From: Paulo Sergio Travaglia pstglia@gmail.com

based on bytcr-rt5640 machine driver and android kernel source released by Lenovo [1]

This currently targets Baytrail Lenovo Yoga 2 Tablets (tested with 1051F)

- use arizona specific constants - set clock to codecs using snd_soc_codec_set_sysclk - map codec member from snd_soc_dai and set pll using snd_soc_codec_set_pll

NOTES: A) Currently only routes to Headphones are supported (Speaker seems to need power/activation) B) Requires ARIZONA/WM5102 codec (with some changes): - Voltage regulator - SPI detection through ACPI - platform data (ldoena 405, reset 246 & irq_gpio 342)

[1] - https://goo.gl/J1TR6n

Signed-off-by: Paulo Sergio Travaglia pstglia@gmail.com

diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 67968ef..8a6a25a 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -151,6 +151,19 @@ config SND_SOC_INTEL_BYTCR_RT5640_MACH Say Y if you have such a device. If unsure select "N".

+config SND_SOC_INTEL_BYTCR_WM5102_MACH + tristate "ASoC Audio driver for Intel Baytrail and Baytrail-CR with WM5102 codec" + depends on X86 && SPI && ACPI + select SND_SOC_WM5102 + select SND_SST_ATOM_HIFI2_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 WM5102 audio codec. + Say Y if you have such a device. + If unsure select "N". + config SND_SOC_INTEL_BYTCR_RT5651_MACH tristate "ASoC Audio driver for Intel Baytrail and Baytrail-CR with RT5651 codec" depends on X86 && I2C && ACPI diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index dd250b8..7ad1213 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -244,6 +244,13 @@ static int is_byt_cr(struct device *dev, bool *bytcr) { int status = 0;

+ /* Lenovo Yoga2 exception - acpi_ipc_irq_index is the 1st index, + but iosf_mbi_read (bios_status) returns 0 for bits 26:27 */ + if (dmi_match(DMI_SYS_VENDOR, "LENOVO") && dmi_match(DMI_PRODUCT_VERSION, "1051F")) { + *bytcr = true; + return status; + } + if (IS_ENABLED(CONFIG_IOSF_MBI)) { static const struct x86_cpu_id cpu_ids[] = { { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */ @@ -492,6 +499,10 @@ static struct sst_acpi_mach sst_acpi_bytcr[] = { &byt_rvp_platform_data }, {"INTCCFFD", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL, &byt_rvp_platform_data }, + {"WM510204", "bytcr_wm5102", "intel/fw_sst_0f28.bin", "bytcr_wm5102", NULL, + &byt_rvp_platform_data }, + {"WM510205", "bytcr_wm5102", "intel/fw_sst_0f28.bin", "bytcr_wm5102", NULL, + &byt_rvp_platform_data }, {"10EC5651", "bytcr_rt5651", "intel/fw_sst_0f28.bin", "bytcr_rt5651", NULL, &byt_rvp_platform_data }, {"DLGS7212", "bytcht_da7213", "intel/fw_sst_0f28.bin", "bytcht_da7213", NULL, diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile index 56896e0..396e5cf 100644 --- a/sound/soc/intel/boards/Makefile +++ b/sound/soc/intel/boards/Makefile @@ -6,6 +6,7 @@ snd-soc-sst-broadwell-objs := broadwell.o 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-wm5102-objs := bytcr_wm5102.o snd-soc-sst-bytcr-rt5651-objs := bytcr_rt5651.o snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o snd-soc-sst-cht-bsw-rt5645-objs := cht_bsw_rt5645.o @@ -24,6 +25,7 @@ obj-$(CONFIG_SND_SOC_INTEL_BXT_RT298_MACH) += snd-soc-sst-bxt-rt298.o obj-$(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-$(CONFIG_SND_SOC_INTEL_BYTCR_WM5102_MACH) += snd-soc-sst-bytcr-wm5102.o obj-$(CONFIG_SND_SOC_INTEL_BYTCR_RT5651_MACH) += snd-soc-sst-bytcr-rt5651.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 diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c new file mode 100644 index 0000000..ade1e67 --- /dev/null +++ b/sound/soc/intel/boards/bytcr_wm5102.c @@ -0,0 +1,769 @@ +/* + * byt_cr_dpcm_wm5102.c - ASoc Machine driver for Intel Byt CR platform + * + * Based on bytcr_rt5640 driver + * Copyright (C) 2014 Intel Corp + * Author: Subhransu S. Prusty subhransu.s.prusty@intel.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; version 2 of the License. + * + * 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. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.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/wm5102.h" +#include "../atom/sst-atom-controls.h" +#include "../common/sst-acpi.h" +#include "../common/sst-dsp.h" + +enum { + BYT_WM5102_DMIC1_MAP, + BYT_WM5102_DMIC2_MAP, + BYT_WM5102_IN1_MAP, + BYT_WM5102_IN3_MAP, +}; + +#define BYT_WM5102_MAP(quirk) ((quirk) & 0xff) +#define BYT_WM5102_DMIC_EN BIT(16) +#define BYT_WM5102_MONO_SPEAKER BIT(17) +#define BYT_WM5102_DIFF_MIC BIT(18) /* defaut is single-ended */ +#define BYT_WM5102_SSP2_AIF2 BIT(19) /* default is using AIF1 */ +#define BYT_WM5102_SSP0_AIF1 BIT(20) +#define BYT_WM5102_SSP0_AIF2 BIT(21) +#define BYT_WM5102_MCLK_EN BIT(22) +#define BYT_WM5102_MCLK_25MHZ BIT(23) + +#define WM5102_MAX_SYSCLK_1 49152000 /*max sysclk for 4K family*/ +#define WM5102_MAX_SYSCLK_2 45158400 /*max sysclk for 11.025K family*/ + +struct byt_wm5102_private { + struct clk *mclk; +}; + +static unsigned long byt_wm5102_quirk = BYT_WM5102_MCLK_EN; + +static void log_quirks(struct device *dev) +{ + if (BYT_WM5102_MAP(byt_wm5102_quirk) == BYT_WM5102_DMIC1_MAP) + dev_info(dev, "quirk DMIC1_MAP enabled"); + if (BYT_WM5102_MAP(byt_wm5102_quirk) == BYT_WM5102_DMIC2_MAP) + dev_info(dev, "quirk DMIC2_MAP enabled"); + if (BYT_WM5102_MAP(byt_wm5102_quirk) == BYT_WM5102_IN1_MAP) + dev_info(dev, "quirk IN1_MAP enabled"); + if (BYT_WM5102_MAP(byt_wm5102_quirk) == BYT_WM5102_IN3_MAP) + dev_info(dev, "quirk IN3_MAP enabled"); + if (byt_wm5102_quirk & BYT_WM5102_DMIC_EN) + dev_info(dev, "quirk DMIC enabled"); + if (byt_wm5102_quirk & BYT_WM5102_MONO_SPEAKER) + dev_info(dev, "quirk MONO_SPEAKER enabled"); + if (byt_wm5102_quirk & BYT_WM5102_DIFF_MIC) + dev_info(dev, "quirk DIFF_MIC enabled"); + if (byt_wm5102_quirk & BYT_WM5102_SSP2_AIF2) + dev_info(dev, "quirk SSP2_AIF2 enabled"); + if (byt_wm5102_quirk & BYT_WM5102_SSP0_AIF1) + dev_info(dev, "quirk SSP0_AIF1 enabled"); + if (byt_wm5102_quirk & BYT_WM5102_SSP0_AIF2) + dev_info(dev, "quirk SSP0_AIF2 enabled"); + if (byt_wm5102_quirk & BYT_WM5102_MCLK_EN) + dev_info(dev, "quirk MCLK_EN enabled"); + if (byt_wm5102_quirk & BYT_WM5102_MCLK_25MHZ) + dev_info(dev, "quirk MCLK_25MHZ enabled"); +} + + +#define BYT_CODEC_DAI1 "wm5102-aif1" +#define BYT_CODEC_DAI2 "wm5102-aif2" + +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; + if (!strncmp(rtd->codec_dai->name, BYT_CODEC_DAI2, + strlen(BYT_CODEC_DAI2))) + 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_wm5102_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_wm5102_quirk & BYT_WM5102_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, ARIZONA_CLK_SYSCLK, + 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, ARIZONA_CLK_SYSCLK, + 48000 * 512, + SND_SOC_CLOCK_IN); + if (!ret) { + if ((byt_wm5102_quirk & BYT_WM5102_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 const struct snd_soc_dapm_widget byt_wm5102_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Internal Mic", NULL), + SND_SOC_DAPM_SPK("Speaker", 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 byt_wm5102_audio_map[] = { + {"Headphone", NULL, "Platform Clock"}, + {"Headset Mic", NULL, "Platform Clock"}, + {"Internal Mic", NULL, "Platform Clock"}, + {"Speaker", NULL, "Platform Clock"}, + + {"Headset Mic", NULL, "MICBIAS1"}, + {"IN1L", NULL, "Headset Mic"}, + {"Headphone", NULL, "HPOUT1L"}, + {"Headphone", NULL, "HPOUT1R"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_intmic_dmic1_map[] = { + {"DMIC1", NULL, "Internal Mic"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_intmic_dmic2_map[] = { + {"DMIC2", NULL, "Internal Mic"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_intmic_in1_map[] = { + {"Internal Mic", NULL, "MICBIAS1"}, + {"IN1P", NULL, "Internal Mic"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_intmic_in3_map[] = { + {"Internal Mic", NULL, "MICBIAS1"}, + {"IN3P", NULL, "Internal Mic"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_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_wm5102_ssp2_aif2_map[] = { + {"ssp2 Tx", NULL, "codec_out0"}, + {"ssp2 Tx", NULL, "codec_out1"}, + {"codec_in0", NULL, "ssp2 Rx"}, + {"codec_in1", NULL, "ssp2 Rx"}, + + {"AIF2 Playback", NULL, "ssp2 Tx"}, + {"ssp2 Rx", NULL, "AIF2 Capture"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_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_soc_dapm_route byt_wm5102_ssp0_aif2_map[] = { + {"ssp0 Tx", NULL, "modem_out"}, + {"modem_in", NULL, "ssp0 Rx"}, + + {"AIF2 Playback", NULL, "ssp0 Tx"}, + {"ssp0 Rx", NULL, "AIF2 Capture"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_stereo_spk_map[] = { + {"Speaker", NULL, "SPKOUTLP"}, + {"Speaker", NULL, "SPKOUTLN"}, + {"Speaker", NULL, "SPKOUTRP"}, + {"Speaker", NULL, "SPKOUTRN"}, +}; + +static const struct snd_soc_dapm_route byt_wm5102_mono_spk_map[] = { + {"Speaker", NULL, "SPKOUTLP"}, + {"Speaker", NULL, "SPKOUTLN"}, +}; + +static const struct snd_kcontrol_new byt_wm5102_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Internal Mic"), + SOC_DAPM_PIN_SWITCH("Speaker"), +}; + +static int byt_wm5102_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; + struct snd_soc_codec *wm5102_codec = codec_dai->codec; + int ret; + + int sr = params_rate(params); + int sr_mult = (params_rate(params) % 4000 == 0) ? (WM5102_MAX_SYSCLK_1/params_rate(params)) : (WM5102_MAX_SYSCLK_2/params_rate(params)); + + + ret = snd_soc_dai_set_sysclk(codec_dai, ARIZONA_CLK_SYSCLK, + params_rate(params) * 512, + SND_SOC_CLOCK_IN); + + if (ret < 0) { + dev_err(rtd->dev, "can't set codec clock %d\n", ret); + return ret; + } + + /*reset FLL1*/ + snd_soc_codec_set_pll(wm5102_codec, WM5102_FLL1_REFCLK, + ARIZONA_FLL_SRC_NONE, + 0, + 0); + + snd_soc_codec_set_pll(wm5102_codec, WM5102_FLL1, + ARIZONA_FLL_SRC_NONE, + 0, + 0); + + ret = snd_soc_codec_set_pll(wm5102_codec, WM5102_FLL1, + ARIZONA_CLK_SRC_MCLK1, + 25000000, + sr * sr_mult); + + if (ret < 0) { + dev_err(rtd->dev, "can't set codec pll: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_sysclk(wm5102_codec, + ARIZONA_CLK_SYSCLK, + ARIZONA_CLK_SRC_FLL1, + sr * sr_mult, + SND_SOC_CLOCK_IN); + if (ret != 0) { + dev_err(wm5102_codec->dev, "Failed to set AYNCCLK: %d\n", ret); + return ret; + } + + ret = snd_soc_codec_set_sysclk(wm5102_codec, + ARIZONA_CLK_SYSCLK, 0, + sr * sr_mult, + SND_SOC_CLOCK_OUT); + if (ret < 0) { + dev_err(rtd->dev, "can't set OPCLK %d\n", ret); + } + + return 0; +} + +static int byt_wm5102_quirk_cb(const struct dmi_system_id *id) +{ + byt_wm5102_quirk = (unsigned long)id->driver_data; + return 1; +} + +static const struct dmi_system_id byt_wm5102_quirk_table[] = { + { + .callback = byt_wm5102_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_CHASSIS_VERSION, "1051F"), + }, + .driver_data = (unsigned long *)(BYT_WM5102_MCLK_25MHZ | + BYT_WM5102_MCLK_EN | + BYT_WM5102_SSP0_AIF1), + + }, + {} +}; + +static int byt_wm5102_init(struct snd_soc_pcm_runtime *runtime) +{ + int ret; + struct snd_soc_codec *codec = runtime->codec; + struct snd_soc_card *card = runtime->card; + const struct snd_soc_dapm_route *custom_map; + struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card); + int num_routes; + + card->dapm.idle_bias_off = true; + + ret = snd_soc_add_card_controls(card, byt_wm5102_controls, + ARRAY_SIZE(byt_wm5102_controls)); + if (ret) { + dev_err(card->dev, "unable to add card controls\n"); + return ret; + } + + if (byt_wm5102_quirk & BYT_WM5102_SSP2_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_wm5102_ssp2_aif2_map, + ARRAY_SIZE(byt_wm5102_ssp2_aif2_map)); + } else if (byt_wm5102_quirk & BYT_WM5102_SSP0_AIF1) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_wm5102_ssp0_aif1_map, + ARRAY_SIZE(byt_wm5102_ssp0_aif1_map)); + } else if (byt_wm5102_quirk & BYT_WM5102_SSP0_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_wm5102_ssp0_aif2_map, + ARRAY_SIZE(byt_wm5102_ssp0_aif2_map)); + } else { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_wm5102_ssp2_aif1_map, + ARRAY_SIZE(byt_wm5102_ssp2_aif1_map)); + } + if (ret) + return ret; + + if (byt_wm5102_quirk & BYT_WM5102_MONO_SPEAKER) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_wm5102_mono_spk_map, + ARRAY_SIZE(byt_wm5102_mono_spk_map)); + } else { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_wm5102_stereo_spk_map, + ARRAY_SIZE(byt_wm5102_stereo_spk_map)); + } + if (ret) + return ret; + + snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); + snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker"); + + if ((byt_wm5102_quirk & BYT_WM5102_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_wm5102_quirk & BYT_WM5102_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_wm5102_dai_params = { + .formats = SNDRV_PCM_FMTBIT_S24_LE, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, +}; + +static int byt_wm5102_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_wm5102_quirk & BYT_WM5102_SSP0_AIF1) || + (byt_wm5102_quirk & BYT_WM5102_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(rtd->cpu_dai, + 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(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_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(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_wm5102_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 byt_wm5102_aif1_ops = { + .startup = byt_wm5102_aif1_startup, +}; + +static const struct snd_soc_ops byt_wm5102_be_ssp2_ops = { + .hw_params = byt_wm5102_aif1_hw_params, +}; + +static struct snd_soc_dai_link byt_wm5102_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", + .nonatomic = true, + .dynamic = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &byt_wm5102_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", + .nonatomic = true, + .dynamic = 1, + .dpcm_playback = 1, + .ops = &byt_wm5102_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 = "wm5102-aif1", /* changed w/ quirk */ + .codec_name = "wm5102-codec", /* overwritten with HID */ + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .be_hw_params_fixup = byt_wm5102_codec_fixup, + .ignore_suspend = 1, + .nonatomic = true, + .dpcm_playback = 1, + .dpcm_capture = 1, + .init = byt_wm5102_init, + .ops = &byt_wm5102_be_ssp2_ops, + }, +}; + +/* SoC card */ +static struct snd_soc_card byt_wm5102_card = { + .name = "bytcr-wm5102", + .owner = THIS_MODULE, + .dai_link = byt_wm5102_dais, + .num_links = ARRAY_SIZE(byt_wm5102_dais), + .dapm_widgets = byt_wm5102_widgets, + .num_dapm_widgets = ARRAY_SIZE(byt_wm5102_widgets), + .dapm_routes = byt_wm5102_audio_map, + .num_dapm_routes = ARRAY_SIZE(byt_wm5102_audio_map), + .fully_routed = true, +}; + +static char byt_wm5102_codec_name[13]; /* wm5102-codec */ +static char byt_wm5102_codec_aif_name[12]; /* = "wm5102-aif[1|2]" */ +static char byt_wm5102_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; +} + +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_byt_wm5102_mc_probe(struct platform_device *pdev) +{ + int ret_val = 0; + struct sst_acpi_mach *mach; + int i; + int dai_index; + struct byt_wm5102_private *priv; + bool is_bytcr = false; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC); + if (!priv) + return -ENOMEM; + + /* register the soc card */ + byt_wm5102_card.dev = &pdev->dev; + mach = byt_wm5102_card.dev->platform_data; + snd_soc_card_set_drvdata(&byt_wm5102_card, priv); + + /* fix index of codec dai */ + dai_index = MERR_DPCM_COMPR + 1; + for (i = 0; i < ARRAY_SIZE(byt_wm5102_dais); i++) { + if (!strcmp(byt_wm5102_dais[i].codec_name, "wm5102-codec")) { + dai_index = i; + break; + } + } + + /* + * swap SSP0 if bytcr is detected + * (will be overridden if DMI quirk is detected) + */ + if (is_valleyview()) { + struct sst_platform_info *p_info = mach->pdata; + const struct sst_res_info *res_info = p_info->res_info; + + if (res_info->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 sst_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 = sst_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"); + byt_wm5102_quirk |= BYT_WM5102_SSP0_AIF1; + } else if (chan_package.aif_value == 2) { + dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n"); + byt_wm5102_quirk |= BYT_WM5102_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-AIF1 connection */ + byt_wm5102_quirk |= BYT_WM5102_SSP0_AIF1; + } + + /* change defaults for Baytrail-CR capture */ + byt_wm5102_quirk |= BYT_WM5102_IN1_MAP; + byt_wm5102_quirk |= BYT_WM5102_DIFF_MIC; + } else { + byt_wm5102_quirk |= (BYT_WM5102_DMIC1_MAP | + BYT_WM5102_DMIC_EN); + } + + /* check quirks before creating card */ + dmi_check_system(byt_wm5102_quirk_table); + log_quirks(&pdev->dev); + + if ((byt_wm5102_quirk & BYT_WM5102_SSP2_AIF2) || + (byt_wm5102_quirk & BYT_WM5102_SSP0_AIF2)) { + + /* fixup codec aif name */ + snprintf(byt_wm5102_codec_aif_name, + sizeof(byt_wm5102_codec_aif_name), + "%s", "wm5102-aif2"); + + byt_wm5102_dais[dai_index].codec_dai_name = + byt_wm5102_codec_aif_name; + } + + if ((byt_wm5102_quirk & BYT_WM5102_SSP0_AIF1) || + (byt_wm5102_quirk & BYT_WM5102_SSP0_AIF2)) { + + /* fixup cpu dai name name */ + snprintf(byt_wm5102_cpu_dai_name, + sizeof(byt_wm5102_cpu_dai_name), + "%s", "ssp0-port"); + + byt_wm5102_dais[dai_index].cpu_dai_name = + byt_wm5102_cpu_dai_name; + } + + if ((byt_wm5102_quirk & BYT_WM5102_MCLK_EN) && (is_valleyview())) { + priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); + if (IS_ERR(priv->mclk)) { + ret_val = PTR_ERR(priv->mclk); + + dev_err(&pdev->dev, + "Failed to get MCLK from pmc_plt_clk_3: %d\n", + ret_val); + + /* + * Fall back to bit clock usage for -ENOENT (clock not + * available likely due to missing dependencies), bail + * for all other errors, including -EPROBE_DEFER + */ + if (ret_val != -ENOENT) + return ret_val; + byt_wm5102_quirk &= ~BYT_WM5102_MCLK_EN; + } + } + + ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_wm5102_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, &byt_wm5102_card); + return ret_val; +} + +static struct platform_driver snd_byt_wm5102_mc_driver = { + .driver = { + .name = "bytcr_wm5102", + }, + .probe = snd_byt_wm5102_mc_probe, +}; + +module_platform_driver(snd_byt_wm5102_mc_driver); + +MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver"); +MODULE_AUTHOR("Subhransu S. Prusty subhransu.s.prusty@intel.com"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:bytcr_wm5102");