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/* $OpenBSD: pxa2x0_gpio.h,v 1.5 2005/04/08 21:50:37 uwe Exp $ */
/* $wasabi$ */
/*
* Copyright 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Steve C. Woodford for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 _PXA2X0_GPIO_H
#define _PXA2X0_GPIO_H
/*
* If you want to fiddle with GPIO registers before the
* driver has been autoconfigured (e.g. from initarm()),
* call this function with the virtual address of the
* GPIO controller's registers
*/
void pxa2x0_gpio_bootstrap(vaddr_t);
/*
* GPIO pin function query/manipulation functions
*/
u_int pxa2x0_gpio_get_function(u_int);
u_int pxa2x0_gpio_set_function(u_int, u_int);
int pxa2x0_gpio_get_bit(u_int gpio);
void pxa2x0_gpio_set_bit(u_int gpio);
void pxa2x0_gpio_clear_bit(u_int gpio);
void pxa2x0_gpio_set_dir(u_int gpio, int dir);
void pxa2x0_gpio_clear_intr(u_int gpio);
/*
* Establish/Disestablish interrupt handlers for GPIO pins
*/
void *pxa2x0_gpio_intr_establish(u_int, int, int, int (*)(void *), void *,
char *);
void pxa2x0_gpio_intr_disestablish(void *);
const char *pxa2x0_gpio_intr_string(void *);
void pxa2x0_gpio_intr_mask(void *);
void pxa2x0_gpio_intr_unmask(void *);
#endif /* _PXA2X0_GPIO_H */
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