| /* |
| comedi/drivers/comedi_pci.h |
| Various PCI functions for drivers. |
| |
| Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/> |
| |
| COMEDI - Linux Control and Measurement Device Interface |
| Copyright (C) 2000 David A. Schleef <ds@schleef.org> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| |
| */ |
| |
| #ifndef _COMEDI_PCI_H_ |
| #define _COMEDI_PCI_H_ |
| |
| #include <linux/pci.h> |
| |
| /* |
| * Enable the PCI device and request the regions. |
| */ |
| static inline int comedi_pci_enable(struct pci_dev *pdev, const char *res_name) |
| { |
| int rc; |
| |
| rc = pci_enable_device(pdev); |
| if (rc < 0) |
| return rc; |
| |
| rc = pci_request_regions(pdev, res_name); |
| if (rc < 0) |
| pci_disable_device(pdev); |
| |
| return rc; |
| } |
| |
| /* |
| * Release the regions and disable the PCI device. |
| * |
| * This must be matched with a previous successful call to comedi_pci_enable(). |
| */ |
| static inline void comedi_pci_disable(struct pci_dev *pdev) |
| { |
| pci_release_regions(pdev); |
| pci_disable_device(pdev); |
| } |
| |
| #endif |
