gma500: Replace SDVO code with slightly modified version from i915

Our current SDVO implementation is not working properly, so replace it with
a modified version of the i915. Further testing and debugging is needed to make
sure we can handle the different SDVO setups and wiring.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index 962c1b6..3e63087 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -260,6 +260,16 @@
 	int enabled;
 };
 
+struct sdvo_device_mapping {
+	u8 initialized;
+	u8 dvo_port;
+	u8 slave_addr;
+	u8 dvo_wiring;
+	u8 i2c_pin;
+	u8 i2c_speed;
+	u8 ddc_pin;
+};
+
 struct intel_gmbus {
 	struct i2c_adapter adapter;
 	struct i2c_adapter *force_bit;
@@ -345,6 +355,15 @@
 	/* gmbus */
 	struct intel_gmbus *gmbus;
 
+	/* Used by SDVO */
+	int crt_ddc_pin;
+	/* FIXME: The mappings should be parsed from bios but for now we can
+		  pretend there are no mappings available */
+	struct sdvo_device_mapping sdvo_mappings[2];
+	u32 hotplug_supported_mask;
+	struct drm_property *broadcast_rgb_property;
+	struct drm_property *force_audio_property;
+
 	/*
 	 * LVDS info
 	 */