| /* |
| * 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 |
| * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| * |
| * 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/platform_device.h> |
| #include <linux/acpi.h> |
| #include <linux/clk.h> |
| #include <linux/dmi.h> |
| #include <linux/slab.h> |
| #include <asm/cpu_device_id.h> |
| #include <asm/platform_sst_audio.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" |
| |
| #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) |
| |
| 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"); |
| } |
| |
| 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 = substream->private_data; |
| struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 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; |
| } |
| |
| /* uncomment when we have a real quirk |
| 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[] = { |
| { |
| }, |
| }; |
| |
| 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_codec *codec = runtime->codec; |
| 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(codec, |
| 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(codec, |
| 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(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(codec, &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 covert 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(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_fmt(rtd->codec_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 |
| */ |
| ret = snd_soc_dai_set_fmt(rtd->codec_dai, |
| SND_SOC_DAIFMT_DSP_B | |
| SND_SOC_DAIFMT_IB_NF | |
| SND_SOC_DAIFMT_CBS_CFS); |
| 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(rtd->codec_dai, 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, |
| }; |
| |
| static struct snd_soc_dai_link cht_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 = &cht_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 = &cht_aif1_ops, |
| }, |
| /* CODEC<->CODEC link */ |
| /* back ends */ |
| { |
| .name = "SSP2-Codec", |
| .id = 0, |
| .cpu_dai_name = "ssp2-port", |
| .platform_name = "sst-mfld-platform", |
| .no_pcm = 1, |
| .codec_dai_name = "rt5645-aif1", |
| .codec_name = "i2c-10EC5645:00", |
| .init = cht_codec_init, |
| .be_hw_params_fixup = cht_codec_fixup, |
| .nonatomic = true, |
| .dpcm_playback = 1, |
| .dpcm_capture = 1, |
| .ops = &cht_be_ssp2_ops, |
| }, |
| }; |
| |
| /* SoC card */ |
| static struct snd_soc_card snd_soc_card_chtrt5645 = { |
| .name = "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 = { |
| .name = "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]; |
| static char cht_rt5645_codec_aif_name[12]; /* = "rt5645-aif[1|2]" */ |
| static char cht_rt5645_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_cht_mc_probe(struct platform_device *pdev) |
| { |
| struct snd_soc_card *card = snd_soc_cards[0].soc_card; |
| struct snd_soc_acpi_mach *mach; |
| struct cht_mc_private *drv; |
| const char *i2c_name = NULL; |
| bool found = false; |
| bool is_bytcr = false; |
| int dai_index = 0; |
| int ret_val = 0; |
| int i; |
| |
| drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC); |
| 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].codec_name, "i2c-10EC5645:00")) { |
| card->dai_link[i].codec_name = drv->codec_name; |
| dai_index = i; |
| } |
| |
| /* fixup codec name based on HID */ |
| i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1); |
| if (i2c_name) { |
| snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name), |
| "%s%s", "i2c-", i2c_name); |
| cht_dailink[dai_index].codec_name = cht_rt5645_codec_name; |
| } |
| |
| /* |
| * 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 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)) { |
| |
| /* fixup codec aif name */ |
| snprintf(cht_rt5645_codec_aif_name, |
| sizeof(cht_rt5645_codec_aif_name), |
| "%s", "rt5645-aif2"); |
| |
| cht_dailink[dai_index].codec_dai_name = |
| cht_rt5645_codec_aif_name; |
| } |
| |
| if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) || |
| (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) { |
| |
| /* fixup cpu dai name name */ |
| snprintf(cht_rt5645_cpu_dai_name, |
| sizeof(cht_rt5645_cpu_dai_name), |
| "%s", "ssp0-port"); |
| |
| cht_dailink[dai_index].cpu_dai_name = |
| cht_rt5645_cpu_dai_name; |
| } |
| |
| drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3"); |
| if (IS_ERR(drv->mclk)) { |
| dev_err(&pdev->dev, |
| "Failed to get MCLK from pmc_plt_clk_3: %ld\n", |
| PTR_ERR(drv->mclk)); |
| return PTR_ERR(drv->mclk); |
| } |
| |
| snd_soc_card_set_drvdata(card, drv); |
| 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"); |