drm/amd/display: Add DMCUB source files and changes for DCN32/321

DMCUB is the display engine microcontroller which aids in modesetting
and other display related features.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c

@@ -250,6 +250,37 @@ void dc_dmub_trace_event_control(struct dc *dc, bool enable)
 	dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable);
 }
 
+void dc_dmub_srv_query_caps_cmd(struct dmub_srv *dmub)
+{
+	union dmub_rb_cmd cmd = { 0 };
+	enum dmub_status status;
+
+	if (!dmub) {
+		return;
+	}
+
+	memset(&cmd, 0, sizeof(cmd));
+
+	/* Prepare fw command */
+	cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS;
+	cmd.query_feature_caps.header.sub_type = 0;
+	cmd.query_feature_caps.header.ret_status = 1;
+	cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data);
+
+	/* Send command to fw */
+	status = dmub_srv_cmd_with_reply_data(dmub, &cmd);
+
+	ASSERT(status == DMUB_STATUS_OK);
+
+	/* If command was processed, copy feature caps to dmub srv */
+	if (status == DMUB_STATUS_OK &&
+	    cmd.query_feature_caps.header.ret_status == 0) {
+		memcpy(&dmub->feature_caps,
+		       &cmd.query_feature_caps.query_feature_caps_data,
+		       sizeof(struct dmub_feature_caps));
+	}
+}
+
 bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data)
 {
 	if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data)

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h

@@ -68,6 +68,8 @@ bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_bu
 
 void dc_dmub_trace_event_control(struct dc *dc, bool enable);
 
+void dc_dmub_srv_query_caps_cmd(struct dmub_srv *dmub);
+
 void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dmub_srv);
 void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dmub_srv);
 void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv, union dmub_inbox0_data_register data);

drivers/gpu/drm/amd/display/dmub/dmub_srv.h

@@ -246,6 +246,7 @@ struct dmub_srv_hw_params {
 	bool dpia_supported;
 	bool disable_dpia;
 	bool usb4_cm_version;
+	bool fw_in_system_memory;
 };
 
 /**
@@ -310,6 +311,9 @@ struct dmub_srv_hw_funcs {
 			      const struct dmub_window *cw0,
 			      const struct dmub_window *cw1);
 
+	void (*backdoor_load_zfb_mode)(struct dmub_srv *dmub,
+			      const struct dmub_window *cw0,
+			      const struct dmub_window *cw1);
 	void (*setup_windows)(struct dmub_srv *dmub,
 			      const struct dmub_window *cw2,
 			      const struct dmub_window *cw3,
@@ -365,6 +369,7 @@ struct dmub_srv_hw_funcs {
 
 	uint32_t (*get_gpint_dataout)(struct dmub_srv *dmub);
 
+	void (*configure_dmub_in_system_memory)(struct dmub_srv *dmub);
 	void (*clear_inbox0_ack_register)(struct dmub_srv *dmub);
 	uint32_t (*read_inbox0_ack_register)(struct dmub_srv *dmub);
 	void (*send_inbox0_cmd)(struct dmub_srv *dmub, union dmub_inbox0_data_register data);
@@ -412,6 +417,7 @@ struct dmub_srv {
 	/* private: internal use only */
 	const struct dmub_srv_common_regs *regs;
 	const struct dmub_srv_dcn31_regs *regs_dcn31;
+	const struct dmub_srv_dcn32_regs *regs_dcn32;
 
 	struct dmub_srv_base_funcs funcs;
 	struct dmub_srv_hw_funcs hw_funcs;

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

@@ -641,7 +641,10 @@ enum dmub_cmd_type {
 	 * Command type used for all panel control commands.
 	 */
 	DMUB_CMD__PANEL_CNTL = 74,
-
+	/**
+	 * Command type used for <TODO:description>
+	 */
+	DMUB_CMD__CAB_FOR_SS = 75,
 	/**
 	 * Command type used for interfacing with DPIA.
 	 */
@@ -878,6 +881,23 @@ struct dmub_rb_cmd_mall {
 	uint8_t reserved2; /**< Reserved bits */
 };
 
+/**
+ * enum dmub_cmd_cab_type - TODO:
+ */
+enum dmub_cmd_cab_type {
+	DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,
+	DMUB_CMD__CAB_NO_DCN_REQ = 1,
+	DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,
+};
+
+/**
+ * struct dmub_rb_cmd_cab_for_ss - TODO:
+ */
+struct dmub_rb_cmd_cab_for_ss {
+	struct dmub_cmd_header header;
+	uint8_t cab_alloc_ways; /* total number of ways */
+	uint8_t debug_bits;     /* debug bits */
+};
 /**
  * enum dmub_cmd_idle_opt_type - Idle optimization command type.
  */
@@ -2693,6 +2713,10 @@ union dmub_rb_cmd {
 	 * Definition of a DMUB_CMD__MALL command.
 	 */
 	struct dmub_rb_cmd_mall mall;
+	/**
+	 * Definition of a DMUB_CMD__CAB command.
+	 */
+	struct dmub_rb_cmd_cab_for_ss cab;
 	/**
 	 * Definition of a DMUB_CMD__IDLE_OPT_DCN_RESTORE command.
 	 */

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

@@ -23,6 +23,7 @@
 DMUB = dmub_srv.o dmub_srv_stat.o dmub_reg.o dmub_dcn20.o dmub_dcn21.o
 DMUB += dmub_dcn30.o dmub_dcn301.o dmub_dcn302.o dmub_dcn303.o
 DMUB += dmub_dcn31.o dmub_dcn315.o dmub_dcn316.o
+DMUB += dmub_dcn32.o
 
 AMD_DAL_DMUB = $(addprefix $(AMDDALPATH)/dmub/src/,$(DMUB))
 

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h

+/*
+ * Copyright 2022 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 _DMUB_DCN32_H_
+#define _DMUB_DCN32_H_
+
+#include "dmub_dcn31.h"
+
+struct dmub_srv;
+
+/* DCN32 register definitions. */
+
+#define DMUB_DCN32_REGS() \
+	DMUB_SR(DMCUB_CNTL) \
+	DMUB_SR(DMCUB_CNTL2) \
+	DMUB_SR(DMCUB_SEC_CNTL) \
+	DMUB_SR(DMCUB_INBOX0_SIZE) \
+	DMUB_SR(DMCUB_INBOX0_RPTR) \
+	DMUB_SR(DMCUB_INBOX0_WPTR) \
+	DMUB_SR(DMCUB_INBOX1_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_INBOX1_SIZE) \
+	DMUB_SR(DMCUB_INBOX1_RPTR) \
+	DMUB_SR(DMCUB_INBOX1_WPTR) \
+	DMUB_SR(DMCUB_OUTBOX0_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_OUTBOX0_SIZE) \
+	DMUB_SR(DMCUB_OUTBOX0_RPTR) \
+	DMUB_SR(DMCUB_OUTBOX0_WPTR) \
+	DMUB_SR(DMCUB_OUTBOX1_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_OUTBOX1_SIZE) \
+	DMUB_SR(DMCUB_OUTBOX1_RPTR) \
+	DMUB_SR(DMCUB_OUTBOX1_WPTR) \
+	DMUB_SR(DMCUB_REGION3_CW0_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW1_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW2_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW3_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW4_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW5_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW6_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW7_OFFSET) \
+	DMUB_SR(DMCUB_REGION3_CW0_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW1_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW2_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW3_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW4_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW5_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW6_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW7_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION3_CW0_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW1_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW2_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW3_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW4_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW5_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW6_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW7_BASE_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW0_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW1_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW2_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW3_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW4_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW5_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW6_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION3_CW7_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION4_OFFSET) \
+	DMUB_SR(DMCUB_REGION4_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION4_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_REGION5_OFFSET) \
+	DMUB_SR(DMCUB_REGION5_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION5_TOP_ADDRESS) \
+	DMUB_SR(DMCUB_SCRATCH0) \
+	DMUB_SR(DMCUB_SCRATCH1) \
+	DMUB_SR(DMCUB_SCRATCH2) \
+	DMUB_SR(DMCUB_SCRATCH3) \
+	DMUB_SR(DMCUB_SCRATCH4) \
+	DMUB_SR(DMCUB_SCRATCH5) \
+	DMUB_SR(DMCUB_SCRATCH6) \
+	DMUB_SR(DMCUB_SCRATCH7) \
+	DMUB_SR(DMCUB_SCRATCH8) \
+	DMUB_SR(DMCUB_SCRATCH9) \
+	DMUB_SR(DMCUB_SCRATCH10) \
+	DMUB_SR(DMCUB_SCRATCH11) \
+	DMUB_SR(DMCUB_SCRATCH12) \
+	DMUB_SR(DMCUB_SCRATCH13) \
+	DMUB_SR(DMCUB_SCRATCH14) \
+	DMUB_SR(DMCUB_SCRATCH15) \
+	DMUB_SR(DMCUB_SCRATCH16) \
+	DMUB_SR(DMCUB_SCRATCH17) \
+	DMUB_SR(DMCUB_GPINT_DATAIN1) \
+	DMUB_SR(DMCUB_GPINT_DATAOUT) \
+	DMUB_SR(CC_DC_PIPE_DIS) \
+	DMUB_SR(MMHUBBUB_SOFT_RESET) \
+	DMUB_SR(DCN_VM_FB_LOCATION_BASE) \
+	DMUB_SR(DCN_VM_FB_OFFSET) \
+	DMUB_SR(DMCUB_TIMER_CURRENT) \
+	DMUB_SR(DMCUB_INST_FETCH_FAULT_ADDR) \
+	DMUB_SR(DMCUB_UNDEFINED_ADDRESS_FAULT_ADDR) \
+	DMUB_SR(DMCUB_DATA_WRITE_FAULT_ADDR) \
+	DMUB_SR(DMCUB_REGION3_TMR_AXI_SPACE) \
+	DMUB_SR(DMCUB_INTERRUPT_ENABLE) \
+	DMUB_SR(DMCUB_INTERRUPT_ACK)
+
+#define DMUB_DCN32_FIELDS() \
+	DMUB_SF(DMCUB_CNTL, DMCUB_ENABLE) \
+	DMUB_SF(DMCUB_CNTL, DMCUB_TRACEPORT_EN) \
+	DMUB_SF(DMCUB_CNTL2, DMCUB_SOFT_RESET) \
+	DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET) \
+	DMUB_SF(DMCUB_SEC_CNTL, DMCUB_MEM_UNIT_ID) \
+	DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS) \
+	DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE) \
+	DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_ENABLE) \
+	DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_ENABLE) \
+	DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_ENABLE) \
+	DMUB_SF(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE) \
+	DMUB_SF(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET) \
+	DMUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE) \
+	DMUB_SF(DCN_VM_FB_OFFSET, FB_OFFSET) \
+	DMUB_SF(DMCUB_INBOX0_WPTR, DMCUB_INBOX0_WPTR) \
+	DMUB_SF(DMCUB_REGION3_TMR_AXI_SPACE, DMCUB_REGION3_TMR_AXI_SPACE) \
+	DMUB_SF(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN) \
+	DMUB_SF(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK)
+
+struct dmub_srv_dcn32_reg_offset {
+#define DMUB_SR(reg) uint32_t reg;
+	DMUB_DCN32_REGS()
+	DMCUB_INTERNAL_REGS()
+#undef DMUB_SR
+};
+
+struct dmub_srv_dcn32_reg_shift {
+#define DMUB_SF(reg, field) uint8_t reg##__##field;
+	DMUB_DCN32_FIELDS()
+#undef DMUB_SF
+};
+
+struct dmub_srv_dcn32_reg_mask {
+#define DMUB_SF(reg, field) uint32_t reg##__##field;
+	DMUB_DCN32_FIELDS()
+#undef DMUB_SF
+};
+
+struct dmub_srv_dcn32_regs {
+	const struct dmub_srv_dcn32_reg_offset offset;
+	const struct dmub_srv_dcn32_reg_mask mask;
+	const struct dmub_srv_dcn32_reg_shift shift;
+};
+
+extern const struct dmub_srv_dcn32_regs dmub_srv_dcn32_regs;
+
+void dmub_dcn32_reset(struct dmub_srv *dmub);
+
+void dmub_dcn32_reset_release(struct dmub_srv *dmub);
+
+void dmub_dcn32_backdoor_load(struct dmub_srv *dmub,
+			      const struct dmub_window *cw0,
+			      const struct dmub_window *cw1);
+
+void dmub_dcn32_backdoor_load_zfb_mode(struct dmub_srv *dmub,
+		      const struct dmub_window *cw0,
+		      const struct dmub_window *cw1);
+
+void dmub_dcn32_setup_windows(struct dmub_srv *dmub,
+			      const struct dmub_window *cw2,
+			      const struct dmub_window *cw3,
+			      const struct dmub_window *cw4,
+			      const struct dmub_window *cw5,
+			      const struct dmub_window *cw6);
+
+void dmub_dcn32_setup_mailbox(struct dmub_srv *dmub,
+			      const struct dmub_region *inbox1);
+
+uint32_t dmub_dcn32_get_inbox1_rptr(struct dmub_srv *dmub);
+
+void dmub_dcn32_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset);
+
+void dmub_dcn32_setup_out_mailbox(struct dmub_srv *dmub,
+			      const struct dmub_region *outbox1);
+
+uint32_t dmub_dcn32_get_outbox1_wptr(struct dmub_srv *dmub);
+
+void dmub_dcn32_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset);
+
+bool dmub_dcn32_is_hw_init(struct dmub_srv *dmub);
+
+bool dmub_dcn32_is_supported(struct dmub_srv *dmub);
+
+void dmub_dcn32_set_gpint(struct dmub_srv *dmub,
+			  union dmub_gpint_data_register reg);
+
+bool dmub_dcn32_is_gpint_acked(struct dmub_srv *dmub,
+			       union dmub_gpint_data_register reg);
+
+uint32_t dmub_dcn32_get_gpint_response(struct dmub_srv *dmub);
+
+uint32_t dmub_dcn32_get_gpint_dataout(struct dmub_srv *dmub);
+
+void dmub_dcn32_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params);
+
+void dmub_dcn32_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip);
+
+union dmub_fw_boot_status dmub_dcn32_get_fw_boot_status(struct dmub_srv *dmub);
+
+void dmub_dcn32_setup_outbox0(struct dmub_srv *dmub,
+			      const struct dmub_region *outbox0);
+
+uint32_t dmub_dcn32_get_outbox0_wptr(struct dmub_srv *dmub);
+
+void dmub_dcn32_set_outbox0_rptr(struct dmub_srv *dmub, uint32_t rptr_offset);
+
+uint32_t dmub_dcn32_get_current_time(struct dmub_srv *dmub);
+
+void dmub_dcn32_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data);
+
+void dmub_dcn32_configure_dmub_in_system_memory(struct dmub_srv *dmub);
+void dmub_dcn32_send_inbox0_cmd(struct dmub_srv *dmub, union dmub_inbox0_data_register data);
+void dmub_dcn32_clear_inbox0_ack_register(struct dmub_srv *dmub);
+uint32_t dmub_dcn32_read_inbox0_ack_register(struct dmub_srv *dmub);
+
+#endif /* _DMUB_DCN32_H_ */

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

@@ -34,6 +34,7 @@
 #include "dmub_dcn31.h"
 #include "dmub_dcn315.h"
 #include "dmub_dcn316.h"
+#include "dmub_dcn32.h"
 #include "os_types.h"
 /*
  * Note: the DMUB service is standalone. No additional headers should be
@@ -260,6 +261,43 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
 
 		break;
 
+	case DMUB_ASIC_DCN32:
+	case DMUB_ASIC_DCN321:
+		dmub->regs_dcn32 = &dmub_srv_dcn32_regs;
+		funcs->configure_dmub_in_system_memory = dmub_dcn32_configure_dmub_in_system_memory;
+		funcs->send_inbox0_cmd = dmub_dcn32_send_inbox0_cmd;
+		funcs->clear_inbox0_ack_register = dmub_dcn32_clear_inbox0_ack_register;
+		funcs->read_inbox0_ack_register = dmub_dcn32_read_inbox0_ack_register;
+		funcs->reset = dmub_dcn32_reset;
+		funcs->reset_release = dmub_dcn32_reset_release;
+		funcs->backdoor_load = dmub_dcn32_backdoor_load;
+		funcs->backdoor_load_zfb_mode = dmub_dcn32_backdoor_load_zfb_mode;
+		funcs->setup_windows = dmub_dcn32_setup_windows;
+		funcs->setup_mailbox = dmub_dcn32_setup_mailbox;
+		funcs->get_inbox1_rptr = dmub_dcn32_get_inbox1_rptr;
+		funcs->set_inbox1_wptr = dmub_dcn32_set_inbox1_wptr;
+		funcs->setup_out_mailbox = dmub_dcn32_setup_out_mailbox;
+		funcs->get_outbox1_wptr = dmub_dcn32_get_outbox1_wptr;
+		funcs->set_outbox1_rptr = dmub_dcn32_set_outbox1_rptr;
+		funcs->is_supported = dmub_dcn32_is_supported;
+		funcs->is_hw_init = dmub_dcn32_is_hw_init;
+		funcs->set_gpint = dmub_dcn32_set_gpint;
+		funcs->is_gpint_acked = dmub_dcn32_is_gpint_acked;
+		funcs->get_gpint_response = dmub_dcn32_get_gpint_response;
+		funcs->get_gpint_dataout = dmub_dcn32_get_gpint_dataout;
+		funcs->get_fw_status = dmub_dcn32_get_fw_boot_status;
+		funcs->enable_dmub_boot_options = dmub_dcn32_enable_dmub_boot_options;
+		funcs->skip_dmub_panel_power_sequence = dmub_dcn32_skip_dmub_panel_power_sequence;
+
+		/* outbox0 call stacks */
+		funcs->setup_outbox0 = dmub_dcn32_setup_outbox0;
+		funcs->get_outbox0_wptr = dmub_dcn32_get_outbox0_wptr;
+		funcs->set_outbox0_rptr = dmub_dcn32_set_outbox0_rptr;
+		funcs->get_current_time = dmub_dcn32_get_current_time;
+		funcs->get_diagnostic_data = dmub_dcn32_get_diagnostic_data;
+
+		break;
+
 	default:
 		return false;
 	}
@@ -501,6 +539,9 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 	cw1.region.base = DMUB_CW1_BASE;
 	cw1.region.top = cw1.region.base + stack_fb->size - 1;
 
+	if (params->fw_in_system_memory && dmub->hw_funcs.configure_dmub_in_system_memory)
+		dmub->hw_funcs.configure_dmub_in_system_memory(dmub);
+
 	if (params->load_inst_const && dmub->hw_funcs.backdoor_load) {
 		/**
 		 * Read back all the instruction memory so we don't hang the
@@ -508,7 +549,11 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 		 * flushed yet. This only occurs in backdoor loading.
 		 */
 		dmub_flush_buffer_mem(inst_fb);
-		dmub->hw_funcs.backdoor_load(dmub, &cw0, &cw1);
+
+		if (params->fw_in_system_memory && dmub->hw_funcs.backdoor_load_zfb_mode)
+			dmub->hw_funcs.backdoor_load_zfb_mode(dmub, &cw0, &cw1);
+		else
+			dmub->hw_funcs.backdoor_load(dmub, &cw0, &cw1);
 	}
 
 	cw2.offset.quad_part = data_fb->gpu_addr;
@@ -583,6 +628,10 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 	if (dmub->hw_funcs.enable_dmub_boot_options)
 		dmub->hw_funcs.enable_dmub_boot_options(dmub, params);
 
+	if (dmub->hw_funcs.skip_dmub_panel_power_sequence)
+		dmub->hw_funcs.skip_dmub_panel_power_sequence(dmub,
+			params->skip_panel_power_sequence);
+
 	if (dmub->hw_funcs.reset_release)
 		dmub->hw_funcs.reset_release(dmub);