21 static struct resource *pnp_find_resource(struct pnp_dev *dev,  in pnp_find_resource()  argument
26 	struct resource *res = pnp_get_resource(dev, type, bar);  in pnp_find_resource()
37 static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)  in pnp_assign_port()  argument
41 	res = pnp_find_resource(dev, rule->flags, IORESOURCE_IO, idx);  in pnp_assign_port()
43 		pnp_dbg(&dev->dev, "  io %d already set to %#llx-%#llx "  in pnp_assign_port()
56 		pnp_dbg(&dev->dev, "  io %d disabled\n", idx);  in pnp_assign_port()
63 	while (!pnp_check_port(dev, res)) {  in pnp_assign_port()
67 			pnp_dbg(&dev->dev, "  couldn't assign io %d "  in pnp_assign_port()
76 	pnp_add_io_resource(dev, res->start, res->end, res->flags);  in pnp_assign_port()
80 static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)  in pnp_assign_mem()  argument
84 	res = pnp_find_resource(dev, rule->flags, IORESOURCE_MEM, idx);  in pnp_assign_mem()
86 		pnp_dbg(&dev->dev, "  mem %d already set to %#llx-%#llx "  in pnp_assign_mem()
109 		pnp_dbg(&dev->dev, "  mem %d disabled\n", idx);  in pnp_assign_mem()
116 	while (!pnp_check_mem(dev, res)) {  in pnp_assign_mem()
120 			pnp_dbg(&dev->dev, "  couldn't assign mem %d "  in pnp_assign_mem()
129 	pnp_add_mem_resource(dev, res->start, res->end, res->flags);  in pnp_assign_mem()
133 static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)  in pnp_assign_irq()  argument
143 	res = pnp_find_resource(dev, rule->flags, IORESOURCE_IRQ, idx);  in pnp_assign_irq()
145 		pnp_dbg(&dev->dev, "  irq %d already set to %d flags %#lx\n",  in pnp_assign_irq()
157 		pnp_dbg(&dev->dev, "  irq %d disabled\n", idx);  in pnp_assign_irq()
170 			if (pnp_check_irq(dev, res))  in pnp_assign_irq()
179 		pnp_dbg(&dev->dev, "  irq %d disabled (optional)\n", idx);  in pnp_assign_irq()
183 	pnp_dbg(&dev->dev, "  couldn't assign irq %d\n", idx);  in pnp_assign_irq()
187 	pnp_add_irq_resource(dev, res->start, res->flags);  in pnp_assign_irq()
192 static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)  in pnp_assign_dma()  argument
202 	res = pnp_find_resource(dev, rule->flags, IORESOURCE_DMA, idx);  in pnp_assign_dma()
204 		pnp_dbg(&dev->dev, "  dma %d already set to %d flags %#lx\n",  in pnp_assign_dma()
216 		pnp_dbg(&dev->dev, "  dma %d disabled\n", idx);  in pnp_assign_dma()
223 			if (pnp_check_dma(dev, res))  in pnp_assign_dma()
228 	pnp_dbg(&dev->dev, "  couldn't assign dma %d\n", idx);  in pnp_assign_dma()
232 	pnp_add_dma_resource(dev, res->start, res->flags);  in pnp_assign_dma()
237 void pnp_init_resources(struct pnp_dev *dev)  in pnp_init_resources()  argument
239 	pnp_free_resources(dev);  in pnp_init_resources()
242 static void pnp_clean_resource_table(struct pnp_dev *dev)  in pnp_clean_resource_table()  argument
246 	list_for_each_entry_safe(pnp_res, tmp, &dev->resources, list) {  in pnp_clean_resource_table()
257 static int pnp_assign_resources(struct pnp_dev *dev, int set)  in pnp_assign_resources()  argument
264 	pnp_dbg(&dev->dev, "pnp_assign_resources, try dependent set %d\n", set);  in pnp_assign_resources()
266 	pnp_clean_resource_table(dev);  in pnp_assign_resources()
268 	list_for_each_entry(option, &dev->options, list) {  in pnp_assign_resources()
275 			ret = pnp_assign_port(dev, &option->u.port, nport++);  in pnp_assign_resources()
278 			ret = pnp_assign_mem(dev, &option->u.mem, nmem++);  in pnp_assign_resources()
281 			ret = pnp_assign_irq(dev, &option->u.irq, nirq++);  in pnp_assign_resources()
285 			ret = pnp_assign_dma(dev, &option->u.dma, ndma++);  in pnp_assign_resources()
298 		pnp_dbg(&dev->dev, "pnp_assign_resources failed (%d)\n", ret);  in pnp_assign_resources()
299 		pnp_clean_resource_table(dev);  in pnp_assign_resources()
301 		dbg_pnp_show_resources(dev, "pnp_assign_resources succeeded");  in pnp_assign_resources()
309 int pnp_auto_config_dev(struct pnp_dev *dev)  in pnp_auto_config_dev()  argument
313 	if (!pnp_can_configure(dev)) {  in pnp_auto_config_dev()
314 		pnp_dbg(&dev->dev, "configuration not supported\n");  in pnp_auto_config_dev()
318 	ret = pnp_assign_resources(dev, 0);  in pnp_auto_config_dev()
322 	for (i = 1; i < dev->num_dependent_sets; i++) {  in pnp_auto_config_dev()
323 		ret = pnp_assign_resources(dev, i);  in pnp_auto_config_dev()
328 	dev_err(&dev->dev, "unable to assign resources\n");  in pnp_auto_config_dev()
338 int pnp_start_dev(struct pnp_dev *dev)  in pnp_start_dev()  argument
340 	if (!pnp_can_write(dev)) {  in pnp_start_dev()
341 		pnp_dbg(&dev->dev, "activation not supported\n");  in pnp_start_dev()
345 	dbg_pnp_show_resources(dev, "pnp_start_dev");  in pnp_start_dev()
346 	if (dev->protocol->set(dev) < 0) {  in pnp_start_dev()
347 		dev_err(&dev->dev, "activation failed\n");  in pnp_start_dev()
351 	dev_info(&dev->dev, "activated\n");  in pnp_start_dev()
361 int pnp_stop_dev(struct pnp_dev *dev)  in pnp_stop_dev()  argument
363 	if (!pnp_can_disable(dev)) {  in pnp_stop_dev()
364 		pnp_dbg(&dev->dev, "disabling not supported\n");  in pnp_stop_dev()
367 	if (dev->protocol->disable(dev) < 0) {  in pnp_stop_dev()
368 		dev_err(&dev->dev, "disable failed\n");  in pnp_stop_dev()
372 	dev_info(&dev->dev, "disabled\n");  in pnp_stop_dev()
382 int pnp_activate_dev(struct pnp_dev *dev)  in pnp_activate_dev()  argument
386 	if (dev->active)  in pnp_activate_dev()
390 	if (pnp_auto_config_dev(dev))  in pnp_activate_dev()
393 	error = pnp_start_dev(dev);  in pnp_activate_dev()
397 	dev->active = 1;  in pnp_activate_dev()
407 int pnp_disable_dev(struct pnp_dev *dev)  in pnp_disable_dev()  argument
411 	if (!dev->active)  in pnp_disable_dev()
414 	error = pnp_stop_dev(dev);  in pnp_disable_dev()
418 	dev->active = 0;  in pnp_disable_dev()
422 	pnp_clean_resource_table(dev);  in pnp_disable_dev()