cregit-Linux how code gets into the kernel

Release 4.7 drivers/pnp/base.h

Directory: drivers/pnp
/*
 * 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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bjorn helgaasbjorn helgaas79786.35%2672.22%
adam belayadam belay919.86%38.33%
rafael j. wysockirafael j. wysocki181.95%25.56%
david rientjesdavid rientjes50.54%12.78%
greg kroah-hartmangreg kroah-hartman40.43%12.78%
drew moseleydrew moseley40.43%12.78%
thomas renningerthomas renninger20.22%12.78%
rene hermanrene herman20.22%12.78%
Total923100.00%36100.00%
Directory: drivers/pnp
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