xref: /linux/sound/pci/cs46xx/dsp_spos.c (revision 1f2367a39f17bd553a75e179a747f9b257bc9478)
1 /*
2  *   This program is free software; you can redistribute it and/or modify
3  *   it under the terms of the GNU General Public License as published by
4  *   the Free Software Foundation; either version 2 of the License, or
5  *   (at your option) any later version.
6  *
7  *   This program is distributed in the hope that it will be useful,
8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  *   GNU General Public License for more details.
11  *
12  *   You should have received a copy of the GNU General Public License
13  *   along with this program; if not, write to the Free Software
14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
15  *
16  */
17 
18 /*
19  * 2002-07 Benny Sjostrand benny@hostmobility.com
20  */
21 
22 
23 #include <linux/io.h>
24 #include <linux/delay.h>
25 #include <linux/pm.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <linux/mutex.h>
30 
31 #include <sound/core.h>
32 #include <sound/control.h>
33 #include <sound/info.h>
34 #include <sound/asoundef.h>
35 #include "cs46xx.h"
36 
37 #include "cs46xx_lib.h"
38 #include "dsp_spos.h"
39 
40 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
41 				  struct dsp_scb_descriptor * fg_entry);
42 
43 static enum wide_opcode wide_opcodes[] = {
44 	WIDE_FOR_BEGIN_LOOP,
45 	WIDE_FOR_BEGIN_LOOP2,
46 	WIDE_COND_GOTO_ADDR,
47 	WIDE_COND_GOTO_CALL,
48 	WIDE_TBEQ_COND_GOTO_ADDR,
49 	WIDE_TBEQ_COND_CALL_ADDR,
50 	WIDE_TBEQ_NCOND_GOTO_ADDR,
51 	WIDE_TBEQ_NCOND_CALL_ADDR,
52 	WIDE_TBEQ_COND_GOTO1_ADDR,
53 	WIDE_TBEQ_COND_CALL1_ADDR,
54 	WIDE_TBEQ_NCOND_GOTOI_ADDR,
55 	WIDE_TBEQ_NCOND_CALL1_ADDR
56 };
57 
58 static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
59 				       u32 overlay_begin_address)
60 {
61 	unsigned int i = 0, j, nreallocated = 0;
62 	u32 hival,loval,address;
63 	u32 mop_operands,mop_type,wide_op;
64 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
65 
66 	if (snd_BUG_ON(size %2))
67 		return -EINVAL;
68 
69 	while (i < size) {
70 		loval = data[i++];
71 		hival = data[i++];
72 
73 		if (ins->code.offset > 0) {
74 			mop_operands = (hival >> 6) & 0x03fff;
75 			mop_type = mop_operands >> 10;
76 
77 			/* check for wide type instruction */
78 			if (mop_type == 0 &&
79 			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
80 			    (mop_operands & WIDE_INSTR_MASK) != 0) {
81 				wide_op = loval & 0x7f;
82 				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
83 					if (wide_opcodes[j] == wide_op) {
84 						/* need to reallocate instruction */
85 						address  = (hival & 0x00FFF) << 5;
86 						address |=  loval >> 15;
87 
88 						dev_dbg(chip->card->dev,
89 							"handle_wideop[1]: %05x:%05x addr %04x\n",
90 							hival, loval, address);
91 
92 						if ( !(address & 0x8000) ) {
93 							address += (ins->code.offset / 2) - overlay_begin_address;
94 						} else {
95 							dev_dbg(chip->card->dev,
96 								"handle_wideop[1]: ROM symbol not reallocated\n");
97 						}
98 
99 						hival &= 0xFF000;
100 						loval &= 0x07FFF;
101 
102 						hival |= ( (address >> 5)  & 0x00FFF);
103 						loval |= ( (address << 15) & 0xF8000);
104 
105 						address  = (hival & 0x00FFF) << 5;
106 						address |=  loval >> 15;
107 
108 						dev_dbg(chip->card->dev,
109 							"handle_wideop:[2] %05x:%05x addr %04x\n",
110 							hival, loval, address);
111 						nreallocated++;
112 					} /* wide_opcodes[j] == wide_op */
113 				} /* for */
114 			} /* mod_type == 0 ... */
115 		} /* ins->code.offset > 0 */
116 
117 		ins->code.data[ins->code.size++] = loval;
118 		ins->code.data[ins->code.size++] = hival;
119 	}
120 
121 	dev_dbg(chip->card->dev,
122 		"dsp_spos: %d instructions reallocated\n", nreallocated);
123 	return nreallocated;
124 }
125 
126 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
127 {
128 	int i;
129 	for (i = 0;i < module->nsegments; ++i) {
130 		if (module->segments[i].segment_type == seg_type) {
131 			return (module->segments + i);
132 		}
133 	}
134 
135 	return NULL;
136 };
137 
138 static int find_free_symbol_index (struct dsp_spos_instance * ins)
139 {
140 	int index = ins->symbol_table.nsymbols,i;
141 
142 	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
143 		if (ins->symbol_table.symbols[i].deleted) {
144 			index = i;
145 			break;
146 		}
147 	}
148 
149 	return index;
150 }
151 
152 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
153 {
154 	int i;
155 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
156 
157 	if (module->symbol_table.nsymbols > 0) {
158 		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
159 		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
160 			module->overlay_begin_address = module->symbol_table.symbols[0].address;
161 		}
162 	}
163 
164 	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
165 		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
166 			dev_err(chip->card->dev,
167 				"dsp_spos: symbol table is full\n");
168 			return -ENOMEM;
169 		}
170 
171 
172 		if (cs46xx_dsp_lookup_symbol(chip,
173 					     module->symbol_table.symbols[i].symbol_name,
174 					     module->symbol_table.symbols[i].symbol_type) == NULL) {
175 
176 			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
177 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
178 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
179 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
180 
181 			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
182 				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
183 
184 			ins->symbol_table.nsymbols++;
185 		} else {
186 #if 0
187 			dev_dbg(chip->card->dev,
188 				"dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
189 				module->symbol_table.symbols[i].symbol_name); */
190 #endif
191 		}
192 	}
193 
194 	return 0;
195 }
196 
197 static struct dsp_symbol_entry *
198 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
199 {
200 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
201 	struct dsp_symbol_entry * symbol = NULL;
202 	int index;
203 
204 	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
205 		dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
206 		return NULL;
207 	}
208 
209 	if (cs46xx_dsp_lookup_symbol(chip,
210 				     symbol_name,
211 				     type) != NULL) {
212 		dev_err(chip->card->dev,
213 			"dsp_spos: symbol <%s> duplicated\n", symbol_name);
214 		return NULL;
215 	}
216 
217 	index = find_free_symbol_index (ins);
218 
219 	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
220 	ins->symbol_table.symbols[index].address = address;
221 	ins->symbol_table.symbols[index].symbol_type = type;
222 	ins->symbol_table.symbols[index].module = NULL;
223 	ins->symbol_table.symbols[index].deleted = 0;
224 	symbol = (ins->symbol_table.symbols + index);
225 
226 	if (index > ins->symbol_table.highest_frag_index)
227 		ins->symbol_table.highest_frag_index = index;
228 
229 	if (index == ins->symbol_table.nsymbols)
230 		ins->symbol_table.nsymbols++; /* no frag. in list */
231 
232 	return symbol;
233 }
234 
235 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
236 {
237 	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
238 
239 	if (ins == NULL)
240 		return NULL;
241 
242 	/* better to use vmalloc for this big table */
243 	ins->symbol_table.symbols =
244 		vmalloc(array_size(DSP_MAX_SYMBOLS,
245 				   sizeof(struct dsp_symbol_entry)));
246 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
247 	ins->modules = kmalloc_array(DSP_MAX_MODULES,
248 				     sizeof(struct dsp_module_desc),
249 				     GFP_KERNEL);
250 	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
251 		cs46xx_dsp_spos_destroy(chip);
252 		goto error;
253 	}
254 	ins->symbol_table.nsymbols = 0;
255 	ins->symbol_table.highest_frag_index = 0;
256 	ins->code.offset = 0;
257 	ins->code.size = 0;
258 	ins->nscb = 0;
259 	ins->ntask = 0;
260 	ins->nmodules = 0;
261 
262 	/* default SPDIF input sample rate
263 	   to 48000 khz */
264 	ins->spdif_in_sample_rate = 48000;
265 
266 	/* maximize volume */
267 	ins->dac_volume_right = 0x8000;
268 	ins->dac_volume_left = 0x8000;
269 	ins->spdif_input_volume_right = 0x8000;
270 	ins->spdif_input_volume_left = 0x8000;
271 
272 	/* set left and right validity bits and
273 	   default channel status */
274 	ins->spdif_csuv_default =
275 		ins->spdif_csuv_stream =
276 	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
277 	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
278 	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
279 	 /* left and right validity bits */ (1 << 13) | (1 << 12);
280 
281 	return ins;
282 
283 error:
284 	kfree(ins->modules);
285 	kfree(ins->code.data);
286 	vfree(ins->symbol_table.symbols);
287 	kfree(ins);
288 	return NULL;
289 }
290 
291 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
292 {
293 	int i;
294 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
295 
296 	if (snd_BUG_ON(!ins))
297 		return;
298 
299 	mutex_lock(&chip->spos_mutex);
300 	for (i = 0; i < ins->nscb; ++i) {
301 		if (ins->scbs[i].deleted) continue;
302 
303 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
304 #ifdef CONFIG_PM_SLEEP
305 		kfree(ins->scbs[i].data);
306 #endif
307 	}
308 
309 	kfree(ins->code.data);
310 	vfree(ins->symbol_table.symbols);
311 	kfree(ins->modules);
312 	kfree(ins);
313 	mutex_unlock(&chip->spos_mutex);
314 }
315 
316 static int dsp_load_parameter(struct snd_cs46xx *chip,
317 			      struct dsp_segment_desc *parameter)
318 {
319 	u32 doffset, dsize;
320 
321 	if (!parameter) {
322 		dev_dbg(chip->card->dev,
323 			"dsp_spos: module got no parameter segment\n");
324 		return 0;
325 	}
326 
327 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
328 	dsize   = parameter->size * 4;
329 
330 	dev_dbg(chip->card->dev,
331 		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
332 		    doffset,doffset + dsize);
333 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
334 		dev_err(chip->card->dev,
335 			"dsp_spos: failed to download parameter data to DSP\n");
336 		return -EINVAL;
337 	}
338 	return 0;
339 }
340 
341 static int dsp_load_sample(struct snd_cs46xx *chip,
342 			   struct dsp_segment_desc *sample)
343 {
344 	u32 doffset, dsize;
345 
346 	if (!sample) {
347 		dev_dbg(chip->card->dev,
348 			"dsp_spos: module got no sample segment\n");
349 		return 0;
350 	}
351 
352 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
353 	dsize   =  sample->size * 4;
354 
355 	dev_dbg(chip->card->dev,
356 		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
357 		    doffset,doffset + dsize);
358 
359 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
360 		dev_err(chip->card->dev,
361 			"dsp_spos: failed to sample data to DSP\n");
362 		return -EINVAL;
363 	}
364 	return 0;
365 }
366 
367 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
368 {
369 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
370 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
371 	u32 doffset, dsize;
372 	int err;
373 
374 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
375 		dev_err(chip->card->dev,
376 			"dsp_spos: to many modules loaded into DSP\n");
377 		return -ENOMEM;
378 	}
379 
380 	dev_dbg(chip->card->dev,
381 		"dsp_spos: loading module %s into DSP\n", module->module_name);
382 
383 	if (ins->nmodules == 0) {
384 		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
385 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
386 	}
387 
388 	err = dsp_load_parameter(chip, get_segment_desc(module,
389 							SEGTYPE_SP_PARAMETER));
390 	if (err < 0)
391 		return err;
392 
393 	if (ins->nmodules == 0) {
394 		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
395 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
396 	}
397 
398 	err = dsp_load_sample(chip, get_segment_desc(module,
399 						     SEGTYPE_SP_SAMPLE));
400 	if (err < 0)
401 		return err;
402 
403 	if (ins->nmodules == 0) {
404 		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
405 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
406 	}
407 
408 	if (code == NULL) {
409 		dev_dbg(chip->card->dev,
410 			"dsp_spos: module got no code segment\n");
411 	} else {
412 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
413 			dev_err(chip->card->dev,
414 				"dsp_spos: no space available in DSP\n");
415 			return -ENOMEM;
416 		}
417 
418 		module->load_address = ins->code.offset;
419 		module->overlay_begin_address = 0x000;
420 
421 		/* if module has a code segment it must have
422 		   symbol table */
423 		if (snd_BUG_ON(!module->symbol_table.symbols))
424 			return -ENOMEM;
425 		if (add_symbols(chip,module)) {
426 			dev_err(chip->card->dev,
427 				"dsp_spos: failed to load symbol table\n");
428 			return -ENOMEM;
429 		}
430 
431 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
432 		dsize   = code->size * 4;
433 		dev_dbg(chip->card->dev,
434 			"dsp_spos: downloading code to chip (%08x-%08x)\n",
435 			    doffset,doffset + dsize);
436 
437 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
438 
439 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
440 			dev_err(chip->card->dev,
441 				"dsp_spos: failed to download code to DSP\n");
442 			return -EINVAL;
443 		}
444 
445 		ins->code.offset += code->size;
446 	}
447 
448 	/* NOTE: module segments and symbol table must be
449 	   statically allocated. Case that module data is
450 	   not generated by the ospparser */
451 	ins->modules[ins->nmodules] = *module;
452 	ins->nmodules++;
453 
454 	return 0;
455 }
456 
457 struct dsp_symbol_entry *
458 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
459 {
460 	int i;
461 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
462 
463 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
464 
465 		if (ins->symbol_table.symbols[i].deleted)
466 			continue;
467 
468 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
469 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
470 			return (ins->symbol_table.symbols + i);
471 		}
472 	}
473 
474 #if 0
475 	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
476 		symbol_name,symbol_type);
477 #endif
478 
479 	return NULL;
480 }
481 
482 
483 #ifdef CONFIG_SND_PROC_FS
484 static struct dsp_symbol_entry *
485 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
486 {
487 	int i;
488 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
489 
490 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
491 
492 		if (ins->symbol_table.symbols[i].deleted)
493 			continue;
494 
495 		if (ins->symbol_table.symbols[i].address == address &&
496 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
497 			return (ins->symbol_table.symbols + i);
498 		}
499 	}
500 
501 
502 	return NULL;
503 }
504 
505 
506 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
507 					       struct snd_info_buffer *buffer)
508 {
509 	struct snd_cs46xx *chip = entry->private_data;
510 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
511 	int i;
512 
513 	snd_iprintf(buffer, "SYMBOLS:\n");
514 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
515 		char *module_str = "system";
516 
517 		if (ins->symbol_table.symbols[i].deleted)
518 			continue;
519 
520 		if (ins->symbol_table.symbols[i].module != NULL) {
521 			module_str = ins->symbol_table.symbols[i].module->module_name;
522 		}
523 
524 
525 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
526 			    ins->symbol_table.symbols[i].address,
527 			    ins->symbol_table.symbols[i].symbol_type,
528 			    ins->symbol_table.symbols[i].symbol_name,
529 			    module_str);
530 	}
531 }
532 
533 
534 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
535 					  struct snd_info_buffer *buffer)
536 {
537 	struct snd_cs46xx *chip = entry->private_data;
538 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
539 	int i,j;
540 
541 	mutex_lock(&chip->spos_mutex);
542 	snd_iprintf(buffer, "MODULES:\n");
543 	for ( i = 0; i < ins->nmodules; ++i ) {
544 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
545 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
546 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
547 
548 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
549 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
550 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
551 				    desc->segment_type,desc->offset, desc->size);
552 		}
553 	}
554 	mutex_unlock(&chip->spos_mutex);
555 }
556 
557 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
558 					    struct snd_info_buffer *buffer)
559 {
560 	struct snd_cs46xx *chip = entry->private_data;
561 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
562 	int i, j, col;
563 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
564 
565 	mutex_lock(&chip->spos_mutex);
566 	snd_iprintf(buffer, "TASK TREES:\n");
567 	for ( i = 0; i < ins->ntask; ++i) {
568 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
569 
570 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
571 			u32 val;
572 			if (col == 4) {
573 				snd_iprintf(buffer,"\n");
574 				col = 0;
575 			}
576 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
577 			snd_iprintf(buffer,"%08x ",val);
578 		}
579 	}
580 
581 	snd_iprintf(buffer,"\n");
582 	mutex_unlock(&chip->spos_mutex);
583 }
584 
585 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
586 				      struct snd_info_buffer *buffer)
587 {
588 	struct snd_cs46xx *chip = entry->private_data;
589 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
590 	int i;
591 
592 	mutex_lock(&chip->spos_mutex);
593 	snd_iprintf(buffer, "SCB's:\n");
594 	for ( i = 0; i < ins->nscb; ++i) {
595 		if (ins->scbs[i].deleted)
596 			continue;
597 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
598 
599 		if (ins->scbs[i].parent_scb_ptr != NULL) {
600 			snd_iprintf(buffer,"parent [%s:%04x] ",
601 				    ins->scbs[i].parent_scb_ptr->scb_name,
602 				    ins->scbs[i].parent_scb_ptr->address);
603 		} else snd_iprintf(buffer,"parent [none] ");
604 
605 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
606 			    ins->scbs[i].sub_list_ptr->scb_name,
607 			    ins->scbs[i].sub_list_ptr->address,
608 			    ins->scbs[i].next_scb_ptr->scb_name,
609 			    ins->scbs[i].next_scb_ptr->address,
610 			    ins->scbs[i].task_entry->symbol_name,
611 			    ins->scbs[i].task_entry->address);
612 	}
613 
614 	snd_iprintf(buffer,"\n");
615 	mutex_unlock(&chip->spos_mutex);
616 }
617 
618 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
619 						 struct snd_info_buffer *buffer)
620 {
621 	struct snd_cs46xx *chip = entry->private_data;
622 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
623 	unsigned int i, col = 0;
624 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
625 	struct dsp_symbol_entry * symbol;
626 
627 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
628 		if (col == 4) {
629 			snd_iprintf(buffer,"\n");
630 			col = 0;
631 		}
632 
633 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
634 			col = 0;
635 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
636 		}
637 
638 		if (col == 0) {
639 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
640 		}
641 
642 		snd_iprintf(buffer,"%08X ",readl(dst + i));
643 	}
644 }
645 
646 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
647 					      struct snd_info_buffer *buffer)
648 {
649 	struct snd_cs46xx *chip = entry->private_data;
650 	int i,col = 0;
651 	void __iomem *dst = chip->region.idx[2].remap_addr;
652 
653 	snd_iprintf(buffer,"PCMREADER:\n");
654 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
655 		if (col == 4) {
656 			snd_iprintf(buffer,"\n");
657 			col = 0;
658 		}
659 
660 		if (col == 0) {
661 			snd_iprintf(buffer, "%04X ",i);
662 		}
663 
664 		snd_iprintf(buffer,"%08X ",readl(dst + i));
665 	}
666 
667 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
668 
669 	col = 0;
670 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
671 		if (col == 4) {
672 			snd_iprintf(buffer,"\n");
673 			col = 0;
674 		}
675 
676 		if (col == 0) {
677 			snd_iprintf(buffer, "%04X ",i);
678 		}
679 
680 		snd_iprintf(buffer,"%08X ",readl(dst + i));
681 	}
682 
683 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
684 	col = 0;
685 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
686 		if (col == 4) {
687 			snd_iprintf(buffer,"\n");
688 			col = 0;
689 		}
690 
691 		if (col == 0) {
692 			snd_iprintf(buffer, "%04X ",i);
693 		}
694 
695 		snd_iprintf(buffer,"%08X ",readl(dst + i));
696 	}
697 
698 
699 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
700 	col = 0;
701 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
702 		if (col == 4) {
703 			snd_iprintf(buffer,"\n");
704 			col = 0;
705 		}
706 
707 		if (col == 0) {
708 			snd_iprintf(buffer, "%04X ",i);
709 		}
710 
711 		snd_iprintf(buffer,"%08X ",readl(dst + i));
712 	}
713 
714 	snd_iprintf(buffer,"\n...\n");
715 	col = 0;
716 
717 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
718 		if (col == 4) {
719 			snd_iprintf(buffer,"\n");
720 			col = 0;
721 		}
722 
723 		if (col == 0) {
724 			snd_iprintf(buffer, "%04X ",i);
725 		}
726 
727 		snd_iprintf(buffer,"%08X ",readl(dst + i));
728 	}
729 
730 
731 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
732 	col = 0;
733 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
734 		if (col == 4) {
735 			snd_iprintf(buffer,"\n");
736 			col = 0;
737 		}
738 
739 		if (col == 0) {
740 			snd_iprintf(buffer, "%04X ",i);
741 		}
742 
743 		snd_iprintf(buffer,"%08X ",readl(dst + i));
744 	}
745 
746 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
747 	col = 0;
748 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
749 		if (col == 4) {
750 			snd_iprintf(buffer,"\n");
751 			col = 0;
752 		}
753 
754 		if (col == 0) {
755 			snd_iprintf(buffer, "%04X ",i);
756 		}
757 
758 		snd_iprintf(buffer,"%08X ",readl(dst + i));
759 	}
760 #if 0
761 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
762 	col = 0;
763 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
764 		if (col == 4) {
765 			snd_iprintf(buffer,"\n");
766 			col = 0;
767 		}
768 
769 		if (col == 0) {
770 			snd_iprintf(buffer, "%04X ",i);
771 		}
772 
773 		snd_iprintf(buffer,"%08X ",readl(dst + i));
774 	}
775 #endif
776 
777 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
778 	col = 0;
779 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
780 		if (col == 4) {
781 			snd_iprintf(buffer,"\n");
782 			col = 0;
783 		}
784 
785 		if (col == 0) {
786 			snd_iprintf(buffer, "%04X ",i);
787 		}
788 
789 		snd_iprintf(buffer,"%08X ",readl(dst + i));
790 	}
791 	snd_iprintf(buffer,"\n");
792 }
793 
794 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
795 {
796 	struct snd_info_entry *entry;
797 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
798 	int i;
799 
800 	ins->snd_card = card;
801 
802 	entry = snd_info_create_card_entry(card, "dsp", card->proc_root);
803 	if (entry)
804 		entry->mode = S_IFDIR | 0555;
805 	ins->proc_dsp_dir = entry;
806 
807 	if (!ins->proc_dsp_dir)
808 		return -ENOMEM;
809 
810 	entry = snd_info_create_card_entry(card, "spos_symbols",
811 					   ins->proc_dsp_dir);
812 	if (entry)
813 		snd_info_set_text_ops(entry, chip,
814 				      cs46xx_dsp_proc_symbol_table_read);
815 
816 	entry = snd_info_create_card_entry(card, "spos_modules",
817 					   ins->proc_dsp_dir);
818 	if (entry)
819 		snd_info_set_text_ops(entry, chip,
820 				      cs46xx_dsp_proc_modules_read);
821 
822 	entry = snd_info_create_card_entry(card, "parameter",
823 					   ins->proc_dsp_dir);
824 	if (entry)
825 		snd_info_set_text_ops(entry, chip,
826 				      cs46xx_dsp_proc_parameter_dump_read);
827 
828 	entry = snd_info_create_card_entry(card, "sample",
829 					   ins->proc_dsp_dir);
830 	if (entry)
831 		snd_info_set_text_ops(entry, chip,
832 				      cs46xx_dsp_proc_sample_dump_read);
833 
834 	entry = snd_info_create_card_entry(card, "task_tree",
835 					   ins->proc_dsp_dir);
836 	if (entry)
837 		snd_info_set_text_ops(entry, chip,
838 				      cs46xx_dsp_proc_task_tree_read);
839 
840 	entry = snd_info_create_card_entry(card, "scb_info",
841 					   ins->proc_dsp_dir);
842 	if (entry)
843 		snd_info_set_text_ops(entry, chip,
844 				      cs46xx_dsp_proc_scb_read);
845 
846 	mutex_lock(&chip->spos_mutex);
847 	/* register/update SCB's entries on proc */
848 	for (i = 0; i < ins->nscb; ++i) {
849 		if (ins->scbs[i].deleted) continue;
850 
851 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
852 	}
853 	mutex_unlock(&chip->spos_mutex);
854 
855 	return 0;
856 }
857 
858 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
859 {
860 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
861 	int i;
862 
863 	if (!ins)
864 		return 0;
865 
866 	mutex_lock(&chip->spos_mutex);
867 	for (i = 0; i < ins->nscb; ++i) {
868 		if (ins->scbs[i].deleted) continue;
869 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
870 	}
871 	mutex_unlock(&chip->spos_mutex);
872 
873 	snd_info_free_entry(ins->proc_dsp_dir);
874 	ins->proc_dsp_dir = NULL;
875 
876 	return 0;
877 }
878 #endif /* CONFIG_SND_PROC_FS */
879 
880 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
881 				   u32  dest, int size)
882 {
883 	void __iomem *spdst = chip->region.idx[1].remap_addr +
884 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
885 	int i;
886 
887 	for (i = 0; i < size; ++i) {
888 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
889 			spdst, task_data[i]);
890 		writel(task_data[i],spdst);
891 		spdst += sizeof(u32);
892 	}
893 }
894 
895 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
896 {
897 	void __iomem *spdst = chip->region.idx[1].remap_addr +
898 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
899 	int i;
900 
901 	for (i = 0; i < 0x10; ++i) {
902 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
903 			spdst, scb_data[i]);
904 		writel(scb_data[i],spdst);
905 		spdst += sizeof(u32);
906 	}
907 }
908 
909 static int find_free_scb_index (struct dsp_spos_instance * ins)
910 {
911 	int index = ins->nscb, i;
912 
913 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
914 		if (ins->scbs[i].deleted) {
915 			index = i;
916 			break;
917 		}
918 	}
919 
920 	return index;
921 }
922 
923 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
924 {
925 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
926 	struct dsp_scb_descriptor * desc = NULL;
927 	int index;
928 
929 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
930 		dev_err(chip->card->dev,
931 			"dsp_spos: got no place for other SCB\n");
932 		return NULL;
933 	}
934 
935 	index = find_free_scb_index (ins);
936 
937 	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
938 	strcpy(ins->scbs[index].scb_name, name);
939 	ins->scbs[index].address = dest;
940 	ins->scbs[index].index = index;
941 	ins->scbs[index].ref_count = 1;
942 
943 	desc = (ins->scbs + index);
944 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
945 
946 	if (index > ins->scb_highest_frag_index)
947 		ins->scb_highest_frag_index = index;
948 
949 	if (index == ins->nscb)
950 		ins->nscb++;
951 
952 	return desc;
953 }
954 
955 static struct dsp_task_descriptor *
956 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
957 {
958 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
959 	struct dsp_task_descriptor * desc = NULL;
960 
961 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
962 		dev_err(chip->card->dev,
963 			"dsp_spos: got no place for other TASK\n");
964 		return NULL;
965 	}
966 
967 	if (name)
968 		strcpy(ins->tasks[ins->ntask].task_name, name);
969 	else
970 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
971 	ins->tasks[ins->ntask].address = dest;
972 	ins->tasks[ins->ntask].size = size;
973 
974 	/* quick find in list */
975 	ins->tasks[ins->ntask].index = ins->ntask;
976 	desc = (ins->tasks + ins->ntask);
977 	ins->ntask++;
978 
979 	if (name)
980 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
981 	return desc;
982 }
983 
984 #define SCB_BYTES	(0x10 * 4)
985 
986 struct dsp_scb_descriptor *
987 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
988 {
989 	struct dsp_scb_descriptor * desc;
990 
991 #ifdef CONFIG_PM_SLEEP
992 	/* copy the data for resume */
993 	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
994 	if (!scb_data)
995 		return NULL;
996 #endif
997 
998 	desc = _map_scb (chip,name,dest);
999 	if (desc) {
1000 		desc->data = scb_data;
1001 		_dsp_create_scb(chip,scb_data,dest);
1002 	} else {
1003 		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
1004 #ifdef CONFIG_PM_SLEEP
1005 		kfree(scb_data);
1006 #endif
1007 	}
1008 
1009 	return desc;
1010 }
1011 
1012 
1013 static struct dsp_task_descriptor *
1014 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1015 			     u32 dest, int size)
1016 {
1017 	struct dsp_task_descriptor * desc;
1018 
1019 	desc = _map_task_tree (chip,name,dest,size);
1020 	if (desc) {
1021 		desc->data = task_data;
1022 		_dsp_create_task_tree(chip,task_data,dest,size);
1023 	} else {
1024 		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1025 	}
1026 
1027 	return desc;
1028 }
1029 
1030 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1031 {
1032 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1033 	struct dsp_symbol_entry * fg_task_tree_header_code;
1034 	struct dsp_symbol_entry * task_tree_header_code;
1035 	struct dsp_symbol_entry * task_tree_thread;
1036 	struct dsp_symbol_entry * null_algorithm;
1037 	struct dsp_symbol_entry * magic_snoop_task;
1038 
1039 	struct dsp_scb_descriptor * timing_master_scb;
1040 	struct dsp_scb_descriptor * codec_out_scb;
1041 	struct dsp_scb_descriptor * codec_in_scb;
1042 	struct dsp_scb_descriptor * src_task_scb;
1043 	struct dsp_scb_descriptor * master_mix_scb;
1044 	struct dsp_scb_descriptor * rear_mix_scb;
1045 	struct dsp_scb_descriptor * record_mix_scb;
1046 	struct dsp_scb_descriptor * write_back_scb;
1047 	struct dsp_scb_descriptor * vari_decimate_scb;
1048 	struct dsp_scb_descriptor * rear_codec_out_scb;
1049 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1050 	struct dsp_scb_descriptor * magic_snoop_scb;
1051 
1052 	int fifo_addr, fifo_span, valid_slots;
1053 
1054 	static struct dsp_spos_control_block sposcb = {
1055 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1056 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1057 		/* 2 */ DSP_SPOS_DC,0,
1058 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1059 		/* 4 */ 0,0,
1060 		/* 5 */ DSP_SPOS_UU,0,
1061 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1062 		/* 7 */ 0,0,
1063 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1064 		/* 9 */ 0,
1065 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1066 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1067 		/* C */ DSP_SPOS_DC_DC,
1068 		/* D */ DSP_SPOS_DC_DC,
1069 		/* E */ DSP_SPOS_DC_DC,
1070 		/* F */ DSP_SPOS_DC_DC
1071 	};
1072 
1073 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1074 
1075 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1076 	if (null_algorithm == NULL) {
1077 		dev_err(chip->card->dev,
1078 			"dsp_spos: symbol NULLALGORITHM not found\n");
1079 		return -EIO;
1080 	}
1081 
1082 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1083 	if (fg_task_tree_header_code == NULL) {
1084 		dev_err(chip->card->dev,
1085 			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1086 		return -EIO;
1087 	}
1088 
1089 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1090 	if (task_tree_header_code == NULL) {
1091 		dev_err(chip->card->dev,
1092 			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1093 		return -EIO;
1094 	}
1095 
1096 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1097 	if (task_tree_thread == NULL) {
1098 		dev_err(chip->card->dev,
1099 			"dsp_spos: symbol TASKTREETHREAD not found\n");
1100 		return -EIO;
1101 	}
1102 
1103 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1104 	if (magic_snoop_task == NULL) {
1105 		dev_err(chip->card->dev,
1106 			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1107 		return -EIO;
1108 	}
1109 
1110 	{
1111 		/* create the null SCB */
1112 		static struct dsp_generic_scb null_scb = {
1113 			{ 0, 0, 0, 0 },
1114 			{ 0, 0, 0, 0, 0 },
1115 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1116 			0, 0, 0, 0, 0,
1117 			{
1118 				0,0,
1119 				0,0,
1120 			}
1121 		};
1122 
1123 		null_scb.entry_point = null_algorithm->address;
1124 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1125 		ins->the_null_scb->task_entry = null_algorithm;
1126 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1127 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1128 		ins->the_null_scb->parent_scb_ptr = NULL;
1129 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1130 	}
1131 
1132 	{
1133 		/* setup foreground task tree */
1134 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1135 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1136 			  DSP_SPOS_DC_DC,
1137 			  DSP_SPOS_DC_DC,
1138 			  0x0000,DSP_SPOS_DC,
1139 			  DSP_SPOS_DC, DSP_SPOS_DC,
1140 			  DSP_SPOS_DC_DC,
1141 			  DSP_SPOS_DC_DC,
1142 			  DSP_SPOS_DC_DC,
1143 			  DSP_SPOS_DC,DSP_SPOS_DC },
1144 
1145 			{
1146 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1147 				0,
1148 				FG_TASK_HEADER_ADDR + TCBData,
1149 			},
1150 
1151 			{
1152 				4,0,
1153 				1,0,
1154 				2,SPOSCB_ADDR + HFGFlags,
1155 				0,0,
1156 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1157 			},
1158 
1159 			{
1160 				DSP_SPOS_DC,0,
1161 				DSP_SPOS_DC,DSP_SPOS_DC,
1162 				DSP_SPOS_DC,DSP_SPOS_DC,
1163 				DSP_SPOS_DC,DSP_SPOS_DC,
1164 				DSP_SPOS_DC,DSP_SPOS_DC,
1165 				DSP_SPOS_DCDC,
1166 				DSP_SPOS_UU,1,
1167 				DSP_SPOS_DCDC,
1168 				DSP_SPOS_DCDC,
1169 				DSP_SPOS_DCDC,
1170 				DSP_SPOS_DCDC,
1171 				DSP_SPOS_DCDC,
1172 				DSP_SPOS_DCDC,
1173 				DSP_SPOS_DCDC,
1174 				DSP_SPOS_DCDC,
1175 				DSP_SPOS_DCDC,
1176 				DSP_SPOS_DCDC,
1177 				DSP_SPOS_DCDC,
1178 				DSP_SPOS_DCDC,
1179 				DSP_SPOS_DCDC,
1180 				DSP_SPOS_DCDC,
1181 				DSP_SPOS_DCDC,
1182 				DSP_SPOS_DCDC,
1183 				DSP_SPOS_DCDC,
1184 				DSP_SPOS_DCDC,
1185 				DSP_SPOS_DCDC,
1186 				DSP_SPOS_DCDC,
1187 				DSP_SPOS_DCDC,
1188 				DSP_SPOS_DCDC,
1189 				DSP_SPOS_DCDC,
1190 				DSP_SPOS_DCDC,
1191 				DSP_SPOS_DCDC,
1192 				DSP_SPOS_DCDC,
1193 				DSP_SPOS_DCDC,
1194 				DSP_SPOS_DCDC
1195 			},
1196 			{
1197 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1198 				0,0
1199 			}
1200 		};
1201 
1202 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1203 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1204 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1205 	}
1206 
1207 
1208 	{
1209 		/* setup foreground task tree */
1210 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1211 			{ DSP_SPOS_DC_DC,
1212 			  DSP_SPOS_DC_DC,
1213 			  DSP_SPOS_DC_DC,
1214 			  DSP_SPOS_DC, DSP_SPOS_DC,
1215 			  DSP_SPOS_DC, DSP_SPOS_DC,
1216 			  DSP_SPOS_DC_DC,
1217 			  DSP_SPOS_DC_DC,
1218 			  DSP_SPOS_DC_DC,
1219 			  DSP_SPOS_DC,DSP_SPOS_DC },
1220 
1221 			{
1222 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1223 				0,
1224 				BG_TREE_SCB_ADDR + TCBData,
1225 			},
1226 
1227 			{
1228 				9999,0,
1229 				0,1,
1230 				0,SPOSCB_ADDR + HFGFlags,
1231 				0,0,
1232 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1233 			},
1234 
1235 			{
1236 				DSP_SPOS_DC,0,
1237 				DSP_SPOS_DC,DSP_SPOS_DC,
1238 				DSP_SPOS_DC,DSP_SPOS_DC,
1239 				DSP_SPOS_DC,DSP_SPOS_DC,
1240 				DSP_SPOS_DC,DSP_SPOS_DC,
1241 				DSP_SPOS_DCDC,
1242 				DSP_SPOS_UU,1,
1243 				DSP_SPOS_DCDC,
1244 				DSP_SPOS_DCDC,
1245 				DSP_SPOS_DCDC,
1246 				DSP_SPOS_DCDC,
1247 				DSP_SPOS_DCDC,
1248 				DSP_SPOS_DCDC,
1249 				DSP_SPOS_DCDC,
1250 				DSP_SPOS_DCDC,
1251 				DSP_SPOS_DCDC,
1252 				DSP_SPOS_DCDC,
1253 				DSP_SPOS_DCDC,
1254 				DSP_SPOS_DCDC,
1255 				DSP_SPOS_DCDC,
1256 				DSP_SPOS_DCDC,
1257 				DSP_SPOS_DCDC,
1258 				DSP_SPOS_DCDC,
1259 				DSP_SPOS_DCDC,
1260 				DSP_SPOS_DCDC,
1261 				DSP_SPOS_DCDC,
1262 				DSP_SPOS_DCDC,
1263 				DSP_SPOS_DCDC,
1264 				DSP_SPOS_DCDC,
1265 				DSP_SPOS_DCDC,
1266 				DSP_SPOS_DCDC,
1267 				DSP_SPOS_DCDC,
1268 				DSP_SPOS_DCDC,
1269 				DSP_SPOS_DCDC,
1270 				DSP_SPOS_DCDC
1271 			},
1272 			{
1273 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1274 				0,0
1275 			}
1276 		};
1277 
1278 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1279 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1280 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1281 	}
1282 
1283 	/* create timing master SCB */
1284 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1285 
1286 	/* create the CODEC output task */
1287 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1288 							MASTERMIX_SCB_ADDR,
1289 							CODECOUT_SCB_ADDR,timing_master_scb,
1290 							SCB_ON_PARENT_SUBLIST_SCB);
1291 
1292 	if (!codec_out_scb) goto _fail_end;
1293 	/* create the master mix SCB */
1294 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1295 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1296 							codec_out_scb,
1297 							SCB_ON_PARENT_SUBLIST_SCB);
1298 	ins->master_mix_scb = master_mix_scb;
1299 
1300 	if (!master_mix_scb) goto _fail_end;
1301 
1302 	/* create codec in */
1303 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1304 						      CODEC_INPUT_BUF1,
1305 						      CODECIN_SCB_ADDR,codec_out_scb,
1306 						      SCB_ON_PARENT_NEXT_SCB);
1307 	if (!codec_in_scb) goto _fail_end;
1308 	ins->codec_in_scb = codec_in_scb;
1309 
1310 	/* create write back scb */
1311 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1312 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1313 							      WRITEBACK_SCB_ADDR,
1314 							      timing_master_scb,
1315 							      SCB_ON_PARENT_NEXT_SCB);
1316 	if (!write_back_scb) goto _fail_end;
1317 
1318 	{
1319 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1320 			0x00020000,
1321 			0x0000ffff
1322 		};
1323 
1324 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1325 						 (u32 *)&mix2_ostream_spb,
1326 						 WRITE_BACK_SPB, 2))
1327 			goto _fail_end;
1328 	}
1329 
1330 	/* input sample converter */
1331 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1332 								VARI_DECIMATE_BUF0,
1333 								VARI_DECIMATE_BUF1,
1334 								VARIDECIMATE_SCB_ADDR,
1335 								write_back_scb,
1336 								SCB_ON_PARENT_SUBLIST_SCB);
1337 	if (!vari_decimate_scb) goto _fail_end;
1338 
1339 	/* create the record mixer SCB */
1340 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1341 							MIX_SAMPLE_BUF2,
1342 							RECORD_MIXER_SCB_ADDR,
1343 							vari_decimate_scb,
1344 							SCB_ON_PARENT_SUBLIST_SCB);
1345 	ins->record_mixer_scb = record_mix_scb;
1346 
1347 	if (!record_mix_scb) goto _fail_end;
1348 
1349 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1350 
1351 	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1352 		goto _fail_end;
1353 
1354 	if (chip->nr_ac97_codecs == 1) {
1355 		/* output on slot 5 and 11
1356 		   on primary CODEC */
1357 		fifo_addr = 0x20;
1358 		fifo_span = 0x60;
1359 
1360 		/* enable slot 5 and 11 */
1361 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1362 	} else {
1363 		/* output on slot 7 and 8
1364 		   on secondary CODEC */
1365 		fifo_addr = 0x40;
1366 		fifo_span = 0x10;
1367 
1368 		/* enable slot 7 and 8 */
1369 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1370 	}
1371 	/* create CODEC tasklet for rear speakers output*/
1372 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1373 							     REAR_MIXER_SCB_ADDR,
1374 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1375 							     SCB_ON_PARENT_NEXT_SCB);
1376 	if (!rear_codec_out_scb) goto _fail_end;
1377 
1378 
1379 	/* create the rear PCM channel  mixer SCB */
1380 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1381 						      MIX_SAMPLE_BUF3,
1382 						      REAR_MIXER_SCB_ADDR,
1383 						      rear_codec_out_scb,
1384 						      SCB_ON_PARENT_SUBLIST_SCB);
1385 	ins->rear_mix_scb = rear_mix_scb;
1386 	if (!rear_mix_scb) goto _fail_end;
1387 
1388 	if (chip->nr_ac97_codecs == 2) {
1389 		/* create CODEC tasklet for rear Center/LFE output
1390 		   slot 6 and 9 on secondary CODEC */
1391 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1392 								     CLFE_MIXER_SCB_ADDR,
1393 								     CLFE_CODEC_SCB_ADDR,
1394 								     rear_codec_out_scb,
1395 								     SCB_ON_PARENT_NEXT_SCB);
1396 		if (!clfe_codec_out_scb) goto _fail_end;
1397 
1398 
1399 		/* create the rear PCM channel  mixer SCB */
1400 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1401 									 MIX_SAMPLE_BUF4,
1402 									 CLFE_MIXER_SCB_ADDR,
1403 									 clfe_codec_out_scb,
1404 									 SCB_ON_PARENT_SUBLIST_SCB);
1405 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1406 
1407 		/* enable slot 6 and 9 */
1408 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1409 	} else {
1410 		clfe_codec_out_scb = rear_codec_out_scb;
1411 		ins->center_lfe_mix_scb = rear_mix_scb;
1412 	}
1413 
1414 	/* enable slots depending on CODEC configuration */
1415 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1416 
1417 	/* the magic snooper */
1418 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1419 							     OUTPUT_SNOOP_BUFFER,
1420 							     codec_out_scb,
1421 							     clfe_codec_out_scb,
1422 							     SCB_ON_PARENT_NEXT_SCB);
1423 
1424 
1425 	if (!magic_snoop_scb) goto _fail_end;
1426 	ins->ref_snoop_scb = magic_snoop_scb;
1427 
1428 	/* SP IO access */
1429 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1430 					      magic_snoop_scb,
1431 					      SCB_ON_PARENT_NEXT_SCB))
1432 		goto _fail_end;
1433 
1434 	/* SPDIF input sampel rate converter */
1435 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1436 						      ins->spdif_in_sample_rate,
1437 						      SRC_OUTPUT_BUF1,
1438 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1439 						      master_mix_scb,
1440 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1441 
1442 	if (!src_task_scb) goto _fail_end;
1443 	cs46xx_src_unlink(chip,src_task_scb);
1444 
1445 	/* NOTE: when we now how to detect the SPDIF input
1446 	   sample rate we will use this SRC to adjust it */
1447 	ins->spdif_in_src = src_task_scb;
1448 
1449 	cs46xx_dsp_async_init(chip,timing_master_scb);
1450 	return 0;
1451 
1452  _fail_end:
1453 	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1454 	return -EINVAL;
1455 }
1456 
1457 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1458 				  struct dsp_scb_descriptor * fg_entry)
1459 {
1460 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1461 	struct dsp_symbol_entry * s16_async_codec_input_task;
1462 	struct dsp_symbol_entry * spdifo_task;
1463 	struct dsp_symbol_entry * spdifi_task;
1464 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1465 
1466 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1467 	if (s16_async_codec_input_task == NULL) {
1468 		dev_err(chip->card->dev,
1469 			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1470 		return -EIO;
1471 	}
1472 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1473 	if (spdifo_task == NULL) {
1474 		dev_err(chip->card->dev,
1475 			"dsp_spos: symbol SPDIFOTASK not found\n");
1476 		return -EIO;
1477 	}
1478 
1479 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1480 	if (spdifi_task == NULL) {
1481 		dev_err(chip->card->dev,
1482 			"dsp_spos: symbol SPDIFITASK not found\n");
1483 		return -EIO;
1484 	}
1485 
1486 	{
1487 		/* 0xBC0 */
1488 		struct dsp_spdifoscb spdifo_scb = {
1489 			/* 0 */ DSP_SPOS_UUUU,
1490 			{
1491 				/* 1 */ 0xb0,
1492 				/* 2 */ 0,
1493 				/* 3 */ 0,
1494 				/* 4 */ 0,
1495 			},
1496 			/* NOTE: the SPDIF output task read samples in mono
1497 			   format, the AsynchFGTxSCB task writes to buffer
1498 			   in stereo format
1499 			*/
1500 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1501 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1502 			/* 7 */ 0,0,
1503 			/* 8 */ 0,
1504 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1505 			/* A */ spdifo_task->address,
1506 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1507 			{
1508 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1509 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1510 			},
1511 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1512 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1513 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1514 		};
1515 
1516 		/* 0xBB0 */
1517 		struct dsp_spdifiscb spdifi_scb = {
1518 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1519 			/* 1 */ 0,
1520 			/* 2 */ 0,
1521 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1522 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1523 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1524 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1525 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1526 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1527 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1528 			/* A */ spdifi_task->address,
1529 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1530 			/* NOTE: The SPDIF input task write the sample in mono
1531 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1532 			   them in stereo
1533 			*/
1534 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1535 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1536 			/* D */ 0x8048,0,
1537 			/* E */ 0x01f0,0x0001,
1538 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1539 		};
1540 
1541 		/* 0xBA0 */
1542 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1543 			/* 0 */ DSP_SPOS_UUUU,
1544 			/* 1 */ 0,
1545 			/* 2 */ 0,
1546 			/* 3 */ 1,4000,
1547 			/* 4 */ 0x0118,0x0001,
1548 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1549 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1550 			/* 7 */ DSP_SPOS_UU,0x3,
1551 			/* 8 */ DSP_SPOS_UUUU,
1552 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1553 			/* A */ s16_async_codec_input_task->address,
1554 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1555 
1556 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1557 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1558 
1559 #ifdef UseASER1Input
1560 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1561 			   Init. 0000:8042: for ASER1
1562 			   0000:8044: for ASER2 */
1563 			/* D */ 0x8042,0,
1564 
1565 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1566 			   Init 1 stero:8050 ASER1
1567 			   Init 0  mono:8070 ASER2
1568 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1569 			/* E */ 0x0100,0x0001,
1570 
1571 #endif
1572 
1573 #ifdef UseASER2Input
1574 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1575 			   Init. 0000:8042: for ASER1
1576 			   0000:8044: for ASER2 */
1577 			/* D */ 0x8044,0,
1578 
1579 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1580 			   Init 1 stero:8050 ASER1
1581 			   Init 0  mono:8070 ASER2
1582 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1583 			/* E */ 0x0110,0x0001,
1584 
1585 #endif
1586 
1587 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1588 			   AsyncCIOutputBufModulo: The modulo size for
1589 			   the output buffer of this task */
1590 			/* F */ 0, /* DSP_SPOS_UUUU */
1591 		};
1592 
1593 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1594 
1595 		if (snd_BUG_ON(!spdifo_scb_desc))
1596 			return -EIO;
1597 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1598 		if (snd_BUG_ON(!spdifi_scb_desc))
1599 			return -EIO;
1600 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1601 		if (snd_BUG_ON(!async_codec_scb_desc))
1602 			return -EIO;
1603 
1604 		async_codec_scb_desc->parent_scb_ptr = NULL;
1605 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1606 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1607 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1608 
1609 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1610 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1611 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1612 		spdifi_scb_desc->task_entry = spdifi_task;
1613 
1614 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1615 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1616 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1617 		spdifo_scb_desc->task_entry = spdifo_task;
1618 
1619 		/* this one is faked, as the parnet of SPDIFO task
1620 		   is the FG task tree */
1621 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1622 
1623 		/* for proc fs */
1624 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1625 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1626 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1627 
1628 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1629 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1630 	}
1631 
1632 	return 0;
1633 }
1634 
1635 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1636 {
1637 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1638 
1639 	/* set SPDIF output FIFO slot */
1640 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1641 
1642 	/* SPDIF output MASTER ENABLE */
1643 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1644 
1645 	/* right and left validate bit */
1646 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1647 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1648 
1649 	/* clear fifo pointer */
1650 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1651 
1652 	/* monitor state */
1653 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1654 }
1655 
1656 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1657 {
1658 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1659 
1660 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1661 	cs46xx_dsp_disable_spdif_hw (chip);
1662 	udelay(50);
1663 
1664 	/* set SPDIF output FIFO slot */
1665 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1666 
1667 	/* SPDIF output MASTER ENABLE */
1668 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1669 
1670 	/* right and left validate bit */
1671 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1672 
1673 	/* monitor state */
1674 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1675 
1676 	return 0;
1677 }
1678 
1679 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1680 {
1681 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1682 
1683 	/* turn on amplifier */
1684 	chip->active_ctrl(chip, 1);
1685 	chip->amplifier_ctrl(chip, 1);
1686 
1687 	if (snd_BUG_ON(ins->asynch_rx_scb))
1688 		return -EINVAL;
1689 	if (snd_BUG_ON(!ins->spdif_in_src))
1690 		return -EINVAL;
1691 
1692 	mutex_lock(&chip->spos_mutex);
1693 
1694 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1695 		/* time countdown enable */
1696 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1697 		/* NOTE: 80000005 value is just magic. With all values
1698 		   that I've tested this one seem to give the best result.
1699 		   Got no explication why. (Benny) */
1700 
1701 		/* SPDIF input MASTER ENABLE */
1702 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1703 
1704 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1705 	}
1706 
1707 	/* create and start the asynchronous receiver SCB */
1708 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1709 								ASYNCRX_SCB_ADDR,
1710 								SPDIFI_SCB_INST,
1711 								SPDIFI_IP_OUTPUT_BUFFER1,
1712 								ins->spdif_in_src,
1713 								SCB_ON_PARENT_SUBLIST_SCB);
1714 
1715 	spin_lock_irq(&chip->reg_lock);
1716 
1717 	/* reset SPDIF input sample buffer pointer */
1718 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1719 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1720 
1721 	/* reset FIFO ptr */
1722 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1723 	cs46xx_src_link(chip,ins->spdif_in_src);
1724 
1725 	/* unmute SRC volume */
1726 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1727 
1728 	spin_unlock_irq(&chip->reg_lock);
1729 
1730 	/* set SPDIF input sample rate and unmute
1731 	   NOTE: only 48khz support for SPDIF input this time */
1732 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1733 
1734 	/* monitor state */
1735 	ins->spdif_status_in = 1;
1736 	mutex_unlock(&chip->spos_mutex);
1737 
1738 	return 0;
1739 }
1740 
1741 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1742 {
1743 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1744 
1745 	if (snd_BUG_ON(!ins->asynch_rx_scb))
1746 		return -EINVAL;
1747 	if (snd_BUG_ON(!ins->spdif_in_src))
1748 		return -EINVAL;
1749 
1750 	mutex_lock(&chip->spos_mutex);
1751 
1752 	/* Remove the asynchronous receiver SCB */
1753 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1754 	ins->asynch_rx_scb = NULL;
1755 
1756 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1757 
1758 	/* monitor state */
1759 	ins->spdif_status_in = 0;
1760 	mutex_unlock(&chip->spos_mutex);
1761 
1762 	/* restore amplifier */
1763 	chip->active_ctrl(chip, -1);
1764 	chip->amplifier_ctrl(chip, -1);
1765 
1766 	return 0;
1767 }
1768 
1769 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1770 {
1771 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1772 
1773 	if (snd_BUG_ON(ins->pcm_input))
1774 		return -EINVAL;
1775 	if (snd_BUG_ON(!ins->ref_snoop_scb))
1776 		return -EINVAL;
1777 
1778 	mutex_lock(&chip->spos_mutex);
1779 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1780                                                   "PCMSerialInput_Wave");
1781 	mutex_unlock(&chip->spos_mutex);
1782 
1783 	return 0;
1784 }
1785 
1786 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1787 {
1788 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1789 
1790 	if (snd_BUG_ON(!ins->pcm_input))
1791 		return -EINVAL;
1792 
1793 	mutex_lock(&chip->spos_mutex);
1794 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1795 	ins->pcm_input = NULL;
1796 	mutex_unlock(&chip->spos_mutex);
1797 
1798 	return 0;
1799 }
1800 
1801 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1802 {
1803 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1804 
1805 	if (snd_BUG_ON(ins->adc_input))
1806 		return -EINVAL;
1807 	if (snd_BUG_ON(!ins->codec_in_scb))
1808 		return -EINVAL;
1809 
1810 	mutex_lock(&chip->spos_mutex);
1811 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1812 						  "PCMSerialInput_ADC");
1813 	mutex_unlock(&chip->spos_mutex);
1814 
1815 	return 0;
1816 }
1817 
1818 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1819 {
1820 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1821 
1822 	if (snd_BUG_ON(!ins->adc_input))
1823 		return -EINVAL;
1824 
1825 	mutex_lock(&chip->spos_mutex);
1826 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1827 	ins->adc_input = NULL;
1828 	mutex_unlock(&chip->spos_mutex);
1829 
1830 	return 0;
1831 }
1832 
1833 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1834 {
1835 	u32 temp;
1836 	int  i;
1837 
1838 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1839 	   a rough guess from looking at the controller spec.) */
1840 	if (address < 0x8000 || address >= 0x9000)
1841 		return -EINVAL;
1842 
1843 	/* initialize the SP_IO_WRITE SCB with the data. */
1844 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1845 
1846 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1847 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1848 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1849 
1850 	/* Poke this location to tell the task to start */
1851 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1852 
1853 	/* Verify that the task ran */
1854 	for (i=0; i<25; i++) {
1855 		udelay(125);
1856 
1857 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1858 		if (temp == 0x00000000)
1859 			break;
1860 	}
1861 
1862 	if (i == 25) {
1863 		dev_err(chip->card->dev,
1864 			"dsp_spos: SPIOWriteTask not responding\n");
1865 		return -EBUSY;
1866 	}
1867 
1868 	return 0;
1869 }
1870 
1871 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1872 {
1873 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1874 	struct dsp_scb_descriptor * scb;
1875 
1876 	mutex_lock(&chip->spos_mutex);
1877 
1878 	/* main output */
1879 	scb = ins->master_mix_scb->sub_list_ptr;
1880 	while (scb != ins->the_null_scb) {
1881 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1882 		scb = scb->next_scb_ptr;
1883 	}
1884 
1885 	/* rear output */
1886 	scb = ins->rear_mix_scb->sub_list_ptr;
1887 	while (scb != ins->the_null_scb) {
1888 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1889 		scb = scb->next_scb_ptr;
1890 	}
1891 
1892 	ins->dac_volume_left = left;
1893 	ins->dac_volume_right = right;
1894 
1895 	mutex_unlock(&chip->spos_mutex);
1896 
1897 	return 0;
1898 }
1899 
1900 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1901 {
1902 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1903 
1904 	mutex_lock(&chip->spos_mutex);
1905 
1906 	if (ins->asynch_rx_scb != NULL)
1907 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1908 					   left,right);
1909 
1910 	ins->spdif_input_volume_left = left;
1911 	ins->spdif_input_volume_right = right;
1912 
1913 	mutex_unlock(&chip->spos_mutex);
1914 
1915 	return 0;
1916 }
1917 
1918 #ifdef CONFIG_PM_SLEEP
1919 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1920 {
1921 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1922 	int i, err;
1923 
1924 	/* clear parameter, sample and code areas */
1925 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1926 			     DSP_PARAMETER_BYTE_SIZE);
1927 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1928 			     DSP_SAMPLE_BYTE_SIZE);
1929 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1930 
1931 	for (i = 0; i < ins->nmodules; i++) {
1932 		struct dsp_module_desc *module = &ins->modules[i];
1933 		struct dsp_segment_desc *seg;
1934 		u32 doffset, dsize;
1935 
1936 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1937 		err = dsp_load_parameter(chip, seg);
1938 		if (err < 0)
1939 			return err;
1940 
1941 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1942 		err = dsp_load_sample(chip, seg);
1943 		if (err < 0)
1944 			return err;
1945 
1946 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1947 		if (!seg)
1948 			continue;
1949 
1950 		doffset = seg->offset * 4 + module->load_address * 4
1951 			+ DSP_CODE_BYTE_OFFSET;
1952 		dsize   = seg->size * 4;
1953 		err = snd_cs46xx_download(chip,
1954 					  ins->code.data + module->load_address,
1955 					  doffset, dsize);
1956 		if (err < 0)
1957 			return err;
1958 	}
1959 
1960 	for (i = 0; i < ins->ntask; i++) {
1961 		struct dsp_task_descriptor *t = &ins->tasks[i];
1962 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
1963 	}
1964 
1965 	for (i = 0; i < ins->nscb; i++) {
1966 		struct dsp_scb_descriptor *s = &ins->scbs[i];
1967 		if (s->deleted)
1968 			continue;
1969 		_dsp_create_scb(chip, s->data, s->address);
1970 	}
1971 	for (i = 0; i < ins->nscb; i++) {
1972 		struct dsp_scb_descriptor *s = &ins->scbs[i];
1973 		if (s->deleted)
1974 			continue;
1975 		if (s->updated)
1976 			cs46xx_dsp_spos_update_scb(chip, s);
1977 		if (s->volume_set)
1978 			cs46xx_dsp_scb_set_volume(chip, s,
1979 						  s->volume[0], s->volume[1]);
1980 	}
1981 	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
1982 		cs46xx_dsp_enable_spdif_hw(chip);
1983 		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
1984 				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
1985 		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
1986 			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
1987 					    ins->spdif_csuv_stream);
1988 	}
1989 	if (chip->dsp_spos_instance->spdif_status_in) {
1990 		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
1991 		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
1992 	}
1993 	return 0;
1994 }
1995 #endif
1996