sys/arch/arm/xscale/pxa2x0_i2c.h

   1 /*      $NetBSD: pxa2x0_i2c.h,v 1.1 2006/12/17 16:03:33 peter Exp $     */
   2 /*      $OpenBSD: pxa2x0_i2c.h,v 1.2 2005/05/26 03:52:07 pascoe Exp $   */
   3
   4 /*
   5  * Copyright (c) 2005 Christopher Pascoe <pascoe@openbsd.org>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #ifndef _PXA2X0_I2C_H_
  21 #define _PXA2X0_I2C_H_
  22
  23 #include <machine/bus.h>
  24
  25 struct pxa2x0_i2c_softc {
  26         struct device sc_dev;
  27         bus_space_tag_t sc_iot;
  28         bus_space_handle_t sc_ioh;
  29         bus_size_t sc_size;
  30 };
  31
  32 int     pxa2x0_i2c_attach_sub(struct pxa2x0_i2c_softc *);
  33 int     pxa2x0_i2c_detach_sub(struct pxa2x0_i2c_softc *);
  34 void    pxa2x0_i2c_init(struct pxa2x0_i2c_softc *);
  35 void    pxa2x0_i2c_open(struct pxa2x0_i2c_softc *);
  36 void    pxa2x0_i2c_close(struct pxa2x0_i2c_softc *);
  37 int     pxa2x0_i2c_read(struct pxa2x0_i2c_softc *sc, u_char, u_char *);
  38 int     pxa2x0_i2c_write(struct pxa2x0_i2c_softc *, u_char, u_char);
  39 int     pxa2x0_i2c_write_2(struct pxa2x0_i2c_softc *, u_char, u_short);
  40 int     pxa2x0_i2c_quick(struct pxa2x0_i2c_softc *sc, u_char slave, u_char rw);
  41
  42 #endif