v4.19.13 snapshot.
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
new file mode 100644
index 0000000..94675da
--- /dev/null
+++ b/sound/soc/codecs/twl6040.c
@@ -0,0 +1,1192 @@
+/*
+ * ALSA SoC TWL6040 codec driver
+ *
+ * Author: Misael Lopez Cruz <x0052729@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/mfd/twl6040.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "twl6040.h"
+
+enum twl6040_dai_id {
+ TWL6040_DAI_LEGACY = 0,
+ TWL6040_DAI_UL,
+ TWL6040_DAI_DL1,
+ TWL6040_DAI_DL2,
+ TWL6040_DAI_VIB,
+};
+
+#define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
+#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
+
+#define TWL6040_OUTHS_0dB 0x00
+#define TWL6040_OUTHS_M30dB 0x0F
+#define TWL6040_OUTHF_0dB 0x03
+#define TWL6040_OUTHF_M52dB 0x1D
+
+#define TWL6040_CACHEREGNUM (TWL6040_REG_STATUS + 1)
+
+struct twl6040_jack_data {
+ struct snd_soc_jack *jack;
+ struct delayed_work work;
+ int report;
+};
+
+/* codec private data */
+struct twl6040_data {
+ int plug_irq;
+ int codec_powered;
+ int pll;
+ int pll_power_mode;
+ int hs_power_mode;
+ int hs_power_mode_locked;
+ bool dl1_unmuted;
+ bool dl2_unmuted;
+ u8 dl12_cache[TWL6040_REG_HFRCTL - TWL6040_REG_HSLCTL + 1];
+ unsigned int clk_in;
+ unsigned int sysclk;
+ struct twl6040_jack_data hs_jack;
+ struct snd_soc_component *component;
+ struct mutex mutex;
+};
+
+/* set of rates for each pll: low-power and high-performance */
+static const unsigned int lp_rates[] = {
+ 8000,
+ 11250,
+ 16000,
+ 22500,
+ 32000,
+ 44100,
+ 48000,
+ 88200,
+ 96000,
+};
+
+static const unsigned int hp_rates[] = {
+ 8000,
+ 16000,
+ 32000,
+ 48000,
+ 96000,
+};
+
+static const struct snd_pcm_hw_constraint_list sysclk_constraints[] = {
+ { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, },
+ { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, },
+};
+
+#define to_twl6040(component) dev_get_drvdata((component)->dev->parent)
+
+static unsigned int twl6040_read(struct snd_soc_component *component, unsigned int reg)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ struct twl6040 *twl6040 = to_twl6040(component);
+ u8 value;
+
+ if (reg >= TWL6040_CACHEREGNUM)
+ return -EIO;
+
+ switch (reg) {
+ case TWL6040_REG_HSLCTL:
+ case TWL6040_REG_HSRCTL:
+ case TWL6040_REG_EARCTL:
+ case TWL6040_REG_HFLCTL:
+ case TWL6040_REG_HFRCTL:
+ value = priv->dl12_cache[reg - TWL6040_REG_HSLCTL];
+ break;
+ default:
+ value = twl6040_reg_read(twl6040, reg);
+ break;
+ }
+
+ return value;
+}
+
+static bool twl6040_can_write_to_chip(struct snd_soc_component *component,
+ unsigned int reg)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ switch (reg) {
+ case TWL6040_REG_HSLCTL:
+ case TWL6040_REG_HSRCTL:
+ case TWL6040_REG_EARCTL:
+ /* DL1 path */
+ return priv->dl1_unmuted;
+ case TWL6040_REG_HFLCTL:
+ case TWL6040_REG_HFRCTL:
+ return priv->dl2_unmuted;
+ default:
+ return true;
+ }
+}
+
+static inline void twl6040_update_dl12_cache(struct snd_soc_component *component,
+ u8 reg, u8 value)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ switch (reg) {
+ case TWL6040_REG_HSLCTL:
+ case TWL6040_REG_HSRCTL:
+ case TWL6040_REG_EARCTL:
+ case TWL6040_REG_HFLCTL:
+ case TWL6040_REG_HFRCTL:
+ priv->dl12_cache[reg - TWL6040_REG_HSLCTL] = value;
+ break;
+ default:
+ break;
+ }
+}
+
+static int twl6040_write(struct snd_soc_component *component,
+ unsigned int reg, unsigned int value)
+{
+ struct twl6040 *twl6040 = to_twl6040(component);
+
+ if (reg >= TWL6040_CACHEREGNUM)
+ return -EIO;
+
+ twl6040_update_dl12_cache(component, reg, value);
+ if (twl6040_can_write_to_chip(component, reg))
+ return twl6040_reg_write(twl6040, reg, value);
+ else
+ return 0;
+}
+
+static void twl6040_init_chip(struct snd_soc_component *component)
+{
+ twl6040_read(component, TWL6040_REG_TRIM1);
+ twl6040_read(component, TWL6040_REG_TRIM2);
+ twl6040_read(component, TWL6040_REG_TRIM3);
+ twl6040_read(component, TWL6040_REG_HSOTRIM);
+ twl6040_read(component, TWL6040_REG_HFOTRIM);
+
+ /* Change chip defaults */
+ /* No imput selected for microphone amplifiers */
+ twl6040_write(component, TWL6040_REG_MICLCTL, 0x18);
+ twl6040_write(component, TWL6040_REG_MICRCTL, 0x18);
+
+ /*
+ * We need to lower the default gain values, so the ramp code
+ * can work correctly for the first playback.
+ * This reduces the pop noise heard at the first playback.
+ */
+ twl6040_write(component, TWL6040_REG_HSGAIN, 0xff);
+ twl6040_write(component, TWL6040_REG_EARCTL, 0x1e);
+ twl6040_write(component, TWL6040_REG_HFLGAIN, 0x1d);
+ twl6040_write(component, TWL6040_REG_HFRGAIN, 0x1d);
+ twl6040_write(component, TWL6040_REG_LINEGAIN, 0);
+}
+
+/* set headset dac and driver power mode */
+static int headset_power_mode(struct snd_soc_component *component, int high_perf)
+{
+ int hslctl, hsrctl;
+ int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE;
+
+ hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
+ hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
+
+ if (high_perf) {
+ hslctl &= ~mask;
+ hsrctl &= ~mask;
+ } else {
+ hslctl |= mask;
+ hsrctl |= mask;
+ }
+
+ twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
+ twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
+
+ return 0;
+}
+
+static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ u8 hslctl, hsrctl;
+
+ /*
+ * Workaround for Headset DC offset caused pop noise:
+ * Both HS DAC need to be turned on (before the HS driver) and off at
+ * the same time.
+ */
+ hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
+ hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ hslctl |= TWL6040_HSDACENA;
+ hsrctl |= TWL6040_HSDACENA;
+ } else {
+ hslctl &= ~TWL6040_HSDACENA;
+ hsrctl &= ~TWL6040_HSDACENA;
+ }
+ twl6040_write(component, TWL6040_REG_HSLCTL, hslctl);
+ twl6040_write(component, TWL6040_REG_HSRCTL, hsrctl);
+
+ msleep(1);
+ return 0;
+}
+
+static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ /* Earphone doesn't support low power mode */
+ priv->hs_power_mode_locked = 1;
+ ret = headset_power_mode(component, 1);
+ } else {
+ priv->hs_power_mode_locked = 0;
+ ret = headset_power_mode(component, priv->hs_power_mode);
+ }
+
+ msleep(1);
+
+ return ret;
+}
+
+static void twl6040_hs_jack_report(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, int report)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int status;
+
+ mutex_lock(&priv->mutex);
+
+ /* Sync status */
+ status = twl6040_read(component, TWL6040_REG_STATUS);
+ if (status & TWL6040_PLUGCOMP)
+ snd_soc_jack_report(jack, report, report);
+ else
+ snd_soc_jack_report(jack, 0, report);
+
+ mutex_unlock(&priv->mutex);
+}
+
+void twl6040_hs_jack_detect(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, int report)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ struct twl6040_jack_data *hs_jack = &priv->hs_jack;
+
+ hs_jack->jack = jack;
+ hs_jack->report = report;
+
+ twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
+}
+EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
+
+static void twl6040_accessory_work(struct work_struct *work)
+{
+ struct twl6040_data *priv = container_of(work,
+ struct twl6040_data, hs_jack.work.work);
+ struct snd_soc_component *component = priv->component;
+ struct twl6040_jack_data *hs_jack = &priv->hs_jack;
+
+ twl6040_hs_jack_report(component, hs_jack->jack, hs_jack->report);
+}
+
+/* audio interrupt handler */
+static irqreturn_t twl6040_audio_handler(int irq, void *data)
+{
+ struct snd_soc_component *component = data;
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ queue_delayed_work(system_power_efficient_wq,
+ &priv->hs_jack.work, msecs_to_jiffies(200));
+
+ return IRQ_HANDLED;
+}
+
+static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int val;
+
+ /* Do not allow changes while Input/FF efect is running */
+ val = twl6040_read(component, e->reg);
+ if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL))
+ return -EBUSY;
+
+ return snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
+}
+
+/*
+ * MICATT volume control:
+ * from -6 to 0 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
+
+/*
+ * MICGAIN volume control:
+ * from 6 to 30 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
+
+/*
+ * AFMGAIN volume control:
+ * from -18 to 24 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0);
+
+/*
+ * HSGAIN volume control:
+ * from -30 to 0 dB in 2 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0);
+
+/*
+ * HFGAIN volume control:
+ * from -52 to 6 dB in 2 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0);
+
+/*
+ * EPGAIN volume control:
+ * from -24 to 6 dB in 2 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0);
+
+/* Left analog microphone selection */
+static const char *twl6040_amicl_texts[] =
+ {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"};
+
+/* Right analog microphone selection */
+static const char *twl6040_amicr_texts[] =
+ {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
+
+static const struct soc_enum twl6040_enum[] = {
+ SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3,
+ ARRAY_SIZE(twl6040_amicl_texts), twl6040_amicl_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3,
+ ARRAY_SIZE(twl6040_amicr_texts), twl6040_amicr_texts),
+};
+
+static const char *twl6040_hs_texts[] = {
+ "Off", "HS DAC", "Line-In amp"
+};
+
+static const struct soc_enum twl6040_hs_enum[] = {
+ SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
+ twl6040_hs_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
+ twl6040_hs_texts),
+};
+
+static const char *twl6040_hf_texts[] = {
+ "Off", "HF DAC", "Line-In amp"
+};
+
+static const struct soc_enum twl6040_hf_enum[] = {
+ SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
+ twl6040_hf_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
+ twl6040_hf_texts),
+};
+
+static const char *twl6040_vibrapath_texts[] = {
+ "Input FF", "Audio PDM"
+};
+
+static const struct soc_enum twl6040_vibra_enum[] = {
+ SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1,
+ ARRAY_SIZE(twl6040_vibrapath_texts),
+ twl6040_vibrapath_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1,
+ ARRAY_SIZE(twl6040_vibrapath_texts),
+ twl6040_vibrapath_texts),
+};
+
+static const struct snd_kcontrol_new amicl_control =
+ SOC_DAPM_ENUM("Route", twl6040_enum[0]);
+
+static const struct snd_kcontrol_new amicr_control =
+ SOC_DAPM_ENUM("Route", twl6040_enum[1]);
+
+/* Headset DAC playback switches */
+static const struct snd_kcontrol_new hsl_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
+
+static const struct snd_kcontrol_new hsr_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
+
+/* Handsfree DAC playback switches */
+static const struct snd_kcontrol_new hfl_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
+
+static const struct snd_kcontrol_new hfr_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
+
+static const struct snd_kcontrol_new ep_path_enable_control =
+ SOC_DAPM_SINGLE_VIRT("Switch", 1);
+
+static const struct snd_kcontrol_new auxl_switch_control =
+ SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0);
+
+static const struct snd_kcontrol_new auxr_switch_control =
+ SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0);
+
+/* Vibra playback switches */
+static const struct snd_kcontrol_new vibral_mux_controls =
+ SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0],
+ snd_soc_dapm_get_enum_double,
+ twl6040_soc_dapm_put_vibra_enum);
+
+static const struct snd_kcontrol_new vibrar_mux_controls =
+ SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1],
+ snd_soc_dapm_get_enum_double,
+ twl6040_soc_dapm_put_vibra_enum);
+
+/* Headset power mode */
+static const char *twl6040_power_mode_texts[] = {
+ "Low-Power", "High-Performance",
+};
+
+static SOC_ENUM_SINGLE_EXT_DECL(twl6040_power_mode_enum,
+ twl6040_power_mode_texts);
+
+static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.enumerated.item[0] = priv->hs_power_mode;
+
+ return 0;
+}
+
+static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int high_perf = ucontrol->value.enumerated.item[0];
+ int ret = 0;
+
+ if (!priv->hs_power_mode_locked)
+ ret = headset_power_mode(component, high_perf);
+
+ if (!ret)
+ priv->hs_power_mode = high_perf;
+
+ return ret;
+}
+
+static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.enumerated.item[0] = priv->pll_power_mode;
+
+ return 0;
+}
+
+static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ priv->pll_power_mode = ucontrol->value.enumerated.item[0];
+
+ return 0;
+}
+
+int twl6040_get_dl1_gain(struct snd_soc_component *component)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+
+ if (snd_soc_dapm_get_pin_status(dapm, "EP"))
+ return -1; /* -1dB */
+
+ if (snd_soc_dapm_get_pin_status(dapm, "HSOR") ||
+ snd_soc_dapm_get_pin_status(dapm, "HSOL")) {
+
+ u8 val = twl6040_read(component, TWL6040_REG_HSLCTL);
+ if (val & TWL6040_HSDACMODE)
+ /* HSDACL in LP mode */
+ return -8; /* -8dB */
+ else
+ /* HSDACL in HP mode */
+ return -1; /* -1dB */
+ }
+ return 0; /* 0dB */
+}
+EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain);
+
+int twl6040_get_clk_id(struct snd_soc_component *component)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ return priv->pll_power_mode;
+}
+EXPORT_SYMBOL_GPL(twl6040_get_clk_id);
+
+int twl6040_get_trim_value(struct snd_soc_component *component, enum twl6040_trim trim)
+{
+ if (unlikely(trim >= TWL6040_TRIM_INVAL))
+ return -EINVAL;
+
+ return twl6040_read(component, TWL6040_REG_TRIM1 + trim);
+}
+EXPORT_SYMBOL_GPL(twl6040_get_trim_value);
+
+int twl6040_get_hs_step_size(struct snd_soc_component *component)
+{
+ struct twl6040 *twl6040 = to_twl6040(component);
+
+ if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3)
+ /* For ES under ES_1.3 HS step is 2 mV */
+ return 2;
+ else
+ /* For ES_1.3 HS step is 1 mV */
+ return 1;
+}
+EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size);
+
+static const struct snd_kcontrol_new twl6040_snd_controls[] = {
+ /* Capture gains */
+ SOC_DOUBLE_TLV("Capture Preamplifier Volume",
+ TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv),
+ SOC_DOUBLE_TLV("Capture Volume",
+ TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
+
+ /* AFM gains */
+ SOC_DOUBLE_TLV("Aux FM Volume",
+ TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv),
+
+ /* Playback gains */
+ SOC_DOUBLE_TLV("Headset Playback Volume",
+ TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
+ SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
+ TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
+ SOC_SINGLE_TLV("Earphone Playback Volume",
+ TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
+
+ SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum,
+ twl6040_headset_power_get_enum,
+ twl6040_headset_power_put_enum),
+
+ /* Left HS PDM data routed to Right HSDAC */
+ SOC_SINGLE("Headset Mono to Stereo Playback Switch",
+ TWL6040_REG_HSRCTL, 7, 1, 0),
+
+ /* Left HF PDM data routed to Right HFDAC */
+ SOC_SINGLE("Handsfree Mono to Stereo Playback Switch",
+ TWL6040_REG_HFRCTL, 5, 1, 0),
+
+ SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum,
+ twl6040_pll_get_enum, twl6040_pll_put_enum),
+};
+
+static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
+ /* Inputs */
+ SND_SOC_DAPM_INPUT("MAINMIC"),
+ SND_SOC_DAPM_INPUT("HSMIC"),
+ SND_SOC_DAPM_INPUT("SUBMIC"),
+ SND_SOC_DAPM_INPUT("AFML"),
+ SND_SOC_DAPM_INPUT("AFMR"),
+
+ /* Outputs */
+ SND_SOC_DAPM_OUTPUT("HSOL"),
+ SND_SOC_DAPM_OUTPUT("HSOR"),
+ SND_SOC_DAPM_OUTPUT("HFL"),
+ SND_SOC_DAPM_OUTPUT("HFR"),
+ SND_SOC_DAPM_OUTPUT("EP"),
+ SND_SOC_DAPM_OUTPUT("AUXL"),
+ SND_SOC_DAPM_OUTPUT("AUXR"),
+ SND_SOC_DAPM_OUTPUT("VIBRAL"),
+ SND_SOC_DAPM_OUTPUT("VIBRAR"),
+
+ /* Analog input muxes for the capture amplifiers */
+ SND_SOC_DAPM_MUX("Analog Left Capture Route",
+ SND_SOC_NOPM, 0, 0, &amicl_control),
+ SND_SOC_DAPM_MUX("Analog Right Capture Route",
+ SND_SOC_NOPM, 0, 0, &amicr_control),
+
+ /* Analog capture PGAs */
+ SND_SOC_DAPM_PGA("MicAmpL",
+ TWL6040_REG_MICLCTL, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("MicAmpR",
+ TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
+
+ /* Auxiliary FM PGAs */
+ SND_SOC_DAPM_PGA("AFMAmpL",
+ TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("AFMAmpR",
+ TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
+
+ /* ADCs */
+ SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0),
+ SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0),
+
+ /* Microphone bias */
+ SND_SOC_DAPM_SUPPLY("Headset Mic Bias",
+ TWL6040_REG_AMICBCTL, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Main Mic Bias",
+ TWL6040_REG_AMICBCTL, 4, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias",
+ TWL6040_REG_DMICBCTL, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias",
+ TWL6040_REG_DMICBCTL, 4, 0, NULL, 0),
+
+ /* DACs */
+ SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0),
+ SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0),
+ /* Virtual DAC for vibra path (DL4 channel) */
+ SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0),
+
+ SND_SOC_DAPM_MUX("Handsfree Left Playback",
+ SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
+ SND_SOC_DAPM_MUX("Handsfree Right Playback",
+ SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
+ /* Analog playback Muxes */
+ SND_SOC_DAPM_MUX("Headset Left Playback",
+ SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
+ SND_SOC_DAPM_MUX("Headset Right Playback",
+ SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
+
+ SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0,
+ &vibral_mux_controls),
+ SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0,
+ &vibrar_mux_controls),
+
+ SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0,
+ &ep_path_enable_control),
+ SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0,
+ &auxl_switch_control),
+ SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0,
+ &auxr_switch_control),
+
+ /* Analog playback drivers */
+ SND_SOC_DAPM_OUT_DRV("HF Left Driver",
+ TWL6040_REG_HFLCTL, 4, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("HF Right Driver",
+ TWL6040_REG_HFRCTL, 4, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("HS Left Driver",
+ TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("HS Right Driver",
+ TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV_E("Earphone Driver",
+ TWL6040_REG_EARCTL, 0, 0, NULL, 0,
+ twl6040_ep_drv_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_OUT_DRV("Vibra Left Driver",
+ TWL6040_REG_VIBCTLL, 0, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("Vibra Right Driver",
+ TWL6040_REG_VIBCTLR, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0,
+ twl6040_hs_dac_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* Analog playback PGAs */
+ SND_SOC_DAPM_PGA("HF Left PGA",
+ TWL6040_REG_HFLCTL, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HF Right PGA",
+ TWL6040_REG_HFRCTL, 1, 0, NULL, 0),
+
+};
+
+static const struct snd_soc_dapm_route intercon[] = {
+ /* Stream -> DAC mapping */
+ {"HSDAC Left", NULL, "Legacy Playback"},
+ {"HSDAC Left", NULL, "Headset Playback"},
+ {"HSDAC Right", NULL, "Legacy Playback"},
+ {"HSDAC Right", NULL, "Headset Playback"},
+
+ {"HFDAC Left", NULL, "Legacy Playback"},
+ {"HFDAC Left", NULL, "Handsfree Playback"},
+ {"HFDAC Right", NULL, "Legacy Playback"},
+ {"HFDAC Right", NULL, "Handsfree Playback"},
+
+ {"VIBRA DAC", NULL, "Legacy Playback"},
+ {"VIBRA DAC", NULL, "Vibra Playback"},
+
+ /* ADC -> Stream mapping */
+ {"Legacy Capture" , NULL, "ADC Left"},
+ {"Capture", NULL, "ADC Left"},
+ {"Legacy Capture", NULL, "ADC Right"},
+ {"Capture" , NULL, "ADC Right"},
+
+ /* Capture path */
+ {"Analog Left Capture Route", "Headset Mic", "HSMIC"},
+ {"Analog Left Capture Route", "Main Mic", "MAINMIC"},
+ {"Analog Left Capture Route", "Aux/FM Left", "AFML"},
+
+ {"Analog Right Capture Route", "Headset Mic", "HSMIC"},
+ {"Analog Right Capture Route", "Sub Mic", "SUBMIC"},
+ {"Analog Right Capture Route", "Aux/FM Right", "AFMR"},
+
+ {"MicAmpL", NULL, "Analog Left Capture Route"},
+ {"MicAmpR", NULL, "Analog Right Capture Route"},
+
+ {"ADC Left", NULL, "MicAmpL"},
+ {"ADC Right", NULL, "MicAmpR"},
+
+ /* AFM path */
+ {"AFMAmpL", NULL, "AFML"},
+ {"AFMAmpR", NULL, "AFMR"},
+
+ {"HSDAC Left", NULL, "HSDAC Power"},
+ {"HSDAC Right", NULL, "HSDAC Power"},
+
+ {"Headset Left Playback", "HS DAC", "HSDAC Left"},
+ {"Headset Left Playback", "Line-In amp", "AFMAmpL"},
+
+ {"Headset Right Playback", "HS DAC", "HSDAC Right"},
+ {"Headset Right Playback", "Line-In amp", "AFMAmpR"},
+
+ {"HS Left Driver", NULL, "Headset Left Playback"},
+ {"HS Right Driver", NULL, "Headset Right Playback"},
+
+ {"HSOL", NULL, "HS Left Driver"},
+ {"HSOR", NULL, "HS Right Driver"},
+
+ /* Earphone playback path */
+ {"Earphone Playback", "Switch", "HSDAC Left"},
+ {"Earphone Driver", NULL, "Earphone Playback"},
+ {"EP", NULL, "Earphone Driver"},
+
+ {"Handsfree Left Playback", "HF DAC", "HFDAC Left"},
+ {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"},
+
+ {"Handsfree Right Playback", "HF DAC", "HFDAC Right"},
+ {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"},
+
+ {"HF Left PGA", NULL, "Handsfree Left Playback"},
+ {"HF Right PGA", NULL, "Handsfree Right Playback"},
+
+ {"HF Left Driver", NULL, "HF Left PGA"},
+ {"HF Right Driver", NULL, "HF Right PGA"},
+
+ {"HFL", NULL, "HF Left Driver"},
+ {"HFR", NULL, "HF Right Driver"},
+
+ {"AUXL Playback", "Switch", "HF Left PGA"},
+ {"AUXR Playback", "Switch", "HF Right PGA"},
+
+ {"AUXL", NULL, "AUXL Playback"},
+ {"AUXR", NULL, "AUXR Playback"},
+
+ /* Vibrator paths */
+ {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"},
+ {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"},
+
+ {"Vibra Left Driver", NULL, "Vibra Left Playback"},
+ {"Vibra Right Driver", NULL, "Vibra Right Playback"},
+ {"Vibra Left Driver", NULL, "Vibra Left Control"},
+ {"Vibra Right Driver", NULL, "Vibra Right Control"},
+
+ {"VIBRAL", NULL, "Vibra Left Driver"},
+ {"VIBRAR", NULL, "Vibra Right Driver"},
+};
+
+static int twl6040_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ struct twl6040 *twl6040 = to_twl6040(component);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (priv->codec_powered) {
+ /* Select low power PLL in standby */
+ ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
+ 32768, 19200000);
+ break;
+ }
+
+ ret = twl6040_power(twl6040, 1);
+ if (ret)
+ break;
+
+ priv->codec_powered = 1;
+
+ /* Set external boost GPO */
+ twl6040_write(component, TWL6040_REG_GPOCTL, 0x02);
+ break;
+ case SND_SOC_BIAS_OFF:
+ if (!priv->codec_powered)
+ break;
+
+ twl6040_power(twl6040, 0);
+ priv->codec_powered = 0;
+ break;
+ }
+
+ return ret;
+}
+
+static int twl6040_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &sysclk_constraints[priv->pll_power_mode]);
+
+ return 0;
+}
+
+static int twl6040_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int rate;
+
+ rate = params_rate(params);
+ switch (rate) {
+ case 11250:
+ case 22500:
+ case 44100:
+ case 88200:
+ /* These rates are not supported when HPPLL is in use */
+ if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) {
+ dev_err(component->dev, "HPPLL does not support rate %d\n",
+ rate);
+ return -EINVAL;
+ }
+ priv->sysclk = 17640000;
+ break;
+ case 8000:
+ case 16000:
+ case 32000:
+ case 48000:
+ case 96000:
+ priv->sysclk = 19200000;
+ break;
+ default:
+ dev_err(component->dev, "unsupported rate %d\n", rate);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int twl6040_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct twl6040 *twl6040 = to_twl6040(component);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ if (!priv->sysclk) {
+ dev_err(component->dev,
+ "no mclk configured, call set_sysclk() on init\n");
+ return -EINVAL;
+ }
+
+ ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk);
+ if (ret) {
+ dev_err(component->dev, "Can not set PLL (%d)\n", ret);
+ return -EPERM;
+ }
+
+ return 0;
+}
+
+static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_component *component = codec_dai->component;
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ switch (clk_id) {
+ case TWL6040_SYSCLK_SEL_LPPLL:
+ case TWL6040_SYSCLK_SEL_HPPLL:
+ priv->pll = clk_id;
+ priv->clk_in = freq;
+ break;
+ default:
+ dev_err(component->dev, "unknown clk_id %d\n", clk_id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void twl6040_mute_path(struct snd_soc_component *component, enum twl6040_dai_id id,
+ int mute)
+{
+ struct twl6040 *twl6040 = to_twl6040(component);
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+ int hslctl, hsrctl, earctl;
+ int hflctl, hfrctl;
+
+ switch (id) {
+ case TWL6040_DAI_DL1:
+ hslctl = twl6040_read(component, TWL6040_REG_HSLCTL);
+ hsrctl = twl6040_read(component, TWL6040_REG_HSRCTL);
+ earctl = twl6040_read(component, TWL6040_REG_EARCTL);
+
+ if (mute) {
+ /* Power down drivers and DACs */
+ earctl &= ~0x01;
+ hslctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
+ hsrctl &= ~(TWL6040_HSDRVENA | TWL6040_HSDACENA);
+
+ }
+
+ twl6040_reg_write(twl6040, TWL6040_REG_EARCTL, earctl);
+ twl6040_reg_write(twl6040, TWL6040_REG_HSLCTL, hslctl);
+ twl6040_reg_write(twl6040, TWL6040_REG_HSRCTL, hsrctl);
+ priv->dl1_unmuted = !mute;
+ break;
+ case TWL6040_DAI_DL2:
+ hflctl = twl6040_read(component, TWL6040_REG_HFLCTL);
+ hfrctl = twl6040_read(component, TWL6040_REG_HFRCTL);
+
+ if (mute) {
+ /* Power down drivers and DACs */
+ hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
+ TWL6040_HFDRVENA | TWL6040_HFSWENA);
+ hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
+ TWL6040_HFDRVENA | TWL6040_HFSWENA);
+ }
+
+ twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);
+ twl6040_reg_write(twl6040, TWL6040_REG_HFRCTL, hfrctl);
+ priv->dl2_unmuted = !mute;
+ break;
+ default:
+ break;
+ }
+}
+
+static int twl6040_digital_mute(struct snd_soc_dai *dai, int mute)
+{
+ switch (dai->id) {
+ case TWL6040_DAI_LEGACY:
+ twl6040_mute_path(dai->component, TWL6040_DAI_DL1, mute);
+ twl6040_mute_path(dai->component, TWL6040_DAI_DL2, mute);
+ break;
+ case TWL6040_DAI_DL1:
+ case TWL6040_DAI_DL2:
+ twl6040_mute_path(dai->component, dai->id, mute);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops twl6040_dai_ops = {
+ .startup = twl6040_startup,
+ .hw_params = twl6040_hw_params,
+ .prepare = twl6040_prepare,
+ .set_sysclk = twl6040_set_dai_sysclk,
+ .digital_mute = twl6040_digital_mute,
+};
+
+static struct snd_soc_dai_driver twl6040_dai[] = {
+{
+ .name = "twl6040-legacy",
+ .id = TWL6040_DAI_LEGACY,
+ .playback = {
+ .stream_name = "Legacy Playback",
+ .channels_min = 1,
+ .channels_max = 5,
+ .rates = TWL6040_RATES,
+ .formats = TWL6040_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Legacy Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = TWL6040_RATES,
+ .formats = TWL6040_FORMATS,
+ },
+ .ops = &twl6040_dai_ops,
+},
+{
+ .name = "twl6040-ul",
+ .id = TWL6040_DAI_UL,
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = TWL6040_RATES,
+ .formats = TWL6040_FORMATS,
+ },
+ .ops = &twl6040_dai_ops,
+},
+{
+ .name = "twl6040-dl1",
+ .id = TWL6040_DAI_DL1,
+ .playback = {
+ .stream_name = "Headset Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = TWL6040_RATES,
+ .formats = TWL6040_FORMATS,
+ },
+ .ops = &twl6040_dai_ops,
+},
+{
+ .name = "twl6040-dl2",
+ .id = TWL6040_DAI_DL2,
+ .playback = {
+ .stream_name = "Handsfree Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = TWL6040_RATES,
+ .formats = TWL6040_FORMATS,
+ },
+ .ops = &twl6040_dai_ops,
+},
+{
+ .name = "twl6040-vib",
+ .id = TWL6040_DAI_VIB,
+ .playback = {
+ .stream_name = "Vibra Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .formats = TWL6040_FORMATS,
+ },
+ .ops = &twl6040_dai_ops,
+},
+};
+
+static int twl6040_probe(struct snd_soc_component *component)
+{
+ struct twl6040_data *priv;
+ struct platform_device *pdev = to_platform_device(component->dev);
+ int ret = 0;
+
+ priv = devm_kzalloc(component->dev, sizeof(*priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
+ snd_soc_component_set_drvdata(component, priv);
+
+ priv->component = component;
+
+ priv->plug_irq = platform_get_irq(pdev, 0);
+ if (priv->plug_irq < 0) {
+ dev_err(component->dev, "invalid irq: %d\n", priv->plug_irq);
+ return priv->plug_irq;
+ }
+
+ INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work);
+
+ mutex_init(&priv->mutex);
+
+ ret = request_threaded_irq(priv->plug_irq, NULL,
+ twl6040_audio_handler,
+ IRQF_NO_SUSPEND | IRQF_ONESHOT,
+ "twl6040_irq_plug", component);
+ if (ret) {
+ dev_err(component->dev, "PLUG IRQ request failed: %d\n", ret);
+ return ret;
+ }
+
+ snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
+ twl6040_init_chip(component);
+
+ return 0;
+}
+
+static void twl6040_remove(struct snd_soc_component *component)
+{
+ struct twl6040_data *priv = snd_soc_component_get_drvdata(component);
+
+ free_irq(priv->plug_irq, component);
+}
+
+static const struct snd_soc_component_driver soc_component_dev_twl6040 = {
+ .probe = twl6040_probe,
+ .remove = twl6040_remove,
+ .read = twl6040_read,
+ .write = twl6040_write,
+ .set_bias_level = twl6040_set_bias_level,
+ .controls = twl6040_snd_controls,
+ .num_controls = ARRAY_SIZE(twl6040_snd_controls),
+ .dapm_widgets = twl6040_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets),
+ .dapm_routes = intercon,
+ .num_dapm_routes = ARRAY_SIZE(intercon),
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static int twl6040_codec_probe(struct platform_device *pdev)
+{
+ return devm_snd_soc_register_component(&pdev->dev,
+ &soc_component_dev_twl6040,
+ twl6040_dai, ARRAY_SIZE(twl6040_dai));
+}
+
+static struct platform_driver twl6040_codec_driver = {
+ .driver = {
+ .name = "twl6040-codec",
+ },
+ .probe = twl6040_codec_probe,
+};
+
+module_platform_driver(twl6040_codec_driver);
+
+MODULE_DESCRIPTION("ASoC TWL6040 codec driver");
+MODULE_AUTHOR("Misael Lopez Cruz");
+MODULE_LICENSE("GPL");