linux-kernel - [PATCH 04/19] staging: comedi: adl_pci6208: document the register map of the device

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Message-ID: <201206271456.44218.hartleys@visionengravers.com>
Date:	Wed, 27 Jun 2012 14:56:43 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH 04/19] staging: comedi: adl_pci6208: document the register map of the device

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

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/adl_pci6208.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c b/drivers/staging/comedi/drivers/adl_pci6208.c
index f949d20..b6a8439 100644
--- a/drivers/staging/comedi/drivers/adl_pci6208.c
+++ b/drivers/staging/comedi/drivers/adl_pci6208.c
@@ -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;
-- 
1.7.11

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