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/*
* 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 "psm.h"
int psm_get_ui_state(struct pp_eventmgr *eventmgr, enum PP_StateUILabel ui_label, unsigned long *state_id)
{
struct pp_power_state *state;
int table_entries;
struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
int i;
table_entries = hwmgr->num_ps;
state = hwmgr->ps;
for (i = 0; i < table_entries; i++) {
if (state->classification.ui_label & ui_label) {
*state_id = state->id;
return 0;
}
state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
}
return -1;
}
int psm_get_state_by_classification(struct pp_eventmgr *eventmgr, enum PP_StateClassificationFlag flag, unsigned long *state_id)
{
struct pp_power_state *state;
int table_entries;
struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
int i;
table_entries = hwmgr->num_ps;
state = hwmgr->ps;
for (i = 0; i < table_entries; i++) {
if (state->classification.flags & flag) {
*state_id = state->id;
return 0;
}
state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
}
return -1;
}
int psm_set_states(struct pp_eventmgr *eventmgr, unsigned long *state_id)
{
struct pp_power_state *state;
int table_entries;
struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
int i;
table_entries = hwmgr->num_ps;
state = hwmgr->ps;
for (i = 0; i < table_entries; i++) {
if (state->id == *state_id) {
hwmgr->request_ps = state;
return 0;
}
state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
}
return -1;
}
int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip)
{
struct pp_power_state *pcurrent;
struct pp_power_state *requested;
struct pp_hwmgr *hwmgr;
bool equal;
if (skip)
return 0;
hwmgr = eventmgr->hwmgr;
pcurrent = hwmgr->current_ps;
requested = hwmgr->request_ps;
if (requested == NULL)
return 0;
if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal)))
equal = false;
if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {
phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);
hwmgr->current_ps = requested;
}
return 0;
}
int psm_adjust_power_state_static(struct pp_eventmgr *eventmgr, bool skip)
{
return 0;
}
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