[src/trunk]: src/sys/arch/arm/allwinner add access function to get the i2c_co...

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1b60d85e59aa
branches:  trunk
changeset: 342522:1b60d85e59aa
user:      macallan <macallan%NetBSD.org@localhost>
date:      Sat Dec 26 16:54:41 2015 +0000

description:
add access function to get the i2c_controller, awiniic2 is the VGA output's
DDC2 port on cubietruck

diffstat:

 sys/arch/arm/allwinner/awin_twi.c |  13 ++++++++++++-
 sys/arch/arm/allwinner/awin_var.h |   4 +++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diffs (43 lines):

diff -r 03233be22df0 -r 1b60d85e59aa sys/arch/arm/allwinner/awin_twi.c
--- a/sys/arch/arm/allwinner/awin_twi.c Sat Dec 26 16:48:54 2015 +0000
+++ b/sys/arch/arm/allwinner/awin_twi.c Sat Dec 26 16:54:41 2015 +0000
@@ -31,7 +31,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: awin_twi.c,v 1.6 2014/12/05 15:25:27 jmcneill Exp $");
+__KERNEL_RCSID(1, "$NetBSD: awin_twi.c,v 1.7 2015/12/26 16:54:41 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -208,3 +208,14 @@
         */
        gttwsi_config_children(self);
 }
+
+struct i2c_controller *
+awin_twi_get_controller(device_t dev)
+{
+       if (!device_is_a(dev, "awiniic"))
+               return NULL;
+
+       struct awin_twi_softc * const sc = device_private(dev);
+
+       return &sc->asc_sc.sc_i2c;
+}
diff -r 03233be22df0 -r 1b60d85e59aa sys/arch/arm/allwinner/awin_var.h
--- a/sys/arch/arm/allwinner/awin_var.h Sat Dec 26 16:48:54 2015 +0000
+++ b/sys/arch/arm/allwinner/awin_var.h Sat Dec 26 16:54:41 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: awin_var.h,v 1.39 2015/11/19 18:48:22 bouyer Exp $ */
+/* $NetBSD: awin_var.h,v 1.40 2015/12/26 16:54:41 macallan Exp $ */
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -189,4 +189,6 @@
        }
 }
 
+struct i2c_controller *awin_twi_get_controller(device_t);
+
 #endif /* _ARM_ALLWINNER_AWIN_VAR_H_ */