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-rw-r--r--sound/soc/intel/boards/bdw_rt286.c280
1 files changed, 280 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 000000000..6b76df0e7
--- /dev/null
+++ b/sound/soc/intel/boards/bdw_rt286.c
@@ -0,0 +1,280 @@
+// 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 = asoc_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 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 = asoc_substream_to_rtd(substream);
+ struct snd_soc_dai *codec_dai = asoc_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,
+ .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 void bdw_rt286_disable_jack(struct snd_soc_card *card)
+{
+ struct snd_soc_component *component;
+
+ for_each_card_components(card, component) {
+ if (!strcmp(component->name, "i2c-INT343A:00")) {
+ dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
+ snd_soc_component_set_jack(component, NULL, NULL);
+ break;
+ }
+ }
+}
+
+static int bdw_rt286_suspend(struct snd_soc_card *card)
+{
+ bdw_rt286_disable_jack(card);
+
+ return 0;
+}
+
+static int bdw_rt286_resume(struct snd_soc_card *card)
+{
+ struct snd_soc_component *component;
+
+ for_each_card_components(card, component) {
+ if (!strcmp(component->name, "i2c-INT343A:00")) {
+ dev_dbg(component->dev, "enabling jack detect for resume.\n");
+ snd_soc_component_set_jack(component, &card_headset, NULL);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static struct snd_soc_card bdw_rt286_card = {
+ .owner = THIS_MODULE,
+ .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,
+ .suspend_pre = bdw_rt286_suspend,
+ .resume_post = bdw_rt286_resume,
+};
+
+/* 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 int bdw_rt286_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ bdw_rt286_disable_jack(card);
+
+ return 0;
+}
+
+static struct platform_driver bdw_rt286_driver = {
+ .probe = bdw_rt286_probe,
+ .remove = bdw_rt286_remove,
+ .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");