/* SPDX-License-Identifier: GPL-2.0 *//* * Copyright (C) 2008 Hewlett-Packard Development Company, L.P. *	Bjorn Helgaas <bjorn.helgaas@hp.com> */ extern struct mutex pnp_lock;extern const struct attribute_group *pnp_dev_groups[];extern const struct bus_type pnp_bus_type; int pnp_register_protocol(struct pnp_protocol *protocol); #define PNP_EISA_ID_MASK 0x7fffffffvoid pnp_eisa_id_to_string(u32 id, char *str);struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id,			      const char *pnpid);struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid); int pnp_add_device(struct pnp_dev *dev);struct pnp_id *pnp_add_id(struct pnp_dev *dev, const char *id); int pnp_add_card(struct pnp_card *card);int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev); struct pnp_port {	resource_size_t min;	/* min base number */	resource_size_t max;	/* max base number */	resource_size_t align;	/* align boundary */	resource_size_t size;	/* size of range */	unsigned char flags;	/* port flags */}; #define PNP_IRQ_NR 256typedef struct { DECLARE_BITMAP(bits, PNP_IRQ_NR); } pnp_irq_mask_t; struct pnp_irq {	pnp_irq_mask_t map;	/* bitmap for IRQ lines */	unsigned char flags;	/* IRQ flags */}; struct pnp_dma {	unsigned char map;	/* bitmask for DMA channels */	unsigned char flags;	/* DMA flags */}; struct pnp_mem {	resource_size_t min;	/* min base number */	resource_size_t max;	/* max base number */	resource_size_t align;	/* align boundary */	resource_size_t size;	/* size of range */	unsigned char flags;	/* memory flags */}; #define PNP_OPTION_DEPENDENT		0x80000000#define PNP_OPTION_SET_MASK		0xffff#define PNP_OPTION_SET_SHIFT		12#define PNP_OPTION_PRIORITY_MASK	0xfff#define PNP_OPTION_PRIORITY_SHIFT	0 #define PNP_RES_PRIORITY_PREFERRED	0#define PNP_RES_PRIORITY_ACCEPTABLE	1#define PNP_RES_PRIORITY_FUNCTIONAL	2#define PNP_RES_PRIORITY_INVALID	PNP_OPTION_PRIORITY_MASK struct pnp_option {	struct list_head list;	unsigned int flags;	/* independent/dependent, set, priority */ 	unsigned long type;	/* IORESOURCE_{IO,MEM,IRQ,DMA} */	union {		struct pnp_port port;		struct pnp_irq irq;		struct pnp_dma dma;		struct pnp_mem mem;	} u;}; int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags,			      pnp_irq_mask_t *map, unsigned char flags);int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags,			      unsigned char map, unsigned char flags);int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags,			       resource_size_t min, resource_size_t max,			       resource_size_t align, resource_size_t size,			       unsigned char flags);int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags,			      resource_size_t min, resource_size_t max,			      resource_size_t align, resource_size_t size,			      unsigned char flags); static inline int pnp_option_is_dependent(struct pnp_option *option){	return option->flags & PNP_OPTION_DEPENDENT ? 1 : 0;} static inline unsigned int pnp_option_set(struct pnp_option *option){	return (option->flags >> PNP_OPTION_SET_SHIFT) & PNP_OPTION_SET_MASK;} static inline unsigned int pnp_option_priority(struct pnp_option *option){	return (option->flags >> PNP_OPTION_PRIORITY_SHIFT) &	    PNP_OPTION_PRIORITY_MASK;} static inline unsigned int pnp_new_dependent_set(struct pnp_dev *dev,						 int priority){	unsigned int flags; 	if (priority > PNP_RES_PRIORITY_FUNCTIONAL) {		dev_warn(&dev->dev, "invalid dependent option priority %d "			 "clipped to %d", priority,			 PNP_RES_PRIORITY_INVALID);		priority = PNP_RES_PRIORITY_INVALID;	} 	flags = PNP_OPTION_DEPENDENT |	    ((dev->num_dependent_sets & PNP_OPTION_SET_MASK) <<		PNP_OPTION_SET_SHIFT) |	    ((priority & PNP_OPTION_PRIORITY_MASK) <<		PNP_OPTION_PRIORITY_SHIFT); 	dev->num_dependent_sets++; 	return flags;} char *pnp_option_priority_name(struct pnp_option *option);void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option); void pnp_init_resources(struct pnp_dev *dev); void pnp_fixup_device(struct pnp_dev *dev);void pnp_free_options(struct pnp_dev *dev);int __pnp_add_device(struct pnp_dev *dev); int pnp_check_port(struct pnp_dev *dev, struct resource *res);int pnp_check_mem(struct pnp_dev *dev, struct resource *res);int pnp_check_irq(struct pnp_dev *dev, struct resource *res);#ifdef CONFIG_ISA_DMA_APIint pnp_check_dma(struct pnp_dev *dev, struct resource *res);#endif char *pnp_resource_type_name(struct resource *res);void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc); void pnp_free_resources(struct pnp_dev *dev);unsigned long pnp_resource_type(struct resource *res); struct pnp_resource {	struct list_head list;	struct resource res;}; void pnp_free_resource(struct pnp_resource *pnp_res); struct pnp_resource *pnp_add_resource(struct pnp_dev *dev,				      struct resource *res);struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,					  int flags);struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,					  int flags);struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,					 resource_size_t start,					 resource_size_t end, int flags);struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,					  resource_size_t start,					  resource_size_t end, int flags);struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev,					  resource_size_t start,					  resource_size_t end); extern int pnp_debug; #if defined(CONFIG_PNP_DEBUG_MESSAGES)#define pnp_dbg(dev, format, arg...)					\	({ if (pnp_debug) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; })#else#define pnp_dbg(dev, format, arg...)					\	({ if (0) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; })#endif