95 ppc_isa_dmadone(struct ppc_data *ppc)  in ppc_isa_dmadone()  argument
97 	isa_dmadone(ppc->ppc_dmaflags, ppc->ppc_dmaddr, ppc->ppc_dmacnt,  in ppc_isa_dmadone()
98 	    ppc->ppc_dmachan);  in ppc_isa_dmadone()
104 	struct ppc_data *ppc = device_get_softc(dev);  in ppc_isa_attach()  local
106 	if ((ppc->ppc_avm & PPB_ECP) && (ppc->ppc_dmachan > 0)) {  in ppc_isa_attach()
108 		isa_dma_acquire(ppc->ppc_dmachan);  in ppc_isa_attach()
109 		isa_dmainit(ppc->ppc_dmachan, 1024); /* nlpt.BUFSIZE */  in ppc_isa_attach()
110 		ppc->ppc_dmadone = ppc_isa_dmadone;  in ppc_isa_attach()
143 	struct ppc_data *ppc = device_get_softc(dev);  in ppc_isa_write()  local
148 	PPC_ASSERT_LOCKED(ppc);  in ppc_isa_write()
149 	if (!(ppc->ppc_avm & PPB_ECP))  in ppc_isa_write()
151 	if (ppc->ppc_dmachan == 0)  in ppc_isa_write()
158 	ecr_sav = r_ecr(ppc);  in ppc_isa_write()
159 	ctr_sav = r_ctr(ppc);  in ppc_isa_write()
167 	w_ecr(ppc, ecr);  in ppc_isa_write()
170 	ctr = r_ctr(ppc);  in ppc_isa_write()
172 	w_ctr(ppc, ctr);  in ppc_isa_write()
174 	ppc->ppc_dmaflags = 0;  in ppc_isa_write()
175 	ppc->ppc_dmaddr = (caddr_t)buf;  in ppc_isa_write()
176 	ppc->ppc_dmacnt = (u_int)len;  in ppc_isa_write()
178 	switch (ppc->ppc_mode) {  in ppc_isa_write()
191 	w_ecr(ppc, ecr);  in ppc_isa_write()
192 	ecr = r_ecr(ppc);  in ppc_isa_write()
194 	ppc->ppc_dmastat = PPC_DMA_INIT;  in ppc_isa_write()
198 	ppc->ppc_irqstat = PPC_IRQ_DMA;  in ppc_isa_write()
199 	w_ecr(ppc, ecr);  in ppc_isa_write()
201 	isa_dmastart(ppc->ppc_dmaflags, ppc->ppc_dmaddr, ppc->ppc_dmacnt,  in ppc_isa_write()
202 		     ppc->ppc_dmachan);  in ppc_isa_write()
203 	ppc->ppc_dmastat = PPC_DMA_STARTED;  in ppc_isa_write()
206 	printf("s%d", ppc->ppc_dmacnt);  in ppc_isa_write()
215 		error = mtx_sleep(ppc, &ppc->ppc_lock, PPBPRI | PCATCH,  in ppc_isa_write()
224 		isa_dmadone(ppc->ppc_dmaflags, ppc->ppc_dmaddr,  in ppc_isa_write()
225 			    ppc->ppc_dmacnt, ppc->ppc_dmachan);  in ppc_isa_write()
228 		w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
230 		ppc->ppc_dmastat = PPC_DMA_INTERRUPTED;  in ppc_isa_write()
235 	while (!(r_ecr(ppc) & PPC_FIFO_EMPTY)) {  in ppc_isa_write()
237 			if (r_ecr(ppc) & PPC_FIFO_EMPTY)  in ppc_isa_write()
242 		error = mtx_sleep(ppc, &ppc->ppc_lock, PPBPRI | PCATCH,  in ppc_isa_write()
249 			w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
251 			ppc->ppc_dmastat = PPC_DMA_INTERRUPTED;  in ppc_isa_write()
259 	w_ecr(ppc, PPC_ECR_RESET);  in ppc_isa_write()
269 	w_ecr(ppc, ecr_sav);  in ppc_isa_write()
270 	w_ctr(ppc, ctr_sav);  in ppc_isa_write()
274 DRIVER_MODULE(ppc, isa, ppc_isa_driver, ppc_devclass, 0, 0);