xref: /openbmc/linux/sound/pci/cs46xx/dsp_spos.c (revision 643d1f7f)
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 <asm/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 <sound/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 	snd_assert( ((size % 2) == 0), return -EINVAL);
67 
68 	while (i < size) {
69 		loval = data[i++];
70 		hival = data[i++];
71 
72 		if (ins->code.offset > 0) {
73 			mop_operands = (hival >> 6) & 0x03fff;
74 			mop_type = mop_operands >> 10;
75 
76 			/* check for wide type instruction */
77 			if (mop_type == 0 &&
78 			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
79 			    (mop_operands & WIDE_INSTR_MASK) != 0) {
80 				wide_op = loval & 0x7f;
81 				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
82 					if (wide_opcodes[j] == wide_op) {
83 						/* need to reallocate instruction */
84 						address  = (hival & 0x00FFF) << 5;
85 						address |=  loval >> 15;
86 
87 						snd_printdd("handle_wideop[1]: %05x:%05x addr %04x\n",hival,loval,address);
88 
89 						if ( !(address & 0x8000) ) {
90 							address += (ins->code.offset / 2) - overlay_begin_address;
91 						} else {
92 							snd_printdd("handle_wideop[1]: ROM symbol not reallocated\n");
93 						}
94 
95 						hival &= 0xFF000;
96 						loval &= 0x07FFF;
97 
98 						hival |= ( (address >> 5)  & 0x00FFF);
99 						loval |= ( (address << 15) & 0xF8000);
100 
101 						address  = (hival & 0x00FFF) << 5;
102 						address |=  loval >> 15;
103 
104 						snd_printdd("handle_wideop:[2] %05x:%05x addr %04x\n",hival,loval,address);
105 						nreallocated ++;
106 					} /* wide_opcodes[j] == wide_op */
107 				} /* for */
108 			} /* mod_type == 0 ... */
109 		} /* ins->code.offset > 0 */
110 
111 		ins->code.data[ins->code.size++] = loval;
112 		ins->code.data[ins->code.size++] = hival;
113 	}
114 
115 	snd_printdd("dsp_spos: %d instructions reallocated\n",nreallocated);
116 	return nreallocated;
117 }
118 
119 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
120 {
121 	int i;
122 	for (i = 0;i < module->nsegments; ++i) {
123 		if (module->segments[i].segment_type == seg_type) {
124 			return (module->segments + i);
125 		}
126 	}
127 
128 	return NULL;
129 };
130 
131 static int find_free_symbol_index (struct dsp_spos_instance * ins)
132 {
133 	int index = ins->symbol_table.nsymbols,i;
134 
135 	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
136 		if (ins->symbol_table.symbols[i].deleted) {
137 			index = i;
138 			break;
139 		}
140 	}
141 
142 	return index;
143 }
144 
145 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
146 {
147 	int i;
148 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
149 
150 	if (module->symbol_table.nsymbols > 0) {
151 		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
152 		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
153 			module->overlay_begin_address = module->symbol_table.symbols[0].address;
154 		}
155 	}
156 
157 	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
158 		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
159 			snd_printk(KERN_ERR "dsp_spos: symbol table is full\n");
160 			return -ENOMEM;
161 		}
162 
163 
164 		if (cs46xx_dsp_lookup_symbol(chip,
165 					     module->symbol_table.symbols[i].symbol_name,
166 					     module->symbol_table.symbols[i].symbol_type) == NULL) {
167 
168 			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
169 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
170 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
171 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
172 
173 			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
174 				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
175 
176 			ins->symbol_table.nsymbols++;
177 		} else {
178           /* if (0) printk ("dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
179                              module->symbol_table.symbols[i].symbol_name); */
180 		}
181 	}
182 
183 	return 0;
184 }
185 
186 static struct dsp_symbol_entry *
187 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
188 {
189 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
190 	struct dsp_symbol_entry * symbol = NULL;
191 	int index;
192 
193 	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
194 		snd_printk(KERN_ERR "dsp_spos: symbol table is full\n");
195 		return NULL;
196 	}
197 
198 	if (cs46xx_dsp_lookup_symbol(chip,
199 				     symbol_name,
200 				     type) != NULL) {
201 		snd_printk(KERN_ERR "dsp_spos: symbol <%s> duplicated\n", symbol_name);
202 		return NULL;
203 	}
204 
205 	index = find_free_symbol_index (ins);
206 
207 	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
208 	ins->symbol_table.symbols[index].address = address;
209 	ins->symbol_table.symbols[index].symbol_type = type;
210 	ins->symbol_table.symbols[index].module = NULL;
211 	ins->symbol_table.symbols[index].deleted = 0;
212 	symbol = (ins->symbol_table.symbols + index);
213 
214 	if (index > ins->symbol_table.highest_frag_index)
215 		ins->symbol_table.highest_frag_index = index;
216 
217 	if (index == ins->symbol_table.nsymbols)
218 		ins->symbol_table.nsymbols++; /* no frag. in list */
219 
220 	return symbol;
221 }
222 
223 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
224 {
225 	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
226 
227 	if (ins == NULL)
228 		return NULL;
229 
230 	/* better to use vmalloc for this big table */
231 	ins->symbol_table.nsymbols = 0;
232 	ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
233 					    DSP_MAX_SYMBOLS);
234 	ins->symbol_table.highest_frag_index = 0;
235 
236 	if (ins->symbol_table.symbols == NULL) {
237 		cs46xx_dsp_spos_destroy(chip);
238 		goto error;
239 	}
240 
241 	ins->code.offset = 0;
242 	ins->code.size = 0;
243 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
244 
245 	if (ins->code.data == NULL) {
246 		cs46xx_dsp_spos_destroy(chip);
247 		goto error;
248 	}
249 
250 	ins->nscb = 0;
251 	ins->ntask = 0;
252 
253 	ins->nmodules = 0;
254 	ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
255 
256 	if (ins->modules == NULL) {
257 		cs46xx_dsp_spos_destroy(chip);
258 		goto error;
259 	}
260 
261 	/* default SPDIF input sample rate
262 	   to 48000 khz */
263 	ins->spdif_in_sample_rate = 48000;
264 
265 	/* maximize volume */
266 	ins->dac_volume_right = 0x8000;
267 	ins->dac_volume_left = 0x8000;
268 	ins->spdif_input_volume_right = 0x8000;
269 	ins->spdif_input_volume_left = 0x8000;
270 
271 	/* set left and right validity bits and
272 	   default channel status */
273 	ins->spdif_csuv_default =
274 		ins->spdif_csuv_stream =
275 	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
276 	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
277 	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
278 	 /* left and right validity bits */ (1 << 13) | (1 << 12);
279 
280 	return ins;
281 
282 error:
283 	kfree(ins);
284 	return NULL;
285 }
286 
287 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
288 {
289 	int i;
290 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
291 
292 	snd_assert(ins != NULL, return);
293 
294 	mutex_lock(&chip->spos_mutex);
295 	for (i = 0; i < ins->nscb; ++i) {
296 		if (ins->scbs[i].deleted) continue;
297 
298 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
299 	}
300 
301 	kfree(ins->code.data);
302 	vfree(ins->symbol_table.symbols);
303 	kfree(ins->modules);
304 	kfree(ins);
305 	mutex_unlock(&chip->spos_mutex);
306 }
307 
308 static int dsp_load_parameter(struct snd_cs46xx *chip,
309 			      struct dsp_segment_desc *parameter)
310 {
311 	u32 doffset, dsize;
312 
313 	if (!parameter) {
314 		snd_printdd("dsp_spos: module got no parameter segment\n");
315 		return 0;
316 	}
317 
318 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
319 	dsize   = parameter->size * 4;
320 
321 	snd_printdd("dsp_spos: "
322 		    "downloading parameter data to chip (%08x-%08x)\n",
323 		    doffset,doffset + dsize);
324 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
325 		snd_printk(KERN_ERR "dsp_spos: "
326 			   "failed to download parameter data to DSP\n");
327 		return -EINVAL;
328 	}
329 	return 0;
330 }
331 
332 static int dsp_load_sample(struct snd_cs46xx *chip,
333 			   struct dsp_segment_desc *sample)
334 {
335 	u32 doffset, dsize;
336 
337 	if (!sample) {
338 		snd_printdd("dsp_spos: module got no sample segment\n");
339 		return 0;
340 	}
341 
342 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
343 	dsize   =  sample->size * 4;
344 
345 	snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
346 		    doffset,doffset + dsize);
347 
348 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
349 		snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
350 		return -EINVAL;
351 	}
352 	return 0;
353 }
354 
355 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
356 {
357 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
358 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
359 	u32 doffset, dsize;
360 	int err;
361 
362 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
363 		snd_printk(KERN_ERR "dsp_spos: to many modules loaded into DSP\n");
364 		return -ENOMEM;
365 	}
366 
367 	snd_printdd("dsp_spos: loading module %s into DSP\n", module->module_name);
368 
369 	if (ins->nmodules == 0) {
370 		snd_printdd("dsp_spos: clearing parameter area\n");
371 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
372 	}
373 
374 	err = dsp_load_parameter(chip, get_segment_desc(module,
375 							SEGTYPE_SP_PARAMETER));
376 	if (err < 0)
377 		return err;
378 
379 	if (ins->nmodules == 0) {
380 		snd_printdd("dsp_spos: clearing sample area\n");
381 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
382 	}
383 
384 	err = dsp_load_sample(chip, get_segment_desc(module,
385 						     SEGTYPE_SP_SAMPLE));
386 	if (err < 0)
387 		return err;
388 
389 	if (ins->nmodules == 0) {
390 		snd_printdd("dsp_spos: clearing code area\n");
391 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
392 	}
393 
394 	if (code == NULL) {
395 		snd_printdd("dsp_spos: module got no code segment\n");
396 	} else {
397 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
398 			snd_printk(KERN_ERR "dsp_spos: no space available in DSP\n");
399 			return -ENOMEM;
400 		}
401 
402 		module->load_address = ins->code.offset;
403 		module->overlay_begin_address = 0x000;
404 
405 		/* if module has a code segment it must have
406 		   symbol table */
407 		snd_assert(module->symbol_table.symbols != NULL ,return -ENOMEM);
408 		if (add_symbols(chip,module)) {
409 			snd_printk(KERN_ERR "dsp_spos: failed to load symbol table\n");
410 			return -ENOMEM;
411 		}
412 
413 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
414 		dsize   = code->size * 4;
415 		snd_printdd("dsp_spos: downloading code to chip (%08x-%08x)\n",
416 			    doffset,doffset + dsize);
417 
418 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
419 
420 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
421 			snd_printk(KERN_ERR "dsp_spos: failed to download code to DSP\n");
422 			return -EINVAL;
423 		}
424 
425 		ins->code.offset += code->size;
426 	}
427 
428 	/* NOTE: module segments and symbol table must be
429 	   statically allocated. Case that module data is
430 	   not generated by the ospparser */
431 	ins->modules[ins->nmodules] = *module;
432 	ins->nmodules++;
433 
434 	return 0;
435 }
436 
437 struct dsp_symbol_entry *
438 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
439 {
440 	int i;
441 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
442 
443 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
444 
445 		if (ins->symbol_table.symbols[i].deleted)
446 			continue;
447 
448 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
449 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
450 			return (ins->symbol_table.symbols + i);
451 		}
452 	}
453 
454 #if 0
455 	printk ("dsp_spos: symbol <%s> type %02x not found\n",
456 		symbol_name,symbol_type);
457 #endif
458 
459 	return NULL;
460 }
461 
462 
463 #ifdef CONFIG_PROC_FS
464 static struct dsp_symbol_entry *
465 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
466 {
467 	int i;
468 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
469 
470 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
471 
472 		if (ins->symbol_table.symbols[i].deleted)
473 			continue;
474 
475 		if (ins->symbol_table.symbols[i].address == address &&
476 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
477 			return (ins->symbol_table.symbols + i);
478 		}
479 	}
480 
481 
482 	return NULL;
483 }
484 
485 
486 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
487 					       struct snd_info_buffer *buffer)
488 {
489 	struct snd_cs46xx *chip = entry->private_data;
490 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
491 	int i;
492 
493 	snd_iprintf(buffer, "SYMBOLS:\n");
494 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
495 		char *module_str = "system";
496 
497 		if (ins->symbol_table.symbols[i].deleted)
498 			continue;
499 
500 		if (ins->symbol_table.symbols[i].module != NULL) {
501 			module_str = ins->symbol_table.symbols[i].module->module_name;
502 		}
503 
504 
505 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
506 			    ins->symbol_table.symbols[i].address,
507 			    ins->symbol_table.symbols[i].symbol_type,
508 			    ins->symbol_table.symbols[i].symbol_name,
509 			    module_str);
510 	}
511 }
512 
513 
514 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
515 					  struct snd_info_buffer *buffer)
516 {
517 	struct snd_cs46xx *chip = entry->private_data;
518 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
519 	int i,j;
520 
521 	mutex_lock(&chip->spos_mutex);
522 	snd_iprintf(buffer, "MODULES:\n");
523 	for ( i = 0; i < ins->nmodules; ++i ) {
524 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
525 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
526 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
527 
528 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
529 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
530 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
531 				    desc->segment_type,desc->offset, desc->size);
532 		}
533 	}
534 	mutex_unlock(&chip->spos_mutex);
535 }
536 
537 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
538 					    struct snd_info_buffer *buffer)
539 {
540 	struct snd_cs46xx *chip = entry->private_data;
541 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
542 	int i, j, col;
543 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
544 
545 	mutex_lock(&chip->spos_mutex);
546 	snd_iprintf(buffer, "TASK TREES:\n");
547 	for ( i = 0; i < ins->ntask; ++i) {
548 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
549 
550 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
551 			u32 val;
552 			if (col == 4) {
553 				snd_iprintf(buffer,"\n");
554 				col = 0;
555 			}
556 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
557 			snd_iprintf(buffer,"%08x ",val);
558 		}
559 	}
560 
561 	snd_iprintf(buffer,"\n");
562 	mutex_unlock(&chip->spos_mutex);
563 }
564 
565 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
566 				      struct snd_info_buffer *buffer)
567 {
568 	struct snd_cs46xx *chip = entry->private_data;
569 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
570 	int i;
571 
572 	mutex_lock(&chip->spos_mutex);
573 	snd_iprintf(buffer, "SCB's:\n");
574 	for ( i = 0; i < ins->nscb; ++i) {
575 		if (ins->scbs[i].deleted)
576 			continue;
577 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
578 
579 		if (ins->scbs[i].parent_scb_ptr != NULL) {
580 			snd_iprintf(buffer,"parent [%s:%04x] ",
581 				    ins->scbs[i].parent_scb_ptr->scb_name,
582 				    ins->scbs[i].parent_scb_ptr->address);
583 		} else snd_iprintf(buffer,"parent [none] ");
584 
585 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
586 			    ins->scbs[i].sub_list_ptr->scb_name,
587 			    ins->scbs[i].sub_list_ptr->address,
588 			    ins->scbs[i].next_scb_ptr->scb_name,
589 			    ins->scbs[i].next_scb_ptr->address,
590 			    ins->scbs[i].task_entry->symbol_name,
591 			    ins->scbs[i].task_entry->address);
592 	}
593 
594 	snd_iprintf(buffer,"\n");
595 	mutex_unlock(&chip->spos_mutex);
596 }
597 
598 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
599 						 struct snd_info_buffer *buffer)
600 {
601 	struct snd_cs46xx *chip = entry->private_data;
602 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
603 	unsigned int i, col = 0;
604 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
605 	struct dsp_symbol_entry * symbol;
606 
607 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
608 		if (col == 4) {
609 			snd_iprintf(buffer,"\n");
610 			col = 0;
611 		}
612 
613 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
614 			col = 0;
615 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
616 		}
617 
618 		if (col == 0) {
619 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
620 		}
621 
622 		snd_iprintf(buffer,"%08X ",readl(dst + i));
623 	}
624 }
625 
626 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
627 					      struct snd_info_buffer *buffer)
628 {
629 	struct snd_cs46xx *chip = entry->private_data;
630 	int i,col = 0;
631 	void __iomem *dst = chip->region.idx[2].remap_addr;
632 
633 	snd_iprintf(buffer,"PCMREADER:\n");
634 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
635 		if (col == 4) {
636 			snd_iprintf(buffer,"\n");
637 			col = 0;
638 		}
639 
640 		if (col == 0) {
641 			snd_iprintf(buffer, "%04X ",i);
642 		}
643 
644 		snd_iprintf(buffer,"%08X ",readl(dst + i));
645 	}
646 
647 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
648 
649 	col = 0;
650 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
651 		if (col == 4) {
652 			snd_iprintf(buffer,"\n");
653 			col = 0;
654 		}
655 
656 		if (col == 0) {
657 			snd_iprintf(buffer, "%04X ",i);
658 		}
659 
660 		snd_iprintf(buffer,"%08X ",readl(dst + i));
661 	}
662 
663 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
664 	col = 0;
665 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
666 		if (col == 4) {
667 			snd_iprintf(buffer,"\n");
668 			col = 0;
669 		}
670 
671 		if (col == 0) {
672 			snd_iprintf(buffer, "%04X ",i);
673 		}
674 
675 		snd_iprintf(buffer,"%08X ",readl(dst + i));
676 	}
677 
678 
679 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
680 	col = 0;
681 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
682 		if (col == 4) {
683 			snd_iprintf(buffer,"\n");
684 			col = 0;
685 		}
686 
687 		if (col == 0) {
688 			snd_iprintf(buffer, "%04X ",i);
689 		}
690 
691 		snd_iprintf(buffer,"%08X ",readl(dst + i));
692 	}
693 
694 	snd_iprintf(buffer,"\n...\n");
695 	col = 0;
696 
697 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
698 		if (col == 4) {
699 			snd_iprintf(buffer,"\n");
700 			col = 0;
701 		}
702 
703 		if (col == 0) {
704 			snd_iprintf(buffer, "%04X ",i);
705 		}
706 
707 		snd_iprintf(buffer,"%08X ",readl(dst + i));
708 	}
709 
710 
711 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
712 	col = 0;
713 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
714 		if (col == 4) {
715 			snd_iprintf(buffer,"\n");
716 			col = 0;
717 		}
718 
719 		if (col == 0) {
720 			snd_iprintf(buffer, "%04X ",i);
721 		}
722 
723 		snd_iprintf(buffer,"%08X ",readl(dst + i));
724 	}
725 
726 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
727 	col = 0;
728 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
729 		if (col == 4) {
730 			snd_iprintf(buffer,"\n");
731 			col = 0;
732 		}
733 
734 		if (col == 0) {
735 			snd_iprintf(buffer, "%04X ",i);
736 		}
737 
738 		snd_iprintf(buffer,"%08X ",readl(dst + i));
739 	}
740 #if 0
741 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
742 	col = 0;
743 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
744 		if (col == 4) {
745 			snd_iprintf(buffer,"\n");
746 			col = 0;
747 		}
748 
749 		if (col == 0) {
750 			snd_iprintf(buffer, "%04X ",i);
751 		}
752 
753 		snd_iprintf(buffer,"%08X ",readl(dst + i));
754 	}
755 #endif
756 
757 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
758 	col = 0;
759 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
760 		if (col == 4) {
761 			snd_iprintf(buffer,"\n");
762 			col = 0;
763 		}
764 
765 		if (col == 0) {
766 			snd_iprintf(buffer, "%04X ",i);
767 		}
768 
769 		snd_iprintf(buffer,"%08X ",readl(dst + i));
770 	}
771 	snd_iprintf(buffer,"\n");
772 }
773 
774 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
775 {
776 	struct snd_info_entry *entry;
777 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
778 	int i;
779 
780 	ins->snd_card = card;
781 
782 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
783 		entry->content = SNDRV_INFO_CONTENT_TEXT;
784 		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
785 
786 		if (snd_info_register(entry) < 0) {
787 			snd_info_free_entry(entry);
788 			entry = NULL;
789 		}
790 	}
791 
792 	ins->proc_dsp_dir = entry;
793 
794 	if (!ins->proc_dsp_dir)
795 		return -ENOMEM;
796 
797 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
798 		entry->content = SNDRV_INFO_CONTENT_TEXT;
799 		entry->private_data = chip;
800 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
801 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
802 		if (snd_info_register(entry) < 0) {
803 			snd_info_free_entry(entry);
804 			entry = NULL;
805 		}
806 	}
807 	ins->proc_sym_info_entry = entry;
808 
809 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
810 		entry->content = SNDRV_INFO_CONTENT_TEXT;
811 		entry->private_data = chip;
812 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
813 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
814 		if (snd_info_register(entry) < 0) {
815 			snd_info_free_entry(entry);
816 			entry = NULL;
817 		}
818 	}
819 	ins->proc_modules_info_entry = entry;
820 
821 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
822 		entry->content = SNDRV_INFO_CONTENT_TEXT;
823 		entry->private_data = chip;
824 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
825 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
826 		if (snd_info_register(entry) < 0) {
827 			snd_info_free_entry(entry);
828 			entry = NULL;
829 		}
830 	}
831 	ins->proc_parameter_dump_info_entry = entry;
832 
833 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
834 		entry->content = SNDRV_INFO_CONTENT_TEXT;
835 		entry->private_data = chip;
836 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
837 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
838 		if (snd_info_register(entry) < 0) {
839 			snd_info_free_entry(entry);
840 			entry = NULL;
841 		}
842 	}
843 	ins->proc_sample_dump_info_entry = entry;
844 
845 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
846 		entry->content = SNDRV_INFO_CONTENT_TEXT;
847 		entry->private_data = chip;
848 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
849 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
850 		if (snd_info_register(entry) < 0) {
851 			snd_info_free_entry(entry);
852 			entry = NULL;
853 		}
854 	}
855 	ins->proc_task_info_entry = entry;
856 
857 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
858 		entry->content = SNDRV_INFO_CONTENT_TEXT;
859 		entry->private_data = chip;
860 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
861 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
862 		if (snd_info_register(entry) < 0) {
863 			snd_info_free_entry(entry);
864 			entry = NULL;
865 		}
866 	}
867 	ins->proc_scb_info_entry = entry;
868 
869 	mutex_lock(&chip->spos_mutex);
870 	/* register/update SCB's entries on proc */
871 	for (i = 0; i < ins->nscb; ++i) {
872 		if (ins->scbs[i].deleted) continue;
873 
874 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
875 	}
876 	mutex_unlock(&chip->spos_mutex);
877 
878 	return 0;
879 }
880 
881 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
882 {
883 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
884 	int i;
885 
886 	snd_info_free_entry(ins->proc_sym_info_entry);
887 	ins->proc_sym_info_entry = NULL;
888 
889 	snd_info_free_entry(ins->proc_modules_info_entry);
890 	ins->proc_modules_info_entry = NULL;
891 
892 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
893 	ins->proc_parameter_dump_info_entry = NULL;
894 
895 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
896 	ins->proc_sample_dump_info_entry = NULL;
897 
898 	snd_info_free_entry(ins->proc_scb_info_entry);
899 	ins->proc_scb_info_entry = NULL;
900 
901 	snd_info_free_entry(ins->proc_task_info_entry);
902 	ins->proc_task_info_entry = NULL;
903 
904 	mutex_lock(&chip->spos_mutex);
905 	for (i = 0; i < ins->nscb; ++i) {
906 		if (ins->scbs[i].deleted) continue;
907 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
908 	}
909 	mutex_unlock(&chip->spos_mutex);
910 
911 	snd_info_free_entry(ins->proc_dsp_dir);
912 	ins->proc_dsp_dir = NULL;
913 
914 	return 0;
915 }
916 #endif /* CONFIG_PROC_FS */
917 
918 static int debug_tree;
919 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
920 				   u32  dest, int size)
921 {
922 	void __iomem *spdst = chip->region.idx[1].remap_addr +
923 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
924 	int i;
925 
926 	for (i = 0; i < size; ++i) {
927 		if (debug_tree) printk ("addr %p, val %08x\n",spdst,task_data[i]);
928 		writel(task_data[i],spdst);
929 		spdst += sizeof(u32);
930 	}
931 }
932 
933 static int debug_scb;
934 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
935 {
936 	void __iomem *spdst = chip->region.idx[1].remap_addr +
937 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
938 	int i;
939 
940 	for (i = 0; i < 0x10; ++i) {
941 		if (debug_scb) printk ("addr %p, val %08x\n",spdst,scb_data[i]);
942 		writel(scb_data[i],spdst);
943 		spdst += sizeof(u32);
944 	}
945 }
946 
947 static int find_free_scb_index (struct dsp_spos_instance * ins)
948 {
949 	int index = ins->nscb, i;
950 
951 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
952 		if (ins->scbs[i].deleted) {
953 			index = i;
954 			break;
955 		}
956 	}
957 
958 	return index;
959 }
960 
961 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
962 {
963 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
964 	struct dsp_scb_descriptor * desc = NULL;
965 	int index;
966 
967 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
968 		snd_printk(KERN_ERR "dsp_spos: got no place for other SCB\n");
969 		return NULL;
970 	}
971 
972 	index = find_free_scb_index (ins);
973 
974 	strcpy(ins->scbs[index].scb_name, name);
975 	ins->scbs[index].address = dest;
976 	ins->scbs[index].index = index;
977 	ins->scbs[index].proc_info = NULL;
978 	ins->scbs[index].ref_count = 1;
979 	ins->scbs[index].deleted = 0;
980 	spin_lock_init(&ins->scbs[index].lock);
981 
982 	desc = (ins->scbs + index);
983 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
984 
985 	if (index > ins->scb_highest_frag_index)
986 		ins->scb_highest_frag_index = index;
987 
988 	if (index == ins->nscb)
989 		ins->nscb++;
990 
991 	return desc;
992 }
993 
994 static struct dsp_task_descriptor *
995 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
996 {
997 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
998 	struct dsp_task_descriptor * desc = NULL;
999 
1000 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1001 		snd_printk(KERN_ERR "dsp_spos: got no place for other TASK\n");
1002 		return NULL;
1003 	}
1004 
1005 	if (name)
1006 		strcpy(ins->tasks[ins->ntask].task_name, name);
1007 	else
1008 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1009 	ins->tasks[ins->ntask].address = dest;
1010 	ins->tasks[ins->ntask].size = size;
1011 
1012 	/* quick find in list */
1013 	ins->tasks[ins->ntask].index = ins->ntask;
1014 	desc = (ins->tasks + ins->ntask);
1015 	ins->ntask++;
1016 
1017 	if (name)
1018 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1019 	return desc;
1020 }
1021 
1022 struct dsp_scb_descriptor *
1023 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1024 {
1025 	struct dsp_scb_descriptor * desc;
1026 
1027 	desc = _map_scb (chip,name,dest);
1028 	if (desc) {
1029 		desc->data = scb_data;
1030 		_dsp_create_scb(chip,scb_data,dest);
1031 	} else {
1032 		snd_printk(KERN_ERR "dsp_spos: failed to map SCB\n");
1033 	}
1034 
1035 	return desc;
1036 }
1037 
1038 
1039 static struct dsp_task_descriptor *
1040 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1041 			     u32 dest, int size)
1042 {
1043 	struct dsp_task_descriptor * desc;
1044 
1045 	desc = _map_task_tree (chip,name,dest,size);
1046 	if (desc) {
1047 		desc->data = task_data;
1048 		_dsp_create_task_tree(chip,task_data,dest,size);
1049 	} else {
1050 		snd_printk(KERN_ERR "dsp_spos: failed to map TASK\n");
1051 	}
1052 
1053 	return desc;
1054 }
1055 
1056 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1057 {
1058 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1059 	struct dsp_symbol_entry * fg_task_tree_header_code;
1060 	struct dsp_symbol_entry * task_tree_header_code;
1061 	struct dsp_symbol_entry * task_tree_thread;
1062 	struct dsp_symbol_entry * null_algorithm;
1063 	struct dsp_symbol_entry * magic_snoop_task;
1064 
1065 	struct dsp_scb_descriptor * timing_master_scb;
1066 	struct dsp_scb_descriptor * codec_out_scb;
1067 	struct dsp_scb_descriptor * codec_in_scb;
1068 	struct dsp_scb_descriptor * src_task_scb;
1069 	struct dsp_scb_descriptor * master_mix_scb;
1070 	struct dsp_scb_descriptor * rear_mix_scb;
1071 	struct dsp_scb_descriptor * record_mix_scb;
1072 	struct dsp_scb_descriptor * write_back_scb;
1073 	struct dsp_scb_descriptor * vari_decimate_scb;
1074 	struct dsp_scb_descriptor * rear_codec_out_scb;
1075 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1076 	struct dsp_scb_descriptor * magic_snoop_scb;
1077 
1078 	int fifo_addr, fifo_span, valid_slots;
1079 
1080 	static struct dsp_spos_control_block sposcb = {
1081 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1082 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1083 		/* 2 */ DSP_SPOS_DC,0,
1084 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1085 		/* 4 */ 0,0,
1086 		/* 5 */ DSP_SPOS_UU,0,
1087 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1088 		/* 7 */ 0,0,
1089 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1090 		/* 9 */ 0,
1091 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1092 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1093 		/* C */ DSP_SPOS_DC_DC,
1094 		/* D */ DSP_SPOS_DC_DC,
1095 		/* E */ DSP_SPOS_DC_DC,
1096 		/* F */ DSP_SPOS_DC_DC
1097 	};
1098 
1099 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1100 
1101 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1102 	if (null_algorithm == NULL) {
1103 		snd_printk(KERN_ERR "dsp_spos: symbol NULLALGORITHM not found\n");
1104 		return -EIO;
1105 	}
1106 
1107 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1108 	if (fg_task_tree_header_code == NULL) {
1109 		snd_printk(KERN_ERR "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1110 		return -EIO;
1111 	}
1112 
1113 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1114 	if (task_tree_header_code == NULL) {
1115 		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1116 		return -EIO;
1117 	}
1118 
1119 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1120 	if (task_tree_thread == NULL) {
1121 		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREETHREAD not found\n");
1122 		return -EIO;
1123 	}
1124 
1125 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1126 	if (magic_snoop_task == NULL) {
1127 		snd_printk(KERN_ERR "dsp_spos: symbol MAGICSNOOPTASK not found\n");
1128 		return -EIO;
1129 	}
1130 
1131 	{
1132 		/* create the null SCB */
1133 		static struct dsp_generic_scb null_scb = {
1134 			{ 0, 0, 0, 0 },
1135 			{ 0, 0, 0, 0, 0 },
1136 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1137 			0, 0, 0, 0, 0,
1138 			{
1139 				0,0,
1140 				0,0,
1141 			}
1142 		};
1143 
1144 		null_scb.entry_point = null_algorithm->address;
1145 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1146 		ins->the_null_scb->task_entry = null_algorithm;
1147 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1148 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1149 		ins->the_null_scb->parent_scb_ptr = NULL;
1150 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1151 	}
1152 
1153 	{
1154 		/* setup foreground task tree */
1155 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1156 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1157 			  DSP_SPOS_DC_DC,
1158 			  DSP_SPOS_DC_DC,
1159 			  0x0000,DSP_SPOS_DC,
1160 			  DSP_SPOS_DC, DSP_SPOS_DC,
1161 			  DSP_SPOS_DC_DC,
1162 			  DSP_SPOS_DC_DC,
1163 			  DSP_SPOS_DC_DC,
1164 			  DSP_SPOS_DC,DSP_SPOS_DC },
1165 
1166 			{
1167 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1168 				0,
1169 				FG_TASK_HEADER_ADDR + TCBData,
1170 			},
1171 
1172 			{
1173 				4,0,
1174 				1,0,
1175 				2,SPOSCB_ADDR + HFGFlags,
1176 				0,0,
1177 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1178 			},
1179 
1180 			{
1181 				DSP_SPOS_DC,0,
1182 				DSP_SPOS_DC,DSP_SPOS_DC,
1183 				DSP_SPOS_DC,DSP_SPOS_DC,
1184 				DSP_SPOS_DC,DSP_SPOS_DC,
1185 				DSP_SPOS_DC,DSP_SPOS_DC,
1186 				DSP_SPOS_DCDC,
1187 				DSP_SPOS_UU,1,
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 				DSP_SPOS_DCDC,
1196 				DSP_SPOS_DCDC,
1197 				DSP_SPOS_DCDC,
1198 				DSP_SPOS_DCDC,
1199 				DSP_SPOS_DCDC,
1200 				DSP_SPOS_DCDC,
1201 				DSP_SPOS_DCDC,
1202 				DSP_SPOS_DCDC,
1203 				DSP_SPOS_DCDC,
1204 				DSP_SPOS_DCDC,
1205 				DSP_SPOS_DCDC,
1206 				DSP_SPOS_DCDC,
1207 				DSP_SPOS_DCDC,
1208 				DSP_SPOS_DCDC,
1209 				DSP_SPOS_DCDC,
1210 				DSP_SPOS_DCDC,
1211 				DSP_SPOS_DCDC,
1212 				DSP_SPOS_DCDC,
1213 				DSP_SPOS_DCDC,
1214 				DSP_SPOS_DCDC,
1215 				DSP_SPOS_DCDC
1216 			},
1217 			{
1218 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1219 				0,0
1220 			}
1221 		};
1222 
1223 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1224 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1225 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1226 	}
1227 
1228 
1229 	{
1230 		/* setup foreground task tree */
1231 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1232 			{ DSP_SPOS_DC_DC,
1233 			  DSP_SPOS_DC_DC,
1234 			  DSP_SPOS_DC_DC,
1235 			  DSP_SPOS_DC, DSP_SPOS_DC,
1236 			  DSP_SPOS_DC, DSP_SPOS_DC,
1237 			  DSP_SPOS_DC_DC,
1238 			  DSP_SPOS_DC_DC,
1239 			  DSP_SPOS_DC_DC,
1240 			  DSP_SPOS_DC,DSP_SPOS_DC },
1241 
1242 			{
1243 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1244 				0,
1245 				BG_TREE_SCB_ADDR + TCBData,
1246 			},
1247 
1248 			{
1249 				9999,0,
1250 				0,1,
1251 				0,SPOSCB_ADDR + HFGFlags,
1252 				0,0,
1253 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1254 			},
1255 
1256 			{
1257 				DSP_SPOS_DC,0,
1258 				DSP_SPOS_DC,DSP_SPOS_DC,
1259 				DSP_SPOS_DC,DSP_SPOS_DC,
1260 				DSP_SPOS_DC,DSP_SPOS_DC,
1261 				DSP_SPOS_DC,DSP_SPOS_DC,
1262 				DSP_SPOS_DCDC,
1263 				DSP_SPOS_UU,1,
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 				DSP_SPOS_DCDC,
1272 				DSP_SPOS_DCDC,
1273 				DSP_SPOS_DCDC,
1274 				DSP_SPOS_DCDC,
1275 				DSP_SPOS_DCDC,
1276 				DSP_SPOS_DCDC,
1277 				DSP_SPOS_DCDC,
1278 				DSP_SPOS_DCDC,
1279 				DSP_SPOS_DCDC,
1280 				DSP_SPOS_DCDC,
1281 				DSP_SPOS_DCDC,
1282 				DSP_SPOS_DCDC,
1283 				DSP_SPOS_DCDC,
1284 				DSP_SPOS_DCDC,
1285 				DSP_SPOS_DCDC,
1286 				DSP_SPOS_DCDC,
1287 				DSP_SPOS_DCDC,
1288 				DSP_SPOS_DCDC,
1289 				DSP_SPOS_DCDC,
1290 				DSP_SPOS_DCDC,
1291 				DSP_SPOS_DCDC
1292 			},
1293 			{
1294 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1295 				0,0
1296 			}
1297 		};
1298 
1299 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1300 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1301 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1302 	}
1303 
1304 	/* create timing master SCB */
1305 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1306 
1307 	/* create the CODEC output task */
1308 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1309 							MASTERMIX_SCB_ADDR,
1310 							CODECOUT_SCB_ADDR,timing_master_scb,
1311 							SCB_ON_PARENT_SUBLIST_SCB);
1312 
1313 	if (!codec_out_scb) goto _fail_end;
1314 	/* create the master mix SCB */
1315 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1316 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1317 							codec_out_scb,
1318 							SCB_ON_PARENT_SUBLIST_SCB);
1319 	ins->master_mix_scb = master_mix_scb;
1320 
1321 	if (!master_mix_scb) goto _fail_end;
1322 
1323 	/* create codec in */
1324 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1325 						      CODEC_INPUT_BUF1,
1326 						      CODECIN_SCB_ADDR,codec_out_scb,
1327 						      SCB_ON_PARENT_NEXT_SCB);
1328 	if (!codec_in_scb) goto _fail_end;
1329 	ins->codec_in_scb = codec_in_scb;
1330 
1331 	/* create write back scb */
1332 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1333 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1334 							      WRITEBACK_SCB_ADDR,
1335 							      timing_master_scb,
1336 							      SCB_ON_PARENT_NEXT_SCB);
1337 	if (!write_back_scb) goto _fail_end;
1338 
1339 	{
1340 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1341 			0x00020000,
1342 			0x0000ffff
1343 		};
1344 
1345 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1346 						 (u32 *)&mix2_ostream_spb,
1347 						 WRITE_BACK_SPB, 2))
1348 			goto _fail_end;
1349 	}
1350 
1351 	/* input sample converter */
1352 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1353 								VARI_DECIMATE_BUF0,
1354 								VARI_DECIMATE_BUF1,
1355 								VARIDECIMATE_SCB_ADDR,
1356 								write_back_scb,
1357 								SCB_ON_PARENT_SUBLIST_SCB);
1358 	if (!vari_decimate_scb) goto _fail_end;
1359 
1360 	/* create the record mixer SCB */
1361 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1362 							MIX_SAMPLE_BUF2,
1363 							RECORD_MIXER_SCB_ADDR,
1364 							vari_decimate_scb,
1365 							SCB_ON_PARENT_SUBLIST_SCB);
1366 	ins->record_mixer_scb = record_mix_scb;
1367 
1368 	if (!record_mix_scb) goto _fail_end;
1369 
1370 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1371 
1372 	snd_assert (chip->nr_ac97_codecs == 1 || chip->nr_ac97_codecs == 2);
1373 
1374 	if (chip->nr_ac97_codecs == 1) {
1375 		/* output on slot 5 and 11
1376 		   on primary CODEC */
1377 		fifo_addr = 0x20;
1378 		fifo_span = 0x60;
1379 
1380 		/* enable slot 5 and 11 */
1381 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1382 	} else {
1383 		/* output on slot 7 and 8
1384 		   on secondary CODEC */
1385 		fifo_addr = 0x40;
1386 		fifo_span = 0x10;
1387 
1388 		/* enable slot 7 and 8 */
1389 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1390 	}
1391 	/* create CODEC tasklet for rear speakers output*/
1392 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1393 							     REAR_MIXER_SCB_ADDR,
1394 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1395 							     SCB_ON_PARENT_NEXT_SCB);
1396 	if (!rear_codec_out_scb) goto _fail_end;
1397 
1398 
1399 	/* create the rear PCM channel  mixer SCB */
1400 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1401 						      MIX_SAMPLE_BUF3,
1402 						      REAR_MIXER_SCB_ADDR,
1403 						      rear_codec_out_scb,
1404 						      SCB_ON_PARENT_SUBLIST_SCB);
1405 	ins->rear_mix_scb = rear_mix_scb;
1406 	if (!rear_mix_scb) goto _fail_end;
1407 
1408 	if (chip->nr_ac97_codecs == 2) {
1409 		/* create CODEC tasklet for rear Center/LFE output
1410 		   slot 6 and 9 on seconadry CODEC */
1411 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1412 								     CLFE_MIXER_SCB_ADDR,
1413 								     CLFE_CODEC_SCB_ADDR,
1414 								     rear_codec_out_scb,
1415 								     SCB_ON_PARENT_NEXT_SCB);
1416 		if (!clfe_codec_out_scb) goto _fail_end;
1417 
1418 
1419 		/* create the rear PCM channel  mixer SCB */
1420 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1421 									 MIX_SAMPLE_BUF4,
1422 									 CLFE_MIXER_SCB_ADDR,
1423 									 clfe_codec_out_scb,
1424 									 SCB_ON_PARENT_SUBLIST_SCB);
1425 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1426 
1427 		/* enable slot 6 and 9 */
1428 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1429 	} else {
1430 		clfe_codec_out_scb = rear_codec_out_scb;
1431 		ins->center_lfe_mix_scb = rear_mix_scb;
1432 	}
1433 
1434 	/* enable slots depending on CODEC configuration */
1435 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1436 
1437 	/* the magic snooper */
1438 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1439 							     OUTPUT_SNOOP_BUFFER,
1440 							     codec_out_scb,
1441 							     clfe_codec_out_scb,
1442 							     SCB_ON_PARENT_NEXT_SCB);
1443 
1444 
1445 	if (!magic_snoop_scb) goto _fail_end;
1446 	ins->ref_snoop_scb = magic_snoop_scb;
1447 
1448 	/* SP IO access */
1449 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1450 					      magic_snoop_scb,
1451 					      SCB_ON_PARENT_NEXT_SCB))
1452 		goto _fail_end;
1453 
1454 	/* SPDIF input sampel rate converter */
1455 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1456 						      ins->spdif_in_sample_rate,
1457 						      SRC_OUTPUT_BUF1,
1458 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1459 						      master_mix_scb,
1460 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1461 
1462 	if (!src_task_scb) goto _fail_end;
1463 	cs46xx_src_unlink(chip,src_task_scb);
1464 
1465 	/* NOTE: when we now how to detect the SPDIF input
1466 	   sample rate we will use this SRC to adjust it */
1467 	ins->spdif_in_src = src_task_scb;
1468 
1469 	cs46xx_dsp_async_init(chip,timing_master_scb);
1470 	return 0;
1471 
1472  _fail_end:
1473 	snd_printk(KERN_ERR "dsp_spos: failed to setup SCB's in DSP\n");
1474 	return -EINVAL;
1475 }
1476 
1477 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1478 				  struct dsp_scb_descriptor * fg_entry)
1479 {
1480 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1481 	struct dsp_symbol_entry * s16_async_codec_input_task;
1482 	struct dsp_symbol_entry * spdifo_task;
1483 	struct dsp_symbol_entry * spdifi_task;
1484 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1485 
1486 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1487 	if (s16_async_codec_input_task == NULL) {
1488 		snd_printk(KERN_ERR "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1489 		return -EIO;
1490 	}
1491 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1492 	if (spdifo_task == NULL) {
1493 		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFOTASK not found\n");
1494 		return -EIO;
1495 	}
1496 
1497 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1498 	if (spdifi_task == NULL) {
1499 		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFITASK not found\n");
1500 		return -EIO;
1501 	}
1502 
1503 	{
1504 		/* 0xBC0 */
1505 		struct dsp_spdifoscb spdifo_scb = {
1506 			/* 0 */ DSP_SPOS_UUUU,
1507 			{
1508 				/* 1 */ 0xb0,
1509 				/* 2 */ 0,
1510 				/* 3 */ 0,
1511 				/* 4 */ 0,
1512 			},
1513 			/* NOTE: the SPDIF output task read samples in mono
1514 			   format, the AsynchFGTxSCB task writes to buffer
1515 			   in stereo format
1516 			*/
1517 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1518 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1519 			/* 7 */ 0,0,
1520 			/* 8 */ 0,
1521 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1522 			/* A */ spdifo_task->address,
1523 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1524 			{
1525 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1526 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1527 			},
1528 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1529 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1530 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1531 		};
1532 
1533 		/* 0xBB0 */
1534 		struct dsp_spdifiscb spdifi_scb = {
1535 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1536 			/* 1 */ 0,
1537 			/* 2 */ 0,
1538 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1539 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1540 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1541 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1542 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1543 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1544 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1545 			/* A */ spdifi_task->address,
1546 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1547 			/* NOTE: The SPDIF input task write the sample in mono
1548 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1549 			   them in stereo
1550 			*/
1551 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1552 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1553 			/* D */ 0x8048,0,
1554 			/* E */ 0x01f0,0x0001,
1555 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1556 		};
1557 
1558 		/* 0xBA0 */
1559 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1560 			/* 0 */ DSP_SPOS_UUUU,
1561 			/* 1 */ 0,
1562 			/* 2 */ 0,
1563 			/* 3 */ 1,4000,
1564 			/* 4 */ 0x0118,0x0001,
1565 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1566 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1567 			/* 7 */ DSP_SPOS_UU,0x3,
1568 			/* 8 */ DSP_SPOS_UUUU,
1569 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1570 			/* A */ s16_async_codec_input_task->address,
1571 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1572 
1573 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1574 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1575 
1576 #ifdef UseASER1Input
1577 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1578 			   Init. 0000:8042: for ASER1
1579 			   0000:8044: for ASER2 */
1580 			/* D */ 0x8042,0,
1581 
1582 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1583 			   Init 1 stero:8050 ASER1
1584 			   Init 0  mono:8070 ASER2
1585 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1586 			/* E */ 0x0100,0x0001,
1587 
1588 #endif
1589 
1590 #ifdef UseASER2Input
1591 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1592 			   Init. 0000:8042: for ASER1
1593 			   0000:8044: for ASER2 */
1594 			/* D */ 0x8044,0,
1595 
1596 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1597 			   Init 1 stero:8050 ASER1
1598 			   Init 0  mono:8070 ASER2
1599 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1600 			/* E */ 0x0110,0x0001,
1601 
1602 #endif
1603 
1604 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1605 			   AsyncCIOutputBufModulo: The modulo size for
1606 			   the output buffer of this task */
1607 			/* F */ 0, /* DSP_SPOS_UUUU */
1608 		};
1609 
1610 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1611 
1612 		snd_assert(spdifo_scb_desc, return -EIO);
1613 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1614 		snd_assert(spdifi_scb_desc, return -EIO);
1615 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1616 		snd_assert(async_codec_scb_desc, return -EIO);
1617 
1618 		async_codec_scb_desc->parent_scb_ptr = NULL;
1619 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1620 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1621 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1622 
1623 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1624 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1625 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1626 		spdifi_scb_desc->task_entry = spdifi_task;
1627 
1628 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1629 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1630 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1631 		spdifo_scb_desc->task_entry = spdifo_task;
1632 
1633 		/* this one is faked, as the parnet of SPDIFO task
1634 		   is the FG task tree */
1635 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1636 
1637 		/* for proc fs */
1638 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1639 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1640 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1641 
1642 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1643 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1644 	}
1645 
1646 	return 0;
1647 }
1648 
1649 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1650 {
1651 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1652 
1653 	/* set SPDIF output FIFO slot */
1654 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1655 
1656 	/* SPDIF output MASTER ENABLE */
1657 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1658 
1659 	/* right and left validate bit */
1660 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1661 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1662 
1663 	/* clear fifo pointer */
1664 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1665 
1666 	/* monitor state */
1667 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1668 }
1669 
1670 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1671 {
1672 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1673 
1674 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1675 	cs46xx_dsp_disable_spdif_hw (chip);
1676 	udelay(50);
1677 
1678 	/* set SPDIF output FIFO slot */
1679 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1680 
1681 	/* SPDIF output MASTER ENABLE */
1682 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1683 
1684 	/* right and left validate bit */
1685 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1686 
1687 	/* monitor state */
1688 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1689 
1690 	return 0;
1691 }
1692 
1693 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1694 {
1695 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1696 
1697 	/* turn on amplifier */
1698 	chip->active_ctrl(chip, 1);
1699 	chip->amplifier_ctrl(chip, 1);
1700 
1701 	snd_assert (ins->asynch_rx_scb == NULL,return -EINVAL);
1702 	snd_assert (ins->spdif_in_src != NULL,return -EINVAL);
1703 
1704 	mutex_lock(&chip->spos_mutex);
1705 
1706 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1707 		/* time countdown enable */
1708 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1709 		/* NOTE: 80000005 value is just magic. With all values
1710 		   that I've tested this one seem to give the best result.
1711 		   Got no explication why. (Benny) */
1712 
1713 		/* SPDIF input MASTER ENABLE */
1714 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1715 
1716 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1717 	}
1718 
1719 	/* create and start the asynchronous receiver SCB */
1720 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1721 								ASYNCRX_SCB_ADDR,
1722 								SPDIFI_SCB_INST,
1723 								SPDIFI_IP_OUTPUT_BUFFER1,
1724 								ins->spdif_in_src,
1725 								SCB_ON_PARENT_SUBLIST_SCB);
1726 
1727 	spin_lock_irq(&chip->reg_lock);
1728 
1729 	/* reset SPDIF input sample buffer pointer */
1730 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1731 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1732 
1733 	/* reset FIFO ptr */
1734 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1735 	cs46xx_src_link(chip,ins->spdif_in_src);
1736 
1737 	/* unmute SRC volume */
1738 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1739 
1740 	spin_unlock_irq(&chip->reg_lock);
1741 
1742 	/* set SPDIF input sample rate and unmute
1743 	   NOTE: only 48khz support for SPDIF input this time */
1744 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1745 
1746 	/* monitor state */
1747 	ins->spdif_status_in = 1;
1748 	mutex_unlock(&chip->spos_mutex);
1749 
1750 	return 0;
1751 }
1752 
1753 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1754 {
1755 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1756 
1757 	snd_assert (ins->asynch_rx_scb != NULL, return -EINVAL);
1758 	snd_assert (ins->spdif_in_src != NULL,return -EINVAL);
1759 
1760 	mutex_lock(&chip->spos_mutex);
1761 
1762 	/* Remove the asynchronous receiver SCB */
1763 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1764 	ins->asynch_rx_scb = NULL;
1765 
1766 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1767 
1768 	/* monitor state */
1769 	ins->spdif_status_in = 0;
1770 	mutex_unlock(&chip->spos_mutex);
1771 
1772 	/* restore amplifier */
1773 	chip->active_ctrl(chip, -1);
1774 	chip->amplifier_ctrl(chip, -1);
1775 
1776 	return 0;
1777 }
1778 
1779 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1780 {
1781 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1782 
1783 	snd_assert (ins->pcm_input == NULL,return -EINVAL);
1784 	snd_assert (ins->ref_snoop_scb != NULL,return -EINVAL);
1785 
1786 	mutex_lock(&chip->spos_mutex);
1787 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1788                                                   "PCMSerialInput_Wave");
1789 	mutex_unlock(&chip->spos_mutex);
1790 
1791 	return 0;
1792 }
1793 
1794 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1795 {
1796 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1797 
1798 	snd_assert (ins->pcm_input != NULL,return -EINVAL);
1799 
1800 	mutex_lock(&chip->spos_mutex);
1801 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1802 	ins->pcm_input = NULL;
1803 	mutex_unlock(&chip->spos_mutex);
1804 
1805 	return 0;
1806 }
1807 
1808 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1809 {
1810 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1811 
1812 	snd_assert (ins->adc_input == NULL,return -EINVAL);
1813 	snd_assert (ins->codec_in_scb != NULL,return -EINVAL);
1814 
1815 	mutex_lock(&chip->spos_mutex);
1816 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1817 						  "PCMSerialInput_ADC");
1818 	mutex_unlock(&chip->spos_mutex);
1819 
1820 	return 0;
1821 }
1822 
1823 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1824 {
1825 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1826 
1827 	snd_assert (ins->adc_input != NULL,return -EINVAL);
1828 
1829 	mutex_lock(&chip->spos_mutex);
1830 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1831 	ins->adc_input = NULL;
1832 	mutex_unlock(&chip->spos_mutex);
1833 
1834 	return 0;
1835 }
1836 
1837 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1838 {
1839 	u32 temp;
1840 	int  i;
1841 
1842 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1843 	   a rough guess from looking at the controller spec.) */
1844 	if (address < 0x8000 || address >= 0x9000)
1845 		return -EINVAL;
1846 
1847 	/* initialize the SP_IO_WRITE SCB with the data. */
1848 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1849 
1850 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1851 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1852 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1853 
1854 	/* Poke this location to tell the task to start */
1855 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1856 
1857 	/* Verify that the task ran */
1858 	for (i=0; i<25; i++) {
1859 		udelay(125);
1860 
1861 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1862 		if (temp == 0x00000000)
1863 			break;
1864 	}
1865 
1866 	if (i == 25) {
1867 		snd_printk(KERN_ERR "dsp_spos: SPIOWriteTask not responding\n");
1868 		return -EBUSY;
1869 	}
1870 
1871 	return 0;
1872 }
1873 
1874 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1875 {
1876 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1877 	struct dsp_scb_descriptor * scb;
1878 
1879 	mutex_lock(&chip->spos_mutex);
1880 
1881 	/* main output */
1882 	scb = ins->master_mix_scb->sub_list_ptr;
1883 	while (scb != ins->the_null_scb) {
1884 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1885 		scb = scb->next_scb_ptr;
1886 	}
1887 
1888 	/* rear output */
1889 	scb = ins->rear_mix_scb->sub_list_ptr;
1890 	while (scb != ins->the_null_scb) {
1891 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1892 		scb = scb->next_scb_ptr;
1893 	}
1894 
1895 	ins->dac_volume_left = left;
1896 	ins->dac_volume_right = right;
1897 
1898 	mutex_unlock(&chip->spos_mutex);
1899 
1900 	return 0;
1901 }
1902 
1903 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1904 {
1905 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1906 
1907 	mutex_lock(&chip->spos_mutex);
1908 
1909 	if (ins->asynch_rx_scb != NULL)
1910 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1911 					   left,right);
1912 
1913 	ins->spdif_input_volume_left = left;
1914 	ins->spdif_input_volume_right = right;
1915 
1916 	mutex_unlock(&chip->spos_mutex);
1917 
1918 	return 0;
1919 }
1920 
1921 #ifdef CONFIG_PM
1922 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1923 {
1924 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1925 	int i, err;
1926 
1927 	/* clear parameter, sample and code areas */
1928 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1929 			     DSP_PARAMETER_BYTE_SIZE);
1930 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1931 			     DSP_SAMPLE_BYTE_SIZE);
1932 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1933 
1934 	for (i = 0; i < ins->nmodules; i++) {
1935 		struct dsp_module_desc *module = &ins->modules[i];
1936 		struct dsp_segment_desc *seg;
1937 		u32 doffset, dsize;
1938 
1939 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1940 		err = dsp_load_parameter(chip, seg);
1941 		if (err < 0)
1942 			return err;
1943 
1944 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1945 		err = dsp_load_sample(chip, seg);
1946 		if (err < 0)
1947 			return err;
1948 
1949 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1950 		if (!seg)
1951 			continue;
1952 
1953 		doffset = seg->offset * 4 + module->load_address * 4
1954 			+ DSP_CODE_BYTE_OFFSET;
1955 		dsize   = seg->size * 4;
1956 		err = snd_cs46xx_download(chip,
1957 					  ins->code.data + module->load_address,
1958 					  doffset, dsize);
1959 		if (err < 0)
1960 			return err;
1961 	}
1962 
1963 	for (i = 0; i < ins->ntask; i++) {
1964 		struct dsp_task_descriptor *t = &ins->tasks[i];
1965 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
1966 	}
1967 
1968 	for (i = 0; i < ins->nscb; i++) {
1969 		struct dsp_scb_descriptor *s = &ins->scbs[i];
1970 		if (s->deleted)
1971 			continue;
1972 		_dsp_create_scb(chip, s->data, s->address);
1973 	}
1974 
1975 	return 0;
1976 }
1977 #endif
1978