1 files changed, 44 insertions, 0 deletions

diff --git a/include/asm-arm/arch-pxa/pxafb.h b/include/asm-arm/arch-pxa/pxafb.h
index 5cf51a5137b7..41a6c2297f9f 100644
--- a/include/asm-arm/arch-pxa/pxafb.h
+++ b/include/asm-arm/arch-pxa/pxafb.h
@@ -16,6 +16,48 @@
 #include <asm/arch/regs-lcd.h>
 
 /*
+ * Supported LCD connections
+ *
+ * bits 0 - 3: for LCD panel type:
+ *
+ *   STN  - for passive matrix
+ *   DSTN - for dual scan passive matrix
+ *   TFT  - for active matrix
+ *
+ * bits 4 - 9 : for bus width
+ * bits 10-17 : for AC Bias Pin Frequency
+ * bit     18 : for output enable polarity
+ * bit     19 : for pixel clock edge
+ */
+#define LCD_CONN_TYPE(_x)       ((_x) & 0x0f)
+#define LCD_CONN_WIDTH(_x)      (((_x) >> 4) & 0x1f)
+
+#define LCD_TYPE_UNKNOWN        0
+#define LCD_TYPE_MONO_STN       1
+#define LCD_TYPE_MONO_DSTN      2
+#define LCD_TYPE_COLOR_STN      3
+#define LCD_TYPE_COLOR_DSTN     4
+#define LCD_TYPE_COLOR_TFT      5
+#define LCD_TYPE_SMART_PANEL    6
+#define LCD_TYPE_MAX            7
+
+#define LCD_MONO_STN_4BPP       ((4  << 4) | LCD_TYPE_MONO_STN)
+#define LCD_MONO_STN_8BPP       ((8  << 4) | LCD_TYPE_MONO_STN)
+#define LCD_MONO_DSTN_8BPP      ((8  << 4) | LCD_TYPE_MONO_DSTN)
+#define LCD_COLOR_STN_8BPP      ((8  << 4) | LCD_TYPE_COLOR_STN)
+#define LCD_COLOR_DSTN_16BPP    ((16 << 4) | LCD_TYPE_COLOR_DSTN)
+#define LCD_COLOR_TFT_16BPP     ((16 << 4) | LCD_TYPE_COLOR_TFT)
+#define LCD_COLOR_TFT_18BPP     ((18 << 4) | LCD_TYPE_COLOR_TFT)
+#define LCD_SMART_PANEL_16BPP   ((16 << 4) | LCD_TYPE_SMART_PANEL)
+#define LCD_SMART_PANEL_18BPP   ((18 << 4) | LCD_TYPE_SMART_PANEL)
+
+#define LCD_AC_BIAS_FREQ(x)     (((x) & 0xff) << 10)
+#define LCD_BIAS_ACTIVE_HIGH    (0 << 17)
+#define LCD_BIAS_ACTIVE_LOW     (1 << 17)
+#define LCD_PCLK_EDGE_RISE      (0 << 18)
+#define LCD_PCLK_EDGE_FALL      (1 << 18)
+
+/*
  * This structure describes the machine which we are running on.
  * It is set in linux/arch/arm/mach-pxa/machine_name.c and used in the probe routine
  * of linux/drivers/video/pxafb.c
@@ -44,6 +86,8 @@ struct pxafb_mach_info {
         struct pxafb_mode_info *modes;
         unsigned int num_modes;
 
+        unsigned int    lcd_conn;
+
         u_int           fixed_modes:1,
                         cmap_inverse:1,
                         cmap_static:1,