173 	struct epic_softc *softc;  in epic_getinfo()  local
179 		if ((softc = getsoftc(inst)) == NULL) {  in epic_getinfo()
183 			*result = (void *)softc->dip;  in epic_getinfo()
201 	struct epic_softc *softc = NULL;  in epic_attach()  local
228 		if ((softc = getsoftc(inst)) == NULL) {  in epic_attach()
231 		softc->dip = dip;  in epic_attach()
232 		mutex_init(&softc->mutex, NULL, MUTEX_DRIVER, NULL);  in epic_attach()
239 		res = ddi_regs_map_setup(dip, 0, (caddr_t *)&softc->cmd_reg,  in epic_attach()
241 		    &softc->cmd_handle);  in epic_attach()
262 	if (softc)  in epic_attach()
274 	struct epic_softc *softc;  in epic_detach()  local
279 		if ((softc = getsoftc(inst)) == NULL)  in epic_detach()
282 		(void) ddi_regs_map_free(&softc->cmd_handle);  in epic_detach()
286 		mutex_destroy(&softc->mutex);  in epic_detach()
333 	struct epic_softc *softc;  in epic_ioctl()  local
337 	if ((softc = getsoftc(inst)) == NULL)  in epic_ioctl()
340 	mutex_enter(&softc->mutex);  in epic_ioctl()
344 		EPIC_WRITE(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
349 		EPIC_WRITE(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
354 		EPIC_WRITE(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
359 		EPIC_WRITE(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
364 		EPIC_WRITE(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
369 		EPIC_WRITE(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
374 		EPIC_READ(softc->cmd_handle, softc->cmd_reg,  in epic_ioctl()
378 			mutex_exit(&softc->mutex);  in epic_ioctl()
383 		mutex_exit(&softc->mutex);  in epic_ioctl()
388 	mutex_exit(&softc->mutex);  in epic_ioctl()