diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/rt711.c | 1343 |
1 files changed, 1343 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c new file mode 100644 index 0000000000..66eaed13b0 --- /dev/null +++ b/sound/soc/codecs/rt711.c @@ -0,0 +1,1343 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// rt711.c -- rt711 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/sdw.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 "rt711.h" + +static int rt711_index_write(struct regmap *regmap, + unsigned int nid, unsigned int reg, unsigned int value) +{ + int ret; + unsigned int addr = ((RT711_PRIV_INDEX_W_H | nid) << 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 rt711_index_read(struct regmap *regmap, + unsigned int nid, unsigned int reg, unsigned int *value) +{ + int ret; + unsigned int addr = ((RT711_PRIV_INDEX_W_H | nid) << 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 int rt711_index_update_bits(struct regmap *regmap, unsigned int nid, + unsigned int reg, unsigned int mask, unsigned int val) +{ + unsigned int tmp, orig; + int ret; + + ret = rt711_index_read(regmap, nid, reg, &orig); + if (ret < 0) + return ret; + + tmp = orig & ~mask; + tmp |= val & mask; + + return rt711_index_write(regmap, nid, reg, tmp); +} + +static void rt711_reset(struct regmap *regmap) +{ + regmap_write(regmap, RT711_FUNC_RESET, 0); + rt711_index_update_bits(regmap, RT711_VENDOR_REG, + RT711_PARA_VERB_CTL, RT711_HIDDEN_REG_SW_RESET, + RT711_HIDDEN_REG_SW_RESET); +} + +static int rt711_calibration(struct rt711_priv *rt711) +{ + unsigned int val, loop = 0; + struct device *dev; + struct regmap *regmap = rt711->regmap; + int ret = 0; + + mutex_lock(&rt711->calibrate_mutex); + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0); + + dev = regmap_get_device(regmap); + + /* Calibration manual mode */ + rt711_index_update_bits(regmap, RT711_VENDOR_REG, RT711_FSM_CTL, + 0xf, 0x0); + + /* trigger */ + rt711_index_update_bits(regmap, RT711_VENDOR_CALI, + RT711_DAC_DC_CALI_CTL1, RT711_DAC_DC_CALI_TRIGGER, + RT711_DAC_DC_CALI_TRIGGER); + + /* wait for calibration process */ + rt711_index_read(regmap, RT711_VENDOR_CALI, + RT711_DAC_DC_CALI_CTL1, &val); + + while (val & RT711_DAC_DC_CALI_TRIGGER) { + if (loop >= 500) { + pr_err("%s, calibration time-out!\n", + __func__); + ret = -ETIMEDOUT; + break; + } + loop++; + + usleep_range(10000, 11000); + rt711_index_read(regmap, RT711_VENDOR_CALI, + RT711_DAC_DC_CALI_CTL1, &val); + } + + /* depop mode */ + rt711_index_update_bits(regmap, RT711_VENDOR_REG, + RT711_FSM_CTL, 0xf, RT711_DEPOP_CTL); + + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3); + mutex_unlock(&rt711->calibrate_mutex); + + dev_dbg(dev, "%s calibration complete, ret=%d\n", __func__, ret); + return ret; +} + +static unsigned int rt711_button_detect(struct rt711_priv *rt711) +{ + unsigned int btn_type = 0, val80, val81; + int ret; + + ret = rt711_index_read(rt711->regmap, RT711_VENDOR_REG, + RT711_IRQ_FLAG_TABLE1, &val80); + if (ret < 0) + goto read_error; + ret = rt711_index_read(rt711->regmap, RT711_VENDOR_REG, + RT711_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 rt711_headset_detect(struct rt711_priv *rt711) +{ + unsigned int buf, loop = 0; + int ret; + unsigned int jack_status = 0, reg; + + ret = rt711_index_read(rt711->regmap, RT711_VENDOR_REG, + RT711_COMBO_JACK_AUTO_CTL2, &buf); + if (ret < 0) + goto io_error; + + while (loop < 500 && + (buf & RT711_COMBOJACK_AUTO_DET_STATUS) == 0) { + loop++; + + usleep_range(9000, 10000); + ret = rt711_index_read(rt711->regmap, RT711_VENDOR_REG, + RT711_COMBO_JACK_AUTO_CTL2, &buf); + if (ret < 0) + goto io_error; + + reg = RT711_VERB_GET_PIN_SENSE | RT711_HP_OUT; + ret = regmap_read(rt711->regmap, reg, &jack_status); + if (ret < 0) + goto io_error; + if ((jack_status & (1 << 31)) == 0) + goto remove_error; + } + + if (loop >= 500) + goto to_error; + + if (buf & RT711_COMBOJACK_AUTO_DET_TRS) + rt711->jack_type = SND_JACK_HEADPHONE; + else if ((buf & RT711_COMBOJACK_AUTO_DET_CTIA) || + (buf & RT711_COMBOJACK_AUTO_DET_OMTP)) + rt711->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 rt711_jack_detect_handler(struct work_struct *work) +{ + struct rt711_priv *rt711 = + container_of(work, struct rt711_priv, jack_detect_work.work); + int btn_type = 0, ret; + unsigned int jack_status = 0, reg; + + if (!rt711->hs_jack) + return; + + if (!snd_soc_card_is_instantiated(rt711->component->card)) + return; + + if (pm_runtime_status_suspended(rt711->slave->dev.parent)) { + dev_dbg(&rt711->slave->dev, + "%s: parent device is pm_runtime_status_suspended, skipping jack detection\n", + __func__); + return; + } + + reg = RT711_VERB_GET_PIN_SENSE | RT711_HP_OUT; + ret = regmap_read(rt711->regmap, reg, &jack_status); + if (ret < 0) + goto io_error; + + /* pin attached */ + if (jack_status & (1 << 31)) { + /* jack in */ + if (rt711->jack_type == 0) { + ret = rt711_headset_detect(rt711); + if (ret < 0) + return; + if (rt711->jack_type == SND_JACK_HEADSET) + btn_type = rt711_button_detect(rt711); + } else if (rt711->jack_type == SND_JACK_HEADSET) { + /* jack is already in, report button event */ + btn_type = rt711_button_detect(rt711); + } + } else { + /* jack out */ + rt711->jack_type = 0; + } + + dev_dbg(&rt711->slave->dev, + "in %s, jack_type=0x%x\n", __func__, rt711->jack_type); + dev_dbg(&rt711->slave->dev, + "in %s, btn_type=0x%x\n", __func__, btn_type); + + snd_soc_jack_report(rt711->hs_jack, rt711->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(rt711->hs_jack, rt711->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, + &rt711->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 rt711_btn_check_handler(struct work_struct *work) +{ + struct rt711_priv *rt711 = container_of(work, struct rt711_priv, + jack_btn_check_work.work); + int btn_type = 0, ret; + unsigned int jack_status = 0, reg; + + reg = RT711_VERB_GET_PIN_SENSE | RT711_HP_OUT; + ret = regmap_read(rt711->regmap, reg, &jack_status); + if (ret < 0) + goto io_error; + + /* pin attached */ + if (jack_status & (1 << 31)) { + if (rt711->jack_type == SND_JACK_HEADSET) { + /* jack is already in, report button event */ + btn_type = rt711_button_detect(rt711); + } + } else { + rt711->jack_type = 0; + } + + /* cbj comparator */ + ret = rt711_index_read(rt711->regmap, RT711_VENDOR_REG, + RT711_COMBO_JACK_AUTO_CTL2, ®); + if (ret < 0) + goto io_error; + + if ((reg & 0xf0) == 0xf0) + btn_type = 0; + + dev_dbg(&rt711->slave->dev, + "%s, btn_type=0x%x\n", __func__, btn_type); + snd_soc_jack_report(rt711->hs_jack, rt711->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(rt711->hs_jack, rt711->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, + &rt711->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 rt711_jack_init(struct rt711_priv *rt711) +{ + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(rt711->component); + + mutex_lock(&rt711->calibrate_mutex); + /* power on */ + if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0); + + if (rt711->hs_jack) { + /* unsolicited response & IRQ control */ + regmap_write(rt711->regmap, + RT711_SET_MIC2_UNSOLICITED_ENABLE, 0x82); + regmap_write(rt711->regmap, + RT711_SET_HP_UNSOLICITED_ENABLE, 0x81); + regmap_write(rt711->regmap, + RT711_SET_INLINE_UNSOLICITED_ENABLE, 0x83); + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + 0x10, 0x2420); + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + 0x19, 0x2e11); + + switch (rt711->jd_src) { + case RT711_JD1: + /* default settings was already for JD1 */ + break; + case RT711_JD2: + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_JD_CTL2, RT711_JD2_2PORT_200K_DECODE_HP | + RT711_HP_JD_SEL_JD2, + RT711_JD2_2PORT_200K_DECODE_HP | + RT711_HP_JD_SEL_JD2); + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_CC_DET1, + RT711_HP_JD_FINAL_RESULT_CTL_JD12, + RT711_HP_JD_FINAL_RESULT_CTL_JD12); + break; + case RT711_JD2_100K: + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_JD_CTL2, RT711_JD2_2PORT_100K_DECODE | RT711_JD2_1PORT_TYPE_DECODE | + RT711_HP_JD_SEL_JD2 | RT711_JD1_2PORT_TYPE_100K_DECODE, + RT711_JD2_2PORT_100K_DECODE_HP | RT711_JD2_1PORT_JD_HP | + RT711_HP_JD_SEL_JD2 | RT711_JD1_2PORT_JD_RESERVED); + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_CC_DET1, + RT711_HP_JD_FINAL_RESULT_CTL_JD12, + RT711_HP_JD_FINAL_RESULT_CTL_JD12); + break; + case RT711_JD2_1P8V_1PORT: + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_JD_CTL1, RT711_JD2_DIGITAL_JD_MODE_SEL, + RT711_JD2_1_JD_MODE); + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_JD_CTL2, RT711_JD2_1PORT_TYPE_DECODE | + RT711_HP_JD_SEL_JD2, + RT711_JD2_1PORT_JD_HP | + RT711_HP_JD_SEL_JD2); + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_JD_CTL4, RT711_JD2_PAD_PULL_UP_MASK | + RT711_JD2_MODE_SEL_MASK, + RT711_JD2_PAD_PULL_UP | + RT711_JD2_MODE2_1P8V_1PORT); + rt711_index_update_bits(rt711->regmap, RT711_VENDOR_REG, + RT711_CC_DET1, + RT711_HP_JD_FINAL_RESULT_CTL_JD12, + RT711_HP_JD_FINAL_RESULT_CTL_JD12); + break; + default: + dev_warn(rt711->component->dev, "Wrong JD source\n"); + break; + } + + dev_dbg(&rt711->slave->dev, "in %s enable\n", __func__); + + mod_delayed_work(system_power_efficient_wq, + &rt711->jack_detect_work, msecs_to_jiffies(250)); + } else { + regmap_write(rt711->regmap, + RT711_SET_MIC2_UNSOLICITED_ENABLE, 0x00); + regmap_write(rt711->regmap, + RT711_SET_HP_UNSOLICITED_ENABLE, 0x00); + regmap_write(rt711->regmap, + RT711_SET_INLINE_UNSOLICITED_ENABLE, 0x00); + + dev_dbg(&rt711->slave->dev, "in %s disable\n", __func__); + } + + /* power off */ + if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3); + mutex_unlock(&rt711->calibrate_mutex); +} + +static int rt711_set_jack_detect(struct snd_soc_component *component, + struct snd_soc_jack *hs_jack, void *data) +{ + struct rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + int ret; + + rt711->hs_jack = hs_jack; + + /* we can only resume if the device was initialized at least once */ + if (!rt711->first_hw_init) + return 0; + + 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; + } + + rt711_jack_init(rt711); + + pm_runtime_mark_last_busy(component->dev); + pm_runtime_put_autosuspend(component->dev); + + return 0; +} + +static void rt711_get_gain(struct rt711_priv *rt711, 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(rt711->regmap, addr_l, r_val); + + /* L Channel */ + val_h |= 0x20; + *l_val = (val_h << 8); + regmap_read(rt711->regmap, addr_h, l_val); +} + +/* For Verb-Set Amplifier Gain (Verb ID = 3h) */ +static int rt711_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 rt711_priv *rt711 = 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; + + mutex_lock(&rt711->calibrate_mutex); + + /* Can't use update bit function, so read the original value first */ + addr_h = mc->reg; + addr_l = mc->rreg; + if (mc->shift == RT711_DIR_OUT_SFT) /* output */ + val_h = 0x80; + else /* input */ + val_h = 0x0; + + rt711_get_gain(rt711, addr_h, addr_l, val_h, &read_rl, &read_ll); + + /* L Channel */ + if (mc->invert) { + /* for mute/unmute */ + val_ll = (mc->max - ucontrol->value.integer.value[0]) + << RT711_MUTE_SFT; + /* 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 & (1 << RT711_MUTE_SFT); + val_ll |= read_ll; + } + + if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0); + + /* R Channel */ + if (mc->invert) { + /* for mute/unmute */ + val_lr = (mc->max - ucontrol->value.integer.value[1]) + << RT711_MUTE_SFT; + /* 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 & (1 << RT711_MUTE_SFT); + 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(rt711->regmap, + addr_h, (val_h << 8 | val_ll)); + regmap_write(rt711->regmap, + addr_l, (val_h << 8 | val_ll)); + } else { + /* Lch*/ + val_h = (1 << mc->shift) | (1 << 5); + regmap_write(rt711->regmap, + addr_h, (val_h << 8 | val_ll)); + + /* Rch */ + val_h = (1 << mc->shift) | (1 << 4); + regmap_write(rt711->regmap, + addr_l, (val_h << 8 | val_lr)); + } + /* check result */ + if (mc->shift == RT711_DIR_OUT_SFT) /* output */ + val_h = 0x80; + else /* input */ + val_h = 0x0; + + rt711_get_gain(rt711, 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(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3); + + mutex_unlock(&rt711->calibrate_mutex); + return 0; +} + +static int rt711_set_amp_gain_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt711_priv *rt711 = 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; + + /* switch to get command */ + addr_h = mc->reg; + addr_l = mc->rreg; + if (mc->shift == RT711_DIR_OUT_SFT) /* output */ + val_h = 0x80; + else /* input */ + val_h = 0x0; + + rt711_get_gain(rt711, addr_h, addr_l, val_h, &read_rl, &read_ll); + + if (mc->invert) { + /* mute/unmute for switch controls */ + read_ll = !((read_ll & 0x80) >> RT711_MUTE_SFT); + read_rl = !((read_rl & 0x80) >> RT711_MUTE_SFT); + } else { + /* for gain volume controls */ + 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 rt711_snd_controls[] = { + SOC_DOUBLE_R_EXT_TLV("DAC Surr Playback Volume", + RT711_SET_GAIN_DAC2_H, RT711_SET_GAIN_DAC2_L, + RT711_DIR_OUT_SFT, 0x57, 0, + rt711_set_amp_gain_get, rt711_set_amp_gain_put, out_vol_tlv), + SOC_DOUBLE_R_EXT("ADC 08 Capture Switch", + RT711_SET_GAIN_ADC2_H, RT711_SET_GAIN_ADC2_L, + RT711_DIR_IN_SFT, 1, 1, + rt711_set_amp_gain_get, rt711_set_amp_gain_put), + SOC_DOUBLE_R_EXT("ADC 09 Capture Switch", + RT711_SET_GAIN_ADC1_H, RT711_SET_GAIN_ADC1_L, + RT711_DIR_IN_SFT, 1, 1, + rt711_set_amp_gain_get, rt711_set_amp_gain_put), + SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume", + RT711_SET_GAIN_ADC2_H, RT711_SET_GAIN_ADC2_L, + RT711_DIR_IN_SFT, 0x3f, 0, + rt711_set_amp_gain_get, rt711_set_amp_gain_put, in_vol_tlv), + SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume", + RT711_SET_GAIN_ADC1_H, RT711_SET_GAIN_ADC1_L, + RT711_DIR_IN_SFT, 0x3f, 0, + rt711_set_amp_gain_get, rt711_set_amp_gain_put, in_vol_tlv), + SOC_DOUBLE_R_EXT_TLV("AMIC Volume", + RT711_SET_GAIN_AMIC_H, RT711_SET_GAIN_AMIC_L, + RT711_DIR_IN_SFT, 3, 0, + rt711_set_amp_gain_get, rt711_set_amp_gain_put, mic_vol_tlv), + SOC_DOUBLE_R_EXT_TLV("DMIC1 Volume", + RT711_SET_GAIN_DMIC1_H, RT711_SET_GAIN_DMIC1_L, + RT711_DIR_IN_SFT, 3, 0, + rt711_set_amp_gain_get, rt711_set_amp_gain_put, mic_vol_tlv), + SOC_DOUBLE_R_EXT_TLV("DMIC2 Volume", + RT711_SET_GAIN_DMIC2_H, RT711_SET_GAIN_DMIC2_L, + RT711_DIR_IN_SFT, 3, 0, + rt711_set_amp_gain_get, rt711_set_amp_gain_put, mic_vol_tlv), +}; + +static int rt711_mux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + struct rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + unsigned int reg, val = 0, nid; + int ret; + + if (strstr(ucontrol->id.name, "ADC 22 Mux")) + nid = RT711_MIXER_IN1; + else if (strstr(ucontrol->id.name, "ADC 23 Mux")) + nid = RT711_MIXER_IN2; + else + return -EINVAL; + + /* vid = 0xf01 */ + reg = RT711_VERB_SET_CONNECT_SEL | nid; + ret = regmap_read(rt711->regmap, reg, &val); + if (ret < 0) { + dev_err(component->dev, "%s: sdw read failed: %d\n", + __func__, ret); + return ret; + } + + ucontrol->value.enumerated.item[0] = val; + + return 0; +} + +static int rt711_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 rt711_priv *rt711 = 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, "ADC 22 Mux")) + nid = RT711_MIXER_IN1; + else if (strstr(ucontrol->id.name, "ADC 23 Mux")) + nid = RT711_MIXER_IN2; + else + return -EINVAL; + + /* Verb ID = 0x701h */ + val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; + + reg = RT711_VERB_SET_CONNECT_SEL | nid; + ret = regmap_read(rt711->regmap, reg, &val2); + if (ret < 0) { + dev_err(component->dev, "%s: sdw read failed: %d\n", + __func__, ret); + return ret; + } + + if (val == val2) + change = 0; + else + change = 1; + + if (change) { + reg = RT711_VERB_SET_CONNECT_SEL | nid; + regmap_write(rt711->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( + rt711_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text); + +static SOC_ENUM_SINGLE_DECL( + rt711_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text); + +static const struct snd_kcontrol_new rt711_adc22_mux = + SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt711_adc22_enum, + rt711_mux_get, rt711_mux_put); + +static const struct snd_kcontrol_new rt711_adc23_mux = + SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt711_adc23_enum, + rt711_mux_get, rt711_mux_put); + +static int rt711_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 rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + unsigned int val_h = (1 << RT711_DIR_OUT_SFT) | (0x3 << 4); + unsigned int val_l; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_write(rt711->regmap, + RT711_SET_STREAMID_DAC2, 0x10); + + val_l = 0x00; + regmap_write(rt711->regmap, + RT711_SET_GAIN_HP_H, (val_h << 8 | val_l)); + break; + case SND_SOC_DAPM_PRE_PMD: + val_l = (1 << RT711_MUTE_SFT); + regmap_write(rt711->regmap, + RT711_SET_GAIN_HP_H, (val_h << 8 | val_l)); + usleep_range(50000, 55000); + + regmap_write(rt711->regmap, + RT711_SET_STREAMID_DAC2, 0x00); + break; + } + return 0; +} + +static int rt711_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 rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_write(rt711->regmap, + RT711_SET_STREAMID_ADC1, 0x10); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_write(rt711->regmap, + RT711_SET_STREAMID_ADC1, 0x00); + break; + } + return 0; +} + +static int rt711_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 rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_write(rt711->regmap, + RT711_SET_STREAMID_ADC2, 0x10); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_write(rt711->regmap, + RT711_SET_STREAMID_ADC2, 0x00); + break; + } + return 0; +} + +static const struct snd_soc_dapm_widget rt711_dapm_widgets[] = { + SND_SOC_DAPM_OUTPUT("HP"), + SND_SOC_DAPM_INPUT("MIC2"), + SND_SOC_DAPM_INPUT("DMIC1"), + SND_SOC_DAPM_INPUT("DMIC2"), + SND_SOC_DAPM_INPUT("LINE1"), + SND_SOC_DAPM_INPUT("LINE2"), + + SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0, + rt711_dac_surround_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0, + rt711_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, + rt711_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, + &rt711_adc22_mux), + SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0, + &rt711_adc23_mux), + + 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 rt711_audio_map[] = { + {"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"}, + + {"HP", NULL, "DAC Surround"}, +}; + +static int rt711_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 rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + + switch (level) { + case SND_SOC_BIAS_PREPARE: + if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, + AC_PWRST_D0); + } + break; + + case SND_SOC_BIAS_STANDBY: + mutex_lock(&rt711->calibrate_mutex); + regmap_write(rt711->regmap, + RT711_SET_AUDIO_POWER_STATE, + AC_PWRST_D3); + mutex_unlock(&rt711->calibrate_mutex); + break; + + default: + break; + } + + return 0; +} + +static int rt711_parse_dt(struct rt711_priv *rt711, struct device *dev) +{ + device_property_read_u32(dev, "realtek,jd-src", + &rt711->jd_src); + + return 0; +} + +static int rt711_probe(struct snd_soc_component *component) +{ + struct rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + int ret; + + rt711_parse_dt(rt711, &rt711->slave->dev); + rt711->component = component; + + if (!rt711->first_hw_init) + return 0; + + ret = pm_runtime_resume(component->dev); + if (ret < 0 && ret != -EACCES) + return ret; + + return 0; +} + +static const struct snd_soc_component_driver soc_codec_dev_rt711 = { + .probe = rt711_probe, + .set_bias_level = rt711_set_bias_level, + .controls = rt711_snd_controls, + .num_controls = ARRAY_SIZE(rt711_snd_controls), + .dapm_widgets = rt711_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt711_dapm_widgets), + .dapm_routes = rt711_audio_map, + .num_dapm_routes = ARRAY_SIZE(rt711_audio_map), + .set_jack = rt711_set_jack_detect, + .endianness = 1, +}; + +static int rt711_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, + int direction) +{ + snd_soc_dai_dma_data_set(dai, direction, sdw_stream); + + return 0; +} + +static void rt711_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + snd_soc_dai_set_dma_data(dai, substream, NULL); +} + +static int rt711_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 rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + struct sdw_stream_config stream_config = {0}; + struct sdw_port_config port_config = {0}; + struct sdw_stream_runtime *sdw_stream; + int retval; + unsigned int val = 0; + + dev_dbg(dai->dev, "%s %s", __func__, dai->name); + sdw_stream = snd_soc_dai_get_dma_data(dai, substream); + + if (!sdw_stream) + return -EINVAL; + + if (!rt711->slave) + return -EINVAL; + + /* SoundWire specific configuration */ + snd_sdw_params_to_config(substream, params, &stream_config, &port_config); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + port_config.num = 3; + } else { + if (dai->id == RT711_AIF1) + port_config.num = 4; + else if (dai->id == RT711_AIF2) + port_config.num = 2; + else + return -EINVAL; + } + + retval = sdw_stream_add_slave(rt711->slave, &stream_config, + &port_config, 1, 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(rt711->regmap, RT711_DAC_FORMAT_H, val); + regmap_write(rt711->regmap, RT711_ADC1_FORMAT_H, val); + regmap_write(rt711->regmap, RT711_ADC2_FORMAT_H, val); + + return retval; +} + +static int rt711_pcm_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt711_priv *rt711 = snd_soc_component_get_drvdata(component); + struct sdw_stream_runtime *sdw_stream = + snd_soc_dai_get_dma_data(dai, substream); + + if (!rt711->slave) + return -EINVAL; + + sdw_stream_remove_slave(rt711->slave, sdw_stream); + return 0; +} + +#define RT711_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) +#define RT711_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 rt711_ops = { + .hw_params = rt711_pcm_hw_params, + .hw_free = rt711_pcm_hw_free, + .set_stream = rt711_set_sdw_stream, + .shutdown = rt711_shutdown, +}; + +static struct snd_soc_dai_driver rt711_dai[] = { + { + .name = "rt711-aif1", + .id = RT711_AIF1, + .playback = { + .stream_name = "DP3 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = RT711_STEREO_RATES, + .formats = RT711_FORMATS, + }, + .capture = { + .stream_name = "DP4 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = RT711_STEREO_RATES, + .formats = RT711_FORMATS, + }, + .ops = &rt711_ops, + }, + { + .name = "rt711-aif2", + .id = RT711_AIF2, + .capture = { + .stream_name = "DP2 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = RT711_STEREO_RATES, + .formats = RT711_FORMATS, + }, + .ops = &rt711_ops, + } +}; + +/* Bus clock frequency */ +#define RT711_CLK_FREQ_9600000HZ 9600000 +#define RT711_CLK_FREQ_12000000HZ 12000000 +#define RT711_CLK_FREQ_6000000HZ 6000000 +#define RT711_CLK_FREQ_4800000HZ 4800000 +#define RT711_CLK_FREQ_2400000HZ 2400000 +#define RT711_CLK_FREQ_12288000HZ 12288000 + +int rt711_clock_config(struct device *dev) +{ + struct rt711_priv *rt711 = dev_get_drvdata(dev); + unsigned int clk_freq, value; + + clk_freq = (rt711->params.curr_dr_freq >> 1); + + switch (clk_freq) { + case RT711_CLK_FREQ_12000000HZ: + value = 0x0; + break; + case RT711_CLK_FREQ_6000000HZ: + value = 0x1; + break; + case RT711_CLK_FREQ_9600000HZ: + value = 0x2; + break; + case RT711_CLK_FREQ_4800000HZ: + value = 0x3; + break; + case RT711_CLK_FREQ_2400000HZ: + value = 0x4; + break; + case RT711_CLK_FREQ_12288000HZ: + value = 0x5; + break; + default: + return -EINVAL; + } + + regmap_write(rt711->regmap, 0xe0, value); + regmap_write(rt711->regmap, 0xf0, value); + + dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq); + + return 0; +} + +static void rt711_calibration_work(struct work_struct *work) +{ + struct rt711_priv *rt711 = + container_of(work, struct rt711_priv, calibration_work); + + rt711_calibration(rt711); +} + +int rt711_init(struct device *dev, struct regmap *sdw_regmap, + struct regmap *regmap, struct sdw_slave *slave) +{ + struct rt711_priv *rt711; + int ret; + + rt711 = devm_kzalloc(dev, sizeof(*rt711), GFP_KERNEL); + if (!rt711) + return -ENOMEM; + + dev_set_drvdata(dev, rt711); + rt711->slave = slave; + rt711->sdw_regmap = sdw_regmap; + rt711->regmap = regmap; + + regcache_cache_only(rt711->regmap, true); + + mutex_init(&rt711->calibrate_mutex); + mutex_init(&rt711->disable_irq_lock); + + INIT_DELAYED_WORK(&rt711->jack_detect_work, rt711_jack_detect_handler); + INIT_DELAYED_WORK(&rt711->jack_btn_check_work, rt711_btn_check_handler); + INIT_WORK(&rt711->calibration_work, rt711_calibration_work); + + /* + * Mark hw_init to false + * HW init will be performed when device reports present + */ + rt711->hw_init = false; + rt711->first_hw_init = false; + + /* JD source uses JD2 in default */ + rt711->jd_src = RT711_JD2; + + ret = devm_snd_soc_register_component(dev, + &soc_codec_dev_rt711, + rt711_dai, + ARRAY_SIZE(rt711_dai)); + if (ret < 0) + return ret; + + /* set autosuspend parameters */ + pm_runtime_set_autosuspend_delay(dev, 3000); + pm_runtime_use_autosuspend(dev); + + /* make sure the device does not suspend immediately */ + pm_runtime_mark_last_busy(dev); + + pm_runtime_enable(dev); + + /* important note: the device is NOT tagged as 'active' and will remain + * 'suspended' until the hardware is enumerated/initialized. This is required + * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently + * fail with -EACCESS because of race conditions between card creation and enumeration + */ + + dev_dbg(dev, "%s\n", __func__); + + return ret; +} + +int rt711_io_init(struct device *dev, struct sdw_slave *slave) +{ + struct rt711_priv *rt711 = dev_get_drvdata(dev); + + rt711->disable_irq = false; + + if (rt711->hw_init) + return 0; + + regcache_cache_only(rt711->regmap, false); + if (rt711->first_hw_init) + regcache_cache_bypass(rt711->regmap, true); + + /* + * PM runtime status is marked as 'active' only when a Slave reports as Attached + */ + if (!rt711->first_hw_init) + /* update count of parent 'active' children */ + pm_runtime_set_active(&slave->dev); + + pm_runtime_get_noresume(&slave->dev); + + rt711_reset(rt711->regmap); + + /* power on */ + regmap_write(rt711->regmap, RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D0); + + /* Set Pin Widget */ + regmap_write(rt711->regmap, RT711_SET_PIN_MIC2, 0x25); + regmap_write(rt711->regmap, RT711_SET_PIN_HP, 0xc0); + regmap_write(rt711->regmap, RT711_SET_PIN_DMIC1, 0x20); + regmap_write(rt711->regmap, RT711_SET_PIN_DMIC2, 0x20); + regmap_write(rt711->regmap, RT711_SET_PIN_LINE1, 0x20); + regmap_write(rt711->regmap, RT711_SET_PIN_LINE2, 0x20); + + /* Mute HP/ADC1/ADC2 */ + regmap_write(rt711->regmap, RT711_SET_GAIN_HP_H, 0xa080); + regmap_write(rt711->regmap, RT711_SET_GAIN_HP_H, 0x9080); + regmap_write(rt711->regmap, RT711_SET_GAIN_ADC2_H, 0x6080); + regmap_write(rt711->regmap, RT711_SET_GAIN_ADC2_H, 0x5080); + regmap_write(rt711->regmap, RT711_SET_GAIN_ADC1_H, 0x6080); + regmap_write(rt711->regmap, RT711_SET_GAIN_ADC1_H, 0x5080); + + /* Set Configuration Default */ + regmap_write(rt711->regmap, 0x4f12, 0x91); + regmap_write(rt711->regmap, 0x4e12, 0xd6); + regmap_write(rt711->regmap, 0x4d12, 0x11); + regmap_write(rt711->regmap, 0x4c12, 0x20); + regmap_write(rt711->regmap, 0x4f13, 0x91); + regmap_write(rt711->regmap, 0x4e13, 0xd6); + regmap_write(rt711->regmap, 0x4d13, 0x11); + regmap_write(rt711->regmap, 0x4c13, 0x21); + regmap_write(rt711->regmap, 0x4c21, 0xf0); + regmap_write(rt711->regmap, 0x4d21, 0x11); + regmap_write(rt711->regmap, 0x4e21, 0x11); + regmap_write(rt711->regmap, 0x4f21, 0x01); + + /* Data port arrangement */ + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + RT711_TX_RX_MUX_CTL, 0x0154); + + /* Set index */ + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + RT711_DIGITAL_MISC_CTRL4, 0x201b); + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + RT711_COMBO_JACK_AUTO_CTL1, 0x5089); + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + RT711_VREFOUT_CTL, 0x5064); + rt711_index_write(rt711->regmap, RT711_VENDOR_REG, + RT711_INLINE_CMD_CTL, 0xd249); + + /* Finish Initial Settings, set power to D3 */ + regmap_write(rt711->regmap, RT711_SET_AUDIO_POWER_STATE, AC_PWRST_D3); + + if (rt711->first_hw_init) + rt711_calibration(rt711); + else + schedule_work(&rt711->calibration_work); + + /* + * if set_jack callback occurred early than io_init, + * we set up the jack detection function now + */ + if (rt711->hs_jack) + rt711_jack_init(rt711); + + if (rt711->first_hw_init) { + regcache_cache_bypass(rt711->regmap, false); + regcache_mark_dirty(rt711->regmap); + } else + rt711->first_hw_init = true; + + /* Mark Slave initialization complete */ + rt711->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 RT711 SDW driver"); +MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); +MODULE_LICENSE("GPL"); |