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pxa2x0_i2c.h revision 1.3 
      1  1.3  nonaka /*	$NetBSD: pxa2x0_i2c.h,v 1.3 2011/06/19 16:16:42 nonaka Exp $	*/
      2  1.1   peter /*	$OpenBSD: pxa2x0_i2c.h,v 1.2 2005/05/26 03:52:07 pascoe Exp $	*/
      3  1.1   peter 
      4  1.1   peter /*
      5  1.1   peter  * Copyright (c) 2005 Christopher Pascoe <pascoe (at) openbsd.org>
      6  1.1   peter  *
      7  1.1   peter  * Permission to use, copy, modify, and distribute this software for any
      8  1.1   peter  * purpose with or without fee is hereby granted, provided that the above
      9  1.1   peter  * copyright notice and this permission notice appear in all copies.
     10  1.1   peter  *
     11  1.1   peter  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     12  1.1   peter  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     13  1.1   peter  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     14  1.1   peter  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     15  1.1   peter  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     16  1.1   peter  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     17  1.1   peter  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     18  1.1   peter  */
     19  1.1   peter 
     20  1.1   peter #ifndef _PXA2X0_I2C_H_
     21  1.1   peter #define _PXA2X0_I2C_H_
     22  1.1   peter 
     23  1.3  nonaka #include <sys/bus.h>
     24  1.1   peter 
     25  1.1   peter struct pxa2x0_i2c_softc {
     26  1.3  nonaka 	device_t sc_dev;
     27  1.1   peter 	bus_space_tag_t sc_iot;
     28  1.1   peter 	bus_space_handle_t sc_ioh;
     29  1.3  nonaka 
     30  1.1   peter 	bus_size_t sc_size;
     31  1.3  nonaka 
     32  1.3  nonaka 	uint32_t sc_icr;
     33  1.3  nonaka 
     34  1.3  nonaka 	uint32_t sc_flags;
     35  1.3  nonaka #define	PI2CF_FAST_MODE		(1U << 0)
     36  1.1   peter };
     37  1.1   peter 
     38  1.1   peter int	pxa2x0_i2c_attach_sub(struct pxa2x0_i2c_softc *);
     39  1.1   peter int	pxa2x0_i2c_detach_sub(struct pxa2x0_i2c_softc *);
     40  1.1   peter void	pxa2x0_i2c_init(struct pxa2x0_i2c_softc *);
     41  1.1   peter void	pxa2x0_i2c_open(struct pxa2x0_i2c_softc *);
     42  1.1   peter void	pxa2x0_i2c_close(struct pxa2x0_i2c_softc *);
     43  1.1   peter int	pxa2x0_i2c_read(struct pxa2x0_i2c_softc *sc, u_char, u_char *);
     44  1.1   peter int	pxa2x0_i2c_write(struct pxa2x0_i2c_softc *, u_char, u_char);
     45  1.1   peter int	pxa2x0_i2c_write_2(struct pxa2x0_i2c_softc *, u_char, u_short);
     46  1.3  nonaka int	pxa2x0_i2c_quick(struct pxa2x0_i2c_softc *sc, u_char, u_char);
     47  1.3  nonaka 
     48  1.3  nonaka int	pxa2x0_i2c_send_start(struct pxa2x0_i2c_softc *, int flags);
     49  1.3  nonaka int	pxa2x0_i2c_send_stop(struct pxa2x0_i2c_softc *, int flags);
     50  1.3  nonaka int	pxa2x0_i2c_initiate_xfer(struct pxa2x0_i2c_softc *, uint16_t, int);
     51  1.3  nonaka int	pxa2x0_i2c_read_byte(struct pxa2x0_i2c_softc *, uint8_t *, int);
     52  1.3  nonaka int	pxa2x0_i2c_write_byte(struct pxa2x0_i2c_softc *, uint8_t, int);
     53  1.3  nonaka 
     54  1.3  nonaka void	pxa2x0_i2c_reset(struct pxa2x0_i2c_softc *);
     55  1.3  nonaka int	pxa2x0_i2c_wait(struct pxa2x0_i2c_softc *, int, int);
     56  1.1   peter 
     57  1.3  nonaka #endif	/* _PXA2X0_I2C_H_ */
     58