p9100_ctl_read_4
scr = p9100_ctl_read_4(sc, SYS_CONF);
mem = p9100_ctl_read_4(sc, VID_MEM_CONFIG);
sscr = p9100_ctl_read_4(sc, SYS_CONF);
static uint32_t p9100_ctl_read_4(struct p9100_softc *, bus_size_t);
while((p9100_ctl_read_4(sc, ENGINE_STATUS) &
(void)p9100_ctl_read_4(sc, COMMAND_BLIT);
(void)p9100_ctl_read_4(sc, COMMAND_QUAD);
(void)p9100_ctl_read_4(sc, PWRUP_CNFG);
(void)p9100_ctl_read_4(sc, PWRUP_CNFG);
uint32_t v = p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1);
return (p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1) & VIDEO_ENABLED) != 0;