4  * Copyright 1995-2002, Russell King
16 #define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
30 	unsigned ctrl
38 #define CTRL	0x16fc  macro
44                                     unsigned char *addr, int len)  in cumanascsi_pwrite()  argument
47   u8 __iomem *base = hostdata->io;  in cumanascsi_pwrite()
48   u8 __iomem *dma = hostdata->pdma_io + 0x2000;  in cumanascsi_pwrite()
50   if(!len) return 0;  in cumanascsi_pwrite()
52   writeb(0x02, base + CTRL);  in cumanascsi_pwrite()
54   while(len >= 32)  in cumanascsi_pwrite()
71     len -= 32;  in cumanascsi_pwrite()
72     if(len == 0)  in cumanascsi_pwrite()
77   writeb(0x12, base + CTRL);  in cumanascsi_pwrite()
79   while(len > 0)  in cumanascsi_pwrite()
88       if(--len == 0)  in cumanascsi_pwrite()
98       if(--len == 0)  in cumanascsi_pwrite()
103   writeb(hostdata->ctrl | 0x40, base + CTRL);  in cumanascsi_pwrite()
105 	if (len)  in cumanascsi_pwrite()
106 		return -1;  in cumanascsi_pwrite()
111                                    unsigned char *addr, int len)  in cumanascsi_pread()  argument
114   u8 __iomem *base = hostdata->io;  in cumanascsi_pread()
115   u8 __iomem *dma = hostdata->pdma_io + 0x2000;  in cumanascsi_pread()
117   if(!len) return 0;  in cumanascsi_pread()
119   writeb(0x00, base + CTRL);  in cumanascsi_pread()
121   while(len >= 32)  in cumanascsi_pread()
137     len -= 32;  in cumanascsi_pread()
138     if(len == 0)  in cumanascsi_pread()
143   writeb(0x10, base + CTRL);  in cumanascsi_pread()
145   while(len > 0)  in cumanascsi_pread()
154       if(--len == 0)  in cumanascsi_pread()
164       if(--len == 0)  in cumanascsi_pread()
169   writeb(hostdata->ctrl | 0x40, base + CTRL);  in cumanascsi_pread()
171 	if (len)  in cumanascsi_pread()
172 		return -1;  in cumanascsi_pread()
179 	return cmd->transfersize;  in cumanascsi_dma_xfer_len()
185 	u8 __iomem *base = hostdata->io;  in cumanascsi_read()
188 	writeb(0, base + CTRL);  in cumanascsi_read()
192 	hostdata->ctrl = 0x40;  in cumanascsi_read()
193 	writeb(0x40, base + CTRL);  in cumanascsi_read()
201 	u8 __iomem *base = hostdata->io;  in cumanascsi_write()
203 	writeb(0, base + CTRL);  in cumanascsi_write()
207 	hostdata->ctrl = 0x40;  in cumanascsi_write()
208 	writeb(0x40, base + CTRL);  in cumanascsi_write()
215 	.name			= "Cumana 16-bit SCSI",
225 	.proc_name		= "CumanaSCSI-1",
242 		ret = -ENOMEM;  in cumanascsi1_probe()
246 	priv(host)->io = ioremap(ecard_resource_start(ec, ECARD_RES_IOCSLOW),  in cumanascsi1_probe()
248 	priv(host)->pdma_io = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),  in cumanascsi1_probe()
250 	if (!priv(host)->io || !priv(host)->pdma_io) {  in cumanascsi1_probe()
251 		ret = -ENOMEM;  in cumanascsi1_probe()
255 	host->irq = ec->irq;  in cumanascsi1_probe()
263         priv(host)->ctrl = 0;  in cumanascsi1_probe()
264         writeb(0, priv(host)->io + CTRL);  in cumanascsi1_probe()
266 	ret = request_irq(host->irq, cumanascsi_intr, 0,  in cumanascsi1_probe()
267 			  "CumanaSCSI-1", host);  in cumanascsi1_probe()
270 		    host->host_no, host->irq, ret);  in cumanascsi1_probe()
274 	ret = scsi_add_host(host, &ec->dev);  in cumanascsi1_probe()
282 	free_irq(host->irq, host);  in cumanascsi1_probe()
286 	iounmap(priv(host)->io);  in cumanascsi1_probe()
287 	iounmap(priv(host)->pdma_io);  in cumanascsi1_probe()
298 	void __iomem *base = priv(host)->io;  in cumanascsi1_remove()
299 	void __iomem *dma = priv(host)->pdma_io;  in cumanascsi1_remove()
304 	free_irq(host->irq, host);  in cumanascsi1_remove()
339 MODULE_DESCRIPTION("Cumana SCSI-1 driver for Acorn machines");