diff options
-rw-r--r-- | sound/soc/intel/Kconfig | 12 | ||||
-rw-r--r-- | sound/soc/intel/boards/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/intel/boards/bytcht_da7213.c | 283 |
3 files changed, 297 insertions, 0 deletions
diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 526855ad479e..8d32fc336eb8 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -202,6 +202,18 @@ config SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH platforms with MAX98090 audio codec it also can support TI jack chip as aux device. If unsure select "N". +config SND_SOC_INTEL_BYT_CHT_DA7213_MACH + tristate "ASoC Audio driver for Intel Baytrail & Cherrytrail with DA7212/7213 codec" + depends on X86_INTEL_LPSS && I2C && ACPI + select SND_SOC_DA7213 + 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 & CherryTrail + platforms with DA7212/7213 audio codec. + If unsure select "N". + config SND_SOC_INTEL_SKYLAKE tristate select SND_HDA_EXT_CORE diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile index 5639f10774e6..8a5d9edd16ee 100644 --- a/sound/soc/intel/boards/Makefile +++ b/sound/soc/intel/boards/Makefile @@ -10,6 +10,7 @@ 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 snd-soc-sst-cht-bsw-max98090_ti-objs := cht_bsw_max98090_ti.o +snd-soc-sst-byt-cht-da7213-objs := bytcht_da7213.o snd-soc-skl_rt286-objs := skl_rt286.o snd-skl_nau88l25_max98357a-objs := skl_nau88l25_max98357a.o snd-soc-skl_nau88l25_ssm4567-objs := skl_nau88l25_ssm4567.o @@ -26,6 +27,7 @@ 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-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5645_MACH) += snd-soc-sst-cht-bsw-rt5645.o obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH) += snd-soc-sst-cht-bsw-max98090_ti.o +obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_DA7213_MACH) += snd-soc-sst-byt-cht-da7213.o obj-$(CONFIG_SND_SOC_INTEL_SKL_RT286_MACH) += snd-soc-skl_rt286.o obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH) += snd-skl_nau88l25_max98357a.o obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH) += snd-soc-skl_nau88l25_ssm4567.o diff --git a/sound/soc/intel/boards/bytcht_da7213.c b/sound/soc/intel/boards/bytcht_da7213.c new file mode 100644 index 000000000000..18873e23f404 --- /dev/null +++ b/sound/soc/intel/boards/bytcht_da7213.c @@ -0,0 +1,283 @@ +/* + * bytcht-da7213.c - ASoc Machine driver for Intel Baytrail and + * Cherrytrail-based platforms, with Dialog DA7213 codec + * + * Copyright (C) 2017 Intel Corporation + * Author: Pierre-Louis Bossart <pierre-louis.bossart@linux.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/module.h> +#include <linux/acpi.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <asm/platform_sst_audio.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include "../../codecs/da7213.h" +#include "../atom/sst-atom-controls.h" +#include "../common/sst-acpi.h" + +static const struct snd_kcontrol_new controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone Jack"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Mic"), + SOC_DAPM_PIN_SWITCH("Aux In"), +}; + +static const struct snd_soc_dapm_widget dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Mic", NULL), + SND_SOC_DAPM_LINE("Aux In", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Jack", NULL, "HPL"}, + {"Headphone Jack", NULL, "HPR"}, + + {"AUXL", NULL, "Aux In"}, + {"AUXR", NULL, "Aux In"}, + + /* Assume Mic1 is linked to Headset and Mic2 to on-board mic */ + {"MIC1", NULL, "Headset Mic"}, + {"MIC2", NULL, "Mic"}, + + /* SOC-codec link */ + {"ssp2 Tx", NULL, "codec_out0"}, + {"ssp2 Tx", NULL, "codec_out1"}, + {"codec_in0", NULL, "ssp2 Rx"}, + {"codec_in1", NULL, "ssp2 Rx"}, + + {"Playback", NULL, "ssp2 Tx"}, + {"ssp2 Rx", NULL, "Capture"}, +}; + +static int 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 convert the FE rate to 48k, stereo, 24bits */ + rate->min = rate->max = 48000; + channels->min = channels->max = 2; + + /* 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 aif1_startup(struct snd_pcm_substream *substream) +{ + return snd_pcm_hw_constraint_single(substream->runtime, + SNDRV_PCM_HW_PARAM_RATE, 48000); +} + +static int 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, DA7213_CLKSRC_MCLK, + 19200000, SND_SOC_CLOCK_IN); + if (ret < 0) + dev_err(codec_dai->dev, "can't set codec sysclk configuration\n"); + + ret = snd_soc_dai_set_pll(codec_dai, 0, + DA7213_SYSCLK_PLL_SRM, 0, DA7213_PLL_FREQ_OUT_98304000); + if (ret < 0) { + dev_err(codec_dai->dev, "failed to start PLL: %d\n", ret); + return -EIO; + } + + return ret; +} + +static int aif1_hw_free(struct snd_pcm_substream *substream) +{ + 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_pll(codec_dai, 0, + DA7213_SYSCLK_MCLK, 0, 0); + if (ret < 0) { + dev_err(codec_dai->dev, "failed to stop PLL: %d\n", ret); + return -EIO; + } + + return ret; +} + +static const struct snd_soc_ops aif1_ops = { + .startup = aif1_startup, +}; + +static const struct snd_soc_ops ssp2_ops = { + .hw_params = aif1_hw_params, + .hw_free = aif1_hw_free, + +}; + +static struct snd_soc_dai_link dailink[] = { + [MERR_DPCM_AUDIO] = { + .name = "Audio Port", + .stream_name = "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 = &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 = &aif1_ops, + }, + [MERR_DPCM_COMPR] = { + .name = "Compressed Port", + .stream_name = "Compress", + .cpu_dai_name = "compress-cpu-dai", + .codec_dai_name = "snd-soc-dummy-dai", + .codec_name = "snd-soc-dummy", + .platform_name = "sst-mfld-platform", + }, + /* CODEC<->CODEC link */ + /* back ends */ + { + .name = "SSP2-Codec", + .id = 1, + .cpu_dai_name = "ssp2-port", + .platform_name = "sst-mfld-platform", + .no_pcm = 1, + .codec_dai_name = "da7213-hifi", + .codec_name = "i2c-DLGS7213:00", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .be_hw_params_fixup = codec_fixup, + .nonatomic = true, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &ssp2_ops, + }, +}; + +/* SoC card */ +static struct snd_soc_card bytcht_da7213_card = { + .name = "bytcht-da7213", + .owner = THIS_MODULE, + .dai_link = dailink, + .num_links = ARRAY_SIZE(dailink), + .controls = controls, + .num_controls = ARRAY_SIZE(controls), + .dapm_widgets = dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), +}; + +static char codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */ + +static int bytcht_da7213_probe(struct platform_device *pdev) +{ + int ret_val = 0; + int i; + struct snd_soc_card *card; + struct sst_acpi_mach *mach; + const char *i2c_name = NULL; + int dai_index = 0; + + mach = (&pdev->dev)->platform_data; + card = &bytcht_da7213_card; + card->dev = &pdev->dev; + + /* fix index of codec dai */ + dai_index = MERR_DPCM_COMPR + 1; + for (i = 0; i < ARRAY_SIZE(dailink); i++) { + if (!strcmp(dailink[i].codec_name, "i2c-DLGS7213:00")) { + 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(codec_name, sizeof(codec_name), + "%s%s", "i2c-", i2c_name); + dailink[dai_index].codec_name = codec_name; + } + + 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 bytcht_da7213_driver = { + .driver = { + .name = "bytcht_da7213", + }, + .probe = bytcht_da7213_probe, +}; +module_platform_driver(bytcht_da7213_driver); + +MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail+DA7213 Machine driver"); +MODULE_AUTHOR("Pierre-Louis Bossart"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:bytcht_da7213"); |