Google Git
Sign in
coral / linux-mtk / b853627c553a47ee3a8df40af87b0c2aa0d39db9 / . / sound / soc / intel / boards / bytcr_rt5651.c
blob: c6c8d20be1d2d22ac1b702d940ae399f245139d2 [file] [log] [blame]
/*
* bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform
* (derived from bytcr_rt5640.c)
*
* Copyright (C) 2015 Intel Corp
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* 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/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 <asm/cpu_device_id.h>
#include <asm/intel-family.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/rt5651.h"
#include "../atom/sst-atom-controls.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_DEFAULT_QUIRKS (BYT_RT5651_MCLK_EN | \
BYT_RT5651_JD1_1 | \
BYT_RT5651_OVCD_TH_2000UA | \
BYT_RT5651_OVCD_SF_0P75)
/* jack-detect-source + dmic-en + ovcd-th + -sf + terminating empty entry */
#define MAX_NO_PROPS 5
struct byt_rt5651_private {
struct clk *mclk;
struct gpio_desc *ext_amp_gpio;
struct snd_soc_jack jack;
};
/* 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 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");
}
#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)) {
if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
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)
if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
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 = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
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 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),
},
{
/* 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),
},
{
/* 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),
},
{
/* 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 property_entry props[MAX_NO_PROPS] = {};
int cnt = 0;
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");
return device_add_properties(i2c_dev, props);
}
static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
{
struct snd_soc_card *card = runtime->card;
struct snd_soc_component *codec = runtime->codec_dai->component;
struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
const struct snd_soc_dapm_route *custom_map;
int num_routes;
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;
}
snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
/*
* 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");
}
if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
ret = snd_soc_card_jack_new(runtime->card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&priv->jack, bytcr_jack_pins,
ARRAY_SIZE(bytcr_jack_pins));
if (ret) {
dev_err(runtime->dev, "jack creation failed %d\n", ret);
return ret;
}
snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
KEY_PLAYPAUSE);
ret = snd_soc_component_set_jack(codec, &priv->jack, NULL);
if (ret)
return ret;
}
return 0;
}
static const struct snd_soc_pcm_stream byt_rt5651_dai_params = {
.formats = SNDRV_PCM_FMTBIT_S24_LE,
.rate_min = 48000,
.rate_max = 48000,
.channels_min = 2,
.channels_max = 2,
};
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 covert 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(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, 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,
};
static struct snd_soc_dai_link byt_rt5651_dais[] = {
[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 = &byt_rt5651_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_rt5651_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 = "rt5651-aif1",
.codec_name = "i2c-10EC5651:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBS_CFS,
.be_hw_params_fixup = byt_rt5651_codec_fixup,
.ignore_suspend = 1,
.nonatomic = true,
.dpcm_playback = 1,
.dpcm_capture = 1,
.init = byt_rt5651_init,
.ops = &byt_rt5651_be_ssp2_ops,
},
};
/* SoC card */
static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
static char byt_rt5651_codec_aif_name[12]; /* = "rt5651-aif[1|2]" */
static char byt_rt5651_cpu_dai_name[10]; /* = "ssp[0|2]-port" */
static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */
static int byt_rt5651_suspend(struct snd_soc_card *card)
{
struct snd_soc_component *component;
if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
return 0;
list_for_each_entry(component, &card->component_dev_list, card_list) {
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;
list_for_each_entry(component, &card->component_dev_list, card_list) {
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, NULL);
break;
}
}
return 0;
}
static struct snd_soc_card byt_rt5651_card = {
.name = "bytcr-rt5651",
.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 x86_cpu_id baytrail_cpu_ids[] = {
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT }, /* Valleyview */
{}
};
static const struct x86_cpu_id cherrytrail_cpu_ids[] = {
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT }, /* Braswell */
{}
};
static const struct acpi_gpio_params first_gpio = { 0, 0, false };
static const struct acpi_gpio_params second_gpio = { 1, 0, false };
static const struct acpi_gpio_mapping byt_rt5651_amp_en_first[] = {
{ "ext-amp-enable-gpios", &first_gpio, 1 },
{ },
};
static const struct acpi_gpio_mapping byt_rt5651_amp_en_second[] = {
{ "ext-amp-enable-gpios", &second_gpio, 1 },
{ },
};
/*
* 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 and both count for the index in
* acpi_gpio_params index. So we have 2 different mappings and the code
* below figures out which one to use.
*/
struct byt_rt5651_acpi_resource_data {
int gpio_count;
int gpio_int_idx;
};
static int snd_byt_rt5651_acpi_resource(struct acpi_resource *ares, void *arg)
{
struct byt_rt5651_acpi_resource_data *data = arg;
if (ares->type != ACPI_RESOURCE_TYPE_GPIO)
return 0;
if (ares->data.gpio.connection_type == ACPI_RESOURCE_GPIO_TYPE_INT)
data->gpio_int_idx = data->gpio_count;
data->gpio_count++;
return 0;
}
static void snd_byt_rt5651_mc_add_amp_en_gpio_mapping(struct device *codec)
{
struct byt_rt5651_acpi_resource_data data = { 0, -1 };
LIST_HEAD(resources);
int ret;
ret = acpi_dev_get_resources(ACPI_COMPANION(codec), &resources,
snd_byt_rt5651_acpi_resource, &data);
if (ret < 0) {
dev_warn(codec, "Failed to get ACPI resources, not adding external amplifier GPIO mapping\n");
return;
}
/* All info we need is gathered during the walk */
acpi_dev_free_resource_list(&resources);
switch (data.gpio_int_idx) {
case 0:
devm_acpi_dev_add_driver_gpios(codec, byt_rt5651_amp_en_second);
break;
case 1:
devm_acpi_dev_add_driver_gpios(codec, byt_rt5651_amp_en_first);
break;
default:
dev_warn(codec, "Unknown GpioInt index %d, not adding external amplifier GPIO mapping\n",
data.gpio_int_idx);
}
}
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)
{
const char * const mic_name[] = { "dmic", "in1", "in2", "in12" };
struct byt_rt5651_private *priv;
struct snd_soc_acpi_mach *mach;
struct device *codec_dev;
const char *i2c_name = NULL;
const char *hp_swapped;
bool is_bytcr = false;
int ret_val = 0;
int dai_index = 0;
int i;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
/* register the soc card */
byt_rt5651_card.dev = &pdev->dev;
mach = byt_rt5651_card.dev->platform_data;
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].codec_name, "i2c-10EC5651:00")) {
dai_index = i;
break;
}
}
/* fixup codec name based on HID */
i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (!i2c_name) {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENODEV;
}
snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
"%s%s", "i2c-", i2c_name);
byt_rt5651_dais[dai_index].codec_name = byt_rt5651_codec_name;
codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
byt_rt5651_codec_name);
if (!codec_dev)
return -EPROBE_DEFER;
/*
* swap SSP0 if bytcr is detected
* (will be overridden if DMI quirk is detected)
*/
if (x86_match_cpu(baytrail_cpu_ids)) {
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");
byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
} else if (chan_package.aif_value == 2) {
dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
byt_rt5651_quirk |= BYT_RT5651_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 */
byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
}
}
/* check quirks before creating card */
dmi_check_system(byt_rt5651_quirk_table);
/* Must be called before register_card, also see declaration comment. */
ret_val = byt_rt5651_add_codec_device_props(codec_dev);
if (ret_val) {
put_device(codec_dev);
return ret_val;
}
/* Cherry Trail devices use an external amplifier enable gpio */
if (x86_match_cpu(cherrytrail_cpu_ids)) {
snd_byt_rt5651_mc_add_amp_en_gpio_mapping(codec_dev);
priv->ext_amp_gpio = devm_fwnode_get_index_gpiod_from_child(
&pdev->dev, "ext-amp-enable", 0,
codec_dev->fwnode,
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(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n",
ret_val);
/* fall through */
case -EPROBE_DEFER:
put_device(codec_dev);
return ret_val;
}
}
}
put_device(codec_dev);
log_quirks(&pdev->dev);
if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
(byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
/* fixup codec aif name */
snprintf(byt_rt5651_codec_aif_name,
sizeof(byt_rt5651_codec_aif_name),
"%s", "rt5651-aif2");
byt_rt5651_dais[dai_index].codec_dai_name =
byt_rt5651_codec_aif_name;
}
if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
(byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
/* fixup cpu dai name name */
snprintf(byt_rt5651_cpu_dai_name,
sizeof(byt_rt5651_cpu_dai_name),
"%s", "ssp0-port");
byt_rt5651_dais[dai_index].cpu_dai_name =
byt_rt5651_cpu_dai_name;
}
if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
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_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
}
}
if (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED)
hp_swapped = "-hp-swapped";
else
hp_swapped = "";
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)], hp_swapped);
byt_rt5651_card.long_name = byt_rt5651_long_name;
ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_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_rt5651_card);
return ret_val;
}
static struct platform_driver snd_byt_rt5651_mc_driver = {
.driver = {
.name = "bytcr_rt5651",
},
.probe = snd_byt_rt5651_mc_probe,
};
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");