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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /sound/soc/intel/boards/cht_bsw_rt5645.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/boards/cht_bsw_rt5645.c')
-rw-r--r--sound/soc/intel/boards/cht_bsw_rt5645.c708
1 files changed, 708 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c
new file mode 100644
index 000000000..b53c02481
--- /dev/null
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -0,0 +1,708 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
+ * Cherrytrail and Braswell, with RT5645 codec.
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Fang, Yang A <yang.a.fang@intel.com>
+ * N,Harshapriya <harshapriya.n@intel.com>
+ * This file is modified from cht_bsw_rt5672.c
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/acpi.h>
+#include <linux/clk.h>
+#include <linux/dmi.h>
+#include <linux/slab.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/soc-acpi.h>
+#include "../../codecs/rt5645.h"
+#include "../atom/sst-atom-controls.h"
+#include "../common/soc-intel-quirks.h"
+
+#define CHT_PLAT_CLK_3_HZ 19200000
+#define CHT_CODEC_DAI1 "rt5645-aif1"
+#define CHT_CODEC_DAI2 "rt5645-aif2"
+
+struct cht_acpi_card {
+ char *codec_id;
+ int codec_type;
+ struct snd_soc_card *soc_card;
+};
+
+struct cht_mc_private {
+ struct snd_soc_jack jack;
+ struct cht_acpi_card *acpi_card;
+ char codec_name[SND_ACPI_I2C_ID_LEN];
+ struct clk *mclk;
+};
+
+#define CHT_RT5645_MAP(quirk) ((quirk) & GENMASK(7, 0))
+#define CHT_RT5645_SSP2_AIF2 BIT(16) /* default is using AIF1 */
+#define CHT_RT5645_SSP0_AIF1 BIT(17)
+#define CHT_RT5645_SSP0_AIF2 BIT(18)
+#define CHT_RT5645_PMC_PLT_CLK_0 BIT(19)
+
+static unsigned long cht_rt5645_quirk = 0;
+
+static void log_quirks(struct device *dev)
+{
+ if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2)
+ dev_info(dev, "quirk SSP2_AIF2 enabled");
+ if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1)
+ dev_info(dev, "quirk SSP0_AIF1 enabled");
+ if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)
+ dev_info(dev, "quirk SSP0_AIF2 enabled");
+ if (cht_rt5645_quirk & CHT_RT5645_PMC_PLT_CLK_0)
+ dev_info(dev, "quirk PMC_PLT_CLK_0 enabled");
+}
+
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct snd_soc_dai *codec_dai;
+ struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
+ int ret;
+
+ codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI1);
+ if (!codec_dai)
+ codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI2);
+
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
+ return -EIO;
+ }
+
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = clk_prepare_enable(ctx->mclk);
+ if (ret < 0) {
+ dev_err(card->dev,
+ "could not configure MCLK state");
+ return ret;
+ }
+ } else {
+ /* Set codec sysclk source to its internal clock because codec PLL will
+ * be off when idle and MCLK will also be off when codec is
+ * runtime suspended. Codec needs clock for jack detection and button
+ * press. MCLK is turned off with clock framework or ACPI.
+ */
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
+ 48000 * 512, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
+ return ret;
+ }
+
+ clk_disable_unprepare(ctx->mclk);
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_MIC("Int Analog Mic", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+ SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+ platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = {
+ {"IN1P", NULL, "Headset Mic"},
+ {"IN1N", NULL, "Headset Mic"},
+ {"DMIC L1", NULL, "Int Mic"},
+ {"DMIC R1", NULL, "Int Mic"},
+ {"IN2P", NULL, "Int Analog Mic"},
+ {"IN2N", NULL, "Int Analog Mic"},
+ {"Headphone", NULL, "HPOL"},
+ {"Headphone", NULL, "HPOR"},
+ {"Ext Spk", NULL, "SPOL"},
+ {"Ext Spk", NULL, "SPOR"},
+ {"Headphone", NULL, "Platform Clock"},
+ {"Headset Mic", NULL, "Platform Clock"},
+ {"Int Mic", NULL, "Platform Clock"},
+ {"Int Analog Mic", NULL, "Platform Clock"},
+ {"Int Analog Mic", NULL, "micbias1"},
+ {"Int Analog Mic", NULL, "micbias2"},
+ {"Ext Spk", NULL, "Platform Clock"},
+};
+
+static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = {
+ {"IN1P", NULL, "Headset Mic"},
+ {"IN1N", NULL, "Headset Mic"},
+ {"DMIC L2", NULL, "Int Mic"},
+ {"DMIC R2", NULL, "Int Mic"},
+ {"Headphone", NULL, "HPOL"},
+ {"Headphone", NULL, "HPOR"},
+ {"Ext Spk", NULL, "SPOL"},
+ {"Ext Spk", NULL, "SPOR"},
+ {"Headphone", NULL, "Platform Clock"},
+ {"Headset Mic", NULL, "Platform Clock"},
+ {"Int Mic", NULL, "Platform Clock"},
+ {"Ext Spk", NULL, "Platform Clock"},
+};
+
+static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif1_map[] = {
+ {"AIF1 Playback", NULL, "ssp2 Tx"},
+ {"ssp2 Tx", NULL, "codec_out0"},
+ {"ssp2 Tx", NULL, "codec_out1"},
+ {"codec_in0", NULL, "ssp2 Rx" },
+ {"codec_in1", NULL, "ssp2 Rx" },
+ {"ssp2 Rx", NULL, "AIF1 Capture"},
+};
+
+static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif2_map[] = {
+ {"AIF2 Playback", NULL, "ssp2 Tx"},
+ {"ssp2 Tx", NULL, "codec_out0"},
+ {"ssp2 Tx", NULL, "codec_out1"},
+ {"codec_in0", NULL, "ssp2 Rx" },
+ {"codec_in1", NULL, "ssp2 Rx" },
+ {"ssp2 Rx", NULL, "AIF2 Capture"},
+};
+
+static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif1_map[] = {
+ {"AIF1 Playback", NULL, "ssp0 Tx"},
+ {"ssp0 Tx", NULL, "modem_out"},
+ {"modem_in", NULL, "ssp0 Rx" },
+ {"ssp0 Rx", NULL, "AIF1 Capture"},
+};
+
+static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif2_map[] = {
+ {"AIF2 Playback", NULL, "ssp0 Tx"},
+ {"ssp0 Tx", NULL, "modem_out"},
+ {"modem_in", NULL, "ssp0 Rx" },
+ {"ssp0 Rx", NULL, "AIF2 Capture"},
+};
+
+static const struct snd_kcontrol_new cht_mc_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+ SOC_DAPM_PIN_SWITCH("Int Analog Mic"),
+ SOC_DAPM_PIN_SWITCH("Ext Spk"),
+};
+
+static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static int cht_aif1_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;
+
+ /* set codec PLL source to the 19.2MHz platform clock (MCLK) */
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
+ CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
+ params_rate(params) * 512, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int cht_rt5645_quirk_cb(const struct dmi_system_id *id)
+{
+ cht_rt5645_quirk = (unsigned long)id->driver_data;
+ return 1;
+}
+
+static const struct dmi_system_id cht_rt5645_quirk_table[] = {
+ {
+ /* Strago family Chromebooks */
+ .callback = cht_rt5645_quirk_cb,
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"),
+ },
+ .driver_data = (void *)CHT_RT5645_PMC_PLT_CLK_0,
+ },
+ {
+ },
+};
+
+static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_card *card = runtime->card;
+ struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
+ struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
+ int jack_type;
+ int ret;
+
+ if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
+ (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
+ /* Select clk_i2s2_asrc as ASRC clock source */
+ rt5645_sel_asrc_clk_src(component,
+ RT5645_DA_STEREO_FILTER |
+ RT5645_DA_MONO_L_FILTER |
+ RT5645_DA_MONO_R_FILTER |
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S2_ASRC);
+ } else {
+ /* Select clk_i2s1_asrc as ASRC clock source */
+ rt5645_sel_asrc_clk_src(component,
+ RT5645_DA_STEREO_FILTER |
+ RT5645_DA_MONO_L_FILTER |
+ RT5645_DA_MONO_R_FILTER |
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S1_ASRC);
+ }
+
+ if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) {
+ ret = snd_soc_dapm_add_routes(&card->dapm,
+ cht_rt5645_ssp2_aif2_map,
+ ARRAY_SIZE(cht_rt5645_ssp2_aif2_map));
+ } else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) {
+ ret = snd_soc_dapm_add_routes(&card->dapm,
+ cht_rt5645_ssp0_aif1_map,
+ ARRAY_SIZE(cht_rt5645_ssp0_aif1_map));
+ } else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) {
+ ret = snd_soc_dapm_add_routes(&card->dapm,
+ cht_rt5645_ssp0_aif2_map,
+ ARRAY_SIZE(cht_rt5645_ssp0_aif2_map));
+ } else {
+ ret = snd_soc_dapm_add_routes(&card->dapm,
+ cht_rt5645_ssp2_aif1_map,
+ ARRAY_SIZE(cht_rt5645_ssp2_aif1_map));
+ }
+ if (ret)
+ return ret;
+
+ if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
+ jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3;
+ else
+ jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
+
+ ret = snd_soc_card_jack_new(runtime->card, "Headset",
+ jack_type, &ctx->jack,
+ cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
+ if (ret) {
+ dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
+ return ret;
+ }
+
+ rt5645_set_jack_detect(component, &ctx->jack, &ctx->jack, &ctx->jack);
+
+
+ /*
+ * The firmware might enable the clock at
+ * boot (this information may or may not
+ * be reflected in the enable clock register).
+ * To change the rate we must disable the clock
+ * first to cover these cases. Due to common
+ * clock framework restrictions that do not allow
+ * to disable a clock that has not been enabled,
+ * we need to enable the clock first.
+ */
+ ret = clk_prepare_enable(ctx->mclk);
+ if (!ret)
+ clk_disable_unprepare(ctx->mclk);
+
+ ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
+
+ if (ret)
+ dev_err(runtime->dev, "unable to set MCLK rate\n");
+
+ return ret;
+}
+
+static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ int ret;
+ struct snd_interval *rate = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_RATE);
+ struct snd_interval *channels = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_CHANNELS);
+
+ /* The DSP will covert the FE rate to 48k, stereo, 24bits */
+ rate->min = rate->max = 48000;
+ channels->min = channels->max = 2;
+
+ if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
+ (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
+
+ /* set SSP0 to 16-bit */
+ params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
+
+ /*
+ * Default mode for SSP configuration is TDM 4 slot, override config
+ * with explicit setting to I2S 2ch 16-bit. The word length is set with
+ * dai_set_tdm_slot() since there is no other API exposed
+ */
+ ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
+ SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS
+ );
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0),
+ SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS
+ );
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 16);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
+ return ret;
+ }
+
+ } else {
+
+ /* set SSP2 to 24-bit */
+ params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
+
+ /*
+ * Default mode for SSP configuration is TDM 4 slot
+ */
+ ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0),
+ SND_SOC_DAIFMT_DSP_B |
+ SND_SOC_DAIFMT_IB_NF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set format to TDM %d\n", ret);
+ return ret;
+ }
+
+ /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
+ ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 0), 0xF, 0xF, 4, 24);
+ if (ret < 0) {
+ dev_err(rtd->dev, "can't set codec TDM slot %d\n", ret);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static int cht_aif1_startup(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_hw_constraint_single(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE, 48000);
+}
+
+static const struct snd_soc_ops cht_aif1_ops = {
+ .startup = cht_aif1_startup,
+};
+
+static const struct snd_soc_ops cht_be_ssp2_ops = {
+ .hw_params = cht_aif1_hw_params,
+};
+
+SND_SOC_DAILINK_DEF(dummy,
+ DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
+SND_SOC_DAILINK_DEF(media,
+ DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
+
+SND_SOC_DAILINK_DEF(deepbuffer,
+ DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
+
+SND_SOC_DAILINK_DEF(ssp2_port,
+ DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
+SND_SOC_DAILINK_DEF(ssp2_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5645:00", "rt5645-aif1")));
+
+SND_SOC_DAILINK_DEF(platform,
+ DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
+
+static struct snd_soc_dai_link cht_dailink[] = {
+ [MERR_DPCM_AUDIO] = {
+ .name = "Audio Port",
+ .stream_name = "Audio",
+ .nonatomic = true,
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .ops = &cht_aif1_ops,
+ SND_SOC_DAILINK_REG(media, dummy, platform),
+ },
+ [MERR_DPCM_DEEP_BUFFER] = {
+ .name = "Deep-Buffer Audio Port",
+ .stream_name = "Deep-Buffer Audio",
+ .nonatomic = true,
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ .ops = &cht_aif1_ops,
+ SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
+ },
+ /* CODEC<->CODEC link */
+ /* back ends */
+ {
+ .name = "SSP2-Codec",
+ .id = 0,
+ .no_pcm = 1,
+ .init = cht_codec_init,
+ .be_hw_params_fixup = cht_codec_fixup,
+ .nonatomic = true,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .ops = &cht_be_ssp2_ops,
+ SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
+ },
+};
+
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+/* use space before codec name to simplify card ID, and simplify driver name */
+#define CARD_RT5645_NAME "bytcht rt5645" /* card name 'sof-bytcht rt5645' */
+#define CARD_RT5650_NAME "bytcht rt5650" /* card name 'sof-bytcht rt5650' */
+#define DRIVER_NAME "SOF"
+#else
+#define CARD_RT5645_NAME "chtrt5645"
+#define CARD_RT5650_NAME "chtrt5650"
+#define DRIVER_NAME NULL /* card name will be used for driver name */
+#endif
+
+/* SoC card */
+static struct snd_soc_card snd_soc_card_chtrt5645 = {
+ .name = CARD_RT5645_NAME,
+ .driver_name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ .dai_link = cht_dailink,
+ .num_links = ARRAY_SIZE(cht_dailink),
+ .dapm_widgets = cht_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
+ .dapm_routes = cht_rt5645_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
+ .controls = cht_mc_controls,
+ .num_controls = ARRAY_SIZE(cht_mc_controls),
+};
+
+static struct snd_soc_card snd_soc_card_chtrt5650 = {
+ .name = CARD_RT5650_NAME,
+ .driver_name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ .dai_link = cht_dailink,
+ .num_links = ARRAY_SIZE(cht_dailink),
+ .dapm_widgets = cht_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
+ .dapm_routes = cht_rt5650_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
+ .controls = cht_mc_controls,
+ .num_controls = ARRAY_SIZE(cht_mc_controls),
+};
+
+static struct cht_acpi_card snd_soc_cards[] = {
+ {"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
+ {"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
+ {"10EC5648", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
+ {"10EC3270", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
+ {"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
+};
+
+static char cht_rt5645_codec_name[SND_ACPI_I2C_ID_LEN];
+
+struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */
+ u64 aif_value; /* 1: AIF1, 2: AIF2 */
+ u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */
+};
+
+static int snd_cht_mc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = snd_soc_cards[0].soc_card;
+ struct snd_soc_acpi_mach *mach;
+ const char *platform_name;
+ struct cht_mc_private *drv;
+ struct acpi_device *adev;
+ bool found = false;
+ bool is_bytcr = false;
+ int dai_index = 0;
+ int ret_val = 0;
+ int i;
+ const char *mclk_name;
+
+ drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
+ if (!drv)
+ return -ENOMEM;
+
+ mach = pdev->dev.platform_data;
+
+ for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
+ if (acpi_dev_found(snd_soc_cards[i].codec_id) &&
+ (!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) {
+ dev_dbg(&pdev->dev,
+ "found codec %s\n", snd_soc_cards[i].codec_id);
+ card = snd_soc_cards[i].soc_card;
+ drv->acpi_card = &snd_soc_cards[i];
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ dev_err(&pdev->dev, "No matching HID found in supported list\n");
+ return -ENODEV;
+ }
+
+ card->dev = &pdev->dev;
+ sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id);
+
+ /* set correct codec name */
+ for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
+ if (!strcmp(card->dai_link[i].codecs->name,
+ "i2c-10EC5645:00")) {
+ card->dai_link[i].codecs->name = drv->codec_name;
+ dai_index = i;
+ }
+
+ /* fixup codec name based on HID */
+ adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
+ if (adev) {
+ snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
+ "i2c-%s", acpi_dev_name(adev));
+ put_device(&adev->dev);
+ cht_dailink[dai_index].codecs->name = cht_rt5645_codec_name;
+ }
+
+ /*
+ * swap SSP0 if bytcr is detected
+ * (will be overridden if DMI quirk is detected)
+ */
+ if (soc_intel_is_byt()) {
+ if (mach->mach_params.acpi_ipc_irq_index == 0)
+ is_bytcr = true;
+ }
+
+ if (is_bytcr) {
+ /*
+ * Baytrail CR platforms may have CHAN package in BIOS, try
+ * to find relevant routing quirk based as done on Windows
+ * platforms. We have to read the information directly from the
+ * BIOS, at this stage the card is not created and the links
+ * with the codec driver/pdata are non-existent
+ */
+
+ struct acpi_chan_package chan_package;
+
+ /* format specified: 2 64-bit integers */
+ struct acpi_buffer format = {sizeof("NN"), "NN"};
+ struct acpi_buffer state = {0, NULL};
+ struct snd_soc_acpi_package_context pkg_ctx;
+ bool pkg_found = false;
+
+ state.length = sizeof(chan_package);
+ state.pointer = &chan_package;
+
+ pkg_ctx.name = "CHAN";
+ pkg_ctx.length = 2;
+ pkg_ctx.format = &format;
+ pkg_ctx.state = &state;
+ pkg_ctx.data_valid = false;
+
+ pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
+ &pkg_ctx);
+ if (pkg_found) {
+ if (chan_package.aif_value == 1) {
+ dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
+ cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF1;
+ } else if (chan_package.aif_value == 2) {
+ dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
+ cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2;
+ } else {
+ dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
+ pkg_found = false;
+ }
+ }
+
+ if (!pkg_found) {
+ /* no BIOS indications, assume SSP0-AIF2 connection */
+ cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2;
+ }
+ }
+
+ /* check quirks before creating card */
+ dmi_check_system(cht_rt5645_quirk_table);
+ log_quirks(&pdev->dev);
+
+ if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
+ (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2))
+ cht_dailink[dai_index].codecs->dai_name = "rt5645-aif2";
+
+ if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
+ (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2))
+ cht_dailink[dai_index].cpus->dai_name = "ssp0-port";
+
+ /* override plaform name, if required */
+ platform_name = mach->mach_params.platform;
+
+ ret_val = snd_soc_fixup_dai_links_platform_name(card,
+ platform_name);
+ if (ret_val)
+ return ret_val;
+
+ if (cht_rt5645_quirk & CHT_RT5645_PMC_PLT_CLK_0)
+ mclk_name = "pmc_plt_clk_0";
+ else
+ mclk_name = "pmc_plt_clk_3";
+
+ drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
+ if (IS_ERR(drv->mclk)) {
+ dev_err(&pdev->dev, "Failed to get MCLK from %s: %ld\n",
+ mclk_name, PTR_ERR(drv->mclk));
+ return PTR_ERR(drv->mclk);
+ }
+
+ snd_soc_card_set_drvdata(card, drv);
+ ret_val = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret_val) {
+ dev_err(&pdev->dev,
+ "snd_soc_register_card failed %d\n", ret_val);
+ return ret_val;
+ }
+ platform_set_drvdata(pdev, card);
+ return ret_val;
+}
+
+static struct platform_driver snd_cht_mc_driver = {
+ .driver = {
+ .name = "cht-bsw-rt5645",
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
+ .pm = &snd_soc_pm_ops,
+#endif
+ },
+ .probe = snd_cht_mc_probe,
+};
+
+module_platform_driver(snd_cht_mc_driver)
+
+MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
+MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:cht-bsw-rt5645");