diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/cb_pcidio.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidio.c | 131 |
1 files changed, 24 insertions, 107 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c index 8f3215239a15..713132c8dbb5 100644 --- a/drivers/staging/comedi/drivers/cb_pcidio.c +++ b/drivers/staging/comedi/drivers/cb_pcidio.c @@ -86,19 +86,6 @@ static const struct pcidio_board pcidio_boards[] = { }, }; -/* This is used by modprobe to translate PCI IDs to drivers. Should - * only be used for PCI and ISA-PnP devices */ -/* Please add your PCI vendor ID to comedidev.h, and it will be forwarded - * upstream. */ -static DEFINE_PCI_DEVICE_TABLE(pcidio_pci_table) = { - { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0028) }, - { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0014) }, - { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x000b) }, - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, pcidio_pci_table); - /* * Useful for shorthand access to the particular board structure */ @@ -125,59 +112,6 @@ struct pcidio_private { */ #define devpriv ((struct pcidio_private *)dev->private) -/* - * The struct comedi_driver structure tells the Comedi core module - * which functions to call to configure/deconfigure (attach/detach) - * the board, and also about the kernel module that contains - * the device code. - */ -static int pcidio_attach(struct comedi_device *dev, - struct comedi_devconfig *it); -static int pcidio_detach(struct comedi_device *dev); -static struct comedi_driver driver_cb_pcidio = { - .driver_name = "cb_pcidio", - .module = THIS_MODULE, - .attach = pcidio_attach, - .detach = pcidio_detach, - -/* It is not necessary to implement the following members if you are - * writing a driver for a ISA PnP or PCI card */ - - /* Most drivers will support multiple types of boards by - * having an array of board structures. These were defined - * in pcidio_boards[] above. Note that the element 'name' - * was first in the structure -- Comedi uses this fact to - * extract the name of the board without knowing any details - * about the structure except for its length. - * When a device is attached (by comedi_config), the name - * of the device is given to Comedi, and Comedi tries to - * match it by going through the list of board names. If - * there is a match, the address of the pointer is put - * into dev->board_ptr and driver->attach() is called. - * - * Note that these are not necessary if you can determine - * the type of board in software. ISA PnP, PCI, and PCMCIA - * devices are such boards. - */ - -/* The following fields should NOT be initialized if you are dealing - * with PCI devices - * - * .board_name = pcidio_boards, - * .offset = sizeof(struct pcidio_board), - * .num_names = sizeof(pcidio_boards) / sizeof(structpcidio_board), - */ - -}; - -/*------------------------------- FUNCTIONS -----------------------------------*/ - -/* - * Attach is called by the Comedi core to configure the driver - * for a particular board. If you specified a board_name array - * in the driver structure, dev->board_ptr contains that - * address. - */ static int pcidio_attach(struct comedi_device *dev, struct comedi_devconfig *it) { struct pci_dev *pcidev = NULL; @@ -261,15 +195,7 @@ found: return 1; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ -static int pcidio_detach(struct comedi_device *dev) +static void pcidio_detach(struct comedi_device *dev) { if (devpriv) { if (devpriv->pci_dev) { @@ -283,50 +209,41 @@ static int pcidio_detach(struct comedi_device *dev) for (i = 0; i < thisboard->n_8255; i++) subdev_8255_cleanup(dev, dev->subdevices + i); } - return 0; } -/* - * A convenient macro that defines init_module() and cleanup_module(), - * as necessary. - */ -static int __devinit driver_cb_pcidio_pci_probe(struct pci_dev *dev, +static struct comedi_driver cb_pcidio_driver = { + .driver_name = "cb_pcidio", + .module = THIS_MODULE, + .attach = pcidio_attach, + .detach = pcidio_detach, +}; + +static int __devinit cb_pcidio_pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) { - return comedi_pci_auto_config(dev, driver_cb_pcidio.driver_name); + return comedi_pci_auto_config(dev, &cb_pcidio_driver); } -static void __devexit driver_cb_pcidio_pci_remove(struct pci_dev *dev) +static void __devexit cb_pcidio_pci_remove(struct pci_dev *dev) { comedi_pci_auto_unconfig(dev); } -static struct pci_driver driver_cb_pcidio_pci_driver = { - .id_table = pcidio_pci_table, - .probe = &driver_cb_pcidio_pci_probe, - .remove = __devexit_p(&driver_cb_pcidio_pci_remove) +static DEFINE_PCI_DEVICE_TABLE(cb_pcidio_pci_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0028) }, + { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0014) }, + { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x000b) }, + { 0 } }; +MODULE_DEVICE_TABLE(pci, cb_pcidio_pci_table); -static int __init driver_cb_pcidio_init_module(void) -{ - int retval; - - retval = comedi_driver_register(&driver_cb_pcidio); - if (retval < 0) - return retval; - - driver_cb_pcidio_pci_driver.name = (char *)driver_cb_pcidio.driver_name; - return pci_register_driver(&driver_cb_pcidio_pci_driver); -} - -static void __exit driver_cb_pcidio_cleanup_module(void) -{ - pci_unregister_driver(&driver_cb_pcidio_pci_driver); - comedi_driver_unregister(&driver_cb_pcidio); -} - -module_init(driver_cb_pcidio_init_module); -module_exit(driver_cb_pcidio_cleanup_module); +static struct pci_driver cb_pcidio_pci_driver = { + .name = "cb_pcidio", + .id_table = cb_pcidio_pci_table, + .probe = cb_pcidio_pci_probe, + .remove = __devexit_p(cb_pcidio_pci_remove), +}; +module_comedi_pci_driver(cb_pcidio_driver, cb_pcidio_pci_driver); MODULE_AUTHOR("Comedi http://www.comedi.org"); MODULE_DESCRIPTION("Comedi low-level driver"); |