1 /* $NetBSD: pxa2x0_i2c.h,v 1.2 2009/04/20 12:55:02 pgoyette 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 43