drm/amdgpu: add navi10 common ip block (v3)

This adds the core SOC code for navi asics.

v1: add place holder and initial basic function (Ray)
v2: add new introduced functions to avoid reference
    NULL pointer (Hawking)
v3L squash in updates (Alex)

Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 877 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 203a6200b2d3..ea12b0177567 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -64,7 +64,7 @@ amdgpu-$(CONFIG_DRM_AMDGPU_SI)+= si.o gmc_v6_0.o gfx_v6_0.o si_ih.o si_dma.o dce
 
 amdgpu-y += \
 	vi.o mxgpu_vi.o nbio_v6_1.o soc15.o emu_soc.o mxgpu_ai.o nbio_v7_0.o vega10_reg_init.o \
-	vega20_reg_init.o nbio_v7_4.o nbio_v2_3.o
+	vega20_reg_init.o nbio_v7_4.o nbio_v2_3.o nv.o navi10_reg_init.o
 
 # add DF block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_reg_init.c b/drivers/gpu/drm/amd/amdgpu/navi10_reg_init.c
new file mode 100644
index 000000000000..8cd4568c07ee
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_reg_init.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2018 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 "amdgpu.h"
+#include "nv.h"
+
+#include "soc15_common.h"
+#include "soc15_hw_ip.h"
+#include "navi10_ip_offset.h"
+
+int navi10_reg_base_init(struct amdgpu_device *adev)
+{
+	int r, i;
+
+	if (amdgpu_discovery) {
+		r = amdgpu_discovery_reg_base_init(adev);
+		if (r) {
+			DRM_WARN("failed to init reg base from ip discovery table, "
+					"fallback to legacy init method\n");
+			goto legacy_init;
+		}
+
+		return 0;
+	}
+
+legacy_init:
+	for (i = 0 ; i < MAX_INSTANCE ; ++i) {
+		adev->reg_offset[GC_HWIP][i] = (uint32_t *)(&(GC_BASE.instance[i]));
+		adev->reg_offset[HDP_HWIP][i] = (uint32_t *)(&(HDP_BASE.instance[i]));
+		adev->reg_offset[MMHUB_HWIP][i] = (uint32_t *)(&(MMHUB_BASE.instance[i]));
+		adev->reg_offset[ATHUB_HWIP][i] = (uint32_t *)(&(ATHUB_BASE.instance[i]));
+		adev->reg_offset[NBIO_HWIP][i] = (uint32_t *)(&(NBIO_BASE.instance[i]));
+		adev->reg_offset[MP0_HWIP][i] = (uint32_t *)(&(MP0_BASE.instance[i]));
+		adev->reg_offset[MP1_HWIP][i] = (uint32_t *)(&(MP1_BASE.instance[i]));
+		adev->reg_offset[VCN_HWIP][i] = (uint32_t *)(&(VCN_BASE.instance[i]));
+		adev->reg_offset[DF_HWIP][i] = (uint32_t *)(&(DF_BASE.instance[i]));
+		adev->reg_offset[DCE_HWIP][i] = (uint32_t *)(&(DCN_BASE.instance[i]));
+		adev->reg_offset[OSSSYS_HWIP][i] = (uint32_t *)(&(OSSSYS_BASE.instance[i]));
+		adev->reg_offset[SDMA0_HWIP][i] = (uint32_t *)(&(GC_BASE.instance[i]));
+		adev->reg_offset[SDMA1_HWIP][i] = (uint32_t *)(&(GC_BASE.instance[i]));
+		adev->reg_offset[SMUIO_HWIP][i] = (uint32_t *)(&(SMUIO_BASE.instance[i]));
+	}
+
+	return 0;
+}
+
+
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
new file mode 100644
index 000000000000..8e61458f1851
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -0,0 +1,777 @@
+/*
+ * Copyright 2019 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 <linux/firmware.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <drm/drmP.h>
+#include "amdgpu.h"
+#include "amdgpu_atombios.h"
+#include "amdgpu_ih.h"
+#include "amdgpu_uvd.h"
+#include "amdgpu_vce.h"
+#include "amdgpu_ucode.h"
+#include "amdgpu_psp.h"
+#include "atom.h"
+#include "amd_pcie.h"
+
+#include "gc/gc_10_1_0_offset.h"
+#include "gc/gc_10_1_0_sh_mask.h"
+#include "hdp/hdp_5_0_0_offset.h"
+#include "hdp/hdp_5_0_0_sh_mask.h"
+
+#include "soc15.h"
+#include "soc15_common.h"
+#include "gmc_v10_0.h"
+#include "gfxhub_v2_0.h"
+#include "mmhub_v2_0.h"
+#include "nv.h"
+#include "navi10_ih.h"
+#include "gfx_v10_0.h"
+#include "sdma_v5_0.h"
+#include "vcn_v2_0.h"
+#include "dce_virtual.h"
+#include "mes_v10_1.h"
+
+static const struct amd_ip_funcs nv_common_ip_funcs;
+
+/*
+ * Indirect registers accessor
+ */
+static u32 nv_pcie_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags, address, data;
+	u32 r;
+	address = adev->nbio_funcs->get_pcie_index_offset(adev);
+	data = adev->nbio_funcs->get_pcie_data_offset(adev);
+
+	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
+	WREG32(address, reg);
+	(void)RREG32(address);
+	r = RREG32(data);
+	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
+	return r;
+}
+
+static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags, address, data;
+
+	address = adev->nbio_funcs->get_pcie_index_offset(adev);
+	data = adev->nbio_funcs->get_pcie_data_offset(adev);
+
+	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
+	WREG32(address, reg);
+	(void)RREG32(address);
+	WREG32(data, v);
+	(void)RREG32(data);
+	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
+}
+
+static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags, address, data;
+	u32 r;
+
+	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
+	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
+
+	spin_lock_irqsave(&adev->didt_idx_lock, flags);
+	WREG32(address, (reg));
+	r = RREG32(data);
+	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
+	return r;
+}
+
+static void nv_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags, address, data;
+
+	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
+	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
+
+	spin_lock_irqsave(&adev->didt_idx_lock, flags);
+	WREG32(address, (reg));
+	WREG32(data, (v));
+	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
+}
+
+static u32 nv_get_config_memsize(struct amdgpu_device *adev)
+{
+	return adev->nbio_funcs->get_memsize(adev);
+}
+
+static u32 nv_get_xclk(struct amdgpu_device *adev)
+{
+	return adev->clock.spll.reference_freq / 4;
+}
+
+
+void nv_grbm_select(struct amdgpu_device *adev,
+		     u32 me, u32 pipe, u32 queue, u32 vmid)
+{
+	u32 grbm_gfx_cntl = 0;
+	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
+	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
+	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
+	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
+
+	WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl);
+}
+
+static void nv_vga_set_state(struct amdgpu_device *adev, bool state)
+{
+	/* todo */
+}
+
+static bool nv_read_disabled_bios(struct amdgpu_device *adev)
+{
+	/* todo */
+	return false;
+}
+
+static bool nv_read_bios_from_rom(struct amdgpu_device *adev,
+				  u8 *bios, u32 length_bytes)
+{
+	/* TODO: will implement it when SMU header is available */
+	return false;
+}
+
+static struct soc15_allowed_register_entry nv_allowed_read_registers[] = {
+	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
+	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
+	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
+	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
+	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
+	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
+#if 0	/* TODO: will set it when SDMA header is available */
+	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
+	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
+#endif
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
+	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
+	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
+};
+
+static uint32_t nv_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
+					 u32 sh_num, u32 reg_offset)
+{
+	uint32_t val;
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	if (se_num != 0xffffffff || sh_num != 0xffffffff)
+		amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
+
+	val = RREG32(reg_offset);
+
+	if (se_num != 0xffffffff || sh_num != 0xffffffff)
+		amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	mutex_unlock(&adev->grbm_idx_mutex);
+	return val;
+}
+
+static uint32_t nv_get_register_value(struct amdgpu_device *adev,
+				      bool indexed, u32 se_num,
+				      u32 sh_num, u32 reg_offset)
+{
+	if (indexed) {
+		return nv_read_indexed_register(adev, se_num, sh_num, reg_offset);
+	} else {
+		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
+			return adev->gfx.config.gb_addr_config;
+		return RREG32(reg_offset);
+	}
+}
+
+static int nv_read_register(struct amdgpu_device *adev, u32 se_num,
+			    u32 sh_num, u32 reg_offset, u32 *value)
+{
+	uint32_t i;
+	struct soc15_allowed_register_entry  *en;
+
+	*value = 0;
+	for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) {
+		en = &nv_allowed_read_registers[i];
+		if (reg_offset !=
+		    (adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset))
+			continue;
+
+		*value = nv_get_register_value(adev,
+					       nv_allowed_read_registers[i].grbm_indexed,
+					       se_num, sh_num, reg_offset);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+#if 0
+static void nv_gpu_pci_config_reset(struct amdgpu_device *adev)
+{
+	u32 i;
+
+	dev_info(adev->dev, "GPU pci config reset\n");
+
+	/* disable BM */
+	pci_clear_master(adev->pdev);
+	/* reset */
+	amdgpu_pci_config_reset(adev);
+
+	udelay(100);
+
+	/* wait for asic to come out of reset */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		u32 memsize = nbio_v2_3_get_memsize(adev);
+		if (memsize != 0xffffffff)
+			break;
+		udelay(1);
+	}
+
+}
+#endif
+
+static int nv_asic_reset(struct amdgpu_device *adev)
+{
+
+	/* FIXME: it doesn't work since vega10 */
+#if 0
+	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
+
+	nv_gpu_pci_config_reset(adev);
+
+	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
+#endif
+
+	return 0;
+}
+
+static int nv_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
+{
+	/* todo */
+	return 0;
+}
+
+static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
+{
+	/* todo */
+	return 0;
+}
+
+static void nv_pcie_gen3_enable(struct amdgpu_device *adev)
+{
+	if (pci_is_root_bus(adev->pdev->bus))
+		return;
+
+	if (amdgpu_pcie_gen2 == 0)
+		return;
+
+	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
+					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
+		return;
+
+	/* todo */
+}
+
+static void nv_program_aspm(struct amdgpu_device *adev)
+{
+
+	if (amdgpu_aspm == 0)
+		return;
+
+	/* todo */
+}
+
+static void nv_enable_doorbell_aperture(struct amdgpu_device *adev,
+					bool enable)
+{
+	adev->nbio_funcs->enable_doorbell_aperture(adev, enable);
+	adev->nbio_funcs->enable_doorbell_selfring_aperture(adev, enable);
+}
+
+static const struct amdgpu_ip_block_version nv_common_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_COMMON,
+	.major = 1,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &nv_common_ip_funcs,
+};
+
+int nv_set_ip_blocks(struct amdgpu_device *adev)
+{
+	/* Set IP register base before any HW register access */
+	switch (adev->asic_type) {
+	case CHIP_NAVI10:
+		navi10_reg_base_init(adev);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	adev->nbio_funcs = &nbio_v2_3_funcs;
+
+	adev->nbio_funcs->detect_hw_virt(adev);
+
+	switch (adev->asic_type) {
+	case CHIP_NAVI10:
+		amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
+		amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
+		amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
+		amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
+		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
+		    is_support_sw_smu(adev))
+			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
+		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
+			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
+		amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
+		amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
+		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
+		    is_support_sw_smu(adev))
+			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
+		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
+		if (adev->enable_mes)
+			amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static uint32_t nv_get_rev_id(struct amdgpu_device *adev)
+{
+	return adev->nbio_funcs->get_rev_id(adev);
+}
+
+static void nv_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
+{
+	adev->nbio_funcs->hdp_flush(adev, ring);
+}
+
+static void nv_invalidate_hdp(struct amdgpu_device *adev,
+				struct amdgpu_ring *ring)
+{
+	if (!ring || !ring->funcs->emit_wreg) {
+		WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
+	} else {
+		amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
+					HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
+	}
+}
+
+static bool nv_need_full_reset(struct amdgpu_device *adev)
+{
+	return true;
+}
+
+static void nv_get_pcie_usage(struct amdgpu_device *adev,
+			      uint64_t *count0,
+			      uint64_t *count1)
+{
+	/*TODO*/
+}
+
+static bool nv_need_reset_on_init(struct amdgpu_device *adev)
+{
+#if 0
+	u32 sol_reg;
+
+	if (adev->flags & AMD_IS_APU)
+		return false;
+
+	/* Check sOS sign of life register to confirm sys driver and sOS
+	 * are already been loaded.
+	 */
+	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
+	if (sol_reg)
+		return true;
+#endif
+	/* TODO: re-enable it when mode1 reset is functional */
+	return false;
+}
+
+static void nv_init_doorbell_index(struct amdgpu_device *adev)
+{
+	adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ;
+	adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0;
+	adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1;
+	adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2;
+	adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3;
+	adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4;
+	adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5;
+	adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6;
+	adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7;
+	adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START;
+	adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END;
+	adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0;
+	adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1;
+	adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0;
+	adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1;
+	adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH;
+	adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1;
+	adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3;
+	adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5;
+	adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7;
+	adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP;
+	adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP;
+
+	adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1;
+	adev->doorbell_index.sdma_doorbell_range = 20;
+}
+
+static const struct amdgpu_asic_funcs nv_asic_funcs =
+{
+	.read_disabled_bios = &nv_read_disabled_bios,
+	.read_bios_from_rom = &nv_read_bios_from_rom,
+	.read_register = &nv_read_register,
+	.reset = &nv_asic_reset,
+	.set_vga_state = &nv_vga_set_state,
+	.get_xclk = &nv_get_xclk,
+	.set_uvd_clocks = &nv_set_uvd_clocks,
+	.set_vce_clocks = &nv_set_vce_clocks,
+	.get_config_memsize = &nv_get_config_memsize,
+	.flush_hdp = &nv_flush_hdp,
+	.invalidate_hdp = &nv_invalidate_hdp,
+	.init_doorbell_index = &nv_init_doorbell_index,
+	.need_full_reset = &nv_need_full_reset,
+	.get_pcie_usage = &nv_get_pcie_usage,
+	.need_reset_on_init = &nv_need_reset_on_init,
+};
+
+static int nv_common_early_init(void *handle)
+{
+	bool psp_enabled = false;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->smc_rreg = NULL;
+	adev->smc_wreg = NULL;
+	adev->pcie_rreg = &nv_pcie_rreg;
+	adev->pcie_wreg = &nv_pcie_wreg;
+
+	/* TODO: will add them during VCN v2 implementation */
+	adev->uvd_ctx_rreg = NULL;
+	adev->uvd_ctx_wreg = NULL;
+
+	adev->didt_rreg = &nv_didt_rreg;
+	adev->didt_wreg = &nv_didt_wreg;
+
+	adev->asic_funcs = &nv_asic_funcs;
+
+	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP) &&
+	    (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_PSP)))
+		psp_enabled = true;
+
+	adev->rev_id = nv_get_rev_id(adev);
+	adev->external_rev_id = 0xff;
+	switch (adev->asic_type) {
+	case CHIP_NAVI10:
+		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
+			AMD_CG_SUPPORT_GFX_MGLS |
+			AMD_CG_SUPPORT_GFX_RLC_LS |
+			AMD_CG_SUPPORT_GFX_CP_LS |
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_IH_CG |
+			AMD_CG_SUPPORT_HDP_MGCG |
+			AMD_CG_SUPPORT_HDP_LS |
+			AMD_CG_SUPPORT_SDMA_MGCG |
+			AMD_CG_SUPPORT_SDMA_LS |
+			AMD_CG_SUPPORT_MC_MGCG |
+			AMD_CG_SUPPORT_MC_LS |
+			AMD_CG_SUPPORT_ATHUB_MGCG |
+			AMD_CG_SUPPORT_ATHUB_LS |
+			AMD_CG_SUPPORT_VCN_MGCG |
+			AMD_CG_SUPPORT_BIF_MGCG |
+			AMD_CG_SUPPORT_BIF_LS;
+		adev->pg_flags = 0;
+		adev->external_rev_id = adev->rev_id + 0x1;
+		break;
+	default:
+		/* FIXME: not supported yet */
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int nv_common_late_init(void *handle)
+{
+	return 0;
+}
+
+static int nv_common_sw_init(void *handle)
+{
+	return 0;
+}
+
+static int nv_common_sw_fini(void *handle)
+{
+	return 0;
+}
+
+static int nv_common_hw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* enable pcie gen2/3 link */
+	nv_pcie_gen3_enable(adev);
+	/* enable aspm */
+	nv_program_aspm(adev);
+	/* setup nbio registers */
+	adev->nbio_funcs->init_registers(adev);
+	/* enable the doorbell aperture */
+	nv_enable_doorbell_aperture(adev, true);
+
+	return 0;
+}
+
+static int nv_common_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* disable the doorbell aperture */
+	nv_enable_doorbell_aperture(adev, false);
+
+	return 0;
+}
+
+static int nv_common_suspend(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return nv_common_hw_fini(adev);
+}
+
+static int nv_common_resume(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return nv_common_hw_init(adev);
+}
+
+static bool nv_common_is_idle(void *handle)
+{
+	return true;
+}
+
+static int nv_common_wait_for_idle(void *handle)
+{
+	return 0;
+}
+
+static int nv_common_soft_reset(void *handle)
+{
+	return 0;
+}
+
+static void nv_update_hdp_mem_power_gating(struct amdgpu_device *adev,
+					   bool enable)
+{
+	uint32_t hdp_clk_cntl, hdp_clk_cntl1;
+	uint32_t hdp_mem_pwr_cntl;
+
+	if (!(adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS |
+				AMD_CG_SUPPORT_HDP_DS |
+				AMD_CG_SUPPORT_HDP_SD)))
+		return;
+
+	hdp_clk_cntl = hdp_clk_cntl1 = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
+	hdp_mem_pwr_cntl = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
+
+	/* Before doing clock/power mode switch,
+	 * forced on IPH & RC clock */
+	hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
+				     IPH_MEM_CLK_SOFT_OVERRIDE, 1);
+	hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
+				     RC_MEM_CLK_SOFT_OVERRIDE, 1);
+	WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
+
+	/* HDP 5.0 doesn't support dynamic power mode switch,
+	 * disable clock and power gating before any changing */
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 IPH_MEM_POWER_CTRL_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 IPH_MEM_POWER_LS_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 IPH_MEM_POWER_DS_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 IPH_MEM_POWER_SD_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 RC_MEM_POWER_CTRL_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 RC_MEM_POWER_LS_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 RC_MEM_POWER_DS_EN, 0);
+	hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
+					 RC_MEM_POWER_SD_EN, 0);
+	WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
+
+	/* only one clock gating mode (LS/DS/SD) can be enabled */
+	if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
+		hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
+						 HDP_MEM_POWER_CTRL,
+						 IPH_MEM_POWER_LS_EN, enable);
+		hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
+						 HDP_MEM_POWER_CTRL,
+						 RC_MEM_POWER_LS_EN, enable);
+	} else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_DS) {
+		hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
+						 HDP_MEM_POWER_CTRL,
+						 IPH_MEM_POWER_DS_EN, enable);
+		hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
+						 HDP_MEM_POWER_CTRL,
+						 RC_MEM_POWER_DS_EN, enable);
+	} else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_SD) {
+		hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
+						 HDP_MEM_POWER_CTRL,
+						 IPH_MEM_POWER_SD_EN, enable);
+		/* RC should not use shut down mode, fallback to ds */
+		hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
+						 HDP_MEM_POWER_CTRL,
+						 RC_MEM_POWER_DS_EN, enable);
+	}
+
+	WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
+
+	/* restore IPH & RC clock override after clock/power mode changing */
+	WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl1);
+}
+
+static void nv_update_hdp_clock_gating(struct amdgpu_device *adev,
+				       bool enable)
+{
+	uint32_t hdp_clk_cntl;
+
+	if (!(adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
+		return;
+
+	hdp_clk_cntl = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
+
+	if (enable) {
+		hdp_clk_cntl &=
+			~(uint32_t)
+			  (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
+			   HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
+			   HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
+			   HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
+			   HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
+			   HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK);
+	} else {
+		hdp_clk_cntl |= HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
+			HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
+			HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
+			HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
+			HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
+			HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK;
+	}
+
+	WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
+}
+
+static int nv_common_set_clockgating_state(void *handle,
+					   enum amd_clockgating_state state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	switch (adev->asic_type) {
+	case CHIP_NAVI10:
+		adev->nbio_funcs->update_medium_grain_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		adev->nbio_funcs->update_medium_grain_light_sleep(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		nv_update_hdp_mem_power_gating(adev,
+				   state == AMD_CG_STATE_GATE ? true : false);
+		nv_update_hdp_clock_gating(adev,
+				state == AMD_CG_STATE_GATE ? true : false);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int nv_common_set_powergating_state(void *handle,
+					   enum amd_powergating_state state)
+{
+	/* TODO */
+	return 0;
+}
+
+static void nv_common_get_clockgating_state(void *handle, u32 *flags)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	uint32_t tmp;
+
+	if (amdgpu_sriov_vf(adev))
+		*flags = 0;
+
+	adev->nbio_funcs->get_clockgating_state(adev, flags);
+
+	/* AMD_CG_SUPPORT_HDP_MGCG */
+	tmp = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
+	if (!(tmp & (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
+		     HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
+		     HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
+		     HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
+		     HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
+		     HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK)))
+		*flags |= AMD_CG_SUPPORT_HDP_MGCG;
+
+	/* AMD_CG_SUPPORT_HDP_LS/DS/SD */
+	tmp = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
+	if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK)
+		*flags |= AMD_CG_SUPPORT_HDP_LS;
+	else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_DS_EN_MASK)
+		*flags |= AMD_CG_SUPPORT_HDP_DS;
+	else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_SD_EN_MASK)
+		*flags |= AMD_CG_SUPPORT_HDP_SD;
+
+	return;
+}
+
+static const struct amd_ip_funcs nv_common_ip_funcs = {
+	.name = "nv_common",
+	.early_init = nv_common_early_init,
+	.late_init = nv_common_late_init,
+	.sw_init = nv_common_sw_init,
+	.sw_fini = nv_common_sw_fini,
+	.hw_init = nv_common_hw_init,
+	.hw_fini = nv_common_hw_fini,
+	.suspend = nv_common_suspend,
+	.resume = nv_common_resume,
+	.is_idle = nv_common_is_idle,
+	.wait_for_idle = nv_common_wait_for_idle,
+	.soft_reset = nv_common_soft_reset,
+	.set_clockgating_state = nv_common_set_clockgating_state,
+	.set_powergating_state = nv_common_set_powergating_state,
+	.get_clockgating_state = nv_common_get_clockgating_state,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.h b/drivers/gpu/drm/amd/amdgpu/nv.h
new file mode 100644
index 000000000000..639c54933cc5
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/nv.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2019 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 __NV_H__
+#define __NV_H__
+
+#include "nbio_v2_3.h"
+
+void nv_grbm_select(struct amdgpu_device *adev,
+		    u32 me, u32 pipe, u32 queue, u32 vmid);
+int nv_set_ip_blocks(struct amdgpu_device *adev);
+int navi10_reg_base_init(struct amdgpu_device *adev);
+#endif