blob: c14a036a0536c218e4b0e86f6e08bedd343a114c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
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
|