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-rw-r--r--sound/soc/codecs/rt700.c1258
1 files changed, 1258 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt700.c b/sound/soc/codecs/rt700.c
new file mode 100644
index 000000000..055c3ae97
--- /dev/null
+++ b/sound/soc/codecs/rt700.c
@@ -0,0 +1,1258 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// rt700.c -- rt700 ALSA SoC audio driver
+//
+// Copyright(c) 2019 Realtek Semiconductor Corp.
+//
+//
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/regmap.h>
+#include <linux/slab.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 <sound/hda_verbs.h>
+#include <sound/jack.h>
+
+#include "rt700.h"
+
+static int rt700_index_write(struct regmap *regmap,
+ unsigned int reg, unsigned int value)
+{
+ int ret;
+ unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
+
+ ret = regmap_write(regmap, addr, value);
+ if (ret < 0)
+ pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
+ addr, value, ret);
+
+ return ret;
+}
+
+static int rt700_index_read(struct regmap *regmap,
+ unsigned int reg, unsigned int *value)
+{
+ int ret;
+ unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
+
+ *value = 0;
+ ret = regmap_read(regmap, addr, value);
+ if (ret < 0)
+ pr_err("Failed to get private value: %06x => %04x ret=%d\n",
+ addr, *value, ret);
+
+ return ret;
+}
+
+static unsigned int rt700_button_detect(struct rt700_priv *rt700)
+{
+ unsigned int btn_type = 0, val80, val81;
+ int ret;
+
+ ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);
+ if (ret < 0)
+ goto read_error;
+ ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81);
+ if (ret < 0)
+ goto read_error;
+
+ val80 &= 0x0381;
+ val81 &= 0xff00;
+
+ switch (val80) {
+ case 0x0200:
+ case 0x0100:
+ case 0x0080:
+ btn_type |= SND_JACK_BTN_0;
+ break;
+ case 0x0001:
+ btn_type |= SND_JACK_BTN_3;
+ break;
+ }
+ switch (val81) {
+ case 0x8000:
+ case 0x4000:
+ case 0x2000:
+ btn_type |= SND_JACK_BTN_1;
+ break;
+ case 0x1000:
+ case 0x0800:
+ case 0x0400:
+ btn_type |= SND_JACK_BTN_2;
+ break;
+ case 0x0200:
+ case 0x0100:
+ btn_type |= SND_JACK_BTN_3;
+ break;
+ }
+read_error:
+ return btn_type;
+}
+
+static int rt700_headset_detect(struct rt700_priv *rt700)
+{
+ unsigned int buf, loop = 0;
+ int ret;
+ unsigned int jack_status = 0, reg;
+
+ ret = rt700_index_read(rt700->regmap,
+ RT700_COMBO_JACK_AUTO_CTL2, &buf);
+ if (ret < 0)
+ goto io_error;
+
+ while (loop < 500 &&
+ (buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {
+ loop++;
+
+ usleep_range(9000, 10000);
+ ret = rt700_index_read(rt700->regmap,
+ RT700_COMBO_JACK_AUTO_CTL2, &buf);
+ if (ret < 0)
+ goto io_error;
+
+ reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
+ ret = regmap_read(rt700->regmap, reg, &jack_status);
+ if ((jack_status & (1 << 31)) == 0)
+ goto remove_error;
+ }
+
+ if (loop >= 500)
+ goto to_error;
+
+ if (buf & RT700_COMBOJACK_AUTO_DET_TRS)
+ rt700->jack_type = SND_JACK_HEADPHONE;
+ else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||
+ (buf & RT700_COMBOJACK_AUTO_DET_OMTP))
+ rt700->jack_type = SND_JACK_HEADSET;
+
+ return 0;
+
+to_error:
+ ret = -ETIMEDOUT;
+ pr_err_ratelimited("Time-out error in %s\n", __func__);
+ return ret;
+io_error:
+ pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+ return ret;
+remove_error:
+ pr_err_ratelimited("Jack removal in %s\n", __func__);
+ return -ENODEV;
+}
+
+static void rt700_jack_detect_handler(struct work_struct *work)
+{
+ struct rt700_priv *rt700 =
+ container_of(work, struct rt700_priv, jack_detect_work.work);
+ int btn_type = 0, ret;
+ unsigned int jack_status = 0, reg;
+
+ if (!rt700->hs_jack)
+ return;
+
+ if (!rt700->component->card || !rt700->component->card->instantiated)
+ return;
+
+ reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
+ ret = regmap_read(rt700->regmap, reg, &jack_status);
+ if (ret < 0)
+ goto io_error;
+
+ /* pin attached */
+ if (jack_status & (1 << 31)) {
+ /* jack in */
+ if (rt700->jack_type == 0) {
+ ret = rt700_headset_detect(rt700);
+ if (ret < 0)
+ return;
+ if (rt700->jack_type == SND_JACK_HEADSET)
+ btn_type = rt700_button_detect(rt700);
+ } else if (rt700->jack_type == SND_JACK_HEADSET) {
+ /* jack is already in, report button event */
+ btn_type = rt700_button_detect(rt700);
+ }
+ } else {
+ /* jack out */
+ rt700->jack_type = 0;
+ }
+
+ dev_dbg(&rt700->slave->dev,
+ "in %s, jack_type=0x%x\n", __func__, rt700->jack_type);
+ dev_dbg(&rt700->slave->dev,
+ "in %s, btn_type=0x%x\n", __func__, btn_type);
+
+ snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
+ SND_JACK_HEADSET |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3);
+
+ if (btn_type) {
+ /* button released */
+ snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
+ SND_JACK_HEADSET |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3);
+
+ mod_delayed_work(system_power_efficient_wq,
+ &rt700->jack_btn_check_work, msecs_to_jiffies(200));
+ }
+
+ return;
+
+io_error:
+ pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+}
+
+static void rt700_btn_check_handler(struct work_struct *work)
+{
+ struct rt700_priv *rt700 = container_of(work, struct rt700_priv,
+ jack_btn_check_work.work);
+ int btn_type = 0, ret;
+ unsigned int jack_status = 0, reg;
+
+ reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
+ ret = regmap_read(rt700->regmap, reg, &jack_status);
+ if (ret < 0)
+ goto io_error;
+
+ /* pin attached */
+ if (jack_status & (1 << 31)) {
+ if (rt700->jack_type == SND_JACK_HEADSET) {
+ /* jack is already in, report button event */
+ btn_type = rt700_button_detect(rt700);
+ }
+ } else {
+ rt700->jack_type = 0;
+ }
+
+ /* cbj comparator */
+ ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, &reg);
+ if (ret < 0)
+ goto io_error;
+
+ if ((reg & 0xf0) == 0xf0)
+ btn_type = 0;
+
+ dev_dbg(&rt700->slave->dev,
+ "%s, btn_type=0x%x\n", __func__, btn_type);
+ snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
+ SND_JACK_HEADSET |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3);
+
+ if (btn_type) {
+ /* button released */
+ snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
+ SND_JACK_HEADSET |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3);
+
+ mod_delayed_work(system_power_efficient_wq,
+ &rt700->jack_btn_check_work, msecs_to_jiffies(200));
+ }
+
+ return;
+
+io_error:
+ pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+}
+
+static void rt700_jack_init(struct rt700_priv *rt700)
+{
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(rt700->component);
+
+ /* power on */
+ if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+ regmap_write(rt700->regmap,
+ RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+
+ if (rt700->hs_jack) {
+ /* Enable Jack Detection */
+ regmap_write(rt700->regmap,
+ RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
+ regmap_write(rt700->regmap,
+ RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);
+ regmap_write(rt700->regmap,
+ RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
+ rt700_index_write(rt700->regmap, 0x10, 0x2420);
+ rt700_index_write(rt700->regmap, 0x19, 0x2e11);
+
+ dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
+
+ mod_delayed_work(system_power_efficient_wq,
+ &rt700->jack_detect_work, msecs_to_jiffies(250));
+ } else {
+ regmap_write(rt700->regmap,
+ RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);
+ regmap_write(rt700->regmap,
+ RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);
+ regmap_write(rt700->regmap,
+ RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);
+
+ dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
+ }
+
+ /* power off */
+ if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+ regmap_write(rt700->regmap,
+ RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
+}
+
+static int rt700_set_jack_detect(struct snd_soc_component *component,
+ struct snd_soc_jack *hs_jack, void *data)
+{
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ rt700->hs_jack = hs_jack;
+
+ ret = pm_runtime_resume_and_get(component->dev);
+ if (ret < 0) {
+ if (ret != -EACCES) {
+ dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret);
+ return ret;
+ }
+
+ /* pm_runtime not enabled yet */
+ dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__);
+ return 0;
+ }
+
+ rt700_jack_init(rt700);
+
+ pm_runtime_mark_last_busy(component->dev);
+ pm_runtime_put_autosuspend(component->dev);
+
+ return 0;
+}
+
+static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
+ unsigned int addr_l, unsigned int val_h,
+ unsigned int *r_val, unsigned int *l_val)
+{
+ /* R Channel */
+ *r_val = (val_h << 8);
+ regmap_read(rt700->regmap, addr_l, r_val);
+
+ /* L Channel */
+ val_h |= 0x20;
+ *l_val = (val_h << 8);
+ regmap_read(rt700->regmap, addr_h, l_val);
+}
+
+/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
+static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
+ unsigned int read_ll, read_rl;
+ int i;
+
+ /* Can't use update bit function, so read the original value first */
+ addr_h = mc->reg;
+ addr_l = mc->rreg;
+ if (mc->shift == RT700_DIR_OUT_SFT) /* output */
+ val_h = 0x80;
+ else /* input */
+ val_h = 0x0;
+
+ rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
+
+ /* L Channel */
+ if (mc->invert) {
+ /* for mute */
+ val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
+ /* keep gain */
+ read_ll = read_ll & 0x7f;
+ val_ll |= read_ll;
+ } else {
+ /* for gain */
+ val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
+ if (val_ll > mc->max)
+ val_ll = mc->max;
+ /* keep mute status */
+ read_ll = read_ll & 0x80;
+ val_ll |= read_ll;
+ }
+
+ if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+ regmap_write(rt700->regmap,
+ RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+
+ /* R Channel */
+ if (mc->invert) {
+ /* for mute */
+ val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
+ /* keep gain */
+ read_rl = read_rl & 0x7f;
+ val_lr |= read_rl;
+ } else {
+ /* for gain */
+ val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
+ if (val_lr > mc->max)
+ val_lr = mc->max;
+ /* keep mute status */
+ read_rl = read_rl & 0x80;
+ val_lr |= read_rl;
+ }
+
+ for (i = 0; i < 3; i++) { /* retry 3 times at most */
+ if (val_ll == val_lr) {
+ /* Set both L/R channels at the same time */
+ val_h = (1 << mc->shift) | (3 << 4);
+ regmap_write(rt700->regmap,
+ addr_h, (val_h << 8 | val_ll));
+ regmap_write(rt700->regmap,
+ addr_l, (val_h << 8 | val_ll));
+ } else {
+ /* Lch*/
+ val_h = (1 << mc->shift) | (1 << 5);
+ regmap_write(rt700->regmap,
+ addr_h, (val_h << 8 | val_ll));
+
+ /* Rch */
+ val_h = (1 << mc->shift) | (1 << 4);
+ regmap_write(rt700->regmap,
+ addr_l, (val_h << 8 | val_lr));
+ }
+ /* check result */
+ if (mc->shift == RT700_DIR_OUT_SFT) /* output */
+ val_h = 0x80;
+ else /* input */
+ val_h = 0x0;
+
+ rt700_get_gain(rt700, addr_h, addr_l, val_h,
+ &read_rl, &read_ll);
+ if (read_rl == val_lr && read_ll == val_ll)
+ break;
+ }
+
+ if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
+ regmap_write(rt700->regmap,
+ RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
+ return 0;
+}
+
+static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int addr_h, addr_l, val_h;
+ unsigned int read_ll, read_rl;
+
+ addr_h = mc->reg;
+ addr_l = mc->rreg;
+ if (mc->shift == RT700_DIR_OUT_SFT) /* output */
+ val_h = 0x80;
+ else /* input */
+ val_h = 0x0;
+
+ rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
+
+ if (mc->invert) {
+ /* for mute status */
+ read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
+ read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
+ } else {
+ /* for gain */
+ read_ll = read_ll & 0x7f;
+ read_rl = read_rl & 0x7f;
+ }
+ ucontrol->value.integer.value[0] = read_ll;
+ ucontrol->value.integer.value[1] = read_rl;
+
+ return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
+static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
+
+static const struct snd_kcontrol_new rt700_snd_controls[] = {
+ SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
+ RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
+ RT700_DIR_OUT_SFT, 0x57, 0,
+ rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
+ SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
+ RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
+ RT700_DIR_IN_SFT, 1, 1,
+ rt700_set_amp_gain_get, rt700_set_amp_gain_put),
+ SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
+ RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
+ RT700_DIR_IN_SFT, 1, 1,
+ rt700_set_amp_gain_get, rt700_set_amp_gain_put),
+ SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
+ RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
+ RT700_DIR_IN_SFT, 0x3f, 0,
+ rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
+ SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
+ RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
+ RT700_DIR_IN_SFT, 0x3f, 0,
+ rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
+ SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
+ RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L,
+ RT700_DIR_IN_SFT, 3, 0,
+ rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
+};
+
+static int rt700_mux_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_kcontrol_component(kcontrol);
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ unsigned int reg, val = 0, nid;
+ int ret;
+
+ if (strstr(ucontrol->id.name, "HPO Mux"))
+ nid = RT700_HP_OUT;
+ else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
+ nid = RT700_MIXER_IN1;
+ else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
+ nid = RT700_MIXER_IN2;
+ else
+ return -EINVAL;
+
+ /* vid = 0xf01 */
+ reg = RT700_VERB_SET_CONNECT_SEL | nid;
+ ret = regmap_read(rt700->regmap, reg, &val);
+ if (ret < 0)
+ return ret;
+
+ ucontrol->value.enumerated.item[0] = val;
+
+ return 0;
+}
+
+static int rt700_mux_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_kcontrol_component(kcontrol);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int *item = ucontrol->value.enumerated.item;
+ unsigned int val, val2 = 0, change, reg, nid;
+ int ret;
+
+ if (item[0] >= e->items)
+ return -EINVAL;
+
+ if (strstr(ucontrol->id.name, "HPO Mux"))
+ nid = RT700_HP_OUT;
+ else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
+ nid = RT700_MIXER_IN1;
+ else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
+ nid = RT700_MIXER_IN2;
+ else
+ return -EINVAL;
+
+ /* Verb ID = 0x701h */
+ val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
+
+ reg = RT700_VERB_SET_CONNECT_SEL | nid;
+ ret = regmap_read(rt700->regmap, reg, &val2);
+ if (ret < 0)
+ return ret;
+
+ if (val == val2)
+ change = 0;
+ else
+ change = 1;
+
+ if (change) {
+ reg = RT700_VERB_SET_CONNECT_SEL | nid;
+ regmap_write(rt700->regmap, reg, val);
+ }
+
+ snd_soc_dapm_mux_update_power(dapm, kcontrol,
+ item[0], e, NULL);
+
+ return change;
+}
+
+static const char * const adc_mux_text[] = {
+ "MIC2",
+ "LINE1",
+ "LINE2",
+ "DMIC",
+};
+
+static SOC_ENUM_SINGLE_DECL(
+ rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
+
+static SOC_ENUM_SINGLE_DECL(
+ rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
+
+static const struct snd_kcontrol_new rt700_adc22_mux =
+ SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
+ rt700_mux_get, rt700_mux_put);
+
+static const struct snd_kcontrol_new rt700_adc23_mux =
+ SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
+ rt700_mux_get, rt700_mux_put);
+
+static const char * const out_mux_text[] = {
+ "Front",
+ "Surround",
+};
+
+static SOC_ENUM_SINGLE_DECL(
+ rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
+
+static const struct snd_kcontrol_new rt700_hp_mux =
+ SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
+ rt700_mux_get, rt700_mux_put);
+
+static int rt700_dac_front_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_DAC1, 0x10);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_DAC1, 0x00);
+ break;
+ }
+ return 0;
+}
+
+static int rt700_dac_surround_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_DAC2, 0x10);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_DAC2, 0x00);
+ break;
+ }
+ return 0;
+}
+
+static int rt700_adc_09_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_ADC1, 0x10);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_ADC1, 0x00);
+ break;
+ }
+ return 0;
+}
+
+static int rt700_adc_08_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_ADC2, 0x10);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_write(rt700->regmap,
+ RT700_SET_STREAMID_ADC2, 0x00);
+ break;
+ }
+ return 0;
+}
+
+static int rt700_hpo_mux_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
+ unsigned int val_l;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ val_l = 0x00;
+ regmap_write(rt700->regmap,
+ RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ val_l = (1 << RT700_MUTE_SFT);
+ regmap_write(rt700->regmap,
+ RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
+ usleep_range(50000, 55000);
+ break;
+ }
+ return 0;
+}
+
+static int rt700_spk_pga_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
+ unsigned int val_l;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ val_l = 0x00;
+ regmap_write(rt700->regmap,
+ RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ val_l = (1 << RT700_MUTE_SFT);
+ regmap_write(rt700->regmap,
+ RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
+ break;
+ }
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
+ SND_SOC_DAPM_OUTPUT("HP"),
+ SND_SOC_DAPM_OUTPUT("SPK"),
+ SND_SOC_DAPM_INPUT("DMIC1"),
+ SND_SOC_DAPM_INPUT("DMIC2"),
+ SND_SOC_DAPM_INPUT("MIC2"),
+ SND_SOC_DAPM_INPUT("LINE1"),
+ SND_SOC_DAPM_INPUT("LINE2"),
+ SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
+ rt700_dac_front_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
+ rt700_dac_surround_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
+ rt700_hpo_mux_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+ rt700_spk_pga_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
+ rt700_adc_09_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
+ rt700_adc_08_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
+ &rt700_adc22_mux),
+ SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
+ &rt700_adc23_mux),
+ SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
+};
+
+static const struct snd_soc_dapm_route rt700_audio_map[] = {
+ {"DAC Front", NULL, "DP1RX"},
+ {"DAC Surround", NULL, "DP3RX"},
+ {"DP2TX", NULL, "ADC 09"},
+ {"DP4TX", NULL, "ADC 08"},
+ {"ADC 09", NULL, "ADC 22 Mux"},
+ {"ADC 08", NULL, "ADC 23 Mux"},
+ {"ADC 22 Mux", "DMIC", "DMIC1"},
+ {"ADC 22 Mux", "LINE1", "LINE1"},
+ {"ADC 22 Mux", "LINE2", "LINE2"},
+ {"ADC 22 Mux", "MIC2", "MIC2"},
+ {"ADC 23 Mux", "DMIC", "DMIC2"},
+ {"ADC 23 Mux", "LINE1", "LINE1"},
+ {"ADC 23 Mux", "LINE2", "LINE2"},
+ {"ADC 23 Mux", "MIC2", "MIC2"},
+ {"HPO Mux", "Front", "DAC Front"},
+ {"HPO Mux", "Surround", "DAC Surround"},
+ {"HP", NULL, "HPO Mux"},
+ {"SPK PGA", NULL, "DAC Front"},
+ {"SPK", NULL, "SPK PGA"},
+};
+
+static int rt700_probe(struct snd_soc_component *component)
+{
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ rt700->component = component;
+
+ ret = pm_runtime_resume(component->dev);
+ if (ret < 0 && ret != -EACCES)
+ return ret;
+
+ return 0;
+}
+
+static int rt700_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+ regmap_write(rt700->regmap,
+ RT700_SET_AUDIO_POWER_STATE,
+ AC_PWRST_D0);
+ }
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ regmap_write(rt700->regmap,
+ RT700_SET_AUDIO_POWER_STATE,
+ AC_PWRST_D3);
+ break;
+
+ default:
+ break;
+ }
+ dapm->bias_level = level;
+ return 0;
+}
+
+static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
+ .probe = rt700_probe,
+ .set_bias_level = rt700_set_bias_level,
+ .controls = rt700_snd_controls,
+ .num_controls = ARRAY_SIZE(rt700_snd_controls),
+ .dapm_widgets = rt700_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
+ .dapm_routes = rt700_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
+ .set_jack = rt700_set_jack_detect,
+ .endianness = 1,
+};
+
+static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
+ int direction)
+{
+ struct sdw_stream_data *stream;
+
+ if (!sdw_stream)
+ return 0;
+
+ stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+ if (!stream)
+ return -ENOMEM;
+
+ stream->sdw_stream = sdw_stream;
+
+ /* Use tx_mask or rx_mask to configure stream tag and set dma_data */
+ if (direction == SNDRV_PCM_STREAM_PLAYBACK)
+ dai->playback_dma_data = stream;
+ else
+ dai->capture_dma_data = stream;
+
+ return 0;
+}
+
+static void rt700_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sdw_stream_data *stream;
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+ snd_soc_dai_set_dma_data(dai, substream, NULL);
+ kfree(stream);
+}
+
+static int rt700_pcm_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 rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ struct sdw_stream_config stream_config;
+ struct sdw_port_config port_config;
+ enum sdw_data_direction direction;
+ struct sdw_stream_data *stream;
+ int retval, port, num_channels;
+ unsigned int val = 0;
+
+ dev_dbg(dai->dev, "%s %s", __func__, dai->name);
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!stream)
+ return -EINVAL;
+
+ if (!rt700->slave)
+ return -EINVAL;
+
+ /* SoundWire specific configuration */
+ /* This code assumes port 1 for playback and port 2 for capture */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ direction = SDW_DATA_DIR_RX;
+ port = 1;
+ } else {
+ direction = SDW_DATA_DIR_TX;
+ port = 2;
+ }
+
+ switch (dai->id) {
+ case RT700_AIF1:
+ break;
+ case RT700_AIF2:
+ port += 2;
+ break;
+ default:
+ dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
+ return -EINVAL;
+ }
+
+ stream_config.frame_rate = params_rate(params);
+ stream_config.ch_count = params_channels(params);
+ stream_config.bps = snd_pcm_format_width(params_format(params));
+ stream_config.direction = direction;
+
+ num_channels = params_channels(params);
+ port_config.ch_mask = (1 << (num_channels)) - 1;
+ port_config.num = port;
+
+ retval = sdw_stream_add_slave(rt700->slave, &stream_config,
+ &port_config, 1, stream->sdw_stream);
+ if (retval) {
+ dev_err(dai->dev, "Unable to configure port\n");
+ return retval;
+ }
+
+ if (params_channels(params) <= 16) {
+ /* bit 3:0 Number of Channel */
+ val |= (params_channels(params) - 1);
+ } else {
+ dev_err(component->dev, "Unsupported channels %d\n",
+ params_channels(params));
+ return -EINVAL;
+ }
+
+ switch (params_width(params)) {
+ /* bit 6:4 Bits per Sample */
+ case 8:
+ break;
+ case 16:
+ val |= (0x1 << 4);
+ break;
+ case 20:
+ val |= (0x2 << 4);
+ break;
+ case 24:
+ val |= (0x3 << 4);
+ break;
+ case 32:
+ val |= (0x4 << 4);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* 48Khz */
+ regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);
+ regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);
+
+ return retval;
+}
+
+static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
+ struct sdw_stream_data *stream =
+ snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!rt700->slave)
+ return -EINVAL;
+
+ sdw_stream_remove_slave(rt700->slave, stream->sdw_stream);
+ return 0;
+}
+
+#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
+
+static const struct snd_soc_dai_ops rt700_ops = {
+ .hw_params = rt700_pcm_hw_params,
+ .hw_free = rt700_pcm_hw_free,
+ .set_stream = rt700_set_sdw_stream,
+ .shutdown = rt700_shutdown,
+};
+
+static struct snd_soc_dai_driver rt700_dai[] = {
+ {
+ .name = "rt700-aif1",
+ .id = RT700_AIF1,
+ .playback = {
+ .stream_name = "DP1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT700_STEREO_RATES,
+ .formats = RT700_FORMATS,
+ },
+ .capture = {
+ .stream_name = "DP2 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT700_STEREO_RATES,
+ .formats = RT700_FORMATS,
+ },
+ .ops = &rt700_ops,
+ },
+ {
+ .name = "rt700-aif2",
+ .id = RT700_AIF2,
+ .playback = {
+ .stream_name = "DP3 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT700_STEREO_RATES,
+ .formats = RT700_FORMATS,
+ },
+ .capture = {
+ .stream_name = "DP4 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT700_STEREO_RATES,
+ .formats = RT700_FORMATS,
+ },
+ .ops = &rt700_ops,
+ },
+};
+
+/* Bus clock frequency */
+#define RT700_CLK_FREQ_9600000HZ 9600000
+#define RT700_CLK_FREQ_12000000HZ 12000000
+#define RT700_CLK_FREQ_6000000HZ 6000000
+#define RT700_CLK_FREQ_4800000HZ 4800000
+#define RT700_CLK_FREQ_2400000HZ 2400000
+#define RT700_CLK_FREQ_12288000HZ 12288000
+
+int rt700_clock_config(struct device *dev)
+{
+ struct rt700_priv *rt700 = dev_get_drvdata(dev);
+ unsigned int clk_freq, value;
+
+ clk_freq = (rt700->params.curr_dr_freq >> 1);
+
+ switch (clk_freq) {
+ case RT700_CLK_FREQ_12000000HZ:
+ value = 0x0;
+ break;
+ case RT700_CLK_FREQ_6000000HZ:
+ value = 0x1;
+ break;
+ case RT700_CLK_FREQ_9600000HZ:
+ value = 0x2;
+ break;
+ case RT700_CLK_FREQ_4800000HZ:
+ value = 0x3;
+ break;
+ case RT700_CLK_FREQ_2400000HZ:
+ value = 0x4;
+ break;
+ case RT700_CLK_FREQ_12288000HZ:
+ value = 0x5;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_write(rt700->regmap, 0xe0, value);
+ regmap_write(rt700->regmap, 0xf0, value);
+
+ dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
+
+ return 0;
+}
+
+int rt700_init(struct device *dev, struct regmap *sdw_regmap,
+ struct regmap *regmap, struct sdw_slave *slave)
+
+{
+ struct rt700_priv *rt700;
+ int ret;
+
+ rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);
+ if (!rt700)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, rt700);
+ rt700->slave = slave;
+ rt700->sdw_regmap = sdw_regmap;
+ rt700->regmap = regmap;
+
+ mutex_init(&rt700->disable_irq_lock);
+
+ INIT_DELAYED_WORK(&rt700->jack_detect_work,
+ rt700_jack_detect_handler);
+ INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
+ rt700_btn_check_handler);
+
+ /*
+ * Mark hw_init to false
+ * HW init will be performed when device reports present
+ */
+ rt700->hw_init = false;
+ rt700->first_hw_init = false;
+
+ ret = devm_snd_soc_register_component(dev,
+ &soc_codec_dev_rt700,
+ rt700_dai,
+ ARRAY_SIZE(rt700_dai));
+
+ dev_dbg(&slave->dev, "%s\n", __func__);
+
+ return ret;
+}
+
+int rt700_io_init(struct device *dev, struct sdw_slave *slave)
+{
+ struct rt700_priv *rt700 = dev_get_drvdata(dev);
+
+ rt700->disable_irq = false;
+
+ if (rt700->hw_init)
+ return 0;
+
+ if (rt700->first_hw_init) {
+ regcache_cache_only(rt700->regmap, false);
+ regcache_cache_bypass(rt700->regmap, true);
+ }
+
+ /*
+ * PM runtime is only enabled when a Slave reports as Attached
+ */
+ if (!rt700->first_hw_init) {
+ /* set autosuspend parameters */
+ pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
+ pm_runtime_use_autosuspend(&slave->dev);
+
+ /* update count of parent 'active' children */
+ pm_runtime_set_active(&slave->dev);
+
+ /* make sure the device does not suspend immediately */
+ pm_runtime_mark_last_busy(&slave->dev);
+
+ pm_runtime_enable(&slave->dev);
+ }
+
+ pm_runtime_get_noresume(&slave->dev);
+
+ /* reset */
+ regmap_write(rt700->regmap, 0xff01, 0x0000);
+ regmap_write(rt700->regmap, 0x7520, 0x001a);
+ regmap_write(rt700->regmap, 0x7420, 0xc003);
+
+ /* power on */
+ regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
+ /* Set Pin Widget */
+ regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);
+ regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);
+ regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
+ regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);
+ regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);
+ regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);
+
+ /* Set Configuration Default */
+ regmap_write(rt700->regmap, 0x4f12, 0x91);
+ regmap_write(rt700->regmap, 0x4e12, 0xd6);
+ regmap_write(rt700->regmap, 0x4d12, 0x11);
+ regmap_write(rt700->regmap, 0x4c12, 0x20);
+ regmap_write(rt700->regmap, 0x4f13, 0x91);
+ regmap_write(rt700->regmap, 0x4e13, 0xd6);
+ regmap_write(rt700->regmap, 0x4d13, 0x11);
+ regmap_write(rt700->regmap, 0x4c13, 0x21);
+
+ regmap_write(rt700->regmap, 0x4f19, 0x02);
+ regmap_write(rt700->regmap, 0x4e19, 0xa1);
+ regmap_write(rt700->regmap, 0x4d19, 0x90);
+ regmap_write(rt700->regmap, 0x4c19, 0x80);
+
+ /* Enable Line2 */
+ regmap_write(rt700->regmap, 0x371b, 0x40);
+ regmap_write(rt700->regmap, 0x731b, 0xb0);
+ regmap_write(rt700->regmap, 0x839b, 0x00);
+
+ /* Set index */
+ rt700_index_write(rt700->regmap, 0x4a, 0x201b);
+ rt700_index_write(rt700->regmap, 0x45, 0x5089);
+ rt700_index_write(rt700->regmap, 0x6b, 0x5064);
+ rt700_index_write(rt700->regmap, 0x48, 0xd249);
+
+ /* Finish Initial Settings, set power to D3 */
+ regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
+
+ /*
+ * if set_jack callback occurred early than io_init,
+ * we set up the jack detection function now
+ */
+ if (rt700->hs_jack)
+ rt700_jack_init(rt700);
+
+ if (rt700->first_hw_init) {
+ regcache_cache_bypass(rt700->regmap, false);
+ regcache_mark_dirty(rt700->regmap);
+ } else
+ rt700->first_hw_init = true;
+
+ /* Mark Slave initialization complete */
+ rt700->hw_init = true;
+
+ pm_runtime_mark_last_busy(&slave->dev);
+ pm_runtime_put_autosuspend(&slave->dev);
+
+ dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
+
+ return 0;
+}
+
+MODULE_DESCRIPTION("ASoC RT700 driver SDW");
+MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 21:04:26 +0000