Home | History | Annotate | Line # | Download | only in smumgr
      1 /*	$NetBSD: amdgpu_vega10_smumgr.c,v 1.2 2021/12/18 23:45:27 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2016 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 
     26 #include <sys/cdefs.h>
     27 __KERNEL_RCSID(0, "$NetBSD: amdgpu_vega10_smumgr.c,v 1.2 2021/12/18 23:45:27 riastradh Exp $");
     28 
     29 #include <linux/pci.h>
     30 
     31 #include "smumgr.h"
     32 #include "vega10_inc.h"
     33 #include "soc15_common.h"
     34 #include "vega10_smumgr.h"
     35 #include "vega10_hwmgr.h"
     36 #include "vega10_ppsmc.h"
     37 #include "smu9_driver_if.h"
     38 #include "smu9_smumgr.h"
     39 #include "ppatomctrl.h"
     40 #include "pp_debug.h"
     41 
     42 
     43 static int vega10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
     44 		uint8_t *table, int16_t table_id)
     45 {
     46 	struct vega10_smumgr *priv = hwmgr->smu_backend;
     47 	struct amdgpu_device *adev = hwmgr->adev;
     48 
     49 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
     50 			"Invalid SMU Table ID!", return -EINVAL);
     51 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
     52 			"Invalid SMU Table version!", return -EINVAL);
     53 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
     54 			"Invalid SMU Table Length!", return -EINVAL);
     55 	smu9_send_msg_to_smc_with_parameter(hwmgr,
     56 			PPSMC_MSG_SetDriverDramAddrHigh,
     57 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
     58 	smu9_send_msg_to_smc_with_parameter(hwmgr,
     59 			PPSMC_MSG_SetDriverDramAddrLow,
     60 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
     61 	smu9_send_msg_to_smc_with_parameter(hwmgr,
     62 			PPSMC_MSG_TransferTableSmu2Dram,
     63 			priv->smu_tables.entry[table_id].table_id);
     64 
     65 	/* flush hdp cache */
     66 	amdgpu_asic_flush_hdp(adev, NULL);
     67 
     68 	memcpy(table, priv->smu_tables.entry[table_id].table,
     69 			priv->smu_tables.entry[table_id].size);
     70 
     71 	return 0;
     72 }
     73 
     74 static int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
     75 		uint8_t *table, int16_t table_id)
     76 {
     77 	struct vega10_smumgr *priv = hwmgr->smu_backend;
     78 	struct amdgpu_device *adev = hwmgr->adev;
     79 
     80 	/* under sriov, vbios or hypervisor driver
     81 	 * has already copy table to smc so here only skip it
     82 	 */
     83 	if (!hwmgr->not_vf)
     84 		return 0;
     85 
     86 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
     87 			"Invalid SMU Table ID!", return -EINVAL);
     88 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
     89 			"Invalid SMU Table version!", return -EINVAL);
     90 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
     91 			"Invalid SMU Table Length!", return -EINVAL);
     92 
     93 	memcpy(priv->smu_tables.entry[table_id].table, table,
     94 			priv->smu_tables.entry[table_id].size);
     95 
     96 	amdgpu_asic_flush_hdp(adev, NULL);
     97 
     98 	smu9_send_msg_to_smc_with_parameter(hwmgr,
     99 			PPSMC_MSG_SetDriverDramAddrHigh,
    100 			upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
    101 	smu9_send_msg_to_smc_with_parameter(hwmgr,
    102 			PPSMC_MSG_SetDriverDramAddrLow,
    103 			lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
    104 	smu9_send_msg_to_smc_with_parameter(hwmgr,
    105 			PPSMC_MSG_TransferTableDram2Smu,
    106 			priv->smu_tables.entry[table_id].table_id);
    107 
    108 	return 0;
    109 }
    110 
    111 int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
    112 			       bool enable, uint32_t feature_mask)
    113 {
    114 	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
    115 			PPSMC_MSG_DisableSmuFeatures;
    116 
    117 	/* VF has no permission to change smu feature due
    118 	 * to security concern even under pp one vf mode
    119 	 * it still can't do it. For vega10, the smu in
    120 	 * vbios will enable the appropriate features.
    121 	 * */
    122 	if (!hwmgr->not_vf)
    123 		return 0;
    124 
    125 	return smum_send_msg_to_smc_with_parameter(hwmgr,
    126 			msg, feature_mask);
    127 }
    128 
    129 int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
    130 			    uint64_t *features_enabled)
    131 {
    132 	if (features_enabled == NULL)
    133 		return -EINVAL;
    134 
    135 	smu9_send_msg_to_smc(hwmgr, PPSMC_MSG_GetEnabledSmuFeatures);
    136 	*features_enabled = smu9_get_argument(hwmgr);
    137 
    138 	return 0;
    139 }
    140 
    141 static bool vega10_is_dpm_running(struct pp_hwmgr *hwmgr)
    142 {
    143 	uint64_t features_enabled = 0;
    144 
    145 	vega10_get_enabled_smc_features(hwmgr, &features_enabled);
    146 
    147 	if (features_enabled & SMC_DPM_FEATURES)
    148 		return true;
    149 	else
    150 		return false;
    151 }
    152 
    153 static int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
    154 {
    155 	struct vega10_smumgr *priv = hwmgr->smu_backend;
    156 
    157 	if (priv->smu_tables.entry[TOOLSTABLE].mc_addr) {
    158 		smu9_send_msg_to_smc_with_parameter(hwmgr,
    159 				PPSMC_MSG_SetToolsDramAddrHigh,
    160 				upper_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr));
    161 		smu9_send_msg_to_smc_with_parameter(hwmgr,
    162 				PPSMC_MSG_SetToolsDramAddrLow,
    163 				lower_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr));
    164 	}
    165 	return 0;
    166 }
    167 
    168 static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
    169 {
    170 	uint32_t smc_driver_if_version;
    171 	struct amdgpu_device *adev = hwmgr->adev;
    172 	uint32_t dev_id;
    173 	uint32_t rev_id;
    174 
    175 	PP_ASSERT_WITH_CODE(!smu9_send_msg_to_smc(hwmgr,
    176 			PPSMC_MSG_GetDriverIfVersion),
    177 			"Attempt to get SMC IF Version Number Failed!",
    178 			return -EINVAL);
    179 	smc_driver_if_version = smu9_get_argument(hwmgr);
    180 
    181 	dev_id = adev->pdev->device;
    182 	rev_id = adev->pdev->revision;
    183 
    184 	if (!((dev_id == 0x687f) &&
    185 		((rev_id == 0xc0) ||
    186 		(rev_id == 0xc1) ||
    187 		(rev_id == 0xc3)))) {
    188 		if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
    189 			pr_err("Your firmware(0x%x) doesn't match SMU9_DRIVER_IF_VERSION(0x%x). Please update your firmware!\n",
    190 			       smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
    191 			return -EINVAL;
    192 		}
    193 	}
    194 
    195 	return 0;
    196 }
    197 
    198 static int vega10_smu_init(struct pp_hwmgr *hwmgr)
    199 {
    200 	struct vega10_smumgr *priv;
    201 	unsigned long tools_size;
    202 	int ret;
    203 	struct cgs_firmware_info info = {0};
    204 
    205 	ret = cgs_get_firmware_info(hwmgr->device,
    206 				    CGS_UCODE_ID_SMU,
    207 				    &info);
    208 	if (ret || !info.kptr)
    209 		return -EINVAL;
    210 
    211 	priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);
    212 
    213 	if (!priv)
    214 		return -ENOMEM;
    215 
    216 	hwmgr->smu_backend = priv;
    217 
    218 	/* allocate space for pptable */
    219 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
    220 			sizeof(PPTable_t),
    221 			PAGE_SIZE,
    222 			AMDGPU_GEM_DOMAIN_VRAM,
    223 			&priv->smu_tables.entry[PPTABLE].handle,
    224 			&priv->smu_tables.entry[PPTABLE].mc_addr,
    225 			&priv->smu_tables.entry[PPTABLE].table);
    226 	if (ret)
    227 		goto free_backend;
    228 
    229 	priv->smu_tables.entry[PPTABLE].version = 0x01;
    230 	priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
    231 	priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
    232 
    233 	/* allocate space for watermarks table */
    234 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
    235 			sizeof(Watermarks_t),
    236 			PAGE_SIZE,
    237 			AMDGPU_GEM_DOMAIN_VRAM,
    238 			&priv->smu_tables.entry[WMTABLE].handle,
    239 			&priv->smu_tables.entry[WMTABLE].mc_addr,
    240 			&priv->smu_tables.entry[WMTABLE].table);
    241 
    242 	if (ret)
    243 		goto err0;
    244 
    245 	priv->smu_tables.entry[WMTABLE].version = 0x01;
    246 	priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
    247 	priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
    248 
    249 	/* allocate space for AVFS table */
    250 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
    251 			sizeof(AvfsTable_t),
    252 			PAGE_SIZE,
    253 			AMDGPU_GEM_DOMAIN_VRAM,
    254 			&priv->smu_tables.entry[AVFSTABLE].handle,
    255 			&priv->smu_tables.entry[AVFSTABLE].mc_addr,
    256 			&priv->smu_tables.entry[AVFSTABLE].table);
    257 
    258 	if (ret)
    259 		goto err1;
    260 
    261 	priv->smu_tables.entry[AVFSTABLE].version = 0x01;
    262 	priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
    263 	priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
    264 
    265 	tools_size = 0x19000;
    266 	if (tools_size) {
    267 		ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
    268 				tools_size,
    269 				PAGE_SIZE,
    270 				AMDGPU_GEM_DOMAIN_VRAM,
    271 				&priv->smu_tables.entry[TOOLSTABLE].handle,
    272 				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
    273 				&priv->smu_tables.entry[TOOLSTABLE].table);
    274 		if (ret)
    275 			goto err2;
    276 		priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
    277 		priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
    278 		priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
    279 	}
    280 
    281 	/* allocate space for AVFS Fuse table */
    282 	ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
    283 			sizeof(AvfsFuseOverride_t),
    284 			PAGE_SIZE,
    285 			AMDGPU_GEM_DOMAIN_VRAM,
    286 			&priv->smu_tables.entry[AVFSFUSETABLE].handle,
    287 			&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
    288 			&priv->smu_tables.entry[AVFSFUSETABLE].table);
    289 	if (ret)
    290 		goto err3;
    291 
    292 	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
    293 	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
    294 	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
    295 
    296 
    297 	return 0;
    298 
    299 err3:
    300 	if (priv->smu_tables.entry[TOOLSTABLE].table)
    301 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
    302 				&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
    303 				&priv->smu_tables.entry[TOOLSTABLE].table);
    304 err2:
    305 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
    306 				&priv->smu_tables.entry[AVFSTABLE].mc_addr,
    307 				&priv->smu_tables.entry[AVFSTABLE].table);
    308 err1:
    309 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
    310 				&priv->smu_tables.entry[WMTABLE].mc_addr,
    311 				&priv->smu_tables.entry[WMTABLE].table);
    312 err0:
    313 	amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
    314 			&priv->smu_tables.entry[PPTABLE].mc_addr,
    315 			&priv->smu_tables.entry[PPTABLE].table);
    316 free_backend:
    317 	kfree(hwmgr->smu_backend);
    318 
    319 	return -EINVAL;
    320 }
    321 
    322 static int vega10_smu_fini(struct pp_hwmgr *hwmgr)
    323 {
    324 	struct vega10_smumgr *priv = hwmgr->smu_backend;
    325 
    326 	if (priv) {
    327 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[PPTABLE].handle,
    328 				&priv->smu_tables.entry[PPTABLE].mc_addr,
    329 				&priv->smu_tables.entry[PPTABLE].table);
    330 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
    331 					&priv->smu_tables.entry[WMTABLE].mc_addr,
    332 					&priv->smu_tables.entry[WMTABLE].table);
    333 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSTABLE].handle,
    334 					&priv->smu_tables.entry[AVFSTABLE].mc_addr,
    335 					&priv->smu_tables.entry[AVFSTABLE].table);
    336 		if (priv->smu_tables.entry[TOOLSTABLE].table)
    337 			amdgpu_bo_free_kernel(&priv->smu_tables.entry[TOOLSTABLE].handle,
    338 					&priv->smu_tables.entry[TOOLSTABLE].mc_addr,
    339 					&priv->smu_tables.entry[TOOLSTABLE].table);
    340 		amdgpu_bo_free_kernel(&priv->smu_tables.entry[AVFSFUSETABLE].handle,
    341 					&priv->smu_tables.entry[AVFSFUSETABLE].mc_addr,
    342 					&priv->smu_tables.entry[AVFSFUSETABLE].table);
    343 		kfree(hwmgr->smu_backend);
    344 		hwmgr->smu_backend = NULL;
    345 	}
    346 	return 0;
    347 }
    348 
    349 static int vega10_start_smu(struct pp_hwmgr *hwmgr)
    350 {
    351 	if (!smu9_is_smc_ram_running(hwmgr))
    352 		return -EINVAL;
    353 
    354 	PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(hwmgr),
    355 			"Failed to verify SMC interface!",
    356 			return -EINVAL);
    357 
    358 	vega10_set_tools_address(hwmgr);
    359 
    360 	return 0;
    361 }
    362 
    363 static int vega10_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table,
    364 				    uint16_t table_id, bool rw)
    365 {
    366 	int ret;
    367 
    368 	if (rw)
    369 		ret = vega10_copy_table_from_smc(hwmgr, table, table_id);
    370 	else
    371 		ret = vega10_copy_table_to_smc(hwmgr, table, table_id);
    372 
    373 	return ret;
    374 }
    375 
    376 const struct pp_smumgr_func vega10_smu_funcs = {
    377 	.name = "vega10_smu",
    378 	.smu_init = &vega10_smu_init,
    379 	.smu_fini = &vega10_smu_fini,
    380 	.start_smu = &vega10_start_smu,
    381 	.request_smu_load_specific_fw = NULL,
    382 	.send_msg_to_smc = &smu9_send_msg_to_smc,
    383 	.send_msg_to_smc_with_parameter = &smu9_send_msg_to_smc_with_parameter,
    384 	.download_pptable_settings = NULL,
    385 	.upload_pptable_settings = NULL,
    386 	.is_dpm_running = vega10_is_dpm_running,
    387 	.get_argument = smu9_get_argument,
    388 	.smc_table_manager = vega10_smc_table_manager,
    389 };
    390