From 025f8bfb84cbcaa78df31ab00d7e3c5f979e9e27 Mon Sep 17 00:00:00 2001 From: Huang Rui Date: Tue, 12 Jul 2016 15:45:12 +0800 Subject: drm/amd/powerplay: add iceland HW manager This patch introduces the iceland HW manager of powerplay which includes HW manager, clockpowergating, thermal, and powertune. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile index f7ce4cb..c264cb6 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -10,7 +10,9 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \ fiji_clockpowergating.o fiji_thermal.o \ polaris10_hwmgr.o polaris10_powertune.o polaris10_thermal.o \ - polaris10_clockpowergating.o + polaris10_clockpowergating.o iceland_hwmgr.o \ + iceland_clockpowergating.o iceland_thermal.o \ + iceland_powertune.o AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 27e0762..65408dd 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -39,6 +39,7 @@ extern int cz_hwmgr_init(struct pp_hwmgr *hwmgr); extern int tonga_hwmgr_init(struct pp_hwmgr *hwmgr); extern int fiji_hwmgr_init(struct pp_hwmgr *hwmgr); extern int polaris10_hwmgr_init(struct pp_hwmgr *hwmgr); +extern int iceland_hwmgr_init(struct pp_hwmgr *hwmgr); int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) { @@ -67,6 +68,9 @@ int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) break; case AMDGPU_FAMILY_VI: switch (hwmgr->chip_id) { + case CHIP_TOPAZ: + iceland_hwmgr_init(hwmgr); + break; case CHIP_TONGA: tonga_hwmgr_init(hwmgr); break; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_clockpowergating.c new file mode 100644 index 0000000..47949f5 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_clockpowergating.c @@ -0,0 +1,119 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ + +#include "hwmgr.h" +#include "iceland_clockpowergating.h" +#include "ppsmc.h" +#include "iceland_hwmgr.h" + +int iceland_phm_powerdown_uvd(struct pp_hwmgr *hwmgr) +{ + /* iceland does not have MM hardware block */ + return 0; +} + +static int iceland_phm_powerup_uvd(struct pp_hwmgr *hwmgr) +{ + /* iceland does not have MM hardware block */ + return 0; +} + +static int iceland_phm_powerdown_vce(struct pp_hwmgr *hwmgr) +{ + /* iceland does not have MM hardware block */ + return 0; +} + +static int iceland_phm_powerup_vce(struct pp_hwmgr *hwmgr) +{ + /* iceland does not have MM hardware block */ + return 0; +} + +int iceland_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum + PHM_AsicBlock block, enum PHM_ClockGateSetting gating) +{ + int ret = 0; + + switch (block) { + case PHM_AsicBlock_UVD_MVC: + case PHM_AsicBlock_UVD: + case PHM_AsicBlock_UVD_HD: + case PHM_AsicBlock_UVD_SD: + if (gating == PHM_ClockGateSetting_StaticOff) + ret = iceland_phm_powerdown_uvd(hwmgr); + else + ret = iceland_phm_powerup_uvd(hwmgr); + break; + case PHM_AsicBlock_GFX: + default: + break; + } + + return ret; +} + +int iceland_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + + iceland_phm_powerup_uvd(hwmgr); + iceland_phm_powerup_vce(hwmgr); + + return 0; +} + +int iceland_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + if (bgate) { + iceland_update_uvd_dpm(hwmgr, true); + iceland_phm_powerdown_uvd(hwmgr); + } else { + iceland_phm_powerup_uvd(hwmgr); + iceland_update_uvd_dpm(hwmgr, false); + } + + return 0; +} + +int iceland_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + if (bgate) + return iceland_phm_powerdown_vce(hwmgr); + else + return iceland_phm_powerup_vce(hwmgr); + + return 0; +} + +int iceland_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, + const uint32_t *msg_id) +{ + /* iceland does not have MM hardware block */ + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_clockpowergating.h new file mode 100644 index 0000000..ff5ef00 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_clockpowergating.h @@ -0,0 +1,38 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ + +#ifndef _ICELAND_CLOCK_POWER_GATING_H_ +#define _ICELAND_CLOCK_POWER_GATING_H_ + +#include "iceland_hwmgr.h" +#include "pp_asicblocks.h" + +extern int iceland_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating); +extern int iceland_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate); +extern int iceland_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate); +extern int iceland_phm_powerdown_uvd(struct pp_hwmgr *hwmgr); +extern int iceland_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr); +extern int iceland_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, const uint32_t *msg_id); +#endif /* _ICELAND_CLOCK_POWER_GATING_H_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.c new file mode 100644 index 0000000..9c6d7e3 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.c @@ -0,0 +1,5617 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ +#include +#include +#include +#include "linux/delay.h" +#include "pp_acpi.h" +#include "hwmgr.h" +#include +#include "iceland_hwmgr.h" +#include "pptable.h" +#include "processpptables.h" +#include "pp_debug.h" +#include "ppsmc.h" +#include "cgs_common.h" +#include "pppcielanes.h" +#include "iceland_dyn_defaults.h" +#include "smumgr.h" +#include "iceland_smumgr.h" +#include "iceland_clockpowergating.h" +#include "iceland_thermal.h" +#include "iceland_powertune.h" + +#include "gmc/gmc_8_1_d.h" +#include "gmc/gmc_8_1_sh_mask.h" + +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" + +#include "smu/smu_7_1_1_d.h" +#include "smu/smu_7_1_1_sh_mask.h" + +#include "cgs_linux.h" +#include "eventmgr.h" +#include "amd_pcie_helpers.h" + +#define MC_CG_ARB_FREQ_F0 0x0a +#define MC_CG_ARB_FREQ_F1 0x0b +#define MC_CG_ARB_FREQ_F2 0x0c +#define MC_CG_ARB_FREQ_F3 0x0d + +#define MC_CG_SEQ_DRAMCONF_S0 0x05 +#define MC_CG_SEQ_DRAMCONF_S1 0x06 +#define MC_CG_SEQ_YCLK_SUSPEND 0x04 +#define MC_CG_SEQ_YCLK_RESUME 0x0a + +#define PCIE_BUS_CLK 10000 +#define TCLK (PCIE_BUS_CLK / 10) + +#define SMC_RAM_END 0x40000 +#define SMC_CG_IND_START 0xc0030000 +#define SMC_CG_IND_END 0xc0040000 /* First byte after SMC_CG_IND*/ + +#define VOLTAGE_SCALE 4 +#define VOLTAGE_VID_OFFSET_SCALE1 625 +#define VOLTAGE_VID_OFFSET_SCALE2 100 + +const uint32_t iceland_magic = (uint32_t)(PHM_VIslands_Magic); + +#define MC_SEQ_MISC0_GDDR5_SHIFT 28 +#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000 +#define MC_SEQ_MISC0_GDDR5_VALUE 5 + +/** Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */ +enum DPM_EVENT_SRC { + DPM_EVENT_SRC_ANALOG = 0, /* Internal analog trip point */ + DPM_EVENT_SRC_EXTERNAL = 1, /* External (GPIO 17) signal */ + DPM_EVENT_SRC_DIGITAL = 2, /* Internal digital trip point (DIG_THERM_DPM) */ + DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3, /* Internal analog or external */ + DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4 /* Internal digital or external */ +}; + +static int iceland_read_clock_registers(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + data->clock_registers.vCG_SPLL_FUNC_CNTL = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL); + data->clock_registers.vCG_SPLL_FUNC_CNTL_2 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_2); + data->clock_registers.vCG_SPLL_FUNC_CNTL_3 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_3); + data->clock_registers.vCG_SPLL_FUNC_CNTL_4 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_4); + data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM); + data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2 = + cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM_2); + data->clock_registers.vDLL_CNTL = + cgs_read_register(hwmgr->device, mmDLL_CNTL); + data->clock_registers.vMCLK_PWRMGT_CNTL = + cgs_read_register(hwmgr->device, mmMCLK_PWRMGT_CNTL); + data->clock_registers.vMPLL_AD_FUNC_CNTL = + cgs_read_register(hwmgr->device, mmMPLL_AD_FUNC_CNTL); + data->clock_registers.vMPLL_DQ_FUNC_CNTL = + cgs_read_register(hwmgr->device, mmMPLL_DQ_FUNC_CNTL); + data->clock_registers.vMPLL_FUNC_CNTL = + cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL); + data->clock_registers.vMPLL_FUNC_CNTL_1 = + cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_1); + data->clock_registers.vMPLL_FUNC_CNTL_2 = + cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_2); + data->clock_registers.vMPLL_SS1 = + cgs_read_register(hwmgr->device, mmMPLL_SS1); + data->clock_registers.vMPLL_SS2 = + cgs_read_register(hwmgr->device, mmMPLL_SS2); + + return 0; +} + +/** + * Find out if memory is GDDR5. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_get_memory_type(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint32_t temp; + + temp = cgs_read_register(hwmgr->device, mmMC_SEQ_MISC0); + + data->is_memory_GDDR5 = (MC_SEQ_MISC0_GDDR5_VALUE == + ((temp & MC_SEQ_MISC0_GDDR5_MASK) >> + MC_SEQ_MISC0_GDDR5_SHIFT)); + + return 0; +} + +int iceland_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + /* iceland does not have MM hardware blocks */ + return 0; +} + +/** + * Enables Dynamic Power Management by SMC + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_enable_acpi_power_management(struct pp_hwmgr *hwmgr) +{ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, STATIC_PM_EN, 1); + + return 0; +} + +/** + * Find the MC microcode version and store it in the HwMgr struct + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_get_mc_microcode_version(struct pp_hwmgr *hwmgr) +{ + cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX, 0x9F); + + hwmgr->microcode_version_info.MC = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA); + + return 0; +} + +static int iceland_init_sclk_threshold(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + data->low_sclk_interrupt_threshold = 0; + + return 0; +} + + +static int iceland_setup_asic_task(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + tmp_result = iceland_read_clock_registers(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to read clock registers!", result = tmp_result); + + tmp_result = iceland_get_memory_type(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to get memory type!", result = tmp_result); + + tmp_result = iceland_enable_acpi_power_management(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable ACPI power management!", result = tmp_result); + + tmp_result = iceland_get_mc_microcode_version(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to get MC microcode version!", result = tmp_result); + + tmp_result = iceland_init_sclk_threshold(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to init sclk threshold!", result = tmp_result); + + return result; +} + +static bool cf_iceland_voltage_control(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + return ICELAND_VOLTAGE_CONTROL_NONE != data->voltage_control; +} + +/* + * -------------- Voltage Tables ---------------------- + * If the voltage table would be bigger than what will fit into the + * state table on the SMC keep only the higher entries. + */ + +static void iceland_trim_voltage_table_to_fit_state_table( + struct pp_hwmgr *hwmgr, + uint32_t max_voltage_steps, + pp_atomctrl_voltage_table *voltage_table) +{ + unsigned int i, diff; + + if (voltage_table->count <= max_voltage_steps) { + return; + } + + diff = voltage_table->count - max_voltage_steps; + + for (i = 0; i < max_voltage_steps; i++) { + voltage_table->entries[i] = voltage_table->entries[i + diff]; + } + + voltage_table->count = max_voltage_steps; + + return; +} + +/** + * Enable voltage control + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_enable_voltage_control(struct pp_hwmgr *hwmgr) +{ + /* enable voltage control */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, VOLT_PWRMGT_EN, 1); + + return 0; +} + +static int iceland_get_svi2_voltage_table(struct pp_hwmgr *hwmgr, + struct phm_clock_voltage_dependency_table *voltage_dependency_table, + pp_atomctrl_voltage_table *voltage_table) +{ + uint32_t i; + + PP_ASSERT_WITH_CODE((NULL != voltage_table), + "Voltage Dependency Table empty.", return -EINVAL;); + + voltage_table->mask_low = 0; + voltage_table->phase_delay = 0; + voltage_table->count = voltage_dependency_table->count; + + for (i = 0; i < voltage_dependency_table->count; i++) { + voltage_table->entries[i].value = + voltage_dependency_table->entries[i].v; + voltage_table->entries[i].smio_low = 0; + } + + return 0; +} + +/** + * Create Voltage Tables. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_construct_voltage_tables(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + int result; + + /* GPIO voltage */ + if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control) { + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_GPIO_LUT, + &data->vddc_voltage_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve VDDC table.", return result;); + } else if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) { + /* SVI2 VDDC voltage */ + result = iceland_get_svi2_voltage_table(hwmgr, + hwmgr->dyn_state.vddc_dependency_on_mclk, + &data->vddc_voltage_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDC table from dependancy table.", return result;); + } + + PP_ASSERT_WITH_CODE( + (data->vddc_voltage_table.count <= (SMU71_MAX_LEVELS_VDDC)), + "Too many voltage values for VDDC. Trimming to fit state table.", + iceland_trim_voltage_table_to_fit_state_table(hwmgr, + SMU71_MAX_LEVELS_VDDC, &(data->vddc_voltage_table)); + ); + + /* GPIO */ + if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) { + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT, &(data->vddci_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve VDDCI table.", return result;); + } + + /* SVI2 VDDCI voltage */ + if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) { + result = iceland_get_svi2_voltage_table(hwmgr, + hwmgr->dyn_state.vddci_dependency_on_mclk, + &data->vddci_voltage_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 VDDCI table from dependancy table.", return result;); + } + + PP_ASSERT_WITH_CODE( + (data->vddci_voltage_table.count <= (SMU71_MAX_LEVELS_VDDCI)), + "Too many voltage values for VDDCI. Trimming to fit state table.", + iceland_trim_voltage_table_to_fit_state_table(hwmgr, + SMU71_MAX_LEVELS_VDDCI, &(data->vddci_voltage_table)); + ); + + + /* GPIO */ + if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) { + result = atomctrl_get_voltage_table_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT, &(data->mvdd_voltage_table)); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve table.", return result;); + } + + /* SVI2 voltage control */ + if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) { + result = iceland_get_svi2_voltage_table(hwmgr, + hwmgr->dyn_state.mvdd_dependency_on_mclk, + &data->mvdd_voltage_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to retrieve SVI2 MVDD table from dependancy table.", return result;); + } + + PP_ASSERT_WITH_CODE( + (data->mvdd_voltage_table.count <= (SMU71_MAX_LEVELS_MVDD)), + "Too many voltage values for MVDD. Trimming to fit state table.", + iceland_trim_voltage_table_to_fit_state_table(hwmgr, + SMU71_MAX_LEVELS_MVDD, &(data->mvdd_voltage_table)); + ); + + return 0; +} + +/*---------------------------MC----------------------------*/ + +uint8_t iceland_get_memory_module_index(struct pp_hwmgr *hwmgr) +{ + return (uint8_t) (0xFF & (cgs_read_register(hwmgr->device, mmBIOS_SCRATCH_4) >> 16)); +} + +bool iceland_check_s0_mc_reg_index(uint16_t inReg, uint16_t *outReg) +{ + bool result = true; + + switch (inReg) { + case mmMC_SEQ_RAS_TIMING: + *outReg = mmMC_SEQ_RAS_TIMING_LP; + break; + + case mmMC_SEQ_DLL_STBY: + *outReg = mmMC_SEQ_DLL_STBY_LP; + break; + + case mmMC_SEQ_G5PDX_CMD0: + *outReg = mmMC_SEQ_G5PDX_CMD0_LP; + break; + + case mmMC_SEQ_G5PDX_CMD1: + *outReg = mmMC_SEQ_G5PDX_CMD1_LP; + break; + + case mmMC_SEQ_G5PDX_CTRL: + *outReg = mmMC_SEQ_G5PDX_CTRL_LP; + break; + + case mmMC_SEQ_CAS_TIMING: + *outReg = mmMC_SEQ_CAS_TIMING_LP; + break; + + case mmMC_SEQ_MISC_TIMING: + *outReg = mmMC_SEQ_MISC_TIMING_LP; + break; + + case mmMC_SEQ_MISC_TIMING2: + *outReg = mmMC_SEQ_MISC_TIMING2_LP; + break; + + case mmMC_SEQ_PMG_DVS_CMD: + *outReg = mmMC_SEQ_PMG_DVS_CMD_LP; + break; + + case mmMC_SEQ_PMG_DVS_CTL: + *outReg = mmMC_SEQ_PMG_DVS_CTL_LP; + break; + + case mmMC_SEQ_RD_CTL_D0: + *outReg = mmMC_SEQ_RD_CTL_D0_LP; + break; + + case mmMC_SEQ_RD_CTL_D1: + *outReg = mmMC_SEQ_RD_CTL_D1_LP; + break; + + case mmMC_SEQ_WR_CTL_D0: + *outReg = mmMC_SEQ_WR_CTL_D0_LP; + break; + + case mmMC_SEQ_WR_CTL_D1: + *outReg = mmMC_SEQ_WR_CTL_D1_LP; + break; + + case mmMC_PMG_CMD_EMRS: + *outReg = mmMC_SEQ_PMG_CMD_EMRS_LP; + break; + + case mmMC_PMG_CMD_MRS: + *outReg = mmMC_SEQ_PMG_CMD_MRS_LP; + break; + + case mmMC_PMG_CMD_MRS1: + *outReg = mmMC_SEQ_PMG_CMD_MRS1_LP; + break; + + case mmMC_SEQ_PMG_TIMING: + *outReg = mmMC_SEQ_PMG_TIMING_LP; + break; + + case mmMC_PMG_CMD_MRS2: + *outReg = mmMC_SEQ_PMG_CMD_MRS2_LP; + break; + + case mmMC_SEQ_WR_CTL_2: + *outReg = mmMC_SEQ_WR_CTL_2_LP; + break; + + default: + result = false; + break; + } + + return result; +} + +int iceland_set_s0_mc_reg_index(phw_iceland_mc_reg_table *table) +{ + uint32_t i; + uint16_t address; + + for (i = 0; i < table->last; i++) { + table->mc_reg_address[i].s0 = + iceland_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) + ? address : table->mc_reg_address[i].s1; + } + return 0; +} + +int iceland_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table *table, phw_iceland_mc_reg_table *ni_table) +{ + uint8_t i, j; + + PP_ASSERT_WITH_CODE((table->last <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + PP_ASSERT_WITH_CODE((table->num_entries <= MAX_AC_TIMING_ENTRIES), + "Invalid VramInfo table.", return -1); + + for (i = 0; i < table->last; i++) { + ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1; + } + ni_table->last = table->last; + + for (i = 0; i < table->num_entries; i++) { + ni_table->mc_reg_table_entry[i].mclk_max = + table->mc_reg_table_entry[i].mclk_max; + for (j = 0; j < table->last; j++) { + ni_table->mc_reg_table_entry[i].mc_data[j] = + table->mc_reg_table_entry[i].mc_data[j]; + } + } + + ni_table->num_entries = table->num_entries; + + return 0; +} + +/** + * VBIOS omits some information to reduce size, we need to recover them here. + * 1. when we see mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to mmMC_PMG_CMD_EMRS /_LP[15:0]. + * Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0] + * 2. when we see mmMC_SEQ_RESERVE_M, bit[15:0] EMRS2, need to be write to mmMC_PMG_CMD_MRS1/_LP[15:0]. + * 3. need to set these data for each clock range + * + * @param hwmgr the address of the powerplay hardware manager. + * @param table the address of MCRegTable + * @return always 0 + */ +static int iceland_set_mc_special_registers(struct pp_hwmgr *hwmgr, phw_iceland_mc_reg_table *table) +{ + uint8_t i, j, k; + uint32_t temp_reg; + const iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + for (i = 0, j = table->last; i < table->last; i++) { + PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + switch (table->mc_reg_address[i].s1) { + /* + * mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write + * to mmMC_PMG_CMD_EMRS/_LP[15:0]. Bit[15:0] MRS, need + * to be update mmMC_PMG_CMD_MRS/_LP[15:0] + */ + case mmMC_SEQ_MISC1: + temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS); + table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS; + table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + ((temp_reg & 0xffff0000)) | + ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16); + } + j++; + PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + + temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS); + table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS; + table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + (temp_reg & 0xffff0000) | + (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); + + if (!data->is_memory_GDDR5) { + table->mc_reg_table_entry[k].mc_data[j] |= 0x100; + } + } + j++; + PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + + if (!data->is_memory_GDDR5) { + table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD; + table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16; + } + j++; + PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + } + + break; + + case mmMC_SEQ_RESERVE_M: + temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1); + table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1; + table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP; + for (k = 0; k < table->num_entries; k++) { + table->mc_reg_table_entry[k].mc_data[j] = + (temp_reg & 0xffff0000) | + (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); + } + j++; + PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE), + "Invalid VramInfo table.", return -1); + break; + + default: + break; + } + + } + + table->last = j; + + return 0; +} + + +static int iceland_set_valid_flag(phw_iceland_mc_reg_table *table) +{ + uint8_t i, j; + for (i = 0; i < table->last; i++) { + for (j = 1; j < table->num_entries; j++) { + if (table->mc_reg_table_entry[j-1].mc_data[i] != + table->mc_reg_table_entry[j].mc_data[i]) { + table->validflag |= (1<backend); + pp_atomctrl_mc_reg_table *table; + phw_iceland_mc_reg_table *ni_table = &data->iceland_mc_reg_table; + uint8_t module_index = iceland_get_memory_module_index(hwmgr); + + table = kzalloc(sizeof(pp_atomctrl_mc_reg_table), GFP_KERNEL); + + if (NULL == table) + return -ENOMEM; + + /* Program additional LP registers that are no longer programmed by VBIOS */ + cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_DLL_STBY_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_DLL_STBY)); + cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL)); + cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_EMRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS1_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0)); + cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING)); + cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS2_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS2)); + cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_2)); + + memset(table, 0x00, sizeof(pp_atomctrl_mc_reg_table)); + + result = atomctrl_initialize_mc_reg_table(hwmgr, module_index, table); + + if (0 == result) + result = iceland_copy_vbios_smc_reg_table(table, ni_table); + + if (0 == result) { + iceland_set_s0_mc_reg_index(ni_table); + result = iceland_set_mc_special_registers(hwmgr, ni_table); + } + + if (0 == result) + iceland_set_valid_flag(ni_table); + + kfree(table); + return result; +} + +/** + * Programs static screed detection parameters + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_program_static_screen_threshold_parameters(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* Set static screen threshold unit*/ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD_UNIT, + data->static_screen_threshold_unit); + /* Set static screen threshold*/ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD, + data->static_screen_threshold); + + return 0; +} + +/** + * Setup display gap for glitch free memory clock switching. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_enable_display_gap(struct pp_hwmgr *hwmgr) +{ + uint32_t display_gap = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL); + + display_gap = PHM_SET_FIELD(display_gap, + CG_DISPLAY_GAP_CNTL, DISP_GAP, DISPLAY_GAP_IGNORE); + + display_gap = PHM_SET_FIELD(display_gap, + CG_DISPLAY_GAP_CNTL, DISP_GAP_MCHG, DISPLAY_GAP_VBLANK); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_DISPLAY_GAP_CNTL, display_gap); + + return 0; +} + +/** + * Programs activity state transition voting clients + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_program_voting_clients(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* Clear reset for voting clients before enabling DPM */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 0); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 0); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_0, data->voting_rights_clients0); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_1, data->voting_rights_clients1); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_2, data->voting_rights_clients2); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_3, data->voting_rights_clients3); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_4, data->voting_rights_clients4); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_5, data->voting_rights_clients5); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_6, data->voting_rights_clients6); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_FREQ_TRAN_VOTING_7, data->voting_rights_clients7); + + return 0; +} + +static int iceland_upload_firmware(struct pp_hwmgr *hwmgr) +{ + int ret = 0; + + if (!iceland_is_smc_ram_running(hwmgr->smumgr)) + ret = iceland_smu_upload_firmware_image(hwmgr->smumgr); + + return ret; +} + +/** + * Get the location of various tables inside the FW image. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + */ +int iceland_process_firmware_header(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + uint32_t tmp; + int result; + bool error = 0; + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, DpmTable), + &tmp, data->sram_end); + + if (0 == result) { + data->dpm_table_start = tmp; + } + + error |= (0 != result); + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, SoftRegisters), + &tmp, data->sram_end); + + if (0 == result) { + data->soft_regs_start = tmp; + } + + error |= (0 != result); + + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, mcRegisterTable), + &tmp, data->sram_end); + + if (0 == result) { + data->mc_reg_table_start = tmp; + } + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, FanTable), + &tmp, data->sram_end); + + if (0 == result) { + data->fan_table_start = tmp; + } + + error |= (0 != result); + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, mcArbDramTimingTable), + &tmp, data->sram_end); + + if (0 == result) { + data->arb_table_start = tmp; + } + + error |= (0 != result); + + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, Version), + &tmp, data->sram_end); + + if (0 == result) { + hwmgr->microcode_version_info.SMC = tmp; + } + + error |= (0 != result); + + result = iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, UlvSettings), + &tmp, data->sram_end); + + if (0 == result) { + data->ulv_settings_start = tmp; + } + + error |= (0 != result); + + return error ? 1 : 0; +} + +/* +* Copy one arb setting to another and then switch the active set. +* arbFreqSrc and arbFreqDest is one of the MC_CG_ARB_FREQ_Fx constants. +*/ +int iceland_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr, + uint32_t arbFreqSrc, uint32_t arbFreqDest) +{ + uint32_t mc_arb_dram_timing; + uint32_t mc_arb_dram_timing2; + uint32_t burst_time; + uint32_t mc_cg_config; + + switch (arbFreqSrc) { + case MC_CG_ARB_FREQ_F0: + mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING); + mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2); + burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0); + break; + + case MC_CG_ARB_FREQ_F1: + mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1); + mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1); + burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1); + break; + + default: + return -1; + } + + switch (arbFreqDest) { + case MC_CG_ARB_FREQ_F0: + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing); + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0, burst_time); + break; + + case MC_CG_ARB_FREQ_F1: + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing); + cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time); + break; + + default: + return -1; + } + + mc_cg_config = cgs_read_register(hwmgr->device, mmMC_CG_CONFIG); + mc_cg_config |= 0x0000000F; + cgs_write_register(hwmgr->device, mmMC_CG_CONFIG, mc_cg_config); + PHM_WRITE_FIELD(hwmgr->device, MC_ARB_CG, CG_ARB_REQ, arbFreqDest); + + return 0; +} + +/** + * Initial switch from ARB F0->F1 + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + * This function is to be called from the SetPowerState table. + */ +int iceland_initial_switch_from_arb_f0_to_f1(struct pp_hwmgr *hwmgr) +{ + return iceland_copy_and_switch_arb_sets(hwmgr, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1); +} + +/* ---------------------------------------- ULV related functions ----------------------------------------------------*/ + + +static int iceland_reset_single_dpm_table( + struct pp_hwmgr *hwmgr, + struct iceland_single_dpm_table *dpm_table, + uint32_t count) +{ + uint32_t i; + if (!(count <= MAX_REGULAR_DPM_NUMBER)) + printk(KERN_ERR "[ powerplay ] Fatal error, can not set up single DPM \ + table entries to exceed max number! \n"); + + dpm_table->count = count; + for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++) { + dpm_table->dpm_levels[i].enabled = 0; + } + + return 0; +} + +static void iceland_setup_pcie_table_entry( + struct iceland_single_dpm_table *dpm_table, + uint32_t index, uint32_t pcie_gen, + uint32_t pcie_lanes) +{ + dpm_table->dpm_levels[index].value = pcie_gen; + dpm_table->dpm_levels[index].param1 = pcie_lanes; + dpm_table->dpm_levels[index].enabled = 1; +} + +/* + * Set up the PCIe DPM table as follows: + * + * A = Performance State, Max, Gen Speed + * C = Performance State, Min, Gen Speed + * 1 = Performance State, Max, Lane # + * 3 = Performance State, Min, Lane # + * + * B = Power Saving State, Max, Gen Speed + * D = Power Saving State, Min, Gen Speed + * 2 = Power Saving State, Max, Lane # + * 4 = Power Saving State, Min, Lane # + * + * + * DPM Index Gen Speed Lane # + * 5 A 1 + * 4 B 2 + * 3 C 1 + * 2 D 2 + * 1 C 3 + * 0 D 4 + * + */ +static int iceland_setup_default_pcie_tables(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + PP_ASSERT_WITH_CODE((data->use_pcie_performance_levels || + data->use_pcie_power_saving_levels), + "No pcie performance levels!", return -EINVAL); + + if (data->use_pcie_performance_levels && !data->use_pcie_power_saving_levels) { + data->pcie_gen_power_saving = data->pcie_gen_performance; + data->pcie_lane_power_saving = data->pcie_lane_performance; + } else if (!data->use_pcie_performance_levels && data->use_pcie_power_saving_levels) { + data->pcie_gen_performance = data->pcie_gen_power_saving; + data->pcie_lane_performance = data->pcie_lane_power_saving; + } + + iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.pcie_speed_table, SMU71_MAX_LEVELS_LINK); + + /* Hardcode Pcie Table */ + iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 0, + get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 1, + get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 2, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 3, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 4, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 5, + get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen), + get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane)); + data->dpm_table.pcie_speed_table.count = 6; + + return 0; + +} + + +/* + * This function is to initalize all DPM state tables for SMU7 based on the dependency table. + * Dynamic state patching function will then trim these state tables to the allowed range based + * on the power policy or external client requests, such as UVD request, etc. + */ +static int iceland_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint32_t i; + + struct phm_clock_voltage_dependency_table *allowed_vdd_sclk_table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + struct phm_clock_voltage_dependency_table *allowed_vdd_mclk_table = + hwmgr->dyn_state.vddc_dependency_on_mclk; + struct phm_cac_leakage_table *std_voltage_table = + hwmgr->dyn_state.cac_leakage_table; + + PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL, + "SCLK dependency table is missing. This table is mandatory", return -1); + PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table->count >= 1, + "SCLK dependency table has to have is missing. This table is mandatory", return -1); + + PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL, + "MCLK dependency table is missing. This table is mandatory", return -1); + PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table->count >= 1, + "VMCLK dependency table has to have is missing. This table is mandatory", return -1); + + /* clear the state table to reset everything to default */ + memset(&(data->dpm_table), 0x00, sizeof(data->dpm_table)); + iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.sclk_table, SMU71_MAX_LEVELS_GRAPHICS); + iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.mclk_table, SMU71_MAX_LEVELS_MEMORY); + iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.vddc_table, SMU71_MAX_LEVELS_VDDC); + iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.vdd_ci_table, SMU71_MAX_LEVELS_VDDCI); + iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.mvdd_table, SMU71_MAX_LEVELS_MVDD); + + PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL, + "SCLK dependency table is missing. This table is mandatory", return -1); + /* Initialize Sclk DPM table based on allow Sclk values*/ + data->dpm_table.sclk_table.count = 0; + + for (i = 0; i < allowed_vdd_sclk_table->count; i++) { + if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count-1].value != + allowed_vdd_sclk_table->entries[i].clk) { + data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value = + allowed_vdd_sclk_table->entries[i].clk; + data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; to do */ + data->dpm_table.sclk_table.count++; + } + } + + PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL, + "MCLK dependency table is missing. This table is mandatory", return -1); + /* Initialize Mclk DPM table based on allow Mclk values */ + data->dpm_table.mclk_table.count = 0; + for (i = 0; i < allowed_vdd_mclk_table->count; i++) { + if (i == 0 || data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count-1].value != + allowed_vdd_mclk_table->entries[i].clk) { + data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value = + allowed_vdd_mclk_table->entries[i].clk; + data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; */ + data->dpm_table.mclk_table.count++; + } + } + + /* Initialize Vddc DPM table based on allow Vddc values. And populate corresponding std values. */ + for (i = 0; i < allowed_vdd_sclk_table->count; i++) { + data->dpm_table.vddc_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v; + data->dpm_table.vddc_table.dpm_levels[i].param1 = std_voltage_table->entries[i].Leakage; + /* param1 is for corresponding std voltage */ + data->dpm_table.vddc_table.dpm_levels[i].enabled = 1; + } + + data->dpm_table.vddc_table.count = allowed_vdd_sclk_table->count; + allowed_vdd_mclk_table = hwmgr->dyn_state.vddci_dependency_on_mclk; + + if (NULL != allowed_vdd_mclk_table) { + /* Initialize Vddci DPM table based on allow Mclk values */ + for (i = 0; i < allowed_vdd_mclk_table->count; i++) { + data->dpm_table.vdd_ci_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v; + data->dpm_table.vdd_ci_table.dpm_levels[i].enabled = 1; + } + data->dpm_table.vdd_ci_table.count = allowed_vdd_mclk_table->count; + } + + allowed_vdd_mclk_table = hwmgr->dyn_state.mvdd_dependency_on_mclk; + + if (NULL != allowed_vdd_mclk_table) { + /* + * Initialize MVDD DPM table based on allow Mclk + * values + */ + for (i = 0; i < allowed_vdd_mclk_table->count; i++) { + data->dpm_table.mvdd_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v; + data->dpm_table.mvdd_table.dpm_levels[i].enabled = 1; + } + data->dpm_table.mvdd_table.count = allowed_vdd_mclk_table->count; + } + + /* setup PCIE gen speed levels*/ + iceland_setup_default_pcie_tables(hwmgr); + + /* save a copy of the default DPM table*/ + memcpy(&(data->golden_dpm_table), &(data->dpm_table), sizeof(struct iceland_dpm_table)); + + return 0; +} + +/** + * @brief PhwIceland_GetVoltageOrder + * Returns index of requested voltage record in lookup(table) + * @param hwmgr - pointer to hardware manager + * @param lookutab - lookup list to search in + * @param voltage - voltage to look for + * @return 0 on success + */ +uint8_t iceland_get_voltage_index(phm_ppt_v1_voltage_lookup_table *look_up_table, + uint16_t voltage) +{ + uint8_t count = (uint8_t) (look_up_table->count); + uint8_t i; + + PP_ASSERT_WITH_CODE((NULL != look_up_table), "Lookup Table empty.", return 0;); + PP_ASSERT_WITH_CODE((0 != count), "Lookup Table empty.", return 0;); + + for (i = 0; i < count; i++) { + /* find first voltage equal or bigger than requested */ + if (look_up_table->entries[i].us_vdd >= voltage) + return i; + } + + /* voltage is bigger than max voltage in the table */ + return i-1; +} + + +static int iceland_get_std_voltage_value_sidd(struct pp_hwmgr *hwmgr, + pp_atomctrl_voltage_table_entry *tab, uint16_t *hi, + uint16_t *lo) +{ + uint16_t v_index; + bool vol_found = false; + *hi = tab->value * VOLTAGE_SCALE; + *lo = tab->value * VOLTAGE_SCALE; + + /* SCLK/VDDC Dependency Table has to exist. */ + PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.vddc_dependency_on_sclk, + "The SCLK/VDDC Dependency Table does not exist.\n", + return -EINVAL); + + if (NULL == hwmgr->dyn_state.cac_leakage_table) { + pr_warning("CAC Leakage Table does not exist, using vddc.\n"); + return 0; + } + + /* + * Since voltage in the sclk/vddc dependency table is not + * necessarily in ascending order because of ELB voltage + * patching, loop through entire list to find exact voltage. + */ + for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) { + if (tab->value == hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) { + vol_found = true; + if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) { + *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE; + *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage * VOLTAGE_SCALE); + } else { + pr_warning("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index, using maximum index from CAC table.\n"); + *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE; + *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE); + } + break; + } + } + + /* + * If voltage is not found in the first pass, loop again to + * find the best match, equal or higher value. + */ + if (!vol_found) { + for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) { + if (tab->value <= hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) { + vol_found = true; + if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) { + *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE; + *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage) * VOLTAGE_SCALE; + } else { + pr_warning("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index in second look up, using maximum index from CAC table."); + *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE; + *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE); + } + break; + } + } + + if (!vol_found) + pr_warning("Unable to get std_vddc from SCLK/VDDC Dependency Table, using vddc.\n"); + } + + return 0; +} + +static int iceland_populate_smc_voltage_table(struct pp_hwmgr *hwmgr, + pp_atomctrl_voltage_table_entry *tab, + SMU71_Discrete_VoltageLevel *smc_voltage_tab) { + int result; + + + result = iceland_get_std_voltage_value_sidd(hwmgr, tab, + &smc_voltage_tab->StdVoltageHiSidd, + &smc_voltage_tab->StdVoltageLoSidd); + if (0 != result) { + smc_voltage_tab->StdVoltageHiSidd = tab->value * VOLTAGE_SCALE; + smc_voltage_tab->StdVoltageLoSidd = tab->value * VOLTAGE_SCALE; + } + + smc_voltage_tab->Voltage = PP_HOST_TO_SMC_US(tab->value * VOLTAGE_SCALE); + CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd); + CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd); + + return 0; +} + +/** + * Vddc table preparation for SMC. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ +static int iceland_populate_smc_vddc_table(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + unsigned int count; + int result; + + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + table->VddcLevelCount = data->vddc_voltage_table.count; + for (count = 0; count < table->VddcLevelCount; count++) { + result = iceland_populate_smc_voltage_table(hwmgr, + &data->vddc_voltage_table.entries[count], + &table->VddcLevel[count]); + PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDC voltage table", return -EINVAL); + + /* GPIO voltage control */ + if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control) + table->VddcLevel[count].Smio |= data->vddc_voltage_table.entries[count].smio_low; + else if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) + table->VddcLevel[count].Smio = 0; + } + + CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount); + + return 0; +} + +/** + * Vddci table preparation for SMC. + * + * @param *hwmgr The address of the hardware manager. + * @param *table The SMC DPM table structure to be populated. + * @return 0 + */ +static int iceland_populate_smc_vdd_ci_table(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + int result; + uint32_t count; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + table->VddciLevelCount = data->vddci_voltage_table.count; + for (count = 0; count < table->VddciLevelCount; count++) { + result = iceland_populate_smc_voltage_table(hwmgr, + &data->vddci_voltage_table.entries[count], + &table->VddciLevel[count]); + PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDCI voltage table", return -EINVAL); + + /* GPIO voltage control */ + if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) + table->VddciLevel[count].Smio |= data->vddci_voltage_table.entries[count].smio_low; + else + table->VddciLevel[count].Smio = 0; + } + + CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount); + + return 0; +} + +/** + * Mvdd table preparation for SMC. + * + * @param *hwmgr The address of the hardware manager. + * @param *table The SMC DPM table structure to be populated. + * @return 0 + */ +static int iceland_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + int result; + uint32_t count; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + table->MvddLevelCount = data->mvdd_voltage_table.count; + for (count = 0; count < table->MvddLevelCount; count++) { + result = iceland_populate_smc_voltage_table(hwmgr, + &data->mvdd_voltage_table.entries[count], + &table->MvddLevel[count]); + PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDCI voltage table", return -EINVAL); + + /* GPIO voltage control */ + if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) + table->MvddLevel[count].Smio |= data->mvdd_voltage_table.entries[count].smio_low; + else + table->MvddLevel[count].Smio = 0; + } + + CONVERT_FROM_HOST_TO_SMC_UL(table->MvddLevelCount); + + return 0; +} + +/** + * Convert a voltage value in mv unit to VID number required by SMU firmware + */ +static uint8_t convert_to_vid(uint16_t vddc) +{ + return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25); +} + +int iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr *hwmgr) +{ + int i; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint8_t * hi_vid = data->power_tune_table.BapmVddCVidHiSidd; + uint8_t * lo_vid = data->power_tune_table.BapmVddCVidLoSidd; + + PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.cac_leakage_table, + "The CAC Leakage table does not exist!", return -EINVAL); + PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count <= 8, + "There should never be more than 8 entries for BapmVddcVid!!!", return -EINVAL); + PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count == hwmgr->dyn_state.vddc_dependency_on_sclk->count, + "CACLeakageTable->count and VddcDependencyOnSCLk->count not equal", return -EINVAL); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_EVV)) { + for (i = 0; (uint32_t) i < hwmgr->dyn_state.cac_leakage_table->count; i++) { + lo_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc1); + hi_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc2); + } + } else { + PP_ASSERT_WITH_CODE(false, "Iceland should always support EVV", return -EINVAL); + } + + return 0; +} + +int iceland_populate_vddc_vid(struct pp_hwmgr *hwmgr) +{ + int i; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint8_t *vid = data->power_tune_table.VddCVid; + + PP_ASSERT_WITH_CODE(data->vddc_voltage_table.count <= 8, + "There should never be more than 8 entries for VddcVid!!!", + return -EINVAL); + + for (i = 0; i < (int)data->vddc_voltage_table.count; i++) { + vid[i] = convert_to_vid(data->vddc_voltage_table.entries[i].value); + } + + return 0; +} + +/** + * Preparation of voltage tables for SMC. + * + * @param hwmgr the address of the hardware manager + * @param table the SMC DPM table structure to be populated + * @return always 0 + */ + +int iceland_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + int result; + + result = iceland_populate_smc_vddc_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate VDDC voltage table to SMC", return -1); + + result = iceland_populate_smc_vdd_ci_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate VDDCI voltage table to SMC", return -1); + + result = iceland_populate_smc_mvdd_table(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "can not populate MVDD voltage table to SMC", return -1); + + return 0; +} + + +/** + * Re-generate the DPM level mask value + * @param hwmgr the address of the hardware manager + */ +static uint32_t iceland_get_dpm_level_enable_mask_value( + struct iceland_single_dpm_table * dpm_table) +{ + uint32_t i; + uint32_t mask_value = 0; + + for (i = dpm_table->count; i > 0; i--) { + mask_value = mask_value << 1; + + if (dpm_table->dpm_levels[i-1].enabled) + mask_value |= 0x1; + else + mask_value &= 0xFFFFFFFE; + } + return mask_value; +} + +int iceland_populate_memory_timing_parameters( + struct pp_hwmgr *hwmgr, + uint32_t engine_clock, + uint32_t memory_clock, + struct SMU71_Discrete_MCArbDramTimingTableEntry *arb_regs + ) +{ + uint32_t dramTiming; + uint32_t dramTiming2; + uint32_t burstTime; + int result; + + result = atomctrl_set_engine_dram_timings_rv770(hwmgr, + engine_clock, memory_clock); + + PP_ASSERT_WITH_CODE(result == 0, + "Error calling VBIOS to set DRAM_TIMING.", return result); + + dramTiming = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING); + dramTiming2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2); + burstTime = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0); + + arb_regs->McArbDramTiming = PP_HOST_TO_SMC_UL(dramTiming); + arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dramTiming2); + arb_regs->McArbBurstTime = (uint8_t)burstTime; + + return 0; +} + +/** + * Setup parameters for the MC ARB. + * + * @param hwmgr the address of the powerplay hardware manager. + * @return always 0 + * This function is to be called from the SetPowerState table. + */ +int iceland_program_memory_timing_parameters(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + int result = 0; + SMU71_Discrete_MCArbDramTimingTable arb_regs; + uint32_t i, j; + + memset(&arb_regs, 0x00, sizeof(SMU71_Discrete_MCArbDramTimingTable)); + + for (i = 0; i < data->dpm_table.sclk_table.count; i++) { + for (j = 0; j < data->dpm_table.mclk_table.count; j++) { + result = iceland_populate_memory_timing_parameters + (hwmgr, data->dpm_table.sclk_table.dpm_levels[i].value, + data->dpm_table.mclk_table.dpm_levels[j].value, + &arb_regs.entries[i][j]); + + if (0 != result) { + break; + } + } + } + + if (0 == result) { + result = iceland_copy_bytes_to_smc( + hwmgr->smumgr, + data->arb_table_start, + (uint8_t *)&arb_regs, + sizeof(SMU71_Discrete_MCArbDramTimingTable), + data->sram_end + ); + } + + return result; +} + +static int iceland_populate_smc_link_level(struct pp_hwmgr *hwmgr, SMU71_Discrete_DpmTable *table) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + struct iceland_dpm_table *dpm_table = &data->dpm_table; + uint32_t i; + + /* Index (dpm_table->pcie_speed_table.count) is reserved for PCIE boot level. */ + for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) { + table->LinkLevel[i].PcieGenSpeed = + (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value; + table->LinkLevel[i].PcieLaneCount = + (uint8_t)encode_pcie_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1); + table->LinkLevel[i].EnabledForActivity = + 1; + table->LinkLevel[i].SPC = + (uint8_t)(data->pcie_spc_cap & 0xff); + table->LinkLevel[i].DownThreshold = + PP_HOST_TO_SMC_UL(5); + table->LinkLevel[i].UpThreshold = + PP_HOST_TO_SMC_UL(30); + } + + data->smc_state_table.LinkLevelCount = + (uint8_t)dpm_table->pcie_speed_table.count; + data->dpm_level_enable_mask.pcie_dpm_enable_mask = + iceland_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table); + + return 0; +} + +static int iceland_populate_smc_uvd_level(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + return 0; +} + +uint8_t iceland_get_voltage_id(pp_atomctrl_voltage_table *voltage_table, + uint32_t voltage) +{ + uint8_t count = (uint8_t) (voltage_table->count); + uint8_t i = 0; + + PP_ASSERT_WITH_CODE((NULL != voltage_table), + "Voltage Table empty.", return 0;); + PP_ASSERT_WITH_CODE((0 != count), + "Voltage Table empty.", return 0;); + + for (i = 0; i < count; i++) { + /* find first voltage bigger than requested */ + if (voltage_table->entries[i].value >= voltage) + return i; + } + + /* voltage is bigger than max voltage in the table */ + return i - 1; +} + +static int iceland_populate_smc_vce_level(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + return 0; +} + +static int iceland_populate_smc_acp_level(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + return 0; +} + +static int iceland_populate_smc_samu_level(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + return 0; +} + + +static int iceland_populate_smc_svi2_config(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *tab) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + if(ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) + tab->SVI2Enable |= VDDC_ON_SVI2; + + if(ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) + tab->SVI2Enable |= VDDCI_ON_SVI2; + else + tab->MergedVddci = 1; + + if(ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) + tab->SVI2Enable |= MVDD_ON_SVI2; + + PP_ASSERT_WITH_CODE( tab->SVI2Enable != (VDDC_ON_SVI2 | VDDCI_ON_SVI2 | MVDD_ON_SVI2) && + (tab->SVI2Enable & VDDC_ON_SVI2), "SVI2 domain configuration is incorrect!", return -EINVAL); + + return 0; +} + +static int iceland_get_dependecy_volt_by_clk(struct pp_hwmgr *hwmgr, + struct phm_clock_voltage_dependency_table *allowed_clock_voltage_table, + uint32_t clock, uint32_t *vol) +{ + uint32_t i = 0; + + /* clock - voltage dependency table is empty table */ + if (allowed_clock_voltage_table->count == 0) + return -EINVAL; + + for (i = 0; i < allowed_clock_voltage_table->count; i++) { + /* find first sclk bigger than request */ + if (allowed_clock_voltage_table->entries[i].clk >= clock) { + *vol = allowed_clock_voltage_table->entries[i].v; + return 0; + } + } + + /* sclk is bigger than max sclk in the dependence table */ + *vol = allowed_clock_voltage_table->entries[i - 1].v; + + return 0; +} + +static uint8_t iceland_get_mclk_frequency_ratio(uint32_t memory_clock, + bool strobe_mode) +{ + uint8_t mc_para_index; + + if (strobe_mode) { + if (memory_clock < 12500) { + mc_para_index = 0x00; + } else if (memory_clock > 47500) { + mc_para_index = 0x0f; + } else { + mc_para_index = (uint8_t)((memory_clock - 10000) / 2500); + } + } else { + if (memory_clock < 65000) { + mc_para_index = 0x00; + } else if (memory_clock > 135000) { + mc_para_index = 0x0f; + } else { + mc_para_index = (uint8_t)((memory_clock - 60000) / 5000); + } + } + + return mc_para_index; +} + +static uint8_t iceland_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock) +{ + uint8_t mc_para_index; + + if (memory_clock < 10000) { + mc_para_index = 0; + } else if (memory_clock >= 80000) { + mc_para_index = 0x0f; + } else { + mc_para_index = (uint8_t)((memory_clock - 10000) / 5000 + 1); + } + + return mc_para_index; +} + +static int iceland_populate_phase_value_based_on_sclk(struct pp_hwmgr *hwmgr, const struct phm_phase_shedding_limits_table *pl, + uint32_t sclk, uint32_t *p_shed) +{ + unsigned int i; + + /* use the minimum phase shedding */ + *p_shed = 1; + + /* + * PPGen ensures the phase shedding limits table is sorted + * from lowest voltage/sclk/mclk to highest voltage/sclk/mclk. + * VBIOS ensures the phase shedding masks table is sorted from + * least phases enabled (phase shedding on) to most phases + * enabled (phase shedding off). + */ + for (i = 0; i < pl->count; i++) { + if (sclk < pl->entries[i].Sclk) { + /* Enable phase shedding */ + *p_shed = i; + break; + } + } + + return 0; +} + +static int iceland_populate_phase_value_based_on_mclk(struct pp_hwmgr *hwmgr, const struct phm_phase_shedding_limits_table *pl, + uint32_t memory_clock, uint32_t *p_shed) +{ + unsigned int i; + + /* use the minimum phase shedding */ + *p_shed = 1; + + /* + * PPGen ensures the phase shedding limits table is sorted + * from lowest voltage/sclk/mclk to highest voltage/sclk/mclk. + * VBIOS ensures the phase shedding masks table is sorted from + * least phases enabled (phase shedding on) to most phases + * enabled (phase shedding off). + */ + for (i = 0; i < pl->count; i++) { + if (memory_clock < pl->entries[i].Mclk) { + /* Enable phase shedding */ + *p_shed = i; + break; + } + } + + return 0; +} + +/** + * Populates the SMC MCLK structure using the provided memory clock + * + * @param hwmgr the address of the hardware manager + * @param memory_clock the memory clock to use to populate the structure + * @param sclk the SMC SCLK structure to be populated + */ +static int iceland_calculate_mclk_params( + struct pp_hwmgr *hwmgr, + uint32_t memory_clock, + SMU71_Discrete_MemoryLevel *mclk, + bool strobe_mode, + bool dllStateOn + ) +{ + const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint32_t dll_cntl = data->clock_registers.vDLL_CNTL; + uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL; + uint32_t mpll_ad_func_cntl = data->clock_registers.vMPLL_AD_FUNC_CNTL; + uint32_t mpll_dq_func_cntl = data->clock_registers.vMPLL_DQ_FUNC_CNTL; + uint32_t mpll_func_cntl = data->clock_registers.vMPLL_FUNC_CNTL; + uint32_t mpll_func_cntl_1 = data->clock_registers.vMPLL_FUNC_CNTL_1; + uint32_t mpll_func_cntl_2 = data->clock_registers.vMPLL_FUNC_CNTL_2; + uint32_t mpll_ss1 = data->clock_registers.vMPLL_SS1; + uint32_t mpll_ss2 = data->clock_registers.vMPLL_SS2; + + pp_atomctrl_memory_clock_param mpll_param; + int result; + + result = atomctrl_get_memory_pll_dividers_si(hwmgr, + memory_clock, &mpll_param, strobe_mode); + PP_ASSERT_WITH_CODE(0 == result, + "Error retrieving Memory Clock Parameters from VBIOS.", return result); + + /* MPLL_FUNC_CNTL setup*/ + mpll_func_cntl = PHM_SET_FIELD(mpll_func_cntl, MPLL_FUNC_CNTL, BWCTRL, mpll_param.bw_ctrl); + + /* MPLL_FUNC_CNTL_1 setup*/ + mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1, + MPLL_FUNC_CNTL_1, CLKF, mpll_param.mpll_fb_divider.cl_kf); + mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1, + MPLL_FUNC_CNTL_1, CLKFRAC, mpll_param.mpll_fb_divider.clk_frac); + mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1, + MPLL_FUNC_CNTL_1, VCO_MODE, mpll_param.vco_mode); + + /* MPLL_AD_FUNC_CNTL setup*/ + mpll_ad_func_cntl = PHM_SET_FIELD(mpll_ad_func_cntl, + MPLL_AD_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider); + + if (data->is_memory_GDDR5) { + /* MPLL_DQ_FUNC_CNTL setup*/ + mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl, + MPLL_DQ_FUNC_CNTL, YCLK_SEL, mpll_param.yclk_sel); + mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl, + MPLL_DQ_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MemorySpreadSpectrumSupport)) { + /* + ************************************ + Fref = Reference Frequency + NF = Feedback divider ratio + NR = Reference divider ratio + Fnom = Nominal VCO output frequency = Fref * NF / NR + Fs = Spreading Rate + D = Percentage down-spread / 2 + Fint = Reference input frequency to PFD = Fref / NR + NS = Spreading rate divider ratio = int(Fint / (2 * Fs)) + CLKS = NS - 1 = ISS_STEP_NUM[11:0] + NV = D * Fs / Fnom * 4 * ((Fnom/Fref * NR) ^ 2) + CLKV = 65536 * NV = ISS_STEP_SIZE[25:0] + ************************************* + */ + pp_atomctrl_internal_ss_info ss_info; + uint32_t freq_nom; + uint32_t tmp; + uint32_t reference_clock = atomctrl_get_mpll_reference_clock(hwmgr); + + /* for GDDR5 for all modes and DDR3 */ + if (1 == mpll_param.qdr) + freq_nom = memory_clock * 4 * (1 << mpll_param.mpll_post_divider); + else + freq_nom = memory_clock * 2 * (1 << mpll_param.mpll_post_divider); + + /* tmp = (freq_nom / reference_clock * reference_divider) ^ 2 Note: S.I. reference_divider = 1*/ + tmp = (freq_nom / reference_clock); + tmp = tmp * tmp; + + if (0 == atomctrl_get_memory_clock_spread_spectrum(hwmgr, freq_nom, &ss_info)) { + /* ss_info.speed_spectrum_percentage -- in unit of 0.01% */ + /* ss.Info.speed_spectrum_rate -- in unit of khz */ + /* CLKS = reference_clock / (2 * speed_spectrum_rate * reference_divider) * 10 */ + /* = reference_clock * 5 / speed_spectrum_rate */ + uint32_t clks = reference_clock * 5 / ss_info.speed_spectrum_rate; + + /* CLKV = 65536 * speed_spectrum_percentage / 2 * spreadSpecrumRate / freq_nom * 4 / 100000 * ((freq_nom / reference_clock) ^ 2) */ + /* = 131 * speed_spectrum_percentage * speed_spectrum_rate / 100 * ((freq_nom / reference_clock) ^ 2) / freq_nom */ + uint32_t clkv = + (uint32_t)((((131 * ss_info.speed_spectrum_percentage * + ss_info.speed_spectrum_rate) / 100) * tmp) / freq_nom); + + mpll_ss1 = PHM_SET_FIELD(mpll_ss1, MPLL_SS1, CLKV, clkv); + mpll_ss2 = PHM_SET_FIELD(mpll_ss2, MPLL_SS2, CLKS, clks); + } + } + + /* MCLK_PWRMGT_CNTL setup */ + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, DLL_SPEED, mpll_param.dll_speed); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK0_PDNB, dllStateOn); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK1_PDNB, dllStateOn); + + + /* Save the result data to outpupt memory level structure */ + mclk->MclkFrequency = memory_clock; + mclk->MpllFuncCntl = mpll_func_cntl; + mclk->MpllFuncCntl_1 = mpll_func_cntl_1; + mclk->MpllFuncCntl_2 = mpll_func_cntl_2; + mclk->MpllAdFuncCntl = mpll_ad_func_cntl; + mclk->MpllDqFuncCntl = mpll_dq_func_cntl; + mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl; + mclk->DllCntl = dll_cntl; + mclk->MpllSs1 = mpll_ss1; + mclk->MpllSs2 = mpll_ss2; + + return 0; +} + +static int iceland_populate_single_memory_level( + struct pp_hwmgr *hwmgr, + uint32_t memory_clock, + SMU71_Discrete_MemoryLevel *memory_level + ) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + int result = 0; + bool dllStateOn; + struct cgs_display_info info = {0}; + + + if (NULL != hwmgr->dyn_state.vddc_dependency_on_mclk) { + result = iceland_get_dependecy_volt_by_clk(hwmgr, + hwmgr->dyn_state.vddc_dependency_on_mclk, memory_clock, &memory_level->MinVddc); + PP_ASSERT_WITH_CODE((0 == result), + "can not find MinVddc voltage value from memory VDDC voltage dependency table", return result); + } + + if (data->vdd_ci_control == ICELAND_VOLTAGE_CONTROL_NONE) { + memory_level->MinVddci = memory_level->MinVddc; + } else if (NULL != hwmgr->dyn_state.vddci_dependency_on_mclk) { + result = iceland_get_dependecy_volt_by_clk(hwmgr, + hwmgr->dyn_state.vddci_dependency_on_mclk, + memory_clock, + &memory_level->MinVddci); + PP_ASSERT_WITH_CODE((0 == result), + "can not find MinVddci voltage value from memory VDDCI voltage dependency table", return result); + } + + if (NULL != hwmgr->dyn_state.mvdd_dependency_on_mclk) { + result = iceland_get_dependecy_volt_by_clk(hwmgr, + hwmgr->dyn_state.mvdd_dependency_on_mclk, memory_clock, &memory_level->MinMvdd); + PP_ASSERT_WITH_CODE((0 == result), + "can not find MinMVDD voltage value from memory MVDD voltage dependency table", return result); + } + + memory_level->MinVddcPhases = 1; + + if (data->vddc_phase_shed_control) { + iceland_populate_phase_value_based_on_mclk(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table, + memory_clock, &memory_level->MinVddcPhases); + } + + memory_level->EnabledForThrottle = 1; + memory_level->EnabledForActivity = 1; + memory_level->UpHyst = 0; + memory_level->DownHyst = 100; + memory_level->VoltageDownHyst = 0; + + /* Indicates maximum activity level for this performance level.*/ + memory_level->ActivityLevel = (uint16_t)data->mclk_activity_target; + memory_level->StutterEnable = 0; + memory_level->StrobeEnable = 0; + memory_level->EdcReadEnable = 0; + memory_level->EdcWriteEnable = 0; + memory_level->RttEnable = 0; + + /* default set to low watermark. Highest level will be set to high later.*/ + memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + + cgs_get_active_displays_info(hwmgr->device, &info); + data->display_timing.num_existing_displays = info.display_count; + + //if ((data->mclk_stutter_mode_threshold != 0) && + // (memory_clock <= data->mclk_stutter_mode_threshold) && + // (data->is_uvd_enabled == 0) + // && (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, STUTTER_ENABLE) & 0x1) + // && (data->display_timing.num_existing_displays <= 2) + // && (data->display_timing.num_existing_displays != 0)) + // memory_level->StutterEnable = 1; + + /* decide strobe mode*/ + memory_level->StrobeEnable = (data->mclk_strobe_mode_threshold != 0) && + (memory_clock <= data->mclk_strobe_mode_threshold); + + /* decide EDC mode and memory clock ratio*/ + if (data->is_memory_GDDR5) { + memory_level->StrobeRatio = iceland_get_mclk_frequency_ratio(memory_clock, + memory_level->StrobeEnable); + + if ((data->mclk_edc_enable_threshold != 0) && + (memory_clock > data->mclk_edc_enable_threshold)) { + memory_level->EdcReadEnable = 1; + } + + if ((data->mclk_edc_wr_enable_threshold != 0) && + (memory_clock > data->mclk_edc_wr_enable_threshold)) { + memory_level->EdcWriteEnable = 1; + } + + if (memory_level->StrobeEnable) { + if (iceland_get_mclk_frequency_ratio(memory_clock, 1) >= + ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC7) >> 16) & 0xf)) { + dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0; + } else { + dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC6) >> 1) & 0x1) ? 1 : 0; + } + + } else { + dllStateOn = data->dll_defaule_on; + } + } else { + memory_level->StrobeRatio = + iceland_get_ddr3_mclk_frequency_ratio(memory_clock); + dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0; + } + + result = iceland_calculate_mclk_params(hwmgr, + memory_clock, memory_level, memory_level->StrobeEnable, dllStateOn); + + if (0 == result) { + memory_level->MinVddc = PP_HOST_TO_SMC_UL(memory_level->MinVddc * VOLTAGE_SCALE); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MinVddcPhases); + memory_level->MinVddci = PP_HOST_TO_SMC_UL(memory_level->MinVddci * VOLTAGE_SCALE); + memory_level->MinMvdd = PP_HOST_TO_SMC_UL(memory_level->MinMvdd * VOLTAGE_SCALE); + /* MCLK frequency in units of 10KHz*/ + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkFrequency); + /* Indicates maximum activity level for this performance level.*/ + CONVERT_FROM_HOST_TO_SMC_US(memory_level->ActivityLevel); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_1); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_2); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllAdFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllDqFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkPwrmgtCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->DllCntl); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs1); + CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs2); + } + + return result; +} + +/** + * Populates the SMC MVDD structure using the provided memory clock. + * + * @param hwmgr the address of the hardware manager + * @param mclk the MCLK value to be used in the decision if MVDD should be high or low. + * @param voltage the SMC VOLTAGE structure to be populated + */ +int iceland_populate_mvdd_value(struct pp_hwmgr *hwmgr, uint32_t mclk, SMU71_Discrete_VoltageLevel *voltage) +{ + const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint32_t i = 0; + + if (ICELAND_VOLTAGE_CONTROL_NONE != data->mvdd_control) { + /* find mvdd value which clock is more than request */ + for (i = 0; i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count; i++) { + if (mclk <= hwmgr->dyn_state.mvdd_dependency_on_mclk->entries[i].clk) { + /* Always round to higher voltage. */ + voltage->Voltage = data->mvdd_voltage_table.entries[i].value; + break; + } + } + + PP_ASSERT_WITH_CODE(i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count, + "MVDD Voltage is outside the supported range.", return -1); + + } else { + return -1; + } + + return 0; +} + + +static int iceland_populate_smc_acpi_level(struct pp_hwmgr *hwmgr, + SMU71_Discrete_DpmTable *table) +{ + int result = 0; + const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + pp_atomctrl_clock_dividers_vi dividers; + SMU71_Discrete_VoltageLevel voltage_level; + uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL; + uint32_t spll_func_cntl_2 = data->clock_registers.vCG_SPLL_FUNC_CNTL_2; + uint32_t dll_cntl = data->clock_registers.vDLL_CNTL; + uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL; + + /* The ACPI state should not do DPM on DC (or ever).*/ + table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC; + + if (data->acpi_vddc) + table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->acpi_vddc * VOLTAGE_SCALE); + else + table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->min_vddc_in_pp_table * VOLTAGE_SCALE); + + table->ACPILevel.MinVddcPhases = (data->vddc_phase_shed_control) ? 0 : 1; + + /* assign zero for now*/ + table->ACPILevel.SclkFrequency = atomctrl_get_reference_clock(hwmgr); + + /* get the engine clock dividers for this clock value*/ + result = atomctrl_get_engine_pll_dividers_vi(hwmgr, + table->ACPILevel.SclkFrequency, ÷rs); + + PP_ASSERT_WITH_CODE(result == 0, + "Error retrieving Engine Clock dividers from VBIOS.", return result); + + /* divider ID for required SCLK*/ + table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider; + table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + table->ACPILevel.DeepSleepDivId = 0; + + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_PWRON, 0); + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_RESET, 1); + spll_func_cntl_2 = PHM_SET_FIELD(spll_func_cntl_2, + CG_SPLL_FUNC_CNTL_2, SCLK_MUX_SEL, 4); + + table->ACPILevel.CgSpllFuncCntl = spll_func_cntl; + table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2; + table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3; + table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4; + table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM; + table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2; + table->ACPILevel.CcPwrDynRm = 0; + table->ACPILevel.CcPwrDynRm1 = 0; + + + /* For various features to be enabled/disabled while this level is active.*/ + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags); + /* SCLK frequency in units of 10KHz*/ + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1); + + table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc; + table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases; + + /* CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MinVoltage);*/ + + if (0 == iceland_populate_mvdd_value(hwmgr, 0, &voltage_level)) + table->MemoryACPILevel.MinMvdd = + PP_HOST_TO_SMC_UL(voltage_level.Voltage * VOLTAGE_SCALE); + else + table->MemoryACPILevel.MinMvdd = 0; + + /* Force reset on DLL*/ + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK0_RESET, 0x1); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK1_RESET, 0x1); + + /* Disable DLL in ACPIState*/ + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK0_PDNB, 0); + mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl, + MCLK_PWRMGT_CNTL, MRDCK1_PDNB, 0); + + /* Enable DLL bypass signal*/ + dll_cntl = PHM_SET_FIELD(dll_cntl, + DLL_CNTL, MRDCK0_BYPASS, 0); + dll_cntl = PHM_SET_FIELD(dll_cntl, + DLL_CNTL, MRDCK1_BYPASS, 0); + + table->MemoryACPILevel.DllCntl = + PP_HOST_TO_SMC_UL(dll_cntl); + table->MemoryACPILevel.MclkPwrmgtCntl = + PP_HOST_TO_SMC_UL(mclk_pwrmgt_cntl); + table->MemoryACPILevel.MpllAdFuncCntl = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_AD_FUNC_CNTL); + table->MemoryACPILevel.MpllDqFuncCntl = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_DQ_FUNC_CNTL); + table->MemoryACPILevel.MpllFuncCntl = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL); + table->MemoryACPILevel.MpllFuncCntl_1 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_1); + table->MemoryACPILevel.MpllFuncCntl_2 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_2); + table->MemoryACPILevel.MpllSs1 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS1); + table->MemoryACPILevel.MpllSs2 = + PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS2); + + table->MemoryACPILevel.EnabledForThrottle = 0; + table->MemoryACPILevel.EnabledForActivity = 0; + table->MemoryACPILevel.UpHyst = 0; + table->MemoryACPILevel.DownHyst = 100; + table->MemoryACPILevel.VoltageDownHyst = 0; + /* Indicates maximum activity level for this performance level.*/ + table->MemoryACPILevel.ActivityLevel = PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target); + + table->MemoryACPILevel.StutterEnable = 0; + table->MemoryACPILevel.StrobeEnable = 0; + table->MemoryACPILevel.EdcReadEnable = 0; + table->MemoryACPILevel.EdcWriteEnable = 0; + table->MemoryACPILevel.RttEnable = 0; + + return result; +} + +static int iceland_find_boot_level(struct iceland_single_dpm_table *table, uint32_t value, uint32_t *boot_level) +{ + int result = 0; + uint32_t i; + + for (i = 0; i < table->count; i++) { + if (value == table->dpm_levels[i].value) { + *boot_level = i; + result = 0; + } + } + return result; +} + +/** + * Calculates the SCLK dividers using the provided engine clock + * + * @param hwmgr the address of the hardware manager + * @param engine_clock the engine clock to use to populate the structure + * @param sclk the SMC SCLK structure to be populated + */ +int iceland_calculate_sclk_params(struct pp_hwmgr *hwmgr, + uint32_t engine_clock, SMU71_Discrete_GraphicsLevel *sclk) +{ + const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + pp_atomctrl_clock_dividers_vi dividers; + uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL; + uint32_t spll_func_cntl_3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3; + uint32_t spll_func_cntl_4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4; + uint32_t cg_spll_spread_spectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM; + uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2; + uint32_t reference_clock; + uint32_t reference_divider; + uint32_t fbdiv; + int result; + + /* get the engine clock dividers for this clock value*/ + result = atomctrl_get_engine_pll_dividers_vi(hwmgr, engine_clock, ÷rs); + + PP_ASSERT_WITH_CODE(result == 0, + "Error retrieving Engine Clock dividers from VBIOS.", return result); + + /* To get FBDIV we need to multiply this by 16384 and divide it by Fref.*/ + reference_clock = atomctrl_get_reference_clock(hwmgr); + + reference_divider = 1 + dividers.uc_pll_ref_div; + + /* low 14 bits is fraction and high 12 bits is divider*/ + fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF; + + /* SPLL_FUNC_CNTL setup*/ + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_REF_DIV, dividers.uc_pll_ref_div); + spll_func_cntl = PHM_SET_FIELD(spll_func_cntl, + CG_SPLL_FUNC_CNTL, SPLL_PDIV_A, dividers.uc_pll_post_div); + + /* SPLL_FUNC_CNTL_3 setup*/ + spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3, + CG_SPLL_FUNC_CNTL_3, SPLL_FB_DIV, fbdiv); + + /* set to use fractional accumulation*/ + spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3, + CG_SPLL_FUNC_CNTL_3, SPLL_DITHEN, 1); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EngineSpreadSpectrumSupport)) { + pp_atomctrl_internal_ss_info ss_info; + + uint32_t vcoFreq = engine_clock * dividers.uc_pll_post_div; + if (0 == atomctrl_get_engine_clock_spread_spectrum(hwmgr, vcoFreq, &ss_info)) { + /* + * ss_info.speed_spectrum_percentage -- in unit of 0.01% + * ss_info.speed_spectrum_rate -- in unit of khz + */ + /* clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 */ + uint32_t clkS = reference_clock * 5 / (reference_divider * ss_info.speed_spectrum_rate); + + /* clkv = 2 * D * fbdiv / NS */ + uint32_t clkV = 4 * ss_info.speed_spectrum_percentage * fbdiv / (clkS * 10000); + + cg_spll_spread_spectrum = + PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, CLKS, clkS); + cg_spll_spread_spectrum = + PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, SSEN, 1); + cg_spll_spread_spectrum_2 = + PHM_SET_FIELD(cg_spll_spread_spectrum_2, CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clkV); + } + } + + sclk->SclkFrequency = engine_clock; + sclk->CgSpllFuncCntl3 = spll_func_cntl_3; + sclk->CgSpllFuncCntl4 = spll_func_cntl_4; + sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum; + sclk->SpllSpreadSpectrum2 = cg_spll_spread_spectrum_2; + sclk->SclkDid = (uint8_t)dividers.pll_post_divider; + + return 0; +} + +static uint8_t iceland_get_sleep_divider_id_from_clock(struct pp_hwmgr *hwmgr, + uint32_t engine_clock, uint32_t min_engine_clock_in_sr) +{ + uint32_t i, temp; + uint32_t min = (min_engine_clock_in_sr > ICELAND_MINIMUM_ENGINE_CLOCK) ? + min_engine_clock_in_sr : ICELAND_MINIMUM_ENGINE_CLOCK; + + PP_ASSERT_WITH_CODE((engine_clock >= min), + "Engine clock can't satisfy stutter requirement!", return 0); + + for (i = ICELAND_MAX_DEEPSLEEP_DIVIDER_ID;; i--) { + temp = engine_clock / (1 << i); + + if(temp >= min || i == 0) + break; + } + return (uint8_t)i; +} + +/** + * Populates single SMC SCLK structure using the provided engine clock + * + * @param hwmgr the address of the hardware manager + * @param engine_clock the engine clock to use to populate the structure + * @param sclk the SMC SCLK structure to be populated + */ +static int iceland_populate_single_graphic_level(struct pp_hwmgr *hwmgr, + uint32_t engine_clock, uint16_t sclk_activity_level_threshold, + SMU71_Discrete_GraphicsLevel *graphic_level) +{ + int result; + uint32_t threshold; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + result = iceland_calculate_sclk_params(hwmgr, engine_clock, graphic_level); + + + /* populate graphics levels*/ + result = iceland_get_dependecy_volt_by_clk(hwmgr, + hwmgr->dyn_state.vddc_dependency_on_sclk, engine_clock, &graphic_level->MinVddc); + PP_ASSERT_WITH_CODE((0 == result), + "can not find VDDC voltage value for VDDC engine clock dependency table", return result); + + /* SCLK frequency in units of 10KHz*/ + graphic_level->SclkFrequency = engine_clock; + + /* + * Minimum VDDC phases required to support this level, it + * should get from dependence table. + */ + graphic_level->MinVddcPhases = 1; + + if (data->vddc_phase_shed_control) { + iceland_populate_phase_value_based_on_sclk(hwmgr, + hwmgr->dyn_state.vddc_phase_shed_limits_table, + engine_clock, + &graphic_level->MinVddcPhases); + } + + /* Indicates maximum activity level for this performance level. 50% for now*/ + graphic_level->ActivityLevel = sclk_activity_level_threshold; + + graphic_level->CcPwrDynRm = 0; + graphic_level->CcPwrDynRm1 = 0; + /* this level can be used if activity is high enough.*/ + graphic_level->EnabledForActivity = 1; + /* this level can be used for throttling.*/ + graphic_level->EnabledForThrottle = 1; + graphic_level->UpHyst = 0; + graphic_level->DownHyst = 100; + graphic_level->VoltageDownHyst = 0; + graphic_level->PowerThrottle = 0; + + threshold = engine_clock * data->fast_watermark_threshold / 100; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep)) { + graphic_level->DeepSleepDivId = + iceland_get_sleep_divider_id_from_clock(hwmgr, engine_clock, + data->display_timing.min_clock_insr); + } + + /* Default to slow, highest DPM level will be set to PPSMC_DISPLAY_WATERMARK_LOW later.*/ + graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; + + if (0 == result) { + graphic_level->MinVddc = PP_HOST_TO_SMC_UL(graphic_level->MinVddc * VOLTAGE_SCALE); + /* CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVoltage);*/ + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVddcPhases); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SclkFrequency); + CONVERT_FROM_HOST_TO_SMC_US(graphic_level->ActivityLevel); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl3); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl4); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum2); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm1); + } + + return result; +} + +/** + * Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states + * + * @param hwmgr the address of the hardware manager + */ +static int iceland_populate_all_graphic_levels(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + struct iceland_dpm_table *dpm_table = &data->dpm_table; + int result = 0; + uint32_t level_array_adress = data->dpm_table_start + + offsetof(SMU71_Discrete_DpmTable, GraphicsLevel); + + uint32_t level_array_size = sizeof(SMU71_Discrete_GraphicsLevel) * SMU71_MAX_LEVELS_GRAPHICS; + SMU71_Discrete_GraphicsLevel *levels = data->smc_state_table.GraphicsLevel; + uint32_t i; + uint8_t highest_pcie_level_enabled = 0, lowest_pcie_level_enabled = 0, mid_pcie_level_enabled = 0, count = 0; + memset(levels, 0x00, level_array_size); + + for (i = 0; i < dpm_table->sclk_table.count; i++) { + result = iceland_populate_single_graphic_level(hwmgr, + dpm_table->sclk_table.dpm_levels[i].value, + (uint16_t)data->activity_target[i], + &(data->smc_state_table.GraphicsLevel[i])); + if (0 != result) + return result; + + /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */ + if (i > 1) + data->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0; + } + + /* set highest level watermark to high */ + if (dpm_table->sclk_table.count > 1) + data->smc_state_table.GraphicsLevel[dpm_table->sclk_table.count-1].DisplayWatermark = + PPSMC_DISPLAY_WATERMARK_HIGH; + + data->smc_state_table.GraphicsDpmLevelCount = + (uint8_t)dpm_table->sclk_table.count; + data->dpm_level_enable_mask.sclk_dpm_enable_mask = + iceland_get_dpm_level_enable_mask_value(&dpm_table->sclk_table); + + while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1 << (highest_pcie_level_enabled + 1))) != 0) { + highest_pcie_level_enabled++; + } + + while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1 << lowest_pcie_level_enabled)) == 0) { + lowest_pcie_level_enabled++; + } + + while ((count < highest_pcie_level_enabled) && + ((data->dpm_level_enable_mask.pcie_dpm_enable_mask & + (1 << (lowest_pcie_level_enabled + 1 + count))) == 0)) { + count++; + } + + mid_pcie_level_enabled = (lowest_pcie_level_enabled+1+count) < highest_pcie_level_enabled ? + (lowest_pcie_level_enabled + 1 + count) : highest_pcie_level_enabled; + + /* set pcieDpmLevel to highest_pcie_level_enabled*/ + for (i = 2; i < dpm_table->sclk_table.count; i++) { + data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = highest_pcie_level_enabled; + } + + /* set pcieDpmLevel to lowest_pcie_level_enabled*/ + data->smc_state_table.GraphicsLevel[0].pcieDpmLevel = lowest_pcie_level_enabled; + + /* set pcieDpmLevel to mid_pcie_level_enabled*/ + data->smc_state_table.GraphicsLevel[1].pcieDpmLevel = mid_pcie_level_enabled; + + for (i = 0; i < dpm_table->sclk_table.count; i++) + + /* level count will send to smc once at init smc table and never change*/ + result = iceland_copy_bytes_to_smc(hwmgr->smumgr, level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end); + + if (0 != result) + return result; + + return 0; +} + +/** + * Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states + * + * @param hwmgr the address of the hardware manager + */ + +static int iceland_populate_all_memory_levels(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + struct iceland_dpm_table *dpm_table = &data->dpm_table; + int result; + /* populate MCLK dpm table to SMU7 */ + uint32_t level_array_adress = data->dpm_table_start + offsetof(SMU71_Discrete_DpmTable, MemoryLevel); + uint32_t level_array_size = sizeof(SMU71_Discrete_MemoryLevel) * SMU71_MAX_LEVELS_MEMORY; + SMU71_Discrete_MemoryLevel *levels = data->smc_state_table.MemoryLevel; + uint32_t i; + + memset(levels, 0x00, level_array_size); + + for (i = 0; i < dpm_table->mclk_table.count; i++) { + PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value), + "can not populate memory level as memory clock is zero", return -1); + result = iceland_populate_single_memory_level(hwmgr, dpm_table->mclk_table.dpm_levels[i].value, + &(data->smc_state_table.MemoryLevel[i])); + if (0 != result) { + return result; + } + } + + /* Only enable level 0 for now.*/ + data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1; + + /* + * in order to prevent MC activity from stutter mode to push DPM up. + * the UVD change complements this by putting the MCLK in a higher state + * by default such that we are not effected by up threshold or and MCLK DPM latency. + */ + data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F; + CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table.MemoryLevel[0].ActivityLevel); + + data->smc_state_table.MemoryDpmLevelCount = (uint8_t)dpm_table->mclk_table.count; + data->dpm_level_enable_mask.mclk_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&dpm_table->mclk_table); + /* set highest level watermark to high*/ + data->smc_state_table.MemoryLevel[dpm_table->mclk_table.count-1].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH; + + /* level count will send to smc once at init smc table and never change*/ + result = iceland_copy_bytes_to_smc(hwmgr->smumgr, + level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end); + + if (0 != result) { + return result; + } + + return 0; +} + +struct ICELAND_DLL_SPEED_SETTING +{ + uint16_t Min; /* Minimum Data Rate*/ + uint16_t Max; /* Maximum Data Rate*/ + uint32_t dll_speed; /* The desired DLL_SPEED setting*/ +}; + +static int iceland_populate_ulv_level(struct pp_hwmgr *hwmgr, SMU71_Discrete_Ulv *pstate) +{ + int result = 0; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint32_t voltage_response_time, ulv_voltage; + + pstate->CcPwrDynRm = 0; + pstate->CcPwrDynRm1 = 0; + + //backbiasResponseTime is use for ULV state voltage value. + result = pp_tables_get_response_times(hwmgr, &voltage_response_time, &ulv_voltage); + PP_ASSERT_WITH_CODE((0 == result), "can not get ULV voltage value", return result;); + + if(!ulv_voltage) { + data->ulv.ulv_supported = false; + return 0; + } + + if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 != data->voltage_control) { + /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */ + if (ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v) { + pstate->VddcOffset = 0; + } + else { + /* used in SMIO Mode. not implemented for now. this is backup only for CI. */ + pstate->VddcOffset = (uint16_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage); + } + } else { + /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */ + if(ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v) { + pstate->VddcOffsetVid = 0; + } else { + /* used in SVI2 Mode */ + pstate->VddcOffsetVid = (uint8_t)((hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage) * VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1); + } + } + + /* used in SVI2 Mode to shed phase */ + pstate->VddcPhase = (data->vddc_phase_shed_control) ? 0 : 1; + + if (0 == result) { + CONVERT_FROM_HOST_TO_SMC_UL(pstate->CcPwrDynRm); + CONVERT_FROM_HOST_TO_SMC_UL(pstate->CcPwrDynRm1); + CONVERT_FROM_HOST_TO_SMC_US(pstate->VddcOffset); + } + + return result; +} + +static int iceland_populate_ulv_state(struct pp_hwmgr *hwmgr, SMU71_Discrete_Ulv *ulv) +{ + return iceland_populate_ulv_level(hwmgr, ulv); +} + +static int iceland_populate_smc_initial_state(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint8_t count, level; + + count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->count); + + for (level = 0; level < count; level++) { + if (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[level].clk + >= data->vbios_boot_state.sclk_bootup_value) { + data->smc_state_table.GraphicsBootLevel = level; + break; + } + } + + count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_mclk->count); + + for (level = 0; level < count; level++) { + if (hwmgr->dyn_state.vddc_dependency_on_mclk->entries[level].clk + >= data->vbios_boot_state.mclk_bootup_value) { + data->smc_state_table.MemoryBootLevel = level; + break; + } + } + + return 0; +} + +/** + * Initializes the SMC table and uploads it + * + * @param hwmgr the address of the powerplay hardware manager. + * @param pInput the pointer to input data (PowerState) + * @return always 0 + */ +int iceland_init_smc_table(struct pp_hwmgr *hwmgr) +{ + int result; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + SMU71_Discrete_DpmTable *table = &(data->smc_state_table); + const struct phw_iceland_ulv_parm *ulv = &(data->ulv); + + result = iceland_setup_default_dpm_tables(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to setup default DPM tables!", return result;); + memset(&(data->smc_state_table), 0x00, sizeof(data->smc_state_table)); + + if (ICELAND_VOLTAGE_CONTROL_NONE != data->voltage_control) { + iceland_populate_smc_voltage_tables(hwmgr, table); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition)) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StepVddc)) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC; + } + + if (data->is_memory_GDDR5) { + table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5; + } + + if (ulv->ulv_supported) { + result = iceland_populate_ulv_state(hwmgr, &data->ulv_setting); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ULV state!", return result;); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCG_ULV_PARAMETER, ulv->ch_ulv_parameter); + } + + result = iceland_populate_smc_link_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Link Level!", return result;); + + result = iceland_populate_all_graphic_levels(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Graphics Level!", return result;); + + result = iceland_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize Memory Level!", return result;); + + result = iceland_populate_smc_acpi_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ACPI Level!", return result;); + + result = iceland_populate_smc_vce_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize VCE Level!", return result;); + + result = iceland_populate_smc_acp_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize ACP Level!", return result;); + + result = iceland_populate_smc_samu_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize SAMU Level!", return result;); + + /* + * Since only the initial state is completely set up at this + * point (the other states are just copies of the boot state) + * we only need to populate the ARB settings for the initial + * state. + */ + result = iceland_program_memory_timing_parameters(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to Write ARB settings for the initial state.", return result;); + + result = iceland_populate_smc_uvd_level(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize UVD Level!", return result;); + + table->GraphicsBootLevel = 0; + table->MemoryBootLevel = 0; + + /* find boot level from dpm table */ + result = iceland_find_boot_level(&(data->dpm_table.sclk_table), + data->vbios_boot_state.sclk_bootup_value, + (uint32_t *)&(data->smc_state_table.GraphicsBootLevel)); + + if (result) + pr_warning("VBIOS did not find boot engine clock value in dependency table.\n"); + + result = iceland_find_boot_level(&(data->dpm_table.mclk_table), + data->vbios_boot_state.mclk_bootup_value, + (uint32_t *)&(data->smc_state_table.MemoryBootLevel)); + + if (result) + pr_warning("VBIOS did not find boot memory clock value in dependency table.\n"); + + table->BootVddc = data->vbios_boot_state.vddc_bootup_value; + if (ICELAND_VOLTAGE_CONTROL_NONE == data->vdd_ci_control) { + table->BootVddci = table->BootVddc; + } + else { + table->BootVddci = data->vbios_boot_state.vddci_bootup_value; + } + table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value; + + result = iceland_populate_smc_initial_state(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, "Failed to initialize Boot State!", return result); + + result = iceland_populate_bapm_parameters_in_dpm_table(hwmgr); + PP_ASSERT_WITH_CODE(0 == result, "Failed to populate BAPM Parameters!", return result); + + table->GraphicsVoltageChangeEnable = 1; + table->GraphicsThermThrottleEnable = 1; + table->GraphicsInterval = 1; + table->VoltageInterval = 1; + table->ThermalInterval = 1; + table->TemperatureLimitHigh = + (data->thermal_temp_setting.temperature_high * + ICELAND_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + table->TemperatureLimitLow = + (data->thermal_temp_setting.temperature_low * + ICELAND_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + table->MemoryVoltageChangeEnable = 1; + table->MemoryInterval = 1; + table->VoltageResponseTime = 0; + table->PhaseResponseTime = 0; + table->MemoryThermThrottleEnable = 1; + table->PCIeBootLinkLevel = 0; + table->PCIeGenInterval = 1; + + result = iceland_populate_smc_svi2_config(hwmgr, table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to populate SVI2 setting!", return result); + + table->ThermGpio = 17; + table->SclkStepSize = 0x4000; + + CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcVid); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcPhase); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddciVid); + CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskMvddVid); + CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize); + CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh); + CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow); + CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime); + CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime); + + table->BootVddc = PP_HOST_TO_SMC_US(table->BootVddc * VOLTAGE_SCALE); + table->BootVddci = PP_HOST_TO_SMC_US(table->BootVddci * VOLTAGE_SCALE); + table->BootMVdd = PP_HOST_TO_SMC_US(table->BootMVdd * VOLTAGE_SCALE); + + /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */ + result = iceland_copy_bytes_to_smc(hwmgr->smumgr, data->dpm_table_start + + offsetof(SMU71_Discrete_DpmTable, SystemFlags), + (uint8_t *)&(table->SystemFlags), + sizeof(SMU71_Discrete_DpmTable) - 3 * sizeof(SMU71_PIDController), + data->sram_end); + + PP_ASSERT_WITH_CODE(0 == result, + "Failed to upload dpm data to SMC memory!", return result); + + /* Upload all ulv setting to SMC memory.(dpm level, dpm level count etc) */ + result = iceland_copy_bytes_to_smc(hwmgr->smumgr, + data->ulv_settings_start, + (uint8_t *)&(data->ulv_setting), + sizeof(SMU71_Discrete_Ulv), + data->sram_end); + +#if 0 + /* Notify SMC to follow new GPIO scheme */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition)) { + if (0 == iceland_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_UseNewGPIOScheme)) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SMCtoPPLIBAcdcGpioScheme); + } +#endif + + return result; +} + +int iceland_populate_mc_reg_address(struct pp_hwmgr *hwmgr, SMU71_Discrete_MCRegisters *mc_reg_table) +{ + const struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + uint32_t i, j; + + for (i = 0, j = 0; j < data->iceland_mc_reg_table.last; j++) { + if (data->iceland_mc_reg_table.validflag & 1<address[] array out of boundary", return -1); + mc_reg_table->address[i].s0 = + PP_HOST_TO_SMC_US(data->iceland_mc_reg_table.mc_reg_address[j].s0); + mc_reg_table->address[i].s1 = + PP_HOST_TO_SMC_US(data->iceland_mc_reg_table.mc_reg_address[j].s1); + i++; + } + } + + mc_reg_table->last = (uint8_t)i; + + return 0; +} + +/* convert register values from driver to SMC format */ +void iceland_convert_mc_registers( + const phw_iceland_mc_reg_entry * pEntry, + SMU71_Discrete_MCRegisterSet *pData, + uint32_t numEntries, uint32_t validflag) +{ + uint32_t i, j; + + for (i = 0, j = 0; j < numEntries; j++) { + if (validflag & 1<value[i] = PP_HOST_TO_SMC_UL(pEntry->mc_data[j]); + i++; + } + } +} + +/* find the entry in the memory range table, then populate the value to SMC's iceland_mc_reg_table */ +int iceland_convert_mc_reg_table_entry_to_smc( + struct pp_hwmgr *hwmgr, + const uint32_t memory_clock, + SMU71_Discrete_MCRegisterSet *mc_reg_table_data + ) +{ + const iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t i = 0; + + for (i = 0; i < data->iceland_mc_reg_table.num_entries; i++) { + if (memory_clock <= + data->iceland_mc_reg_table.mc_reg_table_entry[i].mclk_max) { + break; + } + } + + if ((i == data->iceland_mc_reg_table.num_entries) && (i > 0)) + --i; + + iceland_convert_mc_registers(&data->iceland_mc_reg_table.mc_reg_table_entry[i], + mc_reg_table_data, data->iceland_mc_reg_table.last, data->iceland_mc_reg_table.validflag); + + return 0; +} + +int iceland_convert_mc_reg_table_to_smc(struct pp_hwmgr *hwmgr, + SMU71_Discrete_MCRegisters *mc_reg_table) +{ + int result = 0; + iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + int res; + uint32_t i; + + for (i = 0; i < data->dpm_table.mclk_table.count; i++) { + res = iceland_convert_mc_reg_table_entry_to_smc( + hwmgr, + data->dpm_table.mclk_table.dpm_levels[i].value, + &mc_reg_table->data[i] + ); + + if (0 != res) + result = res; + } + + return result; +} + +int iceland_populate_initial_mc_reg_table(struct pp_hwmgr *hwmgr) +{ + int result; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + memset(&data->mc_reg_table, 0x00, sizeof(SMU71_Discrete_MCRegisters)); + result = iceland_populate_mc_reg_address(hwmgr, &(data->mc_reg_table)); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize MCRegTable for the MC register addresses!", return result;); + + result = iceland_convert_mc_reg_table_to_smc(hwmgr, &data->mc_reg_table); + PP_ASSERT_WITH_CODE(0 == result, + "Failed to initialize MCRegTable for driver state!", return result;); + + return iceland_copy_bytes_to_smc(hwmgr->smumgr, data->mc_reg_table_start, + (uint8_t *)&data->mc_reg_table, sizeof(SMU71_Discrete_MCRegisters), data->sram_end); +} + +int iceland_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display) +{ + PPSMC_Msg msg = has_display? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay; + + return (smum_send_msg_to_smc(hwmgr->smumgr, msg) == 0) ? 0 : -1; +} + +int iceland_enable_sclk_control(struct pp_hwmgr *hwmgr) +{ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, 0); + + return 0; +} + +int iceland_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* enable SCLK dpm */ + if (0 == data->sclk_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_DPM_Enable)), + "Failed to enable SCLK DPM during DPM Start Function!", + return -1); + } + + /* enable MCLK dpm */ + if (0 == data->mclk_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_Enable)), + "Failed to enable MCLK DPM during DPM Start Function!", + return -1); + + PHM_WRITE_FIELD(hwmgr->device, MC_SEQ_CNTL_3, CAC_EN, 0x1); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC0_CNTL, 0x05);/* CH0,1 read */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC1_CNTL, 0x05);/* CH2,3 read */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_CPL_CNTL, 0x100005);/*Read */ + + udelay(10); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC0_CNTL, 0x400005);/* CH0,1 write */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_MC1_CNTL, 0x400005);/* CH2,3 write */ + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixLCAC_CPL_CNTL, 0x500005);/* write */ + + } + + return 0; +} + +int iceland_start_dpm(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* enable general power management */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, 1); + /* enable sclk deep sleep */ + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, DYNAMIC_PM_EN, 1); + + /* prepare for PCIE DPM */ + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SOFT_REGISTERS_TABLE_12, VoltageChangeTimeout, 0x1000); + + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE, SWRST_COMMAND_1, RESETLC, 0x0); + +#if 0 + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_Voltage_Cntl_Enable)), + "Failed to enable voltage DPM during DPM Start Function!", + return -1); +#endif + + if (0 != iceland_enable_sclk_mclk_dpm(hwmgr)) { + PP_ASSERT_WITH_CODE(0, "Failed to enable Sclk DPM and Mclk DPM!", return -1); + } + + /* enable PCIE dpm */ + if (0 == data->pcie_dpm_key_disabled) { + PP_ASSERT_WITH_CODE( + (0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_Enable)), + "Failed to enable pcie DPM during DPM Start Function!", + return -1 + ); + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_Falcon_QuickTransition)) { + smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_EnableACDCGPIOInterrupt); + } + + return 0; +} + +static void iceland_set_dpm_event_sources(struct pp_hwmgr *hwmgr, + uint32_t sources) +{ + bool protection; + enum DPM_EVENT_SRC src; + + switch (sources) { + default: + printk(KERN_ERR "Unknown throttling event sources."); + /* fall through */ + case 0: + protection = false; + /* src is unused */ + break; + case (1 << PHM_AutoThrottleSource_Thermal): + protection = true; + src = DPM_EVENT_SRC_DIGITAL; + break; + case (1 << PHM_AutoThrottleSource_External): + protection = true; + src = DPM_EVENT_SRC_EXTERNAL; + break; + case (1 << PHM_AutoThrottleSource_External) | + (1 << PHM_AutoThrottleSource_Thermal): + protection = true; + src = DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL; + break; + } + /* Order matters - don't enable thermal protection for the wrong source. */ + if (protection) { + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL, + DPM_EVENT_SRC, src); + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, + THERMAL_PROTECTION_DIS, + !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ThermalController)); + } else + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, + THERMAL_PROTECTION_DIS, 1); +} + +static int iceland_enable_auto_throttle_source(struct pp_hwmgr *hwmgr, + PHM_AutoThrottleSource source) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + if (!(data->active_auto_throttle_sources & (1 << source))) { + data->active_auto_throttle_sources |= 1 << source; + iceland_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources); + } + return 0; +} + +static int iceland_enable_thermal_auto_throttle(struct pp_hwmgr *hwmgr) +{ + return iceland_enable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal); +} + +static int iceland_tf_start_smc(struct pp_hwmgr *hwmgr) +{ + int ret = 0; + + if (!iceland_is_smc_ram_running(hwmgr->smumgr)) + ret = iceland_smu_start_smc(hwmgr->smumgr); + + return ret; +} + +static int iceland_enable_dpm_tasks(struct pp_hwmgr *hwmgr) +{ + int tmp_result, result = 0; + + if (cf_iceland_voltage_control(hwmgr)) { + tmp_result = iceland_enable_voltage_control(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable voltage control!", return tmp_result); + + tmp_result = iceland_construct_voltage_tables(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to contruct voltage tables!", return tmp_result); + } + + tmp_result = iceland_initialize_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize MC reg table!", return tmp_result); + + tmp_result = iceland_program_static_screen_threshold_parameters(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program static screen threshold parameters!", return tmp_result); + + tmp_result = iceland_enable_display_gap(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable display gap!", return tmp_result); + + tmp_result = iceland_program_voting_clients(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to program voting clients!", return tmp_result); + + tmp_result = iceland_upload_firmware(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to upload firmware header!", return tmp_result); + + tmp_result = iceland_process_firmware_header(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to process firmware header!", return tmp_result); + + tmp_result = iceland_initial_switch_from_arb_f0_to_f1(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize switch from ArbF0 to F1!", return tmp_result); + + tmp_result = iceland_init_smc_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to initialize SMC table!", return tmp_result); + + tmp_result = iceland_populate_initial_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to populate initialize MC Reg table!", return tmp_result); + + tmp_result = iceland_populate_pm_fuses(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to populate PM fuses!", return tmp_result); + + /* start SMC */ + tmp_result = iceland_tf_start_smc(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to start SMC!", return tmp_result); + + /* enable SCLK control */ + tmp_result = iceland_enable_sclk_control(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable SCLK control!", return tmp_result); + + /* enable DPM */ + tmp_result = iceland_start_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to start DPM!", return tmp_result); + + tmp_result = iceland_enable_smc_cac(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable SMC CAC!", return tmp_result); + + tmp_result = iceland_enable_power_containment(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable power containment!", return tmp_result); + + tmp_result = iceland_power_control_set_level(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to power control set level!", result = tmp_result); + + tmp_result = iceland_enable_thermal_auto_throttle(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), + "Failed to enable thermal auto throttle!", result = tmp_result); + + return result; +} + +static int iceland_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + return phm_hwmgr_backend_fini(hwmgr); +} + +static void iceland_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct phw_iceland_ulv_parm *ulv; + + ulv = &data->ulv; + ulv->ch_ulv_parameter = PPICELAND_CGULVPARAMETER_DFLT; + data->voting_rights_clients0 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT0; + data->voting_rights_clients1 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT1; + data->voting_rights_clients2 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT2; + data->voting_rights_clients3 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT3; + data->voting_rights_clients4 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT4; + data->voting_rights_clients5 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT5; + data->voting_rights_clients6 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT6; + data->voting_rights_clients7 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT7; + + data->static_screen_threshold_unit = PPICELAND_STATICSCREENTHRESHOLDUNIT_DFLT; + data->static_screen_threshold = PPICELAND_STATICSCREENTHRESHOLD_DFLT; + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ABM); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_NonABMSupportInPPLib); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicACTiming); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMemoryTransition); + + iceland_initialize_power_tune_defaults(hwmgr); + + data->mclk_strobe_mode_threshold = 40000; + data->mclk_stutter_mode_threshold = 30000; + data->mclk_edc_enable_threshold = 40000; + data->mclk_edc_wr_enable_threshold = 40000; + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMCLS); + + data->pcie_gen_performance.max = PP_PCIEGen1; + data->pcie_gen_performance.min = PP_PCIEGen3; + data->pcie_gen_power_saving.max = PP_PCIEGen1; + data->pcie_gen_power_saving.min = PP_PCIEGen3; + + data->pcie_lane_performance.max = 0; + data->pcie_lane_performance.min = 16; + data->pcie_lane_power_saving.max = 0; + data->pcie_lane_power_saving.min = 16; + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkThrottleLowNotification); +} + +static int iceland_get_evv_voltage(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + uint16_t virtual_voltage_id; + uint16_t vddc = 0; + uint16_t i; + + /* the count indicates actual number of entries */ + data->vddc_leakage.count = 0; + data->vddci_leakage.count = 0; + + if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_EVV)) { + pr_err("Iceland should always support EVV\n"); + return -EINVAL; + } + + /* retrieve voltage for leakage ID (0xff01 + i) */ + for (i = 0; i < ICELAND_MAX_LEAKAGE_COUNT; i++) { + virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; + + PP_ASSERT_WITH_CODE((0 == atomctrl_get_voltage_evv(hwmgr, virtual_voltage_id, &vddc)), + "Error retrieving EVV voltage value!\n", continue); + + if (vddc >= 2000) + pr_warning("Invalid VDDC value!\n"); + + if (vddc != 0 && vddc != virtual_voltage_id) { + data->vddc_leakage.actual_voltage[data->vddc_leakage.count] = vddc; + data->vddc_leakage.leakage_id[data->vddc_leakage.count] = virtual_voltage_id; + data->vddc_leakage.count++; + } + } + + return 0; +} + +static void iceland_patch_with_vddc_leakage(struct pp_hwmgr *hwmgr, + uint32_t *vddc) +{ + iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t leakage_index; + struct phw_iceland_leakage_voltage *leakage_table = &data->vddc_leakage; + + /* search for leakage voltage ID 0xff01 ~ 0xff08 */ + for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) { + /* + * If this voltage matches a leakage voltage ID, patch + * with actual leakage voltage. + */ + if (leakage_table->leakage_id[leakage_index] == *vddc) { + /* + * Need to make sure vddc is less than 2v or + * else, it could burn the ASIC. + */ + if (leakage_table->actual_voltage[leakage_index] >= 2000) + pr_warning("Invalid VDDC value!\n"); + *vddc = leakage_table->actual_voltage[leakage_index]; + /* we found leakage voltage */ + break; + } + } + + if (*vddc >= ATOM_VIRTUAL_VOLTAGE_ID0) + pr_warning("Voltage value looks like a Leakage ID but it's not patched\n"); +} + +static void iceland_patch_with_vddci_leakage(struct pp_hwmgr *hwmgr, + uint32_t *vddci) +{ + iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t leakage_index; + struct phw_iceland_leakage_voltage *leakage_table = &data->vddci_leakage; + + /* search for leakage voltage ID 0xff01 ~ 0xff08 */ + for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) { + /* + * If this voltage matches a leakage voltage ID, patch + * with actual leakage voltage. + */ + if (leakage_table->leakage_id[leakage_index] == *vddci) { + *vddci = leakage_table->actual_voltage[leakage_index]; + /* we found leakage voltage */ + break; + } + } + + if (*vddci >= ATOM_VIRTUAL_VOLTAGE_ID0) + pr_warning("Voltage value looks like a Leakage ID but it's not patched\n"); +} + +static int iceland_patch_vddc(struct pp_hwmgr *hwmgr, + struct phm_clock_voltage_dependency_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v); + + return 0; +} + +static int iceland_patch_vddci(struct pp_hwmgr *hwmgr, + struct phm_clock_voltage_dependency_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddci_leakage(hwmgr, &tab->entries[i].v); + + return 0; +} + +static int iceland_patch_vce_vddc(struct pp_hwmgr *hwmgr, + struct phm_vce_clock_voltage_dependency_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v); + + return 0; +} + + +static int iceland_patch_uvd_vddc(struct pp_hwmgr *hwmgr, + struct phm_uvd_clock_voltage_dependency_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v); + + return 0; +} + +static int iceland_patch_vddc_shed_limit(struct pp_hwmgr *hwmgr, + struct phm_phase_shedding_limits_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].Voltage); + + return 0; +} + +static int iceland_patch_samu_vddc(struct pp_hwmgr *hwmgr, + struct phm_samu_clock_voltage_dependency_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v); + + return 0; +} + +static int iceland_patch_acp_vddc(struct pp_hwmgr *hwmgr, + struct phm_acp_clock_voltage_dependency_table *tab) +{ + uint16_t i; + + if (tab) + for (i = 0; i < tab->count; i++) + iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v); + + return 0; +} + +static int iceland_patch_limits_vddc(struct pp_hwmgr *hwmgr, + struct phm_clock_and_voltage_limits *tab) +{ + if (tab) { + iceland_patch_with_vddc_leakage(hwmgr, (uint32_t *)&tab->vddc); + iceland_patch_with_vddci_leakage(hwmgr, (uint32_t *)&tab->vddci); + } + + return 0; +} + +static int iceland_patch_cac_vddc(struct pp_hwmgr *hwmgr, struct phm_cac_leakage_table *tab) +{ + uint32_t i; + uint32_t vddc; + + if (tab) { + for (i = 0; i < tab->count; i++) { + vddc = (uint32_t)(tab->entries[i].Vddc); + iceland_patch_with_vddc_leakage(hwmgr, &vddc); + tab->entries[i].Vddc = (uint16_t)vddc; + } + } + + return 0; +} + +static int iceland_patch_dependency_tables_with_leakage(struct pp_hwmgr *hwmgr) +{ + int tmp; + + tmp = iceland_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_sclk); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_mclk); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dep_on_dal_pwrl); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_vddci(hwmgr, hwmgr->dyn_state.vddci_dependency_on_mclk); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_vce_vddc(hwmgr, hwmgr->dyn_state.vce_clock_voltage_dependency_table); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_uvd_vddc(hwmgr, hwmgr->dyn_state.uvd_clock_voltage_dependency_table); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_samu_vddc(hwmgr, hwmgr->dyn_state.samu_clock_voltage_dependency_table); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_acp_vddc(hwmgr, hwmgr->dyn_state.acp_clock_voltage_dependency_table); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_vddc_shed_limit(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_limits_vddc(hwmgr, &hwmgr->dyn_state.max_clock_voltage_on_ac); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_limits_vddc(hwmgr, &hwmgr->dyn_state.max_clock_voltage_on_dc); + if(tmp) + return -EINVAL; + + tmp = iceland_patch_cac_vddc(hwmgr, hwmgr->dyn_state.cac_leakage_table); + if(tmp) + return -EINVAL; + + return 0; +} + +static int iceland_set_private_var_based_on_pptale(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + struct phm_clock_voltage_dependency_table *allowed_sclk_vddc_table = hwmgr->dyn_state.vddc_dependency_on_sclk; + struct phm_clock_voltage_dependency_table *allowed_mclk_vddc_table = hwmgr->dyn_state.vddc_dependency_on_mclk; + struct phm_clock_voltage_dependency_table *allowed_mclk_vddci_table = hwmgr->dyn_state.vddci_dependency_on_mclk; + + PP_ASSERT_WITH_CODE(allowed_sclk_vddc_table != NULL, + "VDDC dependency on SCLK table is missing. This table is mandatory\n", return -EINVAL); + PP_ASSERT_WITH_CODE(allowed_sclk_vddc_table->count >= 1, + "VDDC dependency on SCLK table has to have is missing. This table is mandatory\n", return -EINVAL); + + PP_ASSERT_WITH_CODE(allowed_mclk_vddc_table != NULL, + "VDDC dependency on MCLK table is missing. This table is mandatory\n", return -EINVAL); + PP_ASSERT_WITH_CODE(allowed_mclk_vddc_table->count >= 1, + "VDD dependency on MCLK table has to have is missing. This table is mandatory\n", return -EINVAL); + + data->min_vddc_in_pp_table = (uint16_t)allowed_sclk_vddc_table->entries[0].v; + data->max_vddc_in_pp_table = (uint16_t)allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v; + + hwmgr->dyn_state.max_clock_voltage_on_ac.sclk = + allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk; + hwmgr->dyn_state.max_clock_voltage_on_ac.mclk = + allowed_mclk_vddc_table->entries[allowed_mclk_vddc_table->count - 1].clk; + hwmgr->dyn_state.max_clock_voltage_on_ac.vddc = + allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v; + + if (allowed_mclk_vddci_table != NULL && allowed_mclk_vddci_table->count >= 1) { + data->min_vddci_in_pp_table = (uint16_t)allowed_mclk_vddci_table->entries[0].v; + data->max_vddci_in_pp_table = (uint16_t)allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v; + } + + if (hwmgr->dyn_state.vddci_dependency_on_mclk != NULL && hwmgr->dyn_state.vddci_dependency_on_mclk->count > 1) + hwmgr->dyn_state.max_clock_voltage_on_ac.vddci = hwmgr->dyn_state.vddci_dependency_on_mclk->entries[hwmgr->dyn_state.vddci_dependency_on_mclk->count - 1].v; + + return 0; +} + +static int iceland_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr) +{ + uint32_t table_size; + struct phm_clock_voltage_dependency_table *table_clk_vlt; + + hwmgr->dyn_state.mclk_sclk_ratio = 4; + hwmgr->dyn_state.sclk_mclk_delta = 15000; /* 150 MHz */ + hwmgr->dyn_state.vddc_vddci_delta = 200; /* 200mV */ + + /* initialize vddc_dep_on_dal_pwrl table */ + table_size = sizeof(uint32_t) + 4 * sizeof(struct phm_clock_voltage_dependency_record); + table_clk_vlt = (struct phm_clock_voltage_dependency_table *)kzalloc(table_size, GFP_KERNEL); + + if (NULL == table_clk_vlt) { + pr_err("[ powerplay ] Can not allocate space for vddc_dep_on_dal_pwrl! \n"); + return -ENOMEM; + } else { + table_clk_vlt->count = 4; + table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW; + table_clk_vlt->entries[0].v = 0; + table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW; + table_clk_vlt->entries[1].v = 720; + table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL; + table_clk_vlt->entries[2].v = 810; + table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE; + table_clk_vlt->entries[3].v = 900; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; + } + + return 0; +} + +/** + * Initializes the Volcanic Islands Hardware Manager + * + * @param hwmgr the address of the powerplay hardware manager. + * @return 1 if success; otherwise appropriate error code. + */ +static int iceland_hwmgr_backend_init(struct pp_hwmgr *hwmgr) +{ + int result = 0; + SMU71_Discrete_DpmTable *table = NULL; + iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + pp_atomctrl_gpio_pin_assignment gpio_pin_assignment; + bool stay_in_boot; + struct phw_iceland_ulv_parm *ulv; + struct cgs_system_info sys_info = {0}; + + PP_ASSERT_WITH_CODE((NULL != hwmgr), + "Invalid Parameter!", return -EINVAL;); + + data->dll_defaule_on = 0; + data->sram_end = SMC_RAM_END; + + data->activity_target[0] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[1] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[2] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[3] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[4] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[5] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[6] = PPICELAND_TARGETACTIVITY_DFLT; + data->activity_target[7] = PPICELAND_TARGETACTIVITY_DFLT; + + data->mclk_activity_target = PPICELAND_MCLK_TARGETACTIVITY_DFLT; + + data->sclk_dpm_key_disabled = 0; + data->mclk_dpm_key_disabled = 0; + data->pcie_dpm_key_disabled = 0; + data->pcc_monitor_enabled = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UnTabledHardwareInterface); + + data->gpio_debug = 0; + data->engine_clock_data = 0; + data->memory_clock_data = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleepAboveLow); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicPatchPowerState); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TablelessHardwareInterface); + + /* Initializes DPM default values. */ + iceland_initialize_dpm_defaults(hwmgr); + + /* Enable Platform EVV support. */ + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EVV); + + /* Get leakage voltage based on leakage ID. */ + result = iceland_get_evv_voltage(hwmgr); + if (result) + goto failed; + + /** + * Patch our voltage dependency table with actual leakage + * voltage. We need to perform leakage translation before it's + * used by other functions such as + * iceland_set_hwmgr_variables_based_on_pptable. + */ + result = iceland_patch_dependency_tables_with_leakage(hwmgr); + if (result) + goto failed; + + /* Parse pptable data read from VBIOS. */ + result = iceland_set_private_var_based_on_pptale(hwmgr); + if (result) + goto failed; + + /* ULV support */ + ulv = &(data->ulv); + ulv->ulv_supported = 1; + + /* Initalize Dynamic State Adjustment Rule Settings*/ + result = iceland_initializa_dynamic_state_adjustment_rule_settings(hwmgr); + if (result) { + pr_err("[ powerplay ] iceland_initializa_dynamic_state_adjustment_rule_settings failed!\n"); + goto failed; + } + + data->voltage_control = ICELAND_VOLTAGE_CONTROL_NONE; + data->vdd_ci_control = ICELAND_VOLTAGE_CONTROL_NONE; + data->mvdd_control = ICELAND_VOLTAGE_CONTROL_NONE; + + /* + * Hardcode thermal temperature settings for now, these will + * be overwritten if a custom policy exists. + */ + data->thermal_temp_setting.temperature_low = 99500; + data->thermal_temp_setting.temperature_high = 100000; + data->thermal_temp_setting.temperature_shutdown = 104000; + data->uvd_enabled = false; + + table = &data->smc_state_table; + + if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_VRHOT_GPIO_PINID, + &gpio_pin_assignment)) { + table->VRHotGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot); + } else { + table->VRHotGpio = ICELAND_UNUSED_GPIO_PIN; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_RegulatorHot); + } + + if (atomctrl_get_pp_assign_pin(hwmgr, PP_AC_DC_SWITCH_GPIO_PINID, + &gpio_pin_assignment)) { + table->AcDcGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift; + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + } else { + table->AcDcGpio = ICELAND_UNUSED_GPIO_PIN; + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_AutomaticDCTransition); + } + + /* + * If ucGPIO_ID=VDDC_PCC_GPIO_PINID in GPIO_LUTable, Peak. + * Current Control feature is enabled and we should program + * PCC HW register + */ + if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_PCC_GPIO_PINID, + &gpio_pin_assignment)) { + uint32_t temp_reg = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__SMC, + ixCNB_PWRMGT_CNTL); + + switch (gpio_pin_assignment.uc_gpio_pin_bit_shift) { + case 0: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x1); + break; + case 1: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x2); + break; + case 2: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, GNB_SLOW, 0x1); + break; + case 3: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, FORCE_NB_PS1, 0x1); + break; + case 4: + temp_reg = PHM_SET_FIELD(temp_reg, + CNB_PWRMGT_CNTL, DPM_ENABLED, 0x1); + break; + default: + pr_warning("[ powerplay ] Failed to setup PCC HW register! Wrong GPIO assigned for VDDC_PCC_GPIO_PINID!\n"); + break; + } + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, + ixCNB_PWRMGT_CNTL, temp_reg); + } + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableSMU7ThermalManagement); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SMU7); + + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDC, + VOLTAGE_OBJ_GPIO_LUT)) + data->voltage_control = ICELAND_VOLTAGE_CONTROL_BY_GPIO; + else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDC, + VOLTAGE_OBJ_SVID2)) + data->voltage_control = ICELAND_VOLTAGE_CONTROL_BY_SVID2; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDCI)) { + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, + VOLTAGE_OBJ_GPIO_LUT)) + data->vdd_ci_control = ICELAND_VOLTAGE_CONTROL_BY_GPIO; + else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_VDDCI, + VOLTAGE_OBJ_SVID2)) + data->vdd_ci_control = ICELAND_VOLTAGE_CONTROL_BY_SVID2; + } + + if (data->vdd_ci_control == ICELAND_VOLTAGE_CONTROL_NONE) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ControlVDDCI); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableMVDDControl)) { + if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, + VOLTAGE_OBJ_GPIO_LUT)) + data->mvdd_control = ICELAND_VOLTAGE_CONTROL_BY_GPIO; + else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr, + VOLTAGE_TYPE_MVDDC, + VOLTAGE_OBJ_SVID2)) + data->mvdd_control = ICELAND_VOLTAGE_CONTROL_BY_SVID2; + } + + if (data->mvdd_control == ICELAND_VOLTAGE_CONTROL_NONE) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableMVDDControl); + + data->vddc_phase_shed_control = false; + + stay_in_boot = phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_StayInBootState); + + /* iceland doesn't support UVD and VCE */ + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); + + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (!result) { + if (sys_info.value & AMD_PG_SUPPORT_UVD) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDPowerGating); + if (sys_info.value & AMD_PG_SUPPORT_VCE) + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_VCEPowerGating); + + data->is_tlu_enabled = false; + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = + ICELAND_MAX_HARDWARE_POWERLEVELS; + hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; + hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; + + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_gen_cap = AMDGPU_DEFAULT_PCIE_GEN_MASK; + else + data->pcie_gen_cap = (uint32_t)sys_info.value; + if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) + data->pcie_spc_cap = 20; + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_MLW; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_lane_cap = AMDGPU_DEFAULT_PCIE_MLW_MASK; + else + data->pcie_lane_cap = (uint32_t)sys_info.value; + } else { + /* Ignore return value in here, we are cleaning up a mess. */ + iceland_hwmgr_backend_fini(hwmgr); + } + + return 0; +failed: + return result; +} + +static int iceland_get_num_of_entries(struct pp_hwmgr *hwmgr) +{ + int result; + unsigned long ret = 0; + + result = pp_tables_get_num_of_entries(hwmgr, &ret); + + return result ? 0 : ret; +} + +static const unsigned long PhwIceland_Magic = (unsigned long)(PHM_VIslands_Magic); + +struct iceland_power_state *cast_phw_iceland_power_state( + struct pp_hw_power_state *hw_ps) +{ + if (hw_ps == NULL) + return NULL; + + PP_ASSERT_WITH_CODE((PhwIceland_Magic == hw_ps->magic), + "Invalid Powerstate Type!", + return NULL); + + return (struct iceland_power_state *)hw_ps; +} + +static int iceland_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + struct pp_power_state *prequest_ps, + const struct pp_power_state *pcurrent_ps) +{ + struct iceland_power_state *iceland_ps = + cast_phw_iceland_power_state(&prequest_ps->hardware); + + uint32_t sclk; + uint32_t mclk; + struct PP_Clocks minimum_clocks = {0}; + bool disable_mclk_switching; + bool disable_mclk_switching_for_frame_lock; + struct cgs_display_info info = {0}; + const struct phm_clock_and_voltage_limits *max_limits; + uint32_t i; + iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + int32_t count; + int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; + + data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label); + + PP_ASSERT_WITH_CODE(iceland_ps->performance_level_count == 2, + "VI should always have 2 performance levels", + ); + + max_limits = (PP_PowerSource_AC == hwmgr->power_source) ? + &(hwmgr->dyn_state.max_clock_voltage_on_ac) : + &(hwmgr->dyn_state.max_clock_voltage_on_dc); + + if (PP_PowerSource_DC == hwmgr->power_source) { + for (i = 0; i < iceland_ps->performance_level_count; i++) { + if (iceland_ps->performance_levels[i].memory_clock > max_limits->mclk) + iceland_ps->performance_levels[i].memory_clock = max_limits->mclk; + if (iceland_ps->performance_levels[i].engine_clock > max_limits->sclk) + iceland_ps->performance_levels[i].engine_clock = max_limits->sclk; + } + } + + iceland_ps->vce_clocks.EVCLK = hwmgr->vce_arbiter.evclk; + iceland_ps->vce_clocks.ECCLK = hwmgr->vce_arbiter.ecclk; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) { + + max_limits = &(hwmgr->dyn_state.max_clock_voltage_on_ac); + stable_pstate_sclk = (max_limits->sclk * 75) / 100; + + for (count = hwmgr->dyn_state.vddc_dependency_on_sclk->count-1; count >= 0; count--) { + if (stable_pstate_sclk >= hwmgr->dyn_state.vddc_dependency_on_sclk->entries[count].clk) { + stable_pstate_sclk = hwmgr->dyn_state.vddc_dependency_on_sclk->entries[count].clk; + break; + } + } + + if (count < 0) + stable_pstate_sclk = hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].clk; + + stable_pstate_mclk = max_limits->mclk; + + minimum_clocks.engineClock = stable_pstate_sclk; + minimum_clocks.memoryClock = stable_pstate_mclk; + } + + if (minimum_clocks.engineClock < hwmgr->gfx_arbiter.sclk) + minimum_clocks.engineClock = hwmgr->gfx_arbiter.sclk; + + if (minimum_clocks.memoryClock < hwmgr->gfx_arbiter.mclk) + minimum_clocks.memoryClock = hwmgr->gfx_arbiter.mclk; + + iceland_ps->sclk_threshold = hwmgr->gfx_arbiter.sclk_threshold; + + if (0 != hwmgr->gfx_arbiter.sclk_over_drive) { + PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.sclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.engineClock), + "Overdrive sclk exceeds limit", + hwmgr->gfx_arbiter.sclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.engineClock); + + if (hwmgr->gfx_arbiter.sclk_over_drive >= hwmgr->gfx_arbiter.sclk) + iceland_ps->performance_levels[1].engine_clock = hwmgr->gfx_arbiter.sclk_over_drive; + } + + if (0 != hwmgr->gfx_arbiter.mclk_over_drive) { + PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.mclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.memoryClock), + "Overdrive mclk exceeds limit", + hwmgr->gfx_arbiter.mclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.memoryClock); + + if (hwmgr->gfx_arbiter.mclk_over_drive >= hwmgr->gfx_arbiter.mclk) + iceland_ps->performance_levels[1].memory_clock = hwmgr->gfx_arbiter.mclk_over_drive; + } + + disable_mclk_switching_for_frame_lock = phm_cap_enabled( + hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableMclkSwitchingForFrameLock); + + disable_mclk_switching = (1 < info.display_count) || + disable_mclk_switching_for_frame_lock; + + sclk = iceland_ps->performance_levels[0].engine_clock; + mclk = iceland_ps->performance_levels[0].memory_clock; + + if (disable_mclk_switching) + mclk = iceland_ps->performance_levels[iceland_ps->performance_level_count - 1].memory_clock; + + if (sclk < minimum_clocks.engineClock) + sclk = (minimum_clocks.engineClock > max_limits->sclk) ? max_limits->sclk : minimum_clocks.engineClock; + + if (mclk < minimum_clocks.memoryClock) + mclk = (minimum_clocks.memoryClock > max_limits->mclk) ? max_limits->mclk : minimum_clocks.memoryClock; + + iceland_ps->performance_levels[0].engine_clock = sclk; + iceland_ps->performance_levels[0].memory_clock = mclk; + + iceland_ps->performance_levels[1].engine_clock = + (iceland_ps->performance_levels[1].engine_clock >= iceland_ps->performance_levels[0].engine_clock) ? + iceland_ps->performance_levels[1].engine_clock : + iceland_ps->performance_levels[0].engine_clock; + + if (disable_mclk_switching) { + if (mclk < iceland_ps->performance_levels[1].memory_clock) + mclk = iceland_ps->performance_levels[1].memory_clock; + + iceland_ps->performance_levels[0].memory_clock = mclk; + iceland_ps->performance_levels[1].memory_clock = mclk; + } else { + if (iceland_ps->performance_levels[1].memory_clock < iceland_ps->performance_levels[0].memory_clock) + iceland_ps->performance_levels[1].memory_clock = iceland_ps->performance_levels[0].memory_clock; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) { + for (i=0; i < iceland_ps->performance_level_count; i++) { + iceland_ps->performance_levels[i].engine_clock = stable_pstate_sclk; + iceland_ps->performance_levels[i].memory_clock = stable_pstate_mclk; + iceland_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max; + iceland_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max; + } + } + + return 0; +} + +static bool iceland_is_dpm_running(struct pp_hwmgr *hwmgr) +{ + /* + * We return the status of Voltage Control instead of checking SCLK/MCLK DPM + * because we may have test scenarios that need us intentionly disable SCLK/MCLK DPM, + * whereas voltage control is a fundemental change that will not be disabled + */ + return (0 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + FEATURE_STATUS, VOLTAGE_CONTROLLER_ON) ? 1 : 0); +} + +/** + * force DPM power State + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param n : DPM level + * @return The response that came from the SMC. + */ +int iceland_dpm_force_state(struct pp_hwmgr *hwmgr, uint32_t n) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */ + PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr), + "Trying to force SCLK when DPM is disabled", return -1;); + if (0 == data->sclk_dpm_key_disabled) + return (0 == smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + PPSMC_MSG_DPM_ForceState, + n) ? 0 : 1); + + return 0; +} + +/** + * force DPM power State + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param n : DPM level + * @return The response that came from the SMC. + */ +int iceland_dpm_force_state_mclk(struct pp_hwmgr *hwmgr, uint32_t n) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */ + PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr), + "Trying to Force MCLK when DPM is disabled", return -1;); + if (0 == data->mclk_dpm_key_disabled) + return (0 == smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_ForceState, + n) ? 0 : 1); + + return 0; +} + +/** + * force DPM power State + * + * @param hwmgr: the address of the powerplay hardware manager. + * @param n : DPM level + * @return The response that came from the SMC. + */ +int iceland_dpm_force_state_pcie(struct pp_hwmgr *hwmgr, uint32_t n) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr), + "Trying to Force PCIE level when DPM is disabled", return -1;); + if (0 == data->pcie_dpm_key_disabled) + return (0 == smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_ForceLevel, + n) ? 0 : 1); + + return 0; +} + +static int iceland_force_dpm_highest(struct pp_hwmgr *hwmgr) +{ + uint32_t level, tmp; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + if (0 == data->sclk_dpm_key_disabled) { + /* SCLK */ + if (data->dpm_level_enable_mask.sclk_dpm_enable_mask != 0) { + level = 0; + tmp = data->dpm_level_enable_mask.sclk_dpm_enable_mask; + while (tmp >>= 1) + level++ ; + + if (0 != level) { + PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state(hwmgr, level)), + "force highest sclk dpm state failed!", return -1); + PHM_WAIT_INDIRECT_FIELD(hwmgr->device, + SMC_IND, TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX, level); + } + } + } + + if (0 == data->mclk_dpm_key_disabled) { + /* MCLK */ + if (data->dpm_level_enable_mask.mclk_dpm_enable_mask != 0) { + level = 0; + tmp = data->dpm_level_enable_mask.mclk_dpm_enable_mask; + while (tmp >>= 1) + level++ ; + + if (0 != level) { + PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state_mclk(hwmgr, level)), + "force highest mclk dpm state failed!", return -1); + PHM_WAIT_INDIRECT_FIELD(hwmgr->device, SMC_IND, + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_MCLK_INDEX, level); + } + } + } + + if (0 == data->pcie_dpm_key_disabled) { + /* PCIE */ + if (data->dpm_level_enable_mask.pcie_dpm_enable_mask != 0) { + level = 0; + tmp = data->dpm_level_enable_mask.pcie_dpm_enable_mask; + while (tmp >>= 1) + level++ ; + + if (0 != level) { + PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state_pcie(hwmgr, level)), + "force highest pcie dpm state failed!", return -1); + } + } + } + + return 0; +} + +static uint32_t iceland_get_lowest_enable_level(struct pp_hwmgr *hwmgr, + uint32_t level_mask) +{ + uint32_t level = 0; + + while (0 == (level_mask & (1 << level))) + level++; + + return level; +} + +static int iceland_force_dpm_lowest(struct pp_hwmgr *hwmgr) +{ + uint32_t level; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + /* for now force only sclk */ + if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + level = iceland_get_lowest_enable_level(hwmgr, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + + PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state(hwmgr, level)), + "force sclk dpm state failed!", return -1); + + PHM_WAIT_INDIRECT_FIELD(hwmgr->device, SMC_IND, + TARGET_AND_CURRENT_PROFILE_INDEX, + CURR_SCLK_INDEX, + level); + } + + return 0; +} + +int iceland_unforce_dpm_levels(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + +#if 0 + PP_ASSERT_WITH_CODE (0 == iceland_is_dpm_running(hwmgr), + "Trying to Unforce DPM when DPM is disabled. Returning without sending SMC message.", + return -1); +#endif + + if (0 == data->sclk_dpm_key_disabled) { + PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc( + hwmgr->smumgr, + PPSMC_MSG_NoForcedLevel)), + "unforce sclk dpm state failed!", + return -1); + } + + if (0 == data->pcie_dpm_key_disabled) { + PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc( + hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_NoForcedLevel)), + "unforce mclk dpm state failed!", + return -1); + } + + if (0 == data->pcie_dpm_key_disabled) { + PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc( + hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_UnForceLevel)), + "unforce pcie level failed!", + return -1); + } + + return 0; +} + +static int iceland_force_dpm_level(struct pp_hwmgr *hwmgr, + enum amd_dpm_forced_level level) +{ + int ret = 0; + + switch (level) { + case AMD_DPM_FORCED_LEVEL_HIGH: + ret = iceland_force_dpm_highest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_LOW: + ret = iceland_force_dpm_lowest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_AUTO: + ret = iceland_unforce_dpm_levels(hwmgr); + if (ret) + return ret; + break; + default: + break; + } + + hwmgr->dpm_level = level; + return ret; +} + +const struct iceland_power_state *cast_const_phw_iceland_power_state( + const struct pp_hw_power_state *hw_ps) +{ + if (hw_ps == NULL) + return NULL; + + PP_ASSERT_WITH_CODE((PhwIceland_Magic == hw_ps->magic), + "Invalid Powerstate Type!", + return NULL); + + return (const struct iceland_power_state *)hw_ps; +} + +static int iceland_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state); + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_single_dpm_table *psclk_table = &(data->dpm_table.sclk_table); + uint32_t sclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].engine_clock; + struct iceland_single_dpm_table *pmclk_table = &(data->dpm_table.mclk_table); + uint32_t mclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].memory_clock; + struct PP_Clocks min_clocks = {0}; + uint32_t i; + struct cgs_display_info info = {0}; + + data->need_update_smu7_dpm_table = 0; + + for (i = 0; i < psclk_table->count; i++) { + if (sclk == psclk_table->dpm_levels[i].value) + break; + } + + if (i >= psclk_table->count) + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; + else { + /* + * TODO: Check SCLK in DAL's minimum clocks in case DeepSleep + * divider update is required. + */ + if(data->display_timing.min_clock_insr != min_clocks.engineClockInSR) + data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK; + } + + for (i = 0; i < pmclk_table->count; i++) { + if (mclk == pmclk_table->dpm_levels[i].value) + break; + } + + if (i >= pmclk_table->count) + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK; + + return 0; +} + +static uint16_t iceland_get_maximum_link_speed(struct pp_hwmgr *hwmgr, const struct iceland_power_state *hw_ps) +{ + uint32_t i; + uint32_t pcie_speed, max_speed = 0; + + for (i = 0; i < hw_ps->performance_level_count; i++) { + pcie_speed = hw_ps->performance_levels[i].pcie_gen; + if (max_speed < pcie_speed) + max_speed = pcie_speed; + } + + return max_speed; +} + +static uint16_t iceland_get_current_pcie_speed(struct pp_hwmgr *hwmgr) +{ + uint32_t speed_cntl = 0; + + speed_cntl = cgs_read_ind_register(hwmgr->device, + CGS_IND_REG__PCIE, + ixPCIE_LC_SPEED_CNTL); + return((uint16_t)PHM_GET_FIELD(speed_cntl, + PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE)); +} + + +static int iceland_request_link_speed_change_before_state_change(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + const struct iceland_power_state *iceland_nps = cast_const_phw_iceland_power_state(states->pnew_state); + const struct iceland_power_state *iceland_cps = cast_const_phw_iceland_power_state(states->pcurrent_state); + + uint16_t target_link_speed = iceland_get_maximum_link_speed(hwmgr, iceland_nps); + uint16_t current_link_speed; + + if (data->force_pcie_gen == PP_PCIEGenInvalid) + current_link_speed = iceland_get_maximum_link_speed(hwmgr, iceland_cps); + else + current_link_speed = data->force_pcie_gen; + + data->force_pcie_gen = PP_PCIEGenInvalid; + data->pspp_notify_required = false; + if (target_link_speed > current_link_speed) { + switch(target_link_speed) { + case PP_PCIEGen3: + if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN3, false)) + break; + data->force_pcie_gen = PP_PCIEGen2; + if (current_link_speed == PP_PCIEGen2) + break; + case PP_PCIEGen2: + if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN2, false)) + break; + default: + data->force_pcie_gen = iceland_get_current_pcie_speed(hwmgr); + break; + } + } else { + if (target_link_speed < current_link_speed) + data->pspp_notify_required = true; + } + + return 0; +} + +static int iceland_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if ((0 == data->sclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) { + PP_ASSERT_WITH_CODE( + 0 == iceland_is_dpm_running(hwmgr), + "Trying to freeze SCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_FreezeLevel), + "Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!", + return -1); + } + + if ((0 == data->mclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + DPMTABLE_OD_UPDATE_MCLK)) { + PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr), + "Trying to freeze MCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_FreezeLevel), + "Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!", + return -1); + } + + return 0; +} + +static int iceland_populate_and_upload_sclk_mclk_dpm_levels(struct pp_hwmgr *hwmgr, const void *input) +{ + int result = 0; + + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state); + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t sclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].engine_clock; + uint32_t mclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].memory_clock; + struct iceland_dpm_table *pdpm_table = &data->dpm_table; + + struct iceland_dpm_table *pgolden_dpm_table = &data->golden_dpm_table; + uint32_t dpm_count, clock_percent; + uint32_t i; + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) { + pdpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value = sclk; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) { + /* + * Need to do calculation based on the golden DPM table + * as the Heatmap GPU Clock axis is also based on the default values + */ + PP_ASSERT_WITH_CODE( + (pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value != 0), + "Divide by 0!", + return -1); + dpm_count = pdpm_table->sclk_table.count < 2 ? 0 : pdpm_table->sclk_table.count-2; + for (i = dpm_count; i > 1; i--) { + if (sclk > pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value) { + clock_percent = ((sclk - pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value)*100) / + pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value; + + pdpm_table->sclk_table.dpm_levels[i].value = + pgolden_dpm_table->sclk_table.dpm_levels[i].value + + (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100; + + } else if (pgolden_dpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value > sclk) { + clock_percent = ((pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value - sclk)*100) / + pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value; + + pdpm_table->sclk_table.dpm_levels[i].value = + pgolden_dpm_table->sclk_table.dpm_levels[i].value - + (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100; + } else + pdpm_table->sclk_table.dpm_levels[i].value = + pgolden_dpm_table->sclk_table.dpm_levels[i].value; + } + } + } + + if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) { + pdpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value = mclk; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) { + + PP_ASSERT_WITH_CODE( + (pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value != 0), + "Divide by 0!", + return -1); + dpm_count = pdpm_table->mclk_table.count < 2? 0 : pdpm_table->mclk_table.count-2; + for (i = dpm_count; i > 1; i--) { + if (mclk > pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value) { + clock_percent = ((mclk - pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value)*100) / + pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value; + + pdpm_table->mclk_table.dpm_levels[i].value = + pgolden_dpm_table->mclk_table.dpm_levels[i].value + + (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100; + + } else if (pgolden_dpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value > mclk) { + clock_percent = ((pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value - mclk)*100) / + pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value; + + pdpm_table->mclk_table.dpm_levels[i].value = + pgolden_dpm_table->mclk_table.dpm_levels[i].value - + (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100; + } else + pdpm_table->mclk_table.dpm_levels[i].value = pgolden_dpm_table->mclk_table.dpm_levels[i].value; + } + } + } + + + if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK)) { + result = iceland_populate_all_graphic_levels(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to populate SCLK during PopulateNewDPMClocksStates Function!", + return result); + } + + if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) { + /*populate MCLK dpm table to SMU7 */ + result = iceland_populate_all_memory_levels(hwmgr); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to populate MCLK during PopulateNewDPMClocksStates Function!", + return result); + } + + return result; +} + +static int iceland_trim_single_dpm_states(struct pp_hwmgr *hwmgr, + struct iceland_single_dpm_table *pdpm_table, + uint32_t low_limit, uint32_t high_limit) +{ + uint32_t i; + + for (i = 0; i < pdpm_table->count; i++) { + if ((pdpm_table->dpm_levels[i].value < low_limit) || + (pdpm_table->dpm_levels[i].value > high_limit)) + pdpm_table->dpm_levels[i].enabled = false; + else + pdpm_table->dpm_levels[i].enabled = true; + } + return 0; +} + +static int iceland_trim_dpm_states(struct pp_hwmgr *hwmgr, const struct iceland_power_state *hw_state) +{ + int result = 0; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t high_limit_count; + + PP_ASSERT_WITH_CODE((hw_state->performance_level_count >= 1), + "power state did not have any performance level", + return -1); + + high_limit_count = (1 == hw_state->performance_level_count) ? 0: 1; + + iceland_trim_single_dpm_states(hwmgr, &(data->dpm_table.sclk_table), + hw_state->performance_levels[0].engine_clock, + hw_state->performance_levels[high_limit_count].engine_clock); + + iceland_trim_single_dpm_states(hwmgr, &(data->dpm_table.mclk_table), + hw_state->performance_levels[0].memory_clock, + hw_state->performance_levels[high_limit_count].memory_clock); + + return result; +} + +static int iceland_generate_dpm_level_enable_mask(struct pp_hwmgr *hwmgr, const void *input) +{ + int result; + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state); + + result = iceland_trim_dpm_states(hwmgr, iceland_ps); + if (0 != result) + return result; + + data->dpm_level_enable_mask.sclk_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&data->dpm_table.sclk_table); + data->dpm_level_enable_mask.mclk_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&data->dpm_table.mclk_table); + data->last_mclk_dpm_enable_mask = data->dpm_level_enable_mask.mclk_dpm_enable_mask; + if (data->uvd_enabled && (data->dpm_level_enable_mask.mclk_dpm_enable_mask & 1)) + data->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE; + + data->dpm_level_enable_mask.pcie_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&data->dpm_table.pcie_speed_table); + + return 0; +} + +static int iceland_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input) +{ + return 0; +} + +int iceland_update_sclk_threshold(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + int result = 0; + uint32_t low_sclk_interrupt_threshold = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkThrottleLowNotification) + && (hwmgr->gfx_arbiter.sclk_threshold != data->low_sclk_interrupt_threshold)) { + data->low_sclk_interrupt_threshold = hwmgr->gfx_arbiter.sclk_threshold; + low_sclk_interrupt_threshold = data->low_sclk_interrupt_threshold; + + CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold); + + result = iceland_copy_bytes_to_smc( + hwmgr->smumgr, + data->dpm_table_start + offsetof(SMU71_Discrete_DpmTable, + LowSclkInterruptThreshold), + (uint8_t *)&low_sclk_interrupt_threshold, + sizeof(uint32_t), + data->sram_end + ); + } + + return result; +} + +static int iceland_update_and_upload_mc_reg_table(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + uint32_t address; + int32_t result; + + if (0 == (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) + return 0; + + + memset(&data->mc_reg_table, 0, sizeof(SMU71_Discrete_MCRegisters)); + + result = iceland_convert_mc_reg_table_to_smc(hwmgr, &(data->mc_reg_table)); + + if(result != 0) + return result; + + + address = data->mc_reg_table_start + (uint32_t)offsetof(SMU71_Discrete_MCRegisters, data[0]); + + return iceland_copy_bytes_to_smc(hwmgr->smumgr, address, + (uint8_t *)&data->mc_reg_table.data[0], + sizeof(SMU71_Discrete_MCRegisterSet) * data->dpm_table.mclk_table.count, + data->sram_end); +} + +static int iceland_program_memory_timing_parameters_conditionally(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + if (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK)) + return iceland_program_memory_timing_parameters(hwmgr); + + return 0; +} + +static int iceland_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + if (0 == data->need_update_smu7_dpm_table) + return 0; + + if ((0 == data->sclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & + (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) { + + PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr), + "Trying to Unfreeze SCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_UnfreezeLevel), + "Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!", + return -1); + } + + if ((0 == data->mclk_dpm_key_disabled) && + (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) { + + PP_ASSERT_WITH_CODE( + 0 == iceland_is_dpm_running(hwmgr), + "Trying to Unfreeze MCLK DPM when DPM is disabled", + ); + PP_ASSERT_WITH_CODE( + 0 == smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_UnfreezeLevel), + "Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!", + return -1); + } + + data->need_update_smu7_dpm_table = 0; + + return 0; +} + +static int iceland_notify_link_speed_change_after_state_change(struct pp_hwmgr *hwmgr, const void *input) +{ + const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state); + uint16_t target_link_speed = iceland_get_maximum_link_speed(hwmgr, iceland_ps); + uint8_t request; + + if (data->pspp_notify_required || + data->pcie_performance_request) { + if (target_link_speed == PP_PCIEGen3) + request = PCIE_PERF_REQ_GEN3; + else if (target_link_speed == PP_PCIEGen2) + request = PCIE_PERF_REQ_GEN2; + else + request = PCIE_PERF_REQ_GEN1; + + if(request == PCIE_PERF_REQ_GEN1 && iceland_get_current_pcie_speed(hwmgr) > 0) { + data->pcie_performance_request = false; + return 0; + } + + if (0 != acpi_pcie_perf_request(hwmgr->device, request, false)) { + if (PP_PCIEGen2 == target_link_speed) + printk("PSPP request to switch to Gen2 from Gen3 Failed!"); + else + printk("PSPP request to switch to Gen1 from Gen2 Failed!"); + } + } + + data->pcie_performance_request = false; + return 0; +} + +int iceland_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr) +{ + PPSMC_Result result; + iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend); + + if (0 == data->sclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + if (0 != iceland_is_dpm_running(hwmgr)) + printk(KERN_ERR "[ powerplay ] Trying to set Enable Sclk Mask when DPM is disabled \n"); + + if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) { + result = smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)PPSMC_MSG_SCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.sclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == result), + "Set Sclk Dpm enable Mask failed", return -1); + } + } + + if (0 == data->mclk_dpm_key_disabled) { + /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/ + if (0 != iceland_is_dpm_running(hwmgr)) + printk(KERN_ERR "[ powerplay ] Trying to set Enable Mclk Mask when DPM is disabled \n"); + + if (0 != data->dpm_level_enable_mask.mclk_dpm_enable_mask) { + result = smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, + (PPSMC_Msg)PPSMC_MSG_MCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.mclk_dpm_enable_mask); + PP_ASSERT_WITH_CODE((0 == result), + "Set Mclk Dpm enable Mask failed", return -1); + } + } + + return 0; +} + +static int iceland_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input) +{ + int tmp_result, result = 0; + + tmp_result = iceland_find_dpm_states_clocks_in_dpm_table(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to find DPM states clocks in DPM table!", result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) { + tmp_result = iceland_request_link_speed_change_before_state_change(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to request link speed change before state change!", result = tmp_result); + } + + tmp_result = iceland_freeze_sclk_mclk_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to freeze SCLK MCLK DPM!", result = tmp_result); + + tmp_result = iceland_populate_and_upload_sclk_mclk_dpm_levels(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to populate and upload SCLK MCLK DPM levels!", result = tmp_result); + + tmp_result = iceland_generate_dpm_level_enable_mask(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to generate DPM level enabled mask!", result = tmp_result); + + tmp_result = iceland_update_vce_dpm(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update VCE DPM!", result = tmp_result); + + tmp_result = iceland_update_sclk_threshold(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update SCLK threshold!", result = tmp_result); + + tmp_result = iceland_update_and_upload_mc_reg_table(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload MC reg table!", result = tmp_result); + + tmp_result = iceland_program_memory_timing_parameters_conditionally(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to program memory timing parameters!", result = tmp_result); + + tmp_result = iceland_unfreeze_sclk_mclk_dpm(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to unfreeze SCLK MCLK DPM!", result = tmp_result); + + tmp_result = iceland_upload_dpm_level_enable_mask(hwmgr); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload DPM level enabled mask!", result = tmp_result); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) { + tmp_result = iceland_notify_link_speed_change_after_state_change(hwmgr, input); + PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to notify link speed change after state change!", result = tmp_result); + } + + return result; +} + +static int iceland_get_power_state_size(struct pp_hwmgr *hwmgr) +{ + return sizeof(struct iceland_power_state); +} + +static int iceland_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct iceland_power_state *iceland_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + iceland_ps = cast_phw_iceland_power_state(&ps->hardware); + + if (low) + return iceland_ps->performance_levels[0].memory_clock; + else + return iceland_ps->performance_levels[iceland_ps->performance_level_count-1].memory_clock; +} + +static int iceland_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low) +{ + struct pp_power_state *ps; + struct iceland_power_state *iceland_ps; + + if (hwmgr == NULL) + return -EINVAL; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + iceland_ps = cast_phw_iceland_power_state(&ps->hardware); + + if (low) + return iceland_ps->performance_levels[0].engine_clock; + else + return iceland_ps->performance_levels[iceland_ps->performance_level_count-1].engine_clock; +} + +static int iceland_get_current_pcie_lane_number( + struct pp_hwmgr *hwmgr) +{ + uint32_t link_width; + + link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device, + CGS_IND_REG__PCIE, + PCIE_LC_LINK_WIDTH_CNTL, + LC_LINK_WIDTH_RD); + + PP_ASSERT_WITH_CODE((7 >= link_width), + "Invalid PCIe lane width!", return 0); + + return decode_pcie_lane_width(link_width); +} + +static int iceland_dpm_patch_boot_state(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_power_state *ps = (struct iceland_power_state *)hw_ps; + ATOM_FIRMWARE_INFO_V2_2 *fw_info; + uint16_t size; + uint8_t frev, crev; + int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); + + /* First retrieve the Boot clocks and VDDC from the firmware info table. + * We assume here that fw_info is unchanged if this call fails. + */ + fw_info = (ATOM_FIRMWARE_INFO_V2_2 *)cgs_atom_get_data_table( + hwmgr->device, index, + &size, &frev, &crev); + if (!fw_info) + /* During a test, there is no firmware info table. */ + return 0; + + /* Patch the state. */ + data->vbios_boot_state.sclk_bootup_value = le32_to_cpu(fw_info->ulDefaultEngineClock); + data->vbios_boot_state.mclk_bootup_value = le32_to_cpu(fw_info->ulDefaultMemoryClock); + data->vbios_boot_state.mvdd_bootup_value = le16_to_cpu(fw_info->usBootUpMVDDCVoltage); + data->vbios_boot_state.vddc_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCVoltage); + data->vbios_boot_state.vddci_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCIVoltage); + data->vbios_boot_state.pcie_gen_bootup_value = iceland_get_current_pcie_speed(hwmgr); + data->vbios_boot_state.pcie_lane_bootup_value = + (uint16_t)iceland_get_current_pcie_lane_number(hwmgr); + + /* set boot power state */ + ps->performance_levels[0].memory_clock = data->vbios_boot_state.mclk_bootup_value; + ps->performance_levels[0].engine_clock = data->vbios_boot_state.sclk_bootup_value; + ps->performance_levels[0].pcie_gen = data->vbios_boot_state.pcie_gen_bootup_value; + ps->performance_levels[0].pcie_lane = data->vbios_boot_state.pcie_lane_bootup_value; + + return 0; +} + +static int iceland_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *power_state, + unsigned int index, const void *clock_info) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_power_state *iceland_power_state = cast_phw_iceland_power_state(power_state); + const ATOM_PPLIB_CI_CLOCK_INFO *visland_clk_info = clock_info; + struct iceland_performance_level *performance_level; + uint32_t engine_clock, memory_clock; + uint16_t pcie_gen_from_bios; + + engine_clock = visland_clk_info->ucEngineClockHigh << 16 | visland_clk_info->usEngineClockLow; + memory_clock = visland_clk_info->ucMemoryClockHigh << 16 | visland_clk_info->usMemoryClockLow; + + if (!(data->mc_micro_code_feature & DISABLE_MC_LOADMICROCODE) && memory_clock > data->highest_mclk) + data->highest_mclk = memory_clock; + + performance_level = &(iceland_power_state->performance_levels + [iceland_power_state->performance_level_count++]); + + PP_ASSERT_WITH_CODE( + (iceland_power_state->performance_level_count < SMU71_MAX_LEVELS_GRAPHICS), + "Performance levels exceeds SMC limit!", + return -1); + + PP_ASSERT_WITH_CODE( + (iceland_power_state->performance_level_count <= + hwmgr->platform_descriptor.hardwareActivityPerformanceLevels), + "Performance levels exceeds Driver limit!", + return -1); + + /* Performance levels are arranged from low to high. */ + performance_level->memory_clock = memory_clock; + performance_level->engine_clock = engine_clock; + + pcie_gen_from_bios = visland_clk_info->ucPCIEGen; + + performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, pcie_gen_from_bios); + performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, visland_clk_info->usPCIELane); + + return 0; +} + +static int iceland_get_pp_table_entry(struct pp_hwmgr *hwmgr, + unsigned long entry_index, struct pp_power_state *state) +{ + int result; + struct iceland_power_state *ps; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct phm_clock_voltage_dependency_table *dep_mclk_table = + hwmgr->dyn_state.vddci_dependency_on_mclk; + + memset(&state->hardware, 0x00, sizeof(struct pp_hw_power_state)); + + state->hardware.magic = PHM_VIslands_Magic; + + ps = (struct iceland_power_state *)(&state->hardware); + + result = pp_tables_get_entry(hwmgr, entry_index, state, + iceland_get_pp_table_entry_callback_func); + + /* + * This is the earliest time we have all the dependency table + * and the VBIOS boot state as + * PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot + * state if there is only one VDDCI/MCLK level, check if it's + * the same as VBIOS boot state + */ + if (dep_mclk_table != NULL && dep_mclk_table->count == 1) { + if (dep_mclk_table->entries[0].clk != + data->vbios_boot_state.mclk_bootup_value) + printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table " + "does not match VBIOS boot MCLK level"); + if (dep_mclk_table->entries[0].v != + data->vbios_boot_state.vddci_bootup_value) + printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table " + "does not match VBIOS boot VDDCI level"); + } + + /* set DC compatible flag if this state supports DC */ + if (!state->validation.disallowOnDC) + ps->dc_compatible = true; + + if (state->classification.flags & PP_StateClassificationFlag_ACPI) + data->acpi_pcie_gen = ps->performance_levels[0].pcie_gen; + else if (0 != (state->classification.flags & PP_StateClassificationFlag_Boot)) { + if (data->bacos.best_match == 0xffff) { + /* For C.I. use boot state as base BACO state */ + data->bacos.best_match = PP_StateClassificationFlag_Boot; + data->bacos.performance_level = ps->performance_levels[0]; + } + } + + + ps->uvd_clocks.VCLK = state->uvd_clocks.VCLK; + ps->uvd_clocks.DCLK = state->uvd_clocks.DCLK; + + if (!result) { + uint32_t i; + + switch (state->classification.ui_label) { + case PP_StateUILabel_Performance: + data->use_pcie_performance_levels = true; + + for (i = 0; i < ps->performance_level_count; i++) { + if (data->pcie_gen_performance.max < + ps->performance_levels[i].pcie_gen) + data->pcie_gen_performance.max = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_gen_performance.min > + ps->performance_levels[i].pcie_gen) + data->pcie_gen_performance.min = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_lane_performance.max < + ps->performance_levels[i].pcie_lane) + data->pcie_lane_performance.max = + ps->performance_levels[i].pcie_lane; + + if (data->pcie_lane_performance.min > + ps->performance_levels[i].pcie_lane) + data->pcie_lane_performance.min = + ps->performance_levels[i].pcie_lane; + } + break; + case PP_StateUILabel_Battery: + data->use_pcie_power_saving_levels = true; + + for (i = 0; i < ps->performance_level_count; i++) { + if (data->pcie_gen_power_saving.max < + ps->performance_levels[i].pcie_gen) + data->pcie_gen_power_saving.max = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_gen_power_saving.min > + ps->performance_levels[i].pcie_gen) + data->pcie_gen_power_saving.min = + ps->performance_levels[i].pcie_gen; + + if (data->pcie_lane_power_saving.max < + ps->performance_levels[i].pcie_lane) + data->pcie_lane_power_saving.max = + ps->performance_levels[i].pcie_lane; + + if (data->pcie_lane_power_saving.min > + ps->performance_levels[i].pcie_lane) + data->pcie_lane_power_saving.min = + ps->performance_levels[i].pcie_lane; + } + break; + default: + break; + } + } + return 0; +} + +static void +iceland_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m) +{ + uint32_t sclk, mclk, activity_percent; + uint32_t offset; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetSclkFrequency)); + + sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + + smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetMclkFrequency)); + + mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + seq_printf(m, "\n [ mclk ]: %u MHz\n\n [ sclk ]: %u MHz\n", mclk/100, sclk/100); + + offset = data->soft_regs_start + offsetof(SMU71_SoftRegisters, AverageGraphicsActivity); + activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset); + activity_percent += 0x80; + activity_percent >>= 8; + + seq_printf(m, "\n [GPU load]: %u%%\n\n", activity_percent > 100 ? 100 : activity_percent); + + seq_printf(m, "uvd %sabled\n", data->uvd_power_gated ? "dis" : "en"); + + seq_printf(m, "vce %sabled\n", data->vce_power_gated ? "dis" : "en"); +} + +int iceland_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr) +{ + uint32_t num_active_displays = 0; + struct cgs_display_info info = {0}; + info.mode_info = NULL; + + cgs_get_active_displays_info(hwmgr->device, &info); + + num_active_displays = info.display_count; + + if (num_active_displays > 1) /* to do && (pHwMgr->pPECI->displayConfiguration.bMultiMonitorInSync != TRUE)) */ + iceland_notify_smc_display_change(hwmgr, false); + else + iceland_notify_smc_display_change(hwmgr, true); + + return 0; +} + +/** +* Programs the display gap +* +* @param hwmgr the address of the powerplay hardware manager. +* @return always OK +*/ +int iceland_program_display_gap(struct pp_hwmgr *hwmgr) +{ + uint32_t num_active_displays = 0; + uint32_t display_gap = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL); + uint32_t display_gap2; + uint32_t pre_vbi_time_in_us; + uint32_t frame_time_in_us; + uint32_t ref_clock; + uint32_t refresh_rate = 0; + struct cgs_display_info info = {0}; + struct cgs_mode_info mode_info; + + info.mode_info = &mode_info; + + cgs_get_active_displays_info(hwmgr->device, &info); + num_active_displays = info.display_count; + + display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL, DISP_GAP, (num_active_displays > 0)? DISPLAY_GAP_VBLANK_OR_WM : DISPLAY_GAP_IGNORE); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL, display_gap); + + ref_clock = mode_info.ref_clock; + refresh_rate = mode_info.refresh_rate; + + if(0 == refresh_rate) + refresh_rate = 60; + + frame_time_in_us = 1000000 / refresh_rate; + + pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us; + display_gap2 = pre_vbi_time_in_us * (ref_clock / 100); + + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL2, display_gap2); + + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SOFT_REGISTERS_TABLE_4, PreVBlankGap, 0x64); + + PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SOFT_REGISTERS_TABLE_5, VBlankTimeout, (frame_time_in_us - pre_vbi_time_in_us)); + + if (num_active_displays == 1) + iceland_notify_smc_display_change(hwmgr, true); + + return 0; +} + +int iceland_display_configuration_changed_task(struct pp_hwmgr *hwmgr) +{ + iceland_program_display_gap(hwmgr); + + return 0; +} + +/** +* Set maximum target operating fan output PWM +* +* @param pHwMgr: the address of the powerplay hardware manager. +* @param usMaxFanPwm: max operating fan PWM in percents +* @return The response that came from the SMC. +*/ +static int iceland_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm) +{ + hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm; + + if (phm_is_hw_access_blocked(hwmgr)) + return 0; + + return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm) ? 0 : -1); +} + +/** +* Set maximum target operating fan output RPM +* +* @param pHwMgr: the address of the powerplay hardware manager. +* @param usMaxFanRpm: max operating fan RPM value. +* @return The response that came from the SMC. +*/ +static int iceland_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm) +{ + hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM = us_max_fan_pwm; + + if (phm_is_hw_access_blocked(hwmgr)) + return 0; + + return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanRpmMax, us_max_fan_pwm) ? 0 : -1); +} + +static int iceland_dpm_set_interrupt_state(void *private_data, + unsigned src_id, unsigned type, + int enabled) +{ + uint32_t cg_thermal_int; + struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr; + + if (hwmgr == NULL) + return -EINVAL; + + switch (type) { + case AMD_THERMAL_IRQ_LOW_TO_HIGH: + if (enabled) { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } else { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } + break; + + case AMD_THERMAL_IRQ_HIGH_TO_LOW: + if (enabled) { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } else { + cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT); + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int); + } + break; + default: + break; + } + return 0; +} + +static int iceland_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr, + const void *thermal_interrupt_info) +{ + int result; + const struct pp_interrupt_registration_info *info = + (const struct pp_interrupt_registration_info *)thermal_interrupt_info; + + if (info == NULL) + return -EINVAL; + + result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST, + iceland_dpm_set_interrupt_state, + info->call_back, info->context); + + if (result) + return -EINVAL; + + result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST, + iceland_dpm_set_interrupt_state, + info->call_back, info->context); + + if (result) + return -EINVAL; + + return 0; +} + + +static bool iceland_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + bool is_update_required = false; + struct cgs_display_info info = {0,0,NULL}; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + is_update_required = true; +/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL + if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { + cgs_get_min_clock_settings(hwmgr->device, &min_clocks); + if(min_clocks.engineClockInSR != data->display_timing.minClockInSR) + is_update_required = true; +*/ + return is_update_required; +} + + +static inline bool iceland_are_power_levels_equal(const struct iceland_performance_level *pl1, + const struct iceland_performance_level *pl2) +{ + return ((pl1->memory_clock == pl2->memory_clock) && + (pl1->engine_clock == pl2->engine_clock) && + (pl1->pcie_gen == pl2->pcie_gen) && + (pl1->pcie_lane == pl2->pcie_lane)); +} + +int iceland_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, + const struct pp_hw_power_state *pstate2, bool *equal) +{ + const struct iceland_power_state *psa = cast_const_phw_iceland_power_state(pstate1); + const struct iceland_power_state *psb = cast_const_phw_iceland_power_state(pstate2); + int i; + + if (equal == NULL || psa == NULL || psb == NULL) + return -EINVAL; + + /* If the two states don't even have the same number of performance levels they cannot be the same state. */ + if (psa->performance_level_count != psb->performance_level_count) { + *equal = false; + return 0; + } + + for (i = 0; i < psa->performance_level_count; i++) { + if (!iceland_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) { + /* If we have found even one performance level pair that is different the states are different. */ + *equal = false; + return 0; + } + } + + /* If all performance levels are the same try to use the UVD clocks to break the tie.*/ + *equal = ((psa->uvd_clocks.VCLK == psb->uvd_clocks.VCLK) && (psa->uvd_clocks.DCLK == psb->uvd_clocks.DCLK)); + *equal &= ((psa->vce_clocks.EVCLK == psb->vce_clocks.EVCLK) && (psa->vce_clocks.ECCLK == psb->vce_clocks.ECCLK)); + *equal &= (psa->sclk_threshold == psb->sclk_threshold); + *equal &= (psa->acp_clk == psb->acp_clk); + + return 0; +} + +static int iceland_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + if (mode) { + /* stop auto-manage */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) + iceland_fan_ctrl_stop_smc_fan_control(hwmgr); + iceland_fan_ctrl_set_static_mode(hwmgr, mode); + } else + /* restart auto-manage */ + iceland_fan_ctrl_reset_fan_speed_to_default(hwmgr); + + return 0; +} + +static int iceland_get_fan_control_mode(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->fan_ctrl_is_in_default_mode) + return hwmgr->fan_ctrl_default_mode; + else + return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE); +} + +static int iceland_force_clock_level(struct pp_hwmgr *hwmgr, + enum pp_clock_type type, uint32_t mask) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) + return -EINVAL; + + switch (type) { + case PP_SCLK: + if (!data->sclk_dpm_key_disabled) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.sclk_dpm_enable_mask & mask); + break; + case PP_MCLK: + if (!data->mclk_dpm_key_disabled) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_MCLKDPM_SetEnabledMask, + data->dpm_level_enable_mask.mclk_dpm_enable_mask & mask); + break; + case PP_PCIE: + { + uint32_t tmp = mask & data->dpm_level_enable_mask.pcie_dpm_enable_mask; + uint32_t level = 0; + + while (tmp >>= 1) + level++; + + if (!data->pcie_dpm_key_disabled) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_PCIeDPM_ForceLevel, + level); + break; + } + default: + break; + } + + return 0; +} + +static int iceland_print_clock_levels(struct pp_hwmgr *hwmgr, + enum pp_clock_type type, char *buf) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table); + struct iceland_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table); + struct iceland_single_dpm_table *pcie_table = &(data->dpm_table.pcie_speed_table); + int i, now, size = 0; + uint32_t clock, pcie_speed; + + switch (type) { + case PP_SCLK: + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency); + clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + + for (i = 0; i < sclk_table->count; i++) { + if (clock > sclk_table->dpm_levels[i].value) + continue; + break; + } + now = i; + + for (i = 0; i < sclk_table->count; i++) + size += sprintf(buf + size, "%d: %uMhz %s\n", + i, sclk_table->dpm_levels[i].value / 100, + (i == now) ? "*" : ""); + break; + case PP_MCLK: + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetMclkFrequency); + clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0); + + for (i = 0; i < mclk_table->count; i++) { + if (clock > mclk_table->dpm_levels[i].value) + continue; + break; + } + now = i; + + for (i = 0; i < mclk_table->count; i++) + size += sprintf(buf + size, "%d: %uMhz %s\n", + i, mclk_table->dpm_levels[i].value / 100, + (i == now) ? "*" : ""); + break; + case PP_PCIE: + pcie_speed = iceland_get_current_pcie_speed(hwmgr); + for (i = 0; i < pcie_table->count; i++) { + if (pcie_speed != pcie_table->dpm_levels[i].value) + continue; + break; + } + now = i; + + for (i = 0; i < pcie_table->count; i++) + size += sprintf(buf + size, "%d: %s %s\n", i, + (pcie_table->dpm_levels[i].value == 0) ? "2.5GB, x8" : + (pcie_table->dpm_levels[i].value == 1) ? "5.0GB, x16" : + (pcie_table->dpm_levels[i].value == 2) ? "8.0GB, x16" : "", + (i == now) ? "*" : ""); + break; + default: + break; + } + return size; +} + +static int iceland_get_sclk_od(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table); + struct iceland_single_dpm_table *golden_sclk_table = + &(data->golden_dpm_table.sclk_table); + int value; + + value = (sclk_table->dpm_levels[sclk_table->count - 1].value - + golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value) * + 100 / + golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value; + + return value; +} + +static int iceland_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_single_dpm_table *golden_sclk_table = + &(data->golden_dpm_table.sclk_table); + struct pp_power_state *ps; + struct iceland_power_state *iceland_ps; + + if (value > 20) + value = 20; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + iceland_ps = cast_phw_iceland_power_state(&ps->hardware); + + iceland_ps->performance_levels[iceland_ps->performance_level_count - 1].engine_clock = + golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value * + value / 100 + + golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value; + + return 0; +} + +static int iceland_get_mclk_od(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table); + struct iceland_single_dpm_table *golden_mclk_table = + &(data->golden_dpm_table.mclk_table); + int value; + + value = (mclk_table->dpm_levels[mclk_table->count - 1].value - + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) * + 100 / + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value; + + return value; +} + +uint32_t iceland_get_xclk(struct pp_hwmgr *hwmgr) +{ + uint32_t reference_clock; + uint32_t tc; + uint32_t divide; + + ATOM_FIRMWARE_INFO *fw_info; + uint16_t size; + uint8_t frev, crev; + int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); + + tc = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK); + + if (tc) + return TCLK; + + fw_info = (ATOM_FIRMWARE_INFO *)cgs_atom_get_data_table(hwmgr->device, index, + &size, &frev, &crev); + + if (!fw_info) + return 0; + + reference_clock = le16_to_cpu(fw_info->usReferenceClock); + + divide = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL, XTALIN_DIVIDE); + + if (0 != divide) + return reference_clock / 4; + + return reference_clock; +} + +static int iceland_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_single_dpm_table *golden_mclk_table = + &(data->golden_dpm_table.mclk_table); + struct pp_power_state *ps; + struct iceland_power_state *iceland_ps; + + if (value > 20) + value = 20; + + ps = hwmgr->request_ps; + + if (ps == NULL) + return -EINVAL; + + iceland_ps = cast_phw_iceland_power_state(&ps->hardware); + + iceland_ps->performance_levels[iceland_ps->performance_level_count - 1].memory_clock = + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value * + value / 100 + + golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value; + + return 0; +} + +static const struct pp_hwmgr_func iceland_hwmgr_funcs = { + .backend_init = &iceland_hwmgr_backend_init, + .backend_fini = &iceland_hwmgr_backend_fini, + .asic_setup = &iceland_setup_asic_task, + .dynamic_state_management_enable = &iceland_enable_dpm_tasks, + .apply_state_adjust_rules = iceland_apply_state_adjust_rules, + .force_dpm_level = &iceland_force_dpm_level, + .power_state_set = iceland_set_power_state_tasks, + .get_power_state_size = iceland_get_power_state_size, + .get_mclk = iceland_dpm_get_mclk, + .get_sclk = iceland_dpm_get_sclk, + .patch_boot_state = iceland_dpm_patch_boot_state, + .get_pp_table_entry = iceland_get_pp_table_entry, + .get_num_of_pp_table_entries = iceland_get_num_of_entries, + .print_current_perforce_level = iceland_print_current_perforce_level, + .powerdown_uvd = iceland_phm_powerdown_uvd, + .powergate_uvd = iceland_phm_powergate_uvd, + .powergate_vce = iceland_phm_powergate_vce, + .disable_clock_power_gating = iceland_phm_disable_clock_power_gating, + .update_clock_gatings = iceland_phm_update_clock_gatings, + .notify_smc_display_config_after_ps_adjustment = iceland_notify_smc_display_config_after_ps_adjustment, + .display_config_changed = iceland_display_configuration_changed_task, + .set_max_fan_pwm_output = iceland_set_max_fan_pwm_output, + .set_max_fan_rpm_output = iceland_set_max_fan_rpm_output, + .get_temperature = iceland_thermal_get_temperature, + .stop_thermal_controller = iceland_thermal_stop_thermal_controller, + .get_fan_speed_info = iceland_fan_ctrl_get_fan_speed_info, + .get_fan_speed_percent = iceland_fan_ctrl_get_fan_speed_percent, + .set_fan_speed_percent = iceland_fan_ctrl_set_fan_speed_percent, + .reset_fan_speed_to_default = iceland_fan_ctrl_reset_fan_speed_to_default, + .get_fan_speed_rpm = iceland_fan_ctrl_get_fan_speed_rpm, + .set_fan_speed_rpm = iceland_fan_ctrl_set_fan_speed_rpm, + .uninitialize_thermal_controller = iceland_thermal_ctrl_uninitialize_thermal_controller, + .register_internal_thermal_interrupt = iceland_register_internal_thermal_interrupt, + .check_smc_update_required_for_display_configuration = iceland_check_smc_update_required_for_display_configuration, + .check_states_equal = iceland_check_states_equal, + .set_fan_control_mode = iceland_set_fan_control_mode, + .get_fan_control_mode = iceland_get_fan_control_mode, + .force_clock_level = iceland_force_clock_level, + .print_clock_levels = iceland_print_clock_levels, + .get_sclk_od = iceland_get_sclk_od, + .set_sclk_od = iceland_set_sclk_od, + .get_mclk_od = iceland_get_mclk_od, + .set_mclk_od = iceland_set_mclk_od, +}; + +int iceland_hwmgr_init(struct pp_hwmgr *hwmgr) +{ + iceland_hwmgr *data; + + data = kzalloc (sizeof(iceland_hwmgr), GFP_KERNEL); + if (data == NULL) + return -ENOMEM; + memset(data, 0x00, sizeof(iceland_hwmgr)); + + hwmgr->backend = data; + hwmgr->hwmgr_func = &iceland_hwmgr_funcs; + hwmgr->pptable_func = &pptable_funcs; + + /* thermal */ + pp_iceland_thermal_initialize(hwmgr); + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.h new file mode 100644 index 0000000..f253988 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_hwmgr.h @@ -0,0 +1,424 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ +#ifndef ICELAND_HWMGR_H +#define ICELAND_HWMGR_H + +#include "hwmgr.h" +#include "ppatomctrl.h" +#include "ppinterrupt.h" +#include "ppsmc.h" +#include "iceland_powertune.h" +#include "pp_endian.h" +#include "smu71_discrete.h" + +#define ICELAND_MAX_HARDWARE_POWERLEVELS 2 +#define ICELAND_DYNCLK_NUMBER_OF_TREND_COEFFICIENTS 15 + +struct iceland_performance_level { + uint32_t memory_clock; + uint32_t engine_clock; + uint16_t pcie_gen; + uint16_t pcie_lane; +}; + +struct _phw_iceland_bacos { + uint32_t best_match; + uint32_t baco_flags; + struct iceland_performance_level performance_level; +}; +typedef struct _phw_iceland_bacos phw_iceland_bacos; + +struct _phw_iceland_uvd_clocks { + uint32_t VCLK; + uint32_t DCLK; +}; + +typedef struct _phw_iceland_uvd_clocks phw_iceland_uvd_clocks; + +struct _phw_iceland_vce_clocks { + uint32_t EVCLK; + uint32_t ECCLK; +}; + +typedef struct _phw_iceland_vce_clocks phw_iceland_vce_clocks; + +struct iceland_power_state { + uint32_t magic; + phw_iceland_uvd_clocks uvd_clocks; + phw_iceland_vce_clocks vce_clocks; + uint32_t sam_clk; + uint32_t acp_clk; + uint16_t performance_level_count; + bool dc_compatible; + uint32_t sclk_threshold; + struct iceland_performance_level performance_levels[ICELAND_MAX_HARDWARE_POWERLEVELS]; +}; + +struct _phw_iceland_dpm_level { + bool enabled; + uint32_t value; + uint32_t param1; +}; +typedef struct _phw_iceland_dpm_level phw_iceland_dpm_level; + +#define ICELAND_MAX_DEEPSLEEP_DIVIDER_ID 5 +#define MAX_REGULAR_DPM_NUMBER 8 +#define ICELAND_MINIMUM_ENGINE_CLOCK 5000 + +struct iceland_single_dpm_table { + uint32_t count; + phw_iceland_dpm_level dpm_levels[MAX_REGULAR_DPM_NUMBER]; +}; + +struct iceland_dpm_table { + struct iceland_single_dpm_table sclk_table; + struct iceland_single_dpm_table mclk_table; + struct iceland_single_dpm_table pcie_speed_table; + struct iceland_single_dpm_table vddc_table; + struct iceland_single_dpm_table vdd_gfx_table; + struct iceland_single_dpm_table vdd_ci_table; + struct iceland_single_dpm_table mvdd_table; +}; +typedef struct _phw_iceland_dpm_table phw_iceland_dpm_table; + + +struct _phw_iceland_clock_regisiters { + uint32_t vCG_SPLL_FUNC_CNTL; + uint32_t vCG_SPLL_FUNC_CNTL_2; + uint32_t vCG_SPLL_FUNC_CNTL_3; + uint32_t vCG_SPLL_FUNC_CNTL_4; + uint32_t vCG_SPLL_SPREAD_SPECTRUM; + uint32_t vCG_SPLL_SPREAD_SPECTRUM_2; + uint32_t vDLL_CNTL; + uint32_t vMCLK_PWRMGT_CNTL; + uint32_t vMPLL_AD_FUNC_CNTL; + uint32_t vMPLL_DQ_FUNC_CNTL; + uint32_t vMPLL_FUNC_CNTL; + uint32_t vMPLL_FUNC_CNTL_1; + uint32_t vMPLL_FUNC_CNTL_2; + uint32_t vMPLL_SS1; + uint32_t vMPLL_SS2; +}; +typedef struct _phw_iceland_clock_regisiters phw_iceland_clock_registers; + +struct _phw_iceland_voltage_smio_registers { + uint32_t vs0_vid_lower_smio_cntl; +}; +typedef struct _phw_iceland_voltage_smio_registers phw_iceland_voltage_smio_registers; + + +struct _phw_iceland_mc_reg_entry { + uint32_t mclk_max; + uint32_t mc_data[SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE]; +}; +typedef struct _phw_iceland_mc_reg_entry phw_iceland_mc_reg_entry; + +struct _phw_iceland_mc_reg_table { + uint8_t last; /* number of registers*/ + uint8_t num_entries; /* number of entries in mc_reg_table_entry used*/ + uint16_t validflag; /* indicate the corresponding register is valid or not. 1: valid, 0: invalid. bit0->address[0], bit1->address[1], etc.*/ + phw_iceland_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES]; + SMU71_Discrete_MCRegisterAddress mc_reg_address[SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE]; +}; +typedef struct _phw_iceland_mc_reg_table phw_iceland_mc_reg_table; + +#define DISABLE_MC_LOADMICROCODE 1 +#define DISABLE_MC_CFGPROGRAMMING 2 + + +/*Ultra Low Voltage parameter structure */ +struct phw_iceland_ulv_parm{ + bool ulv_supported; + uint32_t ch_ulv_parameter; + uint32_t ulv_volt_change_delay; + struct iceland_performance_level ulv_power_level; +}; + +#define ICELAND_MAX_LEAKAGE_COUNT 8 + +struct phw_iceland_leakage_voltage { + uint16_t count; + uint16_t leakage_id[ICELAND_MAX_LEAKAGE_COUNT]; + uint16_t actual_voltage[ICELAND_MAX_LEAKAGE_COUNT]; +}; + +struct _phw_iceland_display_timing { + uint32_t min_clock_insr; + uint32_t num_existing_displays; +}; +typedef struct _phw_iceland_display_timing phw_iceland_display_timing; + + +struct phw_iceland_thermal_temperature_setting +{ + long temperature_low; + long temperature_high; + long temperature_shutdown; +}; + +struct _phw_iceland_dpmlevel_enable_mask { + uint32_t uvd_dpm_enable_mask; + uint32_t vce_dpm_enable_mask; + uint32_t acp_dpm_enable_mask; + uint32_t samu_dpm_enable_mask; + uint32_t sclk_dpm_enable_mask; + uint32_t mclk_dpm_enable_mask; + uint32_t pcie_dpm_enable_mask; +}; +typedef struct _phw_iceland_dpmlevel_enable_mask phw_iceland_dpmlevel_enable_mask; + +struct _phw_iceland_pcie_perf_range { + uint16_t max; + uint16_t min; +}; +typedef struct _phw_iceland_pcie_perf_range phw_iceland_pcie_perf_range; + +struct _phw_iceland_vbios_boot_state { + uint16_t mvdd_bootup_value; + uint16_t vddc_bootup_value; + uint16_t vddci_bootup_value; + uint16_t vddgfx_bootup_value; + uint32_t sclk_bootup_value; + uint32_t mclk_bootup_value; + uint16_t pcie_gen_bootup_value; + uint16_t pcie_lane_bootup_value; +}; +typedef struct _phw_iceland_vbios_boot_state phw_iceland_vbios_boot_state; + +#define DPMTABLE_OD_UPDATE_SCLK 0x00000001 +#define DPMTABLE_OD_UPDATE_MCLK 0x00000002 +#define DPMTABLE_UPDATE_SCLK 0x00000004 +#define DPMTABLE_UPDATE_MCLK 0x00000008 + +/* We need to review which fields are needed. */ +/* This is mostly a copy of the RV7xx/Evergreen structure which is close, but not identical to the N.Islands one. */ +struct iceland_hwmgr { + struct iceland_dpm_table dpm_table; + struct iceland_dpm_table golden_dpm_table; + + uint32_t voting_rights_clients0; + uint32_t voting_rights_clients1; + uint32_t voting_rights_clients2; + uint32_t voting_rights_clients3; + uint32_t voting_rights_clients4; + uint32_t voting_rights_clients5; + uint32_t voting_rights_clients6; + uint32_t voting_rights_clients7; + uint32_t static_screen_threshold_unit; + uint32_t static_screen_threshold; + uint32_t voltage_control; + uint32_t vdd_gfx_control; + + uint32_t vddc_vddci_delta; + uint32_t vddc_vddgfx_delta; + + struct pp_interrupt_registration_info internal_high_thermal_interrupt_info; + struct pp_interrupt_registration_info internal_low_thermal_interrupt_info; + struct pp_interrupt_registration_info smc_to_host_interrupt_info; + uint32_t active_auto_throttle_sources; + + struct pp_interrupt_registration_info external_throttle_interrupt; + irq_handler_func_t external_throttle_callback; + void *external_throttle_context; + + struct pp_interrupt_registration_info ctf_interrupt_info; + irq_handler_func_t ctf_callback; + void *ctf_context; + + phw_iceland_clock_registers clock_registers; + phw_iceland_voltage_smio_registers voltage_smio_registers; + + bool is_memory_GDDR5; + uint16_t acpi_vddc; + bool pspp_notify_required; /* Flag to indicate if PSPP notification to SBIOS is required */ + uint16_t force_pcie_gen; /* The forced PCI-E speed if not 0xffff */ + uint16_t acpi_pcie_gen; /* The PCI-E speed at ACPI time */ + uint32_t pcie_gen_cap; /* The PCI-E speed capabilities bitmap from CAIL */ + uint32_t pcie_lane_cap; /* The PCI-E lane capabilities bitmap from CAIL */ + uint32_t pcie_spc_cap; /* Symbol Per Clock Capabilities from registry */ + struct phw_iceland_leakage_voltage vddc_leakage; /* The Leakage VDDC supported (based on leakage ID).*/ + struct phw_iceland_leakage_voltage vddcgfx_leakage; /* The Leakage VDDC supported (based on leakage ID). */ + struct phw_iceland_leakage_voltage vddci_leakage; /* The Leakage VDDCI supported (based on leakage ID). */ + + uint32_t mvdd_control; + uint32_t vddc_mask_low; + uint32_t mvdd_mask_low; + uint16_t max_vddc_in_pp_table; /* the maximum VDDC value in the powerplay table*/ + uint16_t min_vddc_in_pp_table; + uint16_t max_vddci_in_pp_table; /* the maximum VDDCI value in the powerplay table */ + uint16_t min_vddci_in_pp_table; + uint32_t mclk_strobe_mode_threshold; + uint32_t mclk_stutter_mode_threshold; + uint32_t mclk_edc_enable_threshold; + uint32_t mclk_edc_wr_enable_threshold; + bool is_uvd_enabled; + bool is_xdma_enabled; + phw_iceland_vbios_boot_state vbios_boot_state; + + bool battery_state; + bool is_tlu_enabled; + bool pcie_performance_request; + + /* -------------- SMC SRAM Address of firmware header tables ----------------*/ + uint32_t sram_end; /* The first address after the SMC SRAM. */ + uint32_t dpm_table_start; /* The start of the dpm table in the SMC SRAM. */ + uint32_t soft_regs_start; /* The start of the soft registers in the SMC SRAM. */ + uint32_t mc_reg_table_start; /* The start of the mc register table in the SMC SRAM. */ + uint32_t fan_table_start; /* The start of the fan table in the SMC SRAM. */ + uint32_t arb_table_start; /* The start of the ARB setting table in the SMC SRAM. */ + uint32_t ulv_settings_start; + SMU71_Discrete_DpmTable smc_state_table; /* The carbon copy of the SMC state table. */ + SMU71_Discrete_MCRegisters mc_reg_table; + SMU71_Discrete_Ulv ulv_setting; /* The carbon copy of ULV setting. */ + + /* -------------- Stuff originally coming from Evergreen --------------------*/ + phw_iceland_mc_reg_table iceland_mc_reg_table; + uint32_t vdd_ci_control; + pp_atomctrl_voltage_table vddc_voltage_table; + pp_atomctrl_voltage_table vddci_voltage_table; + pp_atomctrl_voltage_table vddgfx_voltage_table; + pp_atomctrl_voltage_table mvdd_voltage_table; + + uint32_t mgcg_cgtt_local2; + uint32_t mgcg_cgtt_local3; + uint32_t gpio_debug; + uint32_t mc_micro_code_feature; + uint32_t highest_mclk; + uint16_t acpi_vdd_ci; + uint8_t mvdd_high_index; + uint8_t mvdd_low_index; + bool dll_defaule_on; + bool performance_request_registered; + + /* ----------------- Low Power Features ---------------------*/ + phw_iceland_bacos bacos; + struct phw_iceland_ulv_parm ulv; + + /* ----------------- CAC Stuff ---------------------*/ + uint32_t cac_table_start; + bool cac_configuration_required; /* TRUE if PP_CACConfigurationRequired == 1 */ + bool driver_calculate_cac_leakage; /* TRUE if PP_DriverCalculateCACLeakage == 1 */ + bool cac_enabled; + + /* ----------------- DPM2 Parameters ---------------------*/ + uint32_t power_containment_features; + bool enable_bapm_feature; + bool enable_dte_feature; + bool enable_tdc_limit_feature; + bool enable_pkg_pwr_tracking_feature; + bool disable_uvd_power_tune_feature; + struct iceland_pt_defaults *power_tune_defaults; + SMU71_Discrete_PmFuses power_tune_table; + uint32_t ul_dte_tj_offset; /* Fudge factor in DPM table to correct HW DTE errors */ + uint32_t fast_watermark_threshold; /* use fast watermark if clock is equal or above this. In percentage of the target high sclk. */ + + /* ----------------- Phase Shedding ---------------------*/ + bool vddc_phase_shed_control; + + /* --------------------- DI/DT --------------------------*/ + phw_iceland_display_timing display_timing; + + /* --------- ReadRegistry data for memory and engine clock margins ---- */ + uint32_t engine_clock_data; + uint32_t memory_clock_data; + + /* -------- Thermal Temperature Setting --------------*/ + struct phw_iceland_thermal_temperature_setting thermal_temp_setting; + phw_iceland_dpmlevel_enable_mask dpm_level_enable_mask; + + uint32_t need_update_smu7_dpm_table; + uint32_t sclk_dpm_key_disabled; + uint32_t mclk_dpm_key_disabled; + uint32_t pcie_dpm_key_disabled; + /* used to store the previous dal min sclock */ + uint32_t min_engine_clocks; + phw_iceland_pcie_perf_range pcie_gen_performance; + phw_iceland_pcie_perf_range pcie_lane_performance; + phw_iceland_pcie_perf_range pcie_gen_power_saving; + phw_iceland_pcie_perf_range pcie_lane_power_saving; + bool use_pcie_performance_levels; + bool use_pcie_power_saving_levels; + /* percentage value from 0-100, default 50 */ + uint32_t activity_target[SMU71_MAX_LEVELS_GRAPHICS]; + uint32_t mclk_activity_target; + uint32_t low_sclk_interrupt_threshold; + uint32_t last_mclk_dpm_enable_mask; + bool uvd_enabled; + uint32_t pcc_monitor_enabled; + + /* --------- Power Gating States ------------*/ + bool uvd_power_gated; /* 1: gated, 0:not gated */ + bool vce_power_gated; /* 1: gated, 0:not gated */ + bool samu_power_gated; /* 1: gated, 0:not gated */ + bool acp_power_gated; /* 1: gated, 0:not gated */ + bool pg_acp_init; + + /* soft pptable for re-uploading into smu */ + void *soft_pp_table; +}; + +typedef struct iceland_hwmgr iceland_hwmgr; + +int iceland_hwmgr_init(struct pp_hwmgr *hwmgr); +int iceland_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate); +uint32_t iceland_get_xclk(struct pp_hwmgr *hwmgr); +int iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr *hwmgr); +int iceland_populate_vddc_vid(struct pp_hwmgr *hwmgr); + +#define ICELAND_DPM2_NEAR_TDP_DEC 10 +#define ICELAND_DPM2_ABOVE_SAFE_INC 5 +#define ICELAND_DPM2_BELOW_SAFE_INC 20 + +/* + * Log2 of the LTA window size (l2numWin_TDP). Eg. If LTA windows size + * is 128, then this value should be Log2(128) = 7. + */ +#define ICELAND_DPM2_LTA_WINDOW_SIZE 7 + +#define ICELAND_DPM2_LTS_TRUNCATE 0 + +#define ICELAND_DPM2_TDP_SAFE_LIMIT_PERCENT 80 // Maximum 100 + +#define ICELAND_DPM2_MAXPS_PERCENT_H 90 // Maximum 0xFF +#define ICELAND_DPM2_MAXPS_PERCENT_M 90 // Maximum 0xFF + +#define ICELAND_DPM2_PWREFFICIENCYRATIO_MARGIN 50 + +#define ICELAND_DPM2_SQ_RAMP_MAX_POWER 0x3FFF +#define ICELAND_DPM2_SQ_RAMP_MIN_POWER 0x12 +#define ICELAND_DPM2_SQ_RAMP_MAX_POWER_DELTA 0x15 +#define ICELAND_DPM2_SQ_RAMP_SHORT_TERM_INTERVAL_SIZE 0x1E +#define ICELAND_DPM2_SQ_RAMP_LONG_TERM_INTERVAL_RATIO 0xF + +#define ICELAND_VOLTAGE_CONTROL_NONE 0x0 +#define ICELAND_VOLTAGE_CONTROL_BY_GPIO 0x1 +#define ICELAND_VOLTAGE_CONTROL_BY_SVID2 0x2 + +/* convert to Q8.8 format for firmware */ +#define ICELAND_Q88_FORMAT_CONVERSION_UNIT 256 + +#define ICELAND_UNUSED_GPIO_PIN 0x7F + +#endif diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c new file mode 100644 index 0000000..d10cd9f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c @@ -0,0 +1,491 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ + +#include "amdgpu.h" +#include "hwmgr.h" +#include "smumgr.h" +#include "iceland_hwmgr.h" +#include "iceland_powertune.h" +#include "iceland_smumgr.h" +#include "smu71_discrete.h" +#include "smu71.h" +#include "pp_debug.h" +#include "cgs_common.h" +#include "pp_endian.h" + +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" + +#define VOLTAGE_SCALE 4 +#define POWERTUNE_DEFAULT_SET_MAX 1 + +#define DEVICE_ID_VI_ICELAND_M_6900 0x6900 +#define DEVICE_ID_VI_ICELAND_M_6901 0x6901 +#define DEVICE_ID_VI_ICELAND_M_6902 0x6902 +#define DEVICE_ID_VI_ICELAND_M_6903 0x6903 + + +struct iceland_pt_defaults defaults_iceland = +{ + /* + * sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc, + * TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, BAPM_TEMP_GRADIENT + */ + 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000, + { 0x79, 0x253, 0x25D, 0xAE, 0x72, 0x80, 0x83, 0x86, 0x6F, 0xC8, 0xC9, 0xC9, 0x2F, 0x4D, 0x61 }, + { 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 } +}; + +/* 35W - XT, XTL */ +struct iceland_pt_defaults defaults_icelandxt = +{ + /* + * sviLoadLIneEn, SviLoadLineVddC, + * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt, + * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, + * BAPM_TEMP_GRADIENT + */ + 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0, + { 0xA7, 0x0, 0x0, 0xB5, 0x0, 0x0, 0x9F, 0x0, 0x0, 0xD6, 0x0, 0x0, 0xD7, 0x0, 0x0}, + { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0} +}; + +/* 25W - PRO, LE */ +struct iceland_pt_defaults defaults_icelandpro = +{ + /* + * sviLoadLIneEn, SviLoadLineVddC, + * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt, + * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, + * BAPM_TEMP_GRADIENT + */ + 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0, + { 0xB7, 0x0, 0x0, 0xC3, 0x0, 0x0, 0xB5, 0x0, 0x0, 0xEA, 0x0, 0x0, 0xE6, 0x0, 0x0}, + { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0} +}; + +void iceland_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t tmp = 0; + struct cgs_system_info sys_info = {0}; + uint32_t pdev_id; + + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV; + cgs_query_system_info(hwmgr->device, &sys_info); + pdev_id = (uint32_t)sys_info.value; + + switch (pdev_id) { + case DEVICE_ID_VI_ICELAND_M_6900: + case DEVICE_ID_VI_ICELAND_M_6903: + data->power_tune_defaults = &defaults_icelandxt; + break; + + case DEVICE_ID_VI_ICELAND_M_6901: + case DEVICE_ID_VI_ICELAND_M_6902: + data->power_tune_defaults = &defaults_icelandpro; + break; + default: + /* TODO: need to assign valid defaults */ + data->power_tune_defaults = &defaults_iceland; + pr_warning("Unknown V.I. Device ID.\n"); + break; + } + + /* Assume disabled */ + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SQRamping); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DBRamping); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TDRamping); + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_TCPRamping); + + data->ul_dte_tj_offset = tmp; + + if (!tmp) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC); + + data->fast_watermark_threshold = 100; + + if (hwmgr->powercontainment_enabled) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment); + tmp = 1; + data->enable_dte_feature = tmp ? false : true; + data->enable_tdc_limit_feature = tmp ? true : false; + data->enable_pkg_pwr_tracking_feature = tmp ? true : false; + } + } +} + +int iceland_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + struct iceland_pt_defaults *defaults = data->power_tune_defaults; + SMU71_Discrete_DpmTable *dpm_table = &(data->smc_state_table); + struct phm_cac_tdp_table *cac_dtp_table = hwmgr->dyn_state.cac_dtp_table; + struct phm_ppm_table *ppm = hwmgr->dyn_state.ppm_parameter_table; + uint16_t *def1, *def2; + int i, j, k; + + /* + * TDP number of fraction bits are changed from 8 to 7 for Iceland + * as requested by SMC team + */ + dpm_table->DefaultTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usTDP * 256)); + dpm_table->TargetTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usConfigurableTDP * 256)); + + dpm_table->DTETjOffset = (uint8_t)data->ul_dte_tj_offset; + + dpm_table->GpuTjMax = (uint8_t)(data->thermal_temp_setting.temperature_high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES); + dpm_table->GpuTjHyst = 8; + + dpm_table->DTEAmbientTempBase = defaults->dte_ambient_temp_base; + + /* The following are for new Iceland Multi-input fan/thermal control */ + if(NULL != ppm) { + dpm_table->PPM_PkgPwrLimit = (uint16_t)ppm->dgpu_tdp * 256 / 1000; + dpm_table->PPM_TemperatureLimit = (uint16_t)ppm->tj_max * 256; + } else { + dpm_table->PPM_PkgPwrLimit = 0; + dpm_table->PPM_TemperatureLimit = 0; + } + + CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_PkgPwrLimit); + CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_TemperatureLimit); + + dpm_table->BAPM_TEMP_GRADIENT = PP_HOST_TO_SMC_UL(defaults->bamp_temp_gradient); + def1 = defaults->bapmti_r; + def2 = defaults->bapmti_rc; + + for (i = 0; i < SMU71_DTE_ITERATIONS; i++) { + for (j = 0; j < SMU71_DTE_SOURCES; j++) { + for (k = 0; k < SMU71_DTE_SINKS; k++) { + dpm_table->BAPMTI_R[i][j][k] = PP_HOST_TO_SMC_US(*def1); + dpm_table->BAPMTI_RC[i][j][k] = PP_HOST_TO_SMC_US(*def2); + def1++; + def2++; + } + } + } + + return 0; +} + +static int iceland_populate_svi_load_line(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + const struct iceland_pt_defaults *defaults = data->power_tune_defaults; + + data->power_tune_table.SviLoadLineEn = defaults->svi_load_line_en; + data->power_tune_table.SviLoadLineVddC = defaults->svi_load_line_vddc; + data->power_tune_table.SviLoadLineTrimVddC = 3; + data->power_tune_table.SviLoadLineOffsetVddC = 0; + + return 0; +} + +static int iceland_populate_tdc_limit(struct pp_hwmgr *hwmgr) +{ + uint16_t tdc_limit; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + const struct iceland_pt_defaults *defaults = data->power_tune_defaults; + + /* TDC number of fraction bits are changed from 8 to 7 + * for Iceland as requested by SMC team + */ + tdc_limit = (uint16_t)(hwmgr->dyn_state.cac_dtp_table->usTDC * 256); + data->power_tune_table.TDC_VDDC_PkgLimit = + CONVERT_FROM_HOST_TO_SMC_US(tdc_limit); + data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc = + defaults->tdc_vddc_throttle_release_limit_perc; + data->power_tune_table.TDC_MAWt = defaults->tdc_mawt; + + return 0; +} + +static int iceland_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + const struct iceland_pt_defaults *defaults = data->power_tune_defaults; + uint32_t temp; + + if (iceland_read_smc_sram_dword(hwmgr->smumgr, + fuse_table_offset + + offsetof(SMU71_Discrete_PmFuses, TdcWaterfallCtl), + (uint32_t *)&temp, data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!", + return -EINVAL); + else + data->power_tune_table.TdcWaterfallCtl = defaults->tdc_waterfall_ctl; + + return 0; +} + +static int iceland_populate_temperature_scaler(struct pp_hwmgr *hwmgr) +{ + return 0; +} + +static int iceland_populate_gnb_lpml(struct pp_hwmgr *hwmgr) +{ + int i; + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + /* Currently not used. Set all to zero. */ + for (i = 0; i < 8; i++) + data->power_tune_table.GnbLPML[i] = 0; + + return 0; +} + +static int iceland_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) +{ + return 0; +} + +static int iceland_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint16_t HiSidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd; + uint16_t LoSidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd; + struct phm_cac_tdp_table *cac_table = hwmgr->dyn_state.cac_dtp_table; + + HiSidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256); + LoSidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256); + + data->power_tune_table.BapmVddCBaseLeakageHiSidd = + CONVERT_FROM_HOST_TO_SMC_US(HiSidd); + data->power_tune_table.BapmVddCBaseLeakageLoSidd = + CONVERT_FROM_HOST_TO_SMC_US(LoSidd); + + return 0; +} + +int iceland_populate_pm_fuses(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + uint32_t pm_fuse_table_offset; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (iceland_read_smc_sram_dword(hwmgr->smumgr, + SMU71_FIRMWARE_HEADER_LOCATION + + offsetof(SMU71_Firmware_Header, PmFuseTable), + &pm_fuse_table_offset, data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to get pm_fuse_table_offset Failed!", + return -EINVAL); + + /* DW0 - DW3 */ + if (iceland_populate_bapm_vddc_vid_sidd(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate bapm vddc vid Failed!", + return -EINVAL); + + /* DW4 - DW5 */ + if (iceland_populate_vddc_vid(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate vddc vid Failed!", + return -EINVAL); + + /* DW6 */ + if (iceland_populate_svi_load_line(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate SviLoadLine Failed!", + return -EINVAL); + /* DW7 */ + if (iceland_populate_tdc_limit(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TDCLimit Failed!", return -EINVAL); + /* DW8 */ + if (iceland_populate_dw8(hwmgr, pm_fuse_table_offset)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TdcWaterfallCtl, " + "LPMLTemperature Min and Max Failed!", + return -EINVAL); + + /* DW9-DW12 */ + if (0 != iceland_populate_temperature_scaler(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate LPMLTemperatureScaler Failed!", + return -EINVAL); + + /* DW13-DW16 */ + if (iceland_populate_gnb_lpml(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate GnbLPML Failed!", + return -EINVAL); + + /* DW17 */ + if (iceland_min_max_vgnb_lpml_id_from_bapm_vddc(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate GnbLPML Min and Max Vid Failed!", + return -EINVAL); + + /* DW18 */ + if (iceland_populate_bapm_vddc_base_leakage_sidd(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate BapmVddCBaseLeakage Hi and Lo Sidd Failed!", + return -EINVAL); + + if (iceland_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, + (uint8_t *)&data->power_tune_table, + sizeof(struct SMU71_Discrete_PmFuses), data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to download PmFuseTable Failed!", + return -EINVAL); + } + return 0; +} + +int iceland_enable_smc_cac(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + int result = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC)) { + int smc_result; + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_EnableCac)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable CAC in SMC.", result = -1); + + data->cac_enabled = (0 == smc_result) ? true : false; + } + return result; +} + +static int iceland_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + + if(data->power_containment_features & + POWERCONTAINMENT_FEATURE_PkgPwrLimit) + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_PkgPwrSetLimit, n); + return 0; +} + +static int iceland_set_overdriver_target_tdp(struct pp_hwmgr *pHwMgr, uint32_t target_tdp) +{ + return smum_send_msg_to_smc_with_parameter(pHwMgr->smumgr, + PPSMC_MSG_OverDriveSetTargetTdp, target_tdp); +} + +int iceland_enable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + SMU71_Discrete_DpmTable *dpm_table = &data->smc_state_table; + int smc_result; + int result = 0; + uint32_t is_asic_kicker; + + data->power_containment_features = 0; + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + is_asic_kicker = cgs_read_register(hwmgr->device, mmCC_BIF_BX_STRAP2); + is_asic_kicker = (is_asic_kicker >> 12) & 0x01; + + if (data->enable_bapm_feature && + (!is_asic_kicker || + phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc))) { + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_EnableDTE)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable BAPM in SMC.", result = -1;); + if (0 == smc_result) + data->power_containment_features |= POWERCONTAINMENT_FEATURE_BAPM; + } + + if (is_asic_kicker && !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc)) + dpm_table->DTEMode = 2; + + if (data->enable_tdc_limit_feature) { + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_TDCLimitEnable)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable TDCLimit in SMC.", result = -1;); + if (0 == smc_result) + data->power_containment_features |= + POWERCONTAINMENT_FEATURE_TDCLimit; + } + + if (data->enable_pkg_pwr_tracking_feature) { + smc_result = smum_send_msg_to_smc(hwmgr->smumgr, + (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable)); + PP_ASSERT_WITH_CODE((0 == smc_result), + "Failed to enable PkgPwrTracking in SMC.", result = -1;); + if (0 == smc_result) { + struct phm_cac_tdp_table *cac_table = + hwmgr->dyn_state.cac_dtp_table; + uint32_t default_limit = + (uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256); + + data->power_containment_features |= + POWERCONTAINMENT_FEATURE_PkgPwrLimit; + + if (iceland_set_power_limit(hwmgr, default_limit)) + printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); + } + } + } + return result; +} + +int iceland_power_control_set_level(struct pp_hwmgr *hwmgr) +{ + struct phm_cac_tdp_table *cac_table = hwmgr->dyn_state.cac_dtp_table; + int adjust_percent, target_tdp; + int result = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + /* adjustment percentage has already been validated */ + adjust_percent = hwmgr->platform_descriptor.TDPAdjustmentPolarity ? + hwmgr->platform_descriptor.TDPAdjustment : + (-1 * hwmgr->platform_descriptor.TDPAdjustment); + /* + * SMC requested that target_tdp to be 7 bit fraction in DPM table + * but message to be 8 bit fraction for messages + */ + target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100; + result = iceland_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); + } + + return result; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.h new file mode 100644 index 0000000..6c25ee1 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.h @@ -0,0 +1,74 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ +#ifndef ICELAND_POWERTUNE_H +#define ICELAND_POWERTUNE_H + +#include "smu71.h" + +enum iceland_pt_config_reg_type { + ICELAND_CONFIGREG_MMR = 0, + ICELAND_CONFIGREG_SMC_IND, + ICELAND_CONFIGREG_DIDT_IND, + ICELAND_CONFIGREG_CACHE, + ICELAND_CONFIGREG_MAX +}; + +/* PowerContainment Features */ +#define POWERCONTAINMENT_FEATURE_DTE 0x00000001 +#define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002 +#define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004 +#define POWERCONTAINMENT_FEATURE_BAPM 0x00000001 + +struct iceland_pt_config_reg { + uint32_t offset; + uint32_t mask; + uint32_t shift; + uint32_t value; + enum iceland_pt_config_reg_type type; +}; + +struct iceland_pt_defaults +{ + uint8_t svi_load_line_en; + uint8_t svi_load_line_vddc; + uint8_t tdc_vddc_throttle_release_limit_perc; + uint8_t tdc_mawt; + uint8_t tdc_waterfall_ctl; + uint8_t dte_ambient_temp_base; + uint32_t display_cac; + uint32_t bamp_temp_gradient; + uint16_t bapmti_r[SMU71_DTE_ITERATIONS * SMU71_DTE_SOURCES * SMU71_DTE_SINKS]; + uint16_t bapmti_rc[SMU71_DTE_ITERATIONS * SMU71_DTE_SOURCES * SMU71_DTE_SINKS]; +}; + +void iceland_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr); +int iceland_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr); +int iceland_populate_pm_fuses(struct pp_hwmgr *hwmgr); +int iceland_enable_smc_cac(struct pp_hwmgr *hwmgr); +int iceland_enable_power_containment(struct pp_hwmgr *hwmgr); +int iceland_power_control_set_level(struct pp_hwmgr *hwmgr); + +#endif /* ICELAND_POWERTUNE_H */ + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_thermal.c new file mode 100644 index 0000000..527f370 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_thermal.c @@ -0,0 +1,595 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ +#include +#include "iceland_thermal.h" +#include "iceland_hwmgr.h" +#include "iceland_smumgr.h" +#include "atombios.h" +#include "ppsmc.h" + +#include "gmc/gmc_8_1_d.h" +#include "gmc/gmc_8_1_sh_mask.h" + +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" + +#include "smu/smu_7_1_1_d.h" +#include "smu/smu_7_1_1_sh_mask.h" + + +/** +* Get Fan Speed Control Parameters. +* @param hwmgr the address of the powerplay hardware manager. +* @param pSpeed is the address of the structure where the result is to be placed. +* @exception Always succeeds except if we cannot zero out the output structure. +*/ +int iceland_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, + struct phm_fan_speed_info *fan_speed_info) +{ + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + fan_speed_info->supports_percent_read = true; + fan_speed_info->supports_percent_write = true; + fan_speed_info->min_percent = 0; + fan_speed_info->max_percent = 100; + + if (0 != hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) { + fan_speed_info->supports_rpm_read = true; + fan_speed_info->supports_rpm_write = true; + fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM; + fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM; + } else { + fan_speed_info->min_rpm = 0; + fan_speed_info->max_rpm = 0; + } + + return 0; +} + +/** +* Get Fan Speed in percent. +* @param hwmgr the address of the powerplay hardware manager. +* @param pSpeed is the address of the structure where the result is to be placed. +* @exception Fails is the 100% setting appears to be 0. +*/ +int iceland_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed) +{ + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); + duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_STATUS, FDO_PWM_DUTY); + + if (0 == duty100) + return -EINVAL; + + + tmp64 = (uint64_t)duty * 100; + do_div(tmp64, duty100); + *speed = (uint32_t)tmp64; + + if (*speed > 100) + *speed = 100; + + return 0; +} + +/** +* Get Fan Speed in RPM. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the address of the structure where the result is to be placed. +* @exception Returns not supported if no fan is found or if pulses per revolution are not set +*/ +int iceland_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) +{ + return 0; +} + +/** +* Set Fan Speed Control to static mode, so that the user can decide what speed to use. +* @param hwmgr the address of the powerplay hardware manager. +* mode the fan control mode, 0 default, 1 by percent, 5, by RPM +* @exception Should always succeed. +*/ +int iceland_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + + if (hwmgr->fan_ctrl_is_in_default_mode) { + hwmgr->fan_ctrl_default_mode = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE); + hwmgr->tmin = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN); + hwmgr->fan_ctrl_is_in_default_mode = false; + } + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN, 0); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE, mode); + + return 0; +} + +/** +* Reset Fan Speed Control to default mode. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Should always succeed. +*/ +static int iceland_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->fan_ctrl_is_in_default_mode) { + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN, hwmgr->tmin); + hwmgr->fan_ctrl_is_in_default_mode = true; + } + + return 0; +} + +int iceland_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ? 0 : -EINVAL; +} + + +int iceland_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl) == 0) ? 0 : -EINVAL; +} + +/** +* Set Fan Speed in percent. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (0% - 100%) to be set. +* @exception Fails is the 100% setting appears to be 0. +*/ +int iceland_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return -EINVAL; + + if (speed > 100) { + pr_warning("Cannot set more than 100%% duty cycle. Set it to 100.\n"); + speed = 100; + } + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) + iceland_fan_ctrl_stop_smc_fan_control(hwmgr); + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); + + if (0 == duty100) + return -EINVAL; + + tmp64 = (uint64_t)speed * duty100; + do_div(tmp64, 100); + duty = (uint32_t)tmp64; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty); + + return iceland_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); +} + +/** +* Reset Fan Speed to default. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Always succeeds. +*/ +int iceland_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) +{ + int result; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) { + result = iceland_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); + if (0 == result) + result = iceland_fan_ctrl_start_smc_fan_control(hwmgr); + } else + result = iceland_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set Fan Speed in RPM. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (min - max) to be set. +* @exception Fails is the speed not lie between min and max. +*/ +int iceland_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + return 0; +} + +/** +* Reads the remote temperature from the SIslands thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +int iceland_thermal_get_temperature(struct pp_hwmgr *hwmgr) +{ + int temp; + + temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_STATUS, CTF_TEMP); + + /* + * Bit 9 means the reading is lower than the lowest usable + * value. + */ + if (0 != (0x200 & temp)) + temp = ICELAND_THERMAL_MAXIMUM_TEMP_READING; + else + temp = (temp & 0x1ff); + + temp = temp * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + return temp; +} + +/** +* Set the requested temperature range for high and low alert signals +* +* @param hwmgr The address of the hardware manager. +* @param range Temperature range to be programmed for high and low alert signals +* @exception PP_Result_BadInput if the input data is not valid. +*/ +static int iceland_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, uint32_t low_temp, uint32_t high_temp) +{ + uint32_t low = ICELAND_THERMAL_MINIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + uint32_t high = ICELAND_THERMAL_MAXIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + if (low < low_temp) + low = low_temp; + if (high > high_temp) + high = high_temp; + + if (low > high) + return -EINVAL; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL, DIG_THERM_DPM, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + + return 0; +} + +/** +* Programs thermal controller one-time setting registers +* +* @param hwmgr The address of the hardware manager. +*/ +static int iceland_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + if (0 != hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_TACH_CTRL, EDGE_PER_REV, + hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution - 1); + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28); + + return 0; +} + +/** +* Enable thermal alerts on the RV770 thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +static int iceland_thermal_enable_alert(struct pp_hwmgr *hwmgr) +{ + uint32_t alert; + + alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK); + alert &= ~(ICELAND_THERMAL_HIGH_ALERT_MASK | ICELAND_THERMAL_LOW_ALERT_MASK); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK, alert); + + /* send message to SMU to enable internal thermal interrupts */ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable) == 0) ? 0 : -1; +} + +/** +* Disable thermal alerts on the RV770 thermal controller. +* @param hwmgr The address of the hardware manager. +*/ +static int iceland_thermal_disable_alert(struct pp_hwmgr *hwmgr) +{ + uint32_t alert; + + alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK); + alert |= (ICELAND_THERMAL_HIGH_ALERT_MASK | ICELAND_THERMAL_LOW_ALERT_MASK); + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK, alert); + + /* send message to SMU to disable internal thermal interrupts */ + return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable) == 0) ? 0 : -1; +} + +/** +* Uninitialize the thermal controller. +* Currently just disables alerts. +* @param hwmgr The address of the hardware manager. +*/ +int iceland_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) +{ + int result = iceland_thermal_disable_alert(hwmgr); + + if (result) + pr_warning("Failed to disable thermal alerts!\n"); + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + iceland_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set up the fan table to control the fan using the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); + SMU71_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE }; + uint32_t duty100; + uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2; + uint16_t fdo_min, slope1, slope2; + uint32_t reference_clock; + int res; + uint64_t tmp64; + + if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) + return 0; + + if (0 == data->fan_table_start) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); + return 0; + } + + duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); + + if (0 == duty100) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); + return 0; + } + + tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin * duty100; + do_div(tmp64, 10000); + fdo_min = (uint16_t)tmp64; + + t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed - hwmgr->thermal_controller.advanceFanControlParameters.usTMin; + t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh - hwmgr->thermal_controller.advanceFanControlParameters.usTMed; + + pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin; + pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed; + + slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100); + slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100); + + fan_table.TempMin = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMin) / 100); + fan_table.TempMed = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMed) / 100); + fan_table.TempMax = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMax) / 100); + + fan_table.Slope1 = cpu_to_be16(slope1); + fan_table.Slope2 = cpu_to_be16(slope2); + + fan_table.FdoMin = cpu_to_be16(fdo_min); + + fan_table.HystDown = cpu_to_be16(hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst); + + fan_table.HystUp = cpu_to_be16(1); + + fan_table.HystSlope = cpu_to_be16(1); + + fan_table.TempRespLim = cpu_to_be16(5); + + reference_clock = iceland_get_xclk(hwmgr); + + fan_table.RefreshPeriod = cpu_to_be32((hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay * reference_clock) / 1600); + + fan_table.FdoMax = cpu_to_be16((uint16_t)duty100); + + fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_CTRL, TEMP_SEL); + + //fan_table.FanControl_GL_Flag = 1; + + res = iceland_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), data->sram_end); +/* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command. + if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit != 0) + res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanMinPwm, \ + hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit) ? 0 : -1); + + if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit != 0) + res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanSclkTarget, \ + hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit) ? 0 : -1); + + if (0 != res) + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); +*/ + return 0; +} + +/** +* Start the fan control on the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +int tf_iceland_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ +/* If the fantable setup has failed we could have disabled PHM_PlatformCaps_MicrocodeFanControl even after this function was included in the table. + * Make sure that we still think controlling the fan is OK. +*/ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) { + iceland_fan_ctrl_start_smc_fan_control(hwmgr); + iceland_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); + } + + return 0; +} + +/** +* Set temperature range for high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +static int tf_iceland_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input; + + if (range == NULL) + return -EINVAL; + + return iceland_thermal_set_temperature_range(hwmgr, range->min, range->max); +} + +/** +* Programs one-time setting registers +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from initialize thermal controller routine +*/ +static int tf_iceland_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + return iceland_thermal_initialize(hwmgr); +} + +/** +* Enable high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from enable alert routine +*/ +static int tf_iceland_thermal_enable_alert(struct pp_hwmgr *hwmgr, + void *input, void *output, void *storage, int result) +{ + return iceland_thermal_enable_alert(hwmgr); +} + +/** +* Disable high and low alerts +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from disable alert routine +*/ +static int tf_iceland_thermal_disable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) +{ + return iceland_thermal_disable_alert(hwmgr); +} + +static const struct phm_master_table_item iceland_thermal_start_thermal_controller_master_list[] = { + { NULL, tf_iceland_thermal_initialize }, + { NULL, tf_iceland_thermal_set_temperature_range }, + { NULL, tf_iceland_thermal_enable_alert }, + /* + * We should restrict performance levels to low before we halt + * the SMC. On the other hand we are still in boot state when + * we do this so it would be pointless. If this assumption + * changes we have to revisit this table. + */ + { NULL, tf_iceland_thermal_setup_fan_table}, + { NULL, tf_iceland_thermal_start_smc_fan_control}, + { NULL, NULL } +}; + +static const struct phm_master_table_header iceland_thermal_start_thermal_controller_master = { + 0, + PHM_MasterTableFlag_None, + iceland_thermal_start_thermal_controller_master_list +}; + +static const struct phm_master_table_item iceland_thermal_set_temperature_range_master_list[] = { + { NULL, tf_iceland_thermal_disable_alert}, + { NULL, tf_iceland_thermal_set_temperature_range}, + { NULL, tf_iceland_thermal_enable_alert}, + { NULL, NULL } +}; + +static const struct phm_master_table_header iceland_thermal_set_temperature_range_master = { + 0, + PHM_MasterTableFlag_None, + iceland_thermal_set_temperature_range_master_list +}; + +int iceland_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->thermal_controller.fanInfo.bNoFan) + iceland_fan_ctrl_set_default_mode(hwmgr); + return 0; +} + +/** +* Initializes the thermal controller related functions in the Hardware Manager structure. +* @param hwmgr The address of the hardware manager. +* @exception Any error code from the low-level communication. +*/ +int pp_iceland_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + int result; + + result = phm_construct_table(hwmgr, &iceland_thermal_set_temperature_range_master, &(hwmgr->set_temperature_range)); + + if (0 == result) { + result = phm_construct_table(hwmgr, + &iceland_thermal_start_thermal_controller_master, + &(hwmgr->start_thermal_controller)); + if (0 != result) + phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range)); + } + + if (0 == result) + hwmgr->fan_ctrl_is_in_default_mode = true; + return result; +} + diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_thermal.h new file mode 100644 index 0000000..267945f --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_thermal.h @@ -0,0 +1,58 @@ +/* + * Copyright 2016 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. + * + * Author: Huang Rui + * + */ + +#ifndef ICELAND_THERMAL_H +#define ICELAND_THERMAL_H + +#include "hwmgr.h" + +#define ICELAND_THERMAL_HIGH_ALERT_MASK 0x1 +#define ICELAND_THERMAL_LOW_ALERT_MASK 0x2 + +#define ICELAND_THERMAL_MINIMUM_TEMP_READING -256 +#define ICELAND_THERMAL_MAXIMUM_TEMP_READING 255 + +#define ICELAND_THERMAL_MINIMUM_ALERT_TEMP 0 +#define ICELAND_THERMAL_MAXIMUM_ALERT_TEMP 255 + +#define FDO_PWM_MODE_STATIC 1 +#define FDO_PWM_MODE_STATIC_RPM 5 + + +extern int iceland_thermal_get_temperature(struct pp_hwmgr *hwmgr); +extern int iceland_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr); +extern int iceland_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info); +extern int iceland_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int iceland_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode); +extern int iceland_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed); +extern int iceland_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr); +extern int pp_iceland_thermal_initialize(struct pp_hwmgr *hwmgr); +extern int iceland_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr); +extern int iceland_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed); +extern int iceland_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); +extern int iceland_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr); + +#endif + -- cgit v0.10.2