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authorTakashi Iwai <tiwai@suse.de>2010-10-25 10:00:30 +0200
committerTakashi Iwai <tiwai@suse.de>2010-10-25 10:00:30 +0200
commitaa5c14d5c0d3e4c587db4a1b220b9c86415c538f (patch)
tree0114637e8be2b38176e7e91e6cea3501b22cb66a /drivers/video
parent79fc84c7e0d2fe89c4e82f3a26fd8b0d13c31703 (diff)
parentb11bdb5254ff17cb63e4ae5088b73fdcd2cc2602 (diff)
Merge branch 'topic/asoc' into for-linus
Conflicts: arch/powerpc/platforms/85xx/p1022_ds.c
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/Kconfig3
-rw-r--r--drivers/video/sh_mobile_hdmi.c84
2 files changed, 86 insertions, 1 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 8b31fdfefc9..935cdc204f9 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1919,6 +1919,9 @@ config FB_SH_MOBILE_HDMI
tristate "SuperH Mobile HDMI controller support"
depends on FB_SH_MOBILE_LCDC
select FB_MODE_HELPERS
+ select SOUND
+ select SND
+ select SND_SOC
---help---
Driver for the on-chip SH-Mobile HDMI controller.
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 2fde08cc66b..ef989d94511 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -22,6 +22,8 @@
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/workqueue.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
#include <video/sh_mobile_hdmi.h>
#include <video/sh_mobile_lcdc.h>
@@ -222,6 +224,58 @@ static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg)
return ioread8(hdmi->base + reg);
}
+/*
+ * HDMI sound
+ */
+static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
+
+ return hdmi_read(hdmi, reg);
+}
+
+static int sh_hdmi_snd_write(struct snd_soc_codec *codec,
+ unsigned int reg,
+ unsigned int value)
+{
+ struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
+
+ hdmi_write(hdmi, value, reg);
+ return 0;
+}
+
+static struct snd_soc_dai_driver sh_hdmi_dai = {
+ .name = "sh_mobile_hdmi-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+ SNDRV_PCM_RATE_192000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+};
+
+static int sh_hdmi_snd_probe(struct snd_soc_codec *codec)
+{
+ dev_info(codec->dev, "SH Mobile HDMI Audio Codec");
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = {
+ .probe = sh_hdmi_snd_probe,
+ .read = sh_hdmi_snd_read,
+ .write = sh_hdmi_snd_write,
+};
+
+/*
+ * HDMI video
+ */
+
/* External video parameter settings */
static void hdmi_external_video_param(struct sh_hdmi *hdmi)
{
@@ -318,6 +372,9 @@ static void sh_hdmi_video_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
{
+ u8 data;
+ struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+
/*
* [7:4] L/R data swap control
* [3:0] appropriate N[19:16]
@@ -335,7 +392,23 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
* [6:5] set required down sampling rate if required
* [4:3] set required audio source
*/
- hdmi_write(hdmi, 0x00, HDMI_AUDIO_SETTING_1);
+ switch (pdata->flags & HDMI_SND_SRC_MASK) {
+ default:
+ /* fall through */
+ case HDMI_SND_SRC_I2S:
+ data = 0x0 << 3;
+ break;
+ case HDMI_SND_SRC_SPDIF:
+ data = 0x1 << 3;
+ break;
+ case HDMI_SND_SRC_DSD:
+ data = 0x2 << 3;
+ break;
+ case HDMI_SND_SRC_HBR:
+ data = 0x3 << 3;
+ break;
+ }
+ hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1);
/* [3:0] set sending channel number for channel status */
hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
@@ -891,6 +964,11 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ ret = snd_soc_register_codec(&pdev->dev,
+ &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1);
+ if (ret < 0)
+ goto esndreg;
+
hdmi->dev = &pdev->dev;
hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
@@ -976,6 +1054,8 @@ eclkenable:
erate:
clk_put(hdmi->hdmi_clk);
egetclk:
+ snd_soc_unregister_codec(&pdev->dev);
+esndreg:
kfree(hdmi);
return ret;
@@ -988,6 +1068,8 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev)
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
int irq = platform_get_irq(pdev, 0);
+ snd_soc_unregister_codec(&pdev->dev);
+
pdata->lcd_chan->board_cfg.display_on = NULL;
pdata->lcd_chan->board_cfg.display_off = NULL;
pdata->lcd_chan->board_cfg.board_data = NULL;