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Diffstat (limited to 'sound/soc/fsl/eukrea-tlv320.c')
-rw-r--r--sound/soc/fsl/eukrea-tlv320.c108
1 files changed, 96 insertions, 12 deletions
diff --git a/sound/soc/fsl/eukrea-tlv320.c b/sound/soc/fsl/eukrea-tlv320.c
index 5983740be123..eb093d5b85c4 100644
--- a/sound/soc/fsl/eukrea-tlv320.c
+++ b/sound/soc/fsl/eukrea-tlv320.c
@@ -15,8 +15,11 @@
*
*/
+#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>
@@ -26,6 +29,7 @@
#include "../codecs/tlv320aic23.h"
#include "imx-ssi.h"
+#include "fsl_ssi.h"
#include "imx-audmux.h"
#define CODEC_CLOCK 12000000
@@ -41,7 +45,8 @@ static int eukrea_tlv320_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM);
- if (ret) {
+ /* fsl_ssi lacks the set_fmt ops. */
+ if (ret && ret != -ENOTSUPP) {
dev_err(cpu_dai->dev,
"Failed to set the cpu dai format.\n");
return ret;
@@ -63,11 +68,13 @@ static int eukrea_tlv320_hw_params(struct snd_pcm_substream *substream,
"Failed to set the codec sysclk.\n");
return ret;
}
+
snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0);
ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0,
SND_SOC_CLOCK_IN);
- if (ret) {
+ /* 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;
@@ -84,14 +91,10 @@ 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",
.ops = &eukrea_tlv320_snd_ops,
};
static struct snd_soc_card eukrea_tlv320 = {
- .name = "cpuimx-audio",
.owner = THIS_MODULE,
.dai_link = &eukrea_tlv320_dai,
.num_links = 1,
@@ -101,8 +104,65 @@ 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, *codec_np;
- 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.codec_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");
+ return ret;
+ }
+ 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");
+ return ret;
+ }
+
+ /*
+ * 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.cpu_of_node = ssi_np;
+ eukrea_tlv320_dai.platform_of_node = ssi_np;
+ } else {
+ eukrea_tlv320_dai.cpu_dai_name = "imx-ssi.0";
+ eukrea_tlv320_dai.platform_name = "imx-ssi.0";
+ eukrea_tlv320_dai.codec_name = "tlv320aic23-codec.0-001a";
+ eukrea_tlv320.name = "cpuimx-audio";
+ }
+
+ if (machine_is_eukrea_cpuimx27() ||
+ 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 |
@@ -119,8 +179,12 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
);
} 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() ||
+ 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 |
@@ -134,14 +198,27 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)
);
} else {
- /* return happy. We might run on a totally different machine */
- return 0;
+ if (np) {
+ /* The eukrea,asoc-tlv320 driver was explicitely
+ * 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);
+err:
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
+ if (np)
+ of_node_put(ssi_np);
return ret;
}
@@ -153,10 +230,17 @@ static int eukrea_tlv320_remove(struct platform_device *pdev)
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,
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-15 14:08:08 +0000