mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-08-09 22:20:19 -04:00
54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
/* $NetBSD: imxgpiovar.h,v 1.1 2010/11/30 13:05:27 bsh Exp $ */
|
|
/*-
|
|
* Copyright (c) 2007 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Matt Thomas
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#ifndef _ARM_IMX_IMXGRPIOVAR_H
|
|
#define _ARM_IMX_IMXGRPIOVAR_H
|
|
|
|
#include <sys/bus.h>
|
|
#include <sys/device.h>
|
|
#include <arm/imx/imxgpioreg.h> /* for GPIO_NPINS */
|
|
|
|
void imxgpio_attach_common(device_t, bus_space_tag_t, bus_space_handle_t,
|
|
int, int, int);
|
|
/* defined imx[35]1_gpio.c */
|
|
extern const int imxgpio_ngroups;
|
|
int imxgpio_match(device_t, cfdata_t, void *);
|
|
void imxgpio_attach(device_t, device_t, void *);
|
|
|
|
|
|
#define GPIO_NO(group, pin) (((group) - 1) * GPIO_NPINS + (pin))
|
|
#define GPIO_MODULE(pin) ((pin) / GPIO_NPINS)
|
|
|
|
/* in-kernel GPIO access utility functions */
|
|
enum GPIO_DIRECTION {GPIO_DIR_IN, GPIO_DIR_OUT};
|
|
void gpio_set_direction(u_int, enum GPIO_DIRECTION);
|
|
void gpio_data_write(u_int, u_int);
|
|
bool gpio_data_read(u_int);
|
|
#endif /* _ARM_IMX_IMXGRPIOVAR_H */
|