/*
 * edma-pcm.c - eDMA PCM driver using dmaengine for AM3xxx, AM4xxx
 *
 * Copyright (C) 2014 Texas Instruments, Inc.
 *
 * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
 *
 * Based on: sound/soc/tegra/tegra_pcm.c
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
#include <linux/edma.h>

#include "edma-pcm.h"

static const struct snd_pcm_hardware edma_pcm_hardware = {
	.info			= SNDRV_PCM_INFO_MMAP |
				  SNDRV_PCM_INFO_MMAP_VALID |
				  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
				  SNDRV_PCM_INFO_NO_PERIOD_WAKEUP |
				  SNDRV_PCM_INFO_INTERLEAVED,
	.buffer_bytes_max	= 128 * 1024,
	.period_bytes_min	= 32,
	.period_bytes_max	= 64 * 1024,
	.periods_min		= 2,
	.periods_max		= 19, /* Limit by edma dmaengine driver */
};

static const struct snd_dmaengine_pcm_config edma_dmaengine_pcm_config = {
	.pcm_hardware = &edma_pcm_hardware,
	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
	.compat_filter_fn = edma_filter_fn,
	.prealloc_buffer_size = 128 * 1024,
};

int edma_pcm_platform_register(struct device *dev)
{
	return devm_snd_dmaengine_pcm_register(dev, &edma_dmaengine_pcm_config,
					SND_DMAENGINE_PCM_FLAG_COMPAT);
}
EXPORT_SYMBOL_GPL(edma_pcm_platform_register);

MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
MODULE_DESCRIPTION("eDMA PCM ASoC platform driver");
MODULE_LICENSE("GPL");
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<tr><th>author</th><td>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-02-03 22:19:15 +0100</td></tr>
<tr><th>committer</th><td>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-02-03 22:19:15 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/build/feature/test-libbfd.c?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>424414947da3dd5cb0d60e4f299f7c51e472ae77</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/build/feature/test-libbfd.c?id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>patch</a>)</td></tr>
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<div class='commit-subject'>Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus</div><div class='commit-msg'>Johan writes:

USB-serial fixes for v4.10-rc7

One more device ID for pl2303.

Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
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