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-rw-r--r--sound/soc/intel/boards/hsw_rt5640.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/hsw_rt5640.c b/sound/soc/intel/boards/hsw_rt5640.c
new file mode 100644
index 000000000..050c53ebd
--- /dev/null
+++ b/sound/soc/intel/boards/hsw_rt5640.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Sound card driver for Intel Haswell Lynx Point with Realtek 5640
+ *
+ * Copyright (C) 2013, Intel Corporation. All rights reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../codecs/rt5640.h"
+
+static const struct snd_soc_dapm_widget card_widgets[] = {
+ SND_SOC_DAPM_HP("Headphones", NULL),
+ SND_SOC_DAPM_MIC("Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route card_routes[] = {
+ {"Headphones", NULL, "HPOR"},
+ {"Headphones", NULL, "HPOL"},
+ {"IN2P", NULL, "Mic"},
+
+ /* CODEC BE connections */
+ {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
+ {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
+};
+
+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 48k, 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, RT5640_SCLK_S_MCLK, 12288000, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Set correct codec filter for DAI format and clock config. */
+ snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000);
+
+ 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(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
+SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
+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",
+ .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",
+ .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,
+ .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 struct snd_soc_card hsw_rt5640_card = {
+ .name = "haswell-rt5640",
+ .owner = THIS_MODULE,
+ .dai_link = card_dai_links,
+ .num_links = ARRAY_SIZE(card_dai_links),
+ .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,
+};
+
+static int hsw_rt5640_probe(struct platform_device *pdev)
+{
+ struct snd_soc_acpi_mach *mach;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ hsw_rt5640_card.dev = dev;
+ mach = dev_get_platdata(dev);
+
+ ret = snd_soc_fixup_dai_links_platform_name(&hsw_rt5640_card, mach->mach_params.platform);
+ if (ret)
+ return ret;
+
+ return devm_snd_soc_register_card(dev, &hsw_rt5640_card);
+}
+
+static struct platform_driver hsw_rt5640_driver = {
+ .probe = hsw_rt5640_probe,
+ .driver = {
+ .name = "hsw_rt5640",
+ .pm = &snd_soc_pm_ops,
+ },
+};
+
+module_platform_driver(hsw_rt5640_driver)
+
+MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
+MODULE_DESCRIPTION("Sound card driver for Intel Haswell Lynx Point with Realtek 5640");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:hsw_rt5640");