This is used by Dell Edge IoT Gateways.

Signed-off-by: Shrirang Bagul shrirang.bagul@canonical.com --- sound/soc/intel/Kconfig | 13 + sound/soc/intel/atom/sst/sst_acpi.c | 2 + sound/soc/intel/boards/Makefile | 2 + sound/soc/intel/boards/bytcr_rt5660.c | 573 ++++++++++++++++++++++++++++++++++ 4 files changed, 590 insertions(+) create mode 100644 sound/soc/intel/boards/bytcr_rt5660.c

diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index fd5d1e0..04027e6 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -172,6 +172,19 @@ config SND_SOC_INTEL_BYTCR_RT5651_MACH Say Y if you have such a device. If unsure select "N".

+config SND_SOC_INTEL_BYTCR_RT5660_MACH + tristate "ASoC Audio driver for Intel Baytrail and Baytrail-CR with RT5660 codec" + depends on X86 && I2C && ACPI + select SND_SOC_RT5660 + select SND_SST_MFLD_PLATFORM + select SND_SST_IPC_ACPI + select SND_SOC_INTEL_SST_MATCH if ACPI + help + This adds support for ASoC machine driver for Intel(R) Baytrail and Baytrail-CR + platforms with RT5660 audio codec. + Say Y if you have such a device. + If unsure select "N". + config SND_SOC_INTEL_CHT_BSW_RT5672_MACH tristate "ASoC Audio driver for Intel Cherrytrail & Braswell with RT5672 codec" depends on X86_INTEL_LPSS && I2C && ACPI diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index f4d92bb..a7f8400 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -445,6 +445,8 @@ static struct sst_acpi_mach sst_acpi_bytcr[] = { &byt_rvp_platform_data }, {"10EC5651", "bytcr_rt5651", "intel/fw_sst_0f28.bin", "bytcr_rt5651", NULL, &byt_rvp_platform_data }, + {"10EC3277", "bytcr_rt5660", "intel/fw_sst_0f28.bin", "bytcr_rt5660", NULL, + &byt_rvp_platform_data }, {}, };

diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile index 5639f10..32255ee 100644 --- a/sound/soc/intel/boards/Makefile +++ b/sound/soc/intel/boards/Makefile @@ -7,6 +7,7 @@ snd-soc-sst-bxt-da7219_max98357a-objs := bxt_da7219_max98357a.o snd-soc-sst-bxt-rt298-objs := bxt_rt298.o snd-soc-sst-bytcr-rt5640-objs := bytcr_rt5640.o snd-soc-sst-bytcr-rt5651-objs := bytcr_rt5651.o +snd-soc-sst-bytcr-rt5660-objs := bytcr_rt5660.o snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o snd-soc-sst-cht-bsw-rt5645-objs := cht_bsw_rt5645.o snd-soc-sst-cht-bsw-max98090_ti-objs := cht_bsw_max98090_ti.o @@ -23,6 +24,7 @@ obj-$(CONFIG_SND_SOC_INTEL_BROADWELL_MACH) += snd-soc-sst-broadwell.o obj-$(CONFIG_SND_SOC_INTEL_BDW_RT5677_MACH) += snd-soc-sst-bdw-rt5677-mach.o obj-$(CONFIG_SND_SOC_INTEL_BYTCR_RT5640_MACH) += snd-soc-sst-bytcr-rt5640.o obj-$(CONFIG_SND_SOC_INTEL_BYTCR_RT5651_MACH) += snd-soc-sst-bytcr-rt5651.o +obj-$(CONFIG_SND_SOC_INTEL_BYTCR_RT5660_MACH) += snd-soc-sst-bytcr-rt5660.o obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5672_MACH) += snd-soc-sst-cht-bsw-rt5672.o obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5645_MACH) += snd-soc-sst-cht-bsw-rt5645.o obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH) += snd-soc-sst-cht-bsw-max98090_ti.o diff --git a/sound/soc/intel/boards/bytcr_rt5660.c b/sound/soc/intel/boards/bytcr_rt5660.c new file mode 100644 index 0000000..0cd989d --- /dev/null +++ b/sound/soc/intel/boards/bytcr_rt5660.c @@ -0,0 +1,573 @@ +/* + * Intel Baytrail SST RT5660 machine driver + * Copyright (C) 2016 Shrirang Bagul shrirang.bagul@canonical.com + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#define DEBUG +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/gpio/consumer.h> +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/dmi.h> +#include <linux/slab.h> +#include <asm/cpu_device_id.h> +#include <asm/platform_sst_audio.h> +#include <linux/clk.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/jack.h> +#include "../../codecs/rt5660.h" +#include "../atom/sst-atom-controls.h" +#include "../common/sst-acpi.h" +#include "../common/sst-dsp.h" + +#define BYT_RT5660_MAP(quirk) ((quirk) & 0xff) +#define BYT_RT5660_SSP0_AIF1 BIT(16) +#define BYT_RT5660_MCLK_EN BIT(17) +#define BYT_RT5660_MCLK_25MHZ BIT(18) + +struct byt_rt5660_private { + struct clk *mclk; + struct gpio_desc *gpio_lo_mute; +}; + +static unsigned long byt_rt5660_quirk = (BYT_RT5660_MCLK_EN | + BYT_RT5660_MCLK_25MHZ); + +static void log_quirks(struct device *dev) +{ + if (byt_rt5660_quirk & BYT_RT5660_MCLK_EN) + dev_info(dev, "quirk MCLK_EN enabled"); + if (byt_rt5660_quirk & BYT_RT5660_MCLK_25MHZ) + dev_info(dev, "quirk MCLK_25MHZ enabled"); + if (byt_rt5660_quirk & BYT_RT5660_SSP0_AIF1) + dev_info(dev, "quirk SSP0_AIF1 enabled"); +} + +#define BYT_CODEC_DAI1 "rt5660-aif1" + +static inline struct snd_soc_dai *byt_get_codec_dai(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd; + + list_for_each_entry(rtd, &card->rtd_list, list) { + if (!strncmp(rtd->codec_dai->name, BYT_CODEC_DAI1, + strlen(BYT_CODEC_DAI1))) + return rtd->codec_dai; + } + return NULL; +} + +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 byt_rt5660_private *priv = snd_soc_card_get_drvdata(card); + int ret; + + codec_dai = byt_get_codec_dai(card); + 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)) { + if ((byt_rt5660_quirk & BYT_RT5660_MCLK_EN) && priv->mclk) { + ret = clk_prepare_enable(priv->mclk); + if (ret < 0) { + dev_err(card->dev, + "could not configure MCLK state"); + return ret; + } + } + ret = snd_soc_dai_set_sysclk(codec_dai, RT5660_SCLK_S_PLL1, + 48000 * 512, + SND_SOC_CLOCK_IN); + } else { + /* + * Set codec clock source to internal clock before + * turning off the platform clock. Codec needs clock + * for Jack detection and button press + */ + ret = snd_soc_dai_set_sysclk(codec_dai, RT5660_SCLK_S_RCCLK, + 0, + SND_SOC_CLOCK_IN); + if (!ret) { + if ((byt_rt5660_quirk & BYT_RT5660_MCLK_EN) && priv->mclk) + clk_disable_unprepare(priv->mclk); + } + } + + if (ret < 0) { + dev_err(card->dev, "can't set codec sysclk: %d\n", ret); + return ret; + } + + return 0; +} + +static int byt_rt5660_event_lineout(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 byt_rt5660_private *priv = snd_soc_card_get_drvdata(card); + + gpiod_set_value_cansleep(priv->gpio_lo_mute, + !(SND_SOC_DAPM_EVENT_ON(event))); + + return 0; +} + +static const struct snd_soc_dapm_widget byt_rt5660_widgets[] = { + SND_SOC_DAPM_MIC("Line In", NULL), + SND_SOC_DAPM_LINE("Line Out", byt_rt5660_event_lineout), + 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 byt_rt5660_audio_map[] = { + {"IN1P", NULL, "Line In"}, + {"IN2P", NULL, "Line In"}, + {"Line Out", NULL, "LOUTR"}, + {"Line Out", NULL, "LOUTL"}, + + {"Line In", NULL, "Platform Clock"}, + {"Line Out", NULL, "Platform Clock"}, +}; + +static const struct snd_soc_dapm_route byt_rt5660_ssp2_aif1_map[] = { + {"ssp2 Tx", NULL, "codec_out0"}, + {"ssp2 Tx", NULL, "codec_out1"}, + {"codec_in0", NULL, "ssp2 Rx"}, + {"codec_in1", NULL, "ssp2 Rx"}, + + {"AIF1 Playback", NULL, "ssp2 Tx"}, + {"ssp2 Rx", NULL, "AIF1 Capture"}, +}; + +static const struct snd_soc_dapm_route byt_rt5660_ssp0_aif1_map[] = { + {"ssp0 Tx", NULL, "modem_out"}, + {"modem_in", NULL, "ssp0 Rx"}, + + {"AIF1 Playback", NULL, "ssp0 Tx"}, + {"ssp0 Rx", NULL, "AIF1 Capture"}, +}; + +static const struct snd_kcontrol_new byt_rt5660_controls[] = { + SOC_DAPM_PIN_SWITCH("Line In"), + SOC_DAPM_PIN_SWITCH("Line Out"), +}; + +static int byt_rt5660_aif1_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; + + ret = snd_soc_dai_set_sysclk(codec_dai, RT5660_SCLK_S_PLL1, + params_rate(params) * 256, + SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(codec_dai->dev, "can't set codec clock %d\n", ret); + return ret; + } + + if (!(byt_rt5660_quirk & BYT_RT5660_MCLK_EN)) { + /* use bitclock as PLL input */ + if ((byt_rt5660_quirk & BYT_RT5660_SSP0_AIF1)) { + /* 2x16 bit slots on SSP0 */ + ret = snd_soc_dai_set_pll(codec_dai, 0, + RT5660_PLL1_S_BCLK, + params_rate(params) * 32, + params_rate(params) * 512); + } else { + /* 2x15 bit slots on SSP2 */ + ret = snd_soc_dai_set_pll(codec_dai, 0, + RT5660_PLL1_S_BCLK, + params_rate(params) * 50, + params_rate(params) * 512); + } + } else { + if (byt_rt5660_quirk & BYT_RT5660_MCLK_25MHZ) { + ret = snd_soc_dai_set_pll(codec_dai, 0, + RT5660_SCLK_S_MCLK, + 25000000, + params_rate(params) * 512); + } else { + ret = snd_soc_dai_set_pll(codec_dai, 0, + RT5660_SCLK_S_MCLK, + 19200000, + params_rate(params) * 512); + } + } + + if (ret < 0) { + dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret); + return ret; + } + + return 0; +} + +static int byt_rt5660_quirk_cb(const struct dmi_system_id *id) +{ + byt_rt5660_quirk = (unsigned long)id->driver_data; + return 1; +} + +static const struct dmi_system_id byt_rt5660_quirk_table[] = { + { + .callback = byt_rt5660_quirk_cb, + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Edge Gateway 3003"), + }, + .driver_data = (unsigned long *)(BYT_RT5660_MCLK_EN | + BYT_RT5660_MCLK_25MHZ), + }, + {}, +}; + +static int byt_rt5660_init(struct snd_soc_pcm_runtime *runtime) +{ + int ret; + struct snd_soc_card *card = runtime->card; + struct byt_rt5660_private *priv = snd_soc_card_get_drvdata(card); + struct snd_soc_codec *codec = runtime->codec; + + card->dapm.idle_bias_off = true; + + /* Request rt5660 GPIO for lineout mute control */ + priv->gpio_lo_mute = devm_gpiod_get_index(codec->dev, + "lineout-mute", 0, 0); + if (IS_ERR(priv->gpio_lo_mute)) { + dev_err(card->dev, "Can't find GPIO_MUTE# gpio\n"); + return PTR_ERR(priv->gpio_lo_mute); + } + gpiod_direction_output(priv->gpio_lo_mute, 1); + + ret = snd_soc_add_card_controls(card, byt_rt5660_controls, + ARRAY_SIZE(byt_rt5660_controls)); + if (ret) { + dev_err(card->dev, "unable to add card controls\n"); + return ret; + } + + if (byt_rt5660_quirk & BYT_RT5660_SSP0_AIF1) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_rt5660_ssp0_aif1_map, + ARRAY_SIZE(byt_rt5660_ssp0_aif1_map)); + } else { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_rt5660_ssp2_aif1_map, + ARRAY_SIZE(byt_rt5660_ssp2_aif1_map)); + } + if (ret) + return ret; + + snd_soc_dapm_ignore_suspend(&card->dapm, "Line Out"); + snd_soc_dapm_ignore_suspend(&card->dapm, "Line In"); + snd_soc_dapm_enable_pin_unlocked(&card->dapm, "Line Out"); + snd_soc_dapm_enable_pin_unlocked(&card->dapm, "Line In"); + + if ((byt_rt5660_quirk & BYT_RT5660_MCLK_EN) && priv->mclk) { + /* + * 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(priv->mclk); + if (!ret) + clk_disable_unprepare(priv->mclk); + + if (byt_rt5660_quirk & BYT_RT5660_MCLK_25MHZ) + ret = clk_set_rate(priv->mclk, 25000000); + else + ret = clk_set_rate(priv->mclk, 19200000); + + if (ret) + dev_err(card->dev, "unable to set MCLK rate\n"); + } + + return ret; +} + +static const struct snd_soc_pcm_stream byt_rt5660_dai_params = { + .formats = SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, +}; + +static int byt_rt5660_codec_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + 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); + int ret; + + /* The DSP will covert the FE rate to 48k, stereo */ + rate->min = rate->max = 48000; + channels->min = channels->max = 2; + + if ((byt_rt5660_quirk & BYT_RT5660_SSP0_AIF1)) { + + /* 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(rtd->cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_IF | + 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(rtd->cpu_dai, 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, override config + * with explicit setting to I2S 2ch 24-bit. The word length is set with + * dai_set_tdm_slot() since there is no other API exposed + */ + ret = snd_soc_dai_set_fmt(rtd->cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_IF | + 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(rtd->cpu_dai, 0x3, 0x3, 2, 24); + if (ret < 0) { + dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); + return ret; + } + } + return 0; +} + +static int byt_rt5660_aif1_startup(struct snd_pcm_substream *substream) +{ + return snd_pcm_hw_constraint_single(substream->runtime, + SNDRV_PCM_HW_PARAM_RATE, 48000); +} + +static struct snd_soc_ops byt_rt5660_aif1_ops = { + .startup = byt_rt5660_aif1_startup, +}; + +static struct snd_soc_ops byt_rt5660_be_ssp2_ops = { + .hw_params = byt_rt5660_aif1_hw_params, +}; + +static struct snd_soc_dai_link byt_rt5660_dais[] = { + [MERR_DPCM_AUDIO] = { + .name = "Baytrail Audio Port", + .stream_name = "Baytrail Audio", + .cpu_dai_name = "media-cpu-dai", + .codec_dai_name = "snd-soc-dummy-dai", + .codec_name = "snd-soc-dummy", + .platform_name = "sst-mfld-platform", + .ignore_suspend = 1, + .dynamic = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &byt_rt5660_aif1_ops, + }, + [MERR_DPCM_DEEP_BUFFER] = { + .name = "Deep-Buffer Audio Port", + .stream_name = "Deep-Buffer Audio", + .cpu_dai_name = "deepbuffer-cpu-dai", + .codec_dai_name = "snd-soc-dummy-dai", + .codec_name = "snd-soc-dummy", + .platform_name = "sst-mfld-platform", + .ignore_suspend = 1, + .nonatomic = true, + .dynamic = 1, + .dpcm_playback = 1, + .ops = &byt_rt5660_aif1_ops, + }, + [MERR_DPCM_COMPR] = { + .name = "Baytrail Compressed Port", + .stream_name = "Baytrail Compress", + .cpu_dai_name = "compress-cpu-dai", + .codec_dai_name = "snd-soc-dummy-dai", + .codec_name = "snd-soc-dummy", + .platform_name = "sst-mfld-platform", + }, + /* back ends */ + { + .name = "SSP2-Codec", + .id = 1, + .cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */ + .platform_name = "sst-mfld-platform", + .no_pcm = 1, + .codec_dai_name = "rt5660-aif1", + .codec_name = "i2c-10EC5660:00", /* overwritten with HID */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .be_hw_params_fixup = byt_rt5660_codec_fixup, + .ignore_suspend = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + .init = byt_rt5660_init, + .ops = &byt_rt5660_be_ssp2_ops, + }, +}; + +static struct snd_soc_card byt_rt5660_card = { + .name = "byt-rt5660", + .owner = THIS_MODULE, + .dai_link = byt_rt5660_dais, + .num_links = ARRAY_SIZE(byt_rt5660_dais), + .dapm_widgets = byt_rt5660_widgets, + .num_dapm_widgets = ARRAY_SIZE(byt_rt5660_widgets), + .dapm_routes = byt_rt5660_audio_map, + .num_dapm_routes = ARRAY_SIZE(byt_rt5660_audio_map), + .fully_routed = true, +}; + +static char byt_rt5660_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */ +static char byt_rt5660_cpu_dai_name[10]; /* = "ssp[0|2]-port" */ + +static bool is_valleyview(void) +{ + static const struct x86_cpu_id cpu_ids[] = { + { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */ + {} + }; + + if (!x86_match_cpu(cpu_ids)) + return false; + return true; +} + +static int byt_rt5660_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &byt_rt5660_card; + struct byt_rt5660_private *priv; + struct sst_acpi_mach *mach; + const char *i2c_name = NULL; + int ret_val = 0; + int i, dai_index; + + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC); + if (!priv) + return -ENOMEM; + + card->dev = &pdev->dev; + mach = byt_rt5660_card.dev->platform_data; + snd_soc_card_set_drvdata(card, priv); + + /* fix index of codec dai */ + dai_index = MERR_DPCM_COMPR + 1; + for (i = 0; i < ARRAY_SIZE(byt_rt5660_dais); i++) { + if (!strcmp(byt_rt5660_dais[i].codec_name, "i2c-10EC5660:00")) { + dai_index = i; + break; + } + } + + /* fixup codec name based on HID */ + i2c_name = sst_acpi_find_name_from_hid(mach->id); + if (i2c_name != NULL) { + snprintf(byt_rt5660_codec_name, sizeof(byt_rt5660_codec_name), + "%s%s", "i2c-", i2c_name); + + byt_rt5660_dais[dai_index].codec_name = byt_rt5660_codec_name; + } + + dmi_check_system(byt_rt5660_quirk_table); + log_quirks(&pdev->dev); + + if ((byt_rt5660_quirk & BYT_RT5660_SSP0_AIF1)) { + /* fixup cpu dai name name */ + snprintf(byt_rt5660_cpu_dai_name, + sizeof(byt_rt5660_cpu_dai_name), + "%s", "ssp0-port"); + + byt_rt5660_dais[dai_index].cpu_dai_name = + byt_rt5660_cpu_dai_name; + } + + if ((byt_rt5660_quirk & BYT_RT5660_MCLK_EN) && (is_valleyview())) { + priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); + if (IS_ERR(priv->mclk)) { + dev_err(&pdev->dev, + "Failed to get MCLK from pmc_plt_clk_3 : % ld\n", + PTR_ERR(priv->mclk)); + return PTR_ERR(priv->mclk); + } + } + + ret_val = devm_snd_soc_register_card(&pdev->dev, card); + if (ret_val) { + dev_err(&pdev->dev, "devm_snd_soc_register_card failed % d\n", + ret_val); + return ret_val; + } + platform_set_drvdata(pdev, card); + return ret_val; +} + +static struct platform_driver byt_rt5660_audio = { + .probe = byt_rt5660_probe, + .driver = { + .name = "bytcr_rt5660", + .pm = &snd_soc_pm_ops, + }, +}; +module_platform_driver(byt_rt5660_audio) + +MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver"); +MODULE_AUTHOR("Shrirang Bagul"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:bytcr_rt5660");