dm: video: Repurpose the 'displayport' uclass to 'display'

[oweals/u-boot.git] / include / display.h

diff --git a/include/display.h b/include/display.h
new file mode 100644 (file)
index 0000000..c180e76
--- /dev/null
+++ b/include/display.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _DISPLAY_H
+#define _DISPLAY_H
+
+struct udevice;
+struct display_timing;
+
+/**
+ * Display uclass platform data for each device
+ *
+ * @source_id: ID for the source of the display data, typically a video
+ * controller
+ * @src_dev:   Source device providing the video
+ */
+struct display_plat {
+       int source_id;
+       struct udevice *src_dev;
+};
+
+/**
+ * display_read_timing() - Read timing information from EDID
+ *
+ * @dev:       Device to read from
+ * @return 0 if OK, -ve on error
+ */
+int display_read_timing(struct udevice *dev, struct display_timing *timing);
+
+/**
+ * display_port_enable() - Enable a display port device
+ *
+ * @dev:       Device to enable
+ * @panel_bpp: Number of bits per pixel for panel
+ * @timing:    Display timings
+ * @return 0 if OK, -ve on error
+ */
+int display_enable(struct udevice *dev, int panel_bpp,
+                  const struct display_timing *timing);
+
+struct dm_display_ops {
+       /**
+        * read_edid() - Read information from EDID
+        *
+        * @dev:        Device to read from
+        * @buf:        Buffer to read into (should be EDID_SIZE bytes)
+        * @buf_size:   Buffer size (should be EDID_SIZE)
+        * @return number of bytes read, <=0 for error
+        */
+       int (*read_edid)(struct udevice *dev, u8 *buf, int buf_size);
+
+       /**
+        * enable() - Enable the display port device
+        *
+        * @dev:        Device to enable
+        * @panel_bpp:  Number of bits per pixel for panel
+        * @timing:     Display timings
+        * @return 0 if OK, -ve on error
+        */
+       int (*enable)(struct udevice *dev, int panel_bpp,
+                     const struct display_timing *timing);
+};
+
+#define display_get_ops(dev)   ((struct dm_display_ops *)(dev)->driver->ops)
+
+#endif