From 6d86577124bd674209954517a074a472456c758b Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Tue, 31 Aug 2010 14:46:41 +0900 Subject: [PATCH] fbdev: sh-mobile: Add HDMI sound type selection Signed-off-by: Kuninori Morimoto Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- drivers/video/sh_mobile_hdmi.c | 21 ++++++++++++++++++++- include/video/sh_mobile_hdmi.h | 16 ++++++++++++++++ 2 files changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index 2fde08cc66bf..8a05c5b0b9b8 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -318,6 +318,9 @@ 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 +338,23 @@ 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_SRC_MASK) { + default: + /* FALL THROUGH */ + case HDMI_SRC_I2S: + data = (0x0 << 3); + break; + case HDMI_SRC_SPDIF: + data = (0x1 << 3); + break; + case HDMI_SRC_DSD: + data = (0x2 << 3); + break; + case HDMI_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); diff --git a/include/video/sh_mobile_hdmi.h b/include/video/sh_mobile_hdmi.h index 577cf18cce89..929c2d3147bc 100644 --- a/include/video/sh_mobile_hdmi.h +++ b/include/video/sh_mobile_hdmi.h @@ -14,9 +14,25 @@ struct sh_mobile_lcdc_chan_cfg; struct device; +/* + * flags format + * + * 0x0000000A + * + * A: Audio source select + */ + +/* Audio source select */ +#define HDMI_SRC_MASK (0xF << 0) +#define HDMI_SRC_I2S (0 << 0) /* default */ +#define HDMI_SRC_SPDIF (1 << 0) +#define HDMI_SRC_DSD (2 << 0) +#define HDMI_SRC_HBR (3 << 0) + struct sh_mobile_hdmi_info { struct sh_mobile_lcdc_chan_cfg *lcd_chan; struct device *lcd_dev; + unsigned int flags; }; #endif -- GitLab