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   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
  40static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
  41				  struct dsp_scb_descriptor * fg_entry);
  42
  43static 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
  58static 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
 120static 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
 132static 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
 146static 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
 187static struct dsp_symbol_entry *
 188add_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
 224struct 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.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
 233					    DSP_MAX_SYMBOLS);
 234	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
 235	ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
 236	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
 237		cs46xx_dsp_spos_destroy(chip);
 238		goto error;
 239	}
 240	ins->symbol_table.nsymbols = 0;
 241	ins->symbol_table.highest_frag_index = 0;
 242	ins->code.offset = 0;
 243	ins->code.size = 0;
 244	ins->nscb = 0;
 245	ins->ntask = 0;
 246	ins->nmodules = 0;
 247
 248	/* default SPDIF input sample rate
 249	   to 48000 khz */
 250	ins->spdif_in_sample_rate = 48000;
 251
 252	/* maximize volume */
 253	ins->dac_volume_right = 0x8000;
 254	ins->dac_volume_left = 0x8000;
 255	ins->spdif_input_volume_right = 0x8000;
 256	ins->spdif_input_volume_left = 0x8000;
 257
 258	/* set left and right validity bits and
 259	   default channel status */
 260	ins->spdif_csuv_default =
 261		ins->spdif_csuv_stream =
 262	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
 263	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
 264	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
 265	 /* left and right validity bits */ (1 << 13) | (1 << 12);
 266
 267	return ins;
 268
 269error:
 270	kfree(ins->modules);
 271	kfree(ins->code.data);
 272	vfree(ins->symbol_table.symbols);
 273	kfree(ins);
 274	return NULL;
 275}
 276
 277void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
 278{
 279	int i;
 280	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 281
 282	if (snd_BUG_ON(!ins))
 283		return;
 284
 285	mutex_lock(&chip->spos_mutex);
 286	for (i = 0; i < ins->nscb; ++i) {
 287		if (ins->scbs[i].deleted) continue;
 288
 289		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
 290#ifdef CONFIG_PM
 291		kfree(ins->scbs[i].data);
 292#endif
 293	}
 294
 295	kfree(ins->code.data);
 296	vfree(ins->symbol_table.symbols);
 297	kfree(ins->modules);
 298	kfree(ins);
 299	mutex_unlock(&chip->spos_mutex);
 300}
 301
 302static int dsp_load_parameter(struct snd_cs46xx *chip,
 303			      struct dsp_segment_desc *parameter)
 304{
 305	u32 doffset, dsize;
 306
 307	if (!parameter) {
 308		snd_printdd("dsp_spos: module got no parameter segment\n");
 309		return 0;
 310	}
 311
 312	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
 313	dsize   = parameter->size * 4;
 314
 315	snd_printdd("dsp_spos: "
 316		    "downloading parameter data to chip (%08x-%08x)\n",
 317		    doffset,doffset + dsize);
 318	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
 319		snd_printk(KERN_ERR "dsp_spos: "
 320			   "failed to download parameter data to DSP\n");
 321		return -EINVAL;
 322	}
 323	return 0;
 324}
 325
 326static int dsp_load_sample(struct snd_cs46xx *chip,
 327			   struct dsp_segment_desc *sample)
 328{
 329	u32 doffset, dsize;
 330
 331	if (!sample) {
 332		snd_printdd("dsp_spos: module got no sample segment\n");
 333		return 0;
 334	}
 335
 336	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
 337	dsize   =  sample->size * 4;
 338
 339	snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
 340		    doffset,doffset + dsize);
 341
 342	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
 343		snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
 344		return -EINVAL;
 345	}
 346	return 0;
 347}
 348
 349int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
 350{
 351	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 352	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
 353	u32 doffset, dsize;
 354	int err;
 355
 356	if (ins->nmodules == DSP_MAX_MODULES - 1) {
 357		snd_printk(KERN_ERR "dsp_spos: to many modules loaded into DSP\n");
 358		return -ENOMEM;
 359	}
 360
 361	snd_printdd("dsp_spos: loading module %s into DSP\n", module->module_name);
 362  
 363	if (ins->nmodules == 0) {
 364		snd_printdd("dsp_spos: clearing parameter area\n");
 365		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
 366	}
 367  
 368	err = dsp_load_parameter(chip, get_segment_desc(module,
 369							SEGTYPE_SP_PARAMETER));
 370	if (err < 0)
 371		return err;
 372
 373	if (ins->nmodules == 0) {
 374		snd_printdd("dsp_spos: clearing sample area\n");
 375		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
 376	}
 377
 378	err = dsp_load_sample(chip, get_segment_desc(module,
 379						     SEGTYPE_SP_SAMPLE));
 380	if (err < 0)
 381		return err;
 382
 383	if (ins->nmodules == 0) {
 384		snd_printdd("dsp_spos: clearing code area\n");
 385		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
 386	}
 387
 388	if (code == NULL) {
 389		snd_printdd("dsp_spos: module got no code segment\n");
 390	} else {
 391		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
 392			snd_printk(KERN_ERR "dsp_spos: no space available in DSP\n");
 393			return -ENOMEM;
 394		}
 395
 396		module->load_address = ins->code.offset;
 397		module->overlay_begin_address = 0x000;
 398
 399		/* if module has a code segment it must have
 400		   symbol table */
 401		if (snd_BUG_ON(!module->symbol_table.symbols))
 402			return -ENOMEM;
 403		if (add_symbols(chip,module)) {
 404			snd_printk(KERN_ERR "dsp_spos: failed to load symbol table\n");
 405			return -ENOMEM;
 406		}
 407    
 408		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
 409		dsize   = code->size * 4;
 410		snd_printdd("dsp_spos: downloading code to chip (%08x-%08x)\n",
 411			    doffset,doffset + dsize);   
 412
 413		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
 414
 415		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
 416			snd_printk(KERN_ERR "dsp_spos: failed to download code to DSP\n");
 417			return -EINVAL;
 418		}
 419
 420		ins->code.offset += code->size;
 421	}
 422
 423	/* NOTE: module segments and symbol table must be
 424	   statically allocated. Case that module data is
 425	   not generated by the ospparser */
 426	ins->modules[ins->nmodules] = *module;
 427	ins->nmodules++;
 428
 429	return 0;
 430}
 431
 432struct dsp_symbol_entry *
 433cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
 434{
 435	int i;
 436	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 437
 438	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
 439
 440		if (ins->symbol_table.symbols[i].deleted)
 441			continue;
 442
 443		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
 444		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
 445			return (ins->symbol_table.symbols + i);
 446		}
 447	}
 448
 449#if 0
 450	printk ("dsp_spos: symbol <%s> type %02x not found\n",
 451		symbol_name,symbol_type);
 452#endif
 453
 454	return NULL;
 455}
 456
 457
 458#ifdef CONFIG_PROC_FS
 459static struct dsp_symbol_entry *
 460cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
 461{
 462	int i;
 463	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 464
 465	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
 466
 467		if (ins->symbol_table.symbols[i].deleted)
 468			continue;
 469
 470		if (ins->symbol_table.symbols[i].address == address &&
 471		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
 472			return (ins->symbol_table.symbols + i);
 473		}
 474	}
 475
 476
 477	return NULL;
 478}
 479
 480
 481static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
 482					       struct snd_info_buffer *buffer)
 483{
 484	struct snd_cs46xx *chip = entry->private_data;
 485	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 486	int i;
 487
 488	snd_iprintf(buffer, "SYMBOLS:\n");
 489	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
 490		char *module_str = "system";
 491
 492		if (ins->symbol_table.symbols[i].deleted)
 493			continue;
 494
 495		if (ins->symbol_table.symbols[i].module != NULL) {
 496			module_str = ins->symbol_table.symbols[i].module->module_name;
 497		}
 498
 499    
 500		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
 501			    ins->symbol_table.symbols[i].address,
 502			    ins->symbol_table.symbols[i].symbol_type,
 503			    ins->symbol_table.symbols[i].symbol_name,
 504			    module_str);    
 505	}
 506}
 507
 508
 509static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
 510					  struct snd_info_buffer *buffer)
 511{
 512	struct snd_cs46xx *chip = entry->private_data;
 513	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 514	int i,j;
 515
 516	mutex_lock(&chip->spos_mutex);
 517	snd_iprintf(buffer, "MODULES:\n");
 518	for ( i = 0; i < ins->nmodules; ++i ) {
 519		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
 520		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
 521		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
 522
 523		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
 524			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
 525			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
 526				    desc->segment_type,desc->offset, desc->size);
 527		}
 528	}
 529	mutex_unlock(&chip->spos_mutex);
 530}
 531
 532static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
 533					    struct snd_info_buffer *buffer)
 534{
 535	struct snd_cs46xx *chip = entry->private_data;
 536	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 537	int i, j, col;
 538	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
 539
 540	mutex_lock(&chip->spos_mutex);
 541	snd_iprintf(buffer, "TASK TREES:\n");
 542	for ( i = 0; i < ins->ntask; ++i) {
 543		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
 544
 545		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
 546			u32 val;
 547			if (col == 4) {
 548				snd_iprintf(buffer,"\n");
 549				col = 0;
 550			}
 551			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
 552			snd_iprintf(buffer,"%08x ",val);
 553		}
 554	}
 555
 556	snd_iprintf(buffer,"\n");  
 557	mutex_unlock(&chip->spos_mutex);
 558}
 559
 560static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
 561				      struct snd_info_buffer *buffer)
 562{
 563	struct snd_cs46xx *chip = entry->private_data;
 564	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 565	int i;
 566
 567	mutex_lock(&chip->spos_mutex);
 568	snd_iprintf(buffer, "SCB's:\n");
 569	for ( i = 0; i < ins->nscb; ++i) {
 570		if (ins->scbs[i].deleted)
 571			continue;
 572		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
 573
 574		if (ins->scbs[i].parent_scb_ptr != NULL) {
 575			snd_iprintf(buffer,"parent [%s:%04x] ", 
 576				    ins->scbs[i].parent_scb_ptr->scb_name,
 577				    ins->scbs[i].parent_scb_ptr->address);
 578		} else snd_iprintf(buffer,"parent [none] ");
 579
 580		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
 581			    ins->scbs[i].sub_list_ptr->scb_name,
 582			    ins->scbs[i].sub_list_ptr->address,
 583			    ins->scbs[i].next_scb_ptr->scb_name,
 584			    ins->scbs[i].next_scb_ptr->address,
 585			    ins->scbs[i].task_entry->symbol_name,
 586			    ins->scbs[i].task_entry->address);
 587	}
 588
 589	snd_iprintf(buffer,"\n");
 590	mutex_unlock(&chip->spos_mutex);
 591}
 592
 593static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
 594						 struct snd_info_buffer *buffer)
 595{
 596	struct snd_cs46xx *chip = entry->private_data;
 597	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
 598	unsigned int i, col = 0;
 599	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
 600	struct dsp_symbol_entry * symbol; 
 601
 602	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
 603		if (col == 4) {
 604			snd_iprintf(buffer,"\n");
 605			col = 0;
 606		}
 607
 608		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
 609			col = 0;
 610			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
 611		}
 612
 613		if (col == 0) {
 614			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
 615		}
 616
 617		snd_iprintf(buffer,"%08X ",readl(dst + i));
 618	}
 619}
 620
 621static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
 622					      struct snd_info_buffer *buffer)
 623{
 624	struct snd_cs46xx *chip = entry->private_data;
 625	int i,col = 0;
 626	void __iomem *dst = chip->region.idx[2].remap_addr;
 627
 628	snd_iprintf(buffer,"PCMREADER:\n");
 629	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
 630		if (col == 4) {
 631			snd_iprintf(buffer,"\n");
 632			col = 0;
 633		}
 634
 635		if (col == 0) {
 636			snd_iprintf(buffer, "%04X ",i);
 637		}
 638
 639		snd_iprintf(buffer,"%08X ",readl(dst + i));
 640	}
 641
 642	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
 643
 644	col = 0;
 645	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
 646		if (col == 4) {
 647			snd_iprintf(buffer,"\n");
 648			col = 0;
 649		}
 650
 651		if (col == 0) {
 652			snd_iprintf(buffer, "%04X ",i);
 653		}
 654
 655		snd_iprintf(buffer,"%08X ",readl(dst + i));
 656	}
 657
 658	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
 659	col = 0;
 660	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
 661		if (col == 4) {
 662			snd_iprintf(buffer,"\n");
 663			col = 0;
 664		}
 665		
 666		if (col == 0) {
 667			snd_iprintf(buffer, "%04X ",i);
 668		}
 669
 670		snd_iprintf(buffer,"%08X ",readl(dst + i));
 671	}
 672
 673
 674	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
 675	col = 0;
 676	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
 677		if (col == 4) {
 678			snd_iprintf(buffer,"\n");
 679			col = 0;
 680		}
 681
 682		if (col == 0) {
 683			snd_iprintf(buffer, "%04X ",i);
 684		}
 685
 686		snd_iprintf(buffer,"%08X ",readl(dst + i));
 687	}
 688
 689	snd_iprintf(buffer,"\n...\n");
 690	col = 0;
 691
 692	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
 693		if (col == 4) {
 694			snd_iprintf(buffer,"\n");
 695			col = 0;
 696		}
 697
 698		if (col == 0) {
 699			snd_iprintf(buffer, "%04X ",i);
 700		}
 701
 702		snd_iprintf(buffer,"%08X ",readl(dst + i));
 703	}
 704
 705
 706	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
 707	col = 0;
 708	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
 709		if (col == 4) {
 710			snd_iprintf(buffer,"\n");
 711			col = 0;
 712		}
 713
 714		if (col == 0) {
 715			snd_iprintf(buffer, "%04X ",i);
 716		}
 717
 718		snd_iprintf(buffer,"%08X ",readl(dst + i));
 719	}
 720
 721	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
 722	col = 0;
 723	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
 724		if (col == 4) {
 725			snd_iprintf(buffer,"\n");
 726			col = 0;
 727		}
 728
 729		if (col == 0) {
 730			snd_iprintf(buffer, "%04X ",i);
 731		}
 732
 733		snd_iprintf(buffer,"%08X ",readl(dst + i));
 734	}
 735#if 0
 736	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
 737	col = 0;
 738	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
 739		if (col == 4) {
 740			snd_iprintf(buffer,"\n");
 741			col = 0;
 742		}
 743
 744		if (col == 0) {
 745			snd_iprintf(buffer, "%04X ",i);
 746		}
 747
 748		snd_iprintf(buffer,"%08X ",readl(dst + i));
 749	}
 750#endif
 751
 752	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
 753	col = 0;
 754	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
 755		if (col == 4) {
 756			snd_iprintf(buffer,"\n");
 757			col = 0;
 758		}
 759
 760		if (col == 0) {
 761			snd_iprintf(buffer, "%04X ",i);
 762		}
 763		
 764		snd_iprintf(buffer,"%08X ",readl(dst + i));
 765	}
 766	snd_iprintf(buffer,"\n");
 767}
 768
 769int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
 770{
 771	struct snd_info_entry *entry;
 772	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 773	int i;
 774
 775	ins->snd_card = card;
 776
 777	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
 778		entry->content = SNDRV_INFO_CONTENT_TEXT;
 779		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
 780      
 781		if (snd_info_register(entry) < 0) {
 782			snd_info_free_entry(entry);
 783			entry = NULL;
 784		}
 785	}
 786
 787	ins->proc_dsp_dir = entry;
 788
 789	if (!ins->proc_dsp_dir)
 790		return -ENOMEM;
 791
 792	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
 793		entry->content = SNDRV_INFO_CONTENT_TEXT;
 794		entry->private_data = chip;
 795		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 796		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
 797		if (snd_info_register(entry) < 0) {
 798			snd_info_free_entry(entry);
 799			entry = NULL;
 800		}
 801	}
 802	ins->proc_sym_info_entry = entry;
 803    
 804	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
 805		entry->content = SNDRV_INFO_CONTENT_TEXT;
 806		entry->private_data = chip;
 807		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 808		entry->c.text.read = cs46xx_dsp_proc_modules_read;
 809		if (snd_info_register(entry) < 0) {
 810			snd_info_free_entry(entry);
 811			entry = NULL;
 812		}
 813	}
 814	ins->proc_modules_info_entry = entry;
 815
 816	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
 817		entry->content = SNDRV_INFO_CONTENT_TEXT;
 818		entry->private_data = chip;
 819		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 820		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
 821		if (snd_info_register(entry) < 0) {
 822			snd_info_free_entry(entry);
 823			entry = NULL;
 824		}
 825	}
 826	ins->proc_parameter_dump_info_entry = entry;
 827
 828	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
 829		entry->content = SNDRV_INFO_CONTENT_TEXT;
 830		entry->private_data = chip;
 831		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 832		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
 833		if (snd_info_register(entry) < 0) {
 834			snd_info_free_entry(entry);
 835			entry = NULL;
 836		}
 837	}
 838	ins->proc_sample_dump_info_entry = entry;
 839
 840	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
 841		entry->content = SNDRV_INFO_CONTENT_TEXT;
 842		entry->private_data = chip;
 843		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 844		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
 845		if (snd_info_register(entry) < 0) {
 846			snd_info_free_entry(entry);
 847			entry = NULL;
 848		}
 849	}
 850	ins->proc_task_info_entry = entry;
 851
 852	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
 853		entry->content = SNDRV_INFO_CONTENT_TEXT;
 854		entry->private_data = chip;
 855		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 856		entry->c.text.read = cs46xx_dsp_proc_scb_read;
 857		if (snd_info_register(entry) < 0) {
 858			snd_info_free_entry(entry);
 859			entry = NULL;
 860		}
 861	}
 862	ins->proc_scb_info_entry = entry;
 863
 864	mutex_lock(&chip->spos_mutex);
 865	/* register/update SCB's entries on proc */
 866	for (i = 0; i < ins->nscb; ++i) {
 867		if (ins->scbs[i].deleted) continue;
 868
 869		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
 870	}
 871	mutex_unlock(&chip->spos_mutex);
 872
 873	return 0;
 874}
 875
 876int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
 877{
 878	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 879	int i;
 880
 881	snd_info_free_entry(ins->proc_sym_info_entry);
 882	ins->proc_sym_info_entry = NULL;
 883
 884	snd_info_free_entry(ins->proc_modules_info_entry);
 885	ins->proc_modules_info_entry = NULL;
 886
 887	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
 888	ins->proc_parameter_dump_info_entry = NULL;
 889
 890	snd_info_free_entry(ins->proc_sample_dump_info_entry);
 891	ins->proc_sample_dump_info_entry = NULL;
 892
 893	snd_info_free_entry(ins->proc_scb_info_entry);
 894	ins->proc_scb_info_entry = NULL;
 895
 896	snd_info_free_entry(ins->proc_task_info_entry);
 897	ins->proc_task_info_entry = NULL;
 898
 899	mutex_lock(&chip->spos_mutex);
 900	for (i = 0; i < ins->nscb; ++i) {
 901		if (ins->scbs[i].deleted) continue;
 902		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
 903	}
 904	mutex_unlock(&chip->spos_mutex);
 905
 906	snd_info_free_entry(ins->proc_dsp_dir);
 907	ins->proc_dsp_dir = NULL;
 908
 909	return 0;
 910}
 911#endif /* CONFIG_PROC_FS */
 912
 913static int debug_tree;
 914static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
 915				   u32  dest, int size)
 916{
 917	void __iomem *spdst = chip->region.idx[1].remap_addr + 
 918		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
 919	int i;
 920
 921	for (i = 0; i < size; ++i) {
 922		if (debug_tree) printk ("addr %p, val %08x\n",spdst,task_data[i]);
 923		writel(task_data[i],spdst);
 924		spdst += sizeof(u32);
 925	}
 926}
 927
 928static int debug_scb;
 929static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
 930{
 931	void __iomem *spdst = chip->region.idx[1].remap_addr + 
 932		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
 933	int i;
 934
 935	for (i = 0; i < 0x10; ++i) {
 936		if (debug_scb) printk ("addr %p, val %08x\n",spdst,scb_data[i]);
 937		writel(scb_data[i],spdst);
 938		spdst += sizeof(u32);
 939	}
 940}
 941
 942static int find_free_scb_index (struct dsp_spos_instance * ins)
 943{
 944	int index = ins->nscb, i;
 945
 946	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
 947		if (ins->scbs[i].deleted) {
 948			index = i;
 949			break;
 950		}
 951	}
 952
 953	return index;
 954}
 955
 956static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
 957{
 958	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 959	struct dsp_scb_descriptor * desc = NULL;
 960	int index;
 961
 962	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
 963		snd_printk(KERN_ERR "dsp_spos: got no place for other SCB\n");
 964		return NULL;
 965	}
 966
 967	index = find_free_scb_index (ins);
 968
 969	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
 970	strcpy(ins->scbs[index].scb_name, name);
 971	ins->scbs[index].address = dest;
 972	ins->scbs[index].index = index;
 973	ins->scbs[index].ref_count = 1;
 974
 975	desc = (ins->scbs + index);
 976	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
 977
 978	if (index > ins->scb_highest_frag_index)
 979		ins->scb_highest_frag_index = index;
 980
 981	if (index == ins->nscb)
 982		ins->nscb++;
 983
 984	return desc;
 985}
 986
 987static struct dsp_task_descriptor *
 988_map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
 989{
 990	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 991	struct dsp_task_descriptor * desc = NULL;
 992
 993	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
 994		snd_printk(KERN_ERR "dsp_spos: got no place for other TASK\n");
 995		return NULL;
 996	}
 997
 998	if (name)
 999		strcpy(ins->tasks[ins->ntask].task_name, name);
1000	else
1001		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1002	ins->tasks[ins->ntask].address = dest;
1003	ins->tasks[ins->ntask].size = size;
1004
1005	/* quick find in list */
1006	ins->tasks[ins->ntask].index = ins->ntask;
1007	desc = (ins->tasks + ins->ntask);
1008	ins->ntask++;
1009
1010	if (name)
1011		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1012	return desc;
1013}
1014
1015#define SCB_BYTES	(0x10 * 4)
1016
1017struct dsp_scb_descriptor *
1018cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1019{
1020	struct dsp_scb_descriptor * desc;
1021
1022#ifdef CONFIG_PM
1023	/* copy the data for resume */
1024	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1025	if (!scb_data)
1026		return NULL;
1027#endif
1028
1029	desc = _map_scb (chip,name,dest);
1030	if (desc) {
1031		desc->data = scb_data;
1032		_dsp_create_scb(chip,scb_data,dest);
1033	} else {
1034		snd_printk(KERN_ERR "dsp_spos: failed to map SCB\n");
1035#ifdef CONFIG_PM
1036		kfree(scb_data);
1037#endif
1038	}
1039
1040	return desc;
1041}
1042
1043
1044static struct dsp_task_descriptor *
1045cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1046			     u32 dest, int size)
1047{
1048	struct dsp_task_descriptor * desc;
1049
1050	desc = _map_task_tree (chip,name,dest,size);
1051	if (desc) {
1052		desc->data = task_data;
1053		_dsp_create_task_tree(chip,task_data,dest,size);
1054	} else {
1055		snd_printk(KERN_ERR "dsp_spos: failed to map TASK\n");
1056	}
1057
1058	return desc;
1059}
1060
1061int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1062{
1063	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1064	struct dsp_symbol_entry * fg_task_tree_header_code;
1065	struct dsp_symbol_entry * task_tree_header_code;
1066	struct dsp_symbol_entry * task_tree_thread;
1067	struct dsp_symbol_entry * null_algorithm;
1068	struct dsp_symbol_entry * magic_snoop_task;
1069
1070	struct dsp_scb_descriptor * timing_master_scb;
1071	struct dsp_scb_descriptor * codec_out_scb;
1072	struct dsp_scb_descriptor * codec_in_scb;
1073	struct dsp_scb_descriptor * src_task_scb;
1074	struct dsp_scb_descriptor * master_mix_scb;
1075	struct dsp_scb_descriptor * rear_mix_scb;
1076	struct dsp_scb_descriptor * record_mix_scb;
1077	struct dsp_scb_descriptor * write_back_scb;
1078	struct dsp_scb_descriptor * vari_decimate_scb;
1079	struct dsp_scb_descriptor * rear_codec_out_scb;
1080	struct dsp_scb_descriptor * clfe_codec_out_scb;
1081	struct dsp_scb_descriptor * magic_snoop_scb;
1082	
1083	int fifo_addr, fifo_span, valid_slots;
1084
1085	static struct dsp_spos_control_block sposcb = {
1086		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1087		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1088		/* 2 */ DSP_SPOS_DC,0,
1089		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1090		/* 4 */ 0,0,
1091		/* 5 */ DSP_SPOS_UU,0,
1092		/* 6 */ FG_TASK_HEADER_ADDR,0,
1093		/* 7 */ 0,0,
1094		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1095		/* 9 */ 0,
1096		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1097		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1098		/* C */ DSP_SPOS_DC_DC,
1099		/* D */ DSP_SPOS_DC_DC,
1100		/* E */ DSP_SPOS_DC_DC,
1101		/* F */ DSP_SPOS_DC_DC
1102	};
1103
1104	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1105
1106	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1107	if (null_algorithm == NULL) {
1108		snd_printk(KERN_ERR "dsp_spos: symbol NULLALGORITHM not found\n");
1109		return -EIO;
1110	}
1111
1112	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);  
1113	if (fg_task_tree_header_code == NULL) {
1114		snd_printk(KERN_ERR "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1115		return -EIO;
1116	}
1117
1118	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);  
1119	if (task_tree_header_code == NULL) {
1120		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1121		return -EIO;
1122	}
1123  
1124	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1125	if (task_tree_thread == NULL) {
1126		snd_printk(KERN_ERR "dsp_spos: symbol TASKTREETHREAD not found\n");
1127		return -EIO;
1128	}
1129
1130	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1131	if (magic_snoop_task == NULL) {
1132		snd_printk(KERN_ERR "dsp_spos: symbol MAGICSNOOPTASK not found\n");
1133		return -EIO;
1134	}
1135  
1136	{
1137		/* create the null SCB */
1138		static struct dsp_generic_scb null_scb = {
1139			{ 0, 0, 0, 0 },
1140			{ 0, 0, 0, 0, 0 },
1141			NULL_SCB_ADDR, NULL_SCB_ADDR,
1142			0, 0, 0, 0, 0,
1143			{
1144				0,0,
1145				0,0,
1146			}
1147		};
1148
1149		null_scb.entry_point = null_algorithm->address;
1150		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1151		ins->the_null_scb->task_entry = null_algorithm;
1152		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1153		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1154		ins->the_null_scb->parent_scb_ptr = NULL;
1155		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1156	}
1157
1158	{
1159		/* setup foreground task tree */
1160		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1161			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1162			  DSP_SPOS_DC_DC,
1163			  DSP_SPOS_DC_DC,
1164			  0x0000,DSP_SPOS_DC,
1165			  DSP_SPOS_DC, DSP_SPOS_DC,
1166			  DSP_SPOS_DC_DC,
1167			  DSP_SPOS_DC_DC,
1168			  DSP_SPOS_DC_DC,
1169			  DSP_SPOS_DC,DSP_SPOS_DC },
1170    
1171			{
1172				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR, 
1173				0,
1174				FG_TASK_HEADER_ADDR + TCBData,                  
1175			},
1176
1177			{    
1178				4,0,
1179				1,0,
1180				2,SPOSCB_ADDR + HFGFlags,
1181				0,0,
1182				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1183			},
1184
1185			{
1186				DSP_SPOS_DC,0,
1187				DSP_SPOS_DC,DSP_SPOS_DC,
1188				DSP_SPOS_DC,DSP_SPOS_DC,
1189				DSP_SPOS_DC,DSP_SPOS_DC,
1190				DSP_SPOS_DC,DSP_SPOS_DC,
1191				DSP_SPOS_DCDC,
1192				DSP_SPOS_UU,1,
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				DSP_SPOS_DCDC,
1218				DSP_SPOS_DCDC,
1219				DSP_SPOS_DCDC,
1220				DSP_SPOS_DCDC 
1221			},                                               
1222			{ 
1223				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1224				0,0
1225			}
1226		};
1227
1228		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1229		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1230		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1231	}
1232
1233
1234	{
1235		/* setup foreground task tree */
1236		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1237			{ DSP_SPOS_DC_DC,
1238			  DSP_SPOS_DC_DC,
1239			  DSP_SPOS_DC_DC,
1240			  DSP_SPOS_DC, DSP_SPOS_DC,
1241			  DSP_SPOS_DC, DSP_SPOS_DC,
1242			  DSP_SPOS_DC_DC,
1243			  DSP_SPOS_DC_DC,
1244			  DSP_SPOS_DC_DC,
1245			  DSP_SPOS_DC,DSP_SPOS_DC },
1246    
1247			{
1248				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1249				0,
1250				BG_TREE_SCB_ADDR + TCBData,
1251			},
1252
1253			{    
1254				9999,0,
1255				0,1,
1256				0,SPOSCB_ADDR + HFGFlags,
1257				0,0,
1258				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1259			},
1260
1261			{
1262				DSP_SPOS_DC,0,
1263				DSP_SPOS_DC,DSP_SPOS_DC,
1264				DSP_SPOS_DC,DSP_SPOS_DC,
1265				DSP_SPOS_DC,DSP_SPOS_DC,
1266				DSP_SPOS_DC,DSP_SPOS_DC,
1267				DSP_SPOS_DCDC,
1268				DSP_SPOS_UU,1,
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				DSP_SPOS_DCDC,
1294				DSP_SPOS_DCDC,
1295				DSP_SPOS_DCDC,
1296				DSP_SPOS_DCDC 
1297			},                                               
1298			{ 
1299				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1300				0,0
1301			}
1302		};
1303
1304		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1305		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1306		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1307	}
1308
1309	/* create timing master SCB */
1310	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1311
1312	/* create the CODEC output task */
1313	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1314							MASTERMIX_SCB_ADDR,
1315							CODECOUT_SCB_ADDR,timing_master_scb,
1316							SCB_ON_PARENT_SUBLIST_SCB);
1317
1318	if (!codec_out_scb) goto _fail_end;
1319	/* create the master mix SCB */
1320	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1321							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1322							codec_out_scb,
1323							SCB_ON_PARENT_SUBLIST_SCB);
1324	ins->master_mix_scb = master_mix_scb;
1325
1326	if (!master_mix_scb) goto _fail_end;
1327
1328	/* create codec in */
1329	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1330						      CODEC_INPUT_BUF1,
1331						      CODECIN_SCB_ADDR,codec_out_scb,
1332						      SCB_ON_PARENT_NEXT_SCB);
1333	if (!codec_in_scb) goto _fail_end;
1334	ins->codec_in_scb = codec_in_scb;
1335
1336	/* create write back scb */
1337	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1338							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1339							      WRITEBACK_SCB_ADDR,
1340							      timing_master_scb,
1341							      SCB_ON_PARENT_NEXT_SCB);
1342	if (!write_back_scb) goto _fail_end;
1343
1344	{
1345		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1346			0x00020000,
1347			0x0000ffff
1348		};
1349    
1350		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1351						 (u32 *)&mix2_ostream_spb,
1352						 WRITE_BACK_SPB, 2))
1353			goto _fail_end;
1354	}
1355
1356	/* input sample converter */
1357	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1358								VARI_DECIMATE_BUF0,
1359								VARI_DECIMATE_BUF1,
1360								VARIDECIMATE_SCB_ADDR,
1361								write_back_scb,
1362								SCB_ON_PARENT_SUBLIST_SCB);
1363	if (!vari_decimate_scb) goto _fail_end;
1364
1365	/* create the record mixer SCB */
1366	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1367							MIX_SAMPLE_BUF2,
1368							RECORD_MIXER_SCB_ADDR,
1369							vari_decimate_scb,
1370							SCB_ON_PARENT_SUBLIST_SCB);
1371	ins->record_mixer_scb = record_mix_scb;
1372
1373	if (!record_mix_scb) goto _fail_end;
1374
1375	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1376
1377	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1378		goto _fail_end;
1379
1380	if (chip->nr_ac97_codecs == 1) {
1381		/* output on slot 5 and 11 
1382		   on primary CODEC */
1383		fifo_addr = 0x20;
1384		fifo_span = 0x60;
1385
1386		/* enable slot 5 and 11 */
1387		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1388	} else {
1389		/* output on slot 7 and 8 
1390		   on secondary CODEC */
1391		fifo_addr = 0x40;
1392		fifo_span = 0x10;
1393
1394		/* enable slot 7 and 8 */
1395		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1396	}
1397	/* create CODEC tasklet for rear speakers output*/
1398	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1399							     REAR_MIXER_SCB_ADDR,
1400							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1401							     SCB_ON_PARENT_NEXT_SCB);
1402	if (!rear_codec_out_scb) goto _fail_end;
1403	
1404	
1405	/* create the rear PCM channel  mixer SCB */
1406	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1407						      MIX_SAMPLE_BUF3,
1408						      REAR_MIXER_SCB_ADDR,
1409						      rear_codec_out_scb,
1410						      SCB_ON_PARENT_SUBLIST_SCB);
1411	ins->rear_mix_scb = rear_mix_scb;
1412	if (!rear_mix_scb) goto _fail_end;
1413	
1414	if (chip->nr_ac97_codecs == 2) {
1415		/* create CODEC tasklet for rear Center/LFE output 
1416		   slot 6 and 9 on seconadry CODEC */
1417		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1418								     CLFE_MIXER_SCB_ADDR,
1419								     CLFE_CODEC_SCB_ADDR,
1420								     rear_codec_out_scb,
1421								     SCB_ON_PARENT_NEXT_SCB);
1422		if (!clfe_codec_out_scb) goto _fail_end;
1423		
1424		
1425		/* create the rear PCM channel  mixer SCB */
1426		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1427									 MIX_SAMPLE_BUF4,
1428									 CLFE_MIXER_SCB_ADDR,
1429									 clfe_codec_out_scb,
1430									 SCB_ON_PARENT_SUBLIST_SCB);
1431		if (!ins->center_lfe_mix_scb) goto _fail_end;
1432
1433		/* enable slot 6 and 9 */
1434		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1435	} else {
1436		clfe_codec_out_scb = rear_codec_out_scb;
1437		ins->center_lfe_mix_scb = rear_mix_scb;
1438	}
1439
1440	/* enable slots depending on CODEC configuration */
1441	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1442
1443	/* the magic snooper */
1444	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1445							     OUTPUT_SNOOP_BUFFER,
1446							     codec_out_scb,
1447							     clfe_codec_out_scb,
1448							     SCB_ON_PARENT_NEXT_SCB);
1449
1450    
1451	if (!magic_snoop_scb) goto _fail_end;
1452	ins->ref_snoop_scb = magic_snoop_scb;
1453
1454	/* SP IO access */
1455	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1456					      magic_snoop_scb,
1457					      SCB_ON_PARENT_NEXT_SCB))
1458		goto _fail_end;
1459
1460	/* SPDIF input sampel rate converter */
1461	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1462						      ins->spdif_in_sample_rate,
1463						      SRC_OUTPUT_BUF1,
1464						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1465						      master_mix_scb,
1466						      SCB_ON_PARENT_SUBLIST_SCB,1);
1467
1468	if (!src_task_scb) goto _fail_end;
1469	cs46xx_src_unlink(chip,src_task_scb);
1470
1471	/* NOTE: when we now how to detect the SPDIF input
1472	   sample rate we will use this SRC to adjust it */
1473	ins->spdif_in_src = src_task_scb;
1474
1475	cs46xx_dsp_async_init(chip,timing_master_scb);
1476	return 0;
1477
1478 _fail_end:
1479	snd_printk(KERN_ERR "dsp_spos: failed to setup SCB's in DSP\n");
1480	return -EINVAL;
1481}
1482
1483static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1484				  struct dsp_scb_descriptor * fg_entry)
1485{
1486	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1487	struct dsp_symbol_entry * s16_async_codec_input_task;
1488	struct dsp_symbol_entry * spdifo_task;
1489	struct dsp_symbol_entry * spdifi_task;
1490	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1491
1492	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1493	if (s16_async_codec_input_task == NULL) {
1494		snd_printk(KERN_ERR "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1495		return -EIO;
1496	}
1497	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1498	if (spdifo_task == NULL) {
1499		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFOTASK not found\n");
1500		return -EIO;
1501	}
1502
1503	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1504	if (spdifi_task == NULL) {
1505		snd_printk(KERN_ERR "dsp_spos: symbol SPDIFITASK not found\n");
1506		return -EIO;
1507	}
1508
1509	{
1510		/* 0xBC0 */
1511		struct dsp_spdifoscb spdifo_scb = {
1512			/* 0 */ DSP_SPOS_UUUU,
1513			{
1514				/* 1 */ 0xb0, 
1515				/* 2 */ 0, 
1516				/* 3 */ 0, 
1517				/* 4 */ 0, 
1518			},
1519			/* NOTE: the SPDIF output task read samples in mono
1520			   format, the AsynchFGTxSCB task writes to buffer
1521			   in stereo format
1522			*/
1523			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1524			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1525			/* 7 */ 0,0, 
1526			/* 8 */ 0, 
1527			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR, 
1528			/* A */ spdifo_task->address,
1529			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1530			{
1531				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1532				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1533			},
1534			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1535			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1536			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1537		};
1538
1539		/* 0xBB0 */
1540		struct dsp_spdifiscb spdifi_scb = {
1541			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1542			/* 1 */ 0,
1543			/* 2 */ 0,
1544			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */ 
1545			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1546			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1547			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1548			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1549			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1550			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1551			/* A */ spdifi_task->address,
1552			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1553			/* NOTE: The SPDIF input task write the sample in mono
1554			   format from the HW FIFO, the AsynchFGRxSCB task  reads 
1555			   them in stereo 
1556			*/
1557			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1558			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1559			/* D */ 0x8048,0,
1560			/* E */ 0x01f0,0x0001,
1561			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1562		};
1563
1564		/* 0xBA0 */
1565		struct dsp_async_codec_input_scb async_codec_input_scb = {
1566			/* 0 */ DSP_SPOS_UUUU,
1567			/* 1 */ 0,
1568			/* 2 */ 0,
1569			/* 3 */ 1,4000,
1570			/* 4 */ 0x0118,0x0001,
1571			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1572			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1573			/* 7 */ DSP_SPOS_UU,0x3,
1574			/* 8 */ DSP_SPOS_UUUU,
1575			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1576			/* A */ s16_async_codec_input_task->address,
1577			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1578              
1579			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1580			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1581      
1582#ifdef UseASER1Input
1583			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;	       
1584			   Init. 0000:8042: for ASER1
1585			   0000:8044: for ASER2 */
1586			/* D */ 0x8042,0,
1587      
1588			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1589			   Init 1 stero:8050 ASER1
1590			   Init 0  mono:8070 ASER2
1591			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1592			/* E */ 0x0100,0x0001,
1593      
1594#endif
1595      
1596#ifdef UseASER2Input
1597			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1598			   Init. 0000:8042: for ASER1
1599			   0000:8044: for ASER2 */
1600			/* D */ 0x8044,0,
1601      
1602			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1603			   Init 1 stero:8050 ASER1
1604			   Init 0  mono:8070 ASER2
1605			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1606			/* E */ 0x0110,0x0001,
1607      
1608#endif
1609      
1610			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1611			   AsyncCIOutputBufModulo: The modulo size for   
1612			   the output buffer of this task */
1613			/* F */ 0, /* DSP_SPOS_UUUU */
1614		};
1615
1616		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1617
1618		if (snd_BUG_ON(!spdifo_scb_desc))
1619			return -EIO;
1620		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1621		if (snd_BUG_ON(!spdifi_scb_desc))
1622			return -EIO;
1623		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1624		if (snd_BUG_ON(!async_codec_scb_desc))
1625			return -EIO;
1626
1627		async_codec_scb_desc->parent_scb_ptr = NULL;
1628		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1629		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1630		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1631
1632		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1633		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1634		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1635		spdifi_scb_desc->task_entry = spdifi_task;
1636
1637		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1638		spdifo_scb_desc->next_scb_ptr = fg_entry;
1639		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1640		spdifo_scb_desc->task_entry = spdifo_task;
1641
1642		/* this one is faked, as the parnet of SPDIFO task
1643		   is the FG task tree */
1644		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1645
1646		/* for proc fs */
1647		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1648		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1649		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1650
1651		/* Async MASTER ENABLE, affects both SPDIF input and output */
1652		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1653	}
1654
1655	return 0;
1656}
1657
1658static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1659{
1660	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1661
1662	/* set SPDIF output FIFO slot */
1663	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1664
1665	/* SPDIF output MASTER ENABLE */
1666	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1667
1668	/* right and left validate bit */
1669	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1670	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1671
1672	/* clear fifo pointer */
1673	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1674
1675	/* monitor state */
1676	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1677}
1678
1679int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1680{
1681	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1682
1683	/* if hw-ctrl already enabled, turn off to reset logic ... */
1684	cs46xx_dsp_disable_spdif_hw (chip);
1685	udelay(50);
1686
1687	/* set SPDIF output FIFO slot */
1688	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1689
1690	/* SPDIF output MASTER ENABLE */
1691	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1692
1693	/* right and left validate bit */
1694	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1695
1696	/* monitor state */
1697	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1698
1699	return 0;
1700}
1701
1702int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1703{
1704	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1705
1706	/* turn on amplifier */
1707	chip->active_ctrl(chip, 1);
1708	chip->amplifier_ctrl(chip, 1);
1709
1710	if (snd_BUG_ON(ins->asynch_rx_scb))
1711		return -EINVAL;
1712	if (snd_BUG_ON(!ins->spdif_in_src))
1713		return -EINVAL;
1714
1715	mutex_lock(&chip->spos_mutex);
1716
1717	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1718		/* time countdown enable */
1719		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1720		/* NOTE: 80000005 value is just magic. With all values
1721		   that I've tested this one seem to give the best result.
1722		   Got no explication why. (Benny) */
1723
1724		/* SPDIF input MASTER ENABLE */
1725		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1726
1727		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1728	}
1729
1730	/* create and start the asynchronous receiver SCB */
1731	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1732								ASYNCRX_SCB_ADDR,
1733								SPDIFI_SCB_INST,
1734								SPDIFI_IP_OUTPUT_BUFFER1,
1735								ins->spdif_in_src,
1736								SCB_ON_PARENT_SUBLIST_SCB);
1737
1738	spin_lock_irq(&chip->reg_lock);
1739
1740	/* reset SPDIF input sample buffer pointer */
1741	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1742	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1743
1744	/* reset FIFO ptr */
1745	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1746	cs46xx_src_link(chip,ins->spdif_in_src);
1747
1748	/* unmute SRC volume */
1749	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1750
1751	spin_unlock_irq(&chip->reg_lock);
1752
1753	/* set SPDIF input sample rate and unmute
1754	   NOTE: only 48khz support for SPDIF input this time */
1755	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1756
1757	/* monitor state */
1758	ins->spdif_status_in = 1;
1759	mutex_unlock(&chip->spos_mutex);
1760
1761	return 0;
1762}
1763
1764int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1765{
1766	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1767
1768	if (snd_BUG_ON(!ins->asynch_rx_scb))
1769		return -EINVAL;
1770	if (snd_BUG_ON(!ins->spdif_in_src))
1771		return -EINVAL;
1772
1773	mutex_lock(&chip->spos_mutex);
1774
1775	/* Remove the asynchronous receiver SCB */
1776	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1777	ins->asynch_rx_scb = NULL;
1778
1779	cs46xx_src_unlink(chip,ins->spdif_in_src);
1780
1781	/* monitor state */
1782	ins->spdif_status_in = 0;
1783	mutex_unlock(&chip->spos_mutex);
1784
1785	/* restore amplifier */
1786	chip->active_ctrl(chip, -1);
1787	chip->amplifier_ctrl(chip, -1);
1788
1789	return 0;
1790}
1791
1792int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1793{
1794	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1795
1796	if (snd_BUG_ON(ins->pcm_input))
1797		return -EINVAL;
1798	if (snd_BUG_ON(!ins->ref_snoop_scb))
1799		return -EINVAL;
1800
1801	mutex_lock(&chip->spos_mutex);
1802	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1803                                                  "PCMSerialInput_Wave");
1804	mutex_unlock(&chip->spos_mutex);
1805
1806	return 0;
1807}
1808
1809int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1810{
1811	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1812
1813	if (snd_BUG_ON(!ins->pcm_input))
1814		return -EINVAL;
1815
1816	mutex_lock(&chip->spos_mutex);
1817	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1818	ins->pcm_input = NULL;
1819	mutex_unlock(&chip->spos_mutex);
1820
1821	return 0;
1822}
1823
1824int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1825{
1826	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1827
1828	if (snd_BUG_ON(ins->adc_input))
1829		return -EINVAL;
1830	if (snd_BUG_ON(!ins->codec_in_scb))
1831		return -EINVAL;
1832
1833	mutex_lock(&chip->spos_mutex);
1834	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1835						  "PCMSerialInput_ADC");
1836	mutex_unlock(&chip->spos_mutex);
1837
1838	return 0;
1839}
1840
1841int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1842{
1843	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1844
1845	if (snd_BUG_ON(!ins->adc_input))
1846		return -EINVAL;
1847
1848	mutex_lock(&chip->spos_mutex);
1849	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1850	ins->adc_input = NULL;
1851	mutex_unlock(&chip->spos_mutex);
1852
1853	return 0;
1854}
1855
1856int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1857{
1858	u32 temp;
1859	int  i;
1860
1861	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1862	   a rough guess from looking at the controller spec.) */
1863	if (address < 0x8000 || address >= 0x9000)
1864		return -EINVAL;
1865        
1866	/* initialize the SP_IO_WRITE SCB with the data. */
1867	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1868
1869	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1870	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1871	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1872    
1873	/* Poke this location to tell the task to start */
1874	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1875
1876	/* Verify that the task ran */
1877	for (i=0; i<25; i++) {
1878		udelay(125);
1879
1880		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1881		if (temp == 0x00000000)
1882			break;
1883	}
1884
1885	if (i == 25) {
1886		snd_printk(KERN_ERR "dsp_spos: SPIOWriteTask not responding\n");
1887		return -EBUSY;
1888	}
1889
1890	return 0;
1891}
1892
1893int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1894{
1895	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1896	struct dsp_scb_descriptor * scb; 
1897
1898	mutex_lock(&chip->spos_mutex);
1899	
1900	/* main output */
1901	scb = ins->master_mix_scb->sub_list_ptr;
1902	while (scb != ins->the_null_scb) {
1903		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1904		scb = scb->next_scb_ptr;
1905	}
1906
1907	/* rear output */
1908	scb = ins->rear_mix_scb->sub_list_ptr;
1909	while (scb != ins->the_null_scb) {
1910		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1911		scb = scb->next_scb_ptr;
1912	}
1913
1914	ins->dac_volume_left = left;
1915	ins->dac_volume_right = right;
1916
1917	mutex_unlock(&chip->spos_mutex);
1918
1919	return 0;
1920}
1921
1922int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1923{
1924	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1925
1926	mutex_lock(&chip->spos_mutex);
1927
1928	if (ins->asynch_rx_scb != NULL)
1929		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1930					   left,right);
1931
1932	ins->spdif_input_volume_left = left;
1933	ins->spdif_input_volume_right = right;
1934
1935	mutex_unlock(&chip->spos_mutex);
1936
1937	return 0;
1938}
1939
1940#ifdef CONFIG_PM
1941int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1942{
1943	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1944	int i, err;
1945
1946	/* clear parameter, sample and code areas */
1947	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1948			     DSP_PARAMETER_BYTE_SIZE);
1949	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1950			     DSP_SAMPLE_BYTE_SIZE);
1951	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1952
1953	for (i = 0; i < ins->nmodules; i++) {
1954		struct dsp_module_desc *module = &ins->modules[i];
1955		struct dsp_segment_desc *seg;
1956		u32 doffset, dsize;
1957
1958		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1959		err = dsp_load_parameter(chip, seg);
1960		if (err < 0)
1961			return err;
1962
1963		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1964		err = dsp_load_sample(chip, seg);
1965		if (err < 0)
1966			return err;
1967
1968		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1969		if (!seg)
1970			continue;
1971
1972		doffset = seg->offset * 4 + module->load_address * 4
1973			+ DSP_CODE_BYTE_OFFSET;
1974		dsize   = seg->size * 4;
1975		err = snd_cs46xx_download(chip,
1976					  ins->code.data + module->load_address,
1977					  doffset, dsize);
1978		if (err < 0)
1979			return err;
1980	}
1981
1982	for (i = 0; i < ins->ntask; i++) {
1983		struct dsp_task_descriptor *t = &ins->tasks[i];
1984		_dsp_create_task_tree(chip, t->data, t->address, t->size);
1985	}
1986
1987	for (i = 0; i < ins->nscb; i++) {
1988		struct dsp_scb_descriptor *s = &ins->scbs[i];
1989		if (s->deleted)
1990			continue;
1991		_dsp_create_scb(chip, s->data, s->address);
1992	}
1993	for (i = 0; i < ins->nscb; i++) {
1994		struct dsp_scb_descriptor *s = &ins->scbs[i];
1995		if (s->deleted)
1996			continue;
1997		if (s->updated)
1998			cs46xx_dsp_spos_update_scb(chip, s);
1999		if (s->volume_set)
2000			cs46xx_dsp_scb_set_volume(chip, s,
2001						  s->volume[0], s->volume[1]);
2002	}
2003	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2004		cs46xx_dsp_enable_spdif_hw(chip);
2005		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2006				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2007		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2008			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2009					    ins->spdif_csuv_stream);
2010	}
2011	if (chip->dsp_spos_instance->spdif_status_in) {
2012		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2013		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2014	}
2015	return 0;
2016}
2017#endif