2015-08-02 23:21:12 -06:00
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/*
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* Copyright (C) 2015 Freescale Semiconductor, Inc.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/i2c.h>
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#include <linux/of_gpio.h>
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#include <linux/slab.h>
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#include <linux/gpio.h>
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#include <linux/clk.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#include <sound/control.h>
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#include <sound/pcm_params.h>
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#include <sound/soc-dapm.h>
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#include <linux/pinctrl/consumer.h>
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#include <linux/mfd/syscon.h>
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#include "../codecs/wm8960.h"
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#include "fsl_sai.h"
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struct imx_wm8960_data {
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struct snd_soc_card card;
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struct clk *codec_clk;
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unsigned int clk_frequency;
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bool is_codec_master;
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bool is_stream_in_use[2];
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bool is_stream_opened[2];
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struct regmap *gpr;
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unsigned int hp_det[2];
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u32 asrc_rate;
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u32 asrc_format;
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};
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struct imx_priv {
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int hp_set_gpio;
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int hp_active_low;
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struct snd_kcontrol *headset_kctl;
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struct snd_soc_codec *codec;
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struct platform_device *pdev;
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struct platform_device *asrc_pdev;
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struct snd_card *snd_card;
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};
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static struct imx_priv card_priv;
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static struct snd_soc_jack imx_hp_set;
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static struct snd_soc_jack_pin imx_hp_set_pins[] = {
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{
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.pin = "Headset Jack",
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.mask = SND_JACK_HEADSET,
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},
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};
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static struct snd_soc_jack_gpio imx_hp_set_gpio = {
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.name = "headset detect",
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.report = SND_JACK_HEADSET,
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.debounce_time = 250,
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.invert = 1,
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};
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static int hp_set_status_check(void *data)
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{
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struct imx_priv *priv = &card_priv;
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struct platform_device *pdev = priv->pdev;
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char *envp[3], *buf;
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int hp_status, ret;
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if (!gpio_is_valid(priv->hp_set_gpio))
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return 0;
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hp_status = gpio_get_value(priv->hp_set_gpio);
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buf = kmalloc(32, GFP_ATOMIC);
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if (!buf) {
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dev_err(&pdev->dev, "%s kmalloc failed\n", __func__);
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return -ENOMEM;
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}
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if (hp_status != priv->hp_active_low) {
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snprintf(buf, 32, "STATE=%d", 2);
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snd_soc_dapm_disable_pin(snd_soc_codec_get_dapm(priv->codec), "Ext Spk");
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snd_soc_dapm_disable_pin(snd_soc_codec_get_dapm(priv->codec), "Main MIC");
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ret = imx_hp_set_gpio.report;
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/*
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* As the hp MIC only connect the input for left channel, we
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* need to route it for right channel.
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*/
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snd_soc_update_bits(priv->codec, WM8960_ADDCTL1, 3<<2, 1<<2);
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snd_kctl_jack_report(priv->snd_card, priv->headset_kctl, 1);
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} else {
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snprintf(buf, 32, "STATE=%d", 0);
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snd_soc_dapm_enable_pin(snd_soc_codec_get_dapm(priv->codec), "Ext Spk");
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snd_soc_dapm_enable_pin(snd_soc_codec_get_dapm(priv->codec), "Main MIC");
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ret = 0;
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/*
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* As the Main MIC only connect the input for right channel,
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* we need to route it for left channel.
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*/
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snd_soc_update_bits(priv->codec, WM8960_ADDCTL1, 3<<2, 2<<2);
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snd_kctl_jack_report(priv->snd_card, priv->headset_kctl, 0);
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}
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envp[0] = "NAME=headset";
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envp[1] = buf;
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envp[2] = NULL;
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kobject_uevent_env(&pdev->dev.kobj, KOBJ_CHANGE, envp);
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kfree(buf);
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return ret;
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}
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static const struct snd_soc_dapm_widget imx_wm8960_dapm_widgets[] = {
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SND_SOC_DAPM_HP("Headset Jack", NULL),
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SND_SOC_DAPM_SPK("Ext Spk", NULL),
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SND_SOC_DAPM_MIC("Hp MIC", NULL),
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SND_SOC_DAPM_MIC("Main MIC", NULL),
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};
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static int imx_wm8960_gpio_init(struct snd_soc_card *card)
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{
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struct snd_soc_pcm_runtime *rtd = list_first_entry(
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&card->rtd_list, struct snd_soc_pcm_runtime, list);
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_codec *codec = codec_dai->codec;
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struct imx_priv *priv = &card_priv;
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int ret;
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priv->codec = codec;
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if (gpio_is_valid(priv->hp_set_gpio)) {
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imx_hp_set_gpio.gpio = priv->hp_set_gpio;
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imx_hp_set_gpio.jack_status_check = hp_set_status_check;
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ret = snd_soc_card_jack_new(card, "Headset Jack",
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SND_JACK_HEADSET, &imx_hp_set,
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imx_hp_set_pins, ARRAY_SIZE(imx_hp_set_pins));
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if (ret)
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return ret;
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ret = snd_soc_jack_add_gpios(&imx_hp_set, 1,
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&imx_hp_set_gpio);
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if (ret)
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return ret;
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}
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return 0;
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}
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static ssize_t headphone_show(struct device_driver *dev, char *buf)
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{
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struct imx_priv *priv = &card_priv;
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int hp_status;
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if (!gpio_is_valid(priv->hp_set_gpio)) {
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strcpy(buf, "no detect gpio connected\n");
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return strlen(buf);
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}
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/* Check if headphone is plugged in */
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hp_status = gpio_get_value(priv->hp_set_gpio);
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if (hp_status != priv->hp_active_low)
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strcpy(buf, "Headphone\n");
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else
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strcpy(buf, "Speaker\n");
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return strlen(buf);
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}
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static ssize_t micphone_show(struct device_driver *dev, char *buf)
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{
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struct imx_priv *priv = &card_priv;
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int hp_status;
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if (!gpio_is_valid(priv->hp_set_gpio)) {
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strcpy(buf, "no detect gpio connected\n");
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return strlen(buf);
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}
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/* Check if headphone is plugged in */
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hp_status = gpio_get_value(priv->hp_set_gpio);
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if (hp_status != priv->hp_active_low)
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strcpy(buf, "Hp MIC\n");
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else
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strcpy(buf, "Main MIC\n");
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return strlen(buf);
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}
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static DRIVER_ATTR_RO(headphone);
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static DRIVER_ATTR_RO(micphone);
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static void wm8960_init(struct snd_soc_card *card)
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{
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struct snd_soc_pcm_runtime *rtd = list_first_entry(
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&card->rtd_list, struct snd_soc_pcm_runtime, list);
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_codec *codec = codec_dai->codec;
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struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
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/*
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* codec ADCLRC pin configured as GPIO, DACLRC pin is used as a frame
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* clock for ADCs and DACs
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*/
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snd_soc_update_bits(codec, WM8960_IFACE2, 1<<6, 1<<6);
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/*
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* GPIO1 used as headphone detect output
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*/
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snd_soc_update_bits(codec, WM8960_ADDCTL4, 7<<4, 3<<4);
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/*
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* Enable headphone jack detect
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*/
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snd_soc_update_bits(codec, WM8960_ADDCTL2, 1<<6, 1<<6);
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snd_soc_update_bits(codec, WM8960_ADDCTL2, 1<<5, data->hp_det[1]<<5);
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snd_soc_update_bits(codec, WM8960_ADDCTL4, 3<<2, data->hp_det[0]<<2);
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snd_soc_update_bits(codec, WM8960_ADDCTL1, 3, 3);
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/*
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* route left channel to right channel in default.
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*/
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snd_soc_update_bits(codec, WM8960_ADDCTL1, 3<<2, 1<<2);
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}
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static int imx_hifi_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_card *card = rtd->card;
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struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
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bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
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struct device *dev = card->dev;
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unsigned int sample_rate = params_rate(params);
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unsigned int pll_out;
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unsigned int fmt;
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int ret = 0;
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data->is_stream_in_use[tx] = true;
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if (data->is_stream_in_use[!tx])
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return 0;
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if (data->is_codec_master)
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fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBM_CFM;
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else
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fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS;
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/* set cpu DAI configuration */
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ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
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if (ret) {
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dev_err(dev, "failed to set cpu dai fmt: %d\n", ret);
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return ret;
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}
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/* set codec DAI configuration */
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ret = snd_soc_dai_set_fmt(codec_dai, fmt);
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if (ret) {
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dev_err(dev, "failed to set codec dai fmt: %d\n", ret);
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return ret;
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}
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if (!data->is_codec_master) {
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ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2, params_width(params));
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if (ret) {
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dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret);
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return ret;
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}
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT);
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if (ret) {
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dev_err(dev, "failed to set cpu sysclk: %d\n", ret);
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return ret;
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}
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return 0;
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} else {
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ret = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_IN);
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if (ret) {
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dev_err(dev, "failed to set cpu sysclk: %d\n", ret);
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return ret;
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}
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}
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data->clk_frequency = clk_get_rate(data->codec_clk);
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/* Set codec pll */
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if (params_width(params) == 24)
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pll_out = sample_rate * 768;
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else
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pll_out = sample_rate * 512;
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ret = snd_soc_dai_set_pll(codec_dai, WM8960_SYSCLK_AUTO, 0, data->clk_frequency, pll_out);
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if (ret)
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return ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, WM8960_SYSCLK_AUTO, pll_out, 0);
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return ret;
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}
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static int imx_hifi_hw_free(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_card *card = rtd->card;
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struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
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bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
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2015-11-26 19:53:09 -07:00
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struct device *dev = card->dev;
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int ret;
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2015-08-02 23:21:12 -06:00
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data->is_stream_in_use[tx] = false;
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/* Power down PLL to save power*/
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if (data->is_codec_master && !data->is_stream_in_use[!tx]) {
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snd_soc_dai_set_pll(codec_dai, 0, 0, 0, 0);
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2015-11-26 19:53:09 -07:00
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ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF);
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if (ret)
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dev_warn(dev, "failed to set codec dai fmt: %d\n", ret);
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2015-08-02 23:21:12 -06:00
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}
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return 0;
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}
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static u32 imx_wm8960_rates[] = { 8000, 16000, 32000, 48000 };
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static struct snd_pcm_hw_constraint_list imx_wm8960_rate_constraints = {
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.count = ARRAY_SIZE(imx_wm8960_rates),
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.list = imx_wm8960_rates,
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};
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static int imx_hifi_startup(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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|
|
struct snd_soc_card *card = rtd->card;
|
|
|
|
struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
|
|
|
|
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
|
|
|
|
struct fsl_sai *sai = dev_get_drvdata(cpu_dai->dev);
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
data->is_stream_opened[tx] = true;
|
|
|
|
if (data->is_stream_opened[tx] != sai->is_stream_opened[tx] ||
|
|
|
|
data->is_stream_opened[!tx] != sai->is_stream_opened[!tx]) {
|
|
|
|
data->is_stream_opened[tx] = false;
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!data->is_codec_master) {
|
|
|
|
ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
|
|
|
|
SNDRV_PCM_HW_PARAM_RATE, &imx_wm8960_rate_constraints);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = clk_prepare_enable(data->codec_clk);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(card->dev, "Failed to enable MCLK: %d\n", ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void imx_hifi_shutdown(struct snd_pcm_substream *substream)
|
|
|
|
{
|
|
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
|
|
struct snd_soc_card *card = rtd->card;
|
|
|
|
struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
|
|
|
|
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
|
|
|
|
|
|
|
|
clk_disable_unprepare(data->codec_clk);
|
|
|
|
|
|
|
|
data->is_stream_opened[tx] = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_ops imx_hifi_ops = {
|
|
|
|
.hw_params = imx_hifi_hw_params,
|
|
|
|
.hw_free = imx_hifi_hw_free,
|
|
|
|
.startup = imx_hifi_startup,
|
|
|
|
.shutdown = imx_hifi_shutdown,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int imx_wm8960_late_probe(struct snd_soc_card *card)
|
|
|
|
{
|
|
|
|
struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* set SAI2_MCLK_DIR to enable codec MCLK
|
|
|
|
*/
|
|
|
|
if (data->gpr)
|
|
|
|
regmap_update_bits(data->gpr, 4, 1<<20, 1<<20);
|
|
|
|
|
|
|
|
wm8960_init(card);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
|
|
|
|
struct snd_pcm_hw_params *params)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = rtd->card;
|
|
|
|
struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card);
|
|
|
|
struct imx_priv *priv = &card_priv;
|
|
|
|
struct snd_interval *rate;
|
|
|
|
struct snd_mask *mask;
|
|
|
|
|
|
|
|
if (!priv->asrc_pdev)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
|
|
|
|
rate->max = rate->min = data->asrc_rate;
|
|
|
|
|
|
|
|
mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
|
|
|
|
snd_mask_none(mask);
|
|
|
|
snd_mask_set(mask, data->asrc_format);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct snd_soc_dai_link imx_wm8960_dai[] = {
|
|
|
|
{
|
|
|
|
.name = "HiFi",
|
|
|
|
.stream_name = "HiFi",
|
|
|
|
.codec_dai_name = "wm8960-hifi",
|
|
|
|
.ops = &imx_hifi_ops,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "HiFi-ASRC-FE",
|
|
|
|
.stream_name = "HiFi-ASRC-FE",
|
|
|
|
.codec_name = "snd-soc-dummy",
|
|
|
|
.codec_dai_name = "snd-soc-dummy-dai",
|
|
|
|
.dynamic = 1,
|
|
|
|
.ignore_pmdown_time = 1,
|
|
|
|
.dpcm_playback = 1,
|
|
|
|
.dpcm_capture = 1,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = "HiFi-ASRC-BE",
|
|
|
|
.stream_name = "HiFi-ASRC-BE",
|
|
|
|
.codec_dai_name = "wm8960-hifi",
|
|
|
|
.platform_name = "snd-soc-dummy",
|
|
|
|
.no_pcm = 1,
|
|
|
|
.ignore_pmdown_time = 1,
|
|
|
|
.dpcm_playback = 1,
|
|
|
|
.dpcm_capture = 1,
|
|
|
|
.ops = &imx_hifi_ops,
|
|
|
|
.be_hw_params_fixup = be_hw_params_fixup,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static int imx_wm8960_probe(struct platform_device *pdev)
|
|
|
|
{
|
2015-11-26 19:53:09 -07:00
|
|
|
struct device_node *cpu_np, *codec_np = NULL;
|
|
|
|
struct device_node *gpr_np;
|
2015-08-02 23:21:12 -06:00
|
|
|
struct platform_device *cpu_pdev;
|
|
|
|
struct imx_priv *priv = &card_priv;
|
|
|
|
struct i2c_client *codec_dev;
|
|
|
|
struct imx_wm8960_data *data;
|
|
|
|
struct platform_device *asrc_pdev = NULL;
|
|
|
|
struct device_node *asrc_np;
|
|
|
|
u32 width;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
priv->pdev = pdev;
|
|
|
|
|
|
|
|
cpu_np = of_parse_phandle(pdev->dev.of_node, "cpu-dai", 0);
|
|
|
|
if (!cpu_np) {
|
|
|
|
dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
|
|
|
|
if (!codec_np) {
|
|
|
|
dev_err(&pdev->dev, "phandle missing or invalid\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
cpu_pdev = of_find_device_by_node(cpu_np);
|
|
|
|
if (!cpu_pdev) {
|
|
|
|
dev_err(&pdev->dev, "failed to find SAI platform device\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
codec_dev = of_find_i2c_device_by_node(codec_np);
|
|
|
|
if (!codec_dev || !codec_dev->dev.driver) {
|
|
|
|
dev_err(&pdev->dev, "failed to find codec platform device\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
|
|
|
|
if (!data) {
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (of_property_read_bool(pdev->dev.of_node, "codec-master"))
|
|
|
|
data->is_codec_master = true;
|
|
|
|
|
|
|
|
data->codec_clk = devm_clk_get(&codec_dev->dev, "mclk");
|
|
|
|
if (IS_ERR(data->codec_clk)) {
|
|
|
|
ret = PTR_ERR(data->codec_clk);
|
|
|
|
dev_err(&pdev->dev, "failed to get codec clk: %d\n", ret);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
gpr_np = of_parse_phandle(pdev->dev.of_node, "gpr", 0);
|
|
|
|
if (gpr_np) {
|
|
|
|
data->gpr = syscon_node_to_regmap(gpr_np);
|
|
|
|
if (IS_ERR(data->gpr)) {
|
|
|
|
ret = PTR_ERR(data->gpr);
|
|
|
|
dev_err(&pdev->dev, "failed to get gpr regmap\n");
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
of_property_read_u32_array(pdev->dev.of_node, "hp-det", data->hp_det, 2);
|
|
|
|
|
|
|
|
asrc_np = of_parse_phandle(pdev->dev.of_node, "asrc-controller", 0);
|
|
|
|
if (asrc_np) {
|
|
|
|
asrc_pdev = of_find_device_by_node(asrc_np);
|
|
|
|
priv->asrc_pdev = asrc_pdev;
|
|
|
|
}
|
|
|
|
|
|
|
|
data->card.dai_link = imx_wm8960_dai;
|
|
|
|
|
|
|
|
imx_wm8960_dai[0].codec_of_node = codec_np;
|
|
|
|
imx_wm8960_dai[0].cpu_dai_name = dev_name(&cpu_pdev->dev);
|
|
|
|
imx_wm8960_dai[0].platform_of_node = cpu_np;
|
|
|
|
|
|
|
|
if (!asrc_pdev) {
|
|
|
|
data->card.num_links = 1;
|
|
|
|
} else {
|
|
|
|
imx_wm8960_dai[1].cpu_of_node = asrc_np;
|
|
|
|
imx_wm8960_dai[1].platform_of_node = asrc_np;
|
|
|
|
imx_wm8960_dai[2].codec_of_node = codec_np;
|
|
|
|
imx_wm8960_dai[2].cpu_dai_name = dev_name(&cpu_pdev->dev);
|
|
|
|
data->card.num_links = 3;
|
|
|
|
|
|
|
|
ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",
|
|
|
|
&data->asrc_rate);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "failed to get output rate\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "failed to get output rate\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (width == 24)
|
|
|
|
data->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
|
|
|
|
else
|
|
|
|
data->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
|
|
|
|
}
|
|
|
|
|
|
|
|
data->card.dev = &pdev->dev;
|
|
|
|
ret = snd_soc_of_parse_card_name(&data->card, "model");
|
|
|
|
if (ret)
|
|
|
|
goto fail;
|
|
|
|
data->card.dapm_widgets = imx_wm8960_dapm_widgets;
|
|
|
|
data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8960_dapm_widgets);
|
|
|
|
|
|
|
|
ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
|
|
|
|
if (ret)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
data->card.late_probe = imx_wm8960_late_probe;
|
|
|
|
|
|
|
|
platform_set_drvdata(pdev, &data->card);
|
|
|
|
snd_soc_card_set_drvdata(&data->card, data);
|
|
|
|
ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->snd_card = data->card.snd_card;
|
|
|
|
|
|
|
|
priv->hp_set_gpio = of_get_named_gpio_flags(pdev->dev.of_node, "hp-det-gpios", 0,
|
|
|
|
(enum of_gpio_flags *)&priv->hp_active_low);
|
|
|
|
if (IS_ERR(ERR_PTR(priv->hp_set_gpio)))
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
priv->headset_kctl = snd_kctl_jack_new("Headset", priv->snd_card);
|
|
|
|
ret = snd_ctl_add(data->card.snd_card, priv->headset_kctl);
|
|
|
|
if (ret)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
ret = imx_wm8960_gpio_init(&data->card);
|
|
|
|
|
|
|
|
if (gpio_is_valid(priv->hp_set_gpio)) {
|
|
|
|
ret = driver_create_file(pdev->dev.driver, &driver_attr_headphone);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "create hp attr failed (%d)\n", ret);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
ret = driver_create_file(pdev->dev.driver, &driver_attr_micphone);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(&pdev->dev, "create mic attr failed (%d)\n", ret);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
fail:
|
|
|
|
if (cpu_np)
|
|
|
|
of_node_put(cpu_np);
|
|
|
|
if (codec_np)
|
|
|
|
of_node_put(codec_np);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct of_device_id imx_wm8960_dt_ids[] = {
|
|
|
|
{ .compatible = "fsl,imx-audio-wm8960", },
|
|
|
|
{ /* sentinel */ }
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, imx_wm8960_dt_ids);
|
|
|
|
|
|
|
|
static struct platform_driver imx_wm8960_driver = {
|
|
|
|
.driver = {
|
|
|
|
.name = "imx-wm8960",
|
|
|
|
.pm = &snd_soc_pm_ops,
|
|
|
|
.of_match_table = imx_wm8960_dt_ids,
|
|
|
|
},
|
|
|
|
.probe = imx_wm8960_probe,
|
|
|
|
};
|
|
|
|
module_platform_driver(imx_wm8960_driver);
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
|
|
|
|
MODULE_DESCRIPTION("Freescale i.MX WM8960 ASoC machine driver");
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
|
|
MODULE_ALIAS("platform:imx-wm8960");
|