HSYNC_A
.hsync = HSYNC_A,
p->hsync = PSB_RVDC32(HSYNC_A);
PSB_WVDC32(p->hsync, HSYNC_A);
.hsync = HSYNC_A,
int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
.hsync = HSYNC_A,