Merge tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git...
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / amd / amdgpu / mxgpu_vi.c
1 /*
2  * Copyright 2017 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Xiangliang.Yu@amd.com
23  */
24
25 #include "amdgpu.h"
26 #include "vi.h"
27 #include "bif/bif_5_0_d.h"
28 #include "bif/bif_5_0_sh_mask.h"
29 #include "vid.h"
30 #include "gca/gfx_8_0_d.h"
31 #include "gca/gfx_8_0_sh_mask.h"
32 #include "gmc_v8_0.h"
33 #include "gfx_v8_0.h"
34 #include "sdma_v3_0.h"
35 #include "tonga_ih.h"
36 #include "gmc/gmc_8_2_d.h"
37 #include "gmc/gmc_8_2_sh_mask.h"
38 #include "oss/oss_3_0_d.h"
39 #include "oss/oss_3_0_sh_mask.h"
40 #include "dce/dce_10_0_d.h"
41 #include "dce/dce_10_0_sh_mask.h"
42 #include "smu/smu_7_1_3_d.h"
43 #include "mxgpu_vi.h"
44
45 /* VI golden setting */
46 static const u32 xgpu_fiji_mgcg_cgcg_init[] = {
47         mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff,
48         mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
49         mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
50         mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100,
51         mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100,
52         mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100,
53         mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100,
54         mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
55         mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100,
56         mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100,
57         mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100,
58         mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100,
59         mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100,
60         mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100,
61         mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100,
62         mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100,
63         mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100,
64         mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100,
65         mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100,
66         mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100,
67         mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100,
68         mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100,
69         mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100,
70         mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100,
71         mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100,
72         mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100,
73         mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100,
74         mmTA_CGTT_CTRL, 0xffffffff, 0x00000100,
75         mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
76         mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
77         mmTD_CGTT_CTRL, 0xffffffff, 0x00000100,
78         mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
79         mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200,
80         mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100,
81         mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c,
82         mmPCIE_INDEX, 0xffffffff, 0x0140001c,
83         mmPCIE_DATA, 0x000f0000, 0x00000000,
84         mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
85         mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
86         mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
87         mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
88         mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104,
89         mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
90         mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
91         mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001,
92         mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100,
93         mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100,
94 };
95
96 static const u32 xgpu_fiji_golden_settings_a10[] = {
97         mmCB_HW_CONTROL_3, 0x000001ff, 0x00000040,
98         mmDB_DEBUG2, 0xf00fffff, 0x00000400,
99         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
100         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
101         mmFBC_MISC, 0x1f311fff, 0x12300000,
102         mmHDMI_CONTROL, 0x31000111, 0x00000011,
103         mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
104         mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
105         mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
106         mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
107         mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
108         mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
109         mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
110         mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
111         mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
112         mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
113         mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
114         mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
115         mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
116         mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000ff,
117         mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
118         mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
119         mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
120         mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
121         mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
122 };
123
124 static const u32 xgpu_fiji_golden_common_all[] = {
125         mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
126         mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x3a00161a,
127         mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002e,
128         mmGB_ADDR_CONFIG, 0xffffffff, 0x22011003,
129         mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800,
130         mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800,
131         mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
132         mmSPI_RESOURCE_RESERVE_EN_CU_1, 0xffffffff, 0x00007FAF,
133         mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
134         mmSPI_CONFIG_CNTL_1, 0x0000000f, 0x00000009,
135 };
136
137 static const u32 xgpu_tonga_mgcg_cgcg_init[] = {
138         mmRLC_CGTT_MGCG_OVERRIDE,   0xffffffff, 0xffffffff,
139         mmGRBM_GFX_INDEX,           0xffffffff, 0xe0000000,
140         mmCB_CGTT_SCLK_CTRL,        0xffffffff, 0x00000100,
141         mmCGTT_BCI_CLK_CTRL,        0xffffffff, 0x00000100,
142         mmCGTT_CP_CLK_CTRL,         0xffffffff, 0x00000100,
143         mmCGTT_CPC_CLK_CTRL,        0xffffffff, 0x00000100,
144         mmCGTT_CPF_CLK_CTRL,        0xffffffff, 0x40000100,
145         mmCGTT_DRM_CLK_CTRL0,       0xffffffff, 0x00600100,
146         mmCGTT_GDS_CLK_CTRL,        0xffffffff, 0x00000100,
147         mmCGTT_IA_CLK_CTRL,         0xffffffff, 0x06000100,
148         mmCGTT_PA_CLK_CTRL,         0xffffffff, 0x00000100,
149         mmCGTT_WD_CLK_CTRL,         0xffffffff, 0x06000100,
150         mmCGTT_PC_CLK_CTRL,         0xffffffff, 0x00000100,
151         mmCGTT_RLC_CLK_CTRL,        0xffffffff, 0x00000100,
152         mmCGTT_SC_CLK_CTRL,         0xffffffff, 0x00000100,
153         mmCGTT_SPI_CLK_CTRL,        0xffffffff, 0x00000100,
154         mmCGTT_SQ_CLK_CTRL,         0xffffffff, 0x00000100,
155         mmCGTT_SQG_CLK_CTRL,        0xffffffff, 0x00000100,
156         mmCGTT_SX_CLK_CTRL0,        0xffffffff, 0x00000100,
157         mmCGTT_SX_CLK_CTRL1,        0xffffffff, 0x00000100,
158         mmCGTT_SX_CLK_CTRL2,        0xffffffff, 0x00000100,
159         mmCGTT_SX_CLK_CTRL3,        0xffffffff, 0x00000100,
160         mmCGTT_SX_CLK_CTRL4,        0xffffffff, 0x00000100,
161         mmCGTT_TCI_CLK_CTRL,        0xffffffff, 0x00000100,
162         mmCGTT_TCP_CLK_CTRL,        0xffffffff, 0x00000100,
163         mmCGTT_VGT_CLK_CTRL,        0xffffffff, 0x06000100,
164         mmDB_CGTT_CLK_CTRL_0,       0xffffffff, 0x00000100,
165         mmTA_CGTT_CTRL,             0xffffffff, 0x00000100,
166         mmTCA_CGTT_SCLK_CTRL,       0xffffffff, 0x00000100,
167         mmTCC_CGTT_SCLK_CTRL,       0xffffffff, 0x00000100,
168         mmTD_CGTT_CTRL,             0xffffffff, 0x00000100,
169         mmGRBM_GFX_INDEX,           0xffffffff, 0xe0000000,
170         mmCGTS_CU0_SP0_CTRL_REG,    0xffffffff, 0x00010000,
171         mmCGTS_CU0_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
172         mmCGTS_CU0_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
173         mmCGTS_CU0_SP1_CTRL_REG,    0xffffffff, 0x00060005,
174         mmCGTS_CU0_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
175         mmCGTS_CU1_SP0_CTRL_REG,    0xffffffff, 0x00010000,
176         mmCGTS_CU1_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
177         mmCGTS_CU1_TA_CTRL_REG,     0xffffffff, 0x00040007,
178         mmCGTS_CU1_SP1_CTRL_REG,    0xffffffff, 0x00060005,
179         mmCGTS_CU1_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
180         mmCGTS_CU2_SP0_CTRL_REG,    0xffffffff, 0x00010000,
181         mmCGTS_CU2_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
182         mmCGTS_CU2_TA_CTRL_REG,     0xffffffff, 0x00040007,
183         mmCGTS_CU2_SP1_CTRL_REG,    0xffffffff, 0x00060005,
184         mmCGTS_CU2_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
185         mmCGTS_CU3_SP0_CTRL_REG,    0xffffffff, 0x00010000,
186         mmCGTS_CU3_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
187         mmCGTS_CU3_TA_CTRL_REG,     0xffffffff, 0x00040007,
188         mmCGTS_CU3_SP1_CTRL_REG,    0xffffffff, 0x00060005,
189         mmCGTS_CU3_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
190         mmCGTS_CU4_SP0_CTRL_REG,    0xffffffff, 0x00010000,
191         mmCGTS_CU4_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
192         mmCGTS_CU4_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
193         mmCGTS_CU4_SP1_CTRL_REG,    0xffffffff, 0x00060005,
194         mmCGTS_CU4_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
195         mmCGTS_CU5_SP0_CTRL_REG,    0xffffffff, 0x00010000,
196         mmCGTS_CU5_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
197         mmCGTS_CU5_TA_CTRL_REG,     0xffffffff, 0x00040007,
198         mmCGTS_CU5_SP1_CTRL_REG,    0xffffffff, 0x00060005,
199         mmCGTS_CU5_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
200         mmCGTS_CU6_SP0_CTRL_REG,    0xffffffff, 0x00010000,
201         mmCGTS_CU6_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
202         mmCGTS_CU6_TA_CTRL_REG,     0xffffffff, 0x00040007,
203         mmCGTS_CU6_SP1_CTRL_REG,    0xffffffff, 0x00060005,
204         mmCGTS_CU6_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
205         mmCGTS_CU7_SP0_CTRL_REG,    0xffffffff, 0x00010000,
206         mmCGTS_CU7_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
207         mmCGTS_CU7_TA_CTRL_REG,     0xffffffff, 0x00040007,
208         mmCGTS_CU7_SP1_CTRL_REG,    0xffffffff, 0x00060005,
209         mmCGTS_CU7_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
210         mmCGTS_SM_CTRL_REG,         0xffffffff, 0x96e00200,
211         mmCP_RB_WPTR_POLL_CNTL,     0xffffffff, 0x00900100,
212         mmRLC_CGCG_CGLS_CTRL,       0xffffffff, 0x0020003c,
213         mmPCIE_INDEX,               0xffffffff, 0x0140001c,
214         mmPCIE_DATA,                0x000f0000, 0x00000000,
215         mmSMC_IND_INDEX_4,          0xffffffff, 0xC060000C,
216         mmSMC_IND_DATA_4,           0xc0000fff, 0x00000100,
217         mmXDMA_CLOCK_GATING_CNTL,   0xffffffff, 0x00000100,
218         mmXDMA_MEM_POWER_CNTL,      0x00000101, 0x00000000,
219         mmMC_MEM_POWER_LS,          0xffffffff, 0x00000104,
220         mmCGTT_DRM_CLK_CTRL0,       0xff000fff, 0x00000100,
221         mmHDP_XDP_CGTT_BLK_CTRL,    0xc0000fff, 0x00000104,
222         mmCP_MEM_SLP_CNTL,          0x00000001, 0x00000001,
223         mmSDMA0_CLK_CTRL,           0xff000ff0, 0x00000100,
224         mmSDMA1_CLK_CTRL,           0xff000ff0, 0x00000100,
225 };
226
227 static const u32 xgpu_tonga_golden_settings_a11[] = {
228         mmCB_HW_CONTROL, 0xfffdf3cf, 0x00007208,
229         mmCB_HW_CONTROL_3, 0x00000040, 0x00000040,
230         mmDB_DEBUG2, 0xf00fffff, 0x00000400,
231         mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
232         mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
233         mmFBC_MISC, 0x1f311fff, 0x12300000,
234         mmGB_GPU_ID, 0x0000000f, 0x00000000,
235         mmHDMI_CONTROL, 0x31000111, 0x00000011,
236         mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
237         mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
238         mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
239         mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
240         mmPA_SC_FIFO_DEPTH_CNTL, 0x000003ff, 0x000000fc,
241         mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
242         mmRLC_CGCG_CGLS_CTRL, 0x00000003, 0x0000003c,
243         mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
244         mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000,
245         mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
246         mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
247         mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
248         mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
249         mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000,
250         mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
251         mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
252         mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
253         mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
254         mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
255         mmTCC_CTRL, 0x00100000, 0xf31fff7f,
256         mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
257         mmTCP_ADDR_CONFIG, 0x000003ff, 0x000002fb,
258         mmTCP_CHAN_STEER_HI, 0xffffffff, 0x0000543b,
259         mmTCP_CHAN_STEER_LO, 0xffffffff, 0xa9210876,
260         mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
261         mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
262         mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
263         mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
264         mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
265 };
266
267 static const u32 xgpu_tonga_golden_common_all[] = {
268         mmGRBM_GFX_INDEX,               0xffffffff, 0xe0000000,
269         mmPA_SC_RASTER_CONFIG,          0xffffffff, 0x16000012,
270         mmPA_SC_RASTER_CONFIG_1,        0xffffffff, 0x0000002A,
271         mmGB_ADDR_CONFIG,               0xffffffff, 0x22011002,
272         mmSPI_RESOURCE_RESERVE_CU_0,    0xffffffff, 0x00000800,
273         mmSPI_RESOURCE_RESERVE_CU_1,    0xffffffff, 0x00000800,
274         mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
275 };
276
277 void xgpu_vi_init_golden_registers(struct amdgpu_device *adev)
278 {
279         switch (adev->asic_type) {
280         case CHIP_FIJI:
281                 amdgpu_device_program_register_sequence(adev,
282                                                         xgpu_fiji_mgcg_cgcg_init,
283                                                         ARRAY_SIZE(
284                                                                 xgpu_fiji_mgcg_cgcg_init));
285                 amdgpu_device_program_register_sequence(adev,
286                                                         xgpu_fiji_golden_settings_a10,
287                                                         ARRAY_SIZE(
288                                                                 xgpu_fiji_golden_settings_a10));
289                 amdgpu_device_program_register_sequence(adev,
290                                                         xgpu_fiji_golden_common_all,
291                                                         ARRAY_SIZE(
292                                                                 xgpu_fiji_golden_common_all));
293                 break;
294         case CHIP_TONGA:
295                 amdgpu_device_program_register_sequence(adev,
296                                                         xgpu_tonga_mgcg_cgcg_init,
297                                                         ARRAY_SIZE(
298                                                                 xgpu_tonga_mgcg_cgcg_init));
299                 amdgpu_device_program_register_sequence(adev,
300                                                         xgpu_tonga_golden_settings_a11,
301                                                         ARRAY_SIZE(
302                                                                 xgpu_tonga_golden_settings_a11));
303                 amdgpu_device_program_register_sequence(adev,
304                                                         xgpu_tonga_golden_common_all,
305                                                         ARRAY_SIZE(
306                                                                 xgpu_tonga_golden_common_all));
307                 break;
308         default:
309                 BUG_ON("Doesn't support chip type.\n");
310                 break;
311         }
312 }
313
314 /*
315  * Mailbox communication between GPU hypervisor and VFs
316  */
317 static void xgpu_vi_mailbox_send_ack(struct amdgpu_device *adev)
318 {
319         u32 reg;
320         int timeout = VI_MAILBOX_TIMEDOUT;
321         u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID);
322
323         reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
324         reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, RCV_MSG_ACK, 1);
325         WREG32_NO_KIQ(mmMAILBOX_CONTROL, reg);
326
327         /*Wait for RCV_MSG_VALID to be 0*/
328         reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
329         while (reg & mask) {
330                 if (timeout <= 0) {
331                         pr_err("RCV_MSG_VALID is not cleared\n");
332                         break;
333                 }
334                 mdelay(1);
335                 timeout -=1;
336
337                 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
338         }
339 }
340
341 static void xgpu_vi_mailbox_set_valid(struct amdgpu_device *adev, bool val)
342 {
343         u32 reg;
344
345         reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
346         reg = REG_SET_FIELD(reg, MAILBOX_CONTROL,
347                             TRN_MSG_VALID, val ? 1 : 0);
348         WREG32_NO_KIQ(mmMAILBOX_CONTROL, reg);
349 }
350
351 static void xgpu_vi_mailbox_trans_msg(struct amdgpu_device *adev,
352                                       enum idh_request req)
353 {
354         u32 reg;
355
356         reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0);
357         reg = REG_SET_FIELD(reg, MAILBOX_MSGBUF_TRN_DW0,
358                             MSGBUF_DATA, req);
359         WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0, reg);
360
361         xgpu_vi_mailbox_set_valid(adev, true);
362 }
363
364 static int xgpu_vi_mailbox_rcv_msg(struct amdgpu_device *adev,
365                                    enum idh_event event)
366 {
367         u32 reg;
368         u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID);
369
370         /* workaround: host driver doesn't set VALID for CMPL now */
371         if (event != IDH_FLR_NOTIFICATION_CMPL) {
372                 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
373                 if (!(reg & mask))
374                         return -ENOENT;
375         }
376
377         reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
378         if (reg != event)
379                 return -ENOENT;
380
381         /* send ack to PF */
382         xgpu_vi_mailbox_send_ack(adev);
383
384         return 0;
385 }
386
387 static int xgpu_vi_poll_ack(struct amdgpu_device *adev)
388 {
389         int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
390         u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, TRN_MSG_ACK);
391         u32 reg;
392
393         reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
394         while (!(reg & mask)) {
395                 if (timeout <= 0) {
396                         pr_err("Doesn't get ack from pf.\n");
397                         r = -ETIME;
398                         break;
399                 }
400                 mdelay(5);
401                 timeout -= 5;
402
403                 reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
404         }
405
406         return r;
407 }
408
409 static int xgpu_vi_poll_msg(struct amdgpu_device *adev, enum idh_event event)
410 {
411         int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
412
413         r = xgpu_vi_mailbox_rcv_msg(adev, event);
414         while (r) {
415                 if (timeout <= 0) {
416                         pr_err("Doesn't get ack from pf.\n");
417                         r = -ETIME;
418                         break;
419                 }
420                 mdelay(5);
421                 timeout -= 5;
422
423                 r = xgpu_vi_mailbox_rcv_msg(adev, event);
424         }
425
426         return r;
427 }
428
429 static int xgpu_vi_send_access_requests(struct amdgpu_device *adev,
430                                         enum idh_request request)
431 {
432         int r;
433
434         xgpu_vi_mailbox_trans_msg(adev, request);
435
436         /* start to poll ack */
437         r = xgpu_vi_poll_ack(adev);
438         if (r)
439                 return r;
440
441         xgpu_vi_mailbox_set_valid(adev, false);
442
443         /* start to check msg if request is idh_req_gpu_init_access */
444         if (request == IDH_REQ_GPU_INIT_ACCESS ||
445                 request == IDH_REQ_GPU_FINI_ACCESS ||
446                 request == IDH_REQ_GPU_RESET_ACCESS) {
447                 r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
448                 if (r) {
449                         pr_err("Doesn't get ack from pf, give up\n");
450                         return r;
451                 }
452         }
453
454         return 0;
455 }
456
457 static int xgpu_vi_request_reset(struct amdgpu_device *adev)
458 {
459         return xgpu_vi_send_access_requests(adev, IDH_REQ_GPU_RESET_ACCESS);
460 }
461
462 static int xgpu_vi_wait_reset_cmpl(struct amdgpu_device *adev)
463 {
464         return xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL);
465 }
466
467 static int xgpu_vi_request_full_gpu_access(struct amdgpu_device *adev,
468                                            bool init)
469 {
470         enum idh_request req;
471
472         req = init ? IDH_REQ_GPU_INIT_ACCESS : IDH_REQ_GPU_FINI_ACCESS;
473         return xgpu_vi_send_access_requests(adev, req);
474 }
475
476 static int xgpu_vi_release_full_gpu_access(struct amdgpu_device *adev,
477                                            bool init)
478 {
479         enum idh_request req;
480         int r = 0;
481
482         req = init ? IDH_REL_GPU_INIT_ACCESS : IDH_REL_GPU_FINI_ACCESS;
483         r = xgpu_vi_send_access_requests(adev, req);
484
485         return r;
486 }
487
488 /* add support mailbox interrupts */
489 static int xgpu_vi_mailbox_ack_irq(struct amdgpu_device *adev,
490                                    struct amdgpu_irq_src *source,
491                                    struct amdgpu_iv_entry *entry)
492 {
493         DRM_DEBUG("get ack intr and do nothing.\n");
494         return 0;
495 }
496
497 static int xgpu_vi_set_mailbox_ack_irq(struct amdgpu_device *adev,
498                                        struct amdgpu_irq_src *src,
499                                        unsigned type,
500                                        enum amdgpu_interrupt_state state)
501 {
502         u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
503
504         tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN,
505                             (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
506         WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
507
508         return 0;
509 }
510
511 static void xgpu_vi_mailbox_flr_work(struct work_struct *work)
512 {
513         struct amdgpu_virt *virt = container_of(work, struct amdgpu_virt, flr_work);
514         struct amdgpu_device *adev = container_of(virt, struct amdgpu_device, virt);
515
516         /* wait until RCV_MSG become 3 */
517         if (xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL)) {
518                 pr_err("failed to receive FLR_CMPL\n");
519                 return;
520         }
521
522         /* Trigger recovery due to world switch failure */
523         if (amdgpu_device_should_recover_gpu(adev))
524                 amdgpu_device_gpu_recover(adev, NULL);
525 }
526
527 static int xgpu_vi_set_mailbox_rcv_irq(struct amdgpu_device *adev,
528                                        struct amdgpu_irq_src *src,
529                                        unsigned type,
530                                        enum amdgpu_interrupt_state state)
531 {
532         u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
533
534         tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, VALID_INT_EN,
535                             (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
536         WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
537
538         return 0;
539 }
540
541 static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev,
542                                    struct amdgpu_irq_src *source,
543                                    struct amdgpu_iv_entry *entry)
544 {
545         int r;
546
547         /* trigger gpu-reset by hypervisor only if TDR disbaled */
548         if (!amdgpu_gpu_recovery) {
549                 /* see what event we get */
550                 r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION);
551
552                 /* only handle FLR_NOTIFY now */
553                 if (!r)
554                         schedule_work(&adev->virt.flr_work);
555         }
556
557         return 0;
558 }
559
560 static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_ack_irq_funcs = {
561         .set = xgpu_vi_set_mailbox_ack_irq,
562         .process = xgpu_vi_mailbox_ack_irq,
563 };
564
565 static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_rcv_irq_funcs = {
566         .set = xgpu_vi_set_mailbox_rcv_irq,
567         .process = xgpu_vi_mailbox_rcv_irq,
568 };
569
570 void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev)
571 {
572         adev->virt.ack_irq.num_types = 1;
573         adev->virt.ack_irq.funcs = &xgpu_vi_mailbox_ack_irq_funcs;
574         adev->virt.rcv_irq.num_types = 1;
575         adev->virt.rcv_irq.funcs = &xgpu_vi_mailbox_rcv_irq_funcs;
576 }
577
578 int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev)
579 {
580         int r;
581
582         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 135, &adev->virt.rcv_irq);
583         if (r)
584                 return r;
585
586         r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 138, &adev->virt.ack_irq);
587         if (r) {
588                 amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
589                 return r;
590         }
591
592         return 0;
593 }
594
595 int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev)
596 {
597         int r;
598
599         r = amdgpu_irq_get(adev, &adev->virt.rcv_irq, 0);
600         if (r)
601                 return r;
602         r = amdgpu_irq_get(adev, &adev->virt.ack_irq, 0);
603         if (r) {
604                 amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
605                 return r;
606         }
607
608         INIT_WORK(&adev->virt.flr_work, xgpu_vi_mailbox_flr_work);
609
610         return 0;
611 }
612
613 void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev)
614 {
615         amdgpu_irq_put(adev, &adev->virt.ack_irq, 0);
616         amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
617 }
618
619 const struct amdgpu_virt_ops xgpu_vi_virt_ops = {
620         .req_full_gpu           = xgpu_vi_request_full_gpu_access,
621         .rel_full_gpu           = xgpu_vi_release_full_gpu_access,
622         .reset_gpu              = xgpu_vi_request_reset,
623         .wait_reset             = xgpu_vi_wait_reset_cmpl,
624         .trans_msg              = NULL, /* Does not need to trans VF errors to host. */
625 };