xref: /linux/sound/pci/cs46xx/dsp_spos.c (revision d39d0ed196aa1685bb24771e92f78633c66ac9cb)
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 	if (snd_BUG_ON(size %2))
67 		return -EINVAL;
68 
69 	while (i < size) {
70 		loval = data[i++];
71 		hival = data[i++];
72 
73 		if (ins->code.offset > 0) {
74 			mop_operands = (hival >> 6) & 0x03fff;
75 			mop_type = mop_operands >> 10;
76 
77 			/* check for wide type instruction */
78 			if (mop_type == 0 &&
79 			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
80 			    (mop_operands & WIDE_INSTR_MASK) != 0) {
81 				wide_op = loval & 0x7f;
82 				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
83 					if (wide_opcodes[j] == wide_op) {
84 						/* need to reallocate instruction */
85 						address  = (hival & 0x00FFF) << 5;
86 						address |=  loval >> 15;
87 
88 						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 	if (snd_BUG_ON(!ins))
294 		return;
295 
296 	mutex_lock(&chip->spos_mutex);
297 	for (i = 0; i < ins->nscb; ++i) {
298 		if (ins->scbs[i].deleted) continue;
299 
300 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
301 #ifdef CONFIG_PM
302 		kfree(ins->scbs[i].data);
303 #endif
304 	}
305 
306 	kfree(ins->code.data);
307 	vfree(ins->symbol_table.symbols);
308 	kfree(ins->modules);
309 	kfree(ins);
310 	mutex_unlock(&chip->spos_mutex);
311 }
312 
313 static int dsp_load_parameter(struct snd_cs46xx *chip,
314 			      struct dsp_segment_desc *parameter)
315 {
316 	u32 doffset, dsize;
317 
318 	if (!parameter) {
319 		snd_printdd("dsp_spos: module got no parameter segment\n");
320 		return 0;
321 	}
322 
323 	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
324 	dsize   = parameter->size * 4;
325 
326 	snd_printdd("dsp_spos: "
327 		    "downloading parameter data to chip (%08x-%08x)\n",
328 		    doffset,doffset + dsize);
329 	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
330 		snd_printk(KERN_ERR "dsp_spos: "
331 			   "failed to download parameter data to DSP\n");
332 		return -EINVAL;
333 	}
334 	return 0;
335 }
336 
337 static int dsp_load_sample(struct snd_cs46xx *chip,
338 			   struct dsp_segment_desc *sample)
339 {
340 	u32 doffset, dsize;
341 
342 	if (!sample) {
343 		snd_printdd("dsp_spos: module got no sample segment\n");
344 		return 0;
345 	}
346 
347 	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
348 	dsize   =  sample->size * 4;
349 
350 	snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
351 		    doffset,doffset + dsize);
352 
353 	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
354 		snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
355 		return -EINVAL;
356 	}
357 	return 0;
358 }
359 
360 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
361 {
362 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
363 	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
364 	u32 doffset, dsize;
365 	int err;
366 
367 	if (ins->nmodules == DSP_MAX_MODULES - 1) {
368 		snd_printk(KERN_ERR "dsp_spos: to many modules loaded into DSP\n");
369 		return -ENOMEM;
370 	}
371 
372 	snd_printdd("dsp_spos: loading module %s into DSP\n", module->module_name);
373 
374 	if (ins->nmodules == 0) {
375 		snd_printdd("dsp_spos: clearing parameter area\n");
376 		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
377 	}
378 
379 	err = dsp_load_parameter(chip, get_segment_desc(module,
380 							SEGTYPE_SP_PARAMETER));
381 	if (err < 0)
382 		return err;
383 
384 	if (ins->nmodules == 0) {
385 		snd_printdd("dsp_spos: clearing sample area\n");
386 		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
387 	}
388 
389 	err = dsp_load_sample(chip, get_segment_desc(module,
390 						     SEGTYPE_SP_SAMPLE));
391 	if (err < 0)
392 		return err;
393 
394 	if (ins->nmodules == 0) {
395 		snd_printdd("dsp_spos: clearing code area\n");
396 		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
397 	}
398 
399 	if (code == NULL) {
400 		snd_printdd("dsp_spos: module got no code segment\n");
401 	} else {
402 		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
403 			snd_printk(KERN_ERR "dsp_spos: no space available in DSP\n");
404 			return -ENOMEM;
405 		}
406 
407 		module->load_address = ins->code.offset;
408 		module->overlay_begin_address = 0x000;
409 
410 		/* if module has a code segment it must have
411 		   symbol table */
412 		if (snd_BUG_ON(!module->symbol_table.symbols))
413 			return -ENOMEM;
414 		if (add_symbols(chip,module)) {
415 			snd_printk(KERN_ERR "dsp_spos: failed to load symbol table\n");
416 			return -ENOMEM;
417 		}
418 
419 		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
420 		dsize   = code->size * 4;
421 		snd_printdd("dsp_spos: downloading code to chip (%08x-%08x)\n",
422 			    doffset,doffset + dsize);
423 
424 		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
425 
426 		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
427 			snd_printk(KERN_ERR "dsp_spos: failed to download code to DSP\n");
428 			return -EINVAL;
429 		}
430 
431 		ins->code.offset += code->size;
432 	}
433 
434 	/* NOTE: module segments and symbol table must be
435 	   statically allocated. Case that module data is
436 	   not generated by the ospparser */
437 	ins->modules[ins->nmodules] = *module;
438 	ins->nmodules++;
439 
440 	return 0;
441 }
442 
443 struct dsp_symbol_entry *
444 cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
445 {
446 	int i;
447 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
448 
449 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
450 
451 		if (ins->symbol_table.symbols[i].deleted)
452 			continue;
453 
454 		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
455 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
456 			return (ins->symbol_table.symbols + i);
457 		}
458 	}
459 
460 #if 0
461 	printk ("dsp_spos: symbol <%s> type %02x not found\n",
462 		symbol_name,symbol_type);
463 #endif
464 
465 	return NULL;
466 }
467 
468 
469 #ifdef CONFIG_PROC_FS
470 static struct dsp_symbol_entry *
471 cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
472 {
473 	int i;
474 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
475 
476 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
477 
478 		if (ins->symbol_table.symbols[i].deleted)
479 			continue;
480 
481 		if (ins->symbol_table.symbols[i].address == address &&
482 		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
483 			return (ins->symbol_table.symbols + i);
484 		}
485 	}
486 
487 
488 	return NULL;
489 }
490 
491 
492 static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
493 					       struct snd_info_buffer *buffer)
494 {
495 	struct snd_cs46xx *chip = entry->private_data;
496 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
497 	int i;
498 
499 	snd_iprintf(buffer, "SYMBOLS:\n");
500 	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
501 		char *module_str = "system";
502 
503 		if (ins->symbol_table.symbols[i].deleted)
504 			continue;
505 
506 		if (ins->symbol_table.symbols[i].module != NULL) {
507 			module_str = ins->symbol_table.symbols[i].module->module_name;
508 		}
509 
510 
511 		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
512 			    ins->symbol_table.symbols[i].address,
513 			    ins->symbol_table.symbols[i].symbol_type,
514 			    ins->symbol_table.symbols[i].symbol_name,
515 			    module_str);
516 	}
517 }
518 
519 
520 static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
521 					  struct snd_info_buffer *buffer)
522 {
523 	struct snd_cs46xx *chip = entry->private_data;
524 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
525 	int i,j;
526 
527 	mutex_lock(&chip->spos_mutex);
528 	snd_iprintf(buffer, "MODULES:\n");
529 	for ( i = 0; i < ins->nmodules; ++i ) {
530 		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
531 		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
532 		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
533 
534 		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
535 			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
536 			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
537 				    desc->segment_type,desc->offset, desc->size);
538 		}
539 	}
540 	mutex_unlock(&chip->spos_mutex);
541 }
542 
543 static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
544 					    struct snd_info_buffer *buffer)
545 {
546 	struct snd_cs46xx *chip = entry->private_data;
547 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
548 	int i, j, col;
549 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
550 
551 	mutex_lock(&chip->spos_mutex);
552 	snd_iprintf(buffer, "TASK TREES:\n");
553 	for ( i = 0; i < ins->ntask; ++i) {
554 		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
555 
556 		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
557 			u32 val;
558 			if (col == 4) {
559 				snd_iprintf(buffer,"\n");
560 				col = 0;
561 			}
562 			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
563 			snd_iprintf(buffer,"%08x ",val);
564 		}
565 	}
566 
567 	snd_iprintf(buffer,"\n");
568 	mutex_unlock(&chip->spos_mutex);
569 }
570 
571 static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
572 				      struct snd_info_buffer *buffer)
573 {
574 	struct snd_cs46xx *chip = entry->private_data;
575 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
576 	int i;
577 
578 	mutex_lock(&chip->spos_mutex);
579 	snd_iprintf(buffer, "SCB's:\n");
580 	for ( i = 0; i < ins->nscb; ++i) {
581 		if (ins->scbs[i].deleted)
582 			continue;
583 		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
584 
585 		if (ins->scbs[i].parent_scb_ptr != NULL) {
586 			snd_iprintf(buffer,"parent [%s:%04x] ",
587 				    ins->scbs[i].parent_scb_ptr->scb_name,
588 				    ins->scbs[i].parent_scb_ptr->address);
589 		} else snd_iprintf(buffer,"parent [none] ");
590 
591 		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
592 			    ins->scbs[i].sub_list_ptr->scb_name,
593 			    ins->scbs[i].sub_list_ptr->address,
594 			    ins->scbs[i].next_scb_ptr->scb_name,
595 			    ins->scbs[i].next_scb_ptr->address,
596 			    ins->scbs[i].task_entry->symbol_name,
597 			    ins->scbs[i].task_entry->address);
598 	}
599 
600 	snd_iprintf(buffer,"\n");
601 	mutex_unlock(&chip->spos_mutex);
602 }
603 
604 static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
605 						 struct snd_info_buffer *buffer)
606 {
607 	struct snd_cs46xx *chip = entry->private_data;
608 	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
609 	unsigned int i, col = 0;
610 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
611 	struct dsp_symbol_entry * symbol;
612 
613 	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
614 		if (col == 4) {
615 			snd_iprintf(buffer,"\n");
616 			col = 0;
617 		}
618 
619 		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
620 			col = 0;
621 			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
622 		}
623 
624 		if (col == 0) {
625 			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
626 		}
627 
628 		snd_iprintf(buffer,"%08X ",readl(dst + i));
629 	}
630 }
631 
632 static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
633 					      struct snd_info_buffer *buffer)
634 {
635 	struct snd_cs46xx *chip = entry->private_data;
636 	int i,col = 0;
637 	void __iomem *dst = chip->region.idx[2].remap_addr;
638 
639 	snd_iprintf(buffer,"PCMREADER:\n");
640 	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
641 		if (col == 4) {
642 			snd_iprintf(buffer,"\n");
643 			col = 0;
644 		}
645 
646 		if (col == 0) {
647 			snd_iprintf(buffer, "%04X ",i);
648 		}
649 
650 		snd_iprintf(buffer,"%08X ",readl(dst + i));
651 	}
652 
653 	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
654 
655 	col = 0;
656 	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
657 		if (col == 4) {
658 			snd_iprintf(buffer,"\n");
659 			col = 0;
660 		}
661 
662 		if (col == 0) {
663 			snd_iprintf(buffer, "%04X ",i);
664 		}
665 
666 		snd_iprintf(buffer,"%08X ",readl(dst + i));
667 	}
668 
669 	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
670 	col = 0;
671 	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
672 		if (col == 4) {
673 			snd_iprintf(buffer,"\n");
674 			col = 0;
675 		}
676 
677 		if (col == 0) {
678 			snd_iprintf(buffer, "%04X ",i);
679 		}
680 
681 		snd_iprintf(buffer,"%08X ",readl(dst + i));
682 	}
683 
684 
685 	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
686 	col = 0;
687 	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
688 		if (col == 4) {
689 			snd_iprintf(buffer,"\n");
690 			col = 0;
691 		}
692 
693 		if (col == 0) {
694 			snd_iprintf(buffer, "%04X ",i);
695 		}
696 
697 		snd_iprintf(buffer,"%08X ",readl(dst + i));
698 	}
699 
700 	snd_iprintf(buffer,"\n...\n");
701 	col = 0;
702 
703 	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
704 		if (col == 4) {
705 			snd_iprintf(buffer,"\n");
706 			col = 0;
707 		}
708 
709 		if (col == 0) {
710 			snd_iprintf(buffer, "%04X ",i);
711 		}
712 
713 		snd_iprintf(buffer,"%08X ",readl(dst + i));
714 	}
715 
716 
717 	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
718 	col = 0;
719 	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
720 		if (col == 4) {
721 			snd_iprintf(buffer,"\n");
722 			col = 0;
723 		}
724 
725 		if (col == 0) {
726 			snd_iprintf(buffer, "%04X ",i);
727 		}
728 
729 		snd_iprintf(buffer,"%08X ",readl(dst + i));
730 	}
731 
732 	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
733 	col = 0;
734 	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
735 		if (col == 4) {
736 			snd_iprintf(buffer,"\n");
737 			col = 0;
738 		}
739 
740 		if (col == 0) {
741 			snd_iprintf(buffer, "%04X ",i);
742 		}
743 
744 		snd_iprintf(buffer,"%08X ",readl(dst + i));
745 	}
746 #if 0
747 	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
748 	col = 0;
749 	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
750 		if (col == 4) {
751 			snd_iprintf(buffer,"\n");
752 			col = 0;
753 		}
754 
755 		if (col == 0) {
756 			snd_iprintf(buffer, "%04X ",i);
757 		}
758 
759 		snd_iprintf(buffer,"%08X ",readl(dst + i));
760 	}
761 #endif
762 
763 	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
764 	col = 0;
765 	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
766 		if (col == 4) {
767 			snd_iprintf(buffer,"\n");
768 			col = 0;
769 		}
770 
771 		if (col == 0) {
772 			snd_iprintf(buffer, "%04X ",i);
773 		}
774 
775 		snd_iprintf(buffer,"%08X ",readl(dst + i));
776 	}
777 	snd_iprintf(buffer,"\n");
778 }
779 
780 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
781 {
782 	struct snd_info_entry *entry;
783 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
784 	int i;
785 
786 	ins->snd_card = card;
787 
788 	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
789 		entry->content = SNDRV_INFO_CONTENT_TEXT;
790 		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
791 
792 		if (snd_info_register(entry) < 0) {
793 			snd_info_free_entry(entry);
794 			entry = NULL;
795 		}
796 	}
797 
798 	ins->proc_dsp_dir = entry;
799 
800 	if (!ins->proc_dsp_dir)
801 		return -ENOMEM;
802 
803 	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
804 		entry->content = SNDRV_INFO_CONTENT_TEXT;
805 		entry->private_data = chip;
806 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
807 		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
808 		if (snd_info_register(entry) < 0) {
809 			snd_info_free_entry(entry);
810 			entry = NULL;
811 		}
812 	}
813 	ins->proc_sym_info_entry = entry;
814 
815 	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
816 		entry->content = SNDRV_INFO_CONTENT_TEXT;
817 		entry->private_data = chip;
818 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
819 		entry->c.text.read = cs46xx_dsp_proc_modules_read;
820 		if (snd_info_register(entry) < 0) {
821 			snd_info_free_entry(entry);
822 			entry = NULL;
823 		}
824 	}
825 	ins->proc_modules_info_entry = entry;
826 
827 	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
828 		entry->content = SNDRV_INFO_CONTENT_TEXT;
829 		entry->private_data = chip;
830 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
831 		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
832 		if (snd_info_register(entry) < 0) {
833 			snd_info_free_entry(entry);
834 			entry = NULL;
835 		}
836 	}
837 	ins->proc_parameter_dump_info_entry = entry;
838 
839 	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
840 		entry->content = SNDRV_INFO_CONTENT_TEXT;
841 		entry->private_data = chip;
842 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
843 		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
844 		if (snd_info_register(entry) < 0) {
845 			snd_info_free_entry(entry);
846 			entry = NULL;
847 		}
848 	}
849 	ins->proc_sample_dump_info_entry = entry;
850 
851 	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
852 		entry->content = SNDRV_INFO_CONTENT_TEXT;
853 		entry->private_data = chip;
854 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
855 		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
856 		if (snd_info_register(entry) < 0) {
857 			snd_info_free_entry(entry);
858 			entry = NULL;
859 		}
860 	}
861 	ins->proc_task_info_entry = entry;
862 
863 	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
864 		entry->content = SNDRV_INFO_CONTENT_TEXT;
865 		entry->private_data = chip;
866 		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
867 		entry->c.text.read = cs46xx_dsp_proc_scb_read;
868 		if (snd_info_register(entry) < 0) {
869 			snd_info_free_entry(entry);
870 			entry = NULL;
871 		}
872 	}
873 	ins->proc_scb_info_entry = entry;
874 
875 	mutex_lock(&chip->spos_mutex);
876 	/* register/update SCB's entries on proc */
877 	for (i = 0; i < ins->nscb; ++i) {
878 		if (ins->scbs[i].deleted) continue;
879 
880 		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
881 	}
882 	mutex_unlock(&chip->spos_mutex);
883 
884 	return 0;
885 }
886 
887 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
888 {
889 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
890 	int i;
891 
892 	snd_info_free_entry(ins->proc_sym_info_entry);
893 	ins->proc_sym_info_entry = NULL;
894 
895 	snd_info_free_entry(ins->proc_modules_info_entry);
896 	ins->proc_modules_info_entry = NULL;
897 
898 	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
899 	ins->proc_parameter_dump_info_entry = NULL;
900 
901 	snd_info_free_entry(ins->proc_sample_dump_info_entry);
902 	ins->proc_sample_dump_info_entry = NULL;
903 
904 	snd_info_free_entry(ins->proc_scb_info_entry);
905 	ins->proc_scb_info_entry = NULL;
906 
907 	snd_info_free_entry(ins->proc_task_info_entry);
908 	ins->proc_task_info_entry = NULL;
909 
910 	mutex_lock(&chip->spos_mutex);
911 	for (i = 0; i < ins->nscb; ++i) {
912 		if (ins->scbs[i].deleted) continue;
913 		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
914 	}
915 	mutex_unlock(&chip->spos_mutex);
916 
917 	snd_info_free_entry(ins->proc_dsp_dir);
918 	ins->proc_dsp_dir = NULL;
919 
920 	return 0;
921 }
922 #endif /* CONFIG_PROC_FS */
923 
924 static int debug_tree;
925 static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
926 				   u32  dest, int size)
927 {
928 	void __iomem *spdst = chip->region.idx[1].remap_addr +
929 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
930 	int i;
931 
932 	for (i = 0; i < size; ++i) {
933 		if (debug_tree) printk ("addr %p, val %08x\n",spdst,task_data[i]);
934 		writel(task_data[i],spdst);
935 		spdst += sizeof(u32);
936 	}
937 }
938 
939 static int debug_scb;
940 static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
941 {
942 	void __iomem *spdst = chip->region.idx[1].remap_addr +
943 		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
944 	int i;
945 
946 	for (i = 0; i < 0x10; ++i) {
947 		if (debug_scb) printk ("addr %p, val %08x\n",spdst,scb_data[i]);
948 		writel(scb_data[i],spdst);
949 		spdst += sizeof(u32);
950 	}
951 }
952 
953 static int find_free_scb_index (struct dsp_spos_instance * ins)
954 {
955 	int index = ins->nscb, i;
956 
957 	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
958 		if (ins->scbs[i].deleted) {
959 			index = i;
960 			break;
961 		}
962 	}
963 
964 	return index;
965 }
966 
967 static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
968 {
969 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
970 	struct dsp_scb_descriptor * desc = NULL;
971 	int index;
972 
973 	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
974 		snd_printk(KERN_ERR "dsp_spos: got no place for other SCB\n");
975 		return NULL;
976 	}
977 
978 	index = find_free_scb_index (ins);
979 
980 	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
981 	strcpy(ins->scbs[index].scb_name, name);
982 	ins->scbs[index].address = dest;
983 	ins->scbs[index].index = index;
984 	ins->scbs[index].ref_count = 1;
985 
986 	desc = (ins->scbs + index);
987 	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
988 
989 	if (index > ins->scb_highest_frag_index)
990 		ins->scb_highest_frag_index = index;
991 
992 	if (index == ins->nscb)
993 		ins->nscb++;
994 
995 	return desc;
996 }
997 
998 static struct dsp_task_descriptor *
999 _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
1000 {
1001 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1002 	struct dsp_task_descriptor * desc = NULL;
1003 
1004 	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1005 		snd_printk(KERN_ERR "dsp_spos: got no place for other TASK\n");
1006 		return NULL;
1007 	}
1008 
1009 	if (name)
1010 		strcpy(ins->tasks[ins->ntask].task_name, name);
1011 	else
1012 		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1013 	ins->tasks[ins->ntask].address = dest;
1014 	ins->tasks[ins->ntask].size = size;
1015 
1016 	/* quick find in list */
1017 	ins->tasks[ins->ntask].index = ins->ntask;
1018 	desc = (ins->tasks + ins->ntask);
1019 	ins->ntask++;
1020 
1021 	if (name)
1022 		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1023 	return desc;
1024 }
1025 
1026 #define SCB_BYTES	(0x10 * 4)
1027 
1028 struct dsp_scb_descriptor *
1029 cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1030 {
1031 	struct dsp_scb_descriptor * desc;
1032 
1033 #ifdef CONFIG_PM
1034 	/* copy the data for resume */
1035 	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1036 	if (!scb_data)
1037 		return NULL;
1038 #endif
1039 
1040 	desc = _map_scb (chip,name,dest);
1041 	if (desc) {
1042 		desc->data = scb_data;
1043 		_dsp_create_scb(chip,scb_data,dest);
1044 	} else {
1045 		snd_printk(KERN_ERR "dsp_spos: failed to map SCB\n");
1046 #ifdef CONFIG_PM
1047 		kfree(scb_data);
1048 #endif
1049 	}
1050 
1051 	return desc;
1052 }
1053 
1054 
1055 static struct dsp_task_descriptor *
1056 cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1057 			     u32 dest, int size)
1058 {
1059 	struct dsp_task_descriptor * desc;
1060 
1061 	desc = _map_task_tree (chip,name,dest,size);
1062 	if (desc) {
1063 		desc->data = task_data;
1064 		_dsp_create_task_tree(chip,task_data,dest,size);
1065 	} else {
1066 		snd_printk(KERN_ERR "dsp_spos: failed to map TASK\n");
1067 	}
1068 
1069 	return desc;
1070 }
1071 
1072 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1073 {
1074 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1075 	struct dsp_symbol_entry * fg_task_tree_header_code;
1076 	struct dsp_symbol_entry * task_tree_header_code;
1077 	struct dsp_symbol_entry * task_tree_thread;
1078 	struct dsp_symbol_entry * null_algorithm;
1079 	struct dsp_symbol_entry * magic_snoop_task;
1080 
1081 	struct dsp_scb_descriptor * timing_master_scb;
1082 	struct dsp_scb_descriptor * codec_out_scb;
1083 	struct dsp_scb_descriptor * codec_in_scb;
1084 	struct dsp_scb_descriptor * src_task_scb;
1085 	struct dsp_scb_descriptor * master_mix_scb;
1086 	struct dsp_scb_descriptor * rear_mix_scb;
1087 	struct dsp_scb_descriptor * record_mix_scb;
1088 	struct dsp_scb_descriptor * write_back_scb;
1089 	struct dsp_scb_descriptor * vari_decimate_scb;
1090 	struct dsp_scb_descriptor * rear_codec_out_scb;
1091 	struct dsp_scb_descriptor * clfe_codec_out_scb;
1092 	struct dsp_scb_descriptor * magic_snoop_scb;
1093 
1094 	int fifo_addr, fifo_span, valid_slots;
1095 
1096 	static struct dsp_spos_control_block sposcb = {
1097 		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1098 		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1099 		/* 2 */ DSP_SPOS_DC,0,
1100 		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1101 		/* 4 */ 0,0,
1102 		/* 5 */ DSP_SPOS_UU,0,
1103 		/* 6 */ FG_TASK_HEADER_ADDR,0,
1104 		/* 7 */ 0,0,
1105 		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1106 		/* 9 */ 0,
1107 		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1108 		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1109 		/* C */ DSP_SPOS_DC_DC,
1110 		/* D */ DSP_SPOS_DC_DC,
1111 		/* E */ DSP_SPOS_DC_DC,
1112 		/* F */ DSP_SPOS_DC_DC
1113 	};
1114 
1115 	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1116 
1117 	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1118 	if (null_algorithm == NULL) {
1119 		snd_printk(KERN_ERR "dsp_spos: symbol NULLALGORITHM not found\n");
1120 		return -EIO;
1121 	}
1122 
1123 	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1124 	if (fg_task_tree_header_code == NULL) {
1125 		snd_printk(KERN_ERR "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1126 		return -EIO;
1127 	}
1128 
1129 	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1130 	if (task_tree_header_code == NULL) {
1131 		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1132 		return -EIO;
1133 	}
1134 
1135 	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1136 	if (task_tree_thread == NULL) {
1137 		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREETHREAD not found\n");
1138 		return -EIO;
1139 	}
1140 
1141 	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1142 	if (magic_snoop_task == NULL) {
1143 		snd_printk(KERN_ERR "dsp_spos: symbol MAGICSNOOPTASK not found\n");
1144 		return -EIO;
1145 	}
1146 
1147 	{
1148 		/* create the null SCB */
1149 		static struct dsp_generic_scb null_scb = {
1150 			{ 0, 0, 0, 0 },
1151 			{ 0, 0, 0, 0, 0 },
1152 			NULL_SCB_ADDR, NULL_SCB_ADDR,
1153 			0, 0, 0, 0, 0,
1154 			{
1155 				0,0,
1156 				0,0,
1157 			}
1158 		};
1159 
1160 		null_scb.entry_point = null_algorithm->address;
1161 		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1162 		ins->the_null_scb->task_entry = null_algorithm;
1163 		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1164 		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1165 		ins->the_null_scb->parent_scb_ptr = NULL;
1166 		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1167 	}
1168 
1169 	{
1170 		/* setup foreground task tree */
1171 		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1172 			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1173 			  DSP_SPOS_DC_DC,
1174 			  DSP_SPOS_DC_DC,
1175 			  0x0000,DSP_SPOS_DC,
1176 			  DSP_SPOS_DC, DSP_SPOS_DC,
1177 			  DSP_SPOS_DC_DC,
1178 			  DSP_SPOS_DC_DC,
1179 			  DSP_SPOS_DC_DC,
1180 			  DSP_SPOS_DC,DSP_SPOS_DC },
1181 
1182 			{
1183 				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1184 				0,
1185 				FG_TASK_HEADER_ADDR + TCBData,
1186 			},
1187 
1188 			{
1189 				4,0,
1190 				1,0,
1191 				2,SPOSCB_ADDR + HFGFlags,
1192 				0,0,
1193 				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1194 			},
1195 
1196 			{
1197 				DSP_SPOS_DC,0,
1198 				DSP_SPOS_DC,DSP_SPOS_DC,
1199 				DSP_SPOS_DC,DSP_SPOS_DC,
1200 				DSP_SPOS_DC,DSP_SPOS_DC,
1201 				DSP_SPOS_DC,DSP_SPOS_DC,
1202 				DSP_SPOS_DCDC,
1203 				DSP_SPOS_UU,1,
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 				DSP_SPOS_DCDC,
1218 				DSP_SPOS_DCDC,
1219 				DSP_SPOS_DCDC,
1220 				DSP_SPOS_DCDC,
1221 				DSP_SPOS_DCDC,
1222 				DSP_SPOS_DCDC,
1223 				DSP_SPOS_DCDC,
1224 				DSP_SPOS_DCDC,
1225 				DSP_SPOS_DCDC,
1226 				DSP_SPOS_DCDC,
1227 				DSP_SPOS_DCDC,
1228 				DSP_SPOS_DCDC,
1229 				DSP_SPOS_DCDC,
1230 				DSP_SPOS_DCDC,
1231 				DSP_SPOS_DCDC
1232 			},
1233 			{
1234 				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1235 				0,0
1236 			}
1237 		};
1238 
1239 		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1240 		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1241 		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1242 	}
1243 
1244 
1245 	{
1246 		/* setup foreground task tree */
1247 		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1248 			{ DSP_SPOS_DC_DC,
1249 			  DSP_SPOS_DC_DC,
1250 			  DSP_SPOS_DC_DC,
1251 			  DSP_SPOS_DC, DSP_SPOS_DC,
1252 			  DSP_SPOS_DC, DSP_SPOS_DC,
1253 			  DSP_SPOS_DC_DC,
1254 			  DSP_SPOS_DC_DC,
1255 			  DSP_SPOS_DC_DC,
1256 			  DSP_SPOS_DC,DSP_SPOS_DC },
1257 
1258 			{
1259 				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1260 				0,
1261 				BG_TREE_SCB_ADDR + TCBData,
1262 			},
1263 
1264 			{
1265 				9999,0,
1266 				0,1,
1267 				0,SPOSCB_ADDR + HFGFlags,
1268 				0,0,
1269 				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1270 			},
1271 
1272 			{
1273 				DSP_SPOS_DC,0,
1274 				DSP_SPOS_DC,DSP_SPOS_DC,
1275 				DSP_SPOS_DC,DSP_SPOS_DC,
1276 				DSP_SPOS_DC,DSP_SPOS_DC,
1277 				DSP_SPOS_DC,DSP_SPOS_DC,
1278 				DSP_SPOS_DCDC,
1279 				DSP_SPOS_UU,1,
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 				DSP_SPOS_DCDC,
1294 				DSP_SPOS_DCDC,
1295 				DSP_SPOS_DCDC,
1296 				DSP_SPOS_DCDC,
1297 				DSP_SPOS_DCDC,
1298 				DSP_SPOS_DCDC,
1299 				DSP_SPOS_DCDC,
1300 				DSP_SPOS_DCDC,
1301 				DSP_SPOS_DCDC,
1302 				DSP_SPOS_DCDC,
1303 				DSP_SPOS_DCDC,
1304 				DSP_SPOS_DCDC,
1305 				DSP_SPOS_DCDC,
1306 				DSP_SPOS_DCDC,
1307 				DSP_SPOS_DCDC
1308 			},
1309 			{
1310 				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1311 				0,0
1312 			}
1313 		};
1314 
1315 		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1316 		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1317 		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1318 	}
1319 
1320 	/* create timing master SCB */
1321 	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1322 
1323 	/* create the CODEC output task */
1324 	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1325 							MASTERMIX_SCB_ADDR,
1326 							CODECOUT_SCB_ADDR,timing_master_scb,
1327 							SCB_ON_PARENT_SUBLIST_SCB);
1328 
1329 	if (!codec_out_scb) goto _fail_end;
1330 	/* create the master mix SCB */
1331 	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1332 							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1333 							codec_out_scb,
1334 							SCB_ON_PARENT_SUBLIST_SCB);
1335 	ins->master_mix_scb = master_mix_scb;
1336 
1337 	if (!master_mix_scb) goto _fail_end;
1338 
1339 	/* create codec in */
1340 	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1341 						      CODEC_INPUT_BUF1,
1342 						      CODECIN_SCB_ADDR,codec_out_scb,
1343 						      SCB_ON_PARENT_NEXT_SCB);
1344 	if (!codec_in_scb) goto _fail_end;
1345 	ins->codec_in_scb = codec_in_scb;
1346 
1347 	/* create write back scb */
1348 	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1349 							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1350 							      WRITEBACK_SCB_ADDR,
1351 							      timing_master_scb,
1352 							      SCB_ON_PARENT_NEXT_SCB);
1353 	if (!write_back_scb) goto _fail_end;
1354 
1355 	{
1356 		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1357 			0x00020000,
1358 			0x0000ffff
1359 		};
1360 
1361 		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1362 						 (u32 *)&mix2_ostream_spb,
1363 						 WRITE_BACK_SPB, 2))
1364 			goto _fail_end;
1365 	}
1366 
1367 	/* input sample converter */
1368 	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1369 								VARI_DECIMATE_BUF0,
1370 								VARI_DECIMATE_BUF1,
1371 								VARIDECIMATE_SCB_ADDR,
1372 								write_back_scb,
1373 								SCB_ON_PARENT_SUBLIST_SCB);
1374 	if (!vari_decimate_scb) goto _fail_end;
1375 
1376 	/* create the record mixer SCB */
1377 	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1378 							MIX_SAMPLE_BUF2,
1379 							RECORD_MIXER_SCB_ADDR,
1380 							vari_decimate_scb,
1381 							SCB_ON_PARENT_SUBLIST_SCB);
1382 	ins->record_mixer_scb = record_mix_scb;
1383 
1384 	if (!record_mix_scb) goto _fail_end;
1385 
1386 	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1387 
1388 	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1389 		goto _fail_end;
1390 
1391 	if (chip->nr_ac97_codecs == 1) {
1392 		/* output on slot 5 and 11
1393 		   on primary CODEC */
1394 		fifo_addr = 0x20;
1395 		fifo_span = 0x60;
1396 
1397 		/* enable slot 5 and 11 */
1398 		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1399 	} else {
1400 		/* output on slot 7 and 8
1401 		   on secondary CODEC */
1402 		fifo_addr = 0x40;
1403 		fifo_span = 0x10;
1404 
1405 		/* enable slot 7 and 8 */
1406 		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1407 	}
1408 	/* create CODEC tasklet for rear speakers output*/
1409 	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1410 							     REAR_MIXER_SCB_ADDR,
1411 							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1412 							     SCB_ON_PARENT_NEXT_SCB);
1413 	if (!rear_codec_out_scb) goto _fail_end;
1414 
1415 
1416 	/* create the rear PCM channel  mixer SCB */
1417 	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1418 						      MIX_SAMPLE_BUF3,
1419 						      REAR_MIXER_SCB_ADDR,
1420 						      rear_codec_out_scb,
1421 						      SCB_ON_PARENT_SUBLIST_SCB);
1422 	ins->rear_mix_scb = rear_mix_scb;
1423 	if (!rear_mix_scb) goto _fail_end;
1424 
1425 	if (chip->nr_ac97_codecs == 2) {
1426 		/* create CODEC tasklet for rear Center/LFE output
1427 		   slot 6 and 9 on seconadry CODEC */
1428 		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1429 								     CLFE_MIXER_SCB_ADDR,
1430 								     CLFE_CODEC_SCB_ADDR,
1431 								     rear_codec_out_scb,
1432 								     SCB_ON_PARENT_NEXT_SCB);
1433 		if (!clfe_codec_out_scb) goto _fail_end;
1434 
1435 
1436 		/* create the rear PCM channel  mixer SCB */
1437 		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1438 									 MIX_SAMPLE_BUF4,
1439 									 CLFE_MIXER_SCB_ADDR,
1440 									 clfe_codec_out_scb,
1441 									 SCB_ON_PARENT_SUBLIST_SCB);
1442 		if (!ins->center_lfe_mix_scb) goto _fail_end;
1443 
1444 		/* enable slot 6 and 9 */
1445 		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1446 	} else {
1447 		clfe_codec_out_scb = rear_codec_out_scb;
1448 		ins->center_lfe_mix_scb = rear_mix_scb;
1449 	}
1450 
1451 	/* enable slots depending on CODEC configuration */
1452 	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1453 
1454 	/* the magic snooper */
1455 	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1456 							     OUTPUT_SNOOP_BUFFER,
1457 							     codec_out_scb,
1458 							     clfe_codec_out_scb,
1459 							     SCB_ON_PARENT_NEXT_SCB);
1460 
1461 
1462 	if (!magic_snoop_scb) goto _fail_end;
1463 	ins->ref_snoop_scb = magic_snoop_scb;
1464 
1465 	/* SP IO access */
1466 	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1467 					      magic_snoop_scb,
1468 					      SCB_ON_PARENT_NEXT_SCB))
1469 		goto _fail_end;
1470 
1471 	/* SPDIF input sampel rate converter */
1472 	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1473 						      ins->spdif_in_sample_rate,
1474 						      SRC_OUTPUT_BUF1,
1475 						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1476 						      master_mix_scb,
1477 						      SCB_ON_PARENT_SUBLIST_SCB,1);
1478 
1479 	if (!src_task_scb) goto _fail_end;
1480 	cs46xx_src_unlink(chip,src_task_scb);
1481 
1482 	/* NOTE: when we now how to detect the SPDIF input
1483 	   sample rate we will use this SRC to adjust it */
1484 	ins->spdif_in_src = src_task_scb;
1485 
1486 	cs46xx_dsp_async_init(chip,timing_master_scb);
1487 	return 0;
1488 
1489  _fail_end:
1490 	snd_printk(KERN_ERR "dsp_spos: failed to setup SCB's in DSP\n");
1491 	return -EINVAL;
1492 }
1493 
1494 static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1495 				  struct dsp_scb_descriptor * fg_entry)
1496 {
1497 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1498 	struct dsp_symbol_entry * s16_async_codec_input_task;
1499 	struct dsp_symbol_entry * spdifo_task;
1500 	struct dsp_symbol_entry * spdifi_task;
1501 	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1502 
1503 	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1504 	if (s16_async_codec_input_task == NULL) {
1505 		snd_printk(KERN_ERR "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1506 		return -EIO;
1507 	}
1508 	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1509 	if (spdifo_task == NULL) {
1510 		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFOTASK not found\n");
1511 		return -EIO;
1512 	}
1513 
1514 	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1515 	if (spdifi_task == NULL) {
1516 		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFITASK not found\n");
1517 		return -EIO;
1518 	}
1519 
1520 	{
1521 		/* 0xBC0 */
1522 		struct dsp_spdifoscb spdifo_scb = {
1523 			/* 0 */ DSP_SPOS_UUUU,
1524 			{
1525 				/* 1 */ 0xb0,
1526 				/* 2 */ 0,
1527 				/* 3 */ 0,
1528 				/* 4 */ 0,
1529 			},
1530 			/* NOTE: the SPDIF output task read samples in mono
1531 			   format, the AsynchFGTxSCB task writes to buffer
1532 			   in stereo format
1533 			*/
1534 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1535 			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1536 			/* 7 */ 0,0,
1537 			/* 8 */ 0,
1538 			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1539 			/* A */ spdifo_task->address,
1540 			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1541 			{
1542 				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1543 				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1544 			},
1545 			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1546 			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1547 			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1548 		};
1549 
1550 		/* 0xBB0 */
1551 		struct dsp_spdifiscb spdifi_scb = {
1552 			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1553 			/* 1 */ 0,
1554 			/* 2 */ 0,
1555 			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1556 			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1557 			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1558 			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1559 			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1560 			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1561 			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1562 			/* A */ spdifi_task->address,
1563 			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1564 			/* NOTE: The SPDIF input task write the sample in mono
1565 			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1566 			   them in stereo
1567 			*/
1568 			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1569 			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1570 			/* D */ 0x8048,0,
1571 			/* E */ 0x01f0,0x0001,
1572 			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1573 		};
1574 
1575 		/* 0xBA0 */
1576 		struct dsp_async_codec_input_scb async_codec_input_scb = {
1577 			/* 0 */ DSP_SPOS_UUUU,
1578 			/* 1 */ 0,
1579 			/* 2 */ 0,
1580 			/* 3 */ 1,4000,
1581 			/* 4 */ 0x0118,0x0001,
1582 			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1583 			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1584 			/* 7 */ DSP_SPOS_UU,0x3,
1585 			/* 8 */ DSP_SPOS_UUUU,
1586 			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1587 			/* A */ s16_async_codec_input_task->address,
1588 			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1589 
1590 			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1591 			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1592 
1593 #ifdef UseASER1Input
1594 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1595 			   Init. 0000:8042: for ASER1
1596 			   0000:8044: for ASER2 */
1597 			/* D */ 0x8042,0,
1598 
1599 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1600 			   Init 1 stero:8050 ASER1
1601 			   Init 0  mono:8070 ASER2
1602 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1603 			/* E */ 0x0100,0x0001,
1604 
1605 #endif
1606 
1607 #ifdef UseASER2Input
1608 			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1609 			   Init. 0000:8042: for ASER1
1610 			   0000:8044: for ASER2 */
1611 			/* D */ 0x8044,0,
1612 
1613 			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1614 			   Init 1 stero:8050 ASER1
1615 			   Init 0  mono:8070 ASER2
1616 			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1617 			/* E */ 0x0110,0x0001,
1618 
1619 #endif
1620 
1621 			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1622 			   AsyncCIOutputBufModulo: The modulo size for
1623 			   the output buffer of this task */
1624 			/* F */ 0, /* DSP_SPOS_UUUU */
1625 		};
1626 
1627 		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1628 
1629 		if (snd_BUG_ON(!spdifo_scb_desc))
1630 			return -EIO;
1631 		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1632 		if (snd_BUG_ON(!spdifi_scb_desc))
1633 			return -EIO;
1634 		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1635 		if (snd_BUG_ON(!async_codec_scb_desc))
1636 			return -EIO;
1637 
1638 		async_codec_scb_desc->parent_scb_ptr = NULL;
1639 		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1640 		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1641 		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1642 
1643 		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1644 		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1645 		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1646 		spdifi_scb_desc->task_entry = spdifi_task;
1647 
1648 		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1649 		spdifo_scb_desc->next_scb_ptr = fg_entry;
1650 		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1651 		spdifo_scb_desc->task_entry = spdifo_task;
1652 
1653 		/* this one is faked, as the parnet of SPDIFO task
1654 		   is the FG task tree */
1655 		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1656 
1657 		/* for proc fs */
1658 		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1659 		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1660 		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1661 
1662 		/* Async MASTER ENABLE, affects both SPDIF input and output */
1663 		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1664 	}
1665 
1666 	return 0;
1667 }
1668 
1669 static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1670 {
1671 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1672 
1673 	/* set SPDIF output FIFO slot */
1674 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1675 
1676 	/* SPDIF output MASTER ENABLE */
1677 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1678 
1679 	/* right and left validate bit */
1680 	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1681 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1682 
1683 	/* clear fifo pointer */
1684 	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1685 
1686 	/* monitor state */
1687 	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1688 }
1689 
1690 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1691 {
1692 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1693 
1694 	/* if hw-ctrl already enabled, turn off to reset logic ... */
1695 	cs46xx_dsp_disable_spdif_hw (chip);
1696 	udelay(50);
1697 
1698 	/* set SPDIF output FIFO slot */
1699 	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1700 
1701 	/* SPDIF output MASTER ENABLE */
1702 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1703 
1704 	/* right and left validate bit */
1705 	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1706 
1707 	/* monitor state */
1708 	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1709 
1710 	return 0;
1711 }
1712 
1713 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1714 {
1715 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1716 
1717 	/* turn on amplifier */
1718 	chip->active_ctrl(chip, 1);
1719 	chip->amplifier_ctrl(chip, 1);
1720 
1721 	if (snd_BUG_ON(ins->asynch_rx_scb))
1722 		return -EINVAL;
1723 	if (snd_BUG_ON(!ins->spdif_in_src))
1724 		return -EINVAL;
1725 
1726 	mutex_lock(&chip->spos_mutex);
1727 
1728 	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1729 		/* time countdown enable */
1730 		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1731 		/* NOTE: 80000005 value is just magic. With all values
1732 		   that I've tested this one seem to give the best result.
1733 		   Got no explication why. (Benny) */
1734 
1735 		/* SPDIF input MASTER ENABLE */
1736 		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1737 
1738 		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1739 	}
1740 
1741 	/* create and start the asynchronous receiver SCB */
1742 	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1743 								ASYNCRX_SCB_ADDR,
1744 								SPDIFI_SCB_INST,
1745 								SPDIFI_IP_OUTPUT_BUFFER1,
1746 								ins->spdif_in_src,
1747 								SCB_ON_PARENT_SUBLIST_SCB);
1748 
1749 	spin_lock_irq(&chip->reg_lock);
1750 
1751 	/* reset SPDIF input sample buffer pointer */
1752 	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1753 	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1754 
1755 	/* reset FIFO ptr */
1756 	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1757 	cs46xx_src_link(chip,ins->spdif_in_src);
1758 
1759 	/* unmute SRC volume */
1760 	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1761 
1762 	spin_unlock_irq(&chip->reg_lock);
1763 
1764 	/* set SPDIF input sample rate and unmute
1765 	   NOTE: only 48khz support for SPDIF input this time */
1766 	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1767 
1768 	/* monitor state */
1769 	ins->spdif_status_in = 1;
1770 	mutex_unlock(&chip->spos_mutex);
1771 
1772 	return 0;
1773 }
1774 
1775 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1776 {
1777 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1778 
1779 	if (snd_BUG_ON(!ins->asynch_rx_scb))
1780 		return -EINVAL;
1781 	if (snd_BUG_ON(!ins->spdif_in_src))
1782 		return -EINVAL;
1783 
1784 	mutex_lock(&chip->spos_mutex);
1785 
1786 	/* Remove the asynchronous receiver SCB */
1787 	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1788 	ins->asynch_rx_scb = NULL;
1789 
1790 	cs46xx_src_unlink(chip,ins->spdif_in_src);
1791 
1792 	/* monitor state */
1793 	ins->spdif_status_in = 0;
1794 	mutex_unlock(&chip->spos_mutex);
1795 
1796 	/* restore amplifier */
1797 	chip->active_ctrl(chip, -1);
1798 	chip->amplifier_ctrl(chip, -1);
1799 
1800 	return 0;
1801 }
1802 
1803 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1804 {
1805 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1806 
1807 	if (snd_BUG_ON(ins->pcm_input))
1808 		return -EINVAL;
1809 	if (snd_BUG_ON(!ins->ref_snoop_scb))
1810 		return -EINVAL;
1811 
1812 	mutex_lock(&chip->spos_mutex);
1813 	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1814                                                   "PCMSerialInput_Wave");
1815 	mutex_unlock(&chip->spos_mutex);
1816 
1817 	return 0;
1818 }
1819 
1820 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1821 {
1822 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1823 
1824 	if (snd_BUG_ON(!ins->pcm_input))
1825 		return -EINVAL;
1826 
1827 	mutex_lock(&chip->spos_mutex);
1828 	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1829 	ins->pcm_input = NULL;
1830 	mutex_unlock(&chip->spos_mutex);
1831 
1832 	return 0;
1833 }
1834 
1835 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1836 {
1837 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1838 
1839 	if (snd_BUG_ON(ins->adc_input))
1840 		return -EINVAL;
1841 	if (snd_BUG_ON(!ins->codec_in_scb))
1842 		return -EINVAL;
1843 
1844 	mutex_lock(&chip->spos_mutex);
1845 	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1846 						  "PCMSerialInput_ADC");
1847 	mutex_unlock(&chip->spos_mutex);
1848 
1849 	return 0;
1850 }
1851 
1852 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1853 {
1854 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1855 
1856 	if (snd_BUG_ON(!ins->adc_input))
1857 		return -EINVAL;
1858 
1859 	mutex_lock(&chip->spos_mutex);
1860 	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1861 	ins->adc_input = NULL;
1862 	mutex_unlock(&chip->spos_mutex);
1863 
1864 	return 0;
1865 }
1866 
1867 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1868 {
1869 	u32 temp;
1870 	int  i;
1871 
1872 	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1873 	   a rough guess from looking at the controller spec.) */
1874 	if (address < 0x8000 || address >= 0x9000)
1875 		return -EINVAL;
1876 
1877 	/* initialize the SP_IO_WRITE SCB with the data. */
1878 	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1879 
1880 	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1881 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1882 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1883 
1884 	/* Poke this location to tell the task to start */
1885 	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1886 
1887 	/* Verify that the task ran */
1888 	for (i=0; i<25; i++) {
1889 		udelay(125);
1890 
1891 		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1892 		if (temp == 0x00000000)
1893 			break;
1894 	}
1895 
1896 	if (i == 25) {
1897 		snd_printk(KERN_ERR "dsp_spos: SPIOWriteTask not responding\n");
1898 		return -EBUSY;
1899 	}
1900 
1901 	return 0;
1902 }
1903 
1904 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1905 {
1906 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1907 	struct dsp_scb_descriptor * scb;
1908 
1909 	mutex_lock(&chip->spos_mutex);
1910 
1911 	/* main output */
1912 	scb = ins->master_mix_scb->sub_list_ptr;
1913 	while (scb != ins->the_null_scb) {
1914 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1915 		scb = scb->next_scb_ptr;
1916 	}
1917 
1918 	/* rear output */
1919 	scb = ins->rear_mix_scb->sub_list_ptr;
1920 	while (scb != ins->the_null_scb) {
1921 		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1922 		scb = scb->next_scb_ptr;
1923 	}
1924 
1925 	ins->dac_volume_left = left;
1926 	ins->dac_volume_right = right;
1927 
1928 	mutex_unlock(&chip->spos_mutex);
1929 
1930 	return 0;
1931 }
1932 
1933 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1934 {
1935 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1936 
1937 	mutex_lock(&chip->spos_mutex);
1938 
1939 	if (ins->asynch_rx_scb != NULL)
1940 		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1941 					   left,right);
1942 
1943 	ins->spdif_input_volume_left = left;
1944 	ins->spdif_input_volume_right = right;
1945 
1946 	mutex_unlock(&chip->spos_mutex);
1947 
1948 	return 0;
1949 }
1950 
1951 #ifdef CONFIG_PM
1952 int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1953 {
1954 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1955 	int i, err;
1956 
1957 	/* clear parameter, sample and code areas */
1958 	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1959 			     DSP_PARAMETER_BYTE_SIZE);
1960 	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1961 			     DSP_SAMPLE_BYTE_SIZE);
1962 	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1963 
1964 	for (i = 0; i < ins->nmodules; i++) {
1965 		struct dsp_module_desc *module = &ins->modules[i];
1966 		struct dsp_segment_desc *seg;
1967 		u32 doffset, dsize;
1968 
1969 		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1970 		err = dsp_load_parameter(chip, seg);
1971 		if (err < 0)
1972 			return err;
1973 
1974 		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1975 		err = dsp_load_sample(chip, seg);
1976 		if (err < 0)
1977 			return err;
1978 
1979 		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1980 		if (!seg)
1981 			continue;
1982 
1983 		doffset = seg->offset * 4 + module->load_address * 4
1984 			+ DSP_CODE_BYTE_OFFSET;
1985 		dsize   = seg->size * 4;
1986 		err = snd_cs46xx_download(chip,
1987 					  ins->code.data + module->load_address,
1988 					  doffset, dsize);
1989 		if (err < 0)
1990 			return err;
1991 	}
1992 
1993 	for (i = 0; i < ins->ntask; i++) {
1994 		struct dsp_task_descriptor *t = &ins->tasks[i];
1995 		_dsp_create_task_tree(chip, t->data, t->address, t->size);
1996 	}
1997 
1998 	for (i = 0; i < ins->nscb; i++) {
1999 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2000 		if (s->deleted)
2001 			continue;
2002 		_dsp_create_scb(chip, s->data, s->address);
2003 	}
2004 	for (i = 0; i < ins->nscb; i++) {
2005 		struct dsp_scb_descriptor *s = &ins->scbs[i];
2006 		if (s->deleted)
2007 			continue;
2008 		if (s->updated)
2009 			cs46xx_dsp_spos_update_scb(chip, s);
2010 		if (s->volume_set)
2011 			cs46xx_dsp_scb_set_volume(chip, s,
2012 						  s->volume[0], s->volume[1]);
2013 	}
2014 	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2015 		cs46xx_dsp_enable_spdif_hw(chip);
2016 		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2017 				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2018 		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2019 			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2020 					    ins->spdif_csuv_stream);
2021 	}
2022 	if (chip->dsp_spos_instance->spdif_status_in) {
2023 		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2024 		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2025 	}
2026 	return 0;
2027 }
2028 #endif
2029