187 lines
5.8 KiB
C
187 lines
5.8 KiB
C
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/*
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* Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
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* Bjorn Helgaas <bjorn.helgaas@hp.com>
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*/
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extern struct mutex pnp_lock;
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extern const struct attribute_group *pnp_dev_groups[];
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void *pnp_alloc(long size);
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int pnp_register_protocol(struct pnp_protocol *protocol);
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void pnp_unregister_protocol(struct pnp_protocol *protocol);
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#define PNP_EISA_ID_MASK 0x7fffffff
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void pnp_eisa_id_to_string(u32 id, char *str);
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struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id,
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const char *pnpid);
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struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid);
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int pnp_add_device(struct pnp_dev *dev);
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struct pnp_id *pnp_add_id(struct pnp_dev *dev, const char *id);
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int pnp_add_card(struct pnp_card *card);
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void pnp_remove_card(struct pnp_card *card);
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int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev);
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void pnp_remove_card_device(struct pnp_dev *dev);
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struct pnp_port {
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resource_size_t min; /* min base number */
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resource_size_t max; /* max base number */
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resource_size_t align; /* align boundary */
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resource_size_t size; /* size of range */
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unsigned char flags; /* port flags */
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};
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#define PNP_IRQ_NR 256
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typedef struct { DECLARE_BITMAP(bits, PNP_IRQ_NR); } pnp_irq_mask_t;
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struct pnp_irq {
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pnp_irq_mask_t map; /* bitmap for IRQ lines */
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unsigned char flags; /* IRQ flags */
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};
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struct pnp_dma {
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unsigned char map; /* bitmask for DMA channels */
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unsigned char flags; /* DMA flags */
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};
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struct pnp_mem {
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resource_size_t min; /* min base number */
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resource_size_t max; /* max base number */
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resource_size_t align; /* align boundary */
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resource_size_t size; /* size of range */
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unsigned char flags; /* memory flags */
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};
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#define PNP_OPTION_DEPENDENT 0x80000000
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#define PNP_OPTION_SET_MASK 0xffff
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#define PNP_OPTION_SET_SHIFT 12
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#define PNP_OPTION_PRIORITY_MASK 0xfff
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#define PNP_OPTION_PRIORITY_SHIFT 0
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#define PNP_RES_PRIORITY_PREFERRED 0
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#define PNP_RES_PRIORITY_ACCEPTABLE 1
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#define PNP_RES_PRIORITY_FUNCTIONAL 2
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#define PNP_RES_PRIORITY_INVALID PNP_OPTION_PRIORITY_MASK
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struct pnp_option {
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struct list_head list;
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unsigned int flags; /* independent/dependent, set, priority */
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unsigned long type; /* IORESOURCE_{IO,MEM,IRQ,DMA} */
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union {
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struct pnp_port port;
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struct pnp_irq irq;
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struct pnp_dma dma;
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struct pnp_mem mem;
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} u;
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};
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int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags,
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pnp_irq_mask_t *map, unsigned char flags);
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int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags,
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unsigned char map, unsigned char flags);
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int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags,
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resource_size_t min, resource_size_t max,
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resource_size_t align, resource_size_t size,
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unsigned char flags);
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int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags,
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resource_size_t min, resource_size_t max,
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resource_size_t align, resource_size_t size,
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unsigned char flags);
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static inline int pnp_option_is_dependent(struct pnp_option *option)
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{
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return option->flags & PNP_OPTION_DEPENDENT ? 1 : 0;
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}
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static inline unsigned int pnp_option_set(struct pnp_option *option)
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{
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return (option->flags >> PNP_OPTION_SET_SHIFT) & PNP_OPTION_SET_MASK;
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}
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static inline unsigned int pnp_option_priority(struct pnp_option *option)
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{
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return (option->flags >> PNP_OPTION_PRIORITY_SHIFT) &
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PNP_OPTION_PRIORITY_MASK;
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}
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static inline unsigned int pnp_new_dependent_set(struct pnp_dev *dev,
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int priority)
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{
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unsigned int flags;
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if (priority > PNP_RES_PRIORITY_FUNCTIONAL) {
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dev_warn(&dev->dev, "invalid dependent option priority %d "
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"clipped to %d", priority,
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PNP_RES_PRIORITY_INVALID);
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priority = PNP_RES_PRIORITY_INVALID;
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}
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flags = PNP_OPTION_DEPENDENT |
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((dev->num_dependent_sets & PNP_OPTION_SET_MASK) <<
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PNP_OPTION_SET_SHIFT) |
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((priority & PNP_OPTION_PRIORITY_MASK) <<
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PNP_OPTION_PRIORITY_SHIFT);
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dev->num_dependent_sets++;
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return flags;
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}
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char *pnp_option_priority_name(struct pnp_option *option);
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void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option);
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void pnp_init_resources(struct pnp_dev *dev);
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void pnp_fixup_device(struct pnp_dev *dev);
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void pnp_free_options(struct pnp_dev *dev);
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int __pnp_add_device(struct pnp_dev *dev);
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void __pnp_remove_device(struct pnp_dev *dev);
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int pnp_check_port(struct pnp_dev *dev, struct resource *res);
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int pnp_check_mem(struct pnp_dev *dev, struct resource *res);
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int pnp_check_irq(struct pnp_dev *dev, struct resource *res);
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#ifdef CONFIG_ISA_DMA_API
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int pnp_check_dma(struct pnp_dev *dev, struct resource *res);
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#endif
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char *pnp_resource_type_name(struct resource *res);
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void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc);
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void pnp_free_resources(struct pnp_dev *dev);
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unsigned long pnp_resource_type(struct resource *res);
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struct pnp_resource {
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struct list_head list;
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struct resource res;
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};
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void pnp_free_resource(struct pnp_resource *pnp_res);
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struct pnp_resource *pnp_add_resource(struct pnp_dev *dev,
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struct resource *res);
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struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
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int flags);
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struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,
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int flags);
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struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
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resource_size_t start,
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resource_size_t end, int flags);
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struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
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resource_size_t start,
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resource_size_t end, int flags);
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struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev,
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resource_size_t start,
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resource_size_t end);
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extern int pnp_debug;
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#if defined(CONFIG_PNP_DEBUG_MESSAGES)
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#define pnp_dbg(dev, format, arg...) \
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({ if (pnp_debug) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; })
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#else
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#define pnp_dbg(dev, format, arg...) \
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({ if (0) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; })
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#endif
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