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path: root/drivers/video/fbdev/omap2
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Diffstat (limited to 'drivers/video/fbdev/omap2')
-rw-r--r--drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c1
-rw-r--r--drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c1
-rw-r--r--drivers/video/fbdev/omap2/dss/dss-of.c58
-rw-r--r--drivers/video/fbdev/omap2/dss/dss.h4
-rw-r--r--drivers/video/fbdev/omap2/dss/output.c19
5 files changed, 62 insertions, 21 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c b/drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c
index 47ee7cdee1c5..e349064ed615 100644
--- a/drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c
+++ b/drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c
@@ -249,6 +249,7 @@ static int tfp410_probe(struct platform_device *pdev)
dssdev->output_type = OMAP_DISPLAY_TYPE_DVI;
dssdev->owner = THIS_MODULE;
dssdev->phy.dpi.data_lines = ddata->data_lines;
+ dssdev->port_num = 1;
r = omapdss_register_output(dssdev);
if (r) {
diff --git a/drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c b/drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c
index c4abd56dd846..1891967b650c 100644
--- a/drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c
+++ b/drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c
@@ -409,6 +409,7 @@ static int tpd_probe(struct platform_device *pdev)
dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
dssdev->output_type = OMAP_DISPLAY_TYPE_HDMI;
dssdev->owner = THIS_MODULE;
+ dssdev->port_num = 1;
in = ddata->in;
diff --git a/drivers/video/fbdev/omap2/dss/dss-of.c b/drivers/video/fbdev/omap2/dss/dss-of.c
index a4b20aaf6142..928ee639c0c1 100644
--- a/drivers/video/fbdev/omap2/dss/dss-of.c
+++ b/drivers/video/fbdev/omap2/dss/dss-of.c
@@ -20,6 +20,8 @@
#include <video/omapdss.h>
+#include "dss.h"
+
struct device_node *
omapdss_of_get_next_port(const struct device_node *parent,
struct device_node *prev)
@@ -84,20 +86,17 @@ omapdss_of_get_next_endpoint(const struct device_node *parent,
}
EXPORT_SYMBOL_GPL(omapdss_of_get_next_endpoint);
-static struct device_node *
-omapdss_of_get_remote_device_node(const struct device_node *node)
+struct device_node *dss_of_port_get_parent_device(struct device_node *port)
{
struct device_node *np;
int i;
- np = of_parse_phandle(node, "remote-endpoint", 0);
-
- if (!np)
+ if (!port)
return NULL;
- np = of_get_next_parent(np);
+ np = of_get_next_parent(port);
- for (i = 0; i < 3 && np; ++i) {
+ for (i = 0; i < 2 && np; ++i) {
struct property *prop;
prop = of_find_property(np, "compatible", NULL);
@@ -111,6 +110,31 @@ omapdss_of_get_remote_device_node(const struct device_node *node)
return NULL;
}
+u32 dss_of_port_get_port_number(struct device_node *port)
+{
+ int r;
+ u32 reg;
+
+ r = of_property_read_u32(port, "reg", &reg);
+ if (r)
+ reg = 0;
+
+ return reg;
+}
+
+static struct device_node *omapdss_of_get_remote_port(const struct device_node *node)
+{
+ struct device_node *np;
+
+ np = of_parse_phandle(node, "remote-endpoint", 0);
+ if (!np)
+ return NULL;
+
+ np = of_get_next_parent(np);
+
+ return np;
+}
+
struct device_node *
omapdss_of_get_first_endpoint(const struct device_node *parent)
{
@@ -133,27 +157,25 @@ struct omap_dss_device *
omapdss_of_find_source_for_first_ep(struct device_node *node)
{
struct device_node *ep;
- struct device_node *src_node;
+ struct device_node *src_port;
struct omap_dss_device *src;
ep = omapdss_of_get_first_endpoint(node);
if (!ep)
return ERR_PTR(-EINVAL);
- src_node = omapdss_of_get_remote_device_node(ep);
-
- of_node_put(ep);
-
- if (!src_node)
+ src_port = omapdss_of_get_remote_port(ep);
+ if (!src_port) {
+ of_node_put(ep);
return ERR_PTR(-EINVAL);
+ }
- src = omap_dss_find_output_by_node(src_node);
+ of_node_put(ep);
- of_node_put(src_node);
+ src = omap_dss_find_output_by_port_node(src_port);
- if (!src)
- return ERR_PTR(-EPROBE_DEFER);
+ of_node_put(src_port);
- return src;
+ return src ? src : ERR_PTR(-EPROBE_DEFER);
}
EXPORT_SYMBOL_GPL(omapdss_of_find_source_for_first_ep);
diff --git a/drivers/video/fbdev/omap2/dss/dss.h b/drivers/video/fbdev/omap2/dss/dss.h
index da4de14aaf17..6f346bf518b5 100644
--- a/drivers/video/fbdev/omap2/dss/dss.h
+++ b/drivers/video/fbdev/omap2/dss/dss.h
@@ -215,6 +215,10 @@ 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);
+/* dss-of */
+struct device_node *dss_of_port_get_parent_device(struct device_node *port);
+u32 dss_of_port_get_port_number(struct device_node *port);
+
#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
void dss_debug_dump_clocks(struct seq_file *s);
#endif
diff --git a/drivers/video/fbdev/omap2/dss/output.c b/drivers/video/fbdev/omap2/dss/output.c
index 2ab3afa615e8..16072159bd24 100644
--- a/drivers/video/fbdev/omap2/dss/output.c
+++ b/drivers/video/fbdev/omap2/dss/output.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/of.h>
#include <video/omapdss.h>
@@ -131,18 +132,30 @@ struct omap_dss_device *omap_dss_find_output(const char *name)
}
EXPORT_SYMBOL(omap_dss_find_output);
-struct omap_dss_device *omap_dss_find_output_by_node(struct device_node *node)
+struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port)
{
+ struct device_node *src_node;
struct omap_dss_device *out;
+ u32 reg;
+
+ src_node = dss_of_port_get_parent_device(port);
+ if (!src_node)
+ return NULL;
+
+ reg = dss_of_port_get_port_number(port);
list_for_each_entry(out, &output_list, list) {
- if (out->dev->of_node == node)
+ if (out->dev->of_node == src_node && out->port_num == reg) {
+ of_node_put(src_node);
return omap_dss_get_device(out);
+ }
}
+ of_node_put(src_node);
+
return NULL;
}
-EXPORT_SYMBOL(omap_dss_find_output_by_node);
+EXPORT_SYMBOL(omap_dss_find_output_by_port_node);
struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev)
{