_mali_osk_errcode_t mali_platform_power_mode_change(struct device *dev, mali_power_mode power_mode)
{
switch (power_mode)
{
case MALI_POWER_MODE_ON:
MALI_DEBUG_PRINT(3, ("Mali platform: Got MALI_POWER_MODE_ON event, %s\n",
nPowermode ? "powering on" : "already on"));
if (nPowermode == MALI_POWER_MODE_LIGHT_SLEEP || nPowermode == MALI_POWER_MODE_DEEP_SLEEP) {
#if !defined(CONFIG_PM_RUNTIME)
g3d_power_domain_control(1);
#endif
MALI_DEBUG_PRINT(4, ("enable clock\n"));
enable_mali_clocks(dev);
if (nPowermode == MALI_POWER_MODE_DEEP_SLEEP) {
#ifdef CONFIG_MALI_DVFS
mali_devfreq = NULL;
if (!mali_devfreq_add(dev))
MALI_PRINTF(("failed to mali_devfreq_add()\n"));
#endif
}
#if defined(CONFIG_MALI400_PROFILING)
_mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SINGLE |
MALI_PROFILING_EVENT_CHANNEL_GPU |
MALI_PROFILING_EVENT_REASON_SINGLE_GPU_FREQ_VOLT_CHANGE,
mali_gpu_clk, mali_gpu_vol/1000, 0, 0, 0);
#endif
nPowermode = power_mode;
}
break;
case MALI_POWER_MODE_DEEP_SLEEP:
#ifdef CONFIG_MALI_DVFS
mali_devfreq_remove();
#endif
case MALI_POWER_MODE_LIGHT_SLEEP:
MALI_DEBUG_PRINT(3, ("Mali platform: Got %s event, %s\n", power_mode == MALI_POWER_MODE_LIGHT_SLEEP ?
"MALI_POWER_MODE_LIGHT_SLEEP" : "MALI_POWER_MODE_DEEP_SLEEP",
nPowermode ? "already off" : "powering off"));
if (nPowermode == MALI_POWER_MODE_ON) {
disable_mali_clocks();
#if defined(CONFIG_MALI400_PROFILING)
_mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SINGLE |
MALI_PROFILING_EVENT_CHANNEL_GPU |
MALI_PROFILING_EVENT_REASON_SINGLE_GPU_FREQ_VOLT_CHANGE,
0, 0, 0, 0, 0);
#endif
#if !defined(CONFIG_PM_RUNTIME)
g3d_power_domain_control(0);
#endif
nPowermode = power_mode;
}
break;
}
MALI_SUCCESS;
}
_mali_osk_errcode_t mali_platform_power_mode_change(mali_power_mode power_mode)
{
switch (power_mode)
{
case MALI_POWER_MODE_ON:
MALI_DEBUG_PRINT(1, ("Mali platform: Got MALI_POWER_MODE_ON event, %s\n", bPoweroff ? "powering on" : "already on"));
if (bPoweroff == 1)
{
/** If run time power management is used, donot call this function */
#ifndef CONFIG_PM_RUNTIME
g3d_power_domain_control(1);
#endif
MALI_DEBUG_PRINT(4,("enable clock \n"));
enable_mali_clocks();
#if MALI_INTERNAL_TIMELINE_PROFILING_ENABLED
_mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SINGLE| MALI_PROFILING_EVENT_CHANNEL_GPU|MALI_PROFILING_EVENT_REASON_SINGLE_GPU_FREQ_VOLT_CHANGE, mali_gpu_clk, mali_gpu_vol/1000, 0, 0, 0);
#endif
//MALI_PRINTF(("Mali Platform powered up"));
gpu_power_state=1;
bPoweroff=0;
}
break;
case MALI_POWER_MODE_LIGHT_SLEEP:
case MALI_POWER_MODE_DEEP_SLEEP:
MALI_DEBUG_PRINT(1, ("Mali platform: Got %s event, %s\n",
power_mode == MALI_POWER_MODE_LIGHT_SLEEP ? "MALI_POWER_MODE_LIGHT_SLEEP" : "MALI_POWER_MODE_DEEP_SLEEP",
bPoweroff ? "already off" : "powering off"));
if (bPoweroff == 0)
{
disable_mali_clocks();
#if MALI_INTERNAL_TIMELINE_PROFILING_ENABLED
_mali_osk_profiling_add_event(MALI_PROFILING_EVENT_TYPE_SINGLE| MALI_PROFILING_EVENT_CHANNEL_GPU|MALI_PROFILING_EVENT_REASON_SINGLE_GPU_FREQ_VOLT_CHANGE, 0, 0, 0, 0, 0);
#endif
#ifndef CONFIG_PM_RUNTIME
g3d_power_domain_control(0);
#endif
//MALI_PRINTF(("Mali Platform powered down"));
gpu_power_state=0;
bPoweroff=1;
}
break;
}
MALI_SUCCESS;
}
_mali_osk_errcode_t mali_platform_powerup(u32 cores)
{
MALI_DEBUG_PRINT(3,("power up is called in mali_platform_powerup state %x core %x \n", gpu_power_state, cores));
if (gpu_power_state == 0) // power up only before state is 0
{
gpu_power_state = gpu_power_state | cores;
if (gpu_power_state != 0)
{
g3d_power_domain_control(1);
MALI_DEBUG_PRINT(4,("enable clock \n"));
enable_mali_clocks();
}
}
else
{
gpu_power_state = gpu_power_state | cores;
}
bPoweroff=0;
MALI_SUCCESS;
}
_mali_osk_errcode_t mali_platform_powerdown(u32 cores)
{
MALI_DEBUG_PRINT(3,("power down is called in mali_platform_powerdown state %x core %x \n", gpu_power_state, cores));
if (gpu_power_state != 0) // power down after state is 0
{
gpu_power_state = gpu_power_state & (~cores);
if (gpu_power_state == 0)
{
MALI_DEBUG_PRINT( 3,("disable clock\n"));
disable_mali_clocks();
g3d_power_domain_control(0);
}
}
else
{
MALI_PRINT(("mali_platform_powerdown gpu_power_state == 0 and cores %x \n", cores));
}
bPoweroff=1;
MALI_SUCCESS;
}
static int mali_os_resume(struct device *device)
{
int ret = 0;
MALI_DEBUG_PRINT(4, ("mali_os_resume() called\n"));
#ifdef CONFIG_REGULATOR
mali_regulator_enable();
g3d_power_domain_control(1);
#endif
mali_platform_power_mode_change(device, MALI_POWER_MODE_ON);
if (NULL != device &&
NULL != device->driver &&
NULL != device->driver->pm &&
NULL != device->driver->pm->resume)
{
/* Need to notify Mali driver about this event */
ret = device->driver->pm->resume(device);
}
return ret;
}
