drm/amd/display: Add new sources for DCN6

Add DCN6 code to DC, DML2, and DMUB

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 1035 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn60.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn60.c
new file mode 100644
index 000000000000..5c524f8d3fdf
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn60.c
@@ -0,0 +1,732 @@
+// SPDX-License-Identifier: MIT
+
+/* Copyright 2025 Advanced Micro Devices, Inc. */
+
+#include "../dmub_srv.h"
+#include "dmub_reg.h"
+#include "dmub_dcn60.h"
+
+#include "dcn/dcn_6_0_0_offset.h"
+#include "dcn/dcn_6_0_0_sh_mask.h"
+#include "mmhub/mmhub_5_0_1_offset.h"
+#include "mmhub/mmhub_5_0_1_sh_mask.h"
+
+#define DCN_BASE__INST0_SEG2                       0x000034C0
+#define MMHUB_BASE__INST0_SEG1                     0x0001A000
+
+#define BASE_INNER(seg) DCN_BASE__INST0_SEG##seg
+#define CTX dmub
+#define REGS dmub->regs_dcn60
+#define REG_OFFSET_EXP(reg_name) (BASE(reg##reg_name##_BASE_IDX) + reg##reg_name)
+#define EXT_REG_READ(addr) dmub->funcs.reg_read(dmub->user_ctx, addr);
+#define DAGB0_WRCLI_OSD_PENDING 0x1A083
+
+#define MMHUB_BASE_INNER(seg) MMHUB_BASE__INST0_SEG##seg
+#define MMHUB_BASE(seg) MMHUB_BASE_INNER(seg)
+#define MMHUB_REG_OFFSET(reg_name) (MMHUB_BASE(reg##reg_name##_BASE_IDX) + reg##reg_name)
+
+const struct dmub_srv_dcn60_regs dmub_srv_dcn60_regs = {
+#define DMUB_SR(reg) .reg = REG_OFFSET_EXP(reg),
+#define MMHUB_SR(reg) .reg = MMHUB_REG_OFFSET(reg),
+	.offset = {
+		DMUB_DCN60_REGS()
+		DMCUB_INTERNAL_REGS()
+		DCN60_EXTERNAL_MMHUB_REGS()
+	},
+#undef MMHUB_SR
+#undef DMUB_SR
+
+#define DMUB_SF(reg, field) .reg##__##field = FD_MASK(reg, field),
+	.mask = {
+		DMUB_DCN60_FIELDS()
+		DCN60_EXTERNAL_MMHUB_FIELDS()
+	},
+#undef DMUB_SF
+
+#define DMUB_SF(reg, field) .reg##__##field = FD_SHIFT(reg, field),
+	.shift = {
+		DMUB_DCN60_FIELDS()
+		DCN60_EXTERNAL_MMHUB_FIELDS()
+	},
+#undef DMUB_SF
+};
+
+static void dmub_dcn60_get_fb_base_offset(struct dmub_srv *dmub,
+		uint64_t *fb_base,
+		uint64_t *fb_offset)
+{
+	uint32_t tmp_fb_base, tmp_fb_offset;
+
+	/*
+	 * Favor override values from DM.
+	 * This can handle multi device systems with shared memory space.
+	 */
+	if (dmub->soc_fb_info.fb_base || dmub->soc_fb_info.fb_offset) {
+		*fb_base = dmub->soc_fb_info.fb_base;
+		*fb_offset = dmub->soc_fb_info.fb_offset;
+		return;
+	}
+
+	/*
+	 * For DCN only environments prefer DCN local registers first.
+	 * These should be a copy of the MMHUB registers below for single device systems.
+	 */
+	REG_GET(DCN_VM_FB_LOCATION_BASE, FB_BASE, &tmp_fb_base);
+	REG_GET(DCN_VM_FB_OFFSET, FB_OFFSET, &tmp_fb_offset);
+
+	if (!dmub->no_ext_reg_access && tmp_fb_base == 0 && tmp_fb_offset == 0) {
+		/*
+		 * Memory translation is handled by MMHUB for DMU.
+		 * Use these as a fallback if DCN is not configured.
+		 */
+		REG_GET(MMMC_VM_FB_LOCATION_BASE, FB_BASE, &tmp_fb_base);
+		REG_GET(MMMC_VM_FB_OFFSET, FB_OFFSET, &tmp_fb_offset);
+	}
+
+	*fb_base = (uint64_t)tmp_fb_base << 24;
+	*fb_offset = (uint64_t)tmp_fb_offset << 24;
+}
+
+static inline void dmub_dcn60_translate_addr(const union dmub_addr *addr_in,
+		uint64_t fb_base,
+		uint64_t fb_offset,
+		union dmub_addr *addr_out)
+{
+	addr_out->quad_part = addr_in->quad_part - fb_base + fb_offset;
+}
+
+void dmub_dcn60_reset(struct dmub_srv *dmub)
+{
+	union dmub_gpint_data_register cmd;
+	const uint32_t timeout_us = 1 * 1000 * 1000; //1s
+	const uint32_t poll_delay_us = 1; //1us
+	uint32_t i = 0;
+	uint32_t enabled, in_reset, scratch, pwait_mode, outstanding_req;;
+
+	REG_GET(DMCUB_CNTL,
+			DMCUB_ENABLE, &enabled);
+	REG_GET(DMCUB_CNTL2,
+			DMCUB_SOFT_RESET, &in_reset);
+
+	if (enabled && in_reset == 0) {
+		cmd.bits.status = 1;
+		cmd.bits.command_code = DMUB_GPINT__STOP_FW;
+		cmd.bits.param = 0;
+
+		dmub->hw_funcs.set_gpint(dmub, cmd);
+
+		for (; i < timeout_us; i++) {
+			scratch = REG_READ(DMCUB_SCRATCH7);
+			if (scratch == DMUB_GPINT__STOP_FW_RESPONSE)
+				break;
+
+			udelay(poll_delay_us);
+		}
+
+		for (; i < timeout_us; i++) {
+			REG_GET(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS, &pwait_mode);
+			if (pwait_mode & (1 << 0))
+				break;
+
+			udelay(poll_delay_us);
+		}
+
+		if (!dmub->no_ext_reg_access) {
+			for (; i < timeout_us; i++) {
+				outstanding_req = EXT_REG_READ(DAGB0_WRCLI_OSD_PENDING);
+				if (!(outstanding_req & 0x10))
+					break;
+
+				udelay(poll_delay_us);
+			}
+		}
+	}
+
+	if (enabled) {
+		REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 1);
+		udelay(1);
+		REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
+	}
+
+	if (i >= timeout_us) {
+		/* timeout should never occur */
+		BREAK_TO_DEBUGGER();
+	}
+
+	REG_UPDATE(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_ENABLE, 0);
+	REG_UPDATE(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_ENABLE, 0);
+	REG_UPDATE(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_ENABLE, 0);
+	REG_UPDATE(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_ENABLE, 0);
+	REG_UPDATE(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, 0);
+	REG_UPDATE(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_ENABLE, 0);
+
+	REG_WRITE(DMCUB_INBOX1_RPTR, 0);
+	REG_WRITE(DMCUB_INBOX1_WPTR, 0);
+	REG_WRITE(DMCUB_OUTBOX1_RPTR, 0);
+	REG_WRITE(DMCUB_OUTBOX1_WPTR, 0);
+	REG_WRITE(DMCUB_OUTBOX0_RPTR, 0);
+	REG_WRITE(DMCUB_OUTBOX0_WPTR, 0);
+	REG_WRITE(DMCUB_SCRATCH0, 0);
+
+	/* Clear the GPINT command manually so we don't reset again. */
+	cmd.all = 0;
+	dmub->hw_funcs.set_gpint(dmub, cmd);
+}
+
+void dmub_dcn60_reset_release(struct dmub_srv *dmub)
+{
+	REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 0);
+	REG_WRITE(DMCUB_SCRATCH15, dmub->psp_version & 0x001100FF);
+	REG_UPDATE_2(DMCUB_CNTL, DMCUB_ENABLE, 1, DMCUB_TRACEPORT_EN, 1);
+	REG_UPDATE(DMCUB_CNTL2, DMCUB_SOFT_RESET, 0);
+}
+
+void dmub_dcn60_backdoor_load(struct dmub_srv *dmub,
+		const struct dmub_window *cw0,
+		const struct dmub_window *cw1)
+{
+	union dmub_addr offset;
+	uint64_t fb_base, fb_offset;
+
+	dmub_dcn60_get_fb_base_offset(dmub, &fb_base, &fb_offset);
+
+	/* reset and disable DMCUB and MMHUBBUB DMUIF */
+	REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1);
+	REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
+
+	dmub_dcn60_translate_addr(&cw0->offset, fb_base, fb_offset, &offset);
+
+	REG_WRITE(DMCUB_REGION3_CW0_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW0_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW0_BASE_ADDRESS, cw0->region.base);
+	REG_SET_2(DMCUB_REGION3_CW0_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW0_TOP_ADDRESS, cw0->region.top,
+			DMCUB_REGION3_CW0_ENABLE, 1);
+
+	dmub_dcn60_translate_addr(&cw1->offset, fb_base, fb_offset, &offset);
+
+	REG_WRITE(DMCUB_REGION3_CW1_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW1_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW1_BASE_ADDRESS, cw1->region.base);
+	REG_SET_2(DMCUB_REGION3_CW1_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top,
+			DMCUB_REGION3_CW1_ENABLE, 1);
+
+	/* release DMCUB reset only to prevent premature execution */
+	REG_UPDATE_3(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0,
+			DMCUB_MEM_SEC_LVL, 0x2,
+			DMCUB_MEM_UNIT_ID,	0x20);
+}
+
+void dmub_dcn60_backdoor_load_zfb_mode(struct dmub_srv *dmub,
+		      const struct dmub_window *cw0,
+		      const struct dmub_window *cw1)
+{
+	union dmub_addr offset;
+
+	/* reset and disable DMCUB and MMHUBBUB DMUIF */
+	REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1);
+	REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0);
+
+	offset = cw0->offset;
+
+	REG_WRITE(DMCUB_REGION3_CW0_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW0_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW0_BASE_ADDRESS, cw0->region.base);
+	REG_SET_2(DMCUB_REGION3_CW0_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW0_TOP_ADDRESS, cw0->region.top,
+			DMCUB_REGION3_CW0_ENABLE, 1);
+
+	offset = cw1->offset;
+
+	REG_WRITE(DMCUB_REGION3_CW1_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW1_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW1_BASE_ADDRESS, cw1->region.base);
+	REG_SET_2(DMCUB_REGION3_CW1_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW1_TOP_ADDRESS, cw1->region.top,
+			DMCUB_REGION3_CW1_ENABLE, 1);
+
+	/* release DMCUB reset only to prevent premature execution */
+	REG_UPDATE_3(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 0,
+			DMCUB_MEM_SEC_LVL, 0x2,
+			DMCUB_MEM_UNIT_ID,	0x20);
+}
+
+void dmub_dcn60_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,
+		const struct dmub_window *region6)
+{
+	(void)cw2;
+	union dmub_addr offset;
+
+	offset = cw3->offset;
+
+	REG_WRITE(DMCUB_REGION3_CW3_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW3_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW3_BASE_ADDRESS, cw3->region.base);
+	REG_SET_2(DMCUB_REGION3_CW3_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW3_TOP_ADDRESS, cw3->region.top,
+			DMCUB_REGION3_CW3_ENABLE, 1);
+
+	offset = cw4->offset;
+
+	REG_WRITE(DMCUB_REGION3_CW4_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW4_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW4_BASE_ADDRESS, cw4->region.base);
+	REG_SET_2(DMCUB_REGION3_CW4_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW4_TOP_ADDRESS, cw4->region.top,
+			DMCUB_REGION3_CW4_ENABLE, 1);
+
+	offset = cw5->offset;
+
+	REG_WRITE(DMCUB_REGION3_CW5_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW5_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW5_BASE_ADDRESS, cw5->region.base);
+	REG_SET_2(DMCUB_REGION3_CW5_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW5_TOP_ADDRESS, cw5->region.top,
+			DMCUB_REGION3_CW5_ENABLE, 1);
+
+	REG_WRITE(DMCUB_REGION5_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION5_OFFSET_HIGH, offset.u.high_part);
+	REG_SET_2(DMCUB_REGION5_TOP_ADDRESS, 0,
+			DMCUB_REGION5_TOP_ADDRESS,
+			cw5->region.top - cw5->region.base - 1,
+			DMCUB_REGION5_ENABLE, 1);
+
+	offset = cw6->offset;
+
+	REG_WRITE(DMCUB_REGION3_CW6_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION3_CW6_OFFSET_HIGH, offset.u.high_part);
+	REG_WRITE(DMCUB_REGION3_CW6_BASE_ADDRESS, cw6->region.base);
+	REG_SET_2(DMCUB_REGION3_CW6_TOP_ADDRESS, 0,
+			DMCUB_REGION3_CW6_TOP_ADDRESS, cw6->region.top,
+			DMCUB_REGION3_CW6_ENABLE, 1);
+
+	offset = region6->offset;
+
+	REG_WRITE(DMCUB_REGION6_OFFSET, offset.u.low_part);
+	REG_WRITE(DMCUB_REGION6_OFFSET_HIGH, offset.u.high_part);
+	REG_SET_2(DMCUB_REGION6_TOP_ADDRESS, 0,
+		  DMCUB_REGION6_TOP_ADDRESS,
+		  region6->region.top - region6->region.base - 1,
+		  DMCUB_REGION6_ENABLE, 1);
+}
+
+void dmub_dcn60_setup_mailbox(struct dmub_srv *dmub,
+		const struct dmub_region *inbox1)
+{
+	REG_WRITE(DMCUB_INBOX1_BASE_ADDRESS, inbox1->base);
+	REG_WRITE(DMCUB_INBOX1_SIZE, inbox1->top - inbox1->base);
+}
+
+uint32_t dmub_dcn60_get_inbox1_wptr(struct dmub_srv *dmub)
+{
+	return REG_READ(DMCUB_INBOX1_WPTR);
+}
+
+uint32_t dmub_dcn60_get_inbox1_rptr(struct dmub_srv *dmub)
+{
+	return REG_READ(DMCUB_INBOX1_RPTR);
+}
+
+void dmub_dcn60_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset)
+{
+	REG_WRITE(DMCUB_INBOX1_WPTR, wptr_offset);
+}
+
+void dmub_dcn60_setup_out_mailbox(struct dmub_srv *dmub,
+		const struct dmub_region *outbox1)
+{
+	REG_WRITE(DMCUB_OUTBOX1_BASE_ADDRESS, outbox1->base);
+	REG_WRITE(DMCUB_OUTBOX1_SIZE, outbox1->top - outbox1->base);
+}
+
+uint32_t dmub_dcn60_get_outbox1_wptr(struct dmub_srv *dmub)
+{
+	/**
+	 * outbox1 wptr register is accessed without locks (dal & dc)
+	 * and to be called only by dmub_srv_stat_get_notification()
+	 */
+	return REG_READ(DMCUB_OUTBOX1_WPTR);
+}
+
+void dmub_dcn60_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset)
+{
+	/**
+	 * outbox1 rptr register is accessed without locks (dal & dc)
+	 * and to be called only by dmub_srv_stat_get_notification()
+	 */
+	REG_WRITE(DMCUB_OUTBOX1_RPTR, rptr_offset);
+}
+
+bool dmub_dcn60_is_hw_init(struct dmub_srv *dmub)
+{
+	union dmub_fw_boot_status status;
+	uint32_t is_hw_init;
+
+	status.all = REG_READ(DMCUB_SCRATCH0);
+	REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_hw_init);
+
+	return is_hw_init != 0 && status.bits.dal_fw;
+}
+
+bool dmub_dcn60_is_supported(struct dmub_srv *dmub)
+{
+	(void)dmub;
+	// TODO: CC_DC_PIPE_DIS::DC_DMCUB_ENABLE no longer exists
+	//REG_GET(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE, &supported);
+	return 1;
+}
+
+void dmub_dcn60_set_gpint(struct dmub_srv *dmub,
+		union dmub_gpint_data_register reg)
+{
+	REG_WRITE(DMCUB_GPINT_DATAIN1, reg.all);
+}
+
+bool dmub_dcn60_is_gpint_acked(struct dmub_srv *dmub,
+		union dmub_gpint_data_register reg)
+{
+	union dmub_gpint_data_register test;
+
+	reg.bits.status = 0;
+	test.all = REG_READ(DMCUB_GPINT_DATAIN1);
+
+	return test.all == reg.all;
+}
+
+uint32_t dmub_dcn60_get_gpint_response(struct dmub_srv *dmub)
+{
+	return REG_READ(DMCUB_SCRATCH7);
+}
+
+uint32_t dmub_dcn60_get_gpint_dataout(struct dmub_srv *dmub)
+{
+	uint32_t dataout = REG_READ(DMCUB_GPINT_DATAOUT);
+
+	REG_UPDATE(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN, 0);
+
+	REG_WRITE(DMCUB_GPINT_DATAOUT, 0);
+	REG_UPDATE(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK, 1);
+	REG_UPDATE(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK, 0);
+
+	REG_UPDATE(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN, 1);
+
+	return dataout;
+}
+
+union dmub_fw_boot_status dmub_dcn60_get_fw_boot_status(struct dmub_srv *dmub)
+{
+	union dmub_fw_boot_status status;
+
+	status.all = REG_READ(DMCUB_SCRATCH0);
+	return status;
+}
+
+void dmub_dcn60_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params)
+{
+	union dmub_fw_boot_options boot_options = {0};
+
+	boot_options.bits.z10_disable = params->disable_z10;
+
+	boot_options.bits.skip_phy_access = params->disallow_phy_access;
+
+	REG_WRITE(DMCUB_SCRATCH14, boot_options.all);
+}
+
+void dmub_dcn60_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip)
+{
+	union dmub_fw_boot_options boot_options;
+	boot_options.all = REG_READ(DMCUB_SCRATCH14);
+	boot_options.bits.skip_phy_init_panel_sequence = skip;
+	REG_WRITE(DMCUB_SCRATCH14, boot_options.all);
+}
+
+void dmub_dcn60_setup_outbox0(struct dmub_srv *dmub,
+		const struct dmub_region *outbox0)
+{
+	REG_WRITE(DMCUB_OUTBOX0_BASE_ADDRESS, outbox0->base);
+
+	REG_WRITE(DMCUB_OUTBOX0_SIZE, outbox0->top - outbox0->base);
+}
+
+uint32_t dmub_dcn60_get_outbox0_wptr(struct dmub_srv *dmub)
+{
+	return REG_READ(DMCUB_OUTBOX0_WPTR);
+}
+
+void dmub_dcn60_set_outbox0_rptr(struct dmub_srv *dmub, uint32_t rptr_offset)
+{
+	REG_WRITE(DMCUB_OUTBOX0_RPTR, rptr_offset);
+}
+
+uint32_t dmub_dcn60_get_current_time(struct dmub_srv *dmub)
+{
+	return REG_READ(DMCUB_TIMER_CURRENT);
+}
+
+void dmub_dcn60_get_diagnostic_data(struct dmub_srv *dmub)
+{
+	uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset, is_pwait;
+	uint32_t is_traceport_enabled, is_cw0_enabled, is_cw6_enabled;
+	struct dmub_timeout_info timeout = {0};
+
+	if (!dmub)
+		return;
+
+	/* timeout data filled externally, cache before resetting memory */
+	timeout = dmub->debug.timeout_info;
+	memset(&dmub->debug, 0, sizeof(dmub->debug));
+	dmub->debug.timeout_info = timeout;
+
+	dmub->debug.dmcub_version = dmub->fw_version;
+
+	dmub->debug.scratch[0] = REG_READ(DMCUB_SCRATCH0);
+	dmub->debug.scratch[1] = REG_READ(DMCUB_SCRATCH1);
+	dmub->debug.scratch[2] = REG_READ(DMCUB_SCRATCH2);
+	dmub->debug.scratch[3] = REG_READ(DMCUB_SCRATCH3);
+	dmub->debug.scratch[4] = REG_READ(DMCUB_SCRATCH4);
+	dmub->debug.scratch[5] = REG_READ(DMCUB_SCRATCH5);
+	dmub->debug.scratch[6] = REG_READ(DMCUB_SCRATCH6);
+	dmub->debug.scratch[7] = REG_READ(DMCUB_SCRATCH7);
+	dmub->debug.scratch[8] = REG_READ(DMCUB_SCRATCH8);
+	dmub->debug.scratch[9] = REG_READ(DMCUB_SCRATCH9);
+	dmub->debug.scratch[10] = REG_READ(DMCUB_SCRATCH10);
+	dmub->debug.scratch[11] = REG_READ(DMCUB_SCRATCH11);
+	dmub->debug.scratch[12] = REG_READ(DMCUB_SCRATCH12);
+	dmub->debug.scratch[13] = REG_READ(DMCUB_SCRATCH13);
+	dmub->debug.scratch[14] = REG_READ(DMCUB_SCRATCH14);
+	dmub->debug.scratch[15] = REG_READ(DMCUB_SCRATCH15);
+	dmub->debug.scratch[16] = REG_READ(DMCUB_SCRATCH16);
+
+	dmub->debug.undefined_address_fault_addr = REG_READ(DMCUB_UNDEFINED_ADDRESS_FAULT_ADDR);
+	dmub->debug.inst_fetch_fault_addr = REG_READ(DMCUB_INST_FETCH_FAULT_ADDR);
+	dmub->debug.data_write_fault_addr = REG_READ(DMCUB_DATA_WRITE_FAULT_ADDR);
+
+	dmub->debug.inbox1_rptr = REG_READ(DMCUB_INBOX1_RPTR);
+	dmub->debug.inbox1_wptr = REG_READ(DMCUB_INBOX1_WPTR);
+	dmub->debug.inbox1_size = REG_READ(DMCUB_INBOX1_SIZE);
+
+	dmub->debug.inbox0_rptr = REG_READ(DMCUB_INBOX0_RPTR);
+	dmub->debug.inbox0_wptr = REG_READ(DMCUB_INBOX0_WPTR);
+	dmub->debug.inbox0_size = REG_READ(DMCUB_INBOX0_SIZE);
+
+	dmub->debug.outbox1_rptr = REG_READ(DMCUB_OUTBOX1_RPTR);
+	dmub->debug.outbox1_wptr = REG_READ(DMCUB_OUTBOX1_WPTR);
+	dmub->debug.outbox1_size = REG_READ(DMCUB_OUTBOX1_SIZE);
+
+	REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_dmub_enabled);
+	ASSERT(is_dmub_enabled <= 0xFF);
+	dmub->debug.is_dmcub_enabled = (uint8_t)is_dmub_enabled;
+
+	REG_GET(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS, &is_pwait);
+	ASSERT(is_pwait <= 0xFF);
+	dmub->debug.is_pwait = (uint8_t)is_pwait;
+
+	REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset);
+	ASSERT(is_soft_reset <= 0xFF);
+	dmub->debug.is_dmcub_soft_reset = (uint8_t)is_soft_reset;
+
+	REG_GET(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS, &is_sec_reset);
+	ASSERT(is_sec_reset <= 0xFF);
+	dmub->debug.is_dmcub_secure_reset = (uint8_t)is_sec_reset;
+
+	REG_GET(DMCUB_CNTL, DMCUB_TRACEPORT_EN, &is_traceport_enabled);
+	ASSERT(is_traceport_enabled <= 0xFF);
+	dmub->debug.is_traceport_en  = (uint8_t)is_traceport_enabled;
+
+	REG_GET(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE, &is_cw0_enabled);
+	ASSERT(is_cw0_enabled <= 0xFF);
+	dmub->debug.is_cw0_enabled = (uint8_t)is_cw0_enabled;
+
+	REG_GET(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, &is_cw6_enabled);
+	ASSERT(is_cw6_enabled <= 0xFF);
+	dmub->debug.is_cw6_enabled = (uint8_t)is_cw6_enabled;
+
+	dmub->debug.gpint_datain0 = REG_READ(DMCUB_GPINT_DATAIN0);
+}
+void dmub_dcn60_configure_dmub_in_system_memory(struct dmub_srv *dmub)
+{
+	/* DMCUB_REGION3_TMR_AXI_SPACE values:
+	 * 0b011 (0x3) - FB physical address
+	 * 0b100 (0x4) - GPU virtual address
+	 *
+	 * Default value is 0x3 (FB Physical address for TMR). When programming
+	 * DMUB to be in system memory, change to 0x4. The system memory allocated
+	 * is accessible by both GPU and CPU, so we use GPU virtual address.
+	 */
+	REG_WRITE(DMCUB_REGION3_TMR_AXI_SPACE, 0x4);
+}
+
+void dmub_dcn60_send_inbox0_cmd(struct dmub_srv *dmub, union dmub_inbox0_data_register data)
+{
+	REG_WRITE(DMCUB_INBOX0_WPTR, data.inbox0_cmd_common.all);
+}
+
+void dmub_dcn60_clear_inbox0_ack_register(struct dmub_srv *dmub)
+{
+	REG_WRITE(DMCUB_SCRATCH17, 0);
+}
+
+uint32_t dmub_dcn60_read_inbox0_ack_register(struct dmub_srv *dmub)
+{
+	return REG_READ(DMCUB_SCRATCH17);
+}
+
+void dmub_dcn60_send_reg_inbox0_cmd_msg(struct dmub_srv *dmub,
+		union dmub_rb_cmd *cmd)
+{
+	uint32_t *dwords = (uint32_t *)cmd;
+	uint32_t payload_size_bytes = cmd->cmd_common.header.payload_bytes;
+	uint32_t msg_index;
+	static_assert(sizeof(*cmd) == 64, "DMUB command size mismatch");
+
+	/* read remaining data based on payload size */
+	for (msg_index = 0; msg_index < 15; msg_index++) {
+		if (payload_size_bytes <= msg_index * 4) {
+			break;
+		}
+
+		switch (msg_index) {
+		case 0:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG0, dwords[msg_index + 1]);
+			break;
+		case 1:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG1, dwords[msg_index + 1]);
+			break;
+		case 2:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG2, dwords[msg_index + 1]);
+			break;
+		case 3:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG3, dwords[msg_index + 1]);
+			break;
+		case 4:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG4, dwords[msg_index + 1]);
+			break;
+		case 5:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG5, dwords[msg_index + 1]);
+			break;
+		case 6:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG6, dwords[msg_index + 1]);
+			break;
+		case 7:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG7, dwords[msg_index + 1]);
+			break;
+		case 8:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG8, dwords[msg_index + 1]);
+			break;
+		case 9:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG9, dwords[msg_index + 1]);
+			break;
+		case 10:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG10, dwords[msg_index + 1]);
+			break;
+		case 11:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG11, dwords[msg_index + 1]);
+			break;
+		case 12:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG12, dwords[msg_index + 1]);
+			break;
+		case 13:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG13, dwords[msg_index + 1]);
+			break;
+		case 14:
+			REG_WRITE(DMCUB_REG_INBOX0_MSG14, dwords[msg_index + 1]);
+			break;
+		}
+	}
+
+	/* writing to INBOX RDY register will trigger DMUB REG INBOX0 RDY
+	 * interrupt.
+	 */
+	REG_WRITE(DMCUB_REG_INBOX0_RDY, dwords[0]);
+}
+
+uint32_t dmub_dcn60_read_reg_inbox0_rsp_int_status(struct dmub_srv *dmub)
+{
+	uint32_t status;
+
+	REG_GET(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_STAT, &status);
+	return status;
+}
+
+void dmub_dcn60_read_reg_inbox0_cmd_rsp(struct dmub_srv *dmub,
+		union dmub_rb_cmd *cmd)
+{
+	uint32_t *dwords = (uint32_t *)cmd;
+
+	static_assert(sizeof(*cmd) == 64, "DMUB command size mismatch");
+
+	dwords[0] = REG_READ(DMCUB_REG_INBOX0_RSP);
+	dwords[1] = REG_READ(DMCUB_REG_INBOX0_MSG0);
+	dwords[2] = REG_READ(DMCUB_REG_INBOX0_MSG1);
+	dwords[3] = REG_READ(DMCUB_REG_INBOX0_MSG2);
+	dwords[4] = REG_READ(DMCUB_REG_INBOX0_MSG3);
+	dwords[5] = REG_READ(DMCUB_REG_INBOX0_MSG4);
+	dwords[6] = REG_READ(DMCUB_REG_INBOX0_MSG5);
+	dwords[7] = REG_READ(DMCUB_REG_INBOX0_MSG6);
+	dwords[8] = REG_READ(DMCUB_REG_INBOX0_MSG7);
+	dwords[9] = REG_READ(DMCUB_REG_INBOX0_MSG8);
+	dwords[10] = REG_READ(DMCUB_REG_INBOX0_MSG9);
+	dwords[11] = REG_READ(DMCUB_REG_INBOX0_MSG10);
+	dwords[12] = REG_READ(DMCUB_REG_INBOX0_MSG11);
+	dwords[13] = REG_READ(DMCUB_REG_INBOX0_MSG12);
+	dwords[14] = REG_READ(DMCUB_REG_INBOX0_MSG13);
+	dwords[15] = REG_READ(DMCUB_REG_INBOX0_MSG14);
+}
+
+void dmub_dcn60_write_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub)
+{
+	REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK, 1);
+}
+
+void dmub_dcn60_clear_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub)
+{
+	REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK, 0);
+}
+
+void dmub_dcn60_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable)
+{
+	REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_EN, enable ? 1:0);
+}
+
+void dmub_dcn60_write_reg_outbox0_rdy_int_ack(struct dmub_srv *dmub)
+{
+	REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK, 1);
+	REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK, 0);
+}
+
+void dmub_dcn60_read_reg_outbox0_msg(struct dmub_srv *dmub, uint32_t *msg)
+{
+	*msg = REG_READ(DMCUB_REG_OUTBOX0_MSG0);
+}
+
+void dmub_dcn60_write_reg_outbox0_rsp(struct dmub_srv *dmub, uint32_t *rsp)
+{
+	REG_WRITE(DMCUB_REG_OUTBOX0_RSP, *rsp);
+}
+
+uint32_t dmub_dcn60_read_reg_outbox0_rsp_int_status(struct dmub_srv *dmub)
+{
+	uint32_t status;
+
+	REG_GET(DMCUB_INTERRUPT_STATUS, DMCUB_REG_OUTBOX0_RSP_INT_STAT, &status);
+	return status;
+}
+
+void dmub_dcn60_enable_reg_outbox0_rdy_int(struct dmub_srv *dmub, bool enable)
+{
+	REG_UPDATE(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_EN, enable ? 1:0);
+}
+
+uint32_t dmub_dcn60_read_reg_outbox0_rdy_int_status(struct dmub_srv *dmub)
+{
+	uint32_t status;
+
+	REG_GET(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_STAT, &status);
+	return status;
+}
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn60.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn60.h
new file mode 100644
index 000000000000..5007ed1c19d7
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn60.h
@@ -0,0 +1,303 @@
+/* SPDX-License-Identifier: MIT */
+
+/* Copyright 2025 Advanced Micro Devices, Inc. */
+
+#ifndef _DMUB_DCN60_H_
+#define _DMUB_DCN60_H_
+
+#include "dmub_dcn31.h"
+
+struct dmub_srv;
+
+/* DCN60 register definitions. */
+
+#define DMUB_DCN60_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_REGION6_OFFSET) \
+	DMUB_SR(DMCUB_REGION6_OFFSET_HIGH) \
+	DMUB_SR(DMCUB_REGION6_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_DATAIN0) \
+	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) \
+	DMUB_SR(DMCUB_INTERRUPT_STATUS) \
+	DMUB_SR(DMCUB_REG_INBOX0_RDY) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG0) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG1) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG2) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG3) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG4) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG5) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG6) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG7) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG8) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG9) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG10) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG11) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG12) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG13) \
+	DMUB_SR(DMCUB_REG_INBOX0_MSG14) \
+	DMUB_SR(DMCUB_REG_INBOX0_RSP) \
+	DMUB_SR(DMCUB_REG_OUTBOX0_RDY) \
+	DMUB_SR(DMCUB_REG_OUTBOX0_MSG0) \
+	DMUB_SR(DMCUB_REG_OUTBOX0_RSP) \
+	DMUB_SR(HOST_INTERRUPT_CSR)
+
+#define DMUB_DCN60_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_SEC_LVL) \
+	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(DMCUB_REGION6_TOP_ADDRESS, DMCUB_REGION6_TOP_ADDRESS) \
+	DMUB_SF(DMCUB_REGION6_TOP_ADDRESS, DMCUB_REGION6_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) \
+	DMUB_SF(DMCUB_INTERRUPT_STATUS, DMCUB_REG_OUTBOX0_RSP_INT_STAT) \
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK) \
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_STAT) \
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_EN) \
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_ACK) \
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_STAT) \
+	DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_OUTBOX0_RDY_INT_EN) \
+	DMUB_SF(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS)
+
+#define DCN60_EXTERNAL_MMHUB_REGS() \
+	MMHUB_SR(MMMC_VM_FB_LOCATION_BASE) \
+	MMHUB_SR(MMMC_VM_FB_OFFSET)
+
+#define DCN60_EXTERNAL_MMHUB_FIELDS() \
+	DMUB_SF(MMMC_VM_FB_LOCATION_BASE, FB_BASE) \
+	DMUB_SF(MMMC_VM_FB_OFFSET, FB_OFFSET)
+
+struct dmub_srv_dcn60_reg_offset {
+#define DMUB_SR(reg) uint32_t reg;
+#define MMHUB_SR(reg) uint32_t reg;
+	DMUB_DCN60_REGS()
+	DMCUB_INTERNAL_REGS()
+	DCN60_EXTERNAL_MMHUB_REGS()
+#undef MMHUB_SR
+#undef DMUB_SR
+};
+
+struct dmub_srv_dcn60_reg_shift {
+#define DMUB_SF(reg, field) uint8_t reg##__##field;
+	DMUB_DCN60_FIELDS()
+	DCN60_EXTERNAL_MMHUB_FIELDS()
+#undef DMUB_SF
+};
+
+struct dmub_srv_dcn60_reg_mask {
+#define DMUB_SF(reg, field) uint32_t reg##__##field;
+	DMUB_DCN60_FIELDS()
+	DCN60_EXTERNAL_MMHUB_FIELDS()
+#undef DMUB_SF
+};
+
+struct dmub_srv_dcn60_regs {
+	const struct dmub_srv_dcn60_reg_offset offset;
+	const struct dmub_srv_dcn60_reg_mask mask;
+	const struct dmub_srv_dcn60_reg_shift shift;
+};
+
+extern const struct dmub_srv_dcn60_regs dmub_srv_dcn60_regs;
+
+void dmub_dcn60_reset(struct dmub_srv *dmub);
+
+void dmub_dcn60_reset_release(struct dmub_srv *dmub);
+
+void dmub_dcn60_backdoor_load(struct dmub_srv *dmub,
+			      const struct dmub_window *cw0,
+			      const struct dmub_window *cw1);
+
+void dmub_dcn60_backdoor_load_zfb_mode(struct dmub_srv *dmub,
+		      const struct dmub_window *cw0,
+		      const struct dmub_window *cw1);
+
+void dmub_dcn60_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,
+			      const struct dmub_window *region6);
+
+void dmub_dcn60_setup_mailbox(struct dmub_srv *dmub,
+			      const struct dmub_region *inbox1);
+
+uint32_t dmub_dcn60_get_inbox1_wptr(struct dmub_srv *dmub);
+
+uint32_t dmub_dcn60_get_inbox1_rptr(struct dmub_srv *dmub);
+
+void dmub_dcn60_set_inbox1_wptr(struct dmub_srv *dmub, uint32_t wptr_offset);
+
+void dmub_dcn60_setup_out_mailbox(struct dmub_srv *dmub,
+			      const struct dmub_region *outbox1);
+
+uint32_t dmub_dcn60_get_outbox1_wptr(struct dmub_srv *dmub);
+
+void dmub_dcn60_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset);
+
+bool dmub_dcn60_is_hw_init(struct dmub_srv *dmub);
+
+bool dmub_dcn60_is_supported(struct dmub_srv *dmub);
+
+void dmub_dcn60_set_gpint(struct dmub_srv *dmub,
+			  union dmub_gpint_data_register reg);
+
+bool dmub_dcn60_is_gpint_acked(struct dmub_srv *dmub,
+			       union dmub_gpint_data_register reg);
+
+uint32_t dmub_dcn60_get_gpint_response(struct dmub_srv *dmub);
+
+uint32_t dmub_dcn60_get_gpint_dataout(struct dmub_srv *dmub);
+
+void dmub_dcn60_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params);
+
+void dmub_dcn60_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip);
+
+union dmub_fw_boot_status dmub_dcn60_get_fw_boot_status(struct dmub_srv *dmub);
+
+void dmub_dcn60_setup_outbox0(struct dmub_srv *dmub,
+			      const struct dmub_region *outbox0);
+
+uint32_t dmub_dcn60_get_outbox0_wptr(struct dmub_srv *dmub);
+
+void dmub_dcn60_set_outbox0_rptr(struct dmub_srv *dmub, uint32_t rptr_offset);
+
+uint32_t dmub_dcn60_get_current_time(struct dmub_srv *dmub);
+
+void dmub_dcn60_get_diagnostic_data(struct dmub_srv *dmub);
+
+void dmub_dcn60_configure_dmub_in_system_memory(struct dmub_srv *dmub);
+void dmub_dcn60_send_inbox0_cmd(struct dmub_srv *dmub, union dmub_inbox0_data_register data);
+void dmub_dcn60_clear_inbox0_ack_register(struct dmub_srv *dmub);
+uint32_t dmub_dcn60_read_inbox0_ack_register(struct dmub_srv *dmub);
+
+void dmub_dcn60_send_reg_inbox0_cmd_msg(struct dmub_srv *dmub,
+		union dmub_rb_cmd *cmd);
+uint32_t dmub_dcn60_read_reg_inbox0_rsp_int_status(struct dmub_srv *dmub);
+void dmub_dcn60_read_reg_inbox0_cmd_rsp(struct dmub_srv *dmub,
+		union dmub_rb_cmd *cmd);
+void dmub_dcn60_write_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub);
+void dmub_dcn60_clear_reg_inbox0_rsp_int_ack(struct dmub_srv *dmub);
+void dmub_dcn60_enable_reg_inbox0_rsp_int(struct dmub_srv *dmub, bool enable);
+
+void dmub_dcn60_write_reg_outbox0_rdy_int_ack(struct dmub_srv *dmub);
+void dmub_dcn60_read_reg_outbox0_msg(struct dmub_srv *dmub, uint32_t *msg);
+void dmub_dcn60_write_reg_outbox0_rsp(struct dmub_srv *dmub, uint32_t *msg);
+uint32_t dmub_dcn60_read_reg_outbox0_rsp_int_status(struct dmub_srv *dmub);
+void dmub_dcn60_enable_reg_outbox0_rdy_int(struct dmub_srv *dmub, bool enable);
+uint32_t dmub_dcn60_read_reg_outbox0_rdy_int_status(struct dmub_srv *dmub);
+
+#endif /* _DMUB_DCN60_H_ */