1 /*
2  * Copyright 2018 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  */
23 
24 #include "smumgr.h"
25 #include "vega20_inc.h"
26 #include "soc15_common.h"
27 #include "vega20_smumgr.h"
28 #include "vega20_ppsmc.h"
29 #include "smu11_driver_if.h"
30 #include "ppatomctrl.h"
31 #include "pp_debug.h"
32 #include "smu_ucode_xfer_vi.h"
33 #include "smu7_smumgr.h"
34 #include "vega20_hwmgr.h"
35 
36 #include "smu_v11_0_i2c.h"
37 
38 /* MP Apertures */
39 #define MP0_Public			0x03800000
40 #define MP0_SRAM			0x03900000
41 #define MP1_Public			0x03b00000
42 #define MP1_SRAM			0x03c00004
43 
44 /* address block */
45 #define smnMP1_FIRMWARE_FLAGS		0x3010024
46 #define smnMP0_FW_INTF			0x30101c0
47 #define smnMP1_PUB_CTRL			0x3010b14
48 
vega20_is_smc_ram_running(struct pp_hwmgr * hwmgr)49 bool vega20_is_smc_ram_running(struct pp_hwmgr *hwmgr)
50 {
51 	struct amdgpu_device *adev = hwmgr->adev;
52 	uint32_t mp1_fw_flags;
53 
54 	mp1_fw_flags = RREG32_PCIE(MP1_Public |
55 				   (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
56 
57 	if ((mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
58 	    MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT)
59 		return true;
60 
61 	return false;
62 }
63 
64 /*
65  * Check if SMC has responded to previous message.
66  *
67  * @param    smumgr  the address of the powerplay hardware manager.
68  * @return   TRUE    SMC has responded, FALSE otherwise.
69  */
vega20_wait_for_response(struct pp_hwmgr * hwmgr)70 static uint32_t vega20_wait_for_response(struct pp_hwmgr *hwmgr)
71 {
72 	struct amdgpu_device *adev = hwmgr->adev;
73 	uint32_t reg;
74 
75 	reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90);
76 
77 	phm_wait_for_register_unequal(hwmgr, reg,
78 			0, MP1_C2PMSG_90__CONTENT_MASK);
79 
80 	return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
81 }
82 
83 /*
84  * Send a message to the SMC, and do not wait for its response.
85  * @param    smumgr  the address of the powerplay hardware manager.
86  * @param    msg the message to send.
87  * @return   Always return 0.
88  */
vega20_send_msg_to_smc_without_waiting(struct pp_hwmgr * hwmgr,uint16_t msg)89 static int vega20_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
90 		uint16_t msg)
91 {
92 	struct amdgpu_device *adev = hwmgr->adev;
93 
94 	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
95 
96 	return 0;
97 }
98 
99 /*
100  * Send a message to the SMC, and wait for its response.
101  * @param    hwmgr  the address of the powerplay hardware manager.
102  * @param    msg the message to send.
103  * @return   Always return 0.
104  */
vega20_send_msg_to_smc(struct pp_hwmgr * hwmgr,uint16_t msg)105 static int vega20_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
106 {
107 	struct amdgpu_device *adev = hwmgr->adev;
108 	int ret = 0;
109 
110 	vega20_wait_for_response(hwmgr);
111 
112 	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
113 
114 	vega20_send_msg_to_smc_without_waiting(hwmgr, msg);
115 
116 	ret = vega20_wait_for_response(hwmgr);
117 	if (ret != PPSMC_Result_OK)
118 		pr_err("Failed to send message 0x%x, response 0x%x\n", msg, ret);
119 
120 	return (ret == PPSMC_Result_OK) ? 0 : -EIO;
121 }
122 
123 /*
124  * Send a message to the SMC with parameter
125  * @param    hwmgr:  the address of the powerplay hardware manager.
126  * @param    msg: the message to send.
127  * @param    parameter: the parameter to send
128  * @return   Always return 0.
129  */
vega20_send_msg_to_smc_with_parameter(struct pp_hwmgr * hwmgr,uint16_t msg,uint32_t parameter)130 static int vega20_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
131 		uint16_t msg, uint32_t parameter)
132 {
133 	struct amdgpu_device *adev = hwmgr->adev;
134 	int ret = 0;
135 
136 	vega20_wait_for_response(hwmgr);
137 
138 	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
139 
140 	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, parameter);
141 
142 	vega20_send_msg_to_smc_without_waiting(hwmgr, msg);
143 
144 	ret = vega20_wait_for_response(hwmgr);
145 	if (ret != PPSMC_Result_OK)
146 		pr_err("Failed to send message 0x%x, response 0x%x\n", msg, ret);
147 
148 	return (ret == PPSMC_Result_OK) ? 0 : -EIO;
149 }
150 
vega20_get_argument(struct pp_hwmgr * hwmgr)151 static uint32_t vega20_get_argument(struct pp_hwmgr *hwmgr)
152 {
153 	struct amdgpu_device *adev = hwmgr->adev;
154 
155 	return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
156 }
157 
158 /*
159  * Copy table from SMC into driver FB
160  * @param   hwmgr    the address of the HW manager
161  * @param   table_id    the driver's table ID to copy from
162  */
vega20_copy_table_from_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)163 static int vega20_copy_table_from_smc(struct pp_hwmgr *hwmgr,
164 				      uint8_t *table, int16_t table_id)
165 {
166 	struct vega20_smumgr *priv =
167 			(struct vega20_smumgr *)(hwmgr->smu_backend);
168 	struct amdgpu_device *adev = hwmgr->adev;
169 	int ret = 0;
170 
171 	PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT,
172 			"Invalid SMU Table ID!", return -EINVAL);
173 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
174 			"Invalid SMU Table version!", return -EINVAL);
175 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
176 			"Invalid SMU Table Length!", return -EINVAL);
177 
178 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
179 			PPSMC_MSG_SetDriverDramAddrHigh,
180 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
181 			NULL)) == 0,
182 			"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!",
183 			return ret);
184 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
185 			PPSMC_MSG_SetDriverDramAddrLow,
186 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
187 			NULL)) == 0,
188 			"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
189 			return ret);
190 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
191 			PPSMC_MSG_TransferTableSmu2Dram, table_id, NULL)) == 0,
192 			"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
193 			return ret);
194 
195 	amdgpu_asic_invalidate_hdp(adev, NULL);
196 
197 	memcpy(table, priv->smu_tables.entry[table_id].table,
198 			priv->smu_tables.entry[table_id].size);
199 
200 	return 0;
201 }
202 
203 /*
204  * Copy table from Driver FB into SMC
205  * @param   hwmgr    the address of the HW manager
206  * @param   table_id    the table to copy from
207  */
vega20_copy_table_to_smc(struct pp_hwmgr * hwmgr,uint8_t * table,int16_t table_id)208 static int vega20_copy_table_to_smc(struct pp_hwmgr *hwmgr,
209 				    uint8_t *table, int16_t table_id)
210 {
211 	struct vega20_smumgr *priv =
212 			(struct vega20_smumgr *)(hwmgr->smu_backend);
213 	struct amdgpu_device *adev = hwmgr->adev;
214 	int ret = 0;
215 
216 	PP_ASSERT_WITH_CODE(table_id < TABLE_COUNT,
217 			"Invalid SMU Table ID!", return -EINVAL);
218 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
219 			"Invalid SMU Table version!", return -EINVAL);
220 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
221 			"Invalid SMU Table Length!", return -EINVAL);
222 
223 	memcpy(priv->smu_tables.entry[table_id].table, table,
224 			priv->smu_tables.entry[table_id].size);
225 
226 	amdgpu_asic_flush_hdp(adev, NULL);
227 
228 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
229 			PPSMC_MSG_SetDriverDramAddrHigh,
230 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
231 			NULL)) == 0,
232 			"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
233 			return ret);
234 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
235 			PPSMC_MSG_SetDriverDramAddrLow,
236 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
237 			NULL)) == 0,
238 			"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
239 			return ret);
240 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
241 			PPSMC_MSG_TransferTableDram2Smu, table_id, NULL)) == 0,
242 			"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
243 			return ret);
244 
245 	return 0;
246 }
247 
vega20_set_activity_monitor_coeff(struct pp_hwmgr * hwmgr,uint8_t * table,uint16_t workload_type)248 int vega20_set_activity_monitor_coeff(struct pp_hwmgr *hwmgr,
249 		uint8_t *table, uint16_t workload_type)
250 {
251 	struct vega20_smumgr *priv =
252 			(struct vega20_smumgr *)(hwmgr->smu_backend);
253 	struct amdgpu_device *adev = hwmgr->adev;
254 	int ret = 0;
255 
256 	memcpy(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].table, table,
257 			priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].size);
258 
259 	amdgpu_asic_flush_hdp(adev, NULL);
260 
261 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
262 			PPSMC_MSG_SetDriverDramAddrHigh,
263 			upper_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
264 			NULL)) == 0,
265 			"[SetActivityMonitor] Attempt to Set Dram Addr High Failed!",
266 			return ret);
267 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
268 			PPSMC_MSG_SetDriverDramAddrLow,
269 			lower_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
270 			NULL)) == 0,
271 			"[SetActivityMonitor] Attempt to Set Dram Addr Low Failed!",
272 			return ret);
273 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
274 			PPSMC_MSG_TransferTableDram2Smu,
275 			TABLE_ACTIVITY_MONITOR_COEFF | (workload_type << 16),
276 			NULL)) == 0,
277 			"[SetActivityMonitor] Attempt to Transfer Table To SMU Failed!",
278 			return ret);
279 
280 	return 0;
281 }
282 
vega20_get_activity_monitor_coeff(struct pp_hwmgr * hwmgr,uint8_t * table,uint16_t workload_type)283 int vega20_get_activity_monitor_coeff(struct pp_hwmgr *hwmgr,
284 		uint8_t *table, uint16_t workload_type)
285 {
286 	struct vega20_smumgr *priv =
287 			(struct vega20_smumgr *)(hwmgr->smu_backend);
288 	struct amdgpu_device *adev = hwmgr->adev;
289 	int ret = 0;
290 
291 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
292 			PPSMC_MSG_SetDriverDramAddrHigh,
293 			upper_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
294 			NULL)) == 0,
295 			"[GetActivityMonitor] Attempt to Set Dram Addr High Failed!",
296 			return ret);
297 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
298 			PPSMC_MSG_SetDriverDramAddrLow,
299 			lower_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
300 			NULL)) == 0,
301 			"[GetActivityMonitor] Attempt to Set Dram Addr Low Failed!",
302 			return ret);
303 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
304 			PPSMC_MSG_TransferTableSmu2Dram,
305 			TABLE_ACTIVITY_MONITOR_COEFF | (workload_type << 16), NULL)) == 0,
306 			"[GetActivityMonitor] Attempt to Transfer Table From SMU Failed!",
307 			return ret);
308 
309 	amdgpu_asic_invalidate_hdp(adev, NULL);
310 
311 	memcpy(table, priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].table,
312 			priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].size);
313 
314 	return 0;
315 }
316 
vega20_enable_smc_features(struct pp_hwmgr * hwmgr,bool enable,uint64_t feature_mask)317 int vega20_enable_smc_features(struct pp_hwmgr *hwmgr,
318 		bool enable, uint64_t feature_mask)
319 {
320 	uint32_t smu_features_low, smu_features_high;
321 	int ret = 0;
322 
323 	smu_features_low = (uint32_t)((feature_mask & SMU_FEATURES_LOW_MASK) >> SMU_FEATURES_LOW_SHIFT);
324 	smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT);
325 
326 	if (enable) {
327 		PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
328 				PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low, NULL)) == 0,
329 				"[EnableDisableSMCFeatures] Attempt to enable SMU features Low failed!",
330 				return ret);
331 		PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
332 				PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high, NULL)) == 0,
333 				"[EnableDisableSMCFeatures] Attempt to enable SMU features High failed!",
334 				return ret);
335 	} else {
336 		PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
337 				PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low, NULL)) == 0,
338 				"[EnableDisableSMCFeatures] Attempt to disable SMU features Low failed!",
339 				return ret);
340 		PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
341 				PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high, NULL)) == 0,
342 				"[EnableDisableSMCFeatures] Attempt to disable SMU features High failed!",
343 				return ret);
344 	}
345 
346 	return 0;
347 }
348 
vega20_get_enabled_smc_features(struct pp_hwmgr * hwmgr,uint64_t * features_enabled)349 int vega20_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
350 		uint64_t *features_enabled)
351 {
352 	uint32_t smc_features_low, smc_features_high;
353 	int ret = 0;
354 
355 	if (features_enabled == NULL)
356 		return -EINVAL;
357 
358 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
359 			PPSMC_MSG_GetEnabledSmuFeaturesLow,
360 			&smc_features_low)) == 0,
361 			"[GetEnabledSMCFeatures] Attempt to get SMU features Low failed!",
362 			return ret);
363 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
364 			PPSMC_MSG_GetEnabledSmuFeaturesHigh,
365 			&smc_features_high)) == 0,
366 			"[GetEnabledSMCFeatures] Attempt to get SMU features High failed!",
367 			return ret);
368 
369 	*features_enabled = ((((uint64_t)smc_features_low << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
370 			(((uint64_t)smc_features_high << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
371 
372 	return 0;
373 }
374 
vega20_set_tools_address(struct pp_hwmgr * hwmgr)375 static int vega20_set_tools_address(struct pp_hwmgr *hwmgr)
376 {
377 	struct vega20_smumgr *priv =
378 			(struct vega20_smumgr *)(hwmgr->smu_backend);
379 	int ret = 0;
380 
381 	if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) {
382 		ret = smum_send_msg_to_smc_with_parameter(hwmgr,
383 				PPSMC_MSG_SetToolsDramAddrHigh,
384 				upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
385 				NULL);
386 		if (!ret)
387 			ret = smum_send_msg_to_smc_with_parameter(hwmgr,
388 					PPSMC_MSG_SetToolsDramAddrLow,
389 					lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
390 					NULL);
391 	}
392 
393 	return ret;
394 }
395 
vega20_set_pptable_driver_address(struct pp_hwmgr * hwmgr)396 int vega20_set_pptable_driver_address(struct pp_hwmgr *hwmgr)
397 {
398 	struct vega20_smumgr *priv =
399 			(struct vega20_smumgr *)(hwmgr->smu_backend);
400 	int ret = 0;
401 
402 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
403 			PPSMC_MSG_SetDriverDramAddrHigh,
404 			upper_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr),
405 			NULL)) == 0,
406 			"[SetPPtabeDriverAddress] Attempt to Set Dram Addr High Failed!",
407 			return ret);
408 	PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
409 			PPSMC_MSG_SetDriverDramAddrLow,
410 			lower_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr),
411 			NULL)) == 0,
412 			"[SetPPtabeDriverAddress] Attempt to Set Dram Addr Low Failed!",
413 			return ret);
414 
415 	return ret;
416 }
417 
vega20_smu_init(struct pp_hwmgr * hwmgr)418 static int vega20_smu_init(struct pp_hwmgr *hwmgr)
419 {
420 	struct vega20_smumgr *priv;
421 	unsigned long tools_size = 0x19000;
422 	int ret = 0;
423 	struct amdgpu_device *adev = hwmgr->adev;
424 
425 	struct cgs_firmware_info info = {0};
426 
427 	ret = cgs_get_firmware_info(hwmgr->device,
428 				smu7_convert_fw_type_to_cgs(UCODE_ID_SMU),
429 				&info);
430 	if (ret || !info.kptr)
431 		return -EINVAL;
432 
433 	priv = kzalloc(sizeof(struct vega20_smumgr), GFP_KERNEL);
434 	if (!priv)
435 		return -ENOMEM;
436 
437 	hwmgr->smu_backend = priv;
438 
439 	/* allocate space for pptable */
440 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
441 			sizeof(PPTable_t),
442 			PAGE_SIZE,
443 			AMDGPU_GEM_DOMAIN_VRAM,
444 			&priv->smu_tables.entry[TABLE_PPTABLE].handle,
445 			&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
446 			&priv->smu_tables.entry[TABLE_PPTABLE].table);
447 	if (ret)
448 		goto free_backend;
449 
450 	priv->smu_tables.entry[TABLE_PPTABLE].version = 0x01;
451 	priv->smu_tables.entry[TABLE_PPTABLE].size = sizeof(PPTable_t);
452 
453 	/* allocate space for watermarks table */
454 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
455 			sizeof(Watermarks_t),
456 			PAGE_SIZE,
457 			AMDGPU_GEM_DOMAIN_VRAM,
458 			&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
459 			&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
460 			&priv->smu_tables.entry[TABLE_WATERMARKS].table);
461 	if (ret)
462 		goto err0;
463 
464 	priv->smu_tables.entry[TABLE_WATERMARKS].version = 0x01;
465 	priv->smu_tables.entry[TABLE_WATERMARKS].size = sizeof(Watermarks_t);
466 
467 	/* allocate space for pmstatuslog table */
468 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
469 			tools_size,
470 			PAGE_SIZE,
471 			AMDGPU_GEM_DOMAIN_VRAM,
472 			&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
473 			&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
474 			&priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
475 	if (ret)
476 		goto err1;
477 
478 	priv->smu_tables.entry[TABLE_PMSTATUSLOG].version = 0x01;
479 	priv->smu_tables.entry[TABLE_PMSTATUSLOG].size = tools_size;
480 
481 	/* allocate space for OverDrive table */
482 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
483 			sizeof(OverDriveTable_t),
484 			PAGE_SIZE,
485 			AMDGPU_GEM_DOMAIN_VRAM,
486 			&priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
487 			&priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
488 			&priv->smu_tables.entry[TABLE_OVERDRIVE].table);
489 	if (ret)
490 		goto err2;
491 
492 	priv->smu_tables.entry[TABLE_OVERDRIVE].version = 0x01;
493 	priv->smu_tables.entry[TABLE_OVERDRIVE].size = sizeof(OverDriveTable_t);
494 
495 	/* allocate space for SmuMetrics table */
496 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
497 			sizeof(SmuMetrics_t),
498 			PAGE_SIZE,
499 			AMDGPU_GEM_DOMAIN_VRAM,
500 			&priv->smu_tables.entry[TABLE_SMU_METRICS].handle,
501 			&priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr,
502 			&priv->smu_tables.entry[TABLE_SMU_METRICS].table);
503 	if (ret)
504 		goto err3;
505 
506 	priv->smu_tables.entry[TABLE_SMU_METRICS].version = 0x01;
507 	priv->smu_tables.entry[TABLE_SMU_METRICS].size = sizeof(SmuMetrics_t);
508 
509 	/* allocate space for ActivityMonitor table */
510 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
511 			sizeof(DpmActivityMonitorCoeffInt_t),
512 			PAGE_SIZE,
513 			AMDGPU_GEM_DOMAIN_VRAM,
514 			&priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].handle,
515 			&priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr,
516 			&priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].table);
517 	if (ret)
518 		goto err4;
519 
520 	priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].version = 0x01;
521 	priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].size = sizeof(DpmActivityMonitorCoeffInt_t);
522 
523 	ret = smu_v11_0_i2c_control_init(&adev->pm.smu_i2c);
524 	if (ret)
525 		goto err4;
526 
527 	return 0;
528 
529 err4:
530 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_SMU_METRICS].handle,
531 			&priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr,
532 			&priv->smu_tables.entry[TABLE_SMU_METRICS].table);
533 err3:
534 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
535 			&priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
536 			&priv->smu_tables.entry[TABLE_OVERDRIVE].table);
537 err2:
538 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
539 			&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
540 			&priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
541 err1:
542 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
543 			&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
544 			&priv->smu_tables.entry[TABLE_WATERMARKS].table);
545 err0:
546 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
547 			&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
548 			&priv->smu_tables.entry[TABLE_PPTABLE].table);
549 free_backend:
550 	kfree(hwmgr->smu_backend);
551 
552 	return -EINVAL;
553 }
554 
vega20_smu_fini(struct pp_hwmgr * hwmgr)555 static int vega20_smu_fini(struct pp_hwmgr *hwmgr)
556 {
557 	struct vega20_smumgr *priv =
558 			(struct vega20_smumgr *)(hwmgr->smu_backend);
559 	struct amdgpu_device *adev = hwmgr->adev;
560 
561 	smu_v11_0_i2c_control_fini(&adev->pm.smu_i2c);
562 
563 	if (priv) {
564 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PPTABLE].handle,
565 				&priv->smu_tables.entry[TABLE_PPTABLE].mc_addr,
566 				&priv->smu_tables.entry[TABLE_PPTABLE].table);
567 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_WATERMARKS].handle,
568 				&priv->smu_tables.entry[TABLE_WATERMARKS].mc_addr,
569 				&priv->smu_tables.entry[TABLE_WATERMARKS].table);
570 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_PMSTATUSLOG].handle,
571 				&priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr,
572 				&priv->smu_tables.entry[TABLE_PMSTATUSLOG].table);
573 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_OVERDRIVE].handle,
574 				&priv->smu_tables.entry[TABLE_OVERDRIVE].mc_addr,
575 				&priv->smu_tables.entry[TABLE_OVERDRIVE].table);
576 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_SMU_METRICS].handle,
577 				&priv->smu_tables.entry[TABLE_SMU_METRICS].mc_addr,
578 				&priv->smu_tables.entry[TABLE_SMU_METRICS].table);
579 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].handle,
580 				&priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr,
581 				&priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].table);
582 		kfree(hwmgr->smu_backend);
583 		hwmgr->smu_backend = NULL;
584 	}
585 
586 	return 0;
587 }
588 
vega20_start_smu(struct pp_hwmgr * hwmgr)589 static int vega20_start_smu(struct pp_hwmgr *hwmgr)
590 {
591 	int ret;
592 
593 	ret = vega20_is_smc_ram_running(hwmgr);
594 	PP_ASSERT_WITH_CODE(ret,
595 			"[Vega20StartSmu] SMC is not running!",
596 			return -EINVAL);
597 
598 	ret = vega20_set_tools_address(hwmgr);
599 	PP_ASSERT_WITH_CODE(!ret,
600 			"[Vega20StartSmu] Failed to set tools address!",
601 			return ret);
602 
603 	return 0;
604 }
605 
vega20_is_dpm_running(struct pp_hwmgr * hwmgr)606 static bool vega20_is_dpm_running(struct pp_hwmgr *hwmgr)
607 {
608 	uint64_t features_enabled = 0;
609 
610 	vega20_get_enabled_smc_features(hwmgr, &features_enabled);
611 
612 	if (features_enabled & SMC_DPM_FEATURES)
613 		return true;
614 	else
615 		return false;
616 }
617 
vega20_smc_table_manager(struct pp_hwmgr * hwmgr,uint8_t * table,uint16_t table_id,bool rw)618 static int vega20_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table,
619 				    uint16_t table_id, bool rw)
620 {
621 	int ret;
622 
623 	if (rw)
624 		ret = vega20_copy_table_from_smc(hwmgr, table, table_id);
625 	else
626 		ret = vega20_copy_table_to_smc(hwmgr, table, table_id);
627 
628 	return ret;
629 }
630 
631 const struct pp_smumgr_func vega20_smu_funcs = {
632 	.name = "vega20_smu",
633 	.smu_init = &vega20_smu_init,
634 	.smu_fini = &vega20_smu_fini,
635 	.start_smu = &vega20_start_smu,
636 	.request_smu_load_specific_fw = NULL,
637 	.send_msg_to_smc = &vega20_send_msg_to_smc,
638 	.send_msg_to_smc_with_parameter = &vega20_send_msg_to_smc_with_parameter,
639 	.download_pptable_settings = NULL,
640 	.upload_pptable_settings = NULL,
641 	.is_dpm_running = vega20_is_dpm_running,
642 	.get_argument = vega20_get_argument,
643 	.smc_table_manager = vega20_smc_table_manager,
644 };
645