1 /* $NetBSD: pxa2x0_gpio.h,v 1.5 2009/08/04 12:11:33 kiyohara 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 */ 47 extern void pxa2x0_gpio_bootstrap(vaddr_t); 48 49 /* 50 * GPIO pin function query/manipulation functions 51 */ 52 extern u_int pxa2x0_gpio_get_function(u_int); 53 extern u_int pxa2x0_gpio_set_function(u_int, u_int); 54 extern int pxa2x0_gpio_get_bit(u_int); 55 extern void pxa2x0_gpio_set_bit(u_int); 56 extern void pxa2x0_gpio_clear_bit(u_int); 57 extern void pxa2x0_gpio_set_dir(u_int, int); 58 extern void pxa2x0_gpio_clear_intr(u_int); 59 60 /* 61 * Establish/Disestablish interrupt handlers for GPIO pins 62 */ 63 extern void *pxa2x0_gpio_intr_establish(u_int, int, int, 64 int (*)(void *), void *); 65 extern void pxa2x0_gpio_intr_disestablish(void *); 66 extern void pxa2x0_gpio_intr_mask(void *); 67 extern void pxa2x0_gpio_intr_unmask(void *); 68 extern void pxa2x0_gpio_set_intr_level(u_int, int); 69 70 71 struct pxa2x0_gpioconf { 72 int pin; 73 u_int value; 74 }; 75 void pxa2x0_gpio_config(struct pxa2x0_gpioconf **); 76 77 extern struct pxa2x0_gpioconf pxa25x_com_ffuart_gpioconf[]; 78 extern struct pxa2x0_gpioconf pxa25x_com_stuart_gpioconf[]; 79 extern struct pxa2x0_gpioconf pxa25x_com_btuart_gpioconf[]; 80 extern struct pxa2x0_gpioconf pxa25x_com_hwuart_gpioconf[]; 81 extern struct pxa2x0_gpioconf pxa25x_i2c_gpioconf[]; 82 extern struct pxa2x0_gpioconf pxa25x_i2s_gpioconf[]; 83 extern struct pxa2x0_gpioconf pxa25x_pcic_gpioconf[]; 84 extern struct pxa2x0_gpioconf pxa25x_pxaacu_gpioconf[]; 85 extern struct pxa2x0_gpioconf pxa25x_pxamci_gpioconf[]; 86 87 extern struct pxa2x0_gpioconf pxa27x_com_ffuart_gpioconf[]; 88 extern struct pxa2x0_gpioconf pxa27x_com_stuart_gpioconf[]; 89 extern struct pxa2x0_gpioconf pxa27x_com_btuart_gpioconf[]; 90 extern struct pxa2x0_gpioconf pxa27x_i2c_gpioconf[]; 91 extern struct pxa2x0_gpioconf pxa27x_i2s_gpioconf[]; 92 extern struct pxa2x0_gpioconf pxa27x_ohci_gpioconf[]; 93 extern struct pxa2x0_gpioconf pxa27x_pcic_gpioconf[]; 94 extern struct pxa2x0_gpioconf pxa27x_pxaacu_gpioconf[]; 95 extern struct pxa2x0_gpioconf pxa27x_pxamci_gpioconf[]; 96 97 #endif /* _PXA2X0_GPIO_H */ 98