/*
 * am3517evm.c  -- ALSA SoC support for OMAP3517 / AM3517 EVM
 *
 * Author: Anuj Aggarwal <anuj.aggarwal@ti.com>
 *
 * Based on sound/soc/omap/beagle.c by Steve Sakoman
 *
 * Copyright (C) 2009 Texas Instruments Incorporated
 *
 * 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 version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
 * whether express or implied; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 */

#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>

#include <asm/mach-types.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>

#include "omap-mcbsp.h"

#include "../codecs/tlv320aic23.h"

#define CODEC_CLOCK 	12000000

static int am3517evm_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;

	/* Set the codec system clock for DAC and ADC */
	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
			CODEC_CLOCK, SND_SOC_CLOCK_IN);
	if (ret < 0)
		printk(KERN_ERR "can't set codec system clock\n");

	return ret;
}

static struct snd_soc_ops am3517evm_ops = {
	.hw_params = am3517evm_hw_params,
};

/* am3517evm machine dapm widgets */
static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Line Out", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
	SND_SOC_DAPM_MIC("Mic In", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* Line Out connected to LLOUT, RLOUT */
	{"Line Out", NULL, "LOUT"},
	{"Line Out", NULL, "ROUT"},

	{"LLINEIN", NULL, "Line In"},
	{"RLINEIN", NULL, "Line In"},

	{"MICIN", NULL, "Mic In"},
};

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link am3517evm_dai = {
	.name = "TLV320AIC23",
	.stream_name = "AIC23",
	.cpu_dai_name = "omap-mcbsp.1",
	.codec_dai_name = "tlv320aic23-hifi",
	.platform_name = "omap-mcbsp.1",
	.codec_name = "tlv320aic23-codec.2-001a",
	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
		   SND_SOC_DAIFMT_CBM_CFM,
	.ops = &am3517evm_ops,
};

/* Audio machine driver */
static struct snd_soc_card snd_soc_am3517evm = {
	.name = "am3517evm",
	.owner = THIS_MODULE,
	.dai_link = &am3517evm_dai,
	.num_links = 1,

	.dapm_widgets = tlv320aic23_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
};

static struct platform_device *am3517evm_snd_device;

static int __init am3517evm_soc_init(void)
{
	int ret;

	if (!machine_is_omap3517evm())
		return -ENODEV;
	pr_info("OMAP3517 / AM3517 EVM SoC init\n");

	am3517evm_snd_device = platform_device_alloc("soc-audio", -1);
	if (!am3517evm_snd_device) {
		printk(KERN_ERR "Platform device allocation failed\n");
		return -ENOMEM;
	}

	platform_set_drvdata(am3517evm_snd_device, &snd_soc_am3517evm);

	ret = platform_device_add(am3517evm_snd_device);
	if (ret)
		goto err1;

	return 0;

err1:
	printk(KERN_ERR "Unable to add platform device\n");
	platform_device_put(am3517evm_snd_device);

	return ret;
}

static void __exit am3517evm_soc_exit(void)
{
	platform_device_unregister(am3517evm_snd_device);
}

module_init(am3517evm_soc_init);
module_exit(am3517evm_soc_exit);

MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>");
MODULE_DESCRIPTION("ALSA SoC OMAP3517 / AM3517 EVM");
MODULE_LICENSE("GPL v2");
</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>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-08 16:06:10 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-08 16:06:10 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=507053d23b886fdedc8336ca2233883fe4c82aa2'>507053d23b886fdedc8336ca2233883fe4c82aa2</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=507053d23b886fdedc8336ca2233883fe4c82aa2'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=507053d23b886fdedc8336ca2233883fe4c82aa2'>a64839493e04ac8608c52156d97d40ecd1c78be8</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>be11f436a80b19cb5ef4cdfba7371a5178bd43cd</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=507053d23b886fdedc8336ca2233883fe4c82aa2&amp;id2=be11f436a80b19cb5ef4cdfba7371a5178bd43cd'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=a810007afe239d59c1115fcaa06eb5b480f876e9'>a810007afe239d59c1115fcaa06eb5b480f876e9</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=507053d23b886fdedc8336ca2233883fe4c82aa2&amp;id2=a810007afe239d59c1115fcaa06eb5b480f876e9'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'akpm' (patches from Andrew)</div><div class='commit-msg'>Merge fixes from Andrew Morton:
 "4 fixes"

* emailed patches from Andrew Morton &lt;akpm@linux-foundation.org&gt;:
  mm/slub.c: fix random_seq offset destruction
  cpumask: use nr_cpumask_bits for parsing functions
  mm: avoid returning VM_FAULT_RETRY from -&gt;page_mkwrite handlers
  kernel/ucount.c: mark user_header with kmemleak_ignore()
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=507053d23b886fdedc8336ca2233883fe4c82aa2'>Diffstat</a></div><table summary='diffstat' class='diffstat'>