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staging: comedi: adl_pci6208: document the register map of the device

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Add defines for the register map of the device. These will be
used to clarify the code.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-06-27 14:56:43 -07:00 • committed by Greg Kroah-Hartman
parent 745c22a016
commit 7b6afad100
1 changed files with 12 additions and 0 deletions
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12
drivers/staging/comedi/drivers/adl_pci6208.c
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@ -53,6 +53,18 @@ References:
*/
#include "../comedidev.h"
/*
* PCI-6208/6216-GL register map
*/
#define PCI6208_AO_CONTROL(x) (0x00 + (2 * (x)))
#define PCI6208_AO_STATUS 0x00
#define PCI6208_AO_STATUS_DATA_SEND (1 << 0)
#define PCI6208_DIO 0x40
#define PCI6208_DIO_DO_MASK (0x0f)
#define PCI6208_DIO_DO_SHIFT (0)
#define PCI6208_DIO_DI_MASK (0xf0)
#define PCI6208_DIO_DI_SHIFT (4)
/* Board descriptions */
struct pci6208_board {
const char *name;