1 // SPDX-License-Identifier: GPL-2.0-only
3 * trimslice.c - TrimSlice machine ASoC driver
5 * Copyright (C) 2011 - CompuLab, Ltd.
6 * Author: Mike Rapoport <mike@compulab.co.il>
8 * Based on code copyright/by:
9 * Author: Stephen Warren <swarren@nvidia.com>
10 * Copyright (C) 2010-2011 - NVIDIA, Inc.
13 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/slab.h>
18 #include <sound/core.h>
19 #include <sound/jack.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
24 #include "../codecs/tlv320aic23.h"
26 #include "tegra_asoc_utils.h"
28 #define DRV_NAME "tegra-snd-trimslice"
30 struct tegra_trimslice {
31 struct tegra_asoc_utils_data util_data;
34 static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream,
35 struct snd_pcm_hw_params *params)
37 struct snd_soc_pcm_runtime *rtd = substream->private_data;
38 struct snd_soc_dai *codec_dai = rtd->codec_dai;
39 struct snd_soc_card *card = rtd->card;
40 struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
44 srate = params_rate(params);
47 err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk);
49 dev_err(card->dev, "Can't configure clocks\n");
53 err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
56 dev_err(card->dev, "codec_dai clock not set\n");
63 static const struct snd_soc_ops trimslice_asoc_ops = {
64 .hw_params = trimslice_asoc_hw_params,
67 static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = {
68 SND_SOC_DAPM_HP("Line Out", NULL),
69 SND_SOC_DAPM_LINE("Line In", NULL),
72 static const struct snd_soc_dapm_route trimslice_audio_map[] = {
73 {"Line Out", NULL, "LOUT"},
74 {"Line Out", NULL, "ROUT"},
76 {"LLINEIN", NULL, "Line In"},
77 {"RLINEIN", NULL, "Line In"},
80 static struct snd_soc_dai_link trimslice_tlv320aic23_dai = {
81 .name = "TLV320AIC23",
82 .stream_name = "AIC23",
83 .codec_dai_name = "tlv320aic23-hifi",
84 .ops = &trimslice_asoc_ops,
85 .dai_fmt = SND_SOC_DAIFMT_I2S |
86 SND_SOC_DAIFMT_NB_NF |
87 SND_SOC_DAIFMT_CBS_CFS,
90 static struct snd_soc_card snd_soc_trimslice = {
91 .name = "tegra-trimslice",
93 .dai_link = &trimslice_tlv320aic23_dai,
96 .dapm_widgets = trimslice_dapm_widgets,
97 .num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets),
98 .dapm_routes = trimslice_audio_map,
99 .num_dapm_routes = ARRAY_SIZE(trimslice_audio_map),
100 .fully_routed = true,
103 static int tegra_snd_trimslice_probe(struct platform_device *pdev)
105 struct device_node *np = pdev->dev.of_node;
106 struct snd_soc_card *card = &snd_soc_trimslice;
107 struct tegra_trimslice *trimslice;
110 trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice),
115 card->dev = &pdev->dev;
116 snd_soc_card_set_drvdata(card, trimslice);
118 trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(np,
119 "nvidia,audio-codec", 0);
120 if (!trimslice_tlv320aic23_dai.codec_of_node) {
122 "Property 'nvidia,audio-codec' missing or invalid\n");
127 trimslice_tlv320aic23_dai.cpu_of_node = of_parse_phandle(np,
128 "nvidia,i2s-controller", 0);
129 if (!trimslice_tlv320aic23_dai.cpu_of_node) {
131 "Property 'nvidia,i2s-controller' missing or invalid\n");
136 trimslice_tlv320aic23_dai.platform_of_node =
137 trimslice_tlv320aic23_dai.cpu_of_node;
139 ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
143 ret = snd_soc_register_card(card);
145 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
153 tegra_asoc_utils_fini(&trimslice->util_data);
158 static int tegra_snd_trimslice_remove(struct platform_device *pdev)
160 struct snd_soc_card *card = platform_get_drvdata(pdev);
161 struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card);
163 snd_soc_unregister_card(card);
165 tegra_asoc_utils_fini(&trimslice->util_data);
170 static const struct of_device_id trimslice_of_match[] = {
171 { .compatible = "nvidia,tegra-audio-trimslice", },
174 MODULE_DEVICE_TABLE(of, trimslice_of_match);
176 static struct platform_driver tegra_snd_trimslice_driver = {
179 .of_match_table = trimslice_of_match,
181 .probe = tegra_snd_trimslice_probe,
182 .remove = tegra_snd_trimslice_remove,
184 module_platform_driver(tegra_snd_trimslice_driver);
186 MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
187 MODULE_DESCRIPTION("Trimslice machine ASoC driver");
188 MODULE_LICENSE("GPL");
189 MODULE_ALIAS("platform:" DRV_NAME);