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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* cs_internal.h -- definitions internal to the PCMCIA core modules
*
* The initial developer of the original code is David A. Hinds
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*
* (C) 1999 David A. Hinds
* (C) 2003 - 2010 Dominik Brodowski
*
* This file contains definitions _only_ needed by the PCMCIA core modules.
* It must not be included by PCMCIA socket drivers or by PCMCIA device
* drivers.
*/
#ifndef _LINUX_CS_INTERNAL_H
#define _LINUX_CS_INTERNAL_H
#include <linux/kref.h>
/* Flags in client state */
#define CLIENT_WIN_REQ(i) (0x1<<(i))
/* Flag to access all functions */
#define BIND_FN_ALL 0xff
/* Each card function gets one of these guys */
typedef struct config_t {
struct kref ref;
unsigned int state;
struct resource io[MAX_IO_WIN]; /* io ports */
struct resource mem[MAX_WIN]; /* mem areas */
} config_t;
struct cis_cache_entry {
struct list_head node;
unsigned int addr;
unsigned int len;
unsigned int attr;
unsigned char cache[0];
};
struct pccard_resource_ops {
int (*validate_mem) (struct pcmcia_socket *s);
int (*find_io) (struct pcmcia_socket *s,
unsigned int attr,
unsigned int *base,
unsigned int num,
unsigned int align,
struct resource **parent);
struct resource* (*find_mem) (unsigned long base, unsigned long num,
unsigned long align, int low,
struct pcmcia_socket *s);
int (*init) (struct pcmcia_socket *s);
void (*exit) (struct pcmcia_socket *s);
};
/* Flags in config state */
#define CONFIG_LOCKED 0x01
#define CONFIG_IRQ_REQ 0x02
#define CONFIG_IO_REQ 0x04
/* Flags in socket state */
#define SOCKET_PRESENT 0x0008
#define SOCKET_INUSE 0x0010
#define SOCKET_IN_RESUME 0x0040
#define SOCKET_SUSPEND 0x0080
#define SOCKET_WIN_REQ(i) (0x0100<<(i))
#define SOCKET_CARDBUS 0x8000
#define SOCKET_CARDBUS_CONFIG 0x10000
/*
* Stuff internal to module "pcmcia_rsrc":
*/
extern int static_init(struct pcmcia_socket *s);
extern struct resource *pcmcia_make_resource(resource_size_t start,
resource_size_t end,
unsigned long flags, const char *name);
/*
* Stuff internal to module "pcmcia_core":
*/
/* socket_sysfs.c */
extern int pccard_sysfs_add_socket(struct device *dev);
extern void pccard_sysfs_remove_socket(struct device *dev);
/* cardbus.c */
int cb_alloc(struct pcmcia_socket *s);
void cb_free(struct pcmcia_socket *s);
/*
* Stuff exported by module "pcmcia_core" to module "pcmcia"
*/
struct pcmcia_callback{
struct module *owner;
int (*add) (struct pcmcia_socket *s);
int (*remove) (struct pcmcia_socket *s);
void (*requery) (struct pcmcia_socket *s);
int (*validate) (struct pcmcia_socket *s, unsigned int *i);
int (*suspend) (struct pcmcia_socket *s);
int (*early_resume) (struct pcmcia_socket *s);
int (*resume) (struct pcmcia_socket *s);
};
/* cs.c */
extern struct rw_semaphore pcmcia_socket_list_rwsem;
extern struct list_head pcmcia_socket_list;
extern struct class pcmcia_socket_class;
int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);
void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);
#define PCMCIA_UEVENT_EJECT 0x0001
#define PCMCIA_UEVENT_INSERT 0x0002
#define PCMCIA_UEVENT_SUSPEND 0x0004
#define PCMCIA_UEVENT_RESUME 0x0008
#define PCMCIA_UEVENT_REQUERY 0x0010
struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
void pcmcia_put_socket(struct pcmcia_socket *skt);
/*
* Stuff internal to module "pcmcia".
*/
/* ds.c */
extern struct bus_type pcmcia_bus_type;
struct pcmcia_device;
/* pcmcia_resource.c */
extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
extern int pcmcia_validate_mem(struct pcmcia_socket *s);
extern struct resource *pcmcia_find_mem_region(u_long base,
u_long num,
u_long align,
int low,
struct pcmcia_socket *s);
void pcmcia_cleanup_irq(struct pcmcia_socket *s);
int pcmcia_setup_irq(struct pcmcia_device *p_dev);
/* cistpl.c */
extern const struct bin_attribute pccard_cis_attr;
int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
u_int addr, u_int len, void *ptr);
int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
u_int addr, u_int len, void *ptr);
void release_cis_mem(struct pcmcia_socket *s);
void destroy_cis_cache(struct pcmcia_socket *s);
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
cisdata_t code, void *parse);
int pcmcia_replace_cis(struct pcmcia_socket *s,
const u8 *data, const size_t len);
int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
int verify_cis_cache(struct pcmcia_socket *s);
int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
cisdata_t code, cisparse_t *parse, void *priv_data,
int (*loop_tuple) (tuple_t *tuple,
cisparse_t *parse,
void *priv_data));
int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
tuple_t *tuple);
int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
tuple_t *tuple);
int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
#endif /* _LINUX_CS_INTERNAL_H */
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