diff options
Diffstat (limited to 'sound/soc/intel/boards/bytcr_rt5651.c')
| -rw-r--r-- | sound/soc/intel/boards/bytcr_rt5651.c | 1152 |
1 files changed, 1152 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c new file mode 100644 index 000000000..805afaf47 --- /dev/null +++ b/sound/soc/intel/boards/bytcr_rt5651.c @@ -0,0 +1,1152 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform + * (derived from bytcr_rt5640.c) + * + * Copyright (C) 2015 Intel Corp + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/property.h> +#include <linux/acpi.h> +#include <linux/clk.h> +#include <linux/device.h> +#include <linux/dmi.h> +#include <linux/input.h> +#include <linux/gpio/consumer.h> +#include <linux/gpio/machine.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/rt5651.h" +#include "../atom/sst-atom-controls.h" +#include "../common/soc-intel-quirks.h" + +enum { + BYT_RT5651_DMIC_MAP, + BYT_RT5651_IN1_MAP, + BYT_RT5651_IN2_MAP, + BYT_RT5651_IN1_IN2_MAP, +}; + +enum { + BYT_RT5651_JD_NULL = (RT5651_JD_NULL << 4), + BYT_RT5651_JD1_1 = (RT5651_JD1_1 << 4), + BYT_RT5651_JD1_2 = (RT5651_JD1_2 << 4), + BYT_RT5651_JD2 = (RT5651_JD2 << 4), +}; + +enum { + BYT_RT5651_OVCD_TH_600UA = (6 << 8), + BYT_RT5651_OVCD_TH_1500UA = (15 << 8), + BYT_RT5651_OVCD_TH_2000UA = (20 << 8), +}; + +enum { + BYT_RT5651_OVCD_SF_0P5 = (RT5651_OVCD_SF_0P5 << 13), + BYT_RT5651_OVCD_SF_0P75 = (RT5651_OVCD_SF_0P75 << 13), + BYT_RT5651_OVCD_SF_1P0 = (RT5651_OVCD_SF_1P0 << 13), + BYT_RT5651_OVCD_SF_1P5 = (RT5651_OVCD_SF_1P5 << 13), +}; + +#define BYT_RT5651_MAP(quirk) ((quirk) & GENMASK(3, 0)) +#define BYT_RT5651_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4) +#define BYT_RT5651_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8) +#define BYT_RT5651_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13) +#define BYT_RT5651_DMIC_EN BIT(16) +#define BYT_RT5651_MCLK_EN BIT(17) +#define BYT_RT5651_MCLK_25MHZ BIT(18) +#define BYT_RT5651_SSP2_AIF2 BIT(19) /* default is using AIF1 */ +#define BYT_RT5651_SSP0_AIF1 BIT(20) +#define BYT_RT5651_SSP0_AIF2 BIT(21) +#define BYT_RT5651_HP_LR_SWAPPED BIT(22) +#define BYT_RT5651_MONO_SPEAKER BIT(23) +#define BYT_RT5651_JD_NOT_INV BIT(24) + +#define BYT_RT5651_DEFAULT_QUIRKS (BYT_RT5651_MCLK_EN | \ + BYT_RT5651_JD1_1 | \ + BYT_RT5651_OVCD_TH_2000UA | \ + BYT_RT5651_OVCD_SF_0P75) + +/* jack-detect-source + inv + dmic-en + ovcd-th + -sf + terminating entry */ +#define MAX_NO_PROPS 6 + +struct byt_rt5651_private { + struct clk *mclk; + struct gpio_desc *ext_amp_gpio; + struct gpio_desc *hp_detect; + struct snd_soc_jack jack; + struct device *codec_dev; +}; + +static const struct acpi_gpio_mapping *byt_rt5651_gpios; + +/* Default: jack-detect on JD1_1, internal mic on in2, headsetmic on in3 */ +static unsigned long byt_rt5651_quirk = BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP; + +static int quirk_override = -1; +module_param_named(quirk, quirk_override, int, 0444); +MODULE_PARM_DESC(quirk, "Board-specific quirk override"); + +static void log_quirks(struct device *dev) +{ + if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP) + dev_info(dev, "quirk DMIC_MAP enabled"); + if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP) + dev_info(dev, "quirk IN1_MAP enabled"); + if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP) + dev_info(dev, "quirk IN2_MAP enabled"); + if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_IN2_MAP) + dev_info(dev, "quirk IN1_IN2_MAP enabled"); + if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) { + dev_info(dev, "quirk realtek,jack-detect-source %ld\n", + BYT_RT5651_JDSRC(byt_rt5651_quirk)); + dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n", + BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100); + dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n", + BYT_RT5651_OVCD_SF(byt_rt5651_quirk)); + } + if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN) + dev_info(dev, "quirk DMIC enabled"); + if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) + dev_info(dev, "quirk MCLK_EN enabled"); + if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ) + dev_info(dev, "quirk MCLK_25MHZ enabled"); + if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) + dev_info(dev, "quirk SSP2_AIF2 enabled\n"); + if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) + dev_info(dev, "quirk SSP0_AIF1 enabled\n"); + if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) + dev_info(dev, "quirk SSP0_AIF2 enabled\n"); + if (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) + dev_info(dev, "quirk MONO_SPEAKER enabled\n"); + if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV) + dev_info(dev, "quirk JD_NOT_INV enabled\n"); +} + +#define BYT_CODEC_DAI1 "rt5651-aif1" +#define BYT_CODEC_DAI2 "rt5651-aif2" + +static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, + int rate, int bclk_ratio) +{ + int clk_id, clk_freq, ret; + + /* Configure the PLL before selecting it */ + if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) { + clk_id = RT5651_PLL1_S_BCLK1; + clk_freq = rate * bclk_ratio; + } else { + clk_id = RT5651_PLL1_S_MCLK; + if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ) + clk_freq = 25000000; + else + clk_freq = 19200000; + } + ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512); + if (ret < 0) { + dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, + rate * 512, SND_SOC_CLOCK_IN); + if (ret < 0) { + dev_err(codec_dai->component->dev, "can't set clock %d\n", ret); + return ret; + } + + return 0; +} + +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_rt5651_private *priv = snd_soc_card_get_drvdata(card); + int ret; + + codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1); + if (!codec_dai) + codec_dai = snd_soc_card_get_codec_dai(card, BYT_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(priv->mclk); + if (ret < 0) { + dev_err(card->dev, "could not configure MCLK state"); + return ret; + } + ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50); + } 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, RT5651_SCLK_S_RCCLK, + 48000 * 512, + SND_SOC_CLOCK_IN); + if (!ret) + 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 rt5651_ext_amp_power_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_card *card = w->dapm->card; + struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); + + if (SND_SOC_DAPM_EVENT_ON(event)) + gpiod_set_value_cansleep(priv->ext_amp_gpio, 1); + else + gpiod_set_value_cansleep(priv->ext_amp_gpio, 0); + + return 0; +} + +static const struct snd_soc_dapm_widget byt_rt5651_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_LINE("Line In", 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), + SND_SOC_DAPM_SUPPLY("Ext Amp Power", SND_SOC_NOPM, 0, 0, + rt5651_ext_amp_power_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), +}; + +static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = { + {"Headphone", NULL, "Platform Clock"}, + {"Headset Mic", NULL, "Platform Clock"}, + {"Internal Mic", NULL, "Platform Clock"}, + {"Speaker", NULL, "Platform Clock"}, + {"Speaker", NULL, "Ext Amp Power"}, + {"Line In", NULL, "Platform Clock"}, + + {"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */ + {"Headphone", NULL, "HPOL"}, + {"Headphone", NULL, "HPOR"}, + {"Speaker", NULL, "LOUTL"}, + {"Speaker", NULL, "LOUTR"}, + {"IN2P", NULL, "Line In"}, + {"IN2N", NULL, "Line In"}, + +}; + +static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = { + {"DMIC L1", NULL, "Internal Mic"}, + {"DMIC R1", NULL, "Internal Mic"}, + {"IN2P", NULL, "Headset Mic"}, +}; + +static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = { + {"Internal Mic", NULL, "micbias1"}, + {"IN1P", NULL, "Internal Mic"}, + {"IN3P", NULL, "Headset Mic"}, +}; + +static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = { + {"Internal Mic", NULL, "micbias1"}, + {"IN2P", NULL, "Internal Mic"}, + {"IN3P", NULL, "Headset Mic"}, +}; + +static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = { + {"Internal Mic", NULL, "micbias1"}, + {"IN1P", NULL, "Internal Mic"}, + {"IN2P", NULL, "Internal Mic"}, + {"IN3P", NULL, "Headset Mic"}, +}; + +static const struct snd_soc_dapm_route byt_rt5651_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_rt5651_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_rt5651_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_rt5651_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_kcontrol_new byt_rt5651_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), + SOC_DAPM_PIN_SWITCH("Internal Mic"), + SOC_DAPM_PIN_SWITCH("Speaker"), + SOC_DAPM_PIN_SWITCH("Line In"), +}; + +static struct snd_soc_jack_pin bytcr_jack_pins[] = { + { + .pin = "Headphone", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static int byt_rt5651_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); + snd_pcm_format_t format = params_format(params); + int rate = params_rate(params); + int bclk_ratio; + + if (format == SNDRV_PCM_FORMAT_S16_LE) + bclk_ratio = 32; + else + bclk_ratio = 50; + + return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio); +} + +static const struct acpi_gpio_params pov_p1006w_hp_detect = { 1, 0, false }; +static const struct acpi_gpio_params pov_p1006w_ext_amp_en = { 2, 0, true }; + +static const struct acpi_gpio_mapping byt_rt5651_pov_p1006w_gpios[] = { + { "hp-detect-gpios", &pov_p1006w_hp_detect, 1, }, + { "ext-amp-enable-gpios", &pov_p1006w_ext_amp_en, 1, }, + { }, +}; + +static int byt_rt5651_pov_p1006w_quirk_cb(const struct dmi_system_id *id) +{ + byt_rt5651_quirk = (unsigned long)id->driver_data; + byt_rt5651_gpios = byt_rt5651_pov_p1006w_gpios; + return 1; +} + +static int byt_rt5651_quirk_cb(const struct dmi_system_id *id) +{ + byt_rt5651_quirk = (unsigned long)id->driver_data; + return 1; +} + +static const struct dmi_system_id byt_rt5651_quirk_table[] = { + { + /* Chuwi Hi8 Pro (CWI513) */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), + DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP | + BYT_RT5651_HP_LR_SWAPPED | + BYT_RT5651_MONO_SPEAKER), + }, + { + /* Chuwi Vi8 Plus (CWI519) */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"), + DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP | + BYT_RT5651_HP_LR_SWAPPED | + BYT_RT5651_MONO_SPEAKER), + }, + { + /* Complet Electro Serv MY8307 */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Complet Electro Serv"), + DMI_MATCH(DMI_PRODUCT_NAME, "MY8307"), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP | + BYT_RT5651_MONO_SPEAKER | + BYT_RT5651_JD_NOT_INV), + }, + { + /* I.T.Works TW701, Ployer Momo7w and Trekstor ST70416-6 + * (these all use the same mainboard) */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."), + /* Partial match for all of itWORKS.G.WI71C.JGBMRBA, + * TREK.G.WI71C.JGBMRBA0x and MOMO.G.WI71C.MABMRBA02 */ + DMI_MATCH(DMI_BIOS_VERSION, ".G.WI71C."), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP | + BYT_RT5651_SSP0_AIF1 | + BYT_RT5651_MONO_SPEAKER), + }, + { + /* Jumper EZpad 7 */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Jumper"), + DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"), + /* Jumper12x.WJ2012.bsBKRCP05 with the version dropped */ + DMI_MATCH(DMI_BIOS_VERSION, "Jumper12x.WJ2012.bsBKRCP"), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP | + BYT_RT5651_JD_NOT_INV), + }, + { + /* KIANO SlimNote 14.2 */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "KIANO"), + DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN1_IN2_MAP), + }, + { + /* Minnowboard Max B3 */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"), + DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"), + }, + .driver_data = (void *)(BYT_RT5651_IN1_MAP), + }, + { + /* Minnowboard Turbot */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ADI"), + DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"), + }, + .driver_data = (void *)(BYT_RT5651_MCLK_EN | + BYT_RT5651_IN1_MAP), + }, + { + /* Point of View mobii wintab p1006w (v1.0) */ + .callback = byt_rt5651_pov_p1006w_quirk_cb, + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"), + /* Note 105b is Foxcon's USB/PCI vendor id */ + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), + }, + .driver_data = (void *)(BYT_RT5651_DMIC_MAP | + BYT_RT5651_OVCD_TH_2000UA | + BYT_RT5651_OVCD_SF_0P75 | + BYT_RT5651_DMIC_EN | + BYT_RT5651_MCLK_EN | + BYT_RT5651_SSP0_AIF1), + }, + { + /* VIOS LTH17 */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "VIOS"), + DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"), + }, + .driver_data = (void *)(BYT_RT5651_IN1_IN2_MAP | + BYT_RT5651_JD1_1 | + BYT_RT5651_OVCD_TH_2000UA | + BYT_RT5651_OVCD_SF_1P0 | + BYT_RT5651_MCLK_EN), + }, + { + /* Yours Y8W81 (and others using the same mainboard) */ + .callback = byt_rt5651_quirk_cb, + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."), + /* Partial match for all devs with a W86C mainboard */ + DMI_MATCH(DMI_BIOS_VERSION, ".F.W86C."), + }, + .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS | + BYT_RT5651_IN2_MAP | + BYT_RT5651_SSP0_AIF1 | + BYT_RT5651_MONO_SPEAKER), + }, + {} +}; + +/* + * Note this MUST be called before snd_soc_register_card(), so that the props + * are in place before the codec component driver's probe function parses them. + */ +static int byt_rt5651_add_codec_device_props(struct device *i2c_dev, + struct byt_rt5651_private *priv) +{ + struct property_entry props[MAX_NO_PROPS] = {}; + struct fwnode_handle *fwnode; + int cnt = 0; + int ret; + + props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source", + BYT_RT5651_JDSRC(byt_rt5651_quirk)); + + props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp", + BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100); + + props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor", + BYT_RT5651_OVCD_SF(byt_rt5651_quirk)); + + if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN) + props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en"); + + if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV) + props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted"); + + fwnode = fwnode_create_software_node(props, NULL); + if (IS_ERR(fwnode)) { + /* put_device(i2c_dev) is handled in caller */ + return PTR_ERR(fwnode); + } + + ret = device_add_software_node(i2c_dev, to_software_node(fwnode)); + + fwnode_handle_put(fwnode); + + return ret; +} + +static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime) +{ + struct snd_soc_card *card = runtime->card; + struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component; + struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); + const struct snd_soc_dapm_route *custom_map; + int num_routes; + int report; + int ret; + + card->dapm.idle_bias_off = true; + + /* Start with RC clk for jack-detect (we disable MCLK below) */ + if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) + snd_soc_component_update_bits(codec, RT5651_GLB_CLK, + RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK); + + switch (BYT_RT5651_MAP(byt_rt5651_quirk)) { + case BYT_RT5651_IN1_MAP: + custom_map = byt_rt5651_intmic_in1_map; + num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map); + break; + case BYT_RT5651_IN2_MAP: + custom_map = byt_rt5651_intmic_in2_map; + num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map); + break; + case BYT_RT5651_IN1_IN2_MAP: + custom_map = byt_rt5651_intmic_in1_in2_map; + num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map); + break; + default: + custom_map = byt_rt5651_intmic_dmic_map; + num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map); + } + ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); + if (ret) + return ret; + + if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_rt5651_ssp2_aif2_map, + ARRAY_SIZE(byt_rt5651_ssp2_aif2_map)); + } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_rt5651_ssp0_aif1_map, + ARRAY_SIZE(byt_rt5651_ssp0_aif1_map)); + } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_rt5651_ssp0_aif2_map, + ARRAY_SIZE(byt_rt5651_ssp0_aif2_map)); + } else { + ret = snd_soc_dapm_add_routes(&card->dapm, + byt_rt5651_ssp2_aif1_map, + ARRAY_SIZE(byt_rt5651_ssp2_aif1_map)); + } + if (ret) + return ret; + + ret = snd_soc_add_card_controls(card, byt_rt5651_controls, + ARRAY_SIZE(byt_rt5651_controls)); + if (ret) { + dev_err(card->dev, "unable to add card controls\n"); + return ret; + } + + /* + * 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_rt5651_quirk & BYT_RT5651_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"); + + report = 0; + if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) + report = SND_JACK_HEADSET | SND_JACK_BTN_0; + else if (priv->hp_detect) + report = SND_JACK_HEADSET; + + if (report) { + ret = snd_soc_card_jack_new_pins(runtime->card, "Headset", + report, &priv->jack, + bytcr_jack_pins, + ARRAY_SIZE(bytcr_jack_pins)); + if (ret) { + dev_err(runtime->dev, "jack creation failed %d\n", ret); + return ret; + } + + if (report & SND_JACK_BTN_0) + snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, + KEY_PLAYPAUSE); + + ret = snd_soc_component_set_jack(codec, &priv->jack, + priv->hp_detect); + if (ret) + return ret; + } + + return 0; +} + +static int byt_rt5651_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, bits; + + /* The DSP will convert the FE rate to 48k, stereo */ + rate->min = rate->max = 48000; + channels->min = channels->max = 2; + + if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) || + (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) { + /* set SSP0 to 16-bit */ + params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); + bits = 16; + } else { + /* set SSP2 to 24-bit */ + params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); + bits = 24; + } + + /* + * Default mode for SSP configuration is TDM 4 slot, override config + * with explicit setting to I2S 2ch. 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_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits); + if (ret < 0) { + dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); + return ret; + } + + return 0; +} + +static const unsigned int rates_48000[] = { + 48000, +}; + +static const struct snd_pcm_hw_constraint_list constraints_48000 = { + .count = ARRAY_SIZE(rates_48000), + .list = rates_48000, +}; + +static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream) +{ + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &constraints_48000); +} + +static const struct snd_soc_ops byt_rt5651_aif1_ops = { + .startup = byt_rt5651_aif1_startup, +}; + +static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = { + .hw_params = byt_rt5651_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-10EC5651:00", "rt5651-aif1"))); + +SND_SOC_DAILINK_DEF(platform, + DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); + +static struct snd_soc_dai_link byt_rt5651_dais[] = { + [MERR_DPCM_AUDIO] = { + .name = "Audio Port", + .stream_name = "Audio", + .nonatomic = true, + .dynamic = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &byt_rt5651_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 = &byt_rt5651_aif1_ops, + SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), + }, + /* CODEC<->CODEC link */ + /* back ends */ + { + .name = "SSP2-Codec", + .id = 0, + .no_pcm = 1, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBC_CFC, + .be_hw_params_fixup = byt_rt5651_codec_fixup, + .dpcm_playback = 1, + .dpcm_capture = 1, + .init = byt_rt5651_init, + .ops = &byt_rt5651_be_ssp2_ops, + SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform), + }, +}; + +/* SoC card */ +static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN]; +#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) +static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */ +#endif +static char byt_rt5651_components[50]; /* = "cfg-spk:* cfg-mic:*" */ + +static int byt_rt5651_suspend(struct snd_soc_card *card) +{ + struct snd_soc_component *component; + + if (!BYT_RT5651_JDSRC(byt_rt5651_quirk)) + return 0; + + for_each_card_components(card, component) { + if (!strcmp(component->name, byt_rt5651_codec_name)) { + dev_dbg(component->dev, "disabling jack detect before suspend\n"); + snd_soc_component_set_jack(component, NULL, NULL); + break; + } + } + + return 0; +} + +static int byt_rt5651_resume(struct snd_soc_card *card) +{ + struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); + struct snd_soc_component *component; + + if (!BYT_RT5651_JDSRC(byt_rt5651_quirk)) + return 0; + + for_each_card_components(card, component) { + if (!strcmp(component->name, byt_rt5651_codec_name)) { + dev_dbg(component->dev, "re-enabling jack detect after resume\n"); + snd_soc_component_set_jack(component, &priv->jack, + priv->hp_detect); + break; + } + } + + return 0; +} + +/* use space before codec name to simplify card ID, and simplify driver name */ +#define SOF_CARD_NAME "bytcht rt5651" /* card name will be 'sof-bytcht rt5651' */ +#define SOF_DRIVER_NAME "SOF" + +#define CARD_NAME "bytcr-rt5651" +#define DRIVER_NAME NULL /* card name will be used for driver name */ + +static struct snd_soc_card byt_rt5651_card = { + .name = CARD_NAME, + .driver_name = DRIVER_NAME, + .owner = THIS_MODULE, + .dai_link = byt_rt5651_dais, + .num_links = ARRAY_SIZE(byt_rt5651_dais), + .dapm_widgets = byt_rt5651_widgets, + .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets), + .dapm_routes = byt_rt5651_audio_map, + .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map), + .fully_routed = true, + .suspend_pre = byt_rt5651_suspend, + .resume_post = byt_rt5651_resume, +}; + +static const struct acpi_gpio_params ext_amp_enable_gpios = { 0, 0, false }; + +static const struct acpi_gpio_mapping cht_rt5651_gpios[] = { + /* + * Some boards have I2cSerialBusV2, GpioIo, GpioInt as ACPI resources, + * other boards may have I2cSerialBusV2, GpioInt, GpioIo instead. + * We want the GpioIo one for the ext-amp-enable-gpio. + */ + { "ext-amp-enable-gpios", &ext_amp_enable_gpios, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO }, + { }, +}; + +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_rt5651_mc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + static const char * const mic_name[] = { "dmic", "in1", "in2", "in12" }; + struct snd_soc_acpi_mach *mach = dev_get_platdata(dev); + struct byt_rt5651_private *priv; + const char *platform_name; + struct acpi_device *adev; + struct device *codec_dev; + bool sof_parent; + bool is_bytcr = false; + int ret_val = 0; + int dai_index = 0; + int i; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + /* register the soc card */ + byt_rt5651_card.dev = dev; + snd_soc_card_set_drvdata(&byt_rt5651_card, priv); + + /* fix index of codec dai */ + for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) { + if (!strcmp(byt_rt5651_dais[i].codecs->name, + "i2c-10EC5651:00")) { + dai_index = i; + break; + } + } + + /* fixup codec name based on HID */ + adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); + if (adev) { + snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name), + "i2c-%s", acpi_dev_name(adev)); + byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name; + } else { + dev_err(dev, "Error cannot find '%s' dev\n", mach->id); + return -ENXIO; + } + + codec_dev = acpi_get_first_physical_node(adev); + acpi_dev_put(adev); + if (!codec_dev) + return -EPROBE_DEFER; + priv->codec_dev = get_device(codec_dev); + + /* + * 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(dev, "BIOS Routing: AIF1 connected\n"); + byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1; + } else if (chan_package.aif_value == 2) { + dev_info(dev, "BIOS Routing: AIF2 connected\n"); + byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2; + } else { + dev_info(dev, "BIOS Routing isn't valid, ignored\n"); + pkg_found = false; + } + } + + if (!pkg_found) { + /* no BIOS indications, assume SSP0-AIF2 connection */ + byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2; + } + } + + /* check quirks before creating card */ + dmi_check_system(byt_rt5651_quirk_table); + + if (quirk_override != -1) { + dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n", + byt_rt5651_quirk, quirk_override); + byt_rt5651_quirk = quirk_override; + } + + /* Must be called before register_card, also see declaration comment. */ + ret_val = byt_rt5651_add_codec_device_props(codec_dev, priv); + if (ret_val) + goto err_device; + + /* Cherry Trail devices use an external amplifier enable gpio */ + if (soc_intel_is_cht() && !byt_rt5651_gpios) + byt_rt5651_gpios = cht_rt5651_gpios; + + if (byt_rt5651_gpios) { + devm_acpi_dev_add_driver_gpios(codec_dev, byt_rt5651_gpios); + priv->ext_amp_gpio = devm_fwnode_gpiod_get(dev, codec_dev->fwnode, + "ext-amp-enable", + GPIOD_OUT_LOW, + "speaker-amp"); + if (IS_ERR(priv->ext_amp_gpio)) { + ret_val = PTR_ERR(priv->ext_amp_gpio); + switch (ret_val) { + case -ENOENT: + priv->ext_amp_gpio = NULL; + break; + default: + dev_err(dev, "Failed to get ext-amp-enable GPIO: %d\n", ret_val); + fallthrough; + case -EPROBE_DEFER: + goto err; + } + } + priv->hp_detect = devm_fwnode_gpiod_get(dev, codec_dev->fwnode, + "hp-detect", + GPIOD_IN, + "hp-detect"); + if (IS_ERR(priv->hp_detect)) { + ret_val = PTR_ERR(priv->hp_detect); + switch (ret_val) { + case -ENOENT: + priv->hp_detect = NULL; + break; + default: + dev_err(dev, "Failed to get hp-detect GPIO: %d\n", ret_val); + fallthrough; + case -EPROBE_DEFER: + goto err; + } + } + } + + log_quirks(dev); + + if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) || + (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) + byt_rt5651_dais[dai_index].codecs->dai_name = "rt5651-aif2"; + + if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) || + (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) + byt_rt5651_dais[dai_index].cpus->dai_name = "ssp0-port"; + + if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) { + priv->mclk = devm_clk_get_optional(dev, "pmc_plt_clk_3"); + if (IS_ERR(priv->mclk)) { + ret_val = dev_err_probe(dev, PTR_ERR(priv->mclk), + "Failed to get MCLK from pmc_plt_clk_3\n"); + goto err; + } + /* + * Fall back to bit clock usage when clock is not + * available likely due to missing dependencies. + */ + if (!priv->mclk) + byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN; + } + + snprintf(byt_rt5651_components, sizeof(byt_rt5651_components), + "cfg-spk:%s cfg-mic:%s%s", + (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ? "1" : "2", + mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], + (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ? + " cfg-hp:lrswap" : ""); + byt_rt5651_card.components = byt_rt5651_components; +#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) + snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name), + "bytcr-rt5651-%s-spk-%s-mic%s", + (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ? + "mono" : "stereo", + mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], + (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ? + "-hp-swapped" : ""); + byt_rt5651_card.long_name = byt_rt5651_long_name; +#endif + + /* override platform name, if required */ + platform_name = mach->mach_params.platform; + + ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5651_card, + platform_name); + if (ret_val) + goto err; + + sof_parent = snd_soc_acpi_sof_parent(dev); + + /* set card and driver name */ + if (sof_parent) { + byt_rt5651_card.name = SOF_CARD_NAME; + byt_rt5651_card.driver_name = SOF_DRIVER_NAME; + } else { + byt_rt5651_card.name = CARD_NAME; + byt_rt5651_card.driver_name = DRIVER_NAME; + } + + /* set pm ops */ + if (sof_parent) + dev->driver->pm = &snd_soc_pm_ops; + + ret_val = devm_snd_soc_register_card(dev, &byt_rt5651_card); + if (ret_val) { + dev_err(dev, "devm_snd_soc_register_card failed %d\n", ret_val); + goto err; + } + platform_set_drvdata(pdev, &byt_rt5651_card); + return ret_val; + +err: + device_remove_software_node(priv->codec_dev); +err_device: + put_device(priv->codec_dev); + return ret_val; +} + +static void snd_byt_rt5651_mc_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card); + + device_remove_software_node(priv->codec_dev); + put_device(priv->codec_dev); +} + +static struct platform_driver snd_byt_rt5651_mc_driver = { + .driver = { + .name = "bytcr_rt5651", + }, + .probe = snd_byt_rt5651_mc_probe, + .remove_new = snd_byt_rt5651_mc_remove, +}; + +module_platform_driver(snd_byt_rt5651_mc_driver); + +MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651"); +MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:bytcr_rt5651"); |