[PATCH 41/51] drm/amdgpu/powerplay: implement thermal control for tonga.
Alex Deucher
alexdeucher at gmail.com
Wed Nov 11 22:18:31 PST 2015
From: Rex Zhu <Rex.Zhu at amd.com>
Implement thermal and fan control for tonga.
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at 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
+
--
1.8.3.1
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