# Freescale SSI/DMA/SAI/SPDIF Support
snd-soc-fsl-acm-objs := fsl_acm.o
-snd-soc-fsl-asoc-card-objs := fsl-asoc-card.o
snd-soc-fsl-asrc-objs := fsl_asrc.o fsl_asrc_dma.o
-snd-soc-fsl-hifi4-objs := fsl_hifi4.o
snd-soc-fsl-sai-objs := fsl_sai.o
snd-soc-fsl-ssi-y := fsl_ssi.o
snd-soc-fsl-ssi-$(CONFIG_DEBUG_FS) += fsl_ssi_dbg.o
snd-soc-fsl-utils-objs := fsl_utils.o
snd-soc-fsl-dma-objs := fsl_dma.o
snd-soc-fsl-rpmsg-i2s-objs := fsl_rpmsg_i2s.o
-obj-$(CONFIG_SND_SOC_FSL_ACM) += snd-soc-fsl-acm.o
-obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o
snd-soc-fsl-hdmi-objs := fsl_hdmi.o
+snd-soc-fsl-asoc-card-objs := fsl-asoc-card.o
+obj-$(CONFIG_SND_SOC_FSL_ACM) += snd-soc-fsl-acm.o
obj-$(CONFIG_SND_SOC_FSL_ASRC) += snd-soc-fsl-asrc.o
obj-$(CONFIG_SND_SOC_FSL_HIFI4) += snd-soc-fsl-hifi4.o
obj-$(CONFIG_SND_SOC_FSL_SAI) += snd-soc-fsl-sai.o
obj-$(CONFIG_SND_SOC_FSL_HDMI) += snd-soc-fsl-hdmi.o
obj-$(CONFIG_SND_SOC_POWERPC_DMA) += snd-soc-fsl-dma.o
obj-$(CONFIG_SND_SOC_FSL_RPMSG_I2S) += snd-soc-fsl-rpmsg-i2s.o
+obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o
# MPC5200 Platform Support
obj-$(CONFIG_SND_MPC52xx_DMA) += mpc5200_dma.o
snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o
snd-soc-imx-wm8958-objs := imx-wm8958.o
snd-soc-imx-wm8960-objs := imx-wm8960.o
+snd-soc-imx-wm8524-objs := imx-wm8524.o
snd-soc-imx-wm8962-objs := imx-wm8962.o
snd-soc-imx-xtor-objs := imx-xtor.o
snd-soc-imx-sii902x-objs := imx-sii902x.o
obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o
obj-${CONFIG_SND_SOC_IMX_WM8958} += snd-soc-imx-wm8958.o
obj-$(CONFIG_SND_SOC_IMX_WM8960) += snd-soc-imx-wm8960.o
+obj-$(CONFIG_SND_SOC_IMX_WM8524) += snd-soc-imx-wm8524.o
obj-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o
obj-$(CONFIG_SND_SOC_IMX_XTOR) += snd-soc-imx-xtor.o
obj-$(CONFIG_SND_SOC_IMX_RPMSG) += snd-soc-imx-rpmsg.o
--- /dev/null
+/*
+ * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of_gpio.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/control.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/mfd/syscon.h>
+
+struct imx_priv {
+ struct platform_device *pdev;
+ struct snd_soc_card card;
+ struct clk *codec_clk;
+ unsigned int clk_frequency;
+};
+
+static const struct snd_soc_dapm_widget imx_wm8524_dapm_widgets[] = {
+ SND_SOC_DAPM_LINE("Line Out Jack", NULL),
+ SND_SOC_DAPM_LINE("Line In Jack", NULL),
+};
+
+static int imx_hifi_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_card *card = rtd->card;
+ struct device *dev = card->dev;
+ unsigned int fmt;
+ int ret = 0;
+
+ fmt = SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS;
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
+ if (ret) {
+ dev_err(dev, "failed to set cpu dai fmt: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2,
+ params_physical_width(params));
+ if (ret) {
+ dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static struct snd_soc_ops imx_hifi_ops = {
+ .hw_params = imx_hifi_hw_params,
+};
+
+static struct snd_soc_dai_link imx_wm8524_dai[] = {
+ {
+ .name = "HiFi",
+ .stream_name = "HiFi",
+ .codec_dai_name = "wm8524-hifi",
+ .ops = &imx_hifi_ops,
+ },
+};
+
+static int imx_wm8524_late_probe(struct snd_soc_card *card)
+{
+ struct snd_soc_pcm_runtime *rtd = list_first_entry(
+ &card->rtd_list, struct snd_soc_pcm_runtime, list);
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct imx_priv *priv = snd_soc_card_get_drvdata(card);
+ int ret;
+
+ priv->clk_frequency = clk_get_rate(priv->codec_clk);
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, priv->clk_frequency,
+ SND_SOC_CLOCK_IN);
+
+ return 0;
+}
+
+static int imx_wm8524_probe(struct platform_device *pdev)
+{
+ struct device_node *cpu_np, *codec_np = NULL;
+ struct platform_device *cpu_pdev;
+ struct imx_priv *priv;
+ struct platform_device *codec_pdev = NULL;
+ int ret;
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->pdev = pdev;
+
+ cpu_np = of_parse_phandle(pdev->dev.of_node, "audio-cpu", 0);
+ if (!cpu_np) {
+ dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
+ if (!codec_np) {
+ dev_err(&pdev->dev, "phandle missing or invalid\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ cpu_pdev = of_find_device_by_node(cpu_np);
+ if (!cpu_pdev) {
+ dev_err(&pdev->dev, "failed to find SAI platform device\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ codec_pdev = of_find_device_by_node(codec_np);
+ if (!codec_pdev || !codec_pdev->dev.driver) {
+ dev_err(&pdev->dev, "failed to find codec platform device\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ priv->codec_clk = devm_clk_get(&codec_pdev->dev, "mclk");
+ if (IS_ERR(priv->codec_clk)) {
+ ret = PTR_ERR(priv->codec_clk);
+ dev_err(&pdev->dev, "failed to get codec clk: %d\n", ret);
+ goto fail;
+ }
+
+ priv->card.dai_link = imx_wm8524_dai;
+
+ imx_wm8524_dai[0].codec_of_node = codec_np;
+ imx_wm8524_dai[0].cpu_dai_name = dev_name(&cpu_pdev->dev);
+ imx_wm8524_dai[0].platform_of_node = cpu_np;
+ imx_wm8524_dai[0].playback_only = 1;
+
+ priv->card.late_probe = imx_wm8524_late_probe;
+ priv->card.num_links = 1;
+ priv->card.dev = &pdev->dev;
+ priv->card.owner = THIS_MODULE;
+ priv->card.dapm_widgets = imx_wm8524_dapm_widgets;
+ priv->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8524_dapm_widgets);
+
+ ret = snd_soc_of_parse_card_name(&priv->card, "model");
+ if (ret)
+ goto fail;
+
+ ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing");
+ if (ret)
+ goto fail;
+
+ snd_soc_card_set_drvdata(&priv->card, priv);
+
+ ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
+ goto fail;
+ }
+
+ ret = 0;
+fail:
+ if (cpu_np)
+ of_node_put(cpu_np);
+ if (codec_np)
+ of_node_put(codec_np);
+
+ return ret;
+}
+
+static const struct of_device_id imx_wm8524_dt_ids[] = {
+ { .compatible = "fsl,imx-audio-wm8524", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_wm8524_dt_ids);
+
+static struct platform_driver imx_wm8524_driver = {
+ .driver = {
+ .name = "imx-wm8524",
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = imx_wm8524_dt_ids,
+ },
+ .probe = imx_wm8524_probe,
+};
+module_platform_driver(imx_wm8524_driver);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("Freescale i.MX WM8524 ASoC machine driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:imx-wm8524");
projects / linux.git / commitdiff