void kgsl_g12_updatetimestamp(struct kgsl_device *device)
{
unsigned int count = 0;
KGSL_DRV_DBG("kgsl_g12_updatetimestamp\n");
kgsl_g12_regread(device, ADDR_VGC_IRQ_ACTIVE_CNT >> 2, &count);
count >>= 8;
count &= 255;
device->timestamp += count;
KGSL_DRV_DBG("kgsl_g12_updatetimestamp : %i Current :%i\n",
device->timestamp, device->current_timestamp);
}
/* Caller must hold the device mutex. */
int kgsl_pwrctrl_sleep(struct kgsl_device *device)
{
KGSL_DRV_DBG("kgsl_pwrctrl_sleep device %d!!!\n", device->id);
/* Work through the legal state transitions */
if (device->requested_state == KGSL_STATE_NAP) {
if (device->ftbl.device_isidle(device))
goto nap;
} else if (device->requested_state == KGSL_STATE_SLEEP) {
if (device->state == KGSL_STATE_NAP ||
device->ftbl.device_isidle(device))
goto sleep;
}
device->requested_state = KGSL_STATE_NONE;
return KGSL_FAILURE;
sleep:
kgsl_pwrctrl_irq(device, KGSL_PWRFLAGS_IRQ_OFF);
kgsl_pwrctrl_axi(device, KGSL_PWRFLAGS_AXI_OFF);
goto clk_off;
nap:
kgsl_pwrctrl_irq(device, KGSL_PWRFLAGS_IRQ_OFF);
clk_off:
kgsl_pwrctrl_clk(device, KGSL_PWRFLAGS_CLK_OFF);
device->state = device->requested_state;
device->requested_state = KGSL_STATE_NONE;
wake_unlock(&device->idle_wakelock);
return KGSL_SUCCESS;
}
void kgsl_g12_idle_check(struct work_struct *work)
{
struct kgsl_device *device = &kgsl_driver.g12_device;
KGSL_DRV_DBG("kgsl_g12_idle_check\n");
mutex_lock(&kgsl_driver.mutex);
if (device->flags & KGSL_FLAGS_STARTED) {
if (kgsl_g12_sleep(device, false) == KGSL_FAILURE)
mod_timer(&idle_timer, jiffies + INTERVAL_TIMEOUT);
}
mutex_unlock(&kgsl_driver.mutex);
}
