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#include <linux/module.h>
#include "trustzone/kree/system.h"
#include "trustzone/tz_cross/ta_pm.h"
static KREE_SESSION_HANDLE pm_session;
void kree_pm_init(void)
{
TZ_RESULT ret;
ret = KREE_CreateSession(TZ_TA_PM_UUID, &pm_session);
if (ret != TZ_RESULT_SUCCESS)
{
printk("CreateSession error %d\n", ret);
return;
}
}
void kree_pm_cpu_lowpower(volatile int *ppen_release, int logical_cpuid)
{
MTEEC_PARAM param[4];
TZ_RESULT ret;
param[0].mem.buffer = (void *)ppen_release;
param[0].mem.size = sizeof(int);
param[1].value.a = logical_cpuid;
ret = KREE_TeeServiceCall(pm_session, TZCMD_PM_CPU_LOWPOWER,
TZ_ParamTypes2(TZPT_MEM_INPUT, TZPT_VALUE_INPUT),
param);
if (ret != TZ_RESULT_SUCCESS)
{
printk("%s error: %s\n", __func__, TZ_GetErrorString(ret));
}
}
int kree_pm_cpu_dormant(int mode)
{
MTEEC_PARAM param[4];
TZ_RESULT ret;
param[0].value.a = mode;
ret = KREE_TeeServiceCall(pm_session, TZCMD_PM_CPU_DORMANT,
TZ_ParamTypes1(TZPT_VALUE_INPUT), param);
if (ret != TZ_RESULT_SUCCESS)
{
printk("%s error: %s\n", __func__, TZ_GetErrorString(ret));
}
return 0;
}
int kree_pm_device_ops(int state)
{
MTEEC_PARAM param[4];
TZ_RESULT ret;
param[0].value.a = (uint32_t)state;
ret = KREE_TeeServiceCall(pm_session, TZCMD_PM_DEVICE_OPS,
TZ_ParamTypes1(TZPT_VALUE_INPUT), param);
if (ret != TZ_RESULT_SUCCESS)
{
printk("%s error: %s\n", __func__, TZ_GetErrorString(ret));
}
return ret;
}
int kree_pm_cpu_dormant_workaround_wake(int workaround_wake)
{
MTEEC_PARAM param[4];
TZ_RESULT ret;
param[0].value.a = workaround_wake;
ret = KREE_TeeServiceCall(pm_session, TZCMD_PM_CPU_ERRATA_802022_WA,
TZ_ParamTypes1(TZPT_VALUE_INPUT), param);
if (ret != TZ_RESULT_SUCCESS)
{
printk("%s error: %s\n", __func__, TZ_GetErrorString(ret));
}
return 0;
}
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