drm/amd/display: add DMUB source files and changes for DCN351

DMUB support is required to light-up displays.

Signed-off-by: Hamza Mahfooz <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: effective-light

drivers/gpu/drm/amd/display/dmub/src/Makefile

@@ -25,6 +25,7 @@ DMUB += dmub_dcn30.o dmub_dcn301.o dmub_dcn302.o dmub_dcn303.o
 DMUB += dmub_dcn31.o dmub_dcn314.o dmub_dcn315.o dmub_dcn316.o
 DMUB += dmub_dcn32.o
 DMUB += dmub_dcn35.o
+DMUB += dmub_dcn351.o
 
 AMD_DAL_DMUB = $(addprefix $(AMDDALPATH)/dmub/src/,$(DMUB))
 

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn351.c

@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2024 Advanced Micro Devices, Inc. */
+
+#include "../dmub_srv.h"
+#include "dmub_reg.h"
+#include "dmub_dcn351.h"
+
+#include "dcn/dcn_3_5_1_offset.h"
+#include "dcn/dcn_3_5_1_sh_mask.h"
+
+#define BASE_INNER(seg) ctx->dcn_reg_offsets[seg]
+#define CTX dmub
+#define REGS dmub->regs_dcn35
+#define REG_OFFSET_EXP(reg_name) BASE(reg##reg_name##_BASE_IDX) + reg##reg_name
+
+void dmub_srv_dcn351_regs_init(struct dmub_srv *dmub, struct dc_context *ctx)
+{
+	struct dmub_srv_dcn35_regs *regs = dmub->regs_dcn35;
+#define REG_STRUCT regs
+
+#define DMUB_SR(reg) REG_STRUCT->offset.reg = REG_OFFSET_EXP(reg);
+	DMUB_DCN35_REGS()
+	DMCUB_INTERNAL_REGS()
+#undef DMUB_SR
+
+#define DMUB_SF(reg, field) REG_STRUCT->mask.reg##__##field = FD_MASK(reg, field);
+	DMUB_DCN35_FIELDS()
+#undef DMUB_SF
+
+#define DMUB_SF(reg, field) REG_STRUCT->shift.reg##__##field = FD_SHIFT(reg, field);
+	DMUB_DCN35_FIELDS()
+#undef DMUB_SF
+#undef REG_STRUCT
+}

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn351.h

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: MIT */
+/* Copyright 2024 Advanced Micro Devices, Inc. */
+
+#ifndef _DMUB_DCN351_H_
+#define _DMUB_DCN351_H_
+
+#include "dmub_dcn35.h"
+
+struct dmub_srv;
+
+void dmub_srv_dcn351_regs_init(struct dmub_srv *dmub, struct dc_context *ctx);
+
+#endif /* _DMUB_DCN351_H_ */

drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c

@@ -37,6 +37,7 @@
 #include "dmub_dcn316.h"
 #include "dmub_dcn32.h"
 #include "dmub_dcn35.h"
+#include "dmub_dcn351.h"
 #include "os_types.h"
 /*
  * Note: the DMUB service is standalone. No additional headers should be
@@ -315,6 +316,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
 		break;
 
 	case DMUB_ASIC_DCN35:
+	case DMUB_ASIC_DCN351:
 			dmub->regs_dcn35 = &dmub_srv_dcn35_regs;
 			funcs->configure_dmub_in_system_memory = dmub_dcn35_configure_dmub_in_system_memory;
 			funcs->send_inbox0_cmd = dmub_dcn35_send_inbox0_cmd;
@@ -351,6 +353,8 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
 			funcs->get_diagnostic_data = dmub_dcn35_get_diagnostic_data;
 
 			funcs->init_reg_offsets = dmub_srv_dcn35_regs_init;
+			if (asic == DMUB_ASIC_DCN351)
+                                funcs->init_reg_offsets = dmub_srv_dcn351_regs_init;
 
 			funcs->is_hw_powered_up = dmub_dcn35_is_hw_powered_up;
 			funcs->should_detect = dmub_dcn35_should_detect;