2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2006 M. Warner Losh. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #ifndef ARM_AT91_AT91_PIOVAR_H
31 #define ARM_AT91_AT91_PIOVAR_H
33 void at91_pio_use_periph_a(uint32_t pio, uint32_t periph_a_mask,
35 void at91_pio_use_periph_b(uint32_t pio, uint32_t periph_b_mask,
37 void at91_pio_use_gpio(uint32_t pio, uint32_t gpio_mask);
38 void at91_pio_gpio_input(uint32_t pio, uint32_t input_enable_mask);
39 void at91_pio_gpio_output(uint32_t pio, uint32_t output_enable_mask,
41 void at91_pio_gpio_high_z(uint32_t pio, uint32_t high_z_mask, int enable);
42 void at91_pio_gpio_set(uint32_t pio, uint32_t data_mask);
43 void at91_pio_gpio_clear(uint32_t pio, uint32_t data_mask);
44 uint32_t at91_pio_gpio_get(uint32_t pio, uint32_t data_mask);
45 void at91_pio_gpio_set_deglitch(uint32_t pio, uint32_t data_mask,
47 void at91_pio_gpio_set_interrupt(uint32_t pio, uint32_t data_mask,
48 int enable_interrupt);
49 uint32_t at91_pio_gpio_clear_interrupt(uint32_t pio);
50 void at91_pio_gpio_pullup(uint32_t pio, uint32_t data_mask, int do_pullup);
52 #endif /* ARM_AT91_AT91_PIOVAR_H */