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Diffstat (limited to 'sound/soc/tegra/tegra_rt5677.c')
-rw-r--r--sound/soc/tegra/tegra_rt5677.c324
1 files changed, 0 insertions, 324 deletions
diff --git a/sound/soc/tegra/tegra_rt5677.c b/sound/soc/tegra/tegra_rt5677.c
deleted file mode 100644
index d30f8b6deda4..000000000000
--- a/sound/soc/tegra/tegra_rt5677.c
+++ /dev/null
@@ -1,324 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
-* tegra_rt5677.c - Tegra machine ASoC driver for boards using RT5677 codec.
- *
- * Copyright (c) 2014, The Chromium OS Authors. All rights reserved.
- *
- * Based on code copyright/by:
- *
- * Copyright (C) 2010-2012 - NVIDIA, Inc.
- * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
- * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
- * Copyright 2007 Wolfson Microelectronics PLC.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
-
-#include <sound/core.h>
-#include <sound/jack.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-
-#include "../codecs/rt5677.h"
-
-#include "tegra_asoc_utils.h"
-
-#define DRV_NAME "tegra-snd-rt5677"
-
-struct tegra_rt5677 {
- struct tegra_asoc_utils_data util_data;
- int gpio_hp_det;
- int gpio_hp_en;
- int gpio_mic_present;
- int gpio_dmic_clk_en;
-};
-
-static int tegra_rt5677_asoc_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
- struct snd_soc_card *card = rtd->card;
- struct tegra_rt5677 *machine = snd_soc_card_get_drvdata(card);
- int srate, mclk, err;
-
- srate = params_rate(params);
- mclk = 256 * srate;
-
- err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
- if (err < 0) {
- dev_err(card->dev, "Can't configure clocks\n");
- return err;
- }
-
- err = snd_soc_dai_set_sysclk(codec_dai, RT5677_SCLK_S_MCLK, mclk,
- SND_SOC_CLOCK_IN);
- if (err < 0) {
- dev_err(card->dev, "codec_dai clock not set\n");
- return err;
- }
-
- return 0;
-}
-
-static int tegra_rt5677_event_hp(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- struct snd_soc_dapm_context *dapm = w->dapm;
- struct snd_soc_card *card = dapm->card;
- struct tegra_rt5677 *machine = snd_soc_card_get_drvdata(card);
-
- if (!gpio_is_valid(machine->gpio_hp_en))
- return 0;
-
- gpio_set_value_cansleep(machine->gpio_hp_en,
- SND_SOC_DAPM_EVENT_ON(event));
-
- return 0;
-}
-
-static const struct snd_soc_ops tegra_rt5677_ops = {
- .hw_params = tegra_rt5677_asoc_hw_params,
-};
-
-static struct snd_soc_jack tegra_rt5677_hp_jack;
-
-static struct snd_soc_jack_pin tegra_rt5677_hp_jack_pins = {
- .pin = "Headphone",
- .mask = SND_JACK_HEADPHONE,
-};
-static struct snd_soc_jack_gpio tegra_rt5677_hp_jack_gpio = {
- .name = "Headphone detection",
- .report = SND_JACK_HEADPHONE,
- .debounce_time = 150,
-};
-
-static struct snd_soc_jack tegra_rt5677_mic_jack;
-
-static struct snd_soc_jack_pin tegra_rt5677_mic_jack_pins = {
- .pin = "Headset Mic",
- .mask = SND_JACK_MICROPHONE,
-};
-
-static struct snd_soc_jack_gpio tegra_rt5677_mic_jack_gpio = {
- .name = "Headset Mic detection",
- .report = SND_JACK_MICROPHONE,
- .debounce_time = 150,
- .invert = 1
-};
-
-static const struct snd_soc_dapm_widget tegra_rt5677_dapm_widgets[] = {
- SND_SOC_DAPM_SPK("Speaker", NULL),
- SND_SOC_DAPM_HP("Headphone", tegra_rt5677_event_hp),
- SND_SOC_DAPM_MIC("Headset Mic", NULL),
- SND_SOC_DAPM_MIC("Internal Mic 1", NULL),
- SND_SOC_DAPM_MIC("Internal Mic 2", NULL),
-};
-
-static const struct snd_kcontrol_new tegra_rt5677_controls[] = {
- SOC_DAPM_PIN_SWITCH("Speaker"),
- SOC_DAPM_PIN_SWITCH("Headphone"),
- SOC_DAPM_PIN_SWITCH("Headset Mic"),
- SOC_DAPM_PIN_SWITCH("Internal Mic 1"),
- SOC_DAPM_PIN_SWITCH("Internal Mic 2"),
-};
-
-static int tegra_rt5677_asoc_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct tegra_rt5677 *machine = snd_soc_card_get_drvdata(rtd->card);
-
- snd_soc_card_jack_new(rtd->card, "Headphone Jack", SND_JACK_HEADPHONE,
- &tegra_rt5677_hp_jack,
- &tegra_rt5677_hp_jack_pins, 1);
-
- if (gpio_is_valid(machine->gpio_hp_det)) {
- tegra_rt5677_hp_jack_gpio.gpio = machine->gpio_hp_det;
- snd_soc_jack_add_gpios(&tegra_rt5677_hp_jack, 1,
- &tegra_rt5677_hp_jack_gpio);
- }
-
-
- snd_soc_card_jack_new(rtd->card, "Mic Jack", SND_JACK_MICROPHONE,
- &tegra_rt5677_mic_jack,
- &tegra_rt5677_mic_jack_pins, 1);
-
- if (gpio_is_valid(machine->gpio_mic_present)) {
- tegra_rt5677_mic_jack_gpio.gpio = machine->gpio_mic_present;
- snd_soc_jack_add_gpios(&tegra_rt5677_mic_jack, 1,
- &tegra_rt5677_mic_jack_gpio);
- }
-
- snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "MICBIAS1");
-
- return 0;
-}
-
-SND_SOC_DAILINK_DEFS(pcm,
- DAILINK_COMP_ARRAY(COMP_EMPTY()),
- DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif1")),
- DAILINK_COMP_ARRAY(COMP_EMPTY()));
-
-static struct snd_soc_dai_link tegra_rt5677_dai = {
- .name = "RT5677",
- .stream_name = "RT5677 PCM",
- .init = tegra_rt5677_asoc_init,
- .ops = &tegra_rt5677_ops,
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS,
- SND_SOC_DAILINK_REG(pcm),
-};
-
-static struct snd_soc_card snd_soc_tegra_rt5677 = {
- .name = "tegra-rt5677",
- .owner = THIS_MODULE,
- .dai_link = &tegra_rt5677_dai,
- .num_links = 1,
- .controls = tegra_rt5677_controls,
- .num_controls = ARRAY_SIZE(tegra_rt5677_controls),
- .dapm_widgets = tegra_rt5677_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(tegra_rt5677_dapm_widgets),
- .fully_routed = true,
-};
-
-static int tegra_rt5677_probe(struct platform_device *pdev)
-{
- struct device_node *np = pdev->dev.of_node;
- struct snd_soc_card *card = &snd_soc_tegra_rt5677;
- struct tegra_rt5677 *machine;
- int ret;
-
- machine = devm_kzalloc(&pdev->dev,
- sizeof(struct tegra_rt5677), GFP_KERNEL);
- if (!machine)
- return -ENOMEM;
-
- card->dev = &pdev->dev;
- snd_soc_card_set_drvdata(card, machine);
-
- machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
- if (machine->gpio_hp_det == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- machine->gpio_mic_present = of_get_named_gpio(np,
- "nvidia,mic-present-gpios", 0);
- if (machine->gpio_mic_present == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- machine->gpio_hp_en = of_get_named_gpio(np, "nvidia,hp-en-gpios", 0);
- if (machine->gpio_hp_en == -EPROBE_DEFER)
- return -EPROBE_DEFER;
- if (gpio_is_valid(machine->gpio_hp_en)) {
- ret = devm_gpio_request_one(&pdev->dev, machine->gpio_hp_en,
- GPIOF_OUT_INIT_LOW, "hp_en");
- if (ret) {
- dev_err(card->dev, "cannot get hp_en gpio\n");
- return ret;
- }
- }
-
- machine->gpio_dmic_clk_en = of_get_named_gpio(np,
- "nvidia,dmic-clk-en-gpios", 0);
- if (machine->gpio_dmic_clk_en == -EPROBE_DEFER)
- return -EPROBE_DEFER;
- if (gpio_is_valid(machine->gpio_dmic_clk_en)) {
- ret = devm_gpio_request_one(&pdev->dev,
- machine->gpio_dmic_clk_en,
- GPIOF_OUT_INIT_HIGH, "dmic_clk_en");
- if (ret) {
- dev_err(card->dev, "cannot get dmic_clk_en gpio\n");
- return ret;
- }
- }
-
- ret = snd_soc_of_parse_card_name(card, "nvidia,model");
- if (ret)
- goto err;
-
- ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
- if (ret)
- goto err;
-
- tegra_rt5677_dai.codecs->of_node = of_parse_phandle(np,
- "nvidia,audio-codec", 0);
- if (!tegra_rt5677_dai.codecs->of_node) {
- dev_err(&pdev->dev,
- "Property 'nvidia,audio-codec' missing or invalid\n");
- ret = -EINVAL;
- goto err;
- }
-
- tegra_rt5677_dai.cpus->of_node = of_parse_phandle(np,
- "nvidia,i2s-controller", 0);
- if (!tegra_rt5677_dai.cpus->of_node) {
- dev_err(&pdev->dev,
- "Property 'nvidia,i2s-controller' missing or invalid\n");
- ret = -EINVAL;
- goto err_put_codec_of_node;
- }
- tegra_rt5677_dai.platforms->of_node = tegra_rt5677_dai.cpus->of_node;
-
- ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
- if (ret)
- goto err_put_cpu_of_node;
-
- ret = snd_soc_register_card(card);
- if (ret) {
- dev_err_probe(&pdev->dev, ret,
- "snd_soc_register_card failed\n");
- goto err_put_cpu_of_node;
- }
-
- return 0;
-
-err_put_cpu_of_node:
- of_node_put(tegra_rt5677_dai.cpus->of_node);
- tegra_rt5677_dai.cpus->of_node = NULL;
- tegra_rt5677_dai.platforms->of_node = NULL;
-err_put_codec_of_node:
- of_node_put(tegra_rt5677_dai.codecs->of_node);
- tegra_rt5677_dai.codecs->of_node = NULL;
-err:
- return ret;
-}
-
-static int tegra_rt5677_remove(struct platform_device *pdev)
-{
- struct snd_soc_card *card = platform_get_drvdata(pdev);
-
- snd_soc_unregister_card(card);
-
- tegra_rt5677_dai.platforms->of_node = NULL;
- of_node_put(tegra_rt5677_dai.codecs->of_node);
- tegra_rt5677_dai.codecs->of_node = NULL;
- of_node_put(tegra_rt5677_dai.cpus->of_node);
- tegra_rt5677_dai.cpus->of_node = NULL;
-
- return 0;
-}
-
-static const struct of_device_id tegra_rt5677_of_match[] = {
- { .compatible = "nvidia,tegra-audio-rt5677", },
- {},
-};
-
-static struct platform_driver tegra_rt5677_driver = {
- .driver = {
- .name = DRV_NAME,
- .pm = &snd_soc_pm_ops,
- .of_match_table = tegra_rt5677_of_match,
- },
- .probe = tegra_rt5677_probe,
- .remove = tegra_rt5677_remove,
-};
-module_platform_driver(tegra_rt5677_driver);
-
-MODULE_AUTHOR("Anatol Pomozov <anatol@google.com>");
-MODULE_DESCRIPTION("Tegra+RT5677 machine ASoC driver");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_DEVICE_TABLE(of, tegra_rt5677_of_match);