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ASoC: Add sh_mobile_hdmi sound support 

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2010-08-31 14:47:07 +09:00 committed by Mark Brown
parent 41a686eedf
commit 1d6be338c1
1 changed files with 65 additions and 0 deletions
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65
drivers/video/sh_mobile_hdmi.c
View File

@ -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 +224,62 @@ 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 = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.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)
{
@ -910,6 +968,11 @@ 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 egetclk;
hdmi->dev = &pdev->dev;
hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
@ -1007,6 +1070,8 @@ 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;