diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/intel/boards/cht_bsw_rt5645.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/boards/cht_bsw_rt5645.c')
-rw-r--r-- | sound/soc/intel/boards/cht_bsw_rt5645.c | 719 |
1 files changed, 719 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c new file mode 100644 index 0000000000..875bc0b3d8 --- /dev/null +++ b/sound/soc/intel/boards/cht_bsw_rt5645.c @@ -0,0 +1,719 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms + * Cherrytrail and Braswell, with RT5645 codec. + * + * Copyright (C) 2015 Intel Corp + * Author: Fang, Yang A <yang.a.fang@intel.com> + * N,Harshapriya <harshapriya.n@intel.com> + * This file is modified from cht_bsw_rt5672.c + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/acpi.h> +#include <linux/clk.h> +#include <linux/dmi.h> +#include <linux/slab.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/jack.h> +#include <sound/soc-acpi.h> +#include "../../codecs/rt5645.h" +#include "../atom/sst-atom-controls.h" +#include "../common/soc-intel-quirks.h" + +#define CHT_PLAT_CLK_3_HZ 19200000 +#define CHT_CODEC_DAI1 "rt5645-aif1" +#define CHT_CODEC_DAI2 "rt5645-aif2" + +struct cht_acpi_card { + char *codec_id; + int codec_type; + struct snd_soc_card *soc_card; +}; + +struct cht_mc_private { + struct snd_soc_jack jack; + struct cht_acpi_card *acpi_card; + char codec_name[SND_ACPI_I2C_ID_LEN]; + struct clk *mclk; +}; + +#define CHT_RT5645_MAP(quirk) ((quirk) & GENMASK(7, 0)) +#define CHT_RT5645_SSP2_AIF2 BIT(16) /* default is using AIF1 */ +#define CHT_RT5645_SSP0_AIF1 BIT(17) +#define CHT_RT5645_SSP0_AIF2 BIT(18) +#define CHT_RT5645_PMC_PLT_CLK_0 BIT(19) + +static unsigned long cht_rt5645_quirk = 0; + +static void log_quirks(struct device *dev) +{ + if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) + dev_info(dev, "quirk SSP2_AIF2 enabled"); + if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) + dev_info(dev, "quirk SSP0_AIF1 enabled"); + if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) + dev_info(dev, "quirk SSP0_AIF2 enabled"); + if (cht_rt5645_quirk & CHT_RT5645_PMC_PLT_CLK_0) + dev_info(dev, "quirk PMC_PLT_CLK_0 enabled"); +} + +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 cht_mc_private *ctx = snd_soc_card_get_drvdata(card); + int ret; + + codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI1); + if (!codec_dai) + codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI2); + + 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)) { + ret = clk_prepare_enable(ctx->mclk); + if (ret < 0) { + dev_err(card->dev, + "could not configure MCLK state"); + return ret; + } + } else { + /* Set codec sysclk source to its internal clock because codec PLL will + * be off when idle and MCLK will also be off when codec is + * runtime suspended. Codec needs clock for jack detection and button + * press. MCLK is turned off with clock framework or ACPI. + */ + ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK, + 48000 * 512, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(card->dev, "can't set codec sysclk: %d\n", ret); + return ret; + } + + clk_disable_unprepare(ctx->mclk); + } + + return 0; +} + +static const struct snd_soc_dapm_widget cht_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Int Mic", NULL), + SND_SOC_DAPM_MIC("Int Analog Mic", NULL), + SND_SOC_DAPM_SPK("Ext Spk", 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 cht_rt5645_audio_map[] = { + {"IN1P", NULL, "Headset Mic"}, + {"IN1N", NULL, "Headset Mic"}, + {"DMIC L1", NULL, "Int Mic"}, + {"DMIC R1", NULL, "Int Mic"}, + {"IN2P", NULL, "Int Analog Mic"}, + {"IN2N", NULL, "Int Analog Mic"}, + {"Headphone", NULL, "HPOL"}, + {"Headphone", NULL, "HPOR"}, + {"Ext Spk", NULL, "SPOL"}, + {"Ext Spk", NULL, "SPOR"}, + {"Headphone", NULL, "Platform Clock"}, + {"Headset Mic", NULL, "Platform Clock"}, + {"Int Mic", NULL, "Platform Clock"}, + {"Int Analog Mic", NULL, "Platform Clock"}, + {"Int Analog Mic", NULL, "micbias1"}, + {"Int Analog Mic", NULL, "micbias2"}, + {"Ext Spk", NULL, "Platform Clock"}, +}; + +static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = { + {"IN1P", NULL, "Headset Mic"}, + {"IN1N", NULL, "Headset Mic"}, + {"DMIC L2", NULL, "Int Mic"}, + {"DMIC R2", NULL, "Int Mic"}, + {"Headphone", NULL, "HPOL"}, + {"Headphone", NULL, "HPOR"}, + {"Ext Spk", NULL, "SPOL"}, + {"Ext Spk", NULL, "SPOR"}, + {"Headphone", NULL, "Platform Clock"}, + {"Headset Mic", NULL, "Platform Clock"}, + {"Int Mic", NULL, "Platform Clock"}, + {"Ext Spk", NULL, "Platform Clock"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif1_map[] = { + {"AIF1 Playback", NULL, "ssp2 Tx"}, + {"ssp2 Tx", NULL, "codec_out0"}, + {"ssp2 Tx", NULL, "codec_out1"}, + {"codec_in0", NULL, "ssp2 Rx" }, + {"codec_in1", NULL, "ssp2 Rx" }, + {"ssp2 Rx", NULL, "AIF1 Capture"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif2_map[] = { + {"AIF2 Playback", NULL, "ssp2 Tx"}, + {"ssp2 Tx", NULL, "codec_out0"}, + {"ssp2 Tx", NULL, "codec_out1"}, + {"codec_in0", NULL, "ssp2 Rx" }, + {"codec_in1", NULL, "ssp2 Rx" }, + {"ssp2 Rx", NULL, "AIF2 Capture"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif1_map[] = { + {"AIF1 Playback", NULL, "ssp0 Tx"}, + {"ssp0 Tx", NULL, "modem_out"}, + {"modem_in", NULL, "ssp0 Rx" }, + {"ssp0 Rx", NULL, "AIF1 Capture"}, +}; + +static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif2_map[] = { + {"AIF2 Playback", NULL, "ssp0 Tx"}, + {"ssp0 Tx", NULL, "modem_out"}, + {"modem_in", NULL, "ssp0 Rx" }, + {"ssp0 Rx", NULL, "AIF2 Capture"}, +}; + +static const struct snd_kcontrol_new cht_mc_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Int Mic"), + SOC_DAPM_PIN_SWITCH("Int Analog Mic"), + SOC_DAPM_PIN_SWITCH("Ext Spk"), +}; + +static struct snd_soc_jack_pin cht_bsw_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int cht_aif1_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + int ret; + + /* set codec PLL source to the 19.2MHz platform clock (MCLK) */ + ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK, + CHT_PLAT_CLK_3_HZ, params_rate(params) * 512); + if (ret < 0) { + dev_err(rtd->dev, "can't set codec pll: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1, + params_rate(params) * 512, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); + return ret; + } + + return 0; +} + +static int cht_rt5645_quirk_cb(const struct dmi_system_id *id) +{ + cht_rt5645_quirk = (unsigned long)id->driver_data; + return 1; +} + +static const struct dmi_system_id cht_rt5645_quirk_table[] = { + { + /* Strago family Chromebooks */ + .callback = cht_rt5645_quirk_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"), + }, + .driver_data = (void *)CHT_RT5645_PMC_PLT_CLK_0, + }, + { + }, +}; + +static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_card *card = runtime->card; + struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card); + struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; + int jack_type; + int ret; + + if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) { + /* Select clk_i2s2_asrc as ASRC clock source */ + rt5645_sel_asrc_clk_src(component, + RT5645_DA_STEREO_FILTER | + RT5645_DA_MONO_L_FILTER | + RT5645_DA_MONO_R_FILTER | + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S2_ASRC); + } else { + /* Select clk_i2s1_asrc as ASRC clock source */ + rt5645_sel_asrc_clk_src(component, + RT5645_DA_STEREO_FILTER | + RT5645_DA_MONO_L_FILTER | + RT5645_DA_MONO_R_FILTER | + RT5645_AD_STEREO_FILTER, + RT5645_CLK_SEL_I2S1_ASRC); + } + + if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp2_aif2_map, + ARRAY_SIZE(cht_rt5645_ssp2_aif2_map)); + } else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp0_aif1_map, + ARRAY_SIZE(cht_rt5645_ssp0_aif1_map)); + } else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp0_aif2_map, + ARRAY_SIZE(cht_rt5645_ssp0_aif2_map)); + } else { + ret = snd_soc_dapm_add_routes(&card->dapm, + cht_rt5645_ssp2_aif1_map, + ARRAY_SIZE(cht_rt5645_ssp2_aif1_map)); + } + if (ret) + return ret; + + if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650) + jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | + SND_JACK_BTN_0 | SND_JACK_BTN_1 | + SND_JACK_BTN_2 | SND_JACK_BTN_3; + else + jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE; + + ret = snd_soc_card_jack_new_pins(runtime->card, "Headset", jack_type, + &ctx->jack, cht_bsw_jack_pins, + ARRAY_SIZE(cht_bsw_jack_pins)); + if (ret) { + dev_err(runtime->dev, "Headset jack creation failed %d\n", ret); + return ret; + } + + rt5645_set_jack_detect(component, &ctx->jack, &ctx->jack, &ctx->jack); + + + /* + * 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(ctx->mclk); + if (!ret) + clk_disable_unprepare(ctx->mclk); + + ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ); + + if (ret) + dev_err(runtime->dev, "unable to set MCLK rate\n"); + + return ret; +} + +static int cht_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; + + if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) || + (cht_rt5645_quirk & CHT_RT5645_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(asoc_rtd_to_cpu(rtd, 0), + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_BP_FP + ); + if (ret < 0) { + dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0), + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_BC_FC + ); + 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(asoc_rtd_to_cpu(rtd, 0), 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 + */ + ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0), + SND_SOC_DAIFMT_DSP_B | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_BC_FC); + if (ret < 0) { + dev_err(rtd->dev, "can't set format to TDM %d\n", ret); + return ret; + } + + /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */ + ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 0), 0xF, 0xF, 4, 24); + if (ret < 0) { + dev_err(rtd->dev, "can't set codec TDM slot %d\n", ret); + return ret; + } + } + return 0; +} + +static int cht_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 cht_aif1_ops = { + .startup = cht_aif1_startup, +}; + +static const struct snd_soc_ops cht_be_ssp2_ops = { + .hw_params = cht_aif1_hw_params, +}; + +SND_SOC_DAILINK_DEF(dummy, + DAILINK_COMP_ARRAY(COMP_DUMMY())); + +SND_SOC_DAILINK_DEF(media, + DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai"))); + +SND_SOC_DAILINK_DEF(deepbuffer, + DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai"))); + +SND_SOC_DAILINK_DEF(ssp2_port, + DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port"))); +SND_SOC_DAILINK_DEF(ssp2_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5645:00", "rt5645-aif1"))); + +SND_SOC_DAILINK_DEF(platform, + DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); + +static struct snd_soc_dai_link cht_dailink[] = { + [MERR_DPCM_AUDIO] = { + .name = "Audio Port", + .stream_name = "Audio", + .nonatomic = true, + .dynamic = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &cht_aif1_ops, + SND_SOC_DAILINK_REG(media, dummy, platform), + }, + [MERR_DPCM_DEEP_BUFFER] = { + .name = "Deep-Buffer Audio Port", + .stream_name = "Deep-Buffer Audio", + .nonatomic = true, + .dynamic = 1, + .dpcm_playback = 1, + .ops = &cht_aif1_ops, + SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), + }, + /* CODEC<->CODEC link */ + /* back ends */ + { + .name = "SSP2-Codec", + .id = 0, + .no_pcm = 1, + .init = cht_codec_init, + .be_hw_params_fixup = cht_codec_fixup, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &cht_be_ssp2_ops, + SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform), + }, +}; + +/* use space before codec name to simplify card ID, and simplify driver name */ +#define SOF_CARD_RT5645_NAME "bytcht rt5645" /* card name 'sof-bytcht rt5645' */ +#define SOF_CARD_RT5650_NAME "bytcht rt5650" /* card name 'sof-bytcht rt5650' */ +#define SOF_DRIVER_NAME "SOF" + +#define CARD_RT5645_NAME "chtrt5645" +#define CARD_RT5650_NAME "chtrt5650" +#define DRIVER_NAME NULL /* card name will be used for driver name */ + +/* SoC card */ +static struct snd_soc_card snd_soc_card_chtrt5645 = { + .owner = THIS_MODULE, + .dai_link = cht_dailink, + .num_links = ARRAY_SIZE(cht_dailink), + .dapm_widgets = cht_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets), + .dapm_routes = cht_rt5645_audio_map, + .num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map), + .controls = cht_mc_controls, + .num_controls = ARRAY_SIZE(cht_mc_controls), +}; + +static struct snd_soc_card snd_soc_card_chtrt5650 = { + .owner = THIS_MODULE, + .dai_link = cht_dailink, + .num_links = ARRAY_SIZE(cht_dailink), + .dapm_widgets = cht_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets), + .dapm_routes = cht_rt5650_audio_map, + .num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map), + .controls = cht_mc_controls, + .num_controls = ARRAY_SIZE(cht_mc_controls), +}; + +static struct cht_acpi_card snd_soc_cards[] = { + {"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, + {"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, + {"10EC5648", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, + {"10EC3270", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645}, + {"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650}, +}; + +static char cht_rt5645_codec_name[SND_ACPI_I2C_ID_LEN]; + +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_cht_mc_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = snd_soc_cards[0].soc_card; + struct snd_soc_acpi_mach *mach; + const char *platform_name; + struct cht_mc_private *drv; + struct acpi_device *adev; + bool sof_parent; + bool found = false; + bool is_bytcr = false; + int dai_index = 0; + int ret_val = 0; + int i; + const char *mclk_name; + + drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); + if (!drv) + return -ENOMEM; + + mach = pdev->dev.platform_data; + + for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) { + if (acpi_dev_found(snd_soc_cards[i].codec_id) && + (!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) { + dev_dbg(&pdev->dev, + "found codec %s\n", snd_soc_cards[i].codec_id); + card = snd_soc_cards[i].soc_card; + drv->acpi_card = &snd_soc_cards[i]; + found = true; + break; + } + } + + if (!found) { + dev_err(&pdev->dev, "No matching HID found in supported list\n"); + return -ENODEV; + } + + card->dev = &pdev->dev; + sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id); + + /* set correct codec name */ + for (i = 0; i < ARRAY_SIZE(cht_dailink); i++) + if (!strcmp(card->dai_link[i].codecs->name, + "i2c-10EC5645:00")) { + card->dai_link[i].codecs->name = drv->codec_name; + dai_index = i; + } + + /* fixup codec name based on HID */ + adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); + if (adev) { + snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name), + "i2c-%s", acpi_dev_name(adev)); + cht_dailink[dai_index].codecs->name = cht_rt5645_codec_name; + } + acpi_dev_put(adev); + + /* + * swap SSP0 if bytcr is detected + * (will be overridden if DMI quirk is detected) + */ + if (soc_intel_is_byt()) { + if (mach->mach_params.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 = { 0 }; + + /* format specified: 2 64-bit integers */ + struct acpi_buffer format = {sizeof("NN"), "NN"}; + struct acpi_buffer state = {0, NULL}; + struct snd_soc_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 = snd_soc_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"); + cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF1; + } else if (chan_package.aif_value == 2) { + dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n"); + cht_rt5645_quirk |= CHT_RT5645_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-AIF2 connection */ + cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2; + } + } + + /* check quirks before creating card */ + dmi_check_system(cht_rt5645_quirk_table); + log_quirks(&pdev->dev); + + if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) + cht_dailink[dai_index].codecs->dai_name = "rt5645-aif2"; + + if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) || + (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) + cht_dailink[dai_index].cpus->dai_name = "ssp0-port"; + + /* override platform name, if required */ + platform_name = mach->mach_params.platform; + + ret_val = snd_soc_fixup_dai_links_platform_name(card, + platform_name); + if (ret_val) + return ret_val; + + if (cht_rt5645_quirk & CHT_RT5645_PMC_PLT_CLK_0) + mclk_name = "pmc_plt_clk_0"; + else + mclk_name = "pmc_plt_clk_3"; + + drv->mclk = devm_clk_get(&pdev->dev, mclk_name); + if (IS_ERR(drv->mclk)) { + dev_err(&pdev->dev, "Failed to get MCLK from %s: %ld\n", + mclk_name, PTR_ERR(drv->mclk)); + return PTR_ERR(drv->mclk); + } + + snd_soc_card_set_drvdata(card, drv); + + sof_parent = snd_soc_acpi_sof_parent(&pdev->dev); + + /* set card and driver name */ + if (sof_parent) { + snd_soc_card_chtrt5645.name = SOF_CARD_RT5645_NAME; + snd_soc_card_chtrt5645.driver_name = SOF_DRIVER_NAME; + snd_soc_card_chtrt5650.name = SOF_CARD_RT5650_NAME; + snd_soc_card_chtrt5650.driver_name = SOF_DRIVER_NAME; + } else { + snd_soc_card_chtrt5645.name = CARD_RT5645_NAME; + snd_soc_card_chtrt5645.driver_name = DRIVER_NAME; + snd_soc_card_chtrt5650.name = CARD_RT5650_NAME; + snd_soc_card_chtrt5650.driver_name = DRIVER_NAME; + } + + /* set pm ops */ + if (sof_parent) + pdev->dev.driver->pm = &snd_soc_pm_ops; + + 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 snd_cht_mc_driver = { + .driver = { + .name = "cht-bsw-rt5645", + }, + .probe = snd_cht_mc_probe, +}; + +module_platform_driver(snd_cht_mc_driver) + +MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver"); +MODULE_AUTHOR("Fang, Yang A,N,Harshapriya"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:cht-bsw-rt5645"); |