drivers/pcmcia/cs_internal.h

   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 */
  33 typedef struct config_t {
  34         struct kref     ref;
  35         unsigned int    state;
  36         unsigned int    Attributes;
  37         unsigned int    IntType;
  38         unsigned int    ConfigBase;
  39         unsigned char   Status, Pin, Copy, Option, ExtStatus;
  40         unsigned int    CardValues;
  41
  42         struct resource io[MAX_IO_WIN]; /* io ports */
  43         struct resource mem[MAX_WIN];   /* mem areas */
  44
  45         struct {
  46                 u_int   Attributes;
  47         } irq;
  48 } config_t;
  49
  50
  51 struct cis_cache_entry {
  52         struct list_head        node;
  53         unsigned int            addr;
  54         unsigned int            len;
  55         unsigned int            attr;
  56         unsigned char           cache[0];
  57 };
  58
  59 struct pccard_resource_ops {
  60         int     (*validate_mem)         (struct pcmcia_socket *s);
  61         int     (*find_io)              (struct pcmcia_socket *s,
  62                                          unsigned int attr,
  63                                          unsigned int *base,
  64                                          unsigned int num,
  65                                          unsigned int align,
  66                                          struct resource **parent);
  67         struct resource* (*find_mem)    (unsigned long base, unsigned long num,
  68                                          unsigned long align, int low,
  69                                          struct pcmcia_socket *s);
  70         int     (*init)                 (struct pcmcia_socket *s);
  71         void    (*exit)                 (struct pcmcia_socket *s);
  72 };
  73
  74 /* Flags in config state */
  75 #define CONFIG_LOCKED           0x01
  76 #define CONFIG_IRQ_REQ          0x02
  77 #define CONFIG_IO_REQ           0x04
  78
  79 /* Flags in socket state */
  80 #define SOCKET_PRESENT          0x0008
  81 #define SOCKET_INUSE            0x0010
  82 #define SOCKET_SUSPEND          0x0080
  83 #define SOCKET_WIN_REQ(i)       (0x0100<<(i))
  84 #define SOCKET_CARDBUS          0x8000
  85 #define SOCKET_CARDBUS_CONFIG   0x10000
  86
  87
  88 /*
  89  * Stuff internal to module "pcmcia_rsrc":
  90  */
  91 extern int static_init(struct pcmcia_socket *s);
  92 extern struct resource *pcmcia_make_resource(unsigned long start,
  93                                         unsigned long end,
  94                                         int flags, const char *name);
  95
  96 /*
  97  * Stuff internal to module "pcmcia_core":
  98  */
  99
 100 /* socket_sysfs.c */
 101 extern int pccard_sysfs_add_socket(struct device *dev);
 102 extern void pccard_sysfs_remove_socket(struct device *dev);
 103
 104 /* cardbus.c */
 105 int cb_alloc(struct pcmcia_socket *s);
 106 void cb_free(struct pcmcia_socket *s);
 107
 108
 109
 110 /*
 111  * Stuff exported by module "pcmcia_core" to module "pcmcia"
 112  */
 113
 114 struct pcmcia_callback{
 115         struct module   *owner;
 116         int             (*add) (struct pcmcia_socket *s);
 117         int             (*remove) (struct pcmcia_socket *s);
 118         void            (*requery) (struct pcmcia_socket *s);
 119         int             (*validate) (struct pcmcia_socket *s, unsigned int *i);
 120         int             (*suspend) (struct pcmcia_socket *s);
 121         int             (*early_resume) (struct pcmcia_socket *s);
 122         int             (*resume) (struct pcmcia_socket *s);
 123 };
 124
 125 /* cs.c */
 126 extern struct rw_semaphore pcmcia_socket_list_rwsem;
 127 extern struct list_head pcmcia_socket_list;
 128 extern struct class pcmcia_socket_class;
 129
 130 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
 131 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);
 132
 133 void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);
 134 #define PCMCIA_UEVENT_EJECT     0x0001
 135 #define PCMCIA_UEVENT_INSERT    0x0002
 136 #define PCMCIA_UEVENT_SUSPEND   0x0004
 137 #define PCMCIA_UEVENT_RESUME    0x0008
 138 #define PCMCIA_UEVENT_REQUERY   0x0010
 139
 140 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
 141 void pcmcia_put_socket(struct pcmcia_socket *skt);
 142
 143 /*
 144  * Stuff internal to module "pcmcia".
 145  */
 146 /* ds.c */
 147 extern struct bus_type pcmcia_bus_type;
 148
 149 struct pcmcia_device;
 150
 151 /* pcmcia_resource.c */
 152 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
 153 extern int pcmcia_validate_mem(struct pcmcia_socket *s);
 154 extern struct resource *pcmcia_find_mem_region(u_long base,
 155                                                u_long num,
 156                                                u_long align,
 157                                                int low,
 158                                                struct pcmcia_socket *s);
 159
 160 void pcmcia_cleanup_irq(struct pcmcia_socket *s);
 161 int pcmcia_setup_irq(struct pcmcia_device *p_dev);
 162
 163 /* cistpl.c */
 164 extern struct bin_attribute pccard_cis_attr;
 165
 166 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
 167                         u_int addr, u_int len, void *ptr);
 168 int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
 169                         u_int addr, u_int len, void *ptr);
 170 void release_cis_mem(struct pcmcia_socket *s);
 171 void destroy_cis_cache(struct pcmcia_socket *s);
 172 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
 173                       cisdata_t code, void *parse);
 174 int pcmcia_replace_cis(struct pcmcia_socket *s,
 175                        const u8 *data, const size_t len);
 176 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
 177 int verify_cis_cache(struct pcmcia_socket *s);
 178
 179 int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
 180                       cisdata_t code, cisparse_t *parse, void *priv_data,
 181                       int (*loop_tuple) (tuple_t *tuple,
 182                                          cisparse_t *parse,
 183                                          void *priv_data));
 184
 185 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
 186                         tuple_t *tuple);
 187
 188 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
 189                         tuple_t *tuple);
 190
 191 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
 192
 193 #endif /* _LINUX_CS_INTERNAL_H */