1/*	$NetBSD: pxa2x0_gpio.h,v 1.4 2008/06/24 20:19:05 chris Exp $	*/
2
3/*
4 * Copyright 2003 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Steve C. Woodford for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed for the NetBSD Project by
20 *      Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#ifndef _PXA2X0_GPIO_H
39#define _PXA2X0_GPIO_H
40
41/*
42 * If you want to fiddle with GPIO registers before the
43 * driver has been autoconfigured (e.g. from initarm()),
44 * call this function with the virtual address of the
45 * GPIO controller's registers
46 */
47extern void pxa2x0_gpio_bootstrap(vaddr_t);
48
49/*
50 * GPIO pin function query/manipulation functions
51 */
52extern u_int pxa2x0_gpio_get_function(u_int);
53extern u_int pxa2x0_gpio_set_function(u_int, u_int);
54extern int pxa2x0_gpio_get_bit(u_int);
55extern void pxa2x0_gpio_set_bit(u_int);
56extern void pxa2x0_gpio_clear_bit(u_int);
57extern void pxa2x0_gpio_set_dir(u_int, int);
58extern void pxa2x0_gpio_clear_intr(u_int);
59
60/*
61 * Establish/Disestablish interrupt handlers for GPIO pins
62 */
63extern void *pxa2x0_gpio_intr_establish(u_int, int, int,
64		int (*)(void *), void *);
65extern void pxa2x0_gpio_intr_disestablish(void *);
66extern void pxa2x0_gpio_intr_mask(void *);
67extern void pxa2x0_gpio_intr_unmask(void *);
68extern void pxa2x0_gpio_set_intr_level(u_int, int);
69
70
71struct pxa2x0_gpioconf {
72	int pin;
73	u_int value;
74};
75void pxa2x0_gpio_config(struct pxa2x0_gpioconf **);
76
77extern struct pxa2x0_gpioconf pxa25x_com_ffuart_gpioconf[];
78extern struct pxa2x0_gpioconf pxa25x_com_stuart_gpioconf[];
79extern struct pxa2x0_gpioconf pxa25x_com_btuart_gpioconf[];
80extern struct pxa2x0_gpioconf pxa25x_com_hwuart_gpioconf[];
81extern struct pxa2x0_gpioconf pxa25x_i2c_gpioconf[];
82extern struct pxa2x0_gpioconf pxa25x_i2s_gpioconf[];
83extern struct pxa2x0_gpioconf pxa25x_pcic_gpioconf[];
84extern struct pxa2x0_gpioconf pxa25x_pxaacu_gpioconf[];
85extern struct pxa2x0_gpioconf pxa25x_pxamci_gpioconf[];
86
87extern struct pxa2x0_gpioconf pxa27x_com_ffuart_gpioconf[];
88extern struct pxa2x0_gpioconf pxa27x_com_stuart_gpioconf[];
89extern struct pxa2x0_gpioconf pxa27x_com_btuart_gpioconf[];
90extern struct pxa2x0_gpioconf pxa27x_i2c_gpioconf[];
91extern struct pxa2x0_gpioconf pxa27x_i2s_gpioconf[];
92extern struct pxa2x0_gpioconf pxa27x_ohci_gpioconf[];
93extern struct pxa2x0_gpioconf pxa27x_pcic_gpioconf[];
94extern struct pxa2x0_gpioconf pxa27x_pxaacu_gpioconf[];
95extern struct pxa2x0_gpioconf pxa27x_pxamci_gpioconf[];
96
97#endif /* _PXA2X0_GPIO_H */
98