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Commit e9be1b86 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

media: v4l: fwnode: Use default parallel flags 



The caller may provide default flags for the endpoint. Change the
configuration based on what is available through the fwnode property API.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: default avatarSteve Longerbeam <steve_longerbeam@mentor.com>
Reviewed-by: default avatarJacopo Mondi <jacopo+renesas@jmondi.org>
Tested-by: default avatarJacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 26c1126c

drivers/media/v4l2-core/v4l2-fwnode.c

+19 −0
Original line number Diff line number Diff line
@@ -240,31 +240,44 @@ static void v4l2_fwnode_endpoint_parse_parallel_bus( 
	unsigned int flags = 0;

	u32 v;



	if (bus_type == V4L2_MBUS_PARALLEL || bus_type == V4L2_MBUS_BT656)

		flags = bus->flags;



	if (!fwnode_property_read_u32(fwnode, "hsync-active", &v)) {

		flags &= ~(V4L2_MBUS_HSYNC_ACTIVE_HIGH |

			   V4L2_MBUS_HSYNC_ACTIVE_LOW);

		flags |= v ? V4L2_MBUS_HSYNC_ACTIVE_HIGH :

			V4L2_MBUS_HSYNC_ACTIVE_LOW;

		pr_debug("hsync-active %s\n", v ? "high" : "low");

	}



	if (!fwnode_property_read_u32(fwnode, "vsync-active", &v)) {

		flags &= ~(V4L2_MBUS_VSYNC_ACTIVE_HIGH |

			   V4L2_MBUS_VSYNC_ACTIVE_LOW);

		flags |= v ? V4L2_MBUS_VSYNC_ACTIVE_HIGH :

			V4L2_MBUS_VSYNC_ACTIVE_LOW;

		pr_debug("vsync-active %s\n", v ? "high" : "low");

	}



	if (!fwnode_property_read_u32(fwnode, "field-even-active", &v)) {

		flags &= ~(V4L2_MBUS_FIELD_EVEN_HIGH |

			   V4L2_MBUS_FIELD_EVEN_LOW);

		flags |= v ? V4L2_MBUS_FIELD_EVEN_HIGH :

			V4L2_MBUS_FIELD_EVEN_LOW;

		pr_debug("field-even-active %s\n", v ? "high" : "low");

	}



	if (!fwnode_property_read_u32(fwnode, "pclk-sample", &v)) {

		flags &= ~(V4L2_MBUS_PCLK_SAMPLE_RISING |

			   V4L2_MBUS_PCLK_SAMPLE_FALLING);

		flags |= v ? V4L2_MBUS_PCLK_SAMPLE_RISING :

			V4L2_MBUS_PCLK_SAMPLE_FALLING;

		pr_debug("pclk-sample %s\n", v ? "high" : "low");

	}



	if (!fwnode_property_read_u32(fwnode, "data-active", &v)) {

		flags &= ~(V4L2_MBUS_PCLK_SAMPLE_RISING |

			   V4L2_MBUS_PCLK_SAMPLE_FALLING);

		flags |= v ? V4L2_MBUS_DATA_ACTIVE_HIGH :

			V4L2_MBUS_DATA_ACTIVE_LOW;

		pr_debug("data-active %s\n", v ? "high" : "low");
@@ -272,8 +285,10 @@ static void v4l2_fwnode_endpoint_parse_parallel_bus( 


	if (fwnode_property_present(fwnode, "slave-mode")) {

		pr_debug("slave mode\n");

		flags &= ~V4L2_MBUS_MASTER;

		flags |= V4L2_MBUS_SLAVE;

	} else {

		flags &= ~V4L2_MBUS_SLAVE;

		flags |= V4L2_MBUS_MASTER;

	}
@@ -288,12 +303,16 @@ static void v4l2_fwnode_endpoint_parse_parallel_bus( 
	}



	if (!fwnode_property_read_u32(fwnode, "sync-on-green-active", &v)) {

		flags &= ~(V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH |

			   V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW);

		flags |= v ? V4L2_MBUS_VIDEO_SOG_ACTIVE_HIGH :

			V4L2_MBUS_VIDEO_SOG_ACTIVE_LOW;

		pr_debug("sync-on-green-active %s\n", v ? "high" : "low");

	}



	if (!fwnode_property_read_u32(fwnode, "data-enable-active", &v)) {

		flags &= ~(V4L2_MBUS_DATA_ENABLE_HIGH |

			   V4L2_MBUS_DATA_ENABLE_LOW);

		flags |= v ? V4L2_MBUS_DATA_ENABLE_HIGH :

			V4L2_MBUS_DATA_ENABLE_LOW;

		pr_debug("data-enable-active %s\n", v ? "high" : "low");