PMEVFILT2R
writel(filter2, cspmu->base0 + PMEVFILT2R + offset);
writel(filter, cspmu->base0 + PMEVFILT2R + offset);
writel(0, cspmu->base0 + PMEVFILT2R + offset);
filter2_offset = PMEVFILT2R + (4 * event->hw.idx);