ymfpci_main.c

来自「优龙2410linux2.6.8内核源代码」· C语言 代码 · 共 2,233 行 · 第 1/5 页

	ypcm->output_front = 1;
	ypcm->output_rear = chip->mode_dup4ch ? 1 : 0;
	spin_lock_irqsave(&chip->reg_lock, flags);
	if (ypcm->output_rear) {
		ymfpci_open_extension(chip);
		chip->rear_opened++;
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_ymfpci_playback_spdif_open(snd_pcm_substream_t * substream)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	snd_pcm_runtime_t *runtime = substream->runtime;
	ymfpci_pcm_t *ypcm;
	unsigned long flags;
	int err;
	
	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
		return err;
	ypcm = snd_magic_cast(ymfpci_pcm_t, runtime->private_data, return 0);
	ypcm->output_front = 0;
	ypcm->output_rear = 1;
	spin_lock_irqsave(&chip->reg_lock, flags);
	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) | 2);
	ymfpci_open_extension(chip);
	chip->spdif_pcm_bits = chip->spdif_bits;
	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_pcm_bits);
	chip->spdif_opened++;
	spin_unlock_irqrestore(&chip->reg_lock, flags);

	chip->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
	return 0;
}

static int snd_ymfpci_playback_4ch_open(snd_pcm_substream_t * substream)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	snd_pcm_runtime_t *runtime = substream->runtime;
	ymfpci_pcm_t *ypcm;
	unsigned long flags;
	int err;
	
	if ((err = snd_ymfpci_playback_open_1(substream)) < 0)
		return err;
	ypcm = snd_magic_cast(ymfpci_pcm_t, runtime->private_data, return 0);
	ypcm->output_front = 0;
	ypcm->output_rear = 1;
	spin_lock_irqsave(&chip->reg_lock, flags);
	ymfpci_open_extension(chip);
	chip->rear_opened++;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_ymfpci_capture_open(snd_pcm_substream_t * substream,
				   u32 capture_bank_number)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	snd_pcm_runtime_t *runtime = substream->runtime;
	ymfpci_pcm_t *ypcm;

	ypcm = snd_magic_kcalloc(ymfpci_pcm_t, 0, GFP_KERNEL);
	if (ypcm == NULL)
		return -ENOMEM;
	ypcm->chip = chip;
	ypcm->type = capture_bank_number + CAPTURE_REC;
	ypcm->substream = substream;	
	ypcm->capture_bank_number = capture_bank_number;
	chip->capture_substream[capture_bank_number] = substream;
	runtime->hw = snd_ymfpci_capture;
	/* FIXME? True value is 256/48 = 5.33333 ms */
	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 5333, UINT_MAX);
	runtime->private_data = ypcm;
	runtime->private_free = snd_ymfpci_pcm_free_substream;
	snd_ymfpci_hw_start(chip);
	return 0;
}

static int snd_ymfpci_capture_rec_open(snd_pcm_substream_t * substream)
{
	return snd_ymfpci_capture_open(substream, 0);
}

static int snd_ymfpci_capture_ac97_open(snd_pcm_substream_t * substream)
{
	return snd_ymfpci_capture_open(substream, 1);
}

static int snd_ymfpci_playback_close_1(snd_pcm_substream_t * substream)
{
	return 0;
}

static int snd_ymfpci_playback_close(snd_pcm_substream_t * substream)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	ymfpci_pcm_t *ypcm = snd_magic_cast(ymfpci_pcm_t, substream->runtime->private_data, return -ENXIO);
	unsigned long flags;

	spin_lock_irqsave(&chip->reg_lock, flags);
	if (ypcm->output_rear && chip->rear_opened > 0) {
		chip->rear_opened--;
		ymfpci_close_extension(chip);
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return snd_ymfpci_playback_close_1(substream);
}

static int snd_ymfpci_playback_spdif_close(snd_pcm_substream_t * substream)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	unsigned long flags;

	spin_lock_irqsave(&chip->reg_lock, flags);
	chip->spdif_opened = 0;
	ymfpci_close_extension(chip);
	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTCTRL,
			  snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & ~2);
	snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	chip->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
	snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
		       SNDRV_CTL_EVENT_MASK_INFO, &chip->spdif_pcm_ctl->id);
	return snd_ymfpci_playback_close_1(substream);
}

static int snd_ymfpci_playback_4ch_close(snd_pcm_substream_t * substream)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	unsigned long flags;

	spin_lock_irqsave(&chip->reg_lock, flags);
	if (chip->rear_opened > 0) {
		chip->rear_opened--;
		ymfpci_close_extension(chip);
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return snd_ymfpci_playback_close_1(substream);
}

static int snd_ymfpci_capture_close(snd_pcm_substream_t * substream)
{
	ymfpci_t *chip = snd_pcm_substream_chip(substream);
	snd_pcm_runtime_t *runtime = substream->runtime;
	ymfpci_pcm_t *ypcm = snd_magic_cast(ymfpci_pcm_t, runtime->private_data, return -ENXIO);

	if (ypcm != NULL) {
		chip->capture_substream[ypcm->capture_bank_number] = NULL;
		snd_ymfpci_hw_stop(chip);
	}
	return 0;
}

static snd_pcm_ops_t snd_ymfpci_playback_ops = {
	.open =			snd_ymfpci_playback_open,
	.close =		snd_ymfpci_playback_close,
	.ioctl =		snd_pcm_lib_ioctl,
	.hw_params =		snd_ymfpci_playback_hw_params,
	.hw_free =		snd_ymfpci_playback_hw_free,
	.prepare =		snd_ymfpci_playback_prepare,
	.trigger =		snd_ymfpci_playback_trigger,
	.pointer =		snd_ymfpci_playback_pointer,
};

static snd_pcm_ops_t snd_ymfpci_capture_rec_ops = {
	.open =			snd_ymfpci_capture_rec_open,
	.close =		snd_ymfpci_capture_close,
	.ioctl =		snd_pcm_lib_ioctl,
	.hw_params =		snd_ymfpci_capture_hw_params,
	.hw_free =		snd_ymfpci_capture_hw_free,
	.prepare =		snd_ymfpci_capture_prepare,
	.trigger =		snd_ymfpci_capture_trigger,
	.pointer =		snd_ymfpci_capture_pointer,
};

static void snd_ymfpci_pcm_free(snd_pcm_t *pcm)
{
	ymfpci_t *chip = snd_magic_cast(ymfpci_t, pcm->private_data, return);
	chip->pcm = NULL;
	snd_pcm_lib_preallocate_free_for_all(pcm);
}

int __devinit snd_ymfpci_pcm(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
{
	snd_pcm_t *pcm;
	int err;

	if (rpcm)
		*rpcm = NULL;
	if ((err = snd_pcm_new(chip->card, "YMFPCI", device, 32, 1, &pcm)) < 0)
		return err;
	pcm->private_data = chip;
	pcm->private_free = snd_ymfpci_pcm_free;

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_ops);
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_rec_ops);

	/* global setup */
	pcm->info_flags = 0;
	strcpy(pcm->name, "YMFPCI");
	chip->pcm = pcm;

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);

	if (rpcm)
		*rpcm = pcm;
	return 0;
}

static snd_pcm_ops_t snd_ymfpci_capture_ac97_ops = {
	.open =			snd_ymfpci_capture_ac97_open,
	.close =		snd_ymfpci_capture_close,
	.ioctl =		snd_pcm_lib_ioctl,
	.hw_params =		snd_ymfpci_capture_hw_params,
	.hw_free =		snd_ymfpci_capture_hw_free,
	.prepare =		snd_ymfpci_capture_prepare,
	.trigger =		snd_ymfpci_capture_trigger,
	.pointer =		snd_ymfpci_capture_pointer,
};

static void snd_ymfpci_pcm2_free(snd_pcm_t *pcm)
{
	ymfpci_t *chip = snd_magic_cast(ymfpci_t, pcm->private_data, return);
	chip->pcm2 = NULL;
	snd_pcm_lib_preallocate_free_for_all(pcm);
}

int __devinit snd_ymfpci_pcm2(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
{
	snd_pcm_t *pcm;
	int err;

	if (rpcm)
		*rpcm = NULL;
	if ((err = snd_pcm_new(chip->card, "YMFPCI - PCM2", device, 0, 1, &pcm)) < 0)
		return err;
	pcm->private_data = chip;
	pcm->private_free = snd_ymfpci_pcm2_free;

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ymfpci_capture_ac97_ops);

	/* global setup */
	pcm->info_flags = 0;
	sprintf(pcm->name, "YMFPCI - %s",
		chip->device_id == PCI_DEVICE_ID_YAMAHA_754 ? "Direct Recording" : "AC'97");
	chip->pcm2 = pcm;

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);

	if (rpcm)
		*rpcm = pcm;
	return 0;
}

static snd_pcm_ops_t snd_ymfpci_playback_spdif_ops = {
	.open =			snd_ymfpci_playback_spdif_open,
	.close =		snd_ymfpci_playback_spdif_close,
	.ioctl =		snd_pcm_lib_ioctl,
	.hw_params =		snd_ymfpci_playback_hw_params,
	.hw_free =		snd_ymfpci_playback_hw_free,
	.prepare =		snd_ymfpci_playback_prepare,
	.trigger =		snd_ymfpci_playback_trigger,
	.pointer =		snd_ymfpci_playback_pointer,
};

static void snd_ymfpci_pcm_spdif_free(snd_pcm_t *pcm)
{
	ymfpci_t *chip = snd_magic_cast(ymfpci_t, pcm->private_data, return);
	chip->pcm_spdif = NULL;
	snd_pcm_lib_preallocate_free_for_all(pcm);
}

int __devinit snd_ymfpci_pcm_spdif(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
{
	snd_pcm_t *pcm;
	int err;

	if (rpcm)
		*rpcm = NULL;
	if ((err = snd_pcm_new(chip->card, "YMFPCI - IEC958", device, 1, 0, &pcm)) < 0)
		return err;
	pcm->private_data = chip;
	pcm->private_free = snd_ymfpci_pcm_spdif_free;

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_spdif_ops);

	/* global setup */
	pcm->info_flags = 0;
	strcpy(pcm->name, "YMFPCI - IEC958");
	chip->pcm_spdif = pcm;

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);

	if (rpcm)
		*rpcm = pcm;
	return 0;
}

static snd_pcm_ops_t snd_ymfpci_playback_4ch_ops = {
	.open =			snd_ymfpci_playback_4ch_open,
	.close =		snd_ymfpci_playback_4ch_close,
	.ioctl =		snd_pcm_lib_ioctl,
	.hw_params =		snd_ymfpci_playback_hw_params,
	.hw_free =		snd_ymfpci_playback_hw_free,
	.prepare =		snd_ymfpci_playback_prepare,
	.trigger =		snd_ymfpci_playback_trigger,
	.pointer =		snd_ymfpci_playback_pointer,
};

static void snd_ymfpci_pcm_4ch_free(snd_pcm_t *pcm)
{
	ymfpci_t *chip = snd_magic_cast(ymfpci_t, pcm->private_data, return);
	chip->pcm_4ch = NULL;
	snd_pcm_lib_preallocate_free_for_all(pcm);
}

int __devinit snd_ymfpci_pcm_4ch(ymfpci_t *chip, int device, snd_pcm_t ** rpcm)
{
	snd_pcm_t *pcm;
	int err;

	if (rpcm)
		*rpcm = NULL;
	if ((err = snd_pcm_new(chip->card, "YMFPCI - Rear", device, 1, 0, &pcm)) < 0)
		return err;
	pcm->private_data = chip;
	pcm->private_free = snd_ymfpci_pcm_4ch_free;

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ymfpci_playback_4ch_ops);

	/* global setup */
	pcm->info_flags = 0;
	strcpy(pcm->name, "YMFPCI - Rear PCM");
	chip->pcm_4ch = pcm;

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_pci_data(chip->pci), 64*1024, 256*1024);

	if (rpcm)
		*rpcm = pcm;
	return 0;
}

static int snd_ymfpci_spdif_default_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int snd_ymfpci_spdif_default_get(snd_kcontrol_t * kcontrol,
					snd_ctl_elem_value_t * ucontrol)
{
	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;

	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.iec958.status[0] = (chip->spdif_bits >> 0) & 0xff;
	ucontrol->value.iec958.status[1] = (chip->spdif_bits >> 8) & 0xff;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_ymfpci_spdif_default_put(snd_kcontrol_t * kcontrol,
					 snd_ctl_elem_value_t * ucontrol)
{
	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	unsigned int val;
	int change;

	val = ((ucontrol->value.iec958.status[0] & 0x3e) << 0) |
	      (ucontrol->value.iec958.status[1] << 8);
	spin_lock_irqsave(&chip->reg_lock, flags);
	change = chip->spdif_bits != val;
	chip->spdif_bits = val;
	if ((snd_ymfpci_readw(chip, YDSXGR_SPDIFOUTCTRL) & 1) && chip->pcm_spdif == NULL)
		snd_ymfpci_writew(chip, YDSXGR_SPDIFOUTSTATUS, chip->spdif_bits);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

static snd_kcontrol_new_t snd_ymfpci_spdif_default __devinitdata =
{
	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
	.info =		snd_ymfpci_spdif_default_info,
	.get =		snd_ymfpci_spdif_default_get,
	.put =		snd_ymfpci_spdif_default_put
};

static int snd_ymfpci_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int snd_ymfpci_spdif_mask_get(snd_kcontrol_t * kcontrol,
				      snd_ctl_elem_value_t * ucontrol)
{
	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;

	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.iec958.status[0] = 0x3e;
	ucontrol->value.iec958.status[1] = 0xff;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static snd_kcontrol_new_t snd_ymfpci_spdif_mask __devinitdata =
{
	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
	.info =		snd_ymfpci_spdif_mask_info,
	.get =		snd_ymfpci_spdif_mask_get,
};

static int snd_ymfpci_spdif_stream_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static int snd_ymfpci_spdif_stream_get(snd_kcontrol_t * kcontrol,
					snd_ctl_elem_value_t * ucontrol)
{
	ymfpci_t *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;

	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.iec958.status[0] = (chip->spdif_pcm_bits >> 0) & 0xff;
	ucontrol->value.iec958.status[1] = (chip->spdif_pcm_bits >> 8) & 0xff;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}