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 <linux/io.h>
24#include <linux/delay.h>
25#include <linux/pm.h>
26#include <linux/init.h>
27#include <linux/slab.h>
28#include <linux/vmalloc.h>
29#include <linux/mutex.h>
30
31#include <sound/core.h>
32#include <sound/control.h>
33#include <sound/info.h>
34#include <sound/asoundef.h>
35#include "cs46xx.h"
36
37#include "cs46xx_lib.h"
38#include "dsp_spos.h"
39
40static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
41				  struct dsp_scb_descriptor * fg_entry);
42
43static enum wide_opcode wide_opcodes[] = {
44	WIDE_FOR_BEGIN_LOOP,
45	WIDE_FOR_BEGIN_LOOP2,
46	WIDE_COND_GOTO_ADDR,
47	WIDE_COND_GOTO_CALL,
48	WIDE_TBEQ_COND_GOTO_ADDR,
49	WIDE_TBEQ_COND_CALL_ADDR,
50	WIDE_TBEQ_NCOND_GOTO_ADDR,
51	WIDE_TBEQ_NCOND_CALL_ADDR,
52	WIDE_TBEQ_COND_GOTO1_ADDR,
53	WIDE_TBEQ_COND_CALL1_ADDR,
54	WIDE_TBEQ_NCOND_GOTOI_ADDR,
55	WIDE_TBEQ_NCOND_CALL1_ADDR
56};
57
58static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
59				       u32 overlay_begin_address)
60{
61	unsigned int i = 0, j, nreallocated = 0;
62	u32 hival,loval,address;
63	u32 mop_operands,mop_type,wide_op;
64	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
65
66	if (snd_BUG_ON(size %2))
67		return -EINVAL;
68
69	while (i < size) {
70		loval = data[i++];
71		hival = data[i++];
72
73		if (ins->code.offset > 0) {
74			mop_operands = (hival >> 6) & 0x03fff;
75			mop_type = mop_operands >> 10;
76
77			/* check for wide type instruction */
78			if (mop_type == 0 &&
79			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
80			    (mop_operands & WIDE_INSTR_MASK) != 0) {
81				wide_op = loval & 0x7f;
82				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
83					if (wide_opcodes[j] == wide_op) {
84						/* need to reallocate instruction */
85						address  = (hival & 0x00FFF) << 5;
86						address |=  loval >> 15;
87
88						dev_dbg(chip->card->dev,
89							"handle_wideop[1]: %05x:%05x addr %04x\n",
90							hival, loval, address);
91
92						if ( !(address & 0x8000) ) {
93							address += (ins->code.offset / 2) - overlay_begin_address;
94						} else {
95							dev_dbg(chip->card->dev,
96								"handle_wideop[1]: ROM symbol not reallocated\n");
97						}
98
99						hival &= 0xFF000;
100						loval &= 0x07FFF;
101
102						hival |= ( (address >> 5)  & 0x00FFF);
103						loval |= ( (address << 15) & 0xF8000);
104
105						address  = (hival & 0x00FFF) << 5;
106						address |=  loval >> 15;
107
108						dev_dbg(chip->card->dev,
109							"handle_wideop:[2] %05x:%05x addr %04x\n",
110							hival, loval, address);						nreallocated++;
111					} /* wide_opcodes[j] == wide_op */
112				} /* for */
113			} /* mod_type == 0 ... */
114		} /* ins->code.offset > 0 */
115
116		ins->code.data[ins->code.size++] = loval;
117		ins->code.data[ins->code.size++] = hival;
118	}
119
120	dev_dbg(chip->card->dev,
121		"dsp_spos: %d instructions reallocated\n", nreallocated);
122	return nreallocated;
123}
124
125static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
126{
127	int i;
128	for (i = 0;i < module->nsegments; ++i) {
129		if (module->segments[i].segment_type == seg_type) {
130			return (module->segments + i);
131		}
132	}
133
134	return NULL;
135};
136
137static int find_free_symbol_index (struct dsp_spos_instance * ins)
138{
139	int index = ins->symbol_table.nsymbols,i;
140
141	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
142		if (ins->symbol_table.symbols[i].deleted) {
143			index = i;
144			break;
145		}
146	}
147
148	return index;
149}
150
151static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
152{
153	int i;
154	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
155
156	if (module->symbol_table.nsymbols > 0) {
157		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
158		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
159			module->overlay_begin_address = module->symbol_table.symbols[0].address;
160		}
161	}
162
163	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
164		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
165			dev_err(chip->card->dev,
166				"dsp_spos: symbol table is full\n");
167			return -ENOMEM;
168		}
169
170
171		if (cs46xx_dsp_lookup_symbol(chip,
172					     module->symbol_table.symbols[i].symbol_name,
173					     module->symbol_table.symbols[i].symbol_type) == NULL) {
174
175			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
176			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
177			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
178			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
179
180			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
181				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
182
183			ins->symbol_table.nsymbols++;
184		} else {
185#if 0
186			dev_dbg(chip->card->dev,
187				"dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
188				module->symbol_table.symbols[i].symbol_name); */
189#endif
190		}
191	}
192
193	return 0;
194}
195
196static struct dsp_symbol_entry *
197add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
198{
199	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
200	struct dsp_symbol_entry * symbol = NULL;
201	int index;
202
203	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
204		dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
205		return NULL;
206	}
207
208	if (cs46xx_dsp_lookup_symbol(chip,
209				     symbol_name,
210				     type) != NULL) {
211		dev_err(chip->card->dev,
212			"dsp_spos: symbol <%s> duplicated\n", symbol_name);
213		return NULL;
214	}
215
216	index = find_free_symbol_index (ins);
217
218	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
219	ins->symbol_table.symbols[index].address = address;
220	ins->symbol_table.symbols[index].symbol_type = type;
221	ins->symbol_table.symbols[index].module = NULL;
222	ins->symbol_table.symbols[index].deleted = 0;
223	symbol = (ins->symbol_table.symbols + index);
224
225	if (index > ins->symbol_table.highest_frag_index)
226		ins->symbol_table.highest_frag_index = index;
227
228	if (index == ins->symbol_table.nsymbols)
229		ins->symbol_table.nsymbols++; /* no frag. in list */
230
231	return symbol;
232}
233
234struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
235{
236	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
237
238	if (ins == NULL)
239		return NULL;
240
241	/* better to use vmalloc for this big table */
242	ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
243					    DSP_MAX_SYMBOLS);
244	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
245	ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
246	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
247		cs46xx_dsp_spos_destroy(chip);
248		goto error;
249	}
250	ins->symbol_table.nsymbols = 0;
251	ins->symbol_table.highest_frag_index = 0;
252	ins->code.offset = 0;
253	ins->code.size = 0;
254	ins->nscb = 0;
255	ins->ntask = 0;
256	ins->nmodules = 0;
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
279error:
280	kfree(ins->modules);
281	kfree(ins->code.data);
282	vfree(ins->symbol_table.symbols);
283	kfree(ins);
284	return NULL;
285}
286
287void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
288{
289	int i;
290	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
291
292	if (snd_BUG_ON(!ins))
293		return;
294
295	mutex_lock(&chip->spos_mutex);
296	for (i = 0; i < ins->nscb; ++i) {
297		if (ins->scbs[i].deleted) continue;
298
299		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
300#ifdef CONFIG_PM_SLEEP
301		kfree(ins->scbs[i].data);
302#endif
303	}
304
305	kfree(ins->code.data);
306	vfree(ins->symbol_table.symbols);
307	kfree(ins->modules);
308	kfree(ins);
309	mutex_unlock(&chip->spos_mutex);
310}
311
312static int dsp_load_parameter(struct snd_cs46xx *chip,
313			      struct dsp_segment_desc *parameter)
314{
315	u32 doffset, dsize;
316
317	if (!parameter) {
318		dev_dbg(chip->card->dev,
319			"dsp_spos: module got no parameter segment\n");
320		return 0;
321	}
322
323	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
324	dsize   = parameter->size * 4;
325
326	dev_dbg(chip->card->dev,
327		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
328		    doffset,doffset + dsize);
329	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
330		dev_err(chip->card->dev,
331			"dsp_spos: failed to download parameter data to DSP\n");
332		return -EINVAL;
333	}
334	return 0;
335}
336
337static int dsp_load_sample(struct snd_cs46xx *chip,
338			   struct dsp_segment_desc *sample)
339{
340	u32 doffset, dsize;
341
342	if (!sample) {
343		dev_dbg(chip->card->dev,
344			"dsp_spos: module got no sample segment\n");
345		return 0;
346	}
347
348	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
349	dsize   =  sample->size * 4;
350
351	dev_dbg(chip->card->dev,
352		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
353		    doffset,doffset + dsize);
354
355	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
356		dev_err(chip->card->dev,
357			"dsp_spos: failed to sample data to DSP\n");
358		return -EINVAL;
359	}
360	return 0;
361}
362
363int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
364{
365	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
366	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
367	u32 doffset, dsize;
368	int err;
369
370	if (ins->nmodules == DSP_MAX_MODULES - 1) {
371		dev_err(chip->card->dev,
372			"dsp_spos: to many modules loaded into DSP\n");
373		return -ENOMEM;
374	}
375
376	dev_dbg(chip->card->dev,
377		"dsp_spos: loading module %s into DSP\n", module->module_name);
378
379	if (ins->nmodules == 0) {
380		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
381		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
382	}
383
384	err = dsp_load_parameter(chip, get_segment_desc(module,
385							SEGTYPE_SP_PARAMETER));
386	if (err < 0)
387		return err;
388
389	if (ins->nmodules == 0) {
390		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
391		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
392	}
393
394	err = dsp_load_sample(chip, get_segment_desc(module,
395						     SEGTYPE_SP_SAMPLE));
396	if (err < 0)
397		return err;
398
399	if (ins->nmodules == 0) {
400		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
401		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
402	}
403
404	if (code == NULL) {
405		dev_dbg(chip->card->dev,
406			"dsp_spos: module got no code segment\n");
407	} else {
408		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
409			dev_err(chip->card->dev,
410				"dsp_spos: no space available in DSP\n");
411			return -ENOMEM;
412		}
413
414		module->load_address = ins->code.offset;
415		module->overlay_begin_address = 0x000;
416
417		/* if module has a code segment it must have
418		   symbol table */
419		if (snd_BUG_ON(!module->symbol_table.symbols))
420			return -ENOMEM;
421		if (add_symbols(chip,module)) {
422			dev_err(chip->card->dev,
423				"dsp_spos: failed to load symbol table\n");
424			return -ENOMEM;
425		}
426
427		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
428		dsize   = code->size * 4;
429		dev_dbg(chip->card->dev,
430			"dsp_spos: downloading code to chip (%08x-%08x)\n",
431			    doffset,doffset + dsize);
432
433		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
434
435		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
436			dev_err(chip->card->dev,
437				"dsp_spos: failed to download code to DSP\n");
438			return -EINVAL;
439		}
440
441		ins->code.offset += code->size;
442	}
443
444	/* NOTE: module segments and symbol table must be
445	   statically allocated. Case that module data is
446	   not generated by the ospparser */
447	ins->modules[ins->nmodules] = *module;
448	ins->nmodules++;
449
450	return 0;
451}
452
453struct dsp_symbol_entry *
454cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
455{
456	int i;
457	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
458
459	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
460
461		if (ins->symbol_table.symbols[i].deleted)
462			continue;
463
464		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
465		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
466			return (ins->symbol_table.symbols + i);
467		}
468	}
469
470#if 0
471	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
472		symbol_name,symbol_type);
473#endif
474
475	return NULL;
476}
477
478
479#ifdef CONFIG_SND_PROC_FS
480static struct dsp_symbol_entry *
481cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
482{
483	int i;
484	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
485
486	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
487
488		if (ins->symbol_table.symbols[i].deleted)
489			continue;
490
491		if (ins->symbol_table.symbols[i].address == address &&
492		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
493			return (ins->symbol_table.symbols + i);
494		}
495	}
496
497
498	return NULL;
499}
500
501
502static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
503					       struct snd_info_buffer *buffer)
504{
505	struct snd_cs46xx *chip = entry->private_data;
506	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
507	int i;
508
509	snd_iprintf(buffer, "SYMBOLS:\n");
510	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
511		char *module_str = "system";
512
513		if (ins->symbol_table.symbols[i].deleted)
514			continue;
515
516		if (ins->symbol_table.symbols[i].module != NULL) {
517			module_str = ins->symbol_table.symbols[i].module->module_name;
518		}
519
520
521		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
522			    ins->symbol_table.symbols[i].address,
523			    ins->symbol_table.symbols[i].symbol_type,
524			    ins->symbol_table.symbols[i].symbol_name,
525			    module_str);
526	}
527}
528
529
530static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
531					  struct snd_info_buffer *buffer)
532{
533	struct snd_cs46xx *chip = entry->private_data;
534	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
535	int i,j;
536
537	mutex_lock(&chip->spos_mutex);
538	snd_iprintf(buffer, "MODULES:\n");
539	for ( i = 0; i < ins->nmodules; ++i ) {
540		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
541		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
542		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
543
544		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
545			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
546			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
547				    desc->segment_type,desc->offset, desc->size);
548		}
549	}
550	mutex_unlock(&chip->spos_mutex);
551}
552
553static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
554					    struct snd_info_buffer *buffer)
555{
556	struct snd_cs46xx *chip = entry->private_data;
557	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
558	int i, j, col;
559	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
560
561	mutex_lock(&chip->spos_mutex);
562	snd_iprintf(buffer, "TASK TREES:\n");
563	for ( i = 0; i < ins->ntask; ++i) {
564		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
565
566		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
567			u32 val;
568			if (col == 4) {
569				snd_iprintf(buffer,"\n");
570				col = 0;
571			}
572			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
573			snd_iprintf(buffer,"%08x ",val);
574		}
575	}
576
577	snd_iprintf(buffer,"\n");
578	mutex_unlock(&chip->spos_mutex);
579}
580
581static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
582				      struct snd_info_buffer *buffer)
583{
584	struct snd_cs46xx *chip = entry->private_data;
585	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
586	int i;
587
588	mutex_lock(&chip->spos_mutex);
589	snd_iprintf(buffer, "SCB's:\n");
590	for ( i = 0; i < ins->nscb; ++i) {
591		if (ins->scbs[i].deleted)
592			continue;
593		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
594
595		if (ins->scbs[i].parent_scb_ptr != NULL) {
596			snd_iprintf(buffer,"parent [%s:%04x] ",
597				    ins->scbs[i].parent_scb_ptr->scb_name,
598				    ins->scbs[i].parent_scb_ptr->address);
599		} else snd_iprintf(buffer,"parent [none] ");
600
601		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
602			    ins->scbs[i].sub_list_ptr->scb_name,
603			    ins->scbs[i].sub_list_ptr->address,
604			    ins->scbs[i].next_scb_ptr->scb_name,
605			    ins->scbs[i].next_scb_ptr->address,
606			    ins->scbs[i].task_entry->symbol_name,
607			    ins->scbs[i].task_entry->address);
608	}
609
610	snd_iprintf(buffer,"\n");
611	mutex_unlock(&chip->spos_mutex);
612}
613
614static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
615						 struct snd_info_buffer *buffer)
616{
617	struct snd_cs46xx *chip = entry->private_data;
618	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
619	unsigned int i, col = 0;
620	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
621	struct dsp_symbol_entry * symbol;
622
623	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
624		if (col == 4) {
625			snd_iprintf(buffer,"\n");
626			col = 0;
627		}
628
629		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
630			col = 0;
631			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
632		}
633
634		if (col == 0) {
635			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
636		}
637
638		snd_iprintf(buffer,"%08X ",readl(dst + i));
639	}
640}
641
642static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
643					      struct snd_info_buffer *buffer)
644{
645	struct snd_cs46xx *chip = entry->private_data;
646	int i,col = 0;
647	void __iomem *dst = chip->region.idx[2].remap_addr;
648
649	snd_iprintf(buffer,"PCMREADER:\n");
650	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
651		if (col == 4) {
652			snd_iprintf(buffer,"\n");
653			col = 0;
654		}
655
656		if (col == 0) {
657			snd_iprintf(buffer, "%04X ",i);
658		}
659
660		snd_iprintf(buffer,"%08X ",readl(dst + i));
661	}
662
663	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
664
665	col = 0;
666	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
667		if (col == 4) {
668			snd_iprintf(buffer,"\n");
669			col = 0;
670		}
671
672		if (col == 0) {
673			snd_iprintf(buffer, "%04X ",i);
674		}
675
676		snd_iprintf(buffer,"%08X ",readl(dst + i));
677	}
678
679	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
680	col = 0;
681	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
682		if (col == 4) {
683			snd_iprintf(buffer,"\n");
684			col = 0;
685		}
686
687		if (col == 0) {
688			snd_iprintf(buffer, "%04X ",i);
689		}
690
691		snd_iprintf(buffer,"%08X ",readl(dst + i));
692	}
693
694
695	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
696	col = 0;
697	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
698		if (col == 4) {
699			snd_iprintf(buffer,"\n");
700			col = 0;
701		}
702
703		if (col == 0) {
704			snd_iprintf(buffer, "%04X ",i);
705		}
706
707		snd_iprintf(buffer,"%08X ",readl(dst + i));
708	}
709
710	snd_iprintf(buffer,"\n...\n");
711	col = 0;
712
713	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
714		if (col == 4) {
715			snd_iprintf(buffer,"\n");
716			col = 0;
717		}
718
719		if (col == 0) {
720			snd_iprintf(buffer, "%04X ",i);
721		}
722
723		snd_iprintf(buffer,"%08X ",readl(dst + i));
724	}
725
726
727	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
728	col = 0;
729	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
730		if (col == 4) {
731			snd_iprintf(buffer,"\n");
732			col = 0;
733		}
734
735		if (col == 0) {
736			snd_iprintf(buffer, "%04X ",i);
737		}
738
739		snd_iprintf(buffer,"%08X ",readl(dst + i));
740	}
741
742	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
743	col = 0;
744	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
745		if (col == 4) {
746			snd_iprintf(buffer,"\n");
747			col = 0;
748		}
749
750		if (col == 0) {
751			snd_iprintf(buffer, "%04X ",i);
752		}
753
754		snd_iprintf(buffer,"%08X ",readl(dst + i));
755	}
756#if 0
757	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
758	col = 0;
759	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
760		if (col == 4) {
761			snd_iprintf(buffer,"\n");
762			col = 0;
763		}
764
765		if (col == 0) {
766			snd_iprintf(buffer, "%04X ",i);
767		}
768
769		snd_iprintf(buffer,"%08X ",readl(dst + i));
770	}
771#endif
772
773	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
774	col = 0;
775	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
776		if (col == 4) {
777			snd_iprintf(buffer,"\n");
778			col = 0;
779		}
780
781		if (col == 0) {
782			snd_iprintf(buffer, "%04X ",i);
783		}
784
785		snd_iprintf(buffer,"%08X ",readl(dst + i));
786	}
787	snd_iprintf(buffer,"\n");
788}
789
790int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
791{
792	struct snd_info_entry *entry;
793	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
794	int i;
795
796	ins->snd_card = card;
797
798	if ((entry = snd_info_create_card_entry(card, "dsp", card->proc_root)) != NULL) {
799		entry->content = SNDRV_INFO_CONTENT_TEXT;
800		entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
801
802		if (snd_info_register(entry) < 0) {
803			snd_info_free_entry(entry);
804			entry = NULL;
805		}
806	}
807
808	ins->proc_dsp_dir = entry;
809
810	if (!ins->proc_dsp_dir)
811		return -ENOMEM;
812
813	if ((entry = snd_info_create_card_entry(card, "spos_symbols", ins->proc_dsp_dir)) != NULL) {
814		entry->content = SNDRV_INFO_CONTENT_TEXT;
815		entry->private_data = chip;
816		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
817		entry->c.text.read = cs46xx_dsp_proc_symbol_table_read;
818		if (snd_info_register(entry) < 0) {
819			snd_info_free_entry(entry);
820			entry = NULL;
821		}
822	}
823	ins->proc_sym_info_entry = entry;
824
825	if ((entry = snd_info_create_card_entry(card, "spos_modules", ins->proc_dsp_dir)) != NULL) {
826		entry->content = SNDRV_INFO_CONTENT_TEXT;
827		entry->private_data = chip;
828		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
829		entry->c.text.read = cs46xx_dsp_proc_modules_read;
830		if (snd_info_register(entry) < 0) {
831			snd_info_free_entry(entry);
832			entry = NULL;
833		}
834	}
835	ins->proc_modules_info_entry = entry;
836
837	if ((entry = snd_info_create_card_entry(card, "parameter", ins->proc_dsp_dir)) != NULL) {
838		entry->content = SNDRV_INFO_CONTENT_TEXT;
839		entry->private_data = chip;
840		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
841		entry->c.text.read = cs46xx_dsp_proc_parameter_dump_read;
842		if (snd_info_register(entry) < 0) {
843			snd_info_free_entry(entry);
844			entry = NULL;
845		}
846	}
847	ins->proc_parameter_dump_info_entry = entry;
848
849	if ((entry = snd_info_create_card_entry(card, "sample", ins->proc_dsp_dir)) != NULL) {
850		entry->content = SNDRV_INFO_CONTENT_TEXT;
851		entry->private_data = chip;
852		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
853		entry->c.text.read = cs46xx_dsp_proc_sample_dump_read;
854		if (snd_info_register(entry) < 0) {
855			snd_info_free_entry(entry);
856			entry = NULL;
857		}
858	}
859	ins->proc_sample_dump_info_entry = entry;
860
861	if ((entry = snd_info_create_card_entry(card, "task_tree", ins->proc_dsp_dir)) != NULL) {
862		entry->content = SNDRV_INFO_CONTENT_TEXT;
863		entry->private_data = chip;
864		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
865		entry->c.text.read = cs46xx_dsp_proc_task_tree_read;
866		if (snd_info_register(entry) < 0) {
867			snd_info_free_entry(entry);
868			entry = NULL;
869		}
870	}
871	ins->proc_task_info_entry = entry;
872
873	if ((entry = snd_info_create_card_entry(card, "scb_info", ins->proc_dsp_dir)) != NULL) {
874		entry->content = SNDRV_INFO_CONTENT_TEXT;
875		entry->private_data = chip;
876		entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
877		entry->c.text.read = cs46xx_dsp_proc_scb_read;
878		if (snd_info_register(entry) < 0) {
879			snd_info_free_entry(entry);
880			entry = NULL;
881		}
882	}
883	ins->proc_scb_info_entry = entry;
884
885	mutex_lock(&chip->spos_mutex);
886	/* register/update SCB's entries on proc */
887	for (i = 0; i < ins->nscb; ++i) {
888		if (ins->scbs[i].deleted) continue;
889
890		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
891	}
892	mutex_unlock(&chip->spos_mutex);
893
894	return 0;
895}
896
897int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
898{
899	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
900	int i;
901
902	snd_info_free_entry(ins->proc_sym_info_entry);
903	ins->proc_sym_info_entry = NULL;
904
905	snd_info_free_entry(ins->proc_modules_info_entry);
906	ins->proc_modules_info_entry = NULL;
907
908	snd_info_free_entry(ins->proc_parameter_dump_info_entry);
909	ins->proc_parameter_dump_info_entry = NULL;
910
911	snd_info_free_entry(ins->proc_sample_dump_info_entry);
912	ins->proc_sample_dump_info_entry = NULL;
913
914	snd_info_free_entry(ins->proc_scb_info_entry);
915	ins->proc_scb_info_entry = NULL;
916
917	snd_info_free_entry(ins->proc_task_info_entry);
918	ins->proc_task_info_entry = NULL;
919
920	mutex_lock(&chip->spos_mutex);
921	for (i = 0; i < ins->nscb; ++i) {
922		if (ins->scbs[i].deleted) continue;
923		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
924	}
925	mutex_unlock(&chip->spos_mutex);
926
927	snd_info_free_entry(ins->proc_dsp_dir);
928	ins->proc_dsp_dir = NULL;
929
930	return 0;
931}
932#endif /* CONFIG_SND_PROC_FS */
933
934static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
935				   u32  dest, int size)
936{
937	void __iomem *spdst = chip->region.idx[1].remap_addr +
938		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
939	int i;
940
941	for (i = 0; i < size; ++i) {
942		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
943			spdst, task_data[i]);
944		writel(task_data[i],spdst);
945		spdst += sizeof(u32);
946	}
947}
948
949static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
950{
951	void __iomem *spdst = chip->region.idx[1].remap_addr +
952		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
953	int i;
954
955	for (i = 0; i < 0x10; ++i) {
956		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
957			spdst, scb_data[i]);
958		writel(scb_data[i],spdst);
959		spdst += sizeof(u32);
960	}
961}
962
963static int find_free_scb_index (struct dsp_spos_instance * ins)
964{
965	int index = ins->nscb, i;
966
967	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
968		if (ins->scbs[i].deleted) {
969			index = i;
970			break;
971		}
972	}
973
974	return index;
975}
976
977static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
978{
979	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
980	struct dsp_scb_descriptor * desc = NULL;
981	int index;
982
983	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
984		dev_err(chip->card->dev,
985			"dsp_spos: got no place for other SCB\n");
986		return NULL;
987	}
988
989	index = find_free_scb_index (ins);
990
991	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
992	strcpy(ins->scbs[index].scb_name, name);
993	ins->scbs[index].address = dest;
994	ins->scbs[index].index = index;
995	ins->scbs[index].ref_count = 1;
996
997	desc = (ins->scbs + index);
998	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
999
1000	if (index > ins->scb_highest_frag_index)
1001		ins->scb_highest_frag_index = index;
1002
1003	if (index == ins->nscb)
1004		ins->nscb++;
1005
1006	return desc;
1007}
1008
1009static struct dsp_task_descriptor *
1010_map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
1011{
1012	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1013	struct dsp_task_descriptor * desc = NULL;
1014
1015	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
1016		dev_err(chip->card->dev,
1017			"dsp_spos: got no place for other TASK\n");
1018		return NULL;
1019	}
1020
1021	if (name)
1022		strcpy(ins->tasks[ins->ntask].task_name, name);
1023	else
1024		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
1025	ins->tasks[ins->ntask].address = dest;
1026	ins->tasks[ins->ntask].size = size;
1027
1028	/* quick find in list */
1029	ins->tasks[ins->ntask].index = ins->ntask;
1030	desc = (ins->tasks + ins->ntask);
1031	ins->ntask++;
1032
1033	if (name)
1034		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
1035	return desc;
1036}
1037
1038#define SCB_BYTES	(0x10 * 4)
1039
1040struct dsp_scb_descriptor *
1041cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
1042{
1043	struct dsp_scb_descriptor * desc;
1044
1045#ifdef CONFIG_PM_SLEEP
1046	/* copy the data for resume */
1047	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
1048	if (!scb_data)
1049		return NULL;
1050#endif
1051
1052	desc = _map_scb (chip,name,dest);
1053	if (desc) {
1054		desc->data = scb_data;
1055		_dsp_create_scb(chip,scb_data,dest);
1056	} else {
1057		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
1058#ifdef CONFIG_PM_SLEEP
1059		kfree(scb_data);
1060#endif
1061	}
1062
1063	return desc;
1064}
1065
1066
1067static struct dsp_task_descriptor *
1068cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1069			     u32 dest, int size)
1070{
1071	struct dsp_task_descriptor * desc;
1072
1073	desc = _map_task_tree (chip,name,dest,size);
1074	if (desc) {
1075		desc->data = task_data;
1076		_dsp_create_task_tree(chip,task_data,dest,size);
1077	} else {
1078		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1079	}
1080
1081	return desc;
1082}
1083
1084int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1085{
1086	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1087	struct dsp_symbol_entry * fg_task_tree_header_code;
1088	struct dsp_symbol_entry * task_tree_header_code;
1089	struct dsp_symbol_entry * task_tree_thread;
1090	struct dsp_symbol_entry * null_algorithm;
1091	struct dsp_symbol_entry * magic_snoop_task;
1092
1093	struct dsp_scb_descriptor * timing_master_scb;
1094	struct dsp_scb_descriptor * codec_out_scb;
1095	struct dsp_scb_descriptor * codec_in_scb;
1096	struct dsp_scb_descriptor * src_task_scb;
1097	struct dsp_scb_descriptor * master_mix_scb;
1098	struct dsp_scb_descriptor * rear_mix_scb;
1099	struct dsp_scb_descriptor * record_mix_scb;
1100	struct dsp_scb_descriptor * write_back_scb;
1101	struct dsp_scb_descriptor * vari_decimate_scb;
1102	struct dsp_scb_descriptor * rear_codec_out_scb;
1103	struct dsp_scb_descriptor * clfe_codec_out_scb;
1104	struct dsp_scb_descriptor * magic_snoop_scb;
1105
1106	int fifo_addr, fifo_span, valid_slots;
1107
1108	static struct dsp_spos_control_block sposcb = {
1109		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1110		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1111		/* 2 */ DSP_SPOS_DC,0,
1112		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1113		/* 4 */ 0,0,
1114		/* 5 */ DSP_SPOS_UU,0,
1115		/* 6 */ FG_TASK_HEADER_ADDR,0,
1116		/* 7 */ 0,0,
1117		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1118		/* 9 */ 0,
1119		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1120		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1121		/* C */ DSP_SPOS_DC_DC,
1122		/* D */ DSP_SPOS_DC_DC,
1123		/* E */ DSP_SPOS_DC_DC,
1124		/* F */ DSP_SPOS_DC_DC
1125	};
1126
1127	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1128
1129	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1130	if (null_algorithm == NULL) {
1131		dev_err(chip->card->dev,
1132			"dsp_spos: symbol NULLALGORITHM not found\n");
1133		return -EIO;
1134	}
1135
1136	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1137	if (fg_task_tree_header_code == NULL) {
1138		dev_err(chip->card->dev,
1139			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1140		return -EIO;
1141	}
1142
1143	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1144	if (task_tree_header_code == NULL) {
1145		dev_err(chip->card->dev,
1146			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1147		return -EIO;
1148	}
1149
1150	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1151	if (task_tree_thread == NULL) {
1152		dev_err(chip->card->dev,
1153			"dsp_spos: symbol TASKTREETHREAD not found\n");
1154		return -EIO;
1155	}
1156
1157	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1158	if (magic_snoop_task == NULL) {
1159		dev_err(chip->card->dev,
1160			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1161		return -EIO;
1162	}
1163
1164	{
1165		/* create the null SCB */
1166		static struct dsp_generic_scb null_scb = {
1167			{ 0, 0, 0, 0 },
1168			{ 0, 0, 0, 0, 0 },
1169			NULL_SCB_ADDR, NULL_SCB_ADDR,
1170			0, 0, 0, 0, 0,
1171			{
1172				0,0,
1173				0,0,
1174			}
1175		};
1176
1177		null_scb.entry_point = null_algorithm->address;
1178		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1179		ins->the_null_scb->task_entry = null_algorithm;
1180		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1181		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1182		ins->the_null_scb->parent_scb_ptr = NULL;
1183		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1184	}
1185
1186	{
1187		/* setup foreground task tree */
1188		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1189			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1190			  DSP_SPOS_DC_DC,
1191			  DSP_SPOS_DC_DC,
1192			  0x0000,DSP_SPOS_DC,
1193			  DSP_SPOS_DC, DSP_SPOS_DC,
1194			  DSP_SPOS_DC_DC,
1195			  DSP_SPOS_DC_DC,
1196			  DSP_SPOS_DC_DC,
1197			  DSP_SPOS_DC,DSP_SPOS_DC },
1198
1199			{
1200				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1201				0,
1202				FG_TASK_HEADER_ADDR + TCBData,
1203			},
1204
1205			{
1206				4,0,
1207				1,0,
1208				2,SPOSCB_ADDR + HFGFlags,
1209				0,0,
1210				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1211			},
1212
1213			{
1214				DSP_SPOS_DC,0,
1215				DSP_SPOS_DC,DSP_SPOS_DC,
1216				DSP_SPOS_DC,DSP_SPOS_DC,
1217				DSP_SPOS_DC,DSP_SPOS_DC,
1218				DSP_SPOS_DC,DSP_SPOS_DC,
1219				DSP_SPOS_DCDC,
1220				DSP_SPOS_UU,1,
1221				DSP_SPOS_DCDC,
1222				DSP_SPOS_DCDC,
1223				DSP_SPOS_DCDC,
1224				DSP_SPOS_DCDC,
1225				DSP_SPOS_DCDC,
1226				DSP_SPOS_DCDC,
1227				DSP_SPOS_DCDC,
1228				DSP_SPOS_DCDC,
1229				DSP_SPOS_DCDC,
1230				DSP_SPOS_DCDC,
1231				DSP_SPOS_DCDC,
1232				DSP_SPOS_DCDC,
1233				DSP_SPOS_DCDC,
1234				DSP_SPOS_DCDC,
1235				DSP_SPOS_DCDC,
1236				DSP_SPOS_DCDC,
1237				DSP_SPOS_DCDC,
1238				DSP_SPOS_DCDC,
1239				DSP_SPOS_DCDC,
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			},
1250			{
1251				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1252				0,0
1253			}
1254		};
1255
1256		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1257		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1258		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1259	}
1260
1261
1262	{
1263		/* setup foreground task tree */
1264		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1265			{ DSP_SPOS_DC_DC,
1266			  DSP_SPOS_DC_DC,
1267			  DSP_SPOS_DC_DC,
1268			  DSP_SPOS_DC, DSP_SPOS_DC,
1269			  DSP_SPOS_DC, DSP_SPOS_DC,
1270			  DSP_SPOS_DC_DC,
1271			  DSP_SPOS_DC_DC,
1272			  DSP_SPOS_DC_DC,
1273			  DSP_SPOS_DC,DSP_SPOS_DC },
1274
1275			{
1276				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1277				0,
1278				BG_TREE_SCB_ADDR + TCBData,
1279			},
1280
1281			{
1282				9999,0,
1283				0,1,
1284				0,SPOSCB_ADDR + HFGFlags,
1285				0,0,
1286				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1287			},
1288
1289			{
1290				DSP_SPOS_DC,0,
1291				DSP_SPOS_DC,DSP_SPOS_DC,
1292				DSP_SPOS_DC,DSP_SPOS_DC,
1293				DSP_SPOS_DC,DSP_SPOS_DC,
1294				DSP_SPOS_DC,DSP_SPOS_DC,
1295				DSP_SPOS_DCDC,
1296				DSP_SPOS_UU,1,
1297				DSP_SPOS_DCDC,
1298				DSP_SPOS_DCDC,
1299				DSP_SPOS_DCDC,
1300				DSP_SPOS_DCDC,
1301				DSP_SPOS_DCDC,
1302				DSP_SPOS_DCDC,
1303				DSP_SPOS_DCDC,
1304				DSP_SPOS_DCDC,
1305				DSP_SPOS_DCDC,
1306				DSP_SPOS_DCDC,
1307				DSP_SPOS_DCDC,
1308				DSP_SPOS_DCDC,
1309				DSP_SPOS_DCDC,
1310				DSP_SPOS_DCDC,
1311				DSP_SPOS_DCDC,
1312				DSP_SPOS_DCDC,
1313				DSP_SPOS_DCDC,
1314				DSP_SPOS_DCDC,
1315				DSP_SPOS_DCDC,
1316				DSP_SPOS_DCDC,
1317				DSP_SPOS_DCDC,
1318				DSP_SPOS_DCDC,
1319				DSP_SPOS_DCDC,
1320				DSP_SPOS_DCDC,
1321				DSP_SPOS_DCDC,
1322				DSP_SPOS_DCDC,
1323				DSP_SPOS_DCDC,
1324				DSP_SPOS_DCDC
1325			},
1326			{
1327				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1328				0,0
1329			}
1330		};
1331
1332		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1333		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1334		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1335	}
1336
1337	/* create timing master SCB */
1338	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1339
1340	/* create the CODEC output task */
1341	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1342							MASTERMIX_SCB_ADDR,
1343							CODECOUT_SCB_ADDR,timing_master_scb,
1344							SCB_ON_PARENT_SUBLIST_SCB);
1345
1346	if (!codec_out_scb) goto _fail_end;
1347	/* create the master mix SCB */
1348	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1349							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1350							codec_out_scb,
1351							SCB_ON_PARENT_SUBLIST_SCB);
1352	ins->master_mix_scb = master_mix_scb;
1353
1354	if (!master_mix_scb) goto _fail_end;
1355
1356	/* create codec in */
1357	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1358						      CODEC_INPUT_BUF1,
1359						      CODECIN_SCB_ADDR,codec_out_scb,
1360						      SCB_ON_PARENT_NEXT_SCB);
1361	if (!codec_in_scb) goto _fail_end;
1362	ins->codec_in_scb = codec_in_scb;
1363
1364	/* create write back scb */
1365	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1366							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1367							      WRITEBACK_SCB_ADDR,
1368							      timing_master_scb,
1369							      SCB_ON_PARENT_NEXT_SCB);
1370	if (!write_back_scb) goto _fail_end;
1371
1372	{
1373		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1374			0x00020000,
1375			0x0000ffff
1376		};
1377
1378		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1379						 (u32 *)&mix2_ostream_spb,
1380						 WRITE_BACK_SPB, 2))
1381			goto _fail_end;
1382	}
1383
1384	/* input sample converter */
1385	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1386								VARI_DECIMATE_BUF0,
1387								VARI_DECIMATE_BUF1,
1388								VARIDECIMATE_SCB_ADDR,
1389								write_back_scb,
1390								SCB_ON_PARENT_SUBLIST_SCB);
1391	if (!vari_decimate_scb) goto _fail_end;
1392
1393	/* create the record mixer SCB */
1394	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1395							MIX_SAMPLE_BUF2,
1396							RECORD_MIXER_SCB_ADDR,
1397							vari_decimate_scb,
1398							SCB_ON_PARENT_SUBLIST_SCB);
1399	ins->record_mixer_scb = record_mix_scb;
1400
1401	if (!record_mix_scb) goto _fail_end;
1402
1403	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1404
1405	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1406		goto _fail_end;
1407
1408	if (chip->nr_ac97_codecs == 1) {
1409		/* output on slot 5 and 11
1410		   on primary CODEC */
1411		fifo_addr = 0x20;
1412		fifo_span = 0x60;
1413
1414		/* enable slot 5 and 11 */
1415		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1416	} else {
1417		/* output on slot 7 and 8
1418		   on secondary CODEC */
1419		fifo_addr = 0x40;
1420		fifo_span = 0x10;
1421
1422		/* enable slot 7 and 8 */
1423		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1424	}
1425	/* create CODEC tasklet for rear speakers output*/
1426	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1427							     REAR_MIXER_SCB_ADDR,
1428							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1429							     SCB_ON_PARENT_NEXT_SCB);
1430	if (!rear_codec_out_scb) goto _fail_end;
1431
1432
1433	/* create the rear PCM channel  mixer SCB */
1434	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1435						      MIX_SAMPLE_BUF3,
1436						      REAR_MIXER_SCB_ADDR,
1437						      rear_codec_out_scb,
1438						      SCB_ON_PARENT_SUBLIST_SCB);
1439	ins->rear_mix_scb = rear_mix_scb;
1440	if (!rear_mix_scb) goto _fail_end;
1441
1442	if (chip->nr_ac97_codecs == 2) {
1443		/* create CODEC tasklet for rear Center/LFE output
1444		   slot 6 and 9 on seconadry CODEC */
1445		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1446								     CLFE_MIXER_SCB_ADDR,
1447								     CLFE_CODEC_SCB_ADDR,
1448								     rear_codec_out_scb,
1449								     SCB_ON_PARENT_NEXT_SCB);
1450		if (!clfe_codec_out_scb) goto _fail_end;
1451
1452
1453		/* create the rear PCM channel  mixer SCB */
1454		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1455									 MIX_SAMPLE_BUF4,
1456									 CLFE_MIXER_SCB_ADDR,
1457									 clfe_codec_out_scb,
1458									 SCB_ON_PARENT_SUBLIST_SCB);
1459		if (!ins->center_lfe_mix_scb) goto _fail_end;
1460
1461		/* enable slot 6 and 9 */
1462		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1463	} else {
1464		clfe_codec_out_scb = rear_codec_out_scb;
1465		ins->center_lfe_mix_scb = rear_mix_scb;
1466	}
1467
1468	/* enable slots depending on CODEC configuration */
1469	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1470
1471	/* the magic snooper */
1472	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1473							     OUTPUT_SNOOP_BUFFER,
1474							     codec_out_scb,
1475							     clfe_codec_out_scb,
1476							     SCB_ON_PARENT_NEXT_SCB);
1477
1478
1479	if (!magic_snoop_scb) goto _fail_end;
1480	ins->ref_snoop_scb = magic_snoop_scb;
1481
1482	/* SP IO access */
1483	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1484					      magic_snoop_scb,
1485					      SCB_ON_PARENT_NEXT_SCB))
1486		goto _fail_end;
1487
1488	/* SPDIF input sampel rate converter */
1489	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1490						      ins->spdif_in_sample_rate,
1491						      SRC_OUTPUT_BUF1,
1492						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1493						      master_mix_scb,
1494						      SCB_ON_PARENT_SUBLIST_SCB,1);
1495
1496	if (!src_task_scb) goto _fail_end;
1497	cs46xx_src_unlink(chip,src_task_scb);
1498
1499	/* NOTE: when we now how to detect the SPDIF input
1500	   sample rate we will use this SRC to adjust it */
1501	ins->spdif_in_src = src_task_scb;
1502
1503	cs46xx_dsp_async_init(chip,timing_master_scb);
1504	return 0;
1505
1506 _fail_end:
1507	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1508	return -EINVAL;
1509}
1510
1511static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1512				  struct dsp_scb_descriptor * fg_entry)
1513{
1514	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1515	struct dsp_symbol_entry * s16_async_codec_input_task;
1516	struct dsp_symbol_entry * spdifo_task;
1517	struct dsp_symbol_entry * spdifi_task;
1518	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1519
1520	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1521	if (s16_async_codec_input_task == NULL) {
1522		dev_err(chip->card->dev,
1523			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1524		return -EIO;
1525	}
1526	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1527	if (spdifo_task == NULL) {
1528		dev_err(chip->card->dev,
1529			"dsp_spos: symbol SPDIFOTASK not found\n");
1530		return -EIO;
1531	}
1532
1533	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1534	if (spdifi_task == NULL) {
1535		dev_err(chip->card->dev,
1536			"dsp_spos: symbol SPDIFITASK not found\n");
1537		return -EIO;
1538	}
1539
1540	{
1541		/* 0xBC0 */
1542		struct dsp_spdifoscb spdifo_scb = {
1543			/* 0 */ DSP_SPOS_UUUU,
1544			{
1545				/* 1 */ 0xb0,
1546				/* 2 */ 0,
1547				/* 3 */ 0,
1548				/* 4 */ 0,
1549			},
1550			/* NOTE: the SPDIF output task read samples in mono
1551			   format, the AsynchFGTxSCB task writes to buffer
1552			   in stereo format
1553			*/
1554			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1555			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1556			/* 7 */ 0,0,
1557			/* 8 */ 0,
1558			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1559			/* A */ spdifo_task->address,
1560			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1561			{
1562				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1563				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1564			},
1565			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1566			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1567			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1568		};
1569
1570		/* 0xBB0 */
1571		struct dsp_spdifiscb spdifi_scb = {
1572			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1573			/* 1 */ 0,
1574			/* 2 */ 0,
1575			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1576			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1577			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1578			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1579			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1580			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1581			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1582			/* A */ spdifi_task->address,
1583			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1584			/* NOTE: The SPDIF input task write the sample in mono
1585			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1586			   them in stereo
1587			*/
1588			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1589			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1590			/* D */ 0x8048,0,
1591			/* E */ 0x01f0,0x0001,
1592			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1593		};
1594
1595		/* 0xBA0 */
1596		struct dsp_async_codec_input_scb async_codec_input_scb = {
1597			/* 0 */ DSP_SPOS_UUUU,
1598			/* 1 */ 0,
1599			/* 2 */ 0,
1600			/* 3 */ 1,4000,
1601			/* 4 */ 0x0118,0x0001,
1602			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1603			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1604			/* 7 */ DSP_SPOS_UU,0x3,
1605			/* 8 */ DSP_SPOS_UUUU,
1606			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1607			/* A */ s16_async_codec_input_task->address,
1608			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1609
1610			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1611			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1612
1613#ifdef UseASER1Input
1614			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1615			   Init. 0000:8042: for ASER1
1616			   0000:8044: for ASER2 */
1617			/* D */ 0x8042,0,
1618
1619			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1620			   Init 1 stero:8050 ASER1
1621			   Init 0  mono:8070 ASER2
1622			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1623			/* E */ 0x0100,0x0001,
1624
1625#endif
1626
1627#ifdef UseASER2Input
1628			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1629			   Init. 0000:8042: for ASER1
1630			   0000:8044: for ASER2 */
1631			/* D */ 0x8044,0,
1632
1633			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1634			   Init 1 stero:8050 ASER1
1635			   Init 0  mono:8070 ASER2
1636			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1637			/* E */ 0x0110,0x0001,
1638
1639#endif
1640
1641			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1642			   AsyncCIOutputBufModulo: The modulo size for
1643			   the output buffer of this task */
1644			/* F */ 0, /* DSP_SPOS_UUUU */
1645		};
1646
1647		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1648
1649		if (snd_BUG_ON(!spdifo_scb_desc))
1650			return -EIO;
1651		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1652		if (snd_BUG_ON(!spdifi_scb_desc))
1653			return -EIO;
1654		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1655		if (snd_BUG_ON(!async_codec_scb_desc))
1656			return -EIO;
1657
1658		async_codec_scb_desc->parent_scb_ptr = NULL;
1659		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1660		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1661		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1662
1663		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1664		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1665		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1666		spdifi_scb_desc->task_entry = spdifi_task;
1667
1668		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1669		spdifo_scb_desc->next_scb_ptr = fg_entry;
1670		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1671		spdifo_scb_desc->task_entry = spdifo_task;
1672
1673		/* this one is faked, as the parnet of SPDIFO task
1674		   is the FG task tree */
1675		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1676
1677		/* for proc fs */
1678		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1679		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1680		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1681
1682		/* Async MASTER ENABLE, affects both SPDIF input and output */
1683		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1684	}
1685
1686	return 0;
1687}
1688
1689static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1690{
1691	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1692
1693	/* set SPDIF output FIFO slot */
1694	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1695
1696	/* SPDIF output MASTER ENABLE */
1697	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1698
1699	/* right and left validate bit */
1700	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1701	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1702
1703	/* clear fifo pointer */
1704	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1705
1706	/* monitor state */
1707	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1708}
1709
1710int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1711{
1712	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1713
1714	/* if hw-ctrl already enabled, turn off to reset logic ... */
1715	cs46xx_dsp_disable_spdif_hw (chip);
1716	udelay(50);
1717
1718	/* set SPDIF output FIFO slot */
1719	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1720
1721	/* SPDIF output MASTER ENABLE */
1722	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1723
1724	/* right and left validate bit */
1725	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1726
1727	/* monitor state */
1728	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1729
1730	return 0;
1731}
1732
1733int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1734{
1735	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1736
1737	/* turn on amplifier */
1738	chip->active_ctrl(chip, 1);
1739	chip->amplifier_ctrl(chip, 1);
1740
1741	if (snd_BUG_ON(ins->asynch_rx_scb))
1742		return -EINVAL;
1743	if (snd_BUG_ON(!ins->spdif_in_src))
1744		return -EINVAL;
1745
1746	mutex_lock(&chip->spos_mutex);
1747
1748	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1749		/* time countdown enable */
1750		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1751		/* NOTE: 80000005 value is just magic. With all values
1752		   that I've tested this one seem to give the best result.
1753		   Got no explication why. (Benny) */
1754
1755		/* SPDIF input MASTER ENABLE */
1756		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1757
1758		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1759	}
1760
1761	/* create and start the asynchronous receiver SCB */
1762	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1763								ASYNCRX_SCB_ADDR,
1764								SPDIFI_SCB_INST,
1765								SPDIFI_IP_OUTPUT_BUFFER1,
1766								ins->spdif_in_src,
1767								SCB_ON_PARENT_SUBLIST_SCB);
1768
1769	spin_lock_irq(&chip->reg_lock);
1770
1771	/* reset SPDIF input sample buffer pointer */
1772	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1773	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1774
1775	/* reset FIFO ptr */
1776	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1777	cs46xx_src_link(chip,ins->spdif_in_src);
1778
1779	/* unmute SRC volume */
1780	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1781
1782	spin_unlock_irq(&chip->reg_lock);
1783
1784	/* set SPDIF input sample rate and unmute
1785	   NOTE: only 48khz support for SPDIF input this time */
1786	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1787
1788	/* monitor state */
1789	ins->spdif_status_in = 1;
1790	mutex_unlock(&chip->spos_mutex);
1791
1792	return 0;
1793}
1794
1795int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1796{
1797	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1798
1799	if (snd_BUG_ON(!ins->asynch_rx_scb))
1800		return -EINVAL;
1801	if (snd_BUG_ON(!ins->spdif_in_src))
1802		return -EINVAL;
1803
1804	mutex_lock(&chip->spos_mutex);
1805
1806	/* Remove the asynchronous receiver SCB */
1807	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1808	ins->asynch_rx_scb = NULL;
1809
1810	cs46xx_src_unlink(chip,ins->spdif_in_src);
1811
1812	/* monitor state */
1813	ins->spdif_status_in = 0;
1814	mutex_unlock(&chip->spos_mutex);
1815
1816	/* restore amplifier */
1817	chip->active_ctrl(chip, -1);
1818	chip->amplifier_ctrl(chip, -1);
1819
1820	return 0;
1821}
1822
1823int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1824{
1825	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1826
1827	if (snd_BUG_ON(ins->pcm_input))
1828		return -EINVAL;
1829	if (snd_BUG_ON(!ins->ref_snoop_scb))
1830		return -EINVAL;
1831
1832	mutex_lock(&chip->spos_mutex);
1833	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1834                                                  "PCMSerialInput_Wave");
1835	mutex_unlock(&chip->spos_mutex);
1836
1837	return 0;
1838}
1839
1840int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1841{
1842	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1843
1844	if (snd_BUG_ON(!ins->pcm_input))
1845		return -EINVAL;
1846
1847	mutex_lock(&chip->spos_mutex);
1848	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1849	ins->pcm_input = NULL;
1850	mutex_unlock(&chip->spos_mutex);
1851
1852	return 0;
1853}
1854
1855int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1856{
1857	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1858
1859	if (snd_BUG_ON(ins->adc_input))
1860		return -EINVAL;
1861	if (snd_BUG_ON(!ins->codec_in_scb))
1862		return -EINVAL;
1863
1864	mutex_lock(&chip->spos_mutex);
1865	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1866						  "PCMSerialInput_ADC");
1867	mutex_unlock(&chip->spos_mutex);
1868
1869	return 0;
1870}
1871
1872int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1873{
1874	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1875
1876	if (snd_BUG_ON(!ins->adc_input))
1877		return -EINVAL;
1878
1879	mutex_lock(&chip->spos_mutex);
1880	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1881	ins->adc_input = NULL;
1882	mutex_unlock(&chip->spos_mutex);
1883
1884	return 0;
1885}
1886
1887int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1888{
1889	u32 temp;
1890	int  i;
1891
1892	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1893	   a rough guess from looking at the controller spec.) */
1894	if (address < 0x8000 || address >= 0x9000)
1895		return -EINVAL;
1896
1897	/* initialize the SP_IO_WRITE SCB with the data. */
1898	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1899
1900	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1901	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1902	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1903
1904	/* Poke this location to tell the task to start */
1905	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1906
1907	/* Verify that the task ran */
1908	for (i=0; i<25; i++) {
1909		udelay(125);
1910
1911		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1912		if (temp == 0x00000000)
1913			break;
1914	}
1915
1916	if (i == 25) {
1917		dev_err(chip->card->dev,
1918			"dsp_spos: SPIOWriteTask not responding\n");
1919		return -EBUSY;
1920	}
1921
1922	return 0;
1923}
1924
1925int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1926{
1927	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1928	struct dsp_scb_descriptor * scb;
1929
1930	mutex_lock(&chip->spos_mutex);
1931
1932	/* main output */
1933	scb = ins->master_mix_scb->sub_list_ptr;
1934	while (scb != ins->the_null_scb) {
1935		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1936		scb = scb->next_scb_ptr;
1937	}
1938
1939	/* rear output */
1940	scb = ins->rear_mix_scb->sub_list_ptr;
1941	while (scb != ins->the_null_scb) {
1942		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1943		scb = scb->next_scb_ptr;
1944	}
1945
1946	ins->dac_volume_left = left;
1947	ins->dac_volume_right = right;
1948
1949	mutex_unlock(&chip->spos_mutex);
1950
1951	return 0;
1952}
1953
1954int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1955{
1956	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1957
1958	mutex_lock(&chip->spos_mutex);
1959
1960	if (ins->asynch_rx_scb != NULL)
1961		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1962					   left,right);
1963
1964	ins->spdif_input_volume_left = left;
1965	ins->spdif_input_volume_right = right;
1966
1967	mutex_unlock(&chip->spos_mutex);
1968
1969	return 0;
1970}
1971
1972#ifdef CONFIG_PM_SLEEP
1973int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1974{
1975	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1976	int i, err;
1977
1978	/* clear parameter, sample and code areas */
1979	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1980			     DSP_PARAMETER_BYTE_SIZE);
1981	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1982			     DSP_SAMPLE_BYTE_SIZE);
1983	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1984
1985	for (i = 0; i < ins->nmodules; i++) {
1986		struct dsp_module_desc *module = &ins->modules[i];
1987		struct dsp_segment_desc *seg;
1988		u32 doffset, dsize;
1989
1990		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1991		err = dsp_load_parameter(chip, seg);
1992		if (err < 0)
1993			return err;
1994
1995		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1996		err = dsp_load_sample(chip, seg);
1997		if (err < 0)
1998			return err;
1999
2000		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
2001		if (!seg)
2002			continue;
2003
2004		doffset = seg->offset * 4 + module->load_address * 4
2005			+ DSP_CODE_BYTE_OFFSET;
2006		dsize   = seg->size * 4;
2007		err = snd_cs46xx_download(chip,
2008					  ins->code.data + module->load_address,
2009					  doffset, dsize);
2010		if (err < 0)
2011			return err;
2012	}
2013
2014	for (i = 0; i < ins->ntask; i++) {
2015		struct dsp_task_descriptor *t = &ins->tasks[i];
2016		_dsp_create_task_tree(chip, t->data, t->address, t->size);
2017	}
2018
2019	for (i = 0; i < ins->nscb; i++) {
2020		struct dsp_scb_descriptor *s = &ins->scbs[i];
2021		if (s->deleted)
2022			continue;
2023		_dsp_create_scb(chip, s->data, s->address);
2024	}
2025	for (i = 0; i < ins->nscb; i++) {
2026		struct dsp_scb_descriptor *s = &ins->scbs[i];
2027		if (s->deleted)
2028			continue;
2029		if (s->updated)
2030			cs46xx_dsp_spos_update_scb(chip, s);
2031		if (s->volume_set)
2032			cs46xx_dsp_scb_set_volume(chip, s,
2033						  s->volume[0], s->volume[1]);
2034	}
2035	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
2036		cs46xx_dsp_enable_spdif_hw(chip);
2037		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
2038				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
2039		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
2040			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
2041					    ins->spdif_csuv_stream);
2042	}
2043	if (chip->dsp_spos_instance->spdif_status_in) {
2044		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
2045		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
2046	}
2047	return 0;
2048}
2049#endif
2050