diff options
Diffstat (limited to 'sound/soc/samsung/arndale_rt5631.c')
| -rw-r--r-- | sound/soc/samsung/arndale_rt5631.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/sound/soc/samsung/arndale_rt5631.c b/sound/soc/samsung/arndale_rt5631.c deleted file mode 100644 index fd8c6642fb0d..000000000000 --- a/sound/soc/samsung/arndale_rt5631.c +++ /dev/null @@ -1,164 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -// -// Copyright (c) 2014, Insignal Co., Ltd. -// -// Author: Claude <claude@insginal.co.kr> - -#include <linux/module.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> -#include <linux/clk.h> - -#include <sound/soc.h> -#include <sound/soc-dapm.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> - -#include "i2s.h" - -static int arndale_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 *cpu_dai = rtd->cpu_dai; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - int rfs, ret; - unsigned long rclk; - - rfs = 256; - - rclk = params_rate(params) * rfs; - - ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK, - 0, SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_RCLKSRC_0, - 0, SND_SOC_CLOCK_OUT); - - if (ret < 0) - return ret; - - ret = snd_soc_dai_set_sysclk(codec_dai, 0, rclk, SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - return 0; -} - -static struct snd_soc_ops arndale_ops = { - .hw_params = arndale_hw_params, -}; - -SND_SOC_DAILINK_DEFS(rt5631_hifi, - DAILINK_COMP_ARRAY(COMP_EMPTY()), - DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5631-hifi")), - DAILINK_COMP_ARRAY(COMP_EMPTY())); - -static struct snd_soc_dai_link arndale_rt5631_dai[] = { - { - .name = "RT5631 HiFi", - .stream_name = "Primary", - .dai_fmt = SND_SOC_DAIFMT_I2S - | SND_SOC_DAIFMT_NB_NF - | SND_SOC_DAIFMT_CBS_CFS, - .ops = &arndale_ops, - SND_SOC_DAILINK_REG(rt5631_hifi), - }, -}; - -static struct snd_soc_card arndale_rt5631 = { - .name = "Arndale RT5631", - .owner = THIS_MODULE, - .dai_link = arndale_rt5631_dai, - .num_links = ARRAY_SIZE(arndale_rt5631_dai), -}; - -static void arndale_put_of_nodes(struct snd_soc_card *card) -{ - struct snd_soc_dai_link *dai_link; - int i; - - for_each_card_prelinks(card, i, dai_link) { - of_node_put(dai_link->cpus->of_node); - of_node_put(dai_link->codecs->of_node); - } -} - -static int arndale_audio_probe(struct platform_device *pdev) -{ - int n, ret; - struct device_node *np = pdev->dev.of_node; - struct snd_soc_card *card = &arndale_rt5631; - - card->dev = &pdev->dev; - - for (n = 0; np && n < ARRAY_SIZE(arndale_rt5631_dai); n++) { - if (!arndale_rt5631_dai[n].cpus->dai_name) { - arndale_rt5631_dai[n].cpus->of_node = of_parse_phandle(np, - "samsung,audio-cpu", n); - - if (!arndale_rt5631_dai[n].cpus->of_node) { - dev_err(&pdev->dev, - "Property 'samsung,audio-cpu' missing or invalid\n"); - return -EINVAL; - } - } - if (!arndale_rt5631_dai[n].platforms->name) - arndale_rt5631_dai[n].platforms->of_node = - arndale_rt5631_dai[n].cpus->of_node; - - arndale_rt5631_dai[n].codecs->name = NULL; - arndale_rt5631_dai[n].codecs->of_node = of_parse_phandle(np, - "samsung,audio-codec", n); - if (!arndale_rt5631_dai[0].codecs->of_node) { - dev_err(&pdev->dev, - "Property 'samsung,audio-codec' missing or invalid\n"); - ret = -EINVAL; - goto err_put_of_nodes; - } - } - - ret = devm_snd_soc_register_card(card->dev, card); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); - goto err_put_of_nodes; - } - return 0; - -err_put_of_nodes: - arndale_put_of_nodes(card); - return ret; -} - -static int arndale_audio_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - arndale_put_of_nodes(card); - return 0; -} - -static const struct of_device_id samsung_arndale_rt5631_of_match[] __maybe_unused = { - { .compatible = "samsung,arndale-rt5631", }, - { .compatible = "samsung,arndale-alc5631", }, - {}, -}; -MODULE_DEVICE_TABLE(of, samsung_arndale_rt5631_of_match); - -static struct platform_driver arndale_audio_driver = { - .driver = { - .name = "arndale-audio", - .pm = &snd_soc_pm_ops, - .of_match_table = of_match_ptr(samsung_arndale_rt5631_of_match), - }, - .probe = arndale_audio_probe, - .remove = arndale_audio_remove, -}; - -module_platform_driver(arndale_audio_driver); - -MODULE_AUTHOR("Claude <claude@insignal.co.kr>"); -MODULE_DESCRIPTION("ALSA SoC Driver for Arndale Board"); -MODULE_LICENSE("GPL"); |