[media] s5p-mfc: Add controls to set vp8 enc profile

Add v4l2 controls to set desired profile for VP8 encoder.
Acceptable levels for VP8 encoder are
0: Version 0
1: Version 1
2: Version 2
3: Version 3

Signed-off-by: Kiran AVND <[e-mail]>
Signed-off-by: Pawel Osciak <[e-mail]>
Signed-off-by: Arun Kumar K <[e-mail]>
Signed-off-by: Kamil Debski <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

Documentation/DocBook/media/v4l/controls.xml

···
 	      <row><entry spanname="descr">Quantization parameter for a P frame for VP8.</entry>
 	      </row>
 
+	      <row><entry></entry></row>
+	      <row>
+		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_PROFILE</constant>&nbsp;</entry>
+		<entry>integer</entry>
+	      </row>
+	      <row><entry spanname="descr">Select the desired profile for VPx encoder.
+Acceptable values are 0, 1, 2 and 3 corresponding to encoder profiles 0, 1, 2 and 3.</entry>
+	      </row>
+
           <row><entry></entry></row>
         </tbody>
       </tgroup>

drivers/media/platform/s5p-mfc/s5p_mfc_common.h

···
 	u8 rc_max_qp;
 	u8 rc_frame_qp;
 	u8 rc_p_frame_qp;
+	u8 profile;
 };
 
 /**

drivers/media/platform/s5p-mfc/s5p_mfc_enc.c

···
 		.step = 1,
 		.default_value = 10,
 	},
+	{
+		.id = V4L2_CID_MPEG_VIDEO_VPX_PROFILE,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.minimum = 0,
+		.maximum = 3,
+		.step = 1,
+		.default_value = 0,
+	},
 };
 
 #define NUM_CTRLS ARRAY_SIZE(controls)
···
 		break;
 	case V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP:
 		p->codec.vp8.rc_p_frame_qp = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
+		p->codec.vp8.profile = ctrl->val;
 		break;
 	default:
 		v4l2_err(&dev->v4l2_dev, "Invalid control, id=%d, val=%d\n",

drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c

···
 	reg |= ((p->num_b_frame & 0x3) << 16);
 	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);
 
-	/* profile & level */
-	reg = 0;
-	/** profile */
-	reg |= (0x1 << 4);
+	/* profile - 0 ~ 3 */
+	reg = p_vp8->profile & 0x3;
 	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);
 
 	/* rate control config. */

drivers/media/v4l2-core/v4l2-ctrls.c

···
 	case V4L2_CID_MPEG_VIDEO_VPX_MAX_QP:			return "VPX Maximum QP Value";
 	case V4L2_CID_MPEG_VIDEO_VPX_I_FRAME_QP:		return "VPX I-Frame QP Value";
 	case V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP:		return "VPX P-Frame QP Value";
+	case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:			return "VPX Profile";
 
 	/* CAMERA controls */
 	/* Keep the order of the 'case's the same as in videodev2.h! */

include/uapi/linux/v4l2-controls.h

···
 #define V4L2_CID_MPEG_VIDEO_VPX_MAX_QP			(V4L2_CID_MPEG_BASE+508)
 #define V4L2_CID_MPEG_VIDEO_VPX_I_FRAME_QP		(V4L2_CID_MPEG_BASE+509)
 #define V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP		(V4L2_CID_MPEG_BASE+510)
+#define V4L2_CID_MPEG_VIDEO_VPX_PROFILE			(V4L2_CID_MPEG_BASE+511)
 
 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
 #define V4L2_CID_MPEG_CX2341X_BASE 				(V4L2_CTRL_CLASS_MPEG | 0x1000)