linux/drivers/pcmcia/cs_internal.h
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   1/*
   2 * cs_internal.h -- definitions internal to the PCMCIA core modules
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 *
   8 * The initial developer of the original code is David A. Hinds
   9 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  10 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  11 *
  12 * (C) 1999             David A. Hinds
  13 * (C) 2003 - 2010      Dominik Brodowski
  14 *
  15 *
  16 * This file contains definitions _only_ needed by the PCMCIA core modules.
  17 * It must not be included by PCMCIA socket drivers or by PCMCIA device
  18 * drivers.
  19 */
  20
  21#ifndef _LINUX_CS_INTERNAL_H
  22#define _LINUX_CS_INTERNAL_H
  23
  24#include <linux/kref.h>
  25
  26/* Flags in client state */
  27#define CLIENT_WIN_REQ(i)       (0x1<<(i))
  28
  29/* Flag to access all functions */
  30#define BIND_FN_ALL     0xff
  31
  32/* Each card function gets one of these guys */
  33typedef struct config_t {
  34        struct kref     ref;
  35        unsigned int    state;
  36
  37        struct resource io[MAX_IO_WIN]; /* io ports */
  38        struct resource mem[MAX_WIN];   /* mem areas */
  39} config_t;
  40
  41
  42struct cis_cache_entry {
  43        struct list_head        node;
  44        unsigned int            addr;
  45        unsigned int            len;
  46        unsigned int            attr;
  47        unsigned char           cache[0];
  48};
  49
  50struct pccard_resource_ops {
  51        int     (*validate_mem)         (struct pcmcia_socket *s);
  52        int     (*find_io)              (struct pcmcia_socket *s,
  53                                         unsigned int attr,
  54                                         unsigned int *base,
  55                                         unsigned int num,
  56                                         unsigned int align,
  57                                         struct resource **parent);
  58        struct resource* (*find_mem)    (unsigned long base, unsigned long num,
  59                                         unsigned long align, int low,
  60                                         struct pcmcia_socket *s);
  61        int     (*init)                 (struct pcmcia_socket *s);
  62        void    (*exit)                 (struct pcmcia_socket *s);
  63};
  64
  65/* Flags in config state */
  66#define CONFIG_LOCKED           0x01
  67#define CONFIG_IRQ_REQ          0x02
  68#define CONFIG_IO_REQ           0x04
  69
  70/* Flags in socket state */
  71#define SOCKET_PRESENT          0x0008
  72#define SOCKET_INUSE            0x0010
  73#define SOCKET_SUSPEND          0x0080
  74#define SOCKET_WIN_REQ(i)       (0x0100<<(i))
  75#define SOCKET_CARDBUS          0x8000
  76#define SOCKET_CARDBUS_CONFIG   0x10000
  77
  78
  79/*
  80 * Stuff internal to module "pcmcia_rsrc":
  81 */
  82extern int static_init(struct pcmcia_socket *s);
  83extern struct resource *pcmcia_make_resource(unsigned long start,
  84                                        unsigned long end,
  85                                        int flags, const char *name);
  86
  87/*
  88 * Stuff internal to module "pcmcia_core":
  89 */
  90
  91/* socket_sysfs.c */
  92extern int pccard_sysfs_add_socket(struct device *dev);
  93extern void pccard_sysfs_remove_socket(struct device *dev);
  94
  95/* cardbus.c */
  96int cb_alloc(struct pcmcia_socket *s);
  97void cb_free(struct pcmcia_socket *s);
  98
  99
 100
 101/*
 102 * Stuff exported by module "pcmcia_core" to module "pcmcia"
 103 */
 104
 105struct pcmcia_callback{
 106        struct module   *owner;
 107        int             (*add) (struct pcmcia_socket *s);
 108        int             (*remove) (struct pcmcia_socket *s);
 109        void            (*requery) (struct pcmcia_socket *s);
 110        int             (*validate) (struct pcmcia_socket *s, unsigned int *i);
 111        int             (*suspend) (struct pcmcia_socket *s);
 112        int             (*early_resume) (struct pcmcia_socket *s);
 113        int             (*resume) (struct pcmcia_socket *s);
 114};
 115
 116/* cs.c */
 117extern struct rw_semaphore pcmcia_socket_list_rwsem;
 118extern struct list_head pcmcia_socket_list;
 119extern struct class pcmcia_socket_class;
 120
 121int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
 122struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);
 123
 124void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);
 125#define PCMCIA_UEVENT_EJECT     0x0001
 126#define PCMCIA_UEVENT_INSERT    0x0002
 127#define PCMCIA_UEVENT_SUSPEND   0x0004
 128#define PCMCIA_UEVENT_RESUME    0x0008
 129#define PCMCIA_UEVENT_REQUERY   0x0010
 130
 131struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
 132void pcmcia_put_socket(struct pcmcia_socket *skt);
 133
 134/*
 135 * Stuff internal to module "pcmcia".
 136 */
 137/* ds.c */
 138extern struct bus_type pcmcia_bus_type;
 139
 140struct pcmcia_device;
 141
 142/* pcmcia_resource.c */
 143extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
 144extern int pcmcia_validate_mem(struct pcmcia_socket *s);
 145extern struct resource *pcmcia_find_mem_region(u_long base,
 146                                               u_long num,
 147                                               u_long align,
 148                                               int low,
 149                                               struct pcmcia_socket *s);
 150
 151void pcmcia_cleanup_irq(struct pcmcia_socket *s);
 152int pcmcia_setup_irq(struct pcmcia_device *p_dev);
 153
 154/* cistpl.c */
 155extern struct bin_attribute pccard_cis_attr;
 156
 157int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
 158                        u_int addr, u_int len, void *ptr);
 159int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
 160                        u_int addr, u_int len, void *ptr);
 161void release_cis_mem(struct pcmcia_socket *s);
 162void destroy_cis_cache(struct pcmcia_socket *s);
 163int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
 164                      cisdata_t code, void *parse);
 165int pcmcia_replace_cis(struct pcmcia_socket *s,
 166                       const u8 *data, const size_t len);
 167int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
 168int verify_cis_cache(struct pcmcia_socket *s);
 169
 170int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
 171                      cisdata_t code, cisparse_t *parse, void *priv_data,
 172                      int (*loop_tuple) (tuple_t *tuple,
 173                                         cisparse_t *parse,
 174                                         void *priv_data));
 175
 176int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
 177                        tuple_t *tuple);
 178
 179int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
 180                        tuple_t *tuple);
 181
 182int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
 183
 184#endif /* _LINUX_CS_INTERNAL_H */
 185
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