x86: irq: Support flags for acpi_gpe

[platform/kernel/u-boot.git] / include / video.h

diff --git a/include/video.h b/include/video.h
index 1d57b48..1a0ffd8 100644 (file)
--- a/include/video.h
+++ b/include/video.h
@@ -17,10 +17,27 @@
 
 #include <stdio_dev.h>
 
+struct udevice;
+
+/**
+ * struct video_uc_platdata - uclass platform data for a video device
+ *
+ * This holds information that the uclass needs to know about each device. It
+ * is accessed using dev_get_uclass_platdata(dev). See 'Theory of operation' at
+ * the top of video-uclass.c for details on how this information is set.
+ *
+ * @align: Frame-buffer alignment, indicating the memory boundary the frame
+ *     buffer should start on. If 0, 1MB is assumed
+ * @size: Frame-buffer size, in bytes
+ * @base: Base address of frame buffer, 0 if not yet known
+ * @copy_base: Base address of a hardware copy of the frame buffer. See
+ *     CONFIG_VIDEO_COPY.
+ */
 struct video_uc_platdata {
        uint align;
        uint size;
        ulong base;
+       ulong copy_base;
 };
 
 enum video_polarity {
@@ -61,6 +78,8 @@ enum video_log2_bpp {
  * @font_size: Font size in pixels (0 to use a default value)
  * @fb:                Frame buffer
  * @fb_size:   Frame buffer size
+ * @copy_fb:   Copy of the frame buffer to keep up to date; see struct
+ *             video_uc_platdata
  * @line_length:       Length of each frame buffer line, in bytes. This can be
  *             set by the driver, but if not, the uclass will set it after
  *             probing
@@ -70,6 +89,7 @@ enum video_log2_bpp {
  *             the LCD is updated
  * @cmap:      Colour map for 8-bit-per-pixel displays
  * @fg_col_idx:        Foreground color code (bit 3 = bold, bit 0-2 = color)
+ * @bg_col_idx:        Background color code (bit 3 = bold, bit 0-2 = color)
  */
 struct video_priv {
        /* Things set up by the driver: */
@@ -86,12 +106,14 @@ struct video_priv {
         */
        void *fb;
        int fb_size;
+       void *copy_fb;
        int line_length;
        u32 colour_fg;
        u32 colour_bg;
        bool flush_dcache;
        ushort *cmap;
        u8 fg_col_idx;
+       u8 bg_col_idx;
 };
 
 /* Placeholder - there are no video operations at present */
@@ -198,6 +220,29 @@ void video_set_flush_dcache(struct udevice *dev, bool flush);
  */
 void video_set_default_colors(struct udevice *dev, bool invert);
 
+#ifdef CONFIG_VIDEO_COPY
+/**
+ * vidconsole_sync_copy() - Sync back to the copy framebuffer
+ *
+ * This ensures that the copy framebuffer has the same data as the framebuffer
+ * for a particular region. It should be called after the framebuffer is updated
+ *
+ * @from and @to can be in either order. The region between them is synced.
+ *
+ * @dev: Vidconsole device being updated
+ * @from: Start/end address within the framebuffer (->fb)
+ * @to: Other address within the frame buffer
+ * @return 0 if OK, -EFAULT if the start address is before the start of the
+ *     frame buffer start
+ */
+int video_sync_copy(struct udevice *dev, void *from, void *to);
+#else
+static inline int video_sync_copy(struct udevice *dev, void *from, void *to)
+{
+       return 0;
+}
+#endif
+
 #endif /* CONFIG_DM_VIDEO */
 
 #ifndef CONFIG_DM_VIDEO