sys/arch/arm/xscale/pxa2x0_gpio.h

   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  */
  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 */