PSB_APM_CMD
pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);