drm/amd/include: Add OCSC registers

Add registers for handling Post Gamma Color Blending (OCSC), which is
useful for conversion from RGB->YUV for HDMI.

Reviewed-by: Leo Li <[e-mail]>
Acked-by: Harry Wentland <[e-mail]>
Signed-off-by: Rodrigo Siqueira <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_2_0_0_offset.h

···
 #define mmMPC_OUT5_CSC_C33_C34_B                                                                       0x1604
 #define mmMPC_OUT5_CSC_C33_C34_B_BASE_IDX                                                              2
 
+#define mmMPC_OCSC_TEST_DEBUG_INDEX                                                                    0x163b
+#define mmMPC_OCSC_TEST_DEBUG_INDEX_BASE_IDX                                                           2
+#define mmMPC_OCSC_TEST_DEBUG_DATA_BASE_IDX                                                            2
+#define mmMPC_OCSC_TEST_DEBUG_DATA                                                                     0x163c
 
 // addressBlock: dce_dc_mpc_mpc_dcperfmon_dc_perfmon_dispdec
 // base address: 0x5964

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_2_0_0_sh_mask.h

···
 #define MPC_OUT5_CSC_C33_C34_B__MPC_OCSC_C34_B__SHIFT                                                         0x10
 #define MPC_OUT5_CSC_C33_C34_B__MPC_OCSC_C33_B_MASK                                                           0x0000FFFFL
 #define MPC_OUT5_CSC_C33_C34_B__MPC_OCSC_C34_B_MASK                                                           0xFFFF0000L
-
+//MPC_OCSC_TEST_DEBUG_INDEX
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_INDEX__SHIFT                                           0x0
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_WRITE_EN__SHIFT                                        0x8
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_INDEX_MASK                                             0x000000FFL
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_WRITE_EN_MASK                                          0x00000100L
+//MPC_OCSC_TEST_DEBUG_DATA
+#define MPC_OCSC_TEST_DEBUG_DATA__MPC_OCSC_TEST_DEBUG_DATA__SHIFT                                             0x0
+#define MPC_OCSC_TEST_DEBUG_DATA__MPC_OCSC_TEST_DEBUG_DATA_MASK                                               0xFFFFFFFFL
 
 // addressBlock: dce_dc_mpc_mpc_dcperfmon_dc_perfmon_dispdec
 //DC_PERFMON17_PERFCOUNTER_CNTL

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_2_1_0_offset.h

···
 #define mmMPC_OUT3_CSC_C31_C32_B_BASE_IDX                                                              2
 #define mmMPC_OUT3_CSC_C33_C34_B                                                                       0x15ea
 #define mmMPC_OUT3_CSC_C33_C34_B_BASE_IDX                                                              2
-
+#define mmMPC_OCSC_TEST_DEBUG_INDEX                                                                    0x163b
+#define mmMPC_OCSC_TEST_DEBUG_INDEX_BASE_IDX                                                           2
+#define mmMPC_OCSC_TEST_DEBUG_DATA_BASE_IDX                                                            2
+#define mmMPC_OCSC_TEST_DEBUG_DATA                                                                     0x163c
 
 // addressBlock: dce_dc_mpc_mpc_dcperfmon_dc_perfmon_dispdec
 // base address: 0x5964

drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_2_1_0_sh_mask.h

···
 #define AZF0INPUTENDPOINT7_AZALIA_F0_CODEC_INPUT_PIN_CONTROL_INFOFRAME__INFOFRAME_BYTE_5_MASK                 0x00FF0000L
 #define AZF0INPUTENDPOINT7_AZALIA_F0_CODEC_INPUT_PIN_CONTROL_INFOFRAME__INFOFRAME_VALID_MASK                  0x80000000L
 
+//MPC_OCSC_TEST_DEBUG_INDEX
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_INDEX__SHIFT                                           0x0
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_WRITE_EN__SHIFT                                        0x8
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_INDEX_MASK                                             0x000000FFL
+#define MPC_OCSC_TEST_DEBUG_INDEX__MPC_OCSC_TEST_DEBUG_WRITE_EN_MASK                                          0x00000100L
+//MPC_OCSC_TEST_DEBUG_DATA
+#define MPC_OCSC_TEST_DEBUG_DATA__MPC_OCSC_TEST_DEBUG_DATA__SHIFT                                             0x0
+#define MPC_OCSC_TEST_DEBUG_DATA__MPC_OCSC_TEST_DEBUG_DATA_MASK                                               0xFFFFFFFFL
 
 #endif