Annotation of sys/arch/arm/sa11x0/sa11x0_gpiovar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: sa11x0_gpio.h,v 1.5 2005/04/08 21:50:37 uwe Exp $ */
! 2: /* $wasabi$ */
! 3:
! 4: /*
! 5: * Copyright 2003 Wasabi Systems, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * Written by Steve C. Woodford for Wasabi Systems, Inc.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed for the NetBSD Project by
! 21: * Wasabi Systems, Inc.
! 22: * 4. The name of Wasabi Systems, Inc. may not be used to endorse
! 23: * or promote products derived from this software without specific prior
! 24: * written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
! 27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38:
! 39: #ifndef _SA11X0_GPIO_H
! 40: #define _SA11X0_GPIO_H
! 41:
! 42: /*
! 43: * If you want to fiddle with GPIO registers before the
! 44: * driver has been autoconfigured (e.g. from initarm()),
! 45: * call this function with the virtual address of the
! 46: * GPIO controller's registers
! 47: */
! 48: void sa11x0_gpio_bootstrap(vaddr_t);
! 49:
! 50: /* GPIO pin function query/manipulation functions */
! 51: #define SAGPIO_FUNC_GPIO 0x00
! 52: #define SAGPIO_FUNC_ALT 0x01
! 53: u_int sa11x0_gpio_get_function(u_int);
! 54: u_int sa11x0_gpio_set_function(u_int, u_int);
! 55:
! 56: /* level */
! 57: #define SAGPIO_LEVEL_LOW 0x00
! 58: #define SAGPIO_LEVEL_HIGH 0x01
! 59: int sa11x0_gpio_get_bit(u_int gpio);
! 60: void sa11x0_gpio_set_bit(u_int gpio);
! 61: void sa11x0_gpio_clear_bit(u_int gpio);
! 62:
! 63: /* direction */
! 64: #define SAGPIO_DIR_INPUT 0x00
! 65: #define SAGPIO_DIR_OUTPUT 0x01
! 66: void sa11x0_gpio_set_dir(u_int gpio, int dir);
! 67: u_int sa11x0_get_dir(u_int gpio);
! 68:
! 69: /* clear edge detect */
! 70: void sa11x0_gpio_clear_intr(u_int gpio);
! 71:
! 72: /*
! 73: * Establish/Disestablish interrupt handlers for GPIO pins
! 74: */
! 75: void *sa11x0_gpio_intr_establish(u_int, int, int, int (*)(void *), void *,
! 76: char *);
! 77: void sa11x0_gpio_intr_disestablish(void *);
! 78: const char *sa11x0_gpio_intr_string(void *);
! 79: void sa11x0_gpio_intr_mask(void *);
! 80: void sa11x0_gpio_intr_unmask(void *);
! 81:
! 82: #endif /* _SA11X0_GPIO_H */
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