diff options
| author | macallan <macallan@NetBSD.org> | 2015-12-26 16:54:41 +0000 |
|---|---|---|
| committer | macallan <macallan@NetBSD.org> | 2015-12-26 16:54:41 +0000 |
| commit | b97a4e68872d0374757739cc960df11223f73ef1 (patch) | |
| tree | e6980f7cb5cf20674bf42499ddc37a3735cf3ed2 /sys | |
| parent | 1cbad42c4f049e957170dd81007cd8b37d13ade4 (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.c | 13 | ||||
| -rw-r--r-- | sys/arch/arm/allwinner/awin_var.h | 4 |
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_ */ |
