46 static int arcrimi_probe(struct net_device *dev);
47 static int arcrimi_found(struct net_device *dev);
48 static void arcrimi_command(struct net_device *dev, int command);
49 static int arcrimi_status(struct net_device *dev);
50 static void arcrimi_setmask(struct net_device *dev, int mask);
51 static int arcrimi_reset(struct net_device *dev, int really_reset);
52 static void arcrimi_copy_to_card(struct net_device *dev, int bufnum, int offset,
54 static void arcrimi_copy_from_card(struct net_device *dev, int bufnum,
67 static int __init arcrimi_probe(struct net_device *dev)  in arcrimi_probe()  argument
73 			dev->dev_addr[0], dev->mem_start, dev->irq);  in arcrimi_probe()
76 	if (dev->mem_start <= 0 || dev->irq <= 0) {  in arcrimi_probe()
81 	if (dev->dev_addr[0] == 0) {  in arcrimi_probe()
91 	if (!request_mem_region(dev->mem_start, MIRROR_SIZE, "arcnet (90xx)")) {  in arcrimi_probe()
96 	return arcrimi_found(dev);  in arcrimi_probe()
123 static int __init arcrimi_found(struct net_device *dev)  in arcrimi_found()  argument
131 	p = ioremap(dev->mem_start, MIRROR_SIZE);  in arcrimi_found()
133 		release_mem_region(dev->mem_start, MIRROR_SIZE);  in arcrimi_found()
134 		arc_printk(D_NORMAL, dev, "Can't ioremap\n");  in arcrimi_found()
139 	if (request_irq(dev->irq, arcnet_interrupt, 0, "arcnet (RIM I)", dev)) {  in arcrimi_found()
141 		release_mem_region(dev->mem_start, MIRROR_SIZE);  in arcrimi_found()
142 		arc_printk(D_NORMAL, dev, "Can't get IRQ %d!\n", dev->irq);  in arcrimi_found()
146 	shmem = dev->mem_start;  in arcrimi_found()
173 	dev->mem_start = first_mirror;  in arcrimi_found()
174 	dev->mem_end = last_mirror + MIRROR_SIZE - 1;  in arcrimi_found()
178 	lp = netdev_priv(dev);  in arcrimi_found()
195 	if (!request_mem_region(dev->mem_start,  in arcrimi_found()
196 				dev->mem_end - dev->mem_start + 1,  in arcrimi_found()
198 		arc_printk(D_NORMAL, dev, "Card memory already allocated\n");  in arcrimi_found()
202 	lp->mem_start = ioremap(dev->mem_start,  in arcrimi_found()
203 				dev->mem_end - dev->mem_start + 1);  in arcrimi_found()
205 		arc_printk(D_NORMAL, dev, "Can't remap device memory!\n");  in arcrimi_found()
210 	dev->dev_addr[0] = arcnet_readb(lp->mem_start, COM9026_REG_R_STATION);  in arcrimi_found()
212 …arc_printk(D_NORMAL, dev, "ARCnet RIM I: station %02Xh found at IRQ %d, ShMem %lXh (%ld*%d bytes)\…  in arcrimi_found()
213 		   dev->dev_addr[0],  in arcrimi_found()
214 		   dev->irq, dev->mem_start,  in arcrimi_found()
215 		   (dev->mem_end - dev->mem_start + 1) / mirror_size,  in arcrimi_found()
218 	err = register_netdev(dev);  in arcrimi_found()
227 	release_mem_region(dev->mem_start, dev->mem_end - dev->mem_start + 1);  in arcrimi_found()
229 	free_irq(dev->irq, dev);  in arcrimi_found()
240 static int arcrimi_reset(struct net_device *dev, int really_reset)  in arcrimi_reset()  argument
242 	struct arcnet_local *lp = netdev_priv(dev);  in arcrimi_reset()
245 	arc_printk(D_INIT, dev, "Resetting %s (status=%02Xh)\n",  in arcrimi_reset()
246 		   dev->name, arcnet_readb(ioaddr, COM9026_REG_R_STATUS));  in arcrimi_reset()
263 static void arcrimi_setmask(struct net_device *dev, int mask)  in arcrimi_setmask()  argument
265 	struct arcnet_local *lp = netdev_priv(dev);  in arcrimi_setmask()
271 static int arcrimi_status(struct net_device *dev)  in arcrimi_status()  argument
273 	struct arcnet_local *lp = netdev_priv(dev);  in arcrimi_status()
279 static void arcrimi_command(struct net_device *dev, int cmd)  in arcrimi_command()  argument
281 	struct arcnet_local *lp = netdev_priv(dev);  in arcrimi_command()
287 static void arcrimi_copy_to_card(struct net_device *dev, int bufnum, int offset,  in arcrimi_copy_to_card()  argument
290 	struct arcnet_local *lp = netdev_priv(dev);  in arcrimi_copy_to_card()
293 	TIME(dev, "memcpy_toio", count, memcpy_toio(memaddr, buf, count));  in arcrimi_copy_to_card()
296 static void arcrimi_copy_from_card(struct net_device *dev, int bufnum,  in arcrimi_copy_from_card()  argument
299 	struct arcnet_local *lp = netdev_priv(dev);  in arcrimi_copy_from_card()
302 	TIME(dev, "memcpy_fromio", count, memcpy_fromio(buf, memaddr, count));  in arcrimi_copy_from_card()
320 	struct net_device *dev;  in arc_rimi_init()  local
322 	dev = alloc_arcdev(device);  in arc_rimi_init()
323 	if (!dev)  in arc_rimi_init()
327 		dev->dev_addr[0] = node;  in arc_rimi_init()
329 	dev->mem_start = io;  in arc_rimi_init()
330 	dev->irq = irq;  in arc_rimi_init()
331 	if (dev->irq == 2)  in arc_rimi_init()
332 		dev->irq = 9;  in arc_rimi_init()
334 	if (arcrimi_probe(dev)) {  in arc_rimi_init()
335 		free_netdev(dev);  in arc_rimi_init()
339 	my_dev = dev;  in arc_rimi_init()
345 	struct net_device *dev = my_dev;  in arc_rimi_exit()  local
346 	struct arcnet_local *lp = netdev_priv(dev);  in arc_rimi_exit()
348 	unregister_netdev(dev);  in arc_rimi_exit()
350 	release_mem_region(dev->mem_start, dev->mem_end - dev->mem_start + 1);  in arc_rimi_exit()
351 	free_irq(dev->irq, dev);  in arc_rimi_exit()
352 	free_netdev(dev);  in arc_rimi_exit()