[alsa-devel] [PATCH] ASoC: sh: fsi-hdmi: Add FSI port and HDMI selection

[Kuninori Morimoto]

This patch add platform_device_id which can control
PortA/PortB for FSI2-HDMI from platform data.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
Paul

Can you please check it ?
because it change ap4/mackerel board

 arch/arm/mach-shmobile/board-ap4evb.c   |    5 ++
 arch/arm/mach-shmobile/board-mackerel.c |    5 ++
 sound/soc/sh/fsi-hdmi.c                 |   66 ++++++++++++++++++++++++++++--
 3 files changed, 71 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index d503a74..920ed81 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -781,6 +781,10 @@ static struct platform_device hdmi_device = {
 	},
 };
 
+static struct platform_device fsi_hdmi_device = {
+	.name		= "sh_fsi2_b_hdmi",
+};
+
 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
 				unsigned long *parent_freq)
 {
@@ -934,6 +938,7 @@ static struct platform_device *ap4evb_devices[] __initdata = {
 	&usb1_host_device,
 	&fsi_device,
 	&fsi_ak4643_device,
+	&fsi_hdmi_device,
 	&sh_mmcif_device,
 	&lcdc1_device,
 	&lcdc_device,
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 425962d..aa4bcc3 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -400,6 +400,10 @@ static struct platform_device hdmi_device = {
 	},
 };
 
+static struct platform_device fsi_hdmi_device = {
+	.name		= "sh_fsi2_b_hdmi",
+};
+
 static int __init hdmi_init_pm_clock(void)
 {
 	struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
@@ -920,6 +924,7 @@ static struct platform_device *mackerel_devices[] __initdata = {
 	&leds_device,
 	&fsi_device,
 	&fsi_ak4643_device,
+	&fsi_hdmi_device,
 	&sdhi0_device,
 #if !defined(CONFIG_MMC_SH_MMCIF)
 	&sdhi1_device,
diff --git a/sound/soc/sh/fsi-hdmi.c b/sound/soc/sh/fsi-hdmi.c
index 96d8ce3..9719985 100644
--- a/sound/soc/sh/fsi-hdmi.c
+++ b/sound/soc/sh/fsi-hdmi.c
@@ -12,6 +12,12 @@
 #include <linux/platform_device.h>
 #include <sound/sh_fsi.h>
 
+struct fsi_hdmi_data {
+	const char *cpu_dai;
+	const char *card;
+	int id;
+};
+
 static int fsi_hdmi_dai_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *cpu = rtd->cpu_dai;
@@ -25,7 +31,6 @@ static int fsi_hdmi_dai_init(struct snd_soc_pcm_runtime *rtd)
 static struct snd_soc_dai_link fsi_dai_link = {
 	.name		= "HDMI",
 	.stream_name	= "HDMI",
-	.cpu_dai_name	= "fsib-dai", /* fsi B */
 	.codec_dai_name	= "sh_mobile_hdmi-hifi",
 	.platform_name	= "sh_fsi2",
 	.codec_name	= "sh-mobile-hdmi",
@@ -33,21 +38,33 @@ static struct snd_soc_dai_link fsi_dai_link = {
 };
 
 static struct snd_soc_card fsi_soc_card  = {
-	.name		= "FSI (SH MOBILE HDMI)",
 	.dai_link	= &fsi_dai_link,
 	.num_links	= 1,
 };
 
 static struct platform_device *fsi_snd_device;
 
-static int __init fsi_hdmi_init(void)
+static int fsi_hdmi_probe(struct platform_device *pdev)
 {
 	int ret = -ENOMEM;
+	const struct platform_device_id	*id_entry;
+	struct fsi_hdmi_data *pdata;
 
-	fsi_snd_device = platform_device_alloc("soc-audio", FSI_PORT_B);
+	id_entry = pdev->id_entry;
+	if (!id_entry) {
+		dev_err(&pdev->dev, "unknown fsi hdmi\n");
+		return -ENODEV;
+	}
+
+	pdata = (struct fsi_hdmi_data *)id_entry->driver_data;
+
+	fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
 	if (!fsi_snd_device)
 		goto out;
 
+	fsi_dai_link.cpu_dai_name	= pdata->cpu_dai;
+	fsi_soc_card.name		= pdata->card;
+
 	platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
 	ret = platform_device_add(fsi_snd_device);
 
@@ -58,9 +75,48 @@ out:
 	return ret;
 }
 
-static void __exit fsi_hdmi_exit(void)
+static int fsi_hdmi_remove(struct platform_device *pdev)
 {
 	platform_device_unregister(fsi_snd_device);
+	return 0;
+}
+
+static struct fsi_hdmi_data fsi2_a_hdmi = {
+	.cpu_dai	= "fsia-dai",
+	.card		= "FSI2A (SH MOBILE HDMI)",
+	.id		= FSI_PORT_A,
+};
+
+static struct fsi_hdmi_data fsi2_b_hdmi = {
+	.cpu_dai	= "fsib-dai",
+	.card		= "FSI2B (SH MOBILE HDMI)",
+	.id		= FSI_PORT_B,
+};
+
+static struct platform_device_id fsi_id_table[] = {
+	/* FSI 2 */
+	{ "sh_fsi2_a_hdmi",	(kernel_ulong_t)&fsi2_a_hdmi },
+	{ "sh_fsi2_b_hdmi",	(kernel_ulong_t)&fsi2_b_hdmi },
+	{},
+};
+
+static struct platform_driver fsi_hdmi = {
+	.driver = {
+		.name	= "fsi-hdmi-audio",
+	},
+	.probe		= fsi_hdmi_probe,
+	.remove		= fsi_hdmi_remove,
+	.id_table	= fsi_id_table,
+};
+
+static int __init fsi_hdmi_init(void)
+{
+	return platform_driver_register(&fsi_hdmi);
+}
+
+static void __exit fsi_hdmi_exit(void)
+{
+	platform_driver_unregister(&fsi_hdmi);
 }
 
 module_init(fsi_hdmi_init);
-- 
1.7.1