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 */
46static 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
96static 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
124static 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
137static 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
227static 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
267static 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
277void 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 */
317static 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
341static 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
351static 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
364static 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
387static 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
409static 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
429static 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
457static 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
462static int xgpu_vi_wait_reset_cmpl(struct amdgpu_device *adev)
463{
464 return xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL);
465}
466
467static 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
476static 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 */
489static 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
497static 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
511static 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 recieve 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
527static 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
541static 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
560static 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
565static 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
570void 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
578int 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
595int 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
613void 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
619const 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};
626