xref: /linux/sound/pci/ymfpci/ymfpci_main.c (revision d67b569f5f620c0fb95d5212642746b7ba9d29e4)
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3  *  Routines for control of YMF724/740/744/754 chips
4  *
5  *  BUGS:
6  *    --
7  *
8  *  TODO:
9  *    --
10  *
11  *   This program is free software; you can redistribute it and/or modify
12  *   it under the terms of the GNU General Public License as published by
13  *   the Free Software Foundation; either version 2 of the License, or
14  *   (at your option) any later version.
15  *
16  *   This program is distributed in the hope that it will be useful,
17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  *   GNU General Public License for more details.
20  *
21  *   You should have received a copy of the GNU General Public License
22  *   along with this program; if not, write to the Free Software
23  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
24  *
25  */
26 
27 #include <sound/driver.h>
28 #include <linux/delay.h>
29 #include <linux/init.h>
30 #include <linux/interrupt.h>
31 #include <linux/pci.h>
32 #include <linux/sched.h>
33 #include <linux/slab.h>
34 #include <linux/vmalloc.h>
35 
36 #include <sound/core.h>
37 #include <sound/control.h>
38 #include <sound/info.h>
39 #include <sound/ymfpci.h>
40 #include <sound/asoundef.h>
41 #include <sound/mpu401.h>
42 
43 #include <asm/io.h>
44 
45 /*
46  *  constants
47  */
48 
49 /*
50  *  common I/O routines
51  */
52 
53 static void snd_ymfpci_irq_wait(ymfpci_t *chip);
54 
55 static inline u8 snd_ymfpci_readb(ymfpci_t *chip, u32 offset)
56 {
57 	return readb(chip->reg_area_virt + offset);
58 }
59 
60 static inline void snd_ymfpci_writeb(ymfpci_t *chip, u32 offset, u8 val)
61 {
62 	writeb(val, chip->reg_area_virt + offset);
63 }
64 
65 static inline u16 snd_ymfpci_readw(ymfpci_t *chip, u32 offset)
66 {
67 	return readw(chip->reg_area_virt + offset);
68 }
69 
70 static inline void snd_ymfpci_writew(ymfpci_t *chip, u32 offset, u16 val)
71 {
72 	writew(val, chip->reg_area_virt + offset);
73 }
74 
75 static inline u32 snd_ymfpci_readl(ymfpci_t *chip, u32 offset)
76 {
77 	return readl(chip->reg_area_virt + offset);
78 }
79 
80 static inline void snd_ymfpci_writel(ymfpci_t *chip, u32 offset, u32 val)
81 {
82 	writel(val, chip->reg_area_virt + offset);
83 }
84 
85 static int snd_ymfpci_codec_ready(ymfpci_t *chip, int secondary)
86 {
87 	signed long end_time;
88 	u32 reg = secondary ? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR;
89 
90 	end_time = (jiffies + ((3 * HZ) / 4)) + 1;
91 	do {
92 		if ((snd_ymfpci_readw(chip, reg) & 0x8000) == 0)
93 			return 0;
94 		set_current_state(TASK_UNINTERRUPTIBLE);
95 		schedule_timeout(1);
96 	} while (end_time - (signed long)jiffies >= 0);
97 	snd_printk("codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_ymfpci_readw(chip, reg));
98 	return -EBUSY;
99 }
100 
101 static void snd_ymfpci_codec_write(ac97_t *ac97, u16 reg, u16 val)
102 {
103 	ymfpci_t *chip = ac97->private_data;
104 	u32 cmd;
105 
106 	snd_ymfpci_codec_ready(chip, 0);
107 	cmd = ((YDSXG_AC97WRITECMD | reg) << 16) | val;
108 	snd_ymfpci_writel(chip, YDSXGR_AC97CMDDATA, cmd);
109 }
110 
111 static u16 snd_ymfpci_codec_read(ac97_t *ac97, u16 reg)
112 {
113 	ymfpci_t *chip = ac97->private_data;
114 
115 	if (snd_ymfpci_codec_ready(chip, 0))
116 		return ~0;
117 	snd_ymfpci_writew(chip, YDSXGR_AC97CMDADR, YDSXG_AC97READCMD | reg);
118 	if (snd_ymfpci_codec_ready(chip, 0))
119 		return ~0;
120 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_744 && chip->rev < 2) {
121 		int i;
122 		for (i = 0; i < 600; i++)
123 			snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
124 	}
125 	return snd_ymfpci_readw(chip, YDSXGR_PRISTATUSDATA);
126 }
127 
128 /*
129  *  Misc routines
130  */
131 
132 static u32 snd_ymfpci_calc_delta(u32 rate)
133 {
134 	switch (rate) {
135 	case 8000:	return 0x02aaab00;
136 	case 11025:	return 0x03accd00;
137 	case 16000:	return 0x05555500;
138 	case 22050:	return 0x07599a00;
139 	case 32000:	return 0x0aaaab00;
140 	case 44100:	return 0x0eb33300;
141 	default:	return ((rate << 16) / 375) << 5;
142 	}
143 }
144 
145 static u32 def_rate[8] = {
146 	100, 2000, 8000, 11025, 16000, 22050, 32000, 48000
147 };
148 
149 static u32 snd_ymfpci_calc_lpfK(u32 rate)
150 {
151 	u32 i;
152 	static u32 val[8] = {
153 		0x00570000, 0x06AA0000, 0x18B20000, 0x20930000,
154 		0x2B9A0000, 0x35A10000, 0x3EAA0000, 0x40000000
155 	};
156 
157 	if (rate == 44100)
158 		return 0x40000000;	/* FIXME: What's the right value? */
159 	for (i = 0; i < 8; i++)
160 		if (rate <= def_rate[i])
161 			return val[i];
162 	return val[0];
163 }
164 
165 static u32 snd_ymfpci_calc_lpfQ(u32 rate)
166 {
167 	u32 i;
168 	static u32 val[8] = {
169 		0x35280000, 0x34A70000, 0x32020000, 0x31770000,
170 		0x31390000, 0x31C90000, 0x33D00000, 0x40000000
171 	};
172 
173 	if (rate == 44100)
174 		return 0x370A0000;
175 	for (i = 0; i < 8; i++)
176 		if (rate <= def_rate[i])
177 			return val[i];
178 	return val[0];
179 }
180 
181 /*
182  *  Hardware start management
183  */
184 
185 static void snd_ymfpci_hw_start(ymfpci_t *chip)
186 {
187 	unsigned long flags;
188 
189 	spin_lock_irqsave(&chip->reg_lock, flags);
190 	if (chip->start_count++ > 0)
191 		goto __end;
192 	snd_ymfpci_writel(chip, YDSXGR_MODE,
193 			  snd_ymfpci_readl(chip, YDSXGR_MODE) | 3);
194 	chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
195       __end:
196       	spin_unlock_irqrestore(&chip->reg_lock, flags);
197 }
198 
199 static void snd_ymfpci_hw_stop(ymfpci_t *chip)
200 {
201 	unsigned long flags;
202 	long timeout = 1000;
203 
204 	spin_lock_irqsave(&chip->reg_lock, flags);
205 	if (--chip->start_count > 0)
206 		goto __end;
207 	snd_ymfpci_writel(chip, YDSXGR_MODE,
208 			  snd_ymfpci_readl(chip, YDSXGR_MODE) & ~3);
209 	while (timeout-- > 0) {
210 		if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0)
211 			break;
212 	}
213 	if (atomic_read(&chip->interrupt_sleep_count)) {
214 		atomic_set(&chip->interrupt_sleep_count, 0);
215 		wake_up(&chip->interrupt_sleep);
216 	}
217       __end:
218       	spin_unlock_irqrestore(&chip->reg_lock, flags);
219 }
220 
221 /*
222  *  Playback voice management
223  */
224 
225 static int voice_alloc(ymfpci_t *chip, ymfpci_voice_type_t type, int pair, ymfpci_voice_t **rvoice)
226 {
227 	ymfpci_voice_t *voice, *voice2;
228 	int idx;
229 
230 	*rvoice = NULL;
231 	for (idx = 0; idx < YDSXG_PLAYBACK_VOICES; idx += pair ? 2 : 1) {
232 		voice = &chip->voices[idx];
233 		voice2 = pair ? &chip->voices[idx+1] : NULL;
234 		if (voice->use || (voice2 && voice2->use))
235 			continue;
236 		voice->use = 1;
237 		if (voice2)
238 			voice2->use = 1;
239 		switch (type) {
240 		case YMFPCI_PCM:
241 			voice->pcm = 1;
242 			if (voice2)
243 				voice2->pcm = 1;
244 			break;
245 		case YMFPCI_SYNTH:
246 			voice->synth = 1;
247 			break;
248 		case YMFPCI_MIDI:
249 			voice->midi = 1;
250 			break;
251 		}
252 		snd_ymfpci_hw_start(chip);
253 		if (voice2)
254 			snd_ymfpci_hw_start(chip);
255 		*rvoice = voice;
256 		return 0;
257 	}
258 	return -ENOMEM;
259 }
260 
261 static int snd_ymfpci_voice_alloc(ymfpci_t *chip, ymfpci_voice_type_t type, int pair, ymfpci_voice_t **rvoice)
262 {
263 	unsigned long flags;
264 	int result;
265 
266 	snd_assert(rvoice != NULL, return -EINVAL);
267 	snd_assert(!pair || type == YMFPCI_PCM, return -EINVAL);
268 
269 	spin_lock_irqsave(&chip->voice_lock, flags);
270 	for (;;) {
271 		result = voice_alloc(chip, type, pair, rvoice);
272 		if (result == 0 || type != YMFPCI_PCM)
273 			break;
274 		/* TODO: synth/midi voice deallocation */
275 		break;
276 	}
277 	spin_unlock_irqrestore(&chip->voice_lock, flags);
278 	return result;
279 }
280 
281 static int snd_ymfpci_voice_free(ymfpci_t *chip, ymfpci_voice_t *pvoice)
282 {
283 	unsigned long flags;
284 
285 	snd_assert(pvoice != NULL, return -EINVAL);
286 	snd_ymfpci_hw_stop(chip);
287 	spin_lock_irqsave(&chip->voice_lock, flags);
288 	pvoice->use = pvoice->pcm = pvoice->synth = pvoice->midi = 0;
289 	pvoice->ypcm = NULL;
290 	pvoice->interrupt = NULL;
291 	spin_unlock_irqrestore(&chip->voice_lock, flags);
292 	return 0;
293 }
294 
295 /*
296  *  PCM part
297  */
298 
299 static void snd_ymfpci_pcm_interrupt(ymfpci_t *chip, ymfpci_voice_t *voice)
300 {
301 	ymfpci_pcm_t *ypcm;
302 	u32 pos, delta;
303 
304 	if ((ypcm = voice->ypcm) == NULL)
305 		return;
306 	if (ypcm->substream == NULL)
307 		return;
308 	spin_lock(&chip->reg_lock);
309 	if (ypcm->running) {
310 		pos = le32_to_cpu(voice->bank[chip->active_bank].start);
311 		if (pos < ypcm->last_pos)
312 			delta = pos + (ypcm->buffer_size - ypcm->last_pos);
313 		else
314 			delta = pos - ypcm->last_pos;
315 		ypcm->period_pos += delta;
316 		ypcm->last_pos = pos;
317 		if (ypcm->period_pos >= ypcm->period_size) {
318 			// printk("done - active_bank = 0x%x, start = 0x%x\n", chip->active_bank, voice->bank[chip->active_bank].start);
319 			ypcm->period_pos %= ypcm->period_size;
320 			spin_unlock(&chip->reg_lock);
321 			snd_pcm_period_elapsed(ypcm->substream);
322 			spin_lock(&chip->reg_lock);
323 		}
324 	}
325 	spin_unlock(&chip->reg_lock);
326 }
327 
328 static void snd_ymfpci_pcm_capture_interrupt(snd_pcm_substream_t *substream)
329 {
330 	snd_pcm_runtime_t *runtime = substream->runtime;
331 	ymfpci_pcm_t *ypcm = runtime->private_data;
332 	ymfpci_t *chip = ypcm->chip;
333 	u32 pos, delta;
334 
335 	spin_lock(&chip->reg_lock);
336 	if (ypcm->running) {
337 		pos = le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
338 		if (pos < ypcm->last_pos)
339 			delta = pos + (ypcm->buffer_size - ypcm->last_pos);
340 		else
341 			delta = pos - ypcm->last_pos;
342 		ypcm->period_pos += delta;
343 		ypcm->last_pos = pos;
344 		if (ypcm->period_pos >= ypcm->period_size) {
345 			ypcm->period_pos %= ypcm->period_size;
346 			// printk("done - active_bank = 0x%x, start = 0x%x\n", chip->active_bank, voice->bank[chip->active_bank].start);
347 			spin_unlock(&chip->reg_lock);
348 			snd_pcm_period_elapsed(substream);
349 			spin_lock(&chip->reg_lock);
350 		}
351 	}
352 	spin_unlock(&chip->reg_lock);
353 }
354 
355 static int snd_ymfpci_playback_trigger(snd_pcm_substream_t * substream,
356 				       int cmd)
357 {
358 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
359 	ymfpci_pcm_t *ypcm = substream->runtime->private_data;
360 	int result = 0;
361 
362 	spin_lock(&chip->reg_lock);
363 	if (ypcm->voices[0] == NULL) {
364 		result = -EINVAL;
365 		goto __unlock;
366 	}
367 	switch (cmd) {
368 	case SNDRV_PCM_TRIGGER_START:
369 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
370 	case SNDRV_PCM_TRIGGER_RESUME:
371 		chip->ctrl_playback[ypcm->voices[0]->number + 1] = cpu_to_le32(ypcm->voices[0]->bank_addr);
372 		if (ypcm->voices[1] != NULL)
373 			chip->ctrl_playback[ypcm->voices[1]->number + 1] = cpu_to_le32(ypcm->voices[1]->bank_addr);
374 		ypcm->running = 1;
375 		break;
376 	case SNDRV_PCM_TRIGGER_STOP:
377 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
378 	case SNDRV_PCM_TRIGGER_SUSPEND:
379 		chip->ctrl_playback[ypcm->voices[0]->number + 1] = 0;
380 		if (ypcm->voices[1] != NULL)
381 			chip->ctrl_playback[ypcm->voices[1]->number + 1] = 0;
382 		ypcm->running = 0;
383 		break;
384 	default:
385 		result = -EINVAL;
386 		break;
387 	}
388       __unlock:
389 	spin_unlock(&chip->reg_lock);
390 	return result;
391 }
392 static int snd_ymfpci_capture_trigger(snd_pcm_substream_t * substream,
393 				      int cmd)
394 {
395 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
396 	ymfpci_pcm_t *ypcm = substream->runtime->private_data;
397 	int result = 0;
398 	u32 tmp;
399 
400 	spin_lock(&chip->reg_lock);
401 	switch (cmd) {
402 	case SNDRV_PCM_TRIGGER_START:
403 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
404 	case SNDRV_PCM_TRIGGER_RESUME:
405 		tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) | (1 << ypcm->capture_bank_number);
406 		snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
407 		ypcm->running = 1;
408 		break;
409 	case SNDRV_PCM_TRIGGER_STOP:
410 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
411 	case SNDRV_PCM_TRIGGER_SUSPEND:
412 		tmp = snd_ymfpci_readl(chip, YDSXGR_MAPOFREC) & ~(1 << ypcm->capture_bank_number);
413 		snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, tmp);
414 		ypcm->running = 0;
415 		break;
416 	default:
417 		result = -EINVAL;
418 		break;
419 	}
420 	spin_unlock(&chip->reg_lock);
421 	return result;
422 }
423 
424 static int snd_ymfpci_pcm_voice_alloc(ymfpci_pcm_t *ypcm, int voices)
425 {
426 	int err;
427 
428 	if (ypcm->voices[1] != NULL && voices < 2) {
429 		snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[1]);
430 		ypcm->voices[1] = NULL;
431 	}
432 	if (voices == 1 && ypcm->voices[0] != NULL)
433 		return 0;		/* already allocated */
434 	if (voices == 2 && ypcm->voices[0] != NULL && ypcm->voices[1] != NULL)
435 		return 0;		/* already allocated */
436 	if (voices > 1) {
437 		if (ypcm->voices[0] != NULL && ypcm->voices[1] == NULL) {
438 			snd_ymfpci_voice_free(ypcm->chip, ypcm->voices[0]);
439 			ypcm->voices[0] = NULL;
440 		}
441 	}
442 	err = snd_ymfpci_voice_alloc(ypcm->chip, YMFPCI_PCM, voices > 1, &ypcm->voices[0]);
443 	if (err < 0)
444 		return err;
445 	ypcm->voices[0]->ypcm = ypcm;
446 	ypcm->voices[0]->interrupt = snd_ymfpci_pcm_interrupt;
447 	if (voices > 1) {
448 		ypcm->voices[1] = &ypcm->chip->voices[ypcm->voices[0]->number + 1];
449 		ypcm->voices[1]->ypcm = ypcm;
450 	}
451 	return 0;
452 }
453 
454 static void snd_ymfpci_pcm_init_voice(ymfpci_voice_t *voice, int stereo,
455 				      int rate, int w_16, unsigned long addr,
456 				      unsigned int end,
457 				      int output_front, int output_rear)
458 {
459 	u32 format;
460 	u32 delta = snd_ymfpci_calc_delta(rate);
461 	u32 lpfQ = snd_ymfpci_calc_lpfQ(rate);
462 	u32 lpfK = snd_ymfpci_calc_lpfK(rate);
463 	snd_ymfpci_playback_bank_t *bank;
464 	unsigned int nbank;
465 
466 	snd_assert(voice != NULL, return);
467 	format = (stereo ? 0x00010000 : 0) | (w_16 ? 0 : 0x80000000);
468 	for (nbank = 0; nbank < 2; nbank++) {
469 		bank = &voice->bank[nbank];
470 		bank->format = cpu_to_le32(format);
471 		bank->loop_default = 0;
472 		bank->base = cpu_to_le32(addr);
473 		bank->loop_start = 0;
474 		bank->loop_end = cpu_to_le32(end);
475 		bank->loop_frac = 0;
476 		bank->eg_gain_end = cpu_to_le32(0x40000000);
477 		bank->lpfQ = cpu_to_le32(lpfQ);
478 		bank->status = 0;
479 		bank->num_of_frames = 0;
480 		bank->loop_count = 0;
481 		bank->start = 0;
482 		bank->start_frac = 0;
483 		bank->delta =
484 		bank->delta_end = cpu_to_le32(delta);
485 		bank->lpfK =
486 		bank->lpfK_end = cpu_to_le32(lpfK);
487 		bank->eg_gain = cpu_to_le32(0x40000000);
488 		bank->lpfD1 =
489 		bank->lpfD2 = 0;
490 
491 		bank->left_gain =
492 		bank->right_gain =
493 		bank->left_gain_end =
494 		bank->right_gain_end =
495 		bank->eff1_gain =
496 		bank->eff2_gain =
497 		bank->eff3_gain =
498 		bank->eff1_gain_end =
499 		bank->eff2_gain_end =
500 		bank->eff3_gain_end = 0;
501 
502 		if (!stereo) {
503 			if (output_front) {
504 				bank->left_gain =
505 				bank->right_gain =
506 				bank->left_gain_end =
507 				bank->right_gain_end = cpu_to_le32(0x40000000);
508 			}
509 			if (output_rear) {
510 				bank->eff2_gain =
511 				bank->eff2_gain_end =
512 				bank->eff3_gain =
513 				bank->eff3_gain_end = cpu_to_le32(0x40000000);
514 			}
515 		} else {
516 			if (output_front) {
517 				if ((voice->number & 1) == 0) {
518 					bank->left_gain =
519 					bank->left_gain_end = cpu_to_le32(0x40000000);
520 				} else {
521 					bank->format |= cpu_to_le32(1);
522 					bank->right_gain =
523 					bank->right_gain_end = cpu_to_le32(0x40000000);
524 				}
525 			}
526 			if (output_rear) {
527 				if ((voice->number & 1) == 0) {
528 					bank->eff3_gain =
529 					bank->eff3_gain_end = cpu_to_le32(0x40000000);
530 				} else {
531 					bank->format |= cpu_to_le32(1);
532 					bank->eff2_gain =
533 					bank->eff2_gain_end = cpu_to_le32(0x40000000);
534 				}
535 			}
536 		}
537 	}
538 }
539 
540 static int __devinit snd_ymfpci_ac3_init(ymfpci_t *chip)
541 {
542 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
543 				4096, &chip->ac3_tmp_base) < 0)
544 		return -ENOMEM;
545 
546 	chip->bank_effect[3][0]->base =
547 	chip->bank_effect[3][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr);
548 	chip->bank_effect[3][0]->loop_end =
549 	chip->bank_effect[3][1]->loop_end = cpu_to_le32(1024);
550 	chip->bank_effect[4][0]->base =
551 	chip->bank_effect[4][1]->base = cpu_to_le32(chip->ac3_tmp_base.addr + 2048);
552 	chip->bank_effect[4][0]->loop_end =
553 	chip->bank_effect[4][1]->loop_end = cpu_to_le32(1024);
554 
555 	spin_lock_irq(&chip->reg_lock);
556 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
557 			  snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) | 3 << 3);
558 	spin_unlock_irq(&chip->reg_lock);
559 	return 0;
560 }
561 
562 static int snd_ymfpci_ac3_done(ymfpci_t *chip)
563 {
564 	spin_lock_irq(&chip->reg_lock);
565 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT,
566 			  snd_ymfpci_readl(chip, YDSXGR_MAPOFEFFECT) & ~(3 << 3));
567 	spin_unlock_irq(&chip->reg_lock);
568 	// snd_ymfpci_irq_wait(chip);
569 	if (chip->ac3_tmp_base.area) {
570 		snd_dma_free_pages(&chip->ac3_tmp_base);
571 		chip->ac3_tmp_base.area = NULL;
572 	}
573 	return 0;
574 }
575 
576 static int snd_ymfpci_playback_hw_params(snd_pcm_substream_t * substream,
577 					 snd_pcm_hw_params_t * hw_params)
578 {
579 	snd_pcm_runtime_t *runtime = substream->runtime;
580 	ymfpci_pcm_t *ypcm = runtime->private_data;
581 	int err;
582 
583 	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
584 		return err;
585 	if ((err = snd_ymfpci_pcm_voice_alloc(ypcm, params_channels(hw_params))) < 0)
586 		return err;
587 	return 0;
588 }
589 
590 static int snd_ymfpci_playback_hw_free(snd_pcm_substream_t * substream)
591 {
592 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
593 	snd_pcm_runtime_t *runtime = substream->runtime;
594 	ymfpci_pcm_t *ypcm;
595 
596 	if (runtime->private_data == NULL)
597 		return 0;
598 	ypcm = runtime->private_data;
599 
600 	/* wait, until the PCI operations are not finished */
601 	snd_ymfpci_irq_wait(chip);
602 	snd_pcm_lib_free_pages(substream);
603 	if (ypcm->voices[1]) {
604 		snd_ymfpci_voice_free(chip, ypcm->voices[1]);
605 		ypcm->voices[1] = NULL;
606 	}
607 	if (ypcm->voices[0]) {
608 		snd_ymfpci_voice_free(chip, ypcm->voices[0]);
609 		ypcm->voices[0] = NULL;
610 	}
611 	return 0;
612 }
613 
614 static int snd_ymfpci_playback_prepare(snd_pcm_substream_t * substream)
615 {
616 	// ymfpci_t *chip = snd_pcm_substream_chip(substream);
617 	snd_pcm_runtime_t *runtime = substream->runtime;
618 	ymfpci_pcm_t *ypcm = runtime->private_data;
619 	unsigned int nvoice;
620 
621 	ypcm->period_size = runtime->period_size;
622 	ypcm->buffer_size = runtime->buffer_size;
623 	ypcm->period_pos = 0;
624 	ypcm->last_pos = 0;
625 	for (nvoice = 0; nvoice < runtime->channels; nvoice++)
626 		snd_ymfpci_pcm_init_voice(ypcm->voices[nvoice],
627 					  runtime->channels == 2,
628 					  runtime->rate,
629 					  snd_pcm_format_width(runtime->format) == 16,
630 					  runtime->dma_addr,
631 					  ypcm->buffer_size,
632 					  ypcm->output_front,
633 					  ypcm->output_rear);
634 	return 0;
635 }
636 
637 static int snd_ymfpci_capture_hw_params(snd_pcm_substream_t * substream,
638 					snd_pcm_hw_params_t * hw_params)
639 {
640 	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
641 }
642 
643 static int snd_ymfpci_capture_hw_free(snd_pcm_substream_t * substream)
644 {
645 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
646 
647 	/* wait, until the PCI operations are not finished */
648 	snd_ymfpci_irq_wait(chip);
649 	return snd_pcm_lib_free_pages(substream);
650 }
651 
652 static int snd_ymfpci_capture_prepare(snd_pcm_substream_t * substream)
653 {
654 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
655 	snd_pcm_runtime_t *runtime = substream->runtime;
656 	ymfpci_pcm_t *ypcm = runtime->private_data;
657 	snd_ymfpci_capture_bank_t * bank;
658 	int nbank;
659 	u32 rate, format;
660 
661 	ypcm->period_size = runtime->period_size;
662 	ypcm->buffer_size = runtime->buffer_size;
663 	ypcm->period_pos = 0;
664 	ypcm->last_pos = 0;
665 	ypcm->shift = 0;
666 	rate = ((48000 * 4096) / runtime->rate) - 1;
667 	format = 0;
668 	if (runtime->channels == 2) {
669 		format |= 2;
670 		ypcm->shift++;
671 	}
672 	if (snd_pcm_format_width(runtime->format) == 8)
673 		format |= 1;
674 	else
675 		ypcm->shift++;
676 	switch (ypcm->capture_bank_number) {
677 	case 0:
678 		snd_ymfpci_writel(chip, YDSXGR_RECFORMAT, format);
679 		snd_ymfpci_writel(chip, YDSXGR_RECSLOTSR, rate);
680 		break;
681 	case 1:
682 		snd_ymfpci_writel(chip, YDSXGR_ADCFORMAT, format);
683 		snd_ymfpci_writel(chip, YDSXGR_ADCSLOTSR, rate);
684 		break;
685 	}
686 	for (nbank = 0; nbank < 2; nbank++) {
687 		bank = chip->bank_capture[ypcm->capture_bank_number][nbank];
688 		bank->base = cpu_to_le32(runtime->dma_addr);
689 		bank->loop_end = cpu_to_le32(ypcm->buffer_size << ypcm->shift);
690 		bank->start = 0;
691 		bank->num_of_loops = 0;
692 	}
693 	return 0;
694 }
695 
696 static snd_pcm_uframes_t snd_ymfpci_playback_pointer(snd_pcm_substream_t * substream)
697 {
698 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
699 	snd_pcm_runtime_t *runtime = substream->runtime;
700 	ymfpci_pcm_t *ypcm = runtime->private_data;
701 	ymfpci_voice_t *voice = ypcm->voices[0];
702 
703 	if (!(ypcm->running && voice))
704 		return 0;
705 	return le32_to_cpu(voice->bank[chip->active_bank].start);
706 }
707 
708 static snd_pcm_uframes_t snd_ymfpci_capture_pointer(snd_pcm_substream_t * substream)
709 {
710 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
711 	snd_pcm_runtime_t *runtime = substream->runtime;
712 	ymfpci_pcm_t *ypcm = runtime->private_data;
713 
714 	if (!ypcm->running)
715 		return 0;
716 	return le32_to_cpu(chip->bank_capture[ypcm->capture_bank_number][chip->active_bank]->start) >> ypcm->shift;
717 }
718 
719 static void snd_ymfpci_irq_wait(ymfpci_t *chip)
720 {
721 	wait_queue_t wait;
722 	int loops = 4;
723 
724 	while (loops-- > 0) {
725 		if ((snd_ymfpci_readl(chip, YDSXGR_MODE) & 3) == 0)
726 		 	continue;
727 		init_waitqueue_entry(&wait, current);
728 		add_wait_queue(&chip->interrupt_sleep, &wait);
729 		atomic_inc(&chip->interrupt_sleep_count);
730 		set_current_state(TASK_UNINTERRUPTIBLE);
731 		schedule_timeout(HZ/20);
732 		remove_wait_queue(&chip->interrupt_sleep, &wait);
733 	}
734 }
735 
736 static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id, struct pt_regs *regs)
737 {
738 	ymfpci_t *chip = dev_id;
739 	u32 status, nvoice, mode;
740 	ymfpci_voice_t *voice;
741 
742 	status = snd_ymfpci_readl(chip, YDSXGR_STATUS);
743 	if (status & 0x80000000) {
744 		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT) & 1;
745 		spin_lock(&chip->voice_lock);
746 		for (nvoice = 0; nvoice < YDSXG_PLAYBACK_VOICES; nvoice++) {
747 			voice = &chip->voices[nvoice];
748 			if (voice->interrupt)
749 				voice->interrupt(chip, voice);
750 		}
751 		for (nvoice = 0; nvoice < YDSXG_CAPTURE_VOICES; nvoice++) {
752 			if (chip->capture_substream[nvoice])
753 				snd_ymfpci_pcm_capture_interrupt(chip->capture_substream[nvoice]);
754 		}
755 #if 0
756 		for (nvoice = 0; nvoice < YDSXG_EFFECT_VOICES; nvoice++) {
757 			if (chip->effect_substream[nvoice])
758 				snd_ymfpci_pcm_effect_interrupt(chip->effect_substream[nvoice]);
759 		}
760 #endif
761 		spin_unlock(&chip->voice_lock);
762 		spin_lock(&chip->reg_lock);
763 		snd_ymfpci_writel(chip, YDSXGR_STATUS, 0x80000000);
764 		mode = snd_ymfpci_readl(chip, YDSXGR_MODE) | 2;
765 		snd_ymfpci_writel(chip, YDSXGR_MODE, mode);
766 		spin_unlock(&chip->reg_lock);
767 
768 		if (atomic_read(&chip->interrupt_sleep_count)) {
769 			atomic_set(&chip->interrupt_sleep_count, 0);
770 			wake_up(&chip->interrupt_sleep);
771 		}
772 	}
773 
774 	status = snd_ymfpci_readw(chip, YDSXGR_INTFLAG);
775 	if (status & 1) {
776 		if (chip->timer)
777 			snd_timer_interrupt(chip->timer, chip->timer->sticks);
778 	}
779 	snd_ymfpci_writew(chip, YDSXGR_INTFLAG, status);
780 
781 	if (chip->rawmidi)
782 		snd_mpu401_uart_interrupt(irq, chip->rawmidi->private_data, regs);
783 	return IRQ_HANDLED;
784 }
785 
786 static snd_pcm_hardware_t snd_ymfpci_playback =
787 {
788 	.info =			(SNDRV_PCM_INFO_MMAP |
789 				 SNDRV_PCM_INFO_MMAP_VALID |
790 				 SNDRV_PCM_INFO_INTERLEAVED |
791 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
792 				 SNDRV_PCM_INFO_PAUSE |
793 				 SNDRV_PCM_INFO_RESUME),
794 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
795 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
796 	.rate_min =		8000,
797 	.rate_max =		48000,
798 	.channels_min =		1,
799 	.channels_max =		2,
800 	.buffer_bytes_max =	256 * 1024, /* FIXME: enough? */
801 	.period_bytes_min =	64,
802 	.period_bytes_max =	256 * 1024, /* FIXME: enough? */
803 	.periods_min =		3,
804 	.periods_max =		1024,
805 	.fifo_size =		0,
806 };
807 
808 static snd_pcm_hardware_t snd_ymfpci_capture =
809 {
810 	.info =			(SNDRV_PCM_INFO_MMAP |
811 				 SNDRV_PCM_INFO_MMAP_VALID |
812 				 SNDRV_PCM_INFO_INTERLEAVED |
813 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
814 				 SNDRV_PCM_INFO_PAUSE |
815 				 SNDRV_PCM_INFO_RESUME),
816 	.formats =		SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
817 	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
818 	.rate_min =		8000,
819 	.rate_max =		48000,
820 	.channels_min =		1,
821 	.channels_max =		2,
822 	.buffer_bytes_max =	256 * 1024, /* FIXME: enough? */
823 	.period_bytes_min =	64,
824 	.period_bytes_max =	256 * 1024, /* FIXME: enough? */
825 	.periods_min =		3,
826 	.periods_max =		1024,
827 	.fifo_size =		0,
828 };
829 
830 static void snd_ymfpci_pcm_free_substream(snd_pcm_runtime_t *runtime)
831 {
832 	kfree(runtime->private_data);
833 }
834 
835 static int snd_ymfpci_playback_open_1(snd_pcm_substream_t * substream)
836 {
837 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
838 	snd_pcm_runtime_t *runtime = substream->runtime;
839 	ymfpci_pcm_t *ypcm;
840 
841 	ypcm = kcalloc(1, sizeof(*ypcm), GFP_KERNEL);
842 	if (ypcm == NULL)
843 		return -ENOMEM;
844 	ypcm->chip = chip;
845 	ypcm->type = PLAYBACK_VOICE;
846 	ypcm->substream = substream;
847 	runtime->hw = snd_ymfpci_playback;
848 	runtime->private_data = ypcm;
849 	runtime->private_free = snd_ymfpci_pcm_free_substream;
850 	/* FIXME? True value is 256/48 = 5.33333 ms */
851 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 5333, UINT_MAX);
852 	return 0;
853 }
854 
855 /* call with spinlock held */
856 static void ymfpci_open_extension(ymfpci_t *chip)
857 {
858 	if (! chip->rear_opened) {
859 		if (! chip->spdif_opened) /* set AC3 */
860 			snd_ymfpci_writel(chip, YDSXGR_MODE,
861 					  snd_ymfpci_readl(chip, YDSXGR_MODE) | (1 << 30));
862 		/* enable second codec (4CHEN) */
863 		snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
864 				  (snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) | 0x0010);
865 	}
866 }
867 
868 /* call with spinlock held */
869 static void ymfpci_close_extension(ymfpci_t *chip)
870 {
871 	if (! chip->rear_opened) {
872 		if (! chip->spdif_opened)
873 			snd_ymfpci_writel(chip, YDSXGR_MODE,
874 					  snd_ymfpci_readl(chip, YDSXGR_MODE) & ~(1 << 30));
875 		snd_ymfpci_writew(chip, YDSXGR_SECCONFIG,
876 				  (snd_ymfpci_readw(chip, YDSXGR_SECCONFIG) & ~0x0330) & ~0x0010);
877 	}
878 }
879 
880 static int snd_ymfpci_playback_open(snd_pcm_substream_t * substream)
881 {
882 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
883 	snd_pcm_runtime_t *runtime = substream->runtime;
884 	ymfpci_pcm_t *ypcm;
885 	int err;
886 
887 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
888 		return err;
889 	ypcm = runtime->private_data;
890 	ypcm->output_front = 1;
891 	ypcm->output_rear = chip->mode_dup4ch ? 1 : 0;
892 	spin_lock_irq(&chip->reg_lock);
893 	if (ypcm->output_rear) {
894 		ymfpci_open_extension(chip);
895 		chip->rear_opened++;
896 	}
897 	spin_unlock_irq(&chip->reg_lock);
898 	return 0;
899 }
900 
901 static int snd_ymfpci_playback_spdif_open(snd_pcm_substream_t * substream)
902 {
903 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
904 	snd_pcm_runtime_t *runtime = substream->runtime;
905 	ymfpci_pcm_t *ypcm;
906 	int err;
907 
908 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
909 		return err;
910 	ypcm = runtime->private_data;
911 	ypcm->output_front = 0;
912 	ypcm->output_rear = 1;
913 	spin_lock_irq(&chip->reg_lock);
914 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
915 			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) | 2);
916 	ymfpci_open_extension(chip);
917 	chip->spdif_pcm_bits = chip->spdif_bits;
918 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
919 	chip->spdif_opened++;
920 	spin_unlock_irq(&chip->reg_lock);
921 
922 	chip->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
923 	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
924 		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
925 	return 0;
926 }
927 
928 static int snd_ymfpci_playback_4ch_open(snd_pcm_substream_t * substream)
929 {
930 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
931 	snd_pcm_runtime_t *runtime = substream->runtime;
932 	ymfpci_pcm_t *ypcm;
933 	int err;
934 
935 	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
936 		return err;
937 	ypcm = runtime->private_data;
938 	ypcm->output_front = 0;
939 	ypcm->output_rear = 1;
940 	spin_lock_irq(&chip->reg_lock);
941 	ymfpci_open_extension(chip);
942 	chip->rear_opened++;
943 	spin_unlock_irq(&chip->reg_lock);
944 	return 0;
945 }
946 
947 static int snd_ymfpci_capture_open(snd_pcm_substream_t * substream,
948 				   u32 capture_bank_number)
949 {
950 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
951 	snd_pcm_runtime_t *runtime = substream->runtime;
952 	ymfpci_pcm_t *ypcm;
953 
954 	ypcm = kcalloc(1, sizeof(*ypcm), GFP_KERNEL);
955 	if (ypcm == NULL)
956 		return -ENOMEM;
957 	ypcm->chip = chip;
958 	ypcm->type = capture_bank_number + CAPTURE_REC;
959 	ypcm->substream = substream;
960 	ypcm->capture_bank_number = capture_bank_number;
961 	chip->capture_substream[capture_bank_number] = substream;
962 	runtime->hw = snd_ymfpci_capture;
963 	/* FIXME? True value is 256/48 = 5.33333 ms */
964 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 5333, UINT_MAX);
965 	runtime->private_data = ypcm;
966 	runtime->private_free = snd_ymfpci_pcm_free_substream;
967 	snd_ymfpci_hw_start(chip);
968 	return 0;
969 }
970 
971 static int snd_ymfpci_capture_rec_open(snd_pcm_substream_t * substream)
972 {
973 	return snd_ymfpci_capture_open(substream, 0);
974 }
975 
976 static int snd_ymfpci_capture_ac97_open(snd_pcm_substream_t * substream)
977 {
978 	return snd_ymfpci_capture_open(substream, 1);
979 }
980 
981 static int snd_ymfpci_playback_close_1(snd_pcm_substream_t * substream)
982 {
983 	return 0;
984 }
985 
986 static int snd_ymfpci_playback_close(snd_pcm_substream_t * substream)
987 {
988 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
989 	ymfpci_pcm_t *ypcm = substream->runtime->private_data;
990 
991 	spin_lock_irq(&chip->reg_lock);
992 	if (ypcm->output_rear && chip->rear_opened > 0) {
993 		chip->rear_opened--;
994 		ymfpci_close_extension(chip);
995 	}
996 	spin_unlock_irq(&chip->reg_lock);
997 	return snd_ymfpci_playback_close_1(substream);
998 }
999 
1000 static int snd_ymfpci_playback_spdif_close(snd_pcm_substream_t * substream)
1001 {
1002 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
1003 
1004 	spin_lock_irq(&chip->reg_lock);
1005 	chip->spdif_opened = 0;
1006 	ymfpci_close_extension(chip);
1007 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
1008 			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & ~2);
1009 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
1010 	spin_unlock_irq(&chip->reg_lock);
1011 	chip->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1012 	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
1013 		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
1014 	return snd_ymfpci_playback_close_1(substream);
1015 }
1016 
1017 static int snd_ymfpci_playback_4ch_close(snd_pcm_substream_t * substream)
1018 {
1019 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
1020 
1021 	spin_lock_irq(&chip->reg_lock);
1022 	if (chip->rear_opened > 0) {
1023 		chip->rear_opened--;
1024 		ymfpci_close_extension(chip);
1025 	}
1026 	spin_unlock_irq(&chip->reg_lock);
1027 	return snd_ymfpci_playback_close_1(substream);
1028 }
1029 
1030 static int snd_ymfpci_capture_close(snd_pcm_substream_t * substream)
1031 {
1032 	ymfpci_t *chip = snd_pcm_substream_chip(substream);
1033 	snd_pcm_runtime_t *runtime = substream->runtime;
1034 	ymfpci_pcm_t *ypcm = runtime->private_data;
1035 
1036 	if (ypcm != NULL) {
1037 		chip->capture_substream[ypcm->capture_bank_number] = NULL;
1038 		snd_ymfpci_hw_stop(chip);
1039 	}
1040 	return 0;
1041 }
1042 
1043 static snd_pcm_ops_t snd_ymfpci_playback_ops = {
1044 	.open =			snd_ymfpci_playback_open,
1045 	.close =		snd_ymfpci_playback_close,
1046 	.ioctl =		snd_pcm_lib_ioctl,
1047 	.hw_params =		snd_ymfpci_playback_hw_params,
1048 	.hw_free =		snd_ymfpci_playback_hw_free,
1049 	.prepare =		snd_ymfpci_playback_prepare,
1050 	.trigger =		snd_ymfpci_playback_trigger,
1051 	.pointer =		snd_ymfpci_playback_pointer,
1052 };
1053 
1054 static snd_pcm_ops_t snd_ymfpci_capture_rec_ops = {
1055 	.open =			snd_ymfpci_capture_rec_open,
1056 	.close =		snd_ymfpci_capture_close,
1057 	.ioctl =		snd_pcm_lib_ioctl,
1058 	.hw_params =		snd_ymfpci_capture_hw_params,
1059 	.hw_free =		snd_ymfpci_capture_hw_free,
1060 	.prepare =		snd_ymfpci_capture_prepare,
1061 	.trigger =		snd_ymfpci_capture_trigger,
1062 	.pointer =		snd_ymfpci_capture_pointer,
1063 };
1064 
1065 static void snd_ymfpci_pcm_free(snd_pcm_t *pcm)
1066 {
1067 	ymfpci_t *chip = pcm->private_data;
1068 	chip->pcm = NULL;
1069 	snd_pcm_lib_preallocate_free_for_all(pcm);
1070 }
1071 
1072 int __devinit snd_ymfpci_pcm(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
1073 {
1074 	snd_pcm_t *pcm;
1075 	int err;
1076 
1077 	if (rpcm)
1078 		*rpcm = NULL;
1079 	if ((err = snd_pcm_new(chip->card, "YMFPCI", device, 32, 1, &pcm)) < 0)
1080 		return err;
1081 	pcm->private_data = chip;
1082 	pcm->private_free = snd_ymfpci_pcm_free;
1083 
1084 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_ops);
1085 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_rec_ops);
1086 
1087 	/* global setup */
1088 	pcm->info_flags = 0;
1089 	strcpy(pcm->name, "YMFPCI");
1090 	chip->pcm = pcm;
1091 
1092 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1093 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1094 
1095 	if (rpcm)
1096 		*rpcm = pcm;
1097 	return 0;
1098 }
1099 
1100 static snd_pcm_ops_t snd_ymfpci_capture_ac97_ops = {
1101 	.open =			snd_ymfpci_capture_ac97_open,
1102 	.close =		snd_ymfpci_capture_close,
1103 	.ioctl =		snd_pcm_lib_ioctl,
1104 	.hw_params =		snd_ymfpci_capture_hw_params,
1105 	.hw_free =		snd_ymfpci_capture_hw_free,
1106 	.prepare =		snd_ymfpci_capture_prepare,
1107 	.trigger =		snd_ymfpci_capture_trigger,
1108 	.pointer =		snd_ymfpci_capture_pointer,
1109 };
1110 
1111 static void snd_ymfpci_pcm2_free(snd_pcm_t *pcm)
1112 {
1113 	ymfpci_t *chip = pcm->private_data;
1114 	chip->pcm2 = NULL;
1115 	snd_pcm_lib_preallocate_free_for_all(pcm);
1116 }
1117 
1118 int __devinit snd_ymfpci_pcm2(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
1119 {
1120 	snd_pcm_t *pcm;
1121 	int err;
1122 
1123 	if (rpcm)
1124 		*rpcm = NULL;
1125 	if ((err = snd_pcm_new(chip->card, "YMFPCI - PCM2", device, 0, 1, &pcm)) < 0)
1126 		return err;
1127 	pcm->private_data = chip;
1128 	pcm->private_free = snd_ymfpci_pcm2_free;
1129 
1130 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_ac97_ops);
1131 
1132 	/* global setup */
1133 	pcm->info_flags = 0;
1134 	sprintf(pcm->name, "YMFPCI - %s",
1135 		chip->device_id == PCI_DEVICE_ID_YAMAHA_754 ? "Direct Recording" : "AC'97");
1136 	chip->pcm2 = pcm;
1137 
1138 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1139 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1140 
1141 	if (rpcm)
1142 		*rpcm = pcm;
1143 	return 0;
1144 }
1145 
1146 static snd_pcm_ops_t snd_ymfpci_playback_spdif_ops = {
1147 	.open =			snd_ymfpci_playback_spdif_open,
1148 	.close =		snd_ymfpci_playback_spdif_close,
1149 	.ioctl =		snd_pcm_lib_ioctl,
1150 	.hw_params =		snd_ymfpci_playback_hw_params,
1151 	.hw_free =		snd_ymfpci_playback_hw_free,
1152 	.prepare =		snd_ymfpci_playback_prepare,
1153 	.trigger =		snd_ymfpci_playback_trigger,
1154 	.pointer =		snd_ymfpci_playback_pointer,
1155 };
1156 
1157 static void snd_ymfpci_pcm_spdif_free(snd_pcm_t *pcm)
1158 {
1159 	ymfpci_t *chip = pcm->private_data;
1160 	chip->pcm_spdif = NULL;
1161 	snd_pcm_lib_preallocate_free_for_all(pcm);
1162 }
1163 
1164 int __devinit snd_ymfpci_pcm_spdif(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
1165 {
1166 	snd_pcm_t *pcm;
1167 	int err;
1168 
1169 	if (rpcm)
1170 		*rpcm = NULL;
1171 	if ((err = snd_pcm_new(chip->card, "YMFPCI - IEC958", device, 1, 0, &pcm)) < 0)
1172 		return err;
1173 	pcm->private_data = chip;
1174 	pcm->private_free = snd_ymfpci_pcm_spdif_free;
1175 
1176 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_spdif_ops);
1177 
1178 	/* global setup */
1179 	pcm->info_flags = 0;
1180 	strcpy(pcm->name, "YMFPCI - IEC958");
1181 	chip->pcm_spdif = pcm;
1182 
1183 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1184 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1185 
1186 	if (rpcm)
1187 		*rpcm = pcm;
1188 	return 0;
1189 }
1190 
1191 static snd_pcm_ops_t snd_ymfpci_playback_4ch_ops = {
1192 	.open =			snd_ymfpci_playback_4ch_open,
1193 	.close =		snd_ymfpci_playback_4ch_close,
1194 	.ioctl =		snd_pcm_lib_ioctl,
1195 	.hw_params =		snd_ymfpci_playback_hw_params,
1196 	.hw_free =		snd_ymfpci_playback_hw_free,
1197 	.prepare =		snd_ymfpci_playback_prepare,
1198 	.trigger =		snd_ymfpci_playback_trigger,
1199 	.pointer =		snd_ymfpci_playback_pointer,
1200 };
1201 
1202 static void snd_ymfpci_pcm_4ch_free(snd_pcm_t *pcm)
1203 {
1204 	ymfpci_t *chip = pcm->private_data;
1205 	chip->pcm_4ch = NULL;
1206 	snd_pcm_lib_preallocate_free_for_all(pcm);
1207 }
1208 
1209 int __devinit snd_ymfpci_pcm_4ch(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
1210 {
1211 	snd_pcm_t *pcm;
1212 	int err;
1213 
1214 	if (rpcm)
1215 		*rpcm = NULL;
1216 	if ((err = snd_pcm_new(chip->card, "YMFPCI - Rear", device, 1, 0, &pcm)) < 0)
1217 		return err;
1218 	pcm->private_data = chip;
1219 	pcm->private_free = snd_ymfpci_pcm_4ch_free;
1220 
1221 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_4ch_ops);
1222 
1223 	/* global setup */
1224 	pcm->info_flags = 0;
1225 	strcpy(pcm->name, "YMFPCI - Rear PCM");
1226 	chip->pcm_4ch = pcm;
1227 
1228 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1229 					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);
1230 
1231 	if (rpcm)
1232 		*rpcm = pcm;
1233 	return 0;
1234 }
1235 
1236 static int snd_ymfpci_spdif_default_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1237 {
1238 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1239 	uinfo->count = 1;
1240 	return 0;
1241 }
1242 
1243 static int snd_ymfpci_spdif_default_get(snd_kcontrol_t * kcontrol,
1244 					snd_ctl_elem_value_t * ucontrol)
1245 {
1246 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1247 
1248 	spin_lock_irq(&chip->reg_lock);
1249 	ucontrol->value.iec958.status[0] = (chip->spdif_bits >> 0) & 0xff;
1250 	ucontrol->value.iec958.status[1] = (chip->spdif_bits >> 8) & 0xff;
1251 	spin_unlock_irq(&chip->reg_lock);
1252 	return 0;
1253 }
1254 
1255 static int snd_ymfpci_spdif_default_put(snd_kcontrol_t * kcontrol,
1256 					 snd_ctl_elem_value_t * ucontrol)
1257 {
1258 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1259 	unsigned int val;
1260 	int change;
1261 
1262 	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
1263 	      (ucontrol->value.iec958.status[1] << 8);
1264 	spin_lock_irq(&chip->reg_lock);
1265 	change = chip->spdif_bits != val;
1266 	chip->spdif_bits = val;
1267 	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 1) && chip->pcm_spdif == NULL)
1268 		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
1269 	spin_unlock_irq(&chip->reg_lock);
1270 	return change;
1271 }
1272 
1273 static snd_kcontrol_new_t snd_ymfpci_spdif_default __devinitdata =
1274 {
1275 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1276 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1277 	.info =		snd_ymfpci_spdif_default_info,
1278 	.get =		snd_ymfpci_spdif_default_get,
1279 	.put =		snd_ymfpci_spdif_default_put
1280 };
1281 
1282 static int snd_ymfpci_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1283 {
1284 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1285 	uinfo->count = 1;
1286 	return 0;
1287 }
1288 
1289 static int snd_ymfpci_spdif_mask_get(snd_kcontrol_t * kcontrol,
1290 				      snd_ctl_elem_value_t * ucontrol)
1291 {
1292 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1293 
1294 	spin_lock_irq(&chip->reg_lock);
1295 	ucontrol->value.iec958.status[0] = 0x3e;
1296 	ucontrol->value.iec958.status[1] = 0xff;
1297 	spin_unlock_irq(&chip->reg_lock);
1298 	return 0;
1299 }
1300 
1301 static snd_kcontrol_new_t snd_ymfpci_spdif_mask __devinitdata =
1302 {
1303 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1304 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1305 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1306 	.info =		snd_ymfpci_spdif_mask_info,
1307 	.get =		snd_ymfpci_spdif_mask_get,
1308 };
1309 
1310 static int snd_ymfpci_spdif_stream_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1311 {
1312 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1313 	uinfo->count = 1;
1314 	return 0;
1315 }
1316 
1317 static int snd_ymfpci_spdif_stream_get(snd_kcontrol_t * kcontrol,
1318 					snd_ctl_elem_value_t * ucontrol)
1319 {
1320 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1321 
1322 	spin_lock_irq(&chip->reg_lock);
1323 	ucontrol->value.iec958.status[0] = (chip->spdif_pcm_bits >> 0) & 0xff;
1324 	ucontrol->value.iec958.status[1] = (chip->spdif_pcm_bits >> 8) & 0xff;
1325 	spin_unlock_irq(&chip->reg_lock);
1326 	return 0;
1327 }
1328 
1329 static int snd_ymfpci_spdif_stream_put(snd_kcontrol_t * kcontrol,
1330 					snd_ctl_elem_value_t * ucontrol)
1331 {
1332 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1333 	unsigned int val;
1334 	int change;
1335 
1336 	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
1337 	      (ucontrol->value.iec958.status[1] << 8);
1338 	spin_lock_irq(&chip->reg_lock);
1339 	change = chip->spdif_pcm_bits != val;
1340 	chip->spdif_pcm_bits = val;
1341 	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 2))
1342 		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
1343 	spin_unlock_irq(&chip->reg_lock);
1344 	return change;
1345 }
1346 
1347 static snd_kcontrol_new_t snd_ymfpci_spdif_stream __devinitdata =
1348 {
1349 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1350 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1351 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1352 	.info =		snd_ymfpci_spdif_stream_info,
1353 	.get =		snd_ymfpci_spdif_stream_get,
1354 	.put =		snd_ymfpci_spdif_stream_put
1355 };
1356 
1357 static int snd_ymfpci_drec_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info)
1358 {
1359 	static char *texts[3] = {"AC'97", "IEC958", "ZV Port"};
1360 
1361 	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1362 	info->count = 1;
1363 	info->value.enumerated.items = 3;
1364 	if (info->value.enumerated.item > 2)
1365 		info->value.enumerated.item = 2;
1366 	strcpy(info->value.enumerated.name, texts[info->value.enumerated.item]);
1367 	return 0;
1368 }
1369 
1370 static int snd_ymfpci_drec_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value)
1371 {
1372 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1373 	u16 reg;
1374 
1375 	spin_lock_irq(&chip->reg_lock);
1376 	reg = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1377 	spin_unlock_irq(&chip->reg_lock);
1378 	if (!(reg & 0x100))
1379 		value->value.enumerated.item[0] = 0;
1380 	else
1381 		value->value.enumerated.item[0] = 1 + ((reg & 0x200) != 0);
1382 	return 0;
1383 }
1384 
1385 static int snd_ymfpci_drec_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value)
1386 {
1387 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1388 	u16 reg, old_reg;
1389 
1390 	spin_lock_irq(&chip->reg_lock);
1391 	old_reg = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1392 	if (value->value.enumerated.item[0] == 0)
1393 		reg = old_reg & ~0x100;
1394 	else
1395 		reg = (old_reg & ~0x300) | 0x100 | ((value->value.enumerated.item[0] == 2) << 9);
1396 	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, reg);
1397 	spin_unlock_irq(&chip->reg_lock);
1398 	return reg != old_reg;
1399 }
1400 
1401 static snd_kcontrol_new_t snd_ymfpci_drec_source __devinitdata = {
1402 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE,
1403 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
1404 	.name =		"Direct Recording Source",
1405 	.info =		snd_ymfpci_drec_source_info,
1406 	.get =		snd_ymfpci_drec_source_get,
1407 	.put =		snd_ymfpci_drec_source_put
1408 };
1409 
1410 /*
1411  *  Mixer controls
1412  */
1413 
1414 #define YMFPCI_SINGLE(xname, xindex, reg) \
1415 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1416   .info = snd_ymfpci_info_single, \
1417   .get = snd_ymfpci_get_single, .put = snd_ymfpci_put_single, \
1418   .private_value = reg }
1419 
1420 static int snd_ymfpci_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1421 {
1422 	switch (kcontrol->private_value) {
1423 	case YDSXGR_SPDIFOUTCTRL: break;
1424 	case YDSXGR_SPDIFINCTRL: break;
1425 	default: return -EINVAL;
1426 	}
1427 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1428 	uinfo->count = 1;
1429 	uinfo->value.integer.min = 0;
1430 	uinfo->value.integer.max = 1;
1431 	return 0;
1432 }
1433 
1434 static int snd_ymfpci_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1435 {
1436 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1437 	int reg = kcontrol->private_value;
1438 	unsigned int shift = 0, mask = 1;
1439 
1440 	switch (kcontrol->private_value) {
1441 	case YDSXGR_SPDIFOUTCTRL: break;
1442 	case YDSXGR_SPDIFINCTRL: break;
1443 	default: return -EINVAL;
1444 	}
1445 	ucontrol->value.integer.value[0] = (snd_ymfpci_readl(chip, reg) >> shift) & mask;
1446 	return 0;
1447 }
1448 
1449 static int snd_ymfpci_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1450 {
1451 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1452 	int reg = kcontrol->private_value;
1453 	unsigned int shift = 0, mask = 1;
1454 	int change;
1455 	unsigned int val, oval;
1456 
1457 	switch (kcontrol->private_value) {
1458 	case YDSXGR_SPDIFOUTCTRL: break;
1459 	case YDSXGR_SPDIFINCTRL: break;
1460 	default: return -EINVAL;
1461 	}
1462 	val = (ucontrol->value.integer.value[0] & mask);
1463 	val <<= shift;
1464 	spin_lock_irq(&chip->reg_lock);
1465 	oval = snd_ymfpci_readl(chip, reg);
1466 	val = (oval & ~(mask << shift)) | val;
1467 	change = val != oval;
1468 	snd_ymfpci_writel(chip, reg, val);
1469 	spin_unlock_irq(&chip->reg_lock);
1470 	return change;
1471 }
1472 
1473 #define YMFPCI_DOUBLE(xname, xindex, reg) \
1474 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
1475   .info = snd_ymfpci_info_double, \
1476   .get = snd_ymfpci_get_double, .put = snd_ymfpci_put_double, \
1477   .private_value = reg }
1478 
1479 static int snd_ymfpci_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1480 {
1481 	unsigned int reg = kcontrol->private_value;
1482 
1483 	if (reg < 0x80 || reg >= 0xc0)
1484 		return -EINVAL;
1485 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1486 	uinfo->count = 2;
1487 	uinfo->value.integer.min = 0;
1488 	uinfo->value.integer.max = 16383;
1489 	return 0;
1490 }
1491 
1492 static int snd_ymfpci_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1493 {
1494 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1495 	unsigned int reg = kcontrol->private_value;
1496 	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
1497 	unsigned int val;
1498 
1499 	if (reg < 0x80 || reg >= 0xc0)
1500 		return -EINVAL;
1501 	spin_lock_irq(&chip->reg_lock);
1502 	val = snd_ymfpci_readl(chip, reg);
1503 	spin_unlock_irq(&chip->reg_lock);
1504 	ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
1505 	ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
1506 	return 0;
1507 }
1508 
1509 static int snd_ymfpci_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1510 {
1511 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1512 	unsigned int reg = kcontrol->private_value;
1513 	unsigned int shift_left = 0, shift_right = 16, mask = 16383;
1514 	int change;
1515 	unsigned int val1, val2, oval;
1516 
1517 	if (reg < 0x80 || reg >= 0xc0)
1518 		return -EINVAL;
1519 	val1 = ucontrol->value.integer.value[0] & mask;
1520 	val2 = ucontrol->value.integer.value[1] & mask;
1521 	val1 <<= shift_left;
1522 	val2 <<= shift_right;
1523 	spin_lock_irq(&chip->reg_lock);
1524 	oval = snd_ymfpci_readl(chip, reg);
1525 	val1 = (oval & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
1526 	change = val1 != oval;
1527 	snd_ymfpci_writel(chip, reg, val1);
1528 	spin_unlock_irq(&chip->reg_lock);
1529 	return change;
1530 }
1531 
1532 /*
1533  * 4ch duplication
1534  */
1535 static int snd_ymfpci_info_dup4ch(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1536 {
1537 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1538 	uinfo->count = 1;
1539 	uinfo->value.integer.min = 0;
1540 	uinfo->value.integer.max = 1;
1541 	return 0;
1542 }
1543 
1544 static int snd_ymfpci_get_dup4ch(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1545 {
1546 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1547 	ucontrol->value.integer.value[0] = chip->mode_dup4ch;
1548 	return 0;
1549 }
1550 
1551 static int snd_ymfpci_put_dup4ch(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1552 {
1553 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1554 	int change;
1555 	change = (ucontrol->value.integer.value[0] != chip->mode_dup4ch);
1556 	if (change)
1557 		chip->mode_dup4ch = !!ucontrol->value.integer.value[0];
1558 	return change;
1559 }
1560 
1561 
1562 static snd_kcontrol_new_t snd_ymfpci_controls[] __devinitdata = {
1563 YMFPCI_DOUBLE("Wave Playback Volume", 0, YDSXGR_NATIVEDACOUTVOL),
1564 YMFPCI_DOUBLE("Wave Capture Volume", 0, YDSXGR_NATIVEDACLOOPVOL),
1565 YMFPCI_DOUBLE("Digital Capture Volume", 0, YDSXGR_NATIVEDACINVOL),
1566 YMFPCI_DOUBLE("Digital Capture Volume", 1, YDSXGR_NATIVEADCINVOL),
1567 YMFPCI_DOUBLE("ADC Playback Volume", 0, YDSXGR_PRIADCOUTVOL),
1568 YMFPCI_DOUBLE("ADC Capture Volume", 0, YDSXGR_PRIADCLOOPVOL),
1569 YMFPCI_DOUBLE("ADC Playback Volume", 1, YDSXGR_SECADCOUTVOL),
1570 YMFPCI_DOUBLE("ADC Capture Volume", 1, YDSXGR_SECADCLOOPVOL),
1571 YMFPCI_DOUBLE("FM Legacy Volume", 0, YDSXGR_LEGACYOUTVOL),
1572 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("AC97 ", PLAYBACK,VOLUME), 0, YDSXGR_ZVOUTVOL),
1573 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("", CAPTURE,VOLUME), 0, YDSXGR_ZVLOOPVOL),
1574 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("AC97 ",PLAYBACK,VOLUME), 1, YDSXGR_SPDIFOUTVOL),
1575 YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,VOLUME), 1, YDSXGR_SPDIFLOOPVOL),
1576 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), 0, YDSXGR_SPDIFOUTCTRL),
1577 YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, YDSXGR_SPDIFINCTRL),
1578 {
1579 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1580 	.name = "4ch Duplication",
1581 	.info = snd_ymfpci_info_dup4ch,
1582 	.get = snd_ymfpci_get_dup4ch,
1583 	.put = snd_ymfpci_put_dup4ch,
1584 },
1585 };
1586 
1587 
1588 /*
1589  * GPIO
1590  */
1591 
1592 static int snd_ymfpci_get_gpio_out(ymfpci_t *chip, int pin)
1593 {
1594 	u16 reg, mode;
1595 	unsigned long flags;
1596 
1597 	spin_lock_irqsave(&chip->reg_lock, flags);
1598 	reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
1599 	reg &= ~(1 << (pin + 8));
1600 	reg |= (1 << pin);
1601 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
1602 	/* set the level mode for input line */
1603 	mode = snd_ymfpci_readw(chip, YDSXGR_GPIOTYPECONFIG);
1604 	mode &= ~(3 << (pin * 2));
1605 	snd_ymfpci_writew(chip, YDSXGR_GPIOTYPECONFIG, mode);
1606 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
1607 	mode = snd_ymfpci_readw(chip, YDSXGR_GPIOINSTATUS);
1608 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1609 	return (mode >> pin) & 1;
1610 }
1611 
1612 static int snd_ymfpci_set_gpio_out(ymfpci_t *chip, int pin, int enable)
1613 {
1614 	u16 reg;
1615 	unsigned long flags;
1616 
1617 	spin_lock_irqsave(&chip->reg_lock, flags);
1618 	reg = snd_ymfpci_readw(chip, YDSXGR_GPIOFUNCENABLE);
1619 	reg &= ~(1 << pin);
1620 	reg &= ~(1 << (pin + 8));
1621 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg);
1622 	snd_ymfpci_writew(chip, YDSXGR_GPIOOUTCTRL, enable << pin);
1623 	snd_ymfpci_writew(chip, YDSXGR_GPIOFUNCENABLE, reg | (1 << (pin + 8)));
1624 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1625 
1626 	return 0;
1627 }
1628 
1629 static int snd_ymfpci_gpio_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
1630 {
1631 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1632 	uinfo->count = 1;
1633 	uinfo->value.integer.min = 0;
1634 	uinfo->value.integer.max = 1;
1635 	return 0;
1636 }
1637 
1638 static int snd_ymfpci_gpio_sw_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1639 {
1640 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1641 	int pin = (int)kcontrol->private_value;
1642 	ucontrol->value.integer.value[0] = snd_ymfpci_get_gpio_out(chip, pin);
1643 	return 0;
1644 }
1645 
1646 static int snd_ymfpci_gpio_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
1647 {
1648 	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
1649 	int pin = (int)kcontrol->private_value;
1650 
1651 	if (snd_ymfpci_get_gpio_out(chip, pin) != ucontrol->value.integer.value[0]) {
1652 		snd_ymfpci_set_gpio_out(chip, pin, !!ucontrol->value.integer.value[0]);
1653 		ucontrol->value.integer.value[0] = snd_ymfpci_get_gpio_out(chip, pin);
1654 		return 1;
1655 	}
1656 	return 0;
1657 }
1658 
1659 static snd_kcontrol_new_t snd_ymfpci_rear_shared __devinitdata = {
1660 	.name = "Shared Rear/Line-In Switch",
1661 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1662 	.info = snd_ymfpci_gpio_sw_info,
1663 	.get = snd_ymfpci_gpio_sw_get,
1664 	.put = snd_ymfpci_gpio_sw_put,
1665 	.private_value = 2,
1666 };
1667 
1668 
1669 /*
1670  *  Mixer routines
1671  */
1672 
1673 static void snd_ymfpci_mixer_free_ac97_bus(ac97_bus_t *bus)
1674 {
1675 	ymfpci_t *chip = bus->private_data;
1676 	chip->ac97_bus = NULL;
1677 }
1678 
1679 static void snd_ymfpci_mixer_free_ac97(ac97_t *ac97)
1680 {
1681 	ymfpci_t *chip = ac97->private_data;
1682 	chip->ac97 = NULL;
1683 }
1684 
1685 int __devinit snd_ymfpci_mixer(ymfpci_t *chip, int rear_switch)
1686 {
1687 	ac97_template_t ac97;
1688 	snd_kcontrol_t *kctl;
1689 	unsigned int idx;
1690 	int err;
1691 	static ac97_bus_ops_t ops = {
1692 		.write = snd_ymfpci_codec_write,
1693 		.read = snd_ymfpci_codec_read,
1694 	};
1695 
1696 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1697 		return err;
1698 	chip->ac97_bus->private_free = snd_ymfpci_mixer_free_ac97_bus;
1699 	chip->ac97_bus->no_vra = 1; /* YMFPCI doesn't need VRA */
1700 
1701 	memset(&ac97, 0, sizeof(ac97));
1702 	ac97.private_data = chip;
1703 	ac97.private_free = snd_ymfpci_mixer_free_ac97;
1704 	if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1705 		return err;
1706 
1707 	/* to be sure */
1708 	snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS,
1709 			     AC97_EA_VRA|AC97_EA_VRM, 0);
1710 
1711 	for (idx = 0; idx < ARRAY_SIZE(snd_ymfpci_controls); idx++) {
1712 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip))) < 0)
1713 			return err;
1714 	}
1715 
1716 	/* add S/PDIF control */
1717 	snd_assert(chip->pcm_spdif != NULL, return -EIO);
1718 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_default, chip))) < 0)
1719 		return err;
1720 	kctl->id.device = chip->pcm_spdif->device;
1721 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_mask, chip))) < 0)
1722 		return err;
1723 	kctl->id.device = chip->pcm_spdif->device;
1724 	if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_stream, chip))) < 0)
1725 		return err;
1726 	kctl->id.device = chip->pcm_spdif->device;
1727 	chip->spdif_pcm_ctl = kctl;
1728 
1729 	/* direct recording source */
1730 	if (chip->device_id == PCI_DEVICE_ID_YAMAHA_754 &&
1731 	    (err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_drec_source, chip))) < 0)
1732 		return err;
1733 
1734 	/*
1735 	 * shared rear/line-in
1736 	 */
1737 	if (rear_switch) {
1738 		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_rear_shared, chip))) < 0)
1739 			return err;
1740 	}
1741 
1742 	return 0;
1743 }
1744 
1745 
1746 /*
1747  * timer
1748  */
1749 
1750 static int snd_ymfpci_timer_start(snd_timer_t *timer)
1751 {
1752 	ymfpci_t *chip;
1753 	unsigned long flags;
1754 	unsigned int count;
1755 
1756 	chip = snd_timer_chip(timer);
1757 	count = timer->sticks - 1;
1758 	if (count == 0) /* minimum time is 20.8 us */
1759 		count = 1;
1760 	spin_lock_irqsave(&chip->reg_lock, flags);
1761 	snd_ymfpci_writew(chip, YDSXGR_TIMERCOUNT, count);
1762 	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x03);
1763 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1764 	return 0;
1765 }
1766 
1767 static int snd_ymfpci_timer_stop(snd_timer_t *timer)
1768 {
1769 	ymfpci_t *chip;
1770 	unsigned long flags;
1771 
1772 	chip = snd_timer_chip(timer);
1773 	spin_lock_irqsave(&chip->reg_lock, flags);
1774 	snd_ymfpci_writeb(chip, YDSXGR_TIMERCTRL, 0x00);
1775 	spin_unlock_irqrestore(&chip->reg_lock, flags);
1776 	return 0;
1777 }
1778 
1779 static int snd_ymfpci_timer_precise_resolution(snd_timer_t *timer,
1780 					       unsigned long *num, unsigned long *den)
1781 {
1782 	*num = 1;
1783 	*den = 96000;
1784 	return 0;
1785 }
1786 
1787 static struct _snd_timer_hardware snd_ymfpci_timer_hw = {
1788 	.flags = SNDRV_TIMER_HW_AUTO,
1789 	.resolution = 10417, /* 1/2fs = 10.41666...us */
1790 	.ticks = 65536,
1791 	.start = snd_ymfpci_timer_start,
1792 	.stop = snd_ymfpci_timer_stop,
1793 	.precise_resolution = snd_ymfpci_timer_precise_resolution,
1794 };
1795 
1796 int __devinit snd_ymfpci_timer(ymfpci_t *chip, int device)
1797 {
1798 	snd_timer_t *timer = NULL;
1799 	snd_timer_id_t tid;
1800 	int err;
1801 
1802 	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
1803 	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
1804 	tid.card = chip->card->number;
1805 	tid.device = device;
1806 	tid.subdevice = 0;
1807 	if ((err = snd_timer_new(chip->card, "YMFPCI", &tid, &timer)) >= 0) {
1808 		strcpy(timer->name, "YMFPCI timer");
1809 		timer->private_data = chip;
1810 		timer->hw = snd_ymfpci_timer_hw;
1811 	}
1812 	chip->timer = timer;
1813 	return err;
1814 }
1815 
1816 
1817 /*
1818  *  proc interface
1819  */
1820 
1821 static void snd_ymfpci_proc_read(snd_info_entry_t *entry,
1822 				 snd_info_buffer_t * buffer)
1823 {
1824 	ymfpci_t *chip = entry->private_data;
1825 	int i;
1826 
1827 	snd_iprintf(buffer, "YMFPCI\n\n");
1828 	for (i = 0; i <= YDSXGR_WORKBASE; i += 4)
1829 		snd_iprintf(buffer, "%04x: %04x\n", i, snd_ymfpci_readl(chip, i));
1830 }
1831 
1832 static int __devinit snd_ymfpci_proc_init(snd_card_t * card, ymfpci_t *chip)
1833 {
1834 	snd_info_entry_t *entry;
1835 
1836 	if (! snd_card_proc_new(card, "ymfpci", &entry))
1837 		snd_info_set_text_ops(entry, chip, 1024, snd_ymfpci_proc_read);
1838 	return 0;
1839 }
1840 
1841 /*
1842  *  initialization routines
1843  */
1844 
1845 static void snd_ymfpci_aclink_reset(struct pci_dev * pci)
1846 {
1847 	u8 cmd;
1848 
1849 	pci_read_config_byte(pci, PCIR_DSXG_CTRL, &cmd);
1850 #if 0 // force to reset
1851 	if (cmd & 0x03) {
1852 #endif
1853 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);
1854 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd | 0x03);
1855 		pci_write_config_byte(pci, PCIR_DSXG_CTRL, cmd & 0xfc);
1856 		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL1, 0);
1857 		pci_write_config_word(pci, PCIR_DSXG_PWRCTRL2, 0);
1858 #if 0
1859 	}
1860 #endif
1861 }
1862 
1863 static void snd_ymfpci_enable_dsp(ymfpci_t *chip)
1864 {
1865 	snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000001);
1866 }
1867 
1868 static void snd_ymfpci_disable_dsp(ymfpci_t *chip)
1869 {
1870 	u32 val;
1871 	int timeout = 1000;
1872 
1873 	val = snd_ymfpci_readl(chip, YDSXGR_CONFIG);
1874 	if (val)
1875 		snd_ymfpci_writel(chip, YDSXGR_CONFIG, 0x00000000);
1876 	while (timeout-- > 0) {
1877 		val = snd_ymfpci_readl(chip, YDSXGR_STATUS);
1878 		if ((val & 0x00000002) == 0)
1879 			break;
1880 	}
1881 }
1882 
1883 #include "ymfpci_image.h"
1884 
1885 static void snd_ymfpci_download_image(ymfpci_t *chip)
1886 {
1887 	int i;
1888 	u16 ctrl;
1889 	unsigned long *inst;
1890 
1891 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000);
1892 	snd_ymfpci_disable_dsp(chip);
1893 	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00010000);
1894 	snd_ymfpci_writel(chip, YDSXGR_MODE, 0x00000000);
1895 	snd_ymfpci_writel(chip, YDSXGR_MAPOFREC, 0x00000000);
1896 	snd_ymfpci_writel(chip, YDSXGR_MAPOFEFFECT, 0x00000000);
1897 	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0x00000000);
1898 	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0x00000000);
1899 	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0x00000000);
1900 	ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
1901 	snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
1902 
1903 	/* setup DSP instruction code */
1904 	for (i = 0; i < YDSXG_DSPLENGTH / 4; i++)
1905 		snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), DspInst[i]);
1906 
1907 	/* setup control instruction code */
1908 	switch (chip->device_id) {
1909 	case PCI_DEVICE_ID_YAMAHA_724F:
1910 	case PCI_DEVICE_ID_YAMAHA_740C:
1911 	case PCI_DEVICE_ID_YAMAHA_744:
1912 	case PCI_DEVICE_ID_YAMAHA_754:
1913 		inst = CntrlInst1E;
1914 		break;
1915 	default:
1916 		inst = CntrlInst;
1917 		break;
1918 	}
1919 	for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++)
1920 		snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), inst[i]);
1921 
1922 	snd_ymfpci_enable_dsp(chip);
1923 }
1924 
1925 static int __devinit snd_ymfpci_memalloc(ymfpci_t *chip)
1926 {
1927 	long size, playback_ctrl_size;
1928 	int voice, bank, reg;
1929 	u8 *ptr;
1930 	dma_addr_t ptr_addr;
1931 
1932 	playback_ctrl_size = 4 + 4 * YDSXG_PLAYBACK_VOICES;
1933 	chip->bank_size_playback = snd_ymfpci_readl(chip, YDSXGR_PLAYCTRLSIZE) << 2;
1934 	chip->bank_size_capture = snd_ymfpci_readl(chip, YDSXGR_RECCTRLSIZE) << 2;
1935 	chip->bank_size_effect = snd_ymfpci_readl(chip, YDSXGR_EFFCTRLSIZE) << 2;
1936 	chip->work_size = YDSXG_DEFAULT_WORK_SIZE;
1937 
1938 	size = ((playback_ctrl_size + 0x00ff) & ~0x00ff) +
1939 	       ((chip->bank_size_playback * 2 * YDSXG_PLAYBACK_VOICES + 0x00ff) & ~0x00ff) +
1940 	       ((chip->bank_size_capture * 2 * YDSXG_CAPTURE_VOICES + 0x00ff) & ~0x00ff) +
1941 	       ((chip->bank_size_effect * 2 * YDSXG_EFFECT_VOICES + 0x00ff) & ~0x00ff) +
1942 	       chip->work_size;
1943 	/* work_ptr must be aligned to 256 bytes, but it's already
1944 	   covered with the kernel page allocation mechanism */
1945 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
1946 				size, &chip->work_ptr) < 0)
1947 		return -ENOMEM;
1948 	ptr = chip->work_ptr.area;
1949 	ptr_addr = chip->work_ptr.addr;
1950 	memset(ptr, 0, size);	/* for sure */
1951 
1952 	chip->bank_base_playback = ptr;
1953 	chip->bank_base_playback_addr = ptr_addr;
1954 	chip->ctrl_playback = (u32 *)ptr;
1955 	chip->ctrl_playback[0] = cpu_to_le32(YDSXG_PLAYBACK_VOICES);
1956 	ptr += (playback_ctrl_size + 0x00ff) & ~0x00ff;
1957 	ptr_addr += (playback_ctrl_size + 0x00ff) & ~0x00ff;
1958 	for (voice = 0; voice < YDSXG_PLAYBACK_VOICES; voice++) {
1959 		chip->voices[voice].number = voice;
1960 		chip->voices[voice].bank = (snd_ymfpci_playback_bank_t *)ptr;
1961 		chip->voices[voice].bank_addr = ptr_addr;
1962 		for (bank = 0; bank < 2; bank++) {
1963 			chip->bank_playback[voice][bank] = (snd_ymfpci_playback_bank_t *)ptr;
1964 			ptr += chip->bank_size_playback;
1965 			ptr_addr += chip->bank_size_playback;
1966 		}
1967 	}
1968 	ptr = (char *)(((unsigned long)ptr + 0x00ff) & ~0x00ff);
1969 	ptr_addr = (ptr_addr + 0x00ff) & ~0x00ff;
1970 	chip->bank_base_capture = ptr;
1971 	chip->bank_base_capture_addr = ptr_addr;
1972 	for (voice = 0; voice < YDSXG_CAPTURE_VOICES; voice++)
1973 		for (bank = 0; bank < 2; bank++) {
1974 			chip->bank_capture[voice][bank] = (snd_ymfpci_capture_bank_t *)ptr;
1975 			ptr += chip->bank_size_capture;
1976 			ptr_addr += chip->bank_size_capture;
1977 		}
1978 	ptr = (char *)(((unsigned long)ptr + 0x00ff) & ~0x00ff);
1979 	ptr_addr = (ptr_addr + 0x00ff) & ~0x00ff;
1980 	chip->bank_base_effect = ptr;
1981 	chip->bank_base_effect_addr = ptr_addr;
1982 	for (voice = 0; voice < YDSXG_EFFECT_VOICES; voice++)
1983 		for (bank = 0; bank < 2; bank++) {
1984 			chip->bank_effect[voice][bank] = (snd_ymfpci_effect_bank_t *)ptr;
1985 			ptr += chip->bank_size_effect;
1986 			ptr_addr += chip->bank_size_effect;
1987 		}
1988 	ptr = (char *)(((unsigned long)ptr + 0x00ff) & ~0x00ff);
1989 	ptr_addr = (ptr_addr + 0x00ff) & ~0x00ff;
1990 	chip->work_base = ptr;
1991 	chip->work_base_addr = ptr_addr;
1992 
1993 	snd_assert(ptr + chip->work_size == chip->work_ptr.area + chip->work_ptr.bytes, );
1994 
1995 	snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr);
1996 	snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, chip->bank_base_capture_addr);
1997 	snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, chip->bank_base_effect_addr);
1998 	snd_ymfpci_writel(chip, YDSXGR_WORKBASE, chip->work_base_addr);
1999 	snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, chip->work_size >> 2);
2000 
2001 	/* S/PDIF output initialization */
2002 	chip->spdif_bits = chip->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF & 0xffff;
2003 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL, 0);
2004 	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
2005 
2006 	/* S/PDIF input initialization */
2007 	snd_ymfpci_writew(chip, YDSXGR_SPDIFINCTRL, 0);
2008 
2009 	/* digital mixer setup */
2010 	for (reg = 0x80; reg < 0xc0; reg += 4)
2011 		snd_ymfpci_writel(chip, reg, 0);
2012 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff);
2013 	snd_ymfpci_writel(chip, YDSXGR_ZVOUTVOL, 0x3fff3fff);
2014 	snd_ymfpci_writel(chip, YDSXGR_SPDIFOUTVOL, 0x3fff3fff);
2015 	snd_ymfpci_writel(chip, YDSXGR_NATIVEADCINVOL, 0x3fff3fff);
2016 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACINVOL, 0x3fff3fff);
2017 	snd_ymfpci_writel(chip, YDSXGR_PRIADCLOOPVOL, 0x3fff3fff);
2018 	snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0x3fff3fff);
2019 
2020 	return 0;
2021 }
2022 
2023 static int snd_ymfpci_free(ymfpci_t *chip)
2024 {
2025 	u16 ctrl;
2026 
2027 	snd_assert(chip != NULL, return -EINVAL);
2028 
2029 	if (chip->res_reg_area) {	/* don't touch busy hardware */
2030 		snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
2031 		snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0);
2032 		snd_ymfpci_writel(chip, YDSXGR_LEGACYOUTVOL, 0);
2033 		snd_ymfpci_writel(chip, YDSXGR_STATUS, ~0);
2034 		snd_ymfpci_disable_dsp(chip);
2035 		snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, 0);
2036 		snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, 0);
2037 		snd_ymfpci_writel(chip, YDSXGR_EFFCTRLBASE, 0);
2038 		snd_ymfpci_writel(chip, YDSXGR_WORKBASE, 0);
2039 		snd_ymfpci_writel(chip, YDSXGR_WORKSIZE, 0);
2040 		ctrl = snd_ymfpci_readw(chip, YDSXGR_GLOBALCTRL);
2041 		snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
2042 	}
2043 
2044 	snd_ymfpci_ac3_done(chip);
2045 
2046 	/* Set PCI device to D3 state */
2047 #if 0
2048 	/* FIXME: temporarily disabled, otherwise we cannot fire up
2049 	 * the chip again unless reboot.  ACPI bug?
2050 	 */
2051 	pci_set_power_state(chip->pci, 3);
2052 #endif
2053 
2054 #ifdef CONFIG_PM
2055 	vfree(chip->saved_regs);
2056 #endif
2057 	if (chip->mpu_res) {
2058 		release_resource(chip->mpu_res);
2059 		kfree_nocheck(chip->mpu_res);
2060 	}
2061 	if (chip->fm_res) {
2062 		release_resource(chip->fm_res);
2063 		kfree_nocheck(chip->fm_res);
2064 	}
2065 	snd_ymfpci_free_gameport(chip);
2066 	if (chip->reg_area_virt)
2067 		iounmap(chip->reg_area_virt);
2068 	if (chip->work_ptr.area)
2069 		snd_dma_free_pages(&chip->work_ptr);
2070 
2071 	if (chip->irq >= 0)
2072 		free_irq(chip->irq, (void *)chip);
2073 	if (chip->res_reg_area) {
2074 		release_resource(chip->res_reg_area);
2075 		kfree_nocheck(chip->res_reg_area);
2076 	}
2077 
2078 	pci_write_config_word(chip->pci, 0x40, chip->old_legacy_ctrl);
2079 
2080 	pci_disable_device(chip->pci);
2081 	kfree(chip);
2082 	return 0;
2083 }
2084 
2085 static int snd_ymfpci_dev_free(snd_device_t *device)
2086 {
2087 	ymfpci_t *chip = device->device_data;
2088 	return snd_ymfpci_free(chip);
2089 }
2090 
2091 #ifdef CONFIG_PM
2092 static int saved_regs_index[] = {
2093 	/* spdif */
2094 	YDSXGR_SPDIFOUTCTRL,
2095 	YDSXGR_SPDIFOUTSTATUS,
2096 	YDSXGR_SPDIFINCTRL,
2097 	/* volumes */
2098 	YDSXGR_PRIADCLOOPVOL,
2099 	YDSXGR_NATIVEDACINVOL,
2100 	YDSXGR_NATIVEDACOUTVOL,
2101 	// YDSXGR_BUF441OUTVOL,
2102 	YDSXGR_NATIVEADCINVOL,
2103 	YDSXGR_SPDIFLOOPVOL,
2104 	YDSXGR_SPDIFOUTVOL,
2105 	YDSXGR_ZVOUTVOL,
2106 	YDSXGR_LEGACYOUTVOL,
2107 	/* address bases */
2108 	YDSXGR_PLAYCTRLBASE,
2109 	YDSXGR_RECCTRLBASE,
2110 	YDSXGR_EFFCTRLBASE,
2111 	YDSXGR_WORKBASE,
2112 	/* capture set up */
2113 	YDSXGR_MAPOFREC,
2114 	YDSXGR_RECFORMAT,
2115 	YDSXGR_RECSLOTSR,
2116 	YDSXGR_ADCFORMAT,
2117 	YDSXGR_ADCSLOTSR,
2118 };
2119 #define YDSXGR_NUM_SAVED_REGS	ARRAY_SIZE(saved_regs_index)
2120 
2121 static int snd_ymfpci_suspend(snd_card_t *card, pm_message_t state)
2122 {
2123 	ymfpci_t *chip = card->pm_private_data;
2124 	unsigned int i;
2125 
2126 	snd_pcm_suspend_all(chip->pcm);
2127 	snd_pcm_suspend_all(chip->pcm2);
2128 	snd_pcm_suspend_all(chip->pcm_spdif);
2129 	snd_pcm_suspend_all(chip->pcm_4ch);
2130 	snd_ac97_suspend(chip->ac97);
2131 	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)
2132 		chip->saved_regs[i] = snd_ymfpci_readl(chip, saved_regs_index[i]);
2133 	chip->saved_ydsxgr_mode = snd_ymfpci_readl(chip, YDSXGR_MODE);
2134 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
2135 	snd_ymfpci_disable_dsp(chip);
2136 	pci_disable_device(chip->pci);
2137 	return 0;
2138 }
2139 
2140 static int snd_ymfpci_resume(snd_card_t *card)
2141 {
2142 	ymfpci_t *chip = card->pm_private_data;
2143 	unsigned int i;
2144 
2145 	pci_enable_device(chip->pci);
2146 	pci_set_master(chip->pci);
2147 	snd_ymfpci_aclink_reset(chip->pci);
2148 	snd_ymfpci_codec_ready(chip, 0);
2149 	snd_ymfpci_download_image(chip);
2150 	udelay(100);
2151 
2152 	for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++)
2153 		snd_ymfpci_writel(chip, saved_regs_index[i], chip->saved_regs[i]);
2154 
2155 	snd_ac97_resume(chip->ac97);
2156 
2157 	/* start hw again */
2158 	if (chip->start_count > 0) {
2159 		spin_lock_irq(&chip->reg_lock);
2160 		snd_ymfpci_writel(chip, YDSXGR_MODE, chip->saved_ydsxgr_mode);
2161 		chip->active_bank = snd_ymfpci_readl(chip, YDSXGR_CTRLSELECT);
2162 		spin_unlock_irq(&chip->reg_lock);
2163 	}
2164 	return 0;
2165 }
2166 #endif /* CONFIG_PM */
2167 
2168 int __devinit snd_ymfpci_create(snd_card_t * card,
2169 				struct pci_dev * pci,
2170 				unsigned short old_legacy_ctrl,
2171 				ymfpci_t ** rchip)
2172 {
2173 	ymfpci_t *chip;
2174 	int err;
2175 	static snd_device_ops_t ops = {
2176 		.dev_free =	snd_ymfpci_dev_free,
2177 	};
2178 
2179 	*rchip = NULL;
2180 
2181 	/* enable PCI device */
2182 	if ((err = pci_enable_device(pci)) < 0)
2183 		return err;
2184 
2185 	chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
2186 	if (chip == NULL) {
2187 		pci_disable_device(pci);
2188 		return -ENOMEM;
2189 	}
2190 	chip->old_legacy_ctrl = old_legacy_ctrl;
2191 	spin_lock_init(&chip->reg_lock);
2192 	spin_lock_init(&chip->voice_lock);
2193 	init_waitqueue_head(&chip->interrupt_sleep);
2194 	atomic_set(&chip->interrupt_sleep_count, 0);
2195 	chip->card = card;
2196 	chip->pci = pci;
2197 	chip->irq = -1;
2198 	chip->device_id = pci->device;
2199 	pci_read_config_byte(pci, PCI_REVISION_ID, (u8 *)&chip->rev);
2200 	chip->reg_area_phys = pci_resource_start(pci, 0);
2201 	chip->reg_area_virt = ioremap_nocache(chip->reg_area_phys, 0x8000);
2202 	pci_set_master(pci);
2203 
2204 	if ((chip->res_reg_area = request_mem_region(chip->reg_area_phys, 0x8000, "YMFPCI")) == NULL) {
2205 		snd_printk("unable to grab memory region 0x%lx-0x%lx\n", chip->reg_area_phys, chip->reg_area_phys + 0x8000 - 1);
2206 		snd_ymfpci_free(chip);
2207 		return -EBUSY;
2208 	}
2209 	if (request_irq(pci->irq, snd_ymfpci_interrupt, SA_INTERRUPT|SA_SHIRQ, "YMFPCI", (void *) chip)) {
2210 		snd_printk("unable to grab IRQ %d\n", pci->irq);
2211 		snd_ymfpci_free(chip);
2212 		return -EBUSY;
2213 	}
2214 	chip->irq = pci->irq;
2215 
2216 	snd_ymfpci_aclink_reset(pci);
2217 	if (snd_ymfpci_codec_ready(chip, 0) < 0) {
2218 		snd_ymfpci_free(chip);
2219 		return -EIO;
2220 	}
2221 
2222 	snd_ymfpci_download_image(chip);
2223 
2224 	udelay(100); /* seems we need a delay after downloading image.. */
2225 
2226 	if (snd_ymfpci_memalloc(chip) < 0) {
2227 		snd_ymfpci_free(chip);
2228 		return -EIO;
2229 	}
2230 
2231 	if ((err = snd_ymfpci_ac3_init(chip)) < 0) {
2232 		snd_ymfpci_free(chip);
2233 		return err;
2234 	}
2235 
2236 #ifdef CONFIG_PM
2237 	chip->saved_regs = vmalloc(YDSXGR_NUM_SAVED_REGS * sizeof(u32));
2238 	if (chip->saved_regs == NULL) {
2239 		snd_ymfpci_free(chip);
2240 		return -ENOMEM;
2241 	}
2242 	snd_card_set_pm_callback(card, snd_ymfpci_suspend, snd_ymfpci_resume, chip);
2243 #endif
2244 
2245 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2246 		snd_ymfpci_free(chip);
2247 		return err;
2248 	}
2249 
2250 	snd_ymfpci_proc_init(card, chip);
2251 
2252 	snd_card_set_dev(card, &pci->dev);
2253 
2254 	*rchip = chip;
2255 	return 0;
2256 }
2257