/* * Copyright 2020 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #define SWSMU_CODE_LAYER_L4 #include "amdgpu.h" #include "amdgpu_smu.h" #include "smu_cmn.h" #include "soc15_common.h" /* * DO NOT use these for err/warn/info/debug messages. * Use dev_err, dev_warn, dev_info and dev_dbg instead. * They are more MGPU friendly. */ #undef pr_err #undef pr_warn #undef pr_info #undef pr_debug #define MP1_C2PMSG_90__CONTENT_MASK … const int link_speed[] = …; #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) … static const char * const __smu_message_names[] = …; #define smu_cmn_call_asic_func(intf, smu, args...) … static const char *smu_get_message_name(struct smu_context *smu, enum smu_message_type type) { … } static void smu_cmn_read_arg(struct smu_context *smu, uint32_t *arg) { … } /* Redefine the SMU error codes here. * * Note that these definitions are redundant and should be removed * when the SMU has exported a unified header file containing these * macros, which header file we can just include and use the SMU's * macros. At the moment, these error codes are defined by the SMU * per-ASIC unfortunately, yet we're a one driver for all ASICs. */ #define SMU_RESP_NONE … #define SMU_RESP_OK … #define SMU_RESP_CMD_FAIL … #define SMU_RESP_CMD_UNKNOWN … #define SMU_RESP_CMD_BAD_PREREQ … #define SMU_RESP_BUSY_OTHER … #define SMU_RESP_DEBUG_END … /** * __smu_cmn_poll_stat -- poll for a status from the SMU * @smu: a pointer to SMU context * * Returns the status of the SMU, which could be, * 0, the SMU is busy with your command; * 1, execution status: success, execution result: success; * 0xFF, execution status: success, execution result: failure; * 0xFE, unknown command; * 0xFD, valid command, but bad (command) prerequisites; * 0xFC, the command was rejected as the SMU is busy; * 0xFB, "SMC_Result_DebugDataDumpEnd". * * The values here are not defined by macros, because I'd rather we * include a single header file which defines them, which is * maintained by the SMU FW team, so that we're impervious to firmware * changes. At the moment those values are defined in various header * files, one for each ASIC, yet here we're a single ASIC-agnostic * interface. Such a change can be followed-up by a subsequent patch. */ static u32 __smu_cmn_poll_stat(struct smu_context *smu) { … } static void __smu_cmn_reg_print_error(struct smu_context *smu, u32 reg_c2pmsg_90, int msg_index, u32 param, enum smu_message_type msg) { … } static int __smu_cmn_reg2errno(struct smu_context *smu, u32 reg_c2pmsg_90) { … } static void __smu_cmn_send_msg(struct smu_context *smu, u16 msg, u32 param) { … } static inline uint32_t __smu_cmn_get_msg_flags(struct smu_context *smu, enum smu_message_type msg) { … } static int __smu_cmn_ras_filter_msg(struct smu_context *smu, enum smu_message_type msg, bool *poll) { … } static int __smu_cmn_send_debug_msg(struct smu_context *smu, u32 msg, u32 param) { … } /** * smu_cmn_send_msg_without_waiting -- send the message; don't wait for status * @smu: pointer to an SMU context * @msg_index: message index * @param: message parameter to send to the SMU * * Send a message to the SMU with the parameter passed. Do not wait * for status/result of the message, thus the "without_waiting". * * Return 0 on success, -errno on error if we weren't able to _send_ * the message for some reason. See __smu_cmn_reg2errno() for details * of the -errno. */ int smu_cmn_send_msg_without_waiting(struct smu_context *smu, uint16_t msg_index, uint32_t param) { … } /** * smu_cmn_wait_for_response -- wait for response from the SMU * @smu: pointer to an SMU context * * Wait for status from the SMU. * * Return 0 on success, -errno on error, indicating the execution * status and result of the message being waited for. See * __smu_cmn_reg2errno() for details of the -errno. */ int smu_cmn_wait_for_response(struct smu_context *smu) { … } /** * smu_cmn_send_smc_msg_with_param -- send a message with parameter * @smu: pointer to an SMU context * @msg: message to send * @param: parameter to send to the SMU * @read_arg: pointer to u32 to return a value from the SMU back * to the caller * * Send the message @msg with parameter @param to the SMU, wait for * completion of the command, and return back a value from the SMU in * @read_arg pointer. * * Return 0 on success, -errno when a problem is encountered sending * message or receiving reply. If there is a PCI bus recovery or * the destination is a virtual GPU which does not allow this message * type, the message is simply dropped and success is also returned. * See __smu_cmn_reg2errno() for details of the -errno. * * If we weren't able to send the message to the SMU, we also print * the error to the standard log. * * Command completion status is printed only if the -errno is * -EREMOTEIO, indicating that the SMU returned back an * undefined/unknown/unspecified result. All other cases are * well-defined, not printed, but instead given back to the client to * decide what further to do. * * The return value, @read_arg is read back regardless, to give back * more information to the client, which on error would most likely be * @param, but we can't assume that. This also eliminates more * conditionals. */ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu, enum smu_message_type msg, uint32_t param, uint32_t *read_arg) { … } int smu_cmn_send_smc_msg(struct smu_context *smu, enum smu_message_type msg, uint32_t *read_arg) { … } int smu_cmn_send_debug_smc_msg(struct smu_context *smu, uint32_t msg) { … } int smu_cmn_send_debug_smc_msg_with_param(struct smu_context *smu, uint32_t msg, uint32_t param) { … } int smu_cmn_to_asic_specific_index(struct smu_context *smu, enum smu_cmn2asic_mapping_type type, uint32_t index) { … } int smu_cmn_feature_is_supported(struct smu_context *smu, enum smu_feature_mask mask) { … } static int __smu_get_enabled_features(struct smu_context *smu, uint64_t *enabled_features) { … } int smu_cmn_feature_is_enabled(struct smu_context *smu, enum smu_feature_mask mask) { … } bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type) { … } int smu_cmn_get_enabled_mask(struct smu_context *smu, uint64_t *feature_mask) { … } uint64_t smu_cmn_get_indep_throttler_status( const unsigned long dep_status, const uint8_t *throttler_map) { … } int smu_cmn_feature_update_enable_state(struct smu_context *smu, uint64_t feature_mask, bool enabled) { … } int smu_cmn_feature_set_enabled(struct smu_context *smu, enum smu_feature_mask mask, bool enable) { … } #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(fea) … static const char *__smu_feature_names[] = …; static const char *smu_get_feature_name(struct smu_context *smu, enum smu_feature_mask feature) { … } size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu, char *buf) { … } int smu_cmn_set_pp_feature_mask(struct smu_context *smu, uint64_t new_mask) { … } /** * smu_cmn_disable_all_features_with_exception - disable all dpm features * except this specified by * @mask * * @smu: smu_context pointer * @mask: the dpm feature which should not be disabled * SMU_FEATURE_COUNT: no exception, all dpm features * to disable * * Returns: * 0 on success or a negative error code on failure. */ int smu_cmn_disable_all_features_with_exception(struct smu_context *smu, enum smu_feature_mask mask) { … } int smu_cmn_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t *smu_version) { … } int smu_cmn_update_table(struct smu_context *smu, enum smu_table_id table_index, int argument, void *table_data, bool drv2smu) { … } int smu_cmn_write_watermarks_table(struct smu_context *smu) { … } int smu_cmn_write_pptable(struct smu_context *smu) { … } int smu_cmn_get_metrics_table(struct smu_context *smu, void *metrics_table, bool bypass_cache) { … } int smu_cmn_get_combo_pptable(struct smu_context *smu) { … } void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev) { … } int smu_cmn_set_mp1_state(struct smu_context *smu, enum pp_mp1_state mp1_state) { … } bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev) { … } static char *smu_soc_policy_get_desc(struct smu_dpm_policy *policy, int level) { … } static struct smu_dpm_policy_desc pstate_policy_desc = …; void smu_cmn_generic_soc_policy_desc(struct smu_dpm_policy *policy) { … } static char *smu_xgmi_plpd_policy_get_desc(struct smu_dpm_policy *policy, int level) { … } static struct smu_dpm_policy_desc xgmi_plpd_policy_desc = …; void smu_cmn_generic_plpd_policy_desc(struct smu_dpm_policy *policy) { … }
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