/*
 * imx-pcm-dma-mx2.c  --  ALSA Soc Audio Layer
 *
 * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
 *
 * This code is based on code copyrighted by Freescale,
 * Liam Girdwood, Javier Martin and probably others.
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 */
#include <linux/platform_device.h>
#include <linux/dmaengine.h>
#include <linux/types.h>
#include <linux/module.h>

#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>

#include "imx-pcm.h"

static bool filter(struct dma_chan *chan, void *param)
{
	if (!imx_dma_is_general_purpose(chan))
		return false;

	chan->private = param;

	return true;
}

static const struct snd_pcm_hardware imx_pcm_hardware = {
	.info = SNDRV_PCM_INFO_INTERLEAVED |
		SNDRV_PCM_INFO_BLOCK_TRANSFER |
		SNDRV_PCM_INFO_MMAP |
		SNDRV_PCM_INFO_MMAP_VALID |
		SNDRV_PCM_INFO_PAUSE |
		SNDRV_PCM_INFO_RESUME,
	.buffer_bytes_max = IMX_DEFAULT_DMABUF_SIZE,
	.period_bytes_min = 128,
	.period_bytes_max = 65535, /* Limited by SDMA engine */
	.periods_min = 2,
	.periods_max = 255,
	.fifo_size = 0,
};

static const struct snd_dmaengine_pcm_config imx_dmaengine_pcm_config = {
	.pcm_hardware = &imx_pcm_hardware,
	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
	.compat_filter_fn = filter,
	.prealloc_buffer_size = IMX_DEFAULT_DMABUF_SIZE,
};

int imx_pcm_dma_init(struct platform_device *pdev, size_t size)
{
	struct snd_dmaengine_pcm_config *config;
	struct snd_pcm_hardware *pcm_hardware;

	config = devm_kzalloc(&pdev->dev,
			sizeof(struct snd_dmaengine_pcm_config), GFP_KERNEL);
	if (!config)
		return -ENOMEM;
	*config = imx_dmaengine_pcm_config;
	if (size)
		config->prealloc_buffer_size = size;

	pcm_hardware = devm_kzalloc(&pdev->dev,
			sizeof(struct snd_pcm_hardware), GFP_KERNEL);
	*pcm_hardware = imx_pcm_hardware;
	if (size)
		pcm_hardware->buffer_bytes_max = size;

	config->pcm_hardware = pcm_hardware;

	return devm_snd_dmaengine_pcm_register(&pdev->dev,
		config,
		SND_DMAENGINE_PCM_FLAG_COMPAT);
}
EXPORT_SYMBOL_GPL(imx_pcm_dma_init);

MODULE_LICENSE("GPL");
ass='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/spi/Makefile'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/spi?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>spi</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/spi/Makefile?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='24d615a694d649aa2e167c3f97f62bdad07e3f84'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Aleksander Morgado &lt;aleksander@aleksander.es&gt;</td><td class='right'>2017-01-18 21:31:31 +0100</td></tr>
<tr><th>committer</th><td>Johan Hovold &lt;johan@kernel.org&gt;</td><td class='right'>2017-01-19 09:08:37 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/spi/Makefile?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>24d615a694d649aa2e167c3f97f62bdad07e3f84</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/spi/Makefile?id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>2fe33c115bdec6bf4b01e27afd90bb16fa668e22</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/spi/Makefile?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>tools/spi/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/spi/Makefile?h=nds-private-remove&amp;id=49def1853334396f948dcb4cedb9347abb318df5'>49def1853334396f948dcb4cedb9347abb318df5</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/spi/Makefile?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84&amp;id2=49def1853334396f948dcb4cedb9347abb318df5'>diff</a>)</td></tr></table>
<div class='commit-subject'>USB: serial: qcserial: add Dell DW5570 QDL</div><div class='commit-msg'>The Dell DW5570 is a re-branded Sierra Wireless MC8805 which will by
default boot with vid 0x413c and pid 0x81a3. When triggered QDL download
mode, the device switches to pid 0x81a6 and provides the standard TTY
used for firmware upgrade.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Aleksander Morgado &lt;aleksander@aleksander.es&gt;
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>Diffstat</a> (limited to 'tools/spi/Makefile')</div><table summary='diffstat' class='diffstat'>