コード例 #1
0
ファイル: au88x0_pcm.c プロジェクト: 513855417/linux
/* hw_free callback */
static int snd_vortex_pcm_hw_free(struct snd_pcm_substream *substream)
{
	vortex_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) (substream->runtime->private_data);

	spin_lock_irq(&chip->lock);
	// Delete audio routes.
	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
		if (stream != NULL) {
			if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
				chip->pcm_vol[substream->number].active = 0;
				vortex_notify_pcm_vol_change(chip->card,
					chip->pcm_vol[substream->number].kctl,
					0);
			}
			vortex_adb_allocroute(chip, stream->dma,
					      stream->nr_ch, stream->dir,
					      stream->type,
					      substream->number);
		}
	}
#ifndef CHIP_AU8810
	else {
		if (stream != NULL)
			vortex_wt_allocroute(chip, stream->dma, 0);
	}
#endif
	substream->runtime->private_data = NULL;
	spin_unlock_irq(&chip->lock);

	return snd_pcm_lib_free_pages(substream);
}
コード例 #2
0
/* prepare callback */
static int snd_vortex_pcm_prepare(snd_pcm_substream_t * substream)
{
	vortex_t *chip = snd_pcm_substream_chip(substream);
	snd_pcm_runtime_t *runtime = substream->runtime;
	stream_t *stream = (stream_t *) substream->runtime->private_data;
	int dma = stream->dma, fmt, dir;

	// set up the hardware with the current configuration.
	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		dir = 1;
	else
		dir = 0;
	fmt = vortex_alsafmt_aspfmt(runtime->format);
	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
		vortex_adbdma_setmode(chip, dma, 1, dir, fmt, 0 /*? */ ,
				      0);
		vortex_adbdma_setstartbuffer(chip, dma, 0);
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF)
			vortex_adb_setsrc(chip, dma, runtime->rate, dir);
	}
#ifndef CHIP_AU8810
	else {
		vortex_wtdma_setmode(chip, dma, 1, fmt, 0, 0);
		// FIXME: Set rate (i guess using vortex_wt_writereg() somehow).
		vortex_wtdma_setstartbuffer(chip, dma, 0);
	}
#endif
	return 0;
}
コード例 #3
0
/* trigger callback */
static int snd_vortex_pcm_trigger(snd_pcm_substream_t * substream, int cmd)
{
	chip_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) substream->runtime->private_data;
	int dma = stream->dma;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		// do something to start the PCM engine
		//printk(KERN_INFO "vortex: start %d\n", dma);
		stream->fifo_enabled = 1;
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_startfifo(chip, dma);
#ifndef CHIP_AU8810
		else {
			printk(KERN_INFO "vortex: wt start %d\n", dma);
			vortex_wtdma_startfifo(chip, dma);
		}
#endif
		break;
	case SNDRV_PCM_TRIGGER_STOP:
		// do something to stop the PCM engine
		//printk(KERN_INFO "vortex: stop %d\n", dma);
		stream->fifo_enabled = 0;
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_pausefifo(chip, dma);
		//vortex_adbdma_stopfifo(chip, dma);
#ifndef CHIP_AU8810
		else {
			printk(KERN_INFO "vortex: wt stop %d\n", dma);
			vortex_wtdma_stopfifo(chip, dma);
		}
#endif
		break;
	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
		//printk(KERN_INFO "vortex: pause %d\n", dma);
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_pausefifo(chip, dma);
#ifndef CHIP_AU8810
		else
			vortex_wtdma_pausefifo(chip, dma);
#endif
		break;
	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
		//printk(KERN_INFO "vortex: resume %d\n", dma);
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_resumefifo(chip, dma);
#ifndef CHIP_AU8810
		else
			vortex_wtdma_resumefifo(chip, dma);
#endif
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
コード例 #4
0
/* open callback */
static int snd_vortex_pcm_open(snd_pcm_substream_t * substream)
{
	vortex_t *vortex = snd_pcm_substream_chip(substream);
	snd_pcm_runtime_t *runtime = substream->runtime;
	int err;
	
	/* Force equal size periods */
	if ((err =
	     snd_pcm_hw_constraint_integer(runtime,
					   SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
		return err;
	/* Avoid PAGE_SIZE boundary to fall inside of a period. */
	if ((err =
	     snd_pcm_hw_constraint_pow2(runtime, 0,
					SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0)
		return err;

	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
#ifndef CHIP_AU8820
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {
			runtime->hw = snd_vortex_playback_hw_a3d;
		}
#endif
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) {
			runtime->hw = snd_vortex_playback_hw_spdif;
			switch (vortex->spdif_sr) {
			case 32000:
				runtime->hw.rates = SNDRV_PCM_RATE_32000;
				break;
			case 44100:
				runtime->hw.rates = SNDRV_PCM_RATE_44100;
				break;
			case 48000:
				runtime->hw.rates = SNDRV_PCM_RATE_48000;
				break;
			}
		}
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB
		    || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
			runtime->hw = snd_vortex_playback_hw_adb;
		substream->runtime->private_data = NULL;
	}
#ifndef CHIP_AU8810
	else {
		runtime->hw = snd_vortex_playback_hw_wt;
		substream->runtime->private_data = NULL;
	}
#endif
	return 0;
}
コード例 #5
0
ファイル: au88x0_pcm.c プロジェクト: rrowicki/Chrono_Kernel-1
/* create a pcm device */
static int __devinit snd_vortex_new_pcm(vortex_t *chip, int idx, int nr)
{
	struct snd_pcm *pcm;
	struct snd_kcontrol *kctl;
	int i;
	int err, nr_capt;

	if (!chip || idx < 0 || idx >= VORTEX_PCM_LAST)
		return -ENODEV;

	/* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the 
	 * same dma engine. WT uses it own separate dma engine which can't capture. */
	if (idx == VORTEX_PCM_ADB)
		nr_capt = nr;
	else
		nr_capt = 0;
	err = snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
			  nr_capt, &pcm);
	if (err < 0)
		return err;
	snprintf(pcm->name, sizeof(pcm->name),
		"%s %s", CARD_NAME_SHORT, vortex_pcm_name[idx]);
	chip->pcm[idx] = pcm;
	// This is an evil hack, but it saves a lot of duplicated code.
	VORTEX_PCM_TYPE(pcm) = idx;
	pcm->private_data = chip;
	/* set operators */
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_vortex_playback_ops);
	if (idx == VORTEX_PCM_ADB)
		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
				&snd_vortex_playback_ops);
	
	/* pre-allocation of Scatter-Gather buffers */
	
	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
					      snd_dma_pci_data(chip->pci_dev),
					      0x10000, 0x10000);

	if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) {
		for (i = 0; i < ARRAY_SIZE(snd_vortex_mixer_spdif); i++) {
			kctl = snd_ctl_new1(&snd_vortex_mixer_spdif[i], chip);
			if (!kctl)
				return -ENOMEM;
			if ((err = snd_ctl_add(chip->card, kctl)) < 0)
				return err;
		}
	}
	return 0;
}
コード例 #6
0
/* create a pcm device */
static int __devinit snd_vortex_new_pcm(vortex_t * chip, int idx, int nr)
{
	snd_pcm_t *pcm;
	int err, nr_capt;

	if ((chip == 0) || (idx < 0) || (idx > VORTEX_PCM_LAST))
		return -ENODEV;

	/* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the 
	 * same dma engine. WT uses it own separate dma engine whcih cant capture. */
	if (idx == VORTEX_PCM_ADB)
		nr_capt = nr;
	else
		nr_capt = 0;
	if ((err =
	     snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
			 nr_capt, &pcm)) < 0)
		return err;
	strcpy(pcm->name, vortex_pcm_name[idx]);
	chip->pcm[idx] = pcm;
	// This is an evil hack, but it saves a lot of duplicated code.
	VORTEX_PCM_TYPE(pcm) = idx;
	pcm->private_data = chip;
	/* set operators */
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
			&snd_vortex_playback_ops);
	if (idx == VORTEX_PCM_ADB)
		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
				&snd_vortex_playback_ops);
	
	/* pre-allocation of Scatter-Gather buffers */
	
	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
					      snd_dma_pci_data(chip->pci_dev),
					      0x10000, 0x10000);

	if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) {
		snd_kcontrol_t *kcontrol;

		if ((kcontrol =
		     snd_ctl_new1(&vortex_spdif_kcontrol, chip)) == NULL)
			return -ENOMEM;
		if ((err = snd_ctl_add(chip->card, kcontrol)) < 0)
			return err;
	}
	return 0;
}
コード例 #7
0
/* pointer callback */
static snd_pcm_uframes_t snd_vortex_pcm_pointer(snd_pcm_substream_t * substream)
{
	vortex_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) substream->runtime->private_data;
	int dma = stream->dma;
	snd_pcm_uframes_t current_ptr = 0;

	spin_lock(&chip->lock);
	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
		current_ptr = vortex_adbdma_getlinearpos(chip, dma);
#ifndef CHIP_AU8810
	else
		current_ptr = vortex_wtdma_getlinearpos(chip, dma);
#endif
	//printk(KERN_INFO "vortex: pointer = 0x%x\n", current_ptr);
	spin_unlock(&chip->lock);
	return (bytes_to_frames(substream->runtime, current_ptr));
}
コード例 #8
0
/* hw_free callback */
static int snd_vortex_pcm_hw_free(snd_pcm_substream_t * substream)
{
	chip_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) (substream->runtime->private_data);

	// Delete audio routes.
	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
		if (stream != NULL)
			vortex_adb_allocroute(chip, stream->dma,
					      stream->nr_ch, stream->dir,
					      stream->type);
	}
#ifndef CHIP_AU8810
	else {
		if (stream != NULL)
			vortex_wt_allocroute(chip, stream->dma, 0);
	}
#endif
	substream->runtime->private_data = NULL;

	return snd_pcm_lib_free_pages(substream);
}
コード例 #9
0
/* hw_params callback */
static int
snd_vortex_pcm_hw_params(snd_pcm_substream_t * substream,
			 snd_pcm_hw_params_t * hw_params)
{
	chip_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) (substream->runtime->private_data);
	snd_pcm_sgbuf_t *sgbuf;
	int err;

	// Alloc buffer memory.
	err =
	    snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
	if (err < 0) {
		printk(KERN_ERR "Vortex: pcm page alloc failed!\n");
		return err;
	}
	//sgbuf = (snd_pcm_sgbuf_t *) substream->runtime->dma_private;
	sgbuf = snd_pcm_substream_sgbuf(substream);
	/*
	   printk(KERN_INFO "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
	   params_period_bytes(hw_params), params_channels(hw_params));
	 */
	// Make audio routes and config buffer DMA.
	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
		int dma, type = VORTEX_PCM_TYPE(substream->pcm);
		/* Dealloc any routes. */
		if (stream != NULL)
			vortex_adb_allocroute(chip, stream->dma,
					      stream->nr_ch, stream->dir,
					      stream->type);
		/* Alloc routes. */
		dma =
		    vortex_adb_allocroute(chip, -1,
					  params_channels(hw_params),
					  substream->stream, type);
		if (dma < 0)
			return dma;
		stream = substream->runtime->private_data = &chip->dma_adb[dma];
		stream->substream = substream;
		/* Setup Buffers. */
		vortex_adbdma_setbuffers(chip, dma, sgbuf,
					 params_period_bytes(hw_params),
					 params_periods(hw_params));
	}
#ifndef CHIP_AU8810
	else {
		/* if (stream != NULL)
		   vortex_wt_allocroute(chip, substream->number, 0); */
		vortex_wt_allocroute(chip, substream->number,
				     params_channels(hw_params));
		stream = substream->runtime->private_data =
		    &chip->dma_wt[substream->number];
		stream->dma = substream->number;
		stream->substream = substream;
		vortex_wtdma_setbuffers(chip, substream->number, sgbuf,
					params_period_bytes(hw_params),
					params_periods(hw_params));
	}
#endif
	return 0;
}
コード例 #10
0
ファイル: au88x0_pcm.c プロジェクト: 513855417/linux
/* hw_params callback */
static int
snd_vortex_pcm_hw_params(struct snd_pcm_substream *substream,
			 struct snd_pcm_hw_params *hw_params)
{
	vortex_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) (substream->runtime->private_data);
	int err;

	// Alloc buffer memory.
	err =
	    snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
	if (err < 0) {
		dev_err(chip->card->dev, "Vortex: pcm page alloc failed!\n");
		return err;
	}
	/*
	   pr_info( "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
	   params_period_bytes(hw_params), params_channels(hw_params));
	 */
	spin_lock_irq(&chip->lock);
	// Make audio routes and config buffer DMA.
	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
		int dma, type = VORTEX_PCM_TYPE(substream->pcm);
		/* Dealloc any routes. */
		if (stream != NULL)
			vortex_adb_allocroute(chip, stream->dma,
					      stream->nr_ch, stream->dir,
					      stream->type,
					      substream->number);
		/* Alloc routes. */
		dma =
		    vortex_adb_allocroute(chip, -1,
					  params_channels(hw_params),
					  substream->stream, type,
					  substream->number);
		if (dma < 0) {
			spin_unlock_irq(&chip->lock);
			return dma;
		}
		stream = substream->runtime->private_data = &chip->dma_adb[dma];
		stream->substream = substream;
		/* Setup Buffers. */
		vortex_adbdma_setbuffers(chip, dma,
					 params_period_bytes(hw_params),
					 params_periods(hw_params));
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
			chip->pcm_vol[substream->number].active = 1;
			vortex_notify_pcm_vol_change(chip->card,
				chip->pcm_vol[substream->number].kctl, 1);
		}
	}
#ifndef CHIP_AU8810
	else {
		/* if (stream != NULL)
		   vortex_wt_allocroute(chip, substream->number, 0); */
		vortex_wt_allocroute(chip, substream->number,
				     params_channels(hw_params));
		stream = substream->runtime->private_data =
		    &chip->dma_wt[substream->number];
		stream->dma = substream->number;
		stream->substream = substream;
		vortex_wtdma_setbuffers(chip, substream->number,
					params_period_bytes(hw_params),
					params_periods(hw_params));
	}
#endif
	spin_unlock_irq(&chip->lock);
	return 0;
}
コード例 #11
0
ファイル: au88x0_pcm.c プロジェクト: 513855417/linux
/* open callback */
static int snd_vortex_pcm_open(struct snd_pcm_substream *substream)
{
	vortex_t *vortex = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	int err;
	
	/* Force equal size periods */
	if ((err =
	     snd_pcm_hw_constraint_integer(runtime,
					   SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
		return err;
	/* Avoid PAGE_SIZE boundary to fall inside of a period. */
	if ((err =
	     snd_pcm_hw_constraint_pow2(runtime, 0,
					SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0)
		return err;

	snd_pcm_hw_constraint_step(runtime, 0,
					SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64);

	if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
#ifndef CHIP_AU8820
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {
			runtime->hw = snd_vortex_playback_hw_a3d;
		}
#endif
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) {
			runtime->hw = snd_vortex_playback_hw_spdif;
			switch (vortex->spdif_sr) {
			case 32000:
				runtime->hw.rates = SNDRV_PCM_RATE_32000;
				break;
			case 44100:
				runtime->hw.rates = SNDRV_PCM_RATE_44100;
				break;
			case 48000:
				runtime->hw.rates = SNDRV_PCM_RATE_48000;
				break;
			}
		}
		if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB
		    || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
			runtime->hw = snd_vortex_playback_hw_adb;
#ifdef CHIP_AU8830
		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
			VORTEX_IS_QUAD(vortex) &&
			VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
			runtime->hw.channels_max = 4;
			snd_pcm_hw_constraint_list(runtime, 0,
				SNDRV_PCM_HW_PARAM_CHANNELS,
				&hw_constraints_au8830_channels);
		}
#endif
		substream->runtime->private_data = NULL;
	}
#ifndef CHIP_AU8810
	else {
		runtime->hw = snd_vortex_playback_hw_wt;
		substream->runtime->private_data = NULL;
	}
#endif
	return 0;
}
コード例 #12
0
ファイル: au88x0_pcm.c プロジェクト: rrowicki/Chrono_Kernel-1
/* trigger callback */
static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
	vortex_t *chip = snd_pcm_substream_chip(substream);
	stream_t *stream = (stream_t *) substream->runtime->private_data;
	int dma = stream->dma;

	spin_lock(&chip->lock);
	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		// do something to start the PCM engine
;
		stream->fifo_enabled = 1;
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
			vortex_adbdma_resetup(chip, dma);
			vortex_adbdma_startfifo(chip, dma);
		}
#ifndef CHIP_AU8810
		else {
;
			vortex_wtdma_startfifo(chip, dma);
		}
#endif
		break;
	case SNDRV_PCM_TRIGGER_STOP:
		// do something to stop the PCM engine
;
		stream->fifo_enabled = 0;
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_pausefifo(chip, dma);
		//vortex_adbdma_stopfifo(chip, dma);
#ifndef CHIP_AU8810
		else {
;
			vortex_wtdma_stopfifo(chip, dma);
		}
#endif
		break;
	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
;
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_pausefifo(chip, dma);
#ifndef CHIP_AU8810
		else
			vortex_wtdma_pausefifo(chip, dma);
#endif
		break;
	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
;
		if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
			vortex_adbdma_resumefifo(chip, dma);
#ifndef CHIP_AU8810
		else
			vortex_wtdma_resumefifo(chip, dma);
#endif
		break;
	default:
		spin_unlock(&chip->lock);
		return -EINVAL;
	}
	spin_unlock(&chip->lock);
	return 0;
}