drivers/pcmcia/ds_internal.h

   1 /* ds_internal.h - internal header for 16-bit PCMCIA devices management */
   2
   3 struct user_info_t;
   4
   5 /* Socket state information */
   6 struct pcmcia_bus_socket {
   7         struct kref             refcount;
   8         int                     state;
   9         struct pcmcia_socket    *parent;
  10
  11         /* the PCMCIA devices connected to this socket (normally one, more
  12          * for multifunction devices: */
  13         struct list_head        devices_list;
  14         u8                      device_count; /* the number of devices, used
  15                                                * only internally and subject
  16                                                * to incorrectness and change */
  17
  18         u8                      device_add_pending;
  19         struct work_struct      device_add;
  20
  21
  22 #ifdef CONFIG_PCMCIA_IOCTL
  23         struct user_info_t      *user;
  24         wait_queue_head_t       queue;
  25 #endif
  26 };
  27 extern spinlock_t pcmcia_dev_list_lock;
  28
  29 extern struct bus_type pcmcia_bus_type;
  30
  31
  32 #define DS_SOCKET_PRESENT               0x01
  33 #define DS_SOCKET_BUSY                  0x02
  34 #define DS_SOCKET_DEAD                  0x80
  35
  36 extern struct pcmcia_device * pcmcia_get_dev(struct pcmcia_device *p_dev);
  37 extern void pcmcia_put_dev(struct pcmcia_device *p_dev);
  38
  39 struct pcmcia_bus_socket *pcmcia_get_bus_socket(struct pcmcia_bus_socket *s);
  40 void pcmcia_put_bus_socket(struct pcmcia_bus_socket *s);
  41
  42 struct pcmcia_device * pcmcia_device_add(struct pcmcia_bus_socket *s, unsigned int function);
  43
  44 #ifdef CONFIG_PCMCIA_IOCTL
  45 extern void __init pcmcia_setup_ioctl(void);
  46 extern void __exit pcmcia_cleanup_ioctl(void);
  47 extern void handle_event(struct pcmcia_bus_socket *s, event_t event);
  48 extern int handle_request(struct pcmcia_bus_socket *s, event_t event);
  49 #else
  50 static inline void __init pcmcia_setup_ioctl(void) { return; }
  51 static inline void __init pcmcia_cleanup_ioctl(void) { return; }
  52 static inline void handle_event(struct pcmcia_bus_socket *s, event_t event) { return; }
  53 static inline int handle_request(struct pcmcia_bus_socket *s, event_t event) { return CS_SUCCESS; }
  54 #endif