* [PATCH 2/2] ASoC: Intel: boards: Add Baytrail RT5660 machine driver
2016-12-19 13:51 [PATCH 0/2] ASoC: Dell IoT Gateway audio support Shrirang Bagul
2016-12-19 13:51 ` [PATCH 1/2] ASoC: rt5660: Add ACPI support Shrirang Bagul
@ 2016-12-19 13:51 ` Shrirang Bagul
2016-12-19 15:55 ` Mark Brown
1 sibling, 1 reply; 10+ messages in thread
From: Shrirang Bagul @ 2016-12-19 13:51 UTC (permalink / raw)
To: alsa-devel
Cc: linux-kernel, Liam Girdwood, Mark Brown, Jaroslav Kysela,
Takashi Iwai, Vinod Koul, Pierre-Louis Bossart, Jeeja KP,
Jie Yang, Sathyanarayana Nujella, John Keeping, Ramesh Babu,
Arnd Bergmann, Colin Ian King, Jorge Fernandez Monteagudo,
Ben Zhang
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");
--
2.9.3
^ permalink raw reply related [flat|nested] 10+ messages in thread