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- // 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, ®);
- 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 <[email protected]>");
- MODULE_LICENSE("GPL v2");
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