diff options
Diffstat (limited to 'drivers/staging/comedi/comedidev.h')
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 103 |
1 files changed, 16 insertions, 87 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index 77be191988ca..e138eb0dc374 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -299,34 +299,25 @@ struct comedi_device { void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s); -/* we can expand the number of bits used to encode devices/subdevices into - the minor number soon, after more distros support > 8 bit minor numbers - (like after Debian Etch gets released) */ -enum comedi_minor_bits { - COMEDI_DEVICE_MINOR_MASK = 0xf, - COMEDI_SUBDEVICE_MINOR_MASK = 0xf0 -}; - -static const unsigned COMEDI_SUBDEVICE_MINOR_SHIFT = 4; -static const unsigned COMEDI_SUBDEVICE_MINOR_OFFSET = 1; - struct comedi_device *comedi_dev_get_from_minor(unsigned minor); int comedi_dev_put(struct comedi_device *dev); -void init_polling(void); -void cleanup_polling(void); -void start_polling(struct comedi_device *); -void stop_polling(struct comedi_device *); - -/* subdevice runflags */ -enum subdevice_runflags { - SRF_RT = 0x00000002, - /* indicates an COMEDI_CB_ERROR event has occurred since the last - * command was started */ - SRF_ERROR = 0x00000004, - SRF_RUNNING = 0x08000000, - SRF_FREE_SPRIV = 0x80000000, /* free s->private on detach */ -}; +/** + * comedi_subdevice "runflags" + * @COMEDI_SRF_RT: DEPRECATED: command is running real-time + * @COMEDI_SRF_ERROR: indicates an COMEDI_CB_ERROR event has occurred + * since the last command was started + * @COMEDI_SRF_RUNNING: command is running + * @COMEDI_SRF_FREE_SPRIV: free s->private on detach + * + * @COMEDI_SRF_BUSY_MASK: runflags that indicate the subdevice is "busy" + */ +#define COMEDI_SRF_RT BIT(1) +#define COMEDI_SRF_ERROR BIT(2) +#define COMEDI_SRF_RUNNING BIT(27) +#define COMEDI_SRF_FREE_SPRIV BIT(31) + +#define COMEDI_SRF_BUSY_MASK (COMEDI_SRF_ERROR | COMEDI_SRF_RUNNING) bool comedi_is_subdevice_running(struct comedi_subdevice *s); @@ -605,66 +596,4 @@ void comedi_pci_driver_unregister(struct comedi_driver *, struct pci_driver *); module_driver(__comedi_driver, comedi_pci_driver_register, \ comedi_pci_driver_unregister, &(__pci_driver)) -/* comedi_pcmcia.c - comedi PCMCIA driver specific functions */ - -struct pcmcia_driver; -struct pcmcia_device; - -struct pcmcia_device *comedi_to_pcmcia_dev(struct comedi_device *); - -int comedi_pcmcia_enable(struct comedi_device *, - int (*conf_check)(struct pcmcia_device *, void *)); -void comedi_pcmcia_disable(struct comedi_device *); - -int comedi_pcmcia_auto_config(struct pcmcia_device *, struct comedi_driver *); -void comedi_pcmcia_auto_unconfig(struct pcmcia_device *); - -int comedi_pcmcia_driver_register(struct comedi_driver *, - struct pcmcia_driver *); -void comedi_pcmcia_driver_unregister(struct comedi_driver *, - struct pcmcia_driver *); - -/** - * module_comedi_pcmcia_driver() - Helper macro for registering a comedi PCMCIA driver - * @__comedi_driver: comedi_driver struct - * @__pcmcia_driver: pcmcia_driver struct - * - * Helper macro for comedi PCMCIA 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_pcmcia_driver(__comedi_driver, __pcmcia_driver) \ - module_driver(__comedi_driver, comedi_pcmcia_driver_register, \ - comedi_pcmcia_driver_unregister, &(__pcmcia_driver)) - -/* comedi_usb.c - comedi USB driver specific functions */ - -struct usb_driver; -struct usb_interface; - -struct usb_interface *comedi_to_usb_interface(struct comedi_device *); -struct usb_device *comedi_to_usb_dev(struct comedi_device *); - -int comedi_usb_auto_config(struct usb_interface *, struct comedi_driver *, - unsigned long context); -void comedi_usb_auto_unconfig(struct usb_interface *); - -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)) - #endif /* _COMEDIDEV_H */ |