/* * Copyright (C) 2008 Hewlett-Packard Development Company, L.P. * Bjorn Helgaas <bjorn.helgaas@hp.com> */ extern spinlock_t pnp_lock; extern const struct attribute_group *pnp_dev_groups[]; void *pnp_alloc(long size); int pnp_register_protocol(struct pnp_protocol *protocol); void pnp_unregister_protocol(struct pnp_protocol *protocol); #define PNP_EISA_ID_MASK 0x7fffffff void 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); void pnp_remove_card(struct pnp_card *card); int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev); void pnp_remove_card_device(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 256 typedef 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); void __pnp_remove_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_API int 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