2018-07-24 12:48:33 +00:00
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// SPDX-License-Identifier: GPL-2.0+
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//
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// Copyright 2012 Freescale Semiconductor, Inc.
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// Copyright 2012 Linaro Ltd.
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2012-03-16 08:56:44 +00:00
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_platform.h>
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2013-07-11 11:56:15 +00:00
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#include <linux/i2c.h>
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2012-04-27 07:02:57 +00:00
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#include <linux/clk.h>
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2012-03-16 08:56:44 +00:00
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#include <sound/soc.h>
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#include "../codecs/sgtl5000.h"
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#include "imx-audmux.h"
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#define DAI_NAME_SIZE 32
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struct imx_sgtl5000_data {
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struct snd_soc_dai_link dai;
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struct snd_soc_card card;
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char codec_dai_name[DAI_NAME_SIZE];
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char platform_name[DAI_NAME_SIZE];
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2012-04-27 07:02:57 +00:00
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struct clk *codec_clk;
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2012-03-16 08:56:44 +00:00
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unsigned int clk_frequency;
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};
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static int imx_sgtl5000_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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2014-02-08 05:20:35 +00:00
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struct imx_sgtl5000_data *data = snd_soc_card_get_drvdata(rtd->card);
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2012-03-16 08:56:44 +00:00
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struct device *dev = rtd->card->dev;
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int ret;
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2020-03-23 05:18:30 +00:00
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ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0), SGTL5000_SYSCLK,
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2012-03-16 08:56:44 +00:00
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data->clk_frequency, SND_SOC_CLOCK_IN);
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if (ret) {
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dev_err(dev, "could not set codec driver clock params\n");
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return ret;
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}
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return 0;
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}
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2012-03-29 16:13:03 +00:00
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static const struct snd_soc_dapm_widget imx_sgtl5000_dapm_widgets[] = {
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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SND_SOC_DAPM_LINE("Line In Jack", NULL),
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Line Out Jack", NULL),
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SND_SOC_DAPM_SPK("Ext Spk", NULL),
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};
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2012-12-07 14:26:16 +00:00
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static int imx_sgtl5000_probe(struct platform_device *pdev)
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2012-03-16 08:56:44 +00:00
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{
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struct device_node *np = pdev->dev.of_node;
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struct device_node *ssi_np, *codec_np;
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struct platform_device *ssi_pdev;
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2012-04-27 07:02:57 +00:00
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struct i2c_client *codec_dev;
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2013-09-25 13:22:01 +00:00
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struct imx_sgtl5000_data *data = NULL;
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2019-06-06 04:16:02 +00:00
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struct snd_soc_dai_link_component *comp;
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2012-03-16 08:56:44 +00:00
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int int_port, ext_port;
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int ret;
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ret = of_property_read_u32(np, "mux-int-port", &int_port);
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if (ret) {
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dev_err(&pdev->dev, "mux-int-port missing or invalid\n");
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return ret;
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}
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ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
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if (ret) {
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dev_err(&pdev->dev, "mux-ext-port missing or invalid\n");
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return ret;
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}
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/*
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* The port numbering in the hardware manual starts at 1, while
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* the audmux API expects it starts at 0.
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*/
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int_port--;
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ext_port--;
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ret = imx_audmux_v2_configure_port(int_port,
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IMX_AUDMUX_V2_PTCR_SYN |
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IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
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IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
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IMX_AUDMUX_V2_PTCR_TFSDIR |
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IMX_AUDMUX_V2_PTCR_TCLKDIR,
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IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
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if (ret) {
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dev_err(&pdev->dev, "audmux internal port setup failed\n");
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return ret;
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}
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2012-08-19 07:02:52 +00:00
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ret = imx_audmux_v2_configure_port(ext_port,
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2012-07-04 07:38:27 +00:00
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IMX_AUDMUX_V2_PTCR_SYN,
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2012-03-16 08:56:44 +00:00
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IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
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if (ret) {
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dev_err(&pdev->dev, "audmux external port setup failed\n");
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return ret;
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}
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ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0);
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codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
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if (!ssi_np || !codec_np) {
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dev_err(&pdev->dev, "phandle missing or invalid\n");
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2012-04-27 07:02:56 +00:00
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ret = -EINVAL;
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goto fail;
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2012-03-16 08:56:44 +00:00
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}
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ssi_pdev = of_find_device_by_node(ssi_np);
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if (!ssi_pdev) {
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2019-01-18 09:06:53 +00:00
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dev_dbg(&pdev->dev, "failed to find SSI platform device\n");
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2013-06-20 21:20:49 +00:00
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ret = -EPROBE_DEFER;
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2012-04-27 07:02:56 +00:00
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goto fail;
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2012-03-16 08:56:44 +00:00
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}
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2019-02-18 15:13:47 +00:00
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put_device(&ssi_pdev->dev);
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2012-04-27 07:02:57 +00:00
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codec_dev = of_find_i2c_device_by_node(codec_np);
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if (!codec_dev) {
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2019-01-18 09:06:53 +00:00
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dev_dbg(&pdev->dev, "failed to find codec platform device\n");
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2019-01-18 09:06:52 +00:00
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ret = -EPROBE_DEFER;
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goto fail;
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2012-04-27 07:02:57 +00:00
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}
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2012-03-16 08:56:44 +00:00
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data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
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2012-04-27 07:02:56 +00:00
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if (!data) {
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ret = -ENOMEM;
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2022-05-11 06:58:03 +00:00
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goto put_device;
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2012-04-27 07:02:56 +00:00
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}
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2012-03-16 08:56:44 +00:00
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2019-06-28 01:47:26 +00:00
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comp = devm_kzalloc(&pdev->dev, 3 * sizeof(*comp), GFP_KERNEL);
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2019-06-06 04:16:02 +00:00
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if (!comp) {
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ret = -ENOMEM;
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2022-05-11 06:58:03 +00:00
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goto put_device;
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2019-06-06 04:16:02 +00:00
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}
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2013-09-25 13:21:08 +00:00
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data->codec_clk = clk_get(&codec_dev->dev, NULL);
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2013-07-16 12:05:07 +00:00
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if (IS_ERR(data->codec_clk)) {
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ret = PTR_ERR(data->codec_clk);
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2022-05-11 06:58:03 +00:00
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goto put_device;
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2013-07-16 12:05:07 +00:00
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}
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2013-06-10 01:07:46 +00:00
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data->clk_frequency = clk_get_rate(data->codec_clk);
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2012-03-16 08:56:44 +00:00
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2019-06-06 04:16:02 +00:00
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data->dai.cpus = &comp[0];
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data->dai.codecs = &comp[1];
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2019-06-28 01:47:26 +00:00
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data->dai.platforms = &comp[2];
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2019-06-06 04:16:02 +00:00
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data->dai.num_cpus = 1;
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data->dai.num_codecs = 1;
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2019-06-28 01:47:26 +00:00
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data->dai.num_platforms = 1;
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2019-06-06 04:16:02 +00:00
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2012-03-16 08:56:44 +00:00
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data->dai.name = "HiFi";
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data->dai.stream_name = "HiFi";
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2019-06-06 04:16:02 +00:00
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data->dai.codecs->dai_name = "sgtl5000";
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data->dai.codecs->of_node = codec_np;
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data->dai.cpus->of_node = ssi_np;
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2019-06-28 01:47:26 +00:00
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data->dai.platforms->of_node = ssi_np;
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2012-03-16 08:56:44 +00:00
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data->dai.init = &imx_sgtl5000_dai_init;
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data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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2021-09-21 21:35:39 +00:00
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SND_SOC_DAIFMT_CBP_CFP;
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2012-03-16 08:56:44 +00:00
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data->card.dev = &pdev->dev;
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ret = snd_soc_of_parse_card_name(&data->card, "model");
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2012-03-29 16:13:03 +00:00
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if (ret)
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2022-05-11 06:58:03 +00:00
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goto put_device;
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2012-03-29 16:13:03 +00:00
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ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
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2012-03-16 08:56:44 +00:00
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if (ret)
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2022-05-11 06:58:03 +00:00
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goto put_device;
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2012-03-16 08:56:44 +00:00
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data->card.num_links = 1;
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2012-11-22 12:31:08 +00:00
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data->card.owner = THIS_MODULE;
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2012-03-16 08:56:44 +00:00
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data->card.dai_link = &data->dai;
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2012-03-29 16:13:03 +00:00
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data->card.dapm_widgets = imx_sgtl5000_dapm_widgets;
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data->card.num_dapm_widgets = ARRAY_SIZE(imx_sgtl5000_dapm_widgets);
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2012-03-16 08:56:44 +00:00
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2014-02-08 05:20:35 +00:00
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platform_set_drvdata(pdev, &data->card);
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snd_soc_card_set_drvdata(&data->card, data);
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2013-09-17 04:12:46 +00:00
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ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
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2012-03-16 08:56:44 +00:00
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if (ret) {
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2021-12-14 02:08:34 +00:00
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dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");
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2022-05-11 06:58:03 +00:00
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goto put_device;
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2012-03-16 08:56:44 +00:00
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}
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2013-04-24 14:54:43 +00:00
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of_node_put(ssi_np);
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of_node_put(codec_np);
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return 0;
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2022-05-11 06:58:03 +00:00
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put_device:
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put_device(&codec_dev->dev);
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2012-04-27 07:02:56 +00:00
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fail:
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2013-09-25 13:22:01 +00:00
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if (data && !IS_ERR(data->codec_clk))
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2013-09-25 13:21:08 +00:00
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clk_put(data->codec_clk);
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2014-10-07 18:13:25 +00:00
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of_node_put(ssi_np);
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of_node_put(codec_np);
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2012-03-16 08:56:44 +00:00
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2012-04-27 07:02:56 +00:00
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return ret;
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2012-03-16 08:56:44 +00:00
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}
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2012-12-07 14:26:16 +00:00
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static int imx_sgtl5000_remove(struct platform_device *pdev)
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2012-03-16 08:56:44 +00:00
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{
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2014-02-08 05:20:35 +00:00
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struct snd_soc_card *card = platform_get_drvdata(pdev);
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struct imx_sgtl5000_data *data = snd_soc_card_get_drvdata(card);
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2012-03-16 08:56:44 +00:00
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2013-09-25 13:21:08 +00:00
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clk_put(data->codec_clk);
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2012-03-16 08:56:44 +00:00
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return 0;
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}
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static const struct of_device_id imx_sgtl5000_dt_ids[] = {
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{ .compatible = "fsl,imx-audio-sgtl5000", },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, imx_sgtl5000_dt_ids);
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static struct platform_driver imx_sgtl5000_driver = {
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.driver = {
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.name = "imx-sgtl5000",
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2013-10-24 10:15:29 +00:00
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.pm = &snd_soc_pm_ops,
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2012-03-16 08:56:44 +00:00
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.of_match_table = imx_sgtl5000_dt_ids,
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},
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.probe = imx_sgtl5000_probe,
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2013-10-01 01:17:37 +00:00
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.remove = imx_sgtl5000_remove,
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2012-03-16 08:56:44 +00:00
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};
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module_platform_driver(imx_sgtl5000_driver);
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MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
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MODULE_DESCRIPTION("Freescale i.MX SGTL5000 ASoC machine driver");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:imx-sgtl5000");
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