Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / pci / cs46xx / dsp_spos.c
diff --git a/kernel/sound/pci/cs46xx/dsp_spos.c b/kernel/sound/pci/cs46xx/dsp_spos.c
new file mode 100644 (file)
index 0000000..5c99efb
--- /dev/null
@@ -0,0 +1,2049 @@
+/*
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+/*
+ * 2002-07 Benny Sjostrand benny@hostmobility.com
+ */
+
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/mutex.h>
+
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/info.h>
+#include <sound/asoundef.h>
+#include "cs46xx.h"
+
+#include "cs46xx_lib.h"
+#include "dsp_spos.h"
+
+static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
+                                 struct dsp_scb_descriptor * fg_entry);
+
+static enum wide_opcode wide_opcodes[] = { 
+       WIDE_FOR_BEGIN_LOOP,
+       WIDE_FOR_BEGIN_LOOP2,
+       WIDE_COND_GOTO_ADDR,
+       WIDE_COND_GOTO_CALL,
+       WIDE_TBEQ_COND_GOTO_ADDR,
+       WIDE_TBEQ_COND_CALL_ADDR,
+       WIDE_TBEQ_NCOND_GOTO_ADDR,
+       WIDE_TBEQ_NCOND_CALL_ADDR,
+       WIDE_TBEQ_COND_GOTO1_ADDR,
+       WIDE_TBEQ_COND_CALL1_ADDR,
+       WIDE_TBEQ_NCOND_GOTOI_ADDR,
+       WIDE_TBEQ_NCOND_CALL1_ADDR
+};
+
+static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
+                                      u32 overlay_begin_address)
+{
+       unsigned int i = 0, j, nreallocated = 0;
+       u32 hival,loval,address;
+       u32 mop_operands,mop_type,wide_op;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(size %2))
+               return -EINVAL;
+  
+       while (i < size) {
+               loval = data[i++];
+               hival = data[i++];
+
+               if (ins->code.offset > 0) {
+                       mop_operands = (hival >> 6) & 0x03fff;
+                       mop_type = mop_operands >> 10;
+      
+                       /* check for wide type instruction */
+                       if (mop_type == 0 &&
+                           (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
+                           (mop_operands & WIDE_INSTR_MASK) != 0) {
+                               wide_op = loval & 0x7f;
+                               for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
+                                       if (wide_opcodes[j] == wide_op) {
+                                               /* need to reallocate instruction */
+                                               address  = (hival & 0x00FFF) << 5;
+                                               address |=  loval >> 15;
+            
+                                               dev_dbg(chip->card->dev,
+                                                       "handle_wideop[1]: %05x:%05x addr %04x\n",
+                                                       hival, loval, address);
+            
+                                               if ( !(address & 0x8000) ) {
+                                                       address += (ins->code.offset / 2) - overlay_begin_address;
+                                               } else {
+                                                       dev_dbg(chip->card->dev,
+                                                               "handle_wideop[1]: ROM symbol not reallocated\n");
+                                               }
+            
+                                               hival &= 0xFF000;
+                                               loval &= 0x07FFF;
+            
+                                               hival |= ( (address >> 5)  & 0x00FFF);
+                                               loval |= ( (address << 15) & 0xF8000);
+            
+                                               address  = (hival & 0x00FFF) << 5;
+                                               address |=  loval >> 15;
+            
+                                               dev_dbg(chip->card->dev,
+                                                       "handle_wideop:[2] %05x:%05x addr %04x\n",
+                                                       hival, loval, address);                                         nreallocated++;
+                                       } /* wide_opcodes[j] == wide_op */
+                               } /* for */
+                       } /* mod_type == 0 ... */
+               } /* ins->code.offset > 0 */
+
+               ins->code.data[ins->code.size++] = loval;
+               ins->code.data[ins->code.size++] = hival;
+       }
+
+       dev_dbg(chip->card->dev,
+               "dsp_spos: %d instructions reallocated\n", nreallocated);
+       return nreallocated;
+}
+
+static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
+{
+       int i;
+       for (i = 0;i < module->nsegments; ++i) {
+               if (module->segments[i].segment_type == seg_type) {
+                       return (module->segments + i);
+               }
+       }
+
+       return NULL;
+};
+
+static int find_free_symbol_index (struct dsp_spos_instance * ins)
+{
+       int index = ins->symbol_table.nsymbols,i;
+
+       for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
+               if (ins->symbol_table.symbols[i].deleted) {
+                       index = i;
+                       break;
+               }
+       }
+
+       return index;
+}
+
+static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
+{
+       int i;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (module->symbol_table.nsymbols > 0) {
+               if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
+                   module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
+                       module->overlay_begin_address = module->symbol_table.symbols[0].address;
+               }
+       }
+
+       for (i = 0;i < module->symbol_table.nsymbols; ++i) {
+               if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
+                       dev_err(chip->card->dev,
+                               "dsp_spos: symbol table is full\n");
+                       return -ENOMEM;
+               }
+
+
+               if (cs46xx_dsp_lookup_symbol(chip,
+                                            module->symbol_table.symbols[i].symbol_name,
+                                            module->symbol_table.symbols[i].symbol_type) == NULL) {
+
+                       ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
+                       ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
+                       ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
+                       ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
+
+                       if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index) 
+                               ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
+
+                       ins->symbol_table.nsymbols++;
+               } else {
+#if 0
+                       dev_dbg(chip->card->dev,
+                               "dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
+                               module->symbol_table.symbols[i].symbol_name); */
+#endif
+               }
+       }
+
+       return 0;
+}
+
+static struct dsp_symbol_entry *
+add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_symbol_entry * symbol = NULL;
+       int index;
+
+       if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
+               dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
+               return NULL;
+       }
+  
+       if (cs46xx_dsp_lookup_symbol(chip,
+                                    symbol_name,
+                                    type) != NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol <%s> duplicated\n", symbol_name);
+               return NULL;
+       }
+
+       index = find_free_symbol_index (ins);
+
+       strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
+       ins->symbol_table.symbols[index].address = address;
+       ins->symbol_table.symbols[index].symbol_type = type;
+       ins->symbol_table.symbols[index].module = NULL;
+       ins->symbol_table.symbols[index].deleted = 0;
+       symbol = (ins->symbol_table.symbols + index);
+
+       if (index > ins->symbol_table.highest_frag_index) 
+               ins->symbol_table.highest_frag_index = index;
+
+       if (index == ins->symbol_table.nsymbols)
+               ins->symbol_table.nsymbols++; /* no frag. in list */
+
+       return symbol;
+}
+
+struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
+{
+       struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
+
+       if (ins == NULL)
+               return NULL;
+
+       /* better to use vmalloc for this big table */
+       ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
+                                           DSP_MAX_SYMBOLS);
+       ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
+       ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
+       if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
+               cs46xx_dsp_spos_destroy(chip);
+               goto error;
+       }
+       ins->symbol_table.nsymbols = 0;
+       ins->symbol_table.highest_frag_index = 0;
+       ins->code.offset = 0;
+       ins->code.size = 0;
+       ins->nscb = 0;
+       ins->ntask = 0;
+       ins->nmodules = 0;
+
+       /* default SPDIF input sample rate
+          to 48000 khz */
+       ins->spdif_in_sample_rate = 48000;
+
+       /* maximize volume */
+       ins->dac_volume_right = 0x8000;
+       ins->dac_volume_left = 0x8000;
+       ins->spdif_input_volume_right = 0x8000;
+       ins->spdif_input_volume_left = 0x8000;
+
+       /* set left and right validity bits and
+          default channel status */
+       ins->spdif_csuv_default =
+               ins->spdif_csuv_stream =
+        /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
+        /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
+        /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
+        /* left and right validity bits */ (1 << 13) | (1 << 12);
+
+       return ins;
+
+error:
+       kfree(ins->modules);
+       kfree(ins->code.data);
+       vfree(ins->symbol_table.symbols);
+       kfree(ins);
+       return NULL;
+}
+
+void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
+{
+       int i;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(!ins))
+               return;
+
+       mutex_lock(&chip->spos_mutex);
+       for (i = 0; i < ins->nscb; ++i) {
+               if (ins->scbs[i].deleted) continue;
+
+               cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
+#ifdef CONFIG_PM_SLEEP
+               kfree(ins->scbs[i].data);
+#endif
+       }
+
+       kfree(ins->code.data);
+       vfree(ins->symbol_table.symbols);
+       kfree(ins->modules);
+       kfree(ins);
+       mutex_unlock(&chip->spos_mutex);
+}
+
+static int dsp_load_parameter(struct snd_cs46xx *chip,
+                             struct dsp_segment_desc *parameter)
+{
+       u32 doffset, dsize;
+
+       if (!parameter) {
+               dev_dbg(chip->card->dev,
+                       "dsp_spos: module got no parameter segment\n");
+               return 0;
+       }
+
+       doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
+       dsize   = parameter->size * 4;
+
+       dev_dbg(chip->card->dev,
+               "dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
+                   doffset,doffset + dsize);
+       if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: failed to download parameter data to DSP\n");
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int dsp_load_sample(struct snd_cs46xx *chip,
+                          struct dsp_segment_desc *sample)
+{
+       u32 doffset, dsize;
+
+       if (!sample) {
+               dev_dbg(chip->card->dev,
+                       "dsp_spos: module got no sample segment\n");
+               return 0;
+       }
+
+       doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
+       dsize   =  sample->size * 4;
+
+       dev_dbg(chip->card->dev,
+               "dsp_spos: downloading sample data to chip (%08x-%08x)\n",
+                   doffset,doffset + dsize);
+
+       if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: failed to sample data to DSP\n");
+               return -EINVAL;
+       }
+       return 0;
+}
+
+int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
+       u32 doffset, dsize;
+       int err;
+
+       if (ins->nmodules == DSP_MAX_MODULES - 1) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: to many modules loaded into DSP\n");
+               return -ENOMEM;
+       }
+
+       dev_dbg(chip->card->dev,
+               "dsp_spos: loading module %s into DSP\n", module->module_name);
+  
+       if (ins->nmodules == 0) {
+               dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
+               snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
+       }
+  
+       err = dsp_load_parameter(chip, get_segment_desc(module,
+                                                       SEGTYPE_SP_PARAMETER));
+       if (err < 0)
+               return err;
+
+       if (ins->nmodules == 0) {
+               dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
+               snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
+       }
+
+       err = dsp_load_sample(chip, get_segment_desc(module,
+                                                    SEGTYPE_SP_SAMPLE));
+       if (err < 0)
+               return err;
+
+       if (ins->nmodules == 0) {
+               dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
+               snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
+       }
+
+       if (code == NULL) {
+               dev_dbg(chip->card->dev,
+                       "dsp_spos: module got no code segment\n");
+       } else {
+               if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
+                       dev_err(chip->card->dev,
+                               "dsp_spos: no space available in DSP\n");
+                       return -ENOMEM;
+               }
+
+               module->load_address = ins->code.offset;
+               module->overlay_begin_address = 0x000;
+
+               /* if module has a code segment it must have
+                  symbol table */
+               if (snd_BUG_ON(!module->symbol_table.symbols))
+                       return -ENOMEM;
+               if (add_symbols(chip,module)) {
+                       dev_err(chip->card->dev,
+                               "dsp_spos: failed to load symbol table\n");
+                       return -ENOMEM;
+               }
+    
+               doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
+               dsize   = code->size * 4;
+               dev_dbg(chip->card->dev,
+                       "dsp_spos: downloading code to chip (%08x-%08x)\n",
+                           doffset,doffset + dsize);   
+
+               module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
+
+               if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
+                       dev_err(chip->card->dev,
+                               "dsp_spos: failed to download code to DSP\n");
+                       return -EINVAL;
+               }
+
+               ins->code.offset += code->size;
+       }
+
+       /* NOTE: module segments and symbol table must be
+          statically allocated. Case that module data is
+          not generated by the ospparser */
+       ins->modules[ins->nmodules] = *module;
+       ins->nmodules++;
+
+       return 0;
+}
+
+struct dsp_symbol_entry *
+cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
+{
+       int i;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
+
+               if (ins->symbol_table.symbols[i].deleted)
+                       continue;
+
+               if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
+                   ins->symbol_table.symbols[i].symbol_type == symbol_type) {
+                       return (ins->symbol_table.symbols + i);
+               }
+       }
+
+#if 0
+       dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
+               symbol_name,symbol_type);
+#endif
+
+       return NULL;
+}
+
+
+#ifdef CONFIG_PROC_FS
+static struct dsp_symbol_entry *
+cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
+{
+       int i;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
+
+               if (ins->symbol_table.symbols[i].deleted)
+                       continue;
+
+               if (ins->symbol_table.symbols[i].address == address &&
+                   ins->symbol_table.symbols[i].symbol_type == symbol_type) {
+                       return (ins->symbol_table.symbols + i);
+               }
+       }
+
+
+       return NULL;
+}
+
+
+static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
+                                              struct snd_info_buffer *buffer)
+{
+       struct snd_cs46xx *chip = entry->private_data;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i;
+
+       snd_iprintf(buffer, "SYMBOLS:\n");
+       for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
+               char *module_str = "system";
+
+               if (ins->symbol_table.symbols[i].deleted)
+                       continue;
+
+               if (ins->symbol_table.symbols[i].module != NULL) {
+                       module_str = ins->symbol_table.symbols[i].module->module_name;
+               }
+
+    
+               snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
+                           ins->symbol_table.symbols[i].address,
+                           ins->symbol_table.symbols[i].symbol_type,
+                           ins->symbol_table.symbols[i].symbol_name,
+                           module_str);    
+       }
+}
+
+
+static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
+                                         struct snd_info_buffer *buffer)
+{
+       struct snd_cs46xx *chip = entry->private_data;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i,j;
+
+       mutex_lock(&chip->spos_mutex);
+       snd_iprintf(buffer, "MODULES:\n");
+       for ( i = 0; i < ins->nmodules; ++i ) {
+               snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
+               snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
+               snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
+
+               for (j = 0; j < ins->modules[i].nsegments; ++ j) {
+                       struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
+                       snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
+                                   desc->segment_type,desc->offset, desc->size);
+               }
+       }
+       mutex_unlock(&chip->spos_mutex);
+}
+
+static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
+                                           struct snd_info_buffer *buffer)
+{
+       struct snd_cs46xx *chip = entry->private_data;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i, j, col;
+       void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
+
+       mutex_lock(&chip->spos_mutex);
+       snd_iprintf(buffer, "TASK TREES:\n");
+       for ( i = 0; i < ins->ntask; ++i) {
+               snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
+
+               for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
+                       u32 val;
+                       if (col == 4) {
+                               snd_iprintf(buffer,"\n");
+                               col = 0;
+                       }
+                       val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
+                       snd_iprintf(buffer,"%08x ",val);
+               }
+       }
+
+       snd_iprintf(buffer,"\n");  
+       mutex_unlock(&chip->spos_mutex);
+}
+
+static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
+                                     struct snd_info_buffer *buffer)
+{
+       struct snd_cs46xx *chip = entry->private_data;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i;
+
+       mutex_lock(&chip->spos_mutex);
+       snd_iprintf(buffer, "SCB's:\n");
+       for ( i = 0; i < ins->nscb; ++i) {
+               if (ins->scbs[i].deleted)
+                       continue;
+               snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
+
+               if (ins->scbs[i].parent_scb_ptr != NULL) {
+                       snd_iprintf(buffer,"parent [%s:%04x] ", 
+                                   ins->scbs[i].parent_scb_ptr->scb_name,
+                                   ins->scbs[i].parent_scb_ptr->address);
+               } else snd_iprintf(buffer,"parent [none] ");
+
+               snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
+                           ins->scbs[i].sub_list_ptr->scb_name,
+                           ins->scbs[i].sub_list_ptr->address,
+                           ins->scbs[i].next_scb_ptr->scb_name,
+                           ins->scbs[i].next_scb_ptr->address,
+                           ins->scbs[i].task_entry->symbol_name,
+                           ins->scbs[i].task_entry->address);
+       }
+
+       snd_iprintf(buffer,"\n");
+       mutex_unlock(&chip->spos_mutex);
+}
+
+static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
+                                                struct snd_info_buffer *buffer)
+{
+       struct snd_cs46xx *chip = entry->private_data;
+       /*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
+       unsigned int i, col = 0;
+       void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
+       struct dsp_symbol_entry * symbol; 
+
+       for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
+                       col = 0;
+                       snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+}
+
+static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
+                                             struct snd_info_buffer *buffer)
+{
+       struct snd_cs46xx *chip = entry->private_data;
+       int i,col = 0;
+       void __iomem *dst = chip->region.idx[2].remap_addr;
+
+       snd_iprintf(buffer,"PCMREADER:\n");
+       for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+
+       snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
+
+       col = 0;
+       for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+
+       snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
+       col = 0;
+       for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+               
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+
+
+       snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
+       col = 0;
+       for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+
+       snd_iprintf(buffer,"\n...\n");
+       col = 0;
+
+       for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+
+
+       snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
+       col = 0;
+       for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+
+       snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
+       col = 0;
+       for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+#if 0
+       snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
+       col = 0;
+       for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+#endif
+
+       snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
+       col = 0;
+       for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
+               if (col == 4) {
+                       snd_iprintf(buffer,"\n");
+                       col = 0;
+               }
+
+               if (col == 0) {
+                       snd_iprintf(buffer, "%04X ",i);
+               }
+               
+               snd_iprintf(buffer,"%08X ",readl(dst + i));
+       }
+       snd_iprintf(buffer,"\n");
+}
+
+int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
+{
+       struct snd_info_entry *entry;
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i;
+
+       ins->snd_card = card;
+
+       if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
+      
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+
+       ins->proc_dsp_dir = entry;
+
+       if (!ins->proc_dsp_dir)
+               return -ENOMEM;
+
+       if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->private_data = chip;
+               entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
+               entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+       ins->proc_sym_info_entry = entry;
+    
+       if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->private_data = chip;
+               entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
+               entry->c.text.read = cs46xx_dsp_proc_modules_read;
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+       ins->proc_modules_info_entry = entry;
+
+       if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->private_data = chip;
+               entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
+               entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+       ins->proc_parameter_dump_info_entry = entry;
+
+       if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->private_data = chip;
+               entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
+               entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+       ins->proc_sample_dump_info_entry = entry;
+
+       if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->private_data = chip;
+               entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
+               entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+       ins->proc_task_info_entry = entry;
+
+       if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
+               entry->content = SNDRV_INFO_CONTENT_TEXT;
+               entry->private_data = chip;
+               entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
+               entry->c.text.read = cs46xx_dsp_proc_scb_read;
+               if (snd_info_register(entry) < 0) {
+                       snd_info_free_entry(entry);
+                       entry = NULL;
+               }
+       }
+       ins->proc_scb_info_entry = entry;
+
+       mutex_lock(&chip->spos_mutex);
+       /* register/update SCB's entries on proc */
+       for (i = 0; i < ins->nscb; ++i) {
+               if (ins->scbs[i].deleted) continue;
+
+               cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
+       }
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i;
+
+       snd_info_free_entry(ins->proc_sym_info_entry);
+       ins->proc_sym_info_entry = NULL;
+
+       snd_info_free_entry(ins->proc_modules_info_entry);
+       ins->proc_modules_info_entry = NULL;
+
+       snd_info_free_entry(ins->proc_parameter_dump_info_entry);
+       ins->proc_parameter_dump_info_entry = NULL;
+
+       snd_info_free_entry(ins->proc_sample_dump_info_entry);
+       ins->proc_sample_dump_info_entry = NULL;
+
+       snd_info_free_entry(ins->proc_scb_info_entry);
+       ins->proc_scb_info_entry = NULL;
+
+       snd_info_free_entry(ins->proc_task_info_entry);
+       ins->proc_task_info_entry = NULL;
+
+       mutex_lock(&chip->spos_mutex);
+       for (i = 0; i < ins->nscb; ++i) {
+               if (ins->scbs[i].deleted) continue;
+               cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
+       }
+       mutex_unlock(&chip->spos_mutex);
+
+       snd_info_free_entry(ins->proc_dsp_dir);
+       ins->proc_dsp_dir = NULL;
+
+       return 0;
+}
+#endif /* CONFIG_PROC_FS */
+
+static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
+                                  u32  dest, int size)
+{
+       void __iomem *spdst = chip->region.idx[1].remap_addr + 
+               DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
+       int i;
+
+       for (i = 0; i < size; ++i) {
+               dev_dbg(chip->card->dev, "addr %p, val %08x\n",
+                       spdst, task_data[i]);
+               writel(task_data[i],spdst);
+               spdst += sizeof(u32);
+       }
+}
+
+static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
+{
+       void __iomem *spdst = chip->region.idx[1].remap_addr + 
+               DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
+       int i;
+
+       for (i = 0; i < 0x10; ++i) {
+               dev_dbg(chip->card->dev, "addr %p, val %08x\n",
+                       spdst, scb_data[i]);
+               writel(scb_data[i],spdst);
+               spdst += sizeof(u32);
+       }
+}
+
+static int find_free_scb_index (struct dsp_spos_instance * ins)
+{
+       int index = ins->nscb, i;
+
+       for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
+               if (ins->scbs[i].deleted) {
+                       index = i;
+                       break;
+               }
+       }
+
+       return index;
+}
+
+static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_scb_descriptor * desc = NULL;
+       int index;
+
+       if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: got no place for other SCB\n");
+               return NULL;
+       }
+
+       index = find_free_scb_index (ins);
+
+       memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
+       strcpy(ins->scbs[index].scb_name, name);
+       ins->scbs[index].address = dest;
+       ins->scbs[index].index = index;
+       ins->scbs[index].ref_count = 1;
+
+       desc = (ins->scbs + index);
+       ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
+
+       if (index > ins->scb_highest_frag_index)
+               ins->scb_highest_frag_index = index;
+
+       if (index == ins->nscb)
+               ins->nscb++;
+
+       return desc;
+}
+
+static struct dsp_task_descriptor *
+_map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_task_descriptor * desc = NULL;
+
+       if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: got no place for other TASK\n");
+               return NULL;
+       }
+
+       if (name)
+               strcpy(ins->tasks[ins->ntask].task_name, name);
+       else
+               strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
+       ins->tasks[ins->ntask].address = dest;
+       ins->tasks[ins->ntask].size = size;
+
+       /* quick find in list */
+       ins->tasks[ins->ntask].index = ins->ntask;
+       desc = (ins->tasks + ins->ntask);
+       ins->ntask++;
+
+       if (name)
+               add_symbol (chip,name,dest,SYMBOL_PARAMETER);
+       return desc;
+}
+
+#define SCB_BYTES      (0x10 * 4)
+
+struct dsp_scb_descriptor *
+cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
+{
+       struct dsp_scb_descriptor * desc;
+
+#ifdef CONFIG_PM_SLEEP
+       /* copy the data for resume */
+       scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
+       if (!scb_data)
+               return NULL;
+#endif
+
+       desc = _map_scb (chip,name,dest);
+       if (desc) {
+               desc->data = scb_data;
+               _dsp_create_scb(chip,scb_data,dest);
+       } else {
+               dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
+#ifdef CONFIG_PM_SLEEP
+               kfree(scb_data);
+#endif
+       }
+
+       return desc;
+}
+
+
+static struct dsp_task_descriptor *
+cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
+                            u32 dest, int size)
+{
+       struct dsp_task_descriptor * desc;
+
+       desc = _map_task_tree (chip,name,dest,size);
+       if (desc) {
+               desc->data = task_data;
+               _dsp_create_task_tree(chip,task_data,dest,size);
+       } else {
+               dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
+       }
+
+       return desc;
+}
+
+int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_symbol_entry * fg_task_tree_header_code;
+       struct dsp_symbol_entry * task_tree_header_code;
+       struct dsp_symbol_entry * task_tree_thread;
+       struct dsp_symbol_entry * null_algorithm;
+       struct dsp_symbol_entry * magic_snoop_task;
+
+       struct dsp_scb_descriptor * timing_master_scb;
+       struct dsp_scb_descriptor * codec_out_scb;
+       struct dsp_scb_descriptor * codec_in_scb;
+       struct dsp_scb_descriptor * src_task_scb;
+       struct dsp_scb_descriptor * master_mix_scb;
+       struct dsp_scb_descriptor * rear_mix_scb;
+       struct dsp_scb_descriptor * record_mix_scb;
+       struct dsp_scb_descriptor * write_back_scb;
+       struct dsp_scb_descriptor * vari_decimate_scb;
+       struct dsp_scb_descriptor * rear_codec_out_scb;
+       struct dsp_scb_descriptor * clfe_codec_out_scb;
+       struct dsp_scb_descriptor * magic_snoop_scb;
+       
+       int fifo_addr, fifo_span, valid_slots;
+
+       static struct dsp_spos_control_block sposcb = {
+               /* 0 */ HFG_TREE_SCB,HFG_STACK,
+               /* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
+               /* 2 */ DSP_SPOS_DC,0,
+               /* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
+               /* 4 */ 0,0,
+               /* 5 */ DSP_SPOS_UU,0,
+               /* 6 */ FG_TASK_HEADER_ADDR,0,
+               /* 7 */ 0,0,
+               /* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
+               /* 9 */ 0,
+               /* A */ 0,HFG_FIRST_EXECUTE_MODE,
+               /* B */ DSP_SPOS_UU,DSP_SPOS_UU,
+               /* C */ DSP_SPOS_DC_DC,
+               /* D */ DSP_SPOS_DC_DC,
+               /* E */ DSP_SPOS_DC_DC,
+               /* F */ DSP_SPOS_DC_DC
+       };
+
+       cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
+
+       null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
+       if (null_algorithm == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol NULLALGORITHM not found\n");
+               return -EIO;
+       }
+
+       fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);  
+       if (fg_task_tree_header_code == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
+               return -EIO;
+       }
+
+       task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);  
+       if (task_tree_header_code == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol TASKTREEHEADERCODE not found\n");
+               return -EIO;
+       }
+  
+       task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
+       if (task_tree_thread == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol TASKTREETHREAD not found\n");
+               return -EIO;
+       }
+
+       magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
+       if (magic_snoop_task == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol MAGICSNOOPTASK not found\n");
+               return -EIO;
+       }
+  
+       {
+               /* create the null SCB */
+               static struct dsp_generic_scb null_scb = {
+                       { 0, 0, 0, 0 },
+                       { 0, 0, 0, 0, 0 },
+                       NULL_SCB_ADDR, NULL_SCB_ADDR,
+                       0, 0, 0, 0, 0,
+                       {
+                               0,0,
+                               0,0,
+                       }
+               };
+
+               null_scb.entry_point = null_algorithm->address;
+               ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
+               ins->the_null_scb->task_entry = null_algorithm;
+               ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
+               ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
+               ins->the_null_scb->parent_scb_ptr = NULL;
+               cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
+       }
+
+       {
+               /* setup foreground task tree */
+               static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
+                       { FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         0x0000,DSP_SPOS_DC,
+                         DSP_SPOS_DC, DSP_SPOS_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC,DSP_SPOS_DC },
+    
+                       {
+                               BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR, 
+                               0,
+                               FG_TASK_HEADER_ADDR + TCBData,                  
+                       },
+
+                       {    
+                               4,0,
+                               1,0,
+                               2,SPOSCB_ADDR + HFGFlags,
+                               0,0,
+                               FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
+                       },
+
+                       {
+                               DSP_SPOS_DC,0,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_UU,1,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC 
+                       },                                               
+                       { 
+                               FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
+                               0,0
+                       }
+               };
+
+               fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
+               fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
+               cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
+       }
+
+
+       {
+               /* setup foreground task tree */
+               static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
+                       { DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC, DSP_SPOS_DC,
+                         DSP_SPOS_DC, DSP_SPOS_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC_DC,
+                         DSP_SPOS_DC,DSP_SPOS_DC },
+    
+                       {
+                               NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
+                               0,
+                               BG_TREE_SCB_ADDR + TCBData,
+                       },
+
+                       {    
+                               9999,0,
+                               0,1,
+                               0,SPOSCB_ADDR + HFGFlags,
+                               0,0,
+                               BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
+                       },
+
+                       {
+                               DSP_SPOS_DC,0,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DC,DSP_SPOS_DC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_UU,1,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC,
+                               DSP_SPOS_DCDC 
+                       },                                               
+                       { 
+                               BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
+                               0,0
+                       }
+               };
+
+               bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
+               bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
+               cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
+       }
+
+       /* create timing master SCB */
+       timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
+
+       /* create the CODEC output task */
+       codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
+                                                       MASTERMIX_SCB_ADDR,
+                                                       CODECOUT_SCB_ADDR,timing_master_scb,
+                                                       SCB_ON_PARENT_SUBLIST_SCB);
+
+       if (!codec_out_scb) goto _fail_end;
+       /* create the master mix SCB */
+       master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
+                                                       MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
+                                                       codec_out_scb,
+                                                       SCB_ON_PARENT_SUBLIST_SCB);
+       ins->master_mix_scb = master_mix_scb;
+
+       if (!master_mix_scb) goto _fail_end;
+
+       /* create codec in */
+       codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
+                                                     CODEC_INPUT_BUF1,
+                                                     CODECIN_SCB_ADDR,codec_out_scb,
+                                                     SCB_ON_PARENT_NEXT_SCB);
+       if (!codec_in_scb) goto _fail_end;
+       ins->codec_in_scb = codec_in_scb;
+
+       /* create write back scb */
+       write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
+                                                             WRITE_BACK_BUF1,WRITE_BACK_SPB,
+                                                             WRITEBACK_SCB_ADDR,
+                                                             timing_master_scb,
+                                                             SCB_ON_PARENT_NEXT_SCB);
+       if (!write_back_scb) goto _fail_end;
+
+       {
+               static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
+                       0x00020000,
+                       0x0000ffff
+               };
+    
+               if (!cs46xx_dsp_create_task_tree(chip, NULL,
+                                                (u32 *)&mix2_ostream_spb,
+                                                WRITE_BACK_SPB, 2))
+                       goto _fail_end;
+       }
+
+       /* input sample converter */
+       vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
+                                                               VARI_DECIMATE_BUF0,
+                                                               VARI_DECIMATE_BUF1,
+                                                               VARIDECIMATE_SCB_ADDR,
+                                                               write_back_scb,
+                                                               SCB_ON_PARENT_SUBLIST_SCB);
+       if (!vari_decimate_scb) goto _fail_end;
+
+       /* create the record mixer SCB */
+       record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
+                                                       MIX_SAMPLE_BUF2,
+                                                       RECORD_MIXER_SCB_ADDR,
+                                                       vari_decimate_scb,
+                                                       SCB_ON_PARENT_SUBLIST_SCB);
+       ins->record_mixer_scb = record_mix_scb;
+
+       if (!record_mix_scb) goto _fail_end;
+
+       valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
+
+       if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
+               goto _fail_end;
+
+       if (chip->nr_ac97_codecs == 1) {
+               /* output on slot 5 and 11 
+                  on primary CODEC */
+               fifo_addr = 0x20;
+               fifo_span = 0x60;
+
+               /* enable slot 5 and 11 */
+               valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
+       } else {
+               /* output on slot 7 and 8 
+                  on secondary CODEC */
+               fifo_addr = 0x40;
+               fifo_span = 0x10;
+
+               /* enable slot 7 and 8 */
+               valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
+       }
+       /* create CODEC tasklet for rear speakers output*/
+       rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
+                                                            REAR_MIXER_SCB_ADDR,
+                                                            REAR_CODECOUT_SCB_ADDR,codec_in_scb,
+                                                            SCB_ON_PARENT_NEXT_SCB);
+       if (!rear_codec_out_scb) goto _fail_end;
+       
+       
+       /* create the rear PCM channel  mixer SCB */
+       rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
+                                                     MIX_SAMPLE_BUF3,
+                                                     REAR_MIXER_SCB_ADDR,
+                                                     rear_codec_out_scb,
+                                                     SCB_ON_PARENT_SUBLIST_SCB);
+       ins->rear_mix_scb = rear_mix_scb;
+       if (!rear_mix_scb) goto _fail_end;
+       
+       if (chip->nr_ac97_codecs == 2) {
+               /* create CODEC tasklet for rear Center/LFE output 
+                  slot 6 and 9 on seconadry CODEC */
+               clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
+                                                                    CLFE_MIXER_SCB_ADDR,
+                                                                    CLFE_CODEC_SCB_ADDR,
+                                                                    rear_codec_out_scb,
+                                                                    SCB_ON_PARENT_NEXT_SCB);
+               if (!clfe_codec_out_scb) goto _fail_end;
+               
+               
+               /* create the rear PCM channel  mixer SCB */
+               ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
+                                                                        MIX_SAMPLE_BUF4,
+                                                                        CLFE_MIXER_SCB_ADDR,
+                                                                        clfe_codec_out_scb,
+                                                                        SCB_ON_PARENT_SUBLIST_SCB);
+               if (!ins->center_lfe_mix_scb) goto _fail_end;
+
+               /* enable slot 6 and 9 */
+               valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
+       } else {
+               clfe_codec_out_scb = rear_codec_out_scb;
+               ins->center_lfe_mix_scb = rear_mix_scb;
+       }
+
+       /* enable slots depending on CODEC configuration */
+       snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
+
+       /* the magic snooper */
+       magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
+                                                            OUTPUT_SNOOP_BUFFER,
+                                                            codec_out_scb,
+                                                            clfe_codec_out_scb,
+                                                            SCB_ON_PARENT_NEXT_SCB);
+
+    
+       if (!magic_snoop_scb) goto _fail_end;
+       ins->ref_snoop_scb = magic_snoop_scb;
+
+       /* SP IO access */
+       if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
+                                             magic_snoop_scb,
+                                             SCB_ON_PARENT_NEXT_SCB))
+               goto _fail_end;
+
+       /* SPDIF input sampel rate converter */
+       src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
+                                                     ins->spdif_in_sample_rate,
+                                                     SRC_OUTPUT_BUF1,
+                                                     SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
+                                                     master_mix_scb,
+                                                     SCB_ON_PARENT_SUBLIST_SCB,1);
+
+       if (!src_task_scb) goto _fail_end;
+       cs46xx_src_unlink(chip,src_task_scb);
+
+       /* NOTE: when we now how to detect the SPDIF input
+          sample rate we will use this SRC to adjust it */
+       ins->spdif_in_src = src_task_scb;
+
+       cs46xx_dsp_async_init(chip,timing_master_scb);
+       return 0;
+
+ _fail_end:
+       dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
+       return -EINVAL;
+}
+
+static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
+                                 struct dsp_scb_descriptor * fg_entry)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_symbol_entry * s16_async_codec_input_task;
+       struct dsp_symbol_entry * spdifo_task;
+       struct dsp_symbol_entry * spdifi_task;
+       struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
+
+       s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
+       if (s16_async_codec_input_task == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
+               return -EIO;
+       }
+       spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
+       if (spdifo_task == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol SPDIFOTASK not found\n");
+               return -EIO;
+       }
+
+       spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
+       if (spdifi_task == NULL) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: symbol SPDIFITASK not found\n");
+               return -EIO;
+       }
+
+       {
+               /* 0xBC0 */
+               struct dsp_spdifoscb spdifo_scb = {
+                       /* 0 */ DSP_SPOS_UUUU,
+                       {
+                               /* 1 */ 0xb0, 
+                               /* 2 */ 0, 
+                               /* 3 */ 0, 
+                               /* 4 */ 0, 
+                       },
+                       /* NOTE: the SPDIF output task read samples in mono
+                          format, the AsynchFGTxSCB task writes to buffer
+                          in stereo format
+                       */
+                       /* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
+                       /* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
+                       /* 7 */ 0,0, 
+                       /* 8 */ 0, 
+                       /* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR, 
+                       /* A */ spdifo_task->address,
+                       SPDIFO_SCB_INST + SPDIFOFIFOPointer,
+                       {
+                               /* B */ 0x0040, /*DSP_SPOS_UUUU,*/
+                               /* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
+                       },
+                       /* D */ 0x804c,0,                                                         /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
+                       /* E */ 0x0108,0x0001,                                    /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
+                       /* F */ DSP_SPOS_UUUU                                     /* SPDIFOFree; */
+               };
+
+               /* 0xBB0 */
+               struct dsp_spdifiscb spdifi_scb = {
+                       /* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
+                       /* 1 */ 0,
+                       /* 2 */ 0,
+                       /* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */ 
+                       /* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
+                       /* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
+                       /* 6 */ DSP_SPOS_UUUU,  /* Free3 */
+                       /* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
+                       /* 8 */ DSP_SPOS_UUUU,  /* TempStatus */
+                       /* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
+                       /* A */ spdifi_task->address,
+                       SPDIFI_SCB_INST + SPDIFIFIFOPointer,
+                       /* NOTE: The SPDIF input task write the sample in mono
+                          format from the HW FIFO, the AsynchFGRxSCB task  reads 
+                          them in stereo 
+                       */
+                       /* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
+                       /* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
+                       /* D */ 0x8048,0,
+                       /* E */ 0x01f0,0x0001,
+                       /* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
+               };
+
+               /* 0xBA0 */
+               struct dsp_async_codec_input_scb async_codec_input_scb = {
+                       /* 0 */ DSP_SPOS_UUUU,
+                       /* 1 */ 0,
+                       /* 2 */ 0,
+                       /* 3 */ 1,4000,
+                       /* 4 */ 0x0118,0x0001,
+                       /* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
+                       /* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
+                       /* 7 */ DSP_SPOS_UU,0x3,
+                       /* 8 */ DSP_SPOS_UUUU,
+                       /* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
+                       /* A */ s16_async_codec_input_task->address,
+                       HFG_TREE_SCB + AsyncCIOFIFOPointer,
+              
+                       /* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
+                       /* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
+      
+#ifdef UseASER1Input
+                       /* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;        
+                          Init. 0000:8042: for ASER1
+                          0000:8044: for ASER2 */
+                       /* D */ 0x8042,0,
+      
+                       /* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
+                          Init 1 stero:8050 ASER1
+                          Init 0  mono:8070 ASER2
+                          Init 1 Stereo : 0100 ASER1 (Set by script) */
+                       /* E */ 0x0100,0x0001,
+      
+#endif
+      
+#ifdef UseASER2Input
+                       /* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
+                          Init. 0000:8042: for ASER1
+                          0000:8044: for ASER2 */
+                       /* D */ 0x8044,0,
+      
+                       /* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
+                          Init 1 stero:8050 ASER1
+                          Init 0  mono:8070 ASER2
+                          Init 1 Stereo : 0100 ASER1 (Set by script) */
+                       /* E */ 0x0110,0x0001,
+      
+#endif
+      
+                       /* short AsyncCIOutputBufModulo:AsyncCIFree;
+                          AsyncCIOutputBufModulo: The modulo size for   
+                          the output buffer of this task */
+                       /* F */ 0, /* DSP_SPOS_UUUU */
+               };
+
+               spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
+
+               if (snd_BUG_ON(!spdifo_scb_desc))
+                       return -EIO;
+               spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
+               if (snd_BUG_ON(!spdifi_scb_desc))
+                       return -EIO;
+               async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
+               if (snd_BUG_ON(!async_codec_scb_desc))
+                       return -EIO;
+
+               async_codec_scb_desc->parent_scb_ptr = NULL;
+               async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
+               async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
+               async_codec_scb_desc->task_entry = s16_async_codec_input_task;
+
+               spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
+               spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
+               spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
+               spdifi_scb_desc->task_entry = spdifi_task;
+
+               spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
+               spdifo_scb_desc->next_scb_ptr = fg_entry;
+               spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
+               spdifo_scb_desc->task_entry = spdifo_task;
+
+               /* this one is faked, as the parnet of SPDIFO task
+                  is the FG task tree */
+               fg_entry->parent_scb_ptr = spdifo_scb_desc;
+
+               /* for proc fs */
+               cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
+               cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
+               cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
+
+               /* Async MASTER ENABLE, affects both SPDIF input and output */
+               snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
+       }
+
+       return 0;
+}
+
+static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       /* set SPDIF output FIFO slot */
+       snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
+
+       /* SPDIF output MASTER ENABLE */
+       cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
+
+       /* right and left validate bit */
+       /*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
+       cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
+
+       /* clear fifo pointer */
+       cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
+
+       /* monitor state */
+       ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
+}
+
+int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       /* if hw-ctrl already enabled, turn off to reset logic ... */
+       cs46xx_dsp_disable_spdif_hw (chip);
+       udelay(50);
+
+       /* set SPDIF output FIFO slot */
+       snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
+
+       /* SPDIF output MASTER ENABLE */
+       cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
+
+       /* right and left validate bit */
+       cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
+
+       /* monitor state */
+       ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
+
+       return 0;
+}
+
+int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       /* turn on amplifier */
+       chip->active_ctrl(chip, 1);
+       chip->amplifier_ctrl(chip, 1);
+
+       if (snd_BUG_ON(ins->asynch_rx_scb))
+               return -EINVAL;
+       if (snd_BUG_ON(!ins->spdif_in_src))
+               return -EINVAL;
+
+       mutex_lock(&chip->spos_mutex);
+
+       if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
+               /* time countdown enable */
+               cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
+               /* NOTE: 80000005 value is just magic. With all values
+                  that I've tested this one seem to give the best result.
+                  Got no explication why. (Benny) */
+
+               /* SPDIF input MASTER ENABLE */
+               cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
+
+               ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
+       }
+
+       /* create and start the asynchronous receiver SCB */
+       ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
+                                                               ASYNCRX_SCB_ADDR,
+                                                               SPDIFI_SCB_INST,
+                                                               SPDIFI_IP_OUTPUT_BUFFER1,
+                                                               ins->spdif_in_src,
+                                                               SCB_ON_PARENT_SUBLIST_SCB);
+
+       spin_lock_irq(&chip->reg_lock);
+
+       /* reset SPDIF input sample buffer pointer */
+       /*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
+         (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
+
+       /* reset FIFO ptr */
+       /*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
+       cs46xx_src_link(chip,ins->spdif_in_src);
+
+       /* unmute SRC volume */
+       cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
+
+       spin_unlock_irq(&chip->reg_lock);
+
+       /* set SPDIF input sample rate and unmute
+          NOTE: only 48khz support for SPDIF input this time */
+       /* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
+
+       /* monitor state */
+       ins->spdif_status_in = 1;
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(!ins->asynch_rx_scb))
+               return -EINVAL;
+       if (snd_BUG_ON(!ins->spdif_in_src))
+               return -EINVAL;
+
+       mutex_lock(&chip->spos_mutex);
+
+       /* Remove the asynchronous receiver SCB */
+       cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
+       ins->asynch_rx_scb = NULL;
+
+       cs46xx_src_unlink(chip,ins->spdif_in_src);
+
+       /* monitor state */
+       ins->spdif_status_in = 0;
+       mutex_unlock(&chip->spos_mutex);
+
+       /* restore amplifier */
+       chip->active_ctrl(chip, -1);
+       chip->amplifier_ctrl(chip, -1);
+
+       return 0;
+}
+
+int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(ins->pcm_input))
+               return -EINVAL;
+       if (snd_BUG_ON(!ins->ref_snoop_scb))
+               return -EINVAL;
+
+       mutex_lock(&chip->spos_mutex);
+       ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
+                                                  "PCMSerialInput_Wave");
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(!ins->pcm_input))
+               return -EINVAL;
+
+       mutex_lock(&chip->spos_mutex);
+       cs46xx_dsp_remove_scb (chip,ins->pcm_input);
+       ins->pcm_input = NULL;
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(ins->adc_input))
+               return -EINVAL;
+       if (snd_BUG_ON(!ins->codec_in_scb))
+               return -EINVAL;
+
+       mutex_lock(&chip->spos_mutex);
+       ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
+                                                 "PCMSerialInput_ADC");
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       if (snd_BUG_ON(!ins->adc_input))
+               return -EINVAL;
+
+       mutex_lock(&chip->spos_mutex);
+       cs46xx_dsp_remove_scb (chip,ins->adc_input);
+       ins->adc_input = NULL;
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
+{
+       u32 temp;
+       int  i;
+
+       /* santiy check the parameters.  (These numbers are not 100% correct.  They are
+          a rough guess from looking at the controller spec.) */
+       if (address < 0x8000 || address >= 0x9000)
+               return -EINVAL;
+        
+       /* initialize the SP_IO_WRITE SCB with the data. */
+       temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
+
+       snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
+       snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
+       snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
+    
+       /* Poke this location to tell the task to start */
+       snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
+
+       /* Verify that the task ran */
+       for (i=0; i<25; i++) {
+               udelay(125);
+
+               temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
+               if (temp == 0x00000000)
+                       break;
+       }
+
+       if (i == 25) {
+               dev_err(chip->card->dev,
+                       "dsp_spos: SPIOWriteTask not responding\n");
+               return -EBUSY;
+       }
+
+       return 0;
+}
+
+int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       struct dsp_scb_descriptor * scb; 
+
+       mutex_lock(&chip->spos_mutex);
+       
+       /* main output */
+       scb = ins->master_mix_scb->sub_list_ptr;
+       while (scb != ins->the_null_scb) {
+               cs46xx_dsp_scb_set_volume (chip,scb,left,right);
+               scb = scb->next_scb_ptr;
+       }
+
+       /* rear output */
+       scb = ins->rear_mix_scb->sub_list_ptr;
+       while (scb != ins->the_null_scb) {
+               cs46xx_dsp_scb_set_volume (chip,scb,left,right);
+               scb = scb->next_scb_ptr;
+       }
+
+       ins->dac_volume_left = left;
+       ins->dac_volume_right = right;
+
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+
+       mutex_lock(&chip->spos_mutex);
+
+       if (ins->asynch_rx_scb != NULL)
+               cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
+                                          left,right);
+
+       ins->spdif_input_volume_left = left;
+       ins->spdif_input_volume_right = right;
+
+       mutex_unlock(&chip->spos_mutex);
+
+       return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+int cs46xx_dsp_resume(struct snd_cs46xx * chip)
+{
+       struct dsp_spos_instance * ins = chip->dsp_spos_instance;
+       int i, err;
+
+       /* clear parameter, sample and code areas */
+       snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
+                            DSP_PARAMETER_BYTE_SIZE);
+       snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
+                            DSP_SAMPLE_BYTE_SIZE);
+       snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
+
+       for (i = 0; i < ins->nmodules; i++) {
+               struct dsp_module_desc *module = &ins->modules[i];
+               struct dsp_segment_desc *seg;
+               u32 doffset, dsize;
+
+               seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
+               err = dsp_load_parameter(chip, seg);
+               if (err < 0)
+                       return err;
+
+               seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
+               err = dsp_load_sample(chip, seg);
+               if (err < 0)
+                       return err;
+
+               seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
+               if (!seg)
+                       continue;
+
+               doffset = seg->offset * 4 + module->load_address * 4
+                       + DSP_CODE_BYTE_OFFSET;
+               dsize   = seg->size * 4;
+               err = snd_cs46xx_download(chip,
+                                         ins->code.data + module->load_address,
+                                         doffset, dsize);
+               if (err < 0)
+                       return err;
+       }
+
+       for (i = 0; i < ins->ntask; i++) {
+               struct dsp_task_descriptor *t = &ins->tasks[i];
+               _dsp_create_task_tree(chip, t->data, t->address, t->size);
+       }
+
+       for (i = 0; i < ins->nscb; i++) {
+               struct dsp_scb_descriptor *s = &ins->scbs[i];
+               if (s->deleted)
+                       continue;
+               _dsp_create_scb(chip, s->data, s->address);
+       }
+       for (i = 0; i < ins->nscb; i++) {
+               struct dsp_scb_descriptor *s = &ins->scbs[i];
+               if (s->deleted)
+                       continue;
+               if (s->updated)
+                       cs46xx_dsp_spos_update_scb(chip, s);
+               if (s->volume_set)
+                       cs46xx_dsp_scb_set_volume(chip, s,
+                                                 s->volume[0], s->volume[1]);
+       }
+       if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
+               cs46xx_dsp_enable_spdif_hw(chip);
+               snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
+                               (OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
+               if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
+                       cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
+                                           ins->spdif_csuv_stream);
+       }
+       if (chip->dsp_spos_instance->spdif_status_in) {
+               cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
+               cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
+       }
+       return 0;
+}
+#endif