drm/amd/display: Add DCN35 MMHUBBUB

[Why & How]
Add MMHUBBUB handling for DCN35.

Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 130 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c
new file mode 100644
index 000000000000..ea1042cdc88d
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 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.
+ *
+ */
+
+#include "dcn35_mmhubbub.h"
+#include "reg_helper.h"
+
+#define REG(reg)                                                             \
+	((const struct dcn35_mmhubbub_registers *)(mcif_wb30->mcif_wb_regs)) \
+		->reg
+
+#define CTX mcif_wb30->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name)                                                \
+	((const struct dcn35_mmhubbub_shift *)(mcif_wb30->mcif_wb_shift))       \
+		->field_name,                                                   \
+		((const struct dcn35_mmhubbub_mask *)(mcif_wb30->mcif_wb_mask)) \
+			->field_name
+
+void dcn35_mmhubbub_construct(
+	struct dcn30_mmhubbub *mcif_wb30, struct dc_context *ctx,
+	const struct dcn35_mmhubbub_registers *mcif_wb_regs,
+	const struct dcn35_mmhubbub_shift *mcif_wb_shift,
+	const struct dcn35_mmhubbub_mask *mcif_wb_mask, int inst)
+{
+	dcn32_mmhubbub_construct(
+		mcif_wb30, ctx,
+		(const struct dcn30_mmhubbub_registers *)(mcif_wb_regs),
+		(const struct dcn30_mmhubbub_shift *)(mcif_wb_shift),
+		(const struct dcn30_mmhubbub_mask *)(mcif_wb_mask), inst);
+}
+
+void dcn35_mmhubbub_set_fgcg(struct dcn30_mmhubbub *mcif_wb30, bool enabled)
+{
+	REG_UPDATE(MMHUBBUB_CLOCK_CNTL, MMHUBBUB_FGCG_REP_DIS, !enabled);
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.h b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.h
new file mode 100644
index 000000000000..e7b5b6703e73
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 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.
+ *
+ */
+
+#ifndef __DCN35_MMHUBBUB_H
+#define __DCN35_MMHUBBUB_H
+
+#include "mcif_wb.h"
+#include "dcn32/dcn32_mmhubbub.h"
+
+#define MCIF_WB_REG_VARIABLE_LIST_DCN3_5  \
+	MCIF_WB_REG_VARIABLE_LIST_DCN3_0; \
+	uint32_t MMHUBBUB_CLOCK_CNTL
+
+#define MCIF_WB_COMMON_MASK_SH_LIST_DCN3_5(mask_sh)                            \
+	MCIF_WB_COMMON_MASK_SH_LIST_DCN32(mask_sh),                            \
+		SF(MMHUBBUB_CLOCK_CNTL, MMHUBBUB_TEST_CLK_SEL, mask_sh),       \
+		SF(MMHUBBUB_CLOCK_CNTL, DISPCLK_R_MMHUBBUB_GATE_DIS, mask_sh), \
+		SF(MMHUBBUB_CLOCK_CNTL, DISPCLK_G_WBIF0_GATE_DIS, mask_sh),    \
+		SF(MMHUBBUB_CLOCK_CNTL, SOCCLK_G_WBIF0_GATE_DIS, mask_sh),     \
+		SF(MMHUBBUB_CLOCK_CNTL, MMHUBBUB_FGCG_REP_DIS, mask_sh)
+
+#define MCIF_WB_REG_FIELD_LIST_DCN3_5(type)          \
+	struct {                                     \
+		MCIF_WB_REG_FIELD_LIST_DCN3_0(type); \
+		type MMHUBBUB_TEST_CLK_SEL;          \
+		type DISPCLK_R_MMHUBBUB_GATE_DIS;    \
+		type DISPCLK_G_WBIF0_GATE_DIS;       \
+		type SOCCLK_G_WBIF0_GATE_DIS;        \
+		type MMHUBBUB_FGCG_REP_DIS;          \
+	}
+
+struct dcn35_mmhubbub_registers {
+	MCIF_WB_REG_VARIABLE_LIST_DCN3_5;
+};
+
+struct dcn35_mmhubbub_mask {
+	MCIF_WB_REG_FIELD_LIST_DCN3_5(uint32_t);
+};
+
+struct dcn35_mmhubbub_shift {
+	MCIF_WB_REG_FIELD_LIST_DCN3_5(uint8_t);
+};
+
+void dcn35_mmhubbub_construct(
+	struct dcn30_mmhubbub *mcif_wb30, struct dc_context *ctx,
+	const struct dcn35_mmhubbub_registers *mcif_wb_regs,
+	const struct dcn35_mmhubbub_shift *mcif_wb_shift,
+	const struct dcn35_mmhubbub_mask *mcif_wb_mask, int inst);
+
+void dcn35_mmhubbub_set_fgcg(struct dcn30_mmhubbub *mcif_wb30, bool enabled);
+
+#endif // __DCN35_MMHUBBUB_H