1 files changed, 263 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bdw_rt286.c b/sound/soc/intel/boards/bdw_rt286.c
new file mode 100644
index 000000000000..7f20159c23e5
--- /dev/null
+++ b/sound/soc/intel/boards/bdw_rt286.c
@@ -0,0 +1,263 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Sound card driver for Intel Broadwell Wildcat Point with Realtek 286
+ *
+ * Copyright (C) 2013, Intel Corporation. All rights reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../codecs/rt286.h"
+
+static struct snd_soc_jack card_headset;
+
+static struct snd_soc_jack_pin card_headset_pins[] = {
+	{
+		.pin = "Mic Jack",
+		.mask = SND_JACK_MICROPHONE,
+	},
+	{
+		.pin = "Headphone Jack",
+		.mask = SND_JACK_HEADPHONE,
+	},
+};
+
+static const struct snd_kcontrol_new card_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Speaker"),
+	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+};
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_SPK("Speaker", NULL),
+	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_MIC("DMIC1", NULL),
+	SND_SOC_DAPM_MIC("DMIC2", NULL),
+	SND_SOC_DAPM_LINE("Line Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route card_routes[] = {
+	{"Speaker", NULL, "SPOR"},
+	{"Speaker", NULL, "SPOL"},
+
+	{"Headphone Jack", NULL, "HPO Pin"},
+
+	{"MIC1", NULL, "Mic Jack"},
+	{"LINE1", NULL, "Line Jack"},
+
+	{"DMIC1 Pin", NULL, "DMIC1"},
+	{"DMIC2 Pin", NULL, "DMIC2"},
+
+	/* CODEC BE connections */
+	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
+	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
+};
+
+static int codec_link_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;
+	int ret;
+
+	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
+					 &card_headset, card_headset_pins,
+					 ARRAY_SIZE(card_headset_pins));
+	if (ret)
+		return ret;
+
+	return snd_soc_component_set_jack(codec, &card_headset, NULL);
+}
+
+static void codec_link_exit(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;
+
+	snd_soc_component_set_jack(codec, NULL, NULL);
+}
+
+static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+				      struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+	struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
+
+	/* The ADSP will convert the FE rate to 48kHz, stereo. */
+	rate->min = rate->max = 48000;
+	channels->min = channels->max = 2;
+	/* Set SSP0 to 16 bit. */
+	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
+
+	return 0;
+}
+
+static int codec_link_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+	int ret;
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
+	if (ret < 0) {
+		dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
+		return ret;
+	}
+
+	return ret;
+}
+
+static const struct snd_soc_ops codec_link_ops = {
+	.hw_params = codec_link_hw_params,
+};
+
+SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
+SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
+SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
+SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
+
+SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
+SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
+SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
+SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
+
+static struct snd_soc_dai_link card_dai_links[] = {
+	/* Front End DAI links */
+	{
+		.name = "System PCM",
+		.stream_name = "System Playback/Capture",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		SND_SOC_DAILINK_REG(system, dummy, platform),
+	},
+	{
+		.name = "Offload0",
+		.stream_name = "Offload0 Playback",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dpcm_playback = 1,
+		SND_SOC_DAILINK_REG(offload0, dummy, platform),
+	},
+	{
+		.name = "Offload1",
+		.stream_name = "Offload1 Playback",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dpcm_playback = 1,
+		SND_SOC_DAILINK_REG(offload1, dummy, platform),
+	},
+	{
+		.name = "Loopback PCM",
+		.stream_name = "Loopback",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+		.dpcm_capture = 1,
+		SND_SOC_DAILINK_REG(loopback, dummy, platform),
+	},
+	/* Back End DAI links */
+	{
+		/* SSP0 - Codec */
+		.name = "Codec",
+		.id = 0,
+		.nonatomic = 1,
+		.no_pcm = 1,
+		.init = codec_link_init,
+		.exit = codec_link_exit,
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,
+		.ignore_pmdown_time = 1,
+		.be_hw_params_fixup = codec_link_hw_params_fixup,
+		.ops = &codec_link_ops,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
+	},
+};
+
+static int card_suspend_pre(struct snd_soc_card *card)
+{
+	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
+
+	if (!codec_dai)
+		return 0;
+
+	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
+}
+
+static int card_resume_post(struct snd_soc_card *card)
+{
+	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
+
+	if (!codec_dai)
+		return 0;
+
+	return snd_soc_component_set_jack(codec_dai->component, &card_headset, NULL);
+}
+
+static struct snd_soc_card bdw_rt286_card = {
+	.owner = THIS_MODULE,
+	.suspend_pre = card_suspend_pre,
+	.resume_post = card_resume_post,
+	.dai_link = card_dai_links,
+	.num_links = ARRAY_SIZE(card_dai_links),
+	.controls = card_controls,
+	.num_controls = ARRAY_SIZE(card_controls),
+	.dapm_widgets = card_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(card_widgets),
+	.dapm_routes = card_routes,
+	.num_dapm_routes = ARRAY_SIZE(card_routes),
+	.fully_routed = true,
+};
+
+/* Use space before codec name to simplify card ID, and simplify driver name. */
+#define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
+#define SOF_DRIVER_NAME "SOF"
+
+#define CARD_NAME "broadwell-rt286"
+
+static int bdw_rt286_probe(struct platform_device *pdev)
+{
+	struct snd_soc_acpi_mach *mach;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	bdw_rt286_card.dev = dev;
+	mach = dev_get_platdata(dev);
+
+	ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform);
+	if (ret)
+		return ret;
+
+	if (snd_soc_acpi_sof_parent(dev)) {
+		bdw_rt286_card.name = SOF_CARD_NAME;
+		bdw_rt286_card.driver_name = SOF_DRIVER_NAME;
+	} else {
+		bdw_rt286_card.name = CARD_NAME;
+	}
+
+	return devm_snd_soc_register_card(dev, &bdw_rt286_card);
+}
+
+static struct platform_driver bdw_rt286_driver = {
+	.probe = bdw_rt286_probe,
+	.driver = {
+		.name = "bdw_rt286",
+		.pm = &snd_soc_pm_ops
+	},
+};
+
+module_platform_driver(bdw_rt286_driver)
+
+MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
+MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bdw_rt286");