diff options
Diffstat (limited to 'sound/soc/tegra/tegra_wm8753.c')
| -rw-r--r-- | sound/soc/tegra/tegra_wm8753.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/sound/soc/tegra/tegra_wm8753.c b/sound/soc/tegra/tegra_wm8753.c deleted file mode 100644 index efd793886689..000000000000 --- a/sound/soc/tegra/tegra_wm8753.c +++ /dev/null @@ -1,185 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * tegra_wm8753.c - Tegra machine ASoC driver for boards using WM8753 codec. - * - * Author: Stephen Warren <swarren@nvidia.com> - * Copyright (C) 2010-2012 - NVIDIA, Inc. - * - * Based on code copyright/by: - * - * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. - * - * Copyright 2007 Wolfson Microelectronics PLC. - * Author: Graeme Gregory - * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com - */ - -#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/wm8753.h" - -#include "tegra_asoc_utils.h" - -#define DRV_NAME "tegra-snd-wm8753" - -struct tegra_wm8753 { - struct tegra_asoc_utils_data util_data; -}; - -static int tegra_wm8753_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_wm8753 *machine = snd_soc_card_get_drvdata(card); - int srate, mclk; - int err; - - srate = params_rate(params); - switch (srate) { - case 11025: - case 22050: - case 44100: - case 88200: - mclk = 11289600; - break; - default: - mclk = 12288000; - break; - } - - 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, WM8753_MCLK, mclk, - SND_SOC_CLOCK_IN); - if (err < 0) { - dev_err(card->dev, "codec_dai clock not set\n"); - return err; - } - - return 0; -} - -static const struct snd_soc_ops tegra_wm8753_ops = { - .hw_params = tegra_wm8753_hw_params, -}; - -static const struct snd_soc_dapm_widget tegra_wm8753_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), -}; - -SND_SOC_DAILINK_DEFS(pcm, - DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8753-hifi")), - DAILINK_COMP_ARRAY(COMP_EMPTY())); - -static struct snd_soc_dai_link tegra_wm8753_dai = { - .name = "WM8753", - .stream_name = "WM8753 PCM", - .ops = &tegra_wm8753_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_wm8753 = { - .name = "tegra-wm8753", - .owner = THIS_MODULE, - .dai_link = &tegra_wm8753_dai, - .num_links = 1, - - .dapm_widgets = tegra_wm8753_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(tegra_wm8753_dapm_widgets), - .fully_routed = true, -}; - -static int tegra_wm8753_driver_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct snd_soc_card *card = &snd_soc_tegra_wm8753; - struct tegra_wm8753 *machine; - int ret; - - machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8753), - GFP_KERNEL); - if (!machine) - return -ENOMEM; - - card->dev = &pdev->dev; - snd_soc_card_set_drvdata(card, machine); - - ret = snd_soc_of_parse_card_name(card, "nvidia,model"); - if (ret) - return ret; - - ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); - if (ret) - return ret; - - tegra_wm8753_dai.codecs->of_node = of_parse_phandle(np, - "nvidia,audio-codec", 0); - if (!tegra_wm8753_dai.codecs->of_node) { - dev_err(&pdev->dev, - "Property 'nvidia,audio-codec' missing or invalid\n"); - return -EINVAL; - } - - tegra_wm8753_dai.cpus->of_node = of_parse_phandle(np, - "nvidia,i2s-controller", 0); - if (!tegra_wm8753_dai.cpus->of_node) { - dev_err(&pdev->dev, - "Property 'nvidia,i2s-controller' missing or invalid\n"); - return -EINVAL; - } - - tegra_wm8753_dai.platforms->of_node = tegra_wm8753_dai.cpus->of_node; - - ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); - if (ret) - return ret; - - ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) - return dev_err_probe(&pdev->dev, ret, - "snd_soc_register_card failed\n"); - - return 0; -} - -static const struct of_device_id tegra_wm8753_of_match[] = { - { .compatible = "nvidia,tegra-audio-wm8753", }, - {}, -}; - -static struct platform_driver tegra_wm8753_driver = { - .driver = { - .name = DRV_NAME, - .pm = &snd_soc_pm_ops, - .of_match_table = tegra_wm8753_of_match, - }, - .probe = tegra_wm8753_driver_probe, -}; -module_platform_driver(tegra_wm8753_driver); - -MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); -MODULE_DESCRIPTION("Tegra+WM8753 machine ASoC driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" DRV_NAME); -MODULE_DEVICE_TABLE(of, tegra_wm8753_of_match); |