diff options
Diffstat (limited to 'sound/soc/tegra/tegra_rt5677.c')
| -rw-r--r-- | sound/soc/tegra/tegra_rt5677.c | 324 |
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); |