linux/drivers/pnp/base.h
Bjorn Helgaas a1802c4295 PNP: make resource option structures private to PNP subsystem
Nothing outside the PNP subsystem should need access to a
device's resource options, so this patch moves the option
structure declarations to a private header file.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2008-07-16 23:27:06 +02:00

117 lines
4.1 KiB
C

extern spinlock_t pnp_lock;
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, 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, char *id);
int pnp_interface_attach_device(struct pnp_dev *dev);
int pnp_add_card(struct pnp_card *card);
struct pnp_id *pnp_add_card_id(struct pnp_card *card, char *id);
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 {
unsigned short min; /* min base number */
unsigned short max; /* max base number */
unsigned char align; /* align boundary */
unsigned char size; /* size of range */
unsigned char flags; /* port flags */
unsigned char pad; /* pad */
struct pnp_port *next; /* next port */
};
#define PNP_IRQ_NR 256
struct pnp_irq {
DECLARE_BITMAP(map, PNP_IRQ_NR); /* bitmask for IRQ lines */
unsigned char flags; /* IRQ flags */
unsigned char pad; /* pad */
struct pnp_irq *next; /* next IRQ */
};
struct pnp_dma {
unsigned char map; /* bitmask for DMA channels */
unsigned char flags; /* DMA flags */
struct pnp_dma *next; /* next port */
};
struct pnp_mem {
unsigned int min; /* min base number */
unsigned int max; /* max base number */
unsigned int align; /* align boundary */
unsigned int size; /* size of range */
unsigned char flags; /* memory flags */
unsigned char pad; /* pad */
struct pnp_mem *next; /* next memory resource */
};
#define PNP_RES_PRIORITY_PREFERRED 0
#define PNP_RES_PRIORITY_ACCEPTABLE 1
#define PNP_RES_PRIORITY_FUNCTIONAL 2
#define PNP_RES_PRIORITY_INVALID 65535
struct pnp_option {
unsigned short priority; /* priority */
struct pnp_port *port; /* first port */
struct pnp_irq *irq; /* first IRQ */
struct pnp_dma *dma; /* first DMA */
struct pnp_mem *mem; /* first memory resource */
struct pnp_option *next; /* used to chain dependent resources */
};
struct pnp_option *pnp_build_option(int priority);
struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev);
struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev,
int priority);
int pnp_register_irq_resource(struct pnp_dev *dev, struct pnp_option *option,
struct pnp_irq *data);
int pnp_register_dma_resource(struct pnp_dev *dev, struct pnp_option *option,
struct pnp_dma *data);
int pnp_register_port_resource(struct pnp_dev *dev, struct pnp_option *option,
struct pnp_port *data);
int pnp_register_mem_resource(struct pnp_dev *dev, struct pnp_option *option,
struct pnp_mem *data);
void pnp_init_resources(struct pnp_dev *dev);
void pnp_fixup_device(struct pnp_dev *dev);
void pnp_free_option(struct pnp_option *option);
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);
int pnp_check_dma(struct pnp_dev *dev, struct resource *res);
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);
int 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_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);