sound/pci/cs46xx/dsp_spos.c

   1 /*
   2  *   This program is free software; you can redistribute it and/or modify
   3  *   it under the terms of the GNU General Public License as published by
   4  *   the Free Software Foundation; either version 2 of the License, or
   5  *   (at your option) any later version.
   6  *
   7  *   This program is distributed in the hope that it will be useful,
   8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *   GNU General Public License for more details.
  11  *
  12  *   You should have received a copy of the GNU General Public License
  13  *   along with this program; if not, write to the Free Software
  14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  15  *
  16  */
  17
  18 /*
  19  * 2002-07 Benny Sjostrand benny@hostmobility.com
  20  */
  21
  22
  23 #include <sound/driver.h>
  24 #include <asm/io.h>
  25 #include <linux/delay.h>
  26 #include <linux/pci.h>
  27 #include <linux/pm.h>
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <linux/vmalloc.h>
  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 (cs46xx_t *chip, dsp_scb_descriptor_t * fg_entry);
  41
  42 static wide_opcode_t wide_opcodes[] = {
  43         WIDE_FOR_BEGIN_LOOP,
  44         WIDE_FOR_BEGIN_LOOP2,
  45         WIDE_COND_GOTO_ADDR,
  46         WIDE_COND_GOTO_CALL,
  47         WIDE_TBEQ_COND_GOTO_ADDR,
  48         WIDE_TBEQ_COND_CALL_ADDR,
  49         WIDE_TBEQ_NCOND_GOTO_ADDR,
  50         WIDE_TBEQ_NCOND_CALL_ADDR,
  51         WIDE_TBEQ_COND_GOTO1_ADDR,
  52         WIDE_TBEQ_COND_CALL1_ADDR,
  53         WIDE_TBEQ_NCOND_GOTOI_ADDR,
  54         WIDE_TBEQ_NCOND_CALL1_ADDR
  55 };
  56
  57 static int shadow_and_reallocate_code (cs46xx_t * chip,u32 * data,u32 size, u32 overlay_begin_address)
  58 {
  59         unsigned int i = 0, j, nreallocated = 0;
  60         u32 hival,loval,address;
  61         u32 mop_operands,mop_type,wide_op;
  62         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
  63
  64         snd_assert( ((size % 2) == 0), return -EINVAL);
  65
  66         while (i < size) {
  67                 loval = data[i++];
  68                 hival = data[i++];
  69
  70                 if (ins->code.offset > 0) {
  71                         mop_operands = (hival >> 6) & 0x03fff;
  72                         mop_type = mop_operands >> 10;
  73
  74                         /* check for wide type instruction */
  75                         if (mop_type == 0 &&
  76                             (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
  77                             (mop_operands & WIDE_INSTR_MASK) != 0) {
  78                                 wide_op = loval & 0x7f;
  79                                 for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
  80                                         if (wide_opcodes[j] == wide_op) {
  81                                                 /* need to reallocate instruction */
  82                                                 address  = (hival & 0x00FFF) << 5;
  83                                                 address |=  loval >> 15;
  84
  85                                                 snd_printdd("handle_wideop[1]: %05x:%05x addr %04x\n",hival,loval,address);
  86
  87                                                 if ( !(address & 0x8000) ) {
  88                                                         address += (ins->code.offset / 2) - overlay_begin_address;
  89                                                 } else {
  90                                                         snd_printdd("handle_wideop[1]: ROM symbol not reallocated\n");
  91                                                 }
  92
  93                                                 hival &= 0xFF000;
  94                                                 loval &= 0x07FFF;
  95
  96                                                 hival |= ( (address >> 5)  & 0x00FFF);
  97                                                 loval |= ( (address << 15) & 0xF8000);
  98
  99                                                 address  = (hival & 0x00FFF) << 5;
 100                                                 address |=  loval >> 15;
 101
 102                                                 snd_printdd("handle_wideop:[2] %05x:%05x addr %04x\n",hival,loval,address);
 103                                                 nreallocated ++;
 104                                         } /* wide_opcodes[j] == wide_op */
 105                                 } /* for */
 106                         } /* mod_type == 0 ... */
 107                 } /* ins->code.offset > 0 */
 108
 109                 ins->code.data[ins->code.size++] = loval;
 110                 ins->code.data[ins->code.size++] = hival;
 111         }
 112
 113         snd_printdd("dsp_spos: %d instructions reallocated\n",nreallocated);
 114         return nreallocated;
 115 }
 116
 117 static segment_desc_t * get_segment_desc (dsp_module_desc_t * module, int seg_type)
 118 {
 119         int i;
 120         for (i = 0;i < module->nsegments; ++i) {
 121                 if (module->segments[i].segment_type == seg_type) {
 122                         return (module->segments + i);
 123                 }
 124         }
 125
 126         return NULL;
 127 };
 128
 129 static int find_free_symbol_index (dsp_spos_instance_t * ins)
 130 {
 131         int index = ins->symbol_table.nsymbols,i;
 132
 133         for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
 134                 if (ins->symbol_table.symbols[i].deleted) {
 135                         index = i;
 136                         break;
 137                 }
 138         }
 139
 140         return index;
 141 }
 142
 143 static int add_symbols (cs46xx_t * chip, dsp_module_desc_t * module)
 144 {
 145         int i;
 146         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 147
 148         if (module->symbol_table.nsymbols > 0) {
 149                 if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
 150                     module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
 151                         module->overlay_begin_address = module->symbol_table.symbols[0].address;
 152                 }
 153         }
 154
 155         for (i = 0;i < module->symbol_table.nsymbols; ++i) {
 156                 if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
 157                         snd_printk(KERN_ERR "dsp_spos: symbol table is full\n");
 158                         return -ENOMEM;
 159                 }
 160
 161
 162                 if (cs46xx_dsp_lookup_symbol(chip,
 163                                              module->symbol_table.symbols[i].symbol_name,
 164                                              module->symbol_table.symbols[i].symbol_type) == NULL) {
 165
 166                         ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
 167                         ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
 168                         ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
 169                         ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
 170
 171                         if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
 172                                 ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
 173
 174                         ins->symbol_table.nsymbols++;
 175                 } else {
 176           /* if (0) printk ("dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
 177                              module->symbol_table.symbols[i].symbol_name); */
 178                 }
 179         }
 180
 181         return 0;
 182 }
 183
 184 static symbol_entry_t * add_symbol (cs46xx_t * chip, char * symbol_name, u32 address, int type)
 185 {
 186         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 187         symbol_entry_t * symbol = NULL;
 188         int index;
 189
 190         if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
 191                 snd_printk(KERN_ERR "dsp_spos: symbol table is full\n");
 192                 return NULL;
 193         }
 194
 195         if (cs46xx_dsp_lookup_symbol(chip,
 196                                      symbol_name,
 197                                      type) != NULL) {
 198                 snd_printk(KERN_ERR "dsp_spos: symbol <%s> duplicated\n", symbol_name);
 199                 return NULL;
 200         }
 201
 202         index = find_free_symbol_index (ins);
 203
 204         strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
 205         ins->symbol_table.symbols[index].address = address;
 206         ins->symbol_table.symbols[index].symbol_type = type;
 207         ins->symbol_table.symbols[index].module = NULL;
 208         ins->symbol_table.symbols[index].deleted = 0;
 209         symbol = (ins->symbol_table.symbols + index);
 210
 211         if (index > ins->symbol_table.highest_frag_index)
 212                 ins->symbol_table.highest_frag_index = index;
 213
 214         if (index == ins->symbol_table.nsymbols)
 215                 ins->symbol_table.nsymbols++; /* no frag. in list */
 216
 217         return symbol;
 218 }
 219
 220 dsp_spos_instance_t *  cs46xx_dsp_spos_create (cs46xx_t * chip)
 221 {
 222         dsp_spos_instance_t * ins = kmalloc(sizeof(dsp_spos_instance_t), GFP_KERNEL);
 223
 224         if (ins == NULL)
 225                 return NULL;
 226         memset(ins, 0, sizeof(*ins));
 227
 228         /* better to use vmalloc for this big table */
 229         ins->symbol_table.nsymbols = 0;
 230         ins->symbol_table.symbols = vmalloc(sizeof(symbol_entry_t) * DSP_MAX_SYMBOLS);
 231         ins->symbol_table.highest_frag_index = 0;
 232
 233         if (ins->symbol_table.symbols == NULL) {
 234                 cs46xx_dsp_spos_destroy(chip);
 235                 return NULL;
 236         }
 237
 238         ins->code.offset = 0;
 239         ins->code.size = 0;
 240         ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
 241
 242         if (ins->code.data == NULL) {
 243                 cs46xx_dsp_spos_destroy(chip);
 244                 return NULL;
 245         }
 246
 247         ins->nscb = 0;
 248         ins->ntask = 0;
 249
 250         ins->nmodules = 0;
 251         ins->modules = kmalloc(sizeof(dsp_module_desc_t) * DSP_MAX_MODULES, GFP_KERNEL);
 252
 253         if (ins->modules == NULL) {
 254                 cs46xx_dsp_spos_destroy(chip);
 255                 return NULL;
 256         }
 257
 258         /* default SPDIF input sample rate
 259            to 48000 khz */
 260         ins->spdif_in_sample_rate = 48000;
 261
 262         /* maximize volume */
 263         ins->dac_volume_right = 0x8000;
 264         ins->dac_volume_left = 0x8000;
 265         ins->spdif_input_volume_right = 0x8000;
 266         ins->spdif_input_volume_left = 0x8000;
 267
 268         /* set left and right validity bits and
 269            default channel status */
 270         ins->spdif_csuv_default =
 271                 ins->spdif_csuv_stream =
 272          /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
 273          /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
 274          /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
 275          /* left and right validity bits */ (1 << 13) | (1 << 12);
 276
 277         return ins;
 278 }
 279
 280 void  cs46xx_dsp_spos_destroy (cs46xx_t * chip)
 281 {
 282         int i;
 283         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 284
 285         snd_assert(ins != NULL, return);
 286
 287         down(&chip->spos_mutex);
 288         for (i = 0; i < ins->nscb; ++i) {
 289                 if (ins->scbs[i].deleted) continue;
 290
 291                 cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
 292         }
 293
 294         kfree(ins->code.data);
 295         vfree(ins->symbol_table.symbols);
 296         kfree(ins->modules);
 297         kfree(ins);
 298         up(&chip->spos_mutex);
 299 }
 300
 301 int cs46xx_dsp_load_module (cs46xx_t * chip, dsp_module_desc_t * module)
 302 {
 303         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 304         segment_desc_t * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
 305         segment_desc_t * parameter = get_segment_desc (module,SEGTYPE_SP_PARAMETER);
 306         segment_desc_t * sample = get_segment_desc (module,SEGTYPE_SP_SAMPLE);
 307         u32 doffset, dsize;
 308
 309         if (ins->nmodules == DSP_MAX_MODULES - 1) {
 310                 snd_printk(KERN_ERR "dsp_spos: to many modules loaded into DSP\n");
 311                 return -ENOMEM;
 312         }
 313
 314         snd_printdd("dsp_spos: loading module %s into DSP\n", module->module_name);
 315
 316         if (ins->nmodules == 0) {
 317                 snd_printdd("dsp_spos: clearing parameter area\n");
 318                 snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
 319         }
 320
 321         if (parameter == NULL) {
 322                 snd_printdd("dsp_spos: module got no parameter segment\n");
 323         } else {
 324                 if (ins->nmodules > 0) {
 325                         snd_printk(KERN_WARNING "dsp_spos: WARNING current parameter data may be overwriten!\n");
 326                 }
 327
 328                 doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
 329                 dsize   = parameter->size * 4;
 330
 331                 snd_printdd("dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
 332                             doffset,doffset + dsize);
 333
 334                 if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
 335                         snd_printk(KERN_ERR "dsp_spos: failed to download parameter data to DSP\n");
 336                         return -EINVAL;
 337                 }
 338         }
 339
 340         if (ins->nmodules == 0) {
 341                 snd_printdd("dsp_spos: clearing sample area\n");
 342                 snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
 343         }
 344
 345         if (sample == NULL) {
 346                 snd_printdd("dsp_spos: module got no sample segment\n");
 347         } else {
 348                 if (ins->nmodules > 0) {
 349                         snd_printk(KERN_WARNING "dsp_spos: WARNING current sample data may be overwriten\n");
 350                 }
 351
 352                 doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
 353                 dsize   =  sample->size * 4;
 354
 355                 snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
 356                             doffset,doffset + dsize);
 357
 358                 if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
 359                         snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
 360                         return -EINVAL;
 361                 }
 362         }
 363
 364
 365         if (ins->nmodules == 0) {
 366                 snd_printdd("dsp_spos: clearing code area\n");
 367                 snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
 368         }
 369
 370         if (code == NULL) {
 371                 snd_printdd("dsp_spos: module got no code segment\n");
 372         } else {
 373                 if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
 374                         snd_printk(KERN_ERR "dsp_spos: no space available in DSP\n");
 375                         return -ENOMEM;
 376                 }
 377
 378                 module->load_address = ins->code.offset;
 379                 module->overlay_begin_address = 0x000;
 380
 381                 /* if module has a code segment it must have
 382                    symbol table */
 383                 snd_assert(module->symbol_table.symbols != NULL ,return -ENOMEM);
 384                 if (add_symbols(chip,module)) {
 385                         snd_printk(KERN_ERR "dsp_spos: failed to load symbol table\n");
 386                         return -ENOMEM;
 387                 }
 388
 389                 doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
 390                 dsize   = code->size * 4;
 391                 snd_printdd("dsp_spos: downloading code to chip (%08x-%08x)\n",
 392                             doffset,doffset + dsize);
 393
 394                 module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
 395
 396                 if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
 397                         snd_printk(KERN_ERR "dsp_spos: failed to download code to DSP\n");
 398                         return -EINVAL;
 399                 }
 400
 401                 ins->code.offset += code->size;
 402         }
 403
 404         /* NOTE: module segments and symbol table must be
 405            statically allocated. Case that module data is
 406            not generated by the ospparser */
 407         ins->modules[ins->nmodules] = *module;
 408         ins->nmodules++;
 409
 410         return 0;
 411 }
 412
 413 symbol_entry_t * cs46xx_dsp_lookup_symbol (cs46xx_t * chip, char * symbol_name, int symbol_type)
 414 {
 415         int i;
 416         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 417
 418         for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
 419
 420                 if (ins->symbol_table.symbols[i].deleted)
 421                         continue;
 422
 423                 if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
 424                     ins->symbol_table.symbols[i].symbol_type == symbol_type) {
 425                         return (ins->symbol_table.symbols + i);
 426                 }
 427         }
 428
 429 #if 0
 430         printk ("dsp_spos: symbol <%s> type %02x not found\n",
 431                 symbol_name,symbol_type);
 432 #endif
 433
 434         return NULL;
 435 }
 436
 437
 438 static symbol_entry_t * cs46xx_dsp_lookup_symbol_addr (cs46xx_t * chip, u32 address, int symbol_type)
 439 {
 440         int i;
 441         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 442
 443         for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
 444
 445                 if (ins->symbol_table.symbols[i].deleted)
 446                         continue;
 447
 448                 if (ins->symbol_table.symbols[i].address == address &&
 449                     ins->symbol_table.symbols[i].symbol_type == symbol_type) {
 450                         return (ins->symbol_table.symbols + i);
 451                 }
 452         }
 453
 454
 455         return NULL;
 456 }
 457
 458
 459 static void cs46xx_dsp_proc_symbol_table_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer)
 460 {
 461         cs46xx_t *chip = entry->private_data;
 462         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 463         int i;
 464
 465         snd_iprintf(buffer, "SYMBOLS:\n");
 466         for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
 467                 char *module_str = "system";
 468
 469                 if (ins->symbol_table.symbols[i].deleted)
 470                         continue;
 471
 472                 if (ins->symbol_table.symbols[i].module != NULL) {
 473                         module_str = ins->symbol_table.symbols[i].module->module_name;
 474                 }
 475
 476
 477                 snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
 478                             ins->symbol_table.symbols[i].address,
 479                             ins->symbol_table.symbols[i].symbol_type,
 480                             ins->symbol_table.symbols[i].symbol_name,
 481                             module_str);
 482         }
 483 }
 484
 485
 486 static void cs46xx_dsp_proc_modules_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer)
 487 {
 488         cs46xx_t *chip = entry->private_data;
 489         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 490         int i,j;
 491
 492         down(&chip->spos_mutex);
 493         snd_iprintf(buffer, "MODULES:\n");
 494         for ( i = 0; i < ins->nmodules; ++i ) {
 495                 snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
 496                 snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
 497                 snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
 498
 499                 for (j = 0; j < ins->modules[i].nsegments; ++ j) {
 500                         segment_desc_t * desc = (ins->modules[i].segments + j);
 501                         snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
 502                                     desc->segment_type,desc->offset, desc->size);
 503                 }
 504         }
 505         up(&chip->spos_mutex);
 506 }
 507
 508 static void cs46xx_dsp_proc_task_tree_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer)
 509 {
 510         cs46xx_t *chip = entry->private_data;
 511         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 512         int i,j,col;
 513         void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
 514
 515         down(&chip->spos_mutex);
 516         snd_iprintf(buffer, "TASK TREES:\n");
 517         for ( i = 0; i < ins->ntask; ++i) {
 518                 snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
 519
 520                 for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
 521                         u32 val;
 522                         if (col == 4) {
 523                                 snd_iprintf(buffer,"\n");
 524                                 col = 0;
 525                         }
 526                         val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
 527                         snd_iprintf(buffer,"%08x ",val);
 528                 }
 529         }
 530
 531         snd_iprintf(buffer,"\n");
 532         up(&chip->spos_mutex);
 533 }
 534
 535 static void cs46xx_dsp_proc_scb_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer)
 536 {
 537         cs46xx_t *chip = entry->private_data;
 538         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 539         int i;
 540
 541         down(&chip->spos_mutex);
 542         snd_iprintf(buffer, "SCB's:\n");
 543         for ( i = 0; i < ins->nscb; ++i) {
 544                 if (ins->scbs[i].deleted)
 545                         continue;
 546                 snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
 547
 548                 if (ins->scbs[i].parent_scb_ptr != NULL) {
 549                         snd_iprintf(buffer,"parent [%s:%04x] ",
 550                                     ins->scbs[i].parent_scb_ptr->scb_name,
 551                                     ins->scbs[i].parent_scb_ptr->address);
 552                 } else snd_iprintf(buffer,"parent [none] ");
 553
 554                 snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
 555                             ins->scbs[i].sub_list_ptr->scb_name,
 556                             ins->scbs[i].sub_list_ptr->address,
 557                             ins->scbs[i].next_scb_ptr->scb_name,
 558                             ins->scbs[i].next_scb_ptr->address,
 559                             ins->scbs[i].task_entry->symbol_name,
 560                             ins->scbs[i].task_entry->address);
 561         }
 562
 563         snd_iprintf(buffer,"\n");
 564         up(&chip->spos_mutex);
 565 }
 566
 567 static void cs46xx_dsp_proc_parameter_dump_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer)
 568 {
 569         cs46xx_t *chip = entry->private_data;
 570         /*dsp_spos_instance_t * ins = chip->dsp_spos_instance; */
 571         unsigned int i,col = 0;
 572         void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
 573         symbol_entry_t * symbol;
 574
 575         for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
 576                 if (col == 4) {
 577                         snd_iprintf(buffer,"\n");
 578                         col = 0;
 579                 }
 580
 581                 if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
 582                         col = 0;
 583                         snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
 584                 }
 585
 586                 if (col == 0) {
 587                         snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
 588                 }
 589
 590                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 591         }
 592 }
 593
 594 static void cs46xx_dsp_proc_sample_dump_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer)
 595 {
 596         cs46xx_t *chip = entry->private_data;
 597         int i,col = 0;
 598         void __iomem *dst = chip->region.idx[2].remap_addr;
 599
 600         snd_iprintf(buffer,"PCMREADER:\n");
 601         for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
 602                 if (col == 4) {
 603                         snd_iprintf(buffer,"\n");
 604                         col = 0;
 605                 }
 606
 607                 if (col == 0) {
 608                         snd_iprintf(buffer, "%04X ",i);
 609                 }
 610
 611                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 612         }
 613
 614         snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
 615
 616         col = 0;
 617         for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
 618                 if (col == 4) {
 619                         snd_iprintf(buffer,"\n");
 620                         col = 0;
 621                 }
 622
 623                 if (col == 0) {
 624                         snd_iprintf(buffer, "%04X ",i);
 625                 }
 626
 627                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 628         }
 629
 630         snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
 631         col = 0;
 632         for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
 633                 if (col == 4) {
 634                         snd_iprintf(buffer,"\n");
 635                         col = 0;
 636                 }
 637
 638                 if (col == 0) {
 639                         snd_iprintf(buffer, "%04X ",i);
 640                 }
 641
 642                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 643         }
 644
 645
 646         snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
 647         col = 0;
 648         for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
 649                 if (col == 4) {
 650                         snd_iprintf(buffer,"\n");
 651                         col = 0;
 652                 }
 653
 654                 if (col == 0) {
 655                         snd_iprintf(buffer, "%04X ",i);
 656                 }
 657
 658                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 659         }
 660
 661         snd_iprintf(buffer,"\n...\n");
 662         col = 0;
 663
 664         for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
 665                 if (col == 4) {
 666                         snd_iprintf(buffer,"\n");
 667                         col = 0;
 668                 }
 669
 670                 if (col == 0) {
 671                         snd_iprintf(buffer, "%04X ",i);
 672                 }
 673
 674                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 675         }
 676
 677
 678         snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
 679         col = 0;
 680         for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
 681                 if (col == 4) {
 682                         snd_iprintf(buffer,"\n");
 683                         col = 0;
 684                 }
 685
 686                 if (col == 0) {
 687                         snd_iprintf(buffer, "%04X ",i);
 688                 }
 689
 690                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 691         }
 692
 693         snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
 694         col = 0;
 695         for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
 696                 if (col == 4) {
 697                         snd_iprintf(buffer,"\n");
 698                         col = 0;
 699                 }
 700
 701                 if (col == 0) {
 702                         snd_iprintf(buffer, "%04X ",i);
 703                 }
 704
 705                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 706         }
 707 #if 0
 708         snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
 709         col = 0;
 710         for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
 711                 if (col == 4) {
 712                         snd_iprintf(buffer,"\n");
 713                         col = 0;
 714                 }
 715
 716                 if (col == 0) {
 717                         snd_iprintf(buffer, "%04X ",i);
 718                 }
 719
 720                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 721         }
 722 #endif
 723
 724         snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
 725         col = 0;
 726         for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
 727                 if (col == 4) {
 728                         snd_iprintf(buffer,"\n");
 729                         col = 0;
 730                 }
 731
 732                 if (col == 0) {
 733                         snd_iprintf(buffer, "%04X ",i);
 734                 }
 735
 736                 snd_iprintf(buffer,"%08X ",readl(dst + i));
 737         }
 738         snd_iprintf(buffer,"\n");
 739 }
 740
 741 int cs46xx_dsp_proc_init (snd_card_t * card, cs46xx_t *chip)
 742 {
 743         snd_info_entry_t *entry;
 744         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 745         int i;
 746
 747         ins->snd_card = card;
 748
 749         if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
 750                 entry->content = SNDRV_INFO_CONTENT_TEXT;
 751                 entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
 752                 entry->c.text.read_size = 512;
 753
 754                 if (snd_info_register(entry) < 0) {
 755                         snd_info_free_entry(entry);
 756                         entry = NULL;
 757                 }
 758         }
 759
 760         ins->proc_dsp_dir = entry;
 761
 762         if (!ins->proc_dsp_dir)
 763                 return -ENOMEM;
 764
 765         if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
 766                 entry->content = SNDRV_INFO_CONTENT_TEXT;
 767                 entry->private_data = chip;
 768                 entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 769                 entry->c.text.read_size = 512;
 770                 entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
 771                 if (snd_info_register(entry) < 0) {
 772                         snd_info_free_entry(entry);
 773                         entry = NULL;
 774                 }
 775         }
 776         ins->proc_sym_info_entry = entry;
 777
 778         if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
 779                 entry->content = SNDRV_INFO_CONTENT_TEXT;
 780                 entry->private_data = chip;
 781                 entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 782                 entry->c.text.read_size = 512;
 783                 entry->c.text.read = cs46xx_dsp_proc_modules_read;
 784                 if (snd_info_register(entry) < 0) {
 785                         snd_info_free_entry(entry);
 786                         entry = NULL;
 787                 }
 788         }
 789         ins->proc_modules_info_entry = entry;
 790
 791         if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
 792                 entry->content = SNDRV_INFO_CONTENT_TEXT;
 793                 entry->private_data = chip;
 794                 entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 795                 entry->c.text.read_size = 512;
 796                 entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
 797                 if (snd_info_register(entry) < 0) {
 798                         snd_info_free_entry(entry);
 799                         entry = NULL;
 800                 }
 801         }
 802         ins->proc_parameter_dump_info_entry = entry;
 803
 804         if ((entry = snd_info_create_card_entry(card, "sample", 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_size = 512;
 809                 entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
 810                 if (snd_info_register(entry) < 0) {
 811                         snd_info_free_entry(entry);
 812                         entry = NULL;
 813                 }
 814         }
 815         ins->proc_sample_dump_info_entry = entry;
 816
 817         if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
 818                 entry->content = SNDRV_INFO_CONTENT_TEXT;
 819                 entry->private_data = chip;
 820                 entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 821                 entry->c.text.read_size = 512;
 822                 entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
 823                 if (snd_info_register(entry) < 0) {
 824                         snd_info_free_entry(entry);
 825                         entry = NULL;
 826                 }
 827         }
 828         ins->proc_task_info_entry = entry;
 829
 830         if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
 831                 entry->content = SNDRV_INFO_CONTENT_TEXT;
 832                 entry->private_data = chip;
 833                 entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
 834                 entry->c.text.read_size = 1024;
 835                 entry->c.text.read = cs46xx_dsp_proc_scb_read;
 836                 if (snd_info_register(entry) < 0) {
 837                         snd_info_free_entry(entry);
 838                         entry = NULL;
 839                 }
 840         }
 841         ins->proc_scb_info_entry = entry;
 842
 843         down(&chip->spos_mutex);
 844         /* register/update SCB's entries on proc */
 845         for (i = 0; i < ins->nscb; ++i) {
 846                 if (ins->scbs[i].deleted) continue;
 847
 848                 cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
 849         }
 850         up(&chip->spos_mutex);
 851
 852         return 0;
 853 }
 854
 855 int cs46xx_dsp_proc_done (cs46xx_t *chip)
 856 {
 857         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 858         int i;
 859
 860         if (ins->proc_sym_info_entry) {
 861                 snd_info_unregister(ins->proc_sym_info_entry);
 862                 ins->proc_sym_info_entry = NULL;
 863         }
 864
 865         if (ins->proc_modules_info_entry) {
 866                 snd_info_unregister(ins->proc_modules_info_entry);
 867                 ins->proc_modules_info_entry = NULL;
 868         }
 869
 870         if (ins->proc_parameter_dump_info_entry) {
 871                 snd_info_unregister(ins->proc_parameter_dump_info_entry);
 872                 ins->proc_parameter_dump_info_entry = NULL;
 873         }
 874
 875         if (ins->proc_sample_dump_info_entry) {
 876                 snd_info_unregister(ins->proc_sample_dump_info_entry);
 877                 ins->proc_sample_dump_info_entry = NULL;
 878         }
 879
 880         if (ins->proc_scb_info_entry) {
 881                 snd_info_unregister(ins->proc_scb_info_entry);
 882                 ins->proc_scb_info_entry = NULL;
 883         }
 884
 885         if (ins->proc_task_info_entry) {
 886                 snd_info_unregister(ins->proc_task_info_entry);
 887                 ins->proc_task_info_entry = NULL;
 888         }
 889
 890         down(&chip->spos_mutex);
 891         for (i = 0; i < ins->nscb; ++i) {
 892                 if (ins->scbs[i].deleted) continue;
 893                 cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
 894         }
 895         up(&chip->spos_mutex);
 896
 897         if (ins->proc_dsp_dir) {
 898                 snd_info_unregister (ins->proc_dsp_dir);
 899                 ins->proc_dsp_dir = NULL;
 900         }
 901
 902         return 0;
 903 }
 904
 905 static int debug_tree;
 906 static void _dsp_create_task_tree (cs46xx_t *chip,u32 * task_data, u32  dest, int size)
 907 {
 908         void __iomem *spdst = chip->region.idx[1].remap_addr +
 909                 DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
 910         int i;
 911
 912         for (i = 0; i < size; ++i) {
 913                 if (debug_tree) printk ("addr %p, val %08x\n",spdst,task_data[i]);
 914                 writel(task_data[i],spdst);
 915                 spdst += sizeof(u32);
 916         }
 917 }
 918
 919 static int debug_scb;
 920 static void _dsp_create_scb (cs46xx_t *chip,u32 * scb_data, u32  dest)
 921 {
 922         void __iomem *spdst = chip->region.idx[1].remap_addr +
 923                 DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
 924         int i;
 925
 926         for (i = 0; i < 0x10; ++i) {
 927                 if (debug_scb) printk ("addr %p, val %08x\n",spdst,scb_data[i]);
 928                 writel(scb_data[i],spdst);
 929                 spdst += sizeof(u32);
 930         }
 931 }
 932
 933 static int find_free_scb_index (dsp_spos_instance_t * ins)
 934 {
 935         int index = ins->nscb, i;
 936
 937         for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
 938                 if (ins->scbs[i].deleted) {
 939                         index = i;
 940                         break;
 941                 }
 942         }
 943
 944         return index;
 945 }
 946
 947 static dsp_scb_descriptor_t * _map_scb (cs46xx_t *chip,char * name,u32 dest)
 948 {
 949         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 950         dsp_scb_descriptor_t * desc = NULL;
 951         int index;
 952
 953         if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
 954                 snd_printk(KERN_ERR "dsp_spos: got no place for other SCB\n");
 955                 return NULL;
 956         }
 957
 958         index = find_free_scb_index (ins);
 959
 960         strcpy(ins->scbs[index].scb_name, name);
 961         ins->scbs[index].address = dest;
 962         ins->scbs[index].index = index;
 963         ins->scbs[index].proc_info = NULL;
 964         ins->scbs[index].ref_count = 1;
 965         ins->scbs[index].deleted = 0;
 966         spin_lock_init(&ins->scbs[index].lock);
 967
 968         desc = (ins->scbs + index);
 969         ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
 970
 971         if (index > ins->scb_highest_frag_index)
 972                 ins->scb_highest_frag_index = index;
 973
 974         if (index == ins->nscb)
 975                 ins->nscb++;
 976
 977         return desc;
 978 }
 979
 980 static dsp_task_descriptor_t * _map_task_tree (cs46xx_t *chip,char * name,u32 dest,u32 size)
 981 {
 982         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
 983         dsp_task_descriptor_t * desc = NULL;
 984
 985         if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
 986                 snd_printk(KERN_ERR "dsp_spos: got no place for other TASK\n");
 987                 return NULL;
 988         }
 989
 990         strcpy(ins->tasks[ins->ntask].task_name,name);
 991         ins->tasks[ins->ntask].address = dest;
 992         ins->tasks[ins->ntask].size = size;
 993
 994         /* quick find in list */
 995         ins->tasks[ins->ntask].index = ins->ntask;
 996         desc = (ins->tasks + ins->ntask);
 997         ins->ntask++;
 998
 999         add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1000         return desc;
1001 }
1002
1003 dsp_scb_descriptor_t * cs46xx_dsp_create_scb (cs46xx_t *chip,char * name, u32 * scb_data,u32 dest)
1004 {
1005         dsp_scb_descriptor_t * desc;
1006
1007         desc = _map_scb (chip,name,dest);
1008         if (desc) {
1009                 _dsp_create_scb(chip,scb_data,dest);
1010         } else {
1011                 snd_printk(KERN_ERR "dsp_spos: failed to map SCB\n");
1012         }
1013
1014         return desc;
1015 }
1016
1017
1018 static dsp_task_descriptor_t *  cs46xx_dsp_create_task_tree (cs46xx_t *chip,char * name, u32 * task_data,u32 dest,int size)
1019 {
1020         dsp_task_descriptor_t * desc;
1021
1022         desc = _map_task_tree (chip,name,dest,size);
1023         if (desc) {
1024                 _dsp_create_task_tree(chip,task_data,dest,size);
1025         } else {
1026                 snd_printk(KERN_ERR "dsp_spos: failed to map TASK\n");
1027         }
1028
1029         return desc;
1030 }
1031
1032 int cs46xx_dsp_scb_and_task_init (cs46xx_t *chip)
1033 {
1034         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1035         symbol_entry_t * fg_task_tree_header_code;
1036         symbol_entry_t * task_tree_header_code;
1037         symbol_entry_t * task_tree_thread;
1038         symbol_entry_t * null_algorithm;
1039         symbol_entry_t * magic_snoop_task;
1040
1041         dsp_scb_descriptor_t * timing_master_scb;
1042         dsp_scb_descriptor_t * codec_out_scb;
1043         dsp_scb_descriptor_t * codec_in_scb;
1044         dsp_scb_descriptor_t * src_task_scb;
1045         dsp_scb_descriptor_t * master_mix_scb;
1046         dsp_scb_descriptor_t * rear_mix_scb;
1047         dsp_scb_descriptor_t * record_mix_scb;
1048         dsp_scb_descriptor_t * write_back_scb;
1049         dsp_scb_descriptor_t * vari_decimate_scb;
1050         dsp_scb_descriptor_t * rear_codec_out_scb;
1051         dsp_scb_descriptor_t * clfe_codec_out_scb;
1052         dsp_scb_descriptor_t * magic_snoop_scb;
1053
1054         int fifo_addr,fifo_span,valid_slots;
1055
1056         static spos_control_block_t sposcb = {
1057                 /* 0 */ HFG_TREE_SCB,HFG_STACK,
1058                 /* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1059                 /* 2 */ DSP_SPOS_DC,0,
1060                 /* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1061                 /* 4 */ 0,0,
1062                 /* 5 */ DSP_SPOS_UU,0,
1063                 /* 6 */ FG_TASK_HEADER_ADDR,0,
1064                 /* 7 */ 0,0,
1065                 /* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1066                 /* 9 */ 0,
1067                 /* A */ 0,HFG_FIRST_EXECUTE_MODE,
1068                 /* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1069                 /* C */ DSP_SPOS_DC_DC,
1070                 /* D */ DSP_SPOS_DC_DC,
1071                 /* E */ DSP_SPOS_DC_DC,
1072                 /* F */ DSP_SPOS_DC_DC
1073         };
1074
1075         cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1076
1077         null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1078         if (null_algorithm == NULL) {
1079                 snd_printk(KERN_ERR "dsp_spos: symbol NULLALGORITHM not found\n");
1080                 return -EIO;
1081         }
1082
1083         fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1084         if (fg_task_tree_header_code == NULL) {
1085                 snd_printk(KERN_ERR "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1086                 return -EIO;
1087         }
1088
1089         task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1090         if (task_tree_header_code == NULL) {
1091                 snd_printk(KERN_ERR "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1092                 return -EIO;
1093         }
1094
1095         task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1096         if (task_tree_thread == NULL) {
1097                 snd_printk(KERN_ERR "dsp_spos: symbol TASKTREETHREAD not found\n");
1098                 return -EIO;
1099         }
1100
1101         magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1102         if (magic_snoop_task == NULL) {
1103                 snd_printk(KERN_ERR "dsp_spos: symbol MAGICSNOOPTASK not found\n");
1104                 return -EIO;
1105         }
1106
1107         {
1108                 /* create the null SCB */
1109                 static generic_scb_t null_scb = {
1110                         { 0, 0, 0, 0 },
1111                         { 0, 0, 0, 0, 0 },
1112                         NULL_SCB_ADDR, NULL_SCB_ADDR,
1113                         0, 0, 0, 0, 0,
1114                         {
1115                                 0,0,
1116                                 0,0,
1117                         }
1118                 };
1119
1120                 null_scb.entry_point = null_algorithm->address;
1121                 ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1122                 ins->the_null_scb->task_entry = null_algorithm;
1123                 ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1124                 ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1125                 ins->the_null_scb->parent_scb_ptr = NULL;
1126                 cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1127         }
1128
1129         {
1130                 /* setup foreground task tree */
1131                 static task_tree_control_block_t fg_task_tree_hdr =  {
1132                         { FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1133                           DSP_SPOS_DC_DC,
1134                           DSP_SPOS_DC_DC,
1135                           0x0000,DSP_SPOS_DC,
1136                           DSP_SPOS_DC, DSP_SPOS_DC,
1137                           DSP_SPOS_DC_DC,
1138                           DSP_SPOS_DC_DC,
1139                           DSP_SPOS_DC_DC,
1140                           DSP_SPOS_DC,DSP_SPOS_DC },
1141
1142                         {
1143                                 BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1144                                 0,
1145                                 FG_TASK_HEADER_ADDR + TCBData,
1146                         },
1147
1148                         {
1149                                 4,0,
1150                                 1,0,
1151                                 2,SPOSCB_ADDR + HFGFlags,
1152                                 0,0,
1153                                 FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1154                         },
1155
1156                         {
1157                                 DSP_SPOS_DC,0,
1158                                 DSP_SPOS_DC,DSP_SPOS_DC,
1159                                 DSP_SPOS_DC,DSP_SPOS_DC,
1160                                 DSP_SPOS_DC,DSP_SPOS_DC,
1161                                 DSP_SPOS_DC,DSP_SPOS_DC,
1162                                 DSP_SPOS_DCDC,
1163                                 DSP_SPOS_UU,1,
1164                                 DSP_SPOS_DCDC,
1165                                 DSP_SPOS_DCDC,
1166                                 DSP_SPOS_DCDC,
1167                                 DSP_SPOS_DCDC,
1168                                 DSP_SPOS_DCDC,
1169                                 DSP_SPOS_DCDC,
1170                                 DSP_SPOS_DCDC,
1171                                 DSP_SPOS_DCDC,
1172                                 DSP_SPOS_DCDC,
1173                                 DSP_SPOS_DCDC,
1174                                 DSP_SPOS_DCDC,
1175                                 DSP_SPOS_DCDC,
1176                                 DSP_SPOS_DCDC,
1177                                 DSP_SPOS_DCDC,
1178                                 DSP_SPOS_DCDC,
1179                                 DSP_SPOS_DCDC,
1180                                 DSP_SPOS_DCDC,
1181                                 DSP_SPOS_DCDC,
1182                                 DSP_SPOS_DCDC,
1183                                 DSP_SPOS_DCDC,
1184                                 DSP_SPOS_DCDC,
1185                                 DSP_SPOS_DCDC,
1186                                 DSP_SPOS_DCDC,
1187                                 DSP_SPOS_DCDC,
1188                                 DSP_SPOS_DCDC,
1189                                 DSP_SPOS_DCDC,
1190                                 DSP_SPOS_DCDC,
1191                                 DSP_SPOS_DCDC
1192                         },
1193                         {
1194                                 FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1195                                 0,0
1196                         }
1197                 };
1198
1199                 fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1200                 fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1201                 cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1202         }
1203
1204
1205         {
1206                 /* setup foreground task tree */
1207                 static task_tree_control_block_t bg_task_tree_hdr =  {
1208                         { DSP_SPOS_DC_DC,
1209                           DSP_SPOS_DC_DC,
1210                           DSP_SPOS_DC_DC,
1211                           DSP_SPOS_DC, DSP_SPOS_DC,
1212                           DSP_SPOS_DC, DSP_SPOS_DC,
1213                           DSP_SPOS_DC_DC,
1214                           DSP_SPOS_DC_DC,
1215                           DSP_SPOS_DC_DC,
1216                           DSP_SPOS_DC,DSP_SPOS_DC },
1217
1218                         {
1219                                 NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1220                                 0,
1221                                 BG_TREE_SCB_ADDR + TCBData,
1222                         },
1223
1224                         {
1225                                 9999,0,
1226                                 0,1,
1227                                 0,SPOSCB_ADDR + HFGFlags,
1228                                 0,0,
1229                                 BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1230                         },
1231
1232                         {
1233                                 DSP_SPOS_DC,0,
1234                                 DSP_SPOS_DC,DSP_SPOS_DC,
1235                                 DSP_SPOS_DC,DSP_SPOS_DC,
1236                                 DSP_SPOS_DC,DSP_SPOS_DC,
1237                                 DSP_SPOS_DC,DSP_SPOS_DC,
1238                                 DSP_SPOS_DCDC,
1239                                 DSP_SPOS_UU,1,
1240                                 DSP_SPOS_DCDC,
1241                                 DSP_SPOS_DCDC,
1242                                 DSP_SPOS_DCDC,
1243                                 DSP_SPOS_DCDC,
1244                                 DSP_SPOS_DCDC,
1245                                 DSP_SPOS_DCDC,
1246                                 DSP_SPOS_DCDC,
1247                                 DSP_SPOS_DCDC,
1248                                 DSP_SPOS_DCDC,
1249                                 DSP_SPOS_DCDC,
1250                                 DSP_SPOS_DCDC,
1251                                 DSP_SPOS_DCDC,
1252                                 DSP_SPOS_DCDC,
1253                                 DSP_SPOS_DCDC,
1254                                 DSP_SPOS_DCDC,
1255                                 DSP_SPOS_DCDC,
1256                                 DSP_SPOS_DCDC,
1257                                 DSP_SPOS_DCDC,
1258                                 DSP_SPOS_DCDC,
1259                                 DSP_SPOS_DCDC,
1260                                 DSP_SPOS_DCDC,
1261                                 DSP_SPOS_DCDC,
1262                                 DSP_SPOS_DCDC,
1263                                 DSP_SPOS_DCDC,
1264                                 DSP_SPOS_DCDC,
1265                                 DSP_SPOS_DCDC,
1266                                 DSP_SPOS_DCDC,
1267                                 DSP_SPOS_DCDC
1268                         },
1269                         {
1270                                 BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1271                                 0,0
1272                         }
1273                 };
1274
1275                 bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1276                 bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1277                 cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1278         }
1279
1280         /* create timing master SCB */
1281         timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1282
1283         /* create the CODEC output task */
1284         codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1285                                                         MASTERMIX_SCB_ADDR,
1286                                                         CODECOUT_SCB_ADDR,timing_master_scb,
1287                                                         SCB_ON_PARENT_SUBLIST_SCB);
1288
1289         if (!codec_out_scb) goto _fail_end;
1290         /* create the master mix SCB */
1291         master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1292                                                         MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1293                                                         codec_out_scb,
1294                                                         SCB_ON_PARENT_SUBLIST_SCB);
1295         ins->master_mix_scb = master_mix_scb;
1296
1297         if (!master_mix_scb) goto _fail_end;
1298
1299         /* create codec in */
1300         codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1301                                                       CODEC_INPUT_BUF1,
1302                                                       CODECIN_SCB_ADDR,codec_out_scb,
1303                                                       SCB_ON_PARENT_NEXT_SCB);
1304         if (!codec_in_scb) goto _fail_end;
1305         ins->codec_in_scb = codec_in_scb;
1306
1307         /* create write back scb */
1308         write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1309                                                               WRITE_BACK_BUF1,WRITE_BACK_SPB,
1310                                                               WRITEBACK_SCB_ADDR,
1311                                                               timing_master_scb,
1312                                                               SCB_ON_PARENT_NEXT_SCB);
1313         if (!write_back_scb) goto _fail_end;
1314
1315         {
1316                 static mix2_ostream_spb_t mix2_ostream_spb = {
1317                         0x00020000,
1318                         0x0000ffff
1319                 };
1320
1321                 /* dirty hack ... */
1322                 _dsp_create_task_tree (chip,(u32 *)&mix2_ostream_spb,WRITE_BACK_SPB,2);
1323         }
1324
1325         /* input sample converter */
1326         vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1327                                                                 VARI_DECIMATE_BUF0,
1328                                                                 VARI_DECIMATE_BUF1,
1329                                                                 VARIDECIMATE_SCB_ADDR,
1330                                                                 write_back_scb,
1331                                                                 SCB_ON_PARENT_SUBLIST_SCB);
1332         if (!vari_decimate_scb) goto _fail_end;
1333
1334         /* create the record mixer SCB */
1335         record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1336                                                         MIX_SAMPLE_BUF2,
1337                                                         RECORD_MIXER_SCB_ADDR,
1338                                                         vari_decimate_scb,
1339                                                         SCB_ON_PARENT_SUBLIST_SCB);
1340         ins->record_mixer_scb = record_mix_scb;
1341
1342         if (!record_mix_scb) goto _fail_end;
1343
1344         valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1345
1346         snd_assert (chip->nr_ac97_codecs == 1 || chip->nr_ac97_codecs == 2);
1347
1348         if (chip->nr_ac97_codecs == 1) {
1349                 /* output on slot 5 and 11
1350                    on primary CODEC */
1351                 fifo_addr = 0x20;
1352                 fifo_span = 0x60;
1353
1354                 /* enable slot 5 and 11 */
1355                 valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1356         } else {
1357                 /* output on slot 7 and 8
1358                    on secondary CODEC */
1359                 fifo_addr = 0x40;
1360                 fifo_span = 0x10;
1361
1362                 /* enable slot 7 and 8 */
1363                 valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1364         }
1365         /* create CODEC tasklet for rear speakers output*/
1366         rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1367                                                              REAR_MIXER_SCB_ADDR,
1368                                                              REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1369                                                              SCB_ON_PARENT_NEXT_SCB);
1370         if (!rear_codec_out_scb) goto _fail_end;
1371
1372
1373         /* create the rear PCM channel  mixer SCB */
1374         rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1375                                                       MIX_SAMPLE_BUF3,
1376                                                       REAR_MIXER_SCB_ADDR,
1377                                                       rear_codec_out_scb,
1378                                                       SCB_ON_PARENT_SUBLIST_SCB);
1379         ins->rear_mix_scb = rear_mix_scb;
1380         if (!rear_mix_scb) goto _fail_end;
1381
1382         if (chip->nr_ac97_codecs == 2) {
1383                 /* create CODEC tasklet for rear Center/LFE output
1384                    slot 6 and 9 on seconadry CODEC */
1385                 clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1386                                                                      CLFE_MIXER_SCB_ADDR,
1387                                                                      CLFE_CODEC_SCB_ADDR,
1388                                                                      rear_codec_out_scb,
1389                                                                      SCB_ON_PARENT_NEXT_SCB);
1390                 if (!clfe_codec_out_scb) goto _fail_end;
1391
1392
1393                 /* create the rear PCM channel  mixer SCB */
1394                 ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1395                                                                          MIX_SAMPLE_BUF4,
1396                                                                          CLFE_MIXER_SCB_ADDR,
1397                                                                          clfe_codec_out_scb,
1398                                                                          SCB_ON_PARENT_SUBLIST_SCB);
1399                 if (!ins->center_lfe_mix_scb) goto _fail_end;
1400
1401                 /* enable slot 6 and 9 */
1402                 valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1403         } else {
1404                 clfe_codec_out_scb = rear_codec_out_scb;
1405                 ins->center_lfe_mix_scb = rear_mix_scb;
1406         }
1407
1408         /* enable slots depending on CODEC configuration */
1409         snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1410
1411         /* the magic snooper */
1412         magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1413                                                              OUTPUT_SNOOP_BUFFER,
1414                                                              codec_out_scb,
1415                                                              clfe_codec_out_scb,
1416                                                              SCB_ON_PARENT_NEXT_SCB);
1417
1418
1419         if (!magic_snoop_scb) goto _fail_end;
1420         ins->ref_snoop_scb = magic_snoop_scb;
1421
1422         /* SP IO access */
1423         if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1424                                               magic_snoop_scb,
1425                                               SCB_ON_PARENT_NEXT_SCB))
1426                 goto _fail_end;
1427
1428         /* SPDIF input sampel rate converter */
1429         src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1430                                                       ins->spdif_in_sample_rate,
1431                                                       SRC_OUTPUT_BUF1,
1432                                                       SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1433                                                       master_mix_scb,
1434                                                       SCB_ON_PARENT_SUBLIST_SCB,1);
1435
1436         if (!src_task_scb) goto _fail_end;
1437         cs46xx_src_unlink(chip,src_task_scb);
1438
1439         /* NOTE: when we now how to detect the SPDIF input
1440            sample rate we will use this SRC to adjust it */
1441         ins->spdif_in_src = src_task_scb;
1442
1443         cs46xx_dsp_async_init(chip,timing_master_scb);
1444         return 0;
1445
1446  _fail_end:
1447         snd_printk(KERN_ERR "dsp_spos: failed to setup SCB's in DSP\n");
1448         return -EINVAL;
1449 }
1450
1451 static int cs46xx_dsp_async_init (cs46xx_t *chip, dsp_scb_descriptor_t * fg_entry)
1452 {
1453         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1454         symbol_entry_t * s16_async_codec_input_task;
1455         symbol_entry_t * spdifo_task;
1456         symbol_entry_t * spdifi_task;
1457         dsp_scb_descriptor_t * spdifi_scb_desc,* spdifo_scb_desc,* async_codec_scb_desc;
1458
1459         s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1460         if (s16_async_codec_input_task == NULL) {
1461                 snd_printk(KERN_ERR "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1462                 return -EIO;
1463         }
1464         spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1465         if (spdifo_task == NULL) {
1466                 snd_printk(KERN_ERR "dsp_spos: symbol SPDIFOTASK not found\n");
1467                 return -EIO;
1468         }
1469
1470         spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1471         if (spdifi_task == NULL) {
1472                 snd_printk(KERN_ERR "dsp_spos: symbol SPDIFITASK not found\n");
1473                 return -EIO;
1474         }
1475
1476         {
1477                 /* 0xBC0 */
1478                 spdifoscb_t spdifo_scb = {
1479                         /* 0 */ DSP_SPOS_UUUU,
1480                         {
1481                                 /* 1 */ 0xb0,
1482                                 /* 2 */ 0,
1483                                 /* 3 */ 0,
1484                                 /* 4 */ 0,
1485                         },
1486                         /* NOTE: the SPDIF output task read samples in mono
1487                            format, the AsynchFGTxSCB task writes to buffer
1488                            in stereo format
1489                         */
1490                         /* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1491                         /* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1492                         /* 7 */ 0,0,
1493                         /* 8 */ 0,
1494                         /* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1495                         /* A */ spdifo_task->address,
1496                         SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1497                         {
1498                                 /* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1499                                 /* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1500                         },
1501                         /* D */ 0x804c,0,                                                         /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1502                         /* E */ 0x0108,0x0001,                                    /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1503                         /* F */ DSP_SPOS_UUUU                                     /* SPDIFOFree; */
1504                 };
1505
1506                 /* 0xBB0 */
1507                 spdifiscb_t spdifi_scb = {
1508                         /* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1509                         /* 1 */ 0,
1510                         /* 2 */ 0,
1511                         /* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1512                         /* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1513                         /* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1514                         /* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1515                         /* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1516                         /* 8 */ DSP_SPOS_UUUU,  /* TempStatus */
1517                         /* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1518                         /* A */ spdifi_task->address,
1519                         SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1520                         /* NOTE: The SPDIF input task write the sample in mono
1521                            format from the HW FIFO, the AsynchFGRxSCB task  reads
1522                            them in stereo
1523                         */
1524                         /* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1525                         /* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1526                         /* D */ 0x8048,0,
1527                         /* E */ 0x01f0,0x0001,
1528                         /* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1529                 };
1530
1531                 /* 0xBA0 */
1532                 async_codec_input_scb_t async_codec_input_scb = {
1533                         /* 0 */ DSP_SPOS_UUUU,
1534                         /* 1 */ 0,
1535                         /* 2 */ 0,
1536                         /* 3 */ 1,4000,
1537                         /* 4 */ 0x0118,0x0001,
1538                         /* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1539                         /* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1540                         /* 7 */ DSP_SPOS_UU,0x3,
1541                         /* 8 */ DSP_SPOS_UUUU,
1542                         /* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1543                         /* A */ s16_async_codec_input_task->address,
1544                         HFG_TREE_SCB + AsyncCIOFIFOPointer,
1545
1546                         /* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1547                         /* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1548
1549 #ifdef UseASER1Input
1550                         /* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1551                            Init. 0000:8042: for ASER1
1552                            0000:8044: for ASER2 */
1553                         /* D */ 0x8042,0,
1554
1555                         /* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1556                            Init 1 stero:8050 ASER1
1557                            Init 0  mono:8070 ASER2
1558                            Init 1 Stereo : 0100 ASER1 (Set by script) */
1559                         /* E */ 0x0100,0x0001,
1560
1561 #endif
1562
1563 #ifdef UseASER2Input
1564                         /* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1565                            Init. 0000:8042: for ASER1
1566                            0000:8044: for ASER2 */
1567                         /* D */ 0x8044,0,
1568
1569                         /* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1570                            Init 1 stero:8050 ASER1
1571                            Init 0  mono:8070 ASER2
1572                            Init 1 Stereo : 0100 ASER1 (Set by script) */
1573                         /* E */ 0x0110,0x0001,
1574
1575 #endif
1576
1577                         /* short AsyncCIOutputBufModulo:AsyncCIFree;
1578                            AsyncCIOutputBufModulo: The modulo size for
1579                            the output buffer of this task */
1580                         /* F */ 0, /* DSP_SPOS_UUUU */
1581                 };
1582
1583                 spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1584
1585                 snd_assert(spdifo_scb_desc, return -EIO);
1586                 spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1587                 snd_assert(spdifi_scb_desc, return -EIO);
1588                 async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1589                 snd_assert(async_codec_scb_desc, return -EIO);
1590
1591                 async_codec_scb_desc->parent_scb_ptr = NULL;
1592                 async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1593                 async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1594                 async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1595
1596                 spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1597                 spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1598                 spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1599                 spdifi_scb_desc->task_entry = spdifi_task;
1600
1601                 spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1602                 spdifo_scb_desc->next_scb_ptr = fg_entry;
1603                 spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1604                 spdifo_scb_desc->task_entry = spdifo_task;
1605
1606                 /* this one is faked, as the parnet of SPDIFO task
1607                    is the FG task tree */
1608                 fg_entry->parent_scb_ptr = spdifo_scb_desc;
1609
1610                 /* for proc fs */
1611                 cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1612                 cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1613                 cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1614
1615                 /* Async MASTER ENABLE, affects both SPDIF input and output */
1616                 snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1617         }
1618
1619         return 0;
1620 }
1621
1622
1623 static void cs46xx_dsp_disable_spdif_hw (cs46xx_t *chip)
1624 {
1625         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1626
1627         /* set SPDIF output FIFO slot */
1628         snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1629
1630         /* SPDIF output MASTER ENABLE */
1631         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1632
1633         /* right and left validate bit */
1634         /*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1635         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1636
1637         /* clear fifo pointer */
1638         cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1639
1640         /* monitor state */
1641         ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1642 }
1643
1644 int cs46xx_dsp_enable_spdif_hw (cs46xx_t *chip)
1645 {
1646         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1647
1648         /* if hw-ctrl already enabled, turn off to reset logic ... */
1649         cs46xx_dsp_disable_spdif_hw (chip);
1650         udelay(50);
1651
1652         /* set SPDIF output FIFO slot */
1653         snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1654
1655         /* SPDIF output MASTER ENABLE */
1656         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1657
1658         /* right and left validate bit */
1659         cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1660
1661         /* monitor state */
1662         ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1663
1664         return 0;
1665 }
1666
1667 int cs46xx_dsp_enable_spdif_in (cs46xx_t *chip)
1668 {
1669         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1670
1671         /* turn on amplifier */
1672         chip->active_ctrl(chip, 1);
1673         chip->amplifier_ctrl(chip, 1);
1674
1675         snd_assert (ins->asynch_rx_scb == NULL,return -EINVAL);
1676         snd_assert (ins->spdif_in_src != NULL,return -EINVAL);
1677
1678         down(&chip->spos_mutex);
1679
1680         if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1681                 /* time countdown enable */
1682                 cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1683                 /* NOTE: 80000005 value is just magic. With all values
1684                    that I've tested this one seem to give the best result.
1685                    Got no explication why. (Benny) */
1686
1687                 /* SPDIF input MASTER ENABLE */
1688                 cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1689
1690                 ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1691         }
1692
1693         /* create and start the asynchronous receiver SCB */
1694         ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1695                                                                 ASYNCRX_SCB_ADDR,
1696                                                                 SPDIFI_SCB_INST,
1697                                                                 SPDIFI_IP_OUTPUT_BUFFER1,
1698                                                                 ins->spdif_in_src,
1699                                                                 SCB_ON_PARENT_SUBLIST_SCB);
1700
1701         spin_lock_irq(&chip->reg_lock);
1702
1703         /* reset SPDIF input sample buffer pointer */
1704         /*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1705           (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1706
1707         /* reset FIFO ptr */
1708         /*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1709         cs46xx_src_link(chip,ins->spdif_in_src);
1710
1711         /* unmute SRC volume */
1712         cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1713
1714         spin_unlock_irq(&chip->reg_lock);
1715
1716         /* set SPDIF input sample rate and unmute
1717            NOTE: only 48khz support for SPDIF input this time */
1718         /* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1719
1720         /* monitor state */
1721         ins->spdif_status_in = 1;
1722         up(&chip->spos_mutex);
1723
1724         return 0;
1725 }
1726
1727 int cs46xx_dsp_disable_spdif_in (cs46xx_t *chip)
1728 {
1729         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1730
1731         snd_assert (ins->asynch_rx_scb != NULL, return -EINVAL);
1732         snd_assert (ins->spdif_in_src != NULL,return -EINVAL);
1733
1734         down(&chip->spos_mutex);
1735
1736         /* Remove the asynchronous receiver SCB */
1737         cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1738         ins->asynch_rx_scb = NULL;
1739
1740         cs46xx_src_unlink(chip,ins->spdif_in_src);
1741
1742         /* monitor state */
1743         ins->spdif_status_in = 0;
1744         up(&chip->spos_mutex);
1745
1746         /* restore amplifier */
1747         chip->active_ctrl(chip, -1);
1748         chip->amplifier_ctrl(chip, -1);
1749
1750         return 0;
1751 }
1752
1753 int cs46xx_dsp_enable_pcm_capture (cs46xx_t *chip)
1754 {
1755         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1756
1757         snd_assert (ins->pcm_input == NULL,return -EINVAL);
1758         snd_assert (ins->ref_snoop_scb != NULL,return -EINVAL);
1759
1760         down(&chip->spos_mutex);
1761         ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1762                                                   "PCMSerialInput_Wave");
1763         up(&chip->spos_mutex);
1764
1765         return 0;
1766 }
1767
1768 int cs46xx_dsp_disable_pcm_capture (cs46xx_t *chip)
1769 {
1770         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1771
1772         snd_assert (ins->pcm_input != NULL,return -EINVAL);
1773
1774         down(&chip->spos_mutex);
1775         cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1776         ins->pcm_input = NULL;
1777         up(&chip->spos_mutex);
1778
1779         return 0;
1780 }
1781
1782 int cs46xx_dsp_enable_adc_capture (cs46xx_t *chip)
1783 {
1784         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1785
1786         snd_assert (ins->adc_input == NULL,return -EINVAL);
1787         snd_assert (ins->codec_in_scb != NULL,return -EINVAL);
1788
1789         down(&chip->spos_mutex);
1790         ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1791                                                   "PCMSerialInput_ADC");
1792         up(&chip->spos_mutex);
1793
1794         return 0;
1795 }
1796
1797 int cs46xx_dsp_disable_adc_capture (cs46xx_t *chip)
1798 {
1799         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1800
1801         snd_assert (ins->adc_input != NULL,return -EINVAL);
1802
1803         down(&chip->spos_mutex);
1804         cs46xx_dsp_remove_scb (chip,ins->adc_input);
1805         ins->adc_input = NULL;
1806         up(&chip->spos_mutex);
1807
1808         return 0;
1809 }
1810
1811 int cs46xx_poke_via_dsp (cs46xx_t *chip,u32 address,u32 data)
1812 {
1813         u32 temp;
1814         int  i;
1815
1816         /* santiy check the parameters.  (These numbers are not 100% correct.  They are
1817            a rough guess from looking at the controller spec.) */
1818         if (address < 0x8000 || address >= 0x9000)
1819                 return -EINVAL;
1820
1821         /* initialize the SP_IO_WRITE SCB with the data. */
1822         temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1823
1824         snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1825         snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1826         snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1827
1828         /* Poke this location to tell the task to start */
1829         snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1830
1831         /* Verify that the task ran */
1832         for (i=0; i<25; i++) {
1833                 udelay(125);
1834
1835                 temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1836                 if (temp == 0x00000000)
1837                         break;
1838         }
1839
1840         if (i == 25) {
1841                 snd_printk(KERN_ERR "dsp_spos: SPIOWriteTask not responding\n");
1842                 return -EBUSY;
1843         }
1844
1845         return 0;
1846 }
1847
1848 int cs46xx_dsp_set_dac_volume (cs46xx_t * chip,u16 left,u16 right)
1849 {
1850         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1851         dsp_scb_descriptor_t * scb;
1852
1853         down(&chip->spos_mutex);
1854
1855         /* main output */
1856         scb = ins->master_mix_scb->sub_list_ptr;
1857         while (scb != ins->the_null_scb) {
1858                 cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1859                 scb = scb->next_scb_ptr;
1860         }
1861
1862         /* rear output */
1863         scb = ins->rear_mix_scb->sub_list_ptr;
1864         while (scb != ins->the_null_scb) {
1865                 cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1866                 scb = scb->next_scb_ptr;
1867         }
1868
1869         ins->dac_volume_left = left;
1870         ins->dac_volume_right = right;
1871
1872         up(&chip->spos_mutex);
1873
1874         return 0;
1875 }
1876
1877 int cs46xx_dsp_set_iec958_volume (cs46xx_t * chip,u16 left,u16 right) {
1878         dsp_spos_instance_t * ins = chip->dsp_spos_instance;
1879
1880         down(&chip->spos_mutex);
1881
1882         if (ins->asynch_rx_scb != NULL)
1883                 cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1884                                            left,right);
1885
1886         ins->spdif_input_volume_left = left;
1887         ins->spdif_input_volume_right = right;
1888
1889         up(&chip->spos_mutex);
1890
1891         return 0;
1892 }