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()
107 		pnp_dbg(&dev->dev, "  mem %d disabled\n", idx);  in pnp_assign_mem()
114 	while (!pnp_check_mem(dev, res)) {  in pnp_assign_mem()
118 			pnp_dbg(&dev->dev, "  couldn't assign mem %d "  in pnp_assign_mem()
127 	pnp_add_mem_resource(dev, res->start, res->end, res->flags);  in pnp_assign_mem()
131 static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)  in pnp_assign_irq()  argument
141 	res = pnp_find_resource(dev, rule->flags, IORESOURCE_IRQ, idx);  in pnp_assign_irq()
143 		pnp_dbg(&dev->dev, "  irq %d already set to %d flags %#lx\n",  in pnp_assign_irq()
155 		pnp_dbg(&dev->dev, "  irq %d disabled\n", idx);  in pnp_assign_irq()
168 			if (pnp_check_irq(dev, res))  in pnp_assign_irq()
177 		pnp_dbg(&dev->dev, "  irq %d disabled (optional)\n", idx);  in pnp_assign_irq()
181 	pnp_dbg(&dev->dev, "  couldn't assign irq %d\n", idx);  in pnp_assign_irq()
185 	pnp_add_irq_resource(dev, res->start, res->flags);  in pnp_assign_irq()
190 static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)  in pnp_assign_dma()  argument
200 	res = pnp_find_resource(dev, rule->flags, IORESOURCE_DMA, idx);  in pnp_assign_dma()
202 		pnp_dbg(&dev->dev, "  dma %d already set to %d flags %#lx\n",  in pnp_assign_dma()
214 		pnp_dbg(&dev->dev, "  dma %d disabled\n", idx);  in pnp_assign_dma()
221 			if (pnp_check_dma(dev, res))  in pnp_assign_dma()
226 	pnp_dbg(&dev->dev, "  couldn't assign dma %d\n", idx);  in pnp_assign_dma()
230 	pnp_add_dma_resource(dev, res->start, res->flags);  in pnp_assign_dma()
235 void pnp_init_resources(struct pnp_dev *dev)  in pnp_init_resources()  argument
237 	pnp_free_resources(dev);  in pnp_init_resources()
240 static void pnp_clean_resource_table(struct pnp_dev *dev)  in pnp_clean_resource_table()  argument
244 	list_for_each_entry_safe(pnp_res, tmp, &dev->resources, list) {  in pnp_clean_resource_table()
255 static int pnp_assign_resources(struct pnp_dev *dev, int set)  in pnp_assign_resources()  argument
262 	pnp_dbg(&dev->dev, "pnp_assign_resources, try dependent set %d\n", set);  in pnp_assign_resources()
264 	pnp_clean_resource_table(dev);  in pnp_assign_resources()
266 	list_for_each_entry(option, &dev->options, list) {  in pnp_assign_resources()
273 			ret = pnp_assign_port(dev, &option->u.port, nport++);  in pnp_assign_resources()
276 			ret = pnp_assign_mem(dev, &option->u.mem, nmem++);  in pnp_assign_resources()
279 			ret = pnp_assign_irq(dev, &option->u.irq, nirq++);  in pnp_assign_resources()
283 			ret = pnp_assign_dma(dev, &option->u.dma, ndma++);  in pnp_assign_resources()
296 		pnp_dbg(&dev->dev, "pnp_assign_resources failed (%d)\n", ret);  in pnp_assign_resources()
297 		pnp_clean_resource_table(dev);  in pnp_assign_resources()
299 		dbg_pnp_show_resources(dev, "pnp_assign_resources succeeded");  in pnp_assign_resources()
307 int pnp_auto_config_dev(struct pnp_dev *dev)  in pnp_auto_config_dev()  argument
311 	if (!pnp_can_configure(dev)) {  in pnp_auto_config_dev()
312 		pnp_dbg(&dev->dev, "configuration not supported\n");  in pnp_auto_config_dev()
316 	ret = pnp_assign_resources(dev, 0);  in pnp_auto_config_dev()
320 	for (i = 1; i < dev->num_dependent_sets; i++) {  in pnp_auto_config_dev()
321 		ret = pnp_assign_resources(dev, i);  in pnp_auto_config_dev()
326 	dev_err(&dev->dev, "unable to assign resources\n");  in pnp_auto_config_dev()
336 int pnp_start_dev(struct pnp_dev *dev)  in pnp_start_dev()  argument
338 	if (!pnp_can_write(dev)) {  in pnp_start_dev()
339 		pnp_dbg(&dev->dev, "activation not supported\n");  in pnp_start_dev()
343 	dbg_pnp_show_resources(dev, "pnp_start_dev");  in pnp_start_dev()
344 	if (dev->protocol->set(dev) < 0) {  in pnp_start_dev()
345 		dev_err(&dev->dev, "activation failed\n");  in pnp_start_dev()
349 	dev_info(&dev->dev, "activated\n");  in pnp_start_dev()
359 int pnp_stop_dev(struct pnp_dev *dev)  in pnp_stop_dev()  argument
361 	if (!pnp_can_disable(dev)) {  in pnp_stop_dev()
362 		pnp_dbg(&dev->dev, "disabling not supported\n");  in pnp_stop_dev()
365 	if (dev->protocol->disable(dev) < 0) {  in pnp_stop_dev()
366 		dev_err(&dev->dev, "disable failed\n");  in pnp_stop_dev()
370 	dev_info(&dev->dev, "disabled\n");  in pnp_stop_dev()
380 int pnp_activate_dev(struct pnp_dev *dev)  in pnp_activate_dev()  argument
384 	if (dev->active)  in pnp_activate_dev()
388 	if (pnp_auto_config_dev(dev))  in pnp_activate_dev()
391 	error = pnp_start_dev(dev);  in pnp_activate_dev()
395 	dev->active = 1;  in pnp_activate_dev()
405 int pnp_disable_dev(struct pnp_dev *dev)  in pnp_disable_dev()  argument
409 	if (!dev->active)  in pnp_disable_dev()
412 	error = pnp_stop_dev(dev);  in pnp_disable_dev()
416 	dev->active = 0;  in pnp_disable_dev()
420 	pnp_clean_resource_table(dev);  in pnp_disable_dev()