struct mali_pmu_core *mali_pmu_create(_mali_osk_resource_t *resource)
{
struct mali_pmu_core* pmu;
MALI_DEBUG_ASSERT(NULL == mali_global_pmu_core);
MALI_DEBUG_PRINT(2, ("Mali PMU: Creating Mali PMU core\n"));
pmu = (struct mali_pmu_core *)_mali_osk_malloc(sizeof(struct mali_pmu_core));
if (NULL != pmu) {
pmu->lock = _mali_osk_spinlock_init(_MALI_OSK_LOCKFLAG_ORDERED, _MALI_OSK_LOCK_ORDER_PMU);
if (NULL != pmu->lock) {
pmu->registered_cores_mask = mali_pmu_detect_mask();
pmu->active_cores_mask = pmu->registered_cores_mask;
if (_MALI_OSK_ERR_OK == mali_hw_core_create(&pmu->hw_core, resource, PMU_REGISTER_ADDRESS_SPACE_SIZE)) {
_mali_osk_errcode_t err;
struct _mali_osk_device_data data = { 0, };
err = _mali_osk_device_data_get(&data);
if (_MALI_OSK_ERR_OK == err) {
pmu->switch_delay = data.pmu_switch_delay;
mali_global_pmu_core = pmu;
return pmu;
}
mali_hw_core_delete(&pmu->hw_core);
}
_mali_osk_spinlock_term(pmu->lock);
}
_mali_osk_free(pmu);
}
return NULL;
}
_mali_osk_errcode_t mali_dvfs_policy_init(void)
{
_mali_osk_device_data data;
_mali_osk_errcode_t err = _MALI_OSK_ERR_OK;
if (_MALI_OSK_ERR_OK == _mali_osk_device_data_get(&data)) {
if ((NULL != data.get_clock_info) && (NULL != data.set_freq) && (NULL != data.get_freq)) {
MALI_DEBUG_PRINT(2, ("Mali DVFS init: using arm dvfs policy \n"));
mali_fps_step1 = mali_max_system_fps / 3;
mali_fps_step2 = mali_max_system_fps / 5;
data.get_clock_info(&gpu_clk);
if (gpu_clk != NULL) {
#ifdef DEBUG
int i;
for (i = 0; i < gpu_clk->num_of_steps; i++) {
MALI_DEBUG_PRINT(5, ("mali gpu clock info: step%d clock(%d)Hz,vol(%d) \n",
i, gpu_clk->item[i].clock, gpu_clk->item[i].vol));
}
#endif
} else {
MALI_DEBUG_PRINT(2, ("Mali DVFS init: platform didn't define enough info for ddk to do DVFS \n"));
}
mali_gpu_get_freq = data.get_freq;
mali_gpu_set_freq = data.set_freq;
if ((NULL != gpu_clk) && (gpu_clk->num_of_steps > 0)
&& (NULL != mali_gpu_get_freq) && (NULL != mali_gpu_set_freq)) {
mali_dvfs_enabled = MALI_TRUE;
}
} else {
MALI_DEBUG_PRINT(2, ("Mali DVFS init: platform function callback incomplete, need check mali_gpu_device_data in platform .\n"));
}
} else {
err = _MALI_OSK_ERR_FAULT;
MALI_DEBUG_PRINT(2, ("Mali DVFS init: get platform data error .\n"));
}
return err;
}
/* Init a timer (for now it is used for GPU utilization and dvfs) */
_mali_osk_errcode_t mali_control_timer_init(void)
{
_mali_osk_device_data data;
if (_MALI_OSK_ERR_OK == _mali_osk_device_data_get(&data)) {
/* Use device specific settings (if defined) */
if (0 != data.control_interval) {
mali_control_timeout = data.control_interval;
MALI_DEBUG_PRINT(2, ("Mali GPU Timer: %u\n", mali_control_timeout));
}
}
mali_control_timer = _mali_osk_timer_init();
if (NULL == mali_control_timer) {
return _MALI_OSK_ERR_FAULT;
}
_mali_osk_timer_setcallback(mali_control_timer, mali_control_timer_callback, NULL);
return _MALI_OSK_ERR_OK;
}
