diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 634 |
1 files changed, 634 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c new file mode 100644 index 000000000000..db0370bd60e3 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -0,0 +1,634 @@ +/* + * 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 <linux/types.h> +#include <linux/kernel.h> +#include <linux/gfp.h> +#include <linux/slab.h> +#include "amd_shared.h" +#include "amd_powerplay.h" +#include "pp_instance.h" +#include "power_state.h" +#include "eventmanager.h" + +static int pp_early_init(void *handle) +{ + return 0; +} + +static int pp_sw_init(void *handle) +{ + struct pp_instance *pp_handle; + struct pp_hwmgr *hwmgr; + int ret = 0; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + hwmgr = pp_handle->hwmgr; + + if (hwmgr == NULL || hwmgr->pptable_func == NULL || + hwmgr->hwmgr_func == NULL || + hwmgr->pptable_func->pptable_init == NULL || + hwmgr->hwmgr_func->backend_init == NULL) + return -EINVAL; + + ret = hwmgr->pptable_func->pptable_init(hwmgr); + + if (ret == 0) + ret = hwmgr->hwmgr_func->backend_init(hwmgr); + + return ret; +} + +static int pp_sw_fini(void *handle) +{ + struct pp_instance *pp_handle; + struct pp_hwmgr *hwmgr; + int ret = 0; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + hwmgr = pp_handle->hwmgr; + + if (hwmgr != NULL || hwmgr->hwmgr_func != NULL || + hwmgr->hwmgr_func->backend_fini != NULL) + ret = hwmgr->hwmgr_func->backend_fini(hwmgr); + + return ret; +} + +static int pp_hw_init(void *handle) +{ + struct pp_instance *pp_handle; + struct pp_smumgr *smumgr; + struct pp_eventmgr *eventmgr; + int ret = 0; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + smumgr = pp_handle->smu_mgr; + + if (smumgr == NULL || smumgr->smumgr_funcs == NULL || + smumgr->smumgr_funcs->smu_init == NULL || + smumgr->smumgr_funcs->start_smu == NULL) + return -EINVAL; + + ret = smumgr->smumgr_funcs->smu_init(smumgr); + if (ret) { + printk(KERN_ERR "[ powerplay ] smc initialization failed\n"); + return ret; + } + + ret = smumgr->smumgr_funcs->start_smu(smumgr); + if (ret) { + printk(KERN_ERR "[ powerplay ] smc start failed\n"); + smumgr->smumgr_funcs->smu_fini(smumgr); + return ret; + } + + hw_init_power_state_table(pp_handle->hwmgr); + eventmgr = pp_handle->eventmgr; + + if (eventmgr == NULL || eventmgr->pp_eventmgr_init == NULL) + return -EINVAL; + + ret = eventmgr->pp_eventmgr_init(eventmgr); + return 0; +} + +static int pp_hw_fini(void *handle) +{ + struct pp_instance *pp_handle; + struct pp_smumgr *smumgr; + struct pp_eventmgr *eventmgr; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + eventmgr = pp_handle->eventmgr; + + if (eventmgr != NULL || eventmgr->pp_eventmgr_fini != NULL) + eventmgr->pp_eventmgr_fini(eventmgr); + + smumgr = pp_handle->smu_mgr; + + if (smumgr != NULL || smumgr->smumgr_funcs != NULL || + smumgr->smumgr_funcs->smu_fini != NULL) + smumgr->smumgr_funcs->smu_fini(smumgr); + + return 0; +} + +static bool pp_is_idle(void *handle) +{ + return 0; +} + +static int pp_wait_for_idle(void *handle) +{ + return 0; +} + +static int pp_sw_reset(void *handle) +{ + return 0; +} + +static void pp_print_status(void *handle) +{ + +} + +static int pp_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + return 0; +} + +static int pp_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +static int pp_suspend(void *handle) +{ + struct pp_instance *pp_handle; + struct pp_eventmgr *eventmgr; + struct pem_event_data event_data = { {0} }; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + eventmgr = pp_handle->eventmgr; + pem_handle_event(eventmgr, AMD_PP_EVENT_SUSPEND, &event_data); + return 0; +} + +static int pp_resume(void *handle) +{ + struct pp_instance *pp_handle; + struct pp_eventmgr *eventmgr; + struct pem_event_data event_data = { {0} }; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + eventmgr = pp_handle->eventmgr; + pem_handle_event(eventmgr, AMD_PP_EVENT_RESUME, &event_data); + return 0; +} + +const struct amd_ip_funcs pp_ip_funcs = { + .early_init = pp_early_init, + .late_init = NULL, + .sw_init = pp_sw_init, + .sw_fini = pp_sw_fini, + .hw_init = pp_hw_init, + .hw_fini = pp_hw_fini, + .suspend = pp_suspend, + .resume = pp_resume, + .is_idle = pp_is_idle, + .wait_for_idle = pp_wait_for_idle, + .soft_reset = pp_sw_reset, + .print_status = pp_print_status, + .set_clockgating_state = pp_set_clockgating_state, + .set_powergating_state = pp_set_powergating_state, +}; + +static int pp_dpm_load_fw(void *handle) +{ + return 0; +} + +static int pp_dpm_fw_loading_complete(void *handle) +{ + return 0; +} + +static int pp_dpm_force_performance_level(void *handle, + enum amd_dpm_forced_level level) +{ + struct pp_instance *pp_handle; + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + + hwmgr = pp_handle->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->force_dpm_level == NULL) + return -EINVAL; + + hwmgr->hwmgr_func->force_dpm_level(hwmgr, level); + + return 0; +} + +static enum amd_dpm_forced_level pp_dpm_get_performance_level( + void *handle) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL) + return -EINVAL; + + return (((struct pp_instance *)handle)->hwmgr->dpm_level); +} + +static int pp_dpm_get_sclk(void *handle, bool low) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->get_sclk == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_sclk(hwmgr, low); +} + +static int pp_dpm_get_mclk(void *handle, bool low) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->get_mclk == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_mclk(hwmgr, low); +} + +static int pp_dpm_powergate_vce(void *handle, bool gate) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->powergate_vce == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate); +} + +static int pp_dpm_powergate_uvd(void *handle, bool gate) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->powergate_uvd == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate); +} + +static enum PP_StateUILabel power_state_convert(enum amd_pm_state_type state) +{ + switch (state) { + case POWER_STATE_TYPE_BATTERY: + return PP_StateUILabel_Battery; + case POWER_STATE_TYPE_BALANCED: + return PP_StateUILabel_Balanced; + case POWER_STATE_TYPE_PERFORMANCE: + return PP_StateUILabel_Performance; + default: + return PP_StateUILabel_None; + } +} + +int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, void *output) +{ + int ret = 0; + struct pp_instance *pp_handle; + struct pem_event_data data = { {0} }; + + pp_handle = (struct pp_instance *)handle; + + if (pp_handle == NULL) + return -EINVAL; + + switch (event_id) { + case AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE: + ret = pem_handle_event(pp_handle->eventmgr, event_id, &data); + break; + case AMD_PP_EVENT_ENABLE_USER_STATE: + { + enum amd_pm_state_type ps; + + if (input == NULL) + return -EINVAL; + ps = *(unsigned long *)input; + + data.requested_ui_label = power_state_convert(ps); + ret = pem_handle_event(pp_handle->eventmgr, event_id, &data); + } + break; + default: + break; + } + return ret; +} + +enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle) +{ + struct pp_hwmgr *hwmgr; + struct pp_power_state *state; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->current_ps == NULL) + return -EINVAL; + + state = hwmgr->current_ps; + + switch (state->classification.ui_label) { + case PP_StateUILabel_Battery: + return POWER_STATE_TYPE_BATTERY; + case PP_StateUILabel_Balanced: + return POWER_STATE_TYPE_BALANCED; + case PP_StateUILabel_Performance: + return POWER_STATE_TYPE_PERFORMANCE; + default: + return POWER_STATE_TYPE_DEFAULT; + } +} + +static void +pp_debugfs_print_current_performance_level(void *handle, + struct seq_file *m) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->print_current_perforce_level == NULL) + return; + + hwmgr->hwmgr_func->print_current_perforce_level(hwmgr, m); +} + +static int pp_dpm_set_fan_control_mode(void *handle, uint32_t mode) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->set_fan_control_mode == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->set_fan_control_mode(hwmgr, mode); +} + +static int pp_dpm_get_fan_control_mode(void *handle) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->get_fan_control_mode == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_fan_control_mode(hwmgr); +} + +static int pp_dpm_set_fan_speed_percent(void *handle, uint32_t percent) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->set_fan_speed_percent == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->set_fan_speed_percent(hwmgr, percent); +} + +static int pp_dpm_get_fan_speed_percent(void *handle, uint32_t *speed) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->get_fan_speed_percent == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_fan_speed_percent(hwmgr, speed); +} + +static int pp_dpm_get_temperature(void *handle) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->get_temperature == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_temperature(hwmgr); +} + +const struct amd_powerplay_funcs pp_dpm_funcs = { + .get_temperature = pp_dpm_get_temperature, + .load_firmware = pp_dpm_load_fw, + .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, + .force_performance_level = pp_dpm_force_performance_level, + .get_performance_level = pp_dpm_get_performance_level, + .get_current_power_state = pp_dpm_get_current_power_state, + .get_sclk = pp_dpm_get_sclk, + .get_mclk = pp_dpm_get_mclk, + .powergate_vce = pp_dpm_powergate_vce, + .powergate_uvd = pp_dpm_powergate_uvd, + .dispatch_tasks = pp_dpm_dispatch_tasks, + .print_current_performance_level = pp_debugfs_print_current_performance_level, + .set_fan_control_mode = pp_dpm_set_fan_control_mode, + .get_fan_control_mode = pp_dpm_get_fan_control_mode, + .set_fan_speed_percent = pp_dpm_set_fan_speed_percent, + .get_fan_speed_percent = pp_dpm_get_fan_speed_percent, +}; + +static int amd_pp_instance_init(struct amd_pp_init *pp_init, + struct amd_powerplay *amd_pp) +{ + int ret; + struct pp_instance *handle; + + handle = kzalloc(sizeof(struct pp_instance), GFP_KERNEL); + if (handle == NULL) + return -ENOMEM; + + ret = smum_init(pp_init, handle); + if (ret) + goto fail_smum; + + ret = hwmgr_init(pp_init, handle); + if (ret) + goto fail_hwmgr; + + ret = eventmgr_init(handle); + if (ret) + goto fail_eventmgr; + + amd_pp->pp_handle = handle; + return 0; + +fail_eventmgr: + hwmgr_fini(handle->hwmgr); +fail_hwmgr: + smum_fini(handle->smu_mgr); +fail_smum: + kfree(handle); + return ret; +} + +static int amd_pp_instance_fini(void *handle) +{ + struct pp_instance *instance = (struct pp_instance *)handle; + + if (instance == NULL) + return -EINVAL; + + eventmgr_fini(instance->eventmgr); + + hwmgr_fini(instance->hwmgr); + + smum_fini(instance->smu_mgr); + + kfree(handle); + return 0; +} + +int amd_powerplay_init(struct amd_pp_init *pp_init, + struct amd_powerplay *amd_pp) +{ + int ret; + + if (pp_init == NULL || amd_pp == NULL) + return -EINVAL; + + ret = amd_pp_instance_init(pp_init, amd_pp); + + if (ret) + return ret; + + amd_pp->ip_funcs = &pp_ip_funcs; + amd_pp->pp_funcs = &pp_dpm_funcs; + + return 0; +} + +int amd_powerplay_fini(void *handle) +{ + amd_pp_instance_fini(handle); + + return 0; +} + +/* export this function to DAL */ + +int amd_powerplay_display_configuration_change(void *handle, const void *input) +{ + struct pp_hwmgr *hwmgr; + const struct amd_pp_display_configuration *display_config = input; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + phm_store_dal_configuration_data(hwmgr, display_config); + return 0; +} + +int amd_powerplay_get_display_power_level(void *handle, + struct amd_pp_dal_clock_info *output) +{ + struct pp_hwmgr *hwmgr; + + if (handle == NULL || output == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + return phm_get_dal_power_level(hwmgr, output); +} |