mdss: display: Add Mobile Display SubSystem driver

- Implements Linux frame buffer interface to interact with userspace
  libraries and applications, based on msm_fb frame buffer.
- Implement MDP driver which handles MDP core data path setup and
  hardware blocks programming.
- Support for UI through Linux frame buffer FBIOPAN_DISPLAY ioctl.

Change-Id: Ib98677b8d81d74283b27dea08a9f1a705c101bce
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>

include/linux/msm_mdp.h

@@ -86,6 +86,8 @@ enum {
 	MDP_YCRYCB_H2V1,  /* YCrYCb interleave */
 	MDP_Y_CRCB_H2V1,  /* Y and CrCb, pseduo planer w/ Cr is in MSB */
 	MDP_Y_CBCR_H2V1,   /* Y and CrCb, pseduo planer w/ Cr is in MSB */
+	MDP_Y_CRCB_H1V2,
+	MDP_Y_CBCR_H1V2,
 	MDP_RGBA_8888,    /* ARGB 888 */
 	MDP_BGRA_8888,	  /* ABGR 888 */
 	MDP_RGBX_8888,	  /* RGBX 888 */
@@ -98,10 +100,10 @@ enum {
 	MDP_Y_CBCR_H1V1,  /* Y and CbCr, pseduo planer w/ Cb is in MSB */
 	MDP_YCRCB_H1V1,   /* YCrCb interleave */
 	MDP_YCBCR_H1V1,   /* YCbCr interleave */
+	MDP_BGR_565,      /* BGR 565 planer */
 	MDP_IMGTYPE_LIMIT,
 	MDP_RGB_BORDERFILL,	/* border fill pipe */
-	MDP_BGR_565 = MDP_IMGTYPE2_START,      /* BGR 565 planer */
-	MDP_FB_FORMAT,    /* framebuffer format */
+	MDP_FB_FORMAT = MDP_IMGTYPE2_START,    /* framebuffer format */
 	MDP_IMGTYPE_LIMIT2 /* Non valid image type after this enum */
 };
 
@@ -118,6 +120,8 @@ enum {
 	NUM_HSIC_PARAM,
 };
 
+#define MDSS_MDP_RIGHT_MIXER		0x100
+
 /* mdp_blit_req flag values */
 #define MDP_ROT_NOP 0
 #define MDP_FLIP_LR 0x1