--- /dev/null
+/*
+* tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
+ *
+ * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
+ * Copyright (C) 2012 - NVIDIA, Inc.
+ *
+ * Authors: Leon Romanovsky <leon@leon.nu>
+ * Andrey Danin <danindrey@mail.ru>
+ * Marc Dietrich <marvin24@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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/alc5632.h"
+
+#include "tegra_asoc_utils.h"
+
+#define DRV_NAME "tegra-alc5632"
+
+struct tegra_alc5632 {
+ struct tegra_asoc_utils_data util_data;
+ int gpio_hp_det;
+};
+
+static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_card *card = rtd->card;
+ struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
+ int srate, mclk;
+ int err;
+
+ srate = params_rate(params);
+ mclk = 512 * srate;
+
+ err = tegra_asoc_utils_set_rate(&alc5632->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, 0, mclk,
+ SND_SOC_CLOCK_IN);
+ if (err < 0) {
+ dev_err(card->dev, "codec_dai clock not set\n");
+ return err;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_ops tegra_alc5632_asoc_ops = {
+ .hw_params = tegra_alc5632_asoc_hw_params,
+};
+
+static struct snd_soc_jack tegra_alc5632_hs_jack;
+
+static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+ {
+ .pin = "Headset Stereophone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+};
+
+static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = {
+ .name = "Headset detection",
+ .report = SND_JACK_HEADSET,
+ .debounce_time = 150,
+};
+
+static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
+ SND_SOC_DAPM_SPK("Int Spk", NULL),
+ SND_SOC_DAPM_HP("Headset Stereophone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Digital Mic", NULL),
+};
+
+static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Int Spk"),
+};
+
+static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
+
+ snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET,
+ &tegra_alc5632_hs_jack,
+ tegra_alc5632_hs_jack_pins,
+ ARRAY_SIZE(tegra_alc5632_hs_jack_pins));
+
+ if (gpio_is_valid(machine->gpio_hp_det)) {
+ tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det;
+ snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack,
+ 1,
+ &tegra_alc5632_hp_jack_gpio);
+ }
+
+ snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "MICBIAS1");
+
+ return 0;
+}
+
+static int tegra_alc5632_card_remove(struct snd_soc_card *card)
+{
+ struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
+
+ if (gpio_is_valid(machine->gpio_hp_det)) {
+ snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, 1,
+ &tegra_alc5632_hp_jack_gpio);
+ }
+
+ return 0;
+}
+
+static struct snd_soc_dai_link tegra_alc5632_dai = {
+ .name = "ALC5632",
+ .stream_name = "ALC5632 PCM",
+ .codec_dai_name = "alc5632-hifi",
+ .init = tegra_alc5632_asoc_init,
+ .ops = &tegra_alc5632_asoc_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBS_CFS,
+};
+
+static struct snd_soc_card snd_soc_tegra_alc5632 = {
+ .name = "tegra-alc5632",
+ .owner = THIS_MODULE,
+ .remove = tegra_alc5632_card_remove,
+ .dai_link = &tegra_alc5632_dai,
+ .num_links = 1,
+ .controls = tegra_alc5632_controls,
+ .num_controls = ARRAY_SIZE(tegra_alc5632_controls),
+ .dapm_widgets = tegra_alc5632_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
+ .fully_routed = true,
+};
+
+static int tegra_alc5632_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct snd_soc_card *card = &snd_soc_tegra_alc5632;
+ struct tegra_alc5632 *alc5632;
+ int ret;
+
+ alc5632 = devm_kzalloc(&pdev->dev,
+ sizeof(struct tegra_alc5632), GFP_KERNEL);
+ if (!alc5632) {
+ dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
+ return -ENOMEM;
+ }
+
+ card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+ snd_soc_card_set_drvdata(card, alc5632);
+
+ alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
+ if (alc5632->gpio_hp_det == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ 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_alc5632_dai.codec_of_node = of_parse_phandle(
+ pdev->dev.of_node, "nvidia,audio-codec", 0);
+
+ if (!tegra_alc5632_dai.codec_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'nvidia,audio-codec' missing or invalid\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ tegra_alc5632_dai.cpu_of_node = of_parse_phandle(np,
+ "nvidia,i2s-controller", 0);
+ if (!tegra_alc5632_dai.cpu_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'nvidia,i2s-controller' missing or invalid\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node;
+
+ ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
+ if (ret)
+ goto err;
+
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+ ret);
+ goto err_fini_utils;
+ }
+
+ return 0;
+
+err_fini_utils:
+ tegra_asoc_utils_fini(&alc5632->util_data);
+err:
+ return ret;
+}
+
+static int tegra_alc5632_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card);
+
+ snd_soc_unregister_card(card);
+
+ tegra_asoc_utils_fini(&machine->util_data);
+
+ return 0;
+}
+
+static const struct of_device_id tegra_alc5632_of_match[] = {
+ { .compatible = "nvidia,tegra-audio-alc5632", },
+ {},
+};
+
+static struct platform_driver tegra_alc5632_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = tegra_alc5632_of_match,
+ },
+ .probe = tegra_alc5632_probe,
+ .remove = tegra_alc5632_remove,
+};
+module_platform_driver(tegra_alc5632_driver);
+
+MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
+MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);
Code Review / kvmfornfv.git / blobdiff