drm/amd/display: Add DCN2 OPTC

Add support for programming the DCN2 OPTC (Output Timing Controller)

HW Blocks:

    +--------+
    |  OPTC  |
    +--------+
        |
        v
    +--------+       +--------+
    |  DIO   |       |  DCCG  |
    +--------+       +--------+
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h

@@ -89,7 +89,6 @@
 	SRI(OTG_GLOBAL_CONTROL2, OTG, inst),\
 	SRI(OTG_TRIGA_MANUAL_TRIG, OTG, inst)
 
-
 #define TG_COMMON_REG_LIST_DCN1_0(inst) \
 	TG_COMMON_REG_LIST_DCN(inst),\
 	SRI(OTG_TEST_PATTERN_PARAMETERS, OTG, inst),\
@@ -164,6 +163,13 @@ struct dcn_optc_registers {
 	uint32_t OTG_CRC0_WINDOWB_X_CONTROL;
 	uint32_t OTG_CRC0_WINDOWB_Y_CONTROL;
 	uint32_t GSL_SOURCE_SELECT;
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+	uint32_t DWB_SOURCE_SELECT;
+	uint32_t OTG_DSC_START_POSITION;
+	uint32_t OPTC_DATA_FORMAT_CONTROL;
+	uint32_t OPTC_BYTES_PER_PIXEL;
+	uint32_t OPTC_WIDTH_CONTROL;
+#endif
 };
 
 #define TG_COMMON_MASK_SH_LIST_DCN(mask_sh)\
@@ -442,10 +448,35 @@ struct dcn_optc_registers {
 	type MANUAL_FLOW_CONTROL;\
 	type MANUAL_FLOW_CONTROL_SEL;
 
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+
+#define TG_REG_FIELD_LIST(type) \
+	TG_REG_FIELD_LIST_DCN1_0(type)\
+	type MASTER_UPDATE_LOCK_DB_X;\
+	type MASTER_UPDATE_LOCK_DB_Y;\
+	type MASTER_UPDATE_LOCK_DB_EN;\
+	type GLOBAL_UPDATE_LOCK_EN;\
+	type DIG_UPDATE_LOCATION;\
+	type OTG_DSC_START_POSITION_X;\
+	type OTG_DSC_START_POSITION_LINE_NUM;\
+	type OPTC_NUM_OF_INPUT_SEGMENT;\
+	type OPTC_SEG0_SRC_SEL;\
+	type OPTC_SEG1_SRC_SEL;\
+	type OPTC_MEM_SEL;\
+	type OPTC_DSC_MODE;\
+	type OPTC_DSC_BYTES_PER_PIXEL;\
+	type OPTC_DSC_SLICE_WIDTH;\
+	type OPTC_SEGMENT_WIDTH;\
+	type OPTC_DWB0_SOURCE_SELECT;\
+	type OPTC_DWB1_SOURCE_SELECT;
+
+#else
 
 #define TG_REG_FIELD_LIST(type) \
 	TG_REG_FIELD_LIST_DCN1_0(type)
 
+#endif
+
 
 struct dcn_optc_shift {
 	TG_REG_FIELD_LIST(uint8_t)

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h

+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_OPTC_DCN20_H__
+#define __DC_OPTC_DCN20_H__
+
+#include "../dcn10/dcn10_optc.h"
+
+#define TG_COMMON_REG_LIST_DCN2_0(inst) \
+	TG_COMMON_REG_LIST_DCN(inst),\
+	SRI(OTG_GLOBAL_CONTROL1, OTG, inst),\
+	SRI(OTG_GLOBAL_CONTROL2, OTG, inst),\
+	SRI(OTG_GSL_WINDOW_X, OTG, inst),\
+	SRI(OTG_GSL_WINDOW_Y, OTG, inst),\
+	SRI(OTG_VUPDATE_KEEPOUT, OTG, inst),\
+	SRI(OTG_DSC_START_POSITION, OTG, inst),\
+	SRI(OPTC_DATA_FORMAT_CONTROL, ODM, inst),\
+	SRI(OPTC_BYTES_PER_PIXEL, ODM, inst),\
+	SRI(OPTC_WIDTH_CONTROL, ODM, inst),\
+	SRI(OPTC_MEMORY_CONFIG, ODM, inst),\
+	SR(DWB_SOURCE_SELECT)
+
+#define TG_COMMON_MASK_SH_LIST_DCN2_0(mask_sh)\
+	TG_COMMON_MASK_SH_LIST_DCN(mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_X, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_Y, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_EN, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL2, GLOBAL_UPDATE_LOCK_EN, mask_sh),\
+	SF(OTG0_OTG_GLOBAL_CONTROL2, DIG_UPDATE_LOCATION, mask_sh),\
+	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_RANGE_TIMING_DBUF_UPDATE_MODE, mask_sh),\
+	SF(OTG0_OTG_GSL_WINDOW_X, OTG_GSL_WINDOW_START_X, mask_sh),\
+	SF(OTG0_OTG_GSL_WINDOW_X, OTG_GSL_WINDOW_END_X, mask_sh), \
+	SF(OTG0_OTG_GSL_WINDOW_Y, OTG_GSL_WINDOW_START_Y, mask_sh),\
+	SF(OTG0_OTG_GSL_WINDOW_Y, OTG_GSL_WINDOW_END_Y, mask_sh),\
+	SF(OTG0_OTG_VUPDATE_KEEPOUT, OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, mask_sh), \
+	SF(OTG0_OTG_VUPDATE_KEEPOUT, MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, mask_sh), \
+	SF(OTG0_OTG_VUPDATE_KEEPOUT, MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, mask_sh), \
+	SF(OTG0_OTG_GSL_CONTROL, OTG_GSL_MASTER_MODE, mask_sh), \
+	SF(OTG0_OTG_GSL_CONTROL, OTG_MASTER_UPDATE_LOCK_GSL_EN, mask_sh), \
+	SF(OTG0_OTG_DSC_START_POSITION, OTG_DSC_START_POSITION_X, mask_sh), \
+	SF(OTG0_OTG_DSC_START_POSITION, OTG_DSC_START_POSITION_LINE_NUM, mask_sh),\
+	SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_SEG0_SRC_SEL, mask_sh),\
+	SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_SEG1_SRC_SEL, mask_sh),\
+	SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_NUM_OF_INPUT_SEGMENT, mask_sh),\
+	SF(ODM0_OPTC_MEMORY_CONFIG, OPTC_MEM_SEL, mask_sh),\
+	SF(ODM0_OPTC_DATA_FORMAT_CONTROL, OPTC_DSC_MODE, mask_sh),\
+	SF(ODM0_OPTC_BYTES_PER_PIXEL, OPTC_DSC_BYTES_PER_PIXEL, mask_sh),\
+	SF(ODM0_OPTC_WIDTH_CONTROL, OPTC_DSC_SLICE_WIDTH, mask_sh),\
+	SF(ODM0_OPTC_WIDTH_CONTROL, OPTC_SEGMENT_WIDTH, mask_sh),\
+	SF(DWB_SOURCE_SELECT, OPTC_DWB0_SOURCE_SELECT, mask_sh),\
+	SF(DWB_SOURCE_SELECT, OPTC_DWB1_SOURCE_SELECT, mask_sh)
+
+void dcn20_timing_generator_init(struct optc *optc);
+
+bool optc2_enable_crtc(struct timing_generator *optc);
+
+void optc2_set_gsl(struct timing_generator *optc,
+		const struct gsl_params *params);
+
+void optc2_set_gsl_source_select(struct timing_generator *optc,
+		int group_idx,
+		uint32_t gsl_ready_signal);
+
+
+void optc2_set_odm_bypass(struct timing_generator *optc,
+		const struct dc_crtc_timing *dc_crtc_timing);
+
+void optc2_set_odm_combine(struct timing_generator *optc, int combine_opp_id, int mpcc_hactive);
+
+void optc2_get_optc_source(struct timing_generator *optc,
+		uint32_t *num_of_src_opp,
+		uint32_t *src_opp_id_0,
+		uint32_t *src_opp_id_1);
+
+void optc2_triplebuffer_lock(struct timing_generator *optc);
+void optc2_triplebuffer_unlock(struct timing_generator *optc);
+void optc2_lock(struct timing_generator *optc);
+void optc2_lock_global(struct timing_generator *optc);
+void optc2_setup_global_lock(struct timing_generator *optc);
+
+#endif /* __DC_OPTC_DCN20_H__ */

drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h

@@ -35,6 +35,9 @@
  ******************************************************************************/
 
 #define MAX_PIPES 6
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+#define MAX_DWB_PIPES	1
+#endif
 
 struct gamma_curve {
 	uint32_t offset;
@@ -77,6 +80,37 @@ struct pwl_result_data {
 	uint32_t delta_blue_reg;
 };
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+struct dc_rgb {
+	uint32_t red;
+	uint32_t green;
+	uint32_t blue;
+};
+
+struct tetrahedral_17x17x17 {
+	struct dc_rgb lut0[1229];
+	struct dc_rgb lut1[1228];
+	struct dc_rgb lut2[1228];
+	struct dc_rgb lut3[1228];
+};
+struct tetrahedral_9x9x9 {
+	struct dc_rgb lut0[183];
+	struct dc_rgb lut1[182];
+	struct dc_rgb lut2[182];
+	struct dc_rgb lut3[182];
+};
+
+struct tetrahedral_params {
+	union {
+		struct tetrahedral_17x17x17 tetrahedral_17;
+		struct tetrahedral_9x9x9 tetrahedral_9;
+	};
+	bool use_tetrahedral_9;
+	bool use_12bits;
+
+};
+#endif
+
 /* arr_curve_points - regamma regions/segments specification
  * arr_points - beginning and end point specified separately (only one on DCE)
  * corner_points - beginning and end point for all 3 colors (DCN)
@@ -160,6 +194,7 @@ enum opp_regamma {
 	OPP_REGAMMA_USER
 };
 
+
 struct dc_bias_and_scale {
 	uint16_t scale_red;
 	uint16_t bias_red;
@@ -181,7 +216,12 @@ enum test_pattern_mode {
 	TEST_PATTERN_MODE_VERTICALBARS,
 	TEST_PATTERN_MODE_HORIZONTALBARS,
 	TEST_PATTERN_MODE_SINGLERAMP_RGB,
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	TEST_PATTERN_MODE_DUALRAMP_RGB,
+	TEST_PATTERN_MODE_XR_BIAS_RGB
+#else
 	TEST_PATTERN_MODE_DUALRAMP_RGB
+#endif
 };
 
 enum test_pattern_color_format {
@@ -203,7 +243,8 @@ enum controller_dp_test_pattern {
 	CONTROLLER_DP_TEST_PATTERN_RESERVED_8,
 	CONTROLLER_DP_TEST_PATTERN_RESERVED_9,
 	CONTROLLER_DP_TEST_PATTERN_RESERVED_A,
-	CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA
+	CONTROLLER_DP_TEST_PATTERN_COLORSQUARES_CEA,
+	CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR
 };
 
 enum dc_lut_mode {

drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h

@@ -188,6 +188,10 @@ struct timing_generator_funcs {
 	void (*unlock)(struct timing_generator *tg);
 	void (*lock)(struct timing_generator *tg);
 	void (*lock_global)(struct timing_generator *tg);
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	void(*triplebuffer_unlock)(struct timing_generator *tg);
+	void(*triplebuffer_lock)(struct timing_generator *tg);
+#endif
 	void (*enable_reset_trigger)(struct timing_generator *tg,
 				     int source_tg_inst);
 	void (*enable_crtc_reset)(struct timing_generator *tg,
@@ -224,6 +228,16 @@ struct timing_generator_funcs {
 	bool (*is_optc_underflow_occurred)(struct timing_generator *tg);
 	void (*clear_optc_underflow)(struct timing_generator *tg);
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	void (*set_dwb_source)(struct timing_generator *optc,
+		uint32_t dwb_pipe_inst);
+
+	void (*get_optc_source)(struct timing_generator *optc,
+			uint32_t *num_of_input_segments,
+			uint32_t *seg0_src_sel,
+			uint32_t *seg1_src_sel);
+#endif
+
 	/**
 	 * Configure CRCs for the given timing generator. Return false if TG is
 	 * not on.
@@ -243,6 +257,14 @@ struct timing_generator_funcs {
 
 	void (*set_vtg_params)(struct timing_generator *optc,
 			const struct dc_crtc_timing *dc_crtc_timing);
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+	void (*set_odm_bypass)(struct timing_generator *tg, const struct dc_crtc_timing *dc_crtc_timing);
+	void (*set_odm_combine)(struct timing_generator *tg, int combine_opp_id, int mpcc_hactive);
+	void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
+	void (*set_gsl_source_select)(struct timing_generator *optc,
+			int group_idx,
+			uint32_t gsl_ready_signal);
+#endif
 };
 
 #endif