drivers/pcmcia/electra_cf.c

27 static const char driver_name[] = "electra-cf";
55 static int electra_cf_present(struct electra_cf_socket *cf)
59 	gpio = in_le32(cf->gpio_base+0x40);
60 	return !(gpio & (1 << cf->gpio_detect));
71 	struct electra_cf_socket *cf = from_timer(cf, t, timer);
72 	int present = electra_cf_present(cf);
74 	if (present != cf->present) {
75 		cf->present = present;
76 		pcmcia_parse_events(&cf->socket, SS_DETECT);
79 	if (cf->active)
80 		mod_timer(&cf->timer, jiffies + POLL_INTERVAL);
85 	struct electra_cf_socket *cf = _cf;
87 	electra_cf_timer(&cf->timer);
93 	struct electra_cf_socket *cf;
98 	cf = container_of(s, struct electra_cf_socket, socket);
101 	if (electra_cf_present(cf)) {
104 		s->pci_irq = cf->irq;
115 	struct electra_cf_socket *cf;
117 	cf = container_of(sock, struct electra_cf_socket, socket);
127 		gpio = (1 << cf->gpio_3v);
130 		gpio = (1 << cf->gpio_5v);
136 	gpio |= 1 << (cf->gpio_3v + 16); /* enwr */
137 	gpio |= 1 << (cf->gpio_5v + 16); /* enwr */
138 	out_le32(cf->gpio_base+0x90, gpio);
155 	struct electra_cf_socket *cf;
159 	cf = container_of(s, struct electra_cf_socket, socket);
160 	map->static_start = cf->mem_phys;
179 	struct electra_cf_socket   *cf;
193 	cf = kzalloc(sizeof(*cf), GFP_KERNEL);
194 	if (!cf)
197 	timer_setup(&cf->timer, electra_cf_timer, 0);
198 	cf->irq = 0;
200 	cf->ofdev = ofdev;
201 	cf->mem_phys = mem.start;
202 	cf->mem_size = PAGE_ALIGN(resource_size(&mem));
203 	cf->mem_base = ioremap(cf->mem_phys, cf->mem_size);
204 	if (!cf->mem_base)
206 	cf->io_size = PAGE_ALIGN(resource_size(&io));
207 	cf->io_virt = ioremap_phb(io.start, cf->io_size);
208 	if (!cf->io_virt)
211 	cf->gpio_base = ioremap(0xfc103000, 0x1000);
212 	if (!cf->gpio_base)
214 	dev_set_drvdata(device, cf);
216 	cf->io_base = (unsigned long)cf->io_virt - VMALLOC_END;
217 	cf->iomem.start = (unsigned long)cf->mem_base;
218 	cf->iomem.end = (unsigned long)cf->mem_base + (mem.end - mem.start);
219 	cf->iomem.flags = IORESOURCE_MEM;
221 	cf->irq = irq_of_parse_and_map(np, 0);
223 	status = request_irq(cf->irq, electra_cf_irq, IRQF_SHARED,
224 			     driver_name, cf);
230 	cf->socket.pci_irq = cf->irq;
237 	cf->gpio_detect = *prop;
242 	cf->gpio_vsense = *prop;
247 	cf->gpio_3v = *prop;
252 	cf->gpio_5v = *prop;
254 	cf->socket.io_offset = cf->io_base;
257 	if (!request_mem_region(cf->mem_phys, cf->mem_size, driver_name)) {
263 	if (!request_region(cf->io_base, cf->io_size, driver_name)) {
269 	cf->socket.owner = THIS_MODULE;
270 	cf->socket.dev.parent = &ofdev->dev;
271 	cf->socket.ops = &electra_cf_ops;
272 	cf->socket.resource_ops = &pccard_static_ops;
273 	cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP |
275 	cf->socket.map_size = 0x800;
277 	status = pcmcia_register_socket(&cf->socket);
284 		 cf->mem_phys, io.start, cf->irq);
286 	cf->active = 1;
287 	electra_cf_timer(&cf->timer);
291 	release_region(cf->io_base, cf->io_size);
293 	release_mem_region(cf->mem_phys, cf->mem_size);
295 	if (cf->irq)
296 		free_irq(cf->irq, cf);
298 	iounmap(cf->gpio_base);
301 	iounmap(cf->io_virt);
303 	iounmap(cf->mem_base);
305 	kfree(cf);
313 	struct electra_cf_socket *cf;
315 	cf = dev_get_drvdata(device);
317 	cf->active = 0;
318 	pcmcia_unregister_socket(&cf->socket);
319 	free_irq(cf->irq, cf);
320 	timer_shutdown_sync(&cf->timer);
322 	iounmap(cf->io_virt);
323 	iounmap(cf->mem_base);
324 	iounmap(cf->gpio_base);
325 	release_mem_region(cf->mem_phys, cf->mem_size);
326 	release_region(cf->io_base, cf->io_size);
328 	kfree(cf);
333 		.compatible   = "electra-cf",