1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 */
4
5/*
6 * 2002-07 Benny Sjostrand benny@hostmobility.com
7 */
8
9
10#include <linux/io.h>
11#include <linux/delay.h>
12#include <linux/pm.h>
13#include <linux/init.h>
14#include <linux/slab.h>
15#include <linux/vmalloc.h>
16#include <linux/mutex.h>
17
18#include <sound/core.h>
19#include <sound/control.h>
20#include <sound/info.h>
21#include <sound/asoundef.h>
22#include "cs46xx.h"
23
24#include "cs46xx_lib.h"
25#include "dsp_spos.h"
26
27static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
28				  struct dsp_scb_descriptor * fg_entry);
29
30static const enum wide_opcode wide_opcodes[] = {
31	WIDE_FOR_BEGIN_LOOP,
32	WIDE_FOR_BEGIN_LOOP2,
33	WIDE_COND_GOTO_ADDR,
34	WIDE_COND_GOTO_CALL,
35	WIDE_TBEQ_COND_GOTO_ADDR,
36	WIDE_TBEQ_COND_CALL_ADDR,
37	WIDE_TBEQ_NCOND_GOTO_ADDR,
38	WIDE_TBEQ_NCOND_CALL_ADDR,
39	WIDE_TBEQ_COND_GOTO1_ADDR,
40	WIDE_TBEQ_COND_CALL1_ADDR,
41	WIDE_TBEQ_NCOND_GOTOI_ADDR,
42	WIDE_TBEQ_NCOND_CALL1_ADDR
43};
44
45static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 size,
46				       u32 overlay_begin_address)
47{
48	unsigned int i = 0, j, nreallocated = 0;
49	u32 hival,loval,address;
50	u32 mop_operands,mop_type,wide_op;
51	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
52
53	if (snd_BUG_ON(size %2))
54		return -EINVAL;
55
56	while (i < size) {
57		loval = data[i++];
58		hival = data[i++];
59
60		if (ins->code.offset > 0) {
61			mop_operands = (hival >> 6) & 0x03fff;
62			mop_type = mop_operands >> 10;
63
64			/* check for wide type instruction */
65			if (mop_type == 0 &&
66			    (mop_operands & WIDE_LADD_INSTR_MASK) == 0 &&
67			    (mop_operands & WIDE_INSTR_MASK) != 0) {
68				wide_op = loval & 0x7f;
69				for (j = 0;j < ARRAY_SIZE(wide_opcodes); ++j) {
70					if (wide_opcodes[j] == wide_op) {
71						/* need to reallocate instruction */
72						address  = (hival & 0x00FFF) << 5;
73						address |=  loval >> 15;
74
75						dev_dbg(chip->card->dev,
76							"handle_wideop[1]: %05x:%05x addr %04x\n",
77							hival, loval, address);
78
79						if ( !(address & 0x8000) ) {
80							address += (ins->code.offset / 2) - overlay_begin_address;
81						} else {
82							dev_dbg(chip->card->dev,
83								"handle_wideop[1]: ROM symbol not reallocated\n");
84						}
85
86						hival &= 0xFF000;
87						loval &= 0x07FFF;
88
89						hival |= ( (address >> 5)  & 0x00FFF);
90						loval |= ( (address << 15) & 0xF8000);
91
92						address  = (hival & 0x00FFF) << 5;
93						address |=  loval >> 15;
94
95						dev_dbg(chip->card->dev,
96							"handle_wideop:[2] %05x:%05x addr %04x\n",
97							hival, loval, address);
98						nreallocated++;
99					} /* wide_opcodes[j] == wide_op */
100				} /* for */
101			} /* mod_type == 0 ... */
102		} /* ins->code.offset > 0 */
103
104		ins->code.data[ins->code.size++] = loval;
105		ins->code.data[ins->code.size++] = hival;
106	}
107
108	dev_dbg(chip->card->dev,
109		"dsp_spos: %d instructions reallocated\n", nreallocated);
110	return nreallocated;
111}
112
113static struct dsp_segment_desc * get_segment_desc (struct dsp_module_desc * module, int seg_type)
114{
115	int i;
116	for (i = 0;i < module->nsegments; ++i) {
117		if (module->segments[i].segment_type == seg_type) {
118			return (module->segments + i);
119		}
120	}
121
122	return NULL;
123};
124
125static int find_free_symbol_index (struct dsp_spos_instance * ins)
126{
127	int index = ins->symbol_table.nsymbols,i;
128
129	for (i = ins->symbol_table.highest_frag_index; i < ins->symbol_table.nsymbols; ++i) {
130		if (ins->symbol_table.symbols[i].deleted) {
131			index = i;
132			break;
133		}
134	}
135
136	return index;
137}
138
139static int add_symbols (struct snd_cs46xx * chip, struct dsp_module_desc * module)
140{
141	int i;
142	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
143
144	if (module->symbol_table.nsymbols > 0) {
145		if (!strcmp(module->symbol_table.symbols[0].symbol_name, "OVERLAYBEGINADDRESS") &&
146		    module->symbol_table.symbols[0].symbol_type == SYMBOL_CONSTANT ) {
147			module->overlay_begin_address = module->symbol_table.symbols[0].address;
148		}
149	}
150
151	for (i = 0;i < module->symbol_table.nsymbols; ++i) {
152		if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
153			dev_err(chip->card->dev,
154				"dsp_spos: symbol table is full\n");
155			return -ENOMEM;
156		}
157
158
159		if (cs46xx_dsp_lookup_symbol(chip,
160					     module->symbol_table.symbols[i].symbol_name,
161					     module->symbol_table.symbols[i].symbol_type) == NULL) {
162
163			ins->symbol_table.symbols[ins->symbol_table.nsymbols] = module->symbol_table.symbols[i];
164			ins->symbol_table.symbols[ins->symbol_table.nsymbols].address += ((ins->code.offset / 2) - module->overlay_begin_address);
165			ins->symbol_table.symbols[ins->symbol_table.nsymbols].module = module;
166			ins->symbol_table.symbols[ins->symbol_table.nsymbols].deleted = 0;
167
168			if (ins->symbol_table.nsymbols > ins->symbol_table.highest_frag_index)
169				ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
170
171			ins->symbol_table.nsymbols++;
172		} else {
173#if 0
174			dev_dbg(chip->card->dev,
175				"dsp_spos: symbol <%s> duplicated, probably nothing wrong with that (Cirrus?)\n",
176				module->symbol_table.symbols[i].symbol_name); */
177#endif
178		}
179	}
180
181	return 0;
182}
183
184static struct dsp_symbol_entry *
185add_symbol (struct snd_cs46xx * chip, char * symbol_name, u32 address, int type)
186{
187	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
188	struct dsp_symbol_entry * symbol = NULL;
189	int index;
190
191	if (ins->symbol_table.nsymbols == (DSP_MAX_SYMBOLS - 1)) {
192		dev_err(chip->card->dev, "dsp_spos: symbol table is full\n");
193		return NULL;
194	}
195
196	if (cs46xx_dsp_lookup_symbol(chip,
197				     symbol_name,
198				     type) != NULL) {
199		dev_err(chip->card->dev,
200			"dsp_spos: symbol <%s> duplicated\n", symbol_name);
201		return NULL;
202	}
203
204	index = find_free_symbol_index (ins);
205
206	strcpy (ins->symbol_table.symbols[index].symbol_name, symbol_name);
207	ins->symbol_table.symbols[index].address = address;
208	ins->symbol_table.symbols[index].symbol_type = type;
209	ins->symbol_table.symbols[index].module = NULL;
210	ins->symbol_table.symbols[index].deleted = 0;
211	symbol = (ins->symbol_table.symbols + index);
212
213	if (index > ins->symbol_table.highest_frag_index)
214		ins->symbol_table.highest_frag_index = index;
215
216	if (index == ins->symbol_table.nsymbols)
217		ins->symbol_table.nsymbols++; /* no frag. in list */
218
219	return symbol;
220}
221
222struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
223{
224	struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
225
226	if (ins == NULL)
227		return NULL;
228
229	/* better to use vmalloc for this big table */
230	ins->symbol_table.symbols =
231		vmalloc(array_size(DSP_MAX_SYMBOLS,
232				   sizeof(struct dsp_symbol_entry)));
233	ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
234	ins->modules = kmalloc_array(DSP_MAX_MODULES,
235				     sizeof(struct dsp_module_desc),
236				     GFP_KERNEL);
237	if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
238		cs46xx_dsp_spos_destroy(chip);
239		goto error;
240	}
241	ins->symbol_table.nsymbols = 0;
242	ins->symbol_table.highest_frag_index = 0;
243	ins->code.offset = 0;
244	ins->code.size = 0;
245	ins->nscb = 0;
246	ins->ntask = 0;
247	ins->nmodules = 0;
248
249	/* default SPDIF input sample rate
250	   to 48000 khz */
251	ins->spdif_in_sample_rate = 48000;
252
253	/* maximize volume */
254	ins->dac_volume_right = 0x8000;
255	ins->dac_volume_left = 0x8000;
256	ins->spdif_input_volume_right = 0x8000;
257	ins->spdif_input_volume_left = 0x8000;
258
259	/* set left and right validity bits and
260	   default channel status */
261	ins->spdif_csuv_default =
262		ins->spdif_csuv_stream =
263	 /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
264	 /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
265	 /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
266	 /* left and right validity bits */ (1 << 13) | (1 << 12);
267
268	return ins;
269
270error:
271	kfree(ins->modules);
272	kfree(ins->code.data);
273	vfree(ins->symbol_table.symbols);
274	kfree(ins);
275	return NULL;
276}
277
278void  cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
279{
280	int i;
281	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
282
283	if (snd_BUG_ON(!ins))
284		return;
285
286	mutex_lock(&chip->spos_mutex);
287	for (i = 0; i < ins->nscb; ++i) {
288		if (ins->scbs[i].deleted) continue;
289
290		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
291#ifdef CONFIG_PM_SLEEP
292		kfree(ins->scbs[i].data);
293#endif
294	}
295
296	kfree(ins->code.data);
297	vfree(ins->symbol_table.symbols);
298	kfree(ins->modules);
299	kfree(ins);
300	mutex_unlock(&chip->spos_mutex);
301}
302
303static int dsp_load_parameter(struct snd_cs46xx *chip,
304			      struct dsp_segment_desc *parameter)
305{
306	u32 doffset, dsize;
307
308	if (!parameter) {
309		dev_dbg(chip->card->dev,
310			"dsp_spos: module got no parameter segment\n");
311		return 0;
312	}
313
314	doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
315	dsize   = parameter->size * 4;
316
317	dev_dbg(chip->card->dev,
318		"dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
319		    doffset,doffset + dsize);
320	if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
321		dev_err(chip->card->dev,
322			"dsp_spos: failed to download parameter data to DSP\n");
323		return -EINVAL;
324	}
325	return 0;
326}
327
328static int dsp_load_sample(struct snd_cs46xx *chip,
329			   struct dsp_segment_desc *sample)
330{
331	u32 doffset, dsize;
332
333	if (!sample) {
334		dev_dbg(chip->card->dev,
335			"dsp_spos: module got no sample segment\n");
336		return 0;
337	}
338
339	doffset = (sample->offset * 4  + DSP_SAMPLE_BYTE_OFFSET);
340	dsize   =  sample->size * 4;
341
342	dev_dbg(chip->card->dev,
343		"dsp_spos: downloading sample data to chip (%08x-%08x)\n",
344		    doffset,doffset + dsize);
345
346	if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
347		dev_err(chip->card->dev,
348			"dsp_spos: failed to sample data to DSP\n");
349		return -EINVAL;
350	}
351	return 0;
352}
353
354int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
355{
356	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
357	struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
358	u32 doffset, dsize;
359	int err;
360
361	if (ins->nmodules == DSP_MAX_MODULES - 1) {
362		dev_err(chip->card->dev,
363			"dsp_spos: to many modules loaded into DSP\n");
364		return -ENOMEM;
365	}
366
367	dev_dbg(chip->card->dev,
368		"dsp_spos: loading module %s into DSP\n", module->module_name);
369
370	if (ins->nmodules == 0) {
371		dev_dbg(chip->card->dev, "dsp_spos: clearing parameter area\n");
372		snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
373	}
374
375	err = dsp_load_parameter(chip, get_segment_desc(module,
376							SEGTYPE_SP_PARAMETER));
377	if (err < 0)
378		return err;
379
380	if (ins->nmodules == 0) {
381		dev_dbg(chip->card->dev, "dsp_spos: clearing sample area\n");
382		snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
383	}
384
385	err = dsp_load_sample(chip, get_segment_desc(module,
386						     SEGTYPE_SP_SAMPLE));
387	if (err < 0)
388		return err;
389
390	if (ins->nmodules == 0) {
391		dev_dbg(chip->card->dev, "dsp_spos: clearing code area\n");
392		snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
393	}
394
395	if (code == NULL) {
396		dev_dbg(chip->card->dev,
397			"dsp_spos: module got no code segment\n");
398	} else {
399		if (ins->code.offset + code->size > DSP_CODE_BYTE_SIZE) {
400			dev_err(chip->card->dev,
401				"dsp_spos: no space available in DSP\n");
402			return -ENOMEM;
403		}
404
405		module->load_address = ins->code.offset;
406		module->overlay_begin_address = 0x000;
407
408		/* if module has a code segment it must have
409		   symbol table */
410		if (snd_BUG_ON(!module->symbol_table.symbols))
411			return -ENOMEM;
412		if (add_symbols(chip,module)) {
413			dev_err(chip->card->dev,
414				"dsp_spos: failed to load symbol table\n");
415			return -ENOMEM;
416		}
417
418		doffset = (code->offset * 4 + ins->code.offset * 4 + DSP_CODE_BYTE_OFFSET);
419		dsize   = code->size * 4;
420		dev_dbg(chip->card->dev,
421			"dsp_spos: downloading code to chip (%08x-%08x)\n",
422			    doffset,doffset + dsize);
423
424		module->nfixups = shadow_and_reallocate_code(chip,code->data,code->size,module->overlay_begin_address);
425
426		if (snd_cs46xx_download (chip,(ins->code.data + ins->code.offset),doffset,dsize)) {
427			dev_err(chip->card->dev,
428				"dsp_spos: failed to download code to DSP\n");
429			return -EINVAL;
430		}
431
432		ins->code.offset += code->size;
433	}
434
435	/* NOTE: module segments and symbol table must be
436	   statically allocated. Case that module data is
437	   not generated by the ospparser */
438	ins->modules[ins->nmodules] = *module;
439	ins->nmodules++;
440
441	return 0;
442}
443
444struct dsp_symbol_entry *
445cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, int symbol_type)
446{
447	int i;
448	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
449
450	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
451
452		if (ins->symbol_table.symbols[i].deleted)
453			continue;
454
455		if (!strcmp(ins->symbol_table.symbols[i].symbol_name,symbol_name) &&
456		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
457			return (ins->symbol_table.symbols + i);
458		}
459	}
460
461#if 0
462	dev_err(chip->card->dev, "dsp_spos: symbol <%s> type %02x not found\n",
463		symbol_name,symbol_type);
464#endif
465
466	return NULL;
467}
468
469
470#ifdef CONFIG_SND_PROC_FS
471static struct dsp_symbol_entry *
472cs46xx_dsp_lookup_symbol_addr (struct snd_cs46xx * chip, u32 address, int symbol_type)
473{
474	int i;
475	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
476
477	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
478
479		if (ins->symbol_table.symbols[i].deleted)
480			continue;
481
482		if (ins->symbol_table.symbols[i].address == address &&
483		    ins->symbol_table.symbols[i].symbol_type == symbol_type) {
484			return (ins->symbol_table.symbols + i);
485		}
486	}
487
488
489	return NULL;
490}
491
492
493static void cs46xx_dsp_proc_symbol_table_read (struct snd_info_entry *entry,
494					       struct snd_info_buffer *buffer)
495{
496	struct snd_cs46xx *chip = entry->private_data;
497	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
498	int i;
499
500	snd_iprintf(buffer, "SYMBOLS:\n");
501	for ( i = 0; i < ins->symbol_table.nsymbols; ++i ) {
502		char *module_str = "system";
503
504		if (ins->symbol_table.symbols[i].deleted)
505			continue;
506
507		if (ins->symbol_table.symbols[i].module != NULL) {
508			module_str = ins->symbol_table.symbols[i].module->module_name;
509		}
510
511
512		snd_iprintf(buffer, "%04X <%02X> %s [%s]\n",
513			    ins->symbol_table.symbols[i].address,
514			    ins->symbol_table.symbols[i].symbol_type,
515			    ins->symbol_table.symbols[i].symbol_name,
516			    module_str);
517	}
518}
519
520
521static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry,
522					  struct snd_info_buffer *buffer)
523{
524	struct snd_cs46xx *chip = entry->private_data;
525	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
526	int i,j;
527
528	mutex_lock(&chip->spos_mutex);
529	snd_iprintf(buffer, "MODULES:\n");
530	for ( i = 0; i < ins->nmodules; ++i ) {
531		snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name);
532		snd_iprintf(buffer, "   %d symbols\n", ins->modules[i].symbol_table.nsymbols);
533		snd_iprintf(buffer, "   %d fixups\n", ins->modules[i].nfixups);
534
535		for (j = 0; j < ins->modules[i].nsegments; ++ j) {
536			struct dsp_segment_desc * desc = (ins->modules[i].segments + j);
537			snd_iprintf(buffer, "   segment %02x offset %08x size %08x\n",
538				    desc->segment_type,desc->offset, desc->size);
539		}
540	}
541	mutex_unlock(&chip->spos_mutex);
542}
543
544static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry,
545					    struct snd_info_buffer *buffer)
546{
547	struct snd_cs46xx *chip = entry->private_data;
548	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
549	int i, j, col;
550	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
551
552	mutex_lock(&chip->spos_mutex);
553	snd_iprintf(buffer, "TASK TREES:\n");
554	for ( i = 0; i < ins->ntask; ++i) {
555		snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name);
556
557		for (col = 0,j = 0;j < ins->tasks[i].size; j++,col++) {
558			u32 val;
559			if (col == 4) {
560				snd_iprintf(buffer,"\n");
561				col = 0;
562			}
563			val = readl(dst + (ins->tasks[i].address + j) * sizeof(u32));
564			snd_iprintf(buffer,"%08x ",val);
565		}
566	}
567
568	snd_iprintf(buffer,"\n");
569	mutex_unlock(&chip->spos_mutex);
570}
571
572static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry,
573				      struct snd_info_buffer *buffer)
574{
575	struct snd_cs46xx *chip = entry->private_data;
576	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
577	int i;
578
579	mutex_lock(&chip->spos_mutex);
580	snd_iprintf(buffer, "SCB's:\n");
581	for ( i = 0; i < ins->nscb; ++i) {
582		if (ins->scbs[i].deleted)
583			continue;
584		snd_iprintf(buffer,"\n%04x %s:\n\n",ins->scbs[i].address,ins->scbs[i].scb_name);
585
586		if (ins->scbs[i].parent_scb_ptr != NULL) {
587			snd_iprintf(buffer,"parent [%s:%04x] ",
588				    ins->scbs[i].parent_scb_ptr->scb_name,
589				    ins->scbs[i].parent_scb_ptr->address);
590		} else snd_iprintf(buffer,"parent [none] ");
591
592		snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x]  task_entry [%s:%04x]\n",
593			    ins->scbs[i].sub_list_ptr->scb_name,
594			    ins->scbs[i].sub_list_ptr->address,
595			    ins->scbs[i].next_scb_ptr->scb_name,
596			    ins->scbs[i].next_scb_ptr->address,
597			    ins->scbs[i].task_entry->symbol_name,
598			    ins->scbs[i].task_entry->address);
599	}
600
601	snd_iprintf(buffer,"\n");
602	mutex_unlock(&chip->spos_mutex);
603}
604
605static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry,
606						 struct snd_info_buffer *buffer)
607{
608	struct snd_cs46xx *chip = entry->private_data;
609	/*struct dsp_spos_instance * ins = chip->dsp_spos_instance; */
610	unsigned int i, col = 0;
611	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
612	struct dsp_symbol_entry * symbol;
613
614	for (i = 0;i < DSP_PARAMETER_BYTE_SIZE; i += sizeof(u32),col ++) {
615		if (col == 4) {
616			snd_iprintf(buffer,"\n");
617			col = 0;
618		}
619
620		if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) {
621			col = 0;
622			snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name);
623		}
624
625		if (col == 0) {
626			snd_iprintf(buffer, "%04X ", i / (unsigned int)sizeof(u32));
627		}
628
629		snd_iprintf(buffer,"%08X ",readl(dst + i));
630	}
631}
632
633static void cs46xx_dsp_proc_sample_dump_read (struct snd_info_entry *entry,
634					      struct snd_info_buffer *buffer)
635{
636	struct snd_cs46xx *chip = entry->private_data;
637	int i,col = 0;
638	void __iomem *dst = chip->region.idx[2].remap_addr;
639
640	snd_iprintf(buffer,"PCMREADER:\n");
641	for (i = PCM_READER_BUF1;i < PCM_READER_BUF1 + 0x30; i += sizeof(u32),col ++) {
642		if (col == 4) {
643			snd_iprintf(buffer,"\n");
644			col = 0;
645		}
646
647		if (col == 0) {
648			snd_iprintf(buffer, "%04X ",i);
649		}
650
651		snd_iprintf(buffer,"%08X ",readl(dst + i));
652	}
653
654	snd_iprintf(buffer,"\nMIX_SAMPLE_BUF1:\n");
655
656	col = 0;
657	for (i = MIX_SAMPLE_BUF1;i < MIX_SAMPLE_BUF1 + 0x40; i += sizeof(u32),col ++) {
658		if (col == 4) {
659			snd_iprintf(buffer,"\n");
660			col = 0;
661		}
662
663		if (col == 0) {
664			snd_iprintf(buffer, "%04X ",i);
665		}
666
667		snd_iprintf(buffer,"%08X ",readl(dst + i));
668	}
669
670	snd_iprintf(buffer,"\nSRC_TASK_SCB1:\n");
671	col = 0;
672	for (i = 0x2480 ; i < 0x2480 + 0x40 ; i += sizeof(u32),col ++) {
673		if (col == 4) {
674			snd_iprintf(buffer,"\n");
675			col = 0;
676		}
677
678		if (col == 0) {
679			snd_iprintf(buffer, "%04X ",i);
680		}
681
682		snd_iprintf(buffer,"%08X ",readl(dst + i));
683	}
684
685
686	snd_iprintf(buffer,"\nSPDIFO_BUFFER:\n");
687	col = 0;
688	for (i = SPDIFO_IP_OUTPUT_BUFFER1;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x30; i += sizeof(u32),col ++) {
689		if (col == 4) {
690			snd_iprintf(buffer,"\n");
691			col = 0;
692		}
693
694		if (col == 0) {
695			snd_iprintf(buffer, "%04X ",i);
696		}
697
698		snd_iprintf(buffer,"%08X ",readl(dst + i));
699	}
700
701	snd_iprintf(buffer,"\n...\n");
702	col = 0;
703
704	for (i = SPDIFO_IP_OUTPUT_BUFFER1+0xD0;i < SPDIFO_IP_OUTPUT_BUFFER1 + 0x110; i += sizeof(u32),col ++) {
705		if (col == 4) {
706			snd_iprintf(buffer,"\n");
707			col = 0;
708		}
709
710		if (col == 0) {
711			snd_iprintf(buffer, "%04X ",i);
712		}
713
714		snd_iprintf(buffer,"%08X ",readl(dst + i));
715	}
716
717
718	snd_iprintf(buffer,"\nOUTPUT_SNOOP:\n");
719	col = 0;
720	for (i = OUTPUT_SNOOP_BUFFER;i < OUTPUT_SNOOP_BUFFER + 0x40; i += sizeof(u32),col ++) {
721		if (col == 4) {
722			snd_iprintf(buffer,"\n");
723			col = 0;
724		}
725
726		if (col == 0) {
727			snd_iprintf(buffer, "%04X ",i);
728		}
729
730		snd_iprintf(buffer,"%08X ",readl(dst + i));
731	}
732
733	snd_iprintf(buffer,"\nCODEC_INPUT_BUF1: \n");
734	col = 0;
735	for (i = CODEC_INPUT_BUF1;i < CODEC_INPUT_BUF1 + 0x40; i += sizeof(u32),col ++) {
736		if (col == 4) {
737			snd_iprintf(buffer,"\n");
738			col = 0;
739		}
740
741		if (col == 0) {
742			snd_iprintf(buffer, "%04X ",i);
743		}
744
745		snd_iprintf(buffer,"%08X ",readl(dst + i));
746	}
747#if 0
748	snd_iprintf(buffer,"\nWRITE_BACK_BUF1: \n");
749	col = 0;
750	for (i = WRITE_BACK_BUF1;i < WRITE_BACK_BUF1 + 0x40; i += sizeof(u32),col ++) {
751		if (col == 4) {
752			snd_iprintf(buffer,"\n");
753			col = 0;
754		}
755
756		if (col == 0) {
757			snd_iprintf(buffer, "%04X ",i);
758		}
759
760		snd_iprintf(buffer,"%08X ",readl(dst + i));
761	}
762#endif
763
764	snd_iprintf(buffer,"\nSPDIFI_IP_OUTPUT_BUFFER1: \n");
765	col = 0;
766	for (i = SPDIFI_IP_OUTPUT_BUFFER1;i < SPDIFI_IP_OUTPUT_BUFFER1 + 0x80; i += sizeof(u32),col ++) {
767		if (col == 4) {
768			snd_iprintf(buffer,"\n");
769			col = 0;
770		}
771
772		if (col == 0) {
773			snd_iprintf(buffer, "%04X ",i);
774		}
775
776		snd_iprintf(buffer,"%08X ",readl(dst + i));
777	}
778	snd_iprintf(buffer,"\n");
779}
780
781int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip)
782{
783	struct snd_info_entry *entry;
784	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
785	int i;
786
787	ins->snd_card = card;
788
789	entry = snd_info_create_card_entry(card, "dsp", card->proc_root);
790	if (entry)
791		entry->mode = S_IFDIR | 0555;
792	ins->proc_dsp_dir = entry;
793
794	if (!ins->proc_dsp_dir)
795		return -ENOMEM;
796
797	entry = snd_info_create_card_entry(card, "spos_symbols",
798					   ins->proc_dsp_dir);
799	if (entry)
800		snd_info_set_text_ops(entry, chip,
801				      cs46xx_dsp_proc_symbol_table_read);
802
803	entry = snd_info_create_card_entry(card, "spos_modules",
804					   ins->proc_dsp_dir);
805	if (entry)
806		snd_info_set_text_ops(entry, chip,
807				      cs46xx_dsp_proc_modules_read);
808
809	entry = snd_info_create_card_entry(card, "parameter",
810					   ins->proc_dsp_dir);
811	if (entry)
812		snd_info_set_text_ops(entry, chip,
813				      cs46xx_dsp_proc_parameter_dump_read);
814
815	entry = snd_info_create_card_entry(card, "sample",
816					   ins->proc_dsp_dir);
817	if (entry)
818		snd_info_set_text_ops(entry, chip,
819				      cs46xx_dsp_proc_sample_dump_read);
820
821	entry = snd_info_create_card_entry(card, "task_tree",
822					   ins->proc_dsp_dir);
823	if (entry)
824		snd_info_set_text_ops(entry, chip,
825				      cs46xx_dsp_proc_task_tree_read);
826
827	entry = snd_info_create_card_entry(card, "scb_info",
828					   ins->proc_dsp_dir);
829	if (entry)
830		snd_info_set_text_ops(entry, chip,
831				      cs46xx_dsp_proc_scb_read);
832
833	mutex_lock(&chip->spos_mutex);
834	/* register/update SCB's entries on proc */
835	for (i = 0; i < ins->nscb; ++i) {
836		if (ins->scbs[i].deleted) continue;
837
838		cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i));
839	}
840	mutex_unlock(&chip->spos_mutex);
841
842	return 0;
843}
844
845int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
846{
847	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
848	int i;
849
850	if (!ins)
851		return 0;
852
853	mutex_lock(&chip->spos_mutex);
854	for (i = 0; i < ins->nscb; ++i) {
855		if (ins->scbs[i].deleted) continue;
856		cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
857	}
858	mutex_unlock(&chip->spos_mutex);
859
860	snd_info_free_entry(ins->proc_dsp_dir);
861	ins->proc_dsp_dir = NULL;
862
863	return 0;
864}
865#endif /* CONFIG_SND_PROC_FS */
866
867static void _dsp_create_task_tree (struct snd_cs46xx *chip, u32 * task_data,
868				   u32  dest, int size)
869{
870	void __iomem *spdst = chip->region.idx[1].remap_addr +
871		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
872	int i;
873
874	for (i = 0; i < size; ++i) {
875		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
876			spdst, task_data[i]);
877		writel(task_data[i],spdst);
878		spdst += sizeof(u32);
879	}
880}
881
882static void _dsp_create_scb (struct snd_cs46xx *chip, u32 * scb_data, u32 dest)
883{
884	void __iomem *spdst = chip->region.idx[1].remap_addr +
885		DSP_PARAMETER_BYTE_OFFSET + dest * sizeof(u32);
886	int i;
887
888	for (i = 0; i < 0x10; ++i) {
889		dev_dbg(chip->card->dev, "addr %p, val %08x\n",
890			spdst, scb_data[i]);
891		writel(scb_data[i],spdst);
892		spdst += sizeof(u32);
893	}
894}
895
896static int find_free_scb_index (struct dsp_spos_instance * ins)
897{
898	int index = ins->nscb, i;
899
900	for (i = ins->scb_highest_frag_index; i < ins->nscb; ++i) {
901		if (ins->scbs[i].deleted) {
902			index = i;
903			break;
904		}
905	}
906
907	return index;
908}
909
910static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * name, u32 dest)
911{
912	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
913	struct dsp_scb_descriptor * desc = NULL;
914	int index;
915
916	if (ins->nscb == DSP_MAX_SCB_DESC - 1) {
917		dev_err(chip->card->dev,
918			"dsp_spos: got no place for other SCB\n");
919		return NULL;
920	}
921
922	index = find_free_scb_index (ins);
923
924	memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
925	strcpy(ins->scbs[index].scb_name, name);
926	ins->scbs[index].address = dest;
927	ins->scbs[index].index = index;
928	ins->scbs[index].ref_count = 1;
929
930	desc = (ins->scbs + index);
931	ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
932
933	if (index > ins->scb_highest_frag_index)
934		ins->scb_highest_frag_index = index;
935
936	if (index == ins->nscb)
937		ins->nscb++;
938
939	return desc;
940}
941
942static struct dsp_task_descriptor *
943_map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
944{
945	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
946	struct dsp_task_descriptor * desc = NULL;
947
948	if (ins->ntask == DSP_MAX_TASK_DESC - 1) {
949		dev_err(chip->card->dev,
950			"dsp_spos: got no place for other TASK\n");
951		return NULL;
952	}
953
954	if (name)
955		strcpy(ins->tasks[ins->ntask].task_name, name);
956	else
957		strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
958	ins->tasks[ins->ntask].address = dest;
959	ins->tasks[ins->ntask].size = size;
960
961	/* quick find in list */
962	ins->tasks[ins->ntask].index = ins->ntask;
963	desc = (ins->tasks + ins->ntask);
964	ins->ntask++;
965
966	if (name)
967		add_symbol (chip,name,dest,SYMBOL_PARAMETER);
968	return desc;
969}
970
971#define SCB_BYTES	(0x10 * 4)
972
973struct dsp_scb_descriptor *
974cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
975{
976	struct dsp_scb_descriptor * desc;
977
978#ifdef CONFIG_PM_SLEEP
979	/* copy the data for resume */
980	scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
981	if (!scb_data)
982		return NULL;
983#endif
984
985	desc = _map_scb (chip,name,dest);
986	if (desc) {
987		desc->data = scb_data;
988		_dsp_create_scb(chip,scb_data,dest);
989	} else {
990		dev_err(chip->card->dev, "dsp_spos: failed to map SCB\n");
991#ifdef CONFIG_PM_SLEEP
992		kfree(scb_data);
993#endif
994	}
995
996	return desc;
997}
998
999
1000static struct dsp_task_descriptor *
1001cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_data,
1002			     u32 dest, int size)
1003{
1004	struct dsp_task_descriptor * desc;
1005
1006	desc = _map_task_tree (chip,name,dest,size);
1007	if (desc) {
1008		desc->data = task_data;
1009		_dsp_create_task_tree(chip,task_data,dest,size);
1010	} else {
1011		dev_err(chip->card->dev, "dsp_spos: failed to map TASK\n");
1012	}
1013
1014	return desc;
1015}
1016
1017int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
1018{
1019	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1020	struct dsp_symbol_entry * fg_task_tree_header_code;
1021	struct dsp_symbol_entry * task_tree_header_code;
1022	struct dsp_symbol_entry * task_tree_thread;
1023	struct dsp_symbol_entry * null_algorithm;
1024	struct dsp_symbol_entry * magic_snoop_task;
1025
1026	struct dsp_scb_descriptor * timing_master_scb;
1027	struct dsp_scb_descriptor * codec_out_scb;
1028	struct dsp_scb_descriptor * codec_in_scb;
1029	struct dsp_scb_descriptor * src_task_scb;
1030	struct dsp_scb_descriptor * master_mix_scb;
1031	struct dsp_scb_descriptor * rear_mix_scb;
1032	struct dsp_scb_descriptor * record_mix_scb;
1033	struct dsp_scb_descriptor * write_back_scb;
1034	struct dsp_scb_descriptor * vari_decimate_scb;
1035	struct dsp_scb_descriptor * rear_codec_out_scb;
1036	struct dsp_scb_descriptor * clfe_codec_out_scb;
1037	struct dsp_scb_descriptor * magic_snoop_scb;
1038
1039	int fifo_addr, fifo_span, valid_slots;
1040
1041	static const struct dsp_spos_control_block sposcb = {
1042		/* 0 */ HFG_TREE_SCB,HFG_STACK,
1043		/* 1 */ SPOSCB_ADDR,BG_TREE_SCB_ADDR,
1044		/* 2 */ DSP_SPOS_DC,0,
1045		/* 3 */ DSP_SPOS_DC,DSP_SPOS_DC,
1046		/* 4 */ 0,0,
1047		/* 5 */ DSP_SPOS_UU,0,
1048		/* 6 */ FG_TASK_HEADER_ADDR,0,
1049		/* 7 */ 0,0,
1050		/* 8 */ DSP_SPOS_UU,DSP_SPOS_DC,
1051		/* 9 */ 0,
1052		/* A */ 0,HFG_FIRST_EXECUTE_MODE,
1053		/* B */ DSP_SPOS_UU,DSP_SPOS_UU,
1054		/* C */ DSP_SPOS_DC_DC,
1055		/* D */ DSP_SPOS_DC_DC,
1056		/* E */ DSP_SPOS_DC_DC,
1057		/* F */ DSP_SPOS_DC_DC
1058	};
1059
1060	cs46xx_dsp_create_task_tree(chip, "sposCB", (u32 *)&sposcb, SPOSCB_ADDR, 0x10);
1061
1062	null_algorithm  = cs46xx_dsp_lookup_symbol(chip, "NULLALGORITHM", SYMBOL_CODE);
1063	if (null_algorithm == NULL) {
1064		dev_err(chip->card->dev,
1065			"dsp_spos: symbol NULLALGORITHM not found\n");
1066		return -EIO;
1067	}
1068
1069	fg_task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "FGTASKTREEHEADERCODE", SYMBOL_CODE);
1070	if (fg_task_tree_header_code == NULL) {
1071		dev_err(chip->card->dev,
1072			"dsp_spos: symbol FGTASKTREEHEADERCODE not found\n");
1073		return -EIO;
1074	}
1075
1076	task_tree_header_code = cs46xx_dsp_lookup_symbol(chip, "TASKTREEHEADERCODE", SYMBOL_CODE);
1077	if (task_tree_header_code == NULL) {
1078		dev_err(chip->card->dev,
1079			"dsp_spos: symbol TASKTREEHEADERCODE not found\n");
1080		return -EIO;
1081	}
1082
1083	task_tree_thread = cs46xx_dsp_lookup_symbol(chip, "TASKTREETHREAD", SYMBOL_CODE);
1084	if (task_tree_thread == NULL) {
1085		dev_err(chip->card->dev,
1086			"dsp_spos: symbol TASKTREETHREAD not found\n");
1087		return -EIO;
1088	}
1089
1090	magic_snoop_task = cs46xx_dsp_lookup_symbol(chip, "MAGICSNOOPTASK", SYMBOL_CODE);
1091	if (magic_snoop_task == NULL) {
1092		dev_err(chip->card->dev,
1093			"dsp_spos: symbol MAGICSNOOPTASK not found\n");
1094		return -EIO;
1095	}
1096
1097	{
1098		/* create the null SCB */
1099		static struct dsp_generic_scb null_scb = {
1100			{ 0, 0, 0, 0 },
1101			{ 0, 0, 0, 0, 0 },
1102			NULL_SCB_ADDR, NULL_SCB_ADDR,
1103			0, 0, 0, 0, 0,
1104			{
1105				0,0,
1106				0,0,
1107			}
1108		};
1109
1110		null_scb.entry_point = null_algorithm->address;
1111		ins->the_null_scb = cs46xx_dsp_create_scb(chip, "nullSCB", (u32 *)&null_scb, NULL_SCB_ADDR);
1112		ins->the_null_scb->task_entry = null_algorithm;
1113		ins->the_null_scb->sub_list_ptr = ins->the_null_scb;
1114		ins->the_null_scb->next_scb_ptr = ins->the_null_scb;
1115		ins->the_null_scb->parent_scb_ptr = NULL;
1116		cs46xx_dsp_proc_register_scb_desc (chip,ins->the_null_scb);
1117	}
1118
1119	{
1120		/* setup foreground task tree */
1121		static struct dsp_task_tree_control_block fg_task_tree_hdr =  {
1122			{ FG_TASK_HEADER_ADDR | (DSP_SPOS_DC << 0x10),
1123			  DSP_SPOS_DC_DC,
1124			  DSP_SPOS_DC_DC,
1125			  0x0000,DSP_SPOS_DC,
1126			  DSP_SPOS_DC, DSP_SPOS_DC,
1127			  DSP_SPOS_DC_DC,
1128			  DSP_SPOS_DC_DC,
1129			  DSP_SPOS_DC_DC,
1130			  DSP_SPOS_DC,DSP_SPOS_DC },
1131
1132			{
1133				BG_TREE_SCB_ADDR,TIMINGMASTER_SCB_ADDR,
1134				0,
1135				FG_TASK_HEADER_ADDR + TCBData,
1136			},
1137
1138			{
1139				4,0,
1140				1,0,
1141				2,SPOSCB_ADDR + HFGFlags,
1142				0,0,
1143				FG_TASK_HEADER_ADDR + TCBContextBlk,FG_STACK
1144			},
1145
1146			{
1147				DSP_SPOS_DC,0,
1148				DSP_SPOS_DC,DSP_SPOS_DC,
1149				DSP_SPOS_DC,DSP_SPOS_DC,
1150				DSP_SPOS_DC,DSP_SPOS_DC,
1151				DSP_SPOS_DC,DSP_SPOS_DC,
1152				DSP_SPOS_DCDC,
1153				DSP_SPOS_UU,1,
1154				DSP_SPOS_DCDC,
1155				DSP_SPOS_DCDC,
1156				DSP_SPOS_DCDC,
1157				DSP_SPOS_DCDC,
1158				DSP_SPOS_DCDC,
1159				DSP_SPOS_DCDC,
1160				DSP_SPOS_DCDC,
1161				DSP_SPOS_DCDC,
1162				DSP_SPOS_DCDC,
1163				DSP_SPOS_DCDC,
1164				DSP_SPOS_DCDC,
1165				DSP_SPOS_DCDC,
1166				DSP_SPOS_DCDC,
1167				DSP_SPOS_DCDC,
1168				DSP_SPOS_DCDC,
1169				DSP_SPOS_DCDC,
1170				DSP_SPOS_DCDC,
1171				DSP_SPOS_DCDC,
1172				DSP_SPOS_DCDC,
1173				DSP_SPOS_DCDC,
1174				DSP_SPOS_DCDC,
1175				DSP_SPOS_DCDC,
1176				DSP_SPOS_DCDC,
1177				DSP_SPOS_DCDC,
1178				DSP_SPOS_DCDC,
1179				DSP_SPOS_DCDC,
1180				DSP_SPOS_DCDC,
1181				DSP_SPOS_DCDC
1182			},
1183			{
1184				FG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1185				0,0
1186			}
1187		};
1188
1189		fg_task_tree_hdr.links.entry_point = fg_task_tree_header_code->address;
1190		fg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1191		cs46xx_dsp_create_task_tree(chip,"FGtaskTreeHdr",(u32 *)&fg_task_tree_hdr,FG_TASK_HEADER_ADDR,0x35);
1192	}
1193
1194
1195	{
1196		/* setup foreground task tree */
1197		static struct dsp_task_tree_control_block bg_task_tree_hdr =  {
1198			{ DSP_SPOS_DC_DC,
1199			  DSP_SPOS_DC_DC,
1200			  DSP_SPOS_DC_DC,
1201			  DSP_SPOS_DC, DSP_SPOS_DC,
1202			  DSP_SPOS_DC, DSP_SPOS_DC,
1203			  DSP_SPOS_DC_DC,
1204			  DSP_SPOS_DC_DC,
1205			  DSP_SPOS_DC_DC,
1206			  DSP_SPOS_DC,DSP_SPOS_DC },
1207
1208			{
1209				NULL_SCB_ADDR,NULL_SCB_ADDR,  /* Set up the background to do nothing */
1210				0,
1211				BG_TREE_SCB_ADDR + TCBData,
1212			},
1213
1214			{
1215				9999,0,
1216				0,1,
1217				0,SPOSCB_ADDR + HFGFlags,
1218				0,0,
1219				BG_TREE_SCB_ADDR + TCBContextBlk,BG_STACK
1220			},
1221
1222			{
1223				DSP_SPOS_DC,0,
1224				DSP_SPOS_DC,DSP_SPOS_DC,
1225				DSP_SPOS_DC,DSP_SPOS_DC,
1226				DSP_SPOS_DC,DSP_SPOS_DC,
1227				DSP_SPOS_DC,DSP_SPOS_DC,
1228				DSP_SPOS_DCDC,
1229				DSP_SPOS_UU,1,
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				DSP_SPOS_DCDC,
1250				DSP_SPOS_DCDC,
1251				DSP_SPOS_DCDC,
1252				DSP_SPOS_DCDC,
1253				DSP_SPOS_DCDC,
1254				DSP_SPOS_DCDC,
1255				DSP_SPOS_DCDC,
1256				DSP_SPOS_DCDC,
1257				DSP_SPOS_DCDC
1258			},
1259			{
1260				BG_INTERVAL_TIMER_PERIOD,DSP_SPOS_UU,
1261				0,0
1262			}
1263		};
1264
1265		bg_task_tree_hdr.links.entry_point = task_tree_header_code->address;
1266		bg_task_tree_hdr.context_blk.stack0 = task_tree_thread->address;
1267		cs46xx_dsp_create_task_tree(chip,"BGtaskTreeHdr",(u32 *)&bg_task_tree_hdr,BG_TREE_SCB_ADDR,0x35);
1268	}
1269
1270	/* create timing master SCB */
1271	timing_master_scb = cs46xx_dsp_create_timing_master_scb(chip);
1272
1273	/* create the CODEC output task */
1274	codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_I",0x0010,0x0000,
1275							MASTERMIX_SCB_ADDR,
1276							CODECOUT_SCB_ADDR,timing_master_scb,
1277							SCB_ON_PARENT_SUBLIST_SCB);
1278
1279	if (!codec_out_scb) goto _fail_end;
1280	/* create the master mix SCB */
1281	master_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"MasterMixSCB",
1282							MIX_SAMPLE_BUF1,MASTERMIX_SCB_ADDR,
1283							codec_out_scb,
1284							SCB_ON_PARENT_SUBLIST_SCB);
1285	ins->master_mix_scb = master_mix_scb;
1286
1287	if (!master_mix_scb) goto _fail_end;
1288
1289	/* create codec in */
1290	codec_in_scb = cs46xx_dsp_create_codec_in_scb(chip,"CodecInSCB",0x0010,0x00A0,
1291						      CODEC_INPUT_BUF1,
1292						      CODECIN_SCB_ADDR,codec_out_scb,
1293						      SCB_ON_PARENT_NEXT_SCB);
1294	if (!codec_in_scb) goto _fail_end;
1295	ins->codec_in_scb = codec_in_scb;
1296
1297	/* create write back scb */
1298	write_back_scb = cs46xx_dsp_create_mix_to_ostream_scb(chip,"WriteBackSCB",
1299							      WRITE_BACK_BUF1,WRITE_BACK_SPB,
1300							      WRITEBACK_SCB_ADDR,
1301							      timing_master_scb,
1302							      SCB_ON_PARENT_NEXT_SCB);
1303	if (!write_back_scb) goto _fail_end;
1304
1305	{
1306		static struct dsp_mix2_ostream_spb mix2_ostream_spb = {
1307			0x00020000,
1308			0x0000ffff
1309		};
1310
1311		if (!cs46xx_dsp_create_task_tree(chip, NULL,
1312						 (u32 *)&mix2_ostream_spb,
1313						 WRITE_BACK_SPB, 2))
1314			goto _fail_end;
1315	}
1316
1317	/* input sample converter */
1318	vari_decimate_scb = cs46xx_dsp_create_vari_decimate_scb(chip,"VariDecimateSCB",
1319								VARI_DECIMATE_BUF0,
1320								VARI_DECIMATE_BUF1,
1321								VARIDECIMATE_SCB_ADDR,
1322								write_back_scb,
1323								SCB_ON_PARENT_SUBLIST_SCB);
1324	if (!vari_decimate_scb) goto _fail_end;
1325
1326	/* create the record mixer SCB */
1327	record_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RecordMixerSCB",
1328							MIX_SAMPLE_BUF2,
1329							RECORD_MIXER_SCB_ADDR,
1330							vari_decimate_scb,
1331							SCB_ON_PARENT_SUBLIST_SCB);
1332	ins->record_mixer_scb = record_mix_scb;
1333
1334	if (!record_mix_scb) goto _fail_end;
1335
1336	valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV);
1337
1338	if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2))
1339		goto _fail_end;
1340
1341	if (chip->nr_ac97_codecs == 1) {
1342		/* output on slot 5 and 11
1343		   on primary CODEC */
1344		fifo_addr = 0x20;
1345		fifo_span = 0x60;
1346
1347		/* enable slot 5 and 11 */
1348		valid_slots |= ACOSV_SLV5 | ACOSV_SLV11;
1349	} else {
1350		/* output on slot 7 and 8
1351		   on secondary CODEC */
1352		fifo_addr = 0x40;
1353		fifo_span = 0x10;
1354
1355		/* enable slot 7 and 8 */
1356		valid_slots |= ACOSV_SLV7 | ACOSV_SLV8;
1357	}
1358	/* create CODEC tasklet for rear speakers output*/
1359	rear_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_Rear",fifo_span,fifo_addr,
1360							     REAR_MIXER_SCB_ADDR,
1361							     REAR_CODECOUT_SCB_ADDR,codec_in_scb,
1362							     SCB_ON_PARENT_NEXT_SCB);
1363	if (!rear_codec_out_scb) goto _fail_end;
1364
1365
1366	/* create the rear PCM channel  mixer SCB */
1367	rear_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"RearMixerSCB",
1368						      MIX_SAMPLE_BUF3,
1369						      REAR_MIXER_SCB_ADDR,
1370						      rear_codec_out_scb,
1371						      SCB_ON_PARENT_SUBLIST_SCB);
1372	ins->rear_mix_scb = rear_mix_scb;
1373	if (!rear_mix_scb) goto _fail_end;
1374
1375	if (chip->nr_ac97_codecs == 2) {
1376		/* create CODEC tasklet for rear Center/LFE output
1377		   slot 6 and 9 on secondary CODEC */
1378		clfe_codec_out_scb = cs46xx_dsp_create_codec_out_scb(chip,"CodecOutSCB_CLFE",0x0030,0x0030,
1379								     CLFE_MIXER_SCB_ADDR,
1380								     CLFE_CODEC_SCB_ADDR,
1381								     rear_codec_out_scb,
1382								     SCB_ON_PARENT_NEXT_SCB);
1383		if (!clfe_codec_out_scb) goto _fail_end;
1384
1385
1386		/* create the rear PCM channel  mixer SCB */
1387		ins->center_lfe_mix_scb = cs46xx_dsp_create_mix_only_scb(chip,"CLFEMixerSCB",
1388									 MIX_SAMPLE_BUF4,
1389									 CLFE_MIXER_SCB_ADDR,
1390									 clfe_codec_out_scb,
1391									 SCB_ON_PARENT_SUBLIST_SCB);
1392		if (!ins->center_lfe_mix_scb) goto _fail_end;
1393
1394		/* enable slot 6 and 9 */
1395		valid_slots |= ACOSV_SLV6 | ACOSV_SLV9;
1396	} else {
1397		clfe_codec_out_scb = rear_codec_out_scb;
1398		ins->center_lfe_mix_scb = rear_mix_scb;
1399	}
1400
1401	/* enable slots depending on CODEC configuration */
1402	snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots);
1403
1404	/* the magic snooper */
1405	magic_snoop_scb = cs46xx_dsp_create_magic_snoop_scb (chip,"MagicSnoopSCB_I",OUTPUTSNOOP_SCB_ADDR,
1406							     OUTPUT_SNOOP_BUFFER,
1407							     codec_out_scb,
1408							     clfe_codec_out_scb,
1409							     SCB_ON_PARENT_NEXT_SCB);
1410
1411
1412	if (!magic_snoop_scb) goto _fail_end;
1413	ins->ref_snoop_scb = magic_snoop_scb;
1414
1415	/* SP IO access */
1416	if (!cs46xx_dsp_create_spio_write_scb(chip,"SPIOWriteSCB",SPIOWRITE_SCB_ADDR,
1417					      magic_snoop_scb,
1418					      SCB_ON_PARENT_NEXT_SCB))
1419		goto _fail_end;
1420
1421	/* SPDIF input sampel rate converter */
1422	src_task_scb = cs46xx_dsp_create_src_task_scb(chip,"SrcTaskSCB_SPDIFI",
1423						      ins->spdif_in_sample_rate,
1424						      SRC_OUTPUT_BUF1,
1425						      SRC_DELAY_BUF1,SRCTASK_SCB_ADDR,
1426						      master_mix_scb,
1427						      SCB_ON_PARENT_SUBLIST_SCB,1);
1428
1429	if (!src_task_scb) goto _fail_end;
1430	cs46xx_src_unlink(chip,src_task_scb);
1431
1432	/* NOTE: when we now how to detect the SPDIF input
1433	   sample rate we will use this SRC to adjust it */
1434	ins->spdif_in_src = src_task_scb;
1435
1436	cs46xx_dsp_async_init(chip,timing_master_scb);
1437	return 0;
1438
1439 _fail_end:
1440	dev_err(chip->card->dev, "dsp_spos: failed to setup SCB's in DSP\n");
1441	return -EINVAL;
1442}
1443
1444static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
1445				  struct dsp_scb_descriptor * fg_entry)
1446{
1447	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1448	struct dsp_symbol_entry * s16_async_codec_input_task;
1449	struct dsp_symbol_entry * spdifo_task;
1450	struct dsp_symbol_entry * spdifi_task;
1451	struct dsp_scb_descriptor * spdifi_scb_desc, * spdifo_scb_desc, * async_codec_scb_desc;
1452
1453	s16_async_codec_input_task = cs46xx_dsp_lookup_symbol(chip, "S16_ASYNCCODECINPUTTASK", SYMBOL_CODE);
1454	if (s16_async_codec_input_task == NULL) {
1455		dev_err(chip->card->dev,
1456			"dsp_spos: symbol S16_ASYNCCODECINPUTTASK not found\n");
1457		return -EIO;
1458	}
1459	spdifo_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFOTASK", SYMBOL_CODE);
1460	if (spdifo_task == NULL) {
1461		dev_err(chip->card->dev,
1462			"dsp_spos: symbol SPDIFOTASK not found\n");
1463		return -EIO;
1464	}
1465
1466	spdifi_task = cs46xx_dsp_lookup_symbol(chip, "SPDIFITASK", SYMBOL_CODE);
1467	if (spdifi_task == NULL) {
1468		dev_err(chip->card->dev,
1469			"dsp_spos: symbol SPDIFITASK not found\n");
1470		return -EIO;
1471	}
1472
1473	{
1474		/* 0xBC0 */
1475		struct dsp_spdifoscb spdifo_scb = {
1476			/* 0 */ DSP_SPOS_UUUU,
1477			{
1478				/* 1 */ 0xb0,
1479				/* 2 */ 0,
1480				/* 3 */ 0,
1481				/* 4 */ 0,
1482			},
1483			/* NOTE: the SPDIF output task read samples in mono
1484			   format, the AsynchFGTxSCB task writes to buffer
1485			   in stereo format
1486			*/
1487			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_256,
1488			/* 6 */ ( SPDIFO_IP_OUTPUT_BUFFER1 << 0x10 )  |  0xFFFC,
1489			/* 7 */ 0,0,
1490			/* 8 */ 0,
1491			/* 9 */ FG_TASK_HEADER_ADDR, NULL_SCB_ADDR,
1492			/* A */ spdifo_task->address,
1493			SPDIFO_SCB_INST + SPDIFOFIFOPointer,
1494			{
1495				/* B */ 0x0040, /*DSP_SPOS_UUUU,*/
1496				/* C */ 0x20ff, /*DSP_SPOS_UUUU,*/
1497			},
1498			/* D */ 0x804c,0,							  /* SPDIFOFIFOPointer:SPDIFOStatRegAddr; */
1499			/* E */ 0x0108,0x0001,					  /* SPDIFOStMoFormat:SPDIFOFIFOBaseAddr; */
1500			/* F */ DSP_SPOS_UUUU	  			          /* SPDIFOFree; */
1501		};
1502
1503		/* 0xBB0 */
1504		struct dsp_spdifiscb spdifi_scb = {
1505			/* 0 */ DSP_SPOS_UULO,DSP_SPOS_UUHI,
1506			/* 1 */ 0,
1507			/* 2 */ 0,
1508			/* 3 */ 1,4000,        /* SPDIFICountLimit SPDIFICount */
1509			/* 4 */ DSP_SPOS_UUUU, /* SPDIFIStatusData */
1510			/* 5 */ 0,DSP_SPOS_UUHI, /* StatusData, Free4 */
1511			/* 6 */ DSP_SPOS_UUUU,  /* Free3 */
1512			/* 7 */ DSP_SPOS_UU,DSP_SPOS_DC,  /* Free2 BitCount*/
1513			/* 8 */ DSP_SPOS_UUUU,	/* TempStatus */
1514			/* 9 */ SPDIFO_SCB_INST, NULL_SCB_ADDR,
1515			/* A */ spdifi_task->address,
1516			SPDIFI_SCB_INST + SPDIFIFIFOPointer,
1517			/* NOTE: The SPDIF input task write the sample in mono
1518			   format from the HW FIFO, the AsynchFGRxSCB task  reads
1519			   them in stereo
1520			*/
1521			/* B */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_128,
1522			/* C */ (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1523			/* D */ 0x8048,0,
1524			/* E */ 0x01f0,0x0001,
1525			/* F */ DSP_SPOS_UUUU /* SPDIN_STATUS monitor */
1526		};
1527
1528		/* 0xBA0 */
1529		struct dsp_async_codec_input_scb async_codec_input_scb = {
1530			/* 0 */ DSP_SPOS_UUUU,
1531			/* 1 */ 0,
1532			/* 2 */ 0,
1533			/* 3 */ 1,4000,
1534			/* 4 */ 0x0118,0x0001,
1535			/* 5 */ RSCONFIG_SAMPLE_16MONO + RSCONFIG_MODULO_64,
1536			/* 6 */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,
1537			/* 7 */ DSP_SPOS_UU,0x3,
1538			/* 8 */ DSP_SPOS_UUUU,
1539			/* 9 */ SPDIFI_SCB_INST,NULL_SCB_ADDR,
1540			/* A */ s16_async_codec_input_task->address,
1541			HFG_TREE_SCB + AsyncCIOFIFOPointer,
1542
1543			/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64,
1544			/* C */ (ASYNC_IP_OUTPUT_BUFFER1 << 0x10),  /*(ASYNC_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC,*/
1545
1546#ifdef UseASER1Input
1547			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1548			   Init. 0000:8042: for ASER1
1549			   0000:8044: for ASER2 */
1550			/* D */ 0x8042,0,
1551
1552			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1553			   Init 1 stero:8050 ASER1
1554			   Init 0  mono:8070 ASER2
1555			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1556			/* E */ 0x0100,0x0001,
1557
1558#endif
1559
1560#ifdef UseASER2Input
1561			/* short AsyncCIFIFOPointer:AsyncCIStatRegAddr;
1562			   Init. 0000:8042: for ASER1
1563			   0000:8044: for ASER2 */
1564			/* D */ 0x8044,0,
1565
1566			/* short AsyncCIStMoFormat:AsyncCIFIFOBaseAddr;
1567			   Init 1 stero:8050 ASER1
1568			   Init 0  mono:8070 ASER2
1569			   Init 1 Stereo : 0100 ASER1 (Set by script) */
1570			/* E */ 0x0110,0x0001,
1571
1572#endif
1573
1574			/* short AsyncCIOutputBufModulo:AsyncCIFree;
1575			   AsyncCIOutputBufModulo: The modulo size for
1576			   the output buffer of this task */
1577			/* F */ 0, /* DSP_SPOS_UUUU */
1578		};
1579
1580		spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST);
1581
1582		if (snd_BUG_ON(!spdifo_scb_desc))
1583			return -EIO;
1584		spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST);
1585		if (snd_BUG_ON(!spdifi_scb_desc))
1586			return -EIO;
1587		async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB);
1588		if (snd_BUG_ON(!async_codec_scb_desc))
1589			return -EIO;
1590
1591		async_codec_scb_desc->parent_scb_ptr = NULL;
1592		async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc;
1593		async_codec_scb_desc->sub_list_ptr = ins->the_null_scb;
1594		async_codec_scb_desc->task_entry = s16_async_codec_input_task;
1595
1596		spdifi_scb_desc->parent_scb_ptr = async_codec_scb_desc;
1597		spdifi_scb_desc->next_scb_ptr = spdifo_scb_desc;
1598		spdifi_scb_desc->sub_list_ptr = ins->the_null_scb;
1599		spdifi_scb_desc->task_entry = spdifi_task;
1600
1601		spdifo_scb_desc->parent_scb_ptr = spdifi_scb_desc;
1602		spdifo_scb_desc->next_scb_ptr = fg_entry;
1603		spdifo_scb_desc->sub_list_ptr = ins->the_null_scb;
1604		spdifo_scb_desc->task_entry = spdifo_task;
1605
1606		/* this one is faked, as the parnet of SPDIFO task
1607		   is the FG task tree */
1608		fg_entry->parent_scb_ptr = spdifo_scb_desc;
1609
1610		/* for proc fs */
1611		cs46xx_dsp_proc_register_scb_desc (chip,spdifo_scb_desc);
1612		cs46xx_dsp_proc_register_scb_desc (chip,spdifi_scb_desc);
1613		cs46xx_dsp_proc_register_scb_desc (chip,async_codec_scb_desc);
1614
1615		/* Async MASTER ENABLE, affects both SPDIF input and output */
1616		snd_cs46xx_pokeBA0(chip, BA0_ASER_MASTER, 0x1 );
1617	}
1618
1619	return 0;
1620}
1621
1622static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
1623{
1624	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1625
1626	/* set SPDIF output FIFO slot */
1627	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, 0);
1628
1629	/* SPDIF output MASTER ENABLE */
1630	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0);
1631
1632	/* right and left validate bit */
1633	/*cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);*/
1634	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, 0x0);
1635
1636	/* clear fifo pointer */
1637	cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);
1638
1639	/* monitor state */
1640	ins->spdif_status_out &= ~DSP_SPDIF_STATUS_HW_ENABLED;
1641}
1642
1643int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip)
1644{
1645	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1646
1647	/* if hw-ctrl already enabled, turn off to reset logic ... */
1648	cs46xx_dsp_disable_spdif_hw (chip);
1649	udelay(50);
1650
1651	/* set SPDIF output FIFO slot */
1652	snd_cs46xx_pokeBA0(chip, BA0_ASER_FADDR, ( 0x8000 | ((SP_SPDOUT_FIFO >> 4) << 4) ));
1653
1654	/* SPDIF output MASTER ENABLE */
1655	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CONTROL, 0x80000000);
1656
1657	/* right and left validate bit */
1658	cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default);
1659
1660	/* monitor state */
1661	ins->spdif_status_out |= DSP_SPDIF_STATUS_HW_ENABLED;
1662
1663	return 0;
1664}
1665
1666int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip)
1667{
1668	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1669
1670	/* turn on amplifier */
1671	chip->active_ctrl(chip, 1);
1672	chip->amplifier_ctrl(chip, 1);
1673
1674	if (snd_BUG_ON(ins->asynch_rx_scb))
1675		return -EINVAL;
1676	if (snd_BUG_ON(!ins->spdif_in_src))
1677		return -EINVAL;
1678
1679	mutex_lock(&chip->spos_mutex);
1680
1681	if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) {
1682		/* time countdown enable */
1683		cs46xx_poke_via_dsp (chip,SP_ASER_COUNTDOWN, 0x80000005);
1684		/* NOTE: 80000005 value is just magic. With all values
1685		   that I've tested this one seem to give the best result.
1686		   Got no explication why. (Benny) */
1687
1688		/* SPDIF input MASTER ENABLE */
1689		cs46xx_poke_via_dsp (chip,SP_SPDIN_CONTROL, 0x800003ff);
1690
1691		ins->spdif_status_out |= DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED;
1692	}
1693
1694	/* create and start the asynchronous receiver SCB */
1695	ins->asynch_rx_scb = cs46xx_dsp_create_asynch_fg_rx_scb(chip,"AsynchFGRxSCB",
1696								ASYNCRX_SCB_ADDR,
1697								SPDIFI_SCB_INST,
1698								SPDIFI_IP_OUTPUT_BUFFER1,
1699								ins->spdif_in_src,
1700								SCB_ON_PARENT_SUBLIST_SCB);
1701
1702	spin_lock_irq(&chip->reg_lock);
1703
1704	/* reset SPDIF input sample buffer pointer */
1705	/*snd_cs46xx_poke (chip, (SPDIFI_SCB_INST + 0x0c) << 2,
1706	  (SPDIFI_IP_OUTPUT_BUFFER1 << 0x10) | 0xFFFC);*/
1707
1708	/* reset FIFO ptr */
1709	/*cs46xx_poke_via_dsp (chip,SP_SPDIN_FIFOPTR, 0x0);*/
1710	cs46xx_src_link(chip,ins->spdif_in_src);
1711
1712	/* unmute SRC volume */
1713	cs46xx_dsp_scb_set_volume (chip,ins->spdif_in_src,0x7fff,0x7fff);
1714
1715	spin_unlock_irq(&chip->reg_lock);
1716
1717	/* set SPDIF input sample rate and unmute
1718	   NOTE: only 48khz support for SPDIF input this time */
1719	/* cs46xx_dsp_set_src_sample_rate(chip,ins->spdif_in_src,48000); */
1720
1721	/* monitor state */
1722	ins->spdif_status_in = 1;
1723	mutex_unlock(&chip->spos_mutex);
1724
1725	return 0;
1726}
1727
1728int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip)
1729{
1730	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1731
1732	if (snd_BUG_ON(!ins->asynch_rx_scb))
1733		return -EINVAL;
1734	if (snd_BUG_ON(!ins->spdif_in_src))
1735		return -EINVAL;
1736
1737	mutex_lock(&chip->spos_mutex);
1738
1739	/* Remove the asynchronous receiver SCB */
1740	cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb);
1741	ins->asynch_rx_scb = NULL;
1742
1743	cs46xx_src_unlink(chip,ins->spdif_in_src);
1744
1745	/* monitor state */
1746	ins->spdif_status_in = 0;
1747	mutex_unlock(&chip->spos_mutex);
1748
1749	/* restore amplifier */
1750	chip->active_ctrl(chip, -1);
1751	chip->amplifier_ctrl(chip, -1);
1752
1753	return 0;
1754}
1755
1756int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip)
1757{
1758	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1759
1760	if (snd_BUG_ON(ins->pcm_input))
1761		return -EINVAL;
1762	if (snd_BUG_ON(!ins->ref_snoop_scb))
1763		return -EINVAL;
1764
1765	mutex_lock(&chip->spos_mutex);
1766	ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR,
1767                                                  "PCMSerialInput_Wave");
1768	mutex_unlock(&chip->spos_mutex);
1769
1770	return 0;
1771}
1772
1773int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip)
1774{
1775	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1776
1777	if (snd_BUG_ON(!ins->pcm_input))
1778		return -EINVAL;
1779
1780	mutex_lock(&chip->spos_mutex);
1781	cs46xx_dsp_remove_scb (chip,ins->pcm_input);
1782	ins->pcm_input = NULL;
1783	mutex_unlock(&chip->spos_mutex);
1784
1785	return 0;
1786}
1787
1788int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip)
1789{
1790	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1791
1792	if (snd_BUG_ON(ins->adc_input))
1793		return -EINVAL;
1794	if (snd_BUG_ON(!ins->codec_in_scb))
1795		return -EINVAL;
1796
1797	mutex_lock(&chip->spos_mutex);
1798	ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR,
1799						  "PCMSerialInput_ADC");
1800	mutex_unlock(&chip->spos_mutex);
1801
1802	return 0;
1803}
1804
1805int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip)
1806{
1807	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1808
1809	if (snd_BUG_ON(!ins->adc_input))
1810		return -EINVAL;
1811
1812	mutex_lock(&chip->spos_mutex);
1813	cs46xx_dsp_remove_scb (chip,ins->adc_input);
1814	ins->adc_input = NULL;
1815	mutex_unlock(&chip->spos_mutex);
1816
1817	return 0;
1818}
1819
1820int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data)
1821{
1822	u32 temp;
1823	int  i;
1824
1825	/* santiy check the parameters.  (These numbers are not 100% correct.  They are
1826	   a rough guess from looking at the controller spec.) */
1827	if (address < 0x8000 || address >= 0x9000)
1828		return -EINVAL;
1829
1830	/* initialize the SP_IO_WRITE SCB with the data. */
1831	temp = ( address << 16 ) | ( address & 0x0000FFFF);   /* offset 0 <-- address2 : address1 */
1832
1833	snd_cs46xx_poke(chip,( SPIOWRITE_SCB_ADDR      << 2), temp);
1834	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 1) << 2), data); /* offset 1 <-- data1 */
1835	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 2) << 2), data); /* offset 1 <-- data2 */
1836
1837	/* Poke this location to tell the task to start */
1838	snd_cs46xx_poke(chip,((SPIOWRITE_SCB_ADDR + 6) << 2), SPIOWRITE_SCB_ADDR << 0x10);
1839
1840	/* Verify that the task ran */
1841	for (i=0; i<25; i++) {
1842		udelay(125);
1843
1844		temp =  snd_cs46xx_peek(chip,((SPIOWRITE_SCB_ADDR + 6) << 2));
1845		if (temp == 0x00000000)
1846			break;
1847	}
1848
1849	if (i == 25) {
1850		dev_err(chip->card->dev,
1851			"dsp_spos: SPIOWriteTask not responding\n");
1852		return -EBUSY;
1853	}
1854
1855	return 0;
1856}
1857
1858int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1859{
1860	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1861	struct dsp_scb_descriptor * scb;
1862
1863	mutex_lock(&chip->spos_mutex);
1864
1865	/* main output */
1866	scb = ins->master_mix_scb->sub_list_ptr;
1867	while (scb != ins->the_null_scb) {
1868		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1869		scb = scb->next_scb_ptr;
1870	}
1871
1872	/* rear output */
1873	scb = ins->rear_mix_scb->sub_list_ptr;
1874	while (scb != ins->the_null_scb) {
1875		cs46xx_dsp_scb_set_volume (chip,scb,left,right);
1876		scb = scb->next_scb_ptr;
1877	}
1878
1879	ins->dac_volume_left = left;
1880	ins->dac_volume_right = right;
1881
1882	mutex_unlock(&chip->spos_mutex);
1883
1884	return 0;
1885}
1886
1887int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
1888{
1889	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1890
1891	mutex_lock(&chip->spos_mutex);
1892
1893	if (ins->asynch_rx_scb != NULL)
1894		cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb,
1895					   left,right);
1896
1897	ins->spdif_input_volume_left = left;
1898	ins->spdif_input_volume_right = right;
1899
1900	mutex_unlock(&chip->spos_mutex);
1901
1902	return 0;
1903}
1904
1905#ifdef CONFIG_PM_SLEEP
1906int cs46xx_dsp_resume(struct snd_cs46xx * chip)
1907{
1908	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
1909	int i, err;
1910
1911	/* clear parameter, sample and code areas */
1912	snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
1913			     DSP_PARAMETER_BYTE_SIZE);
1914	snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
1915			     DSP_SAMPLE_BYTE_SIZE);
1916	snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
1917
1918	for (i = 0; i < ins->nmodules; i++) {
1919		struct dsp_module_desc *module = &ins->modules[i];
1920		struct dsp_segment_desc *seg;
1921		u32 doffset, dsize;
1922
1923		seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
1924		err = dsp_load_parameter(chip, seg);
1925		if (err < 0)
1926			return err;
1927
1928		seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
1929		err = dsp_load_sample(chip, seg);
1930		if (err < 0)
1931			return err;
1932
1933		seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
1934		if (!seg)
1935			continue;
1936
1937		doffset = seg->offset * 4 + module->load_address * 4
1938			+ DSP_CODE_BYTE_OFFSET;
1939		dsize   = seg->size * 4;
1940		err = snd_cs46xx_download(chip,
1941					  ins->code.data + module->load_address,
1942					  doffset, dsize);
1943		if (err < 0)
1944			return err;
1945	}
1946
1947	for (i = 0; i < ins->ntask; i++) {
1948		struct dsp_task_descriptor *t = &ins->tasks[i];
1949		_dsp_create_task_tree(chip, t->data, t->address, t->size);
1950	}
1951
1952	for (i = 0; i < ins->nscb; i++) {
1953		struct dsp_scb_descriptor *s = &ins->scbs[i];
1954		if (s->deleted)
1955			continue;
1956		_dsp_create_scb(chip, s->data, s->address);
1957	}
1958	for (i = 0; i < ins->nscb; i++) {
1959		struct dsp_scb_descriptor *s = &ins->scbs[i];
1960		if (s->deleted)
1961			continue;
1962		if (s->updated)
1963			cs46xx_dsp_spos_update_scb(chip, s);
1964		if (s->volume_set)
1965			cs46xx_dsp_scb_set_volume(chip, s,
1966						  s->volume[0], s->volume[1]);
1967	}
1968	if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
1969		cs46xx_dsp_enable_spdif_hw(chip);
1970		snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
1971				(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
1972		if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
1973			cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
1974					    ins->spdif_csuv_stream);
1975	}
1976	if (chip->dsp_spos_instance->spdif_status_in) {
1977		cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
1978		cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
1979	}
1980	return 0;
1981}
1982#endif
1983