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authormacallan <macallan@NetBSD.org>2015-12-26 16:54:41 +0000
committermacallan <macallan@NetBSD.org>2015-12-26 16:54:41 +0000
commitb97a4e68872d0374757739cc960df11223f73ef1 (patch)
treee6980f7cb5cf20674bf42499ddc37a3735cf3ed2 /sys
parent1cbad42c4f049e957170dd81007cd8b37d13ade4 (diff)
add access function to get the i2c_controller, awiniic2 is the VGA output's
DDC2 port on cubietruck
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/arm/allwinner/awin_twi.c13
-rw-r--r--sys/arch/arm/allwinner/awin_var.h4
2 files changed, 15 insertions, 2 deletions
diff --git a/sys/arch/arm/allwinner/awin_twi.c b/sys/arch/arm/allwinner/awin_twi.c
index 86ca5b9e614..59ea92cd011 100644
--- a/sys/arch/arm/allwinner/awin_twi.c
+++ b/sys/arch/arm/allwinner/awin_twi.c
@@ -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 @@ awin_twi_attach(device_t parent, device_t self, void *aux)
*/
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 --git a/sys/arch/arm/allwinner/awin_var.h b/sys/arch/arm/allwinner/awin_var.h
index e4691bd4f8a..91aea3eb102 100644
--- a/sys/arch/arm/allwinner/awin_var.h
+++ b/sys/arch/arm/allwinner/awin_var.h
@@ -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 @@ awin_reg_set_clear(bus_space_tag_t bst, bus_space_handle_t bsh,
}
}
+struct i2c_controller *awin_twi_get_controller(device_t);
+
#endif /* _ARM_ALLWINNER_AWIN_VAR_H_ */