2012-04-09 08:17:50 +04:00
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/*
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* ASoC simple sound card support
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*
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* Copyright (C) 2012 Renesas Solutions Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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2013-11-20 10:25:02 +04:00
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#include <linux/clk.h>
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2014-02-14 05:34:36 +04:00
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#include <linux/device.h>
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2014-10-02 01:25:20 +04:00
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#include <linux/gpio.h>
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2012-04-09 08:17:50 +04:00
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#include <linux/module.h>
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2013-11-20 10:25:02 +04:00
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#include <linux/of.h>
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2014-10-02 01:25:20 +04:00
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#include <linux/of_gpio.h>
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2012-04-09 08:17:50 +04:00
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#include <linux/platform_device.h>
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2014-01-14 08:35:32 +04:00
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#include <linux/string.h>
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2014-10-02 01:25:20 +04:00
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#include <sound/jack.h>
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2012-04-09 08:17:50 +04:00
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#include <sound/simple_card.h>
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2014-02-14 05:34:36 +04:00
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#include <sound/soc-dai.h>
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#include <sound/soc.h>
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2012-04-09 08:17:50 +04:00
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2014-01-15 19:51:56 +04:00
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struct simple_card_data {
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struct snd_soc_card snd_card;
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2014-03-20 13:52:41 +04:00
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struct simple_dai_props {
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struct asoc_simple_dai cpu_dai;
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struct asoc_simple_dai codec_dai;
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} *dai_props;
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2014-05-22 19:31:49 +04:00
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unsigned int mclk_fs;
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2014-10-02 01:25:20 +04:00
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int gpio_hp_det;
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2014-11-01 06:22:18 +03:00
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int gpio_hp_det_invert;
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2014-10-02 01:25:20 +04:00
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int gpio_mic_det;
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2014-11-01 06:22:18 +03:00
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int gpio_mic_det_invert;
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2014-03-20 13:52:41 +04:00
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struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
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2014-01-15 19:51:56 +04:00
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};
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2014-09-10 08:37:57 +04:00
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#define simple_priv_to_dev(priv) ((priv)->snd_card.dev)
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2014-09-10 08:38:24 +04:00
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#define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + i)
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#define simple_priv_to_props(priv, i) ((priv)->dai_props + i)
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2014-09-10 08:37:57 +04:00
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2015-01-13 22:16:34 +03:00
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static int asoc_simple_card_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 simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
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struct simple_dai_props *dai_props =
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&priv->dai_props[rtd - rtd->card->rtd];
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int ret;
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ret = clk_prepare_enable(dai_props->cpu_dai.clk);
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if (ret)
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return ret;
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ret = clk_prepare_enable(dai_props->codec_dai.clk);
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if (ret)
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clk_disable_unprepare(dai_props->cpu_dai.clk);
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return ret;
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}
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static void asoc_simple_card_shutdown(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 simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
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struct simple_dai_props *dai_props =
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&priv->dai_props[rtd - rtd->card->rtd];
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clk_disable_unprepare(dai_props->cpu_dai.clk);
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clk_disable_unprepare(dai_props->codec_dai.clk);
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}
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2014-05-22 19:31:49 +04:00
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static int asoc_simple_card_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 simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
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unsigned int mclk;
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int ret = 0;
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if (priv->mclk_fs) {
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mclk = params_rate(params) * priv->mclk_fs;
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ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
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SND_SOC_CLOCK_IN);
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}
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return ret;
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}
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static struct snd_soc_ops asoc_simple_card_ops = {
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2015-01-13 22:16:34 +03:00
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.startup = asoc_simple_card_startup,
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.shutdown = asoc_simple_card_shutdown,
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2014-05-22 19:31:49 +04:00
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.hw_params = asoc_simple_card_hw_params,
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};
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2014-10-02 01:25:20 +04:00
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static struct snd_soc_jack simple_card_hp_jack;
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static struct snd_soc_jack_pin simple_card_hp_jack_pins[] = {
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{
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.pin = "Headphones",
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.mask = SND_JACK_HEADPHONE,
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},
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};
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static struct snd_soc_jack_gpio simple_card_hp_jack_gpio = {
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.name = "Headphone detection",
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.report = SND_JACK_HEADPHONE,
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.debounce_time = 150,
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};
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static struct snd_soc_jack simple_card_mic_jack;
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static struct snd_soc_jack_pin simple_card_mic_jack_pins[] = {
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{
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.pin = "Mic Jack",
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.mask = SND_JACK_MICROPHONE,
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},
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};
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static struct snd_soc_jack_gpio simple_card_mic_jack_gpio = {
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.name = "Mic detection",
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.report = SND_JACK_MICROPHONE,
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.debounce_time = 150,
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};
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2013-01-11 04:49:11 +04:00
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static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
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2014-01-24 11:43:01 +04:00
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struct asoc_simple_dai *set)
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2013-01-11 04:49:11 +04:00
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{
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2014-01-24 11:43:00 +04:00
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int ret;
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2013-01-11 04:49:11 +04:00
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2014-01-24 11:43:01 +04:00
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if (set->fmt) {
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ret = snd_soc_dai_set_fmt(dai, set->fmt);
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2014-01-24 11:43:00 +04:00
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if (ret && ret != -ENOTSUPP) {
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dev_err(dai->dev, "simple-card: set_fmt error\n");
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goto err;
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}
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2013-10-18 09:46:49 +04:00
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}
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2014-01-24 11:43:00 +04:00
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if (set->sysclk) {
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2013-01-11 04:49:11 +04:00
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ret = snd_soc_dai_set_sysclk(dai, 0, set->sysclk, 0);
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2014-01-24 11:43:00 +04:00
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if (ret && ret != -ENOTSUPP) {
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dev_err(dai->dev, "simple-card: set_sysclk error\n");
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goto err;
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}
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}
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2014-02-14 05:34:36 +04:00
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if (set->slots) {
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ret = snd_soc_dai_set_tdm_slot(dai, 0, 0,
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set->slots,
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set->slot_width);
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if (ret && ret != -ENOTSUPP) {
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dev_err(dai->dev, "simple-card: set_tdm_slot error\n");
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goto err;
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}
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}
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2014-01-24 11:43:00 +04:00
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ret = 0;
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2013-01-11 04:49:11 +04:00
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2014-01-24 11:43:00 +04:00
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err:
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2013-01-11 04:49:11 +04:00
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return ret;
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}
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2012-04-09 08:17:50 +04:00
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static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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2014-04-24 15:14:00 +04:00
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struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
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2012-04-09 08:17:50 +04:00
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struct snd_soc_dai *codec = rtd->codec_dai;
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struct snd_soc_dai *cpu = rtd->cpu_dai;
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2014-03-20 14:49:55 +04:00
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struct simple_dai_props *dai_props;
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int num, ret;
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2012-04-09 08:17:50 +04:00
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2014-03-20 14:49:55 +04:00
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num = rtd - rtd->card->rtd;
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dai_props = &priv->dai_props[num];
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ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai);
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2013-01-11 04:49:11 +04:00
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if (ret < 0)
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return ret;
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2012-04-09 08:17:50 +04:00
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2014-03-20 14:49:55 +04:00
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ret = __asoc_simple_card_dai_init(cpu, &dai_props->cpu_dai);
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2013-01-11 04:49:11 +04:00
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if (ret < 0)
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return ret;
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2012-04-09 08:17:50 +04:00
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2014-10-02 01:25:20 +04:00
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if (gpio_is_valid(priv->gpio_hp_det)) {
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snd_soc_jack_new(codec->codec, "Headphones", SND_JACK_HEADPHONE,
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&simple_card_hp_jack);
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snd_soc_jack_add_pins(&simple_card_hp_jack,
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ARRAY_SIZE(simple_card_hp_jack_pins),
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simple_card_hp_jack_pins);
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simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det;
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2014-11-01 06:22:18 +03:00
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simple_card_hp_jack_gpio.invert = priv->gpio_hp_det_invert;
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2014-10-02 01:25:20 +04:00
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snd_soc_jack_add_gpios(&simple_card_hp_jack, 1,
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&simple_card_hp_jack_gpio);
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}
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if (gpio_is_valid(priv->gpio_mic_det)) {
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snd_soc_jack_new(codec->codec, "Mic Jack", SND_JACK_MICROPHONE,
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&simple_card_mic_jack);
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snd_soc_jack_add_pins(&simple_card_mic_jack,
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ARRAY_SIZE(simple_card_mic_jack_pins),
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simple_card_mic_jack_pins);
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simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det;
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2014-11-01 06:22:18 +03:00
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simple_card_mic_jack_gpio.invert = priv->gpio_mic_det_invert;
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2014-10-02 01:25:20 +04:00
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snd_soc_jack_add_gpios(&simple_card_mic_jack, 1,
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&simple_card_mic_jack_gpio);
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}
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2012-04-09 08:17:50 +04:00
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return 0;
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}
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2013-11-20 10:25:02 +04:00
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static int
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asoc_simple_card_sub_parse_of(struct device_node *np,
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struct asoc_simple_dai *dai,
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2014-08-18 11:00:15 +04:00
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struct device_node **p_node,
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2014-09-02 15:05:30 +04:00
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const char **name,
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int *args_count)
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2013-11-20 10:25:02 +04:00
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{
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2014-09-02 15:05:30 +04:00
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struct of_phandle_args args;
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2013-11-20 10:25:02 +04:00
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struct clk *clk;
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2014-06-13 14:04:36 +04:00
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u32 val;
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2013-11-20 10:25:02 +04:00
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int ret;
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/*
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2014-09-10 05:59:55 +04:00
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* Get node via "sound-dai = <&phandle port>"
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2013-11-20 10:25:02 +04:00
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* it will be used as xxx_of_node on soc_bind_dai_link()
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*/
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2014-09-02 15:05:30 +04:00
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ret = of_parse_phandle_with_args(np, "sound-dai",
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"#sound-dai-cells", 0, &args);
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if (ret)
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return ret;
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*p_node = args.np;
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if (args_count)
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*args_count = args.args_count;
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2013-11-20 10:25:02 +04:00
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2014-09-10 05:59:55 +04:00
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/* Get dai->name */
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2014-01-15 19:51:48 +04:00
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ret = snd_soc_of_get_dai_name(np, name);
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2013-11-20 10:25:02 +04:00
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if (ret < 0)
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2014-03-11 13:03:40 +04:00
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return ret;
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2013-11-20 10:25:02 +04:00
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2014-09-10 05:59:55 +04:00
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/* Parse TDM slot */
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2014-02-14 05:34:36 +04:00
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ret = snd_soc_of_parse_tdm_slot(np, &dai->slots, &dai->slot_width);
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if (ret)
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2014-03-11 13:03:40 +04:00
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return ret;
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2014-02-14 05:34:36 +04:00
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2013-11-20 10:25:02 +04:00
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/*
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2014-09-10 05:59:55 +04:00
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* Parse dai->sysclk come from "clocks = <&xxx>"
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* (if system has common clock)
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2013-11-20 10:25:02 +04:00
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* or "system-clock-frequency = <xxx>"
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2013-12-23 11:25:38 +04:00
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* or device's module clock.
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2013-11-20 10:25:02 +04:00
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*/
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2013-12-23 11:25:38 +04:00
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if (of_property_read_bool(np, "clocks")) {
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clk = of_clk_get(np, 0);
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if (IS_ERR(clk)) {
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ret = PTR_ERR(clk);
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2014-03-11 13:03:40 +04:00
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return ret;
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2013-12-23 11:25:38 +04:00
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}
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dai->sysclk = clk_get_rate(clk);
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2015-01-13 22:16:34 +03:00
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dai->clk = clk;
|
2014-06-13 14:04:36 +04:00
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} else if (!of_property_read_u32(np, "system-clock-frequency", &val)) {
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dai->sysclk = val;
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2013-12-23 11:25:38 +04:00
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} else {
|
2014-09-08 15:14:05 +04:00
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clk = of_clk_get(args.np, 0);
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2014-01-06 08:34:36 +04:00
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if (!IS_ERR(clk))
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dai->sysclk = clk_get_rate(clk);
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2013-12-23 11:25:38 +04:00
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}
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2013-11-20 10:25:02 +04:00
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2014-03-11 13:03:40 +04:00
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return 0;
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2013-11-20 10:25:02 +04:00
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}
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2014-10-28 04:04:52 +03:00
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static int asoc_simple_card_parse_daifmt(struct device_node *node,
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struct simple_card_data *priv,
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struct device_node *codec,
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char *prefix, int idx)
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{
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struct device *dev = simple_priv_to_dev(priv);
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struct device_node *bitclkmaster = NULL;
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struct device_node *framemaster = NULL;
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struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
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struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai;
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struct asoc_simple_dai *codec_dai = &dai_props->codec_dai;
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unsigned int daifmt;
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daifmt = snd_soc_of_parse_daifmt(node, prefix,
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&bitclkmaster, &framemaster);
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daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
|
|
|
|
|
|
|
|
if (strlen(prefix) && !bitclkmaster && !framemaster) {
|
|
|
|
/*
|
|
|
|
* No dai-link level and master setting was not found from
|
|
|
|
* sound node level, revert back to legacy DT parsing and
|
|
|
|
* take the settings from codec node.
|
|
|
|
*/
|
|
|
|
dev_dbg(dev, "Revert to legacy daifmt parsing\n");
|
|
|
|
|
|
|
|
cpu_dai->fmt = codec_dai->fmt =
|
|
|
|
snd_soc_of_parse_daifmt(codec, NULL, NULL, NULL) |
|
|
|
|
(daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK);
|
|
|
|
} else {
|
|
|
|
if (codec == bitclkmaster)
|
|
|
|
daifmt |= (codec == framemaster) ?
|
|
|
|
SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS;
|
|
|
|
else
|
|
|
|
daifmt |= (codec == framemaster) ?
|
|
|
|
SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS;
|
|
|
|
|
|
|
|
cpu_dai->fmt = daifmt;
|
|
|
|
codec_dai->fmt = daifmt;
|
|
|
|
}
|
|
|
|
|
|
|
|
of_node_put(bitclkmaster);
|
|
|
|
of_node_put(framemaster);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-08-28 07:07:46 +04:00
|
|
|
static int asoc_simple_card_dai_link_of(struct device_node *node,
|
2014-09-10 08:37:57 +04:00
|
|
|
struct simple_card_data *priv,
|
2014-09-10 08:38:24 +04:00
|
|
|
int idx,
|
2014-08-28 07:07:46 +04:00
|
|
|
bool is_top_level_node)
|
2014-03-20 14:49:55 +04:00
|
|
|
{
|
2014-09-10 08:37:57 +04:00
|
|
|
struct device *dev = simple_priv_to_dev(priv);
|
2014-09-10 08:38:24 +04:00
|
|
|
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
|
|
|
|
struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
|
2014-10-28 04:04:52 +03:00
|
|
|
struct device_node *cpu = NULL;
|
|
|
|
struct device_node *codec = NULL;
|
2014-03-24 14:15:25 +04:00
|
|
|
char *name;
|
|
|
|
char prop[128];
|
|
|
|
char *prefix = "";
|
2014-09-02 15:05:30 +04:00
|
|
|
int ret, cpu_args;
|
2014-03-20 14:49:55 +04:00
|
|
|
|
2014-09-03 06:23:39 +04:00
|
|
|
/* For single DAI link & old style of DT node */
|
2014-04-24 20:42:00 +04:00
|
|
|
if (is_top_level_node)
|
|
|
|
prefix = "simple-audio-card,";
|
2014-03-24 14:15:25 +04:00
|
|
|
|
|
|
|
snprintf(prop, sizeof(prop), "%scpu", prefix);
|
2014-10-28 04:04:52 +03:00
|
|
|
cpu = of_get_child_by_name(node, prop);
|
|
|
|
|
|
|
|
snprintf(prop, sizeof(prop), "%scodec", prefix);
|
|
|
|
codec = of_get_child_by_name(node, prop);
|
|
|
|
|
|
|
|
if (!cpu || !codec) {
|
2014-03-24 14:15:25 +04:00
|
|
|
ret = -EINVAL;
|
2014-04-24 15:13:59 +04:00
|
|
|
dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
|
2014-03-24 14:15:25 +04:00
|
|
|
goto dai_link_of_err;
|
2014-03-20 14:49:55 +04:00
|
|
|
}
|
2014-03-24 14:15:25 +04:00
|
|
|
|
2014-10-28 04:04:52 +03:00
|
|
|
ret = asoc_simple_card_parse_daifmt(node, priv,
|
2014-11-25 15:22:45 +03:00
|
|
|
codec, prefix, idx);
|
2014-10-28 04:04:52 +03:00
|
|
|
if (ret < 0)
|
|
|
|
goto dai_link_of_err;
|
|
|
|
|
|
|
|
ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai,
|
2014-03-24 14:15:25 +04:00
|
|
|
&dai_link->cpu_of_node,
|
2014-09-02 15:05:30 +04:00
|
|
|
&dai_link->cpu_dai_name,
|
|
|
|
&cpu_args);
|
2014-03-20 14:49:55 +04:00
|
|
|
if (ret < 0)
|
2014-03-24 14:15:25 +04:00
|
|
|
goto dai_link_of_err;
|
|
|
|
|
2014-10-28 04:04:52 +03:00
|
|
|
ret = asoc_simple_card_sub_parse_of(codec, &dai_props->codec_dai,
|
2014-03-24 14:15:25 +04:00
|
|
|
&dai_link->codec_of_node,
|
2014-09-02 15:05:30 +04:00
|
|
|
&dai_link->codec_dai_name, NULL);
|
2014-03-24 14:15:25 +04:00
|
|
|
if (ret < 0)
|
|
|
|
goto dai_link_of_err;
|
|
|
|
|
|
|
|
if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) {
|
2014-04-24 15:14:00 +04:00
|
|
|
ret = -EINVAL;
|
|
|
|
goto dai_link_of_err;
|
2014-03-24 14:15:25 +04:00
|
|
|
}
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Simple Card assumes platform == cpu */
|
2014-03-24 14:15:25 +04:00
|
|
|
dai_link->platform_of_node = dai_link->cpu_of_node;
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* DAI link name is created from CPU/CODEC dai name */
|
2014-03-24 14:15:25 +04:00
|
|
|
name = devm_kzalloc(dev,
|
|
|
|
strlen(dai_link->cpu_dai_name) +
|
|
|
|
strlen(dai_link->codec_dai_name) + 2,
|
|
|
|
GFP_KERNEL);
|
|
|
|
sprintf(name, "%s-%s", dai_link->cpu_dai_name,
|
|
|
|
dai_link->codec_dai_name);
|
|
|
|
dai_link->name = dai_link->stream_name = name;
|
2014-05-22 19:31:49 +04:00
|
|
|
dai_link->ops = &asoc_simple_card_ops;
|
2014-08-28 07:08:27 +04:00
|
|
|
dai_link->init = asoc_simple_card_dai_init;
|
2014-03-24 14:15:25 +04:00
|
|
|
|
|
|
|
dev_dbg(dev, "\tname : %s\n", dai_link->stream_name);
|
|
|
|
dev_dbg(dev, "\tcpu : %s / %04x / %d\n",
|
|
|
|
dai_link->cpu_dai_name,
|
|
|
|
dai_props->cpu_dai.fmt,
|
|
|
|
dai_props->cpu_dai.sysclk);
|
|
|
|
dev_dbg(dev, "\tcodec : %s / %04x / %d\n",
|
|
|
|
dai_link->codec_dai_name,
|
|
|
|
dai_props->codec_dai.fmt,
|
|
|
|
dai_props->codec_dai.sysclk);
|
|
|
|
|
2014-08-28 07:08:06 +04:00
|
|
|
/*
|
2014-09-10 05:59:55 +04:00
|
|
|
* In soc_bind_dai_link() will check cpu name after
|
|
|
|
* of_node matching if dai_link has cpu_dai_name.
|
|
|
|
* but, it will never match if name was created by
|
|
|
|
* fmt_single_name() remove cpu_dai_name if cpu_args
|
|
|
|
* was 0. See:
|
2014-08-28 07:08:06 +04:00
|
|
|
* fmt_single_name()
|
|
|
|
* fmt_multiple_name()
|
|
|
|
*/
|
2014-09-02 15:05:30 +04:00
|
|
|
if (!cpu_args)
|
|
|
|
dai_link->cpu_dai_name = NULL;
|
2014-08-28 07:08:06 +04:00
|
|
|
|
2014-03-24 14:15:25 +04:00
|
|
|
dai_link_of_err:
|
2014-10-28 04:04:52 +03:00
|
|
|
of_node_put(cpu);
|
|
|
|
of_node_put(codec);
|
|
|
|
|
2014-03-20 14:49:55 +04:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2013-11-20 10:25:02 +04:00
|
|
|
static int asoc_simple_card_parse_of(struct device_node *node,
|
2014-09-10 08:37:57 +04:00
|
|
|
struct simple_card_data *priv)
|
2013-11-20 10:25:02 +04:00
|
|
|
{
|
2014-09-10 08:37:57 +04:00
|
|
|
struct device *dev = simple_priv_to_dev(priv);
|
2014-11-01 06:22:18 +03:00
|
|
|
enum of_gpio_flags flags;
|
2014-06-13 14:04:36 +04:00
|
|
|
u32 val;
|
2013-12-23 08:57:01 +04:00
|
|
|
int ret;
|
2013-11-20 10:25:02 +04:00
|
|
|
|
2014-09-03 06:23:39 +04:00
|
|
|
if (!node)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Parse the card name from DT */
|
2014-01-24 11:43:02 +04:00
|
|
|
snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name");
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* The off-codec widgets */
|
2014-02-08 11:59:53 +04:00
|
|
|
if (of_property_read_bool(node, "simple-audio-card,widgets")) {
|
|
|
|
ret = snd_soc_of_parse_audio_simple_widgets(&priv->snd_card,
|
|
|
|
"simple-audio-card,widgets");
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2013-12-23 08:57:01 +04:00
|
|
|
/* DAPM routes */
|
2014-01-07 05:15:16 +04:00
|
|
|
if (of_property_read_bool(node, "simple-audio-card,routing")) {
|
2014-01-15 19:52:00 +04:00
|
|
|
ret = snd_soc_of_parse_audio_routing(&priv->snd_card,
|
2014-01-07 05:15:16 +04:00
|
|
|
"simple-audio-card,routing");
|
2014-01-07 05:13:42 +04:00
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
2013-12-23 08:57:01 +04:00
|
|
|
|
2014-05-22 19:31:49 +04:00
|
|
|
/* Factor to mclk, used in hw_params() */
|
2014-06-13 14:04:36 +04:00
|
|
|
ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val);
|
|
|
|
if (ret == 0)
|
|
|
|
priv->mclk_fs = val;
|
2014-05-22 19:31:49 +04:00
|
|
|
|
2014-03-24 14:15:25 +04:00
|
|
|
dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ?
|
|
|
|
priv->snd_card.name : "");
|
|
|
|
|
2014-09-03 06:23:39 +04:00
|
|
|
/* Single/Muti DAI link(s) & New style of DT node */
|
|
|
|
if (of_get_child_by_name(node, "simple-audio-card,dai-link")) {
|
2014-03-24 14:15:25 +04:00
|
|
|
struct device_node *np = NULL;
|
2014-08-28 07:08:47 +04:00
|
|
|
int i = 0;
|
|
|
|
|
|
|
|
for_each_child_of_node(node, np) {
|
2014-03-24 14:15:25 +04:00
|
|
|
dev_dbg(dev, "\tlink %d:\n", i);
|
2014-09-10 08:37:57 +04:00
|
|
|
ret = asoc_simple_card_dai_link_of(np, priv,
|
2014-09-10 08:38:24 +04:00
|
|
|
i, false);
|
2014-03-24 14:15:25 +04:00
|
|
|
if (ret < 0) {
|
|
|
|
of_node_put(np);
|
|
|
|
return ret;
|
|
|
|
}
|
2014-08-28 07:08:47 +04:00
|
|
|
i++;
|
2014-03-20 14:49:55 +04:00
|
|
|
}
|
2014-03-24 14:15:25 +04:00
|
|
|
} else {
|
2014-09-03 06:23:39 +04:00
|
|
|
/* For single DAI link & old style of DT node */
|
2014-09-10 08:38:24 +04:00
|
|
|
ret = asoc_simple_card_dai_link_of(node, priv, 0, true);
|
2014-03-20 14:49:55 +04:00
|
|
|
if (ret < 0)
|
2014-03-24 14:15:25 +04:00
|
|
|
return ret;
|
2014-03-20 14:49:55 +04:00
|
|
|
}
|
2013-12-20 10:39:50 +04:00
|
|
|
|
2014-11-01 06:22:18 +03:00
|
|
|
priv->gpio_hp_det = of_get_named_gpio_flags(node,
|
|
|
|
"simple-audio-card,hp-det-gpio", 0, &flags);
|
|
|
|
priv->gpio_hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
|
2014-10-02 01:25:20 +04:00
|
|
|
if (priv->gpio_hp_det == -EPROBE_DEFER)
|
|
|
|
return -EPROBE_DEFER;
|
|
|
|
|
2014-11-01 06:22:18 +03:00
|
|
|
priv->gpio_mic_det = of_get_named_gpio_flags(node,
|
|
|
|
"simple-audio-card,mic-det-gpio", 0, &flags);
|
|
|
|
priv->gpio_mic_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
|
2014-10-02 01:25:20 +04:00
|
|
|
if (priv->gpio_mic_det == -EPROBE_DEFER)
|
|
|
|
return -EPROBE_DEFER;
|
|
|
|
|
2014-01-24 11:43:02 +04:00
|
|
|
if (!priv->snd_card.name)
|
2014-03-24 14:15:25 +04:00
|
|
|
priv->snd_card.name = priv->snd_card.dai_link->name;
|
2014-02-28 06:25:24 +04:00
|
|
|
|
2013-11-20 10:25:02 +04:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Decrease the reference count of the device nodes */
|
2015-01-13 23:03:37 +03:00
|
|
|
static int asoc_simple_card_unref(struct snd_soc_card *card)
|
2014-03-11 13:03:40 +04:00
|
|
|
{
|
|
|
|
struct snd_soc_dai_link *dai_link;
|
|
|
|
int num_links;
|
|
|
|
|
|
|
|
for (num_links = 0, dai_link = card->dai_link;
|
|
|
|
num_links < card->num_links;
|
|
|
|
num_links++, dai_link++) {
|
2014-11-09 14:38:56 +03:00
|
|
|
of_node_put(dai_link->cpu_of_node);
|
|
|
|
of_node_put(dai_link->codec_of_node);
|
2014-03-11 13:03:40 +04:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-04-09 08:17:50 +04:00
|
|
|
static int asoc_simple_card_probe(struct platform_device *pdev)
|
|
|
|
{
|
2014-01-15 19:51:56 +04:00
|
|
|
struct simple_card_data *priv;
|
2014-01-15 19:51:45 +04:00
|
|
|
struct snd_soc_dai_link *dai_link;
|
2013-11-20 10:25:02 +04:00
|
|
|
struct device_node *np = pdev->dev.of_node;
|
2012-12-26 10:52:33 +04:00
|
|
|
struct device *dev = &pdev->dev;
|
2014-09-03 06:23:39 +04:00
|
|
|
int num_links, ret;
|
2014-03-20 14:49:55 +04:00
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Get the number of DAI links */
|
2014-09-03 06:23:39 +04:00
|
|
|
if (np && of_get_child_by_name(np, "simple-audio-card,dai-link"))
|
2014-03-20 14:49:55 +04:00
|
|
|
num_links = of_get_child_count(np);
|
2014-09-03 06:23:39 +04:00
|
|
|
else
|
2014-03-20 14:49:55 +04:00
|
|
|
num_links = 1;
|
2012-04-09 08:17:50 +04:00
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Allocate the private data and the DAI link array */
|
2014-03-20 13:52:41 +04:00
|
|
|
priv = devm_kzalloc(dev,
|
2014-03-20 14:49:55 +04:00
|
|
|
sizeof(*priv) + sizeof(*dai_link) * num_links,
|
2014-03-20 13:52:41 +04:00
|
|
|
GFP_KERNEL);
|
2014-01-15 19:51:52 +04:00
|
|
|
if (!priv)
|
2014-01-14 08:35:32 +04:00
|
|
|
return -ENOMEM;
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Init snd_soc_card */
|
2014-01-15 19:51:52 +04:00
|
|
|
priv->snd_card.owner = THIS_MODULE;
|
|
|
|
priv->snd_card.dev = dev;
|
2014-03-20 13:52:41 +04:00
|
|
|
dai_link = priv->dai_link;
|
2014-01-15 19:51:52 +04:00
|
|
|
priv->snd_card.dai_link = dai_link;
|
2014-03-20 14:49:55 +04:00
|
|
|
priv->snd_card.num_links = num_links;
|
2014-01-15 19:51:41 +04:00
|
|
|
|
2014-10-07 17:09:26 +04:00
|
|
|
priv->gpio_hp_det = -ENOENT;
|
|
|
|
priv->gpio_mic_det = -ENOENT;
|
|
|
|
|
2014-09-10 05:59:55 +04:00
|
|
|
/* Get room for the other properties */
|
2014-03-20 13:52:41 +04:00
|
|
|
priv->dai_props = devm_kzalloc(dev,
|
2014-03-20 14:49:55 +04:00
|
|
|
sizeof(*priv->dai_props) * num_links,
|
2014-03-20 13:52:41 +04:00
|
|
|
GFP_KERNEL);
|
|
|
|
if (!priv->dai_props)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2013-11-20 10:25:02 +04:00
|
|
|
if (np && of_device_is_available(np)) {
|
2014-01-14 08:35:32 +04:00
|
|
|
|
2014-09-10 08:37:57 +04:00
|
|
|
ret = asoc_simple_card_parse_of(np, priv);
|
2014-01-14 08:35:32 +04:00
|
|
|
if (ret < 0) {
|
|
|
|
if (ret != -EPROBE_DEFER)
|
|
|
|
dev_err(dev, "parse error %d\n", ret);
|
2014-03-11 13:03:40 +04:00
|
|
|
goto err;
|
2013-11-20 10:25:02 +04:00
|
|
|
}
|
2014-03-20 14:49:55 +04:00
|
|
|
|
2013-11-20 10:25:02 +04:00
|
|
|
} else {
|
2014-01-15 19:51:52 +04:00
|
|
|
struct asoc_simple_card_info *cinfo;
|
|
|
|
|
|
|
|
cinfo = dev->platform_data;
|
|
|
|
if (!cinfo) {
|
2014-01-09 13:49:40 +04:00
|
|
|
dev_err(dev, "no info for asoc-simple-card\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2013-11-20 10:25:02 +04:00
|
|
|
|
2014-04-24 15:14:00 +04:00
|
|
|
if (!cinfo->name ||
|
|
|
|
!cinfo->codec_dai.name ||
|
|
|
|
!cinfo->codec ||
|
|
|
|
!cinfo->platform ||
|
2014-01-15 19:51:33 +04:00
|
|
|
!cinfo->cpu_dai.name) {
|
|
|
|
dev_err(dev, "insufficient asoc_simple_card_info settings\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
2014-01-15 19:51:37 +04:00
|
|
|
|
2014-03-10 06:37:56 +04:00
|
|
|
priv->snd_card.name = (cinfo->card) ? cinfo->card : cinfo->name;
|
2014-01-15 19:51:45 +04:00
|
|
|
dai_link->name = cinfo->name;
|
|
|
|
dai_link->stream_name = cinfo->name;
|
|
|
|
dai_link->platform_name = cinfo->platform;
|
|
|
|
dai_link->codec_name = cinfo->codec;
|
2014-01-15 19:51:48 +04:00
|
|
|
dai_link->cpu_dai_name = cinfo->cpu_dai.name;
|
|
|
|
dai_link->codec_dai_name = cinfo->codec_dai.name;
|
2014-08-28 07:08:27 +04:00
|
|
|
dai_link->init = asoc_simple_card_dai_init;
|
2014-03-20 13:52:41 +04:00
|
|
|
memcpy(&priv->dai_props->cpu_dai, &cinfo->cpu_dai,
|
|
|
|
sizeof(priv->dai_props->cpu_dai));
|
|
|
|
memcpy(&priv->dai_props->codec_dai, &cinfo->codec_dai,
|
|
|
|
sizeof(priv->dai_props->codec_dai));
|
2014-03-03 08:32:43 +04:00
|
|
|
|
2014-03-20 13:52:41 +04:00
|
|
|
priv->dai_props->cpu_dai.fmt |= cinfo->daifmt;
|
|
|
|
priv->dai_props->codec_dai.fmt |= cinfo->daifmt;
|
2012-04-09 08:17:50 +04:00
|
|
|
}
|
|
|
|
|
2014-01-15 19:51:52 +04:00
|
|
|
snd_soc_card_set_drvdata(&priv->snd_card, priv);
|
2012-04-09 08:17:50 +04:00
|
|
|
|
2014-03-11 13:03:40 +04:00
|
|
|
ret = devm_snd_soc_register_card(&pdev->dev, &priv->snd_card);
|
2014-09-01 10:46:52 +04:00
|
|
|
if (ret >= 0)
|
|
|
|
return ret;
|
2014-03-11 13:03:40 +04:00
|
|
|
|
|
|
|
err:
|
2015-01-13 23:03:37 +03:00
|
|
|
asoc_simple_card_unref(&priv->snd_card);
|
2014-03-11 13:03:40 +04:00
|
|
|
return ret;
|
2012-04-09 08:17:50 +04:00
|
|
|
}
|
|
|
|
|
2014-09-01 10:46:52 +04:00
|
|
|
static int asoc_simple_card_remove(struct platform_device *pdev)
|
|
|
|
{
|
2014-10-02 01:25:20 +04:00
|
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
struct simple_card_data *priv = snd_soc_card_get_drvdata(card);
|
|
|
|
|
|
|
|
if (gpio_is_valid(priv->gpio_hp_det))
|
|
|
|
snd_soc_jack_free_gpios(&simple_card_hp_jack, 1,
|
|
|
|
&simple_card_hp_jack_gpio);
|
|
|
|
if (gpio_is_valid(priv->gpio_mic_det))
|
|
|
|
snd_soc_jack_free_gpios(&simple_card_mic_jack, 1,
|
|
|
|
&simple_card_mic_jack_gpio);
|
|
|
|
|
2015-01-13 23:03:37 +03:00
|
|
|
return asoc_simple_card_unref(card);
|
2014-09-01 10:46:52 +04:00
|
|
|
}
|
|
|
|
|
2013-11-20 10:25:02 +04:00
|
|
|
static const struct of_device_id asoc_simple_of_match[] = {
|
|
|
|
{ .compatible = "simple-audio-card", },
|
|
|
|
{},
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, asoc_simple_of_match);
|
|
|
|
|
2012-04-09 08:17:50 +04:00
|
|
|
static struct platform_driver asoc_simple_card = {
|
|
|
|
.driver = {
|
2014-04-24 15:14:00 +04:00
|
|
|
.name = "asoc-simple-card",
|
2013-11-20 10:25:02 +04:00
|
|
|
.of_match_table = asoc_simple_of_match,
|
2012-04-09 08:17:50 +04:00
|
|
|
},
|
2014-04-24 15:14:00 +04:00
|
|
|
.probe = asoc_simple_card_probe,
|
2014-09-01 10:46:52 +04:00
|
|
|
.remove = asoc_simple_card_remove,
|
2012-04-09 08:17:50 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
module_platform_driver(asoc_simple_card);
|
|
|
|
|
2013-08-23 21:35:17 +04:00
|
|
|
MODULE_ALIAS("platform:asoc-simple-card");
|
2012-04-09 08:17:50 +04:00
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
MODULE_DESCRIPTION("ASoC Simple Sound Card");
|
|
|
|
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
|