Release 4.12 drivers/pnp/base.h
/*
* 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[];
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;
}
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static inline unsigned int pnp_option_set(struct pnp_option *option)
{
return (option->flags >> PNP_OPTION_SET_SHIFT) & PNP_OPTION_SET_MASK;
}
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static inline unsigned int pnp_option_priority(struct pnp_option *option)
{
return (option->flags >> PNP_OPTION_PRIORITY_SHIFT) &
PNP_OPTION_PRIORITY_MASK;
}
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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;
}
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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
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