at91_piovar.h revision 273651 
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: stable/10/sys/arm/at91/at91_piovar.h 273651 2014-10-26 01:26:53Z 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);
42uint32_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);
48void at91_pio_gpio_pullup(uint32_t pio, uint32_t data_mask, int do_pullup);
49
50#endif /* ARM_AT91_AT91_PIOVAR_H */
51