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Diffstat (limited to 'sound/soc/fsl/eukrea-tlv320.c')
-rw-r--r--sound/soc/fsl/eukrea-tlv320.c184
1 files changed, 123 insertions, 61 deletions
diff --git a/sound/soc/fsl/eukrea-tlv320.c b/sound/soc/fsl/eukrea-tlv320.c
index 9a4a0ca2c1de..6be074ea0b3f 100644
--- a/sound/soc/fsl/eukrea-tlv320.c
+++ b/sound/soc/fsl/eukrea-tlv320.c
@@ -1,22 +1,19 @@
-/*
- * eukrea-tlv320.c -- SoC audio for eukrea_cpuimxXX in I2S mode
- *
- * Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
- *
- * based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
- * which is Copyright 2009 Simtec Electronics
- * and on sound/soc/imx/phycore-ac97.c which is
- * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
+// SPDX-License-Identifier: GPL-2.0+
+//
+// eukrea-tlv320.c -- SoC audio for eukrea_cpuimxXX in I2S mode
+//
+// Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com>
+//
+// based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c
+// which is Copyright 2009 Simtec Electronics
+// and on sound/soc/imx/phycore-ac97.c which is
+// Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
+
+#include <linux/errno.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <sound/core.h>
@@ -33,61 +30,52 @@
static int eukrea_tlv320_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 *codec_dai = rtd->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+ struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
int ret;
- ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM);
- if (ret) {
- pr_err("%s: failed set cpu dai format\n", __func__);
- return ret;
- }
-
- ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM);
- if (ret) {
- pr_err("%s: failed set codec dai format\n", __func__);
- return ret;
- }
-
ret = snd_soc_dai_set_sysclk(codec_dai, 0,
CODEC_CLOCK, SND_SOC_CLOCK_OUT);
if (ret) {
- pr_err("%s: failed setting codec sysclk\n", __func__);
+ dev_err(cpu_dai->dev,
+ "Failed to set the codec sysclk.\n");
return ret;
}
- snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);
+
+ snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 0);
ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
SND_SOC_CLOCK_IN);
- if (ret) {
- pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n");
+ /* fsl_ssi lacks the set_sysclk ops */
+ if (ret && ret != -EINVAL) {
+ dev_err(cpu_dai->dev,
+ "Can't set the IMX_SSP_SYS_CLK CPU system clock.\n");
return ret;
}
return 0;
}
-static struct snd_soc_ops eukrea_tlv320_snd_ops = {
+static const struct snd_soc_ops eukrea_tlv320_snd_ops = {
.hw_params = eukrea_tlv320_hw_params,
};
+SND_SOC_DAILINK_DEFS(hifi,
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "tlv320aic23-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
static struct snd_soc_dai_link eukrea_tlv320_dai = {
.name = "tlv320aic23",
.stream_name = "TLV320AIC23",
- .codec_dai_name = "tlv320aic23-hifi",
- .platform_name = "imx-ssi.0",
- .codec_name = "tlv320aic23-codec.0-001a",
- .cpu_dai_name = "imx-ssi.0",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBP_CFP,
.ops = &eukrea_tlv320_snd_ops,
+ SND_SOC_DAILINK_REG(hifi),
};
static struct snd_soc_card eukrea_tlv320 = {
- .name = "cpuimx-audio",
.owner = THIS_MODULE,
.dai_link = &eukrea_tlv320_dai,
.num_links = 1,
@@ -97,8 +85,65 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
{
int ret;
int int_port = 0, ext_port;
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *ssi_np = NULL, *codec_np = NULL, *tmp_np = NULL;
- if (machine_is_eukrea_cpuimx27()) {
+ eukrea_tlv320.dev = &pdev->dev;
+ if (np) {
+ ret = snd_soc_of_parse_card_name(&eukrea_tlv320,
+ "eukrea,model");
+ if (ret) {
+ dev_err(&pdev->dev,
+ "eukrea,model node missing or invalid.\n");
+ goto err;
+ }
+
+ ssi_np = of_parse_phandle(pdev->dev.of_node,
+ "ssi-controller", 0);
+ if (!ssi_np) {
+ dev_err(&pdev->dev,
+ "ssi-controller missing or invalid.\n");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ codec_np = of_parse_phandle(ssi_np, "codec-handle", 0);
+ if (codec_np)
+ eukrea_tlv320_dai.codecs->of_node = codec_np;
+ else
+ dev_err(&pdev->dev, "codec-handle node missing or invalid.\n");
+
+ ret = of_property_read_u32(np, "fsl,mux-int-port", &int_port);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "fsl,mux-int-port node missing or invalid.\n");
+ goto err;
+ }
+ ret = of_property_read_u32(np, "fsl,mux-ext-port", &ext_port);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "fsl,mux-ext-port node missing or invalid.\n");
+ goto err;
+ }
+
+ /*
+ * The port numbering in the hardware manual starts at 1, while
+ * the audmux API expects it starts at 0.
+ */
+ int_port--;
+ ext_port--;
+
+ eukrea_tlv320_dai.cpus->of_node = ssi_np;
+ eukrea_tlv320_dai.platforms->of_node = ssi_np;
+ } else {
+ eukrea_tlv320_dai.cpus->dai_name = "imx-ssi.0";
+ eukrea_tlv320_dai.platforms->name = "imx-ssi.0";
+ eukrea_tlv320_dai.codecs->name = "tlv320aic23-codec.0-001a";
+ eukrea_tlv320.name = "cpuimx-audio";
+ }
+
+ if (machine_is_eukrea_cpuimx27() ||
+ (tmp_np = of_find_compatible_node(NULL, NULL, "fsl,imx21-audmux"))) {
imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
IMX_AUDMUX_V1_PCR_SYN |
IMX_AUDMUX_V1_PCR_TFSDIR |
@@ -113,10 +158,15 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
IMX_AUDMUX_V1_PCR_SYN |
IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
);
+ of_node_put(tmp_np);
} else if (machine_is_eukrea_cpuimx25sd() ||
machine_is_eukrea_cpuimx35sd() ||
- machine_is_eukrea_cpuimx51sd()) {
- ext_port = machine_is_eukrea_cpuimx25sd() ? 4 : 3;
+ machine_is_eukrea_cpuimx51sd() ||
+ (tmp_np = of_find_compatible_node(NULL, NULL, "fsl,imx31-audmux"))) {
+ if (!np)
+ ext_port = machine_is_eukrea_cpuimx25sd() ?
+ 4 : 3;
+
imx_audmux_v2_configure_port(int_port,
IMX_AUDMUX_V2_PTCR_SYN |
IMX_AUDMUX_V2_PTCR_TFSDIR |
@@ -129,33 +179,45 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
IMX_AUDMUX_V2_PTCR_SYN,
IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)
);
+ of_node_put(tmp_np);
} else {
- /* return happy. We might run on a totally different machine */
- return 0;
+ if (np) {
+ /* The eukrea,asoc-tlv320 driver was explicitly
+ * requested (through the device tree).
+ */
+ dev_err(&pdev->dev,
+ "Missing or invalid audmux DT node.\n");
+ return -ENODEV;
+ } else {
+ /* Return happy.
+ * We might run on a totally different machine.
+ */
+ return 0;
+ }
}
- eukrea_tlv320.dev = &pdev->dev;
- ret = snd_soc_register_card(&eukrea_tlv320);
+ ret = devm_snd_soc_register_card(&pdev->dev, &eukrea_tlv320);
+err:
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
+ of_node_put(ssi_np);
return ret;
}
-static int eukrea_tlv320_remove(struct platform_device *pdev)
-{
- snd_soc_unregister_card(&eukrea_tlv320);
-
- return 0;
-}
+static const struct of_device_id imx_tlv320_dt_ids[] = {
+ { .compatible = "eukrea,asoc-tlv320"},
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_tlv320_dt_ids);
static struct platform_driver eukrea_tlv320_driver = {
.driver = {
.name = "eukrea_tlv320",
- .owner = THIS_MODULE,
+ .of_match_table = imx_tlv320_dt_ids,
},
.probe = eukrea_tlv320_probe,
- .remove = eukrea_tlv320_remove,};
+};
module_platform_driver(eukrea_tlv320_driver);
generated by cgit (git 2.34.1) at 2025-12-27 15:41:18 +0000