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1240 lines
32 KiB
1240 lines
32 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// rt700.c -- rt700 ALSA SoC audio driver |
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// |
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// Copyright(c) 2019 Realtek Semiconductor Corp. |
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// |
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// |
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#include <linux/module.h> |
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#include <linux/moduleparam.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/delay.h> |
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#include <linux/pm_runtime.h> |
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#include <linux/pm.h> |
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#include <linux/soundwire/sdw.h> |
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#include <linux/regmap.h> |
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#include <linux/slab.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/soc.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/initval.h> |
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#include <sound/tlv.h> |
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#include <sound/hda_verbs.h> |
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#include <sound/jack.h> |
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#include "rt700.h" |
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static int rt700_index_write(struct regmap *regmap, |
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unsigned int reg, unsigned int value) |
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{ |
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int ret; |
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unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg; |
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ret = regmap_write(regmap, addr, value); |
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if (ret < 0) |
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pr_err("Failed to set private value: %06x <= %04x ret=%d\n", |
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addr, value, ret); |
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return ret; |
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} |
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static int rt700_index_read(struct regmap *regmap, |
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unsigned int reg, unsigned int *value) |
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{ |
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int ret; |
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unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg; |
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*value = 0; |
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ret = regmap_read(regmap, addr, value); |
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if (ret < 0) |
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pr_err("Failed to get private value: %06x => %04x ret=%d\n", |
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addr, *value, ret); |
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return ret; |
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} |
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static unsigned int rt700_button_detect(struct rt700_priv *rt700) |
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{ |
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unsigned int btn_type = 0, val80, val81; |
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int ret; |
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ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80); |
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if (ret < 0) |
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goto read_error; |
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ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81); |
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if (ret < 0) |
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goto read_error; |
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val80 &= 0x0381; |
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val81 &= 0xff00; |
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switch (val80) { |
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case 0x0200: |
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case 0x0100: |
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case 0x0080: |
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btn_type |= SND_JACK_BTN_0; |
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break; |
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case 0x0001: |
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btn_type |= SND_JACK_BTN_3; |
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break; |
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} |
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switch (val81) { |
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case 0x8000: |
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case 0x4000: |
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case 0x2000: |
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btn_type |= SND_JACK_BTN_1; |
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break; |
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case 0x1000: |
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case 0x0800: |
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case 0x0400: |
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btn_type |= SND_JACK_BTN_2; |
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break; |
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case 0x0200: |
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case 0x0100: |
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btn_type |= SND_JACK_BTN_3; |
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break; |
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} |
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read_error: |
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return btn_type; |
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} |
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static int rt700_headset_detect(struct rt700_priv *rt700) |
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{ |
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unsigned int buf, loop = 0; |
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int ret; |
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unsigned int jack_status = 0, reg; |
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ret = rt700_index_read(rt700->regmap, |
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RT700_COMBO_JACK_AUTO_CTL2, &buf); |
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if (ret < 0) |
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goto io_error; |
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while (loop < 500 && |
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(buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) { |
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loop++; |
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usleep_range(9000, 10000); |
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ret = rt700_index_read(rt700->regmap, |
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RT700_COMBO_JACK_AUTO_CTL2, &buf); |
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if (ret < 0) |
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goto io_error; |
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reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT; |
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ret = regmap_read(rt700->regmap, reg, &jack_status); |
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if ((jack_status & (1 << 31)) == 0) |
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goto remove_error; |
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} |
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if (loop >= 500) |
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goto to_error; |
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if (buf & RT700_COMBOJACK_AUTO_DET_TRS) |
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rt700->jack_type = SND_JACK_HEADPHONE; |
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else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) || |
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(buf & RT700_COMBOJACK_AUTO_DET_OMTP)) |
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rt700->jack_type = SND_JACK_HEADSET; |
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return 0; |
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to_error: |
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ret = -ETIMEDOUT; |
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pr_err_ratelimited("Time-out error in %s\n", __func__); |
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return ret; |
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io_error: |
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pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); |
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return ret; |
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remove_error: |
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pr_err_ratelimited("Jack removal in %s\n", __func__); |
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return -ENODEV; |
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} |
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static void rt700_jack_detect_handler(struct work_struct *work) |
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{ |
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struct rt700_priv *rt700 = |
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container_of(work, struct rt700_priv, jack_detect_work.work); |
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int btn_type = 0, ret; |
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unsigned int jack_status = 0, reg; |
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if (!rt700->hs_jack) |
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return; |
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if (!rt700->component->card->instantiated) |
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return; |
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reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT; |
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ret = regmap_read(rt700->regmap, reg, &jack_status); |
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if (ret < 0) |
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goto io_error; |
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/* pin attached */ |
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if (jack_status & (1 << 31)) { |
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/* jack in */ |
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if (rt700->jack_type == 0) { |
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ret = rt700_headset_detect(rt700); |
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if (ret < 0) |
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return; |
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if (rt700->jack_type == SND_JACK_HEADSET) |
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btn_type = rt700_button_detect(rt700); |
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} else if (rt700->jack_type == SND_JACK_HEADSET) { |
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/* jack is already in, report button event */ |
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btn_type = rt700_button_detect(rt700); |
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} |
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} else { |
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/* jack out */ |
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rt700->jack_type = 0; |
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} |
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dev_dbg(&rt700->slave->dev, |
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"in %s, jack_type=0x%x\n", __func__, rt700->jack_type); |
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dev_dbg(&rt700->slave->dev, |
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"in %s, btn_type=0x%x\n", __func__, btn_type); |
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snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type, |
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SND_JACK_HEADSET | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3); |
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if (btn_type) { |
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/* button released */ |
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snd_soc_jack_report(rt700->hs_jack, rt700->jack_type, |
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SND_JACK_HEADSET | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3); |
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mod_delayed_work(system_power_efficient_wq, |
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&rt700->jack_btn_check_work, msecs_to_jiffies(200)); |
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} |
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return; |
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io_error: |
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pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); |
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} |
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static void rt700_btn_check_handler(struct work_struct *work) |
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{ |
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struct rt700_priv *rt700 = container_of(work, struct rt700_priv, |
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jack_btn_check_work.work); |
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int btn_type = 0, ret; |
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unsigned int jack_status = 0, reg; |
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reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT; |
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ret = regmap_read(rt700->regmap, reg, &jack_status); |
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if (ret < 0) |
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goto io_error; |
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/* pin attached */ |
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if (jack_status & (1 << 31)) { |
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if (rt700->jack_type == SND_JACK_HEADSET) { |
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/* jack is already in, report button event */ |
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btn_type = rt700_button_detect(rt700); |
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} |
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} else { |
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rt700->jack_type = 0; |
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} |
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/* cbj comparator */ |
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ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, ®); |
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if (ret < 0) |
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goto io_error; |
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if ((reg & 0xf0) == 0xf0) |
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btn_type = 0; |
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dev_dbg(&rt700->slave->dev, |
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"%s, btn_type=0x%x\n", __func__, btn_type); |
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snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type, |
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SND_JACK_HEADSET | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3); |
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if (btn_type) { |
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/* button released */ |
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snd_soc_jack_report(rt700->hs_jack, rt700->jack_type, |
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SND_JACK_HEADSET | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3); |
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mod_delayed_work(system_power_efficient_wq, |
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&rt700->jack_btn_check_work, msecs_to_jiffies(200)); |
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} |
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return; |
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io_error: |
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pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); |
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} |
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static void rt700_jack_init(struct rt700_priv *rt700) |
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{ |
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struct snd_soc_dapm_context *dapm = |
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snd_soc_component_get_dapm(rt700->component); |
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/* power on */ |
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if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) |
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regmap_write(rt700->regmap, |
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RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0); |
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if (rt700->hs_jack) { |
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/* Enable Jack Detection */ |
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regmap_write(rt700->regmap, |
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RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82); |
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regmap_write(rt700->regmap, |
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RT700_SET_HP_UNSOLICITED_ENABLE, 0x81); |
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regmap_write(rt700->regmap, |
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RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83); |
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rt700_index_write(rt700->regmap, 0x10, 0x2420); |
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rt700_index_write(rt700->regmap, 0x19, 0x2e11); |
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dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__); |
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mod_delayed_work(system_power_efficient_wq, |
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&rt700->jack_detect_work, msecs_to_jiffies(250)); |
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} else { |
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regmap_write(rt700->regmap, |
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RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00); |
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regmap_write(rt700->regmap, |
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RT700_SET_HP_UNSOLICITED_ENABLE, 0x00); |
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regmap_write(rt700->regmap, |
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RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00); |
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dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__); |
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} |
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/* power off */ |
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if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) |
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regmap_write(rt700->regmap, |
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RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3); |
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} |
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static int rt700_set_jack_detect(struct snd_soc_component *component, |
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struct snd_soc_jack *hs_jack, void *data) |
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{ |
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struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component); |
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rt700->hs_jack = hs_jack; |
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if (!rt700->hw_init) { |
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dev_dbg(&rt700->slave->dev, |
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"%s hw_init not ready yet\n", __func__); |
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return 0; |
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} |
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rt700_jack_init(rt700); |
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return 0; |
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} |
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static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h, |
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unsigned int addr_l, unsigned int val_h, |
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unsigned int *r_val, unsigned int *l_val) |
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{ |
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/* R Channel */ |
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*r_val = (val_h << 8); |
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regmap_read(rt700->regmap, addr_l, r_val); |
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/* L Channel */ |
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val_h |= 0x20; |
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*l_val = (val_h << 8); |
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regmap_read(rt700->regmap, addr_h, l_val); |
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} |
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/* For Verb-Set Amplifier Gain (Verb ID = 3h) */ |
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static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
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struct snd_soc_dapm_context *dapm = |
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snd_soc_component_get_dapm(component); |
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struct soc_mixer_control *mc = |
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(struct soc_mixer_control *)kcontrol->private_value; |
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struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component); |
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unsigned int addr_h, addr_l, val_h, val_ll, val_lr; |
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unsigned int read_ll, read_rl; |
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int i; |
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/* Can't use update bit function, so read the original value first */ |
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addr_h = mc->reg; |
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addr_l = mc->rreg; |
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if (mc->shift == RT700_DIR_OUT_SFT) /* output */ |
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val_h = 0x80; |
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else /* input */ |
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val_h = 0x0; |
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rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll); |
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/* L Channel */ |
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if (mc->invert) { |
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/* for mute */ |
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val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7; |
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/* keep gain */ |
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read_ll = read_ll & 0x7f; |
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val_ll |= read_ll; |
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} else { |
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/* for gain */ |
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val_ll = ((ucontrol->value.integer.value[0]) & 0x7f); |
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if (val_ll > mc->max) |
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val_ll = mc->max; |
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/* keep mute status */ |
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read_ll = read_ll & 0x80; |
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val_ll |= read_ll; |
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} |
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if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) |
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regmap_write(rt700->regmap, |
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RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0); |
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/* R Channel */ |
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if (mc->invert) { |
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/* for mute */ |
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val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7; |
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/* keep gain */ |
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read_rl = read_rl & 0x7f; |
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val_lr |= read_rl; |
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} else { |
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/* for gain */ |
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val_lr = ((ucontrol->value.integer.value[1]) & 0x7f); |
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if (val_lr > mc->max) |
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val_lr = mc->max; |
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/* keep mute status */ |
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read_rl = read_rl & 0x80; |
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val_lr |= read_rl; |
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} |
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for (i = 0; i < 3; i++) { /* retry 3 times at most */ |
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if (val_ll == val_lr) { |
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/* Set both L/R channels at the same time */ |
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val_h = (1 << mc->shift) | (3 << 4); |
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regmap_write(rt700->regmap, |
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addr_h, (val_h << 8 | val_ll)); |
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regmap_write(rt700->regmap, |
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addr_l, (val_h << 8 | val_ll)); |
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} else { |
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/* Lch*/ |
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val_h = (1 << mc->shift) | (1 << 5); |
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regmap_write(rt700->regmap, |
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addr_h, (val_h << 8 | val_ll)); |
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/* Rch */ |
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val_h = (1 << mc->shift) | (1 << 4); |
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regmap_write(rt700->regmap, |
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addr_l, (val_h << 8 | val_lr)); |
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} |
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/* check result */ |
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if (mc->shift == RT700_DIR_OUT_SFT) /* output */ |
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val_h = 0x80; |
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else /* input */ |
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val_h = 0x0; |
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rt700_get_gain(rt700, addr_h, addr_l, val_h, |
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&read_rl, &read_ll); |
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if (read_rl == val_lr && read_ll == val_ll) |
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break; |
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} |
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if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) |
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regmap_write(rt700->regmap, |
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RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3); |
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return 0; |
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} |
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static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
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struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component); |
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struct soc_mixer_control *mc = |
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(struct soc_mixer_control *)kcontrol->private_value; |
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unsigned int addr_h, addr_l, val_h; |
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unsigned int read_ll, read_rl; |
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|
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addr_h = mc->reg; |
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addr_l = mc->rreg; |
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if (mc->shift == RT700_DIR_OUT_SFT) /* output */ |
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val_h = 0x80; |
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else /* input */ |
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val_h = 0x0; |
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|
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rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll); |
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|
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if (mc->invert) { |
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/* for mute status */ |
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read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT); |
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read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT); |
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} else { |
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/* for gain */ |
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read_ll = read_ll & 0x7f; |
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read_rl = read_rl & 0x7f; |
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} |
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ucontrol->value.integer.value[0] = read_ll; |
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ucontrol->value.integer.value[1] = read_rl; |
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|
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return 0; |
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} |
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|
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static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0); |
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static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); |
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static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); |
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|
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static const struct snd_kcontrol_new rt700_snd_controls[] = { |
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SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume", |
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RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L, |
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RT700_DIR_OUT_SFT, 0x57, 0, |
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rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv), |
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SOC_DOUBLE_R_EXT("ADC 08 Capture Switch", |
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RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L, |
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RT700_DIR_IN_SFT, 1, 1, |
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rt700_set_amp_gain_get, rt700_set_amp_gain_put), |
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SOC_DOUBLE_R_EXT("ADC 09 Capture Switch", |
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RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L, |
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RT700_DIR_IN_SFT, 1, 1, |
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rt700_set_amp_gain_get, rt700_set_amp_gain_put), |
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SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume", |
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RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L, |
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RT700_DIR_IN_SFT, 0x3f, 0, |
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rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv), |
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SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume", |
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RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L, |
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RT700_DIR_IN_SFT, 0x3f, 0, |
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rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv), |
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SOC_DOUBLE_R_EXT_TLV("AMIC Volume", |
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RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L, |
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RT700_DIR_IN_SFT, 3, 0, |
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rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv), |
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}; |
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|
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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); |
|
|
|
rt700->component = component; |
|
|
|
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, |
|
}; |
|
|
|
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 struct snd_soc_dai_ops rt700_ops = { |
|
.hw_params = rt700_pcm_hw_params, |
|
.hw_free = rt700_pcm_hw_free, |
|
.set_sdw_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; |
|
|
|
/* |
|
* 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); |
|
|
|
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 (!rt700->first_hw_init) { |
|
INIT_DELAYED_WORK(&rt700->jack_detect_work, |
|
rt700_jack_detect_handler); |
|
INIT_DELAYED_WORK(&rt700->jack_btn_check_work, |
|
rt700_btn_check_handler); |
|
} |
|
|
|
/* |
|
* 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");
|
|
|