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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 <linux/types.h>
#include <linux/kernel.h>
#include <linux/gfp.h>
#include "amd_shared.h"
#include "amd_powerplay.h"
static int pp_early_init(void *handle)
{
return 0;
}
static int pp_sw_init(void *handle)
{
return 0;
}
static int pp_sw_fini(void *handle)
{
return 0;
}
static int pp_hw_init(void *handle)
{
return 0;
}
static int pp_hw_fini(void *handle)
{
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)
{
return 0;
}
static int pp_resume(void *handle)
{
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)
{
return 0;
}
static enum amd_dpm_forced_level pp_dpm_get_performance_level(
void *handle)
{
return 0;
}
static int pp_dpm_get_sclk(void *handle, bool low)
{
return 0;
}
static int pp_dpm_get_mclk(void *handle, bool low)
{
return 0;
}
static int pp_dpm_powergate_vce(void *handle, bool gate)
{
return 0;
}
static int pp_dpm_powergate_uvd(void *handle, bool gate)
{
return 0;
}
int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, void *output)
{
return 0;
}
enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle)
{
return 0;
}
static void
pp_debugfs_print_current_performance_level(void *handle,
struct seq_file *m)
{
return;
}
const struct amd_powerplay_funcs pp_dpm_funcs = {
.get_temperature = NULL,
.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,
};
int amd_powerplay_init(struct amd_pp_init *pp_init,
struct amd_powerplay *amd_pp)
{
if (pp_init == NULL || amd_pp == NULL)
return -EINVAL;
amd_pp->ip_funcs = &pp_ip_funcs;
amd_pp->pp_funcs = &pp_dpm_funcs;
return 0;
}
int amd_powerplay_fini(void *handle)
{
return 0;
}
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