[alsa-devel] [PATCH 2/2] ASoC: Intel: boards: Add Baytrail RT5660 machine driver
Shrirang Bagul
shrirang.bagul at canonical.com
Mon Dec 19 14:51:47 CET 2016
This is used by Dell Edge IoT Gateways.
Signed-off-by: Shrirang Bagul <shrirang.bagul at 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 at 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");
--
2.9.3
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