xref: /openbmc/linux/sound/pci/ymfpci/ymfpci_main.c (revision a1e58bbd)
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 
30 #include <sound/core.h>
31 #include <sound/control.h>
32 #include <sound/info.h>
33 #include <sound/tlv.h>
34 #include <sound/ymfpci.h>
35 #include <sound/asoundef.h>
36 #include <sound/mpu401.h>
37 
38 #include <asm/io.h>
39 #include <asm/byteorder.h>
40 
41 /*
42  *  common I/O routines
43  */
44 
45 static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip);
46 
47 static inline u8 snd_ymfpci_readb(struct snd_ymfpci *chip, u32 offset)
48 {
49 	return readb(chip->reg_area_virt + offset);
50 }
51 
52 static inline void snd_ymfpci_writeb(struct snd_ymfpci *chip, u32 offset, u8 val)
53 {
54 	writeb(val, chip->reg_area_virt + offset);
55 }
56 
57 static inline u16 snd_ymfpci_readw(struct snd_ymfpci *chip, u32 offset)
58 {
59 	return readw(chip->reg_area_virt + offset);
60 }
61 
62 static inline void snd_ymfpci_writew(struct snd_ymfpci *chip, u32 offset, u16 val)
63 {
64 	writew(val, chip->reg_area_virt + offset);
65 }
66 
67 static inline u32 snd_ymfpci_readl(struct snd_ymfpci *chip, u32 offset)
68 {
69 	return readl(chip->reg_area_virt + offset);
70 }
71 
72 static inline void snd_ymfpci_writel(struct snd_ymfpci *chip, u32 offset, u32 val)
73 {
74 	writel(val, chip->reg_area_virt + offset);
75 }
76 
77 static int snd_ymfpci_codec_ready(struct snd_ymfpci *chip, int secondary)
78 {
79 	unsigned long end_time;
80 	u32 reg = secondary ? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR;
81 
82 	end_time = jiffies + msecs_to_jiffies(750);
83 	do {
84 		if ((snd_ymfpci_readw(chip, reg) & 0x8000) == 0)
85 			return 0;
86 		schedule_timeout_uninterruptible(1);
87 	} while (time_before(jiffies, end_time));
88 	snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_ymfpci_readw(chip, reg));
89 	return -EBUSY;
90 }
91 
92 static void snd_ymfpci_codec_write(struct snd_ac97 *ac97, u16 reg, u16 val)
93 {
94 	struct snd_ymfpci *chip = ac97->private_data;
95 	u32 cmd;
96 
97 	snd_ymfpci_codec_ready(chip, 0);
98 	cmd = ((YDSXG_AC97WRITECMD | reg) << 16) | val;
99 	snd_ymfpci_writel(chip, YDSXGR_AC97CMDDATA, cmd);
100 }
101 
102 static u16 snd_ymfpci_codec_read(struct snd_ac97 *ac97, u16 reg)
103 {
104 	struct snd_ymfpci *chip = ac97->private_data;
105 
106 	if (snd_ymfpci_codec_ready(chip, 0))
107 		return ~0;
108 	snd_ymfpci_writew(chip, YDSXGR_AC97CMDADR, YDSXG_AC97READCMD | reg);
109 	if (snd_ymfpci_codec_ready(chip, 0))
110 		return ~0;
111 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_744 && chip->rev < 2) {
112 		int i;
113 		for (i = 0; i < 600; i++)
114 			snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
115 	}
116 	return snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
117 }
118 
119 /*
120  *  Misc routines
121  */
122 
123 static u32 snd_ymfpci_calc_delta(u32 rate)
124 {
125 	switch (rate) {
126 	case 8000:	return 0x02aaab00;
127 	case 11025:	return 0x03accd00;
128 	case 16000:	return 0x05555500;
129 	case 22050:	return 0x07599a00;
130 	case 32000:	return 0x0aaaab00;
131 	case 44100:	return 0x0eb33300;
132 	default:	return ((rate << 16) / 375) << 5;
133 	}
134 }
135 
136 static u32 def_rate[8] = {
137 	100, 2000, 8000, 11025, 16000, 22050, 32000, 48000
138 };
139 
140 static u32 snd_ymfpci_calc_lpfK(u32 rate)
141 {
142 	u32 i;
143 	static u32 val[8] = {
144 		0x00570000, 0x06AA0000, 0x18B20000, 0x20930000,
145 		0x2B9A0000, 0x35A10000, 0x3EAA0000, 0x40000000
146 	};
147 
148 	if (rate == 44100)
149 		return 0x40000000;	/* FIXME: What's the right value? */
150 	for (i = 0; i < 8; i++)
151 		if (rate <= def_rate[i])
152 			return val[i];
153 	return val[0];
154 }
155 
156 static u32 snd_ymfpci_calc_lpfQ(u32 rate)
157 {
158 	u32 i;
159 	static u32 val[8] = {
160 		0x35280000, 0x34A70000, 0x32020000, 0x31770000,
161 		0x31390000, 0x31C90000, 0x33D00000, 0x40000000
162 	};
163 
164 	if (rate == 44100)
165 		return 0x370A0000;
166 	for (i = 0; i < 8; i++)
167 		if (rate <= def_rate[i])
168 			return val[i];
169 	return val[0];
170 }
171 
172 /*
173  *  Hardware start management
174  */
175 
176 static void snd_ymfpci_hw_start(struct snd_ymfpci *chip)
177 {
178 	unsigned long flags;
179 
180 	spin_lock_irqsave(&chip->reg_lock, flags);
181 	if (chip->start_count++ > 0)
182 		goto __end;
183 	snd_ymfpci_writel(chip, YDSXGR_MODE,
184 			  snd_ymfpci_readl(chip, YDSXGR_MODE) | 3);
185 	chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
186       __end:
187       	spin_unlock_irqrestore(&chip->reg_lock, flags);
188 }
189 
190 static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip)
191 {
192 	unsigned long flags;
193 	long timeout = 1000;
194 
195 	spin_lock_irqsave(&chip->reg_lock, flags);
196 	if (--chip->start_count > 0)
197 		goto __end;
198 	snd_ymfpci_writel(chip, YDSXGR_MODE,
199 			  snd_ymfpci_readl(chip, YDSXGR_MODE) & ~3);
200 	while (timeout-- > 0) {
201 		if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
202 			break;
203 	}
204 	if (atomic_read(&chip->interrupt_sleep_count)) {
205 		atomic_set(&chip->interrupt_sleep_count, 0);
206 		wake_up(&chip->interrupt_sleep);
207 	}
208       __end:
209       	spin_unlock_irqrestore(&chip->reg_lock, flags);
210 }
211 
212 /*
213  *  Playback voice management
214  */
215 
216 static int voice_alloc(struct snd_ymfpci *chip,
217 		       enum snd_ymfpci_voice_type type, int pair,
218 		       struct snd_ymfpci_voice **rvoice)
219 {
220 	struct snd_ymfpci_voice *voice, *voice2;
221 	int idx;
222 
223 	*rvoice = NULL;
224 	for (idx = 0; idx < YDSXG_PLAYBACK_VOICES; idx += pair ? 2 : 1) {
225 		voice = &chip->voices[idx];
226 		voice2 = pair ? &chip->voices[idx+1] : NULL;
227 		if (voice->use || (voice2 && voice2->use))
228 			continue;
229 		voice->use = 1;
230 		if (voice2)
231 			voice2->use = 1;
232 		switch (type) {
233 		case YMFPCI_PCM:
234 			voice->pcm = 1;
235 			if (voice2)
236 				voice2->pcm = 1;
237 			break;
238 		case YMFPCI_SYNTH:
239 			voice->synth = 1;
240 			break;
241 		case YMFPCI_MIDI:
242 			voice->midi = 1;
243 			break;
244 		}
245 		snd_ymfpci_hw_start(chip);
246 		if (voice2)
247 			snd_ymfpci_hw_start(chip);
248 		*rvoice = voice;
249 		return 0;
250 	}
251 	return -ENOMEM;
252 }
253 
254 static int snd_ymfpci_voice_alloc(struct snd_ymfpci *chip,
255 				  enum snd_ymfpci_voice_type type, int pair,
256 				  struct snd_ymfpci_voice **rvoice)
257 {
258 	unsigned long flags;
259 	int result;
260 
261 	snd_assert(rvoice != NULL, return -EINVAL);
262 	snd_assert(!pair || type == YMFPCI_PCM, return -EINVAL);
263 
264 	spin_lock_irqsave(&chip->voice_lock, flags);
265 	for (;;) {
266 		result = voice_alloc(chip, type, pair, rvoice);
267 		if (result == 0 || type != YMFPCI_PCM)
268 			break;
269 		/* TODO: synth/midi voice deallocation */
270 		break;
271 	}
272 	spin_unlock_irqrestore(&chip->voice_lock, flags);
273 	return result;
274 }
275 
276 static int snd_ymfpci_voice_free(struct snd_ymfpci *chip, struct snd_ymfpci_voice *pvoice)
277 {
278 	unsigned long flags;
279 
280 	snd_assert(pvoice != NULL, return -EINVAL);
281 	snd_ymfpci_hw_stop(chip);
282 	spin_lock_irqsave(&chip->voice_lock, flags);
283 	if (pvoice->number == chip->src441_used) {
284 		chip->src441_used = -1;
285 		pvoice->ypcm->use_441_slot = 0;
286 	}
287 	pvoice->use = pvoice->pcm = pvoice->synth = pvoice->midi = 0;
288 	pvoice->ypcm = NULL;
289 	pvoice->interrupt = NULL;
290 	spin_unlock_irqrestore(&chip->voice_lock, flags);
291 	return 0;
292 }
293 
294 /*
295  *  PCM part
296  */
297 
298 static void snd_ymfpci_pcm_interrupt(struct snd_ymfpci *chip, struct snd_ymfpci_voice *voice)
299 {
300 	struct snd_ymfpci_pcm *ypcm;
301 	u32 pos, delta;
302 
303 	if ((ypcm = voice->ypcm) == NULL)
304 		return;
305 	if (ypcm->substream == NULL)
306 		return;
307 	spin_lock(&chip->reg_lock);
308 	if (ypcm->running) {
309 		pos = le32_to_cpu(voice->bank[chip->active_bank].start);
310 		if (pos < ypcm->last_pos)
311 			delta = pos + (ypcm->buffer_size - ypcm->last_pos);
312 		else
313 			delta = pos - ypcm->last_pos;
314 		ypcm->period_pos += delta;
315 		ypcm->last_pos = pos;
316 		if (ypcm->period_pos >= ypcm->period_size) {
317 			// printk("done - active_bank = 0x%x, start = 0x%x\n", chip->active_bank, voice->bank[chip->active_bank].start);
318 			ypcm->period_pos %= ypcm->period_size;
319 			spin_unlock(&chip->reg_lock);
320 			snd_pcm_period_elapsed(ypcm->substream);
321 			spin_lock(&chip->reg_lock);
322 		}
323 
324 		if (unlikely(ypcm->update_pcm_vol)) {
325 			unsigned int subs = ypcm->substream->number;
326 			unsigned int next_bank = 1 - chip->active_bank;
327 			struct snd_ymfpci_playback_bank *bank;
328 			u32 volume;
329 
330 			bank = &voice->bank[next_bank];
331 			volume = cpu_to_le32(chip->pcm_mixer[subs].left << 15);
332 			bank->left_gain_end = volume;
333 			if (ypcm->output_rear)
334 				bank->eff2_gain_end = volume;
335 			if (ypcm->voices[1])
336 				bank = &ypcm->voices[1]->bank[next_bank];
337 			volume = cpu_to_le32(chip->pcm_mixer[subs].right << 15);
338 			bank->right_gain_end = volume;
339 			if (ypcm->output_rear)
340 				bank->eff3_gain_end = volume;
341 			ypcm->update_pcm_vol--;
342 		}
343 	}
344 	spin_unlock(&chip->reg_lock);
345 }
346 
347 static void snd_ymfpci_pcm_capture_interrupt(struct snd_pcm_substream *substream)
348 {
349 	struct snd_pcm_runtime *runtime = substream->runtime;
350 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
351 	struct snd_ymfpci *chip = ypcm->chip;
352 	u32 pos, delta;
353 
354 	spin_lock(&chip->reg_lock);
355 	if (ypcm->running) {
356 		pos = le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
357 		if (pos < ypcm->last_pos)
358 			delta = pos + (ypcm->buffer_size - ypcm->last_pos);
359 		else
360 			delta = pos - ypcm->last_pos;
361 		ypcm->period_pos += delta;
362 		ypcm->last_pos = pos;
363 		if (ypcm->period_pos >= ypcm->period_size) {
364 			ypcm->period_pos %= ypcm->period_size;
365 			// printk("done - active_bank = 0x%x, start = 0x%x\n", chip->active_bank, voice->bank[chip->active_bank].start);
366 			spin_unlock(&chip->reg_lock);
367 			snd_pcm_period_elapsed(substream);
368 			spin_lock(&chip->reg_lock);
369 		}
370 	}
371 	spin_unlock(&chip->reg_lock);
372 }
373 
374 static int snd_ymfpci_playback_trigger(struct snd_pcm_substream *substream,
375 				       int cmd)
376 {
377 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
378 	struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
379 	struct snd_kcontrol *kctl = NULL;
380 	int result = 0;
381 
382 	spin_lock(&chip->reg_lock);
383 	if (ypcm->voices[0] == NULL) {
384 		result = -EINVAL;
385 		goto __unlock;
386 	}
387 	switch (cmd) {
388 	case SNDRV_PCM_TRIGGER_START:
389 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
390 	case SNDRV_PCM_TRIGGER_RESUME:
391 		chip->ctrl_playback[ypcm->voices[0]->number + 1] = cpu_to_le32(ypcm->voices[0]->bank_addr);
392 		if (ypcm->voices[1] != NULL && !ypcm->use_441_slot)
393 			chip->ctrl_playback[ypcm->voices[1]->number + 1] = cpu_to_le32(ypcm->voices[1]->bank_addr);
394 		ypcm->running = 1;
395 		break;
396 	case SNDRV_PCM_TRIGGER_STOP:
397 		if (substream->pcm == chip->pcm && !ypcm->use_441_slot) {
398 			kctl = chip->pcm_mixer[substream->number].ctl;
399 			kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
400 		}
401 		/* fall through */
402 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
403 	case SNDRV_PCM_TRIGGER_SUSPEND:
404 		chip->ctrl_playback[ypcm->voices[0]->number + 1] = 0;
405 		if (ypcm->voices[1] != NULL && !ypcm->use_441_slot)
406 			chip->ctrl_playback[ypcm->voices[1]->number + 1] = 0;
407 		ypcm->running = 0;
408 		break;
409 	default:
410 		result = -EINVAL;
411 		break;
412 	}
413       __unlock:
414 	spin_unlock(&chip->reg_lock);
415 	if (kctl)
416 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
417 	return result;
418 }
419 static int snd_ymfpci_capture_trigger(struct snd_pcm_substream *substream,
420 				      int cmd)
421 {
422 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
423 	struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
424 	int result = 0;
425 	u32 tmp;
426 
427 	spin_lock(&chip->reg_lock);
428 	switch (cmd) {
429 	case SNDRV_PCM_TRIGGER_START:
430 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
431 	case SNDRV_PCM_TRIGGER_RESUME:
432 		tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) | (1 << ypcm->capture_bank_number);
433 		snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
434 		ypcm->running = 1;
435 		break;
436 	case SNDRV_PCM_TRIGGER_STOP:
437 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
438 	case SNDRV_PCM_TRIGGER_SUSPEND:
439 		tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) & ~(1 << ypcm->capture_bank_number);
440 		snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
441 		ypcm->running = 0;
442 		break;
443 	default:
444 		result = -EINVAL;
445 		break;
446 	}
447 	spin_unlock(&chip->reg_lock);
448 	return result;
449 }
450 
451 static int snd_ymfpci_pcm_voice_alloc(struct snd_ymfpci_pcm *ypcm, int voices)
452 {
453 	int err;
454 
455 	if (ypcm->voices[1] != NULL && voices < 2) {
456 		snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[1]);
457 		ypcm->voices[1] = NULL;
458 	}
459 	if (voices == 1 && ypcm->voices[0] != NULL)
460 		return 0;		/* already allocated */
461 	if (voices == 2 && ypcm->voices[0] != NULL && ypcm->voices[1] != NULL)
462 		return 0;		/* already allocated */
463 	if (voices > 1) {
464 		if (ypcm->voices[0] != NULL && ypcm->voices[1] == NULL) {
465 			snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[0]);
466 			ypcm->voices[0] = NULL;
467 		}
468 	}
469 	err = snd_ymfpci_voice_alloc(ypcm->chip, YMFPCI_PCM, voices > 1, &ypcm->voices[0]);
470 	if (err < 0)
471 		return err;
472 	ypcm->voices[0]->ypcm = ypcm;
473 	ypcm->voices[0]->interrupt = snd_ymfpci_pcm_interrupt;
474 	if (voices > 1) {
475 		ypcm->voices[1] = &ypcm->chip->voices[ypcm->voices[0]->number + 1];
476 		ypcm->voices[1]->ypcm = ypcm;
477 	}
478 	return 0;
479 }
480 
481 static void snd_ymfpci_pcm_init_voice(struct snd_ymfpci_pcm *ypcm, unsigned int voiceidx,
482 				      struct snd_pcm_runtime *runtime,
483 				      int has_pcm_volume)
484 {
485 	struct snd_ymfpci_voice *voice = ypcm->voices[voiceidx];
486 	u32 format;
487 	u32 delta = snd_ymfpci_calc_delta(runtime->rate);
488 	u32 lpfQ = snd_ymfpci_calc_lpfQ(runtime->rate);
489 	u32 lpfK = snd_ymfpci_calc_lpfK(runtime->rate);
490 	struct snd_ymfpci_playback_bank *bank;
491 	unsigned int nbank;
492 	u32 vol_left, vol_right;
493 	u8 use_left, use_right;
494 	unsigned long flags;
495 
496 	snd_assert(voice != NULL, return);
497 	if (runtime->channels == 1) {
498 		use_left = 1;
499 		use_right = 1;
500 	} else {
501 		use_left = (voiceidx & 1) == 0;
502 		use_right = !use_left;
503 	}
504 	if (has_pcm_volume) {
505 		vol_left = cpu_to_le32(ypcm->chip->pcm_mixer
506 				       [ypcm->substream->number].left << 15);
507 		vol_right = cpu_to_le32(ypcm->chip->pcm_mixer
508 					[ypcm->substream->number].right << 15);
509 	} else {
510 		vol_left = cpu_to_le32(0x40000000);
511 		vol_right = cpu_to_le32(0x40000000);
512 	}
513 	spin_lock_irqsave(&ypcm->chip->voice_lock, flags);
514 	format = runtime->channels == 2 ? 0x00010000 : 0;
515 	if (snd_pcm_format_width(runtime->format) == 8)
516 		format |= 0x80000000;
517 	else if (ypcm->chip->device_id == PCI_DEVICE_ID_YAMAHA_754 &&
518 		 runtime->rate == 44100 && runtime->channels == 2 &&
519 		 voiceidx == 0 && (ypcm->chip->src441_used == -1 ||
520 				   ypcm->chip->src441_used == voice->number)) {
521 		ypcm->chip->src441_used = voice->number;
522 		ypcm->use_441_slot = 1;
523 		format |= 0x10000000;
524 	}
525 	if (ypcm->chip->src441_used == voice->number &&
526 	    (format & 0x10000000) == 0) {
527 		ypcm->chip->src441_used = -1;
528 		ypcm->use_441_slot = 0;
529 	}
530 	if (runtime->channels == 2 && (voiceidx & 1) != 0)
531 		format |= 1;
532 	spin_unlock_irqrestore(&ypcm->chip->voice_lock, flags);
533 	for (nbank = 0; nbank < 2; nbank++) {
534 		bank = &voice->bank[nbank];
535 		memset(bank, 0, sizeof(*bank));
536 		bank->format = cpu_to_le32(format);
537 		bank->base = cpu_to_le32(runtime->dma_addr);
538 		bank->loop_end = cpu_to_le32(ypcm->buffer_size);
539 		bank->lpfQ = cpu_to_le32(lpfQ);
540 		bank->delta =
541 		bank->delta_end = cpu_to_le32(delta);
542 		bank->lpfK =
543 		bank->lpfK_end = cpu_to_le32(lpfK);
544 		bank->eg_gain =
545 		bank->eg_gain_end = cpu_to_le32(0x40000000);
546 
547 		if (ypcm->output_front) {
548 			if (use_left) {
549 				bank->left_gain =
550 				bank->left_gain_end = vol_left;
551 			}
552 			if (use_right) {
553 				bank->right_gain =
554 				bank->right_gain_end = vol_right;
555 			}
556 		}
557 		if (ypcm->output_rear) {
558 		        if (!ypcm->swap_rear) {
559         			if (use_left) {
560         				bank->eff2_gain =
561         				bank->eff2_gain_end = vol_left;
562         			}
563         			if (use_right) {
564         				bank->eff3_gain =
565         				bank->eff3_gain_end = vol_right;
566         			}
567 		        } else {
568         			/* The SPDIF out channels seem to be swapped, so we have
569         			 * to swap them here, too.  The rear analog out channels
570         			 * will be wrong, but otherwise AC3 would not work.
571         			 */
572         			if (use_left) {
573         				bank->eff3_gain =
574         				bank->eff3_gain_end = vol_left;
575         			}
576         			if (use_right) {
577         				bank->eff2_gain =
578         				bank->eff2_gain_end = vol_right;
579         			}
580         		}
581                 }
582 	}
583 }
584 
585 static int __devinit snd_ymfpci_ac3_init(struct snd_ymfpci *chip)
586 {
587 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
588 				4096, &chip->ac3_tmp_base) < 0)
589 		return -ENOMEM;
590 
591 	chip->bank_effect[3][0]->base =
592 	chip->bank_effect[3][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr);
593 	chip->bank_effect[3][0]->loop_end =
594 	chip->bank_effect[3][1]->loop_end = cpu_to_le32(1024);
595 	chip->bank_effect[4][0]->base =
596 	chip->bank_effect[4][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr + 2048);
597 	chip->bank_effect[4][0]->loop_end =
598 	chip->bank_effect[4][1]->loop_end = cpu_to_le32(1024);
599 
600 	spin_lock_irq(&chip->reg_lock);
601 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
602 			  snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) | 3 << 3);
603 	spin_unlock_irq(&chip->reg_lock);
604 	return 0;
605 }
606 
607 static int snd_ymfpci_ac3_done(struct snd_ymfpci *chip)
608 {
609 	spin_lock_irq(&chip->reg_lock);
610 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
611 			  snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) & ~(3 << 3));
612 	spin_unlock_irq(&chip->reg_lock);
613 	// snd_ymfpci_irq_wait(chip);
614 	if (chip->ac3_tmp_base.area) {
615 		snd_dma_free_pages(&chip->ac3_tmp_base);
616 		chip->ac3_tmp_base.area = NULL;
617 	}
618 	return 0;
619 }
620 
621 static int snd_ymfpci_playback_hw_params(struct snd_pcm_substream *substream,
622 					 struct snd_pcm_hw_params *hw_params)
623 {
624 	struct snd_pcm_runtime *runtime = substream->runtime;
625 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
626 	int err;
627 
628 	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
629 		return err;
630 	if ((err = snd_ymfpci_pcm_voice_alloc(ypcm, params_channels(hw_params))) < 0)
631 		return err;
632 	return 0;
633 }
634 
635 static int snd_ymfpci_playback_hw_free(struct snd_pcm_substream *substream)
636 {
637 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
638 	struct snd_pcm_runtime *runtime = substream->runtime;
639 	struct snd_ymfpci_pcm *ypcm;
640 
641 	if (runtime->private_data == NULL)
642 		return 0;
643 	ypcm = runtime->private_data;
644 
645 	/* wait, until the PCI operations are not finished */
646 	snd_ymfpci_irq_wait(chip);
647 	snd_pcm_lib_free_pages(substream);
648 	if (ypcm->voices[1]) {
649 		snd_ymfpci_voice_free(chip, ypcm->voices[1]);
650 		ypcm->voices[1] = NULL;
651 	}
652 	if (ypcm->voices[0]) {
653 		snd_ymfpci_voice_free(chip, ypcm->voices[0]);
654 		ypcm->voices[0] = NULL;
655 	}
656 	return 0;
657 }
658 
659 static int snd_ymfpci_playback_prepare(struct snd_pcm_substream *substream)
660 {
661 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
662 	struct snd_pcm_runtime *runtime = substream->runtime;
663 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
664 	struct snd_kcontrol *kctl;
665 	unsigned int nvoice;
666 
667 	ypcm->period_size = runtime->period_size;
668 	ypcm->buffer_size = runtime->buffer_size;
669 	ypcm->period_pos = 0;
670 	ypcm->last_pos = 0;
671 	for (nvoice = 0; nvoice < runtime->channels; nvoice++)
672 		snd_ymfpci_pcm_init_voice(ypcm, nvoice, runtime,
673 					  substream->pcm == chip->pcm);
674 
675 	if (substream->pcm == chip->pcm && !ypcm->use_441_slot) {
676 		kctl = chip->pcm_mixer[substream->number].ctl;
677 		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
678 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);
679 	}
680 	return 0;
681 }
682 
683 static int snd_ymfpci_capture_hw_params(struct snd_pcm_substream *substream,
684 					struct snd_pcm_hw_params *hw_params)
685 {
686 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
687 }
688 
689 static int snd_ymfpci_capture_hw_free(struct snd_pcm_substream *substream)
690 {
691 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
692 
693 	/* wait, until the PCI operations are not finished */
694 	snd_ymfpci_irq_wait(chip);
695 	return snd_pcm_lib_free_pages(substream);
696 }
697 
698 static int snd_ymfpci_capture_prepare(struct snd_pcm_substream *substream)
699 {
700 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
701 	struct snd_pcm_runtime *runtime = substream->runtime;
702 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
703 	struct snd_ymfpci_capture_bank * bank;
704 	int nbank;
705 	u32 rate, format;
706 
707 	ypcm->period_size = runtime->period_size;
708 	ypcm->buffer_size = runtime->buffer_size;
709 	ypcm->period_pos = 0;
710 	ypcm->last_pos = 0;
711 	ypcm->shift = 0;
712 	rate = ((48000 * 4096) / runtime->rate) - 1;
713 	format = 0;
714 	if (runtime->channels == 2) {
715 		format |= 2;
716 		ypcm->shift++;
717 	}
718 	if (snd_pcm_format_width(runtime->format) == 8)
719 		format |= 1;
720 	else
721 		ypcm->shift++;
722 	switch (ypcm->capture_bank_number) {
723 	case 0:
724 		snd_ymfpci_writel(chip, YDSXGR_RECFORMAT, format);
725 		snd_ymfpci_writel(chip, YDSXGR_RECSLOTSR, rate);
726 		break;
727 	case 1:
728 		snd_ymfpci_writel(chip, YDSXGR_ADCFORMAT, format);
729 		snd_ymfpci_writel(chip, YDSXGR_ADCSLOTSR, rate);
730 		break;
731 	}
732 	for (nbank = 0; nbank < 2; nbank++) {
733 		bank = chip->bank_capture[ypcm->capture_bank_number][nbank];
734 		bank->base = cpu_to_le32(runtime->dma_addr);
735 		bank->loop_end = cpu_to_le32(ypcm->buffer_size << ypcm->shift);
736 		bank->start = 0;
737 		bank->num_of_loops = 0;
738 	}
739 	return 0;
740 }
741 
742 static snd_pcm_uframes_t snd_ymfpci_playback_pointer(struct snd_pcm_substream *substream)
743 {
744 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
745 	struct snd_pcm_runtime *runtime = substream->runtime;
746 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
747 	struct snd_ymfpci_voice *voice = ypcm->voices[0];
748 
749 	if (!(ypcm->running && voice))
750 		return 0;
751 	return le32_to_cpu(voice->bank[chip->active_bank].start);
752 }
753 
754 static snd_pcm_uframes_t snd_ymfpci_capture_pointer(struct snd_pcm_substream *substream)
755 {
756 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
757 	struct snd_pcm_runtime *runtime = substream->runtime;
758 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
759 
760 	if (!ypcm->running)
761 		return 0;
762 	return le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
763 }
764 
765 static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip)
766 {
767 	wait_queue_t wait;
768 	int loops = 4;
769 
770 	while (loops-- > 0) {
771 		if ((snd_ymfpci_readl(chip, YDSXGR_MODE) & 3) == 0)
772 		 	continue;
773 		init_waitqueue_entry(&wait, current);
774 		add_wait_queue(&chip->interrupt_sleep, &wait);
775 		atomic_inc(&chip->interrupt_sleep_count);
776 		schedule_timeout_uninterruptible(msecs_to_jiffies(50));
777 		remove_wait_queue(&chip->interrupt_sleep, &wait);
778 	}
779 }
780 
781 static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id)
782 {
783 	struct snd_ymfpci *chip = dev_id;
784 	u32 status, nvoice, mode;
785 	struct snd_ymfpci_voice *voice;
786 
787 	status = snd_ymfpci_readl(chip, YDSXGR_STATUS);
788 	if (status & 0x80000000) {
789 		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
790 		spin_lock(&chip->voice_lock);
791 		for (nvoice = 0; nvoice < YDSXG_PLAYBACK_VOICES; nvoice++) {
792 			voice = &chip->voices[nvoice];
793 			if (voice->interrupt)
794 				voice->interrupt(chip, voice);
795 		}
796 		for (nvoice = 0; nvoice < YDSXG_CAPTURE_VOICES; nvoice++) {
797 			if (chip->capture_substream[nvoice])
798 				snd_ymfpci_pcm_capture_interrupt(chip->capture_substream[nvoice]);
799 		}
800 #if 0
801 		for (nvoice = 0; nvoice < YDSXG_EFFECT_VOICES; nvoice++) {
802 			if (chip->effect_substream[nvoice])
803 				snd_ymfpci_pcm_effect_interrupt(chip->effect_substream[nvoice]);
804 		}
805 #endif
806 		spin_unlock(&chip->voice_lock);
807 		spin_lock(&chip->reg_lock);
808 		snd_ymfpci_writel(chip, YDSXGR_STATUS, 0x80000000);
809 		mode = snd_ymfpci_readl(chip, YDSXGR_MODE) | 2;
810 		snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
811 		spin_unlock(&chip->reg_lock);
812 
813 		if (atomic_read(&chip->interrupt_sleep_count)) {
814 			atomic_set(&chip->interrupt_sleep_count, 0);
815 			wake_up(&chip->interrupt_sleep);
816 		}
817 	}
818 
819 	status = snd_ymfpci_readw(chip, YDSXGR_INTFLAG);
820 	if (status & 1) {
821 		if (chip->timer)
822 			snd_timer_interrupt(chip->timer, chip->timer->sticks);
823 	}
824 	snd_ymfpci_writew(chip, YDSXGR_INTFLAG, status);
825 
826 	if (chip->rawmidi)
827 		snd_mpu401_uart_interrupt(irq, chip->rawmidi->private_data);
828 	return IRQ_HANDLED;
829 }
830 
831 static struct snd_pcm_hardware snd_ymfpci_playback =
832 {
833 	.info =			(SNDRV_PCM_INFO_MMAP |
834 				 SNDRV_PCM_INFO_MMAP_VALID |
835 				 SNDRV_PCM_INFO_INTERLEAVED |
836 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
837 				 SNDRV_PCM_INFO_PAUSE |
838 				 SNDRV_PCM_INFO_RESUME),
839 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
840 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
841 	.rate_min =		8000,
842 	.rate_max =		48000,
843 	.channels_min =		1,
844 	.channels_max =		2,
845 	.buffer_bytes_max =	256 * 1024, /* FIXME: enough? */
846 	.period_bytes_min =	64,
847 	.period_bytes_max =	256 * 1024, /* FIXME: enough? */
848 	.periods_min =		3,
849 	.periods_max =		1024,
850 	.fifo_size =		0,
851 };
852 
853 static struct snd_pcm_hardware snd_ymfpci_capture =
854 {
855 	.info =			(SNDRV_PCM_INFO_MMAP |
856 				 SNDRV_PCM_INFO_MMAP_VALID |
857 				 SNDRV_PCM_INFO_INTERLEAVED |
858 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
859 				 SNDRV_PCM_INFO_PAUSE |
860 				 SNDRV_PCM_INFO_RESUME),
861 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
862 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
863 	.rate_min =		8000,
864 	.rate_max =		48000,
865 	.channels_min =		1,
866 	.channels_max =		2,
867 	.buffer_bytes_max =	256 * 1024, /* FIXME: enough? */
868 	.period_bytes_min =	64,
869 	.period_bytes_max =	256 * 1024, /* FIXME: enough? */
870 	.periods_min =		3,
871 	.periods_max =		1024,
872 	.fifo_size =		0,
873 };
874 
875 static void snd_ymfpci_pcm_free_substream(struct snd_pcm_runtime *runtime)
876 {
877 	kfree(runtime->private_data);
878 }
879 
880 static int snd_ymfpci_playback_open_1(struct snd_pcm_substream *substream)
881 {
882 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
883 	struct snd_pcm_runtime *runtime = substream->runtime;
884 	struct snd_ymfpci_pcm *ypcm;
885 
886 	ypcm = kzalloc(sizeof(*ypcm), GFP_KERNEL);
887 	if (ypcm == NULL)
888 		return -ENOMEM;
889 	ypcm->chip = chip;
890 	ypcm->type = PLAYBACK_VOICE;
891 	ypcm->substream = substream;
892 	runtime->hw = snd_ymfpci_playback;
893 	runtime->private_data = ypcm;
894 	runtime->private_free = snd_ymfpci_pcm_free_substream;
895 	/* FIXME? True value is 256/48 = 5.33333 ms */
896 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 5333, UINT_MAX);
897 	return 0;
898 }
899 
900 /* call with spinlock held */
901 static void ymfpci_open_extension(struct snd_ymfpci *chip)
902 {
903 	if (! chip->rear_opened) {
904 		if (! chip->spdif_opened) /* set AC3 */
905 			snd_ymfpci_writel(chip, YDSXGR_MODE,
906 					  snd_ymfpci_readl(chip, YDSXGR_MODE) | (1 << 30));
907 		/* enable second codec (4CHEN) */
908 		snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
909 				  (snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) | 0x0010);
910 	}
911 }
912 
913 /* call with spinlock held */
914 static void ymfpci_close_extension(struct snd_ymfpci *chip)
915 {
916 	if (! chip->rear_opened) {
917 		if (! chip->spdif_opened)
918 			snd_ymfpci_writel(chip, YDSXGR_MODE,
919 					  snd_ymfpci_readl(chip, YDSXGR_MODE) & ~(1 << 30));
920 		snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
921 				  (snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) & ~0x0010);
922 	}
923 }
924 
925 static int snd_ymfpci_playback_open(struct snd_pcm_substream *substream)
926 {
927 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
928 	struct snd_pcm_runtime *runtime = substream->runtime;
929 	struct snd_ymfpci_pcm *ypcm;
930 	int err;
931 
932 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
933 		return err;
934 	ypcm = runtime->private_data;
935 	ypcm->output_front = 1;
936 	ypcm->output_rear = chip->mode_dup4ch ? 1 : 0;
937 	ypcm->swap_rear = 0;
938 	spin_lock_irq(&chip->reg_lock);
939 	if (ypcm->output_rear) {
940 		ymfpci_open_extension(chip);
941 		chip->rear_opened++;
942 	}
943 	spin_unlock_irq(&chip->reg_lock);
944 	return 0;
945 }
946 
947 static int snd_ymfpci_playback_spdif_open(struct snd_pcm_substream *substream)
948 {
949 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
950 	struct snd_pcm_runtime *runtime = substream->runtime;
951 	struct snd_ymfpci_pcm *ypcm;
952 	int err;
953 
954 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
955 		return err;
956 	ypcm = runtime->private_data;
957 	ypcm->output_front = 0;
958 	ypcm->output_rear = 1;
959 	ypcm->swap_rear = 1;
960 	spin_lock_irq(&chip->reg_lock);
961 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
962 			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) | 2);
963 	ymfpci_open_extension(chip);
964 	chip->spdif_pcm_bits = chip->spdif_bits;
965 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
966 	chip->spdif_opened++;
967 	spin_unlock_irq(&chip->reg_lock);
968 
969 	chip->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
970 	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
971 		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
972 	return 0;
973 }
974 
975 static int snd_ymfpci_playback_4ch_open(struct snd_pcm_substream *substream)
976 {
977 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
978 	struct snd_pcm_runtime *runtime = substream->runtime;
979 	struct snd_ymfpci_pcm *ypcm;
980 	int err;
981 
982 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
983 		return err;
984 	ypcm = runtime->private_data;
985 	ypcm->output_front = 0;
986 	ypcm->output_rear = 1;
987 	ypcm->swap_rear = 0;
988 	spin_lock_irq(&chip->reg_lock);
989 	ymfpci_open_extension(chip);
990 	chip->rear_opened++;
991 	spin_unlock_irq(&chip->reg_lock);
992 	return 0;
993 }
994 
995 static int snd_ymfpci_capture_open(struct snd_pcm_substream *substream,
996 				   u32 capture_bank_number)
997 {
998 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
999 	struct snd_pcm_runtime *runtime = substream->runtime;
1000 	struct snd_ymfpci_pcm *ypcm;
1001 
1002 	ypcm = kzalloc(sizeof(*ypcm), GFP_KERNEL);
1003 	if (ypcm == NULL)
1004 		return -ENOMEM;
1005 	ypcm->chip = chip;
1006 	ypcm->type = capture_bank_number + CAPTURE_REC;
1007 	ypcm->substream = substream;
1008 	ypcm->capture_bank_number = capture_bank_number;
1009 	chip->capture_substream[capture_bank_number] = substream;
1010 	runtime->hw = snd_ymfpci_capture;
1011 	/* FIXME? True value is 256/48 = 5.33333 ms */
1012 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 5333, UINT_MAX);
1013 	runtime->private_data = ypcm;
1014 	runtime->private_free = snd_ymfpci_pcm_free_substream;
1015 	snd_ymfpci_hw_start(chip);
1016 	return 0;
1017 }
1018 
1019 static int snd_ymfpci_capture_rec_open(struct snd_pcm_substream *substream)
1020 {
1021 	return snd_ymfpci_capture_open(substream, 0);
1022 }
1023 
1024 static int snd_ymfpci_capture_ac97_open(struct snd_pcm_substream *substream)
1025 {
1026 	return snd_ymfpci_capture_open(substream, 1);
1027 }
1028 
1029 static int snd_ymfpci_playback_close_1(struct snd_pcm_substream *substream)
1030 {
1031 	return 0;
1032 }
1033 
1034 static int snd_ymfpci_playback_close(struct snd_pcm_substream *substream)
1035 {
1036 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1037 	struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
1038 
1039 	spin_lock_irq(&chip->reg_lock);
1040 	if (ypcm->output_rear && chip->rear_opened > 0) {
1041 		chip->rear_opened--;
1042 		ymfpci_close_extension(chip);
1043 	}
1044 	spin_unlock_irq(&chip->reg_lock);
1045 	return snd_ymfpci_playback_close_1(substream);
1046 }
1047 
1048 static int snd_ymfpci_playback_spdif_close(struct snd_pcm_substream *substream)
1049 {
1050 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1051 
1052 	spin_lock_irq(&chip->reg_lock);
1053 	chip->spdif_opened = 0;
1054 	ymfpci_close_extension(chip);
1055 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
1056 			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & ~2);
1057 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
1058 	spin_unlock_irq(&chip->reg_lock);
1059 	chip->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1060 	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
1061 		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
1062 	return snd_ymfpci_playback_close_1(substream);
1063 }
1064 
1065 static int snd_ymfpci_playback_4ch_close(struct snd_pcm_substream *substream)
1066 {
1067 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1068 
1069 	spin_lock_irq(&chip->reg_lock);
1070 	if (chip->rear_opened > 0) {
1071 		chip->rear_opened--;
1072 		ymfpci_close_extension(chip);
1073 	}
1074 	spin_unlock_irq(&chip->reg_lock);
1075 	return snd_ymfpci_playback_close_1(substream);
1076 }
1077 
1078 static int snd_ymfpci_capture_close(struct snd_pcm_substream *substream)
1079 {
1080 	struct snd_ymfpci *chip = snd_pcm_substream_chip(substream);
1081 	struct snd_pcm_runtime *runtime = substream->runtime;
1082 	struct snd_ymfpci_pcm *ypcm = runtime->private_data;
1083 
1084 	if (ypcm != NULL) {
1085 		chip->capture_substream[ypcm->capture_bank_number] = NULL;
1086 		snd_ymfpci_hw_stop(chip);
1087 	}
1088 	return 0;
1089 }
1090 
1091 static struct snd_pcm_ops snd_ymfpci_playback_ops = {
1092 	.open =			snd_ymfpci_playback_open,
1093 	.close =		snd_ymfpci_playback_close,
1094 	.ioctl =		snd_pcm_lib_ioctl,
1095 	.hw_params =		snd_ymfpci_playback_hw_params,
1096 	.hw_free =		snd_ymfpci_playback_hw_free,
1097 	.prepare =		snd_ymfpci_playback_prepare,
1098 	.trigger =		snd_ymfpci_playback_trigger,
1099 	.pointer =		snd_ymfpci_playback_pointer,
1100 };
1101 
1102 static struct snd_pcm_ops snd_ymfpci_capture_rec_ops = {
1103 	.open =			snd_ymfpci_capture_rec_open,
1104 	.close =		snd_ymfpci_capture_close,
1105 	.ioctl =		snd_pcm_lib_ioctl,
1106 	.hw_params =		snd_ymfpci_capture_hw_params,
1107 	.hw_free =		snd_ymfpci_capture_hw_free,
1108 	.prepare =		snd_ymfpci_capture_prepare,
1109 	.trigger =		snd_ymfpci_capture_trigger,
1110 	.pointer =		snd_ymfpci_capture_pointer,
1111 };
1112 
1113 int __devinit snd_ymfpci_pcm(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1114 {
1115 	struct snd_pcm *pcm;
1116 	int err;
1117 
1118 	if (rpcm)
1119 		*rpcm = NULL;
1120 	if ((err = snd_pcm_new(chip->card, "YMFPCI", device, 32, 1, &pcm)) < 0)
1121 		return err;
1122 	pcm->private_data = chip;
1123 
1124 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_ops);
1125 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_rec_ops);
1126 
1127 	/* global setup */
1128 	pcm->info_flags = 0;
1129 	strcpy(pcm->name, "YMFPCI");
1130 	chip->pcm = pcm;
1131 
1132 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1133 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1134 
1135 	if (rpcm)
1136 		*rpcm = pcm;
1137 	return 0;
1138 }
1139 
1140 static struct snd_pcm_ops snd_ymfpci_capture_ac97_ops = {
1141 	.open =			snd_ymfpci_capture_ac97_open,
1142 	.close =		snd_ymfpci_capture_close,
1143 	.ioctl =		snd_pcm_lib_ioctl,
1144 	.hw_params =		snd_ymfpci_capture_hw_params,
1145 	.hw_free =		snd_ymfpci_capture_hw_free,
1146 	.prepare =		snd_ymfpci_capture_prepare,
1147 	.trigger =		snd_ymfpci_capture_trigger,
1148 	.pointer =		snd_ymfpci_capture_pointer,
1149 };
1150 
1151 int __devinit snd_ymfpci_pcm2(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1152 {
1153 	struct snd_pcm *pcm;
1154 	int err;
1155 
1156 	if (rpcm)
1157 		*rpcm = NULL;
1158 	if ((err = snd_pcm_new(chip->card, "YMFPCI - PCM2", device, 0, 1, &pcm)) < 0)
1159 		return err;
1160 	pcm->private_data = chip;
1161 
1162 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_ac97_ops);
1163 
1164 	/* global setup */
1165 	pcm->info_flags = 0;
1166 	sprintf(pcm->name, "YMFPCI - %s",
1167 		chip->device_id == PCI_DEVICE_ID_YAMAHA_754 ? "Direct Recording" : "AC'97");
1168 	chip->pcm2 = pcm;
1169 
1170 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1171 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1172 
1173 	if (rpcm)
1174 		*rpcm = pcm;
1175 	return 0;
1176 }
1177 
1178 static struct snd_pcm_ops snd_ymfpci_playback_spdif_ops = {
1179 	.open =			snd_ymfpci_playback_spdif_open,
1180 	.close =		snd_ymfpci_playback_spdif_close,
1181 	.ioctl =		snd_pcm_lib_ioctl,
1182 	.hw_params =		snd_ymfpci_playback_hw_params,
1183 	.hw_free =		snd_ymfpci_playback_hw_free,
1184 	.prepare =		snd_ymfpci_playback_prepare,
1185 	.trigger =		snd_ymfpci_playback_trigger,
1186 	.pointer =		snd_ymfpci_playback_pointer,
1187 };
1188 
1189 int __devinit snd_ymfpci_pcm_spdif(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1190 {
1191 	struct snd_pcm *pcm;
1192 	int err;
1193 
1194 	if (rpcm)
1195 		*rpcm = NULL;
1196 	if ((err = snd_pcm_new(chip->card, "YMFPCI - IEC958", device, 1, 0, &pcm)) < 0)
1197 		return err;
1198 	pcm->private_data = chip;
1199 
1200 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_spdif_ops);
1201 
1202 	/* global setup */
1203 	pcm->info_flags = 0;
1204 	strcpy(pcm->name, "YMFPCI - IEC958");
1205 	chip->pcm_spdif = pcm;
1206 
1207 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1208 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1209 
1210 	if (rpcm)
1211 		*rpcm = pcm;
1212 	return 0;
1213 }
1214 
1215 static struct snd_pcm_ops snd_ymfpci_playback_4ch_ops = {
1216 	.open =			snd_ymfpci_playback_4ch_open,
1217 	.close =		snd_ymfpci_playback_4ch_close,
1218 	.ioctl =		snd_pcm_lib_ioctl,
1219 	.hw_params =		snd_ymfpci_playback_hw_params,
1220 	.hw_free =		snd_ymfpci_playback_hw_free,
1221 	.prepare =		snd_ymfpci_playback_prepare,
1222 	.trigger =		snd_ymfpci_playback_trigger,
1223 	.pointer =		snd_ymfpci_playback_pointer,
1224 };
1225 
1226 int __devinit snd_ymfpci_pcm_4ch(struct snd_ymfpci *chip, int device, struct snd_pcm ** rpcm)
1227 {
1228 	struct snd_pcm *pcm;
1229 	int err;
1230 
1231 	if (rpcm)
1232 		*rpcm = NULL;
1233 	if ((err = snd_pcm_new(chip->card, "YMFPCI - Rear", device, 1, 0, &pcm)) < 0)
1234 		return err;
1235 	pcm->private_data = chip;
1236 
1237 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_4ch_ops);
1238 
1239 	/* global setup */
1240 	pcm->info_flags = 0;
1241 	strcpy(pcm->name, "YMFPCI - Rear PCM");
1242 	chip->pcm_4ch = pcm;
1243 
1244 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1245 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1246 
1247 	if (rpcm)
1248 		*rpcm = pcm;
1249 	return 0;
1250 }
1251 
1252 static int snd_ymfpci_spdif_default_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1253 {
1254 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1255 	uinfo->count = 1;
1256 	return 0;
1257 }
1258 
1259 static int snd_ymfpci_spdif_default_get(struct snd_kcontrol *kcontrol,
1260 					struct snd_ctl_elem_value *ucontrol)
1261 {
1262 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1263 
1264 	spin_lock_irq(&chip->reg_lock);
1265 	ucontrol->value.iec958.status[0] = (chip->spdif_bits >> 0) & 0xff;
1266 	ucontrol->value.iec958.status[1] = (chip->spdif_bits >> 8) & 0xff;
1267 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000;
1268 	spin_unlock_irq(&chip->reg_lock);
1269 	return 0;
1270 }
1271 
1272 static int snd_ymfpci_spdif_default_put(struct snd_kcontrol *kcontrol,
1273 					 struct snd_ctl_elem_value *ucontrol)
1274 {
1275 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1276 	unsigned int val;
1277 	int change;
1278 
1279 	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
1280 	      (ucontrol->value.iec958.status[1] << 8);
1281 	spin_lock_irq(&chip->reg_lock);
1282 	change = chip->spdif_bits != val;
1283 	chip->spdif_bits = val;
1284 	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 1) && chip->pcm_spdif == NULL)
1285 		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
1286 	spin_unlock_irq(&chip->reg_lock);
1287 	return change;
1288 }
1289 
1290 static struct snd_kcontrol_new snd_ymfpci_spdif_default __devinitdata =
1291 {
1292 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1293 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1294 	.info =		snd_ymfpci_spdif_default_info,
1295 	.get =		snd_ymfpci_spdif_default_get,
1296 	.put =		snd_ymfpci_spdif_default_put
1297 };
1298 
1299 static int snd_ymfpci_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1300 {
1301 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1302 	uinfo->count = 1;
1303 	return 0;
1304 }
1305 
1306 static int snd_ymfpci_spdif_mask_get(struct snd_kcontrol *kcontrol,
1307 				      struct snd_ctl_elem_value *ucontrol)
1308 {
1309 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1310 
1311 	spin_lock_irq(&chip->reg_lock);
1312 	ucontrol->value.iec958.status[0] = 0x3e;
1313 	ucontrol->value.iec958.status[1] = 0xff;
1314 	spin_unlock_irq(&chip->reg_lock);
1315 	return 0;
1316 }
1317 
1318 static struct snd_kcontrol_new snd_ymfpci_spdif_mask __devinitdata =
1319 {
1320 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1321 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1322 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1323 	.info =		snd_ymfpci_spdif_mask_info,
1324 	.get =		snd_ymfpci_spdif_mask_get,
1325 };
1326 
1327 static int snd_ymfpci_spdif_stream_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1328 {
1329 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1330 	uinfo->count = 1;
1331 	return 0;
1332 }
1333 
1334 static int snd_ymfpci_spdif_stream_get(struct snd_kcontrol *kcontrol,
1335 					struct snd_ctl_elem_value *ucontrol)
1336 {
1337 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1338 
1339 	spin_lock_irq(&chip->reg_lock);
1340 	ucontrol->value.iec958.status[0] = (chip->spdif_pcm_bits >> 0) & 0xff;
1341 	ucontrol->value.iec958.status[1] = (chip->spdif_pcm_bits >> 8) & 0xff;
1342 	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000;
1343 	spin_unlock_irq(&chip->reg_lock);
1344 	return 0;
1345 }
1346 
1347 static int snd_ymfpci_spdif_stream_put(struct snd_kcontrol *kcontrol,
1348 					struct snd_ctl_elem_value *ucontrol)
1349 {
1350 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1351 	unsigned int val;
1352 	int change;
1353 
1354 	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
1355 	      (ucontrol->value.iec958.status[1] << 8);
1356 	spin_lock_irq(&chip->reg_lock);
1357 	change = chip->spdif_pcm_bits != val;
1358 	chip->spdif_pcm_bits = val;
1359 	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 2))
1360 		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
1361 	spin_unlock_irq(&chip->reg_lock);
1362 	return change;
1363 }
1364 
1365 static struct snd_kcontrol_new snd_ymfpci_spdif_stream __devinitdata =
1366 {
1367 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1368 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1369 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1370 	.info =		snd_ymfpci_spdif_stream_info,
1371 	.get =		snd_ymfpci_spdif_stream_get,
1372 	.put =		snd_ymfpci_spdif_stream_put
1373 };
1374 
1375 static int snd_ymfpci_drec_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *info)
1376 {
1377 	static char *texts[3] = {"AC'97", "IEC958", "ZV Port"};
1378 
1379 	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1380 	info->count = 1;
1381 	info->value.enumerated.items = 3;
1382 	if (info->value.enumerated.item > 2)
1383 		info->value.enumerated.item = 2;
1384 	strcpy(info->value.enumerated.name, texts[info->value.enumerated.item]);
1385 	return 0;
1386 }
1387 
1388 static int snd_ymfpci_drec_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *value)
1389 {
1390 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1391 	u16 reg;
1392 
1393 	spin_lock_irq(&chip->reg_lock);
1394 	reg = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1395 	spin_unlock_irq(&chip->reg_lock);
1396 	if (!(reg & 0x100))
1397 		value->value.enumerated.item[0] = 0;
1398 	else
1399 		value->value.enumerated.item[0] = 1 + ((reg & 0x200) != 0);
1400 	return 0;
1401 }
1402 
1403 static int snd_ymfpci_drec_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *value)
1404 {
1405 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1406 	u16 reg, old_reg;
1407 
1408 	spin_lock_irq(&chip->reg_lock);
1409 	old_reg = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1410 	if (value->value.enumerated.item[0] == 0)
1411 		reg = old_reg & ~0x100;
1412 	else
1413 		reg = (old_reg & ~0x300) | 0x100 | ((value->value.enumerated.item[0] == 2) << 9);
1414 	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, reg);
1415 	spin_unlock_irq(&chip->reg_lock);
1416 	return reg != old_reg;
1417 }
1418 
1419 static struct snd_kcontrol_new snd_ymfpci_drec_source __devinitdata = {
1420 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE,
1421 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1422 	.name =		"Direct Recording Source",
1423 	.info =		snd_ymfpci_drec_source_info,
1424 	.get =		snd_ymfpci_drec_source_get,
1425 	.put =		snd_ymfpci_drec_source_put
1426 };
1427 
1428 /*
1429  *  Mixer controls
1430  */
1431 
1432 #define YMFPCI_SINGLE(xname, xindex, reg, shift) \
1433 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1434   .info = snd_ymfpci_info_single, \
1435   .get = snd_ymfpci_get_single, .put = snd_ymfpci_put_single, \
1436   .private_value = ((reg) | ((shift) << 16)) }
1437 
1438 #define snd_ymfpci_info_single		snd_ctl_boolean_mono_info
1439 
1440 static int snd_ymfpci_get_single(struct snd_kcontrol *kcontrol,
1441 				 struct snd_ctl_elem_value *ucontrol)
1442 {
1443 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1444 	int reg = kcontrol->private_value & 0xffff;
1445 	unsigned int shift = (kcontrol->private_value >> 16) & 0xff;
1446 	unsigned int mask = 1;
1447 
1448 	switch (reg) {
1449 	case YDSXGR_SPDIFOUTCTRL: break;
1450 	case YDSXGR_SPDIFINCTRL: break;
1451 	default: return -EINVAL;
1452 	}
1453 	ucontrol->value.integer.value[0] =
1454 		(snd_ymfpci_readl(chip, reg) >> shift) & mask;
1455 	return 0;
1456 }
1457 
1458 static int snd_ymfpci_put_single(struct snd_kcontrol *kcontrol,
1459 				 struct snd_ctl_elem_value *ucontrol)
1460 {
1461 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1462 	int reg = kcontrol->private_value & 0xffff;
1463 	unsigned int shift = (kcontrol->private_value >> 16) & 0xff;
1464  	unsigned int mask = 1;
1465 	int change;
1466 	unsigned int val, oval;
1467 
1468 	switch (reg) {
1469 	case YDSXGR_SPDIFOUTCTRL: break;
1470 	case YDSXGR_SPDIFINCTRL: break;
1471 	default: return -EINVAL;
1472 	}
1473 	val = (ucontrol->value.integer.value[0] & mask);
1474 	val <<= shift;
1475 	spin_lock_irq(&chip->reg_lock);
1476 	oval = snd_ymfpci_readl(chip, reg);
1477 	val = (oval & ~(mask << shift)) | val;
1478 	change = val != oval;
1479 	snd_ymfpci_writel(chip, reg, val);
1480 	spin_unlock_irq(&chip->reg_lock);
1481 	return change;
1482 }
1483 
1484 static const DECLARE_TLV_DB_LINEAR(db_scale_native, TLV_DB_GAIN_MUTE, 0);
1485 
1486 #define YMFPCI_DOUBLE(xname, xindex, reg) \
1487 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1488   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
1489   .info = snd_ymfpci_info_double, \
1490   .get = snd_ymfpci_get_double, .put = snd_ymfpci_put_double, \
1491   .private_value = reg, \
1492   .tlv = { .p = db_scale_native } }
1493 
1494 static int snd_ymfpci_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1495 {
1496 	unsigned int reg = kcontrol->private_value;
1497 
1498 	if (reg < 0x80 || reg >= 0xc0)
1499 		return -EINVAL;
1500 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1501 	uinfo->count = 2;
1502 	uinfo->value.integer.min = 0;
1503 	uinfo->value.integer.max = 16383;
1504 	return 0;
1505 }
1506 
1507 static int snd_ymfpci_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1508 {
1509 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1510 	unsigned int reg = kcontrol->private_value;
1511 	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
1512 	unsigned int val;
1513 
1514 	if (reg < 0x80 || reg >= 0xc0)
1515 		return -EINVAL;
1516 	spin_lock_irq(&chip->reg_lock);
1517 	val = snd_ymfpci_readl(chip, reg);
1518 	spin_unlock_irq(&chip->reg_lock);
1519 	ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
1520 	ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
1521 	return 0;
1522 }
1523 
1524 static int snd_ymfpci_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1525 {
1526 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1527 	unsigned int reg = kcontrol->private_value;
1528 	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
1529 	int change;
1530 	unsigned int val1, val2, oval;
1531 
1532 	if (reg < 0x80 || reg >= 0xc0)
1533 		return -EINVAL;
1534 	val1 = ucontrol->value.integer.value[0] & mask;
1535 	val2 = ucontrol->value.integer.value[1] & mask;
1536 	val1 <<= shift_left;
1537 	val2 <<= shift_right;
1538 	spin_lock_irq(&chip->reg_lock);
1539 	oval = snd_ymfpci_readl(chip, reg);
1540 	val1 = (oval & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
1541 	change = val1 != oval;
1542 	snd_ymfpci_writel(chip, reg, val1);
1543 	spin_unlock_irq(&chip->reg_lock);
1544 	return change;
1545 }
1546 
1547 static int snd_ymfpci_put_nativedacvol(struct snd_kcontrol *kcontrol,
1548 				       struct snd_ctl_elem_value *ucontrol)
1549 {
1550 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1551 	unsigned int reg = YDSXGR_NATIVEDACOUTVOL;
1552 	unsigned int reg2 = YDSXGR_BUF441OUTVOL;
1553 	int change;
1554 	unsigned int value, oval;
1555 
1556 	value = ucontrol->value.integer.value[0] & 0x3fff;
1557 	value |= (ucontrol->value.integer.value[1] & 0x3fff) << 16;
1558 	spin_lock_irq(&chip->reg_lock);
1559 	oval = snd_ymfpci_readl(chip, reg);
1560 	change = value != oval;
1561 	snd_ymfpci_writel(chip, reg, value);
1562 	snd_ymfpci_writel(chip, reg2, value);
1563 	spin_unlock_irq(&chip->reg_lock);
1564 	return change;
1565 }
1566 
1567 /*
1568  * 4ch duplication
1569  */
1570 #define snd_ymfpci_info_dup4ch		snd_ctl_boolean_mono_info
1571 
1572 static int snd_ymfpci_get_dup4ch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1573 {
1574 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1575 	ucontrol->value.integer.value[0] = chip->mode_dup4ch;
1576 	return 0;
1577 }
1578 
1579 static int snd_ymfpci_put_dup4ch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1580 {
1581 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1582 	int change;
1583 	change = (ucontrol->value.integer.value[0] != chip->mode_dup4ch);
1584 	if (change)
1585 		chip->mode_dup4ch = !!ucontrol->value.integer.value[0];
1586 	return change;
1587 }
1588 
1589 
1590 static struct snd_kcontrol_new snd_ymfpci_controls[] __devinitdata = {
1591 {
1592 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1593 	.name = "Wave Playback Volume",
1594 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1595 		  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1596 	.info = snd_ymfpci_info_double,
1597 	.get = snd_ymfpci_get_double,
1598 	.put = snd_ymfpci_put_nativedacvol,
1599 	.private_value = YDSXGR_NATIVEDACOUTVOL,
1600 	.tlv = { .p = db_scale_native },
1601 },
1602 YMFPCI_DOUBLE("Wave Capture Volume", 0, YDSXGR_NATIVEDACLOOPVOL),
1603 YMFPCI_DOUBLE("Digital Capture Volume", 0, YDSXGR_NATIVEDACINVOL),
1604 YMFPCI_DOUBLE("Digital Capture Volume", 1, YDSXGR_NATIVEADCINVOL),
1605 YMFPCI_DOUBLE("ADC Playback Volume", 0, YDSXGR_PRIADCOUTVOL),
1606 YMFPCI_DOUBLE("ADC Capture Volume", 0, YDSXGR_PRIADCLOOPVOL),
1607 YMFPCI_DOUBLE("ADC Playback Volume", 1, YDSXGR_SECADCOUTVOL),
1608 YMFPCI_DOUBLE("ADC Capture Volume", 1, YDSXGR_SECADCLOOPVOL),
1609 YMFPCI_DOUBLE("FM Legacy Volume", 0, YDSXGR_LEGACYOUTVOL),
1610 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("AC97 ", PLAYBACK,VOLUME), 0, YDSXGR_ZVOUTVOL),
1611 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("", CAPTURE,VOLUME), 0, YDSXGR_ZVLOOPVOL),
1612 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("AC97 ",PLAYBACK,VOLUME), 1, YDSXGR_SPDIFOUTVOL),
1613 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,VOLUME), 1, YDSXGR_SPDIFLOOPVOL),
1614 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), 0, YDSXGR_SPDIFOUTCTRL, 0),
1615 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, YDSXGR_SPDIFINCTRL, 0),
1616 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("Loop",NONE,NONE), 0, YDSXGR_SPDIFINCTRL, 4),
1617 {
1618 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1619 	.name = "4ch Duplication",
1620 	.info = snd_ymfpci_info_dup4ch,
1621 	.get = snd_ymfpci_get_dup4ch,
1622 	.put = snd_ymfpci_put_dup4ch,
1623 },
1624 };
1625 
1626 
1627 /*
1628  * GPIO
1629  */
1630 
1631 static int snd_ymfpci_get_gpio_out(struct snd_ymfpci *chip, int pin)
1632 {
1633 	u16 reg, mode;
1634 	unsigned long flags;
1635 
1636 	spin_lock_irqsave(&chip->reg_lock, flags);
1637 	reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
1638 	reg &= ~(1 << (pin + 8));
1639 	reg |= (1 << pin);
1640 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
1641 	/* set the level mode for input line */
1642 	mode = snd_ymfpci_readw(chip, YDSXGR_GPIOTYPECONFIG);
1643 	mode &= ~(3 << (pin * 2));
1644 	snd_ymfpci_writew(chip, YDSXGR_GPIOTYPECONFIG, mode);
1645 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
1646 	mode = snd_ymfpci_readw(chip, YDSXGR_GPIOINSTATUS);
1647 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1648 	return (mode >> pin) & 1;
1649 }
1650 
1651 static int snd_ymfpci_set_gpio_out(struct snd_ymfpci *chip, int pin, int enable)
1652 {
1653 	u16 reg;
1654 	unsigned long flags;
1655 
1656 	spin_lock_irqsave(&chip->reg_lock, flags);
1657 	reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
1658 	reg &= ~(1 << pin);
1659 	reg &= ~(1 << (pin + 8));
1660 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
1661 	snd_ymfpci_writew(chip, YDSXGR_GPIOOUTCTRL, enable << pin);
1662 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
1663 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1664 
1665 	return 0;
1666 }
1667 
1668 #define snd_ymfpci_gpio_sw_info		snd_ctl_boolean_mono_info
1669 
1670 static int snd_ymfpci_gpio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1671 {
1672 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1673 	int pin = (int)kcontrol->private_value;
1674 	ucontrol->value.integer.value[0] = snd_ymfpci_get_gpio_out(chip, pin);
1675 	return 0;
1676 }
1677 
1678 static int snd_ymfpci_gpio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1679 {
1680 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1681 	int pin = (int)kcontrol->private_value;
1682 
1683 	if (snd_ymfpci_get_gpio_out(chip, pin) != ucontrol->value.integer.value[0]) {
1684 		snd_ymfpci_set_gpio_out(chip, pin, !!ucontrol->value.integer.value[0]);
1685 		ucontrol->value.integer.value[0] = snd_ymfpci_get_gpio_out(chip, pin);
1686 		return 1;
1687 	}
1688 	return 0;
1689 }
1690 
1691 static struct snd_kcontrol_new snd_ymfpci_rear_shared __devinitdata = {
1692 	.name = "Shared Rear/Line-In Switch",
1693 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1694 	.info = snd_ymfpci_gpio_sw_info,
1695 	.get = snd_ymfpci_gpio_sw_get,
1696 	.put = snd_ymfpci_gpio_sw_put,
1697 	.private_value = 2,
1698 };
1699 
1700 /*
1701  * PCM voice volume
1702  */
1703 
1704 static int snd_ymfpci_pcm_vol_info(struct snd_kcontrol *kcontrol,
1705 				   struct snd_ctl_elem_info *uinfo)
1706 {
1707 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1708 	uinfo->count = 2;
1709 	uinfo->value.integer.min = 0;
1710 	uinfo->value.integer.max = 0x8000;
1711 	return 0;
1712 }
1713 
1714 static int snd_ymfpci_pcm_vol_get(struct snd_kcontrol *kcontrol,
1715 				  struct snd_ctl_elem_value *ucontrol)
1716 {
1717 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1718 	unsigned int subs = kcontrol->id.subdevice;
1719 
1720 	ucontrol->value.integer.value[0] = chip->pcm_mixer[subs].left;
1721 	ucontrol->value.integer.value[1] = chip->pcm_mixer[subs].right;
1722 	return 0;
1723 }
1724 
1725 static int snd_ymfpci_pcm_vol_put(struct snd_kcontrol *kcontrol,
1726 				  struct snd_ctl_elem_value *ucontrol)
1727 {
1728 	struct snd_ymfpci *chip = snd_kcontrol_chip(kcontrol);
1729 	unsigned int subs = kcontrol->id.subdevice;
1730 	struct snd_pcm_substream *substream;
1731 	unsigned long flags;
1732 
1733 	if (ucontrol->value.integer.value[0] != chip->pcm_mixer[subs].left ||
1734 	    ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) {
1735 		chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0];
1736 		chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1];
1737 		if (chip->pcm_mixer[subs].left > 0x8000)
1738 			chip->pcm_mixer[subs].left = 0x8000;
1739 		if (chip->pcm_mixer[subs].right > 0x8000)
1740 			chip->pcm_mixer[subs].right = 0x8000;
1741 
1742 		substream = (struct snd_pcm_substream *)kcontrol->private_value;
1743 		spin_lock_irqsave(&chip->voice_lock, flags);
1744 		if (substream->runtime && substream->runtime->private_data) {
1745 			struct snd_ymfpci_pcm *ypcm = substream->runtime->private_data;
1746 			if (!ypcm->use_441_slot)
1747 				ypcm->update_pcm_vol = 2;
1748 		}
1749 		spin_unlock_irqrestore(&chip->voice_lock, flags);
1750 		return 1;
1751 	}
1752 	return 0;
1753 }
1754 
1755 static struct snd_kcontrol_new snd_ymfpci_pcm_volume __devinitdata = {
1756 	.iface = SNDRV_CTL_ELEM_IFACE_PCM,
1757 	.name = "PCM Playback Volume",
1758 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1759 		SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1760 	.info = snd_ymfpci_pcm_vol_info,
1761 	.get = snd_ymfpci_pcm_vol_get,
1762 	.put = snd_ymfpci_pcm_vol_put,
1763 };
1764 
1765 
1766 /*
1767  *  Mixer routines
1768  */
1769 
1770 static void snd_ymfpci_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1771 {
1772 	struct snd_ymfpci *chip = bus->private_data;
1773 	chip->ac97_bus = NULL;
1774 }
1775 
1776 static void snd_ymfpci_mixer_free_ac97(struct snd_ac97 *ac97)
1777 {
1778 	struct snd_ymfpci *chip = ac97->private_data;
1779 	chip->ac97 = NULL;
1780 }
1781 
1782 int __devinit snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch)
1783 {
1784 	struct snd_ac97_template ac97;
1785 	struct snd_kcontrol *kctl;
1786 	struct snd_pcm_substream *substream;
1787 	unsigned int idx;
1788 	int err;
1789 	static struct snd_ac97_bus_ops ops = {
1790 		.write = snd_ymfpci_codec_write,
1791 		.read = snd_ymfpci_codec_read,
1792 	};
1793 
1794 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1795 		return err;
1796 	chip->ac97_bus->private_free = snd_ymfpci_mixer_free_ac97_bus;
1797 	chip->ac97_bus->no_vra = 1; /* YMFPCI doesn't need VRA */
1798 
1799 	memset(&ac97, 0, sizeof(ac97));
1800 	ac97.private_data = chip;
1801 	ac97.private_free = snd_ymfpci_mixer_free_ac97;
1802 	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1803 		return err;
1804 
1805 	/* to be sure */
1806 	snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS,
1807 			     AC97_EA_VRA|AC97_EA_VRM, 0);
1808 
1809 	for (idx = 0; idx < ARRAY_SIZE(snd_ymfpci_controls); idx++) {
1810 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip))) < 0)
1811 			return err;
1812 	}
1813 
1814 	/* add S/PDIF control */
1815 	snd_assert(chip->pcm_spdif != NULL, return -EIO);
1816 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_default, chip))) < 0)
1817 		return err;
1818 	kctl->id.device = chip->pcm_spdif->device;
1819 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_mask, chip))) < 0)
1820 		return err;
1821 	kctl->id.device = chip->pcm_spdif->device;
1822 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_stream, chip))) < 0)
1823 		return err;
1824 	kctl->id.device = chip->pcm_spdif->device;
1825 	chip->spdif_pcm_ctl = kctl;
1826 
1827 	/* direct recording source */
1828 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_754 &&
1829 	    (err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_drec_source, chip))) < 0)
1830 		return err;
1831 
1832 	/*
1833 	 * shared rear/line-in
1834 	 */
1835 	if (rear_switch) {
1836 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_rear_shared, chip))) < 0)
1837 			return err;
1838 	}
1839 
1840 	/* per-voice volume */
1841 	substream = chip->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
1842 	for (idx = 0; idx < 32; ++idx) {
1843 		kctl = snd_ctl_new1(&snd_ymfpci_pcm_volume, chip);
1844 		if (!kctl)
1845 			return -ENOMEM;
1846 		kctl->id.device = chip->pcm->device;
1847 		kctl->id.subdevice = idx;
1848 		kctl->private_value = (unsigned long)substream;
1849 		if ((err = snd_ctl_add(chip->card, kctl)) < 0)
1850 			return err;
1851 		chip->pcm_mixer[idx].left = 0x8000;
1852 		chip->pcm_mixer[idx].right = 0x8000;
1853 		chip->pcm_mixer[idx].ctl = kctl;
1854 		substream = substream->next;
1855 	}
1856 
1857 	return 0;
1858 }
1859 
1860 
1861 /*
1862  * timer
1863  */
1864 
1865 static int snd_ymfpci_timer_start(struct snd_timer *timer)
1866 {
1867 	struct snd_ymfpci *chip;
1868 	unsigned long flags;
1869 	unsigned int count;
1870 
1871 	chip = snd_timer_chip(timer);
1872 	count = (timer->sticks << 1) - 1;
1873 	spin_lock_irqsave(&chip->reg_lock, flags);
1874 	snd_ymfpci_writew(chip, YDSXGR_TIMERCOUNT, count);
1875 	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x03);
1876 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1877 	return 0;
1878 }
1879 
1880 static int snd_ymfpci_timer_stop(struct snd_timer *timer)
1881 {
1882 	struct snd_ymfpci *chip;
1883 	unsigned long flags;
1884 
1885 	chip = snd_timer_chip(timer);
1886 	spin_lock_irqsave(&chip->reg_lock, flags);
1887 	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x00);
1888 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1889 	return 0;
1890 }
1891 
1892 static int snd_ymfpci_timer_precise_resolution(struct snd_timer *timer,
1893 					       unsigned long *num, unsigned long *den)
1894 {
1895 	*num = 1;
1896 	*den = 48000;
1897 	return 0;
1898 }
1899 
1900 static struct snd_timer_hardware snd_ymfpci_timer_hw = {
1901 	.flags = SNDRV_TIMER_HW_AUTO,
1902 	.resolution = 20833, /* 1/fs = 20.8333...us */
1903 	.ticks = 0x8000,
1904 	.start = snd_ymfpci_timer_start,
1905 	.stop = snd_ymfpci_timer_stop,
1906 	.precise_resolution = snd_ymfpci_timer_precise_resolution,
1907 };
1908 
1909 int __devinit snd_ymfpci_timer(struct snd_ymfpci *chip, int device)
1910 {
1911 	struct snd_timer *timer = NULL;
1912 	struct snd_timer_id tid;
1913 	int err;
1914 
1915 	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
1916 	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
1917 	tid.card = chip->card->number;
1918 	tid.device = device;
1919 	tid.subdevice = 0;
1920 	if ((err = snd_timer_new(chip->card, "YMFPCI", &tid, &timer)) >= 0) {
1921 		strcpy(timer->name, "YMFPCI timer");
1922 		timer->private_data = chip;
1923 		timer->hw = snd_ymfpci_timer_hw;
1924 	}
1925 	chip->timer = timer;
1926 	return err;
1927 }
1928 
1929 
1930 /*
1931  *  proc interface
1932  */
1933 
1934 static void snd_ymfpci_proc_read(struct snd_info_entry *entry,
1935 				 struct snd_info_buffer *buffer)
1936 {
1937 	struct snd_ymfpci *chip = entry->private_data;
1938 	int i;
1939 
1940 	snd_iprintf(buffer, "YMFPCI\n\n");
1941 	for (i = 0; i <= YDSXGR_WORKBASE; i += 4)
1942 		snd_iprintf(buffer, "%04x: %04x\n", i, snd_ymfpci_readl(chip, i));
1943 }
1944 
1945 static int __devinit snd_ymfpci_proc_init(struct snd_card *card, struct snd_ymfpci *chip)
1946 {
1947 	struct snd_info_entry *entry;
1948 
1949 	if (! snd_card_proc_new(card, "ymfpci", &entry))
1950 		snd_info_set_text_ops(entry, chip, snd_ymfpci_proc_read);
1951 	return 0;
1952 }
1953 
1954 /*
1955  *  initialization routines
1956  */
1957 
1958 static void snd_ymfpci_aclink_reset(struct pci_dev * pci)
1959 {
1960 	u8 cmd;
1961 
1962 	pci_read_config_byte(pci, PCIR_DSXG_CTRL, &cmd);
1963 #if 0 // force to reset
1964 	if (cmd & 0x03) {
1965 #endif
1966 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);
1967 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd | 0x03);
1968 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);
1969 		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL1, 0);
1970 		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL2, 0);
1971 #if 0
1972 	}
1973 #endif
1974 }
1975 
1976 static void snd_ymfpci_enable_dsp(struct snd_ymfpci *chip)
1977 {
1978 	snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000001);
1979 }
1980 
1981 static void snd_ymfpci_disable_dsp(struct snd_ymfpci *chip)
1982 {
1983 	u32 val;
1984 	int timeout = 1000;
1985 
1986 	val = snd_ymfpci_readl(chip, YDSXGR_CONFIG);
1987 	if (val)
1988 		snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000000);
1989 	while (timeout-- > 0) {
1990 		val = snd_ymfpci_readl(chip, YDSXGR_STATUS);
1991 		if ((val & 0x00000002) == 0)
1992 			break;
1993 	}
1994 }
1995 
1996 #ifdef CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL
1997 
1998 #include "ymfpci_image.h"
1999 
2000 static struct firmware snd_ymfpci_dsp_microcode = {
2001 	.size = YDSXG_DSPLENGTH,
2002 	.data = (u8 *)DspInst,
2003 };
2004 static struct firmware snd_ymfpci_controller_microcode = {
2005 	.size = YDSXG_CTRLLENGTH,
2006 	.data = (u8 *)CntrlInst,
2007 };
2008 static struct firmware snd_ymfpci_controller_1e_microcode = {
2009 	.size = YDSXG_CTRLLENGTH,
2010 	.data = (u8 *)CntrlInst1E,
2011 };
2012 #endif
2013 
2014 #ifdef CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL
2015 static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip)
2016 {
2017 	chip->dsp_microcode = &snd_ymfpci_dsp_microcode;
2018 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_724F ||
2019 	    chip->device_id == PCI_DEVICE_ID_YAMAHA_740C ||
2020 	    chip->device_id == PCI_DEVICE_ID_YAMAHA_744 ||
2021 	    chip->device_id == PCI_DEVICE_ID_YAMAHA_754)
2022 		chip->controller_microcode =
2023 			&snd_ymfpci_controller_1e_microcode;
2024 	else
2025 		chip->controller_microcode =
2026 			&snd_ymfpci_controller_microcode;
2027 	return 0;
2028 }
2029 
2030 #else /* use fw_loader */
2031 
2032 #ifdef __LITTLE_ENDIAN
2033 static inline void snd_ymfpci_convert_from_le(const struct firmware *fw) { }
2034 #else
2035 static void snd_ymfpci_convert_from_le(const struct firmware *fw)
2036 {
2037 	int i;
2038 	u32 *data = (u32 *)fw->data;
2039 
2040 	for (i = 0; i < fw->size / 4; ++i)
2041 		le32_to_cpus(&data[i]);
2042 }
2043 #endif
2044 
2045 static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip)
2046 {
2047 	int err, is_1e;
2048 	const char *name;
2049 
2050 	err = request_firmware(&chip->dsp_microcode, "yamaha/ds1_dsp.fw",
2051 			       &chip->pci->dev);
2052 	if (err >= 0) {
2053 		if (chip->dsp_microcode->size == YDSXG_DSPLENGTH)
2054 			snd_ymfpci_convert_from_le(chip->dsp_microcode);
2055 		else {
2056 			snd_printk(KERN_ERR "DSP microcode has wrong size\n");
2057 			err = -EINVAL;
2058 		}
2059 	}
2060 	if (err < 0)
2061 		return err;
2062 	is_1e = chip->device_id == PCI_DEVICE_ID_YAMAHA_724F ||
2063 		chip->device_id == PCI_DEVICE_ID_YAMAHA_740C ||
2064 		chip->device_id == PCI_DEVICE_ID_YAMAHA_744 ||
2065 		chip->device_id == PCI_DEVICE_ID_YAMAHA_754;
2066 	name = is_1e ? "yamaha/ds1e_ctrl.fw" : "yamaha/ds1_ctrl.fw";
2067 	err = request_firmware(&chip->controller_microcode, name,
2068 			       &chip->pci->dev);
2069 	if (err >= 0) {
2070 		if (chip->controller_microcode->size == YDSXG_CTRLLENGTH)
2071 			snd_ymfpci_convert_from_le(chip->controller_microcode);
2072 		else {
2073 			snd_printk(KERN_ERR "controller microcode"
2074 				   " has wrong size\n");
2075 			err = -EINVAL;
2076 		}
2077 	}
2078 	if (err < 0)
2079 		return err;
2080 	return 0;
2081 }
2082 
2083 MODULE_FIRMWARE("yamaha/ds1_dsp.fw");
2084 MODULE_FIRMWARE("yamaha/ds1_ctrl.fw");
2085 MODULE_FIRMWARE("yamaha/ds1e_ctrl.fw");
2086 
2087 #endif
2088 
2089 static void snd_ymfpci_download_image(struct snd_ymfpci *chip)
2090 {
2091 	int i;
2092 	u16 ctrl;
2093 	u32 *inst;
2094 
2095 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000);
2096 	snd_ymfpci_disable_dsp(chip);
2097 	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00010000);
2098 	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00000000);
2099 	snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, 0x00000000);
2100 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT, 0x00000000);
2101 	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0x00000000);
2102 	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0x00000000);
2103 	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0x00000000);
2104 	ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
2105 	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
2106 
2107 	/* setup DSP instruction code */
2108 	inst = (u32 *)chip->dsp_microcode->data;
2109 	for (i = 0; i < YDSXG_DSPLENGTH / 4; i++)
2110 		snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), inst[i]);
2111 
2112 	/* setup control instruction code */
2113 	inst = (u32 *)chip->controller_microcode->data;
2114 	for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++)
2115 		snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), inst[i]);
2116 
2117 	snd_ymfpci_enable_dsp(chip);
2118 }
2119 
2120 static int __devinit snd_ymfpci_memalloc(struct snd_ymfpci *chip)
2121 {
2122 	long size, playback_ctrl_size;
2123 	int voice, bank, reg;
2124 	u8 *ptr;
2125 	dma_addr_t ptr_addr;
2126 
2127 	playback_ctrl_size = 4 + 4 * YDSXG_PLAYBACK_VOICES;
2128 	chip->bank_size_playback = snd_ymfpci_readl(chip, YDSXGR_PLAYCTRLSIZE) << 2;
2129 	chip->bank_size_capture = snd_ymfpci_readl(chip, YDSXGR_RECCTRLSIZE) << 2;
2130 	chip->bank_size_effect = snd_ymfpci_readl(chip, YDSXGR_EFFCTRLSIZE) << 2;
2131 	chip->work_size = YDSXG_DEFAULT_WORK_SIZE;
2132 
2133 	size = ALIGN(playback_ctrl_size, 0x100) +
2134 	       ALIGN(chip->bank_size_playback * 2 * YDSXG_PLAYBACK_VOICES, 0x100) +
2135 	       ALIGN(chip->bank_size_capture * 2 * YDSXG_CAPTURE_VOICES, 0x100) +
2136 	       ALIGN(chip->bank_size_effect * 2 * YDSXG_EFFECT_VOICES, 0x100) +
2137 	       chip->work_size;
2138 	/* work_ptr must be aligned to 256 bytes, but it's already
2139 	   covered with the kernel page allocation mechanism */
2140 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
2141 				size, &chip->work_ptr) < 0)
2142 		return -ENOMEM;
2143 	ptr = chip->work_ptr.area;
2144 	ptr_addr = chip->work_ptr.addr;
2145 	memset(ptr, 0, size);	/* for sure */
2146 
2147 	chip->bank_base_playback = ptr;
2148 	chip->bank_base_playback_addr = ptr_addr;
2149 	chip->ctrl_playback = (u32 *)ptr;
2150 	chip->ctrl_playback[0] = cpu_to_le32(YDSXG_PLAYBACK_VOICES);
2151 	ptr += ALIGN(playback_ctrl_size, 0x100);
2152 	ptr_addr += ALIGN(playback_ctrl_size, 0x100);
2153 	for (voice = 0; voice < YDSXG_PLAYBACK_VOICES; voice++) {
2154 		chip->voices[voice].number = voice;
2155 		chip->voices[voice].bank = (struct snd_ymfpci_playback_bank *)ptr;
2156 		chip->voices[voice].bank_addr = ptr_addr;
2157 		for (bank = 0; bank < 2; bank++) {
2158 			chip->bank_playback[voice][bank] = (struct snd_ymfpci_playback_bank *)ptr;
2159 			ptr += chip->bank_size_playback;
2160 			ptr_addr += chip->bank_size_playback;
2161 		}
2162 	}
2163 	ptr = (char *)ALIGN((unsigned long)ptr, 0x100);
2164 	ptr_addr = ALIGN(ptr_addr, 0x100);
2165 	chip->bank_base_capture = ptr;
2166 	chip->bank_base_capture_addr = ptr_addr;
2167 	for (voice = 0; voice < YDSXG_CAPTURE_VOICES; voice++)
2168 		for (bank = 0; bank < 2; bank++) {
2169 			chip->bank_capture[voice][bank] = (struct snd_ymfpci_capture_bank *)ptr;
2170 			ptr += chip->bank_size_capture;
2171 			ptr_addr += chip->bank_size_capture;
2172 		}
2173 	ptr = (char *)ALIGN((unsigned long)ptr, 0x100);
2174 	ptr_addr = ALIGN(ptr_addr, 0x100);
2175 	chip->bank_base_effect = ptr;
2176 	chip->bank_base_effect_addr = ptr_addr;
2177 	for (voice = 0; voice < YDSXG_EFFECT_VOICES; voice++)
2178 		for (bank = 0; bank < 2; bank++) {
2179 			chip->bank_effect[voice][bank] = (struct snd_ymfpci_effect_bank *)ptr;
2180 			ptr += chip->bank_size_effect;
2181 			ptr_addr += chip->bank_size_effect;
2182 		}
2183 	ptr = (char *)ALIGN((unsigned long)ptr, 0x100);
2184 	ptr_addr = ALIGN(ptr_addr, 0x100);
2185 	chip->work_base = ptr;
2186 	chip->work_base_addr = ptr_addr;
2187 
2188 	snd_assert(ptr + chip->work_size == chip->work_ptr.area + chip->work_ptr.bytes, );
2189 
2190 	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr);
2191 	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, chip->bank_base_capture_addr);
2192 	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, chip->bank_base_effect_addr);
2193 	snd_ymfpci_writel(chip, YDSXGR_WORKBASE, chip->work_base_addr);
2194 	snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, chip->work_size >> 2);
2195 
2196 	/* S/PDIF output initialization */
2197 	chip->spdif_bits = chip->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF & 0xffff;
2198 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL, 0);
2199 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
2200 
2201 	/* S/PDIF input initialization */
2202 	snd_ymfpci_writew(chip, YDSXGR_SPDIFINCTRL, 0);
2203 
2204 	/* digital mixer setup */
2205 	for (reg = 0x80; reg < 0xc0; reg += 4)
2206 		snd_ymfpci_writel(chip, reg, 0);
2207 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff);
2208 	snd_ymfpci_writel(chip, YDSXGR_ZVOUTVOL, 0x3fff3fff);
2209 	snd_ymfpci_writel(chip, YDSXGR_SPDIFOUTVOL, 0x3fff3fff);
2210 	snd_ymfpci_writel(chip, YDSXGR_NATIVEADCINVOL, 0x3fff3fff);
2211 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACINVOL, 0x3fff3fff);
2212 	snd_ymfpci_writel(chip, YDSXGR_PRIADCLOOPVOL, 0x3fff3fff);
2213 	snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0x3fff3fff);
2214 
2215 	return 0;
2216 }
2217 
2218 static int snd_ymfpci_free(struct snd_ymfpci *chip)
2219 {
2220 	u16 ctrl;
2221 
2222 	snd_assert(chip != NULL, return -EINVAL);
2223 
2224 	if (chip->res_reg_area) {	/* don't touch busy hardware */
2225 		snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
2226 		snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0);
2227 		snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0);
2228 		snd_ymfpci_writel(chip, YDSXGR_STATUS, ~0);
2229 		snd_ymfpci_disable_dsp(chip);
2230 		snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0);
2231 		snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0);
2232 		snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0);
2233 		snd_ymfpci_writel(chip, YDSXGR_WORKBASE, 0);
2234 		snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, 0);
2235 		ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
2236 		snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
2237 	}
2238 
2239 	snd_ymfpci_ac3_done(chip);
2240 
2241 	/* Set PCI device to D3 state */
2242 #if 0
2243 	/* FIXME: temporarily disabled, otherwise we cannot fire up
2244 	 * the chip again unless reboot.  ACPI bug?
2245 	 */
2246 	pci_set_power_state(chip->pci, 3);
2247 #endif
2248 
2249 #ifdef CONFIG_PM
2250 	vfree(chip->saved_regs);
2251 #endif
2252 	release_and_free_resource(chip->mpu_res);
2253 	release_and_free_resource(chip->fm_res);
2254 	snd_ymfpci_free_gameport(chip);
2255 	if (chip->reg_area_virt)
2256 		iounmap(chip->reg_area_virt);
2257 	if (chip->work_ptr.area)
2258 		snd_dma_free_pages(&chip->work_ptr);
2259 
2260 	if (chip->irq >= 0)
2261 		free_irq(chip->irq, chip);
2262 	release_and_free_resource(chip->res_reg_area);
2263 
2264 	pci_write_config_word(chip->pci, 0x40, chip->old_legacy_ctrl);
2265 
2266 	pci_disable_device(chip->pci);
2267 #ifndef CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL
2268 	release_firmware(chip->dsp_microcode);
2269 	release_firmware(chip->controller_microcode);
2270 #endif
2271 	kfree(chip);
2272 	return 0;
2273 }
2274 
2275 static int snd_ymfpci_dev_free(struct snd_device *device)
2276 {
2277 	struct snd_ymfpci *chip = device->device_data;
2278 	return snd_ymfpci_free(chip);
2279 }
2280 
2281 #ifdef CONFIG_PM
2282 static int saved_regs_index[] = {
2283 	/* spdif */
2284 	YDSXGR_SPDIFOUTCTRL,
2285 	YDSXGR_SPDIFOUTSTATUS,
2286 	YDSXGR_SPDIFINCTRL,
2287 	/* volumes */
2288 	YDSXGR_PRIADCLOOPVOL,
2289 	YDSXGR_NATIVEDACINVOL,
2290 	YDSXGR_NATIVEDACOUTVOL,
2291 	YDSXGR_BUF441OUTVOL,
2292 	YDSXGR_NATIVEADCINVOL,
2293 	YDSXGR_SPDIFLOOPVOL,
2294 	YDSXGR_SPDIFOUTVOL,
2295 	YDSXGR_ZVOUTVOL,
2296 	YDSXGR_LEGACYOUTVOL,
2297 	/* address bases */
2298 	YDSXGR_PLAYCTRLBASE,
2299 	YDSXGR_RECCTRLBASE,
2300 	YDSXGR_EFFCTRLBASE,
2301 	YDSXGR_WORKBASE,
2302 	/* capture set up */
2303 	YDSXGR_MAPOFREC,
2304 	YDSXGR_RECFORMAT,
2305 	YDSXGR_RECSLOTSR,
2306 	YDSXGR_ADCFORMAT,
2307 	YDSXGR_ADCSLOTSR,
2308 };
2309 #define YDSXGR_NUM_SAVED_REGS	ARRAY_SIZE(saved_regs_index)
2310 
2311 int snd_ymfpci_suspend(struct pci_dev *pci, pm_message_t state)
2312 {
2313 	struct snd_card *card = pci_get_drvdata(pci);
2314 	struct snd_ymfpci *chip = card->private_data;
2315 	unsigned int i;
2316 
2317 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2318 	snd_pcm_suspend_all(chip->pcm);
2319 	snd_pcm_suspend_all(chip->pcm2);
2320 	snd_pcm_suspend_all(chip->pcm_spdif);
2321 	snd_pcm_suspend_all(chip->pcm_4ch);
2322 	snd_ac97_suspend(chip->ac97);
2323 	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)
2324 		chip->saved_regs[i] = snd_ymfpci_readl(chip, saved_regs_index[i]);
2325 	chip->saved_ydsxgr_mode = snd_ymfpci_readl(chip, YDSXGR_MODE);
2326 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
2327 	snd_ymfpci_disable_dsp(chip);
2328 	pci_disable_device(pci);
2329 	pci_save_state(pci);
2330 	pci_set_power_state(pci, pci_choose_state(pci, state));
2331 	return 0;
2332 }
2333 
2334 int snd_ymfpci_resume(struct pci_dev *pci)
2335 {
2336 	struct snd_card *card = pci_get_drvdata(pci);
2337 	struct snd_ymfpci *chip = card->private_data;
2338 	unsigned int i;
2339 
2340 	pci_set_power_state(pci, PCI_D0);
2341 	pci_restore_state(pci);
2342 	if (pci_enable_device(pci) < 0) {
2343 		printk(KERN_ERR "ymfpci: pci_enable_device failed, "
2344 		       "disabling device\n");
2345 		snd_card_disconnect(card);
2346 		return -EIO;
2347 	}
2348 	pci_set_master(pci);
2349 	snd_ymfpci_aclink_reset(pci);
2350 	snd_ymfpci_codec_ready(chip, 0);
2351 	snd_ymfpci_download_image(chip);
2352 	udelay(100);
2353 
2354 	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)
2355 		snd_ymfpci_writel(chip, saved_regs_index[i], chip->saved_regs[i]);
2356 
2357 	snd_ac97_resume(chip->ac97);
2358 
2359 	/* start hw again */
2360 	if (chip->start_count > 0) {
2361 		spin_lock_irq(&chip->reg_lock);
2362 		snd_ymfpci_writel(chip, YDSXGR_MODE, chip->saved_ydsxgr_mode);
2363 		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT);
2364 		spin_unlock_irq(&chip->reg_lock);
2365 	}
2366 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2367 	return 0;
2368 }
2369 #endif /* CONFIG_PM */
2370 
2371 int __devinit snd_ymfpci_create(struct snd_card *card,
2372 				struct pci_dev * pci,
2373 				unsigned short old_legacy_ctrl,
2374 				struct snd_ymfpci ** rchip)
2375 {
2376 	struct snd_ymfpci *chip;
2377 	int err;
2378 	static struct snd_device_ops ops = {
2379 		.dev_free =	snd_ymfpci_dev_free,
2380 	};
2381 
2382 	*rchip = NULL;
2383 
2384 	/* enable PCI device */
2385 	if ((err = pci_enable_device(pci)) < 0)
2386 		return err;
2387 
2388 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2389 	if (chip == NULL) {
2390 		pci_disable_device(pci);
2391 		return -ENOMEM;
2392 	}
2393 	chip->old_legacy_ctrl = old_legacy_ctrl;
2394 	spin_lock_init(&chip->reg_lock);
2395 	spin_lock_init(&chip->voice_lock);
2396 	init_waitqueue_head(&chip->interrupt_sleep);
2397 	atomic_set(&chip->interrupt_sleep_count, 0);
2398 	chip->card = card;
2399 	chip->pci = pci;
2400 	chip->irq = -1;
2401 	chip->device_id = pci->device;
2402 	chip->rev = pci->revision;
2403 	chip->reg_area_phys = pci_resource_start(pci, 0);
2404 	chip->reg_area_virt = ioremap_nocache(chip->reg_area_phys, 0x8000);
2405 	pci_set_master(pci);
2406 	chip->src441_used = -1;
2407 
2408 	if ((chip->res_reg_area = request_mem_region(chip->reg_area_phys, 0x8000, "YMFPCI")) == NULL) {
2409 		snd_printk(KERN_ERR "unable to grab memory region 0x%lx-0x%lx\n", chip->reg_area_phys, chip->reg_area_phys + 0x8000 - 1);
2410 		snd_ymfpci_free(chip);
2411 		return -EBUSY;
2412 	}
2413 	if (request_irq(pci->irq, snd_ymfpci_interrupt, IRQF_SHARED,
2414 			"YMFPCI", chip)) {
2415 		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2416 		snd_ymfpci_free(chip);
2417 		return -EBUSY;
2418 	}
2419 	chip->irq = pci->irq;
2420 
2421 	snd_ymfpci_aclink_reset(pci);
2422 	if (snd_ymfpci_codec_ready(chip, 0) < 0) {
2423 		snd_ymfpci_free(chip);
2424 		return -EIO;
2425 	}
2426 
2427 	err = snd_ymfpci_request_firmware(chip);
2428 	if (err < 0) {
2429 		snd_printk(KERN_ERR "firmware request failed: %d\n", err);
2430 		snd_ymfpci_free(chip);
2431 		return err;
2432 	}
2433 	snd_ymfpci_download_image(chip);
2434 
2435 	udelay(100); /* seems we need a delay after downloading image.. */
2436 
2437 	if (snd_ymfpci_memalloc(chip) < 0) {
2438 		snd_ymfpci_free(chip);
2439 		return -EIO;
2440 	}
2441 
2442 	if ((err = snd_ymfpci_ac3_init(chip)) < 0) {
2443 		snd_ymfpci_free(chip);
2444 		return err;
2445 	}
2446 
2447 #ifdef CONFIG_PM
2448 	chip->saved_regs = vmalloc(YDSXGR_NUM_SAVED_REGS * sizeof(u32));
2449 	if (chip->saved_regs == NULL) {
2450 		snd_ymfpci_free(chip);
2451 		return -ENOMEM;
2452 	}
2453 #endif
2454 
2455 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2456 		snd_ymfpci_free(chip);
2457 		return err;
2458 	}
2459 
2460 	snd_ymfpci_proc_init(card, chip);
2461 
2462 	snd_card_set_dev(card, &pci->dev);
2463 
2464 	*rchip = chip;
2465 	return 0;
2466 }
2467