xref: /openbmc/linux/sound/pci/ymfpci/ymfpci_main.c (revision 63dc02bd)
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3  *  Routines for control of YMF724/740/744/754 chips
4  *
5  *   This program is free software; you can redistribute it and/or modify
6  *   it under the terms of the GNU General Public License as published by
7  *   the Free Software Foundation; either version 2 of the License, or
8  *   (at your option) any later version.
9  *
10  *   This program is distributed in the hope that it will be useful,
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *   GNU General Public License for more details.
14  *
15  *   You should have received a copy of the GNU General Public License
16  *   along with this program; if not, write to the Free Software
17  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
18  *
19  */
20 
21 #include <linux/delay.h>
22 #include <linux/firmware.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/pci.h>
26 #include <linux/sched.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <linux/mutex.h>
30 #include <linux/module.h>
31 
32 #include <sound/core.h>
33 #include <sound/control.h>
34 #include <sound/info.h>
35 #include <sound/tlv.h>
36 #include <sound/ymfpci.h>
37 #include <sound/asoundef.h>
38 #include <sound/mpu401.h>
39 
40 #include <asm/io.h>
41 #include <asm/byteorder.h>
42 
43 /*
44  *  common I/O routines
45  */
46 
47 static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip);
48 
49 static inline u8 snd_ymfpci_readb(struct snd_ymfpci *chip, u32 offset)
50 {
51 	return readb(chip->reg_area_virt + offset);
52 }
53 
54 static inline void snd_ymfpci_writeb(struct snd_ymfpci *chip, u32 offset, u8 val)
55 {
56 	writeb(val, chip->reg_area_virt + offset);
57 }
58 
59 static inline u16 snd_ymfpci_readw(struct snd_ymfpci *chip, u32 offset)
60 {
61 	return readw(chip->reg_area_virt + offset);
62 }
63 
64 static inline void snd_ymfpci_writew(struct snd_ymfpci *chip, u32 offset, u16 val)
65 {
66 	writew(val, chip->reg_area_virt + offset);
67 }
68 
69 static inline u32 snd_ymfpci_readl(struct snd_ymfpci *chip, u32 offset)
70 {
71 	return readl(chip->reg_area_virt + offset);
72 }
73 
74 static inline void snd_ymfpci_writel(struct snd_ymfpci *chip, u32 offset, u32 val)
75 {
76 	writel(val, chip->reg_area_virt + offset);
77 }
78 
79 static int snd_ymfpci_codec_ready(struct snd_ymfpci *chip, int secondary)
80 {
81 	unsigned long end_time;
82 	u32 reg = secondary ? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR;
83 
84 	end_time = jiffies + msecs_to_jiffies(750);
85 	do {
86 		if ((snd_ymfpci_readw(chip, reg) & 0x8000) == 0)
87 			return 0;
88 		schedule_timeout_uninterruptible(1);
89 	} while (time_before(jiffies, end_time));
90 	snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_ymfpci_readw(chip, reg));
91 	return -EBUSY;
92 }
93 
94 static void snd_ymfpci_codec_write(struct snd_ac97 *ac97, u16 reg, u16 val)
95 {
96 	struct snd_ymfpci *chip = ac97->private_data;
97 	u32 cmd;
98 
99 	snd_ymfpci_codec_ready(chip, 0);
100 	cmd = ((YDSXG_AC97WRITECMD | reg) << 16) | val;
101 	snd_ymfpci_writel(chip, YDSXGR_AC97CMDDATA, cmd);
102 }
103 
104 static u16 snd_ymfpci_codec_read(struct snd_ac97 *ac97, u16 reg)
105 {
106 	struct snd_ymfpci *chip = ac97->private_data;
107 
108 	if (snd_ymfpci_codec_ready(chip, 0))
109 		return ~0;
110 	snd_ymfpci_writew(chip, YDSXGR_AC97CMDADR, YDSXG_AC97READCMD | reg);
111 	if (snd_ymfpci_codec_ready(chip, 0))
112 		return ~0;
113 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_744 && chip->rev < 2) {
114 		int i;
115 		for (i = 0; i < 600; i++)
116 			snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
117 	}
118 	return snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
119 }
120 
121 /*
122  *  Misc routines
123  */
124 
125 static u32 snd_ymfpci_calc_delta(u32 rate)
126 {
127 	switch (rate) {
128 	case 8000:	return 0x02aaab00;
129 	case 11025:	return 0x03accd00;
130 	case 16000:	return 0x05555500;
131 	case 22050:	return 0x07599a00;
132 	case 32000:	return 0x0aaaab00;
133 	case 44100:	return 0x0eb33300;
134 	default:	return ((rate << 16) / 375) << 5;
135 	}
136 }
137 
138 static u32 def_rate[8] = {
139 	100, 2000, 8000, 11025, 16000, 22050, 32000, 48000
140 };
141 
142 static u32 snd_ymfpci_calc_lpfK(u32 rate)
143 {
144 	u32 i;
145 	static u32 val[8] = {
146 		0x00570000, 0x06AA0000, 0x18B20000, 0x20930000,
147 		0x2B9A0000, 0x35A10000, 0x3EAA0000, 0x40000000
148 	};
149 
150 	if (rate == 44100)
151 		return 0x40000000;	/* FIXME: What's the right value? */
152 	for (i = 0; i < 8; i++)
153 		if (rate <= def_rate[i])
154 			return val[i];
155 	return val[0];
156 }
157 
158 static u32 snd_ymfpci_calc_lpfQ(u32 rate)
159 {
160 	u32 i;
161 	static u32 val[8] = {
162 		0x35280000, 0x34A70000, 0x32020000, 0x31770000,
163 		0x31390000, 0x31C90000, 0x33D00000, 0x40000000
164 	};
165 
166 	if (rate == 44100)
167 		return 0x370A0000;
168 	for (i = 0; i < 8; i++)
169 		if (rate <= def_rate[i])
170 			return val[i];
171 	return val[0];
172 }
173 
174 /*
175  *  Hardware start management
176  */
177 
178 static void snd_ymfpci_hw_start(struct snd_ymfpci *chip)
179 {
180 	unsigned long flags;
181 
182 	spin_lock_irqsave(&chip->reg_lock, flags);
183 	if (chip->start_count++ > 0)
184 		goto __end;
185 	snd_ymfpci_writel(chip, YDSXGR_MODE,
186 			  snd_ymfpci_readl(chip, YDSXGR_MODE) | 3);
187 	chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
188       __end:
189       	spin_unlock_irqrestore(&chip->reg_lock, flags);
190 }
191 
192 static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip)
193 {
194 	unsigned long flags;
195 	long timeout = 1000;
196 
197 	spin_lock_irqsave(&chip->reg_lock, flags);
198 	if (--chip->start_count > 0)
199 		goto __end;
200 	snd_ymfpci_writel(chip, YDSXGR_MODE,
201 			  snd_ymfpci_readl(chip, YDSXGR_MODE) & ~3);
202 	while (timeout-- > 0) {
203 		if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
204 			break;
205 	}
206 	if (atomic_read(&chip->interrupt_sleep_count)) {
207 		atomic_set(&chip->interrupt_sleep_count, 0);
208 		wake_up(&chip->interrupt_sleep);
209 	}
210       __end:
211       	spin_unlock_irqrestore(&chip->reg_lock, flags);
212 }
213 
214 /*
215  *  Playback voice management
216  */
217 
218 static int voice_alloc(struct snd_ymfpci *chip,
219 		       enum snd_ymfpci_voice_type type, int pair,
220 		       struct snd_ymfpci_voice **rvoice)
221 {
222 	struct snd_ymfpci_voice *voice, *voice2;
223 	int idx;
224 
225 	*rvoice = NULL;
226 	for (idx = 0; idx < YDSXG_PLAYBACK_VOICES; idx += pair ? 2 : 1) {
227 		voice = &chip->voices[idx];
228 		voice2 = pair ? &chip->voices[idx+1] : NULL;
229 		if (voice->use || (voice2 && voice2->use))
230 			continue;
231 		voice->use = 1;
232 		if (voice2)
233 			voice2->use = 1;
234 		switch (type) {
235 		case YMFPCI_PCM:
236 			voice->pcm = 1;
237 			if (voice2)
238 				voice2->pcm = 1;
239 			break;
240 		case YMFPCI_SYNTH:
241 			voice->synth = 1;
242 			break;
243 		case YMFPCI_MIDI:
244 			voice->midi = 1;
245 			break;
246 		}
247 		snd_ymfpci_hw_start(chip);
248 		if (voice2)
249 			snd_ymfpci_hw_start(chip);
250 		*rvoice = voice;
251 		return 0;
252 	}
253 	return -ENOMEM;
254 }
255 
256 static int snd_ymfpci_voice_alloc(struct snd_ymfpci *chip,
257 				  enum snd_ymfpci_voice_type type, int pair,
258 				  struct snd_ymfpci_voice **rvoice)
259 {
260 	unsigned long flags;
261 	int result;
262 
263 	if (snd_BUG_ON(!rvoice))
264 		return -EINVAL;
265 	if (snd_BUG_ON(pair && type != YMFPCI_PCM))
266 		return -EINVAL;
267 
268 	spin_lock_irqsave(&chip->voice_lock, flags);
269 	for (;;) {
270 		result = voice_alloc(chip, type, pair, rvoice);
271 		if (result == 0 || type != YMFPCI_PCM)
272 			break;
273 		/* TODO: synth/midi voice deallocation */
274 		break;
275 	}
276 	spin_unlock_irqrestore(&chip->voice_lock, flags);
277 	return result;
278 }
279 
280 static int snd_ymfpci_voice_free(struct snd_ymfpci *chip, struct snd_ymfpci_voice *pvoice)
281 {
282 	unsigned long flags;
283 
284 	if (snd_BUG_ON(!pvoice))
285 		return -EINVAL;
286 	snd_ymfpci_hw_stop(chip);
287 	spin_lock_irqsave(&chip->voice_lock, flags);
288 	if (pvoice->number == chip->src441_used) {
289 		chip->src441_used = -1;
290 		pvoice->ypcm->use_441_slot = 0;
291 	}
292 	pvoice->use = pvoice->pcm = pvoice->synth = pvoice->midi = 0;
293 	pvoice->ypcm = NULL;
294 	pvoice->interrupt = NULL;
295 	spin_unlock_irqrestore(&chip->voice_lock, flags);
296 	return 0;
297 }
298 
299 /*
300  *  PCM part
301  */
302 
303 static void snd_ymfpci_pcm_interrupt(struct snd_ymfpci *chip, struct snd_ymfpci_voice *voice)
304 {
305 	struct snd_ymfpci_pcm *ypcm;
306 	u32 pos, delta;
307 
308 	if ((ypcm = voice->ypcm) == NULL)
309 		return;
310 	if (ypcm->substream == NULL)
311 		return;
312 	spin_lock(&chip->reg_lock);
313 	if (ypcm->running) {
314 		pos = le32_to_cpu(voice->bank[chip->active_bank].start);
315 		if (pos < ypcm->last_pos)
316 			delta = pos + (ypcm->buffer_size - ypcm->last_pos);
317 		else
318 			delta = pos - ypcm->last_pos;
319 		ypcm->period_pos += delta;
320 		ypcm->last_pos = pos;
321 		if (ypcm->period_pos >= ypcm->period_size) {
322 			/*
323 			printk(KERN_DEBUG
324 			       "done - active_bank = 0x%x, start = 0x%x\n",
325 			       chip->active_bank,
326 			       voice->bank[chip->active_bank].start);
327 			*/
328 			ypcm->period_pos %= ypcm->period_size;
329 			spin_unlock(&chip->reg_lock);
330 			snd_pcm_period_elapsed(ypcm->substream);
331 			spin_lock(&chip->reg_lock);
332 		}
333 
334 		if (unlikely(ypcm->update_pcm_vol)) {
335 			unsigned int subs = ypcm->substream->number;
336 			unsigned int next_bank = 1 - chip->active_bank;
337 			struct snd_ymfpci_playback_bank *bank;
338 			u32 volume;
339 
340 			bank = &voice->bank[next_bank];
341 			volume = cpu_to_le32(chip->pcm_mixer[subs].left << 15);
342 			bank->left_gain_end = volume;
343 			if (ypcm->output_rear)
344 				bank->eff2_gain_end = volume;
345 			if (ypcm->voices[1])
346 				bank = &ypcm->voices[1]->bank[next_bank];
347 			volume = cpu_to_le32(chip->pcm_mixer[subs].right << 15);
348 			bank->right_gain_end = volume;
349 			if (ypcm->output_rear)
350 				bank->eff3_gain_end = volume;
351 			ypcm->update_pcm_vol--;
352 		}
353 	}
354 	spin_unlock(&chip->reg_lock);
355 }
356 
357 static void snd_ymfpci_pcm_capture_interrupt(struct snd_pcm_substream *substream)
358 {
359 	struct snd_pcm_runtime *runtime = substream->runtime;
360 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
361 	struct snd_ymfpci *chip = ypcm->chip;
362 	u32 pos, delta;
363 
364 	spin_lock(&chip->reg_lock);
365 	if (ypcm->running) {
366 		pos = le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
367 		if (pos < ypcm->last_pos)
368 			delta = pos + (ypcm->buffer_size - ypcm->last_pos);
369 		else
370 			delta = pos - ypcm->last_pos;
371 		ypcm->period_pos += delta;
372 		ypcm->last_pos = pos;
373 		if (ypcm->period_pos >= ypcm->period_size) {
374 			ypcm->period_pos %= ypcm->period_size;
375 			/*
376 			printk(KERN_DEBUG
377 			       "done - active_bank = 0x%x, start = 0x%x\n",
378 			       chip->active_bank,
379 			       voice->bank[chip->active_bank].start);
380 			*/
381 			spin_unlock(&chip->reg_lock);
382 			snd_pcm_period_elapsed(substream);
383 			spin_lock(&chip->reg_lock);
384 		}
385 	}
386 	spin_unlock(&chip->reg_lock);
387 }
388 
389 static int snd_ymfpci_playback_trigger(struct snd_pcm_substream *substream,
390 				       int cmd)
391 {
392 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
393 	struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
394 	struct snd_kcontrol *kctl = NULL;
395 	int result = 0;
396 
397 	spin_lock(&chip->reg_lock);
398 	if (ypcm->voices[0] == NULL) {
399 		result = -EINVAL;
400 		goto __unlock;
401 	}
402 	switch (cmd) {
403 	case SNDRV_PCM_TRIGGER_START:
404 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
405 	case SNDRV_PCM_TRIGGER_RESUME:
406 		chip->ctrl_playback[ypcm->voices[0]->number + 1] = cpu_to_le32(ypcm->voices[0]->bank_addr);
407 		if (ypcm->voices[1] != NULL && !ypcm->use_441_slot)
408 			chip->ctrl_playback[ypcm->voices[1]->number + 1] = cpu_to_le32(ypcm->voices[1]->bank_addr);
409 		ypcm->running = 1;
410 		break;
411 	case SNDRV_PCM_TRIGGER_STOP:
412 		if (substream->pcm == chip->pcm && !ypcm->use_441_slot) {
413 			kctl = chip->pcm_mixer[substream->number].ctl;
414 			kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
415 		}
416 		/* fall through */
417 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
418 	case SNDRV_PCM_TRIGGER_SUSPEND:
419 		chip->ctrl_playback[ypcm->voices[0]->number + 1] = 0;
420 		if (ypcm->voices[1] != NULL && !ypcm->use_441_slot)
421 			chip->ctrl_playback[ypcm->voices[1]->number + 1] = 0;
422 		ypcm->running = 0;
423 		break;
424 	default:
425 		result = -EINVAL;
426 		break;
427 	}
428       __unlock:
429 	spin_unlock(&chip->reg_lock);
430 	if (kctl)
431 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
432 	return result;
433 }
434 static int snd_ymfpci_capture_trigger(struct snd_pcm_substream *substream,
435 				      int cmd)
436 {
437 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
438 	struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
439 	int result = 0;
440 	u32 tmp;
441 
442 	spin_lock(&chip->reg_lock);
443 	switch (cmd) {
444 	case SNDRV_PCM_TRIGGER_START:
445 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
446 	case SNDRV_PCM_TRIGGER_RESUME:
447 		tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) | (1 << ypcm->capture_bank_number);
448 		snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
449 		ypcm->running = 1;
450 		break;
451 	case SNDRV_PCM_TRIGGER_STOP:
452 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
453 	case SNDRV_PCM_TRIGGER_SUSPEND:
454 		tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) & ~(1 << ypcm->capture_bank_number);
455 		snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
456 		ypcm->running = 0;
457 		break;
458 	default:
459 		result = -EINVAL;
460 		break;
461 	}
462 	spin_unlock(&chip->reg_lock);
463 	return result;
464 }
465 
466 static int snd_ymfpci_pcm_voice_alloc(struct snd_ymfpci_pcm *ypcm, int voices)
467 {
468 	int err;
469 
470 	if (ypcm->voices[1] != NULL && voices < 2) {
471 		snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[1]);
472 		ypcm->voices[1] = NULL;
473 	}
474 	if (voices == 1 && ypcm->voices[0] != NULL)
475 		return 0;		/* already allocated */
476 	if (voices == 2 && ypcm->voices[0] != NULL && ypcm->voices[1] != NULL)
477 		return 0;		/* already allocated */
478 	if (voices > 1) {
479 		if (ypcm->voices[0] != NULL && ypcm->voices[1] == NULL) {
480 			snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[0]);
481 			ypcm->voices[0] = NULL;
482 		}
483 	}
484 	err = snd_ymfpci_voice_alloc(ypcm->chip, YMFPCI_PCM, voices > 1, &ypcm->voices[0]);
485 	if (err < 0)
486 		return err;
487 	ypcm->voices[0]->ypcm = ypcm;
488 	ypcm->voices[0]->interrupt = snd_ymfpci_pcm_interrupt;
489 	if (voices > 1) {
490 		ypcm->voices[1] = &ypcm->chip->voices[ypcm->voices[0]->number + 1];
491 		ypcm->voices[1]->ypcm = ypcm;
492 	}
493 	return 0;
494 }
495 
496 static void snd_ymfpci_pcm_init_voice(struct snd_ymfpci_pcm *ypcm, unsigned int voiceidx,
497 				      struct snd_pcm_runtime *runtime,
498 				      int has_pcm_volume)
499 {
500 	struct snd_ymfpci_voice *voice = ypcm->voices[voiceidx];
501 	u32 format;
502 	u32 delta = snd_ymfpci_calc_delta(runtime->rate);
503 	u32 lpfQ = snd_ymfpci_calc_lpfQ(runtime->rate);
504 	u32 lpfK = snd_ymfpci_calc_lpfK(runtime->rate);
505 	struct snd_ymfpci_playback_bank *bank;
506 	unsigned int nbank;
507 	u32 vol_left, vol_right;
508 	u8 use_left, use_right;
509 	unsigned long flags;
510 
511 	if (snd_BUG_ON(!voice))
512 		return;
513 	if (runtime->channels == 1) {
514 		use_left = 1;
515 		use_right = 1;
516 	} else {
517 		use_left = (voiceidx & 1) == 0;
518 		use_right = !use_left;
519 	}
520 	if (has_pcm_volume) {
521 		vol_left = cpu_to_le32(ypcm->chip->pcm_mixer
522 				       [ypcm->substream->number].left << 15);
523 		vol_right = cpu_to_le32(ypcm->chip->pcm_mixer
524 					[ypcm->substream->number].right << 15);
525 	} else {
526 		vol_left = cpu_to_le32(0x40000000);
527 		vol_right = cpu_to_le32(0x40000000);
528 	}
529 	spin_lock_irqsave(&ypcm->chip->voice_lock, flags);
530 	format = runtime->channels == 2 ? 0x00010000 : 0;
531 	if (snd_pcm_format_width(runtime->format) == 8)
532 		format |= 0x80000000;
533 	else if (ypcm->chip->device_id == PCI_DEVICE_ID_YAMAHA_754 &&
534 		 runtime->rate == 44100 && runtime->channels == 2 &&
535 		 voiceidx == 0 && (ypcm->chip->src441_used == -1 ||
536 				   ypcm->chip->src441_used == voice->number)) {
537 		ypcm->chip->src441_used = voice->number;
538 		ypcm->use_441_slot = 1;
539 		format |= 0x10000000;
540 	}
541 	if (ypcm->chip->src441_used == voice->number &&
542 	    (format & 0x10000000) == 0) {
543 		ypcm->chip->src441_used = -1;
544 		ypcm->use_441_slot = 0;
545 	}
546 	if (runtime->channels == 2 && (voiceidx & 1) != 0)
547 		format |= 1;
548 	spin_unlock_irqrestore(&ypcm->chip->voice_lock, flags);
549 	for (nbank = 0; nbank < 2; nbank++) {
550 		bank = &voice->bank[nbank];
551 		memset(bank, 0, sizeof(*bank));
552 		bank->format = cpu_to_le32(format);
553 		bank->base = cpu_to_le32(runtime->dma_addr);
554 		bank->loop_end = cpu_to_le32(ypcm->buffer_size);
555 		bank->lpfQ = cpu_to_le32(lpfQ);
556 		bank->delta =
557 		bank->delta_end = cpu_to_le32(delta);
558 		bank->lpfK =
559 		bank->lpfK_end = cpu_to_le32(lpfK);
560 		bank->eg_gain =
561 		bank->eg_gain_end = cpu_to_le32(0x40000000);
562 
563 		if (ypcm->output_front) {
564 			if (use_left) {
565 				bank->left_gain =
566 				bank->left_gain_end = vol_left;
567 			}
568 			if (use_right) {
569 				bank->right_gain =
570 				bank->right_gain_end = vol_right;
571 			}
572 		}
573 		if (ypcm->output_rear) {
574 		        if (!ypcm->swap_rear) {
575         			if (use_left) {
576         				bank->eff2_gain =
577         				bank->eff2_gain_end = vol_left;
578         			}
579         			if (use_right) {
580         				bank->eff3_gain =
581         				bank->eff3_gain_end = vol_right;
582         			}
583 		        } else {
584         			/* The SPDIF out channels seem to be swapped, so we have
585         			 * to swap them here, too.  The rear analog out channels
586         			 * will be wrong, but otherwise AC3 would not work.
587         			 */
588         			if (use_left) {
589         				bank->eff3_gain =
590         				bank->eff3_gain_end = vol_left;
591         			}
592         			if (use_right) {
593         				bank->eff2_gain =
594         				bank->eff2_gain_end = vol_right;
595         			}
596         		}
597                 }
598 	}
599 }
600 
601 static int __devinit snd_ymfpci_ac3_init(struct snd_ymfpci *chip)
602 {
603 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
604 				4096, &chip->ac3_tmp_base) < 0)
605 		return -ENOMEM;
606 
607 	chip->bank_effect[3][0]->base =
608 	chip->bank_effect[3][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr);
609 	chip->bank_effect[3][0]->loop_end =
610 	chip->bank_effect[3][1]->loop_end = cpu_to_le32(1024);
611 	chip->bank_effect[4][0]->base =
612 	chip->bank_effect[4][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr + 2048);
613 	chip->bank_effect[4][0]->loop_end =
614 	chip->bank_effect[4][1]->loop_end = cpu_to_le32(1024);
615 
616 	spin_lock_irq(&chip->reg_lock);
617 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
618 			  snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) | 3 << 3);
619 	spin_unlock_irq(&chip->reg_lock);
620 	return 0;
621 }
622 
623 static int snd_ymfpci_ac3_done(struct snd_ymfpci *chip)
624 {
625 	spin_lock_irq(&chip->reg_lock);
626 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
627 			  snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) & ~(3 << 3));
628 	spin_unlock_irq(&chip->reg_lock);
629 	// snd_ymfpci_irq_wait(chip);
630 	if (chip->ac3_tmp_base.area) {
631 		snd_dma_free_pages(&chip->ac3_tmp_base);
632 		chip->ac3_tmp_base.area = NULL;
633 	}
634 	return 0;
635 }
636 
637 static int snd_ymfpci_playback_hw_params(struct snd_pcm_substream *substream,
638 					 struct snd_pcm_hw_params *hw_params)
639 {
640 	struct snd_pcm_runtime *runtime = substream->runtime;
641 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
642 	int err;
643 
644 	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
645 		return err;
646 	if ((err = snd_ymfpci_pcm_voice_alloc(ypcm, params_channels(hw_params))) < 0)
647 		return err;
648 	return 0;
649 }
650 
651 static int snd_ymfpci_playback_hw_free(struct snd_pcm_substream *substream)
652 {
653 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
654 	struct snd_pcm_runtime *runtime = substream->runtime;
655 	struct snd_ymfpci_pcm *ypcm;
656 
657 	if (runtime->private_data == NULL)
658 		return 0;
659 	ypcm = runtime->private_data;
660 
661 	/* wait, until the PCI operations are not finished */
662 	snd_ymfpci_irq_wait(chip);
663 	snd_pcm_lib_free_pages(substream);
664 	if (ypcm->voices[1]) {
665 		snd_ymfpci_voice_free(chip, ypcm->voices[1]);
666 		ypcm->voices[1] = NULL;
667 	}
668 	if (ypcm->voices[0]) {
669 		snd_ymfpci_voice_free(chip, ypcm->voices[0]);
670 		ypcm->voices[0] = NULL;
671 	}
672 	return 0;
673 }
674 
675 static int snd_ymfpci_playback_prepare(struct snd_pcm_substream *substream)
676 {
677 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
678 	struct snd_pcm_runtime *runtime = substream->runtime;
679 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
680 	struct snd_kcontrol *kctl;
681 	unsigned int nvoice;
682 
683 	ypcm->period_size = runtime->period_size;
684 	ypcm->buffer_size = runtime->buffer_size;
685 	ypcm->period_pos = 0;
686 	ypcm->last_pos = 0;
687 	for (nvoice = 0; nvoice < runtime->channels; nvoice++)
688 		snd_ymfpci_pcm_init_voice(ypcm, nvoice, runtime,
689 					  substream->pcm == chip->pcm);
690 
691 	if (substream->pcm == chip->pcm && !ypcm->use_441_slot) {
692 		kctl = chip->pcm_mixer[substream->number].ctl;
693 		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
694 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
695 	}
696 	return 0;
697 }
698 
699 static int snd_ymfpci_capture_hw_params(struct snd_pcm_substream *substream,
700 					struct snd_pcm_hw_params *hw_params)
701 {
702 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
703 }
704 
705 static int snd_ymfpci_capture_hw_free(struct snd_pcm_substream *substream)
706 {
707 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
708 
709 	/* wait, until the PCI operations are not finished */
710 	snd_ymfpci_irq_wait(chip);
711 	return snd_pcm_lib_free_pages(substream);
712 }
713 
714 static int snd_ymfpci_capture_prepare(struct snd_pcm_substream *substream)
715 {
716 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
717 	struct snd_pcm_runtime *runtime = substream->runtime;
718 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
719 	struct snd_ymfpci_capture_bank * bank;
720 	int nbank;
721 	u32 rate, format;
722 
723 	ypcm->period_size = runtime->period_size;
724 	ypcm->buffer_size = runtime->buffer_size;
725 	ypcm->period_pos = 0;
726 	ypcm->last_pos = 0;
727 	ypcm->shift = 0;
728 	rate = ((48000 * 4096) / runtime->rate) - 1;
729 	format = 0;
730 	if (runtime->channels == 2) {
731 		format |= 2;
732 		ypcm->shift++;
733 	}
734 	if (snd_pcm_format_width(runtime->format) == 8)
735 		format |= 1;
736 	else
737 		ypcm->shift++;
738 	switch (ypcm->capture_bank_number) {
739 	case 0:
740 		snd_ymfpci_writel(chip, YDSXGR_RECFORMAT, format);
741 		snd_ymfpci_writel(chip, YDSXGR_RECSLOTSR, rate);
742 		break;
743 	case 1:
744 		snd_ymfpci_writel(chip, YDSXGR_ADCFORMAT, format);
745 		snd_ymfpci_writel(chip, YDSXGR_ADCSLOTSR, rate);
746 		break;
747 	}
748 	for (nbank = 0; nbank < 2; nbank++) {
749 		bank = chip->bank_capture[ypcm->capture_bank_number][nbank];
750 		bank->base = cpu_to_le32(runtime->dma_addr);
751 		bank->loop_end = cpu_to_le32(ypcm->buffer_size << ypcm->shift);
752 		bank->start = 0;
753 		bank->num_of_loops = 0;
754 	}
755 	return 0;
756 }
757 
758 static snd_pcm_uframes_t snd_ymfpci_playback_pointer(struct snd_pcm_substream *substream)
759 {
760 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
761 	struct snd_pcm_runtime *runtime = substream->runtime;
762 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
763 	struct snd_ymfpci_voice *voice = ypcm->voices[0];
764 
765 	if (!(ypcm->running && voice))
766 		return 0;
767 	return le32_to_cpu(voice->bank[chip->active_bank].start);
768 }
769 
770 static snd_pcm_uframes_t snd_ymfpci_capture_pointer(struct snd_pcm_substream *substream)
771 {
772 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
773 	struct snd_pcm_runtime *runtime = substream->runtime;
774 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
775 
776 	if (!ypcm->running)
777 		return 0;
778 	return le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
779 }
780 
781 static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip)
782 {
783 	wait_queue_t wait;
784 	int loops = 4;
785 
786 	while (loops-- > 0) {
787 		if ((snd_ymfpci_readl(chip, YDSXGR_MODE) & 3) == 0)
788 		 	continue;
789 		init_waitqueue_entry(&wait, current);
790 		add_wait_queue(&chip->interrupt_sleep, &wait);
791 		atomic_inc(&chip->interrupt_sleep_count);
792 		schedule_timeout_uninterruptible(msecs_to_jiffies(50));
793 		remove_wait_queue(&chip->interrupt_sleep, &wait);
794 	}
795 }
796 
797 static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
798 {
799 	struct snd_ymfpci *chip = dev_id;
800 	u32 status, nvoice, mode;
801 	struct snd_ymfpci_voice *voice;
802 
803 	status = snd_ymfpci_readl(chip, YDSXGR_STATUS);
804 	if (status & 0x80000000) {
805 		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
806 		spin_lock(&chip->voice_lock);
807 		for (nvoice = 0; nvoice < YDSXG_PLAYBACK_VOICES; nvoice++) {
808 			voice = &chip->voices[nvoice];
809 			if (voice->interrupt)
810 				voice->interrupt(chip, voice);
811 		}
812 		for (nvoice = 0; nvoice < YDSXG_CAPTURE_VOICES; nvoice++) {
813 			if (chip->capture_substream[nvoice])
814 				snd_ymfpci_pcm_capture_interrupt(chip->capture_substream[nvoice]);
815 		}
816 #if 0
817 		for (nvoice = 0; nvoice < YDSXG_EFFECT_VOICES; nvoice++) {
818 			if (chip->effect_substream[nvoice])
819 				snd_ymfpci_pcm_effect_interrupt(chip->effect_substream[nvoice]);
820 		}
821 #endif
822 		spin_unlock(&chip->voice_lock);
823 		spin_lock(&chip->reg_lock);
824 		snd_ymfpci_writel(chip, YDSXGR_STATUS, 0x80000000);
825 		mode = snd_ymfpci_readl(chip, YDSXGR_MODE) | 2;
826 		snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
827 		spin_unlock(&chip->reg_lock);
828 
829 		if (atomic_read(&chip->interrupt_sleep_count)) {
830 			atomic_set(&chip->interrupt_sleep_count, 0);
831 			wake_up(&chip->interrupt_sleep);
832 		}
833 	}
834 
835 	status = snd_ymfpci_readw(chip, YDSXGR_INTFLAG);
836 	if (status & 1) {
837 		if (chip->timer)
838 			snd_timer_interrupt(chip->timer, chip->timer_ticks);
839 	}
840 	snd_ymfpci_writew(chip, YDSXGR_INTFLAG, status);
841 
842 	if (chip->rawmidi)
843 		snd_mpu401_uart_interrupt(irq, chip->rawmidi->private_data);
844 	return IRQ_HANDLED;
845 }
846 
847 static struct snd_pcm_hardware snd_ymfpci_playback =
848 {
849 	.info =			(SNDRV_PCM_INFO_MMAP |
850 				 SNDRV_PCM_INFO_MMAP_VALID |
851 				 SNDRV_PCM_INFO_INTERLEAVED |
852 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
853 				 SNDRV_PCM_INFO_PAUSE |
854 				 SNDRV_PCM_INFO_RESUME),
855 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
856 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
857 	.rate_min =		8000,
858 	.rate_max =		48000,
859 	.channels_min =		1,
860 	.channels_max =		2,
861 	.buffer_bytes_max =	256 * 1024, /* FIXME: enough? */
862 	.period_bytes_min =	64,
863 	.period_bytes_max =	256 * 1024, /* FIXME: enough? */
864 	.periods_min =		3,
865 	.periods_max =		1024,
866 	.fifo_size =		0,
867 };
868 
869 static struct snd_pcm_hardware snd_ymfpci_capture =
870 {
871 	.info =			(SNDRV_PCM_INFO_MMAP |
872 				 SNDRV_PCM_INFO_MMAP_VALID |
873 				 SNDRV_PCM_INFO_INTERLEAVED |
874 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
875 				 SNDRV_PCM_INFO_PAUSE |
876 				 SNDRV_PCM_INFO_RESUME),
877 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
878 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
879 	.rate_min =		8000,
880 	.rate_max =		48000,
881 	.channels_min =		1,
882 	.channels_max =		2,
883 	.buffer_bytes_max =	256 * 1024, /* FIXME: enough? */
884 	.period_bytes_min =	64,
885 	.period_bytes_max =	256 * 1024, /* FIXME: enough? */
886 	.periods_min =		3,
887 	.periods_max =		1024,
888 	.fifo_size =		0,
889 };
890 
891 static void snd_ymfpci_pcm_free_substream(struct snd_pcm_runtime *runtime)
892 {
893 	kfree(runtime->private_data);
894 }
895 
896 static int snd_ymfpci_playback_open_1(struct snd_pcm_substream *substream)
897 {
898 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
899 	struct snd_pcm_runtime *runtime = substream->runtime;
900 	struct snd_ymfpci_pcm *ypcm;
901 	int err;
902 
903 	runtime->hw = snd_ymfpci_playback;
904 	/* FIXME? True value is 256/48 = 5.33333 ms */
905 	err = snd_pcm_hw_constraint_minmax(runtime,
906 					   SNDRV_PCM_HW_PARAM_PERIOD_TIME,
907 					   5334, UINT_MAX);
908 	if (err < 0)
909 		return err;
910 	err = snd_pcm_hw_rule_noresample(runtime, 48000);
911 	if (err < 0)
912 		return err;
913 
914 	ypcm = kzalloc(sizeof(*ypcm), GFP_KERNEL);
915 	if (ypcm == NULL)
916 		return -ENOMEM;
917 	ypcm->chip = chip;
918 	ypcm->type = PLAYBACK_VOICE;
919 	ypcm->substream = substream;
920 	runtime->private_data = ypcm;
921 	runtime->private_free = snd_ymfpci_pcm_free_substream;
922 	return 0;
923 }
924 
925 /* call with spinlock held */
926 static void ymfpci_open_extension(struct snd_ymfpci *chip)
927 {
928 	if (! chip->rear_opened) {
929 		if (! chip->spdif_opened) /* set AC3 */
930 			snd_ymfpci_writel(chip, YDSXGR_MODE,
931 					  snd_ymfpci_readl(chip, YDSXGR_MODE) | (1 << 30));
932 		/* enable second codec (4CHEN) */
933 		snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
934 				  (snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) | 0x0010);
935 	}
936 }
937 
938 /* call with spinlock held */
939 static void ymfpci_close_extension(struct snd_ymfpci *chip)
940 {
941 	if (! chip->rear_opened) {
942 		if (! chip->spdif_opened)
943 			snd_ymfpci_writel(chip, YDSXGR_MODE,
944 					  snd_ymfpci_readl(chip, YDSXGR_MODE) & ~(1 << 30));
945 		snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
946 				  (snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) & ~0x0010);
947 	}
948 }
949 
950 static int snd_ymfpci_playback_open(struct snd_pcm_substream *substream)
951 {
952 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
953 	struct snd_pcm_runtime *runtime = substream->runtime;
954 	struct snd_ymfpci_pcm *ypcm;
955 	int err;
956 
957 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
958 		return err;
959 	ypcm = runtime->private_data;
960 	ypcm->output_front = 1;
961 	ypcm->output_rear = chip->mode_dup4ch ? 1 : 0;
962 	ypcm->swap_rear = 0;
963 	spin_lock_irq(&chip->reg_lock);
964 	if (ypcm->output_rear) {
965 		ymfpci_open_extension(chip);
966 		chip->rear_opened++;
967 	}
968 	spin_unlock_irq(&chip->reg_lock);
969 	return 0;
970 }
971 
972 static int snd_ymfpci_playback_spdif_open(struct snd_pcm_substream *substream)
973 {
974 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
975 	struct snd_pcm_runtime *runtime = substream->runtime;
976 	struct snd_ymfpci_pcm *ypcm;
977 	int err;
978 
979 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
980 		return err;
981 	ypcm = runtime->private_data;
982 	ypcm->output_front = 0;
983 	ypcm->output_rear = 1;
984 	ypcm->swap_rear = 1;
985 	spin_lock_irq(&chip->reg_lock);
986 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
987 			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) | 2);
988 	ymfpci_open_extension(chip);
989 	chip->spdif_pcm_bits = chip->spdif_bits;
990 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
991 	chip->spdif_opened++;
992 	spin_unlock_irq(&chip->reg_lock);
993 
994 	chip->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
995 	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
996 		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
997 	return 0;
998 }
999 
1000 static int snd_ymfpci_playback_4ch_open(struct snd_pcm_substream *substream)
1001 {
1002 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1003 	struct snd_pcm_runtime *runtime = substream->runtime;
1004 	struct snd_ymfpci_pcm *ypcm;
1005 	int err;
1006 
1007 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
1008 		return err;
1009 	ypcm = runtime->private_data;
1010 	ypcm->output_front = 0;
1011 	ypcm->output_rear = 1;
1012 	ypcm->swap_rear = 0;
1013 	spin_lock_irq(&chip->reg_lock);
1014 	ymfpci_open_extension(chip);
1015 	chip->rear_opened++;
1016 	spin_unlock_irq(&chip->reg_lock);
1017 	return 0;
1018 }
1019 
1020 static int snd_ymfpci_capture_open(struct snd_pcm_substream *substream,
1021 				   u32 capture_bank_number)
1022 {
1023 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1024 	struct snd_pcm_runtime *runtime = substream->runtime;
1025 	struct snd_ymfpci_pcm *ypcm;
1026 	int err;
1027 
1028 	runtime->hw = snd_ymfpci_capture;
1029 	/* FIXME? True value is 256/48 = 5.33333 ms */
1030 	err = snd_pcm_hw_constraint_minmax(runtime,
1031 					   SNDRV_PCM_HW_PARAM_PERIOD_TIME,
1032 					   5334, UINT_MAX);
1033 	if (err < 0)
1034 		return err;
1035 	err = snd_pcm_hw_rule_noresample(runtime, 48000);
1036 	if (err < 0)
1037 		return err;
1038 
1039 	ypcm = kzalloc(sizeof(*ypcm), GFP_KERNEL);
1040 	if (ypcm == NULL)
1041 		return -ENOMEM;
1042 	ypcm->chip = chip;
1043 	ypcm->type = capture_bank_number + CAPTURE_REC;
1044 	ypcm->substream = substream;
1045 	ypcm->capture_bank_number = capture_bank_number;
1046 	chip->capture_substream[capture_bank_number] = substream;
1047 	runtime->private_data = ypcm;
1048 	runtime->private_free = snd_ymfpci_pcm_free_substream;
1049 	snd_ymfpci_hw_start(chip);
1050 	return 0;
1051 }
1052 
1053 static int snd_ymfpci_capture_rec_open(struct snd_pcm_substream *substream)
1054 {
1055 	return snd_ymfpci_capture_open(substream, 0);
1056 }
1057 
1058 static int snd_ymfpci_capture_ac97_open(struct snd_pcm_substream *substream)
1059 {
1060 	return snd_ymfpci_capture_open(substream, 1);
1061 }
1062 
1063 static int snd_ymfpci_playback_close_1(struct snd_pcm_substream *substream)
1064 {
1065 	return 0;
1066 }
1067 
1068 static int snd_ymfpci_playback_close(struct snd_pcm_substream *substream)
1069 {
1070 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1071 	struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
1072 
1073 	spin_lock_irq(&chip->reg_lock);
1074 	if (ypcm->output_rear && chip->rear_opened > 0) {
1075 		chip->rear_opened--;
1076 		ymfpci_close_extension(chip);
1077 	}
1078 	spin_unlock_irq(&chip->reg_lock);
1079 	return snd_ymfpci_playback_close_1(substream);
1080 }
1081 
1082 static int snd_ymfpci_playback_spdif_close(struct snd_pcm_substream *substream)
1083 {
1084 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1085 
1086 	spin_lock_irq(&chip->reg_lock);
1087 	chip->spdif_opened = 0;
1088 	ymfpci_close_extension(chip);
1089 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
1090 			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & ~2);
1091 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
1092 	spin_unlock_irq(&chip->reg_lock);
1093 	chip->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1094 	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
1095 		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
1096 	return snd_ymfpci_playback_close_1(substream);
1097 }
1098 
1099 static int snd_ymfpci_playback_4ch_close(struct snd_pcm_substream *substream)
1100 {
1101 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1102 
1103 	spin_lock_irq(&chip->reg_lock);
1104 	if (chip->rear_opened > 0) {
1105 		chip->rear_opened--;
1106 		ymfpci_close_extension(chip);
1107 	}
1108 	spin_unlock_irq(&chip->reg_lock);
1109 	return snd_ymfpci_playback_close_1(substream);
1110 }
1111 
1112 static int snd_ymfpci_capture_close(struct snd_pcm_substream *substream)
1113 {
1114 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1115 	struct snd_pcm_runtime *runtime = substream->runtime;
1116 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
1117 
1118 	if (ypcm != NULL) {
1119 		chip->capture_substream[ypcm->capture_bank_number] = NULL;
1120 		snd_ymfpci_hw_stop(chip);
1121 	}
1122 	return 0;
1123 }
1124 
1125 static struct snd_pcm_ops snd_ymfpci_playback_ops = {
1126 	.open =			snd_ymfpci_playback_open,
1127 	.close =		snd_ymfpci_playback_close,
1128 	.ioctl =		snd_pcm_lib_ioctl,
1129 	.hw_params =		snd_ymfpci_playback_hw_params,
1130 	.hw_free =		snd_ymfpci_playback_hw_free,
1131 	.prepare =		snd_ymfpci_playback_prepare,
1132 	.trigger =		snd_ymfpci_playback_trigger,
1133 	.pointer =		snd_ymfpci_playback_pointer,
1134 };
1135 
1136 static struct snd_pcm_ops snd_ymfpci_capture_rec_ops = {
1137 	.open =			snd_ymfpci_capture_rec_open,
1138 	.close =		snd_ymfpci_capture_close,
1139 	.ioctl =		snd_pcm_lib_ioctl,
1140 	.hw_params =		snd_ymfpci_capture_hw_params,
1141 	.hw_free =		snd_ymfpci_capture_hw_free,
1142 	.prepare =		snd_ymfpci_capture_prepare,
1143 	.trigger =		snd_ymfpci_capture_trigger,
1144 	.pointer =		snd_ymfpci_capture_pointer,
1145 };
1146 
1147 int __devinit snd_ymfpci_pcm(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1148 {
1149 	struct snd_pcm *pcm;
1150 	int err;
1151 
1152 	if (rpcm)
1153 		*rpcm = NULL;
1154 	if ((err = snd_pcm_new(chip->card, "YMFPCI", device, 32, 1, &pcm)) < 0)
1155 		return err;
1156 	pcm->private_data = chip;
1157 
1158 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_ops);
1159 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_rec_ops);
1160 
1161 	/* global setup */
1162 	pcm->info_flags = 0;
1163 	strcpy(pcm->name, "YMFPCI");
1164 	chip->pcm = pcm;
1165 
1166 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1167 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1168 
1169 	if (rpcm)
1170 		*rpcm = pcm;
1171 	return 0;
1172 }
1173 
1174 static struct snd_pcm_ops snd_ymfpci_capture_ac97_ops = {
1175 	.open =			snd_ymfpci_capture_ac97_open,
1176 	.close =		snd_ymfpci_capture_close,
1177 	.ioctl =		snd_pcm_lib_ioctl,
1178 	.hw_params =		snd_ymfpci_capture_hw_params,
1179 	.hw_free =		snd_ymfpci_capture_hw_free,
1180 	.prepare =		snd_ymfpci_capture_prepare,
1181 	.trigger =		snd_ymfpci_capture_trigger,
1182 	.pointer =		snd_ymfpci_capture_pointer,
1183 };
1184 
1185 int __devinit snd_ymfpci_pcm2(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1186 {
1187 	struct snd_pcm *pcm;
1188 	int err;
1189 
1190 	if (rpcm)
1191 		*rpcm = NULL;
1192 	if ((err = snd_pcm_new(chip->card, "YMFPCI - PCM2", device, 0, 1, &pcm)) < 0)
1193 		return err;
1194 	pcm->private_data = chip;
1195 
1196 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_ac97_ops);
1197 
1198 	/* global setup */
1199 	pcm->info_flags = 0;
1200 	sprintf(pcm->name, "YMFPCI - %s",
1201 		chip->device_id == PCI_DEVICE_ID_YAMAHA_754 ? "Direct Recording" : "AC'97");
1202 	chip->pcm2 = pcm;
1203 
1204 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1205 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1206 
1207 	if (rpcm)
1208 		*rpcm = pcm;
1209 	return 0;
1210 }
1211 
1212 static struct snd_pcm_ops snd_ymfpci_playback_spdif_ops = {
1213 	.open =			snd_ymfpci_playback_spdif_open,
1214 	.close =		snd_ymfpci_playback_spdif_close,
1215 	.ioctl =		snd_pcm_lib_ioctl,
1216 	.hw_params =		snd_ymfpci_playback_hw_params,
1217 	.hw_free =		snd_ymfpci_playback_hw_free,
1218 	.prepare =		snd_ymfpci_playback_prepare,
1219 	.trigger =		snd_ymfpci_playback_trigger,
1220 	.pointer =		snd_ymfpci_playback_pointer,
1221 };
1222 
1223 int __devinit snd_ymfpci_pcm_spdif(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1224 {
1225 	struct snd_pcm *pcm;
1226 	int err;
1227 
1228 	if (rpcm)
1229 		*rpcm = NULL;
1230 	if ((err = snd_pcm_new(chip->card, "YMFPCI - IEC958", device, 1, 0, &pcm)) < 0)
1231 		return err;
1232 	pcm->private_data = chip;
1233 
1234 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_spdif_ops);
1235 
1236 	/* global setup */
1237 	pcm->info_flags = 0;
1238 	strcpy(pcm->name, "YMFPCI - IEC958");
1239 	chip->pcm_spdif = pcm;
1240 
1241 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1242 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1243 
1244 	if (rpcm)
1245 		*rpcm = pcm;
1246 	return 0;
1247 }
1248 
1249 static struct snd_pcm_ops snd_ymfpci_playback_4ch_ops = {
1250 	.open =			snd_ymfpci_playback_4ch_open,
1251 	.close =		snd_ymfpci_playback_4ch_close,
1252 	.ioctl =		snd_pcm_lib_ioctl,
1253 	.hw_params =		snd_ymfpci_playback_hw_params,
1254 	.hw_free =		snd_ymfpci_playback_hw_free,
1255 	.prepare =		snd_ymfpci_playback_prepare,
1256 	.trigger =		snd_ymfpci_playback_trigger,
1257 	.pointer =		snd_ymfpci_playback_pointer,
1258 };
1259 
1260 int __devinit snd_ymfpci_pcm_4ch(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1261 {
1262 	struct snd_pcm *pcm;
1263 	int err;
1264 
1265 	if (rpcm)
1266 		*rpcm = NULL;
1267 	if ((err = snd_pcm_new(chip->card, "YMFPCI - Rear", device, 1, 0, &pcm)) < 0)
1268 		return err;
1269 	pcm->private_data = chip;
1270 
1271 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_4ch_ops);
1272 
1273 	/* global setup */
1274 	pcm->info_flags = 0;
1275 	strcpy(pcm->name, "YMFPCI - Rear PCM");
1276 	chip->pcm_4ch = pcm;
1277 
1278 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1279 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1280 
1281 	if (rpcm)
1282 		*rpcm = pcm;
1283 	return 0;
1284 }
1285 
1286 static int snd_ymfpci_spdif_default_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1287 {
1288 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1289 	uinfo->count = 1;
1290 	return 0;
1291 }
1292 
1293 static int snd_ymfpci_spdif_default_get(struct snd_kcontrol *kcontrol,
1294 					struct snd_ctl_elem_value *ucontrol)
1295 {
1296 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1297 
1298 	spin_lock_irq(&chip->reg_lock);
1299 	ucontrol->value.iec958.status[0] = (chip->spdif_bits >> 0) & 0xff;
1300 	ucontrol->value.iec958.status[1] = (chip->spdif_bits >> 8) & 0xff;
1301 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000;
1302 	spin_unlock_irq(&chip->reg_lock);
1303 	return 0;
1304 }
1305 
1306 static int snd_ymfpci_spdif_default_put(struct snd_kcontrol *kcontrol,
1307 					 struct snd_ctl_elem_value *ucontrol)
1308 {
1309 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1310 	unsigned int val;
1311 	int change;
1312 
1313 	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
1314 	      (ucontrol->value.iec958.status[1] << 8);
1315 	spin_lock_irq(&chip->reg_lock);
1316 	change = chip->spdif_bits != val;
1317 	chip->spdif_bits = val;
1318 	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 1) && chip->pcm_spdif == NULL)
1319 		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
1320 	spin_unlock_irq(&chip->reg_lock);
1321 	return change;
1322 }
1323 
1324 static struct snd_kcontrol_new snd_ymfpci_spdif_default __devinitdata =
1325 {
1326 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1327 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1328 	.info =		snd_ymfpci_spdif_default_info,
1329 	.get =		snd_ymfpci_spdif_default_get,
1330 	.put =		snd_ymfpci_spdif_default_put
1331 };
1332 
1333 static int snd_ymfpci_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1334 {
1335 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1336 	uinfo->count = 1;
1337 	return 0;
1338 }
1339 
1340 static int snd_ymfpci_spdif_mask_get(struct snd_kcontrol *kcontrol,
1341 				      struct snd_ctl_elem_value *ucontrol)
1342 {
1343 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1344 
1345 	spin_lock_irq(&chip->reg_lock);
1346 	ucontrol->value.iec958.status[0] = 0x3e;
1347 	ucontrol->value.iec958.status[1] = 0xff;
1348 	spin_unlock_irq(&chip->reg_lock);
1349 	return 0;
1350 }
1351 
1352 static struct snd_kcontrol_new snd_ymfpci_spdif_mask __devinitdata =
1353 {
1354 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1355 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1356 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1357 	.info =		snd_ymfpci_spdif_mask_info,
1358 	.get =		snd_ymfpci_spdif_mask_get,
1359 };
1360 
1361 static int snd_ymfpci_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1362 {
1363 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1364 	uinfo->count = 1;
1365 	return 0;
1366 }
1367 
1368 static int snd_ymfpci_spdif_stream_get(struct snd_kcontrol *kcontrol,
1369 					struct snd_ctl_elem_value *ucontrol)
1370 {
1371 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1372 
1373 	spin_lock_irq(&chip->reg_lock);
1374 	ucontrol->value.iec958.status[0] = (chip->spdif_pcm_bits >> 0) & 0xff;
1375 	ucontrol->value.iec958.status[1] = (chip->spdif_pcm_bits >> 8) & 0xff;
1376 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000;
1377 	spin_unlock_irq(&chip->reg_lock);
1378 	return 0;
1379 }
1380 
1381 static int snd_ymfpci_spdif_stream_put(struct snd_kcontrol *kcontrol,
1382 					struct snd_ctl_elem_value *ucontrol)
1383 {
1384 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1385 	unsigned int val;
1386 	int change;
1387 
1388 	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
1389 	      (ucontrol->value.iec958.status[1] << 8);
1390 	spin_lock_irq(&chip->reg_lock);
1391 	change = chip->spdif_pcm_bits != val;
1392 	chip->spdif_pcm_bits = val;
1393 	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 2))
1394 		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
1395 	spin_unlock_irq(&chip->reg_lock);
1396 	return change;
1397 }
1398 
1399 static struct snd_kcontrol_new snd_ymfpci_spdif_stream __devinitdata =
1400 {
1401 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1402 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1403 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1404 	.info =		snd_ymfpci_spdif_stream_info,
1405 	.get =		snd_ymfpci_spdif_stream_get,
1406 	.put =		snd_ymfpci_spdif_stream_put
1407 };
1408 
1409 static int snd_ymfpci_drec_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *info)
1410 {
1411 	static const char *const texts[3] = {"AC'97", "IEC958", "ZV Port"};
1412 
1413 	return snd_ctl_enum_info(info, 1, 3, texts);
1414 }
1415 
1416 static int snd_ymfpci_drec_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *value)
1417 {
1418 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1419 	u16 reg;
1420 
1421 	spin_lock_irq(&chip->reg_lock);
1422 	reg = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1423 	spin_unlock_irq(&chip->reg_lock);
1424 	if (!(reg & 0x100))
1425 		value->value.enumerated.item[0] = 0;
1426 	else
1427 		value->value.enumerated.item[0] = 1 + ((reg & 0x200) != 0);
1428 	return 0;
1429 }
1430 
1431 static int snd_ymfpci_drec_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *value)
1432 {
1433 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1434 	u16 reg, old_reg;
1435 
1436 	spin_lock_irq(&chip->reg_lock);
1437 	old_reg = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1438 	if (value->value.enumerated.item[0] == 0)
1439 		reg = old_reg & ~0x100;
1440 	else
1441 		reg = (old_reg & ~0x300) | 0x100 | ((value->value.enumerated.item[0] == 2) << 9);
1442 	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, reg);
1443 	spin_unlock_irq(&chip->reg_lock);
1444 	return reg != old_reg;
1445 }
1446 
1447 static struct snd_kcontrol_new snd_ymfpci_drec_source __devinitdata = {
1448 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE,
1449 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1450 	.name =		"Direct Recording Source",
1451 	.info =		snd_ymfpci_drec_source_info,
1452 	.get =		snd_ymfpci_drec_source_get,
1453 	.put =		snd_ymfpci_drec_source_put
1454 };
1455 
1456 /*
1457  *  Mixer controls
1458  */
1459 
1460 #define YMFPCI_SINGLE(xname, xindex, reg, shift) \
1461 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1462   .info = snd_ymfpci_info_single, \
1463   .get = snd_ymfpci_get_single, .put = snd_ymfpci_put_single, \
1464   .private_value = ((reg) | ((shift) << 16)) }
1465 
1466 #define snd_ymfpci_info_single		snd_ctl_boolean_mono_info
1467 
1468 static int snd_ymfpci_get_single(struct snd_kcontrol *kcontrol,
1469 				 struct snd_ctl_elem_value *ucontrol)
1470 {
1471 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1472 	int reg = kcontrol->private_value & 0xffff;
1473 	unsigned int shift = (kcontrol->private_value >> 16) & 0xff;
1474 	unsigned int mask = 1;
1475 
1476 	switch (reg) {
1477 	case YDSXGR_SPDIFOUTCTRL: break;
1478 	case YDSXGR_SPDIFINCTRL: break;
1479 	default: return -EINVAL;
1480 	}
1481 	ucontrol->value.integer.value[0] =
1482 		(snd_ymfpci_readl(chip, reg) >> shift) & mask;
1483 	return 0;
1484 }
1485 
1486 static int snd_ymfpci_put_single(struct snd_kcontrol *kcontrol,
1487 				 struct snd_ctl_elem_value *ucontrol)
1488 {
1489 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1490 	int reg = kcontrol->private_value & 0xffff;
1491 	unsigned int shift = (kcontrol->private_value >> 16) & 0xff;
1492  	unsigned int mask = 1;
1493 	int change;
1494 	unsigned int val, oval;
1495 
1496 	switch (reg) {
1497 	case YDSXGR_SPDIFOUTCTRL: break;
1498 	case YDSXGR_SPDIFINCTRL: break;
1499 	default: return -EINVAL;
1500 	}
1501 	val = (ucontrol->value.integer.value[0] & mask);
1502 	val <<= shift;
1503 	spin_lock_irq(&chip->reg_lock);
1504 	oval = snd_ymfpci_readl(chip, reg);
1505 	val = (oval & ~(mask << shift)) | val;
1506 	change = val != oval;
1507 	snd_ymfpci_writel(chip, reg, val);
1508 	spin_unlock_irq(&chip->reg_lock);
1509 	return change;
1510 }
1511 
1512 static const DECLARE_TLV_DB_LINEAR(db_scale_native, TLV_DB_GAIN_MUTE, 0);
1513 
1514 #define YMFPCI_DOUBLE(xname, xindex, reg) \
1515 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1516   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
1517   .info = snd_ymfpci_info_double, \
1518   .get = snd_ymfpci_get_double, .put = snd_ymfpci_put_double, \
1519   .private_value = reg, \
1520   .tlv = { .p = db_scale_native } }
1521 
1522 static int snd_ymfpci_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1523 {
1524 	unsigned int reg = kcontrol->private_value;
1525 
1526 	if (reg < 0x80 || reg >= 0xc0)
1527 		return -EINVAL;
1528 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1529 	uinfo->count = 2;
1530 	uinfo->value.integer.min = 0;
1531 	uinfo->value.integer.max = 16383;
1532 	return 0;
1533 }
1534 
1535 static int snd_ymfpci_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1536 {
1537 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1538 	unsigned int reg = kcontrol->private_value;
1539 	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
1540 	unsigned int val;
1541 
1542 	if (reg < 0x80 || reg >= 0xc0)
1543 		return -EINVAL;
1544 	spin_lock_irq(&chip->reg_lock);
1545 	val = snd_ymfpci_readl(chip, reg);
1546 	spin_unlock_irq(&chip->reg_lock);
1547 	ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
1548 	ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
1549 	return 0;
1550 }
1551 
1552 static int snd_ymfpci_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1553 {
1554 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1555 	unsigned int reg = kcontrol->private_value;
1556 	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
1557 	int change;
1558 	unsigned int val1, val2, oval;
1559 
1560 	if (reg < 0x80 || reg >= 0xc0)
1561 		return -EINVAL;
1562 	val1 = ucontrol->value.integer.value[0] & mask;
1563 	val2 = ucontrol->value.integer.value[1] & mask;
1564 	val1 <<= shift_left;
1565 	val2 <<= shift_right;
1566 	spin_lock_irq(&chip->reg_lock);
1567 	oval = snd_ymfpci_readl(chip, reg);
1568 	val1 = (oval & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
1569 	change = val1 != oval;
1570 	snd_ymfpci_writel(chip, reg, val1);
1571 	spin_unlock_irq(&chip->reg_lock);
1572 	return change;
1573 }
1574 
1575 static int snd_ymfpci_put_nativedacvol(struct snd_kcontrol *kcontrol,
1576 				       struct snd_ctl_elem_value *ucontrol)
1577 {
1578 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1579 	unsigned int reg = YDSXGR_NATIVEDACOUTVOL;
1580 	unsigned int reg2 = YDSXGR_BUF441OUTVOL;
1581 	int change;
1582 	unsigned int value, oval;
1583 
1584 	value = ucontrol->value.integer.value[0] & 0x3fff;
1585 	value |= (ucontrol->value.integer.value[1] & 0x3fff) << 16;
1586 	spin_lock_irq(&chip->reg_lock);
1587 	oval = snd_ymfpci_readl(chip, reg);
1588 	change = value != oval;
1589 	snd_ymfpci_writel(chip, reg, value);
1590 	snd_ymfpci_writel(chip, reg2, value);
1591 	spin_unlock_irq(&chip->reg_lock);
1592 	return change;
1593 }
1594 
1595 /*
1596  * 4ch duplication
1597  */
1598 #define snd_ymfpci_info_dup4ch		snd_ctl_boolean_mono_info
1599 
1600 static int snd_ymfpci_get_dup4ch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1601 {
1602 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1603 	ucontrol->value.integer.value[0] = chip->mode_dup4ch;
1604 	return 0;
1605 }
1606 
1607 static int snd_ymfpci_put_dup4ch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1608 {
1609 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1610 	int change;
1611 	change = (ucontrol->value.integer.value[0] != chip->mode_dup4ch);
1612 	if (change)
1613 		chip->mode_dup4ch = !!ucontrol->value.integer.value[0];
1614 	return change;
1615 }
1616 
1617 static struct snd_kcontrol_new snd_ymfpci_dup4ch __devinitdata = {
1618 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1619 	.name = "4ch Duplication",
1620 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1621 	.info = snd_ymfpci_info_dup4ch,
1622 	.get = snd_ymfpci_get_dup4ch,
1623 	.put = snd_ymfpci_put_dup4ch,
1624 };
1625 
1626 static struct snd_kcontrol_new snd_ymfpci_controls[] __devinitdata = {
1627 {
1628 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1629 	.name = "Wave Playback Volume",
1630 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1631 		  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1632 	.info = snd_ymfpci_info_double,
1633 	.get = snd_ymfpci_get_double,
1634 	.put = snd_ymfpci_put_nativedacvol,
1635 	.private_value = YDSXGR_NATIVEDACOUTVOL,
1636 	.tlv = { .p = db_scale_native },
1637 },
1638 YMFPCI_DOUBLE("Wave Capture Volume", 0, YDSXGR_NATIVEDACLOOPVOL),
1639 YMFPCI_DOUBLE("Digital Capture Volume", 0, YDSXGR_NATIVEDACINVOL),
1640 YMFPCI_DOUBLE("Digital Capture Volume", 1, YDSXGR_NATIVEADCINVOL),
1641 YMFPCI_DOUBLE("ADC Playback Volume", 0, YDSXGR_PRIADCOUTVOL),
1642 YMFPCI_DOUBLE("ADC Capture Volume", 0, YDSXGR_PRIADCLOOPVOL),
1643 YMFPCI_DOUBLE("ADC Playback Volume", 1, YDSXGR_SECADCOUTVOL),
1644 YMFPCI_DOUBLE("ADC Capture Volume", 1, YDSXGR_SECADCLOOPVOL),
1645 YMFPCI_DOUBLE("FM Legacy Playback Volume", 0, YDSXGR_LEGACYOUTVOL),
1646 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("AC97 ", PLAYBACK,VOLUME), 0, YDSXGR_ZVOUTVOL),
1647 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("", CAPTURE,VOLUME), 0, YDSXGR_ZVLOOPVOL),
1648 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("AC97 ",PLAYBACK,VOLUME), 1, YDSXGR_SPDIFOUTVOL),
1649 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,VOLUME), 1, YDSXGR_SPDIFLOOPVOL),
1650 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), 0, YDSXGR_SPDIFOUTCTRL, 0),
1651 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, YDSXGR_SPDIFINCTRL, 0),
1652 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("Loop",NONE,NONE), 0, YDSXGR_SPDIFINCTRL, 4),
1653 };
1654 
1655 
1656 /*
1657  * GPIO
1658  */
1659 
1660 static int snd_ymfpci_get_gpio_out(struct snd_ymfpci *chip, int pin)
1661 {
1662 	u16 reg, mode;
1663 	unsigned long flags;
1664 
1665 	spin_lock_irqsave(&chip->reg_lock, flags);
1666 	reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
1667 	reg &= ~(1 << (pin + 8));
1668 	reg |= (1 << pin);
1669 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
1670 	/* set the level mode for input line */
1671 	mode = snd_ymfpci_readw(chip, YDSXGR_GPIOTYPECONFIG);
1672 	mode &= ~(3 << (pin * 2));
1673 	snd_ymfpci_writew(chip, YDSXGR_GPIOTYPECONFIG, mode);
1674 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
1675 	mode = snd_ymfpci_readw(chip, YDSXGR_GPIOINSTATUS);
1676 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1677 	return (mode >> pin) & 1;
1678 }
1679 
1680 static int snd_ymfpci_set_gpio_out(struct snd_ymfpci *chip, int pin, int enable)
1681 {
1682 	u16 reg;
1683 	unsigned long flags;
1684 
1685 	spin_lock_irqsave(&chip->reg_lock, flags);
1686 	reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
1687 	reg &= ~(1 << pin);
1688 	reg &= ~(1 << (pin + 8));
1689 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
1690 	snd_ymfpci_writew(chip, YDSXGR_GPIOOUTCTRL, enable << pin);
1691 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
1692 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1693 
1694 	return 0;
1695 }
1696 
1697 #define snd_ymfpci_gpio_sw_info		snd_ctl_boolean_mono_info
1698 
1699 static int snd_ymfpci_gpio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1700 {
1701 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1702 	int pin = (int)kcontrol->private_value;
1703 	ucontrol->value.integer.value[0] = snd_ymfpci_get_gpio_out(chip, pin);
1704 	return 0;
1705 }
1706 
1707 static int snd_ymfpci_gpio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1708 {
1709 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1710 	int pin = (int)kcontrol->private_value;
1711 
1712 	if (snd_ymfpci_get_gpio_out(chip, pin) != ucontrol->value.integer.value[0]) {
1713 		snd_ymfpci_set_gpio_out(chip, pin, !!ucontrol->value.integer.value[0]);
1714 		ucontrol->value.integer.value[0] = snd_ymfpci_get_gpio_out(chip, pin);
1715 		return 1;
1716 	}
1717 	return 0;
1718 }
1719 
1720 static struct snd_kcontrol_new snd_ymfpci_rear_shared __devinitdata = {
1721 	.name = "Shared Rear/Line-In Switch",
1722 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1723 	.info = snd_ymfpci_gpio_sw_info,
1724 	.get = snd_ymfpci_gpio_sw_get,
1725 	.put = snd_ymfpci_gpio_sw_put,
1726 	.private_value = 2,
1727 };
1728 
1729 /*
1730  * PCM voice volume
1731  */
1732 
1733 static int snd_ymfpci_pcm_vol_info(struct snd_kcontrol *kcontrol,
1734 				   struct snd_ctl_elem_info *uinfo)
1735 {
1736 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1737 	uinfo->count = 2;
1738 	uinfo->value.integer.min = 0;
1739 	uinfo->value.integer.max = 0x8000;
1740 	return 0;
1741 }
1742 
1743 static int snd_ymfpci_pcm_vol_get(struct snd_kcontrol *kcontrol,
1744 				  struct snd_ctl_elem_value *ucontrol)
1745 {
1746 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1747 	unsigned int subs = kcontrol->id.subdevice;
1748 
1749 	ucontrol->value.integer.value[0] = chip->pcm_mixer[subs].left;
1750 	ucontrol->value.integer.value[1] = chip->pcm_mixer[subs].right;
1751 	return 0;
1752 }
1753 
1754 static int snd_ymfpci_pcm_vol_put(struct snd_kcontrol *kcontrol,
1755 				  struct snd_ctl_elem_value *ucontrol)
1756 {
1757 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1758 	unsigned int subs = kcontrol->id.subdevice;
1759 	struct snd_pcm_substream *substream;
1760 	unsigned long flags;
1761 
1762 	if (ucontrol->value.integer.value[0] != chip->pcm_mixer[subs].left ||
1763 	    ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) {
1764 		chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0];
1765 		chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1];
1766 		if (chip->pcm_mixer[subs].left > 0x8000)
1767 			chip->pcm_mixer[subs].left = 0x8000;
1768 		if (chip->pcm_mixer[subs].right > 0x8000)
1769 			chip->pcm_mixer[subs].right = 0x8000;
1770 
1771 		substream = (struct snd_pcm_substream *)kcontrol->private_value;
1772 		spin_lock_irqsave(&chip->voice_lock, flags);
1773 		if (substream->runtime && substream->runtime->private_data) {
1774 			struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
1775 			if (!ypcm->use_441_slot)
1776 				ypcm->update_pcm_vol = 2;
1777 		}
1778 		spin_unlock_irqrestore(&chip->voice_lock, flags);
1779 		return 1;
1780 	}
1781 	return 0;
1782 }
1783 
1784 static struct snd_kcontrol_new snd_ymfpci_pcm_volume __devinitdata = {
1785 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1786 	.name = "PCM Playback Volume",
1787 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1788 		SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1789 	.info = snd_ymfpci_pcm_vol_info,
1790 	.get = snd_ymfpci_pcm_vol_get,
1791 	.put = snd_ymfpci_pcm_vol_put,
1792 };
1793 
1794 
1795 /*
1796  *  Mixer routines
1797  */
1798 
1799 static void snd_ymfpci_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1800 {
1801 	struct snd_ymfpci *chip = bus->private_data;
1802 	chip->ac97_bus = NULL;
1803 }
1804 
1805 static void snd_ymfpci_mixer_free_ac97(struct snd_ac97 *ac97)
1806 {
1807 	struct snd_ymfpci *chip = ac97->private_data;
1808 	chip->ac97 = NULL;
1809 }
1810 
1811 int __devinit snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch)
1812 {
1813 	struct snd_ac97_template ac97;
1814 	struct snd_kcontrol *kctl;
1815 	struct snd_pcm_substream *substream;
1816 	unsigned int idx;
1817 	int err;
1818 	static struct snd_ac97_bus_ops ops = {
1819 		.write = snd_ymfpci_codec_write,
1820 		.read = snd_ymfpci_codec_read,
1821 	};
1822 
1823 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1824 		return err;
1825 	chip->ac97_bus->private_free = snd_ymfpci_mixer_free_ac97_bus;
1826 	chip->ac97_bus->no_vra = 1; /* YMFPCI doesn't need VRA */
1827 
1828 	memset(&ac97, 0, sizeof(ac97));
1829 	ac97.private_data = chip;
1830 	ac97.private_free = snd_ymfpci_mixer_free_ac97;
1831 	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1832 		return err;
1833 
1834 	/* to be sure */
1835 	snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS,
1836 			     AC97_EA_VRA|AC97_EA_VRM, 0);
1837 
1838 	for (idx = 0; idx < ARRAY_SIZE(snd_ymfpci_controls); idx++) {
1839 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip))) < 0)
1840 			return err;
1841 	}
1842 	if (chip->ac97->ext_id & AC97_EI_SDAC) {
1843 		kctl = snd_ctl_new1(&snd_ymfpci_dup4ch, chip);
1844 		err = snd_ctl_add(chip->card, kctl);
1845 		if (err < 0)
1846 			return err;
1847 	}
1848 
1849 	/* add S/PDIF control */
1850 	if (snd_BUG_ON(!chip->pcm_spdif))
1851 		return -ENXIO;
1852 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_default, chip))) < 0)
1853 		return err;
1854 	kctl->id.device = chip->pcm_spdif->device;
1855 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_mask, chip))) < 0)
1856 		return err;
1857 	kctl->id.device = chip->pcm_spdif->device;
1858 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_stream, chip))) < 0)
1859 		return err;
1860 	kctl->id.device = chip->pcm_spdif->device;
1861 	chip->spdif_pcm_ctl = kctl;
1862 
1863 	/* direct recording source */
1864 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_754 &&
1865 	    (err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_drec_source, chip))) < 0)
1866 		return err;
1867 
1868 	/*
1869 	 * shared rear/line-in
1870 	 */
1871 	if (rear_switch) {
1872 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_rear_shared, chip))) < 0)
1873 			return err;
1874 	}
1875 
1876 	/* per-voice volume */
1877 	substream = chip->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
1878 	for (idx = 0; idx < 32; ++idx) {
1879 		kctl = snd_ctl_new1(&snd_ymfpci_pcm_volume, chip);
1880 		if (!kctl)
1881 			return -ENOMEM;
1882 		kctl->id.device = chip->pcm->device;
1883 		kctl->id.subdevice = idx;
1884 		kctl->private_value = (unsigned long)substream;
1885 		if ((err = snd_ctl_add(chip->card, kctl)) < 0)
1886 			return err;
1887 		chip->pcm_mixer[idx].left = 0x8000;
1888 		chip->pcm_mixer[idx].right = 0x8000;
1889 		chip->pcm_mixer[idx].ctl = kctl;
1890 		substream = substream->next;
1891 	}
1892 
1893 	return 0;
1894 }
1895 
1896 
1897 /*
1898  * timer
1899  */
1900 
1901 static int snd_ymfpci_timer_start(struct snd_timer *timer)
1902 {
1903 	struct snd_ymfpci *chip;
1904 	unsigned long flags;
1905 	unsigned int count;
1906 
1907 	chip = snd_timer_chip(timer);
1908 	spin_lock_irqsave(&chip->reg_lock, flags);
1909 	if (timer->sticks > 1) {
1910 		chip->timer_ticks = timer->sticks;
1911 		count = timer->sticks - 1;
1912 	} else {
1913 		/*
1914 		 * Divisor 1 is not allowed; fake it by using divisor 2 and
1915 		 * counting two ticks for each interrupt.
1916 		 */
1917 		chip->timer_ticks = 2;
1918 		count = 2 - 1;
1919 	}
1920 	snd_ymfpci_writew(chip, YDSXGR_TIMERCOUNT, count);
1921 	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x03);
1922 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1923 	return 0;
1924 }
1925 
1926 static int snd_ymfpci_timer_stop(struct snd_timer *timer)
1927 {
1928 	struct snd_ymfpci *chip;
1929 	unsigned long flags;
1930 
1931 	chip = snd_timer_chip(timer);
1932 	spin_lock_irqsave(&chip->reg_lock, flags);
1933 	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x00);
1934 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1935 	return 0;
1936 }
1937 
1938 static int snd_ymfpci_timer_precise_resolution(struct snd_timer *timer,
1939 					       unsigned long *num, unsigned long *den)
1940 {
1941 	*num = 1;
1942 	*den = 96000;
1943 	return 0;
1944 }
1945 
1946 static struct snd_timer_hardware snd_ymfpci_timer_hw = {
1947 	.flags = SNDRV_TIMER_HW_AUTO,
1948 	.resolution = 10417, /* 1 / 96 kHz = 10.41666...us */
1949 	.ticks = 0x10000,
1950 	.start = snd_ymfpci_timer_start,
1951 	.stop = snd_ymfpci_timer_stop,
1952 	.precise_resolution = snd_ymfpci_timer_precise_resolution,
1953 };
1954 
1955 int __devinit snd_ymfpci_timer(struct snd_ymfpci *chip, int device)
1956 {
1957 	struct snd_timer *timer = NULL;
1958 	struct snd_timer_id tid;
1959 	int err;
1960 
1961 	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
1962 	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
1963 	tid.card = chip->card->number;
1964 	tid.device = device;
1965 	tid.subdevice = 0;
1966 	if ((err = snd_timer_new(chip->card, "YMFPCI", &tid, &timer)) >= 0) {
1967 		strcpy(timer->name, "YMFPCI timer");
1968 		timer->private_data = chip;
1969 		timer->hw = snd_ymfpci_timer_hw;
1970 	}
1971 	chip->timer = timer;
1972 	return err;
1973 }
1974 
1975 
1976 /*
1977  *  proc interface
1978  */
1979 
1980 static void snd_ymfpci_proc_read(struct snd_info_entry *entry,
1981 				 struct snd_info_buffer *buffer)
1982 {
1983 	struct snd_ymfpci *chip = entry->private_data;
1984 	int i;
1985 
1986 	snd_iprintf(buffer, "YMFPCI\n\n");
1987 	for (i = 0; i <= YDSXGR_WORKBASE; i += 4)
1988 		snd_iprintf(buffer, "%04x: %04x\n", i, snd_ymfpci_readl(chip, i));
1989 }
1990 
1991 static int __devinit snd_ymfpci_proc_init(struct snd_card *card, struct snd_ymfpci *chip)
1992 {
1993 	struct snd_info_entry *entry;
1994 
1995 	if (! snd_card_proc_new(card, "ymfpci", &entry))
1996 		snd_info_set_text_ops(entry, chip, snd_ymfpci_proc_read);
1997 	return 0;
1998 }
1999 
2000 /*
2001  *  initialization routines
2002  */
2003 
2004 static void snd_ymfpci_aclink_reset(struct pci_dev * pci)
2005 {
2006 	u8 cmd;
2007 
2008 	pci_read_config_byte(pci, PCIR_DSXG_CTRL, &cmd);
2009 #if 0 // force to reset
2010 	if (cmd & 0x03) {
2011 #endif
2012 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);
2013 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd | 0x03);
2014 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);
2015 		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL1, 0);
2016 		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL2, 0);
2017 #if 0
2018 	}
2019 #endif
2020 }
2021 
2022 static void snd_ymfpci_enable_dsp(struct snd_ymfpci *chip)
2023 {
2024 	snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000001);
2025 }
2026 
2027 static void snd_ymfpci_disable_dsp(struct snd_ymfpci *chip)
2028 {
2029 	u32 val;
2030 	int timeout = 1000;
2031 
2032 	val = snd_ymfpci_readl(chip, YDSXGR_CONFIG);
2033 	if (val)
2034 		snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000000);
2035 	while (timeout-- > 0) {
2036 		val = snd_ymfpci_readl(chip, YDSXGR_STATUS);
2037 		if ((val & 0x00000002) == 0)
2038 			break;
2039 	}
2040 }
2041 
2042 static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip)
2043 {
2044 	int err, is_1e;
2045 	const char *name;
2046 
2047 	err = request_firmware(&chip->dsp_microcode, "yamaha/ds1_dsp.fw",
2048 			       &chip->pci->dev);
2049 	if (err >= 0) {
2050 		if (chip->dsp_microcode->size != YDSXG_DSPLENGTH) {
2051 			snd_printk(KERN_ERR "DSP microcode has wrong size\n");
2052 			err = -EINVAL;
2053 		}
2054 	}
2055 	if (err < 0)
2056 		return err;
2057 	is_1e = chip->device_id == PCI_DEVICE_ID_YAMAHA_724F ||
2058 		chip->device_id == PCI_DEVICE_ID_YAMAHA_740C ||
2059 		chip->device_id == PCI_DEVICE_ID_YAMAHA_744 ||
2060 		chip->device_id == PCI_DEVICE_ID_YAMAHA_754;
2061 	name = is_1e ? "yamaha/ds1e_ctrl.fw" : "yamaha/ds1_ctrl.fw";
2062 	err = request_firmware(&chip->controller_microcode, name,
2063 			       &chip->pci->dev);
2064 	if (err >= 0) {
2065 		if (chip->controller_microcode->size != YDSXG_CTRLLENGTH) {
2066 			snd_printk(KERN_ERR "controller microcode"
2067 				   " has wrong size\n");
2068 			err = -EINVAL;
2069 		}
2070 	}
2071 	if (err < 0)
2072 		return err;
2073 	return 0;
2074 }
2075 
2076 MODULE_FIRMWARE("yamaha/ds1_dsp.fw");
2077 MODULE_FIRMWARE("yamaha/ds1_ctrl.fw");
2078 MODULE_FIRMWARE("yamaha/ds1e_ctrl.fw");
2079 
2080 static void snd_ymfpci_download_image(struct snd_ymfpci *chip)
2081 {
2082 	int i;
2083 	u16 ctrl;
2084 	const __le32 *inst;
2085 
2086 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000);
2087 	snd_ymfpci_disable_dsp(chip);
2088 	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00010000);
2089 	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00000000);
2090 	snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, 0x00000000);
2091 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT, 0x00000000);
2092 	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0x00000000);
2093 	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0x00000000);
2094 	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0x00000000);
2095 	ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
2096 	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
2097 
2098 	/* setup DSP instruction code */
2099 	inst = (const __le32 *)chip->dsp_microcode->data;
2100 	for (i = 0; i < YDSXG_DSPLENGTH / 4; i++)
2101 		snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2),
2102 				  le32_to_cpu(inst[i]));
2103 
2104 	/* setup control instruction code */
2105 	inst = (const __le32 *)chip->controller_microcode->data;
2106 	for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++)
2107 		snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2),
2108 				  le32_to_cpu(inst[i]));
2109 
2110 	snd_ymfpci_enable_dsp(chip);
2111 }
2112 
2113 static int __devinit snd_ymfpci_memalloc(struct snd_ymfpci *chip)
2114 {
2115 	long size, playback_ctrl_size;
2116 	int voice, bank, reg;
2117 	u8 *ptr;
2118 	dma_addr_t ptr_addr;
2119 
2120 	playback_ctrl_size = 4 + 4 * YDSXG_PLAYBACK_VOICES;
2121 	chip->bank_size_playback = snd_ymfpci_readl(chip, YDSXGR_PLAYCTRLSIZE) << 2;
2122 	chip->bank_size_capture = snd_ymfpci_readl(chip, YDSXGR_RECCTRLSIZE) << 2;
2123 	chip->bank_size_effect = snd_ymfpci_readl(chip, YDSXGR_EFFCTRLSIZE) << 2;
2124 	chip->work_size = YDSXG_DEFAULT_WORK_SIZE;
2125 
2126 	size = ALIGN(playback_ctrl_size, 0x100) +
2127 	       ALIGN(chip->bank_size_playback * 2 * YDSXG_PLAYBACK_VOICES, 0x100) +
2128 	       ALIGN(chip->bank_size_capture * 2 * YDSXG_CAPTURE_VOICES, 0x100) +
2129 	       ALIGN(chip->bank_size_effect * 2 * YDSXG_EFFECT_VOICES, 0x100) +
2130 	       chip->work_size;
2131 	/* work_ptr must be aligned to 256 bytes, but it's already
2132 	   covered with the kernel page allocation mechanism */
2133 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
2134 				size, &chip->work_ptr) < 0)
2135 		return -ENOMEM;
2136 	ptr = chip->work_ptr.area;
2137 	ptr_addr = chip->work_ptr.addr;
2138 	memset(ptr, 0, size);	/* for sure */
2139 
2140 	chip->bank_base_playback = ptr;
2141 	chip->bank_base_playback_addr = ptr_addr;
2142 	chip->ctrl_playback = (u32 *)ptr;
2143 	chip->ctrl_playback[0] = cpu_to_le32(YDSXG_PLAYBACK_VOICES);
2144 	ptr += ALIGN(playback_ctrl_size, 0x100);
2145 	ptr_addr += ALIGN(playback_ctrl_size, 0x100);
2146 	for (voice = 0; voice < YDSXG_PLAYBACK_VOICES; voice++) {
2147 		chip->voices[voice].number = voice;
2148 		chip->voices[voice].bank = (struct snd_ymfpci_playback_bank *)ptr;
2149 		chip->voices[voice].bank_addr = ptr_addr;
2150 		for (bank = 0; bank < 2; bank++) {
2151 			chip->bank_playback[voice][bank] = (struct snd_ymfpci_playback_bank *)ptr;
2152 			ptr += chip->bank_size_playback;
2153 			ptr_addr += chip->bank_size_playback;
2154 		}
2155 	}
2156 	ptr = (char *)ALIGN((unsigned long)ptr, 0x100);
2157 	ptr_addr = ALIGN(ptr_addr, 0x100);
2158 	chip->bank_base_capture = ptr;
2159 	chip->bank_base_capture_addr = ptr_addr;
2160 	for (voice = 0; voice < YDSXG_CAPTURE_VOICES; voice++)
2161 		for (bank = 0; bank < 2; bank++) {
2162 			chip->bank_capture[voice][bank] = (struct snd_ymfpci_capture_bank *)ptr;
2163 			ptr += chip->bank_size_capture;
2164 			ptr_addr += chip->bank_size_capture;
2165 		}
2166 	ptr = (char *)ALIGN((unsigned long)ptr, 0x100);
2167 	ptr_addr = ALIGN(ptr_addr, 0x100);
2168 	chip->bank_base_effect = ptr;
2169 	chip->bank_base_effect_addr = ptr_addr;
2170 	for (voice = 0; voice < YDSXG_EFFECT_VOICES; voice++)
2171 		for (bank = 0; bank < 2; bank++) {
2172 			chip->bank_effect[voice][bank] = (struct snd_ymfpci_effect_bank *)ptr;
2173 			ptr += chip->bank_size_effect;
2174 			ptr_addr += chip->bank_size_effect;
2175 		}
2176 	ptr = (char *)ALIGN((unsigned long)ptr, 0x100);
2177 	ptr_addr = ALIGN(ptr_addr, 0x100);
2178 	chip->work_base = ptr;
2179 	chip->work_base_addr = ptr_addr;
2180 
2181 	snd_BUG_ON(ptr + chip->work_size !=
2182 		   chip->work_ptr.area + chip->work_ptr.bytes);
2183 
2184 	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr);
2185 	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, chip->bank_base_capture_addr);
2186 	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, chip->bank_base_effect_addr);
2187 	snd_ymfpci_writel(chip, YDSXGR_WORKBASE, chip->work_base_addr);
2188 	snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, chip->work_size >> 2);
2189 
2190 	/* S/PDIF output initialization */
2191 	chip->spdif_bits = chip->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF & 0xffff;
2192 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL, 0);
2193 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
2194 
2195 	/* S/PDIF input initialization */
2196 	snd_ymfpci_writew(chip, YDSXGR_SPDIFINCTRL, 0);
2197 
2198 	/* digital mixer setup */
2199 	for (reg = 0x80; reg < 0xc0; reg += 4)
2200 		snd_ymfpci_writel(chip, reg, 0);
2201 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff);
2202 	snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0x3fff3fff);
2203 	snd_ymfpci_writel(chip, YDSXGR_ZVOUTVOL, 0x3fff3fff);
2204 	snd_ymfpci_writel(chip, YDSXGR_SPDIFOUTVOL, 0x3fff3fff);
2205 	snd_ymfpci_writel(chip, YDSXGR_NATIVEADCINVOL, 0x3fff3fff);
2206 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACINVOL, 0x3fff3fff);
2207 	snd_ymfpci_writel(chip, YDSXGR_PRIADCLOOPVOL, 0x3fff3fff);
2208 	snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0x3fff3fff);
2209 
2210 	return 0;
2211 }
2212 
2213 static int snd_ymfpci_free(struct snd_ymfpci *chip)
2214 {
2215 	u16 ctrl;
2216 
2217 	if (snd_BUG_ON(!chip))
2218 		return -EINVAL;
2219 
2220 	if (chip->res_reg_area) {	/* don't touch busy hardware */
2221 		snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
2222 		snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0);
2223 		snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0);
2224 		snd_ymfpci_writel(chip, YDSXGR_STATUS, ~0);
2225 		snd_ymfpci_disable_dsp(chip);
2226 		snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0);
2227 		snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0);
2228 		snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0);
2229 		snd_ymfpci_writel(chip, YDSXGR_WORKBASE, 0);
2230 		snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, 0);
2231 		ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
2232 		snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
2233 	}
2234 
2235 	snd_ymfpci_ac3_done(chip);
2236 
2237 	/* Set PCI device to D3 state */
2238 #if 0
2239 	/* FIXME: temporarily disabled, otherwise we cannot fire up
2240 	 * the chip again unless reboot.  ACPI bug?
2241 	 */
2242 	pci_set_power_state(chip->pci, 3);
2243 #endif
2244 
2245 #ifdef CONFIG_PM
2246 	vfree(chip->saved_regs);
2247 #endif
2248 	if (chip->irq >= 0)
2249 		free_irq(chip->irq, chip);
2250 	release_and_free_resource(chip->mpu_res);
2251 	release_and_free_resource(chip->fm_res);
2252 	snd_ymfpci_free_gameport(chip);
2253 	if (chip->reg_area_virt)
2254 		iounmap(chip->reg_area_virt);
2255 	if (chip->work_ptr.area)
2256 		snd_dma_free_pages(&chip->work_ptr);
2257 
2258 	release_and_free_resource(chip->res_reg_area);
2259 
2260 	pci_write_config_word(chip->pci, 0x40, chip->old_legacy_ctrl);
2261 
2262 	pci_disable_device(chip->pci);
2263 	release_firmware(chip->dsp_microcode);
2264 	release_firmware(chip->controller_microcode);
2265 	kfree(chip);
2266 	return 0;
2267 }
2268 
2269 static int snd_ymfpci_dev_free(struct snd_device *device)
2270 {
2271 	struct snd_ymfpci *chip = device->device_data;
2272 	return snd_ymfpci_free(chip);
2273 }
2274 
2275 #ifdef CONFIG_PM
2276 static int saved_regs_index[] = {
2277 	/* spdif */
2278 	YDSXGR_SPDIFOUTCTRL,
2279 	YDSXGR_SPDIFOUTSTATUS,
2280 	YDSXGR_SPDIFINCTRL,
2281 	/* volumes */
2282 	YDSXGR_PRIADCLOOPVOL,
2283 	YDSXGR_NATIVEDACINVOL,
2284 	YDSXGR_NATIVEDACOUTVOL,
2285 	YDSXGR_BUF441OUTVOL,
2286 	YDSXGR_NATIVEADCINVOL,
2287 	YDSXGR_SPDIFLOOPVOL,
2288 	YDSXGR_SPDIFOUTVOL,
2289 	YDSXGR_ZVOUTVOL,
2290 	YDSXGR_LEGACYOUTVOL,
2291 	/* address bases */
2292 	YDSXGR_PLAYCTRLBASE,
2293 	YDSXGR_RECCTRLBASE,
2294 	YDSXGR_EFFCTRLBASE,
2295 	YDSXGR_WORKBASE,
2296 	/* capture set up */
2297 	YDSXGR_MAPOFREC,
2298 	YDSXGR_RECFORMAT,
2299 	YDSXGR_RECSLOTSR,
2300 	YDSXGR_ADCFORMAT,
2301 	YDSXGR_ADCSLOTSR,
2302 };
2303 #define YDSXGR_NUM_SAVED_REGS	ARRAY_SIZE(saved_regs_index)
2304 
2305 int snd_ymfpci_suspend(struct pci_dev *pci, pm_message_t state)
2306 {
2307 	struct snd_card *card = pci_get_drvdata(pci);
2308 	struct snd_ymfpci *chip = card->private_data;
2309 	unsigned int i;
2310 
2311 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2312 	snd_pcm_suspend_all(chip->pcm);
2313 	snd_pcm_suspend_all(chip->pcm2);
2314 	snd_pcm_suspend_all(chip->pcm_spdif);
2315 	snd_pcm_suspend_all(chip->pcm_4ch);
2316 	snd_ac97_suspend(chip->ac97);
2317 	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)
2318 		chip->saved_regs[i] = snd_ymfpci_readl(chip, saved_regs_index[i]);
2319 	chip->saved_ydsxgr_mode = snd_ymfpci_readl(chip, YDSXGR_MODE);
2320 	pci_read_config_word(chip->pci, PCIR_DSXG_LEGACY,
2321 			     &chip->saved_dsxg_legacy);
2322 	pci_read_config_word(chip->pci, PCIR_DSXG_ELEGACY,
2323 			     &chip->saved_dsxg_elegacy);
2324 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
2325 	snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0);
2326 	snd_ymfpci_disable_dsp(chip);
2327 	pci_disable_device(pci);
2328 	pci_save_state(pci);
2329 	pci_set_power_state(pci, pci_choose_state(pci, state));
2330 	return 0;
2331 }
2332 
2333 int snd_ymfpci_resume(struct pci_dev *pci)
2334 {
2335 	struct snd_card *card = pci_get_drvdata(pci);
2336 	struct snd_ymfpci *chip = card->private_data;
2337 	unsigned int i;
2338 
2339 	pci_set_power_state(pci, PCI_D0);
2340 	pci_restore_state(pci);
2341 	if (pci_enable_device(pci) < 0) {
2342 		printk(KERN_ERR "ymfpci: pci_enable_device failed, "
2343 		       "disabling device\n");
2344 		snd_card_disconnect(card);
2345 		return -EIO;
2346 	}
2347 	pci_set_master(pci);
2348 	snd_ymfpci_aclink_reset(pci);
2349 	snd_ymfpci_codec_ready(chip, 0);
2350 	snd_ymfpci_download_image(chip);
2351 	udelay(100);
2352 
2353 	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)
2354 		snd_ymfpci_writel(chip, saved_regs_index[i], chip->saved_regs[i]);
2355 
2356 	snd_ac97_resume(chip->ac97);
2357 
2358 	pci_write_config_word(chip->pci, PCIR_DSXG_LEGACY,
2359 			      chip->saved_dsxg_legacy);
2360 	pci_write_config_word(chip->pci, PCIR_DSXG_ELEGACY,
2361 			      chip->saved_dsxg_elegacy);
2362 
2363 	/* start hw again */
2364 	if (chip->start_count > 0) {
2365 		spin_lock_irq(&chip->reg_lock);
2366 		snd_ymfpci_writel(chip, YDSXGR_MODE, chip->saved_ydsxgr_mode);
2367 		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT);
2368 		spin_unlock_irq(&chip->reg_lock);
2369 	}
2370 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2371 	return 0;
2372 }
2373 #endif /* CONFIG_PM */
2374 
2375 int __devinit snd_ymfpci_create(struct snd_card *card,
2376 				struct pci_dev * pci,
2377 				unsigned short old_legacy_ctrl,
2378 				struct snd_ymfpci ** rchip)
2379 {
2380 	struct snd_ymfpci *chip;
2381 	int err;
2382 	static struct snd_device_ops ops = {
2383 		.dev_free =	snd_ymfpci_dev_free,
2384 	};
2385 
2386 	*rchip = NULL;
2387 
2388 	/* enable PCI device */
2389 	if ((err = pci_enable_device(pci)) < 0)
2390 		return err;
2391 
2392 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2393 	if (chip == NULL) {
2394 		pci_disable_device(pci);
2395 		return -ENOMEM;
2396 	}
2397 	chip->old_legacy_ctrl = old_legacy_ctrl;
2398 	spin_lock_init(&chip->reg_lock);
2399 	spin_lock_init(&chip->voice_lock);
2400 	init_waitqueue_head(&chip->interrupt_sleep);
2401 	atomic_set(&chip->interrupt_sleep_count, 0);
2402 	chip->card = card;
2403 	chip->pci = pci;
2404 	chip->irq = -1;
2405 	chip->device_id = pci->device;
2406 	chip->rev = pci->revision;
2407 	chip->reg_area_phys = pci_resource_start(pci, 0);
2408 	chip->reg_area_virt = ioremap_nocache(chip->reg_area_phys, 0x8000);
2409 	pci_set_master(pci);
2410 	chip->src441_used = -1;
2411 
2412 	if ((chip->res_reg_area = request_mem_region(chip->reg_area_phys, 0x8000, "YMFPCI")) == NULL) {
2413 		snd_printk(KERN_ERR "unable to grab memory region 0x%lx-0x%lx\n", chip->reg_area_phys, chip->reg_area_phys + 0x8000 - 1);
2414 		snd_ymfpci_free(chip);
2415 		return -EBUSY;
2416 	}
2417 	if (request_irq(pci->irq, snd_ymfpci_interrupt, IRQF_SHARED,
2418 			KBUILD_MODNAME, chip)) {
2419 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2420 		snd_ymfpci_free(chip);
2421 		return -EBUSY;
2422 	}
2423 	chip->irq = pci->irq;
2424 
2425 	snd_ymfpci_aclink_reset(pci);
2426 	if (snd_ymfpci_codec_ready(chip, 0) < 0) {
2427 		snd_ymfpci_free(chip);
2428 		return -EIO;
2429 	}
2430 
2431 	err = snd_ymfpci_request_firmware(chip);
2432 	if (err < 0) {
2433 		snd_printk(KERN_ERR "firmware request failed: %d\n", err);
2434 		snd_ymfpci_free(chip);
2435 		return err;
2436 	}
2437 	snd_ymfpci_download_image(chip);
2438 
2439 	udelay(100); /* seems we need a delay after downloading image.. */
2440 
2441 	if (snd_ymfpci_memalloc(chip) < 0) {
2442 		snd_ymfpci_free(chip);
2443 		return -EIO;
2444 	}
2445 
2446 	if ((err = snd_ymfpci_ac3_init(chip)) < 0) {
2447 		snd_ymfpci_free(chip);
2448 		return err;
2449 	}
2450 
2451 #ifdef CONFIG_PM
2452 	chip->saved_regs = vmalloc(YDSXGR_NUM_SAVED_REGS * sizeof(u32));
2453 	if (chip->saved_regs == NULL) {
2454 		snd_ymfpci_free(chip);
2455 		return -ENOMEM;
2456 	}
2457 #endif
2458 
2459 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2460 		snd_ymfpci_free(chip);
2461 		return err;
2462 	}
2463 
2464 	snd_ymfpci_proc_init(card, chip);
2465 
2466 	snd_card_set_dev(card, &pci->dev);
2467 
2468 	*rchip = chip;
2469 	return 0;
2470 }
2471