146 	struct bcm_dma_ch	sc_dma_ch[BCM_DMA_CH_MAX];  member
211 	cb = sc->sc_dma_ch[ch].cb;  in bcm_dma_reset()
268 		ch = &sc->sc_dma_ch[i];  in bcm_dma_init()
339 			if (sc->sc_dma_ch[i].flags & BCM_DMA_CH_FREE) {  in bcm_dma_allocate()
341 				sc->sc_dma_ch[ch].flags &= ~BCM_DMA_CH_FREE;  in bcm_dma_allocate()
342 				sc->sc_dma_ch[ch].flags |= BCM_DMA_CH_USED;  in bcm_dma_allocate()
346 	} else if (sc->sc_dma_ch[req_ch].flags & BCM_DMA_CH_FREE) {  in bcm_dma_allocate()
348 		sc->sc_dma_ch[ch].flags &= ~BCM_DMA_CH_FREE;  in bcm_dma_allocate()
349 		sc->sc_dma_ch[ch].flags |= BCM_DMA_CH_USED;  in bcm_dma_allocate()
371 	if (sc->sc_dma_ch[ch].flags & BCM_DMA_CH_USED) {  in bcm_dma_free()
372 		sc->sc_dma_ch[ch].flags |= BCM_DMA_CH_FREE;  in bcm_dma_free()
373 		sc->sc_dma_ch[ch].flags &= ~BCM_DMA_CH_USED;  in bcm_dma_free()
374 		sc->sc_dma_ch[ch].intr_func = NULL;  in bcm_dma_free()
375 		sc->sc_dma_ch[ch].intr_arg = NULL;  in bcm_dma_free()
401 	if (!(sc->sc_dma_ch[ch].flags & BCM_DMA_CH_USED))  in bcm_dma_setup_intr()
404 	sc->sc_dma_ch[ch].intr_func = func;  in bcm_dma_setup_intr()
405 	sc->sc_dma_ch[ch].intr_arg = arg;  in bcm_dma_setup_intr()
406 	cb = sc->sc_dma_ch[ch].cb;  in bcm_dma_setup_intr()
435 	if (!(sc->sc_dma_ch[ch].flags & BCM_DMA_CH_USED))  in bcm_dma_setup_src()
438 	info = sc->sc_dma_ch[ch].cb->info;  in bcm_dma_setup_src()
457 	sc->sc_dma_ch[ch].cb->info = info;  in bcm_dma_setup_src()
485 	if (!(sc->sc_dma_ch[ch].flags & BCM_DMA_CH_USED))  in bcm_dma_setup_dst()
488 	info = sc->sc_dma_ch[ch].cb->info;  in bcm_dma_setup_dst()
507 	sc->sc_dma_ch[ch].cb->info = info;  in bcm_dma_setup_dst()
573 	if (!(sc->sc_dma_ch[ch].flags & BCM_DMA_CH_USED))  in bcm_dma_start()
576 	cb = sc->sc_dma_ch[ch].cb;  in bcm_dma_start()
583 	    sc->sc_dma_ch[ch].dma_map, BUS_DMASYNC_PREWRITE);  in bcm_dma_start()
586 	    sc->sc_dma_ch[ch].vc_cb);  in bcm_dma_start()
590 	bcm_dma_cb_dump(sc->sc_dma_ch[ch].cb);  in bcm_dma_start()
615 	if (!(sc->sc_dma_ch[ch].flags & BCM_DMA_CH_USED))  in bcm_dma_length()
618 	cb = sc->sc_dma_ch[ch].cb;  in bcm_dma_length()
736 				   NULL, bcm_dma_intr, &sc->sc_dma_ch[rid],  in bcm_dma_attach()