linux/drivers/pnp/base.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
 *	Bjorn Helgaas <[email protected]>
 */

extern struct mutex pnp_lock;
extern const struct attribute_group *pnp_dev_groups[];
extern const struct bus_type pnp_bus_type;

int pnp_register_protocol(struct pnp_protocol *protocol);
void pnp_unregister_protocol(struct pnp_protocol *protocol);

#define PNP_EISA_ID_MASK …
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 { … };

#define PNP_IRQ_NR …
pnp_irq_mask_t;

struct pnp_irq { … };

struct pnp_dma { … };

struct pnp_mem { … };

#define PNP_OPTION_DEPENDENT …
#define PNP_OPTION_SET_MASK …
#define PNP_OPTION_SET_SHIFT …
#define PNP_OPTION_PRIORITY_MASK …
#define PNP_OPTION_PRIORITY_SHIFT …

#define PNP_RES_PRIORITY_PREFERRED …
#define PNP_RES_PRIORITY_ACCEPTABLE …
#define PNP_RES_PRIORITY_FUNCTIONAL …
#define PNP_RES_PRIORITY_INVALID …

struct pnp_option { … };

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)
{ … }

static inline unsigned int pnp_option_set(struct pnp_option *option)
{ … }

static inline unsigned int pnp_option_priority(struct pnp_option *option)
{ … }

static inline unsigned int pnp_new_dependent_set(struct pnp_dev *dev,
						 int priority)
{ … }

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 { … };

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...) …
#else
#define pnp_dbg …
#endif