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-rw-r--r--sound/soc/mxs/mxs-pcm.c24
-rw-r--r--sound/soc/mxs/mxs-pcm.h3
-rw-r--r--sound/soc/mxs/mxs-saif.c92
-rw-r--r--sound/soc/mxs/mxs-saif.h1
-rw-r--r--sound/soc/mxs/mxs-sgtl5000.c50
5 files changed, 116 insertions, 54 deletions
diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c
index e373fbbc97a0..373dec90579f 100644
--- a/sound/soc/mxs/mxs-pcm.c
+++ b/sound/soc/mxs/mxs-pcm.c
@@ -220,28 +220,16 @@ static struct snd_soc_platform_driver mxs_soc_platform = {
.pcm_free = mxs_pcm_free,
};
-static int __devinit mxs_soc_platform_probe(struct platform_device *pdev)
+int __devinit mxs_pcm_platform_register(struct device *dev)
{
- return snd_soc_register_platform(&pdev->dev, &mxs_soc_platform);
+ return snd_soc_register_platform(dev, &mxs_soc_platform);
}
+EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
-static int __devexit mxs_soc_platform_remove(struct platform_device *pdev)
+void __devexit mxs_pcm_platform_unregister(struct device *dev)
{
- snd_soc_unregister_platform(&pdev->dev);
-
- return 0;
+ snd_soc_unregister_platform(dev);
}
-
-static struct platform_driver mxs_pcm_driver = {
- .driver = {
- .name = "mxs-pcm-audio",
- .owner = THIS_MODULE,
- },
- .probe = mxs_soc_platform_probe,
- .remove = __devexit_p(mxs_soc_platform_remove),
-};
-
-module_platform_driver(mxs_pcm_driver);
+EXPORT_SYMBOL_GPL(mxs_pcm_platform_unregister);
MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:mxs-pcm-audio");
diff --git a/sound/soc/mxs/mxs-pcm.h b/sound/soc/mxs/mxs-pcm.h
index 5f01a9124b3d..35ba2ca42384 100644
--- a/sound/soc/mxs/mxs-pcm.h
+++ b/sound/soc/mxs/mxs-pcm.h
@@ -24,4 +24,7 @@ struct mxs_pcm_dma_params {
int chan_num;
};
+int mxs_pcm_platform_register(struct device *dev);
+void mxs_pcm_platform_unregister(struct device *dev);
+
#endif
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c
index 7fd224bb7324..aba71bfa33b1 100644
--- a/sound/soc/mxs/mxs-saif.c
+++ b/sound/soc/mxs/mxs-saif.c
@@ -18,6 +18,8 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
@@ -621,37 +623,57 @@ static irqreturn_t mxs_saif_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int mxs_saif_probe(struct platform_device *pdev)
+static int __devinit mxs_saif_probe(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
struct resource *iores, *dmares;
struct mxs_saif *saif;
struct mxs_saif_platform_data *pdata;
struct pinctrl *pinctrl;
int ret = 0;
- if (pdev->id >= ARRAY_SIZE(mxs_saif))
+
+ if (!np && pdev->id >= ARRAY_SIZE(mxs_saif))
return -EINVAL;
saif = devm_kzalloc(&pdev->dev, sizeof(*saif), GFP_KERNEL);
if (!saif)
return -ENOMEM;
- mxs_saif[pdev->id] = saif;
- saif->id = pdev->id;
-
- pdata = pdev->dev.platform_data;
- if (pdata && !pdata->master_mode) {
- saif->master_id = pdata->master_id;
- if (saif->master_id < 0 ||
- saif->master_id >= ARRAY_SIZE(mxs_saif) ||
- saif->master_id == saif->id) {
- dev_err(&pdev->dev, "get wrong master id\n");
- return -EINVAL;
+ if (np) {
+ struct device_node *master;
+ saif->id = of_alias_get_id(np, "saif");
+ if (saif->id < 0)
+ return saif->id;
+ /*
+ * If there is no "fsl,saif-master" phandle, it's a saif
+ * master. Otherwise, it's a slave and its phandle points
+ * to the master.
+ */
+ master = of_parse_phandle(np, "fsl,saif-master", 0);
+ if (!master) {
+ saif->master_id = saif->id;
+ } else {
+ saif->master_id = of_alias_get_id(master, "saif");
+ if (saif->master_id < 0)
+ return saif->master_id;
}
} else {
- saif->master_id = saif->id;
+ saif->id = pdev->id;
+ pdata = pdev->dev.platform_data;
+ if (pdata && !pdata->master_mode)
+ saif->master_id = pdata->master_id;
+ else
+ saif->master_id = saif->id;
+ }
+
+ if (saif->master_id < 0 || saif->master_id >= ARRAY_SIZE(mxs_saif)) {
+ dev_err(&pdev->dev, "get wrong master id\n");
+ return -EINVAL;
}
+ mxs_saif[saif->id] = saif;
+
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl)) {
ret = PTR_ERR(pinctrl);
@@ -677,12 +699,19 @@ static int mxs_saif_probe(struct platform_device *pdev)
dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
if (!dmares) {
- ret = -ENODEV;
- dev_err(&pdev->dev, "failed to get dma resource: %d\n",
- ret);
- goto failed_get_resource;
+ /*
+ * TODO: This is a temporary solution and should be changed
+ * to use generic DMA binding later when the helplers get in.
+ */
+ ret = of_property_read_u32(np, "fsl,saif-dma-channel",
+ &saif->dma_param.chan_num);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to get dma channel\n");
+ goto failed_get_resource;
+ }
+ } else {
+ saif->dma_param.chan_num = dmares->start;
}
- saif->dma_param.chan_num = dmares->start;
saif->irq = platform_get_irq(pdev, 0);
if (saif->irq < 0) {
@@ -716,24 +745,14 @@ static int mxs_saif_probe(struct platform_device *pdev)
goto failed_get_resource;
}
- saif->soc_platform_pdev = platform_device_alloc(
- "mxs-pcm-audio", pdev->id);
- if (!saif->soc_platform_pdev) {
- ret = -ENOMEM;
- goto failed_pdev_alloc;
- }
-
- platform_set_drvdata(saif->soc_platform_pdev, saif);
- ret = platform_device_add(saif->soc_platform_pdev);
+ ret = mxs_pcm_platform_register(&pdev->dev);
if (ret) {
- dev_err(&pdev->dev, "failed to add soc platform device\n");
- goto failed_pdev_add;
+ dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
+ goto failed_pdev_alloc;
}
return 0;
-failed_pdev_add:
- platform_device_put(saif->soc_platform_pdev);
failed_pdev_alloc:
snd_soc_unregister_dai(&pdev->dev);
failed_get_resource:
@@ -746,13 +765,19 @@ static int __devexit mxs_saif_remove(struct platform_device *pdev)
{
struct mxs_saif *saif = platform_get_drvdata(pdev);
- platform_device_unregister(saif->soc_platform_pdev);
+ mxs_pcm_platform_unregister(&pdev->dev);
snd_soc_unregister_dai(&pdev->dev);
clk_put(saif->clk);
return 0;
}
+static const struct of_device_id mxs_saif_dt_ids[] = {
+ { .compatible = "fsl,imx28-saif", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxs_saif_dt_ids);
+
static struct platform_driver mxs_saif_driver = {
.probe = mxs_saif_probe,
.remove = __devexit_p(mxs_saif_remove),
@@ -760,6 +785,7 @@ static struct platform_driver mxs_saif_driver = {
.driver = {
.name = "mxs-saif",
.owner = THIS_MODULE,
+ .of_match_table = mxs_saif_dt_ids,
},
};
diff --git a/sound/soc/mxs/mxs-saif.h b/sound/soc/mxs/mxs-saif.h
index 12c91e4eb941..3cb342e5bc90 100644
--- a/sound/soc/mxs/mxs-saif.h
+++ b/sound/soc/mxs/mxs-saif.h
@@ -123,7 +123,6 @@ struct mxs_saif {
unsigned int cur_rate;
unsigned int ongoing;
- struct platform_device *soc_platform_pdev;
u32 fifo_underrun;
u32 fifo_overrun;
};
diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
index 60f052b7cf22..3e6e8764b2e6 100644
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -18,6 +18,8 @@
#include <linux/module.h>
#include <linux/device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
@@ -90,7 +92,7 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
.codec_dai_name = "sgtl5000",
.codec_name = "sgtl5000.0-000a",
.cpu_dai_name = "mxs-saif.0",
- .platform_name = "mxs-pcm-audio.0",
+ .platform_name = "mxs-saif.0",
.ops = &mxs_sgtl5000_hifi_ops,
}, {
.name = "HiFi Rx",
@@ -98,7 +100,7 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
.codec_dai_name = "sgtl5000",
.codec_name = "sgtl5000.0-000a",
.cpu_dai_name = "mxs-saif.1",
- .platform_name = "mxs-pcm-audio.1",
+ .platform_name = "mxs-saif.1",
.ops = &mxs_sgtl5000_hifi_ops,
},
};
@@ -110,11 +112,48 @@ static struct snd_soc_card mxs_sgtl5000 = {
.num_links = ARRAY_SIZE(mxs_sgtl5000_dai),
};
+static int __devinit mxs_sgtl5000_probe_dt(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *saif_np[2], *codec_np;
+ int i, ret = 0;
+
+ if (!np)
+ return 1; /* no device tree */
+
+ saif_np[0] = of_parse_phandle(np, "saif-controllers", 0);
+ saif_np[1] = of_parse_phandle(np, "saif-controllers", 1);
+ codec_np = of_parse_phandle(np, "audio-codec", 0);
+ if (!saif_np[0] || !saif_np[1] || !codec_np) {
+ dev_err(&pdev->dev, "phandle missing or invalid\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < 2; i++) {
+ mxs_sgtl5000_dai[i].codec_name = NULL;
+ mxs_sgtl5000_dai[i].codec_of_node = codec_np;
+ mxs_sgtl5000_dai[i].cpu_dai_name = NULL;
+ mxs_sgtl5000_dai[i].cpu_dai_of_node = saif_np[i];
+ mxs_sgtl5000_dai[i].platform_name = NULL;
+ mxs_sgtl5000_dai[i].platform_of_node = saif_np[i];
+ }
+
+ of_node_put(codec_np);
+ of_node_put(saif_np[0]);
+ of_node_put(saif_np[1]);
+
+ return ret;
+}
+
static int __devinit mxs_sgtl5000_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &mxs_sgtl5000;
int ret;
+ ret = mxs_sgtl5000_probe_dt(pdev);
+ if (ret < 0)
+ return ret;
+
/*
* Set an init clock(11.28Mhz) for sgtl5000 initialization(i2c r/w).
* The Sgtl5000 sysclk is derived from saif0 mclk and it's range
@@ -148,10 +187,17 @@ static int __devexit mxs_sgtl5000_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id mxs_sgtl5000_dt_ids[] = {
+ { .compatible = "fsl,mxs-audio-sgtl5000", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxs_sgtl5000_dt_ids);
+
static struct platform_driver mxs_sgtl5000_audio_driver = {
.driver = {
.name = "mxs-sgtl5000",
.owner = THIS_MODULE,
+ .of_match_table = mxs_sgtl5000_dt_ids,
},
.probe = mxs_sgtl5000_probe,
.remove = __devexit_p(mxs_sgtl5000_remove),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 03:53:10 +0000