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Release 4.11 drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c

/*
 * Copyright 2015 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.
 *
 */
#include "pp_debug.h"
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/gfp.h>

#include "smumgr.h"
#include "tonga_smumgr.h"
#include "smu_ucode_xfer_vi.h"
#include "tonga_ppsmc.h"
#include "smu/smu_7_1_2_d.h"
#include "smu/smu_7_1_2_sh_mask.h"
#include "cgs_common.h"
#include "tonga_smc.h"
#include "smu7_smumgr.h"



static int tonga_start_in_protection_mode(struct pp_smumgr *smumgr) { int result; /* Assert reset */ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_RESET_CNTL, rst_reg, 1); result = smu7_upload_smu_firmware_image(smumgr); if (result) return result; /* Clear status */ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMU_STATUS, 0); /* Enable clock */ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); /* De-assert reset */ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_RESET_CNTL, rst_reg, 0); /* Set SMU Auto Start */ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_INPUT_DATA, AUTO_START, 1); /* Clear firmware interrupt enable flag */ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixFIRMWARE_FLAGS, 0); SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, RCU_UC_EVENTS, INTERRUPTS_ENABLED, 1); /** * Call Test SMU message with 0x20000 offset to trigger SMU start */ smu7_send_msg_to_smc_offset(smumgr); /* Wait for done bit to be set */ SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, SMU_STATUS, SMU_DONE, 0); /* Check pass/failed indicator */ if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_STATUS, SMU_PASS)) { pr_err("SMU Firmware start failed\n"); return -EINVAL; } /* Wait for firmware to initialize */ SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Jammy Zhou19597.99%133.33%
Huang Rui21.01%133.33%
Rex Zhu21.01%133.33%
Total199100.00%3100.00%


static int tonga_start_in_non_protection_mode(struct pp_smumgr *smumgr) { int result = 0; /* wait for smc boot up */ SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0); /*Clear firmware interrupt enable flag*/ cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixFIRMWARE_FLAGS, 0); SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_RESET_CNTL, rst_reg, 1); result = smu7_upload_smu_firmware_image(smumgr); if (result != 0) return result; /* Set smc instruct start point at 0x0 */ smu7_program_jump_on_start(smumgr); SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); /*De-assert reset*/ SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_RESET_CNTL, rst_reg, 0); /* Wait for firmware to initialize */ SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); return result; }

Contributors

PersonTokensPropCommitsCommitProp
Jammy Zhou12798.45%150.00%
Rex Zhu21.55%150.00%
Total129100.00%2100.00%


static int tonga_start_smu(struct pp_smumgr *smumgr) { int result; /* Only start SMC if SMC RAM is not running */ if (!(smu7_is_smc_ram_running(smumgr) || cgs_is_virtualization_enabled(smumgr->device))) { /*Check if SMU is running in protected mode*/ if (0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_MODE)) { result = tonga_start_in_non_protection_mode(smumgr); if (result) return result; } else { result = tonga_start_in_protection_mode(smumgr); if (result) return result; } } result = smu7_request_smu_load_fw(smumgr); return result; }

Contributors

PersonTokensPropCommitsCommitProp
Jammy Zhou8488.42%133.33%
Trigger Huang99.47%133.33%
Rex Zhu22.11%133.33%
Total95100.00%3100.00%

/** * Write a 32bit value to the SMC SRAM space. * ALL PARAMETERS ARE IN HOST BYTE ORDER. * @param smumgr the address of the powerplay hardware manager. * @param smcAddress the address in the SMC RAM to access. * @param value to write to the SMC SRAM. */
static int tonga_smu_init(struct pp_smumgr *smumgr) { struct tonga_smumgr *tonga_priv = NULL; int i; tonga_priv = kzalloc(sizeof(struct tonga_smumgr), GFP_KERNEL); if (tonga_priv == NULL) return -ENOMEM; smumgr->backend = tonga_priv; if (smu7_init(smumgr)) return -EINVAL; for (i = 0; i < SMU72_MAX_LEVELS_GRAPHICS; i++) tonga_priv->activity_target[i] = 30; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rex Zhu6069.77%375.00%
Jammy Zhou2630.23%125.00%
Total86100.00%4100.00%

const struct pp_smumgr_func tonga_smu_funcs = { .smu_init = &tonga_smu_init, .smu_fini = &smu7_smu_fini, .start_smu = &tonga_start_smu, .check_fw_load_finish = &smu7_check_fw_load_finish, .request_smu_load_fw = &smu7_request_smu_load_fw, .request_smu_load_specific_fw = NULL, .send_msg_to_smc = &smu7_send_msg_to_smc, .send_msg_to_smc_with_parameter = &smu7_send_msg_to_smc_with_parameter, .download_pptable_settings = NULL, .upload_pptable_settings = NULL, .update_smc_table = tonga_update_smc_table, .get_offsetof = tonga_get_offsetof, .process_firmware_header = tonga_process_firmware_header, .init_smc_table = tonga_init_smc_table, .update_sclk_threshold = tonga_update_sclk_threshold, .thermal_setup_fan_table = tonga_thermal_setup_fan_table, .populate_all_graphic_levels = tonga_populate_all_graphic_levels, .populate_all_memory_levels = tonga_populate_all_memory_levels, .get_mac_definition = tonga_get_mac_definition, .initialize_mc_reg_table = tonga_initialize_mc_reg_table, .is_dpm_running = tonga_is_dpm_running, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Jammy Zhou52578.12%114.29%
Rex Zhu13319.79%342.86%
Trigger Huang91.34%114.29%
Huang Rui50.74%228.57%
Total672100.00%7100.00%
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