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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * cs_internal.h -- definitions internal to the PCMCIA core modules4 *5 * The initial developer of the original code is David A. Hinds6 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds7 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.8 *9 * (C) 1999 David A. Hinds10 * (C) 2003 - 2010 Dominik Brodowski11 *12 * This file contains definitions _only_ needed by the PCMCIA core modules.13 * It must not be included by PCMCIA socket drivers or by PCMCIA device14 * drivers.15 */16 17#ifndef _LINUX_CS_INTERNAL_H18#define _LINUX_CS_INTERNAL_H19 20#include <linux/kref.h>21 22/* Flags in client state */23#define CLIENT_WIN_REQ(i) (0x1<<(i))24 25/* Flag to access all functions */26#define BIND_FN_ALL 0xff27 28/* Each card function gets one of these guys */29typedef struct config_t {30 struct kref ref;31 unsigned int state;32 33 struct resource io[MAX_IO_WIN]; /* io ports */34 struct resource mem[MAX_WIN]; /* mem areas */35} config_t;36 37 38struct cis_cache_entry {39 struct list_head node;40 unsigned int addr;41 unsigned int len;42 unsigned int attr;43 unsigned char cache[];44};45 46struct pccard_resource_ops {47 int (*validate_mem) (struct pcmcia_socket *s);48 int (*find_io) (struct pcmcia_socket *s,49 unsigned int attr,50 unsigned int *base,51 unsigned int num,52 unsigned int align,53 struct resource **parent);54 struct resource* (*find_mem) (unsigned long base, unsigned long num,55 unsigned long align, int low,56 struct pcmcia_socket *s);57 int (*init) (struct pcmcia_socket *s);58 void (*exit) (struct pcmcia_socket *s);59};60 61/* Flags in config state */62#define CONFIG_LOCKED 0x0163#define CONFIG_IRQ_REQ 0x0264#define CONFIG_IO_REQ 0x0465 66/* Flags in socket state */67#define SOCKET_PRESENT 0x000868#define SOCKET_INUSE 0x001069#define SOCKET_IN_RESUME 0x004070#define SOCKET_SUSPEND 0x008071#define SOCKET_WIN_REQ(i) (0x0100<<(i))72#define SOCKET_CARDBUS 0x800073#define SOCKET_CARDBUS_CONFIG 0x1000074 75 76/*77 * Stuff internal to module "pcmcia_rsrc":78 */79extern int static_init(struct pcmcia_socket *s);80extern struct resource *pcmcia_make_resource(resource_size_t start,81 resource_size_t end,82 unsigned long flags, const char *name);83 84/*85 * Stuff internal to module "pcmcia_core":86 */87 88/* socket_sysfs.c */89extern int pccard_sysfs_add_socket(struct device *dev);90extern void pccard_sysfs_remove_socket(struct device *dev);91 92/* cardbus.c */93int cb_alloc(struct pcmcia_socket *s);94void cb_free(struct pcmcia_socket *s);95 96 97 98/*99 * Stuff exported by module "pcmcia_core" to module "pcmcia"100 */101 102struct pcmcia_callback{103 struct module *owner;104 int (*add) (struct pcmcia_socket *s);105 int (*remove) (struct pcmcia_socket *s);106 void (*requery) (struct pcmcia_socket *s);107 int (*validate) (struct pcmcia_socket *s, unsigned int *i);108 int (*suspend) (struct pcmcia_socket *s);109 int (*early_resume) (struct pcmcia_socket *s);110 int (*resume) (struct pcmcia_socket *s);111};112 113/* cs.c */114extern struct rw_semaphore pcmcia_socket_list_rwsem;115extern struct list_head pcmcia_socket_list;116extern const struct class pcmcia_socket_class;117 118int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);119struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);120 121void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);122#define PCMCIA_UEVENT_EJECT 0x0001123#define PCMCIA_UEVENT_INSERT 0x0002124#define PCMCIA_UEVENT_SUSPEND 0x0004125#define PCMCIA_UEVENT_RESUME 0x0008126#define PCMCIA_UEVENT_REQUERY 0x0010127 128struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);129void pcmcia_put_socket(struct pcmcia_socket *skt);130 131/*132 * Stuff internal to module "pcmcia".133 */134/* ds.c */135extern const struct bus_type pcmcia_bus_type;136 137struct pcmcia_device;138 139/* pcmcia_resource.c */140extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);141extern int pcmcia_validate_mem(struct pcmcia_socket *s);142extern struct resource *pcmcia_find_mem_region(u_long base,143 u_long num,144 u_long align,145 int low,146 struct pcmcia_socket *s);147 148void pcmcia_cleanup_irq(struct pcmcia_socket *s);149int pcmcia_setup_irq(struct pcmcia_device *p_dev);150 151/* cistpl.c */152extern const struct bin_attribute pccard_cis_attr;153 154int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,155 u_int addr, u_int len, void *ptr);156int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,157 u_int addr, u_int len, void *ptr);158void release_cis_mem(struct pcmcia_socket *s);159void destroy_cis_cache(struct pcmcia_socket *s);160int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,161 cisdata_t code, void *parse);162int pcmcia_replace_cis(struct pcmcia_socket *s,163 const u8 *data, const size_t len);164int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);165int verify_cis_cache(struct pcmcia_socket *s);166 167int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,168 tuple_t *tuple);169 170int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,171 tuple_t *tuple);172 173int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);174 175#endif /* _LINUX_CS_INTERNAL_H */176