xref: /linux/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c (revision 4f9786035f9e519db41375818e1d0b5f20da2f10)
1a7e91bd7SHuang Rui /*
2a7e91bd7SHuang Rui  * Copyright 2020 Advanced Micro Devices, Inc.
3a7e91bd7SHuang Rui  *
4a7e91bd7SHuang Rui  * Permission is hereby granted, free of charge, to any person obtaining a
5a7e91bd7SHuang Rui  * copy of this software and associated documentation files (the "Software"),
6a7e91bd7SHuang Rui  * to deal in the Software without restriction, including without limitation
7a7e91bd7SHuang Rui  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8a7e91bd7SHuang Rui  * and/or sell copies of the Software, and to permit persons to whom the
9a7e91bd7SHuang Rui  * Software is furnished to do so, subject to the following conditions:
10a7e91bd7SHuang Rui  *
11a7e91bd7SHuang Rui  * The above copyright notice and this permission notice shall be included in
12a7e91bd7SHuang Rui  * all copies or substantial portions of the Software.
13a7e91bd7SHuang Rui  *
14a7e91bd7SHuang Rui  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15a7e91bd7SHuang Rui  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16a7e91bd7SHuang Rui  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17a7e91bd7SHuang Rui  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18a7e91bd7SHuang Rui  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19a7e91bd7SHuang Rui  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20a7e91bd7SHuang Rui  * OTHER DEALINGS IN THE SOFTWARE.
21a7e91bd7SHuang Rui  *
22a7e91bd7SHuang Rui  */
23a7e91bd7SHuang Rui #include "amdgpu.h"
24a7e91bd7SHuang Rui #include "nbio_v7_2.h"
25a7e91bd7SHuang Rui 
26a7e91bd7SHuang Rui #include "nbio/nbio_7_2_0_offset.h"
27a7e91bd7SHuang Rui #include "nbio/nbio_7_2_0_sh_mask.h"
28a7e91bd7SHuang Rui #include <uapi/linux/kfd_ioctl.h>
29a7e91bd7SHuang Rui 
30011b514fSAaron Liu #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC				0x0015
31011b514fSAaron Liu #define regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC_BASE_IDX		2
32011b514fSAaron Liu #define regBIF_BX0_BIF_FB_EN_YC								0x0100
33011b514fSAaron Liu #define regBIF_BX0_BIF_FB_EN_YC_BASE_IDX					2
34011b514fSAaron Liu #define regBIF1_PCIE_MST_CTRL_3								0x4601c6
35011b514fSAaron Liu #define regBIF1_PCIE_MST_CTRL_3_BASE_IDX					5
36011b514fSAaron Liu #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_MODE__SHIFT \
37011b514fSAaron Liu 			0x1b
38011b514fSAaron Liu #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV__SHIFT \
39011b514fSAaron Liu 			0x1c
40011b514fSAaron Liu #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_MODE_MASK \
41011b514fSAaron Liu 			0x08000000L
42011b514fSAaron Liu #define BIF1_PCIE_MST_CTRL_3__CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV_MASK \
43011b514fSAaron Liu 			0x30000000L
44011b514fSAaron Liu #define regBIF1_PCIE_TX_POWER_CTRL_1						0x460187
45011b514fSAaron Liu #define regBIF1_PCIE_TX_POWER_CTRL_1_BASE_IDX				5
46011b514fSAaron Liu #define BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK		0x00000001L
47011b514fSAaron Liu #define BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK	0x00000008L
48011b514fSAaron Liu 
nbio_v7_2_remap_hdp_registers(struct amdgpu_device * adev)49a7e91bd7SHuang Rui static void nbio_v7_2_remap_hdp_registers(struct amdgpu_device *adev)
50a7e91bd7SHuang Rui {
51a7e91bd7SHuang Rui 	WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
52a7e91bd7SHuang Rui 		adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
53a7e91bd7SHuang Rui 	WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
54a7e91bd7SHuang Rui 		adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
55a7e91bd7SHuang Rui }
56a7e91bd7SHuang Rui 
nbio_v7_2_get_rev_id(struct amdgpu_device * adev)57a7e91bd7SHuang Rui static u32 nbio_v7_2_get_rev_id(struct amdgpu_device *adev)
58a7e91bd7SHuang Rui {
59011b514fSAaron Liu 	u32 tmp;
60011b514fSAaron Liu 
614e8303cfSLijo Lazar 	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
62d726d43cSTim Huang 	case IP_VERSION(7, 2, 1):
63935ad3a7SYifan Zhang 	case IP_VERSION(7, 3, 0):
64d726d43cSTim Huang 	case IP_VERSION(7, 5, 0):
65011b514fSAaron Liu 		tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0_YC);
66d726d43cSTim Huang 		break;
67d726d43cSTim Huang 	default:
68011b514fSAaron Liu 		tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
69d726d43cSTim Huang 		break;
70d726d43cSTim Huang 	}
71a7e91bd7SHuang Rui 
72a7e91bd7SHuang Rui 	tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
73a7e91bd7SHuang Rui 	tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
74a7e91bd7SHuang Rui 
75a7e91bd7SHuang Rui 	return tmp;
76a7e91bd7SHuang Rui }
77a7e91bd7SHuang Rui 
nbio_v7_2_mc_access_enable(struct amdgpu_device * adev,bool enable)78a7e91bd7SHuang Rui static void nbio_v7_2_mc_access_enable(struct amdgpu_device *adev, bool enable)
79a7e91bd7SHuang Rui {
804e8303cfSLijo Lazar 	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
81d726d43cSTim Huang 	case IP_VERSION(7, 2, 1):
82935ad3a7SYifan Zhang 	case IP_VERSION(7, 3, 0):
83d726d43cSTim Huang 	case IP_VERSION(7, 5, 0):
84a7e91bd7SHuang Rui 		if (enable)
85011b514fSAaron Liu 			WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN_YC,
86011b514fSAaron Liu 				BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK |
87011b514fSAaron Liu 				BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
88011b514fSAaron Liu 		else
89d726d43cSTim Huang 			WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN_YC, 0);
90d726d43cSTim Huang 	break;
91d726d43cSTim Huang 	default:
92d726d43cSTim Huang 		if (enable)
93a7e91bd7SHuang Rui 			WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
94a7e91bd7SHuang Rui 				BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK |
95a7e91bd7SHuang Rui 				BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
96a7e91bd7SHuang Rui 		else
97a7e91bd7SHuang Rui 			WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
98d726d43cSTim Huang 		break;
99d726d43cSTim Huang 	}
100a7e91bd7SHuang Rui }
101a7e91bd7SHuang Rui 
nbio_v7_2_get_memsize(struct amdgpu_device * adev)102a7e91bd7SHuang Rui static u32 nbio_v7_2_get_memsize(struct amdgpu_device *adev)
103a7e91bd7SHuang Rui {
104a7e91bd7SHuang Rui 	return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_CONFIG_MEMSIZE);
105a7e91bd7SHuang Rui }
106a7e91bd7SHuang Rui 
nbio_v7_2_sdma_doorbell_range(struct amdgpu_device * adev,int instance,bool use_doorbell,int doorbell_index,int doorbell_size)107a7e91bd7SHuang Rui static void nbio_v7_2_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
108a7e91bd7SHuang Rui 					  bool use_doorbell, int doorbell_index,
109a7e91bd7SHuang Rui 					  int doorbell_size)
110a7e91bd7SHuang Rui {
111a7e91bd7SHuang Rui 	u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_SDMA0_DOORBELL_RANGE);
112a7e91bd7SHuang Rui 	u32 doorbell_range = RREG32_PCIE_PORT(reg);
113a7e91bd7SHuang Rui 
114a7e91bd7SHuang Rui 	if (use_doorbell) {
115a7e91bd7SHuang Rui 		doorbell_range = REG_SET_FIELD(doorbell_range,
116a7e91bd7SHuang Rui 					       GDC0_BIF_SDMA0_DOORBELL_RANGE,
117a7e91bd7SHuang Rui 					       OFFSET, doorbell_index);
118a7e91bd7SHuang Rui 		doorbell_range = REG_SET_FIELD(doorbell_range,
119a7e91bd7SHuang Rui 					       GDC0_BIF_SDMA0_DOORBELL_RANGE,
120a7e91bd7SHuang Rui 					       SIZE, doorbell_size);
121a7e91bd7SHuang Rui 	} else {
122a7e91bd7SHuang Rui 		doorbell_range = REG_SET_FIELD(doorbell_range,
123a7e91bd7SHuang Rui 					       GDC0_BIF_SDMA0_DOORBELL_RANGE,
124a7e91bd7SHuang Rui 					       SIZE, 0);
125a7e91bd7SHuang Rui 	}
126a7e91bd7SHuang Rui 
127a7e91bd7SHuang Rui 	WREG32_PCIE_PORT(reg, doorbell_range);
128a7e91bd7SHuang Rui }
129a7e91bd7SHuang Rui 
nbio_v7_2_vcn_doorbell_range(struct amdgpu_device * adev,bool use_doorbell,int doorbell_index,int instance)130a7e91bd7SHuang Rui static void nbio_v7_2_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
131a7e91bd7SHuang Rui 					 int doorbell_index, int instance)
132a7e91bd7SHuang Rui {
133a7e91bd7SHuang Rui 	u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE);
134a7e91bd7SHuang Rui 	u32 doorbell_range = RREG32_PCIE_PORT(reg);
135a7e91bd7SHuang Rui 
136a7e91bd7SHuang Rui 	if (use_doorbell) {
137a7e91bd7SHuang Rui 		doorbell_range = REG_SET_FIELD(doorbell_range,
138a7e91bd7SHuang Rui 							GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET,
139a7e91bd7SHuang Rui 							doorbell_index);
140a7e91bd7SHuang Rui 		doorbell_range = REG_SET_FIELD(doorbell_range,
141a7e91bd7SHuang Rui 							GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8);
142a7e91bd7SHuang Rui 	} else {
143a7e91bd7SHuang Rui 		doorbell_range = REG_SET_FIELD(doorbell_range,
144a7e91bd7SHuang Rui 							GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0);
145a7e91bd7SHuang Rui 	}
146a7e91bd7SHuang Rui 
147a7e91bd7SHuang Rui 	WREG32_PCIE_PORT(reg, doorbell_range);
148a7e91bd7SHuang Rui }
149a7e91bd7SHuang Rui 
nbio_v7_2_enable_doorbell_aperture(struct amdgpu_device * adev,bool enable)150a7e91bd7SHuang Rui static void nbio_v7_2_enable_doorbell_aperture(struct amdgpu_device *adev,
151a7e91bd7SHuang Rui 					       bool enable)
152a7e91bd7SHuang Rui {
153a7e91bd7SHuang Rui 	u32 reg;
154a7e91bd7SHuang Rui 
155a7e91bd7SHuang Rui 	reg = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN);
156a7e91bd7SHuang Rui 	reg = REG_SET_FIELD(reg, RCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN,
157a7e91bd7SHuang Rui 			    BIF_DOORBELL_APER_EN, enable ? 1 : 0);
158a7e91bd7SHuang Rui 
159a7e91bd7SHuang Rui 	WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, reg);
160a7e91bd7SHuang Rui }
161a7e91bd7SHuang Rui 
nbio_v7_2_enable_doorbell_selfring_aperture(struct amdgpu_device * adev,bool enable)162a7e91bd7SHuang Rui static void nbio_v7_2_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
163a7e91bd7SHuang Rui 							bool enable)
164a7e91bd7SHuang Rui {
165a7e91bd7SHuang Rui 	u32 tmp = 0;
166a7e91bd7SHuang Rui 
167a7e91bd7SHuang Rui 	if (enable) {
168a7e91bd7SHuang Rui 		tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
169a7e91bd7SHuang Rui 				DOORBELL_SELFRING_GPA_APER_EN, 1) |
170a7e91bd7SHuang Rui 			REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
171a7e91bd7SHuang Rui 				DOORBELL_SELFRING_GPA_APER_MODE, 1) |
172a7e91bd7SHuang Rui 			REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
173a7e91bd7SHuang Rui 				DOORBELL_SELFRING_GPA_APER_SIZE, 0);
174a7e91bd7SHuang Rui 
175a7e91bd7SHuang Rui 		WREG32_SOC15(NBIO, 0,
176a7e91bd7SHuang Rui 			regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
177a7e91bd7SHuang Rui 			lower_32_bits(adev->doorbell.base));
178a7e91bd7SHuang Rui 		WREG32_SOC15(NBIO, 0,
179a7e91bd7SHuang Rui 			regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
180a7e91bd7SHuang Rui 			upper_32_bits(adev->doorbell.base));
181a7e91bd7SHuang Rui 	}
182a7e91bd7SHuang Rui 
183a7e91bd7SHuang Rui 	WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
184a7e91bd7SHuang Rui 		tmp);
185a7e91bd7SHuang Rui }
186a7e91bd7SHuang Rui 
187a7e91bd7SHuang Rui 
nbio_v7_2_ih_doorbell_range(struct amdgpu_device * adev,bool use_doorbell,int doorbell_index)188a7e91bd7SHuang Rui static void nbio_v7_2_ih_doorbell_range(struct amdgpu_device *adev,
189a7e91bd7SHuang Rui 					bool use_doorbell, int doorbell_index)
190a7e91bd7SHuang Rui {
191a7e91bd7SHuang Rui 	u32 ih_doorbell_range = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE));
192a7e91bd7SHuang Rui 
193a7e91bd7SHuang Rui 	if (use_doorbell) {
194a7e91bd7SHuang Rui 		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
195a7e91bd7SHuang Rui 						  GDC0_BIF_IH_DOORBELL_RANGE, OFFSET,
196a7e91bd7SHuang Rui 						  doorbell_index);
197a7e91bd7SHuang Rui 		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
198a7e91bd7SHuang Rui 						  GDC0_BIF_IH_DOORBELL_RANGE, SIZE,
199a7e91bd7SHuang Rui 						  2);
200a7e91bd7SHuang Rui 	} else {
201a7e91bd7SHuang Rui 		ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
202a7e91bd7SHuang Rui 						  GDC0_BIF_IH_DOORBELL_RANGE, SIZE,
203a7e91bd7SHuang Rui 						  0);
204a7e91bd7SHuang Rui 	}
205a7e91bd7SHuang Rui 
206a7e91bd7SHuang Rui 	WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE),
207a7e91bd7SHuang Rui 			 ih_doorbell_range);
208a7e91bd7SHuang Rui }
209a7e91bd7SHuang Rui 
nbio_v7_2_ih_control(struct amdgpu_device * adev)210a7e91bd7SHuang Rui static void nbio_v7_2_ih_control(struct amdgpu_device *adev)
211a7e91bd7SHuang Rui {
212a7e91bd7SHuang Rui 	u32 interrupt_cntl;
213a7e91bd7SHuang Rui 
214a7e91bd7SHuang Rui 	/* setup interrupt control */
215a7e91bd7SHuang Rui 	WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2,
216a7e91bd7SHuang Rui 		     adev->dummy_page_addr >> 8);
217a7e91bd7SHuang Rui 
218a7e91bd7SHuang Rui 	interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL);
219a7e91bd7SHuang Rui 	/*
220a7e91bd7SHuang Rui 	 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
221a7e91bd7SHuang Rui 	 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
222a7e91bd7SHuang Rui 	 */
223a7e91bd7SHuang Rui 	interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL,
224a7e91bd7SHuang Rui 				       IH_DUMMY_RD_OVERRIDE, 0);
225a7e91bd7SHuang Rui 
226a7e91bd7SHuang Rui 	/* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
227a7e91bd7SHuang Rui 	interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL,
228a7e91bd7SHuang Rui 				       IH_REQ_NONSNOOP_EN, 0);
229a7e91bd7SHuang Rui 
230a7e91bd7SHuang Rui 	WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl);
231a7e91bd7SHuang Rui }
232a7e91bd7SHuang Rui 
nbio_v7_2_update_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)233a7e91bd7SHuang Rui static void nbio_v7_2_update_medium_grain_clock_gating(struct amdgpu_device *adev,
234a7e91bd7SHuang Rui 						       bool enable)
235a7e91bd7SHuang Rui {
236a7e91bd7SHuang Rui 	uint32_t def, data;
237a7e91bd7SHuang Rui 
238a7e91bd7SHuang Rui 	def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL));
239a7e91bd7SHuang Rui 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) {
240a7e91bd7SHuang Rui 		data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
241a7e91bd7SHuang Rui 			 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
242a7e91bd7SHuang Rui 			 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
243a7e91bd7SHuang Rui 			 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
244a7e91bd7SHuang Rui 			 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
245a7e91bd7SHuang Rui 			 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
246a7e91bd7SHuang Rui 	} else {
247a7e91bd7SHuang Rui 		data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
248a7e91bd7SHuang Rui 			  CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
249a7e91bd7SHuang Rui 			  CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
250a7e91bd7SHuang Rui 			  CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
251a7e91bd7SHuang Rui 			  CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
252a7e91bd7SHuang Rui 			  CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
253a7e91bd7SHuang Rui 	}
254a7e91bd7SHuang Rui 
255a7e91bd7SHuang Rui 	if (def != data)
256a7e91bd7SHuang Rui 		WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL), data);
257a7e91bd7SHuang Rui }
258a7e91bd7SHuang Rui 
nbio_v7_2_update_medium_grain_light_sleep(struct amdgpu_device * adev,bool enable)259a7e91bd7SHuang Rui static void nbio_v7_2_update_medium_grain_light_sleep(struct amdgpu_device *adev,
260a7e91bd7SHuang Rui 						      bool enable)
261a7e91bd7SHuang Rui {
262a7e91bd7SHuang Rui 	uint32_t def, data;
263a7e91bd7SHuang Rui 
2644e8303cfSLijo Lazar 	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
265d726d43cSTim Huang 	case IP_VERSION(7, 2, 1):
266935ad3a7SYifan Zhang 	case IP_VERSION(7, 3, 0):
267d726d43cSTim Huang 	case IP_VERSION(7, 5, 0):
268a7e91bd7SHuang Rui 		def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2));
269011b514fSAaron Liu 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
270011b514fSAaron Liu 			data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK;
271011b514fSAaron Liu 		else
272011b514fSAaron Liu 			data &= ~PCIE_CNTL2__SLV_MEM_LS_EN_MASK;
273a7e91bd7SHuang Rui 
274a7e91bd7SHuang Rui 		if (def != data)
275a7e91bd7SHuang Rui 			WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data);
276011b514fSAaron Liu 
277d726d43cSTim Huang 		def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0,
278d726d43cSTim Huang 			regBIF1_PCIE_TX_POWER_CTRL_1));
279011b514fSAaron Liu 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
280011b514fSAaron Liu 			data |= (BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK |
281011b514fSAaron Liu 				BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK);
282011b514fSAaron Liu 		else
283011b514fSAaron Liu 			data &= ~(BIF1_PCIE_TX_POWER_CTRL_1__MST_MEM_LS_EN_MASK |
284011b514fSAaron Liu 				BIF1_PCIE_TX_POWER_CTRL_1__REPLAY_MEM_LS_EN_MASK);
285011b514fSAaron Liu 
286011b514fSAaron Liu 		if (def != data)
287011b514fSAaron Liu 			WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_TX_POWER_CTRL_1),
288011b514fSAaron Liu 				data);
289d726d43cSTim Huang 		break;
290d726d43cSTim Huang 	default:
291011b514fSAaron Liu 		def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2));
292011b514fSAaron Liu 		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
293011b514fSAaron Liu 			data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
294011b514fSAaron Liu 				 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
295011b514fSAaron Liu 				 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
296011b514fSAaron Liu 		else
297011b514fSAaron Liu 			data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
298011b514fSAaron Liu 				  PCIE_CNTL2__MST_MEM_LS_EN_MASK |
299011b514fSAaron Liu 				  PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
300011b514fSAaron Liu 
301011b514fSAaron Liu 		if (def != data)
302011b514fSAaron Liu 			WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data);
303d726d43cSTim Huang 		break;
304011b514fSAaron Liu 	}
305a7e91bd7SHuang Rui }
306a7e91bd7SHuang Rui 
nbio_v7_2_get_clockgating_state(struct amdgpu_device * adev,u64 * flags)307a7e91bd7SHuang Rui static void nbio_v7_2_get_clockgating_state(struct amdgpu_device *adev,
30825faeddcSEvan Quan 					    u64 *flags)
309a7e91bd7SHuang Rui {
310a7e91bd7SHuang Rui 	int data;
311a7e91bd7SHuang Rui 
312a7e91bd7SHuang Rui 	/* AMD_CG_SUPPORT_BIF_MGCG */
313a7e91bd7SHuang Rui 	data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL));
314a7e91bd7SHuang Rui 	if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
315a7e91bd7SHuang Rui 		*flags |= AMD_CG_SUPPORT_BIF_MGCG;
316a7e91bd7SHuang Rui 
317a7e91bd7SHuang Rui 	/* AMD_CG_SUPPORT_BIF_LS */
318a7e91bd7SHuang Rui 	data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2));
319a7e91bd7SHuang Rui 	if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
320a7e91bd7SHuang Rui 		*flags |= AMD_CG_SUPPORT_BIF_LS;
321a7e91bd7SHuang Rui }
322a7e91bd7SHuang Rui 
nbio_v7_2_get_hdp_flush_req_offset(struct amdgpu_device * adev)323a7e91bd7SHuang Rui static u32 nbio_v7_2_get_hdp_flush_req_offset(struct amdgpu_device *adev)
324a7e91bd7SHuang Rui {
325a7e91bd7SHuang Rui 	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
326a7e91bd7SHuang Rui }
327a7e91bd7SHuang Rui 
nbio_v7_2_get_hdp_flush_done_offset(struct amdgpu_device * adev)328a7e91bd7SHuang Rui static u32 nbio_v7_2_get_hdp_flush_done_offset(struct amdgpu_device *adev)
329a7e91bd7SHuang Rui {
330a7e91bd7SHuang Rui 	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
331a7e91bd7SHuang Rui }
332a7e91bd7SHuang Rui 
nbio_v7_2_get_pcie_index_offset(struct amdgpu_device * adev)333a7e91bd7SHuang Rui static u32 nbio_v7_2_get_pcie_index_offset(struct amdgpu_device *adev)
334a7e91bd7SHuang Rui {
335a7e91bd7SHuang Rui 	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2);
336a7e91bd7SHuang Rui }
337a7e91bd7SHuang Rui 
nbio_v7_2_get_pcie_data_offset(struct amdgpu_device * adev)338a7e91bd7SHuang Rui static u32 nbio_v7_2_get_pcie_data_offset(struct amdgpu_device *adev)
339a7e91bd7SHuang Rui {
340a7e91bd7SHuang Rui 	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2);
341a7e91bd7SHuang Rui }
342a7e91bd7SHuang Rui 
nbio_v7_2_get_pcie_port_index_offset(struct amdgpu_device * adev)343a7e91bd7SHuang Rui static u32 nbio_v7_2_get_pcie_port_index_offset(struct amdgpu_device *adev)
344a7e91bd7SHuang Rui {
345a7e91bd7SHuang Rui 	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX);
346a7e91bd7SHuang Rui }
347a7e91bd7SHuang Rui 
nbio_v7_2_get_pcie_port_data_offset(struct amdgpu_device * adev)348a7e91bd7SHuang Rui static u32 nbio_v7_2_get_pcie_port_data_offset(struct amdgpu_device *adev)
349a7e91bd7SHuang Rui {
350a7e91bd7SHuang Rui 	return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA);
351a7e91bd7SHuang Rui }
352a7e91bd7SHuang Rui 
353a7e91bd7SHuang Rui const struct nbio_hdp_flush_reg nbio_v7_2_hdp_flush_reg = {
354a7e91bd7SHuang Rui 	.ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
355a7e91bd7SHuang Rui 	.ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
356a7e91bd7SHuang Rui 	.ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
357a7e91bd7SHuang Rui 	.ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
358a7e91bd7SHuang Rui 	.ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
359a7e91bd7SHuang Rui 	.ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
360a7e91bd7SHuang Rui 	.ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
361a7e91bd7SHuang Rui 	.ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
362a7e91bd7SHuang Rui 	.ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
363a7e91bd7SHuang Rui 	.ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
364a7e91bd7SHuang Rui 	.ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
365a7e91bd7SHuang Rui 	.ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
366a7e91bd7SHuang Rui };
367a7e91bd7SHuang Rui 
nbio_v7_2_init_registers(struct amdgpu_device * adev)368a7e91bd7SHuang Rui static void nbio_v7_2_init_registers(struct amdgpu_device *adev)
369a7e91bd7SHuang Rui {
370a7e91bd7SHuang Rui 	uint32_t def, data;
3714e8303cfSLijo Lazar 	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
372d726d43cSTim Huang 	case IP_VERSION(7, 2, 1):
373935ad3a7SYifan Zhang 	case IP_VERSION(7, 3, 0):
374d726d43cSTim Huang 	case IP_VERSION(7, 5, 0):
375011b514fSAaron Liu 		def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3));
376011b514fSAaron Liu 		data = REG_SET_FIELD(data, BIF1_PCIE_MST_CTRL_3,
377011b514fSAaron Liu 			CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
378011b514fSAaron Liu 		data = REG_SET_FIELD(data, BIF1_PCIE_MST_CTRL_3,
379011b514fSAaron Liu 			CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
380a7e91bd7SHuang Rui 
381a7e91bd7SHuang Rui 		if (def != data)
382011b514fSAaron Liu 			WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3), data);
383d726d43cSTim Huang 		break;
384d726d43cSTim Huang 	default:
385011b514fSAaron Liu 		def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL));
386011b514fSAaron Liu 		data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL,
387011b514fSAaron Liu 			CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
388011b514fSAaron Liu 		data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL,
389011b514fSAaron Liu 			CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
390011b514fSAaron Liu 
391011b514fSAaron Liu 		if (def != data)
392011b514fSAaron Liu 			WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL), data);
393d726d43cSTim Huang 		break;
394011b514fSAaron Liu 	}
395e3993811SFelix Kuehling 
3964e8303cfSLijo Lazar 	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
3971717cc5fSMario Limonciello 	case IP_VERSION(7, 3, 0):
3981717cc5fSMario Limonciello 	case IP_VERSION(7, 5, 1):
3991717cc5fSMario Limonciello 		data = RREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2);
4001717cc5fSMario Limonciello 		data &= ~RCC_DEV2_EPF0_STRAP2__STRAP_NO_SOFT_RESET_DEV2_F0_MASK;
4011717cc5fSMario Limonciello 		WREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2, data);
4021717cc5fSMario Limonciello 		break;
4031717cc5fSMario Limonciello 	}
404a7e91bd7SHuang Rui }
405a7e91bd7SHuang Rui 
406*cacbbfbdSAlex Deucher #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
407*cacbbfbdSAlex Deucher 
nbio_v7_2_set_reg_remap(struct amdgpu_device * adev)408*cacbbfbdSAlex Deucher static void nbio_v7_2_set_reg_remap(struct amdgpu_device *adev)
409*cacbbfbdSAlex Deucher {
410*cacbbfbdSAlex Deucher 	if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) {
411*cacbbfbdSAlex Deucher 		adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
412*cacbbfbdSAlex Deucher 		adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
413*cacbbfbdSAlex Deucher 	} else {
414*cacbbfbdSAlex Deucher 		adev->rmmio_remap.reg_offset =
415*cacbbfbdSAlex Deucher 			SOC15_REG_OFFSET(NBIO, 0,
416*cacbbfbdSAlex Deucher 					 regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
417*cacbbfbdSAlex Deucher 		adev->rmmio_remap.bus_addr = 0;
418*cacbbfbdSAlex Deucher 	}
419*cacbbfbdSAlex Deucher }
420*cacbbfbdSAlex Deucher 
421a7e91bd7SHuang Rui const struct amdgpu_nbio_funcs nbio_v7_2_funcs = {
422a7e91bd7SHuang Rui 	.get_hdp_flush_req_offset = nbio_v7_2_get_hdp_flush_req_offset,
423a7e91bd7SHuang Rui 	.get_hdp_flush_done_offset = nbio_v7_2_get_hdp_flush_done_offset,
424a7e91bd7SHuang Rui 	.get_pcie_index_offset = nbio_v7_2_get_pcie_index_offset,
425a7e91bd7SHuang Rui 	.get_pcie_data_offset = nbio_v7_2_get_pcie_data_offset,
426a7e91bd7SHuang Rui 	.get_pcie_port_index_offset = nbio_v7_2_get_pcie_port_index_offset,
427a7e91bd7SHuang Rui 	.get_pcie_port_data_offset = nbio_v7_2_get_pcie_port_data_offset,
428a7e91bd7SHuang Rui 	.get_rev_id = nbio_v7_2_get_rev_id,
429a7e91bd7SHuang Rui 	.mc_access_enable = nbio_v7_2_mc_access_enable,
430a7e91bd7SHuang Rui 	.get_memsize = nbio_v7_2_get_memsize,
431a7e91bd7SHuang Rui 	.sdma_doorbell_range = nbio_v7_2_sdma_doorbell_range,
432a7e91bd7SHuang Rui 	.vcn_doorbell_range = nbio_v7_2_vcn_doorbell_range,
433a7e91bd7SHuang Rui 	.enable_doorbell_aperture = nbio_v7_2_enable_doorbell_aperture,
434a7e91bd7SHuang Rui 	.enable_doorbell_selfring_aperture = nbio_v7_2_enable_doorbell_selfring_aperture,
435a7e91bd7SHuang Rui 	.ih_doorbell_range = nbio_v7_2_ih_doorbell_range,
436a7e91bd7SHuang Rui 	.update_medium_grain_clock_gating = nbio_v7_2_update_medium_grain_clock_gating,
437a7e91bd7SHuang Rui 	.update_medium_grain_light_sleep = nbio_v7_2_update_medium_grain_light_sleep,
438a7e91bd7SHuang Rui 	.get_clockgating_state = nbio_v7_2_get_clockgating_state,
439a7e91bd7SHuang Rui 	.ih_control = nbio_v7_2_ih_control,
440a7e91bd7SHuang Rui 	.init_registers = nbio_v7_2_init_registers,
441a7e91bd7SHuang Rui 	.remap_hdp_registers = nbio_v7_2_remap_hdp_registers,
442*cacbbfbdSAlex Deucher 	.set_reg_remap = nbio_v7_2_set_reg_remap,
443a7e91bd7SHuang Rui };
444