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authorTomi Valkeinen <tomi.valkeinen@ti.com>2011-08-31 14:33:31 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2011-09-30 16:16:42 +0300
commit4a61e267c84e98caeddcab25432a871bf1a599dd (patch)
tree4ddb42872a60e72578358b056781ce2edc92e94c /drivers/video
parent7f6f3c4bf3f0fd4ea82682b5f1a417cbdbf4a27f (diff)
downloadblackbird-op-linux-4a61e267c84e98caeddcab25432a871bf1a599dd.tar.gz
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OMAP: DSS2: add dss_get_hdmi_venc_clk_source()
Add dss_get_hdmi_venc_clk_source(), which can be used to get the value programmed with dss_select_hdmi_venc_clk_source(). This can be used to find out if the digit output is going to VENC or HDMI. For OMAP2/3 dss_get_hdmi_venc_clk_source() always returns DSS_VENC_TV_CLK. Cc: Mythri P K <mythripk@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/dss/dss.c11
-rw-r--r--drivers/video/omap2/dss/dss.h1
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 356d3c15a639..3e09726d32c7 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -639,6 +639,17 @@ void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select hdmi)
REG_FLD_MOD(DSS_CONTROL, hdmi, 15, 15); /* VENC_HDMI_SWITCH */
}
+enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
+{
+ enum omap_display_type displays;
+
+ displays = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
+ if ((displays & OMAP_DISPLAY_TYPE_HDMI) == 0)
+ return DSS_VENC_TV_CLK;
+
+ return REG_GET(DSS_CONTROL, 15, 15);
+}
+
static int dss_get_clocks(void)
{
struct clk *clk;
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index d790580a6a3b..48bba53de0ab 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -205,6 +205,7 @@ int dss_runtime_get(void);
void dss_runtime_put(void);
void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
+enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
void dss_dump_clocks(struct seq_file *s);
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