include/pcmcia/ds.h

   1 /*
   2  * ds.h -- 16-bit PCMCIA core support
   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 - 2004      Dominik Brodowski
  14  */
  15
  16 #ifndef _LINUX_DS_H
  17 #define _LINUX_DS_H
  18
  19 #include <pcmcia/bulkmem.h>
  20 #include <pcmcia/cs_types.h>
  21
  22 typedef struct tuple_parse_t {
  23     tuple_t             tuple;
  24     cisdata_t           data[255];
  25     cisparse_t          parse;
  26 } tuple_parse_t;
  27
  28 typedef struct win_info_t {
  29     window_handle_t     handle;
  30     win_req_t           window;
  31     memreq_t            map;
  32 } win_info_t;
  33
  34 typedef struct bind_info_t {
  35     dev_info_t          dev_info;
  36     u_char              function;
  37     struct dev_link_t   *instance;
  38     char                name[DEV_NAME_LEN];
  39     u_short             major, minor;
  40     void                *next;
  41 } bind_info_t;
  42
  43 typedef struct mtd_info_t {
  44     dev_info_t          dev_info;
  45     u_int               Attributes;
  46     u_int               CardOffset;
  47 } mtd_info_t;
  48
  49 typedef union ds_ioctl_arg_t {
  50     servinfo_t          servinfo;
  51     adjust_t            adjust;
  52     config_info_t       config;
  53     tuple_t             tuple;
  54     tuple_parse_t       tuple_parse;
  55     client_req_t        client_req;
  56     cs_status_t         status;
  57     conf_reg_t          conf_reg;
  58     cisinfo_t           cisinfo;
  59     region_info_t       region;
  60     bind_info_t         bind_info;
  61     mtd_info_t          mtd_info;
  62     win_info_t          win_info;
  63     cisdump_t           cisdump;
  64 } ds_ioctl_arg_t;
  65
  66 #define DS_GET_CARD_SERVICES_INFO       _IOR ('d', 1, servinfo_t)
  67 #define DS_ADJUST_RESOURCE_INFO         _IOWR('d', 2, adjust_t)
  68 #define DS_GET_CONFIGURATION_INFO       _IOWR('d', 3, config_info_t)
  69 #define DS_GET_FIRST_TUPLE              _IOWR('d', 4, tuple_t)
  70 #define DS_GET_NEXT_TUPLE               _IOWR('d', 5, tuple_t)
  71 #define DS_GET_TUPLE_DATA               _IOWR('d', 6, tuple_parse_t)
  72 #define DS_PARSE_TUPLE                  _IOWR('d', 7, tuple_parse_t)
  73 #define DS_RESET_CARD                   _IO  ('d', 8)
  74 #define DS_GET_STATUS                   _IOWR('d', 9, cs_status_t)
  75 #define DS_ACCESS_CONFIGURATION_REGISTER _IOWR('d', 10, conf_reg_t)
  76 #define DS_VALIDATE_CIS                 _IOR ('d', 11, cisinfo_t)
  77 #define DS_SUSPEND_CARD                 _IO  ('d', 12)
  78 #define DS_RESUME_CARD                  _IO  ('d', 13)
  79 #define DS_EJECT_CARD                   _IO  ('d', 14)
  80 #define DS_INSERT_CARD                  _IO  ('d', 15)
  81 #define DS_GET_FIRST_REGION             _IOWR('d', 16, region_info_t)
  82 #define DS_GET_NEXT_REGION              _IOWR('d', 17, region_info_t)
  83 #define DS_REPLACE_CIS                  _IOWR('d', 18, cisdump_t)
  84 #define DS_GET_FIRST_WINDOW             _IOR ('d', 19, win_info_t)
  85 #define DS_GET_NEXT_WINDOW              _IOWR('d', 20, win_info_t)
  86 #define DS_GET_MEM_PAGE                 _IOWR('d', 21, win_info_t)
  87
  88 #define DS_BIND_REQUEST                 _IOWR('d', 60, bind_info_t)
  89 #define DS_GET_DEVICE_INFO              _IOWR('d', 61, bind_info_t)
  90 #define DS_GET_NEXT_DEVICE              _IOWR('d', 62, bind_info_t)
  91 #define DS_UNBIND_REQUEST               _IOW ('d', 63, bind_info_t)
  92 #define DS_BIND_MTD                     _IOWR('d', 64, mtd_info_t)
  93
  94 #ifdef __KERNEL__
  95 #include <linux/device.h>
  96
  97 typedef struct dev_node_t {
  98     char                dev_name[DEV_NAME_LEN];
  99     u_short             major, minor;
 100     struct dev_node_t   *next;
 101 } dev_node_t;
 102
 103 typedef struct dev_link_t {
 104     dev_node_t          *dev;
 105     u_int               state, open;
 106     wait_queue_head_t   pending;
 107     client_handle_t     handle;
 108     io_req_t            io;
 109     irq_req_t           irq;
 110     config_req_t        conf;
 111     window_handle_t     win;
 112     void                *priv;
 113     struct dev_link_t   *next;
 114 } dev_link_t;
 115
 116 /* Flags for device state */
 117 #define DEV_PRESENT             0x01
 118 #define DEV_CONFIG              0x02
 119 #define DEV_STALE_CONFIG        0x04    /* release on close */
 120 #define DEV_STALE_LINK          0x08    /* detach on release */
 121 #define DEV_CONFIG_PENDING      0x10
 122 #define DEV_RELEASE_PENDING     0x20
 123 #define DEV_SUSPEND             0x40
 124 #define DEV_BUSY                0x80
 125
 126 #define DEV_OK(l) \
 127     ((l) && ((l->state & ~DEV_BUSY) == (DEV_CONFIG|DEV_PRESENT)))
 128
 129
 130 struct pcmcia_socket;
 131
 132 extern struct bus_type pcmcia_bus_type;
 133
 134 struct pcmcia_driver {
 135         dev_link_t              *(*attach)(void);
 136         void                    (*detach)(dev_link_t *);
 137         struct module           *owner;
 138         struct device_driver    drv;
 139 };
 140
 141 /* driver registration */
 142 int pcmcia_register_driver(struct pcmcia_driver *driver);
 143 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
 144
 145 struct pcmcia_device {
 146         /* the socket and the device_no [for multifunction devices]
 147            uniquely define a pcmcia_device */
 148         struct pcmcia_socket    *socket;
 149
 150         u8                      device_no;
 151
 152         /* the hardware "function" device; certain subdevices can
 153          * share one hardware "function" device. */
 154         u8                      func;
 155
 156         struct list_head        socket_device_list;
 157
 158         /* deprecated, a cleaned up version will be moved into this
 159            struct soon */
 160         dev_link_t              *instance;
 161         struct client_t {
 162                 u_short                 client_magic;
 163                 struct pcmcia_socket    *Socket;
 164                 u_char                  Function;
 165                 u_int                   state;
 166                 event_t                 EventMask;
 167                 int (*event_handler)    (event_t event, int priority,
 168                                          event_callback_args_t *);
 169                 event_callback_args_t   event_callback_args;
 170         }                       client;
 171
 172         /* information about this device */
 173         u8                      has_manf_id:1;
 174         u8                      has_card_id:1;
 175         u8                      has_func_id:1;
 176         u8                      reserved:5;
 177
 178         u8                      func_id;
 179         u16                     manf_id;
 180         u16                     card_id;
 181
 182         char *                  prod_id[4];
 183
 184         /* device driver wanted by cardmgr */
 185         struct pcmcia_driver *  cardmgr;
 186
 187         struct device           dev;
 188 };
 189
 190 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
 191 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
 192
 193 #define handle_to_pdev(handle) container_of(handle, struct pcmcia_device, client);
 194 #define handle_to_dev(handle) ((container_of(handle, struct pcmcia_device, client))->dev)
 195
 196 /* error reporting */
 197 void cs_error(client_handle_t handle, int func, int ret);
 198
 199 #endif /* __KERNEL__ */
 200 #endif /* _LINUX_DS_H */