diff options
Diffstat (limited to 'drivers/video/fbdev/omap2')
-rw-r--r-- | drivers/video/fbdev/omap2/displays-new/encoder-tfp410.c | 1 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/displays-new/encoder-tpd12s015.c | 1 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/dss/dss-of.c | 58 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/dss/dss.h | 4 | ||||
-rw-r--r-- | drivers/video/fbdev/omap2/dss/output.c | 19 |
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", ®); + 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) { |