xref: /openbmc/linux/sound/pci/cs46xx/dsp_spos.c (revision 9a29ad52)
1 /*
2  *   This program is free software; you can redistribute it and/or modify
3  *   it under the terms of the GNU General Public License as published by
4  *   the Free Software Foundation; either version 2 of the License, or
5  *   (at your option) any later version.
6  *
7  *   This program is distributed in the hope that it will be useful,
8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  *   GNU General Public License for more details.
11  *
12  *   You should have received a copy of the GNU General Public License
13  *   along with this program; if not, write to the Free Software
14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
15  *
16  */
17 
18 /*
19  * 2002-07 Benny Sjostrand benny@hostmobility.com
20  */
21 
22 
23 #include <linux/io.h>
24 #include <linux/delay.h>
25 #include <linux/pm.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <linux/mutex.h>
30 
31 #include <sound/core.h>
32 #include <sound/control.h>
33 #include <sound/info.h>
34 #include <sound/asoundef.h>
35 #include "cs46xx.h"
36 
37 #include "cs46xx_lib.h"
38 #include "dsp_spos.h"
39 
40 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
41 				  struct dsp_scb_descriptor * fg_entry);
42 
43 static enum wide_opcode wide_opcodes[] = {
44 	WIDE_FOR_BEGIN_LOOP,
45 	WIDE_FOR_BEGIN_LOOP2,
46 	WIDE_COND_GOTO_ADDR,
47 	WIDE_COND_GOTO_CALL,
48 	WIDE_TBEQ_COND_GOTO_ADDR,
49 	WIDE_TBEQ_COND_CALL_ADDR,
50 	WIDE_TBEQ_NCOND_GOTO_ADDR,
51 	WIDE_TBEQ_NCOND_CALL_ADDR,
52 	WIDE_TBEQ_COND_GOTO1_ADDR,
53 	WIDE_TBEQ_COND_CALL1_ADDR,
54 	WIDE_TBEQ_NCOND_GOTOI_ADDR,
55 	WIDE_TBEQ_NCOND_CALL1_ADDR
56 };
57 
58 static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
59 				       u32 overlay_begin_address)
60 {
61 	unsigned int i = 0, j, nreallocated = 0;
62 	u32 hival,loval,address;
63 	u32 mop_operands,mop_type,wide_op;
64 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
65 
66 	if (snd_BUG_ON(size %2))
67 		return -EINVAL;
68 
69 	while (i < size) {
70 		loval = data[i++];
71 		hival = data[i++];
72 
73 		if (ins->code.offset > 0) {
74 			mop_operands = (hival >> 6) & 0x03fff;
75 			mop_type = mop_operands >> 10;
76 
77 			/* check for wide type instruction */
78 			if (mop_type == 0 &&
79 			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
80 			    (mop_operands & WIDE_INSTR_MASK) != 0) {
81 				wide_op = loval & 0x7f;
82 				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
83 					if (wide_opcodes[j] == wide_op) {
84 						/* need to reallocate instruction */
85 						address  = (hival & 0x00FFF) << 5;
86 						address |=  loval >> 15;
87 
88 						dev_dbg(chip->card->dev,
89 							"handle_wideop[1]: %05x:%05x addr %04x\n",
90 							hival, loval, address);
91 
92 						if ( !(address & 0x8000) ) {
93 							address += (ins->code.offset / 2) - overlay_begin_address;
94 						} else {
95 							dev_dbg(chip->card->dev,
96 								"handle_wideop[1]: ROM symbol not reallocated\n");
97 						}
98 
99 						hival &= 0xFF000;
100 						loval &= 0x07FFF;
101 
102 						hival |= ( (address >> 5)  & 0x00FFF);
103 						loval |= ( (address << 15) & 0xF8000);
104 
105 						address  = (hival & 0x00FFF) << 5;
106 						address |=  loval >> 15;
107 
108 						dev_dbg(chip->card->dev,
109 							"handle_wideop:[2] %05x:%05x addr %04x\n",
110 							hival, loval, address);
111 						nreallocated++;
112 					} /* wide_opcodes[j] == wide_op */
113 				} /* for */
114 			} /* mod_type == 0 ... */
115 		} /* ins->code.offset > 0 */
116 
117 		ins->code.data[ins->code.size++] = loval;
118 		ins->code.data[ins->code.size++] = hival;
119 	}
120 
121 	dev_dbg(chip->card->dev,
122 		"dsp_spos: %d instructions reallocated\n", nreallocated);
123 	return nreallocated;
124 }
125 
126 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
127 {
128 	int i;
129 	for (i = 0;i < module->nsegments; ++i) {
130 		if (module->segments[i].segment_type == seg_type) {
131 			return (module->segments + i);
132 		}
133 	}
134 
135 	return NULL;
136 };
137 
138 static int find_free_symbol_index (struct dsp_spos_instance * ins)
139 {
140 	int index = ins->symbol_table.nsymbols,i;
141 
142 	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
143 		if (ins->symbol_table.symbols[i].deleted) {
144 			index = i;
145 			break;
146 		}
147 	}
148 
149 	return index;
150 }
151 
152 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
153 {
154 	int i;
155 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
156 
157 	if (module->symbol_table.nsymbols > 0) {
158 		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
159 		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
160 			module->overlay_begin_address = module->symbol_table.symbols[0].address;
161 		}
162 	}
163 
164 	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
165 		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
166 			dev_err(chip->card->dev,
167 				"dsp_spos: symbol table is full\n");
168 			return -ENOMEM;
169 		}
170 
171 
172 		if (cs46xx_dsp_lookup_symbol(chip,
173 					     module->symbol_table.symbols[i].symbol_name,
174 					     module->symbol_table.symbols[i].symbol_type) == NULL) {
175 
176 			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
177 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
178 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
179 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
180 
181 			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
182 				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
183 
184 			ins->symbol_table.nsymbols++;
185 		} else {
186 #if 0
187 			dev_dbg(chip->card->dev,
188 				"dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
189 				module->symbol_table.symbols[i].symbol_name); */
190 #endif
191 		}
192 	}
193 
194 	return 0;
195 }
196 
197 static struct dsp_symbol_entry *
198 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
199 {
200 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
201 	struct dsp_symbol_entry * symbol = NULL;
202 	int index;
203 
204 	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
205 		dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
206 		return NULL;
207 	}
208 
209 	if (cs46xx_dsp_lookup_symbol(chip,
210 				     symbol_name,
211 				     type) != NULL) {
212 		dev_err(chip->card->dev,
213 			"dsp_spos: symbol <%s> duplicated\n", symbol_name);
214 		return NULL;
215 	}
216 
217 	index = find_free_symbol_index (ins);
218 
219 	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
220 	ins->symbol_table.symbols[index].address = address;
221 	ins->symbol_table.symbols[index].symbol_type = type;
222 	ins->symbol_table.symbols[index].module = NULL;
223 	ins->symbol_table.symbols[index].deleted = 0;
224 	symbol = (ins->symbol_table.symbols + index);
225 
226 	if (index > ins->symbol_table.highest_frag_index)
227 		ins->symbol_table.highest_frag_index = index;
228 
229 	if (index == ins->symbol_table.nsymbols)
230 		ins->symbol_table.nsymbols++; /* no frag. in list */
231 
232 	return symbol;
233 }
234 
235 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
236 {
237 	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
238 
239 	if (ins == NULL)
240 		return NULL;
241 
242 	/* better to use vmalloc for this big table */
243 	ins->symbol_table.symbols =
244 		vmalloc(array_size(DSP_MAX_SYMBOLS,
245 				   sizeof(struct dsp_symbol_entry)));
246 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
247 	ins->modules = kmalloc_array(DSP_MAX_MODULES,
248 				     sizeof(struct dsp_module_desc),
249 				     GFP_KERNEL);
250 	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
251 		cs46xx_dsp_spos_destroy(chip);
252 		goto error;
253 	}
254 	ins->symbol_table.nsymbols = 0;
255 	ins->symbol_table.highest_frag_index = 0;
256 	ins->code.offset = 0;
257 	ins->code.size = 0;
258 	ins->nscb = 0;
259 	ins->ntask = 0;
260 	ins->nmodules = 0;
261 
262 	/* default SPDIF input sample rate
263 	   to 48000 khz */
264 	ins->spdif_in_sample_rate = 48000;
265 
266 	/* maximize volume */
267 	ins->dac_volume_right = 0x8000;
268 	ins->dac_volume_left = 0x8000;
269 	ins->spdif_input_volume_right = 0x8000;
270 	ins->spdif_input_volume_left = 0x8000;
271 
272 	/* set left and right validity bits and
273 	   default channel status */
274 	ins->spdif_csuv_default =
275 		ins->spdif_csuv_stream =
276 	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
277 	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
278 	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
279 	 /* left and right validity bits */ (1 << 13) | (1 << 12);
280 
281 	return ins;
282 
283 error:
284 	kfree(ins->modules);
285 	kfree(ins->code.data);
286 	vfree(ins->symbol_table.symbols);
287 	kfree(ins);
288 	return NULL;
289 }
290 
291 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
292 {
293 	int i;
294 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
295 
296 	if (snd_BUG_ON(!ins))
297 		return;
298 
299 	mutex_lock(&chip->spos_mutex);
300 	for (i = 0; i < ins->nscb; ++i) {
301 		if (ins->scbs[i].deleted) continue;
302 
303 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
304 #ifdef CONFIG_PM_SLEEP
305 		kfree(ins->scbs[i].data);
306 #endif
307 	}
308 
309 	kfree(ins->code.data);
310 	vfree(ins->symbol_table.symbols);
311 	kfree(ins->modules);
312 	kfree(ins);
313 	mutex_unlock(&chip->spos_mutex);
314 }
315 
316 static int dsp_load_parameter(struct snd_cs46xx *chip,
317 			      struct dsp_segment_desc *parameter)
318 {
319 	u32 doffset, dsize;
320 
321 	if (!parameter) {
322 		dev_dbg(chip->card->dev,
323 			"dsp_spos: module got no parameter segment\n");
324 		return 0;
325 	}
326 
327 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
328 	dsize   = parameter->size * 4;
329 
330 	dev_dbg(chip->card->dev,
331 		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
332 		    doffset,doffset + dsize);
333 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
334 		dev_err(chip->card->dev,
335 			"dsp_spos: failed to download parameter data to DSP\n");
336 		return -EINVAL;
337 	}
338 	return 0;
339 }
340 
341 static int dsp_load_sample(struct snd_cs46xx *chip,
342 			   struct dsp_segment_desc *sample)
343 {
344 	u32 doffset, dsize;
345 
346 	if (!sample) {
347 		dev_dbg(chip->card->dev,
348 			"dsp_spos: module got no sample segment\n");
349 		return 0;
350 	}
351 
352 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
353 	dsize   =  sample->size * 4;
354 
355 	dev_dbg(chip->card->dev,
356 		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
357 		    doffset,doffset + dsize);
358 
359 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
360 		dev_err(chip->card->dev,
361 			"dsp_spos: failed to sample data to DSP\n");
362 		return -EINVAL;
363 	}
364 	return 0;
365 }
366 
367 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
368 {
369 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
370 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
371 	u32 doffset, dsize;
372 	int err;
373 
374 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
375 		dev_err(chip->card->dev,
376 			"dsp_spos: to many modules loaded into DSP\n");
377 		return -ENOMEM;
378 	}
379 
380 	dev_dbg(chip->card->dev,
381 		"dsp_spos: loading module %s into DSP\n", module->module_name);
382 
383 	if (ins->nmodules == 0) {
384 		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
385 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
386 	}
387 
388 	err = dsp_load_parameter(chip, get_segment_desc(module,
389 							SEGTYPE_SP_PARAMETER));
390 	if (err < 0)
391 		return err;
392 
393 	if (ins->nmodules == 0) {
394 		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
395 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
396 	}
397 
398 	err = dsp_load_sample(chip, get_segment_desc(module,
399 						     SEGTYPE_SP_SAMPLE));
400 	if (err < 0)
401 		return err;
402 
403 	if (ins->nmodules == 0) {
404 		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
405 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
406 	}
407 
408 	if (code == NULL) {
409 		dev_dbg(chip->card->dev,
410 			"dsp_spos: module got no code segment\n");
411 	} else {
412 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
413 			dev_err(chip->card->dev,
414 				"dsp_spos: no space available in DSP\n");
415 			return -ENOMEM;
416 		}
417 
418 		module->load_address = ins->code.offset;
419 		module->overlay_begin_address = 0x000;
420 
421 		/* if module has a code segment it must have
422 		   symbol table */
423 		if (snd_BUG_ON(!module->symbol_table.symbols))
424 			return -ENOMEM;
425 		if (add_symbols(chip,module)) {
426 			dev_err(chip->card->dev,
427 				"dsp_spos: failed to load symbol table\n");
428 			return -ENOMEM;
429 		}
430 
431 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
432 		dsize   = code->size * 4;
433 		dev_dbg(chip->card->dev,
434 			"dsp_spos: downloading code to chip (%08x-%08x)\n",
435 			    doffset,doffset + dsize);
436 
437 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
438 
439 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
440 			dev_err(chip->card->dev,
441 				"dsp_spos: failed to download code to DSP\n");
442 			return -EINVAL;
443 		}
444 
445 		ins->code.offset += code->size;
446 	}
447 
448 	/* NOTE: module segments and symbol table must be
449 	   statically allocated. Case that module data is
450 	   not generated by the ospparser */
451 	ins->modules[ins->nmodules] = *module;
452 	ins->nmodules++;
453 
454 	return 0;
455 }
456 
457 struct dsp_symbol_entry *
458 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
459 {
460 	int i;
461 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
462 
463 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
464 
465 		if (ins->symbol_table.symbols[i].deleted)
466 			continue;
467 
468 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
469 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
470 			return (ins->symbol_table.symbols + i);
471 		}
472 	}
473 
474 #if 0
475 	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
476 		symbol_name,symbol_type);
477 #endif
478 
479 	return NULL;
480 }
481 
482 
483 #ifdef CONFIG_SND_PROC_FS
484 static struct dsp_symbol_entry *
485 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
486 {
487 	int i;
488 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
489 
490 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
491 
492 		if (ins->symbol_table.symbols[i].deleted)
493 			continue;
494 
495 		if (ins->symbol_table.symbols[i].address == address &&
496 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
497 			return (ins->symbol_table.symbols + i);
498 		}
499 	}
500 
501 
502 	return NULL;
503 }
504 
505 
506 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
507 					       struct snd_info_buffer *buffer)
508 {
509 	struct snd_cs46xx *chip = entry->private_data;
510 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
511 	int i;
512 
513 	snd_iprintf(buffer, "SYMBOLS:\n");
514 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
515 		char *module_str = "system";
516 
517 		if (ins->symbol_table.symbols[i].deleted)
518 			continue;
519 
520 		if (ins->symbol_table.symbols[i].module != NULL) {
521 			module_str = ins->symbol_table.symbols[i].module->module_name;
522 		}
523 
524 
525 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
526 			    ins->symbol_table.symbols[i].address,
527 			    ins->symbol_table.symbols[i].symbol_type,
528 			    ins->symbol_table.symbols[i].symbol_name,
529 			    module_str);
530 	}
531 }
532 
533 
534 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
535 					  struct snd_info_buffer *buffer)
536 {
537 	struct snd_cs46xx *chip = entry->private_data;
538 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
539 	int i,j;
540 
541 	mutex_lock(&chip->spos_mutex);
542 	snd_iprintf(buffer, "MODULES:\n");
543 	for ( i = 0; i < ins->nmodules; ++i ) {
544 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
545 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
546 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
547 
548 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
549 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
550 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
551 				    desc->segment_type,desc->offset, desc->size);
552 		}
553 	}
554 	mutex_unlock(&chip->spos_mutex);
555 }
556 
557 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
558 					    struct snd_info_buffer *buffer)
559 {
560 	struct snd_cs46xx *chip = entry->private_data;
561 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
562 	int i, j, col;
563 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
564 
565 	mutex_lock(&chip->spos_mutex);
566 	snd_iprintf(buffer, "TASK TREES:\n");
567 	for ( i = 0; i < ins->ntask; ++i) {
568 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
569 
570 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
571 			u32 val;
572 			if (col == 4) {
573 				snd_iprintf(buffer,"\n");
574 				col = 0;
575 			}
576 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
577 			snd_iprintf(buffer,"%08x ",val);
578 		}
579 	}
580 
581 	snd_iprintf(buffer,"\n");
582 	mutex_unlock(&chip->spos_mutex);
583 }
584 
585 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
586 				      struct snd_info_buffer *buffer)
587 {
588 	struct snd_cs46xx *chip = entry->private_data;
589 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
590 	int i;
591 
592 	mutex_lock(&chip->spos_mutex);
593 	snd_iprintf(buffer, "SCB's:\n");
594 	for ( i = 0; i < ins->nscb; ++i) {
595 		if (ins->scbs[i].deleted)
596 			continue;
597 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
598 
599 		if (ins->scbs[i].parent_scb_ptr != NULL) {
600 			snd_iprintf(buffer,"parent [%s:%04x] ",
601 				    ins->scbs[i].parent_scb_ptr->scb_name,
602 				    ins->scbs[i].parent_scb_ptr->address);
603 		} else snd_iprintf(buffer,"parent [none] ");
604 
605 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
606 			    ins->scbs[i].sub_list_ptr->scb_name,
607 			    ins->scbs[i].sub_list_ptr->address,
608 			    ins->scbs[i].next_scb_ptr->scb_name,
609 			    ins->scbs[i].next_scb_ptr->address,
610 			    ins->scbs[i].task_entry->symbol_name,
611 			    ins->scbs[i].task_entry->address);
612 	}
613 
614 	snd_iprintf(buffer,"\n");
615 	mutex_unlock(&chip->spos_mutex);
616 }
617 
618 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
619 						 struct snd_info_buffer *buffer)
620 {
621 	struct snd_cs46xx *chip = entry->private_data;
622 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
623 	unsigned int i, col = 0;
624 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
625 	struct dsp_symbol_entry * symbol;
626 
627 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
628 		if (col == 4) {
629 			snd_iprintf(buffer,"\n");
630 			col = 0;
631 		}
632 
633 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
634 			col = 0;
635 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
636 		}
637 
638 		if (col == 0) {
639 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
640 		}
641 
642 		snd_iprintf(buffer,"%08X ",readl(dst + i));
643 	}
644 }
645 
646 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
647 					      struct snd_info_buffer *buffer)
648 {
649 	struct snd_cs46xx *chip = entry->private_data;
650 	int i,col = 0;
651 	void __iomem *dst = chip->region.idx[2].remap_addr;
652 
653 	snd_iprintf(buffer,"PCMREADER:\n");
654 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
655 		if (col == 4) {
656 			snd_iprintf(buffer,"\n");
657 			col = 0;
658 		}
659 
660 		if (col == 0) {
661 			snd_iprintf(buffer, "%04X ",i);
662 		}
663 
664 		snd_iprintf(buffer,"%08X ",readl(dst + i));
665 	}
666 
667 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
668 
669 	col = 0;
670 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
671 		if (col == 4) {
672 			snd_iprintf(buffer,"\n");
673 			col = 0;
674 		}
675 
676 		if (col == 0) {
677 			snd_iprintf(buffer, "%04X ",i);
678 		}
679 
680 		snd_iprintf(buffer,"%08X ",readl(dst + i));
681 	}
682 
683 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
684 	col = 0;
685 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
686 		if (col == 4) {
687 			snd_iprintf(buffer,"\n");
688 			col = 0;
689 		}
690 
691 		if (col == 0) {
692 			snd_iprintf(buffer, "%04X ",i);
693 		}
694 
695 		snd_iprintf(buffer,"%08X ",readl(dst + i));
696 	}
697 
698 
699 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
700 	col = 0;
701 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
702 		if (col == 4) {
703 			snd_iprintf(buffer,"\n");
704 			col = 0;
705 		}
706 
707 		if (col == 0) {
708 			snd_iprintf(buffer, "%04X ",i);
709 		}
710 
711 		snd_iprintf(buffer,"%08X ",readl(dst + i));
712 	}
713 
714 	snd_iprintf(buffer,"\n...\n");
715 	col = 0;
716 
717 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
718 		if (col == 4) {
719 			snd_iprintf(buffer,"\n");
720 			col = 0;
721 		}
722 
723 		if (col == 0) {
724 			snd_iprintf(buffer, "%04X ",i);
725 		}
726 
727 		snd_iprintf(buffer,"%08X ",readl(dst + i));
728 	}
729 
730 
731 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
732 	col = 0;
733 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
734 		if (col == 4) {
735 			snd_iprintf(buffer,"\n");
736 			col = 0;
737 		}
738 
739 		if (col == 0) {
740 			snd_iprintf(buffer, "%04X ",i);
741 		}
742 
743 		snd_iprintf(buffer,"%08X ",readl(dst + i));
744 	}
745 
746 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
747 	col = 0;
748 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
749 		if (col == 4) {
750 			snd_iprintf(buffer,"\n");
751 			col = 0;
752 		}
753 
754 		if (col == 0) {
755 			snd_iprintf(buffer, "%04X ",i);
756 		}
757 
758 		snd_iprintf(buffer,"%08X ",readl(dst + i));
759 	}
760 #if 0
761 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
762 	col = 0;
763 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
764 		if (col == 4) {
765 			snd_iprintf(buffer,"\n");
766 			col = 0;
767 		}
768 
769 		if (col == 0) {
770 			snd_iprintf(buffer, "%04X ",i);
771 		}
772 
773 		snd_iprintf(buffer,"%08X ",readl(dst + i));
774 	}
775 #endif
776 
777 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
778 	col = 0;
779 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
780 		if (col == 4) {
781 			snd_iprintf(buffer,"\n");
782 			col = 0;
783 		}
784 
785 		if (col == 0) {
786 			snd_iprintf(buffer, "%04X ",i);
787 		}
788 
789 		snd_iprintf(buffer,"%08X ",readl(dst + i));
790 	}
791 	snd_iprintf(buffer,"\n");
792 }
793 
794 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
795 {
796 	struct snd_info_entry *entry;
797 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
798 	int i;
799 
800 	ins->snd_card = card;
801 
802 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
803 		entry->content = SNDRV_INFO_CONTENT_TEXT;
804 		entry->mode = S_IFDIR | 0555;
805 
806 		if (snd_info_register(entry) < 0) {
807 			snd_info_free_entry(entry);
808 			entry = NULL;
809 		}
810 	}
811 
812 	ins->proc_dsp_dir = entry;
813 
814 	if (!ins->proc_dsp_dir)
815 		return -ENOMEM;
816 
817 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
818 		entry->content = SNDRV_INFO_CONTENT_TEXT;
819 		entry->private_data = chip;
820 		entry->mode = S_IFREG | 0644;
821 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
822 		if (snd_info_register(entry) < 0) {
823 			snd_info_free_entry(entry);
824 			entry = NULL;
825 		}
826 	}
827 	ins->proc_sym_info_entry = entry;
828 
829 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
830 		entry->content = SNDRV_INFO_CONTENT_TEXT;
831 		entry->private_data = chip;
832 		entry->mode = S_IFREG | 0644;
833 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
834 		if (snd_info_register(entry) < 0) {
835 			snd_info_free_entry(entry);
836 			entry = NULL;
837 		}
838 	}
839 	ins->proc_modules_info_entry = entry;
840 
841 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
842 		entry->content = SNDRV_INFO_CONTENT_TEXT;
843 		entry->private_data = chip;
844 		entry->mode = S_IFREG | 0644;
845 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
846 		if (snd_info_register(entry) < 0) {
847 			snd_info_free_entry(entry);
848 			entry = NULL;
849 		}
850 	}
851 	ins->proc_parameter_dump_info_entry = entry;
852 
853 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
854 		entry->content = SNDRV_INFO_CONTENT_TEXT;
855 		entry->private_data = chip;
856 		entry->mode = S_IFREG | 0644;
857 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
858 		if (snd_info_register(entry) < 0) {
859 			snd_info_free_entry(entry);
860 			entry = NULL;
861 		}
862 	}
863 	ins->proc_sample_dump_info_entry = entry;
864 
865 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
866 		entry->content = SNDRV_INFO_CONTENT_TEXT;
867 		entry->private_data = chip;
868 		entry->mode = S_IFREG | 0644;
869 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
870 		if (snd_info_register(entry) < 0) {
871 			snd_info_free_entry(entry);
872 			entry = NULL;
873 		}
874 	}
875 	ins->proc_task_info_entry = entry;
876 
877 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
878 		entry->content = SNDRV_INFO_CONTENT_TEXT;
879 		entry->private_data = chip;
880 		entry->mode = S_IFREG | 0644;
881 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
882 		if (snd_info_register(entry) < 0) {
883 			snd_info_free_entry(entry);
884 			entry = NULL;
885 		}
886 	}
887 	ins->proc_scb_info_entry = entry;
888 
889 	mutex_lock(&chip->spos_mutex);
890 	/* register/update SCB's entries on proc */
891 	for (i = 0; i < ins->nscb; ++i) {
892 		if (ins->scbs[i].deleted) continue;
893 
894 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
895 	}
896 	mutex_unlock(&chip->spos_mutex);
897 
898 	return 0;
899 }
900 
901 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
902 {
903 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
904 	int i;
905 
906 	snd_info_free_entry(ins->proc_sym_info_entry);
907 	ins->proc_sym_info_entry = NULL;
908 
909 	snd_info_free_entry(ins->proc_modules_info_entry);
910 	ins->proc_modules_info_entry = NULL;
911 
912 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
913 	ins->proc_parameter_dump_info_entry = NULL;
914 
915 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
916 	ins->proc_sample_dump_info_entry = NULL;
917 
918 	snd_info_free_entry(ins->proc_scb_info_entry);
919 	ins->proc_scb_info_entry = NULL;
920 
921 	snd_info_free_entry(ins->proc_task_info_entry);
922 	ins->proc_task_info_entry = NULL;
923 
924 	mutex_lock(&chip->spos_mutex);
925 	for (i = 0; i < ins->nscb; ++i) {
926 		if (ins->scbs[i].deleted) continue;
927 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
928 	}
929 	mutex_unlock(&chip->spos_mutex);
930 
931 	snd_info_free_entry(ins->proc_dsp_dir);
932 	ins->proc_dsp_dir = NULL;
933 
934 	return 0;
935 }
936 #endif /* CONFIG_SND_PROC_FS */
937 
938 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
939 				   u32  dest, int size)
940 {
941 	void __iomem *spdst = chip->region.idx[1].remap_addr +
942 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
943 	int i;
944 
945 	for (i = 0; i < size; ++i) {
946 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
947 			spdst, task_data[i]);
948 		writel(task_data[i],spdst);
949 		spdst += sizeof(u32);
950 	}
951 }
952 
953 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
954 {
955 	void __iomem *spdst = chip->region.idx[1].remap_addr +
956 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
957 	int i;
958 
959 	for (i = 0; i < 0x10; ++i) {
960 		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
961 			spdst, scb_data[i]);
962 		writel(scb_data[i],spdst);
963 		spdst += sizeof(u32);
964 	}
965 }
966 
967 static int find_free_scb_index (struct dsp_spos_instance * ins)
968 {
969 	int index = ins->nscb, i;
970 
971 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
972 		if (ins->scbs[i].deleted) {
973 			index = i;
974 			break;
975 		}
976 	}
977 
978 	return index;
979 }
980 
981 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
982 {
983 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
984 	struct dsp_scb_descriptor * desc = NULL;
985 	int index;
986 
987 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
988 		dev_err(chip->card->dev,
989 			"dsp_spos: got no place for other SCB\n");
990 		return NULL;
991 	}
992 
993 	index = find_free_scb_index (ins);
994 
995 	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
996 	strcpy(ins->scbs[index].scb_name, name);
997 	ins->scbs[index].address = dest;
998 	ins->scbs[index].index = index;
999 	ins->scbs[index].ref_count = 1;
1000 
1001 	desc = (ins->scbs + index);
1002 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
1003 
1004 	if (index > ins->scb_highest_frag_index)
1005 		ins->scb_highest_frag_index = index;
1006 
1007 	if (index == ins->nscb)
1008 		ins->nscb++;
1009 
1010 	return desc;
1011 }
1012 
1013 static struct dsp_task_descriptor *
1014 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
1015 {
1016 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1017 	struct dsp_task_descriptor * desc = NULL;
1018 
1019 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1020 		dev_err(chip->card->dev,
1021 			"dsp_spos: got no place for other TASK\n");
1022 		return NULL;
1023 	}
1024 
1025 	if (name)
1026 		strcpy(ins->tasks[ins->ntask].task_name, name);
1027 	else
1028 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1029 	ins->tasks[ins->ntask].address = dest;
1030 	ins->tasks[ins->ntask].size = size;
1031 
1032 	/* quick find in list */
1033 	ins->tasks[ins->ntask].index = ins->ntask;
1034 	desc = (ins->tasks + ins->ntask);
1035 	ins->ntask++;
1036 
1037 	if (name)
1038 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1039 	return desc;
1040 }
1041 
1042 #define SCB_BYTES	(0x10 * 4)
1043 
1044 struct dsp_scb_descriptor *
1045 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1046 {
1047 	struct dsp_scb_descriptor * desc;
1048 
1049 #ifdef CONFIG_PM_SLEEP
1050 	/* copy the data for resume */
1051 	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1052 	if (!scb_data)
1053 		return NULL;
1054 #endif
1055 
1056 	desc = _map_scb (chip,name,dest);
1057 	if (desc) {
1058 		desc->data = scb_data;
1059 		_dsp_create_scb(chip,scb_data,dest);
1060 	} else {
1061 		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
1062 #ifdef CONFIG_PM_SLEEP
1063 		kfree(scb_data);
1064 #endif
1065 	}
1066 
1067 	return desc;
1068 }
1069 
1070 
1071 static struct dsp_task_descriptor *
1072 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1073 			     u32 dest, int size)
1074 {
1075 	struct dsp_task_descriptor * desc;
1076 
1077 	desc = _map_task_tree (chip,name,dest,size);
1078 	if (desc) {
1079 		desc->data = task_data;
1080 		_dsp_create_task_tree(chip,task_data,dest,size);
1081 	} else {
1082 		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1083 	}
1084 
1085 	return desc;
1086 }
1087 
1088 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1089 {
1090 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1091 	struct dsp_symbol_entry * fg_task_tree_header_code;
1092 	struct dsp_symbol_entry * task_tree_header_code;
1093 	struct dsp_symbol_entry * task_tree_thread;
1094 	struct dsp_symbol_entry * null_algorithm;
1095 	struct dsp_symbol_entry * magic_snoop_task;
1096 
1097 	struct dsp_scb_descriptor * timing_master_scb;
1098 	struct dsp_scb_descriptor * codec_out_scb;
1099 	struct dsp_scb_descriptor * codec_in_scb;
1100 	struct dsp_scb_descriptor * src_task_scb;
1101 	struct dsp_scb_descriptor * master_mix_scb;
1102 	struct dsp_scb_descriptor * rear_mix_scb;
1103 	struct dsp_scb_descriptor * record_mix_scb;
1104 	struct dsp_scb_descriptor * write_back_scb;
1105 	struct dsp_scb_descriptor * vari_decimate_scb;
1106 	struct dsp_scb_descriptor * rear_codec_out_scb;
1107 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1108 	struct dsp_scb_descriptor * magic_snoop_scb;
1109 
1110 	int fifo_addr, fifo_span, valid_slots;
1111 
1112 	static struct dsp_spos_control_block sposcb = {
1113 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1114 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1115 		/* 2 */ DSP_SPOS_DC,0,
1116 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1117 		/* 4 */ 0,0,
1118 		/* 5 */ DSP_SPOS_UU,0,
1119 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1120 		/* 7 */ 0,0,
1121 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1122 		/* 9 */ 0,
1123 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1124 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1125 		/* C */ DSP_SPOS_DC_DC,
1126 		/* D */ DSP_SPOS_DC_DC,
1127 		/* E */ DSP_SPOS_DC_DC,
1128 		/* F */ DSP_SPOS_DC_DC
1129 	};
1130 
1131 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1132 
1133 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1134 	if (null_algorithm == NULL) {
1135 		dev_err(chip->card->dev,
1136 			"dsp_spos: symbol NULLALGORITHM not found\n");
1137 		return -EIO;
1138 	}
1139 
1140 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1141 	if (fg_task_tree_header_code == NULL) {
1142 		dev_err(chip->card->dev,
1143 			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1144 		return -EIO;
1145 	}
1146 
1147 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1148 	if (task_tree_header_code == NULL) {
1149 		dev_err(chip->card->dev,
1150 			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1151 		return -EIO;
1152 	}
1153 
1154 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1155 	if (task_tree_thread == NULL) {
1156 		dev_err(chip->card->dev,
1157 			"dsp_spos: symbol TASKTREETHREAD not found\n");
1158 		return -EIO;
1159 	}
1160 
1161 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1162 	if (magic_snoop_task == NULL) {
1163 		dev_err(chip->card->dev,
1164 			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1165 		return -EIO;
1166 	}
1167 
1168 	{
1169 		/* create the null SCB */
1170 		static struct dsp_generic_scb null_scb = {
1171 			{ 0, 0, 0, 0 },
1172 			{ 0, 0, 0, 0, 0 },
1173 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1174 			0, 0, 0, 0, 0,
1175 			{
1176 				0,0,
1177 				0,0,
1178 			}
1179 		};
1180 
1181 		null_scb.entry_point = null_algorithm->address;
1182 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1183 		ins->the_null_scb->task_entry = null_algorithm;
1184 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1185 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1186 		ins->the_null_scb->parent_scb_ptr = NULL;
1187 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1188 	}
1189 
1190 	{
1191 		/* setup foreground task tree */
1192 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1193 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1194 			  DSP_SPOS_DC_DC,
1195 			  DSP_SPOS_DC_DC,
1196 			  0x0000,DSP_SPOS_DC,
1197 			  DSP_SPOS_DC, DSP_SPOS_DC,
1198 			  DSP_SPOS_DC_DC,
1199 			  DSP_SPOS_DC_DC,
1200 			  DSP_SPOS_DC_DC,
1201 			  DSP_SPOS_DC,DSP_SPOS_DC },
1202 
1203 			{
1204 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1205 				0,
1206 				FG_TASK_HEADER_ADDR + TCBData,
1207 			},
1208 
1209 			{
1210 				4,0,
1211 				1,0,
1212 				2,SPOSCB_ADDR + HFGFlags,
1213 				0,0,
1214 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1215 			},
1216 
1217 			{
1218 				DSP_SPOS_DC,0,
1219 				DSP_SPOS_DC,DSP_SPOS_DC,
1220 				DSP_SPOS_DC,DSP_SPOS_DC,
1221 				DSP_SPOS_DC,DSP_SPOS_DC,
1222 				DSP_SPOS_DC,DSP_SPOS_DC,
1223 				DSP_SPOS_DCDC,
1224 				DSP_SPOS_UU,1,
1225 				DSP_SPOS_DCDC,
1226 				DSP_SPOS_DCDC,
1227 				DSP_SPOS_DCDC,
1228 				DSP_SPOS_DCDC,
1229 				DSP_SPOS_DCDC,
1230 				DSP_SPOS_DCDC,
1231 				DSP_SPOS_DCDC,
1232 				DSP_SPOS_DCDC,
1233 				DSP_SPOS_DCDC,
1234 				DSP_SPOS_DCDC,
1235 				DSP_SPOS_DCDC,
1236 				DSP_SPOS_DCDC,
1237 				DSP_SPOS_DCDC,
1238 				DSP_SPOS_DCDC,
1239 				DSP_SPOS_DCDC,
1240 				DSP_SPOS_DCDC,
1241 				DSP_SPOS_DCDC,
1242 				DSP_SPOS_DCDC,
1243 				DSP_SPOS_DCDC,
1244 				DSP_SPOS_DCDC,
1245 				DSP_SPOS_DCDC,
1246 				DSP_SPOS_DCDC,
1247 				DSP_SPOS_DCDC,
1248 				DSP_SPOS_DCDC,
1249 				DSP_SPOS_DCDC,
1250 				DSP_SPOS_DCDC,
1251 				DSP_SPOS_DCDC,
1252 				DSP_SPOS_DCDC
1253 			},
1254 			{
1255 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1256 				0,0
1257 			}
1258 		};
1259 
1260 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1261 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1262 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1263 	}
1264 
1265 
1266 	{
1267 		/* setup foreground task tree */
1268 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1269 			{ DSP_SPOS_DC_DC,
1270 			  DSP_SPOS_DC_DC,
1271 			  DSP_SPOS_DC_DC,
1272 			  DSP_SPOS_DC, DSP_SPOS_DC,
1273 			  DSP_SPOS_DC, DSP_SPOS_DC,
1274 			  DSP_SPOS_DC_DC,
1275 			  DSP_SPOS_DC_DC,
1276 			  DSP_SPOS_DC_DC,
1277 			  DSP_SPOS_DC,DSP_SPOS_DC },
1278 
1279 			{
1280 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1281 				0,
1282 				BG_TREE_SCB_ADDR + TCBData,
1283 			},
1284 
1285 			{
1286 				9999,0,
1287 				0,1,
1288 				0,SPOSCB_ADDR + HFGFlags,
1289 				0,0,
1290 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1291 			},
1292 
1293 			{
1294 				DSP_SPOS_DC,0,
1295 				DSP_SPOS_DC,DSP_SPOS_DC,
1296 				DSP_SPOS_DC,DSP_SPOS_DC,
1297 				DSP_SPOS_DC,DSP_SPOS_DC,
1298 				DSP_SPOS_DC,DSP_SPOS_DC,
1299 				DSP_SPOS_DCDC,
1300 				DSP_SPOS_UU,1,
1301 				DSP_SPOS_DCDC,
1302 				DSP_SPOS_DCDC,
1303 				DSP_SPOS_DCDC,
1304 				DSP_SPOS_DCDC,
1305 				DSP_SPOS_DCDC,
1306 				DSP_SPOS_DCDC,
1307 				DSP_SPOS_DCDC,
1308 				DSP_SPOS_DCDC,
1309 				DSP_SPOS_DCDC,
1310 				DSP_SPOS_DCDC,
1311 				DSP_SPOS_DCDC,
1312 				DSP_SPOS_DCDC,
1313 				DSP_SPOS_DCDC,
1314 				DSP_SPOS_DCDC,
1315 				DSP_SPOS_DCDC,
1316 				DSP_SPOS_DCDC,
1317 				DSP_SPOS_DCDC,
1318 				DSP_SPOS_DCDC,
1319 				DSP_SPOS_DCDC,
1320 				DSP_SPOS_DCDC,
1321 				DSP_SPOS_DCDC,
1322 				DSP_SPOS_DCDC,
1323 				DSP_SPOS_DCDC,
1324 				DSP_SPOS_DCDC,
1325 				DSP_SPOS_DCDC,
1326 				DSP_SPOS_DCDC,
1327 				DSP_SPOS_DCDC,
1328 				DSP_SPOS_DCDC
1329 			},
1330 			{
1331 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1332 				0,0
1333 			}
1334 		};
1335 
1336 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1337 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1338 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1339 	}
1340 
1341 	/* create timing master SCB */
1342 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1343 
1344 	/* create the CODEC output task */
1345 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1346 							MASTERMIX_SCB_ADDR,
1347 							CODECOUT_SCB_ADDR,timing_master_scb,
1348 							SCB_ON_PARENT_SUBLIST_SCB);
1349 
1350 	if (!codec_out_scb) goto _fail_end;
1351 	/* create the master mix SCB */
1352 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1353 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1354 							codec_out_scb,
1355 							SCB_ON_PARENT_SUBLIST_SCB);
1356 	ins->master_mix_scb = master_mix_scb;
1357 
1358 	if (!master_mix_scb) goto _fail_end;
1359 
1360 	/* create codec in */
1361 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1362 						      CODEC_INPUT_BUF1,
1363 						      CODECIN_SCB_ADDR,codec_out_scb,
1364 						      SCB_ON_PARENT_NEXT_SCB);
1365 	if (!codec_in_scb) goto _fail_end;
1366 	ins->codec_in_scb = codec_in_scb;
1367 
1368 	/* create write back scb */
1369 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1370 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1371 							      WRITEBACK_SCB_ADDR,
1372 							      timing_master_scb,
1373 							      SCB_ON_PARENT_NEXT_SCB);
1374 	if (!write_back_scb) goto _fail_end;
1375 
1376 	{
1377 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1378 			0x00020000,
1379 			0x0000ffff
1380 		};
1381 
1382 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1383 						 (u32 *)&mix2_ostream_spb,
1384 						 WRITE_BACK_SPB, 2))
1385 			goto _fail_end;
1386 	}
1387 
1388 	/* input sample converter */
1389 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1390 								VARI_DECIMATE_BUF0,
1391 								VARI_DECIMATE_BUF1,
1392 								VARIDECIMATE_SCB_ADDR,
1393 								write_back_scb,
1394 								SCB_ON_PARENT_SUBLIST_SCB);
1395 	if (!vari_decimate_scb) goto _fail_end;
1396 
1397 	/* create the record mixer SCB */
1398 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1399 							MIX_SAMPLE_BUF2,
1400 							RECORD_MIXER_SCB_ADDR,
1401 							vari_decimate_scb,
1402 							SCB_ON_PARENT_SUBLIST_SCB);
1403 	ins->record_mixer_scb = record_mix_scb;
1404 
1405 	if (!record_mix_scb) goto _fail_end;
1406 
1407 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1408 
1409 	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1410 		goto _fail_end;
1411 
1412 	if (chip->nr_ac97_codecs == 1) {
1413 		/* output on slot 5 and 11
1414 		   on primary CODEC */
1415 		fifo_addr = 0x20;
1416 		fifo_span = 0x60;
1417 
1418 		/* enable slot 5 and 11 */
1419 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1420 	} else {
1421 		/* output on slot 7 and 8
1422 		   on secondary CODEC */
1423 		fifo_addr = 0x40;
1424 		fifo_span = 0x10;
1425 
1426 		/* enable slot 7 and 8 */
1427 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1428 	}
1429 	/* create CODEC tasklet for rear speakers output*/
1430 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1431 							     REAR_MIXER_SCB_ADDR,
1432 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1433 							     SCB_ON_PARENT_NEXT_SCB);
1434 	if (!rear_codec_out_scb) goto _fail_end;
1435 
1436 
1437 	/* create the rear PCM channel  mixer SCB */
1438 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1439 						      MIX_SAMPLE_BUF3,
1440 						      REAR_MIXER_SCB_ADDR,
1441 						      rear_codec_out_scb,
1442 						      SCB_ON_PARENT_SUBLIST_SCB);
1443 	ins->rear_mix_scb = rear_mix_scb;
1444 	if (!rear_mix_scb) goto _fail_end;
1445 
1446 	if (chip->nr_ac97_codecs == 2) {
1447 		/* create CODEC tasklet for rear Center/LFE output
1448 		   slot 6 and 9 on secondary CODEC */
1449 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1450 								     CLFE_MIXER_SCB_ADDR,
1451 								     CLFE_CODEC_SCB_ADDR,
1452 								     rear_codec_out_scb,
1453 								     SCB_ON_PARENT_NEXT_SCB);
1454 		if (!clfe_codec_out_scb) goto _fail_end;
1455 
1456 
1457 		/* create the rear PCM channel  mixer SCB */
1458 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1459 									 MIX_SAMPLE_BUF4,
1460 									 CLFE_MIXER_SCB_ADDR,
1461 									 clfe_codec_out_scb,
1462 									 SCB_ON_PARENT_SUBLIST_SCB);
1463 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1464 
1465 		/* enable slot 6 and 9 */
1466 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1467 	} else {
1468 		clfe_codec_out_scb = rear_codec_out_scb;
1469 		ins->center_lfe_mix_scb = rear_mix_scb;
1470 	}
1471 
1472 	/* enable slots depending on CODEC configuration */
1473 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1474 
1475 	/* the magic snooper */
1476 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1477 							     OUTPUT_SNOOP_BUFFER,
1478 							     codec_out_scb,
1479 							     clfe_codec_out_scb,
1480 							     SCB_ON_PARENT_NEXT_SCB);
1481 
1482 
1483 	if (!magic_snoop_scb) goto _fail_end;
1484 	ins->ref_snoop_scb = magic_snoop_scb;
1485 
1486 	/* SP IO access */
1487 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1488 					      magic_snoop_scb,
1489 					      SCB_ON_PARENT_NEXT_SCB))
1490 		goto _fail_end;
1491 
1492 	/* SPDIF input sampel rate converter */
1493 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1494 						      ins->spdif_in_sample_rate,
1495 						      SRC_OUTPUT_BUF1,
1496 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1497 						      master_mix_scb,
1498 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1499 
1500 	if (!src_task_scb) goto _fail_end;
1501 	cs46xx_src_unlink(chip,src_task_scb);
1502 
1503 	/* NOTE: when we now how to detect the SPDIF input
1504 	   sample rate we will use this SRC to adjust it */
1505 	ins->spdif_in_src = src_task_scb;
1506 
1507 	cs46xx_dsp_async_init(chip,timing_master_scb);
1508 	return 0;
1509 
1510  _fail_end:
1511 	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1512 	return -EINVAL;
1513 }
1514 
1515 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1516 				  struct dsp_scb_descriptor * fg_entry)
1517 {
1518 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1519 	struct dsp_symbol_entry * s16_async_codec_input_task;
1520 	struct dsp_symbol_entry * spdifo_task;
1521 	struct dsp_symbol_entry * spdifi_task;
1522 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1523 
1524 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1525 	if (s16_async_codec_input_task == NULL) {
1526 		dev_err(chip->card->dev,
1527 			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1528 		return -EIO;
1529 	}
1530 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1531 	if (spdifo_task == NULL) {
1532 		dev_err(chip->card->dev,
1533 			"dsp_spos: symbol SPDIFOTASK not found\n");
1534 		return -EIO;
1535 	}
1536 
1537 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1538 	if (spdifi_task == NULL) {
1539 		dev_err(chip->card->dev,
1540 			"dsp_spos: symbol SPDIFITASK not found\n");
1541 		return -EIO;
1542 	}
1543 
1544 	{
1545 		/* 0xBC0 */
1546 		struct dsp_spdifoscb spdifo_scb = {
1547 			/* 0 */ DSP_SPOS_UUUU,
1548 			{
1549 				/* 1 */ 0xb0,
1550 				/* 2 */ 0,
1551 				/* 3 */ 0,
1552 				/* 4 */ 0,
1553 			},
1554 			/* NOTE: the SPDIF output task read samples in mono
1555 			   format, the AsynchFGTxSCB task writes to buffer
1556 			   in stereo format
1557 			*/
1558 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1559 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1560 			/* 7 */ 0,0,
1561 			/* 8 */ 0,
1562 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1563 			/* A */ spdifo_task->address,
1564 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1565 			{
1566 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1567 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1568 			},
1569 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1570 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1571 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1572 		};
1573 
1574 		/* 0xBB0 */
1575 		struct dsp_spdifiscb spdifi_scb = {
1576 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1577 			/* 1 */ 0,
1578 			/* 2 */ 0,
1579 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1580 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1581 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1582 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1583 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1584 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1585 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1586 			/* A */ spdifi_task->address,
1587 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1588 			/* NOTE: The SPDIF input task write the sample in mono
1589 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1590 			   them in stereo
1591 			*/
1592 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1593 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1594 			/* D */ 0x8048,0,
1595 			/* E */ 0x01f0,0x0001,
1596 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1597 		};
1598 
1599 		/* 0xBA0 */
1600 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1601 			/* 0 */ DSP_SPOS_UUUU,
1602 			/* 1 */ 0,
1603 			/* 2 */ 0,
1604 			/* 3 */ 1,4000,
1605 			/* 4 */ 0x0118,0x0001,
1606 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1607 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1608 			/* 7 */ DSP_SPOS_UU,0x3,
1609 			/* 8 */ DSP_SPOS_UUUU,
1610 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1611 			/* A */ s16_async_codec_input_task->address,
1612 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1613 
1614 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1615 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1616 
1617 #ifdef UseASER1Input
1618 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1619 			   Init. 0000:8042: for ASER1
1620 			   0000:8044: for ASER2 */
1621 			/* D */ 0x8042,0,
1622 
1623 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1624 			   Init 1 stero:8050 ASER1
1625 			   Init 0  mono:8070 ASER2
1626 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1627 			/* E */ 0x0100,0x0001,
1628 
1629 #endif
1630 
1631 #ifdef UseASER2Input
1632 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1633 			   Init. 0000:8042: for ASER1
1634 			   0000:8044: for ASER2 */
1635 			/* D */ 0x8044,0,
1636 
1637 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1638 			   Init 1 stero:8050 ASER1
1639 			   Init 0  mono:8070 ASER2
1640 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1641 			/* E */ 0x0110,0x0001,
1642 
1643 #endif
1644 
1645 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1646 			   AsyncCIOutputBufModulo: The modulo size for
1647 			   the output buffer of this task */
1648 			/* F */ 0, /* DSP_SPOS_UUUU */
1649 		};
1650 
1651 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1652 
1653 		if (snd_BUG_ON(!spdifo_scb_desc))
1654 			return -EIO;
1655 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1656 		if (snd_BUG_ON(!spdifi_scb_desc))
1657 			return -EIO;
1658 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1659 		if (snd_BUG_ON(!async_codec_scb_desc))
1660 			return -EIO;
1661 
1662 		async_codec_scb_desc->parent_scb_ptr = NULL;
1663 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1664 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1665 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1666 
1667 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1668 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1669 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1670 		spdifi_scb_desc->task_entry = spdifi_task;
1671 
1672 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1673 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1674 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1675 		spdifo_scb_desc->task_entry = spdifo_task;
1676 
1677 		/* this one is faked, as the parnet of SPDIFO task
1678 		   is the FG task tree */
1679 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1680 
1681 		/* for proc fs */
1682 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1683 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1684 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1685 
1686 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1687 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1688 	}
1689 
1690 	return 0;
1691 }
1692 
1693 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1694 {
1695 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1696 
1697 	/* set SPDIF output FIFO slot */
1698 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1699 
1700 	/* SPDIF output MASTER ENABLE */
1701 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1702 
1703 	/* right and left validate bit */
1704 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1705 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1706 
1707 	/* clear fifo pointer */
1708 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1709 
1710 	/* monitor state */
1711 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1712 }
1713 
1714 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1715 {
1716 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1717 
1718 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1719 	cs46xx_dsp_disable_spdif_hw (chip);
1720 	udelay(50);
1721 
1722 	/* set SPDIF output FIFO slot */
1723 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1724 
1725 	/* SPDIF output MASTER ENABLE */
1726 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1727 
1728 	/* right and left validate bit */
1729 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1730 
1731 	/* monitor state */
1732 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1733 
1734 	return 0;
1735 }
1736 
1737 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1738 {
1739 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1740 
1741 	/* turn on amplifier */
1742 	chip->active_ctrl(chip, 1);
1743 	chip->amplifier_ctrl(chip, 1);
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 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1753 		/* time countdown enable */
1754 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1755 		/* NOTE: 80000005 value is just magic. With all values
1756 		   that I've tested this one seem to give the best result.
1757 		   Got no explication why. (Benny) */
1758 
1759 		/* SPDIF input MASTER ENABLE */
1760 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1761 
1762 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1763 	}
1764 
1765 	/* create and start the asynchronous receiver SCB */
1766 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1767 								ASYNCRX_SCB_ADDR,
1768 								SPDIFI_SCB_INST,
1769 								SPDIFI_IP_OUTPUT_BUFFER1,
1770 								ins->spdif_in_src,
1771 								SCB_ON_PARENT_SUBLIST_SCB);
1772 
1773 	spin_lock_irq(&chip->reg_lock);
1774 
1775 	/* reset SPDIF input sample buffer pointer */
1776 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1777 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1778 
1779 	/* reset FIFO ptr */
1780 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1781 	cs46xx_src_link(chip,ins->spdif_in_src);
1782 
1783 	/* unmute SRC volume */
1784 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1785 
1786 	spin_unlock_irq(&chip->reg_lock);
1787 
1788 	/* set SPDIF input sample rate and unmute
1789 	   NOTE: only 48khz support for SPDIF input this time */
1790 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1791 
1792 	/* monitor state */
1793 	ins->spdif_status_in = 1;
1794 	mutex_unlock(&chip->spos_mutex);
1795 
1796 	return 0;
1797 }
1798 
1799 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1800 {
1801 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1802 
1803 	if (snd_BUG_ON(!ins->asynch_rx_scb))
1804 		return -EINVAL;
1805 	if (snd_BUG_ON(!ins->spdif_in_src))
1806 		return -EINVAL;
1807 
1808 	mutex_lock(&chip->spos_mutex);
1809 
1810 	/* Remove the asynchronous receiver SCB */
1811 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1812 	ins->asynch_rx_scb = NULL;
1813 
1814 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1815 
1816 	/* monitor state */
1817 	ins->spdif_status_in = 0;
1818 	mutex_unlock(&chip->spos_mutex);
1819 
1820 	/* restore amplifier */
1821 	chip->active_ctrl(chip, -1);
1822 	chip->amplifier_ctrl(chip, -1);
1823 
1824 	return 0;
1825 }
1826 
1827 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1828 {
1829 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1830 
1831 	if (snd_BUG_ON(ins->pcm_input))
1832 		return -EINVAL;
1833 	if (snd_BUG_ON(!ins->ref_snoop_scb))
1834 		return -EINVAL;
1835 
1836 	mutex_lock(&chip->spos_mutex);
1837 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1838                                                   "PCMSerialInput_Wave");
1839 	mutex_unlock(&chip->spos_mutex);
1840 
1841 	return 0;
1842 }
1843 
1844 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1845 {
1846 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1847 
1848 	if (snd_BUG_ON(!ins->pcm_input))
1849 		return -EINVAL;
1850 
1851 	mutex_lock(&chip->spos_mutex);
1852 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1853 	ins->pcm_input = NULL;
1854 	mutex_unlock(&chip->spos_mutex);
1855 
1856 	return 0;
1857 }
1858 
1859 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1860 {
1861 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1862 
1863 	if (snd_BUG_ON(ins->adc_input))
1864 		return -EINVAL;
1865 	if (snd_BUG_ON(!ins->codec_in_scb))
1866 		return -EINVAL;
1867 
1868 	mutex_lock(&chip->spos_mutex);
1869 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1870 						  "PCMSerialInput_ADC");
1871 	mutex_unlock(&chip->spos_mutex);
1872 
1873 	return 0;
1874 }
1875 
1876 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1877 {
1878 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1879 
1880 	if (snd_BUG_ON(!ins->adc_input))
1881 		return -EINVAL;
1882 
1883 	mutex_lock(&chip->spos_mutex);
1884 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1885 	ins->adc_input = NULL;
1886 	mutex_unlock(&chip->spos_mutex);
1887 
1888 	return 0;
1889 }
1890 
1891 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1892 {
1893 	u32 temp;
1894 	int  i;
1895 
1896 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1897 	   a rough guess from looking at the controller spec.) */
1898 	if (address < 0x8000 || address >= 0x9000)
1899 		return -EINVAL;
1900 
1901 	/* initialize the SP_IO_WRITE SCB with the data. */
1902 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1903 
1904 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1905 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1906 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1907 
1908 	/* Poke this location to tell the task to start */
1909 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1910 
1911 	/* Verify that the task ran */
1912 	for (i=0; i<25; i++) {
1913 		udelay(125);
1914 
1915 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1916 		if (temp == 0x00000000)
1917 			break;
1918 	}
1919 
1920 	if (i == 25) {
1921 		dev_err(chip->card->dev,
1922 			"dsp_spos: SPIOWriteTask not responding\n");
1923 		return -EBUSY;
1924 	}
1925 
1926 	return 0;
1927 }
1928 
1929 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1930 {
1931 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1932 	struct dsp_scb_descriptor * scb;
1933 
1934 	mutex_lock(&chip->spos_mutex);
1935 
1936 	/* main output */
1937 	scb = ins->master_mix_scb->sub_list_ptr;
1938 	while (scb != ins->the_null_scb) {
1939 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1940 		scb = scb->next_scb_ptr;
1941 	}
1942 
1943 	/* rear output */
1944 	scb = ins->rear_mix_scb->sub_list_ptr;
1945 	while (scb != ins->the_null_scb) {
1946 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1947 		scb = scb->next_scb_ptr;
1948 	}
1949 
1950 	ins->dac_volume_left = left;
1951 	ins->dac_volume_right = right;
1952 
1953 	mutex_unlock(&chip->spos_mutex);
1954 
1955 	return 0;
1956 }
1957 
1958 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1959 {
1960 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1961 
1962 	mutex_lock(&chip->spos_mutex);
1963 
1964 	if (ins->asynch_rx_scb != NULL)
1965 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1966 					   left,right);
1967 
1968 	ins->spdif_input_volume_left = left;
1969 	ins->spdif_input_volume_right = right;
1970 
1971 	mutex_unlock(&chip->spos_mutex);
1972 
1973 	return 0;
1974 }
1975 
1976 #ifdef CONFIG_PM_SLEEP
1977 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1978 {
1979 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1980 	int i, err;
1981 
1982 	/* clear parameter, sample and code areas */
1983 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1984 			     DSP_PARAMETER_BYTE_SIZE);
1985 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1986 			     DSP_SAMPLE_BYTE_SIZE);
1987 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1988 
1989 	for (i = 0; i < ins->nmodules; i++) {
1990 		struct dsp_module_desc *module = &ins->modules[i];
1991 		struct dsp_segment_desc *seg;
1992 		u32 doffset, dsize;
1993 
1994 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1995 		err = dsp_load_parameter(chip, seg);
1996 		if (err < 0)
1997 			return err;
1998 
1999 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
2000 		err = dsp_load_sample(chip, seg);
2001 		if (err < 0)
2002 			return err;
2003 
2004 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
2005 		if (!seg)
2006 			continue;
2007 
2008 		doffset = seg->offset * 4 + module->load_address * 4
2009 			+ DSP_CODE_BYTE_OFFSET;
2010 		dsize   = seg->size * 4;
2011 		err = snd_cs46xx_download(chip,
2012 					  ins->code.data + module->load_address,
2013 					  doffset, dsize);
2014 		if (err < 0)
2015 			return err;
2016 	}
2017 
2018 	for (i = 0; i < ins->ntask; i++) {
2019 		struct dsp_task_descriptor *t = &ins->tasks[i];
2020 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
2021 	}
2022 
2023 	for (i = 0; i < ins->nscb; i++) {
2024 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2025 		if (s->deleted)
2026 			continue;
2027 		_dsp_create_scb(chip, s->data, s->address);
2028 	}
2029 	for (i = 0; i < ins->nscb; i++) {
2030 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2031 		if (s->deleted)
2032 			continue;
2033 		if (s->updated)
2034 			cs46xx_dsp_spos_update_scb(chip, s);
2035 		if (s->volume_set)
2036 			cs46xx_dsp_scb_set_volume(chip, s,
2037 						  s->volume[0], s->volume[1]);
2038 	}
2039 	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2040 		cs46xx_dsp_enable_spdif_hw(chip);
2041 		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2042 				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2043 		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2044 			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2045 					    ins->spdif_csuv_stream);
2046 	}
2047 	if (chip->dsp_spos_instance->spdif_status_in) {
2048 		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2049 		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2050 	}
2051 	return 0;
2052 }
2053 #endif
2054