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