd_BUG_ON(!ins->asynch_rx_scb))
1800 		return -EINVAL;
1801 	if (snd_BUG_ON(!ins->spdif_in_src))
1802 		return -EINVAL;
1803 
1804 	mutex_lock(&chip->spos_mutex);
1805 
1806 	/* Remove the asynchronous receiver SCB */
1807 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1808 	ins->asynch_rx_scb = NULL;
1809 
1810 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1811 
1812 	/* monitor state */
1813 	ins->spdif_status_in = 0;
1814 	mutex_unlock(&chip->spos_mutex);
1815 
1816 	/* restore amplifier */
1817 	chip->active_ctrl(chip, -1);
1818 	chip->amplifier_ctrl(chip, -1);
1819 
1820 	return 0;
1821 }
1822 
1823 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1824 {
1825 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1826 
1827 	if (snd_BUG_ON(ins->pcm_input))
1828 		return -EINVAL;
1829 	if (snd_BUG_ON(!ins->ref_snoop_scb))
1830 		return -EINVAL;
1831 
1832 	mutex_lock(&chip->spos_mutex);
1833 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1834                                                   "PCMSerialInput_Wave");
1835 	mutex_unlock(&chip->spos_mutex);
1836 
1837 	return 0;
1838 }
1839 
1840 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1841 {
1842 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1843 
1844 	if (snd_BUG_ON(!ins->pcm_input))
1845 		return -EINVAL;
1846 
1847 	mutex_lock(&chip->spos_mutex);
1848 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1849 	ins->pcm_input = NULL;
1850 	mutex_unlock(&chip->spos_mutex);
1851 
1852 	return 0;
1853 }
1854 
1855 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1856 {
1857 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1858 
1859 	if (snd_BUG_ON(ins->adc_input))
1860 		return -EINVAL;
1861 	if (snd_BUG_ON(!ins->codec_in_scb))
1862 		return -EINVAL;
1863 
1864 	mutex_lock(&chip->spos_mutex);
1865 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1866 						  "PCMSerialInput_ADC");
1867 	mutex_unlock(&chip->spos_mutex);
1868 
1869 	return 0;
1870 }
1871 
1872 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1873 {
1874 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1875 
1876 	if (snd_BUG_ON(!ins->adc_input))
1877 		return -EINVAL;
1878 
1879 	mutex_lock(&chip->spos_mutex);
1880 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1881 	ins->adc_input = NULL;
1882 	mutex_unlock(&chip->spos_mutex);
1883 
1884 	return 0;
1885 }
1886 
1887 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1888 {
1889 	u32 temp;
1890 	int  i;
1891 
1892 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1893 	   a rough guess from looking at the controller spec.) */
1894 	if (address < 0x8000 || address >= 0x9000)
1895 		return -EINVAL;
1896 
1897 	/* initialize the SP_IO_WRITE SCB with the data. */
1898 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1899 
1900 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1901 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1902 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1903 
1904 	/* Poke this location to tell the task to start */
1905 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1906 
1907 	/* Verify that the task ran */
1908 	for (i=0; i<25; i++) {
1909 		udelay(125);
1910 
1911 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1912 		if (temp == 0x00000000)
1913 			break;
1914 	}
1915 
1916 	if (i == 25) {
1917 		dev_err(chip->card->dev,
1918 			"dsp_spos: SPIOWriteTask not responding\n");
1919 		return -EBUSY;
1920 	}
1921 
1922 	return 0;
1923 }
1924 
1925 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1926 {
1927 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1928 	struct dsp_scb_descriptor * scb;
1929 
1930 	mutex_lock(&chip->spos_mutex);
1931 
1932 	/* main output */
1933 	scb = ins->master_mix_scb->sub_list_ptr;
1934 	while (scb != ins->the_null_scb) {
1935 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1936 		scb = scb->next_scb_ptr;
1937 	}
1938 
1939 	/* rear output */
1940 	scb = ins->rear_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 	ins->dac_volume_left = left;
1947 	ins->dac_volume_right = right;
1948 
1949 	mutex_unlock(&chip->spos_mutex);
1950 
1951 	return 0;
1952 }
1953 
1954 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1955 {
1956 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1957 
1958 	mutex_lock(&chip->spos_mutex);
1959 
1960 	if (ins->asynch_rx_scb != NULL)
1961 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1962 					   left,right);
1963 
1964 	ins->spdif_input_volume_left = left;
1965 	ins->spdif_input_volume_right = right;
1966 
1967 	mutex_unlock(&chip->spos_mutex);
1968 
1969 	return 0;
1970 }
1971 
1972 #ifdef CONFIG_PM_SLEEP
1973 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1974 {
1975 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1976 	int i, err;
1977 
1978 	/* clear parameter, sample and code areas */
1979 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1980 			     DSP_PARAMETER_BYTE_SIZE);
1981 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1982 			     DSP_SAMPLE_BYTE_SIZE);
1983 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1984 
1985 	for (i = 0; i < ins->nmodules; i++) {
1986 		struct dsp_module_desc *module = &ins->modules[i];
1987 		struct dsp_segment_desc *seg;
1988 		u32 doffset, dsize;
1989 
1990 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1991 		err = dsp_load_parameter(chip, seg);
1992 		if (err < 0)
1993 			return err;
1994 
1995 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1996 		err = dsp_load_sample(chip, seg);
1997 		if (err < 0)
1998 			return err;
1999 
2000 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
2001 		if (!seg)
2002 			continue;
2003 
2004 		doffset = seg->offset * 4 + module->load_address * 4
2005 			+ DSP_CODE_BYTE_OFFSET;
2006 		dsize   = seg->size * 4;
2007 		err = snd_cs46xx_download(chip,
2008 					  ins->code.data + module->load_address,
2009 					  doffset, dsize);
2010 		if (err < 0)
2011 			return err;
2012 	}
2013 
2014 	for (i = 0; i < ins->ntask; i++) {
2015 		struct dsp_task_descriptor *t = &ins->tasks[i];
2016 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
2017 	}
2018 
2019 	for (i = 0; i < ins->nscb; i++) {
2020 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2021 		if (s->deleted)
2022 			continue;
2023 		_dsp_create_scb(chip, s->data, s->address);
2024 	}
2025 	for (i = 0; i < ins->nscb; i++) {
2026 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2027 		if (s->deleted)
2028 			continue;
2029 		if (s->updated)
2030 			cs46xx_dsp_spos_update_scb(chip, s);
2031 		if (s->volume_set)
2032 			cs46xx_dsp_scb_set_volume(chip, s,
2033 						  s->volume[0], s->volume[1]);
2034 	}
2035 	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2036 		cs46xx_dsp_enable_spdif_hw(chip);
2037 		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2038 				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2039 		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2040 			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2041 					    ins->spdif_csuv_stream);
2042 	}
2043 	if (chip->dsp_spos_instance->spdif_status_in) {
2044 		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2045 		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2046 	}
2047 	return 0;
2048 }
2049 #endif
2050