i2c/other/ak4113.c

15 #include <sound/ak4113.h>
26 static void ak4113_init_regs(struct ak4113 *chip);
29 static void reg_write(struct ak4113 *ak4113, unsigned char reg,
32 	ak4113->write(ak4113->private_data, reg, val);
33 	if (reg < sizeof(ak4113->regmap))
34 		ak4113->regmap[reg] = val;
37 static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg)
39 	return ak4113->read(ak4113->private_data, reg);
42 static void snd_ak4113_free(struct ak4113 *chip)
51 	struct ak4113 *chip = device->device_data;
58 		void *private_data, struct ak4113 **r_ak4113)
60 	struct ak4113 *chip;
101 void snd_ak4113_reg_write(struct ak4113 *chip, unsigned char reg,
110 static void ak4113_init_regs(struct ak4113 *chip)
126 void snd_ak4113_reinit(struct ak4113 *chip)
186 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
201 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
224 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
234 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
262 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
280 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
317 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
342 	struct ak4113 *chip = snd_kcontrol_chip(kcontrol);
469 	struct ak4113 *ak4113 = entry->private_data;
471 	/* all ak4113 registers 0x00 - 0x1c */
473 		val = reg_read(ak4113, reg);
478 static void snd_ak4113_proc_init(struct ak4113 *ak4113)
480 	snd_card_ro_proc_new(ak4113->card, "ak4113", ak4113,
484 int snd_ak4113_build(struct ak4113 *ak4113,
493 	ak4113->substream = cap_substream;
495 		kctl = snd_ctl_new1(&snd_ak4113_iec958_controls[idx], ak4113);
500 		err = snd_ctl_add(ak4113->card, kctl);
503 		ak4113->kctls[idx] = kctl;
505 	snd_ak4113_proc_init(ak4113);
507 	schedule_delayed_work(&ak4113->work, HZ / 10);
512 int snd_ak4113_external_rate(struct ak4113 *ak4113)
516 	rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
521 int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags)
524 		ak4113->substream ? ak4113->substream->runtime : NULL;
530 	rcs1 = reg_read(ak4113, AK4113_REG_RCS1);
533 	rcs0 = reg_read(ak4113, AK4113_REG_RCS0);
534 	rcs2 = reg_read(ak4113, AK4113_REG_RCS2);
535 	spin_lock_irqsave(&ak4113->lock, _flags);
537 		ak4113->errors[AK4113_PARITY_ERRORS]++;
539 		ak4113->errors[AK4113_V_BIT_ERRORS]++;
541 		ak4113->errors[AK4113_CCRC_ERRORS]++;
543 		ak4113->errors[AK4113_QCRC_ERRORS]++;
544 	c0 = (ak4113->rcs0 & (AK4113_QINT | AK4113_CINT | AK4113_STC |
548 	c1 = (ak4113->rcs1 & (AK4113_DTSCD | AK4113_NPCM | AK4113_PEM |
552 	ak4113->rcs0 = rcs0 & ~(AK4113_QINT | AK4113_CINT | AK4113_STC);
553 	ak4113->rcs1 = rcs1;
554 	ak4113->rcs2 = rcs2;
555 	spin_unlock_irqrestore(&ak4113->lock, _flags);
558 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
559 				&ak4113->kctls[0]->id);
561 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
562 				&ak4113->kctls[1]->id);
564 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
565 				&ak4113->kctls[2]->id);
567 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
568 				&ak4113->kctls[3]->id);
572 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
573 				&ak4113->kctls[4]->id);
576 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
577 				&ak4113->kctls[6]->id);
579 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
580 				&ak4113->kctls[8]->id);
583 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
584 				&ak4113->kctls[9]->id);
586 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
587 				&ak4113->kctls[10]->id);
589 		snd_ctl_notify(ak4113->card, SNDRV_CTL_EVENT_MASK_VALUE,
590 				&ak4113->kctls[11]->id);
592 	if (ak4113->change_callback && (c0 | c1) != 0)
593 		ak4113->change_callback(ak4113, c0, c1);
600 		snd_pcm_stream_lock_irqsave(ak4113->substream, _flags);
601 		if (snd_pcm_running(ak4113->substream)) {
602 			snd_pcm_stop(ak4113->substream,
607 		snd_pcm_stream_unlock_irqrestore(ak4113->substream, _flags);
615 	struct ak4113 *chip = container_of(work, struct ak4113, work.work);
625 void snd_ak4113_suspend(struct ak4113 *chip)
632 void snd_ak4113_resume(struct ak4113 *chip)