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      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