diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/0074-drm-amdgpu-powerplay-implement-thermal-control-for-t.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/0074-drm-amdgpu-powerplay-implement-thermal-control-for-t.patch | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/0074-drm-amdgpu-powerplay-implement-thermal-control-for-t.patch b/meta-amdfalconx86/recipes-kernel/linux/files/0074-drm-amdgpu-powerplay-implement-thermal-control-for-t.patch new file mode 100644 index 00000000..da32eabd --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/files/0074-drm-amdgpu-powerplay-implement-thermal-control-for-t.patch @@ -0,0 +1,904 @@ +From 6b510abe48de659a306ac314d102b11aa2c336c2 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 20 Oct 2015 18:06:23 +0800 +Subject: [PATCH 0074/1110] drm/amdgpu/powerplay: implement thermal control for + tonga. + +Implement thermal and fan control for tonga. + +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/Makefile | 2 +- + drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 150 +++++- + drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h | 1 + + .../gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c | 587 +++++++++++++++++++++ + .../gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h | 60 +++ + 5 files changed, 798 insertions(+), 2 deletions(-) + create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c + create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +index 6f38811..cea032c 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +@@ -6,7 +6,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ + hardwaremanager.o pp_acpi.o cz_hwmgr.o \ + cz_clockpowergating.o \ + tonga_processpptables.o ppatomctrl.o \ +- tonga_hwmgr.o pppcielanes.o \ ++ tonga_hwmgr.o pppcielanes.o tonga_thermal.o\ + fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o + + AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c +index 9a7de1f..088b5bf 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c +@@ -40,6 +40,7 @@ + #include "smumgr.h" + #include "tonga_smumgr.h" + #include "tonga_clockpowergating.h" ++#include "tonga_thermal.h" + + #include "smu/smu_7_1_2_d.h" + #include "smu/smu_7_1_2_sh_mask.h" +@@ -50,6 +51,9 @@ + #include "bif/bif_5_0_d.h" + #include "bif/bif_5_0_sh_mask.h" + ++#include "cgs_linux.h" ++#include "eventmgr.h" ++ + #define MC_CG_ARB_FREQ_F0 0x0a + #define MC_CG_ARB_FREQ_F1 0x0b + #define MC_CG_ARB_FREQ_F2 0x0c +@@ -5721,6 +5725,22 @@ static int tonga_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input + return result; + } + ++/** ++* 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 tonga_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 : -EINVAL); ++} + + int tonga_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr) + { +@@ -5799,6 +5819,122 @@ int tonga_display_configuration_changed_task(struct pp_hwmgr *hwmgr) + return 0; + } + ++/** ++* 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 tonga_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 : -EINVAL); ++} ++ ++uint32_t tonga_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->usMinPixelClockPLL_Output); ++ ++ 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; ++} ++ ++int tonga_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; ++} ++ ++int tonga_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, ++ tonga_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, ++ tonga_dpm_set_interrupt_state, ++ info->call_back, info->context); ++ ++ if (result) ++ return -EINVAL; ++ ++ return 0; ++} ++ + static const struct pp_hwmgr_func tonga_hwmgr_funcs = { + .backend_init = &tonga_hwmgr_backend_init, + .backend_fini = &tonga_hwmgr_backend_fini, +@@ -5820,6 +5956,18 @@ static const struct pp_hwmgr_func tonga_hwmgr_funcs = { + .disable_clock_power_gating = tonga_phm_disable_clock_power_gating, + .notify_smc_display_config_after_ps_adjustment = tonga_notify_smc_display_config_after_ps_adjustment, + .display_config_changed = tonga_display_configuration_changed_task, ++ .set_max_fan_pwm_output = tonga_set_max_fan_pwm_output, ++ .set_max_fan_rpm_output = tonga_set_max_fan_rpm_output, ++ .get_temperature = tonga_thermal_get_temperature, ++ .stop_thermal_controller = tonga_thermal_stop_thermal_controller, ++ .get_fan_speed_info = tonga_fan_ctrl_get_fan_speed_info, ++ .get_fan_speed_percent = tonga_fan_ctrl_get_fan_speed_percent, ++ .set_fan_speed_percent = tonga_fan_ctrl_set_fan_speed_percent, ++ .reset_fan_speed_to_default = tonga_fan_ctrl_reset_fan_speed_to_default, ++ .get_fan_speed_rpm = tonga_fan_ctrl_get_fan_speed_rpm, ++ .set_fan_speed_rpm = tonga_fan_ctrl_set_fan_speed_rpm, ++ .uninitialize_thermal_controller = tonga_thermal_ctrl_uninitialize_thermal_controller, ++ .register_internal_thermal_interrupt = tonga_register_internal_thermal_interrupt, + }; + + int tonga_hwmgr_init(struct pp_hwmgr *hwmgr) +@@ -5834,7 +5982,7 @@ int tonga_hwmgr_init(struct pp_hwmgr *hwmgr) + hwmgr->backend = data; + hwmgr->hwmgr_func = &tonga_hwmgr_funcs; + hwmgr->pptable_func = &tonga_pptable_funcs; +- ++ pp_tonga_thermal_initialize(hwmgr); + return 0; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h +index d773d12..44b985a 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h +@@ -426,6 +426,7 @@ int tonga_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input); + int tonga_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate); + int tonga_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable); + int tonga_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable); ++uint32_t tonga_get_xclk(struct pp_hwmgr *hwmgr); + + #endif + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c +new file mode 100644 +index 0000000..a315507 +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c +@@ -0,0 +1,587 @@ ++/* ++ * Copyright 2015 Advanced Micro Devices, Inc. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the "Software"), ++ * to deal in the Software without restriction, including without limitation ++ * the rights to use, copy, modify, merge, publish, distribute, sublicense, ++ * and/or sell copies of the Software, and to permit persons to whom the ++ * Software is furnished to do so, subject to the following conditions: ++ * ++ * The above copyright notice and this permission notice shall be included in ++ * all copies or substantial portions of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR ++ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR ++ * OTHER DEALINGS IN THE SOFTWARE. ++ * ++ */ ++ ++#include "tonga_thermal.h" ++#include "tonga_hwmgr.h" ++#include "tonga_smumgr.h" ++#include "tonga_ppsmc.h" ++#include "smu/smu_7_1_2_d.h" ++#include "smu/smu_7_1_2_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 tonga_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 tonga_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 tonga_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 tonga_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. ++*/ ++int tonga_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 tonga_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) ++{ ++ int result; ++ ++ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ODFuzzyFanControlSupport)) { ++ cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY); ++ result = (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ? 0 : -EINVAL; ++/* ++ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_FanSpeedInTableIsRPM)) ++ hwmgr->set_max_fan_rpm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM); ++ else ++ hwmgr->set_max_fan_pwm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM); ++*/ ++ } else { ++ cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE); ++ result = (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ? 0 : -EINVAL; ++ } ++/* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command. ++ if (result == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature != 0) ++ result = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanTemperatureTarget, \ ++ hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature) ? 0 : -EINVAL); ++*/ ++ return result; ++} ++ ++ ++int tonga_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 tonga_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) ++ speed = 100; ++ ++ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) ++ tonga_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 * 100; ++ do_div(tmp64, duty100); ++ duty = (uint32_t)tmp64; ++ ++ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty); ++ ++ return tonga_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 tonga_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 = tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); ++ if (0 == result) ++ result = tonga_fan_ctrl_start_smc_fan_control(hwmgr); ++ } else ++ result = tonga_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 tonga_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 tonga_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 = TONGA_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 tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, uint32_t low_temp, uint32_t high_temp) ++{ ++ uint32_t low = TONGA_THERMAL_MINIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; ++ uint32_t high = TONGA_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 tonga_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 tonga_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 &= ~(TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_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 tonga_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 |= (TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_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 tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) ++{ ++ int result = tonga_thermal_disable_alert(hwmgr); ++ ++ if (hwmgr->thermal_controller.fanInfo.bNoFan) ++ tonga_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_tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) ++{ ++ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); ++ SMU72_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 (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 = tonga_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 = tonga_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_tonga_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)) { ++ tonga_fan_ctrl_start_smc_fan_control(hwmgr); ++ tonga_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 ++*/ ++int tf_tonga_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 tonga_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 ++*/ ++int tf_tonga_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) ++{ ++ return tonga_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 ++*/ ++int tf_tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) ++{ ++ return tonga_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_tonga_thermal_disable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result) ++{ ++ return tonga_thermal_disable_alert(hwmgr); ++} ++ ++static struct phm_master_table_item tonga_thermal_start_thermal_controller_master_list[] = { ++ { NULL, tf_tonga_thermal_initialize }, ++ { NULL, tf_tonga_thermal_set_temperature_range }, ++ { NULL, tf_tonga_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_tonga_thermal_setup_fan_table}, ++ { NULL, tf_tonga_thermal_start_smc_fan_control}, ++ { NULL, NULL } ++}; ++ ++static struct phm_master_table_header tonga_thermal_start_thermal_controller_master = { ++ 0, ++ PHM_MasterTableFlag_None, ++ tonga_thermal_start_thermal_controller_master_list ++}; ++ ++static struct phm_master_table_item tonga_thermal_set_temperature_range_master_list[] = { ++ { NULL, tf_tonga_thermal_disable_alert}, ++ { NULL, tf_tonga_thermal_set_temperature_range}, ++ { NULL, tf_tonga_thermal_enable_alert}, ++ { NULL, NULL } ++}; ++ ++struct phm_master_table_header tonga_thermal_set_temperature_range_master = { ++ 0, ++ PHM_MasterTableFlag_None, ++ tonga_thermal_set_temperature_range_master_list ++}; ++ ++int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) ++{ ++ if (!hwmgr->thermal_controller.fanInfo.bNoFan) ++ tonga_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_tonga_thermal_initialize(struct pp_hwmgr *hwmgr) ++{ ++ int result; ++ ++ result = phm_construct_table(hwmgr, &tonga_thermal_set_temperature_range_master, &(hwmgr->set_temperature_range)); ++ ++ if (0 == result) { ++ result = phm_construct_table(hwmgr, ++ &tonga_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/tonga_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h +new file mode 100644 +index 0000000..07680a7 +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.h +@@ -0,0 +1,60 @@ ++/* ++ * Copyright 2015 Advanced Micro Devices, Inc. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the "Software"), ++ * to deal in the Software without restriction, including without limitation ++ * the rights to use, copy, modify, merge, publish, distribute, sublicense, ++ * and/or sell copies of the Software, and to permit persons to whom the ++ * Software is furnished to do so, subject to the following conditions: ++ * ++ * The above copyright notice and this permission notice shall be included in ++ * all copies or substantial portions of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR ++ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR ++ * OTHER DEALINGS IN THE SOFTWARE. ++ * ++ */ ++ ++#ifndef TONGA_THERMAL_H ++#define TONGA_THERMAL_H ++ ++#include "hwmgr.h" ++ ++#define TONGA_THERMAL_HIGH_ALERT_MASK 0x1 ++#define TONGA_THERMAL_LOW_ALERT_MASK 0x2 ++ ++#define TONGA_THERMAL_MINIMUM_TEMP_READING -256 ++#define TONGA_THERMAL_MAXIMUM_TEMP_READING 255 ++ ++#define TONGA_THERMAL_MINIMUM_ALERT_TEMP 0 ++#define TONGA_THERMAL_MAXIMUM_ALERT_TEMP 255 ++ ++#define FDO_PWM_MODE_STATIC 1 ++#define FDO_PWM_MODE_STATIC_RPM 5 ++ ++ ++extern int tf_tonga_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); ++extern int tf_tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); ++extern int tf_tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result); ++ ++extern int tonga_thermal_get_temperature(struct pp_hwmgr *hwmgr); ++extern int tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr); ++extern int tonga_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info); ++extern int tonga_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed); ++extern int tonga_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr); ++extern int tonga_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode); ++extern int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed); ++extern int tonga_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr); ++extern int pp_tonga_thermal_initialize(struct pp_hwmgr *hwmgr); ++extern int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr); ++extern int tonga_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed); ++extern int tonga_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); ++ ++#endif ++ +-- +2.7.4 + |