diff options
Diffstat (limited to 'drivers/staging/comedi/comedidev.h')
-rw-r--r-- | drivers/staging/comedi/comedidev.h | 72 |
1 files changed, 67 insertions, 5 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index 7a0d4bcbc355..134be93eaa6d 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -180,13 +180,18 @@ struct comedi_async { unsigned int x); }; +struct pci_dev; +struct usb_interface; + struct comedi_driver { struct comedi_driver *next; const char *driver_name; struct module *module; int (*attach) (struct comedi_device *, struct comedi_devconfig *); - int (*detach) (struct comedi_device *); + void (*detach) (struct comedi_device *); + int (*attach_pci) (struct comedi_device *, struct pci_dev *); + int (*attach_usb) (struct comedi_device *, struct usb_interface *); /* number of elements in board_name and board_id arrays */ unsigned int num_names; @@ -230,10 +235,16 @@ struct comedi_device { void (*close) (struct comedi_device *dev); }; +static inline const void *comedi_board(struct comedi_device *dev) +{ + return dev->board_ptr; +} + struct comedi_device_file_info { struct comedi_device *device; struct comedi_subdevice *read_subdevice; struct comedi_subdevice *write_subdevice; + struct device *hardware_device; }; #ifdef CONFIG_COMEDI_DEBUG @@ -287,6 +298,56 @@ int comedi_device_attach(struct comedi_device *dev, int comedi_driver_register(struct comedi_driver *); int comedi_driver_unregister(struct comedi_driver *); +/** + * module_comedi_driver() - Helper macro for registering a comedi driver + * @__comedi_driver: comedi_driver struct + * + * Helper macro for comedi drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate. Each module may only use + * this macro once, and calling it replaces module_init() and module_exit(). + */ +#define module_comedi_driver(__comedi_driver) \ + module_driver(__comedi_driver, comedi_driver_register, \ + comedi_driver_unregister) + +struct pci_driver; + +int comedi_pci_driver_register(struct comedi_driver *, struct pci_driver *); +void comedi_pci_driver_unregister(struct comedi_driver *, struct pci_driver *); + +/** + * module_comedi_pci_driver() - Helper macro for registering a comedi PCI driver + * @__comedi_driver: comedi_driver struct + * @__pci_driver: pci_driver struct + * + * Helper macro for comedi PCI drivers which do not do anything special + * in module init/exit. This eliminates a lot of boilerplate. Each + * module may only use this macro once, and calling it replaces + * module_init() and module_exit() + */ +#define module_comedi_pci_driver(__comedi_driver, __pci_driver) \ + module_driver(__comedi_driver, comedi_pci_driver_register, \ + comedi_pci_driver_unregister, &(__pci_driver)) + +struct usb_driver; + +int comedi_usb_driver_register(struct comedi_driver *, struct usb_driver *); +void comedi_usb_driver_unregister(struct comedi_driver *, struct usb_driver *); + +/** + * module_comedi_usb_driver() - Helper macro for registering a comedi USB driver + * @__comedi_driver: comedi_driver struct + * @__usb_driver: usb_driver struct + * + * Helper macro for comedi USB drivers which do not do anything special + * in module init/exit. This eliminates a lot of boilerplate. Each + * module may only use this macro once, and calling it replaces + * module_init() and module_exit() + */ +#define module_comedi_usb_driver(__comedi_driver, __usb_driver) \ + module_driver(__comedi_driver, comedi_usb_driver_register, \ + comedi_usb_driver_unregister, &(__usb_driver)) + void init_polling(void); void cleanup_polling(void); void start_polling(struct comedi_device *); @@ -456,11 +517,12 @@ static inline void *comedi_aux_data(int options[], int n) int comedi_alloc_subdevice_minor(struct comedi_device *dev, struct comedi_subdevice *s); void comedi_free_subdevice_minor(struct comedi_subdevice *s); -int comedi_pci_auto_config(struct pci_dev *pcidev, const char *board_name); +int comedi_pci_auto_config(struct pci_dev *pcidev, + struct comedi_driver *driver); void comedi_pci_auto_unconfig(struct pci_dev *pcidev); -struct usb_device; /* forward declaration */ -int comedi_usb_auto_config(struct usb_device *usbdev, const char *board_name); -void comedi_usb_auto_unconfig(struct usb_device *usbdev); +int comedi_usb_auto_config(struct usb_interface *intf, + struct comedi_driver *driver); +void comedi_usb_auto_unconfig(struct usb_interface *intf); #ifdef CONFIG_COMEDI_PCI_DRIVERS #define CONFIG_COMEDI_PCI |