xref: /openbmc/linux/sound/pci/cs46xx/dsp_spos.c (revision 96de0e252cedffad61b3cb5e05662c591898e69a)
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 <sound/driver.h>
24 #include <asm/io.h>
25 #include <linux/delay.h>
26 #include <linux/pm.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/vmalloc.h>
30 #include <linux/mutex.h>
31 
32 #include <sound/core.h>
33 #include <sound/control.h>
34 #include <sound/info.h>
35 #include <sound/asoundef.h>
36 #include <sound/cs46xx.h>
37 
38 #include "cs46xx_lib.h"
39 #include "dsp_spos.h"
40 
41 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
42 				  struct dsp_scb_descriptor * fg_entry);
43 
44 static enum wide_opcode wide_opcodes[] = {
45 	WIDE_FOR_BEGIN_LOOP,
46 	WIDE_FOR_BEGIN_LOOP2,
47 	WIDE_COND_GOTO_ADDR,
48 	WIDE_COND_GOTO_CALL,
49 	WIDE_TBEQ_COND_GOTO_ADDR,
50 	WIDE_TBEQ_COND_CALL_ADDR,
51 	WIDE_TBEQ_NCOND_GOTO_ADDR,
52 	WIDE_TBEQ_NCOND_CALL_ADDR,
53 	WIDE_TBEQ_COND_GOTO1_ADDR,
54 	WIDE_TBEQ_COND_CALL1_ADDR,
55 	WIDE_TBEQ_NCOND_GOTOI_ADDR,
56 	WIDE_TBEQ_NCOND_CALL1_ADDR
57 };
58 
59 static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
60 				       u32 overlay_begin_address)
61 {
62 	unsigned int i = 0, j, nreallocated = 0;
63 	u32 hival,loval,address;
64 	u32 mop_operands,mop_type,wide_op;
65 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
66 
67 	snd_assert( ((size % 2) == 0), 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 						snd_printdd("handle_wideop[1]: %05x:%05x addr %04x\n",hival,loval,address);
89 
90 						if ( !(address & 0x8000) ) {
91 							address += (ins->code.offset / 2) - overlay_begin_address;
92 						} else {
93 							snd_printdd("handle_wideop[1]: ROM symbol not reallocated\n");
94 						}
95 
96 						hival &= 0xFF000;
97 						loval &= 0x07FFF;
98 
99 						hival |= ( (address >> 5)  & 0x00FFF);
100 						loval |= ( (address << 15) & 0xF8000);
101 
102 						address  = (hival & 0x00FFF) << 5;
103 						address |=  loval >> 15;
104 
105 						snd_printdd("handle_wideop:[2] %05x:%05x addr %04x\n",hival,loval,address);
106 						nreallocated ++;
107 					} /* wide_opcodes[j] == wide_op */
108 				} /* for */
109 			} /* mod_type == 0 ... */
110 		} /* ins->code.offset > 0 */
111 
112 		ins->code.data[ins->code.size++] = loval;
113 		ins->code.data[ins->code.size++] = hival;
114 	}
115 
116 	snd_printdd("dsp_spos: %d instructions reallocated\n",nreallocated);
117 	return nreallocated;
118 }
119 
120 static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
121 {
122 	int i;
123 	for (i = 0;i < module->nsegments; ++i) {
124 		if (module->segments[i].segment_type == seg_type) {
125 			return (module->segments + i);
126 		}
127 	}
128 
129 	return NULL;
130 };
131 
132 static int find_free_symbol_index (struct dsp_spos_instance * ins)
133 {
134 	int index = ins->symbol_table.nsymbols,i;
135 
136 	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
137 		if (ins->symbol_table.symbols[i].deleted) {
138 			index = i;
139 			break;
140 		}
141 	}
142 
143 	return index;
144 }
145 
146 static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
147 {
148 	int i;
149 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
150 
151 	if (module->symbol_table.nsymbols > 0) {
152 		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
153 		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
154 			module->overlay_begin_address = module->symbol_table.symbols[0].address;
155 		}
156 	}
157 
158 	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
159 		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
160 			snd_printk(KERN_ERR "dsp_spos: symbol table is full\n");
161 			return -ENOMEM;
162 		}
163 
164 
165 		if (cs46xx_dsp_lookup_symbol(chip,
166 					     module->symbol_table.symbols[i].symbol_name,
167 					     module->symbol_table.symbols[i].symbol_type) == NULL) {
168 
169 			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
170 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
171 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
172 			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
173 
174 			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
175 				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
176 
177 			ins->symbol_table.nsymbols++;
178 		} else {
179           /* if (0) printk ("dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
180                              module->symbol_table.symbols[i].symbol_name); */
181 		}
182 	}
183 
184 	return 0;
185 }
186 
187 static struct dsp_symbol_entry *
188 add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
189 {
190 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
191 	struct dsp_symbol_entry * symbol = NULL;
192 	int index;
193 
194 	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
195 		snd_printk(KERN_ERR "dsp_spos: symbol table is full\n");
196 		return NULL;
197 	}
198 
199 	if (cs46xx_dsp_lookup_symbol(chip,
200 				     symbol_name,
201 				     type) != NULL) {
202 		snd_printk(KERN_ERR "dsp_spos: symbol <%s> duplicated\n", symbol_name);
203 		return NULL;
204 	}
205 
206 	index = find_free_symbol_index (ins);
207 
208 	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
209 	ins->symbol_table.symbols[index].address = address;
210 	ins->symbol_table.symbols[index].symbol_type = type;
211 	ins->symbol_table.symbols[index].module = NULL;
212 	ins->symbol_table.symbols[index].deleted = 0;
213 	symbol = (ins->symbol_table.symbols + index);
214 
215 	if (index > ins->symbol_table.highest_frag_index)
216 		ins->symbol_table.highest_frag_index = index;
217 
218 	if (index == ins->symbol_table.nsymbols)
219 		ins->symbol_table.nsymbols++; /* no frag. in list */
220 
221 	return symbol;
222 }
223 
224 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
225 {
226 	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
227 
228 	if (ins == NULL)
229 		return NULL;
230 
231 	/* better to use vmalloc for this big table */
232 	ins->symbol_table.nsymbols = 0;
233 	ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
234 					    DSP_MAX_SYMBOLS);
235 	ins->symbol_table.highest_frag_index = 0;
236 
237 	if (ins->symbol_table.symbols == NULL) {
238 		cs46xx_dsp_spos_destroy(chip);
239 		goto error;
240 	}
241 
242 	ins->code.offset = 0;
243 	ins->code.size = 0;
244 	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
245 
246 	if (ins->code.data == NULL) {
247 		cs46xx_dsp_spos_destroy(chip);
248 		goto error;
249 	}
250 
251 	ins->nscb = 0;
252 	ins->ntask = 0;
253 
254 	ins->nmodules = 0;
255 	ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
256 
257 	if (ins->modules == NULL) {
258 		cs46xx_dsp_spos_destroy(chip);
259 		goto error;
260 	}
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);
285 	return NULL;
286 }
287 
288 void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
289 {
290 	int i;
291 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
292 
293 	snd_assert(ins != NULL, return);
294 
295 	mutex_lock(&chip->spos_mutex);
296 	for (i = 0; i < ins->nscb; ++i) {
297 		if (ins->scbs[i].deleted) continue;
298 
299 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
300 	}
301 
302 	kfree(ins->code.data);
303 	vfree(ins->symbol_table.symbols);
304 	kfree(ins->modules);
305 	kfree(ins);
306 	mutex_unlock(&chip->spos_mutex);
307 }
308 
309 static int dsp_load_parameter(struct snd_cs46xx *chip,
310 			      struct dsp_segment_desc *parameter)
311 {
312 	u32 doffset, dsize;
313 
314 	if (!parameter) {
315 		snd_printdd("dsp_spos: module got no parameter segment\n");
316 		return 0;
317 	}
318 
319 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
320 	dsize   = parameter->size * 4;
321 
322 	snd_printdd("dsp_spos: "
323 		    "downloading parameter data to chip (%08x-%08x)\n",
324 		    doffset,doffset + dsize);
325 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
326 		snd_printk(KERN_ERR "dsp_spos: "
327 			   "failed to download parameter data to DSP\n");
328 		return -EINVAL;
329 	}
330 	return 0;
331 }
332 
333 static int dsp_load_sample(struct snd_cs46xx *chip,
334 			   struct dsp_segment_desc *sample)
335 {
336 	u32 doffset, dsize;
337 
338 	if (!sample) {
339 		snd_printdd("dsp_spos: module got no sample segment\n");
340 		return 0;
341 	}
342 
343 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
344 	dsize   =  sample->size * 4;
345 
346 	snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
347 		    doffset,doffset + dsize);
348 
349 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
350 		snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
351 		return -EINVAL;
352 	}
353 	return 0;
354 }
355 
356 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
357 {
358 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
359 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
360 	u32 doffset, dsize;
361 	int err;
362 
363 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
364 		snd_printk(KERN_ERR "dsp_spos: to many modules loaded into DSP\n");
365 		return -ENOMEM;
366 	}
367 
368 	snd_printdd("dsp_spos: loading module %s into DSP\n", module->module_name);
369 
370 	if (ins->nmodules == 0) {
371 		snd_printdd("dsp_spos: clearing parameter area\n");
372 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
373 	}
374 
375 	err = dsp_load_parameter(chip, get_segment_desc(module,
376 							SEGTYPE_SP_PARAMETER));
377 	if (err < 0)
378 		return err;
379 
380 	if (ins->nmodules == 0) {
381 		snd_printdd("dsp_spos: clearing sample area\n");
382 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
383 	}
384 
385 	err = dsp_load_sample(chip, get_segment_desc(module,
386 						     SEGTYPE_SP_SAMPLE));
387 	if (err < 0)
388 		return err;
389 
390 	if (ins->nmodules == 0) {
391 		snd_printdd("dsp_spos: clearing code area\n");
392 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
393 	}
394 
395 	if (code == NULL) {
396 		snd_printdd("dsp_spos: module got no code segment\n");
397 	} else {
398 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
399 			snd_printk(KERN_ERR "dsp_spos: no space available in DSP\n");
400 			return -ENOMEM;
401 		}
402 
403 		module->load_address = ins->code.offset;
404 		module->overlay_begin_address = 0x000;
405 
406 		/* if module has a code segment it must have
407 		   symbol table */
408 		snd_assert(module->symbol_table.symbols != NULL ,return -ENOMEM);
409 		if (add_symbols(chip,module)) {
410 			snd_printk(KERN_ERR "dsp_spos: failed to load symbol table\n");
411 			return -ENOMEM;
412 		}
413 
414 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
415 		dsize   = code->size * 4;
416 		snd_printdd("dsp_spos: downloading code to chip (%08x-%08x)\n",
417 			    doffset,doffset + dsize);
418 
419 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
420 
421 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
422 			snd_printk(KERN_ERR "dsp_spos: failed to download code to DSP\n");
423 			return -EINVAL;
424 		}
425 
426 		ins->code.offset += code->size;
427 	}
428 
429 	/* NOTE: module segments and symbol table must be
430 	   statically allocated. Case that module data is
431 	   not generated by the ospparser */
432 	ins->modules[ins->nmodules] = *module;
433 	ins->nmodules++;
434 
435 	return 0;
436 }
437 
438 struct dsp_symbol_entry *
439 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
440 {
441 	int i;
442 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
443 
444 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
445 
446 		if (ins->symbol_table.symbols[i].deleted)
447 			continue;
448 
449 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
450 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
451 			return (ins->symbol_table.symbols + i);
452 		}
453 	}
454 
455 #if 0
456 	printk ("dsp_spos: symbol <%s> type %02x not found\n",
457 		symbol_name,symbol_type);
458 #endif
459 
460 	return NULL;
461 }
462 
463 
464 #ifdef CONFIG_PROC_FS
465 static struct dsp_symbol_entry *
466 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
467 {
468 	int i;
469 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
470 
471 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
472 
473 		if (ins->symbol_table.symbols[i].deleted)
474 			continue;
475 
476 		if (ins->symbol_table.symbols[i].address == address &&
477 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
478 			return (ins->symbol_table.symbols + i);
479 		}
480 	}
481 
482 
483 	return NULL;
484 }
485 
486 
487 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
488 					       struct snd_info_buffer *buffer)
489 {
490 	struct snd_cs46xx *chip = entry->private_data;
491 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
492 	int i;
493 
494 	snd_iprintf(buffer, "SYMBOLS:\n");
495 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
496 		char *module_str = "system";
497 
498 		if (ins->symbol_table.symbols[i].deleted)
499 			continue;
500 
501 		if (ins->symbol_table.symbols[i].module != NULL) {
502 			module_str = ins->symbol_table.symbols[i].module->module_name;
503 		}
504 
505 
506 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
507 			    ins->symbol_table.symbols[i].address,
508 			    ins->symbol_table.symbols[i].symbol_type,
509 			    ins->symbol_table.symbols[i].symbol_name,
510 			    module_str);
511 	}
512 }
513 
514 
515 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
516 					  struct snd_info_buffer *buffer)
517 {
518 	struct snd_cs46xx *chip = entry->private_data;
519 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
520 	int i,j;
521 
522 	mutex_lock(&chip->spos_mutex);
523 	snd_iprintf(buffer, "MODULES:\n");
524 	for ( i = 0; i < ins->nmodules; ++i ) {
525 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
526 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
527 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
528 
529 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
530 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
531 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
532 				    desc->segment_type,desc->offset, desc->size);
533 		}
534 	}
535 	mutex_unlock(&chip->spos_mutex);
536 }
537 
538 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
539 					    struct snd_info_buffer *buffer)
540 {
541 	struct snd_cs46xx *chip = entry->private_data;
542 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
543 	int i, j, col;
544 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
545 
546 	mutex_lock(&chip->spos_mutex);
547 	snd_iprintf(buffer, "TASK TREES:\n");
548 	for ( i = 0; i < ins->ntask; ++i) {
549 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
550 
551 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
552 			u32 val;
553 			if (col == 4) {
554 				snd_iprintf(buffer,"\n");
555 				col = 0;
556 			}
557 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
558 			snd_iprintf(buffer,"%08x ",val);
559 		}
560 	}
561 
562 	snd_iprintf(buffer,"\n");
563 	mutex_unlock(&chip->spos_mutex);
564 }
565 
566 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
567 				      struct snd_info_buffer *buffer)
568 {
569 	struct snd_cs46xx *chip = entry->private_data;
570 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
571 	int i;
572 
573 	mutex_lock(&chip->spos_mutex);
574 	snd_iprintf(buffer, "SCB's:\n");
575 	for ( i = 0; i < ins->nscb; ++i) {
576 		if (ins->scbs[i].deleted)
577 			continue;
578 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
579 
580 		if (ins->scbs[i].parent_scb_ptr != NULL) {
581 			snd_iprintf(buffer,"parent [%s:%04x] ",
582 				    ins->scbs[i].parent_scb_ptr->scb_name,
583 				    ins->scbs[i].parent_scb_ptr->address);
584 		} else snd_iprintf(buffer,"parent [none] ");
585 
586 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
587 			    ins->scbs[i].sub_list_ptr->scb_name,
588 			    ins->scbs[i].sub_list_ptr->address,
589 			    ins->scbs[i].next_scb_ptr->scb_name,
590 			    ins->scbs[i].next_scb_ptr->address,
591 			    ins->scbs[i].task_entry->symbol_name,
592 			    ins->scbs[i].task_entry->address);
593 	}
594 
595 	snd_iprintf(buffer,"\n");
596 	mutex_unlock(&chip->spos_mutex);
597 }
598 
599 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
600 						 struct snd_info_buffer *buffer)
601 {
602 	struct snd_cs46xx *chip = entry->private_data;
603 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
604 	unsigned int i, col = 0;
605 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
606 	struct dsp_symbol_entry * symbol;
607 
608 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
609 		if (col == 4) {
610 			snd_iprintf(buffer,"\n");
611 			col = 0;
612 		}
613 
614 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
615 			col = 0;
616 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
617 		}
618 
619 		if (col == 0) {
620 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
621 		}
622 
623 		snd_iprintf(buffer,"%08X ",readl(dst + i));
624 	}
625 }
626 
627 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
628 					      struct snd_info_buffer *buffer)
629 {
630 	struct snd_cs46xx *chip = entry->private_data;
631 	int i,col = 0;
632 	void __iomem *dst = chip->region.idx[2].remap_addr;
633 
634 	snd_iprintf(buffer,"PCMREADER:\n");
635 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
636 		if (col == 4) {
637 			snd_iprintf(buffer,"\n");
638 			col = 0;
639 		}
640 
641 		if (col == 0) {
642 			snd_iprintf(buffer, "%04X ",i);
643 		}
644 
645 		snd_iprintf(buffer,"%08X ",readl(dst + i));
646 	}
647 
648 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
649 
650 	col = 0;
651 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
652 		if (col == 4) {
653 			snd_iprintf(buffer,"\n");
654 			col = 0;
655 		}
656 
657 		if (col == 0) {
658 			snd_iprintf(buffer, "%04X ",i);
659 		}
660 
661 		snd_iprintf(buffer,"%08X ",readl(dst + i));
662 	}
663 
664 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
665 	col = 0;
666 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
667 		if (col == 4) {
668 			snd_iprintf(buffer,"\n");
669 			col = 0;
670 		}
671 
672 		if (col == 0) {
673 			snd_iprintf(buffer, "%04X ",i);
674 		}
675 
676 		snd_iprintf(buffer,"%08X ",readl(dst + i));
677 	}
678 
679 
680 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
681 	col = 0;
682 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
683 		if (col == 4) {
684 			snd_iprintf(buffer,"\n");
685 			col = 0;
686 		}
687 
688 		if (col == 0) {
689 			snd_iprintf(buffer, "%04X ",i);
690 		}
691 
692 		snd_iprintf(buffer,"%08X ",readl(dst + i));
693 	}
694 
695 	snd_iprintf(buffer,"\n...\n");
696 	col = 0;
697 
698 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
699 		if (col == 4) {
700 			snd_iprintf(buffer,"\n");
701 			col = 0;
702 		}
703 
704 		if (col == 0) {
705 			snd_iprintf(buffer, "%04X ",i);
706 		}
707 
708 		snd_iprintf(buffer,"%08X ",readl(dst + i));
709 	}
710 
711 
712 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
713 	col = 0;
714 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
715 		if (col == 4) {
716 			snd_iprintf(buffer,"\n");
717 			col = 0;
718 		}
719 
720 		if (col == 0) {
721 			snd_iprintf(buffer, "%04X ",i);
722 		}
723 
724 		snd_iprintf(buffer,"%08X ",readl(dst + i));
725 	}
726 
727 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
728 	col = 0;
729 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
730 		if (col == 4) {
731 			snd_iprintf(buffer,"\n");
732 			col = 0;
733 		}
734 
735 		if (col == 0) {
736 			snd_iprintf(buffer, "%04X ",i);
737 		}
738 
739 		snd_iprintf(buffer,"%08X ",readl(dst + i));
740 	}
741 #if 0
742 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
743 	col = 0;
744 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
745 		if (col == 4) {
746 			snd_iprintf(buffer,"\n");
747 			col = 0;
748 		}
749 
750 		if (col == 0) {
751 			snd_iprintf(buffer, "%04X ",i);
752 		}
753 
754 		snd_iprintf(buffer,"%08X ",readl(dst + i));
755 	}
756 #endif
757 
758 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
759 	col = 0;
760 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
761 		if (col == 4) {
762 			snd_iprintf(buffer,"\n");
763 			col = 0;
764 		}
765 
766 		if (col == 0) {
767 			snd_iprintf(buffer, "%04X ",i);
768 		}
769 
770 		snd_iprintf(buffer,"%08X ",readl(dst + i));
771 	}
772 	snd_iprintf(buffer,"\n");
773 }
774 
775 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
776 {
777 	struct snd_info_entry *entry;
778 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
779 	int i;
780 
781 	ins->snd_card = card;
782 
783 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
784 		entry->content = SNDRV_INFO_CONTENT_TEXT;
785 		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
786 
787 		if (snd_info_register(entry) < 0) {
788 			snd_info_free_entry(entry);
789 			entry = NULL;
790 		}
791 	}
792 
793 	ins->proc_dsp_dir = entry;
794 
795 	if (!ins->proc_dsp_dir)
796 		return -ENOMEM;
797 
798 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
799 		entry->content = SNDRV_INFO_CONTENT_TEXT;
800 		entry->private_data = chip;
801 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
802 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
803 		if (snd_info_register(entry) < 0) {
804 			snd_info_free_entry(entry);
805 			entry = NULL;
806 		}
807 	}
808 	ins->proc_sym_info_entry = entry;
809 
810 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
811 		entry->content = SNDRV_INFO_CONTENT_TEXT;
812 		entry->private_data = chip;
813 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
814 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
815 		if (snd_info_register(entry) < 0) {
816 			snd_info_free_entry(entry);
817 			entry = NULL;
818 		}
819 	}
820 	ins->proc_modules_info_entry = entry;
821 
822 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
823 		entry->content = SNDRV_INFO_CONTENT_TEXT;
824 		entry->private_data = chip;
825 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
826 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
827 		if (snd_info_register(entry) < 0) {
828 			snd_info_free_entry(entry);
829 			entry = NULL;
830 		}
831 	}
832 	ins->proc_parameter_dump_info_entry = entry;
833 
834 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
835 		entry->content = SNDRV_INFO_CONTENT_TEXT;
836 		entry->private_data = chip;
837 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
838 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
839 		if (snd_info_register(entry) < 0) {
840 			snd_info_free_entry(entry);
841 			entry = NULL;
842 		}
843 	}
844 	ins->proc_sample_dump_info_entry = entry;
845 
846 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
847 		entry->content = SNDRV_INFO_CONTENT_TEXT;
848 		entry->private_data = chip;
849 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
850 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
851 		if (snd_info_register(entry) < 0) {
852 			snd_info_free_entry(entry);
853 			entry = NULL;
854 		}
855 	}
856 	ins->proc_task_info_entry = entry;
857 
858 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
859 		entry->content = SNDRV_INFO_CONTENT_TEXT;
860 		entry->private_data = chip;
861 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
862 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
863 		if (snd_info_register(entry) < 0) {
864 			snd_info_free_entry(entry);
865 			entry = NULL;
866 		}
867 	}
868 	ins->proc_scb_info_entry = entry;
869 
870 	mutex_lock(&chip->spos_mutex);
871 	/* register/update SCB's entries on proc */
872 	for (i = 0; i < ins->nscb; ++i) {
873 		if (ins->scbs[i].deleted) continue;
874 
875 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
876 	}
877 	mutex_unlock(&chip->spos_mutex);
878 
879 	return 0;
880 }
881 
882 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
883 {
884 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
885 	int i;
886 
887 	snd_info_free_entry(ins->proc_sym_info_entry);
888 	ins->proc_sym_info_entry = NULL;
889 
890 	snd_info_free_entry(ins->proc_modules_info_entry);
891 	ins->proc_modules_info_entry = NULL;
892 
893 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
894 	ins->proc_parameter_dump_info_entry = NULL;
895 
896 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
897 	ins->proc_sample_dump_info_entry = NULL;
898 
899 	snd_info_free_entry(ins->proc_scb_info_entry);
900 	ins->proc_scb_info_entry = NULL;
901 
902 	snd_info_free_entry(ins->proc_task_info_entry);
903 	ins->proc_task_info_entry = NULL;
904 
905 	mutex_lock(&chip->spos_mutex);
906 	for (i = 0; i < ins->nscb; ++i) {
907 		if (ins->scbs[i].deleted) continue;
908 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
909 	}
910 	mutex_unlock(&chip->spos_mutex);
911 
912 	snd_info_free_entry(ins->proc_dsp_dir);
913 	ins->proc_dsp_dir = NULL;
914 
915 	return 0;
916 }
917 #endif /* CONFIG_PROC_FS */
918 
919 static int debug_tree;
920 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
921 				   u32  dest, int size)
922 {
923 	void __iomem *spdst = chip->region.idx[1].remap_addr +
924 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
925 	int i;
926 
927 	for (i = 0; i < size; ++i) {
928 		if (debug_tree) printk ("addr %p, val %08x\n",spdst,task_data[i]);
929 		writel(task_data[i],spdst);
930 		spdst += sizeof(u32);
931 	}
932 }
933 
934 static int debug_scb;
935 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
936 {
937 	void __iomem *spdst = chip->region.idx[1].remap_addr +
938 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
939 	int i;
940 
941 	for (i = 0; i < 0x10; ++i) {
942 		if (debug_scb) printk ("addr %p, val %08x\n",spdst,scb_data[i]);
943 		writel(scb_data[i],spdst);
944 		spdst += sizeof(u32);
945 	}
946 }
947 
948 static int find_free_scb_index (struct dsp_spos_instance * ins)
949 {
950 	int index = ins->nscb, i;
951 
952 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
953 		if (ins->scbs[i].deleted) {
954 			index = i;
955 			break;
956 		}
957 	}
958 
959 	return index;
960 }
961 
962 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
963 {
964 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
965 	struct dsp_scb_descriptor * desc = NULL;
966 	int index;
967 
968 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
969 		snd_printk(KERN_ERR "dsp_spos: got no place for other SCB\n");
970 		return NULL;
971 	}
972 
973 	index = find_free_scb_index (ins);
974 
975 	strcpy(ins->scbs[index].scb_name, name);
976 	ins->scbs[index].address = dest;
977 	ins->scbs[index].index = index;
978 	ins->scbs[index].proc_info = NULL;
979 	ins->scbs[index].ref_count = 1;
980 	ins->scbs[index].deleted = 0;
981 	spin_lock_init(&ins->scbs[index].lock);
982 
983 	desc = (ins->scbs + index);
984 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
985 
986 	if (index > ins->scb_highest_frag_index)
987 		ins->scb_highest_frag_index = index;
988 
989 	if (index == ins->nscb)
990 		ins->nscb++;
991 
992 	return desc;
993 }
994 
995 static struct dsp_task_descriptor *
996 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
997 {
998 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
999 	struct dsp_task_descriptor * desc = NULL;
1000 
1001 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1002 		snd_printk(KERN_ERR "dsp_spos: got no place for other TASK\n");
1003 		return NULL;
1004 	}
1005 
1006 	if (name)
1007 		strcpy(ins->tasks[ins->ntask].task_name, name);
1008 	else
1009 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1010 	ins->tasks[ins->ntask].address = dest;
1011 	ins->tasks[ins->ntask].size = size;
1012 
1013 	/* quick find in list */
1014 	ins->tasks[ins->ntask].index = ins->ntask;
1015 	desc = (ins->tasks + ins->ntask);
1016 	ins->ntask++;
1017 
1018 	if (name)
1019 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1020 	return desc;
1021 }
1022 
1023 struct dsp_scb_descriptor *
1024 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1025 {
1026 	struct dsp_scb_descriptor * desc;
1027 
1028 	desc = _map_scb (chip,name,dest);
1029 	if (desc) {
1030 		desc->data = scb_data;
1031 		_dsp_create_scb(chip,scb_data,dest);
1032 	} else {
1033 		snd_printk(KERN_ERR "dsp_spos: failed to map SCB\n");
1034 	}
1035 
1036 	return desc;
1037 }
1038 
1039 
1040 static struct dsp_task_descriptor *
1041 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1042 			     u32 dest, int size)
1043 {
1044 	struct dsp_task_descriptor * desc;
1045 
1046 	desc = _map_task_tree (chip,name,dest,size);
1047 	if (desc) {
1048 		desc->data = task_data;
1049 		_dsp_create_task_tree(chip,task_data,dest,size);
1050 	} else {
1051 		snd_printk(KERN_ERR "dsp_spos: failed to map TASK\n");
1052 	}
1053 
1054 	return desc;
1055 }
1056 
1057 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1058 {
1059 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1060 	struct dsp_symbol_entry * fg_task_tree_header_code;
1061 	struct dsp_symbol_entry * task_tree_header_code;
1062 	struct dsp_symbol_entry * task_tree_thread;
1063 	struct dsp_symbol_entry * null_algorithm;
1064 	struct dsp_symbol_entry * magic_snoop_task;
1065 
1066 	struct dsp_scb_descriptor * timing_master_scb;
1067 	struct dsp_scb_descriptor * codec_out_scb;
1068 	struct dsp_scb_descriptor * codec_in_scb;
1069 	struct dsp_scb_descriptor * src_task_scb;
1070 	struct dsp_scb_descriptor * master_mix_scb;
1071 	struct dsp_scb_descriptor * rear_mix_scb;
1072 	struct dsp_scb_descriptor * record_mix_scb;
1073 	struct dsp_scb_descriptor * write_back_scb;
1074 	struct dsp_scb_descriptor * vari_decimate_scb;
1075 	struct dsp_scb_descriptor * rear_codec_out_scb;
1076 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1077 	struct dsp_scb_descriptor * magic_snoop_scb;
1078 
1079 	int fifo_addr, fifo_span, valid_slots;
1080 
1081 	static struct dsp_spos_control_block sposcb = {
1082 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1083 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1084 		/* 2 */ DSP_SPOS_DC,0,
1085 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1086 		/* 4 */ 0,0,
1087 		/* 5 */ DSP_SPOS_UU,0,
1088 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1089 		/* 7 */ 0,0,
1090 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1091 		/* 9 */ 0,
1092 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1093 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1094 		/* C */ DSP_SPOS_DC_DC,
1095 		/* D */ DSP_SPOS_DC_DC,
1096 		/* E */ DSP_SPOS_DC_DC,
1097 		/* F */ DSP_SPOS_DC_DC
1098 	};
1099 
1100 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1101 
1102 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1103 	if (null_algorithm == NULL) {
1104 		snd_printk(KERN_ERR "dsp_spos: symbol NULLALGORITHM not found\n");
1105 		return -EIO;
1106 	}
1107 
1108 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1109 	if (fg_task_tree_header_code == NULL) {
1110 		snd_printk(KERN_ERR "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1111 		return -EIO;
1112 	}
1113 
1114 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1115 	if (task_tree_header_code == NULL) {
1116 		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1117 		return -EIO;
1118 	}
1119 
1120 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1121 	if (task_tree_thread == NULL) {
1122 		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREETHREAD not found\n");
1123 		return -EIO;
1124 	}
1125 
1126 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1127 	if (magic_snoop_task == NULL) {
1128 		snd_printk(KERN_ERR "dsp_spos: symbol MAGICSNOOPTASK not found\n");
1129 		return -EIO;
1130 	}
1131 
1132 	{
1133 		/* create the null SCB */
1134 		static struct dsp_generic_scb null_scb = {
1135 			{ 0, 0, 0, 0 },
1136 			{ 0, 0, 0, 0, 0 },
1137 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1138 			0, 0, 0, 0, 0,
1139 			{
1140 				0,0,
1141 				0,0,
1142 			}
1143 		};
1144 
1145 		null_scb.entry_point = null_algorithm->address;
1146 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1147 		ins->the_null_scb->task_entry = null_algorithm;
1148 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1149 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1150 		ins->the_null_scb->parent_scb_ptr = NULL;
1151 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1152 	}
1153 
1154 	{
1155 		/* setup foreground task tree */
1156 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1157 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1158 			  DSP_SPOS_DC_DC,
1159 			  DSP_SPOS_DC_DC,
1160 			  0x0000,DSP_SPOS_DC,
1161 			  DSP_SPOS_DC, DSP_SPOS_DC,
1162 			  DSP_SPOS_DC_DC,
1163 			  DSP_SPOS_DC_DC,
1164 			  DSP_SPOS_DC_DC,
1165 			  DSP_SPOS_DC,DSP_SPOS_DC },
1166 
1167 			{
1168 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1169 				0,
1170 				FG_TASK_HEADER_ADDR + TCBData,
1171 			},
1172 
1173 			{
1174 				4,0,
1175 				1,0,
1176 				2,SPOSCB_ADDR + HFGFlags,
1177 				0,0,
1178 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1179 			},
1180 
1181 			{
1182 				DSP_SPOS_DC,0,
1183 				DSP_SPOS_DC,DSP_SPOS_DC,
1184 				DSP_SPOS_DC,DSP_SPOS_DC,
1185 				DSP_SPOS_DC,DSP_SPOS_DC,
1186 				DSP_SPOS_DC,DSP_SPOS_DC,
1187 				DSP_SPOS_DCDC,
1188 				DSP_SPOS_UU,1,
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 				DSP_SPOS_DCDC
1217 			},
1218 			{
1219 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1220 				0,0
1221 			}
1222 		};
1223 
1224 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1225 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1226 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1227 	}
1228 
1229 
1230 	{
1231 		/* setup foreground task tree */
1232 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1233 			{ DSP_SPOS_DC_DC,
1234 			  DSP_SPOS_DC_DC,
1235 			  DSP_SPOS_DC_DC,
1236 			  DSP_SPOS_DC, DSP_SPOS_DC,
1237 			  DSP_SPOS_DC, DSP_SPOS_DC,
1238 			  DSP_SPOS_DC_DC,
1239 			  DSP_SPOS_DC_DC,
1240 			  DSP_SPOS_DC_DC,
1241 			  DSP_SPOS_DC,DSP_SPOS_DC },
1242 
1243 			{
1244 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1245 				0,
1246 				BG_TREE_SCB_ADDR + TCBData,
1247 			},
1248 
1249 			{
1250 				9999,0,
1251 				0,1,
1252 				0,SPOSCB_ADDR + HFGFlags,
1253 				0,0,
1254 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1255 			},
1256 
1257 			{
1258 				DSP_SPOS_DC,0,
1259 				DSP_SPOS_DC,DSP_SPOS_DC,
1260 				DSP_SPOS_DC,DSP_SPOS_DC,
1261 				DSP_SPOS_DC,DSP_SPOS_DC,
1262 				DSP_SPOS_DC,DSP_SPOS_DC,
1263 				DSP_SPOS_DCDC,
1264 				DSP_SPOS_UU,1,
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 				DSP_SPOS_DCDC
1293 			},
1294 			{
1295 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1296 				0,0
1297 			}
1298 		};
1299 
1300 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1301 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1302 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1303 	}
1304 
1305 	/* create timing master SCB */
1306 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1307 
1308 	/* create the CODEC output task */
1309 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1310 							MASTERMIX_SCB_ADDR,
1311 							CODECOUT_SCB_ADDR,timing_master_scb,
1312 							SCB_ON_PARENT_SUBLIST_SCB);
1313 
1314 	if (!codec_out_scb) goto _fail_end;
1315 	/* create the master mix SCB */
1316 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1317 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1318 							codec_out_scb,
1319 							SCB_ON_PARENT_SUBLIST_SCB);
1320 	ins->master_mix_scb = master_mix_scb;
1321 
1322 	if (!master_mix_scb) goto _fail_end;
1323 
1324 	/* create codec in */
1325 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1326 						      CODEC_INPUT_BUF1,
1327 						      CODECIN_SCB_ADDR,codec_out_scb,
1328 						      SCB_ON_PARENT_NEXT_SCB);
1329 	if (!codec_in_scb) goto _fail_end;
1330 	ins->codec_in_scb = codec_in_scb;
1331 
1332 	/* create write back scb */
1333 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1334 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1335 							      WRITEBACK_SCB_ADDR,
1336 							      timing_master_scb,
1337 							      SCB_ON_PARENT_NEXT_SCB);
1338 	if (!write_back_scb) goto _fail_end;
1339 
1340 	{
1341 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1342 			0x00020000,
1343 			0x0000ffff
1344 		};
1345 
1346 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1347 						 (u32 *)&mix2_ostream_spb,
1348 						 WRITE_BACK_SPB, 2))
1349 			goto _fail_end;
1350 	}
1351 
1352 	/* input sample converter */
1353 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1354 								VARI_DECIMATE_BUF0,
1355 								VARI_DECIMATE_BUF1,
1356 								VARIDECIMATE_SCB_ADDR,
1357 								write_back_scb,
1358 								SCB_ON_PARENT_SUBLIST_SCB);
1359 	if (!vari_decimate_scb) goto _fail_end;
1360 
1361 	/* create the record mixer SCB */
1362 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1363 							MIX_SAMPLE_BUF2,
1364 							RECORD_MIXER_SCB_ADDR,
1365 							vari_decimate_scb,
1366 							SCB_ON_PARENT_SUBLIST_SCB);
1367 	ins->record_mixer_scb = record_mix_scb;
1368 
1369 	if (!record_mix_scb) goto _fail_end;
1370 
1371 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1372 
1373 	snd_assert (chip->nr_ac97_codecs == 1 || chip->nr_ac97_codecs == 2);
1374 
1375 	if (chip->nr_ac97_codecs == 1) {
1376 		/* output on slot 5 and 11
1377 		   on primary CODEC */
1378 		fifo_addr = 0x20;
1379 		fifo_span = 0x60;
1380 
1381 		/* enable slot 5 and 11 */
1382 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1383 	} else {
1384 		/* output on slot 7 and 8
1385 		   on secondary CODEC */
1386 		fifo_addr = 0x40;
1387 		fifo_span = 0x10;
1388 
1389 		/* enable slot 7 and 8 */
1390 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1391 	}
1392 	/* create CODEC tasklet for rear speakers output*/
1393 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1394 							     REAR_MIXER_SCB_ADDR,
1395 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1396 							     SCB_ON_PARENT_NEXT_SCB);
1397 	if (!rear_codec_out_scb) goto _fail_end;
1398 
1399 
1400 	/* create the rear PCM channel  mixer SCB */
1401 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1402 						      MIX_SAMPLE_BUF3,
1403 						      REAR_MIXER_SCB_ADDR,
1404 						      rear_codec_out_scb,
1405 						      SCB_ON_PARENT_SUBLIST_SCB);
1406 	ins->rear_mix_scb = rear_mix_scb;
1407 	if (!rear_mix_scb) goto _fail_end;
1408 
1409 	if (chip->nr_ac97_codecs == 2) {
1410 		/* create CODEC tasklet for rear Center/LFE output
1411 		   slot 6 and 9 on seconadry CODEC */
1412 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1413 								     CLFE_MIXER_SCB_ADDR,
1414 								     CLFE_CODEC_SCB_ADDR,
1415 								     rear_codec_out_scb,
1416 								     SCB_ON_PARENT_NEXT_SCB);
1417 		if (!clfe_codec_out_scb) goto _fail_end;
1418 
1419 
1420 		/* create the rear PCM channel  mixer SCB */
1421 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1422 									 MIX_SAMPLE_BUF4,
1423 									 CLFE_MIXER_SCB_ADDR,
1424 									 clfe_codec_out_scb,
1425 									 SCB_ON_PARENT_SUBLIST_SCB);
1426 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1427 
1428 		/* enable slot 6 and 9 */
1429 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1430 	} else {
1431 		clfe_codec_out_scb = rear_codec_out_scb;
1432 		ins->center_lfe_mix_scb = rear_mix_scb;
1433 	}
1434 
1435 	/* enable slots depending on CODEC configuration */
1436 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1437 
1438 	/* the magic snooper */
1439 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1440 							     OUTPUT_SNOOP_BUFFER,
1441 							     codec_out_scb,
1442 							     clfe_codec_out_scb,
1443 							     SCB_ON_PARENT_NEXT_SCB);
1444 
1445 
1446 	if (!magic_snoop_scb) goto _fail_end;
1447 	ins->ref_snoop_scb = magic_snoop_scb;
1448 
1449 	/* SP IO access */
1450 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1451 					      magic_snoop_scb,
1452 					      SCB_ON_PARENT_NEXT_SCB))
1453 		goto _fail_end;
1454 
1455 	/* SPDIF input sampel rate converter */
1456 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1457 						      ins->spdif_in_sample_rate,
1458 						      SRC_OUTPUT_BUF1,
1459 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1460 						      master_mix_scb,
1461 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1462 
1463 	if (!src_task_scb) goto _fail_end;
1464 	cs46xx_src_unlink(chip,src_task_scb);
1465 
1466 	/* NOTE: when we now how to detect the SPDIF input
1467 	   sample rate we will use this SRC to adjust it */
1468 	ins->spdif_in_src = src_task_scb;
1469 
1470 	cs46xx_dsp_async_init(chip,timing_master_scb);
1471 	return 0;
1472 
1473  _fail_end:
1474 	snd_printk(KERN_ERR "dsp_spos: failed to setup SCB's in DSP\n");
1475 	return -EINVAL;
1476 }
1477 
1478 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1479 				  struct dsp_scb_descriptor * fg_entry)
1480 {
1481 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1482 	struct dsp_symbol_entry * s16_async_codec_input_task;
1483 	struct dsp_symbol_entry * spdifo_task;
1484 	struct dsp_symbol_entry * spdifi_task;
1485 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1486 
1487 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1488 	if (s16_async_codec_input_task == NULL) {
1489 		snd_printk(KERN_ERR "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1490 		return -EIO;
1491 	}
1492 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1493 	if (spdifo_task == NULL) {
1494 		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFOTASK not found\n");
1495 		return -EIO;
1496 	}
1497 
1498 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1499 	if (spdifi_task == NULL) {
1500 		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFITASK not found\n");
1501 		return -EIO;
1502 	}
1503 
1504 	{
1505 		/* 0xBC0 */
1506 		struct dsp_spdifoscb spdifo_scb = {
1507 			/* 0 */ DSP_SPOS_UUUU,
1508 			{
1509 				/* 1 */ 0xb0,
1510 				/* 2 */ 0,
1511 				/* 3 */ 0,
1512 				/* 4 */ 0,
1513 			},
1514 			/* NOTE: the SPDIF output task read samples in mono
1515 			   format, the AsynchFGTxSCB task writes to buffer
1516 			   in stereo format
1517 			*/
1518 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1519 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1520 			/* 7 */ 0,0,
1521 			/* 8 */ 0,
1522 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1523 			/* A */ spdifo_task->address,
1524 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1525 			{
1526 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1527 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1528 			},
1529 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1530 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1531 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1532 		};
1533 
1534 		/* 0xBB0 */
1535 		struct dsp_spdifiscb spdifi_scb = {
1536 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1537 			/* 1 */ 0,
1538 			/* 2 */ 0,
1539 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1540 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1541 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1542 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1543 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1544 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1545 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1546 			/* A */ spdifi_task->address,
1547 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1548 			/* NOTE: The SPDIF input task write the sample in mono
1549 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1550 			   them in stereo
1551 			*/
1552 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1553 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1554 			/* D */ 0x8048,0,
1555 			/* E */ 0x01f0,0x0001,
1556 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1557 		};
1558 
1559 		/* 0xBA0 */
1560 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1561 			/* 0 */ DSP_SPOS_UUUU,
1562 			/* 1 */ 0,
1563 			/* 2 */ 0,
1564 			/* 3 */ 1,4000,
1565 			/* 4 */ 0x0118,0x0001,
1566 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1567 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1568 			/* 7 */ DSP_SPOS_UU,0x3,
1569 			/* 8 */ DSP_SPOS_UUUU,
1570 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1571 			/* A */ s16_async_codec_input_task->address,
1572 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1573 
1574 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1575 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1576 
1577 #ifdef UseASER1Input
1578 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1579 			   Init. 0000:8042: for ASER1
1580 			   0000:8044: for ASER2 */
1581 			/* D */ 0x8042,0,
1582 
1583 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1584 			   Init 1 stero:8050 ASER1
1585 			   Init 0  mono:8070 ASER2
1586 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1587 			/* E */ 0x0100,0x0001,
1588 
1589 #endif
1590 
1591 #ifdef UseASER2Input
1592 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1593 			   Init. 0000:8042: for ASER1
1594 			   0000:8044: for ASER2 */
1595 			/* D */ 0x8044,0,
1596 
1597 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1598 			   Init 1 stero:8050 ASER1
1599 			   Init 0  mono:8070 ASER2
1600 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1601 			/* E */ 0x0110,0x0001,
1602 
1603 #endif
1604 
1605 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1606 			   AsyncCIOutputBufModulo: The modulo size for
1607 			   the output buffer of this task */
1608 			/* F */ 0, /* DSP_SPOS_UUUU */
1609 		};
1610 
1611 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1612 
1613 		snd_assert(spdifo_scb_desc, return -EIO);
1614 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1615 		snd_assert(spdifi_scb_desc, return -EIO);
1616 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1617 		snd_assert(async_codec_scb_desc, return -EIO);
1618 
1619 		async_codec_scb_desc->parent_scb_ptr = NULL;
1620 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1621 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1622 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1623 
1624 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1625 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1626 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1627 		spdifi_scb_desc->task_entry = spdifi_task;
1628 
1629 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1630 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1631 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1632 		spdifo_scb_desc->task_entry = spdifo_task;
1633 
1634 		/* this one is faked, as the parnet of SPDIFO task
1635 		   is the FG task tree */
1636 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1637 
1638 		/* for proc fs */
1639 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1640 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1641 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1642 
1643 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1644 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1645 	}
1646 
1647 	return 0;
1648 }
1649 
1650 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1651 {
1652 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1653 
1654 	/* set SPDIF output FIFO slot */
1655 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1656 
1657 	/* SPDIF output MASTER ENABLE */
1658 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1659 
1660 	/* right and left validate bit */
1661 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1662 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1663 
1664 	/* clear fifo pointer */
1665 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1666 
1667 	/* monitor state */
1668 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1669 }
1670 
1671 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1672 {
1673 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1674 
1675 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1676 	cs46xx_dsp_disable_spdif_hw (chip);
1677 	udelay(50);
1678 
1679 	/* set SPDIF output FIFO slot */
1680 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1681 
1682 	/* SPDIF output MASTER ENABLE */
1683 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1684 
1685 	/* right and left validate bit */
1686 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1687 
1688 	/* monitor state */
1689 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1690 
1691 	return 0;
1692 }
1693 
1694 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1695 {
1696 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1697 
1698 	/* turn on amplifier */
1699 	chip->active_ctrl(chip, 1);
1700 	chip->amplifier_ctrl(chip, 1);
1701 
1702 	snd_assert (ins->asynch_rx_scb == NULL,return -EINVAL);
1703 	snd_assert (ins->spdif_in_src != NULL,return -EINVAL);
1704 
1705 	mutex_lock(&chip->spos_mutex);
1706 
1707 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1708 		/* time countdown enable */
1709 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1710 		/* NOTE: 80000005 value is just magic. With all values
1711 		   that I've tested this one seem to give the best result.
1712 		   Got no explication why. (Benny) */
1713 
1714 		/* SPDIF input MASTER ENABLE */
1715 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1716 
1717 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1718 	}
1719 
1720 	/* create and start the asynchronous receiver SCB */
1721 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1722 								ASYNCRX_SCB_ADDR,
1723 								SPDIFI_SCB_INST,
1724 								SPDIFI_IP_OUTPUT_BUFFER1,
1725 								ins->spdif_in_src,
1726 								SCB_ON_PARENT_SUBLIST_SCB);
1727 
1728 	spin_lock_irq(&chip->reg_lock);
1729 
1730 	/* reset SPDIF input sample buffer pointer */
1731 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1732 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1733 
1734 	/* reset FIFO ptr */
1735 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1736 	cs46xx_src_link(chip,ins->spdif_in_src);
1737 
1738 	/* unmute SRC volume */
1739 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1740 
1741 	spin_unlock_irq(&chip->reg_lock);
1742 
1743 	/* set SPDIF input sample rate and unmute
1744 	   NOTE: only 48khz support for SPDIF input this time */
1745 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1746 
1747 	/* monitor state */
1748 	ins->spdif_status_in = 1;
1749 	mutex_unlock(&chip->spos_mutex);
1750 
1751 	return 0;
1752 }
1753 
1754 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1755 {
1756 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1757 
1758 	snd_assert (ins->asynch_rx_scb != NULL, return -EINVAL);
1759 	snd_assert (ins->spdif_in_src != NULL,return -EINVAL);
1760 
1761 	mutex_lock(&chip->spos_mutex);
1762 
1763 	/* Remove the asynchronous receiver SCB */
1764 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1765 	ins->asynch_rx_scb = NULL;
1766 
1767 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1768 
1769 	/* monitor state */
1770 	ins->spdif_status_in = 0;
1771 	mutex_unlock(&chip->spos_mutex);
1772 
1773 	/* restore amplifier */
1774 	chip->active_ctrl(chip, -1);
1775 	chip->amplifier_ctrl(chip, -1);
1776 
1777 	return 0;
1778 }
1779 
1780 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1781 {
1782 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1783 
1784 	snd_assert (ins->pcm_input == NULL,return -EINVAL);
1785 	snd_assert (ins->ref_snoop_scb != NULL,return -EINVAL);
1786 
1787 	mutex_lock(&chip->spos_mutex);
1788 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1789                                                   "PCMSerialInput_Wave");
1790 	mutex_unlock(&chip->spos_mutex);
1791 
1792 	return 0;
1793 }
1794 
1795 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1796 {
1797 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1798 
1799 	snd_assert (ins->pcm_input != NULL,return -EINVAL);
1800 
1801 	mutex_lock(&chip->spos_mutex);
1802 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1803 	ins->pcm_input = NULL;
1804 	mutex_unlock(&chip->spos_mutex);
1805 
1806 	return 0;
1807 }
1808 
1809 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1810 {
1811 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1812 
1813 	snd_assert (ins->adc_input == NULL,return -EINVAL);
1814 	snd_assert (ins->codec_in_scb != NULL,return -EINVAL);
1815 
1816 	mutex_lock(&chip->spos_mutex);
1817 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1818 						  "PCMSerialInput_ADC");
1819 	mutex_unlock(&chip->spos_mutex);
1820 
1821 	return 0;
1822 }
1823 
1824 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1825 {
1826 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1827 
1828 	snd_assert (ins->adc_input != NULL,return -EINVAL);
1829 
1830 	mutex_lock(&chip->spos_mutex);
1831 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1832 	ins->adc_input = NULL;
1833 	mutex_unlock(&chip->spos_mutex);
1834 
1835 	return 0;
1836 }
1837 
1838 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1839 {
1840 	u32 temp;
1841 	int  i;
1842 
1843 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1844 	   a rough guess from looking at the controller spec.) */
1845 	if (address < 0x8000 || address >= 0x9000)
1846 		return -EINVAL;
1847 
1848 	/* initialize the SP_IO_WRITE SCB with the data. */
1849 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1850 
1851 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1852 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1853 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1854 
1855 	/* Poke this location to tell the task to start */
1856 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1857 
1858 	/* Verify that the task ran */
1859 	for (i=0; i<25; i++) {
1860 		udelay(125);
1861 
1862 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1863 		if (temp == 0x00000000)
1864 			break;
1865 	}
1866 
1867 	if (i == 25) {
1868 		snd_printk(KERN_ERR "dsp_spos: SPIOWriteTask not responding\n");
1869 		return -EBUSY;
1870 	}
1871 
1872 	return 0;
1873 }
1874 
1875 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1876 {
1877 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1878 	struct dsp_scb_descriptor * scb;
1879 
1880 	mutex_lock(&chip->spos_mutex);
1881 
1882 	/* main output */
1883 	scb = ins->master_mix_scb->sub_list_ptr;
1884 	while (scb != ins->the_null_scb) {
1885 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1886 		scb = scb->next_scb_ptr;
1887 	}
1888 
1889 	/* rear output */
1890 	scb = ins->rear_mix_scb->sub_list_ptr;
1891 	while (scb != ins->the_null_scb) {
1892 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1893 		scb = scb->next_scb_ptr;
1894 	}
1895 
1896 	ins->dac_volume_left = left;
1897 	ins->dac_volume_right = right;
1898 
1899 	mutex_unlock(&chip->spos_mutex);
1900 
1901 	return 0;
1902 }
1903 
1904 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1905 {
1906 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1907 
1908 	mutex_lock(&chip->spos_mutex);
1909 
1910 	if (ins->asynch_rx_scb != NULL)
1911 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1912 					   left,right);
1913 
1914 	ins->spdif_input_volume_left = left;
1915 	ins->spdif_input_volume_right = right;
1916 
1917 	mutex_unlock(&chip->spos_mutex);
1918 
1919 	return 0;
1920 }
1921 
1922 #ifdef CONFIG_PM
1923 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1924 {
1925 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1926 	int i, err;
1927 
1928 	/* clear parameter, sample and code areas */
1929 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1930 			     DSP_PARAMETER_BYTE_SIZE);
1931 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1932 			     DSP_SAMPLE_BYTE_SIZE);
1933 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1934 
1935 	for (i = 0; i < ins->nmodules; i++) {
1936 		struct dsp_module_desc *module = &ins->modules[i];
1937 		struct dsp_segment_desc *seg;
1938 		u32 doffset, dsize;
1939 
1940 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1941 		err = dsp_load_parameter(chip, seg);
1942 		if (err < 0)
1943 			return err;
1944 
1945 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1946 		err = dsp_load_sample(chip, seg);
1947 		if (err < 0)
1948 			return err;
1949 
1950 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1951 		if (!seg)
1952 			continue;
1953 
1954 		doffset = seg->offset * 4 + module->load_address * 4
1955 			+ DSP_CODE_BYTE_OFFSET;
1956 		dsize   = seg->size * 4;
1957 		err = snd_cs46xx_download(chip,
1958 					  ins->code.data + module->load_address,
1959 					  doffset, dsize);
1960 		if (err < 0)
1961 			return err;
1962 	}
1963 
1964 	for (i = 0; i < ins->ntask; i++) {
1965 		struct dsp_task_descriptor *t = &ins->tasks[i];
1966 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
1967 	}
1968 
1969 	for (i = 0; i < ins->nscb; i++) {
1970 		struct dsp_scb_descriptor *s = &ins->scbs[i];
1971 		if (s->deleted)
1972 			continue;
1973 		_dsp_create_scb(chip, s->data, s->address);
1974 	}
1975 
1976 	return 0;
1977 }
1978 #endif
1979