33 #define NCR5380_read(reg)           in_8(hostdata->io + ((reg) << 4))
34 #define NCR5380_write(reg, value)   out_8(hostdata->io + ((reg) << 4), value)
154 static inline int macscsi_pread(struct NCR5380_hostdata *hostdata,  in macscsi_pread()  argument
157 	u8 __iomem *s = hostdata->pdma_io + (INPUT_DATA_REG << 4);  in macscsi_pread()
162 	while (!NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,  in macscsi_pread()
168 		hostdata->pdma_residual = len - transferred;  in macscsi_pread()
175 		if (NCR5380_poll_politely2(hostdata, STATUS_REG, SR_REQ, SR_REQ,  in macscsi_pread()
177 			scmd_printk(KERN_ERR, hostdata->connected,  in macscsi_pread()
182 		dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host,  in macscsi_pread()
184 		NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host);  in macscsi_pread()
189 	scmd_printk(KERN_ERR, hostdata->connected,  in macscsi_pread()
191 	NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host);  in macscsi_pread()
256 static inline int macscsi_pwrite(struct NCR5380_hostdata *hostdata,  in macscsi_pwrite()  argument
260 	u8 __iomem *d = hostdata->pdma_io + (OUTPUT_DATA_REG << 4);  in macscsi_pwrite()
264 	while (!NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,  in macscsi_pwrite()
270 		hostdata->pdma_residual = len - transferred;  in macscsi_pwrite()
273 		if (NCR5380_poll_politely2(hostdata, STATUS_REG, SR_REQ, SR_REQ,  in macscsi_pwrite()
275 			scmd_printk(KERN_ERR, hostdata->connected,  in macscsi_pwrite()
282 			if (NCR5380_poll_politely(hostdata, TARGET_COMMAND_REG,  in macscsi_pwrite()
285 				scmd_printk(KERN_ERR, hostdata->connected,  in macscsi_pwrite()
290 		dsprintk(NDEBUG_PSEUDO_DMA, hostdata->host,  in macscsi_pwrite()
292 		NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host);  in macscsi_pwrite()
297 	scmd_printk(KERN_ERR, hostdata->connected,  in macscsi_pwrite()
299 	NCR5380_dprint(NDEBUG_PSEUDO_DMA, hostdata->host);  in macscsi_pwrite()
304 static int macscsi_dma_xfer_len(struct NCR5380_hostdata *hostdata,  in macscsi_dma_xfer_len()  argument
307 	if (hostdata->flags & FLAG_NO_PSEUDO_DMA ||  in macscsi_dma_xfer_len()
314 static int macscsi_dma_residual(struct NCR5380_hostdata *hostdata)  in macscsi_dma_residual()  argument
316 	return hostdata->pdma_residual;  in macscsi_dma_residual()
344 	struct NCR5380_hostdata *hostdata;  in mac_scsi_probe()  local
382 	hostdata = shost_priv(instance);  in mac_scsi_probe()
383 	hostdata->base = pio_mem->start;  in mac_scsi_probe()
384 	hostdata->io = (u8 __iomem *)pio_mem->start;  in mac_scsi_probe()
387 		hostdata->pdma_io = (u8 __iomem *)pdma_mem->start;  in mac_scsi_probe()