at91_piovar.h revision 248911
1/*- 2 * Copyright (c) 2006 M. Warner Losh. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26/* $FreeBSD: head/sys/arm/at91/at91_piovar.h 248911 2013-03-29 19:52:57Z ian $ */ 27 28#ifndef ARM_AT91_AT91_PIOVAR_H 29#define ARM_AT91_AT91_PIOVAR_H 30 31void at91_pio_use_periph_a(uint32_t pio, uint32_t periph_a_mask, 32 int use_pullup); 33void at91_pio_use_periph_b(uint32_t pio, uint32_t periph_b_mask, 34 int use_pullup); 35void at91_pio_use_gpio(uint32_t pio, uint32_t gpio_mask); 36void at91_pio_gpio_input(uint32_t pio, uint32_t input_enable_mask); 37void at91_pio_gpio_output(uint32_t pio, uint32_t output_enable_mask, 38 int use_pullup); 39void at91_pio_gpio_high_z(uint32_t pio, uint32_t high_z_mask, int enable); 40void at91_pio_gpio_set(uint32_t pio, uint32_t data_mask); 41void at91_pio_gpio_clear(uint32_t pio, uint32_t data_mask); 42uint8_t at91_pio_gpio_get(uint32_t pio, uint32_t data_mask); 43void at91_pio_gpio_set_deglitch(uint32_t pio, uint32_t data_mask, 44 int use_deglitch); 45void at91_pio_gpio_set_interrupt(uint32_t pio, uint32_t data_mask, 46 int enable_interrupt); 47uint32_t at91_pio_gpio_clear_interrupt(uint32_t pio); 48 49#endif /* ARM_AT91_AT91_PIOVAR_H */ 50